awesome/objects/drawable.h

/*
 * drawable.h - drawable functions header
 *
 * Copyright © 2007-2009 Julien Danjou <julien@danjou.info>
 * Copyright © 2010-2012 Uli Schlachter <psychon@znc.in>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 */

#ifndef AWESOME_OBJECTS_DRAWABLE_H
#define AWESOME_OBJECTS_DRAWABLE_H

#include "common/luaclass.h"
#include "globalconf.h"

typedef void drawable_refresh_callback(void *);

/** drawable type */
struct drawable_t
{
    LUA_OBJECT_HEADER
    /** Surface for drawing. */
    cairo_surface_t *surface;
    /** The geometry of the drawable (in root window coordinates). */
    area_t geometry;
    /** Callback for refreshing. */
    drawable_refresh_callback *refresh_callback;
    /** Data for refresh callback. */
    void *refresh_data;
};

drawable_t *drawable_allocator(lua_State *, drawable_refresh_callback *, void *);
void drawable_unset_surface(drawable_t *);
void drawable_set_surface(drawable_t *, int, cairo_surface_t *, area_t);
void drawable_set_geometry(drawable_t *, int, area_t);
void drawable_class_setup(lua_State *);

#endif
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