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 "client.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     layout_t *curlay = layout_get_current(screen);
  37     int phys_screen = screen_virttophys(screen);
  38     xcb_query_pointer_cookie_t qp_c;
  39     xcb_query_pointer_reply_t *qp_r;
  40
  41     for(c = globalconf.clients; c; c = c->next)
  42     {
  43         if(client_isvisible(c, screen))
  44             client_unban(c);
  45         /* we don't touch other screens windows */
  46         else if(c->screen == screen)
  47             client_ban(c);
  48     }
  49
  50     if(curlay)
  51         curlay(screen);
  52
  53     qp_c = xcb_query_pointer_unchecked(globalconf.connection,
  54                                        xutil_screen_get(globalconf.connection,
  55                                                           phys_screen)->root);
  56
  57     /* check that the mouse is on a window or not */
  58     if((qp_r = xcb_query_pointer_reply(globalconf.connection, qp_c, NULL)))
  59     {
  60         if(qp_r->child == XCB_NONE || qp_r->root == qp_r->child)
  61             window_root_buttons_grab(qp_r->root);
  62         else if ((c = client_getbywin(qp_r->child)))
  63             window_buttons_grab(c->win, qp_r->root, &c->buttons);
  64
  65         globalconf.pointer_x = qp_r->root_x;
  66         globalconf.pointer_y = qp_r->root_y;
  67
  68         p_delete(&qp_r);
  69     }
  70
  71     /* reset status */
  72     globalconf.screens[screen].need_arrange = false;
  73
  74     /* call hook */
  75     if(globalconf.hooks.arrange != LUA_REFNIL)
  76     {
  77         lua_pushnumber(globalconf.L, screen + 1);
  78         luaA_dofunction(globalconf.L, globalconf.hooks.arrange, 1, 0);
  79     }
  80 }
  81
  82 /** Refresh the screen disposition
  83  * \return true if the screen was arranged, false otherwise
  84  */
  85 void
  86 layout_refresh(void)
  87 {
  88     int screen;
  89
  90     for(screen = 0; screen < globalconf.nscreen; screen++)
  91         if(globalconf.screens[screen].need_arrange)
  92             arrange(screen);
  93 }
  94
  95 /** Get current layout used on screen.
  96  * \param screen Virtual screen number.
  97  * \return layout used on that screen
  98  */
  99 layout_t *
 100 layout_get_current(int screen)
 101 {
 102     layout_t *l = NULL;
 103     tag_t **curtags = tags_get_current(screen);
 104
 105     if(curtags[0])
 106         l = curtags[0]->layout;
 107     p_delete(&curtags);
 108
 109     return l;
 110 }
 111
 112 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80