Merge pull request #13 from MonashDeepNeuron/fix_input_delay_(some_ma…

…chines)

Fix input delay (some machines)

headers/gui.hpp

@@ -44,35 +44,28 @@ class gui {
 
     auto check_event() -> sf::Event
     {
-        sf::Event event {};
-
-        if (!window.isOpen() || !window.pollEvent(event)) {
-            // Return an empty event if the window is closed or
-            // there are no more events
-            return sf::Event();
-        }
-
-        // not part of event manager since it deals with
-        // the window, not the fluids.
-        if (event.type == sf::Event::Closed) {
-            window.close();
-        }
+        sf::Event event;
+        while (window.pollEvent(event)) { // while there are events in the queue
+            // Handle the event
+            if (event.type == sf::Event::Closed) {
+                window.close();
+            }
 
-        if (event.type == sf::Event::KeyPressed && event.key.code == sf::Keyboard::C) {
-            // Toggle to the next draw type
-            switch (current_draw_type) {
-            case draw_type::GREY:
-                current_draw_type = draw_type::HSV;
-                break;
-            case draw_type::HSV:
-                current_draw_type = draw_type::VEL;
-                break;
-            case draw_type::VEL:
-                current_draw_type = draw_type::GREY;
-                break;
+            if (event.type == sf::Event::KeyPressed && event.key.code == sf::Keyboard::C) {
+                // Toggle to the next draw type
+                switch (current_draw_type) {
+                case draw_type::GREY:
+                    current_draw_type = draw_type::HSV;
+                    break;
+                case draw_type::HSV:
+                    current_draw_type = draw_type::VEL;
+                    break;
+                case draw_type::VEL:
+                    current_draw_type = draw_type::GREY;
+                    break;
+                }
             }
         }
-
         return event;
     }
     auto update_display(std::array<float, BUFFER_SIZE>& data) -> void

src/main.cpp

@@ -41,7 +41,7 @@ auto main() -> int
     while (fluid_gui.is_open()) {
 
         // Check for events and handle them
-        [[maybe_unused]] auto event = fluid_gui.check_event();
+        fluid_gui.check_event();
 
         // event_mouse_click = my_event_manager.handle_event(event);
         event_mouse_click = my_event_manager.check_left_mouse_button();