uicb.c

   1 /*
   2  * uicb.c - user interface callbacks management
   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 "awesome.h"
  23 #include "xutil.h"
  24 #include "tag.h"
  25 #include "mouse.h"
  26 #include "statusbar.h"
  27 #include "widget.h"
  28 #include "focus.h"
  29 #include "client.h"
  30 #include "screen.h"
  31 #include "layouts/tile.h"
  32
  33 extern AwesomeConf globalconf;
  34
  35 #include "uicbgen.h"
  36
  37 static int
  38 run_uicb(char *cmd)
  39 {
  40     char *p, *argcpy;
  41     const char *arg;
  42     int screen;
  43     ssize_t len;
  44     Uicb *uicb;
  45
  46     len = a_strlen(cmd);
  47     p = strtok(cmd, " ");
  48     if (!p)
  49     {
  50         warn("Ignoring malformed command\n");
  51         return -1;
  52     }
  53     screen = atoi(cmd);
  54     if(screen >= globalconf.nscreen || screen < 0)
  55     {
  56         warn("Invalid screen specified: %i\n", screen);
  57         return -1;
  58     }
  59
  60     p = strtok(NULL, " ");
  61     if (!p)
  62     {
  63         warn("Ignoring malformed command.\n");
  64         return -1;
  65     }
  66
  67     uicb = name_func_lookup(p, UicbList);
  68     if (!uicb)
  69     {
  70         warn("Unknown UICB function: %s.\n", p);
  71         return -1;
  72     }
  73
  74     if (p + a_strlen(p) < cmd + len)
  75     {
  76         arg = p + a_strlen(p) + 1;
  77         len = a_strlen(arg);
  78         /* Allow our callees to modify this string. */
  79         argcpy = p_new(char, len + 1);
  80         a_strncpy(argcpy, len + 1,  arg, len);
  81         uicb(screen, argcpy);
  82         p_delete(&argcpy);
  83     }
  84     else
  85         uicb(screen, NULL);
  86
  87     return 0;
  88 }
  89
  90 int
  91 parse_control(char *cmd)
  92 {
  93     char *p, *curcmd = cmd;
  94
  95     if(!a_strlen(cmd))
  96         return -1;
  97
  98     while((p = strchr(curcmd, '\n')))
  99     {
 100         *p = '\0';
 101         run_uicb(curcmd);
 102         curcmd = p + 1;
 103     }
 104
 105     return 0;
 106 }
 107
 108 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80