From 73c927fdaff5593dbf25ada893558b12b7b5ab50 Mon Sep 17 00:00:00 2001
From: Antoine Pilote <antoinepilote1@hotmail.com>
Date: Thu, 5 Sep 2024 19:07:48 -0400
Subject: [PATCH] Added window callbacks for focused and closed

---
 Nuake/src/Window.cpp | 40 ++++++++++++++++++++++++++++++++++++++++
 Nuake/src/Window.h   | 13 +++++++++++++
 2 files changed, 53 insertions(+)

diff --git a/Nuake/src/Window.cpp b/Nuake/src/Window.cpp
index dc75d2af..d8f6f969 100644
--- a/Nuake/src/Window.cpp
+++ b/Nuake/src/Window.cpp
@@ -88,6 +88,20 @@ int Window::Init()
     glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE); // To make MacOS happy; should not be needed
     glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
 
+    glfwSetWindowUserPointer(window, this);
+
+    glfwSetWindowCloseCallback(window, [](GLFWwindow* nativeWindow) 
+        {
+            Window* window = reinterpret_cast<Window*>(glfwGetWindowUserPointer(nativeWindow));
+            window->OnWindowClosed(*window);
+        });
+
+    glfwSetWindowFocusCallback(window, [](GLFWwindow* nativeWindow, int focused)
+        {
+            Window* window = reinterpret_cast<Window*>(glfwGetWindowUserPointer(nativeWindow));
+            window->OnWindowFocused(*window, static_cast<bool>(focused));
+        });
+
     // TODO: have clear color in environnement.
     glClearColor(0.f, 0.f, 0.f, 1.0f);
 
@@ -324,6 +338,32 @@ void Window::Maximize()
     glfwMaximizeWindow(this->window);
 }
 
+void Window::SetOnWindowFocusedCallback(std::function<void(Window& window, bool focused)> callback)
+{
+    onWindowFocusedCallback = callback;
+}
+
+void Window::SetOnWindowClosedCallback(std::function<void(Window& window)> callback)
+{
+    onWindowClosedCallback = callback;
+}
+
+void Window::OnWindowFocused(Window& window, bool focused)
+{
+    if (onWindowFocusedCallback)
+    {
+        onWindowFocusedCallback(window, focused);
+    }
+}
+
+void Window::OnWindowClosed(Window& window)
+{
+    if (onWindowClosedCallback)
+    {
+        onWindowClosedCallback(window);
+    }
+}
+
 void Window::InitImgui()
 {
     ImGui::CreateContext();
diff --git a/Nuake/src/Window.h b/Nuake/src/Window.h
index 2c37828c..fab81918 100644
--- a/Nuake/src/Window.h
+++ b/Nuake/src/Window.h
@@ -52,6 +52,12 @@ namespace Nuake
 		void SetFullScreen(bool enabled);
 		void Maximize();
 
+		void OnWindowFocused(Window& window, bool focused);
+		void OnWindowClosed(Window& window);
+
+		void SetOnWindowFocusedCallback(std::function<void(Window& window, bool focused)> callback);
+		void SetOnWindowClosedCallback(std::function<void(Window& window)> callback);
+
 	private:
 		const std::string DEFAULT_TITLE = "Untitled Window";
 		const uint32_t DEFAULT_WIDTH = 1280;
@@ -67,6 +73,13 @@ namespace Nuake
 		Ref<FrameBuffer> framebuffer;
 		Ref<Scene> scene;
 
+		// Callbacks
+		std::function<void(Window&)> onWindowClosedCallback;
+		std::function<void(Window&, bool)> onWindowFocusedCallback;
+
 		void InitImgui();
+
+	private:
+
 	};
 }