cmd-unbind-key.c

   1 /* $OpenBSD$ */
   2
   3 /*
   4  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
   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 "tmux.h"
  22
  23 /*
  24  * Unbind key from command.
  25  */
  26
  27 int     cmd_unbind_key_check(struct args *);
  28 int     cmd_unbind_key_exec(struct cmd *, struct cmd_ctx *);
  29
  30 int     cmd_unbind_key_table(struct cmd *, struct cmd_ctx *, int);
  31
  32 const struct cmd_entry cmd_unbind_key_entry = {
  33         "unbind-key", "unbind",
  34         "acnt:", 0, 1,
  35         "[-acn] [-t key-table] key",
  36         0,
  37         NULL,
  38         cmd_unbind_key_check,
  39         cmd_unbind_key_exec
  40 };
  41
  42 int
  43 cmd_unbind_key_check(struct args *args)
  44 {
  45         if (args_has(args, 'a') && (args->argc != 0 || args_has(args, 't')))
  46             return (-1);
  47         if (!args_has(args, 'a') && args->argc != 1)
  48                 return (-1);
  49         return (0);
  50 }
  51
  52 int
  53 cmd_unbind_key_exec(struct cmd *self, unused struct cmd_ctx *ctx)
  54 {
  55         struct args             *args = self->args;
  56         struct key_binding      *bd;
  57         int                      key;
  58
  59         if (args_has(args, 'a')) {
  60                 while (!SPLAY_EMPTY(&key_bindings)) {
  61                         bd = SPLAY_ROOT(&key_bindings);
  62                         SPLAY_REMOVE(key_bindings, &key_bindings, bd);
  63                         cmd_list_free(bd->cmdlist);
  64                         xfree(bd);
  65                 }
  66                 return (0);
  67         }
  68
  69         key = key_string_lookup_string(args->argv[0]);
  70         if (key == KEYC_NONE) {
  71                 ctx->error(ctx, "unknown key: %s", args->argv[0]);
  72                 return (-1);
  73         }
  74
  75         if (args_has(args, 't'))
  76                 return (cmd_unbind_key_table(self, ctx, key));
  77
  78         if (!args_has(args, 'n'))
  79                 key |= KEYC_PREFIX;
  80         key_bindings_remove(key);
  81         return (0);
  82 }
  83
  84 int
  85 cmd_unbind_key_table(struct cmd *self, struct cmd_ctx *ctx, int key)
  86 {
  87         struct args                     *args = self->args;
  88         const char                      *tablename;
  89         const struct mode_key_table     *mtab;
  90         struct mode_key_binding         *mbind, mtmp;
  91
  92         tablename = args_get(args, 't');
  93         if ((mtab = mode_key_findtable(tablename)) == NULL) {
  94                 ctx->error(ctx, "unknown key table: %s", tablename);
  95                 return (-1);
  96         }
  97
  98         mtmp.key = key;
  99         mtmp.mode = !!args_has(args, 'c');
 100         if ((mbind = SPLAY_FIND(mode_key_tree, mtab->tree, &mtmp)) != NULL) {
 101                 SPLAY_REMOVE(mode_key_tree, mtab->tree, mbind);
 102                 xfree(mbind);
 103         }
 104         return (0);
 105 }