xref: /openbsd-src/usr.bin/tmux/cmd-send-keys.c (revision 765b9a582c208af75c7304abae7e7e4c757934cb)
1 /* $OpenBSD: cmd-send-keys.c,v 1.32 2016/10/16 17:55:14 nicm Exp $ */
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 cmd_q *);
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 	.tflag = CMD_PANE,
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 	.tflag = CMD_PANE,
53 
54 	.flags = CMD_AFTERHOOK,
55 	.exec = cmd_send_keys_exec
56 };
57 
58 static enum cmd_retval
59 cmd_send_keys_exec(struct cmd *self, struct cmd_q *cmdq)
60 {
61 	struct args		*args = self->args;
62 	struct client		*c = cmdq->state.c;
63 	struct window_pane	*wp = cmdq->state.tflag.wp;
64 	struct session		*s = cmdq->state.tflag.s;
65 	struct mouse_event	*m = &cmdq->mouse;
66 	const u_char		*keystr;
67 	int			 i, literal;
68 	key_code		 key;
69 	u_int			 np;
70 	char			*cause = NULL;
71 
72 	if (args_has(args, 'N')) {
73 		if (wp->mode == NULL || wp->mode->command == NULL) {
74 			cmdq_error(cmdq, "not in a mode");
75 			return (CMD_RETURN_ERROR);
76 		}
77 		np = args_strtonum(args, 'N', 1, UINT_MAX, &cause);
78 		if (cause != NULL) {
79 			cmdq_error(cmdq, "prefix %s", cause);
80 			free(cause);
81 			return (CMD_RETURN_ERROR);
82 		}
83 		wp->modeprefix = np;
84 	}
85 
86 	if (args_has(args, 'X')) {
87 		if (wp->mode == NULL || wp->mode->command == NULL) {
88 			cmdq_error(cmdq, "not in a mode");
89 			return (CMD_RETURN_ERROR);
90 		}
91 		if (!m->valid)
92 			wp->mode->command(wp, c, s, args, NULL);
93 		else
94 			wp->mode->command(wp, c, s, args, m);
95 		return (CMD_RETURN_NORMAL);
96 	}
97 
98 	if (args_has(args, 'N')) /* only with -X */
99 		return (CMD_RETURN_NORMAL);
100 
101 	if (args_has(args, 'M')) {
102 		wp = cmd_mouse_pane(m, &s, NULL);
103 		if (wp == NULL) {
104 			cmdq_error(cmdq, "no mouse target");
105 			return (CMD_RETURN_ERROR);
106 		}
107 		window_pane_key(wp, NULL, s, m->key, m);
108 		return (CMD_RETURN_NORMAL);
109 	}
110 
111 	if (self->entry == &cmd_send_prefix_entry) {
112 		if (args_has(args, '2'))
113 			key = options_get_number(s->options, "prefix2");
114 		else
115 			key = options_get_number(s->options, "prefix");
116 		window_pane_key(wp, NULL, s, key, NULL);
117 		return (CMD_RETURN_NORMAL);
118 	}
119 
120 	if (args_has(args, 'R'))
121 		input_reset(wp, 1);
122 
123 	for (i = 0; i < args->argc; i++) {
124 		literal = args_has(args, 'l');
125 		if (!literal) {
126 			key = key_string_lookup_string(args->argv[i]);
127 			if (key != KEYC_NONE && key != KEYC_UNKNOWN)
128 				window_pane_key(wp, NULL, s, key, NULL);
129 			else
130 				literal = 1;
131 		}
132 		if (literal) {
133 			for (keystr = args->argv[i]; *keystr != '\0'; keystr++)
134 				window_pane_key(wp, NULL, s, *keystr, NULL);
135 		}
136 	}
137 
138 	return (CMD_RETURN_NORMAL);
139 }
140