[KPhotoAlbum] Crash with Thumbnail Settings button

[Johannes Zarl-Zierl]

It's actually worse - the crash happens every time one opens the settings 
dialog.

I already have a simple fix - I'm just checking why it happens and whether 
there is more to it than it seems before pushing the fix...

  Johannes


Am Dienstag, 21. Jänner 2020, 02:06:15 CET schrieb Robert Krawitz:
> If I click the Thumbnail Settings button at the bottom right of the
> thumbnail display, I reliably get the following crash (Qt 5.14, KDE
> framework 5.66):
> 
> #0  0x00007fffe8d777a0 in QListWidgetItem::listModel() const () at
> /usr/lib64/libQt5Widgets.so.5 #1  0x00007fffe8d77835 in
> QListWidgetItem::setSelected(bool) () at /usr/lib64/libQt5Widgets.so.5 #2 
> 0x000000000049754f in Settings::CategoryPage::resetInterface() () #3 
> 0x000000000049a04e in Settings::CategoryPage::CategoryPage(QWidget*) () #4 
> 0x0000000000494be9 in Settings::SettingsDialog::SettingsDialog(QWidget*) ()
> #5  0x00000000005590e0 in MainWindow::Window::slotOptions() ()
> #6  0x00000000005592a6 in
> QtPrivate::QFunctorSlotObject<MainWindow::Window::setupStatusBar()::{lambda
> ()#1}, 0, QtPrivate::List<>, void>::impl(int, QtPrivate::QSlotObjectBase*,
> QObject*, void**, bool*) () #7  0x00007fffe7c0d9e7 in  () at
> /usr/lib64/libQt5Core.so.5
> #8  0x00007fffe7c0d9e7 in  () at /usr/lib64/libQt5Core.so.5
> #9  0x00007fffe8bc3b12 in QAbstractButton::clicked(bool) () at
> /usr/lib64/libQt5Widgets.so.5 #10 0x00007fffe8bc3d2a in  () at
> /usr/lib64/libQt5Widgets.so.5
> #11 0x00007fffe8bc510a in  () at /usr/lib64/libQt5Widgets.so.5
> #12 0x00007fffe8bc52fd in QAbstractButton::mouseReleaseEvent(QMouseEvent*)
> () at /usr/lib64/libQt5Widgets.so.5
> #13 0x00007fffe8cb6c5a in QToolButton::mouseReleaseEvent(QMouseEvent*) ()
>     at /usr/lib64/libQt5Widgets.so.5
> #14 0x00007fffe8b18dd8 in QWidget::event(QEvent*) () at
> /usr/lib64/libQt5Widgets.so.5 #15 0x00007fffe8cb6cf4 in
> QToolButton::event(QEvent*) () at /usr/lib64/libQt5Widgets.so.5 #16
> 0x00007fffe8ad7bac in QApplicationPrivate::notify_helper(QObject*, QEvent*)
> () at /usr/lib64/libQt5Widgets.so.5
> #17 0x00007fffe8adffc8 in QApplication::notify(QObject*, QEvent*) ()
>     at /usr/lib64/libQt5Widgets.so.5
> #18 0x00007fffe7bd27b8 in QCoreApplication::notifyInternal2(QObject*,
> QEvent*) () at /usr/lib64/libQt5Core.so.5
> #19 0x00007fffe8ade64f in QApplicationPrivate::sendMouseEvent(QWidget*,
> QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool,
> bool) () at /usr/lib64/libQt5Widgets.so.5 #20 0x00007fffe8b333e1 in  () at
> /usr/lib64/libQt5Widgets.so.5
> #21 0x00007fffe8b3624a in  () at /usr/lib64/libQt5Widgets.so.5
> #22 0x00007fffe8ad7bac in QApplicationPrivate::notify_helper(QObject*,
> QEvent*) () at /usr/lib64/libQt5Widgets.so.5
> #23 0x00007fffe8adf180 in QApplication::notify(QObject*, QEvent*) ()
>     at /usr/lib64/libQt5Widgets.so.5
> #24 0x00007fffe7bd27b8 in QCoreApplication::notifyInternal2(QObject*,
> QEvent*) () at /usr/lib64/libQt5Core.so.5
> #25 0x00007fffe81d2315 in
> QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::Mo
> useEvent*) () at /usr/lib64/libQt5Gui.so.5 #26 0x00007fffe81d3445 in
> QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePriv
> ate::WindowSystemEvent*) () at /usr/lib64/libQt5Gui.so.5 #27
> 0x00007fffe81ac69b in
> QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEv
> entsFlag>) () at /usr/lib64/libQt5Gui.so.5 #28 0x00007fffc8abefaa in  () at
> /usr/lib64/libQt5XcbQpa.so.5
> #29 0x00007fffdbeb1e87 in g_main_context_dispatch () at
> /usr/lib64/libglib-2.0.so.0 #30 0x00007fffdbeb2230 in  () at
> /usr/lib64/libglib-2.0.so.0
> #31 0x00007fffdbeb22bc in g_main_context_iteration () at
> /usr/lib64/libglib-2.0.so.0 #32 0x00007fffe7c31a1c in
> QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
> () at /usr/lib64/libQt5Core.so.5 #33 0x00007fffe7bd103a in
> QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
> /usr/lib64/libQt5Core.so.5
> #34 0x00007fffe7bda7b0 in QCoreApplication::exec() () at
> /usr/lib64/libQt5Core.so.5 #35 0x0000000000463e3d in main ()