diff options
-rw-r--r-- | src/plugins/platformthemes/gtk3/qgtk3dialoghelpers.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/plugins/platformthemes/gtk3/qgtk3dialoghelpers.cpp b/src/plugins/platformthemes/gtk3/qgtk3dialoghelpers.cpp index a21b4d8a65..ced5fe7086 100644 --- a/src/plugins/platformthemes/gtk3/qgtk3dialoghelpers.cpp +++ b/src/plugins/platformthemes/gtk3/qgtk3dialoghelpers.cpp @@ -117,8 +117,10 @@ void QGtk3Dialog::exec() bool QGtk3Dialog::show(Qt::WindowFlags flags, Qt::WindowModality modality, QWindow *parent) { - connect(parent, &QWindow::destroyed, this, &QGtk3Dialog::onParentWindowDestroyed, - Qt::UniqueConnection); + if (parent) { + connect(parent, &QWindow::destroyed, this, &QGtk3Dialog::onParentWindowDestroyed, + Qt::UniqueConnection); + } setParent(parent); setFlags(flags); setModality(modality); |