PySimpleGUI.py

#!/usr/bin/python3
import sys
if sys.version_info[0] >= 3:
    import tkinter as tk
    from tkinter import filedialog
    from tkinter.colorchooser import askcolor
    from tkinter import ttk
    import tkinter.scrolledtext as tkst
    import tkinter.font
else:
    import Tkinter as tk
    import tkFileDialog
    import ttk
    import tkColorChooser
    import tkFont
    import ScrolledText

import types
import datetime
import time
import textwrap
import pickle
import calendar
from random import randint



#  888888ba           .d88888b  oo                     dP           .88888.  dP     dP dP
#  88    `8b          88.    "'                        88          d8'   `88 88     88 88
# a88aaaa8P' dP    dP `Y88888b. dP 88d8b.d8b. 88d888b. 88 .d8888b. 88        88     88 88
#  88        88    88       `8b 88 88'`88'`88 88'  `88 88 88ooood8 88   YP88 88     88 88
#  88        88.  .88 d8'   .8P 88 88  88  88 88.  .88 88 88.  ... Y8.   .88 Y8.   .8P 88
#  dP        `8888P88  Y88888P  dP dP  dP  dP 88Y888P' dP `88888P'  `88888'  `Y88888P' dP
#                 .88                         88
#             d8888P                          dP


g_time_start = 0
g_time_end = 0
g_time_delta = 0



def TimerStart():
    global g_time_start

    g_time_start = time.time()


def TimerStop():
    global g_time_delta, g_time_end

    g_time_end = time.time()
    g_time_delta = g_time_end - g_time_start
    print(int(g_time_delta*1000))


"""
    Welcome to the "core" PySimpleGUI code....
    
    It's a mess.... really... it's a mess internally... it's the external-facing interfaces that
    are not a mess.  The Elements and the methods for them are well-designed.
    PEP8 - this code is far far from PEP8 compliant. 
    It was written PRIOR to learning that PEP8 existed. 
     
    The variable and function naming in particular are not compliant.  There is
    liberal use of CamelVariableAndFunctionNames.  If you've got a serious enough problem with this
    that you'll pass on this package, then that's your right and I invite you to do so.  However, if
    perhaps you're a practical thinker where it's the results that matter, then you'll have no
    trouble with this code base.  There is consisency however.  
    
    I truly hope you get a lot of enjoyment out of using PySimpleGUI.  It came from good intentions.
"""

# ----====----====----==== Constants the user CAN safely change ====----====----====----#

# Base64 encoded GIF file
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DEFAULT_BASE64_LOADING_GIF = 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if sys.version_info[0] >= 3:
    DEFAULT_WINDOW_ICON = DEFAULT_BASE64_ICON
else:
    DEFAULT_WINDOW_ICON = 'default_icon.ico'

DEFAULT_ELEMENT_SIZE = (45, 1)  # In CHARACTERS
DEFAULT_BUTTON_ELEMENT_SIZE = (10, 1)  # In CHARACTERS
DEFAULT_MARGINS = (10, 5)  # Margins for each LEFT/RIGHT margin is first term
DEFAULT_ELEMENT_PADDING = (5, 3)  # Padding between elements (row, col) in pixels
DEFAULT_AUTOSIZE_TEXT = True
DEFAULT_AUTOSIZE_BUTTONS = True
DEFAULT_FONT = ("Helvetica", 10)
DEFAULT_TEXT_JUSTIFICATION = 'left'
DEFAULT_BORDER_WIDTH = 1
DEFAULT_AUTOCLOSE_TIME = 3  # time in seconds to show an autoclose form
DEFAULT_DEBUG_WINDOW_SIZE = (80, 20)
DEFAULT_WINDOW_LOCATION = (None, None)
MAX_SCROLLED_TEXT_BOX_HEIGHT = 50
DEFAULT_TOOLTIP_TIME = 400
DEFAULT_TOOLTIP_OFFSET = (20,-20)
#################### COLOR STUFF ####################
BLUES = ("#082567", "#0A37A3", "#00345B")
PURPLES = ("#480656", "#4F2398", "#380474")
GREENS = ("#01826B", "#40A860", "#96D2AB", "#00A949", "#003532")
YELLOWS = ("#F3FB62", "#F0F595")
TANS = ("#FFF9D5", "#F4EFCF", "#DDD8BA")
NICE_BUTTON_COLORS = ((GREENS[3], TANS[0]),
                      ('#000000', '#FFFFFF'),
                      ('#FFFFFF', '#000000'),
                      (YELLOWS[0], PURPLES[1]),
                      (YELLOWS[0], GREENS[3]),
                      (YELLOWS[0], BLUES[2]))

COLOR_SYSTEM_DEFAULT = '1234567890'  # Colors should never be this long
if sys.platform == 'darwin':
    DEFAULT_BUTTON_COLOR = COLOR_SYSTEM_DEFAULT  # Foreground, Background (None, None) == System Default
    OFFICIAL_PYSIMPLEGUI_BUTTON_COLOR = COLOR_SYSTEM_DEFAULT  # Colors should never be this long
else:
    DEFAULT_BUTTON_COLOR = ('white', BLUES[0])  # Foreground, Background (None, None) == System Default
    OFFICIAL_PYSIMPLEGUI_BUTTON_COLOR = ('white', BLUES[0])  # Colors should never be this long

DEFAULT_ERROR_BUTTON_COLOR = ("#FFFFFF", "#FF0000")
DEFAULT_BACKGROUND_COLOR = None
DEFAULT_ELEMENT_BACKGROUND_COLOR = None
DEFAULT_ELEMENT_TEXT_COLOR = COLOR_SYSTEM_DEFAULT
DEFAULT_TEXT_ELEMENT_BACKGROUND_COLOR = None
DEFAULT_TEXT_COLOR = COLOR_SYSTEM_DEFAULT
DEFAULT_INPUT_ELEMENTS_COLOR = COLOR_SYSTEM_DEFAULT
DEFAULT_INPUT_TEXT_COLOR = COLOR_SYSTEM_DEFAULT
DEFAULT_SCROLLBAR_COLOR = None
# DEFAULT_BUTTON_COLOR = (YELLOWS[0], PURPLES[0])    # (Text, Background) or (Color "on", Color) as a way to remember
# DEFAULT_BUTTON_COLOR = (GREENS[3], TANS[0])    # Foreground, Background (None, None) == System Default
# DEFAULT_BUTTON_COLOR = (YELLOWS[0], GREENS[4])    # Foreground, Background (None, None) == System Default
# DEFAULT_BUTTON_COLOR = ('white', 'black')    # Foreground, Background (None, None) == System Default
# DEFAULT_BUTTON_COLOR = (YELLOWS[0], PURPLES[2])    # Foreground, Background (None, None) == System Default
# DEFAULT_PROGRESS_BAR_COLOR = (GREENS[2], GREENS[0])     # a nice green progress bar
# DEFAULT_PROGRESS_BAR_COLOR = (BLUES[1], BLUES[1])     # a nice green progress bar
# DEFAULT_PROGRESS_BAR_COLOR = (BLUES[0], BLUES[0])     # a nice green progress bar
# DEFAULT_PROGRESS_BAR_COLOR = (PURPLES[1],PURPLES[0])    # a nice purple progress bar

# A transparent button is simply one that matches the background
TRANSPARENT_BUTTON = ('#F0F0F0', '#F0F0F0')
# --------------------------------------------------------------------------------
# Progress Bar Relief Choices
RELIEF_RAISED = 'raised'
RELIEF_SUNKEN = 'sunken'
RELIEF_FLAT = 'flat'
RELIEF_RIDGE = 'ridge'
RELIEF_GROOVE = 'groove'
RELIEF_SOLID = 'solid'

DEFAULT_PROGRESS_BAR_COLOR = (GREENS[0], '#D0D0D0')  # a nice green progress bar
DEFAULT_PROGRESS_BAR_SIZE = (20, 20)  # Size of Progress Bar (characters for length, pixels for width)
DEFAULT_PROGRESS_BAR_BORDER_WIDTH = 1
DEFAULT_PROGRESS_BAR_RELIEF = RELIEF_GROOVE
PROGRESS_BAR_STYLES = ('default', 'winnative', 'clam', 'alt', 'classic', 'vista', 'xpnative')
DEFAULT_PROGRESS_BAR_STYLE = 'default'
DEFAULT_METER_ORIENTATION = 'Horizontal'
DEFAULT_SLIDER_ORIENTATION = 'vertical'
DEFAULT_SLIDER_BORDER_WIDTH = 1
DEFAULT_SLIDER_RELIEF = tk.FLAT
DEFAULT_FRAME_RELIEF = tk.GROOVE

DEFAULT_LISTBOX_SELECT_MODE = tk.SINGLE
SELECT_MODE_MULTIPLE = tk.MULTIPLE
LISTBOX_SELECT_MODE_MULTIPLE = 'multiple'
SELECT_MODE_BROWSE = tk.BROWSE
LISTBOX_SELECT_MODE_BROWSE = 'browse'
SELECT_MODE_EXTENDED = tk.EXTENDED
LISTBOX_SELECT_MODE_EXTENDED = 'extended'
SELECT_MODE_SINGLE = tk.SINGLE
LISTBOX_SELECT_MODE_SINGLE = 'single'

TABLE_SELECT_MODE_NONE = tk.NONE
TABLE_SELECT_MODE_BROWSE = tk.BROWSE
TABLE_SELECT_MODE_EXTENDED = tk.EXTENDED
DEFAULT_TABLE_SECECT_MODE = TABLE_SELECT_MODE_EXTENDED

TITLE_LOCATION_TOP = tk.N
TITLE_LOCATION_BOTTOM = tk.S
TITLE_LOCATION_LEFT = tk.W
TITLE_LOCATION_RIGHT = tk.E
TITLE_LOCATION_TOP_LEFT = tk.NW
TITLE_LOCATION_TOP_RIGHT = tk.NE
TITLE_LOCATION_BOTTOM_LEFT = tk.SW
TITLE_LOCATION_BOTTOM_RIGHT = tk.SE

THEME_DEFAULT = 'default'
THEME_WINNATIVE = 'winnative'
THEME_CLAM = 'clam'
THEME_ALT = 'alt'
THEME_CLASSIC = 'classic'
THEME_VISTA = 'vista'
THEME_XPNATIVE = 'xpnative'

# DEFAULT_METER_ORIENTATION = 'Vertical'
# ----====----====----==== Constants the user should NOT f-with ====----====----====----#
ThisRow = 555666777  # magic number

# DEFAULT_WINDOW_ICON = ''
MESSAGE_BOX_LINE_WIDTH = 60

# "Special" Key Values.. reserved
# Key representing a Read timeout
TIMEOUT_KEY = '__TIMEOUT__'
# Key indicating should not create any return values for element
WRITE_ONLY_KEY = '__WRITE ONLY__'

MENU_DISABLED_CHARACTER = '!'
MENU_KEY_SEPARATOR = '::'


# ====================================================================== #
# One-liner functions that are handy as f_ck                             #
# ====================================================================== #
def RGB(red, green, blue): return '#%02x%02x%02x' % (red, green, blue)


# ====================================================================== #
# Enums for types                                                        #
# ====================================================================== #
# -------------------------  Button types  ------------------------- #
# todo Consider removing the Submit, Cancel types... they are just 'RETURN' type in reality
# uncomment this line and indent to go back to using Enums
# class ButtonType(Enum):
BUTTON_TYPE_BROWSE_FOLDER = 1
BUTTON_TYPE_BROWSE_FILE = 2
BUTTON_TYPE_BROWSE_FILES = 21
BUTTON_TYPE_SAVEAS_FILE = 3
BUTTON_TYPE_CLOSES_WIN = 5
BUTTON_TYPE_CLOSES_WIN_ONLY = 6
BUTTON_TYPE_READ_FORM = 7
BUTTON_TYPE_REALTIME = 9
BUTTON_TYPE_CALENDAR_CHOOSER = 30
BUTTON_TYPE_COLOR_CHOOSER = 40

# -------------------------  Element types  ------------------------- #
# class ElementType(Enum):
ELEM_TYPE_TEXT = 'text'
ELEM_TYPE_INPUT_TEXT = 'input'
ELEM_TYPE_INPUT_COMBO = 'combo'
ELEM_TYPE_INPUT_OPTION_MENU = 'option menu'
ELEM_TYPE_INPUT_RADIO = 'radio'
ELEM_TYPE_INPUT_MULTILINE = 'multiline'
ELEM_TYPE_INPUT_CHECKBOX = 'checkbox'
ELEM_TYPE_INPUT_SPIN = 'spind'
ELEM_TYPE_BUTTON = 'button'
ELEM_TYPE_IMAGE = 'image'
ELEM_TYPE_CANVAS = 'canvas'
ELEM_TYPE_FRAME = 'frame'
ELEM_TYPE_GRAPH = 'graph'
ELEM_TYPE_TAB = 'tab'
ELEM_TYPE_TAB_GROUP = 'tabgroup'
ELEM_TYPE_INPUT_SLIDER = 'slider'
ELEM_TYPE_INPUT_LISTBOX = 'listbox'
ELEM_TYPE_OUTPUT = 'output'
ELEM_TYPE_COLUMN = 'column'
ELEM_TYPE_MENUBAR = 'menubar'
ELEM_TYPE_PROGRESS_BAR = 'progressbar'
ELEM_TYPE_BLANK = 'blank'
ELEM_TYPE_TABLE = 'table'
ELEM_TYPE_TREE = 'tree'
ELEM_TYPE_ERROR = 'error'
ELEM_TYPE_SEPARATOR = 'separator'
ELEM_TYPE_STATUSBAR = 'statusbar'
ELEM_TYPE_PANE = 'pane'
ELEM_TYPE_BUTTONMENU = 'buttonmenu'

# STRETCH == ERROR ELEMENT as a filler

# -------------------------  Popup Buttons Types  ------------------------- #
POPUP_BUTTONS_YES_NO = 1
POPUP_BUTTONS_CANCELLED = 2
POPUP_BUTTONS_ERROR = 3
POPUP_BUTTONS_OK_CANCEL = 4
POPUP_BUTTONS_OK = 0
POPUP_BUTTONS_NO_BUTTONS = 5


# ------------------------------------------------------------------------- #
#                       ToolTip used by the Elements                        #
# ------------------------------------------------------------------------- #

class ToolTip:
    """ Create a tooltip for a given widget

    (inspired by https://stackoverflow.com/a/36221216)
    """

    def __init__(self, widget, text, timeout=DEFAULT_TOOLTIP_TIME):
        self.widget = widget
        self.text = text
        self.timeout = timeout
        # self.wraplength = wraplength if wraplength else widget.winfo_screenwidth() // 2
        self.tipwindow = None
        self.id = None
        self.x = self.y = 0
        self.widget.bind("<Enter>", self.enter)
        self.widget.bind("<Leave>", self.leave)
        self.widget.bind("<ButtonPress>", self.leave)

    def enter(self, event=None):
        self.schedule()

    def leave(self, event=None):
        self.unschedule()
        self.hidetip()

    def schedule(self):
        self.unschedule()
        self.id = self.widget.after(self.timeout, self.showtip)

    def unschedule(self):
        if self.id:
            self.widget.after_cancel(self.id)
        self.id = None

    def showtip(self):
        if self.tipwindow:
            return
        x = self.widget.winfo_rootx() + DEFAULT_TOOLTIP_OFFSET[0]
        y = self.widget.winfo_rooty() + self.widget.winfo_height() + DEFAULT_TOOLTIP_OFFSET[1]
        self.tipwindow = tk.Toplevel(self.widget)
        self.tipwindow.wm_overrideredirect(True)
        self.tipwindow.wm_geometry("+%d+%d" % (x, y))
        self.tipwindow.wm_attributes("-topmost", 1)

        label = ttk.Label(self.tipwindow, text=self.text, justify=tk.LEFT,
                          background="#ffffe0", relief=tk.SOLID, borderwidth=1)
        label.pack()

    def hidetip(self):
        if self.tipwindow:
            self.tipwindow.destroy()
        self.tipwindow = None


# ---------------------------------------------------------------------- #
# Cascading structure.... Objects get larger                             #
#   Button                                                               #
#       Element                                                          #
#           Row                                                          #
#               Form                                                     #
# ---------------------------------------------------------------------- #
# ------------------------------------------------------------------------- #
#                       Element CLASS                                       #
# ------------------------------------------------------------------------- #
class Element():
    def __init__(self, type, size=(None, None), auto_size_text=None, font=None, background_color=None, text_color=None, key=None, pad=None, tooltip=None, visible=True):
        '''
        Element
        :param type:
        :param size:
        :param auto_size_text:
        :param font:
        :param background_color:
        :param text_color:
        :param key:
        :param pad:
        :param tooltip:
        :param visible:
        '''
        self.Size = size
        self.Type = type
        self.AutoSizeText = auto_size_text
        self.Pad = pad
        self.Font = font

        self.TKStringVar = None
        self.TKIntVar = None
        self.TKText = None
        self.TKEntry = None
        self.TKImage = None

        self.ParentForm = None      # type: Window
        self.ParentContainer = None  # will be a Form, Column, or Frame element
        self.TextInputDefault = None
        self.Position = (0, 0)  # Default position Row 0, Col 0
        self.BackgroundColor = background_color if background_color is not None else DEFAULT_ELEMENT_BACKGROUND_COLOR
        self.TextColor = text_color if text_color is not None else DEFAULT_ELEMENT_TEXT_COLOR
        self.Key = key  # dictionary key for return values
        self.Tooltip = tooltip
        self.TooltipObject = None
        self.Visible = visible
        self.TKRightClickMenu = None

    def RightClickMenuCallback(self, event):
        self.TKRightClickMenu.tk_popup(event.x_root, event.y_root, 0)
        self.TKRightClickMenu.grab_release()

    def MenuItemChosenCallback(self, item_chosen):      # TEXT Menu item callback
        # print('IN MENU ITEM CALLBACK', item_chosen)
        self.MenuItemChosen = item_chosen.replace('&','')
        self.ParentForm.LastButtonClicked = self.MenuItemChosen
        self.ParentForm.FormRemainedOpen = True
        if self.ParentForm.CurrentlyRunningMainloop:
            self.ParentForm.TKroot.quit()  # kick the users out of the mainloop


    def FindReturnKeyBoundButton(self, form):
        for row in form.Rows:
            for element in row:
                if element.Type == ELEM_TYPE_BUTTON:
                    if element.BindReturnKey:
                        return element
                if element.Type == ELEM_TYPE_COLUMN:
                    rc = self.FindReturnKeyBoundButton(element)
                    if rc is not None:
                        return rc
                if element.Type == ELEM_TYPE_FRAME:
                    rc = self.FindReturnKeyBoundButton(element)
                    if rc is not None:
                        return rc
                if element.Type == ELEM_TYPE_TAB_GROUP:
                    rc = self.FindReturnKeyBoundButton(element)
                    if rc is not None:
                        return rc
                if element.Type == ELEM_TYPE_TAB:
                    rc = self.FindReturnKeyBoundButton(element)
                    if rc is not None:
                        return rc
        return None

    def TextClickedHandler(self, event):
        if self.Key is not None:
            self.ParentForm.LastButtonClicked = self.Key
        else:
            self.ParentForm.LastButtonClicked = self.DisplayText
        self.ParentForm.FormRemainedOpen = True
        if self.ParentForm.CurrentlyRunningMainloop:
            self.ParentForm.TKroot.quit()  # kick the users out of the mainloop

    def ReturnKeyHandler(self, event):
        MyForm = self.ParentForm
        button_element = self.FindReturnKeyBoundButton(MyForm)
        if button_element is not None:
            button_element.ButtonCallBack()

    def ListboxSelectHandler(self, event):
        # first, get the results table built
        # modify the Results table in the parent FlexForm object
        if self.Key is not None:
            self.ParentForm.LastButtonClicked = self.Key
        else:
            self.ParentForm.LastButtonClicked = ''
        self.ParentForm.FormRemainedOpen = True
        if self.ParentForm.CurrentlyRunningMainloop:
            self.ParentForm.TKroot.quit()  # kick the users out of the mainloop

    def ComboboxSelectHandler(self, event):
        # first, get the results table built
        # modify the Results table in the parent FlexForm object
        if self.Key is not None:
            self.ParentForm.LastButtonClicked = self.Key
        else:
            self.ParentForm.LastButtonClicked = ''
        self.ParentForm.FormRemainedOpen = True
        if self.ParentForm.CurrentlyRunningMainloop:
            self.ParentForm.TKroot.quit()  # kick the users out of the mainloop

    def RadioHandler(self):
        if self.Key is not None:
            self.ParentForm.LastButtonClicked = self.Key
        else:
            self.ParentForm.LastButtonClicked = ''
        self.ParentForm.FormRemainedOpen = True
        if self.ParentForm.CurrentlyRunningMainloop:
            self.ParentForm.TKroot.quit()

    def CheckboxHandler(self):
        if self.Key is not None:
            self.ParentForm.LastButtonClicked = self.Key
        else:
            self.ParentForm.LastButtonClicked = ''
        self.ParentForm.FormRemainedOpen = True
        if self.ParentForm.CurrentlyRunningMainloop:
            self.ParentForm.TKroot.quit()

    def TabGroupSelectHandler(self, event):
        if self.Key is not None:
            self.ParentForm.LastButtonClicked = self.Key
        else:
            self.ParentForm.LastButtonClicked = ''
        self.ParentForm.FormRemainedOpen = True
        if self.ParentForm.CurrentlyRunningMainloop:
            self.ParentForm.TKroot.quit()

    def KeyboardHandler(self, event):
        if self.Key is not None:
            self.ParentForm.LastButtonClicked = self.Key
        else:
            self.ParentForm.LastButtonClicked = ''
        self.ParentForm.FormRemainedOpen = True
        if self.ParentForm.CurrentlyRunningMainloop:
            self.ParentForm.TKroot.quit()

    def ClickHandler(self, event):
        if self.Key is not None:
            self.ParentForm.LastButtonClicked = self.Key
        else:
            self.ParentForm.LastButtonClicked = ''
        self.ParentForm.FormRemainedOpen = True
        if self.ParentForm.CurrentlyRunningMainloop:
            self.ParentForm.TKroot.quit()


    def __del__(self):
        try:
            self.TKStringVar.__del__()
        except:
            pass
        try:
            self.TKIntVar.__del__()
        except:
            pass
        try:
            self.TKText.__del__()
        except:
            pass
        try:
            self.TKEntry.__del__()
        except:
            pass


# ---------------------------------------------------------------------- #
#                           Input Class                                  #
# ---------------------------------------------------------------------- #
class InputText(Element):
    def __init__(self, default_text='', size=(None, None), disabled=False, password_char='',
                 justification=None, background_color=None, text_color=None, font=None, tooltip=None,
                 change_submits=False, enable_events=False, do_not_clear=False, key=None, focus=False, pad=None, right_click_menu=None, visible=True):
        '''
        InputText
        :param default_text:
        :param size:
        :param disabled:
        :param password_char:
        :param justification:
        :param background_color:
        :param text_color:
        :param font:
        :param tooltip:
        :param change_submits:
        :param enable_events:
        :param do_not_clear:
        :param key:
        :param focus:
        :param pad:
        :param right_click_menu:
        :param visible:
        '''
        self.DefaultText = default_text
        self.PasswordCharacter = password_char
        bg = background_color if background_color is not None else DEFAULT_INPUT_ELEMENTS_COLOR
        fg = text_color if text_color is not None else DEFAULT_INPUT_TEXT_COLOR
        self.Focus = focus
        self.do_not_clear = do_not_clear
        self.Justification = justification
        self.Disabled = disabled
        self.ChangeSubmits = change_submits or enable_events
        self.RightClickMenu = right_click_menu
        super().__init__(ELEM_TYPE_INPUT_TEXT, size=size, background_color=bg, text_color=fg, key=key, pad=pad,
                         font=font, tooltip=tooltip, visible=visible)

    def Update(self, value=None, disabled=None, select=None, visible=None):
        if disabled is True:
            self.TKEntry['state'] = 'readonly'
        elif disabled is False:
            self.TKEntry['state'] = 'normal'
        if value is not None:
            try:
                self.TKStringVar.set(value)
            except:
                pass
            self.DefaultText = value
        if select:
            self.TKEntry.select_range(0, 'end')
        if visible is False:
            self.TKEntry.pack_forget()
        elif visible is True:
            self.TKEntry.pack()

    def Get(self):
        try:
            text = self.TKStringVar.get()
        except:
            text = ''
        return text


    def SetFocus(self):
        try:
            self.TKEntry.focus_set()
        except:
            pass

    def __del__(self):
        super().__del__()


# -------------------------  INPUT TEXT Element lazy functions  ------------------------- #
In = InputText
Input = InputText


# ---------------------------------------------------------------------- #
#                           Combo                                        #
# ---------------------------------------------------------------------- #
class Combo(Element):
    def __init__(self, values, default_value=None, size=(None, None), auto_size_text=None, background_color=None,
                 text_color=None, change_submits=False, enable_events=False, disabled=False, key=None, pad=None, tooltip=None, readonly=False, font=None, visible=True):
        '''
        Combo
        :param values:
        :param default_value:
        :param size:
        :param auto_size_text:
        :param background_color:
        :param text_color:
        :param change_submits:
        :param enable_events:
        :param disabled:
        :param key:
        :param pad:
        :param tooltip:
        :param readonly:
        :param font:
        :param visible:
        '''
        self.Values = values
        self.DefaultValue = default_value
        self.ChangeSubmits = change_submits or enable_events
        self.TKCombo = None
        # self.InitializeAsDisabled = disabled
        self.Disabled = disabled
        self.Readonly = readonly
        bg = background_color if background_color else DEFAULT_INPUT_ELEMENTS_COLOR
        fg = text_color if text_color is not None else DEFAULT_INPUT_TEXT_COLOR

        super().__init__(ELEM_TYPE_INPUT_COMBO, size=size, auto_size_text=auto_size_text, background_color=bg,
                         text_color=fg, key=key, pad=pad, tooltip=tooltip, font=font or DEFAULT_FONT, visible=visible)

    def Update(self, value=None, values=None, set_to_index=None, disabled=None, readonly=None, font=None, visible=None):
        if values is not None:
            try:
                self.TKCombo['values'] = values
                self.TKCombo.current(0)
            except:
                pass
            self.Values = values
        if value is not None:
            for index, v in enumerate(self.Values):
                if v == value:
                    try:
                        self.TKCombo.current(index)
                    except:
                        pass
                    self.DefaultValue = value
                    break
        if set_to_index is not None:
            try:
                self.TKCombo.current(set_to_index)
                self.DefaultValue = self.Values[set_to_index]
            except:
                pass
        if disabled == True:
            self.TKCombo['state'] = 'disable'
        elif disabled == False:
            self.TKCombo['state'] = 'enable'
            if readonly is not None:
                self.Readonly = readonly
            if self.Readonly:
                self.TKCombo['state'] = 'readonly'
        if font is not None:
            self.TKCombo.configure(font=font)
        if visible is False:
            self.TKCombo.pack_forget()
        elif visible is True:
            self.TKCombo.pack()
    def __del__(self):
        try:
            self.TKCombo.__del__()
        except:
            pass
        super().__del__()


# -------------------------  INPUT COMBO Element lazy functions  ------------------------- #
InputCombo = Combo
DropDown = InputCombo
Drop = InputCombo


# ---------------------------------------------------------------------- #
#                           Option Menu                                  #
# ---------------------------------------------------------------------- #
class OptionMenu(Element):
    def __init__(self, values, default_value=None, size=(None, None), disabled=False, auto_size_text=None,
                 background_color=None, text_color=None, key=None, pad=None, tooltip=None, visible=True):
        '''
        OptionMenu
        :param values:
        :param default_value:
        :param size:
        :param disabled:
        :param auto_size_text:
        :param background_color:
        :param text_color:
        :param key:
        :param pad:
        :param tooltip:
        :param visible:
        '''
        self.Values = values
        self.DefaultValue = default_value
        self.TKOptionMenu = None
        self.Disabled = disabled
        bg = background_color if background_color else DEFAULT_INPUT_ELEMENTS_COLOR
        fg = text_color if text_color is not None else DEFAULT_INPUT_TEXT_COLOR

        super().__init__(ELEM_TYPE_INPUT_OPTION_MENU, size=size, auto_size_text=auto_size_text, background_color=bg,
                         text_color=fg, key=key, pad=pad, tooltip=tooltip, visible=visible)

    def Update(self, value=None, values=None, disabled=None, visible=None):
        if values is not None:
            self.Values = values
        if self.Values is not None:
            for index, v in enumerate(self.Values):
                if v == value:
                    try:
                        self.TKStringVar.set(value)
                    except:
                        pass
                    self.DefaultValue = value
                    break
        if disabled == True:
            self.TKOptionMenu['state'] = 'disabled'
        elif disabled == False:
            self.TKOptionMenu['state'] = 'normal'
        if visible is False:
            self.TKOptionMenu.pack_forget()
        elif visible is True:
            self.TKOptionMenu.pack()
    def __del__(self):
        try:
            self.TKOptionMenu.__del__()
        except:
            pass
        super().__del__()


# -------------------------  OPTION MENU Element lazy functions  ------------------------- #
InputOptionMenu = OptionMenu


# ---------------------------------------------------------------------- #
#                           Listbox                                      #
# ---------------------------------------------------------------------- #
class Listbox(Element):
    def __init__(self, values, default_values=None, select_mode=None, change_submits=False,enable_events=False, bind_return_key=False, size=(None, None), disabled=False, auto_size_text=None, font=None, background_color=None, text_color=None, key=None, pad=None, tooltip=None, right_click_menu=None, visible=True):
        '''
        Listbox
        :param values:
        :param default_values:
        :param select_mode:
        :param change_submits:
        :param enable_events:
        :param bind_return_key:
        :param size:
        :param disabled:
        :param auto_size_text:
        :param font:
        :param background_color:
        :param text_color:
        :param key:
        :param pad:
        :param tooltip:
        :param right_click_menu:
        :param visible:
        '''
        self.Values = values
        self.DefaultValues = default_values
        self.TKListbox = None
        self.ChangeSubmits = change_submits or enable_events
        self.BindReturnKey = bind_return_key
        self.Disabled = disabled
        if select_mode == LISTBOX_SELECT_MODE_BROWSE:
            self.SelectMode = SELECT_MODE_BROWSE
        elif select_mode == LISTBOX_SELECT_MODE_EXTENDED:
            self.SelectMode = SELECT_MODE_EXTENDED
        elif select_mode == LISTBOX_SELECT_MODE_MULTIPLE:
            self.SelectMode = SELECT_MODE_MULTIPLE
        elif select_mode == LISTBOX_SELECT_MODE_SINGLE:
            self.SelectMode = SELECT_MODE_SINGLE
        else:
            self.SelectMode = DEFAULT_LISTBOX_SELECT_MODE
        bg = background_color if background_color else DEFAULT_INPUT_ELEMENTS_COLOR
        fg = text_color if text_color is not None else DEFAULT_INPUT_TEXT_COLOR
        self.RightClickMenu = right_click_menu

        super().__init__(ELEM_TYPE_INPUT_LISTBOX, size=size, auto_size_text=auto_size_text, font=font,
                         background_color=bg, text_color=fg, key=key, pad=pad, tooltip=tooltip, visible=visible)

    def Update(self, values=None, disabled=None, set_to_index=None, visible=None):
        if disabled == True:
            self.TKListbox.configure(state='disabled')
        elif disabled == False:
            self.TKListbox.configure(state='normal')
        if values is not None:
            self.TKListbox.delete(0, 'end')
            for item in values:
                self.TKListbox.insert(tk.END, item)
            self.TKListbox.selection_set(0, 0)
            self.Values = values
        if set_to_index is not None:
            self.TKListbox.selection_clear(0)
            try:
                self.TKListbox.selection_set(set_to_index, set_to_index)
            except:
                pass
        if visible is False:
            self.TKListbox.pack_forget()
        elif visible is True:
            self.TKListbox.pack()


    def SetValue(self, values):
        for index, item in enumerate(self.Values):
            try:
                if item in values:
                    self.TKListbox.selection_set(index)
                else:
                    self.TKListbox.selection_clear(index)
            except:
                pass
        self.DefaultValues = values

    def GetListValues(self):
        return self.Values


    def SetFocus(self):
        try:
            self.TKListbox.focus_set()
        except:
            pass



    def __del__(self):
        try:
            self.TKListBox.__del__()
        except:
            pass
        super().__del__()


# ---------------------------------------------------------------------- #
#                           Radio                                        #
# ---------------------------------------------------------------------- #
class Radio(Element):
    def __init__(self, text, group_id, default=False, disabled=False, size=(None, None), auto_size_text=None,
                 background_color=None, text_color=None, font=None, key=None, pad=None, tooltip=None, change_submits=False, enable_events=False, visible=True):
        '''
        Radio
        :param text:
        :param group_id:
        :param default:
        :param disabled:
        :param size:
        :param auto_size_text:
        :param background_color:
        :param text_color:
        :param font:
        :param key:
        :param pad:
        :param tooltip:
        :param change_submits:
        :param enable_events:
        :param visible:
        '''
        self.InitialState = default
        self.Text = text
        self.TKRadio = None
        self.GroupID = group_id
        self.Value = None
        self.Disabled = disabled
        self.TextColor = text_color or DEFAULT_TEXT_COLOR
        self.ChangeSubmits = change_submits or enable_events

        super().__init__(ELEM_TYPE_INPUT_RADIO, size=size, auto_size_text=auto_size_text, font=font,
                         background_color=background_color, text_color=self.TextColor, key=key, pad=pad,
                         tooltip=tooltip, visible=visible)

    def Update(self, value=None, disabled=None, visible=None):
        location = EncodeRadioRowCol(self.Position[0], self.Position[1])
        if value is not None:
            try:
                self.TKIntVar.set(location)
            except:
                pass
            self.InitialState = value
        if disabled == True:
            self.TKRadio['state'] = 'disabled'
        elif disabled == False:
            self.TKRadio['state'] = 'normal'
        if visible is False:
            self.TKRadio.pack_forget()
        elif visible is True:
            self.TKRadio.pack()

    def __del__(self):
        try:
            self.TKRadio.__del__()
        except:
            pass
        super().__del__()


# ---------------------------------------------------------------------- #
#                           Checkbox                                     #
# ---------------------------------------------------------------------- #
class Checkbox(Element):
    def __init__(self, text, default=False, size=(None, None), auto_size_text=None, font=None, background_color=None, text_color=None, change_submits=False,enable_events=False, disabled=False, key=None, pad=None, tooltip=None, visible=True):
        '''
        Checkbox
        :param text:
        :param default:
        :param size:
        :param auto_size_text:
        :param font:
        :param background_color:
        :param text_color:
        :param change_submits:
        :param enable_events:
        :param disabled:
        :param key:
        :param pad:
        :param tooltip:
        :param visible:
        '''
        self.Text = text
        self.InitialState = default
        self.Value = None
        self.TKCheckbutton = None
        self.Disabled = disabled
        self.TextColor = text_color if text_color else DEFAULT_TEXT_COLOR
        self.ChangeSubmits = change_submits or enable_events

        super().__init__(ELEM_TYPE_INPUT_CHECKBOX, size=size, auto_size_text=auto_size_text, font=font,
                         background_color=background_color, text_color=self.TextColor, key=key, pad=pad,
                         tooltip=tooltip, visible=visible)

    def Get(self):
        return self.TKIntVar.get()

    def Update(self, value=None, disabled=None, visible=None):
        if value is not None:
            try:
                self.TKIntVar.set(value)
                self.InitialState = value
            except:
                pass
        if disabled == True:
            self.TKCheckbutton.configure(state='disabled')
        elif disabled == False:
            self.TKCheckbutton.configure(state='normal')
        if visible is False:
            self.TKCheckbutton.pack_forget()
        elif visible is True:
            self.TKCheckbutton.pack()

    def __del__(self):
        super().__del__()


# -------------------------  CHECKBOX Element lazy functions  ------------------------- #
CB = Checkbox
CBox = Checkbox
Check = Checkbox


# ---------------------------------------------------------------------- #
#                           Spin                                         #
# ---------------------------------------------------------------------- #

class Spin(Element):
    # Values = None
    # TKSpinBox = None
    def __init__(self, values, initial_value=None, disabled=False, change_submits=False,enable_events=False , size=(None, None), auto_size_text=None, font=None, background_color=None, text_color=None, key=None, pad=None, tooltip=None, visible=True):
        '''
        Spin
        :param values:
        :param initial_value:
        :param disabled:
        :param change_submits:
        :param enable_events:
        :param size:
        :param auto_size_text:
        :param font:
        :param background_color:
        :param text_color:
        :param key:
        :param pad:
        :param tooltip:
        :param visible:
        '''
        self.Values = values
        self.DefaultValue = initial_value
        self.ChangeSubmits = change_submits or enable_events
        self.TKSpinBox = None
        self.Disabled = disabled
        bg = background_color if background_color else DEFAULT_INPUT_ELEMENTS_COLOR
        fg = text_color if text_color is not None else DEFAULT_INPUT_TEXT_COLOR

        super().__init__(ELEM_TYPE_INPUT_SPIN, size, auto_size_text, font=font, background_color=bg, text_color=fg,
                         key=key, pad=pad, tooltip=tooltip, visible=visible)
        return

    def Update(self, value=None, values=None, disabled=None, visible=None):
        if values != None:
            old_value = self.TKStringVar.get()
            self.Values = values
            self.TKSpinBox.configure(values=values)
            self.TKStringVar.set(old_value)
        if value is not None:
            try:
                self.TKStringVar.set(value)
            except:
                pass
        self.DefaultValue = value
        if disabled == True:
            self.TKSpinBox.configure(state='disabled')
        elif disabled == False:
            self.TKSpinBox.configure(state='normal')
        if visible is False:
            self.TKSpinBox.pack_forget()
        elif visible is True:
            self.TKSpinBox.pack()


    def SpinChangedHandler(self, event):
        # first, get the results table built
        # modify the Results table in the parent FlexForm object
        if self.Key is not None:
            self.ParentForm.LastButtonClicked = self.Key
        else:
            self.ParentForm.LastButtonClicked = ''
        self.ParentForm.FormRemainedOpen = True
        if self.ParentForm.CurrentlyRunningMainloop:
            self.ParentForm.TKroot.quit()  # kick the users out of the mainloop

    def Get(self):
        return self.TKStringVar.get()

    def __del__(self):
        try:
            self.TKSpinBox.__del__()
        except:
            pass
        super().__del__()


# ---------------------------------------------------------------------- #
#                           Multiline                                    #
# ---------------------------------------------------------------------- #
class Multiline(Element):
    def __init__(self, default_text='', enter_submits=False, disabled=False, autoscroll=False, size=(None, None),
                 auto_size_text=None, background_color=None, text_color=None, change_submits=False, enable_events=False,do_not_clear=False, key=None, focus=False, font=None, pad=None, tooltip=None, right_click_menu=None, visible=True):
        '''
        Multiline
        :param default_text:
        :param enter_submits:
        :param disabled:
        :param autoscroll:
        :param size:
        :param auto_size_text:
        :param background_color:
        :param text_color:
        :param change_submits:
        :param enable_events:
        :param do_not_clear:
        :param key:
        :param focus:
        :param font:
        :param pad:
        :param tooltip:
        :param right_click_menu:
        :param visible:
        '''

        self.DefaultText = default_text
        self.EnterSubmits = enter_submits
        bg = background_color if background_color else DEFAULT_INPUT_ELEMENTS_COLOR
        self.Focus = focus
        self.do_not_clear = do_not_clear
        fg = text_color if text_color is not None else DEFAULT_INPUT_TEXT_COLOR
        self.Autoscroll = autoscroll
        self.Disabled = disabled
        self.ChangeSubmits = change_submits or enable_events
        self.RightClickMenu = right_click_menu

        super().__init__(ELEM_TYPE_INPUT_MULTILINE, size=size, auto_size_text=auto_size_text, background_color=bg,
                         text_color=fg, key=key, pad=pad, tooltip=tooltip, font=font or DEFAULT_FONT, visible=visible)
        return

    def Update(self, value=None, disabled=None, append=False, font=None, text_color=None, background_color=None, visible=None):
        if value is not None:
            try:
                if not append:
                    self.TKText.delete('1.0', tk.END)
                self.TKText.insert(tk.END, value)
            except:
                pass
            self.DefaultText = value
        if self.Autoscroll:
            self.TKText.see(tk.END)
        if disabled == True:
            self.TKText.configure(state='disabled')
        elif disabled == False:
            self.TKText.configure(state='normal')
        if background_color is not None:
            self.TKText.configure(background=background_color)
        if text_color is not None:
            self.TKText.configure(fg=text_color)
        if font is not None:
            self.TKText.configure(font=font)
        if visible is False:
            self.TKText.pack_forget()
        elif visible is True:
            self.TKText.pack()

    def Get(self):
        return self.TKText.get(1.0, tk.END)


    def SetFocus(self):
        try:
            self.TKText.focus_set()
        except:
            pass

    def __del__(self):
        super().__del__()


# ---------------------------------------------------------------------- #
#                                       Text                             #
# ---------------------------------------------------------------------- #
class Text(Element):
    def __init__(self, text, size=(None, None), auto_size_text=None, click_submits=False, enable_events=False, relief=None, font=None, text_color=None, background_color=None, justification=None, pad=None, key=None, right_click_menu=None, tooltip=None, visible=True):
        '''
        Text
        :param text:
        :param size:
        :param auto_size_text:
        :param click_submits:
        :param enable_events:
        :param relief:
        :param font:
        :param text_color:
        :param background_color:
        :param justification:
        :param pad:
        :param key:
        :param right_click_menu:
        :param tooltip:
        :param visible:
        '''
        self.DisplayText = str(text)
        self.TextColor = text_color if text_color else DEFAULT_TEXT_COLOR
        self.Justification = justification
        self.Relief = relief
        self.ClickSubmits = click_submits or enable_events
        if background_color is None:
            bg = DEFAULT_TEXT_ELEMENT_BACKGROUND_COLOR
        else:
            bg = background_color
        self.RightClickMenu = right_click_menu
        self.TKRightClickMenu = None

        super().__init__(ELEM_TYPE_TEXT, size, auto_size_text, background_color=bg, font=font if font else DEFAULT_FONT,
                         text_color=self.TextColor, pad=pad, key=key, tooltip=tooltip, visible=visible)
        return

    def Update(self, value=None, background_color=None, text_color=None, font=None, visible=None):
        if value is not None:
            self.DisplayText = value
            stringvar = self.TKStringVar
            stringvar.set(value)
        if background_color is not None:
            self.TKText.configure(background=background_color)
        if text_color is not None:
            self.TKText.configure(fg=text_color)
        if font is not None:
            self.TKText.configure(font=font)
        if visible is False:
            self.TKText.pack_forget()
        elif visible is True:
            self.TKText.pack()

    def __del__(self):
        super().__del__()


# -------------------------  Text Element lazy functions  ------------------------- #
Txt = Text
T = Text



# ---------------------------------------------------------------------- #
#                                       StatusBar                        #
# ---------------------------------------------------------------------- #
class StatusBar(Element):
    def __init__(self, text, size=(None, None), auto_size_text=None, click_submits=None, enable_events=False, relief=RELIEF_SUNKEN, font=None, text_color=None, background_color=None, justification=None, pad=None, key=None, tooltip=None, visible=True):
        '''
        StatusBar
        :param text:
        :param size:
        :param auto_size_text:
        :param click_submits:
        :param enable_events:
        :param relief:
        :param font:
        :param text_color:
        :param background_color:
        :param justification:
        :param pad:
        :param key:
        :param tooltip:
        :param visible:
        '''
        self.DisplayText = text
        self.TextColor = text_color if text_color else DEFAULT_TEXT_COLOR
        self.Justification = justification
        self.Relief = relief
        self.ClickSubmits = click_submits or enable_events
        if background_color is None:
            bg = DEFAULT_TEXT_ELEMENT_BACKGROUND_COLOR
        else:
            bg = background_color
        super().__init__(ELEM_TYPE_STATUSBAR, size=size, auto_size_text=auto_size_text, background_color=bg, font=font or DEFAULT_FONT, text_color=self.TextColor, pad=pad, key=key, tooltip=tooltip, visible=visible)
        return

    def Update(self, value=None, background_color=None, text_color=None, font=None, visible=None):
        if value is not None:
            self.DisplayText = value
            stringvar = self.TKStringVar
            stringvar.set(value)
        if background_color is not None:
            self.TKText.configure(background=background_color)
        if text_color is not None:
            self.TKText.configure(fg=text_color)
        if font is not None:
            self.TKText.configure(font=font)
        if visible is False:
            self.TKText.pack_forget()
        elif visible is True:
            self.TKText.pack()

    def __del__(self):
        super().__del__()


# ---------------------------------------------------------------------- #
#                       TKProgressBar                                    #
#  Emulate the TK ProgressBar using canvas and rectangles
# ---------------------------------------------------------------------- #

class TKProgressBar():
    def __init__(self, root, max, length=400, width=DEFAULT_PROGRESS_BAR_SIZE[1], style=DEFAULT_PROGRESS_BAR_STYLE,
                 relief=DEFAULT_PROGRESS_BAR_RELIEF, border_width=DEFAULT_PROGRESS_BAR_BORDER_WIDTH,
                 orientation='horizontal', BarColor=(None, None), key=None):

        self.Length = length
        self.Width = width
        self.Max = max
        self.Orientation = orientation
        self.Count = None
        self.PriorCount = 0

        if orientation[0].lower() == 'h':
            s = ttk.Style()
            s.theme_use(style)
            if BarColor != COLOR_SYSTEM_DEFAULT:
                s.configure(str(key) + "my.Horizontal.TProgressbar", background=BarColor[0], troughcolor=BarColor[1],
                            troughrelief=relief, borderwidth=border_width, thickness=width)
            else:
                s.configure(str(key) + "my.Horizontal.TProgressbar", troughrelief=relief, borderwidth=border_width,
                            thickness=width)

            self.TKProgressBarForReal = ttk.Progressbar(root, maximum=self.Max,
                                                        style=str(key) + 'my.Horizontal.TProgressbar', length=length,
                                                        orient=tk.HORIZONTAL, mode='determinate')
        else:
            s = ttk.Style()
            s.theme_use(style)
            if BarColor != COLOR_SYSTEM_DEFAULT:
                s.configure(str(length) + str(width) + "my.Vertical.TProgressbar", background=BarColor[0],
                            troughcolor=BarColor[1], troughrelief=relief, borderwidth=border_width, thickness=width)
            else:
                s.configure(str(length) + str(width) + "my.Vertical.TProgressbar", troughrelief=relief,
                            borderwidth=border_width, thickness=width)
            self.TKProgressBarForReal = ttk.Progressbar(root, maximum=self.Max,
                                                        style=str(length) + str(width) + 'my.Vertical.TProgressbar',
                                                        length=length, orient=tk.VERTICAL, mode='determinate')

    def Update(self, count=None, max=None):
        if max is not None:
            self.Max = max
            try:
                self.TKProgressBarForReal.config(maximum=max)
            except:
                return False
        if count is not None and count > self.Max: return False
        if count is not None:
            try:
                self.TKProgressBarForReal['value'] = count
            except:
                return False
        return True

    def __del__(self):
        try:
            self.TKProgressBarForReal.__del__()
        except:
            pass


# ---------------------------------------------------------------------- #
#                           TKOutput                                     #
#   New Type of TK Widget that's a Text Widget in disguise               #
#       Note that it's inherited from the TKFrame class so that the      #
#       Scroll bar will span the length of the frame                     #
# ---------------------------------------------------------------------- #
class TKOutput(tk.Frame):
    def __init__(self, parent, width, height, bd, background_color=None, text_color=None, font=None, pad=None):
        self.frame = tk.Frame(parent)
        tk.Frame.__init__(self, self.frame)
        self.output = tk.Text(self.frame, width=width, height=height, bd=bd, font=font)
        if background_color and background_color != COLOR_SYSTEM_DEFAULT:
            self.output.configure(background=background_color)
            self.frame.configure(background=background_color)
        if text_color and text_color != COLOR_SYSTEM_DEFAULT:
            self.output.configure(fg=text_color)
        self.vsb = tk.Scrollbar(self.frame, orient="vertical", command=self.output.yview)
        self.output.configure(yscrollcommand=self.vsb.set)
        self.output.pack(side="left", fill="both", expand=True)
        self.vsb.pack(side="left", fill="y", expand=False)
        self.frame.pack(side="left", padx=pad[0], pady=pad[1], expand=True, fill='y')
        self.previous_stdout = sys.stdout
        self.previous_stderr = sys.stderr

        sys.stdout = self
        sys.stderr = self
        self.pack()

    def write(self, txt):
        try:
            self.output.insert(tk.END, str(txt))
            self.output.see(tk.END)
        except:
            pass

    def Close(self):
        sys.stdout = self.previous_stdout
        sys.stderr = self.previous_stderr

    def flush(self):
        sys.stdout = self.previous_stdout
        sys.stderr = self.previous_stderr

    def __del__(self):
        sys.stdout = self.previous_stdout
        sys.stderr = self.previous_stderr


# ---------------------------------------------------------------------- #
#                           Output                                       #
#  Routes stdout, stderr to a scrolled window                            #
# ---------------------------------------------------------------------- #
class Output(Element):
    def __init__(self, size=(None, None), background_color=None, text_color=None, pad=None, font=None, tooltip=None,
                 key=None, right_click_menu=None, visible=True):
        '''
        Output
        :param size:
        :param background_color:
        :param text_color:
        :param pad:
        :param font:
        :param tooltip:
        :param key:
        :param right_click_menu:
        :param visible:
        '''
        self._TKOut = None
        bg = background_color if background_color else DEFAULT_INPUT_ELEMENTS_COLOR
        fg = text_color if text_color is not None else DEFAULT_INPUT_TEXT_COLOR
        self.RightClickMenu = right_click_menu

        super().__init__(ELEM_TYPE_OUTPUT, size=size, background_color=bg, text_color=fg, pad=pad, font=font,
                         tooltip=tooltip, key=key, visible=visible)

    @property
    def TKOut(self):
        if self._TKOut is None:
            print('*** Did you forget to call Finalize()? Your code should look something like: ***')
            print('*** form = sg.Window("My Form").Layout(layout).Finalize() ***')
        return self._TKOut


    def Update(self, value=None, visible=None):
        if value is not None:
            self._TKOut.output.delete('1.0', tk.END)
            self._TKOut.output.insert(tk.END, value)
        if visible is False:
            self._TKOut.frame.pack_forget()
        elif visible is True:
            self._TKOut.frame.pack()

    def __del__(self):
        try:
            self._TKOut.__del__()
        except:
            pass
        super().__del__()


# ---------------------------------------------------------------------- #
#                           Button Class                                 #
# ---------------------------------------------------------------------- #
class Button(Element):
    def __init__(self, button_text='', button_type=BUTTON_TYPE_READ_FORM, target=(None, None), tooltip=None,
                 file_types=(("ALL Files", "*.*"),), initial_folder=None, disabled=False, change_submits=False, enable_events=False, image_filename=None, image_data=None, image_size=(None, None), image_subsample=None, border_width=None, size=(None, None), auto_size_button=None, button_color=None, font=None, bind_return_key=False, focus=False, pad=None, key=None, visible=True):
        '''
        Button
        :param button_text:
        :param button_type:
        :param target:
        :param tooltip:
        :param file_types:
        :param initial_folder:
        :param disabled:
        :param change_submits:
        :param enable_events:
        :param image_filename:
        :param image_data:
        :param image_size:
        :param image_subsample:
        :param border_width:
        :param size:
        :param auto_size_button:
        :param button_color:
        :param font:
        :param bind_return_key:
        :param focus:
        :param pad:
        :param key:
        :param visible:
        '''
        self.AutoSizeButton = auto_size_button
        self.BType = button_type
        self.FileTypes = file_types
        self.TKButton = None
        self.Target = target
        self.ButtonText = button_text
        if sys.platform == 'darwin' and button_color is not None:
            print('Button *** WARNING - Button colors are not supported on the Mac ***')
        self.ButtonColor = button_color if button_color else DEFAULT_BUTTON_COLOR
        self.ImageFilename = image_filename
        self.ImageData = image_data
        self.ImageSize = image_size
        self.ImageSubsample = image_subsample
        self.UserData = None
        self.BorderWidth = border_width if border_width is not None else DEFAULT_BORDER_WIDTH
        self.BindReturnKey = bind_return_key
        self.Focus = focus
        self.TKCal = None
        self.CalendarCloseWhenChosen = None
        self.DefaultDate_M_D_Y = (None, None, None)
        self.InitialFolder = initial_folder
        self.Disabled = disabled
        self.ChangeSubmits = change_submits or enable_events

        super().__init__(ELEM_TYPE_BUTTON, size=size, font=font, pad=pad, key=key, tooltip=tooltip, visible=visible)
        return

    # Realtime button release callback
    def ButtonReleaseCallBack(self, parm):
        self.LastButtonClickedWasRealtime = False
        self.ParentForm.LastButtonClicked = None

    # Realtime button callback
    def ButtonPressCallBack(self, parm):
        self.ParentForm.LastButtonClickedWasRealtime = True
        if self.Key is not None:
            self.ParentForm.LastButtonClicked = self.Key
        else:
            self.ParentForm.LastButtonClicked = self.ButtonText
        if self.ParentForm.CurrentlyRunningMainloop:
            self.ParentForm.TKroot.quit()           # kick out of loop if read was called

    # -------  Button Callback  ------- #
    def ButtonCallBack(self):
        # global _my_windows

        # print('Button callback')

        # print(f'Parent = {self.ParentForm}   Position = {self.Position}')
        # Buttons modify targets or return from the form
        # If modifying target, get the element object at the target and modify its StrVar
        target = self.Target
        target_element = None
        if target[0] == ThisRow:
            target = [self.Position[0], target[1]]
            if target[1] < 0:
                target[1] = self.Position[1] + target[1]
        strvar = None
        should_submit_window = False
        if target == (None, None):
            strvar = self.TKStringVar
        else:
            if not isinstance(target, str):
                if target[0] < 0:
                    target = [self.Position[0] + target[0], target[1]]
                target_element = self.ParentContainer._GetElementAtLocation(target)
            else:
                target_element = self.ParentForm.FindElement(target)
            try:
                strvar = target_element.TKStringVar
            except:
                pass
            try:
                if target_element.ChangeSubmits:
                    should_submit_window = True
            except:
                pass
        filetypes = (("ALL Files", "*.*"),) if self.FileTypes is None else self.FileTypes
        if self.BType == BUTTON_TYPE_BROWSE_FOLDER:
            folder_name = tk.filedialog.askdirectory(initialdir=self.InitialFolder)  # show the 'get folder' dialog box
            if folder_name != '':
                try:
                    if sys.platform == 'win32':
                        folder_name = folder_name.replace("/", "\\")
                    strvar.set(folder_name)
                    self.TKStringVar.set(folder_name)
                except:
                    pass
        elif self.BType == BUTTON_TYPE_BROWSE_FILE:
            if sys.platform == 'darwin':
                file_name = tk.filedialog.askopenfilename(initialdir=self.InitialFolder)  # show the 'get file' dialog box
            else:
                file_name = tk.filedialog.askopenfilename(filetypes=filetypes, initialdir=self.InitialFolder)  # show the 'get file' dialog box
            if file_name != '':
                if sys.platform == 'win32':
                    file_name = file_name.replace("/", "\\")
                strvar.set(file_name)
                self.TKStringVar.set(file_name)
        elif self.BType == BUTTON_TYPE_COLOR_CHOOSER:
            color = tk.colorchooser.askcolor()  # show the 'get file' dialog box
            color = color[1]  # save only the #RRGGBB portion
            strvar.set(color)
            self.TKStringVar.set(color)
        elif self.BType == BUTTON_TYPE_BROWSE_FILES:
            if sys.platform == 'darwin':
                file_name = tk.filedialog.askopenfilenames(initialdir=self.InitialFolder)
            else:
                file_name = tk.filedialog.askopenfilenames(filetypes=filetypes, initialdir=self.InitialFolder)
            if file_name != '':
                file_name = ';'.join(file_name)
                if sys.platform == 'win32':
                    file_name = file_name.replace("/", "\\")
                strvar.set(file_name)
                self.TKStringVar.set(file_name)
        elif self.BType == BUTTON_TYPE_SAVEAS_FILE:
            if sys.platform == 'darwin':
                file_name = tk.filedialog.asksaveasfilename(initialdir=self.InitialFolder)  # show the 'get file' dialog box
            else:
                file_name = tk.filedialog.asksaveasfilename(filetypes=filetypes,
                                                        initialdir=self.InitialFolder)  # show the 'get file' dialog box
            if file_name != '':
                if sys.platform == 'win32':
                    file_name = file_name.replace("/", "\\")
                strvar.set(file_name)
                self.TKStringVar.set(file_name)
        elif self.BType == BUTTON_TYPE_CLOSES_WIN:  # this is a return type button so GET RESULTS and destroy window
            # first, get the results table built
            # modify the Results table in the parent FlexForm object
            if self.Key is not None:
                self.ParentForm.LastButtonClicked = self.Key
            else:
                self.ParentForm.LastButtonClicked = self.ButtonText
            self.ParentForm.FormRemainedOpen = False
            self.ParentForm._Close()
            if self.ParentForm.CurrentlyRunningMainloop:
                self.ParentForm.TKroot.quit()
            if self.ParentForm.NonBlocking:
                self.ParentForm.TKroot.destroy()
                # _my_windows.Decrement()
                Window.DecrementOpenCount()
        elif self.BType == BUTTON_TYPE_READ_FORM:  # LEAVE THE WINDOW OPEN!! DO NOT CLOSE
            # first, get the results table built
            # modify the Results table in the parent FlexForm object
            if self.Key is not None:
                self.ParentForm.LastButtonClicked = self.Key
            else:
                self.ParentForm.LastButtonClicked = self.ButtonText
            self.ParentForm.FormRemainedOpen = True
            if self.ParentForm.CurrentlyRunningMainloop:            # if this window is running the mainloop, kick out
                self.ParentForm.TKroot.quit()  # kick the users out of the mainloop
        elif self.BType == BUTTON_TYPE_CLOSES_WIN_ONLY:  # special kind of button that does not exit main loop
            self.ParentForm._Close()
            if self.ParentForm.NonBlocking:
                self.ParentForm.TKroot.destroy()
                Window.DecrementOpenCount()
                # _my_windows.Decrement()
        elif self.BType == BUTTON_TYPE_CALENDAR_CHOOSER:  # this is a return type button so GET RESULTS and destroy window
            should_submit_window = False
            root = tk.Toplevel()
            root.title('Calendar Chooser')
            root.wm_attributes("-topmost", 1)
            self.TKCal = TKCalendar(master=root, firstweekday=calendar.SUNDAY, target_element=target_element, close_when_chosen=self.CalendarCloseWhenChosen, default_date=self.DefaultDate_M_D_Y )
            self.TKCal.pack(expand=1, fill='both')
            root.update()

        if should_submit_window:
            self.ParentForm.LastButtonClicked = target_element.Key
            self.ParentForm.FormRemainedOpen = True
            if self.ParentForm.CurrentlyRunningMainloop:
                self.ParentForm.TKroot.quit()  # kick the users out of the mainloop

        return

    def Update(self, text=None, button_color=(None, None), disabled=None, image_data=None, image_filename=None, visible=None, image_subsample=None, image_size=None):
        try:
            if text is not None:
                self.TKButton.configure(text=text)
                self.ButtonText = text
            if sys.platform == 'darwin' and button_color != (None, None):
                print('Button.Update *** WARNING - Button colors are not supported on the Mac***')
            if button_color != (None, None):
                self.TKButton.config(foreground=button_color[0], background=button_color[1])
        except:
            return
        if disabled == True:
            self.TKButton['state'] = 'disabled'
        elif disabled == False:
            self.TKButton['state'] = 'normal'
        if image_data is not None:
            image = tk.PhotoImage(data=image_data)
            if image_size is not None:
                width, height = image_size
            else:
                width, height = image.width(), image.height()
            if image_subsample:
                image = image.subsample(image_subsample)
            self.TKButton.config(image=image, width=width, height=height)
            self.TKButton.image = image
        if image_filename is not None:
            self.TKButton.config(highlightthickness=0)
            image = tk.PhotoImage(file=image_filename)
            if image_size is not None:
                width, height = image_size
            else:
                width, height = image.width(), image.height()
            if image_subsample:
                image = image.subsample(image_subsample)
            self.TKButton.config(image=image, width=width, height=height)
            self.TKButton.image = image
        if visible is False:
            self.TKButton.pack_forget()
        elif visible is True:
            self.TKButton.pack()

    def GetText(self):
        return self.ButtonText


    def SetFocus(self):
        try:
            self.TKButton.focus_set()
        except:
            pass


    def __del__(self):
        try:
            self.TKButton.__del__()
        except:
            pass
        super().__del__()



# ---------------------------------------------------------------------- #
#                           ButtonMenu Class                             #
# ---------------------------------------------------------------------- #
class ButtonMenu(Element):
    def __init__(self, button_text,menu_def, tooltip=None,disabled=False,
                 image_filename=None, image_data=None, image_size=(None, None), image_subsample=None,border_width=None,
                 size=(None, None), auto_size_button=None, button_color=None, font=None, pad=None, key=None, tearoff=False, visible=True):
        '''
        ButtonMenu
        :param button_text:
        :param menu_def:
        :param tooltip:
        :param disabled:
        :param image_filename:
        :param image_data:
        :param image_size:
        :param image_subsample:
        :param border_width:
        :param size:
        :param auto_size_button:
        :param button_color:
        :param font:
        :param pad:
        :param key:
        :param tearoff:
        :param visible:
        '''
        self.MenuDefinition = menu_def
        self.AutoSizeButton = auto_size_button
        self.ButtonText = button_text
        self.ButtonColor = button_color if button_color else DEFAULT_BUTTON_COLOR
        self.TextColor = self.ButtonColor[0]
        self.BackgroundColor = self.ButtonColor[1]
        self.BorderWidth = border_width
        self.ImageFilename = image_filename
        self.ImageData = image_data
        self.ImageSize = image_size
        self.ImageSubsample = image_subsample
        self.Disabled = disabled
        self.IsButtonMenu = True
        self.MenuItemChosen = None
        self.Tearoff = tearoff
        self.TKButtonMenu = None
        self.TKMenu = None
        # self.temp_size = size if size != (NONE, NONE) else

        super().__init__(ELEM_TYPE_BUTTONMENU, size=size, font=font, pad=pad, key=key, tooltip=tooltip, text_color=self.TextColor, background_color=self.BackgroundColor, visible=visible)
        return


    def MenuItemChosenCallback(self, item_chosen):          # ButtonMenu Menu Item Chosen Callback
        # print('IN MENU ITEM CALLBACK', item_chosen)
        self.MenuItemChosen = item_chosen.replace('&','')
        self.ParentForm.LastButtonClicked = self.Key
        self.ParentForm.FormRemainedOpen = True
        if self.ParentForm.CurrentlyRunningMainloop:
            self.ParentForm.TKroot.quit()  # kick the users out of the mainloop


    def Update(self, menu_definition, visible=None):
        self.MenuDefinition = menu_definition
        if menu_definition is not None:
            self.TKMenu = tk.Menu(self.TKButtonMenu, tearoff=self.Tearoff)  # create the menubar
            AddMenuItem(self.TKMenu, menu_definition[1], self)
        self.TKButtonMenu.configure(menu=self.TKMenu)
        if visible is False:
            self.TKButtonMenu.pack_forget()
        elif visible is True:
            self.TKButtonMenu.pack()



    def __del__(self):
        try:
            self.TKButton.__del__()
        except:
            pass
        super().__del__()





# ---------------------------------------------------------------------- #
#                           ProgreessBar                                 #
# ---------------------------------------------------------------------- #
class ProgressBar(Element):
    def __init__(self, max_value, orientation=None, size=(None, None), auto_size_text=None, bar_color=(None, None),
                 style=None, border_width=None, relief=None, key=None, pad=None, visible=True):
        '''
        ProgressBar
        :param max_value:
        :param orientation:
        :param size:
        :param auto_size_text:
        :param bar_color:
        :param style:
        :param border_width:
        :param relief:
        :param key:
        :param pad:
        :param visible:
        '''
        self.MaxValue = max_value
        self.TKProgressBar = None
        self.Cancelled = False
        self.NotRunning = True
        self.Orientation = orientation if orientation else DEFAULT_METER_ORIENTATION
        self.BarColor = bar_color
        self.BarStyle = style if style else DEFAULT_PROGRESS_BAR_STYLE
        self.BorderWidth = border_width if border_width else DEFAULT_PROGRESS_BAR_BORDER_WIDTH
        self.Relief = relief if relief else DEFAULT_PROGRESS_BAR_RELIEF
        self.BarExpired = False
        super().__init__(ELEM_TYPE_PROGRESS_BAR, size=size, auto_size_text=auto_size_text, key=key, pad=pad, visible=visible)

    # returns False if update failed
    def UpdateBar(self, current_count, max=None):
        if self.ParentForm.TKrootDestroyed:
            return False
        self.TKProgressBar.Update(current_count, max=max)
        try:
            self.ParentForm.TKroot.update()
        except:
            Window.DecrementOpenCount()
            # _my_windows.Decrement()
            return False
        return True

    def Update(self, visible=None):
        if visible is False:
            self.TKProgressBar.TKProgressBarForReal.pack_forget()
        elif visible is True:
            self.TKProgressBar.TKProgressBarForReal.pack()


    def __del__(self):
        try:
            self.TKProgressBar.__del__()
        except:
            pass
        super().__del__()


# ---------------------------------------------------------------------- #
#                           Image                                        #
# ---------------------------------------------------------------------- #
class Image(Element):
    def __init__(self, filename=None, data=None, background_color=None, size=(None, None), pad=None, key=None,
                 tooltip=None, right_click_menu=None, visible=True, enable_events=False):
        '''
        Image
        :param filename:
        :param data:
        :param background_color:
        :param size:
        :param pad:
        :param key:
        :param tooltip:
        :param right_click_menu:
        :param visible:
        :param enable_events:
        '''
        self.Filename = filename
        self.Data = data
        self.tktext_label = None
        self.BackgroundColor = background_color
        if data is None and filename is None:
            print('* Warning... no image specified in Image Element! *')
        self.EnableEvents = enable_events
        self.RightClickMenu = right_click_menu
        self.AnimatedFrames = None
        self.CurrentFrameNumber = 0
        self.TotalAnimatedFrames = 0
        self.LastFrameTime = 0
        self.Source = filename or data

        super().__init__(ELEM_TYPE_IMAGE, size=size, background_color=background_color, pad=pad, key=key,
                         tooltip=tooltip, visible=visible)
        return

    def Update(self, filename=None, data=None, size=(None,None), visible=None):
        if filename is not None:
            image = tk.PhotoImage(file=filename)
        elif data is not None:
            # if type(data) is bytes:
            try:
                image = tk.PhotoImage(data=data)
            except:
                return  # an error likely means the window has closed so exit
        else:
            return
        width, height = size[0] or image.width(), size[1] or image.height()
        self.tktext_label.configure(image=image, width=width, height=height)
        self.tktext_label.image = image
        if visible is False:
            self.tktext_label.pack_forget()
        elif visible is True:
            self.tktext_label.pack()

    def UpdateAnimation(self, source, time_between_frames=0):
        if self.Source != source:
            self.AnimatedFrames = None
            self.Source = source

        if self.AnimatedFrames is None:
            self.TotalAnimatedFrames = 0
            self.AnimatedFrames = []
            for i in range(1000):
                if type(source) is not bytes:
                    try:
                        self.AnimatedFrames.append(tk.PhotoImage(file=source, format='gif -index %i' % (i)))
                    except:
                        break
                else:
                    try:
                        self.AnimatedFrames.append(tk.PhotoImage(data=source, format='gif -index %i' % (i)))
                    except:
                        break
                self.TotalAnimatedFrames += 1
            self.LastFrameTime = time.time()
            self.CurrentFrameNumber = 0
        # show the frame

        now = time.time()

        if time_between_frames:
            if (now - self.LastFrameTime) * 1000 > time_between_frames:
                self.LastFrameTime = now
                self.CurrentFrameNumber  = self.CurrentFrameNumber + 1 if self.CurrentFrameNumber+1< self.TotalAnimatedFrames else 0
            else:                   # don't reshow the frame again if not time for new frame
                return
        else:
            self.CurrentFrameNumber  = self.CurrentFrameNumber + 1 if self.CurrentFrameNumber+1< self.TotalAnimatedFrames else 0
        image = self.AnimatedFrames[self.CurrentFrameNumber]
        try:        # needed in case the window was closed with an "X"
            self.tktext_label.configure(image=image, width=image.width(), heigh=image.height())
        except:
            pass




    def __del__(self):
        super().__del__()


# ---------------------------------------------------------------------- #
#                           Canvas                                       #
# ---------------------------------------------------------------------- #
class Canvas(Element):
    def __init__(self, canvas=None, background_color=None, size=(None, None), pad=None, key=None, tooltip=None, right_click_menu=None, visible=True):
        '''
        Canvas
        :param canvas:
        :param background_color:
        :param size:
        :param pad:
        :param key:
        :param tooltip:
        :param right_click_menu:
        :param visible:
        '''
        self.BackgroundColor = background_color if background_color is not None else DEFAULT_BACKGROUND_COLOR
        self._TKCanvas = canvas
        self.RightClickMenu = right_click_menu

        super().__init__(ELEM_TYPE_CANVAS, background_color=background_color, size=size, pad=pad, key=key,
                         tooltip=tooltip, visible=visible)
        return

    @property
    def TKCanvas(self):
        if self._TKCanvas is None:
            print('*** Did you forget to call Finalize()? Your code should look something like: ***')
            print('*** form = sg.Window("My Form").Layout(layout).Finalize() ***')
        return self._TKCanvas

    def __del__(self):
        super().__del__()


# ---------------------------------------------------------------------- #
#                           Graph                                        #
# ---------------------------------------------------------------------- #
class Graph(Element):
    def __init__(self, canvas_size, graph_bottom_left, graph_top_right, background_color=None, pad=None, change_submits=False, drag_submits=False, enable_events=False, key=None, tooltip=None, right_click_menu=None, visible=True):
        '''
        Graph
        :param canvas_size:
        :param graph_bottom_left:
        :param graph_top_right:
        :param background_color:
        :param pad:
        :param change_submits:
        :param drag_submits:
        :param enable_events:
        :param key:
        :param tooltip:
        :param right_click_menu:
        :param visible:
        '''
        self.CanvasSize = canvas_size
        self.BottomLeft = graph_bottom_left
        self.TopRight = graph_top_right
        self._TKCanvas = None
        self._TKCanvas2 = None
        self.ChangeSubmits = change_submits or enable_events
        self.DragSubmits = drag_submits
        self.ClickPosition = (None, None)
        self.MouseButtonDown = False
        self.Images = []
        self.RightClickMenu = right_click_menu

        super().__init__(ELEM_TYPE_GRAPH, background_color=background_color, size=canvas_size, pad=pad, key=key,
                         tooltip=tooltip, visible=visible)
        return

    def _convert_xy_to_canvas_xy(self, x_in, y_in):
        if None in (x_in,y_in):
            return None, None
        scale_x = (self.CanvasSize[0] - 0) / (self.TopRight[0] - self.BottomLeft[0])
        scale_y = (0 - self.CanvasSize[1]) / (self.TopRight[1] - self.BottomLeft[1])
        new_x = 0 + scale_x * (x_in - self.BottomLeft[0])
        new_y = self.CanvasSize[1] + scale_y * (y_in - self.BottomLeft[1])
        return new_x, new_y


    def _convert_canvas_xy_to_xy(self, x_in, y_in):
        if None in (x_in,y_in):
            return None, None
        scale_x = (self.CanvasSize[0] - 0) / (self.TopRight[0] - self.BottomLeft[0])
        scale_y = (0 - self.CanvasSize[1]) / (self.TopRight[1] - self.BottomLeft[1])

        new_x = x_in/scale_x+self.BottomLeft[0]
        new_y = (y_in - self.CanvasSize[1]) / scale_y +  self.BottomLeft[1]
        return int(new_x), int(new_y)


    def DrawLine(self, point_from, point_to, color='black', width=1):
        if point_from == (None, None):
            return
        converted_point_from = self._convert_xy_to_canvas_xy(point_from[0], point_from[1])
        converted_point_to = self._convert_xy_to_canvas_xy(point_to[0], point_to[1])
        if self._TKCanvas2 is None:
            print('*** WARNING - The Graph element has not been finalized and cannot be drawn upon ***')
            print('Call Window.Finalize() prior to this operation')
            return None
        try:            # in case window was closed with an X
            id = self._TKCanvas2.create_line(converted_point_from, converted_point_to, width=width, fill=color)
        except:
            id = None
        return id


    def DrawPoint(self, point, size=2, color='black'):
        if point == (None, None):
            return
        converted_point = self._convert_xy_to_canvas_xy(point[0], point[1])
        if self._TKCanvas2 is None:
            print('*** WARNING - The Graph element has not been finalized and cannot be drawn upon ***')
            print('Call Window.Finalize() prior to this operation')
            return None
        try:            # needed in case window was closed with an X
            id =  self._TKCanvas2.create_oval(converted_point[0] - size, converted_point[1] - size,
                                           converted_point[0] + size, converted_point[1] + size, fill=color,
                                           outline=color)
        except:
            id = None
        return


    def DrawCircle(self, center_location, radius, fill_color=None, line_color='black'):
        if center_location == (None, None):
            return
        converted_point = self._convert_xy_to_canvas_xy(center_location[0], center_location[1])
        if self._TKCanvas2 is None:
            print('*** WARNING - The Graph element has not been finalized and cannot be drawn upon ***')
            print('Call Window.Finalize() prior to this operation')
            return None
        try:    # needed in case the window was closed with an X
            id = self._TKCanvas2.create_oval(converted_point[0] - radius, converted_point[1] - radius,
                                           converted_point[0] + radius, converted_point[1] + radius, fill=fill_color,
                                           outline=line_color)
        except:
            id = None
        return id

    def DrawOval(self, top_left, bottom_right, fill_color=None, line_color=None):
        converted_top_left = self._convert_xy_to_canvas_xy(top_left[0], top_left[1])
        converted_bottom_right = self._convert_xy_to_canvas_xy(bottom_right[0], bottom_right[1])
        if self._TKCanvas2 is None:
            print('*** WARNING - The Graph element has not been finalized and cannot be drawn upon ***')
            print('Call Window.Finalize() prior to this operation')
            return None
        try:            # in case windows close with X
            id = self._TKCanvas2.create_oval(converted_top_left[0], converted_top_left[1], converted_bottom_right[0],
                                           converted_bottom_right[1], fill=fill_color, outline=line_color)
        except:
            id = None

        return id

    def DrawArc(self, top_left, bottom_right, extent, start_angle, style=None, arc_color='black'):
        converted_top_left = self._convert_xy_to_canvas_xy(top_left[0], top_left[1])
        converted_bottom_right = self._convert_xy_to_canvas_xy(bottom_right[0], bottom_right[1])
        tkstyle = tk.PIESLICE if style is None else style
        if self._TKCanvas2 is None:
            print('*** WARNING - The Graph element has not been finalized and cannot be drawn upon ***')
            print('Call Window.Finalize() prior to this operation')
            return None
        try:            # in case closed with X
            id = self._TKCanvas2.create_arc(converted_top_left[0], converted_top_left[1], converted_bottom_right[0],
                                          converted_bottom_right[1], extent=extent, start=start_angle, style=tkstyle,
                                          outline=arc_color)
        except:
            id = None
        return id

    def DrawRectangle(self, top_left, bottom_right, fill_color=None, line_color=None):
        converted_top_left = self._convert_xy_to_canvas_xy(top_left[0], top_left[1])
        converted_bottom_right = self._convert_xy_to_canvas_xy(bottom_right[0], bottom_right[1])
        if self._TKCanvas2 is None:
            print('*** WARNING - The Graph element has not been finalized and cannot be drawn upon ***')
            print('Call Window.Finalize() prior to this operation')
            return None
        try:            # in case closed with X
            id = self._TKCanvas2.create_rectangle(converted_top_left[0], converted_top_left[1], converted_bottom_right[0],
                                                converted_bottom_right[1], fill=fill_color, outline=line_color)
        except:
            id = None
        return id


    def DrawText(self, text, location, color='black', font=None, angle=0):
        if location == (None, None):
            return
        converted_point = self._convert_xy_to_canvas_xy(location[0], location[1])
        if self._TKCanvas2 is None:
            print('*** WARNING - The Graph element has not been finalized and cannot be drawn upon ***')
            print('Call Window.Finalize() prior to this operation')
            return None
        try:  # in case closed with X
            id = self._TKCanvas2.create_text(converted_point[0], converted_point[1], text=text, font=font, fill=color,
                                              angle=angle)
        except:
            id = None
        return id


    def DrawImage(self, filename=None, data=None, location=(None, None), color='black', font=None, angle=0):
        if location == (None, None):
            return
        if filename is not None:
            image = tk.PhotoImage(file=filename)
        elif data is not None:
            # if type(data) is bytes:
            try:
                image = tk.PhotoImage(data=data)
            except:
                return  None # an error likely means the window has closed so exit
        converted_point = self._convert_xy_to_canvas_xy(location[0], location[1])
        if self._TKCanvas2 is None:
            print('*** WARNING - The Graph element has not been finalized and cannot be drawn upon ***')
            print('Call Window.Finalize() prior to this operation')
            return None
        self.Images.append(image)
        try:  # in case closed with X
            id = self._TKCanvas2.create_image(converted_point, image=image, anchor=tk.NW)
        except:
            id = None
        return id



    def Erase(self):
        if self._TKCanvas2 is None:
            print('*** WARNING - The Graph element has not been finalized and cannot be drawn upon ***')
            print('Call Window.Finalize() prior to this operation')
            return None
        try:            # in case window was closed with X
            self._TKCanvas2.delete('all')
        except:
            pass


    def DeleteFigure(self, id):
        try:
            self._TKCanvas2.delete(id)
        except:
            print('DeleteFigure - bad ID {}'.format(id))

    def Update(self, background_color, visible=None):
        if self._TKCanvas2 is None:
            print('*** WARNING - The Graph element has not been finalized and cannot be drawn upon ***')
            print('Call Window.Finalize() prior to this operation')
            return None
        self._TKCanvas2.configure(background=background_color)
        if visible is False:
            self._TKCanvas2.pack_forget()
        elif visible is True:
            self._TKCanvas2.pack()

    def Move(self, x_direction, y_direction):
        zero_converted = self._convert_xy_to_canvas_xy(0, 0)
        shift_converted = self._convert_xy_to_canvas_xy(x_direction, y_direction)
        shift_amount = (shift_converted[0] - zero_converted[0], shift_converted[1] - zero_converted[1])
        if self._TKCanvas2 is None:
            print('*** WARNING - The Graph element has not been finalized and cannot be drawn upon ***')
            print('Call Window.Finalize() prior to this operation')
            return None
        self._TKCanvas2.move('all', shift_amount[0], shift_amount[1])

    def MoveFigure(self, figure, x_direction, y_direction):
        zero_converted = self._convert_xy_to_canvas_xy(0, 0)
        shift_converted = self._convert_xy_to_canvas_xy(x_direction, y_direction)
        shift_amount = (shift_converted[0] - zero_converted[0], shift_converted[1] - zero_converted[1])
        if figure is None:
            print('*** WARNING - Your figure is None. It most likely means your did not Finalize your Window ***')
            print('Call Window.Finalize() prior to all graph operations')
            return None
        self._TKCanvas2.move(figure, shift_amount[0], shift_amount[1])

    @property
    def TKCanvas(self):
        if self._TKCanvas2 is None:
            print('*** Did you forget to call Finalize()? Your code should look something like: ***')
            print('*** form = sg.Window("My Form").Layout(layout).Finalize() ***')
        return self._TKCanvas2

    # Realtime button release callback
    def ButtonReleaseCallBack(self, event):
        self.ClickPosition = (None, None)
        self.LastButtonClickedWasRealtime = not self.DragSubmits
        if self.Key is not None:
            self.ParentForm.LastButtonClicked = self.Key
        else:
            self.ParentForm.LastButtonClicked = '__GRAPH__'     # need to put something rather than None
        if self.ParentForm.CurrentlyRunningMainloop:
            self.ParentForm.TKroot.quit()
        if self.DragSubmits:
            self.ParentForm.LastButtonClicked = None
        self.MouseButtonDown = False


    # Realtime button callback
    def ButtonPressCallBack(self, event):
        self.ClickPosition = self._convert_canvas_xy_to_xy(event.x, event.y)
        self.ParentForm.LastButtonClickedWasRealtime = self.DragSubmits
        if self.Key is not None:
            self.ParentForm.LastButtonClicked = self.Key
        else:
            self.ParentForm.LastButtonClicked = '__GRAPH__'     # need to put something rather than None
        if self.ParentForm.CurrentlyRunningMainloop:
            self.ParentForm.TKroot.quit()           # kick out of loop if read was called
        self.MouseButtonDown = True


    # Realtime button callback
    def MotionCallBack(self, event):
        if not self.MouseButtonDown:
            return
        self.ClickPosition = self._convert_canvas_xy_to_xy(event.x, event.y)
        self.ParentForm.LastButtonClickedWasRealtime = self.DragSubmits
        if self.Key is not None:
            self.ParentForm.LastButtonClicked = self.Key
        else:
            self.ParentForm.LastButtonClicked = '__GRAPH__'     # need to put something rather than None
        if self.ParentForm.CurrentlyRunningMainloop:
            self.ParentForm.TKroot.quit()           # kick out of loop if read was called




    def __del__(self):
        super().__del__()


# ---------------------------------------------------------------------- #
#                           Frame                                        #
# ---------------------------------------------------------------------- #
class Frame(Element):
    def __init__(self, title, layout, title_color=None, background_color=None, title_location=None,
                 relief=DEFAULT_FRAME_RELIEF, size=(None, None), font=None, pad=None, border_width=None, key=None,
                 tooltip=None, right_click_menu=None, visible=True):
        '''
        Frame
        :param title:
        :param layout:
        :param title_color:
        :param background_color:
        :param title_location:
        :param relief:
        :param size:
        :param font:
        :param pad:
        :param border_width:
        :param key:
        :param tooltip:
        :param right_click_menu:
        :param visible:
        '''
        self.UseDictionary = False
        self.ReturnValues = None
        self.ReturnValuesList = []
        self.ReturnValuesDictionary = {}
        self.DictionaryKeyCounter = 0
        self.ParentWindow = None
        self.Rows = []
        # self.ParentForm = None
        self.TKFrame = None
        self.Title = title
        self.Relief = relief
        self.TitleLocation = title_location
        self.BorderWidth = border_width
        self.BackgroundColor = background_color if background_color is not None else DEFAULT_BACKGROUND_COLOR
        self.RightClickMenu = right_click_menu
        self.Layout(layout)

        super().__init__(ELEM_TYPE_FRAME, background_color=background_color, text_color=title_color, size=size,
                         font=font, pad=pad, key=key, tooltip=tooltip, visible=visible)
        return

    def AddRow(self, *args):
        ''' Parms are a variable number of Elements '''
        NumRows = len(self.Rows)  # number of existing rows is our row number
        CurrentRowNumber = NumRows  # this row's number
        CurrentRow = []  # start with a blank row and build up
        # -------------------------  Add the elements to a row  ------------------------- #
        for i, element in enumerate(args):  # Loop through list of elements and add them to the row
            element.Position = (CurrentRowNumber, i)
            element.ParentContainer = self
            CurrentRow.append(element)
            if element.Key is not None:
                self.UseDictionary = True
        # -------------------------  Append the row to list of Rows  ------------------------- #
        self.Rows.append(CurrentRow)

    def Layout(self, rows):
        for row in rows:
            self.AddRow(*row)

    def _GetElementAtLocation(self, location):
        (row_num, col_num) = location
        row = self.Rows[row_num]
        element = row[col_num]
        return element


    def Update(self, visible=None):
        if visible is False:
            self.TKFrame.pack_forget()
        elif visible is True:
            self.TKFrame.pack()


    def __del__(self):
        for row in self.Rows:
            for element in row:
                element.__del__()
        super().__del__()


# ---------------------------------------------------------------------- #
#                           Separator                                    #
#  Routes stdout, stderr to a scrolled window                            #
# ---------------------------------------------------------------------- #
class VerticalSeparator(Element):
    def __init__(self, pad=None):
        '''
        VerticalSeperator - A separator that spans only 1 row in a vertical fashion
        :param pad:
        '''
        self.Orientation = 'vertical'  # for now only vertical works

        super().__init__(ELEM_TYPE_SEPARATOR, pad=pad)

    def __del__(self):
        super().__del__()


VSeperator = VerticalSeparator
VSep = VerticalSeparator


# ---------------------------------------------------------------------- #
#                           Tab                                          #
# ---------------------------------------------------------------------- #
class Tab(Element):
    def __init__(self, title, layout, title_color=None, background_color=None, font=None, pad=None, disabled=False,
                 border_width=None, key=None, tooltip=None, right_click_menu=None, visible=True):
        '''
        Tab
        :param title:
        :param layout:
        :param title_color:
        :param background_color:
        :param font:
        :param pad:
        :param disabled:
        :param border_width:
        :param key:
        :param tooltip:
        :param right_click_menu:
        :param visible:
        '''
        self.UseDictionary = False
        self.ReturnValues = None
        self.ReturnValuesList = []
        self.ReturnValuesDictionary = {}
        self.DictionaryKeyCounter = 0
        self.ParentWindow = None
        self.Rows = []
        self.TKFrame = None
        self.Title = title
        self.BorderWidth = border_width
        self.Disabled = disabled
        self.ParentNotebook = None
        self.TabID = None
        self.BackgroundColor = background_color if background_color is not None else DEFAULT_BACKGROUND_COLOR
        self.RightClickMenu = right_click_menu

        self.Layout(layout)

        super().__init__(ELEM_TYPE_TAB, background_color=background_color, text_color=title_color, font=font, pad=pad,
                         key=key, tooltip=tooltip, visible=visible)
        return

    def AddRow(self, *args):
        ''' Parms are a variable number of Elements '''
        NumRows = len(self.Rows)  # number of existing rows is our row number
        CurrentRowNumber = NumRows  # this row's number
        CurrentRow = []  # start with a blank row and build up
        # -------------------------  Add the elements to a row  ------------------------- #
        for i, element in enumerate(args):  # Loop through list of elements and add them to the row
            element.Position = (CurrentRowNumber, i)
            element.ParentContainer = self
            CurrentRow.append(element)
            if element.Key is not None:
                self.UseDictionary = True
        # -------------------------  Append the row to list of Rows  ------------------------- #
        self.Rows.append(CurrentRow)

    def Layout(self, rows):
        for row in rows:
            self.AddRow(*row)
        return self

    def Update(self, disabled=None, visible=None):  # TODO Disable / enable of tabs is not complete
        if disabled is None:
            return
        self.Disabled = disabled
        state = 'disabled' if disabled is True else 'normal'
        self.ParentNotebook.tab(self.TabID, state=state)
        if visible is False:
            self.ParentNotebook.pack_forget()
        elif visible is True:
            self.ParentNotebook.pack()
        return self

    def _GetElementAtLocation(self, location):
        (row_num, col_num) = location
        row = self.Rows[row_num]
        element = row[col_num]
        return element

    def __del__(self):
        for row in self.Rows:
            for element in row:
                element.__del__()
        super().__del__()


# ---------------------------------------------------------------------- #
#                           TabGroup                                     #
# ---------------------------------------------------------------------- #
class TabGroup(Element):
    def __init__(self, layout, tab_location=None, title_color=None, selected_title_color=None, background_color=None,
                 font=None, change_submits=False, enable_events=False,pad=None, border_width=None, theme=None, key=None, tooltip=None, visible=True):
        '''
        TabGroup
        :param layout:
        :param tab_location:
        :param title_color:
        :param selected_title_color:
        :param background_color:
        :param font:
        :param change_submits:
        :param enable_events:
        :param pad:
        :param border_width:
        :param theme:
        :param key:
        :param tooltip:
        :param visible:
        '''
        self.UseDictionary = False
        self.ReturnValues = None
        self.ReturnValuesList = []
        self.ReturnValuesDictionary = {}
        self.DictionaryKeyCounter = 0
        self.ParentWindow = None
        self.SelectedTitleColor = selected_title_color
        self.Rows = []
        self.TKNotebook = None
        self.TabCount = 0
        self.BorderWidth = border_width
        self.Theme = theme
        self.BackgroundColor = background_color if background_color is not None else DEFAULT_BACKGROUND_COLOR
        self.ChangeSubmits = change_submits or enable_events
        self.TabLocation = tab_location

        self.Layout(layout)

        super().__init__(ELEM_TYPE_TAB_GROUP, background_color=background_color, text_color=title_color, font=font,
                         pad=pad, key=key, tooltip=tooltip, visible=visible)
        return

    def AddRow(self, *args):
        ''' Parms are a variable number of Elements '''
        NumRows = len(self.Rows)  # number of existing rows is our row number
        CurrentRowNumber = NumRows  # this row's number
        CurrentRow = []  # start with a blank row and build up
        # -------------------------  Add the elements to a row  ------------------------- #
        for i, element in enumerate(args):  # Loop through list of elements and add them to the row
            element.Position = (CurrentRowNumber, i)
            element.ParentContainer = self
            CurrentRow.append(element)
            if element.Key is not None:
                self.UseDictionary = True
        # -------------------------  Append the row to list of Rows  ------------------------- #
        self.Rows.append(CurrentRow)

    def Layout(self, rows):
        for row in rows:
            self.AddRow(*row)

    def _GetElementAtLocation(self, location):
        (row_num, col_num) = location
        row = self.Rows[row_num]
        element = row[col_num]
        return element

    def FindKeyFromTabName(self, tab_name):
        for row in self.Rows:
            for element in row:
                if element.Title == tab_name:
                    return element.Key
        return None

    def __del__(self):
        for row in self.Rows:
            for element in row:
                element.__del__()
        super().__del__()


# ---------------------------------------------------------------------- #
#                           Slider                                       #
# ---------------------------------------------------------------------- #
class Slider(Element):
    def __init__(self, range=(None, None), default_value=None, resolution=None, tick_interval=None, orientation=None, disable_number_display=False, border_width=None, relief=None, change_submits=False, enable_events=False, disabled=False, size=(None, None), font=None, background_color=None, text_color=None, key=None, pad=None, tooltip=None, visible=True):
        '''
        Slider
        :param range:
        :param default_value:
        :param resolution:
        :param tick_interval:
        :param orientation:
        :param disable_number_display:
        :param border_width:
        :param relief:
        :param change_submits:
        :param enable_events:
        :param disabled:
        :param size:
        :param font:
        :param background_color:
        :param text_color:
        :param key:
        :param pad:
        :param tooltip:
        :param visible:
        '''
        self.TKScale = None
        self.Range = (1, 10) if range == (None, None) else range
        self.DefaultValue = self.Range[0] if default_value is None else default_value
        self.Orientation = orientation if orientation else DEFAULT_SLIDER_ORIENTATION
        self.BorderWidth = border_width if border_width else DEFAULT_SLIDER_BORDER_WIDTH
        self.Relief = relief if relief else DEFAULT_SLIDER_RELIEF
        self.Resolution = 1 if resolution is None else resolution
        self.ChangeSubmits = change_submits or enable_events
        self.Disabled = disabled
        self.TickInterval = tick_interval
        self.DisableNumericDisplay = disable_number_display
        temp_size = size
        if temp_size == (None, None):
            temp_size = (20, 20) if self.Orientation.startswith('h') else (8, 20)

        super().__init__(ELEM_TYPE_INPUT_SLIDER, size=temp_size, font=font, background_color=background_color,
                         text_color=text_color, key=key, pad=pad, tooltip=tooltip, visible=visible)
        return

    def Update(self, value=None, range=(None, None), disabled=None, visible=None):
        if value is not None:
            try:
                self.TKIntVar.set(value)
                if range != (None, None):
                    self.TKScale.config(from_=range[0], to_=range[1])
            except:
                pass
            self.DefaultValue = value
        if disabled == True:
            self.TKScale['state'] = 'disabled'
        elif disabled == False:
            self.TKScale['state'] = 'normal'
        if visible is False:
            self.TKScale.pack_forget()
        elif visible is True:
            self.TKScale.pack()

    def SliderChangedHandler(self, event):
        # first, get the results table built
        # modify the Results table in the parent FlexForm object
        if self.Key is not None:
            self.ParentForm.LastButtonClicked = self.Key
        else:
            self.ParentForm.LastButtonClicked = ''
        self.ParentForm.FormRemainedOpen = True
        if self.ParentForm.CurrentlyRunningMainloop:
            self.ParentForm.TKroot.quit()  # kick the users out of the mainloop

    def __del__(self):
        super().__del__()


# ---------------------------------------------------------------------- #
#                          TkScrollableFrame (Used by Column)            #
# ---------------------------------------------------------------------- #
class TkFixedFrame(tk.Frame):
    def __init__(self, master, **kwargs):
        tk.Frame.__init__(self, master, **kwargs)

        self.canvas = tk.Canvas(self)

        self.canvas.pack(side="left", fill="both", expand=True)

        # reset the view
        self.canvas.xview_moveto(0)
        self.canvas.yview_moveto(0)

        # create a frame inside the canvas which will be scrolled with it
        self.TKFrame = tk.Frame(self.canvas, **kwargs)
        self.frame_id = self.canvas.create_window(0, 0, window=self.TKFrame, anchor="nw")
        self.canvas.config(borderwidth=0, highlightthickness=0)
        self.TKFrame.config(borderwidth=0, highlightthickness=0)
        self.config(borderwidth=0, highlightthickness=0)



# ---------------------------------------------------------------------- #
#                          TkScrollableFrame (Used by Column)            #
# ---------------------------------------------------------------------- #
class TkScrollableFrame(tk.Frame):
    def __init__(self, master, vertical_only, **kwargs):
        tk.Frame.__init__(self, master, **kwargs)

        # create a canvas object and a vertical scrollbar for scrolling it
        self.vscrollbar = tk.Scrollbar(self, orient=tk.VERTICAL)
        self.vscrollbar.pack(side='right', fill="y", expand="false")

        if not vertical_only:
            self.hscrollbar = tk.Scrollbar(self, orient=tk.HORIZONTAL)
            self.hscrollbar.pack(side='bottom', fill="x", expand="false")
            self.canvas = tk.Canvas(self, yscrollcommand=self.vscrollbar.set, xscrollcommand=self.hscrollbar.set)
        else:
            self.canvas = tk.Canvas(self, yscrollcommand=self.vscrollbar.set)

        self.canvas.pack(side="left", fill="both", expand=True)

        self.vscrollbar.config(command=self.canvas.yview)
        if not vertical_only:
            self.hscrollbar.config(command=self.canvas.xview)

        # reset the view
        self.canvas.xview_moveto(0)
        self.canvas.yview_moveto(0)

        # create a frame inside the canvas which will be scrolled with it
        self.TKFrame = tk.Frame(self.canvas, **kwargs)
        self.frame_id = self.canvas.create_window(0, 0, window=self.TKFrame, anchor="nw")
        self.canvas.config(borderwidth=0, highlightthickness=0)
        self.TKFrame.config(borderwidth=0, highlightthickness=0)
        self.config(borderwidth=0, highlightthickness=0)

        # scrollbar = tk.Scrollbar(frame)
        # scrollbar.pack(side=tk.RIGHT, fill='y')
        # scrollbar.config(command=treeview.yview)
        # self.vscrollbar.config(command=self.TKFrame.yview)
        # self.TKFrame.configure(yscrollcommand=self.vscrollbar.set)

        self.bind('<Configure>', self.set_scrollregion)

        self.bind_mouse_scroll(self.canvas, self.yscroll)
        if not vertical_only:
            self.bind_mouse_scroll(self.hscrollbar, self.xscroll)
        self.bind_mouse_scroll(self.vscrollbar, self.yscroll)

    def resize_frame(self, e):
        self.canvas.itemconfig(self.frame_id, height=e.height, width=e.width)

    def yscroll(self, event):
        if event.num == 5 or event.delta < 0:
            self.canvas.yview_scroll(1, "unit")
        elif event.num == 4 or event.delta > 0:
            self.canvas.yview_scroll(-1, "unit")

    def xscroll(self, event):
        if event.num == 5 or event.delta < 0:
            self.canvas.xview_scroll(1, "unit")
        elif event.num == 4 or event.delta > 0:
            self.canvas.xview_scroll(-1, "unit")

    def bind_mouse_scroll(self, parent, mode):
        # ~~ Windows only
        parent.bind("<MouseWheel>", mode)
        # ~~ Unix only
        parent.bind("<Button-4>", mode)
        parent.bind("<Button-5>", mode)

    def set_scrollregion(self, event=None):
        """ Set the scroll region on the canvas"""
        self.canvas.configure(scrollregion=self.canvas.bbox('all'))


# ---------------------------------------------------------------------- #
#                           Column                                       #
# ---------------------------------------------------------------------- #
class Column(Element):
    def __init__(self, layout, background_color=None, size=(None, None), pad=None, scrollable=False, vertical_scroll_only=False, right_click_menu=None, key=None, visible=True):
        '''
        Column
        :param layout:
        :param background_color:
        :param size:
        :param pad:
        :param scrollable:
        :param vertical_scroll_only:
        :param right_click_menu:
        :param key:
        :param visible:
        '''
        self.UseDictionary = False
        self.ReturnValues = None
        self.ReturnValuesList = []
        self.ReturnValuesDictionary = {}
        self.DictionaryKeyCounter = 0
        self.ParentWindow = None
        self.ParentPanedWindow = None
        self.Rows = []
        self.TKFrame = None
        self.TKColFrame = None
        self.Scrollable = scrollable
        self.VerticalScrollOnly = vertical_scroll_only
        self.RightClickMenu = right_click_menu
        bg = background_color if background_color is not None else DEFAULT_BACKGROUND_COLOR


        self.Layout(layout)

        super().__init__(ELEM_TYPE_COLUMN, background_color=bg, size=size, pad=pad, key=key, visible=visible)
        return


    def AddRow(self, *args):
        ''' Parms are a variable number of Elements '''
        NumRows = len(self.Rows)  # number of existing rows is our row number
        CurrentRowNumber = NumRows  # this row's number
        CurrentRow = []  # start with a blank row and build up
        # -------------------------  Add the elements to a row  ------------------------- #
        for i, element in enumerate(args):  # Loop through list of elements and add them to the row
            element.Position = (CurrentRowNumber, i)
            element.ParentContainer = self
            CurrentRow.append(element)
            if element.Key is not None:
                self.UseDictionary = True
        # -------------------------  Append the row to list of Rows  ------------------------- #
        self.Rows.append(CurrentRow)

    def Layout(self, rows):
        for row in rows:
            self.AddRow(*row)

    def _GetElementAtLocation(self, location):
        (row_num, col_num) = location
        row = self.Rows[row_num]
        element = row[col_num]
        return element

    def Update(self, visible=None):
        if visible is False:
            if self.TKColFrame:
                self.TKColFrame.pack_forget()
            if self.ParentPanedWindow:
                self.ParentPanedWindow.remove(self.TKColFrame)
        elif visible is True:
            if self.TKColFrame:
                self.TKColFrame.pack()
            if self.ParentPanedWindow:
                self.ParentPanedWindow.add(self.TKColFrame)


    def __del__(self):
        for row in self.Rows:
            for element in row:
                element.__del__()
        try:
            del (self.TKFrame)
        except:
            pass
        super().__del__()


# ---------------------------------------------------------------------- #
#                           Pane                                       #
# ---------------------------------------------------------------------- #
class Pane(Element):
    def __init__(self, pane_list, background_color=None, size=(None, None), pad=None, orientation='vertical', show_handle=True, relief=RELIEF_RAISED, handle_size=None, border_width=None, key=None, visible=True):
        '''
        Pane
        :param pane_list:
        :param background_color:
        :param size:
        :param pad:
        :param orientation:
        :param show_handle:
        :param relief:
        :param handle_size:
        :param border_width:
        :param key:
        :param visible:
        '''
        self.UseDictionary = False
        self.ReturnValues = None
        self.ReturnValuesList = []
        self.ReturnValuesDictionary = {}
        self.DictionaryKeyCounter = 0
        self.ParentWindow = None
        self.Rows = []
        self.TKFrame = None
        self.PanedWindow = None
        self.Orientation = orientation
        self.PaneList = pane_list
        self.ShowHandle = show_handle
        self.Relief = relief
        self.HandleSize =  handle_size or 8
        self.BorderDepth = border_width
        bg = background_color if background_color is not None else DEFAULT_BACKGROUND_COLOR

        self.Rows = [pane_list]

        super().__init__(ELEM_TYPE_PANE, background_color=bg, size=size, pad=pad, key=key, visible=visible)
        return


    def Update(self, visible=None):
        if visible is False:
            self.PanedWindow.pack_forget()
        elif visible is True:
            self.PanedWindow.pack()



# ---------------------------------------------------------------------- #
#                           Calendar                                     #
# ---------------------------------------------------------------------- #
class TKCalendar(ttk.Frame):
    """
    This code was shamelessly lifted from moshekaplan's repository - moshekaplan/tkinter_components
    """
    # XXX ToDo: cget and configure

    datetime = calendar.datetime.datetime
    timedelta = calendar.datetime.timedelta

    def __init__(self, master=None, target_element=None, close_when_chosen=True, default_date=(None, None, None), **kw):
        """
        WIDGET-SPECIFIC OPTIONS

            locale, firstweekday, year, month, selectbackground,
            selectforeground
        """
        self._TargetElement = target_element
        default_mon, default_day, default_year = default_date
        # remove custom options from kw before initializating ttk.Frame
        fwday = kw.pop('firstweekday', calendar.MONDAY)
        year = kw.pop('year', default_year or self.datetime.now().year)
        month = kw.pop('month', default_mon or self.datetime.now().month)
        locale = kw.pop('locale', None)
        sel_bg = kw.pop('selectbackground', '#ecffc4')
        sel_fg = kw.pop('selectforeground', '#05640e')

        self._date = self.datetime(year, month, default_day or 1)
        self._selection = None  # no date selected
        self._master = master
        self.close_when_chosen = close_when_chosen
        ttk.Frame.__init__(self, master, **kw)

        # instantiate proper calendar class
        if locale is None:
            self._cal = calendar.TextCalendar(fwday)
        else:
            self._cal = calendar.LocaleTextCalendar(fwday, locale)

        self.__setup_styles()  # creates custom styles
        self.__place_widgets()  # pack/grid used widgets
        self.__config_calendar()  # adjust calendar columns and setup tags
        # configure a canvas, and proper bindings, for selecting dates
        self.__setup_selection(sel_bg, sel_fg)

        # store items ids, used for insertion later
        self._items = [self._calendar.insert('', 'end', values='')
                       for _ in range(6)]
        # insert dates in the currently empty calendar
        self._build_calendar()

    def __setitem__(self, item, value):
        if item in ('year', 'month'):
            raise AttributeError("attribute '%s' is not writeable" % item)
        elif item == 'selectbackground':
            self._canvas['background'] = value
        elif item == 'selectforeground':
            self._canvas.itemconfigure(self._canvas.text, item=value)
        else:
            ttk.Frame.__setitem__(self, item, value)

    def __getitem__(self, item):
        if item in ('year', 'month'):
            return getattr(self._date, item)
        elif item == 'selectbackground':
            return self._canvas['background']
        elif item == 'selectforeground':
            return self._canvas.itemcget(self._canvas.text, 'fill')
        else:
            r = ttk.tclobjs_to_py({item: ttk.Frame.__getitem__(self, item)})
            return r[item]

    def __setup_styles(self):
        # custom ttk styles
        style = ttk.Style(self.master)
        arrow_layout = lambda dir: (
            [('Button.focus', {'children': [('Button.%sarrow' % dir, None)]})]
        )
        style.layout('L.TButton', arrow_layout('left'))
        style.layout('R.TButton', arrow_layout('right'))

    def __place_widgets(self):
        # header frame and its widgets
        hframe = ttk.Frame(self)
        lbtn = ttk.Button(hframe, style='L.TButton', command=self._prev_month)
        rbtn = ttk.Button(hframe, style='R.TButton', command=self._next_month)
        self._header = ttk.Label(hframe, width=15, anchor='center')
        # the calendar
        self._calendar = ttk.Treeview(self, show='', selectmode='none', height=7)

        # pack the widgets
        hframe.pack(in_=self, side='top', pady=4, anchor='center')
        lbtn.grid(in_=hframe)
        self._header.grid(in_=hframe, column=1, row=0, padx=12)
        rbtn.grid(in_=hframe, column=2, row=0)
        self._calendar.pack(in_=self, expand=1, fill='both', side='bottom')

    def __config_calendar(self):
        cols = self._cal.formatweekheader(3).split()
        self._calendar['columns'] = cols
        self._calendar.tag_configure('header', background='grey90')
        self._calendar.insert('', 'end', values=cols, tag='header')
        # adjust its columns width
        font = tkinter.font.Font()
        maxwidth = max(font.measure(col) for col in cols)
        for col in cols:
            self._calendar.column(col, width=maxwidth, minwidth=maxwidth,
                                  anchor='e')

    def __setup_selection(self, sel_bg, sel_fg):
        self._font = tkinter.font.Font()
        self._canvas = canvas = tk.Canvas(self._calendar,
                                          background=sel_bg, borderwidth=0, highlightthickness=0)
        canvas.text = canvas.create_text(0, 0, fill=sel_fg, anchor='w')

        canvas.bind('<ButtonPress-1>', lambda evt: canvas.place_forget())
        self._calendar.bind('<Configure>', lambda evt: canvas.place_forget())
        self._calendar.bind('<ButtonPress-1>', self._pressed)

    def __minsize(self, evt):
        width, height = self._calendar.master.geometry().split('x')
        height = height[:height.index('+')]
        self._calendar.master.minsize(width, height)

    def _build_calendar(self):
        year, month = self._date.year, self._date.month

        # update header text (Month, YEAR)
        header = self._cal.formatmonthname(year, month, 0)
        self._header['text'] = header.title()

        # update calendar shown dates
        cal = self._cal.monthdayscalendar(year, month)
        for indx, item in enumerate(self._items):
            week = cal[indx] if indx < len(cal) else []
            fmt_week = [('%02d' % day) if day else '' for day in week]
            self._calendar.item(item, values=fmt_week)

    def _show_selection(self, text, bbox):
        """Configure canvas for a new selection."""
        x, y, width, height = bbox

        textw = self._font.measure(text)

        canvas = self._canvas
        canvas.configure(width=width, height=height)
        canvas.coords(canvas.text, width - textw, height / 2 - 1)
        canvas.itemconfigure(canvas.text, text=text)
        canvas.place(in_=self._calendar, x=x, y=y)

    # Callbacks

    def _pressed(self, evt):
        """Clicked somewhere in the calendar."""
        x, y, widget = evt.x, evt.y, evt.widget
        item = widget.identify_row(y)
        column = widget.identify_column(x)

        if not column or not item in self._items:
            # clicked in the weekdays row or just outside the columns
            return

        item_values = widget.item(item)['values']
        if not len(item_values):  # row is empty for this month
            return

        text = item_values[int(column[1]) - 1]
        if not text:  # date is empty
            return

        bbox = widget.bbox(item, column)
        if not bbox:  # calendar not visible yet
            return

        # update and then show selection
        text = '%02d' % text
        self._selection = (text, item, column)
        self._show_selection(text, bbox)
        year, month = self._date.year, self._date.month
        try:
            self._TargetElement.Update(self.datetime(year, month, int(self._selection[0])))
            if self._TargetElement.ChangeSubmits:
                self._TargetElement.ParentForm.LastButtonClicked = self._TargetElement.Key
                self._TargetElement.ParentForm.FormRemainedOpen = True
                self._TargetElement.ParentForm.TKroot.quit()  # kick the users out of the mainloop
        except:
            pass
        if self.close_when_chosen:
            self._master.destroy()

    def _prev_month(self):
        """Updated calendar to show the previous month."""
        self._canvas.place_forget()

        self._date = self._date - self.timedelta(days=1)
        self._date = self.datetime(self._date.year, self._date.month, 1)
        self._build_calendar()  # reconstuct calendar

    def _next_month(self):
        """Update calendar to show the next month."""
        self._canvas.place_forget()

        year, month = self._date.year, self._date.month
        self._date = self._date + self.timedelta(
            days=calendar.monthrange(year, month)[1] + 1)
        self._date = self.datetime(self._date.year, self._date.month, 1)
        self._build_calendar()  # reconstruct calendar

    # Properties

    @property
    def selection(self):
        """Return a datetime representing the current selected date."""
        if not self._selection:
            return None

        year, month = self._date.year, self._date.month
        return self.datetime(year, month, int(self._selection[0]))


# ---------------------------------------------------------------------- #
#                           Menu                                       #
# ---------------------------------------------------------------------- #
class Menu(Element):
    def __init__(self, menu_definition, background_color=None, size=(None, None), tearoff=False, pad=None, key=None, visible=True):
        '''
        Menu
        :param menu_definition:
        :param background_color:
        :param size:
        :param tearoff:
        :param pad:
        :param key:
        :param visible:
        '''
        self.BackgroundColor = background_color if background_color is not None else DEFAULT_BACKGROUND_COLOR
        self.MenuDefinition = menu_definition
        self.TKMenu = None
        self.Tearoff = tearoff
        self.MenuItemChosen = None

        super().__init__(ELEM_TYPE_MENUBAR, background_color=background_color, size=size, pad=pad, key=key, visible=visible)
        return

    def MenuItemChosenCallback(self, item_chosen):              # Menu Menu Item Chosen Callback
        # print('IN MENU ITEM CALLBACK', item_chosen)
        self.MenuItemChosen = item_chosen
        self.ParentForm.LastButtonClicked = item_chosen
        self.ParentForm.FormRemainedOpen = True
        if self.ParentForm.CurrentlyRunningMainloop:
            self.ParentForm.TKroot.quit()  # kick the users out of the mainloop


    def Update(self, menu_definition, visible=None):
        self.MenuDefinition = menu_definition
        self.TKMenu = tk.Menu(self.ParentForm.TKroot, tearoff=self.Tearoff)  # create the menubar
        menubar = self.TKMenu
        for menu_entry in menu_definition:
            # print(f'Adding a Menubar ENTRY {menu_entry}')
            baritem = tk.Menu(menubar, tearoff=self.Tearoff)
            pos = menu_entry[0].find('&')
            # print(pos)
            if pos != -1:
                if pos == 0 or menu_entry[0][pos - 1] != "\\":
                    menu_entry[0] = menu_entry[0][:pos] + menu_entry[0][pos + 1:]
            if menu_entry[0][0] == MENU_DISABLED_CHARACTER:
                menubar.add_cascade(label=menu_entry[0][len(MENU_DISABLED_CHARACTER):], menu=baritem, underline=pos)
                menubar.entryconfig(menu_entry[0][len(MENU_DISABLED_CHARACTER):], state='disabled')
            else:
                menubar.add_cascade(label=menu_entry[0], menu=baritem, underline=pos)

            if len(menu_entry) > 1:
                AddMenuItem(baritem, menu_entry[1], self)
        self.ParentForm.TKroot.configure(menu=self.TKMenu)
        #TODO add visible code for menus
    def __del__(self):
        super().__del__()

MenuBar = Menu          # another name for Menu to make it clear it's the Menu Bar

# ---------------------------------------------------------------------- #
#                           Table                                        #
# ---------------------------------------------------------------------- #
class Table(Element):
    def __init__(self, values, headings=None, visible_column_map=None, col_widths=None, def_col_width=10,
                 auto_size_columns=True, max_col_width=20, select_mode=None, display_row_numbers=False, num_rows=None, row_height=None, font=None, justification='right', text_color=None, background_color=None, alternating_row_color=None, row_colors=None, vertical_scroll_only=True,
                 size=(None, None), change_submits=False, enable_events=False, bind_return_key=False, pad=None, key=None, tooltip=None, right_click_menu=None, visible=True):
        '''
        Table
        :param values:
        :param headings:
        :param visible_column_map:
        :param col_widths:
        :param def_col_width:
        :param auto_size_columns:
        :param max_col_width:
        :param select_mode:
        :param display_row_numbers:
        :param num_rows:
        :param row_height:
        :param font:
        :param justification:
        :param text_color:
        :param background_color:
        :param alternating_row_color:
        :param size:
        :param change_submits:
        :param enable_events:
        :param bind_return_key:
        :param pad:
        :param key:
        :param tooltip:
        :param right_click_menu:
        :param visible:
        '''
        self.Values = values
        self.ColumnHeadings = headings
        self.ColumnsToDisplay = visible_column_map
        self.ColumnWidths = col_widths
        self.MaxColumnWidth = max_col_width
        self.DefaultColumnWidth = def_col_width
        self.AutoSizeColumns = auto_size_columns
        self.BackgroundColor = background_color if background_color is not None else DEFAULT_BACKGROUND_COLOR
        self.TextColor = text_color
        self.Justification = justification
        self.InitialState = None
        self.SelectMode = select_mode
        self.DisplayRowNumbers = display_row_numbers
        self.NumRows = num_rows if num_rows is not None else size[1]
        self.RowHeight = row_height
        self.TKTreeview = None
        self.AlternatingRowColor = alternating_row_color
        self.VerticalScrollOnly = vertical_scroll_only
        self.SelectedRows = []
        self.ChangeSubmits = change_submits or enable_events
        self.BindReturnKey = bind_return_key
        self.StartingRowNumber = 0                  # When displaying row numbers, where to start
        self.RowHeaderText = 'Row'
        self.RightClickMenu = right_click_menu
        self.RowColors = row_colors

        super().__init__(ELEM_TYPE_TABLE, text_color=text_color, background_color=background_color, font=font,
                         size=size, pad=pad, key=key, tooltip=tooltip, visible=visible)
        return

    def Update(self, values=None, num_rows=None, visible=None):
        if values is not None:
            children = self.TKTreeview.get_children()
            for i in children:
                self.TKTreeview.detach(i)
                self.TKTreeview.delete(i)
            children = self.TKTreeview.get_children()
            # self.TKTreeview.delete(*self.TKTreeview.get_children())
            for i, value in enumerate(values):
                if self.DisplayRowNumbers:
                    value = [i+self.StartingRowNumber] + value
                id = self.TKTreeview.insert('', 'end', text=i, iid=i + 1, values=value, tag=i % 2)
            if self.AlternatingRowColor is not None:
                self.TKTreeview.tag_configure(1, background=self.AlternatingRowColor)
            self.Values = values
            self.SelectedRows = []
        if visible is False:
            self.TKTreeview.pack_forget()
        elif visible is True:
            self.TKTreeview.pack()
        if num_rows is not None:
            self.TKTreeview.config(height=num_rows)


    def treeview_selected(self, event):
        selections = self.TKTreeview.selection()
        self.SelectedRows = [int(x) - 1 for x in selections]
        if self.ChangeSubmits:
            MyForm = self.ParentForm
            if self.Key is not None:
                self.ParentForm.LastButtonClicked = self.Key
            else:
                self.ParentForm.LastButtonClicked = ''
            self.ParentForm.FormRemainedOpen = True
            if self.ParentForm.CurrentlyRunningMainloop:
                self.ParentForm.TKroot.quit()


    def treeview_double_click(self, event):
        selections = self.TKTreeview.selection()
        self.SelectedRows = [int(x) - 1 for x in selections]
        if self.BindReturnKey:
            MyForm = self.ParentForm
            if self.Key is not None:
                self.ParentForm.LastButtonClicked = self.Key
            else:
                self.ParentForm.LastButtonClicked = ''
            self.ParentForm.FormRemainedOpen = True
            if self.ParentForm.CurrentlyRunningMainloop:
                self.ParentForm.TKroot.quit()


    def __del__(self):
        super().__del__()


# ---------------------------------------------------------------------- #
#                           Tree                                         #
# ---------------------------------------------------------------------- #
class Tree(Element):
    def __init__(self, data=None, headings=None, visible_column_map=None, col_widths=None, col0_width=10,
                 def_col_width=10, auto_size_columns=True, max_col_width=20, select_mode=None, show_expanded=False, change_submits=False, enable_events=False, font=None, justification='right', text_color=None, background_color=None, num_rows=None, row_height=None, pad=None, key=None, tooltip=None,right_click_menu=None, visible=True):
        '''
        Tree
        :param data:
        :param headings:
        :param visible_column_map:
        :param col_widths:
        :param col0_width:
        :param def_col_width:
        :param auto_size_columns:
        :param max_col_width:
        :param select_mode:
        :param show_expanded:
        :param change_submits:
        :param enable_events:
        :param font:
        :param justification:
        :param text_color:
        :param background_color:
        :param num_rows:
        :param pad:
        :param key:
        :param tooltip:
        :param right_click_menu:
        :param visible:
        '''
        self.TreeData = data
        self.ColumnHeadings = headings
        self.ColumnsToDisplay = visible_column_map
        self.ColumnWidths = col_widths
        self.MaxColumnWidth = max_col_width
        self.DefaultColumnWidth = def_col_width
        self.AutoSizeColumns = auto_size_columns
        self.BackgroundColor = background_color if background_color is not None else DEFAULT_BACKGROUND_COLOR
        self.TextColor = text_color
        self.Justification = justification
        self.InitialState = None
        self.SelectMode = select_mode
        self.ShowExpanded = show_expanded
        self.NumRows = num_rows
        self.Col0Width = col0_width
        self.TKTreeview = None
        self.SelectedRows = []
        self.ChangeSubmits = change_submits or enable_events
        self.RightClickMenu = right_click_menu
        self.RowHeight = row_height
        self.IconList = {}


        super().__init__(ELEM_TYPE_TREE, text_color=text_color, background_color=background_color, font=font, pad=pad,
                         key=key, tooltip=tooltip, visible=visible)
        return


    def treeview_selected(self, event):
        selections = self.TKTreeview.selection()
        self.SelectedRows = [x for x in selections]
        if self.ChangeSubmits:
            MyForm = self.ParentForm
            if self.Key is not None:
                self.ParentForm.LastButtonClicked = self.Key
            else:
                self.ParentForm.LastButtonClicked = ''
            self.ParentForm.FormRemainedOpen = True
            if self.ParentForm.CurrentlyRunningMainloop:
                self.ParentForm.TKroot.quit()

    def add_treeview_data(self, node):
        # print(f'Inserting {node.key} under parent {node.parent}')
        if node.key != '':
            if node.icon:
                try:
                    if type(node.icon) is bytes:
                        photo = tk.PhotoImage(data=node.icon)
                    else:
                        photo = tk.PhotoImage(file=node.icon)
                    node.photo = photo
                    self.TKTreeview.insert(node.parent, 'end', node.key, text=node.text, values=node.values,
                                    open=self.ShowExpanded, image=node.photo)
                except:
                    self.photo = None
            else:
                self.TKTreeview.insert(node.parent, 'end', node.key, text=node.text, values=node.values,
                                open=self.ShowExpanded)

        for node in node.children:
            self.add_treeview_data(node)


    def Update(self, values=None, key=None, value=None, text=None, icon=None, visible=None):
        if values is not None:
            children = self.TKTreeview.get_children()
            for i in children:
                self.TKTreeview.detach(i)
                self.TKTreeview.delete(i)
            children = self.TKTreeview.get_children()
            self.TreeData = values
            self.add_treeview_data(self.TreeData.root_node)
            self.SelectedRows = []
        if key is not None:
            item = self.TKTreeview.item(key)
            if value is not None:
                self.TKTreeview.item(key, values=value)
            if text is not None:
                self.TKTreeview.item(key, text=text)
            if icon is not None:
                try:
                    if type(icon) is bytes:
                        photo = tk.PhotoImage(data=icon)
                    else:
                        photo = tk.PhotoImage(file=icon)
                    self.TKTreeview.item(key, image=photo)
                    self.IconList[key] = photo              # save so that it's not deleted (save reference)
                except:
                    pass
            item = self.TKTreeview.item(key)
        if visible is False:
            self.TKTreeview.pack_forget()
        elif visible is True:
            self.TKTreeview.pack()
        return self

    def __del__(self):
        super().__del__()


class TreeData(object):
    class Node(object):
        def __init__(self, parent, key, text, values, icon=None):
            self.parent = parent
            self.children = []
            self.key = key
            self.text = text
            self.values = values
            self.icon = icon

        def _Add(self, node):
            self.children.append(node)

    def __init__(self):
        self.tree_dict = {}
        self.root_node = self.Node("", "", 'root', [], None)
        self.tree_dict[""] = self.root_node

    def _AddNode(self, key, node):
        self.tree_dict[key] = node

    def Insert(self, parent, key, text, values, icon=None):
        node = self.Node(parent, key, text, values, icon)
        self.tree_dict[key] = node
        parent_node = self.tree_dict[parent]
        parent_node._Add(node)


    def __repr__(self):
        return self._NodeStr(self.root_node, 1)

    def _NodeStr(self, node, level):
        return '\n'.join(
            [str(node.key) + ' : ' + str(node.text)] +
            [' ' * 4 * level + self._NodeStr(child, level + 1) for child in node.children])


# ---------------------------------------------------------------------- #
#                           Error Element                                #
# ---------------------------------------------------------------------- #
class ErrorElement(Element):
    def __init__(self, key=None):
        '''
        Error Element
        :param key:
        '''
        self.Key = key

        super().__init__(ELEM_TYPE_ERROR, key=key)
        return

    def Update(self, *args, **kwargs):
        PopupError('Keyword error in Update',
                   'You need to stop this madness and check your spelling',
                   'Bad key = {}'.format(self.Key),
                   'Your bad line of code may resemble this:',
                   'window.FindElement("{}")'.format(self.Key))
        return self

    def Get(self):
        return 'This is NOT a valid Element!\nSTOP trying to do things with it or I will have to crash at some point!'

    def __del__(self):
        super().__del__()

# ---------------------------------------------------------------------- #
#                           Stretch Element                              #
# ---------------------------------------------------------------------- #
# This is for source code compatibility with tkinter version. No tkinter equivalent
Stretch = ErrorElement

# ------------------------------------------------------------------------- #
#                       Window CLASS                                      #
# ------------------------------------------------------------------------- #
class Window:
    NumOpenWindows = 0
    user_defined_icon = None
    hidden_master_root = None
    animated_popup_dict = {}


    def __init__(self, title, default_element_size=DEFAULT_ELEMENT_SIZE, default_button_element_size=(None, None),
                 auto_size_text=None, auto_size_buttons=None, location=(None, None), size=(None, None), element_padding=None, margins=(None, None), button_color=None, font=None,
                 progress_bar_color=(None, None), background_color=None, border_depth=None, auto_close=False,
                 auto_close_duration=DEFAULT_AUTOCLOSE_TIME, icon=DEFAULT_WINDOW_ICON, force_toplevel=False,
                 alpha_channel=1, return_keyboard_events=False, use_default_focus=True, text_justification=None,
                 no_titlebar=False, grab_anywhere=False, keep_on_top=False, resizable=False, disable_close=False, disable_minimize=False, right_click_menu=None):
        '''
        Window
        :param title:
        :param default_element_size:
        :param default_button_element_size:
        :param auto_size_text:
        :param auto_size_buttons:
        :param location:
        :param size:
        :param element_padding:
        :param button_color:
        :param font:
        :param progress_bar_color:
        :param background_color:
        :param border_depth:
        :param auto_close:
        :param auto_close_duration:
        :param icon:
        :param force_toplevel:
        :param alpha_channel:
        :param return_keyboard_events:
        :param use_default_focus:
        :param text_justification:
        :param no_titlebar:
        :param grab_anywhere:
        :param keep_on_top:
        :param resizable:
        :param disable_close:
        :param disable_minimize:
        :param right_click_menu:
        '''
        self.AutoSizeText = auto_size_text if auto_size_text is not None else DEFAULT_AUTOSIZE_TEXT
        self.AutoSizeButtons = auto_size_buttons if auto_size_buttons is not None else DEFAULT_AUTOSIZE_BUTTONS
        self.Title = title
        self.Rows = []  # a list of ELEMENTS for this row
        self.DefaultElementSize = default_element_size
        self.DefaultButtonElementSize = default_button_element_size if default_button_element_size != (
            None, None) else DEFAULT_BUTTON_ELEMENT_SIZE
        self.Location = location
        self.ButtonColor = button_color if button_color else DEFAULT_BUTTON_COLOR
        self.BackgroundColor = background_color if background_color else DEFAULT_BACKGROUND_COLOR
        self.ParentWindow = None
        self.Font = font if font else DEFAULT_FONT
        self.RadioDict = {}
        self.BorderDepth = border_depth
        self.WindowIcon = Window.user_defined_icon if Window.user_defined_icon is not None else icon if icon is not None else DEFAULT_WINDOW_ICON
        self.AutoClose = auto_close
        self.NonBlocking = False
        self.TKroot = None
        self.TKrootDestroyed = False
        self.CurrentlyRunningMainloop = False
        self.FormRemainedOpen = False
        self.TKAfterID = None
        self.ProgressBarColor = progress_bar_color
        self.AutoCloseDuration = auto_close_duration
        self.RootNeedsDestroying = False
        self.Shown = False
        self.ReturnValues = None
        self.ReturnValuesList = []
        self.ReturnValuesDictionary = {}
        self.DictionaryKeyCounter = 0
        self.LastButtonClicked = None
        self.LastButtonClickedWasRealtime = False
        self.UseDictionary = False
        self.UseDefaultFocus = use_default_focus
        self.ReturnKeyboardEvents = return_keyboard_events
        self.LastKeyboardEvent = None
        self.TextJustification = text_justification
        self.NoTitleBar = no_titlebar
        self.GrabAnywhere = grab_anywhere
        self.KeepOnTop = keep_on_top
        self.ForceTopLevel = force_toplevel
        self.Resizable = resizable
        self._AlphaChannel = alpha_channel
        self.Timeout = None
        self.TimeoutKey = '_timeout_'
        self.TimerCancelled = False
        self.DisableClose = disable_close
        self.DisableMinimize = disable_minimize
        self._Hidden = False
        self._Size = size
        self.XFound = False
        self.ElementPadding = element_padding or DEFAULT_ELEMENT_PADDING
        self.RightClickMenu = right_click_menu
        self.Margins = margins if margins != (None, None) else DEFAULT_MARGINS

    @classmethod
    def IncrementOpenCount(self):
        self.NumOpenWindows += 1
        # print('+++++ INCREMENTING Num Open Windows = {} ---'.format(Window.NumOpenWindows))

    @classmethod
    def DecrementOpenCount(self):
        self.NumOpenWindows -= 1 * (self.NumOpenWindows != 0)  # decrement if not 0
        # print('----- DECREMENTING Num Open Windows = {} ---'.format(Window.NumOpenWindows))

    # ------------------------- Add ONE Row to Form ------------------------- #
    def AddRow(self, *args):
        ''' Parms are a variable number of Elements '''
        NumRows = len(self.Rows)  # number of existing rows is our row number
        CurrentRowNumber = NumRows  # this row's number
        CurrentRow = []  # start with a blank row and build up
        # -------------------------  Add the elements to a row  ------------------------- #
        for i, element in enumerate(args):  # Loop through list of elements and add them to the row
            element.Position = (CurrentRowNumber, i)
            element.ParentContainer = self
            CurrentRow.append(element)
        # -------------------------  Append the row to list of Rows  ------------------------- #
        self.Rows.append(CurrentRow)

    # ------------------------- Add Multiple Rows to Form ------------------------- #
    def AddRows(self, rows):
        for row in rows:
            self.AddRow(*row)

    def Layout(self, rows):
        self.AddRows(rows)
        return self

    def LayoutAndRead(self, rows, non_blocking=False):
        raise DeprecationWarning('LayoutAndRead is no longer supported... change your call window.Layout(layout).Read()')
        # self.AddRows(rows)
        # self.Show(non_blocking=non_blocking)
        # return self.ReturnValues

    def LayoutAndShow(self, rows):
        raise DeprecationWarning('LayoutAndShow is no longer supported... ')

    # ------------------------- ShowForm   THIS IS IT! ------------------------- #
    def Show(self, non_blocking=False):
        self.Shown = True
        # Compute num rows & num cols (it'll come in handy debugging)
        self.NumRows = len(self.Rows)
        self.NumCols = max(len(row) for row in self.Rows)
        self.NonBlocking = non_blocking

        # Search through entire form to see if any elements set the focus
        # if not, then will set the focus to the first input element
        found_focus = False
        for row in self.Rows:
            for element in row:
                try:
                    if element.Focus:
                        found_focus = True
                except:
                    pass
                try:
                    if element.Key is not None:
                        self.UseDictionary = True
                except:
                    pass

        if not found_focus and self.UseDefaultFocus:
            self.UseDefaultFocus = True
        else:
            self.UseDefaultFocus = False
        # -=-=-=-=-=-=-=-=- RUN the GUI -=-=-=-=-=-=-=-=- ##
        StartupTK(self)
        # If a button or keyboard event happened but no results have been built, build the results
        if self.LastKeyboardEvent is not None or self.LastButtonClicked is not None:
            return BuildResults(self, False, self)
        return self.ReturnValues

    # ------------------------- SetIcon - set the window's fav icon ------------------------- #
    def SetIcon(self, icon=None, pngbase64=None):
        if type(icon) is bytes:
            wicon = tkinter.PhotoImage(data=icon)
            try:
                self.TKroot.tk.call('wm', 'iconphoto', self.TKroot._w, wicon)
            except: pass
        elif pngbase64 != None:
            wicon = tkinter.PhotoImage(data=pngbase64)
            try:
                self.TKroot.tk.call('wm', 'iconphoto', self.TKroot._w, wicon)
            except: pass
        else:
            wicon = icon

        self.WindowIcon = wicon
        try:
            self.TKroot.iconbitmap(wicon)
        except:
            pass

    def _GetElementAtLocation(self, location):
        (row_num, col_num) = location
        row = self.Rows[row_num]
        element = row[col_num]
        return element

    def _GetDefaultElementSize(self):
        return self.DefaultElementSize

    def _AutoCloseAlarmCallback(self):
        try:
            window = self
            if window:
                if window.NonBlocking:
                    self.CloseNonBlockingForm()
                else:
                    window._Close()
                    self.TKroot.quit()
                    self.RootNeedsDestroying = True
        except:
            pass

    def _TimeoutAlarmCallback(self):
        # first, get the results table built
        # modify the Results table in the parent FlexForm object
        # print('TIMEOUT CALLBACK')
        if self.TimerCancelled:
            # print('** timer was cancelled **')
            return
        self.LastButtonClicked = self.TimeoutKey
        self.FormRemainedOpen = True
        self.TKroot.quit()  # kick the users out of the mainloop

    def Read(self, timeout=None, timeout_key=TIMEOUT_KEY):
        if timeout == 0:                            # timeout of zero runs the old readnonblocking
            event, values =  self.ReadNonBlocking()
            if event is None:
                event = timeout_key
            if values is None:
                event = None
            return event, values                    # make event None if values was None and return
        # Read with a timeout
        self.Timeout = timeout
        self.TimeoutKey = timeout_key
        self.NonBlocking = False
        if self.TKrootDestroyed:
            return None, None
        if not self.Shown:
            self.Show()
        else:
            # if already have a button waiting, the return previously built results
            if self.LastButtonClicked is not None and not self.LastButtonClickedWasRealtime:
                # print(f'*** Found previous clicked saved {self.LastButtonClicked}')
                results = BuildResults(self, False, self)
                self.LastButtonClicked = None
                return results
            InitializeResults(self)
            # if the last button clicked was realtime, emulate a read non-blocking
            # the idea is to quickly return realtime buttons without any blocks until released
            if self.LastButtonClickedWasRealtime:
                self.LastButtonClickedWasRealtime = False  # stops from generating events until something changes

                # print(f'RTime down {self.LastButtonClicked}' )
                try:
                    rc = self.TKroot.update()
                except:
                    self.TKrootDestroyed = True
                    Window.DecrementOpenCount()
                    # _my_windows.Decrement()
                    # print('ROOT Destroyed')
                results = BuildResults(self, False, self)
                if results[0] != None and results[0] != timeout_key:
                   return results
                else:
                    pass

                # else:
                #     print("** REALTIME PROBLEM FOUND **", results)

            if self.RootNeedsDestroying:
                # print('*** DESTROYING really late***')
                self.TKroot.destroy()
                # _my_windows.Decrement()
                self.LastButtonClicked = None
                return None, None

            # normal read blocking code....
            if timeout != None:
                self.TimerCancelled = False
                self.TKAfterID = self.TKroot.after(timeout, self._TimeoutAlarmCallback)
            self.CurrentlyRunningMainloop = True
            # print(f'In main {self.Title} {self.TKroot}')
            self.TKroot.protocol("WM_DESTROY_WINDOW", self.OnClosingCallback)
            self.TKroot.protocol("WM_DELETE_WINDOW", self.OnClosingCallback)
            self.TKroot.mainloop()
            # print('Out main')
            self.CurrentlyRunningMainloop = False
            # if self.LastButtonClicked != TIMEOUT_KEY:
            #     print(f'Window {self.Title} Last button clicked = {self.LastButtonClicked}')
            try:
                self.TKroot.after_cancel(self.TKAfterID)
            except:
                pass
                # print('** tkafter cancel failed **')
            self.TimerCancelled = True
            if self.RootNeedsDestroying:
                # print('*** DESTROYING LATE ***')
                self.TKroot.destroy()
                Window.DecrementOpenCount()
                # _my_windows.Decrement()
                self.LastButtonClicked = None
                return None, None
            # if form was closed with X
            if self.LastButtonClicked is None and self.LastKeyboardEvent is None and self.ReturnValues[0] is None:
                Window.DecrementOpenCount()
                # _my_windows.Decrement()
        # Determine return values
        if self.LastKeyboardEvent is not None or self.LastButtonClicked is not None:
            results =  BuildResults(self, False, self)
            if not self.LastButtonClickedWasRealtime:
                self.LastButtonClicked = None
            return results
        else:
            if not self.XFound and self.Timeout != 0 and self.Timeout is not None and self.ReturnValues[
                0] is None:  # Special Qt case because returning for no reason so fake timeout
                self.ReturnValues = self.TimeoutKey, self.ReturnValues[1]  # fake a timeout
            elif not self.XFound and self.ReturnValues[0] is None:  # TODO HIGHLY EXPERIMENTAL... added due to tray icon interaction
                # print("*** Faking timeout ***")
                self.ReturnValues = self.TimeoutKey, self.ReturnValues[1]  # fake a timeout
            return self.ReturnValues

    def ReadNonBlocking(self):
        if self.TKrootDestroyed:
            try:
                self.TKroot.quit()
                self.TKroot.destroy()
            except:
                pass
                # print('DESTROY FAILED')
            return None, None
        if not self.Shown:
            self.Show(non_blocking=True)
        try:
            rc = self.TKroot.update()
        except:
            self.TKrootDestroyed = True
            Window.DecrementOpenCount()
            # _my_windows.Decrement()
            # print("read failed")
            # return None, None
        if self.RootNeedsDestroying:
            # print('*** DESTROYING LATE ***', self.ReturnValues)
            self.TKroot.destroy()
            Window.DecrementOpenCount()
            # _my_windows.Decrement()
            self.Values = None
            self.LastButtonClicked = None
            return None, None
        return BuildResults(self, False, self)

    def Finalize(self):
        if self.TKrootDestroyed:
            return self
        if not self.Shown:
            self.Show(non_blocking=True)
        try:
            rc = self.TKroot.update()
        except:
            self.TKrootDestroyed = True
            Window.DecrementOpenCount()
            # _my_windows.Decrement()
            # return None, None
        return self

    def Refresh(self):
        if self.TKrootDestroyed:
            return self
        try:
            rc = self.TKroot.update()
        except:
            pass
        return self

    def Fill(self, values_dict):
        FillFormWithValues(self, values_dict)
        return self

    def FindElement(self, key, silent_on_error=False):
        element = _FindElementFromKeyInSubForm(self, key)
        if element is None:
            if not silent_on_error:
                print('*** WARNING = FindElement did not find the key. Please check your key\'s spelling ***')
                PopupError('Keyword error in FindElement Call',
                           'Bad key = {}'.format(key),
                           'Your bad line of code may resemble this:',
                           'window.FindElement("{}")'.format(key))
                return ErrorElement(key=key)
            else:
                return False
        return element

    Element =  FindElement          # Shortcut function


    def FindElementWithFocus(self):
        element = _FindElementWithFocusInSubForm(self)
        return element

    def SaveToDisk(self, filename):
        try:
            results = BuildResults(self, False, self)
            with open(filename, 'wb') as sf:
                pickle.dump(results[1], sf)
        except:
            print('*** Error saving form to disk ***')

    def LoadFromDisk(self, filename):
        try:
            with open(filename, 'rb') as df:
                self.Fill(pickle.load(df))
        except:
            print('*** Error loading form to disk ***')

    def GetScreenDimensions(self):
        if self.TKrootDestroyed:
            return None, None
        screen_width = self.TKroot.winfo_screenwidth()  # get window info to move to middle of screen
        screen_height = self.TKroot.winfo_screenheight()
        return screen_width, screen_height

    def Move(self, x, y):
        try:
            self.TKroot.geometry("+%s+%s" % (x, y))
        except:
            pass

    def Minimize(self):
        self.TKroot.iconify()

    def Maximize(self):
        self.TKroot.attributes('-fullscreen', True)

    def StartMove(self, event):
        try:
            self.TKroot.x = event.x
            self.TKroot.y = event.y
        except:
            pass

    def StopMove(self, event):
        try:
            self.TKroot.x = None
            self.TKroot.y = None
        except:
            pass

    def OnMotion(self, event):
        try:
            deltax = event.x - self.TKroot.x
            deltay = event.y - self.TKroot.y
            x = self.TKroot.winfo_x() + deltax
            y = self.TKroot.winfo_y() + deltay
            self.TKroot.geometry("+%s+%s" % (x, y))
        except:
            pass

    def _KeyboardCallback(self, event):
        self.LastButtonClicked = None
        self.FormRemainedOpen = True
        if event.char != '':
            self.LastKeyboardEvent = event.char
        else:
            self.LastKeyboardEvent = str(event.keysym) + ':' + str(event.keycode)
        if not self.NonBlocking:
            BuildResults(self, False, self)
        if self.CurrentlyRunningMainloop:       # quit if this is the current mainloop, otherwise don't quit!
            self.TKroot.quit()

    def _MouseWheelCallback(self, event):
        self.LastButtonClicked = None
        self.FormRemainedOpen = True
        self.LastKeyboardEvent = 'MouseWheel:Down' if event.delta < 0 else 'MouseWheel:Up'
        if not self.NonBlocking:
            BuildResults(self, False, self)
        if self.CurrentlyRunningMainloop:       # quit if this is the current mainloop, otherwise don't quit!
            self.TKroot.quit()

    def _Close(self):
        try:
            self.TKroot.update()
        except:
            pass
        if not self.NonBlocking:
            BuildResults(self, False, self)
        if self.TKrootDestroyed:
            return None
        self.TKrootDestroyed = True
        self.RootNeedsDestroying = True
        return None


    def Close(self):
        if self.TKrootDestroyed:
            return
        try:
            self.TKroot.destroy()
            Window.DecrementOpenCount()
            # _my_windows.Decrement()
        except:
            pass

    CloseNonBlockingForm = Close
    CloseNonBlocking = Close

    # IT FINALLY WORKED! 29-Oct-2018 was the first time this damned thing got called
    def OnClosingCallback(self):
        # global _my_windows
        # print('Got closing callback', self.DisableClose)
        if self.DisableClose:
            return
        self.XFound = True
        if self.CurrentlyRunningMainloop:       # quit if this is the current mainloop, otherwise don't quit!
            self.TKroot.quit()  # kick the users out of the mainloop
            self.TKroot.destroy()  # kick the users out of the mainloop
            self.RootNeedsDestroying = True
            self.TKrootDestroyed = True
        else:
            self.TKroot.destroy()  # kick the users out of the mainloop
            self.RootNeedsDestroying = True
        self.RootNeedsDestroying = True

        return

    def Disable(self):
        self.TKroot.grab_set_global()

    def Enable(self):
        self.TKroot.grab_release()

    def Hide(self):
        self._Hidden = True
        self.TKroot.withdraw()

    def UnHide(self):
        if self._Hidden:
            self.TKroot.deiconify()
            self._Hidden = False

    def Disappear(self):
        self.TKroot.attributes('-alpha', 0)

    def Reappear(self):
        self.TKroot.attributes('-alpha', 255)

    def SetAlpha(self, alpha):
        '''
        Change the window's transparency
        :param alpha: From 0 to 1 with 0 being completely transparent
        :return:
        '''
        self._AlphaChannel = alpha
        self.TKroot.attributes('-alpha', alpha)

    @property
    def AlphaChannel(self):
        return self._AlphaChannel

    @AlphaChannel.setter
    def AlphaChannel(self, alpha):
        self._AlphaChannel = alpha
        self.TKroot.attributes('-alpha', alpha)

    def BringToFront(self):
        try:
            self.TKroot.lift()
        except:
            pass

    def CurrentLocation(self):
        return int(self.TKroot.winfo_x()), int(self.TKroot.winfo_y())


    @property
    def Size(self):
        win_width = self.TKroot.winfo_width()
        win_height = self.TKroot.winfo_height()
        return win_width, win_height

    @Size.setter
    def Size(self, size):
        try:
            self.TKroot.geometry("%sx%s" % (size[0], size[1]))
            self.TKroot.update_idletasks()
        except:
            pass


    def VisibilityChanged(self):
        # A dummy function.  Needed in Qt but not tkinter
        return

    def __enter__(self):
        return self

    def __exit__(self, *a):
        self.__del__()
        return False

    def __del__(self):
        # print('DELETING WINDOW')
        for row in self.Rows:
            for element in row:
                element.__del__()



FlexForm = Window

# ################################################################################
# ################################################################################
#  END OF ELEMENT DEFINITIONS
# ################################################################################
# ################################################################################


# =========================================================================== #
# Button Lazy Functions so the caller doesn't have to define a bunch of stuff #
# =========================================================================== #


# -------------------------  FOLDER BROWSE Element lazy function  ------------------------- #
def FolderBrowse(button_text='Browse', target=(ThisRow, -1), initial_folder=None, tooltip=None, size=(None, None),
                 auto_size_button=None, button_color=None, disabled=False, change_submits=False, enable_events=False,font=None, pad=None, key=None):
    return Button(button_text=button_text, button_type=BUTTON_TYPE_BROWSE_FOLDER, target=target,
                  initial_folder=initial_folder, tooltip=tooltip, size=size, auto_size_button=auto_size_button,
                  disabled=disabled, button_color=button_color,change_submits=change_submits, enable_events=enable_events, font=font, pad=pad, key=key)


# -------------------------  FILE BROWSE Element lazy function  ------------------------- #
def FileBrowse(button_text='Browse', target=(ThisRow, -1), file_types=(("ALL Files", "*.*"),), initial_folder=None,
               tooltip=None, size=(None, None), auto_size_button=None, button_color=None, change_submits=False, enable_events=False, font=None, disabled=False,
               pad=None, key=None):
    return Button(button_text=button_text, button_type=BUTTON_TYPE_BROWSE_FILE, target=target, file_types=file_types,
                  initial_folder=initial_folder, tooltip=tooltip, size=size, auto_size_button=auto_size_button, change_submits=change_submits, enable_events=enable_events, disabled=disabled, button_color=button_color, font=font, pad=pad, key=key)


# -------------------------  FILES BROWSE Element (Multiple file selection) lazy function  ------------------------- #
def FilesBrowse(button_text='Browse', target=(ThisRow, -1), file_types=(("ALL Files", "*.*"),), disabled=False,
                initial_folder=None, tooltip=None, size=(None, None), auto_size_button=None, button_color=None, change_submits=False,enable_events=False,
                font=None, pad=None, key=None):
    return Button(button_text=button_text, button_type=BUTTON_TYPE_BROWSE_FILES, target=target, file_types=file_types,
                  initial_folder=initial_folder,change_submits=change_submits, enable_events=enable_events, tooltip=tooltip, size=size, auto_size_button=auto_size_button,
                  disabled=disabled, button_color=button_color, font=font, pad=pad, key=key)


# -------------------------  FILE BROWSE Element lazy function  ------------------------- #
def FileSaveAs(button_text='Save As...', target=(ThisRow, -1), file_types=(("ALL Files", "*.*"),), initial_folder=None,
               disabled=False, tooltip=None, size=(None, None), auto_size_button=None, button_color=None, change_submits=False, enable_events=False, font=None,
               pad=None, key=None):
    return Button(button_text=button_text, button_type=BUTTON_TYPE_SAVEAS_FILE, target=target, file_types=file_types,
                  initial_folder=initial_folder, tooltip=tooltip, size=size, disabled=disabled,
                  auto_size_button=auto_size_button, button_color=button_color, change_submits=change_submits, enable_events=enable_events, font=font, pad=pad, key=key)


# -------------------------  SAVE AS Element lazy function  ------------------------- #
def SaveAs(button_text='Save As...', target=(ThisRow, -1), file_types=(("ALL Files", "*.*"),), initial_folder=None,
           disabled=False, tooltip=None, size=(None, None), auto_size_button=None, button_color=None, change_submits=False, enable_events=False, font=None,
           pad=None, key=None):
    return Button(button_text=button_text, button_type=BUTTON_TYPE_SAVEAS_FILE, target=target, file_types=file_types,
                  initial_folder=initial_folder, tooltip=tooltip, size=size, disabled=disabled,
                  auto_size_button=auto_size_button, button_color=button_color, change_submits=change_submits,  enable_events=enable_events,font=font, pad=pad, key=key)


# -------------------------  SAVE BUTTON Element lazy function  ------------------------- #
def Save(button_text='Save', size=(None, None), auto_size_button=None, button_color=None, bind_return_key=True,
         disabled=False, tooltip=None, font=None, focus=False, pad=None, key=None):
    return Button(button_text=button_text, button_type=BUTTON_TYPE_READ_FORM, tooltip=tooltip, size=size,
                  auto_size_button=auto_size_button, button_color=button_color, font=font, disabled=disabled,
                  bind_return_key=bind_return_key, focus=focus, pad=pad, key=key)


# -------------------------  SUBMIT BUTTON Element lazy function  ------------------------- #
def Submit(button_text='Submit', size=(None, None), auto_size_button=None, button_color=None, disabled=False,
           bind_return_key=True, tooltip=None, font=None, focus=False, pad=None, key=None):
    return Button(button_text=button_text, button_type=BUTTON_TYPE_READ_FORM, tooltip=tooltip, size=size,
                  auto_size_button=auto_size_button, button_color=button_color, font=font, disabled=disabled,
                  bind_return_key=bind_return_key, focus=focus, pad=pad, key=key)


# -------------------------  OPEN BUTTON Element lazy function  ------------------------- #
# -------------------------  OPEN BUTTON Element lazy function  ------------------------- #
def Open(button_text='Open', size=(None, None), auto_size_button=None, button_color=None, disabled=False,
         bind_return_key=True, tooltip=None, font=None, focus=False, pad=None, key=None):
    return Button(button_text=button_text, button_type=BUTTON_TYPE_READ_FORM, tooltip=tooltip, size=size,
                  auto_size_button=auto_size_button, button_color=button_color, font=font, disabled=disabled,
                  bind_return_key=bind_return_key, focus=focus, pad=pad, key=key)


# -------------------------  OK BUTTON Element lazy function  ------------------------- #
def OK(button_text='OK', size=(None, None), auto_size_button=None, button_color=None, disabled=False,
       bind_return_key=True, tooltip=None, font=None, focus=False, pad=None, key=None):
    return Button(button_text=button_text, button_type=BUTTON_TYPE_READ_FORM, tooltip=tooltip, size=size,
                  auto_size_button=auto_size_button, button_color=button_color, font=font, disabled=disabled,
                  bind_return_key=bind_return_key, focus=focus, pad=pad, key=key)


# -------------------------  YES BUTTON Element lazy function  ------------------------- #
def Ok(button_text='Ok', size=(None, None), auto_size_button=None, button_color=None, disabled=False,
       bind_return_key=True, tooltip=None, font=None, focus=False, pad=None, key=None):
    return Button(button_text=button_text, button_type=BUTTON_TYPE_READ_FORM, tooltip=tooltip, size=size,
                  auto_size_button=auto_size_button, button_color=button_color, font=font, disabled=disabled,
                  bind_return_key=bind_return_key, focus=focus, pad=pad, key=key)


# -------------------------  CANCEL BUTTON Element lazy function  ------------------------- #
def Cancel(button_text='Cancel', size=(None, None), auto_size_button=None, button_color=None, disabled=False,
           tooltip=None, font=None, bind_return_key=False, focus=False, pad=None, key=None):
    return Button(button_text=button_text, button_type=BUTTON_TYPE_READ_FORM, tooltip=tooltip, size=size,
                  auto_size_button=auto_size_button, button_color=button_color, font=font, disabled=disabled,
                  bind_return_key=bind_return_key, focus=focus, pad=pad, key=key)


# -------------------------  QUIT BUTTON Element lazy function  ------------------------- #
def Quit(button_text='Quit', size=(None, None), auto_size_button=None, button_color=None, disabled=False, tooltip=None,
         font=None, bind_return_key=False, focus=False, pad=None, key=None):
    return Button(button_text=button_text, button_type=BUTTON_TYPE_READ_FORM, tooltip=tooltip, size=size,
                  auto_size_button=auto_size_button, button_color=button_color, font=font, disabled=disabled,
                  bind_return_key=bind_return_key, focus=focus, pad=pad, key=key)


# -------------------------  Exit BUTTON Element lazy function  ------------------------- #
def Exit(button_text='Exit', size=(None, None), auto_size_button=None, button_color=None, disabled=False, tooltip=None,
         font=None, bind_return_key=False, focus=False, pad=None, key=None):
    return Button(button_text=button_text, button_type=BUTTON_TYPE_READ_FORM, tooltip=tooltip, size=size,
                  auto_size_button=auto_size_button, button_color=button_color, font=font, disabled=disabled,
                  bind_return_key=bind_return_key, focus=focus, pad=pad, key=key)


# -------------------------  YES BUTTON Element lazy function  ------------------------- #
def Yes(button_text='Yes', size=(None, None), auto_size_button=None, button_color=None, disabled=False, tooltip=None,
        font=None, bind_return_key=True, focus=False, pad=None, key=None):
    return Button(button_text=button_text, button_type=BUTTON_TYPE_READ_FORM, tooltip=tooltip, size=size,
                  auto_size_button=auto_size_button, button_color=button_color, font=font, disabled=disabled,
                  bind_return_key=bind_return_key, focus=focus, pad=pad, key=key)


# -------------------------  NO BUTTON Element lazy function  ------------------------- #
def No(button_text='No', size=(None, None), auto_size_button=None, button_color=None, disabled=False, tooltip=None,
       font=None, bind_return_key=False, focus=False, pad=None, key=None):
    return Button(button_text=button_text, button_type=BUTTON_TYPE_READ_FORM, tooltip=tooltip, size=size,
                  auto_size_button=auto_size_button, button_color=button_color, font=font, disabled=disabled,
                  bind_return_key=bind_return_key, focus=focus, pad=pad, key=key)


# -------------------------  NO BUTTON Element lazy function  ------------------------- #
def Help(button_text='Help', size=(None, None), auto_size_button=None, button_color=None, disabled=False, font=None,
         tooltip=None, bind_return_key=False, focus=False, pad=None, key=None):
    return Button(button_text=button_text, button_type=BUTTON_TYPE_READ_FORM, tooltip=tooltip, size=size,
                  auto_size_button=auto_size_button, button_color=button_color, font=font, disabled=disabled,
                  bind_return_key=bind_return_key, focus=focus, pad=pad, key=key)


# -------------------------  GENERIC BUTTON Element lazy function  ------------------------- #
def SimpleButton(button_text, image_filename=None, image_data=None, image_size=(None, None), image_subsample=None,
                 border_width=None, tooltip=None, size=(None, None), auto_size_button=None, button_color=None,
                 font=None, bind_return_key=False, disabled=False, focus=False, pad=None, key=None):
    return Button(button_text=button_text, button_type=BUTTON_TYPE_CLOSES_WIN, image_filename=image_filename,
                  image_data=image_data, image_size=image_size, image_subsample=image_subsample,
                  border_width=border_width, tooltip=tooltip, disabled=disabled, size=size,
                  auto_size_button=auto_size_button, button_color=button_color, font=font,
                  bind_return_key=bind_return_key, focus=focus, pad=pad, key=key)


# -------------------------  CLOSE BUTTON Element lazy function  ------------------------- #
def CloseButton(button_text, image_filename=None, image_data=None, image_size=(None, None), image_subsample=None, border_width=None, tooltip=None, size=(None, None), auto_size_button=None, button_color=None, font=None, bind_return_key=False, disabled=False, focus=False, pad=None, key=None):
    return Button(button_text=button_text, button_type=BUTTON_TYPE_CLOSES_WIN, image_filename=image_filename, image_data=image_data, image_size=image_size, image_subsample=image_subsample, border_width=border_width, tooltip=tooltip, disabled=disabled, size=size, auto_size_button=auto_size_button, button_color=button_color, font=font, bind_return_key=bind_return_key, focus=focus, pad=pad, key=key)

CButton = CloseButton

# -------------------------  GENERIC BUTTON Element lazy function  ------------------------- #
def ReadButton(button_text, image_filename=None, image_data=None, image_size=(None, None), image_subsample=None,
               border_width=None, tooltip=None, size=(None, None), auto_size_button=None, button_color=None, font=None,
               bind_return_key=False, disabled=False, focus=False, pad=None, key=None):
    return Button(button_text=button_text, button_type=BUTTON_TYPE_READ_FORM, image_filename=image_filename,
                  image_data=image_data, image_size=image_size, image_subsample=image_subsample,
                  border_width=border_width, tooltip=tooltip, size=size, disabled=disabled,
                  auto_size_button=auto_size_button, button_color=button_color, font=font,
                  bind_return_key=bind_return_key, focus=focus, pad=pad, key=key)


ReadFormButton = ReadButton
RButton = ReadFormButton


# -------------------------  Realtime BUTTON Element lazy function  ------------------------- #
def RealtimeButton(button_text, image_filename=None, image_data=None, image_size=(None, None), image_subsample=None,
                   border_width=None, tooltip=None, size=(None, None), auto_size_button=None, button_color=None,
                   font=None, disabled=False, bind_return_key=False, focus=False, pad=None, key=None):
    return Button(button_text=button_text, button_type=BUTTON_TYPE_REALTIME, image_filename=image_filename,
                  image_data=image_data, image_size=image_size, image_subsample=image_subsample,
                  border_width=border_width, tooltip=tooltip, disabled=disabled, size=size,
                  auto_size_button=auto_size_button, button_color=button_color, font=font,
                  bind_return_key=bind_return_key, focus=focus, pad=pad, key=key)


# -------------------------  Dummy BUTTON Element lazy function  ------------------------- #
def DummyButton(button_text, image_filename=None, image_data=None, image_size=(None, None), image_subsample=None,
                border_width=None, tooltip=None, size=(None, None), auto_size_button=None, button_color=None, font=None,
                disabled=False, bind_return_key=False, focus=False, pad=None, key=None):
    return Button(button_text=button_text, button_type=BUTTON_TYPE_CLOSES_WIN_ONLY, image_filename=image_filename,
                  image_data=image_data, image_size=image_size, image_subsample=image_subsample,
                  border_width=border_width, tooltip=tooltip, size=size, auto_size_button=auto_size_button,
                  button_color=button_color, font=font, disabled=disabled, bind_return_key=bind_return_key, focus=focus,
                  pad=pad, key=key)


# -------------------------  Calendar Chooser Button lazy function  ------------------------- #
def CalendarButton(button_text, target=(None, None), close_when_date_chosen=True, default_date_m_d_y=(None,None,None), image_filename=None, image_data=None, image_size=(None, None),
                   image_subsample=None, tooltip=None, border_width=None, size=(None, None), auto_size_button=None,
                   button_color=None, disabled=False, font=None, bind_return_key=False, focus=False, pad=None,
                   key=None):
    button =  Button(button_text=button_text, button_type=BUTTON_TYPE_CALENDAR_CHOOSER, target=target,
                  image_filename=image_filename, image_data=image_data, image_size=image_size,
                  image_subsample=image_subsample, border_width=border_width, tooltip=tooltip, size=size,
                  auto_size_button=auto_size_button, button_color=button_color, font=font, disabled=disabled,
                  bind_return_key=bind_return_key, focus=focus, pad=pad, key=key)
    button.CalendarCloseWhenChosen = close_when_date_chosen
    button.DefaultDate_M_D_Y = default_date_m_d_y
    return button


# -------------------------  Calendar Chooser Button lazy function  ------------------------- #
def ColorChooserButton(button_text, target=(None, None), image_filename=None, image_data=None, image_size=(None, None),
                       image_subsample=None, tooltip=None, border_width=None, size=(None, None), auto_size_button=None,
                       button_color=None, disabled=False, font=None, bind_return_key=False, focus=False, pad=None,
                       key=None):
    return Button(button_text=button_text, button_type=BUTTON_TYPE_COLOR_CHOOSER, target=target,
                  image_filename=image_filename, image_data=image_data, image_size=image_size,
                  image_subsample=image_subsample, border_width=border_width, tooltip=tooltip, size=size,
                  auto_size_button=auto_size_button, button_color=button_color, font=font, disabled=disabled,
                  bind_return_key=bind_return_key, focus=focus, pad=pad, key=key)


#####################################  -----  RESULTS   ------ ##################################################

def AddToReturnDictionary(form, element, value):
    if element.Key is None:
        form.ReturnValuesDictionary[form.DictionaryKeyCounter] = value
        element.Key = form.DictionaryKeyCounter
        form.DictionaryKeyCounter += 1
    else:
        form.ReturnValuesDictionary[element.Key] = value


def AddToReturnList(form, value):
    form.ReturnValuesList.append(value)


# ----------------------------------------------------------------------------#
# -------  FUNCTION InitializeResults.  Sets up form results matrix  --------#
def InitializeResults(form):
    BuildResults(form, True, form)
    return


# =====  Radio Button RadVar encoding and decoding =====#
# =====  The value is simply the row * 1000 + col  =====#
def DecodeRadioRowCol(RadValue):
    row = RadValue // 1000
    col = RadValue % 1000
    return row, col


def EncodeRadioRowCol(row, col):
    RadValue = row * 1000 + col
    return RadValue


# -------  FUNCTION BuildResults.  Form exiting so build the results to pass back  ------- #
# format of return values is
# (Button Pressed, input_values)
def BuildResults(form, initialize_only, top_level_form):
    # Results for elements are:
    #   TEXT - Nothing
    #   INPUT - Read value from TK
    #   Button - Button Text and position as a Tuple

    # Get the initialized results so we don't have to rebuild
    form.DictionaryKeyCounter = 0
    form.ReturnValuesDictionary = {}
    form.ReturnValuesList = []
    BuildResultsForSubform(form, initialize_only, top_level_form)
    if not top_level_form.LastButtonClickedWasRealtime:
        top_level_form.LastButtonClicked = None
    return form.ReturnValues


def BuildResultsForSubform(form, initialize_only, top_level_form):
    button_pressed_text = top_level_form.LastButtonClicked
    for row_num, row in enumerate(form.Rows):
        for col_num, element in enumerate(row):
            if element.Key is not None and  WRITE_ONLY_KEY in str(element.Key):
                continue
            value = None
            if element.Type == ELEM_TYPE_COLUMN:
                element.DictionaryKeyCounter = top_level_form.DictionaryKeyCounter
                element.ReturnValuesList = []
                element.ReturnValuesDictionary = {}
                BuildResultsForSubform(element, initialize_only, top_level_form)
                for item in element.ReturnValuesList:
                    AddToReturnList(top_level_form, item)
                if element.UseDictionary:
                    top_level_form.UseDictionary = True
                if element.ReturnValues[0] is not None:  # if a button was clicked
                    button_pressed_text = element.ReturnValues[0]

            if element.Type == ELEM_TYPE_FRAME:
                element.DictionaryKeyCounter = top_level_form.DictionaryKeyCounter
                element.ReturnValuesList = []
                element.ReturnValuesDictionary = {}
                BuildResultsForSubform(element, initialize_only, top_level_form)
                for item in element.ReturnValuesList:
                    AddToReturnList(top_level_form, item)
                if element.UseDictionary:
                    top_level_form.UseDictionary = True
                if element.ReturnValues[0] is not None:  # if a button was clicked
                    button_pressed_text = element.ReturnValues[0]

            if element.Type == ELEM_TYPE_PANE:
                element.DictionaryKeyCounter = top_level_form.DictionaryKeyCounter
                element.ReturnValuesList = []
                element.ReturnValuesDictionary = {}
                BuildResultsForSubform(element, initialize_only, top_level_form)
                for item in element.ReturnValuesList:
                    AddToReturnList(top_level_form, item)
                if element.UseDictionary:
                    top_level_form.UseDictionary = True
                if element.ReturnValues[0] is not None:  # if a button was clicked
                    button_pressed_text = element.ReturnValues[0]

            if element.Type == ELEM_TYPE_TAB_GROUP:
                element.DictionaryKeyCounter = top_level_form.DictionaryKeyCounter
                element.ReturnValuesList = []
                element.ReturnValuesDictionary = {}
                BuildResultsForSubform(element, initialize_only, top_level_form)
                for item in element.ReturnValuesList:
                    AddToReturnList(top_level_form, item)
                if element.UseDictionary:
                    top_level_form.UseDictionary = True
                if element.ReturnValues[0] is not None:  # if a button was clicked
                    button_pressed_text = element.ReturnValues[0]

            if element.Type == ELEM_TYPE_TAB:
                element.DictionaryKeyCounter = top_level_form.DictionaryKeyCounter
                element.ReturnValuesList = []
                element.ReturnValuesDictionary = {}
                BuildResultsForSubform(element, initialize_only, top_level_form)
                for item in element.ReturnValuesList:
                    AddToReturnList(top_level_form, item)
                if element.UseDictionary:
                    top_level_form.UseDictionary = True
                if element.ReturnValues[0] is not None:  # if a button was clicked
                    button_pressed_text = element.ReturnValues[0]

            if not initialize_only:
                if element.Type == ELEM_TYPE_INPUT_TEXT:
                    try:
                        value = element.TKStringVar.get()
                    except:
                        value = ''
                    if not top_level_form.NonBlocking and not element.do_not_clear and not top_level_form.ReturnKeyboardEvents:
                        element.TKStringVar.set('')
                elif element.Type == ELEM_TYPE_INPUT_CHECKBOX:
                    value = element.TKIntVar.get()
                    value = (value != 0)
                elif element.Type == ELEM_TYPE_INPUT_RADIO:
                    RadVar = element.TKIntVar.get()
                    this_rowcol = EncodeRadioRowCol(row_num, col_num)
                    value = RadVar == this_rowcol
                elif element.Type == ELEM_TYPE_BUTTON:
                    if top_level_form.LastButtonClicked == element.ButtonText:
                        button_pressed_text = top_level_form.LastButtonClicked
                        if element.BType != BUTTON_TYPE_REALTIME:  # Do not clear realtime buttons
                            top_level_form.LastButtonClicked = None
                    if element.BType == BUTTON_TYPE_CALENDAR_CHOOSER:
                        try:
                            value = element.TKCal.selection
                        except:
                            value = None
                    else:
                        try:
                            value = element.TKStringVar.get()
                        except:
                            value = None
                elif element.Type == ELEM_TYPE_INPUT_COMBO:
                    value = element.TKStringVar.get()
                elif element.Type == ELEM_TYPE_INPUT_OPTION_MENU:
                    value = element.TKStringVar.get()
                elif element.Type == ELEM_TYPE_INPUT_LISTBOX:
                    try:
                        items = element.TKListbox.curselection()
                        value = [element.Values[int(item)] for item in items]
                    except:
                        value = ''
                elif element.Type == ELEM_TYPE_INPUT_SPIN:
                    try:
                        value = element.TKStringVar.get()
                    except:
                        value = 0
                elif element.Type == ELEM_TYPE_INPUT_SLIDER:
                    try:
                        value = float(element.TKScale.get())
                    except:
                        value = 0
                elif element.Type == ELEM_TYPE_INPUT_MULTILINE:
                    try:
                        value = element.TKText.get(1.0, tk.END)
                        if not top_level_form.NonBlocking and not element.do_not_clear and not top_level_form.ReturnKeyboardEvents:
                            element.TKText.delete('1.0', tk.END)
                    except:
                        value = None
                elif element.Type == ELEM_TYPE_TAB_GROUP:
                    try:
                        value = element.TKNotebook.tab(element.TKNotebook.index('current'))['text']
                        tab_key = element.FindKeyFromTabName(value)
                        if tab_key is not None:
                            value = tab_key
                    except:
                        value = None
                elif element.Type == ELEM_TYPE_TABLE:
                    value = element.SelectedRows
                elif element.Type == ELEM_TYPE_TREE:
                    value = element.SelectedRows
                elif element.Type == ELEM_TYPE_GRAPH:
                    value = element.ClickPosition
                elif element.Type == ELEM_TYPE_MENUBAR:
                    if element.MenuItemChosen is not None:
                        button_pressed_text = top_level_form.LastButtonClicked = element.MenuItemChosen
                    value = element.MenuItemChosen
                    element.MenuItemChosen = None
                elif element.Type == ELEM_TYPE_BUTTONMENU:
                    value = element.MenuItemChosen
                    element.MenuItemChosen = None

                    # if element.MenuItemChosen is not None:
                    #     button_pressed_text = top_level_form.LastButtonClicked = element.MenuItemChosen
                    # value = element.MenuItemChosen
                    # element.MenuItemChosen = None
            else:
                value = None

            # if an input type element, update the results
            if element.Type != ELEM_TYPE_BUTTON and \
                    element.Type != ELEM_TYPE_TEXT and \
                    element.Type != ELEM_TYPE_IMAGE and \
                    element.Type != ELEM_TYPE_OUTPUT and \
                    element.Type != ELEM_TYPE_PROGRESS_BAR and \
                    element.Type != ELEM_TYPE_COLUMN and \
                    element.Type != ELEM_TYPE_FRAME \
                    and element.Type != ELEM_TYPE_TAB:
                AddToReturnList(form, value)
                AddToReturnDictionary(top_level_form, element, value)
            elif (element.Type == ELEM_TYPE_BUTTON and
                  element.BType == BUTTON_TYPE_CALENDAR_CHOOSER and
                  element.Target == (None, None)) or \
                    (element.Type == ELEM_TYPE_BUTTON and
                     element.BType == BUTTON_TYPE_COLOR_CHOOSER and
                     element.Target == (None, None)) or \
                    (element.Type == ELEM_TYPE_BUTTON
                     and element.Key is not None and
                     (element.BType in (BUTTON_TYPE_SAVEAS_FILE, BUTTON_TYPE_BROWSE_FILE, BUTTON_TYPE_BROWSE_FILES,
                                        BUTTON_TYPE_BROWSE_FOLDER))):
                AddToReturnList(form, value)
                AddToReturnDictionary(top_level_form, element, value)

    # if this is a column, then will fail so need to wrap with tr
    try:
        if form.ReturnKeyboardEvents and form.LastKeyboardEvent is not None:
            button_pressed_text = form.LastKeyboardEvent
            form.LastKeyboardEvent = None
    except:
        pass

    try:
        form.ReturnValuesDictionary.pop(None, None)  # clean up dictionary include None was included
    except:
        pass

    if not form.UseDictionary:
        form.ReturnValues = button_pressed_text, form.ReturnValuesList
    else:
        form.ReturnValues = button_pressed_text, form.ReturnValuesDictionary

    return form.ReturnValues


def FillFormWithValues(form, values_dict):
    FillSubformWithValues(form, values_dict)


def FillSubformWithValues(form, values_dict):
    for row_num, row in enumerate(form.Rows):
        for col_num, element in enumerate(row):
            value = None
            if element.Type == ELEM_TYPE_COLUMN:
                FillSubformWithValues(element, values_dict)
            if element.Type == ELEM_TYPE_FRAME:
                FillSubformWithValues(element, values_dict)
            if element.Type == ELEM_TYPE_TAB_GROUP:
                FillSubformWithValues(element, values_dict)
            if element.Type == ELEM_TYPE_TAB:
                FillSubformWithValues(element, values_dict)
            try:
                value = values_dict[element.Key]
            except:
                continue
            if element.Type == ELEM_TYPE_INPUT_TEXT:
                element.Update(value)
            elif element.Type == ELEM_TYPE_INPUT_CHECKBOX:
                element.Update(value)
            elif element.Type == ELEM_TYPE_INPUT_RADIO:
                element.Update(value)
            elif element.Type == ELEM_TYPE_INPUT_COMBO:
                element.Update(value)
            elif element.Type == ELEM_TYPE_INPUT_OPTION_MENU:
                element.Update(value)
            elif element.Type == ELEM_TYPE_INPUT_LISTBOX:
                element.SetValue(value)
            elif element.Type == ELEM_TYPE_INPUT_SLIDER:
                element.Update(value)
            elif element.Type == ELEM_TYPE_INPUT_MULTILINE:
                element.Update(value)
            elif element.Type == ELEM_TYPE_INPUT_SPIN:
                element.Update(value)
            elif element.Type == ELEM_TYPE_BUTTON:
                element.Update(value)


def _FindElementFromKeyInSubForm(form, key):
    for row_num, row in enumerate(form.Rows):
        for col_num, element in enumerate(row):
            if element.Type == ELEM_TYPE_COLUMN:
                matching_elem = _FindElementFromKeyInSubForm(element, key)
                if matching_elem is not None:
                    return matching_elem
            if element.Type == ELEM_TYPE_FRAME:
                matching_elem = _FindElementFromKeyInSubForm(element, key)
                if matching_elem is not None:
                    return matching_elem
            if element.Type == ELEM_TYPE_TAB_GROUP:
                matching_elem = _FindElementFromKeyInSubForm(element, key)
                if matching_elem is not None:
                    return matching_elem
            if element.Type == ELEM_TYPE_PANE:
                matching_elem = _FindElementFromKeyInSubForm(element, key)
                if matching_elem is not None:
                    return matching_elem
            if element.Type == ELEM_TYPE_TAB:
                matching_elem = _FindElementFromKeyInSubForm(element, key)
                if matching_elem is not None:
                    return matching_elem
            if element.Key == key:
                return element


def _FindElementWithFocusInSubForm(form):
    for row_num, row in enumerate(form.Rows):
        for col_num, element in enumerate(row):
            if element.Type == ELEM_TYPE_COLUMN:
                matching_elem = _FindElementWithFocusInSubForm(element)
                if matching_elem is not None:
                    return matching_elem
            if element.Type == ELEM_TYPE_FRAME:
                matching_elem = _FindElementWithFocusInSubForm(element)
                if matching_elem is not None:
                    return matching_elem
            if element.Type == ELEM_TYPE_TAB_GROUP:
                matching_elem = _FindElementWithFocusInSubForm(element)
                if matching_elem is not None:
                    return matching_elem
            if element.Type == ELEM_TYPE_TAB:
                matching_elem = _FindElementWithFocusInSubForm(element)
                if matching_elem is not None:
                    return matching_elem
            if element.Type == ELEM_TYPE_INPUT_TEXT:
                if element.TKEntry is not None:
                    if element.TKEntry is element.TKEntry.focus_get():
                        return element
            if element.Type == ELEM_TYPE_INPUT_MULTILINE:
                if element.TKText is not None:
                    if element.TKText is element.TKText.focus_get():
                        return element

if sys.version_info[0] >= 3:
    def AddMenuItem(top_menu, sub_menu_info, element, is_sub_menu=False, skip=False):
        return_val = None
        if type(sub_menu_info) is str:
            if not is_sub_menu and not skip:
                # print(f'Adding command {sub_menu_info}')
                pos = sub_menu_info.find('&')
                if pos != -1:
                    if pos == 0 or sub_menu_info[pos - 1] != "\\":
                        sub_menu_info = sub_menu_info[:pos] + sub_menu_info[pos + 1:]
                if sub_menu_info == '---':
                    top_menu.add('separator')
                else:
                    try:
                        item_without_key = sub_menu_info[:sub_menu_info.index(MENU_KEY_SEPARATOR)]
                    except:
                        item_without_key = sub_menu_info

                    if item_without_key[0] == MENU_DISABLED_CHARACTER:
                        top_menu.add_command(label=item_without_key[len(MENU_DISABLED_CHARACTER):], underline=pos,
                                             command=lambda: element.MenuItemChosenCallback(sub_menu_info))
                        top_menu.entryconfig(item_without_key[len(MENU_DISABLED_CHARACTER):], state='disabled')
                    else:
                        top_menu.add_command(label=item_without_key, underline=pos,
                                         command=lambda: element.MenuItemChosenCallback(sub_menu_info))
        else:
            i = 0
            while i < (len(sub_menu_info)):
                item = sub_menu_info[i]
                if i != len(sub_menu_info) - 1:
                    if type(sub_menu_info[i + 1]) == list:
                        new_menu = tk.Menu(top_menu, tearoff=element.Tearoff)
                        return_val = new_menu
                        pos = sub_menu_info[i].find('&')
                        if pos != -1:
                            if pos == 0 or sub_menu_info[i][pos - 1] != "\\":
                                sub_menu_info[i] = sub_menu_info[i][:pos] + sub_menu_info[i][pos + 1:]
                        if sub_menu_info[i][0] == MENU_DISABLED_CHARACTER:
                            top_menu.add_cascade(label=sub_menu_info[i][len(MENU_DISABLED_CHARACTER):], menu=new_menu, underline=pos, state='disabled')
                        else:
                            top_menu.add_cascade(label=sub_menu_info[i], menu=new_menu, underline=pos)
                        AddMenuItem(new_menu, sub_menu_info[i + 1], element, is_sub_menu=True)
                        i += 1  # skip the next one
                    else:
                        AddMenuItem(top_menu, item, element)
                else:
                    AddMenuItem(top_menu, item, element)
                i += 1
        return return_val
else:
    def AddMenuItem(top_menu, sub_menu_info, element, is_sub_menu=False, skip=False):
        if not isinstance(sub_menu_info, list):
            if not is_sub_menu and not skip:
                # print(f'Adding command {sub_menu_info}')
                pos = sub_menu_info.find('&')
                if pos != -1:
                    if pos == 0 or sub_menu_info[pos - 1] != "\\":
                        sub_menu_info = sub_menu_info[:pos] + sub_menu_info[pos + 1:]
                if sub_menu_info == '---':
                    top_menu.add('separator')
                else:
                    try:
                        item_without_key = sub_menu_info[:sub_menu_info.index(MENU_KEY_SEPARATOR)]
                    except:
                        item_without_key = sub_menu_info

                    if item_without_key[0] == MENU_DISABLED_CHARACTER:
                        top_menu.add_command(label=item_without_key[len(MENU_DISABLED_CHARACTER):], underline=pos,
                                             command=lambda: element.MenuItemChosenCallback(sub_menu_info))
                        top_menu.entryconfig(item_without_key[len(MENU_DISABLED_CHARACTER):], state='disabled')
                    else:
                        top_menu.add_command(label=item_without_key, underline=pos,
                                         command=lambda: element.MenuItemChosenCallback(sub_menu_info))
        else:
            i = 0
            while i < (len(sub_menu_info)):
                item = sub_menu_info[i]
                if i != len(sub_menu_info) - 1:
                    if isinstance(sub_menu_info[i + 1], list):
                        new_menu = tk.Menu(top_menu, tearoff=element.Tearoff)
                        pos = sub_menu_info[i].find('&')
                        if pos != -1:
                            if pos == 0 or sub_menu_info[i][pos - 1] != "\\":
                                sub_menu_info[i] = sub_menu_info[i][:pos] + sub_menu_info[i][pos + 1:]
                        if sub_menu_info[i][0] == MENU_DISABLED_CHARACTER:
                            top_menu.add_cascade(label=sub_menu_info[i][len(MENU_DISABLED_CHARACTER):], menu=new_menu, underline=pos, state='disabled')
                        else:
                            top_menu.add_cascade(label=sub_menu_info[i], menu=new_menu, underline=pos)
                        AddMenuItem(new_menu, sub_menu_info[i + 1], element, is_sub_menu=True)
                        i += 1  # skip the next one
                    else:
                        AddMenuItem(top_menu, item, element)
                else:
                    AddMenuItem(top_menu, item, element)
                i += 1


# 888    888      d8b          888
# 888    888      Y8P          888
# 888    888                   888
# 888888 888  888 888 88888b.  888888  .d88b.  888d888
# 888    888 .88P 888 888 "88b 888    d8P  Y8b 888P"
# 888    888888K  888 888  888 888    88888888 888
# Y88b.  888 "88b 888 888  888 Y88b.  Y8b.     888
#  "Y888 888  888 888 888  888  "Y888  "Y8888  888

# My crappy tkinter code starts here

# ░░░░░░░░░░░█▀▀░░█░░░░░░
# ░░░░░░▄▀▀▀▀░░░░░█▄▄░░░░
# ░░░░░░█░█░░░░░░░░░░▐░░░
# ░░░░░░▐▐░░░░░░░░░▄░▐░░░
# ░░░░░░█░░░░░░░░▄▀▀░▐░░░
# ░░░░▄▀░░░░░░░░▐░▄▄▀░░░░
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# ========================   TK CODE STARTS HERE ========================================= #

def PackFormIntoFrame(form, containing_frame, toplevel_form):
    def CharWidthInPixels():
        return tkinter.font.Font().measure('A')  # single character width

    border_depth = toplevel_form.BorderDepth if toplevel_form.BorderDepth is not None else DEFAULT_BORDER_WIDTH
    # --------------------------------------------------------------------------- #
    # ****************  Use FlexForm to build the tkinter window ********** ----- #
    # Building is done row by row.                                                #
    # --------------------------------------------------------------------------- #
    focus_set = False
    ######################### LOOP THROUGH ROWS #########################
    # *********** -------  Loop through ROWS  ------- ***********#
    for row_num, flex_row in enumerate(form.Rows):
        ######################### LOOP THROUGH ELEMENTS ON ROW #########################
        # *********** -------  Loop through ELEMENTS  ------- ***********#
        # *********** Make TK Row                             ***********#
        tk_row_frame = tk.Frame(containing_frame)
        for col_num, element in enumerate(flex_row):
            element.ParentForm = toplevel_form  # save the button's parent form object
            if toplevel_form.Font and (element.Font == DEFAULT_FONT or not element.Font):
                font = toplevel_form.Font
            elif element.Font is not None:
                font = element.Font
            else:
                font = DEFAULT_FONT
            # -------  Determine Auto-Size setting on a cascading basis ------- #
            if element.AutoSizeText is not None:  # if element overide
                auto_size_text = element.AutoSizeText
            elif toplevel_form.AutoSizeText is not None:  # if form override
                auto_size_text = toplevel_form.AutoSizeText
            else:
                auto_size_text = DEFAULT_AUTOSIZE_TEXT
            element_type = element.Type
            # Set foreground color
            text_color = element.TextColor
            elementpad = element.Pad if element.Pad is not None else toplevel_form.ElementPadding
            # Determine Element size
            element_size = element.Size
            if (element_size == (None, None) and element_type not in (ELEM_TYPE_BUTTON, ELEM_TYPE_BUTTONMENU)):  # user did not specify a size
                element_size = toplevel_form.DefaultElementSize
            elif (element_size == (None, None) and element_type in (ELEM_TYPE_BUTTON, ELEM_TYPE_BUTTONMENU)):
                element_size = toplevel_form.DefaultButtonElementSize
            else:
                auto_size_text = False  # if user has specified a size then it shouldn't autosize
            # -------------------------  COLUMN element  ------------------------- #
            if element_type == ELEM_TYPE_COLUMN:
                if element.Scrollable:
                    element.TKColFrame = TkScrollableFrame(tk_row_frame, element.VerticalScrollOnly)  # do not use yet!  not working
                    PackFormIntoFrame(element, element.TKColFrame.TKFrame, toplevel_form)
                    element.TKColFrame.TKFrame.update()
                    if element.Size == (None, None):  # if no size specified, use column width x column height/2
                        element.TKColFrame.canvas.config(width=element.TKColFrame.TKFrame.winfo_reqwidth(),
                                                height=element.TKColFrame.TKFrame.winfo_reqheight() / 2)
                    else:
                        element.TKColFrame.canvas.config(width=element.Size[0], height=element.Size[1])

                    if not element.BackgroundColor in (None, COLOR_SYSTEM_DEFAULT):
                        element.TKColFrame.canvas.config(background=element.BackgroundColor)
                        element.TKColFrame.TKFrame.config(background=element.BackgroundColor, borderwidth=0,
                                                 highlightthickness=0)
                        element.TKColFrame.config(background=element.BackgroundColor, borderwidth=0, highlightthickness=0)
                else:
                    if element.Size != (None, None):
                        element.TKColFrame = TkFixedFrame(tk_row_frame)
                        PackFormIntoFrame(element, element.TKColFrame.TKFrame, toplevel_form)
                        element.TKColFrame.TKFrame.update()
                        if element.Size[1] is not None:
                            element.TKColFrame.canvas.config(height=element.Size[1])
                        elif element.Size[0] is not None:
                            element.TKColFrame.canvas.config(width=element.Size[0])
                    else:
                        element.TKColFrame = tk.Frame(tk_row_frame)
                        PackFormIntoFrame(element, element.TKColFrame, toplevel_form)

                element.TKColFrame.pack(side=tk.LEFT, padx=elementpad[0], pady=elementpad[1], expand=True, fill='both')
                if element.Visible is False:
                    element.TKColFrame.pack_forget()

                element.TKColFrame = element.TKColFrame
                if element.BackgroundColor != COLOR_SYSTEM_DEFAULT and element.BackgroundColor is not None:
                    element.TKColFrame.configure(background=element.BackgroundColor, highlightbackground=element.BackgroundColor,
                                        highlightcolor=element.BackgroundColor)
                if element.RightClickMenu or toplevel_form.RightClickMenu:
                    menu = element.RightClickMenu or toplevel_form.RightClickMenu
                    top_menu = tk.Menu(toplevel_form.TKroot, tearoff=False)
                    AddMenuItem(top_menu, menu[1], element)
                    element.TKRightClickMenu = top_menu
                    element.TKColFrame.bind('<Button-3>', element.RightClickMenuCallback)
            # -------------------------  Pane element  ------------------------- #
            if element_type == ELEM_TYPE_PANE:
                bd = element.BorderDepth if element.BorderDepth is not None else border_depth
                element.PanedWindow = tk.PanedWindow(tk_row_frame,
                                                     orient=tk.VERTICAL if element.Orientation.startswith('v') else tk.HORIZONTAL,
                                                     borderwidth=bd,
                                                     bd=bd,
                                                     )
                if element.Relief is not None:
                    element.PanedWindow.configure(relief=element.Relief)
                element.PanedWindow.configure(handlesize=element.HandleSize)
                if element.ShowHandle:
                    element.PanedWindow.config(showhandle=True)
                if element.Size != (None, None):
                    element.PanedWindow.config(width=element.Size[0], height=element.Size[1])
                if element.BackgroundColor is not None and element.BackgroundColor != COLOR_SYSTEM_DEFAULT:
                    element.PanedWindow.configure(background=element.BackgroundColor)
                for pane in element.PaneList:
                    pane.TKColFrame = tk.Frame(element.PanedWindow)
                    pane.ParentPanedWindow = element.PanedWindow
                    PackFormIntoFrame(pane, pane.TKColFrame, toplevel_form)
                    if pane.Visible:
                        element.PanedWindow.add(pane.TKColFrame)
                    if pane.BackgroundColor != COLOR_SYSTEM_DEFAULT and pane.BackgroundColor is not None:
                        pane.TKColFrame.configure(background=pane.BackgroundColor, highlightbackground=pane.BackgroundColor,
                                        highlightcolor=pane.BackgroundColor)

                element.PanedWindow.pack(side=tk.LEFT, padx=elementpad[0], pady=elementpad[1], expand=True, fill='both')
                if element.Visible is False:
                    element.PanedWindow.pack_forget()
            # -------------------------  TEXT element  ------------------------- #
            elif element_type == ELEM_TYPE_TEXT:
                # auto_size_text = element.AutoSizeText
                element = element           # type: Text
                display_text = element.DisplayText  # text to display
                if auto_size_text is False:
                    width, height = element_size
                else:
                    lines = display_text.split('\n')
                    max_line_len = max([len(l) for l in lines])
                    num_lines = len(lines)
                    if max_line_len > element_size[0]:  # if text exceeds element size, the will have to wrap
                        width = element_size[0]
                    else:
                        width = max_line_len
                    height = num_lines
                # ---===--- LABEL widget create and place --- #
                stringvar = tk.StringVar()
                element.TKStringVar = stringvar
                stringvar.set(display_text)
                if auto_size_text:
                    width = 0
                if element.Justification is not None:
                    justification = element.Justification
                elif toplevel_form.TextJustification is not None:
                    justification = toplevel_form.TextJustification
                else:
                    justification = DEFAULT_TEXT_JUSTIFICATION
                justify = tk.LEFT if justification == 'left' else tk.CENTER if justification == 'center' else tk.RIGHT
                anchor = tk.NW if justification == 'left' else tk.N if justification == 'center' else tk.NE
                # tktext_label = tk.Label(tk_row_frame, textvariable=stringvar, width=width, height=height,
                #                         justify=justify, bd=border_depth, font=font)
                tktext_label = tk.Label(tk_row_frame, textvariable=stringvar, width=width, height=height,
                                        justify=justify, bd=border_depth, font=font)
                # Set wrap-length for text (in PIXELS) == PAIN IN THE ASS
                wraplen = tktext_label.winfo_reqwidth() + 40  # width of widget in Pixels
                if not auto_size_text and height == 1:
                    wraplen = 0
                # print("wraplen, width, height", wraplen, width, height)
                tktext_label.configure(anchor=anchor, wraplen=wraplen)  # set wrap to width of widget
                if element.Relief is not None:
                    tktext_label.configure(relief=element.Relief)
                if element.BackgroundColor is not None and element.BackgroundColor != COLOR_SYSTEM_DEFAULT:
                    tktext_label.configure(background=element.BackgroundColor)
                if element.TextColor != COLOR_SYSTEM_DEFAULT and element.TextColor is not None:
                    tktext_label.configure(fg=element.TextColor)
                tktext_label.pack(side=tk.LEFT, padx=elementpad[0], pady=elementpad[1], expand=True)
                if element.Visible is False:
                    tktext_label.pack_forget()
                element.TKText = tktext_label
                if element.ClickSubmits:
                    tktext_label.bind('<Button-1>', element.TextClickedHandler)
                if element.Tooltip is not None:
                    element.TooltipObject = ToolTip(element.TKText, text=element.Tooltip, timeout=DEFAULT_TOOLTIP_TIME)
                if element.RightClickMenu or toplevel_form.RightClickMenu:
                    menu = element.RightClickMenu or toplevel_form.RightClickMenu
                    top_menu = tk.Menu(toplevel_form.TKroot, tearoff=False)
                    AddMenuItem(top_menu, menu[1], element)
                    element.TKRightClickMenu = top_menu
                    tktext_label.bind('<Button-3>', element.RightClickMenuCallback)
            # -------------------------  BUTTON element  ------------------------- #
            elif element_type == ELEM_TYPE_BUTTON:
                stringvar = tk.StringVar()
                element.TKStringVar = stringvar
                element.Location = (row_num, col_num)
                btext = element.ButtonText
                btype = element.BType
                if element.AutoSizeButton is not None:
                    auto_size = element.AutoSizeButton
                else:
                    auto_size = toplevel_form.AutoSizeButtons
                if auto_size is False or element.Size[0] is not None:
                    width, height = element_size
                else:
                    width = 0
                    height = toplevel_form.DefaultButtonElementSize[1]
                if element.ButtonColor != (None, None) and element.ButtonColor != DEFAULT_BUTTON_COLOR:
                    bc = element.ButtonColor
                elif toplevel_form.ButtonColor != (None, None) and toplevel_form.ButtonColor != DEFAULT_BUTTON_COLOR:
                    bc = toplevel_form.ButtonColor
                else:
                    bc = DEFAULT_BUTTON_COLOR
                border_depth = element.BorderWidth
                if btype != BUTTON_TYPE_REALTIME:
                    tkbutton = tk.Button(tk_row_frame, text=btext, width=width, height=height,
                                         command=element.ButtonCallBack, justify=tk.LEFT, bd=border_depth, font=font)
                else:
                    tkbutton = tk.Button(tk_row_frame, text=btext, width=width, height=height, justify=tk.LEFT,
                                         bd=border_depth, font=font)
                    tkbutton.bind('<ButtonRelease-1>', element.ButtonReleaseCallBack)
                    tkbutton.bind('<ButtonPress-1>', element.ButtonPressCallBack)
                if bc != (None, None) and bc != COLOR_SYSTEM_DEFAULT and bc[1] != COLOR_SYSTEM_DEFAULT:
                    tkbutton.config(foreground=bc[0], background=bc[1], activebackground=bc[1])
                elif bc[1] == COLOR_SYSTEM_DEFAULT:
                    tkbutton.config(foreground=bc[0])
                if border_depth == 0:
                    tkbutton.config(relief=tk.FLAT)
                    tkbutton.config(highlightthickness=0)
                element.TKButton = tkbutton  # not used yet but save the TK button in case
                wraplen = tkbutton.winfo_reqwidth()  # width of widget in Pixels
                if element.ImageFilename:  # if button has an image on it
                    tkbutton.config(highlightthickness=0)
                    photo = tk.PhotoImage(file=element.ImageFilename)
                    if element.ImageSubsample:
                        photo = photo.subsample(element.ImageSubsample)
                    if element.ImageSize != (None, None):
                        width, height = element.ImageSize
                    else:
                        width, height = photo.width(), photo.height()
                    tkbutton.config(image=photo, compound=tk.CENTER, width=width, height=height)
                    tkbutton.image = photo
                if element.ImageData:  # if button has an image on it
                    tkbutton.config(highlightthickness=0)
                    photo = tk.PhotoImage(data=element.ImageData)
                    if element.ImageSubsample:
                        photo = photo.subsample(element.ImageSubsample)
                    if element.ImageSize != (None, None):
                        width, height = element.ImageSize
                    else:
                        width, height = photo.width(), photo.height()
                    tkbutton.config(image=photo, compound=tk.CENTER, width=width, height=height)
                    tkbutton.image = photo
                if width != 0:
                    tkbutton.configure(wraplength=wraplen + 10)  # set wrap to width of widget
                tkbutton.pack(side=tk.LEFT, padx=elementpad[0], pady=elementpad[1])
                if element.Visible is False:
                    tkbutton.pack_forget()
                if element.BindReturnKey:
                    element.TKButton.bind('<Return>', element.ReturnKeyHandler)
                if element.Focus is True or (toplevel_form.UseDefaultFocus and not focus_set):
                    focus_set = True
                    element.TKButton.bind('<Return>', element.ReturnKeyHandler)
                    element.TKButton.focus_set()
                    toplevel_form.TKroot.focus_force()
                if element.Disabled == True:
                    element.TKButton['state'] = 'disabled'
                if element.Tooltip is not None:
                    element.TooltipObject = ToolTip(element.TKButton, text=element.Tooltip,
                                                    timeout=DEFAULT_TOOLTIP_TIME)
            # -------------------------  BUTTONMENU element  ------------------------- #
            elif element_type == ELEM_TYPE_BUTTONMENU:
                element.Location = (row_num, col_num)
                btext = element.ButtonText
                if element.AutoSizeButton is not None:
                    auto_size = element.AutoSizeButton
                else:
                    auto_size = toplevel_form.AutoSizeButtons
                if auto_size is False or element.Size[0] is not None:
                    width, height = element_size
                else:
                    width = 0
                    height = toplevel_form.DefaultButtonElementSize[1]
                if element.ButtonColor != (None, None) and element.ButtonColor != DEFAULT_BUTTON_COLOR:
                    bc = element.ButtonColor
                elif toplevel_form.ButtonColor != (None, None) and toplevel_form.ButtonColor != DEFAULT_BUTTON_COLOR:
                    bc = toplevel_form.ButtonColor
                else:
                    bc = DEFAULT_BUTTON_COLOR
                border_depth = element.BorderWidth
                tkbutton = tk.Menubutton(tk_row_frame, text=btext, width=width, height=height, justify=tk.LEFT, bd=border_depth, font=font)
                element.TKButtonMenu = tkbutton
                if bc != (None, None) and bc != COLOR_SYSTEM_DEFAULT and bc[1] != COLOR_SYSTEM_DEFAULT:
                    tkbutton.config(foreground=bc[0], background=bc[1], activebackground=bc[1])
                elif bc[1] == COLOR_SYSTEM_DEFAULT:
                    tkbutton.config(foreground=bc[0])
                if border_depth == 0:
                    tkbutton.config(relief=tk.FLAT)
                    tkbutton.config(highlightthickness=0)
                element.TKButton = tkbutton  # not used yet but save the TK button in case
                wraplen = tkbutton.winfo_reqwidth()  # width of widget in Pixels
                if element.ImageFilename:  # if button has an image on it
                    tkbutton.config(highlightthickness=0)
                    photo = tk.PhotoImage(file=element.ImageFilename)
                    if element.ImageSize != (None, None):
                        width, height = element.ImageSize
                        if element.ImageSubsample:
                            photo = photo.subsample(element.ImageSubsample)
                    else:
                        width, height = photo.width(), photo.height()
                    tkbutton.config(image=photo, compound=tk.CENTER, width=width, height=height)
                    tkbutton.image = photo
                if element.ImageData:  # if button has an image on it
                    tkbutton.config(highlightthickness=0)
                    photo = tk.PhotoImage(data=element.ImageData)
                    if element.ImageSize != (None, None):
                        width, height = element.ImageSize
                        if element.ImageSubsample:
                            photo = photo.subsample(element.ImageSubsample)
                    else:
                        width, height = photo.width(), photo.height()
                    tkbutton.config(image=photo, compound=tk.CENTER, width=width, height=height)
                    tkbutton.image = photo
                if width != 0:
                    tkbutton.configure(wraplength=wraplen + 10)  # set wrap to width of widget
                tkbutton.pack(side=tk.LEFT, padx=elementpad[0], pady=elementpad[1])

                menu_def = element.MenuDefinition

                top_menu = tk.Menu(tkbutton, tearoff=False)
                AddMenuItem(top_menu, menu_def[1], element)

                tkbutton.configure(menu=top_menu)

                if element.Visible is False:
                    tkbutton.pack_forget()
                if element.Disabled == True:
                    element.TKButton['state'] = 'disabled'
                if element.Tooltip is not None:
                    element.TooltipObject = ToolTip(element.TKButton, text=element.Tooltip,
                                                    timeout=DEFAULT_TOOLTIP_TIME)


            # -------------------------  INPUT element  ------------------------- #
            elif element_type == ELEM_TYPE_INPUT_TEXT:
                default_text = element.DefaultText
                element.TKStringVar = tk.StringVar()
                element.TKStringVar.set(default_text)
                show = element.PasswordCharacter if element.PasswordCharacter else ""
                if element.Justification is not None:
                    justification = element.Justification
                else:
                    justification = DEFAULT_TEXT_JUSTIFICATION
                justify = tk.LEFT if justification == 'left' else tk.CENTER if justification == 'center' else tk.RIGHT
                # anchor = tk.NW if justification == 'left' else tk.N if justification == 'center' else tk.NE
                element.TKEntry = tk.Entry(tk_row_frame, width=element_size[0], textvariable=element.TKStringVar,
                                           bd=border_depth, font=font, show=show, justify=justify)
                if element.ChangeSubmits:
                    element.TKEntry.bind('<Key>', element.KeyboardHandler)
                element.TKEntry.bind('<Return>', element.ReturnKeyHandler)
                if element.BackgroundColor is not None and element.BackgroundColor != COLOR_SYSTEM_DEFAULT:
                    element.TKEntry.configure(background=element.BackgroundColor)
                if text_color is not None and text_color != COLOR_SYSTEM_DEFAULT:
                    element.TKEntry.configure(fg=text_color)
                element.TKEntry.pack(side=tk.LEFT, padx=elementpad[0], pady=elementpad[1], expand=True, fill='x')
                if element.Visible is False:
                    element.TKEntry.pack_forget()
                if element.Focus is True or (toplevel_form.UseDefaultFocus and not focus_set):
                    focus_set = True
                    element.TKEntry.focus_set()
                if element.Disabled:
                    element.TKEntry['state'] = 'readonly'
                if element.Tooltip is not None:
                    element.TooltipObject = ToolTip(element.TKEntry, text=element.Tooltip, timeout=DEFAULT_TOOLTIP_TIME)
                if element.RightClickMenu or toplevel_form.RightClickMenu:
                    menu = element.RightClickMenu or toplevel_form.RightClickMenu
                    top_menu = tk.Menu(toplevel_form.TKroot, tearoff=False)
                    AddMenuItem(top_menu, menu[1], element)
                    element.TKRightClickMenu = top_menu
                    element.TKEntry.bind('<Button-3>', element.RightClickMenuCallback)
            # -------------------------  COMBOBOX element  ------------------------- #
            elif element_type == ELEM_TYPE_INPUT_COMBO:
                max_line_len = max([len(str(l)) for l in element.Values])
                if auto_size_text is False:
                    width = element_size[0]
                else:
                    width = max_line_len
                element.TKStringVar = tk.StringVar()
                style_name = 'TCombobox'
                if element.TextColor is not None and element.TextColor != COLOR_SYSTEM_DEFAULT:
                    # Creates 1 style per Text Color/ Background Color combination
                    style_name = element.TextColor + element.BackgroundColor + '.TCombobox'
                    # print(style_name)
                    combostyle = ttk.Style()

                    unique_field = str(time.time()).replace('.','') + '.TCombobox.field'
                    # Creates a unique name for each field element(Sure there is a better way to do this)
                    # unique_field = str(datetime.datetime.today().timestamp()).replace('.','') + '.TCombobox.field'
                    # unique_field = str(randint(1,50000000)) + '.TCombobox.field'

                    # print(unique_field)
                    # Clones over the TCombobox.field element from the "alt" theme.
                    # This is what will allow us to change the background color without altering the whole programs theme
                    combostyle.element_create(unique_field, "from", "alt")

                    # Create widget layout using cloned "alt" field
                    combostyle.layout(style_name, [
                        (unique_field, {'children': [('Combobox.downarrow', {'side': 'right', 'sticky': 'ns'}),
                                                     ('Combobox.padding',
                                                      {'children': [('Combobox.focus',
                                                                     {'children': [('Combobox.textarea',
                                                                                    {'sticky': 'nswe'})],
                                                                      'expand': '1',
                                                                      'sticky': 'nswe'})],
                                                       'expand': '1',
                                                       'sticky': 'nswe'})],
                                        'sticky': 'nswe'})])

                    # Copy default TCombobox settings
                    # Getting an error on this line of code
                    # combostyle.configure(style_name, *combostyle.configure("TCombobox"))

                    # Set individual widget options
                    combostyle.configure(style_name, foreground=element.TextColor)
                    combostyle.configure(style_name, selectbackground='gray70')
                    combostyle.configure(style_name, fieldbackground=element.BackgroundColor)
                    combostyle.configure(style_name, selectforeground=element.TextColor)

                element.TKCombo = ttk.Combobox(tk_row_frame, width=width, textvariable=element.TKStringVar, font=font, style=style_name)
                if element.Size[1] != 1 and element.Size[1] is not None:
                    element.TKCombo.configure(height=element.Size[1])
                element.TKCombo['values'] = element.Values

                element.TKCombo.pack(side=tk.LEFT, padx=elementpad[0], pady=elementpad[1])
                if element.Visible is False:
                    element.TKCombo.pack_forget()
                if element.DefaultValue:
                    for i, v in enumerate(element.Values):
                        if v == element.DefaultValue:
                            element.TKCombo.current(i)
                            break
                else:
                    element.TKCombo.current(0)
                if element.ChangeSubmits:
                    element.TKCombo.bind('<<ComboboxSelected>>', element.ComboboxSelectHandler)
                if element.Readonly:
                    element.TKCombo['state'] = 'readonly'
                if element.Disabled is True:  # note overrides readonly if disabled
                    element.TKCombo['state'] = 'disabled'
                if element.Tooltip is not None:
                    element.TooltipObject = ToolTip(element.TKCombo, text=element.Tooltip, timeout=DEFAULT_TOOLTIP_TIME)
            # -------------------------  OPTION MENU Element (Like ComboBox but different) element  ------------------------- #
            elif element_type == ELEM_TYPE_INPUT_OPTION_MENU:
                max_line_len = max([len(str(l)) for l in element.Values])
                if auto_size_text is False:
                    width = element_size[0]
                else:
                    width = max_line_len
                element.TKStringVar = tk.StringVar()
                default = element.DefaultValue if element.DefaultValue else element.Values[0]
                element.TKStringVar.set(default)
                element.TKOptionMenu = tk.OptionMenu(tk_row_frame, element.TKStringVar, *element.Values)
                element.TKOptionMenu.config(highlightthickness=0, font=font, width=width)
                element.TKOptionMenu.config(borderwidth=border_depth)
                if element.BackgroundColor is not None and element.BackgroundColor != COLOR_SYSTEM_DEFAULT:
                    element.TKOptionMenu.configure(background=element.BackgroundColor)
                if element.TextColor != COLOR_SYSTEM_DEFAULT and element.TextColor is not None:
                    element.TKOptionMenu.configure(fg=element.TextColor)
                element.TKOptionMenu.pack(side=tk.LEFT, padx=elementpad[0], pady=elementpad[1])
                if element.Visible is False:
                    element.TKOptionMenu.pack_forget()
                if element.Disabled == True:
                    element.TKOptionMenu['state'] = 'disabled'
                if element.Tooltip is not None:
                    element.TooltipObject = ToolTip(element.TKOptionMenu, text=element.Tooltip,
                                                    timeout=DEFAULT_TOOLTIP_TIME)
            # -------------------------  LISTBOX element  ------------------------- #
            elif element_type == ELEM_TYPE_INPUT_LISTBOX:
                max_line_len = max([len(str(l)) for l in element.Values]) if len(element.Values) != 0 else 0
                if auto_size_text is False:
                    width = element_size[0]
                else:
                    width = max_line_len
                listbox_frame = tk.Frame(tk_row_frame)
                element.TKStringVar = tk.StringVar()
                element.TKListbox = tk.Listbox(listbox_frame, height=element_size[1], width=width,
                                               selectmode=element.SelectMode, font=font, exportselection=False)
                for index, item in enumerate(element.Values):
                    element.TKListbox.insert(tk.END, item)
                    if element.DefaultValues is not None and item in element.DefaultValues:
                        element.TKListbox.selection_set(index)
                if element.BackgroundColor is not None and element.BackgroundColor != COLOR_SYSTEM_DEFAULT:
                    element.TKListbox.configure(background=element.BackgroundColor)
                if text_color is not None and text_color != COLOR_SYSTEM_DEFAULT:
                    element.TKListbox.configure(fg=text_color)
                if element.ChangeSubmits:
                    element.TKListbox.bind('<<ListboxSelect>>', element.ListboxSelectHandler)
                vsb = tk.Scrollbar(listbox_frame, orient="vertical", command=element.TKListbox.yview)
                element.TKListbox.configure(yscrollcommand=vsb.set)
                element.TKListbox.pack(side=tk.LEFT)
                vsb.pack(side=tk.LEFT, fill='y')
                listbox_frame.pack(side=tk.LEFT, padx=elementpad[0], pady=elementpad[1])
                if element.Visible is False:
                    listbox_frame.pack_forget()
                if element.BindReturnKey:
                    element.TKListbox.bind('<Return>', element.ListboxSelectHandler)
                    element.TKListbox.bind('<Double-Button-1>', element.ListboxSelectHandler)
                if element.Disabled == True:
                    element.TKListbox['state'] = 'disabled'
                if element.Tooltip is not None:
                    element.TooltipObject = ToolTip(element.TKListbox, text=element.Tooltip,
                                                    timeout=DEFAULT_TOOLTIP_TIME)
                if element.RightClickMenu or toplevel_form.RightClickMenu:
                    menu = element.RightClickMenu or toplevel_form.RightClickMenu
                    top_menu = tk.Menu(toplevel_form.TKroot, tearoff=False)
                    AddMenuItem(top_menu, menu[1], element)
                    element.TKRightClickMenu = top_menu
                    element.TKListbox.bind('<Button-3>', element.RightClickMenuCallback)
            # -------------------------  MULTILINE element  ------------------------- #
            elif element_type == ELEM_TYPE_INPUT_MULTILINE:
                element = element       # type: Multiline
                default_text = element.DefaultText
                width, height = element_size
                element.TKText = tk.scrolledtext.ScrolledText(tk_row_frame, width=width, height=height, wrap='word',
                                                              bd=border_depth, font=font, relief=tk.FLAT)
                element.TKText.insert(1.0, default_text)  # set the default text
                if element.BackgroundColor is not None and element.BackgroundColor != COLOR_SYSTEM_DEFAULT:
                    element.TKText.configure(background=element.BackgroundColor)
                    element.TKText.vbar.config(troughcolor=DEFAULT_SCROLLBAR_COLOR)
                element.TKText.pack(side=tk.LEFT, padx=elementpad[0], pady=elementpad[1], expand=True, fill='both')
                if element.Visible is False:
                    element.TKText.pack_forget()
                if element.ChangeSubmits:
                    element.TKText.bind('<Key>', element.KeyboardHandler)
                if element.EnterSubmits:
                    element.TKText.bind('<Return>', element.ReturnKeyHandler)
                if element.Focus is True or (toplevel_form.UseDefaultFocus and not focus_set):
                    focus_set = True
                    element.TKText.focus_set()
                if text_color is not None and text_color != COLOR_SYSTEM_DEFAULT:
                    element.TKText.configure(fg=text_color)
                if element.Disabled == True:
                    element.TKText['state'] = 'disabled'
                if element.Tooltip is not None:
                    element.TooltipObject = ToolTip(element.TKText, text=element.Tooltip, timeout=DEFAULT_TOOLTIP_TIME)
                if element.RightClickMenu or toplevel_form.RightClickMenu:
                    menu = element.RightClickMenu or toplevel_form.RightClickMenu
                    top_menu = tk.Menu(toplevel_form.TKroot, tearoff=False)
                    AddMenuItem(top_menu, menu[1], element)
                    element.TKRightClickMenu = top_menu
                    element.TKText.bind('<Button-3>', element.RightClickMenuCallback)
            # -------------------------  CHECKBOX element  ------------------------- #
            elif element_type == ELEM_TYPE_INPUT_CHECKBOX:
                width = 0 if auto_size_text else element_size[0]
                default_value = element.InitialState
                element.TKIntVar = tk.IntVar()
                element.TKIntVar.set(default_value if default_value is not None else 0)
                if element.ChangeSubmits:
                    element.TKCheckbutton = tk.Checkbutton(tk_row_frame, anchor=tk.NW, text=element.Text, width=width,
                                                           variable=element.TKIntVar, bd=border_depth, font=font,
                                                           command=element.CheckboxHandler)
                else:
                    element.TKCheckbutton = tk.Checkbutton(tk_row_frame, anchor=tk.NW, text=element.Text, width=width,
                                                           variable=element.TKIntVar, bd=border_depth, font=font)
                if default_value is None or element.Disabled:
                    element.TKCheckbutton.configure(state='disable')
                if element.BackgroundColor is not None and element.BackgroundColor != COLOR_SYSTEM_DEFAULT:
                    element.TKCheckbutton.configure(background=element.BackgroundColor)
                    element.TKCheckbutton.configure(selectcolor=element.BackgroundColor)
                    element.TKCheckbutton.configure(activebackground=element.BackgroundColor)
                if text_color is not None and text_color != COLOR_SYSTEM_DEFAULT:
                    element.TKCheckbutton.configure(fg=text_color)
                element.TKCheckbutton.pack(side=tk.LEFT, padx=elementpad[0], pady=elementpad[1])
                if element.Visible is False:
                    element.TKCheckbutton.pack_forget()
                if element.Tooltip is not None:
                    element.TooltipObject = ToolTip(element.TKCheckbutton, text=element.Tooltip,
                                                    timeout=DEFAULT_TOOLTIP_TIME)
            # -------------------------  PROGRESS BAR element  ------------------------- #
            elif element_type == ELEM_TYPE_PROGRESS_BAR:
                # save this form because it must be 'updated' (refreshed) solely for the purpose of updating bar
                width = element_size[0]
                fnt = tkinter.font.Font()
                char_width = fnt.measure('A')  # single character width
                progress_length = width * char_width
                progress_width = element_size[1]
                direction = element.Orientation
                if element.BarColor != (None, None):  # if element has a bar color, use it
                    bar_color = element.BarColor
                else:
                    bar_color = DEFAULT_PROGRESS_BAR_COLOR
                element.TKProgressBar = TKProgressBar(tk_row_frame, element.MaxValue, progress_length, progress_width,
                                                      orientation=direction, BarColor=bar_color,
                                                      border_width=element.BorderWidth, relief=element.Relief,
                                                      style=element.BarStyle, key=element.Key)
                element.TKProgressBar.TKProgressBarForReal.pack(side=tk.LEFT, padx=elementpad[0], pady=elementpad[1])
                if element.Visible is False:
                    element.TKProgressBar.TKProgressBarForReal.pack_forget()
                # -------------------------  RADIO BUTTON element  ------------------------- #
            elif element_type == ELEM_TYPE_INPUT_RADIO:
                width = 0 if auto_size_text else element_size[0]
                default_value = element.InitialState
                ID = element.GroupID
                # see if ID has already been placed
                value = EncodeRadioRowCol(row_num, col_num)  # value to set intvar to if this radio is selected
                if ID in toplevel_form.RadioDict:
                    RadVar = toplevel_form.RadioDict[ID]
                else:
                    RadVar = tk.IntVar()
                    toplevel_form.RadioDict[ID] = RadVar
                element.TKIntVar = RadVar  # store the RadVar in Radio object
                if default_value:  # if this radio is the one selected, set RadVar to match
                    element.TKIntVar.set(value)
                if element.ChangeSubmits:
                    element.TKRadio = tk.Radiobutton(tk_row_frame, anchor=tk.NW, text=element.Text, width=width,
                                                     variable=element.TKIntVar, value=value, bd=border_depth, font=font,
                                                     command=element.RadioHandler)
                else:
                    element.TKRadio = tk.Radiobutton(tk_row_frame, anchor=tk.NW, text=element.Text, width=width,
                                                     variable=element.TKIntVar, value=value, bd=border_depth, font=font)
                if not element.BackgroundColor in (None, COLOR_SYSTEM_DEFAULT):
                    element.TKRadio.configure(background=element.BackgroundColor)
                    element.TKRadio.configure(selectcolor=element.BackgroundColor)
                if text_color is not None and text_color != COLOR_SYSTEM_DEFAULT:
                    element.TKRadio.configure(fg=text_color)
                if element.Disabled:
                    element.TKRadio['state'] = 'disabled'
                element.TKRadio.pack(side=tk.LEFT, padx=elementpad[0], pady=elementpad[1])
                if element.Visible is False:
                    element.TKRadio.pack_forget()
                if element.Tooltip is not None:
                    element.TooltipObject = ToolTip(element.TKRadio, text=element.Tooltip, timeout=DEFAULT_TOOLTIP_TIME)
                # -------------------------  SPIN element  ------------------------- #
            elif element_type == ELEM_TYPE_INPUT_SPIN:
                width, height = element_size
                width = 0 if auto_size_text else element_size[0]
                element.TKStringVar = tk.StringVar()
                element.TKSpinBox = tk.Spinbox(tk_row_frame, values=element.Values, textvariable=element.TKStringVar,
                                               width=width, bd=border_depth)
                element.TKStringVar.set(element.DefaultValue)
                element.TKSpinBox.configure(font=font)  # set wrap to width of widget
                if element.BackgroundColor is not None and element.BackgroundColor != COLOR_SYSTEM_DEFAULT:
                    element.TKSpinBox.configure(background=element.BackgroundColor)
                element.TKSpinBox.pack(side=tk.LEFT, padx=elementpad[0], pady=elementpad[1])
                if element.Visible is False:
                    element.TKSpinBox.pack_forget()
                if text_color is not None and text_color != COLOR_SYSTEM_DEFAULT:
                    element.TKSpinBox.configure(fg=text_color)
                if element.ChangeSubmits:
                    element.TKSpinBox.bind('<ButtonRelease-1>', element.SpinChangedHandler)
                if element.Disabled == True:
                    element.TKSpinBox['state'] = 'disabled'
                if element.Tooltip is not None:
                    element.TooltipObject = ToolTip(element.TKSpinBox, text=element.Tooltip,
                                                    timeout=DEFAULT_TOOLTIP_TIME)
                # -------------------------  OUTPUT element  ------------------------- #
            elif element_type == ELEM_TYPE_OUTPUT:
                width, height = element_size
                element._TKOut = TKOutput(tk_row_frame, width=width, height=height, bd=border_depth,
                                          background_color=element.BackgroundColor, text_color=text_color, font=font,
                                          pad=elementpad)
                element._TKOut.pack(side=tk.LEFT, expand=True, fill='both')
                if element.Visible is False:
                    element._TKOut.frame.pack_forget()
                if element.Tooltip is not None:
                    element.TooltipObject = ToolTip(element._TKOut, text=element.Tooltip, timeout=DEFAULT_TOOLTIP_TIME)
                if element.RightClickMenu or toplevel_form.RightClickMenu:
                    menu = element.RightClickMenu or toplevel_form.RightClickMenu
                    top_menu = tk.Menu(toplevel_form.TKroot, tearoff=False)
                    AddMenuItem(top_menu, menu[1], element)
                    element.TKRightClickMenu = top_menu
                    element._TKOut.bind('<Button-3>', element.RightClickMenuCallback)
                # -------------------------  IMAGE element  ------------------------- #
            elif element_type == ELEM_TYPE_IMAGE:
                if element.Filename is not None:
                    photo = tk.PhotoImage(file=element.Filename)
                elif element.Data is not None:
                    photo = tk.PhotoImage(data=element.Data)
                else:
                    photo = None
                    print('*ERROR laying out form.... Image Element has no image specified*')

                if photo is not None:
                    if element_size == (
                            None, None) or element_size == None or element_size == toplevel_form.DefaultElementSize:
                        width, height = photo.width(), photo.height()
                    else:
                        width, height = element_size
                    if photo is not None:
                        element.tktext_label = tk.Label(tk_row_frame, image=photo, width=width, height=height,
                                                        bd=border_depth)
                    else:
                        element.tktext_label = tk.Label(tk_row_frame, width=width, height=height, bd=border_depth)
                    if element.BackgroundColor is not None:
                        element.tktext_label.config(background=element.BackgroundColor)

                    element.tktext_label.image = photo
                    # tktext_label.configure(anchor=tk.NW, image=photo)
                    element.tktext_label.pack(side=tk.LEFT, padx=elementpad[0], pady=elementpad[1])
                    if element.Visible is False:
                        element.tktext_label.pack_forget()
                    if element.Tooltip is not None:
                        element.TooltipObject = ToolTip(element.tktext_label, text=element.Tooltip,
                                                        timeout=DEFAULT_TOOLTIP_TIME)
                    if element.EnableEvents:
                        element.tktext_label.bind('<ButtonPress-1>', element.ClickHandler)
                    if element.RightClickMenu or toplevel_form.RightClickMenu:
                        menu = element.RightClickMenu or toplevel_form.RightClickMenu
                        top_menu = tk.Menu(toplevel_form.TKroot, tearoff=False)
                        AddMenuItem(top_menu, menu[1], element)
                        element.TKRightClickMenu = top_menu
                        element.tktext_label.bind('<Button-3>', element.RightClickMenuCallback)
                # -------------------------  Canvas element  ------------------------- #
            elif element_type == ELEM_TYPE_CANVAS:
                width, height = element_size
                if element._TKCanvas is None:
                    element._TKCanvas = tk.Canvas(tk_row_frame, width=width, height=height, bd=border_depth)
                else:
                    element._TKCanvas.master = tk_row_frame
                if element.BackgroundColor is not None and element.BackgroundColor != COLOR_SYSTEM_DEFAULT:
                    element._TKCanvas.configure(background=element.BackgroundColor, highlightthickness=0)
                element._TKCanvas.pack(side=tk.LEFT, padx=elementpad[0], pady=elementpad[1])
                if element.Visible is False:
                    element._TKCanvas.pack_forget()
                if element.Tooltip is not None:
                    element.TooltipObject = ToolTip(element._TKCanvas, text=element.Tooltip,
                                                    timeout=DEFAULT_TOOLTIP_TIME)
                if element.RightClickMenu or toplevel_form.RightClickMenu:
                    menu = element.RightClickMenu or toplevel_form.RightClickMenu
                    top_menu = tk.Menu(toplevel_form.TKroot, tearoff=False)
                    AddMenuItem(top_menu, menu[1], element)
                    element.TKRightClickMenu = top_menu
                    element._TKCanvas.bind('<Button-3>', element.RightClickMenuCallback)
                # -------------------------  Graph element  ------------------------- #
            elif element_type == ELEM_TYPE_GRAPH:
                width, height = element_size
                if element._TKCanvas is None:
                    element._TKCanvas = tk.Canvas(tk_row_frame, width=width, height=height, bd=border_depth)
                else:
                    element._TKCanvas.master = tk_row_frame
                element._TKCanvas2 = tk.Canvas(element._TKCanvas, width=width, height=height, bd=border_depth)
                element._TKCanvas2.pack(side=tk.LEFT)
                element._TKCanvas2.addtag_all('mytag')
                if element.BackgroundColor is not None and element.BackgroundColor != COLOR_SYSTEM_DEFAULT:
                    element._TKCanvas2.configure(background=element.BackgroundColor, highlightthickness=0)
                    element._TKCanvas.configure(background=element.BackgroundColor, highlightthickness=0)
                element._TKCanvas.pack(side=tk.LEFT, padx=elementpad[0], pady=elementpad[1])
                if element.Visible is False:
                    element._TKCanvas.pack_forget()
                    element._TKCanvas2.pack_forget()
                if element.Tooltip is not None:
                    element.TooltipObject = ToolTip(element._TKCanvas, text=element.Tooltip,
                                                    timeout=DEFAULT_TOOLTIP_TIME)
                if element.ChangeSubmits:
                    element._TKCanvas2.bind('<ButtonRelease-1>', element.ButtonReleaseCallBack)
                    element._TKCanvas2.bind('<ButtonPress-1>', element.ButtonPressCallBack)
                if element.DragSubmits:
                    element._TKCanvas2.bind('<Motion>', element.MotionCallBack)
                if element.RightClickMenu or toplevel_form.RightClickMenu:
                    menu = element.RightClickMenu or toplevel_form.RightClickMenu
                    top_menu = tk.Menu(toplevel_form.TKroot, tearoff=False)
                    AddMenuItem(top_menu, menu[1], element)
                    element.TKRightClickMenu = top_menu
                    element._TKCanvas2.bind('<Button-3>', element.RightClickMenuCallback)
            # -------------------------  MENUBAR element  ------------------------- #
            elif element_type == ELEM_TYPE_MENUBAR:
                menu_def = element.MenuDefinition
                element.TKMenu = tk.Menu(toplevel_form.TKroot, tearoff=element.Tearoff)  # create the menubar
                menubar = element.TKMenu
                for menu_entry in menu_def:
                    # print(f'Adding a Menubar ENTRY {menu_entry}')
                    baritem = tk.Menu(menubar, tearoff=element.Tearoff)
                    pos = menu_entry[0].find('&')
                    # print(pos)
                    if pos != -1:
                        if pos == 0 or menu_entry[0][pos - 1] != "\\":
                            menu_entry[0] = menu_entry[0][:pos] + menu_entry[0][pos + 1:]
                    if menu_entry[0][0] == MENU_DISABLED_CHARACTER:
                        menubar.add_cascade(label=menu_entry[0][len(MENU_DISABLED_CHARACTER):], menu=baritem, underline=pos)
                        menubar.entryconfig(menu_entry[0][len(MENU_DISABLED_CHARACTER):], state='disabled')
                    else:
                        menubar.add_cascade(label=menu_entry[0], menu=baritem, underline=pos)

                    if len(menu_entry) > 1:
                        AddMenuItem(baritem, menu_entry[1], element)
                toplevel_form.TKroot.configure(menu=element.TKMenu)
            # -------------------------  Frame element  ------------------------- #
            elif element_type == ELEM_TYPE_FRAME:
                labeled_frame = tk.LabelFrame(tk_row_frame, text=element.Title, relief=element.Relief)
                element.TKFrame = labeled_frame
                PackFormIntoFrame(element, labeled_frame, toplevel_form)
                labeled_frame.pack(side=tk.LEFT, padx=elementpad[0], pady=elementpad[1])
                if not element.Visible:
                    labeled_frame.pack_forget()
                if element.BackgroundColor != COLOR_SYSTEM_DEFAULT and element.BackgroundColor is not None:
                    labeled_frame.configure(background=element.BackgroundColor,
                                            highlightbackground=element.BackgroundColor,
                                            highlightcolor=element.BackgroundColor)
                if element.TextColor != COLOR_SYSTEM_DEFAULT and element.TextColor is not None:
                    labeled_frame.configure(foreground=element.TextColor)
                if font is not None:
                    labeled_frame.configure(font=font)
                if element.TitleLocation is not None:
                    labeled_frame.configure(labelanchor=element.TitleLocation)
                if element.BorderWidth is not None:
                    labeled_frame.configure(borderwidth=element.BorderWidth)
                if element.Tooltip is not None:
                    element.TooltipObject = ToolTip(labeled_frame, text=element.Tooltip, timeout=DEFAULT_TOOLTIP_TIME)
                if element.RightClickMenu or toplevel_form.RightClickMenu:
                    menu = element.RightClickMenu or toplevel_form.RightClickMenu
                    top_menu = tk.Menu(toplevel_form.TKroot, tearoff=False)
                    AddMenuItem(top_menu, menu[1], element)
                    element.TKRightClickMenu = top_menu
                    labeled_frame.bind('<Button-3>', element.RightClickMenuCallback)
            # -------------------------  Tab element  ------------------------- #
            elif element_type == ELEM_TYPE_TAB:
                element.TKFrame = tk.Frame(form.TKNotebook)
                PackFormIntoFrame(element, element.TKFrame, toplevel_form)
                if element.Disabled:
                    form.TKNotebook.add(element.TKFrame, text=element.Title, state='disabled')
                else:
                    form.TKNotebook.add(element.TKFrame, text=element.Title)
                form.TKNotebook.pack(side=tk.LEFT, padx=elementpad[0], pady=elementpad[1])
                element.ParentNotebook = form.TKNotebook
                element.TabID = form.TabCount
                form.TabCount += 1
                if element.BackgroundColor != COLOR_SYSTEM_DEFAULT and element.BackgroundColor is not None:
                    element.TKFrame.configure(background=element.BackgroundColor,
                                              highlightbackground=element.BackgroundColor,
                                              highlightcolor=element.BackgroundColor)
                # if element.TextColor != COLOR_SYSTEM_DEFAULT and element.TextColor is not None:
                #     element.TKFrame.configure(foreground=element.TextColor)

                # ttk.Style().configure("TNotebook", background='red')
                # ttk.Style().map("TNotebook.Tab", background=[("selected", 'orange')],
                #             foreground=[("selected", 'green')])
                # ttk.Style().configure("TNotebook.Tab", background='blue', foreground='yellow')

                if element.BorderWidth is not None:
                    element.TKFrame.configure(borderwidth=element.BorderWidth)
                if element.Tooltip is not None:
                    element.TooltipObject = ToolTip(element.TKFrame, text=element.Tooltip,
                                                    timeout=DEFAULT_TOOLTIP_TIME)
                if element.RightClickMenu or toplevel_form.RightClickMenu:
                    menu = element.RightClickMenu or toplevel_form.RightClickMenu
                    top_menu = tk.Menu(toplevel_form.TKroot, tearoff=False)
                    AddMenuItem(top_menu, menu[1], element)
                    element.TKRightClickMenu = top_menu
                    element.TKFrame.bind('<Button-3>', element.RightClickMenuCallback)
            # -------------------------  TabGroup element  ------------------------- #
            elif element_type == ELEM_TYPE_TAB_GROUP:

                custom_style = str(element.Key) + 'customtab.TNotebook'
                style = ttk.Style(tk_row_frame)
                if element.Theme is not None:
                    style.theme_use(element.Theme)
                if element.TabLocation is not None:
                    position_dict = {'left': 'w', 'right': 'e', 'top': 'n', 'bottom': 's', 'lefttop': 'wn',
                                     'leftbottom': 'ws', 'righttop': 'en', 'rightbottom': 'es', 'bottomleft': 'sw',
                                     'bottomright': 'se', 'topleft': 'nw', 'topright': 'ne'}
                    try:
                        tab_position = position_dict[element.TabLocation]
                    except:
                        tab_position = position_dict['top']
                    style.configure(custom_style, tabposition=tab_position)

                if element.BackgroundColor is not None and element.BackgroundColor != COLOR_SYSTEM_DEFAULT:
                    style.configure(custom_style, background=element.BackgroundColor, foreground='purple')

                # style.theme_create("yummy", parent="alt", settings={
                #     "TNotebook": {"configure": {"tabmargins": [2, 5, 2, 0]}},
                #     "TNotebook.Tab": {
                #         "configure": {"padding": [5, 1], "background": mygreen},
                #         "map": {"background": [("selected", myred)],
                #                 "expand": [("selected", [1, 1, 1, 0])]}}})

                # style.configure(custom_style+'.Tab', background='red')
                if element.SelectedTitleColor != None:
                    style.map(custom_style + '.Tab', foreground=[("selected", element.SelectedTitleColor)])
                if element.TextColor is not None and element.TextColor != COLOR_SYSTEM_DEFAULT:
                    style.configure(custom_style + '.Tab', foreground=element.TextColor)
                # style.configure(custom_style, background='blue', foreground='yellow')

                element.TKNotebook = ttk.Notebook(tk_row_frame, style=custom_style)

                PackFormIntoFrame(element, toplevel_form.TKroot, toplevel_form)

                if element.ChangeSubmits:
                    element.TKNotebook.bind('<<NotebookTabChanged>>', element.TabGroupSelectHandler)
                if element.BorderWidth is not None:
                    element.TKNotebook.configure(borderwidth=element.BorderWidth)
                if element.Tooltip is not None:
                    element.TooltipObject = ToolTip(element.TKNotebook, text=element.Tooltip,
                                                    timeout=DEFAULT_TOOLTIP_TIME)
                # -------------------------  SLIDER element  ------------------------- #
            elif element_type == ELEM_TYPE_INPUT_SLIDER:
                slider_length = element_size[0] * CharWidthInPixels()
                slider_width = element_size[1]
                element.TKIntVar = tk.IntVar()
                element.TKIntVar.set(element.DefaultValue)
                if element.Orientation[0] == 'v':
                    range_from = element.Range[1]
                    range_to = element.Range[0]
                    slider_length += DEFAULT_MARGINS[1] * (element_size[0] * 2)  # add in the padding
                else:
                    range_from = element.Range[0]
                    range_to = element.Range[1]
                if element.ChangeSubmits:
                    tkscale = tk.Scale(tk_row_frame, orient=element.Orientation, variable=element.TKIntVar,
                                       from_=range_from, to_=range_to, resolution=element.Resolution,
                                       length=slider_length, width=slider_width, bd=element.BorderWidth,
                                       relief=element.Relief, font=font, tickinterval=element.TickInterval,
                                       command=element.SliderChangedHandler)
                else:
                    tkscale = tk.Scale(tk_row_frame, orient=element.Orientation, variable=element.TKIntVar,
                                       from_=range_from, to_=range_to, resolution=element.Resolution,
                                       length=slider_length, width=slider_width, bd=element.BorderWidth,
                                       relief=element.Relief, font=font, tickinterval=element.TickInterval)
                tkscale.config(highlightthickness=0)
                if element.BackgroundColor is not None and element.BackgroundColor != COLOR_SYSTEM_DEFAULT:
                    tkscale.configure(background=element.BackgroundColor)
                    if DEFAULT_SCROLLBAR_COLOR != COLOR_SYSTEM_DEFAULT:
                        tkscale.config(troughcolor=DEFAULT_SCROLLBAR_COLOR)
                if element.DisableNumericDisplay:
                    tkscale.config(showvalue=0)
                if text_color is not None and text_color != COLOR_SYSTEM_DEFAULT:
                    tkscale.configure(fg=text_color)
                tkscale.pack(side=tk.LEFT, padx=elementpad[0], pady=elementpad[1])
                if element.Visible is False:
                    tkscale.pack_forget()
                element.TKScale = tkscale
                if element.Disabled == True:
                    element.TKScale['state'] = 'disabled'
                if element.Tooltip is not None:
                    element.TooltipObject = ToolTip(element.TKScale, text=element.Tooltip, timeout=DEFAULT_TOOLTIP_TIME)
            # -------------------------  TABLE element  ------------------------- #
            elif element_type == ELEM_TYPE_TABLE:
                element = element       # type: Table
                frame = tk.Frame(tk_row_frame)

                height = element.NumRows
                if element.Justification == 'left':
                    anchor = tk.W
                elif element.Justification == 'right':
                    anchor = tk.E
                else:
                    anchor = tk.CENTER
                column_widths = {}
                for row in element.Values:
                    for i, col in enumerate(row):
                        col_width = min(len(str(col)), element.MaxColumnWidth)
                        try:
                            if col_width > column_widths[i]:
                                column_widths[i] = col_width
                        except:
                            column_widths[i] = col_width
                if element.ColumnsToDisplay is None:
                    displaycolumns = element.ColumnHeadings if element.ColumnHeadings is not None else element.Values[0]
                else:
                    displaycolumns = []
                    for i, should_display in enumerate(element.ColumnsToDisplay):
                        if should_display:
                            displaycolumns.append(element.ColumnHeadings[i])
                column_headings = element.ColumnHeadings
                if element.DisplayRowNumbers:  # if display row number, tack on the numbers to front of columns
                    displaycolumns = [element.RowHeaderText, ] + displaycolumns
                    column_headings = [element.RowHeaderText, ] + element.ColumnHeadings
                element.TKTreeview = ttk.Treeview(frame, columns=column_headings,
                                                  displaycolumns=displaycolumns, show='headings', height=height,
                                                  selectmode=element.SelectMode,)
                treeview = element.TKTreeview
                if element.DisplayRowNumbers:
                    treeview.heading(element.RowHeaderText, text=element.RowHeaderText)  # make a dummy heading
                    treeview.column(element.RowHeaderText, width=50, anchor=anchor)

                headings = element.ColumnHeadings if element.ColumnHeadings is not None else element.Values[0]
                for i, heading in enumerate(headings):
                    treeview.heading(heading, text=heading)
                    if element.AutoSizeColumns:
                        width = max(column_widths[i], len(heading))
                    else:
                        try:
                            width = element.ColumnWidths[i]
                        except:
                            width = element.DefaultColumnWidth
                    treeview.column(heading, width=width * CharWidthInPixels(), anchor=anchor)

                # Insert values into the tree
                for i, value in enumerate(element.Values):
                    if element.DisplayRowNumbers:
                        value = [i+element.StartingRowNumber] + value
                    id = treeview.insert('', 'end', text=value, iid=i + 1, values=value, tag=i)
                if element.AlternatingRowColor is not None:         # alternating colors
                    for row in range(0, len(element.Values), 2):
                        treeview.tag_configure(row, background=element.AlternatingRowColor)
                if element.RowColors is not None:                   # individual row colors
                    for row_def in element.RowColors:
                        if len(row_def) == 2:                       # only background is specified
                            treeview.tag_configure(row_def[0], background=row_def[1])
                        else:
                            treeview.tag_configure(row_def[0], background=row_def[2], foreground=row_def[1])

                if element.BackgroundColor is not None and element.BackgroundColor != COLOR_SYSTEM_DEFAULT:
                    ttk.Style().configure("Treeview", background=element.BackgroundColor,
                                          fieldbackground=element.BackgroundColor)
                if element.TextColor is not None and element.TextColor != COLOR_SYSTEM_DEFAULT:
                    ttk.Style().configure("Treeview", foreground=element.TextColor)
                if element.RowHeight is not None:
                    ttk.Style().configure("Treeview", rowheight=element.RowHeight)
                ttk.Style().configure("Treeview", font=font)
                # scrollable_frame.pack(side=tk.LEFT,  padx=elementpad[0], pady=elementpad[1], expand=True, fill='both')
                treeview.bind("<<TreeviewSelect>>", element.treeview_selected)
                if element.BindReturnKey:
                    treeview.bind('<Return>', element.treeview_double_click)
                    treeview.bind('<Double-Button-1>', element.treeview_double_click)

                scrollbar = tk.Scrollbar(frame)
                scrollbar.pack(side=tk.RIGHT, fill='y')
                scrollbar.config(command=treeview.yview)

                if not element.VerticalScrollOnly:
                    hscrollbar = tk.Scrollbar(frame, orient=tk.HORIZONTAL)
                    hscrollbar.pack(side=tk.BOTTOM, fill='x')
                    hscrollbar.config(command=treeview.xview)
                    treeview.configure(xscrollcommand=hscrollbar.set)

                treeview.configure(yscrollcommand=scrollbar.set)

                element.TKTreeview.pack(side=tk.LEFT, expand=True, padx=0, pady=0, fill='both')
                if element.Visible is False:
                    element.TKTreeview.pack_forget()
                frame.pack(side=tk.LEFT, expand=True, padx=0, pady=0)
                if element.Tooltip is not None:
                    element.TooltipObject = ToolTip(element.TKTreeview, text=element.Tooltip,
                                                    timeout=DEFAULT_TOOLTIP_TIME)
                if element.RightClickMenu or toplevel_form.RightClickMenu:
                    menu = element.RightClickMenu or toplevel_form.RightClickMenu
                    top_menu = tk.Menu(toplevel_form.TKroot, tearoff=False)
                    AddMenuItem(top_menu, menu[1], element)
                    element.TKRightClickMenu = top_menu
                    element.TKTreeview.bind('<Button-3>', element.RightClickMenuCallback)
            # -------------------------  Tree element  ------------------------- #
            elif element_type == ELEM_TYPE_TREE:
                element = element   #type: Tree
                frame = tk.Frame(tk_row_frame)

                height = element.NumRows
                if element.Justification == 'left':  # justification
                    anchor = tk.W
                elif element.Justification == 'right':
                    anchor = tk.E
                else:
                    anchor = tk.CENTER

                if element.ColumnsToDisplay is None:  # Which cols to display
                    displaycolumns = element.ColumnHeadings
                else:
                    displaycolumns = []
                    for i, should_display in enumerate(element.ColumnsToDisplay):
                        if should_display:
                            displaycolumns.append(element.ColumnHeadings[i])
                column_headings = element.ColumnHeadings
                # ------------- GET THE TREEVIEW WIDGET -------------
                element.TKTreeview = ttk.Treeview(frame, columns=column_headings,
                                                  displaycolumns=displaycolumns, show='tree headings', height=height,
                                                  selectmode=element.SelectMode)
                treeview = element.TKTreeview
                for i, heading in enumerate(element.ColumnHeadings):  # Configure cols + headings
                    treeview.heading(heading, text=heading)
                    if element.AutoSizeColumns:
                        width = min(element.MaxColumnWidth, len(heading) + 1)
                    else:
                        try:
                            width = element.ColumnWidths[i]
                        except:
                            width = element.DefaultColumnWidth
                    treeview.column(heading, width=width * CharWidthInPixels(), anchor=anchor)
                def add_treeview_data(node):
                    # print(f'Inserting {node.key} under parent {node.parent}')
                    if node.key != '':
                        if node.icon:
                            if type(node.icon) is bytes:
                                photo = tk.PhotoImage(data=node.icon)
                            else:
                                photo = tk.PhotoImage(file=node.icon)
                            node.photo = photo
                            treeview.insert(node.parent, 'end', node.key, text=node.text, values=node.values, open=element.ShowExpanded, image=node.photo)
                        else:
                            treeview.insert(node.parent, 'end', node.key, text=node.text, values=node.values, open=element.ShowExpanded)

                    for node in node.children:
                        add_treeview_data(node)

                add_treeview_data(element.TreeData.root_node)
                treeview.column('#0', width=element.Col0Width * CharWidthInPixels(), anchor=anchor)
                # ----- configure colors -----
                if element.BackgroundColor is not None and element.BackgroundColor != COLOR_SYSTEM_DEFAULT:
                    ttk.Style().configure("Treeview", background=element.BackgroundColor,
                                          fieldbackground=element.BackgroundColor)
                if element.TextColor is not None and element.TextColor != COLOR_SYSTEM_DEFAULT:
                    ttk.Style().configure("Treeview", foreground=element.TextColor)

                ttk.Style().configure("Treeview", font=font)
                if element.RowHeight:
                    ttk.Style().configure("Treeview", rowheight=element.RowHeight)
                scrollbar = tk.Scrollbar(frame)
                scrollbar.pack(side=tk.RIGHT, fill='y')
                scrollbar.config(command=treeview.yview)
                treeview.configure(yscrollcommand=scrollbar.set)
                element.TKTreeview.pack(side=tk.LEFT, expand=True, padx=0, pady=0, fill='both')
                if element.Visible is False:
                    element.TKTreeview.pack_forget()
                frame.pack(side=tk.LEFT, expand=True, padx=0, pady=0)
                treeview.bind("<<TreeviewSelect>>", element.treeview_selected)
                if element.Tooltip is not None:  # tooltip
                    element.TooltipObject = ToolTip(element.TKTreeview, text=element.Tooltip,
                                                    timeout=DEFAULT_TOOLTIP_TIME)
                if element.RightClickMenu or toplevel_form.RightClickMenu:
                    menu = element.RightClickMenu or toplevel_form.RightClickMenu
                    top_menu = tk.Menu(toplevel_form.TKroot, tearoff=False)
                    AddMenuItem(top_menu, menu[1], element)
                    element.TKRightClickMenu = top_menu
                    element.TKTreeview.bind('<Button-3>', element.RightClickMenuCallback)
            # -------------------------  Separator element  ------------------------- #
            elif element_type == ELEM_TYPE_SEPARATOR:
                element = element       # type: VerticalSeparator
                separator = ttk.Separator(tk_row_frame, orient=element.Orientation, )
                separator.pack(side=tk.LEFT, padx=elementpad[0], pady=elementpad[1], fill='both', expand=True)
            # -------------------------  StatusBar element  ------------------------- #
            elif element_type == ELEM_TYPE_STATUSBAR:
                # auto_size_text = element.AutoSizeText
                display_text = element.DisplayText  # text to display
                if auto_size_text is False:
                    width, height = element_size
                else:
                    lines = display_text.split('\n')
                    max_line_len = max([len(l) for l in lines])
                    num_lines = len(lines)
                    if max_line_len > element_size[0]:  # if text exceeds element size, the will have to wrap
                        width = element_size[0]
                    else:
                        width = max_line_len
                    height = num_lines
                # ---===--- LABEL widget create and place --- #
                stringvar = tk.StringVar()
                element.TKStringVar = stringvar
                stringvar.set(display_text)
                if auto_size_text:
                    width = 0
                if element.Justification is not None:
                    justification = element.Justification
                elif toplevel_form.TextJustification is not None:
                    justification = toplevel_form.TextJustification
                else:
                    justification = DEFAULT_TEXT_JUSTIFICATION
                justify = tk.LEFT if justification == 'left' else tk.CENTER if justification == 'center' else tk.RIGHT
                anchor = tk.NW if justification == 'left' else tk.N if justification == 'center' else tk.NE
                # tktext_label = tk.Label(tk_row_frame, textvariable=stringvar, width=width, height=height,
                #                         justify=justify, bd=border_depth, font=font)
                tktext_label = tk.Label(tk_row_frame, textvariable=stringvar, width=width, height=height,
                                        justify=justify, bd=border_depth, font=font)
                # Set wrap-length for text (in PIXELS) == PAIN IN THE ASS
                wraplen = tktext_label.winfo_reqwidth() + 40  # width of widget in Pixels
                if not auto_size_text and height == 1:
                    wraplen = 0
                # print("wraplen, width, height", wraplen, width, height)
                tktext_label.configure(anchor=anchor, wraplen=wraplen)  # set wrap to width of widget
                if element.Relief is not None:
                    tktext_label.configure(relief=element.Relief)
                if element.BackgroundColor is not None and element.BackgroundColor != COLOR_SYSTEM_DEFAULT:
                    tktext_label.configure(background=element.BackgroundColor)
                if element.TextColor != COLOR_SYSTEM_DEFAULT and element.TextColor is not None:
                    tktext_label.configure(fg=element.TextColor)
                tktext_label.pack(side=tk.LEFT, padx=elementpad[0], pady=elementpad[1],fill=tk.BOTH, expand=True)
                if element.Visible is False:
                    tktext_label.pack_forget()
                element.TKText = tktext_label
                if element.ClickSubmits:
                    tktext_label.bind('<Button-1>', element.TextClickedHandler)
                if element.Tooltip is not None:
                    element.TooltipObject = ToolTip(element.TKText, text=element.Tooltip, timeout=DEFAULT_TOOLTIP_TIME)

        # ............................DONE WITH ROW pack the row of widgets ..........................#
        # done with row, pack the row of widgets
        # tk_row_frame.grid(row=row_num+2, sticky=tk.NW, padx=DEFAULT_MARGINS[0])
        tk_row_frame.pack(side=tk.TOP, anchor='nw', padx=toplevel_form.Margins[0], expand=False)
        if form.BackgroundColor is not None and form.BackgroundColor != COLOR_SYSTEM_DEFAULT:
            tk_row_frame.configure(background=form.BackgroundColor)
        toplevel_form.TKroot.configure(padx=toplevel_form.Margins[0], pady=toplevel_form.Margins[1])
    return


def ConvertFlexToTK(MyFlexForm):
    master = MyFlexForm.TKroot
    master.title(MyFlexForm.Title)
    InitializeResults(MyFlexForm)
    try:
        if MyFlexForm.NoTitleBar:
            MyFlexForm.TKroot.wm_overrideredirect(True)
    except:
        pass
    PackFormIntoFrame(MyFlexForm, master, MyFlexForm)
    # ....................................... DONE creating and laying out window ..........................#
    if MyFlexForm._Size != (None, None):
        master.geometry("%sx%s" % (MyFlexForm._Size[0], MyFlexForm._Size[1]))
    screen_width = master.winfo_screenwidth()  # get window info to move to middle of screen
    screen_height = master.winfo_screenheight()
    if MyFlexForm.Location != (None, None):
        x, y = MyFlexForm.Location
    elif DEFAULT_WINDOW_LOCATION != (None, None):
        x, y = DEFAULT_WINDOW_LOCATION
    else:
        master.update_idletasks()  # don't forget to do updates or values are bad
        win_width = master.winfo_width()
        win_height = master.winfo_height()
        x = screen_width / 2 - win_width / 2
        y = screen_height / 2 - win_height / 2
        if y + win_height > screen_height:
            y = screen_height - win_height
        if x + win_width > screen_width:
            x = screen_width - win_width

    move_string = '+%i+%i' % (int(x), int(y))
    master.geometry(move_string)

    master.update_idletasks()  # don't forget

    return


# ----====----====----====----====----==== STARTUP TK ====----====----====----====----====----#
def StartupTK(my_flex_form:Window):
    # global _my_windows
    # ow = _my_windows.NumOpenWindows
    ow = Window.NumOpenWindows
    # print('Starting TK open Windows = {}'.format(ow))
    if not ow and not my_flex_form.ForceTopLevel:
        # if first window being created, make a throwaway, hidden master root.  This stops one user
        # window from becoming the child of another user window. All windows are children of this
        # hidden window
        Window.IncrementOpenCount()
        Window.hidden_master_root = tk.Tk()
        Window.hidden_master_root.attributes('-alpha', 0)  # HIDE this window really really really
        Window.hidden_master_root.wm_overrideredirect(True)
        Window.hidden_master_root.withdraw()
        #  good
        # _my_windows.Increment()
        # _my_windows.hidden_master_root = tk.Tk()
        # _my_windows.hidden_master_root.attributes('-alpha', 0)  # HIDE this window really really really good
        # _my_windows.hidden_master_root.wm_overrideredirect(True) # damn, what did this do again?
        # _my_windows.hidden_master_root.withdraw()               # no, REALLY hide it
        root = tk.Toplevel()
    else:
        root = tk.Toplevel()

    try:
        root.attributes('-alpha', 0)  # hide window while building it. makes for smoother 'paint'
    except:
        pass
    if my_flex_form.BackgroundColor is not None and my_flex_form.BackgroundColor != COLOR_SYSTEM_DEFAULT:
        root.configure(background=my_flex_form.BackgroundColor)
    Window.IncrementOpenCount()
    # _my_windows.Increment()

    my_flex_form.TKroot = root
    # Make moveable window
    if (my_flex_form.GrabAnywhere is not False and not (
            my_flex_form.NonBlocking and my_flex_form.GrabAnywhere is not True)):
        root.bind("<ButtonPress-1>", my_flex_form.StartMove)
        root.bind("<ButtonRelease-1>", my_flex_form.StopMove)
        root.bind("<B1-Motion>", my_flex_form.OnMotion)

    if not my_flex_form.Resizable:
        root.resizable(False, False)

    if my_flex_form.DisableMinimize:
        root.attributes("-toolwindow", 1)

    if my_flex_form.KeepOnTop:
        root.wm_attributes("-topmost", 1)

    # root.protocol("WM_DELETE_WINDOW", MyFlexForm.DestroyedCallback())
    # root.bind('<Destroy>', MyFlexForm.DestroyedCallback())
    ConvertFlexToTK(my_flex_form)

    my_flex_form.SetIcon(my_flex_form.WindowIcon)

    try:
        root.attributes('-alpha', my_flex_form.AlphaChannel)  # Make window visible again
    except:
        pass

    if my_flex_form.ReturnKeyboardEvents and not my_flex_form.NonBlocking:
        root.bind("<KeyRelease>", my_flex_form._KeyboardCallback)
        root.bind("<MouseWheel>", my_flex_form._MouseWheelCallback)
    elif my_flex_form.ReturnKeyboardEvents:
        root.bind("<Key>", my_flex_form._KeyboardCallback)
        root.bind("<MouseWheel>", my_flex_form._MouseWheelCallback)

    if my_flex_form.AutoClose:
        duration = DEFAULT_AUTOCLOSE_TIME if my_flex_form.AutoCloseDuration is None else my_flex_form.AutoCloseDuration
        my_flex_form.TKAfterID = root.after(duration * 1000, my_flex_form._AutoCloseAlarmCallback)

    if my_flex_form.Timeout != None:
        my_flex_form.TKAfterID = root.after(my_flex_form.Timeout, my_flex_form._TimeoutAlarmCallback)
    if my_flex_form.NonBlocking:
        my_flex_form.TKroot.protocol("WM_DESTROY_WINDOW", my_flex_form.OnClosingCallback)
        my_flex_form.TKroot.protocol("WM_DELETE_WINDOW", my_flex_form.OnClosingCallback)
    else:  # it's a blocking form
        # print('..... CALLING MainLoop')
        my_flex_form.CurrentlyRunningMainloop = True
        my_flex_form.TKroot.protocol("WM_DESTROY_WINDOW", my_flex_form.OnClosingCallback)
        my_flex_form.TKroot.protocol("WM_DELETE_WINDOW", my_flex_form.OnClosingCallback)
        my_flex_form.TKroot.mainloop()
        my_flex_form.CurrentlyRunningMainloop = False
        my_flex_form.TimerCancelled = True
        # print('..... BACK from MainLoop')
        if not my_flex_form.FormRemainedOpen:
            Window.DecrementOpenCount()
            # _my_windows.Decrement()
        if my_flex_form.RootNeedsDestroying:
            my_flex_form.TKroot.destroy()
            my_flex_form.RootNeedsDestroying = False
    return


# ==============================_GetNumLinesNeeded ==#
# Helper function for determining how to wrap text   #
# ===================================================#
def _GetNumLinesNeeded(text, max_line_width):
    if max_line_width == 0:
        return 1
    lines = text.split('\n')
    num_lines = len(lines)  # number of original lines of text
    max_line_len = max([len(l) for l in lines])  # longest line
    lines_used = []
    for L in lines:
        lines_used.append(len(L) // max_line_width + (len(L) % max_line_width > 0))  # fancy math to round up
    total_lines_needed = sum(lines_used)
    return total_lines_needed


# ==============================  PROGRESS METER ========================================== #

def ConvertArgsToSingleString(*args):
    max_line_total, width_used, total_lines, = 0, 0, 0
    single_line_message = ''
    # loop through args and built a SINGLE string from them
    for message in args:
        # fancy code to check if string and convert if not is not need. Just always convert to string :-)
        # if not isinstance(message, str): message = str(message)
        message = str(message)
        longest_line_len = max([len(l) for l in message.split('\n')])
        width_used = max(longest_line_len, width_used)
        max_line_total = max(max_line_total, width_used)
        lines_needed = _GetNumLinesNeeded(message, width_used)
        total_lines += lines_needed
        single_line_message += message + '\n'
    return single_line_message, width_used, total_lines


METER_REASON_CANCELLED = 'cancelled'
METER_REASON_CLOSED = 'closed'
METER_REASON_REACHED_MAX = 'finished'
METER_OK = True
METER_STOPPED = False

class QuickMeter(object):
    active_meters = {}
    exit_reasons = {}

    def __init__(self, title, current_value, max_value, key, *args, orientation='v', bar_color=(None, None),
                         button_color=(None, None), size=DEFAULT_PROGRESS_BAR_SIZE, border_width=None, grab_anywhere=False):
        self.start_time = datetime.datetime.utcnow()
        self.key = key
        self.orientation = orientation
        self.bar_color = bar_color
        self.size = size
        self.grab_anywhere = grab_anywhere
        self.button_color = button_color
        self.border_width = border_width
        self.title = title
        self.current_value = current_value
        self.max_value = max_value
        self.close_reason = None
        self.window = self.BuildWindow(*args)

    def BuildWindow(self, *args):
        layout = []
        if self.orientation.lower().startswith('h'):
            col = []
            col += [[T(''.join(map(lambda x: str(x)+'\n',args)),key='_OPTMSG_')]] ### convert all *args into one string that can be updated
            col += [[T('', size=(30,10), key='_STATS_')],
                    [ProgressBar(max_value=self.max_value, orientation='h', key='_PROG_', size=self.size, bar_color=self.bar_color)],
                    [Cancel(button_color=self.button_color), Stretch()]]
            layout = [Column(col)]
        else:
            col = [[ProgressBar(max_value=self.max_value, orientation='v', key='_PROG_', size=self.size, bar_color=self.bar_color)]]
            col2 = []
            col2 += [[T(''.join(map(lambda x: str(x)+'\n',args)),key='_OPTMSG_')]] ### convert all *args into one string that can be updated
            col2 += [[T('', size=(30,10), key='_STATS_')],
                     [Cancel(button_color=self.button_color), Stretch()]]
            layout = [Column(col), Column(col2)]
        self.window = Window(self.title, grab_anywhere=self.grab_anywhere, border_depth=self.border_width)
        self.window.Layout([layout]).Finalize()

        return self.window

    def UpdateMeter(self, current_value, max_value,*args): ### support for *args when updating
        self.current_value = current_value
        self.max_value = max_value
        self.window.Element('_PROG_').UpdateBar(self.current_value, self.max_value)
        self.window.Element('_STATS_').Update('\n'.join(self.ComputeProgressStats()))
        self.window.Element('_OPTMSG_').Update(value=''.join(map(lambda x: str(x)+'\n',args))) ###  update the string with the args
        event, values = self.window.Read(timeout=0)
        if event in('Cancel', None) or current_value >= max_value:
            self.window.Close()
            del(QuickMeter.active_meters[self.key])
            QuickMeter.exit_reasons[self.key] = METER_REASON_CANCELLED if event == 'Cancel' else METER_REASON_CLOSED if event is None else METER_REASON_REACHED_MAX
            return QuickMeter.exit_reasons[self.key]
        return METER_OK


    def ComputeProgressStats(self):
        utc = datetime.datetime.utcnow()
        time_delta = utc - self.start_time
        total_seconds = time_delta.total_seconds()
        if not total_seconds:
            total_seconds = 1
        try:
            time_per_item = total_seconds / self.current_value
        except:
            time_per_item = 1
        seconds_remaining = (self.max_value - self.current_value) * time_per_item
        time_remaining = str(datetime.timedelta(seconds=seconds_remaining))
        time_remaining_short = (time_remaining).split(".")[0]
        time_delta_short = str(time_delta).split(".")[0]
        total_time = time_delta + datetime.timedelta(seconds=seconds_remaining)
        total_time_short = str(total_time).split(".")[0]
        self.stat_messages = [
            '{} of {}'.format(self.current_value, self.max_value),
            '{} %'.format(100 * self.current_value // self.max_value),
            '',
            ' {:6.2f} Iterations per Second'.format(self.current_value / total_seconds),
            ' {:6.2f} Seconds per Iteration'.format(total_seconds / (self.current_value if self.current_value else 1)),
            '',
            '{} Elapsed Time'.format(time_delta_short),
            '{} Time Remaining'.format(time_remaining_short),
            '{} Estimated Total Time'.format(total_time_short)]
        return self.stat_messages


def OneLineProgressMeter(title, current_value, max_value, key, *args, orientation='v', bar_color=(None, None),
                         button_color=None, size=DEFAULT_PROGRESS_BAR_SIZE, border_width=None, grab_anywhere=False):
    if key not in QuickMeter.active_meters:
        meter = QuickMeter(title, current_value, max_value, key, *args, orientation=orientation, bar_color=bar_color,
                           button_color=button_color, size=size, border_width=border_width, grab_anywhere=grab_anywhere)
        QuickMeter.active_meters[key] = meter
    else:
        meter = QuickMeter.active_meters[key]

    rc = meter.UpdateMeter(current_value, max_value,*args) ### pass the *args to to UpdateMeter function
    OneLineProgressMeter.exit_reasons = getattr(OneLineProgressMeter,'exit_reasons', QuickMeter.exit_reasons)
    return rc == METER_OK


def OneLineProgressMeterCancel(key):
    try:
        meter = QuickMeter.active_meters[key]
        meter.window.Close()
        del(QuickMeter.active_meters[key])
        QuickMeter.exit_reasons[key] = METER_REASON_CANCELLED
    except:  # meter is already deleted
        return



# input is #RRGGBB
# output is #RRGGBB
def GetComplimentaryHex(color):
    # strip the # from the beginning
    color = color[1:]
    # convert the string into hex
    color = int(color, 16)
    # invert the three bytes
    # as good as substracting each of RGB component by 255(FF)
    comp_color = 0xFFFFFF ^ color
    # convert the color back to hex by prefixing a #
    comp_color = "#%06X" % comp_color
    return comp_color


# ========================  EasyPrint           =====#
# ===================================================#
class DebugWin():
    debug_window = None

    def __init__(self, size=(None, None), location=(None, None), font=None, no_titlebar=False, no_button=False,
                 grab_anywhere=False, keep_on_top=False, do_not_reroute_stdout=True):
        # Show a form that's a running counter
        self.size = size
        self.location = location
        self.font = font
        self.no_titlebar = no_titlebar
        self.no_button = no_button
        self.grab_anywhere = grab_anywhere
        self.keep_on_top = keep_on_top
        self.do_not_reroute_stdout = do_not_reroute_stdout

        win_size = size if size != (None, None) else DEFAULT_DEBUG_WINDOW_SIZE
        self.window = Window('Debug Window', no_titlebar=no_titlebar, auto_size_text=True, location=location,
                             font=font or ('Courier New', 10), grab_anywhere=grab_anywhere, keep_on_top=keep_on_top)
        self.output_element = Multiline(size=win_size, autoscroll=True, key='_MULTILINE_') if do_not_reroute_stdout else Output(size=win_size)

        if no_button:
            self.layout = [[self.output_element]]
        else:
            self.layout = [
                [self.output_element],
                [DummyButton('Quit'), Stretch()]
            ]
        self.window.AddRows(self.layout)
        self.window.Read(timeout=0)  # Show a non-blocking form, returns immediately
        return

    def Print(self, *args, end=None, sep=None):
        sepchar = sep if sep is not None else ' '
        endchar = end if end is not None else '\n'

        if self.window is None:  # if window was destroyed alread re-open it
            self.__init__(size=self.size, location=self.location, font=self.font, no_titlebar=self.no_titlebar, no_button=self.no_button, grab_anywhere=self.grab_anywhere, keep_on_top=self.keep_on_top, do_not_reroute_stdout=self.do_not_reroute_stdout)
        event, values = self.window.Read(timeout=0)
        if event == 'Quit' or event is None:
            self.Close()
            self.__init__(size=self.size, location=self.location, font=self.font, no_titlebar=self.no_titlebar, no_button=self.no_button, grab_anywhere=self.grab_anywhere, keep_on_top=self.keep_on_top, do_not_reroute_stdout=self.do_not_reroute_stdout)
        if self.do_not_reroute_stdout:
            outstring = ''
            for arg in args:
                outstring += str(arg) + sepchar
            outstring += endchar
            self.output_element.Update(outstring, append=True)
        else:
            print(*args, sep=sepchar, end=endchar)


    def Close(self):
        self.window.Close()
        self.window.__del__()
        self.window = None


def PrintClose():
    EasyPrintClose()


def EasyPrint(*args, size=(None, None), end=None, sep=None, location=(None, None), font=None, no_titlebar=False,
              no_button=False, grab_anywhere=False, keep_on_top=False, do_not_reroute_stdout=False):


    if DebugWin.debug_window is None:
        DebugWin.debug_window = DebugWin(size=size, location=location, font=font, no_titlebar=no_titlebar,
                                    no_button=no_button, grab_anywhere=grab_anywhere, keep_on_top=keep_on_top, do_not_reroute_stdout=do_not_reroute_stdout)
    DebugWin.debug_window.Print(*args, end=end, sep=sep)

Print = EasyPrint
eprint = EasyPrint


def EasyPrintClose():
    if DebugWin.debug_window is not None:
        DebugWin.debug_window.Close()
        DebugWin.debug_window = None

# ========================  Scrolled Text Box   =====#
# ===================================================#
def PopupScrolled(*args, button_color=None, yes_no=False, auto_close=False, auto_close_duration=None, size=(None, None), location=(None, None), title=None, non_blocking=False):
    if not args: return
    width, height = size
    width = width if width else MESSAGE_BOX_LINE_WIDTH
    window = Window(title=title or args[0], auto_size_text=True, button_color=button_color, auto_close=auto_close,
                  auto_close_duration=auto_close_duration, location=location)
    max_line_total, max_line_width, total_lines, height_computed = 0, 0, 0, 0
    complete_output = ''
    for message in args:
        # fancy code to check if string and convert if not is not need. Just always convert to string :-)
        # if not isinstance(message, str): message = str(message)
        message = str(message)
        longest_line_len = max([len(l) for l in message.split('\n')])
        width_used = min(longest_line_len, width)
        max_line_total = max(max_line_total, width_used)
        max_line_width = width
        lines_needed = _GetNumLinesNeeded(message, width_used)
        height_computed += lines_needed
        complete_output += message + '\n'
        total_lines += lines_needed
    height_computed = MAX_SCROLLED_TEXT_BOX_HEIGHT if height_computed > MAX_SCROLLED_TEXT_BOX_HEIGHT else height_computed
    if height:
        height_computed = height
    window.AddRow(Multiline(complete_output, size=(max_line_width, height_computed)))
    pad = max_line_total - 15 if max_line_total > 15 else 1
    # show either an OK or Yes/No depending on paramater
    button = DummyButton if non_blocking else Button
    if yes_no:
        window.AddRow(Text('', size=(pad, 1), auto_size_text=False), button('Yes'), button('No'))
    else:
        window.AddRow(Text('', size=(pad, 1), auto_size_text=False), button('OK', size=(5, 1), button_color=button_color))

    if non_blocking:
        button, values = window.Read(timeout=0)
    else:
        button, values = window.Read()
    return button


ScrolledTextBox = PopupScrolled



# ============================== SetGlobalIcon ======#
# Sets the icon to be used by default                #
# ===================================================#
def SetGlobalIcon(icon):
    # global _my_windows

    try:
        with open(icon, 'r') as icon_file:
            pass
    except:
        raise FileNotFoundError
    # _my_windows.user_defined_icon = icon
    Window.user_defined_icon = icon
    return True


# ============================== SetOptions =========#
# Sets the icon to be used by default                #
# ===================================================#
def SetOptions(icon=None, button_color=None, element_size=(None, None), button_element_size=(None, None),
               margins=(None, None),
               element_padding=(None, None), auto_size_text=None, auto_size_buttons=None, font=None, border_width=None,
               slider_border_width=None, slider_relief=None, slider_orientation=None,
               autoclose_time=None, message_box_line_width=None,
               progress_meter_border_depth=None, progress_meter_style=None,
               progress_meter_relief=None, progress_meter_color=None, progress_meter_size=None,
               text_justification=None, background_color=None, element_background_color=None,
               text_element_background_color=None, input_elements_background_color=None, input_text_color=None,
               scrollbar_color=None, text_color=None, element_text_color=None, debug_win_size=(None, None),
               window_location=(None, None), error_button_color=(None,None), tooltip_time=None):
    global DEFAULT_ELEMENT_SIZE
    global DEFAULT_BUTTON_ELEMENT_SIZE
    global DEFAULT_MARGINS  # Margins for each LEFT/RIGHT margin is first term
    global DEFAULT_ELEMENT_PADDING  # Padding between elements (row, col) in pixels
    global DEFAULT_AUTOSIZE_TEXT
    global DEFAULT_AUTOSIZE_BUTTONS
    global DEFAULT_FONT
    global DEFAULT_BORDER_WIDTH
    global DEFAULT_AUTOCLOSE_TIME
    global DEFAULT_BUTTON_COLOR
    global MESSAGE_BOX_LINE_WIDTH
    global DEFAULT_PROGRESS_BAR_BORDER_WIDTH
    global DEFAULT_PROGRESS_BAR_STYLE
    global DEFAULT_PROGRESS_BAR_RELIEF
    global DEFAULT_PROGRESS_BAR_COLOR
    global DEFAULT_PROGRESS_BAR_SIZE
    global DEFAULT_TEXT_JUSTIFICATION
    global DEFAULT_DEBUG_WINDOW_SIZE
    global DEFAULT_SLIDER_BORDER_WIDTH
    global DEFAULT_SLIDER_RELIEF
    global DEFAULT_SLIDER_ORIENTATION
    global DEFAULT_BACKGROUND_COLOR
    global DEFAULT_INPUT_ELEMENTS_COLOR
    global DEFAULT_ELEMENT_BACKGROUND_COLOR
    global DEFAULT_TEXT_ELEMENT_BACKGROUND_COLOR
    global DEFAULT_SCROLLBAR_COLOR
    global DEFAULT_TEXT_COLOR
    global DEFAULT_WINDOW_LOCATION
    global DEFAULT_ELEMENT_TEXT_COLOR
    global DEFAULT_INPUT_TEXT_COLOR
    global DEFAULT_TOOLTIP_TIME
    global DEFAULT_ERROR_BUTTON_COLOR
    # global _my_windows

    if icon:
        Window.user_defined_icon = icon
        # _my_windows.user_defined_icon = icon

    if button_color != None:
        DEFAULT_BUTTON_COLOR = button_color

    if element_size != (None, None):
        DEFAULT_ELEMENT_SIZE = element_size

    if button_element_size != (None, None):
        DEFAULT_BUTTON_ELEMENT_SIZE = button_element_size

    if margins != (None, None):
        DEFAULT_MARGINS = margins

    if element_padding != (None, None):
        DEFAULT_ELEMENT_PADDING = element_padding

    if auto_size_text != None:
        DEFAULT_AUTOSIZE_TEXT = auto_size_text

    if auto_size_buttons != None:
        DEFAULT_AUTOSIZE_BUTTONS = auto_size_buttons

    if font != None:
        DEFAULT_FONT = font

    if border_width != None:
        DEFAULT_BORDER_WIDTH = border_width

    if autoclose_time != None:
        DEFAULT_AUTOCLOSE_TIME = autoclose_time

    if message_box_line_width != None:
        MESSAGE_BOX_LINE_WIDTH = message_box_line_width

    if progress_meter_border_depth != None:
        DEFAULT_PROGRESS_BAR_BORDER_WIDTH = progress_meter_border_depth

    if progress_meter_style != None:
        DEFAULT_PROGRESS_BAR_STYLE = progress_meter_style

    if progress_meter_relief != None:
        DEFAULT_PROGRESS_BAR_RELIEF = progress_meter_relief

    if progress_meter_color != None:
        DEFAULT_PROGRESS_BAR_COLOR = progress_meter_color

    if progress_meter_size != None:
        DEFAULT_PROGRESS_BAR_SIZE = progress_meter_size

    if slider_border_width != None:
        DEFAULT_SLIDER_BORDER_WIDTH = slider_border_width

    if slider_orientation != None:
        DEFAULT_SLIDER_ORIENTATION = slider_orientation

    if slider_relief != None:
        DEFAULT_SLIDER_RELIEF = slider_relief

    if text_justification != None:
        DEFAULT_TEXT_JUSTIFICATION = text_justification

    if background_color != None:
        DEFAULT_BACKGROUND_COLOR = background_color

    if text_element_background_color != None:
        DEFAULT_TEXT_ELEMENT_BACKGROUND_COLOR = text_element_background_color

    if input_elements_background_color != None:
        DEFAULT_INPUT_ELEMENTS_COLOR = input_elements_background_color

    if element_background_color != None:
        DEFAULT_ELEMENT_BACKGROUND_COLOR = element_background_color

    if window_location != (None, None):
        DEFAULT_WINDOW_LOCATION = window_location

    if debug_win_size != (None, None):
        DEFAULT_DEBUG_WINDOW_SIZE = debug_win_size

    if text_color != None:
        DEFAULT_TEXT_COLOR = text_color

    if scrollbar_color != None:
        DEFAULT_SCROLLBAR_COLOR = scrollbar_color

    if element_text_color != None:
        DEFAULT_ELEMENT_TEXT_COLOR = element_text_color

    if input_text_color is not None:
        DEFAULT_INPUT_TEXT_COLOR = input_text_color

    if tooltip_time is not None:
        DEFAULT_TOOLTIP_TIME = tooltip_time

    if error_button_color != (None,None):
        DEFAULT_ERROR_BUTTON_COLOR = error_button_color

    return True


#################### ChangeLookAndFeel #######################
# Predefined settings that will change the colors and styles #
# of the elements.                                           #
##############################################################
LOOK_AND_FEEL_TABLE = {'SystemDefault':
                           {'BACKGROUND': COLOR_SYSTEM_DEFAULT,
                            'TEXT': COLOR_SYSTEM_DEFAULT,
                            'INPUT': COLOR_SYSTEM_DEFAULT, 'TEXT_INPUT': COLOR_SYSTEM_DEFAULT,
                            'SCROLL': COLOR_SYSTEM_DEFAULT,
                            'BUTTON': OFFICIAL_PYSIMPLEGUI_BUTTON_COLOR,
                            'PROGRESS': COLOR_SYSTEM_DEFAULT,
                            'BORDER': 1, 'SLIDER_DEPTH': 1,
                            'PROGRESS_DEPTH': 0},

                       'Reddit': {'BACKGROUND': '#ffffff',
                                  'TEXT': '#1a1a1b',
                                  'INPUT': '#dae0e6',
                                  'TEXT_INPUT': '#222222',
                                  'SCROLL': '#a5a4a4',
                                  'BUTTON': ('white', '#0079d3'),
                                  'PROGRESS': DEFAULT_PROGRESS_BAR_COLOR,
                                  'BORDER': 1,
                                  'SLIDER_DEPTH': 0,
                                  'PROGRESS_DEPTH': 0,
                                  'ACCENT1': '#ff5414',
                                  'ACCENT2': '#33a8ff',
                                  'ACCENT3': '#dbf0ff'},

                       'Topanga': {'BACKGROUND': '#282923',
                                   'TEXT': '#E7DB74',
                                   'INPUT': '#393a32',
                                   'TEXT_INPUT': '#E7C855',
                                   'SCROLL': '#E7C855',
                                   'BUTTON': ('#E7C855', '#284B5A'),
                                   'PROGRESS': DEFAULT_PROGRESS_BAR_COLOR,
                                   'BORDER': 1, 'SLIDER_DEPTH': 0,
                                   'PROGRESS_DEPTH': 0,
                                   'ACCENT1': '#c15226',
                                   'ACCENT2': '#7a4d5f',
                                   'ACCENT3': '#889743'},

                       'GreenTan': {'BACKGROUND': '#9FB8AD',
                                    'TEXT': COLOR_SYSTEM_DEFAULT,
                                    'INPUT': '#F7F3EC', 'TEXT_INPUT': 'black',
                                    'SCROLL': '#F7F3EC',
                                    'BUTTON': ('white', '#475841'),
                                    'PROGRESS': DEFAULT_PROGRESS_BAR_COLOR,
                                    'BORDER': 1, 'SLIDER_DEPTH': 0,
                                    'PROGRESS_DEPTH': 0},

                       'Dark': {'BACKGROUND': 'gray25',
                                'TEXT': 'white',
                                'INPUT': 'gray30',
                                'TEXT_INPUT': 'white',
                                'SCROLL': 'gray44',
                                'BUTTON': ('white', '#004F00'),
                                'PROGRESS': DEFAULT_PROGRESS_BAR_COLOR,
                                'BORDER': 1,
                                'SLIDER_DEPTH': 0,
                                'PROGRESS_DEPTH': 0},

                       'LightGreen': {'BACKGROUND': '#B7CECE',
                                      'TEXT': 'black',
                                      'INPUT': '#FDFFF7',
                                      'TEXT_INPUT': 'black',
                                      'SCROLL': '#FDFFF7',
                                      'BUTTON': ('white', '#658268'),
                                      'PROGRESS': DEFAULT_PROGRESS_BAR_COLOR,
                                      'BORDER': 1,
                                      'SLIDER_DEPTH': 0,
                                      'ACCENT1': '#76506d',
                                      'ACCENT2': '#5148f1',
                                      'ACCENT3': '#0a1c84',
                                      'PROGRESS_DEPTH': 0},

                       'Dark2': {'BACKGROUND': 'gray25',
                                 'TEXT': 'white',
                                 'INPUT': 'white',
                                 'TEXT_INPUT': 'black',
                                 'SCROLL': 'gray44',
                                 'BUTTON': ('white', '#004F00'),
                                 'PROGRESS': DEFAULT_PROGRESS_BAR_COLOR,
                                 'BORDER': 1,
                                 'SLIDER_DEPTH': 0,
                                 'PROGRESS_DEPTH': 0},

                       'Black': {'BACKGROUND': 'black',
                                 'TEXT': 'white',
                                 'INPUT': 'gray30',
                                 'TEXT_INPUT': 'white',
                                 'SCROLL': 'gray44',
                                 'BUTTON': ('black', 'white'),
                                 'PROGRESS': DEFAULT_PROGRESS_BAR_COLOR,
                                 'BORDER': 1,
                                 'SLIDER_DEPTH': 0,
                                 'PROGRESS_DEPTH': 0},

                       'Tan': {'BACKGROUND': '#fdf6e3',
                               'TEXT': '#268bd1',
                               'INPUT': '#eee8d5',
                               'TEXT_INPUT': '#6c71c3',
                               'SCROLL': '#eee8d5',
                               'BUTTON': ('white', '#063542'),
                               'PROGRESS': DEFAULT_PROGRESS_BAR_COLOR,
                               'BORDER': 1,
                               'SLIDER_DEPTH': 0,
                               'PROGRESS_DEPTH': 0},

                       'TanBlue': {'BACKGROUND': '#e5dece',
                                   'TEXT': '#063289',
                                   'INPUT': '#f9f8f4',
                                   'TEXT_INPUT': '#242834',
                                   'SCROLL': '#eee8d5',
                                   'BUTTON': ('white', '#063289'),
                                   'PROGRESS': DEFAULT_PROGRESS_BAR_COLOR,
                                   'BORDER': 1,
                                   'SLIDER_DEPTH': 0,
                                   'PROGRESS_DEPTH': 0},

                       'DarkTanBlue': {'BACKGROUND': '#242834',
                                       'TEXT': '#dfe6f8',
                                       'INPUT': '#97755c',
                                       'TEXT_INPUT': 'white',
                                       'SCROLL': '#a9afbb',
                                       'BUTTON': ('white', '#063289'),
                                       'PROGRESS': DEFAULT_PROGRESS_BAR_COLOR,
                                       'BORDER': 1,
                                       'SLIDER_DEPTH': 0,
                                       'PROGRESS_DEPTH': 0},

                       'DarkAmber': {'BACKGROUND': '#2c2825',
                                     'TEXT': '#fdcb52',
                                     'INPUT': '#705e52',
                                     'TEXT_INPUT': '#fdcb52',
                                     'SCROLL': '#705e52',
                                     'BUTTON': ('black', '#fdcb52'),
                                     'PROGRESS': DEFAULT_PROGRESS_BAR_COLOR,
                                     'BORDER': 1,
                                     'SLIDER_DEPTH': 0,
                                     'PROGRESS_DEPTH': 0},

                       'DarkBlue': {'BACKGROUND': '#1a2835',
                                    'TEXT': '#d1ecff',
                                    'INPUT': '#335267',
                                    'TEXT_INPUT': '#acc2d0',
                                    'SCROLL': '#1b6497',
                                    'BUTTON': ('black', '#fafaf8'),
                                    'PROGRESS': DEFAULT_PROGRESS_BAR_COLOR,
                                    'BORDER': 1, 'SLIDER_DEPTH': 0,
                                    'PROGRESS_DEPTH': 0},

                       'Reds': {'BACKGROUND': '#280001',
                                'TEXT': 'white',
                                'INPUT': '#d8d584',
                                'TEXT_INPUT': 'black',
                                'SCROLL': '#763e00',
                                'BUTTON': ('black', '#daad28'),
                                'PROGRESS': DEFAULT_PROGRESS_BAR_COLOR,
                                'BORDER': 1,
                                'SLIDER_DEPTH': 0,
                                'PROGRESS_DEPTH': 0},

                       'Green': {'BACKGROUND': '#82a459',
                                 'TEXT': 'black',
                                 'INPUT': '#d8d584',
                                 'TEXT_INPUT': 'black',
                                 'SCROLL': '#e3ecf3',
                                 'BUTTON': ('white', '#517239'),
                                 'PROGRESS': DEFAULT_PROGRESS_BAR_COLOR,
                                 'BORDER': 1,
                                 'SLIDER_DEPTH': 0,
                                 'PROGRESS_DEPTH': 0},

                       'BluePurple': {'BACKGROUND': '#A5CADD',
                                      'TEXT': '#6E266E',
                                      'INPUT': '#E0F5FF',
                                      'TEXT_INPUT': 'black',
                                      'SCROLL': '#E0F5FF',
                                      'BUTTON': ('white', '#303952'),
                                      'PROGRESS': DEFAULT_PROGRESS_BAR_COLOR,
                                      'BORDER': 1,
                                      'SLIDER_DEPTH': 0,
                                      'PROGRESS_DEPTH': 0},

                       'Purple': {'BACKGROUND': '#B0AAC2',
                                  'TEXT': 'black',
                                  'INPUT': '#F2EFE8',
                                  'SCROLL': '#F2EFE8',
                                  'TEXT_INPUT': 'black',
                                  'BUTTON': ('black', '#C2D4D8'),
                                  'PROGRESS': DEFAULT_PROGRESS_BAR_COLOR,
                                  'BORDER': 1,
                                  'SLIDER_DEPTH': 0,
                                  'PROGRESS_DEPTH': 0},

                       'BlueMono': {'BACKGROUND': '#AAB6D3',
                                    'TEXT': 'black',
                                    'INPUT': '#F1F4FC',
                                    'SCROLL': '#F1F4FC',
                                    'TEXT_INPUT': 'black',
                                    'BUTTON': ('white', '#7186C7'),
                                    'PROGRESS': DEFAULT_PROGRESS_BAR_COLOR,
                                    'BORDER': 1,
                                    'SLIDER_DEPTH': 0,
                                    'PROGRESS_DEPTH': 0},

                       'GreenMono': {'BACKGROUND': '#A8C1B4',
                                     'TEXT': 'black',
                                     'INPUT': '#DDE0DE',
                                     'SCROLL': '#E3E3E3',
                                     'TEXT_INPUT': 'black',
                                     'BUTTON': ('white', '#6D9F85'),
                                     'PROGRESS': DEFAULT_PROGRESS_BAR_COLOR,
                                     'BORDER': 1,
                                     'SLIDER_DEPTH': 0,
                                     'PROGRESS_DEPTH': 0},

                       'BrownBlue': {'BACKGROUND': '#64778d',
                                     'TEXT': 'white',
                                     'INPUT': '#f0f3f7',
                                     'SCROLL': '#A6B2BE',
                                     'TEXT_INPUT': 'black',
                                     'BUTTON': ('white', '#283b5b'),
                                     'PROGRESS': DEFAULT_PROGRESS_BAR_COLOR,
                                     'BORDER': 1,
                                     'SLIDER_DEPTH': 0,
                                     'PROGRESS_DEPTH': 0},

                       'BrightColors': {'BACKGROUND': '#b4ffb4',
                                        'TEXT': 'black',
                                        'INPUT': '#ffff64',
                                        'SCROLL': '#ffb482',
                                        'TEXT_INPUT': 'black',
                                        'BUTTON': ('black', '#ffa0dc'),
                                        'PROGRESS': DEFAULT_PROGRESS_BAR_COLOR,
                                        'BORDER': 1,
                                        'SLIDER_DEPTH': 0,
                                        'PROGRESS_DEPTH': 0},

                       'NeutralBlue': {'BACKGROUND': '#92aa9d',
                                       'TEXT': 'black',
                                       'INPUT': '#fcfff6',
                                       'SCROLL': '#fcfff6',
                                       'TEXT_INPUT': 'black',
                                       'BUTTON': ('black', '#d0dbbd'),
                                       'PROGRESS': DEFAULT_PROGRESS_BAR_COLOR,
                                       'BORDER': 1,
                                       'SLIDER_DEPTH': 0,
                                       'PROGRESS_DEPTH': 0},

                       'Kayak': {'BACKGROUND': '#a7ad7f',
                                 'TEXT': 'black',
                                 'INPUT': '#e6d3a8',
                                 'SCROLL': '#e6d3a8',
                                 'TEXT_INPUT': 'black',
                                 'BUTTON': ('white', '#5d907d'),
                                 'PROGRESS': DEFAULT_PROGRESS_BAR_COLOR,
                                 'BORDER': 1,
                                 'SLIDER_DEPTH': 0,
                                 'PROGRESS_DEPTH': 0},

                       'SandyBeach': {'BACKGROUND': '#efeccb',
                                      'TEXT': '#012f2f',
                                      'INPUT': '#e6d3a8',
                                      'SCROLL': '#e6d3a8',
                                      'TEXT_INPUT': '#012f2f',
                                      'BUTTON': ('white', '#046380'),
                                      'PROGRESS': DEFAULT_PROGRESS_BAR_COLOR,
                                      'BORDER': 1, 'SLIDER_DEPTH': 0,
                                      'PROGRESS_DEPTH': 0},

                       'TealMono': {'BACKGROUND': '#a8cfdd',
                                    'TEXT': 'black',
                                    'INPUT': '#dfedf2', 'SCROLL': '#dfedf2',
                                    'TEXT_INPUT': 'black',
                                    'BUTTON': ('white', '#183440'),
                                    'PROGRESS': DEFAULT_PROGRESS_BAR_COLOR,
                                    'BORDER': 1,
                                    'SLIDER_DEPTH': 0,
                                    'PROGRESS_DEPTH': 0}
                       }


def ListOfLookAndFeelValues():
    return list(LOOK_AND_FEEL_TABLE.keys())


def ChangeLookAndFeel(index):
    # global LOOK_AND_FEEL_TABLE

    if sys.platform == 'darwin':
        print('*** Changing look and feel is not supported on Mac platform ***')
        return

    # look and feel table

    try:
        colors = LOOK_AND_FEEL_TABLE[index]

        SetOptions(background_color=colors['BACKGROUND'],
                   text_element_background_color=colors['BACKGROUND'],
                   element_background_color=colors['BACKGROUND'],
                   text_color=colors['TEXT'],
                   input_elements_background_color=colors['INPUT'],
                   button_color=colors['BUTTON'],
                   progress_meter_color=colors['PROGRESS'],
                   border_width=colors['BORDER'],
                   slider_border_width=colors['SLIDER_DEPTH'],
                   progress_meter_border_depth=colors['PROGRESS_DEPTH'],
                   scrollbar_color=(colors['SCROLL']),
                   element_text_color=colors['TEXT'],
                   input_text_color=colors['TEXT_INPUT'])
    except:  # most likely an index out of range
        print('** Warning - Look and Feel value not valid. Change your ChangeLookAndFeel call. **')


# ============================== sprint ======#
# Is identical to the Scrolled Text Box       #
# Provides a crude 'print' mechanism but in a #
# GUI environment                             #
# ============================================#
sprint = ScrolledTextBox


# Converts an object's contents into a nice printable string.  Great for dumping debug data
def ObjToStringSingleObj(obj):
    if obj is None:
        return 'None'
    return str(obj.__class__) + '\n' + '\n'.join(
        (repr(item) + ' = ' + repr(obj.__dict__[item]) for item in sorted(obj.__dict__)))


def ObjToString(obj, extra='    '):
    if obj is None:
        return 'None'
    return str(obj.__class__) + '\n' + '\n'.join(
        (extra + (str(item) + ' = ' +
                  (ObjToString(obj.__dict__[item], extra + '    ') if hasattr(obj.__dict__[item], '__dict__') else str(
                      obj.__dict__[item])))
         for item in sorted(obj.__dict__)))


######
#     #   ####   #####   #    #  #####    ####
#     #  #    #  #    #  #    #  #    #  #
######   #    #  #    #  #    #  #    #   ####
#        #    #  #####   #    #  #####        #
#        #    #  #       #    #  #       #    #
#         ####   #        ####   #        ####


# ------------------------------------------------------------------------------------------------------------------ #
# =====================================   Upper PySimpleGUI ======================================================== #
# ------------------------------------------------------------------------------------------------------------------ #
# ----------------------------------- The mighty Popup! ------------------------------------------------------------ #

def Popup(*args, title=None, button_color=None, background_color=None, text_color=None, button_type=POPUP_BUTTONS_OK,
          auto_close=False, auto_close_duration=None, custom_text=(None, None), non_blocking=False, icon=DEFAULT_WINDOW_ICON, line_width=None,
          font=None, no_titlebar=False, grab_anywhere=False, keep_on_top=False, location=(None, None)):
    """
    Popup - Display a popup box with as many parms as you wish to include
    :param args:
    :param button_color:
    :param background_color:
    :param text_color:
    :param button_type:
    :param auto_close:
    :param auto_close_duration:
    :param non_blocking:
    :param icon:
    :param line_width:
    :param font:
    :param no_titlebar:
    :param grab_anywhere:
    :param keep_on_top:
    :param location:
    :return:
    """
    if not args:
        args_to_print = ['']
    else:
        args_to_print = args
    if line_width != None:
        local_line_width = line_width
    else:
        local_line_width = MESSAGE_BOX_LINE_WIDTH
    _title =  title if title is not None else args_to_print[0]
    window = Window(_title, auto_size_text=True, background_color=background_color, button_color=button_color,
                    auto_close=auto_close, auto_close_duration=auto_close_duration, icon=icon, font=font,
                    no_titlebar=no_titlebar, grab_anywhere=grab_anywhere, keep_on_top=keep_on_top, location=location)
    max_line_total, total_lines = 0, 0
    for message in args_to_print:
        # fancy code to check if string and convert if not is not need. Just always convert to string :-)
        # if not isinstance(message, str): message = str(message)
        message = str(message)
        if message.count('\n'):
            message_wrapped = message
        else:
            message_wrapped = textwrap.fill(message, local_line_width)
        message_wrapped_lines = message_wrapped.count('\n') + 1
        longest_line_len = max([len(l) for l in message.split('\n')])
        width_used = min(longest_line_len, local_line_width)
        max_line_total = max(max_line_total, width_used)
        # height = _GetNumLinesNeeded(message, width_used)
        height = message_wrapped_lines
        window.AddRow(
            Text(message_wrapped, auto_size_text=True, text_color=text_color, background_color=background_color))
        total_lines += height

    if non_blocking:
        PopupButton = DummyButton  # important to use or else button will close other windows too!
    else:
        PopupButton = CloseButton
    # show either an OK or Yes/No depending on paramater
    if custom_text != (None, None):
        if type(custom_text) is not tuple:
            window.AddRow(PopupButton(custom_text,size=(len(custom_text),1), button_color=button_color, focus=True, bind_return_key=True))
        elif custom_text[1] is None:
            window.AddRow(PopupButton(custom_text[0],size=(len(custom_text[0]),1), button_color=button_color, focus=True, bind_return_key=True))
        else:
            window.AddRow(PopupButton(custom_text[0], button_color=button_color, focus=True, bind_return_key=True, size=(len(custom_text[0]), 1)),
                          PopupButton(custom_text[1], button_color=button_color, size=(len(custom_text[0]), 1)))
    elif button_type is POPUP_BUTTONS_YES_NO:
        window.AddRow(PopupButton('Yes', button_color=button_color, focus=True, bind_return_key=True, pad=((20, 5), 3),
                                  size=(5, 1)), PopupButton('No', button_color=button_color, size=(5, 1)))
    elif button_type is POPUP_BUTTONS_CANCELLED:
        window.AddRow(
            PopupButton('Cancelled', button_color=button_color, focus=True, bind_return_key=True, pad=((20, 0), 3)))
    elif button_type is POPUP_BUTTONS_ERROR:
        window.AddRow(PopupButton('Error', size=(6, 1), button_color=button_color, focus=True, bind_return_key=True,
                                  pad=((20, 0), 3)))
    elif button_type is POPUP_BUTTONS_OK_CANCEL:
        window.AddRow(PopupButton('OK', size=(6, 1), button_color=button_color, focus=True, bind_return_key=True),
                      PopupButton('Cancel', size=(6, 1), button_color=button_color))
    elif button_type is POPUP_BUTTONS_NO_BUTTONS:
        pass
    else:
        window.AddRow(PopupButton('OK', size=(5, 1), button_color=button_color, focus=True, bind_return_key=True,
                                  pad=((20, 0), 3)))

    if non_blocking:
        button, values = window.Read(timeout=0)
    else:
        button, values = window.Read()

    return button


# ==============================  MsgBox============#
# Lazy function. Same as calling Popup with parms   #
# This function WILL Disappear perhaps today        #
# ==================================================#
# MsgBox is the legacy call and should not be used any longer
def MsgBox(*args):
    raise DeprecationWarning('MsgBox is no longer supported... change your call to Popup')


# --------------------------- PopupNoButtons ---------------------------
def PopupNoButtons(*args, title=None, button_color=None, background_color=None, text_color=None, auto_close=False,
                   auto_close_duration=None, non_blocking=False, icon=DEFAULT_WINDOW_ICON, line_width=None, font=None,
                   no_titlebar=False, grab_anywhere=False, keep_on_top=False, location=(None, None)):
    """
    Show a Popup but without any buttons
    :param args:
    :param button_color:
    :param background_color:
    :param text_color:
    :param auto_close:
    :param auto_close_duration:
    :param non_blocking:
    :param icon:
    :param line_width:
    :param font:
    :param no_titlebar:
    :param grab_anywhere:
    :param keep_on_top:
    :param location:
    :return:
    """
    Popup(*args, title=title, button_color=button_color, background_color=background_color, text_color=text_color,
          button_type=POPUP_BUTTONS_NO_BUTTONS,
          auto_close=auto_close, auto_close_duration=auto_close_duration, non_blocking=non_blocking, icon=icon,
          line_width=line_width,
          font=font, no_titlebar=no_titlebar, grab_anywhere=grab_anywhere, keep_on_top=keep_on_top, location=location)


# --------------------------- PopupNonBlocking ---------------------------
def PopupNonBlocking(*args, title=None, button_type=POPUP_BUTTONS_OK, button_color=None, background_color=None, text_color=None,
                     auto_close=False, auto_close_duration=None, non_blocking=True, icon=DEFAULT_WINDOW_ICON,
                     line_width=None, font=None, no_titlebar=False, grab_anywhere=False, keep_on_top=False,
                     location=(None, None)):
    """
    Show Popup box and immediately return (does not block)
    :param args:
    :param button_type:
    :param button_color:
    :param background_color:
    :param text_color:
    :param auto_close:
    :param auto_close_duration:
    :param non_blocking:
    :param icon:
    :param line_width:
    :param font:
    :param no_titlebar:
    :param grab_anywhere:
    :param keep_on_top:
    :param location:
    :return:
    """
    Popup(*args, title=title, button_color=button_color, background_color=background_color, text_color=text_color,
          button_type=button_type,
          auto_close=auto_close, auto_close_duration=auto_close_duration, non_blocking=non_blocking, icon=icon,
          line_width=line_width,
          font=font, no_titlebar=no_titlebar, grab_anywhere=grab_anywhere, keep_on_top=keep_on_top, location=location)


PopupNoWait = PopupNonBlocking


# --------------------------- PopupQuick - a NonBlocking, Self-closing Popup  ---------------------------
def PopupQuick(*args,title=None, button_type=POPUP_BUTTONS_OK, button_color=None, background_color=None, text_color=None,
               auto_close=True, auto_close_duration=2, non_blocking=True, icon=DEFAULT_WINDOW_ICON, line_width=None,
               font=None, no_titlebar=False, grab_anywhere=False, keep_on_top=False, location=(None, None)):
    """
    Show Popup box that doesn't block and closes itself
    :param args:
    :param button_type:
    :param button_color:
    :param background_color:
    :param text_color:
    :param auto_close:
    :param auto_close_duration:
    :param non_blocking:
    :param icon:
    :param line_width:
    :param font:
    :param no_titlebar:
    :param grab_anywhere:
    :param keep_on_top:
    :param location:
    :return:
    """
    Popup(*args, title=title, button_color=button_color, background_color=background_color, text_color=text_color,
          button_type=button_type,
          auto_close=auto_close, auto_close_duration=auto_close_duration, non_blocking=non_blocking, icon=icon,
          line_width=line_width,
          font=font, no_titlebar=no_titlebar, grab_anywhere=grab_anywhere, keep_on_top=keep_on_top, location=location)


# --------------------------- PopupQuick - a NonBlocking, Self-closing Popup with no titlebar and no buttons ---------------------------
def PopupQuickMessage(*args, title=None, button_type=POPUP_BUTTONS_NO_BUTTONS, button_color=None, background_color=None, text_color=None,
               auto_close=True, auto_close_duration=2, non_blocking=True, icon=DEFAULT_WINDOW_ICON, line_width=None,
               font=None, no_titlebar=True, grab_anywhere=False, keep_on_top=False, location=(None, None)):
    """
    Show Popup box that doesn't block and closes itself
    :param args:
    :param button_type:
    :param button_color:
    :param background_color:
    :param text_color:
    :param auto_close:
    :param auto_close_duration:
    :param non_blocking:
    :param icon:
    :param line_width:
    :param font:
    :param no_titlebar:
    :param grab_anywhere:
    :param keep_on_top:
    :param location:
    :return:
    """
    Popup(*args, title=title, button_color=button_color, background_color=background_color, text_color=text_color,
          button_type=button_type,
          auto_close=auto_close, auto_close_duration=auto_close_duration, non_blocking=non_blocking, icon=icon,
          line_width=line_width,
          font=font, no_titlebar=no_titlebar, grab_anywhere=grab_anywhere, keep_on_top=keep_on_top, location=location)


# --------------------------- PopupNoTitlebar ---------------------------
def PopupNoTitlebar(*args, title=None, button_type=POPUP_BUTTONS_OK, button_color=None, background_color=None, text_color=None,
                    auto_close=False, auto_close_duration=None, non_blocking=False, icon=DEFAULT_WINDOW_ICON,
                    line_width=None, font=None, grab_anywhere=True, keep_on_top=False, location=(None, None)):
    """
    Display a Popup without a titlebar.   Enables grab anywhere so you can move it
    :param args:
    :param button_type:
    :param button_color:
    :param background_color:
    :param text_color:
    :param auto_close:
    :param auto_close_duration:
    :param non_blocking:
    :param icon:
    :param line_width:
    :param font:
    :param grab_anywhere:
    :param keep_on_top:
    :param location:
    :return:
    """
    Popup(*args, title=title, button_color=button_color, background_color=background_color, text_color=text_color,
          button_type=button_type,
          auto_close=auto_close, auto_close_duration=auto_close_duration, non_blocking=non_blocking, icon=icon,
          line_width=line_width,
          font=font, no_titlebar=True, grab_anywhere=grab_anywhere, keep_on_top=keep_on_top, location=location)


PopupNoFrame = PopupNoTitlebar
PopupNoBorder = PopupNoTitlebar
PopupAnnoying = PopupNoTitlebar


# --------------------------- PopupAutoClose ---------------------------
def PopupAutoClose(*args, title=None, button_type=POPUP_BUTTONS_OK, button_color=None, background_color=None, text_color=None,
                   auto_close=True, auto_close_duration=None, non_blocking=False, icon=DEFAULT_WINDOW_ICON,
                   line_width=None, font=None, no_titlebar=False, grab_anywhere=False, keep_on_top=False,
                   location=(None, None)):
    """
    Popup that closes itself after some time period
    :param args:
    :param button_type:
    :param button_color:
    :param background_color:
    :param text_color:
    :param auto_close:
    :param auto_close_duration:
    :param non_blocking:
    :param icon:
    :param line_width:
    :param font:
    :param no_titlebar:
    :param grab_anywhere:
    :param keep_on_top:
    :param location:
    :return:
    """
    Popup(*args, title=title, button_color=button_color, background_color=background_color, text_color=text_color,
          button_type=button_type,
          auto_close=auto_close, auto_close_duration=auto_close_duration, non_blocking=non_blocking, icon=icon,
          line_width=line_width,
          font=font, no_titlebar=no_titlebar, grab_anywhere=grab_anywhere, keep_on_top=keep_on_top, location=location)


PopupTimed = PopupAutoClose


# --------------------------- PopupError ---------------------------
def PopupError(*args, title=None, button_color=(None, None), background_color=None, text_color=None, auto_close=False,
               auto_close_duration=None, non_blocking=False, icon=DEFAULT_WINDOW_ICON, line_width=None, font=None,
               no_titlebar=False, grab_anywhere=False, keep_on_top=False, location=(None, None)):
    """
    Popup with colored button and 'Error' as button text
    :param args:
    :param button_color:
    :param background_color:
    :param text_color:
    :param auto_close:
    :param auto_close_duration:
    :param non_blocking:
    :param icon:
    :param line_width:
    :param font:
    :param no_titlebar:
    :param grab_anywhere:
    :param keep_on_top:
    :param location:
    :return:
    """
    tbutton_color = DEFAULT_ERROR_BUTTON_COLOR if button_color == (None, None) else button_color
    Popup(*args, title=title, button_type=POPUP_BUTTONS_ERROR, background_color=background_color, text_color=text_color,
          non_blocking=non_blocking, icon=icon, line_width=line_width, button_color=tbutton_color, auto_close=auto_close,
          auto_close_duration=auto_close_duration, font=font, no_titlebar=no_titlebar, grab_anywhere=grab_anywhere,
          keep_on_top=keep_on_top, location=location)


# --------------------------- PopupCancel ---------------------------
def PopupCancel(*args,title=None, button_color=None, background_color=None, text_color=None, auto_close=False,
                auto_close_duration=None, non_blocking=False, icon=DEFAULT_WINDOW_ICON, line_width=None, font=None,
                no_titlebar=False, grab_anywhere=False, keep_on_top=False, location=(None, None)):
    """
    Display Popup with "cancelled" button text
    :param args:
    :param button_color:
    :param background_color:
    :param text_color:
    :param auto_close:
    :param auto_close_duration:
    :param non_blocking:
    :param icon:
    :param line_width:
    :param font:
    :param no_titlebar:
    :param grab_anywhere:
    :param keep_on_top:
    :param location:
    :return:
    """
    Popup(*args, title=title, button_type=POPUP_BUTTONS_CANCELLED, background_color=background_color, text_color=text_color,
          non_blocking=non_blocking, icon=icon, line_width=line_width, button_color=button_color, auto_close=auto_close,
          auto_close_duration=auto_close_duration, font=font, no_titlebar=no_titlebar, grab_anywhere=grab_anywhere,
          keep_on_top=keep_on_top, location=location)


# --------------------------- PopupOK ---------------------------
def PopupOK(*args, title=None, button_color=None, background_color=None, text_color=None, auto_close=False,
            auto_close_duration=None, non_blocking=False, icon=DEFAULT_WINDOW_ICON, line_width=None, font=None,
            no_titlebar=False, grab_anywhere=False, keep_on_top=False, location=(None, None)):
    """
    Display Popup with OK button only
    :param args:
    :param button_color:
    :param background_color:
    :param text_color:
    :param auto_close:
    :param auto_close_duration:
    :param non_blocking:
    :param icon:
    :param line_width:
    :param font:
    :param no_titlebar:
    :param grab_anywhere:
    :param keep_on_top:
    :param location:
    :return:
    """
    Popup(*args, title=title, button_type=POPUP_BUTTONS_OK, background_color=background_color, text_color=text_color,
          non_blocking=non_blocking, icon=icon, line_width=line_width, button_color=button_color, auto_close=auto_close,
          auto_close_duration=auto_close_duration, font=font, no_titlebar=no_titlebar, grab_anywhere=grab_anywhere,
          keep_on_top=keep_on_top, location=location)


# --------------------------- PopupOKCancel ---------------------------
def PopupOKCancel(*args, title=None,  button_color=None, background_color=None, text_color=None, auto_close=False,
                  auto_close_duration=None, non_blocking=False, icon=DEFAULT_WINDOW_ICON, line_width=None, font=None,
                  no_titlebar=False, grab_anywhere=False, keep_on_top=False, location=(None, None)):
    """
    Display popup with OK and Cancel buttons
    :param args:
    :param button_color:
    :param background_color:
    :param text_color:
    :param auto_close:
    :param auto_close_duration:
    :param non_blocking:
    :param icon:
    :param line_width:
    :param font:
    :param no_titlebar:
    :param grab_anywhere:
    :param keep_on_top:
    :param location:
    :return: OK, Cancel or None
    """
    return Popup(*args, title=title, button_type=POPUP_BUTTONS_OK_CANCEL, background_color=background_color, text_color=text_color,
                 non_blocking=non_blocking, icon=icon, line_width=line_width, button_color=button_color,
                 auto_close=auto_close, auto_close_duration=auto_close_duration, font=font, no_titlebar=no_titlebar,
                 grab_anywhere=grab_anywhere, keep_on_top=keep_on_top, location=location)


# --------------------------- PopupYesNo ---------------------------
def PopupYesNo(*args, title=None, button_color=None, background_color=None, text_color=None, auto_close=False,
               auto_close_duration=None, non_blocking=False, icon=DEFAULT_WINDOW_ICON, line_width=None, font=None,
               no_titlebar=False, grab_anywhere=False, keep_on_top=False, location=(None, None)):
    """
    Display Popup with Yes and No buttons
    :param args:
    :param button_color:
    :param background_color:
    :param text_color:
    :param auto_close:
    :param auto_close_duration:
    :param non_blocking:
    :param icon:
    :param line_width:
    :param font:
    :param no_titlebar:
    :param grab_anywhere:
    :param keep_on_top:
    :param location:
    :return: Yes, No or None
    """
    return Popup(*args, title=title, button_type=POPUP_BUTTONS_YES_NO, background_color=background_color, text_color=text_color,
                 non_blocking=non_blocking, icon=icon, line_width=line_width, button_color=button_color,
                 auto_close=auto_close, auto_close_duration=auto_close_duration, font=font, no_titlebar=no_titlebar,
                 grab_anywhere=grab_anywhere, keep_on_top=keep_on_top, location=location)


##############################################################################
#   The PopupGet_____ functions - Will return user input                     #
##############################################################################

# --------------------------- PopupGetFolder ---------------------------


def PopupGetFolder(message, title=None, default_path='', no_window=False, size=(None, None), button_color=None,
                   background_color=None, text_color=None, icon=DEFAULT_WINDOW_ICON, font=None, no_titlebar=False,
                   grab_anywhere=False, keep_on_top=False, location=(None, None), initial_folder=None):
    """
    Display popup with text entry field and browse button. Browse for folder
    :param message:
    :param default_path:
    :param no_window:
    :param size:
    :param button_color:
    :param background_color:
    :param text_color:
    :param icon:
    :param font:
    :param no_titlebar:
    :param grab_anywhere:
    :param keep_on_top:
    :param location:
    :return: Contents of text field. None if closed using X or cancelled
    """

    # global _my_windows

    if no_window:
        # if _my_windows.NumOpenWindows:
        if Window.NumOpenWindows:
            root = tk.Toplevel()
        else:
            root = tk.Tk()
        try:
            root.attributes('-alpha', 0)  # hide window while building it. makes for smoother 'paint'
        except:
            pass
        folder_name = tk.filedialog.askdirectory()  # show the 'get folder' dialog box
        root.destroy()
        return folder_name

    layout = [[Text(message, auto_size_text=True, text_color=text_color, background_color=background_color)],
              [InputText(default_text=default_path, size=size), FolderBrowse(initial_folder=initial_folder)],
              [CloseButton('Ok', size=(5, 1), bind_return_key=True), CloseButton('Cancel', size=(5, 1))]]

    window = Window(title=title, icon=icon, auto_size_text=True, button_color=button_color,
                    background_color=background_color,
                    font=font, no_titlebar=no_titlebar, grab_anywhere=grab_anywhere, keep_on_top=keep_on_top,
                    location=location)

    (button, input_values) = window.Layout(layout).Read()

    if button != 'Ok':
        return None
    else:
        path = input_values[0]
        return path


# --------------------------- PopupGetFile ---------------------------

def PopupGetFile(message, title=None, default_path='', default_extension='', save_as=False, file_types=(("ALL Files", "*.*"),),
                 no_window=False, size=(None, None), button_color=None, background_color=None, text_color=None,
                 icon=DEFAULT_WINDOW_ICON, font=None, no_titlebar=False, grab_anywhere=False, keep_on_top=False,
                 location=(None, None),  initial_folder=None):
    """
        Display popup with text entry field and browse button. Browse for file
    :param message:
    :param default_path:
    :param default_extension:
    :param save_as:
    :param file_types:
    :param no_window:
    :param size:
    :param button_color:
    :param background_color:
    :param text_color:
    :param icon:
    :param font:
    :param no_titlebar:
    :param grab_anywhere:
    :param keep_on_top:
    :param location:
    :return:  string representing the path chosen, None if cancelled or window closed with X
    """

    # global _my_windows

    if no_window:
        # if _my_windows.NumOpenWindows:
        if Window.NumOpenWindows:
            root = tk.Toplevel()
        else:
            root = tk.Tk()
        try:
            root.attributes('-alpha', 0)  # hide window while building it. makes for smoother 'paint'
        except:
            pass
        if save_as:
            filename = tk.filedialog.asksaveasfilename(filetypes=file_types,
                                                       defaultextension=default_extension)  # show the 'get file' dialog box
        else:
            filename = tk.filedialog.askopenfilename(filetypes=file_types,
                                                     defaultextension=default_extension)  # show the 'get file' dialog box
        root.destroy()
        return filename

    browse_button = SaveAs(file_types=file_types, initial_folder=initial_folder) if save_as else FileBrowse(file_types=file_types, initial_folder=initial_folder)

    layout = [[Text(message, auto_size_text=True, text_color=text_color, background_color=background_color)],
              [InputText(default_text=default_path, size=size), browse_button],
              [CloseButton('Ok', size=(6, 1), bind_return_key=True), CloseButton('Cancel', size=(6, 1))]]

    window = Window(title=title, icon=icon, auto_size_text=True, button_color=button_color, font=font,
                    background_color=background_color,
                    no_titlebar=no_titlebar, grab_anywhere=grab_anywhere, keep_on_top=keep_on_top, location=location)

    (button, input_values) = window.Layout(layout).Read()
    if button != 'Ok':
        return None
    else:
        path = input_values[0]
        return path


# --------------------------- PopupGetText ---------------------------

def PopupGetText(message, title=None, default_text='', password_char='', size=(None, None), button_color=None,
                 background_color=None, text_color=None, icon=DEFAULT_WINDOW_ICON, font=None, no_titlebar=False,
                 grab_anywhere=False, keep_on_top=False, location=(None, None)):
    """
    Display Popup with text entry field
    :param message:
    :param default_text:
    :param password_char:
    :param size:
    :param button_color:
    :param background_color:
    :param text_color:
    :param icon:
    :param font:
    :param no_titlebar:
    :param grab_anywhere:
    :param keep_on_top:
    :param location:
    :return: Text entered or None if window was closed
    """

    layout = [[Text(message, auto_size_text=True, text_color=text_color, background_color=background_color, font=font)],
              [InputText(default_text=default_text, size=size, password_char=password_char)],
              [CloseButton('Ok', size=(5, 1), bind_return_key=True), CloseButton('Cancel', size=(5, 1))]]

    window = Window(title=title, icon=icon, auto_size_text=True, button_color=button_color, no_titlebar=no_titlebar,
                    background_color=background_color, grab_anywhere=grab_anywhere, keep_on_top=keep_on_top,
                    location=location)

    (button, input_values) = window.Layout(layout).Read()

    if button != 'Ok':
        return None
    else:
        return input_values[0]

# --------------------------- PopupAnimated ---------------------------

def PopupAnimated(image_source, message=None, background_color=None, text_color=None, font=None, no_titlebar=True, grab_anywhere=True, keep_on_top=True, location=(None, None), alpha_channel=.8, time_between_frames=0):

    if image_source is None:
        for image in Window.animated_popup_dict:
            window = Window.animated_popup_dict[image]
            window.Close()
        Window.animated_popup_dict = {}
        return

    if image_source not in Window.animated_popup_dict:
        layout = [[Image(data=image_source, background_color=background_color, key='_IMAGE_',)],]
        if message:
            layout.append([Text(message, background_color=background_color, text_color=text_color, font=font)])

        window = Window('Animated GIF', no_titlebar=no_titlebar, grab_anywhere=grab_anywhere, keep_on_top=keep_on_top,
                           background_color=background_color, location=location, alpha_channel=alpha_channel, element_padding=(0,0), margins=(0,0)).Layout(layout).Finalize()
        Window.animated_popup_dict[image_source] = window
    else:
        window = Window.animated_popup_dict[image_source]
        window.Element('_IMAGE_').UpdateAnimation(image_source, time_between_frames=time_between_frames)

    window.Refresh()        # call refresh instead of Read to save significant CPU time

"""
                       d8b          
                       Y8P          
                                    
88888b.d88b.   8888b.  888 88888b.  
888 "888 "88b     "88b 888 888 "88b 
888  888  888 .d888888 888 888  888 
888  888  888 888  888 888 888  888 
888  888  888 "Y888888 888 888  888 
                                    
"""

def main():
    from random import randint

    ChangeLookAndFeel('GreenTan')
    # ------ Menu Definition ------ #
    menu_def = [['&File', ['!&Open', '&Save::savekey', '---', '&Properties', 'E&xit']],
                ['!&Edit', ['!&Paste', ['Special', 'Normal', ], 'Undo'], ],
                ['&Toolbar', ['Command &1', 'Command &2', 'Command &3', 'Command &4']],
                ['&Help', '&About...'], ]

    treedata = TreeData()

    treedata.Insert("", '_A_', 'Tree Item 1', [1, 2, 3], )
    treedata.Insert("", '_B_', 'B', [4, 5, 6], )
    treedata.Insert("_A_", '_A1_', 'Sub Item 1', ['can', 'be', 'anything'], )
    treedata.Insert("", '_C_', 'C', [], )
    treedata.Insert("_C_", '_C1_', 'C1', ['or'], )
    treedata.Insert("_A_", '_A2_', 'Sub Item 2', [None, None])
    treedata.Insert("_A1_", '_A3_', 'A30', ['getting deep'])
    treedata.Insert("_C_", '_C2_', 'C2', ['nothing', 'at', 'all'])

    for i in range(100):
        treedata.Insert('_C_', i, i, [])

    frame1 = [
        [Input('Input Text', size=(25, 1)), ],
        [Multiline(size=(30, 5), default_text='Multiline Input')],
    ]

    frame2 = [
        [Listbox(['Listbox 1', 'Listbox 2', 'Listbox 3'], size=(20, 5))],
        [Combo(['Combo item 1', ], size=(20, 3), text_color='red', background_color='red')],
        [Spin([1, 2, 3], size=(4, 3))],
    ]

    frame3 = [
        [Checkbox('Checkbox1', True), Checkbox('Checkbox1')],
        [Radio('Radio Button1', 1), Radio('Radio Button2', 1, default=True)],
        [T('', size=(1, 4))],
    ]

    frame4 = [
        [Slider(range=(0, 100), orientation='v', size=(7, 15), default_value=40),
         Slider(range=(0, 100), orientation='h', size=(11, 15), default_value=40), ],
    ]
    matrix = [[str(x * y) for x in range(4)] for y in range(8)]

    frame5 = [
        [Table(values=matrix, headings=matrix[0],
                  auto_size_columns=False, display_row_numbers=True, change_submits=False, justification='right',
                  num_rows=10, alternating_row_color='lightblue', key='_table_', text_color='black',
                  col_widths=[5, 5, 5, 5], size=(400, 200)), T(' '),
         Tree(data=treedata, headings=['col1', 'col2', 'col3'], change_submits=True, auto_size_columns=True,
                 num_rows=10, col0_width=10, key='_TREE_', show_expanded=True, )],
    ]

    graph_elem = Graph((800, 150), (0, 0), (800, 300), key='+GRAPH+')

    frame6 = [
        [graph_elem],
    ]

    tab1 = Tab('Graph Number 1', frame6)
    tab2 = Tab('Graph Number 2', [[]])

    layout1 = [
        [Menu(menu_def)],
        [Text('You are running the PySimpleGUI.py file itself', font='ANY 15')],
        [Text('You should be importing it rather than running it', font='ANY 15')],
        [Frame('Input Text Group', frame1, title_color='red'),
         Image(data=DEFAULT_BASE64_LOADING_GIF, key='_IMAGE_')],
        [Frame('Multiple Choice Group', frame2, title_color='green'),
         Frame('Binary Choice Group', frame3, title_color='purple'),
         Frame('Variable Choice Group', frame4, title_color='blue')],
        [Frame('Structured Data Group', frame5, title_color='red'), ],
        # [Frame('Graphing Group', frame6)],
        [TabGroup([[tab1, tab2]])],
        [ProgressBar(max_value=800, size=(60, 25), key='+PROGRESS+'), Button('Button'), Button('Exit')],
    ]

    layout=[[Column(layout1)]]

    window = Window('Window Title',
                    font=('Helvetica', 13),
                    right_click_menu=['&Right', ['Right', '!&Click', '&Menu', 'E&xit', 'Properties']],
                    ).Layout(layout).Finalize()
    graph_elem.DrawCircle((200, 200), 50, 'blue')
    i = 0
    while True:  # Event Loop
        # TimerStart()
        event, values = window.Read(timeout=0)
        if event != TIMEOUT_KEY:
            print(event, values)
        if event is None or event == 'Exit':
            break
        if i < 800:
            graph_elem.DrawLine((i, 0), (i, randint(0, 300)), width=1, color='#{:06x}'.format(randint(0, 0xffffff)))
        else:
            graph_elem.Move(-1, 0)
            graph_elem.DrawLine((i, 0), (i, randint(0, 300)), width=1, color='#{:06x}'.format(randint(0, 0xffffff)))

        window.FindElement('+PROGRESS+').UpdateBar(i % 800)
        window.Element('_IMAGE_').UpdateAnimation(DEFAULT_BASE64_LOADING_GIF, time_between_frames=50)
        i += 1
        # TimerStop()
    window.Close()


    # layout = [[Text('You are running the PySimpleGUI.py file itself')],
    #           [Text('You should be importing it rather than running it', size=(50, 2))],
    #           [Text('Here is your sample input window....')],
    #           [Text('Source Folder', size=(15, 1), justification='right'), InputText('Source', focus=True),
    #            FolderBrowse(tooltip='Browse for a folder')],
    #           [Text('Destination Folder', size=(15, 1), justification='right'), InputText('Dest'), FolderBrowse()],
    #           [Ok(bind_return_key=True), Cancel()]]
    #
    # window = Window('Demo window..').Layout(layout)
    # event, values = window.Read()
    # window.Close()



if __name__ == '__main__':
    main()
    exit(69)