1 /* $OpenBSD: cmd-send-keys.c,v 1.40 2017/05/09 17:56:55 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 key_table *table; 64 struct key_binding *bd, bd_find; 65 66 if (wp->mode == NULL || wp->mode->key_table == NULL) { 67 window_pane_key(wp, NULL, s, key, NULL); 68 return; 69 } 70 table = key_bindings_get_table(wp->mode->key_table(wp), 1); 71 72 bd_find.key = (key & ~KEYC_XTERM); 73 bd = RB_FIND(key_bindings, &table->key_bindings, &bd_find); 74 if (bd != NULL) { 75 table->references++; 76 key_bindings_dispatch(bd, c, NULL, &item->target); 77 key_bindings_unref_table(table); 78 } 79 } 80 81 static enum cmd_retval 82 cmd_send_keys_exec(struct cmd *self, struct cmdq_item *item) 83 { 84 struct args *args = self->args; 85 struct client *c = cmd_find_client(item, NULL, 1); 86 struct window_pane *wp = item->target.wp; 87 struct session *s = item->target.s; 88 struct mouse_event *m = &item->shared->mouse; 89 struct utf8_data *ud, *uc; 90 wchar_t wc; 91 int i, literal; 92 key_code key; 93 u_int np = 1; 94 char *cause = NULL; 95 96 if (args_has(args, 'N')) { 97 np = args_strtonum(args, 'N', 1, UINT_MAX, &cause); 98 if (cause != NULL) { 99 cmdq_error(item, "repeat count %s", cause); 100 free(cause); 101 return (CMD_RETURN_ERROR); 102 } 103 if (args_has(args, 'X') || args->argc == 0) 104 wp->modeprefix = np; 105 } 106 107 if (args_has(args, 'X')) { 108 if (wp->mode == NULL || wp->mode->command == NULL) { 109 cmdq_error(item, "not in a mode"); 110 return (CMD_RETURN_ERROR); 111 } 112 if (!m->valid) 113 wp->mode->command(wp, c, s, args, NULL); 114 else 115 wp->mode->command(wp, c, s, args, m); 116 return (CMD_RETURN_NORMAL); 117 } 118 119 if (args_has(args, 'M')) { 120 wp = cmd_mouse_pane(m, &s, NULL); 121 if (wp == NULL) { 122 cmdq_error(item, "no mouse target"); 123 return (CMD_RETURN_ERROR); 124 } 125 window_pane_key(wp, NULL, s, m->key, m); 126 return (CMD_RETURN_NORMAL); 127 } 128 129 if (self->entry == &cmd_send_prefix_entry) { 130 if (args_has(args, '2')) 131 key = options_get_number(s->options, "prefix2"); 132 else 133 key = options_get_number(s->options, "prefix"); 134 cmd_send_keys_inject(c, item, key); 135 return (CMD_RETURN_NORMAL); 136 } 137 138 if (args_has(args, 'R')) { 139 window_pane_reset_palette(wp); 140 input_reset(wp, 1); 141 } 142 143 for (; np != 0; np--) { 144 for (i = 0; i < args->argc; i++) { 145 literal = args_has(args, 'l'); 146 if (!literal) { 147 key = key_string_lookup_string(args->argv[i]); 148 if (key != KEYC_NONE && key != KEYC_UNKNOWN) 149 cmd_send_keys_inject(c, item, key); 150 else 151 literal = 1; 152 } 153 if (literal) { 154 ud = utf8_fromcstr(args->argv[i]); 155 for (uc = ud; uc->size != 0; uc++) { 156 if (utf8_combine(uc, &wc) != UTF8_DONE) 157 continue; 158 cmd_send_keys_inject(c, item, wc); 159 } 160 free(ud); 161 } 162 } 163 164 } 165 166 return (CMD_RETURN_NORMAL); 167 } 168