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iteration before the views are updated.
A full scene update (scene.update()) already supported it because the
scene called update() on the views directly. However, partially scene
updates (scene.update(rect)) required two event-loop iterations
before the views were updated.
Auto-test included.
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Conflicts:
src/gui/graphicsview/qgraphicsitem_p.h
tests/auto/qgraphicsproxywidget/tst_qgraphicsproxywidget.cpp
tests/auto/qgraphicsview/tst_qgraphicsview.cpp
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This patch improves the graphics view support for input
methods in several ways:
* A new ItemAcceptsInputMethod flag is introduced to serve
the same purpose for graphics items as WA_InputMethodEnabled
does for widgets: Input method support can be controlled
individually for each item.
* The input method sensitivity of a view (i.e. the value of
the WA_InputMethodEnabled flag) is updated dynamically
whenever the input method support of the current focus
item may change.
* Input contexts are reset whenever an item that supports
input methods loses focus.
Reviewed-by: janarve
Task-number: 254492
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Merge-request: 787
Reviewed-by: Bjørn Erik Nilsen <bjorn.nilsen@nokia.com>
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qt-main/qgraphicssceneindex
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Reviewed-by: Trust Me
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Since now items() doesn't use the index then the growingboundingrect
is not updated if you call right after a delete. It's because the timer
is not yet fired (even the processEvent) so you call add, move, remove
which will trigger only one update index so the growingboundingrect will
never change.
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qt-main/qgraphicssceneindex
Painfull merge due to recent changes in QGV framework.
Conflicts:
src/gui/graphicsview/qgraphicsitem.cpp
src/gui/graphicsview/qgraphicsscene.cpp
src/gui/graphicsview/qgraphicsscene.h
src/gui/graphicsview/qgraphicsscene_p.h
src/gui/graphicsview/qgraphicsview.cpp
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Makes tst_QGraphicsScene::update happy.
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We have to keep the growingItemsBoundingRect up-to-date if there's no
scene rect. The only difference now is that sceneRectChanged will not
be emitted before entering the event-loop, but the documentation
only states it'll be emitted when the scene rect changes, so we
consider it harmless.
Makes tst_QGraphicsView::sceneRect_growing and
tst_QGrahicsScene::sceneRect happy.
Reviewed-by: Andreas
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This is work-in-progress, so don't expect everything to work perfectly.
Most of the auto-test pass and examples and demos seem to run fine.
Unfortunately I'm too tired to write about the actual update mehanism
now, but it's faster than the old approach (if that helps:)). There's
more to optimize, but I'll come back to that later. I need some sleep now :)
To be continued.
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Now the QGraphicsScene has no idea how works the index. So we can
improve it separatly, add new ones and benchmarks existing ones.
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On some platforms (e.g. Mac) it's not sufficient to call
processEvents() only once.
Reviewed-by: Andreas Aardal Hanssen
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Each version of Qt has its own set of autotests, therefore
preprocessor directives relating to obsolete QT_VERSION's
are not necessary.
Reviewed-by: Carlos Duclos
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Regression caused by optimizations in QGraphicsItem and QGraphicsScene.
The changes in QGraphicsItem fix bugs in QGraphicsItem::mapToParent
functions, which did the translation before applying the transformation,
instead of the other way (transform, then translate). This bug caused
almost all mapToParent and mapRectToParent functions to behave wrongly.
Unfortunately the new helper functions in QGraphicsScene for discovering
items made use of these functions, which introduced a regression. Fixing
these functions also fixes item discovery.
The other part of this change fixes a regression caused by c1909321,
which luckily happened after 4.5.0 and never saw the light of day. The
fix is to also invalidate the cached clip path even if there is no scene,
which is necessary if you build your scene graph outside the scene, and
finish off by adding the root item to the scene.
Task-number: 250680
Reviewed-by: Alexis
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