Annotation of src/usr.bin/tmux/cmd-send-keys.c, Revision 1.74
1.74 ! nicm 1: /* $OpenBSD: cmd-send-keys.c,v 1.73 2022/12/16 08:13:40 nicm Exp $ */
1.1 nicm 2:
3: /*
1.28 nicm 4: * Copyright (c) 2008 Nicholas Marriott <nicholas.marriott@gmail.com>
1.1 nicm 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>
1.10 nicm 22: #include <string.h>
1.1 nicm 23:
24: #include "tmux.h"
25:
26: /*
27: * Send keys to client.
28: */
29:
1.33 nicm 30: static enum cmd_retval cmd_send_keys_exec(struct cmd *, struct cmdq_item *);
1.1 nicm 31:
32: const struct cmd_entry cmd_send_keys_entry = {
1.25 nicm 33: .name = "send-keys",
34: .alias = "send",
35:
1.73 nicm 36: .args = { "c:FHKlMN:Rt:X", 0, -1, NULL },
37: .usage = "[-FHKlMRX] [-c target-client] [-N repeat-count] "
38: CMD_TARGET_PANE_USAGE " key ...",
1.25 nicm 39:
1.39 nicm 40: .target = { 't', CMD_FIND_PANE, 0 },
1.26 nicm 41:
1.74 ! nicm 42: .flags = CMD_AFTERHOOK|CMD_CLIENT_CFLAG|CMD_CLIENT_CANFAIL,
1.25 nicm 43: .exec = cmd_send_keys_exec
1.1 nicm 44: };
45:
1.14 nicm 46: const struct cmd_entry cmd_send_prefix_entry = {
1.25 nicm 47: .name = "send-prefix",
48: .alias = NULL,
49:
1.68 nicm 50: .args = { "2t:", 0, 0, NULL },
1.25 nicm 51: .usage = "[-2] " CMD_TARGET_PANE_USAGE,
52:
1.39 nicm 53: .target = { 't', CMD_FIND_PANE, 0 },
1.26 nicm 54:
1.31 nicm 55: .flags = CMD_AFTERHOOK,
1.25 nicm 56: .exec = cmd_send_keys_exec
1.14 nicm 57: };
58:
1.47 nicm 59: static struct cmdq_item *
1.60 nicm 60: cmd_send_keys_inject_key(struct cmdq_item *item, struct cmdq_item *after,
1.73 nicm 61: struct args *args, key_code key)
1.40 nicm 62: {
1.56 nicm 63: struct cmd_find_state *target = cmdq_get_target(item);
1.60 nicm 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;
1.46 nicm 68: struct window_mode_entry *wme;
1.73 nicm 69: struct key_table *table = NULL;
1.45 nicm 70: struct key_binding *bd;
1.73 nicm 71: struct key_event *event;
72:
73: if (args_has(args, 'K')) {
1.74 ! nicm 74: if (tc == NULL)
! 75: return (item);
1.73 nicm 76: event = xmalloc(sizeof *event);
77: event->key = key;
78: memset(&event->m, 0, sizeof event->m);
79: if (server_client_handle_key(tc, event) == 0)
80: free(event);
81: return (item);
82: }
1.40 nicm 83:
1.60 nicm 84: wme = TAILQ_FIRST(&wp->modes);
1.45 nicm 85: if (wme == NULL || wme->mode->key_table == NULL) {
1.63 nicm 86: if (window_pane_key(wp, tc, s, wl, key, NULL) != 0)
1.52 nicm 87: return (NULL);
1.47 nicm 88: return (item);
1.40 nicm 89: }
1.45 nicm 90: table = key_bindings_get_table(wme->mode->key_table(wme), 1);
1.40 nicm 91:
1.63 nicm 92: bd = key_bindings_get(table, key & ~KEYC_MASK_FLAGS);
1.40 nicm 93: if (bd != NULL) {
94: table->references++;
1.60 nicm 95: after = key_bindings_dispatch(bd, after, tc, NULL, target);
1.40 nicm 96: key_bindings_unref_table(table);
97: }
1.60 nicm 98: return (after);
1.40 nicm 99: }
100:
1.49 nicm 101: static struct cmdq_item *
1.60 nicm 102: cmd_send_keys_inject_string(struct cmdq_item *item, struct cmdq_item *after,
103: struct args *args, int i)
1.49 nicm 104: {
1.67 nicm 105: const char *s = args_string(args, i);
1.64 nicm 106: struct utf8_data *ud, *loop;
107: utf8_char uc;
1.49 nicm 108: key_code key;
109: char *endptr;
110: long n;
111: int literal;
112:
113: if (args_has(args, 'H')) {
114: n = strtol(s, &endptr, 16);
115: if (*s =='\0' || n < 0 || n > 0xff || *endptr != '\0')
116: return (item);
1.73 nicm 117: return (cmd_send_keys_inject_key(item, after, args,
118: KEYC_LITERAL|n));
1.49 nicm 119: }
120:
121: literal = args_has(args, 'l');
122: if (!literal) {
123: key = key_string_lookup_string(s);
1.52 nicm 124: if (key != KEYC_NONE && key != KEYC_UNKNOWN) {
1.73 nicm 125: after = cmd_send_keys_inject_key(item, after, args,
126: key);
1.60 nicm 127: if (after != NULL)
128: return (after);
1.52 nicm 129: }
1.49 nicm 130: literal = 1;
131: }
132: if (literal) {
133: ud = utf8_fromcstr(s);
1.64 nicm 134: for (loop = ud; loop->size != 0; loop++) {
1.65 nicm 135: if (loop->size == 1 && loop->data[0] <= 0x7f)
136: key = loop->data[0];
137: else {
138: if (utf8_from_data(loop, &uc) != UTF8_DONE)
139: continue;
140: key = uc;
141: }
1.73 nicm 142: after = cmd_send_keys_inject_key(item, after, args,
143: key);
1.50 nicm 144: }
1.49 nicm 145: free(ud);
146: }
1.60 nicm 147: return (after);
1.49 nicm 148: }
149:
1.29 nicm 150: static enum cmd_retval
1.33 nicm 151: cmd_send_keys_exec(struct cmd *self, struct cmdq_item *item)
1.1 nicm 152: {
1.55 nicm 153: struct args *args = cmd_get_args(self);
1.56 nicm 154: struct cmd_find_state *target = cmdq_get_target(item);
1.60 nicm 155: struct client *tc = cmdq_get_target_client(item);
1.56 nicm 156: struct session *s = target->s;
157: struct winlink *wl = target->wl;
1.60 nicm 158: struct window_pane *wp = target->wp;
1.59 nicm 159: struct key_event *event = cmdq_get_event(item);
160: struct mouse_event *m = &event->m;
1.46 nicm 161: struct window_mode_entry *wme = TAILQ_FIRST(&wp->modes);
1.60 nicm 162: struct cmdq_item *after = item;
1.45 nicm 163: key_code key;
1.67 nicm 164: u_int i, np = 1;
165: u_int count = args_count(args);
1.45 nicm 166: char *cause = NULL;
1.30 nicm 167:
168: if (args_has(args, 'N')) {
1.72 nicm 169: np = args_strtonum_and_expand(args, 'N', 1, UINT_MAX, item,
170: &cause);
1.30 nicm 171: if (cause != NULL) {
1.34 nicm 172: cmdq_error(item, "repeat count %s", cause);
1.30 nicm 173: free(cause);
174: return (CMD_RETURN_ERROR);
175: }
1.67 nicm 176: if (wme != NULL && (args_has(args, 'X') || count == 0)) {
1.54 nicm 177: if (wme->mode->command == NULL) {
1.46 nicm 178: cmdq_error(item, "not in a mode");
179: return (CMD_RETURN_ERROR);
180: }
1.45 nicm 181: wme->prefix = np;
1.46 nicm 182: }
1.30 nicm 183: }
184:
185: if (args_has(args, 'X')) {
1.45 nicm 186: if (wme == NULL || wme->mode->command == NULL) {
1.33 nicm 187: cmdq_error(item, "not in a mode");
1.30 nicm 188: return (CMD_RETURN_ERROR);
189: }
190: if (!m->valid)
1.45 nicm 191: m = NULL;
1.60 nicm 192: wme->mode->command(wme, tc, s, wl, args, m);
1.30 nicm 193: return (CMD_RETURN_NORMAL);
194: }
195:
1.19 nicm 196: if (args_has(args, 'M')) {
197: wp = cmd_mouse_pane(m, &s, NULL);
198: if (wp == NULL) {
1.33 nicm 199: cmdq_error(item, "no mouse target");
1.19 nicm 200: return (CMD_RETURN_ERROR);
201: }
1.60 nicm 202: window_pane_key(wp, tc, s, wl, m->key, m);
1.19 nicm 203: return (CMD_RETURN_NORMAL);
204: }
1.14 nicm 205:
1.55 nicm 206: if (cmd_get_entry(self) == &cmd_send_prefix_entry) {
1.14 nicm 207: if (args_has(args, '2'))
1.21 nicm 208: key = options_get_number(s->options, "prefix2");
1.14 nicm 209: else
1.21 nicm 210: key = options_get_number(s->options, "prefix");
1.73 nicm 211: cmd_send_keys_inject_key(item, item, args, key);
1.14 nicm 212: return (CMD_RETURN_NORMAL);
213: }
1.10 nicm 214:
1.37 nicm 215: if (args_has(args, 'R')) {
1.66 nicm 216: colour_palette_clear(&wp->palette);
1.53 nicm 217: input_reset(wp->ictx, 1);
1.66 nicm 218: wp->flags |= (PANE_STYLECHANGED|PANE_REDRAW);
1.69 nicm 219: }
220:
221: if (count == 0) {
1.71 nicm 222: if (args_has(args, 'N') || args_has(args, 'R'))
1.70 nicm 223: return (CMD_RETURN_NORMAL);
1.69 nicm 224: for (; np != 0; np--)
1.73 nicm 225: cmd_send_keys_inject_key(item, NULL, args, event->key);
1.69 nicm 226: return (CMD_RETURN_NORMAL);
1.37 nicm 227: }
1.1 nicm 228:
1.34 nicm 229: for (; np != 0; np--) {
1.67 nicm 230: for (i = 0; i < count; i++) {
1.60 nicm 231: after = cmd_send_keys_inject_string(item, after, args,
232: i);
1.56 nicm 233: }
1.9 nicm 234: }
1.1 nicm 235:
1.12 nicm 236: return (CMD_RETURN_NORMAL);
1.1 nicm 237: }
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