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Annotation of src/usr.bin/tmux/cmd-unbind-key.c, Revision 1.20

1.20    ! nicm        1: /* $OpenBSD: cmd-unbind-key.c,v 1.19 2014/05/14 06:45:35 nicm Exp $ */
1.1       nicm        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:
1.14      nicm       21: #include <stdlib.h>
                     22:
1.1       nicm       23: #include "tmux.h"
                     24:
                     25: /*
                     26:  * Unbind key from command.
                     27:  */
                     28:
1.16      nicm       29: enum cmd_retval         cmd_unbind_key_exec(struct cmd *, struct cmd_q *);
1.19      nicm       30: enum cmd_retval         cmd_unbind_key_mode_table(struct cmd *, struct cmd_q *, int);
1.1       nicm       31:
                     32: const struct cmd_entry cmd_unbind_key_entry = {
                     33:        "unbind-key", "unbind",
1.10      nicm       34:        "acnt:", 0, 1,
1.19      nicm       35:        "[-acn] [-t mode-table] key",
1.9       nicm       36:        0,
                     37:        cmd_unbind_key_exec
1.1       nicm       38: };
                     39:
1.15      nicm       40: enum cmd_retval
1.16      nicm       41: cmd_unbind_key_exec(struct cmd *self, struct cmd_q *cmdq)
1.1       nicm       42: {
1.9       nicm       43:        struct args             *args = self->args;
                     44:        struct key_binding      *bd;
                     45:        int                      key;
1.1       nicm       46:
1.13      nicm       47:        if (!args_has(args, 'a')) {
1.17      nicm       48:                if (args->argc != 1) {
                     49:                        cmdq_error(cmdq, "missing key");
                     50:                        return (CMD_RETURN_ERROR);
                     51:                }
1.13      nicm       52:                key = key_string_lookup_string(args->argv[0]);
                     53:                if (key == KEYC_NONE) {
1.16      nicm       54:                        cmdq_error(cmdq, "unknown key: %s", args->argv[0]);
1.15      nicm       55:                        return (CMD_RETURN_ERROR);
1.13      nicm       56:                }
1.17      nicm       57:        } else {
                     58:                if (args->argc != 0) {
                     59:                        cmdq_error(cmdq, "key given with -a");
                     60:                        return (CMD_RETURN_ERROR);
                     61:                }
1.13      nicm       62:                key = KEYC_NONE;
1.17      nicm       63:        }
1.13      nicm       64:
                     65:        if (args_has(args, 't'))
1.19      nicm       66:                return (cmd_unbind_key_mode_table(self, cmdq, key));
1.13      nicm       67:
                     68:        if (key == KEYC_NONE) {
1.12      nicm       69:                while (!RB_EMPTY(&key_bindings)) {
                     70:                        bd = RB_ROOT(&key_bindings);
1.11      nicm       71:                        key_bindings_remove(bd->key);
1.8       nicm       72:                }
1.15      nicm       73:                return (CMD_RETURN_NORMAL);
1.9       nicm       74:        }
1.1       nicm       75:
1.9       nicm       76:        if (!args_has(args, 'n'))
                     77:                key |= KEYC_PREFIX;
                     78:        key_bindings_remove(key);
1.15      nicm       79:        return (CMD_RETURN_NORMAL);
1.1       nicm       80: }
                     81:
1.15      nicm       82: enum cmd_retval
1.19      nicm       83: cmd_unbind_key_mode_table(struct cmd *self, struct cmd_q *cmdq, int key)
1.5       nicm       84: {
1.9       nicm       85:        struct args                     *args = self->args;
                     86:        const char                      *tablename;
1.5       nicm       87:        const struct mode_key_table     *mtab;
                     88:        struct mode_key_binding         *mbind, mtmp;
                     89:
1.9       nicm       90:        tablename = args_get(args, 't');
                     91:        if ((mtab = mode_key_findtable(tablename)) == NULL) {
1.16      nicm       92:                cmdq_error(cmdq, "unknown key table: %s", tablename);
1.15      nicm       93:                return (CMD_RETURN_ERROR);
1.13      nicm       94:        }
                     95:
                     96:        if (key == KEYC_NONE) {
                     97:                while (!RB_EMPTY(mtab->tree)) {
                     98:                        mbind = RB_ROOT(mtab->tree);
                     99:                        RB_REMOVE(mode_key_tree, mtab->tree, mbind);
1.14      nicm      100:                        free(mbind);
1.13      nicm      101:                }
1.15      nicm      102:                return (CMD_RETURN_NORMAL);
1.5       nicm      103:        }
                    104:
1.9       nicm      105:        mtmp.key = key;
                    106:        mtmp.mode = !!args_has(args, 'c');
1.12      nicm      107:        if ((mbind = RB_FIND(mode_key_tree, mtab->tree, &mtmp)) != NULL) {
                    108:                RB_REMOVE(mode_key_tree, mtab->tree, mbind);
1.14      nicm      109:                free(mbind);
1.5       nicm      110:        }
1.15      nicm      111:        return (CMD_RETURN_NORMAL);
1.1       nicm      112: }