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widget: Typecheck before deref in translate_coords

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https://bugzilla.gnome.org/show_bug.cgi?id=771279
This commit is contained in:
Andrea Azzarone 2017-10-19 08:36:50 +00:00 committed by Marco Trevisan (Treviño)
parent 3509918e39
commit 81d1aaa062
1 changed files with 5 additions and 2 deletions
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7
gtk/gtkwidget.c
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@ -6281,8 +6281,8 @@ gtk_widget_translate_coordinates (GtkWidget *src_widget,
gint *dest_x,
gint *dest_y)
{
GtkWidgetPrivate *src_priv = src_widget->priv;
GtkWidgetPrivate *dest_priv = dest_widget->priv;
GtkWidgetPrivate *src_priv;
GtkWidgetPrivate *dest_priv;
GtkWidget *ancestor;
GdkWindow *window;
GList *dest_list = NULL;
@ -6294,6 +6294,9 @@ gtk_widget_translate_coordinates (GtkWidget *src_widget,
if (!ancestor || !_gtk_widget_get_realized (src_widget) || !_gtk_widget_get_realized (dest_widget))
return FALSE;
src_priv = src_widget->priv;
dest_priv = dest_widget->priv;
/* Translate from allocation relative to window relative */
if (_gtk_widget_get_has_window (src_widget) && src_priv->parent)
{