layout.c

   1 /*
   2  * layout.c - layout management
   3  *
   4  * Copyright © 2007-2008 Julien Danjou <julien@danjou.info>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along
  17  * with this program; if not, write to the Free Software Foundation, Inc.,
  18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19  *
  20  */
  21
  22 #include "layout.h"
  23 #include "tag.h"
  24 #include "window.h"
  25 #include "screen.h"
  26
  27 extern awesome_t globalconf;
  28
  29 /** Arrange windows following current selected layout
  30  * \param screen the screen to arrange
  31  */
  32 static void
  33 arrange(int screen)
  34 {
  35     client_t *c;
  36     int phys_screen = screen_virttophys(screen);
  37     xcb_query_pointer_cookie_t qp_c;
  38     xcb_query_pointer_reply_t *qp_r;
  39
  40     for(c = globalconf.clients; c; c = c->next)
  41     {
  42         if(client_isvisible(c, screen))
  43             client_unban(c);
  44         /* we don't touch other screens windows */
  45         else if(c->screen == screen)
  46             client_ban(c);
  47     }
  48
  49     /* call hook */
  50     if(globalconf.hooks.arrange != LUA_REFNIL)
  51     {
  52         lua_pushnumber(globalconf.L, screen + 1);
  53         luaA_dofunction(globalconf.L, globalconf.hooks.arrange, 1, 0);
  54     }
  55
  56     qp_c = xcb_query_pointer_unchecked(globalconf.connection,
  57                                        xutil_screen_get(globalconf.connection,
  58                                                           phys_screen)->root);
  59
  60     /* check that the mouse is on a window or not */
  61     if((qp_r = xcb_query_pointer_reply(globalconf.connection, qp_c, NULL)))
  62     {
  63         if(qp_r->child == XCB_NONE || qp_r->root == qp_r->child)
  64             window_root_buttons_grab(qp_r->root);
  65         else if ((c = client_getbywin(qp_r->child)))
  66             window_buttons_grab(c->win, qp_r->root, &c->buttons);
  67
  68         globalconf.pointer_x = qp_r->root_x;
  69         globalconf.pointer_y = qp_r->root_y;
  70
  71         p_delete(&qp_r);
  72     }
  73
  74     /* reset status */
  75     globalconf.screens[screen].need_arrange = false;
  76 }
  77
  78 /** Refresh the screen disposition
  79  * \return true if the screen was arranged, false otherwise
  80  */
  81 void
  82 layout_refresh(void)
  83 {
  84     int screen;
  85
  86     for(screen = 0; screen < globalconf.nscreen; screen++)
  87         if(globalconf.screens[screen].need_arrange)
  88             arrange(screen);
  89 }
  90
  91 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80