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 strips=1, cells = 1,
  34         strip = 0, cell = 0, n = 0,
  35         full_strips;
  36     client_t *c;
  37     area_t geometry, area;
  38
  39     area = screen_area_get(screen,
  40                            &globalconf.screens[screen].wiboxes,
  41                            &globalconf.screens[screen].padding,
  42                            true);
  43
  44     for(c = globalconf.clients ; c; c = c->next)
  45         if(IS_TILED(c, screen))
  46             ++n;
  47
  48     if(n > 0)
  49     {
  50         while(cells * cells < n)
  51             ++cells;
  52
  53         strips = (cells * (cells - 1) >= n) ? cells - 1 : cells;
  54         full_strips = n - strips * (cells - 1);
  55
  56         for(c = globalconf.clients; c; c = c->next)
  57             if(IS_TILED(c, screen))
  58             {
  59                 if (((orientation == East) && (n > 2))
  60                     || ((orientation == South) && (n <= 2)))
  61                 {
  62                     geometry.width = area.width / cells;
  63                     geometry.height = area.height / strips;
  64                     geometry.x = area.x + cell * geometry.width;
  65                     geometry.y = area.y + strip * geometry.height;
  66                 }
  67                 else
  68                 {
  69                     geometry.width = area.width / strips;
  70                     geometry.height = area.height / cells;
  71                     geometry.x = area.x + strip * geometry.width;
  72                     geometry.y = area.y + cell * geometry.height;
  73                 }
  74                 geometry.width -= 2 * c->border;
  75                 geometry.height -= 2 * c->border;
  76
  77                 client_resize(c, geometry, c->honorsizehints);
  78
  79                 if(++cell == cells)
  80                 {
  81                     cell = 0;
  82                     if(++strip == full_strips)
  83                         cells--;
  84                 }
  85             }
  86     }
  87 }
  88
  89 void
  90 layout_fairh(int screen)
  91 {
  92     layout_fair(screen, East);
  93 }
  94
  95 void
  96 layout_fairv(int screen)
  97 {
  98     layout_fair(screen, South);
  99 }
 100
 101 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80