cmd-bind-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 #include <string.h>
  23
  24 #include "tmux.h"
  25
  26 /*
  27  * Bind a key to a command.
  28  */
  29
  30 static enum args_parse_type     cmd_bind_key_args_parse(struct args *, u_int,
  31                                     char **);
  32 static enum cmd_retval          cmd_bind_key_exec(struct cmd *,
  33                                     struct cmdq_item *);
  34
  35 const struct cmd_entry cmd_bind_key_entry = {
  36         .name = "bind-key",
  37         .alias = "bind",
  38
  39         .args = { "nrN:T:", 1, -1, cmd_bind_key_args_parse },
  40         .usage = "[-nr] [-T key-table] [-N note] key "
  41                  "[command [arguments]]",
  42
  43         .flags = CMD_AFTERHOOK,
  44         .exec = cmd_bind_key_exec
  45 };
  46
  47 static enum args_parse_type
  48 cmd_bind_key_args_parse(__unused struct args *args, __unused u_int idx,
  49     __unused char **cause)
  50 {
  51         return (ARGS_PARSE_COMMANDS_OR_STRING);
  52 }
  53
  54 static enum cmd_retval
  55 cmd_bind_key_exec(struct cmd *self, struct cmdq_item *item)
  56 {
  57         struct args              *args = cmd_get_args(self);
  58         key_code                  key;
  59         const char               *tablename, *note = args_get(args, 'N');
  60         struct cmd_parse_result  *pr;
  61         int                       repeat;
  62         struct args_value        *value;
  63         u_int                     count = args_count(args);
  64
  65         key = key_string_lookup_string(args_string(args, 0));
  66         if (key == KEYC_NONE || key == KEYC_UNKNOWN) {
  67                 cmdq_error(item, "unknown key: %s", args_string(args, 0));
  68                 return (CMD_RETURN_ERROR);
  69         }
  70
  71         if (args_has(args, 'T'))
  72                 tablename = args_get(args, 'T');
  73         else if (args_has(args, 'n'))
  74                 tablename = "root";
  75         else
  76                 tablename = "prefix";
  77         repeat = args_has(args, 'r');
  78
  79         if (count == 1) {
  80                 key_bindings_add(tablename, key, note, repeat, NULL);
  81                 return (CMD_RETURN_NORMAL);
  82         }
  83
  84         value = args_value(args, 1);
  85         if (count == 2 && value->type == ARGS_COMMANDS) {
  86                 key_bindings_add(tablename, key, note, repeat, value->cmdlist);
  87                 value->cmdlist->references++;
  88                 return (CMD_RETURN_NORMAL);
  89         }
  90
  91         if (count == 2)
  92                 pr = cmd_parse_from_string(args_string(args, 1), NULL);
  93         else {
  94                 pr = cmd_parse_from_arguments(args_values(args) + 1, count - 1,
  95                     NULL);
  96         }
  97         switch (pr->status) {
  98         case CMD_PARSE_ERROR:
  99                 cmdq_error(item, "%s", pr->error);
 100                 free(pr->error);
 101                 return (CMD_RETURN_ERROR);
 102         case CMD_PARSE_SUCCESS:
 103                 break;
 104         }
 105         key_bindings_add(tablename, key, note, repeat, pr->cmdlist);
 106         return (CMD_RETURN_NORMAL);
 107 }