Annotation of src/usr.bin/tmux/server-client.c, Revision 1.367
1.367 ! nicm 1: /* $OpenBSD: server-client.c,v 1.366 2020/12/03 07:12:11 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 *);
1.344 nicm 36: static void server_client_check_pane_focus(struct window_pane *);
37: static void server_client_check_pane_resize(struct window_pane *);
1.345 nicm 38: static void server_client_check_pane_buffer(struct window_pane *);
1.344 nicm 39: static void server_client_check_window_resize(struct window *);
1.276 nicm 40: static key_code server_client_check_mouse(struct client *, struct key_event *);
1.190 nicm 41: static void server_client_repeat_timer(int, short, void *);
1.192 nicm 42: static void server_client_click_timer(int, short, void *);
1.190 nicm 43: static void server_client_check_exit(struct client *);
44: static void server_client_check_redraw(struct client *);
1.366 nicm 45: static void server_client_check_modes(struct client *);
1.190 nicm 46: static void server_client_set_title(struct client *);
47: static void server_client_reset_state(struct client *);
48: static int server_client_assume_paste(struct session *);
49:
50: static void server_client_dispatch(struct imsg *, void *);
51: static void server_client_dispatch_command(struct client *, struct imsg *);
52: static void server_client_dispatch_identify(struct client *, struct imsg *);
53: static void server_client_dispatch_shell(struct client *);
1.300 nicm 54: static void server_client_dispatch_write_ready(struct client *,
55: struct imsg *);
56: static void server_client_dispatch_read_data(struct client *,
57: struct imsg *);
58: static void server_client_dispatch_read_done(struct client *,
59: struct imsg *);
1.233 nicm 60:
1.341 nicm 61: /* Compare client windows. */
62: static int
63: server_client_window_cmp(struct client_window *cw1,
64: struct client_window *cw2)
65: {
66: if (cw1->window < cw2->window)
67: return (-1);
68: if (cw1->window > cw2->window)
69: return (1);
70: return (0);
71: }
72: RB_GENERATE(client_windows, client_window, entry, server_client_window_cmp);
73:
1.233 nicm 74: /* Number of attached clients. */
75: u_int
76: server_client_how_many(void)
77: {
78: struct client *c;
79: u_int n;
80:
81: n = 0;
82: TAILQ_FOREACH(c, &clients, entry) {
1.352 nicm 83: if (c->session != NULL && (~c->flags & CLIENT_UNATTACHEDFLAGS))
1.233 nicm 84: n++;
85: }
86: return (n);
87: }
1.140 nicm 88:
1.281 nicm 89: /* Overlay timer callback. */
1.214 nicm 90: static void
1.281 nicm 91: server_client_overlay_timer(__unused int fd, __unused short events, void *data)
1.214 nicm 92: {
1.281 nicm 93: server_client_clear_overlay(data);
1.214 nicm 94: }
95:
1.281 nicm 96: /* Set an overlay on client. */
1.214 nicm 97: void
1.309 nicm 98: server_client_set_overlay(struct client *c, u_int delay,
99: overlay_check_cb checkcb, overlay_mode_cb modecb,
100: overlay_draw_cb drawcb, overlay_key_cb keycb, overlay_free_cb freecb,
101: void *data)
1.214 nicm 102: {
103: struct timeval tv;
104:
1.282 nicm 105: if (c->overlay_draw != NULL)
106: server_client_clear_overlay(c);
107:
1.214 nicm 108: tv.tv_sec = delay / 1000;
109: tv.tv_usec = (delay % 1000) * 1000L;
110:
1.281 nicm 111: if (event_initialized(&c->overlay_timer))
112: evtimer_del(&c->overlay_timer);
113: evtimer_set(&c->overlay_timer, server_client_overlay_timer, c);
1.242 nicm 114: if (delay != 0)
1.281 nicm 115: evtimer_add(&c->overlay_timer, &tv);
116:
1.309 nicm 117: c->overlay_check = checkcb;
118: c->overlay_mode = modecb;
1.281 nicm 119: c->overlay_draw = drawcb;
120: c->overlay_key = keycb;
121: c->overlay_free = freecb;
122: c->overlay_data = data;
1.214 nicm 123:
1.309 nicm 124: c->tty.flags |= TTY_FREEZE;
125: if (c->overlay_mode == NULL)
126: c->tty.flags |= TTY_NOCURSOR;
1.214 nicm 127: server_redraw_client(c);
128: }
129:
1.281 nicm 130: /* Clear overlay mode on client. */
1.309 nicm 131: void
1.281 nicm 132: server_client_clear_overlay(struct client *c)
1.214 nicm 133: {
1.281 nicm 134: if (c->overlay_draw == NULL)
1.214 nicm 135: return;
136:
1.281 nicm 137: if (event_initialized(&c->overlay_timer))
138: evtimer_del(&c->overlay_timer);
139:
140: if (c->overlay_free != NULL)
141: c->overlay_free(c);
142:
1.309 nicm 143: c->overlay_check = NULL;
144: c->overlay_mode = NULL;
1.281 nicm 145: c->overlay_draw = NULL;
146: c->overlay_key = NULL;
1.309 nicm 147: c->overlay_free = NULL;
148: c->overlay_data = NULL;
1.214 nicm 149:
150: c->tty.flags &= ~(TTY_FREEZE|TTY_NOCURSOR);
151: server_redraw_client(c);
152: }
153:
1.140 nicm 154: /* Check if this client is inside this server. */
155: int
156: server_client_check_nested(struct client *c)
157: {
158: struct environ_entry *envent;
159: struct window_pane *wp;
160:
1.164 nicm 161: envent = environ_find(c->environ, "TMUX");
1.140 nicm 162: if (envent == NULL || *envent->value == '\0')
163: return (0);
164:
165: RB_FOREACH(wp, window_pane_tree, &all_window_panes) {
1.216 nicm 166: if (strcmp(wp->tty, c->ttyname) == 0)
1.140 nicm 167: return (1);
168: }
169: return (0);
170: }
1.1 nicm 171:
1.132 nicm 172: /* Set client key table. */
173: void
1.178 nicm 174: server_client_set_key_table(struct client *c, const char *name)
1.132 nicm 175: {
1.178 nicm 176: if (name == NULL)
177: name = server_client_get_key_table(c);
178:
1.132 nicm 179: key_bindings_unref_table(c->keytable);
180: c->keytable = key_bindings_get_table(name, 1);
181: c->keytable->references++;
182: }
183:
1.178 nicm 184: /* Get default key table. */
185: const char *
186: server_client_get_key_table(struct client *c)
187: {
188: struct session *s = c->session;
189: const char *name;
190:
191: if (s == NULL)
192: return ("root");
193:
194: name = options_get_string(s->options, "key-table");
195: if (*name == '\0')
196: return ("root");
197: return (name);
198: }
199:
1.223 nicm 200: /* Is this table the default key table? */
201: static int
202: server_client_is_default_key_table(struct client *c, struct key_table *table)
1.191 nicm 203: {
1.223 nicm 204: return (strcmp(table->name, server_client_get_key_table(c)) == 0);
1.191 nicm 205: }
206:
1.1 nicm 207: /* Create a new client. */
1.246 nicm 208: struct client *
1.1 nicm 209: server_client_create(int fd)
210: {
211: struct client *c;
212:
1.49 nicm 213: setblocking(fd, 0);
1.1 nicm 214:
215: c = xcalloc(1, sizeof *c);
1.141 nicm 216: c->references = 1;
1.162 nicm 217: c->peer = proc_add_peer(server_proc, fd, server_client_dispatch, c);
1.25 nicm 218:
1.10 nicm 219: if (gettimeofday(&c->creation_time, NULL) != 0)
1.1 nicm 220: fatal("gettimeofday failed");
1.11 nicm 221: memcpy(&c->activity_time, &c->creation_time, sizeof c->activity_time);
1.111 nicm 222:
1.164 nicm 223: c->environ = environ_create();
1.1 nicm 224:
1.146 nicm 225: c->fd = -1;
1.351 nicm 226: c->out_fd = -1;
1.145 nicm 227:
1.316 nicm 228: c->queue = cmdq_new();
1.341 nicm 229: RB_INIT(&c->windows);
1.345 nicm 230: RB_INIT(&c->files);
1.94 nicm 231:
1.1 nicm 232: c->tty.sx = 80;
233: c->tty.sy = 24;
234:
1.271 nicm 235: status_init(c);
1.93 nicm 236: c->flags |= CLIENT_FOCUSED;
237:
1.132 nicm 238: c->keytable = key_bindings_get_table("root", 1);
239: c->keytable->references++;
240:
1.17 nicm 241: evtimer_set(&c->repeat_timer, server_client_repeat_timer, c);
1.192 nicm 242: evtimer_set(&c->click_timer, server_client_click_timer, c);
1.17 nicm 243:
1.135 nicm 244: TAILQ_INSERT_TAIL(&clients, c, entry);
1.157 nicm 245: log_debug("new client %p", c);
1.246 nicm 246: return (c);
1.72 nicm 247: }
248:
249: /* Open client terminal if needed. */
250: int
1.119 nicm 251: server_client_open(struct client *c, char **cause)
1.72 nicm 252: {
1.339 nicm 253: const char *ttynam = _PATH_TTY;
254:
1.75 nicm 255: if (c->flags & CLIENT_CONTROL)
256: return (0);
1.120 nicm 257:
1.339 nicm 258: if (strcmp(c->ttyname, ttynam) == 0||
259: ((isatty(STDIN_FILENO) &&
260: (ttynam = ttyname(STDIN_FILENO)) != NULL &&
261: strcmp(c->ttyname, ttynam) == 0) ||
262: (isatty(STDOUT_FILENO) &&
263: (ttynam = ttyname(STDOUT_FILENO)) != NULL &&
264: strcmp(c->ttyname, ttynam) == 0) ||
265: (isatty(STDERR_FILENO) &&
266: (ttynam = ttyname(STDERR_FILENO)) != NULL &&
267: strcmp(c->ttyname, ttynam) == 0))) {
268: xasprintf(cause, "can't use %s", c->ttyname);
1.120 nicm 269: return (-1);
270: }
1.75 nicm 271:
1.72 nicm 272: if (!(c->flags & CLIENT_TERMINAL)) {
1.116 nicm 273: *cause = xstrdup("not a terminal");
1.72 nicm 274: return (-1);
275: }
276:
1.119 nicm 277: if (tty_open(&c->tty, cause) != 0)
1.72 nicm 278: return (-1);
279:
280: return (0);
1.1 nicm 281: }
282:
283: /* Lost a client. */
284: void
285: server_client_lost(struct client *c)
286: {
1.340 nicm 287: struct client_file *cf, *cf1;
1.341 nicm 288: struct client_window *cw, *cw1;
1.1 nicm 289:
1.141 nicm 290: c->flags |= CLIENT_DEAD;
291:
1.281 nicm 292: server_client_clear_overlay(c);
1.141 nicm 293: status_prompt_clear(c);
294: status_message_clear(c);
295:
1.340 nicm 296: RB_FOREACH_SAFE(cf, client_files, &c->files, cf1) {
1.300 nicm 297: cf->error = EINTR;
298: file_fire_done(cf);
299: }
1.341 nicm 300: RB_FOREACH_SAFE(cw, client_windows, &c->windows, cw1) {
301: RB_REMOVE(client_windows, &c->windows, cw);
302: free(cw);
303: }
1.141 nicm 304:
1.135 nicm 305: TAILQ_REMOVE(&clients, c, entry);
1.157 nicm 306: log_debug("lost client %p", c);
1.1 nicm 307:
1.349 nicm 308: if (c->flags & CLIENT_CONTROL)
309: control_stop(c);
1.1 nicm 310: if (c->flags & CLIENT_TERMINAL)
311: tty_free(&c->tty);
1.109 nicm 312: free(c->ttyname);
1.333 nicm 313:
1.329 nicm 314: free(c->term_name);
1.333 nicm 315: free(c->term_type);
1.1 nicm 316:
1.270 nicm 317: status_free(c);
1.1 nicm 318:
1.77 nicm 319: free(c->title);
1.165 nicm 320: free((void *)c->cwd);
1.1 nicm 321:
1.17 nicm 322: evtimer_del(&c->repeat_timer);
1.192 nicm 323: evtimer_del(&c->click_timer);
1.17 nicm 324:
1.132 nicm 325: key_bindings_unref_table(c->keytable);
326:
1.77 nicm 327: free(c->message_string);
1.116 nicm 328: if (event_initialized(&c->message_timer))
1.69 nicm 329: evtimer_del(&c->message_timer);
1.1 nicm 330:
1.259 nicm 331: free(c->prompt_saved);
1.77 nicm 332: free(c->prompt_string);
333: free(c->prompt_buffer);
1.61 nicm 334:
1.228 nicm 335: format_lost_client(c);
1.164 nicm 336: environ_free(c->environ);
1.1 nicm 337:
1.162 nicm 338: proc_remove_peer(c->peer);
339: c->peer = NULL;
1.13 nicm 340:
1.351 nicm 341: if (c->out_fd != -1)
342: close(c->out_fd);
1.348 nicm 343: if (c->fd != -1) {
344: close(c->fd);
345: c->fd = -1;
346: }
1.142 nicm 347: server_client_unref(c);
1.71 nicm 348:
349: server_add_accept(0); /* may be more file descriptors now */
1.1 nicm 350:
351: recalculate_sizes();
1.41 nicm 352: server_check_unattached();
1.19 nicm 353: server_update_socket();
1.141 nicm 354: }
355:
356: /* Remove reference from a client. */
357: void
1.142 nicm 358: server_client_unref(struct client *c)
1.141 nicm 359: {
1.157 nicm 360: log_debug("unref client %p (%d references)", c, c->references);
1.141 nicm 361:
362: c->references--;
363: if (c->references == 0)
364: event_once(-1, EV_TIMEOUT, server_client_free, c, NULL);
365: }
366:
367: /* Free dead client. */
1.190 nicm 368: static void
1.170 nicm 369: server_client_free(__unused int fd, __unused short events, void *arg)
1.141 nicm 370: {
371: struct client *c = arg;
372:
1.157 nicm 373: log_debug("free client %p (%d references)", c, c->references);
1.141 nicm 374:
1.316 nicm 375: cmdq_free(c->queue);
1.194 nicm 376:
1.216 nicm 377: if (c->references == 0) {
378: free((void *)c->name);
1.141 nicm 379: free(c);
1.216 nicm 380: }
1.9 nicm 381: }
382:
1.220 nicm 383: /* Suspend a client. */
384: void
385: server_client_suspend(struct client *c)
386: {
1.232 nicm 387: struct session *s = c->session;
1.220 nicm 388:
1.352 nicm 389: if (s == NULL || (c->flags & CLIENT_UNATTACHEDFLAGS))
1.220 nicm 390: return;
391:
392: tty_stop_tty(&c->tty);
393: c->flags |= CLIENT_SUSPENDED;
394: proc_send(c->peer, MSG_SUSPEND, -1, NULL, 0);
395: }
396:
1.174 nicm 397: /* Detach a client. */
398: void
399: server_client_detach(struct client *c, enum msgtype msgtype)
400: {
1.232 nicm 401: struct session *s = c->session;
1.174 nicm 402:
1.352 nicm 403: if (s == NULL || (c->flags & CLIENT_UNATTACHEDFLAGS))
1.174 nicm 404: return;
405:
1.352 nicm 406: c->flags |= CLIENT_EXIT;
407:
408: c->exit_type = CLIENT_EXIT_DETACH;
409: c->exit_msgtype = msgtype;
410: c->exit_session = xstrdup(s->name);
1.207 nicm 411: }
412:
1.208 nicm 413: /* Execute command to replace a client. */
1.207 nicm 414: void
415: server_client_exec(struct client *c, const char *cmd)
416: {
417: struct session *s = c->session;
1.208 nicm 418: char *msg;
419: const char *shell;
1.207 nicm 420: size_t cmdsize, shellsize;
421:
422: if (*cmd == '\0')
423: return;
424: cmdsize = strlen(cmd) + 1;
425:
426: if (s != NULL)
427: shell = options_get_string(s->options, "default-shell");
428: else
429: shell = options_get_string(global_s_options, "default-shell");
1.308 nicm 430: if (!checkshell(shell))
431: shell = _PATH_BSHELL;
1.207 nicm 432: shellsize = strlen(shell) + 1;
433:
434: msg = xmalloc(cmdsize + shellsize);
435: memcpy(msg, cmd, cmdsize);
436: memcpy(msg + cmdsize, shell, shellsize);
437:
438: proc_send(c->peer, MSG_EXEC, -1, msg, cmdsize + shellsize);
439: free(msg);
1.174 nicm 440: }
441:
1.66 nicm 442: /* Check for mouse keys. */
1.190 nicm 443: static key_code
1.276 nicm 444: server_client_check_mouse(struct client *c, struct key_event *event)
1.66 nicm 445: {
1.276 nicm 446: struct mouse_event *m = &event->m;
1.192 nicm 447: struct session *s = c->session;
1.272 nicm 448: struct winlink *wl;
1.192 nicm 449: struct window_pane *wp;
1.261 nicm 450: u_int x, y, b, sx, sy, px, py;
1.307 nicm 451: int ignore = 0;
1.192 nicm 452: key_code key;
453: struct timeval tv;
1.272 nicm 454: struct style_range *sr;
1.283 nicm 455: enum { NOTYPE,
456: MOVE,
457: DOWN,
458: UP,
459: DRAG,
460: WHEEL,
1.311 nicm 461: SECOND,
1.283 nicm 462: DOUBLE,
463: TRIPLE } type = NOTYPE;
1.276 nicm 464: enum { NOWHERE,
465: PANE,
466: STATUS,
467: STATUS_LEFT,
468: STATUS_RIGHT,
469: STATUS_DEFAULT,
1.283 nicm 470: BORDER } where = NOWHERE;
1.131 nicm 471:
1.261 nicm 472: log_debug("%s mouse %02x at %u,%u (last %u,%u) (%d)", c->name, m->b,
473: m->x, m->y, m->lx, m->ly, c->tty.mouse_drag_flag);
1.131 nicm 474:
475: /* What type of event is this? */
1.306 nicm 476: if (event->key == KEYC_DOUBLECLICK) {
477: type = DOUBLE;
478: x = m->x, y = m->y, b = m->b;
1.307 nicm 479: ignore = 1;
1.306 nicm 480: log_debug("double-click at %u,%u", x, y);
481: } else if ((m->sgr_type != ' ' &&
1.209 nicm 482: MOUSE_DRAG(m->sgr_b) &&
483: MOUSE_BUTTONS(m->sgr_b) == 3) ||
484: (m->sgr_type == ' ' &&
485: MOUSE_DRAG(m->b) &&
486: MOUSE_BUTTONS(m->b) == 3 &&
487: MOUSE_BUTTONS(m->lb) == 3)) {
488: type = MOVE;
489: x = m->x, y = m->y, b = 0;
490: log_debug("move at %u,%u", x, y);
491: } else if (MOUSE_DRAG(m->b)) {
1.131 nicm 492: type = DRAG;
493: if (c->tty.mouse_drag_flag) {
494: x = m->x, y = m->y, b = m->b;
1.278 nicm 495: if (x == m->lx && y == m->ly)
496: return (KEYC_UNKNOWN);
1.131 nicm 497: log_debug("drag update at %u,%u", x, y);
498: } else {
1.277 nicm 499: x = m->lx, y = m->ly, b = m->lb;
1.131 nicm 500: log_debug("drag start at %u,%u", x, y);
501: }
502: } else if (MOUSE_WHEEL(m->b)) {
503: type = WHEEL;
504: x = m->x, y = m->y, b = m->b;
505: log_debug("wheel at %u,%u", x, y);
1.200 nicm 506: } else if (MOUSE_RELEASE(m->b)) {
1.131 nicm 507: type = UP;
508: x = m->x, y = m->y, b = m->lb;
509: log_debug("up at %u,%u", x, y);
510: } else {
1.192 nicm 511: if (c->flags & CLIENT_DOUBLECLICK) {
512: evtimer_del(&c->click_timer);
513: c->flags &= ~CLIENT_DOUBLECLICK;
514: if (m->b == c->click_button) {
1.311 nicm 515: type = SECOND;
516: x = m->x, y = m->y, b = m->b;
517: log_debug("second-click at %u,%u", x, y);
1.306 nicm 518: c->flags |= CLIENT_TRIPLECLICK;
1.192 nicm 519: }
520: } else if (c->flags & CLIENT_TRIPLECLICK) {
521: evtimer_del(&c->click_timer);
522: c->flags &= ~CLIENT_TRIPLECLICK;
523: if (m->b == c->click_button) {
524: type = TRIPLE;
525: x = m->x, y = m->y, b = m->b;
526: log_debug("triple-click at %u,%u", x, y);
527: goto have_event;
528: }
1.311 nicm 529: } else {
530: type = DOWN;
531: x = m->x, y = m->y, b = m->b;
532: log_debug("down at %u,%u", x, y);
1.307 nicm 533: c->flags |= CLIENT_DOUBLECLICK;
1.311 nicm 534: }
1.192 nicm 535:
536: if (KEYC_CLICK_TIMEOUT != 0) {
1.306 nicm 537: memcpy(&c->click_event, m, sizeof c->click_event);
1.192 nicm 538: c->click_button = m->b;
539:
1.312 nicm 540: log_debug("click timer started");
1.192 nicm 541: tv.tv_sec = KEYC_CLICK_TIMEOUT / 1000;
542: tv.tv_usec = (KEYC_CLICK_TIMEOUT % 1000) * 1000L;
543: evtimer_del(&c->click_timer);
544: evtimer_add(&c->click_timer, &tv);
545: }
1.131 nicm 546: }
1.192 nicm 547:
548: have_event:
1.131 nicm 549: if (type == NOTYPE)
1.177 nicm 550: return (KEYC_UNKNOWN);
1.131 nicm 551:
1.258 nicm 552: /* Save the session. */
1.131 nicm 553: m->s = s->id;
1.258 nicm 554: m->w = -1;
1.307 nicm 555: m->ignore = ignore;
1.131 nicm 556:
557: /* Is this on the status line? */
558: m->statusat = status_at_line(c);
1.292 nicm 559: m->statuslines = status_line_size(c);
1.272 nicm 560: if (m->statusat != -1 &&
561: y >= (u_int)m->statusat &&
1.292 nicm 562: y < m->statusat + m->statuslines) {
1.272 nicm 563: sr = status_get_range(c, x, y - m->statusat);
1.274 nicm 564: if (sr == NULL) {
565: where = STATUS_DEFAULT;
566: } else {
567: switch (sr->type) {
568: case STYLE_RANGE_NONE:
1.273 nicm 569: return (KEYC_UNKNOWN);
1.274 nicm 570: case STYLE_RANGE_LEFT:
571: where = STATUS_LEFT;
572: break;
573: case STYLE_RANGE_RIGHT:
574: where = STATUS_RIGHT;
575: break;
576: case STYLE_RANGE_WINDOW:
1.298 nicm 577: wl = winlink_find_by_index(&s->windows,
578: sr->argument);
1.274 nicm 579: if (wl == NULL)
580: return (KEYC_UNKNOWN);
581: m->w = wl->window->id;
1.273 nicm 582:
1.274 nicm 583: where = STATUS;
584: break;
585: }
1.258 nicm 586: }
587: }
1.131 nicm 588:
589: /* Not on status line. Adjust position and check for border or pane. */
590: if (where == NOWHERE) {
1.261 nicm 591: px = x;
1.292 nicm 592: if (m->statusat == 0 && y >= m->statuslines)
593: py = y - m->statuslines;
1.131 nicm 594: else if (m->statusat > 0 && y >= (u_int)m->statusat)
1.261 nicm 595: py = m->statusat - 1;
596: else
597: py = y;
598:
599: tty_window_offset(&c->tty, &m->ox, &m->oy, &sx, &sy);
600: log_debug("mouse window @%u at %u,%u (%ux%u)",
601: s->curw->window->id, m->ox, m->oy, sx, sy);
602: if (px > sx || py > sy)
603: return (KEYC_UNKNOWN);
604: px = px + m->ox;
605: py = py + m->oy;
1.131 nicm 606:
1.260 nicm 607: /* Try the pane borders if not zoomed. */
608: if (~s->curw->window->flags & WINDOW_ZOOMED) {
609: TAILQ_FOREACH(wp, &s->curw->window->panes, entry) {
1.261 nicm 610: if ((wp->xoff + wp->sx == px &&
611: wp->yoff <= 1 + py &&
612: wp->yoff + wp->sy >= py) ||
613: (wp->yoff + wp->sy == py &&
614: wp->xoff <= 1 + px &&
615: wp->xoff + wp->sx >= px))
1.260 nicm 616: break;
617: }
618: if (wp != NULL)
619: where = BORDER;
1.131 nicm 620: }
1.260 nicm 621:
622: /* Otherwise try inside the pane. */
623: if (where == NOWHERE) {
1.261 nicm 624: wp = window_get_active_at(s->curw->window, px, py);
1.260 nicm 625: if (wp != NULL)
1.131 nicm 626: where = PANE;
1.315 nicm 627: else
628: return (KEYC_UNKNOWN);
1.131 nicm 629: }
1.260 nicm 630: if (where == PANE)
631: log_debug("mouse %u,%u on pane %%%u", x, y, wp->id);
632: else if (where == BORDER)
633: log_debug("mouse on pane %%%u border", wp->id);
1.131 nicm 634: m->wp = wp->id;
635: m->w = wp->window->id;
636: } else
637: m->wp = -1;
638:
639: /* Stop dragging if needed. */
1.200 nicm 640: if (type != DRAG && type != WHEEL && c->tty.mouse_drag_flag) {
1.131 nicm 641: if (c->tty.mouse_drag_release != NULL)
642: c->tty.mouse_drag_release(c, m);
643:
644: c->tty.mouse_drag_update = NULL;
645: c->tty.mouse_drag_release = NULL;
646:
1.182 nicm 647: /*
1.183 nicm 648: * End a mouse drag by passing a MouseDragEnd key corresponding
649: * to the button that started the drag.
1.182 nicm 650: */
651: switch (c->tty.mouse_drag_flag) {
652: case 1:
653: if (where == PANE)
1.183 nicm 654: key = KEYC_MOUSEDRAGEND1_PANE;
1.182 nicm 655: if (where == STATUS)
1.183 nicm 656: key = KEYC_MOUSEDRAGEND1_STATUS;
1.258 nicm 657: if (where == STATUS_LEFT)
658: key = KEYC_MOUSEDRAGEND1_STATUS_LEFT;
659: if (where == STATUS_RIGHT)
660: key = KEYC_MOUSEDRAGEND1_STATUS_RIGHT;
1.274 nicm 661: if (where == STATUS_DEFAULT)
662: key = KEYC_MOUSEDRAGEND1_STATUS_DEFAULT;
1.182 nicm 663: if (where == BORDER)
1.183 nicm 664: key = KEYC_MOUSEDRAGEND1_BORDER;
1.182 nicm 665: break;
666: case 2:
667: if (where == PANE)
1.183 nicm 668: key = KEYC_MOUSEDRAGEND2_PANE;
1.182 nicm 669: if (where == STATUS)
1.183 nicm 670: key = KEYC_MOUSEDRAGEND2_STATUS;
1.258 nicm 671: if (where == STATUS_LEFT)
672: key = KEYC_MOUSEDRAGEND2_STATUS_LEFT;
673: if (where == STATUS_RIGHT)
674: key = KEYC_MOUSEDRAGEND2_STATUS_RIGHT;
1.274 nicm 675: if (where == STATUS_DEFAULT)
676: key = KEYC_MOUSEDRAGEND2_STATUS_DEFAULT;
1.182 nicm 677: if (where == BORDER)
1.183 nicm 678: key = KEYC_MOUSEDRAGEND2_BORDER;
1.182 nicm 679: break;
680: case 3:
681: if (where == PANE)
1.183 nicm 682: key = KEYC_MOUSEDRAGEND3_PANE;
1.182 nicm 683: if (where == STATUS)
1.183 nicm 684: key = KEYC_MOUSEDRAGEND3_STATUS;
1.258 nicm 685: if (where == STATUS_LEFT)
686: key = KEYC_MOUSEDRAGEND3_STATUS_LEFT;
687: if (where == STATUS_RIGHT)
688: key = KEYC_MOUSEDRAGEND3_STATUS_RIGHT;
1.274 nicm 689: if (where == STATUS_DEFAULT)
690: key = KEYC_MOUSEDRAGEND3_STATUS_DEFAULT;
1.182 nicm 691: if (where == BORDER)
1.183 nicm 692: key = KEYC_MOUSEDRAGEND3_BORDER;
1.182 nicm 693: break;
694: default:
695: key = KEYC_MOUSE;
696: break;
697: }
1.131 nicm 698: c->tty.mouse_drag_flag = 0;
1.305 nicm 699: goto out;
1.131 nicm 700: }
701:
702: /* Convert to a key binding. */
1.177 nicm 703: key = KEYC_UNKNOWN;
1.131 nicm 704: switch (type) {
705: case NOTYPE:
706: break;
1.209 nicm 707: case MOVE:
708: if (where == PANE)
709: key = KEYC_MOUSEMOVE_PANE;
710: if (where == STATUS)
711: key = KEYC_MOUSEMOVE_STATUS;
1.274 nicm 712: if (where == STATUS_LEFT)
713: key = KEYC_MOUSEMOVE_STATUS_LEFT;
714: if (where == STATUS_RIGHT)
715: key = KEYC_MOUSEMOVE_STATUS_RIGHT;
716: if (where == STATUS_DEFAULT)
717: key = KEYC_MOUSEMOVE_STATUS_DEFAULT;
1.209 nicm 718: if (where == BORDER)
719: key = KEYC_MOUSEMOVE_BORDER;
720: break;
1.131 nicm 721: case DRAG:
1.204 nicm 722: if (c->tty.mouse_drag_update != NULL)
723: key = KEYC_DRAGGING;
724: else {
1.131 nicm 725: switch (MOUSE_BUTTONS(b)) {
726: case 0:
727: if (where == PANE)
728: key = KEYC_MOUSEDRAG1_PANE;
729: if (where == STATUS)
730: key = KEYC_MOUSEDRAG1_STATUS;
1.258 nicm 731: if (where == STATUS_LEFT)
732: key = KEYC_MOUSEDRAG1_STATUS_LEFT;
733: if (where == STATUS_RIGHT)
734: key = KEYC_MOUSEDRAG1_STATUS_RIGHT;
1.274 nicm 735: if (where == STATUS_DEFAULT)
736: key = KEYC_MOUSEDRAG1_STATUS_DEFAULT;
1.131 nicm 737: if (where == BORDER)
738: key = KEYC_MOUSEDRAG1_BORDER;
739: break;
740: case 1:
741: if (where == PANE)
742: key = KEYC_MOUSEDRAG2_PANE;
743: if (where == STATUS)
744: key = KEYC_MOUSEDRAG2_STATUS;
1.258 nicm 745: if (where == STATUS_LEFT)
746: key = KEYC_MOUSEDRAG2_STATUS_LEFT;
747: if (where == STATUS_RIGHT)
748: key = KEYC_MOUSEDRAG2_STATUS_RIGHT;
1.274 nicm 749: if (where == STATUS_DEFAULT)
750: key = KEYC_MOUSEDRAG2_STATUS_DEFAULT;
1.131 nicm 751: if (where == BORDER)
752: key = KEYC_MOUSEDRAG2_BORDER;
753: break;
754: case 2:
755: if (where == PANE)
756: key = KEYC_MOUSEDRAG3_PANE;
757: if (where == STATUS)
758: key = KEYC_MOUSEDRAG3_STATUS;
1.258 nicm 759: if (where == STATUS_LEFT)
760: key = KEYC_MOUSEDRAG3_STATUS_LEFT;
761: if (where == STATUS_RIGHT)
762: key = KEYC_MOUSEDRAG3_STATUS_RIGHT;
1.274 nicm 763: if (where == STATUS_DEFAULT)
764: key = KEYC_MOUSEDRAG3_STATUS_DEFAULT;
1.131 nicm 765: if (where == BORDER)
766: key = KEYC_MOUSEDRAG3_BORDER;
767: break;
768: }
769: }
1.66 nicm 770:
1.182 nicm 771: /*
772: * Begin a drag by setting the flag to a non-zero value that
773: * corresponds to the mouse button in use.
774: */
775: c->tty.mouse_drag_flag = MOUSE_BUTTONS(b) + 1;
1.131 nicm 776: break;
777: case WHEEL:
778: if (MOUSE_BUTTONS(b) == MOUSE_WHEEL_UP) {
779: if (where == PANE)
780: key = KEYC_WHEELUP_PANE;
781: if (where == STATUS)
782: key = KEYC_WHEELUP_STATUS;
1.258 nicm 783: if (where == STATUS_LEFT)
784: key = KEYC_WHEELUP_STATUS_LEFT;
785: if (where == STATUS_RIGHT)
786: key = KEYC_WHEELUP_STATUS_RIGHT;
1.274 nicm 787: if (where == STATUS_DEFAULT)
788: key = KEYC_WHEELUP_STATUS_DEFAULT;
1.131 nicm 789: if (where == BORDER)
790: key = KEYC_WHEELUP_BORDER;
791: } else {
792: if (where == PANE)
793: key = KEYC_WHEELDOWN_PANE;
794: if (where == STATUS)
795: key = KEYC_WHEELDOWN_STATUS;
1.274 nicm 796: if (where == STATUS_LEFT)
797: key = KEYC_WHEELDOWN_STATUS_LEFT;
798: if (where == STATUS_RIGHT)
799: key = KEYC_WHEELDOWN_STATUS_RIGHT;
800: if (where == STATUS_DEFAULT)
801: key = KEYC_WHEELDOWN_STATUS_DEFAULT;
1.131 nicm 802: if (where == BORDER)
803: key = KEYC_WHEELDOWN_BORDER;
804: }
805: break;
806: case UP:
807: switch (MOUSE_BUTTONS(b)) {
808: case 0:
809: if (where == PANE)
810: key = KEYC_MOUSEUP1_PANE;
811: if (where == STATUS)
812: key = KEYC_MOUSEUP1_STATUS;
1.258 nicm 813: if (where == STATUS_LEFT)
814: key = KEYC_MOUSEUP1_STATUS_LEFT;
815: if (where == STATUS_RIGHT)
816: key = KEYC_MOUSEUP1_STATUS_RIGHT;
1.274 nicm 817: if (where == STATUS_DEFAULT)
818: key = KEYC_MOUSEUP1_STATUS_DEFAULT;
1.131 nicm 819: if (where == BORDER)
820: key = KEYC_MOUSEUP1_BORDER;
821: break;
822: case 1:
823: if (where == PANE)
824: key = KEYC_MOUSEUP2_PANE;
825: if (where == STATUS)
826: key = KEYC_MOUSEUP2_STATUS;
1.258 nicm 827: if (where == STATUS_LEFT)
828: key = KEYC_MOUSEUP2_STATUS_LEFT;
829: if (where == STATUS_RIGHT)
830: key = KEYC_MOUSEUP2_STATUS_RIGHT;
1.274 nicm 831: if (where == STATUS_DEFAULT)
832: key = KEYC_MOUSEUP2_STATUS_DEFAULT;
1.131 nicm 833: if (where == BORDER)
834: key = KEYC_MOUSEUP2_BORDER;
835: break;
836: case 2:
837: if (where == PANE)
838: key = KEYC_MOUSEUP3_PANE;
839: if (where == STATUS)
840: key = KEYC_MOUSEUP3_STATUS;
1.258 nicm 841: if (where == STATUS_LEFT)
842: key = KEYC_MOUSEUP3_STATUS_LEFT;
843: if (where == STATUS_RIGHT)
844: key = KEYC_MOUSEUP3_STATUS_RIGHT;
1.274 nicm 845: if (where == STATUS_DEFAULT)
846: key = KEYC_MOUSEUP3_STATUS_DEFAULT;
1.131 nicm 847: if (where == BORDER)
848: key = KEYC_MOUSEUP3_BORDER;
849: break;
850: }
851: break;
852: case DOWN:
853: switch (MOUSE_BUTTONS(b)) {
854: case 0:
855: if (where == PANE)
856: key = KEYC_MOUSEDOWN1_PANE;
857: if (where == STATUS)
858: key = KEYC_MOUSEDOWN1_STATUS;
1.258 nicm 859: if (where == STATUS_LEFT)
860: key = KEYC_MOUSEDOWN1_STATUS_LEFT;
861: if (where == STATUS_RIGHT)
862: key = KEYC_MOUSEDOWN1_STATUS_RIGHT;
1.274 nicm 863: if (where == STATUS_DEFAULT)
864: key = KEYC_MOUSEDOWN1_STATUS_DEFAULT;
1.131 nicm 865: if (where == BORDER)
866: key = KEYC_MOUSEDOWN1_BORDER;
867: break;
868: case 1:
869: if (where == PANE)
870: key = KEYC_MOUSEDOWN2_PANE;
871: if (where == STATUS)
872: key = KEYC_MOUSEDOWN2_STATUS;
1.258 nicm 873: if (where == STATUS_LEFT)
874: key = KEYC_MOUSEDOWN2_STATUS_LEFT;
875: if (where == STATUS_RIGHT)
876: key = KEYC_MOUSEDOWN2_STATUS_RIGHT;
1.274 nicm 877: if (where == STATUS_DEFAULT)
878: key = KEYC_MOUSEDOWN2_STATUS_DEFAULT;
1.131 nicm 879: if (where == BORDER)
880: key = KEYC_MOUSEDOWN2_BORDER;
881: break;
882: case 2:
883: if (where == PANE)
884: key = KEYC_MOUSEDOWN3_PANE;
885: if (where == STATUS)
886: key = KEYC_MOUSEDOWN3_STATUS;
1.258 nicm 887: if (where == STATUS_LEFT)
888: key = KEYC_MOUSEDOWN3_STATUS_LEFT;
889: if (where == STATUS_RIGHT)
890: key = KEYC_MOUSEDOWN3_STATUS_RIGHT;
1.274 nicm 891: if (where == STATUS_DEFAULT)
892: key = KEYC_MOUSEDOWN3_STATUS_DEFAULT;
1.131 nicm 893: if (where == BORDER)
894: key = KEYC_MOUSEDOWN3_BORDER;
1.311 nicm 895: break;
896: }
897: break;
898: case SECOND:
899: switch (MOUSE_BUTTONS(b)) {
900: case 0:
901: if (where == PANE)
902: key = KEYC_SECONDCLICK1_PANE;
903: if (where == STATUS)
904: key = KEYC_SECONDCLICK1_STATUS;
905: if (where == STATUS_LEFT)
906: key = KEYC_SECONDCLICK1_STATUS_LEFT;
907: if (where == STATUS_RIGHT)
908: key = KEYC_SECONDCLICK1_STATUS_RIGHT;
909: if (where == STATUS_DEFAULT)
910: key = KEYC_SECONDCLICK1_STATUS_DEFAULT;
911: if (where == BORDER)
912: key = KEYC_SECONDCLICK1_BORDER;
913: break;
914: case 1:
915: if (where == PANE)
916: key = KEYC_SECONDCLICK2_PANE;
917: if (where == STATUS)
918: key = KEYC_SECONDCLICK2_STATUS;
919: if (where == STATUS_LEFT)
920: key = KEYC_SECONDCLICK2_STATUS_LEFT;
921: if (where == STATUS_RIGHT)
922: key = KEYC_SECONDCLICK2_STATUS_RIGHT;
923: if (where == STATUS_DEFAULT)
924: key = KEYC_SECONDCLICK2_STATUS_DEFAULT;
925: if (where == BORDER)
926: key = KEYC_SECONDCLICK2_BORDER;
927: break;
928: case 2:
929: if (where == PANE)
930: key = KEYC_SECONDCLICK3_PANE;
931: if (where == STATUS)
932: key = KEYC_SECONDCLICK3_STATUS;
933: if (where == STATUS_LEFT)
934: key = KEYC_SECONDCLICK3_STATUS_LEFT;
935: if (where == STATUS_RIGHT)
936: key = KEYC_SECONDCLICK3_STATUS_RIGHT;
937: if (where == STATUS_DEFAULT)
938: key = KEYC_SECONDCLICK3_STATUS_DEFAULT;
939: if (where == BORDER)
940: key = KEYC_SECONDCLICK3_BORDER;
1.131 nicm 941: break;
1.66 nicm 942: }
1.131 nicm 943: break;
1.192 nicm 944: case DOUBLE:
945: switch (MOUSE_BUTTONS(b)) {
946: case 0:
947: if (where == PANE)
948: key = KEYC_DOUBLECLICK1_PANE;
949: if (where == STATUS)
950: key = KEYC_DOUBLECLICK1_STATUS;
1.258 nicm 951: if (where == STATUS_LEFT)
952: key = KEYC_DOUBLECLICK1_STATUS_LEFT;
953: if (where == STATUS_RIGHT)
954: key = KEYC_DOUBLECLICK1_STATUS_RIGHT;
1.274 nicm 955: if (where == STATUS_DEFAULT)
956: key = KEYC_DOUBLECLICK1_STATUS_DEFAULT;
1.192 nicm 957: if (where == BORDER)
958: key = KEYC_DOUBLECLICK1_BORDER;
959: break;
960: case 1:
961: if (where == PANE)
962: key = KEYC_DOUBLECLICK2_PANE;
963: if (where == STATUS)
964: key = KEYC_DOUBLECLICK2_STATUS;
1.258 nicm 965: if (where == STATUS_LEFT)
966: key = KEYC_DOUBLECLICK2_STATUS_LEFT;
967: if (where == STATUS_RIGHT)
968: key = KEYC_DOUBLECLICK2_STATUS_RIGHT;
1.274 nicm 969: if (where == STATUS_DEFAULT)
970: key = KEYC_DOUBLECLICK2_STATUS_DEFAULT;
1.192 nicm 971: if (where == BORDER)
972: key = KEYC_DOUBLECLICK2_BORDER;
973: break;
974: case 2:
975: if (where == PANE)
976: key = KEYC_DOUBLECLICK3_PANE;
977: if (where == STATUS)
978: key = KEYC_DOUBLECLICK3_STATUS;
1.258 nicm 979: if (where == STATUS_LEFT)
980: key = KEYC_DOUBLECLICK3_STATUS_LEFT;
981: if (where == STATUS_RIGHT)
982: key = KEYC_DOUBLECLICK3_STATUS_RIGHT;
1.274 nicm 983: if (where == STATUS_DEFAULT)
984: key = KEYC_DOUBLECLICK3_STATUS_DEFAULT;
1.192 nicm 985: if (where == BORDER)
986: key = KEYC_DOUBLECLICK3_BORDER;
987: break;
988: }
989: break;
990: case TRIPLE:
991: switch (MOUSE_BUTTONS(b)) {
992: case 0:
993: if (where == PANE)
994: key = KEYC_TRIPLECLICK1_PANE;
995: if (where == STATUS)
996: key = KEYC_TRIPLECLICK1_STATUS;
1.258 nicm 997: if (where == STATUS_LEFT)
998: key = KEYC_TRIPLECLICK1_STATUS_LEFT;
999: if (where == STATUS_RIGHT)
1000: key = KEYC_TRIPLECLICK1_STATUS_RIGHT;
1.274 nicm 1001: if (where == STATUS_DEFAULT)
1002: key = KEYC_TRIPLECLICK1_STATUS_DEFAULT;
1.192 nicm 1003: if (where == BORDER)
1004: key = KEYC_TRIPLECLICK1_BORDER;
1005: break;
1006: case 1:
1007: if (where == PANE)
1008: key = KEYC_TRIPLECLICK2_PANE;
1009: if (where == STATUS)
1010: key = KEYC_TRIPLECLICK2_STATUS;
1.258 nicm 1011: if (where == STATUS_LEFT)
1012: key = KEYC_TRIPLECLICK2_STATUS_LEFT;
1013: if (where == STATUS_RIGHT)
1014: key = KEYC_TRIPLECLICK2_STATUS_RIGHT;
1.274 nicm 1015: if (where == STATUS_DEFAULT)
1016: key = KEYC_TRIPLECLICK2_STATUS_DEFAULT;
1.192 nicm 1017: if (where == BORDER)
1018: key = KEYC_TRIPLECLICK2_BORDER;
1019: break;
1020: case 2:
1021: if (where == PANE)
1022: key = KEYC_TRIPLECLICK3_PANE;
1023: if (where == STATUS)
1024: key = KEYC_TRIPLECLICK3_STATUS;
1.258 nicm 1025: if (where == STATUS_LEFT)
1026: key = KEYC_TRIPLECLICK3_STATUS_LEFT;
1027: if (where == STATUS_RIGHT)
1028: key = KEYC_TRIPLECLICK3_STATUS_RIGHT;
1.274 nicm 1029: if (where == STATUS_DEFAULT)
1030: key = KEYC_TRIPLECLICK3_STATUS_DEFAULT;
1.192 nicm 1031: if (where == BORDER)
1032: key = KEYC_TRIPLECLICK3_BORDER;
1033: break;
1034: }
1035: break;
1.66 nicm 1036: }
1.177 nicm 1037: if (key == KEYC_UNKNOWN)
1038: return (KEYC_UNKNOWN);
1.66 nicm 1039:
1.305 nicm 1040: out:
1.131 nicm 1041: /* Apply modifiers if any. */
1042: if (b & MOUSE_MASK_META)
1.342 nicm 1043: key |= KEYC_META;
1.131 nicm 1044: if (b & MOUSE_MASK_CTRL)
1045: key |= KEYC_CTRL;
1046: if (b & MOUSE_MASK_SHIFT)
1047: key |= KEYC_SHIFT;
1.66 nicm 1048:
1.305 nicm 1049: if (log_get_level() != 0)
1.343 nicm 1050: log_debug("mouse key is %s", key_string_lookup_key (key, 1));
1.131 nicm 1051: return (key);
1.66 nicm 1052: }
1053:
1.82 nicm 1054: /* Is this fast enough to probably be a paste? */
1.190 nicm 1055: static int
1.82 nicm 1056: server_client_assume_paste(struct session *s)
1057: {
1058: struct timeval tv;
1.84 nicm 1059: int t;
1.82 nicm 1060:
1.163 nicm 1061: if ((t = options_get_number(s->options, "assume-paste-time")) == 0)
1.83 nicm 1062: return (0);
1.82 nicm 1063:
1064: timersub(&s->activity_time, &s->last_activity_time, &tv);
1.171 nicm 1065: if (tv.tv_sec == 0 && tv.tv_usec < t * 1000) {
1066: log_debug("session %s pasting (flag %d)", s->name,
1067: !!(s->flags & SESSION_PASTING));
1068: if (s->flags & SESSION_PASTING)
1069: return (1);
1070: s->flags |= SESSION_PASTING;
1071: return (0);
1072: }
1073: log_debug("session %s not pasting", s->name);
1074: s->flags &= ~SESSION_PASTING;
1.83 nicm 1075: return (0);
1.82 nicm 1076: }
1077:
1.295 nicm 1078: /* Has the latest client changed? */
1079: static void
1080: server_client_update_latest(struct client *c)
1081: {
1082: struct window *w;
1083:
1084: if (c->session == NULL)
1085: return;
1086: w = c->session->curw->window;
1087:
1088: if (w->latest == c)
1089: return;
1090: w->latest = c;
1091:
1092: if (options_get_number(w->options, "window-size") == WINDOW_SIZE_LATEST)
1.355 nicm 1093: recalculate_size(w, 0);
1.295 nicm 1094: }
1095:
1.276 nicm 1096: /*
1097: * Handle data key input from client. This owns and can modify the key event it
1098: * is given and is responsible for freeing it.
1099: */
1.280 nicm 1100: static enum cmd_retval
1.276 nicm 1101: server_client_key_callback(struct cmdq_item *item, void *data)
1.18 nicm 1102: {
1.316 nicm 1103: struct client *c = cmdq_get_client(item);
1.276 nicm 1104: struct key_event *event = data;
1105: key_code key = event->key;
1106: struct mouse_event *m = &event->m;
1.267 nicm 1107: struct session *s = c->session;
1108: struct winlink *wl;
1109: struct window_pane *wp;
1110: struct window_mode_entry *wme;
1111: struct timeval tv;
1112: struct key_table *table, *first;
1113: struct key_binding *bd;
1114: int xtimeout, flags;
1115: struct cmd_find_state fs;
1116: key_code key0;
1.18 nicm 1117:
1118: /* Check the client is good to accept input. */
1.303 nicm 1119: if (s == NULL || (c->flags & CLIENT_UNATTACHEDFLAGS))
1.276 nicm 1120: goto out;
1.264 nicm 1121: wl = s->curw;
1.18 nicm 1122:
1123: /* Update the activity timer. */
1124: if (gettimeofday(&c->activity_time, NULL) != 0)
1125: fatal("gettimeofday failed");
1.149 nicm 1126: session_update_activity(s, &c->activity_time);
1.18 nicm 1127:
1128: /* Check for mouse keys. */
1.204 nicm 1129: m->valid = 0;
1.306 nicm 1130: if (key == KEYC_MOUSE || key == KEYC_DOUBLECLICK) {
1.30 nicm 1131: if (c->flags & CLIENT_READONLY)
1.276 nicm 1132: goto out;
1133: key = server_client_check_mouse(c, event);
1.177 nicm 1134: if (key == KEYC_UNKNOWN)
1.276 nicm 1135: goto out;
1.131 nicm 1136:
1137: m->valid = 1;
1138: m->key = key;
1.203 nicm 1139:
1140: /*
1.204 nicm 1141: * Mouse drag is in progress, so fire the callback (now that
1142: * the mouse event is valid).
1.203 nicm 1143: */
1.305 nicm 1144: if ((key & KEYC_MASK_KEY) == KEYC_DRAGGING) {
1.204 nicm 1145: c->tty.mouse_drag_update(c, m);
1.276 nicm 1146: goto out;
1.204 nicm 1147: }
1.338 nicm 1148: event->key = key;
1.276 nicm 1149: }
1.18 nicm 1150:
1.202 nicm 1151: /* Find affected pane. */
1.243 nicm 1152: if (!KEYC_IS_MOUSE(key) || cmd_find_from_mouse(&fs, m, 0) != 0)
1.341 nicm 1153: cmd_find_from_client(&fs, c, 0);
1.227 nicm 1154: wp = fs.wp;
1.202 nicm 1155:
1156: /* Forward mouse keys if disabled. */
1.206 nicm 1157: if (KEYC_IS_MOUSE(key) && !options_get_number(s->options, "mouse"))
1.253 nicm 1158: goto forward_key;
1.202 nicm 1159:
1.132 nicm 1160: /* Treat everything as a regular key when pasting is detected. */
1.161 nicm 1161: if (!KEYC_IS_MOUSE(key) && server_client_assume_paste(s))
1.253 nicm 1162: goto forward_key;
1.18 nicm 1163:
1.191 nicm 1164: /*
1165: * Work out the current key table. If the pane is in a mode, use
1166: * the mode table instead of the default key table.
1167: */
1.223 nicm 1168: if (server_client_is_default_key_table(c, c->keytable) &&
1169: wp != NULL &&
1.267 nicm 1170: (wme = TAILQ_FIRST(&wp->modes)) != NULL &&
1171: wme->mode->key_table != NULL)
1172: table = key_bindings_get_table(wme->mode->key_table(wme), 1);
1.223 nicm 1173: else
1.191 nicm 1174: table = c->keytable;
1.223 nicm 1175: first = table;
1.191 nicm 1176:
1.253 nicm 1177: table_changed:
1.205 nicm 1178: /*
1179: * The prefix always takes precedence and forces a switch to the prefix
1180: * table, unless we are already there.
1181: */
1.343 nicm 1182: key0 = (key & (KEYC_MASK_KEY|KEYC_MASK_MODIFIERS));
1.239 nicm 1183: if ((key0 == (key_code)options_get_number(s->options, "prefix") ||
1184: key0 == (key_code)options_get_number(s->options, "prefix2")) &&
1.205 nicm 1185: strcmp(table->name, "prefix") != 0) {
1186: server_client_set_key_table(c, "prefix");
1187: server_status_client(c);
1.276 nicm 1188: goto out;
1.205 nicm 1189: }
1.238 nicm 1190: flags = c->flags;
1.205 nicm 1191:
1.262 nicm 1192: try_again:
1.223 nicm 1193: /* Log key table. */
1194: if (wp == NULL)
1195: log_debug("key table %s (no pane)", table->name);
1196: else
1197: log_debug("key table %s (pane %%%u)", table->name, wp->id);
1.225 nicm 1198: if (c->flags & CLIENT_REPEAT)
1199: log_debug("currently repeating");
1.223 nicm 1200:
1.132 nicm 1201: /* Try to see if there is a key binding in the current table. */
1.254 nicm 1202: bd = key_bindings_get(table, key0);
1.132 nicm 1203: if (bd != NULL) {
1204: /*
1205: * Key was matched in this table. If currently repeating but a
1206: * non-repeating binding was found, stop repeating and try
1207: * again in the root table.
1208: */
1.222 nicm 1209: if ((c->flags & CLIENT_REPEAT) &&
1210: (~bd->flags & KEY_BINDING_REPEAT)) {
1.262 nicm 1211: log_debug("found in key table %s (not repeating)",
1212: table->name);
1.178 nicm 1213: server_client_set_key_table(c, NULL);
1.262 nicm 1214: first = table = c->keytable;
1.132 nicm 1215: c->flags &= ~CLIENT_REPEAT;
1.85 nicm 1216: server_status_client(c);
1.253 nicm 1217: goto table_changed;
1.18 nicm 1218: }
1.223 nicm 1219: log_debug("found in key table %s", table->name);
1.82 nicm 1220:
1.132 nicm 1221: /*
1222: * Take a reference to this table to make sure the key binding
1223: * doesn't disappear.
1224: */
1225: table->references++;
1226:
1227: /*
1228: * If this is a repeating key, start the timer. Otherwise reset
1229: * the client back to the root table.
1230: */
1.163 nicm 1231: xtimeout = options_get_number(s->options, "repeat-time");
1.222 nicm 1232: if (xtimeout != 0 && (bd->flags & KEY_BINDING_REPEAT)) {
1.132 nicm 1233: c->flags |= CLIENT_REPEAT;
1234:
1235: tv.tv_sec = xtimeout / 1000;
1236: tv.tv_usec = (xtimeout % 1000) * 1000L;
1237: evtimer_del(&c->repeat_timer);
1238: evtimer_add(&c->repeat_timer, &tv);
1239: } else {
1.18 nicm 1240: c->flags &= ~CLIENT_REPEAT;
1.178 nicm 1241: server_client_set_key_table(c, NULL);
1.18 nicm 1242: }
1.132 nicm 1243: server_status_client(c);
1244:
1.227 nicm 1245: /* Execute the key binding. */
1.317 nicm 1246: key_bindings_dispatch(bd, item, c, event, &fs);
1.132 nicm 1247: key_bindings_unref_table(table);
1.276 nicm 1248: goto out;
1.18 nicm 1249: }
1250:
1.132 nicm 1251: /*
1.253 nicm 1252: * No match, try the ANY key.
1253: */
1254: if (key0 != KEYC_ANY) {
1255: key0 = KEYC_ANY;
1256: goto try_again;
1257: }
1258:
1259: /*
1.223 nicm 1260: * No match in this table. If not in the root table or if repeating,
1261: * switch the client back to the root table and try again.
1.132 nicm 1262: */
1.223 nicm 1263: log_debug("not found in key table %s", table->name);
1264: if (!server_client_is_default_key_table(c, table) ||
1265: (c->flags & CLIENT_REPEAT)) {
1.262 nicm 1266: log_debug("trying in root table");
1.178 nicm 1267: server_client_set_key_table(c, NULL);
1.262 nicm 1268: table = c->keytable;
1269: if (c->flags & CLIENT_REPEAT)
1270: first = table;
1.18 nicm 1271: c->flags &= ~CLIENT_REPEAT;
1.132 nicm 1272: server_status_client(c);
1.253 nicm 1273: goto table_changed;
1.18 nicm 1274: }
1275:
1.223 nicm 1276: /*
1277: * No match in the root table either. If this wasn't the first table
1278: * tried, don't pass the key to the pane.
1279: */
1.238 nicm 1280: if (first != table && (~flags & CLIENT_REPEAT)) {
1.178 nicm 1281: server_client_set_key_table(c, NULL);
1.132 nicm 1282: server_status_client(c);
1.276 nicm 1283: goto out;
1.161 nicm 1284: }
1285:
1.253 nicm 1286: forward_key:
1.161 nicm 1287: if (c->flags & CLIENT_READONLY)
1.276 nicm 1288: goto out;
1.161 nicm 1289: if (wp != NULL)
1.264 nicm 1290: window_pane_key(wp, c, s, wl, key, m);
1.276 nicm 1291:
1292: out:
1.347 nicm 1293: if (s != NULL && key != KEYC_FOCUS_OUT)
1.295 nicm 1294: server_client_update_latest(c);
1.276 nicm 1295: free(event);
1296: return (CMD_RETURN_NORMAL);
1.280 nicm 1297: }
1298:
1299: /* Handle a key event. */
1300: int
1301: server_client_handle_key(struct client *c, struct key_event *event)
1302: {
1303: struct session *s = c->session;
1304: struct cmdq_item *item;
1305:
1306: /* Check the client is good to accept input. */
1.303 nicm 1307: if (s == NULL || (c->flags & CLIENT_UNATTACHEDFLAGS))
1.280 nicm 1308: return (0);
1309:
1310: /*
1.291 nicm 1311: * Key presses in overlay mode and the command prompt are a special
1312: * case. The queue might be blocked so they need to be processed
1313: * immediately rather than queued.
1.280 nicm 1314: */
1.291 nicm 1315: if (~c->flags & CLIENT_READONLY) {
1316: status_message_clear(c);
1317: if (c->overlay_key != NULL) {
1318: switch (c->overlay_key(c, event)) {
1319: case 0:
1320: return (0);
1321: case 1:
1322: server_client_clear_overlay(c);
1323: return (0);
1324: }
1.290 nicm 1325: }
1.293 nicm 1326: server_client_clear_overlay(c);
1.335 nicm 1327: if (c->prompt_string != NULL) {
1328: if (status_prompt_key(c, event->key) == 0)
1329: return (0);
1330: }
1.280 nicm 1331: }
1332:
1333: /*
1334: * Add the key to the queue so it happens after any commands queued by
1335: * previous keys.
1336: */
1337: item = cmdq_get_callback(server_client_key_callback, event);
1338: cmdq_append(c, item);
1339: return (1);
1.18 nicm 1340: }
1341:
1.2 nicm 1342: /* Client functions that need to happen every loop. */
1343: void
1344: server_client_loop(void)
1345: {
1346: struct client *c;
1347: struct window *w;
1348: struct window_pane *wp;
1.344 nicm 1349: int focus;
1350:
1351: /* Check for window resize. This is done before redrawing. */
1352: RB_FOREACH(w, windows, &windows)
1353: server_client_check_window_resize(w);
1.2 nicm 1354:
1.344 nicm 1355: /* Check clients. */
1.135 nicm 1356: TAILQ_FOREACH(c, &clients, entry) {
1.36 nicm 1357: server_client_check_exit(c);
1358: if (c->session != NULL) {
1.366 nicm 1359: server_client_check_modes(c);
1.36 nicm 1360: server_client_check_redraw(c);
1361: server_client_reset_state(c);
1362: }
1.2 nicm 1363: }
1364:
1365: /*
1366: * Any windows will have been redrawn as part of clients, so clear
1.92 nicm 1367: * their flags now. Also check pane focus and resize.
1.2 nicm 1368: */
1.197 nicm 1369: focus = options_get_number(global_options, "focus-events");
1.134 nicm 1370: RB_FOREACH(w, windows, &windows) {
1.91 nicm 1371: TAILQ_FOREACH(wp, &w->panes, entry) {
1.289 nicm 1372: if (wp->fd != -1) {
1.197 nicm 1373: if (focus)
1.344 nicm 1374: server_client_check_pane_focus(wp);
1375: server_client_check_pane_resize(wp);
1.345 nicm 1376: server_client_check_pane_buffer(wp);
1.101 nicm 1377: }
1.326 nicm 1378: wp->flags &= ~PANE_REDRAW;
1.91 nicm 1379: }
1.150 nicm 1380: check_window_name(w);
1.2 nicm 1381: }
1.92 nicm 1382: }
1383:
1.344 nicm 1384: /* Check if window needs to be resized. */
1385: static void
1386: server_client_check_window_resize(struct window *w)
1387: {
1388: struct winlink *wl;
1389:
1390: if (~w->flags & WINDOW_RESIZE)
1391: return;
1392:
1393: TAILQ_FOREACH(wl, &w->winlinks, wentry) {
1394: if (wl->session->attached != 0 && wl->session->curw == wl)
1395: break;
1396: }
1397: if (wl == NULL)
1398: return;
1399:
1400: log_debug("%s: resizing window @%u", __func__, w->id);
1401: resize_window(w, w->new_sx, w->new_sy, w->new_xpixel, w->new_ypixel);
1402: }
1403:
1.356 nicm 1404: /* Resize timer event. */
1.188 nicm 1405: static void
1.356 nicm 1406: server_client_resize_timer(__unused int fd, __unused short events, void *data)
1.92 nicm 1407: {
1.356 nicm 1408: struct window_pane *wp = data;
1.92 nicm 1409:
1.356 nicm 1410: log_debug("%s: %%%u resize timer expired", __func__, wp->id);
1411: evtimer_del(&wp->resize_timer);
1.188 nicm 1412: }
1413:
1.294 nicm 1414: /* Start the resize timer. */
1415: static void
1416: server_client_start_resize_timer(struct window_pane *wp)
1417: {
1418: struct timeval tv = { .tv_usec = 250000 };
1419:
1.356 nicm 1420: log_debug("%s: %%%u resize timer started", __func__, wp->id);
1421: evtimer_add(&wp->resize_timer, &tv);
1.294 nicm 1422: }
1423:
1.356 nicm 1424: /* Force timer event. */
1.294 nicm 1425: static void
1.356 nicm 1426: server_client_force_timer(__unused int fd, __unused short events, void *data)
1.294 nicm 1427: {
1428: struct window_pane *wp = data;
1429:
1.356 nicm 1430: log_debug("%s: %%%u force timer expired", __func__, wp->id);
1431: evtimer_del(&wp->force_timer);
1432: wp->flags |= PANE_RESIZENOW;
1433: }
1.294 nicm 1434:
1.356 nicm 1435: /* Start the force timer. */
1436: static void
1437: server_client_start_force_timer(struct window_pane *wp)
1438: {
1439: struct timeval tv = { .tv_usec = 10000 };
1.294 nicm 1440:
1.356 nicm 1441: log_debug("%s: %%%u force timer started", __func__, wp->id);
1442: evtimer_add(&wp->force_timer, &tv);
1.294 nicm 1443: }
1444:
1.188 nicm 1445: /* Check if pane should be resized. */
1.190 nicm 1446: static void
1.344 nicm 1447: server_client_check_pane_resize(struct window_pane *wp)
1.188 nicm 1448: {
1.356 nicm 1449: if (!event_initialized(&wp->resize_timer))
1450: evtimer_set(&wp->resize_timer, server_client_resize_timer, wp);
1451: if (!event_initialized(&wp->force_timer))
1452: evtimer_set(&wp->force_timer, server_client_force_timer, wp);
1453:
1.294 nicm 1454: if (~wp->flags & PANE_RESIZE)
1.188 nicm 1455: return;
1.356 nicm 1456: log_debug("%s: %%%u needs to be resized", __func__, wp->id);
1.188 nicm 1457:
1.356 nicm 1458: if (evtimer_pending(&wp->resize_timer, NULL)) {
1459: log_debug("%s: %%%u resize timer is running", __func__, wp->id);
1460: return;
1461: }
1462: server_client_start_resize_timer(wp);
1.188 nicm 1463:
1.356 nicm 1464: if (~wp->flags & PANE_RESIZEFORCE) {
1465: /*
1466: * The timer is not running and we don't need to force a
1467: * resize, so just resize immediately.
1468: */
1469: log_debug("%s: resizing %%%u now", __func__, wp->id);
1470: window_pane_send_resize(wp, 0);
1471: wp->flags &= ~PANE_RESIZE;
1472: } else {
1473: /*
1474: * The timer is not running, but we need to force a resize. If
1475: * the force timer has expired, resize to the real size now.
1476: * Otherwise resize to the force size and start the timer.
1477: */
1478: if (wp->flags & PANE_RESIZENOW) {
1.359 nicm 1479: log_debug("%s: resizing %%%u after forced resize",
1480: __func__, wp->id);
1.356 nicm 1481: window_pane_send_resize(wp, 0);
1482: wp->flags &= ~(PANE_RESIZE|PANE_RESIZEFORCE|PANE_RESIZENOW);
1483: } else if (!evtimer_pending(&wp->force_timer, NULL)) {
1.359 nicm 1484: log_debug("%s: forcing resize of %%%u", __func__,
1485: wp->id);
1.356 nicm 1486: window_pane_send_resize(wp, 1);
1487: server_client_start_force_timer(wp);
1488: }
1489: }
1.345 nicm 1490: }
1491:
1492: /* Check pane buffer size. */
1493: static void
1494: server_client_check_pane_buffer(struct window_pane *wp)
1495: {
1496: struct evbuffer *evb = wp->event->input;
1497: size_t minimum;
1498: struct client *c;
1.346 nicm 1499: struct window_pane_offset *wpo;
1500: int off = 1, flag;
1501: u_int attached_clients = 0;
1.353 nicm 1502: size_t new_size;
1.345 nicm 1503:
1504: /*
1.352 nicm 1505: * Work out the minimum used size. This is the most that can be removed
1506: * from the buffer.
1.345 nicm 1507: */
1.352 nicm 1508: minimum = wp->offset.used;
1509: if (wp->pipe_fd != -1 && wp->pipe_offset.used < minimum)
1510: minimum = wp->pipe_offset.used;
1.345 nicm 1511: TAILQ_FOREACH(c, &clients, entry) {
1512: if (c->session == NULL)
1513: continue;
1.346 nicm 1514: attached_clients++;
1515:
1516: if (~c->flags & CLIENT_CONTROL) {
1.345 nicm 1517: off = 0;
1518: continue;
1519: }
1.346 nicm 1520: wpo = control_pane_offset(c, wp, &flag);
1521: if (wpo == NULL) {
1.345 nicm 1522: off = 0;
1.346 nicm 1523: continue;
1524: }
1525: if (!flag)
1526: off = 0;
1527:
1.353 nicm 1528: window_pane_get_new_data(wp, wpo, &new_size);
1529: log_debug("%s: %s has %zu bytes used and %zu left for %%%u",
1530: __func__, c->name, wpo->used - wp->base_offset, new_size,
1531: wp->id);
1532: if (wpo->used < minimum)
1.352 nicm 1533: minimum = wpo->used;
1.345 nicm 1534: }
1.346 nicm 1535: if (attached_clients == 0)
1536: off = 0;
1.345 nicm 1537: minimum -= wp->base_offset;
1538: if (minimum == 0)
1539: goto out;
1540:
1541: /* Drain the buffer. */
1.352 nicm 1542: log_debug("%s: %%%u has %zu minimum (of %zu) bytes used", __func__,
1543: wp->id, minimum, EVBUFFER_LENGTH(evb));
1.345 nicm 1544: evbuffer_drain(evb, minimum);
1545:
1546: /*
1547: * Adjust the base offset. If it would roll over, all the offsets into
1548: * the buffer need to be adjusted.
1549: */
1550: if (wp->base_offset > SIZE_MAX - minimum) {
1551: log_debug("%s: %%%u base offset has wrapped", __func__, wp->id);
1552: wp->offset.used -= wp->base_offset;
1.352 nicm 1553: if (wp->pipe_fd != -1)
1.345 nicm 1554: wp->pipe_offset.used -= wp->base_offset;
1555: TAILQ_FOREACH(c, &clients, entry) {
1556: if (c->session == NULL || (~c->flags & CLIENT_CONTROL))
1557: continue;
1.346 nicm 1558: wpo = control_pane_offset(c, wp, &flag);
1.352 nicm 1559: if (wpo != NULL && !flag)
1.346 nicm 1560: wpo->used -= wp->base_offset;
1.345 nicm 1561: }
1562: wp->base_offset = minimum;
1563: } else
1564: wp->base_offset += minimum;
1565:
1566: out:
1567: /*
1568: * If there is data remaining, and there are no clients able to consume
1.351 nicm 1569: * it, do not read any more. This is true when there are attached
1570: * clients, all of which are control clients which are not able to
1571: * accept any more data.
1.345 nicm 1572: */
1.352 nicm 1573: log_debug("%s: pane %%%u is %s", __func__, wp->id, off ? "off" : "on");
1.345 nicm 1574: if (off)
1575: bufferevent_disable(wp->event, EV_READ);
1576: else
1577: bufferevent_enable(wp->event, EV_READ);
1.91 nicm 1578: }
1579:
1580: /* Check whether pane should be focused. */
1.190 nicm 1581: static void
1.344 nicm 1582: server_client_check_pane_focus(struct window_pane *wp)
1.91 nicm 1583: {
1.93 nicm 1584: struct client *c;
1.102 nicm 1585: int push;
1586:
1587: /* Do we need to push the focus state? */
1588: push = wp->flags & PANE_FOCUSPUSH;
1589: wp->flags &= ~PANE_FOCUSPUSH;
1.91 nicm 1590:
1591: /* If we're not the active pane in our window, we're not focused. */
1592: if (wp->window->active != wp)
1593: goto not_focused;
1594:
1595: /*
1.93 nicm 1596: * If our window is the current window in any focused clients with an
1597: * attached session, we're focused.
1.91 nicm 1598: */
1.135 nicm 1599: TAILQ_FOREACH(c, &clients, entry) {
1600: if (c->session == NULL || !(c->flags & CLIENT_FOCUSED))
1.91 nicm 1601: continue;
1.255 nicm 1602: if (c->session->attached == 0)
1.93 nicm 1603: continue;
1604:
1605: if (c->session->curw->window == wp->window)
1.91 nicm 1606: goto focused;
1607: }
1608:
1609: not_focused:
1.251 nicm 1610: if (push || (wp->flags & PANE_FOCUSED)) {
1611: if (wp->base.mode & MODE_FOCUSON)
1612: bufferevent_write(wp->event, "\033[O", 3);
1613: notify_pane("pane-focus-out", wp);
1614: }
1.91 nicm 1615: wp->flags &= ~PANE_FOCUSED;
1616: return;
1617:
1618: focused:
1.251 nicm 1619: if (push || !(wp->flags & PANE_FOCUSED)) {
1620: if (wp->base.mode & MODE_FOCUSON)
1621: bufferevent_write(wp->event, "\033[I", 3);
1622: notify_pane("pane-focus-in", wp);
1.275 nicm 1623: session_update_activity(c->session, NULL);
1.251 nicm 1624: }
1.91 nicm 1625: wp->flags |= PANE_FOCUSED;
1.2 nicm 1626: }
1627:
1.18 nicm 1628: /*
1629: * Update cursor position and mode settings. The scroll region and attributes
1630: * are cleared when idle (waiting for an event) as this is the most likely time
1631: * a user may interrupt tmux, for example with ~^Z in ssh(1). This is a
1632: * compromise between excessive resets and likelihood of an interrupt.
1633: *
1634: * tty_region/tty_reset/tty_update_mode already take care of not resetting
1635: * things that are already in their default state.
1636: */
1.190 nicm 1637: static void
1.18 nicm 1638: server_client_reset_state(struct client *c)
1.1 nicm 1639: {
1.332 nicm 1640: struct tty *tty = &c->tty;
1.18 nicm 1641: struct window *w = c->session->curw->window;
1.341 nicm 1642: struct window_pane *wp = server_client_get_pane(c), *loop;
1.336 nicm 1643: struct screen *s = NULL;
1.163 nicm 1644: struct options *oo = c->session->options;
1.336 nicm 1645: int mode = 0, cursor, flags;
1.261 nicm 1646: u_int cx = 0, cy = 0, ox, oy, sx, sy;
1.60 nicm 1647:
1.186 nicm 1648: if (c->flags & (CLIENT_CONTROL|CLIENT_SUSPENDED))
1.86 nicm 1649: return;
1650:
1.332 nicm 1651: /* Disable the block flag. */
1652: flags = (tty->flags & TTY_BLOCK);
1653: tty->flags &= ~TTY_BLOCK;
1654:
1.309 nicm 1655: /* Get mode from overlay if any, else from screen. */
1656: if (c->overlay_draw != NULL) {
1.336 nicm 1657: if (c->overlay_mode != NULL)
1658: s = c->overlay_mode(c, &cx, &cy);
1659: } else
1.309 nicm 1660: s = wp->screen;
1.336 nicm 1661: if (s != NULL)
1.309 nicm 1662: mode = s->mode;
1663: log_debug("%s: client %s mode %x", __func__, c->name, mode);
1664:
1665: /* Reset region and margin. */
1.332 nicm 1666: tty_region_off(tty);
1667: tty_margin_off(tty);
1.1 nicm 1668:
1.261 nicm 1669: /* Move cursor to pane cursor and offset. */
1.309 nicm 1670: if (c->overlay_draw == NULL) {
1671: cursor = 0;
1.332 nicm 1672: tty_window_offset(tty, &ox, &oy, &sx, &sy);
1.309 nicm 1673: if (wp->xoff + s->cx >= ox && wp->xoff + s->cx <= ox + sx &&
1674: wp->yoff + s->cy >= oy && wp->yoff + s->cy <= oy + sy) {
1675: cursor = 1;
1.261 nicm 1676:
1.309 nicm 1677: cx = wp->xoff + s->cx - ox;
1678: cy = wp->yoff + s->cy - oy;
1.261 nicm 1679:
1.309 nicm 1680: if (status_at_line(c) == 0)
1681: cy += status_line_size(c);
1682: }
1683: if (!cursor)
1684: mode &= ~MODE_CURSOR;
1.261 nicm 1685: }
1.332 nicm 1686: log_debug("%s: cursor to %u,%u", __func__, cx, cy);
1687: tty_cursor(tty, cx, cy);
1.1 nicm 1688:
1.50 nicm 1689: /*
1.131 nicm 1690: * Set mouse mode if requested. To support dragging, always use button
1691: * mode.
1.57 nicm 1692: */
1.209 nicm 1693: if (options_get_number(oo, "mouse")) {
1.309 nicm 1694: if (c->overlay_draw == NULL) {
1.363 nicm 1695: mode &= ~ALL_MOUSE_MODES;
1.309 nicm 1696: TAILQ_FOREACH(loop, &w->panes, entry) {
1697: if (loop->screen->mode & MODE_MOUSE_ALL)
1698: mode |= MODE_MOUSE_ALL;
1699: }
1.209 nicm 1700: }
1701: if (~mode & MODE_MOUSE_ALL)
1702: mode |= MODE_MOUSE_BUTTON;
1703: }
1.215 nicm 1704:
1705: /* Clear bracketed paste mode if at the prompt. */
1.309 nicm 1706: if (c->overlay_draw == NULL && c->prompt_string != NULL)
1.215 nicm 1707: mode &= ~MODE_BRACKETPASTE;
1.48 nicm 1708:
1709: /* Set the terminal mode and reset attributes. */
1.332 nicm 1710: tty_update_mode(tty, mode, s);
1711: tty_reset(tty);
1.330 nicm 1712:
1.332 nicm 1713: /* All writing must be done, send a sync end (if it was started). */
1714: tty_sync_end(tty);
1715: tty->flags |= flags;
1.17 nicm 1716: }
1717:
1718: /* Repeat time callback. */
1.190 nicm 1719: static void
1.170 nicm 1720: server_client_repeat_timer(__unused int fd, __unused short events, void *data)
1.17 nicm 1721: {
1722: struct client *c = data;
1723:
1.85 nicm 1724: if (c->flags & CLIENT_REPEAT) {
1.178 nicm 1725: server_client_set_key_table(c, NULL);
1.132 nicm 1726: c->flags &= ~CLIENT_REPEAT;
1727: server_status_client(c);
1.85 nicm 1728: }
1.192 nicm 1729: }
1730:
1731: /* Double-click callback. */
1732: static void
1733: server_client_click_timer(__unused int fd, __unused short events, void *data)
1734: {
1.306 nicm 1735: struct client *c = data;
1736: struct key_event *event;
1737:
1738: log_debug("click timer expired");
1.192 nicm 1739:
1.306 nicm 1740: if (c->flags & CLIENT_TRIPLECLICK) {
1741: /*
1742: * Waiting for a third click that hasn't happened, so this must
1743: * have been a double click.
1744: */
1745: event = xmalloc(sizeof *event);
1746: event->key = KEYC_DOUBLECLICK;
1747: memcpy(&event->m, &c->click_event, sizeof event->m);
1748: if (!server_client_handle_key(c, event))
1749: free(event);
1750: }
1.192 nicm 1751: c->flags &= ~(CLIENT_DOUBLECLICK|CLIENT_TRIPLECLICK);
1.1 nicm 1752: }
1753:
1.36 nicm 1754: /* Check if client should be exited. */
1.190 nicm 1755: static void
1.36 nicm 1756: server_client_check_exit(struct client *c)
1757: {
1.300 nicm 1758: struct client_file *cf;
1.352 nicm 1759: const char *name = c->exit_session;
1.357 nicm 1760: char *data;
1761: size_t size, msize;
1.300 nicm 1762:
1.354 nicm 1763: if (c->flags & (CLIENT_DEAD|CLIENT_EXITED))
1764: return;
1765: if (~c->flags & CLIENT_EXIT)
1.36 nicm 1766: return;
1767:
1.352 nicm 1768: if (c->flags & CLIENT_CONTROL) {
1.355 nicm 1769: control_discard(c);
1.352 nicm 1770: if (!control_all_done(c))
1771: return;
1772: }
1.300 nicm 1773: RB_FOREACH(cf, client_files, &c->files) {
1774: if (EVBUFFER_LENGTH(cf->buffer) != 0)
1775: return;
1776: }
1.36 nicm 1777:
1.249 nicm 1778: if (c->flags & CLIENT_ATTACHED)
1779: notify_client("client-detached", c);
1.286 nicm 1780: c->flags |= CLIENT_EXITED;
1.352 nicm 1781:
1782: switch (c->exit_type) {
1783: case CLIENT_EXIT_RETURN:
1.367 ! nicm 1784: if (c->exit_message != NULL)
1.357 nicm 1785: msize = strlen(c->exit_message) + 1;
1.367 ! nicm 1786: else
! 1787: msize = 0;
! 1788: size = (sizeof c->retval) + msize;
1.357 nicm 1789: data = xmalloc(size);
1790: memcpy(data, &c->retval, sizeof c->retval);
1791: if (c->exit_message != NULL)
1792: memcpy(data + sizeof c->retval, c->exit_message, msize);
1793: proc_send(c->peer, MSG_EXIT, -1, data, size);
1794: free(data);
1.352 nicm 1795: break;
1796: case CLIENT_EXIT_SHUTDOWN:
1797: proc_send(c->peer, MSG_SHUTDOWN, -1, NULL, 0);
1798: break;
1799: case CLIENT_EXIT_DETACH:
1800: proc_send(c->peer, c->exit_msgtype, -1, name, strlen(name) + 1);
1801: break;
1802: }
1803: free(c->exit_session);
1.357 nicm 1804: free(c->exit_message);
1.38 nicm 1805: }
1806:
1.218 nicm 1807: /* Redraw timer callback. */
1808: static void
1809: server_client_redraw_timer(__unused int fd, __unused short events,
1.299 nicm 1810: __unused void *data)
1.218 nicm 1811: {
1812: log_debug("redraw timer fired");
1.366 nicm 1813: }
1814:
1815: /*
1816: * Check if modes need to be updated. Only modes in the current window are
1817: * updated and it is done when the status line is redrawn.
1818: */
1819: static void
1820: server_client_check_modes(struct client *c)
1821: {
1822: struct window *w = c->session->curw->window;
1823: struct window_pane *wp;
1824: struct window_mode_entry *wme;
1825:
1826: if (c->flags & (CLIENT_CONTROL|CLIENT_SUSPENDED))
1827: return;
1828: if (~c->flags & CLIENT_REDRAWSTATUS)
1829: return;
1830: TAILQ_FOREACH(wp, &w->panes, entry) {
1831: wme = TAILQ_FIRST(&wp->modes);
1832: if (wme != NULL && wme->mode->update != NULL)
1833: wme->mode->update(wme);
1834: }
1.218 nicm 1835: }
1836:
1.1 nicm 1837: /* Check for client redraws. */
1.190 nicm 1838: static void
1.1 nicm 1839: server_client_check_redraw(struct client *c)
1840: {
1841: struct session *s = c->session;
1.137 nicm 1842: struct tty *tty = &c->tty;
1.326 nicm 1843: struct window *w = c->session->curw->window;
1.1 nicm 1844: struct window_pane *wp;
1.325 nicm 1845: int needed, flags, mode = tty->mode, new_flags = 0;
1.326 nicm 1846: int redraw;
1847: u_int bit = 0;
1.218 nicm 1848: struct timeval tv = { .tv_usec = 1000 };
1849: static struct event ev;
1850: size_t left;
1.1 nicm 1851:
1.86 nicm 1852: if (c->flags & (CLIENT_CONTROL|CLIENT_SUSPENDED))
1.79 nicm 1853: return;
1.257 nicm 1854: if (c->flags & CLIENT_ALLREDRAWFLAGS) {
1.325 nicm 1855: log_debug("%s: redraw%s%s%s%s%s", c->name,
1.257 nicm 1856: (c->flags & CLIENT_REDRAWWINDOW) ? " window" : "",
1857: (c->flags & CLIENT_REDRAWSTATUS) ? " status" : "",
1.282 nicm 1858: (c->flags & CLIENT_REDRAWBORDERS) ? " borders" : "",
1.325 nicm 1859: (c->flags & CLIENT_REDRAWOVERLAY) ? " overlay" : "",
1860: (c->flags & CLIENT_REDRAWPANES) ? " panes" : "");
1.257 nicm 1861: }
1.218 nicm 1862:
1863: /*
1864: * If there is outstanding data, defer the redraw until it has been
1865: * consumed. We can just add a timer to get out of the event loop and
1866: * end up back here.
1867: */
1868: needed = 0;
1.256 nicm 1869: if (c->flags & CLIENT_ALLREDRAWFLAGS)
1.218 nicm 1870: needed = 1;
1871: else {
1.326 nicm 1872: TAILQ_FOREACH(wp, &w->panes, entry) {
1.218 nicm 1873: if (wp->flags & PANE_REDRAW) {
1874: needed = 1;
1875: break;
1876: }
1877: }
1.325 nicm 1878: if (needed)
1879: new_flags |= CLIENT_REDRAWPANES;
1.218 nicm 1880: }
1.241 nicm 1881: if (needed && (left = EVBUFFER_LENGTH(tty->out)) != 0) {
1882: log_debug("%s: redraw deferred (%zu left)", c->name, left);
1883: if (!evtimer_initialized(&ev))
1884: evtimer_set(&ev, server_client_redraw_timer, NULL);
1885: if (!evtimer_pending(&ev, NULL)) {
1.218 nicm 1886: log_debug("redraw timer started");
1887: evtimer_add(&ev, &tv);
1.241 nicm 1888: }
1.327 nicm 1889:
1890: if (~c->flags & CLIENT_REDRAWWINDOW) {
1.326 nicm 1891: TAILQ_FOREACH(wp, &w->panes, entry) {
1.327 nicm 1892: if (wp->flags & PANE_REDRAW) {
1893: log_debug("%s: pane %%%u needs redraw",
1894: c->name, wp->id);
1.326 nicm 1895: c->redraw_panes |= (1 << bit);
1.327 nicm 1896: }
1.326 nicm 1897: if (++bit == 64) {
1898: /*
1899: * If more that 64 panes, give up and
1900: * just redraw the window.
1901: */
1902: new_flags &= CLIENT_REDRAWPANES;
1903: new_flags |= CLIENT_REDRAWWINDOW;
1904: break;
1905: }
1906: }
1.327 nicm 1907: if (c->redraw_panes != 0)
1908: c->flags |= CLIENT_REDRAWPANES;
1.326 nicm 1909: }
1.325 nicm 1910: c->flags |= new_flags;
1.241 nicm 1911: return;
1912: } else if (needed)
1.218 nicm 1913: log_debug("%s: redraw needed", c->name);
1.79 nicm 1914:
1.219 nicm 1915: flags = tty->flags & (TTY_BLOCK|TTY_FREEZE|TTY_NOCURSOR);
1.326 nicm 1916: tty->flags = (tty->flags & ~(TTY_BLOCK|TTY_FREEZE))|TTY_NOCURSOR;
1.137 nicm 1917:
1.256 nicm 1918: if (~c->flags & CLIENT_REDRAWWINDOW) {
1919: /*
1920: * If not redrawing the entire window, check whether each pane
1921: * needs to be redrawn.
1922: */
1.326 nicm 1923: TAILQ_FOREACH(wp, &w->panes, entry) {
1924: redraw = 0;
1925: if (wp->flags & PANE_REDRAW)
1926: redraw = 1;
1927: else if (c->flags & CLIENT_REDRAWPANES)
1928: redraw = !!(c->redraw_panes & (1 << bit));
1.328 nicm 1929: bit++;
1.326 nicm 1930: if (!redraw)
1931: continue;
1932: log_debug("%s: redrawing pane %%%u", __func__, wp->id);
1933: screen_redraw_pane(c, wp);
1.1 nicm 1934: }
1.331 nicm 1935: c->redraw_panes = 0;
1.325 nicm 1936: c->flags &= ~CLIENT_REDRAWPANES;
1.1 nicm 1937: }
1938:
1.256 nicm 1939: if (c->flags & CLIENT_ALLREDRAWFLAGS) {
1940: if (options_get_number(s->options, "set-titles"))
1941: server_client_set_title(c);
1942: screen_redraw_screen(c);
1943: }
1.1 nicm 1944:
1.326 nicm 1945: tty->flags = (tty->flags & ~TTY_NOCURSOR)|(flags & TTY_NOCURSOR);
1.320 nicm 1946: tty_update_mode(tty, mode, NULL);
1.326 nicm 1947: tty->flags = (tty->flags & ~(TTY_BLOCK|TTY_FREEZE|TTY_NOCURSOR))|flags;
1.1 nicm 1948:
1.256 nicm 1949: c->flags &= ~(CLIENT_ALLREDRAWFLAGS|CLIENT_STATUSFORCE);
1.230 nicm 1950:
1951: if (needed) {
1952: /*
1953: * We would have deferred the redraw unless the output buffer
1954: * was empty, so we can record how many bytes the redraw
1955: * generated.
1956: */
1957: c->redraw = EVBUFFER_LENGTH(tty->out);
1958: log_debug("%s: redraw added %zu bytes", c->name, c->redraw);
1959: }
1.1 nicm 1960: }
1961:
1962: /* Set client title. */
1.190 nicm 1963: static void
1.1 nicm 1964: server_client_set_title(struct client *c)
1965: {
1.128 nicm 1966: struct session *s = c->session;
1967: const char *template;
1968: char *title;
1969: struct format_tree *ft;
1.1 nicm 1970:
1.163 nicm 1971: template = options_get_string(s->options, "set-titles-string");
1.25 nicm 1972:
1.228 nicm 1973: ft = format_create(c, NULL, FORMAT_NONE, 0);
1.128 nicm 1974: format_defaults(ft, c, NULL, NULL, NULL);
1975:
1.269 nicm 1976: title = format_expand_time(ft, template);
1.1 nicm 1977: if (c->title == NULL || strcmp(title, c->title) != 0) {
1.77 nicm 1978: free(c->title);
1.1 nicm 1979: c->title = xstrdup(title);
1980: tty_set_title(&c->tty, c->title);
1981: }
1.77 nicm 1982: free(title);
1.128 nicm 1983:
1984: format_free(ft);
1.1 nicm 1985: }
1986:
1987: /* Dispatch message from client. */
1.190 nicm 1988: static void
1.162 nicm 1989: server_client_dispatch(struct imsg *imsg, void *arg)
1.1 nicm 1990: {
1.300 nicm 1991: struct client *c = arg;
1992: ssize_t datalen;
1993: struct session *s;
1.1 nicm 1994:
1.162 nicm 1995: if (c->flags & CLIENT_DEAD)
1996: return;
1997:
1998: if (imsg == NULL) {
1999: server_client_lost(c);
2000: return;
2001: }
1.1 nicm 2002:
1.162 nicm 2003: datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
1.1 nicm 2004:
1.162 nicm 2005: switch (imsg->hdr.type) {
1.329 nicm 2006: case MSG_IDENTIFY_FEATURES:
1.162 nicm 2007: case MSG_IDENTIFY_FLAGS:
1.361 nicm 2008: case MSG_IDENTIFY_LONGFLAGS:
1.162 nicm 2009: case MSG_IDENTIFY_TERM:
2010: case MSG_IDENTIFY_TTYNAME:
2011: case MSG_IDENTIFY_CWD:
2012: case MSG_IDENTIFY_STDIN:
1.351 nicm 2013: case MSG_IDENTIFY_STDOUT:
1.162 nicm 2014: case MSG_IDENTIFY_ENVIRON:
2015: case MSG_IDENTIFY_CLIENTPID:
2016: case MSG_IDENTIFY_DONE:
2017: server_client_dispatch_identify(c, imsg);
2018: break;
2019: case MSG_COMMAND:
2020: server_client_dispatch_command(c, imsg);
2021: break;
2022: case MSG_RESIZE:
2023: if (datalen != 0)
2024: fatalx("bad MSG_RESIZE size");
1.1 nicm 2025:
1.162 nicm 2026: if (c->flags & CLIENT_CONTROL)
1.1 nicm 2027: break;
1.295 nicm 2028: server_client_update_latest(c);
1.282 nicm 2029: server_client_clear_overlay(c);
1.236 nicm 2030: tty_resize(&c->tty);
2031: recalculate_sizes();
2032: server_redraw_client(c);
1.174 nicm 2033: if (c->session != NULL)
1.196 nicm 2034: notify_client("client-resized", c);
1.162 nicm 2035: break;
2036: case MSG_EXITING:
2037: if (datalen != 0)
2038: fatalx("bad MSG_EXITING size");
2039: c->session = NULL;
2040: tty_close(&c->tty);
2041: proc_send(c->peer, MSG_EXITED, -1, NULL, 0);
2042: break;
2043: case MSG_WAKEUP:
2044: case MSG_UNLOCK:
2045: if (datalen != 0)
2046: fatalx("bad MSG_WAKEUP size");
1.121 nicm 2047:
1.162 nicm 2048: if (!(c->flags & CLIENT_SUSPENDED))
2049: break;
2050: c->flags &= ~CLIENT_SUSPENDED;
1.10 nicm 2051:
1.365 nicm 2052: if (c->fd == -1 || c->session == NULL) /* exited already */
1.1 nicm 2053: break;
1.162 nicm 2054: s = c->session;
1.1 nicm 2055:
1.162 nicm 2056: if (gettimeofday(&c->activity_time, NULL) != 0)
2057: fatal("gettimeofday failed");
2058:
2059: tty_start_tty(&c->tty);
2060: server_redraw_client(c);
2061: recalculate_sizes();
1.184 nicm 2062:
2063: if (s != NULL)
2064: session_update_activity(s, &c->activity_time);
1.162 nicm 2065: break;
2066: case MSG_SHELL:
2067: if (datalen != 0)
2068: fatalx("bad MSG_SHELL size");
1.1 nicm 2069:
1.162 nicm 2070: server_client_dispatch_shell(c);
2071: break;
1.300 nicm 2072: case MSG_WRITE_READY:
2073: server_client_dispatch_write_ready(c, imsg);
2074: break;
2075: case MSG_READ:
2076: server_client_dispatch_read_data(c, imsg);
2077: break;
2078: case MSG_READ_DONE:
2079: server_client_dispatch_read_done(c, imsg);
2080: break;
1.1 nicm 2081: }
2082: }
2083:
1.194 nicm 2084: /* Callback when command is done. */
2085: static enum cmd_retval
1.195 nicm 2086: server_client_command_done(struct cmdq_item *item, __unused void *data)
1.194 nicm 2087: {
1.316 nicm 2088: struct client *c = cmdq_get_client(item);
1.194 nicm 2089:
2090: if (~c->flags & CLIENT_ATTACHED)
2091: c->flags |= CLIENT_EXIT;
1.352 nicm 2092: else if (~c->flags & CLIENT_EXIT)
1.314 nicm 2093: tty_send_requests(&c->tty);
1.194 nicm 2094: return (CMD_RETURN_NORMAL);
2095: }
2096:
1.1 nicm 2097: /* Handle command message. */
1.190 nicm 2098: static void
1.162 nicm 2099: server_client_dispatch_command(struct client *c, struct imsg *imsg)
1.1 nicm 2100: {
1.300 nicm 2101: struct msg_command data;
1.108 nicm 2102: char *buf;
2103: size_t len;
2104: int argc;
2105: char **argv, *cause;
1.285 nicm 2106: struct cmd_parse_result *pr;
1.246 nicm 2107:
2108: if (c->flags & CLIENT_EXIT)
2109: return;
1.108 nicm 2110:
2111: if (imsg->hdr.len - IMSG_HEADER_SIZE < sizeof data)
2112: fatalx("bad MSG_COMMAND size");
2113: memcpy(&data, imsg->data, sizeof data);
2114:
1.124 nicm 2115: buf = (char *)imsg->data + sizeof data;
1.108 nicm 2116: len = imsg->hdr.len - IMSG_HEADER_SIZE - sizeof data;
2117: if (len > 0 && buf[len - 1] != '\0')
2118: fatalx("bad MSG_COMMAND string");
2119:
2120: argc = data.argc;
2121: if (cmd_unpack_argv(buf, len, argc, &argv) != 0) {
1.194 nicm 2122: cause = xstrdup("command too long");
1.1 nicm 2123: goto error;
2124: }
2125:
2126: if (argc == 0) {
2127: argc = 1;
2128: argv = xcalloc(1, sizeof *argv);
2129: *argv = xstrdup("new-session");
2130: }
2131:
1.285 nicm 2132: pr = cmd_parse_from_arguments(argc, argv, NULL);
2133: switch (pr->status) {
2134: case CMD_PARSE_EMPTY:
2135: cause = xstrdup("empty command");
1.1 nicm 2136: goto error;
1.285 nicm 2137: case CMD_PARSE_ERROR:
2138: cause = pr->error;
2139: goto error;
2140: case CMD_PARSE_SUCCESS:
2141: break;
1.1 nicm 2142: }
2143: cmd_free_argv(argc, argv);
2144:
1.318 nicm 2145: cmdq_append(c, cmdq_get_command(pr->cmdlist, NULL));
1.194 nicm 2146: cmdq_append(c, cmdq_get_callback(server_client_command_done, NULL));
1.285 nicm 2147:
2148: cmd_list_free(pr->cmdlist);
1.1 nicm 2149: return;
2150:
2151: error:
1.285 nicm 2152: cmd_free_argv(argc, argv);
2153:
1.284 nicm 2154: cmdq_append(c, cmdq_get_error(cause));
2155: free(cause);
1.88 nicm 2156:
1.36 nicm 2157: c->flags |= CLIENT_EXIT;
1.1 nicm 2158: }
2159:
2160: /* Handle identify message. */
1.190 nicm 2161: static void
1.162 nicm 2162: server_client_dispatch_identify(struct client *c, struct imsg *imsg)
1.1 nicm 2163: {
1.165 nicm 2164: const char *data, *home;
1.232 nicm 2165: size_t datalen;
1.329 nicm 2166: int flags, feat;
1.361 nicm 2167: uint64_t longflags;
1.216 nicm 2168: char *name;
1.109 nicm 2169:
2170: if (c->flags & CLIENT_IDENTIFIED)
2171: fatalx("out-of-order identify message");
2172:
2173: data = imsg->data;
2174: datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
2175:
2176: switch (imsg->hdr.type) {
1.329 nicm 2177: case MSG_IDENTIFY_FEATURES:
2178: if (datalen != sizeof feat)
2179: fatalx("bad MSG_IDENTIFY_FEATURES size");
2180: memcpy(&feat, data, sizeof feat);
2181: c->term_features |= feat;
2182: log_debug("client %p IDENTIFY_FEATURES %s", c,
2183: tty_get_features(feat));
2184: break;
1.109 nicm 2185: case MSG_IDENTIFY_FLAGS:
2186: if (datalen != sizeof flags)
2187: fatalx("bad MSG_IDENTIFY_FLAGS size");
2188: memcpy(&flags, data, sizeof flags);
2189: c->flags |= flags;
1.158 nicm 2190: log_debug("client %p IDENTIFY_FLAGS %#x", c, flags);
1.361 nicm 2191: break;
2192: case MSG_IDENTIFY_LONGFLAGS:
2193: if (datalen != sizeof longflags)
2194: fatalx("bad MSG_IDENTIFY_LONGFLAGS size");
2195: memcpy(&longflags, data, sizeof longflags);
2196: c->flags |= longflags;
2197: log_debug("client %p IDENTIFY_LONGFLAGS %#llx", c,
2198: (unsigned long long)longflags);
1.109 nicm 2199: break;
2200: case MSG_IDENTIFY_TERM:
1.110 nicm 2201: if (datalen == 0 || data[datalen - 1] != '\0')
1.109 nicm 2202: fatalx("bad MSG_IDENTIFY_TERM string");
1.329 nicm 2203: if (*data == '\0')
2204: c->term_name = xstrdup("unknown");
2205: else
2206: c->term_name = xstrdup(data);
1.158 nicm 2207: log_debug("client %p IDENTIFY_TERM %s", c, data);
1.109 nicm 2208: break;
2209: case MSG_IDENTIFY_TTYNAME:
1.110 nicm 2210: if (datalen == 0 || data[datalen - 1] != '\0')
1.109 nicm 2211: fatalx("bad MSG_IDENTIFY_TTYNAME string");
2212: c->ttyname = xstrdup(data);
1.158 nicm 2213: log_debug("client %p IDENTIFY_TTYNAME %s", c, data);
1.109 nicm 2214: break;
2215: case MSG_IDENTIFY_CWD:
1.155 nicm 2216: if (datalen == 0 || data[datalen - 1] != '\0')
2217: fatalx("bad MSG_IDENTIFY_CWD string");
1.165 nicm 2218: if (access(data, X_OK) == 0)
2219: c->cwd = xstrdup(data);
2220: else if ((home = find_home()) != NULL)
2221: c->cwd = xstrdup(home);
2222: else
2223: c->cwd = xstrdup("/");
1.158 nicm 2224: log_debug("client %p IDENTIFY_CWD %s", c, data);
1.109 nicm 2225: break;
2226: case MSG_IDENTIFY_STDIN:
2227: if (datalen != 0)
2228: fatalx("bad MSG_IDENTIFY_STDIN size");
2229: c->fd = imsg->fd;
1.158 nicm 2230: log_debug("client %p IDENTIFY_STDIN %d", c, imsg->fd);
1.109 nicm 2231: break;
1.351 nicm 2232: case MSG_IDENTIFY_STDOUT:
2233: if (datalen != 0)
2234: fatalx("bad MSG_IDENTIFY_STDOUT size");
2235: c->out_fd = imsg->fd;
2236: log_debug("client %p IDENTIFY_STDOUT %d", c, imsg->fd);
2237: break;
1.109 nicm 2238: case MSG_IDENTIFY_ENVIRON:
1.110 nicm 2239: if (datalen == 0 || data[datalen - 1] != '\0')
1.109 nicm 2240: fatalx("bad MSG_IDENTIFY_ENVIRON string");
2241: if (strchr(data, '=') != NULL)
1.312 nicm 2242: environ_put(c->environ, data, 0);
1.158 nicm 2243: log_debug("client %p IDENTIFY_ENVIRON %s", c, data);
1.143 nicm 2244: break;
2245: case MSG_IDENTIFY_CLIENTPID:
2246: if (datalen != sizeof c->pid)
2247: fatalx("bad MSG_IDENTIFY_CLIENTPID size");
2248: memcpy(&c->pid, data, sizeof c->pid);
1.158 nicm 2249: log_debug("client %p IDENTIFY_CLIENTPID %ld", c, (long)c->pid);
1.109 nicm 2250: break;
2251: default:
2252: break;
2253: }
2254:
2255: if (imsg->hdr.type != MSG_IDENTIFY_DONE)
2256: return;
2257: c->flags |= CLIENT_IDENTIFIED;
1.75 nicm 2258:
1.216 nicm 2259: if (*c->ttyname != '\0')
2260: name = xstrdup(c->ttyname);
2261: else
2262: xasprintf(&name, "client-%ld", (long)c->pid);
2263: c->name = name;
2264: log_debug("client %p name is %s", c, c->name);
2265:
1.362 nicm 2266: if (c->flags & CLIENT_CONTROL)
1.300 nicm 2267: control_start(c);
1.351 nicm 2268: else if (c->fd != -1) {
1.348 nicm 2269: if (tty_init(&c->tty, c) != 0) {
1.288 nicm 2270: close(c->fd);
2271: c->fd = -1;
2272: } else {
2273: tty_resize(&c->tty);
2274: c->flags |= CLIENT_TERMINAL;
2275: }
1.351 nicm 2276: close(c->out_fd);
2277: c->out_fd = -1;
1.75 nicm 2278: }
1.1 nicm 2279:
1.288 nicm 2280: /*
1.362 nicm 2281: * If this is the first client, load configuration files. Any later
2282: * clients are allowed to continue with their command even if the
2283: * config has not been loaded - they might have been run from inside it
1.288 nicm 2284: */
2285: if ((~c->flags & CLIENT_EXIT) &&
1.362 nicm 2286: !cfg_finished &&
2287: c == TAILQ_FIRST(&clients))
1.288 nicm 2288: start_cfg();
1.1 nicm 2289: }
2290:
2291: /* Handle shell message. */
1.190 nicm 2292: static void
1.162 nicm 2293: server_client_dispatch_shell(struct client *c)
1.1 nicm 2294: {
1.107 nicm 2295: const char *shell;
1.25 nicm 2296:
1.163 nicm 2297: shell = options_get_string(global_s_options, "default-shell");
1.308 nicm 2298: if (!checkshell(shell))
1.1 nicm 2299: shell = _PATH_BSHELL;
1.240 nicm 2300: proc_send(c->peer, MSG_SHELL, -1, shell, strlen(shell) + 1);
1.25 nicm 2301:
1.162 nicm 2302: proc_kill_peer(c->peer);
1.169 nicm 2303: }
2304:
1.300 nicm 2305: /* Handle write ready message. */
1.169 nicm 2306: static void
1.300 nicm 2307: server_client_dispatch_write_ready(struct client *c, struct imsg *imsg)
1.169 nicm 2308: {
1.300 nicm 2309: struct msg_write_ready *msg = imsg->data;
2310: size_t msglen = imsg->hdr.len - IMSG_HEADER_SIZE;
2311: struct client_file find, *cf;
2312:
2313: if (msglen != sizeof *msg)
2314: fatalx("bad MSG_WRITE_READY size");
2315: find.stream = msg->stream;
2316: if ((cf = RB_FIND(client_files, &c->files, &find)) == NULL)
2317: return;
2318: if (msg->error != 0) {
2319: cf->error = msg->error;
2320: file_fire_done(cf);
2321: } else
2322: file_push(cf);
1.169 nicm 2323: }
2324:
1.300 nicm 2325: /* Handle read data message. */
2326: static void
2327: server_client_dispatch_read_data(struct client *c, struct imsg *imsg)
1.169 nicm 2328: {
1.300 nicm 2329: struct msg_read_data *msg = imsg->data;
2330: size_t msglen = imsg->hdr.len - IMSG_HEADER_SIZE;
2331: struct client_file find, *cf;
1.301 nicm 2332: void *bdata = msg + 1;
2333: size_t bsize = msglen - sizeof *msg;
1.169 nicm 2334:
1.301 nicm 2335: if (msglen < sizeof *msg)
1.300 nicm 2336: fatalx("bad MSG_READ_DATA size");
2337: find.stream = msg->stream;
2338: if ((cf = RB_FIND(client_files, &c->files, &find)) == NULL)
2339: return;
1.169 nicm 2340:
1.300 nicm 2341: log_debug("%s: file %d read %zu bytes", c->name, cf->stream, bsize);
2342: if (cf->error == 0) {
2343: if (evbuffer_add(cf->buffer, bdata, bsize) != 0) {
2344: cf->error = ENOMEM;
2345: file_fire_done(cf);
2346: } else
2347: file_fire_read(cf);
1.169 nicm 2348: }
2349: }
2350:
1.300 nicm 2351: /* Handle read done message. */
1.169 nicm 2352: static void
1.300 nicm 2353: server_client_dispatch_read_done(struct client *c, struct imsg *imsg)
1.169 nicm 2354: {
1.300 nicm 2355: struct msg_read_done *msg = imsg->data;
2356: size_t msglen = imsg->hdr.len - IMSG_HEADER_SIZE;
2357: struct client_file find, *cf;
1.169 nicm 2358:
1.300 nicm 2359: if (msglen != sizeof *msg)
2360: fatalx("bad MSG_READ_DONE size");
2361: find.stream = msg->stream;
2362: if ((cf = RB_FIND(client_files, &c->files, &find)) == NULL)
1.169 nicm 2363: return;
2364:
1.300 nicm 2365: log_debug("%s: file %d read done", c->name, cf->stream);
2366: cf->error = msg->error;
2367: file_fire_done(cf);
1.213 nicm 2368: }
2369:
2370: /* Get client working directory. */
2371: const char *
1.250 nicm 2372: server_client_get_cwd(struct client *c, struct session *s)
1.213 nicm 2373: {
1.250 nicm 2374: const char *home;
1.213 nicm 2375:
1.265 nicm 2376: if (!cfg_finished && cfg_client != NULL)
2377: return (cfg_client->cwd);
1.213 nicm 2378: if (c != NULL && c->session == NULL && c->cwd != NULL)
2379: return (c->cwd);
1.250 nicm 2380: if (s != NULL && s->cwd != NULL)
2381: return (s->cwd);
1.213 nicm 2382: if (c != NULL && (s = c->session) != NULL && s->cwd != NULL)
2383: return (s->cwd);
1.250 nicm 2384: if ((home = find_home()) != NULL)
2385: return (home);
2386: return ("/");
1.337 nicm 2387: }
2388:
1.355 nicm 2389: /* Get control client flags. */
2390: static uint64_t
2391: server_client_control_flags(struct client *c, const char *next)
2392: {
2393: if (strcmp(next, "pause-after") == 0) {
2394: c->pause_age = 0;
2395: return (CLIENT_CONTROL_PAUSEAFTER);
2396: }
2397: if (sscanf(next, "pause-after=%u", &c->pause_age) == 1) {
2398: c->pause_age *= 1000;
2399: return (CLIENT_CONTROL_PAUSEAFTER);
2400: }
2401: if (strcmp(next, "no-output") == 0)
2402: return (CLIENT_CONTROL_NOOUTPUT);
1.358 nicm 2403: if (strcmp(next, "wait-exit") == 0)
2404: return (CLIENT_CONTROL_WAITEXIT);
1.355 nicm 2405: return (0);
2406: }
2407:
1.337 nicm 2408: /* Set client flags. */
2409: void
2410: server_client_set_flags(struct client *c, const char *flags)
2411: {
2412: char *s, *copy, *next;
1.351 nicm 2413: uint64_t flag;
2414: int not;
1.337 nicm 2415:
2416: s = copy = xstrdup (flags);
2417: while ((next = strsep(&s, ",")) != NULL) {
2418: not = (*next == '!');
2419: if (not)
2420: next++;
2421:
1.355 nicm 2422: if (c->flags & CLIENT_CONTROL)
2423: flag = server_client_control_flags(c, next);
2424: else
2425: flag = 0;
1.350 nicm 2426: if (strcmp(next, "read-only") == 0)
1.337 nicm 2427: flag = CLIENT_READONLY;
2428: else if (strcmp(next, "ignore-size") == 0)
2429: flag = CLIENT_IGNORESIZE;
1.341 nicm 2430: else if (strcmp(next, "active-pane") == 0)
2431: flag = CLIENT_ACTIVEPANE;
1.350 nicm 2432: if (flag == 0)
1.337 nicm 2433: continue;
2434:
2435: log_debug("client %s set flag %s", c->name, next);
2436: if (not)
2437: c->flags &= ~flag;
2438: else
2439: c->flags |= flag;
1.346 nicm 2440: if (flag == CLIENT_CONTROL_NOOUTPUT)
1.352 nicm 2441: control_reset_offsets(c);
1.337 nicm 2442: }
2443: free(copy);
1.358 nicm 2444: proc_send(c->peer, MSG_FLAGS, -1, &c->flags, sizeof c->flags);
1.337 nicm 2445: }
2446:
1.340 nicm 2447: /* Get client flags. This is only flags useful to show to users. */
1.337 nicm 2448: const char *
2449: server_client_get_flags(struct client *c)
2450: {
1.355 nicm 2451: static char s[256];
2452: char tmp[32];
1.337 nicm 2453:
2454: *s = '\0';
2455: if (c->flags & CLIENT_ATTACHED)
2456: strlcat(s, "attached,", sizeof s);
2457: if (c->flags & CLIENT_CONTROL)
2458: strlcat(s, "control-mode,", sizeof s);
2459: if (c->flags & CLIENT_IGNORESIZE)
2460: strlcat(s, "ignore-size,", sizeof s);
2461: if (c->flags & CLIENT_CONTROL_NOOUTPUT)
2462: strlcat(s, "no-output,", sizeof s);
1.358 nicm 2463: if (c->flags & CLIENT_CONTROL_WAITEXIT)
2464: strlcat(s, "wait-exit,", sizeof s);
1.355 nicm 2465: if (c->flags & CLIENT_CONTROL_PAUSEAFTER) {
2466: xsnprintf(tmp, sizeof tmp, "pause-after=%u,",
2467: c->pause_age / 1000);
2468: strlcat(s, tmp, sizeof s);
2469: }
1.337 nicm 2470: if (c->flags & CLIENT_READONLY)
2471: strlcat(s, "read-only,", sizeof s);
1.341 nicm 2472: if (c->flags & CLIENT_ACTIVEPANE)
2473: strlcat(s, "active-pane,", sizeof s);
1.337 nicm 2474: if (c->flags & CLIENT_SUSPENDED)
2475: strlcat(s, "suspended,", sizeof s);
2476: if (c->flags & CLIENT_UTF8)
2477: strlcat(s, "UTF-8,", sizeof s);
2478: if (*s != '\0')
2479: s[strlen(s) - 1] = '\0';
2480: return (s);
1.341 nicm 2481: }
2482:
2483: /* Get client window. */
2484: static struct client_window *
2485: server_client_get_client_window(struct client *c, u_int id)
2486: {
2487: struct client_window cw = { .window = id };
2488:
2489: return (RB_FIND(client_windows, &c->windows, &cw));
2490: }
2491:
2492: /* Get client active pane. */
2493: struct window_pane *
2494: server_client_get_pane(struct client *c)
2495: {
2496: struct session *s = c->session;
2497: struct client_window *cw;
2498:
2499: if (s == NULL)
2500: return (NULL);
2501:
2502: if (~c->flags & CLIENT_ACTIVEPANE)
2503: return (s->curw->window->active);
2504: cw = server_client_get_client_window(c, s->curw->window->id);
2505: if (cw == NULL)
2506: return (s->curw->window->active);
2507: return (cw->pane);
2508: }
2509:
2510: /* Set client active pane. */
2511: void
2512: server_client_set_pane(struct client *c, struct window_pane *wp)
2513: {
2514: struct session *s = c->session;
2515: struct client_window *cw;
2516:
2517: if (s == NULL)
2518: return;
2519:
2520: cw = server_client_get_client_window(c, s->curw->window->id);
2521: if (cw == NULL) {
2522: cw = xcalloc(1, sizeof *cw);
2523: cw->window = s->curw->window->id;
2524: RB_INSERT(client_windows, &c->windows, cw);
2525: }
2526: cw->pane = wp;
2527: log_debug("%s pane now %%%u", c->name, wp->id);
2528: }
2529:
2530: /* Remove pane from client lists. */
2531: void
2532: server_client_remove_pane(struct window_pane *wp)
2533: {
2534: struct client *c;
2535: struct window *w = wp->window;
2536: struct client_window *cw;
2537:
2538: TAILQ_FOREACH(c, &clients, entry) {
2539: cw = server_client_get_client_window(c, w->id);
2540: if (cw != NULL && cw->pane == wp) {
2541: RB_REMOVE(client_windows, &c->windows, cw);
2542: free(cw);
2543: }
2544: }
1.1 nicm 2545: }
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