New example : Window should close

examples/core/window_should_close/main.go

@@ -0,0 +1,47 @@
+package main
+
+import rl "github.com/gen2brain/raylib-go/raylib"
+
+const (
+	screenWidth  = 850
+	screenHeight = 480
+)
+
+func main() {
+	rl.InitWindow(screenWidth, screenHeight, "raylib [core] example - window should close")
+
+	rl.SetExitKey(rl.KeyNull) // Disable KEY_ESCAPE to close window, X-button still works
+
+	exitWindowRequested := false // Flag to request window to exit
+	exitWindow := false          // Flag to set window to exit
+
+	rl.SetTargetFPS(60) // Set our game to run at 60 frames-per-second
+
+	for !exitWindow {
+		if rl.WindowShouldClose() || rl.IsMouseButtonPressed(rl.KeyEscape) {
+			exitWindowRequested = true
+		}
+
+		if exitWindowRequested {
+			if rl.IsKeyPressed(rl.KeyY) {
+				exitWindow = true
+			} else if rl.IsKeyPressed(rl.KeyN) {
+				exitWindowRequested = false
+			}
+		}
+
+		rl.BeginDrawing()
+		rl.ClearBackground(rl.RayWhite)
+
+		if exitWindowRequested {
+			rl.DrawRectangle(0, 100, screenWidth, 200, rl.Black)
+			rl.DrawText("Are you sure you want to exit the program? [Y/N]", 40, 180, 30, rl.White)
+		} else {
+			rl.DrawText("Try to close the window to get confirmation message!", 120, 200, 20, rl.LightGray)
+		}
+
+		rl.EndDrawing()
+	}
+
+	rl.CloseWindow() // Close window and OpenGL context
+}