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Annotation of src/usr.bin/tmux/cmd-unbind-key.c, Revision 1.25

1.25    ! nicm        1: /* $OpenBSD: cmd-unbind-key.c,v 1.24 2015/12/13 21:53:57 nicm Exp $ */
1.1       nicm        2:
                      3: /*
1.25    ! nicm        4:  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
1.1       nicm        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:
1.22      nicm       29: enum cmd_retval        cmd_unbind_key_exec(struct cmd *, struct cmd_q *);
                     30: enum cmd_retval        cmd_unbind_key_mode_table(struct cmd *, struct cmd_q *,
                     31:                    key_code);
1.1       nicm       32:
                     33: const struct cmd_entry cmd_unbind_key_entry = {
1.24      nicm       34:        .name = "unbind-key",
                     35:        .alias = "unbind",
                     36:
                     37:        .args = { "acnt:T:", 0, 1 },
                     38:        .usage = "[-acn] [-t mode-table] [-T key-table] key",
                     39:
                     40:        .flags = 0,
                     41:        .exec = cmd_unbind_key_exec
1.1       nicm       42: };
                     43:
1.15      nicm       44: enum cmd_retval
1.16      nicm       45: cmd_unbind_key_exec(struct cmd *self, struct cmd_q *cmdq)
1.1       nicm       46: {
1.21      nicm       47:        struct args     *args = self->args;
1.22      nicm       48:        key_code         key;
1.21      nicm       49:        const char      *tablename;
1.1       nicm       50:
1.13      nicm       51:        if (!args_has(args, 'a')) {
1.17      nicm       52:                if (args->argc != 1) {
                     53:                        cmdq_error(cmdq, "missing key");
                     54:                        return (CMD_RETURN_ERROR);
                     55:                }
1.13      nicm       56:                key = key_string_lookup_string(args->argv[0]);
1.23      nicm       57:                if (key == KEYC_NONE || key == KEYC_UNKNOWN) {
1.16      nicm       58:                        cmdq_error(cmdq, "unknown key: %s", args->argv[0]);
1.15      nicm       59:                        return (CMD_RETURN_ERROR);
1.13      nicm       60:                }
1.17      nicm       61:        } else {
                     62:                if (args->argc != 0) {
                     63:                        cmdq_error(cmdq, "key given with -a");
                     64:                        return (CMD_RETURN_ERROR);
                     65:                }
1.23      nicm       66:                key = KEYC_UNKNOWN;
1.17      nicm       67:        }
1.13      nicm       68:
                     69:        if (args_has(args, 't'))
1.19      nicm       70:                return (cmd_unbind_key_mode_table(self, cmdq, key));
1.13      nicm       71:
1.23      nicm       72:        if (key == KEYC_UNKNOWN) {
1.21      nicm       73:                tablename = args_get(args, 'T');
                     74:                if (tablename == NULL) {
                     75:                        key_bindings_remove_table("root");
                     76:                        key_bindings_remove_table("prefix");
                     77:                        return (CMD_RETURN_NORMAL);
1.8       nicm       78:                }
1.21      nicm       79:                if (key_bindings_get_table(tablename, 0) == NULL) {
                     80:                        cmdq_error(cmdq, "table %s doesn't exist", tablename);
                     81:                        return (CMD_RETURN_ERROR);
                     82:                }
                     83:                key_bindings_remove_table(tablename);
1.15      nicm       84:                return (CMD_RETURN_NORMAL);
1.9       nicm       85:        }
1.1       nicm       86:
1.21      nicm       87:        if (args_has(args, 'T')) {
                     88:                tablename = args_get(args, 'T');
                     89:                if (key_bindings_get_table(tablename, 0) == NULL) {
                     90:                        cmdq_error(cmdq, "table %s doesn't exist", tablename);
                     91:                        return (CMD_RETURN_ERROR);
                     92:                }
                     93:        } else if (args_has(args, 'n'))
                     94:                tablename = "root";
                     95:        else
                     96:                tablename = "prefix";
                     97:        key_bindings_remove(tablename, key);
1.15      nicm       98:        return (CMD_RETURN_NORMAL);
1.1       nicm       99: }
                    100:
1.15      nicm      101: enum cmd_retval
1.22      nicm      102: cmd_unbind_key_mode_table(struct cmd *self, struct cmd_q *cmdq, key_code key)
1.5       nicm      103: {
1.9       nicm      104:        struct args                     *args = self->args;
                    105:        const char                      *tablename;
1.5       nicm      106:        const struct mode_key_table     *mtab;
                    107:        struct mode_key_binding         *mbind, mtmp;
                    108:
1.9       nicm      109:        tablename = args_get(args, 't');
                    110:        if ((mtab = mode_key_findtable(tablename)) == NULL) {
1.16      nicm      111:                cmdq_error(cmdq, "unknown key table: %s", tablename);
1.15      nicm      112:                return (CMD_RETURN_ERROR);
1.13      nicm      113:        }
                    114:
1.23      nicm      115:        if (key == KEYC_UNKNOWN) {
1.13      nicm      116:                while (!RB_EMPTY(mtab->tree)) {
                    117:                        mbind = RB_ROOT(mtab->tree);
                    118:                        RB_REMOVE(mode_key_tree, mtab->tree, mbind);
1.14      nicm      119:                        free(mbind);
1.13      nicm      120:                }
1.15      nicm      121:                return (CMD_RETURN_NORMAL);
1.5       nicm      122:        }
                    123:
1.9       nicm      124:        mtmp.key = key;
                    125:        mtmp.mode = !!args_has(args, 'c');
1.12      nicm      126:        if ((mbind = RB_FIND(mode_key_tree, mtab->tree, &mtmp)) != NULL) {
                    127:                RB_REMOVE(mode_key_tree, mtab->tree, mbind);
1.14      nicm      128:                free(mbind);
1.5       nicm      129:        }
1.15      nicm      130:        return (CMD_RETURN_NORMAL);
1.1       nicm      131: }