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