Annotation of src/usr.bin/tmux/cmd-unbind-key.c, Revision 1.28
1.28 ! nicm 1: /* $OpenBSD: cmd-unbind-key.c,v 1.27 2016/10/12 14:50:14 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:
1.26 nicm 29: static enum cmd_retval cmd_unbind_key_exec(struct cmd *, struct cmd_q *);
30: static 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:
1.27 nicm 37: .args = { "ant:T:", 0, 1 },
38: .usage = "[-an] [-t mode-table] [-T key-table] key",
1.24 nicm 39:
1.28 ! nicm 40: .flags = CMD_AFTERHOOK,
1.24 nicm 41: .exec = cmd_unbind_key_exec
1.1 nicm 42: };
43:
1.26 nicm 44: static 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:
1.26 nicm 101: static 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;
1.12 nicm 125: if ((mbind = RB_FIND(mode_key_tree, mtab->tree, &mtmp)) != NULL) {
126: RB_REMOVE(mode_key_tree, mtab->tree, mbind);
1.14 nicm 127: free(mbind);
1.5 nicm 128: }
1.15 nicm 129: return (CMD_RETURN_NORMAL);
1.1 nicm 130: }