1 /* Id */
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
21 #include <string.h>
22
23 #include "tmux.h"
24
25 /*
26 * List key bindings.
27 */
28
29 enum cmd_retval cmd_list_keys_exec(struct cmd *, struct cmd_q *);
30 enum cmd_retval cmd_list_keys_table(struct cmd *, struct cmd_q *);
31
32 const struct cmd_entry cmd_list_keys_entry = {
33 "list-keys", "lsk",
34 "t:", 0, 0,
35 "[-t key-table]",
36 0,
37 NULL,
38 cmd_list_keys_exec
39 };
40
41 enum cmd_retval
cmd_list_keys_exec(struct cmd * self,struct cmd_q * cmdq)42 cmd_list_keys_exec(struct cmd *self, struct cmd_q *cmdq)
43 {
44 struct args *args = self->args;
45 struct key_binding *bd;
46 const char *key;
47 char tmp[BUFSIZ], flags[8];
48 size_t used;
49 int width, keywidth;
50
51 if (args_has(args, 't'))
52 return (cmd_list_keys_table(self, cmdq));
53
54 width = 0;
55
56 RB_FOREACH(bd, key_bindings, &key_bindings) {
57 key = key_string_lookup_key(bd->key & ~KEYC_PREFIX);
58 if (key == NULL)
59 continue;
60
61 keywidth = strlen(key);
62 if (!(bd->key & KEYC_PREFIX)) {
63 if (bd->can_repeat)
64 keywidth += 4;
65 else
66 keywidth += 3;
67 } else if (bd->can_repeat)
68 keywidth += 3;
69 if (keywidth > width)
70 width = keywidth;
71 }
72
73 RB_FOREACH(bd, key_bindings, &key_bindings) {
74 key = key_string_lookup_key(bd->key & ~KEYC_PREFIX);
75 if (key == NULL)
76 continue;
77
78 *flags = '\0';
79 if (!(bd->key & KEYC_PREFIX)) {
80 if (bd->can_repeat)
81 xsnprintf(flags, sizeof flags, "-rn ");
82 else
83 xsnprintf(flags, sizeof flags, "-n ");
84 } else if (bd->can_repeat)
85 xsnprintf(flags, sizeof flags, "-r ");
86
87 used = xsnprintf(tmp, sizeof tmp, "%s%*s ",
88 flags, (int) (width - strlen(flags)), key);
89 if (used >= sizeof tmp)
90 continue;
91
92 cmd_list_print(bd->cmdlist, tmp + used, (sizeof tmp) - used);
93 cmdq_print(cmdq, "bind-key %s", tmp);
94 }
95
96 return (CMD_RETURN_NORMAL);
97 }
98
99 enum cmd_retval
cmd_list_keys_table(struct cmd * self,struct cmd_q * cmdq)100 cmd_list_keys_table(struct cmd *self, struct cmd_q *cmdq)
101 {
102 struct args *args = self->args;
103 const char *tablename;
104 const struct mode_key_table *mtab;
105 struct mode_key_binding *mbind;
106 const char *key, *cmdstr, *mode;
107 int width, keywidth, any_mode;
108
109 tablename = args_get(args, 't');
110 if ((mtab = mode_key_findtable(tablename)) == NULL) {
111 cmdq_error(cmdq, "unknown key table: %s", tablename);
112 return (CMD_RETURN_ERROR);
113 }
114
115 width = 0;
116 any_mode = 0;
117 RB_FOREACH(mbind, mode_key_tree, mtab->tree) {
118 key = key_string_lookup_key(mbind->key);
119 if (key == NULL)
120 continue;
121
122 if (mbind->mode != 0)
123 any_mode = 1;
124
125 keywidth = strlen(key);
126 if (keywidth > width)
127 width = keywidth;
128 }
129
130 RB_FOREACH(mbind, mode_key_tree, mtab->tree) {
131 key = key_string_lookup_key(mbind->key);
132 if (key == NULL)
133 continue;
134
135 mode = "";
136 if (mbind->mode != 0)
137 mode = "c";
138 cmdstr = mode_key_tostring(mtab->cmdstr, mbind->cmd);
139 if (cmdstr != NULL) {
140 cmdq_print(cmdq, "bind-key -%st %s%s %*s %s%s%s%s",
141 mode, any_mode && *mode == '\0' ? " " : "",
142 mtab->name, (int) width, key, cmdstr,
143 mbind->arg != NULL ? " \"" : "",
144 mbind->arg != NULL ? mbind->arg : "",
145 mbind->arg != NULL ? "\"": "");
146 }
147 }
148
149 return (CMD_RETURN_NORMAL);
150 }
151