[evolution] Bug #643526 - Crash in et_get_n_children

[Milan Crha <mcrha src gnome org>]

commit 8f01d97298b6f7d226fc5df4a0d8afe8f78c55c1
Author: Milan Crha <mcrha redhat com>
Date:   Mon Jun 6 15:54:19 2011 +0200

    Bug #643526 - Crash in et_get_n_children

 calendar/gui/ea-cal-view.c       |    4 +---
 widgets/table/gal-a11y-e-table.c |    7 ++++---
 widgets/table/gal-a11y-e-tree.c  |    3 +--
 3 files changed, 6 insertions(+), 8 deletions(-)
---
diff --git a/calendar/gui/ea-cal-view.c b/calendar/gui/ea-cal-view.c
index 300ca3b..7e50284 100644
--- a/calendar/gui/ea-cal-view.c
+++ b/calendar/gui/ea-cal-view.c
@@ -174,7 +174,6 @@ static AtkObject*
 ea_cal_view_get_parent (AtkObject *accessible)
 {
 	ECalendarView *cal_view;
-	GnomeCalendar *gnomeCalendar;
 	GtkWidget *widget;
 
 	g_return_val_if_fail (EA_IS_CAL_VIEW (accessible), NULL);
@@ -184,9 +183,8 @@ ea_cal_view_get_parent (AtkObject *accessible)
 		return NULL;
 
 	cal_view = E_CALENDAR_VIEW (widget);
-	gnomeCalendar = e_calendar_view_get_calendar (cal_view);
 
-	return gtk_widget_get_accessible (GTK_WIDGET (gnomeCalendar));
+	return gtk_widget_get_accessible (gtk_widget_get_parent (GTK_WIDGET (cal_view)));
 }
 
 static void
diff --git a/widgets/table/gal-a11y-e-table.c b/widgets/table/gal-a11y-e-table.c
index 5db3f44..436de1e 100644
--- a/widgets/table/gal-a11y-e-table.c
+++ b/widgets/table/gal-a11y-e-table.c
@@ -131,7 +131,7 @@ et_get_n_children (AtkObject *accessible)
 
 	et = E_TABLE (gtk_accessible_get_widget (GTK_ACCESSIBLE (a11y)));
 
-	if (et->group) {
+	if (et && et->group) {
 		if (E_IS_TABLE_GROUP_LEAF (et->group))
 			n = 1;
 		else if (E_IS_TABLE_GROUP_CONTAINER (et->group)) {
@@ -155,6 +155,8 @@ et_ref_child (AtkObject *accessible,
 	gint child_no;
 
 	et = E_TABLE (gtk_accessible_get_widget (GTK_ACCESSIBLE (a11y)));
+	if (!et)
+		return NULL;
 
 	child_no = et_get_n_children (accessible);
 	if (i == 0 || i < child_no - 1) {
@@ -283,8 +285,7 @@ gal_a11y_e_table_new (GObject *widget)
 
 	a11y = g_object_new (gal_a11y_e_table_get_type (), NULL);
 
-	/* FIXME No way to do this in GTK 3. */
-	/*GTK_ACCESSIBLE (a11y)->widget = GTK_WIDGET (widget);*/
+	gtk_accessible_set_widget (GTK_ACCESSIBLE (a11y), GTK_WIDGET (widget));
 
 	/* we need to init all the children for multiple table items */
 	if (table && gtk_widget_get_mapped (GTK_WIDGET (table)) && table->group && E_IS_TABLE_GROUP_CONTAINER (table->group)) {
diff --git a/widgets/table/gal-a11y-e-tree.c b/widgets/table/gal-a11y-e-tree.c
index 4507e21..f26c525 100644
--- a/widgets/table/gal-a11y-e-tree.c
+++ b/widgets/table/gal-a11y-e-tree.c
@@ -178,8 +178,7 @@ gal_a11y_e_tree_new (GObject *widget)
 
 	a11y = g_object_new (gal_a11y_e_tree_get_type (), NULL);
 
-	/* FIXME No way to do this in GTK 3. */
-	/*GTK_ACCESSIBLE (a11y)->widget = GTK_WIDGET (widget);*/
+	gtk_accessible_set_widget (GTK_ACCESSIBLE (a11y), GTK_WIDGET (widget));
 
 	return ATK_OBJECT (a11y);
 }