Annotation of src/usr.bin/tmux/cmd-list-keys.c, Revision 1.19
1.19 ! nicm 1: /* $OpenBSD: cmd-list-keys.c,v 1.18 2012/07/11 07:10:15 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:
1.18 nicm 29: enum cmd_retval cmd_list_keys_exec(struct cmd *, struct cmd_ctx *);
30: enum cmd_retval cmd_list_keys_table(struct cmd *, struct cmd_ctx *);
1.6 nicm 31:
1.1 nicm 32: const struct cmd_entry cmd_list_keys_entry = {
33: "list-keys", "lsk",
1.13 nicm 34: "t:", 0, 0,
1.6 nicm 35: "[-t key-table]",
1.13 nicm 36: 0,
37: NULL,
38: NULL,
39: cmd_list_keys_exec
1.1 nicm 40: };
41:
1.18 nicm 42: enum cmd_retval
1.6 nicm 43: cmd_list_keys_exec(struct cmd *self, struct cmd_ctx *ctx)
1.1 nicm 44: {
1.13 nicm 45: struct args *args = self->args;
1.1 nicm 46: struct key_binding *bd;
47: const char *key;
1.14 nicm 48: char tmp[BUFSIZ], flags[8];
1.8 nicm 49: size_t used;
1.4 nicm 50: int width, keywidth;
1.3 nicm 51:
1.13 nicm 52: if (args_has(args, 't'))
1.6 nicm 53: return (cmd_list_keys_table(self, ctx));
54:
1.3 nicm 55: width = 0;
1.15 nicm 56:
1.17 nicm 57: RB_FOREACH(bd, key_bindings, &key_bindings) {
1.4 nicm 58: key = key_string_lookup_key(bd->key & ~KEYC_PREFIX);
59: if (key == NULL)
1.3 nicm 60: continue;
61:
1.14 nicm 62: keywidth = strlen(key);
63: if (!(bd->key & KEYC_PREFIX)) {
64: if (bd->can_repeat)
65: keywidth += 4;
66: else
67: keywidth += 3;
68: } else if (bd->can_repeat)
69: keywidth += 3;
1.3 nicm 70: if (keywidth > width)
71: width = keywidth;
72: }
73:
1.17 nicm 74: RB_FOREACH(bd, key_bindings, &key_bindings) {
1.4 nicm 75: key = key_string_lookup_key(bd->key & ~KEYC_PREFIX);
76: if (key == NULL)
1.1 nicm 77: continue;
1.14 nicm 78:
1.16 nicm 79: *flags = '\0';
1.14 nicm 80: if (!(bd->key & KEYC_PREFIX)) {
81: if (bd->can_repeat)
82: xsnprintf(flags, sizeof flags, "-rn ");
83: else
84: xsnprintf(flags, sizeof flags, "-n ");
85: } else if (bd->can_repeat)
86: xsnprintf(flags, sizeof flags, "-r ");
87:
88: used = xsnprintf(tmp, sizeof tmp, "%s%*s ",
89: flags, (int) (width - strlen(flags)), key);
1.8 nicm 90: if (used >= sizeof tmp)
91: continue;
1.1 nicm 92:
1.8 nicm 93: cmd_list_print(bd->cmdlist, tmp + used, (sizeof tmp) - used);
1.14 nicm 94: ctx->print(ctx, "bind-key %s", tmp);
1.6 nicm 95: }
96:
1.18 nicm 97: return (CMD_RETURN_NORMAL);
1.6 nicm 98: }
99:
1.19 ! nicm 100: enum cmd_retval
1.6 nicm 101: cmd_list_keys_table(struct cmd *self, struct cmd_ctx *ctx)
102: {
1.13 nicm 103: struct args *args = self->args;
104: const char *tablename;
1.6 nicm 105: const struct mode_key_table *mtab;
106: struct mode_key_binding *mbind;
107: const char *key, *cmdstr, *mode;
1.14 nicm 108: int width, keywidth, any_mode;
1.6 nicm 109:
1.13 nicm 110: tablename = args_get(args, 't');
111: if ((mtab = mode_key_findtable(tablename)) == NULL) {
112: ctx->error(ctx, "unknown key table: %s", tablename);
1.18 nicm 113: return (CMD_RETURN_ERROR);
1.6 nicm 114: }
115:
116: width = 0;
1.14 nicm 117: any_mode = 0;
1.17 nicm 118: RB_FOREACH(mbind, mode_key_tree, mtab->tree) {
1.6 nicm 119: key = key_string_lookup_key(mbind->key);
120: if (key == NULL)
121: continue;
122:
1.14 nicm 123: if (mbind->mode != 0)
124: any_mode = 1;
125:
126: keywidth = strlen(key);
1.6 nicm 127: if (keywidth > width)
128: width = keywidth;
129: }
130:
1.17 nicm 131: RB_FOREACH(mbind, mode_key_tree, mtab->tree) {
1.6 nicm 132: key = key_string_lookup_key(mbind->key);
133: if (key == NULL)
134: continue;
135:
136: mode = "";
137: if (mbind->mode != 0)
1.14 nicm 138: mode = "c";
1.6 nicm 139: cmdstr = mode_key_tostring(mtab->cmdstr, mbind->cmd);
1.14 nicm 140: if (cmdstr != NULL) {
141: ctx->print(ctx, "bind-key -%st %s%s %*s %s",
142: mode, any_mode && *mode == '\0' ? " " : "",
143: mtab->name, (int) width, key, cmdstr);
144: }
1.1 nicm 145: }
146:
1.18 nicm 147: return (CMD_RETURN_NORMAL);
1.1 nicm 148: }
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