X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;ds=sidebyside;f=source%2Fgraphics%2Fdisplay.cpp;h=f40e02e572f6f7965d17e2a2fcadaf8173a00fa7;hb=43d31e73c4b97a37017757232c4ef1db355fee3a;hp=ebf14ea489c9d1befa6c8efd192a12806d5833d6;hpb=a8a9191481151f049781b670ea8883025a594a5f;p=libs%2Fgui.git

diff --git a/source/graphics/display.cpp b/source/graphics/display.cpp
index ebf14ea..f40e02e 100644
--- a/source/graphics/display.cpp
+++ b/source/graphics/display.cpp
@@ -32,35 +32,42 @@ const VideoMode &Display::get_desktop_mode() const
 
 void Display::restore_mode()
 {
-	for(list<Monitor>::const_iterator i=monitors.begin(); i!=monitors.end(); ++i)
-		if(i->desktop_settings.mode)
-			set_mode(*i->desktop_settings.mode, false);
+	for(const Monitor &m: monitors)
+		if(m.desktop_settings.mode)
+			set_mode(*m.desktop_settings.mode, false);
 }
 
 const VideoMode *Display::find_mode(const VideoMode &mode, float rate_tolerance) const
 {
 	const VideoMode *closest = 0;
-	float rate_diff = mode.rate;
-	for(list<VideoMode>::const_iterator i=modes.begin(); i!=modes.end(); ++i)
+	float rate_diff = 0.0f;
+
+	float target_rate = mode.rate;
+	if(!target_rate && mode.monitor)
+		if(const VideoMode *current_mode = mode.monitor->current_settings.mode)
+			target_rate = current_mode->rate;
+
+	for(const VideoMode &m: modes)
 	{
-		if(mode.monitor && i->monitor!=mode.monitor)
+		if(mode.monitor && m.monitor!=mode.monitor)
 			continue;
-		if(mode.rate && (i->rate<mode.rate-rate_tolerance || i->rate>mode.rate+rate_tolerance))
+		// Only check rate tolerance against an explicitly requested rate
+		if(mode.rate && (m.rate<mode.rate-rate_tolerance || m.rate>mode.rate+rate_tolerance))
 			continue;
-		if(i->width!=mode.width || i->height!=mode.height)
+		if(m.width!=mode.width || m.height!=mode.height)
 			continue;
 
-		if(mode.rate)
+		float ref_rate = target_rate;
+		if(!ref_rate)
+			if(const VideoMode *current_mode = m.monitor->current_settings.mode)
+				ref_rate = current_mode->rate;
+
+		float d = abs(m.rate-ref_rate);
+		if(!closest || d<rate_diff)
 		{
-			float d = abs(i->rate-mode.rate);
-			if(d<rate_diff)
-			{
-				closest = &*i;
-				rate_diff = d;
-			}
+			closest = &m;
+			rate_diff = d;
 		}
-		else
-			return &*i;
 	}
 
 	return closest;