layouts/tile.c

   1 /*
   2  * tile.c - tile layout
   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 <stdio.h>
  23
  24 #include "screen.h"
  25 #include "tag.h"
  26 #include "client.h"
  27 #include "layouts/tile.h"
  28 #include "common/util.h"
  29
  30 extern awesome_t globalconf;
  31
  32 static void
  33 _tile(int screen, const position_t position)
  34 {
  35     /* windows area geometry */
  36     int wah = 0, waw = 0, wax = 0, way = 0;
  37     /* master size */
  38     unsigned int mw = 0, mh = 0;
  39     int n, i, masterwin = 0, otherwin = 0;
  40     int real_ncol = 1, win_by_col = 1, current_col = 0;
  41     area_t area, geometry = { 0, 0, 0, 0 };
  42     client_t *c;
  43     tag_t **curtags = tags_get_current(screen);
  44
  45     area = screen_area_get(screen,
  46                            &globalconf.screens[screen].wiboxes,
  47                            &globalconf.screens[screen].padding,
  48                            true);
  49
  50     for(n = 0, c = globalconf.clients; c; c = c->next)
  51         if(IS_TILED(c, screen))
  52             n++;
  53
  54     wah = area.height;
  55     waw = area.width;
  56     wax = area.x;
  57     way = area.y;
  58
  59     masterwin = MIN(n, curtags[0]->nmaster);
  60
  61     otherwin = MAX(n - masterwin, 0);
  62
  63     if(curtags[0]->nmaster)
  64         switch(position)
  65         {
  66           case Right:
  67           case Left:
  68             mh = masterwin ? wah / masterwin : wah;
  69             mw = otherwin ? waw * curtags[0]->mwfact : waw;
  70             break;
  71           default:
  72             mh = otherwin ? wah * curtags[0]->mwfact : wah;
  73             mw = masterwin ? waw / masterwin : waw;
  74             break;
  75         }
  76     else
  77         mh = mw = 0;
  78
  79     real_ncol = curtags[0]->ncol > 0 ? MIN(otherwin, curtags[0]->ncol) : MIN(otherwin, 1);
  80
  81     for(i = 0, c = globalconf.clients; c; c = c->next)
  82     {
  83         if(!IS_TILED(c, screen))
  84             continue;
  85
  86         if(i < curtags[0]->nmaster)
  87         {
  88             switch(position)
  89             {
  90               case Right:
  91                 geometry.y = way + i * mh;
  92                 geometry.x = wax;
  93                 break;
  94               case Left:
  95                 geometry.y = way + i * mh;
  96                 geometry.x = wax + (waw - mw);
  97                 break;
  98               case Top:
  99                 geometry.x = wax + i * mw;
 100                 geometry.y = way + (wah - mh);
 101                 break;
 102               case Bottom:
 103               default:
 104                 geometry.x = wax + i * mw;
 105                 geometry.y = way;
 106                 break;
 107                 break;
 108             }
 109
 110             geometry.width = mw - 2 * c->border;
 111             geometry.height =  mh - 2 * c->border;
 112
 113             client_resize(c, geometry, c->honorsizehints);
 114         }
 115         else
 116         {
 117             if(real_ncol)
 118                 win_by_col = otherwin / real_ncol;
 119
 120             if((i - curtags[0]->nmaster)
 121                && (i - curtags[0]->nmaster) % win_by_col == 0
 122                && current_col < real_ncol - 1)
 123                 current_col++;
 124
 125             if(current_col == real_ncol - 1)
 126                 win_by_col += otherwin % real_ncol;
 127
 128             if(position == Right || position == Left)
 129             {
 130                 if(otherwin <= real_ncol)
 131                     geometry.height = wah - 2 * c->border;
 132                 else
 133                     geometry.height = (wah / win_by_col) - 2 * c->border;
 134
 135                 geometry.width = (waw - mw) / real_ncol - 2 * c->border;
 136
 137                 if(i == curtags[0]->nmaster || otherwin <= real_ncol || (i - curtags[0]->nmaster) % win_by_col == 0)
 138                     geometry.y = way;
 139                 else
 140                     geometry.y = way + ((i - curtags[0]->nmaster) % win_by_col) * (geometry.height + 2 * c->border);
 141
 142                 geometry.x = wax + current_col * (geometry.width + 2 * c->border);
 143
 144                 if(position == Right)
 145                     geometry.x += mw;
 146             }
 147             else
 148             {
 149                 if(otherwin <= real_ncol)
 150                     geometry.width = waw - 2 * c->border;
 151                 else
 152                     geometry.width = (waw / win_by_col) - 2 * c->border;
 153
 154                 geometry.height = (wah - mh) / real_ncol - 2 * c->border;
 155
 156                 if(i == curtags[0]->nmaster || otherwin <= real_ncol || (i - curtags[0]->nmaster) % win_by_col == 0)
 157                     geometry.x = wax;
 158                 else
 159                     geometry.x = wax + ((i - curtags[0]->nmaster) % win_by_col) * (geometry.width + 2 * c->border);
 160
 161                 geometry.y = way + current_col * (geometry.height + 2 * c->border);
 162
 163                 if(position == Bottom)
 164                     geometry.y += mh;
 165             }
 166             client_resize(c, geometry, c->honorsizehints);
 167         }
 168         i++;
 169     }
 170
 171     p_delete(&curtags);
 172 }
 173
 174 void
 175 layout_tile(int screen)
 176 {
 177     _tile(screen, Right);
 178 }
 179
 180 void
 181 layout_tileleft(int screen)
 182 {
 183     _tile(screen, Left);
 184 }
 185
 186 void
 187 layout_tilebottom(int screen)
 188 {
 189     _tile(screen, Bottom);
 190 }
 191
 192 void
 193 layout_tiletop(int screen)
 194 {
 195     _tile(screen, Top);
 196 }
 197
 198 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80