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Annotation of src/usr.bin/tmux/cmd-unbind-key.c, Revision 1.17

1.17    ! nicm        1: /* $OpenBSD: cmd-unbind-key.c,v 1.16 2013/03/24 09:54:10 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 *);
                     30: enum cmd_retval         cmd_unbind_key_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,
1.8       nicm       35:        "[-acn] [-t key-table] key",
1.9       nicm       36:        0,
1.1       nicm       37:        NULL,
1.9       nicm       38:        cmd_unbind_key_exec
1.1       nicm       39: };
                     40:
1.15      nicm       41: enum cmd_retval
1.16      nicm       42: cmd_unbind_key_exec(struct cmd *self, struct cmd_q *cmdq)
1.1       nicm       43: {
1.9       nicm       44:        struct args             *args = self->args;
                     45:        struct key_binding      *bd;
                     46:        int                      key;
1.1       nicm       47:
1.13      nicm       48:        if (!args_has(args, 'a')) {
1.17    ! nicm       49:                if (args->argc != 1) {
        !            50:                        cmdq_error(cmdq, "missing key");
        !            51:                        return (CMD_RETURN_ERROR);
        !            52:                }
        !            53:                return (CMD_RETURN_ERROR);
1.13      nicm       54:                key = key_string_lookup_string(args->argv[0]);
                     55:                if (key == KEYC_NONE) {
1.16      nicm       56:                        cmdq_error(cmdq, "unknown key: %s", args->argv[0]);
1.15      nicm       57:                        return (CMD_RETURN_ERROR);
1.13      nicm       58:                }
1.17    ! nicm       59:        } else {
        !            60:                if (args->argc != 0) {
        !            61:                        cmdq_error(cmdq, "key given with -a");
        !            62:                        return (CMD_RETURN_ERROR);
        !            63:                }
1.13      nicm       64:                key = KEYC_NONE;
1.17    ! nicm       65:        }
1.13      nicm       66:
                     67:        if (args_has(args, 't'))
1.16      nicm       68:                return (cmd_unbind_key_table(self, cmdq, key));
1.13      nicm       69:
                     70:        if (key == KEYC_NONE) {
1.12      nicm       71:                while (!RB_EMPTY(&key_bindings)) {
                     72:                        bd = RB_ROOT(&key_bindings);
1.11      nicm       73:                        key_bindings_remove(bd->key);
1.8       nicm       74:                }
1.15      nicm       75:                return (CMD_RETURN_NORMAL);
1.9       nicm       76:        }
1.1       nicm       77:
1.9       nicm       78:        if (!args_has(args, 'n'))
                     79:                key |= KEYC_PREFIX;
                     80:        key_bindings_remove(key);
1.15      nicm       81:        return (CMD_RETURN_NORMAL);
1.1       nicm       82: }
                     83:
1.15      nicm       84: enum cmd_retval
1.16      nicm       85: cmd_unbind_key_table(struct cmd *self, struct cmd_q *cmdq, int key)
1.5       nicm       86: {
1.9       nicm       87:        struct args                     *args = self->args;
                     88:        const char                      *tablename;
1.5       nicm       89:        const struct mode_key_table     *mtab;
                     90:        struct mode_key_binding         *mbind, mtmp;
                     91:
1.9       nicm       92:        tablename = args_get(args, 't');
                     93:        if ((mtab = mode_key_findtable(tablename)) == NULL) {
1.16      nicm       94:                cmdq_error(cmdq, "unknown key table: %s", tablename);
1.15      nicm       95:                return (CMD_RETURN_ERROR);
1.13      nicm       96:        }
                     97:
                     98:        if (key == KEYC_NONE) {
                     99:                while (!RB_EMPTY(mtab->tree)) {
                    100:                        mbind = RB_ROOT(mtab->tree);
                    101:                        RB_REMOVE(mode_key_tree, mtab->tree, mbind);
1.14      nicm      102:                        free(mbind);
1.13      nicm      103:                }
1.15      nicm      104:                return (CMD_RETURN_NORMAL);
1.5       nicm      105:        }
                    106:
1.9       nicm      107:        mtmp.key = key;
                    108:        mtmp.mode = !!args_has(args, 'c');
1.12      nicm      109:        if ((mbind = RB_FIND(mode_key_tree, mtab->tree, &mtmp)) != NULL) {
                    110:                RB_REMOVE(mode_key_tree, mtab->tree, mbind);
1.14      nicm      111:                free(mbind);
1.5       nicm      112:        }
1.15      nicm      113:        return (CMD_RETURN_NORMAL);
1.1       nicm      114: }