From 68c513bef59553121c8bc8bbbb6a3052d8db04c6 Mon Sep 17 00:00:00 2001
From: Christoph Schweppe <info@cschweppe.de>
Date: Mon, 25 Apr 2022 15:00:13 +0200
Subject: [PATCH] Allow setting a minimum value

---
 src/MenuItems.cpp                  | 8 ++++++++
 src/MenuItems.h                    | 6 ++++++
 src/graphics/DialogRuntimeEditor.h | 2 +-
 3 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/src/MenuItems.cpp b/src/MenuItems.cpp
index c15dc97..05b0b40 100755
--- a/src/MenuItems.cpp
+++ b/src/MenuItems.cpp
@@ -80,6 +80,11 @@ uint16_t MenuItem::getId() const
 	return (isInfoProgMem()) ? get_info_uint(&info->id) : info->id;
 }
 
+uint16_t MenuItem::getMinimumValue() const
+{
+	return (isInfoProgMem()) ? get_info_uint(&info->minValue) : info->minValue;
+}
+
 uint16_t MenuItem::getMaximumValue() const
 {
 	if (isMenuRuntime(this)) {
@@ -292,6 +297,9 @@ void ValueMenuItem::setCurrentValue(uint16_t val, bool silent) {
 	if (val == currentValue || val > getMaximumValue()) {
 		return;
 	}
+	if (val < getMinimumValue()) {
+		val = getMinimumValue();
+	}
 	currentValue = val;
 	changeOccurred(silent);
 }
diff --git a/src/MenuItems.h b/src/MenuItems.h
index d17921b..83c6ded 100755
--- a/src/MenuItems.h
+++ b/src/MenuItems.h
@@ -50,6 +50,8 @@ struct AnyMenuInfo {
 	menuid_t id;
 	/** eeprom address for this item or -1 if not stored */
 	uint16_t eepromAddr;
+	/** minimum value that this type can store */
+	uint16_t minValue;
 	/** maximum value that this type can store */
 	uint16_t maxValue;
 	/** the callback function */
@@ -70,6 +72,8 @@ struct AnalogMenuInfo {
 	menuid_t id;
 	/** eeprom address for this item or -1 if not stored */
 	uint16_t eepromAddr;
+	/** minimum value that this type can store */
+	uint16_t minValue;
 	/** maximum value that this type can store */
 	uint16_t maxValue;
 	/** the callback function */
@@ -355,6 +359,8 @@ class MenuItem {
 	uint8_t copyNameToBuffer(char* sz, int offset, int size) const;
 	/** Retrieves the ID from the info block */
 	menuid_t getId() const;
+	/** Retrieves the minimum value for this menu type */
+	uint16_t getMinimumValue() const;
 	/** Retrieves the maximum value for this menu type */
 	uint16_t getMaximumValue() const;
 	/** Retrieves the eeprom storage position for this menu (or 0xffff if not applicable) */
diff --git a/src/graphics/DialogRuntimeEditor.h b/src/graphics/DialogRuntimeEditor.h
index 4da34cb..90537bc 100644
--- a/src/graphics/DialogRuntimeEditor.h
+++ b/src/graphics/DialogRuntimeEditor.h
@@ -22,7 +22,7 @@ class DialogMultiPartEditor : BaseDialogController {
 private:
     MenuBasedDialog *dialog;
     EditableMultiPartMenuItem* menuItemBeingEdited;
-    AnalogMenuInfo scrollingInfo = {"Item Value", nextRandomId(), 0xffff, 1, onScrollingChanged, 0, 1, "" };
+    AnalogMenuInfo scrollingInfo = {"Item Value", nextRandomId(), 0xffff, 0, 1, onScrollingChanged, 0, 1, "" };
     AnalogMenuItem scrollingEditor = AnalogMenuItem(&scrollingInfo, 0, nullptr, INFO_LOCATION_RAM);
 
 public: