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| author | Christian Ehrlicher <ch.ehrlicher@gmx.de> | 2019-12-23 15:44:48 +0100 |
|---|---|---|
| committer | Christian Ehrlicher <ch.ehrlicher@gmx.de> | 2020-03-28 09:03:18 +0100 |
| commit | 8de62d34321cd827e60b0a7b6e7434070de301ae (patch) | |
| tree | 048f18f000b6d9235057d800e5f3d79be35a5570 /tests/auto/widgets/itemviews/qabstractitemview/qabstractitemview.pro | |
| parent | b8be5b4002bd6163851bbae397171ebbf632f02f (diff) | |
QAbstractItemView::dataChanged(): optimize call to QWidget::update()
When topLeft and bottomRight are different in QAIV::dataChanged(), the
current implementation simply calls QWidget::update() without checking
if the affected cells are visible. This results in a big performance hit
when cells are updated frequently.
Now try to compute the exact update rect by iterating through the
modified indexes.
Fixes: QTBUG-58580
Change-Id: I97de567d494e40ed8cdb1ea1f5b3cf3a2f60455e
Reviewed-by: Samuel Gaist <samuel.gaist@idiap.ch>
Diffstat (limited to 'tests/auto/widgets/itemviews/qabstractitemview/qabstractitemview.pro')
| -rw-r--r-- | tests/auto/widgets/itemviews/qabstractitemview/qabstractitemview.pro | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/tests/auto/widgets/itemviews/qabstractitemview/qabstractitemview.pro b/tests/auto/widgets/itemviews/qabstractitemview/qabstractitemview.pro index 809a996324..b9091a134e 100644 --- a/tests/auto/widgets/itemviews/qabstractitemview/qabstractitemview.pro +++ b/tests/auto/widgets/itemviews/qabstractitemview/qabstractitemview.pro @@ -1,4 +1,4 @@ CONFIG += testcase TARGET = tst_qabstractitemview -QT += widgets testlib testlib-private gui-private +QT += widgets testlib testlib-private gui-private widgets-private SOURCES += tst_qabstractitemview.cpp |