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authorMike Gorse <mgorse@suse.com>2012-08-23 03:16:33 +0800
committerMatthew Barnes <mbarnes@redhat.com>2012-08-23 04:49:54 +0800
commitd629f894c41fdc9c3338c282332bc3d0151ed4e6 (patch)
tree901f4140317220bf799c75fa64ffaa19ca65ce17
parent0ee1a173d52a671b2c3c0656fda74e6015cfd225 (diff)
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Bug 682494 - Add some defensive checks in gal-a11y-e-text.c
-rw-r--r--widgets/text/gal-a11y-e-text.c27
1 files changed, 21 insertions, 6 deletions
diff --git a/widgets/text/gal-a11y-e-text.c b/widgets/text/gal-a11y-e-text.c
index 5632665bc3..6f62ae74c6 100644
--- a/widgets/text/gal-a11y-e-text.c
+++ b/widgets/text/gal-a11y-e-text.c
@@ -93,11 +93,16 @@ et_get_extents (AtkComponent *component,
static const gchar *
et_get_full_text (AtkText *text)
{
- EText *etext = E_TEXT (atk_gobject_accessible_get_object (
- ATK_GOBJECT_ACCESSIBLE (text)));
+ GObject *obj;
+ EText *etext;
ETextModel *model;
const gchar *full_text;
+ obj = atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE (text));
+ if (obj == NULL)
+ return "";
+
+ etext = E_TEXT (obj);
g_object_get (etext, "model", &model, NULL);
full_text = e_text_model_get_text (model);
@@ -109,10 +114,15 @@ static void
et_set_full_text (AtkEditableText *text,
const gchar *full_text)
{
- EText *etext = E_TEXT (atk_gobject_accessible_get_object (
- ATK_GOBJECT_ACCESSIBLE (text)));
+ GObject *obj;
+ EText *etext;
ETextModel *model;
+ obj = atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE (text));
+ if (obj == NULL)
+ return;
+
+ etext = E_TEXT (obj);
g_object_get (etext, "model", &model, NULL);
e_text_model_set_text (model, full_text);
@@ -648,8 +658,13 @@ et_get_offset_at_point (AtkText *text,
static gint
et_get_n_selections (AtkText *text)
{
- EText *etext = E_TEXT (atk_gobject_accessible_get_object (
- ATK_GOBJECT_ACCESSIBLE (text)));
+ EText *etext;
+ GObject *obj = atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE (text));
+
+ if (obj == NULL)
+ return -1;
+ etext = E_TEXT (obj);
+
if (etext->selection_start !=
etext->selection_end)
return 1;