chore: clean recommit

Examples/Core/WindowShouldClose.cs

@@ -0,0 +1,130 @@
+/*******************************************************************************************
+*
+*   raylib [core] example - window should close
+*
+*   Example complexity rating: [★☆☆☆] 1/4
+*
+*   Example originally created with raylib 4.2, last time updated with raylib 4.2
+*
+*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+*   BSD-like license that allows static linking with closed source software
+*
+*   Copyright (c) 2013-2025 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+using System;
+using System.Numerics;
+using static Raylib_cs.Raylib;
+
+namespace Examples.Core;
+
+public partial class WindowShouldClose : IExample
+{
+    private const int screenWidth = 800;
+    private const int screenHeight = 450;
+
+    public string Name => "Core / Window Should Close";
+
+    public string Title => "raylib [core] example - window should close";
+
+    // The runner drives its loop off this instead of WindowShouldClose(), so the exit
+    // confirmation (polled in Update) can intercept both the X-button and KEY_ESCAPE.
+    public bool ShouldClose => exitWindow;
+
+    private bool exitWindowRequested;   // Flag to request window to exit
+    private bool exitWindow;    // Flag to set window to exit
+
+    public void Init()
+    {
+        SetExitKey(KeyboardKey.Null);       // Disable KEY_ESCAPE to close window, X-button still works
+
+        exitWindowRequested = false;
+        exitWindow = false;
+    }
+
+    public void Update()
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        // Detect if X-button or KEY_ESCAPE have been pressed to close window
+        bool closeRequested = IsKeyPressed(KeyboardKey.Escape);
+#if !BROWSER
+        // WindowShouldClose() polls the OS window close button, but on the wasm target it calls
+        // emscripten_sleep (ASYNCIFY is not enabled) and the canvas has no window chrome anyway,
+        // so on web the confirmation is triggered by KEY_ESCAPE only.
+        closeRequested |= Raylib.WindowShouldClose();
+#endif
+        if (closeRequested)
+        {
+            exitWindowRequested = true;
+        }
+
+        if (exitWindowRequested)
+        {
+            // A request for close window has been issued, we can save data before closing
+            // or just show a message asking for confirmation
+
+            if (IsKeyPressed(KeyboardKey.Y))
+            {
+                exitWindow = true;
+            }
+            else if (IsKeyPressed(KeyboardKey.N))
+            {
+                exitWindowRequested = false;
+            }
+        }
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+        ClearBackground(Color.RayWhite);
+
+        if (exitWindowRequested)
+        {
+            DrawRectangle(0, 100, screenWidth, 200, Color.Black);
+            DrawText("Are you sure you want to exit program? [Y/N]", 40, 180, 30, Color.White);
+        }
+        else
+        {
+            DrawText("Try to close the window to get confirmation message!", 120, 200, 20, Color.LightGray);
+        }
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    public void Unload()
+    {
+    }
+
+    public static int Main()
+    {
+        // Initialization
+        //--------------------------------------------------------------------------------------
+        InitWindow(screenWidth, screenHeight, "raylib [core] example - window should close");
+
+        SetTargetFPS(60);           // Set our game to run at 60 frames-per-second
+        //--------------------------------------------------------------------------------------
+
+        var game = new WindowShouldClose();
+        game.Init();
+
+        // Main game loop
+        while (!game.exitWindow)
+        {
+            game.Update();
+        }
+
+        game.Unload();
+
+        // De-Initialization
+        //--------------------------------------------------------------------------------------
+        CloseWindow();        // Close window and OpenGL context
+        //--------------------------------------------------------------------------------------
+
+        return 0;
+    }
+}