1 /*
2  * drawable.h - drawable functions header
3  *
4  * Copyright © 2007-2009 Julien Danjou <julien@danjou.info>
5  * Copyright © 2010-2012 Uli Schlachter <psychon@znc.in>
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation; either version 2 of the License, or
10  * (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License along
18  * with this program; if not, write to the Free Software Foundation, Inc.,
19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
20  *
21  */
22 
23 #ifndef AWESOME_OBJECTS_DRAWABLE_H
24 #define AWESOME_OBJECTS_DRAWABLE_H
25 
26 #include "common/luaclass.h"
27 #include "draw.h"
28 
29 typedef void drawable_refresh_callback(void *);
30 
31 /** drawable type */
32 struct drawable_t
33 {
34     LUA_OBJECT_HEADER
35     /** The pixmap we are drawing to. */
36     xcb_pixmap_t pixmap;
37     /** Surface for drawing. */
38     cairo_surface_t *surface;
39     /** The geometry of the drawable (in root window coordinates). */
40     area_t geometry;
41     /** Surface contents are undefined if this is false. */
42     bool refreshed;
43     /** Callback for refreshing. */
44     drawable_refresh_callback *refresh_callback;
45     /** Data for refresh callback. */
46     void *refresh_data;
47 };
48 typedef struct drawable_t drawable_t;
49 
50 drawable_t *drawable_allocator(lua_State *, drawable_refresh_callback *, void *);
51 void drawable_set_geometry(lua_State *, int, area_t);
52 void drawable_class_setup(lua_State *);
53 
54 #endif
55 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
56