Le mar 08/06/2004 à 21:07, Dale Wiles a écrit : > I have a GTK app that places a bunch of Canvas Items on to a Gnome > Canvas. The user can then click on the Items and move them around. > When the Item is clicked on it also raises to the top. > > My problem arises when saving the results of the clickage. I can > get the X and Y of the Items, but I can't figure out how to get the Z > (stacking order). > > Does anyone know of a way to get the Z of an Item, or get a list > of Items sorted by stacking order? > > Thanks, > Dale GnomeCanvasGroup has pointers to the list of its children: struct _GnomeCanvasGroup { GnomeCanvasItem item; /* Children of the group */ GList *item_list; GList *item_list_end; }; the two GList* point to the same list, item_list->data is the bottom item and item_list_end the top item. If one of the children is a group, it has its own children of course.
Attachment:
signature.asc
Description: Ceci est une partie de message =?ISO-8859-1?Q?num=E9riquement?= =?ISO-8859-1?Q?_sign=E9e?=