Annotation of src/usr.bin/tmux/server-client.c, Revision 1.308
1.308 ! nicm 1: /* $OpenBSD: server-client.c,v 1.307 2020/03/16 06:12:42 nicm Exp $ */
1.1 nicm 2:
3: /*
1.181 nicm 4: * Copyright (c) 2009 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>
1.92 nicm 20: #include <sys/ioctl.h>
1.162 nicm 21: #include <sys/uio.h>
1.1 nicm 22:
1.114 benno 23: #include <errno.h>
1.12 nicm 24: #include <event.h>
1.1 nicm 25: #include <fcntl.h>
1.162 nicm 26: #include <imsg.h>
1.98 nicm 27: #include <paths.h>
28: #include <stdlib.h>
1.1 nicm 29: #include <string.h>
1.4 nicm 30: #include <time.h>
1.1 nicm 31: #include <unistd.h>
32:
33: #include "tmux.h"
34:
1.190 nicm 35: static void server_client_free(int, short, void *);
36: static void server_client_check_focus(struct window_pane *);
37: static void server_client_check_resize(struct window_pane *);
1.276 nicm 38: static key_code server_client_check_mouse(struct client *, struct key_event *);
1.190 nicm 39: static void server_client_repeat_timer(int, short, void *);
1.192 nicm 40: static void server_client_click_timer(int, short, void *);
1.190 nicm 41: static void server_client_check_exit(struct client *);
42: static void server_client_check_redraw(struct client *);
43: static void server_client_set_title(struct client *);
44: static void server_client_reset_state(struct client *);
45: static int server_client_assume_paste(struct session *);
1.281 nicm 46: static void server_client_clear_overlay(struct client *);
1.294 nicm 47: static void server_client_resize_event(int, short, void *);
1.190 nicm 48:
49: static void server_client_dispatch(struct imsg *, void *);
50: static void server_client_dispatch_command(struct client *, struct imsg *);
51: static void server_client_dispatch_identify(struct client *, struct imsg *);
52: static void server_client_dispatch_shell(struct client *);
1.300 nicm 53: static void server_client_dispatch_write_ready(struct client *,
54: struct imsg *);
55: static void server_client_dispatch_read_data(struct client *,
56: struct imsg *);
57: static void server_client_dispatch_read_done(struct client *,
58: struct imsg *);
1.233 nicm 59:
60: /* Number of attached clients. */
61: u_int
62: server_client_how_many(void)
63: {
64: struct client *c;
65: u_int n;
66:
67: n = 0;
68: TAILQ_FOREACH(c, &clients, entry) {
69: if (c->session != NULL && (~c->flags & CLIENT_DETACHING))
70: n++;
71: }
72: return (n);
73: }
1.140 nicm 74:
1.281 nicm 75: /* Overlay timer callback. */
1.214 nicm 76: static void
1.281 nicm 77: server_client_overlay_timer(__unused int fd, __unused short events, void *data)
1.214 nicm 78: {
1.281 nicm 79: server_client_clear_overlay(data);
1.214 nicm 80: }
81:
1.281 nicm 82: /* Set an overlay on client. */
1.214 nicm 83: void
1.281 nicm 84: server_client_set_overlay(struct client *c, u_int delay, overlay_draw_cb drawcb,
85: overlay_key_cb keycb, overlay_free_cb freecb, void *data)
1.214 nicm 86: {
87: struct timeval tv;
88:
1.282 nicm 89: if (c->overlay_draw != NULL)
90: server_client_clear_overlay(c);
91:
1.214 nicm 92: tv.tv_sec = delay / 1000;
93: tv.tv_usec = (delay % 1000) * 1000L;
94:
1.281 nicm 95: if (event_initialized(&c->overlay_timer))
96: evtimer_del(&c->overlay_timer);
97: evtimer_set(&c->overlay_timer, server_client_overlay_timer, c);
1.242 nicm 98: if (delay != 0)
1.281 nicm 99: evtimer_add(&c->overlay_timer, &tv);
100:
101: c->overlay_draw = drawcb;
102: c->overlay_key = keycb;
103: c->overlay_free = freecb;
104: c->overlay_data = data;
1.214 nicm 105:
106: c->tty.flags |= (TTY_FREEZE|TTY_NOCURSOR);
107: server_redraw_client(c);
108: }
109:
1.281 nicm 110: /* Clear overlay mode on client. */
1.254 nicm 111: static void
1.281 nicm 112: server_client_clear_overlay(struct client *c)
1.214 nicm 113: {
1.281 nicm 114: if (c->overlay_draw == NULL)
1.214 nicm 115: return;
116:
1.281 nicm 117: if (event_initialized(&c->overlay_timer))
118: evtimer_del(&c->overlay_timer);
119:
120: if (c->overlay_free != NULL)
121: c->overlay_free(c);
122:
123: c->overlay_draw = NULL;
124: c->overlay_key = NULL;
1.214 nicm 125:
126: c->tty.flags &= ~(TTY_FREEZE|TTY_NOCURSOR);
127: server_redraw_client(c);
128: }
129:
1.140 nicm 130: /* Check if this client is inside this server. */
131: int
132: server_client_check_nested(struct client *c)
133: {
134: struct environ_entry *envent;
135: struct window_pane *wp;
136:
1.164 nicm 137: envent = environ_find(c->environ, "TMUX");
1.140 nicm 138: if (envent == NULL || *envent->value == '\0')
139: return (0);
140:
141: RB_FOREACH(wp, window_pane_tree, &all_window_panes) {
1.216 nicm 142: if (strcmp(wp->tty, c->ttyname) == 0)
1.140 nicm 143: return (1);
144: }
145: return (0);
146: }
1.1 nicm 147:
1.132 nicm 148: /* Set client key table. */
149: void
1.178 nicm 150: server_client_set_key_table(struct client *c, const char *name)
1.132 nicm 151: {
1.178 nicm 152: if (name == NULL)
153: name = server_client_get_key_table(c);
154:
1.132 nicm 155: key_bindings_unref_table(c->keytable);
156: c->keytable = key_bindings_get_table(name, 1);
157: c->keytable->references++;
158: }
159:
1.178 nicm 160: /* Get default key table. */
161: const char *
162: server_client_get_key_table(struct client *c)
163: {
164: struct session *s = c->session;
165: const char *name;
166:
167: if (s == NULL)
168: return ("root");
169:
170: name = options_get_string(s->options, "key-table");
171: if (*name == '\0')
172: return ("root");
173: return (name);
174: }
175:
1.223 nicm 176: /* Is this table the default key table? */
177: static int
178: server_client_is_default_key_table(struct client *c, struct key_table *table)
1.191 nicm 179: {
1.223 nicm 180: return (strcmp(table->name, server_client_get_key_table(c)) == 0);
1.191 nicm 181: }
182:
1.1 nicm 183: /* Create a new client. */
1.246 nicm 184: struct client *
1.1 nicm 185: server_client_create(int fd)
186: {
187: struct client *c;
188:
1.49 nicm 189: setblocking(fd, 0);
1.1 nicm 190:
191: c = xcalloc(1, sizeof *c);
1.141 nicm 192: c->references = 1;
1.162 nicm 193: c->peer = proc_add_peer(server_proc, fd, server_client_dispatch, c);
1.25 nicm 194:
1.10 nicm 195: if (gettimeofday(&c->creation_time, NULL) != 0)
1.1 nicm 196: fatal("gettimeofday failed");
1.11 nicm 197: memcpy(&c->activity_time, &c->creation_time, sizeof c->activity_time);
1.111 nicm 198:
1.164 nicm 199: c->environ = environ_create();
1.1 nicm 200:
1.146 nicm 201: c->fd = -1;
1.165 nicm 202: c->cwd = NULL;
1.145 nicm 203:
1.194 nicm 204: TAILQ_INIT(&c->queue);
1.94 nicm 205:
1.1 nicm 206: c->tty.fd = -1;
207: c->title = NULL;
208:
209: c->session = NULL;
1.45 nicm 210: c->last_session = NULL;
1.261 nicm 211:
1.1 nicm 212: c->tty.sx = 80;
213: c->tty.sy = 24;
214:
1.271 nicm 215: status_init(c);
1.1 nicm 216:
217: c->message_string = NULL;
1.136 nicm 218: TAILQ_INIT(&c->message_log);
1.1 nicm 219:
220: c->prompt_string = NULL;
221: c->prompt_buffer = NULL;
222: c->prompt_index = 0;
223:
1.300 nicm 224: RB_INIT(&c->files);
225:
1.93 nicm 226: c->flags |= CLIENT_FOCUSED;
227:
1.132 nicm 228: c->keytable = key_bindings_get_table("root", 1);
229: c->keytable->references++;
230:
1.17 nicm 231: evtimer_set(&c->repeat_timer, server_client_repeat_timer, c);
1.192 nicm 232: evtimer_set(&c->click_timer, server_client_click_timer, c);
1.17 nicm 233:
1.135 nicm 234: TAILQ_INSERT_TAIL(&clients, c, entry);
1.157 nicm 235: log_debug("new client %p", c);
1.246 nicm 236: return (c);
1.72 nicm 237: }
238:
239: /* Open client terminal if needed. */
240: int
1.119 nicm 241: server_client_open(struct client *c, char **cause)
1.72 nicm 242: {
1.75 nicm 243: if (c->flags & CLIENT_CONTROL)
244: return (0);
1.120 nicm 245:
246: if (strcmp(c->ttyname, "/dev/tty") == 0) {
247: *cause = xstrdup("can't use /dev/tty");
248: return (-1);
249: }
1.75 nicm 250:
1.72 nicm 251: if (!(c->flags & CLIENT_TERMINAL)) {
1.116 nicm 252: *cause = xstrdup("not a terminal");
1.72 nicm 253: return (-1);
254: }
255:
1.119 nicm 256: if (tty_open(&c->tty, cause) != 0)
1.72 nicm 257: return (-1);
258:
259: return (0);
1.1 nicm 260: }
261:
262: /* Lost a client. */
263: void
264: server_client_lost(struct client *c)
265: {
1.136 nicm 266: struct message_entry *msg, *msg1;
1.300 nicm 267: struct client_file *cf;
1.1 nicm 268:
1.141 nicm 269: c->flags |= CLIENT_DEAD;
270:
1.281 nicm 271: server_client_clear_overlay(c);
1.141 nicm 272: status_prompt_clear(c);
273: status_message_clear(c);
274:
1.300 nicm 275: RB_FOREACH(cf, client_files, &c->files) {
276: cf->error = EINTR;
277: file_fire_done(cf);
278: }
1.141 nicm 279:
1.135 nicm 280: TAILQ_REMOVE(&clients, c, entry);
1.157 nicm 281: log_debug("lost client %p", c);
1.1 nicm 282:
283: /*
284: * If CLIENT_TERMINAL hasn't been set, then tty_init hasn't been called
285: * and tty_free might close an unrelated fd.
286: */
287: if (c->flags & CLIENT_TERMINAL)
288: tty_free(&c->tty);
1.109 nicm 289: free(c->ttyname);
290: free(c->term);
1.1 nicm 291:
1.270 nicm 292: status_free(c);
1.1 nicm 293:
1.77 nicm 294: free(c->title);
1.165 nicm 295: free((void *)c->cwd);
1.1 nicm 296:
1.17 nicm 297: evtimer_del(&c->repeat_timer);
1.192 nicm 298: evtimer_del(&c->click_timer);
1.17 nicm 299:
1.132 nicm 300: key_bindings_unref_table(c->keytable);
301:
1.77 nicm 302: free(c->message_string);
1.116 nicm 303: if (event_initialized(&c->message_timer))
1.69 nicm 304: evtimer_del(&c->message_timer);
1.136 nicm 305: TAILQ_FOREACH_SAFE(msg, &c->message_log, entry, msg1) {
1.77 nicm 306: free(msg->msg);
1.136 nicm 307: TAILQ_REMOVE(&c->message_log, msg, entry);
308: free(msg);
1.21 nicm 309: }
1.1 nicm 310:
1.259 nicm 311: free(c->prompt_saved);
1.77 nicm 312: free(c->prompt_string);
313: free(c->prompt_buffer);
1.61 nicm 314:
1.228 nicm 315: format_lost_client(c);
1.164 nicm 316: environ_free(c->environ);
1.1 nicm 317:
1.162 nicm 318: proc_remove_peer(c->peer);
319: c->peer = NULL;
1.13 nicm 320:
1.142 nicm 321: server_client_unref(c);
1.71 nicm 322:
323: server_add_accept(0); /* may be more file descriptors now */
1.1 nicm 324:
325: recalculate_sizes();
1.41 nicm 326: server_check_unattached();
1.19 nicm 327: server_update_socket();
1.141 nicm 328: }
329:
330: /* Remove reference from a client. */
331: void
1.142 nicm 332: server_client_unref(struct client *c)
1.141 nicm 333: {
1.157 nicm 334: log_debug("unref client %p (%d references)", c, c->references);
1.141 nicm 335:
336: c->references--;
337: if (c->references == 0)
338: event_once(-1, EV_TIMEOUT, server_client_free, c, NULL);
339: }
340:
341: /* Free dead client. */
1.190 nicm 342: static void
1.170 nicm 343: server_client_free(__unused int fd, __unused short events, void *arg)
1.141 nicm 344: {
345: struct client *c = arg;
346:
1.157 nicm 347: log_debug("free client %p (%d references)", c, c->references);
1.141 nicm 348:
1.194 nicm 349: if (!TAILQ_EMPTY(&c->queue))
350: fatalx("queue not empty");
351:
1.216 nicm 352: if (c->references == 0) {
353: free((void *)c->name);
1.141 nicm 354: free(c);
1.216 nicm 355: }
1.9 nicm 356: }
357:
1.220 nicm 358: /* Suspend a client. */
359: void
360: server_client_suspend(struct client *c)
361: {
1.232 nicm 362: struct session *s = c->session;
1.220 nicm 363:
364: if (s == NULL || (c->flags & CLIENT_DETACHING))
365: return;
366:
367: tty_stop_tty(&c->tty);
368: c->flags |= CLIENT_SUSPENDED;
369: proc_send(c->peer, MSG_SUSPEND, -1, NULL, 0);
370: }
371:
1.174 nicm 372: /* Detach a client. */
373: void
374: server_client_detach(struct client *c, enum msgtype msgtype)
375: {
1.232 nicm 376: struct session *s = c->session;
1.174 nicm 377:
1.220 nicm 378: if (s == NULL || (c->flags & CLIENT_DETACHING))
1.174 nicm 379: return;
380:
1.220 nicm 381: c->flags |= CLIENT_DETACHING;
1.196 nicm 382: notify_client("client-detached", c);
1.240 nicm 383: proc_send(c->peer, msgtype, -1, s->name, strlen(s->name) + 1);
1.207 nicm 384: }
385:
1.208 nicm 386: /* Execute command to replace a client. */
1.207 nicm 387: void
388: server_client_exec(struct client *c, const char *cmd)
389: {
390: struct session *s = c->session;
1.208 nicm 391: char *msg;
392: const char *shell;
1.207 nicm 393: size_t cmdsize, shellsize;
394:
395: if (*cmd == '\0')
396: return;
397: cmdsize = strlen(cmd) + 1;
398:
399: if (s != NULL)
400: shell = options_get_string(s->options, "default-shell");
401: else
402: shell = options_get_string(global_s_options, "default-shell");
1.308 ! nicm 403: if (!checkshell(shell))
! 404: shell = _PATH_BSHELL;
1.207 nicm 405: shellsize = strlen(shell) + 1;
406:
407: msg = xmalloc(cmdsize + shellsize);
408: memcpy(msg, cmd, cmdsize);
409: memcpy(msg + cmdsize, shell, shellsize);
410:
411: proc_send(c->peer, MSG_EXEC, -1, msg, cmdsize + shellsize);
412: free(msg);
1.174 nicm 413: }
414:
1.66 nicm 415: /* Check for mouse keys. */
1.190 nicm 416: static key_code
1.276 nicm 417: server_client_check_mouse(struct client *c, struct key_event *event)
1.66 nicm 418: {
1.276 nicm 419: struct mouse_event *m = &event->m;
1.192 nicm 420: struct session *s = c->session;
1.272 nicm 421: struct winlink *wl;
1.192 nicm 422: struct window_pane *wp;
1.261 nicm 423: u_int x, y, b, sx, sy, px, py;
1.307 nicm 424: int ignore = 0;
1.192 nicm 425: key_code key;
426: struct timeval tv;
1.272 nicm 427: struct style_range *sr;
1.283 nicm 428: enum { NOTYPE,
429: MOVE,
430: DOWN,
431: UP,
432: DRAG,
433: WHEEL,
434: DOUBLE,
435: TRIPLE } type = NOTYPE;
1.276 nicm 436: enum { NOWHERE,
437: PANE,
438: STATUS,
439: STATUS_LEFT,
440: STATUS_RIGHT,
441: STATUS_DEFAULT,
1.283 nicm 442: BORDER } where = NOWHERE;
1.131 nicm 443:
1.261 nicm 444: log_debug("%s mouse %02x at %u,%u (last %u,%u) (%d)", c->name, m->b,
445: m->x, m->y, m->lx, m->ly, c->tty.mouse_drag_flag);
1.131 nicm 446:
447: /* What type of event is this? */
1.306 nicm 448: if (event->key == KEYC_DOUBLECLICK) {
449: type = DOUBLE;
450: x = m->x, y = m->y, b = m->b;
1.307 nicm 451: ignore = 1;
1.306 nicm 452: log_debug("double-click at %u,%u", x, y);
453: } else if ((m->sgr_type != ' ' &&
1.209 nicm 454: MOUSE_DRAG(m->sgr_b) &&
455: MOUSE_BUTTONS(m->sgr_b) == 3) ||
456: (m->sgr_type == ' ' &&
457: MOUSE_DRAG(m->b) &&
458: MOUSE_BUTTONS(m->b) == 3 &&
459: MOUSE_BUTTONS(m->lb) == 3)) {
460: type = MOVE;
461: x = m->x, y = m->y, b = 0;
462: log_debug("move at %u,%u", x, y);
463: } else if (MOUSE_DRAG(m->b)) {
1.131 nicm 464: type = DRAG;
465: if (c->tty.mouse_drag_flag) {
466: x = m->x, y = m->y, b = m->b;
1.278 nicm 467: if (x == m->lx && y == m->ly)
468: return (KEYC_UNKNOWN);
1.131 nicm 469: log_debug("drag update at %u,%u", x, y);
470: } else {
1.277 nicm 471: x = m->lx, y = m->ly, b = m->lb;
1.131 nicm 472: log_debug("drag start at %u,%u", x, y);
473: }
474: } else if (MOUSE_WHEEL(m->b)) {
475: type = WHEEL;
476: x = m->x, y = m->y, b = m->b;
477: log_debug("wheel at %u,%u", x, y);
1.200 nicm 478: } else if (MOUSE_RELEASE(m->b)) {
1.131 nicm 479: type = UP;
480: x = m->x, y = m->y, b = m->lb;
481: log_debug("up at %u,%u", x, y);
482: } else {
1.192 nicm 483: if (c->flags & CLIENT_DOUBLECLICK) {
484: evtimer_del(&c->click_timer);
485: c->flags &= ~CLIENT_DOUBLECLICK;
486: if (m->b == c->click_button) {
1.306 nicm 487: type = NOTYPE;
488: c->flags |= CLIENT_TRIPLECLICK;
1.192 nicm 489: goto add_timer;
490: }
491: } else if (c->flags & CLIENT_TRIPLECLICK) {
492: evtimer_del(&c->click_timer);
493: c->flags &= ~CLIENT_TRIPLECLICK;
494: if (m->b == c->click_button) {
495: type = TRIPLE;
496: x = m->x, y = m->y, b = m->b;
497: log_debug("triple-click at %u,%u", x, y);
1.307 nicm 498: ignore = 1;
1.192 nicm 499: goto have_event;
500: }
1.307 nicm 501: } else
502: c->flags |= CLIENT_DOUBLECLICK;
1.192 nicm 503:
1.307 nicm 504: add_timer:
1.131 nicm 505: type = DOWN;
506: x = m->x, y = m->y, b = m->b;
507: log_debug("down at %u,%u", x, y);
1.192 nicm 508:
509: if (KEYC_CLICK_TIMEOUT != 0) {
1.306 nicm 510: memcpy(&c->click_event, m, sizeof c->click_event);
1.192 nicm 511: c->click_button = m->b;
512:
513: tv.tv_sec = KEYC_CLICK_TIMEOUT / 1000;
514: tv.tv_usec = (KEYC_CLICK_TIMEOUT % 1000) * 1000L;
515: evtimer_del(&c->click_timer);
516: evtimer_add(&c->click_timer, &tv);
517: }
1.131 nicm 518: }
1.192 nicm 519:
520: have_event:
1.131 nicm 521: if (type == NOTYPE)
1.177 nicm 522: return (KEYC_UNKNOWN);
1.131 nicm 523:
1.258 nicm 524: /* Save the session. */
1.131 nicm 525: m->s = s->id;
1.258 nicm 526: m->w = -1;
1.307 nicm 527: m->ignore = ignore;
1.131 nicm 528:
529: /* Is this on the status line? */
530: m->statusat = status_at_line(c);
1.292 nicm 531: m->statuslines = status_line_size(c);
1.272 nicm 532: if (m->statusat != -1 &&
533: y >= (u_int)m->statusat &&
1.292 nicm 534: y < m->statusat + m->statuslines) {
1.272 nicm 535: sr = status_get_range(c, x, y - m->statusat);
1.274 nicm 536: if (sr == NULL) {
537: where = STATUS_DEFAULT;
538: } else {
539: switch (sr->type) {
540: case STYLE_RANGE_NONE:
1.273 nicm 541: return (KEYC_UNKNOWN);
1.274 nicm 542: case STYLE_RANGE_LEFT:
543: where = STATUS_LEFT;
544: break;
545: case STYLE_RANGE_RIGHT:
546: where = STATUS_RIGHT;
547: break;
548: case STYLE_RANGE_WINDOW:
1.298 nicm 549: wl = winlink_find_by_index(&s->windows,
550: sr->argument);
1.274 nicm 551: if (wl == NULL)
552: return (KEYC_UNKNOWN);
553: m->w = wl->window->id;
1.273 nicm 554:
1.274 nicm 555: where = STATUS;
556: break;
557: }
1.258 nicm 558: }
559: }
1.131 nicm 560:
561: /* Not on status line. Adjust position and check for border or pane. */
562: if (where == NOWHERE) {
1.261 nicm 563: px = x;
1.292 nicm 564: if (m->statusat == 0 && y >= m->statuslines)
565: py = y - m->statuslines;
1.131 nicm 566: else if (m->statusat > 0 && y >= (u_int)m->statusat)
1.261 nicm 567: py = m->statusat - 1;
568: else
569: py = y;
570:
571: tty_window_offset(&c->tty, &m->ox, &m->oy, &sx, &sy);
572: log_debug("mouse window @%u at %u,%u (%ux%u)",
573: s->curw->window->id, m->ox, m->oy, sx, sy);
574: if (px > sx || py > sy)
575: return (KEYC_UNKNOWN);
576: px = px + m->ox;
577: py = py + m->oy;
1.131 nicm 578:
1.260 nicm 579: /* Try the pane borders if not zoomed. */
580: if (~s->curw->window->flags & WINDOW_ZOOMED) {
581: TAILQ_FOREACH(wp, &s->curw->window->panes, entry) {
1.261 nicm 582: if ((wp->xoff + wp->sx == px &&
583: wp->yoff <= 1 + py &&
584: wp->yoff + wp->sy >= py) ||
585: (wp->yoff + wp->sy == py &&
586: wp->xoff <= 1 + px &&
587: wp->xoff + wp->sx >= px))
1.260 nicm 588: break;
589: }
590: if (wp != NULL)
591: where = BORDER;
1.131 nicm 592: }
1.260 nicm 593:
594: /* Otherwise try inside the pane. */
595: if (where == NOWHERE) {
1.261 nicm 596: wp = window_get_active_at(s->curw->window, px, py);
1.260 nicm 597: if (wp != NULL)
1.131 nicm 598: where = PANE;
599: }
1.260 nicm 600:
1.131 nicm 601: if (where == NOWHERE)
1.177 nicm 602: return (KEYC_UNKNOWN);
1.260 nicm 603: if (where == PANE)
604: log_debug("mouse %u,%u on pane %%%u", x, y, wp->id);
605: else if (where == BORDER)
606: log_debug("mouse on pane %%%u border", wp->id);
1.131 nicm 607: m->wp = wp->id;
608: m->w = wp->window->id;
609: } else
610: m->wp = -1;
611:
612: /* Stop dragging if needed. */
1.200 nicm 613: if (type != DRAG && type != WHEEL && c->tty.mouse_drag_flag) {
1.131 nicm 614: if (c->tty.mouse_drag_release != NULL)
615: c->tty.mouse_drag_release(c, m);
616:
617: c->tty.mouse_drag_update = NULL;
618: c->tty.mouse_drag_release = NULL;
619:
1.182 nicm 620: /*
1.183 nicm 621: * End a mouse drag by passing a MouseDragEnd key corresponding
622: * to the button that started the drag.
1.182 nicm 623: */
624: switch (c->tty.mouse_drag_flag) {
625: case 1:
626: if (where == PANE)
1.183 nicm 627: key = KEYC_MOUSEDRAGEND1_PANE;
1.182 nicm 628: if (where == STATUS)
1.183 nicm 629: key = KEYC_MOUSEDRAGEND1_STATUS;
1.258 nicm 630: if (where == STATUS_LEFT)
631: key = KEYC_MOUSEDRAGEND1_STATUS_LEFT;
632: if (where == STATUS_RIGHT)
633: key = KEYC_MOUSEDRAGEND1_STATUS_RIGHT;
1.274 nicm 634: if (where == STATUS_DEFAULT)
635: key = KEYC_MOUSEDRAGEND1_STATUS_DEFAULT;
1.182 nicm 636: if (where == BORDER)
1.183 nicm 637: key = KEYC_MOUSEDRAGEND1_BORDER;
1.182 nicm 638: break;
639: case 2:
640: if (where == PANE)
1.183 nicm 641: key = KEYC_MOUSEDRAGEND2_PANE;
1.182 nicm 642: if (where == STATUS)
1.183 nicm 643: key = KEYC_MOUSEDRAGEND2_STATUS;
1.258 nicm 644: if (where == STATUS_LEFT)
645: key = KEYC_MOUSEDRAGEND2_STATUS_LEFT;
646: if (where == STATUS_RIGHT)
647: key = KEYC_MOUSEDRAGEND2_STATUS_RIGHT;
1.274 nicm 648: if (where == STATUS_DEFAULT)
649: key = KEYC_MOUSEDRAGEND2_STATUS_DEFAULT;
1.182 nicm 650: if (where == BORDER)
1.183 nicm 651: key = KEYC_MOUSEDRAGEND2_BORDER;
1.182 nicm 652: break;
653: case 3:
654: if (where == PANE)
1.183 nicm 655: key = KEYC_MOUSEDRAGEND3_PANE;
1.182 nicm 656: if (where == STATUS)
1.183 nicm 657: key = KEYC_MOUSEDRAGEND3_STATUS;
1.258 nicm 658: if (where == STATUS_LEFT)
659: key = KEYC_MOUSEDRAGEND3_STATUS_LEFT;
660: if (where == STATUS_RIGHT)
661: key = KEYC_MOUSEDRAGEND3_STATUS_RIGHT;
1.274 nicm 662: if (where == STATUS_DEFAULT)
663: key = KEYC_MOUSEDRAGEND3_STATUS_DEFAULT;
1.182 nicm 664: if (where == BORDER)
1.183 nicm 665: key = KEYC_MOUSEDRAGEND3_BORDER;
1.182 nicm 666: break;
667: default:
668: key = KEYC_MOUSE;
669: break;
670: }
1.131 nicm 671: c->tty.mouse_drag_flag = 0;
1.305 nicm 672: goto out;
1.131 nicm 673: }
674:
675: /* Convert to a key binding. */
1.177 nicm 676: key = KEYC_UNKNOWN;
1.131 nicm 677: switch (type) {
678: case NOTYPE:
679: break;
1.209 nicm 680: case MOVE:
681: if (where == PANE)
682: key = KEYC_MOUSEMOVE_PANE;
683: if (where == STATUS)
684: key = KEYC_MOUSEMOVE_STATUS;
1.274 nicm 685: if (where == STATUS_LEFT)
686: key = KEYC_MOUSEMOVE_STATUS_LEFT;
687: if (where == STATUS_RIGHT)
688: key = KEYC_MOUSEMOVE_STATUS_RIGHT;
689: if (where == STATUS_DEFAULT)
690: key = KEYC_MOUSEMOVE_STATUS_DEFAULT;
1.209 nicm 691: if (where == BORDER)
692: key = KEYC_MOUSEMOVE_BORDER;
693: break;
1.131 nicm 694: case DRAG:
1.204 nicm 695: if (c->tty.mouse_drag_update != NULL)
696: key = KEYC_DRAGGING;
697: else {
1.131 nicm 698: switch (MOUSE_BUTTONS(b)) {
699: case 0:
700: if (where == PANE)
701: key = KEYC_MOUSEDRAG1_PANE;
702: if (where == STATUS)
703: key = KEYC_MOUSEDRAG1_STATUS;
1.258 nicm 704: if (where == STATUS_LEFT)
705: key = KEYC_MOUSEDRAG1_STATUS_LEFT;
706: if (where == STATUS_RIGHT)
707: key = KEYC_MOUSEDRAG1_STATUS_RIGHT;
1.274 nicm 708: if (where == STATUS_DEFAULT)
709: key = KEYC_MOUSEDRAG1_STATUS_DEFAULT;
1.131 nicm 710: if (where == BORDER)
711: key = KEYC_MOUSEDRAG1_BORDER;
712: break;
713: case 1:
714: if (where == PANE)
715: key = KEYC_MOUSEDRAG2_PANE;
716: if (where == STATUS)
717: key = KEYC_MOUSEDRAG2_STATUS;
1.258 nicm 718: if (where == STATUS_LEFT)
719: key = KEYC_MOUSEDRAG2_STATUS_LEFT;
720: if (where == STATUS_RIGHT)
721: key = KEYC_MOUSEDRAG2_STATUS_RIGHT;
1.274 nicm 722: if (where == STATUS_DEFAULT)
723: key = KEYC_MOUSEDRAG2_STATUS_DEFAULT;
1.131 nicm 724: if (where == BORDER)
725: key = KEYC_MOUSEDRAG2_BORDER;
726: break;
727: case 2:
728: if (where == PANE)
729: key = KEYC_MOUSEDRAG3_PANE;
730: if (where == STATUS)
731: key = KEYC_MOUSEDRAG3_STATUS;
1.258 nicm 732: if (where == STATUS_LEFT)
733: key = KEYC_MOUSEDRAG3_STATUS_LEFT;
734: if (where == STATUS_RIGHT)
735: key = KEYC_MOUSEDRAG3_STATUS_RIGHT;
1.274 nicm 736: if (where == STATUS_DEFAULT)
737: key = KEYC_MOUSEDRAG3_STATUS_DEFAULT;
1.131 nicm 738: if (where == BORDER)
739: key = KEYC_MOUSEDRAG3_BORDER;
740: break;
741: }
742: }
1.66 nicm 743:
1.182 nicm 744: /*
745: * Begin a drag by setting the flag to a non-zero value that
746: * corresponds to the mouse button in use.
747: */
748: c->tty.mouse_drag_flag = MOUSE_BUTTONS(b) + 1;
1.131 nicm 749: break;
750: case WHEEL:
751: if (MOUSE_BUTTONS(b) == MOUSE_WHEEL_UP) {
752: if (where == PANE)
753: key = KEYC_WHEELUP_PANE;
754: if (where == STATUS)
755: key = KEYC_WHEELUP_STATUS;
1.258 nicm 756: if (where == STATUS_LEFT)
757: key = KEYC_WHEELUP_STATUS_LEFT;
758: if (where == STATUS_RIGHT)
759: key = KEYC_WHEELUP_STATUS_RIGHT;
1.274 nicm 760: if (where == STATUS_DEFAULT)
761: key = KEYC_WHEELUP_STATUS_DEFAULT;
1.131 nicm 762: if (where == BORDER)
763: key = KEYC_WHEELUP_BORDER;
764: } else {
765: if (where == PANE)
766: key = KEYC_WHEELDOWN_PANE;
767: if (where == STATUS)
768: key = KEYC_WHEELDOWN_STATUS;
1.274 nicm 769: if (where == STATUS_LEFT)
770: key = KEYC_WHEELDOWN_STATUS_LEFT;
771: if (where == STATUS_RIGHT)
772: key = KEYC_WHEELDOWN_STATUS_RIGHT;
773: if (where == STATUS_DEFAULT)
774: key = KEYC_WHEELDOWN_STATUS_DEFAULT;
1.131 nicm 775: if (where == BORDER)
776: key = KEYC_WHEELDOWN_BORDER;
777: }
778: break;
779: case UP:
780: switch (MOUSE_BUTTONS(b)) {
781: case 0:
782: if (where == PANE)
783: key = KEYC_MOUSEUP1_PANE;
784: if (where == STATUS)
785: key = KEYC_MOUSEUP1_STATUS;
1.258 nicm 786: if (where == STATUS_LEFT)
787: key = KEYC_MOUSEUP1_STATUS_LEFT;
788: if (where == STATUS_RIGHT)
789: key = KEYC_MOUSEUP1_STATUS_RIGHT;
1.274 nicm 790: if (where == STATUS_DEFAULT)
791: key = KEYC_MOUSEUP1_STATUS_DEFAULT;
1.131 nicm 792: if (where == BORDER)
793: key = KEYC_MOUSEUP1_BORDER;
794: break;
795: case 1:
796: if (where == PANE)
797: key = KEYC_MOUSEUP2_PANE;
798: if (where == STATUS)
799: key = KEYC_MOUSEUP2_STATUS;
1.258 nicm 800: if (where == STATUS_LEFT)
801: key = KEYC_MOUSEUP2_STATUS_LEFT;
802: if (where == STATUS_RIGHT)
803: key = KEYC_MOUSEUP2_STATUS_RIGHT;
1.274 nicm 804: if (where == STATUS_DEFAULT)
805: key = KEYC_MOUSEUP2_STATUS_DEFAULT;
1.131 nicm 806: if (where == BORDER)
807: key = KEYC_MOUSEUP2_BORDER;
808: break;
809: case 2:
810: if (where == PANE)
811: key = KEYC_MOUSEUP3_PANE;
812: if (where == STATUS)
813: key = KEYC_MOUSEUP3_STATUS;
1.258 nicm 814: if (where == STATUS_LEFT)
815: key = KEYC_MOUSEUP3_STATUS_LEFT;
816: if (where == STATUS_RIGHT)
817: key = KEYC_MOUSEUP3_STATUS_RIGHT;
1.274 nicm 818: if (where == STATUS_DEFAULT)
819: key = KEYC_MOUSEUP3_STATUS_DEFAULT;
1.131 nicm 820: if (where == BORDER)
821: key = KEYC_MOUSEUP3_BORDER;
822: break;
823: }
824: break;
825: case DOWN:
826: switch (MOUSE_BUTTONS(b)) {
827: case 0:
828: if (where == PANE)
829: key = KEYC_MOUSEDOWN1_PANE;
830: if (where == STATUS)
831: key = KEYC_MOUSEDOWN1_STATUS;
1.258 nicm 832: if (where == STATUS_LEFT)
833: key = KEYC_MOUSEDOWN1_STATUS_LEFT;
834: if (where == STATUS_RIGHT)
835: key = KEYC_MOUSEDOWN1_STATUS_RIGHT;
1.274 nicm 836: if (where == STATUS_DEFAULT)
837: key = KEYC_MOUSEDOWN1_STATUS_DEFAULT;
1.131 nicm 838: if (where == BORDER)
839: key = KEYC_MOUSEDOWN1_BORDER;
840: break;
841: case 1:
842: if (where == PANE)
843: key = KEYC_MOUSEDOWN2_PANE;
844: if (where == STATUS)
845: key = KEYC_MOUSEDOWN2_STATUS;
1.258 nicm 846: if (where == STATUS_LEFT)
847: key = KEYC_MOUSEDOWN2_STATUS_LEFT;
848: if (where == STATUS_RIGHT)
849: key = KEYC_MOUSEDOWN2_STATUS_RIGHT;
1.274 nicm 850: if (where == STATUS_DEFAULT)
851: key = KEYC_MOUSEDOWN2_STATUS_DEFAULT;
1.131 nicm 852: if (where == BORDER)
853: key = KEYC_MOUSEDOWN2_BORDER;
854: break;
855: case 2:
856: if (where == PANE)
857: key = KEYC_MOUSEDOWN3_PANE;
858: if (where == STATUS)
859: key = KEYC_MOUSEDOWN3_STATUS;
1.258 nicm 860: if (where == STATUS_LEFT)
861: key = KEYC_MOUSEDOWN3_STATUS_LEFT;
862: if (where == STATUS_RIGHT)
863: key = KEYC_MOUSEDOWN3_STATUS_RIGHT;
1.274 nicm 864: if (where == STATUS_DEFAULT)
865: key = KEYC_MOUSEDOWN3_STATUS_DEFAULT;
1.131 nicm 866: if (where == BORDER)
867: key = KEYC_MOUSEDOWN3_BORDER;
868: break;
1.66 nicm 869: }
1.131 nicm 870: break;
1.192 nicm 871: case DOUBLE:
872: switch (MOUSE_BUTTONS(b)) {
873: case 0:
874: if (where == PANE)
875: key = KEYC_DOUBLECLICK1_PANE;
876: if (where == STATUS)
877: key = KEYC_DOUBLECLICK1_STATUS;
1.258 nicm 878: if (where == STATUS_LEFT)
879: key = KEYC_DOUBLECLICK1_STATUS_LEFT;
880: if (where == STATUS_RIGHT)
881: key = KEYC_DOUBLECLICK1_STATUS_RIGHT;
1.274 nicm 882: if (where == STATUS_DEFAULT)
883: key = KEYC_DOUBLECLICK1_STATUS_DEFAULT;
1.192 nicm 884: if (where == BORDER)
885: key = KEYC_DOUBLECLICK1_BORDER;
886: break;
887: case 1:
888: if (where == PANE)
889: key = KEYC_DOUBLECLICK2_PANE;
890: if (where == STATUS)
891: key = KEYC_DOUBLECLICK2_STATUS;
1.258 nicm 892: if (where == STATUS_LEFT)
893: key = KEYC_DOUBLECLICK2_STATUS_LEFT;
894: if (where == STATUS_RIGHT)
895: key = KEYC_DOUBLECLICK2_STATUS_RIGHT;
1.274 nicm 896: if (where == STATUS_DEFAULT)
897: key = KEYC_DOUBLECLICK2_STATUS_DEFAULT;
1.192 nicm 898: if (where == BORDER)
899: key = KEYC_DOUBLECLICK2_BORDER;
900: break;
901: case 2:
902: if (where == PANE)
903: key = KEYC_DOUBLECLICK3_PANE;
904: if (where == STATUS)
905: key = KEYC_DOUBLECLICK3_STATUS;
1.258 nicm 906: if (where == STATUS_LEFT)
907: key = KEYC_DOUBLECLICK3_STATUS_LEFT;
908: if (where == STATUS_RIGHT)
909: key = KEYC_DOUBLECLICK3_STATUS_RIGHT;
1.274 nicm 910: if (where == STATUS_DEFAULT)
911: key = KEYC_DOUBLECLICK3_STATUS_DEFAULT;
1.192 nicm 912: if (where == BORDER)
913: key = KEYC_DOUBLECLICK3_BORDER;
914: break;
915: }
916: break;
917: case TRIPLE:
918: switch (MOUSE_BUTTONS(b)) {
919: case 0:
920: if (where == PANE)
921: key = KEYC_TRIPLECLICK1_PANE;
922: if (where == STATUS)
923: key = KEYC_TRIPLECLICK1_STATUS;
1.258 nicm 924: if (where == STATUS_LEFT)
925: key = KEYC_TRIPLECLICK1_STATUS_LEFT;
926: if (where == STATUS_RIGHT)
927: key = KEYC_TRIPLECLICK1_STATUS_RIGHT;
1.274 nicm 928: if (where == STATUS_DEFAULT)
929: key = KEYC_TRIPLECLICK1_STATUS_DEFAULT;
1.192 nicm 930: if (where == BORDER)
931: key = KEYC_TRIPLECLICK1_BORDER;
932: break;
933: case 1:
934: if (where == PANE)
935: key = KEYC_TRIPLECLICK2_PANE;
936: if (where == STATUS)
937: key = KEYC_TRIPLECLICK2_STATUS;
1.258 nicm 938: if (where == STATUS_LEFT)
939: key = KEYC_TRIPLECLICK2_STATUS_LEFT;
940: if (where == STATUS_RIGHT)
941: key = KEYC_TRIPLECLICK2_STATUS_RIGHT;
1.274 nicm 942: if (where == STATUS_DEFAULT)
943: key = KEYC_TRIPLECLICK2_STATUS_DEFAULT;
1.192 nicm 944: if (where == BORDER)
945: key = KEYC_TRIPLECLICK2_BORDER;
946: break;
947: case 2:
948: if (where == PANE)
949: key = KEYC_TRIPLECLICK3_PANE;
950: if (where == STATUS)
951: key = KEYC_TRIPLECLICK3_STATUS;
1.258 nicm 952: if (where == STATUS_LEFT)
953: key = KEYC_TRIPLECLICK3_STATUS_LEFT;
954: if (where == STATUS_RIGHT)
955: key = KEYC_TRIPLECLICK3_STATUS_RIGHT;
1.274 nicm 956: if (where == STATUS_DEFAULT)
957: key = KEYC_TRIPLECLICK3_STATUS_DEFAULT;
1.192 nicm 958: if (where == BORDER)
959: key = KEYC_TRIPLECLICK3_BORDER;
960: break;
961: }
962: break;
1.66 nicm 963: }
1.177 nicm 964: if (key == KEYC_UNKNOWN)
965: return (KEYC_UNKNOWN);
1.66 nicm 966:
1.305 nicm 967: out:
1.131 nicm 968: /* Apply modifiers if any. */
969: if (b & MOUSE_MASK_META)
970: key |= KEYC_ESCAPE;
971: if (b & MOUSE_MASK_CTRL)
972: key |= KEYC_CTRL;
973: if (b & MOUSE_MASK_SHIFT)
974: key |= KEYC_SHIFT;
1.66 nicm 975:
1.305 nicm 976: if (log_get_level() != 0)
977: log_debug("mouse key is %s", key_string_lookup_key (key));
1.131 nicm 978: return (key);
1.66 nicm 979: }
980:
1.82 nicm 981: /* Is this fast enough to probably be a paste? */
1.190 nicm 982: static int
1.82 nicm 983: server_client_assume_paste(struct session *s)
984: {
985: struct timeval tv;
1.84 nicm 986: int t;
1.82 nicm 987:
1.163 nicm 988: if ((t = options_get_number(s->options, "assume-paste-time")) == 0)
1.83 nicm 989: return (0);
1.82 nicm 990:
991: timersub(&s->activity_time, &s->last_activity_time, &tv);
1.171 nicm 992: if (tv.tv_sec == 0 && tv.tv_usec < t * 1000) {
993: log_debug("session %s pasting (flag %d)", s->name,
994: !!(s->flags & SESSION_PASTING));
995: if (s->flags & SESSION_PASTING)
996: return (1);
997: s->flags |= SESSION_PASTING;
998: return (0);
999: }
1000: log_debug("session %s not pasting", s->name);
1001: s->flags &= ~SESSION_PASTING;
1.83 nicm 1002: return (0);
1.82 nicm 1003: }
1004:
1.295 nicm 1005: /* Has the latest client changed? */
1006: static void
1007: server_client_update_latest(struct client *c)
1008: {
1009: struct window *w;
1010:
1011: if (c->session == NULL)
1012: return;
1013: w = c->session->curw->window;
1014:
1015: if (w->latest == c)
1016: return;
1017: w->latest = c;
1018:
1019: if (options_get_number(w->options, "window-size") == WINDOW_SIZE_LATEST)
1020: recalculate_size(w);
1021: }
1022:
1.276 nicm 1023: /*
1024: * Handle data key input from client. This owns and can modify the key event it
1025: * is given and is responsible for freeing it.
1026: */
1.280 nicm 1027: static enum cmd_retval
1.276 nicm 1028: server_client_key_callback(struct cmdq_item *item, void *data)
1.18 nicm 1029: {
1.276 nicm 1030: struct client *c = item->client;
1031: struct key_event *event = data;
1032: key_code key = event->key;
1033: struct mouse_event *m = &event->m;
1.267 nicm 1034: struct session *s = c->session;
1035: struct winlink *wl;
1036: struct window_pane *wp;
1037: struct window_mode_entry *wme;
1038: struct timeval tv;
1039: struct key_table *table, *first;
1040: struct key_binding *bd;
1041: int xtimeout, flags;
1042: struct cmd_find_state fs;
1043: key_code key0;
1.18 nicm 1044:
1045: /* Check the client is good to accept input. */
1.303 nicm 1046: if (s == NULL || (c->flags & CLIENT_UNATTACHEDFLAGS))
1.276 nicm 1047: goto out;
1.264 nicm 1048: wl = s->curw;
1.18 nicm 1049:
1050: /* Update the activity timer. */
1051: if (gettimeofday(&c->activity_time, NULL) != 0)
1052: fatal("gettimeofday failed");
1.149 nicm 1053: session_update_activity(s, &c->activity_time);
1.18 nicm 1054:
1055: /* Check for mouse keys. */
1.204 nicm 1056: m->valid = 0;
1.306 nicm 1057: if (key == KEYC_MOUSE || key == KEYC_DOUBLECLICK) {
1.30 nicm 1058: if (c->flags & CLIENT_READONLY)
1.276 nicm 1059: goto out;
1060: key = server_client_check_mouse(c, event);
1.177 nicm 1061: if (key == KEYC_UNKNOWN)
1.276 nicm 1062: goto out;
1.131 nicm 1063:
1064: m->valid = 1;
1065: m->key = key;
1.203 nicm 1066:
1067: /*
1.204 nicm 1068: * Mouse drag is in progress, so fire the callback (now that
1069: * the mouse event is valid).
1.203 nicm 1070: */
1.305 nicm 1071: if ((key & KEYC_MASK_KEY) == KEYC_DRAGGING) {
1.204 nicm 1072: c->tty.mouse_drag_update(c, m);
1.276 nicm 1073: goto out;
1.204 nicm 1074: }
1.276 nicm 1075: }
1.18 nicm 1076:
1.202 nicm 1077: /* Find affected pane. */
1.243 nicm 1078: if (!KEYC_IS_MOUSE(key) || cmd_find_from_mouse(&fs, m, 0) != 0)
1079: cmd_find_from_session(&fs, s, 0);
1.227 nicm 1080: wp = fs.wp;
1.202 nicm 1081:
1082: /* Forward mouse keys if disabled. */
1.206 nicm 1083: if (KEYC_IS_MOUSE(key) && !options_get_number(s->options, "mouse"))
1.253 nicm 1084: goto forward_key;
1.202 nicm 1085:
1.132 nicm 1086: /* Treat everything as a regular key when pasting is detected. */
1.161 nicm 1087: if (!KEYC_IS_MOUSE(key) && server_client_assume_paste(s))
1.253 nicm 1088: goto forward_key;
1.18 nicm 1089:
1.191 nicm 1090: /*
1091: * Work out the current key table. If the pane is in a mode, use
1092: * the mode table instead of the default key table.
1093: */
1.223 nicm 1094: if (server_client_is_default_key_table(c, c->keytable) &&
1095: wp != NULL &&
1.267 nicm 1096: (wme = TAILQ_FIRST(&wp->modes)) != NULL &&
1097: wme->mode->key_table != NULL)
1098: table = key_bindings_get_table(wme->mode->key_table(wme), 1);
1.223 nicm 1099: else
1.191 nicm 1100: table = c->keytable;
1.223 nicm 1101: first = table;
1.191 nicm 1102:
1.253 nicm 1103: table_changed:
1.205 nicm 1104: /*
1105: * The prefix always takes precedence and forces a switch to the prefix
1106: * table, unless we are already there.
1107: */
1.252 nicm 1108: key0 = (key & ~KEYC_XTERM);
1.239 nicm 1109: if ((key0 == (key_code)options_get_number(s->options, "prefix") ||
1110: key0 == (key_code)options_get_number(s->options, "prefix2")) &&
1.205 nicm 1111: strcmp(table->name, "prefix") != 0) {
1112: server_client_set_key_table(c, "prefix");
1113: server_status_client(c);
1.276 nicm 1114: goto out;
1.205 nicm 1115: }
1.238 nicm 1116: flags = c->flags;
1.205 nicm 1117:
1.262 nicm 1118: try_again:
1.223 nicm 1119: /* Log key table. */
1120: if (wp == NULL)
1121: log_debug("key table %s (no pane)", table->name);
1122: else
1123: log_debug("key table %s (pane %%%u)", table->name, wp->id);
1.225 nicm 1124: if (c->flags & CLIENT_REPEAT)
1125: log_debug("currently repeating");
1.223 nicm 1126:
1.132 nicm 1127: /* Try to see if there is a key binding in the current table. */
1.254 nicm 1128: bd = key_bindings_get(table, key0);
1.132 nicm 1129: if (bd != NULL) {
1130: /*
1131: * Key was matched in this table. If currently repeating but a
1132: * non-repeating binding was found, stop repeating and try
1133: * again in the root table.
1134: */
1.222 nicm 1135: if ((c->flags & CLIENT_REPEAT) &&
1136: (~bd->flags & KEY_BINDING_REPEAT)) {
1.262 nicm 1137: log_debug("found in key table %s (not repeating)",
1138: table->name);
1.178 nicm 1139: server_client_set_key_table(c, NULL);
1.262 nicm 1140: first = table = c->keytable;
1.132 nicm 1141: c->flags &= ~CLIENT_REPEAT;
1.85 nicm 1142: server_status_client(c);
1.253 nicm 1143: goto table_changed;
1.18 nicm 1144: }
1.223 nicm 1145: log_debug("found in key table %s", table->name);
1.82 nicm 1146:
1.132 nicm 1147: /*
1148: * Take a reference to this table to make sure the key binding
1149: * doesn't disappear.
1150: */
1151: table->references++;
1152:
1153: /*
1154: * If this is a repeating key, start the timer. Otherwise reset
1155: * the client back to the root table.
1156: */
1.163 nicm 1157: xtimeout = options_get_number(s->options, "repeat-time");
1.222 nicm 1158: if (xtimeout != 0 && (bd->flags & KEY_BINDING_REPEAT)) {
1.132 nicm 1159: c->flags |= CLIENT_REPEAT;
1160:
1161: tv.tv_sec = xtimeout / 1000;
1162: tv.tv_usec = (xtimeout % 1000) * 1000L;
1163: evtimer_del(&c->repeat_timer);
1164: evtimer_add(&c->repeat_timer, &tv);
1165: } else {
1.18 nicm 1166: c->flags &= ~CLIENT_REPEAT;
1.178 nicm 1167: server_client_set_key_table(c, NULL);
1.18 nicm 1168: }
1.132 nicm 1169: server_status_client(c);
1170:
1.227 nicm 1171: /* Execute the key binding. */
1.276 nicm 1172: key_bindings_dispatch(bd, item, c, m, &fs);
1.132 nicm 1173: key_bindings_unref_table(table);
1.276 nicm 1174: goto out;
1.18 nicm 1175: }
1176:
1.132 nicm 1177: /*
1.253 nicm 1178: * No match, try the ANY key.
1179: */
1180: if (key0 != KEYC_ANY) {
1181: key0 = KEYC_ANY;
1182: goto try_again;
1183: }
1184:
1185: /*
1.223 nicm 1186: * No match in this table. If not in the root table or if repeating,
1187: * switch the client back to the root table and try again.
1.132 nicm 1188: */
1.223 nicm 1189: log_debug("not found in key table %s", table->name);
1190: if (!server_client_is_default_key_table(c, table) ||
1191: (c->flags & CLIENT_REPEAT)) {
1.262 nicm 1192: log_debug("trying in root table");
1.178 nicm 1193: server_client_set_key_table(c, NULL);
1.262 nicm 1194: table = c->keytable;
1195: if (c->flags & CLIENT_REPEAT)
1196: first = table;
1.18 nicm 1197: c->flags &= ~CLIENT_REPEAT;
1.132 nicm 1198: server_status_client(c);
1.253 nicm 1199: goto table_changed;
1.18 nicm 1200: }
1201:
1.223 nicm 1202: /*
1203: * No match in the root table either. If this wasn't the first table
1204: * tried, don't pass the key to the pane.
1205: */
1.238 nicm 1206: if (first != table && (~flags & CLIENT_REPEAT)) {
1.178 nicm 1207: server_client_set_key_table(c, NULL);
1.132 nicm 1208: server_status_client(c);
1.276 nicm 1209: goto out;
1.161 nicm 1210: }
1211:
1.253 nicm 1212: forward_key:
1.161 nicm 1213: if (c->flags & CLIENT_READONLY)
1.276 nicm 1214: goto out;
1.161 nicm 1215: if (wp != NULL)
1.264 nicm 1216: window_pane_key(wp, c, s, wl, key, m);
1.276 nicm 1217:
1218: out:
1.295 nicm 1219: if (s != NULL)
1220: server_client_update_latest(c);
1.276 nicm 1221: free(event);
1222: return (CMD_RETURN_NORMAL);
1.280 nicm 1223: }
1224:
1225: /* Handle a key event. */
1226: int
1227: server_client_handle_key(struct client *c, struct key_event *event)
1228: {
1229: struct session *s = c->session;
1230: struct cmdq_item *item;
1231:
1232: /* Check the client is good to accept input. */
1.303 nicm 1233: if (s == NULL || (c->flags & CLIENT_UNATTACHEDFLAGS))
1.280 nicm 1234: return (0);
1235:
1236: /*
1.291 nicm 1237: * Key presses in overlay mode and the command prompt are a special
1238: * case. The queue might be blocked so they need to be processed
1239: * immediately rather than queued.
1.280 nicm 1240: */
1.291 nicm 1241: if (~c->flags & CLIENT_READONLY) {
1242: status_message_clear(c);
1243: if (c->prompt_string != NULL) {
1244: if (status_prompt_key(c, event->key) == 0)
1245: return (0);
1246: }
1247: if (c->overlay_key != NULL) {
1248: switch (c->overlay_key(c, event)) {
1249: case 0:
1250: return (0);
1251: case 1:
1252: server_client_clear_overlay(c);
1253: return (0);
1254: }
1.290 nicm 1255: }
1.293 nicm 1256: server_client_clear_overlay(c);
1.280 nicm 1257: }
1258:
1259: /*
1260: * Add the key to the queue so it happens after any commands queued by
1261: * previous keys.
1262: */
1263: item = cmdq_get_callback(server_client_key_callback, event);
1264: cmdq_append(c, item);
1265: return (1);
1.18 nicm 1266: }
1267:
1.2 nicm 1268: /* Client functions that need to happen every loop. */
1269: void
1270: server_client_loop(void)
1271: {
1272: struct client *c;
1273: struct window *w;
1274: struct window_pane *wp;
1.287 nicm 1275: struct winlink *wl;
1276: struct session *s;
1.296 nicm 1277: int focus, attached, resize;
1.2 nicm 1278:
1.135 nicm 1279: TAILQ_FOREACH(c, &clients, entry) {
1.36 nicm 1280: server_client_check_exit(c);
1281: if (c->session != NULL) {
1282: server_client_check_redraw(c);
1283: server_client_reset_state(c);
1284: }
1.2 nicm 1285: }
1286:
1287: /*
1288: * Any windows will have been redrawn as part of clients, so clear
1.92 nicm 1289: * their flags now. Also check pane focus and resize.
1.296 nicm 1290: *
1291: * As an optimization, panes in windows that are in an attached session
1292: * but not the current window are not resized (this reduces the amount
1293: * of work needed when, for example, resizing an X terminal a
1294: * lot). Windows in no attached session are resized immediately since
1295: * that is likely to have come from a command like split-window and be
1296: * what the user wanted.
1.2 nicm 1297: */
1.197 nicm 1298: focus = options_get_number(global_options, "focus-events");
1.134 nicm 1299: RB_FOREACH(w, windows, &windows) {
1.296 nicm 1300: attached = resize = 0;
1.287 nicm 1301: TAILQ_FOREACH(wl, &w->winlinks, wentry) {
1302: s = wl->session;
1.296 nicm 1303: if (s->attached != 0)
1304: attached = 1;
1305: if (s->attached != 0 && s->curw == wl) {
1306: resize = 1;
1.287 nicm 1307: break;
1.296 nicm 1308: }
1.287 nicm 1309: }
1.296 nicm 1310: if (!attached)
1311: resize = 1;
1.91 nicm 1312: TAILQ_FOREACH(wp, &w->panes, entry) {
1.289 nicm 1313: if (wp->fd != -1) {
1.197 nicm 1314: if (focus)
1315: server_client_check_focus(wp);
1.296 nicm 1316: if (resize)
1.289 nicm 1317: server_client_check_resize(wp);
1.101 nicm 1318: }
1.2 nicm 1319: wp->flags &= ~PANE_REDRAW;
1.91 nicm 1320: }
1.150 nicm 1321: check_window_name(w);
1.2 nicm 1322: }
1.92 nicm 1323: }
1324:
1.237 nicm 1325: /* Check if we need to force a resize. */
1326: static int
1327: server_client_resize_force(struct window_pane *wp)
1328: {
1329: struct timeval tv = { .tv_usec = 100000 };
1330:
1331: /*
1332: * If we are resizing to the same size as when we entered the loop
1333: * (that is, to the same size the application currently thinks it is),
1334: * tmux may have gone through several resizes internally and thrown
1335: * away parts of the screen. So we need the application to actually
1336: * redraw even though its final size has not changed.
1337: */
1338:
1339: if (wp->flags & PANE_RESIZEFORCE) {
1340: wp->flags &= ~PANE_RESIZEFORCE;
1341: return (0);
1342: }
1343:
1344: if (wp->sx != wp->osx ||
1345: wp->sy != wp->osy ||
1346: wp->sx <= 1 ||
1347: wp->sy <= 1)
1348: return (0);
1349:
1350: log_debug("%s: %%%u forcing resize", __func__, wp->id);
1.297 nicm 1351: window_pane_send_resize(wp, -1);
1.237 nicm 1352:
1353: evtimer_add(&wp->resize_timer, &tv);
1354: wp->flags |= PANE_RESIZEFORCE;
1355: return (1);
1356: }
1357:
1.294 nicm 1358: /* Resize a pane. */
1.188 nicm 1359: static void
1.294 nicm 1360: server_client_resize_pane(struct window_pane *wp)
1.92 nicm 1361: {
1.235 nicm 1362: log_debug("%s: %%%u resize to %u,%u", __func__, wp->id, wp->sx, wp->sy);
1.297 nicm 1363: window_pane_send_resize(wp, 0);
1.92 nicm 1364:
1365: wp->flags &= ~PANE_RESIZE;
1.235 nicm 1366:
1367: wp->osx = wp->sx;
1368: wp->osy = wp->sy;
1.188 nicm 1369: }
1370:
1.294 nicm 1371: /* Start the resize timer. */
1372: static void
1373: server_client_start_resize_timer(struct window_pane *wp)
1374: {
1375: struct timeval tv = { .tv_usec = 250000 };
1376:
1377: if (!evtimer_pending(&wp->resize_timer, NULL))
1378: evtimer_add(&wp->resize_timer, &tv);
1379: }
1380:
1381: /* Resize timer event. */
1382: static void
1383: server_client_resize_event(__unused int fd, __unused short events, void *data)
1384: {
1385: struct window_pane *wp = data;
1386:
1387: evtimer_del(&wp->resize_timer);
1388:
1389: if (~wp->flags & PANE_RESIZE)
1390: return;
1391: log_debug("%s: %%%u timer fired (was%s resized)", __func__, wp->id,
1392: (wp->flags & PANE_RESIZED) ? "" : " not");
1393:
1394: if (wp->saved_grid == NULL && (wp->flags & PANE_RESIZED)) {
1395: log_debug("%s: %%%u deferring timer", __func__, wp->id);
1396: server_client_start_resize_timer(wp);
1397: } else if (!server_client_resize_force(wp)) {
1398: log_debug("%s: %%%u resizing pane", __func__, wp->id);
1399: server_client_resize_pane(wp);
1400: }
1401: wp->flags &= ~PANE_RESIZED;
1402: }
1403:
1.188 nicm 1404: /* Check if pane should be resized. */
1.190 nicm 1405: static void
1.188 nicm 1406: server_client_check_resize(struct window_pane *wp)
1407: {
1.294 nicm 1408: if (~wp->flags & PANE_RESIZE)
1.188 nicm 1409: return;
1410:
1411: if (!event_initialized(&wp->resize_timer))
1412: evtimer_set(&wp->resize_timer, server_client_resize_event, wp);
1413:
1.294 nicm 1414: if (!evtimer_pending(&wp->resize_timer, NULL)) {
1415: log_debug("%s: %%%u starting timer", __func__, wp->id);
1416: server_client_resize_pane(wp);
1417: server_client_start_resize_timer(wp);
1418: } else
1419: log_debug("%s: %%%u timer running", __func__, wp->id);
1.91 nicm 1420: }
1421:
1422: /* Check whether pane should be focused. */
1.190 nicm 1423: static void
1.91 nicm 1424: server_client_check_focus(struct window_pane *wp)
1425: {
1.93 nicm 1426: struct client *c;
1.102 nicm 1427: int push;
1428:
1429: /* Do we need to push the focus state? */
1430: push = wp->flags & PANE_FOCUSPUSH;
1431: wp->flags &= ~PANE_FOCUSPUSH;
1.91 nicm 1432:
1433: /* If we're not the active pane in our window, we're not focused. */
1434: if (wp->window->active != wp)
1435: goto not_focused;
1436:
1437: /* If we're in a mode, we're not focused. */
1438: if (wp->screen != &wp->base)
1439: goto not_focused;
1440:
1441: /*
1.93 nicm 1442: * If our window is the current window in any focused clients with an
1443: * attached session, we're focused.
1.91 nicm 1444: */
1.135 nicm 1445: TAILQ_FOREACH(c, &clients, entry) {
1446: if (c->session == NULL || !(c->flags & CLIENT_FOCUSED))
1.91 nicm 1447: continue;
1.255 nicm 1448: if (c->session->attached == 0)
1.93 nicm 1449: continue;
1450:
1451: if (c->session->curw->window == wp->window)
1.91 nicm 1452: goto focused;
1453: }
1454:
1455: not_focused:
1.251 nicm 1456: if (push || (wp->flags & PANE_FOCUSED)) {
1457: if (wp->base.mode & MODE_FOCUSON)
1458: bufferevent_write(wp->event, "\033[O", 3);
1459: notify_pane("pane-focus-out", wp);
1460: }
1.91 nicm 1461: wp->flags &= ~PANE_FOCUSED;
1462: return;
1463:
1464: focused:
1.251 nicm 1465: if (push || !(wp->flags & PANE_FOCUSED)) {
1466: if (wp->base.mode & MODE_FOCUSON)
1467: bufferevent_write(wp->event, "\033[I", 3);
1468: notify_pane("pane-focus-in", wp);
1.275 nicm 1469: session_update_activity(c->session, NULL);
1.251 nicm 1470: }
1.91 nicm 1471: wp->flags |= PANE_FOCUSED;
1.2 nicm 1472: }
1473:
1.18 nicm 1474: /*
1475: * Update cursor position and mode settings. The scroll region and attributes
1476: * are cleared when idle (waiting for an event) as this is the most likely time
1477: * a user may interrupt tmux, for example with ~^Z in ssh(1). This is a
1478: * compromise between excessive resets and likelihood of an interrupt.
1479: *
1480: * tty_region/tty_reset/tty_update_mode already take care of not resetting
1481: * things that are already in their default state.
1482: */
1.190 nicm 1483: static void
1.18 nicm 1484: server_client_reset_state(struct client *c)
1.1 nicm 1485: {
1.18 nicm 1486: struct window *w = c->session->curw->window;
1.209 nicm 1487: struct window_pane *wp = w->active, *loop;
1.18 nicm 1488: struct screen *s = wp->screen;
1.163 nicm 1489: struct options *oo = c->session->options;
1.261 nicm 1490: int mode, cursor = 0;
1491: u_int cx = 0, cy = 0, ox, oy, sx, sy;
1.60 nicm 1492:
1.186 nicm 1493: if (c->flags & (CLIENT_CONTROL|CLIENT_SUSPENDED))
1.86 nicm 1494: return;
1.282 nicm 1495: if (c->overlay_draw != NULL)
1496: return;
1.261 nicm 1497: mode = s->mode;
1.86 nicm 1498:
1.199 nicm 1499: tty_region_off(&c->tty);
1500: tty_margin_off(&c->tty);
1.1 nicm 1501:
1.261 nicm 1502: /* Move cursor to pane cursor and offset. */
1503: cursor = 0;
1504: tty_window_offset(&c->tty, &ox, &oy, &sx, &sy);
1505: if (wp->xoff + s->cx >= ox && wp->xoff + s->cx <= ox + sx &&
1506: wp->yoff + s->cy >= oy && wp->yoff + s->cy <= oy + sy) {
1507: cursor = 1;
1508:
1509: cx = wp->xoff + s->cx - ox;
1510: cy = wp->yoff + s->cy - oy;
1511:
1512: if (status_at_line(c) == 0)
1513: cy += status_line_size(c);
1514: }
1515: if (!cursor)
1516: mode &= ~MODE_CURSOR;
1517: tty_cursor(&c->tty, cx, cy);
1.1 nicm 1518:
1.50 nicm 1519: /*
1.131 nicm 1520: * Set mouse mode if requested. To support dragging, always use button
1521: * mode.
1.57 nicm 1522: */
1.209 nicm 1523: if (options_get_number(oo, "mouse")) {
1524: mode &= ~ALL_MOUSE_MODES;
1525: TAILQ_FOREACH(loop, &w->panes, entry) {
1526: if (loop->screen->mode & MODE_MOUSE_ALL)
1527: mode |= MODE_MOUSE_ALL;
1528: }
1529: if (~mode & MODE_MOUSE_ALL)
1530: mode |= MODE_MOUSE_BUTTON;
1531: }
1.215 nicm 1532:
1533: /* Clear bracketed paste mode if at the prompt. */
1534: if (c->prompt_string != NULL)
1535: mode &= ~MODE_BRACKETPASTE;
1.48 nicm 1536:
1537: /* Set the terminal mode and reset attributes. */
1.59 nicm 1538: tty_update_mode(&c->tty, mode, s);
1.1 nicm 1539: tty_reset(&c->tty);
1.17 nicm 1540: }
1541:
1542: /* Repeat time callback. */
1.190 nicm 1543: static void
1.170 nicm 1544: server_client_repeat_timer(__unused int fd, __unused short events, void *data)
1.17 nicm 1545: {
1546: struct client *c = data;
1547:
1.85 nicm 1548: if (c->flags & CLIENT_REPEAT) {
1.178 nicm 1549: server_client_set_key_table(c, NULL);
1.132 nicm 1550: c->flags &= ~CLIENT_REPEAT;
1551: server_status_client(c);
1.85 nicm 1552: }
1.192 nicm 1553: }
1554:
1555: /* Double-click callback. */
1556: static void
1557: server_client_click_timer(__unused int fd, __unused short events, void *data)
1558: {
1.306 nicm 1559: struct client *c = data;
1560: struct key_event *event;
1561:
1562: log_debug("click timer expired");
1.192 nicm 1563:
1.306 nicm 1564: if (c->flags & CLIENT_TRIPLECLICK) {
1565: /*
1566: * Waiting for a third click that hasn't happened, so this must
1567: * have been a double click.
1568: */
1569: event = xmalloc(sizeof *event);
1570: event->key = KEYC_DOUBLECLICK;
1571: memcpy(&event->m, &c->click_event, sizeof event->m);
1572: if (!server_client_handle_key(c, event))
1573: free(event);
1574: }
1.192 nicm 1575: c->flags &= ~(CLIENT_DOUBLECLICK|CLIENT_TRIPLECLICK);
1.1 nicm 1576: }
1577:
1.36 nicm 1578: /* Check if client should be exited. */
1.190 nicm 1579: static void
1.36 nicm 1580: server_client_check_exit(struct client *c)
1581: {
1.300 nicm 1582: struct client_file *cf;
1583:
1.286 nicm 1584: if (~c->flags & CLIENT_EXIT)
1585: return;
1586: if (c->flags & CLIENT_EXITED)
1.36 nicm 1587: return;
1588:
1.300 nicm 1589: RB_FOREACH(cf, client_files, &c->files) {
1590: if (EVBUFFER_LENGTH(cf->buffer) != 0)
1591: return;
1592: }
1.36 nicm 1593:
1.249 nicm 1594: if (c->flags & CLIENT_ATTACHED)
1595: notify_client("client-detached", c);
1.162 nicm 1596: proc_send(c->peer, MSG_EXIT, -1, &c->retval, sizeof c->retval);
1.286 nicm 1597: c->flags |= CLIENT_EXITED;
1.38 nicm 1598: }
1599:
1.218 nicm 1600: /* Redraw timer callback. */
1601: static void
1602: server_client_redraw_timer(__unused int fd, __unused short events,
1.299 nicm 1603: __unused void *data)
1.218 nicm 1604: {
1605: log_debug("redraw timer fired");
1606: }
1607:
1.1 nicm 1608: /* Check for client redraws. */
1.190 nicm 1609: static void
1.1 nicm 1610: server_client_check_redraw(struct client *c)
1611: {
1612: struct session *s = c->session;
1.137 nicm 1613: struct tty *tty = &c->tty;
1.1 nicm 1614: struct window_pane *wp;
1.256 nicm 1615: int needed, flags;
1.218 nicm 1616: struct timeval tv = { .tv_usec = 1000 };
1617: static struct event ev;
1618: size_t left;
1.1 nicm 1619:
1.86 nicm 1620: if (c->flags & (CLIENT_CONTROL|CLIENT_SUSPENDED))
1.79 nicm 1621: return;
1.257 nicm 1622: if (c->flags & CLIENT_ALLREDRAWFLAGS) {
1.282 nicm 1623: log_debug("%s: redraw%s%s%s%s", c->name,
1.257 nicm 1624: (c->flags & CLIENT_REDRAWWINDOW) ? " window" : "",
1625: (c->flags & CLIENT_REDRAWSTATUS) ? " status" : "",
1.282 nicm 1626: (c->flags & CLIENT_REDRAWBORDERS) ? " borders" : "",
1627: (c->flags & CLIENT_REDRAWOVERLAY) ? " overlay" : "");
1.257 nicm 1628: }
1.218 nicm 1629:
1630: /*
1631: * If there is outstanding data, defer the redraw until it has been
1632: * consumed. We can just add a timer to get out of the event loop and
1633: * end up back here.
1634: */
1635: needed = 0;
1.256 nicm 1636: if (c->flags & CLIENT_ALLREDRAWFLAGS)
1.218 nicm 1637: needed = 1;
1638: else {
1639: TAILQ_FOREACH(wp, &c->session->curw->window->panes, entry) {
1640: if (wp->flags & PANE_REDRAW) {
1641: needed = 1;
1642: break;
1643: }
1644: }
1645: }
1.241 nicm 1646: if (needed && (left = EVBUFFER_LENGTH(tty->out)) != 0) {
1647: log_debug("%s: redraw deferred (%zu left)", c->name, left);
1648: if (!evtimer_initialized(&ev))
1649: evtimer_set(&ev, server_client_redraw_timer, NULL);
1650: if (!evtimer_pending(&ev, NULL)) {
1.218 nicm 1651: log_debug("redraw timer started");
1652: evtimer_add(&ev, &tv);
1.241 nicm 1653: }
1.218 nicm 1654:
1.241 nicm 1655: /*
1656: * We may have got here for a single pane redraw, but force a
1657: * full redraw next time in case other panes have been updated.
1658: */
1.256 nicm 1659: c->flags |= CLIENT_ALLREDRAWFLAGS;
1.241 nicm 1660: return;
1661: } else if (needed)
1.218 nicm 1662: log_debug("%s: redraw needed", c->name);
1.79 nicm 1663:
1.219 nicm 1664: flags = tty->flags & (TTY_BLOCK|TTY_FREEZE|TTY_NOCURSOR);
1665: tty->flags = (tty->flags & ~(TTY_BLOCK|TTY_FREEZE)) | TTY_NOCURSOR;
1.137 nicm 1666:
1.256 nicm 1667: if (~c->flags & CLIENT_REDRAWWINDOW) {
1668: /*
1669: * If not redrawing the entire window, check whether each pane
1670: * needs to be redrawn.
1671: */
1.1 nicm 1672: TAILQ_FOREACH(wp, &c->session->curw->window->panes, entry) {
1.137 nicm 1673: if (wp->flags & PANE_REDRAW) {
1674: tty_update_mode(tty, tty->mode, NULL);
1.1 nicm 1675: screen_redraw_pane(c, wp);
1.137 nicm 1676: }
1.1 nicm 1677: }
1678: }
1679:
1.256 nicm 1680: if (c->flags & CLIENT_ALLREDRAWFLAGS) {
1681: if (options_get_number(s->options, "set-titles"))
1682: server_client_set_title(c);
1683: screen_redraw_screen(c);
1684: }
1.1 nicm 1685:
1.137 nicm 1686: tty->flags = (tty->flags & ~(TTY_FREEZE|TTY_NOCURSOR)) | flags;
1687: tty_update_mode(tty, tty->mode, NULL);
1.1 nicm 1688:
1.256 nicm 1689: c->flags &= ~(CLIENT_ALLREDRAWFLAGS|CLIENT_STATUSFORCE);
1.230 nicm 1690:
1691: if (needed) {
1692: /*
1693: * We would have deferred the redraw unless the output buffer
1694: * was empty, so we can record how many bytes the redraw
1695: * generated.
1696: */
1697: c->redraw = EVBUFFER_LENGTH(tty->out);
1698: log_debug("%s: redraw added %zu bytes", c->name, c->redraw);
1699: }
1.1 nicm 1700: }
1701:
1702: /* Set client title. */
1.190 nicm 1703: static void
1.1 nicm 1704: server_client_set_title(struct client *c)
1705: {
1.128 nicm 1706: struct session *s = c->session;
1707: const char *template;
1708: char *title;
1709: struct format_tree *ft;
1.1 nicm 1710:
1.163 nicm 1711: template = options_get_string(s->options, "set-titles-string");
1.25 nicm 1712:
1.228 nicm 1713: ft = format_create(c, NULL, FORMAT_NONE, 0);
1.128 nicm 1714: format_defaults(ft, c, NULL, NULL, NULL);
1715:
1.269 nicm 1716: title = format_expand_time(ft, template);
1.1 nicm 1717: if (c->title == NULL || strcmp(title, c->title) != 0) {
1.77 nicm 1718: free(c->title);
1.1 nicm 1719: c->title = xstrdup(title);
1720: tty_set_title(&c->tty, c->title);
1721: }
1.77 nicm 1722: free(title);
1.128 nicm 1723:
1724: format_free(ft);
1.1 nicm 1725: }
1726:
1727: /* Dispatch message from client. */
1.190 nicm 1728: static void
1.162 nicm 1729: server_client_dispatch(struct imsg *imsg, void *arg)
1.1 nicm 1730: {
1.300 nicm 1731: struct client *c = arg;
1732: ssize_t datalen;
1733: struct session *s;
1.1 nicm 1734:
1.162 nicm 1735: if (c->flags & CLIENT_DEAD)
1736: return;
1737:
1738: if (imsg == NULL) {
1739: server_client_lost(c);
1740: return;
1741: }
1.1 nicm 1742:
1.162 nicm 1743: datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
1.1 nicm 1744:
1.162 nicm 1745: switch (imsg->hdr.type) {
1746: case MSG_IDENTIFY_FLAGS:
1747: case MSG_IDENTIFY_TERM:
1748: case MSG_IDENTIFY_TTYNAME:
1749: case MSG_IDENTIFY_CWD:
1750: case MSG_IDENTIFY_STDIN:
1751: case MSG_IDENTIFY_ENVIRON:
1752: case MSG_IDENTIFY_CLIENTPID:
1753: case MSG_IDENTIFY_DONE:
1754: server_client_dispatch_identify(c, imsg);
1755: break;
1756: case MSG_COMMAND:
1757: server_client_dispatch_command(c, imsg);
1758: break;
1759: case MSG_RESIZE:
1760: if (datalen != 0)
1761: fatalx("bad MSG_RESIZE size");
1.1 nicm 1762:
1.162 nicm 1763: if (c->flags & CLIENT_CONTROL)
1.1 nicm 1764: break;
1.295 nicm 1765: server_client_update_latest(c);
1.282 nicm 1766: server_client_clear_overlay(c);
1.236 nicm 1767: tty_resize(&c->tty);
1768: recalculate_sizes();
1769: server_redraw_client(c);
1.174 nicm 1770: if (c->session != NULL)
1.196 nicm 1771: notify_client("client-resized", c);
1.162 nicm 1772: break;
1773: case MSG_EXITING:
1774: if (datalen != 0)
1775: fatalx("bad MSG_EXITING size");
1.1 nicm 1776:
1.162 nicm 1777: c->session = NULL;
1778: tty_close(&c->tty);
1779: proc_send(c->peer, MSG_EXITED, -1, NULL, 0);
1780: break;
1781: case MSG_WAKEUP:
1782: case MSG_UNLOCK:
1783: if (datalen != 0)
1784: fatalx("bad MSG_WAKEUP size");
1.121 nicm 1785:
1.162 nicm 1786: if (!(c->flags & CLIENT_SUSPENDED))
1787: break;
1788: c->flags &= ~CLIENT_SUSPENDED;
1.10 nicm 1789:
1.162 nicm 1790: if (c->tty.fd == -1) /* exited in the meantime */
1.1 nicm 1791: break;
1.162 nicm 1792: s = c->session;
1.1 nicm 1793:
1.162 nicm 1794: if (gettimeofday(&c->activity_time, NULL) != 0)
1795: fatal("gettimeofday failed");
1796:
1797: tty_start_tty(&c->tty);
1798: server_redraw_client(c);
1799: recalculate_sizes();
1.184 nicm 1800:
1801: if (s != NULL)
1802: session_update_activity(s, &c->activity_time);
1.162 nicm 1803: break;
1804: case MSG_SHELL:
1805: if (datalen != 0)
1806: fatalx("bad MSG_SHELL size");
1.1 nicm 1807:
1.162 nicm 1808: server_client_dispatch_shell(c);
1809: break;
1.300 nicm 1810: case MSG_WRITE_READY:
1811: server_client_dispatch_write_ready(c, imsg);
1812: break;
1813: case MSG_READ:
1814: server_client_dispatch_read_data(c, imsg);
1815: break;
1816: case MSG_READ_DONE:
1817: server_client_dispatch_read_done(c, imsg);
1818: break;
1.1 nicm 1819: }
1820: }
1821:
1.194 nicm 1822: /* Callback when command is done. */
1823: static enum cmd_retval
1.195 nicm 1824: server_client_command_done(struct cmdq_item *item, __unused void *data)
1.194 nicm 1825: {
1.195 nicm 1826: struct client *c = item->client;
1.194 nicm 1827:
1828: if (~c->flags & CLIENT_ATTACHED)
1829: c->flags |= CLIENT_EXIT;
1830: return (CMD_RETURN_NORMAL);
1831: }
1832:
1.1 nicm 1833: /* Handle command message. */
1.190 nicm 1834: static void
1.162 nicm 1835: server_client_dispatch_command(struct client *c, struct imsg *imsg)
1.1 nicm 1836: {
1.300 nicm 1837: struct msg_command data;
1.108 nicm 1838: char *buf;
1839: size_t len;
1840: int argc;
1841: char **argv, *cause;
1.285 nicm 1842: struct cmd_parse_result *pr;
1.246 nicm 1843:
1844: if (c->flags & CLIENT_EXIT)
1845: return;
1.108 nicm 1846:
1847: if (imsg->hdr.len - IMSG_HEADER_SIZE < sizeof data)
1848: fatalx("bad MSG_COMMAND size");
1849: memcpy(&data, imsg->data, sizeof data);
1850:
1.124 nicm 1851: buf = (char *)imsg->data + sizeof data;
1.108 nicm 1852: len = imsg->hdr.len - IMSG_HEADER_SIZE - sizeof data;
1853: if (len > 0 && buf[len - 1] != '\0')
1854: fatalx("bad MSG_COMMAND string");
1855:
1856: argc = data.argc;
1857: if (cmd_unpack_argv(buf, len, argc, &argv) != 0) {
1.194 nicm 1858: cause = xstrdup("command too long");
1.1 nicm 1859: goto error;
1860: }
1861:
1862: if (argc == 0) {
1863: argc = 1;
1864: argv = xcalloc(1, sizeof *argv);
1865: *argv = xstrdup("new-session");
1866: }
1867:
1.285 nicm 1868: pr = cmd_parse_from_arguments(argc, argv, NULL);
1869: switch (pr->status) {
1870: case CMD_PARSE_EMPTY:
1871: cause = xstrdup("empty command");
1.1 nicm 1872: goto error;
1.285 nicm 1873: case CMD_PARSE_ERROR:
1874: cause = pr->error;
1875: goto error;
1876: case CMD_PARSE_SUCCESS:
1877: break;
1.1 nicm 1878: }
1879: cmd_free_argv(argc, argv);
1880:
1.285 nicm 1881: cmdq_append(c, cmdq_get_command(pr->cmdlist, NULL, NULL, 0));
1.194 nicm 1882: cmdq_append(c, cmdq_get_callback(server_client_command_done, NULL));
1.285 nicm 1883:
1884: cmd_list_free(pr->cmdlist);
1.1 nicm 1885: return;
1886:
1887: error:
1.285 nicm 1888: cmd_free_argv(argc, argv);
1889:
1.284 nicm 1890: cmdq_append(c, cmdq_get_error(cause));
1891: free(cause);
1.88 nicm 1892:
1.36 nicm 1893: c->flags |= CLIENT_EXIT;
1.1 nicm 1894: }
1895:
1896: /* Handle identify message. */
1.190 nicm 1897: static void
1.162 nicm 1898: server_client_dispatch_identify(struct client *c, struct imsg *imsg)
1.1 nicm 1899: {
1.165 nicm 1900: const char *data, *home;
1.232 nicm 1901: size_t datalen;
1.109 nicm 1902: int flags;
1.216 nicm 1903: char *name;
1.109 nicm 1904:
1905: if (c->flags & CLIENT_IDENTIFIED)
1906: fatalx("out-of-order identify message");
1907:
1908: data = imsg->data;
1909: datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
1910:
1911: switch (imsg->hdr.type) {
1912: case MSG_IDENTIFY_FLAGS:
1913: if (datalen != sizeof flags)
1914: fatalx("bad MSG_IDENTIFY_FLAGS size");
1915: memcpy(&flags, data, sizeof flags);
1916: c->flags |= flags;
1.158 nicm 1917: log_debug("client %p IDENTIFY_FLAGS %#x", c, flags);
1.109 nicm 1918: break;
1919: case MSG_IDENTIFY_TERM:
1.110 nicm 1920: if (datalen == 0 || data[datalen - 1] != '\0')
1.109 nicm 1921: fatalx("bad MSG_IDENTIFY_TERM string");
1922: c->term = xstrdup(data);
1.158 nicm 1923: log_debug("client %p IDENTIFY_TERM %s", c, data);
1.109 nicm 1924: break;
1925: case MSG_IDENTIFY_TTYNAME:
1.110 nicm 1926: if (datalen == 0 || data[datalen - 1] != '\0')
1.109 nicm 1927: fatalx("bad MSG_IDENTIFY_TTYNAME string");
1928: c->ttyname = xstrdup(data);
1.158 nicm 1929: log_debug("client %p IDENTIFY_TTYNAME %s", c, data);
1.109 nicm 1930: break;
1931: case MSG_IDENTIFY_CWD:
1.155 nicm 1932: if (datalen == 0 || data[datalen - 1] != '\0')
1933: fatalx("bad MSG_IDENTIFY_CWD string");
1.165 nicm 1934: if (access(data, X_OK) == 0)
1935: c->cwd = xstrdup(data);
1936: else if ((home = find_home()) != NULL)
1937: c->cwd = xstrdup(home);
1938: else
1939: c->cwd = xstrdup("/");
1.158 nicm 1940: log_debug("client %p IDENTIFY_CWD %s", c, data);
1.109 nicm 1941: break;
1942: case MSG_IDENTIFY_STDIN:
1943: if (datalen != 0)
1944: fatalx("bad MSG_IDENTIFY_STDIN size");
1945: c->fd = imsg->fd;
1.158 nicm 1946: log_debug("client %p IDENTIFY_STDIN %d", c, imsg->fd);
1.109 nicm 1947: break;
1948: case MSG_IDENTIFY_ENVIRON:
1.110 nicm 1949: if (datalen == 0 || data[datalen - 1] != '\0')
1.109 nicm 1950: fatalx("bad MSG_IDENTIFY_ENVIRON string");
1951: if (strchr(data, '=') != NULL)
1.164 nicm 1952: environ_put(c->environ, data);
1.158 nicm 1953: log_debug("client %p IDENTIFY_ENVIRON %s", c, data);
1.143 nicm 1954: break;
1955: case MSG_IDENTIFY_CLIENTPID:
1956: if (datalen != sizeof c->pid)
1957: fatalx("bad MSG_IDENTIFY_CLIENTPID size");
1958: memcpy(&c->pid, data, sizeof c->pid);
1.158 nicm 1959: log_debug("client %p IDENTIFY_CLIENTPID %ld", c, (long)c->pid);
1.109 nicm 1960: break;
1961: default:
1962: break;
1963: }
1964:
1965: if (imsg->hdr.type != MSG_IDENTIFY_DONE)
1966: return;
1967: c->flags |= CLIENT_IDENTIFIED;
1.75 nicm 1968:
1.216 nicm 1969: if (*c->ttyname != '\0')
1970: name = xstrdup(c->ttyname);
1971: else
1972: xasprintf(&name, "client-%ld", (long)c->pid);
1973: c->name = name;
1974: log_debug("client %p name is %s", c, c->name);
1975:
1.109 nicm 1976: if (c->flags & CLIENT_CONTROL) {
1.300 nicm 1977: close(c->fd);
1978: c->fd = -1;
1.75 nicm 1979:
1.300 nicm 1980: control_start(c);
1.75 nicm 1981: c->tty.fd = -1;
1.288 nicm 1982: } else if (c->fd != -1) {
1983: if (tty_init(&c->tty, c, c->fd, c->term) != 0) {
1984: close(c->fd);
1985: c->fd = -1;
1986: } else {
1987: if (c->flags & CLIENT_UTF8)
1988: c->tty.flags |= TTY_UTF8;
1989: if (c->flags & CLIENT_256COLOURS)
1990: c->tty.term_flags |= TERM_256COLOURS;
1991: tty_resize(&c->tty);
1992: c->flags |= CLIENT_TERMINAL;
1993: }
1.75 nicm 1994: }
1.1 nicm 1995:
1.288 nicm 1996: /*
1997: * If this is the first client that has finished identifying, load
1998: * configuration files.
1999: */
2000: if ((~c->flags & CLIENT_EXIT) &&
2001: !cfg_finished &&
2002: c == TAILQ_FIRST(&clients) &&
2003: TAILQ_NEXT(c, entry) == NULL)
2004: start_cfg();
1.1 nicm 2005: }
2006:
2007: /* Handle shell message. */
1.190 nicm 2008: static void
1.162 nicm 2009: server_client_dispatch_shell(struct client *c)
1.1 nicm 2010: {
1.107 nicm 2011: const char *shell;
1.25 nicm 2012:
1.163 nicm 2013: shell = options_get_string(global_s_options, "default-shell");
1.308 ! nicm 2014: if (!checkshell(shell))
1.1 nicm 2015: shell = _PATH_BSHELL;
1.240 nicm 2016: proc_send(c->peer, MSG_SHELL, -1, shell, strlen(shell) + 1);
1.25 nicm 2017:
1.162 nicm 2018: proc_kill_peer(c->peer);
1.169 nicm 2019: }
2020:
1.300 nicm 2021: /* Handle write ready message. */
1.169 nicm 2022: static void
1.300 nicm 2023: server_client_dispatch_write_ready(struct client *c, struct imsg *imsg)
1.169 nicm 2024: {
1.300 nicm 2025: struct msg_write_ready *msg = imsg->data;
2026: size_t msglen = imsg->hdr.len - IMSG_HEADER_SIZE;
2027: struct client_file find, *cf;
2028:
2029: if (msglen != sizeof *msg)
2030: fatalx("bad MSG_WRITE_READY size");
2031: find.stream = msg->stream;
2032: if ((cf = RB_FIND(client_files, &c->files, &find)) == NULL)
2033: return;
2034: if (msg->error != 0) {
2035: cf->error = msg->error;
2036: file_fire_done(cf);
2037: } else
2038: file_push(cf);
1.169 nicm 2039: }
2040:
1.300 nicm 2041: /* Handle read data message. */
2042: static void
2043: server_client_dispatch_read_data(struct client *c, struct imsg *imsg)
1.169 nicm 2044: {
1.300 nicm 2045: struct msg_read_data *msg = imsg->data;
2046: size_t msglen = imsg->hdr.len - IMSG_HEADER_SIZE;
2047: struct client_file find, *cf;
1.301 nicm 2048: void *bdata = msg + 1;
2049: size_t bsize = msglen - sizeof *msg;
1.169 nicm 2050:
1.301 nicm 2051: if (msglen < sizeof *msg)
1.300 nicm 2052: fatalx("bad MSG_READ_DATA size");
2053: find.stream = msg->stream;
2054: if ((cf = RB_FIND(client_files, &c->files, &find)) == NULL)
2055: return;
1.169 nicm 2056:
1.300 nicm 2057: log_debug("%s: file %d read %zu bytes", c->name, cf->stream, bsize);
2058: if (cf->error == 0) {
2059: if (evbuffer_add(cf->buffer, bdata, bsize) != 0) {
2060: cf->error = ENOMEM;
2061: file_fire_done(cf);
2062: } else
2063: file_fire_read(cf);
1.169 nicm 2064: }
2065: }
2066:
1.300 nicm 2067: /* Handle read done message. */
1.169 nicm 2068: static void
1.300 nicm 2069: server_client_dispatch_read_done(struct client *c, struct imsg *imsg)
1.169 nicm 2070: {
1.300 nicm 2071: struct msg_read_done *msg = imsg->data;
2072: size_t msglen = imsg->hdr.len - IMSG_HEADER_SIZE;
2073: struct client_file find, *cf;
1.169 nicm 2074:
1.300 nicm 2075: if (msglen != sizeof *msg)
2076: fatalx("bad MSG_READ_DONE size");
2077: find.stream = msg->stream;
2078: if ((cf = RB_FIND(client_files, &c->files, &find)) == NULL)
1.169 nicm 2079: return;
2080:
1.300 nicm 2081: log_debug("%s: file %d read done", c->name, cf->stream);
2082: cf->error = msg->error;
2083: file_fire_done(cf);
1.212 nicm 2084: }
2085:
2086: /* Add to client message log. */
2087: void
2088: server_client_add_message(struct client *c, const char *fmt, ...)
2089: {
2090: struct message_entry *msg, *msg1;
2091: char *s;
2092: va_list ap;
2093: u_int limit;
2094:
2095: va_start(ap, fmt);
2096: xvasprintf(&s, fmt, ap);
2097: va_end(ap);
2098:
1.216 nicm 2099: log_debug("message %s (client %p)", s, c);
1.212 nicm 2100:
2101: msg = xcalloc(1, sizeof *msg);
2102: msg->msg_time = time(NULL);
2103: msg->msg_num = c->message_next++;
2104: msg->msg = s;
2105: TAILQ_INSERT_TAIL(&c->message_log, msg, entry);
2106:
2107: limit = options_get_number(global_options, "message-limit");
2108: TAILQ_FOREACH_SAFE(msg, &c->message_log, entry, msg1) {
2109: if (msg->msg_num + limit >= c->message_next)
2110: break;
2111: free(msg->msg);
2112: TAILQ_REMOVE(&c->message_log, msg, entry);
2113: free(msg);
1.169 nicm 2114: }
1.213 nicm 2115: }
2116:
2117: /* Get client working directory. */
2118: const char *
1.250 nicm 2119: server_client_get_cwd(struct client *c, struct session *s)
1.213 nicm 2120: {
1.250 nicm 2121: const char *home;
1.213 nicm 2122:
1.265 nicm 2123: if (!cfg_finished && cfg_client != NULL)
2124: return (cfg_client->cwd);
1.213 nicm 2125: if (c != NULL && c->session == NULL && c->cwd != NULL)
2126: return (c->cwd);
1.250 nicm 2127: if (s != NULL && s->cwd != NULL)
2128: return (s->cwd);
1.213 nicm 2129: if (c != NULL && (s = c->session) != NULL && s->cwd != NULL)
2130: return (s->cwd);
1.250 nicm 2131: if ((home = find_home()) != NULL)
2132: return (home);
2133: return ("/");
1.1 nicm 2134: }
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