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     Tag *curtag = get_current_tag(awesomeconf->tags, awesomeconf->ntags);
  36     Layout *curlay = curtag->layout;
  37
  38     if(!arg || (curlay->arrange != layout_tile && curlay->arrange != layout_tileleft))
  39         return;
  40
  41     if((curtag->nmaster = (int) compute_new_value_from_arg(arg, (double) curtag->nmaster)) < 0)
  42         curtag->nmaster = 0;
  43
  44     arrange(awesomeconf);
  45 }
  46
  47 void
  48 uicb_setncol(awesome_config *awesomeconf,
  49              const char * arg)
  50 {
  51     Tag *curtag = get_current_tag(awesomeconf->tags, awesomeconf->ntags);
  52     Layout *curlay = curtag->layout;
  53
  54     if(!arg || (curlay->arrange != layout_tile && curlay->arrange != layout_tileleft))
  55         return;
  56
  57     if((curtag->ncol = (int) compute_new_value_from_arg(arg, (double) curtag->ncol)) < 1)
  58         curtag->ncol = 1;
  59
  60     arrange(awesomeconf);
  61 }
  62
  63 void
  64 uicb_setmwfact(awesome_config * awesomeconf,
  65                const char *arg)
  66 {
  67     char *newarg;
  68     Tag *curtag = get_current_tag(awesomeconf->tags, awesomeconf->ntags);
  69     Layout *curlay = curtag->layout;
  70
  71     if(!arg || (curlay->arrange != layout_tile && curlay->arrange != layout_tileleft))
  72         return;
  73
  74     newarg = a_strdup(arg);
  75     if(curlay->arrange == layout_tileleft)
  76     {
  77         if(newarg[0] == '+')
  78             newarg[0] = '-';
  79         else if(arg[0] == '-')
  80             newarg[0] = '+';
  81     }
  82
  83     if((curtag->mwfact = compute_new_value_from_arg(newarg, curtag->mwfact)) < 0.1)
  84         curtag->mwfact = 0.1;
  85     else if(curtag->mwfact > 0.9)
  86         curtag->mwfact = 0.9;
  87
  88     arrange(awesomeconf);
  89     p_delete(&newarg);
  90 }
  91
  92 static void
  93 _tile(awesome_config *awesomeconf, const Bool right)
  94 {
  95     /* windows area geometry */
  96     int wah = 0, waw = 0, wax = 0, way = 0;
  97     /* new coordinates */
  98     unsigned int nx, ny, nw, nh;
  99     /* master size */
 100     unsigned int mw = 0, mh = 0;
 101     int n, i, masterwin = 0, otherwin = 0;
 102     int real_ncol = 1, win_by_col = 1, current_col = 0;
 103     ScreenInfo *screens_info = NULL;
 104     Client *c;
 105     Tag *curtag = get_current_tag(awesomeconf->tags, awesomeconf->ntags);
 106
 107     screens_info = get_screen_info(awesomeconf->display, awesomeconf->screen, &awesomeconf->statusbar);
 108
 109     for(n = 0, c = *awesomeconf->clients; c; c = c->next)
 110         if(IS_TILED(c, awesomeconf->screen, awesomeconf->tags, awesomeconf->ntags))
 111             n++;
 112
 113     wah = screens_info[awesomeconf->screen].height;
 114     waw = screens_info[awesomeconf->screen].width;
 115     wax = screens_info[awesomeconf->screen].x_org;
 116     way = screens_info[awesomeconf->screen].y_org;
 117
 118     masterwin = MIN(n, curtag->nmaster);
 119
 120     otherwin = n - masterwin;
 121
 122     if(otherwin < 0)
 123         otherwin = 0;
 124
 125     if(curtag->nmaster)
 126     {
 127         mh = masterwin ? wah / masterwin : waw;
 128         mw = otherwin ? waw * curtag->mwfact : waw;
 129     }
 130     else
 131         mh = mw = 0;
 132
 133     real_ncol = MIN(otherwin, curtag->ncol);
 134
 135     for(i = 0, c = *awesomeconf->clients; c; c = c->next)
 136     {
 137         if(!IS_TILED(c, awesomeconf->screen, awesomeconf->tags, awesomeconf->ntags))
 138             continue;
 139
 140         c->ismax = False;
 141         if(i < curtag->nmaster)
 142         {                       /* master */
 143             ny = way + i * mh;
 144             nx = wax + (right ? 0 : waw - mw);
 145             client_resize(c, nx, ny, mw - 2 * c->border, mh - 2 * c->border, awesomeconf, awesomeconf->resize_hints, False);
 146         }
 147         else
 148         {                       /* tile window */
 149             if(real_ncol)
 150                 win_by_col = otherwin / real_ncol;
 151
 152             if((i - curtag->nmaster) && (i - curtag->nmaster) % win_by_col == 0 && current_col < real_ncol - 1)
 153                 current_col++;
 154
 155             if(current_col == real_ncol - 1)
 156                 win_by_col += otherwin % real_ncol;
 157
 158             if(otherwin <= real_ncol)
 159                 nh = wah - 2 * c->border;
 160             else
 161                 nh = (wah / win_by_col) - 2 * c->border;
 162
 163             nw = (waw - mw) / real_ncol - 2 * c->border;
 164
 165             if(i == curtag->nmaster || otherwin <= real_ncol || (i - curtag->nmaster) % win_by_col == 0)
 166                 ny = way;
 167             else
 168                 ny = way + ((i - curtag->nmaster) % win_by_col) * (nh + 2 * c->border);
 169
 170             nx = wax + current_col * (nw + 2 * c->border) + (right ? mw : 0);
 171             client_resize(c, nx, ny, nw, nh, awesomeconf, awesomeconf->resize_hints, False);
 172         }
 173         i++;
 174     }
 175     p_delete(&screens_info);
 176 }
 177
 178 void
 179 layout_tile(awesome_config *awesomeconf)
 180 {
 181     _tile(awesomeconf, True);
 182 }
 183
 184 void
 185 layout_tileleft(awesome_config *awesomeconf)
 186 {
 187     _tile(awesomeconf, False);
 188 }
 189 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99