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widget: Take a ref during ::unmap emission

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This ensures the widget data stays live long enough to perform invariants
check after emission if the widget happens to be destroyed on a callback.

https://bugzilla.gnome.org/show_bug.cgi?id=745829
This commit is contained in:
Carlos Garnacho 2015-03-16 13:45:03 +01:00
parent 2e272106ef
commit f5f6ad9981
1 changed files with 2 additions and 0 deletions
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2
gtk/gtkwidget.c
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@ -5081,6 +5081,7 @@ gtk_widget_unmap (GtkWidget *widget)
if (gtk_widget_get_mapped (widget))
{
g_object_ref (widget);
gtk_widget_push_verify_invariants (widget);
if (!gtk_widget_get_has_window (widget))
@ -5093,6 +5094,7 @@ gtk_widget_unmap (GtkWidget *widget)
g_signal_emit (widget, widget_signals[UNMAP], 0);
gtk_widget_pop_verify_invariants (widget);
g_object_unref (widget);
}
}