ForceQuitDialog: make sure that the dialog is not deletable by WM

For this to be safe we need also to ignore the delete events (bzr r3740.4.23)

1 files changed, 7 insertions, 0 deletions

diff --git a/decorations/DecorationsForceQuitDialog.cpp b/decorations/DecorationsForceQuitDialog.cpp
index a24bb5df2..fd5dad523 100644
--- a/decorations/DecorationsForceQuitDialog.cpp
+++ b/decorations/DecorationsForceQuitDialog.cpp
@@ -108,6 +108,8 @@ GtkWidget* sheet_style_window_new(ForceQuitDialog* main_dialog, Window parent_xi
 gtk_window_set_type_hint(self, GDK_WINDOW_TYPE_HINT_DIALOG);
 gtk_window_set_decorated(self, FALSE);
 gtk_window_set_resizable(self, FALSE);
+ gtk_window_set_urgency_hint(self, TRUE);
+ gtk_window_set_deletable(self, FALSE);
 gtk_window_set_title(self, "Force Quit Dialog");
 
 XClassHint parent_class = {nullptr, nullptr};
@@ -180,6 +182,11 @@ GtkWidget* sheet_style_window_new(ForceQuitDialog* main_dialog, Window parent_xi
 
 static void sheet_style_window_class_init(SheetStyleWindowClass* klass)
 {
+ GTK_WIDGET_CLASS(klass)->delete_event = [] (GtkWidget* self, GdkEventAny*) {
+ // Don't destroy the window on delete event
+ return TRUE;
+ };
+
 GTK_WIDGET_CLASS(klass)->draw = [] (GtkWidget* self, cairo_t* cr) {
 GtkAllocation a;
 gtk_widget_get_allocation(self, &a);