Annotation of src/usr.bin/tmux/tty-keys.c, Revision 1.14
1.14 ! nicm 1: /* $OpenBSD: tty-keys.c,v 1.13 2009/11/04 21:47:42 nicm Exp $ */
1.1 nicm 2:
3: /*
4: * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
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: #include <sys/time.h>
21:
22: #include <string.h>
1.3 nicm 23: #include <termios.h>
24: #include <unistd.h>
1.1 nicm 25:
26: #include "tmux.h"
27:
1.9 nicm 28: /*
29: * Handle keys input from the outside terminal.
30: */
31:
1.1 nicm 32: void tty_keys_add(struct tty *, const char *, int, int);
1.14 ! nicm 33: void tty_keys_callback(int, short, void *);
1.6 nicm 34: int tty_keys_mouse(char *, size_t, size_t *, struct mouse_event *);
1.1 nicm 35:
36: struct tty_key_ent {
37: enum tty_code_code code;
38: const char *string;
39:
40: int key;
41: int flags;
42: };
43:
44: struct tty_key_ent tty_keys[] = {
45: /* Function keys. */
1.8 nicm 46: { TTYC_KF1, NULL, KEYC_F1, TTYKEY_CTRL },
47: { TTYC_KF1, NULL, KEYC_F1, TTYKEY_CTRL },
48: { TTYC_KF2, NULL, KEYC_F2, TTYKEY_CTRL },
49: { TTYC_KF3, NULL, KEYC_F3, TTYKEY_CTRL },
50: { TTYC_KF4, NULL, KEYC_F4, TTYKEY_CTRL },
51: { TTYC_KF5, NULL, KEYC_F5, TTYKEY_CTRL },
52: { TTYC_KF6, NULL, KEYC_F6, TTYKEY_CTRL },
53: { TTYC_KF7, NULL, KEYC_F7, TTYKEY_CTRL },
54: { TTYC_KF8, NULL, KEYC_F8, TTYKEY_CTRL },
55: { TTYC_KF9, NULL, KEYC_F9, TTYKEY_CTRL },
56: { TTYC_KF10, NULL, KEYC_F10, TTYKEY_CTRL },
57: { TTYC_KF11, NULL, KEYC_F11, TTYKEY_CTRL },
58: { TTYC_KF12, NULL, KEYC_F12, TTYKEY_CTRL },
59: { TTYC_KF13, NULL, KEYC_F13, TTYKEY_CTRL },
60: { TTYC_KF14, NULL, KEYC_F14, TTYKEY_CTRL },
61: { TTYC_KF15, NULL, KEYC_F15, TTYKEY_CTRL },
62: { TTYC_KF16, NULL, KEYC_F16, TTYKEY_CTRL },
63: { TTYC_KF17, NULL, KEYC_F17, TTYKEY_CTRL },
64: { TTYC_KF18, NULL, KEYC_F18, TTYKEY_CTRL },
65: { TTYC_KF19, NULL, KEYC_F19, TTYKEY_CTRL },
66: { TTYC_KF20, NULL, KEYC_F20, TTYKEY_CTRL },
67: { TTYC_KICH1, NULL, KEYC_IC, TTYKEY_CTRL },
68: { TTYC_KDCH1, NULL, KEYC_DC, TTYKEY_CTRL },
69: { TTYC_KHOME, NULL, KEYC_HOME, TTYKEY_CTRL },
70: { TTYC_KEND, NULL, KEYC_END, TTYKEY_CTRL },
71: { TTYC_KNP, NULL, KEYC_NPAGE, TTYKEY_CTRL },
72: { TTYC_KPP, NULL, KEYC_PPAGE, TTYKEY_CTRL },
73: { TTYC_KCBT, NULL, KEYC_BTAB, TTYKEY_CTRL },
1.1 nicm 74:
1.12 nicm 75: /* Arrow keys. */
1.8 nicm 76: { 0, "\033OA", KEYC_UP, TTYKEY_RAW },
77: { 0, "\033OB", KEYC_DOWN, TTYKEY_RAW },
78: { 0, "\033OC", KEYC_RIGHT, TTYKEY_RAW },
79: { 0, "\033OD", KEYC_LEFT, TTYKEY_RAW },
80:
1.12 nicm 81: { 0, "\033[A", KEYC_UP, TTYKEY_RAW },
82: { 0, "\033[B", KEYC_DOWN, TTYKEY_RAW },
83: { 0, "\033[C", KEYC_RIGHT, TTYKEY_RAW },
84: { 0, "\033[D", KEYC_LEFT, TTYKEY_RAW },
1.8 nicm 85:
1.12 nicm 86: { TTYC_KCUU1, NULL, KEYC_UP, TTYKEY_CTRL },
87: { TTYC_KCUD1, NULL, KEYC_DOWN, TTYKEY_CTRL },
88: { TTYC_KCUB1, NULL, KEYC_LEFT, TTYKEY_CTRL },
89: { TTYC_KCUF1, NULL, KEYC_RIGHT, TTYKEY_CTRL },
90:
91: /* Special-case arrow keys for rxvt until terminfo has kRIT5 etc. */
1.8 nicm 92: { 0, "\033Oa", KEYC_UP|KEYC_CTRL, TTYKEY_RAW },
93: { 0, "\033Ob", KEYC_DOWN|KEYC_CTRL, TTYKEY_RAW },
94: { 0, "\033Oc", KEYC_RIGHT|KEYC_CTRL, TTYKEY_RAW },
95: { 0, "\033Od", KEYC_LEFT|KEYC_CTRL, TTYKEY_RAW },
1.9 nicm 96:
1.8 nicm 97: { 0, "\033[a", KEYC_UP|KEYC_SHIFT, TTYKEY_RAW },
98: { 0, "\033[b", KEYC_DOWN|KEYC_SHIFT, TTYKEY_RAW },
99: { 0, "\033[c", KEYC_RIGHT|KEYC_SHIFT, TTYKEY_RAW },
100: { 0, "\033[d", KEYC_LEFT|KEYC_SHIFT, TTYKEY_RAW },
1.1 nicm 101:
102: /*
1.8 nicm 103: * Numeric keypad. Just use the vt100 escape sequences here and always
104: * put the terminal into keypad_xmit mode. Translation of numbers
105: * mode/applications mode is done in input-keys.c.
1.1 nicm 106: */
1.8 nicm 107: { 0, "\033Oo", KEYC_KP_SLASH, TTYKEY_RAW },
108: { 0, "\033Oj", KEYC_KP_STAR, TTYKEY_RAW },
109: { 0, "\033Om", KEYC_KP_MINUS, TTYKEY_RAW },
110: { 0, "\033Ow", KEYC_KP_SEVEN, TTYKEY_RAW },
111: { 0, "\033Ox", KEYC_KP_EIGHT, TTYKEY_RAW },
112: { 0, "\033Oy", KEYC_KP_NINE, TTYKEY_RAW },
113: { 0, "\033Ok", KEYC_KP_PLUS, TTYKEY_RAW },
114: { 0, "\033Ot", KEYC_KP_FOUR, TTYKEY_RAW },
115: { 0, "\033Ou", KEYC_KP_FIVE, TTYKEY_RAW },
116: { 0, "\033Ov", KEYC_KP_SIX, TTYKEY_RAW },
117: { 0, "\033Oq", KEYC_KP_ONE, TTYKEY_RAW },
118: { 0, "\033Or", KEYC_KP_TWO, TTYKEY_RAW },
119: { 0, "\033Os", KEYC_KP_THREE, TTYKEY_RAW },
120: { 0, "\033OM", KEYC_KP_ENTER, TTYKEY_RAW },
121: { 0, "\033Op", KEYC_KP_ZERO, TTYKEY_RAW },
122: { 0, "\033On", KEYC_KP_PERIOD, TTYKEY_RAW },
1.10 nicm 123:
124: /* Key and modifier capabilities. */
125: { TTYC_KDC2, NULL, KEYC_DC|KEYC_SHIFT, 0 },
126: { TTYC_KDC3, NULL, KEYC_DC|KEYC_ESCAPE, 0 },
127: { TTYC_KDC4, NULL, KEYC_DC|KEYC_SHIFT|KEYC_ESCAPE, 0 },
128: { TTYC_KDC5, NULL, KEYC_DC|KEYC_CTRL, 0 },
129: { TTYC_KDC6, NULL, KEYC_DC|KEYC_SHIFT|KEYC_CTRL, 0 },
130: { TTYC_KDC7, NULL, KEYC_DC|KEYC_ESCAPE|KEYC_CTRL, 0 },
131: { TTYC_KDN2, NULL, KEYC_DOWN|KEYC_SHIFT, 0 },
132: { TTYC_KDN3, NULL, KEYC_DOWN|KEYC_ESCAPE, 0 },
133: { TTYC_KDN4, NULL, KEYC_DOWN|KEYC_SHIFT|KEYC_ESCAPE, 0 },
134: { TTYC_KDN5, NULL, KEYC_DOWN|KEYC_CTRL, 0 },
135: { TTYC_KDN6, NULL, KEYC_DOWN|KEYC_SHIFT|KEYC_CTRL, 0 },
136: { TTYC_KDN7, NULL, KEYC_DOWN|KEYC_ESCAPE|KEYC_CTRL, 0 },
137: { TTYC_KEND2, NULL, KEYC_END|KEYC_SHIFT, 0 },
138: { TTYC_KEND3, NULL, KEYC_END|KEYC_ESCAPE, 0 },
139: { TTYC_KEND4, NULL, KEYC_END|KEYC_SHIFT|KEYC_ESCAPE, 0 },
140: { TTYC_KEND5, NULL, KEYC_END|KEYC_CTRL, 0 },
141: { TTYC_KEND6, NULL, KEYC_END|KEYC_SHIFT|KEYC_CTRL, 0 },
142: { TTYC_KEND7, NULL, KEYC_END|KEYC_ESCAPE|KEYC_CTRL, 0 },
143: { TTYC_KHOM2, NULL, KEYC_HOME|KEYC_SHIFT, 0 },
144: { TTYC_KHOM3, NULL, KEYC_HOME|KEYC_ESCAPE, 0 },
145: { TTYC_KHOM4, NULL, KEYC_HOME|KEYC_SHIFT|KEYC_ESCAPE, 0 },
146: { TTYC_KHOM5, NULL, KEYC_HOME|KEYC_CTRL, 0 },
147: { TTYC_KHOM6, NULL, KEYC_HOME|KEYC_SHIFT|KEYC_CTRL, 0 },
148: { TTYC_KHOM7, NULL, KEYC_HOME|KEYC_ESCAPE|KEYC_CTRL, 0 },
149: { TTYC_KIC2, NULL, KEYC_IC|KEYC_SHIFT, 0 },
150: { TTYC_KIC3, NULL, KEYC_IC|KEYC_ESCAPE, 0 },
151: { TTYC_KIC4, NULL, KEYC_IC|KEYC_SHIFT|KEYC_ESCAPE, 0 },
152: { TTYC_KIC5, NULL, KEYC_IC|KEYC_CTRL, 0 },
153: { TTYC_KIC6, NULL, KEYC_IC|KEYC_SHIFT|KEYC_CTRL, 0 },
154: { TTYC_KIC7, NULL, KEYC_IC|KEYC_ESCAPE|KEYC_CTRL, 0 },
155: { TTYC_KLFT2, NULL, KEYC_LEFT|KEYC_SHIFT, 0 },
156: { TTYC_KLFT3, NULL, KEYC_LEFT|KEYC_ESCAPE, 0 },
157: { TTYC_KLFT4, NULL, KEYC_LEFT|KEYC_SHIFT|KEYC_ESCAPE, 0 },
158: { TTYC_KLFT5, NULL, KEYC_LEFT|KEYC_CTRL, 0 },
159: { TTYC_KLFT6, NULL, KEYC_LEFT|KEYC_SHIFT|KEYC_CTRL, 0 },
160: { TTYC_KLFT7, NULL, KEYC_LEFT|KEYC_ESCAPE|KEYC_CTRL, 0 },
161: { TTYC_KNXT2, NULL, KEYC_NPAGE|KEYC_SHIFT, 0 },
162: { TTYC_KNXT3, NULL, KEYC_NPAGE|KEYC_ESCAPE, 0 },
163: { TTYC_KNXT4, NULL, KEYC_NPAGE|KEYC_SHIFT|KEYC_ESCAPE, 0 },
164: { TTYC_KNXT5, NULL, KEYC_NPAGE|KEYC_CTRL, 0 },
165: { TTYC_KNXT6, NULL, KEYC_NPAGE|KEYC_SHIFT|KEYC_CTRL, 0 },
166: { TTYC_KNXT7, NULL, KEYC_NPAGE|KEYC_ESCAPE|KEYC_CTRL, 0 },
167: { TTYC_KPRV2, NULL, KEYC_PPAGE|KEYC_SHIFT, 0 },
168: { TTYC_KPRV3, NULL, KEYC_PPAGE|KEYC_ESCAPE, 0 },
169: { TTYC_KPRV4, NULL, KEYC_PPAGE|KEYC_SHIFT|KEYC_ESCAPE, 0 },
170: { TTYC_KPRV5, NULL, KEYC_PPAGE|KEYC_CTRL, 0 },
171: { TTYC_KPRV6, NULL, KEYC_PPAGE|KEYC_SHIFT|KEYC_CTRL, 0 },
172: { TTYC_KPRV7, NULL, KEYC_PPAGE|KEYC_ESCAPE|KEYC_CTRL, 0 },
173: { TTYC_KRIT2, NULL, KEYC_RIGHT|KEYC_SHIFT, 0 },
174: { TTYC_KRIT3, NULL, KEYC_RIGHT|KEYC_ESCAPE, 0 },
175: { TTYC_KRIT4, NULL, KEYC_RIGHT|KEYC_SHIFT|KEYC_ESCAPE, 0 },
176: { TTYC_KRIT5, NULL, KEYC_RIGHT|KEYC_CTRL, 0 },
177: { TTYC_KRIT6, NULL, KEYC_RIGHT|KEYC_SHIFT|KEYC_CTRL, 0 },
178: { TTYC_KRIT7, NULL, KEYC_RIGHT|KEYC_ESCAPE|KEYC_CTRL, 0 },
179: { TTYC_KUP2, NULL, KEYC_UP|KEYC_SHIFT, 0 },
180: { TTYC_KUP3, NULL, KEYC_UP|KEYC_ESCAPE, 0 },
181: { TTYC_KUP4, NULL, KEYC_UP|KEYC_SHIFT|KEYC_ESCAPE, 0 },
182: { TTYC_KUP5, NULL, KEYC_UP|KEYC_CTRL, 0 },
183: { TTYC_KUP6, NULL, KEYC_UP|KEYC_SHIFT|KEYC_CTRL, 0 },
184: { TTYC_KUP7, NULL, KEYC_UP|KEYC_ESCAPE|KEYC_CTRL, 0 },
1.1 nicm 185: };
186:
187: RB_GENERATE(tty_keys, tty_key, entry, tty_keys_cmp);
188:
189: struct tty_key *tty_keys_find(struct tty *, char *, size_t, size_t *);
190:
191: int
192: tty_keys_cmp(struct tty_key *k1, struct tty_key *k2)
193: {
194: return (strcmp(k1->string, k2->string));
195: }
196:
197: void
198: tty_keys_add(struct tty *tty, const char *s, int key, int flags)
199: {
200: struct tty_key *tk, *tl;
201:
202: tk = xmalloc(sizeof *tk);
203: tk->string = xstrdup(s);
204: tk->key = key;
205: tk->flags = flags;
206:
207: if ((tl = RB_INSERT(tty_keys, &tty->ktree, tk)) != NULL) {
208: xfree(tk->string);
209: xfree(tk);
210: log_debug("key exists: %s (old %x, new %x)", s, tl->key, key);
211: return;
212: }
213:
214: if (strlen(tk->string) > tty->ksize)
215: tty->ksize = strlen(tk->string);
216: log_debug("new key %x: size now %zu (%s)", key, tty->ksize, tk->string);
217: }
218:
219: void
220: tty_keys_init(struct tty *tty)
221: {
222: struct tty_key_ent *tke;
223: u_int i;
224: const char *s;
225: char tmp[64];
226:
227: RB_INIT(&tty->ktree);
228:
229: tty->ksize = 0;
230: for (i = 0; i < nitems(tty_keys); i++) {
231: tke = &tty_keys[i];
232:
233: if (tke->flags & TTYKEY_RAW)
234: s = tke->string;
235: else {
236: if (!tty_term_has(tty->term, tke->code))
237: continue;
238: s = tty_term_string(tty->term, tke->code);
239: if (s[0] != '\033' || s[1] == '\0')
240: continue;
241: }
242:
243: tty_keys_add(tty, s + 1, tke->key, tke->flags);
244: if (tke->flags & TTYKEY_CTRL) {
245: if (strlcpy(tmp, s, sizeof tmp) >= sizeof tmp)
246: continue;
247: tmp[strlen(tmp) - 1] ^= 0x20;
1.2 nicm 248: tty_keys_add(tty, tmp + 1, tke->key | KEYC_CTRL, 0);
1.1 nicm 249: }
250: }
251: }
252:
253: void
254: tty_keys_free(struct tty *tty)
255: {
256: struct tty_key *tk;
257:
258: while (!RB_EMPTY(&tty->ktree)) {
259: tk = RB_ROOT(&tty->ktree);
260: RB_REMOVE(tty_keys, &tty->ktree, tk);
261: xfree(tk->string);
262: xfree(tk);
263: }
264: }
265:
266: struct tty_key *
267: tty_keys_find(struct tty *tty, char *buf, size_t len, size_t *size)
268: {
269: struct tty_key *tk, tl;
270: char *s;
271:
272: if (len == 0)
273: return (NULL);
274:
275: s = xmalloc(tty->ksize + 1);
276: for (*size = tty->ksize; (*size) > 0; (*size)--) {
277: if ((*size) > len)
278: continue;
279: memcpy(s, buf, *size);
280: s[*size] = '\0';
281:
282: log_debug2("looking for key: %s", s);
283:
284: tl.string = s;
285: tk = RB_FIND(tty_keys, &tty->ktree, &tl);
286: if (tk != NULL) {
287: log_debug2("got key: 0x%x", tk->key);
288: xfree(s);
289: return (tk);
290: }
291: }
292: xfree(s);
293:
294: return (NULL);
295: }
296:
297: int
1.14 ! nicm 298: tty_keys_next(struct tty *tty)
1.1 nicm 299: {
1.14 ! nicm 300: struct tty_key *tk;
! 301: struct timeval tv;
! 302: struct mouse_event mouse;
! 303: char *buf;
! 304: size_t len, size;
! 305: cc_t bspace;
! 306: int key;
! 307: u_char ch;
1.1 nicm 308:
1.13 nicm 309: buf = EVBUFFER_DATA(tty->event->input);
310: len = EVBUFFER_LENGTH(tty->event->input);
1.1 nicm 311: if (len == 0)
1.14 ! nicm 312: return (0);
1.1 nicm 313: log_debug("keys are %zu (%.*s)", len, (int) len, buf);
314:
315: /* If a normal key, return it. */
316: if (*buf != '\033') {
1.13 nicm 317: bufferevent_read(tty->event, &ch, 1);
1.14 ! nicm 318: key = ch;
1.3 nicm 319:
320: /*
321: * Check for backspace key using termios VERASE - the terminfo
322: * kbs entry is extremely unreliable, so cannot be safely
323: * used. termios should have a better idea.
324: */
325: bspace = tty->tio.c_cc[VERASE];
1.14 ! nicm 326: if (bspace != _POSIX_VDISABLE && key == bspace)
! 327: key = KEYC_BSPACE;
1.1 nicm 328: goto found;
329: }
330:
331: /* Look for matching key string and return if found. */
332: tk = tty_keys_find(tty, buf + 1, len - 1, &size);
333: if (tk != NULL) {
1.13 nicm 334: evbuffer_drain(tty->event->input, size + 1);
1.14 ! nicm 335: key = tk->key;
1.1 nicm 336: goto found;
337: }
338:
339: /* Not found. Is this a mouse key press? */
1.14 ! nicm 340: key = tty_keys_mouse(buf, len, &size, &mouse);
! 341: if (key != KEYC_NONE) {
1.13 nicm 342: evbuffer_drain(tty->event->input, size);
1.11 nicm 343: goto found;
344: }
345:
346: /* Not found. Try to parse a key with an xterm-style modifier. */
1.14 ! nicm 347: key = xterm_keys_find(buf, len, &size);
! 348: if (key != KEYC_NONE) {
1.13 nicm 349: evbuffer_drain(tty->event->input, size);
1.1 nicm 350: goto found;
351: }
352:
353: /* Skip the escape. */
354: buf++;
355: len--;
356:
357: /* Is there a normal key following? */
358: if (len != 0 && *buf != '\033') {
1.13 nicm 359: evbuffer_drain(tty->event->input, 1);
360: bufferevent_read(tty->event, &ch, 1);
1.14 ! nicm 361: key = ch | KEYC_ESCAPE;
1.1 nicm 362: goto found;
363: }
364:
365: /* Or a key string? */
366: if (len > 1) {
367: tk = tty_keys_find(tty, buf + 1, len - 1, &size);
368: if (tk != NULL) {
1.13 nicm 369: evbuffer_drain(tty->event->input, size + 2);
1.14 ! nicm 370: key = tk->key | KEYC_ESCAPE;
1.1 nicm 371: goto found;
372: }
373: }
374:
1.14 ! nicm 375: /*
! 376: * Escape but no key string. If have, already seen an escape, then the
! 377: * timer must have expired, so give up waiting and send the escape.
! 378: */
! 379: if (tty->flags & TTY_ESCAPE) {
! 380: evbuffer_drain(tty->event->input, 1);
! 381: key = '\033';
! 382: goto found;
! 383: }
! 384:
! 385: /* Start the timer and wait for expiry or more data. */
! 386: tv.tv_sec = 0;
! 387: tv.tv_usec = ESCAPE_PERIOD * 1000L;
! 388:
! 389: evtimer_del(&tty->key_timer);
! 390: evtimer_set(&tty->key_timer, tty_keys_callback, tty);
! 391: evtimer_add(&tty->key_timer, &tv);
! 392:
! 393: tty->flags |= TTY_ESCAPE;
! 394: return (0);
1.1 nicm 395:
396: found:
1.14 ! nicm 397: evtimer_del(&tty->key_timer);
! 398: tty->key_callback(key, &mouse, tty->key_data);
1.1 nicm 399: tty->flags &= ~TTY_ESCAPE;
1.14 ! nicm 400: return (1);
! 401: }
! 402:
! 403: void
! 404: tty_keys_callback(unused int fd, unused short events, void *data)
! 405: {
! 406: struct tty *tty = data;
! 407:
! 408: if (tty->flags & TTY_ESCAPE)
! 409: tty_keys_next(tty);
1.1 nicm 410: }
411:
412: int
1.6 nicm 413: tty_keys_mouse(char *buf, size_t len, size_t *size, struct mouse_event *m)
1.1 nicm 414: {
415: /*
416: * Mouse sequences are \033[M followed by three characters indicating
417: * buttons, X and Y, all based at 32 with 1,1 top-left.
418: */
419:
420: log_debug("mouse input is: %.*s", (int) len, buf);
421: if (len != 6 || memcmp(buf, "\033[M", 3) != 0)
422: return (KEYC_NONE);
423: *size = 6;
424:
1.5 nicm 425: m->b = buf[3];
426: m->x = buf[4];
427: m->y = buf[5];
428: if (m->b < 32 || m->x < 33 || m->y < 33)
1.1 nicm 429: return (KEYC_NONE);
1.5 nicm 430: m->b -= 32;
431: m->x -= 33;
432: m->y -= 33;
1.1 nicm 433: return (KEYC_MOUSE);
434: }
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