Refinado el programa

main.cpp

@@ -12,9 +12,50 @@
 	exit(-1);\
 }
 
+// Callback cuando ocurre un error en GLFW
+void error_callback(int errno, const char *desc) {
+	std::cout << "GLFW error " << errno << ": " << desc << std::endl;
+}
+
+void window_refresh_callback(GLFWwindow *window) {
+	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+	glfwSwapBuffers(window);
+
+	std::cout << "Refresh callback called" << std::endl;
+}
+
+void framebuffer_size_callback(GLFWwindow *window, int width, int height) {
+	glViewport(0, 0, width, height);
+	std::cout << "Resize callback called. New size: " << width << ", " << height << std::endl;
+}
+
+void key_callback(GLFWwindow *window, int key, int scancode, int action, int mods) {
+	if (key == GLFW_KEY_ESCAPE && action == GLFW_PRESS) {
+		glfwSetWindowShouldClose(window, GLFW_TRUE);
+	}
+	std::cout << "Key callback called" << std::endl;
+}
+
+void mouse_button_callback(GLFWwindow *window, int button, int action, int mods) {
+	if (action == GLFW_PRESS) {
+		std::cout << "Pulsado el botón: mouse " << button << std::endl;
+	} else if (action == GLFW_RELEASE) {
+		std::cout << "Soltado el botón: mouse " << button << std::endl;
+	}
+}
+
+void scroll_callback(GLFWwindow *window, double xoffset, double yoffset) {
+	std::cout << "Movida la rueda del raton "
+		<< xoffset << " unidades en horizontal y "
+		<< yoffset << " unidades en vertical" << std::endl;
+}
+
 int main() {
 	std::cout << "Starting Application PAG - Prueba 01" << std::endl;
 
+	glfwSetErrorCallback((GLFWerrorfun) error_callback);
+
 	if (glfwInit() != GLFW_TRUE) {
 		panic("Failed to initialize GLFW");
 	}
@@ -45,6 +86,13 @@ int main() {
 	std::cout << glGetString(GL_VERSION) << std::endl;
 	std::cout << glGetString(GL_SHADING_LANGUAGE_VERSION) << std::endl;
 
+	glfwSetWindowRefreshCallback(window, window_refresh_callback);
+	glfwSetFramebufferSizeCallback(window, framebuffer_size_callback);
+	glfwSetKeyCallback(window, key_callback);
+	glfwSetMouseButtonCallback(window, mouse_button_callback);
+	glfwSetScrollCallback(window, scroll_callback);
+
+
 	glClearColor(0.6, 0.6, 0.6, 1.0);
 
 	glEnable(GL_DEPTH_TEST);