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Annotation of src/usr.bin/tmux/server-client.c, Revision 1.378

1.378   ! nicm        1: /* $OpenBSD: server-client.c,v 1.377 2021/08/04 08:07:19 nicm Exp $ */
1.1       nicm        2:
                      3: /*
1.181     nicm        4:  * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
1.1       nicm        5:  *
                      6:  * Permission to use, copy, modify, and distribute this software for any
                      7:  * purpose with or without fee is hereby granted, provided that the above
                      8:  * copyright notice and this permission notice appear in all copies.
                      9:  *
                     10:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     11:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     12:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     13:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     14:  * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
                     15:  * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
                     16:  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
                     17:  */
                     18:
                     19: #include <sys/types.h>
1.92      nicm       20: #include <sys/ioctl.h>
1.162     nicm       21: #include <sys/uio.h>
1.1       nicm       22:
1.114     benno      23: #include <errno.h>
1.12      nicm       24: #include <event.h>
1.1       nicm       25: #include <fcntl.h>
1.162     nicm       26: #include <imsg.h>
1.98      nicm       27: #include <paths.h>
                     28: #include <stdlib.h>
1.1       nicm       29: #include <string.h>
1.4       nicm       30: #include <time.h>
1.1       nicm       31: #include <unistd.h>
                     32:
                     33: #include "tmux.h"
                     34:
1.190     nicm       35: static void    server_client_free(int, short, void *);
1.344     nicm       36: static void    server_client_check_pane_focus(struct window_pane *);
                     37: static void    server_client_check_pane_resize(struct window_pane *);
1.345     nicm       38: static void    server_client_check_pane_buffer(struct window_pane *);
1.344     nicm       39: static void    server_client_check_window_resize(struct window *);
1.276     nicm       40: static key_code        server_client_check_mouse(struct client *, struct key_event *);
1.190     nicm       41: static void    server_client_repeat_timer(int, short, void *);
1.192     nicm       42: static void    server_client_click_timer(int, short, void *);
1.190     nicm       43: static void    server_client_check_exit(struct client *);
                     44: static void    server_client_check_redraw(struct client *);
1.366     nicm       45: static void    server_client_check_modes(struct client *);
1.190     nicm       46: static void    server_client_set_title(struct client *);
                     47: static void    server_client_reset_state(struct client *);
                     48: static int     server_client_assume_paste(struct session *);
1.373     nicm       49: static void    server_client_update_latest(struct client *);
1.190     nicm       50:
                     51: static void    server_client_dispatch(struct imsg *, void *);
                     52: static void    server_client_dispatch_command(struct client *, struct imsg *);
                     53: static void    server_client_dispatch_identify(struct client *, struct imsg *);
                     54: static void    server_client_dispatch_shell(struct client *);
1.233     nicm       55:
1.341     nicm       56: /* Compare client windows. */
                     57: static int
                     58: server_client_window_cmp(struct client_window *cw1,
                     59:     struct client_window *cw2)
                     60: {
                     61:        if (cw1->window < cw2->window)
                     62:                return (-1);
                     63:        if (cw1->window > cw2->window)
                     64:                return (1);
                     65:        return (0);
                     66: }
                     67: RB_GENERATE(client_windows, client_window, entry, server_client_window_cmp);
                     68:
1.233     nicm       69: /* Number of attached clients. */
                     70: u_int
                     71: server_client_how_many(void)
                     72: {
                     73:        struct client   *c;
                     74:        u_int            n;
                     75:
                     76:        n = 0;
                     77:        TAILQ_FOREACH(c, &clients, entry) {
1.352     nicm       78:                if (c->session != NULL && (~c->flags & CLIENT_UNATTACHEDFLAGS))
1.233     nicm       79:                        n++;
                     80:        }
                     81:        return (n);
                     82: }
1.140     nicm       83:
1.281     nicm       84: /* Overlay timer callback. */
1.214     nicm       85: static void
1.281     nicm       86: server_client_overlay_timer(__unused int fd, __unused short events, void *data)
1.214     nicm       87: {
1.281     nicm       88:        server_client_clear_overlay(data);
1.214     nicm       89: }
                     90:
1.281     nicm       91: /* Set an overlay on client. */
1.214     nicm       92: void
1.309     nicm       93: server_client_set_overlay(struct client *c, u_int delay,
                     94:     overlay_check_cb checkcb, overlay_mode_cb modecb,
                     95:     overlay_draw_cb drawcb, overlay_key_cb keycb, overlay_free_cb freecb,
1.376     nicm       96:     overlay_resize_cb resizecb, void *data)
1.214     nicm       97: {
                     98:        struct timeval  tv;
                     99:
1.282     nicm      100:        if (c->overlay_draw != NULL)
                    101:                server_client_clear_overlay(c);
                    102:
1.214     nicm      103:        tv.tv_sec = delay / 1000;
                    104:        tv.tv_usec = (delay % 1000) * 1000L;
                    105:
1.281     nicm      106:        if (event_initialized(&c->overlay_timer))
                    107:                evtimer_del(&c->overlay_timer);
                    108:        evtimer_set(&c->overlay_timer, server_client_overlay_timer, c);
1.242     nicm      109:        if (delay != 0)
1.281     nicm      110:                evtimer_add(&c->overlay_timer, &tv);
                    111:
1.309     nicm      112:        c->overlay_check = checkcb;
                    113:        c->overlay_mode = modecb;
1.281     nicm      114:        c->overlay_draw = drawcb;
                    115:        c->overlay_key = keycb;
                    116:        c->overlay_free = freecb;
1.376     nicm      117:        c->overlay_resize = resizecb;
1.281     nicm      118:        c->overlay_data = data;
1.214     nicm      119:
1.378   ! nicm      120:        if (c->overlay_check == NULL)
        !           121:                c->tty.flags |= TTY_FREEZE;
1.309     nicm      122:        if (c->overlay_mode == NULL)
                    123:                c->tty.flags |= TTY_NOCURSOR;
1.214     nicm      124:        server_redraw_client(c);
                    125: }
                    126:
1.281     nicm      127: /* Clear overlay mode on client. */
1.309     nicm      128: void
1.281     nicm      129: server_client_clear_overlay(struct client *c)
1.214     nicm      130: {
1.281     nicm      131:        if (c->overlay_draw == NULL)
1.214     nicm      132:                return;
                    133:
1.281     nicm      134:        if (event_initialized(&c->overlay_timer))
                    135:                evtimer_del(&c->overlay_timer);
                    136:
                    137:        if (c->overlay_free != NULL)
                    138:                c->overlay_free(c);
                    139:
1.309     nicm      140:        c->overlay_check = NULL;
                    141:        c->overlay_mode = NULL;
1.281     nicm      142:        c->overlay_draw = NULL;
                    143:        c->overlay_key = NULL;
1.309     nicm      144:        c->overlay_free = NULL;
                    145:        c->overlay_data = NULL;
1.214     nicm      146:
                    147:        c->tty.flags &= ~(TTY_FREEZE|TTY_NOCURSOR);
                    148:        server_redraw_client(c);
                    149: }
                    150:
1.140     nicm      151: /* Check if this client is inside this server. */
                    152: int
                    153: server_client_check_nested(struct client *c)
                    154: {
                    155:        struct environ_entry    *envent;
                    156:        struct window_pane      *wp;
                    157:
1.164     nicm      158:        envent = environ_find(c->environ, "TMUX");
1.140     nicm      159:        if (envent == NULL || *envent->value == '\0')
                    160:                return (0);
                    161:
                    162:        RB_FOREACH(wp, window_pane_tree, &all_window_panes) {
1.216     nicm      163:                if (strcmp(wp->tty, c->ttyname) == 0)
1.140     nicm      164:                        return (1);
                    165:        }
                    166:        return (0);
                    167: }
1.1       nicm      168:
1.132     nicm      169: /* Set client key table. */
                    170: void
1.178     nicm      171: server_client_set_key_table(struct client *c, const char *name)
1.132     nicm      172: {
1.178     nicm      173:        if (name == NULL)
                    174:                name = server_client_get_key_table(c);
                    175:
1.132     nicm      176:        key_bindings_unref_table(c->keytable);
                    177:        c->keytable = key_bindings_get_table(name, 1);
                    178:        c->keytable->references++;
                    179: }
                    180:
1.178     nicm      181: /* Get default key table. */
                    182: const char *
                    183: server_client_get_key_table(struct client *c)
                    184: {
                    185:        struct session  *s = c->session;
                    186:        const char      *name;
                    187:
                    188:        if (s == NULL)
                    189:                return ("root");
                    190:
                    191:        name = options_get_string(s->options, "key-table");
                    192:        if (*name == '\0')
                    193:                return ("root");
                    194:        return (name);
                    195: }
                    196:
1.223     nicm      197: /* Is this table the default key table? */
                    198: static int
                    199: server_client_is_default_key_table(struct client *c, struct key_table *table)
1.191     nicm      200: {
1.223     nicm      201:        return (strcmp(table->name, server_client_get_key_table(c)) == 0);
1.191     nicm      202: }
                    203:
1.1       nicm      204: /* Create a new client. */
1.246     nicm      205: struct client *
1.1       nicm      206: server_client_create(int fd)
                    207: {
                    208:        struct client   *c;
                    209:
1.49      nicm      210:        setblocking(fd, 0);
1.1       nicm      211:
                    212:        c = xcalloc(1, sizeof *c);
1.141     nicm      213:        c->references = 1;
1.162     nicm      214:        c->peer = proc_add_peer(server_proc, fd, server_client_dispatch, c);
1.25      nicm      215:
1.10      nicm      216:        if (gettimeofday(&c->creation_time, NULL) != 0)
1.1       nicm      217:                fatal("gettimeofday failed");
1.11      nicm      218:        memcpy(&c->activity_time, &c->creation_time, sizeof c->activity_time);
1.111     nicm      219:
1.164     nicm      220:        c->environ = environ_create();
1.1       nicm      221:
1.146     nicm      222:        c->fd = -1;
1.351     nicm      223:        c->out_fd = -1;
1.145     nicm      224:
1.316     nicm      225:        c->queue = cmdq_new();
1.341     nicm      226:        RB_INIT(&c->windows);
1.345     nicm      227:        RB_INIT(&c->files);
1.94      nicm      228:
1.1       nicm      229:        c->tty.sx = 80;
                    230:        c->tty.sy = 24;
                    231:
1.271     nicm      232:        status_init(c);
1.93      nicm      233:        c->flags |= CLIENT_FOCUSED;
                    234:
1.132     nicm      235:        c->keytable = key_bindings_get_table("root", 1);
                    236:        c->keytable->references++;
                    237:
1.17      nicm      238:        evtimer_set(&c->repeat_timer, server_client_repeat_timer, c);
1.192     nicm      239:        evtimer_set(&c->click_timer, server_client_click_timer, c);
1.17      nicm      240:
1.135     nicm      241:        TAILQ_INSERT_TAIL(&clients, c, entry);
1.157     nicm      242:        log_debug("new client %p", c);
1.246     nicm      243:        return (c);
1.72      nicm      244: }
                    245:
                    246: /* Open client terminal if needed. */
                    247: int
1.119     nicm      248: server_client_open(struct client *c, char **cause)
1.72      nicm      249: {
1.339     nicm      250:        const char      *ttynam = _PATH_TTY;
                    251:
1.75      nicm      252:        if (c->flags & CLIENT_CONTROL)
                    253:                return (0);
1.120     nicm      254:
1.339     nicm      255:        if (strcmp(c->ttyname, ttynam) == 0||
                    256:            ((isatty(STDIN_FILENO) &&
                    257:            (ttynam = ttyname(STDIN_FILENO)) != NULL &&
                    258:            strcmp(c->ttyname, ttynam) == 0) ||
                    259:            (isatty(STDOUT_FILENO) &&
                    260:            (ttynam = ttyname(STDOUT_FILENO)) != NULL &&
                    261:            strcmp(c->ttyname, ttynam) == 0) ||
                    262:            (isatty(STDERR_FILENO) &&
                    263:            (ttynam = ttyname(STDERR_FILENO)) != NULL &&
                    264:            strcmp(c->ttyname, ttynam) == 0))) {
                    265:                xasprintf(cause, "can't use %s", c->ttyname);
1.120     nicm      266:                return (-1);
                    267:        }
1.75      nicm      268:
1.72      nicm      269:        if (!(c->flags & CLIENT_TERMINAL)) {
1.116     nicm      270:                *cause = xstrdup("not a terminal");
1.72      nicm      271:                return (-1);
                    272:        }
                    273:
1.119     nicm      274:        if (tty_open(&c->tty, cause) != 0)
1.72      nicm      275:                return (-1);
                    276:
                    277:        return (0);
1.1       nicm      278: }
                    279:
1.373     nicm      280: /* Lost an attached client. */
                    281: static void
                    282: server_client_attached_lost(struct client *c)
                    283: {
                    284:        struct session  *s = c->session;
                    285:        struct window   *w;
                    286:        struct client   *loop;
                    287:        struct client   *found;
                    288:
                    289:        log_debug("lost attached client %p", c);
                    290:
                    291:        /*
                    292:         * By this point the session in the client has been cleared so walk all
                    293:         * windows to find any with this client as the latest.
                    294:         */
                    295:        RB_FOREACH(w, windows, &windows) {
                    296:                if (w->latest != c)
                    297:                        continue;
                    298:
                    299:                found = NULL;
                    300:                TAILQ_FOREACH(loop, &clients, entry) {
                    301:                        s = loop->session;
                    302:                        if (loop == c || s == NULL || s->curw->window != w)
                    303:                                continue;
                    304:                        if (found == NULL ||
                    305:                            timercmp(&loop->activity_time, &found->activity_time,
                    306:                            >))
                    307:                                found = loop;
                    308:                }
                    309:                if (found != NULL)
                    310:                        server_client_update_latest(found);
                    311:        }
                    312: }
                    313:
1.1       nicm      314: /* Lost a client. */
                    315: void
                    316: server_client_lost(struct client *c)
                    317: {
1.340     nicm      318:        struct client_file      *cf, *cf1;
1.341     nicm      319:        struct client_window    *cw, *cw1;
1.1       nicm      320:
1.141     nicm      321:        c->flags |= CLIENT_DEAD;
                    322:
1.281     nicm      323:        server_client_clear_overlay(c);
1.141     nicm      324:        status_prompt_clear(c);
                    325:        status_message_clear(c);
                    326:
1.340     nicm      327:        RB_FOREACH_SAFE(cf, client_files, &c->files, cf1) {
1.300     nicm      328:                cf->error = EINTR;
                    329:                file_fire_done(cf);
                    330:        }
1.341     nicm      331:        RB_FOREACH_SAFE(cw, client_windows, &c->windows, cw1) {
                    332:                RB_REMOVE(client_windows, &c->windows, cw);
                    333:                free(cw);
                    334:        }
1.141     nicm      335:
1.135     nicm      336:        TAILQ_REMOVE(&clients, c, entry);
1.157     nicm      337:        log_debug("lost client %p", c);
1.1       nicm      338:
1.373     nicm      339:        if (c->flags & CLIENT_ATTACHED) {
                    340:                server_client_attached_lost(c);
1.371     nicm      341:                notify_client("client-detached", c);
1.373     nicm      342:        }
1.371     nicm      343:
1.349     nicm      344:        if (c->flags & CLIENT_CONTROL)
                    345:                control_stop(c);
1.1       nicm      346:        if (c->flags & CLIENT_TERMINAL)
                    347:                tty_free(&c->tty);
1.109     nicm      348:        free(c->ttyname);
1.333     nicm      349:
1.329     nicm      350:        free(c->term_name);
1.333     nicm      351:        free(c->term_type);
1.370     nicm      352:        tty_term_free_list(c->term_caps, c->term_ncaps);
1.1       nicm      353:
1.270     nicm      354:        status_free(c);
1.1       nicm      355:
1.77      nicm      356:        free(c->title);
1.165     nicm      357:        free((void *)c->cwd);
1.1       nicm      358:
1.17      nicm      359:        evtimer_del(&c->repeat_timer);
1.192     nicm      360:        evtimer_del(&c->click_timer);
1.17      nicm      361:
1.132     nicm      362:        key_bindings_unref_table(c->keytable);
                    363:
1.77      nicm      364:        free(c->message_string);
1.116     nicm      365:        if (event_initialized(&c->message_timer))
1.69      nicm      366:                evtimer_del(&c->message_timer);
1.1       nicm      367:
1.259     nicm      368:        free(c->prompt_saved);
1.77      nicm      369:        free(c->prompt_string);
                    370:        free(c->prompt_buffer);
1.61      nicm      371:
1.228     nicm      372:        format_lost_client(c);
1.164     nicm      373:        environ_free(c->environ);
1.1       nicm      374:
1.162     nicm      375:        proc_remove_peer(c->peer);
                    376:        c->peer = NULL;
1.13      nicm      377:
1.351     nicm      378:        if (c->out_fd != -1)
                    379:                close(c->out_fd);
1.348     nicm      380:        if (c->fd != -1) {
                    381:                close(c->fd);
                    382:                c->fd = -1;
                    383:        }
1.142     nicm      384:        server_client_unref(c);
1.71      nicm      385:
                    386:        server_add_accept(0); /* may be more file descriptors now */
1.1       nicm      387:
                    388:        recalculate_sizes();
1.41      nicm      389:        server_check_unattached();
1.19      nicm      390:        server_update_socket();
1.141     nicm      391: }
                    392:
                    393: /* Remove reference from a client. */
                    394: void
1.142     nicm      395: server_client_unref(struct client *c)
1.141     nicm      396: {
1.157     nicm      397:        log_debug("unref client %p (%d references)", c, c->references);
1.141     nicm      398:
                    399:        c->references--;
                    400:        if (c->references == 0)
                    401:                event_once(-1, EV_TIMEOUT, server_client_free, c, NULL);
                    402: }
                    403:
                    404: /* Free dead client. */
1.190     nicm      405: static void
1.170     nicm      406: server_client_free(__unused int fd, __unused short events, void *arg)
1.141     nicm      407: {
                    408:        struct client   *c = arg;
                    409:
1.157     nicm      410:        log_debug("free client %p (%d references)", c, c->references);
1.141     nicm      411:
1.316     nicm      412:        cmdq_free(c->queue);
1.194     nicm      413:
1.216     nicm      414:        if (c->references == 0) {
                    415:                free((void *)c->name);
1.141     nicm      416:                free(c);
1.216     nicm      417:        }
1.9       nicm      418: }
                    419:
1.220     nicm      420: /* Suspend a client. */
                    421: void
                    422: server_client_suspend(struct client *c)
                    423: {
1.232     nicm      424:        struct session  *s = c->session;
1.220     nicm      425:
1.352     nicm      426:        if (s == NULL || (c->flags & CLIENT_UNATTACHEDFLAGS))
1.220     nicm      427:                return;
                    428:
                    429:        tty_stop_tty(&c->tty);
                    430:        c->flags |= CLIENT_SUSPENDED;
                    431:        proc_send(c->peer, MSG_SUSPEND, -1, NULL, 0);
                    432: }
                    433:
1.174     nicm      434: /* Detach a client. */
                    435: void
                    436: server_client_detach(struct client *c, enum msgtype msgtype)
                    437: {
1.232     nicm      438:        struct session  *s = c->session;
1.174     nicm      439:
1.352     nicm      440:        if (s == NULL || (c->flags & CLIENT_UNATTACHEDFLAGS))
1.174     nicm      441:                return;
                    442:
1.352     nicm      443:        c->flags |= CLIENT_EXIT;
                    444:
                    445:        c->exit_type = CLIENT_EXIT_DETACH;
                    446:        c->exit_msgtype = msgtype;
                    447:        c->exit_session = xstrdup(s->name);
1.207     nicm      448: }
                    449:
1.208     nicm      450: /* Execute command to replace a client. */
1.207     nicm      451: void
                    452: server_client_exec(struct client *c, const char *cmd)
                    453: {
                    454:        struct session  *s = c->session;
1.208     nicm      455:        char            *msg;
                    456:        const char      *shell;
1.207     nicm      457:        size_t           cmdsize, shellsize;
                    458:
                    459:        if (*cmd == '\0')
                    460:                return;
                    461:        cmdsize = strlen(cmd) + 1;
                    462:
                    463:        if (s != NULL)
                    464:                shell = options_get_string(s->options, "default-shell");
                    465:        else
                    466:                shell = options_get_string(global_s_options, "default-shell");
1.308     nicm      467:        if (!checkshell(shell))
                    468:                shell = _PATH_BSHELL;
1.207     nicm      469:        shellsize = strlen(shell) + 1;
                    470:
                    471:        msg = xmalloc(cmdsize + shellsize);
                    472:        memcpy(msg, cmd, cmdsize);
                    473:        memcpy(msg + cmdsize, shell, shellsize);
                    474:
                    475:        proc_send(c->peer, MSG_EXEC, -1, msg, cmdsize + shellsize);
                    476:        free(msg);
1.174     nicm      477: }
                    478:
1.66      nicm      479: /* Check for mouse keys. */
1.190     nicm      480: static key_code
1.276     nicm      481: server_client_check_mouse(struct client *c, struct key_event *event)
1.66      nicm      482: {
1.276     nicm      483:        struct mouse_event      *m = &event->m;
1.192     nicm      484:        struct session          *s = c->session;
1.272     nicm      485:        struct winlink          *wl;
1.192     nicm      486:        struct window_pane      *wp;
1.261     nicm      487:        u_int                    x, y, b, sx, sy, px, py;
1.307     nicm      488:        int                      ignore = 0;
1.192     nicm      489:        key_code                 key;
                    490:        struct timeval           tv;
1.272     nicm      491:        struct style_range      *sr;
1.283     nicm      492:        enum { NOTYPE,
                    493:               MOVE,
                    494:               DOWN,
                    495:               UP,
                    496:               DRAG,
                    497:               WHEEL,
1.311     nicm      498:               SECOND,
1.283     nicm      499:               DOUBLE,
                    500:               TRIPLE } type = NOTYPE;
1.276     nicm      501:        enum { NOWHERE,
                    502:               PANE,
                    503:               STATUS,
                    504:               STATUS_LEFT,
                    505:               STATUS_RIGHT,
                    506:               STATUS_DEFAULT,
1.283     nicm      507:               BORDER } where = NOWHERE;
1.131     nicm      508:
1.261     nicm      509:        log_debug("%s mouse %02x at %u,%u (last %u,%u) (%d)", c->name, m->b,
                    510:            m->x, m->y, m->lx, m->ly, c->tty.mouse_drag_flag);
1.131     nicm      511:
                    512:        /* What type of event is this? */
1.306     nicm      513:        if (event->key == KEYC_DOUBLECLICK) {
                    514:                type = DOUBLE;
                    515:                x = m->x, y = m->y, b = m->b;
1.307     nicm      516:                ignore = 1;
1.306     nicm      517:                log_debug("double-click at %u,%u", x, y);
                    518:        } else if ((m->sgr_type != ' ' &&
1.209     nicm      519:            MOUSE_DRAG(m->sgr_b) &&
                    520:            MOUSE_BUTTONS(m->sgr_b) == 3) ||
                    521:            (m->sgr_type == ' ' &&
                    522:            MOUSE_DRAG(m->b) &&
                    523:            MOUSE_BUTTONS(m->b) == 3 &&
                    524:            MOUSE_BUTTONS(m->lb) == 3)) {
                    525:                type = MOVE;
                    526:                x = m->x, y = m->y, b = 0;
                    527:                log_debug("move at %u,%u", x, y);
                    528:        } else if (MOUSE_DRAG(m->b)) {
1.131     nicm      529:                type = DRAG;
                    530:                if (c->tty.mouse_drag_flag) {
                    531:                        x = m->x, y = m->y, b = m->b;
1.278     nicm      532:                        if (x == m->lx && y == m->ly)
                    533:                                return (KEYC_UNKNOWN);
1.131     nicm      534:                        log_debug("drag update at %u,%u", x, y);
                    535:                } else {
1.277     nicm      536:                        x = m->lx, y = m->ly, b = m->lb;
1.131     nicm      537:                        log_debug("drag start at %u,%u", x, y);
                    538:                }
                    539:        } else if (MOUSE_WHEEL(m->b)) {
                    540:                type = WHEEL;
                    541:                x = m->x, y = m->y, b = m->b;
                    542:                log_debug("wheel at %u,%u", x, y);
1.200     nicm      543:        } else if (MOUSE_RELEASE(m->b)) {
1.131     nicm      544:                type = UP;
                    545:                x = m->x, y = m->y, b = m->lb;
                    546:                log_debug("up at %u,%u", x, y);
                    547:        } else {
1.192     nicm      548:                if (c->flags & CLIENT_DOUBLECLICK) {
                    549:                        evtimer_del(&c->click_timer);
                    550:                        c->flags &= ~CLIENT_DOUBLECLICK;
                    551:                        if (m->b == c->click_button) {
1.311     nicm      552:                                type = SECOND;
                    553:                                x = m->x, y = m->y, b = m->b;
                    554:                                log_debug("second-click at %u,%u", x, y);
1.306     nicm      555:                                c->flags |= CLIENT_TRIPLECLICK;
1.192     nicm      556:                        }
                    557:                } else if (c->flags & CLIENT_TRIPLECLICK) {
                    558:                        evtimer_del(&c->click_timer);
                    559:                        c->flags &= ~CLIENT_TRIPLECLICK;
                    560:                        if (m->b == c->click_button) {
                    561:                                type = TRIPLE;
                    562:                                x = m->x, y = m->y, b = m->b;
                    563:                                log_debug("triple-click at %u,%u", x, y);
                    564:                                goto have_event;
                    565:                        }
1.311     nicm      566:                } else {
                    567:                        type = DOWN;
                    568:                        x = m->x, y = m->y, b = m->b;
                    569:                        log_debug("down at %u,%u", x, y);
1.307     nicm      570:                        c->flags |= CLIENT_DOUBLECLICK;
1.311     nicm      571:                }
1.192     nicm      572:
                    573:                if (KEYC_CLICK_TIMEOUT != 0) {
1.306     nicm      574:                        memcpy(&c->click_event, m, sizeof c->click_event);
1.192     nicm      575:                        c->click_button = m->b;
                    576:
1.312     nicm      577:                        log_debug("click timer started");
1.192     nicm      578:                        tv.tv_sec = KEYC_CLICK_TIMEOUT / 1000;
                    579:                        tv.tv_usec = (KEYC_CLICK_TIMEOUT % 1000) * 1000L;
                    580:                        evtimer_del(&c->click_timer);
                    581:                        evtimer_add(&c->click_timer, &tv);
                    582:                }
1.131     nicm      583:        }
1.192     nicm      584:
                    585: have_event:
1.131     nicm      586:        if (type == NOTYPE)
1.177     nicm      587:                return (KEYC_UNKNOWN);
1.131     nicm      588:
1.258     nicm      589:        /* Save the session. */
1.131     nicm      590:        m->s = s->id;
1.258     nicm      591:        m->w = -1;
1.307     nicm      592:        m->ignore = ignore;
1.131     nicm      593:
                    594:        /* Is this on the status line? */
                    595:        m->statusat = status_at_line(c);
1.292     nicm      596:        m->statuslines = status_line_size(c);
1.272     nicm      597:        if (m->statusat != -1 &&
                    598:            y >= (u_int)m->statusat &&
1.292     nicm      599:            y < m->statusat + m->statuslines) {
1.272     nicm      600:                sr = status_get_range(c, x, y - m->statusat);
1.274     nicm      601:                if (sr == NULL) {
                    602:                        where = STATUS_DEFAULT;
                    603:                } else {
                    604:                        switch (sr->type) {
                    605:                        case STYLE_RANGE_NONE:
1.273     nicm      606:                                return (KEYC_UNKNOWN);
1.274     nicm      607:                        case STYLE_RANGE_LEFT:
                    608:                                where = STATUS_LEFT;
                    609:                                break;
                    610:                        case STYLE_RANGE_RIGHT:
                    611:                                where = STATUS_RIGHT;
                    612:                                break;
                    613:                        case STYLE_RANGE_WINDOW:
1.298     nicm      614:                                wl = winlink_find_by_index(&s->windows,
                    615:                                    sr->argument);
1.274     nicm      616:                                if (wl == NULL)
                    617:                                        return (KEYC_UNKNOWN);
                    618:                                m->w = wl->window->id;
1.273     nicm      619:
1.274     nicm      620:                                where = STATUS;
                    621:                                break;
                    622:                        }
1.258     nicm      623:                }
                    624:        }
1.131     nicm      625:
                    626:        /* Not on status line. Adjust position and check for border or pane. */
                    627:        if (where == NOWHERE) {
1.261     nicm      628:                px = x;
1.292     nicm      629:                if (m->statusat == 0 && y >= m->statuslines)
                    630:                        py = y - m->statuslines;
1.131     nicm      631:                else if (m->statusat > 0 && y >= (u_int)m->statusat)
1.261     nicm      632:                        py = m->statusat - 1;
                    633:                else
                    634:                        py = y;
                    635:
                    636:                tty_window_offset(&c->tty, &m->ox, &m->oy, &sx, &sy);
                    637:                log_debug("mouse window @%u at %u,%u (%ux%u)",
                    638:                    s->curw->window->id, m->ox, m->oy, sx, sy);
                    639:                if (px > sx || py > sy)
                    640:                        return (KEYC_UNKNOWN);
                    641:                px = px + m->ox;
                    642:                py = py + m->oy;
1.131     nicm      643:
1.260     nicm      644:                /* Try the pane borders if not zoomed. */
                    645:                if (~s->curw->window->flags & WINDOW_ZOOMED) {
                    646:                        TAILQ_FOREACH(wp, &s->curw->window->panes, entry) {
1.261     nicm      647:                                if ((wp->xoff + wp->sx == px &&
                    648:                                    wp->yoff <= 1 + py &&
                    649:                                    wp->yoff + wp->sy >= py) ||
                    650:                                    (wp->yoff + wp->sy == py &&
                    651:                                    wp->xoff <= 1 + px &&
                    652:                                    wp->xoff + wp->sx >= px))
1.260     nicm      653:                                        break;
                    654:                        }
                    655:                        if (wp != NULL)
                    656:                                where = BORDER;
1.131     nicm      657:                }
1.260     nicm      658:
                    659:                /* Otherwise try inside the pane. */
                    660:                if (where == NOWHERE) {
1.261     nicm      661:                        wp = window_get_active_at(s->curw->window, px, py);
1.260     nicm      662:                        if (wp != NULL)
1.131     nicm      663:                                where = PANE;
1.315     nicm      664:                        else
                    665:                                return (KEYC_UNKNOWN);
1.131     nicm      666:                }
1.260     nicm      667:                if (where == PANE)
                    668:                        log_debug("mouse %u,%u on pane %%%u", x, y, wp->id);
                    669:                else if (where == BORDER)
                    670:                        log_debug("mouse on pane %%%u border", wp->id);
1.131     nicm      671:                m->wp = wp->id;
                    672:                m->w = wp->window->id;
                    673:        } else
                    674:                m->wp = -1;
                    675:
                    676:        /* Stop dragging if needed. */
1.200     nicm      677:        if (type != DRAG && type != WHEEL && c->tty.mouse_drag_flag) {
1.131     nicm      678:                if (c->tty.mouse_drag_release != NULL)
                    679:                        c->tty.mouse_drag_release(c, m);
                    680:
                    681:                c->tty.mouse_drag_update = NULL;
                    682:                c->tty.mouse_drag_release = NULL;
                    683:
1.182     nicm      684:                /*
1.183     nicm      685:                 * End a mouse drag by passing a MouseDragEnd key corresponding
                    686:                 * to the button that started the drag.
1.182     nicm      687:                 */
                    688:                switch (c->tty.mouse_drag_flag) {
                    689:                case 1:
                    690:                        if (where == PANE)
1.183     nicm      691:                                key = KEYC_MOUSEDRAGEND1_PANE;
1.182     nicm      692:                        if (where == STATUS)
1.183     nicm      693:                                key = KEYC_MOUSEDRAGEND1_STATUS;
1.258     nicm      694:                        if (where == STATUS_LEFT)
                    695:                                key = KEYC_MOUSEDRAGEND1_STATUS_LEFT;
                    696:                        if (where == STATUS_RIGHT)
                    697:                                key = KEYC_MOUSEDRAGEND1_STATUS_RIGHT;
1.274     nicm      698:                        if (where == STATUS_DEFAULT)
                    699:                                key = KEYC_MOUSEDRAGEND1_STATUS_DEFAULT;
1.182     nicm      700:                        if (where == BORDER)
1.183     nicm      701:                                key = KEYC_MOUSEDRAGEND1_BORDER;
1.182     nicm      702:                        break;
                    703:                case 2:
                    704:                        if (where == PANE)
1.183     nicm      705:                                key = KEYC_MOUSEDRAGEND2_PANE;
1.182     nicm      706:                        if (where == STATUS)
1.183     nicm      707:                                key = KEYC_MOUSEDRAGEND2_STATUS;
1.258     nicm      708:                        if (where == STATUS_LEFT)
                    709:                                key = KEYC_MOUSEDRAGEND2_STATUS_LEFT;
                    710:                        if (where == STATUS_RIGHT)
                    711:                                key = KEYC_MOUSEDRAGEND2_STATUS_RIGHT;
1.274     nicm      712:                        if (where == STATUS_DEFAULT)
                    713:                                key = KEYC_MOUSEDRAGEND2_STATUS_DEFAULT;
1.182     nicm      714:                        if (where == BORDER)
1.183     nicm      715:                                key = KEYC_MOUSEDRAGEND2_BORDER;
1.182     nicm      716:                        break;
                    717:                case 3:
                    718:                        if (where == PANE)
1.183     nicm      719:                                key = KEYC_MOUSEDRAGEND3_PANE;
1.182     nicm      720:                        if (where == STATUS)
1.183     nicm      721:                                key = KEYC_MOUSEDRAGEND3_STATUS;
1.258     nicm      722:                        if (where == STATUS_LEFT)
                    723:                                key = KEYC_MOUSEDRAGEND3_STATUS_LEFT;
                    724:                        if (where == STATUS_RIGHT)
                    725:                                key = KEYC_MOUSEDRAGEND3_STATUS_RIGHT;
1.274     nicm      726:                        if (where == STATUS_DEFAULT)
                    727:                                key = KEYC_MOUSEDRAGEND3_STATUS_DEFAULT;
1.182     nicm      728:                        if (where == BORDER)
1.183     nicm      729:                                key = KEYC_MOUSEDRAGEND3_BORDER;
1.182     nicm      730:                        break;
                    731:                default:
                    732:                        key = KEYC_MOUSE;
                    733:                        break;
                    734:                }
1.131     nicm      735:                c->tty.mouse_drag_flag = 0;
1.305     nicm      736:                goto out;
1.131     nicm      737:        }
                    738:
                    739:        /* Convert to a key binding. */
1.177     nicm      740:        key = KEYC_UNKNOWN;
1.131     nicm      741:        switch (type) {
                    742:        case NOTYPE:
                    743:                break;
1.209     nicm      744:        case MOVE:
                    745:                if (where == PANE)
                    746:                        key = KEYC_MOUSEMOVE_PANE;
                    747:                if (where == STATUS)
                    748:                        key = KEYC_MOUSEMOVE_STATUS;
1.274     nicm      749:                if (where == STATUS_LEFT)
                    750:                        key = KEYC_MOUSEMOVE_STATUS_LEFT;
                    751:                if (where == STATUS_RIGHT)
                    752:                        key = KEYC_MOUSEMOVE_STATUS_RIGHT;
                    753:                if (where == STATUS_DEFAULT)
                    754:                        key = KEYC_MOUSEMOVE_STATUS_DEFAULT;
1.209     nicm      755:                if (where == BORDER)
                    756:                        key = KEYC_MOUSEMOVE_BORDER;
                    757:                break;
1.131     nicm      758:        case DRAG:
1.204     nicm      759:                if (c->tty.mouse_drag_update != NULL)
                    760:                        key = KEYC_DRAGGING;
                    761:                else {
1.131     nicm      762:                        switch (MOUSE_BUTTONS(b)) {
                    763:                        case 0:
                    764:                                if (where == PANE)
                    765:                                        key = KEYC_MOUSEDRAG1_PANE;
                    766:                                if (where == STATUS)
                    767:                                        key = KEYC_MOUSEDRAG1_STATUS;
1.258     nicm      768:                                if (where == STATUS_LEFT)
                    769:                                        key = KEYC_MOUSEDRAG1_STATUS_LEFT;
                    770:                                if (where == STATUS_RIGHT)
                    771:                                        key = KEYC_MOUSEDRAG1_STATUS_RIGHT;
1.274     nicm      772:                                if (where == STATUS_DEFAULT)
                    773:                                        key = KEYC_MOUSEDRAG1_STATUS_DEFAULT;
1.131     nicm      774:                                if (where == BORDER)
                    775:                                        key = KEYC_MOUSEDRAG1_BORDER;
                    776:                                break;
                    777:                        case 1:
                    778:                                if (where == PANE)
                    779:                                        key = KEYC_MOUSEDRAG2_PANE;
                    780:                                if (where == STATUS)
                    781:                                        key = KEYC_MOUSEDRAG2_STATUS;
1.258     nicm      782:                                if (where == STATUS_LEFT)
                    783:                                        key = KEYC_MOUSEDRAG2_STATUS_LEFT;
                    784:                                if (where == STATUS_RIGHT)
                    785:                                        key = KEYC_MOUSEDRAG2_STATUS_RIGHT;
1.274     nicm      786:                                if (where == STATUS_DEFAULT)
                    787:                                        key = KEYC_MOUSEDRAG2_STATUS_DEFAULT;
1.131     nicm      788:                                if (where == BORDER)
                    789:                                        key = KEYC_MOUSEDRAG2_BORDER;
                    790:                                break;
                    791:                        case 2:
                    792:                                if (where == PANE)
                    793:                                        key = KEYC_MOUSEDRAG3_PANE;
                    794:                                if (where == STATUS)
                    795:                                        key = KEYC_MOUSEDRAG3_STATUS;
1.258     nicm      796:                                if (where == STATUS_LEFT)
                    797:                                        key = KEYC_MOUSEDRAG3_STATUS_LEFT;
                    798:                                if (where == STATUS_RIGHT)
                    799:                                        key = KEYC_MOUSEDRAG3_STATUS_RIGHT;
1.274     nicm      800:                                if (where == STATUS_DEFAULT)
                    801:                                        key = KEYC_MOUSEDRAG3_STATUS_DEFAULT;
1.131     nicm      802:                                if (where == BORDER)
                    803:                                        key = KEYC_MOUSEDRAG3_BORDER;
                    804:                                break;
                    805:                        }
                    806:                }
1.66      nicm      807:
1.182     nicm      808:                /*
                    809:                 * Begin a drag by setting the flag to a non-zero value that
                    810:                 * corresponds to the mouse button in use.
                    811:                 */
                    812:                c->tty.mouse_drag_flag = MOUSE_BUTTONS(b) + 1;
1.131     nicm      813:                break;
                    814:        case WHEEL:
                    815:                if (MOUSE_BUTTONS(b) == MOUSE_WHEEL_UP) {
                    816:                        if (where == PANE)
                    817:                                key = KEYC_WHEELUP_PANE;
                    818:                        if (where == STATUS)
                    819:                                key = KEYC_WHEELUP_STATUS;
1.258     nicm      820:                        if (where == STATUS_LEFT)
                    821:                                key = KEYC_WHEELUP_STATUS_LEFT;
                    822:                        if (where == STATUS_RIGHT)
                    823:                                key = KEYC_WHEELUP_STATUS_RIGHT;
1.274     nicm      824:                        if (where == STATUS_DEFAULT)
                    825:                                key = KEYC_WHEELUP_STATUS_DEFAULT;
1.131     nicm      826:                        if (where == BORDER)
                    827:                                key = KEYC_WHEELUP_BORDER;
                    828:                } else {
                    829:                        if (where == PANE)
                    830:                                key = KEYC_WHEELDOWN_PANE;
                    831:                        if (where == STATUS)
                    832:                                key = KEYC_WHEELDOWN_STATUS;
1.274     nicm      833:                        if (where == STATUS_LEFT)
                    834:                                key = KEYC_WHEELDOWN_STATUS_LEFT;
                    835:                        if (where == STATUS_RIGHT)
                    836:                                key = KEYC_WHEELDOWN_STATUS_RIGHT;
                    837:                        if (where == STATUS_DEFAULT)
                    838:                                key = KEYC_WHEELDOWN_STATUS_DEFAULT;
1.131     nicm      839:                        if (where == BORDER)
                    840:                                key = KEYC_WHEELDOWN_BORDER;
                    841:                }
                    842:                break;
                    843:        case UP:
                    844:                switch (MOUSE_BUTTONS(b)) {
                    845:                case 0:
                    846:                        if (where == PANE)
                    847:                                key = KEYC_MOUSEUP1_PANE;
                    848:                        if (where == STATUS)
                    849:                                key = KEYC_MOUSEUP1_STATUS;
1.258     nicm      850:                        if (where == STATUS_LEFT)
                    851:                                key = KEYC_MOUSEUP1_STATUS_LEFT;
                    852:                        if (where == STATUS_RIGHT)
                    853:                                key = KEYC_MOUSEUP1_STATUS_RIGHT;
1.274     nicm      854:                        if (where == STATUS_DEFAULT)
                    855:                                key = KEYC_MOUSEUP1_STATUS_DEFAULT;
1.131     nicm      856:                        if (where == BORDER)
                    857:                                key = KEYC_MOUSEUP1_BORDER;
                    858:                        break;
                    859:                case 1:
                    860:                        if (where == PANE)
                    861:                                key = KEYC_MOUSEUP2_PANE;
                    862:                        if (where == STATUS)
                    863:                                key = KEYC_MOUSEUP2_STATUS;
1.258     nicm      864:                        if (where == STATUS_LEFT)
                    865:                                key = KEYC_MOUSEUP2_STATUS_LEFT;
                    866:                        if (where == STATUS_RIGHT)
                    867:                                key = KEYC_MOUSEUP2_STATUS_RIGHT;
1.274     nicm      868:                        if (where == STATUS_DEFAULT)
                    869:                                key = KEYC_MOUSEUP2_STATUS_DEFAULT;
1.131     nicm      870:                        if (where == BORDER)
                    871:                                key = KEYC_MOUSEUP2_BORDER;
                    872:                        break;
                    873:                case 2:
                    874:                        if (where == PANE)
                    875:                                key = KEYC_MOUSEUP3_PANE;
                    876:                        if (where == STATUS)
                    877:                                key = KEYC_MOUSEUP3_STATUS;
1.258     nicm      878:                        if (where == STATUS_LEFT)
                    879:                                key = KEYC_MOUSEUP3_STATUS_LEFT;
                    880:                        if (where == STATUS_RIGHT)
                    881:                                key = KEYC_MOUSEUP3_STATUS_RIGHT;
1.274     nicm      882:                        if (where == STATUS_DEFAULT)
                    883:                                key = KEYC_MOUSEUP3_STATUS_DEFAULT;
1.131     nicm      884:                        if (where == BORDER)
                    885:                                key = KEYC_MOUSEUP3_BORDER;
                    886:                        break;
                    887:                }
                    888:                break;
                    889:        case DOWN:
                    890:                switch (MOUSE_BUTTONS(b)) {
                    891:                case 0:
                    892:                        if (where == PANE)
                    893:                                key = KEYC_MOUSEDOWN1_PANE;
                    894:                        if (where == STATUS)
                    895:                                key = KEYC_MOUSEDOWN1_STATUS;
1.258     nicm      896:                        if (where == STATUS_LEFT)
                    897:                                key = KEYC_MOUSEDOWN1_STATUS_LEFT;
                    898:                        if (where == STATUS_RIGHT)
                    899:                                key = KEYC_MOUSEDOWN1_STATUS_RIGHT;
1.274     nicm      900:                        if (where == STATUS_DEFAULT)
                    901:                                key = KEYC_MOUSEDOWN1_STATUS_DEFAULT;
1.131     nicm      902:                        if (where == BORDER)
                    903:                                key = KEYC_MOUSEDOWN1_BORDER;
                    904:                        break;
                    905:                case 1:
                    906:                        if (where == PANE)
                    907:                                key = KEYC_MOUSEDOWN2_PANE;
                    908:                        if (where == STATUS)
                    909:                                key = KEYC_MOUSEDOWN2_STATUS;
1.258     nicm      910:                        if (where == STATUS_LEFT)
                    911:                                key = KEYC_MOUSEDOWN2_STATUS_LEFT;
                    912:                        if (where == STATUS_RIGHT)
                    913:                                key = KEYC_MOUSEDOWN2_STATUS_RIGHT;
1.274     nicm      914:                        if (where == STATUS_DEFAULT)
                    915:                                key = KEYC_MOUSEDOWN2_STATUS_DEFAULT;
1.131     nicm      916:                        if (where == BORDER)
                    917:                                key = KEYC_MOUSEDOWN2_BORDER;
                    918:                        break;
                    919:                case 2:
                    920:                        if (where == PANE)
                    921:                                key = KEYC_MOUSEDOWN3_PANE;
                    922:                        if (where == STATUS)
                    923:                                key = KEYC_MOUSEDOWN3_STATUS;
1.258     nicm      924:                        if (where == STATUS_LEFT)
                    925:                                key = KEYC_MOUSEDOWN3_STATUS_LEFT;
                    926:                        if (where == STATUS_RIGHT)
                    927:                                key = KEYC_MOUSEDOWN3_STATUS_RIGHT;
1.274     nicm      928:                        if (where == STATUS_DEFAULT)
                    929:                                key = KEYC_MOUSEDOWN3_STATUS_DEFAULT;
1.131     nicm      930:                        if (where == BORDER)
                    931:                                key = KEYC_MOUSEDOWN3_BORDER;
1.311     nicm      932:                        break;
                    933:                }
                    934:                break;
                    935:        case SECOND:
                    936:                switch (MOUSE_BUTTONS(b)) {
                    937:                case 0:
                    938:                        if (where == PANE)
                    939:                                key = KEYC_SECONDCLICK1_PANE;
                    940:                        if (where == STATUS)
                    941:                                key = KEYC_SECONDCLICK1_STATUS;
                    942:                        if (where == STATUS_LEFT)
                    943:                                key = KEYC_SECONDCLICK1_STATUS_LEFT;
                    944:                        if (where == STATUS_RIGHT)
                    945:                                key = KEYC_SECONDCLICK1_STATUS_RIGHT;
                    946:                        if (where == STATUS_DEFAULT)
                    947:                                key = KEYC_SECONDCLICK1_STATUS_DEFAULT;
                    948:                        if (where == BORDER)
                    949:                                key = KEYC_SECONDCLICK1_BORDER;
                    950:                        break;
                    951:                case 1:
                    952:                        if (where == PANE)
                    953:                                key = KEYC_SECONDCLICK2_PANE;
                    954:                        if (where == STATUS)
                    955:                                key = KEYC_SECONDCLICK2_STATUS;
                    956:                        if (where == STATUS_LEFT)
                    957:                                key = KEYC_SECONDCLICK2_STATUS_LEFT;
                    958:                        if (where == STATUS_RIGHT)
                    959:                                key = KEYC_SECONDCLICK2_STATUS_RIGHT;
                    960:                        if (where == STATUS_DEFAULT)
                    961:                                key = KEYC_SECONDCLICK2_STATUS_DEFAULT;
                    962:                        if (where == BORDER)
                    963:                                key = KEYC_SECONDCLICK2_BORDER;
                    964:                        break;
                    965:                case 2:
                    966:                        if (where == PANE)
                    967:                                key = KEYC_SECONDCLICK3_PANE;
                    968:                        if (where == STATUS)
                    969:                                key = KEYC_SECONDCLICK3_STATUS;
                    970:                        if (where == STATUS_LEFT)
                    971:                                key = KEYC_SECONDCLICK3_STATUS_LEFT;
                    972:                        if (where == STATUS_RIGHT)
                    973:                                key = KEYC_SECONDCLICK3_STATUS_RIGHT;
                    974:                        if (where == STATUS_DEFAULT)
                    975:                                key = KEYC_SECONDCLICK3_STATUS_DEFAULT;
                    976:                        if (where == BORDER)
                    977:                                key = KEYC_SECONDCLICK3_BORDER;
1.131     nicm      978:                        break;
1.66      nicm      979:                }
1.131     nicm      980:                break;
1.192     nicm      981:        case DOUBLE:
                    982:                switch (MOUSE_BUTTONS(b)) {
                    983:                case 0:
                    984:                        if (where == PANE)
                    985:                                key = KEYC_DOUBLECLICK1_PANE;
                    986:                        if (where == STATUS)
                    987:                                key = KEYC_DOUBLECLICK1_STATUS;
1.258     nicm      988:                        if (where == STATUS_LEFT)
                    989:                                key = KEYC_DOUBLECLICK1_STATUS_LEFT;
                    990:                        if (where == STATUS_RIGHT)
                    991:                                key = KEYC_DOUBLECLICK1_STATUS_RIGHT;
1.274     nicm      992:                        if (where == STATUS_DEFAULT)
                    993:                                key = KEYC_DOUBLECLICK1_STATUS_DEFAULT;
1.192     nicm      994:                        if (where == BORDER)
                    995:                                key = KEYC_DOUBLECLICK1_BORDER;
                    996:                        break;
                    997:                case 1:
                    998:                        if (where == PANE)
                    999:                                key = KEYC_DOUBLECLICK2_PANE;
                   1000:                        if (where == STATUS)
                   1001:                                key = KEYC_DOUBLECLICK2_STATUS;
1.258     nicm     1002:                        if (where == STATUS_LEFT)
                   1003:                                key = KEYC_DOUBLECLICK2_STATUS_LEFT;
                   1004:                        if (where == STATUS_RIGHT)
                   1005:                                key = KEYC_DOUBLECLICK2_STATUS_RIGHT;
1.274     nicm     1006:                        if (where == STATUS_DEFAULT)
                   1007:                                key = KEYC_DOUBLECLICK2_STATUS_DEFAULT;
1.192     nicm     1008:                        if (where == BORDER)
                   1009:                                key = KEYC_DOUBLECLICK2_BORDER;
                   1010:                        break;
                   1011:                case 2:
                   1012:                        if (where == PANE)
                   1013:                                key = KEYC_DOUBLECLICK3_PANE;
                   1014:                        if (where == STATUS)
                   1015:                                key = KEYC_DOUBLECLICK3_STATUS;
1.258     nicm     1016:                        if (where == STATUS_LEFT)
                   1017:                                key = KEYC_DOUBLECLICK3_STATUS_LEFT;
                   1018:                        if (where == STATUS_RIGHT)
                   1019:                                key = KEYC_DOUBLECLICK3_STATUS_RIGHT;
1.274     nicm     1020:                        if (where == STATUS_DEFAULT)
                   1021:                                key = KEYC_DOUBLECLICK3_STATUS_DEFAULT;
1.192     nicm     1022:                        if (where == BORDER)
                   1023:                                key = KEYC_DOUBLECLICK3_BORDER;
                   1024:                        break;
                   1025:                }
                   1026:                break;
                   1027:        case TRIPLE:
                   1028:                switch (MOUSE_BUTTONS(b)) {
                   1029:                case 0:
                   1030:                        if (where == PANE)
                   1031:                                key = KEYC_TRIPLECLICK1_PANE;
                   1032:                        if (where == STATUS)
                   1033:                                key = KEYC_TRIPLECLICK1_STATUS;
1.258     nicm     1034:                        if (where == STATUS_LEFT)
                   1035:                                key = KEYC_TRIPLECLICK1_STATUS_LEFT;
                   1036:                        if (where == STATUS_RIGHT)
                   1037:                                key = KEYC_TRIPLECLICK1_STATUS_RIGHT;
1.274     nicm     1038:                        if (where == STATUS_DEFAULT)
                   1039:                                key = KEYC_TRIPLECLICK1_STATUS_DEFAULT;
1.192     nicm     1040:                        if (where == BORDER)
                   1041:                                key = KEYC_TRIPLECLICK1_BORDER;
                   1042:                        break;
                   1043:                case 1:
                   1044:                        if (where == PANE)
                   1045:                                key = KEYC_TRIPLECLICK2_PANE;
                   1046:                        if (where == STATUS)
                   1047:                                key = KEYC_TRIPLECLICK2_STATUS;
1.258     nicm     1048:                        if (where == STATUS_LEFT)
                   1049:                                key = KEYC_TRIPLECLICK2_STATUS_LEFT;
                   1050:                        if (where == STATUS_RIGHT)
                   1051:                                key = KEYC_TRIPLECLICK2_STATUS_RIGHT;
1.274     nicm     1052:                        if (where == STATUS_DEFAULT)
                   1053:                                key = KEYC_TRIPLECLICK2_STATUS_DEFAULT;
1.192     nicm     1054:                        if (where == BORDER)
                   1055:                                key = KEYC_TRIPLECLICK2_BORDER;
                   1056:                        break;
                   1057:                case 2:
                   1058:                        if (where == PANE)
                   1059:                                key = KEYC_TRIPLECLICK3_PANE;
                   1060:                        if (where == STATUS)
                   1061:                                key = KEYC_TRIPLECLICK3_STATUS;
1.258     nicm     1062:                        if (where == STATUS_LEFT)
                   1063:                                key = KEYC_TRIPLECLICK3_STATUS_LEFT;
                   1064:                        if (where == STATUS_RIGHT)
                   1065:                                key = KEYC_TRIPLECLICK3_STATUS_RIGHT;
1.274     nicm     1066:                        if (where == STATUS_DEFAULT)
                   1067:                                key = KEYC_TRIPLECLICK3_STATUS_DEFAULT;
1.192     nicm     1068:                        if (where == BORDER)
                   1069:                                key = KEYC_TRIPLECLICK3_BORDER;
                   1070:                        break;
                   1071:                }
                   1072:                break;
1.66      nicm     1073:        }
1.177     nicm     1074:        if (key == KEYC_UNKNOWN)
                   1075:                return (KEYC_UNKNOWN);
1.66      nicm     1076:
1.305     nicm     1077: out:
1.131     nicm     1078:        /* Apply modifiers if any. */
                   1079:        if (b & MOUSE_MASK_META)
1.342     nicm     1080:                key |= KEYC_META;
1.131     nicm     1081:        if (b & MOUSE_MASK_CTRL)
                   1082:                key |= KEYC_CTRL;
                   1083:        if (b & MOUSE_MASK_SHIFT)
                   1084:                key |= KEYC_SHIFT;
1.66      nicm     1085:
1.305     nicm     1086:        if (log_get_level() != 0)
1.343     nicm     1087:                log_debug("mouse key is %s", key_string_lookup_key (key, 1));
1.131     nicm     1088:        return (key);
1.66      nicm     1089: }
                   1090:
1.82      nicm     1091: /* Is this fast enough to probably be a paste? */
1.190     nicm     1092: static int
1.82      nicm     1093: server_client_assume_paste(struct session *s)
                   1094: {
                   1095:        struct timeval  tv;
1.84      nicm     1096:        int             t;
1.82      nicm     1097:
1.163     nicm     1098:        if ((t = options_get_number(s->options, "assume-paste-time")) == 0)
1.83      nicm     1099:                return (0);
1.82      nicm     1100:
                   1101:        timersub(&s->activity_time, &s->last_activity_time, &tv);
1.171     nicm     1102:        if (tv.tv_sec == 0 && tv.tv_usec < t * 1000) {
                   1103:                log_debug("session %s pasting (flag %d)", s->name,
                   1104:                    !!(s->flags & SESSION_PASTING));
                   1105:                if (s->flags & SESSION_PASTING)
                   1106:                        return (1);
                   1107:                s->flags |= SESSION_PASTING;
                   1108:                return (0);
                   1109:        }
                   1110:        log_debug("session %s not pasting", s->name);
                   1111:        s->flags &= ~SESSION_PASTING;
1.83      nicm     1112:        return (0);
1.82      nicm     1113: }
                   1114:
1.295     nicm     1115: /* Has the latest client changed? */
                   1116: static void
                   1117: server_client_update_latest(struct client *c)
                   1118: {
                   1119:        struct window   *w;
                   1120:
                   1121:        if (c->session == NULL)
                   1122:                return;
                   1123:        w = c->session->curw->window;
                   1124:
                   1125:        if (w->latest == c)
                   1126:                return;
                   1127:        w->latest = c;
                   1128:
                   1129:        if (options_get_number(w->options, "window-size") == WINDOW_SIZE_LATEST)
1.355     nicm     1130:                recalculate_size(w, 0);
1.377     nicm     1131:
                   1132:        notify_client("client-active", c);
1.295     nicm     1133: }
                   1134:
1.276     nicm     1135: /*
                   1136:  * Handle data key input from client. This owns and can modify the key event it
                   1137:  * is given and is responsible for freeing it.
                   1138:  */
1.280     nicm     1139: static enum cmd_retval
1.276     nicm     1140: server_client_key_callback(struct cmdq_item *item, void *data)
1.18      nicm     1141: {
1.316     nicm     1142:        struct client                   *c = cmdq_get_client(item);
1.276     nicm     1143:        struct key_event                *event = data;
                   1144:        key_code                         key = event->key;
                   1145:        struct mouse_event              *m = &event->m;
1.267     nicm     1146:        struct session                  *s = c->session;
                   1147:        struct winlink                  *wl;
                   1148:        struct window_pane              *wp;
                   1149:        struct window_mode_entry        *wme;
                   1150:        struct timeval                   tv;
                   1151:        struct key_table                *table, *first;
                   1152:        struct key_binding              *bd;
                   1153:        int                              xtimeout, flags;
                   1154:        struct cmd_find_state            fs;
                   1155:        key_code                         key0;
1.18      nicm     1156:
                   1157:        /* Check the client is good to accept input. */
1.303     nicm     1158:        if (s == NULL || (c->flags & CLIENT_UNATTACHEDFLAGS))
1.276     nicm     1159:                goto out;
1.264     nicm     1160:        wl = s->curw;
1.18      nicm     1161:
                   1162:        /* Update the activity timer. */
                   1163:        if (gettimeofday(&c->activity_time, NULL) != 0)
                   1164:                fatal("gettimeofday failed");
1.149     nicm     1165:        session_update_activity(s, &c->activity_time);
1.18      nicm     1166:
                   1167:        /* Check for mouse keys. */
1.204     nicm     1168:        m->valid = 0;
1.306     nicm     1169:        if (key == KEYC_MOUSE || key == KEYC_DOUBLECLICK) {
1.30      nicm     1170:                if (c->flags & CLIENT_READONLY)
1.276     nicm     1171:                        goto out;
                   1172:                key = server_client_check_mouse(c, event);
1.177     nicm     1173:                if (key == KEYC_UNKNOWN)
1.276     nicm     1174:                        goto out;
1.131     nicm     1175:
                   1176:                m->valid = 1;
                   1177:                m->key = key;
1.203     nicm     1178:
                   1179:                /*
1.204     nicm     1180:                 * Mouse drag is in progress, so fire the callback (now that
                   1181:                 * the mouse event is valid).
1.203     nicm     1182:                 */
1.305     nicm     1183:                if ((key & KEYC_MASK_KEY) == KEYC_DRAGGING) {
1.204     nicm     1184:                        c->tty.mouse_drag_update(c, m);
1.276     nicm     1185:                        goto out;
1.204     nicm     1186:                }
1.338     nicm     1187:                event->key = key;
1.276     nicm     1188:        }
1.18      nicm     1189:
1.202     nicm     1190:        /* Find affected pane. */
1.243     nicm     1191:        if (!KEYC_IS_MOUSE(key) || cmd_find_from_mouse(&fs, m, 0) != 0)
1.341     nicm     1192:                cmd_find_from_client(&fs, c, 0);
1.227     nicm     1193:        wp = fs.wp;
1.202     nicm     1194:
                   1195:        /* Forward mouse keys if disabled. */
1.206     nicm     1196:        if (KEYC_IS_MOUSE(key) && !options_get_number(s->options, "mouse"))
1.253     nicm     1197:                goto forward_key;
1.202     nicm     1198:
1.132     nicm     1199:        /* Treat everything as a regular key when pasting is detected. */
1.161     nicm     1200:        if (!KEYC_IS_MOUSE(key) && server_client_assume_paste(s))
1.253     nicm     1201:                goto forward_key;
1.18      nicm     1202:
1.191     nicm     1203:        /*
                   1204:         * Work out the current key table. If the pane is in a mode, use
                   1205:         * the mode table instead of the default key table.
                   1206:         */
1.223     nicm     1207:        if (server_client_is_default_key_table(c, c->keytable) &&
                   1208:            wp != NULL &&
1.267     nicm     1209:            (wme = TAILQ_FIRST(&wp->modes)) != NULL &&
                   1210:            wme->mode->key_table != NULL)
                   1211:                table = key_bindings_get_table(wme->mode->key_table(wme), 1);
1.223     nicm     1212:        else
1.191     nicm     1213:                table = c->keytable;
1.223     nicm     1214:        first = table;
1.191     nicm     1215:
1.253     nicm     1216: table_changed:
1.205     nicm     1217:        /*
                   1218:         * The prefix always takes precedence and forces a switch to the prefix
                   1219:         * table, unless we are already there.
                   1220:         */
1.343     nicm     1221:        key0 = (key & (KEYC_MASK_KEY|KEYC_MASK_MODIFIERS));
1.239     nicm     1222:        if ((key0 == (key_code)options_get_number(s->options, "prefix") ||
                   1223:            key0 == (key_code)options_get_number(s->options, "prefix2")) &&
1.205     nicm     1224:            strcmp(table->name, "prefix") != 0) {
                   1225:                server_client_set_key_table(c, "prefix");
                   1226:                server_status_client(c);
1.276     nicm     1227:                goto out;
1.205     nicm     1228:        }
1.238     nicm     1229:        flags = c->flags;
1.205     nicm     1230:
1.262     nicm     1231: try_again:
1.223     nicm     1232:        /* Log key table. */
                   1233:        if (wp == NULL)
                   1234:                log_debug("key table %s (no pane)", table->name);
                   1235:        else
                   1236:                log_debug("key table %s (pane %%%u)", table->name, wp->id);
1.225     nicm     1237:        if (c->flags & CLIENT_REPEAT)
                   1238:                log_debug("currently repeating");
1.223     nicm     1239:
1.132     nicm     1240:        /* Try to see if there is a key binding in the current table. */
1.254     nicm     1241:        bd = key_bindings_get(table, key0);
1.132     nicm     1242:        if (bd != NULL) {
                   1243:                /*
                   1244:                 * Key was matched in this table. If currently repeating but a
                   1245:                 * non-repeating binding was found, stop repeating and try
                   1246:                 * again in the root table.
                   1247:                 */
1.222     nicm     1248:                if ((c->flags & CLIENT_REPEAT) &&
                   1249:                    (~bd->flags & KEY_BINDING_REPEAT)) {
1.262     nicm     1250:                        log_debug("found in key table %s (not repeating)",
                   1251:                            table->name);
1.178     nicm     1252:                        server_client_set_key_table(c, NULL);
1.262     nicm     1253:                        first = table = c->keytable;
1.132     nicm     1254:                        c->flags &= ~CLIENT_REPEAT;
1.85      nicm     1255:                        server_status_client(c);
1.253     nicm     1256:                        goto table_changed;
1.18      nicm     1257:                }
1.223     nicm     1258:                log_debug("found in key table %s", table->name);
1.82      nicm     1259:
1.132     nicm     1260:                /*
                   1261:                 * Take a reference to this table to make sure the key binding
                   1262:                 * doesn't disappear.
                   1263:                 */
                   1264:                table->references++;
                   1265:
                   1266:                /*
                   1267:                 * If this is a repeating key, start the timer. Otherwise reset
                   1268:                 * the client back to the root table.
                   1269:                 */
1.163     nicm     1270:                xtimeout = options_get_number(s->options, "repeat-time");
1.222     nicm     1271:                if (xtimeout != 0 && (bd->flags & KEY_BINDING_REPEAT)) {
1.132     nicm     1272:                        c->flags |= CLIENT_REPEAT;
                   1273:
                   1274:                        tv.tv_sec = xtimeout / 1000;
                   1275:                        tv.tv_usec = (xtimeout % 1000) * 1000L;
                   1276:                        evtimer_del(&c->repeat_timer);
                   1277:                        evtimer_add(&c->repeat_timer, &tv);
                   1278:                } else {
1.18      nicm     1279:                        c->flags &= ~CLIENT_REPEAT;
1.178     nicm     1280:                        server_client_set_key_table(c, NULL);
1.18      nicm     1281:                }
1.132     nicm     1282:                server_status_client(c);
                   1283:
1.227     nicm     1284:                /* Execute the key binding. */
1.317     nicm     1285:                key_bindings_dispatch(bd, item, c, event, &fs);
1.132     nicm     1286:                key_bindings_unref_table(table);
1.276     nicm     1287:                goto out;
1.18      nicm     1288:        }
                   1289:
1.132     nicm     1290:        /*
1.253     nicm     1291:         * No match, try the ANY key.
                   1292:         */
                   1293:        if (key0 != KEYC_ANY) {
                   1294:                key0 = KEYC_ANY;
                   1295:                goto try_again;
                   1296:        }
                   1297:
                   1298:        /*
1.223     nicm     1299:         * No match in this table. If not in the root table or if repeating,
                   1300:         * switch the client back to the root table and try again.
1.132     nicm     1301:         */
1.223     nicm     1302:        log_debug("not found in key table %s", table->name);
                   1303:        if (!server_client_is_default_key_table(c, table) ||
                   1304:            (c->flags & CLIENT_REPEAT)) {
1.262     nicm     1305:                log_debug("trying in root table");
1.178     nicm     1306:                server_client_set_key_table(c, NULL);
1.262     nicm     1307:                table = c->keytable;
                   1308:                if (c->flags & CLIENT_REPEAT)
                   1309:                        first = table;
1.18      nicm     1310:                c->flags &= ~CLIENT_REPEAT;
1.132     nicm     1311:                server_status_client(c);
1.253     nicm     1312:                goto table_changed;
1.18      nicm     1313:        }
                   1314:
1.223     nicm     1315:        /*
                   1316:         * No match in the root table either. If this wasn't the first table
                   1317:         * tried, don't pass the key to the pane.
                   1318:         */
1.238     nicm     1319:        if (first != table && (~flags & CLIENT_REPEAT)) {
1.178     nicm     1320:                server_client_set_key_table(c, NULL);
1.132     nicm     1321:                server_status_client(c);
1.276     nicm     1322:                goto out;
1.161     nicm     1323:        }
                   1324:
1.253     nicm     1325: forward_key:
1.161     nicm     1326:        if (c->flags & CLIENT_READONLY)
1.276     nicm     1327:                goto out;
1.161     nicm     1328:        if (wp != NULL)
1.264     nicm     1329:                window_pane_key(wp, c, s, wl, key, m);
1.276     nicm     1330:
                   1331: out:
1.347     nicm     1332:        if (s != NULL && key != KEYC_FOCUS_OUT)
1.295     nicm     1333:                server_client_update_latest(c);
1.276     nicm     1334:        free(event);
                   1335:        return (CMD_RETURN_NORMAL);
1.280     nicm     1336: }
                   1337:
                   1338: /* Handle a key event. */
                   1339: int
                   1340: server_client_handle_key(struct client *c, struct key_event *event)
                   1341: {
                   1342:        struct session          *s = c->session;
                   1343:        struct cmdq_item        *item;
                   1344:
                   1345:        /* Check the client is good to accept input. */
1.303     nicm     1346:        if (s == NULL || (c->flags & CLIENT_UNATTACHEDFLAGS))
1.280     nicm     1347:                return (0);
                   1348:
                   1349:        /*
1.291     nicm     1350:         * Key presses in overlay mode and the command prompt are a special
                   1351:         * case. The queue might be blocked so they need to be processed
                   1352:         * immediately rather than queued.
1.280     nicm     1353:         */
1.291     nicm     1354:        if (~c->flags & CLIENT_READONLY) {
1.372     nicm     1355:                if (c->message_string != NULL) {
                   1356:                        if (c->message_ignore_keys)
                   1357:                                return (0);
                   1358:                        status_message_clear(c);
                   1359:                }
1.291     nicm     1360:                if (c->overlay_key != NULL) {
                   1361:                        switch (c->overlay_key(c, event)) {
                   1362:                        case 0:
                   1363:                                return (0);
                   1364:                        case 1:
                   1365:                                server_client_clear_overlay(c);
                   1366:                                return (0);
                   1367:                        }
1.290     nicm     1368:                }
1.293     nicm     1369:                server_client_clear_overlay(c);
1.335     nicm     1370:                if (c->prompt_string != NULL) {
                   1371:                        if (status_prompt_key(c, event->key) == 0)
                   1372:                                return (0);
                   1373:                }
1.280     nicm     1374:        }
                   1375:
                   1376:        /*
                   1377:         * Add the key to the queue so it happens after any commands queued by
                   1378:         * previous keys.
                   1379:         */
                   1380:        item = cmdq_get_callback(server_client_key_callback, event);
                   1381:        cmdq_append(c, item);
                   1382:        return (1);
1.18      nicm     1383: }
                   1384:
1.2       nicm     1385: /* Client functions that need to happen every loop. */
                   1386: void
                   1387: server_client_loop(void)
                   1388: {
                   1389:        struct client           *c;
                   1390:        struct window           *w;
                   1391:        struct window_pane      *wp;
1.344     nicm     1392:        int                      focus;
                   1393:
                   1394:        /* Check for window resize. This is done before redrawing. */
                   1395:        RB_FOREACH(w, windows, &windows)
                   1396:                server_client_check_window_resize(w);
1.2       nicm     1397:
1.344     nicm     1398:        /* Check clients. */
1.135     nicm     1399:        TAILQ_FOREACH(c, &clients, entry) {
1.36      nicm     1400:                server_client_check_exit(c);
                   1401:                if (c->session != NULL) {
1.366     nicm     1402:                        server_client_check_modes(c);
1.36      nicm     1403:                        server_client_check_redraw(c);
                   1404:                        server_client_reset_state(c);
                   1405:                }
1.2       nicm     1406:        }
                   1407:
                   1408:        /*
                   1409:         * Any windows will have been redrawn as part of clients, so clear
1.92      nicm     1410:         * their flags now. Also check pane focus and resize.
1.2       nicm     1411:         */
1.197     nicm     1412:        focus = options_get_number(global_options, "focus-events");
1.134     nicm     1413:        RB_FOREACH(w, windows, &windows) {
1.91      nicm     1414:                TAILQ_FOREACH(wp, &w->panes, entry) {
1.289     nicm     1415:                        if (wp->fd != -1) {
1.197     nicm     1416:                                if (focus)
1.344     nicm     1417:                                        server_client_check_pane_focus(wp);
                   1418:                                server_client_check_pane_resize(wp);
1.345     nicm     1419:                                server_client_check_pane_buffer(wp);
1.101     nicm     1420:                        }
1.326     nicm     1421:                        wp->flags &= ~PANE_REDRAW;
1.91      nicm     1422:                }
1.150     nicm     1423:                check_window_name(w);
1.2       nicm     1424:        }
1.92      nicm     1425: }
                   1426:
1.344     nicm     1427: /* Check if window needs to be resized. */
                   1428: static void
                   1429: server_client_check_window_resize(struct window *w)
                   1430: {
                   1431:        struct winlink  *wl;
                   1432:
                   1433:        if (~w->flags & WINDOW_RESIZE)
                   1434:                return;
                   1435:
                   1436:        TAILQ_FOREACH(wl, &w->winlinks, wentry) {
                   1437:                if (wl->session->attached != 0 && wl->session->curw == wl)
                   1438:                        break;
                   1439:        }
                   1440:        if (wl == NULL)
                   1441:                return;
                   1442:
                   1443:        log_debug("%s: resizing window @%u", __func__, w->id);
                   1444:        resize_window(w, w->new_sx, w->new_sy, w->new_xpixel, w->new_ypixel);
                   1445: }
                   1446:
1.356     nicm     1447: /* Resize timer event. */
1.188     nicm     1448: static void
1.356     nicm     1449: server_client_resize_timer(__unused int fd, __unused short events, void *data)
1.92      nicm     1450: {
1.356     nicm     1451:        struct window_pane      *wp = data;
1.92      nicm     1452:
1.356     nicm     1453:        log_debug("%s: %%%u resize timer expired", __func__, wp->id);
                   1454:        evtimer_del(&wp->resize_timer);
1.188     nicm     1455: }
                   1456:
1.374     nicm     1457: /* Check if pane should be resized. */
1.294     nicm     1458: static void
1.374     nicm     1459: server_client_check_pane_resize(struct window_pane *wp)
1.294     nicm     1460: {
1.374     nicm     1461:        struct window_pane_resize       *r;
                   1462:        struct window_pane_resize       *r1;
                   1463:        struct window_pane_resize       *first;
                   1464:        struct window_pane_resize       *last;
                   1465:        struct timeval                   tv = { .tv_usec = 250000 };
1.294     nicm     1466:
1.374     nicm     1467:        if (TAILQ_EMPTY(&wp->resize_queue))
                   1468:                return;
1.294     nicm     1469:
1.356     nicm     1470:        if (!event_initialized(&wp->resize_timer))
                   1471:                evtimer_set(&wp->resize_timer, server_client_resize_timer, wp);
1.374     nicm     1472:        if (evtimer_pending(&wp->resize_timer, NULL))
                   1473:                return;
1.356     nicm     1474:
                   1475:        log_debug("%s: %%%u needs to be resized", __func__, wp->id);
1.374     nicm     1476:        TAILQ_FOREACH(r, &wp->resize_queue, entry) {
                   1477:                log_debug("queued resize: %ux%u -> %ux%u", r->osx, r->osy,
                   1478:                    r->sx, r->sy);
1.356     nicm     1479:        }
1.188     nicm     1480:
1.374     nicm     1481:        /*
                   1482:         * There are three cases that matter:
                   1483:         *
                   1484:         * - Only one resize. It can just be applied.
                   1485:         *
                   1486:         * - Multiple resizes and the ending size is different from the
                   1487:         *   starting size. We can discard all resizes except the most recent.
                   1488:         *
                   1489:         * - Multiple resizes and the ending size is the same as the starting
                   1490:         *   size. We must resize at least twice to force the application to
                   1491:         *   redraw. So apply the first and leave the last on the queue for
                   1492:         *   next time.
                   1493:         */
                   1494:        first = TAILQ_FIRST(&wp->resize_queue);
                   1495:        last = TAILQ_LAST(&wp->resize_queue, window_pane_resizes);
                   1496:        if (first == last) {
                   1497:                /* Only one resize. */
                   1498:                window_pane_send_resize(wp, first->sx, first->sy);
                   1499:                TAILQ_REMOVE(&wp->resize_queue, first, entry);
                   1500:                free(first);
                   1501:        } else if (last->sx != first->osx || last->sy != first->osy) {
                   1502:                /* Multiple resizes ending up with a different size. */
                   1503:                window_pane_send_resize(wp, last->sx, last->sy);
                   1504:                TAILQ_FOREACH_SAFE(r, &wp->resize_queue, entry, r1) {
                   1505:                        TAILQ_REMOVE(&wp->resize_queue, r, entry);
                   1506:                        free(r);
                   1507:                }
1.356     nicm     1508:        } else {
                   1509:                /*
1.374     nicm     1510:                 * Multiple resizes ending up with the same size. There will
                   1511:                 * not be more than one to the same size in succession so we
                   1512:                 * can just use the last-but-one on the list and leave the last
                   1513:                 * for later. We reduce the time until the next check to avoid
                   1514:                 * a long delay between the resizes.
1.356     nicm     1515:                 */
1.374     nicm     1516:                r = TAILQ_PREV(last, window_pane_resizes, entry);
                   1517:                window_pane_send_resize(wp, r->sx, r->sy);
                   1518:                TAILQ_FOREACH_SAFE(r, &wp->resize_queue, entry, r1) {
                   1519:                        if (r == last)
                   1520:                                break;
                   1521:                        TAILQ_REMOVE(&wp->resize_queue, r, entry);
                   1522:                        free(r);
1.356     nicm     1523:                }
1.374     nicm     1524:                tv.tv_usec = 10000;
1.356     nicm     1525:        }
1.374     nicm     1526:        evtimer_add(&wp->resize_timer, &tv);
1.345     nicm     1527: }
1.374     nicm     1528:
1.345     nicm     1529:
                   1530: /* Check pane buffer size. */
                   1531: static void
                   1532: server_client_check_pane_buffer(struct window_pane *wp)
                   1533: {
                   1534:        struct evbuffer                 *evb = wp->event->input;
                   1535:        size_t                           minimum;
                   1536:        struct client                   *c;
1.346     nicm     1537:        struct window_pane_offset       *wpo;
                   1538:        int                              off = 1, flag;
                   1539:        u_int                            attached_clients = 0;
1.353     nicm     1540:        size_t                           new_size;
1.345     nicm     1541:
                   1542:        /*
1.352     nicm     1543:         * Work out the minimum used size. This is the most that can be removed
                   1544:         * from the buffer.
1.345     nicm     1545:         */
1.352     nicm     1546:        minimum = wp->offset.used;
                   1547:        if (wp->pipe_fd != -1 && wp->pipe_offset.used < minimum)
                   1548:                minimum = wp->pipe_offset.used;
1.345     nicm     1549:        TAILQ_FOREACH(c, &clients, entry) {
                   1550:                if (c->session == NULL)
                   1551:                        continue;
1.346     nicm     1552:                attached_clients++;
                   1553:
                   1554:                if (~c->flags & CLIENT_CONTROL) {
1.345     nicm     1555:                        off = 0;
                   1556:                        continue;
                   1557:                }
1.346     nicm     1558:                wpo = control_pane_offset(c, wp, &flag);
                   1559:                if (wpo == NULL) {
1.345     nicm     1560:                        off = 0;
1.346     nicm     1561:                        continue;
                   1562:                }
                   1563:                if (!flag)
                   1564:                        off = 0;
                   1565:
1.353     nicm     1566:                window_pane_get_new_data(wp, wpo, &new_size);
                   1567:                log_debug("%s: %s has %zu bytes used and %zu left for %%%u",
                   1568:                    __func__, c->name, wpo->used - wp->base_offset, new_size,
                   1569:                    wp->id);
                   1570:                if (wpo->used < minimum)
1.352     nicm     1571:                        minimum = wpo->used;
1.345     nicm     1572:        }
1.346     nicm     1573:        if (attached_clients == 0)
                   1574:                off = 0;
1.345     nicm     1575:        minimum -= wp->base_offset;
                   1576:        if (minimum == 0)
                   1577:                goto out;
                   1578:
                   1579:        /* Drain the buffer. */
1.352     nicm     1580:        log_debug("%s: %%%u has %zu minimum (of %zu) bytes used", __func__,
                   1581:            wp->id, minimum, EVBUFFER_LENGTH(evb));
1.345     nicm     1582:        evbuffer_drain(evb, minimum);
                   1583:
                   1584:        /*
                   1585:         * Adjust the base offset. If it would roll over, all the offsets into
                   1586:         * the buffer need to be adjusted.
                   1587:         */
                   1588:        if (wp->base_offset > SIZE_MAX - minimum) {
                   1589:                log_debug("%s: %%%u base offset has wrapped", __func__, wp->id);
                   1590:                wp->offset.used -= wp->base_offset;
1.352     nicm     1591:                if (wp->pipe_fd != -1)
1.345     nicm     1592:                        wp->pipe_offset.used -= wp->base_offset;
                   1593:                TAILQ_FOREACH(c, &clients, entry) {
                   1594:                        if (c->session == NULL || (~c->flags & CLIENT_CONTROL))
                   1595:                                continue;
1.346     nicm     1596:                        wpo = control_pane_offset(c, wp, &flag);
1.352     nicm     1597:                        if (wpo != NULL && !flag)
1.346     nicm     1598:                                wpo->used -= wp->base_offset;
1.345     nicm     1599:                }
                   1600:                wp->base_offset = minimum;
                   1601:        } else
                   1602:                wp->base_offset += minimum;
                   1603:
                   1604: out:
                   1605:        /*
                   1606:         * If there is data remaining, and there are no clients able to consume
1.351     nicm     1607:         * it, do not read any more. This is true when there are attached
                   1608:         * clients, all of which are control clients which are not able to
                   1609:         * accept any more data.
1.345     nicm     1610:         */
1.352     nicm     1611:        log_debug("%s: pane %%%u is %s", __func__, wp->id, off ? "off" : "on");
1.345     nicm     1612:        if (off)
                   1613:                bufferevent_disable(wp->event, EV_READ);
                   1614:        else
                   1615:                bufferevent_enable(wp->event, EV_READ);
1.91      nicm     1616: }
                   1617:
                   1618: /* Check whether pane should be focused. */
1.190     nicm     1619: static void
1.344     nicm     1620: server_client_check_pane_focus(struct window_pane *wp)
1.91      nicm     1621: {
1.93      nicm     1622:        struct client   *c;
1.102     nicm     1623:        int              push;
                   1624:
                   1625:        /* Do we need to push the focus state? */
                   1626:        push = wp->flags & PANE_FOCUSPUSH;
                   1627:        wp->flags &= ~PANE_FOCUSPUSH;
1.91      nicm     1628:
                   1629:        /* If we're not the active pane in our window, we're not focused. */
                   1630:        if (wp->window->active != wp)
                   1631:                goto not_focused;
                   1632:
                   1633:        /*
1.93      nicm     1634:         * If our window is the current window in any focused clients with an
                   1635:         * attached session, we're focused.
1.91      nicm     1636:         */
1.135     nicm     1637:        TAILQ_FOREACH(c, &clients, entry) {
                   1638:                if (c->session == NULL || !(c->flags & CLIENT_FOCUSED))
1.91      nicm     1639:                        continue;
1.255     nicm     1640:                if (c->session->attached == 0)
1.93      nicm     1641:                        continue;
                   1642:
                   1643:                if (c->session->curw->window == wp->window)
1.91      nicm     1644:                        goto focused;
                   1645:        }
                   1646:
                   1647: not_focused:
1.251     nicm     1648:        if (push || (wp->flags & PANE_FOCUSED)) {
                   1649:                if (wp->base.mode & MODE_FOCUSON)
                   1650:                        bufferevent_write(wp->event, "\033[O", 3);
                   1651:                notify_pane("pane-focus-out", wp);
                   1652:        }
1.91      nicm     1653:        wp->flags &= ~PANE_FOCUSED;
                   1654:        return;
                   1655:
                   1656: focused:
1.251     nicm     1657:        if (push || !(wp->flags & PANE_FOCUSED)) {
                   1658:                if (wp->base.mode & MODE_FOCUSON)
                   1659:                        bufferevent_write(wp->event, "\033[I", 3);
                   1660:                notify_pane("pane-focus-in", wp);
1.275     nicm     1661:                session_update_activity(c->session, NULL);
1.251     nicm     1662:        }
1.91      nicm     1663:        wp->flags |= PANE_FOCUSED;
1.2       nicm     1664: }
                   1665:
1.18      nicm     1666: /*
                   1667:  * Update cursor position and mode settings. The scroll region and attributes
                   1668:  * are cleared when idle (waiting for an event) as this is the most likely time
                   1669:  * a user may interrupt tmux, for example with ~^Z in ssh(1). This is a
                   1670:  * compromise between excessive resets and likelihood of an interrupt.
                   1671:  *
                   1672:  * tty_region/tty_reset/tty_update_mode already take care of not resetting
                   1673:  * things that are already in their default state.
                   1674:  */
1.190     nicm     1675: static void
1.18      nicm     1676: server_client_reset_state(struct client *c)
1.1       nicm     1677: {
1.332     nicm     1678:        struct tty              *tty = &c->tty;
1.18      nicm     1679:        struct window           *w = c->session->curw->window;
1.341     nicm     1680:        struct window_pane      *wp = server_client_get_pane(c), *loop;
1.336     nicm     1681:        struct screen           *s = NULL;
1.163     nicm     1682:        struct options          *oo = c->session->options;
1.336     nicm     1683:        int                      mode = 0, cursor, flags;
1.261     nicm     1684:        u_int                    cx = 0, cy = 0, ox, oy, sx, sy;
1.60      nicm     1685:
1.186     nicm     1686:        if (c->flags & (CLIENT_CONTROL|CLIENT_SUSPENDED))
1.86      nicm     1687:                return;
                   1688:
1.332     nicm     1689:        /* Disable the block flag. */
                   1690:        flags = (tty->flags & TTY_BLOCK);
                   1691:        tty->flags &= ~TTY_BLOCK;
                   1692:
1.309     nicm     1693:        /* Get mode from overlay if any, else from screen. */
                   1694:        if (c->overlay_draw != NULL) {
1.336     nicm     1695:                if (c->overlay_mode != NULL)
                   1696:                        s = c->overlay_mode(c, &cx, &cy);
                   1697:        } else
1.309     nicm     1698:                s = wp->screen;
1.336     nicm     1699:        if (s != NULL)
1.309     nicm     1700:                mode = s->mode;
1.375     nicm     1701:        if (log_get_level() != 0) {
                   1702:                log_debug("%s: client %s mode %s", __func__, c->name,
                   1703:                    screen_mode_to_string(mode));
                   1704:        }
1.309     nicm     1705:
                   1706:        /* Reset region and margin. */
1.332     nicm     1707:        tty_region_off(tty);
                   1708:        tty_margin_off(tty);
1.1       nicm     1709:
1.261     nicm     1710:        /* Move cursor to pane cursor and offset. */
1.309     nicm     1711:        if (c->overlay_draw == NULL) {
                   1712:                cursor = 0;
1.332     nicm     1713:                tty_window_offset(tty, &ox, &oy, &sx, &sy);
1.309     nicm     1714:                if (wp->xoff + s->cx >= ox && wp->xoff + s->cx <= ox + sx &&
                   1715:                    wp->yoff + s->cy >= oy && wp->yoff + s->cy <= oy + sy) {
                   1716:                        cursor = 1;
1.261     nicm     1717:
1.309     nicm     1718:                        cx = wp->xoff + s->cx - ox;
                   1719:                        cy = wp->yoff + s->cy - oy;
1.261     nicm     1720:
1.309     nicm     1721:                        if (status_at_line(c) == 0)
                   1722:                                cy += status_line_size(c);
                   1723:                }
                   1724:                if (!cursor)
                   1725:                        mode &= ~MODE_CURSOR;
1.261     nicm     1726:        }
1.332     nicm     1727:        log_debug("%s: cursor to %u,%u", __func__, cx, cy);
                   1728:        tty_cursor(tty, cx, cy);
1.1       nicm     1729:
1.50      nicm     1730:        /*
1.131     nicm     1731:         * Set mouse mode if requested. To support dragging, always use button
                   1732:         * mode.
1.57      nicm     1733:         */
1.209     nicm     1734:        if (options_get_number(oo, "mouse")) {
1.309     nicm     1735:                if (c->overlay_draw == NULL) {
1.363     nicm     1736:                        mode &= ~ALL_MOUSE_MODES;
1.309     nicm     1737:                        TAILQ_FOREACH(loop, &w->panes, entry) {
                   1738:                                if (loop->screen->mode & MODE_MOUSE_ALL)
                   1739:                                        mode |= MODE_MOUSE_ALL;
                   1740:                        }
1.209     nicm     1741:                }
                   1742:                if (~mode & MODE_MOUSE_ALL)
                   1743:                        mode |= MODE_MOUSE_BUTTON;
                   1744:        }
1.215     nicm     1745:
                   1746:        /* Clear bracketed paste mode if at the prompt. */
1.309     nicm     1747:        if (c->overlay_draw == NULL && c->prompt_string != NULL)
1.215     nicm     1748:                mode &= ~MODE_BRACKETPASTE;
1.48      nicm     1749:
                   1750:        /* Set the terminal mode and reset attributes. */
1.332     nicm     1751:        tty_update_mode(tty, mode, s);
                   1752:        tty_reset(tty);
1.330     nicm     1753:
1.332     nicm     1754:        /* All writing must be done, send a sync end (if it was started). */
                   1755:        tty_sync_end(tty);
                   1756:        tty->flags |= flags;
1.17      nicm     1757: }
                   1758:
                   1759: /* Repeat time callback. */
1.190     nicm     1760: static void
1.170     nicm     1761: server_client_repeat_timer(__unused int fd, __unused short events, void *data)
1.17      nicm     1762: {
                   1763:        struct client   *c = data;
                   1764:
1.85      nicm     1765:        if (c->flags & CLIENT_REPEAT) {
1.178     nicm     1766:                server_client_set_key_table(c, NULL);
1.132     nicm     1767:                c->flags &= ~CLIENT_REPEAT;
                   1768:                server_status_client(c);
1.85      nicm     1769:        }
1.192     nicm     1770: }
                   1771:
                   1772: /* Double-click callback. */
                   1773: static void
                   1774: server_client_click_timer(__unused int fd, __unused short events, void *data)
                   1775: {
1.306     nicm     1776:        struct client           *c = data;
                   1777:        struct key_event        *event;
                   1778:
                   1779:        log_debug("click timer expired");
1.192     nicm     1780:
1.306     nicm     1781:        if (c->flags & CLIENT_TRIPLECLICK) {
                   1782:                /*
                   1783:                 * Waiting for a third click that hasn't happened, so this must
                   1784:                 * have been a double click.
                   1785:                 */
                   1786:                event = xmalloc(sizeof *event);
                   1787:                event->key = KEYC_DOUBLECLICK;
                   1788:                memcpy(&event->m, &c->click_event, sizeof event->m);
                   1789:                if (!server_client_handle_key(c, event))
                   1790:                        free(event);
                   1791:        }
1.192     nicm     1792:        c->flags &= ~(CLIENT_DOUBLECLICK|CLIENT_TRIPLECLICK);
1.1       nicm     1793: }
                   1794:
1.36      nicm     1795: /* Check if client should be exited. */
1.190     nicm     1796: static void
1.36      nicm     1797: server_client_check_exit(struct client *c)
                   1798: {
1.300     nicm     1799:        struct client_file      *cf;
1.352     nicm     1800:        const char              *name = c->exit_session;
1.357     nicm     1801:        char                    *data;
                   1802:        size_t                   size, msize;
1.300     nicm     1803:
1.354     nicm     1804:        if (c->flags & (CLIENT_DEAD|CLIENT_EXITED))
                   1805:                return;
                   1806:        if (~c->flags & CLIENT_EXIT)
1.36      nicm     1807:                return;
                   1808:
1.352     nicm     1809:        if (c->flags & CLIENT_CONTROL) {
1.355     nicm     1810:                control_discard(c);
1.352     nicm     1811:                if (!control_all_done(c))
                   1812:                        return;
                   1813:        }
1.300     nicm     1814:        RB_FOREACH(cf, client_files, &c->files) {
                   1815:                if (EVBUFFER_LENGTH(cf->buffer) != 0)
                   1816:                        return;
                   1817:        }
1.286     nicm     1818:        c->flags |= CLIENT_EXITED;
1.352     nicm     1819:
                   1820:        switch (c->exit_type) {
                   1821:        case CLIENT_EXIT_RETURN:
1.367     nicm     1822:                if (c->exit_message != NULL)
1.357     nicm     1823:                        msize = strlen(c->exit_message) + 1;
1.367     nicm     1824:                else
                   1825:                        msize = 0;
                   1826:                size = (sizeof c->retval) + msize;
1.357     nicm     1827:                data = xmalloc(size);
                   1828:                memcpy(data, &c->retval, sizeof c->retval);
                   1829:                if (c->exit_message != NULL)
                   1830:                        memcpy(data + sizeof c->retval, c->exit_message, msize);
                   1831:                proc_send(c->peer, MSG_EXIT, -1, data, size);
                   1832:                free(data);
1.352     nicm     1833:                break;
                   1834:        case CLIENT_EXIT_SHUTDOWN:
                   1835:                proc_send(c->peer, MSG_SHUTDOWN, -1, NULL, 0);
                   1836:                break;
                   1837:        case CLIENT_EXIT_DETACH:
                   1838:                proc_send(c->peer, c->exit_msgtype, -1, name, strlen(name) + 1);
                   1839:                break;
                   1840:        }
                   1841:        free(c->exit_session);
1.357     nicm     1842:        free(c->exit_message);
1.38      nicm     1843: }
                   1844:
1.218     nicm     1845: /* Redraw timer callback. */
                   1846: static void
                   1847: server_client_redraw_timer(__unused int fd, __unused short events,
1.299     nicm     1848:     __unused void *data)
1.218     nicm     1849: {
                   1850:        log_debug("redraw timer fired");
1.366     nicm     1851: }
                   1852:
                   1853: /*
                   1854:  * Check if modes need to be updated. Only modes in the current window are
                   1855:  * updated and it is done when the status line is redrawn.
                   1856:  */
                   1857: static void
                   1858: server_client_check_modes(struct client *c)
                   1859: {
                   1860:        struct window                   *w = c->session->curw->window;
                   1861:        struct window_pane              *wp;
                   1862:        struct window_mode_entry        *wme;
                   1863:
                   1864:        if (c->flags & (CLIENT_CONTROL|CLIENT_SUSPENDED))
                   1865:                return;
                   1866:        if (~c->flags & CLIENT_REDRAWSTATUS)
                   1867:                return;
                   1868:        TAILQ_FOREACH(wp, &w->panes, entry) {
                   1869:                wme = TAILQ_FIRST(&wp->modes);
                   1870:                if (wme != NULL && wme->mode->update != NULL)
                   1871:                        wme->mode->update(wme);
                   1872:        }
1.218     nicm     1873: }
                   1874:
1.1       nicm     1875: /* Check for client redraws. */
1.190     nicm     1876: static void
1.1       nicm     1877: server_client_check_redraw(struct client *c)
                   1878: {
                   1879:        struct session          *s = c->session;
1.137     nicm     1880:        struct tty              *tty = &c->tty;
1.326     nicm     1881:        struct window           *w = c->session->curw->window;
1.1       nicm     1882:        struct window_pane      *wp;
1.325     nicm     1883:        int                      needed, flags, mode = tty->mode, new_flags = 0;
1.326     nicm     1884:        int                      redraw;
                   1885:        u_int                    bit = 0;
1.218     nicm     1886:        struct timeval           tv = { .tv_usec = 1000 };
                   1887:        static struct event      ev;
                   1888:        size_t                   left;
1.1       nicm     1889:
1.86      nicm     1890:        if (c->flags & (CLIENT_CONTROL|CLIENT_SUSPENDED))
1.79      nicm     1891:                return;
1.257     nicm     1892:        if (c->flags & CLIENT_ALLREDRAWFLAGS) {
1.325     nicm     1893:                log_debug("%s: redraw%s%s%s%s%s", c->name,
1.257     nicm     1894:                    (c->flags & CLIENT_REDRAWWINDOW) ? " window" : "",
                   1895:                    (c->flags & CLIENT_REDRAWSTATUS) ? " status" : "",
1.282     nicm     1896:                    (c->flags & CLIENT_REDRAWBORDERS) ? " borders" : "",
1.325     nicm     1897:                    (c->flags & CLIENT_REDRAWOVERLAY) ? " overlay" : "",
                   1898:                    (c->flags & CLIENT_REDRAWPANES) ? " panes" : "");
1.257     nicm     1899:        }
1.218     nicm     1900:
                   1901:        /*
                   1902:         * If there is outstanding data, defer the redraw until it has been
                   1903:         * consumed. We can just add a timer to get out of the event loop and
                   1904:         * end up back here.
                   1905:         */
                   1906:        needed = 0;
1.256     nicm     1907:        if (c->flags & CLIENT_ALLREDRAWFLAGS)
1.218     nicm     1908:                needed = 1;
                   1909:        else {
1.326     nicm     1910:                TAILQ_FOREACH(wp, &w->panes, entry) {
1.218     nicm     1911:                        if (wp->flags & PANE_REDRAW) {
                   1912:                                needed = 1;
                   1913:                                break;
                   1914:                        }
                   1915:                }
1.325     nicm     1916:                if (needed)
                   1917:                        new_flags |= CLIENT_REDRAWPANES;
1.218     nicm     1918:        }
1.241     nicm     1919:        if (needed && (left = EVBUFFER_LENGTH(tty->out)) != 0) {
                   1920:                log_debug("%s: redraw deferred (%zu left)", c->name, left);
                   1921:                if (!evtimer_initialized(&ev))
                   1922:                        evtimer_set(&ev, server_client_redraw_timer, NULL);
                   1923:                if (!evtimer_pending(&ev, NULL)) {
1.218     nicm     1924:                        log_debug("redraw timer started");
                   1925:                        evtimer_add(&ev, &tv);
1.241     nicm     1926:                }
1.327     nicm     1927:
                   1928:                if (~c->flags & CLIENT_REDRAWWINDOW) {
1.326     nicm     1929:                        TAILQ_FOREACH(wp, &w->panes, entry) {
1.327     nicm     1930:                                if (wp->flags & PANE_REDRAW) {
                   1931:                                        log_debug("%s: pane %%%u needs redraw",
                   1932:                                            c->name, wp->id);
1.326     nicm     1933:                                        c->redraw_panes |= (1 << bit);
1.327     nicm     1934:                                }
1.326     nicm     1935:                                if (++bit == 64) {
                   1936:                                        /*
                   1937:                                         * If more that 64 panes, give up and
                   1938:                                         * just redraw the window.
                   1939:                                         */
                   1940:                                        new_flags &= CLIENT_REDRAWPANES;
                   1941:                                        new_flags |= CLIENT_REDRAWWINDOW;
                   1942:                                        break;
                   1943:                                }
                   1944:                        }
1.327     nicm     1945:                        if (c->redraw_panes != 0)
                   1946:                                c->flags |= CLIENT_REDRAWPANES;
1.326     nicm     1947:                }
1.325     nicm     1948:                c->flags |= new_flags;
1.241     nicm     1949:                return;
                   1950:        } else if (needed)
1.218     nicm     1951:                log_debug("%s: redraw needed", c->name);
1.79      nicm     1952:
1.219     nicm     1953:        flags = tty->flags & (TTY_BLOCK|TTY_FREEZE|TTY_NOCURSOR);
1.326     nicm     1954:        tty->flags = (tty->flags & ~(TTY_BLOCK|TTY_FREEZE))|TTY_NOCURSOR;
1.137     nicm     1955:
1.256     nicm     1956:        if (~c->flags & CLIENT_REDRAWWINDOW) {
                   1957:                /*
                   1958:                 * If not redrawing the entire window, check whether each pane
                   1959:                 * needs to be redrawn.
                   1960:                 */
1.326     nicm     1961:                TAILQ_FOREACH(wp, &w->panes, entry) {
                   1962:                        redraw = 0;
                   1963:                        if (wp->flags & PANE_REDRAW)
                   1964:                                redraw = 1;
                   1965:                        else if (c->flags & CLIENT_REDRAWPANES)
                   1966:                                redraw = !!(c->redraw_panes & (1 << bit));
1.328     nicm     1967:                        bit++;
1.326     nicm     1968:                        if (!redraw)
                   1969:                                continue;
                   1970:                        log_debug("%s: redrawing pane %%%u", __func__, wp->id);
                   1971:                        screen_redraw_pane(c, wp);
1.1       nicm     1972:                }
1.331     nicm     1973:                c->redraw_panes = 0;
1.325     nicm     1974:                c->flags &= ~CLIENT_REDRAWPANES;
1.1       nicm     1975:        }
                   1976:
1.256     nicm     1977:        if (c->flags & CLIENT_ALLREDRAWFLAGS) {
                   1978:                if (options_get_number(s->options, "set-titles"))
                   1979:                        server_client_set_title(c);
                   1980:                screen_redraw_screen(c);
                   1981:        }
1.1       nicm     1982:
1.326     nicm     1983:        tty->flags = (tty->flags & ~TTY_NOCURSOR)|(flags & TTY_NOCURSOR);
1.320     nicm     1984:        tty_update_mode(tty, mode, NULL);
1.326     nicm     1985:        tty->flags = (tty->flags & ~(TTY_BLOCK|TTY_FREEZE|TTY_NOCURSOR))|flags;
1.1       nicm     1986:
1.256     nicm     1987:        c->flags &= ~(CLIENT_ALLREDRAWFLAGS|CLIENT_STATUSFORCE);
1.230     nicm     1988:
                   1989:        if (needed) {
                   1990:                /*
                   1991:                 * We would have deferred the redraw unless the output buffer
                   1992:                 * was empty, so we can record how many bytes the redraw
                   1993:                 * generated.
                   1994:                 */
                   1995:                c->redraw = EVBUFFER_LENGTH(tty->out);
                   1996:                log_debug("%s: redraw added %zu bytes", c->name, c->redraw);
                   1997:        }
1.1       nicm     1998: }
                   1999:
                   2000: /* Set client title. */
1.190     nicm     2001: static void
1.1       nicm     2002: server_client_set_title(struct client *c)
                   2003: {
1.128     nicm     2004:        struct session          *s = c->session;
                   2005:        const char              *template;
                   2006:        char                    *title;
                   2007:        struct format_tree      *ft;
1.1       nicm     2008:
1.163     nicm     2009:        template = options_get_string(s->options, "set-titles-string");
1.25      nicm     2010:
1.228     nicm     2011:        ft = format_create(c, NULL, FORMAT_NONE, 0);
1.128     nicm     2012:        format_defaults(ft, c, NULL, NULL, NULL);
                   2013:
1.269     nicm     2014:        title = format_expand_time(ft, template);
1.1       nicm     2015:        if (c->title == NULL || strcmp(title, c->title) != 0) {
1.77      nicm     2016:                free(c->title);
1.1       nicm     2017:                c->title = xstrdup(title);
                   2018:                tty_set_title(&c->tty, c->title);
                   2019:        }
1.77      nicm     2020:        free(title);
1.128     nicm     2021:
                   2022:        format_free(ft);
1.1       nicm     2023: }
                   2024:
                   2025: /* Dispatch message from client. */
1.190     nicm     2026: static void
1.162     nicm     2027: server_client_dispatch(struct imsg *imsg, void *arg)
1.1       nicm     2028: {
1.300     nicm     2029:        struct client   *c = arg;
                   2030:        ssize_t          datalen;
                   2031:        struct session  *s;
1.1       nicm     2032:
1.162     nicm     2033:        if (c->flags & CLIENT_DEAD)
                   2034:                return;
                   2035:
                   2036:        if (imsg == NULL) {
                   2037:                server_client_lost(c);
                   2038:                return;
                   2039:        }
1.1       nicm     2040:
1.162     nicm     2041:        datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
1.1       nicm     2042:
1.162     nicm     2043:        switch (imsg->hdr.type) {
1.370     nicm     2044:        case MSG_IDENTIFY_CLIENTPID:
                   2045:        case MSG_IDENTIFY_CWD:
                   2046:        case MSG_IDENTIFY_ENVIRON:
1.329     nicm     2047:        case MSG_IDENTIFY_FEATURES:
1.162     nicm     2048:        case MSG_IDENTIFY_FLAGS:
1.361     nicm     2049:        case MSG_IDENTIFY_LONGFLAGS:
1.370     nicm     2050:        case MSG_IDENTIFY_STDIN:
                   2051:        case MSG_IDENTIFY_STDOUT:
1.162     nicm     2052:        case MSG_IDENTIFY_TERM:
1.370     nicm     2053:        case MSG_IDENTIFY_TERMINFO:
1.162     nicm     2054:        case MSG_IDENTIFY_TTYNAME:
                   2055:        case MSG_IDENTIFY_DONE:
                   2056:                server_client_dispatch_identify(c, imsg);
                   2057:                break;
                   2058:        case MSG_COMMAND:
                   2059:                server_client_dispatch_command(c, imsg);
                   2060:                break;
                   2061:        case MSG_RESIZE:
                   2062:                if (datalen != 0)
                   2063:                        fatalx("bad MSG_RESIZE size");
1.1       nicm     2064:
1.162     nicm     2065:                if (c->flags & CLIENT_CONTROL)
1.1       nicm     2066:                        break;
1.295     nicm     2067:                server_client_update_latest(c);
1.236     nicm     2068:                tty_resize(&c->tty);
                   2069:                recalculate_sizes();
1.376     nicm     2070:                if (c->overlay_resize == NULL)
                   2071:                        server_client_clear_overlay(c);
                   2072:                else
                   2073:                        c->overlay_resize(c);
1.236     nicm     2074:                server_redraw_client(c);
1.174     nicm     2075:                if (c->session != NULL)
1.196     nicm     2076:                        notify_client("client-resized", c);
1.162     nicm     2077:                break;
                   2078:        case MSG_EXITING:
                   2079:                if (datalen != 0)
                   2080:                        fatalx("bad MSG_EXITING size");
                   2081:                c->session = NULL;
                   2082:                tty_close(&c->tty);
                   2083:                proc_send(c->peer, MSG_EXITED, -1, NULL, 0);
                   2084:                break;
                   2085:        case MSG_WAKEUP:
                   2086:        case MSG_UNLOCK:
                   2087:                if (datalen != 0)
                   2088:                        fatalx("bad MSG_WAKEUP size");
1.121     nicm     2089:
1.162     nicm     2090:                if (!(c->flags & CLIENT_SUSPENDED))
                   2091:                        break;
                   2092:                c->flags &= ~CLIENT_SUSPENDED;
1.10      nicm     2093:
1.365     nicm     2094:                if (c->fd == -1 || c->session == NULL) /* exited already */
1.1       nicm     2095:                        break;
1.162     nicm     2096:                s = c->session;
1.1       nicm     2097:
1.162     nicm     2098:                if (gettimeofday(&c->activity_time, NULL) != 0)
                   2099:                        fatal("gettimeofday failed");
                   2100:
                   2101:                tty_start_tty(&c->tty);
                   2102:                server_redraw_client(c);
                   2103:                recalculate_sizes();
1.184     nicm     2104:
                   2105:                if (s != NULL)
                   2106:                        session_update_activity(s, &c->activity_time);
1.162     nicm     2107:                break;
                   2108:        case MSG_SHELL:
                   2109:                if (datalen != 0)
                   2110:                        fatalx("bad MSG_SHELL size");
1.1       nicm     2111:
1.162     nicm     2112:                server_client_dispatch_shell(c);
                   2113:                break;
1.300     nicm     2114:        case MSG_WRITE_READY:
1.369     nicm     2115:                file_write_ready(&c->files, imsg);
1.300     nicm     2116:                break;
                   2117:        case MSG_READ:
1.369     nicm     2118:                file_read_data(&c->files, imsg);
1.300     nicm     2119:                break;
                   2120:        case MSG_READ_DONE:
1.369     nicm     2121:                file_read_done(&c->files, imsg);
1.300     nicm     2122:                break;
1.1       nicm     2123:        }
                   2124: }
                   2125:
1.194     nicm     2126: /* Callback when command is done. */
                   2127: static enum cmd_retval
1.195     nicm     2128: server_client_command_done(struct cmdq_item *item, __unused void *data)
1.194     nicm     2129: {
1.316     nicm     2130:        struct client   *c = cmdq_get_client(item);
1.194     nicm     2131:
                   2132:        if (~c->flags & CLIENT_ATTACHED)
                   2133:                c->flags |= CLIENT_EXIT;
1.352     nicm     2134:        else if (~c->flags & CLIENT_EXIT)
1.314     nicm     2135:                tty_send_requests(&c->tty);
1.194     nicm     2136:        return (CMD_RETURN_NORMAL);
                   2137: }
                   2138:
1.1       nicm     2139: /* Handle command message. */
1.190     nicm     2140: static void
1.162     nicm     2141: server_client_dispatch_command(struct client *c, struct imsg *imsg)
1.1       nicm     2142: {
1.300     nicm     2143:        struct msg_command        data;
1.108     nicm     2144:        char                     *buf;
                   2145:        size_t                    len;
                   2146:        int                       argc;
                   2147:        char                    **argv, *cause;
1.285     nicm     2148:        struct cmd_parse_result  *pr;
1.246     nicm     2149:
                   2150:        if (c->flags & CLIENT_EXIT)
                   2151:                return;
1.108     nicm     2152:
                   2153:        if (imsg->hdr.len - IMSG_HEADER_SIZE < sizeof data)
                   2154:                fatalx("bad MSG_COMMAND size");
                   2155:        memcpy(&data, imsg->data, sizeof data);
                   2156:
1.124     nicm     2157:        buf = (char *)imsg->data + sizeof data;
1.108     nicm     2158:        len = imsg->hdr.len  - IMSG_HEADER_SIZE - sizeof data;
                   2159:        if (len > 0 && buf[len - 1] != '\0')
                   2160:                fatalx("bad MSG_COMMAND string");
                   2161:
                   2162:        argc = data.argc;
                   2163:        if (cmd_unpack_argv(buf, len, argc, &argv) != 0) {
1.194     nicm     2164:                cause = xstrdup("command too long");
1.1       nicm     2165:                goto error;
                   2166:        }
                   2167:
                   2168:        if (argc == 0) {
                   2169:                argc = 1;
                   2170:                argv = xcalloc(1, sizeof *argv);
                   2171:                *argv = xstrdup("new-session");
                   2172:        }
                   2173:
1.285     nicm     2174:        pr = cmd_parse_from_arguments(argc, argv, NULL);
                   2175:        switch (pr->status) {
                   2176:        case CMD_PARSE_EMPTY:
                   2177:                cause = xstrdup("empty command");
1.1       nicm     2178:                goto error;
1.285     nicm     2179:        case CMD_PARSE_ERROR:
                   2180:                cause = pr->error;
                   2181:                goto error;
                   2182:        case CMD_PARSE_SUCCESS:
                   2183:                break;
1.1       nicm     2184:        }
                   2185:        cmd_free_argv(argc, argv);
                   2186:
1.318     nicm     2187:        cmdq_append(c, cmdq_get_command(pr->cmdlist, NULL));
1.194     nicm     2188:        cmdq_append(c, cmdq_get_callback(server_client_command_done, NULL));
1.285     nicm     2189:
                   2190:        cmd_list_free(pr->cmdlist);
1.1       nicm     2191:        return;
                   2192:
                   2193: error:
1.285     nicm     2194:        cmd_free_argv(argc, argv);
                   2195:
1.284     nicm     2196:        cmdq_append(c, cmdq_get_error(cause));
                   2197:        free(cause);
1.88      nicm     2198:
1.36      nicm     2199:        c->flags |= CLIENT_EXIT;
1.1       nicm     2200: }
                   2201:
                   2202: /* Handle identify message. */
1.190     nicm     2203: static void
1.162     nicm     2204: server_client_dispatch_identify(struct client *c, struct imsg *imsg)
1.1       nicm     2205: {
1.165     nicm     2206:        const char      *data, *home;
1.232     nicm     2207:        size_t           datalen;
1.329     nicm     2208:        int              flags, feat;
1.361     nicm     2209:        uint64_t         longflags;
1.216     nicm     2210:        char            *name;
1.109     nicm     2211:
                   2212:        if (c->flags & CLIENT_IDENTIFIED)
                   2213:                fatalx("out-of-order identify message");
                   2214:
                   2215:        data = imsg->data;
                   2216:        datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
                   2217:
                   2218:        switch (imsg->hdr.type) {
1.329     nicm     2219:        case MSG_IDENTIFY_FEATURES:
                   2220:                if (datalen != sizeof feat)
                   2221:                        fatalx("bad MSG_IDENTIFY_FEATURES size");
                   2222:                memcpy(&feat, data, sizeof feat);
                   2223:                c->term_features |= feat;
                   2224:                log_debug("client %p IDENTIFY_FEATURES %s", c,
                   2225:                    tty_get_features(feat));
                   2226:                break;
1.109     nicm     2227:        case MSG_IDENTIFY_FLAGS:
                   2228:                if (datalen != sizeof flags)
                   2229:                        fatalx("bad MSG_IDENTIFY_FLAGS size");
                   2230:                memcpy(&flags, data, sizeof flags);
                   2231:                c->flags |= flags;
1.158     nicm     2232:                log_debug("client %p IDENTIFY_FLAGS %#x", c, flags);
1.361     nicm     2233:                break;
                   2234:        case MSG_IDENTIFY_LONGFLAGS:
                   2235:                if (datalen != sizeof longflags)
                   2236:                        fatalx("bad MSG_IDENTIFY_LONGFLAGS size");
                   2237:                memcpy(&longflags, data, sizeof longflags);
                   2238:                c->flags |= longflags;
                   2239:                log_debug("client %p IDENTIFY_LONGFLAGS %#llx", c,
                   2240:                    (unsigned long long)longflags);
1.109     nicm     2241:                break;
                   2242:        case MSG_IDENTIFY_TERM:
1.110     nicm     2243:                if (datalen == 0 || data[datalen - 1] != '\0')
1.109     nicm     2244:                        fatalx("bad MSG_IDENTIFY_TERM string");
1.329     nicm     2245:                if (*data == '\0')
                   2246:                        c->term_name = xstrdup("unknown");
                   2247:                else
                   2248:                        c->term_name = xstrdup(data);
1.158     nicm     2249:                log_debug("client %p IDENTIFY_TERM %s", c, data);
1.370     nicm     2250:                break;
                   2251:        case MSG_IDENTIFY_TERMINFO:
                   2252:                if (datalen == 0 || data[datalen - 1] != '\0')
                   2253:                        fatalx("bad MSG_IDENTIFY_TERMINFO string");
                   2254:                c->term_caps = xreallocarray(c->term_caps, c->term_ncaps + 1,
                   2255:                    sizeof *c->term_caps);
                   2256:                c->term_caps[c->term_ncaps++] = xstrdup(data);
                   2257:                log_debug("client %p IDENTIFY_TERMINFO %s", c, data);
1.109     nicm     2258:                break;
                   2259:        case MSG_IDENTIFY_TTYNAME:
1.110     nicm     2260:                if (datalen == 0 || data[datalen - 1] != '\0')
1.109     nicm     2261:                        fatalx("bad MSG_IDENTIFY_TTYNAME string");
                   2262:                c->ttyname = xstrdup(data);
1.158     nicm     2263:                log_debug("client %p IDENTIFY_TTYNAME %s", c, data);
1.109     nicm     2264:                break;
                   2265:        case MSG_IDENTIFY_CWD:
1.155     nicm     2266:                if (datalen == 0 || data[datalen - 1] != '\0')
                   2267:                        fatalx("bad MSG_IDENTIFY_CWD string");
1.165     nicm     2268:                if (access(data, X_OK) == 0)
                   2269:                        c->cwd = xstrdup(data);
                   2270:                else if ((home = find_home()) != NULL)
                   2271:                        c->cwd = xstrdup(home);
                   2272:                else
                   2273:                        c->cwd = xstrdup("/");
1.158     nicm     2274:                log_debug("client %p IDENTIFY_CWD %s", c, data);
1.109     nicm     2275:                break;
                   2276:        case MSG_IDENTIFY_STDIN:
                   2277:                if (datalen != 0)
                   2278:                        fatalx("bad MSG_IDENTIFY_STDIN size");
                   2279:                c->fd = imsg->fd;
1.158     nicm     2280:                log_debug("client %p IDENTIFY_STDIN %d", c, imsg->fd);
1.109     nicm     2281:                break;
1.351     nicm     2282:        case MSG_IDENTIFY_STDOUT:
                   2283:                if (datalen != 0)
                   2284:                        fatalx("bad MSG_IDENTIFY_STDOUT size");
                   2285:                c->out_fd = imsg->fd;
                   2286:                log_debug("client %p IDENTIFY_STDOUT %d", c, imsg->fd);
                   2287:                break;
1.109     nicm     2288:        case MSG_IDENTIFY_ENVIRON:
1.110     nicm     2289:                if (datalen == 0 || data[datalen - 1] != '\0')
1.109     nicm     2290:                        fatalx("bad MSG_IDENTIFY_ENVIRON string");
                   2291:                if (strchr(data, '=') != NULL)
1.312     nicm     2292:                        environ_put(c->environ, data, 0);
1.158     nicm     2293:                log_debug("client %p IDENTIFY_ENVIRON %s", c, data);
1.143     nicm     2294:                break;
                   2295:        case MSG_IDENTIFY_CLIENTPID:
                   2296:                if (datalen != sizeof c->pid)
                   2297:                        fatalx("bad MSG_IDENTIFY_CLIENTPID size");
                   2298:                memcpy(&c->pid, data, sizeof c->pid);
1.158     nicm     2299:                log_debug("client %p IDENTIFY_CLIENTPID %ld", c, (long)c->pid);
1.109     nicm     2300:                break;
                   2301:        default:
                   2302:                break;
                   2303:        }
                   2304:
                   2305:        if (imsg->hdr.type != MSG_IDENTIFY_DONE)
                   2306:                return;
                   2307:        c->flags |= CLIENT_IDENTIFIED;
1.75      nicm     2308:
1.216     nicm     2309:        if (*c->ttyname != '\0')
                   2310:                name = xstrdup(c->ttyname);
                   2311:        else
                   2312:                xasprintf(&name, "client-%ld", (long)c->pid);
                   2313:        c->name = name;
                   2314:        log_debug("client %p name is %s", c, c->name);
                   2315:
1.362     nicm     2316:        if (c->flags & CLIENT_CONTROL)
1.300     nicm     2317:                control_start(c);
1.351     nicm     2318:        else if (c->fd != -1) {
1.348     nicm     2319:                if (tty_init(&c->tty, c) != 0) {
1.288     nicm     2320:                        close(c->fd);
                   2321:                        c->fd = -1;
                   2322:                } else {
                   2323:                        tty_resize(&c->tty);
                   2324:                        c->flags |= CLIENT_TERMINAL;
                   2325:                }
1.351     nicm     2326:                close(c->out_fd);
                   2327:                c->out_fd = -1;
1.75      nicm     2328:        }
1.1       nicm     2329:
1.288     nicm     2330:        /*
1.362     nicm     2331:         * If this is the first client, load configuration files. Any later
                   2332:         * clients are allowed to continue with their command even if the
                   2333:         * config has not been loaded - they might have been run from inside it
1.288     nicm     2334:         */
                   2335:        if ((~c->flags & CLIENT_EXIT) &&
1.362     nicm     2336:             !cfg_finished &&
                   2337:             c == TAILQ_FIRST(&clients))
1.288     nicm     2338:                start_cfg();
1.1       nicm     2339: }
                   2340:
                   2341: /* Handle shell message. */
1.190     nicm     2342: static void
1.162     nicm     2343: server_client_dispatch_shell(struct client *c)
1.1       nicm     2344: {
1.107     nicm     2345:        const char      *shell;
1.25      nicm     2346:
1.163     nicm     2347:        shell = options_get_string(global_s_options, "default-shell");
1.308     nicm     2348:        if (!checkshell(shell))
1.1       nicm     2349:                shell = _PATH_BSHELL;
1.240     nicm     2350:        proc_send(c->peer, MSG_SHELL, -1, shell, strlen(shell) + 1);
1.25      nicm     2351:
1.162     nicm     2352:        proc_kill_peer(c->peer);
1.213     nicm     2353: }
                   2354:
                   2355: /* Get client working directory. */
                   2356: const char *
1.250     nicm     2357: server_client_get_cwd(struct client *c, struct session *s)
1.213     nicm     2358: {
1.250     nicm     2359:        const char      *home;
1.213     nicm     2360:
1.265     nicm     2361:        if (!cfg_finished && cfg_client != NULL)
                   2362:                return (cfg_client->cwd);
1.213     nicm     2363:        if (c != NULL && c->session == NULL && c->cwd != NULL)
                   2364:                return (c->cwd);
1.250     nicm     2365:        if (s != NULL && s->cwd != NULL)
                   2366:                return (s->cwd);
1.213     nicm     2367:        if (c != NULL && (s = c->session) != NULL && s->cwd != NULL)
                   2368:                return (s->cwd);
1.250     nicm     2369:        if ((home = find_home()) != NULL)
                   2370:                return (home);
                   2371:        return ("/");
1.337     nicm     2372: }
                   2373:
1.355     nicm     2374: /* Get control client flags. */
                   2375: static uint64_t
                   2376: server_client_control_flags(struct client *c, const char *next)
                   2377: {
                   2378:        if (strcmp(next, "pause-after") == 0) {
                   2379:                c->pause_age = 0;
                   2380:                return (CLIENT_CONTROL_PAUSEAFTER);
                   2381:        }
                   2382:        if (sscanf(next, "pause-after=%u", &c->pause_age) == 1) {
                   2383:                c->pause_age *= 1000;
                   2384:                return (CLIENT_CONTROL_PAUSEAFTER);
                   2385:        }
                   2386:        if (strcmp(next, "no-output") == 0)
                   2387:                return (CLIENT_CONTROL_NOOUTPUT);
1.358     nicm     2388:        if (strcmp(next, "wait-exit") == 0)
                   2389:                return (CLIENT_CONTROL_WAITEXIT);
1.355     nicm     2390:        return (0);
                   2391: }
                   2392:
1.337     nicm     2393: /* Set client flags. */
                   2394: void
                   2395: server_client_set_flags(struct client *c, const char *flags)
                   2396: {
                   2397:        char    *s, *copy, *next;
1.351     nicm     2398:        uint64_t flag;
                   2399:        int      not;
1.337     nicm     2400:
                   2401:        s = copy = xstrdup (flags);
                   2402:        while ((next = strsep(&s, ",")) != NULL) {
                   2403:                not = (*next == '!');
                   2404:                if (not)
                   2405:                        next++;
                   2406:
1.355     nicm     2407:                if (c->flags & CLIENT_CONTROL)
                   2408:                        flag = server_client_control_flags(c, next);
                   2409:                else
                   2410:                        flag = 0;
1.350     nicm     2411:                if (strcmp(next, "read-only") == 0)
1.337     nicm     2412:                        flag = CLIENT_READONLY;
                   2413:                else if (strcmp(next, "ignore-size") == 0)
                   2414:                        flag = CLIENT_IGNORESIZE;
1.341     nicm     2415:                else if (strcmp(next, "active-pane") == 0)
                   2416:                        flag = CLIENT_ACTIVEPANE;
1.350     nicm     2417:                if (flag == 0)
1.337     nicm     2418:                        continue;
                   2419:
                   2420:                log_debug("client %s set flag %s", c->name, next);
                   2421:                if (not)
                   2422:                        c->flags &= ~flag;
                   2423:                else
                   2424:                        c->flags |= flag;
1.346     nicm     2425:                if (flag == CLIENT_CONTROL_NOOUTPUT)
1.352     nicm     2426:                        control_reset_offsets(c);
1.337     nicm     2427:        }
                   2428:        free(copy);
1.358     nicm     2429:        proc_send(c->peer, MSG_FLAGS, -1, &c->flags, sizeof c->flags);
1.337     nicm     2430: }
                   2431:
1.340     nicm     2432: /* Get client flags. This is only flags useful to show to users. */
1.337     nicm     2433: const char *
                   2434: server_client_get_flags(struct client *c)
                   2435: {
1.355     nicm     2436:        static char     s[256];
                   2437:        char            tmp[32];
1.337     nicm     2438:
                   2439:        *s = '\0';
                   2440:        if (c->flags & CLIENT_ATTACHED)
                   2441:                strlcat(s, "attached,", sizeof s);
1.368     nicm     2442:        if (c->flags & CLIENT_FOCUSED)
                   2443:                strlcat(s, "focused,", sizeof s);
1.337     nicm     2444:        if (c->flags & CLIENT_CONTROL)
                   2445:                strlcat(s, "control-mode,", sizeof s);
                   2446:        if (c->flags & CLIENT_IGNORESIZE)
                   2447:                strlcat(s, "ignore-size,", sizeof s);
                   2448:        if (c->flags & CLIENT_CONTROL_NOOUTPUT)
                   2449:                strlcat(s, "no-output,", sizeof s);
1.358     nicm     2450:        if (c->flags & CLIENT_CONTROL_WAITEXIT)
                   2451:                strlcat(s, "wait-exit,", sizeof s);
1.355     nicm     2452:        if (c->flags & CLIENT_CONTROL_PAUSEAFTER) {
                   2453:                xsnprintf(tmp, sizeof tmp, "pause-after=%u,",
                   2454:                    c->pause_age / 1000);
                   2455:                strlcat(s, tmp, sizeof s);
                   2456:        }
1.337     nicm     2457:        if (c->flags & CLIENT_READONLY)
                   2458:                strlcat(s, "read-only,", sizeof s);
1.341     nicm     2459:        if (c->flags & CLIENT_ACTIVEPANE)
                   2460:                strlcat(s, "active-pane,", sizeof s);
1.337     nicm     2461:        if (c->flags & CLIENT_SUSPENDED)
                   2462:                strlcat(s, "suspended,", sizeof s);
                   2463:        if (c->flags & CLIENT_UTF8)
                   2464:                strlcat(s, "UTF-8,", sizeof s);
                   2465:        if (*s != '\0')
                   2466:                s[strlen(s) - 1] = '\0';
                   2467:        return (s);
1.341     nicm     2468: }
                   2469:
                   2470: /* Get client window. */
                   2471: static struct client_window *
                   2472: server_client_get_client_window(struct client *c, u_int id)
                   2473: {
                   2474:        struct client_window    cw = { .window = id };
                   2475:
                   2476:        return (RB_FIND(client_windows, &c->windows, &cw));
                   2477: }
                   2478:
                   2479: /* Get client active pane. */
                   2480: struct window_pane *
                   2481: server_client_get_pane(struct client *c)
                   2482: {
                   2483:        struct session          *s = c->session;
                   2484:        struct client_window    *cw;
                   2485:
                   2486:        if (s == NULL)
                   2487:                return (NULL);
                   2488:
                   2489:        if (~c->flags & CLIENT_ACTIVEPANE)
                   2490:                return (s->curw->window->active);
                   2491:        cw = server_client_get_client_window(c, s->curw->window->id);
                   2492:        if (cw == NULL)
                   2493:                return (s->curw->window->active);
                   2494:        return (cw->pane);
                   2495: }
                   2496:
                   2497: /* Set client active pane. */
                   2498: void
                   2499: server_client_set_pane(struct client *c, struct window_pane *wp)
                   2500: {
                   2501:        struct session          *s = c->session;
                   2502:        struct client_window    *cw;
                   2503:
                   2504:        if (s == NULL)
                   2505:                return;
                   2506:
                   2507:        cw = server_client_get_client_window(c, s->curw->window->id);
                   2508:        if (cw == NULL) {
                   2509:                cw = xcalloc(1, sizeof *cw);
                   2510:                cw->window = s->curw->window->id;
                   2511:                RB_INSERT(client_windows, &c->windows, cw);
                   2512:        }
                   2513:        cw->pane = wp;
                   2514:        log_debug("%s pane now %%%u", c->name, wp->id);
                   2515: }
                   2516:
                   2517: /* Remove pane from client lists. */
                   2518: void
                   2519: server_client_remove_pane(struct window_pane *wp)
                   2520: {
                   2521:        struct client           *c;
                   2522:        struct window           *w = wp->window;
                   2523:        struct client_window    *cw;
                   2524:
                   2525:        TAILQ_FOREACH(c, &clients, entry) {
                   2526:                cw = server_client_get_client_window(c, w->id);
                   2527:                if (cw != NULL && cw->pane == wp) {
                   2528:                        RB_REMOVE(client_windows, &c->windows, cw);
                   2529:                        free(cw);
                   2530:                }
                   2531:        }
1.1       nicm     2532: }