CogWindow: Widgets can now be chosen and ordered by the user

Plugins/Cog/Source/CogEngine/Private/CogEngineWindow_Selection.cpp

@@ -21,6 +21,7 @@ void FCogEngineWindow_Selection::Initialize()
     Super::Initialize();
 
     bHasMenu = true;
+    bHasWidget = true;
     ActorClasses = { AActor::StaticClass(), ACharacter::StaticClass() };
 
     Config = GetConfig<UCogEngineConfig_Selection>();

Plugins/Cog/Source/CogEngine/Private/CogEngineWindow_Stats.cpp

@@ -11,6 +11,14 @@ ImVec4 StatRedColor(1.0f, 0.4f, 0.3f, 1.0f);
 ImVec4 StatOrangeColor(1.0f, 0.7f, 0.4f, 1.0f);
 ImVec4 StatGreenColor(0.5f, 1.0f, 0.6f, 1.0f);
 
+//--------------------------------------------------------------------------------------------------------------------------
+void FCogEngineWindow_Stats::Initialize()
+{
+    Super::Initialize();
+
+    bHasWidget = true;
+}
+
 //--------------------------------------------------------------------------------------------------------------------------
 void FCogEngineWindow_Stats::RenderHelp()
 {

Plugins/Cog/Source/CogEngine/Public/CogEngineWindow_Stats.h

@@ -17,6 +17,8 @@ public:
 
 protected:
 
+    virtual void Initialize() override;
+
     virtual void RenderHelp() override;
 
     virtual void RenderContent() override;

Plugins/Cog/Source/CogWindow/Private/CogWindowManager.cpp

@@ -205,6 +205,12 @@ void UCogWindowManager::AddWindow(FCogWindow* Window, const FString& Name, bool
     Window->Initialize();
     Windows.Add(Window);
 
+    if (Window->HasWidget())
+    {
+        Widgets.Add(Window);
+        //Widgets.Sort()
+    }
+
     if (AddToMainMenu)
     {
         if (FMenu* Menu = AddMenu(Window->GetFullName()))
@@ -214,13 +220,6 @@ void UCogWindowManager::AddWindow(FCogWindow* Window, const FString& Name, bool
     }
 }
 
-//--------------------------------------------------------------------------------------------------------------------------
-void UCogWindowManager::AddMainMenuWidget(FCogWindow* Window)
-{
-    Window->SetOwner(this);
-    MainMenuWidgets.Add(Window);
-}
-
 //--------------------------------------------------------------------------------------------------------------------------
 FCogWindow* UCogWindowManager::FindWindowByID(ImGuiID ID)
 {
@@ -388,6 +387,44 @@ void UCogWindowManager::RenderMainMenu()
                 ImGui::EndMenu();
             }
 
+            if (ImGui::BeginMenu("Widgets"))
+            {
+                for (int32 i = 0; i < Widgets.Num(); ++i)
+                {
+                    FCogWindow* Window = Widgets[i];
+
+                    ImGui::PushID(i);
+
+                    bool Visible = Window->GetIsWidgetVisible();
+                    if (ImGui::Checkbox(TCHAR_TO_ANSI(*Window->GetName()), &Visible))
+                    {
+                        Window->SetIsWidgetVisible(Visible);
+                    }
+
+                    if (ImGui::IsItemActive() && ImGui::IsItemHovered() == false)
+                    {
+                        int iNext = i + (ImGui::GetMouseDragDelta(0).y < 0.f ? -1 : 1);
+                        if (iNext >= 0 && iNext < Widgets.Num())
+                        {
+                            Widgets[i] = Widgets[iNext];
+                            Widgets[iNext] = Window;
+                            ImGui::ResetMouseDragDelta();
+                        }
+                    }
+
+                    if (i == 0)
+                    {
+                        ImGui::SameLine();
+                        FCogWindowWidgets::HelpMarker("Drag and drop the widget name to reorder them.");
+                    }
+
+                    ImGui::PopID();
+                }
+
+
+                ImGui::EndMenu();
+            }
+
             ImGui::Separator();
 
             RenderMenuItem(*SettingsWindow, "Settings");
@@ -398,9 +435,20 @@ void UCogWindowManager::RenderMainMenu()
 
         const float MinCursorX = ImGui::GetCursorPosX();
         float CursorX = ImGui::GetWindowWidth();
-
-        for (FCogWindow* Window : MainMenuWidgets)
+        
+        //------------------------------------------------------------
+        // Render in reverse order because it makes more sense 
+        // when looking at the widget ordered list in the UI.
+        //------------------------------------------------------------
+        for (int32 WindowIndex = Widgets.Num() - 1;  WindowIndex >= 0; WindowIndex--)
         {
+            FCogWindow* Window = Widgets[WindowIndex];
+
+            if (Window->GetIsWidgetVisible() == false)
+            {
+                continue;
+            }
+
             TArray<float> SubWidgetsWidths;
             float SimCursorX = CursorX;
             for (int32 SubWidgetIndex = 0; ; ++SubWidgetIndex)
@@ -563,24 +611,62 @@ void UCogWindowManager::SettingsHandler_ClearAll(ImGuiContext* Context, ImGuiSet
 //--------------------------------------------------------------------------------------------------------------------------
 void UCogWindowManager::SettingsHandler_ApplyAll(ImGuiContext* Context, ImGuiSettingsHandler* Handler)
 {
+    UCogWindowManager* Manager = (UCogWindowManager*)Handler->UserData;
+
+    Manager->Widgets.Sort([](const FCogWindow& Window1, const FCogWindow& Window2)
+    {
+        return Window1.GetWidgetOrderIndex() < Window2.GetWidgetOrderIndex();
+    });
 }
 
 //--------------------------------------------------------------------------------------------------------------------------
 void* UCogWindowManager::SettingsHandler_ReadOpen(ImGuiContext* Context, ImGuiSettingsHandler* Handler, const char* Name)
 {
-    return (void*)1;
+    if (strcmp(Name, "Windows") == 0)
+    {
+        return (void*)1;
+    }
+
+    if (strcmp(Name, "Widgets") == 0)
+    {
+        UCogWindowManager* Manager = (UCogWindowManager*)Handler->UserData;
+        Manager->WidgetsOrderIndex = 0;
+
+        return (void*)2;
+    }
+
+    return nullptr;
 }
 
 //--------------------------------------------------------------------------------------------------------------------------
 void UCogWindowManager::SettingsHandler_ReadLine(ImGuiContext* Context, ImGuiSettingsHandler* Handler, void* Entry, const char* Line)
 {
-    ImGuiID Id;
-    if (sscanf_s(Line, "0x%08X", &Id) == 1)
+    if (Entry == (void*)1)
     {
-        UCogWindowManager* Manager = (UCogWindowManager*)Handler->UserData;
-        if (FCogWindow* Window = Manager->FindWindowByID(Id))
+        ImGuiID Id;
+        if (sscanf_s(Line, "0x%08X", &Id) == 1)
         {
-            Window->SetIsVisible(true);
+            UCogWindowManager* Manager = (UCogWindowManager*)Handler->UserData;
+            if (FCogWindow* Window = Manager->FindWindowByID(Id))
+            {
+                Window->SetIsVisible(true);
+            }
+        }
+    }
+    else if (Entry == (void*)2)
+    {
+        ImGuiID Id;
+        int32 Visible = false;
+        if (sscanf_s(Line, "0x%08X %d", &Id, &Visible) == 2)
+        {
+            UCogWindowManager* Manager = (UCogWindowManager*)Handler->UserData;
+            if (FCogWindow* Window = Manager->FindWindowByID(Id))
+            {
+                Window->SetWidgetOrderIndex(Manager->WidgetsOrderIndex);
+                Window->SetIsWidgetVisible(Visible > 0);
+            }
+
+            Manager->WidgetsOrderIndex++;
         }
     }
 }
@@ -598,6 +684,14 @@ void UCogWindowManager::SettingsHandler_WriteAll(ImGuiContext* Context, ImGuiSet
             Buffer->appendf("0x%08X\n", Window->GetID());
         }
     }
+    Buffer->append("\n");
+
+    Buffer->appendf("[%s][Widgets]\n", Handler->TypeName);
+    for (FCogWindow* Window : Manager->Widgets)
+    {
+        Buffer->appendf("0x%08X %d\n", Window->GetID(), Window->GetIsWidgetVisible());
+    }
+    Buffer->append("\n");
 }
 
 //--------------------------------------------------------------------------------------------------------------------------

Plugins/Cog/Source/CogWindow/Public/CogWindow.h

@@ -56,6 +56,16 @@ public:
 
     void SetIsVisible(bool Value) { bIsVisible = Value; }
 
+    bool HasWidget() const { return bHasWidget; }
+
+    bool GetIsWidgetVisible() const { return bIsWidgetVisible; }
+
+    void SetIsWidgetVisible(bool Value) { bIsWidgetVisible = Value; }
+    
+    int32 GetWidgetOrderIndex() const { return WidgetOrderIndex; }
+
+    void SetWidgetOrderIndex(int32 Value) { WidgetOrderIndex = Value; }
+
     void SetOwner(UCogWindowManager* InOwner) { Owner = InOwner; }
 
     UCogWindowManager* GetOwner() const { return Owner; }
@@ -98,13 +108,18 @@ protected:
 
 protected:
 
-    UPROPERTY(Config)
     bool bHideMenu = false;
 
     bool bHasMenu = false;
 
     bool bIsVisible = false;
 
+    bool bHasWidget = false;
+
+    bool bIsWidgetVisible = false;
+
+    int32 WidgetOrderIndex = -1;
+
     ImGuiID ID;
 
     FString FullName;

Plugins/Cog/Source/CogWindow/Public/CogWindowManager.h

@@ -40,8 +40,6 @@ public:
 
     virtual void AddWindow(FCogWindow* Window, const FString& Name, bool AddToMainMenu = true);
 
-    virtual void AddMainMenuWidget(FCogWindow* Window);
-
     virtual FCogWindow* FindWindowByID(ImGuiID ID);
 
     virtual void CloseAllWindows();
@@ -132,6 +130,8 @@ protected:
 
     virtual void RenderSaveLayoutMenuItem(const UPlayerInput* PlayerInput, int LayoutIndex);
 
+    virtual void TickDPI();
+
     static void SettingsHandler_ClearAll(ImGuiContext* ctx, ImGuiSettingsHandler*);
 
     static void SettingsHandler_ApplyAll(ImGuiContext* ctx, ImGuiSettingsHandler*);
@@ -142,7 +142,6 @@ protected:
 
     static void SettingsHandler_WriteAll(ImGuiContext* ctx, ImGuiSettingsHandler* handler, ImGuiTextBuffer* buf);
     
-    void TickDPI();
 
     UPROPERTY()
     mutable TArray<UCogWindowConfig*> Configs;
@@ -172,12 +171,14 @@ protected:
 
     TArray<FCogWindow*> Windows;
 
+    TArray<FCogWindow*> Widgets;
+
+    int32 WidgetsOrderIndex = 0;
+
     TArray<FCogWindow*> SpaceWindows;
 
     FCogWindow_Settings* SettingsWindow = nullptr;
 
-    TArray<FCogWindow*> MainMenuWidgets;
-
     FMenu MainMenu;
 
     int32 LayoutToLoad = -1;

Source/CogSample/CogSampleGameState.cpp

@@ -194,12 +194,6 @@ void ACogSampleGameState::InitializeCog()
     CogWindowManager->AddWindow<FCogInputWindow_Actions>("Input.Actions");
 
     CogWindowManager->AddWindow<FCogInputWindow_Gamepad>("Input.Gamepad");
-
-    //---------------------------------------
-    // Main Menu Widget
-    //---------------------------------------
-    CogWindowManager->AddMainMenuWidget(SelectionWindow);
-    CogWindowManager->AddMainMenuWidget(StatsWindow);
 }
 
 #endif //ENABLE_COG