diff options
| -rw-r--r-- | src/plugins/platformthemes/gtk2/qgtk2dialoghelpers.cpp | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/plugins/platformthemes/gtk2/qgtk2dialoghelpers.cpp b/src/plugins/platformthemes/gtk2/qgtk2dialoghelpers.cpp index 2f0bceafe6..857f373759 100644 --- a/src/plugins/platformthemes/gtk2/qgtk2dialoghelpers.cpp +++ b/src/plugins/platformthemes/gtk2/qgtk2dialoghelpers.cpp @@ -71,6 +71,9 @@ Q_SIGNALS: protected: static void onResponse(QGtk2Dialog *dialog, int response); +private slots: + void onParentWindowDestroyed(); + private: GtkWidget *gtkWidget; }; @@ -108,6 +111,8 @@ void QGtk2Dialog::exec() bool QGtk2Dialog::show(Qt::WindowFlags flags, Qt::WindowModality modality, QWindow *parent) { + connect(parent, &QWindow::destroyed, this, &QGtk2Dialog::onParentWindowDestroyed, + Qt::UniqueConnection); setParent(parent); setFlags(flags); setModality(modality); @@ -144,6 +149,12 @@ void QGtk2Dialog::onResponse(QGtk2Dialog *dialog, int response) emit dialog->reject(); } +void QGtk2Dialog::onParentWindowDestroyed() +{ + // The QGtk2*DialogHelper classes own this object. Make sure the parent doesn't delete it. + setParent(0); +} + QGtk2ColorDialogHelper::QGtk2ColorDialogHelper() { d.reset(new QGtk2Dialog(gtk_color_selection_dialog_new(""))); |