Don't have pauseTrigger as an output parameter from ControlMapper::Key()

UI/EmuScreen.cpp

@@ -1189,7 +1189,7 @@ bool EmuScreen::UnsyncKey(const KeyInput &key) {
 				if (mappingFound) {
 					for (auto b : pspButtons) {
 						if (b == VIRTKEY_TOGGLE_DEBUGGER || b == VIRTKEY_PAUSE) {
-							return g_controlMapper.Key(key, &pauseTrigger_);
+							return g_controlMapper.Key(key);
 						}
 					}
 				}
@@ -1199,28 +1199,28 @@ bool EmuScreen::UnsyncKey(const KeyInput &key) {
 			switch (key.deviceId) {
 			case DEVICE_ID_KEYBOARD:
 				if (!ImGui::GetIO().WantCaptureKeyboard) {
-					g_controlMapper.Key(key, &pauseTrigger_);
+					g_controlMapper.Key(key);
 				}
 				break;
 			case DEVICE_ID_MOUSE:
 				if (!ImGui::GetIO().WantCaptureMouse) {
-					g_controlMapper.Key(key, &pauseTrigger_);
+					g_controlMapper.Key(key);
 				}
 				break;
 			default:
-				g_controlMapper.Key(key, &pauseTrigger_);
+				g_controlMapper.Key(key);
 				break;
 			}
 		} else {
 			// Let up-events through to the controlMapper_ so input doesn't get stuck.
 			if (key.flags & KeyInputFlags::UP) {
-				g_controlMapper.Key(key, &pauseTrigger_);
+				g_controlMapper.Key(key);
 			}
 		}
 
 		return UIScreen::UnsyncKey(key);
 	}
-	return g_controlMapper.Key(key, &pauseTrigger_);
+	return g_controlMapper.Key(key);
 }
 
 void EmuScreen::UnsyncAxis(const AxisInput *axes, size_t count) {
@@ -1525,6 +1525,10 @@ void EmuScreen::update() {
 		return;
 	}
 
+	if (g_controlMapper.PollPauseTrigger()) {
+		pauseTrigger_ = true;
+	}
+
 	if (pauseTrigger_) {
 		pauseTrigger_ = false;
 		screenManager()->push(new GamePauseScreen(gamePath_, bootPending_));