cmd-unbind-key.c

   1 /* $OpenBSD$ */
   2
   3 /*
   4  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
   5  *
   6  * Permission to use, copy, modify, and distribute this software for any
   7  * purpose with or without fee is hereby granted, provided that the above
   8  * copyright notice and this permission notice appear in all copies.
   9  *
  10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  13  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  14  * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
  15  * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
  16  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  17  */
  18
  19 #include <sys/types.h>
  20
  21 #include <stdlib.h>
  22
  23 #include "tmux.h"
  24
  25 /*
  26  * Unbind key from command.
  27  */
  28
  29 static enum cmd_retval  cmd_unbind_key_exec(struct cmd *, struct cmdq_item *);
  30
  31 const struct cmd_entry cmd_unbind_key_entry = {
  32         .name = "unbind-key",
  33         .alias = "unbind",
  34
  35         .args = { "anqT:", 0, 1, NULL },
  36         .usage = "[-anq] [-T key-table] key",
  37
  38         .flags = CMD_AFTERHOOK,
  39         .exec = cmd_unbind_key_exec
  40 };
  41
  42 static enum cmd_retval
  43 cmd_unbind_key_exec(struct cmd *self, struct cmdq_item *item)
  44 {
  45         struct args     *args = cmd_get_args(self);
  46         key_code         key;
  47         const char      *tablename, *keystr = args_string(args, 0);
  48         int              quiet = args_has(args, 'q');
  49
  50         if (args_has(args, 'a')) {
  51                 if (keystr != NULL) {
  52                         if (!quiet)
  53                                 cmdq_error(item, "key given with -a");
  54                         return (CMD_RETURN_ERROR);
  55                 }
  56
  57                 tablename = args_get(args, 'T');
  58                 if (tablename == NULL) {
  59                         if (args_has(args, 'n'))
  60                                 tablename = "root";
  61                         else
  62                                 tablename = "prefix";
  63                 }
  64                 if (key_bindings_get_table(tablename, 0) == NULL) {
  65                         if (!quiet) {
  66                                 cmdq_error(item, "table %s doesn't exist" ,
  67                                     tablename);
  68                         }
  69                         return (CMD_RETURN_ERROR);
  70                 }
  71
  72                 key_bindings_remove_table(tablename);
  73                 return (CMD_RETURN_NORMAL);
  74         }
  75
  76         if (keystr == NULL) {
  77                 if (!quiet)
  78                         cmdq_error(item, "missing key");
  79                 return (CMD_RETURN_ERROR);
  80         }
  81
  82         key = key_string_lookup_string(keystr);
  83         if (key == KEYC_NONE || key == KEYC_UNKNOWN) {
  84                 if (!quiet)
  85                         cmdq_error(item, "unknown key: %s", keystr);
  86                 return (CMD_RETURN_ERROR);
  87         }
  88
  89         if (args_has(args, 'T')) {
  90                 tablename = args_get(args, 'T');
  91                 if (key_bindings_get_table(tablename, 0) == NULL) {
  92                         if (!quiet) {
  93                                 cmdq_error(item, "table %s doesn't exist" ,
  94                                     tablename);
  95                         }
  96                         return (CMD_RETURN_ERROR);
  97                 }
  98         } else if (args_has(args, 'n'))
  99                 tablename = "root";
 100         else
 101                 tablename = "prefix";
 102         key_bindings_remove(tablename, key);
 103         return (CMD_RETURN_NORMAL);
 104 }