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 "util.h"
  24 #include "xutil.h"
  25 #include "tag.h"
  26 #include "mouse.h"
  27 #include "statusbar.h"
  28 #include "widget.h"
  29 #include "focus.h"
  30 #include "client.h"
  31 #include "screen.h"
  32 #include "layouts/tile.h"
  33
  34 extern AwesomeConf globalconf;
  35
  36 const NameFuncLink UicbList[] =
  37 {
  38     /* xutil.c */
  39     {"spawn", uicb_spawn},
  40     {"exec", uicb_exec},
  41     /* client.c */
  42     {"client_kill", uicb_client_kill},
  43     {"client_moveresize", uicb_client_moveresize},
  44     {"client_settrans", uicb_client_settrans},
  45     {"client_swapnext", uicb_client_swapnext},
  46     {"client_swapprev", uicb_client_swapprev},
  47     /* tag.c */
  48     {"client_tag", uicb_client_tag},
  49     {"client_togglefloating", uicb_client_togglefloating},
  50     {"tag_toggleview", uicb_tag_toggleview},
  51     {"client_toggletag", uicb_client_toggletag},
  52     {"tag_view", uicb_tag_view},
  53     {"tag_viewprev_selected", uicb_tag_prev_selected},
  54     {"tag_viewprev", uicb_tag_viewprev},
  55     {"tag_viewnext", uicb_tag_viewnext},
  56     {"tag_create", uicb_tag_create},
  57     /* layout.c */
  58     {"tag_setlayout", uicb_tag_setlayout},
  59     {"client_focusnext", uicb_client_focusnext},
  60     {"client_focusprev", uicb_client_focusprev},
  61     {"client_togglemax", uicb_client_togglemax},
  62     {"client_toggleverticalmax", uicb_client_toggleverticalmax},
  63     {"client_togglehorizontalmax", uicb_client_togglehorizontalmax},
  64     {"client_zoom", uicb_client_zoom},
  65     /* layouts/tile.c */
  66     {"tag_setmwfact", uicb_tag_setmwfact},
  67     {"tag_setnmaster", uicb_tag_setnmaster},
  68     {"tag_setncol", uicb_tag_setncol},
  69     /* screen.c */
  70     {"screen_focus", uicb_screen_focus},
  71     {"client_movetoscreen", uicb_client_movetoscreen},
  72     /* awesome.c */
  73     {"quit", uicb_quit},
  74     /* statusbar.c */
  75     {"statusbar_toggle", uicb_statusbar_toggle},
  76     /* mouse.c */
  77     {"client_movemouse", uicb_client_movemouse},
  78     {"client_resizemouse", uicb_client_resizemouse},
  79     /* focus.c */
  80     {"focus_history", uicb_focus_history},
  81     {"focus_client_byname", uicb_focus_client_byname},
  82     /* widgets.c */
  83     {"widget_tell", uicb_widget_tell},
  84     {NULL, NULL}
  85 };
  86
  87 static int
  88 run_uicb(char *cmd)
  89 {
  90     char *p, *argcpy;
  91     const char *arg;
  92     int screen;
  93     ssize_t len;
  94     Uicb *uicb;
  95
  96     len = a_strlen(cmd);
  97     p = strtok(cmd, " ");
  98     if (!p)
  99     {
 100         warn("Ignoring malformed command\n");
 101         return -1;
 102     }
 103     screen = atoi(cmd);
 104     if(screen >= globalconf.nscreens || screen < 0)
 105     {
 106         warn("Invalid screen specified: %i\n", screen);
 107         return -1;
 108     }
 109
 110     p = strtok(NULL, " ");
 111     if (!p)
 112     {
 113         warn("Ignoring malformed command.\n");
 114         return -1;
 115     }
 116
 117     uicb = name_func_lookup(p, UicbList);
 118     if (!uicb)
 119     {
 120         warn("Unknown UICB function: %s.\n", p);
 121         return -1;
 122     }
 123
 124     if (p + a_strlen(p) < cmd + len)
 125     {
 126         arg = p + a_strlen(p) + 1;
 127         len = a_strlen(arg);
 128         /* Allow our callees to modify this string. */
 129         argcpy = p_new(char, len + 1);
 130         a_strncpy(argcpy, len + 1,  arg, len);
 131         uicb(screen, argcpy);
 132         p_delete(&argcpy);
 133     }
 134     else
 135         uicb(screen, NULL);
 136
 137     return 0;
 138 }
 139
 140 int
 141 parse_control(char *cmd)
 142 {
 143     char *p, *curcmd = cmd;
 144
 145     if(!a_strlen(cmd))
 146         return -1;
 147
 148     while((p = strchr(curcmd, '\n')))
 149     {
 150         *p = '\0';
 151         run_uicb(curcmd);
 152         curcmd = p + 1;
 153     }
 154
 155     return 0;
 156 }
 157
 158 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80