layouts/magnifier.c

   1 /*
   2  * magnifier.c - magnifier layout
   3  *
   4  * Copyright © 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 <math.h>
  23
  24 #include "client.h"
  25 #include "tag.h"
  26 #include "screen.h"
  27 #include "layouts/magnifier.h"
  28
  29 extern awesome_t globalconf;
  30
  31 void
  32 layout_magnifier(int screen)
  33 {
  34     int n = 0;
  35     client_t *c, *focus;
  36     tag_t **curtags = tags_get_current(screen);
  37     area_t geometry, area = screen_area_get(screen,
  38                                             &globalconf.screens[screen].wiboxes,
  39                                             &globalconf.screens[screen].padding,
  40                                             true);
  41
  42     focus = globalconf.screens[screen].client_focus;
  43
  44     /* Find parent of this window, if it has one. */
  45     if (!IS_TILED(focus, screen) && focus && focus->transient_for)
  46         do {
  47             focus = focus->transient_for;
  48         } while (focus->transient_for != NULL);
  49
  50     /* If focused window is not tiled, take the first one which is tiled. */
  51     if(!IS_TILED(focus, screen))
  52         for(focus = globalconf.clients; focus && !IS_TILED(focus, screen); focus = focus->next);
  53
  54     /* No windows is tiled, nothing to do. */
  55     if(!focus)
  56         goto bailout;
  57
  58     for(c = client_list_prev_cycle(&globalconf.clients, focus);
  59         c && c != focus;
  60         c = client_list_prev_cycle(&globalconf.clients, c))
  61         if(IS_TILED(c, screen) && c != focus)
  62             n++;
  63
  64     if(n)
  65     {
  66         geometry.width = area.width * sqrt(curtags[0]->mwfact);
  67         geometry.height = area.height *  sqrt(curtags[0]->mwfact);
  68         geometry.x = area.x + (area.width - geometry.width) / 2;
  69         geometry.y = area.y + (area.height - geometry.height) / 2;
  70     }
  71     else
  72     {
  73        /* No other clients. */
  74         geometry = area;
  75         geometry.width -= 2 * focus->border;
  76         geometry.height -= 2 * focus->border;
  77     }
  78     client_resize(focus, geometry, focus->honorsizehints);
  79     client_raise(focus);
  80
  81     /* bailout when there is only one window */
  82     if (!n)
  83         goto bailout;
  84
  85     geometry.x = area.x;
  86     geometry.y = area.y;
  87     geometry.height = area.height / n;
  88     geometry.width = area.width;
  89
  90     for(c = client_list_prev_cycle(&globalconf.clients, focus);
  91         c && c != focus;
  92         c = client_list_prev_cycle(&globalconf.clients, c))
  93         if(IS_TILED(c, screen) && c != focus)
  94         {
  95             geometry.height -= 2 * c->border;
  96             geometry.width -= 2 * c->border;
  97             client_resize(c, geometry, c->honorsizehints);
  98             geometry.height += 2 * c->border;
  99             geometry.width += 2 * c->border;
 100             geometry.y += geometry.height;
 101         }
 102
 103 bailout:
 104     p_delete(&curtags);
 105 }
 106 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80