1 /* $OpenBSD: cmd-send-keys.c,v 1.65 2020/05/27 14:45:35 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 cmdq_item *item, struct cmdq_item *after, 61 key_code key) 62 { 63 struct cmd_find_state *target = cmdq_get_target(item); 64 struct client *tc = cmdq_get_target_client(item); 65 struct session *s = target->s; 66 struct winlink *wl = target->wl; 67 struct window_pane *wp = target->wp; 68 struct window_mode_entry *wme; 69 struct key_table *table; 70 struct key_binding *bd; 71 72 wme = TAILQ_FIRST(&wp->modes); 73 if (wme == NULL || wme->mode->key_table == NULL) { 74 if (window_pane_key(wp, tc, s, wl, key, NULL) != 0) 75 return (NULL); 76 return (item); 77 } 78 table = key_bindings_get_table(wme->mode->key_table(wme), 1); 79 80 bd = key_bindings_get(table, key & ~KEYC_MASK_FLAGS); 81 if (bd != NULL) { 82 table->references++; 83 after = key_bindings_dispatch(bd, after, tc, NULL, target); 84 key_bindings_unref_table(table); 85 } 86 return (after); 87 } 88 89 static struct cmdq_item * 90 cmd_send_keys_inject_string(struct cmdq_item *item, struct cmdq_item *after, 91 struct args *args, int i) 92 { 93 const char *s = args->argv[i]; 94 struct utf8_data *ud, *loop; 95 utf8_char uc; 96 key_code key; 97 char *endptr; 98 long n; 99 int literal; 100 101 if (args_has(args, 'H')) { 102 n = strtol(s, &endptr, 16); 103 if (*s =='\0' || n < 0 || n > 0xff || *endptr != '\0') 104 return (item); 105 return (cmd_send_keys_inject_key(item, after, KEYC_LITERAL|n)); 106 } 107 108 literal = args_has(args, 'l'); 109 if (!literal) { 110 key = key_string_lookup_string(s); 111 if (key != KEYC_NONE && key != KEYC_UNKNOWN) { 112 after = cmd_send_keys_inject_key(item, after, key); 113 if (after != NULL) 114 return (after); 115 } 116 literal = 1; 117 } 118 if (literal) { 119 ud = utf8_fromcstr(s); 120 for (loop = ud; loop->size != 0; loop++) { 121 if (loop->size == 1 && loop->data[0] <= 0x7f) 122 key = loop->data[0]; 123 else { 124 if (utf8_from_data(loop, &uc) != UTF8_DONE) 125 continue; 126 key = uc; 127 } 128 after = cmd_send_keys_inject_key(item, after, key); 129 } 130 free(ud); 131 } 132 return (after); 133 } 134 135 static enum cmd_retval 136 cmd_send_keys_exec(struct cmd *self, struct cmdq_item *item) 137 { 138 struct args *args = cmd_get_args(self); 139 struct cmd_find_state *target = cmdq_get_target(item); 140 struct client *tc = cmdq_get_target_client(item); 141 struct session *s = target->s; 142 struct winlink *wl = target->wl; 143 struct window_pane *wp = target->wp; 144 struct key_event *event = cmdq_get_event(item); 145 struct mouse_event *m = &event->m; 146 struct window_mode_entry *wme = TAILQ_FIRST(&wp->modes); 147 struct cmdq_item *after = item; 148 int i; 149 key_code key; 150 u_int np = 1; 151 char *cause = NULL; 152 153 if (args_has(args, 'N')) { 154 np = args_strtonum(args, 'N', 1, UINT_MAX, &cause); 155 if (cause != NULL) { 156 cmdq_error(item, "repeat count %s", cause); 157 free(cause); 158 return (CMD_RETURN_ERROR); 159 } 160 if (wme != NULL && (args_has(args, 'X') || args->argc == 0)) { 161 if (wme->mode->command == NULL) { 162 cmdq_error(item, "not in a mode"); 163 return (CMD_RETURN_ERROR); 164 } 165 wme->prefix = np; 166 } 167 } 168 169 if (args_has(args, 'X')) { 170 if (wme == NULL || wme->mode->command == NULL) { 171 cmdq_error(item, "not in a mode"); 172 return (CMD_RETURN_ERROR); 173 } 174 if (!m->valid) 175 m = NULL; 176 wme->mode->command(wme, tc, s, wl, args, m); 177 return (CMD_RETURN_NORMAL); 178 } 179 180 if (args_has(args, 'M')) { 181 wp = cmd_mouse_pane(m, &s, NULL); 182 if (wp == NULL) { 183 cmdq_error(item, "no mouse target"); 184 return (CMD_RETURN_ERROR); 185 } 186 window_pane_key(wp, tc, s, wl, m->key, m); 187 return (CMD_RETURN_NORMAL); 188 } 189 190 if (cmd_get_entry(self) == &cmd_send_prefix_entry) { 191 if (args_has(args, '2')) 192 key = options_get_number(s->options, "prefix2"); 193 else 194 key = options_get_number(s->options, "prefix"); 195 cmd_send_keys_inject_key(item, item, key); 196 return (CMD_RETURN_NORMAL); 197 } 198 199 if (args_has(args, 'R')) { 200 window_pane_reset_palette(wp); 201 input_reset(wp->ictx, 1); 202 } 203 204 for (; np != 0; np--) { 205 for (i = 0; i < args->argc; i++) { 206 after = cmd_send_keys_inject_string(item, after, args, 207 i); 208 } 209 } 210 211 return (CMD_RETURN_NORMAL); 212 } 213