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Sergio Martins c082d84d5d Fix QLabel crash if buddy's lifetime is too short 
If buddy is deleted then QLabel will still try to deliver the
shortcut event to it, in QLabel::event(), and cras.

Besides connecting to destroyed() which alone fixes the crash,
also hardened it and guarded against dereferencing null buddy,
in the unlikely event of someone adding features to QLabel.

The second part is suitable for backporting to the LTS branches.

Task-Id: QTBUG-66841
Change-Id: Ib6a36a9f99cee31afe1f88eb77f5b6cafb8b1086
Reviewed-by: Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com>
2018-03-08 22:36:49 +00:00
bin syncqt: remove 'descend' parameter from findFiles() 2018-02-28 18:15:56 +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/5.9' into 5.11 2018-02-14 12:51:24 +01:00
doc Doc: complete Border Layout Example 2018-02-19 12:28:46 +00:00
examples Doc: Update example Embedded Dialogs 2018-03-05 14:52:27 +00:00
lib
mkspecs Apple: resolve SDK version of QMAKE_LINK_C and QMAKE_LINK_C_SHLIB 2018-03-07 18:12:11 +00:00
qmake Merge remote-tracking branch 'origin/5.9' into 5.11 2018-02-14 12:51:24 +01:00
src Fix QLabel crash if buddy's lifetime is too short 2018-03-08 22:36:49 +00:00
tests Fix QLabel crash if buddy's lifetime is too short 2018-03-08 22:36:49 +00:00
util QtEdidSupport: Fix private headers 2018-02-02 07:21:49 +00:00
.gitattributes
.gitignore gitignore: don't ignore Info.plist templates for libraries 2017-11-23 07:07:48 +00:00
.qmake.conf Bump version 2018-02-08 17:07:19 +01:00
.tag
config_help.txt xcb: re-factor QXcbKeyboard::updateKeymap() to remove various fallbacks 2018-02-24 12:15:08 +00:00
configure Remove references to obsolete platforms 2017-11-05 06:33:53 +00:00
configure.bat configure: Prefer cl.exe over clang-cl.exe 2018-01-04 21:22:42 +00:00
configure.json configure: introduce 'subarch' term to expression evaluator 2018-02-22 21:39:36 +00:00
configure.pri configure: introduce 'subarch' term to expression evaluator 2018-02-22 21:39:36 +00:00
header.BSD
header.COMM
header.FDL
header.GPL
header.GPL-EXCEPT
header.LGPL
header.LGPL3
header.LGPL3-COMM
header.LGPL-NOGPL2
header.LGPL-ONLY
INSTALL
LGPL_EXCEPTION.txt
LICENSE.FDL
LICENSE.GPL2
LICENSE.GPL3
LICENSE.GPL3-EXCEPT
LICENSE.GPLv3 Expand license scope from "Qt GUI Toolkit" to "Qt Toolkit" 2016-06-15 07:02:32 +00:00
LICENSE.LGPL3
LICENSE.LGPLv3 Expand license scope from "Qt GUI Toolkit" to "Qt Toolkit" 2016-06-15 07:02:32 +00:00
LICENSE.LGPLv21 Expand license scope from "Qt GUI Toolkit" to "Qt Toolkit" 2016-06-15 07:02:32 +00:00
LICENSE.PREVIEW.COMMERCIAL
qtbase.pro nuke configure -host-option 2016-12-13 18:55:59 +00:00
sync.profile Add support for Windows UI Automation 2017-11-14 23:31:04 +00:00