1/* $OpenBSD$ */
2
3/*
4 * Copyright (c) 2008 Nicholas Marriott <[email protected]>
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
30static enum cmd_retval cmd_send_keys_exec(struct cmd *, struct cmdq_item *);
31
32const struct cmd_entry cmd_send_keys_entry = {
33 .name = "send-keys",
34 .alias = "send",
35
36 .args = { "FHlMN:Rt:X", 0, -1 },
37 .usage = "[-FHlMRX] [-N repeat-count] " CMD_TARGET_PANE_USAGE
38 " key ...",
39
40 .target = { 't', CMD_FIND_PANE, 0 },
41
42 .flags = CMD_AFTERHOOK,
43 .exec = cmd_send_keys_exec
44};
45
46const struct cmd_entry cmd_send_prefix_entry = {
47 .name = "send-prefix",
48 .alias = NULL,
49
50 .args = { "2t:", 0, 0 },
51 .usage = "[-2] " CMD_TARGET_PANE_USAGE,
52
53 .target = { 't', CMD_FIND_PANE, 0 },
54
55 .flags = CMD_AFTERHOOK,
56 .exec = cmd_send_keys_exec
57};
58
59static struct cmdq_item *
60cmd_send_keys_inject_key(struct client *c, struct cmd_find_state *fs,
61 struct cmdq_item *item, key_code key)
62{
63 struct session *s = fs->s;
64 struct winlink *wl = fs->wl;
65 struct window_pane *wp = fs->wp;
66 struct window_mode_entry *wme;
67 struct key_table *table;
68 struct key_binding *bd;
69
70 wme = TAILQ_FIRST(&fs->wp->modes);
71 if (wme == NULL || wme->mode->key_table == NULL) {
72 if (options_get_number(fs->wp->window->options, "xterm-keys"))
73 key |= KEYC_XTERM;
74 if (window_pane_key(wp, item->client, s, wl, key, NULL) != 0)
75 return (NULL);
76 return (item);
77 }
78 table = key_bindings_get_table(wme->mode->key_table(wme), 1);
79
80 bd = key_bindings_get(table, key & ~KEYC_XTERM);
81 if (bd != NULL) {
82 table->references++;
83 item = key_bindings_dispatch(bd, item, c, NULL, &item->target);
84 key_bindings_unref_table(table);
85 }
86 return (item);
87}
88
89static struct cmdq_item *
90cmd_send_keys_inject_string(struct client *c, struct cmd_find_state *fs,
91 struct cmdq_item *item, struct args *args, int i)
92{
93 const char *s = args->argv[i];
94 struct cmdq_item *new_item;
95 struct utf8_data *ud, *uc;
96 wchar_t wc;
97 key_code key;
98 char *endptr;
99 long n;
100 int literal;
101
102 if (args_has(args, 'H')) {
103 n = strtol(s, &endptr, 16);
104 if (*s =='\0' || n < 0 || n > 0xff || *endptr != '\0')
105 return (item);
106 return (cmd_send_keys_inject_key(c, fs, item, KEYC_LITERAL|n));
107 }
108
109 literal = args_has(args, 'l');
110 if (!literal) {
111 key = key_string_lookup_string(s);
112 if (key != KEYC_NONE && key != KEYC_UNKNOWN) {
113 new_item = cmd_send_keys_inject_key(c, fs, item, key);
114 if (new_item != NULL)
115 return (new_item);
116 }
117 literal = 1;
118 }
119 if (literal) {
120 ud = utf8_fromcstr(s);
121 for (uc = ud; uc->size != 0; uc++) {
122 if (utf8_combine(uc, &wc) != UTF8_DONE)
123 continue;
124 item = cmd_send_keys_inject_key(c, fs, item, wc);
125 }
126 free(ud);
127 }
128 return (item);
129}
130
131static enum cmd_retval
132cmd_send_keys_exec(struct cmd *self, struct cmdq_item *item)
133{
134 struct args *args = self->args;
135 struct client *c = cmd_find_client(item, NULL, 1);
136 struct cmd_find_state *fs = &item->target;
137 struct window_pane *wp = item->target.wp;
138 struct session *s = item->target.s;
139 struct winlink *wl = item->target.wl;
140 struct mouse_event *m = &item->shared->mouse;
141 struct window_mode_entry *wme = TAILQ_FIRST(&wp->modes);
142 int i;
143 key_code key;
144 u_int np = 1;
145 char *cause = NULL;
146
147 if (args_has(args, 'N')) {
148 np = args_strtonum(args, 'N', 1, UINT_MAX, &cause);
149 if (cause != NULL) {
150 cmdq_error(item, "repeat count %s", cause);
151 free(cause);
152 return (CMD_RETURN_ERROR);
153 }
154 if (wme != NULL && (args_has(args, 'X') || args->argc == 0)) {
155 if (wme == NULL || wme->mode->command == NULL) {
156 cmdq_error(item, "not in a mode");
157 return (CMD_RETURN_ERROR);
158 }
159 wme->prefix = np;
160 }
161 }
162
163 if (args_has(args, 'X')) {
164 if (wme == NULL || wme->mode->command == NULL) {
165 cmdq_error(item, "not in a mode");
166 return (CMD_RETURN_ERROR);
167 }
168 if (!m->valid)
169 m = NULL;
170 wme->mode->command(wme, c, s, wl, args, m);
171 return (CMD_RETURN_NORMAL);
172 }
173
174 if (args_has(args, 'M')) {
175 wp = cmd_mouse_pane(m, &s, NULL);
176 if (wp == NULL) {
177 cmdq_error(item, "no mouse target");
178 return (CMD_RETURN_ERROR);
179 }
180 window_pane_key(wp, item->client, s, wl, m->key, m);
181 return (CMD_RETURN_NORMAL);
182 }
183
184 if (self->entry == &cmd_send_prefix_entry) {
185 if (args_has(args, '2'))
186 key = options_get_number(s->options, "prefix2");
187 else
188 key = options_get_number(s->options, "prefix");
189 cmd_send_keys_inject_key(c, fs, item, key);
190 return (CMD_RETURN_NORMAL);
191 }
192
193 if (args_has(args, 'R')) {
194 window_pane_reset_palette(wp);
195 input_reset(wp, 1);
196 }
197
198 for (; np != 0; np--) {
199 for (i = 0; i < args->argc; i++)
200 item = cmd_send_keys_inject_string(c, fs, item, args, i);
201 }
202
203 return (CMD_RETURN_NORMAL);
204}
205