Updated iconification test to use callbacks.

tests/iconify.c

@@ -70,16 +70,29 @@ static void key_callback(GLFWwindow window, int key, int action)
 
 static void window_size_callback(GLFWwindow window, int width, int height)
 {
-    printf("%0.2f Size %ix%i\n", glfwGetTime(), width, height);
+    printf("%0.2f Window resized to %ix%i\n", glfwGetTime(), width, height);
 
     glViewport(0, 0, width, height);
 }
 
+static void window_focus_callback(GLFWwindow window, int activated)
+{
+    printf("%0.2f Window %s\n",
+           glfwGetTime(),
+           activated ? "activated" : "deactivated");
+}
+
+static void window_iconify_callback(GLFWwindow window, int iconified)
+{
+    printf("%0.2f Window %s\n",
+           glfwGetTime(),
+           iconified ? "iconified" : "restored");
+}
+
 int main(int argc, char** argv)
 {
     int width, height, ch;
     int mode = GLFW_WINDOWED;
-    GLboolean active = -1, iconified = -1;
     GLFWwindow window;
 
     while ((ch = getopt(argc, argv, "fh")) != -1)
@@ -134,23 +147,17 @@ int main(int argc, char** argv)
     glfwSetKeyCallback(key_callback);
     glfwSetWindowSizeCallback(window_size_callback);
     glfwSetWindowCloseCallback(window_close_callback);
+    glfwSetWindowFocusCallback(window_focus_callback);
+    glfwSetWindowIconifyCallback(window_iconify_callback);
+
+    printf("Window is %s and %s\n",
+           glfwGetWindowParam(window, GLFW_ICONIFIED) ? "iconified" : "restored",
+           glfwGetWindowParam(window, GLFW_ACTIVE) ? "active" : "inactive");
 
     glEnable(GL_SCISSOR_TEST);
 
     while (!closed)
     {
-        if (iconified != glfwGetWindowParam(window, GLFW_ICONIFIED) ||
-            active != glfwGetWindowParam(window, GLFW_ACTIVE))
-        {
-            iconified = glfwGetWindowParam(window, GLFW_ICONIFIED);
-            active = glfwGetWindowParam(window, GLFW_ACTIVE);
-
-            printf("%0.2f %s %s\n",
-                   glfwGetTime(),
-                   iconified ? "Iconified" : "Restored",
-                   active ? "Active" : "Inactive");
-        }
-
         glfwGetWindowSize(window, &width, &height);
 
         glScissor(0, 0, width, height);