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Document that gtk_widget_queue_draw_area is in widget coordinates

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Matthias Clasen 2011-01-26 18:19:35 -05:00
parent 3cdd865bb8
commit 96af68529b
1 changed files with 7 additions and 1 deletions
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8
gtk/gtkwidget.c
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@ -4503,7 +4503,13 @@ gtk_widget_queue_draw_region (GtkWidget *widget,
*
* Convenience function that calls gtk_widget_queue_draw_region() on
* the region created from the given coordinates.
**/
*
* The region here is specified in widget coordinates.
* Widget coordinates are a bit odd; for historical reasons, they are
* defined as @widget->window coordinates for widgets that are not
* #GTK_NO_WINDOW widgets, and are relative to @widget->allocation.x,
* @widget->allocation.y for widgets that are #GTK_NO_WINDOW widgets.
*/
void
gtk_widget_queue_draw_area (GtkWidget *widget,
gint x,