[kexi] [Bug 354665] New: Inline editing+Cut+Undo+Undo leads to crash

[Jarosław Staniek via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=354665

            Bug ID: 354665
           Summary: Inline editing+Cut+Undo+Undo leads to crash
           Product: kexi
           Version: 2.9.8
          Platform: Ubuntu Packages
                OS: Linux
            Status: UNCONFIRMED
          Severity: crash
          Priority: NOR
         Component: Forms
          Assignee: kexi-bugs at kde.org
          Reporter: staniek at kde.org
                CC: adam at piggz.co.uk, bulldog98 at freenet.de,
                    inksi at fables.co.za

Similar to Bug #288589.
Inline editing of a form widget+Cut+Undo+Undo leads to crash.

This is because InlineTextEditingCommand keeps the pointer to widget instead of
its name. First Undo recreated the widget instance, second Undo did not have
access to the original widget's object. 

#4  0x00007f3668044f96 in KexiDBFactory::changeInlineText(KFormDesigner::Form*,
QWidget*, QString const&, QString&) (this=0x23f2a40, form=0x2ae0500,
widget=0x0, text=..., oldText=...) at
calligra-2.9/kexi/plugins/forms/kexidbfactory.cpp:858
#5  0x00007f364e665403 in KFormDesigner::InlineTextEditingCommand::undo()
(this=0x2b1b1b0) at calligra-2.9/kexi/formeditor/commands.cpp:1732
#6  0x00007f36807d9142 in KUndo2Command::undoMergedCommands() (this=0x2b1b1b0)
at calligra-2.9/libs/kundo2/kundo2stack.cpp:375
#7  0x00007f36807da8b9 in KUndo2QStack::undo() (this=0x2ae0d98) at
calligra-2.9/libs/kundo2/kundo2stack.cpp:900
#8  0x00007f364e62e75e in KFormDesigner::Form::undo() (this=0x2ae0500) at
calligra-2.9/kexi/formeditor/form.cpp:1368
#9  0x00007f364e637057 in KFormDesigner::Form::qt_static_metacall(QObject*,
QMetaObject::Call, int, void**) (_o=0x2ae0500,
_c=QMetaObject::InvokeMetaMethod, _id=22, _a=0x7ffe3f54a900) at
build/calligra-2.9/kexi/formeditor/form.moc:180
#10 0x00007f367d0851fa in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**) () at /usr/lib64/libQtCore.so.4
#11 0x00007f367d808622 in QAction::triggered(bool) () at
/usr/lib64/libQtGui.so.4
#12 0x00007f367d809fd3 in QAction::activate(QAction::ActionEvent) () at
/usr/lib64/libQtGui.so.4
#13 0x00007f367d0851fa in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**) () at /usr/lib64/libQtCore.so.4
#14 0x00007f367de57bb2 in QAbstractButton::clicked(bool) () at
/usr/lib64/libQtGui.so.4
#15 0x00007f367dbbafe3 in  () at /usr/lib64/libQtGui.so.4
#16 0x00007f367dbbc153 in  () at /usr/lib64/libQtGui.so.4
#17 0x00007f367dbbc23c in QAbstractButton::mouseReleaseEvent(QMouseEvent*) ()
at /usr/lib64/libQtGui.so.4
#18 0x00007f367dc7316a in QToolButton::mouseReleaseEvent(QMouseEvent*) () at
/usr/lib64/libQtGui.so.4
#19 0x00007f367d85dc0a in QWidget::event(QEvent*) () at
/usr/lib64/libQtGui.so.4
#20 0x00007f367d80e76c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib64/libQtGui.so.4
#21 0x00007f367d814dea in QApplication::notify(QObject*, QEvent*) () at
/usr/lib64/libQtGui.so.4
#22 0x00007f367ef79e0a in KApplication::notify(QObject*, QEvent*) () at
/usr/lib64/libkdeui.so.5
#23 0x00007f367d0712ad in QCoreApplication::notifyInternal(QObject*, QEvent*)
() at /usr/lib64/libQtCore.so.4
#24 0x00007f367d8145e3 in QApplicationPrivate::sendMouseEvent(QWidget*,
QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () at
/usr/lib64/libQtGui.so.4
#25 0x00007f367d885c9b in  () at /usr/lib64/libQtGui.so.4
#26 0x00007f367d88470c in QApplication::x11ProcessEvent(_XEvent*) () at
/usr/lib64/libQtGui.so.4
#27 0x00007f367d8ab5c2 in  () at /usr/lib64/libQtGui.so.4
#28 0x00007f3677669a04 in g_main_context_dispatch () at
/usr/lib64/libglib-2.0.so.0
#29 0x00007f3677669c48 in  () at /usr/lib64/libglib-2.0.so.0
#30 0x00007f3677669cec in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#31 0x00007f367d09e0be in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQtCore.so.4
#32 0x00007f367d8ab676 in  () at /usr/lib64/libQtGui.so.4
#33 0x00007f367d06fe6f in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQtCore.so.4
#34 0x00007f367d070165 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQtCore.so.4
#35 0x00007f367d0755b9 in QCoreApplication::exec() () at
/usr/lib64/libQtCore.so.4
#36 0x0000000000400c31 in main(int, char**) (argc=1, argv=0x7ffe3f54b7f8) at
calligra-2.9/kexi/main.cpp:36

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