Makes sure updateScreen() is called once in a while in the menu polling loop, to give backends some drawing time for virtual keyboards etc

svn-id: r23169

1 files changed, 7 insertions, 0 deletions

diff --git a/engines/kyra/gui.cpp b/engines/kyra/gui.cpp
index 0e0d62d1ae..bb7e1d0b8a 100644
--- a/engines/kyra/gui.cpp
+++ b/engines/kyra/gui.cpp
@@ -806,6 +806,7 @@ void KyraEngine::calcCoords(Menu &menu) {
 
 void KyraEngine::gui_getInput() {
 	OSystem::Event event;
+	static uint32 lastScreenUpdate = 0;
 	uint32 now = _system->getMillis();
 
 	_mouseWheel = 0;
@@ -824,6 +825,7 @@ void KyraEngine::gui_getInput() {
 			_mouseX = event.mouse.x;
 			_mouseY = event.mouse.y;
 			_system->updateScreen();
+			lastScreenUpdate = now;
 			break;
 		case OSystem::EVENT_WHEELUP:
 			_mouseWheel = -1;
@@ -844,6 +846,11 @@ void KyraEngine::gui_getInput() {
 		}
 	}
 
+	if (now - lastScreenUpdate > 50) {
+		_system->updateScreen();
+		lastScreenUpdate = now;
+	}
+
 	if (!_keyboardEvent.pending && _keyboardEvent.repeat && now >= _keyboardEvent.repeat) {
 		_keyboardEvent.pending = true;
 		_keyboardEvent.repeat = now + 100;