Annotation of src/usr.bin/tmux/cmd-list-keys.c, Revision 1.8
1.8 ! nicm 1: /* $OpenBSD: cmd-list-keys.c,v 1.7 2009/07/28 17:05:10 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:
29: int cmd_list_keys_exec(struct cmd *, struct cmd_ctx *);
30:
1.6 nicm 31: int cmd_list_keys_table(struct cmd *, struct cmd_ctx *);
32:
1.1 nicm 33: const struct cmd_entry cmd_list_keys_entry = {
34: "list-keys", "lsk",
1.6 nicm 35: "[-t key-table]",
1.2 nicm 36: 0, 0,
1.6 nicm 37: cmd_target_init,
38: cmd_target_parse,
1.1 nicm 39: cmd_list_keys_exec,
1.6 nicm 40: cmd_target_free,
41: cmd_target_print
1.1 nicm 42: };
43:
44: int
1.6 nicm 45: cmd_list_keys_exec(struct cmd *self, struct cmd_ctx *ctx)
1.1 nicm 46: {
1.6 nicm 47: struct cmd_target_data *data = self->data;
1.1 nicm 48: struct key_binding *bd;
49: const char *key;
1.8 ! nicm 50: char tmp[BUFSIZ];
! 51: size_t used;
1.4 nicm 52: int width, keywidth;
1.3 nicm 53:
1.6 nicm 54: if (data->target != NULL)
55: return (cmd_list_keys_table(self, ctx));
56:
1.3 nicm 57: width = 0;
58: SPLAY_FOREACH(bd, key_bindings, &key_bindings) {
1.4 nicm 59: key = key_string_lookup_key(bd->key & ~KEYC_PREFIX);
60: if (key == NULL)
1.3 nicm 61: continue;
62:
63: keywidth = strlen(key) + 1;
1.4 nicm 64: if (!(bd->key & KEYC_PREFIX))
65: keywidth += 2;
1.3 nicm 66: if (keywidth > width)
67: width = keywidth;
68: }
69:
1.1 nicm 70: SPLAY_FOREACH(bd, key_bindings, &key_bindings) {
1.4 nicm 71: key = key_string_lookup_key(bd->key & ~KEYC_PREFIX);
72: if (key == NULL)
1.1 nicm 73: continue;
1.8 ! nicm 74: if (!(bd->key & KEYC_PREFIX))
! 75: used = xsnprintf(tmp, sizeof tmp, "[%s]: ", key);
! 76: else
! 77: used = xsnprintf(tmp, sizeof tmp, "%*s: ", width, key);
! 78: if (used >= sizeof tmp)
! 79: continue;
1.1 nicm 80:
1.8 ! nicm 81: cmd_list_print(bd->cmdlist, tmp + used, (sizeof tmp) - used);
! 82: ctx->print(ctx, "%s", tmp);
1.6 nicm 83: }
84:
85: return (0);
86: }
87:
88: int
89: cmd_list_keys_table(struct cmd *self, struct cmd_ctx *ctx)
90: {
91: struct cmd_target_data *data = self->data;
92: const struct mode_key_table *mtab;
93: struct mode_key_binding *mbind;
94: const char *key, *cmdstr, *mode;
95: int width, keywidth;
96:
1.7 nicm 97: if ((mtab = mode_key_findtable(data->target)) == NULL) {
1.6 nicm 98: ctx->error(ctx, "unknown key table: %s", data->target);
99: return (-1);
100: }
101:
102: width = 0;
103: SPLAY_FOREACH(mbind, mode_key_tree, mtab->tree) {
104: key = key_string_lookup_key(mbind->key);
105: if (key == NULL)
106: continue;
107:
108: keywidth = strlen(key) + 1;
109: if (keywidth > width)
110: width = keywidth;
111: }
112:
113: SPLAY_FOREACH(mbind, mode_key_tree, mtab->tree) {
114: key = key_string_lookup_key(mbind->key);
115: if (key == NULL)
116: continue;
117:
118: mode = "";
119: if (mbind->mode != 0)
120: mode = "(command mode) ";
121: cmdstr = mode_key_tostring(mtab->cmdstr, mbind->cmd);
122: if (cmdstr != NULL)
123: ctx->print(ctx, "%*s: %s%s", width, key, mode, cmdstr);
1.1 nicm 124: }
125:
126: return (0);
127: }