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Say why Qt::WA_PaintOnScreen is enabled.

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svn path=/trunk/KDE/kdebase/workspace/; revision=793650
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Luboš Luňák 2008-04-04 18:11:02 +00:00
parent 1da43a7993
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clients/PORTING
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@ -24,3 +24,6 @@ This document lists changed needed for porting KWin decoration clients from KDE3
- 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().