awesome/layout.c
Julien Danjou d1db6903fa luaa: check that function is not NIL before pushing and calling
Otherwise we may push unused elements because dofunction() checked
_after_ if the function was nil, or not.

Signed-off-by: Julien Danjou <julien@danjou.info>
2008-11-20 17:48:23 +01:00

112 lines
3.2 KiB
C

/*
* layout.c - layout management
*
* Copyright © 2007-2008 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.
*
*/
#include "client.h"
#include "tag.h"
#include "window.h"
#include "screen.h"
extern awesome_t globalconf;
/** Arrange windows following current selected layout
* \param screen the screen to arrange
*/
static void
arrange(int screen)
{
client_t *c;
layout_t *curlay = layout_get_current(screen);
int phys_screen = screen_virttophys(screen);
xcb_query_pointer_cookie_t qp_c;
xcb_query_pointer_reply_t *qp_r;
for(c = globalconf.clients; c; c = c->next)
{
if(client_isvisible(c, screen))
client_unban(c);
/* we don't touch other screens windows */
else if(c->screen == screen)
client_ban(c);
}
if(curlay)
curlay(screen);
qp_c = xcb_query_pointer_unchecked(globalconf.connection,
xutil_screen_get(globalconf.connection,
phys_screen)->root);
/* check that the mouse is on a window or not */
if((qp_r = xcb_query_pointer_reply(globalconf.connection, qp_c, NULL)))
{
if(qp_r->child == XCB_NONE || qp_r->root == qp_r->child)
window_root_buttons_grab(qp_r->root);
else if ((c = client_getbywin(qp_r->child)))
window_buttons_grab(c->win, qp_r->root, &c->buttons);
globalconf.pointer_x = qp_r->root_x;
globalconf.pointer_y = qp_r->root_y;
p_delete(&qp_r);
}
/* reset status */
globalconf.screens[screen].need_arrange = false;
/* call hook */
if(globalconf.hooks.arrange != LUA_REFNIL)
{
lua_pushnumber(globalconf.L, screen + 1);
luaA_dofunction(globalconf.L, globalconf.hooks.arrange, 1, 0);
}
}
/** Refresh the screen disposition
* \return true if the screen was arranged, false otherwise
*/
void
layout_refresh(void)
{
int screen;
for(screen = 0; screen < globalconf.nscreen; screen++)
if(globalconf.screens[screen].need_arrange)
arrange(screen);
}
/** Get current layout used on screen.
* \param screen Virtual screen number.
* \return layout used on that screen
*/
layout_t *
layout_get_current(int screen)
{
layout_t *l = NULL;
tag_t **curtags = tags_get_current(screen);
if(curtags[0])
l = curtags[0]->layout;
p_delete(&curtags);
return l;
}
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