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Annotation of src/usr.bin/tmux/cmd-unbind-key.c, Revision 1.23

1.23    ! nicm        1: /* $OpenBSD: cmd-unbind-key.c,v 1.22 2015/11/12 11:05:34 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:
1.22      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 = {
                     34:        "unbind-key", "unbind",
1.21      nicm       35:        "acnt:T:", 0, 1,
                     36:        "[-acn] [-t mode-table] [-T key-table] key",
1.9       nicm       37:        0,
                     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: {
1.21      nicm       44:        struct args     *args = self->args;
1.22      nicm       45:        key_code         key;
1.21      nicm       46:        const char      *tablename;
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:                }
1.13      nicm       53:                key = key_string_lookup_string(args->argv[0]);
1.23    ! nicm       54:                if (key == KEYC_NONE || key == KEYC_UNKNOWN) {
1.16      nicm       55:                        cmdq_error(cmdq, "unknown key: %s", args->argv[0]);
1.15      nicm       56:                        return (CMD_RETURN_ERROR);
1.13      nicm       57:                }
1.17      nicm       58:        } else {
                     59:                if (args->argc != 0) {
                     60:                        cmdq_error(cmdq, "key given with -a");
                     61:                        return (CMD_RETURN_ERROR);
                     62:                }
1.23    ! nicm       63:                key = KEYC_UNKNOWN;
1.17      nicm       64:        }
1.13      nicm       65:
                     66:        if (args_has(args, 't'))
1.19      nicm       67:                return (cmd_unbind_key_mode_table(self, cmdq, key));
1.13      nicm       68:
1.23    ! nicm       69:        if (key == KEYC_UNKNOWN) {
1.21      nicm       70:                tablename = args_get(args, 'T');
                     71:                if (tablename == NULL) {
                     72:                        key_bindings_remove_table("root");
                     73:                        key_bindings_remove_table("prefix");
                     74:                        return (CMD_RETURN_NORMAL);
1.8       nicm       75:                }
1.21      nicm       76:                if (key_bindings_get_table(tablename, 0) == NULL) {
                     77:                        cmdq_error(cmdq, "table %s doesn't exist", tablename);
                     78:                        return (CMD_RETURN_ERROR);
                     79:                }
                     80:                key_bindings_remove_table(tablename);
1.15      nicm       81:                return (CMD_RETURN_NORMAL);
1.9       nicm       82:        }
1.1       nicm       83:
1.21      nicm       84:        if (args_has(args, 'T')) {
                     85:                tablename = args_get(args, 'T');
                     86:                if (key_bindings_get_table(tablename, 0) == NULL) {
                     87:                        cmdq_error(cmdq, "table %s doesn't exist", tablename);
                     88:                        return (CMD_RETURN_ERROR);
                     89:                }
                     90:        } else if (args_has(args, 'n'))
                     91:                tablename = "root";
                     92:        else
                     93:                tablename = "prefix";
                     94:        key_bindings_remove(tablename, key);
1.15      nicm       95:        return (CMD_RETURN_NORMAL);
1.1       nicm       96: }
                     97:
1.15      nicm       98: enum cmd_retval
1.22      nicm       99: cmd_unbind_key_mode_table(struct cmd *self, struct cmd_q *cmdq, key_code key)
1.5       nicm      100: {
1.9       nicm      101:        struct args                     *args = self->args;
                    102:        const char                      *tablename;
1.5       nicm      103:        const struct mode_key_table     *mtab;
                    104:        struct mode_key_binding         *mbind, mtmp;
                    105:
1.9       nicm      106:        tablename = args_get(args, 't');
                    107:        if ((mtab = mode_key_findtable(tablename)) == NULL) {
1.16      nicm      108:                cmdq_error(cmdq, "unknown key table: %s", tablename);
1.15      nicm      109:                return (CMD_RETURN_ERROR);
1.13      nicm      110:        }
                    111:
1.23    ! nicm      112:        if (key == KEYC_UNKNOWN) {
1.13      nicm      113:                while (!RB_EMPTY(mtab->tree)) {
                    114:                        mbind = RB_ROOT(mtab->tree);
                    115:                        RB_REMOVE(mode_key_tree, mtab->tree, mbind);
1.14      nicm      116:                        free(mbind);
1.13      nicm      117:                }
1.15      nicm      118:                return (CMD_RETURN_NORMAL);
1.5       nicm      119:        }
                    120:
1.9       nicm      121:        mtmp.key = key;
                    122:        mtmp.mode = !!args_has(args, 'c');
1.12      nicm      123:        if ((mbind = RB_FIND(mode_key_tree, mtab->tree, &mtmp)) != NULL) {
                    124:                RB_REMOVE(mode_key_tree, mtab->tree, mbind);
1.14      nicm      125:                free(mbind);
1.5       nicm      126:        }
1.15      nicm      127:        return (CMD_RETURN_NORMAL);
1.1       nicm      128: }