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QDialog: Pass transient parent as a parent to native dialogs

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Sometimes it's needed to show a native dialog for another process,
for example in xdg-desktop-portal-kde. In this case we have WId
of a parent window which can be used for calling
QWindow::setTransientParent(QWindow::fromWinId(...)).

Pass this transient parent to a native dialog so it could use
it as a transient parent for itself. Rename
QDialogPrivate::parentWindow() for clarity.

Change-Id: I68974ddea35f9366a0ddffe602d9d028f45e26fa
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>
This commit is contained in:
Alexander Volkov 2018-12-18 16:49:20 +03:00
parent ff835a5030
commit f05cc4144e
2 changed files with 7 additions and 4 deletions
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9
src/widgets/dialogs/qdialog.cpp
View File

@ -145,10 +145,13 @@ bool QDialogPrivate::canBeNativeDialog() const
return false;
}
QWindow *QDialogPrivate::parentWindow() const
QWindow *QDialogPrivate::transientParentWindow() const
{
if (const QWidget *parent = q_func()->nativeParentWidget())
Q_Q(const QDialog);
if (const QWidget *parent = q->nativeParentWidget())
return parent->windowHandle();
else if (q->windowHandle())
return q->windowHandle()->transientParent();
return 0;
}
@ -158,7 +161,7 @@ bool QDialogPrivate::setNativeDialogVisible(bool visible)
if (visible) {
Q_Q(QDialog);
helperPrepareShow(helper);
nativeDialogInUse = helper->show(q->windowFlags(), q->windowModality(), parentWindow());
nativeDialogInUse = helper->show(q->windowFlags(), q->windowModality(), transientParentWindow());
} else if (nativeDialogInUse) {
helper->hide();
}

2
src/widgets/dialogs/qdialog_p.h
View File

@ -87,7 +87,7 @@ public:
{}
~QDialogPrivate();
QWindow *parentWindow() const;
QWindow *transientParentWindow() const;
bool setNativeDialogVisible(bool visible);
QVariant styleHint(QPlatformDialogHelper::StyleHint hint) const;
void deletePlatformHelper();