Annotation of src/usr.bin/tmux/server-client.c, Revision 1.354
1.354 ! nicm 1: /* $OpenBSD: server-client.c,v 1.353 2020/06/01 20:58:42 nicm Exp $ */
1.1 nicm 2:
3: /*
1.181 nicm 4: * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
1.1 nicm 5: *
6: * Permission to use, copy, modify, and distribute this software for any
7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
9: *
10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
15: * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
16: * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17: */
18:
19: #include <sys/types.h>
1.92 nicm 20: #include <sys/ioctl.h>
1.162 nicm 21: #include <sys/uio.h>
1.1 nicm 22:
1.114 benno 23: #include <errno.h>
1.12 nicm 24: #include <event.h>
1.1 nicm 25: #include <fcntl.h>
1.162 nicm 26: #include <imsg.h>
1.98 nicm 27: #include <paths.h>
28: #include <stdlib.h>
1.1 nicm 29: #include <string.h>
1.4 nicm 30: #include <time.h>
1.1 nicm 31: #include <unistd.h>
32:
33: #include "tmux.h"
34:
1.190 nicm 35: static void server_client_free(int, short, void *);
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 *);
45: static void server_client_set_title(struct client *);
46: static void server_client_reset_state(struct client *);
47: static int server_client_assume_paste(struct session *);
1.294 nicm 48: static void server_client_resize_event(int, short, void *);
1.190 nicm 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:
1.352 nicm 61: /* Maximum data allowed to be held for a pane for a control client. */
62: #define SERVER_CLIENT_PANE_LIMIT 16777216
63:
1.341 nicm 64: /* Compare client windows. */
65: static int
66: server_client_window_cmp(struct client_window *cw1,
67: struct client_window *cw2)
68: {
69: if (cw1->window < cw2->window)
70: return (-1);
71: if (cw1->window > cw2->window)
72: return (1);
73: return (0);
74: }
75: RB_GENERATE(client_windows, client_window, entry, server_client_window_cmp);
76:
1.233 nicm 77: /* Number of attached clients. */
78: u_int
79: server_client_how_many(void)
80: {
81: struct client *c;
82: u_int n;
83:
84: n = 0;
85: TAILQ_FOREACH(c, &clients, entry) {
1.352 nicm 86: if (c->session != NULL && (~c->flags & CLIENT_UNATTACHEDFLAGS))
1.233 nicm 87: n++;
88: }
89: return (n);
90: }
1.140 nicm 91:
1.281 nicm 92: /* Overlay timer callback. */
1.214 nicm 93: static void
1.281 nicm 94: server_client_overlay_timer(__unused int fd, __unused short events, void *data)
1.214 nicm 95: {
1.281 nicm 96: server_client_clear_overlay(data);
1.214 nicm 97: }
98:
1.281 nicm 99: /* Set an overlay on client. */
1.214 nicm 100: void
1.309 nicm 101: server_client_set_overlay(struct client *c, u_int delay,
102: overlay_check_cb checkcb, overlay_mode_cb modecb,
103: overlay_draw_cb drawcb, overlay_key_cb keycb, overlay_free_cb freecb,
104: void *data)
1.214 nicm 105: {
106: struct timeval tv;
107:
1.282 nicm 108: if (c->overlay_draw != NULL)
109: server_client_clear_overlay(c);
110:
1.214 nicm 111: tv.tv_sec = delay / 1000;
112: tv.tv_usec = (delay % 1000) * 1000L;
113:
1.281 nicm 114: if (event_initialized(&c->overlay_timer))
115: evtimer_del(&c->overlay_timer);
116: evtimer_set(&c->overlay_timer, server_client_overlay_timer, c);
1.242 nicm 117: if (delay != 0)
1.281 nicm 118: evtimer_add(&c->overlay_timer, &tv);
119:
1.309 nicm 120: c->overlay_check = checkcb;
121: c->overlay_mode = modecb;
1.281 nicm 122: c->overlay_draw = drawcb;
123: c->overlay_key = keycb;
124: c->overlay_free = freecb;
125: c->overlay_data = data;
1.214 nicm 126:
1.309 nicm 127: c->tty.flags |= TTY_FREEZE;
128: if (c->overlay_mode == NULL)
129: c->tty.flags |= TTY_NOCURSOR;
1.214 nicm 130: server_redraw_client(c);
131: }
132:
1.281 nicm 133: /* Clear overlay mode on client. */
1.309 nicm 134: void
1.281 nicm 135: server_client_clear_overlay(struct client *c)
1.214 nicm 136: {
1.281 nicm 137: if (c->overlay_draw == NULL)
1.214 nicm 138: return;
139:
1.281 nicm 140: if (event_initialized(&c->overlay_timer))
141: evtimer_del(&c->overlay_timer);
142:
143: if (c->overlay_free != NULL)
144: c->overlay_free(c);
145:
1.309 nicm 146: c->overlay_check = NULL;
147: c->overlay_mode = NULL;
1.281 nicm 148: c->overlay_draw = NULL;
149: c->overlay_key = NULL;
1.309 nicm 150: c->overlay_free = NULL;
151: c->overlay_data = NULL;
1.214 nicm 152:
153: c->tty.flags &= ~(TTY_FREEZE|TTY_NOCURSOR);
154: server_redraw_client(c);
155: }
156:
1.140 nicm 157: /* Check if this client is inside this server. */
158: int
159: server_client_check_nested(struct client *c)
160: {
161: struct environ_entry *envent;
162: struct window_pane *wp;
163:
1.164 nicm 164: envent = environ_find(c->environ, "TMUX");
1.140 nicm 165: if (envent == NULL || *envent->value == '\0')
166: return (0);
167:
168: RB_FOREACH(wp, window_pane_tree, &all_window_panes) {
1.216 nicm 169: if (strcmp(wp->tty, c->ttyname) == 0)
1.140 nicm 170: return (1);
171: }
172: return (0);
173: }
1.1 nicm 174:
1.132 nicm 175: /* Set client key table. */
176: void
1.178 nicm 177: server_client_set_key_table(struct client *c, const char *name)
1.132 nicm 178: {
1.178 nicm 179: if (name == NULL)
180: name = server_client_get_key_table(c);
181:
1.132 nicm 182: key_bindings_unref_table(c->keytable);
183: c->keytable = key_bindings_get_table(name, 1);
184: c->keytable->references++;
185: }
186:
1.178 nicm 187: /* Get default key table. */
188: const char *
189: server_client_get_key_table(struct client *c)
190: {
191: struct session *s = c->session;
192: const char *name;
193:
194: if (s == NULL)
195: return ("root");
196:
197: name = options_get_string(s->options, "key-table");
198: if (*name == '\0')
199: return ("root");
200: return (name);
201: }
202:
1.223 nicm 203: /* Is this table the default key table? */
204: static int
205: server_client_is_default_key_table(struct client *c, struct key_table *table)
1.191 nicm 206: {
1.223 nicm 207: return (strcmp(table->name, server_client_get_key_table(c)) == 0);
1.191 nicm 208: }
209:
1.1 nicm 210: /* Create a new client. */
1.246 nicm 211: struct client *
1.1 nicm 212: server_client_create(int fd)
213: {
214: struct client *c;
215:
1.49 nicm 216: setblocking(fd, 0);
1.1 nicm 217:
218: c = xcalloc(1, sizeof *c);
1.141 nicm 219: c->references = 1;
1.162 nicm 220: c->peer = proc_add_peer(server_proc, fd, server_client_dispatch, c);
1.25 nicm 221:
1.10 nicm 222: if (gettimeofday(&c->creation_time, NULL) != 0)
1.1 nicm 223: fatal("gettimeofday failed");
1.11 nicm 224: memcpy(&c->activity_time, &c->creation_time, sizeof c->activity_time);
1.111 nicm 225:
1.164 nicm 226: c->environ = environ_create();
1.1 nicm 227:
1.146 nicm 228: c->fd = -1;
1.351 nicm 229: c->out_fd = -1;
1.145 nicm 230:
1.316 nicm 231: c->queue = cmdq_new();
1.341 nicm 232: RB_INIT(&c->windows);
1.345 nicm 233: RB_INIT(&c->files);
1.94 nicm 234:
1.1 nicm 235: c->tty.sx = 80;
236: c->tty.sy = 24;
237:
1.271 nicm 238: status_init(c);
1.93 nicm 239: c->flags |= CLIENT_FOCUSED;
240:
1.132 nicm 241: c->keytable = key_bindings_get_table("root", 1);
242: c->keytable->references++;
243:
1.17 nicm 244: evtimer_set(&c->repeat_timer, server_client_repeat_timer, c);
1.192 nicm 245: evtimer_set(&c->click_timer, server_client_click_timer, c);
1.17 nicm 246:
1.135 nicm 247: TAILQ_INSERT_TAIL(&clients, c, entry);
1.157 nicm 248: log_debug("new client %p", c);
1.246 nicm 249: return (c);
1.72 nicm 250: }
251:
252: /* Open client terminal if needed. */
253: int
1.119 nicm 254: server_client_open(struct client *c, char **cause)
1.72 nicm 255: {
1.339 nicm 256: const char *ttynam = _PATH_TTY;
257:
1.75 nicm 258: if (c->flags & CLIENT_CONTROL)
259: return (0);
1.120 nicm 260:
1.339 nicm 261: if (strcmp(c->ttyname, ttynam) == 0||
262: ((isatty(STDIN_FILENO) &&
263: (ttynam = ttyname(STDIN_FILENO)) != NULL &&
264: strcmp(c->ttyname, ttynam) == 0) ||
265: (isatty(STDOUT_FILENO) &&
266: (ttynam = ttyname(STDOUT_FILENO)) != NULL &&
267: strcmp(c->ttyname, ttynam) == 0) ||
268: (isatty(STDERR_FILENO) &&
269: (ttynam = ttyname(STDERR_FILENO)) != NULL &&
270: strcmp(c->ttyname, ttynam) == 0))) {
271: xasprintf(cause, "can't use %s", c->ttyname);
1.120 nicm 272: return (-1);
273: }
1.75 nicm 274:
1.72 nicm 275: if (!(c->flags & CLIENT_TERMINAL)) {
1.116 nicm 276: *cause = xstrdup("not a terminal");
1.72 nicm 277: return (-1);
278: }
279:
1.119 nicm 280: if (tty_open(&c->tty, cause) != 0)
1.72 nicm 281: return (-1);
282:
283: return (0);
1.1 nicm 284: }
285:
286: /* Lost a client. */
287: void
288: server_client_lost(struct client *c)
289: {
1.340 nicm 290: struct client_file *cf, *cf1;
1.341 nicm 291: struct client_window *cw, *cw1;
1.1 nicm 292:
1.141 nicm 293: c->flags |= CLIENT_DEAD;
294:
1.281 nicm 295: server_client_clear_overlay(c);
1.141 nicm 296: status_prompt_clear(c);
297: status_message_clear(c);
298:
1.340 nicm 299: RB_FOREACH_SAFE(cf, client_files, &c->files, cf1) {
1.300 nicm 300: cf->error = EINTR;
301: file_fire_done(cf);
302: }
1.341 nicm 303: RB_FOREACH_SAFE(cw, client_windows, &c->windows, cw1) {
304: RB_REMOVE(client_windows, &c->windows, cw);
305: free(cw);
306: }
1.141 nicm 307:
1.135 nicm 308: TAILQ_REMOVE(&clients, c, entry);
1.157 nicm 309: log_debug("lost client %p", c);
1.1 nicm 310:
1.349 nicm 311: if (c->flags & CLIENT_CONTROL)
312: control_stop(c);
1.1 nicm 313: if (c->flags & CLIENT_TERMINAL)
314: tty_free(&c->tty);
1.109 nicm 315: free(c->ttyname);
1.333 nicm 316:
1.329 nicm 317: free(c->term_name);
1.333 nicm 318: free(c->term_type);
1.1 nicm 319:
1.270 nicm 320: status_free(c);
1.1 nicm 321:
1.77 nicm 322: free(c->title);
1.165 nicm 323: free((void *)c->cwd);
1.1 nicm 324:
1.17 nicm 325: evtimer_del(&c->repeat_timer);
1.192 nicm 326: evtimer_del(&c->click_timer);
1.17 nicm 327:
1.132 nicm 328: key_bindings_unref_table(c->keytable);
329:
1.77 nicm 330: free(c->message_string);
1.116 nicm 331: if (event_initialized(&c->message_timer))
1.69 nicm 332: evtimer_del(&c->message_timer);
1.1 nicm 333:
1.259 nicm 334: free(c->prompt_saved);
1.77 nicm 335: free(c->prompt_string);
336: free(c->prompt_buffer);
1.61 nicm 337:
1.228 nicm 338: format_lost_client(c);
1.164 nicm 339: environ_free(c->environ);
1.1 nicm 340:
1.162 nicm 341: proc_remove_peer(c->peer);
342: c->peer = NULL;
1.13 nicm 343:
1.351 nicm 344: if (c->out_fd != -1)
345: close(c->out_fd);
1.348 nicm 346: if (c->fd != -1) {
347: close(c->fd);
348: c->fd = -1;
349: }
1.142 nicm 350: server_client_unref(c);
1.71 nicm 351:
352: server_add_accept(0); /* may be more file descriptors now */
1.1 nicm 353:
354: recalculate_sizes();
1.41 nicm 355: server_check_unattached();
1.19 nicm 356: server_update_socket();
1.141 nicm 357: }
358:
359: /* Remove reference from a client. */
360: void
1.142 nicm 361: server_client_unref(struct client *c)
1.141 nicm 362: {
1.157 nicm 363: log_debug("unref client %p (%d references)", c, c->references);
1.141 nicm 364:
365: c->references--;
366: if (c->references == 0)
367: event_once(-1, EV_TIMEOUT, server_client_free, c, NULL);
368: }
369:
370: /* Free dead client. */
1.190 nicm 371: static void
1.170 nicm 372: server_client_free(__unused int fd, __unused short events, void *arg)
1.141 nicm 373: {
374: struct client *c = arg;
375:
1.157 nicm 376: log_debug("free client %p (%d references)", c, c->references);
1.141 nicm 377:
1.316 nicm 378: cmdq_free(c->queue);
1.194 nicm 379:
1.216 nicm 380: if (c->references == 0) {
381: free((void *)c->name);
1.141 nicm 382: free(c);
1.216 nicm 383: }
1.9 nicm 384: }
385:
1.220 nicm 386: /* Suspend a client. */
387: void
388: server_client_suspend(struct client *c)
389: {
1.232 nicm 390: struct session *s = c->session;
1.220 nicm 391:
1.352 nicm 392: if (s == NULL || (c->flags & CLIENT_UNATTACHEDFLAGS))
1.220 nicm 393: return;
394:
395: tty_stop_tty(&c->tty);
396: c->flags |= CLIENT_SUSPENDED;
397: proc_send(c->peer, MSG_SUSPEND, -1, NULL, 0);
398: }
399:
1.174 nicm 400: /* Detach a client. */
401: void
402: server_client_detach(struct client *c, enum msgtype msgtype)
403: {
1.232 nicm 404: struct session *s = c->session;
1.174 nicm 405:
1.352 nicm 406: if (s == NULL || (c->flags & CLIENT_UNATTACHEDFLAGS))
1.174 nicm 407: return;
408:
1.352 nicm 409: c->flags |= CLIENT_EXIT;
410:
411: c->exit_type = CLIENT_EXIT_DETACH;
412: c->exit_msgtype = msgtype;
413: c->exit_session = xstrdup(s->name);
1.207 nicm 414: }
415:
1.208 nicm 416: /* Execute command to replace a client. */
1.207 nicm 417: void
418: server_client_exec(struct client *c, const char *cmd)
419: {
420: struct session *s = c->session;
1.208 nicm 421: char *msg;
422: const char *shell;
1.207 nicm 423: size_t cmdsize, shellsize;
424:
425: if (*cmd == '\0')
426: return;
427: cmdsize = strlen(cmd) + 1;
428:
429: if (s != NULL)
430: shell = options_get_string(s->options, "default-shell");
431: else
432: shell = options_get_string(global_s_options, "default-shell");
1.308 nicm 433: if (!checkshell(shell))
434: shell = _PATH_BSHELL;
1.207 nicm 435: shellsize = strlen(shell) + 1;
436:
437: msg = xmalloc(cmdsize + shellsize);
438: memcpy(msg, cmd, cmdsize);
439: memcpy(msg + cmdsize, shell, shellsize);
440:
441: proc_send(c->peer, MSG_EXEC, -1, msg, cmdsize + shellsize);
442: free(msg);
1.174 nicm 443: }
444:
1.66 nicm 445: /* Check for mouse keys. */
1.190 nicm 446: static key_code
1.276 nicm 447: server_client_check_mouse(struct client *c, struct key_event *event)
1.66 nicm 448: {
1.276 nicm 449: struct mouse_event *m = &event->m;
1.192 nicm 450: struct session *s = c->session;
1.272 nicm 451: struct winlink *wl;
1.192 nicm 452: struct window_pane *wp;
1.261 nicm 453: u_int x, y, b, sx, sy, px, py;
1.307 nicm 454: int ignore = 0;
1.192 nicm 455: key_code key;
456: struct timeval tv;
1.272 nicm 457: struct style_range *sr;
1.283 nicm 458: enum { NOTYPE,
459: MOVE,
460: DOWN,
461: UP,
462: DRAG,
463: WHEEL,
1.311 nicm 464: SECOND,
1.283 nicm 465: DOUBLE,
466: TRIPLE } type = NOTYPE;
1.276 nicm 467: enum { NOWHERE,
468: PANE,
469: STATUS,
470: STATUS_LEFT,
471: STATUS_RIGHT,
472: STATUS_DEFAULT,
1.283 nicm 473: BORDER } where = NOWHERE;
1.131 nicm 474:
1.261 nicm 475: log_debug("%s mouse %02x at %u,%u (last %u,%u) (%d)", c->name, m->b,
476: m->x, m->y, m->lx, m->ly, c->tty.mouse_drag_flag);
1.131 nicm 477:
478: /* What type of event is this? */
1.306 nicm 479: if (event->key == KEYC_DOUBLECLICK) {
480: type = DOUBLE;
481: x = m->x, y = m->y, b = m->b;
1.307 nicm 482: ignore = 1;
1.306 nicm 483: log_debug("double-click at %u,%u", x, y);
484: } else if ((m->sgr_type != ' ' &&
1.209 nicm 485: MOUSE_DRAG(m->sgr_b) &&
486: MOUSE_BUTTONS(m->sgr_b) == 3) ||
487: (m->sgr_type == ' ' &&
488: MOUSE_DRAG(m->b) &&
489: MOUSE_BUTTONS(m->b) == 3 &&
490: MOUSE_BUTTONS(m->lb) == 3)) {
491: type = MOVE;
492: x = m->x, y = m->y, b = 0;
493: log_debug("move at %u,%u", x, y);
494: } else if (MOUSE_DRAG(m->b)) {
1.131 nicm 495: type = DRAG;
496: if (c->tty.mouse_drag_flag) {
497: x = m->x, y = m->y, b = m->b;
1.278 nicm 498: if (x == m->lx && y == m->ly)
499: return (KEYC_UNKNOWN);
1.131 nicm 500: log_debug("drag update at %u,%u", x, y);
501: } else {
1.277 nicm 502: x = m->lx, y = m->ly, b = m->lb;
1.131 nicm 503: log_debug("drag start at %u,%u", x, y);
504: }
505: } else if (MOUSE_WHEEL(m->b)) {
506: type = WHEEL;
507: x = m->x, y = m->y, b = m->b;
508: log_debug("wheel at %u,%u", x, y);
1.200 nicm 509: } else if (MOUSE_RELEASE(m->b)) {
1.131 nicm 510: type = UP;
511: x = m->x, y = m->y, b = m->lb;
512: log_debug("up at %u,%u", x, y);
513: } else {
1.192 nicm 514: if (c->flags & CLIENT_DOUBLECLICK) {
515: evtimer_del(&c->click_timer);
516: c->flags &= ~CLIENT_DOUBLECLICK;
517: if (m->b == c->click_button) {
1.311 nicm 518: type = SECOND;
519: x = m->x, y = m->y, b = m->b;
520: log_debug("second-click at %u,%u", x, y);
1.306 nicm 521: c->flags |= CLIENT_TRIPLECLICK;
1.192 nicm 522: }
523: } else if (c->flags & CLIENT_TRIPLECLICK) {
524: evtimer_del(&c->click_timer);
525: c->flags &= ~CLIENT_TRIPLECLICK;
526: if (m->b == c->click_button) {
527: type = TRIPLE;
528: x = m->x, y = m->y, b = m->b;
529: log_debug("triple-click at %u,%u", x, y);
530: goto have_event;
531: }
1.311 nicm 532: } else {
533: type = DOWN;
534: x = m->x, y = m->y, b = m->b;
535: log_debug("down at %u,%u", x, y);
1.307 nicm 536: c->flags |= CLIENT_DOUBLECLICK;
1.311 nicm 537: }
1.192 nicm 538:
539: if (KEYC_CLICK_TIMEOUT != 0) {
1.306 nicm 540: memcpy(&c->click_event, m, sizeof c->click_event);
1.192 nicm 541: c->click_button = m->b;
542:
1.312 nicm 543: log_debug("click timer started");
1.192 nicm 544: tv.tv_sec = KEYC_CLICK_TIMEOUT / 1000;
545: tv.tv_usec = (KEYC_CLICK_TIMEOUT % 1000) * 1000L;
546: evtimer_del(&c->click_timer);
547: evtimer_add(&c->click_timer, &tv);
548: }
1.131 nicm 549: }
1.192 nicm 550:
551: have_event:
1.131 nicm 552: if (type == NOTYPE)
1.177 nicm 553: return (KEYC_UNKNOWN);
1.131 nicm 554:
1.258 nicm 555: /* Save the session. */
1.131 nicm 556: m->s = s->id;
1.258 nicm 557: m->w = -1;
1.307 nicm 558: m->ignore = ignore;
1.131 nicm 559:
560: /* Is this on the status line? */
561: m->statusat = status_at_line(c);
1.292 nicm 562: m->statuslines = status_line_size(c);
1.272 nicm 563: if (m->statusat != -1 &&
564: y >= (u_int)m->statusat &&
1.292 nicm 565: y < m->statusat + m->statuslines) {
1.272 nicm 566: sr = status_get_range(c, x, y - m->statusat);
1.274 nicm 567: if (sr == NULL) {
568: where = STATUS_DEFAULT;
569: } else {
570: switch (sr->type) {
571: case STYLE_RANGE_NONE:
1.273 nicm 572: return (KEYC_UNKNOWN);
1.274 nicm 573: case STYLE_RANGE_LEFT:
574: where = STATUS_LEFT;
575: break;
576: case STYLE_RANGE_RIGHT:
577: where = STATUS_RIGHT;
578: break;
579: case STYLE_RANGE_WINDOW:
1.298 nicm 580: wl = winlink_find_by_index(&s->windows,
581: sr->argument);
1.274 nicm 582: if (wl == NULL)
583: return (KEYC_UNKNOWN);
584: m->w = wl->window->id;
1.273 nicm 585:
1.274 nicm 586: where = STATUS;
587: break;
588: }
1.258 nicm 589: }
590: }
1.131 nicm 591:
592: /* Not on status line. Adjust position and check for border or pane. */
593: if (where == NOWHERE) {
1.261 nicm 594: px = x;
1.292 nicm 595: if (m->statusat == 0 && y >= m->statuslines)
596: py = y - m->statuslines;
1.131 nicm 597: else if (m->statusat > 0 && y >= (u_int)m->statusat)
1.261 nicm 598: py = m->statusat - 1;
599: else
600: py = y;
601:
602: tty_window_offset(&c->tty, &m->ox, &m->oy, &sx, &sy);
603: log_debug("mouse window @%u at %u,%u (%ux%u)",
604: s->curw->window->id, m->ox, m->oy, sx, sy);
605: if (px > sx || py > sy)
606: return (KEYC_UNKNOWN);
607: px = px + m->ox;
608: py = py + m->oy;
1.131 nicm 609:
1.260 nicm 610: /* Try the pane borders if not zoomed. */
611: if (~s->curw->window->flags & WINDOW_ZOOMED) {
612: TAILQ_FOREACH(wp, &s->curw->window->panes, entry) {
1.261 nicm 613: if ((wp->xoff + wp->sx == px &&
614: wp->yoff <= 1 + py &&
615: wp->yoff + wp->sy >= py) ||
616: (wp->yoff + wp->sy == py &&
617: wp->xoff <= 1 + px &&
618: wp->xoff + wp->sx >= px))
1.260 nicm 619: break;
620: }
621: if (wp != NULL)
622: where = BORDER;
1.131 nicm 623: }
1.260 nicm 624:
625: /* Otherwise try inside the pane. */
626: if (where == NOWHERE) {
1.261 nicm 627: wp = window_get_active_at(s->curw->window, px, py);
1.260 nicm 628: if (wp != NULL)
1.131 nicm 629: where = PANE;
1.315 nicm 630: else
631: return (KEYC_UNKNOWN);
1.131 nicm 632: }
1.260 nicm 633: if (where == PANE)
634: log_debug("mouse %u,%u on pane %%%u", x, y, wp->id);
635: else if (where == BORDER)
636: log_debug("mouse on pane %%%u border", wp->id);
1.131 nicm 637: m->wp = wp->id;
638: m->w = wp->window->id;
639: } else
640: m->wp = -1;
641:
642: /* Stop dragging if needed. */
1.200 nicm 643: if (type != DRAG && type != WHEEL && c->tty.mouse_drag_flag) {
1.131 nicm 644: if (c->tty.mouse_drag_release != NULL)
645: c->tty.mouse_drag_release(c, m);
646:
647: c->tty.mouse_drag_update = NULL;
648: c->tty.mouse_drag_release = NULL;
649:
1.182 nicm 650: /*
1.183 nicm 651: * End a mouse drag by passing a MouseDragEnd key corresponding
652: * to the button that started the drag.
1.182 nicm 653: */
654: switch (c->tty.mouse_drag_flag) {
655: case 1:
656: if (where == PANE)
1.183 nicm 657: key = KEYC_MOUSEDRAGEND1_PANE;
1.182 nicm 658: if (where == STATUS)
1.183 nicm 659: key = KEYC_MOUSEDRAGEND1_STATUS;
1.258 nicm 660: if (where == STATUS_LEFT)
661: key = KEYC_MOUSEDRAGEND1_STATUS_LEFT;
662: if (where == STATUS_RIGHT)
663: key = KEYC_MOUSEDRAGEND1_STATUS_RIGHT;
1.274 nicm 664: if (where == STATUS_DEFAULT)
665: key = KEYC_MOUSEDRAGEND1_STATUS_DEFAULT;
1.182 nicm 666: if (where == BORDER)
1.183 nicm 667: key = KEYC_MOUSEDRAGEND1_BORDER;
1.182 nicm 668: break;
669: case 2:
670: if (where == PANE)
1.183 nicm 671: key = KEYC_MOUSEDRAGEND2_PANE;
1.182 nicm 672: if (where == STATUS)
1.183 nicm 673: key = KEYC_MOUSEDRAGEND2_STATUS;
1.258 nicm 674: if (where == STATUS_LEFT)
675: key = KEYC_MOUSEDRAGEND2_STATUS_LEFT;
676: if (where == STATUS_RIGHT)
677: key = KEYC_MOUSEDRAGEND2_STATUS_RIGHT;
1.274 nicm 678: if (where == STATUS_DEFAULT)
679: key = KEYC_MOUSEDRAGEND2_STATUS_DEFAULT;
1.182 nicm 680: if (where == BORDER)
1.183 nicm 681: key = KEYC_MOUSEDRAGEND2_BORDER;
1.182 nicm 682: break;
683: case 3:
684: if (where == PANE)
1.183 nicm 685: key = KEYC_MOUSEDRAGEND3_PANE;
1.182 nicm 686: if (where == STATUS)
1.183 nicm 687: key = KEYC_MOUSEDRAGEND3_STATUS;
1.258 nicm 688: if (where == STATUS_LEFT)
689: key = KEYC_MOUSEDRAGEND3_STATUS_LEFT;
690: if (where == STATUS_RIGHT)
691: key = KEYC_MOUSEDRAGEND3_STATUS_RIGHT;
1.274 nicm 692: if (where == STATUS_DEFAULT)
693: key = KEYC_MOUSEDRAGEND3_STATUS_DEFAULT;
1.182 nicm 694: if (where == BORDER)
1.183 nicm 695: key = KEYC_MOUSEDRAGEND3_BORDER;
1.182 nicm 696: break;
697: default:
698: key = KEYC_MOUSE;
699: break;
700: }
1.131 nicm 701: c->tty.mouse_drag_flag = 0;
1.305 nicm 702: goto out;
1.131 nicm 703: }
704:
705: /* Convert to a key binding. */
1.177 nicm 706: key = KEYC_UNKNOWN;
1.131 nicm 707: switch (type) {
708: case NOTYPE:
709: break;
1.209 nicm 710: case MOVE:
711: if (where == PANE)
712: key = KEYC_MOUSEMOVE_PANE;
713: if (where == STATUS)
714: key = KEYC_MOUSEMOVE_STATUS;
1.274 nicm 715: if (where == STATUS_LEFT)
716: key = KEYC_MOUSEMOVE_STATUS_LEFT;
717: if (where == STATUS_RIGHT)
718: key = KEYC_MOUSEMOVE_STATUS_RIGHT;
719: if (where == STATUS_DEFAULT)
720: key = KEYC_MOUSEMOVE_STATUS_DEFAULT;
1.209 nicm 721: if (where == BORDER)
722: key = KEYC_MOUSEMOVE_BORDER;
723: break;
1.131 nicm 724: case DRAG:
1.204 nicm 725: if (c->tty.mouse_drag_update != NULL)
726: key = KEYC_DRAGGING;
727: else {
1.131 nicm 728: switch (MOUSE_BUTTONS(b)) {
729: case 0:
730: if (where == PANE)
731: key = KEYC_MOUSEDRAG1_PANE;
732: if (where == STATUS)
733: key = KEYC_MOUSEDRAG1_STATUS;
1.258 nicm 734: if (where == STATUS_LEFT)
735: key = KEYC_MOUSEDRAG1_STATUS_LEFT;
736: if (where == STATUS_RIGHT)
737: key = KEYC_MOUSEDRAG1_STATUS_RIGHT;
1.274 nicm 738: if (where == STATUS_DEFAULT)
739: key = KEYC_MOUSEDRAG1_STATUS_DEFAULT;
1.131 nicm 740: if (where == BORDER)
741: key = KEYC_MOUSEDRAG1_BORDER;
742: break;
743: case 1:
744: if (where == PANE)
745: key = KEYC_MOUSEDRAG2_PANE;
746: if (where == STATUS)
747: key = KEYC_MOUSEDRAG2_STATUS;
1.258 nicm 748: if (where == STATUS_LEFT)
749: key = KEYC_MOUSEDRAG2_STATUS_LEFT;
750: if (where == STATUS_RIGHT)
751: key = KEYC_MOUSEDRAG2_STATUS_RIGHT;
1.274 nicm 752: if (where == STATUS_DEFAULT)
753: key = KEYC_MOUSEDRAG2_STATUS_DEFAULT;
1.131 nicm 754: if (where == BORDER)
755: key = KEYC_MOUSEDRAG2_BORDER;
756: break;
757: case 2:
758: if (where == PANE)
759: key = KEYC_MOUSEDRAG3_PANE;
760: if (where == STATUS)
761: key = KEYC_MOUSEDRAG3_STATUS;
1.258 nicm 762: if (where == STATUS_LEFT)
763: key = KEYC_MOUSEDRAG3_STATUS_LEFT;
764: if (where == STATUS_RIGHT)
765: key = KEYC_MOUSEDRAG3_STATUS_RIGHT;
1.274 nicm 766: if (where == STATUS_DEFAULT)
767: key = KEYC_MOUSEDRAG3_STATUS_DEFAULT;
1.131 nicm 768: if (where == BORDER)
769: key = KEYC_MOUSEDRAG3_BORDER;
770: break;
771: }
772: }
1.66 nicm 773:
1.182 nicm 774: /*
775: * Begin a drag by setting the flag to a non-zero value that
776: * corresponds to the mouse button in use.
777: */
778: c->tty.mouse_drag_flag = MOUSE_BUTTONS(b) + 1;
1.131 nicm 779: break;
780: case WHEEL:
781: if (MOUSE_BUTTONS(b) == MOUSE_WHEEL_UP) {
782: if (where == PANE)
783: key = KEYC_WHEELUP_PANE;
784: if (where == STATUS)
785: key = KEYC_WHEELUP_STATUS;
1.258 nicm 786: if (where == STATUS_LEFT)
787: key = KEYC_WHEELUP_STATUS_LEFT;
788: if (where == STATUS_RIGHT)
789: key = KEYC_WHEELUP_STATUS_RIGHT;
1.274 nicm 790: if (where == STATUS_DEFAULT)
791: key = KEYC_WHEELUP_STATUS_DEFAULT;
1.131 nicm 792: if (where == BORDER)
793: key = KEYC_WHEELUP_BORDER;
794: } else {
795: if (where == PANE)
796: key = KEYC_WHEELDOWN_PANE;
797: if (where == STATUS)
798: key = KEYC_WHEELDOWN_STATUS;
1.274 nicm 799: if (where == STATUS_LEFT)
800: key = KEYC_WHEELDOWN_STATUS_LEFT;
801: if (where == STATUS_RIGHT)
802: key = KEYC_WHEELDOWN_STATUS_RIGHT;
803: if (where == STATUS_DEFAULT)
804: key = KEYC_WHEELDOWN_STATUS_DEFAULT;
1.131 nicm 805: if (where == BORDER)
806: key = KEYC_WHEELDOWN_BORDER;
807: }
808: break;
809: case UP:
810: switch (MOUSE_BUTTONS(b)) {
811: case 0:
812: if (where == PANE)
813: key = KEYC_MOUSEUP1_PANE;
814: if (where == STATUS)
815: key = KEYC_MOUSEUP1_STATUS;
1.258 nicm 816: if (where == STATUS_LEFT)
817: key = KEYC_MOUSEUP1_STATUS_LEFT;
818: if (where == STATUS_RIGHT)
819: key = KEYC_MOUSEUP1_STATUS_RIGHT;
1.274 nicm 820: if (where == STATUS_DEFAULT)
821: key = KEYC_MOUSEUP1_STATUS_DEFAULT;
1.131 nicm 822: if (where == BORDER)
823: key = KEYC_MOUSEUP1_BORDER;
824: break;
825: case 1:
826: if (where == PANE)
827: key = KEYC_MOUSEUP2_PANE;
828: if (where == STATUS)
829: key = KEYC_MOUSEUP2_STATUS;
1.258 nicm 830: if (where == STATUS_LEFT)
831: key = KEYC_MOUSEUP2_STATUS_LEFT;
832: if (where == STATUS_RIGHT)
833: key = KEYC_MOUSEUP2_STATUS_RIGHT;
1.274 nicm 834: if (where == STATUS_DEFAULT)
835: key = KEYC_MOUSEUP2_STATUS_DEFAULT;
1.131 nicm 836: if (where == BORDER)
837: key = KEYC_MOUSEUP2_BORDER;
838: break;
839: case 2:
840: if (where == PANE)
841: key = KEYC_MOUSEUP3_PANE;
842: if (where == STATUS)
843: key = KEYC_MOUSEUP3_STATUS;
1.258 nicm 844: if (where == STATUS_LEFT)
845: key = KEYC_MOUSEUP3_STATUS_LEFT;
846: if (where == STATUS_RIGHT)
847: key = KEYC_MOUSEUP3_STATUS_RIGHT;
1.274 nicm 848: if (where == STATUS_DEFAULT)
849: key = KEYC_MOUSEUP3_STATUS_DEFAULT;
1.131 nicm 850: if (where == BORDER)
851: key = KEYC_MOUSEUP3_BORDER;
852: break;
853: }
854: break;
855: case DOWN:
856: switch (MOUSE_BUTTONS(b)) {
857: case 0:
858: if (where == PANE)
859: key = KEYC_MOUSEDOWN1_PANE;
860: if (where == STATUS)
861: key = KEYC_MOUSEDOWN1_STATUS;
1.258 nicm 862: if (where == STATUS_LEFT)
863: key = KEYC_MOUSEDOWN1_STATUS_LEFT;
864: if (where == STATUS_RIGHT)
865: key = KEYC_MOUSEDOWN1_STATUS_RIGHT;
1.274 nicm 866: if (where == STATUS_DEFAULT)
867: key = KEYC_MOUSEDOWN1_STATUS_DEFAULT;
1.131 nicm 868: if (where == BORDER)
869: key = KEYC_MOUSEDOWN1_BORDER;
870: break;
871: case 1:
872: if (where == PANE)
873: key = KEYC_MOUSEDOWN2_PANE;
874: if (where == STATUS)
875: key = KEYC_MOUSEDOWN2_STATUS;
1.258 nicm 876: if (where == STATUS_LEFT)
877: key = KEYC_MOUSEDOWN2_STATUS_LEFT;
878: if (where == STATUS_RIGHT)
879: key = KEYC_MOUSEDOWN2_STATUS_RIGHT;
1.274 nicm 880: if (where == STATUS_DEFAULT)
881: key = KEYC_MOUSEDOWN2_STATUS_DEFAULT;
1.131 nicm 882: if (where == BORDER)
883: key = KEYC_MOUSEDOWN2_BORDER;
884: break;
885: case 2:
886: if (where == PANE)
887: key = KEYC_MOUSEDOWN3_PANE;
888: if (where == STATUS)
889: key = KEYC_MOUSEDOWN3_STATUS;
1.258 nicm 890: if (where == STATUS_LEFT)
891: key = KEYC_MOUSEDOWN3_STATUS_LEFT;
892: if (where == STATUS_RIGHT)
893: key = KEYC_MOUSEDOWN3_STATUS_RIGHT;
1.274 nicm 894: if (where == STATUS_DEFAULT)
895: key = KEYC_MOUSEDOWN3_STATUS_DEFAULT;
1.131 nicm 896: if (where == BORDER)
897: key = KEYC_MOUSEDOWN3_BORDER;
1.311 nicm 898: break;
899: }
900: break;
901: case SECOND:
902: switch (MOUSE_BUTTONS(b)) {
903: case 0:
904: if (where == PANE)
905: key = KEYC_SECONDCLICK1_PANE;
906: if (where == STATUS)
907: key = KEYC_SECONDCLICK1_STATUS;
908: if (where == STATUS_LEFT)
909: key = KEYC_SECONDCLICK1_STATUS_LEFT;
910: if (where == STATUS_RIGHT)
911: key = KEYC_SECONDCLICK1_STATUS_RIGHT;
912: if (where == STATUS_DEFAULT)
913: key = KEYC_SECONDCLICK1_STATUS_DEFAULT;
914: if (where == BORDER)
915: key = KEYC_SECONDCLICK1_BORDER;
916: break;
917: case 1:
918: if (where == PANE)
919: key = KEYC_SECONDCLICK2_PANE;
920: if (where == STATUS)
921: key = KEYC_SECONDCLICK2_STATUS;
922: if (where == STATUS_LEFT)
923: key = KEYC_SECONDCLICK2_STATUS_LEFT;
924: if (where == STATUS_RIGHT)
925: key = KEYC_SECONDCLICK2_STATUS_RIGHT;
926: if (where == STATUS_DEFAULT)
927: key = KEYC_SECONDCLICK2_STATUS_DEFAULT;
928: if (where == BORDER)
929: key = KEYC_SECONDCLICK2_BORDER;
930: break;
931: case 2:
932: if (where == PANE)
933: key = KEYC_SECONDCLICK3_PANE;
934: if (where == STATUS)
935: key = KEYC_SECONDCLICK3_STATUS;
936: if (where == STATUS_LEFT)
937: key = KEYC_SECONDCLICK3_STATUS_LEFT;
938: if (where == STATUS_RIGHT)
939: key = KEYC_SECONDCLICK3_STATUS_RIGHT;
940: if (where == STATUS_DEFAULT)
941: key = KEYC_SECONDCLICK3_STATUS_DEFAULT;
942: if (where == BORDER)
943: key = KEYC_SECONDCLICK3_BORDER;
1.131 nicm 944: break;
1.66 nicm 945: }
1.131 nicm 946: break;
1.192 nicm 947: case DOUBLE:
948: switch (MOUSE_BUTTONS(b)) {
949: case 0:
950: if (where == PANE)
951: key = KEYC_DOUBLECLICK1_PANE;
952: if (where == STATUS)
953: key = KEYC_DOUBLECLICK1_STATUS;
1.258 nicm 954: if (where == STATUS_LEFT)
955: key = KEYC_DOUBLECLICK1_STATUS_LEFT;
956: if (where == STATUS_RIGHT)
957: key = KEYC_DOUBLECLICK1_STATUS_RIGHT;
1.274 nicm 958: if (where == STATUS_DEFAULT)
959: key = KEYC_DOUBLECLICK1_STATUS_DEFAULT;
1.192 nicm 960: if (where == BORDER)
961: key = KEYC_DOUBLECLICK1_BORDER;
962: break;
963: case 1:
964: if (where == PANE)
965: key = KEYC_DOUBLECLICK2_PANE;
966: if (where == STATUS)
967: key = KEYC_DOUBLECLICK2_STATUS;
1.258 nicm 968: if (where == STATUS_LEFT)
969: key = KEYC_DOUBLECLICK2_STATUS_LEFT;
970: if (where == STATUS_RIGHT)
971: key = KEYC_DOUBLECLICK2_STATUS_RIGHT;
1.274 nicm 972: if (where == STATUS_DEFAULT)
973: key = KEYC_DOUBLECLICK2_STATUS_DEFAULT;
1.192 nicm 974: if (where == BORDER)
975: key = KEYC_DOUBLECLICK2_BORDER;
976: break;
977: case 2:
978: if (where == PANE)
979: key = KEYC_DOUBLECLICK3_PANE;
980: if (where == STATUS)
981: key = KEYC_DOUBLECLICK3_STATUS;
1.258 nicm 982: if (where == STATUS_LEFT)
983: key = KEYC_DOUBLECLICK3_STATUS_LEFT;
984: if (where == STATUS_RIGHT)
985: key = KEYC_DOUBLECLICK3_STATUS_RIGHT;
1.274 nicm 986: if (where == STATUS_DEFAULT)
987: key = KEYC_DOUBLECLICK3_STATUS_DEFAULT;
1.192 nicm 988: if (where == BORDER)
989: key = KEYC_DOUBLECLICK3_BORDER;
990: break;
991: }
992: break;
993: case TRIPLE:
994: switch (MOUSE_BUTTONS(b)) {
995: case 0:
996: if (where == PANE)
997: key = KEYC_TRIPLECLICK1_PANE;
998: if (where == STATUS)
999: key = KEYC_TRIPLECLICK1_STATUS;
1.258 nicm 1000: if (where == STATUS_LEFT)
1001: key = KEYC_TRIPLECLICK1_STATUS_LEFT;
1002: if (where == STATUS_RIGHT)
1003: key = KEYC_TRIPLECLICK1_STATUS_RIGHT;
1.274 nicm 1004: if (where == STATUS_DEFAULT)
1005: key = KEYC_TRIPLECLICK1_STATUS_DEFAULT;
1.192 nicm 1006: if (where == BORDER)
1007: key = KEYC_TRIPLECLICK1_BORDER;
1008: break;
1009: case 1:
1010: if (where == PANE)
1011: key = KEYC_TRIPLECLICK2_PANE;
1012: if (where == STATUS)
1013: key = KEYC_TRIPLECLICK2_STATUS;
1.258 nicm 1014: if (where == STATUS_LEFT)
1015: key = KEYC_TRIPLECLICK2_STATUS_LEFT;
1016: if (where == STATUS_RIGHT)
1017: key = KEYC_TRIPLECLICK2_STATUS_RIGHT;
1.274 nicm 1018: if (where == STATUS_DEFAULT)
1019: key = KEYC_TRIPLECLICK2_STATUS_DEFAULT;
1.192 nicm 1020: if (where == BORDER)
1021: key = KEYC_TRIPLECLICK2_BORDER;
1022: break;
1023: case 2:
1024: if (where == PANE)
1025: key = KEYC_TRIPLECLICK3_PANE;
1026: if (where == STATUS)
1027: key = KEYC_TRIPLECLICK3_STATUS;
1.258 nicm 1028: if (where == STATUS_LEFT)
1029: key = KEYC_TRIPLECLICK3_STATUS_LEFT;
1030: if (where == STATUS_RIGHT)
1031: key = KEYC_TRIPLECLICK3_STATUS_RIGHT;
1.274 nicm 1032: if (where == STATUS_DEFAULT)
1033: key = KEYC_TRIPLECLICK3_STATUS_DEFAULT;
1.192 nicm 1034: if (where == BORDER)
1035: key = KEYC_TRIPLECLICK3_BORDER;
1036: break;
1037: }
1038: break;
1.66 nicm 1039: }
1.177 nicm 1040: if (key == KEYC_UNKNOWN)
1041: return (KEYC_UNKNOWN);
1.66 nicm 1042:
1.305 nicm 1043: out:
1.131 nicm 1044: /* Apply modifiers if any. */
1045: if (b & MOUSE_MASK_META)
1.342 nicm 1046: key |= KEYC_META;
1.131 nicm 1047: if (b & MOUSE_MASK_CTRL)
1048: key |= KEYC_CTRL;
1049: if (b & MOUSE_MASK_SHIFT)
1050: key |= KEYC_SHIFT;
1.66 nicm 1051:
1.305 nicm 1052: if (log_get_level() != 0)
1.343 nicm 1053: log_debug("mouse key is %s", key_string_lookup_key (key, 1));
1.131 nicm 1054: return (key);
1.66 nicm 1055: }
1056:
1.82 nicm 1057: /* Is this fast enough to probably be a paste? */
1.190 nicm 1058: static int
1.82 nicm 1059: server_client_assume_paste(struct session *s)
1060: {
1061: struct timeval tv;
1.84 nicm 1062: int t;
1.82 nicm 1063:
1.163 nicm 1064: if ((t = options_get_number(s->options, "assume-paste-time")) == 0)
1.83 nicm 1065: return (0);
1.82 nicm 1066:
1067: timersub(&s->activity_time, &s->last_activity_time, &tv);
1.171 nicm 1068: if (tv.tv_sec == 0 && tv.tv_usec < t * 1000) {
1069: log_debug("session %s pasting (flag %d)", s->name,
1070: !!(s->flags & SESSION_PASTING));
1071: if (s->flags & SESSION_PASTING)
1072: return (1);
1073: s->flags |= SESSION_PASTING;
1074: return (0);
1075: }
1076: log_debug("session %s not pasting", s->name);
1077: s->flags &= ~SESSION_PASTING;
1.83 nicm 1078: return (0);
1.82 nicm 1079: }
1080:
1.295 nicm 1081: /* Has the latest client changed? */
1082: static void
1083: server_client_update_latest(struct client *c)
1084: {
1085: struct window *w;
1086:
1087: if (c->session == NULL)
1088: return;
1089: w = c->session->curw->window;
1090:
1091: if (w->latest == c)
1092: return;
1093: w->latest = c;
1094:
1095: if (options_get_number(w->options, "window-size") == WINDOW_SIZE_LATEST)
1096: recalculate_size(w);
1097: }
1098:
1.276 nicm 1099: /*
1100: * Handle data key input from client. This owns and can modify the key event it
1101: * is given and is responsible for freeing it.
1102: */
1.280 nicm 1103: static enum cmd_retval
1.276 nicm 1104: server_client_key_callback(struct cmdq_item *item, void *data)
1.18 nicm 1105: {
1.316 nicm 1106: struct client *c = cmdq_get_client(item);
1.276 nicm 1107: struct key_event *event = data;
1108: key_code key = event->key;
1109: struct mouse_event *m = &event->m;
1.267 nicm 1110: struct session *s = c->session;
1111: struct winlink *wl;
1112: struct window_pane *wp;
1113: struct window_mode_entry *wme;
1114: struct timeval tv;
1115: struct key_table *table, *first;
1116: struct key_binding *bd;
1117: int xtimeout, flags;
1118: struct cmd_find_state fs;
1119: key_code key0;
1.18 nicm 1120:
1121: /* Check the client is good to accept input. */
1.303 nicm 1122: if (s == NULL || (c->flags & CLIENT_UNATTACHEDFLAGS))
1.276 nicm 1123: goto out;
1.264 nicm 1124: wl = s->curw;
1.18 nicm 1125:
1126: /* Update the activity timer. */
1127: if (gettimeofday(&c->activity_time, NULL) != 0)
1128: fatal("gettimeofday failed");
1.149 nicm 1129: session_update_activity(s, &c->activity_time);
1.18 nicm 1130:
1131: /* Check for mouse keys. */
1.204 nicm 1132: m->valid = 0;
1.306 nicm 1133: if (key == KEYC_MOUSE || key == KEYC_DOUBLECLICK) {
1.30 nicm 1134: if (c->flags & CLIENT_READONLY)
1.276 nicm 1135: goto out;
1136: key = server_client_check_mouse(c, event);
1.177 nicm 1137: if (key == KEYC_UNKNOWN)
1.276 nicm 1138: goto out;
1.131 nicm 1139:
1140: m->valid = 1;
1141: m->key = key;
1.203 nicm 1142:
1143: /*
1.204 nicm 1144: * Mouse drag is in progress, so fire the callback (now that
1145: * the mouse event is valid).
1.203 nicm 1146: */
1.305 nicm 1147: if ((key & KEYC_MASK_KEY) == KEYC_DRAGGING) {
1.204 nicm 1148: c->tty.mouse_drag_update(c, m);
1.276 nicm 1149: goto out;
1.204 nicm 1150: }
1.338 nicm 1151: event->key = key;
1.276 nicm 1152: }
1.18 nicm 1153:
1.202 nicm 1154: /* Find affected pane. */
1.243 nicm 1155: if (!KEYC_IS_MOUSE(key) || cmd_find_from_mouse(&fs, m, 0) != 0)
1.341 nicm 1156: cmd_find_from_client(&fs, c, 0);
1.227 nicm 1157: wp = fs.wp;
1.202 nicm 1158:
1159: /* Forward mouse keys if disabled. */
1.206 nicm 1160: if (KEYC_IS_MOUSE(key) && !options_get_number(s->options, "mouse"))
1.253 nicm 1161: goto forward_key;
1.202 nicm 1162:
1.132 nicm 1163: /* Treat everything as a regular key when pasting is detected. */
1.161 nicm 1164: if (!KEYC_IS_MOUSE(key) && server_client_assume_paste(s))
1.253 nicm 1165: goto forward_key;
1.18 nicm 1166:
1.191 nicm 1167: /*
1168: * Work out the current key table. If the pane is in a mode, use
1169: * the mode table instead of the default key table.
1170: */
1.223 nicm 1171: if (server_client_is_default_key_table(c, c->keytable) &&
1172: wp != NULL &&
1.267 nicm 1173: (wme = TAILQ_FIRST(&wp->modes)) != NULL &&
1174: wme->mode->key_table != NULL)
1175: table = key_bindings_get_table(wme->mode->key_table(wme), 1);
1.223 nicm 1176: else
1.191 nicm 1177: table = c->keytable;
1.223 nicm 1178: first = table;
1.191 nicm 1179:
1.253 nicm 1180: table_changed:
1.205 nicm 1181: /*
1182: * The prefix always takes precedence and forces a switch to the prefix
1183: * table, unless we are already there.
1184: */
1.343 nicm 1185: key0 = (key & (KEYC_MASK_KEY|KEYC_MASK_MODIFIERS));
1.239 nicm 1186: if ((key0 == (key_code)options_get_number(s->options, "prefix") ||
1187: key0 == (key_code)options_get_number(s->options, "prefix2")) &&
1.205 nicm 1188: strcmp(table->name, "prefix") != 0) {
1189: server_client_set_key_table(c, "prefix");
1190: server_status_client(c);
1.276 nicm 1191: goto out;
1.205 nicm 1192: }
1.238 nicm 1193: flags = c->flags;
1.205 nicm 1194:
1.262 nicm 1195: try_again:
1.223 nicm 1196: /* Log key table. */
1197: if (wp == NULL)
1198: log_debug("key table %s (no pane)", table->name);
1199: else
1200: log_debug("key table %s (pane %%%u)", table->name, wp->id);
1.225 nicm 1201: if (c->flags & CLIENT_REPEAT)
1202: log_debug("currently repeating");
1.223 nicm 1203:
1.132 nicm 1204: /* Try to see if there is a key binding in the current table. */
1.254 nicm 1205: bd = key_bindings_get(table, key0);
1.132 nicm 1206: if (bd != NULL) {
1207: /*
1208: * Key was matched in this table. If currently repeating but a
1209: * non-repeating binding was found, stop repeating and try
1210: * again in the root table.
1211: */
1.222 nicm 1212: if ((c->flags & CLIENT_REPEAT) &&
1213: (~bd->flags & KEY_BINDING_REPEAT)) {
1.262 nicm 1214: log_debug("found in key table %s (not repeating)",
1215: table->name);
1.178 nicm 1216: server_client_set_key_table(c, NULL);
1.262 nicm 1217: first = table = c->keytable;
1.132 nicm 1218: c->flags &= ~CLIENT_REPEAT;
1.85 nicm 1219: server_status_client(c);
1.253 nicm 1220: goto table_changed;
1.18 nicm 1221: }
1.223 nicm 1222: log_debug("found in key table %s", table->name);
1.82 nicm 1223:
1.132 nicm 1224: /*
1225: * Take a reference to this table to make sure the key binding
1226: * doesn't disappear.
1227: */
1228: table->references++;
1229:
1230: /*
1231: * If this is a repeating key, start the timer. Otherwise reset
1232: * the client back to the root table.
1233: */
1.163 nicm 1234: xtimeout = options_get_number(s->options, "repeat-time");
1.222 nicm 1235: if (xtimeout != 0 && (bd->flags & KEY_BINDING_REPEAT)) {
1.132 nicm 1236: c->flags |= CLIENT_REPEAT;
1237:
1238: tv.tv_sec = xtimeout / 1000;
1239: tv.tv_usec = (xtimeout % 1000) * 1000L;
1240: evtimer_del(&c->repeat_timer);
1241: evtimer_add(&c->repeat_timer, &tv);
1242: } else {
1.18 nicm 1243: c->flags &= ~CLIENT_REPEAT;
1.178 nicm 1244: server_client_set_key_table(c, NULL);
1.18 nicm 1245: }
1.132 nicm 1246: server_status_client(c);
1247:
1.227 nicm 1248: /* Execute the key binding. */
1.317 nicm 1249: key_bindings_dispatch(bd, item, c, event, &fs);
1.132 nicm 1250: key_bindings_unref_table(table);
1.276 nicm 1251: goto out;
1.18 nicm 1252: }
1253:
1.132 nicm 1254: /*
1.253 nicm 1255: * No match, try the ANY key.
1256: */
1257: if (key0 != KEYC_ANY) {
1258: key0 = KEYC_ANY;
1259: goto try_again;
1260: }
1261:
1262: /*
1.223 nicm 1263: * No match in this table. If not in the root table or if repeating,
1264: * switch the client back to the root table and try again.
1.132 nicm 1265: */
1.223 nicm 1266: log_debug("not found in key table %s", table->name);
1267: if (!server_client_is_default_key_table(c, table) ||
1268: (c->flags & CLIENT_REPEAT)) {
1.262 nicm 1269: log_debug("trying in root table");
1.178 nicm 1270: server_client_set_key_table(c, NULL);
1.262 nicm 1271: table = c->keytable;
1272: if (c->flags & CLIENT_REPEAT)
1273: first = table;
1.18 nicm 1274: c->flags &= ~CLIENT_REPEAT;
1.132 nicm 1275: server_status_client(c);
1.253 nicm 1276: goto table_changed;
1.18 nicm 1277: }
1278:
1.223 nicm 1279: /*
1280: * No match in the root table either. If this wasn't the first table
1281: * tried, don't pass the key to the pane.
1282: */
1.238 nicm 1283: if (first != table && (~flags & CLIENT_REPEAT)) {
1.178 nicm 1284: server_client_set_key_table(c, NULL);
1.132 nicm 1285: server_status_client(c);
1.276 nicm 1286: goto out;
1.161 nicm 1287: }
1288:
1.253 nicm 1289: forward_key:
1.161 nicm 1290: if (c->flags & CLIENT_READONLY)
1.276 nicm 1291: goto out;
1.161 nicm 1292: if (wp != NULL)
1.264 nicm 1293: window_pane_key(wp, c, s, wl, key, m);
1.276 nicm 1294:
1295: out:
1.347 nicm 1296: if (s != NULL && key != KEYC_FOCUS_OUT)
1.295 nicm 1297: server_client_update_latest(c);
1.276 nicm 1298: free(event);
1299: return (CMD_RETURN_NORMAL);
1.280 nicm 1300: }
1301:
1302: /* Handle a key event. */
1303: int
1304: server_client_handle_key(struct client *c, struct key_event *event)
1305: {
1306: struct session *s = c->session;
1307: struct cmdq_item *item;
1308:
1309: /* Check the client is good to accept input. */
1.303 nicm 1310: if (s == NULL || (c->flags & CLIENT_UNATTACHEDFLAGS))
1.280 nicm 1311: return (0);
1312:
1313: /*
1.291 nicm 1314: * Key presses in overlay mode and the command prompt are a special
1315: * case. The queue might be blocked so they need to be processed
1316: * immediately rather than queued.
1.280 nicm 1317: */
1.291 nicm 1318: if (~c->flags & CLIENT_READONLY) {
1319: status_message_clear(c);
1320: if (c->overlay_key != NULL) {
1321: switch (c->overlay_key(c, event)) {
1322: case 0:
1323: return (0);
1324: case 1:
1325: server_client_clear_overlay(c);
1326: return (0);
1327: }
1.290 nicm 1328: }
1.293 nicm 1329: server_client_clear_overlay(c);
1.335 nicm 1330: if (c->prompt_string != NULL) {
1331: if (status_prompt_key(c, event->key) == 0)
1332: return (0);
1333: }
1.280 nicm 1334: }
1335:
1336: /*
1337: * Add the key to the queue so it happens after any commands queued by
1338: * previous keys.
1339: */
1340: item = cmdq_get_callback(server_client_key_callback, event);
1341: cmdq_append(c, item);
1342: return (1);
1.18 nicm 1343: }
1344:
1.2 nicm 1345: /* Client functions that need to happen every loop. */
1346: void
1347: server_client_loop(void)
1348: {
1349: struct client *c;
1350: struct window *w;
1351: struct window_pane *wp;
1.344 nicm 1352: int focus;
1353:
1354: /* Check for window resize. This is done before redrawing. */
1355: RB_FOREACH(w, windows, &windows)
1356: server_client_check_window_resize(w);
1.2 nicm 1357:
1.344 nicm 1358: /* Check clients. */
1.135 nicm 1359: TAILQ_FOREACH(c, &clients, entry) {
1.36 nicm 1360: server_client_check_exit(c);
1361: if (c->session != NULL) {
1362: server_client_check_redraw(c);
1363: server_client_reset_state(c);
1364: }
1.2 nicm 1365: }
1366:
1367: /*
1368: * Any windows will have been redrawn as part of clients, so clear
1.92 nicm 1369: * their flags now. Also check pane focus and resize.
1.2 nicm 1370: */
1.197 nicm 1371: focus = options_get_number(global_options, "focus-events");
1.134 nicm 1372: RB_FOREACH(w, windows, &windows) {
1.91 nicm 1373: TAILQ_FOREACH(wp, &w->panes, entry) {
1.289 nicm 1374: if (wp->fd != -1) {
1.197 nicm 1375: if (focus)
1.344 nicm 1376: server_client_check_pane_focus(wp);
1377: server_client_check_pane_resize(wp);
1.345 nicm 1378: server_client_check_pane_buffer(wp);
1.101 nicm 1379: }
1.326 nicm 1380: wp->flags &= ~PANE_REDRAW;
1.91 nicm 1381: }
1.150 nicm 1382: check_window_name(w);
1.2 nicm 1383: }
1.92 nicm 1384: }
1385:
1.344 nicm 1386: /* Check if window needs to be resized. */
1387: static void
1388: server_client_check_window_resize(struct window *w)
1389: {
1390: struct winlink *wl;
1391:
1392: if (~w->flags & WINDOW_RESIZE)
1393: return;
1394:
1395: TAILQ_FOREACH(wl, &w->winlinks, wentry) {
1396: if (wl->session->attached != 0 && wl->session->curw == wl)
1397: break;
1398: }
1399: if (wl == NULL)
1400: return;
1401:
1402: log_debug("%s: resizing window @%u", __func__, w->id);
1403: resize_window(w, w->new_sx, w->new_sy, w->new_xpixel, w->new_ypixel);
1404: }
1405:
1.237 nicm 1406: /* Check if we need to force a resize. */
1407: static int
1408: server_client_resize_force(struct window_pane *wp)
1409: {
1410: struct timeval tv = { .tv_usec = 100000 };
1411:
1412: /*
1413: * If we are resizing to the same size as when we entered the loop
1414: * (that is, to the same size the application currently thinks it is),
1415: * tmux may have gone through several resizes internally and thrown
1416: * away parts of the screen. So we need the application to actually
1417: * redraw even though its final size has not changed.
1418: */
1419:
1420: if (wp->flags & PANE_RESIZEFORCE) {
1421: wp->flags &= ~PANE_RESIZEFORCE;
1422: return (0);
1423: }
1424:
1425: if (wp->sx != wp->osx ||
1426: wp->sy != wp->osy ||
1427: wp->sx <= 1 ||
1428: wp->sy <= 1)
1429: return (0);
1430:
1431: log_debug("%s: %%%u forcing resize", __func__, wp->id);
1.297 nicm 1432: window_pane_send_resize(wp, -1);
1.237 nicm 1433:
1434: evtimer_add(&wp->resize_timer, &tv);
1435: wp->flags |= PANE_RESIZEFORCE;
1436: return (1);
1437: }
1438:
1.294 nicm 1439: /* Resize a pane. */
1.188 nicm 1440: static void
1.294 nicm 1441: server_client_resize_pane(struct window_pane *wp)
1.92 nicm 1442: {
1.235 nicm 1443: log_debug("%s: %%%u resize to %u,%u", __func__, wp->id, wp->sx, wp->sy);
1.297 nicm 1444: window_pane_send_resize(wp, 0);
1.92 nicm 1445:
1446: wp->flags &= ~PANE_RESIZE;
1.235 nicm 1447:
1448: wp->osx = wp->sx;
1449: wp->osy = wp->sy;
1.188 nicm 1450: }
1451:
1.294 nicm 1452: /* Start the resize timer. */
1453: static void
1454: server_client_start_resize_timer(struct window_pane *wp)
1455: {
1456: struct timeval tv = { .tv_usec = 250000 };
1457:
1458: if (!evtimer_pending(&wp->resize_timer, NULL))
1459: evtimer_add(&wp->resize_timer, &tv);
1460: }
1461:
1462: /* Resize timer event. */
1463: static void
1464: server_client_resize_event(__unused int fd, __unused short events, void *data)
1465: {
1466: struct window_pane *wp = data;
1467:
1468: evtimer_del(&wp->resize_timer);
1469:
1470: if (~wp->flags & PANE_RESIZE)
1471: return;
1472: log_debug("%s: %%%u timer fired (was%s resized)", __func__, wp->id,
1473: (wp->flags & PANE_RESIZED) ? "" : " not");
1474:
1.310 nicm 1475: if (wp->base.saved_grid == NULL && (wp->flags & PANE_RESIZED)) {
1.294 nicm 1476: log_debug("%s: %%%u deferring timer", __func__, wp->id);
1477: server_client_start_resize_timer(wp);
1478: } else if (!server_client_resize_force(wp)) {
1479: log_debug("%s: %%%u resizing pane", __func__, wp->id);
1480: server_client_resize_pane(wp);
1481: }
1482: wp->flags &= ~PANE_RESIZED;
1483: }
1484:
1.188 nicm 1485: /* Check if pane should be resized. */
1.190 nicm 1486: static void
1.344 nicm 1487: server_client_check_pane_resize(struct window_pane *wp)
1.188 nicm 1488: {
1.294 nicm 1489: if (~wp->flags & PANE_RESIZE)
1.188 nicm 1490: return;
1491:
1492: if (!event_initialized(&wp->resize_timer))
1493: evtimer_set(&wp->resize_timer, server_client_resize_event, wp);
1494:
1.294 nicm 1495: if (!evtimer_pending(&wp->resize_timer, NULL)) {
1496: log_debug("%s: %%%u starting timer", __func__, wp->id);
1497: server_client_resize_pane(wp);
1498: server_client_start_resize_timer(wp);
1499: } else
1500: log_debug("%s: %%%u timer running", __func__, wp->id);
1.345 nicm 1501: }
1502:
1503: /* Check pane buffer size. */
1504: static void
1505: server_client_check_pane_buffer(struct window_pane *wp)
1506: {
1507: struct evbuffer *evb = wp->event->input;
1508: size_t minimum;
1509: struct client *c;
1.346 nicm 1510: struct window_pane_offset *wpo;
1511: int off = 1, flag;
1512: u_int attached_clients = 0;
1.353 nicm 1513: size_t new_size;
1.345 nicm 1514:
1515: /*
1.352 nicm 1516: * Work out the minimum used size. This is the most that can be removed
1517: * from the buffer.
1.345 nicm 1518: */
1.352 nicm 1519: minimum = wp->offset.used;
1520: if (wp->pipe_fd != -1 && wp->pipe_offset.used < minimum)
1521: minimum = wp->pipe_offset.used;
1.345 nicm 1522: TAILQ_FOREACH(c, &clients, entry) {
1523: if (c->session == NULL)
1524: continue;
1.346 nicm 1525: attached_clients++;
1526:
1527: if (~c->flags & CLIENT_CONTROL) {
1.345 nicm 1528: off = 0;
1529: continue;
1530: }
1.346 nicm 1531: wpo = control_pane_offset(c, wp, &flag);
1532: if (wpo == NULL) {
1.345 nicm 1533: off = 0;
1.346 nicm 1534: continue;
1535: }
1536: if (!flag)
1537: off = 0;
1538:
1.353 nicm 1539: window_pane_get_new_data(wp, wpo, &new_size);
1540: log_debug("%s: %s has %zu bytes used and %zu left for %%%u",
1541: __func__, c->name, wpo->used - wp->base_offset, new_size,
1542: wp->id);
1543: if (new_size > SERVER_CLIENT_PANE_LIMIT) {
1.352 nicm 1544: control_flush(c);
1545: c->flags |= CLIENT_EXIT;
1.353 nicm 1546: }
1547: if (wpo->used < minimum)
1.352 nicm 1548: minimum = wpo->used;
1.345 nicm 1549: }
1.346 nicm 1550: if (attached_clients == 0)
1551: off = 0;
1.345 nicm 1552: minimum -= wp->base_offset;
1553: if (minimum == 0)
1554: goto out;
1555:
1556: /* Drain the buffer. */
1.352 nicm 1557: log_debug("%s: %%%u has %zu minimum (of %zu) bytes used", __func__,
1558: wp->id, minimum, EVBUFFER_LENGTH(evb));
1.345 nicm 1559: evbuffer_drain(evb, minimum);
1560:
1561: /*
1562: * Adjust the base offset. If it would roll over, all the offsets into
1563: * the buffer need to be adjusted.
1564: */
1565: if (wp->base_offset > SIZE_MAX - minimum) {
1566: log_debug("%s: %%%u base offset has wrapped", __func__, wp->id);
1567: wp->offset.used -= wp->base_offset;
1.352 nicm 1568: if (wp->pipe_fd != -1)
1.345 nicm 1569: wp->pipe_offset.used -= wp->base_offset;
1570: TAILQ_FOREACH(c, &clients, entry) {
1571: if (c->session == NULL || (~c->flags & CLIENT_CONTROL))
1572: continue;
1.346 nicm 1573: wpo = control_pane_offset(c, wp, &flag);
1.352 nicm 1574: if (wpo != NULL && !flag)
1.346 nicm 1575: wpo->used -= wp->base_offset;
1.345 nicm 1576: }
1577: wp->base_offset = minimum;
1578: } else
1579: wp->base_offset += minimum;
1580:
1581: out:
1582: /*
1583: * If there is data remaining, and there are no clients able to consume
1.351 nicm 1584: * it, do not read any more. This is true when there are attached
1585: * clients, all of which are control clients which are not able to
1586: * accept any more data.
1.345 nicm 1587: */
1.352 nicm 1588: log_debug("%s: pane %%%u is %s", __func__, wp->id, off ? "off" : "on");
1.345 nicm 1589: if (off)
1590: bufferevent_disable(wp->event, EV_READ);
1591: else
1592: bufferevent_enable(wp->event, EV_READ);
1.91 nicm 1593: }
1594:
1595: /* Check whether pane should be focused. */
1.190 nicm 1596: static void
1.344 nicm 1597: server_client_check_pane_focus(struct window_pane *wp)
1.91 nicm 1598: {
1.93 nicm 1599: struct client *c;
1.102 nicm 1600: int push;
1601:
1602: /* Do we need to push the focus state? */
1603: push = wp->flags & PANE_FOCUSPUSH;
1604: wp->flags &= ~PANE_FOCUSPUSH;
1.91 nicm 1605:
1606: /* If we're not the active pane in our window, we're not focused. */
1607: if (wp->window->active != wp)
1608: goto not_focused;
1609:
1610: /* If we're in a mode, we're not focused. */
1611: if (wp->screen != &wp->base)
1612: goto not_focused;
1613:
1614: /*
1.93 nicm 1615: * If our window is the current window in any focused clients with an
1616: * attached session, we're focused.
1.91 nicm 1617: */
1.135 nicm 1618: TAILQ_FOREACH(c, &clients, entry) {
1619: if (c->session == NULL || !(c->flags & CLIENT_FOCUSED))
1.91 nicm 1620: continue;
1.255 nicm 1621: if (c->session->attached == 0)
1.93 nicm 1622: continue;
1623:
1624: if (c->session->curw->window == wp->window)
1.91 nicm 1625: goto focused;
1626: }
1627:
1628: not_focused:
1.251 nicm 1629: if (push || (wp->flags & PANE_FOCUSED)) {
1630: if (wp->base.mode & MODE_FOCUSON)
1631: bufferevent_write(wp->event, "\033[O", 3);
1632: notify_pane("pane-focus-out", wp);
1633: }
1.91 nicm 1634: wp->flags &= ~PANE_FOCUSED;
1635: return;
1636:
1637: focused:
1.251 nicm 1638: if (push || !(wp->flags & PANE_FOCUSED)) {
1639: if (wp->base.mode & MODE_FOCUSON)
1640: bufferevent_write(wp->event, "\033[I", 3);
1641: notify_pane("pane-focus-in", wp);
1.275 nicm 1642: session_update_activity(c->session, NULL);
1.251 nicm 1643: }
1.91 nicm 1644: wp->flags |= PANE_FOCUSED;
1.2 nicm 1645: }
1646:
1.18 nicm 1647: /*
1648: * Update cursor position and mode settings. The scroll region and attributes
1649: * are cleared when idle (waiting for an event) as this is the most likely time
1650: * a user may interrupt tmux, for example with ~^Z in ssh(1). This is a
1651: * compromise between excessive resets and likelihood of an interrupt.
1652: *
1653: * tty_region/tty_reset/tty_update_mode already take care of not resetting
1654: * things that are already in their default state.
1655: */
1.190 nicm 1656: static void
1.18 nicm 1657: server_client_reset_state(struct client *c)
1.1 nicm 1658: {
1.332 nicm 1659: struct tty *tty = &c->tty;
1.18 nicm 1660: struct window *w = c->session->curw->window;
1.341 nicm 1661: struct window_pane *wp = server_client_get_pane(c), *loop;
1.336 nicm 1662: struct screen *s = NULL;
1.163 nicm 1663: struct options *oo = c->session->options;
1.336 nicm 1664: int mode = 0, cursor, flags;
1.261 nicm 1665: u_int cx = 0, cy = 0, ox, oy, sx, sy;
1.60 nicm 1666:
1.186 nicm 1667: if (c->flags & (CLIENT_CONTROL|CLIENT_SUSPENDED))
1.86 nicm 1668: return;
1669:
1.332 nicm 1670: /* Disable the block flag. */
1671: flags = (tty->flags & TTY_BLOCK);
1672: tty->flags &= ~TTY_BLOCK;
1673:
1.309 nicm 1674: /* Get mode from overlay if any, else from screen. */
1675: if (c->overlay_draw != NULL) {
1.336 nicm 1676: if (c->overlay_mode != NULL)
1677: s = c->overlay_mode(c, &cx, &cy);
1678: } else
1.309 nicm 1679: s = wp->screen;
1.336 nicm 1680: if (s != NULL)
1.309 nicm 1681: mode = s->mode;
1.336 nicm 1682: if (c->prompt_string != NULL || c->message_string != NULL)
1683: mode &= ~MODE_CURSOR;
1.309 nicm 1684: log_debug("%s: client %s mode %x", __func__, c->name, mode);
1685:
1686: /* Reset region and margin. */
1.332 nicm 1687: tty_region_off(tty);
1688: tty_margin_off(tty);
1.1 nicm 1689:
1.261 nicm 1690: /* Move cursor to pane cursor and offset. */
1.309 nicm 1691: if (c->overlay_draw == NULL) {
1692: cursor = 0;
1.332 nicm 1693: tty_window_offset(tty, &ox, &oy, &sx, &sy);
1.309 nicm 1694: if (wp->xoff + s->cx >= ox && wp->xoff + s->cx <= ox + sx &&
1695: wp->yoff + s->cy >= oy && wp->yoff + s->cy <= oy + sy) {
1696: cursor = 1;
1.261 nicm 1697:
1.309 nicm 1698: cx = wp->xoff + s->cx - ox;
1699: cy = wp->yoff + s->cy - oy;
1.261 nicm 1700:
1.309 nicm 1701: if (status_at_line(c) == 0)
1702: cy += status_line_size(c);
1703: }
1704: if (!cursor)
1705: mode &= ~MODE_CURSOR;
1.261 nicm 1706: }
1.332 nicm 1707: log_debug("%s: cursor to %u,%u", __func__, cx, cy);
1708: tty_cursor(tty, cx, cy);
1.1 nicm 1709:
1.50 nicm 1710: /*
1.131 nicm 1711: * Set mouse mode if requested. To support dragging, always use button
1712: * mode.
1.57 nicm 1713: */
1.209 nicm 1714: if (options_get_number(oo, "mouse")) {
1715: mode &= ~ALL_MOUSE_MODES;
1.309 nicm 1716: if (c->overlay_draw == NULL) {
1717: TAILQ_FOREACH(loop, &w->panes, entry) {
1718: if (loop->screen->mode & MODE_MOUSE_ALL)
1719: mode |= MODE_MOUSE_ALL;
1720: }
1.209 nicm 1721: }
1722: if (~mode & MODE_MOUSE_ALL)
1723: mode |= MODE_MOUSE_BUTTON;
1724: }
1.215 nicm 1725:
1726: /* Clear bracketed paste mode if at the prompt. */
1.309 nicm 1727: if (c->overlay_draw == NULL && c->prompt_string != NULL)
1.215 nicm 1728: mode &= ~MODE_BRACKETPASTE;
1.48 nicm 1729:
1730: /* Set the terminal mode and reset attributes. */
1.332 nicm 1731: tty_update_mode(tty, mode, s);
1732: tty_reset(tty);
1.330 nicm 1733:
1.332 nicm 1734: /* All writing must be done, send a sync end (if it was started). */
1735: tty_sync_end(tty);
1736: tty->flags |= flags;
1.17 nicm 1737: }
1738:
1739: /* Repeat time callback. */
1.190 nicm 1740: static void
1.170 nicm 1741: server_client_repeat_timer(__unused int fd, __unused short events, void *data)
1.17 nicm 1742: {
1743: struct client *c = data;
1744:
1.85 nicm 1745: if (c->flags & CLIENT_REPEAT) {
1.178 nicm 1746: server_client_set_key_table(c, NULL);
1.132 nicm 1747: c->flags &= ~CLIENT_REPEAT;
1748: server_status_client(c);
1.85 nicm 1749: }
1.192 nicm 1750: }
1751:
1752: /* Double-click callback. */
1753: static void
1754: server_client_click_timer(__unused int fd, __unused short events, void *data)
1755: {
1.306 nicm 1756: struct client *c = data;
1757: struct key_event *event;
1758:
1759: log_debug("click timer expired");
1.192 nicm 1760:
1.306 nicm 1761: if (c->flags & CLIENT_TRIPLECLICK) {
1762: /*
1763: * Waiting for a third click that hasn't happened, so this must
1764: * have been a double click.
1765: */
1766: event = xmalloc(sizeof *event);
1767: event->key = KEYC_DOUBLECLICK;
1768: memcpy(&event->m, &c->click_event, sizeof event->m);
1769: if (!server_client_handle_key(c, event))
1770: free(event);
1771: }
1.192 nicm 1772: c->flags &= ~(CLIENT_DOUBLECLICK|CLIENT_TRIPLECLICK);
1.1 nicm 1773: }
1774:
1.36 nicm 1775: /* Check if client should be exited. */
1.190 nicm 1776: static void
1.36 nicm 1777: server_client_check_exit(struct client *c)
1778: {
1.300 nicm 1779: struct client_file *cf;
1.352 nicm 1780: const char *name = c->exit_session;
1.300 nicm 1781:
1.354 ! nicm 1782: if (c->flags & (CLIENT_DEAD|CLIENT_EXITED))
! 1783: return;
! 1784: if (~c->flags & CLIENT_EXIT)
1.36 nicm 1785: return;
1786:
1.352 nicm 1787: if (c->flags & CLIENT_CONTROL) {
1788: control_flush(c);
1789: if (!control_all_done(c))
1790: return;
1791: }
1.300 nicm 1792: RB_FOREACH(cf, client_files, &c->files) {
1793: if (EVBUFFER_LENGTH(cf->buffer) != 0)
1794: return;
1795: }
1.36 nicm 1796:
1.249 nicm 1797: if (c->flags & CLIENT_ATTACHED)
1798: notify_client("client-detached", c);
1.286 nicm 1799: c->flags |= CLIENT_EXITED;
1.352 nicm 1800:
1801: switch (c->exit_type) {
1802: case CLIENT_EXIT_RETURN:
1803: proc_send(c->peer, MSG_EXIT, -1, &c->retval, sizeof c->retval);
1804: break;
1805: case CLIENT_EXIT_SHUTDOWN:
1806: proc_send(c->peer, MSG_SHUTDOWN, -1, NULL, 0);
1807: break;
1808: case CLIENT_EXIT_DETACH:
1809: proc_send(c->peer, c->exit_msgtype, -1, name, strlen(name) + 1);
1810: break;
1811: }
1812: free(c->exit_session);
1.38 nicm 1813: }
1814:
1.218 nicm 1815: /* Redraw timer callback. */
1816: static void
1817: server_client_redraw_timer(__unused int fd, __unused short events,
1.299 nicm 1818: __unused void *data)
1.218 nicm 1819: {
1820: log_debug("redraw timer fired");
1821: }
1822:
1.1 nicm 1823: /* Check for client redraws. */
1.190 nicm 1824: static void
1.1 nicm 1825: server_client_check_redraw(struct client *c)
1826: {
1827: struct session *s = c->session;
1.137 nicm 1828: struct tty *tty = &c->tty;
1.326 nicm 1829: struct window *w = c->session->curw->window;
1.1 nicm 1830: struct window_pane *wp;
1.325 nicm 1831: int needed, flags, mode = tty->mode, new_flags = 0;
1.326 nicm 1832: int redraw;
1833: u_int bit = 0;
1.218 nicm 1834: struct timeval tv = { .tv_usec = 1000 };
1835: static struct event ev;
1836: size_t left;
1.1 nicm 1837:
1.86 nicm 1838: if (c->flags & (CLIENT_CONTROL|CLIENT_SUSPENDED))
1.79 nicm 1839: return;
1.257 nicm 1840: if (c->flags & CLIENT_ALLREDRAWFLAGS) {
1.325 nicm 1841: log_debug("%s: redraw%s%s%s%s%s", c->name,
1.257 nicm 1842: (c->flags & CLIENT_REDRAWWINDOW) ? " window" : "",
1843: (c->flags & CLIENT_REDRAWSTATUS) ? " status" : "",
1.282 nicm 1844: (c->flags & CLIENT_REDRAWBORDERS) ? " borders" : "",
1.325 nicm 1845: (c->flags & CLIENT_REDRAWOVERLAY) ? " overlay" : "",
1846: (c->flags & CLIENT_REDRAWPANES) ? " panes" : "");
1.257 nicm 1847: }
1.218 nicm 1848:
1849: /*
1850: * If there is outstanding data, defer the redraw until it has been
1851: * consumed. We can just add a timer to get out of the event loop and
1852: * end up back here.
1853: */
1854: needed = 0;
1.256 nicm 1855: if (c->flags & CLIENT_ALLREDRAWFLAGS)
1.218 nicm 1856: needed = 1;
1857: else {
1.326 nicm 1858: TAILQ_FOREACH(wp, &w->panes, entry) {
1.218 nicm 1859: if (wp->flags & PANE_REDRAW) {
1860: needed = 1;
1861: break;
1862: }
1863: }
1.325 nicm 1864: if (needed)
1865: new_flags |= CLIENT_REDRAWPANES;
1.218 nicm 1866: }
1.241 nicm 1867: if (needed && (left = EVBUFFER_LENGTH(tty->out)) != 0) {
1868: log_debug("%s: redraw deferred (%zu left)", c->name, left);
1869: if (!evtimer_initialized(&ev))
1870: evtimer_set(&ev, server_client_redraw_timer, NULL);
1871: if (!evtimer_pending(&ev, NULL)) {
1.218 nicm 1872: log_debug("redraw timer started");
1873: evtimer_add(&ev, &tv);
1.241 nicm 1874: }
1.327 nicm 1875:
1876: if (~c->flags & CLIENT_REDRAWWINDOW) {
1.326 nicm 1877: TAILQ_FOREACH(wp, &w->panes, entry) {
1.327 nicm 1878: if (wp->flags & PANE_REDRAW) {
1879: log_debug("%s: pane %%%u needs redraw",
1880: c->name, wp->id);
1.326 nicm 1881: c->redraw_panes |= (1 << bit);
1.327 nicm 1882: }
1.326 nicm 1883: if (++bit == 64) {
1884: /*
1885: * If more that 64 panes, give up and
1886: * just redraw the window.
1887: */
1888: new_flags &= CLIENT_REDRAWPANES;
1889: new_flags |= CLIENT_REDRAWWINDOW;
1890: break;
1891: }
1892: }
1.327 nicm 1893: if (c->redraw_panes != 0)
1894: c->flags |= CLIENT_REDRAWPANES;
1.326 nicm 1895: }
1.325 nicm 1896: c->flags |= new_flags;
1.241 nicm 1897: return;
1898: } else if (needed)
1.218 nicm 1899: log_debug("%s: redraw needed", c->name);
1.79 nicm 1900:
1.219 nicm 1901: flags = tty->flags & (TTY_BLOCK|TTY_FREEZE|TTY_NOCURSOR);
1.326 nicm 1902: tty->flags = (tty->flags & ~(TTY_BLOCK|TTY_FREEZE))|TTY_NOCURSOR;
1.137 nicm 1903:
1.256 nicm 1904: if (~c->flags & CLIENT_REDRAWWINDOW) {
1905: /*
1906: * If not redrawing the entire window, check whether each pane
1907: * needs to be redrawn.
1908: */
1.326 nicm 1909: TAILQ_FOREACH(wp, &w->panes, entry) {
1910: redraw = 0;
1911: if (wp->flags & PANE_REDRAW)
1912: redraw = 1;
1913: else if (c->flags & CLIENT_REDRAWPANES)
1914: redraw = !!(c->redraw_panes & (1 << bit));
1.328 nicm 1915: bit++;
1.326 nicm 1916: if (!redraw)
1917: continue;
1918: log_debug("%s: redrawing pane %%%u", __func__, wp->id);
1919: screen_redraw_pane(c, wp);
1.1 nicm 1920: }
1.331 nicm 1921: c->redraw_panes = 0;
1.325 nicm 1922: c->flags &= ~CLIENT_REDRAWPANES;
1.1 nicm 1923: }
1924:
1.256 nicm 1925: if (c->flags & CLIENT_ALLREDRAWFLAGS) {
1926: if (options_get_number(s->options, "set-titles"))
1927: server_client_set_title(c);
1928: screen_redraw_screen(c);
1929: }
1.1 nicm 1930:
1.326 nicm 1931: tty->flags = (tty->flags & ~TTY_NOCURSOR)|(flags & TTY_NOCURSOR);
1.320 nicm 1932: tty_update_mode(tty, mode, NULL);
1.326 nicm 1933: tty->flags = (tty->flags & ~(TTY_BLOCK|TTY_FREEZE|TTY_NOCURSOR))|flags;
1.1 nicm 1934:
1.256 nicm 1935: c->flags &= ~(CLIENT_ALLREDRAWFLAGS|CLIENT_STATUSFORCE);
1.230 nicm 1936:
1937: if (needed) {
1938: /*
1939: * We would have deferred the redraw unless the output buffer
1940: * was empty, so we can record how many bytes the redraw
1941: * generated.
1942: */
1943: c->redraw = EVBUFFER_LENGTH(tty->out);
1944: log_debug("%s: redraw added %zu bytes", c->name, c->redraw);
1945: }
1.1 nicm 1946: }
1947:
1948: /* Set client title. */
1.190 nicm 1949: static void
1.1 nicm 1950: server_client_set_title(struct client *c)
1951: {
1.128 nicm 1952: struct session *s = c->session;
1953: const char *template;
1954: char *title;
1955: struct format_tree *ft;
1.1 nicm 1956:
1.163 nicm 1957: template = options_get_string(s->options, "set-titles-string");
1.25 nicm 1958:
1.228 nicm 1959: ft = format_create(c, NULL, FORMAT_NONE, 0);
1.128 nicm 1960: format_defaults(ft, c, NULL, NULL, NULL);
1961:
1.269 nicm 1962: title = format_expand_time(ft, template);
1.1 nicm 1963: if (c->title == NULL || strcmp(title, c->title) != 0) {
1.77 nicm 1964: free(c->title);
1.1 nicm 1965: c->title = xstrdup(title);
1966: tty_set_title(&c->tty, c->title);
1967: }
1.77 nicm 1968: free(title);
1.128 nicm 1969:
1970: format_free(ft);
1.1 nicm 1971: }
1972:
1973: /* Dispatch message from client. */
1.190 nicm 1974: static void
1.162 nicm 1975: server_client_dispatch(struct imsg *imsg, void *arg)
1.1 nicm 1976: {
1.300 nicm 1977: struct client *c = arg;
1978: ssize_t datalen;
1979: struct session *s;
1.1 nicm 1980:
1.162 nicm 1981: if (c->flags & CLIENT_DEAD)
1982: return;
1983:
1984: if (imsg == NULL) {
1985: server_client_lost(c);
1986: return;
1987: }
1.1 nicm 1988:
1.162 nicm 1989: datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
1.1 nicm 1990:
1.162 nicm 1991: switch (imsg->hdr.type) {
1.329 nicm 1992: case MSG_IDENTIFY_FEATURES:
1.162 nicm 1993: case MSG_IDENTIFY_FLAGS:
1994: case MSG_IDENTIFY_TERM:
1995: case MSG_IDENTIFY_TTYNAME:
1996: case MSG_IDENTIFY_CWD:
1997: case MSG_IDENTIFY_STDIN:
1.351 nicm 1998: case MSG_IDENTIFY_STDOUT:
1.162 nicm 1999: case MSG_IDENTIFY_ENVIRON:
2000: case MSG_IDENTIFY_CLIENTPID:
2001: case MSG_IDENTIFY_DONE:
2002: server_client_dispatch_identify(c, imsg);
2003: break;
2004: case MSG_COMMAND:
2005: server_client_dispatch_command(c, imsg);
2006: break;
2007: case MSG_RESIZE:
2008: if (datalen != 0)
2009: fatalx("bad MSG_RESIZE size");
1.1 nicm 2010:
1.162 nicm 2011: if (c->flags & CLIENT_CONTROL)
1.1 nicm 2012: break;
1.295 nicm 2013: server_client_update_latest(c);
1.282 nicm 2014: server_client_clear_overlay(c);
1.236 nicm 2015: tty_resize(&c->tty);
2016: recalculate_sizes();
2017: server_redraw_client(c);
1.174 nicm 2018: if (c->session != NULL)
1.196 nicm 2019: notify_client("client-resized", c);
1.162 nicm 2020: break;
2021: case MSG_EXITING:
2022: if (datalen != 0)
2023: fatalx("bad MSG_EXITING size");
2024: c->session = NULL;
2025: tty_close(&c->tty);
2026: proc_send(c->peer, MSG_EXITED, -1, NULL, 0);
2027: break;
2028: case MSG_WAKEUP:
2029: case MSG_UNLOCK:
2030: if (datalen != 0)
2031: fatalx("bad MSG_WAKEUP size");
1.121 nicm 2032:
1.162 nicm 2033: if (!(c->flags & CLIENT_SUSPENDED))
2034: break;
2035: c->flags &= ~CLIENT_SUSPENDED;
1.10 nicm 2036:
1.348 nicm 2037: if (c->fd == -1) /* exited in the meantime */
1.1 nicm 2038: break;
1.162 nicm 2039: s = c->session;
1.1 nicm 2040:
1.162 nicm 2041: if (gettimeofday(&c->activity_time, NULL) != 0)
2042: fatal("gettimeofday failed");
2043:
2044: tty_start_tty(&c->tty);
2045: server_redraw_client(c);
2046: recalculate_sizes();
1.184 nicm 2047:
2048: if (s != NULL)
2049: session_update_activity(s, &c->activity_time);
1.162 nicm 2050: break;
2051: case MSG_SHELL:
2052: if (datalen != 0)
2053: fatalx("bad MSG_SHELL size");
1.1 nicm 2054:
1.162 nicm 2055: server_client_dispatch_shell(c);
2056: break;
1.300 nicm 2057: case MSG_WRITE_READY:
2058: server_client_dispatch_write_ready(c, imsg);
2059: break;
2060: case MSG_READ:
2061: server_client_dispatch_read_data(c, imsg);
2062: break;
2063: case MSG_READ_DONE:
2064: server_client_dispatch_read_done(c, imsg);
2065: break;
1.1 nicm 2066: }
2067: }
2068:
1.194 nicm 2069: /* Callback when command is done. */
2070: static enum cmd_retval
1.195 nicm 2071: server_client_command_done(struct cmdq_item *item, __unused void *data)
1.194 nicm 2072: {
1.316 nicm 2073: struct client *c = cmdq_get_client(item);
1.194 nicm 2074:
2075: if (~c->flags & CLIENT_ATTACHED)
2076: c->flags |= CLIENT_EXIT;
1.352 nicm 2077: else if (~c->flags & CLIENT_EXIT)
1.314 nicm 2078: tty_send_requests(&c->tty);
1.194 nicm 2079: return (CMD_RETURN_NORMAL);
2080: }
2081:
1.1 nicm 2082: /* Handle command message. */
1.190 nicm 2083: static void
1.162 nicm 2084: server_client_dispatch_command(struct client *c, struct imsg *imsg)
1.1 nicm 2085: {
1.300 nicm 2086: struct msg_command data;
1.108 nicm 2087: char *buf;
2088: size_t len;
2089: int argc;
2090: char **argv, *cause;
1.285 nicm 2091: struct cmd_parse_result *pr;
1.246 nicm 2092:
2093: if (c->flags & CLIENT_EXIT)
2094: return;
1.108 nicm 2095:
2096: if (imsg->hdr.len - IMSG_HEADER_SIZE < sizeof data)
2097: fatalx("bad MSG_COMMAND size");
2098: memcpy(&data, imsg->data, sizeof data);
2099:
1.124 nicm 2100: buf = (char *)imsg->data + sizeof data;
1.108 nicm 2101: len = imsg->hdr.len - IMSG_HEADER_SIZE - sizeof data;
2102: if (len > 0 && buf[len - 1] != '\0')
2103: fatalx("bad MSG_COMMAND string");
2104:
2105: argc = data.argc;
2106: if (cmd_unpack_argv(buf, len, argc, &argv) != 0) {
1.194 nicm 2107: cause = xstrdup("command too long");
1.1 nicm 2108: goto error;
2109: }
2110:
2111: if (argc == 0) {
2112: argc = 1;
2113: argv = xcalloc(1, sizeof *argv);
2114: *argv = xstrdup("new-session");
2115: }
2116:
1.285 nicm 2117: pr = cmd_parse_from_arguments(argc, argv, NULL);
2118: switch (pr->status) {
2119: case CMD_PARSE_EMPTY:
2120: cause = xstrdup("empty command");
1.1 nicm 2121: goto error;
1.285 nicm 2122: case CMD_PARSE_ERROR:
2123: cause = pr->error;
2124: goto error;
2125: case CMD_PARSE_SUCCESS:
2126: break;
1.1 nicm 2127: }
2128: cmd_free_argv(argc, argv);
2129:
1.318 nicm 2130: cmdq_append(c, cmdq_get_command(pr->cmdlist, NULL));
1.194 nicm 2131: cmdq_append(c, cmdq_get_callback(server_client_command_done, NULL));
1.285 nicm 2132:
2133: cmd_list_free(pr->cmdlist);
1.1 nicm 2134: return;
2135:
2136: error:
1.285 nicm 2137: cmd_free_argv(argc, argv);
2138:
1.284 nicm 2139: cmdq_append(c, cmdq_get_error(cause));
2140: free(cause);
1.88 nicm 2141:
1.36 nicm 2142: c->flags |= CLIENT_EXIT;
1.1 nicm 2143: }
2144:
2145: /* Handle identify message. */
1.190 nicm 2146: static void
1.162 nicm 2147: server_client_dispatch_identify(struct client *c, struct imsg *imsg)
1.1 nicm 2148: {
1.165 nicm 2149: const char *data, *home;
1.232 nicm 2150: size_t datalen;
1.329 nicm 2151: int flags, feat;
1.216 nicm 2152: char *name;
1.109 nicm 2153:
2154: if (c->flags & CLIENT_IDENTIFIED)
2155: fatalx("out-of-order identify message");
2156:
2157: data = imsg->data;
2158: datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
2159:
2160: switch (imsg->hdr.type) {
1.329 nicm 2161: case MSG_IDENTIFY_FEATURES:
2162: if (datalen != sizeof feat)
2163: fatalx("bad MSG_IDENTIFY_FEATURES size");
2164: memcpy(&feat, data, sizeof feat);
2165: c->term_features |= feat;
2166: log_debug("client %p IDENTIFY_FEATURES %s", c,
2167: tty_get_features(feat));
2168: break;
1.109 nicm 2169: case MSG_IDENTIFY_FLAGS:
2170: if (datalen != sizeof flags)
2171: fatalx("bad MSG_IDENTIFY_FLAGS size");
2172: memcpy(&flags, data, sizeof flags);
2173: c->flags |= flags;
1.158 nicm 2174: log_debug("client %p IDENTIFY_FLAGS %#x", c, flags);
1.109 nicm 2175: break;
2176: case MSG_IDENTIFY_TERM:
1.110 nicm 2177: if (datalen == 0 || data[datalen - 1] != '\0')
1.109 nicm 2178: fatalx("bad MSG_IDENTIFY_TERM string");
1.329 nicm 2179: if (*data == '\0')
2180: c->term_name = xstrdup("unknown");
2181: else
2182: c->term_name = xstrdup(data);
1.158 nicm 2183: log_debug("client %p IDENTIFY_TERM %s", c, data);
1.109 nicm 2184: break;
2185: case MSG_IDENTIFY_TTYNAME:
1.110 nicm 2186: if (datalen == 0 || data[datalen - 1] != '\0')
1.109 nicm 2187: fatalx("bad MSG_IDENTIFY_TTYNAME string");
2188: c->ttyname = xstrdup(data);
1.158 nicm 2189: log_debug("client %p IDENTIFY_TTYNAME %s", c, data);
1.109 nicm 2190: break;
2191: case MSG_IDENTIFY_CWD:
1.155 nicm 2192: if (datalen == 0 || data[datalen - 1] != '\0')
2193: fatalx("bad MSG_IDENTIFY_CWD string");
1.165 nicm 2194: if (access(data, X_OK) == 0)
2195: c->cwd = xstrdup(data);
2196: else if ((home = find_home()) != NULL)
2197: c->cwd = xstrdup(home);
2198: else
2199: c->cwd = xstrdup("/");
1.158 nicm 2200: log_debug("client %p IDENTIFY_CWD %s", c, data);
1.109 nicm 2201: break;
2202: case MSG_IDENTIFY_STDIN:
2203: if (datalen != 0)
2204: fatalx("bad MSG_IDENTIFY_STDIN size");
2205: c->fd = imsg->fd;
1.158 nicm 2206: log_debug("client %p IDENTIFY_STDIN %d", c, imsg->fd);
1.109 nicm 2207: break;
1.351 nicm 2208: case MSG_IDENTIFY_STDOUT:
2209: if (datalen != 0)
2210: fatalx("bad MSG_IDENTIFY_STDOUT size");
2211: c->out_fd = imsg->fd;
2212: log_debug("client %p IDENTIFY_STDOUT %d", c, imsg->fd);
2213: break;
1.109 nicm 2214: case MSG_IDENTIFY_ENVIRON:
1.110 nicm 2215: if (datalen == 0 || data[datalen - 1] != '\0')
1.109 nicm 2216: fatalx("bad MSG_IDENTIFY_ENVIRON string");
2217: if (strchr(data, '=') != NULL)
1.312 nicm 2218: environ_put(c->environ, data, 0);
1.158 nicm 2219: log_debug("client %p IDENTIFY_ENVIRON %s", c, data);
1.143 nicm 2220: break;
2221: case MSG_IDENTIFY_CLIENTPID:
2222: if (datalen != sizeof c->pid)
2223: fatalx("bad MSG_IDENTIFY_CLIENTPID size");
2224: memcpy(&c->pid, data, sizeof c->pid);
1.158 nicm 2225: log_debug("client %p IDENTIFY_CLIENTPID %ld", c, (long)c->pid);
1.109 nicm 2226: break;
2227: default:
2228: break;
2229: }
2230:
2231: if (imsg->hdr.type != MSG_IDENTIFY_DONE)
2232: return;
2233: c->flags |= CLIENT_IDENTIFIED;
1.75 nicm 2234:
1.216 nicm 2235: if (*c->ttyname != '\0')
2236: name = xstrdup(c->ttyname);
2237: else
2238: xasprintf(&name, "client-%ld", (long)c->pid);
2239: c->name = name;
2240: log_debug("client %p name is %s", c, c->name);
2241:
1.351 nicm 2242: if (c->flags & CLIENT_CONTROL)
1.300 nicm 2243: control_start(c);
1.351 nicm 2244: else if (c->fd != -1) {
1.348 nicm 2245: if (tty_init(&c->tty, c) != 0) {
1.288 nicm 2246: close(c->fd);
2247: c->fd = -1;
2248: } else {
2249: tty_resize(&c->tty);
2250: c->flags |= CLIENT_TERMINAL;
2251: }
1.351 nicm 2252: close(c->out_fd);
2253: c->out_fd = -1;
1.75 nicm 2254: }
1.1 nicm 2255:
1.288 nicm 2256: /*
2257: * If this is the first client that has finished identifying, load
2258: * configuration files.
2259: */
2260: if ((~c->flags & CLIENT_EXIT) &&
2261: !cfg_finished &&
2262: c == TAILQ_FIRST(&clients) &&
2263: TAILQ_NEXT(c, entry) == NULL)
2264: start_cfg();
1.1 nicm 2265: }
2266:
2267: /* Handle shell message. */
1.190 nicm 2268: static void
1.162 nicm 2269: server_client_dispatch_shell(struct client *c)
1.1 nicm 2270: {
1.107 nicm 2271: const char *shell;
1.25 nicm 2272:
1.163 nicm 2273: shell = options_get_string(global_s_options, "default-shell");
1.308 nicm 2274: if (!checkshell(shell))
1.1 nicm 2275: shell = _PATH_BSHELL;
1.240 nicm 2276: proc_send(c->peer, MSG_SHELL, -1, shell, strlen(shell) + 1);
1.25 nicm 2277:
1.162 nicm 2278: proc_kill_peer(c->peer);
1.169 nicm 2279: }
2280:
1.300 nicm 2281: /* Handle write ready message. */
1.169 nicm 2282: static void
1.300 nicm 2283: server_client_dispatch_write_ready(struct client *c, struct imsg *imsg)
1.169 nicm 2284: {
1.300 nicm 2285: struct msg_write_ready *msg = imsg->data;
2286: size_t msglen = imsg->hdr.len - IMSG_HEADER_SIZE;
2287: struct client_file find, *cf;
2288:
2289: if (msglen != sizeof *msg)
2290: fatalx("bad MSG_WRITE_READY size");
2291: find.stream = msg->stream;
2292: if ((cf = RB_FIND(client_files, &c->files, &find)) == NULL)
2293: return;
2294: if (msg->error != 0) {
2295: cf->error = msg->error;
2296: file_fire_done(cf);
2297: } else
2298: file_push(cf);
1.169 nicm 2299: }
2300:
1.300 nicm 2301: /* Handle read data message. */
2302: static void
2303: server_client_dispatch_read_data(struct client *c, struct imsg *imsg)
1.169 nicm 2304: {
1.300 nicm 2305: struct msg_read_data *msg = imsg->data;
2306: size_t msglen = imsg->hdr.len - IMSG_HEADER_SIZE;
2307: struct client_file find, *cf;
1.301 nicm 2308: void *bdata = msg + 1;
2309: size_t bsize = msglen - sizeof *msg;
1.169 nicm 2310:
1.301 nicm 2311: if (msglen < sizeof *msg)
1.300 nicm 2312: fatalx("bad MSG_READ_DATA size");
2313: find.stream = msg->stream;
2314: if ((cf = RB_FIND(client_files, &c->files, &find)) == NULL)
2315: return;
1.169 nicm 2316:
1.300 nicm 2317: log_debug("%s: file %d read %zu bytes", c->name, cf->stream, bsize);
2318: if (cf->error == 0) {
2319: if (evbuffer_add(cf->buffer, bdata, bsize) != 0) {
2320: cf->error = ENOMEM;
2321: file_fire_done(cf);
2322: } else
2323: file_fire_read(cf);
1.169 nicm 2324: }
2325: }
2326:
1.300 nicm 2327: /* Handle read done message. */
1.169 nicm 2328: static void
1.300 nicm 2329: server_client_dispatch_read_done(struct client *c, struct imsg *imsg)
1.169 nicm 2330: {
1.300 nicm 2331: struct msg_read_done *msg = imsg->data;
2332: size_t msglen = imsg->hdr.len - IMSG_HEADER_SIZE;
2333: struct client_file find, *cf;
1.169 nicm 2334:
1.300 nicm 2335: if (msglen != sizeof *msg)
2336: fatalx("bad MSG_READ_DONE size");
2337: find.stream = msg->stream;
2338: if ((cf = RB_FIND(client_files, &c->files, &find)) == NULL)
1.169 nicm 2339: return;
2340:
1.300 nicm 2341: log_debug("%s: file %d read done", c->name, cf->stream);
2342: cf->error = msg->error;
2343: file_fire_done(cf);
1.213 nicm 2344: }
2345:
2346: /* Get client working directory. */
2347: const char *
1.250 nicm 2348: server_client_get_cwd(struct client *c, struct session *s)
1.213 nicm 2349: {
1.250 nicm 2350: const char *home;
1.213 nicm 2351:
1.265 nicm 2352: if (!cfg_finished && cfg_client != NULL)
2353: return (cfg_client->cwd);
1.213 nicm 2354: if (c != NULL && c->session == NULL && c->cwd != NULL)
2355: return (c->cwd);
1.250 nicm 2356: if (s != NULL && s->cwd != NULL)
2357: return (s->cwd);
1.213 nicm 2358: if (c != NULL && (s = c->session) != NULL && s->cwd != NULL)
2359: return (s->cwd);
1.250 nicm 2360: if ((home = find_home()) != NULL)
2361: return (home);
2362: return ("/");
1.337 nicm 2363: }
2364:
2365: /* Set client flags. */
2366: void
2367: server_client_set_flags(struct client *c, const char *flags)
2368: {
2369: char *s, *copy, *next;
1.351 nicm 2370: uint64_t flag;
2371: int not;
1.337 nicm 2372:
2373: s = copy = xstrdup (flags);
2374: while ((next = strsep(&s, ",")) != NULL) {
2375: not = (*next == '!');
2376: if (not)
2377: next++;
2378:
1.350 nicm 2379: flag = 0;
2380: if (c->flags & CLIENT_CONTROL) {
2381: if (strcmp(next, "no-output") == 0)
2382: flag = CLIENT_CONTROL_NOOUTPUT;
2383: }
2384: if (strcmp(next, "read-only") == 0)
1.337 nicm 2385: flag = CLIENT_READONLY;
2386: else if (strcmp(next, "ignore-size") == 0)
2387: flag = CLIENT_IGNORESIZE;
1.341 nicm 2388: else if (strcmp(next, "active-pane") == 0)
2389: flag = CLIENT_ACTIVEPANE;
1.350 nicm 2390: if (flag == 0)
1.337 nicm 2391: continue;
2392:
2393: log_debug("client %s set flag %s", c->name, next);
2394: if (not)
2395: c->flags &= ~flag;
2396: else
2397: c->flags |= flag;
1.346 nicm 2398: if (flag == CLIENT_CONTROL_NOOUTPUT)
1.352 nicm 2399: control_reset_offsets(c);
1.337 nicm 2400: }
2401: free(copy);
2402: }
2403:
1.340 nicm 2404: /* Get client flags. This is only flags useful to show to users. */
1.337 nicm 2405: const char *
2406: server_client_get_flags(struct client *c)
2407: {
2408: static char s[256];
2409:
2410: *s = '\0';
2411: if (c->flags & CLIENT_ATTACHED)
2412: strlcat(s, "attached,", sizeof s);
2413: if (c->flags & CLIENT_CONTROL)
2414: strlcat(s, "control-mode,", sizeof s);
2415: if (c->flags & CLIENT_IGNORESIZE)
2416: strlcat(s, "ignore-size,", sizeof s);
2417: if (c->flags & CLIENT_CONTROL_NOOUTPUT)
2418: strlcat(s, "no-output,", sizeof s);
2419: if (c->flags & CLIENT_READONLY)
2420: strlcat(s, "read-only,", sizeof s);
1.341 nicm 2421: if (c->flags & CLIENT_ACTIVEPANE)
2422: strlcat(s, "active-pane,", sizeof s);
1.337 nicm 2423: if (c->flags & CLIENT_SUSPENDED)
2424: strlcat(s, "suspended,", sizeof s);
2425: if (c->flags & CLIENT_UTF8)
2426: strlcat(s, "UTF-8,", sizeof s);
2427: if (*s != '\0')
2428: s[strlen(s) - 1] = '\0';
2429: return (s);
1.341 nicm 2430: }
2431:
2432: /* Get client window. */
2433: static struct client_window *
2434: server_client_get_client_window(struct client *c, u_int id)
2435: {
2436: struct client_window cw = { .window = id };
2437:
2438: return (RB_FIND(client_windows, &c->windows, &cw));
2439: }
2440:
2441: /* Get client active pane. */
2442: struct window_pane *
2443: server_client_get_pane(struct client *c)
2444: {
2445: struct session *s = c->session;
2446: struct client_window *cw;
2447:
2448: if (s == NULL)
2449: return (NULL);
2450:
2451: if (~c->flags & CLIENT_ACTIVEPANE)
2452: return (s->curw->window->active);
2453: cw = server_client_get_client_window(c, s->curw->window->id);
2454: if (cw == NULL)
2455: return (s->curw->window->active);
2456: return (cw->pane);
2457: }
2458:
2459: /* Set client active pane. */
2460: void
2461: server_client_set_pane(struct client *c, struct window_pane *wp)
2462: {
2463: struct session *s = c->session;
2464: struct client_window *cw;
2465:
2466: if (s == NULL)
2467: return;
2468:
2469: cw = server_client_get_client_window(c, s->curw->window->id);
2470: if (cw == NULL) {
2471: cw = xcalloc(1, sizeof *cw);
2472: cw->window = s->curw->window->id;
2473: RB_INSERT(client_windows, &c->windows, cw);
2474: }
2475: cw->pane = wp;
2476: log_debug("%s pane now %%%u", c->name, wp->id);
2477: }
2478:
2479: /* Remove pane from client lists. */
2480: void
2481: server_client_remove_pane(struct window_pane *wp)
2482: {
2483: struct client *c;
2484: struct window *w = wp->window;
2485: struct client_window *cw;
2486:
2487: TAILQ_FOREACH(c, &clients, entry) {
2488: cw = server_client_get_client_window(c, w->id);
2489: if (cw != NULL && cw->pane == wp) {
2490: RB_REMOVE(client_windows, &c->windows, cw);
2491: free(cw);
2492: }
2493: }
1.1 nicm 2494: }
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