Annotation of src/usr.bin/tmux/input-keys.c, Revision 1.81
1.81 ! nicm 1: /* $OpenBSD: input-keys.c,v 1.80 2020/09/18 11:20:59 nicm Exp $ */
1.1 nicm 2:
3: /*
1.53 nicm 4: * Copyright (c) 2007 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 <stdint.h>
22: #include <stdlib.h>
23: #include <string.h>
24:
25: #include "tmux.h"
26:
1.8 nicm 27: /*
28: * This file is rather misleadingly named, it contains the code which takes a
29: * key code and translates it into something suitable to be sent to the
30: * application running in a pane (similar to input.c does in the other
31: * direction with output).
32: */
33:
1.56 nicm 34: static void input_key_mouse(struct window_pane *, struct mouse_event *);
1.42 nicm 35:
1.72 nicm 36: /* Entry in the key tree. */
37: struct input_key_entry {
38: key_code key;
39: const char *data;
40:
41: RB_ENTRY(input_key_entry) entry;
1.1 nicm 42: };
1.72 nicm 43: RB_HEAD(input_key_tree, input_key_entry);
44:
45: /* Tree of input keys. */
46: static int input_key_cmp(struct input_key_entry *,
47: struct input_key_entry *);
48: RB_GENERATE_STATIC(input_key_tree, input_key_entry, entry, input_key_cmp);
49: struct input_key_tree input_key_tree = RB_INITIALIZER(&input_key_tree);
1.1 nicm 50:
1.72 nicm 51: /* List of default keys, the tree is built from this. */
52: static struct input_key_entry input_key_defaults[] = {
1.61 nicm 53: /* Paste keys. */
1.72 nicm 54: { .key = KEYC_PASTE_START,
55: .data = "\033[200~"
56: },
57: { .key = KEYC_PASTE_END,
58: .data = "\033[201~"
59: },
1.3 nicm 60:
1.1 nicm 61: /* Function keys. */
1.72 nicm 62: { .key = KEYC_F1,
63: .data = "\033OP"
64: },
65: { .key = KEYC_F2,
66: .data = "\033OQ"
67: },
68: { .key = KEYC_F3,
69: .data = "\033OR"
70: },
71: { .key = KEYC_F4,
72: .data = "\033OS"
73: },
74: { .key = KEYC_F5,
75: .data = "\033[15~"
76: },
77: { .key = KEYC_F6,
78: .data = "\033[17~"
79: },
80: { .key = KEYC_F7,
81: .data = "\033[18~"
82: },
83: { .key = KEYC_F8,
84: .data = "\033[19~"
85: },
86: { .key = KEYC_F9,
87: .data = "\033[20~"
88: },
89: { .key = KEYC_F10,
90: .data = "\033[21~"
91: },
92: { .key = KEYC_F11,
93: .data = "\033[23~"
94: },
95: { .key = KEYC_F12,
96: .data = "\033[24~"
97: },
98: { .key = KEYC_F1|KEYC_SHIFT,
99: .data = "\033[25~"
100: },
101: { .key = KEYC_F2|KEYC_SHIFT,
102: .data = "\033[26~"
103: },
104: { .key = KEYC_F3|KEYC_SHIFT,
105: .data = "\033[28~"
106: },
107: { .key = KEYC_F4|KEYC_SHIFT,
108: .data = "\033[29~"
109: },
110: { .key = KEYC_F5|KEYC_SHIFT,
111: .data = "\033[31~"
112: },
113: { .key = KEYC_F6|KEYC_SHIFT,
114: .data = "\033[32~"
115: },
116: { .key = KEYC_F7|KEYC_SHIFT,
117: .data = "\033[33~"
118: },
119: { .key = KEYC_F8|KEYC_SHIFT,
120: .data = "\033[34~"
121: },
122: { .key = KEYC_IC,
123: .data = "\033[2~"
124: },
125: { .key = KEYC_DC,
126: .data = "\033[3~"
127: },
128: { .key = KEYC_HOME,
129: .data = "\033[1~"
130: },
131: { .key = KEYC_END,
132: .data = "\033[4~"
133: },
134: { .key = KEYC_NPAGE,
135: .data = "\033[6~"
136: },
137: { .key = KEYC_PPAGE,
138: .data = "\033[5~"
139: },
140: { .key = KEYC_BTAB,
141: .data = "\033[Z"
142: },
143:
144: /* Arrow keys. */
145: { .key = KEYC_UP|KEYC_CURSOR,
146: .data = "\033OA"
147: },
148: { .key = KEYC_DOWN|KEYC_CURSOR,
149: .data = "\033OB"
150: },
151: { .key = KEYC_RIGHT|KEYC_CURSOR,
152: .data = "\033OC"
153: },
154: { .key = KEYC_LEFT|KEYC_CURSOR,
155: .data = "\033OD"
156: },
157: { .key = KEYC_UP,
158: .data = "\033[A"
159: },
160: { .key = KEYC_DOWN,
161: .data = "\033[B"
162: },
163: { .key = KEYC_RIGHT,
164: .data = "\033[C"
165: },
166: { .key = KEYC_LEFT,
167: .data = "\033[D"
168: },
169:
170: /* Keypad keys. */
171: { .key = KEYC_KP_SLASH|KEYC_KEYPAD,
172: .data = "\033Oo"
173: },
174: { .key = KEYC_KP_STAR|KEYC_KEYPAD,
175: .data = "\033Oj"
176: },
177: { .key = KEYC_KP_MINUS|KEYC_KEYPAD,
178: .data = "\033Om"
179: },
180: { .key = KEYC_KP_SEVEN|KEYC_KEYPAD,
181: .data = "\033Ow"
182: },
183: { .key = KEYC_KP_EIGHT|KEYC_KEYPAD,
184: .data = "\033Ox"
185: },
186: { .key = KEYC_KP_NINE|KEYC_KEYPAD,
187: .data = "\033Oy"
188: },
189: { .key = KEYC_KP_PLUS|KEYC_KEYPAD,
190: .data = "\033Ok"
191: },
192: { .key = KEYC_KP_FOUR|KEYC_KEYPAD,
193: .data = "\033Ot"
194: },
195: { .key = KEYC_KP_FIVE|KEYC_KEYPAD,
196: .data = "\033Ou"
197: },
198: { .key = KEYC_KP_SIX|KEYC_KEYPAD,
199: .data = "\033Ov"
200: },
201: { .key = KEYC_KP_ONE|KEYC_KEYPAD,
202: .data = "\033Oq"
203: },
204: { .key = KEYC_KP_TWO|KEYC_KEYPAD,
205: .data = "\033Or"
206: },
207: { .key = KEYC_KP_THREE|KEYC_KEYPAD,
208: .data = "\033Os"
209: },
210: { .key = KEYC_KP_ENTER|KEYC_KEYPAD,
211: .data = "\033OM"
212: },
213: { .key = KEYC_KP_ZERO|KEYC_KEYPAD,
214: .data = "\033Op"
215: },
216: { .key = KEYC_KP_PERIOD|KEYC_KEYPAD,
217: .data = "\033On"
218: },
219: { .key = KEYC_KP_SLASH,
220: .data = "/"
221: },
222: { .key = KEYC_KP_STAR,
223: .data = "*"
224: },
225: { .key = KEYC_KP_MINUS,
226: .data = "-"
227: },
228: { .key = KEYC_KP_SEVEN,
229: .data = "7"
230: },
231: { .key = KEYC_KP_EIGHT,
232: .data = "8"
233: },
234: { .key = KEYC_KP_NINE,
235: .data = "9"
236: },
237: { .key = KEYC_KP_PLUS,
238: .data = "+"
239: },
240: { .key = KEYC_KP_FOUR,
241: .data = "4"
242: },
243: { .key = KEYC_KP_FIVE,
244: .data = "5"
245: },
246: { .key = KEYC_KP_SIX,
247: .data = "6"
248: },
249: { .key = KEYC_KP_ONE,
250: .data = "1"
251: },
252: { .key = KEYC_KP_TWO,
253: .data = "2"
254: },
255: { .key = KEYC_KP_THREE,
256: .data = "3"
257: },
258: { .key = KEYC_KP_ENTER,
259: .data = "\n"
260: },
261: { .key = KEYC_KP_ZERO,
262: .data = "0"
263: },
264: { .key = KEYC_KP_PERIOD,
265: .data = "."
266: },
267:
268: /* Keys with an embedded modifier. */
1.74 nicm 269: { .key = KEYC_F1|KEYC_BUILD_MODIFIERS,
1.72 nicm 270: .data = "\033[1;_P"
271: },
1.74 nicm 272: { .key = KEYC_F2|KEYC_BUILD_MODIFIERS,
1.72 nicm 273: .data = "\033[1;_Q"
274: },
1.74 nicm 275: { .key = KEYC_F3|KEYC_BUILD_MODIFIERS,
1.72 nicm 276: .data = "\033[1;_R"
277: },
1.74 nicm 278: { .key = KEYC_F4|KEYC_BUILD_MODIFIERS,
1.72 nicm 279: .data = "\033[1;_S"
280: },
1.74 nicm 281: { .key = KEYC_F5|KEYC_BUILD_MODIFIERS,
1.72 nicm 282: .data = "\033[15;_~"
283: },
1.74 nicm 284: { .key = KEYC_F6|KEYC_BUILD_MODIFIERS,
1.72 nicm 285: .data = "\033[17;_~"
286: },
1.74 nicm 287: { .key = KEYC_F7|KEYC_BUILD_MODIFIERS,
1.72 nicm 288: .data = "\033[18;_~"
289: },
1.74 nicm 290: { .key = KEYC_F8|KEYC_BUILD_MODIFIERS,
1.72 nicm 291: .data = "\033[19;_~"
292: },
1.74 nicm 293: { .key = KEYC_F9|KEYC_BUILD_MODIFIERS,
1.72 nicm 294: .data = "\033[20;_~"
295: },
1.74 nicm 296: { .key = KEYC_F10|KEYC_BUILD_MODIFIERS,
1.72 nicm 297: .data = "\033[21;_~"
298: },
1.74 nicm 299: { .key = KEYC_F11|KEYC_BUILD_MODIFIERS,
1.72 nicm 300: .data = "\033[23;_~"
301: },
1.74 nicm 302: { .key = KEYC_F12|KEYC_BUILD_MODIFIERS,
1.72 nicm 303: .data = "\033[24;_~"
304: },
1.74 nicm 305: { .key = KEYC_UP|KEYC_BUILD_MODIFIERS,
1.72 nicm 306: .data = "\033[1;_A"
307: },
1.74 nicm 308: { .key = KEYC_DOWN|KEYC_BUILD_MODIFIERS,
1.72 nicm 309: .data = "\033[1;_B"
310: },
1.74 nicm 311: { .key = KEYC_RIGHT|KEYC_BUILD_MODIFIERS,
1.72 nicm 312: .data = "\033[1;_C"
313: },
1.74 nicm 314: { .key = KEYC_LEFT|KEYC_BUILD_MODIFIERS,
1.72 nicm 315: .data = "\033[1;_D"
316: },
1.74 nicm 317: { .key = KEYC_HOME|KEYC_BUILD_MODIFIERS,
1.72 nicm 318: .data = "\033[1;_H"
319: },
1.74 nicm 320: { .key = KEYC_END|KEYC_BUILD_MODIFIERS,
1.72 nicm 321: .data = "\033[1;_F"
322: },
1.74 nicm 323: { .key = KEYC_PPAGE|KEYC_BUILD_MODIFIERS,
1.72 nicm 324: .data = "\033[5;_~"
325: },
1.74 nicm 326: { .key = KEYC_NPAGE|KEYC_BUILD_MODIFIERS,
1.72 nicm 327: .data = "\033[6;_~"
328: },
1.74 nicm 329: { .key = KEYC_IC|KEYC_BUILD_MODIFIERS,
1.72 nicm 330: .data = "\033[2;_~"
331: },
1.74 nicm 332: { .key = KEYC_DC|KEYC_BUILD_MODIFIERS,
1.81 ! nicm 333: .data = "\033[3;_~"
! 334: }
1.72 nicm 335: };
336: static const key_code input_key_modifiers[] = {
337: 0,
338: 0,
1.74 nicm 339: KEYC_SHIFT,
340: KEYC_META|KEYC_IMPLIED_META,
341: KEYC_SHIFT|KEYC_META|KEYC_IMPLIED_META,
342: KEYC_CTRL,
343: KEYC_SHIFT|KEYC_CTRL,
344: KEYC_META|KEYC_IMPLIED_META|KEYC_CTRL,
345: KEYC_SHIFT|KEYC_META|KEYC_IMPLIED_META|KEYC_CTRL
1.72 nicm 346: };
1.7 nicm 347:
1.72 nicm 348: /* Input key comparison function. */
349: static int
350: input_key_cmp(struct input_key_entry *ike1, struct input_key_entry *ike2)
351: {
352: if (ike1->key < ike2->key)
353: return (-1);
354: if (ike1->key > ike2->key)
355: return (1);
356: return (0);
357: }
1.1 nicm 358:
1.74 nicm 359: /* Look for key in tree. */
360: static struct input_key_entry *
361: input_key_get (key_code key)
362: {
363: struct input_key_entry entry = { .key = key };
364:
365: return (RB_FIND(input_key_tree, &input_key_tree, &entry));
366: }
367:
1.54 nicm 368: /* Split a character into two UTF-8 bytes. */
369: static size_t
1.72 nicm 370: input_key_split2(u_int c, u_char *dst)
1.54 nicm 371: {
372: if (c > 0x7f) {
373: dst[0] = (c >> 6) | 0xc0;
374: dst[1] = (c & 0x3f) | 0x80;
375: return (2);
376: }
377: dst[0] = c;
378: return (1);
379: }
380:
1.72 nicm 381: /* Build input key tree. */
382: void
383: input_key_build(void)
384: {
385: struct input_key_entry *ike, *new;
386: u_int i, j;
387: char *data;
1.74 nicm 388: key_code key;
1.72 nicm 389:
390: for (i = 0; i < nitems(input_key_defaults); i++) {
391: ike = &input_key_defaults[i];
1.74 nicm 392: if (~ike->key & KEYC_BUILD_MODIFIERS) {
1.72 nicm 393: RB_INSERT(input_key_tree, &input_key_tree, ike);
394: continue;
395: }
396:
397: for (j = 2; j < nitems(input_key_modifiers); j++) {
1.74 nicm 398: key = (ike->key & ~KEYC_BUILD_MODIFIERS);
1.72 nicm 399: data = xstrdup(ike->data);
400: data[strcspn(data, "_")] = '0' + j;
401:
402: new = xcalloc(1, sizeof *new);
1.74 nicm 403: new->key = key|input_key_modifiers[j];
1.72 nicm 404: new->data = data;
405: RB_INSERT(input_key_tree, &input_key_tree, new);
406: }
407: }
408:
409: RB_FOREACH(ike, input_key_tree, &input_key_tree) {
410: log_debug("%s: 0x%llx (%s) is %s", __func__, ike->key,
1.74 nicm 411: key_string_lookup_key(ike->key, 1), ike->data);
1.72 nicm 412: }
413: }
414:
1.69 nicm 415: /* Translate a key code into an output key sequence for a pane. */
416: int
417: input_key_pane(struct window_pane *wp, key_code key, struct mouse_event *m)
418: {
1.72 nicm 419: if (log_get_level() != 0) {
420: log_debug("writing key 0x%llx (%s) to %%%u", key,
1.74 nicm 421: key_string_lookup_key(key, 1), wp->id);
1.72 nicm 422: }
1.69 nicm 423:
424: if (KEYC_IS_MOUSE(key)) {
425: if (m != NULL && m->wp != -1 && (u_int)m->wp == wp->id)
426: input_key_mouse(wp, m);
427: return (0);
428: }
1.72 nicm 429: return (input_key(wp->screen, wp->event, key));
1.69 nicm 430: }
431:
1.8 nicm 432: /* Translate a key code into an output key sequence. */
1.67 nicm 433: int
1.72 nicm 434: input_key(struct screen *s, struct bufferevent *bev, key_code key)
1.1 nicm 435: {
1.74 nicm 436: struct input_key_entry *ike;
1.75 nicm 437: key_code justkey, newkey, outkey;
1.72 nicm 438: struct utf8_data ud;
1.75 nicm 439: char tmp[64], modifier;
1.1 nicm 440:
1.69 nicm 441: /* Mouse keys need a pane. */
442: if (KEYC_IS_MOUSE(key))
1.67 nicm 443: return (0);
1.64 nicm 444:
445: /* Literal keys go as themselves (can't be more than eight bits). */
446: if (key & KEYC_LITERAL) {
447: ud.data[0] = (u_char)key;
1.69 nicm 448: bufferevent_write(bev, &ud.data[0], 1);
1.67 nicm 449: return (0);
1.65 nicm 450: }
451:
452: /* Is this backspace? */
453: if ((key & KEYC_MASK_KEY) == KEYC_BSPACE) {
1.66 nicm 454: newkey = options_get_number(global_options, "backspace");
455: if (newkey >= 0x7f)
456: newkey = '\177';
1.74 nicm 457: key = newkey|(key & (KEYC_MASK_MODIFIERS|KEYC_MASK_FLAGS));
1.42 nicm 458: }
1.1 nicm 459:
1.8 nicm 460: /*
461: * If this is a normal 7-bit key, just send it, with a leading escape
1.46 nicm 462: * if necessary. If it is a UTF-8 key, split it and send it.
1.8 nicm 463: */
1.75 nicm 464: justkey = (key & ~(KEYC_META|KEYC_IMPLIED_META));
1.52 nicm 465: if (justkey <= 0x7f) {
1.73 nicm 466: if (key & KEYC_META)
1.69 nicm 467: bufferevent_write(bev, "\033", 1);
1.47 nicm 468: ud.data[0] = justkey;
1.69 nicm 469: bufferevent_write(bev, &ud.data[0], 1);
1.67 nicm 470: return (0);
1.46 nicm 471: }
1.52 nicm 472: if (justkey > 0x7f && justkey < KEYC_BASE) {
1.73 nicm 473: if (key & KEYC_META)
1.69 nicm 474: bufferevent_write(bev, "\033", 1);
1.78 nicm 475: utf8_to_data(justkey, &ud);
1.69 nicm 476: bufferevent_write(bev, ud.data, ud.size);
1.67 nicm 477: return (0);
1.12 nicm 478: }
479:
1.18 nicm 480: /*
1.72 nicm 481: * Look up in the tree. If not in application keypad or cursor mode,
482: * remove the flags from the key.
1.12 nicm 483: */
1.72 nicm 484: if (~s->mode & MODE_KKEYPAD)
485: key &= ~KEYC_KEYPAD;
486: if (~s->mode & MODE_KCURSOR)
487: key &= ~KEYC_CURSOR;
1.74 nicm 488: ike = input_key_get(key);
489: if (ike == NULL && (key & KEYC_META) && (~key & KEYC_IMPLIED_META))
490: ike = input_key_get(key & ~KEYC_META);
1.79 nicm 491: if (ike == NULL && (key & KEYC_CURSOR))
492: ike = input_key_get(key & ~KEYC_CURSOR);
493: if (ike == NULL && (key & KEYC_KEYPAD))
494: ike = input_key_get(key & ~KEYC_KEYPAD);
1.75 nicm 495: if (ike != NULL) {
496: log_debug("found key 0x%llx: \"%s\"", key, ike->data);
1.79 nicm 497: if ((key & KEYC_META) && (~key & KEYC_IMPLIED_META))
1.75 nicm 498: bufferevent_write(bev, "\033", 1);
499: bufferevent_write(bev, ike->data, strlen(ike->data));
500: return (0);
1.1 nicm 501: }
502:
1.75 nicm 503: /* No builtin key sequence; construct an extended key sequence. */
1.76 nicm 504: if (~s->mode & MODE_KEXTENDED) {
1.77 nicm 505: if ((key & KEYC_MASK_MODIFIERS) != KEYC_CTRL)
506: goto missing;
1.79 nicm 507: justkey = (key & KEYC_MASK_KEY);
1.77 nicm 508: switch (justkey) {
509: case ' ':
510: case '2':
1.79 nicm 511: key = 0|(key & ~KEYC_MASK_KEY);
1.77 nicm 512: break;
513: case '|':
514: key = 28|(key & ~KEYC_MASK_KEY);
515: break;
516: case '6':
517: key = 30|(key & ~KEYC_MASK_KEY);
518: break;
519: case '-':
520: case '/':
521: key = 31|(key & ~KEYC_MASK_KEY);
522: break;
523: case '?':
524: key = 127|(key & ~KEYC_MASK_KEY);
525: break;
526: default:
527: if (justkey >= 'A' && justkey <= '_')
528: key = (justkey - 'A')|(key & ~KEYC_MASK_KEY);
529: else if (justkey >= 'a' && justkey <= '~')
530: key = (justkey - 96)|(key & ~KEYC_MASK_KEY);
1.79 nicm 531: else
532: return (0);
1.77 nicm 533: break;
534: }
535: return (input_key(s, bev, key & ~KEYC_CTRL));
1.76 nicm 536: }
1.75 nicm 537: outkey = (key & KEYC_MASK_KEY);
538: switch (key & KEYC_MASK_MODIFIERS) {
539: case KEYC_SHIFT:
540: modifier = '2';
541: break;
542: case KEYC_META:
543: modifier = '3';
544: break;
545: case KEYC_SHIFT|KEYC_META:
546: modifier = '4';
547: break;
548: case KEYC_CTRL:
549: modifier = '5';
550: break;
551: case KEYC_SHIFT|KEYC_CTRL:
552: modifier = '6';
553: break;
554: case KEYC_META|KEYC_CTRL:
555: modifier = '7';
556: break;
557: case KEYC_SHIFT|KEYC_META|KEYC_CTRL:
558: modifier = '8';
559: break;
1.80 nicm 560: default:
1.81 ! nicm 561: goto missing;
1.75 nicm 562: }
563: xsnprintf(tmp, sizeof tmp, "\033[%llu;%cu", outkey, modifier);
564: bufferevent_write(bev, tmp, strlen(tmp));
1.67 nicm 565: return (0);
1.75 nicm 566:
567: missing:
568: log_debug("key 0x%llx missing", key);
569: return (-1);
1.1 nicm 570: }
571:
1.70 nicm 572: /* Get mouse event string. */
573: int
574: input_key_get_mouse(struct screen *s, struct mouse_event *m, u_int x, u_int y,
575: const char **rbuf, size_t *rlen)
1.1 nicm 576: {
1.70 nicm 577: static char buf[40];
1.59 nicm 578: size_t len;
1.42 nicm 579:
1.70 nicm 580: *rbuf = NULL;
581: *rlen = 0;
1.24 nicm 582:
1.59 nicm 583: /* If this pane is not in button or all mode, discard motion events. */
1.68 nicm 584: if (MOUSE_DRAG(m->b) && (s->mode & MOTION_MOUSE_MODES) == 0)
1.71 nicm 585: return (0);
586: if ((s->mode & ALL_MOUSE_MODES) == 0)
1.70 nicm 587: return (0);
1.59 nicm 588:
589: /*
590: * If this event is a release event and not in all mode, discard it.
591: * In SGR mode we can tell absolutely because a release is normally
592: * shown by the last character. Without SGR, we check if the last
593: * buttons was also a release.
594: */
595: if (m->sgr_type != ' ') {
596: if (MOUSE_DRAG(m->sgr_b) &&
597: MOUSE_BUTTONS(m->sgr_b) == 3 &&
1.68 nicm 598: (~s->mode & MODE_MOUSE_ALL))
1.70 nicm 599: return (0);
1.59 nicm 600: } else {
601: if (MOUSE_DRAG(m->b) &&
602: MOUSE_BUTTONS(m->b) == 3 &&
603: MOUSE_BUTTONS(m->lb) == 3 &&
1.68 nicm 604: (~s->mode & MODE_MOUSE_ALL))
1.70 nicm 605: return (0);
1.59 nicm 606: }
1.42 nicm 607:
608: /*
609: * Use the SGR (1006) extension only if the application requested it
610: * and the underlying terminal also sent the event in this format (this
611: * is because an old style mouse release event cannot be converted into
612: * the new SGR format, since the released button is unknown). Otherwise
613: * pretend that tmux doesn't speak this extension, and fall back to the
1.51 nicm 614: * UTF-8 (1005) extension if the application requested, or to the
1.42 nicm 615: * legacy format.
616: */
1.59 nicm 617: if (m->sgr_type != ' ' && (s->mode & MODE_MOUSE_SGR)) {
1.42 nicm 618: len = xsnprintf(buf, sizeof buf, "\033[<%u;%u;%u%c",
619: m->sgr_b, x + 1, y + 1, m->sgr_type);
1.59 nicm 620: } else if (s->mode & MODE_MOUSE_UTF8) {
1.55 nicm 621: if (m->b > 0x7ff - 32 || x > 0x7ff - 33 || y > 0x7ff - 33)
1.70 nicm 622: return (0);
1.51 nicm 623: len = xsnprintf(buf, sizeof buf, "\033[M");
1.72 nicm 624: len += input_key_split2(m->b + 32, &buf[len]);
625: len += input_key_split2(x + 33, &buf[len]);
626: len += input_key_split2(y + 33, &buf[len]);
1.42 nicm 627: } else {
628: if (m->b > 223)
1.70 nicm 629: return (0);
1.42 nicm 630: len = xsnprintf(buf, sizeof buf, "\033[M");
631: buf[len++] = m->b + 32;
632: buf[len++] = x + 33;
633: buf[len++] = y + 33;
1.1 nicm 634: }
1.70 nicm 635:
636: *rbuf = buf;
637: *rlen = len;
638: return (1);
639: }
640:
641: /* Translate mouse and output. */
642: static void
643: input_key_mouse(struct window_pane *wp, struct mouse_event *m)
644: {
645: struct screen *s = wp->screen;
646: u_int x, y;
647: const char *buf;
648: size_t len;
649:
650: /* Ignore events if no mouse mode or the pane is not visible. */
651: if (m->ignore || (s->mode & ALL_MOUSE_MODES) == 0)
652: return;
653: if (cmd_mouse_at(wp, m, &x, &y, 0) != 0)
654: return;
655: if (!window_pane_visible(wp))
656: return;
657: if (!input_key_get_mouse(s, m, x, y, &buf, &len))
658: return;
1.44 nicm 659: log_debug("writing mouse %.*s to %%%u", (int)len, buf, wp->id);
1.42 nicm 660: bufferevent_write(wp->event, buf, len);
1.1 nicm 661: }
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