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Annotation of src/usr.bin/tmux/server-client.c, Revision 1.375

1.375   ! nicm        1: /* $OpenBSD: server-client.c,v 1.374 2021/06/10 07:33:41 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 *);
1.373     nicm       49: static void    server_client_update_latest(struct client *);
1.190     nicm       50:
                     51: static void    server_client_dispatch(struct imsg *, void *);
                     52: static void    server_client_dispatch_command(struct client *, struct imsg *);
                     53: static void    server_client_dispatch_identify(struct client *, struct imsg *);
                     54: static void    server_client_dispatch_shell(struct client *);
1.233     nicm       55:
1.341     nicm       56: /* Compare client windows. */
                     57: static int
                     58: server_client_window_cmp(struct client_window *cw1,
                     59:     struct client_window *cw2)
                     60: {
                     61:        if (cw1->window < cw2->window)
                     62:                return (-1);
                     63:        if (cw1->window > cw2->window)
                     64:                return (1);
                     65:        return (0);
                     66: }
                     67: RB_GENERATE(client_windows, client_window, entry, server_client_window_cmp);
                     68:
1.233     nicm       69: /* Number of attached clients. */
                     70: u_int
                     71: server_client_how_many(void)
                     72: {
                     73:        struct client   *c;
                     74:        u_int            n;
                     75:
                     76:        n = 0;
                     77:        TAILQ_FOREACH(c, &clients, entry) {
1.352     nicm       78:                if (c->session != NULL && (~c->flags & CLIENT_UNATTACHEDFLAGS))
1.233     nicm       79:                        n++;
                     80:        }
                     81:        return (n);
                     82: }
1.140     nicm       83:
1.281     nicm       84: /* Overlay timer callback. */
1.214     nicm       85: static void
1.281     nicm       86: server_client_overlay_timer(__unused int fd, __unused short events, void *data)
1.214     nicm       87: {
1.281     nicm       88:        server_client_clear_overlay(data);
1.214     nicm       89: }
                     90:
1.281     nicm       91: /* Set an overlay on client. */
1.214     nicm       92: void
1.309     nicm       93: server_client_set_overlay(struct client *c, u_int delay,
                     94:     overlay_check_cb checkcb, overlay_mode_cb modecb,
                     95:     overlay_draw_cb drawcb, overlay_key_cb keycb, overlay_free_cb freecb,
                     96:     void *data)
1.214     nicm       97: {
                     98:        struct timeval  tv;
                     99:
1.282     nicm      100:        if (c->overlay_draw != NULL)
                    101:                server_client_clear_overlay(c);
                    102:
1.214     nicm      103:        tv.tv_sec = delay / 1000;
                    104:        tv.tv_usec = (delay % 1000) * 1000L;
                    105:
1.281     nicm      106:        if (event_initialized(&c->overlay_timer))
                    107:                evtimer_del(&c->overlay_timer);
                    108:        evtimer_set(&c->overlay_timer, server_client_overlay_timer, c);
1.242     nicm      109:        if (delay != 0)
1.281     nicm      110:                evtimer_add(&c->overlay_timer, &tv);
                    111:
1.309     nicm      112:        c->overlay_check = checkcb;
                    113:        c->overlay_mode = modecb;
1.281     nicm      114:        c->overlay_draw = drawcb;
                    115:        c->overlay_key = keycb;
                    116:        c->overlay_free = freecb;
                    117:        c->overlay_data = data;
1.214     nicm      118:
1.309     nicm      119:        c->tty.flags |= TTY_FREEZE;
                    120:        if (c->overlay_mode == NULL)
                    121:                c->tty.flags |= TTY_NOCURSOR;
1.214     nicm      122:        server_redraw_client(c);
                    123: }
                    124:
1.281     nicm      125: /* Clear overlay mode on client. */
1.309     nicm      126: void
1.281     nicm      127: server_client_clear_overlay(struct client *c)
1.214     nicm      128: {
1.281     nicm      129:        if (c->overlay_draw == NULL)
1.214     nicm      130:                return;
                    131:
1.281     nicm      132:        if (event_initialized(&c->overlay_timer))
                    133:                evtimer_del(&c->overlay_timer);
                    134:
                    135:        if (c->overlay_free != NULL)
                    136:                c->overlay_free(c);
                    137:
1.309     nicm      138:        c->overlay_check = NULL;
                    139:        c->overlay_mode = NULL;
1.281     nicm      140:        c->overlay_draw = NULL;
                    141:        c->overlay_key = NULL;
1.309     nicm      142:        c->overlay_free = NULL;
                    143:        c->overlay_data = NULL;
1.214     nicm      144:
                    145:        c->tty.flags &= ~(TTY_FREEZE|TTY_NOCURSOR);
                    146:        server_redraw_client(c);
                    147: }
                    148:
1.140     nicm      149: /* Check if this client is inside this server. */
                    150: int
                    151: server_client_check_nested(struct client *c)
                    152: {
                    153:        struct environ_entry    *envent;
                    154:        struct window_pane      *wp;
                    155:
1.164     nicm      156:        envent = environ_find(c->environ, "TMUX");
1.140     nicm      157:        if (envent == NULL || *envent->value == '\0')
                    158:                return (0);
                    159:
                    160:        RB_FOREACH(wp, window_pane_tree, &all_window_panes) {
1.216     nicm      161:                if (strcmp(wp->tty, c->ttyname) == 0)
1.140     nicm      162:                        return (1);
                    163:        }
                    164:        return (0);
                    165: }
1.1       nicm      166:
1.132     nicm      167: /* Set client key table. */
                    168: void
1.178     nicm      169: server_client_set_key_table(struct client *c, const char *name)
1.132     nicm      170: {
1.178     nicm      171:        if (name == NULL)
                    172:                name = server_client_get_key_table(c);
                    173:
1.132     nicm      174:        key_bindings_unref_table(c->keytable);
                    175:        c->keytable = key_bindings_get_table(name, 1);
                    176:        c->keytable->references++;
                    177: }
                    178:
1.178     nicm      179: /* Get default key table. */
                    180: const char *
                    181: server_client_get_key_table(struct client *c)
                    182: {
                    183:        struct session  *s = c->session;
                    184:        const char      *name;
                    185:
                    186:        if (s == NULL)
                    187:                return ("root");
                    188:
                    189:        name = options_get_string(s->options, "key-table");
                    190:        if (*name == '\0')
                    191:                return ("root");
                    192:        return (name);
                    193: }
                    194:
1.223     nicm      195: /* Is this table the default key table? */
                    196: static int
                    197: server_client_is_default_key_table(struct client *c, struct key_table *table)
1.191     nicm      198: {
1.223     nicm      199:        return (strcmp(table->name, server_client_get_key_table(c)) == 0);
1.191     nicm      200: }
                    201:
1.1       nicm      202: /* Create a new client. */
1.246     nicm      203: struct client *
1.1       nicm      204: server_client_create(int fd)
                    205: {
                    206:        struct client   *c;
                    207:
1.49      nicm      208:        setblocking(fd, 0);
1.1       nicm      209:
                    210:        c = xcalloc(1, sizeof *c);
1.141     nicm      211:        c->references = 1;
1.162     nicm      212:        c->peer = proc_add_peer(server_proc, fd, server_client_dispatch, c);
1.25      nicm      213:
1.10      nicm      214:        if (gettimeofday(&c->creation_time, NULL) != 0)
1.1       nicm      215:                fatal("gettimeofday failed");
1.11      nicm      216:        memcpy(&c->activity_time, &c->creation_time, sizeof c->activity_time);
1.111     nicm      217:
1.164     nicm      218:        c->environ = environ_create();
1.1       nicm      219:
1.146     nicm      220:        c->fd = -1;
1.351     nicm      221:        c->out_fd = -1;
1.145     nicm      222:
1.316     nicm      223:        c->queue = cmdq_new();
1.341     nicm      224:        RB_INIT(&c->windows);
1.345     nicm      225:        RB_INIT(&c->files);
1.94      nicm      226:
1.1       nicm      227:        c->tty.sx = 80;
                    228:        c->tty.sy = 24;
                    229:
1.271     nicm      230:        status_init(c);
1.93      nicm      231:        c->flags |= CLIENT_FOCUSED;
                    232:
1.132     nicm      233:        c->keytable = key_bindings_get_table("root", 1);
                    234:        c->keytable->references++;
                    235:
1.17      nicm      236:        evtimer_set(&c->repeat_timer, server_client_repeat_timer, c);
1.192     nicm      237:        evtimer_set(&c->click_timer, server_client_click_timer, c);
1.17      nicm      238:
1.135     nicm      239:        TAILQ_INSERT_TAIL(&clients, c, entry);
1.157     nicm      240:        log_debug("new client %p", c);
1.246     nicm      241:        return (c);
1.72      nicm      242: }
                    243:
                    244: /* Open client terminal if needed. */
                    245: int
1.119     nicm      246: server_client_open(struct client *c, char **cause)
1.72      nicm      247: {
1.339     nicm      248:        const char      *ttynam = _PATH_TTY;
                    249:
1.75      nicm      250:        if (c->flags & CLIENT_CONTROL)
                    251:                return (0);
1.120     nicm      252:
1.339     nicm      253:        if (strcmp(c->ttyname, ttynam) == 0||
                    254:            ((isatty(STDIN_FILENO) &&
                    255:            (ttynam = ttyname(STDIN_FILENO)) != NULL &&
                    256:            strcmp(c->ttyname, ttynam) == 0) ||
                    257:            (isatty(STDOUT_FILENO) &&
                    258:            (ttynam = ttyname(STDOUT_FILENO)) != NULL &&
                    259:            strcmp(c->ttyname, ttynam) == 0) ||
                    260:            (isatty(STDERR_FILENO) &&
                    261:            (ttynam = ttyname(STDERR_FILENO)) != NULL &&
                    262:            strcmp(c->ttyname, ttynam) == 0))) {
                    263:                xasprintf(cause, "can't use %s", c->ttyname);
1.120     nicm      264:                return (-1);
                    265:        }
1.75      nicm      266:
1.72      nicm      267:        if (!(c->flags & CLIENT_TERMINAL)) {
1.116     nicm      268:                *cause = xstrdup("not a terminal");
1.72      nicm      269:                return (-1);
                    270:        }
                    271:
1.119     nicm      272:        if (tty_open(&c->tty, cause) != 0)
1.72      nicm      273:                return (-1);
                    274:
                    275:        return (0);
1.1       nicm      276: }
                    277:
1.373     nicm      278: /* Lost an attached client. */
                    279: static void
                    280: server_client_attached_lost(struct client *c)
                    281: {
                    282:        struct session  *s = c->session;
                    283:        struct window   *w;
                    284:        struct client   *loop;
                    285:        struct client   *found;
                    286:
                    287:        log_debug("lost attached client %p", c);
                    288:
                    289:        /*
                    290:         * By this point the session in the client has been cleared so walk all
                    291:         * windows to find any with this client as the latest.
                    292:         */
                    293:        RB_FOREACH(w, windows, &windows) {
                    294:                if (w->latest != c)
                    295:                        continue;
                    296:
                    297:                found = NULL;
                    298:                TAILQ_FOREACH(loop, &clients, entry) {
                    299:                        s = loop->session;
                    300:                        if (loop == c || s == NULL || s->curw->window != w)
                    301:                                continue;
                    302:                        if (found == NULL ||
                    303:                            timercmp(&loop->activity_time, &found->activity_time,
                    304:                            >))
                    305:                                found = loop;
                    306:                }
                    307:                if (found != NULL)
                    308:                        server_client_update_latest(found);
                    309:        }
                    310: }
                    311:
1.1       nicm      312: /* Lost a client. */
                    313: void
                    314: server_client_lost(struct client *c)
                    315: {
1.340     nicm      316:        struct client_file      *cf, *cf1;
1.341     nicm      317:        struct client_window    *cw, *cw1;
1.1       nicm      318:
1.141     nicm      319:        c->flags |= CLIENT_DEAD;
                    320:
1.281     nicm      321:        server_client_clear_overlay(c);
1.141     nicm      322:        status_prompt_clear(c);
                    323:        status_message_clear(c);
                    324:
1.340     nicm      325:        RB_FOREACH_SAFE(cf, client_files, &c->files, cf1) {
1.300     nicm      326:                cf->error = EINTR;
                    327:                file_fire_done(cf);
                    328:        }
1.341     nicm      329:        RB_FOREACH_SAFE(cw, client_windows, &c->windows, cw1) {
                    330:                RB_REMOVE(client_windows, &c->windows, cw);
                    331:                free(cw);
                    332:        }
1.141     nicm      333:
1.135     nicm      334:        TAILQ_REMOVE(&clients, c, entry);
1.157     nicm      335:        log_debug("lost client %p", c);
1.1       nicm      336:
1.373     nicm      337:        if (c->flags & CLIENT_ATTACHED) {
                    338:                server_client_attached_lost(c);
1.371     nicm      339:                notify_client("client-detached", c);
1.373     nicm      340:        }
1.371     nicm      341:
1.349     nicm      342:        if (c->flags & CLIENT_CONTROL)
                    343:                control_stop(c);
1.1       nicm      344:        if (c->flags & CLIENT_TERMINAL)
                    345:                tty_free(&c->tty);
1.109     nicm      346:        free(c->ttyname);
1.333     nicm      347:
1.329     nicm      348:        free(c->term_name);
1.333     nicm      349:        free(c->term_type);
1.370     nicm      350:        tty_term_free_list(c->term_caps, c->term_ncaps);
1.1       nicm      351:
1.270     nicm      352:        status_free(c);
1.1       nicm      353:
1.77      nicm      354:        free(c->title);
1.165     nicm      355:        free((void *)c->cwd);
1.1       nicm      356:
1.17      nicm      357:        evtimer_del(&c->repeat_timer);
1.192     nicm      358:        evtimer_del(&c->click_timer);
1.17      nicm      359:
1.132     nicm      360:        key_bindings_unref_table(c->keytable);
                    361:
1.77      nicm      362:        free(c->message_string);
1.116     nicm      363:        if (event_initialized(&c->message_timer))
1.69      nicm      364:                evtimer_del(&c->message_timer);
1.1       nicm      365:
1.259     nicm      366:        free(c->prompt_saved);
1.77      nicm      367:        free(c->prompt_string);
                    368:        free(c->prompt_buffer);
1.61      nicm      369:
1.228     nicm      370:        format_lost_client(c);
1.164     nicm      371:        environ_free(c->environ);
1.1       nicm      372:
1.162     nicm      373:        proc_remove_peer(c->peer);
                    374:        c->peer = NULL;
1.13      nicm      375:
1.351     nicm      376:        if (c->out_fd != -1)
                    377:                close(c->out_fd);
1.348     nicm      378:        if (c->fd != -1) {
                    379:                close(c->fd);
                    380:                c->fd = -1;
                    381:        }
1.142     nicm      382:        server_client_unref(c);
1.71      nicm      383:
                    384:        server_add_accept(0); /* may be more file descriptors now */
1.1       nicm      385:
                    386:        recalculate_sizes();
1.41      nicm      387:        server_check_unattached();
1.19      nicm      388:        server_update_socket();
1.141     nicm      389: }
                    390:
                    391: /* Remove reference from a client. */
                    392: void
1.142     nicm      393: server_client_unref(struct client *c)
1.141     nicm      394: {
1.157     nicm      395:        log_debug("unref client %p (%d references)", c, c->references);
1.141     nicm      396:
                    397:        c->references--;
                    398:        if (c->references == 0)
                    399:                event_once(-1, EV_TIMEOUT, server_client_free, c, NULL);
                    400: }
                    401:
                    402: /* Free dead client. */
1.190     nicm      403: static void
1.170     nicm      404: server_client_free(__unused int fd, __unused short events, void *arg)
1.141     nicm      405: {
                    406:        struct client   *c = arg;
                    407:
1.157     nicm      408:        log_debug("free client %p (%d references)", c, c->references);
1.141     nicm      409:
1.316     nicm      410:        cmdq_free(c->queue);
1.194     nicm      411:
1.216     nicm      412:        if (c->references == 0) {
                    413:                free((void *)c->name);
1.141     nicm      414:                free(c);
1.216     nicm      415:        }
1.9       nicm      416: }
                    417:
1.220     nicm      418: /* Suspend a client. */
                    419: void
                    420: server_client_suspend(struct client *c)
                    421: {
1.232     nicm      422:        struct session  *s = c->session;
1.220     nicm      423:
1.352     nicm      424:        if (s == NULL || (c->flags & CLIENT_UNATTACHEDFLAGS))
1.220     nicm      425:                return;
                    426:
                    427:        tty_stop_tty(&c->tty);
                    428:        c->flags |= CLIENT_SUSPENDED;
                    429:        proc_send(c->peer, MSG_SUSPEND, -1, NULL, 0);
                    430: }
                    431:
1.174     nicm      432: /* Detach a client. */
                    433: void
                    434: server_client_detach(struct client *c, enum msgtype msgtype)
                    435: {
1.232     nicm      436:        struct session  *s = c->session;
1.174     nicm      437:
1.352     nicm      438:        if (s == NULL || (c->flags & CLIENT_UNATTACHEDFLAGS))
1.174     nicm      439:                return;
                    440:
1.352     nicm      441:        c->flags |= CLIENT_EXIT;
                    442:
                    443:        c->exit_type = CLIENT_EXIT_DETACH;
                    444:        c->exit_msgtype = msgtype;
                    445:        c->exit_session = xstrdup(s->name);
1.207     nicm      446: }
                    447:
1.208     nicm      448: /* Execute command to replace a client. */
1.207     nicm      449: void
                    450: server_client_exec(struct client *c, const char *cmd)
                    451: {
                    452:        struct session  *s = c->session;
1.208     nicm      453:        char            *msg;
                    454:        const char      *shell;
1.207     nicm      455:        size_t           cmdsize, shellsize;
                    456:
                    457:        if (*cmd == '\0')
                    458:                return;
                    459:        cmdsize = strlen(cmd) + 1;
                    460:
                    461:        if (s != NULL)
                    462:                shell = options_get_string(s->options, "default-shell");
                    463:        else
                    464:                shell = options_get_string(global_s_options, "default-shell");
1.308     nicm      465:        if (!checkshell(shell))
                    466:                shell = _PATH_BSHELL;
1.207     nicm      467:        shellsize = strlen(shell) + 1;
                    468:
                    469:        msg = xmalloc(cmdsize + shellsize);
                    470:        memcpy(msg, cmd, cmdsize);
                    471:        memcpy(msg + cmdsize, shell, shellsize);
                    472:
                    473:        proc_send(c->peer, MSG_EXEC, -1, msg, cmdsize + shellsize);
                    474:        free(msg);
1.174     nicm      475: }
                    476:
1.66      nicm      477: /* Check for mouse keys. */
1.190     nicm      478: static key_code
1.276     nicm      479: server_client_check_mouse(struct client *c, struct key_event *event)
1.66      nicm      480: {
1.276     nicm      481:        struct mouse_event      *m = &event->m;
1.192     nicm      482:        struct session          *s = c->session;
1.272     nicm      483:        struct winlink          *wl;
1.192     nicm      484:        struct window_pane      *wp;
1.261     nicm      485:        u_int                    x, y, b, sx, sy, px, py;
1.307     nicm      486:        int                      ignore = 0;
1.192     nicm      487:        key_code                 key;
                    488:        struct timeval           tv;
1.272     nicm      489:        struct style_range      *sr;
1.283     nicm      490:        enum { NOTYPE,
                    491:               MOVE,
                    492:               DOWN,
                    493:               UP,
                    494:               DRAG,
                    495:               WHEEL,
1.311     nicm      496:               SECOND,
1.283     nicm      497:               DOUBLE,
                    498:               TRIPLE } type = NOTYPE;
1.276     nicm      499:        enum { NOWHERE,
                    500:               PANE,
                    501:               STATUS,
                    502:               STATUS_LEFT,
                    503:               STATUS_RIGHT,
                    504:               STATUS_DEFAULT,
1.283     nicm      505:               BORDER } where = NOWHERE;
1.131     nicm      506:
1.261     nicm      507:        log_debug("%s mouse %02x at %u,%u (last %u,%u) (%d)", c->name, m->b,
                    508:            m->x, m->y, m->lx, m->ly, c->tty.mouse_drag_flag);
1.131     nicm      509:
                    510:        /* What type of event is this? */
1.306     nicm      511:        if (event->key == KEYC_DOUBLECLICK) {
                    512:                type = DOUBLE;
                    513:                x = m->x, y = m->y, b = m->b;
1.307     nicm      514:                ignore = 1;
1.306     nicm      515:                log_debug("double-click at %u,%u", x, y);
                    516:        } else if ((m->sgr_type != ' ' &&
1.209     nicm      517:            MOUSE_DRAG(m->sgr_b) &&
                    518:            MOUSE_BUTTONS(m->sgr_b) == 3) ||
                    519:            (m->sgr_type == ' ' &&
                    520:            MOUSE_DRAG(m->b) &&
                    521:            MOUSE_BUTTONS(m->b) == 3 &&
                    522:            MOUSE_BUTTONS(m->lb) == 3)) {
                    523:                type = MOVE;
                    524:                x = m->x, y = m->y, b = 0;
                    525:                log_debug("move at %u,%u", x, y);
                    526:        } else if (MOUSE_DRAG(m->b)) {
1.131     nicm      527:                type = DRAG;
                    528:                if (c->tty.mouse_drag_flag) {
                    529:                        x = m->x, y = m->y, b = m->b;
1.278     nicm      530:                        if (x == m->lx && y == m->ly)
                    531:                                return (KEYC_UNKNOWN);
1.131     nicm      532:                        log_debug("drag update at %u,%u", x, y);
                    533:                } else {
1.277     nicm      534:                        x = m->lx, y = m->ly, b = m->lb;
1.131     nicm      535:                        log_debug("drag start at %u,%u", x, y);
                    536:                }
                    537:        } else if (MOUSE_WHEEL(m->b)) {
                    538:                type = WHEEL;
                    539:                x = m->x, y = m->y, b = m->b;
                    540:                log_debug("wheel at %u,%u", x, y);
1.200     nicm      541:        } else if (MOUSE_RELEASE(m->b)) {
1.131     nicm      542:                type = UP;
                    543:                x = m->x, y = m->y, b = m->lb;
                    544:                log_debug("up at %u,%u", x, y);
                    545:        } else {
1.192     nicm      546:                if (c->flags & CLIENT_DOUBLECLICK) {
                    547:                        evtimer_del(&c->click_timer);
                    548:                        c->flags &= ~CLIENT_DOUBLECLICK;
                    549:                        if (m->b == c->click_button) {
1.311     nicm      550:                                type = SECOND;
                    551:                                x = m->x, y = m->y, b = m->b;
                    552:                                log_debug("second-click at %u,%u", x, y);
1.306     nicm      553:                                c->flags |= CLIENT_TRIPLECLICK;
1.192     nicm      554:                        }
                    555:                } else if (c->flags & CLIENT_TRIPLECLICK) {
                    556:                        evtimer_del(&c->click_timer);
                    557:                        c->flags &= ~CLIENT_TRIPLECLICK;
                    558:                        if (m->b == c->click_button) {
                    559:                                type = TRIPLE;
                    560:                                x = m->x, y = m->y, b = m->b;
                    561:                                log_debug("triple-click at %u,%u", x, y);
                    562:                                goto have_event;
                    563:                        }
1.311     nicm      564:                } else {
                    565:                        type = DOWN;
                    566:                        x = m->x, y = m->y, b = m->b;
                    567:                        log_debug("down at %u,%u", x, y);
1.307     nicm      568:                        c->flags |= CLIENT_DOUBLECLICK;
1.311     nicm      569:                }
1.192     nicm      570:
                    571:                if (KEYC_CLICK_TIMEOUT != 0) {
1.306     nicm      572:                        memcpy(&c->click_event, m, sizeof c->click_event);
1.192     nicm      573:                        c->click_button = m->b;
                    574:
1.312     nicm      575:                        log_debug("click timer started");
1.192     nicm      576:                        tv.tv_sec = KEYC_CLICK_TIMEOUT / 1000;
                    577:                        tv.tv_usec = (KEYC_CLICK_TIMEOUT % 1000) * 1000L;
                    578:                        evtimer_del(&c->click_timer);
                    579:                        evtimer_add(&c->click_timer, &tv);
                    580:                }
1.131     nicm      581:        }
1.192     nicm      582:
                    583: have_event:
1.131     nicm      584:        if (type == NOTYPE)
1.177     nicm      585:                return (KEYC_UNKNOWN);
1.131     nicm      586:
1.258     nicm      587:        /* Save the session. */
1.131     nicm      588:        m->s = s->id;
1.258     nicm      589:        m->w = -1;
1.307     nicm      590:        m->ignore = ignore;
1.131     nicm      591:
                    592:        /* Is this on the status line? */
                    593:        m->statusat = status_at_line(c);
1.292     nicm      594:        m->statuslines = status_line_size(c);
1.272     nicm      595:        if (m->statusat != -1 &&
                    596:            y >= (u_int)m->statusat &&
1.292     nicm      597:            y < m->statusat + m->statuslines) {
1.272     nicm      598:                sr = status_get_range(c, x, y - m->statusat);
1.274     nicm      599:                if (sr == NULL) {
                    600:                        where = STATUS_DEFAULT;
                    601:                } else {
                    602:                        switch (sr->type) {
                    603:                        case STYLE_RANGE_NONE:
1.273     nicm      604:                                return (KEYC_UNKNOWN);
1.274     nicm      605:                        case STYLE_RANGE_LEFT:
                    606:                                where = STATUS_LEFT;
                    607:                                break;
                    608:                        case STYLE_RANGE_RIGHT:
                    609:                                where = STATUS_RIGHT;
                    610:                                break;
                    611:                        case STYLE_RANGE_WINDOW:
1.298     nicm      612:                                wl = winlink_find_by_index(&s->windows,
                    613:                                    sr->argument);
1.274     nicm      614:                                if (wl == NULL)
                    615:                                        return (KEYC_UNKNOWN);
                    616:                                m->w = wl->window->id;
1.273     nicm      617:
1.274     nicm      618:                                where = STATUS;
                    619:                                break;
                    620:                        }
1.258     nicm      621:                }
                    622:        }
1.131     nicm      623:
                    624:        /* Not on status line. Adjust position and check for border or pane. */
                    625:        if (where == NOWHERE) {
1.261     nicm      626:                px = x;
1.292     nicm      627:                if (m->statusat == 0 && y >= m->statuslines)
                    628:                        py = y - m->statuslines;
1.131     nicm      629:                else if (m->statusat > 0 && y >= (u_int)m->statusat)
1.261     nicm      630:                        py = m->statusat - 1;
                    631:                else
                    632:                        py = y;
                    633:
                    634:                tty_window_offset(&c->tty, &m->ox, &m->oy, &sx, &sy);
                    635:                log_debug("mouse window @%u at %u,%u (%ux%u)",
                    636:                    s->curw->window->id, m->ox, m->oy, sx, sy);
                    637:                if (px > sx || py > sy)
                    638:                        return (KEYC_UNKNOWN);
                    639:                px = px + m->ox;
                    640:                py = py + m->oy;
1.131     nicm      641:
1.260     nicm      642:                /* Try the pane borders if not zoomed. */
                    643:                if (~s->curw->window->flags & WINDOW_ZOOMED) {
                    644:                        TAILQ_FOREACH(wp, &s->curw->window->panes, entry) {
1.261     nicm      645:                                if ((wp->xoff + wp->sx == px &&
                    646:                                    wp->yoff <= 1 + py &&
                    647:                                    wp->yoff + wp->sy >= py) ||
                    648:                                    (wp->yoff + wp->sy == py &&
                    649:                                    wp->xoff <= 1 + px &&
                    650:                                    wp->xoff + wp->sx >= px))
1.260     nicm      651:                                        break;
                    652:                        }
                    653:                        if (wp != NULL)
                    654:                                where = BORDER;
1.131     nicm      655:                }
1.260     nicm      656:
                    657:                /* Otherwise try inside the pane. */
                    658:                if (where == NOWHERE) {
1.261     nicm      659:                        wp = window_get_active_at(s->curw->window, px, py);
1.260     nicm      660:                        if (wp != NULL)
1.131     nicm      661:                                where = PANE;
1.315     nicm      662:                        else
                    663:                                return (KEYC_UNKNOWN);
1.131     nicm      664:                }
1.260     nicm      665:                if (where == PANE)
                    666:                        log_debug("mouse %u,%u on pane %%%u", x, y, wp->id);
                    667:                else if (where == BORDER)
                    668:                        log_debug("mouse on pane %%%u border", wp->id);
1.131     nicm      669:                m->wp = wp->id;
                    670:                m->w = wp->window->id;
                    671:        } else
                    672:                m->wp = -1;
                    673:
                    674:        /* Stop dragging if needed. */
1.200     nicm      675:        if (type != DRAG && type != WHEEL && c->tty.mouse_drag_flag) {
1.131     nicm      676:                if (c->tty.mouse_drag_release != NULL)
                    677:                        c->tty.mouse_drag_release(c, m);
                    678:
                    679:                c->tty.mouse_drag_update = NULL;
                    680:                c->tty.mouse_drag_release = NULL;
                    681:
1.182     nicm      682:                /*
1.183     nicm      683:                 * End a mouse drag by passing a MouseDragEnd key corresponding
                    684:                 * to the button that started the drag.
1.182     nicm      685:                 */
                    686:                switch (c->tty.mouse_drag_flag) {
                    687:                case 1:
                    688:                        if (where == PANE)
1.183     nicm      689:                                key = KEYC_MOUSEDRAGEND1_PANE;
1.182     nicm      690:                        if (where == STATUS)
1.183     nicm      691:                                key = KEYC_MOUSEDRAGEND1_STATUS;
1.258     nicm      692:                        if (where == STATUS_LEFT)
                    693:                                key = KEYC_MOUSEDRAGEND1_STATUS_LEFT;
                    694:                        if (where == STATUS_RIGHT)
                    695:                                key = KEYC_MOUSEDRAGEND1_STATUS_RIGHT;
1.274     nicm      696:                        if (where == STATUS_DEFAULT)
                    697:                                key = KEYC_MOUSEDRAGEND1_STATUS_DEFAULT;
1.182     nicm      698:                        if (where == BORDER)
1.183     nicm      699:                                key = KEYC_MOUSEDRAGEND1_BORDER;
1.182     nicm      700:                        break;
                    701:                case 2:
                    702:                        if (where == PANE)
1.183     nicm      703:                                key = KEYC_MOUSEDRAGEND2_PANE;
1.182     nicm      704:                        if (where == STATUS)
1.183     nicm      705:                                key = KEYC_MOUSEDRAGEND2_STATUS;
1.258     nicm      706:                        if (where == STATUS_LEFT)
                    707:                                key = KEYC_MOUSEDRAGEND2_STATUS_LEFT;
                    708:                        if (where == STATUS_RIGHT)
                    709:                                key = KEYC_MOUSEDRAGEND2_STATUS_RIGHT;
1.274     nicm      710:                        if (where == STATUS_DEFAULT)
                    711:                                key = KEYC_MOUSEDRAGEND2_STATUS_DEFAULT;
1.182     nicm      712:                        if (where == BORDER)
1.183     nicm      713:                                key = KEYC_MOUSEDRAGEND2_BORDER;
1.182     nicm      714:                        break;
                    715:                case 3:
                    716:                        if (where == PANE)
1.183     nicm      717:                                key = KEYC_MOUSEDRAGEND3_PANE;
1.182     nicm      718:                        if (where == STATUS)
1.183     nicm      719:                                key = KEYC_MOUSEDRAGEND3_STATUS;
1.258     nicm      720:                        if (where == STATUS_LEFT)
                    721:                                key = KEYC_MOUSEDRAGEND3_STATUS_LEFT;
                    722:                        if (where == STATUS_RIGHT)
                    723:                                key = KEYC_MOUSEDRAGEND3_STATUS_RIGHT;
1.274     nicm      724:                        if (where == STATUS_DEFAULT)
                    725:                                key = KEYC_MOUSEDRAGEND3_STATUS_DEFAULT;
1.182     nicm      726:                        if (where == BORDER)
1.183     nicm      727:                                key = KEYC_MOUSEDRAGEND3_BORDER;
1.182     nicm      728:                        break;
                    729:                default:
                    730:                        key = KEYC_MOUSE;
                    731:                        break;
                    732:                }
1.131     nicm      733:                c->tty.mouse_drag_flag = 0;
1.305     nicm      734:                goto out;
1.131     nicm      735:        }
                    736:
                    737:        /* Convert to a key binding. */
1.177     nicm      738:        key = KEYC_UNKNOWN;
1.131     nicm      739:        switch (type) {
                    740:        case NOTYPE:
                    741:                break;
1.209     nicm      742:        case MOVE:
                    743:                if (where == PANE)
                    744:                        key = KEYC_MOUSEMOVE_PANE;
                    745:                if (where == STATUS)
                    746:                        key = KEYC_MOUSEMOVE_STATUS;
1.274     nicm      747:                if (where == STATUS_LEFT)
                    748:                        key = KEYC_MOUSEMOVE_STATUS_LEFT;
                    749:                if (where == STATUS_RIGHT)
                    750:                        key = KEYC_MOUSEMOVE_STATUS_RIGHT;
                    751:                if (where == STATUS_DEFAULT)
                    752:                        key = KEYC_MOUSEMOVE_STATUS_DEFAULT;
1.209     nicm      753:                if (where == BORDER)
                    754:                        key = KEYC_MOUSEMOVE_BORDER;
                    755:                break;
1.131     nicm      756:        case DRAG:
1.204     nicm      757:                if (c->tty.mouse_drag_update != NULL)
                    758:                        key = KEYC_DRAGGING;
                    759:                else {
1.131     nicm      760:                        switch (MOUSE_BUTTONS(b)) {
                    761:                        case 0:
                    762:                                if (where == PANE)
                    763:                                        key = KEYC_MOUSEDRAG1_PANE;
                    764:                                if (where == STATUS)
                    765:                                        key = KEYC_MOUSEDRAG1_STATUS;
1.258     nicm      766:                                if (where == STATUS_LEFT)
                    767:                                        key = KEYC_MOUSEDRAG1_STATUS_LEFT;
                    768:                                if (where == STATUS_RIGHT)
                    769:                                        key = KEYC_MOUSEDRAG1_STATUS_RIGHT;
1.274     nicm      770:                                if (where == STATUS_DEFAULT)
                    771:                                        key = KEYC_MOUSEDRAG1_STATUS_DEFAULT;
1.131     nicm      772:                                if (where == BORDER)
                    773:                                        key = KEYC_MOUSEDRAG1_BORDER;
                    774:                                break;
                    775:                        case 1:
                    776:                                if (where == PANE)
                    777:                                        key = KEYC_MOUSEDRAG2_PANE;
                    778:                                if (where == STATUS)
                    779:                                        key = KEYC_MOUSEDRAG2_STATUS;
1.258     nicm      780:                                if (where == STATUS_LEFT)
                    781:                                        key = KEYC_MOUSEDRAG2_STATUS_LEFT;
                    782:                                if (where == STATUS_RIGHT)
                    783:                                        key = KEYC_MOUSEDRAG2_STATUS_RIGHT;
1.274     nicm      784:                                if (where == STATUS_DEFAULT)
                    785:                                        key = KEYC_MOUSEDRAG2_STATUS_DEFAULT;
1.131     nicm      786:                                if (where == BORDER)
                    787:                                        key = KEYC_MOUSEDRAG2_BORDER;
                    788:                                break;
                    789:                        case 2:
                    790:                                if (where == PANE)
                    791:                                        key = KEYC_MOUSEDRAG3_PANE;
                    792:                                if (where == STATUS)
                    793:                                        key = KEYC_MOUSEDRAG3_STATUS;
1.258     nicm      794:                                if (where == STATUS_LEFT)
                    795:                                        key = KEYC_MOUSEDRAG3_STATUS_LEFT;
                    796:                                if (where == STATUS_RIGHT)
                    797:                                        key = KEYC_MOUSEDRAG3_STATUS_RIGHT;
1.274     nicm      798:                                if (where == STATUS_DEFAULT)
                    799:                                        key = KEYC_MOUSEDRAG3_STATUS_DEFAULT;
1.131     nicm      800:                                if (where == BORDER)
                    801:                                        key = KEYC_MOUSEDRAG3_BORDER;
                    802:                                break;
                    803:                        }
                    804:                }
1.66      nicm      805:
1.182     nicm      806:                /*
                    807:                 * Begin a drag by setting the flag to a non-zero value that
                    808:                 * corresponds to the mouse button in use.
                    809:                 */
                    810:                c->tty.mouse_drag_flag = MOUSE_BUTTONS(b) + 1;
1.131     nicm      811:                break;
                    812:        case WHEEL:
                    813:                if (MOUSE_BUTTONS(b) == MOUSE_WHEEL_UP) {
                    814:                        if (where == PANE)
                    815:                                key = KEYC_WHEELUP_PANE;
                    816:                        if (where == STATUS)
                    817:                                key = KEYC_WHEELUP_STATUS;
1.258     nicm      818:                        if (where == STATUS_LEFT)
                    819:                                key = KEYC_WHEELUP_STATUS_LEFT;
                    820:                        if (where == STATUS_RIGHT)
                    821:                                key = KEYC_WHEELUP_STATUS_RIGHT;
1.274     nicm      822:                        if (where == STATUS_DEFAULT)
                    823:                                key = KEYC_WHEELUP_STATUS_DEFAULT;
1.131     nicm      824:                        if (where == BORDER)
                    825:                                key = KEYC_WHEELUP_BORDER;
                    826:                } else {
                    827:                        if (where == PANE)
                    828:                                key = KEYC_WHEELDOWN_PANE;
                    829:                        if (where == STATUS)
                    830:                                key = KEYC_WHEELDOWN_STATUS;
1.274     nicm      831:                        if (where == STATUS_LEFT)
                    832:                                key = KEYC_WHEELDOWN_STATUS_LEFT;
                    833:                        if (where == STATUS_RIGHT)
                    834:                                key = KEYC_WHEELDOWN_STATUS_RIGHT;
                    835:                        if (where == STATUS_DEFAULT)
                    836:                                key = KEYC_WHEELDOWN_STATUS_DEFAULT;
1.131     nicm      837:                        if (where == BORDER)
                    838:                                key = KEYC_WHEELDOWN_BORDER;
                    839:                }
                    840:                break;
                    841:        case UP:
                    842:                switch (MOUSE_BUTTONS(b)) {
                    843:                case 0:
                    844:                        if (where == PANE)
                    845:                                key = KEYC_MOUSEUP1_PANE;
                    846:                        if (where == STATUS)
                    847:                                key = KEYC_MOUSEUP1_STATUS;
1.258     nicm      848:                        if (where == STATUS_LEFT)
                    849:                                key = KEYC_MOUSEUP1_STATUS_LEFT;
                    850:                        if (where == STATUS_RIGHT)
                    851:                                key = KEYC_MOUSEUP1_STATUS_RIGHT;
1.274     nicm      852:                        if (where == STATUS_DEFAULT)
                    853:                                key = KEYC_MOUSEUP1_STATUS_DEFAULT;
1.131     nicm      854:                        if (where == BORDER)
                    855:                                key = KEYC_MOUSEUP1_BORDER;
                    856:                        break;
                    857:                case 1:
                    858:                        if (where == PANE)
                    859:                                key = KEYC_MOUSEUP2_PANE;
                    860:                        if (where == STATUS)
                    861:                                key = KEYC_MOUSEUP2_STATUS;
1.258     nicm      862:                        if (where == STATUS_LEFT)
                    863:                                key = KEYC_MOUSEUP2_STATUS_LEFT;
                    864:                        if (where == STATUS_RIGHT)
                    865:                                key = KEYC_MOUSEUP2_STATUS_RIGHT;
1.274     nicm      866:                        if (where == STATUS_DEFAULT)
                    867:                                key = KEYC_MOUSEUP2_STATUS_DEFAULT;
1.131     nicm      868:                        if (where == BORDER)
                    869:                                key = KEYC_MOUSEUP2_BORDER;
                    870:                        break;
                    871:                case 2:
                    872:                        if (where == PANE)
                    873:                                key = KEYC_MOUSEUP3_PANE;
                    874:                        if (where == STATUS)
                    875:                                key = KEYC_MOUSEUP3_STATUS;
1.258     nicm      876:                        if (where == STATUS_LEFT)
                    877:                                key = KEYC_MOUSEUP3_STATUS_LEFT;
                    878:                        if (where == STATUS_RIGHT)
                    879:                                key = KEYC_MOUSEUP3_STATUS_RIGHT;
1.274     nicm      880:                        if (where == STATUS_DEFAULT)
                    881:                                key = KEYC_MOUSEUP3_STATUS_DEFAULT;
1.131     nicm      882:                        if (where == BORDER)
                    883:                                key = KEYC_MOUSEUP3_BORDER;
                    884:                        break;
                    885:                }
                    886:                break;
                    887:        case DOWN:
                    888:                switch (MOUSE_BUTTONS(b)) {
                    889:                case 0:
                    890:                        if (where == PANE)
                    891:                                key = KEYC_MOUSEDOWN1_PANE;
                    892:                        if (where == STATUS)
                    893:                                key = KEYC_MOUSEDOWN1_STATUS;
1.258     nicm      894:                        if (where == STATUS_LEFT)
                    895:                                key = KEYC_MOUSEDOWN1_STATUS_LEFT;
                    896:                        if (where == STATUS_RIGHT)
                    897:                                key = KEYC_MOUSEDOWN1_STATUS_RIGHT;
1.274     nicm      898:                        if (where == STATUS_DEFAULT)
                    899:                                key = KEYC_MOUSEDOWN1_STATUS_DEFAULT;
1.131     nicm      900:                        if (where == BORDER)
                    901:                                key = KEYC_MOUSEDOWN1_BORDER;
                    902:                        break;
                    903:                case 1:
                    904:                        if (where == PANE)
                    905:                                key = KEYC_MOUSEDOWN2_PANE;
                    906:                        if (where == STATUS)
                    907:                                key = KEYC_MOUSEDOWN2_STATUS;
1.258     nicm      908:                        if (where == STATUS_LEFT)
                    909:                                key = KEYC_MOUSEDOWN2_STATUS_LEFT;
                    910:                        if (where == STATUS_RIGHT)
                    911:                                key = KEYC_MOUSEDOWN2_STATUS_RIGHT;
1.274     nicm      912:                        if (where == STATUS_DEFAULT)
                    913:                                key = KEYC_MOUSEDOWN2_STATUS_DEFAULT;
1.131     nicm      914:                        if (where == BORDER)
                    915:                                key = KEYC_MOUSEDOWN2_BORDER;
                    916:                        break;
                    917:                case 2:
                    918:                        if (where == PANE)
                    919:                                key = KEYC_MOUSEDOWN3_PANE;
                    920:                        if (where == STATUS)
                    921:                                key = KEYC_MOUSEDOWN3_STATUS;
1.258     nicm      922:                        if (where == STATUS_LEFT)
                    923:                                key = KEYC_MOUSEDOWN3_STATUS_LEFT;
                    924:                        if (where == STATUS_RIGHT)
                    925:                                key = KEYC_MOUSEDOWN3_STATUS_RIGHT;
1.274     nicm      926:                        if (where == STATUS_DEFAULT)
                    927:                                key = KEYC_MOUSEDOWN3_STATUS_DEFAULT;
1.131     nicm      928:                        if (where == BORDER)
                    929:                                key = KEYC_MOUSEDOWN3_BORDER;
1.311     nicm      930:                        break;
                    931:                }
                    932:                break;
                    933:        case SECOND:
                    934:                switch (MOUSE_BUTTONS(b)) {
                    935:                case 0:
                    936:                        if (where == PANE)
                    937:                                key = KEYC_SECONDCLICK1_PANE;
                    938:                        if (where == STATUS)
                    939:                                key = KEYC_SECONDCLICK1_STATUS;
                    940:                        if (where == STATUS_LEFT)
                    941:                                key = KEYC_SECONDCLICK1_STATUS_LEFT;
                    942:                        if (where == STATUS_RIGHT)
                    943:                                key = KEYC_SECONDCLICK1_STATUS_RIGHT;
                    944:                        if (where == STATUS_DEFAULT)
                    945:                                key = KEYC_SECONDCLICK1_STATUS_DEFAULT;
                    946:                        if (where == BORDER)
                    947:                                key = KEYC_SECONDCLICK1_BORDER;
                    948:                        break;
                    949:                case 1:
                    950:                        if (where == PANE)
                    951:                                key = KEYC_SECONDCLICK2_PANE;
                    952:                        if (where == STATUS)
                    953:                                key = KEYC_SECONDCLICK2_STATUS;
                    954:                        if (where == STATUS_LEFT)
                    955:                                key = KEYC_SECONDCLICK2_STATUS_LEFT;
                    956:                        if (where == STATUS_RIGHT)
                    957:                                key = KEYC_SECONDCLICK2_STATUS_RIGHT;
                    958:                        if (where == STATUS_DEFAULT)
                    959:                                key = KEYC_SECONDCLICK2_STATUS_DEFAULT;
                    960:                        if (where == BORDER)
                    961:                                key = KEYC_SECONDCLICK2_BORDER;
                    962:                        break;
                    963:                case 2:
                    964:                        if (where == PANE)
                    965:                                key = KEYC_SECONDCLICK3_PANE;
                    966:                        if (where == STATUS)
                    967:                                key = KEYC_SECONDCLICK3_STATUS;
                    968:                        if (where == STATUS_LEFT)
                    969:                                key = KEYC_SECONDCLICK3_STATUS_LEFT;
                    970:                        if (where == STATUS_RIGHT)
                    971:                                key = KEYC_SECONDCLICK3_STATUS_RIGHT;
                    972:                        if (where == STATUS_DEFAULT)
                    973:                                key = KEYC_SECONDCLICK3_STATUS_DEFAULT;
                    974:                        if (where == BORDER)
                    975:                                key = KEYC_SECONDCLICK3_BORDER;
1.131     nicm      976:                        break;
1.66      nicm      977:                }
1.131     nicm      978:                break;
1.192     nicm      979:        case DOUBLE:
                    980:                switch (MOUSE_BUTTONS(b)) {
                    981:                case 0:
                    982:                        if (where == PANE)
                    983:                                key = KEYC_DOUBLECLICK1_PANE;
                    984:                        if (where == STATUS)
                    985:                                key = KEYC_DOUBLECLICK1_STATUS;
1.258     nicm      986:                        if (where == STATUS_LEFT)
                    987:                                key = KEYC_DOUBLECLICK1_STATUS_LEFT;
                    988:                        if (where == STATUS_RIGHT)
                    989:                                key = KEYC_DOUBLECLICK1_STATUS_RIGHT;
1.274     nicm      990:                        if (where == STATUS_DEFAULT)
                    991:                                key = KEYC_DOUBLECLICK1_STATUS_DEFAULT;
1.192     nicm      992:                        if (where == BORDER)
                    993:                                key = KEYC_DOUBLECLICK1_BORDER;
                    994:                        break;
                    995:                case 1:
                    996:                        if (where == PANE)
                    997:                                key = KEYC_DOUBLECLICK2_PANE;
                    998:                        if (where == STATUS)
                    999:                                key = KEYC_DOUBLECLICK2_STATUS;
1.258     nicm     1000:                        if (where == STATUS_LEFT)
                   1001:                                key = KEYC_DOUBLECLICK2_STATUS_LEFT;
                   1002:                        if (where == STATUS_RIGHT)
                   1003:                                key = KEYC_DOUBLECLICK2_STATUS_RIGHT;
1.274     nicm     1004:                        if (where == STATUS_DEFAULT)
                   1005:                                key = KEYC_DOUBLECLICK2_STATUS_DEFAULT;
1.192     nicm     1006:                        if (where == BORDER)
                   1007:                                key = KEYC_DOUBLECLICK2_BORDER;
                   1008:                        break;
                   1009:                case 2:
                   1010:                        if (where == PANE)
                   1011:                                key = KEYC_DOUBLECLICK3_PANE;
                   1012:                        if (where == STATUS)
                   1013:                                key = KEYC_DOUBLECLICK3_STATUS;
1.258     nicm     1014:                        if (where == STATUS_LEFT)
                   1015:                                key = KEYC_DOUBLECLICK3_STATUS_LEFT;
                   1016:                        if (where == STATUS_RIGHT)
                   1017:                                key = KEYC_DOUBLECLICK3_STATUS_RIGHT;
1.274     nicm     1018:                        if (where == STATUS_DEFAULT)
                   1019:                                key = KEYC_DOUBLECLICK3_STATUS_DEFAULT;
1.192     nicm     1020:                        if (where == BORDER)
                   1021:                                key = KEYC_DOUBLECLICK3_BORDER;
                   1022:                        break;
                   1023:                }
                   1024:                break;
                   1025:        case TRIPLE:
                   1026:                switch (MOUSE_BUTTONS(b)) {
                   1027:                case 0:
                   1028:                        if (where == PANE)
                   1029:                                key = KEYC_TRIPLECLICK1_PANE;
                   1030:                        if (where == STATUS)
                   1031:                                key = KEYC_TRIPLECLICK1_STATUS;
1.258     nicm     1032:                        if (where == STATUS_LEFT)
                   1033:                                key = KEYC_TRIPLECLICK1_STATUS_LEFT;
                   1034:                        if (where == STATUS_RIGHT)
                   1035:                                key = KEYC_TRIPLECLICK1_STATUS_RIGHT;
1.274     nicm     1036:                        if (where == STATUS_DEFAULT)
                   1037:                                key = KEYC_TRIPLECLICK1_STATUS_DEFAULT;
1.192     nicm     1038:                        if (where == BORDER)
                   1039:                                key = KEYC_TRIPLECLICK1_BORDER;
                   1040:                        break;
                   1041:                case 1:
                   1042:                        if (where == PANE)
                   1043:                                key = KEYC_TRIPLECLICK2_PANE;
                   1044:                        if (where == STATUS)
                   1045:                                key = KEYC_TRIPLECLICK2_STATUS;
1.258     nicm     1046:                        if (where == STATUS_LEFT)
                   1047:                                key = KEYC_TRIPLECLICK2_STATUS_LEFT;
                   1048:                        if (where == STATUS_RIGHT)
                   1049:                                key = KEYC_TRIPLECLICK2_STATUS_RIGHT;
1.274     nicm     1050:                        if (where == STATUS_DEFAULT)
                   1051:                                key = KEYC_TRIPLECLICK2_STATUS_DEFAULT;
1.192     nicm     1052:                        if (where == BORDER)
                   1053:                                key = KEYC_TRIPLECLICK2_BORDER;
                   1054:                        break;
                   1055:                case 2:
                   1056:                        if (where == PANE)
                   1057:                                key = KEYC_TRIPLECLICK3_PANE;
                   1058:                        if (where == STATUS)
                   1059:                                key = KEYC_TRIPLECLICK3_STATUS;
1.258     nicm     1060:                        if (where == STATUS_LEFT)
                   1061:                                key = KEYC_TRIPLECLICK3_STATUS_LEFT;
                   1062:                        if (where == STATUS_RIGHT)
                   1063:                                key = KEYC_TRIPLECLICK3_STATUS_RIGHT;
1.274     nicm     1064:                        if (where == STATUS_DEFAULT)
                   1065:                                key = KEYC_TRIPLECLICK3_STATUS_DEFAULT;
1.192     nicm     1066:                        if (where == BORDER)
                   1067:                                key = KEYC_TRIPLECLICK3_BORDER;
                   1068:                        break;
                   1069:                }
                   1070:                break;
1.66      nicm     1071:        }
1.177     nicm     1072:        if (key == KEYC_UNKNOWN)
                   1073:                return (KEYC_UNKNOWN);
1.66      nicm     1074:
1.305     nicm     1075: out:
1.131     nicm     1076:        /* Apply modifiers if any. */
                   1077:        if (b & MOUSE_MASK_META)
1.342     nicm     1078:                key |= KEYC_META;
1.131     nicm     1079:        if (b & MOUSE_MASK_CTRL)
                   1080:                key |= KEYC_CTRL;
                   1081:        if (b & MOUSE_MASK_SHIFT)
                   1082:                key |= KEYC_SHIFT;
1.66      nicm     1083:
1.305     nicm     1084:        if (log_get_level() != 0)
1.343     nicm     1085:                log_debug("mouse key is %s", key_string_lookup_key (key, 1));
1.131     nicm     1086:        return (key);
1.66      nicm     1087: }
                   1088:
1.82      nicm     1089: /* Is this fast enough to probably be a paste? */
1.190     nicm     1090: static int
1.82      nicm     1091: server_client_assume_paste(struct session *s)
                   1092: {
                   1093:        struct timeval  tv;
1.84      nicm     1094:        int             t;
1.82      nicm     1095:
1.163     nicm     1096:        if ((t = options_get_number(s->options, "assume-paste-time")) == 0)
1.83      nicm     1097:                return (0);
1.82      nicm     1098:
                   1099:        timersub(&s->activity_time, &s->last_activity_time, &tv);
1.171     nicm     1100:        if (tv.tv_sec == 0 && tv.tv_usec < t * 1000) {
                   1101:                log_debug("session %s pasting (flag %d)", s->name,
                   1102:                    !!(s->flags & SESSION_PASTING));
                   1103:                if (s->flags & SESSION_PASTING)
                   1104:                        return (1);
                   1105:                s->flags |= SESSION_PASTING;
                   1106:                return (0);
                   1107:        }
                   1108:        log_debug("session %s not pasting", s->name);
                   1109:        s->flags &= ~SESSION_PASTING;
1.83      nicm     1110:        return (0);
1.82      nicm     1111: }
                   1112:
1.295     nicm     1113: /* Has the latest client changed? */
                   1114: static void
                   1115: server_client_update_latest(struct client *c)
                   1116: {
                   1117:        struct window   *w;
                   1118:
                   1119:        if (c->session == NULL)
                   1120:                return;
                   1121:        w = c->session->curw->window;
                   1122:
                   1123:        if (w->latest == c)
                   1124:                return;
                   1125:        w->latest = c;
                   1126:
                   1127:        if (options_get_number(w->options, "window-size") == WINDOW_SIZE_LATEST)
1.355     nicm     1128:                recalculate_size(w, 0);
1.295     nicm     1129: }
                   1130:
1.276     nicm     1131: /*
                   1132:  * Handle data key input from client. This owns and can modify the key event it
                   1133:  * is given and is responsible for freeing it.
                   1134:  */
1.280     nicm     1135: static enum cmd_retval
1.276     nicm     1136: server_client_key_callback(struct cmdq_item *item, void *data)
1.18      nicm     1137: {
1.316     nicm     1138:        struct client                   *c = cmdq_get_client(item);
1.276     nicm     1139:        struct key_event                *event = data;
                   1140:        key_code                         key = event->key;
                   1141:        struct mouse_event              *m = &event->m;
1.267     nicm     1142:        struct session                  *s = c->session;
                   1143:        struct winlink                  *wl;
                   1144:        struct window_pane              *wp;
                   1145:        struct window_mode_entry        *wme;
                   1146:        struct timeval                   tv;
                   1147:        struct key_table                *table, *first;
                   1148:        struct key_binding              *bd;
                   1149:        int                              xtimeout, flags;
                   1150:        struct cmd_find_state            fs;
                   1151:        key_code                         key0;
1.18      nicm     1152:
                   1153:        /* Check the client is good to accept input. */
1.303     nicm     1154:        if (s == NULL || (c->flags & CLIENT_UNATTACHEDFLAGS))
1.276     nicm     1155:                goto out;
1.264     nicm     1156:        wl = s->curw;
1.18      nicm     1157:
                   1158:        /* Update the activity timer. */
                   1159:        if (gettimeofday(&c->activity_time, NULL) != 0)
                   1160:                fatal("gettimeofday failed");
1.149     nicm     1161:        session_update_activity(s, &c->activity_time);
1.18      nicm     1162:
                   1163:        /* Check for mouse keys. */
1.204     nicm     1164:        m->valid = 0;
1.306     nicm     1165:        if (key == KEYC_MOUSE || key == KEYC_DOUBLECLICK) {
1.30      nicm     1166:                if (c->flags & CLIENT_READONLY)
1.276     nicm     1167:                        goto out;
                   1168:                key = server_client_check_mouse(c, event);
1.177     nicm     1169:                if (key == KEYC_UNKNOWN)
1.276     nicm     1170:                        goto out;
1.131     nicm     1171:
                   1172:                m->valid = 1;
                   1173:                m->key = key;
1.203     nicm     1174:
                   1175:                /*
1.204     nicm     1176:                 * Mouse drag is in progress, so fire the callback (now that
                   1177:                 * the mouse event is valid).
1.203     nicm     1178:                 */
1.305     nicm     1179:                if ((key & KEYC_MASK_KEY) == KEYC_DRAGGING) {
1.204     nicm     1180:                        c->tty.mouse_drag_update(c, m);
1.276     nicm     1181:                        goto out;
1.204     nicm     1182:                }
1.338     nicm     1183:                event->key = key;
1.276     nicm     1184:        }
1.18      nicm     1185:
1.202     nicm     1186:        /* Find affected pane. */
1.243     nicm     1187:        if (!KEYC_IS_MOUSE(key) || cmd_find_from_mouse(&fs, m, 0) != 0)
1.341     nicm     1188:                cmd_find_from_client(&fs, c, 0);
1.227     nicm     1189:        wp = fs.wp;
1.202     nicm     1190:
                   1191:        /* Forward mouse keys if disabled. */
1.206     nicm     1192:        if (KEYC_IS_MOUSE(key) && !options_get_number(s->options, "mouse"))
1.253     nicm     1193:                goto forward_key;
1.202     nicm     1194:
1.132     nicm     1195:        /* Treat everything as a regular key when pasting is detected. */
1.161     nicm     1196:        if (!KEYC_IS_MOUSE(key) && server_client_assume_paste(s))
1.253     nicm     1197:                goto forward_key;
1.18      nicm     1198:
1.191     nicm     1199:        /*
                   1200:         * Work out the current key table. If the pane is in a mode, use
                   1201:         * the mode table instead of the default key table.
                   1202:         */
1.223     nicm     1203:        if (server_client_is_default_key_table(c, c->keytable) &&
                   1204:            wp != NULL &&
1.267     nicm     1205:            (wme = TAILQ_FIRST(&wp->modes)) != NULL &&
                   1206:            wme->mode->key_table != NULL)
                   1207:                table = key_bindings_get_table(wme->mode->key_table(wme), 1);
1.223     nicm     1208:        else
1.191     nicm     1209:                table = c->keytable;
1.223     nicm     1210:        first = table;
1.191     nicm     1211:
1.253     nicm     1212: table_changed:
1.205     nicm     1213:        /*
                   1214:         * The prefix always takes precedence and forces a switch to the prefix
                   1215:         * table, unless we are already there.
                   1216:         */
1.343     nicm     1217:        key0 = (key & (KEYC_MASK_KEY|KEYC_MASK_MODIFIERS));
1.239     nicm     1218:        if ((key0 == (key_code)options_get_number(s->options, "prefix") ||
                   1219:            key0 == (key_code)options_get_number(s->options, "prefix2")) &&
1.205     nicm     1220:            strcmp(table->name, "prefix") != 0) {
                   1221:                server_client_set_key_table(c, "prefix");
                   1222:                server_status_client(c);
1.276     nicm     1223:                goto out;
1.205     nicm     1224:        }
1.238     nicm     1225:        flags = c->flags;
1.205     nicm     1226:
1.262     nicm     1227: try_again:
1.223     nicm     1228:        /* Log key table. */
                   1229:        if (wp == NULL)
                   1230:                log_debug("key table %s (no pane)", table->name);
                   1231:        else
                   1232:                log_debug("key table %s (pane %%%u)", table->name, wp->id);
1.225     nicm     1233:        if (c->flags & CLIENT_REPEAT)
                   1234:                log_debug("currently repeating");
1.223     nicm     1235:
1.132     nicm     1236:        /* Try to see if there is a key binding in the current table. */
1.254     nicm     1237:        bd = key_bindings_get(table, key0);
1.132     nicm     1238:        if (bd != NULL) {
                   1239:                /*
                   1240:                 * Key was matched in this table. If currently repeating but a
                   1241:                 * non-repeating binding was found, stop repeating and try
                   1242:                 * again in the root table.
                   1243:                 */
1.222     nicm     1244:                if ((c->flags & CLIENT_REPEAT) &&
                   1245:                    (~bd->flags & KEY_BINDING_REPEAT)) {
1.262     nicm     1246:                        log_debug("found in key table %s (not repeating)",
                   1247:                            table->name);
1.178     nicm     1248:                        server_client_set_key_table(c, NULL);
1.262     nicm     1249:                        first = table = c->keytable;
1.132     nicm     1250:                        c->flags &= ~CLIENT_REPEAT;
1.85      nicm     1251:                        server_status_client(c);
1.253     nicm     1252:                        goto table_changed;
1.18      nicm     1253:                }
1.223     nicm     1254:                log_debug("found in key table %s", table->name);
1.82      nicm     1255:
1.132     nicm     1256:                /*
                   1257:                 * Take a reference to this table to make sure the key binding
                   1258:                 * doesn't disappear.
                   1259:                 */
                   1260:                table->references++;
                   1261:
                   1262:                /*
                   1263:                 * If this is a repeating key, start the timer. Otherwise reset
                   1264:                 * the client back to the root table.
                   1265:                 */
1.163     nicm     1266:                xtimeout = options_get_number(s->options, "repeat-time");
1.222     nicm     1267:                if (xtimeout != 0 && (bd->flags & KEY_BINDING_REPEAT)) {
1.132     nicm     1268:                        c->flags |= CLIENT_REPEAT;
                   1269:
                   1270:                        tv.tv_sec = xtimeout / 1000;
                   1271:                        tv.tv_usec = (xtimeout % 1000) * 1000L;
                   1272:                        evtimer_del(&c->repeat_timer);
                   1273:                        evtimer_add(&c->repeat_timer, &tv);
                   1274:                } else {
1.18      nicm     1275:                        c->flags &= ~CLIENT_REPEAT;
1.178     nicm     1276:                        server_client_set_key_table(c, NULL);
1.18      nicm     1277:                }
1.132     nicm     1278:                server_status_client(c);
                   1279:
1.227     nicm     1280:                /* Execute the key binding. */
1.317     nicm     1281:                key_bindings_dispatch(bd, item, c, event, &fs);
1.132     nicm     1282:                key_bindings_unref_table(table);
1.276     nicm     1283:                goto out;
1.18      nicm     1284:        }
                   1285:
1.132     nicm     1286:        /*
1.253     nicm     1287:         * No match, try the ANY key.
                   1288:         */
                   1289:        if (key0 != KEYC_ANY) {
                   1290:                key0 = KEYC_ANY;
                   1291:                goto try_again;
                   1292:        }
                   1293:
                   1294:        /*
1.223     nicm     1295:         * No match in this table. If not in the root table or if repeating,
                   1296:         * switch the client back to the root table and try again.
1.132     nicm     1297:         */
1.223     nicm     1298:        log_debug("not found in key table %s", table->name);
                   1299:        if (!server_client_is_default_key_table(c, table) ||
                   1300:            (c->flags & CLIENT_REPEAT)) {
1.262     nicm     1301:                log_debug("trying in root table");
1.178     nicm     1302:                server_client_set_key_table(c, NULL);
1.262     nicm     1303:                table = c->keytable;
                   1304:                if (c->flags & CLIENT_REPEAT)
                   1305:                        first = table;
1.18      nicm     1306:                c->flags &= ~CLIENT_REPEAT;
1.132     nicm     1307:                server_status_client(c);
1.253     nicm     1308:                goto table_changed;
1.18      nicm     1309:        }
                   1310:
1.223     nicm     1311:        /*
                   1312:         * No match in the root table either. If this wasn't the first table
                   1313:         * tried, don't pass the key to the pane.
                   1314:         */
1.238     nicm     1315:        if (first != table && (~flags & CLIENT_REPEAT)) {
1.178     nicm     1316:                server_client_set_key_table(c, NULL);
1.132     nicm     1317:                server_status_client(c);
1.276     nicm     1318:                goto out;
1.161     nicm     1319:        }
                   1320:
1.253     nicm     1321: forward_key:
1.161     nicm     1322:        if (c->flags & CLIENT_READONLY)
1.276     nicm     1323:                goto out;
1.161     nicm     1324:        if (wp != NULL)
1.264     nicm     1325:                window_pane_key(wp, c, s, wl, key, m);
1.276     nicm     1326:
                   1327: out:
1.347     nicm     1328:        if (s != NULL && key != KEYC_FOCUS_OUT)
1.295     nicm     1329:                server_client_update_latest(c);
1.276     nicm     1330:        free(event);
                   1331:        return (CMD_RETURN_NORMAL);
1.280     nicm     1332: }
                   1333:
                   1334: /* Handle a key event. */
                   1335: int
                   1336: server_client_handle_key(struct client *c, struct key_event *event)
                   1337: {
                   1338:        struct session          *s = c->session;
                   1339:        struct cmdq_item        *item;
                   1340:
                   1341:        /* Check the client is good to accept input. */
1.303     nicm     1342:        if (s == NULL || (c->flags & CLIENT_UNATTACHEDFLAGS))
1.280     nicm     1343:                return (0);
                   1344:
                   1345:        /*
1.291     nicm     1346:         * Key presses in overlay mode and the command prompt are a special
                   1347:         * case. The queue might be blocked so they need to be processed
                   1348:         * immediately rather than queued.
1.280     nicm     1349:         */
1.291     nicm     1350:        if (~c->flags & CLIENT_READONLY) {
1.372     nicm     1351:                if (c->message_string != NULL) {
                   1352:                        if (c->message_ignore_keys)
                   1353:                                return (0);
                   1354:                        status_message_clear(c);
                   1355:                }
1.291     nicm     1356:                if (c->overlay_key != NULL) {
                   1357:                        switch (c->overlay_key(c, event)) {
                   1358:                        case 0:
                   1359:                                return (0);
                   1360:                        case 1:
                   1361:                                server_client_clear_overlay(c);
                   1362:                                return (0);
                   1363:                        }
1.290     nicm     1364:                }
1.293     nicm     1365:                server_client_clear_overlay(c);
1.335     nicm     1366:                if (c->prompt_string != NULL) {
                   1367:                        if (status_prompt_key(c, event->key) == 0)
                   1368:                                return (0);
                   1369:                }
1.280     nicm     1370:        }
                   1371:
                   1372:        /*
                   1373:         * Add the key to the queue so it happens after any commands queued by
                   1374:         * previous keys.
                   1375:         */
                   1376:        item = cmdq_get_callback(server_client_key_callback, event);
                   1377:        cmdq_append(c, item);
                   1378:        return (1);
1.18      nicm     1379: }
                   1380:
1.2       nicm     1381: /* Client functions that need to happen every loop. */
                   1382: void
                   1383: server_client_loop(void)
                   1384: {
                   1385:        struct client           *c;
                   1386:        struct window           *w;
                   1387:        struct window_pane      *wp;
1.344     nicm     1388:        int                      focus;
                   1389:
                   1390:        /* Check for window resize. This is done before redrawing. */
                   1391:        RB_FOREACH(w, windows, &windows)
                   1392:                server_client_check_window_resize(w);
1.2       nicm     1393:
1.344     nicm     1394:        /* Check clients. */
1.135     nicm     1395:        TAILQ_FOREACH(c, &clients, entry) {
1.36      nicm     1396:                server_client_check_exit(c);
                   1397:                if (c->session != NULL) {
1.366     nicm     1398:                        server_client_check_modes(c);
1.36      nicm     1399:                        server_client_check_redraw(c);
                   1400:                        server_client_reset_state(c);
                   1401:                }
1.2       nicm     1402:        }
                   1403:
                   1404:        /*
                   1405:         * Any windows will have been redrawn as part of clients, so clear
1.92      nicm     1406:         * their flags now. Also check pane focus and resize.
1.2       nicm     1407:         */
1.197     nicm     1408:        focus = options_get_number(global_options, "focus-events");
1.134     nicm     1409:        RB_FOREACH(w, windows, &windows) {
1.91      nicm     1410:                TAILQ_FOREACH(wp, &w->panes, entry) {
1.289     nicm     1411:                        if (wp->fd != -1) {
1.197     nicm     1412:                                if (focus)
1.344     nicm     1413:                                        server_client_check_pane_focus(wp);
                   1414:                                server_client_check_pane_resize(wp);
1.345     nicm     1415:                                server_client_check_pane_buffer(wp);
1.101     nicm     1416:                        }
1.326     nicm     1417:                        wp->flags &= ~PANE_REDRAW;
1.91      nicm     1418:                }
1.150     nicm     1419:                check_window_name(w);
1.2       nicm     1420:        }
1.92      nicm     1421: }
                   1422:
1.344     nicm     1423: /* Check if window needs to be resized. */
                   1424: static void
                   1425: server_client_check_window_resize(struct window *w)
                   1426: {
                   1427:        struct winlink  *wl;
                   1428:
                   1429:        if (~w->flags & WINDOW_RESIZE)
                   1430:                return;
                   1431:
                   1432:        TAILQ_FOREACH(wl, &w->winlinks, wentry) {
                   1433:                if (wl->session->attached != 0 && wl->session->curw == wl)
                   1434:                        break;
                   1435:        }
                   1436:        if (wl == NULL)
                   1437:                return;
                   1438:
                   1439:        log_debug("%s: resizing window @%u", __func__, w->id);
                   1440:        resize_window(w, w->new_sx, w->new_sy, w->new_xpixel, w->new_ypixel);
                   1441: }
                   1442:
1.356     nicm     1443: /* Resize timer event. */
1.188     nicm     1444: static void
1.356     nicm     1445: server_client_resize_timer(__unused int fd, __unused short events, void *data)
1.92      nicm     1446: {
1.356     nicm     1447:        struct window_pane      *wp = data;
1.92      nicm     1448:
1.356     nicm     1449:        log_debug("%s: %%%u resize timer expired", __func__, wp->id);
                   1450:        evtimer_del(&wp->resize_timer);
1.188     nicm     1451: }
                   1452:
1.374     nicm     1453: /* Check if pane should be resized. */
1.294     nicm     1454: static void
1.374     nicm     1455: server_client_check_pane_resize(struct window_pane *wp)
1.294     nicm     1456: {
1.374     nicm     1457:        struct window_pane_resize       *r;
                   1458:        struct window_pane_resize       *r1;
                   1459:        struct window_pane_resize       *first;
                   1460:        struct window_pane_resize       *last;
                   1461:        struct timeval                   tv = { .tv_usec = 250000 };
1.294     nicm     1462:
1.374     nicm     1463:        if (TAILQ_EMPTY(&wp->resize_queue))
                   1464:                return;
1.294     nicm     1465:
1.356     nicm     1466:        if (!event_initialized(&wp->resize_timer))
                   1467:                evtimer_set(&wp->resize_timer, server_client_resize_timer, wp);
1.374     nicm     1468:        if (evtimer_pending(&wp->resize_timer, NULL))
                   1469:                return;
1.356     nicm     1470:
                   1471:        log_debug("%s: %%%u needs to be resized", __func__, wp->id);
1.374     nicm     1472:        TAILQ_FOREACH(r, &wp->resize_queue, entry) {
                   1473:                log_debug("queued resize: %ux%u -> %ux%u", r->osx, r->osy,
                   1474:                    r->sx, r->sy);
1.356     nicm     1475:        }
1.188     nicm     1476:
1.374     nicm     1477:        /*
                   1478:         * There are three cases that matter:
                   1479:         *
                   1480:         * - Only one resize. It can just be applied.
                   1481:         *
                   1482:         * - Multiple resizes and the ending size is different from the
                   1483:         *   starting size. We can discard all resizes except the most recent.
                   1484:         *
                   1485:         * - Multiple resizes and the ending size is the same as the starting
                   1486:         *   size. We must resize at least twice to force the application to
                   1487:         *   redraw. So apply the first and leave the last on the queue for
                   1488:         *   next time.
                   1489:         */
                   1490:        first = TAILQ_FIRST(&wp->resize_queue);
                   1491:        last = TAILQ_LAST(&wp->resize_queue, window_pane_resizes);
                   1492:        if (first == last) {
                   1493:                /* Only one resize. */
                   1494:                window_pane_send_resize(wp, first->sx, first->sy);
                   1495:                TAILQ_REMOVE(&wp->resize_queue, first, entry);
                   1496:                free(first);
                   1497:        } else if (last->sx != first->osx || last->sy != first->osy) {
                   1498:                /* Multiple resizes ending up with a different size. */
                   1499:                window_pane_send_resize(wp, last->sx, last->sy);
                   1500:                TAILQ_FOREACH_SAFE(r, &wp->resize_queue, entry, r1) {
                   1501:                        TAILQ_REMOVE(&wp->resize_queue, r, entry);
                   1502:                        free(r);
                   1503:                }
1.356     nicm     1504:        } else {
                   1505:                /*
1.374     nicm     1506:                 * Multiple resizes ending up with the same size. There will
                   1507:                 * not be more than one to the same size in succession so we
                   1508:                 * can just use the last-but-one on the list and leave the last
                   1509:                 * for later. We reduce the time until the next check to avoid
                   1510:                 * a long delay between the resizes.
1.356     nicm     1511:                 */
1.374     nicm     1512:                r = TAILQ_PREV(last, window_pane_resizes, entry);
                   1513:                window_pane_send_resize(wp, r->sx, r->sy);
                   1514:                TAILQ_FOREACH_SAFE(r, &wp->resize_queue, entry, r1) {
                   1515:                        if (r == last)
                   1516:                                break;
                   1517:                        TAILQ_REMOVE(&wp->resize_queue, r, entry);
                   1518:                        free(r);
1.356     nicm     1519:                }
1.374     nicm     1520:                tv.tv_usec = 10000;
1.356     nicm     1521:        }
1.374     nicm     1522:        evtimer_add(&wp->resize_timer, &tv);
1.345     nicm     1523: }
1.374     nicm     1524:
1.345     nicm     1525:
                   1526: /* Check pane buffer size. */
                   1527: static void
                   1528: server_client_check_pane_buffer(struct window_pane *wp)
                   1529: {
                   1530:        struct evbuffer                 *evb = wp->event->input;
                   1531:        size_t                           minimum;
                   1532:        struct client                   *c;
1.346     nicm     1533:        struct window_pane_offset       *wpo;
                   1534:        int                              off = 1, flag;
                   1535:        u_int                            attached_clients = 0;
1.353     nicm     1536:        size_t                           new_size;
1.345     nicm     1537:
                   1538:        /*
1.352     nicm     1539:         * Work out the minimum used size. This is the most that can be removed
                   1540:         * from the buffer.
1.345     nicm     1541:         */
1.352     nicm     1542:        minimum = wp->offset.used;
                   1543:        if (wp->pipe_fd != -1 && wp->pipe_offset.used < minimum)
                   1544:                minimum = wp->pipe_offset.used;
1.345     nicm     1545:        TAILQ_FOREACH(c, &clients, entry) {
                   1546:                if (c->session == NULL)
                   1547:                        continue;
1.346     nicm     1548:                attached_clients++;
                   1549:
                   1550:                if (~c->flags & CLIENT_CONTROL) {
1.345     nicm     1551:                        off = 0;
                   1552:                        continue;
                   1553:                }
1.346     nicm     1554:                wpo = control_pane_offset(c, wp, &flag);
                   1555:                if (wpo == NULL) {
1.345     nicm     1556:                        off = 0;
1.346     nicm     1557:                        continue;
                   1558:                }
                   1559:                if (!flag)
                   1560:                        off = 0;
                   1561:
1.353     nicm     1562:                window_pane_get_new_data(wp, wpo, &new_size);
                   1563:                log_debug("%s: %s has %zu bytes used and %zu left for %%%u",
                   1564:                    __func__, c->name, wpo->used - wp->base_offset, new_size,
                   1565:                    wp->id);
                   1566:                if (wpo->used < minimum)
1.352     nicm     1567:                        minimum = wpo->used;
1.345     nicm     1568:        }
1.346     nicm     1569:        if (attached_clients == 0)
                   1570:                off = 0;
1.345     nicm     1571:        minimum -= wp->base_offset;
                   1572:        if (minimum == 0)
                   1573:                goto out;
                   1574:
                   1575:        /* Drain the buffer. */
1.352     nicm     1576:        log_debug("%s: %%%u has %zu minimum (of %zu) bytes used", __func__,
                   1577:            wp->id, minimum, EVBUFFER_LENGTH(evb));
1.345     nicm     1578:        evbuffer_drain(evb, minimum);
                   1579:
                   1580:        /*
                   1581:         * Adjust the base offset. If it would roll over, all the offsets into
                   1582:         * the buffer need to be adjusted.
                   1583:         */
                   1584:        if (wp->base_offset > SIZE_MAX - minimum) {
                   1585:                log_debug("%s: %%%u base offset has wrapped", __func__, wp->id);
                   1586:                wp->offset.used -= wp->base_offset;
1.352     nicm     1587:                if (wp->pipe_fd != -1)
1.345     nicm     1588:                        wp->pipe_offset.used -= wp->base_offset;
                   1589:                TAILQ_FOREACH(c, &clients, entry) {
                   1590:                        if (c->session == NULL || (~c->flags & CLIENT_CONTROL))
                   1591:                                continue;
1.346     nicm     1592:                        wpo = control_pane_offset(c, wp, &flag);
1.352     nicm     1593:                        if (wpo != NULL && !flag)
1.346     nicm     1594:                                wpo->used -= wp->base_offset;
1.345     nicm     1595:                }
                   1596:                wp->base_offset = minimum;
                   1597:        } else
                   1598:                wp->base_offset += minimum;
                   1599:
                   1600: out:
                   1601:        /*
                   1602:         * If there is data remaining, and there are no clients able to consume
1.351     nicm     1603:         * it, do not read any more. This is true when there are attached
                   1604:         * clients, all of which are control clients which are not able to
                   1605:         * accept any more data.
1.345     nicm     1606:         */
1.352     nicm     1607:        log_debug("%s: pane %%%u is %s", __func__, wp->id, off ? "off" : "on");
1.345     nicm     1608:        if (off)
                   1609:                bufferevent_disable(wp->event, EV_READ);
                   1610:        else
                   1611:                bufferevent_enable(wp->event, EV_READ);
1.91      nicm     1612: }
                   1613:
                   1614: /* Check whether pane should be focused. */
1.190     nicm     1615: static void
1.344     nicm     1616: server_client_check_pane_focus(struct window_pane *wp)
1.91      nicm     1617: {
1.93      nicm     1618:        struct client   *c;
1.102     nicm     1619:        int              push;
                   1620:
                   1621:        /* Do we need to push the focus state? */
                   1622:        push = wp->flags & PANE_FOCUSPUSH;
                   1623:        wp->flags &= ~PANE_FOCUSPUSH;
1.91      nicm     1624:
                   1625:        /* If we're not the active pane in our window, we're not focused. */
                   1626:        if (wp->window->active != wp)
                   1627:                goto not_focused;
                   1628:
                   1629:        /*
1.93      nicm     1630:         * If our window is the current window in any focused clients with an
                   1631:         * attached session, we're focused.
1.91      nicm     1632:         */
1.135     nicm     1633:        TAILQ_FOREACH(c, &clients, entry) {
                   1634:                if (c->session == NULL || !(c->flags & CLIENT_FOCUSED))
1.91      nicm     1635:                        continue;
1.255     nicm     1636:                if (c->session->attached == 0)
1.93      nicm     1637:                        continue;
                   1638:
                   1639:                if (c->session->curw->window == wp->window)
1.91      nicm     1640:                        goto focused;
                   1641:        }
                   1642:
                   1643: not_focused:
1.251     nicm     1644:        if (push || (wp->flags & PANE_FOCUSED)) {
                   1645:                if (wp->base.mode & MODE_FOCUSON)
                   1646:                        bufferevent_write(wp->event, "\033[O", 3);
                   1647:                notify_pane("pane-focus-out", wp);
                   1648:        }
1.91      nicm     1649:        wp->flags &= ~PANE_FOCUSED;
                   1650:        return;
                   1651:
                   1652: focused:
1.251     nicm     1653:        if (push || !(wp->flags & PANE_FOCUSED)) {
                   1654:                if (wp->base.mode & MODE_FOCUSON)
                   1655:                        bufferevent_write(wp->event, "\033[I", 3);
                   1656:                notify_pane("pane-focus-in", wp);
1.275     nicm     1657:                session_update_activity(c->session, NULL);
1.251     nicm     1658:        }
1.91      nicm     1659:        wp->flags |= PANE_FOCUSED;
1.2       nicm     1660: }
                   1661:
1.18      nicm     1662: /*
                   1663:  * Update cursor position and mode settings. The scroll region and attributes
                   1664:  * are cleared when idle (waiting for an event) as this is the most likely time
                   1665:  * a user may interrupt tmux, for example with ~^Z in ssh(1). This is a
                   1666:  * compromise between excessive resets and likelihood of an interrupt.
                   1667:  *
                   1668:  * tty_region/tty_reset/tty_update_mode already take care of not resetting
                   1669:  * things that are already in their default state.
                   1670:  */
1.190     nicm     1671: static void
1.18      nicm     1672: server_client_reset_state(struct client *c)
1.1       nicm     1673: {
1.332     nicm     1674:        struct tty              *tty = &c->tty;
1.18      nicm     1675:        struct window           *w = c->session->curw->window;
1.341     nicm     1676:        struct window_pane      *wp = server_client_get_pane(c), *loop;
1.336     nicm     1677:        struct screen           *s = NULL;
1.163     nicm     1678:        struct options          *oo = c->session->options;
1.336     nicm     1679:        int                      mode = 0, cursor, flags;
1.261     nicm     1680:        u_int                    cx = 0, cy = 0, ox, oy, sx, sy;
1.60      nicm     1681:
1.186     nicm     1682:        if (c->flags & (CLIENT_CONTROL|CLIENT_SUSPENDED))
1.86      nicm     1683:                return;
                   1684:
1.332     nicm     1685:        /* Disable the block flag. */
                   1686:        flags = (tty->flags & TTY_BLOCK);
                   1687:        tty->flags &= ~TTY_BLOCK;
                   1688:
1.309     nicm     1689:        /* Get mode from overlay if any, else from screen. */
                   1690:        if (c->overlay_draw != NULL) {
1.336     nicm     1691:                if (c->overlay_mode != NULL)
                   1692:                        s = c->overlay_mode(c, &cx, &cy);
                   1693:        } else
1.309     nicm     1694:                s = wp->screen;
1.336     nicm     1695:        if (s != NULL)
1.309     nicm     1696:                mode = s->mode;
1.375   ! nicm     1697:        if (log_get_level() != 0) {
        !          1698:                log_debug("%s: client %s mode %s", __func__, c->name,
        !          1699:                    screen_mode_to_string(mode));
        !          1700:        }
1.309     nicm     1701:
                   1702:        /* Reset region and margin. */
1.332     nicm     1703:        tty_region_off(tty);
                   1704:        tty_margin_off(tty);
1.1       nicm     1705:
1.261     nicm     1706:        /* Move cursor to pane cursor and offset. */
1.309     nicm     1707:        if (c->overlay_draw == NULL) {
                   1708:                cursor = 0;
1.332     nicm     1709:                tty_window_offset(tty, &ox, &oy, &sx, &sy);
1.309     nicm     1710:                if (wp->xoff + s->cx >= ox && wp->xoff + s->cx <= ox + sx &&
                   1711:                    wp->yoff + s->cy >= oy && wp->yoff + s->cy <= oy + sy) {
                   1712:                        cursor = 1;
1.261     nicm     1713:
1.309     nicm     1714:                        cx = wp->xoff + s->cx - ox;
                   1715:                        cy = wp->yoff + s->cy - oy;
1.261     nicm     1716:
1.309     nicm     1717:                        if (status_at_line(c) == 0)
                   1718:                                cy += status_line_size(c);
                   1719:                }
                   1720:                if (!cursor)
                   1721:                        mode &= ~MODE_CURSOR;
1.261     nicm     1722:        }
1.332     nicm     1723:        log_debug("%s: cursor to %u,%u", __func__, cx, cy);
                   1724:        tty_cursor(tty, cx, cy);
1.1       nicm     1725:
1.50      nicm     1726:        /*
1.131     nicm     1727:         * Set mouse mode if requested. To support dragging, always use button
                   1728:         * mode.
1.57      nicm     1729:         */
1.209     nicm     1730:        if (options_get_number(oo, "mouse")) {
1.309     nicm     1731:                if (c->overlay_draw == NULL) {
1.363     nicm     1732:                        mode &= ~ALL_MOUSE_MODES;
1.309     nicm     1733:                        TAILQ_FOREACH(loop, &w->panes, entry) {
                   1734:                                if (loop->screen->mode & MODE_MOUSE_ALL)
                   1735:                                        mode |= MODE_MOUSE_ALL;
                   1736:                        }
1.209     nicm     1737:                }
                   1738:                if (~mode & MODE_MOUSE_ALL)
                   1739:                        mode |= MODE_MOUSE_BUTTON;
                   1740:        }
1.215     nicm     1741:
                   1742:        /* Clear bracketed paste mode if at the prompt. */
1.309     nicm     1743:        if (c->overlay_draw == NULL && c->prompt_string != NULL)
1.215     nicm     1744:                mode &= ~MODE_BRACKETPASTE;
1.48      nicm     1745:
                   1746:        /* Set the terminal mode and reset attributes. */
1.332     nicm     1747:        tty_update_mode(tty, mode, s);
                   1748:        tty_reset(tty);
1.330     nicm     1749:
1.332     nicm     1750:        /* All writing must be done, send a sync end (if it was started). */
                   1751:        tty_sync_end(tty);
                   1752:        tty->flags |= flags;
1.17      nicm     1753: }
                   1754:
                   1755: /* Repeat time callback. */
1.190     nicm     1756: static void
1.170     nicm     1757: server_client_repeat_timer(__unused int fd, __unused short events, void *data)
1.17      nicm     1758: {
                   1759:        struct client   *c = data;
                   1760:
1.85      nicm     1761:        if (c->flags & CLIENT_REPEAT) {
1.178     nicm     1762:                server_client_set_key_table(c, NULL);
1.132     nicm     1763:                c->flags &= ~CLIENT_REPEAT;
                   1764:                server_status_client(c);
1.85      nicm     1765:        }
1.192     nicm     1766: }
                   1767:
                   1768: /* Double-click callback. */
                   1769: static void
                   1770: server_client_click_timer(__unused int fd, __unused short events, void *data)
                   1771: {
1.306     nicm     1772:        struct client           *c = data;
                   1773:        struct key_event        *event;
                   1774:
                   1775:        log_debug("click timer expired");
1.192     nicm     1776:
1.306     nicm     1777:        if (c->flags & CLIENT_TRIPLECLICK) {
                   1778:                /*
                   1779:                 * Waiting for a third click that hasn't happened, so this must
                   1780:                 * have been a double click.
                   1781:                 */
                   1782:                event = xmalloc(sizeof *event);
                   1783:                event->key = KEYC_DOUBLECLICK;
                   1784:                memcpy(&event->m, &c->click_event, sizeof event->m);
                   1785:                if (!server_client_handle_key(c, event))
                   1786:                        free(event);
                   1787:        }
1.192     nicm     1788:        c->flags &= ~(CLIENT_DOUBLECLICK|CLIENT_TRIPLECLICK);
1.1       nicm     1789: }
                   1790:
1.36      nicm     1791: /* Check if client should be exited. */
1.190     nicm     1792: static void
1.36      nicm     1793: server_client_check_exit(struct client *c)
                   1794: {
1.300     nicm     1795:        struct client_file      *cf;
1.352     nicm     1796:        const char              *name = c->exit_session;
1.357     nicm     1797:        char                    *data;
                   1798:        size_t                   size, msize;
1.300     nicm     1799:
1.354     nicm     1800:        if (c->flags & (CLIENT_DEAD|CLIENT_EXITED))
                   1801:                return;
                   1802:        if (~c->flags & CLIENT_EXIT)
1.36      nicm     1803:                return;
                   1804:
1.352     nicm     1805:        if (c->flags & CLIENT_CONTROL) {
1.355     nicm     1806:                control_discard(c);
1.352     nicm     1807:                if (!control_all_done(c))
                   1808:                        return;
                   1809:        }
1.300     nicm     1810:        RB_FOREACH(cf, client_files, &c->files) {
                   1811:                if (EVBUFFER_LENGTH(cf->buffer) != 0)
                   1812:                        return;
                   1813:        }
1.286     nicm     1814:        c->flags |= CLIENT_EXITED;
1.352     nicm     1815:
                   1816:        switch (c->exit_type) {
                   1817:        case CLIENT_EXIT_RETURN:
1.367     nicm     1818:                if (c->exit_message != NULL)
1.357     nicm     1819:                        msize = strlen(c->exit_message) + 1;
1.367     nicm     1820:                else
                   1821:                        msize = 0;
                   1822:                size = (sizeof c->retval) + msize;
1.357     nicm     1823:                data = xmalloc(size);
                   1824:                memcpy(data, &c->retval, sizeof c->retval);
                   1825:                if (c->exit_message != NULL)
                   1826:                        memcpy(data + sizeof c->retval, c->exit_message, msize);
                   1827:                proc_send(c->peer, MSG_EXIT, -1, data, size);
                   1828:                free(data);
1.352     nicm     1829:                break;
                   1830:        case CLIENT_EXIT_SHUTDOWN:
                   1831:                proc_send(c->peer, MSG_SHUTDOWN, -1, NULL, 0);
                   1832:                break;
                   1833:        case CLIENT_EXIT_DETACH:
                   1834:                proc_send(c->peer, c->exit_msgtype, -1, name, strlen(name) + 1);
                   1835:                break;
                   1836:        }
                   1837:        free(c->exit_session);
1.357     nicm     1838:        free(c->exit_message);
1.38      nicm     1839: }
                   1840:
1.218     nicm     1841: /* Redraw timer callback. */
                   1842: static void
                   1843: server_client_redraw_timer(__unused int fd, __unused short events,
1.299     nicm     1844:     __unused void *data)
1.218     nicm     1845: {
                   1846:        log_debug("redraw timer fired");
1.366     nicm     1847: }
                   1848:
                   1849: /*
                   1850:  * Check if modes need to be updated. Only modes in the current window are
                   1851:  * updated and it is done when the status line is redrawn.
                   1852:  */
                   1853: static void
                   1854: server_client_check_modes(struct client *c)
                   1855: {
                   1856:        struct window                   *w = c->session->curw->window;
                   1857:        struct window_pane              *wp;
                   1858:        struct window_mode_entry        *wme;
                   1859:
                   1860:        if (c->flags & (CLIENT_CONTROL|CLIENT_SUSPENDED))
                   1861:                return;
                   1862:        if (~c->flags & CLIENT_REDRAWSTATUS)
                   1863:                return;
                   1864:        TAILQ_FOREACH(wp, &w->panes, entry) {
                   1865:                wme = TAILQ_FIRST(&wp->modes);
                   1866:                if (wme != NULL && wme->mode->update != NULL)
                   1867:                        wme->mode->update(wme);
                   1868:        }
1.218     nicm     1869: }
                   1870:
1.1       nicm     1871: /* Check for client redraws. */
1.190     nicm     1872: static void
1.1       nicm     1873: server_client_check_redraw(struct client *c)
                   1874: {
                   1875:        struct session          *s = c->session;
1.137     nicm     1876:        struct tty              *tty = &c->tty;
1.326     nicm     1877:        struct window           *w = c->session->curw->window;
1.1       nicm     1878:        struct window_pane      *wp;
1.325     nicm     1879:        int                      needed, flags, mode = tty->mode, new_flags = 0;
1.326     nicm     1880:        int                      redraw;
                   1881:        u_int                    bit = 0;
1.218     nicm     1882:        struct timeval           tv = { .tv_usec = 1000 };
                   1883:        static struct event      ev;
                   1884:        size_t                   left;
1.1       nicm     1885:
1.86      nicm     1886:        if (c->flags & (CLIENT_CONTROL|CLIENT_SUSPENDED))
1.79      nicm     1887:                return;
1.257     nicm     1888:        if (c->flags & CLIENT_ALLREDRAWFLAGS) {
1.325     nicm     1889:                log_debug("%s: redraw%s%s%s%s%s", c->name,
1.257     nicm     1890:                    (c->flags & CLIENT_REDRAWWINDOW) ? " window" : "",
                   1891:                    (c->flags & CLIENT_REDRAWSTATUS) ? " status" : "",
1.282     nicm     1892:                    (c->flags & CLIENT_REDRAWBORDERS) ? " borders" : "",
1.325     nicm     1893:                    (c->flags & CLIENT_REDRAWOVERLAY) ? " overlay" : "",
                   1894:                    (c->flags & CLIENT_REDRAWPANES) ? " panes" : "");
1.257     nicm     1895:        }
1.218     nicm     1896:
                   1897:        /*
                   1898:         * If there is outstanding data, defer the redraw until it has been
                   1899:         * consumed. We can just add a timer to get out of the event loop and
                   1900:         * end up back here.
                   1901:         */
                   1902:        needed = 0;
1.256     nicm     1903:        if (c->flags & CLIENT_ALLREDRAWFLAGS)
1.218     nicm     1904:                needed = 1;
                   1905:        else {
1.326     nicm     1906:                TAILQ_FOREACH(wp, &w->panes, entry) {
1.218     nicm     1907:                        if (wp->flags & PANE_REDRAW) {
                   1908:                                needed = 1;
                   1909:                                break;
                   1910:                        }
                   1911:                }
1.325     nicm     1912:                if (needed)
                   1913:                        new_flags |= CLIENT_REDRAWPANES;
1.218     nicm     1914:        }
1.241     nicm     1915:        if (needed && (left = EVBUFFER_LENGTH(tty->out)) != 0) {
                   1916:                log_debug("%s: redraw deferred (%zu left)", c->name, left);
                   1917:                if (!evtimer_initialized(&ev))
                   1918:                        evtimer_set(&ev, server_client_redraw_timer, NULL);
                   1919:                if (!evtimer_pending(&ev, NULL)) {
1.218     nicm     1920:                        log_debug("redraw timer started");
                   1921:                        evtimer_add(&ev, &tv);
1.241     nicm     1922:                }
1.327     nicm     1923:
                   1924:                if (~c->flags & CLIENT_REDRAWWINDOW) {
1.326     nicm     1925:                        TAILQ_FOREACH(wp, &w->panes, entry) {
1.327     nicm     1926:                                if (wp->flags & PANE_REDRAW) {
                   1927:                                        log_debug("%s: pane %%%u needs redraw",
                   1928:                                            c->name, wp->id);
1.326     nicm     1929:                                        c->redraw_panes |= (1 << bit);
1.327     nicm     1930:                                }
1.326     nicm     1931:                                if (++bit == 64) {
                   1932:                                        /*
                   1933:                                         * If more that 64 panes, give up and
                   1934:                                         * just redraw the window.
                   1935:                                         */
                   1936:                                        new_flags &= CLIENT_REDRAWPANES;
                   1937:                                        new_flags |= CLIENT_REDRAWWINDOW;
                   1938:                                        break;
                   1939:                                }
                   1940:                        }
1.327     nicm     1941:                        if (c->redraw_panes != 0)
                   1942:                                c->flags |= CLIENT_REDRAWPANES;
1.326     nicm     1943:                }
1.325     nicm     1944:                c->flags |= new_flags;
1.241     nicm     1945:                return;
                   1946:        } else if (needed)
1.218     nicm     1947:                log_debug("%s: redraw needed", c->name);
1.79      nicm     1948:
1.219     nicm     1949:        flags = tty->flags & (TTY_BLOCK|TTY_FREEZE|TTY_NOCURSOR);
1.326     nicm     1950:        tty->flags = (tty->flags & ~(TTY_BLOCK|TTY_FREEZE))|TTY_NOCURSOR;
1.137     nicm     1951:
1.256     nicm     1952:        if (~c->flags & CLIENT_REDRAWWINDOW) {
                   1953:                /*
                   1954:                 * If not redrawing the entire window, check whether each pane
                   1955:                 * needs to be redrawn.
                   1956:                 */
1.326     nicm     1957:                TAILQ_FOREACH(wp, &w->panes, entry) {
                   1958:                        redraw = 0;
                   1959:                        if (wp->flags & PANE_REDRAW)
                   1960:                                redraw = 1;
                   1961:                        else if (c->flags & CLIENT_REDRAWPANES)
                   1962:                                redraw = !!(c->redraw_panes & (1 << bit));
1.328     nicm     1963:                        bit++;
1.326     nicm     1964:                        if (!redraw)
                   1965:                                continue;
                   1966:                        log_debug("%s: redrawing pane %%%u", __func__, wp->id);
                   1967:                        screen_redraw_pane(c, wp);
1.1       nicm     1968:                }
1.331     nicm     1969:                c->redraw_panes = 0;
1.325     nicm     1970:                c->flags &= ~CLIENT_REDRAWPANES;
1.1       nicm     1971:        }
                   1972:
1.256     nicm     1973:        if (c->flags & CLIENT_ALLREDRAWFLAGS) {
                   1974:                if (options_get_number(s->options, "set-titles"))
                   1975:                        server_client_set_title(c);
                   1976:                screen_redraw_screen(c);
                   1977:        }
1.1       nicm     1978:
1.326     nicm     1979:        tty->flags = (tty->flags & ~TTY_NOCURSOR)|(flags & TTY_NOCURSOR);
1.320     nicm     1980:        tty_update_mode(tty, mode, NULL);
1.326     nicm     1981:        tty->flags = (tty->flags & ~(TTY_BLOCK|TTY_FREEZE|TTY_NOCURSOR))|flags;
1.1       nicm     1982:
1.256     nicm     1983:        c->flags &= ~(CLIENT_ALLREDRAWFLAGS|CLIENT_STATUSFORCE);
1.230     nicm     1984:
                   1985:        if (needed) {
                   1986:                /*
                   1987:                 * We would have deferred the redraw unless the output buffer
                   1988:                 * was empty, so we can record how many bytes the redraw
                   1989:                 * generated.
                   1990:                 */
                   1991:                c->redraw = EVBUFFER_LENGTH(tty->out);
                   1992:                log_debug("%s: redraw added %zu bytes", c->name, c->redraw);
                   1993:        }
1.1       nicm     1994: }
                   1995:
                   1996: /* Set client title. */
1.190     nicm     1997: static void
1.1       nicm     1998: server_client_set_title(struct client *c)
                   1999: {
1.128     nicm     2000:        struct session          *s = c->session;
                   2001:        const char              *template;
                   2002:        char                    *title;
                   2003:        struct format_tree      *ft;
1.1       nicm     2004:
1.163     nicm     2005:        template = options_get_string(s->options, "set-titles-string");
1.25      nicm     2006:
1.228     nicm     2007:        ft = format_create(c, NULL, FORMAT_NONE, 0);
1.128     nicm     2008:        format_defaults(ft, c, NULL, NULL, NULL);
                   2009:
1.269     nicm     2010:        title = format_expand_time(ft, template);
1.1       nicm     2011:        if (c->title == NULL || strcmp(title, c->title) != 0) {
1.77      nicm     2012:                free(c->title);
1.1       nicm     2013:                c->title = xstrdup(title);
                   2014:                tty_set_title(&c->tty, c->title);
                   2015:        }
1.77      nicm     2016:        free(title);
1.128     nicm     2017:
                   2018:        format_free(ft);
1.1       nicm     2019: }
                   2020:
                   2021: /* Dispatch message from client. */
1.190     nicm     2022: static void
1.162     nicm     2023: server_client_dispatch(struct imsg *imsg, void *arg)
1.1       nicm     2024: {
1.300     nicm     2025:        struct client   *c = arg;
                   2026:        ssize_t          datalen;
                   2027:        struct session  *s;
1.1       nicm     2028:
1.162     nicm     2029:        if (c->flags & CLIENT_DEAD)
                   2030:                return;
                   2031:
                   2032:        if (imsg == NULL) {
                   2033:                server_client_lost(c);
                   2034:                return;
                   2035:        }
1.1       nicm     2036:
1.162     nicm     2037:        datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
1.1       nicm     2038:
1.162     nicm     2039:        switch (imsg->hdr.type) {
1.370     nicm     2040:        case MSG_IDENTIFY_CLIENTPID:
                   2041:        case MSG_IDENTIFY_CWD:
                   2042:        case MSG_IDENTIFY_ENVIRON:
1.329     nicm     2043:        case MSG_IDENTIFY_FEATURES:
1.162     nicm     2044:        case MSG_IDENTIFY_FLAGS:
1.361     nicm     2045:        case MSG_IDENTIFY_LONGFLAGS:
1.370     nicm     2046:        case MSG_IDENTIFY_STDIN:
                   2047:        case MSG_IDENTIFY_STDOUT:
1.162     nicm     2048:        case MSG_IDENTIFY_TERM:
1.370     nicm     2049:        case MSG_IDENTIFY_TERMINFO:
1.162     nicm     2050:        case MSG_IDENTIFY_TTYNAME:
                   2051:        case MSG_IDENTIFY_DONE:
                   2052:                server_client_dispatch_identify(c, imsg);
                   2053:                break;
                   2054:        case MSG_COMMAND:
                   2055:                server_client_dispatch_command(c, imsg);
                   2056:                break;
                   2057:        case MSG_RESIZE:
                   2058:                if (datalen != 0)
                   2059:                        fatalx("bad MSG_RESIZE size");
1.1       nicm     2060:
1.162     nicm     2061:                if (c->flags & CLIENT_CONTROL)
1.1       nicm     2062:                        break;
1.295     nicm     2063:                server_client_update_latest(c);
1.282     nicm     2064:                server_client_clear_overlay(c);
1.236     nicm     2065:                tty_resize(&c->tty);
                   2066:                recalculate_sizes();
                   2067:                server_redraw_client(c);
1.174     nicm     2068:                if (c->session != NULL)
1.196     nicm     2069:                        notify_client("client-resized", c);
1.162     nicm     2070:                break;
                   2071:        case MSG_EXITING:
                   2072:                if (datalen != 0)
                   2073:                        fatalx("bad MSG_EXITING size");
                   2074:                c->session = NULL;
                   2075:                tty_close(&c->tty);
                   2076:                proc_send(c->peer, MSG_EXITED, -1, NULL, 0);
                   2077:                break;
                   2078:        case MSG_WAKEUP:
                   2079:        case MSG_UNLOCK:
                   2080:                if (datalen != 0)
                   2081:                        fatalx("bad MSG_WAKEUP size");
1.121     nicm     2082:
1.162     nicm     2083:                if (!(c->flags & CLIENT_SUSPENDED))
                   2084:                        break;
                   2085:                c->flags &= ~CLIENT_SUSPENDED;
1.10      nicm     2086:
1.365     nicm     2087:                if (c->fd == -1 || c->session == NULL) /* exited already */
1.1       nicm     2088:                        break;
1.162     nicm     2089:                s = c->session;
1.1       nicm     2090:
1.162     nicm     2091:                if (gettimeofday(&c->activity_time, NULL) != 0)
                   2092:                        fatal("gettimeofday failed");
                   2093:
                   2094:                tty_start_tty(&c->tty);
                   2095:                server_redraw_client(c);
                   2096:                recalculate_sizes();
1.184     nicm     2097:
                   2098:                if (s != NULL)
                   2099:                        session_update_activity(s, &c->activity_time);
1.162     nicm     2100:                break;
                   2101:        case MSG_SHELL:
                   2102:                if (datalen != 0)
                   2103:                        fatalx("bad MSG_SHELL size");
1.1       nicm     2104:
1.162     nicm     2105:                server_client_dispatch_shell(c);
                   2106:                break;
1.300     nicm     2107:        case MSG_WRITE_READY:
1.369     nicm     2108:                file_write_ready(&c->files, imsg);
1.300     nicm     2109:                break;
                   2110:        case MSG_READ:
1.369     nicm     2111:                file_read_data(&c->files, imsg);
1.300     nicm     2112:                break;
                   2113:        case MSG_READ_DONE:
1.369     nicm     2114:                file_read_done(&c->files, imsg);
1.300     nicm     2115:                break;
1.1       nicm     2116:        }
                   2117: }
                   2118:
1.194     nicm     2119: /* Callback when command is done. */
                   2120: static enum cmd_retval
1.195     nicm     2121: server_client_command_done(struct cmdq_item *item, __unused void *data)
1.194     nicm     2122: {
1.316     nicm     2123:        struct client   *c = cmdq_get_client(item);
1.194     nicm     2124:
                   2125:        if (~c->flags & CLIENT_ATTACHED)
                   2126:                c->flags |= CLIENT_EXIT;
1.352     nicm     2127:        else if (~c->flags & CLIENT_EXIT)
1.314     nicm     2128:                tty_send_requests(&c->tty);
1.194     nicm     2129:        return (CMD_RETURN_NORMAL);
                   2130: }
                   2131:
1.1       nicm     2132: /* Handle command message. */
1.190     nicm     2133: static void
1.162     nicm     2134: server_client_dispatch_command(struct client *c, struct imsg *imsg)
1.1       nicm     2135: {
1.300     nicm     2136:        struct msg_command        data;
1.108     nicm     2137:        char                     *buf;
                   2138:        size_t                    len;
                   2139:        int                       argc;
                   2140:        char                    **argv, *cause;
1.285     nicm     2141:        struct cmd_parse_result  *pr;
1.246     nicm     2142:
                   2143:        if (c->flags & CLIENT_EXIT)
                   2144:                return;
1.108     nicm     2145:
                   2146:        if (imsg->hdr.len - IMSG_HEADER_SIZE < sizeof data)
                   2147:                fatalx("bad MSG_COMMAND size");
                   2148:        memcpy(&data, imsg->data, sizeof data);
                   2149:
1.124     nicm     2150:        buf = (char *)imsg->data + sizeof data;
1.108     nicm     2151:        len = imsg->hdr.len  - IMSG_HEADER_SIZE - sizeof data;
                   2152:        if (len > 0 && buf[len - 1] != '\0')
                   2153:                fatalx("bad MSG_COMMAND string");
                   2154:
                   2155:        argc = data.argc;
                   2156:        if (cmd_unpack_argv(buf, len, argc, &argv) != 0) {
1.194     nicm     2157:                cause = xstrdup("command too long");
1.1       nicm     2158:                goto error;
                   2159:        }
                   2160:
                   2161:        if (argc == 0) {
                   2162:                argc = 1;
                   2163:                argv = xcalloc(1, sizeof *argv);
                   2164:                *argv = xstrdup("new-session");
                   2165:        }
                   2166:
1.285     nicm     2167:        pr = cmd_parse_from_arguments(argc, argv, NULL);
                   2168:        switch (pr->status) {
                   2169:        case CMD_PARSE_EMPTY:
                   2170:                cause = xstrdup("empty command");
1.1       nicm     2171:                goto error;
1.285     nicm     2172:        case CMD_PARSE_ERROR:
                   2173:                cause = pr->error;
                   2174:                goto error;
                   2175:        case CMD_PARSE_SUCCESS:
                   2176:                break;
1.1       nicm     2177:        }
                   2178:        cmd_free_argv(argc, argv);
                   2179:
1.318     nicm     2180:        cmdq_append(c, cmdq_get_command(pr->cmdlist, NULL));
1.194     nicm     2181:        cmdq_append(c, cmdq_get_callback(server_client_command_done, NULL));
1.285     nicm     2182:
                   2183:        cmd_list_free(pr->cmdlist);
1.1       nicm     2184:        return;
                   2185:
                   2186: error:
1.285     nicm     2187:        cmd_free_argv(argc, argv);
                   2188:
1.284     nicm     2189:        cmdq_append(c, cmdq_get_error(cause));
                   2190:        free(cause);
1.88      nicm     2191:
1.36      nicm     2192:        c->flags |= CLIENT_EXIT;
1.1       nicm     2193: }
                   2194:
                   2195: /* Handle identify message. */
1.190     nicm     2196: static void
1.162     nicm     2197: server_client_dispatch_identify(struct client *c, struct imsg *imsg)
1.1       nicm     2198: {
1.165     nicm     2199:        const char      *data, *home;
1.232     nicm     2200:        size_t           datalen;
1.329     nicm     2201:        int              flags, feat;
1.361     nicm     2202:        uint64_t         longflags;
1.216     nicm     2203:        char            *name;
1.109     nicm     2204:
                   2205:        if (c->flags & CLIENT_IDENTIFIED)
                   2206:                fatalx("out-of-order identify message");
                   2207:
                   2208:        data = imsg->data;
                   2209:        datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
                   2210:
                   2211:        switch (imsg->hdr.type) {
1.329     nicm     2212:        case MSG_IDENTIFY_FEATURES:
                   2213:                if (datalen != sizeof feat)
                   2214:                        fatalx("bad MSG_IDENTIFY_FEATURES size");
                   2215:                memcpy(&feat, data, sizeof feat);
                   2216:                c->term_features |= feat;
                   2217:                log_debug("client %p IDENTIFY_FEATURES %s", c,
                   2218:                    tty_get_features(feat));
                   2219:                break;
1.109     nicm     2220:        case MSG_IDENTIFY_FLAGS:
                   2221:                if (datalen != sizeof flags)
                   2222:                        fatalx("bad MSG_IDENTIFY_FLAGS size");
                   2223:                memcpy(&flags, data, sizeof flags);
                   2224:                c->flags |= flags;
1.158     nicm     2225:                log_debug("client %p IDENTIFY_FLAGS %#x", c, flags);
1.361     nicm     2226:                break;
                   2227:        case MSG_IDENTIFY_LONGFLAGS:
                   2228:                if (datalen != sizeof longflags)
                   2229:                        fatalx("bad MSG_IDENTIFY_LONGFLAGS size");
                   2230:                memcpy(&longflags, data, sizeof longflags);
                   2231:                c->flags |= longflags;
                   2232:                log_debug("client %p IDENTIFY_LONGFLAGS %#llx", c,
                   2233:                    (unsigned long long)longflags);
1.109     nicm     2234:                break;
                   2235:        case MSG_IDENTIFY_TERM:
1.110     nicm     2236:                if (datalen == 0 || data[datalen - 1] != '\0')
1.109     nicm     2237:                        fatalx("bad MSG_IDENTIFY_TERM string");
1.329     nicm     2238:                if (*data == '\0')
                   2239:                        c->term_name = xstrdup("unknown");
                   2240:                else
                   2241:                        c->term_name = xstrdup(data);
1.158     nicm     2242:                log_debug("client %p IDENTIFY_TERM %s", c, data);
1.370     nicm     2243:                break;
                   2244:        case MSG_IDENTIFY_TERMINFO:
                   2245:                if (datalen == 0 || data[datalen - 1] != '\0')
                   2246:                        fatalx("bad MSG_IDENTIFY_TERMINFO string");
                   2247:                c->term_caps = xreallocarray(c->term_caps, c->term_ncaps + 1,
                   2248:                    sizeof *c->term_caps);
                   2249:                c->term_caps[c->term_ncaps++] = xstrdup(data);
                   2250:                log_debug("client %p IDENTIFY_TERMINFO %s", c, data);
1.109     nicm     2251:                break;
                   2252:        case MSG_IDENTIFY_TTYNAME:
1.110     nicm     2253:                if (datalen == 0 || data[datalen - 1] != '\0')
1.109     nicm     2254:                        fatalx("bad MSG_IDENTIFY_TTYNAME string");
                   2255:                c->ttyname = xstrdup(data);
1.158     nicm     2256:                log_debug("client %p IDENTIFY_TTYNAME %s", c, data);
1.109     nicm     2257:                break;
                   2258:        case MSG_IDENTIFY_CWD:
1.155     nicm     2259:                if (datalen == 0 || data[datalen - 1] != '\0')
                   2260:                        fatalx("bad MSG_IDENTIFY_CWD string");
1.165     nicm     2261:                if (access(data, X_OK) == 0)
                   2262:                        c->cwd = xstrdup(data);
                   2263:                else if ((home = find_home()) != NULL)
                   2264:                        c->cwd = xstrdup(home);
                   2265:                else
                   2266:                        c->cwd = xstrdup("/");
1.158     nicm     2267:                log_debug("client %p IDENTIFY_CWD %s", c, data);
1.109     nicm     2268:                break;
                   2269:        case MSG_IDENTIFY_STDIN:
                   2270:                if (datalen != 0)
                   2271:                        fatalx("bad MSG_IDENTIFY_STDIN size");
                   2272:                c->fd = imsg->fd;
1.158     nicm     2273:                log_debug("client %p IDENTIFY_STDIN %d", c, imsg->fd);
1.109     nicm     2274:                break;
1.351     nicm     2275:        case MSG_IDENTIFY_STDOUT:
                   2276:                if (datalen != 0)
                   2277:                        fatalx("bad MSG_IDENTIFY_STDOUT size");
                   2278:                c->out_fd = imsg->fd;
                   2279:                log_debug("client %p IDENTIFY_STDOUT %d", c, imsg->fd);
                   2280:                break;
1.109     nicm     2281:        case MSG_IDENTIFY_ENVIRON:
1.110     nicm     2282:                if (datalen == 0 || data[datalen - 1] != '\0')
1.109     nicm     2283:                        fatalx("bad MSG_IDENTIFY_ENVIRON string");
                   2284:                if (strchr(data, '=') != NULL)
1.312     nicm     2285:                        environ_put(c->environ, data, 0);
1.158     nicm     2286:                log_debug("client %p IDENTIFY_ENVIRON %s", c, data);
1.143     nicm     2287:                break;
                   2288:        case MSG_IDENTIFY_CLIENTPID:
                   2289:                if (datalen != sizeof c->pid)
                   2290:                        fatalx("bad MSG_IDENTIFY_CLIENTPID size");
                   2291:                memcpy(&c->pid, data, sizeof c->pid);
1.158     nicm     2292:                log_debug("client %p IDENTIFY_CLIENTPID %ld", c, (long)c->pid);
1.109     nicm     2293:                break;
                   2294:        default:
                   2295:                break;
                   2296:        }
                   2297:
                   2298:        if (imsg->hdr.type != MSG_IDENTIFY_DONE)
                   2299:                return;
                   2300:        c->flags |= CLIENT_IDENTIFIED;
1.75      nicm     2301:
1.216     nicm     2302:        if (*c->ttyname != '\0')
                   2303:                name = xstrdup(c->ttyname);
                   2304:        else
                   2305:                xasprintf(&name, "client-%ld", (long)c->pid);
                   2306:        c->name = name;
                   2307:        log_debug("client %p name is %s", c, c->name);
                   2308:
1.362     nicm     2309:        if (c->flags & CLIENT_CONTROL)
1.300     nicm     2310:                control_start(c);
1.351     nicm     2311:        else if (c->fd != -1) {
1.348     nicm     2312:                if (tty_init(&c->tty, c) != 0) {
1.288     nicm     2313:                        close(c->fd);
                   2314:                        c->fd = -1;
                   2315:                } else {
                   2316:                        tty_resize(&c->tty);
                   2317:                        c->flags |= CLIENT_TERMINAL;
                   2318:                }
1.351     nicm     2319:                close(c->out_fd);
                   2320:                c->out_fd = -1;
1.75      nicm     2321:        }
1.1       nicm     2322:
1.288     nicm     2323:        /*
1.362     nicm     2324:         * If this is the first client, load configuration files. Any later
                   2325:         * clients are allowed to continue with their command even if the
                   2326:         * config has not been loaded - they might have been run from inside it
1.288     nicm     2327:         */
                   2328:        if ((~c->flags & CLIENT_EXIT) &&
1.362     nicm     2329:             !cfg_finished &&
                   2330:             c == TAILQ_FIRST(&clients))
1.288     nicm     2331:                start_cfg();
1.1       nicm     2332: }
                   2333:
                   2334: /* Handle shell message. */
1.190     nicm     2335: static void
1.162     nicm     2336: server_client_dispatch_shell(struct client *c)
1.1       nicm     2337: {
1.107     nicm     2338:        const char      *shell;
1.25      nicm     2339:
1.163     nicm     2340:        shell = options_get_string(global_s_options, "default-shell");
1.308     nicm     2341:        if (!checkshell(shell))
1.1       nicm     2342:                shell = _PATH_BSHELL;
1.240     nicm     2343:        proc_send(c->peer, MSG_SHELL, -1, shell, strlen(shell) + 1);
1.25      nicm     2344:
1.162     nicm     2345:        proc_kill_peer(c->peer);
1.213     nicm     2346: }
                   2347:
                   2348: /* Get client working directory. */
                   2349: const char *
1.250     nicm     2350: server_client_get_cwd(struct client *c, struct session *s)
1.213     nicm     2351: {
1.250     nicm     2352:        const char      *home;
1.213     nicm     2353:
1.265     nicm     2354:        if (!cfg_finished && cfg_client != NULL)
                   2355:                return (cfg_client->cwd);
1.213     nicm     2356:        if (c != NULL && c->session == NULL && c->cwd != NULL)
                   2357:                return (c->cwd);
1.250     nicm     2358:        if (s != NULL && s->cwd != NULL)
                   2359:                return (s->cwd);
1.213     nicm     2360:        if (c != NULL && (s = c->session) != NULL && s->cwd != NULL)
                   2361:                return (s->cwd);
1.250     nicm     2362:        if ((home = find_home()) != NULL)
                   2363:                return (home);
                   2364:        return ("/");
1.337     nicm     2365: }
                   2366:
1.355     nicm     2367: /* Get control client flags. */
                   2368: static uint64_t
                   2369: server_client_control_flags(struct client *c, const char *next)
                   2370: {
                   2371:        if (strcmp(next, "pause-after") == 0) {
                   2372:                c->pause_age = 0;
                   2373:                return (CLIENT_CONTROL_PAUSEAFTER);
                   2374:        }
                   2375:        if (sscanf(next, "pause-after=%u", &c->pause_age) == 1) {
                   2376:                c->pause_age *= 1000;
                   2377:                return (CLIENT_CONTROL_PAUSEAFTER);
                   2378:        }
                   2379:        if (strcmp(next, "no-output") == 0)
                   2380:                return (CLIENT_CONTROL_NOOUTPUT);
1.358     nicm     2381:        if (strcmp(next, "wait-exit") == 0)
                   2382:                return (CLIENT_CONTROL_WAITEXIT);
1.355     nicm     2383:        return (0);
                   2384: }
                   2385:
1.337     nicm     2386: /* Set client flags. */
                   2387: void
                   2388: server_client_set_flags(struct client *c, const char *flags)
                   2389: {
                   2390:        char    *s, *copy, *next;
1.351     nicm     2391:        uint64_t flag;
                   2392:        int      not;
1.337     nicm     2393:
                   2394:        s = copy = xstrdup (flags);
                   2395:        while ((next = strsep(&s, ",")) != NULL) {
                   2396:                not = (*next == '!');
                   2397:                if (not)
                   2398:                        next++;
                   2399:
1.355     nicm     2400:                if (c->flags & CLIENT_CONTROL)
                   2401:                        flag = server_client_control_flags(c, next);
                   2402:                else
                   2403:                        flag = 0;
1.350     nicm     2404:                if (strcmp(next, "read-only") == 0)
1.337     nicm     2405:                        flag = CLIENT_READONLY;
                   2406:                else if (strcmp(next, "ignore-size") == 0)
                   2407:                        flag = CLIENT_IGNORESIZE;
1.341     nicm     2408:                else if (strcmp(next, "active-pane") == 0)
                   2409:                        flag = CLIENT_ACTIVEPANE;
1.350     nicm     2410:                if (flag == 0)
1.337     nicm     2411:                        continue;
                   2412:
                   2413:                log_debug("client %s set flag %s", c->name, next);
                   2414:                if (not)
                   2415:                        c->flags &= ~flag;
                   2416:                else
                   2417:                        c->flags |= flag;
1.346     nicm     2418:                if (flag == CLIENT_CONTROL_NOOUTPUT)
1.352     nicm     2419:                        control_reset_offsets(c);
1.337     nicm     2420:        }
                   2421:        free(copy);
1.358     nicm     2422:        proc_send(c->peer, MSG_FLAGS, -1, &c->flags, sizeof c->flags);
1.337     nicm     2423: }
                   2424:
1.340     nicm     2425: /* Get client flags. This is only flags useful to show to users. */
1.337     nicm     2426: const char *
                   2427: server_client_get_flags(struct client *c)
                   2428: {
1.355     nicm     2429:        static char     s[256];
                   2430:        char            tmp[32];
1.337     nicm     2431:
                   2432:        *s = '\0';
                   2433:        if (c->flags & CLIENT_ATTACHED)
                   2434:                strlcat(s, "attached,", sizeof s);
1.368     nicm     2435:        if (c->flags & CLIENT_FOCUSED)
                   2436:                strlcat(s, "focused,", sizeof s);
1.337     nicm     2437:        if (c->flags & CLIENT_CONTROL)
                   2438:                strlcat(s, "control-mode,", sizeof s);
                   2439:        if (c->flags & CLIENT_IGNORESIZE)
                   2440:                strlcat(s, "ignore-size,", sizeof s);
                   2441:        if (c->flags & CLIENT_CONTROL_NOOUTPUT)
                   2442:                strlcat(s, "no-output,", sizeof s);
1.358     nicm     2443:        if (c->flags & CLIENT_CONTROL_WAITEXIT)
                   2444:                strlcat(s, "wait-exit,", sizeof s);
1.355     nicm     2445:        if (c->flags & CLIENT_CONTROL_PAUSEAFTER) {
                   2446:                xsnprintf(tmp, sizeof tmp, "pause-after=%u,",
                   2447:                    c->pause_age / 1000);
                   2448:                strlcat(s, tmp, sizeof s);
                   2449:        }
1.337     nicm     2450:        if (c->flags & CLIENT_READONLY)
                   2451:                strlcat(s, "read-only,", sizeof s);
1.341     nicm     2452:        if (c->flags & CLIENT_ACTIVEPANE)
                   2453:                strlcat(s, "active-pane,", sizeof s);
1.337     nicm     2454:        if (c->flags & CLIENT_SUSPENDED)
                   2455:                strlcat(s, "suspended,", sizeof s);
                   2456:        if (c->flags & CLIENT_UTF8)
                   2457:                strlcat(s, "UTF-8,", sizeof s);
                   2458:        if (*s != '\0')
                   2459:                s[strlen(s) - 1] = '\0';
                   2460:        return (s);
1.341     nicm     2461: }
                   2462:
                   2463: /* Get client window. */
                   2464: static struct client_window *
                   2465: server_client_get_client_window(struct client *c, u_int id)
                   2466: {
                   2467:        struct client_window    cw = { .window = id };
                   2468:
                   2469:        return (RB_FIND(client_windows, &c->windows, &cw));
                   2470: }
                   2471:
                   2472: /* Get client active pane. */
                   2473: struct window_pane *
                   2474: server_client_get_pane(struct client *c)
                   2475: {
                   2476:        struct session          *s = c->session;
                   2477:        struct client_window    *cw;
                   2478:
                   2479:        if (s == NULL)
                   2480:                return (NULL);
                   2481:
                   2482:        if (~c->flags & CLIENT_ACTIVEPANE)
                   2483:                return (s->curw->window->active);
                   2484:        cw = server_client_get_client_window(c, s->curw->window->id);
                   2485:        if (cw == NULL)
                   2486:                return (s->curw->window->active);
                   2487:        return (cw->pane);
                   2488: }
                   2489:
                   2490: /* Set client active pane. */
                   2491: void
                   2492: server_client_set_pane(struct client *c, struct window_pane *wp)
                   2493: {
                   2494:        struct session          *s = c->session;
                   2495:        struct client_window    *cw;
                   2496:
                   2497:        if (s == NULL)
                   2498:                return;
                   2499:
                   2500:        cw = server_client_get_client_window(c, s->curw->window->id);
                   2501:        if (cw == NULL) {
                   2502:                cw = xcalloc(1, sizeof *cw);
                   2503:                cw->window = s->curw->window->id;
                   2504:                RB_INSERT(client_windows, &c->windows, cw);
                   2505:        }
                   2506:        cw->pane = wp;
                   2507:        log_debug("%s pane now %%%u", c->name, wp->id);
                   2508: }
                   2509:
                   2510: /* Remove pane from client lists. */
                   2511: void
                   2512: server_client_remove_pane(struct window_pane *wp)
                   2513: {
                   2514:        struct client           *c;
                   2515:        struct window           *w = wp->window;
                   2516:        struct client_window    *cw;
                   2517:
                   2518:        TAILQ_FOREACH(c, &clients, entry) {
                   2519:                cw = server_client_get_client_window(c, w->id);
                   2520:                if (cw != NULL && cw->pane == wp) {
                   2521:                        RB_REMOVE(client_windows, &c->windows, cw);
                   2522:                        free(cw);
                   2523:                }
                   2524:        }
1.1       nicm     2525: }