xref: /netbsd-src/external/bsd/tmux/dist/cmd-send-keys.c (revision deb6f0161a9109e7de9b519dc8dfb9478668dcdd)
1 /* $OpenBSD$ */
2 
3 /*
4  * Copyright (c) 2008 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  * Send keys to client.
28  */
29 
30 static enum cmd_retval	cmd_send_keys_exec(struct cmd *, struct cmdq_item *);
31 
32 const struct cmd_entry cmd_send_keys_entry = {
33 	.name = "send-keys",
34 	.alias = "send",
35 
36 	.args = { "lXRMN:t:", 0, -1 },
37 	.usage = "[-lXRM] [-N repeat-count] " CMD_TARGET_PANE_USAGE " key ...",
38 
39 	.target = { 't', CMD_FIND_PANE, 0 },
40 
41 	.flags = CMD_AFTERHOOK,
42 	.exec = cmd_send_keys_exec
43 };
44 
45 const struct cmd_entry cmd_send_prefix_entry = {
46 	.name = "send-prefix",
47 	.alias = NULL,
48 
49 	.args = { "2t:", 0, 0 },
50 	.usage = "[-2] " CMD_TARGET_PANE_USAGE,
51 
52 	.target = { 't', CMD_FIND_PANE, 0 },
53 
54 	.flags = CMD_AFTERHOOK,
55 	.exec = cmd_send_keys_exec
56 };
57 
58 static void
59 cmd_send_keys_inject(struct client *c, struct cmdq_item *item, key_code key)
60 {
61 	struct window_pane	*wp = item->target.wp;
62 	struct session		*s = item->target.s;
63 	struct key_table	*table;
64 	struct key_binding	*bd, bd_find;
65 
66 	if (wp->mode == NULL || wp->mode->key_table == NULL) {
67 		if (options_get_number(wp->window->options, "xterm-keys"))
68 			key |= KEYC_XTERM;
69 		window_pane_key(wp, NULL, s, key, NULL);
70 		return;
71 	}
72 	table = key_bindings_get_table(wp->mode->key_table(wp), 1);
73 
74 	bd_find.key = (key & ~KEYC_XTERM);
75 	bd = RB_FIND(key_bindings, &table->key_bindings, &bd_find);
76 	if (bd != NULL) {
77 		table->references++;
78 		key_bindings_dispatch(bd, item, c, NULL, &item->target);
79 		key_bindings_unref_table(table);
80 	}
81 }
82 
83 static enum cmd_retval
84 cmd_send_keys_exec(struct cmd *self, struct cmdq_item *item)
85 {
86 	struct args		*args = self->args;
87 	struct client		*c = cmd_find_client(item, NULL, 1);
88 	struct window_pane	*wp = item->target.wp;
89 	struct session		*s = item->target.s;
90 	struct mouse_event	*m = &item->shared->mouse;
91 	struct utf8_data	*ud, *uc;
92 	wchar_t			 wc;
93 	int			 i, literal;
94 	key_code		 key;
95 	u_int			 np = 1;
96 	char			*cause = NULL;
97 
98 	if (args_has(args, 'N')) {
99 		np = args_strtonum(args, 'N', 1, UINT_MAX, &cause);
100 		if (cause != NULL) {
101 			cmdq_error(item, "repeat count %s", cause);
102 			free(cause);
103 			return (CMD_RETURN_ERROR);
104 		}
105 		if (args_has(args, 'X') || args->argc == 0)
106 			wp->modeprefix = np;
107 	}
108 
109 	if (args_has(args, 'X')) {
110 		if (wp->mode == NULL || wp->mode->command == NULL) {
111 			cmdq_error(item, "not in a mode");
112 			return (CMD_RETURN_ERROR);
113 		}
114 		if (!m->valid)
115 			wp->mode->command(wp, c, s, args, NULL);
116 		else
117 			wp->mode->command(wp, c, s, args, m);
118 		return (CMD_RETURN_NORMAL);
119 	}
120 
121 	if (args_has(args, 'M')) {
122 		wp = cmd_mouse_pane(m, &s, NULL);
123 		if (wp == NULL) {
124 			cmdq_error(item, "no mouse target");
125 			return (CMD_RETURN_ERROR);
126 		}
127 		window_pane_key(wp, NULL, s, m->key, m);
128 		return (CMD_RETURN_NORMAL);
129 	}
130 
131 	if (self->entry == &cmd_send_prefix_entry) {
132 		if (args_has(args, '2'))
133 			key = options_get_number(s->options, "prefix2");
134 		else
135 			key = options_get_number(s->options, "prefix");
136 		cmd_send_keys_inject(c, item, key);
137 		return (CMD_RETURN_NORMAL);
138 	}
139 
140 	if (args_has(args, 'R')) {
141 		window_pane_reset_palette(wp);
142 		input_reset(wp, 1);
143 	}
144 
145 	for (; np != 0; np--) {
146 		for (i = 0; i < args->argc; i++) {
147 			literal = args_has(args, 'l');
148 			if (!literal) {
149 				key = key_string_lookup_string(args->argv[i]);
150 				if (key != KEYC_NONE && key != KEYC_UNKNOWN)
151 					cmd_send_keys_inject(c, item, key);
152 				else
153 					literal = 1;
154 			}
155 			if (literal) {
156 				ud = utf8_fromcstr(args->argv[i]);
157 				for (uc = ud; uc->size != 0; uc++) {
158 					if (utf8_combine(uc, &wc) != UTF8_DONE)
159 						continue;
160 					cmd_send_keys_inject(c, item, wc);
161 				}
162 				free(ud);
163 			}
164 		}
165 
166 	}
167 
168 	return (CMD_RETURN_NORMAL);
169 }
170