awesome/objects/screen.h
Uli Schlachter 08845c7a4b Cache a screen's workarea
Instead of computing the workarea whenever some Lua code asks for it, it is now
remembered explicitly as a property on a screen. This allows us to only emit
property::workarea if the workarea actually changed.

Fixes: https://github.com/awesomeWM/awesome/issues/756
Signed-off-by: Uli Schlachter <psychon@znc.in>
2016-05-08 16:30:37 +02:00

63 lines
1.9 KiB
C

/*
* screen.h - screen management header
*
* Copyright © 2007-2009 Julien Danjou <julien@danjou.info>
*
* 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_SCREEN_H
#define AWESOME_SCREEN_H
#include "globalconf.h"
#include "draw.h"
#include "common/array.h"
#include "common/luaclass.h"
typedef struct screen_output_t screen_output_t;
ARRAY_TYPE(screen_output_t, screen_output)
struct a_screen
{
LUA_OBJECT_HEADER
/** Is this screen still valid and may be used? */
bool valid;
/** Screen geometry */
area_t geometry;
/** Screen workarea */
area_t workarea;
/** The screen outputs informations */
screen_output_array_t outputs;
/** Some XID identifying this screen */
uint32_t xid;
};
ARRAY_FUNCS(screen_t *, screen, DO_NOTHING)
void screen_class_setup(lua_State *L);
void screen_scan(void);
screen_t *screen_getbycoord(int, int);
bool screen_coord_in_screen(screen_t *, int, int);
int screen_get_index(screen_t *);
area_t display_area_get(void);
void screen_client_moveto(client_t *, screen_t *, bool);
void screen_update_primary(void);
void screen_update_workarea(screen_t *);
screen_t *screen_get_primary(void);
screen_t *luaA_checkscreen(lua_State *, int);
#endif
// vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80