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 /**
  23  * @defgroup ui_callback User Interface Callbacks
  24  */
  25
  26 #include "awesome.h"
  27 #include "xutil.h"
  28 #include "tag.h"
  29 #include "mouse.h"
  30 #include "statusbar.h"
  31 #include "widget.h"
  32 #include "focus.h"
  33 #include "client.h"
  34 #include "screen.h"
  35 #include "layouts/tile.h"
  36
  37 extern AwesomeConf globalconf;
  38
  39 #include "uicbgen.h"
  40
  41 static int
  42 run_uicb(char *cmd)
  43 {
  44     char *p, *argcpy;
  45     const char *arg;
  46     int screen;
  47     ssize_t len;
  48     Uicb *uicb;
  49
  50     len = a_strlen(cmd);
  51     p = strtok(cmd, " ");
  52     if (!p)
  53     {
  54         warn("Ignoring malformed command\n");
  55         return -1;
  56     }
  57     screen = atoi(cmd);
  58     if(screen >= globalconf.nscreen || screen < 0)
  59     {
  60         warn("Invalid screen specified: %i\n", screen);
  61         return -1;
  62     }
  63
  64     p = strtok(NULL, " ");
  65     if (!p)
  66     {
  67         warn("Ignoring malformed command.\n");
  68         return -1;
  69     }
  70
  71     uicb = name_func_lookup(p, UicbList);
  72     if (!uicb)
  73     {
  74         warn("Unknown UICB function: %s.\n", p);
  75         return -1;
  76     }
  77
  78     if (p + a_strlen(p) < cmd + len)
  79     {
  80         arg = p + a_strlen(p) + 1;
  81         len = a_strlen(arg);
  82         /* Allow our callees to modify this string. */
  83         argcpy = p_new(char, len + 1);
  84         a_strncpy(argcpy, len + 1,  arg, len);
  85         uicb(screen, argcpy);
  86         p_delete(&argcpy);
  87     }
  88     else
  89         uicb(screen, NULL);
  90
  91     return 0;
  92 }
  93
  94 int
  95 parse_control(char *cmd)
  96 {
  97     char *p, *curcmd = cmd;
  98
  99     if(!a_strlen(cmd))
 100         return -1;
 101
 102     while((p = strchr(curcmd, '\n')))
 103     {
 104         *p = '\0';
 105         run_uicb(curcmd);
 106         curcmd = p + 1;
 107     }
 108
 109     return 0;
 110 }
 111
 112 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80