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Erik Verbruggen 74be42ca59 ItemModels: Cache last-known child index 
Instead of caching the last index of a search for a child item, cache
the index of the child in the child item. When the item model is not
changed, the index is valid. Otherwise, the index can only change when
items get inserted or removed before the child. So in that case, start
searching in the vicinity of the previously known index.

As an example: a selectAll() on the view will always hit the cached
index, so no search is performed for any item in the model/view.

Task-number: QTBUG-61368
Change-Id: I85d085299987237fae23451d9e8bbb6060464ef2
Reviewed-by: David Faure <david.faure@kdab.com>
2018-06-27 10:01:07 +00:00
bin syncqt: make it possible to declare particular headers being private 2018-06-25 09:48:37 +00:00
config.tests Merge remote-tracking branch 'origin/5.9' into 5.11 2018-02-14 12:51:24 +01:00
dist Merge remote-tracking branch 'origin/5.11.1' into 5.11 2018-06-19 13:12:48 +02:00
doc Doc: Update br tag in html footer for XHTML compliance 2018-06-22 15:52:40 +00:00
examples Doc: Add Hello GLES3 example 2018-06-26 07:58:39 +00:00
lib Purge all fonts 2015-08-18 19:59:14 +00:00
mkspecs wayland-scanner.prf: Remove special-casing for generated headers 2018-06-26 12:30:43 +00:00
qmake qmake: escape colons and hashmarks in dependency paths 2018-06-25 13:35:20 +00:00
src ItemModels: Cache last-known child index 2018-06-27 10:01:07 +00:00
tests Android: tst_qtimezone: Blacklist a bunch 2018-06-27 07:52:26 +00:00
util QtEdidSupport: Fix private headers 2018-02-02 07:21:49 +00:00
.gitattributes Update the git-archive export options 2012-09-07 15:39:31 +02:00
.gitignore gitignore: don't ignore Info.plist templates for libraries 2017-11-23 07:07:48 +00:00
.qmake.conf Bump version 2018-06-01 10:37:15 +00:00
.tag Update the git-archive export options 2012-09-07 15:39:31 +02:00
config_help.txt configure: mention -libudev in help output 2018-04-20 10:38:03 +00:00
configure configure: Detect Cocoa instead of Carbon 2018-04-05 21:04:22 +00:00
configure.bat configure: Prefer cl.exe over clang-cl.exe 2018-01-04 21:22:42 +00:00
configure.json configure: don't emit empty GCC_MACHINE_DUMP to qdevice.pri 2018-04-25 18:53:33 +00:00
configure.pri Replace commercial preview license with Qt License Agreement 4.0 2018-06-21 11:39:15 +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
INSTALL Doc: Update links in INSTALL file 2015-02-16 09:06:41 +00:00
LGPL_EXCEPTION.txt Update copyright headers 2015-02-11 06:49:51 +00:00
LICENSE.FDL Initial import from the monolithic Qt. 2011-04-27 12:05:43 +02:00
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-4.0 Replace commercial preview license with Qt License Agreement 4.0 2018-06-21 11:39:15 +00:00
qtbase.pro nuke configure -host-option 2016-12-13 18:55:59 +00:00
sync.profile Testlib: Rename qtest_global.h to qttestglobal.h 2018-03-21 10:31:01 +00:00