From b5fa752b78c63bedcb53d38fb11244b7e99f9941 Mon Sep 17 00:00:00 2001
From: Sven Hesse
Date: Thu, 28 Jun 2012 17:37:58 +0200
Subject: GOB: Keep the mouse responsive while waiting for the frame to end

---
 engines/gob/minigames/geisha/penetration.cpp |  2 +-
 engines/gob/util.cpp                         | 20 ++++++++++++++------
 engines/gob/util.h                           |  2 +-
 3 files changed, 16 insertions(+), 8 deletions(-)

diff --git a/engines/gob/minigames/geisha/penetration.cpp b/engines/gob/minigames/geisha/penetration.cpp
index 3be9f1f651..05695e5dbb 100644
--- a/engines/gob/minigames/geisha/penetration.cpp
+++ b/engines/gob/minigames/geisha/penetration.cpp
@@ -505,7 +505,7 @@ bool Penetration::play(bool hasAccessPass, bool hasMaxEnergy, bool testMode) {
 		// Draw, fade in if necessary and wait for the end of the frame
 		_vm->_draw->blitInvalidated();
 		fadeIn();
-		_vm->_util->waitEndFrame();
+		_vm->_util->waitEndFrame(false);
 
 		// Handle the input
 		checkInput();
diff --git a/engines/gob/util.cpp b/engines/gob/util.cpp
index 64dfcf9b12..5d6ae78872 100644
--- a/engines/gob/util.cpp
+++ b/engines/gob/util.cpp
@@ -367,21 +367,29 @@ void Util::notifyNewAnim() {
 	_startFrameTime = getTimeKey();
 }
 
-void Util::waitEndFrame() {
+void Util::waitEndFrame(bool handleInput) {
 	int32 time;
 
-	_vm->_video->waitRetrace();
-
 	time = getTimeKey() - _startFrameTime;
 	if ((time > 1000) || (time < 0)) {
+		_vm->_video->retrace();
 		_startFrameTime = getTimeKey();
 		return;
 	}
 
-	int32 toWait = _frameWaitTime - time;
+	int32 toWait = 0;
+	do {
+		if (toWait > 0)
+			delay(MIN<int>(toWait, 10));
+
+		if (handleInput)
+			processInput();
+
+		_vm->_video->retrace();
 
-	if (toWait > 0)
-		delay(toWait);
+		time   = getTimeKey() - _startFrameTime;
+		toWait = _frameWaitTime - time;
+	} while (toWait > 0);
 
 	_startFrameTime = getTimeKey();
 }
diff --git a/engines/gob/util.h b/engines/gob/util.h
index b26a78ab2c..30bff72325 100644
--- a/engines/gob/util.h
+++ b/engines/gob/util.h
@@ -124,7 +124,7 @@ public:
 	int16 getFrameRate();
 	void setFrameRate(int16 rate);
 	void notifyNewAnim();
-	void waitEndFrame();
+	void waitEndFrame(bool handleInput = true);
 	void setScrollOffset(int16 x = -1, int16 y = -1);
 
 	static void insertStr(const char *str1, char *str2, int16 pos);
-- 
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