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Fix QML integration of widgets

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We need to mark the object as deleted before destroying
it's declarative data, otherwise all sorts of bad things
can happen.

This fixes the qwidgetsinqml autotest in qtdeclarative.

Change-Id: I05a645ebe1ca7a50c8927e3dbd9ebb5aaf369a71
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
(cherry picked from commit 3e91625b58)
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
This commit is contained in:
Lars Knoll 2017-11-14 15:52:34 +01:00 committed by Nathan Collins
parent b458cb312c
commit c579f49e2a
1 changed files with 2 additions and 1 deletions
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src/widgets/kernel/qwidget.cpp
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@ -1677,6 +1677,7 @@ QWidget::~QWidget()
}
}
d->wasDeleted = true;
if (d->declarativeData) {
if (static_cast<QAbstractDeclarativeDataImpl*>(d->declarativeData)->ownedByQml1) {
if (QAbstractDeclarativeData::destroyed_qml1)
@ -8476,7 +8477,7 @@ bool QWidgetPrivate::close_helper(CloseMode mode)
data.is_closing = 1;
QPointer<QWidget> that = q;
QPointer<QWidget> parentWidget = q->parentWidget();
QPointer<QWidget> parentWidget = (q->parentWidget() && !QObjectPrivate::get(q->parentWidget())->wasDeleted) ? q->parentWidget() : nullptr;
bool quitOnClose = q->testAttribute(Qt::WA_QuitOnClose);
if (mode != CloseNoEvent) {