1 /* $OpenBSD: cmd-send-keys.c,v 1.46 2019/03/12 11:16:50 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 .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 void 59 cmd_send_keys_inject(struct client *c, struct cmdq_item *item, key_code key) 60 { 61 struct window_pane *wp = item->target.wp; 62 struct session *s = item->target.s; 63 struct winlink *wl = item->target.wl; 64 struct window_mode_entry *wme; 65 struct key_table *table; 66 struct key_binding *bd; 67 68 wme = TAILQ_FIRST(&wp->modes); 69 if (wme == NULL || wme->mode->key_table == NULL) { 70 if (options_get_number(wp->window->options, "xterm-keys")) 71 key |= KEYC_XTERM; 72 window_pane_key(wp, NULL, s, wl, key, NULL); 73 return; 74 } 75 table = key_bindings_get_table(wme->mode->key_table(wme), 1); 76 77 bd = key_bindings_get(table, key & ~KEYC_XTERM); 78 if (bd != NULL) { 79 table->references++; 80 key_bindings_dispatch(bd, item, c, NULL, &item->target); 81 key_bindings_unref_table(table); 82 } 83 } 84 85 static enum cmd_retval 86 cmd_send_keys_exec(struct cmd *self, struct cmdq_item *item) 87 { 88 struct args *args = self->args; 89 struct client *c = cmd_find_client(item, NULL, 1); 90 struct window_pane *wp = item->target.wp; 91 struct session *s = item->target.s; 92 struct winlink *wl = item->target.wl; 93 struct mouse_event *m = &item->shared->mouse; 94 struct window_mode_entry *wme = TAILQ_FIRST(&wp->modes); 95 struct utf8_data *ud, *uc; 96 wchar_t wc; 97 int i, literal; 98 key_code key; 99 u_int np = 1; 100 char *cause = NULL; 101 102 if (args_has(args, 'N')) { 103 np = args_strtonum(args, 'N', 1, UINT_MAX, &cause); 104 if (cause != NULL) { 105 cmdq_error(item, "repeat count %s", cause); 106 free(cause); 107 return (CMD_RETURN_ERROR); 108 } 109 if (wme != NULL && (args_has(args, 'X') || args->argc == 0)) { 110 if (wme == NULL || wme->mode->command == NULL) { 111 cmdq_error(item, "not in a mode"); 112 return (CMD_RETURN_ERROR); 113 } 114 wme->prefix = np; 115 } 116 } 117 118 if (args_has(args, 'X')) { 119 if (wme == NULL || wme->mode->command == NULL) { 120 cmdq_error(item, "not in a mode"); 121 return (CMD_RETURN_ERROR); 122 } 123 if (!m->valid) 124 m = NULL; 125 wme->mode->command(wme, c, s, wl, args, m); 126 return (CMD_RETURN_NORMAL); 127 } 128 129 if (args_has(args, 'M')) { 130 wp = cmd_mouse_pane(m, &s, NULL); 131 if (wp == NULL) { 132 cmdq_error(item, "no mouse target"); 133 return (CMD_RETURN_ERROR); 134 } 135 window_pane_key(wp, NULL, s, wl, m->key, m); 136 return (CMD_RETURN_NORMAL); 137 } 138 139 if (self->entry == &cmd_send_prefix_entry) { 140 if (args_has(args, '2')) 141 key = options_get_number(s->options, "prefix2"); 142 else 143 key = options_get_number(s->options, "prefix"); 144 cmd_send_keys_inject(c, item, key); 145 return (CMD_RETURN_NORMAL); 146 } 147 148 if (args_has(args, 'R')) { 149 window_pane_reset_palette(wp); 150 input_reset(wp, 1); 151 } 152 153 for (; np != 0; np--) { 154 for (i = 0; i < args->argc; i++) { 155 literal = args_has(args, 'l'); 156 if (!literal) { 157 key = key_string_lookup_string(args->argv[i]); 158 if (key != KEYC_NONE && key != KEYC_UNKNOWN) 159 cmd_send_keys_inject(c, item, key); 160 else 161 literal = 1; 162 } 163 if (literal) { 164 ud = utf8_fromcstr(args->argv[i]); 165 for (uc = ud; uc->size != 0; uc++) { 166 if (utf8_combine(uc, &wc) != UTF8_DONE) 167 continue; 168 cmd_send_keys_inject(c, item, wc); 169 } 170 free(ud); 171 } 172 } 173 174 } 175 176 return (CMD_RETURN_NORMAL); 177 } 178