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| author | Yoann Lopes <yoann.lopes@nokia.com> | 2010-03-25 13:27:56 (GMT) |
|---|---|---|
| committer | Yoann Lopes <yoann.lopes@nokia.com> | 2010-03-25 13:33:11 (GMT) |
| commit | 96ac1964b827ef01ef2edb6411ecb7540ed76ce2 (patch) | |
| tree | 775fadd51dbb921fab0f654ed5ab73cd9d4058f0 /src/gui/graphicsview/qgraphicsitem.cpp | |
| parent | c84d5afab9b61ae3f955de48a75c8dfd26528a36 (diff) | |
| download | Qt-96ac1964b827ef01ef2edb6411ecb7540ed76ce2.zip Qt-96ac1964b827ef01ef2edb6411ecb7540ed76ce2.tar.gz Qt-96ac1964b827ef01ef2edb6411ecb7540ed76ce2.tar.bz2 | |
Prevents a useless repaint with QGraphicsItem cache mode.
No repaint is triggered anymore when setting the cache mode to
DeviceCoordinateMode when already using that mode.
Also added an autotest for checking repaints when setting cache modes.
Task-number: QTBUG-9391
Reviewed-by: ahanssen
Diffstat (limited to 'src/gui/graphicsview/qgraphicsitem.cpp')
| -rw-r--r-- | src/gui/graphicsview/qgraphicsitem.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/gui/graphicsview/qgraphicsitem.cpp b/src/gui/graphicsview/qgraphicsitem.cpp index f110a5c..1b707b0 100644 --- a/src/gui/graphicsview/qgraphicsitem.cpp +++ b/src/gui/graphicsview/qgraphicsitem.cpp @@ -1883,7 +1883,8 @@ void QGraphicsItem::setCacheMode(CacheMode mode, const QSize &logicalCacheSize) d_ptr->cacheMode = mode; bool noVisualChange = (mode == NoCache && lastMode == NoCache) || (mode == NoCache && lastMode == DeviceCoordinateCache) - || (mode == DeviceCoordinateCache && lastMode == NoCache); + || (mode == DeviceCoordinateCache && lastMode == NoCache) + || (mode == DeviceCoordinateCache && lastMode == DeviceCoordinateCache); if (mode == NoCache) { d_ptr->removeExtraItemCache(); } else { |