Annotation of src/usr.bin/tmux/server-client.c, Revision 1.323
1.323 ! nicm 1: /* $OpenBSD: server-client.c,v 1.322 2020/04/18 06:15:07 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 *);
1.294 nicm 46: static void server_client_resize_event(int, short, void *);
1.190 nicm 47:
48: static void server_client_dispatch(struct imsg *, void *);
49: static void server_client_dispatch_command(struct client *, struct imsg *);
50: static void server_client_dispatch_identify(struct client *, struct imsg *);
51: static void server_client_dispatch_shell(struct client *);
1.300 nicm 52: static void server_client_dispatch_write_ready(struct client *,
53: struct imsg *);
54: static void server_client_dispatch_read_data(struct client *,
55: struct imsg *);
56: static void server_client_dispatch_read_done(struct client *,
57: struct imsg *);
1.233 nicm 58:
59: /* Number of attached clients. */
60: u_int
61: server_client_how_many(void)
62: {
63: struct client *c;
64: u_int n;
65:
66: n = 0;
67: TAILQ_FOREACH(c, &clients, entry) {
68: if (c->session != NULL && (~c->flags & CLIENT_DETACHING))
69: n++;
70: }
71: return (n);
72: }
1.140 nicm 73:
1.281 nicm 74: /* Overlay timer callback. */
1.214 nicm 75: static void
1.281 nicm 76: server_client_overlay_timer(__unused int fd, __unused short events, void *data)
1.214 nicm 77: {
1.281 nicm 78: server_client_clear_overlay(data);
1.214 nicm 79: }
80:
1.281 nicm 81: /* Set an overlay on client. */
1.214 nicm 82: void
1.309 nicm 83: server_client_set_overlay(struct client *c, u_int delay,
84: overlay_check_cb checkcb, overlay_mode_cb modecb,
85: overlay_draw_cb drawcb, overlay_key_cb keycb, overlay_free_cb freecb,
86: void *data)
1.214 nicm 87: {
88: struct timeval tv;
89:
1.282 nicm 90: if (c->overlay_draw != NULL)
91: server_client_clear_overlay(c);
92:
1.214 nicm 93: tv.tv_sec = delay / 1000;
94: tv.tv_usec = (delay % 1000) * 1000L;
95:
1.281 nicm 96: if (event_initialized(&c->overlay_timer))
97: evtimer_del(&c->overlay_timer);
98: evtimer_set(&c->overlay_timer, server_client_overlay_timer, c);
1.242 nicm 99: if (delay != 0)
1.281 nicm 100: evtimer_add(&c->overlay_timer, &tv);
101:
1.309 nicm 102: c->overlay_check = checkcb;
103: c->overlay_mode = modecb;
1.281 nicm 104: c->overlay_draw = drawcb;
105: c->overlay_key = keycb;
106: c->overlay_free = freecb;
107: c->overlay_data = data;
1.214 nicm 108:
1.309 nicm 109: c->tty.flags |= TTY_FREEZE;
110: if (c->overlay_mode == NULL)
111: c->tty.flags |= TTY_NOCURSOR;
1.214 nicm 112: server_redraw_client(c);
113: }
114:
1.281 nicm 115: /* Clear overlay mode on client. */
1.309 nicm 116: void
1.281 nicm 117: server_client_clear_overlay(struct client *c)
1.214 nicm 118: {
1.281 nicm 119: if (c->overlay_draw == NULL)
1.214 nicm 120: return;
121:
1.281 nicm 122: if (event_initialized(&c->overlay_timer))
123: evtimer_del(&c->overlay_timer);
124:
125: if (c->overlay_free != NULL)
126: c->overlay_free(c);
127:
1.309 nicm 128: c->overlay_check = NULL;
129: c->overlay_mode = NULL;
1.281 nicm 130: c->overlay_draw = NULL;
131: c->overlay_key = NULL;
1.309 nicm 132: c->overlay_free = NULL;
133: c->overlay_data = NULL;
1.214 nicm 134:
135: c->tty.flags &= ~(TTY_FREEZE|TTY_NOCURSOR);
136: server_redraw_client(c);
137: }
138:
1.140 nicm 139: /* Check if this client is inside this server. */
140: int
141: server_client_check_nested(struct client *c)
142: {
143: struct environ_entry *envent;
144: struct window_pane *wp;
145:
1.164 nicm 146: envent = environ_find(c->environ, "TMUX");
1.140 nicm 147: if (envent == NULL || *envent->value == '\0')
148: return (0);
149:
150: RB_FOREACH(wp, window_pane_tree, &all_window_panes) {
1.216 nicm 151: if (strcmp(wp->tty, c->ttyname) == 0)
1.140 nicm 152: return (1);
153: }
154: return (0);
155: }
1.1 nicm 156:
1.132 nicm 157: /* Set client key table. */
158: void
1.178 nicm 159: server_client_set_key_table(struct client *c, const char *name)
1.132 nicm 160: {
1.178 nicm 161: if (name == NULL)
162: name = server_client_get_key_table(c);
163:
1.132 nicm 164: key_bindings_unref_table(c->keytable);
165: c->keytable = key_bindings_get_table(name, 1);
166: c->keytable->references++;
167: }
168:
1.178 nicm 169: /* Get default key table. */
170: const char *
171: server_client_get_key_table(struct client *c)
172: {
173: struct session *s = c->session;
174: const char *name;
175:
176: if (s == NULL)
177: return ("root");
178:
179: name = options_get_string(s->options, "key-table");
180: if (*name == '\0')
181: return ("root");
182: return (name);
183: }
184:
1.223 nicm 185: /* Is this table the default key table? */
186: static int
187: server_client_is_default_key_table(struct client *c, struct key_table *table)
1.191 nicm 188: {
1.223 nicm 189: return (strcmp(table->name, server_client_get_key_table(c)) == 0);
1.191 nicm 190: }
191:
1.1 nicm 192: /* Create a new client. */
1.246 nicm 193: struct client *
1.1 nicm 194: server_client_create(int fd)
195: {
196: struct client *c;
197:
1.49 nicm 198: setblocking(fd, 0);
1.1 nicm 199:
200: c = xcalloc(1, sizeof *c);
1.141 nicm 201: c->references = 1;
1.162 nicm 202: c->peer = proc_add_peer(server_proc, fd, server_client_dispatch, c);
1.25 nicm 203:
1.10 nicm 204: if (gettimeofday(&c->creation_time, NULL) != 0)
1.1 nicm 205: fatal("gettimeofday failed");
1.11 nicm 206: memcpy(&c->activity_time, &c->creation_time, sizeof c->activity_time);
1.111 nicm 207:
1.164 nicm 208: c->environ = environ_create();
1.1 nicm 209:
1.146 nicm 210: c->fd = -1;
1.165 nicm 211: c->cwd = NULL;
1.145 nicm 212:
1.316 nicm 213: c->queue = cmdq_new();
1.94 nicm 214:
1.1 nicm 215: c->tty.fd = -1;
216: c->title = NULL;
217:
218: c->session = NULL;
1.45 nicm 219: c->last_session = NULL;
1.261 nicm 220:
1.1 nicm 221: c->tty.sx = 80;
222: c->tty.sy = 24;
223:
1.271 nicm 224: status_init(c);
1.1 nicm 225:
226: c->message_string = NULL;
1.136 nicm 227: TAILQ_INIT(&c->message_log);
1.1 nicm 228:
229: c->prompt_string = NULL;
230: c->prompt_buffer = NULL;
231: c->prompt_index = 0;
232:
1.300 nicm 233: RB_INIT(&c->files);
234:
1.93 nicm 235: c->flags |= CLIENT_FOCUSED;
236:
1.132 nicm 237: c->keytable = key_bindings_get_table("root", 1);
238: c->keytable->references++;
239:
1.17 nicm 240: evtimer_set(&c->repeat_timer, server_client_repeat_timer, c);
1.192 nicm 241: evtimer_set(&c->click_timer, server_client_click_timer, c);
1.17 nicm 242:
1.135 nicm 243: TAILQ_INSERT_TAIL(&clients, c, entry);
1.157 nicm 244: log_debug("new client %p", c);
1.246 nicm 245: return (c);
1.72 nicm 246: }
247:
248: /* Open client terminal if needed. */
249: int
1.119 nicm 250: server_client_open(struct client *c, char **cause)
1.72 nicm 251: {
1.75 nicm 252: if (c->flags & CLIENT_CONTROL)
253: return (0);
1.120 nicm 254:
255: if (strcmp(c->ttyname, "/dev/tty") == 0) {
256: *cause = xstrdup("can't use /dev/tty");
257: return (-1);
258: }
1.75 nicm 259:
1.72 nicm 260: if (!(c->flags & CLIENT_TERMINAL)) {
1.116 nicm 261: *cause = xstrdup("not a terminal");
1.72 nicm 262: return (-1);
263: }
264:
1.119 nicm 265: if (tty_open(&c->tty, cause) != 0)
1.72 nicm 266: return (-1);
267:
268: return (0);
1.1 nicm 269: }
270:
271: /* Lost a client. */
272: void
273: server_client_lost(struct client *c)
274: {
1.136 nicm 275: struct message_entry *msg, *msg1;
1.300 nicm 276: struct client_file *cf;
1.1 nicm 277:
1.141 nicm 278: c->flags |= CLIENT_DEAD;
279:
1.281 nicm 280: server_client_clear_overlay(c);
1.141 nicm 281: status_prompt_clear(c);
282: status_message_clear(c);
283:
1.300 nicm 284: RB_FOREACH(cf, client_files, &c->files) {
285: cf->error = EINTR;
286: file_fire_done(cf);
287: }
1.141 nicm 288:
1.135 nicm 289: TAILQ_REMOVE(&clients, c, entry);
1.157 nicm 290: log_debug("lost client %p", c);
1.1 nicm 291:
292: /*
293: * If CLIENT_TERMINAL hasn't been set, then tty_init hasn't been called
294: * and tty_free might close an unrelated fd.
295: */
296: if (c->flags & CLIENT_TERMINAL)
297: tty_free(&c->tty);
1.109 nicm 298: free(c->ttyname);
299: free(c->term);
1.1 nicm 300:
1.270 nicm 301: status_free(c);
1.1 nicm 302:
1.77 nicm 303: free(c->title);
1.165 nicm 304: free((void *)c->cwd);
1.1 nicm 305:
1.17 nicm 306: evtimer_del(&c->repeat_timer);
1.192 nicm 307: evtimer_del(&c->click_timer);
1.17 nicm 308:
1.132 nicm 309: key_bindings_unref_table(c->keytable);
310:
1.77 nicm 311: free(c->message_string);
1.116 nicm 312: if (event_initialized(&c->message_timer))
1.69 nicm 313: evtimer_del(&c->message_timer);
1.136 nicm 314: TAILQ_FOREACH_SAFE(msg, &c->message_log, entry, msg1) {
1.77 nicm 315: free(msg->msg);
1.136 nicm 316: TAILQ_REMOVE(&c->message_log, msg, entry);
317: free(msg);
1.21 nicm 318: }
1.1 nicm 319:
1.259 nicm 320: free(c->prompt_saved);
1.77 nicm 321: free(c->prompt_string);
322: free(c->prompt_buffer);
1.61 nicm 323:
1.228 nicm 324: format_lost_client(c);
1.164 nicm 325: environ_free(c->environ);
1.1 nicm 326:
1.162 nicm 327: proc_remove_peer(c->peer);
328: c->peer = NULL;
1.13 nicm 329:
1.142 nicm 330: server_client_unref(c);
1.71 nicm 331:
332: server_add_accept(0); /* may be more file descriptors now */
1.1 nicm 333:
334: recalculate_sizes();
1.41 nicm 335: server_check_unattached();
1.19 nicm 336: server_update_socket();
1.141 nicm 337: }
338:
339: /* Remove reference from a client. */
340: void
1.142 nicm 341: server_client_unref(struct client *c)
1.141 nicm 342: {
1.157 nicm 343: log_debug("unref client %p (%d references)", c, c->references);
1.141 nicm 344:
345: c->references--;
346: if (c->references == 0)
347: event_once(-1, EV_TIMEOUT, server_client_free, c, NULL);
348: }
349:
350: /* Free dead client. */
1.190 nicm 351: static void
1.170 nicm 352: server_client_free(__unused int fd, __unused short events, void *arg)
1.141 nicm 353: {
354: struct client *c = arg;
355:
1.157 nicm 356: log_debug("free client %p (%d references)", c, c->references);
1.141 nicm 357:
1.316 nicm 358: cmdq_free(c->queue);
1.194 nicm 359:
1.216 nicm 360: if (c->references == 0) {
361: free((void *)c->name);
1.141 nicm 362: free(c);
1.216 nicm 363: }
1.9 nicm 364: }
365:
1.220 nicm 366: /* Suspend a client. */
367: void
368: server_client_suspend(struct client *c)
369: {
1.232 nicm 370: struct session *s = c->session;
1.220 nicm 371:
372: if (s == NULL || (c->flags & CLIENT_DETACHING))
373: return;
374:
375: tty_stop_tty(&c->tty);
376: c->flags |= CLIENT_SUSPENDED;
377: proc_send(c->peer, MSG_SUSPEND, -1, NULL, 0);
378: }
379:
1.174 nicm 380: /* Detach a client. */
381: void
382: server_client_detach(struct client *c, enum msgtype msgtype)
383: {
1.232 nicm 384: struct session *s = c->session;
1.174 nicm 385:
1.220 nicm 386: if (s == NULL || (c->flags & CLIENT_DETACHING))
1.174 nicm 387: return;
388:
1.220 nicm 389: c->flags |= CLIENT_DETACHING;
1.196 nicm 390: notify_client("client-detached", c);
1.240 nicm 391: proc_send(c->peer, msgtype, -1, s->name, strlen(s->name) + 1);
1.207 nicm 392: }
393:
1.208 nicm 394: /* Execute command to replace a client. */
1.207 nicm 395: void
396: server_client_exec(struct client *c, const char *cmd)
397: {
398: struct session *s = c->session;
1.208 nicm 399: char *msg;
400: const char *shell;
1.207 nicm 401: size_t cmdsize, shellsize;
402:
403: if (*cmd == '\0')
404: return;
405: cmdsize = strlen(cmd) + 1;
406:
407: if (s != NULL)
408: shell = options_get_string(s->options, "default-shell");
409: else
410: shell = options_get_string(global_s_options, "default-shell");
1.308 nicm 411: if (!checkshell(shell))
412: shell = _PATH_BSHELL;
1.207 nicm 413: shellsize = strlen(shell) + 1;
414:
415: msg = xmalloc(cmdsize + shellsize);
416: memcpy(msg, cmd, cmdsize);
417: memcpy(msg + cmdsize, shell, shellsize);
418:
419: proc_send(c->peer, MSG_EXEC, -1, msg, cmdsize + shellsize);
420: free(msg);
1.174 nicm 421: }
422:
1.66 nicm 423: /* Check for mouse keys. */
1.190 nicm 424: static key_code
1.276 nicm 425: server_client_check_mouse(struct client *c, struct key_event *event)
1.66 nicm 426: {
1.276 nicm 427: struct mouse_event *m = &event->m;
1.192 nicm 428: struct session *s = c->session;
1.272 nicm 429: struct winlink *wl;
1.192 nicm 430: struct window_pane *wp;
1.261 nicm 431: u_int x, y, b, sx, sy, px, py;
1.307 nicm 432: int ignore = 0;
1.192 nicm 433: key_code key;
434: struct timeval tv;
1.272 nicm 435: struct style_range *sr;
1.283 nicm 436: enum { NOTYPE,
437: MOVE,
438: DOWN,
439: UP,
440: DRAG,
441: WHEEL,
1.311 nicm 442: SECOND,
1.283 nicm 443: DOUBLE,
444: TRIPLE } type = NOTYPE;
1.276 nicm 445: enum { NOWHERE,
446: PANE,
447: STATUS,
448: STATUS_LEFT,
449: STATUS_RIGHT,
450: STATUS_DEFAULT,
1.283 nicm 451: BORDER } where = NOWHERE;
1.131 nicm 452:
1.261 nicm 453: log_debug("%s mouse %02x at %u,%u (last %u,%u) (%d)", c->name, m->b,
454: m->x, m->y, m->lx, m->ly, c->tty.mouse_drag_flag);
1.131 nicm 455:
456: /* What type of event is this? */
1.306 nicm 457: if (event->key == KEYC_DOUBLECLICK) {
458: type = DOUBLE;
459: x = m->x, y = m->y, b = m->b;
1.307 nicm 460: ignore = 1;
1.306 nicm 461: log_debug("double-click at %u,%u", x, y);
462: } else if ((m->sgr_type != ' ' &&
1.209 nicm 463: MOUSE_DRAG(m->sgr_b) &&
464: MOUSE_BUTTONS(m->sgr_b) == 3) ||
465: (m->sgr_type == ' ' &&
466: MOUSE_DRAG(m->b) &&
467: MOUSE_BUTTONS(m->b) == 3 &&
468: MOUSE_BUTTONS(m->lb) == 3)) {
469: type = MOVE;
470: x = m->x, y = m->y, b = 0;
471: log_debug("move at %u,%u", x, y);
472: } else if (MOUSE_DRAG(m->b)) {
1.131 nicm 473: type = DRAG;
474: if (c->tty.mouse_drag_flag) {
475: x = m->x, y = m->y, b = m->b;
1.278 nicm 476: if (x == m->lx && y == m->ly)
477: return (KEYC_UNKNOWN);
1.131 nicm 478: log_debug("drag update at %u,%u", x, y);
479: } else {
1.277 nicm 480: x = m->lx, y = m->ly, b = m->lb;
1.131 nicm 481: log_debug("drag start at %u,%u", x, y);
482: }
483: } else if (MOUSE_WHEEL(m->b)) {
484: type = WHEEL;
485: x = m->x, y = m->y, b = m->b;
486: log_debug("wheel at %u,%u", x, y);
1.200 nicm 487: } else if (MOUSE_RELEASE(m->b)) {
1.131 nicm 488: type = UP;
489: x = m->x, y = m->y, b = m->lb;
490: log_debug("up at %u,%u", x, y);
491: } else {
1.192 nicm 492: if (c->flags & CLIENT_DOUBLECLICK) {
493: evtimer_del(&c->click_timer);
494: c->flags &= ~CLIENT_DOUBLECLICK;
495: if (m->b == c->click_button) {
1.311 nicm 496: type = SECOND;
497: x = m->x, y = m->y, b = m->b;
498: log_debug("second-click at %u,%u", x, y);
1.306 nicm 499: c->flags |= CLIENT_TRIPLECLICK;
1.192 nicm 500: }
501: } else if (c->flags & CLIENT_TRIPLECLICK) {
502: evtimer_del(&c->click_timer);
503: c->flags &= ~CLIENT_TRIPLECLICK;
504: if (m->b == c->click_button) {
505: type = TRIPLE;
506: x = m->x, y = m->y, b = m->b;
507: log_debug("triple-click at %u,%u", x, y);
508: goto have_event;
509: }
1.311 nicm 510: } else {
511: type = DOWN;
512: x = m->x, y = m->y, b = m->b;
513: log_debug("down at %u,%u", x, y);
1.307 nicm 514: c->flags |= CLIENT_DOUBLECLICK;
1.311 nicm 515: }
1.192 nicm 516:
517: if (KEYC_CLICK_TIMEOUT != 0) {
1.306 nicm 518: memcpy(&c->click_event, m, sizeof c->click_event);
1.192 nicm 519: c->click_button = m->b;
520:
1.312 nicm 521: log_debug("click timer started");
1.192 nicm 522: tv.tv_sec = KEYC_CLICK_TIMEOUT / 1000;
523: tv.tv_usec = (KEYC_CLICK_TIMEOUT % 1000) * 1000L;
524: evtimer_del(&c->click_timer);
525: evtimer_add(&c->click_timer, &tv);
526: }
1.131 nicm 527: }
1.192 nicm 528:
529: have_event:
1.131 nicm 530: if (type == NOTYPE)
1.177 nicm 531: return (KEYC_UNKNOWN);
1.131 nicm 532:
1.258 nicm 533: /* Save the session. */
1.131 nicm 534: m->s = s->id;
1.258 nicm 535: m->w = -1;
1.307 nicm 536: m->ignore = ignore;
1.131 nicm 537:
538: /* Is this on the status line? */
539: m->statusat = status_at_line(c);
1.292 nicm 540: m->statuslines = status_line_size(c);
1.272 nicm 541: if (m->statusat != -1 &&
542: y >= (u_int)m->statusat &&
1.292 nicm 543: y < m->statusat + m->statuslines) {
1.272 nicm 544: sr = status_get_range(c, x, y - m->statusat);
1.274 nicm 545: if (sr == NULL) {
546: where = STATUS_DEFAULT;
547: } else {
548: switch (sr->type) {
549: case STYLE_RANGE_NONE:
1.273 nicm 550: return (KEYC_UNKNOWN);
1.274 nicm 551: case STYLE_RANGE_LEFT:
552: where = STATUS_LEFT;
553: break;
554: case STYLE_RANGE_RIGHT:
555: where = STATUS_RIGHT;
556: break;
557: case STYLE_RANGE_WINDOW:
1.298 nicm 558: wl = winlink_find_by_index(&s->windows,
559: sr->argument);
1.274 nicm 560: if (wl == NULL)
561: return (KEYC_UNKNOWN);
562: m->w = wl->window->id;
1.273 nicm 563:
1.274 nicm 564: where = STATUS;
565: break;
566: }
1.258 nicm 567: }
568: }
1.131 nicm 569:
570: /* Not on status line. Adjust position and check for border or pane. */
571: if (where == NOWHERE) {
1.261 nicm 572: px = x;
1.292 nicm 573: if (m->statusat == 0 && y >= m->statuslines)
574: py = y - m->statuslines;
1.131 nicm 575: else if (m->statusat > 0 && y >= (u_int)m->statusat)
1.261 nicm 576: py = m->statusat - 1;
577: else
578: py = y;
579:
580: tty_window_offset(&c->tty, &m->ox, &m->oy, &sx, &sy);
581: log_debug("mouse window @%u at %u,%u (%ux%u)",
582: s->curw->window->id, m->ox, m->oy, sx, sy);
583: if (px > sx || py > sy)
584: return (KEYC_UNKNOWN);
585: px = px + m->ox;
586: py = py + m->oy;
1.131 nicm 587:
1.260 nicm 588: /* Try the pane borders if not zoomed. */
589: if (~s->curw->window->flags & WINDOW_ZOOMED) {
590: TAILQ_FOREACH(wp, &s->curw->window->panes, entry) {
1.261 nicm 591: if ((wp->xoff + wp->sx == px &&
592: wp->yoff <= 1 + py &&
593: wp->yoff + wp->sy >= py) ||
594: (wp->yoff + wp->sy == py &&
595: wp->xoff <= 1 + px &&
596: wp->xoff + wp->sx >= px))
1.260 nicm 597: break;
598: }
599: if (wp != NULL)
600: where = BORDER;
1.131 nicm 601: }
1.260 nicm 602:
603: /* Otherwise try inside the pane. */
604: if (where == NOWHERE) {
1.261 nicm 605: wp = window_get_active_at(s->curw->window, px, py);
1.260 nicm 606: if (wp != NULL)
1.131 nicm 607: where = PANE;
1.315 nicm 608: else
609: return (KEYC_UNKNOWN);
1.131 nicm 610: }
1.260 nicm 611: if (where == PANE)
612: log_debug("mouse %u,%u on pane %%%u", x, y, wp->id);
613: else if (where == BORDER)
614: log_debug("mouse on pane %%%u border", wp->id);
1.131 nicm 615: m->wp = wp->id;
616: m->w = wp->window->id;
617: } else
618: m->wp = -1;
619:
620: /* Stop dragging if needed. */
1.200 nicm 621: if (type != DRAG && type != WHEEL && c->tty.mouse_drag_flag) {
1.131 nicm 622: if (c->tty.mouse_drag_release != NULL)
623: c->tty.mouse_drag_release(c, m);
624:
625: c->tty.mouse_drag_update = NULL;
626: c->tty.mouse_drag_release = NULL;
627:
1.182 nicm 628: /*
1.183 nicm 629: * End a mouse drag by passing a MouseDragEnd key corresponding
630: * to the button that started the drag.
1.182 nicm 631: */
632: switch (c->tty.mouse_drag_flag) {
633: case 1:
634: if (where == PANE)
1.183 nicm 635: key = KEYC_MOUSEDRAGEND1_PANE;
1.182 nicm 636: if (where == STATUS)
1.183 nicm 637: key = KEYC_MOUSEDRAGEND1_STATUS;
1.258 nicm 638: if (where == STATUS_LEFT)
639: key = KEYC_MOUSEDRAGEND1_STATUS_LEFT;
640: if (where == STATUS_RIGHT)
641: key = KEYC_MOUSEDRAGEND1_STATUS_RIGHT;
1.274 nicm 642: if (where == STATUS_DEFAULT)
643: key = KEYC_MOUSEDRAGEND1_STATUS_DEFAULT;
1.182 nicm 644: if (where == BORDER)
1.183 nicm 645: key = KEYC_MOUSEDRAGEND1_BORDER;
1.182 nicm 646: break;
647: case 2:
648: if (where == PANE)
1.183 nicm 649: key = KEYC_MOUSEDRAGEND2_PANE;
1.182 nicm 650: if (where == STATUS)
1.183 nicm 651: key = KEYC_MOUSEDRAGEND2_STATUS;
1.258 nicm 652: if (where == STATUS_LEFT)
653: key = KEYC_MOUSEDRAGEND2_STATUS_LEFT;
654: if (where == STATUS_RIGHT)
655: key = KEYC_MOUSEDRAGEND2_STATUS_RIGHT;
1.274 nicm 656: if (where == STATUS_DEFAULT)
657: key = KEYC_MOUSEDRAGEND2_STATUS_DEFAULT;
1.182 nicm 658: if (where == BORDER)
1.183 nicm 659: key = KEYC_MOUSEDRAGEND2_BORDER;
1.182 nicm 660: break;
661: case 3:
662: if (where == PANE)
1.183 nicm 663: key = KEYC_MOUSEDRAGEND3_PANE;
1.182 nicm 664: if (where == STATUS)
1.183 nicm 665: key = KEYC_MOUSEDRAGEND3_STATUS;
1.258 nicm 666: if (where == STATUS_LEFT)
667: key = KEYC_MOUSEDRAGEND3_STATUS_LEFT;
668: if (where == STATUS_RIGHT)
669: key = KEYC_MOUSEDRAGEND3_STATUS_RIGHT;
1.274 nicm 670: if (where == STATUS_DEFAULT)
671: key = KEYC_MOUSEDRAGEND3_STATUS_DEFAULT;
1.182 nicm 672: if (where == BORDER)
1.183 nicm 673: key = KEYC_MOUSEDRAGEND3_BORDER;
1.182 nicm 674: break;
675: default:
676: key = KEYC_MOUSE;
677: break;
678: }
1.131 nicm 679: c->tty.mouse_drag_flag = 0;
1.305 nicm 680: goto out;
1.131 nicm 681: }
682:
683: /* Convert to a key binding. */
1.177 nicm 684: key = KEYC_UNKNOWN;
1.131 nicm 685: switch (type) {
686: case NOTYPE:
687: break;
1.209 nicm 688: case MOVE:
689: if (where == PANE)
690: key = KEYC_MOUSEMOVE_PANE;
691: if (where == STATUS)
692: key = KEYC_MOUSEMOVE_STATUS;
1.274 nicm 693: if (where == STATUS_LEFT)
694: key = KEYC_MOUSEMOVE_STATUS_LEFT;
695: if (where == STATUS_RIGHT)
696: key = KEYC_MOUSEMOVE_STATUS_RIGHT;
697: if (where == STATUS_DEFAULT)
698: key = KEYC_MOUSEMOVE_STATUS_DEFAULT;
1.209 nicm 699: if (where == BORDER)
700: key = KEYC_MOUSEMOVE_BORDER;
701: break;
1.131 nicm 702: case DRAG:
1.204 nicm 703: if (c->tty.mouse_drag_update != NULL)
704: key = KEYC_DRAGGING;
705: else {
1.131 nicm 706: switch (MOUSE_BUTTONS(b)) {
707: case 0:
708: if (where == PANE)
709: key = KEYC_MOUSEDRAG1_PANE;
710: if (where == STATUS)
711: key = KEYC_MOUSEDRAG1_STATUS;
1.258 nicm 712: if (where == STATUS_LEFT)
713: key = KEYC_MOUSEDRAG1_STATUS_LEFT;
714: if (where == STATUS_RIGHT)
715: key = KEYC_MOUSEDRAG1_STATUS_RIGHT;
1.274 nicm 716: if (where == STATUS_DEFAULT)
717: key = KEYC_MOUSEDRAG1_STATUS_DEFAULT;
1.131 nicm 718: if (where == BORDER)
719: key = KEYC_MOUSEDRAG1_BORDER;
720: break;
721: case 1:
722: if (where == PANE)
723: key = KEYC_MOUSEDRAG2_PANE;
724: if (where == STATUS)
725: key = KEYC_MOUSEDRAG2_STATUS;
1.258 nicm 726: if (where == STATUS_LEFT)
727: key = KEYC_MOUSEDRAG2_STATUS_LEFT;
728: if (where == STATUS_RIGHT)
729: key = KEYC_MOUSEDRAG2_STATUS_RIGHT;
1.274 nicm 730: if (where == STATUS_DEFAULT)
731: key = KEYC_MOUSEDRAG2_STATUS_DEFAULT;
1.131 nicm 732: if (where == BORDER)
733: key = KEYC_MOUSEDRAG2_BORDER;
734: break;
735: case 2:
736: if (where == PANE)
737: key = KEYC_MOUSEDRAG3_PANE;
738: if (where == STATUS)
739: key = KEYC_MOUSEDRAG3_STATUS;
1.258 nicm 740: if (where == STATUS_LEFT)
741: key = KEYC_MOUSEDRAG3_STATUS_LEFT;
742: if (where == STATUS_RIGHT)
743: key = KEYC_MOUSEDRAG3_STATUS_RIGHT;
1.274 nicm 744: if (where == STATUS_DEFAULT)
745: key = KEYC_MOUSEDRAG3_STATUS_DEFAULT;
1.131 nicm 746: if (where == BORDER)
747: key = KEYC_MOUSEDRAG3_BORDER;
748: break;
749: }
750: }
1.66 nicm 751:
1.182 nicm 752: /*
753: * Begin a drag by setting the flag to a non-zero value that
754: * corresponds to the mouse button in use.
755: */
756: c->tty.mouse_drag_flag = MOUSE_BUTTONS(b) + 1;
1.131 nicm 757: break;
758: case WHEEL:
759: if (MOUSE_BUTTONS(b) == MOUSE_WHEEL_UP) {
760: if (where == PANE)
761: key = KEYC_WHEELUP_PANE;
762: if (where == STATUS)
763: key = KEYC_WHEELUP_STATUS;
1.258 nicm 764: if (where == STATUS_LEFT)
765: key = KEYC_WHEELUP_STATUS_LEFT;
766: if (where == STATUS_RIGHT)
767: key = KEYC_WHEELUP_STATUS_RIGHT;
1.274 nicm 768: if (where == STATUS_DEFAULT)
769: key = KEYC_WHEELUP_STATUS_DEFAULT;
1.131 nicm 770: if (where == BORDER)
771: key = KEYC_WHEELUP_BORDER;
772: } else {
773: if (where == PANE)
774: key = KEYC_WHEELDOWN_PANE;
775: if (where == STATUS)
776: key = KEYC_WHEELDOWN_STATUS;
1.274 nicm 777: if (where == STATUS_LEFT)
778: key = KEYC_WHEELDOWN_STATUS_LEFT;
779: if (where == STATUS_RIGHT)
780: key = KEYC_WHEELDOWN_STATUS_RIGHT;
781: if (where == STATUS_DEFAULT)
782: key = KEYC_WHEELDOWN_STATUS_DEFAULT;
1.131 nicm 783: if (where == BORDER)
784: key = KEYC_WHEELDOWN_BORDER;
785: }
786: break;
787: case UP:
788: switch (MOUSE_BUTTONS(b)) {
789: case 0:
790: if (where == PANE)
791: key = KEYC_MOUSEUP1_PANE;
792: if (where == STATUS)
793: key = KEYC_MOUSEUP1_STATUS;
1.258 nicm 794: if (where == STATUS_LEFT)
795: key = KEYC_MOUSEUP1_STATUS_LEFT;
796: if (where == STATUS_RIGHT)
797: key = KEYC_MOUSEUP1_STATUS_RIGHT;
1.274 nicm 798: if (where == STATUS_DEFAULT)
799: key = KEYC_MOUSEUP1_STATUS_DEFAULT;
1.131 nicm 800: if (where == BORDER)
801: key = KEYC_MOUSEUP1_BORDER;
802: break;
803: case 1:
804: if (where == PANE)
805: key = KEYC_MOUSEUP2_PANE;
806: if (where == STATUS)
807: key = KEYC_MOUSEUP2_STATUS;
1.258 nicm 808: if (where == STATUS_LEFT)
809: key = KEYC_MOUSEUP2_STATUS_LEFT;
810: if (where == STATUS_RIGHT)
811: key = KEYC_MOUSEUP2_STATUS_RIGHT;
1.274 nicm 812: if (where == STATUS_DEFAULT)
813: key = KEYC_MOUSEUP2_STATUS_DEFAULT;
1.131 nicm 814: if (where == BORDER)
815: key = KEYC_MOUSEUP2_BORDER;
816: break;
817: case 2:
818: if (where == PANE)
819: key = KEYC_MOUSEUP3_PANE;
820: if (where == STATUS)
821: key = KEYC_MOUSEUP3_STATUS;
1.258 nicm 822: if (where == STATUS_LEFT)
823: key = KEYC_MOUSEUP3_STATUS_LEFT;
824: if (where == STATUS_RIGHT)
825: key = KEYC_MOUSEUP3_STATUS_RIGHT;
1.274 nicm 826: if (where == STATUS_DEFAULT)
827: key = KEYC_MOUSEUP3_STATUS_DEFAULT;
1.131 nicm 828: if (where == BORDER)
829: key = KEYC_MOUSEUP3_BORDER;
830: break;
831: }
832: break;
833: case DOWN:
834: switch (MOUSE_BUTTONS(b)) {
835: case 0:
836: if (where == PANE)
837: key = KEYC_MOUSEDOWN1_PANE;
838: if (where == STATUS)
839: key = KEYC_MOUSEDOWN1_STATUS;
1.258 nicm 840: if (where == STATUS_LEFT)
841: key = KEYC_MOUSEDOWN1_STATUS_LEFT;
842: if (where == STATUS_RIGHT)
843: key = KEYC_MOUSEDOWN1_STATUS_RIGHT;
1.274 nicm 844: if (where == STATUS_DEFAULT)
845: key = KEYC_MOUSEDOWN1_STATUS_DEFAULT;
1.131 nicm 846: if (where == BORDER)
847: key = KEYC_MOUSEDOWN1_BORDER;
848: break;
849: case 1:
850: if (where == PANE)
851: key = KEYC_MOUSEDOWN2_PANE;
852: if (where == STATUS)
853: key = KEYC_MOUSEDOWN2_STATUS;
1.258 nicm 854: if (where == STATUS_LEFT)
855: key = KEYC_MOUSEDOWN2_STATUS_LEFT;
856: if (where == STATUS_RIGHT)
857: key = KEYC_MOUSEDOWN2_STATUS_RIGHT;
1.274 nicm 858: if (where == STATUS_DEFAULT)
859: key = KEYC_MOUSEDOWN2_STATUS_DEFAULT;
1.131 nicm 860: if (where == BORDER)
861: key = KEYC_MOUSEDOWN2_BORDER;
862: break;
863: case 2:
864: if (where == PANE)
865: key = KEYC_MOUSEDOWN3_PANE;
866: if (where == STATUS)
867: key = KEYC_MOUSEDOWN3_STATUS;
1.258 nicm 868: if (where == STATUS_LEFT)
869: key = KEYC_MOUSEDOWN3_STATUS_LEFT;
870: if (where == STATUS_RIGHT)
871: key = KEYC_MOUSEDOWN3_STATUS_RIGHT;
1.274 nicm 872: if (where == STATUS_DEFAULT)
873: key = KEYC_MOUSEDOWN3_STATUS_DEFAULT;
1.131 nicm 874: if (where == BORDER)
875: key = KEYC_MOUSEDOWN3_BORDER;
1.311 nicm 876: break;
877: }
878: break;
879: case SECOND:
880: switch (MOUSE_BUTTONS(b)) {
881: case 0:
882: if (where == PANE)
883: key = KEYC_SECONDCLICK1_PANE;
884: if (where == STATUS)
885: key = KEYC_SECONDCLICK1_STATUS;
886: if (where == STATUS_LEFT)
887: key = KEYC_SECONDCLICK1_STATUS_LEFT;
888: if (where == STATUS_RIGHT)
889: key = KEYC_SECONDCLICK1_STATUS_RIGHT;
890: if (where == STATUS_DEFAULT)
891: key = KEYC_SECONDCLICK1_STATUS_DEFAULT;
892: if (where == BORDER)
893: key = KEYC_SECONDCLICK1_BORDER;
894: break;
895: case 1:
896: if (where == PANE)
897: key = KEYC_SECONDCLICK2_PANE;
898: if (where == STATUS)
899: key = KEYC_SECONDCLICK2_STATUS;
900: if (where == STATUS_LEFT)
901: key = KEYC_SECONDCLICK2_STATUS_LEFT;
902: if (where == STATUS_RIGHT)
903: key = KEYC_SECONDCLICK2_STATUS_RIGHT;
904: if (where == STATUS_DEFAULT)
905: key = KEYC_SECONDCLICK2_STATUS_DEFAULT;
906: if (where == BORDER)
907: key = KEYC_SECONDCLICK2_BORDER;
908: break;
909: case 2:
910: if (where == PANE)
911: key = KEYC_SECONDCLICK3_PANE;
912: if (where == STATUS)
913: key = KEYC_SECONDCLICK3_STATUS;
914: if (where == STATUS_LEFT)
915: key = KEYC_SECONDCLICK3_STATUS_LEFT;
916: if (where == STATUS_RIGHT)
917: key = KEYC_SECONDCLICK3_STATUS_RIGHT;
918: if (where == STATUS_DEFAULT)
919: key = KEYC_SECONDCLICK3_STATUS_DEFAULT;
920: if (where == BORDER)
921: key = KEYC_SECONDCLICK3_BORDER;
1.131 nicm 922: break;
1.66 nicm 923: }
1.131 nicm 924: break;
1.192 nicm 925: case DOUBLE:
926: switch (MOUSE_BUTTONS(b)) {
927: case 0:
928: if (where == PANE)
929: key = KEYC_DOUBLECLICK1_PANE;
930: if (where == STATUS)
931: key = KEYC_DOUBLECLICK1_STATUS;
1.258 nicm 932: if (where == STATUS_LEFT)
933: key = KEYC_DOUBLECLICK1_STATUS_LEFT;
934: if (where == STATUS_RIGHT)
935: key = KEYC_DOUBLECLICK1_STATUS_RIGHT;
1.274 nicm 936: if (where == STATUS_DEFAULT)
937: key = KEYC_DOUBLECLICK1_STATUS_DEFAULT;
1.192 nicm 938: if (where == BORDER)
939: key = KEYC_DOUBLECLICK1_BORDER;
940: break;
941: case 1:
942: if (where == PANE)
943: key = KEYC_DOUBLECLICK2_PANE;
944: if (where == STATUS)
945: key = KEYC_DOUBLECLICK2_STATUS;
1.258 nicm 946: if (where == STATUS_LEFT)
947: key = KEYC_DOUBLECLICK2_STATUS_LEFT;
948: if (where == STATUS_RIGHT)
949: key = KEYC_DOUBLECLICK2_STATUS_RIGHT;
1.274 nicm 950: if (where == STATUS_DEFAULT)
951: key = KEYC_DOUBLECLICK2_STATUS_DEFAULT;
1.192 nicm 952: if (where == BORDER)
953: key = KEYC_DOUBLECLICK2_BORDER;
954: break;
955: case 2:
956: if (where == PANE)
957: key = KEYC_DOUBLECLICK3_PANE;
958: if (where == STATUS)
959: key = KEYC_DOUBLECLICK3_STATUS;
1.258 nicm 960: if (where == STATUS_LEFT)
961: key = KEYC_DOUBLECLICK3_STATUS_LEFT;
962: if (where == STATUS_RIGHT)
963: key = KEYC_DOUBLECLICK3_STATUS_RIGHT;
1.274 nicm 964: if (where == STATUS_DEFAULT)
965: key = KEYC_DOUBLECLICK3_STATUS_DEFAULT;
1.192 nicm 966: if (where == BORDER)
967: key = KEYC_DOUBLECLICK3_BORDER;
968: break;
969: }
970: break;
971: case TRIPLE:
972: switch (MOUSE_BUTTONS(b)) {
973: case 0:
974: if (where == PANE)
975: key = KEYC_TRIPLECLICK1_PANE;
976: if (where == STATUS)
977: key = KEYC_TRIPLECLICK1_STATUS;
1.258 nicm 978: if (where == STATUS_LEFT)
979: key = KEYC_TRIPLECLICK1_STATUS_LEFT;
980: if (where == STATUS_RIGHT)
981: key = KEYC_TRIPLECLICK1_STATUS_RIGHT;
1.274 nicm 982: if (where == STATUS_DEFAULT)
983: key = KEYC_TRIPLECLICK1_STATUS_DEFAULT;
1.192 nicm 984: if (where == BORDER)
985: key = KEYC_TRIPLECLICK1_BORDER;
986: break;
987: case 1:
988: if (where == PANE)
989: key = KEYC_TRIPLECLICK2_PANE;
990: if (where == STATUS)
991: key = KEYC_TRIPLECLICK2_STATUS;
1.258 nicm 992: if (where == STATUS_LEFT)
993: key = KEYC_TRIPLECLICK2_STATUS_LEFT;
994: if (where == STATUS_RIGHT)
995: key = KEYC_TRIPLECLICK2_STATUS_RIGHT;
1.274 nicm 996: if (where == STATUS_DEFAULT)
997: key = KEYC_TRIPLECLICK2_STATUS_DEFAULT;
1.192 nicm 998: if (where == BORDER)
999: key = KEYC_TRIPLECLICK2_BORDER;
1000: break;
1001: case 2:
1002: if (where == PANE)
1003: key = KEYC_TRIPLECLICK3_PANE;
1004: if (where == STATUS)
1005: key = KEYC_TRIPLECLICK3_STATUS;
1.258 nicm 1006: if (where == STATUS_LEFT)
1007: key = KEYC_TRIPLECLICK3_STATUS_LEFT;
1008: if (where == STATUS_RIGHT)
1009: key = KEYC_TRIPLECLICK3_STATUS_RIGHT;
1.274 nicm 1010: if (where == STATUS_DEFAULT)
1011: key = KEYC_TRIPLECLICK3_STATUS_DEFAULT;
1.192 nicm 1012: if (where == BORDER)
1013: key = KEYC_TRIPLECLICK3_BORDER;
1014: break;
1015: }
1016: break;
1.66 nicm 1017: }
1.177 nicm 1018: if (key == KEYC_UNKNOWN)
1019: return (KEYC_UNKNOWN);
1.66 nicm 1020:
1.305 nicm 1021: out:
1.131 nicm 1022: /* Apply modifiers if any. */
1023: if (b & MOUSE_MASK_META)
1024: key |= KEYC_ESCAPE;
1025: if (b & MOUSE_MASK_CTRL)
1026: key |= KEYC_CTRL;
1027: if (b & MOUSE_MASK_SHIFT)
1028: key |= KEYC_SHIFT;
1.66 nicm 1029:
1.305 nicm 1030: if (log_get_level() != 0)
1031: log_debug("mouse key is %s", key_string_lookup_key (key));
1.131 nicm 1032: return (key);
1.66 nicm 1033: }
1034:
1.82 nicm 1035: /* Is this fast enough to probably be a paste? */
1.190 nicm 1036: static int
1.82 nicm 1037: server_client_assume_paste(struct session *s)
1038: {
1039: struct timeval tv;
1.84 nicm 1040: int t;
1.82 nicm 1041:
1.163 nicm 1042: if ((t = options_get_number(s->options, "assume-paste-time")) == 0)
1.83 nicm 1043: return (0);
1.82 nicm 1044:
1045: timersub(&s->activity_time, &s->last_activity_time, &tv);
1.171 nicm 1046: if (tv.tv_sec == 0 && tv.tv_usec < t * 1000) {
1047: log_debug("session %s pasting (flag %d)", s->name,
1048: !!(s->flags & SESSION_PASTING));
1049: if (s->flags & SESSION_PASTING)
1050: return (1);
1051: s->flags |= SESSION_PASTING;
1052: return (0);
1053: }
1054: log_debug("session %s not pasting", s->name);
1055: s->flags &= ~SESSION_PASTING;
1.83 nicm 1056: return (0);
1.82 nicm 1057: }
1058:
1.295 nicm 1059: /* Has the latest client changed? */
1060: static void
1061: server_client_update_latest(struct client *c)
1062: {
1063: struct window *w;
1064:
1065: if (c->session == NULL)
1066: return;
1067: w = c->session->curw->window;
1068:
1069: if (w->latest == c)
1070: return;
1071: w->latest = c;
1072:
1073: if (options_get_number(w->options, "window-size") == WINDOW_SIZE_LATEST)
1074: recalculate_size(w);
1075: }
1076:
1.276 nicm 1077: /*
1078: * Handle data key input from client. This owns and can modify the key event it
1079: * is given and is responsible for freeing it.
1080: */
1.280 nicm 1081: static enum cmd_retval
1.276 nicm 1082: server_client_key_callback(struct cmdq_item *item, void *data)
1.18 nicm 1083: {
1.316 nicm 1084: struct client *c = cmdq_get_client(item);
1.276 nicm 1085: struct key_event *event = data;
1086: key_code key = event->key;
1087: struct mouse_event *m = &event->m;
1.267 nicm 1088: struct session *s = c->session;
1089: struct winlink *wl;
1090: struct window_pane *wp;
1091: struct window_mode_entry *wme;
1092: struct timeval tv;
1093: struct key_table *table, *first;
1094: struct key_binding *bd;
1095: int xtimeout, flags;
1096: struct cmd_find_state fs;
1097: key_code key0;
1.18 nicm 1098:
1099: /* Check the client is good to accept input. */
1.303 nicm 1100: if (s == NULL || (c->flags & CLIENT_UNATTACHEDFLAGS))
1.276 nicm 1101: goto out;
1.264 nicm 1102: wl = s->curw;
1.18 nicm 1103:
1104: /* Update the activity timer. */
1105: if (gettimeofday(&c->activity_time, NULL) != 0)
1106: fatal("gettimeofday failed");
1.149 nicm 1107: session_update_activity(s, &c->activity_time);
1.18 nicm 1108:
1109: /* Check for mouse keys. */
1.204 nicm 1110: m->valid = 0;
1.306 nicm 1111: if (key == KEYC_MOUSE || key == KEYC_DOUBLECLICK) {
1.30 nicm 1112: if (c->flags & CLIENT_READONLY)
1.276 nicm 1113: goto out;
1114: key = server_client_check_mouse(c, event);
1.177 nicm 1115: if (key == KEYC_UNKNOWN)
1.276 nicm 1116: goto out;
1.131 nicm 1117:
1118: m->valid = 1;
1119: m->key = key;
1.203 nicm 1120:
1121: /*
1.204 nicm 1122: * Mouse drag is in progress, so fire the callback (now that
1123: * the mouse event is valid).
1.203 nicm 1124: */
1.305 nicm 1125: if ((key & KEYC_MASK_KEY) == KEYC_DRAGGING) {
1.204 nicm 1126: c->tty.mouse_drag_update(c, m);
1.276 nicm 1127: goto out;
1.204 nicm 1128: }
1.276 nicm 1129: }
1.18 nicm 1130:
1.202 nicm 1131: /* Find affected pane. */
1.243 nicm 1132: if (!KEYC_IS_MOUSE(key) || cmd_find_from_mouse(&fs, m, 0) != 0)
1133: cmd_find_from_session(&fs, s, 0);
1.227 nicm 1134: wp = fs.wp;
1.202 nicm 1135:
1136: /* Forward mouse keys if disabled. */
1.206 nicm 1137: if (KEYC_IS_MOUSE(key) && !options_get_number(s->options, "mouse"))
1.253 nicm 1138: goto forward_key;
1.202 nicm 1139:
1.132 nicm 1140: /* Treat everything as a regular key when pasting is detected. */
1.161 nicm 1141: if (!KEYC_IS_MOUSE(key) && server_client_assume_paste(s))
1.253 nicm 1142: goto forward_key;
1.18 nicm 1143:
1.191 nicm 1144: /*
1145: * Work out the current key table. If the pane is in a mode, use
1146: * the mode table instead of the default key table.
1147: */
1.223 nicm 1148: if (server_client_is_default_key_table(c, c->keytable) &&
1149: wp != NULL &&
1.267 nicm 1150: (wme = TAILQ_FIRST(&wp->modes)) != NULL &&
1151: wme->mode->key_table != NULL)
1152: table = key_bindings_get_table(wme->mode->key_table(wme), 1);
1.223 nicm 1153: else
1.191 nicm 1154: table = c->keytable;
1.223 nicm 1155: first = table;
1.191 nicm 1156:
1.253 nicm 1157: table_changed:
1.205 nicm 1158: /*
1159: * The prefix always takes precedence and forces a switch to the prefix
1160: * table, unless we are already there.
1161: */
1.252 nicm 1162: key0 = (key & ~KEYC_XTERM);
1.239 nicm 1163: if ((key0 == (key_code)options_get_number(s->options, "prefix") ||
1164: key0 == (key_code)options_get_number(s->options, "prefix2")) &&
1.205 nicm 1165: strcmp(table->name, "prefix") != 0) {
1166: server_client_set_key_table(c, "prefix");
1167: server_status_client(c);
1.276 nicm 1168: goto out;
1.205 nicm 1169: }
1.238 nicm 1170: flags = c->flags;
1.205 nicm 1171:
1.262 nicm 1172: try_again:
1.223 nicm 1173: /* Log key table. */
1174: if (wp == NULL)
1175: log_debug("key table %s (no pane)", table->name);
1176: else
1177: log_debug("key table %s (pane %%%u)", table->name, wp->id);
1.225 nicm 1178: if (c->flags & CLIENT_REPEAT)
1179: log_debug("currently repeating");
1.223 nicm 1180:
1.132 nicm 1181: /* Try to see if there is a key binding in the current table. */
1.254 nicm 1182: bd = key_bindings_get(table, key0);
1.132 nicm 1183: if (bd != NULL) {
1184: /*
1185: * Key was matched in this table. If currently repeating but a
1186: * non-repeating binding was found, stop repeating and try
1187: * again in the root table.
1188: */
1.222 nicm 1189: if ((c->flags & CLIENT_REPEAT) &&
1190: (~bd->flags & KEY_BINDING_REPEAT)) {
1.262 nicm 1191: log_debug("found in key table %s (not repeating)",
1192: table->name);
1.178 nicm 1193: server_client_set_key_table(c, NULL);
1.262 nicm 1194: first = table = c->keytable;
1.132 nicm 1195: c->flags &= ~CLIENT_REPEAT;
1.85 nicm 1196: server_status_client(c);
1.253 nicm 1197: goto table_changed;
1.18 nicm 1198: }
1.223 nicm 1199: log_debug("found in key table %s", table->name);
1.82 nicm 1200:
1.132 nicm 1201: /*
1202: * Take a reference to this table to make sure the key binding
1203: * doesn't disappear.
1204: */
1205: table->references++;
1206:
1207: /*
1208: * If this is a repeating key, start the timer. Otherwise reset
1209: * the client back to the root table.
1210: */
1.163 nicm 1211: xtimeout = options_get_number(s->options, "repeat-time");
1.222 nicm 1212: if (xtimeout != 0 && (bd->flags & KEY_BINDING_REPEAT)) {
1.132 nicm 1213: c->flags |= CLIENT_REPEAT;
1214:
1215: tv.tv_sec = xtimeout / 1000;
1216: tv.tv_usec = (xtimeout % 1000) * 1000L;
1217: evtimer_del(&c->repeat_timer);
1218: evtimer_add(&c->repeat_timer, &tv);
1219: } else {
1.18 nicm 1220: c->flags &= ~CLIENT_REPEAT;
1.178 nicm 1221: server_client_set_key_table(c, NULL);
1.18 nicm 1222: }
1.132 nicm 1223: server_status_client(c);
1224:
1.227 nicm 1225: /* Execute the key binding. */
1.317 nicm 1226: key_bindings_dispatch(bd, item, c, event, &fs);
1.132 nicm 1227: key_bindings_unref_table(table);
1.276 nicm 1228: goto out;
1.18 nicm 1229: }
1230:
1.132 nicm 1231: /*
1.253 nicm 1232: * No match, try the ANY key.
1233: */
1234: if (key0 != KEYC_ANY) {
1235: key0 = KEYC_ANY;
1236: goto try_again;
1237: }
1238:
1239: /*
1.223 nicm 1240: * No match in this table. If not in the root table or if repeating,
1241: * switch the client back to the root table and try again.
1.132 nicm 1242: */
1.223 nicm 1243: log_debug("not found in key table %s", table->name);
1244: if (!server_client_is_default_key_table(c, table) ||
1245: (c->flags & CLIENT_REPEAT)) {
1.262 nicm 1246: log_debug("trying in root table");
1.178 nicm 1247: server_client_set_key_table(c, NULL);
1.262 nicm 1248: table = c->keytable;
1249: if (c->flags & CLIENT_REPEAT)
1250: first = table;
1.18 nicm 1251: c->flags &= ~CLIENT_REPEAT;
1.132 nicm 1252: server_status_client(c);
1.253 nicm 1253: goto table_changed;
1.18 nicm 1254: }
1255:
1.223 nicm 1256: /*
1257: * No match in the root table either. If this wasn't the first table
1258: * tried, don't pass the key to the pane.
1259: */
1.238 nicm 1260: if (first != table && (~flags & CLIENT_REPEAT)) {
1.178 nicm 1261: server_client_set_key_table(c, NULL);
1.132 nicm 1262: server_status_client(c);
1.276 nicm 1263: goto out;
1.161 nicm 1264: }
1265:
1.253 nicm 1266: forward_key:
1.161 nicm 1267: if (c->flags & CLIENT_READONLY)
1.276 nicm 1268: goto out;
1.161 nicm 1269: if (wp != NULL)
1.264 nicm 1270: window_pane_key(wp, c, s, wl, key, m);
1.276 nicm 1271:
1272: out:
1.295 nicm 1273: if (s != NULL)
1274: server_client_update_latest(c);
1.276 nicm 1275: free(event);
1276: return (CMD_RETURN_NORMAL);
1.280 nicm 1277: }
1278:
1279: /* Handle a key event. */
1280: int
1281: server_client_handle_key(struct client *c, struct key_event *event)
1282: {
1283: struct session *s = c->session;
1284: struct cmdq_item *item;
1285:
1286: /* Check the client is good to accept input. */
1.303 nicm 1287: if (s == NULL || (c->flags & CLIENT_UNATTACHEDFLAGS))
1.280 nicm 1288: return (0);
1289:
1290: /*
1.291 nicm 1291: * Key presses in overlay mode and the command prompt are a special
1292: * case. The queue might be blocked so they need to be processed
1293: * immediately rather than queued.
1.280 nicm 1294: */
1.291 nicm 1295: if (~c->flags & CLIENT_READONLY) {
1296: status_message_clear(c);
1297: if (c->prompt_string != NULL) {
1298: if (status_prompt_key(c, event->key) == 0)
1299: return (0);
1300: }
1301: if (c->overlay_key != NULL) {
1302: switch (c->overlay_key(c, event)) {
1303: case 0:
1304: return (0);
1305: case 1:
1306: server_client_clear_overlay(c);
1307: return (0);
1308: }
1.290 nicm 1309: }
1.293 nicm 1310: server_client_clear_overlay(c);
1.280 nicm 1311: }
1312:
1313: /*
1314: * Add the key to the queue so it happens after any commands queued by
1315: * previous keys.
1316: */
1317: item = cmdq_get_callback(server_client_key_callback, event);
1318: cmdq_append(c, item);
1319: return (1);
1.18 nicm 1320: }
1321:
1.2 nicm 1322: /* Client functions that need to happen every loop. */
1323: void
1324: server_client_loop(void)
1325: {
1326: struct client *c;
1327: struct window *w;
1328: struct window_pane *wp;
1.287 nicm 1329: struct winlink *wl;
1330: struct session *s;
1.296 nicm 1331: int focus, attached, resize;
1.2 nicm 1332:
1.135 nicm 1333: TAILQ_FOREACH(c, &clients, entry) {
1.36 nicm 1334: server_client_check_exit(c);
1335: if (c->session != NULL) {
1336: server_client_check_redraw(c);
1337: server_client_reset_state(c);
1338: }
1.2 nicm 1339: }
1340:
1341: /*
1342: * Any windows will have been redrawn as part of clients, so clear
1.92 nicm 1343: * their flags now. Also check pane focus and resize.
1.296 nicm 1344: *
1345: * As an optimization, panes in windows that are in an attached session
1346: * but not the current window are not resized (this reduces the amount
1347: * of work needed when, for example, resizing an X terminal a
1348: * lot). Windows in no attached session are resized immediately since
1349: * that is likely to have come from a command like split-window and be
1350: * what the user wanted.
1.2 nicm 1351: */
1.197 nicm 1352: focus = options_get_number(global_options, "focus-events");
1.134 nicm 1353: RB_FOREACH(w, windows, &windows) {
1.296 nicm 1354: attached = resize = 0;
1.287 nicm 1355: TAILQ_FOREACH(wl, &w->winlinks, wentry) {
1356: s = wl->session;
1.296 nicm 1357: if (s->attached != 0)
1358: attached = 1;
1359: if (s->attached != 0 && s->curw == wl) {
1360: resize = 1;
1.287 nicm 1361: break;
1.296 nicm 1362: }
1.287 nicm 1363: }
1.296 nicm 1364: if (!attached)
1365: resize = 1;
1.91 nicm 1366: TAILQ_FOREACH(wp, &w->panes, entry) {
1.289 nicm 1367: if (wp->fd != -1) {
1.197 nicm 1368: if (focus)
1369: server_client_check_focus(wp);
1.296 nicm 1370: if (resize)
1.289 nicm 1371: server_client_check_resize(wp);
1.101 nicm 1372: }
1.2 nicm 1373: wp->flags &= ~PANE_REDRAW;
1.91 nicm 1374: }
1.150 nicm 1375: check_window_name(w);
1.2 nicm 1376: }
1.92 nicm 1377: }
1378:
1.237 nicm 1379: /* Check if we need to force a resize. */
1380: static int
1381: server_client_resize_force(struct window_pane *wp)
1382: {
1383: struct timeval tv = { .tv_usec = 100000 };
1384:
1385: /*
1386: * If we are resizing to the same size as when we entered the loop
1387: * (that is, to the same size the application currently thinks it is),
1388: * tmux may have gone through several resizes internally and thrown
1389: * away parts of the screen. So we need the application to actually
1390: * redraw even though its final size has not changed.
1391: */
1392:
1393: if (wp->flags & PANE_RESIZEFORCE) {
1394: wp->flags &= ~PANE_RESIZEFORCE;
1395: return (0);
1396: }
1397:
1398: if (wp->sx != wp->osx ||
1399: wp->sy != wp->osy ||
1400: wp->sx <= 1 ||
1401: wp->sy <= 1)
1402: return (0);
1403:
1404: log_debug("%s: %%%u forcing resize", __func__, wp->id);
1.297 nicm 1405: window_pane_send_resize(wp, -1);
1.237 nicm 1406:
1407: evtimer_add(&wp->resize_timer, &tv);
1408: wp->flags |= PANE_RESIZEFORCE;
1409: return (1);
1410: }
1411:
1.294 nicm 1412: /* Resize a pane. */
1.188 nicm 1413: static void
1.294 nicm 1414: server_client_resize_pane(struct window_pane *wp)
1.92 nicm 1415: {
1.235 nicm 1416: log_debug("%s: %%%u resize to %u,%u", __func__, wp->id, wp->sx, wp->sy);
1.297 nicm 1417: window_pane_send_resize(wp, 0);
1.92 nicm 1418:
1419: wp->flags &= ~PANE_RESIZE;
1.235 nicm 1420:
1421: wp->osx = wp->sx;
1422: wp->osy = wp->sy;
1.188 nicm 1423: }
1424:
1.294 nicm 1425: /* Start the resize timer. */
1426: static void
1427: server_client_start_resize_timer(struct window_pane *wp)
1428: {
1429: struct timeval tv = { .tv_usec = 250000 };
1430:
1431: if (!evtimer_pending(&wp->resize_timer, NULL))
1432: evtimer_add(&wp->resize_timer, &tv);
1433: }
1434:
1435: /* Resize timer event. */
1436: static void
1437: server_client_resize_event(__unused int fd, __unused short events, void *data)
1438: {
1439: struct window_pane *wp = data;
1440:
1441: evtimer_del(&wp->resize_timer);
1442:
1443: if (~wp->flags & PANE_RESIZE)
1444: return;
1445: log_debug("%s: %%%u timer fired (was%s resized)", __func__, wp->id,
1446: (wp->flags & PANE_RESIZED) ? "" : " not");
1447:
1.310 nicm 1448: if (wp->base.saved_grid == NULL && (wp->flags & PANE_RESIZED)) {
1.294 nicm 1449: log_debug("%s: %%%u deferring timer", __func__, wp->id);
1450: server_client_start_resize_timer(wp);
1451: } else if (!server_client_resize_force(wp)) {
1452: log_debug("%s: %%%u resizing pane", __func__, wp->id);
1453: server_client_resize_pane(wp);
1454: }
1455: wp->flags &= ~PANE_RESIZED;
1456: }
1457:
1.188 nicm 1458: /* Check if pane should be resized. */
1.190 nicm 1459: static void
1.188 nicm 1460: server_client_check_resize(struct window_pane *wp)
1461: {
1.294 nicm 1462: if (~wp->flags & PANE_RESIZE)
1.188 nicm 1463: return;
1464:
1465: if (!event_initialized(&wp->resize_timer))
1466: evtimer_set(&wp->resize_timer, server_client_resize_event, wp);
1467:
1.294 nicm 1468: if (!evtimer_pending(&wp->resize_timer, NULL)) {
1469: log_debug("%s: %%%u starting timer", __func__, wp->id);
1470: server_client_resize_pane(wp);
1471: server_client_start_resize_timer(wp);
1472: } else
1473: log_debug("%s: %%%u timer running", __func__, wp->id);
1.91 nicm 1474: }
1475:
1476: /* Check whether pane should be focused. */
1.190 nicm 1477: static void
1.91 nicm 1478: server_client_check_focus(struct window_pane *wp)
1479: {
1.93 nicm 1480: struct client *c;
1.102 nicm 1481: int push;
1482:
1483: /* Do we need to push the focus state? */
1484: push = wp->flags & PANE_FOCUSPUSH;
1485: wp->flags &= ~PANE_FOCUSPUSH;
1.91 nicm 1486:
1487: /* If we're not the active pane in our window, we're not focused. */
1488: if (wp->window->active != wp)
1489: goto not_focused;
1490:
1491: /* If we're in a mode, we're not focused. */
1492: if (wp->screen != &wp->base)
1493: goto not_focused;
1494:
1495: /*
1.93 nicm 1496: * If our window is the current window in any focused clients with an
1497: * attached session, we're focused.
1.91 nicm 1498: */
1.135 nicm 1499: TAILQ_FOREACH(c, &clients, entry) {
1500: if (c->session == NULL || !(c->flags & CLIENT_FOCUSED))
1.91 nicm 1501: continue;
1.255 nicm 1502: if (c->session->attached == 0)
1.93 nicm 1503: continue;
1504:
1505: if (c->session->curw->window == wp->window)
1.91 nicm 1506: goto focused;
1507: }
1508:
1509: not_focused:
1.251 nicm 1510: if (push || (wp->flags & PANE_FOCUSED)) {
1511: if (wp->base.mode & MODE_FOCUSON)
1512: bufferevent_write(wp->event, "\033[O", 3);
1513: notify_pane("pane-focus-out", wp);
1514: }
1.91 nicm 1515: wp->flags &= ~PANE_FOCUSED;
1516: return;
1517:
1518: focused:
1.251 nicm 1519: if (push || !(wp->flags & PANE_FOCUSED)) {
1520: if (wp->base.mode & MODE_FOCUSON)
1521: bufferevent_write(wp->event, "\033[I", 3);
1522: notify_pane("pane-focus-in", wp);
1.275 nicm 1523: session_update_activity(c->session, NULL);
1.251 nicm 1524: }
1.91 nicm 1525: wp->flags |= PANE_FOCUSED;
1.2 nicm 1526: }
1527:
1.18 nicm 1528: /*
1529: * Update cursor position and mode settings. The scroll region and attributes
1530: * are cleared when idle (waiting for an event) as this is the most likely time
1531: * a user may interrupt tmux, for example with ~^Z in ssh(1). This is a
1532: * compromise between excessive resets and likelihood of an interrupt.
1533: *
1534: * tty_region/tty_reset/tty_update_mode already take care of not resetting
1535: * things that are already in their default state.
1536: */
1.190 nicm 1537: static void
1.18 nicm 1538: server_client_reset_state(struct client *c)
1.1 nicm 1539: {
1.18 nicm 1540: struct window *w = c->session->curw->window;
1.209 nicm 1541: struct window_pane *wp = w->active, *loop;
1.309 nicm 1542: struct screen *s;
1.163 nicm 1543: struct options *oo = c->session->options;
1.315 nicm 1544: int mode, cursor;
1.261 nicm 1545: u_int cx = 0, cy = 0, ox, oy, sx, sy;
1.60 nicm 1546:
1.186 nicm 1547: if (c->flags & (CLIENT_CONTROL|CLIENT_SUSPENDED))
1.86 nicm 1548: return;
1549:
1.309 nicm 1550: /* Get mode from overlay if any, else from screen. */
1551: if (c->overlay_draw != NULL) {
1552: s = NULL;
1553: if (c->overlay_mode == NULL)
1554: mode = 0;
1555: else
1556: mode = c->overlay_mode(c, &cx, &cy);
1557: } else {
1558: s = wp->screen;
1559: mode = s->mode;
1560: }
1561: log_debug("%s: client %s mode %x", __func__, c->name, mode);
1562:
1563: /* Reset region and margin. */
1.199 nicm 1564: tty_region_off(&c->tty);
1565: tty_margin_off(&c->tty);
1.1 nicm 1566:
1.261 nicm 1567: /* Move cursor to pane cursor and offset. */
1.309 nicm 1568: if (c->overlay_draw == NULL) {
1569: cursor = 0;
1570: tty_window_offset(&c->tty, &ox, &oy, &sx, &sy);
1571: if (wp->xoff + s->cx >= ox && wp->xoff + s->cx <= ox + sx &&
1572: wp->yoff + s->cy >= oy && wp->yoff + s->cy <= oy + sy) {
1573: cursor = 1;
1.261 nicm 1574:
1.309 nicm 1575: cx = wp->xoff + s->cx - ox;
1576: cy = wp->yoff + s->cy - oy;
1.261 nicm 1577:
1.309 nicm 1578: if (status_at_line(c) == 0)
1579: cy += status_line_size(c);
1580: }
1581: if (!cursor)
1582: mode &= ~MODE_CURSOR;
1.261 nicm 1583: }
1584: tty_cursor(&c->tty, cx, cy);
1.1 nicm 1585:
1.50 nicm 1586: /*
1.131 nicm 1587: * Set mouse mode if requested. To support dragging, always use button
1588: * mode.
1.57 nicm 1589: */
1.209 nicm 1590: if (options_get_number(oo, "mouse")) {
1591: mode &= ~ALL_MOUSE_MODES;
1.309 nicm 1592: if (c->overlay_draw == NULL) {
1593: TAILQ_FOREACH(loop, &w->panes, entry) {
1594: if (loop->screen->mode & MODE_MOUSE_ALL)
1595: mode |= MODE_MOUSE_ALL;
1596: }
1.209 nicm 1597: }
1598: if (~mode & MODE_MOUSE_ALL)
1599: mode |= MODE_MOUSE_BUTTON;
1600: }
1.215 nicm 1601:
1602: /* Clear bracketed paste mode if at the prompt. */
1.309 nicm 1603: if (c->overlay_draw == NULL && c->prompt_string != NULL)
1.215 nicm 1604: mode &= ~MODE_BRACKETPASTE;
1.48 nicm 1605:
1606: /* Set the terminal mode and reset attributes. */
1.59 nicm 1607: tty_update_mode(&c->tty, mode, s);
1.1 nicm 1608: tty_reset(&c->tty);
1.17 nicm 1609: }
1610:
1611: /* Repeat time callback. */
1.190 nicm 1612: static void
1.170 nicm 1613: server_client_repeat_timer(__unused int fd, __unused short events, void *data)
1.17 nicm 1614: {
1615: struct client *c = data;
1616:
1.85 nicm 1617: if (c->flags & CLIENT_REPEAT) {
1.178 nicm 1618: server_client_set_key_table(c, NULL);
1.132 nicm 1619: c->flags &= ~CLIENT_REPEAT;
1620: server_status_client(c);
1.85 nicm 1621: }
1.192 nicm 1622: }
1623:
1624: /* Double-click callback. */
1625: static void
1626: server_client_click_timer(__unused int fd, __unused short events, void *data)
1627: {
1.306 nicm 1628: struct client *c = data;
1629: struct key_event *event;
1630:
1631: log_debug("click timer expired");
1.192 nicm 1632:
1.306 nicm 1633: if (c->flags & CLIENT_TRIPLECLICK) {
1634: /*
1635: * Waiting for a third click that hasn't happened, so this must
1636: * have been a double click.
1637: */
1638: event = xmalloc(sizeof *event);
1639: event->key = KEYC_DOUBLECLICK;
1640: memcpy(&event->m, &c->click_event, sizeof event->m);
1641: if (!server_client_handle_key(c, event))
1642: free(event);
1643: }
1.192 nicm 1644: c->flags &= ~(CLIENT_DOUBLECLICK|CLIENT_TRIPLECLICK);
1.1 nicm 1645: }
1646:
1.36 nicm 1647: /* Check if client should be exited. */
1.190 nicm 1648: static void
1.36 nicm 1649: server_client_check_exit(struct client *c)
1650: {
1.300 nicm 1651: struct client_file *cf;
1652:
1.286 nicm 1653: if (~c->flags & CLIENT_EXIT)
1654: return;
1655: if (c->flags & CLIENT_EXITED)
1.36 nicm 1656: return;
1657:
1.300 nicm 1658: RB_FOREACH(cf, client_files, &c->files) {
1659: if (EVBUFFER_LENGTH(cf->buffer) != 0)
1660: return;
1661: }
1.36 nicm 1662:
1.249 nicm 1663: if (c->flags & CLIENT_ATTACHED)
1664: notify_client("client-detached", c);
1.162 nicm 1665: proc_send(c->peer, MSG_EXIT, -1, &c->retval, sizeof c->retval);
1.286 nicm 1666: c->flags |= CLIENT_EXITED;
1.38 nicm 1667: }
1668:
1.218 nicm 1669: /* Redraw timer callback. */
1670: static void
1671: server_client_redraw_timer(__unused int fd, __unused short events,
1.299 nicm 1672: __unused void *data)
1.218 nicm 1673: {
1674: log_debug("redraw timer fired");
1675: }
1676:
1.1 nicm 1677: /* Check for client redraws. */
1.190 nicm 1678: static void
1.1 nicm 1679: server_client_check_redraw(struct client *c)
1680: {
1681: struct session *s = c->session;
1.137 nicm 1682: struct tty *tty = &c->tty;
1.1 nicm 1683: struct window_pane *wp;
1.322 nicm 1684: int needed, flags, mode = tty->mode;
1.218 nicm 1685: struct timeval tv = { .tv_usec = 1000 };
1686: static struct event ev;
1687: size_t left;
1.1 nicm 1688:
1.86 nicm 1689: if (c->flags & (CLIENT_CONTROL|CLIENT_SUSPENDED))
1.79 nicm 1690: return;
1.257 nicm 1691: if (c->flags & CLIENT_ALLREDRAWFLAGS) {
1.322 nicm 1692: log_debug("%s: redraw%s%s%s%s", c->name,
1.257 nicm 1693: (c->flags & CLIENT_REDRAWWINDOW) ? " window" : "",
1694: (c->flags & CLIENT_REDRAWSTATUS) ? " status" : "",
1.282 nicm 1695: (c->flags & CLIENT_REDRAWBORDERS) ? " borders" : "",
1.322 nicm 1696: (c->flags & CLIENT_REDRAWOVERLAY) ? " overlay" : "");
1.257 nicm 1697: }
1.218 nicm 1698:
1699: /*
1700: * If there is outstanding data, defer the redraw until it has been
1701: * consumed. We can just add a timer to get out of the event loop and
1702: * end up back here.
1703: */
1704: needed = 0;
1.256 nicm 1705: if (c->flags & CLIENT_ALLREDRAWFLAGS)
1.218 nicm 1706: needed = 1;
1707: else {
1708: TAILQ_FOREACH(wp, &c->session->curw->window->panes, entry) {
1709: if (wp->flags & PANE_REDRAW) {
1710: needed = 1;
1711: break;
1712: }
1713: }
1714: }
1.241 nicm 1715: if (needed && (left = EVBUFFER_LENGTH(tty->out)) != 0) {
1716: log_debug("%s: redraw deferred (%zu left)", c->name, left);
1717: if (!evtimer_initialized(&ev))
1718: evtimer_set(&ev, server_client_redraw_timer, NULL);
1719: if (!evtimer_pending(&ev, NULL)) {
1.218 nicm 1720: log_debug("redraw timer started");
1721: evtimer_add(&ev, &tv);
1.241 nicm 1722: }
1.322 nicm 1723:
1724: /*
1725: * We may have got here for a single pane redraw, but force a
1726: * full redraw next time in case other panes have been updated.
1727: */
1728: c->flags |= CLIENT_ALLREDRAWFLAGS;
1.241 nicm 1729: return;
1730: } else if (needed)
1.218 nicm 1731: log_debug("%s: redraw needed", c->name);
1.79 nicm 1732:
1.219 nicm 1733: flags = tty->flags & (TTY_BLOCK|TTY_FREEZE|TTY_NOCURSOR);
1734: tty->flags = (tty->flags & ~(TTY_BLOCK|TTY_FREEZE)) | TTY_NOCURSOR;
1.320 nicm 1735: tty_update_mode(tty, mode, NULL);
1.137 nicm 1736:
1.256 nicm 1737: if (~c->flags & CLIENT_REDRAWWINDOW) {
1738: /*
1739: * If not redrawing the entire window, check whether each pane
1740: * needs to be redrawn.
1741: */
1.1 nicm 1742: TAILQ_FOREACH(wp, &c->session->curw->window->panes, entry) {
1.137 nicm 1743: if (wp->flags & PANE_REDRAW) {
1.323 ! nicm 1744: log_debug("%s: redrawing pane %%%u", __func__, wp->id);
1.137 nicm 1745: tty_update_mode(tty, tty->mode, NULL);
1.1 nicm 1746: screen_redraw_pane(c, wp);
1.137 nicm 1747: }
1.1 nicm 1748: }
1749: }
1750:
1.256 nicm 1751: if (c->flags & CLIENT_ALLREDRAWFLAGS) {
1752: if (options_get_number(s->options, "set-titles"))
1753: server_client_set_title(c);
1754: screen_redraw_screen(c);
1755: }
1.1 nicm 1756:
1.320 nicm 1757: tty->flags = (tty->flags & ~TTY_NOCURSOR) | (flags & TTY_NOCURSOR);
1758: tty_update_mode(tty, mode, NULL);
1759: tty->flags = (tty->flags & ~(TTY_BLOCK|TTY_FREEZE|TTY_NOCURSOR)) | flags;
1.1 nicm 1760:
1.256 nicm 1761: c->flags &= ~(CLIENT_ALLREDRAWFLAGS|CLIENT_STATUSFORCE);
1.230 nicm 1762:
1763: if (needed) {
1764: /*
1765: * We would have deferred the redraw unless the output buffer
1766: * was empty, so we can record how many bytes the redraw
1767: * generated.
1768: */
1769: c->redraw = EVBUFFER_LENGTH(tty->out);
1770: log_debug("%s: redraw added %zu bytes", c->name, c->redraw);
1771: }
1.1 nicm 1772: }
1773:
1774: /* Set client title. */
1.190 nicm 1775: static void
1.1 nicm 1776: server_client_set_title(struct client *c)
1777: {
1.128 nicm 1778: struct session *s = c->session;
1779: const char *template;
1780: char *title;
1781: struct format_tree *ft;
1.1 nicm 1782:
1.163 nicm 1783: template = options_get_string(s->options, "set-titles-string");
1.25 nicm 1784:
1.228 nicm 1785: ft = format_create(c, NULL, FORMAT_NONE, 0);
1.128 nicm 1786: format_defaults(ft, c, NULL, NULL, NULL);
1787:
1.269 nicm 1788: title = format_expand_time(ft, template);
1.1 nicm 1789: if (c->title == NULL || strcmp(title, c->title) != 0) {
1.77 nicm 1790: free(c->title);
1.1 nicm 1791: c->title = xstrdup(title);
1792: tty_set_title(&c->tty, c->title);
1793: }
1.77 nicm 1794: free(title);
1.128 nicm 1795:
1796: format_free(ft);
1.1 nicm 1797: }
1798:
1799: /* Dispatch message from client. */
1.190 nicm 1800: static void
1.162 nicm 1801: server_client_dispatch(struct imsg *imsg, void *arg)
1.1 nicm 1802: {
1.300 nicm 1803: struct client *c = arg;
1804: ssize_t datalen;
1805: struct session *s;
1.1 nicm 1806:
1.162 nicm 1807: if (c->flags & CLIENT_DEAD)
1808: return;
1809:
1810: if (imsg == NULL) {
1811: server_client_lost(c);
1812: return;
1813: }
1.1 nicm 1814:
1.162 nicm 1815: datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
1.1 nicm 1816:
1.162 nicm 1817: switch (imsg->hdr.type) {
1818: case MSG_IDENTIFY_FLAGS:
1819: case MSG_IDENTIFY_TERM:
1820: case MSG_IDENTIFY_TTYNAME:
1821: case MSG_IDENTIFY_CWD:
1822: case MSG_IDENTIFY_STDIN:
1823: case MSG_IDENTIFY_ENVIRON:
1824: case MSG_IDENTIFY_CLIENTPID:
1825: case MSG_IDENTIFY_DONE:
1826: server_client_dispatch_identify(c, imsg);
1827: break;
1828: case MSG_COMMAND:
1829: server_client_dispatch_command(c, imsg);
1830: break;
1831: case MSG_RESIZE:
1832: if (datalen != 0)
1833: fatalx("bad MSG_RESIZE size");
1.1 nicm 1834:
1.162 nicm 1835: if (c->flags & CLIENT_CONTROL)
1.1 nicm 1836: break;
1.295 nicm 1837: server_client_update_latest(c);
1.282 nicm 1838: server_client_clear_overlay(c);
1.236 nicm 1839: tty_resize(&c->tty);
1840: recalculate_sizes();
1841: server_redraw_client(c);
1.174 nicm 1842: if (c->session != NULL)
1.196 nicm 1843: notify_client("client-resized", c);
1.162 nicm 1844: break;
1845: case MSG_EXITING:
1846: if (datalen != 0)
1847: fatalx("bad MSG_EXITING size");
1.1 nicm 1848:
1.162 nicm 1849: c->session = NULL;
1850: tty_close(&c->tty);
1851: proc_send(c->peer, MSG_EXITED, -1, NULL, 0);
1852: break;
1853: case MSG_WAKEUP:
1854: case MSG_UNLOCK:
1855: if (datalen != 0)
1856: fatalx("bad MSG_WAKEUP size");
1.121 nicm 1857:
1.162 nicm 1858: if (!(c->flags & CLIENT_SUSPENDED))
1859: break;
1860: c->flags &= ~CLIENT_SUSPENDED;
1.10 nicm 1861:
1.162 nicm 1862: if (c->tty.fd == -1) /* exited in the meantime */
1.1 nicm 1863: break;
1.162 nicm 1864: s = c->session;
1.1 nicm 1865:
1.162 nicm 1866: if (gettimeofday(&c->activity_time, NULL) != 0)
1867: fatal("gettimeofday failed");
1868:
1869: tty_start_tty(&c->tty);
1870: server_redraw_client(c);
1871: recalculate_sizes();
1.184 nicm 1872:
1873: if (s != NULL)
1874: session_update_activity(s, &c->activity_time);
1.162 nicm 1875: break;
1876: case MSG_SHELL:
1877: if (datalen != 0)
1878: fatalx("bad MSG_SHELL size");
1.1 nicm 1879:
1.162 nicm 1880: server_client_dispatch_shell(c);
1881: break;
1.300 nicm 1882: case MSG_WRITE_READY:
1883: server_client_dispatch_write_ready(c, imsg);
1884: break;
1885: case MSG_READ:
1886: server_client_dispatch_read_data(c, imsg);
1887: break;
1888: case MSG_READ_DONE:
1889: server_client_dispatch_read_done(c, imsg);
1890: break;
1.1 nicm 1891: }
1892: }
1893:
1.194 nicm 1894: /* Callback when command is done. */
1895: static enum cmd_retval
1.195 nicm 1896: server_client_command_done(struct cmdq_item *item, __unused void *data)
1.194 nicm 1897: {
1.316 nicm 1898: struct client *c = cmdq_get_client(item);
1.194 nicm 1899:
1900: if (~c->flags & CLIENT_ATTACHED)
1901: c->flags |= CLIENT_EXIT;
1.314 nicm 1902: else if (~c->flags & CLIENT_DETACHING)
1903: tty_send_requests(&c->tty);
1.194 nicm 1904: return (CMD_RETURN_NORMAL);
1905: }
1906:
1.1 nicm 1907: /* Handle command message. */
1.190 nicm 1908: static void
1.162 nicm 1909: server_client_dispatch_command(struct client *c, struct imsg *imsg)
1.1 nicm 1910: {
1.300 nicm 1911: struct msg_command data;
1.108 nicm 1912: char *buf;
1913: size_t len;
1914: int argc;
1915: char **argv, *cause;
1.285 nicm 1916: struct cmd_parse_result *pr;
1.246 nicm 1917:
1918: if (c->flags & CLIENT_EXIT)
1919: return;
1.108 nicm 1920:
1921: if (imsg->hdr.len - IMSG_HEADER_SIZE < sizeof data)
1922: fatalx("bad MSG_COMMAND size");
1923: memcpy(&data, imsg->data, sizeof data);
1924:
1.124 nicm 1925: buf = (char *)imsg->data + sizeof data;
1.108 nicm 1926: len = imsg->hdr.len - IMSG_HEADER_SIZE - sizeof data;
1927: if (len > 0 && buf[len - 1] != '\0')
1928: fatalx("bad MSG_COMMAND string");
1929:
1930: argc = data.argc;
1931: if (cmd_unpack_argv(buf, len, argc, &argv) != 0) {
1.194 nicm 1932: cause = xstrdup("command too long");
1.1 nicm 1933: goto error;
1934: }
1935:
1936: if (argc == 0) {
1937: argc = 1;
1938: argv = xcalloc(1, sizeof *argv);
1939: *argv = xstrdup("new-session");
1940: }
1941:
1.285 nicm 1942: pr = cmd_parse_from_arguments(argc, argv, NULL);
1943: switch (pr->status) {
1944: case CMD_PARSE_EMPTY:
1945: cause = xstrdup("empty command");
1.1 nicm 1946: goto error;
1.285 nicm 1947: case CMD_PARSE_ERROR:
1948: cause = pr->error;
1949: goto error;
1950: case CMD_PARSE_SUCCESS:
1951: break;
1.1 nicm 1952: }
1953: cmd_free_argv(argc, argv);
1954:
1.318 nicm 1955: cmdq_append(c, cmdq_get_command(pr->cmdlist, NULL));
1.194 nicm 1956: cmdq_append(c, cmdq_get_callback(server_client_command_done, NULL));
1.285 nicm 1957:
1958: cmd_list_free(pr->cmdlist);
1.1 nicm 1959: return;
1960:
1961: error:
1.285 nicm 1962: cmd_free_argv(argc, argv);
1963:
1.284 nicm 1964: cmdq_append(c, cmdq_get_error(cause));
1965: free(cause);
1.88 nicm 1966:
1.36 nicm 1967: c->flags |= CLIENT_EXIT;
1.1 nicm 1968: }
1969:
1970: /* Handle identify message. */
1.190 nicm 1971: static void
1.162 nicm 1972: server_client_dispatch_identify(struct client *c, struct imsg *imsg)
1.1 nicm 1973: {
1.165 nicm 1974: const char *data, *home;
1.232 nicm 1975: size_t datalen;
1.109 nicm 1976: int flags;
1.216 nicm 1977: char *name;
1.109 nicm 1978:
1979: if (c->flags & CLIENT_IDENTIFIED)
1980: fatalx("out-of-order identify message");
1981:
1982: data = imsg->data;
1983: datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
1984:
1985: switch (imsg->hdr.type) {
1986: case MSG_IDENTIFY_FLAGS:
1987: if (datalen != sizeof flags)
1988: fatalx("bad MSG_IDENTIFY_FLAGS size");
1989: memcpy(&flags, data, sizeof flags);
1990: c->flags |= flags;
1.158 nicm 1991: log_debug("client %p IDENTIFY_FLAGS %#x", c, flags);
1.109 nicm 1992: break;
1993: case MSG_IDENTIFY_TERM:
1.110 nicm 1994: if (datalen == 0 || data[datalen - 1] != '\0')
1.109 nicm 1995: fatalx("bad MSG_IDENTIFY_TERM string");
1996: c->term = xstrdup(data);
1.158 nicm 1997: log_debug("client %p IDENTIFY_TERM %s", c, data);
1.109 nicm 1998: break;
1999: case MSG_IDENTIFY_TTYNAME:
1.110 nicm 2000: if (datalen == 0 || data[datalen - 1] != '\0')
1.109 nicm 2001: fatalx("bad MSG_IDENTIFY_TTYNAME string");
2002: c->ttyname = xstrdup(data);
1.158 nicm 2003: log_debug("client %p IDENTIFY_TTYNAME %s", c, data);
1.109 nicm 2004: break;
2005: case MSG_IDENTIFY_CWD:
1.155 nicm 2006: if (datalen == 0 || data[datalen - 1] != '\0')
2007: fatalx("bad MSG_IDENTIFY_CWD string");
1.165 nicm 2008: if (access(data, X_OK) == 0)
2009: c->cwd = xstrdup(data);
2010: else if ((home = find_home()) != NULL)
2011: c->cwd = xstrdup(home);
2012: else
2013: c->cwd = xstrdup("/");
1.158 nicm 2014: log_debug("client %p IDENTIFY_CWD %s", c, data);
1.109 nicm 2015: break;
2016: case MSG_IDENTIFY_STDIN:
2017: if (datalen != 0)
2018: fatalx("bad MSG_IDENTIFY_STDIN size");
2019: c->fd = imsg->fd;
1.158 nicm 2020: log_debug("client %p IDENTIFY_STDIN %d", c, imsg->fd);
1.109 nicm 2021: break;
2022: case MSG_IDENTIFY_ENVIRON:
1.110 nicm 2023: if (datalen == 0 || data[datalen - 1] != '\0')
1.109 nicm 2024: fatalx("bad MSG_IDENTIFY_ENVIRON string");
2025: if (strchr(data, '=') != NULL)
1.312 nicm 2026: environ_put(c->environ, data, 0);
1.158 nicm 2027: log_debug("client %p IDENTIFY_ENVIRON %s", c, data);
1.143 nicm 2028: break;
2029: case MSG_IDENTIFY_CLIENTPID:
2030: if (datalen != sizeof c->pid)
2031: fatalx("bad MSG_IDENTIFY_CLIENTPID size");
2032: memcpy(&c->pid, data, sizeof c->pid);
1.158 nicm 2033: log_debug("client %p IDENTIFY_CLIENTPID %ld", c, (long)c->pid);
1.109 nicm 2034: break;
2035: default:
2036: break;
2037: }
2038:
2039: if (imsg->hdr.type != MSG_IDENTIFY_DONE)
2040: return;
2041: c->flags |= CLIENT_IDENTIFIED;
1.75 nicm 2042:
1.216 nicm 2043: if (*c->ttyname != '\0')
2044: name = xstrdup(c->ttyname);
2045: else
2046: xasprintf(&name, "client-%ld", (long)c->pid);
2047: c->name = name;
2048: log_debug("client %p name is %s", c, c->name);
2049:
1.109 nicm 2050: if (c->flags & CLIENT_CONTROL) {
1.300 nicm 2051: close(c->fd);
2052: c->fd = -1;
1.75 nicm 2053:
1.300 nicm 2054: control_start(c);
1.75 nicm 2055: c->tty.fd = -1;
1.288 nicm 2056: } else if (c->fd != -1) {
2057: if (tty_init(&c->tty, c, c->fd, c->term) != 0) {
2058: close(c->fd);
2059: c->fd = -1;
2060: } else {
2061: if (c->flags & CLIENT_UTF8)
1.319 nicm 2062: c->tty.term_flags |= TERM_UTF8;
1.288 nicm 2063: if (c->flags & CLIENT_256COLOURS)
2064: c->tty.term_flags |= TERM_256COLOURS;
2065: tty_resize(&c->tty);
2066: c->flags |= CLIENT_TERMINAL;
2067: }
1.75 nicm 2068: }
1.1 nicm 2069:
1.288 nicm 2070: /*
2071: * If this is the first client that has finished identifying, load
2072: * configuration files.
2073: */
2074: if ((~c->flags & CLIENT_EXIT) &&
2075: !cfg_finished &&
2076: c == TAILQ_FIRST(&clients) &&
2077: TAILQ_NEXT(c, entry) == NULL)
2078: start_cfg();
1.1 nicm 2079: }
2080:
2081: /* Handle shell message. */
1.190 nicm 2082: static void
1.162 nicm 2083: server_client_dispatch_shell(struct client *c)
1.1 nicm 2084: {
1.107 nicm 2085: const char *shell;
1.25 nicm 2086:
1.163 nicm 2087: shell = options_get_string(global_s_options, "default-shell");
1.308 nicm 2088: if (!checkshell(shell))
1.1 nicm 2089: shell = _PATH_BSHELL;
1.240 nicm 2090: proc_send(c->peer, MSG_SHELL, -1, shell, strlen(shell) + 1);
1.25 nicm 2091:
1.162 nicm 2092: proc_kill_peer(c->peer);
1.169 nicm 2093: }
2094:
1.300 nicm 2095: /* Handle write ready message. */
1.169 nicm 2096: static void
1.300 nicm 2097: server_client_dispatch_write_ready(struct client *c, struct imsg *imsg)
1.169 nicm 2098: {
1.300 nicm 2099: struct msg_write_ready *msg = imsg->data;
2100: size_t msglen = imsg->hdr.len - IMSG_HEADER_SIZE;
2101: struct client_file find, *cf;
2102:
2103: if (msglen != sizeof *msg)
2104: fatalx("bad MSG_WRITE_READY size");
2105: find.stream = msg->stream;
2106: if ((cf = RB_FIND(client_files, &c->files, &find)) == NULL)
2107: return;
2108: if (msg->error != 0) {
2109: cf->error = msg->error;
2110: file_fire_done(cf);
2111: } else
2112: file_push(cf);
1.169 nicm 2113: }
2114:
1.300 nicm 2115: /* Handle read data message. */
2116: static void
2117: server_client_dispatch_read_data(struct client *c, struct imsg *imsg)
1.169 nicm 2118: {
1.300 nicm 2119: struct msg_read_data *msg = imsg->data;
2120: size_t msglen = imsg->hdr.len - IMSG_HEADER_SIZE;
2121: struct client_file find, *cf;
1.301 nicm 2122: void *bdata = msg + 1;
2123: size_t bsize = msglen - sizeof *msg;
1.169 nicm 2124:
1.301 nicm 2125: if (msglen < sizeof *msg)
1.300 nicm 2126: fatalx("bad MSG_READ_DATA size");
2127: find.stream = msg->stream;
2128: if ((cf = RB_FIND(client_files, &c->files, &find)) == NULL)
2129: return;
1.169 nicm 2130:
1.300 nicm 2131: log_debug("%s: file %d read %zu bytes", c->name, cf->stream, bsize);
2132: if (cf->error == 0) {
2133: if (evbuffer_add(cf->buffer, bdata, bsize) != 0) {
2134: cf->error = ENOMEM;
2135: file_fire_done(cf);
2136: } else
2137: file_fire_read(cf);
1.169 nicm 2138: }
2139: }
2140:
1.300 nicm 2141: /* Handle read done message. */
1.169 nicm 2142: static void
1.300 nicm 2143: server_client_dispatch_read_done(struct client *c, struct imsg *imsg)
1.169 nicm 2144: {
1.300 nicm 2145: struct msg_read_done *msg = imsg->data;
2146: size_t msglen = imsg->hdr.len - IMSG_HEADER_SIZE;
2147: struct client_file find, *cf;
1.169 nicm 2148:
1.300 nicm 2149: if (msglen != sizeof *msg)
2150: fatalx("bad MSG_READ_DONE size");
2151: find.stream = msg->stream;
2152: if ((cf = RB_FIND(client_files, &c->files, &find)) == NULL)
1.169 nicm 2153: return;
2154:
1.300 nicm 2155: log_debug("%s: file %d read done", c->name, cf->stream);
2156: cf->error = msg->error;
2157: file_fire_done(cf);
1.212 nicm 2158: }
2159:
2160: /* Add to client message log. */
2161: void
2162: server_client_add_message(struct client *c, const char *fmt, ...)
2163: {
2164: struct message_entry *msg, *msg1;
2165: char *s;
2166: va_list ap;
2167: u_int limit;
2168:
2169: va_start(ap, fmt);
2170: xvasprintf(&s, fmt, ap);
2171: va_end(ap);
2172:
1.216 nicm 2173: log_debug("message %s (client %p)", s, c);
1.212 nicm 2174:
2175: msg = xcalloc(1, sizeof *msg);
2176: msg->msg_time = time(NULL);
2177: msg->msg_num = c->message_next++;
2178: msg->msg = s;
2179: TAILQ_INSERT_TAIL(&c->message_log, msg, entry);
2180:
2181: limit = options_get_number(global_options, "message-limit");
2182: TAILQ_FOREACH_SAFE(msg, &c->message_log, entry, msg1) {
2183: if (msg->msg_num + limit >= c->message_next)
2184: break;
2185: free(msg->msg);
2186: TAILQ_REMOVE(&c->message_log, msg, entry);
2187: free(msg);
1.169 nicm 2188: }
1.213 nicm 2189: }
2190:
2191: /* Get client working directory. */
2192: const char *
1.250 nicm 2193: server_client_get_cwd(struct client *c, struct session *s)
1.213 nicm 2194: {
1.250 nicm 2195: const char *home;
1.213 nicm 2196:
1.265 nicm 2197: if (!cfg_finished && cfg_client != NULL)
2198: return (cfg_client->cwd);
1.213 nicm 2199: if (c != NULL && c->session == NULL && c->cwd != NULL)
2200: return (c->cwd);
1.250 nicm 2201: if (s != NULL && s->cwd != NULL)
2202: return (s->cwd);
1.213 nicm 2203: if (c != NULL && (s = c->session) != NULL && s->cwd != NULL)
2204: return (s->cwd);
1.250 nicm 2205: if ((home = find_home()) != NULL)
2206: return (home);
2207: return ("/");
1.1 nicm 2208: }
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