Annotation of src/usr.bin/tmux/cmd-list-keys.c, Revision 1.48
1.48 ! nicm 1: /* $OpenBSD: cmd-list-keys.c,v 1.47 2019/10/03 10:24:05 nicm Exp $ */
1.1 nicm 2:
3: /*
1.34 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:
1.29 nicm 21: #include <stdlib.h>
1.3 nicm 22: #include <string.h>
23:
1.1 nicm 24: #include "tmux.h"
25:
26: /*
27: * List key bindings.
28: */
29:
1.40 nicm 30: static enum cmd_retval cmd_list_keys_exec(struct cmd *, struct cmdq_item *);
1.24 nicm 31:
1.40 nicm 32: static enum cmd_retval cmd_list_keys_commands(struct cmd *,
33: struct cmdq_item *);
1.6 nicm 34:
1.1 nicm 35: const struct cmd_entry cmd_list_keys_entry = {
1.32 nicm 36: .name = "list-keys",
37: .alias = "lsk",
38:
1.41 nicm 39: .args = { "T:", 0, 0 },
40: .usage = "[-T key-table]",
1.32 nicm 41:
1.39 nicm 42: .flags = CMD_STARTSERVER|CMD_AFTERHOOK,
1.32 nicm 43: .exec = cmd_list_keys_exec
1.1 nicm 44: };
45:
1.24 nicm 46: const struct cmd_entry cmd_list_commands_entry = {
1.32 nicm 47: .name = "list-commands",
48: .alias = "lscm",
49:
1.35 nicm 50: .args = { "F:", 0, 0 },
51: .usage = "[-F format]",
1.32 nicm 52:
1.39 nicm 53: .flags = CMD_STARTSERVER|CMD_AFTERHOOK,
1.32 nicm 54: .exec = cmd_list_keys_exec
1.24 nicm 55: };
56:
1.35 nicm 57: static enum cmd_retval
1.40 nicm 58: cmd_list_keys_exec(struct cmd *self, struct cmdq_item *item)
1.1 nicm 59: {
1.13 nicm 60: struct args *args = self->args;
1.26 nicm 61: struct key_table *table;
1.1 nicm 62: struct key_binding *bd;
1.46 nicm 63: const char *tablename, *r;
1.48 ! nicm 64: char *key, *cp, *tmp;
1.26 nicm 65: int repeat, width, tablewidth, keywidth;
1.48 ! nicm 66: size_t tmpsize, tmpused, cplen;
1.3 nicm 67:
1.24 nicm 68: if (self->entry == &cmd_list_commands_entry)
1.40 nicm 69: return (cmd_list_keys_commands(self, item));
1.24 nicm 70:
1.26 nicm 71: tablename = args_get(args, 'T');
72: if (tablename != NULL && key_bindings_get_table(tablename, 0) == NULL) {
1.40 nicm 73: cmdq_error(item, "table %s doesn't exist", tablename);
1.26 nicm 74: return (CMD_RETURN_ERROR);
75: }
1.15 nicm 76:
1.26 nicm 77: repeat = 0;
78: tablewidth = keywidth = 0;
1.45 nicm 79: table = key_bindings_first_table ();
80: while (table != NULL) {
81: if (tablename != NULL && strcmp(table->name, tablename) != 0) {
82: table = key_bindings_next_table(table);
1.3 nicm 83: continue;
1.45 nicm 84: }
85: bd = key_bindings_first(table);
86: while (bd != NULL) {
1.46 nicm 87: key = args_escape(key_string_lookup_key(bd->key));
1.3 nicm 88:
1.43 nicm 89: if (bd->flags & KEY_BINDING_REPEAT)
1.26 nicm 90: repeat = 1;
91:
1.29 nicm 92: width = utf8_cstrwidth(table->name);
1.26 nicm 93: if (width > tablewidth)
1.28 nicm 94: tablewidth = width;
95: width = utf8_cstrwidth(key);
1.26 nicm 96: if (width > keywidth)
97: keywidth = width;
1.45 nicm 98:
1.46 nicm 99: free(key);
1.45 nicm 100: bd = key_bindings_next(table, bd);
1.26 nicm 101: }
1.45 nicm 102: table = key_bindings_next_table(table);
1.3 nicm 103: }
104:
1.48 ! nicm 105: tmpsize = 256;
! 106: tmp = xmalloc(tmpsize);
! 107:
1.45 nicm 108: table = key_bindings_first_table ();
109: while (table != NULL) {
110: if (tablename != NULL && strcmp(table->name, tablename) != 0) {
111: table = key_bindings_next_table(table);
1.1 nicm 112: continue;
1.45 nicm 113: }
114: bd = key_bindings_first(table);
115: while (bd != NULL) {
1.46 nicm 116: key = args_escape(key_string_lookup_key(bd->key));
1.26 nicm 117:
118: if (!repeat)
119: r = "";
1.43 nicm 120: else if (bd->flags & KEY_BINDING_REPEAT)
1.26 nicm 121: r = "-r ";
1.14 nicm 122: else
1.26 nicm 123: r = " ";
1.48 ! nicm 124: tmpused = xsnprintf(tmp, tmpsize, "%s-T ", r);
1.29 nicm 125:
126: cp = utf8_padcstr(table->name, tablewidth);
1.48 ! nicm 127: cplen = strlen(cp) + 1;
! 128: while (tmpused + cplen + 1>= tmpsize) {
! 129: tmpsize *= 2;
! 130: tmp = xrealloc(tmp, tmpsize);
! 131: }
! 132: tmpused = strlcat(tmp, cp, tmpsize);
! 133: tmpused = strlcat(tmp, " ", tmpsize);
1.29 nicm 134: free(cp);
135:
136: cp = utf8_padcstr(key, keywidth);
1.48 ! nicm 137: cplen = strlen(cp) + 1;
! 138: while (tmpused + cplen + 1 >= tmpsize) {
! 139: tmpsize *= 2;
! 140: tmp = xrealloc(tmp, tmpsize);
! 141: }
! 142: tmpused = strlcat(tmp, cp, tmpsize);
! 143: tmpused = strlcat(tmp, " ", tmpsize);
1.29 nicm 144: free(cp);
145:
1.46 nicm 146: cp = cmd_list_print(bd->cmdlist, 1);
1.48 ! nicm 147: cplen = strlen(cp);
! 148: while (tmpused + cplen + 1 >= tmpsize) {
! 149: tmpsize *= 2;
! 150: tmp = xrealloc(tmp, tmpsize);
! 151: }
! 152: strlcat(tmp, cp, tmpsize);
1.31 nicm 153: free(cp);
1.1 nicm 154:
1.40 nicm 155: cmdq_print(item, "bind-key %s", tmp);
1.46 nicm 156:
157: free(key);
1.45 nicm 158: bd = key_bindings_next(table, bd);
1.14 nicm 159: }
1.45 nicm 160: table = key_bindings_next_table(table);
1.24 nicm 161: }
1.48 ! nicm 162:
! 163: free(tmp);
1.24 nicm 164:
165: return (CMD_RETURN_NORMAL);
166: }
167:
1.35 nicm 168: static enum cmd_retval
1.40 nicm 169: cmd_list_keys_commands(struct cmd *self, struct cmdq_item *item)
1.24 nicm 170: {
1.35 nicm 171: struct args *args = self->args;
1.24 nicm 172: const struct cmd_entry **entryp;
1.25 nicm 173: const struct cmd_entry *entry;
1.35 nicm 174: struct format_tree *ft;
1.40 nicm 175: const char *template, *s;
1.35 nicm 176: char *line;
177:
178: if ((template = args_get(args, 'F')) == NULL) {
179: template = "#{command_list_name}"
180: "#{?command_list_alias, (#{command_list_alias}),} "
181: "#{command_list_usage}";
182: }
183:
1.44 nicm 184: ft = format_create(item->client, item, FORMAT_NONE, 0);
1.35 nicm 185: format_defaults(ft, NULL, NULL, NULL, NULL);
1.24 nicm 186:
187: for (entryp = cmd_table; *entryp != NULL; entryp++) {
188: entry = *entryp;
1.35 nicm 189:
190: format_add(ft, "command_list_name", "%s", entry->name);
1.40 nicm 191: if (entry->alias != NULL)
192: s = entry->alias;
193: else
194: s = "";
195: format_add(ft, "command_list_alias", "%s", s);
196: if (entry->usage != NULL)
197: s = entry->usage;
198: else
199: s = "";
200: format_add(ft, "command_list_usage", "%s", s);
1.35 nicm 201:
202: line = format_expand(ft, template);
203: if (*line != '\0')
1.40 nicm 204: cmdq_print(item, "%s", line);
1.35 nicm 205: free(line);
1.1 nicm 206: }
207:
1.35 nicm 208: format_free(ft);
1.18 nicm 209: return (CMD_RETURN_NORMAL);
1.1 nicm 210: }
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