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Don't try to emit focusObjectChanged if window pointer is zero

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Task-number: QTBUG-27414
Change-Id: I75ad662e0a66d61b49d55d084f29cefc98221b7f
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>
This commit is contained in:
Miikka Heikkinen 2012-10-09 10:35:19 +03:00 committed by The Qt Project
parent fb029eeac6
commit 187b61d879
1 changed files with 4 additions and 2 deletions
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6
src/widgets/kernel/qwidget.cpp
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@ -5993,8 +5993,10 @@ void QWidget::setFocus(Qt::FocusReason reason)
f->d_func()->updateFocusChild(); f->d_func()->updateFocusChild();
} }
if (QTLWExtra *extra = f->window()->d_func()->maybeTopData()) if (QTLWExtra *extra = f->window()->d_func()->maybeTopData()) {
emit extra->window->focusObjectChanged(f); if (extra->window)
emit extra->window->focusObjectChanged(f);
}
} }
// updates focus_child on parent widgets to point into this widget // updates focus_child on parent widgets to point into this widget