1 /* $OpenBSD: cmd-send-keys.c,v 1.44 2018/12/18 13:20:44 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 key_table *table; 65 struct key_binding *bd; 66 67 if (wp->mode == NULL || wp->mode->key_table == NULL) { 68 if (options_get_number(wp->window->options, "xterm-keys")) 69 key |= KEYC_XTERM; 70 window_pane_key(wp, NULL, s, wl, key, NULL); 71 return; 72 } 73 table = key_bindings_get_table(wp->mode->key_table(wp), 1); 74 75 bd = key_bindings_get(table, key & ~KEYC_XTERM); 76 if (bd != NULL) { 77 table->references++; 78 key_bindings_dispatch(bd, item, c, NULL, &item->target); 79 key_bindings_unref_table(table); 80 } 81 } 82 83 static enum cmd_retval 84 cmd_send_keys_exec(struct cmd *self, struct cmdq_item *item) 85 { 86 struct args *args = self->args; 87 struct client *c = cmd_find_client(item, NULL, 1); 88 struct window_pane *wp = item->target.wp; 89 struct session *s = item->target.s; 90 struct winlink *wl = item->target.wl; 91 struct mouse_event *m = &item->shared->mouse; 92 struct utf8_data *ud, *uc; 93 wchar_t wc; 94 int i, literal; 95 key_code key; 96 u_int np = 1; 97 char *cause = NULL; 98 99 if (args_has(args, 'N')) { 100 np = args_strtonum(args, 'N', 1, UINT_MAX, &cause); 101 if (cause != NULL) { 102 cmdq_error(item, "repeat count %s", cause); 103 free(cause); 104 return (CMD_RETURN_ERROR); 105 } 106 if (args_has(args, 'X') || args->argc == 0) 107 wp->modeprefix = np; 108 } 109 110 if (args_has(args, 'X')) { 111 if (wp->mode == NULL || wp->mode->command == NULL) { 112 cmdq_error(item, "not in a mode"); 113 return (CMD_RETURN_ERROR); 114 } 115 if (!m->valid) 116 wp->mode->command(wp, c, s, wl, args, NULL); 117 else 118 wp->mode->command(wp, c, s, wl, args, m); 119 return (CMD_RETURN_NORMAL); 120 } 121 122 if (args_has(args, 'M')) { 123 wp = cmd_mouse_pane(m, &s, NULL); 124 if (wp == NULL) { 125 cmdq_error(item, "no mouse target"); 126 return (CMD_RETURN_ERROR); 127 } 128 window_pane_key(wp, NULL, s, wl, m->key, m); 129 return (CMD_RETURN_NORMAL); 130 } 131 132 if (self->entry == &cmd_send_prefix_entry) { 133 if (args_has(args, '2')) 134 key = options_get_number(s->options, "prefix2"); 135 else 136 key = options_get_number(s->options, "prefix"); 137 cmd_send_keys_inject(c, item, key); 138 return (CMD_RETURN_NORMAL); 139 } 140 141 if (args_has(args, 'R')) { 142 window_pane_reset_palette(wp); 143 input_reset(wp, 1); 144 } 145 146 for (; np != 0; np--) { 147 for (i = 0; i < args->argc; i++) { 148 literal = args_has(args, 'l'); 149 if (!literal) { 150 key = key_string_lookup_string(args->argv[i]); 151 if (key != KEYC_NONE && key != KEYC_UNKNOWN) 152 cmd_send_keys_inject(c, item, key); 153 else 154 literal = 1; 155 } 156 if (literal) { 157 ud = utf8_fromcstr(args->argv[i]); 158 for (uc = ud; uc->size != 0; uc++) { 159 if (utf8_combine(uc, &wc) != UTF8_DONE) 160 continue; 161 cmd_send_keys_inject(c, item, wc); 162 } 163 free(ud); 164 } 165 } 166 167 } 168 169 return (CMD_RETURN_NORMAL); 170 } 171