Add multi-document editing with tabs and windows

CMakeLists.txt

@@ -126,12 +126,22 @@ endif()
     elseif(TARGET wxmono)
         target_link_libraries(csv_explorer PRIVATE wxmono)
     elseif(TARGET wx::wxcore AND TARGET wx::wxbase)
-        target_link_libraries(csv_explorer PRIVATE wx::wxcore wx::wxbase)
+        set(_wx_widgets_targets wx::wxbase wx::wxcore)
+        if(TARGET wx::wxadv)
+            list(APPEND _wx_widgets_targets wx::wxadv)
+        endif()
+        if(TARGET wx::wxaui)
+            list(APPEND _wx_widgets_targets wx::wxaui)
+        endif()
+        target_link_libraries(csv_explorer PRIVATE ${_wx_widgets_targets})
     elseif(TARGET wx::core AND TARGET wx::base)
         set(_wx_widgets_targets wx::base wx::core)
         if(TARGET wx::adv)
             list(APPEND _wx_widgets_targets wx::adv)
         endif()
+        if(TARGET wx::aui)
+            list(APPEND _wx_widgets_targets wx::aui)
+        endif()
         if(TARGET wxWidgets::wxWidgets)
             target_link_libraries(csv_explorer PRIVATE wxWidgets::wxWidgets)
         else()
@@ -149,7 +159,7 @@ endif()
         endif()
     endif()
 else()
-    find_package(wxWidgets REQUIRED COMPONENTS core base adv)
+    find_package(wxWidgets REQUIRED COMPONENTS core base adv aui)
     include(${wxWidgets_USE_FILE})
     target_link_libraries(csv_explorer PRIVATE ${wxWidgets_LIBRARIES})
 endif()

src/main.cpp

@@ -6,25 +6,25 @@ class CsvExplorerApp : public wxApp {
 public:
     bool OnInit() override {
         wxInitAllImageHandlers();
+        SetExitOnFrameDelete(false);
 
-        wxString initialFile;
-        if (argc > 1) {
-            initialFile = wxString(argv[1]);
-        }
-
-        auto* frame = CreateMainFrame(initialFile);
+        auto* frame = CreateMainFrame(argc > 1 ? wxString(argv[1]) : wxString());
         SetTopWindow(frame);
         frame->Show();
+
+        for (int i = 2; i < argc; ++i) {
+            OpenFileInMainFrame(wxDynamicCast(wxGetActiveWindow(), wxFrame), wxString(argv[i]));
+        }
+
         return true;
     }
 
 #ifdef __WXOSX__
     void MacOpenFile(const wxString& fileName) override {
-        wxFrame* frame = wxDynamicCast(GetTopWindow(), wxFrame);
+        wxFrame* frame = wxDynamicCast(wxGetActiveWindow(), wxFrame);
         if (!frame) {
-            return;
+            frame = wxDynamicCast(GetTopWindow(), wxFrame);
         }
-
         OpenFileInMainFrame(frame, fileName);
     }
 #endif