Timeout waitEvents to ensure GUI refresh

applications/gui2/src/main.cpp

@@ -106,7 +106,7 @@ void FTLGui::mainloop() {
 	screen_->setVisible(true);
 	screen_->drawAll();
 
-	float last_draw_time = 0.0f;
+	//float last_draw_time = 0.0f;
 
 	while (ftl::running) {
 		if (!screen_->visible()) {
@@ -117,7 +117,7 @@ void FTLGui::mainloop() {
 			ftl::running = false;
 		}
 		else {
-			float now = float(glfwGetTime());
+			//float now = float(glfwGetTime());
 			//float delta = now - last_draw_time;
 
 			// Generate poses and render and virtual frame here
@@ -128,13 +128,13 @@ void FTLGui::mainloop() {
 
 			// Only draw the GUI at 25fps
 			//if (delta >= 0.04f) {
-				last_draw_time = now;
+			//	last_draw_time = now;
 				screen_->drawAll();
 			//}
 		}
 
 		// Wait for mouse/keyboard or empty refresh events
-		glfwWaitEvents(); // VR headest issues
+		glfwWaitEventsTimeout(0.02); // VR headest issues
 		//glfwPollEvents();
 	}