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Set cell_view to NULL immediately after unparenting

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This way we are sure no invalid pointer will be accessed in between.
This commit is contained in:
Kristian Rietveld 2010-12-17 16:30:15 +01:00
parent 81515f7183
commit 21fc66f120
1 changed files with 9 additions and 5 deletions
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14
gtk/gtkcombobox.c
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@ -1450,6 +1450,7 @@ static void
gtk_combo_box_add (GtkContainer *container,
GtkWidget *widget)
{
gboolean cell_view_removed = FALSE;
GtkComboBox *combo_box = GTK_COMBO_BOX (container);
GtkComboBoxPrivate *priv = combo_box->priv;
@ -1461,23 +1462,26 @@ gtk_combo_box_add (GtkContainer *container,
return;
}
if (priv->cell_view != NULL && widget != priv->cell_view)
cell_view_removed = TRUE;
if (priv->cell_view &&
gtk_widget_get_parent (priv->cell_view))
{
gtk_widget_unparent (priv->cell_view);
_gtk_bin_set_child (GTK_BIN (container), NULL);
/* since the cell_view was unparented, it's gone now */
priv->cell_view = NULL;
gtk_widget_queue_resize (GTK_WIDGET (container));
}
gtk_widget_set_parent (widget, GTK_WIDGET (container));
_gtk_bin_set_child (GTK_BIN (container), widget);
if (priv->cell_view &&
widget != priv->cell_view)
if (cell_view_removed)
{
/* since the cell_view was unparented, it's gone now */
priv->cell_view = NULL;
if (!priv->tree_view && priv->separator)
{
gtk_container_remove (GTK_CONTAINER (gtk_widget_get_parent (priv->separator)),