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Christian Ehrlicher 8de62d3432 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>
2020-03-28 09:03:18 +01:00
bin CMake: Provide script to configure and build one or more tests 2020-03-23 09:54:48 +01:00
cmake CMake: Fix pkgconfig calls when cross-compiling 2020-03-26 12:46:16 +01:00
coin CMake: Pass --verbose flag to ninja 2020-03-13 19:14:59 +01:00
config.tests CMake: Port the 'separate_debug_info' feature 2020-03-06 13:38:37 +01:00
dist Add 5.14.0 changelog entry about MinGW 2020-02-18 18:34:50 +01:00
doc Merge remote-tracking branch 'origin/5.15' into dev 2020-03-04 14:39:18 +00:00
examples Re-generate various CMake projects and configure after merge 2020-03-16 20:43:56 +01:00
lib Purge all fonts 2015-08-18 19:59:14 +00:00
mkspecs qmake: Silence GL deprecations on macOS 2020-03-27 09:00:11 +00:00
qmake Re-generate various CMake projects and configure after merge 2020-03-16 20:43:56 +01:00
src QAbstractItemView::dataChanged(): optimize call to QWidget::update() 2020-03-28 09:03:18 +01:00
tests QAbstractItemView::dataChanged(): optimize call to QWidget::update() 2020-03-28 09:03:18 +01:00
util Move qsimd* from corelib/tools to corelib/global 2020-03-26 09:15:32 +01:00
.gitattributes Update the git-archive export options 2012-09-07 15:39:31 +02:00
.gitignore Merge remote-tracking branch 'origin/wip/qt6' into wip/cmake 2019-07-11 17:17:51 +02:00
.qmake.conf Bump version 2020-02-02 13:41:14 +01:00
.tag Update the git-archive export options 2012-09-07 15:39:31 +02:00
CMakeLists.txt CMake: Fix pkgconfig calls when cross-compiling 2020-03-26 12:46:16 +01:00
config_help.txt Merge remote-tracking branch 'origin/5.15' into dev 2020-02-26 18:39:21 +01:00
configure Use C++17 for qmake and force the build of everything with C++17 2020-02-08 09:49:07 +01:00
configure.bat Don't compile qmake in c++11 mode 2020-02-03 17:43:30 +01:00
configure.cmake CMake: Add support for bundled SQLite library 2020-03-25 13:52:05 +01:00
configure.json CMake: Port the 'separate_debug_info' feature 2020-03-06 13:38:37 +01:00
configure.pri Android: Increase minimum API level to Android-23 / Android 6 2020-03-04 08:28:04 +01:00
dependencies.yaml Re-add dependencies.yaml so repos outside qt5 can be built with Coin 2019-09-19 17:07:36 +00:00
header.BSD Use placeholder for year in header.* files 2018-04-16 11:02:22 +00:00
header.COMM Use placeholder for year in header.* files 2018-04-16 11:02:22 +00:00
header.FDL Use placeholder for year in header.* files 2018-04-16 11:02:22 +00:00
header.GPL Use placeholder for year in header.* files 2018-04-16 11:02:22 +00:00
header.GPL-EXCEPT Use placeholder for year in header.* files 2018-04-16 11:02:22 +00:00
header.LGPL Use placeholder for year in header.* files 2018-04-16 11:02:22 +00:00
header.LGPL3 Use placeholder for year in header.* files 2018-04-16 11:02:22 +00:00
header.LGPL3-COMM Use placeholder for year in header.* files 2018-04-16 11:02:22 +00:00
header.LGPL-NOGPL2 Use placeholder for year in header.* files 2018-04-16 11:02:22 +00:00
header.LGPL-ONLY Use placeholder for year in header.* files 2018-04-16 11:02:22 +00:00
header.MIT qsimd: add support for new x86 CPU features 2018-05-05 06:20:07 +00:00
INSTALL INSTALL: Remove outdated reference to Windows CE 2019-02-13 13:01:57 +00:00
LICENSE.FDL
LICENSE.GPL2 Add new license header templates and license files 2016-01-14 20:43:46 +00:00
LICENSE.GPL3 Add new license header templates and license files 2016-01-14 20:43:46 +00:00
LICENSE.GPL3-EXCEPT Add new license header templates and license files 2016-01-14 20:43:46 +00:00
LICENSE.LGPL3 Add new license header templates and license files 2016-01-14 20:43:46 +00:00
LICENSE.LGPLv3 Remove LICENSE.GPLv3, LICENSE.LGPLv21, LGPL_EXCEPTION.txt 2018-04-16 11:02:14 +00:00
LICENSE.QT-LICENSE-AGREEMENT Update enterprise license agreement v4.2.1 2019-12-18 13:07:19 +02:00
qtbase.pro nuke configure -host-option 2016-12-13 18:55:59 +00:00
sync.profile Move QOpenGLWidget from QtOpenGL to its own module 2020-02-18 09:22:51 +01:00