Annotation of embedaddon/tmux/cmd-list-keys.c, revision 1.1.1.1
1.1 misho 1: /* $OpenBSD$ */
2:
3: /*
4: * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
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:
21: #include <stdlib.h>
22: #include <string.h>
23:
24: #include "tmux.h"
25:
26: /*
27: * List key bindings.
28: */
29:
30: static enum cmd_retval cmd_list_keys_exec(struct cmd *, struct cmdq_item *);
31:
32: static enum cmd_retval cmd_list_keys_commands(struct cmd *,
33: struct cmdq_item *);
34:
35: const struct cmd_entry cmd_list_keys_entry = {
36: .name = "list-keys",
37: .alias = "lsk",
38:
39: .args = { "T:", 0, 0 },
40: .usage = "[-T key-table]",
41:
42: .flags = CMD_STARTSERVER|CMD_AFTERHOOK,
43: .exec = cmd_list_keys_exec
44: };
45:
46: const struct cmd_entry cmd_list_commands_entry = {
47: .name = "list-commands",
48: .alias = "lscm",
49:
50: .args = { "F:", 0, 0 },
51: .usage = "[-F format]",
52:
53: .flags = CMD_STARTSERVER|CMD_AFTERHOOK,
54: .exec = cmd_list_keys_exec
55: };
56:
57: static enum cmd_retval
58: cmd_list_keys_exec(struct cmd *self, struct cmdq_item *item)
59: {
60: struct args *args = self->args;
61: struct key_table *table;
62: struct key_binding *bd;
63: const char *key, *tablename, *r;
64: char *cp, tmp[BUFSIZ];
65: int repeat, width, tablewidth, keywidth;
66:
67: if (self->entry == &cmd_list_commands_entry)
68: return (cmd_list_keys_commands(self, item));
69:
70: tablename = args_get(args, 'T');
71: if (tablename != NULL && key_bindings_get_table(tablename, 0) == NULL) {
72: cmdq_error(item, "table %s doesn't exist", tablename);
73: return (CMD_RETURN_ERROR);
74: }
75:
76: repeat = 0;
77: tablewidth = keywidth = 0;
78: RB_FOREACH(table, key_tables, &key_tables) {
79: if (tablename != NULL && strcmp(table->name, tablename) != 0)
80: continue;
81: RB_FOREACH(bd, key_bindings, &table->key_bindings) {
82: key = key_string_lookup_key(bd->key);
83:
84: if (bd->can_repeat)
85: repeat = 1;
86:
87: width = utf8_cstrwidth(table->name);
88: if (width > tablewidth)
89: tablewidth = width;
90: width = utf8_cstrwidth(key);
91: if (width > keywidth)
92: keywidth = width;
93: }
94: }
95:
96: RB_FOREACH(table, key_tables, &key_tables) {
97: if (tablename != NULL && strcmp(table->name, tablename) != 0)
98: continue;
99: RB_FOREACH(bd, key_bindings, &table->key_bindings) {
100: key = key_string_lookup_key(bd->key);
101:
102: if (!repeat)
103: r = "";
104: else if (bd->can_repeat)
105: r = "-r ";
106: else
107: r = " ";
108: xsnprintf(tmp, sizeof tmp, "%s-T ", r);
109:
110: cp = utf8_padcstr(table->name, tablewidth);
111: strlcat(tmp, cp, sizeof tmp);
112: strlcat(tmp, " ", sizeof tmp);
113: free(cp);
114:
115: cp = utf8_padcstr(key, keywidth);
116: strlcat(tmp, cp, sizeof tmp);
117: strlcat(tmp, " ", sizeof tmp);
118: free(cp);
119:
120: cp = cmd_list_print(bd->cmdlist);
121: strlcat(tmp, cp, sizeof tmp);
122: free(cp);
123:
124: cmdq_print(item, "bind-key %s", tmp);
125: }
126: }
127:
128: return (CMD_RETURN_NORMAL);
129: }
130:
131: static enum cmd_retval
132: cmd_list_keys_commands(struct cmd *self, struct cmdq_item *item)
133: {
134: struct args *args = self->args;
135: const struct cmd_entry **entryp;
136: const struct cmd_entry *entry;
137: struct format_tree *ft;
138: const char *template, *s;
139: char *line;
140:
141: if ((template = args_get(args, 'F')) == NULL) {
142: template = "#{command_list_name}"
143: "#{?command_list_alias, (#{command_list_alias}),} "
144: "#{command_list_usage}";
145: }
146:
147: ft = format_create(item, FORMAT_NONE, 0);
148: format_defaults(ft, NULL, NULL, NULL, NULL);
149:
150: for (entryp = cmd_table; *entryp != NULL; entryp++) {
151: entry = *entryp;
152:
153: format_add(ft, "command_list_name", "%s", entry->name);
154: if (entry->alias != NULL)
155: s = entry->alias;
156: else
157: s = "";
158: format_add(ft, "command_list_alias", "%s", s);
159: if (entry->usage != NULL)
160: s = entry->usage;
161: else
162: s = "";
163: format_add(ft, "command_list_usage", "%s", s);
164:
165: line = format_expand(ft, template);
166: if (*line != '\0')
167: cmdq_print(item, "%s", line);
168: free(line);
169: }
170:
171: format_free(ft);
172: return (CMD_RETURN_NORMAL);
173: }
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