Allow settings to be activated when an app or PC is in focus

app/gui/main.qml

@@ -47,6 +47,13 @@ ApplicationWindow {
         Keys.onMenuPressed: {
             settingsButton.clicked()
         }
+
+        // This is a keypress we've reserved for letting the
+        // SdlGamepadKeyNavigation object tell us to show settings
+        // when Menu is consumed by a focused control.
+        Keys.onHangupPressed: {
+            settingsButton.clicked()
+        }
     }
 
     onVisibilityChanged: {

app/gui/sdlgamepadkeynavigation.cpp

@@ -142,9 +142,14 @@ void SdlGamepadKeyNavigation::onPollingTimerFired()
                 sendKey(type, Qt::Key_Escape);
                 break;
             case SDL_CONTROLLER_BUTTON_X:
+                sendKey(type, Qt::Key_Menu);
+                break;
             case SDL_CONTROLLER_BUTTON_Y:
             case SDL_CONTROLLER_BUTTON_START:
-                sendKey(type, Qt::Key_Menu);
+                // HACK: We use this keycode to inform main.qml
+                // to show the settings when Key_Menu is handled
+                // by the control in focus.
+                sendKey(type, Qt::Key_Hangup);
                 break;
             default:
                 break;