layouts/fair.c

   1 /*
   2  * fair.c - fair layout
   3  *
   4  * Copyright © 2008 Alex Cornejo <acornejo@gmail.com>
   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 "screen.h"
  23 #include "tag.h"
  24 #include "client.h"
  25 #include "layouts/fair.h"
  26 #include "common/util.h"
  27
  28 extern awesome_t globalconf;
  29
  30 static void
  31 layout_fair(int screen, const orientation_t orientation)
  32 {
  33     int u_divisions=1, v_divisions = 1,
  34         u = 0, v = 0, n = 0;
  35     client_t *c;
  36     area_t geometry, area;
  37
  38     area = screen_area_get(screen,
  39                            &globalconf.screens[screen].wiboxes,
  40                            &globalconf.screens[screen].padding,
  41                            true);
  42
  43     for(c = globalconf.clients ; c; c = c->next)
  44         if(IS_TILED(c, screen))
  45             ++n;
  46
  47     if(n > 0)
  48     {
  49         while(u_divisions * u_divisions < n)
  50             ++u_divisions;
  51
  52         v_divisions = (u_divisions * (u_divisions - 1) >= n) ? u_divisions - 1 : u_divisions;
  53
  54         for(c = globalconf.clients; c; c = c->next)
  55             if(IS_TILED(c, screen))
  56             {
  57                 if (((orientation == East) && (n > 2))
  58                     || ((orientation == South) && (n <= 2)))
  59                 {
  60                     geometry.width = area.width / u_divisions;
  61                     geometry.height = area.height / v_divisions;
  62                     geometry.x = area.x + u * geometry.width;
  63                     geometry.y = area.y + v * geometry.height;
  64                 }
  65                 else
  66                 {
  67                     geometry.width = area.width / v_divisions;
  68                     geometry.height = area.height / u_divisions;
  69                     geometry.x = area.x + v * geometry.width;
  70                     geometry.y = area.y + u * geometry.height;
  71                 }
  72                 geometry.width -= 2 * c->border;
  73                 geometry.height -= 2 * c->border;
  74
  75                 client_resize(c, geometry, c->honorsizehints);
  76
  77                 if(++u == u_divisions)
  78                 {
  79                     u = 0;
  80                     if(++v == v_divisions - 1)
  81                         u_divisions = u_divisions - u_divisions * v_divisions + n;
  82                 }
  83             }
  84     }
  85 }
  86
  87 void
  88 layout_fairh(int screen)
  89 {
  90     layout_fair(screen, East);
  91 }
  92
  93 void
  94 layout_fairv(int screen)
  95 {
  96     layout_fair(screen, South);
  97 }
  98
  99 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80