1 /* $OpenBSD: cmd-send-keys.c,v 1.49 2019/07/09 14:03:12 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 = { "HlXRMN:t:", 0, -1 }, 37 .usage = "[-HlXRM] [-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 struct cmdq_item * 59 cmd_send_keys_inject_key(struct client *c, struct cmdq_item *item, key_code key) 60 { 61 struct cmd_find_state *fs = &item->target; 62 struct window_mode_entry *wme; 63 struct key_table *table; 64 struct key_binding *bd; 65 66 wme = TAILQ_FIRST(&fs->wp->modes); 67 if (wme == NULL || wme->mode->key_table == NULL) { 68 if (options_get_number(fs->wp->window->options, "xterm-keys")) 69 key |= KEYC_XTERM; 70 window_pane_key(fs->wp, item->client, fs->s, fs->wl, key, NULL); 71 return (item); 72 } 73 table = key_bindings_get_table(wme->mode->key_table(wme), 1); 74 75 bd = key_bindings_get(table, key & ~KEYC_XTERM); 76 if (bd != NULL) { 77 table->references++; 78 item = key_bindings_dispatch(bd, item, c, NULL, &item->target); 79 key_bindings_unref_table(table); 80 } 81 return (item); 82 } 83 84 static struct cmdq_item * 85 cmd_send_keys_inject_string(struct client *c, struct cmdq_item *item, 86 struct args *args, int i) 87 { 88 const char *s = args->argv[i]; 89 struct utf8_data *ud, *uc; 90 wchar_t wc; 91 key_code key; 92 char *endptr; 93 long n; 94 int literal; 95 96 if (args_has(args, 'H')) { 97 n = strtol(s, &endptr, 16); 98 if (*s =='\0' || n < 0 || n > 0xff || *endptr != '\0') 99 return (item); 100 return (cmd_send_keys_inject_key(c, item, KEYC_LITERAL|n)); 101 } 102 103 literal = args_has(args, 'l'); 104 if (!literal) { 105 key = key_string_lookup_string(s); 106 if (key != KEYC_NONE && key != KEYC_UNKNOWN) 107 return (cmd_send_keys_inject_key(c, item, key)); 108 literal = 1; 109 } 110 if (literal) { 111 ud = utf8_fromcstr(s); 112 for (uc = ud; uc->size != 0; uc++) { 113 if (utf8_combine(uc, &wc) != UTF8_DONE) 114 continue; 115 item = cmd_send_keys_inject_key(c, item, wc); 116 } 117 free(ud); 118 } 119 return (item); 120 } 121 122 static enum cmd_retval 123 cmd_send_keys_exec(struct cmd *self, struct cmdq_item *item) 124 { 125 struct args *args = self->args; 126 struct client *c = cmd_find_client(item, NULL, 1); 127 struct window_pane *wp = item->target.wp; 128 struct session *s = item->target.s; 129 struct winlink *wl = item->target.wl; 130 struct mouse_event *m = &item->shared->mouse; 131 struct window_mode_entry *wme = TAILQ_FIRST(&wp->modes); 132 int i; 133 key_code key; 134 u_int np = 1; 135 char *cause = NULL; 136 137 if (args_has(args, 'N')) { 138 np = args_strtonum(args, 'N', 1, UINT_MAX, &cause); 139 if (cause != NULL) { 140 cmdq_error(item, "repeat count %s", cause); 141 free(cause); 142 return (CMD_RETURN_ERROR); 143 } 144 if (wme != NULL && (args_has(args, 'X') || args->argc == 0)) { 145 if (wme == NULL || wme->mode->command == NULL) { 146 cmdq_error(item, "not in a mode"); 147 return (CMD_RETURN_ERROR); 148 } 149 wme->prefix = np; 150 } 151 } 152 153 if (args_has(args, 'X')) { 154 if (wme == NULL || wme->mode->command == NULL) { 155 cmdq_error(item, "not in a mode"); 156 return (CMD_RETURN_ERROR); 157 } 158 if (!m->valid) 159 m = NULL; 160 wme->mode->command(wme, c, s, wl, args, m); 161 return (CMD_RETURN_NORMAL); 162 } 163 164 if (args_has(args, 'M')) { 165 wp = cmd_mouse_pane(m, &s, NULL); 166 if (wp == NULL) { 167 cmdq_error(item, "no mouse target"); 168 return (CMD_RETURN_ERROR); 169 } 170 window_pane_key(wp, item->client, s, wl, m->key, m); 171 return (CMD_RETURN_NORMAL); 172 } 173 174 if (self->entry == &cmd_send_prefix_entry) { 175 if (args_has(args, '2')) 176 key = options_get_number(s->options, "prefix2"); 177 else 178 key = options_get_number(s->options, "prefix"); 179 cmd_send_keys_inject_key(c, item, key); 180 return (CMD_RETURN_NORMAL); 181 } 182 183 if (args_has(args, 'R')) { 184 window_pane_reset_palette(wp); 185 input_reset(wp, 1); 186 } 187 188 for (; np != 0; np--) { 189 for (i = 0; i < args->argc; i++) 190 item = cmd_send_keys_inject_string(c, item, args, i); 191 } 192 193 return (CMD_RETURN_NORMAL); 194 } 195