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GtkTextHandle: Deal with parent_scrollable going away

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Use a weak reference to notice when parent_scrollable is
going away.

https://bugzilla.gnome.org/show_bug.cgi?id=724392
This commit is contained in:
Matthias Clasen
2014-02-17 22:27:35 -05:00
parent e679812be0
commit 479babf339
1 changed files with 4 additions and 0 deletions
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4
gtk/gtktexthandle.c
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@ -371,12 +371,16 @@ _gtk_text_handle_set_scrollable (GtkTextHandle *handle,
g_object_unref (priv->hadj);
priv->hadj = NULL;
}
g_object_remove_weak_pointer (G_OBJECT (priv->parent_scrollable), (gpointer *) &priv->parent_scrollable);
}
priv->parent_scrollable = scrollable;
if (scrollable)
{
g_object_add_weak_pointer (G_OBJECT (priv->parent_scrollable), (gpointer *) &priv->parent_scrollable);
priv->vadj = gtk_scrollable_get_vadjustment (scrollable);
priv->hadj = gtk_scrollable_get_hadjustment (scrollable);