Annotation of src/usr.bin/tmux/cmd-list-keys.c, Revision 1.28
1.28 ! nicm 1: /* $OpenBSD: cmd-list-keys.c,v 1.27 2015/10/26 22:03:04 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:
1.3 nicm 21: #include <string.h>
22:
1.1 nicm 23: #include "tmux.h"
24:
25: /*
26: * List key bindings.
27: */
28:
1.21 nicm 29: enum cmd_retval cmd_list_keys_exec(struct cmd *, struct cmd_q *);
1.24 nicm 30:
1.21 nicm 31: enum cmd_retval cmd_list_keys_table(struct cmd *, struct cmd_q *);
1.24 nicm 32: enum cmd_retval cmd_list_keys_commands(struct cmd *, struct cmd_q *);
1.6 nicm 33:
1.1 nicm 34: const struct cmd_entry cmd_list_keys_entry = {
35: "list-keys", "lsk",
1.26 nicm 36: "t:T:", 0, 0,
37: "[-t mode-table] [-T key-table]",
1.13 nicm 38: 0,
39: cmd_list_keys_exec
1.1 nicm 40: };
41:
1.24 nicm 42: const struct cmd_entry cmd_list_commands_entry = {
43: "list-commands", "lscm",
44: "", 0, 0,
45: "",
46: 0,
47: cmd_list_keys_exec
48: };
49:
1.18 nicm 50: enum cmd_retval
1.21 nicm 51: cmd_list_keys_exec(struct cmd *self, struct cmd_q *cmdq)
1.1 nicm 52: {
1.13 nicm 53: struct args *args = self->args;
1.26 nicm 54: struct key_table *table;
1.1 nicm 55: struct key_binding *bd;
1.26 nicm 56: const char *key, *tablename, *r;
57: char tmp[BUFSIZ];
1.8 nicm 58: size_t used;
1.26 nicm 59: int repeat, width, tablewidth, keywidth;
1.28 ! nicm 60: u_int i;
1.3 nicm 61:
1.24 nicm 62: if (self->entry == &cmd_list_commands_entry)
63: return (cmd_list_keys_commands(self, cmdq));
64:
1.13 nicm 65: if (args_has(args, 't'))
1.21 nicm 66: return (cmd_list_keys_table(self, cmdq));
1.6 nicm 67:
1.26 nicm 68: tablename = args_get(args, 'T');
69: if (tablename != NULL && key_bindings_get_table(tablename, 0) == NULL) {
70: cmdq_error(cmdq, "table %s doesn't exist", tablename);
71: return (CMD_RETURN_ERROR);
72: }
1.15 nicm 73:
1.26 nicm 74: repeat = 0;
75: tablewidth = keywidth = 0;
76: RB_FOREACH(table, key_tables, &key_tables) {
77: if (tablename != NULL && strcmp(table->name, tablename) != 0)
1.3 nicm 78: continue;
1.26 nicm 79: RB_FOREACH(bd, key_bindings, &table->key_bindings) {
80: key = key_string_lookup_key(bd->key);
1.3 nicm 81:
1.14 nicm 82: if (bd->can_repeat)
1.26 nicm 83: repeat = 1;
84:
85: width = strlen(table->name);
86: if (width > tablewidth)
1.28 ! nicm 87: tablewidth = width;
! 88: width = utf8_cstrwidth(key);
1.26 nicm 89: if (width > keywidth)
90: keywidth = width;
91: }
1.3 nicm 92: }
93:
1.26 nicm 94: RB_FOREACH(table, key_tables, &key_tables) {
95: if (tablename != NULL && strcmp(table->name, tablename) != 0)
1.1 nicm 96: continue;
1.26 nicm 97: RB_FOREACH(bd, key_bindings, &table->key_bindings) {
98: key = key_string_lookup_key(bd->key);
99:
100: if (!repeat)
101: r = "";
102: else if (bd->can_repeat)
103: r = "-r ";
1.14 nicm 104: else
1.26 nicm 105: r = " ";
1.28 ! nicm 106: used = xsnprintf(tmp, sizeof tmp, "%s-T %-*s %s", r,
! 107: (int)tablewidth, table->name, key);
! 108: for (i = 0; i < keywidth - utf8_cstrwidth(key); i++) {
! 109: if (strlcat(tmp, " ", sizeof tmp) < sizeof tmp)
! 110: used++;
! 111: }
1.26 nicm 112: if (used < sizeof tmp) {
113: cmd_list_print(bd->cmdlist, tmp + used,
114: (sizeof tmp) - used);
115: }
1.1 nicm 116:
1.26 nicm 117: cmdq_print(cmdq, "bind-key %s", tmp);
118: }
1.6 nicm 119: }
120:
1.18 nicm 121: return (CMD_RETURN_NORMAL);
1.6 nicm 122: }
123:
1.19 nicm 124: enum cmd_retval
1.21 nicm 125: cmd_list_keys_table(struct cmd *self, struct cmd_q *cmdq)
1.6 nicm 126: {
1.13 nicm 127: struct args *args = self->args;
128: const char *tablename;
1.6 nicm 129: const struct mode_key_table *mtab;
130: struct mode_key_binding *mbind;
131: const char *key, *cmdstr, *mode;
1.14 nicm 132: int width, keywidth, any_mode;
1.6 nicm 133:
1.13 nicm 134: tablename = args_get(args, 't');
135: if ((mtab = mode_key_findtable(tablename)) == NULL) {
1.21 nicm 136: cmdq_error(cmdq, "unknown key table: %s", tablename);
1.18 nicm 137: return (CMD_RETURN_ERROR);
1.6 nicm 138: }
139:
140: width = 0;
1.14 nicm 141: any_mode = 0;
1.17 nicm 142: RB_FOREACH(mbind, mode_key_tree, mtab->tree) {
1.6 nicm 143: key = key_string_lookup_key(mbind->key);
144:
1.14 nicm 145: if (mbind->mode != 0)
146: any_mode = 1;
147:
148: keywidth = strlen(key);
1.6 nicm 149: if (keywidth > width)
150: width = keywidth;
151: }
152:
1.17 nicm 153: RB_FOREACH(mbind, mode_key_tree, mtab->tree) {
1.6 nicm 154: key = key_string_lookup_key(mbind->key);
155:
156: mode = "";
157: if (mbind->mode != 0)
1.14 nicm 158: mode = "c";
1.6 nicm 159: cmdstr = mode_key_tostring(mtab->cmdstr, mbind->cmd);
1.14 nicm 160: if (cmdstr != NULL) {
1.21 nicm 161: cmdq_print(cmdq, "bind-key -%st %s%s %*s %s%s%s%s",
1.14 nicm 162: mode, any_mode && *mode == '\0' ? " " : "",
1.20 nicm 163: mtab->name, (int) width, key, cmdstr,
164: mbind->arg != NULL ? " \"" : "",
165: mbind->arg != NULL ? mbind->arg : "",
166: mbind->arg != NULL ? "\"": "");
1.14 nicm 167: }
1.24 nicm 168: }
169:
170: return (CMD_RETURN_NORMAL);
171: }
172:
173: enum cmd_retval
174: cmd_list_keys_commands(unused struct cmd *self, struct cmd_q *cmdq)
175: {
176: const struct cmd_entry **entryp;
1.25 nicm 177: const struct cmd_entry *entry;
1.24 nicm 178:
179: for (entryp = cmd_table; *entryp != NULL; entryp++) {
180: entry = *entryp;
181: if (entry->alias == NULL) {
182: cmdq_print(cmdq, "%s %s", entry->name, entry->usage);
183: continue;
184: }
185: cmdq_print(cmdq, "%s (%s) %s", entry->name, entry->alias,
186: entry->usage);
1.1 nicm 187: }
188:
1.18 nicm 189: return (CMD_RETURN_NORMAL);
1.1 nicm 190: }
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