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List:       kde-commits
Subject:    KDE/kdebase/workspace/kwin/clients
From:       Luboš Luňák <l.lunak () kde ! org>
Date:       2008-04-04 18:11:07
Message-ID: 1207332667.337008.11456.nullmailer () svn ! kde ! org
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SVN commit 793650 by lunakl:

Say why Qt::WA_PaintOnScreen is enabled.



 M  +3 -0      PORTING  


--- trunk/KDE/kdebase/workspace/kwin/clients/PORTING #793649:793650
@@ -24,3 +24,6 @@
 - KDecoration::animateMinimize() and KDecoration::helperShowHide() have been removed,
     animations are now implemented only by KWin's compositing code
 - there are new AbilityColor* abilities you should add to supports()
+- Qt::WA_PaintOnScreen attribute is enabled for KDecoration::widget() in order to avoid
+    extensive and unnecessary memory usage caused by the backing store. Double-buffer
+    manually if necessary using a temporary QPixmap in paintEvent().
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