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overlay: do not to set uninitialized values in the main allocation

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gtk_widget_translate_coordinates() can fail in case the widget is not
realized or there's no common ancestor. Don't use the x/y values
returned by that method in that case, since their value is undefined.
This commit is contained in:
Cosimo Cecchi 2012-02-29 12:21:59 -05:00
parent 421d27c858
commit 170e8712e9
1 changed files with 12 additions and 2 deletions
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14
gtk/gtkoverlay.c
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@ -127,12 +127,22 @@ gtk_overlay_get_main_widget_allocation (GtkOverlay *overlay,
{
GtkWidget *grandchild;
gint x, y;
gboolean res;
grandchild = gtk_bin_get_child (GTK_BIN (main_widget));
res = gtk_widget_translate_coordinates (grandchild, main_widget, 0, 0, &x, &y);
main_alloc.x = x;
main_alloc.y = y;
if (res)
{
main_alloc.x = x;
main_alloc.y = y;
}
else
{
main_alloc.x = 0;
main_alloc.y = 0;
}
main_alloc.width = gtk_widget_get_allocated_width (grandchild);
main_alloc.height = gtk_widget_get_allocated_height (grandchild);
}