1 /* $OpenBSD: cmd-send-keys.c,v 1.51 2019/11/07 07:11:25 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 window_mode_entry *wme; 64 struct key_table *table; 65 struct key_binding *bd; 66 67 wme = TAILQ_FIRST(&fs->wp->modes); 68 if (wme == NULL || wme->mode->key_table == NULL) { 69 if (options_get_number(fs->wp->window->options, "xterm-keys")) 70 key |= KEYC_XTERM; 71 window_pane_key(fs->wp, item->client, fs->s, fs->wl, key, NULL); 72 return (item); 73 } 74 table = key_bindings_get_table(wme->mode->key_table(wme), 1); 75 76 bd = key_bindings_get(table, key & ~KEYC_XTERM); 77 if (bd != NULL) { 78 table->references++; 79 item = key_bindings_dispatch(bd, item, c, NULL, &item->target); 80 key_bindings_unref_table(table); 81 } 82 return (item); 83 } 84 85 static struct cmdq_item * 86 cmd_send_keys_inject_string(struct client *c, struct cmd_find_state *fs, 87 struct cmdq_item *item, struct args *args, int i) 88 { 89 const char *s = args->argv[i]; 90 struct utf8_data *ud, *uc; 91 wchar_t wc; 92 key_code key; 93 char *endptr; 94 long n; 95 int literal; 96 97 if (args_has(args, 'H')) { 98 n = strtol(s, &endptr, 16); 99 if (*s =='\0' || n < 0 || n > 0xff || *endptr != '\0') 100 return (item); 101 return (cmd_send_keys_inject_key(c, fs, item, KEYC_LITERAL|n)); 102 } 103 104 literal = args_has(args, 'l'); 105 if (!literal) { 106 key = key_string_lookup_string(s); 107 if (key != KEYC_NONE && key != KEYC_UNKNOWN) 108 return (cmd_send_keys_inject_key(c, fs, item, key)); 109 literal = 1; 110 } 111 if (literal) { 112 ud = utf8_fromcstr(s); 113 for (uc = ud; uc->size != 0; uc++) { 114 if (utf8_combine(uc, &wc) != UTF8_DONE) 115 continue; 116 item = cmd_send_keys_inject_key(c, fs, item, wc); 117 } 118 free(ud); 119 } 120 return (item); 121 } 122 123 static enum cmd_retval 124 cmd_send_keys_exec(struct cmd *self, struct cmdq_item *item) 125 { 126 struct args *args = self->args; 127 struct client *c = cmd_find_client(item, NULL, 1); 128 struct cmd_find_state *fs = &item->target; 129 struct window_pane *wp = item->target.wp; 130 struct session *s = item->target.s; 131 struct winlink *wl = item->target.wl; 132 struct mouse_event *m = &item->shared->mouse; 133 struct window_mode_entry *wme = TAILQ_FIRST(&wp->modes); 134 int i; 135 key_code key; 136 u_int np = 1; 137 char *cause = NULL; 138 139 if (args_has(args, 'N')) { 140 np = args_strtonum(args, 'N', 1, UINT_MAX, &cause); 141 if (cause != NULL) { 142 cmdq_error(item, "repeat count %s", cause); 143 free(cause); 144 return (CMD_RETURN_ERROR); 145 } 146 if (wme != NULL && (args_has(args, 'X') || args->argc == 0)) { 147 if (wme == NULL || wme->mode->command == NULL) { 148 cmdq_error(item, "not in a mode"); 149 return (CMD_RETURN_ERROR); 150 } 151 wme->prefix = np; 152 } 153 } 154 155 if (args_has(args, 'X')) { 156 if (wme == NULL || wme->mode->command == NULL) { 157 cmdq_error(item, "not in a mode"); 158 return (CMD_RETURN_ERROR); 159 } 160 if (!m->valid) 161 m = NULL; 162 wme->mode->command(wme, c, s, wl, args, m); 163 return (CMD_RETURN_NORMAL); 164 } 165 166 if (args_has(args, 'M')) { 167 wp = cmd_mouse_pane(m, &s, NULL); 168 if (wp == NULL) { 169 cmdq_error(item, "no mouse target"); 170 return (CMD_RETURN_ERROR); 171 } 172 window_pane_key(wp, item->client, s, wl, m->key, m); 173 return (CMD_RETURN_NORMAL); 174 } 175 176 if (self->entry == &cmd_send_prefix_entry) { 177 if (args_has(args, '2')) 178 key = options_get_number(s->options, "prefix2"); 179 else 180 key = options_get_number(s->options, "prefix"); 181 cmd_send_keys_inject_key(c, fs, item, key); 182 return (CMD_RETURN_NORMAL); 183 } 184 185 if (args_has(args, 'R')) { 186 window_pane_reset_palette(wp); 187 input_reset(wp, 1); 188 } 189 190 for (; np != 0; np--) { 191 for (i = 0; i < args->argc; i++) 192 item = cmd_send_keys_inject_string(c, fs, item, args, i); 193 } 194 195 return (CMD_RETURN_NORMAL); 196 } 197