objects/drawable.h

   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(drawable_t *, 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