xref: /openbsd-src/usr.bin/tmux/cmd-send-keys.c (revision 6ea8b4b1aa0423b1dcc1be2c345f0f4b0166e5e4)
1 /* $OpenBSD: cmd-send-keys.c,v 1.34 2016/11/29 12:54:46 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 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 	.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 cmdq_item *item)
60 {
61 	struct args		*args = self->args;
62 	struct client		*c = item->state.c;
63 	struct window_pane	*wp = item->state.tflag.wp;
64 	struct session		*s = item->state.tflag.s;
65 	struct mouse_event	*m = &item->mouse;
66 	const u_char		*keystr;
67 	int			 i, literal;
68 	key_code		 key;
69 	u_int			 np = 1;
70 	char			*cause = NULL;
71 
72 	if (args_has(args, 'N')) {
73 		np = args_strtonum(args, 'N', 1, UINT_MAX, &cause);
74 		if (cause != NULL) {
75 			cmdq_error(item, "repeat count %s", cause);
76 			free(cause);
77 			return (CMD_RETURN_ERROR);
78 		}
79 	}
80 
81 	if (args_has(args, 'X')) {
82 		if (wp->mode == NULL || wp->mode->command == NULL) {
83 			cmdq_error(item, "not in a mode");
84 			return (CMD_RETURN_ERROR);
85 		}
86 		wp->modeprefix = np;
87 		if (!m->valid)
88 			wp->mode->command(wp, c, s, args, NULL);
89 		else
90 			wp->mode->command(wp, c, s, args, m);
91 		return (CMD_RETURN_NORMAL);
92 	}
93 
94 	if (args_has(args, 'M')) {
95 		wp = cmd_mouse_pane(m, &s, NULL);
96 		if (wp == NULL) {
97 			cmdq_error(item, "no mouse target");
98 			return (CMD_RETURN_ERROR);
99 		}
100 		window_pane_key(wp, NULL, s, m->key, m);
101 		return (CMD_RETURN_NORMAL);
102 	}
103 
104 	if (self->entry == &cmd_send_prefix_entry) {
105 		if (args_has(args, '2'))
106 			key = options_get_number(s->options, "prefix2");
107 		else
108 			key = options_get_number(s->options, "prefix");
109 		window_pane_key(wp, NULL, s, key, NULL);
110 		return (CMD_RETURN_NORMAL);
111 	}
112 
113 	if (args_has(args, 'R'))
114 		input_reset(wp, 1);
115 
116 	for (; np != 0; np--) {
117 		for (i = 0; i < args->argc; i++) {
118 			literal = args_has(args, 'l');
119 			if (!literal) {
120 				key = key_string_lookup_string(args->argv[i]);
121 				if (key != KEYC_NONE && key != KEYC_UNKNOWN)
122 					window_pane_key(wp, NULL, s, key, NULL);
123 				else
124 					literal = 1;
125 			}
126 			if (literal) {
127 				for (keystr = args->argv[i]; *keystr != '\0'; keystr++)
128 					window_pane_key(wp, NULL, s, *keystr, NULL);
129 			}
130 		}
131 
132 	}
133 
134 	return (CMD_RETURN_NORMAL);
135 }
136