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Annotation of src/usr.bin/tmux/server-client.c, Revision 1.380

1.380   ! nicm        1: /* $OpenBSD: server-client.c,v 1.379 2021/08/13 06:52:51 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_resize(struct window_pane *);
1.345     nicm       37: static void    server_client_check_pane_buffer(struct window_pane *);
1.344     nicm       38: static void    server_client_check_window_resize(struct window *);
1.276     nicm       39: static key_code        server_client_check_mouse(struct client *, struct key_event *);
1.190     nicm       40: static void    server_client_repeat_timer(int, short, void *);
1.192     nicm       41: static void    server_client_click_timer(int, short, void *);
1.190     nicm       42: static void    server_client_check_exit(struct client *);
                     43: static void    server_client_check_redraw(struct client *);
1.366     nicm       44: static void    server_client_check_modes(struct client *);
1.190     nicm       45: static void    server_client_set_title(struct client *);
                     46: static void    server_client_reset_state(struct client *);
                     47: static int     server_client_assume_paste(struct session *);
1.373     nicm       48: static void    server_client_update_latest(struct client *);
1.190     nicm       49:
                     50: static void    server_client_dispatch(struct imsg *, void *);
                     51: static void    server_client_dispatch_command(struct client *, struct imsg *);
                     52: static void    server_client_dispatch_identify(struct client *, struct imsg *);
                     53: static void    server_client_dispatch_shell(struct client *);
1.233     nicm       54:
1.341     nicm       55: /* Compare client windows. */
                     56: static int
                     57: server_client_window_cmp(struct client_window *cw1,
                     58:     struct client_window *cw2)
                     59: {
                     60:        if (cw1->window < cw2->window)
                     61:                return (-1);
                     62:        if (cw1->window > cw2->window)
                     63:                return (1);
                     64:        return (0);
                     65: }
                     66: RB_GENERATE(client_windows, client_window, entry, server_client_window_cmp);
                     67:
1.233     nicm       68: /* Number of attached clients. */
                     69: u_int
                     70: server_client_how_many(void)
                     71: {
                     72:        struct client   *c;
                     73:        u_int            n;
                     74:
                     75:        n = 0;
                     76:        TAILQ_FOREACH(c, &clients, entry) {
1.352     nicm       77:                if (c->session != NULL && (~c->flags & CLIENT_UNATTACHEDFLAGS))
1.233     nicm       78:                        n++;
                     79:        }
                     80:        return (n);
                     81: }
1.140     nicm       82:
1.281     nicm       83: /* Overlay timer callback. */
1.214     nicm       84: static void
1.281     nicm       85: server_client_overlay_timer(__unused int fd, __unused short events, void *data)
1.214     nicm       86: {
1.281     nicm       87:        server_client_clear_overlay(data);
1.214     nicm       88: }
                     89:
1.281     nicm       90: /* Set an overlay on client. */
1.214     nicm       91: void
1.309     nicm       92: server_client_set_overlay(struct client *c, u_int delay,
                     93:     overlay_check_cb checkcb, overlay_mode_cb modecb,
                     94:     overlay_draw_cb drawcb, overlay_key_cb keycb, overlay_free_cb freecb,
1.376     nicm       95:     overlay_resize_cb resizecb, void *data)
1.214     nicm       96: {
                     97:        struct timeval  tv;
                     98:
1.282     nicm       99:        if (c->overlay_draw != NULL)
                    100:                server_client_clear_overlay(c);
                    101:
1.214     nicm      102:        tv.tv_sec = delay / 1000;
                    103:        tv.tv_usec = (delay % 1000) * 1000L;
                    104:
1.281     nicm      105:        if (event_initialized(&c->overlay_timer))
                    106:                evtimer_del(&c->overlay_timer);
                    107:        evtimer_set(&c->overlay_timer, server_client_overlay_timer, c);
1.242     nicm      108:        if (delay != 0)
1.281     nicm      109:                evtimer_add(&c->overlay_timer, &tv);
                    110:
1.309     nicm      111:        c->overlay_check = checkcb;
                    112:        c->overlay_mode = modecb;
1.281     nicm      113:        c->overlay_draw = drawcb;
                    114:        c->overlay_key = keycb;
                    115:        c->overlay_free = freecb;
1.376     nicm      116:        c->overlay_resize = resizecb;
1.281     nicm      117:        c->overlay_data = data;
1.214     nicm      118:
1.378     nicm      119:        if (c->overlay_check == NULL)
                    120:                c->tty.flags |= TTY_FREEZE;
1.309     nicm      121:        if (c->overlay_mode == NULL)
                    122:                c->tty.flags |= TTY_NOCURSOR;
1.214     nicm      123:        server_redraw_client(c);
                    124: }
                    125:
1.281     nicm      126: /* Clear overlay mode on client. */
1.309     nicm      127: void
1.281     nicm      128: server_client_clear_overlay(struct client *c)
1.214     nicm      129: {
1.281     nicm      130:        if (c->overlay_draw == NULL)
1.214     nicm      131:                return;
                    132:
1.281     nicm      133:        if (event_initialized(&c->overlay_timer))
                    134:                evtimer_del(&c->overlay_timer);
                    135:
                    136:        if (c->overlay_free != NULL)
1.380   ! nicm      137:                c->overlay_free(c, c->overlay_data);
1.281     nicm      138:
1.309     nicm      139:        c->overlay_check = NULL;
                    140:        c->overlay_mode = NULL;
1.281     nicm      141:        c->overlay_draw = NULL;
                    142:        c->overlay_key = NULL;
1.309     nicm      143:        c->overlay_free = NULL;
                    144:        c->overlay_data = NULL;
1.214     nicm      145:
                    146:        c->tty.flags &= ~(TTY_FREEZE|TTY_NOCURSOR);
                    147:        server_redraw_client(c);
                    148: }
                    149:
1.140     nicm      150: /* Check if this client is inside this server. */
                    151: int
                    152: server_client_check_nested(struct client *c)
                    153: {
                    154:        struct environ_entry    *envent;
                    155:        struct window_pane      *wp;
                    156:
1.164     nicm      157:        envent = environ_find(c->environ, "TMUX");
1.140     nicm      158:        if (envent == NULL || *envent->value == '\0')
                    159:                return (0);
                    160:
                    161:        RB_FOREACH(wp, window_pane_tree, &all_window_panes) {
1.216     nicm      162:                if (strcmp(wp->tty, c->ttyname) == 0)
1.140     nicm      163:                        return (1);
                    164:        }
                    165:        return (0);
                    166: }
1.1       nicm      167:
1.132     nicm      168: /* Set client key table. */
                    169: void
1.178     nicm      170: server_client_set_key_table(struct client *c, const char *name)
1.132     nicm      171: {
1.178     nicm      172:        if (name == NULL)
                    173:                name = server_client_get_key_table(c);
                    174:
1.132     nicm      175:        key_bindings_unref_table(c->keytable);
                    176:        c->keytable = key_bindings_get_table(name, 1);
                    177:        c->keytable->references++;
                    178: }
                    179:
1.178     nicm      180: /* Get default key table. */
                    181: const char *
                    182: server_client_get_key_table(struct client *c)
                    183: {
                    184:        struct session  *s = c->session;
                    185:        const char      *name;
                    186:
                    187:        if (s == NULL)
                    188:                return ("root");
                    189:
                    190:        name = options_get_string(s->options, "key-table");
                    191:        if (*name == '\0')
                    192:                return ("root");
                    193:        return (name);
                    194: }
                    195:
1.223     nicm      196: /* Is this table the default key table? */
                    197: static int
                    198: server_client_is_default_key_table(struct client *c, struct key_table *table)
1.191     nicm      199: {
1.223     nicm      200:        return (strcmp(table->name, server_client_get_key_table(c)) == 0);
1.191     nicm      201: }
                    202:
1.1       nicm      203: /* Create a new client. */
1.246     nicm      204: struct client *
1.1       nicm      205: server_client_create(int fd)
                    206: {
                    207:        struct client   *c;
                    208:
1.49      nicm      209:        setblocking(fd, 0);
1.1       nicm      210:
                    211:        c = xcalloc(1, sizeof *c);
1.141     nicm      212:        c->references = 1;
1.162     nicm      213:        c->peer = proc_add_peer(server_proc, fd, server_client_dispatch, c);
1.25      nicm      214:
1.10      nicm      215:        if (gettimeofday(&c->creation_time, NULL) != 0)
1.1       nicm      216:                fatal("gettimeofday failed");
1.11      nicm      217:        memcpy(&c->activity_time, &c->creation_time, sizeof c->activity_time);
1.111     nicm      218:
1.164     nicm      219:        c->environ = environ_create();
1.1       nicm      220:
1.146     nicm      221:        c->fd = -1;
1.351     nicm      222:        c->out_fd = -1;
1.145     nicm      223:
1.316     nicm      224:        c->queue = cmdq_new();
1.341     nicm      225:        RB_INIT(&c->windows);
1.345     nicm      226:        RB_INIT(&c->files);
1.94      nicm      227:
1.1       nicm      228:        c->tty.sx = 80;
                    229:        c->tty.sy = 24;
                    230:
1.271     nicm      231:        status_init(c);
1.93      nicm      232:        c->flags |= CLIENT_FOCUSED;
                    233:
1.132     nicm      234:        c->keytable = key_bindings_get_table("root", 1);
                    235:        c->keytable->references++;
                    236:
1.17      nicm      237:        evtimer_set(&c->repeat_timer, server_client_repeat_timer, c);
1.192     nicm      238:        evtimer_set(&c->click_timer, server_client_click_timer, c);
1.17      nicm      239:
1.135     nicm      240:        TAILQ_INSERT_TAIL(&clients, c, entry);
1.157     nicm      241:        log_debug("new client %p", c);
1.246     nicm      242:        return (c);
1.72      nicm      243: }
                    244:
                    245: /* Open client terminal if needed. */
                    246: int
1.119     nicm      247: server_client_open(struct client *c, char **cause)
1.72      nicm      248: {
1.339     nicm      249:        const char      *ttynam = _PATH_TTY;
                    250:
1.75      nicm      251:        if (c->flags & CLIENT_CONTROL)
                    252:                return (0);
1.120     nicm      253:
1.339     nicm      254:        if (strcmp(c->ttyname, ttynam) == 0||
                    255:            ((isatty(STDIN_FILENO) &&
                    256:            (ttynam = ttyname(STDIN_FILENO)) != NULL &&
                    257:            strcmp(c->ttyname, ttynam) == 0) ||
                    258:            (isatty(STDOUT_FILENO) &&
                    259:            (ttynam = ttyname(STDOUT_FILENO)) != NULL &&
                    260:            strcmp(c->ttyname, ttynam) == 0) ||
                    261:            (isatty(STDERR_FILENO) &&
                    262:            (ttynam = ttyname(STDERR_FILENO)) != NULL &&
                    263:            strcmp(c->ttyname, ttynam) == 0))) {
                    264:                xasprintf(cause, "can't use %s", c->ttyname);
1.120     nicm      265:                return (-1);
                    266:        }
1.75      nicm      267:
1.72      nicm      268:        if (!(c->flags & CLIENT_TERMINAL)) {
1.116     nicm      269:                *cause = xstrdup("not a terminal");
1.72      nicm      270:                return (-1);
                    271:        }
                    272:
1.119     nicm      273:        if (tty_open(&c->tty, cause) != 0)
1.72      nicm      274:                return (-1);
                    275:
                    276:        return (0);
1.1       nicm      277: }
                    278:
1.373     nicm      279: /* Lost an attached client. */
                    280: static void
                    281: server_client_attached_lost(struct client *c)
                    282: {
                    283:        struct session  *s = c->session;
                    284:        struct window   *w;
                    285:        struct client   *loop;
                    286:        struct client   *found;
                    287:
                    288:        log_debug("lost attached client %p", c);
                    289:
                    290:        /*
                    291:         * By this point the session in the client has been cleared so walk all
                    292:         * windows to find any with this client as the latest.
                    293:         */
                    294:        RB_FOREACH(w, windows, &windows) {
                    295:                if (w->latest != c)
                    296:                        continue;
                    297:
                    298:                found = NULL;
                    299:                TAILQ_FOREACH(loop, &clients, entry) {
                    300:                        s = loop->session;
                    301:                        if (loop == c || s == NULL || s->curw->window != w)
                    302:                                continue;
1.379     nicm      303:                        if (found == NULL || timercmp(&loop->activity_time,
                    304:                            &found->activity_time, >))
1.373     nicm      305:                                found = loop;
                    306:                }
                    307:                if (found != NULL)
                    308:                        server_client_update_latest(found);
                    309:        }
                    310: }
                    311:
1.379     nicm      312:
                    313: /* Set client session. */
                    314: void
                    315: server_client_set_session(struct client *c, struct session *s)
                    316: {
                    317:        struct session  *old = c->session;
                    318:
                    319:        if (s != NULL && c->session != NULL && c->session != s)
                    320:                c->last_session = c->session;
                    321:        else if (s == NULL)
                    322:                c->last_session = NULL;
                    323:        c->session = s;
                    324:        c->flags |= CLIENT_FOCUSED;
                    325:        recalculate_sizes();
                    326:
                    327:        if (old != NULL && old->curw != NULL)
                    328:                window_update_focus(old->curw->window);
                    329:        if (s != NULL) {
                    330:                window_update_focus(s->curw->window);
                    331:                session_update_activity(s, NULL);
                    332:                gettimeofday(&s->last_attached_time, NULL);
                    333:                s->curw->flags &= ~WINLINK_ALERTFLAGS;
                    334:                s->curw->window->latest = c;
                    335:                alerts_check_session(s);
                    336:                tty_update_client_offset(c);
                    337:                status_timer_start(c);
                    338:                notify_client("client-session-changed", c);
                    339:                server_redraw_client(c);
                    340:        }
                    341:
                    342:        server_check_unattached();
                    343:        server_update_socket();
                    344: }
                    345:
1.1       nicm      346: /* Lost a client. */
                    347: void
                    348: server_client_lost(struct client *c)
                    349: {
1.340     nicm      350:        struct client_file      *cf, *cf1;
1.341     nicm      351:        struct client_window    *cw, *cw1;
1.1       nicm      352:
1.141     nicm      353:        c->flags |= CLIENT_DEAD;
                    354:
1.281     nicm      355:        server_client_clear_overlay(c);
1.141     nicm      356:        status_prompt_clear(c);
                    357:        status_message_clear(c);
                    358:
1.340     nicm      359:        RB_FOREACH_SAFE(cf, client_files, &c->files, cf1) {
1.300     nicm      360:                cf->error = EINTR;
                    361:                file_fire_done(cf);
                    362:        }
1.341     nicm      363:        RB_FOREACH_SAFE(cw, client_windows, &c->windows, cw1) {
                    364:                RB_REMOVE(client_windows, &c->windows, cw);
                    365:                free(cw);
                    366:        }
1.141     nicm      367:
1.135     nicm      368:        TAILQ_REMOVE(&clients, c, entry);
1.157     nicm      369:        log_debug("lost client %p", c);
1.1       nicm      370:
1.373     nicm      371:        if (c->flags & CLIENT_ATTACHED) {
                    372:                server_client_attached_lost(c);
1.371     nicm      373:                notify_client("client-detached", c);
1.373     nicm      374:        }
1.371     nicm      375:
1.349     nicm      376:        if (c->flags & CLIENT_CONTROL)
                    377:                control_stop(c);
1.1       nicm      378:        if (c->flags & CLIENT_TERMINAL)
                    379:                tty_free(&c->tty);
1.109     nicm      380:        free(c->ttyname);
1.333     nicm      381:
1.329     nicm      382:        free(c->term_name);
1.333     nicm      383:        free(c->term_type);
1.370     nicm      384:        tty_term_free_list(c->term_caps, c->term_ncaps);
1.1       nicm      385:
1.270     nicm      386:        status_free(c);
1.1       nicm      387:
1.77      nicm      388:        free(c->title);
1.165     nicm      389:        free((void *)c->cwd);
1.1       nicm      390:
1.17      nicm      391:        evtimer_del(&c->repeat_timer);
1.192     nicm      392:        evtimer_del(&c->click_timer);
1.17      nicm      393:
1.132     nicm      394:        key_bindings_unref_table(c->keytable);
                    395:
1.77      nicm      396:        free(c->message_string);
1.116     nicm      397:        if (event_initialized(&c->message_timer))
1.69      nicm      398:                evtimer_del(&c->message_timer);
1.1       nicm      399:
1.259     nicm      400:        free(c->prompt_saved);
1.77      nicm      401:        free(c->prompt_string);
                    402:        free(c->prompt_buffer);
1.61      nicm      403:
1.228     nicm      404:        format_lost_client(c);
1.164     nicm      405:        environ_free(c->environ);
1.1       nicm      406:
1.162     nicm      407:        proc_remove_peer(c->peer);
                    408:        c->peer = NULL;
1.13      nicm      409:
1.351     nicm      410:        if (c->out_fd != -1)
                    411:                close(c->out_fd);
1.348     nicm      412:        if (c->fd != -1) {
                    413:                close(c->fd);
                    414:                c->fd = -1;
                    415:        }
1.142     nicm      416:        server_client_unref(c);
1.71      nicm      417:
                    418:        server_add_accept(0); /* may be more file descriptors now */
1.1       nicm      419:
                    420:        recalculate_sizes();
1.41      nicm      421:        server_check_unattached();
1.19      nicm      422:        server_update_socket();
1.141     nicm      423: }
                    424:
                    425: /* Remove reference from a client. */
                    426: void
1.142     nicm      427: server_client_unref(struct client *c)
1.141     nicm      428: {
1.157     nicm      429:        log_debug("unref client %p (%d references)", c, c->references);
1.141     nicm      430:
                    431:        c->references--;
                    432:        if (c->references == 0)
                    433:                event_once(-1, EV_TIMEOUT, server_client_free, c, NULL);
                    434: }
                    435:
                    436: /* Free dead client. */
1.190     nicm      437: static void
1.170     nicm      438: server_client_free(__unused int fd, __unused short events, void *arg)
1.141     nicm      439: {
                    440:        struct client   *c = arg;
                    441:
1.157     nicm      442:        log_debug("free client %p (%d references)", c, c->references);
1.141     nicm      443:
1.316     nicm      444:        cmdq_free(c->queue);
1.194     nicm      445:
1.216     nicm      446:        if (c->references == 0) {
                    447:                free((void *)c->name);
1.141     nicm      448:                free(c);
1.216     nicm      449:        }
1.9       nicm      450: }
                    451:
1.220     nicm      452: /* Suspend a client. */
                    453: void
                    454: server_client_suspend(struct client *c)
                    455: {
1.232     nicm      456:        struct session  *s = c->session;
1.220     nicm      457:
1.352     nicm      458:        if (s == NULL || (c->flags & CLIENT_UNATTACHEDFLAGS))
1.220     nicm      459:                return;
                    460:
                    461:        tty_stop_tty(&c->tty);
                    462:        c->flags |= CLIENT_SUSPENDED;
                    463:        proc_send(c->peer, MSG_SUSPEND, -1, NULL, 0);
                    464: }
                    465:
1.174     nicm      466: /* Detach a client. */
                    467: void
                    468: server_client_detach(struct client *c, enum msgtype msgtype)
                    469: {
1.232     nicm      470:        struct session  *s = c->session;
1.174     nicm      471:
1.352     nicm      472:        if (s == NULL || (c->flags & CLIENT_UNATTACHEDFLAGS))
1.174     nicm      473:                return;
                    474:
1.352     nicm      475:        c->flags |= CLIENT_EXIT;
                    476:
                    477:        c->exit_type = CLIENT_EXIT_DETACH;
                    478:        c->exit_msgtype = msgtype;
                    479:        c->exit_session = xstrdup(s->name);
1.207     nicm      480: }
                    481:
1.208     nicm      482: /* Execute command to replace a client. */
1.207     nicm      483: void
                    484: server_client_exec(struct client *c, const char *cmd)
                    485: {
                    486:        struct session  *s = c->session;
1.208     nicm      487:        char            *msg;
                    488:        const char      *shell;
1.207     nicm      489:        size_t           cmdsize, shellsize;
                    490:
                    491:        if (*cmd == '\0')
                    492:                return;
                    493:        cmdsize = strlen(cmd) + 1;
                    494:
                    495:        if (s != NULL)
                    496:                shell = options_get_string(s->options, "default-shell");
                    497:        else
                    498:                shell = options_get_string(global_s_options, "default-shell");
1.308     nicm      499:        if (!checkshell(shell))
                    500:                shell = _PATH_BSHELL;
1.207     nicm      501:        shellsize = strlen(shell) + 1;
                    502:
                    503:        msg = xmalloc(cmdsize + shellsize);
                    504:        memcpy(msg, cmd, cmdsize);
                    505:        memcpy(msg + cmdsize, shell, shellsize);
                    506:
                    507:        proc_send(c->peer, MSG_EXEC, -1, msg, cmdsize + shellsize);
                    508:        free(msg);
1.174     nicm      509: }
                    510:
1.66      nicm      511: /* Check for mouse keys. */
1.190     nicm      512: static key_code
1.276     nicm      513: server_client_check_mouse(struct client *c, struct key_event *event)
1.66      nicm      514: {
1.276     nicm      515:        struct mouse_event      *m = &event->m;
1.192     nicm      516:        struct session          *s = c->session;
1.272     nicm      517:        struct winlink          *wl;
1.192     nicm      518:        struct window_pane      *wp;
1.261     nicm      519:        u_int                    x, y, b, sx, sy, px, py;
1.307     nicm      520:        int                      ignore = 0;
1.192     nicm      521:        key_code                 key;
                    522:        struct timeval           tv;
1.272     nicm      523:        struct style_range      *sr;
1.283     nicm      524:        enum { NOTYPE,
                    525:               MOVE,
                    526:               DOWN,
                    527:               UP,
                    528:               DRAG,
                    529:               WHEEL,
1.311     nicm      530:               SECOND,
1.283     nicm      531:               DOUBLE,
                    532:               TRIPLE } type = NOTYPE;
1.276     nicm      533:        enum { NOWHERE,
                    534:               PANE,
                    535:               STATUS,
                    536:               STATUS_LEFT,
                    537:               STATUS_RIGHT,
                    538:               STATUS_DEFAULT,
1.283     nicm      539:               BORDER } where = NOWHERE;
1.131     nicm      540:
1.261     nicm      541:        log_debug("%s mouse %02x at %u,%u (last %u,%u) (%d)", c->name, m->b,
                    542:            m->x, m->y, m->lx, m->ly, c->tty.mouse_drag_flag);
1.131     nicm      543:
                    544:        /* What type of event is this? */
1.306     nicm      545:        if (event->key == KEYC_DOUBLECLICK) {
                    546:                type = DOUBLE;
                    547:                x = m->x, y = m->y, b = m->b;
1.307     nicm      548:                ignore = 1;
1.306     nicm      549:                log_debug("double-click at %u,%u", x, y);
                    550:        } else if ((m->sgr_type != ' ' &&
1.209     nicm      551:            MOUSE_DRAG(m->sgr_b) &&
                    552:            MOUSE_BUTTONS(m->sgr_b) == 3) ||
                    553:            (m->sgr_type == ' ' &&
                    554:            MOUSE_DRAG(m->b) &&
                    555:            MOUSE_BUTTONS(m->b) == 3 &&
                    556:            MOUSE_BUTTONS(m->lb) == 3)) {
                    557:                type = MOVE;
                    558:                x = m->x, y = m->y, b = 0;
                    559:                log_debug("move at %u,%u", x, y);
                    560:        } else if (MOUSE_DRAG(m->b)) {
1.131     nicm      561:                type = DRAG;
                    562:                if (c->tty.mouse_drag_flag) {
                    563:                        x = m->x, y = m->y, b = m->b;
1.278     nicm      564:                        if (x == m->lx && y == m->ly)
                    565:                                return (KEYC_UNKNOWN);
1.131     nicm      566:                        log_debug("drag update at %u,%u", x, y);
                    567:                } else {
1.277     nicm      568:                        x = m->lx, y = m->ly, b = m->lb;
1.131     nicm      569:                        log_debug("drag start at %u,%u", x, y);
                    570:                }
                    571:        } else if (MOUSE_WHEEL(m->b)) {
                    572:                type = WHEEL;
                    573:                x = m->x, y = m->y, b = m->b;
                    574:                log_debug("wheel at %u,%u", x, y);
1.200     nicm      575:        } else if (MOUSE_RELEASE(m->b)) {
1.131     nicm      576:                type = UP;
                    577:                x = m->x, y = m->y, b = m->lb;
                    578:                log_debug("up at %u,%u", x, y);
                    579:        } else {
1.192     nicm      580:                if (c->flags & CLIENT_DOUBLECLICK) {
                    581:                        evtimer_del(&c->click_timer);
                    582:                        c->flags &= ~CLIENT_DOUBLECLICK;
                    583:                        if (m->b == c->click_button) {
1.311     nicm      584:                                type = SECOND;
                    585:                                x = m->x, y = m->y, b = m->b;
                    586:                                log_debug("second-click at %u,%u", x, y);
1.306     nicm      587:                                c->flags |= CLIENT_TRIPLECLICK;
1.192     nicm      588:                        }
                    589:                } else if (c->flags & CLIENT_TRIPLECLICK) {
                    590:                        evtimer_del(&c->click_timer);
                    591:                        c->flags &= ~CLIENT_TRIPLECLICK;
                    592:                        if (m->b == c->click_button) {
                    593:                                type = TRIPLE;
                    594:                                x = m->x, y = m->y, b = m->b;
                    595:                                log_debug("triple-click at %u,%u", x, y);
                    596:                                goto have_event;
                    597:                        }
1.311     nicm      598:                } else {
                    599:                        type = DOWN;
                    600:                        x = m->x, y = m->y, b = m->b;
                    601:                        log_debug("down at %u,%u", x, y);
1.307     nicm      602:                        c->flags |= CLIENT_DOUBLECLICK;
1.311     nicm      603:                }
1.192     nicm      604:
                    605:                if (KEYC_CLICK_TIMEOUT != 0) {
1.306     nicm      606:                        memcpy(&c->click_event, m, sizeof c->click_event);
1.192     nicm      607:                        c->click_button = m->b;
                    608:
1.312     nicm      609:                        log_debug("click timer started");
1.192     nicm      610:                        tv.tv_sec = KEYC_CLICK_TIMEOUT / 1000;
                    611:                        tv.tv_usec = (KEYC_CLICK_TIMEOUT % 1000) * 1000L;
                    612:                        evtimer_del(&c->click_timer);
                    613:                        evtimer_add(&c->click_timer, &tv);
                    614:                }
1.131     nicm      615:        }
1.192     nicm      616:
                    617: have_event:
1.131     nicm      618:        if (type == NOTYPE)
1.177     nicm      619:                return (KEYC_UNKNOWN);
1.131     nicm      620:
1.258     nicm      621:        /* Save the session. */
1.131     nicm      622:        m->s = s->id;
1.258     nicm      623:        m->w = -1;
1.307     nicm      624:        m->ignore = ignore;
1.131     nicm      625:
                    626:        /* Is this on the status line? */
                    627:        m->statusat = status_at_line(c);
1.292     nicm      628:        m->statuslines = status_line_size(c);
1.272     nicm      629:        if (m->statusat != -1 &&
                    630:            y >= (u_int)m->statusat &&
1.292     nicm      631:            y < m->statusat + m->statuslines) {
1.272     nicm      632:                sr = status_get_range(c, x, y - m->statusat);
1.274     nicm      633:                if (sr == NULL) {
                    634:                        where = STATUS_DEFAULT;
                    635:                } else {
                    636:                        switch (sr->type) {
                    637:                        case STYLE_RANGE_NONE:
1.273     nicm      638:                                return (KEYC_UNKNOWN);
1.274     nicm      639:                        case STYLE_RANGE_LEFT:
                    640:                                where = STATUS_LEFT;
                    641:                                break;
                    642:                        case STYLE_RANGE_RIGHT:
                    643:                                where = STATUS_RIGHT;
                    644:                                break;
                    645:                        case STYLE_RANGE_WINDOW:
1.298     nicm      646:                                wl = winlink_find_by_index(&s->windows,
                    647:                                    sr->argument);
1.274     nicm      648:                                if (wl == NULL)
                    649:                                        return (KEYC_UNKNOWN);
                    650:                                m->w = wl->window->id;
1.273     nicm      651:
1.274     nicm      652:                                where = STATUS;
                    653:                                break;
                    654:                        }
1.258     nicm      655:                }
                    656:        }
1.131     nicm      657:
                    658:        /* Not on status line. Adjust position and check for border or pane. */
                    659:        if (where == NOWHERE) {
1.261     nicm      660:                px = x;
1.292     nicm      661:                if (m->statusat == 0 && y >= m->statuslines)
                    662:                        py = y - m->statuslines;
1.131     nicm      663:                else if (m->statusat > 0 && y >= (u_int)m->statusat)
1.261     nicm      664:                        py = m->statusat - 1;
                    665:                else
                    666:                        py = y;
                    667:
                    668:                tty_window_offset(&c->tty, &m->ox, &m->oy, &sx, &sy);
                    669:                log_debug("mouse window @%u at %u,%u (%ux%u)",
                    670:                    s->curw->window->id, m->ox, m->oy, sx, sy);
                    671:                if (px > sx || py > sy)
                    672:                        return (KEYC_UNKNOWN);
                    673:                px = px + m->ox;
                    674:                py = py + m->oy;
1.131     nicm      675:
1.260     nicm      676:                /* Try the pane borders if not zoomed. */
                    677:                if (~s->curw->window->flags & WINDOW_ZOOMED) {
                    678:                        TAILQ_FOREACH(wp, &s->curw->window->panes, entry) {
1.261     nicm      679:                                if ((wp->xoff + wp->sx == px &&
                    680:                                    wp->yoff <= 1 + py &&
                    681:                                    wp->yoff + wp->sy >= py) ||
                    682:                                    (wp->yoff + wp->sy == py &&
                    683:                                    wp->xoff <= 1 + px &&
                    684:                                    wp->xoff + wp->sx >= px))
1.260     nicm      685:                                        break;
                    686:                        }
                    687:                        if (wp != NULL)
                    688:                                where = BORDER;
1.131     nicm      689:                }
1.260     nicm      690:
                    691:                /* Otherwise try inside the pane. */
                    692:                if (where == NOWHERE) {
1.261     nicm      693:                        wp = window_get_active_at(s->curw->window, px, py);
1.260     nicm      694:                        if (wp != NULL)
1.131     nicm      695:                                where = PANE;
1.315     nicm      696:                        else
                    697:                                return (KEYC_UNKNOWN);
1.131     nicm      698:                }
1.260     nicm      699:                if (where == PANE)
                    700:                        log_debug("mouse %u,%u on pane %%%u", x, y, wp->id);
                    701:                else if (where == BORDER)
                    702:                        log_debug("mouse on pane %%%u border", wp->id);
1.131     nicm      703:                m->wp = wp->id;
                    704:                m->w = wp->window->id;
                    705:        } else
                    706:                m->wp = -1;
                    707:
                    708:        /* Stop dragging if needed. */
1.200     nicm      709:        if (type != DRAG && type != WHEEL && c->tty.mouse_drag_flag) {
1.131     nicm      710:                if (c->tty.mouse_drag_release != NULL)
                    711:                        c->tty.mouse_drag_release(c, m);
                    712:
                    713:                c->tty.mouse_drag_update = NULL;
                    714:                c->tty.mouse_drag_release = NULL;
                    715:
1.182     nicm      716:                /*
1.183     nicm      717:                 * End a mouse drag by passing a MouseDragEnd key corresponding
                    718:                 * to the button that started the drag.
1.182     nicm      719:                 */
                    720:                switch (c->tty.mouse_drag_flag) {
                    721:                case 1:
                    722:                        if (where == PANE)
1.183     nicm      723:                                key = KEYC_MOUSEDRAGEND1_PANE;
1.182     nicm      724:                        if (where == STATUS)
1.183     nicm      725:                                key = KEYC_MOUSEDRAGEND1_STATUS;
1.258     nicm      726:                        if (where == STATUS_LEFT)
                    727:                                key = KEYC_MOUSEDRAGEND1_STATUS_LEFT;
                    728:                        if (where == STATUS_RIGHT)
                    729:                                key = KEYC_MOUSEDRAGEND1_STATUS_RIGHT;
1.274     nicm      730:                        if (where == STATUS_DEFAULT)
                    731:                                key = KEYC_MOUSEDRAGEND1_STATUS_DEFAULT;
1.182     nicm      732:                        if (where == BORDER)
1.183     nicm      733:                                key = KEYC_MOUSEDRAGEND1_BORDER;
1.182     nicm      734:                        break;
                    735:                case 2:
                    736:                        if (where == PANE)
1.183     nicm      737:                                key = KEYC_MOUSEDRAGEND2_PANE;
1.182     nicm      738:                        if (where == STATUS)
1.183     nicm      739:                                key = KEYC_MOUSEDRAGEND2_STATUS;
1.258     nicm      740:                        if (where == STATUS_LEFT)
                    741:                                key = KEYC_MOUSEDRAGEND2_STATUS_LEFT;
                    742:                        if (where == STATUS_RIGHT)
                    743:                                key = KEYC_MOUSEDRAGEND2_STATUS_RIGHT;
1.274     nicm      744:                        if (where == STATUS_DEFAULT)
                    745:                                key = KEYC_MOUSEDRAGEND2_STATUS_DEFAULT;
1.182     nicm      746:                        if (where == BORDER)
1.183     nicm      747:                                key = KEYC_MOUSEDRAGEND2_BORDER;
1.182     nicm      748:                        break;
                    749:                case 3:
                    750:                        if (where == PANE)
1.183     nicm      751:                                key = KEYC_MOUSEDRAGEND3_PANE;
1.182     nicm      752:                        if (where == STATUS)
1.183     nicm      753:                                key = KEYC_MOUSEDRAGEND3_STATUS;
1.258     nicm      754:                        if (where == STATUS_LEFT)
                    755:                                key = KEYC_MOUSEDRAGEND3_STATUS_LEFT;
                    756:                        if (where == STATUS_RIGHT)
                    757:                                key = KEYC_MOUSEDRAGEND3_STATUS_RIGHT;
1.274     nicm      758:                        if (where == STATUS_DEFAULT)
                    759:                                key = KEYC_MOUSEDRAGEND3_STATUS_DEFAULT;
1.182     nicm      760:                        if (where == BORDER)
1.183     nicm      761:                                key = KEYC_MOUSEDRAGEND3_BORDER;
1.182     nicm      762:                        break;
                    763:                default:
                    764:                        key = KEYC_MOUSE;
                    765:                        break;
                    766:                }
1.131     nicm      767:                c->tty.mouse_drag_flag = 0;
1.305     nicm      768:                goto out;
1.131     nicm      769:        }
                    770:
                    771:        /* Convert to a key binding. */
1.177     nicm      772:        key = KEYC_UNKNOWN;
1.131     nicm      773:        switch (type) {
                    774:        case NOTYPE:
                    775:                break;
1.209     nicm      776:        case MOVE:
                    777:                if (where == PANE)
                    778:                        key = KEYC_MOUSEMOVE_PANE;
                    779:                if (where == STATUS)
                    780:                        key = KEYC_MOUSEMOVE_STATUS;
1.274     nicm      781:                if (where == STATUS_LEFT)
                    782:                        key = KEYC_MOUSEMOVE_STATUS_LEFT;
                    783:                if (where == STATUS_RIGHT)
                    784:                        key = KEYC_MOUSEMOVE_STATUS_RIGHT;
                    785:                if (where == STATUS_DEFAULT)
                    786:                        key = KEYC_MOUSEMOVE_STATUS_DEFAULT;
1.209     nicm      787:                if (where == BORDER)
                    788:                        key = KEYC_MOUSEMOVE_BORDER;
                    789:                break;
1.131     nicm      790:        case DRAG:
1.204     nicm      791:                if (c->tty.mouse_drag_update != NULL)
                    792:                        key = KEYC_DRAGGING;
                    793:                else {
1.131     nicm      794:                        switch (MOUSE_BUTTONS(b)) {
                    795:                        case 0:
                    796:                                if (where == PANE)
                    797:                                        key = KEYC_MOUSEDRAG1_PANE;
                    798:                                if (where == STATUS)
                    799:                                        key = KEYC_MOUSEDRAG1_STATUS;
1.258     nicm      800:                                if (where == STATUS_LEFT)
                    801:                                        key = KEYC_MOUSEDRAG1_STATUS_LEFT;
                    802:                                if (where == STATUS_RIGHT)
                    803:                                        key = KEYC_MOUSEDRAG1_STATUS_RIGHT;
1.274     nicm      804:                                if (where == STATUS_DEFAULT)
                    805:                                        key = KEYC_MOUSEDRAG1_STATUS_DEFAULT;
1.131     nicm      806:                                if (where == BORDER)
                    807:                                        key = KEYC_MOUSEDRAG1_BORDER;
                    808:                                break;
                    809:                        case 1:
                    810:                                if (where == PANE)
                    811:                                        key = KEYC_MOUSEDRAG2_PANE;
                    812:                                if (where == STATUS)
                    813:                                        key = KEYC_MOUSEDRAG2_STATUS;
1.258     nicm      814:                                if (where == STATUS_LEFT)
                    815:                                        key = KEYC_MOUSEDRAG2_STATUS_LEFT;
                    816:                                if (where == STATUS_RIGHT)
                    817:                                        key = KEYC_MOUSEDRAG2_STATUS_RIGHT;
1.274     nicm      818:                                if (where == STATUS_DEFAULT)
                    819:                                        key = KEYC_MOUSEDRAG2_STATUS_DEFAULT;
1.131     nicm      820:                                if (where == BORDER)
                    821:                                        key = KEYC_MOUSEDRAG2_BORDER;
                    822:                                break;
                    823:                        case 2:
                    824:                                if (where == PANE)
                    825:                                        key = KEYC_MOUSEDRAG3_PANE;
                    826:                                if (where == STATUS)
                    827:                                        key = KEYC_MOUSEDRAG3_STATUS;
1.258     nicm      828:                                if (where == STATUS_LEFT)
                    829:                                        key = KEYC_MOUSEDRAG3_STATUS_LEFT;
                    830:                                if (where == STATUS_RIGHT)
                    831:                                        key = KEYC_MOUSEDRAG3_STATUS_RIGHT;
1.274     nicm      832:                                if (where == STATUS_DEFAULT)
                    833:                                        key = KEYC_MOUSEDRAG3_STATUS_DEFAULT;
1.131     nicm      834:                                if (where == BORDER)
                    835:                                        key = KEYC_MOUSEDRAG3_BORDER;
                    836:                                break;
                    837:                        }
                    838:                }
1.66      nicm      839:
1.182     nicm      840:                /*
                    841:                 * Begin a drag by setting the flag to a non-zero value that
                    842:                 * corresponds to the mouse button in use.
                    843:                 */
                    844:                c->tty.mouse_drag_flag = MOUSE_BUTTONS(b) + 1;
1.131     nicm      845:                break;
                    846:        case WHEEL:
                    847:                if (MOUSE_BUTTONS(b) == MOUSE_WHEEL_UP) {
                    848:                        if (where == PANE)
                    849:                                key = KEYC_WHEELUP_PANE;
                    850:                        if (where == STATUS)
                    851:                                key = KEYC_WHEELUP_STATUS;
1.258     nicm      852:                        if (where == STATUS_LEFT)
                    853:                                key = KEYC_WHEELUP_STATUS_LEFT;
                    854:                        if (where == STATUS_RIGHT)
                    855:                                key = KEYC_WHEELUP_STATUS_RIGHT;
1.274     nicm      856:                        if (where == STATUS_DEFAULT)
                    857:                                key = KEYC_WHEELUP_STATUS_DEFAULT;
1.131     nicm      858:                        if (where == BORDER)
                    859:                                key = KEYC_WHEELUP_BORDER;
                    860:                } else {
                    861:                        if (where == PANE)
                    862:                                key = KEYC_WHEELDOWN_PANE;
                    863:                        if (where == STATUS)
                    864:                                key = KEYC_WHEELDOWN_STATUS;
1.274     nicm      865:                        if (where == STATUS_LEFT)
                    866:                                key = KEYC_WHEELDOWN_STATUS_LEFT;
                    867:                        if (where == STATUS_RIGHT)
                    868:                                key = KEYC_WHEELDOWN_STATUS_RIGHT;
                    869:                        if (where == STATUS_DEFAULT)
                    870:                                key = KEYC_WHEELDOWN_STATUS_DEFAULT;
1.131     nicm      871:                        if (where == BORDER)
                    872:                                key = KEYC_WHEELDOWN_BORDER;
                    873:                }
                    874:                break;
                    875:        case UP:
                    876:                switch (MOUSE_BUTTONS(b)) {
                    877:                case 0:
                    878:                        if (where == PANE)
                    879:                                key = KEYC_MOUSEUP1_PANE;
                    880:                        if (where == STATUS)
                    881:                                key = KEYC_MOUSEUP1_STATUS;
1.258     nicm      882:                        if (where == STATUS_LEFT)
                    883:                                key = KEYC_MOUSEUP1_STATUS_LEFT;
                    884:                        if (where == STATUS_RIGHT)
                    885:                                key = KEYC_MOUSEUP1_STATUS_RIGHT;
1.274     nicm      886:                        if (where == STATUS_DEFAULT)
                    887:                                key = KEYC_MOUSEUP1_STATUS_DEFAULT;
1.131     nicm      888:                        if (where == BORDER)
                    889:                                key = KEYC_MOUSEUP1_BORDER;
                    890:                        break;
                    891:                case 1:
                    892:                        if (where == PANE)
                    893:                                key = KEYC_MOUSEUP2_PANE;
                    894:                        if (where == STATUS)
                    895:                                key = KEYC_MOUSEUP2_STATUS;
1.258     nicm      896:                        if (where == STATUS_LEFT)
                    897:                                key = KEYC_MOUSEUP2_STATUS_LEFT;
                    898:                        if (where == STATUS_RIGHT)
                    899:                                key = KEYC_MOUSEUP2_STATUS_RIGHT;
1.274     nicm      900:                        if (where == STATUS_DEFAULT)
                    901:                                key = KEYC_MOUSEUP2_STATUS_DEFAULT;
1.131     nicm      902:                        if (where == BORDER)
                    903:                                key = KEYC_MOUSEUP2_BORDER;
                    904:                        break;
                    905:                case 2:
                    906:                        if (where == PANE)
                    907:                                key = KEYC_MOUSEUP3_PANE;
                    908:                        if (where == STATUS)
                    909:                                key = KEYC_MOUSEUP3_STATUS;
1.258     nicm      910:                        if (where == STATUS_LEFT)
                    911:                                key = KEYC_MOUSEUP3_STATUS_LEFT;
                    912:                        if (where == STATUS_RIGHT)
                    913:                                key = KEYC_MOUSEUP3_STATUS_RIGHT;
1.274     nicm      914:                        if (where == STATUS_DEFAULT)
                    915:                                key = KEYC_MOUSEUP3_STATUS_DEFAULT;
1.131     nicm      916:                        if (where == BORDER)
                    917:                                key = KEYC_MOUSEUP3_BORDER;
                    918:                        break;
                    919:                }
                    920:                break;
                    921:        case DOWN:
                    922:                switch (MOUSE_BUTTONS(b)) {
                    923:                case 0:
                    924:                        if (where == PANE)
                    925:                                key = KEYC_MOUSEDOWN1_PANE;
                    926:                        if (where == STATUS)
                    927:                                key = KEYC_MOUSEDOWN1_STATUS;
1.258     nicm      928:                        if (where == STATUS_LEFT)
                    929:                                key = KEYC_MOUSEDOWN1_STATUS_LEFT;
                    930:                        if (where == STATUS_RIGHT)
                    931:                                key = KEYC_MOUSEDOWN1_STATUS_RIGHT;
1.274     nicm      932:                        if (where == STATUS_DEFAULT)
                    933:                                key = KEYC_MOUSEDOWN1_STATUS_DEFAULT;
1.131     nicm      934:                        if (where == BORDER)
                    935:                                key = KEYC_MOUSEDOWN1_BORDER;
                    936:                        break;
                    937:                case 1:
                    938:                        if (where == PANE)
                    939:                                key = KEYC_MOUSEDOWN2_PANE;
                    940:                        if (where == STATUS)
                    941:                                key = KEYC_MOUSEDOWN2_STATUS;
1.258     nicm      942:                        if (where == STATUS_LEFT)
                    943:                                key = KEYC_MOUSEDOWN2_STATUS_LEFT;
                    944:                        if (where == STATUS_RIGHT)
                    945:                                key = KEYC_MOUSEDOWN2_STATUS_RIGHT;
1.274     nicm      946:                        if (where == STATUS_DEFAULT)
                    947:                                key = KEYC_MOUSEDOWN2_STATUS_DEFAULT;
1.131     nicm      948:                        if (where == BORDER)
                    949:                                key = KEYC_MOUSEDOWN2_BORDER;
                    950:                        break;
                    951:                case 2:
                    952:                        if (where == PANE)
                    953:                                key = KEYC_MOUSEDOWN3_PANE;
                    954:                        if (where == STATUS)
                    955:                                key = KEYC_MOUSEDOWN3_STATUS;
1.258     nicm      956:                        if (where == STATUS_LEFT)
                    957:                                key = KEYC_MOUSEDOWN3_STATUS_LEFT;
                    958:                        if (where == STATUS_RIGHT)
                    959:                                key = KEYC_MOUSEDOWN3_STATUS_RIGHT;
1.274     nicm      960:                        if (where == STATUS_DEFAULT)
                    961:                                key = KEYC_MOUSEDOWN3_STATUS_DEFAULT;
1.131     nicm      962:                        if (where == BORDER)
                    963:                                key = KEYC_MOUSEDOWN3_BORDER;
1.311     nicm      964:                        break;
                    965:                }
                    966:                break;
                    967:        case SECOND:
                    968:                switch (MOUSE_BUTTONS(b)) {
                    969:                case 0:
                    970:                        if (where == PANE)
                    971:                                key = KEYC_SECONDCLICK1_PANE;
                    972:                        if (where == STATUS)
                    973:                                key = KEYC_SECONDCLICK1_STATUS;
                    974:                        if (where == STATUS_LEFT)
                    975:                                key = KEYC_SECONDCLICK1_STATUS_LEFT;
                    976:                        if (where == STATUS_RIGHT)
                    977:                                key = KEYC_SECONDCLICK1_STATUS_RIGHT;
                    978:                        if (where == STATUS_DEFAULT)
                    979:                                key = KEYC_SECONDCLICK1_STATUS_DEFAULT;
                    980:                        if (where == BORDER)
                    981:                                key = KEYC_SECONDCLICK1_BORDER;
                    982:                        break;
                    983:                case 1:
                    984:                        if (where == PANE)
                    985:                                key = KEYC_SECONDCLICK2_PANE;
                    986:                        if (where == STATUS)
                    987:                                key = KEYC_SECONDCLICK2_STATUS;
                    988:                        if (where == STATUS_LEFT)
                    989:                                key = KEYC_SECONDCLICK2_STATUS_LEFT;
                    990:                        if (where == STATUS_RIGHT)
                    991:                                key = KEYC_SECONDCLICK2_STATUS_RIGHT;
                    992:                        if (where == STATUS_DEFAULT)
                    993:                                key = KEYC_SECONDCLICK2_STATUS_DEFAULT;
                    994:                        if (where == BORDER)
                    995:                                key = KEYC_SECONDCLICK2_BORDER;
                    996:                        break;
                    997:                case 2:
                    998:                        if (where == PANE)
                    999:                                key = KEYC_SECONDCLICK3_PANE;
                   1000:                        if (where == STATUS)
                   1001:                                key = KEYC_SECONDCLICK3_STATUS;
                   1002:                        if (where == STATUS_LEFT)
                   1003:                                key = KEYC_SECONDCLICK3_STATUS_LEFT;
                   1004:                        if (where == STATUS_RIGHT)
                   1005:                                key = KEYC_SECONDCLICK3_STATUS_RIGHT;
                   1006:                        if (where == STATUS_DEFAULT)
                   1007:                                key = KEYC_SECONDCLICK3_STATUS_DEFAULT;
                   1008:                        if (where == BORDER)
                   1009:                                key = KEYC_SECONDCLICK3_BORDER;
1.131     nicm     1010:                        break;
1.66      nicm     1011:                }
1.131     nicm     1012:                break;
1.192     nicm     1013:        case DOUBLE:
                   1014:                switch (MOUSE_BUTTONS(b)) {
                   1015:                case 0:
                   1016:                        if (where == PANE)
                   1017:                                key = KEYC_DOUBLECLICK1_PANE;
                   1018:                        if (where == STATUS)
                   1019:                                key = KEYC_DOUBLECLICK1_STATUS;
1.258     nicm     1020:                        if (where == STATUS_LEFT)
                   1021:                                key = KEYC_DOUBLECLICK1_STATUS_LEFT;
                   1022:                        if (where == STATUS_RIGHT)
                   1023:                                key = KEYC_DOUBLECLICK1_STATUS_RIGHT;
1.274     nicm     1024:                        if (where == STATUS_DEFAULT)
                   1025:                                key = KEYC_DOUBLECLICK1_STATUS_DEFAULT;
1.192     nicm     1026:                        if (where == BORDER)
                   1027:                                key = KEYC_DOUBLECLICK1_BORDER;
                   1028:                        break;
                   1029:                case 1:
                   1030:                        if (where == PANE)
                   1031:                                key = KEYC_DOUBLECLICK2_PANE;
                   1032:                        if (where == STATUS)
                   1033:                                key = KEYC_DOUBLECLICK2_STATUS;
1.258     nicm     1034:                        if (where == STATUS_LEFT)
                   1035:                                key = KEYC_DOUBLECLICK2_STATUS_LEFT;
                   1036:                        if (where == STATUS_RIGHT)
                   1037:                                key = KEYC_DOUBLECLICK2_STATUS_RIGHT;
1.274     nicm     1038:                        if (where == STATUS_DEFAULT)
                   1039:                                key = KEYC_DOUBLECLICK2_STATUS_DEFAULT;
1.192     nicm     1040:                        if (where == BORDER)
                   1041:                                key = KEYC_DOUBLECLICK2_BORDER;
                   1042:                        break;
                   1043:                case 2:
                   1044:                        if (where == PANE)
                   1045:                                key = KEYC_DOUBLECLICK3_PANE;
                   1046:                        if (where == STATUS)
                   1047:                                key = KEYC_DOUBLECLICK3_STATUS;
1.258     nicm     1048:                        if (where == STATUS_LEFT)
                   1049:                                key = KEYC_DOUBLECLICK3_STATUS_LEFT;
                   1050:                        if (where == STATUS_RIGHT)
                   1051:                                key = KEYC_DOUBLECLICK3_STATUS_RIGHT;
1.274     nicm     1052:                        if (where == STATUS_DEFAULT)
                   1053:                                key = KEYC_DOUBLECLICK3_STATUS_DEFAULT;
1.192     nicm     1054:                        if (where == BORDER)
                   1055:                                key = KEYC_DOUBLECLICK3_BORDER;
                   1056:                        break;
                   1057:                }
                   1058:                break;
                   1059:        case TRIPLE:
                   1060:                switch (MOUSE_BUTTONS(b)) {
                   1061:                case 0:
                   1062:                        if (where == PANE)
                   1063:                                key = KEYC_TRIPLECLICK1_PANE;
                   1064:                        if (where == STATUS)
                   1065:                                key = KEYC_TRIPLECLICK1_STATUS;
1.258     nicm     1066:                        if (where == STATUS_LEFT)
                   1067:                                key = KEYC_TRIPLECLICK1_STATUS_LEFT;
                   1068:                        if (where == STATUS_RIGHT)
                   1069:                                key = KEYC_TRIPLECLICK1_STATUS_RIGHT;
1.274     nicm     1070:                        if (where == STATUS_DEFAULT)
                   1071:                                key = KEYC_TRIPLECLICK1_STATUS_DEFAULT;
1.192     nicm     1072:                        if (where == BORDER)
                   1073:                                key = KEYC_TRIPLECLICK1_BORDER;
                   1074:                        break;
                   1075:                case 1:
                   1076:                        if (where == PANE)
                   1077:                                key = KEYC_TRIPLECLICK2_PANE;
                   1078:                        if (where == STATUS)
                   1079:                                key = KEYC_TRIPLECLICK2_STATUS;
1.258     nicm     1080:                        if (where == STATUS_LEFT)
                   1081:                                key = KEYC_TRIPLECLICK2_STATUS_LEFT;
                   1082:                        if (where == STATUS_RIGHT)
                   1083:                                key = KEYC_TRIPLECLICK2_STATUS_RIGHT;
1.274     nicm     1084:                        if (where == STATUS_DEFAULT)
                   1085:                                key = KEYC_TRIPLECLICK2_STATUS_DEFAULT;
1.192     nicm     1086:                        if (where == BORDER)
                   1087:                                key = KEYC_TRIPLECLICK2_BORDER;
                   1088:                        break;
                   1089:                case 2:
                   1090:                        if (where == PANE)
                   1091:                                key = KEYC_TRIPLECLICK3_PANE;
                   1092:                        if (where == STATUS)
                   1093:                                key = KEYC_TRIPLECLICK3_STATUS;
1.258     nicm     1094:                        if (where == STATUS_LEFT)
                   1095:                                key = KEYC_TRIPLECLICK3_STATUS_LEFT;
                   1096:                        if (where == STATUS_RIGHT)
                   1097:                                key = KEYC_TRIPLECLICK3_STATUS_RIGHT;
1.274     nicm     1098:                        if (where == STATUS_DEFAULT)
                   1099:                                key = KEYC_TRIPLECLICK3_STATUS_DEFAULT;
1.192     nicm     1100:                        if (where == BORDER)
                   1101:                                key = KEYC_TRIPLECLICK3_BORDER;
                   1102:                        break;
                   1103:                }
                   1104:                break;
1.66      nicm     1105:        }
1.177     nicm     1106:        if (key == KEYC_UNKNOWN)
                   1107:                return (KEYC_UNKNOWN);
1.66      nicm     1108:
1.305     nicm     1109: out:
1.131     nicm     1110:        /* Apply modifiers if any. */
                   1111:        if (b & MOUSE_MASK_META)
1.342     nicm     1112:                key |= KEYC_META;
1.131     nicm     1113:        if (b & MOUSE_MASK_CTRL)
                   1114:                key |= KEYC_CTRL;
                   1115:        if (b & MOUSE_MASK_SHIFT)
                   1116:                key |= KEYC_SHIFT;
1.66      nicm     1117:
1.305     nicm     1118:        if (log_get_level() != 0)
1.343     nicm     1119:                log_debug("mouse key is %s", key_string_lookup_key (key, 1));
1.131     nicm     1120:        return (key);
1.66      nicm     1121: }
                   1122:
1.82      nicm     1123: /* Is this fast enough to probably be a paste? */
1.190     nicm     1124: static int
1.82      nicm     1125: server_client_assume_paste(struct session *s)
                   1126: {
                   1127:        struct timeval  tv;
1.84      nicm     1128:        int             t;
1.82      nicm     1129:
1.163     nicm     1130:        if ((t = options_get_number(s->options, "assume-paste-time")) == 0)
1.83      nicm     1131:                return (0);
1.82      nicm     1132:
                   1133:        timersub(&s->activity_time, &s->last_activity_time, &tv);
1.171     nicm     1134:        if (tv.tv_sec == 0 && tv.tv_usec < t * 1000) {
                   1135:                log_debug("session %s pasting (flag %d)", s->name,
                   1136:                    !!(s->flags & SESSION_PASTING));
                   1137:                if (s->flags & SESSION_PASTING)
                   1138:                        return (1);
                   1139:                s->flags |= SESSION_PASTING;
                   1140:                return (0);
                   1141:        }
                   1142:        log_debug("session %s not pasting", s->name);
                   1143:        s->flags &= ~SESSION_PASTING;
1.83      nicm     1144:        return (0);
1.82      nicm     1145: }
                   1146:
1.295     nicm     1147: /* Has the latest client changed? */
                   1148: static void
                   1149: server_client_update_latest(struct client *c)
                   1150: {
                   1151:        struct window   *w;
                   1152:
                   1153:        if (c->session == NULL)
                   1154:                return;
                   1155:        w = c->session->curw->window;
                   1156:
                   1157:        if (w->latest == c)
                   1158:                return;
                   1159:        w->latest = c;
                   1160:
                   1161:        if (options_get_number(w->options, "window-size") == WINDOW_SIZE_LATEST)
1.355     nicm     1162:                recalculate_size(w, 0);
1.377     nicm     1163:
                   1164:        notify_client("client-active", c);
1.295     nicm     1165: }
                   1166:
1.276     nicm     1167: /*
                   1168:  * Handle data key input from client. This owns and can modify the key event it
                   1169:  * is given and is responsible for freeing it.
                   1170:  */
1.280     nicm     1171: static enum cmd_retval
1.276     nicm     1172: server_client_key_callback(struct cmdq_item *item, void *data)
1.18      nicm     1173: {
1.316     nicm     1174:        struct client                   *c = cmdq_get_client(item);
1.276     nicm     1175:        struct key_event                *event = data;
                   1176:        key_code                         key = event->key;
                   1177:        struct mouse_event              *m = &event->m;
1.267     nicm     1178:        struct session                  *s = c->session;
                   1179:        struct winlink                  *wl;
                   1180:        struct window_pane              *wp;
                   1181:        struct window_mode_entry        *wme;
                   1182:        struct timeval                   tv;
                   1183:        struct key_table                *table, *first;
                   1184:        struct key_binding              *bd;
                   1185:        int                              xtimeout, flags;
                   1186:        struct cmd_find_state            fs;
                   1187:        key_code                         key0;
1.18      nicm     1188:
                   1189:        /* Check the client is good to accept input. */
1.303     nicm     1190:        if (s == NULL || (c->flags & CLIENT_UNATTACHEDFLAGS))
1.276     nicm     1191:                goto out;
1.264     nicm     1192:        wl = s->curw;
1.18      nicm     1193:
                   1194:        /* Update the activity timer. */
                   1195:        if (gettimeofday(&c->activity_time, NULL) != 0)
                   1196:                fatal("gettimeofday failed");
1.149     nicm     1197:        session_update_activity(s, &c->activity_time);
1.18      nicm     1198:
                   1199:        /* Check for mouse keys. */
1.204     nicm     1200:        m->valid = 0;
1.306     nicm     1201:        if (key == KEYC_MOUSE || key == KEYC_DOUBLECLICK) {
1.30      nicm     1202:                if (c->flags & CLIENT_READONLY)
1.276     nicm     1203:                        goto out;
                   1204:                key = server_client_check_mouse(c, event);
1.177     nicm     1205:                if (key == KEYC_UNKNOWN)
1.276     nicm     1206:                        goto out;
1.131     nicm     1207:
                   1208:                m->valid = 1;
                   1209:                m->key = key;
1.203     nicm     1210:
                   1211:                /*
1.204     nicm     1212:                 * Mouse drag is in progress, so fire the callback (now that
                   1213:                 * the mouse event is valid).
1.203     nicm     1214:                 */
1.305     nicm     1215:                if ((key & KEYC_MASK_KEY) == KEYC_DRAGGING) {
1.204     nicm     1216:                        c->tty.mouse_drag_update(c, m);
1.276     nicm     1217:                        goto out;
1.204     nicm     1218:                }
1.338     nicm     1219:                event->key = key;
1.276     nicm     1220:        }
1.18      nicm     1221:
1.202     nicm     1222:        /* Find affected pane. */
1.243     nicm     1223:        if (!KEYC_IS_MOUSE(key) || cmd_find_from_mouse(&fs, m, 0) != 0)
1.341     nicm     1224:                cmd_find_from_client(&fs, c, 0);
1.227     nicm     1225:        wp = fs.wp;
1.202     nicm     1226:
                   1227:        /* Forward mouse keys if disabled. */
1.206     nicm     1228:        if (KEYC_IS_MOUSE(key) && !options_get_number(s->options, "mouse"))
1.253     nicm     1229:                goto forward_key;
1.202     nicm     1230:
1.132     nicm     1231:        /* Treat everything as a regular key when pasting is detected. */
1.161     nicm     1232:        if (!KEYC_IS_MOUSE(key) && server_client_assume_paste(s))
1.253     nicm     1233:                goto forward_key;
1.18      nicm     1234:
1.191     nicm     1235:        /*
                   1236:         * Work out the current key table. If the pane is in a mode, use
                   1237:         * the mode table instead of the default key table.
                   1238:         */
1.223     nicm     1239:        if (server_client_is_default_key_table(c, c->keytable) &&
                   1240:            wp != NULL &&
1.267     nicm     1241:            (wme = TAILQ_FIRST(&wp->modes)) != NULL &&
                   1242:            wme->mode->key_table != NULL)
                   1243:                table = key_bindings_get_table(wme->mode->key_table(wme), 1);
1.223     nicm     1244:        else
1.191     nicm     1245:                table = c->keytable;
1.223     nicm     1246:        first = table;
1.191     nicm     1247:
1.253     nicm     1248: table_changed:
1.205     nicm     1249:        /*
                   1250:         * The prefix always takes precedence and forces a switch to the prefix
                   1251:         * table, unless we are already there.
                   1252:         */
1.343     nicm     1253:        key0 = (key & (KEYC_MASK_KEY|KEYC_MASK_MODIFIERS));
1.239     nicm     1254:        if ((key0 == (key_code)options_get_number(s->options, "prefix") ||
                   1255:            key0 == (key_code)options_get_number(s->options, "prefix2")) &&
1.205     nicm     1256:            strcmp(table->name, "prefix") != 0) {
                   1257:                server_client_set_key_table(c, "prefix");
                   1258:                server_status_client(c);
1.276     nicm     1259:                goto out;
1.205     nicm     1260:        }
1.238     nicm     1261:        flags = c->flags;
1.205     nicm     1262:
1.262     nicm     1263: try_again:
1.223     nicm     1264:        /* Log key table. */
                   1265:        if (wp == NULL)
                   1266:                log_debug("key table %s (no pane)", table->name);
                   1267:        else
                   1268:                log_debug("key table %s (pane %%%u)", table->name, wp->id);
1.225     nicm     1269:        if (c->flags & CLIENT_REPEAT)
                   1270:                log_debug("currently repeating");
1.223     nicm     1271:
1.132     nicm     1272:        /* Try to see if there is a key binding in the current table. */
1.254     nicm     1273:        bd = key_bindings_get(table, key0);
1.132     nicm     1274:        if (bd != NULL) {
                   1275:                /*
                   1276:                 * Key was matched in this table. If currently repeating but a
                   1277:                 * non-repeating binding was found, stop repeating and try
                   1278:                 * again in the root table.
                   1279:                 */
1.222     nicm     1280:                if ((c->flags & CLIENT_REPEAT) &&
                   1281:                    (~bd->flags & KEY_BINDING_REPEAT)) {
1.262     nicm     1282:                        log_debug("found in key table %s (not repeating)",
                   1283:                            table->name);
1.178     nicm     1284:                        server_client_set_key_table(c, NULL);
1.262     nicm     1285:                        first = table = c->keytable;
1.132     nicm     1286:                        c->flags &= ~CLIENT_REPEAT;
1.85      nicm     1287:                        server_status_client(c);
1.253     nicm     1288:                        goto table_changed;
1.18      nicm     1289:                }
1.223     nicm     1290:                log_debug("found in key table %s", table->name);
1.82      nicm     1291:
1.132     nicm     1292:                /*
                   1293:                 * Take a reference to this table to make sure the key binding
                   1294:                 * doesn't disappear.
                   1295:                 */
                   1296:                table->references++;
                   1297:
                   1298:                /*
                   1299:                 * If this is a repeating key, start the timer. Otherwise reset
                   1300:                 * the client back to the root table.
                   1301:                 */
1.163     nicm     1302:                xtimeout = options_get_number(s->options, "repeat-time");
1.222     nicm     1303:                if (xtimeout != 0 && (bd->flags & KEY_BINDING_REPEAT)) {
1.132     nicm     1304:                        c->flags |= CLIENT_REPEAT;
                   1305:
                   1306:                        tv.tv_sec = xtimeout / 1000;
                   1307:                        tv.tv_usec = (xtimeout % 1000) * 1000L;
                   1308:                        evtimer_del(&c->repeat_timer);
                   1309:                        evtimer_add(&c->repeat_timer, &tv);
                   1310:                } else {
1.18      nicm     1311:                        c->flags &= ~CLIENT_REPEAT;
1.178     nicm     1312:                        server_client_set_key_table(c, NULL);
1.18      nicm     1313:                }
1.132     nicm     1314:                server_status_client(c);
                   1315:
1.227     nicm     1316:                /* Execute the key binding. */
1.317     nicm     1317:                key_bindings_dispatch(bd, item, c, event, &fs);
1.132     nicm     1318:                key_bindings_unref_table(table);
1.276     nicm     1319:                goto out;
1.18      nicm     1320:        }
                   1321:
1.132     nicm     1322:        /*
1.253     nicm     1323:         * No match, try the ANY key.
                   1324:         */
                   1325:        if (key0 != KEYC_ANY) {
                   1326:                key0 = KEYC_ANY;
                   1327:                goto try_again;
                   1328:        }
                   1329:
                   1330:        /*
1.223     nicm     1331:         * No match in this table. If not in the root table or if repeating,
                   1332:         * switch the client back to the root table and try again.
1.132     nicm     1333:         */
1.223     nicm     1334:        log_debug("not found in key table %s", table->name);
                   1335:        if (!server_client_is_default_key_table(c, table) ||
                   1336:            (c->flags & CLIENT_REPEAT)) {
1.262     nicm     1337:                log_debug("trying in root table");
1.178     nicm     1338:                server_client_set_key_table(c, NULL);
1.262     nicm     1339:                table = c->keytable;
                   1340:                if (c->flags & CLIENT_REPEAT)
                   1341:                        first = table;
1.18      nicm     1342:                c->flags &= ~CLIENT_REPEAT;
1.132     nicm     1343:                server_status_client(c);
1.253     nicm     1344:                goto table_changed;
1.18      nicm     1345:        }
                   1346:
1.223     nicm     1347:        /*
                   1348:         * No match in the root table either. If this wasn't the first table
                   1349:         * tried, don't pass the key to the pane.
                   1350:         */
1.238     nicm     1351:        if (first != table && (~flags & CLIENT_REPEAT)) {
1.178     nicm     1352:                server_client_set_key_table(c, NULL);
1.132     nicm     1353:                server_status_client(c);
1.276     nicm     1354:                goto out;
1.161     nicm     1355:        }
                   1356:
1.253     nicm     1357: forward_key:
1.161     nicm     1358:        if (c->flags & CLIENT_READONLY)
1.276     nicm     1359:                goto out;
1.161     nicm     1360:        if (wp != NULL)
1.264     nicm     1361:                window_pane_key(wp, c, s, wl, key, m);
1.276     nicm     1362:
                   1363: out:
1.347     nicm     1364:        if (s != NULL && key != KEYC_FOCUS_OUT)
1.295     nicm     1365:                server_client_update_latest(c);
1.276     nicm     1366:        free(event);
                   1367:        return (CMD_RETURN_NORMAL);
1.280     nicm     1368: }
                   1369:
                   1370: /* Handle a key event. */
                   1371: int
                   1372: server_client_handle_key(struct client *c, struct key_event *event)
                   1373: {
                   1374:        struct session          *s = c->session;
                   1375:        struct cmdq_item        *item;
                   1376:
                   1377:        /* Check the client is good to accept input. */
1.303     nicm     1378:        if (s == NULL || (c->flags & CLIENT_UNATTACHEDFLAGS))
1.280     nicm     1379:                return (0);
                   1380:
                   1381:        /*
1.291     nicm     1382:         * Key presses in overlay mode and the command prompt are a special
                   1383:         * case. The queue might be blocked so they need to be processed
                   1384:         * immediately rather than queued.
1.280     nicm     1385:         */
1.291     nicm     1386:        if (~c->flags & CLIENT_READONLY) {
1.372     nicm     1387:                if (c->message_string != NULL) {
                   1388:                        if (c->message_ignore_keys)
                   1389:                                return (0);
                   1390:                        status_message_clear(c);
                   1391:                }
1.291     nicm     1392:                if (c->overlay_key != NULL) {
1.380   ! nicm     1393:                        switch (c->overlay_key(c, c->overlay_data, event)) {
1.291     nicm     1394:                        case 0:
                   1395:                                return (0);
                   1396:                        case 1:
                   1397:                                server_client_clear_overlay(c);
                   1398:                                return (0);
                   1399:                        }
1.290     nicm     1400:                }
1.293     nicm     1401:                server_client_clear_overlay(c);
1.335     nicm     1402:                if (c->prompt_string != NULL) {
                   1403:                        if (status_prompt_key(c, event->key) == 0)
                   1404:                                return (0);
                   1405:                }
1.280     nicm     1406:        }
                   1407:
                   1408:        /*
                   1409:         * Add the key to the queue so it happens after any commands queued by
                   1410:         * previous keys.
                   1411:         */
                   1412:        item = cmdq_get_callback(server_client_key_callback, event);
                   1413:        cmdq_append(c, item);
                   1414:        return (1);
1.18      nicm     1415: }
                   1416:
1.2       nicm     1417: /* Client functions that need to happen every loop. */
                   1418: void
                   1419: server_client_loop(void)
                   1420: {
                   1421:        struct client           *c;
                   1422:        struct window           *w;
                   1423:        struct window_pane      *wp;
1.344     nicm     1424:
                   1425:        /* Check for window resize. This is done before redrawing. */
                   1426:        RB_FOREACH(w, windows, &windows)
                   1427:                server_client_check_window_resize(w);
1.2       nicm     1428:
1.344     nicm     1429:        /* Check clients. */
1.135     nicm     1430:        TAILQ_FOREACH(c, &clients, entry) {
1.36      nicm     1431:                server_client_check_exit(c);
                   1432:                if (c->session != NULL) {
1.366     nicm     1433:                        server_client_check_modes(c);
1.36      nicm     1434:                        server_client_check_redraw(c);
                   1435:                        server_client_reset_state(c);
                   1436:                }
1.2       nicm     1437:        }
                   1438:
                   1439:        /*
                   1440:         * Any windows will have been redrawn as part of clients, so clear
1.379     nicm     1441:         * their flags now.
1.2       nicm     1442:         */
1.134     nicm     1443:        RB_FOREACH(w, windows, &windows) {
1.91      nicm     1444:                TAILQ_FOREACH(wp, &w->panes, entry) {
1.289     nicm     1445:                        if (wp->fd != -1) {
1.344     nicm     1446:                                server_client_check_pane_resize(wp);
1.345     nicm     1447:                                server_client_check_pane_buffer(wp);
1.101     nicm     1448:                        }
1.326     nicm     1449:                        wp->flags &= ~PANE_REDRAW;
1.91      nicm     1450:                }
1.150     nicm     1451:                check_window_name(w);
1.2       nicm     1452:        }
1.92      nicm     1453: }
                   1454:
1.344     nicm     1455: /* Check if window needs to be resized. */
                   1456: static void
                   1457: server_client_check_window_resize(struct window *w)
                   1458: {
                   1459:        struct winlink  *wl;
                   1460:
                   1461:        if (~w->flags & WINDOW_RESIZE)
                   1462:                return;
                   1463:
                   1464:        TAILQ_FOREACH(wl, &w->winlinks, wentry) {
                   1465:                if (wl->session->attached != 0 && wl->session->curw == wl)
                   1466:                        break;
                   1467:        }
                   1468:        if (wl == NULL)
                   1469:                return;
                   1470:
                   1471:        log_debug("%s: resizing window @%u", __func__, w->id);
                   1472:        resize_window(w, w->new_sx, w->new_sy, w->new_xpixel, w->new_ypixel);
                   1473: }
                   1474:
1.356     nicm     1475: /* Resize timer event. */
1.188     nicm     1476: static void
1.356     nicm     1477: server_client_resize_timer(__unused int fd, __unused short events, void *data)
1.92      nicm     1478: {
1.356     nicm     1479:        struct window_pane      *wp = data;
1.92      nicm     1480:
1.356     nicm     1481:        log_debug("%s: %%%u resize timer expired", __func__, wp->id);
                   1482:        evtimer_del(&wp->resize_timer);
1.188     nicm     1483: }
                   1484:
1.374     nicm     1485: /* Check if pane should be resized. */
1.294     nicm     1486: static void
1.374     nicm     1487: server_client_check_pane_resize(struct window_pane *wp)
1.294     nicm     1488: {
1.374     nicm     1489:        struct window_pane_resize       *r;
                   1490:        struct window_pane_resize       *r1;
                   1491:        struct window_pane_resize       *first;
                   1492:        struct window_pane_resize       *last;
                   1493:        struct timeval                   tv = { .tv_usec = 250000 };
1.294     nicm     1494:
1.374     nicm     1495:        if (TAILQ_EMPTY(&wp->resize_queue))
                   1496:                return;
1.294     nicm     1497:
1.356     nicm     1498:        if (!event_initialized(&wp->resize_timer))
                   1499:                evtimer_set(&wp->resize_timer, server_client_resize_timer, wp);
1.374     nicm     1500:        if (evtimer_pending(&wp->resize_timer, NULL))
                   1501:                return;
1.356     nicm     1502:
                   1503:        log_debug("%s: %%%u needs to be resized", __func__, wp->id);
1.374     nicm     1504:        TAILQ_FOREACH(r, &wp->resize_queue, entry) {
                   1505:                log_debug("queued resize: %ux%u -> %ux%u", r->osx, r->osy,
                   1506:                    r->sx, r->sy);
1.356     nicm     1507:        }
1.188     nicm     1508:
1.374     nicm     1509:        /*
                   1510:         * There are three cases that matter:
                   1511:         *
                   1512:         * - Only one resize. It can just be applied.
                   1513:         *
                   1514:         * - Multiple resizes and the ending size is different from the
                   1515:         *   starting size. We can discard all resizes except the most recent.
                   1516:         *
                   1517:         * - Multiple resizes and the ending size is the same as the starting
                   1518:         *   size. We must resize at least twice to force the application to
                   1519:         *   redraw. So apply the first and leave the last on the queue for
                   1520:         *   next time.
                   1521:         */
                   1522:        first = TAILQ_FIRST(&wp->resize_queue);
                   1523:        last = TAILQ_LAST(&wp->resize_queue, window_pane_resizes);
                   1524:        if (first == last) {
                   1525:                /* Only one resize. */
                   1526:                window_pane_send_resize(wp, first->sx, first->sy);
                   1527:                TAILQ_REMOVE(&wp->resize_queue, first, entry);
                   1528:                free(first);
                   1529:        } else if (last->sx != first->osx || last->sy != first->osy) {
                   1530:                /* Multiple resizes ending up with a different size. */
                   1531:                window_pane_send_resize(wp, last->sx, last->sy);
                   1532:                TAILQ_FOREACH_SAFE(r, &wp->resize_queue, entry, r1) {
                   1533:                        TAILQ_REMOVE(&wp->resize_queue, r, entry);
                   1534:                        free(r);
                   1535:                }
1.356     nicm     1536:        } else {
                   1537:                /*
1.374     nicm     1538:                 * Multiple resizes ending up with the same size. There will
                   1539:                 * not be more than one to the same size in succession so we
                   1540:                 * can just use the last-but-one on the list and leave the last
                   1541:                 * for later. We reduce the time until the next check to avoid
                   1542:                 * a long delay between the resizes.
1.356     nicm     1543:                 */
1.374     nicm     1544:                r = TAILQ_PREV(last, window_pane_resizes, entry);
                   1545:                window_pane_send_resize(wp, r->sx, r->sy);
                   1546:                TAILQ_FOREACH_SAFE(r, &wp->resize_queue, entry, r1) {
                   1547:                        if (r == last)
                   1548:                                break;
                   1549:                        TAILQ_REMOVE(&wp->resize_queue, r, entry);
                   1550:                        free(r);
1.356     nicm     1551:                }
1.374     nicm     1552:                tv.tv_usec = 10000;
1.356     nicm     1553:        }
1.374     nicm     1554:        evtimer_add(&wp->resize_timer, &tv);
1.345     nicm     1555: }
1.374     nicm     1556:
1.345     nicm     1557:
                   1558: /* Check pane buffer size. */
                   1559: static void
                   1560: server_client_check_pane_buffer(struct window_pane *wp)
                   1561: {
                   1562:        struct evbuffer                 *evb = wp->event->input;
                   1563:        size_t                           minimum;
                   1564:        struct client                   *c;
1.346     nicm     1565:        struct window_pane_offset       *wpo;
                   1566:        int                              off = 1, flag;
                   1567:        u_int                            attached_clients = 0;
1.353     nicm     1568:        size_t                           new_size;
1.345     nicm     1569:
                   1570:        /*
1.352     nicm     1571:         * Work out the minimum used size. This is the most that can be removed
                   1572:         * from the buffer.
1.345     nicm     1573:         */
1.352     nicm     1574:        minimum = wp->offset.used;
                   1575:        if (wp->pipe_fd != -1 && wp->pipe_offset.used < minimum)
                   1576:                minimum = wp->pipe_offset.used;
1.345     nicm     1577:        TAILQ_FOREACH(c, &clients, entry) {
                   1578:                if (c->session == NULL)
                   1579:                        continue;
1.346     nicm     1580:                attached_clients++;
                   1581:
                   1582:                if (~c->flags & CLIENT_CONTROL) {
1.345     nicm     1583:                        off = 0;
                   1584:                        continue;
                   1585:                }
1.346     nicm     1586:                wpo = control_pane_offset(c, wp, &flag);
                   1587:                if (wpo == NULL) {
1.345     nicm     1588:                        off = 0;
1.346     nicm     1589:                        continue;
                   1590:                }
                   1591:                if (!flag)
                   1592:                        off = 0;
                   1593:
1.353     nicm     1594:                window_pane_get_new_data(wp, wpo, &new_size);
                   1595:                log_debug("%s: %s has %zu bytes used and %zu left for %%%u",
                   1596:                    __func__, c->name, wpo->used - wp->base_offset, new_size,
                   1597:                    wp->id);
                   1598:                if (wpo->used < minimum)
1.352     nicm     1599:                        minimum = wpo->used;
1.345     nicm     1600:        }
1.346     nicm     1601:        if (attached_clients == 0)
                   1602:                off = 0;
1.345     nicm     1603:        minimum -= wp->base_offset;
                   1604:        if (minimum == 0)
                   1605:                goto out;
                   1606:
                   1607:        /* Drain the buffer. */
1.352     nicm     1608:        log_debug("%s: %%%u has %zu minimum (of %zu) bytes used", __func__,
                   1609:            wp->id, minimum, EVBUFFER_LENGTH(evb));
1.345     nicm     1610:        evbuffer_drain(evb, minimum);
                   1611:
                   1612:        /*
                   1613:         * Adjust the base offset. If it would roll over, all the offsets into
                   1614:         * the buffer need to be adjusted.
                   1615:         */
                   1616:        if (wp->base_offset > SIZE_MAX - minimum) {
                   1617:                log_debug("%s: %%%u base offset has wrapped", __func__, wp->id);
                   1618:                wp->offset.used -= wp->base_offset;
1.352     nicm     1619:                if (wp->pipe_fd != -1)
1.345     nicm     1620:                        wp->pipe_offset.used -= wp->base_offset;
                   1621:                TAILQ_FOREACH(c, &clients, entry) {
                   1622:                        if (c->session == NULL || (~c->flags & CLIENT_CONTROL))
                   1623:                                continue;
1.346     nicm     1624:                        wpo = control_pane_offset(c, wp, &flag);
1.352     nicm     1625:                        if (wpo != NULL && !flag)
1.346     nicm     1626:                                wpo->used -= wp->base_offset;
1.345     nicm     1627:                }
                   1628:                wp->base_offset = minimum;
                   1629:        } else
                   1630:                wp->base_offset += minimum;
                   1631:
                   1632: out:
                   1633:        /*
                   1634:         * If there is data remaining, and there are no clients able to consume
1.351     nicm     1635:         * it, do not read any more. This is true when there are attached
                   1636:         * clients, all of which are control clients which are not able to
                   1637:         * accept any more data.
1.345     nicm     1638:         */
1.352     nicm     1639:        log_debug("%s: pane %%%u is %s", __func__, wp->id, off ? "off" : "on");
1.345     nicm     1640:        if (off)
                   1641:                bufferevent_disable(wp->event, EV_READ);
                   1642:        else
                   1643:                bufferevent_enable(wp->event, EV_READ);
1.91      nicm     1644: }
                   1645:
1.18      nicm     1646: /*
                   1647:  * Update cursor position and mode settings. The scroll region and attributes
                   1648:  * are cleared when idle (waiting for an event) as this is the most likely time
                   1649:  * a user may interrupt tmux, for example with ~^Z in ssh(1). This is a
                   1650:  * compromise between excessive resets and likelihood of an interrupt.
                   1651:  *
                   1652:  * tty_region/tty_reset/tty_update_mode already take care of not resetting
                   1653:  * things that are already in their default state.
                   1654:  */
1.190     nicm     1655: static void
1.18      nicm     1656: server_client_reset_state(struct client *c)
1.1       nicm     1657: {
1.332     nicm     1658:        struct tty              *tty = &c->tty;
1.18      nicm     1659:        struct window           *w = c->session->curw->window;
1.341     nicm     1660:        struct window_pane      *wp = server_client_get_pane(c), *loop;
1.336     nicm     1661:        struct screen           *s = NULL;
1.163     nicm     1662:        struct options          *oo = c->session->options;
1.336     nicm     1663:        int                      mode = 0, cursor, flags;
1.261     nicm     1664:        u_int                    cx = 0, cy = 0, ox, oy, sx, sy;
1.60      nicm     1665:
1.186     nicm     1666:        if (c->flags & (CLIENT_CONTROL|CLIENT_SUSPENDED))
1.86      nicm     1667:                return;
                   1668:
1.332     nicm     1669:        /* Disable the block flag. */
                   1670:        flags = (tty->flags & TTY_BLOCK);
                   1671:        tty->flags &= ~TTY_BLOCK;
                   1672:
1.309     nicm     1673:        /* Get mode from overlay if any, else from screen. */
                   1674:        if (c->overlay_draw != NULL) {
1.336     nicm     1675:                if (c->overlay_mode != NULL)
1.380   ! nicm     1676:                        s = c->overlay_mode(c, c->overlay_data, &cx, &cy);
1.336     nicm     1677:        } else
1.309     nicm     1678:                s = wp->screen;
1.336     nicm     1679:        if (s != NULL)
1.309     nicm     1680:                mode = s->mode;
1.375     nicm     1681:        if (log_get_level() != 0) {
                   1682:                log_debug("%s: client %s mode %s", __func__, c->name,
                   1683:                    screen_mode_to_string(mode));
                   1684:        }
1.309     nicm     1685:
                   1686:        /* Reset region and margin. */
1.332     nicm     1687:        tty_region_off(tty);
                   1688:        tty_margin_off(tty);
1.1       nicm     1689:
1.261     nicm     1690:        /* Move cursor to pane cursor and offset. */
1.309     nicm     1691:        if (c->overlay_draw == NULL) {
                   1692:                cursor = 0;
1.332     nicm     1693:                tty_window_offset(tty, &ox, &oy, &sx, &sy);
1.309     nicm     1694:                if (wp->xoff + s->cx >= ox && wp->xoff + s->cx <= ox + sx &&
                   1695:                    wp->yoff + s->cy >= oy && wp->yoff + s->cy <= oy + sy) {
                   1696:                        cursor = 1;
1.261     nicm     1697:
1.309     nicm     1698:                        cx = wp->xoff + s->cx - ox;
                   1699:                        cy = wp->yoff + s->cy - oy;
1.261     nicm     1700:
1.309     nicm     1701:                        if (status_at_line(c) == 0)
                   1702:                                cy += status_line_size(c);
                   1703:                }
                   1704:                if (!cursor)
                   1705:                        mode &= ~MODE_CURSOR;
1.261     nicm     1706:        }
1.332     nicm     1707:        log_debug("%s: cursor to %u,%u", __func__, cx, cy);
                   1708:        tty_cursor(tty, cx, cy);
1.1       nicm     1709:
1.50      nicm     1710:        /*
1.131     nicm     1711:         * Set mouse mode if requested. To support dragging, always use button
                   1712:         * mode.
1.57      nicm     1713:         */
1.209     nicm     1714:        if (options_get_number(oo, "mouse")) {
1.309     nicm     1715:                if (c->overlay_draw == NULL) {
1.363     nicm     1716:                        mode &= ~ALL_MOUSE_MODES;
1.309     nicm     1717:                        TAILQ_FOREACH(loop, &w->panes, entry) {
                   1718:                                if (loop->screen->mode & MODE_MOUSE_ALL)
                   1719:                                        mode |= MODE_MOUSE_ALL;
                   1720:                        }
1.209     nicm     1721:                }
                   1722:                if (~mode & MODE_MOUSE_ALL)
                   1723:                        mode |= MODE_MOUSE_BUTTON;
                   1724:        }
1.215     nicm     1725:
                   1726:        /* Clear bracketed paste mode if at the prompt. */
1.309     nicm     1727:        if (c->overlay_draw == NULL && c->prompt_string != NULL)
1.215     nicm     1728:                mode &= ~MODE_BRACKETPASTE;
1.48      nicm     1729:
                   1730:        /* Set the terminal mode and reset attributes. */
1.332     nicm     1731:        tty_update_mode(tty, mode, s);
                   1732:        tty_reset(tty);
1.330     nicm     1733:
1.332     nicm     1734:        /* All writing must be done, send a sync end (if it was started). */
                   1735:        tty_sync_end(tty);
                   1736:        tty->flags |= flags;
1.17      nicm     1737: }
                   1738:
                   1739: /* Repeat time callback. */
1.190     nicm     1740: static void
1.170     nicm     1741: server_client_repeat_timer(__unused int fd, __unused short events, void *data)
1.17      nicm     1742: {
                   1743:        struct client   *c = data;
                   1744:
1.85      nicm     1745:        if (c->flags & CLIENT_REPEAT) {
1.178     nicm     1746:                server_client_set_key_table(c, NULL);
1.132     nicm     1747:                c->flags &= ~CLIENT_REPEAT;
                   1748:                server_status_client(c);
1.85      nicm     1749:        }
1.192     nicm     1750: }
                   1751:
                   1752: /* Double-click callback. */
                   1753: static void
                   1754: server_client_click_timer(__unused int fd, __unused short events, void *data)
                   1755: {
1.306     nicm     1756:        struct client           *c = data;
                   1757:        struct key_event        *event;
                   1758:
                   1759:        log_debug("click timer expired");
1.192     nicm     1760:
1.306     nicm     1761:        if (c->flags & CLIENT_TRIPLECLICK) {
                   1762:                /*
                   1763:                 * Waiting for a third click that hasn't happened, so this must
                   1764:                 * have been a double click.
                   1765:                 */
                   1766:                event = xmalloc(sizeof *event);
                   1767:                event->key = KEYC_DOUBLECLICK;
                   1768:                memcpy(&event->m, &c->click_event, sizeof event->m);
                   1769:                if (!server_client_handle_key(c, event))
                   1770:                        free(event);
                   1771:        }
1.192     nicm     1772:        c->flags &= ~(CLIENT_DOUBLECLICK|CLIENT_TRIPLECLICK);
1.1       nicm     1773: }
                   1774:
1.36      nicm     1775: /* Check if client should be exited. */
1.190     nicm     1776: static void
1.36      nicm     1777: server_client_check_exit(struct client *c)
                   1778: {
1.300     nicm     1779:        struct client_file      *cf;
1.352     nicm     1780:        const char              *name = c->exit_session;
1.357     nicm     1781:        char                    *data;
                   1782:        size_t                   size, msize;
1.300     nicm     1783:
1.354     nicm     1784:        if (c->flags & (CLIENT_DEAD|CLIENT_EXITED))
                   1785:                return;
                   1786:        if (~c->flags & CLIENT_EXIT)
1.36      nicm     1787:                return;
                   1788:
1.352     nicm     1789:        if (c->flags & CLIENT_CONTROL) {
1.355     nicm     1790:                control_discard(c);
1.352     nicm     1791:                if (!control_all_done(c))
                   1792:                        return;
                   1793:        }
1.300     nicm     1794:        RB_FOREACH(cf, client_files, &c->files) {
                   1795:                if (EVBUFFER_LENGTH(cf->buffer) != 0)
                   1796:                        return;
                   1797:        }
1.286     nicm     1798:        c->flags |= CLIENT_EXITED;
1.352     nicm     1799:
                   1800:        switch (c->exit_type) {
                   1801:        case CLIENT_EXIT_RETURN:
1.367     nicm     1802:                if (c->exit_message != NULL)
1.357     nicm     1803:                        msize = strlen(c->exit_message) + 1;
1.367     nicm     1804:                else
                   1805:                        msize = 0;
                   1806:                size = (sizeof c->retval) + msize;
1.357     nicm     1807:                data = xmalloc(size);
                   1808:                memcpy(data, &c->retval, sizeof c->retval);
                   1809:                if (c->exit_message != NULL)
                   1810:                        memcpy(data + sizeof c->retval, c->exit_message, msize);
                   1811:                proc_send(c->peer, MSG_EXIT, -1, data, size);
                   1812:                free(data);
1.352     nicm     1813:                break;
                   1814:        case CLIENT_EXIT_SHUTDOWN:
                   1815:                proc_send(c->peer, MSG_SHUTDOWN, -1, NULL, 0);
                   1816:                break;
                   1817:        case CLIENT_EXIT_DETACH:
                   1818:                proc_send(c->peer, c->exit_msgtype, -1, name, strlen(name) + 1);
                   1819:                break;
                   1820:        }
                   1821:        free(c->exit_session);
1.357     nicm     1822:        free(c->exit_message);
1.38      nicm     1823: }
                   1824:
1.218     nicm     1825: /* Redraw timer callback. */
                   1826: static void
                   1827: server_client_redraw_timer(__unused int fd, __unused short events,
1.299     nicm     1828:     __unused void *data)
1.218     nicm     1829: {
                   1830:        log_debug("redraw timer fired");
1.366     nicm     1831: }
                   1832:
                   1833: /*
                   1834:  * Check if modes need to be updated. Only modes in the current window are
                   1835:  * updated and it is done when the status line is redrawn.
                   1836:  */
                   1837: static void
                   1838: server_client_check_modes(struct client *c)
                   1839: {
                   1840:        struct window                   *w = c->session->curw->window;
                   1841:        struct window_pane              *wp;
                   1842:        struct window_mode_entry        *wme;
                   1843:
                   1844:        if (c->flags & (CLIENT_CONTROL|CLIENT_SUSPENDED))
                   1845:                return;
                   1846:        if (~c->flags & CLIENT_REDRAWSTATUS)
                   1847:                return;
                   1848:        TAILQ_FOREACH(wp, &w->panes, entry) {
                   1849:                wme = TAILQ_FIRST(&wp->modes);
                   1850:                if (wme != NULL && wme->mode->update != NULL)
                   1851:                        wme->mode->update(wme);
                   1852:        }
1.218     nicm     1853: }
                   1854:
1.1       nicm     1855: /* Check for client redraws. */
1.190     nicm     1856: static void
1.1       nicm     1857: server_client_check_redraw(struct client *c)
                   1858: {
                   1859:        struct session          *s = c->session;
1.137     nicm     1860:        struct tty              *tty = &c->tty;
1.326     nicm     1861:        struct window           *w = c->session->curw->window;
1.1       nicm     1862:        struct window_pane      *wp;
1.325     nicm     1863:        int                      needed, flags, mode = tty->mode, new_flags = 0;
1.326     nicm     1864:        int                      redraw;
                   1865:        u_int                    bit = 0;
1.218     nicm     1866:        struct timeval           tv = { .tv_usec = 1000 };
                   1867:        static struct event      ev;
                   1868:        size_t                   left;
1.1       nicm     1869:
1.86      nicm     1870:        if (c->flags & (CLIENT_CONTROL|CLIENT_SUSPENDED))
1.79      nicm     1871:                return;
1.257     nicm     1872:        if (c->flags & CLIENT_ALLREDRAWFLAGS) {
1.325     nicm     1873:                log_debug("%s: redraw%s%s%s%s%s", c->name,
1.257     nicm     1874:                    (c->flags & CLIENT_REDRAWWINDOW) ? " window" : "",
                   1875:                    (c->flags & CLIENT_REDRAWSTATUS) ? " status" : "",
1.282     nicm     1876:                    (c->flags & CLIENT_REDRAWBORDERS) ? " borders" : "",
1.325     nicm     1877:                    (c->flags & CLIENT_REDRAWOVERLAY) ? " overlay" : "",
                   1878:                    (c->flags & CLIENT_REDRAWPANES) ? " panes" : "");
1.257     nicm     1879:        }
1.218     nicm     1880:
                   1881:        /*
                   1882:         * If there is outstanding data, defer the redraw until it has been
                   1883:         * consumed. We can just add a timer to get out of the event loop and
                   1884:         * end up back here.
                   1885:         */
                   1886:        needed = 0;
1.256     nicm     1887:        if (c->flags & CLIENT_ALLREDRAWFLAGS)
1.218     nicm     1888:                needed = 1;
                   1889:        else {
1.326     nicm     1890:                TAILQ_FOREACH(wp, &w->panes, entry) {
1.218     nicm     1891:                        if (wp->flags & PANE_REDRAW) {
                   1892:                                needed = 1;
                   1893:                                break;
                   1894:                        }
                   1895:                }
1.325     nicm     1896:                if (needed)
                   1897:                        new_flags |= CLIENT_REDRAWPANES;
1.218     nicm     1898:        }
1.241     nicm     1899:        if (needed && (left = EVBUFFER_LENGTH(tty->out)) != 0) {
                   1900:                log_debug("%s: redraw deferred (%zu left)", c->name, left);
                   1901:                if (!evtimer_initialized(&ev))
                   1902:                        evtimer_set(&ev, server_client_redraw_timer, NULL);
                   1903:                if (!evtimer_pending(&ev, NULL)) {
1.218     nicm     1904:                        log_debug("redraw timer started");
                   1905:                        evtimer_add(&ev, &tv);
1.241     nicm     1906:                }
1.327     nicm     1907:
                   1908:                if (~c->flags & CLIENT_REDRAWWINDOW) {
1.326     nicm     1909:                        TAILQ_FOREACH(wp, &w->panes, entry) {
1.327     nicm     1910:                                if (wp->flags & PANE_REDRAW) {
                   1911:                                        log_debug("%s: pane %%%u needs redraw",
                   1912:                                            c->name, wp->id);
1.326     nicm     1913:                                        c->redraw_panes |= (1 << bit);
1.327     nicm     1914:                                }
1.326     nicm     1915:                                if (++bit == 64) {
                   1916:                                        /*
                   1917:                                         * If more that 64 panes, give up and
                   1918:                                         * just redraw the window.
                   1919:                                         */
                   1920:                                        new_flags &= CLIENT_REDRAWPANES;
                   1921:                                        new_flags |= CLIENT_REDRAWWINDOW;
                   1922:                                        break;
                   1923:                                }
                   1924:                        }
1.327     nicm     1925:                        if (c->redraw_panes != 0)
                   1926:                                c->flags |= CLIENT_REDRAWPANES;
1.326     nicm     1927:                }
1.325     nicm     1928:                c->flags |= new_flags;
1.241     nicm     1929:                return;
                   1930:        } else if (needed)
1.218     nicm     1931:                log_debug("%s: redraw needed", c->name);
1.79      nicm     1932:
1.219     nicm     1933:        flags = tty->flags & (TTY_BLOCK|TTY_FREEZE|TTY_NOCURSOR);
1.326     nicm     1934:        tty->flags = (tty->flags & ~(TTY_BLOCK|TTY_FREEZE))|TTY_NOCURSOR;
1.137     nicm     1935:
1.256     nicm     1936:        if (~c->flags & CLIENT_REDRAWWINDOW) {
                   1937:                /*
                   1938:                 * If not redrawing the entire window, check whether each pane
                   1939:                 * needs to be redrawn.
                   1940:                 */
1.326     nicm     1941:                TAILQ_FOREACH(wp, &w->panes, entry) {
                   1942:                        redraw = 0;
                   1943:                        if (wp->flags & PANE_REDRAW)
                   1944:                                redraw = 1;
                   1945:                        else if (c->flags & CLIENT_REDRAWPANES)
                   1946:                                redraw = !!(c->redraw_panes & (1 << bit));
1.328     nicm     1947:                        bit++;
1.326     nicm     1948:                        if (!redraw)
                   1949:                                continue;
                   1950:                        log_debug("%s: redrawing pane %%%u", __func__, wp->id);
                   1951:                        screen_redraw_pane(c, wp);
1.1       nicm     1952:                }
1.331     nicm     1953:                c->redraw_panes = 0;
1.325     nicm     1954:                c->flags &= ~CLIENT_REDRAWPANES;
1.1       nicm     1955:        }
                   1956:
1.256     nicm     1957:        if (c->flags & CLIENT_ALLREDRAWFLAGS) {
                   1958:                if (options_get_number(s->options, "set-titles"))
                   1959:                        server_client_set_title(c);
                   1960:                screen_redraw_screen(c);
                   1961:        }
1.1       nicm     1962:
1.326     nicm     1963:        tty->flags = (tty->flags & ~TTY_NOCURSOR)|(flags & TTY_NOCURSOR);
1.320     nicm     1964:        tty_update_mode(tty, mode, NULL);
1.326     nicm     1965:        tty->flags = (tty->flags & ~(TTY_BLOCK|TTY_FREEZE|TTY_NOCURSOR))|flags;
1.1       nicm     1966:
1.256     nicm     1967:        c->flags &= ~(CLIENT_ALLREDRAWFLAGS|CLIENT_STATUSFORCE);
1.230     nicm     1968:
                   1969:        if (needed) {
                   1970:                /*
                   1971:                 * We would have deferred the redraw unless the output buffer
                   1972:                 * was empty, so we can record how many bytes the redraw
                   1973:                 * generated.
                   1974:                 */
                   1975:                c->redraw = EVBUFFER_LENGTH(tty->out);
                   1976:                log_debug("%s: redraw added %zu bytes", c->name, c->redraw);
                   1977:        }
1.1       nicm     1978: }
                   1979:
                   1980: /* Set client title. */
1.190     nicm     1981: static void
1.1       nicm     1982: server_client_set_title(struct client *c)
                   1983: {
1.128     nicm     1984:        struct session          *s = c->session;
                   1985:        const char              *template;
                   1986:        char                    *title;
                   1987:        struct format_tree      *ft;
1.1       nicm     1988:
1.163     nicm     1989:        template = options_get_string(s->options, "set-titles-string");
1.25      nicm     1990:
1.228     nicm     1991:        ft = format_create(c, NULL, FORMAT_NONE, 0);
1.128     nicm     1992:        format_defaults(ft, c, NULL, NULL, NULL);
                   1993:
1.269     nicm     1994:        title = format_expand_time(ft, template);
1.1       nicm     1995:        if (c->title == NULL || strcmp(title, c->title) != 0) {
1.77      nicm     1996:                free(c->title);
1.1       nicm     1997:                c->title = xstrdup(title);
                   1998:                tty_set_title(&c->tty, c->title);
                   1999:        }
1.77      nicm     2000:        free(title);
1.128     nicm     2001:
                   2002:        format_free(ft);
1.1       nicm     2003: }
                   2004:
                   2005: /* Dispatch message from client. */
1.190     nicm     2006: static void
1.162     nicm     2007: server_client_dispatch(struct imsg *imsg, void *arg)
1.1       nicm     2008: {
1.300     nicm     2009:        struct client   *c = arg;
                   2010:        ssize_t          datalen;
                   2011:        struct session  *s;
1.1       nicm     2012:
1.162     nicm     2013:        if (c->flags & CLIENT_DEAD)
                   2014:                return;
                   2015:
                   2016:        if (imsg == NULL) {
                   2017:                server_client_lost(c);
                   2018:                return;
                   2019:        }
1.1       nicm     2020:
1.162     nicm     2021:        datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
1.1       nicm     2022:
1.162     nicm     2023:        switch (imsg->hdr.type) {
1.370     nicm     2024:        case MSG_IDENTIFY_CLIENTPID:
                   2025:        case MSG_IDENTIFY_CWD:
                   2026:        case MSG_IDENTIFY_ENVIRON:
1.329     nicm     2027:        case MSG_IDENTIFY_FEATURES:
1.162     nicm     2028:        case MSG_IDENTIFY_FLAGS:
1.361     nicm     2029:        case MSG_IDENTIFY_LONGFLAGS:
1.370     nicm     2030:        case MSG_IDENTIFY_STDIN:
                   2031:        case MSG_IDENTIFY_STDOUT:
1.162     nicm     2032:        case MSG_IDENTIFY_TERM:
1.370     nicm     2033:        case MSG_IDENTIFY_TERMINFO:
1.162     nicm     2034:        case MSG_IDENTIFY_TTYNAME:
                   2035:        case MSG_IDENTIFY_DONE:
                   2036:                server_client_dispatch_identify(c, imsg);
                   2037:                break;
                   2038:        case MSG_COMMAND:
                   2039:                server_client_dispatch_command(c, imsg);
                   2040:                break;
                   2041:        case MSG_RESIZE:
                   2042:                if (datalen != 0)
                   2043:                        fatalx("bad MSG_RESIZE size");
1.1       nicm     2044:
1.162     nicm     2045:                if (c->flags & CLIENT_CONTROL)
1.1       nicm     2046:                        break;
1.295     nicm     2047:                server_client_update_latest(c);
1.236     nicm     2048:                tty_resize(&c->tty);
                   2049:                recalculate_sizes();
1.376     nicm     2050:                if (c->overlay_resize == NULL)
                   2051:                        server_client_clear_overlay(c);
                   2052:                else
1.380   ! nicm     2053:                        c->overlay_resize(c, c->overlay_data);
1.236     nicm     2054:                server_redraw_client(c);
1.174     nicm     2055:                if (c->session != NULL)
1.196     nicm     2056:                        notify_client("client-resized", c);
1.162     nicm     2057:                break;
                   2058:        case MSG_EXITING:
                   2059:                if (datalen != 0)
                   2060:                        fatalx("bad MSG_EXITING size");
1.379     nicm     2061:                server_client_set_session(c, NULL);
1.162     nicm     2062:                tty_close(&c->tty);
                   2063:                proc_send(c->peer, MSG_EXITED, -1, NULL, 0);
                   2064:                break;
                   2065:        case MSG_WAKEUP:
                   2066:        case MSG_UNLOCK:
                   2067:                if (datalen != 0)
                   2068:                        fatalx("bad MSG_WAKEUP size");
1.121     nicm     2069:
1.162     nicm     2070:                if (!(c->flags & CLIENT_SUSPENDED))
                   2071:                        break;
                   2072:                c->flags &= ~CLIENT_SUSPENDED;
1.10      nicm     2073:
1.365     nicm     2074:                if (c->fd == -1 || c->session == NULL) /* exited already */
1.1       nicm     2075:                        break;
1.162     nicm     2076:                s = c->session;
1.1       nicm     2077:
1.162     nicm     2078:                if (gettimeofday(&c->activity_time, NULL) != 0)
                   2079:                        fatal("gettimeofday failed");
                   2080:
                   2081:                tty_start_tty(&c->tty);
                   2082:                server_redraw_client(c);
                   2083:                recalculate_sizes();
1.184     nicm     2084:
                   2085:                if (s != NULL)
                   2086:                        session_update_activity(s, &c->activity_time);
1.162     nicm     2087:                break;
                   2088:        case MSG_SHELL:
                   2089:                if (datalen != 0)
                   2090:                        fatalx("bad MSG_SHELL size");
1.1       nicm     2091:
1.162     nicm     2092:                server_client_dispatch_shell(c);
                   2093:                break;
1.300     nicm     2094:        case MSG_WRITE_READY:
1.369     nicm     2095:                file_write_ready(&c->files, imsg);
1.300     nicm     2096:                break;
                   2097:        case MSG_READ:
1.369     nicm     2098:                file_read_data(&c->files, imsg);
1.300     nicm     2099:                break;
                   2100:        case MSG_READ_DONE:
1.369     nicm     2101:                file_read_done(&c->files, imsg);
1.300     nicm     2102:                break;
1.1       nicm     2103:        }
                   2104: }
                   2105:
1.194     nicm     2106: /* Callback when command is done. */
                   2107: static enum cmd_retval
1.195     nicm     2108: server_client_command_done(struct cmdq_item *item, __unused void *data)
1.194     nicm     2109: {
1.316     nicm     2110:        struct client   *c = cmdq_get_client(item);
1.194     nicm     2111:
                   2112:        if (~c->flags & CLIENT_ATTACHED)
                   2113:                c->flags |= CLIENT_EXIT;
1.352     nicm     2114:        else if (~c->flags & CLIENT_EXIT)
1.314     nicm     2115:                tty_send_requests(&c->tty);
1.194     nicm     2116:        return (CMD_RETURN_NORMAL);
                   2117: }
                   2118:
1.1       nicm     2119: /* Handle command message. */
1.190     nicm     2120: static void
1.162     nicm     2121: server_client_dispatch_command(struct client *c, struct imsg *imsg)
1.1       nicm     2122: {
1.300     nicm     2123:        struct msg_command        data;
1.108     nicm     2124:        char                     *buf;
                   2125:        size_t                    len;
                   2126:        int                       argc;
                   2127:        char                    **argv, *cause;
1.285     nicm     2128:        struct cmd_parse_result  *pr;
1.246     nicm     2129:
                   2130:        if (c->flags & CLIENT_EXIT)
                   2131:                return;
1.108     nicm     2132:
                   2133:        if (imsg->hdr.len - IMSG_HEADER_SIZE < sizeof data)
                   2134:                fatalx("bad MSG_COMMAND size");
                   2135:        memcpy(&data, imsg->data, sizeof data);
                   2136:
1.124     nicm     2137:        buf = (char *)imsg->data + sizeof data;
1.108     nicm     2138:        len = imsg->hdr.len  - IMSG_HEADER_SIZE - sizeof data;
                   2139:        if (len > 0 && buf[len - 1] != '\0')
                   2140:                fatalx("bad MSG_COMMAND string");
                   2141:
                   2142:        argc = data.argc;
                   2143:        if (cmd_unpack_argv(buf, len, argc, &argv) != 0) {
1.194     nicm     2144:                cause = xstrdup("command too long");
1.1       nicm     2145:                goto error;
                   2146:        }
                   2147:
                   2148:        if (argc == 0) {
                   2149:                argc = 1;
                   2150:                argv = xcalloc(1, sizeof *argv);
                   2151:                *argv = xstrdup("new-session");
                   2152:        }
                   2153:
1.285     nicm     2154:        pr = cmd_parse_from_arguments(argc, argv, NULL);
                   2155:        switch (pr->status) {
                   2156:        case CMD_PARSE_EMPTY:
                   2157:                cause = xstrdup("empty command");
1.1       nicm     2158:                goto error;
1.285     nicm     2159:        case CMD_PARSE_ERROR:
                   2160:                cause = pr->error;
                   2161:                goto error;
                   2162:        case CMD_PARSE_SUCCESS:
                   2163:                break;
1.1       nicm     2164:        }
                   2165:        cmd_free_argv(argc, argv);
                   2166:
1.318     nicm     2167:        cmdq_append(c, cmdq_get_command(pr->cmdlist, NULL));
1.194     nicm     2168:        cmdq_append(c, cmdq_get_callback(server_client_command_done, NULL));
1.285     nicm     2169:
                   2170:        cmd_list_free(pr->cmdlist);
1.1       nicm     2171:        return;
                   2172:
                   2173: error:
1.285     nicm     2174:        cmd_free_argv(argc, argv);
                   2175:
1.284     nicm     2176:        cmdq_append(c, cmdq_get_error(cause));
                   2177:        free(cause);
1.88      nicm     2178:
1.36      nicm     2179:        c->flags |= CLIENT_EXIT;
1.1       nicm     2180: }
                   2181:
                   2182: /* Handle identify message. */
1.190     nicm     2183: static void
1.162     nicm     2184: server_client_dispatch_identify(struct client *c, struct imsg *imsg)
1.1       nicm     2185: {
1.165     nicm     2186:        const char      *data, *home;
1.232     nicm     2187:        size_t           datalen;
1.329     nicm     2188:        int              flags, feat;
1.361     nicm     2189:        uint64_t         longflags;
1.216     nicm     2190:        char            *name;
1.109     nicm     2191:
                   2192:        if (c->flags & CLIENT_IDENTIFIED)
                   2193:                fatalx("out-of-order identify message");
                   2194:
                   2195:        data = imsg->data;
                   2196:        datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
                   2197:
                   2198:        switch (imsg->hdr.type) {
1.329     nicm     2199:        case MSG_IDENTIFY_FEATURES:
                   2200:                if (datalen != sizeof feat)
                   2201:                        fatalx("bad MSG_IDENTIFY_FEATURES size");
                   2202:                memcpy(&feat, data, sizeof feat);
                   2203:                c->term_features |= feat;
                   2204:                log_debug("client %p IDENTIFY_FEATURES %s", c,
                   2205:                    tty_get_features(feat));
                   2206:                break;
1.109     nicm     2207:        case MSG_IDENTIFY_FLAGS:
                   2208:                if (datalen != sizeof flags)
                   2209:                        fatalx("bad MSG_IDENTIFY_FLAGS size");
                   2210:                memcpy(&flags, data, sizeof flags);
                   2211:                c->flags |= flags;
1.158     nicm     2212:                log_debug("client %p IDENTIFY_FLAGS %#x", c, flags);
1.361     nicm     2213:                break;
                   2214:        case MSG_IDENTIFY_LONGFLAGS:
                   2215:                if (datalen != sizeof longflags)
                   2216:                        fatalx("bad MSG_IDENTIFY_LONGFLAGS size");
                   2217:                memcpy(&longflags, data, sizeof longflags);
                   2218:                c->flags |= longflags;
                   2219:                log_debug("client %p IDENTIFY_LONGFLAGS %#llx", c,
                   2220:                    (unsigned long long)longflags);
1.109     nicm     2221:                break;
                   2222:        case MSG_IDENTIFY_TERM:
1.110     nicm     2223:                if (datalen == 0 || data[datalen - 1] != '\0')
1.109     nicm     2224:                        fatalx("bad MSG_IDENTIFY_TERM string");
1.329     nicm     2225:                if (*data == '\0')
                   2226:                        c->term_name = xstrdup("unknown");
                   2227:                else
                   2228:                        c->term_name = xstrdup(data);
1.158     nicm     2229:                log_debug("client %p IDENTIFY_TERM %s", c, data);
1.370     nicm     2230:                break;
                   2231:        case MSG_IDENTIFY_TERMINFO:
                   2232:                if (datalen == 0 || data[datalen - 1] != '\0')
                   2233:                        fatalx("bad MSG_IDENTIFY_TERMINFO string");
                   2234:                c->term_caps = xreallocarray(c->term_caps, c->term_ncaps + 1,
                   2235:                    sizeof *c->term_caps);
                   2236:                c->term_caps[c->term_ncaps++] = xstrdup(data);
                   2237:                log_debug("client %p IDENTIFY_TERMINFO %s", c, data);
1.109     nicm     2238:                break;
                   2239:        case MSG_IDENTIFY_TTYNAME:
1.110     nicm     2240:                if (datalen == 0 || data[datalen - 1] != '\0')
1.109     nicm     2241:                        fatalx("bad MSG_IDENTIFY_TTYNAME string");
                   2242:                c->ttyname = xstrdup(data);
1.158     nicm     2243:                log_debug("client %p IDENTIFY_TTYNAME %s", c, data);
1.109     nicm     2244:                break;
                   2245:        case MSG_IDENTIFY_CWD:
1.155     nicm     2246:                if (datalen == 0 || data[datalen - 1] != '\0')
                   2247:                        fatalx("bad MSG_IDENTIFY_CWD string");
1.165     nicm     2248:                if (access(data, X_OK) == 0)
                   2249:                        c->cwd = xstrdup(data);
                   2250:                else if ((home = find_home()) != NULL)
                   2251:                        c->cwd = xstrdup(home);
                   2252:                else
                   2253:                        c->cwd = xstrdup("/");
1.158     nicm     2254:                log_debug("client %p IDENTIFY_CWD %s", c, data);
1.109     nicm     2255:                break;
                   2256:        case MSG_IDENTIFY_STDIN:
                   2257:                if (datalen != 0)
                   2258:                        fatalx("bad MSG_IDENTIFY_STDIN size");
                   2259:                c->fd = imsg->fd;
1.158     nicm     2260:                log_debug("client %p IDENTIFY_STDIN %d", c, imsg->fd);
1.109     nicm     2261:                break;
1.351     nicm     2262:        case MSG_IDENTIFY_STDOUT:
                   2263:                if (datalen != 0)
                   2264:                        fatalx("bad MSG_IDENTIFY_STDOUT size");
                   2265:                c->out_fd = imsg->fd;
                   2266:                log_debug("client %p IDENTIFY_STDOUT %d", c, imsg->fd);
                   2267:                break;
1.109     nicm     2268:        case MSG_IDENTIFY_ENVIRON:
1.110     nicm     2269:                if (datalen == 0 || data[datalen - 1] != '\0')
1.109     nicm     2270:                        fatalx("bad MSG_IDENTIFY_ENVIRON string");
                   2271:                if (strchr(data, '=') != NULL)
1.312     nicm     2272:                        environ_put(c->environ, data, 0);
1.158     nicm     2273:                log_debug("client %p IDENTIFY_ENVIRON %s", c, data);
1.143     nicm     2274:                break;
                   2275:        case MSG_IDENTIFY_CLIENTPID:
                   2276:                if (datalen != sizeof c->pid)
                   2277:                        fatalx("bad MSG_IDENTIFY_CLIENTPID size");
                   2278:                memcpy(&c->pid, data, sizeof c->pid);
1.158     nicm     2279:                log_debug("client %p IDENTIFY_CLIENTPID %ld", c, (long)c->pid);
1.109     nicm     2280:                break;
                   2281:        default:
                   2282:                break;
                   2283:        }
                   2284:
                   2285:        if (imsg->hdr.type != MSG_IDENTIFY_DONE)
                   2286:                return;
                   2287:        c->flags |= CLIENT_IDENTIFIED;
1.75      nicm     2288:
1.216     nicm     2289:        if (*c->ttyname != '\0')
                   2290:                name = xstrdup(c->ttyname);
                   2291:        else
                   2292:                xasprintf(&name, "client-%ld", (long)c->pid);
                   2293:        c->name = name;
                   2294:        log_debug("client %p name is %s", c, c->name);
                   2295:
1.362     nicm     2296:        if (c->flags & CLIENT_CONTROL)
1.300     nicm     2297:                control_start(c);
1.351     nicm     2298:        else if (c->fd != -1) {
1.348     nicm     2299:                if (tty_init(&c->tty, c) != 0) {
1.288     nicm     2300:                        close(c->fd);
                   2301:                        c->fd = -1;
                   2302:                } else {
                   2303:                        tty_resize(&c->tty);
                   2304:                        c->flags |= CLIENT_TERMINAL;
                   2305:                }
1.351     nicm     2306:                close(c->out_fd);
                   2307:                c->out_fd = -1;
1.75      nicm     2308:        }
1.1       nicm     2309:
1.288     nicm     2310:        /*
1.362     nicm     2311:         * If this is the first client, load configuration files. Any later
                   2312:         * clients are allowed to continue with their command even if the
                   2313:         * config has not been loaded - they might have been run from inside it
1.288     nicm     2314:         */
                   2315:        if ((~c->flags & CLIENT_EXIT) &&
1.362     nicm     2316:             !cfg_finished &&
                   2317:             c == TAILQ_FIRST(&clients))
1.288     nicm     2318:                start_cfg();
1.1       nicm     2319: }
                   2320:
                   2321: /* Handle shell message. */
1.190     nicm     2322: static void
1.162     nicm     2323: server_client_dispatch_shell(struct client *c)
1.1       nicm     2324: {
1.107     nicm     2325:        const char      *shell;
1.25      nicm     2326:
1.163     nicm     2327:        shell = options_get_string(global_s_options, "default-shell");
1.308     nicm     2328:        if (!checkshell(shell))
1.1       nicm     2329:                shell = _PATH_BSHELL;
1.240     nicm     2330:        proc_send(c->peer, MSG_SHELL, -1, shell, strlen(shell) + 1);
1.25      nicm     2331:
1.162     nicm     2332:        proc_kill_peer(c->peer);
1.213     nicm     2333: }
                   2334:
                   2335: /* Get client working directory. */
                   2336: const char *
1.250     nicm     2337: server_client_get_cwd(struct client *c, struct session *s)
1.213     nicm     2338: {
1.250     nicm     2339:        const char      *home;
1.213     nicm     2340:
1.265     nicm     2341:        if (!cfg_finished && cfg_client != NULL)
                   2342:                return (cfg_client->cwd);
1.213     nicm     2343:        if (c != NULL && c->session == NULL && c->cwd != NULL)
                   2344:                return (c->cwd);
1.250     nicm     2345:        if (s != NULL && s->cwd != NULL)
                   2346:                return (s->cwd);
1.213     nicm     2347:        if (c != NULL && (s = c->session) != NULL && s->cwd != NULL)
                   2348:                return (s->cwd);
1.250     nicm     2349:        if ((home = find_home()) != NULL)
                   2350:                return (home);
                   2351:        return ("/");
1.337     nicm     2352: }
                   2353:
1.355     nicm     2354: /* Get control client flags. */
                   2355: static uint64_t
                   2356: server_client_control_flags(struct client *c, const char *next)
                   2357: {
                   2358:        if (strcmp(next, "pause-after") == 0) {
                   2359:                c->pause_age = 0;
                   2360:                return (CLIENT_CONTROL_PAUSEAFTER);
                   2361:        }
                   2362:        if (sscanf(next, "pause-after=%u", &c->pause_age) == 1) {
                   2363:                c->pause_age *= 1000;
                   2364:                return (CLIENT_CONTROL_PAUSEAFTER);
                   2365:        }
                   2366:        if (strcmp(next, "no-output") == 0)
                   2367:                return (CLIENT_CONTROL_NOOUTPUT);
1.358     nicm     2368:        if (strcmp(next, "wait-exit") == 0)
                   2369:                return (CLIENT_CONTROL_WAITEXIT);
1.355     nicm     2370:        return (0);
                   2371: }
                   2372:
1.337     nicm     2373: /* Set client flags. */
                   2374: void
                   2375: server_client_set_flags(struct client *c, const char *flags)
                   2376: {
                   2377:        char    *s, *copy, *next;
1.351     nicm     2378:        uint64_t flag;
                   2379:        int      not;
1.337     nicm     2380:
                   2381:        s = copy = xstrdup (flags);
                   2382:        while ((next = strsep(&s, ",")) != NULL) {
                   2383:                not = (*next == '!');
                   2384:                if (not)
                   2385:                        next++;
                   2386:
1.355     nicm     2387:                if (c->flags & CLIENT_CONTROL)
                   2388:                        flag = server_client_control_flags(c, next);
                   2389:                else
                   2390:                        flag = 0;
1.350     nicm     2391:                if (strcmp(next, "read-only") == 0)
1.337     nicm     2392:                        flag = CLIENT_READONLY;
                   2393:                else if (strcmp(next, "ignore-size") == 0)
                   2394:                        flag = CLIENT_IGNORESIZE;
1.341     nicm     2395:                else if (strcmp(next, "active-pane") == 0)
                   2396:                        flag = CLIENT_ACTIVEPANE;
1.350     nicm     2397:                if (flag == 0)
1.337     nicm     2398:                        continue;
                   2399:
                   2400:                log_debug("client %s set flag %s", c->name, next);
                   2401:                if (not)
                   2402:                        c->flags &= ~flag;
                   2403:                else
                   2404:                        c->flags |= flag;
1.346     nicm     2405:                if (flag == CLIENT_CONTROL_NOOUTPUT)
1.352     nicm     2406:                        control_reset_offsets(c);
1.337     nicm     2407:        }
                   2408:        free(copy);
1.358     nicm     2409:        proc_send(c->peer, MSG_FLAGS, -1, &c->flags, sizeof c->flags);
1.337     nicm     2410: }
                   2411:
1.340     nicm     2412: /* Get client flags. This is only flags useful to show to users. */
1.337     nicm     2413: const char *
                   2414: server_client_get_flags(struct client *c)
                   2415: {
1.355     nicm     2416:        static char     s[256];
                   2417:        char            tmp[32];
1.337     nicm     2418:
                   2419:        *s = '\0';
                   2420:        if (c->flags & CLIENT_ATTACHED)
                   2421:                strlcat(s, "attached,", sizeof s);
1.368     nicm     2422:        if (c->flags & CLIENT_FOCUSED)
                   2423:                strlcat(s, "focused,", sizeof s);
1.337     nicm     2424:        if (c->flags & CLIENT_CONTROL)
                   2425:                strlcat(s, "control-mode,", sizeof s);
                   2426:        if (c->flags & CLIENT_IGNORESIZE)
                   2427:                strlcat(s, "ignore-size,", sizeof s);
                   2428:        if (c->flags & CLIENT_CONTROL_NOOUTPUT)
                   2429:                strlcat(s, "no-output,", sizeof s);
1.358     nicm     2430:        if (c->flags & CLIENT_CONTROL_WAITEXIT)
                   2431:                strlcat(s, "wait-exit,", sizeof s);
1.355     nicm     2432:        if (c->flags & CLIENT_CONTROL_PAUSEAFTER) {
                   2433:                xsnprintf(tmp, sizeof tmp, "pause-after=%u,",
                   2434:                    c->pause_age / 1000);
                   2435:                strlcat(s, tmp, sizeof s);
                   2436:        }
1.337     nicm     2437:        if (c->flags & CLIENT_READONLY)
                   2438:                strlcat(s, "read-only,", sizeof s);
1.341     nicm     2439:        if (c->flags & CLIENT_ACTIVEPANE)
                   2440:                strlcat(s, "active-pane,", sizeof s);
1.337     nicm     2441:        if (c->flags & CLIENT_SUSPENDED)
                   2442:                strlcat(s, "suspended,", sizeof s);
                   2443:        if (c->flags & CLIENT_UTF8)
                   2444:                strlcat(s, "UTF-8,", sizeof s);
                   2445:        if (*s != '\0')
                   2446:                s[strlen(s) - 1] = '\0';
                   2447:        return (s);
1.341     nicm     2448: }
                   2449:
                   2450: /* Get client window. */
                   2451: static struct client_window *
                   2452: server_client_get_client_window(struct client *c, u_int id)
                   2453: {
                   2454:        struct client_window    cw = { .window = id };
                   2455:
                   2456:        return (RB_FIND(client_windows, &c->windows, &cw));
                   2457: }
                   2458:
                   2459: /* Get client active pane. */
                   2460: struct window_pane *
                   2461: server_client_get_pane(struct client *c)
                   2462: {
                   2463:        struct session          *s = c->session;
                   2464:        struct client_window    *cw;
                   2465:
                   2466:        if (s == NULL)
                   2467:                return (NULL);
                   2468:
                   2469:        if (~c->flags & CLIENT_ACTIVEPANE)
                   2470:                return (s->curw->window->active);
                   2471:        cw = server_client_get_client_window(c, s->curw->window->id);
                   2472:        if (cw == NULL)
                   2473:                return (s->curw->window->active);
                   2474:        return (cw->pane);
                   2475: }
                   2476:
                   2477: /* Set client active pane. */
                   2478: void
                   2479: server_client_set_pane(struct client *c, struct window_pane *wp)
                   2480: {
                   2481:        struct session          *s = c->session;
                   2482:        struct client_window    *cw;
                   2483:
                   2484:        if (s == NULL)
                   2485:                return;
                   2486:
                   2487:        cw = server_client_get_client_window(c, s->curw->window->id);
                   2488:        if (cw == NULL) {
                   2489:                cw = xcalloc(1, sizeof *cw);
                   2490:                cw->window = s->curw->window->id;
                   2491:                RB_INSERT(client_windows, &c->windows, cw);
                   2492:        }
                   2493:        cw->pane = wp;
                   2494:        log_debug("%s pane now %%%u", c->name, wp->id);
                   2495: }
                   2496:
                   2497: /* Remove pane from client lists. */
                   2498: void
                   2499: server_client_remove_pane(struct window_pane *wp)
                   2500: {
                   2501:        struct client           *c;
                   2502:        struct window           *w = wp->window;
                   2503:        struct client_window    *cw;
                   2504:
                   2505:        TAILQ_FOREACH(c, &clients, entry) {
                   2506:                cw = server_client_get_client_window(c, w->id);
                   2507:                if (cw != NULL && cw->pane == wp) {
                   2508:                        RB_REMOVE(client_windows, &c->windows, cw);
                   2509:                        free(cw);
                   2510:                }
                   2511:        }
1.1       nicm     2512: }