banning.c

   1 /*
   2  * banning.c - client banning management
   3  *
   4  * Copyright © 2007-2009 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 "banning.h"
  23 #include "objects/tag.h"
  24 #include "screen.h"
  25
  26 /** Reban windows following current selected tags.
  27  * \param screen The screen to arrange.
  28  */
  29 void
  30 banning_need_update(screen_t *screen)
  31 {
  32     /* We update the complete banning only once per main loop to avoid
  33      * excessive updates...  */
  34     screen->need_lazy_banning = true;
  35
  36     /* But if a client will be banned in our next update we unfocus it now. */
  37     foreach(_c, globalconf.clients)
  38     {
  39         client_t *c = *_c;
  40
  41         /* we don't touch other screens windows */
  42         if(!client_isvisible(c, screen) && c->screen == screen)
  43             client_ban_unfocus(c);
  44     }
  45 }
  46
  47 static void
  48 reban(screen_t *screen)
  49 {
  50     if (!screen->need_lazy_banning)
  51         return;
  52
  53     screen->need_lazy_banning = false;
  54
  55     client_ignore_enterleave_events();
  56
  57     foreach(c, globalconf.clients)
  58         if(client_isvisible(*c, screen))
  59             client_unban(*c);
  60
  61     /* Some people disliked the short flicker of background, so we first unban everything.
  62      * Afterwards we ban everything we don't want. This should avoid that. */
  63     foreach(c, globalconf.clients)
  64         /* we don't touch other screens windows */
  65         if(!client_isvisible(*c, screen) && (*c)->screen == screen)
  66             client_ban(*c);
  67
  68     client_restore_enterleave_events();
  69 }
  70
  71 /** Check all screens if they need to rebanned
  72  */
  73 void
  74 banning_refresh(void)
  75 {
  76     foreach(screen, globalconf.screens)
  77         reban(screen);
  78 }
  79
  80 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80