layouts/tile.c

   1 /*
   2  * tile.c - tile layout
   3  *
   4  * Copyright © 2007 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 "util.h"
  25 #include "screen.h"
  26 #include "awesome.h"
  27 #include "tag.h"
  28 #include "layout.h"
  29 #include "layouts/tile.h"
  30
  31 void
  32 uicb_setnmaster(awesome_config *awesomeconf,
  33                 const char * arg)
  34 {
  35     if(!arg || (!IS_ARRANGE(0, layout_tile) && !IS_ARRANGE(0, layout_tileleft)))
  36         return;
  37
  38
  39     if((awesomeconf->nmaster = (int) compute_new_value_from_arg(arg, (double) awesomeconf->nmaster)) < 0)
  40         awesomeconf->nmaster = 0;
  41
  42     arrange(awesomeconf);
  43 }
  44
  45 void
  46 uicb_setncol(awesome_config *awesomeconf,
  47              const char * arg)
  48 {
  49     if(!arg || (!IS_ARRANGE(0, layout_tile) && !IS_ARRANGE(0, layout_tileleft)))
  50         return;
  51
  52     if((awesomeconf->ncol = (int) compute_new_value_from_arg(arg, (double) awesomeconf->ncol)) < 1)
  53         awesomeconf->ncol = 1;
  54
  55     arrange(awesomeconf);
  56 }
  57
  58 void
  59 uicb_setmwfact(awesome_config * awesomeconf,
  60                const char *arg)
  61 {
  62     char *newarg;
  63
  64     if((!IS_ARRANGE(0, layout_tile) && !IS_ARRANGE(0, layout_tileleft)) || !arg)
  65         return;
  66
  67     newarg = a_strdup(arg);
  68     if(IS_ARRANGE(0, layout_tileleft))
  69     {
  70         if(newarg[0] == '+')
  71             newarg[0] = '-';
  72         else if(arg[0] == '-')
  73             newarg[0] = '+';
  74     }
  75
  76     if((awesomeconf->mwfact = compute_new_value_from_arg(newarg, awesomeconf->mwfact)) < 0.1)
  77         awesomeconf->mwfact = 0.1;
  78     else if(awesomeconf->mwfact > 0.9)
  79         awesomeconf->mwfact = 0.9;
  80
  81     arrange(awesomeconf);
  82     p_delete(&newarg);
  83 }
  84
  85 static void
  86 _tile(awesome_config *awesomeconf, const Bool right)
  87 {
  88     /* windows area geometry */
  89     int wah = 0, waw = 0, wax = 0, way = 0;
  90     /* new coordinates */
  91     unsigned int nx, ny, nw, nh;
  92     /* master size */
  93     unsigned int mw = 0, mh = 0;
  94     int n, i, masterwin = 0, otherwin = 0;
  95     int real_ncol = 1, win_by_col = 1, current_col = 0;
  96     ScreenInfo *screens_info = NULL;
  97     Client *c;
  98
  99     screens_info = get_screen_info(awesomeconf->display, awesomeconf->screen, &awesomeconf->statusbar);
 100
 101     for(n = 0, c = *awesomeconf->clients; c; c = c->next)
 102         if(IS_TILED(c, awesomeconf->screen, awesomeconf->tags, awesomeconf->ntags))
 103             n++;
 104
 105     wah = screens_info[awesomeconf->screen].height;
 106     waw = screens_info[awesomeconf->screen].width;
 107     wax = screens_info[awesomeconf->screen].x_org;
 108     way = screens_info[awesomeconf->screen].y_org;
 109
 110     masterwin = MIN(n, awesomeconf->nmaster);
 111
 112     otherwin = n - masterwin;
 113
 114     if(otherwin < 0)
 115         otherwin = 0;
 116
 117     if(awesomeconf->nmaster)
 118     {
 119         mh = masterwin ? wah / masterwin : waw;
 120         mw = otherwin ? waw * awesomeconf->mwfact : waw;
 121     }
 122     else
 123         mh = mw = 0;
 124
 125     real_ncol = MIN(otherwin, awesomeconf->ncol);
 126
 127     for(i = 0, c = *awesomeconf->clients; c; c = c->next)
 128     {
 129         if(!IS_TILED(c, awesomeconf->screen, awesomeconf->tags, awesomeconf->ntags))
 130             continue;
 131
 132         c->ismax = False;
 133         if(i < awesomeconf->nmaster)
 134         {                       /* master */
 135             ny = way + i * mh;
 136             nx = wax + (right ? 0 : waw - mw);
 137             resize(c, nx, ny, mw - 2 * c->border, mh - 2 * c->border, awesomeconf, awesomeconf->resize_hints);
 138         }
 139         else
 140         {                       /* tile window */
 141             if(real_ncol)
 142                 win_by_col = otherwin / real_ncol;
 143
 144             if((i - awesomeconf->nmaster) && (i - awesomeconf->nmaster) % win_by_col == 0 && current_col < real_ncol - 1)
 145                 current_col++;
 146
 147             if(current_col == real_ncol - 1)
 148                 win_by_col += otherwin % real_ncol;
 149
 150             if(otherwin <= real_ncol)
 151                 nh = wah - 2 * c->border;
 152             else
 153                 nh = (wah / win_by_col) - 2 * c->border;
 154
 155             nw = (waw - mw) / real_ncol - 2 * c->border;
 156
 157             if(i == awesomeconf->nmaster || otherwin <= real_ncol || (i - awesomeconf->nmaster) % win_by_col == 0)
 158                 ny = way;
 159             else
 160                 ny = way + ((i - awesomeconf->nmaster) % win_by_col) * (nh + 2 * c->border);
 161
 162             nx = wax + current_col * (nw + 2 * c->border) + (right ? mw : 0);
 163             resize(c, nx, ny, nw, nh, awesomeconf, awesomeconf->resize_hints);
 164         }
 165         i++;
 166     }
 167     XFree(screens_info);
 168 }
 169
 170 void
 171 layout_tile(awesome_config *awesomeconf)
 172 {
 173     _tile(awesomeconf, True);
 174 }
 175
 176 void
 177 layout_tileleft(awesome_config *awesomeconf)
 178 {
 179     _tile(awesomeconf, False);
 180 }
 181 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99