Annotation of src/usr.bin/tmux/server-client.c, Revision 1.303
1.303 ! nicm 1: /* $OpenBSD: server-client.c,v 1.302 2019/12/16 16:39:03 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");
403: shellsize = strlen(shell) + 1;
404:
405: msg = xmalloc(cmdsize + shellsize);
406: memcpy(msg, cmd, cmdsize);
407: memcpy(msg + cmdsize, shell, shellsize);
408:
409: proc_send(c->peer, MSG_EXEC, -1, msg, cmdsize + shellsize);
410: free(msg);
1.174 nicm 411: }
412:
1.66 nicm 413: /* Check for mouse keys. */
1.190 nicm 414: static key_code
1.276 nicm 415: server_client_check_mouse(struct client *c, struct key_event *event)
1.66 nicm 416: {
1.276 nicm 417: struct mouse_event *m = &event->m;
1.192 nicm 418: struct session *s = c->session;
1.272 nicm 419: struct winlink *wl;
1.192 nicm 420: struct window_pane *wp;
1.261 nicm 421: u_int x, y, b, sx, sy, px, py;
1.192 nicm 422: int flag;
423: key_code key;
424: struct timeval tv;
1.272 nicm 425: struct style_range *sr;
1.283 nicm 426: enum { NOTYPE,
427: MOVE,
428: DOWN,
429: UP,
430: DRAG,
431: WHEEL,
432: DOUBLE,
433: TRIPLE } type = NOTYPE;
1.276 nicm 434: enum { NOWHERE,
435: PANE,
436: STATUS,
437: STATUS_LEFT,
438: STATUS_RIGHT,
439: STATUS_DEFAULT,
1.283 nicm 440: BORDER } where = NOWHERE;
1.131 nicm 441:
1.261 nicm 442: log_debug("%s mouse %02x at %u,%u (last %u,%u) (%d)", c->name, m->b,
443: m->x, m->y, m->lx, m->ly, c->tty.mouse_drag_flag);
1.131 nicm 444:
445: /* What type of event is this? */
1.209 nicm 446: if ((m->sgr_type != ' ' &&
447: MOUSE_DRAG(m->sgr_b) &&
448: MOUSE_BUTTONS(m->sgr_b) == 3) ||
449: (m->sgr_type == ' ' &&
450: MOUSE_DRAG(m->b) &&
451: MOUSE_BUTTONS(m->b) == 3 &&
452: MOUSE_BUTTONS(m->lb) == 3)) {
453: type = MOVE;
454: x = m->x, y = m->y, b = 0;
455: log_debug("move at %u,%u", x, y);
456: } else if (MOUSE_DRAG(m->b)) {
1.131 nicm 457: type = DRAG;
458: if (c->tty.mouse_drag_flag) {
459: x = m->x, y = m->y, b = m->b;
1.278 nicm 460: if (x == m->lx && y == m->ly)
461: return (KEYC_UNKNOWN);
1.131 nicm 462: log_debug("drag update at %u,%u", x, y);
463: } else {
1.277 nicm 464: x = m->lx, y = m->ly, b = m->lb;
1.131 nicm 465: log_debug("drag start at %u,%u", x, y);
466: }
467: } else if (MOUSE_WHEEL(m->b)) {
468: type = WHEEL;
469: x = m->x, y = m->y, b = m->b;
470: log_debug("wheel at %u,%u", x, y);
1.200 nicm 471: } else if (MOUSE_RELEASE(m->b)) {
1.131 nicm 472: type = UP;
473: x = m->x, y = m->y, b = m->lb;
474: log_debug("up at %u,%u", x, y);
475: } else {
1.192 nicm 476: if (c->flags & CLIENT_DOUBLECLICK) {
477: evtimer_del(&c->click_timer);
478: c->flags &= ~CLIENT_DOUBLECLICK;
479: if (m->b == c->click_button) {
480: type = DOUBLE;
481: x = m->x, y = m->y, b = m->b;
482: log_debug("double-click at %u,%u", x, y);
483: flag = CLIENT_TRIPLECLICK;
484: goto add_timer;
485: }
486: } else if (c->flags & CLIENT_TRIPLECLICK) {
487: evtimer_del(&c->click_timer);
488: c->flags &= ~CLIENT_TRIPLECLICK;
489: if (m->b == c->click_button) {
490: type = TRIPLE;
491: x = m->x, y = m->y, b = m->b;
492: log_debug("triple-click at %u,%u", x, y);
493: goto have_event;
494: }
495: }
496:
1.131 nicm 497: type = DOWN;
498: x = m->x, y = m->y, b = m->b;
499: log_debug("down at %u,%u", x, y);
1.192 nicm 500: flag = CLIENT_DOUBLECLICK;
501:
502: add_timer:
503: if (KEYC_CLICK_TIMEOUT != 0) {
504: c->flags |= flag;
505: c->click_button = m->b;
506:
507: tv.tv_sec = KEYC_CLICK_TIMEOUT / 1000;
508: tv.tv_usec = (KEYC_CLICK_TIMEOUT % 1000) * 1000L;
509: evtimer_del(&c->click_timer);
510: evtimer_add(&c->click_timer, &tv);
511: }
1.131 nicm 512: }
1.192 nicm 513:
514: have_event:
1.131 nicm 515: if (type == NOTYPE)
1.177 nicm 516: return (KEYC_UNKNOWN);
1.131 nicm 517:
1.258 nicm 518: /* Save the session. */
1.131 nicm 519: m->s = s->id;
1.258 nicm 520: m->w = -1;
1.131 nicm 521:
522: /* Is this on the status line? */
523: m->statusat = status_at_line(c);
1.292 nicm 524: m->statuslines = status_line_size(c);
1.272 nicm 525: if (m->statusat != -1 &&
526: y >= (u_int)m->statusat &&
1.292 nicm 527: y < m->statusat + m->statuslines) {
1.272 nicm 528: sr = status_get_range(c, x, y - m->statusat);
1.274 nicm 529: if (sr == NULL) {
530: where = STATUS_DEFAULT;
531: } else {
532: switch (sr->type) {
533: case STYLE_RANGE_NONE:
1.273 nicm 534: return (KEYC_UNKNOWN);
1.274 nicm 535: case STYLE_RANGE_LEFT:
536: where = STATUS_LEFT;
537: break;
538: case STYLE_RANGE_RIGHT:
539: where = STATUS_RIGHT;
540: break;
541: case STYLE_RANGE_WINDOW:
1.298 nicm 542: wl = winlink_find_by_index(&s->windows,
543: sr->argument);
1.274 nicm 544: if (wl == NULL)
545: return (KEYC_UNKNOWN);
546: m->w = wl->window->id;
1.273 nicm 547:
1.274 nicm 548: where = STATUS;
549: break;
550: }
1.258 nicm 551: }
552: }
1.131 nicm 553:
554: /* Not on status line. Adjust position and check for border or pane. */
555: if (where == NOWHERE) {
1.261 nicm 556: px = x;
1.292 nicm 557: if (m->statusat == 0 && y >= m->statuslines)
558: py = y - m->statuslines;
1.131 nicm 559: else if (m->statusat > 0 && y >= (u_int)m->statusat)
1.261 nicm 560: py = m->statusat - 1;
561: else
562: py = y;
563:
564: tty_window_offset(&c->tty, &m->ox, &m->oy, &sx, &sy);
565: log_debug("mouse window @%u at %u,%u (%ux%u)",
566: s->curw->window->id, m->ox, m->oy, sx, sy);
567: if (px > sx || py > sy)
568: return (KEYC_UNKNOWN);
569: px = px + m->ox;
570: py = py + m->oy;
1.131 nicm 571:
1.260 nicm 572: /* Try the pane borders if not zoomed. */
573: if (~s->curw->window->flags & WINDOW_ZOOMED) {
574: TAILQ_FOREACH(wp, &s->curw->window->panes, entry) {
1.261 nicm 575: if ((wp->xoff + wp->sx == px &&
576: wp->yoff <= 1 + py &&
577: wp->yoff + wp->sy >= py) ||
578: (wp->yoff + wp->sy == py &&
579: wp->xoff <= 1 + px &&
580: wp->xoff + wp->sx >= px))
1.260 nicm 581: break;
582: }
583: if (wp != NULL)
584: where = BORDER;
1.131 nicm 585: }
1.260 nicm 586:
587: /* Otherwise try inside the pane. */
588: if (where == NOWHERE) {
1.261 nicm 589: wp = window_get_active_at(s->curw->window, px, py);
1.260 nicm 590: if (wp != NULL)
1.131 nicm 591: where = PANE;
592: }
1.260 nicm 593:
1.131 nicm 594: if (where == NOWHERE)
1.177 nicm 595: return (KEYC_UNKNOWN);
1.260 nicm 596: if (where == PANE)
597: log_debug("mouse %u,%u on pane %%%u", x, y, wp->id);
598: else if (where == BORDER)
599: log_debug("mouse on pane %%%u border", wp->id);
1.131 nicm 600: m->wp = wp->id;
601: m->w = wp->window->id;
602: } else
603: m->wp = -1;
604:
605: /* Stop dragging if needed. */
1.200 nicm 606: if (type != DRAG && type != WHEEL && c->tty.mouse_drag_flag) {
1.131 nicm 607: if (c->tty.mouse_drag_release != NULL)
608: c->tty.mouse_drag_release(c, m);
609:
610: c->tty.mouse_drag_update = NULL;
611: c->tty.mouse_drag_release = NULL;
612:
1.182 nicm 613: /*
1.183 nicm 614: * End a mouse drag by passing a MouseDragEnd key corresponding
615: * to the button that started the drag.
1.182 nicm 616: */
617: switch (c->tty.mouse_drag_flag) {
618: case 1:
619: if (where == PANE)
1.183 nicm 620: key = KEYC_MOUSEDRAGEND1_PANE;
1.182 nicm 621: if (where == STATUS)
1.183 nicm 622: key = KEYC_MOUSEDRAGEND1_STATUS;
1.258 nicm 623: if (where == STATUS_LEFT)
624: key = KEYC_MOUSEDRAGEND1_STATUS_LEFT;
625: if (where == STATUS_RIGHT)
626: key = KEYC_MOUSEDRAGEND1_STATUS_RIGHT;
1.274 nicm 627: if (where == STATUS_DEFAULT)
628: key = KEYC_MOUSEDRAGEND1_STATUS_DEFAULT;
1.182 nicm 629: if (where == BORDER)
1.183 nicm 630: key = KEYC_MOUSEDRAGEND1_BORDER;
1.182 nicm 631: break;
632: case 2:
633: if (where == PANE)
1.183 nicm 634: key = KEYC_MOUSEDRAGEND2_PANE;
1.182 nicm 635: if (where == STATUS)
1.183 nicm 636: key = KEYC_MOUSEDRAGEND2_STATUS;
1.258 nicm 637: if (where == STATUS_LEFT)
638: key = KEYC_MOUSEDRAGEND2_STATUS_LEFT;
639: if (where == STATUS_RIGHT)
640: key = KEYC_MOUSEDRAGEND2_STATUS_RIGHT;
1.274 nicm 641: if (where == STATUS_DEFAULT)
642: key = KEYC_MOUSEDRAGEND2_STATUS_DEFAULT;
1.182 nicm 643: if (where == BORDER)
1.183 nicm 644: key = KEYC_MOUSEDRAGEND2_BORDER;
1.182 nicm 645: break;
646: case 3:
647: if (where == PANE)
1.183 nicm 648: key = KEYC_MOUSEDRAGEND3_PANE;
1.182 nicm 649: if (where == STATUS)
1.183 nicm 650: key = KEYC_MOUSEDRAGEND3_STATUS;
1.258 nicm 651: if (where == STATUS_LEFT)
652: key = KEYC_MOUSEDRAGEND3_STATUS_LEFT;
653: if (where == STATUS_RIGHT)
654: key = KEYC_MOUSEDRAGEND3_STATUS_RIGHT;
1.274 nicm 655: if (where == STATUS_DEFAULT)
656: key = KEYC_MOUSEDRAGEND3_STATUS_DEFAULT;
1.182 nicm 657: if (where == BORDER)
1.183 nicm 658: key = KEYC_MOUSEDRAGEND3_BORDER;
1.182 nicm 659: break;
660: default:
661: key = KEYC_MOUSE;
662: break;
663: }
1.131 nicm 664: c->tty.mouse_drag_flag = 0;
1.182 nicm 665:
666: return (key);
1.131 nicm 667: }
668:
669: /* Convert to a key binding. */
1.177 nicm 670: key = KEYC_UNKNOWN;
1.131 nicm 671: switch (type) {
672: case NOTYPE:
673: break;
1.209 nicm 674: case MOVE:
675: if (where == PANE)
676: key = KEYC_MOUSEMOVE_PANE;
677: if (where == STATUS)
678: key = KEYC_MOUSEMOVE_STATUS;
1.274 nicm 679: if (where == STATUS_LEFT)
680: key = KEYC_MOUSEMOVE_STATUS_LEFT;
681: if (where == STATUS_RIGHT)
682: key = KEYC_MOUSEMOVE_STATUS_RIGHT;
683: if (where == STATUS_DEFAULT)
684: key = KEYC_MOUSEMOVE_STATUS_DEFAULT;
1.209 nicm 685: if (where == BORDER)
686: key = KEYC_MOUSEMOVE_BORDER;
687: break;
1.131 nicm 688: case DRAG:
1.204 nicm 689: if (c->tty.mouse_drag_update != NULL)
690: key = KEYC_DRAGGING;
691: else {
1.131 nicm 692: switch (MOUSE_BUTTONS(b)) {
693: case 0:
694: if (where == PANE)
695: key = KEYC_MOUSEDRAG1_PANE;
696: if (where == STATUS)
697: key = KEYC_MOUSEDRAG1_STATUS;
1.258 nicm 698: if (where == STATUS_LEFT)
699: key = KEYC_MOUSEDRAG1_STATUS_LEFT;
700: if (where == STATUS_RIGHT)
701: key = KEYC_MOUSEDRAG1_STATUS_RIGHT;
1.274 nicm 702: if (where == STATUS_DEFAULT)
703: key = KEYC_MOUSEDRAG1_STATUS_DEFAULT;
1.131 nicm 704: if (where == BORDER)
705: key = KEYC_MOUSEDRAG1_BORDER;
706: break;
707: case 1:
708: if (where == PANE)
709: key = KEYC_MOUSEDRAG2_PANE;
710: if (where == STATUS)
711: key = KEYC_MOUSEDRAG2_STATUS;
1.258 nicm 712: if (where == STATUS_LEFT)
713: key = KEYC_MOUSEDRAG2_STATUS_LEFT;
714: if (where == STATUS_RIGHT)
715: key = KEYC_MOUSEDRAG2_STATUS_RIGHT;
1.274 nicm 716: if (where == STATUS_DEFAULT)
717: key = KEYC_MOUSEDRAG2_STATUS_DEFAULT;
1.131 nicm 718: if (where == BORDER)
719: key = KEYC_MOUSEDRAG2_BORDER;
720: break;
721: case 2:
722: if (where == PANE)
723: key = KEYC_MOUSEDRAG3_PANE;
724: if (where == STATUS)
725: key = KEYC_MOUSEDRAG3_STATUS;
1.258 nicm 726: if (where == STATUS_LEFT)
727: key = KEYC_MOUSEDRAG3_STATUS_LEFT;
728: if (where == STATUS_RIGHT)
729: key = KEYC_MOUSEDRAG3_STATUS_RIGHT;
1.274 nicm 730: if (where == STATUS_DEFAULT)
731: key = KEYC_MOUSEDRAG3_STATUS_DEFAULT;
1.131 nicm 732: if (where == BORDER)
733: key = KEYC_MOUSEDRAG3_BORDER;
734: break;
735: }
736: }
1.66 nicm 737:
1.182 nicm 738: /*
739: * Begin a drag by setting the flag to a non-zero value that
740: * corresponds to the mouse button in use.
741: */
742: c->tty.mouse_drag_flag = MOUSE_BUTTONS(b) + 1;
1.131 nicm 743: break;
744: case WHEEL:
745: if (MOUSE_BUTTONS(b) == MOUSE_WHEEL_UP) {
746: if (where == PANE)
747: key = KEYC_WHEELUP_PANE;
748: if (where == STATUS)
749: key = KEYC_WHEELUP_STATUS;
1.258 nicm 750: if (where == STATUS_LEFT)
751: key = KEYC_WHEELUP_STATUS_LEFT;
752: if (where == STATUS_RIGHT)
753: key = KEYC_WHEELUP_STATUS_RIGHT;
1.274 nicm 754: if (where == STATUS_DEFAULT)
755: key = KEYC_WHEELUP_STATUS_DEFAULT;
1.131 nicm 756: if (where == BORDER)
757: key = KEYC_WHEELUP_BORDER;
758: } else {
759: if (where == PANE)
760: key = KEYC_WHEELDOWN_PANE;
761: if (where == STATUS)
762: key = KEYC_WHEELDOWN_STATUS;
1.274 nicm 763: if (where == STATUS_LEFT)
764: key = KEYC_WHEELDOWN_STATUS_LEFT;
765: if (where == STATUS_RIGHT)
766: key = KEYC_WHEELDOWN_STATUS_RIGHT;
767: if (where == STATUS_DEFAULT)
768: key = KEYC_WHEELDOWN_STATUS_DEFAULT;
1.131 nicm 769: if (where == BORDER)
770: key = KEYC_WHEELDOWN_BORDER;
771: }
772: break;
773: case UP:
774: switch (MOUSE_BUTTONS(b)) {
775: case 0:
776: if (where == PANE)
777: key = KEYC_MOUSEUP1_PANE;
778: if (where == STATUS)
779: key = KEYC_MOUSEUP1_STATUS;
1.258 nicm 780: if (where == STATUS_LEFT)
781: key = KEYC_MOUSEUP1_STATUS_LEFT;
782: if (where == STATUS_RIGHT)
783: key = KEYC_MOUSEUP1_STATUS_RIGHT;
1.274 nicm 784: if (where == STATUS_DEFAULT)
785: key = KEYC_MOUSEUP1_STATUS_DEFAULT;
1.131 nicm 786: if (where == BORDER)
787: key = KEYC_MOUSEUP1_BORDER;
788: break;
789: case 1:
790: if (where == PANE)
791: key = KEYC_MOUSEUP2_PANE;
792: if (where == STATUS)
793: key = KEYC_MOUSEUP2_STATUS;
1.258 nicm 794: if (where == STATUS_LEFT)
795: key = KEYC_MOUSEUP2_STATUS_LEFT;
796: if (where == STATUS_RIGHT)
797: key = KEYC_MOUSEUP2_STATUS_RIGHT;
1.274 nicm 798: if (where == STATUS_DEFAULT)
799: key = KEYC_MOUSEUP2_STATUS_DEFAULT;
1.131 nicm 800: if (where == BORDER)
801: key = KEYC_MOUSEUP2_BORDER;
802: break;
803: case 2:
804: if (where == PANE)
805: key = KEYC_MOUSEUP3_PANE;
806: if (where == STATUS)
807: key = KEYC_MOUSEUP3_STATUS;
1.258 nicm 808: if (where == STATUS_LEFT)
809: key = KEYC_MOUSEUP3_STATUS_LEFT;
810: if (where == STATUS_RIGHT)
811: key = KEYC_MOUSEUP3_STATUS_RIGHT;
1.274 nicm 812: if (where == STATUS_DEFAULT)
813: key = KEYC_MOUSEUP3_STATUS_DEFAULT;
1.131 nicm 814: if (where == BORDER)
815: key = KEYC_MOUSEUP3_BORDER;
816: break;
817: }
818: break;
819: case DOWN:
820: switch (MOUSE_BUTTONS(b)) {
821: case 0:
822: if (where == PANE)
823: key = KEYC_MOUSEDOWN1_PANE;
824: if (where == STATUS)
825: key = KEYC_MOUSEDOWN1_STATUS;
1.258 nicm 826: if (where == STATUS_LEFT)
827: key = KEYC_MOUSEDOWN1_STATUS_LEFT;
828: if (where == STATUS_RIGHT)
829: key = KEYC_MOUSEDOWN1_STATUS_RIGHT;
1.274 nicm 830: if (where == STATUS_DEFAULT)
831: key = KEYC_MOUSEDOWN1_STATUS_DEFAULT;
1.131 nicm 832: if (where == BORDER)
833: key = KEYC_MOUSEDOWN1_BORDER;
834: break;
835: case 1:
836: if (where == PANE)
837: key = KEYC_MOUSEDOWN2_PANE;
838: if (where == STATUS)
839: key = KEYC_MOUSEDOWN2_STATUS;
1.258 nicm 840: if (where == STATUS_LEFT)
841: key = KEYC_MOUSEDOWN2_STATUS_LEFT;
842: if (where == STATUS_RIGHT)
843: key = KEYC_MOUSEDOWN2_STATUS_RIGHT;
1.274 nicm 844: if (where == STATUS_DEFAULT)
845: key = KEYC_MOUSEDOWN2_STATUS_DEFAULT;
1.131 nicm 846: if (where == BORDER)
847: key = KEYC_MOUSEDOWN2_BORDER;
848: break;
849: case 2:
850: if (where == PANE)
851: key = KEYC_MOUSEDOWN3_PANE;
852: if (where == STATUS)
853: key = KEYC_MOUSEDOWN3_STATUS;
1.258 nicm 854: if (where == STATUS_LEFT)
855: key = KEYC_MOUSEDOWN3_STATUS_LEFT;
856: if (where == STATUS_RIGHT)
857: key = KEYC_MOUSEDOWN3_STATUS_RIGHT;
1.274 nicm 858: if (where == STATUS_DEFAULT)
859: key = KEYC_MOUSEDOWN3_STATUS_DEFAULT;
1.131 nicm 860: if (where == BORDER)
861: key = KEYC_MOUSEDOWN3_BORDER;
862: break;
1.66 nicm 863: }
1.131 nicm 864: break;
1.192 nicm 865: case DOUBLE:
866: switch (MOUSE_BUTTONS(b)) {
867: case 0:
868: if (where == PANE)
869: key = KEYC_DOUBLECLICK1_PANE;
870: if (where == STATUS)
871: key = KEYC_DOUBLECLICK1_STATUS;
1.258 nicm 872: if (where == STATUS_LEFT)
873: key = KEYC_DOUBLECLICK1_STATUS_LEFT;
874: if (where == STATUS_RIGHT)
875: key = KEYC_DOUBLECLICK1_STATUS_RIGHT;
1.274 nicm 876: if (where == STATUS_DEFAULT)
877: key = KEYC_DOUBLECLICK1_STATUS_DEFAULT;
1.192 nicm 878: if (where == BORDER)
879: key = KEYC_DOUBLECLICK1_BORDER;
880: break;
881: case 1:
882: if (where == PANE)
883: key = KEYC_DOUBLECLICK2_PANE;
884: if (where == STATUS)
885: key = KEYC_DOUBLECLICK2_STATUS;
1.258 nicm 886: if (where == STATUS_LEFT)
887: key = KEYC_DOUBLECLICK2_STATUS_LEFT;
888: if (where == STATUS_RIGHT)
889: key = KEYC_DOUBLECLICK2_STATUS_RIGHT;
1.274 nicm 890: if (where == STATUS_DEFAULT)
891: key = KEYC_DOUBLECLICK2_STATUS_DEFAULT;
1.192 nicm 892: if (where == BORDER)
893: key = KEYC_DOUBLECLICK2_BORDER;
894: break;
895: case 2:
896: if (where == PANE)
897: key = KEYC_DOUBLECLICK3_PANE;
898: if (where == STATUS)
899: key = KEYC_DOUBLECLICK3_STATUS;
1.258 nicm 900: if (where == STATUS_LEFT)
901: key = KEYC_DOUBLECLICK3_STATUS_LEFT;
902: if (where == STATUS_RIGHT)
903: key = KEYC_DOUBLECLICK3_STATUS_RIGHT;
1.274 nicm 904: if (where == STATUS_DEFAULT)
905: key = KEYC_DOUBLECLICK3_STATUS_DEFAULT;
1.192 nicm 906: if (where == BORDER)
907: key = KEYC_DOUBLECLICK3_BORDER;
908: break;
909: }
910: break;
911: case TRIPLE:
912: switch (MOUSE_BUTTONS(b)) {
913: case 0:
914: if (where == PANE)
915: key = KEYC_TRIPLECLICK1_PANE;
916: if (where == STATUS)
917: key = KEYC_TRIPLECLICK1_STATUS;
1.258 nicm 918: if (where == STATUS_LEFT)
919: key = KEYC_TRIPLECLICK1_STATUS_LEFT;
920: if (where == STATUS_RIGHT)
921: key = KEYC_TRIPLECLICK1_STATUS_RIGHT;
1.274 nicm 922: if (where == STATUS_DEFAULT)
923: key = KEYC_TRIPLECLICK1_STATUS_DEFAULT;
1.192 nicm 924: if (where == BORDER)
925: key = KEYC_TRIPLECLICK1_BORDER;
926: break;
927: case 1:
928: if (where == PANE)
929: key = KEYC_TRIPLECLICK2_PANE;
930: if (where == STATUS)
931: key = KEYC_TRIPLECLICK2_STATUS;
1.258 nicm 932: if (where == STATUS_LEFT)
933: key = KEYC_TRIPLECLICK2_STATUS_LEFT;
934: if (where == STATUS_RIGHT)
935: key = KEYC_TRIPLECLICK2_STATUS_RIGHT;
1.274 nicm 936: if (where == STATUS_DEFAULT)
937: key = KEYC_TRIPLECLICK2_STATUS_DEFAULT;
1.192 nicm 938: if (where == BORDER)
939: key = KEYC_TRIPLECLICK2_BORDER;
940: break;
941: case 2:
942: if (where == PANE)
943: key = KEYC_TRIPLECLICK3_PANE;
944: if (where == STATUS)
945: key = KEYC_TRIPLECLICK3_STATUS;
1.258 nicm 946: if (where == STATUS_LEFT)
947: key = KEYC_TRIPLECLICK3_STATUS_LEFT;
948: if (where == STATUS_RIGHT)
949: key = KEYC_TRIPLECLICK3_STATUS_RIGHT;
1.274 nicm 950: if (where == STATUS_DEFAULT)
951: key = KEYC_TRIPLECLICK3_STATUS_DEFAULT;
1.192 nicm 952: if (where == BORDER)
953: key = KEYC_TRIPLECLICK3_BORDER;
954: break;
955: }
956: break;
1.66 nicm 957: }
1.177 nicm 958: if (key == KEYC_UNKNOWN)
959: return (KEYC_UNKNOWN);
1.66 nicm 960:
1.131 nicm 961: /* Apply modifiers if any. */
962: if (b & MOUSE_MASK_META)
963: key |= KEYC_ESCAPE;
964: if (b & MOUSE_MASK_CTRL)
965: key |= KEYC_CTRL;
966: if (b & MOUSE_MASK_SHIFT)
967: key |= KEYC_SHIFT;
1.66 nicm 968:
1.131 nicm 969: return (key);
1.66 nicm 970: }
971:
1.82 nicm 972: /* Is this fast enough to probably be a paste? */
1.190 nicm 973: static int
1.82 nicm 974: server_client_assume_paste(struct session *s)
975: {
976: struct timeval tv;
1.84 nicm 977: int t;
1.82 nicm 978:
1.163 nicm 979: if ((t = options_get_number(s->options, "assume-paste-time")) == 0)
1.83 nicm 980: return (0);
1.82 nicm 981:
982: timersub(&s->activity_time, &s->last_activity_time, &tv);
1.171 nicm 983: if (tv.tv_sec == 0 && tv.tv_usec < t * 1000) {
984: log_debug("session %s pasting (flag %d)", s->name,
985: !!(s->flags & SESSION_PASTING));
986: if (s->flags & SESSION_PASTING)
987: return (1);
988: s->flags |= SESSION_PASTING;
989: return (0);
990: }
991: log_debug("session %s not pasting", s->name);
992: s->flags &= ~SESSION_PASTING;
1.83 nicm 993: return (0);
1.82 nicm 994: }
995:
1.295 nicm 996: /* Has the latest client changed? */
997: static void
998: server_client_update_latest(struct client *c)
999: {
1000: struct window *w;
1001:
1002: if (c->session == NULL)
1003: return;
1004: w = c->session->curw->window;
1005:
1006: if (w->latest == c)
1007: return;
1008: w->latest = c;
1009:
1010: if (options_get_number(w->options, "window-size") == WINDOW_SIZE_LATEST)
1011: recalculate_size(w);
1012: }
1013:
1.276 nicm 1014: /*
1015: * Handle data key input from client. This owns and can modify the key event it
1016: * is given and is responsible for freeing it.
1017: */
1.280 nicm 1018: static enum cmd_retval
1.276 nicm 1019: server_client_key_callback(struct cmdq_item *item, void *data)
1.18 nicm 1020: {
1.276 nicm 1021: struct client *c = item->client;
1022: struct key_event *event = data;
1023: key_code key = event->key;
1024: struct mouse_event *m = &event->m;
1.267 nicm 1025: struct session *s = c->session;
1026: struct winlink *wl;
1027: struct window_pane *wp;
1028: struct window_mode_entry *wme;
1029: struct timeval tv;
1030: struct key_table *table, *first;
1031: struct key_binding *bd;
1032: int xtimeout, flags;
1033: struct cmd_find_state fs;
1034: key_code key0;
1.18 nicm 1035:
1036: /* Check the client is good to accept input. */
1.303 ! nicm 1037: if (s == NULL || (c->flags & CLIENT_UNATTACHEDFLAGS))
1.276 nicm 1038: goto out;
1.264 nicm 1039: wl = s->curw;
1.18 nicm 1040:
1041: /* Update the activity timer. */
1042: if (gettimeofday(&c->activity_time, NULL) != 0)
1043: fatal("gettimeofday failed");
1.149 nicm 1044: session_update_activity(s, &c->activity_time);
1.18 nicm 1045:
1046: /* Check for mouse keys. */
1.204 nicm 1047: m->valid = 0;
1.18 nicm 1048: if (key == KEYC_MOUSE) {
1.30 nicm 1049: if (c->flags & CLIENT_READONLY)
1.276 nicm 1050: goto out;
1051: key = server_client_check_mouse(c, event);
1.177 nicm 1052: if (key == KEYC_UNKNOWN)
1.276 nicm 1053: goto out;
1.131 nicm 1054:
1055: m->valid = 1;
1056: m->key = key;
1.203 nicm 1057:
1058: /*
1.204 nicm 1059: * Mouse drag is in progress, so fire the callback (now that
1060: * the mouse event is valid).
1.203 nicm 1061: */
1.204 nicm 1062: if (key == KEYC_DRAGGING) {
1063: c->tty.mouse_drag_update(c, m);
1.276 nicm 1064: goto out;
1.204 nicm 1065: }
1.276 nicm 1066: }
1.18 nicm 1067:
1.202 nicm 1068: /* Find affected pane. */
1.243 nicm 1069: if (!KEYC_IS_MOUSE(key) || cmd_find_from_mouse(&fs, m, 0) != 0)
1070: cmd_find_from_session(&fs, s, 0);
1.227 nicm 1071: wp = fs.wp;
1.202 nicm 1072:
1073: /* Forward mouse keys if disabled. */
1.206 nicm 1074: if (KEYC_IS_MOUSE(key) && !options_get_number(s->options, "mouse"))
1.253 nicm 1075: goto forward_key;
1.202 nicm 1076:
1.132 nicm 1077: /* Treat everything as a regular key when pasting is detected. */
1.161 nicm 1078: if (!KEYC_IS_MOUSE(key) && server_client_assume_paste(s))
1.253 nicm 1079: goto forward_key;
1.18 nicm 1080:
1.191 nicm 1081: /*
1082: * Work out the current key table. If the pane is in a mode, use
1083: * the mode table instead of the default key table.
1084: */
1.223 nicm 1085: if (server_client_is_default_key_table(c, c->keytable) &&
1086: wp != NULL &&
1.267 nicm 1087: (wme = TAILQ_FIRST(&wp->modes)) != NULL &&
1088: wme->mode->key_table != NULL)
1089: table = key_bindings_get_table(wme->mode->key_table(wme), 1);
1.223 nicm 1090: else
1.191 nicm 1091: table = c->keytable;
1.223 nicm 1092: first = table;
1.191 nicm 1093:
1.253 nicm 1094: table_changed:
1.205 nicm 1095: /*
1096: * The prefix always takes precedence and forces a switch to the prefix
1097: * table, unless we are already there.
1098: */
1.252 nicm 1099: key0 = (key & ~KEYC_XTERM);
1.239 nicm 1100: if ((key0 == (key_code)options_get_number(s->options, "prefix") ||
1101: key0 == (key_code)options_get_number(s->options, "prefix2")) &&
1.205 nicm 1102: strcmp(table->name, "prefix") != 0) {
1103: server_client_set_key_table(c, "prefix");
1104: server_status_client(c);
1.276 nicm 1105: goto out;
1.205 nicm 1106: }
1.238 nicm 1107: flags = c->flags;
1.205 nicm 1108:
1.262 nicm 1109: try_again:
1.223 nicm 1110: /* Log key table. */
1111: if (wp == NULL)
1112: log_debug("key table %s (no pane)", table->name);
1113: else
1114: log_debug("key table %s (pane %%%u)", table->name, wp->id);
1.225 nicm 1115: if (c->flags & CLIENT_REPEAT)
1116: log_debug("currently repeating");
1.223 nicm 1117:
1.132 nicm 1118: /* Try to see if there is a key binding in the current table. */
1.254 nicm 1119: bd = key_bindings_get(table, key0);
1.132 nicm 1120: if (bd != NULL) {
1121: /*
1122: * Key was matched in this table. If currently repeating but a
1123: * non-repeating binding was found, stop repeating and try
1124: * again in the root table.
1125: */
1.222 nicm 1126: if ((c->flags & CLIENT_REPEAT) &&
1127: (~bd->flags & KEY_BINDING_REPEAT)) {
1.262 nicm 1128: log_debug("found in key table %s (not repeating)",
1129: table->name);
1.178 nicm 1130: server_client_set_key_table(c, NULL);
1.262 nicm 1131: first = table = c->keytable;
1.132 nicm 1132: c->flags &= ~CLIENT_REPEAT;
1.85 nicm 1133: server_status_client(c);
1.253 nicm 1134: goto table_changed;
1.18 nicm 1135: }
1.223 nicm 1136: log_debug("found in key table %s", table->name);
1.82 nicm 1137:
1.132 nicm 1138: /*
1139: * Take a reference to this table to make sure the key binding
1140: * doesn't disappear.
1141: */
1142: table->references++;
1143:
1144: /*
1145: * If this is a repeating key, start the timer. Otherwise reset
1146: * the client back to the root table.
1147: */
1.163 nicm 1148: xtimeout = options_get_number(s->options, "repeat-time");
1.222 nicm 1149: if (xtimeout != 0 && (bd->flags & KEY_BINDING_REPEAT)) {
1.132 nicm 1150: c->flags |= CLIENT_REPEAT;
1151:
1152: tv.tv_sec = xtimeout / 1000;
1153: tv.tv_usec = (xtimeout % 1000) * 1000L;
1154: evtimer_del(&c->repeat_timer);
1155: evtimer_add(&c->repeat_timer, &tv);
1156: } else {
1.18 nicm 1157: c->flags &= ~CLIENT_REPEAT;
1.178 nicm 1158: server_client_set_key_table(c, NULL);
1.18 nicm 1159: }
1.132 nicm 1160: server_status_client(c);
1161:
1.227 nicm 1162: /* Execute the key binding. */
1.276 nicm 1163: key_bindings_dispatch(bd, item, c, m, &fs);
1.132 nicm 1164: key_bindings_unref_table(table);
1.276 nicm 1165: goto out;
1.18 nicm 1166: }
1167:
1.132 nicm 1168: /*
1.253 nicm 1169: * No match, try the ANY key.
1170: */
1171: if (key0 != KEYC_ANY) {
1172: key0 = KEYC_ANY;
1173: goto try_again;
1174: }
1175:
1176: /*
1.223 nicm 1177: * No match in this table. If not in the root table or if repeating,
1178: * switch the client back to the root table and try again.
1.132 nicm 1179: */
1.223 nicm 1180: log_debug("not found in key table %s", table->name);
1181: if (!server_client_is_default_key_table(c, table) ||
1182: (c->flags & CLIENT_REPEAT)) {
1.262 nicm 1183: log_debug("trying in root table");
1.178 nicm 1184: server_client_set_key_table(c, NULL);
1.262 nicm 1185: table = c->keytable;
1186: if (c->flags & CLIENT_REPEAT)
1187: first = table;
1.18 nicm 1188: c->flags &= ~CLIENT_REPEAT;
1.132 nicm 1189: server_status_client(c);
1.253 nicm 1190: goto table_changed;
1.18 nicm 1191: }
1192:
1.223 nicm 1193: /*
1194: * No match in the root table either. If this wasn't the first table
1195: * tried, don't pass the key to the pane.
1196: */
1.238 nicm 1197: if (first != table && (~flags & CLIENT_REPEAT)) {
1.178 nicm 1198: server_client_set_key_table(c, NULL);
1.132 nicm 1199: server_status_client(c);
1.276 nicm 1200: goto out;
1.161 nicm 1201: }
1202:
1.253 nicm 1203: forward_key:
1.161 nicm 1204: if (c->flags & CLIENT_READONLY)
1.276 nicm 1205: goto out;
1.161 nicm 1206: if (wp != NULL)
1.264 nicm 1207: window_pane_key(wp, c, s, wl, key, m);
1.276 nicm 1208:
1209: out:
1.295 nicm 1210: if (s != NULL)
1211: server_client_update_latest(c);
1.276 nicm 1212: free(event);
1213: return (CMD_RETURN_NORMAL);
1.280 nicm 1214: }
1215:
1216: /* Handle a key event. */
1217: int
1218: server_client_handle_key(struct client *c, struct key_event *event)
1219: {
1220: struct session *s = c->session;
1221: struct cmdq_item *item;
1222:
1223: /* Check the client is good to accept input. */
1.303 ! nicm 1224: if (s == NULL || (c->flags & CLIENT_UNATTACHEDFLAGS))
1.280 nicm 1225: return (0);
1226:
1227: /*
1.291 nicm 1228: * Key presses in overlay mode and the command prompt are a special
1229: * case. The queue might be blocked so they need to be processed
1230: * immediately rather than queued.
1.280 nicm 1231: */
1.291 nicm 1232: if (~c->flags & CLIENT_READONLY) {
1233: status_message_clear(c);
1234: if (c->prompt_string != NULL) {
1235: if (status_prompt_key(c, event->key) == 0)
1236: return (0);
1237: }
1238: if (c->overlay_key != NULL) {
1239: switch (c->overlay_key(c, event)) {
1240: case 0:
1241: return (0);
1242: case 1:
1243: server_client_clear_overlay(c);
1244: return (0);
1245: }
1.290 nicm 1246: }
1.293 nicm 1247: server_client_clear_overlay(c);
1.280 nicm 1248: }
1249:
1250: /*
1251: * Add the key to the queue so it happens after any commands queued by
1252: * previous keys.
1253: */
1254: item = cmdq_get_callback(server_client_key_callback, event);
1255: cmdq_append(c, item);
1256: return (1);
1.18 nicm 1257: }
1258:
1.2 nicm 1259: /* Client functions that need to happen every loop. */
1260: void
1261: server_client_loop(void)
1262: {
1263: struct client *c;
1264: struct window *w;
1265: struct window_pane *wp;
1.287 nicm 1266: struct winlink *wl;
1267: struct session *s;
1.296 nicm 1268: int focus, attached, resize;
1.2 nicm 1269:
1.135 nicm 1270: TAILQ_FOREACH(c, &clients, entry) {
1.36 nicm 1271: server_client_check_exit(c);
1272: if (c->session != NULL) {
1273: server_client_check_redraw(c);
1274: server_client_reset_state(c);
1275: }
1.2 nicm 1276: }
1277:
1278: /*
1279: * Any windows will have been redrawn as part of clients, so clear
1.92 nicm 1280: * their flags now. Also check pane focus and resize.
1.296 nicm 1281: *
1282: * As an optimization, panes in windows that are in an attached session
1283: * but not the current window are not resized (this reduces the amount
1284: * of work needed when, for example, resizing an X terminal a
1285: * lot). Windows in no attached session are resized immediately since
1286: * that is likely to have come from a command like split-window and be
1287: * what the user wanted.
1.2 nicm 1288: */
1.197 nicm 1289: focus = options_get_number(global_options, "focus-events");
1.134 nicm 1290: RB_FOREACH(w, windows, &windows) {
1.296 nicm 1291: attached = resize = 0;
1.287 nicm 1292: TAILQ_FOREACH(wl, &w->winlinks, wentry) {
1293: s = wl->session;
1.296 nicm 1294: if (s->attached != 0)
1295: attached = 1;
1296: if (s->attached != 0 && s->curw == wl) {
1297: resize = 1;
1.287 nicm 1298: break;
1.296 nicm 1299: }
1.287 nicm 1300: }
1.296 nicm 1301: if (!attached)
1302: resize = 1;
1.91 nicm 1303: TAILQ_FOREACH(wp, &w->panes, entry) {
1.289 nicm 1304: if (wp->fd != -1) {
1.197 nicm 1305: if (focus)
1306: server_client_check_focus(wp);
1.296 nicm 1307: if (resize)
1.289 nicm 1308: server_client_check_resize(wp);
1.101 nicm 1309: }
1.2 nicm 1310: wp->flags &= ~PANE_REDRAW;
1.91 nicm 1311: }
1.150 nicm 1312: check_window_name(w);
1.2 nicm 1313: }
1.92 nicm 1314: }
1315:
1.237 nicm 1316: /* Check if we need to force a resize. */
1317: static int
1318: server_client_resize_force(struct window_pane *wp)
1319: {
1320: struct timeval tv = { .tv_usec = 100000 };
1321:
1322: /*
1323: * If we are resizing to the same size as when we entered the loop
1324: * (that is, to the same size the application currently thinks it is),
1325: * tmux may have gone through several resizes internally and thrown
1326: * away parts of the screen. So we need the application to actually
1327: * redraw even though its final size has not changed.
1328: */
1329:
1330: if (wp->flags & PANE_RESIZEFORCE) {
1331: wp->flags &= ~PANE_RESIZEFORCE;
1332: return (0);
1333: }
1334:
1335: if (wp->sx != wp->osx ||
1336: wp->sy != wp->osy ||
1337: wp->sx <= 1 ||
1338: wp->sy <= 1)
1339: return (0);
1340:
1341: log_debug("%s: %%%u forcing resize", __func__, wp->id);
1.297 nicm 1342: window_pane_send_resize(wp, -1);
1.237 nicm 1343:
1344: evtimer_add(&wp->resize_timer, &tv);
1345: wp->flags |= PANE_RESIZEFORCE;
1346: return (1);
1347: }
1348:
1.294 nicm 1349: /* Resize a pane. */
1.188 nicm 1350: static void
1.294 nicm 1351: server_client_resize_pane(struct window_pane *wp)
1.92 nicm 1352: {
1.235 nicm 1353: log_debug("%s: %%%u resize to %u,%u", __func__, wp->id, wp->sx, wp->sy);
1.297 nicm 1354: window_pane_send_resize(wp, 0);
1.92 nicm 1355:
1356: wp->flags &= ~PANE_RESIZE;
1.235 nicm 1357:
1358: wp->osx = wp->sx;
1359: wp->osy = wp->sy;
1.188 nicm 1360: }
1361:
1.294 nicm 1362: /* Start the resize timer. */
1363: static void
1364: server_client_start_resize_timer(struct window_pane *wp)
1365: {
1366: struct timeval tv = { .tv_usec = 250000 };
1367:
1368: if (!evtimer_pending(&wp->resize_timer, NULL))
1369: evtimer_add(&wp->resize_timer, &tv);
1370: }
1371:
1372: /* Resize timer event. */
1373: static void
1374: server_client_resize_event(__unused int fd, __unused short events, void *data)
1375: {
1376: struct window_pane *wp = data;
1377:
1378: evtimer_del(&wp->resize_timer);
1379:
1380: if (~wp->flags & PANE_RESIZE)
1381: return;
1382: log_debug("%s: %%%u timer fired (was%s resized)", __func__, wp->id,
1383: (wp->flags & PANE_RESIZED) ? "" : " not");
1384:
1385: if (wp->saved_grid == NULL && (wp->flags & PANE_RESIZED)) {
1386: log_debug("%s: %%%u deferring timer", __func__, wp->id);
1387: server_client_start_resize_timer(wp);
1388: } else if (!server_client_resize_force(wp)) {
1389: log_debug("%s: %%%u resizing pane", __func__, wp->id);
1390: server_client_resize_pane(wp);
1391: }
1392: wp->flags &= ~PANE_RESIZED;
1393: }
1394:
1.188 nicm 1395: /* Check if pane should be resized. */
1.190 nicm 1396: static void
1.188 nicm 1397: server_client_check_resize(struct window_pane *wp)
1398: {
1.294 nicm 1399: if (~wp->flags & PANE_RESIZE)
1.188 nicm 1400: return;
1401:
1402: if (!event_initialized(&wp->resize_timer))
1403: evtimer_set(&wp->resize_timer, server_client_resize_event, wp);
1404:
1.294 nicm 1405: if (!evtimer_pending(&wp->resize_timer, NULL)) {
1406: log_debug("%s: %%%u starting timer", __func__, wp->id);
1407: server_client_resize_pane(wp);
1408: server_client_start_resize_timer(wp);
1409: } else
1410: log_debug("%s: %%%u timer running", __func__, wp->id);
1.91 nicm 1411: }
1412:
1413: /* Check whether pane should be focused. */
1.190 nicm 1414: static void
1.91 nicm 1415: server_client_check_focus(struct window_pane *wp)
1416: {
1.93 nicm 1417: struct client *c;
1.102 nicm 1418: int push;
1419:
1420: /* Do we need to push the focus state? */
1421: push = wp->flags & PANE_FOCUSPUSH;
1422: wp->flags &= ~PANE_FOCUSPUSH;
1.91 nicm 1423:
1424: /* If we're not the active pane in our window, we're not focused. */
1425: if (wp->window->active != wp)
1426: goto not_focused;
1427:
1428: /* If we're in a mode, we're not focused. */
1429: if (wp->screen != &wp->base)
1430: goto not_focused;
1431:
1432: /*
1.93 nicm 1433: * If our window is the current window in any focused clients with an
1434: * attached session, we're focused.
1.91 nicm 1435: */
1.135 nicm 1436: TAILQ_FOREACH(c, &clients, entry) {
1437: if (c->session == NULL || !(c->flags & CLIENT_FOCUSED))
1.91 nicm 1438: continue;
1.255 nicm 1439: if (c->session->attached == 0)
1.93 nicm 1440: continue;
1441:
1442: if (c->session->curw->window == wp->window)
1.91 nicm 1443: goto focused;
1444: }
1445:
1446: not_focused:
1.251 nicm 1447: if (push || (wp->flags & PANE_FOCUSED)) {
1448: if (wp->base.mode & MODE_FOCUSON)
1449: bufferevent_write(wp->event, "\033[O", 3);
1450: notify_pane("pane-focus-out", wp);
1451: }
1.91 nicm 1452: wp->flags &= ~PANE_FOCUSED;
1453: return;
1454:
1455: focused:
1.251 nicm 1456: if (push || !(wp->flags & PANE_FOCUSED)) {
1457: if (wp->base.mode & MODE_FOCUSON)
1458: bufferevent_write(wp->event, "\033[I", 3);
1459: notify_pane("pane-focus-in", wp);
1.275 nicm 1460: session_update_activity(c->session, NULL);
1.251 nicm 1461: }
1.91 nicm 1462: wp->flags |= PANE_FOCUSED;
1.2 nicm 1463: }
1464:
1.18 nicm 1465: /*
1466: * Update cursor position and mode settings. The scroll region and attributes
1467: * are cleared when idle (waiting for an event) as this is the most likely time
1468: * a user may interrupt tmux, for example with ~^Z in ssh(1). This is a
1469: * compromise between excessive resets and likelihood of an interrupt.
1470: *
1471: * tty_region/tty_reset/tty_update_mode already take care of not resetting
1472: * things that are already in their default state.
1473: */
1.190 nicm 1474: static void
1.18 nicm 1475: server_client_reset_state(struct client *c)
1.1 nicm 1476: {
1.18 nicm 1477: struct window *w = c->session->curw->window;
1.209 nicm 1478: struct window_pane *wp = w->active, *loop;
1.18 nicm 1479: struct screen *s = wp->screen;
1.163 nicm 1480: struct options *oo = c->session->options;
1.261 nicm 1481: int mode, cursor = 0;
1482: u_int cx = 0, cy = 0, ox, oy, sx, sy;
1.60 nicm 1483:
1.186 nicm 1484: if (c->flags & (CLIENT_CONTROL|CLIENT_SUSPENDED))
1.86 nicm 1485: return;
1.282 nicm 1486: if (c->overlay_draw != NULL)
1487: return;
1.261 nicm 1488: mode = s->mode;
1.86 nicm 1489:
1.199 nicm 1490: tty_region_off(&c->tty);
1491: tty_margin_off(&c->tty);
1.1 nicm 1492:
1.261 nicm 1493: /* Move cursor to pane cursor and offset. */
1494: cursor = 0;
1495: tty_window_offset(&c->tty, &ox, &oy, &sx, &sy);
1496: if (wp->xoff + s->cx >= ox && wp->xoff + s->cx <= ox + sx &&
1497: wp->yoff + s->cy >= oy && wp->yoff + s->cy <= oy + sy) {
1498: cursor = 1;
1499:
1500: cx = wp->xoff + s->cx - ox;
1501: cy = wp->yoff + s->cy - oy;
1502:
1503: if (status_at_line(c) == 0)
1504: cy += status_line_size(c);
1505: }
1506: if (!cursor)
1507: mode &= ~MODE_CURSOR;
1508: tty_cursor(&c->tty, cx, cy);
1.1 nicm 1509:
1.50 nicm 1510: /*
1.131 nicm 1511: * Set mouse mode if requested. To support dragging, always use button
1512: * mode.
1.57 nicm 1513: */
1.209 nicm 1514: if (options_get_number(oo, "mouse")) {
1515: mode &= ~ALL_MOUSE_MODES;
1516: TAILQ_FOREACH(loop, &w->panes, entry) {
1517: if (loop->screen->mode & MODE_MOUSE_ALL)
1518: mode |= MODE_MOUSE_ALL;
1519: }
1520: if (~mode & MODE_MOUSE_ALL)
1521: mode |= MODE_MOUSE_BUTTON;
1522: }
1.215 nicm 1523:
1524: /* Clear bracketed paste mode if at the prompt. */
1525: if (c->prompt_string != NULL)
1526: mode &= ~MODE_BRACKETPASTE;
1.48 nicm 1527:
1528: /* Set the terminal mode and reset attributes. */
1.59 nicm 1529: tty_update_mode(&c->tty, mode, s);
1.1 nicm 1530: tty_reset(&c->tty);
1.17 nicm 1531: }
1532:
1533: /* Repeat time callback. */
1.190 nicm 1534: static void
1.170 nicm 1535: server_client_repeat_timer(__unused int fd, __unused short events, void *data)
1.17 nicm 1536: {
1537: struct client *c = data;
1538:
1.85 nicm 1539: if (c->flags & CLIENT_REPEAT) {
1.178 nicm 1540: server_client_set_key_table(c, NULL);
1.132 nicm 1541: c->flags &= ~CLIENT_REPEAT;
1542: server_status_client(c);
1.85 nicm 1543: }
1.192 nicm 1544: }
1545:
1546: /* Double-click callback. */
1547: static void
1548: server_client_click_timer(__unused int fd, __unused short events, void *data)
1549: {
1550: struct client *c = data;
1551:
1552: c->flags &= ~(CLIENT_DOUBLECLICK|CLIENT_TRIPLECLICK);
1.1 nicm 1553: }
1554:
1.36 nicm 1555: /* Check if client should be exited. */
1.190 nicm 1556: static void
1.36 nicm 1557: server_client_check_exit(struct client *c)
1558: {
1.300 nicm 1559: struct client_file *cf;
1560:
1.286 nicm 1561: if (~c->flags & CLIENT_EXIT)
1562: return;
1563: if (c->flags & CLIENT_EXITED)
1.36 nicm 1564: return;
1565:
1.300 nicm 1566: RB_FOREACH(cf, client_files, &c->files) {
1567: if (EVBUFFER_LENGTH(cf->buffer) != 0)
1568: return;
1569: }
1.36 nicm 1570:
1.249 nicm 1571: if (c->flags & CLIENT_ATTACHED)
1572: notify_client("client-detached", c);
1.162 nicm 1573: proc_send(c->peer, MSG_EXIT, -1, &c->retval, sizeof c->retval);
1.286 nicm 1574: c->flags |= CLIENT_EXITED;
1.38 nicm 1575: }
1576:
1.218 nicm 1577: /* Redraw timer callback. */
1578: static void
1579: server_client_redraw_timer(__unused int fd, __unused short events,
1.299 nicm 1580: __unused void *data)
1.218 nicm 1581: {
1582: log_debug("redraw timer fired");
1583: }
1584:
1.1 nicm 1585: /* Check for client redraws. */
1.190 nicm 1586: static void
1.1 nicm 1587: server_client_check_redraw(struct client *c)
1588: {
1589: struct session *s = c->session;
1.137 nicm 1590: struct tty *tty = &c->tty;
1.1 nicm 1591: struct window_pane *wp;
1.256 nicm 1592: int needed, flags;
1.218 nicm 1593: struct timeval tv = { .tv_usec = 1000 };
1594: static struct event ev;
1595: size_t left;
1.1 nicm 1596:
1.86 nicm 1597: if (c->flags & (CLIENT_CONTROL|CLIENT_SUSPENDED))
1.79 nicm 1598: return;
1.257 nicm 1599: if (c->flags & CLIENT_ALLREDRAWFLAGS) {
1.282 nicm 1600: log_debug("%s: redraw%s%s%s%s", c->name,
1.257 nicm 1601: (c->flags & CLIENT_REDRAWWINDOW) ? " window" : "",
1602: (c->flags & CLIENT_REDRAWSTATUS) ? " status" : "",
1.282 nicm 1603: (c->flags & CLIENT_REDRAWBORDERS) ? " borders" : "",
1604: (c->flags & CLIENT_REDRAWOVERLAY) ? " overlay" : "");
1.257 nicm 1605: }
1.218 nicm 1606:
1607: /*
1608: * If there is outstanding data, defer the redraw until it has been
1609: * consumed. We can just add a timer to get out of the event loop and
1610: * end up back here.
1611: */
1612: needed = 0;
1.256 nicm 1613: if (c->flags & CLIENT_ALLREDRAWFLAGS)
1.218 nicm 1614: needed = 1;
1615: else {
1616: TAILQ_FOREACH(wp, &c->session->curw->window->panes, entry) {
1617: if (wp->flags & PANE_REDRAW) {
1618: needed = 1;
1619: break;
1620: }
1621: }
1622: }
1.241 nicm 1623: if (needed && (left = EVBUFFER_LENGTH(tty->out)) != 0) {
1624: log_debug("%s: redraw deferred (%zu left)", c->name, left);
1625: if (!evtimer_initialized(&ev))
1626: evtimer_set(&ev, server_client_redraw_timer, NULL);
1627: if (!evtimer_pending(&ev, NULL)) {
1.218 nicm 1628: log_debug("redraw timer started");
1629: evtimer_add(&ev, &tv);
1.241 nicm 1630: }
1.218 nicm 1631:
1.241 nicm 1632: /*
1633: * We may have got here for a single pane redraw, but force a
1634: * full redraw next time in case other panes have been updated.
1635: */
1.256 nicm 1636: c->flags |= CLIENT_ALLREDRAWFLAGS;
1.241 nicm 1637: return;
1638: } else if (needed)
1.218 nicm 1639: log_debug("%s: redraw needed", c->name);
1.79 nicm 1640:
1.219 nicm 1641: flags = tty->flags & (TTY_BLOCK|TTY_FREEZE|TTY_NOCURSOR);
1642: tty->flags = (tty->flags & ~(TTY_BLOCK|TTY_FREEZE)) | TTY_NOCURSOR;
1.137 nicm 1643:
1.256 nicm 1644: if (~c->flags & CLIENT_REDRAWWINDOW) {
1645: /*
1646: * If not redrawing the entire window, check whether each pane
1647: * needs to be redrawn.
1648: */
1.1 nicm 1649: TAILQ_FOREACH(wp, &c->session->curw->window->panes, entry) {
1.137 nicm 1650: if (wp->flags & PANE_REDRAW) {
1651: tty_update_mode(tty, tty->mode, NULL);
1.1 nicm 1652: screen_redraw_pane(c, wp);
1.137 nicm 1653: }
1.1 nicm 1654: }
1655: }
1656:
1.256 nicm 1657: if (c->flags & CLIENT_ALLREDRAWFLAGS) {
1658: if (options_get_number(s->options, "set-titles"))
1659: server_client_set_title(c);
1660: screen_redraw_screen(c);
1661: }
1.1 nicm 1662:
1.137 nicm 1663: tty->flags = (tty->flags & ~(TTY_FREEZE|TTY_NOCURSOR)) | flags;
1664: tty_update_mode(tty, tty->mode, NULL);
1.1 nicm 1665:
1.256 nicm 1666: c->flags &= ~(CLIENT_ALLREDRAWFLAGS|CLIENT_STATUSFORCE);
1.230 nicm 1667:
1668: if (needed) {
1669: /*
1670: * We would have deferred the redraw unless the output buffer
1671: * was empty, so we can record how many bytes the redraw
1672: * generated.
1673: */
1674: c->redraw = EVBUFFER_LENGTH(tty->out);
1675: log_debug("%s: redraw added %zu bytes", c->name, c->redraw);
1676: }
1.1 nicm 1677: }
1678:
1679: /* Set client title. */
1.190 nicm 1680: static void
1.1 nicm 1681: server_client_set_title(struct client *c)
1682: {
1.128 nicm 1683: struct session *s = c->session;
1684: const char *template;
1685: char *title;
1686: struct format_tree *ft;
1.1 nicm 1687:
1.163 nicm 1688: template = options_get_string(s->options, "set-titles-string");
1.25 nicm 1689:
1.228 nicm 1690: ft = format_create(c, NULL, FORMAT_NONE, 0);
1.128 nicm 1691: format_defaults(ft, c, NULL, NULL, NULL);
1692:
1.269 nicm 1693: title = format_expand_time(ft, template);
1.1 nicm 1694: if (c->title == NULL || strcmp(title, c->title) != 0) {
1.77 nicm 1695: free(c->title);
1.1 nicm 1696: c->title = xstrdup(title);
1697: tty_set_title(&c->tty, c->title);
1698: }
1.77 nicm 1699: free(title);
1.128 nicm 1700:
1701: format_free(ft);
1.1 nicm 1702: }
1703:
1704: /* Dispatch message from client. */
1.190 nicm 1705: static void
1.162 nicm 1706: server_client_dispatch(struct imsg *imsg, void *arg)
1.1 nicm 1707: {
1.300 nicm 1708: struct client *c = arg;
1709: const char *data;
1710: ssize_t datalen;
1711: struct session *s;
1.1 nicm 1712:
1.162 nicm 1713: if (c->flags & CLIENT_DEAD)
1714: return;
1715:
1716: if (imsg == NULL) {
1717: server_client_lost(c);
1718: return;
1719: }
1.1 nicm 1720:
1.162 nicm 1721: data = imsg->data;
1722: datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
1.1 nicm 1723:
1.162 nicm 1724: switch (imsg->hdr.type) {
1725: case MSG_IDENTIFY_FLAGS:
1726: case MSG_IDENTIFY_TERM:
1727: case MSG_IDENTIFY_TTYNAME:
1728: case MSG_IDENTIFY_CWD:
1729: case MSG_IDENTIFY_STDIN:
1730: case MSG_IDENTIFY_ENVIRON:
1731: case MSG_IDENTIFY_CLIENTPID:
1732: case MSG_IDENTIFY_DONE:
1733: server_client_dispatch_identify(c, imsg);
1734: break;
1735: case MSG_COMMAND:
1736: server_client_dispatch_command(c, imsg);
1737: break;
1738: case MSG_RESIZE:
1739: if (datalen != 0)
1740: fatalx("bad MSG_RESIZE size");
1.1 nicm 1741:
1.162 nicm 1742: if (c->flags & CLIENT_CONTROL)
1.1 nicm 1743: break;
1.295 nicm 1744: server_client_update_latest(c);
1.282 nicm 1745: server_client_clear_overlay(c);
1.236 nicm 1746: tty_resize(&c->tty);
1747: recalculate_sizes();
1748: server_redraw_client(c);
1.174 nicm 1749: if (c->session != NULL)
1.196 nicm 1750: notify_client("client-resized", c);
1.162 nicm 1751: break;
1752: case MSG_EXITING:
1753: if (datalen != 0)
1754: fatalx("bad MSG_EXITING size");
1.1 nicm 1755:
1.162 nicm 1756: c->session = NULL;
1757: tty_close(&c->tty);
1758: proc_send(c->peer, MSG_EXITED, -1, NULL, 0);
1759: break;
1760: case MSG_WAKEUP:
1761: case MSG_UNLOCK:
1762: if (datalen != 0)
1763: fatalx("bad MSG_WAKEUP size");
1.121 nicm 1764:
1.162 nicm 1765: if (!(c->flags & CLIENT_SUSPENDED))
1766: break;
1767: c->flags &= ~CLIENT_SUSPENDED;
1.10 nicm 1768:
1.162 nicm 1769: if (c->tty.fd == -1) /* exited in the meantime */
1.1 nicm 1770: break;
1.162 nicm 1771: s = c->session;
1.1 nicm 1772:
1.162 nicm 1773: if (gettimeofday(&c->activity_time, NULL) != 0)
1774: fatal("gettimeofday failed");
1775:
1776: tty_start_tty(&c->tty);
1777: server_redraw_client(c);
1778: recalculate_sizes();
1.184 nicm 1779:
1780: if (s != NULL)
1781: session_update_activity(s, &c->activity_time);
1.162 nicm 1782: break;
1783: case MSG_SHELL:
1784: if (datalen != 0)
1785: fatalx("bad MSG_SHELL size");
1.1 nicm 1786:
1.162 nicm 1787: server_client_dispatch_shell(c);
1788: break;
1.300 nicm 1789: case MSG_WRITE_READY:
1790: server_client_dispatch_write_ready(c, imsg);
1791: break;
1792: case MSG_READ:
1793: server_client_dispatch_read_data(c, imsg);
1794: break;
1795: case MSG_READ_DONE:
1796: server_client_dispatch_read_done(c, imsg);
1797: break;
1.1 nicm 1798: }
1799: }
1800:
1.194 nicm 1801: /* Callback when command is done. */
1802: static enum cmd_retval
1.195 nicm 1803: server_client_command_done(struct cmdq_item *item, __unused void *data)
1.194 nicm 1804: {
1.195 nicm 1805: struct client *c = item->client;
1.194 nicm 1806:
1807: if (~c->flags & CLIENT_ATTACHED)
1808: c->flags |= CLIENT_EXIT;
1809: return (CMD_RETURN_NORMAL);
1810: }
1811:
1.1 nicm 1812: /* Handle command message. */
1.190 nicm 1813: static void
1.162 nicm 1814: server_client_dispatch_command(struct client *c, struct imsg *imsg)
1.1 nicm 1815: {
1.300 nicm 1816: struct msg_command data;
1.108 nicm 1817: char *buf;
1818: size_t len;
1819: int argc;
1820: char **argv, *cause;
1.285 nicm 1821: struct cmd_parse_result *pr;
1.246 nicm 1822:
1823: if (c->flags & CLIENT_EXIT)
1824: return;
1.108 nicm 1825:
1826: if (imsg->hdr.len - IMSG_HEADER_SIZE < sizeof data)
1827: fatalx("bad MSG_COMMAND size");
1828: memcpy(&data, imsg->data, sizeof data);
1829:
1.124 nicm 1830: buf = (char *)imsg->data + sizeof data;
1.108 nicm 1831: len = imsg->hdr.len - IMSG_HEADER_SIZE - sizeof data;
1832: if (len > 0 && buf[len - 1] != '\0')
1833: fatalx("bad MSG_COMMAND string");
1834:
1835: argc = data.argc;
1836: if (cmd_unpack_argv(buf, len, argc, &argv) != 0) {
1.194 nicm 1837: cause = xstrdup("command too long");
1.1 nicm 1838: goto error;
1839: }
1840:
1841: if (argc == 0) {
1842: argc = 1;
1843: argv = xcalloc(1, sizeof *argv);
1844: *argv = xstrdup("new-session");
1845: }
1846:
1.285 nicm 1847: pr = cmd_parse_from_arguments(argc, argv, NULL);
1848: switch (pr->status) {
1849: case CMD_PARSE_EMPTY:
1850: cause = xstrdup("empty command");
1.1 nicm 1851: goto error;
1.285 nicm 1852: case CMD_PARSE_ERROR:
1853: cause = pr->error;
1854: goto error;
1855: case CMD_PARSE_SUCCESS:
1856: break;
1.1 nicm 1857: }
1858: cmd_free_argv(argc, argv);
1859:
1.285 nicm 1860: cmdq_append(c, cmdq_get_command(pr->cmdlist, NULL, NULL, 0));
1.194 nicm 1861: cmdq_append(c, cmdq_get_callback(server_client_command_done, NULL));
1.285 nicm 1862:
1863: cmd_list_free(pr->cmdlist);
1.1 nicm 1864: return;
1865:
1866: error:
1.285 nicm 1867: cmd_free_argv(argc, argv);
1868:
1.284 nicm 1869: cmdq_append(c, cmdq_get_error(cause));
1870: free(cause);
1.88 nicm 1871:
1.36 nicm 1872: c->flags |= CLIENT_EXIT;
1.1 nicm 1873: }
1874:
1875: /* Handle identify message. */
1.190 nicm 1876: static void
1.162 nicm 1877: server_client_dispatch_identify(struct client *c, struct imsg *imsg)
1.1 nicm 1878: {
1.165 nicm 1879: const char *data, *home;
1.232 nicm 1880: size_t datalen;
1.109 nicm 1881: int flags;
1.216 nicm 1882: char *name;
1.109 nicm 1883:
1884: if (c->flags & CLIENT_IDENTIFIED)
1885: fatalx("out-of-order identify message");
1886:
1887: data = imsg->data;
1888: datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
1889:
1890: switch (imsg->hdr.type) {
1891: case MSG_IDENTIFY_FLAGS:
1892: if (datalen != sizeof flags)
1893: fatalx("bad MSG_IDENTIFY_FLAGS size");
1894: memcpy(&flags, data, sizeof flags);
1895: c->flags |= flags;
1.158 nicm 1896: log_debug("client %p IDENTIFY_FLAGS %#x", c, flags);
1.109 nicm 1897: break;
1898: case MSG_IDENTIFY_TERM:
1.110 nicm 1899: if (datalen == 0 || data[datalen - 1] != '\0')
1.109 nicm 1900: fatalx("bad MSG_IDENTIFY_TERM string");
1901: c->term = xstrdup(data);
1.158 nicm 1902: log_debug("client %p IDENTIFY_TERM %s", c, data);
1.109 nicm 1903: break;
1904: case MSG_IDENTIFY_TTYNAME:
1.110 nicm 1905: if (datalen == 0 || data[datalen - 1] != '\0')
1.109 nicm 1906: fatalx("bad MSG_IDENTIFY_TTYNAME string");
1907: c->ttyname = xstrdup(data);
1.158 nicm 1908: log_debug("client %p IDENTIFY_TTYNAME %s", c, data);
1.109 nicm 1909: break;
1910: case MSG_IDENTIFY_CWD:
1.155 nicm 1911: if (datalen == 0 || data[datalen - 1] != '\0')
1912: fatalx("bad MSG_IDENTIFY_CWD string");
1.165 nicm 1913: if (access(data, X_OK) == 0)
1914: c->cwd = xstrdup(data);
1915: else if ((home = find_home()) != NULL)
1916: c->cwd = xstrdup(home);
1917: else
1918: c->cwd = xstrdup("/");
1.158 nicm 1919: log_debug("client %p IDENTIFY_CWD %s", c, data);
1.109 nicm 1920: break;
1921: case MSG_IDENTIFY_STDIN:
1922: if (datalen != 0)
1923: fatalx("bad MSG_IDENTIFY_STDIN size");
1924: c->fd = imsg->fd;
1.158 nicm 1925: log_debug("client %p IDENTIFY_STDIN %d", c, imsg->fd);
1.109 nicm 1926: break;
1927: case MSG_IDENTIFY_ENVIRON:
1.110 nicm 1928: if (datalen == 0 || data[datalen - 1] != '\0')
1.109 nicm 1929: fatalx("bad MSG_IDENTIFY_ENVIRON string");
1930: if (strchr(data, '=') != NULL)
1.164 nicm 1931: environ_put(c->environ, data);
1.158 nicm 1932: log_debug("client %p IDENTIFY_ENVIRON %s", c, data);
1.143 nicm 1933: break;
1934: case MSG_IDENTIFY_CLIENTPID:
1935: if (datalen != sizeof c->pid)
1936: fatalx("bad MSG_IDENTIFY_CLIENTPID size");
1937: memcpy(&c->pid, data, sizeof c->pid);
1.158 nicm 1938: log_debug("client %p IDENTIFY_CLIENTPID %ld", c, (long)c->pid);
1.109 nicm 1939: break;
1940: default:
1941: break;
1942: }
1943:
1944: if (imsg->hdr.type != MSG_IDENTIFY_DONE)
1945: return;
1946: c->flags |= CLIENT_IDENTIFIED;
1.75 nicm 1947:
1.216 nicm 1948: if (*c->ttyname != '\0')
1949: name = xstrdup(c->ttyname);
1950: else
1951: xasprintf(&name, "client-%ld", (long)c->pid);
1952: c->name = name;
1953: log_debug("client %p name is %s", c, c->name);
1954:
1.109 nicm 1955: if (c->flags & CLIENT_CONTROL) {
1.300 nicm 1956: close(c->fd);
1957: c->fd = -1;
1.75 nicm 1958:
1.300 nicm 1959: control_start(c);
1.75 nicm 1960: c->tty.fd = -1;
1.288 nicm 1961: } else if (c->fd != -1) {
1962: if (tty_init(&c->tty, c, c->fd, c->term) != 0) {
1963: close(c->fd);
1964: c->fd = -1;
1965: } else {
1966: if (c->flags & CLIENT_UTF8)
1967: c->tty.flags |= TTY_UTF8;
1968: if (c->flags & CLIENT_256COLOURS)
1969: c->tty.term_flags |= TERM_256COLOURS;
1970: tty_resize(&c->tty);
1971: c->flags |= CLIENT_TERMINAL;
1972: }
1.75 nicm 1973: }
1.1 nicm 1974:
1.288 nicm 1975: /*
1976: * If this is the first client that has finished identifying, load
1977: * configuration files.
1978: */
1979: if ((~c->flags & CLIENT_EXIT) &&
1980: !cfg_finished &&
1981: c == TAILQ_FIRST(&clients) &&
1982: TAILQ_NEXT(c, entry) == NULL)
1983: start_cfg();
1.1 nicm 1984: }
1985:
1986: /* Handle shell message. */
1.190 nicm 1987: static void
1.162 nicm 1988: server_client_dispatch_shell(struct client *c)
1.1 nicm 1989: {
1.107 nicm 1990: const char *shell;
1.25 nicm 1991:
1.163 nicm 1992: shell = options_get_string(global_s_options, "default-shell");
1.1 nicm 1993: if (*shell == '\0' || areshell(shell))
1994: shell = _PATH_BSHELL;
1.240 nicm 1995: proc_send(c->peer, MSG_SHELL, -1, shell, strlen(shell) + 1);
1.25 nicm 1996:
1.162 nicm 1997: proc_kill_peer(c->peer);
1.169 nicm 1998: }
1999:
1.300 nicm 2000: /* Handle write ready message. */
1.169 nicm 2001: static void
1.300 nicm 2002: server_client_dispatch_write_ready(struct client *c, struct imsg *imsg)
1.169 nicm 2003: {
1.300 nicm 2004: struct msg_write_ready *msg = imsg->data;
2005: size_t msglen = imsg->hdr.len - IMSG_HEADER_SIZE;
2006: struct client_file find, *cf;
2007:
2008: if (msglen != sizeof *msg)
2009: fatalx("bad MSG_WRITE_READY size");
2010: find.stream = msg->stream;
2011: if ((cf = RB_FIND(client_files, &c->files, &find)) == NULL)
2012: return;
2013: if (msg->error != 0) {
2014: cf->error = msg->error;
2015: file_fire_done(cf);
2016: } else
2017: file_push(cf);
1.169 nicm 2018: }
2019:
1.300 nicm 2020: /* Handle read data message. */
2021: static void
2022: server_client_dispatch_read_data(struct client *c, struct imsg *imsg)
1.169 nicm 2023: {
1.300 nicm 2024: struct msg_read_data *msg = imsg->data;
2025: size_t msglen = imsg->hdr.len - IMSG_HEADER_SIZE;
2026: struct client_file find, *cf;
1.301 nicm 2027: void *bdata = msg + 1;
2028: size_t bsize = msglen - sizeof *msg;
1.169 nicm 2029:
1.301 nicm 2030: if (msglen < sizeof *msg)
1.300 nicm 2031: fatalx("bad MSG_READ_DATA size");
2032: find.stream = msg->stream;
2033: if ((cf = RB_FIND(client_files, &c->files, &find)) == NULL)
2034: return;
1.169 nicm 2035:
1.300 nicm 2036: log_debug("%s: file %d read %zu bytes", c->name, cf->stream, bsize);
2037: if (cf->error == 0) {
2038: if (evbuffer_add(cf->buffer, bdata, bsize) != 0) {
2039: cf->error = ENOMEM;
2040: file_fire_done(cf);
2041: } else
2042: file_fire_read(cf);
1.169 nicm 2043: }
2044: }
2045:
1.300 nicm 2046: /* Handle read done message. */
1.169 nicm 2047: static void
1.300 nicm 2048: server_client_dispatch_read_done(struct client *c, struct imsg *imsg)
1.169 nicm 2049: {
1.300 nicm 2050: struct msg_read_done *msg = imsg->data;
2051: size_t msglen = imsg->hdr.len - IMSG_HEADER_SIZE;
2052: struct client_file find, *cf;
1.169 nicm 2053:
1.300 nicm 2054: if (msglen != sizeof *msg)
2055: fatalx("bad MSG_READ_DONE size");
2056: find.stream = msg->stream;
2057: if ((cf = RB_FIND(client_files, &c->files, &find)) == NULL)
1.169 nicm 2058: return;
2059:
1.300 nicm 2060: log_debug("%s: file %d read done", c->name, cf->stream);
2061: cf->error = msg->error;
2062: file_fire_done(cf);
1.212 nicm 2063: }
2064:
2065: /* Add to client message log. */
2066: void
2067: server_client_add_message(struct client *c, const char *fmt, ...)
2068: {
2069: struct message_entry *msg, *msg1;
2070: char *s;
2071: va_list ap;
2072: u_int limit;
2073:
2074: va_start(ap, fmt);
2075: xvasprintf(&s, fmt, ap);
2076: va_end(ap);
2077:
1.216 nicm 2078: log_debug("message %s (client %p)", s, c);
1.212 nicm 2079:
2080: msg = xcalloc(1, sizeof *msg);
2081: msg->msg_time = time(NULL);
2082: msg->msg_num = c->message_next++;
2083: msg->msg = s;
2084: TAILQ_INSERT_TAIL(&c->message_log, msg, entry);
2085:
2086: limit = options_get_number(global_options, "message-limit");
2087: TAILQ_FOREACH_SAFE(msg, &c->message_log, entry, msg1) {
2088: if (msg->msg_num + limit >= c->message_next)
2089: break;
2090: free(msg->msg);
2091: TAILQ_REMOVE(&c->message_log, msg, entry);
2092: free(msg);
1.169 nicm 2093: }
1.213 nicm 2094: }
2095:
2096: /* Get client working directory. */
2097: const char *
1.250 nicm 2098: server_client_get_cwd(struct client *c, struct session *s)
1.213 nicm 2099: {
1.250 nicm 2100: const char *home;
1.213 nicm 2101:
1.265 nicm 2102: if (!cfg_finished && cfg_client != NULL)
2103: return (cfg_client->cwd);
1.213 nicm 2104: if (c != NULL && c->session == NULL && c->cwd != NULL)
2105: return (c->cwd);
1.250 nicm 2106: if (s != NULL && s->cwd != NULL)
2107: return (s->cwd);
1.213 nicm 2108: if (c != NULL && (s = c->session) != NULL && s->cwd != NULL)
2109: return (s->cwd);
1.250 nicm 2110: if ((home = find_home()) != NULL)
2111: return (home);
2112: return ("/");
1.1 nicm 2113: }
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