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Prevent KWin from automatically disabling compositing when the user
changes the system time or timezone.
CCBUG: 184607

svn path=/branches/KDE/4.3/kdebase/workspace/; revision=986966
This commit is contained in:
Lucas Murray 2009-06-25 10:13:43 +00:00
parent 00426a67ff
commit 80dcebfdb2
1 changed files with 7 additions and 0 deletions
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7
composite.cpp
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@ -493,6 +493,13 @@ void Workspace::checkCompositePaintTime( int msec )
{ {
if( options->disableCompositingChecks ) if( options->disableCompositingChecks )
return; return;
// Sanity check. QTime uses the system clock so if the user changes the time or
// timezone our timer will return undefined results. Ideally we would use a system
// clock independent timer but I am uncertain if Qt provides a nice wrapper for
// one or not. As it's unlikely for a single paint to take 15 seconds it seems
// like a good upper bound.
if( msec < 0 || msec > 15000 )
return;
composite_paint_times.prepend( msec ); composite_paint_times.prepend( msec );
bool tooslow = false; bool tooslow = false;
// If last 3 paints were way too slow, disable and warn. // If last 3 paints were way too slow, disable and warn.