Added GLFW window position change callback and ofEvent notification (#7565)

Co-authored-by: Theodore Watson <[email protected]>

Author: roymacdonald

libs/openFrameworks/app/ofAppGLFWWindow.cpp

@@ -68,15 +68,17 @@ ofAppGLFWWindow::~ofAppGLFWWindow() {
 void ofAppGLFWWindow::close() {
 	if (windowP) {
 
-		glfwSetMouseButtonCallback(windowP, nullptr);
-		glfwSetCursorPosCallback(windowP, nullptr);
-		glfwSetCursorEnterCallback(windowP, nullptr);
-		glfwSetKeyCallback(windowP, nullptr);
-		glfwSetWindowSizeCallback(windowP, nullptr);
-		glfwSetFramebufferSizeCallback(windowP, nullptr);
-		glfwSetWindowCloseCallback(windowP, nullptr);
-		glfwSetScrollCallback(windowP, nullptr);
-		glfwSetDropCallback(windowP, nullptr);
+		glfwSetMouseButtonCallback( windowP, nullptr );
+		glfwSetCursorPosCallback( windowP, nullptr );
+		glfwSetCursorEnterCallback( windowP, nullptr );
+		glfwSetKeyCallback( windowP, nullptr );
+		glfwSetWindowSizeCallback( windowP, nullptr );
+    glfwSetWindowPosCallback(windowP, nullptr);
+		glfwSetFramebufferSizeCallback( windowP, nullptr);
+		glfwSetWindowCloseCallback( windowP, nullptr );
+		glfwSetScrollCallback( windowP, nullptr );
+		glfwSetDropCallback( windowP, nullptr );
+  	glfwSetWindowRefreshCallback(windowP, nullptr);
 
 		//hide the window before we destroy it stops a flicker on OS X on exit.
 		glfwHideWindow(windowP);
@@ -377,6 +379,7 @@ void ofAppGLFWWindow::setup(const ofGLFWWindowSettings & _settings) {
 	glfwSetKeyCallback(windowP, keyboard_cb);
 	glfwSetCharCallback(windowP, char_cb);
 	glfwSetWindowSizeCallback(windowP, resize_cb);
+  glfwSetWindowPosCallback(windowP,position_cb);
 	glfwSetFramebufferSizeCallback(windowP, framebuffer_size_cb);
 	glfwSetWindowCloseCallback(windowP, exit_cb);
 	glfwSetScrollCallback(windowP, scroll_cb);
@@ -1569,6 +1572,15 @@ void ofAppGLFWWindow::char_cb(GLFWwindow * windowP_, uint32_t key) {
 	instance->events().charEvent.notify(key);
 }
 
+//------------------------------------------------------------
+void ofAppGLFWWindow::position_cb(GLFWwindow* windowP_, int x, int y){
+    ofAppGLFWWindow * instance = setCurrent(windowP_);
+    
+    x *= instance->pixelScreenCoordScale;
+    y *= instance->pixelScreenCoordScale;
+    instance->events().notifyWindowMoved(x,y);
+}
+
 //------------------------------------------------------------
 void ofAppGLFWWindow::refresh_cb(GLFWwindow * windowP_) {
 	ofAppGLFWWindow * instance = setCurrent(windowP_);

libs/openFrameworks/app/ofAppGLFWWindow.h

@@ -180,19 +180,20 @@ class ofAppGLFWWindow : public ofAppBaseGLWindow {
 #endif
 
 private:
-	static ofAppGLFWWindow * setCurrent(GLFWwindow * windowP);
-	static void mouse_cb(GLFWwindow * windowP_, int button, int state, int mods);
-	static void motion_cb(GLFWwindow * windowP_, double x, double y);
-	static void entry_cb(GLFWwindow * windowP_, int entered);
-	static void keyboard_cb(GLFWwindow * windowP_, int key, int scancode, int action, int mods);
-	static void char_cb(GLFWwindow * windowP_, uint32_t key);
-	static void resize_cb(GLFWwindow * windowP_, int w, int h);
-	static void framebuffer_size_cb(GLFWwindow * windowP_, int w, int h);
-	static void exit_cb(GLFWwindow * windowP_);
-	static void scroll_cb(GLFWwindow * windowP_, double x, double y);
-	static void drop_cb(GLFWwindow * windowP_, int numFiles, const char ** dropString);
-	static void error_cb(int errorCode, const char * errorDescription);
-	static void refresh_cb(GLFWwindow * windowP_);
+	static ofAppGLFWWindow * setCurrent(GLFWwindow* windowP);
+	static void 	mouse_cb(GLFWwindow* windowP_, int button, int state, int mods);
+	static void 	motion_cb(GLFWwindow* windowP_, double x, double y);
+	static void 	entry_cb(GLFWwindow* windowP_, int entered);
+	static void 	keyboard_cb(GLFWwindow* windowP_, int key, int scancode, int action, int mods);
+	static void 	char_cb(GLFWwindow* windowP_, uint32_t key);
+	static void 	resize_cb(GLFWwindow* windowP_, int w, int h);
+  static void   position_cb(GLFWwindow* windowP_, int x, int y);
+	static void 	framebuffer_size_cb(GLFWwindow* windowP_, int w, int h);
+	static void 	exit_cb(GLFWwindow* windowP_);
+	static void		scroll_cb(GLFWwindow* windowP_, double x, double y);
+	static void 	drop_cb(GLFWwindow* windowP_, int numFiles, const char** dropString);
+	static void		error_cb(int errorCode, const char* errorDescription);
+ 	static void   refresh_cb(GLFWwindow * windowP_);
 
 	void close();