1 /* $OpenBSD: cmd-send-keys.c,v 1.53 2020/03/19 14:03:48 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 = { "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 46 const 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 59 static struct cmdq_item * 60 cmd_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 89 static struct cmdq_item * 90 cmd_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 } 130 131 static enum cmd_retval 132 cmd_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->ictx, 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