[BACK]Return to server-client.c CVS log [TXT][DIR] Up to [local] / src / usr.bin / tmux

Annotation of src/usr.bin/tmux/server-client.c, Revision 1.342

1.342   ! nicm        1: /* $OpenBSD: server-client.c,v 1.341 2020/05/16 16:20:59 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 *);
                     36: static void    server_client_check_focus(struct window_pane *);
                     37: static void    server_client_check_resize(struct window_pane *);
1.276     nicm       38: static key_code        server_client_check_mouse(struct client *, struct key_event *);
1.190     nicm       39: static void    server_client_repeat_timer(int, short, void *);
1.192     nicm       40: static void    server_client_click_timer(int, short, void *);
1.190     nicm       41: static void    server_client_check_exit(struct client *);
                     42: static void    server_client_check_redraw(struct client *);
                     43: static void    server_client_set_title(struct client *);
                     44: static void    server_client_reset_state(struct client *);
                     45: static int     server_client_assume_paste(struct session *);
1.294     nicm       46: static void    server_client_resize_event(int, short, void *);
1.190     nicm       47:
                     48: static void    server_client_dispatch(struct imsg *, void *);
                     49: static void    server_client_dispatch_command(struct client *, struct imsg *);
                     50: static void    server_client_dispatch_identify(struct client *, struct imsg *);
                     51: static void    server_client_dispatch_shell(struct client *);
1.300     nicm       52: static void    server_client_dispatch_write_ready(struct client *,
                     53:                    struct imsg *);
                     54: static void    server_client_dispatch_read_data(struct client *,
                     55:                    struct imsg *);
                     56: static void    server_client_dispatch_read_done(struct client *,
                     57:                    struct imsg *);
1.233     nicm       58:
1.341     nicm       59: /* Compare client windows. */
                     60: static int
                     61: server_client_window_cmp(struct client_window *cw1,
                     62:     struct client_window *cw2)
                     63: {
                     64:        if (cw1->window < cw2->window)
                     65:                return (-1);
                     66:        if (cw1->window > cw2->window)
                     67:                return (1);
                     68:        return (0);
                     69: }
                     70: RB_GENERATE(client_windows, client_window, entry, server_client_window_cmp);
                     71:
1.233     nicm       72: /* Number of attached clients. */
                     73: u_int
                     74: server_client_how_many(void)
                     75: {
                     76:        struct client   *c;
                     77:        u_int            n;
                     78:
                     79:        n = 0;
                     80:        TAILQ_FOREACH(c, &clients, entry) {
                     81:                if (c->session != NULL && (~c->flags & CLIENT_DETACHING))
                     82:                        n++;
                     83:        }
                     84:        return (n);
                     85: }
1.140     nicm       86:
1.281     nicm       87: /* Overlay timer callback. */
1.214     nicm       88: static void
1.281     nicm       89: server_client_overlay_timer(__unused int fd, __unused short events, void *data)
1.214     nicm       90: {
1.281     nicm       91:        server_client_clear_overlay(data);
1.214     nicm       92: }
                     93:
1.281     nicm       94: /* Set an overlay on client. */
1.214     nicm       95: void
1.309     nicm       96: server_client_set_overlay(struct client *c, u_int delay,
                     97:     overlay_check_cb checkcb, overlay_mode_cb modecb,
                     98:     overlay_draw_cb drawcb, overlay_key_cb keycb, overlay_free_cb freecb,
                     99:     void *data)
1.214     nicm      100: {
                    101:        struct timeval  tv;
                    102:
1.282     nicm      103:        if (c->overlay_draw != NULL)
                    104:                server_client_clear_overlay(c);
                    105:
1.214     nicm      106:        tv.tv_sec = delay / 1000;
                    107:        tv.tv_usec = (delay % 1000) * 1000L;
                    108:
1.281     nicm      109:        if (event_initialized(&c->overlay_timer))
                    110:                evtimer_del(&c->overlay_timer);
                    111:        evtimer_set(&c->overlay_timer, server_client_overlay_timer, c);
1.242     nicm      112:        if (delay != 0)
1.281     nicm      113:                evtimer_add(&c->overlay_timer, &tv);
                    114:
1.309     nicm      115:        c->overlay_check = checkcb;
                    116:        c->overlay_mode = modecb;
1.281     nicm      117:        c->overlay_draw = drawcb;
                    118:        c->overlay_key = keycb;
                    119:        c->overlay_free = freecb;
                    120:        c->overlay_data = data;
1.214     nicm      121:
1.309     nicm      122:        c->tty.flags |= TTY_FREEZE;
                    123:        if (c->overlay_mode == NULL)
                    124:                c->tty.flags |= TTY_NOCURSOR;
1.214     nicm      125:        server_redraw_client(c);
                    126: }
                    127:
1.281     nicm      128: /* Clear overlay mode on client. */
1.309     nicm      129: void
1.281     nicm      130: server_client_clear_overlay(struct client *c)
1.214     nicm      131: {
1.281     nicm      132:        if (c->overlay_draw == NULL)
1.214     nicm      133:                return;
                    134:
1.281     nicm      135:        if (event_initialized(&c->overlay_timer))
                    136:                evtimer_del(&c->overlay_timer);
                    137:
                    138:        if (c->overlay_free != NULL)
                    139:                c->overlay_free(c);
                    140:
1.309     nicm      141:        c->overlay_check = NULL;
                    142:        c->overlay_mode = NULL;
1.281     nicm      143:        c->overlay_draw = NULL;
                    144:        c->overlay_key = NULL;
1.309     nicm      145:        c->overlay_free = NULL;
                    146:        c->overlay_data = NULL;
1.214     nicm      147:
                    148:        c->tty.flags &= ~(TTY_FREEZE|TTY_NOCURSOR);
                    149:        server_redraw_client(c);
                    150: }
                    151:
1.140     nicm      152: /* Check if this client is inside this server. */
                    153: int
                    154: server_client_check_nested(struct client *c)
                    155: {
                    156:        struct environ_entry    *envent;
                    157:        struct window_pane      *wp;
                    158:
1.164     nicm      159:        envent = environ_find(c->environ, "TMUX");
1.140     nicm      160:        if (envent == NULL || *envent->value == '\0')
                    161:                return (0);
                    162:
                    163:        RB_FOREACH(wp, window_pane_tree, &all_window_panes) {
1.216     nicm      164:                if (strcmp(wp->tty, c->ttyname) == 0)
1.140     nicm      165:                        return (1);
                    166:        }
                    167:        return (0);
                    168: }
1.1       nicm      169:
1.132     nicm      170: /* Set client key table. */
                    171: void
1.178     nicm      172: server_client_set_key_table(struct client *c, const char *name)
1.132     nicm      173: {
1.178     nicm      174:        if (name == NULL)
                    175:                name = server_client_get_key_table(c);
                    176:
1.132     nicm      177:        key_bindings_unref_table(c->keytable);
                    178:        c->keytable = key_bindings_get_table(name, 1);
                    179:        c->keytable->references++;
                    180: }
                    181:
1.178     nicm      182: /* Get default key table. */
                    183: const char *
                    184: server_client_get_key_table(struct client *c)
                    185: {
                    186:        struct session  *s = c->session;
                    187:        const char      *name;
                    188:
                    189:        if (s == NULL)
                    190:                return ("root");
                    191:
                    192:        name = options_get_string(s->options, "key-table");
                    193:        if (*name == '\0')
                    194:                return ("root");
                    195:        return (name);
                    196: }
                    197:
1.223     nicm      198: /* Is this table the default key table? */
                    199: static int
                    200: server_client_is_default_key_table(struct client *c, struct key_table *table)
1.191     nicm      201: {
1.223     nicm      202:        return (strcmp(table->name, server_client_get_key_table(c)) == 0);
1.191     nicm      203: }
                    204:
1.1       nicm      205: /* Create a new client. */
1.246     nicm      206: struct client *
1.1       nicm      207: server_client_create(int fd)
                    208: {
                    209:        struct client   *c;
                    210:
1.49      nicm      211:        setblocking(fd, 0);
1.1       nicm      212:
                    213:        c = xcalloc(1, sizeof *c);
1.141     nicm      214:        c->references = 1;
1.162     nicm      215:        c->peer = proc_add_peer(server_proc, fd, server_client_dispatch, c);
1.25      nicm      216:
1.10      nicm      217:        if (gettimeofday(&c->creation_time, NULL) != 0)
1.1       nicm      218:                fatal("gettimeofday failed");
1.11      nicm      219:        memcpy(&c->activity_time, &c->creation_time, sizeof c->activity_time);
1.111     nicm      220:
1.164     nicm      221:        c->environ = environ_create();
1.1       nicm      222:
1.146     nicm      223:        c->fd = -1;
1.165     nicm      224:        c->cwd = NULL;
1.145     nicm      225:
1.316     nicm      226:        c->queue = cmdq_new();
1.341     nicm      227:        RB_INIT(&c->windows);
1.94      nicm      228:
1.1       nicm      229:        c->tty.fd = -1;
                    230:        c->tty.sx = 80;
                    231:        c->tty.sy = 24;
                    232:
1.271     nicm      233:        status_init(c);
1.1       nicm      234:
1.300     nicm      235:        RB_INIT(&c->files);
                    236:
1.93      nicm      237:        c->flags |= CLIENT_FOCUSED;
                    238:
1.132     nicm      239:        c->keytable = key_bindings_get_table("root", 1);
                    240:        c->keytable->references++;
                    241:
1.17      nicm      242:        evtimer_set(&c->repeat_timer, server_client_repeat_timer, c);
1.192     nicm      243:        evtimer_set(&c->click_timer, server_client_click_timer, c);
1.17      nicm      244:
1.135     nicm      245:        TAILQ_INSERT_TAIL(&clients, c, entry);
1.157     nicm      246:        log_debug("new client %p", c);
1.246     nicm      247:        return (c);
1.72      nicm      248: }
                    249:
                    250: /* Open client terminal if needed. */
                    251: int
1.119     nicm      252: server_client_open(struct client *c, char **cause)
1.72      nicm      253: {
1.339     nicm      254:        const char      *ttynam = _PATH_TTY;
                    255:
1.75      nicm      256:        if (c->flags & CLIENT_CONTROL)
                    257:                return (0);
1.120     nicm      258:
1.339     nicm      259:        if (strcmp(c->ttyname, ttynam) == 0||
                    260:            ((isatty(STDIN_FILENO) &&
                    261:            (ttynam = ttyname(STDIN_FILENO)) != NULL &&
                    262:            strcmp(c->ttyname, ttynam) == 0) ||
                    263:            (isatty(STDOUT_FILENO) &&
                    264:            (ttynam = ttyname(STDOUT_FILENO)) != NULL &&
                    265:            strcmp(c->ttyname, ttynam) == 0) ||
                    266:            (isatty(STDERR_FILENO) &&
                    267:            (ttynam = ttyname(STDERR_FILENO)) != NULL &&
                    268:            strcmp(c->ttyname, ttynam) == 0))) {
                    269:                xasprintf(cause, "can't use %s", c->ttyname);
1.120     nicm      270:                return (-1);
                    271:        }
1.75      nicm      272:
1.72      nicm      273:        if (!(c->flags & CLIENT_TERMINAL)) {
1.116     nicm      274:                *cause = xstrdup("not a terminal");
1.72      nicm      275:                return (-1);
                    276:        }
                    277:
1.119     nicm      278:        if (tty_open(&c->tty, cause) != 0)
1.72      nicm      279:                return (-1);
                    280:
                    281:        return (0);
1.1       nicm      282: }
                    283:
                    284: /* Lost a client. */
                    285: void
                    286: server_client_lost(struct client *c)
                    287: {
1.340     nicm      288:        struct client_file      *cf, *cf1;
1.341     nicm      289:        struct client_window    *cw, *cw1;
1.1       nicm      290:
1.141     nicm      291:        c->flags |= CLIENT_DEAD;
                    292:
1.281     nicm      293:        server_client_clear_overlay(c);
1.141     nicm      294:        status_prompt_clear(c);
                    295:        status_message_clear(c);
                    296:
1.340     nicm      297:        RB_FOREACH_SAFE(cf, client_files, &c->files, cf1) {
1.300     nicm      298:                cf->error = EINTR;
                    299:                file_fire_done(cf);
                    300:        }
1.341     nicm      301:        RB_FOREACH_SAFE(cw, client_windows, &c->windows, cw1) {
                    302:                RB_REMOVE(client_windows, &c->windows, cw);
                    303:                free(cw);
                    304:        }
1.141     nicm      305:
1.135     nicm      306:        TAILQ_REMOVE(&clients, c, entry);
1.157     nicm      307:        log_debug("lost client %p", c);
1.1       nicm      308:
                    309:        /*
                    310:         * If CLIENT_TERMINAL hasn't been set, then tty_init hasn't been called
                    311:         * and tty_free might close an unrelated fd.
                    312:         */
                    313:        if (c->flags & CLIENT_TERMINAL)
                    314:                tty_free(&c->tty);
1.109     nicm      315:        free(c->ttyname);
1.333     nicm      316:
1.329     nicm      317:        free(c->term_name);
1.333     nicm      318:        free(c->term_type);
1.1       nicm      319:
1.270     nicm      320:        status_free(c);
1.1       nicm      321:
1.77      nicm      322:        free(c->title);
1.165     nicm      323:        free((void *)c->cwd);
1.1       nicm      324:
1.17      nicm      325:        evtimer_del(&c->repeat_timer);
1.192     nicm      326:        evtimer_del(&c->click_timer);
1.17      nicm      327:
1.132     nicm      328:        key_bindings_unref_table(c->keytable);
                    329:
1.77      nicm      330:        free(c->message_string);
1.116     nicm      331:        if (event_initialized(&c->message_timer))
1.69      nicm      332:                evtimer_del(&c->message_timer);
1.1       nicm      333:
1.259     nicm      334:        free(c->prompt_saved);
1.77      nicm      335:        free(c->prompt_string);
                    336:        free(c->prompt_buffer);
1.61      nicm      337:
1.228     nicm      338:        format_lost_client(c);
1.164     nicm      339:        environ_free(c->environ);
1.1       nicm      340:
1.162     nicm      341:        proc_remove_peer(c->peer);
                    342:        c->peer = NULL;
1.13      nicm      343:
1.142     nicm      344:        server_client_unref(c);
1.71      nicm      345:
                    346:        server_add_accept(0); /* may be more file descriptors now */
1.1       nicm      347:
                    348:        recalculate_sizes();
1.41      nicm      349:        server_check_unattached();
1.19      nicm      350:        server_update_socket();
1.141     nicm      351: }
                    352:
                    353: /* Remove reference from a client. */
                    354: void
1.142     nicm      355: server_client_unref(struct client *c)
1.141     nicm      356: {
1.157     nicm      357:        log_debug("unref client %p (%d references)", c, c->references);
1.141     nicm      358:
                    359:        c->references--;
                    360:        if (c->references == 0)
                    361:                event_once(-1, EV_TIMEOUT, server_client_free, c, NULL);
                    362: }
                    363:
                    364: /* Free dead client. */
1.190     nicm      365: static void
1.170     nicm      366: server_client_free(__unused int fd, __unused short events, void *arg)
1.141     nicm      367: {
                    368:        struct client   *c = arg;
                    369:
1.157     nicm      370:        log_debug("free client %p (%d references)", c, c->references);
1.141     nicm      371:
1.316     nicm      372:        cmdq_free(c->queue);
1.194     nicm      373:
1.216     nicm      374:        if (c->references == 0) {
                    375:                free((void *)c->name);
1.141     nicm      376:                free(c);
1.216     nicm      377:        }
1.9       nicm      378: }
                    379:
1.220     nicm      380: /* Suspend a client. */
                    381: void
                    382: server_client_suspend(struct client *c)
                    383: {
1.232     nicm      384:        struct session  *s = c->session;
1.220     nicm      385:
                    386:        if (s == NULL || (c->flags & CLIENT_DETACHING))
                    387:                return;
                    388:
                    389:        tty_stop_tty(&c->tty);
                    390:        c->flags |= CLIENT_SUSPENDED;
                    391:        proc_send(c->peer, MSG_SUSPEND, -1, NULL, 0);
                    392: }
                    393:
1.174     nicm      394: /* Detach a client. */
                    395: void
                    396: server_client_detach(struct client *c, enum msgtype msgtype)
                    397: {
1.232     nicm      398:        struct session  *s = c->session;
1.174     nicm      399:
1.220     nicm      400:        if (s == NULL || (c->flags & CLIENT_DETACHING))
1.174     nicm      401:                return;
                    402:
1.220     nicm      403:        c->flags |= CLIENT_DETACHING;
1.196     nicm      404:        notify_client("client-detached", c);
1.240     nicm      405:        proc_send(c->peer, msgtype, -1, s->name, strlen(s->name) + 1);
1.207     nicm      406: }
                    407:
1.208     nicm      408: /* Execute command to replace a client. */
1.207     nicm      409: void
                    410: server_client_exec(struct client *c, const char *cmd)
                    411: {
                    412:        struct session  *s = c->session;
1.208     nicm      413:        char            *msg;
                    414:        const char      *shell;
1.207     nicm      415:        size_t           cmdsize, shellsize;
                    416:
                    417:        if (*cmd == '\0')
                    418:                return;
                    419:        cmdsize = strlen(cmd) + 1;
                    420:
                    421:        if (s != NULL)
                    422:                shell = options_get_string(s->options, "default-shell");
                    423:        else
                    424:                shell = options_get_string(global_s_options, "default-shell");
1.308     nicm      425:        if (!checkshell(shell))
                    426:                shell = _PATH_BSHELL;
1.207     nicm      427:        shellsize = strlen(shell) + 1;
                    428:
                    429:        msg = xmalloc(cmdsize + shellsize);
                    430:        memcpy(msg, cmd, cmdsize);
                    431:        memcpy(msg + cmdsize, shell, shellsize);
                    432:
                    433:        proc_send(c->peer, MSG_EXEC, -1, msg, cmdsize + shellsize);
                    434:        free(msg);
1.174     nicm      435: }
                    436:
1.66      nicm      437: /* Check for mouse keys. */
1.190     nicm      438: static key_code
1.276     nicm      439: server_client_check_mouse(struct client *c, struct key_event *event)
1.66      nicm      440: {
1.276     nicm      441:        struct mouse_event      *m = &event->m;
1.192     nicm      442:        struct session          *s = c->session;
1.272     nicm      443:        struct winlink          *wl;
1.192     nicm      444:        struct window_pane      *wp;
1.261     nicm      445:        u_int                    x, y, b, sx, sy, px, py;
1.307     nicm      446:        int                      ignore = 0;
1.192     nicm      447:        key_code                 key;
                    448:        struct timeval           tv;
1.272     nicm      449:        struct style_range      *sr;
1.283     nicm      450:        enum { NOTYPE,
                    451:               MOVE,
                    452:               DOWN,
                    453:               UP,
                    454:               DRAG,
                    455:               WHEEL,
1.311     nicm      456:               SECOND,
1.283     nicm      457:               DOUBLE,
                    458:               TRIPLE } type = NOTYPE;
1.276     nicm      459:        enum { NOWHERE,
                    460:               PANE,
                    461:               STATUS,
                    462:               STATUS_LEFT,
                    463:               STATUS_RIGHT,
                    464:               STATUS_DEFAULT,
1.283     nicm      465:               BORDER } where = NOWHERE;
1.131     nicm      466:
1.261     nicm      467:        log_debug("%s mouse %02x at %u,%u (last %u,%u) (%d)", c->name, m->b,
                    468:            m->x, m->y, m->lx, m->ly, c->tty.mouse_drag_flag);
1.131     nicm      469:
                    470:        /* What type of event is this? */
1.306     nicm      471:        if (event->key == KEYC_DOUBLECLICK) {
                    472:                type = DOUBLE;
                    473:                x = m->x, y = m->y, b = m->b;
1.307     nicm      474:                ignore = 1;
1.306     nicm      475:                log_debug("double-click at %u,%u", x, y);
                    476:        } else if ((m->sgr_type != ' ' &&
1.209     nicm      477:            MOUSE_DRAG(m->sgr_b) &&
                    478:            MOUSE_BUTTONS(m->sgr_b) == 3) ||
                    479:            (m->sgr_type == ' ' &&
                    480:            MOUSE_DRAG(m->b) &&
                    481:            MOUSE_BUTTONS(m->b) == 3 &&
                    482:            MOUSE_BUTTONS(m->lb) == 3)) {
                    483:                type = MOVE;
                    484:                x = m->x, y = m->y, b = 0;
                    485:                log_debug("move at %u,%u", x, y);
                    486:        } else if (MOUSE_DRAG(m->b)) {
1.131     nicm      487:                type = DRAG;
                    488:                if (c->tty.mouse_drag_flag) {
                    489:                        x = m->x, y = m->y, b = m->b;
1.278     nicm      490:                        if (x == m->lx && y == m->ly)
                    491:                                return (KEYC_UNKNOWN);
1.131     nicm      492:                        log_debug("drag update at %u,%u", x, y);
                    493:                } else {
1.277     nicm      494:                        x = m->lx, y = m->ly, b = m->lb;
1.131     nicm      495:                        log_debug("drag start at %u,%u", x, y);
                    496:                }
                    497:        } else if (MOUSE_WHEEL(m->b)) {
                    498:                type = WHEEL;
                    499:                x = m->x, y = m->y, b = m->b;
                    500:                log_debug("wheel at %u,%u", x, y);
1.200     nicm      501:        } else if (MOUSE_RELEASE(m->b)) {
1.131     nicm      502:                type = UP;
                    503:                x = m->x, y = m->y, b = m->lb;
                    504:                log_debug("up at %u,%u", x, y);
                    505:        } else {
1.192     nicm      506:                if (c->flags & CLIENT_DOUBLECLICK) {
                    507:                        evtimer_del(&c->click_timer);
                    508:                        c->flags &= ~CLIENT_DOUBLECLICK;
                    509:                        if (m->b == c->click_button) {
1.311     nicm      510:                                type = SECOND;
                    511:                                x = m->x, y = m->y, b = m->b;
                    512:                                log_debug("second-click at %u,%u", x, y);
1.306     nicm      513:                                c->flags |= CLIENT_TRIPLECLICK;
1.192     nicm      514:                        }
                    515:                } else if (c->flags & CLIENT_TRIPLECLICK) {
                    516:                        evtimer_del(&c->click_timer);
                    517:                        c->flags &= ~CLIENT_TRIPLECLICK;
                    518:                        if (m->b == c->click_button) {
                    519:                                type = TRIPLE;
                    520:                                x = m->x, y = m->y, b = m->b;
                    521:                                log_debug("triple-click at %u,%u", x, y);
                    522:                                goto have_event;
                    523:                        }
1.311     nicm      524:                } else {
                    525:                        type = DOWN;
                    526:                        x = m->x, y = m->y, b = m->b;
                    527:                        log_debug("down at %u,%u", x, y);
1.307     nicm      528:                        c->flags |= CLIENT_DOUBLECLICK;
1.311     nicm      529:                }
1.192     nicm      530:
                    531:                if (KEYC_CLICK_TIMEOUT != 0) {
1.306     nicm      532:                        memcpy(&c->click_event, m, sizeof c->click_event);
1.192     nicm      533:                        c->click_button = m->b;
                    534:
1.312     nicm      535:                        log_debug("click timer started");
1.192     nicm      536:                        tv.tv_sec = KEYC_CLICK_TIMEOUT / 1000;
                    537:                        tv.tv_usec = (KEYC_CLICK_TIMEOUT % 1000) * 1000L;
                    538:                        evtimer_del(&c->click_timer);
                    539:                        evtimer_add(&c->click_timer, &tv);
                    540:                }
1.131     nicm      541:        }
1.192     nicm      542:
                    543: have_event:
1.131     nicm      544:        if (type == NOTYPE)
1.177     nicm      545:                return (KEYC_UNKNOWN);
1.131     nicm      546:
1.258     nicm      547:        /* Save the session. */
1.131     nicm      548:        m->s = s->id;
1.258     nicm      549:        m->w = -1;
1.307     nicm      550:        m->ignore = ignore;
1.131     nicm      551:
                    552:        /* Is this on the status line? */
                    553:        m->statusat = status_at_line(c);
1.292     nicm      554:        m->statuslines = status_line_size(c);
1.272     nicm      555:        if (m->statusat != -1 &&
                    556:            y >= (u_int)m->statusat &&
1.292     nicm      557:            y < m->statusat + m->statuslines) {
1.272     nicm      558:                sr = status_get_range(c, x, y - m->statusat);
1.274     nicm      559:                if (sr == NULL) {
                    560:                        where = STATUS_DEFAULT;
                    561:                } else {
                    562:                        switch (sr->type) {
                    563:                        case STYLE_RANGE_NONE:
1.273     nicm      564:                                return (KEYC_UNKNOWN);
1.274     nicm      565:                        case STYLE_RANGE_LEFT:
                    566:                                where = STATUS_LEFT;
                    567:                                break;
                    568:                        case STYLE_RANGE_RIGHT:
                    569:                                where = STATUS_RIGHT;
                    570:                                break;
                    571:                        case STYLE_RANGE_WINDOW:
1.298     nicm      572:                                wl = winlink_find_by_index(&s->windows,
                    573:                                    sr->argument);
1.274     nicm      574:                                if (wl == NULL)
                    575:                                        return (KEYC_UNKNOWN);
                    576:                                m->w = wl->window->id;
1.273     nicm      577:
1.274     nicm      578:                                where = STATUS;
                    579:                                break;
                    580:                        }
1.258     nicm      581:                }
                    582:        }
1.131     nicm      583:
                    584:        /* Not on status line. Adjust position and check for border or pane. */
                    585:        if (where == NOWHERE) {
1.261     nicm      586:                px = x;
1.292     nicm      587:                if (m->statusat == 0 && y >= m->statuslines)
                    588:                        py = y - m->statuslines;
1.131     nicm      589:                else if (m->statusat > 0 && y >= (u_int)m->statusat)
1.261     nicm      590:                        py = m->statusat - 1;
                    591:                else
                    592:                        py = y;
                    593:
                    594:                tty_window_offset(&c->tty, &m->ox, &m->oy, &sx, &sy);
                    595:                log_debug("mouse window @%u at %u,%u (%ux%u)",
                    596:                    s->curw->window->id, m->ox, m->oy, sx, sy);
                    597:                if (px > sx || py > sy)
                    598:                        return (KEYC_UNKNOWN);
                    599:                px = px + m->ox;
                    600:                py = py + m->oy;
1.131     nicm      601:
1.260     nicm      602:                /* Try the pane borders if not zoomed. */
                    603:                if (~s->curw->window->flags & WINDOW_ZOOMED) {
                    604:                        TAILQ_FOREACH(wp, &s->curw->window->panes, entry) {
1.261     nicm      605:                                if ((wp->xoff + wp->sx == px &&
                    606:                                    wp->yoff <= 1 + py &&
                    607:                                    wp->yoff + wp->sy >= py) ||
                    608:                                    (wp->yoff + wp->sy == py &&
                    609:                                    wp->xoff <= 1 + px &&
                    610:                                    wp->xoff + wp->sx >= px))
1.260     nicm      611:                                        break;
                    612:                        }
                    613:                        if (wp != NULL)
                    614:                                where = BORDER;
1.131     nicm      615:                }
1.260     nicm      616:
                    617:                /* Otherwise try inside the pane. */
                    618:                if (where == NOWHERE) {
1.261     nicm      619:                        wp = window_get_active_at(s->curw->window, px, py);
1.260     nicm      620:                        if (wp != NULL)
1.131     nicm      621:                                where = PANE;
1.315     nicm      622:                        else
                    623:                                return (KEYC_UNKNOWN);
1.131     nicm      624:                }
1.260     nicm      625:                if (where == PANE)
                    626:                        log_debug("mouse %u,%u on pane %%%u", x, y, wp->id);
                    627:                else if (where == BORDER)
                    628:                        log_debug("mouse on pane %%%u border", wp->id);
1.131     nicm      629:                m->wp = wp->id;
                    630:                m->w = wp->window->id;
                    631:        } else
                    632:                m->wp = -1;
                    633:
                    634:        /* Stop dragging if needed. */
1.200     nicm      635:        if (type != DRAG && type != WHEEL && c->tty.mouse_drag_flag) {
1.131     nicm      636:                if (c->tty.mouse_drag_release != NULL)
                    637:                        c->tty.mouse_drag_release(c, m);
                    638:
                    639:                c->tty.mouse_drag_update = NULL;
                    640:                c->tty.mouse_drag_release = NULL;
                    641:
1.182     nicm      642:                /*
1.183     nicm      643:                 * End a mouse drag by passing a MouseDragEnd key corresponding
                    644:                 * to the button that started the drag.
1.182     nicm      645:                 */
                    646:                switch (c->tty.mouse_drag_flag) {
                    647:                case 1:
                    648:                        if (where == PANE)
1.183     nicm      649:                                key = KEYC_MOUSEDRAGEND1_PANE;
1.182     nicm      650:                        if (where == STATUS)
1.183     nicm      651:                                key = KEYC_MOUSEDRAGEND1_STATUS;
1.258     nicm      652:                        if (where == STATUS_LEFT)
                    653:                                key = KEYC_MOUSEDRAGEND1_STATUS_LEFT;
                    654:                        if (where == STATUS_RIGHT)
                    655:                                key = KEYC_MOUSEDRAGEND1_STATUS_RIGHT;
1.274     nicm      656:                        if (where == STATUS_DEFAULT)
                    657:                                key = KEYC_MOUSEDRAGEND1_STATUS_DEFAULT;
1.182     nicm      658:                        if (where == BORDER)
1.183     nicm      659:                                key = KEYC_MOUSEDRAGEND1_BORDER;
1.182     nicm      660:                        break;
                    661:                case 2:
                    662:                        if (where == PANE)
1.183     nicm      663:                                key = KEYC_MOUSEDRAGEND2_PANE;
1.182     nicm      664:                        if (where == STATUS)
1.183     nicm      665:                                key = KEYC_MOUSEDRAGEND2_STATUS;
1.258     nicm      666:                        if (where == STATUS_LEFT)
                    667:                                key = KEYC_MOUSEDRAGEND2_STATUS_LEFT;
                    668:                        if (where == STATUS_RIGHT)
                    669:                                key = KEYC_MOUSEDRAGEND2_STATUS_RIGHT;
1.274     nicm      670:                        if (where == STATUS_DEFAULT)
                    671:                                key = KEYC_MOUSEDRAGEND2_STATUS_DEFAULT;
1.182     nicm      672:                        if (where == BORDER)
1.183     nicm      673:                                key = KEYC_MOUSEDRAGEND2_BORDER;
1.182     nicm      674:                        break;
                    675:                case 3:
                    676:                        if (where == PANE)
1.183     nicm      677:                                key = KEYC_MOUSEDRAGEND3_PANE;
1.182     nicm      678:                        if (where == STATUS)
1.183     nicm      679:                                key = KEYC_MOUSEDRAGEND3_STATUS;
1.258     nicm      680:                        if (where == STATUS_LEFT)
                    681:                                key = KEYC_MOUSEDRAGEND3_STATUS_LEFT;
                    682:                        if (where == STATUS_RIGHT)
                    683:                                key = KEYC_MOUSEDRAGEND3_STATUS_RIGHT;
1.274     nicm      684:                        if (where == STATUS_DEFAULT)
                    685:                                key = KEYC_MOUSEDRAGEND3_STATUS_DEFAULT;
1.182     nicm      686:                        if (where == BORDER)
1.183     nicm      687:                                key = KEYC_MOUSEDRAGEND3_BORDER;
1.182     nicm      688:                        break;
                    689:                default:
                    690:                        key = KEYC_MOUSE;
                    691:                        break;
                    692:                }
1.131     nicm      693:                c->tty.mouse_drag_flag = 0;
1.305     nicm      694:                goto out;
1.131     nicm      695:        }
                    696:
                    697:        /* Convert to a key binding. */
1.177     nicm      698:        key = KEYC_UNKNOWN;
1.131     nicm      699:        switch (type) {
                    700:        case NOTYPE:
                    701:                break;
1.209     nicm      702:        case MOVE:
                    703:                if (where == PANE)
                    704:                        key = KEYC_MOUSEMOVE_PANE;
                    705:                if (where == STATUS)
                    706:                        key = KEYC_MOUSEMOVE_STATUS;
1.274     nicm      707:                if (where == STATUS_LEFT)
                    708:                        key = KEYC_MOUSEMOVE_STATUS_LEFT;
                    709:                if (where == STATUS_RIGHT)
                    710:                        key = KEYC_MOUSEMOVE_STATUS_RIGHT;
                    711:                if (where == STATUS_DEFAULT)
                    712:                        key = KEYC_MOUSEMOVE_STATUS_DEFAULT;
1.209     nicm      713:                if (where == BORDER)
                    714:                        key = KEYC_MOUSEMOVE_BORDER;
                    715:                break;
1.131     nicm      716:        case DRAG:
1.204     nicm      717:                if (c->tty.mouse_drag_update != NULL)
                    718:                        key = KEYC_DRAGGING;
                    719:                else {
1.131     nicm      720:                        switch (MOUSE_BUTTONS(b)) {
                    721:                        case 0:
                    722:                                if (where == PANE)
                    723:                                        key = KEYC_MOUSEDRAG1_PANE;
                    724:                                if (where == STATUS)
                    725:                                        key = KEYC_MOUSEDRAG1_STATUS;
1.258     nicm      726:                                if (where == STATUS_LEFT)
                    727:                                        key = KEYC_MOUSEDRAG1_STATUS_LEFT;
                    728:                                if (where == STATUS_RIGHT)
                    729:                                        key = KEYC_MOUSEDRAG1_STATUS_RIGHT;
1.274     nicm      730:                                if (where == STATUS_DEFAULT)
                    731:                                        key = KEYC_MOUSEDRAG1_STATUS_DEFAULT;
1.131     nicm      732:                                if (where == BORDER)
                    733:                                        key = KEYC_MOUSEDRAG1_BORDER;
                    734:                                break;
                    735:                        case 1:
                    736:                                if (where == PANE)
                    737:                                        key = KEYC_MOUSEDRAG2_PANE;
                    738:                                if (where == STATUS)
                    739:                                        key = KEYC_MOUSEDRAG2_STATUS;
1.258     nicm      740:                                if (where == STATUS_LEFT)
                    741:                                        key = KEYC_MOUSEDRAG2_STATUS_LEFT;
                    742:                                if (where == STATUS_RIGHT)
                    743:                                        key = KEYC_MOUSEDRAG2_STATUS_RIGHT;
1.274     nicm      744:                                if (where == STATUS_DEFAULT)
                    745:                                        key = KEYC_MOUSEDRAG2_STATUS_DEFAULT;
1.131     nicm      746:                                if (where == BORDER)
                    747:                                        key = KEYC_MOUSEDRAG2_BORDER;
                    748:                                break;
                    749:                        case 2:
                    750:                                if (where == PANE)
                    751:                                        key = KEYC_MOUSEDRAG3_PANE;
                    752:                                if (where == STATUS)
                    753:                                        key = KEYC_MOUSEDRAG3_STATUS;
1.258     nicm      754:                                if (where == STATUS_LEFT)
                    755:                                        key = KEYC_MOUSEDRAG3_STATUS_LEFT;
                    756:                                if (where == STATUS_RIGHT)
                    757:                                        key = KEYC_MOUSEDRAG3_STATUS_RIGHT;
1.274     nicm      758:                                if (where == STATUS_DEFAULT)
                    759:                                        key = KEYC_MOUSEDRAG3_STATUS_DEFAULT;
1.131     nicm      760:                                if (where == BORDER)
                    761:                                        key = KEYC_MOUSEDRAG3_BORDER;
                    762:                                break;
                    763:                        }
                    764:                }
1.66      nicm      765:
1.182     nicm      766:                /*
                    767:                 * Begin a drag by setting the flag to a non-zero value that
                    768:                 * corresponds to the mouse button in use.
                    769:                 */
                    770:                c->tty.mouse_drag_flag = MOUSE_BUTTONS(b) + 1;
1.131     nicm      771:                break;
                    772:        case WHEEL:
                    773:                if (MOUSE_BUTTONS(b) == MOUSE_WHEEL_UP) {
                    774:                        if (where == PANE)
                    775:                                key = KEYC_WHEELUP_PANE;
                    776:                        if (where == STATUS)
                    777:                                key = KEYC_WHEELUP_STATUS;
1.258     nicm      778:                        if (where == STATUS_LEFT)
                    779:                                key = KEYC_WHEELUP_STATUS_LEFT;
                    780:                        if (where == STATUS_RIGHT)
                    781:                                key = KEYC_WHEELUP_STATUS_RIGHT;
1.274     nicm      782:                        if (where == STATUS_DEFAULT)
                    783:                                key = KEYC_WHEELUP_STATUS_DEFAULT;
1.131     nicm      784:                        if (where == BORDER)
                    785:                                key = KEYC_WHEELUP_BORDER;
                    786:                } else {
                    787:                        if (where == PANE)
                    788:                                key = KEYC_WHEELDOWN_PANE;
                    789:                        if (where == STATUS)
                    790:                                key = KEYC_WHEELDOWN_STATUS;
1.274     nicm      791:                        if (where == STATUS_LEFT)
                    792:                                key = KEYC_WHEELDOWN_STATUS_LEFT;
                    793:                        if (where == STATUS_RIGHT)
                    794:                                key = KEYC_WHEELDOWN_STATUS_RIGHT;
                    795:                        if (where == STATUS_DEFAULT)
                    796:                                key = KEYC_WHEELDOWN_STATUS_DEFAULT;
1.131     nicm      797:                        if (where == BORDER)
                    798:                                key = KEYC_WHEELDOWN_BORDER;
                    799:                }
                    800:                break;
                    801:        case UP:
                    802:                switch (MOUSE_BUTTONS(b)) {
                    803:                case 0:
                    804:                        if (where == PANE)
                    805:                                key = KEYC_MOUSEUP1_PANE;
                    806:                        if (where == STATUS)
                    807:                                key = KEYC_MOUSEUP1_STATUS;
1.258     nicm      808:                        if (where == STATUS_LEFT)
                    809:                                key = KEYC_MOUSEUP1_STATUS_LEFT;
                    810:                        if (where == STATUS_RIGHT)
                    811:                                key = KEYC_MOUSEUP1_STATUS_RIGHT;
1.274     nicm      812:                        if (where == STATUS_DEFAULT)
                    813:                                key = KEYC_MOUSEUP1_STATUS_DEFAULT;
1.131     nicm      814:                        if (where == BORDER)
                    815:                                key = KEYC_MOUSEUP1_BORDER;
                    816:                        break;
                    817:                case 1:
                    818:                        if (where == PANE)
                    819:                                key = KEYC_MOUSEUP2_PANE;
                    820:                        if (where == STATUS)
                    821:                                key = KEYC_MOUSEUP2_STATUS;
1.258     nicm      822:                        if (where == STATUS_LEFT)
                    823:                                key = KEYC_MOUSEUP2_STATUS_LEFT;
                    824:                        if (where == STATUS_RIGHT)
                    825:                                key = KEYC_MOUSEUP2_STATUS_RIGHT;
1.274     nicm      826:                        if (where == STATUS_DEFAULT)
                    827:                                key = KEYC_MOUSEUP2_STATUS_DEFAULT;
1.131     nicm      828:                        if (where == BORDER)
                    829:                                key = KEYC_MOUSEUP2_BORDER;
                    830:                        break;
                    831:                case 2:
                    832:                        if (where == PANE)
                    833:                                key = KEYC_MOUSEUP3_PANE;
                    834:                        if (where == STATUS)
                    835:                                key = KEYC_MOUSEUP3_STATUS;
1.258     nicm      836:                        if (where == STATUS_LEFT)
                    837:                                key = KEYC_MOUSEUP3_STATUS_LEFT;
                    838:                        if (where == STATUS_RIGHT)
                    839:                                key = KEYC_MOUSEUP3_STATUS_RIGHT;
1.274     nicm      840:                        if (where == STATUS_DEFAULT)
                    841:                                key = KEYC_MOUSEUP3_STATUS_DEFAULT;
1.131     nicm      842:                        if (where == BORDER)
                    843:                                key = KEYC_MOUSEUP3_BORDER;
                    844:                        break;
                    845:                }
                    846:                break;
                    847:        case DOWN:
                    848:                switch (MOUSE_BUTTONS(b)) {
                    849:                case 0:
                    850:                        if (where == PANE)
                    851:                                key = KEYC_MOUSEDOWN1_PANE;
                    852:                        if (where == STATUS)
                    853:                                key = KEYC_MOUSEDOWN1_STATUS;
1.258     nicm      854:                        if (where == STATUS_LEFT)
                    855:                                key = KEYC_MOUSEDOWN1_STATUS_LEFT;
                    856:                        if (where == STATUS_RIGHT)
                    857:                                key = KEYC_MOUSEDOWN1_STATUS_RIGHT;
1.274     nicm      858:                        if (where == STATUS_DEFAULT)
                    859:                                key = KEYC_MOUSEDOWN1_STATUS_DEFAULT;
1.131     nicm      860:                        if (where == BORDER)
                    861:                                key = KEYC_MOUSEDOWN1_BORDER;
                    862:                        break;
                    863:                case 1:
                    864:                        if (where == PANE)
                    865:                                key = KEYC_MOUSEDOWN2_PANE;
                    866:                        if (where == STATUS)
                    867:                                key = KEYC_MOUSEDOWN2_STATUS;
1.258     nicm      868:                        if (where == STATUS_LEFT)
                    869:                                key = KEYC_MOUSEDOWN2_STATUS_LEFT;
                    870:                        if (where == STATUS_RIGHT)
                    871:                                key = KEYC_MOUSEDOWN2_STATUS_RIGHT;
1.274     nicm      872:                        if (where == STATUS_DEFAULT)
                    873:                                key = KEYC_MOUSEDOWN2_STATUS_DEFAULT;
1.131     nicm      874:                        if (where == BORDER)
                    875:                                key = KEYC_MOUSEDOWN2_BORDER;
                    876:                        break;
                    877:                case 2:
                    878:                        if (where == PANE)
                    879:                                key = KEYC_MOUSEDOWN3_PANE;
                    880:                        if (where == STATUS)
                    881:                                key = KEYC_MOUSEDOWN3_STATUS;
1.258     nicm      882:                        if (where == STATUS_LEFT)
                    883:                                key = KEYC_MOUSEDOWN3_STATUS_LEFT;
                    884:                        if (where == STATUS_RIGHT)
                    885:                                key = KEYC_MOUSEDOWN3_STATUS_RIGHT;
1.274     nicm      886:                        if (where == STATUS_DEFAULT)
                    887:                                key = KEYC_MOUSEDOWN3_STATUS_DEFAULT;
1.131     nicm      888:                        if (where == BORDER)
                    889:                                key = KEYC_MOUSEDOWN3_BORDER;
1.311     nicm      890:                        break;
                    891:                }
                    892:                break;
                    893:        case SECOND:
                    894:                switch (MOUSE_BUTTONS(b)) {
                    895:                case 0:
                    896:                        if (where == PANE)
                    897:                                key = KEYC_SECONDCLICK1_PANE;
                    898:                        if (where == STATUS)
                    899:                                key = KEYC_SECONDCLICK1_STATUS;
                    900:                        if (where == STATUS_LEFT)
                    901:                                key = KEYC_SECONDCLICK1_STATUS_LEFT;
                    902:                        if (where == STATUS_RIGHT)
                    903:                                key = KEYC_SECONDCLICK1_STATUS_RIGHT;
                    904:                        if (where == STATUS_DEFAULT)
                    905:                                key = KEYC_SECONDCLICK1_STATUS_DEFAULT;
                    906:                        if (where == BORDER)
                    907:                                key = KEYC_SECONDCLICK1_BORDER;
                    908:                        break;
                    909:                case 1:
                    910:                        if (where == PANE)
                    911:                                key = KEYC_SECONDCLICK2_PANE;
                    912:                        if (where == STATUS)
                    913:                                key = KEYC_SECONDCLICK2_STATUS;
                    914:                        if (where == STATUS_LEFT)
                    915:                                key = KEYC_SECONDCLICK2_STATUS_LEFT;
                    916:                        if (where == STATUS_RIGHT)
                    917:                                key = KEYC_SECONDCLICK2_STATUS_RIGHT;
                    918:                        if (where == STATUS_DEFAULT)
                    919:                                key = KEYC_SECONDCLICK2_STATUS_DEFAULT;
                    920:                        if (where == BORDER)
                    921:                                key = KEYC_SECONDCLICK2_BORDER;
                    922:                        break;
                    923:                case 2:
                    924:                        if (where == PANE)
                    925:                                key = KEYC_SECONDCLICK3_PANE;
                    926:                        if (where == STATUS)
                    927:                                key = KEYC_SECONDCLICK3_STATUS;
                    928:                        if (where == STATUS_LEFT)
                    929:                                key = KEYC_SECONDCLICK3_STATUS_LEFT;
                    930:                        if (where == STATUS_RIGHT)
                    931:                                key = KEYC_SECONDCLICK3_STATUS_RIGHT;
                    932:                        if (where == STATUS_DEFAULT)
                    933:                                key = KEYC_SECONDCLICK3_STATUS_DEFAULT;
                    934:                        if (where == BORDER)
                    935:                                key = KEYC_SECONDCLICK3_BORDER;
1.131     nicm      936:                        break;
1.66      nicm      937:                }
1.131     nicm      938:                break;
1.192     nicm      939:        case DOUBLE:
                    940:                switch (MOUSE_BUTTONS(b)) {
                    941:                case 0:
                    942:                        if (where == PANE)
                    943:                                key = KEYC_DOUBLECLICK1_PANE;
                    944:                        if (where == STATUS)
                    945:                                key = KEYC_DOUBLECLICK1_STATUS;
1.258     nicm      946:                        if (where == STATUS_LEFT)
                    947:                                key = KEYC_DOUBLECLICK1_STATUS_LEFT;
                    948:                        if (where == STATUS_RIGHT)
                    949:                                key = KEYC_DOUBLECLICK1_STATUS_RIGHT;
1.274     nicm      950:                        if (where == STATUS_DEFAULT)
                    951:                                key = KEYC_DOUBLECLICK1_STATUS_DEFAULT;
1.192     nicm      952:                        if (where == BORDER)
                    953:                                key = KEYC_DOUBLECLICK1_BORDER;
                    954:                        break;
                    955:                case 1:
                    956:                        if (where == PANE)
                    957:                                key = KEYC_DOUBLECLICK2_PANE;
                    958:                        if (where == STATUS)
                    959:                                key = KEYC_DOUBLECLICK2_STATUS;
1.258     nicm      960:                        if (where == STATUS_LEFT)
                    961:                                key = KEYC_DOUBLECLICK2_STATUS_LEFT;
                    962:                        if (where == STATUS_RIGHT)
                    963:                                key = KEYC_DOUBLECLICK2_STATUS_RIGHT;
1.274     nicm      964:                        if (where == STATUS_DEFAULT)
                    965:                                key = KEYC_DOUBLECLICK2_STATUS_DEFAULT;
1.192     nicm      966:                        if (where == BORDER)
                    967:                                key = KEYC_DOUBLECLICK2_BORDER;
                    968:                        break;
                    969:                case 2:
                    970:                        if (where == PANE)
                    971:                                key = KEYC_DOUBLECLICK3_PANE;
                    972:                        if (where == STATUS)
                    973:                                key = KEYC_DOUBLECLICK3_STATUS;
1.258     nicm      974:                        if (where == STATUS_LEFT)
                    975:                                key = KEYC_DOUBLECLICK3_STATUS_LEFT;
                    976:                        if (where == STATUS_RIGHT)
                    977:                                key = KEYC_DOUBLECLICK3_STATUS_RIGHT;
1.274     nicm      978:                        if (where == STATUS_DEFAULT)
                    979:                                key = KEYC_DOUBLECLICK3_STATUS_DEFAULT;
1.192     nicm      980:                        if (where == BORDER)
                    981:                                key = KEYC_DOUBLECLICK3_BORDER;
                    982:                        break;
                    983:                }
                    984:                break;
                    985:        case TRIPLE:
                    986:                switch (MOUSE_BUTTONS(b)) {
                    987:                case 0:
                    988:                        if (where == PANE)
                    989:                                key = KEYC_TRIPLECLICK1_PANE;
                    990:                        if (where == STATUS)
                    991:                                key = KEYC_TRIPLECLICK1_STATUS;
1.258     nicm      992:                        if (where == STATUS_LEFT)
                    993:                                key = KEYC_TRIPLECLICK1_STATUS_LEFT;
                    994:                        if (where == STATUS_RIGHT)
                    995:                                key = KEYC_TRIPLECLICK1_STATUS_RIGHT;
1.274     nicm      996:                        if (where == STATUS_DEFAULT)
                    997:                                key = KEYC_TRIPLECLICK1_STATUS_DEFAULT;
1.192     nicm      998:                        if (where == BORDER)
                    999:                                key = KEYC_TRIPLECLICK1_BORDER;
                   1000:                        break;
                   1001:                case 1:
                   1002:                        if (where == PANE)
                   1003:                                key = KEYC_TRIPLECLICK2_PANE;
                   1004:                        if (where == STATUS)
                   1005:                                key = KEYC_TRIPLECLICK2_STATUS;
1.258     nicm     1006:                        if (where == STATUS_LEFT)
                   1007:                                key = KEYC_TRIPLECLICK2_STATUS_LEFT;
                   1008:                        if (where == STATUS_RIGHT)
                   1009:                                key = KEYC_TRIPLECLICK2_STATUS_RIGHT;
1.274     nicm     1010:                        if (where == STATUS_DEFAULT)
                   1011:                                key = KEYC_TRIPLECLICK2_STATUS_DEFAULT;
1.192     nicm     1012:                        if (where == BORDER)
                   1013:                                key = KEYC_TRIPLECLICK2_BORDER;
                   1014:                        break;
                   1015:                case 2:
                   1016:                        if (where == PANE)
                   1017:                                key = KEYC_TRIPLECLICK3_PANE;
                   1018:                        if (where == STATUS)
                   1019:                                key = KEYC_TRIPLECLICK3_STATUS;
1.258     nicm     1020:                        if (where == STATUS_LEFT)
                   1021:                                key = KEYC_TRIPLECLICK3_STATUS_LEFT;
                   1022:                        if (where == STATUS_RIGHT)
                   1023:                                key = KEYC_TRIPLECLICK3_STATUS_RIGHT;
1.274     nicm     1024:                        if (where == STATUS_DEFAULT)
                   1025:                                key = KEYC_TRIPLECLICK3_STATUS_DEFAULT;
1.192     nicm     1026:                        if (where == BORDER)
                   1027:                                key = KEYC_TRIPLECLICK3_BORDER;
                   1028:                        break;
                   1029:                }
                   1030:                break;
1.66      nicm     1031:        }
1.177     nicm     1032:        if (key == KEYC_UNKNOWN)
                   1033:                return (KEYC_UNKNOWN);
1.66      nicm     1034:
1.305     nicm     1035: out:
1.131     nicm     1036:        /* Apply modifiers if any. */
                   1037:        if (b & MOUSE_MASK_META)
1.342   ! nicm     1038:                key |= KEYC_META;
1.131     nicm     1039:        if (b & MOUSE_MASK_CTRL)
                   1040:                key |= KEYC_CTRL;
                   1041:        if (b & MOUSE_MASK_SHIFT)
                   1042:                key |= KEYC_SHIFT;
1.66      nicm     1043:
1.305     nicm     1044:        if (log_get_level() != 0)
                   1045:                log_debug("mouse key is %s", key_string_lookup_key (key));
1.131     nicm     1046:        return (key);
1.66      nicm     1047: }
                   1048:
1.82      nicm     1049: /* Is this fast enough to probably be a paste? */
1.190     nicm     1050: static int
1.82      nicm     1051: server_client_assume_paste(struct session *s)
                   1052: {
                   1053:        struct timeval  tv;
1.84      nicm     1054:        int             t;
1.82      nicm     1055:
1.163     nicm     1056:        if ((t = options_get_number(s->options, "assume-paste-time")) == 0)
1.83      nicm     1057:                return (0);
1.82      nicm     1058:
                   1059:        timersub(&s->activity_time, &s->last_activity_time, &tv);
1.171     nicm     1060:        if (tv.tv_sec == 0 && tv.tv_usec < t * 1000) {
                   1061:                log_debug("session %s pasting (flag %d)", s->name,
                   1062:                    !!(s->flags & SESSION_PASTING));
                   1063:                if (s->flags & SESSION_PASTING)
                   1064:                        return (1);
                   1065:                s->flags |= SESSION_PASTING;
                   1066:                return (0);
                   1067:        }
                   1068:        log_debug("session %s not pasting", s->name);
                   1069:        s->flags &= ~SESSION_PASTING;
1.83      nicm     1070:        return (0);
1.82      nicm     1071: }
                   1072:
1.295     nicm     1073: /* Has the latest client changed? */
                   1074: static void
                   1075: server_client_update_latest(struct client *c)
                   1076: {
                   1077:        struct window   *w;
                   1078:
                   1079:        if (c->session == NULL)
                   1080:                return;
                   1081:        w = c->session->curw->window;
                   1082:
                   1083:        if (w->latest == c)
                   1084:                return;
                   1085:        w->latest = c;
                   1086:
                   1087:        if (options_get_number(w->options, "window-size") == WINDOW_SIZE_LATEST)
                   1088:                recalculate_size(w);
                   1089: }
                   1090:
1.276     nicm     1091: /*
                   1092:  * Handle data key input from client. This owns and can modify the key event it
                   1093:  * is given and is responsible for freeing it.
                   1094:  */
1.280     nicm     1095: static enum cmd_retval
1.276     nicm     1096: server_client_key_callback(struct cmdq_item *item, void *data)
1.18      nicm     1097: {
1.316     nicm     1098:        struct client                   *c = cmdq_get_client(item);
1.276     nicm     1099:        struct key_event                *event = data;
                   1100:        key_code                         key = event->key;
                   1101:        struct mouse_event              *m = &event->m;
1.267     nicm     1102:        struct session                  *s = c->session;
                   1103:        struct winlink                  *wl;
                   1104:        struct window_pane              *wp;
                   1105:        struct window_mode_entry        *wme;
                   1106:        struct timeval                   tv;
                   1107:        struct key_table                *table, *first;
                   1108:        struct key_binding              *bd;
                   1109:        int                              xtimeout, flags;
                   1110:        struct cmd_find_state            fs;
                   1111:        key_code                         key0;
1.18      nicm     1112:
                   1113:        /* Check the client is good to accept input. */
1.303     nicm     1114:        if (s == NULL || (c->flags & CLIENT_UNATTACHEDFLAGS))
1.276     nicm     1115:                goto out;
1.264     nicm     1116:        wl = s->curw;
1.18      nicm     1117:
                   1118:        /* Update the activity timer. */
                   1119:        if (gettimeofday(&c->activity_time, NULL) != 0)
                   1120:                fatal("gettimeofday failed");
1.149     nicm     1121:        session_update_activity(s, &c->activity_time);
1.18      nicm     1122:
                   1123:        /* Check for mouse keys. */
1.204     nicm     1124:        m->valid = 0;
1.306     nicm     1125:        if (key == KEYC_MOUSE || key == KEYC_DOUBLECLICK) {
1.30      nicm     1126:                if (c->flags & CLIENT_READONLY)
1.276     nicm     1127:                        goto out;
                   1128:                key = server_client_check_mouse(c, event);
1.177     nicm     1129:                if (key == KEYC_UNKNOWN)
1.276     nicm     1130:                        goto out;
1.131     nicm     1131:
                   1132:                m->valid = 1;
                   1133:                m->key = key;
1.203     nicm     1134:
                   1135:                /*
1.204     nicm     1136:                 * Mouse drag is in progress, so fire the callback (now that
                   1137:                 * the mouse event is valid).
1.203     nicm     1138:                 */
1.305     nicm     1139:                if ((key & KEYC_MASK_KEY) == KEYC_DRAGGING) {
1.204     nicm     1140:                        c->tty.mouse_drag_update(c, m);
1.276     nicm     1141:                        goto out;
1.204     nicm     1142:                }
1.338     nicm     1143:                event->key = key;
1.276     nicm     1144:        }
1.18      nicm     1145:
1.202     nicm     1146:        /* Find affected pane. */
1.243     nicm     1147:        if (!KEYC_IS_MOUSE(key) || cmd_find_from_mouse(&fs, m, 0) != 0)
1.341     nicm     1148:                cmd_find_from_client(&fs, c, 0);
1.227     nicm     1149:        wp = fs.wp;
1.202     nicm     1150:
                   1151:        /* Forward mouse keys if disabled. */
1.206     nicm     1152:        if (KEYC_IS_MOUSE(key) && !options_get_number(s->options, "mouse"))
1.253     nicm     1153:                goto forward_key;
1.202     nicm     1154:
1.132     nicm     1155:        /* Treat everything as a regular key when pasting is detected. */
1.161     nicm     1156:        if (!KEYC_IS_MOUSE(key) && server_client_assume_paste(s))
1.253     nicm     1157:                goto forward_key;
1.18      nicm     1158:
1.191     nicm     1159:        /*
                   1160:         * Work out the current key table. If the pane is in a mode, use
                   1161:         * the mode table instead of the default key table.
                   1162:         */
1.223     nicm     1163:        if (server_client_is_default_key_table(c, c->keytable) &&
                   1164:            wp != NULL &&
1.267     nicm     1165:            (wme = TAILQ_FIRST(&wp->modes)) != NULL &&
                   1166:            wme->mode->key_table != NULL)
                   1167:                table = key_bindings_get_table(wme->mode->key_table(wme), 1);
1.223     nicm     1168:        else
1.191     nicm     1169:                table = c->keytable;
1.223     nicm     1170:        first = table;
1.191     nicm     1171:
1.253     nicm     1172: table_changed:
1.205     nicm     1173:        /*
                   1174:         * The prefix always takes precedence and forces a switch to the prefix
                   1175:         * table, unless we are already there.
                   1176:         */
1.252     nicm     1177:        key0 = (key & ~KEYC_XTERM);
1.239     nicm     1178:        if ((key0 == (key_code)options_get_number(s->options, "prefix") ||
                   1179:            key0 == (key_code)options_get_number(s->options, "prefix2")) &&
1.205     nicm     1180:            strcmp(table->name, "prefix") != 0) {
                   1181:                server_client_set_key_table(c, "prefix");
                   1182:                server_status_client(c);
1.276     nicm     1183:                goto out;
1.205     nicm     1184:        }
1.238     nicm     1185:        flags = c->flags;
1.205     nicm     1186:
1.262     nicm     1187: try_again:
1.223     nicm     1188:        /* Log key table. */
                   1189:        if (wp == NULL)
                   1190:                log_debug("key table %s (no pane)", table->name);
                   1191:        else
                   1192:                log_debug("key table %s (pane %%%u)", table->name, wp->id);
1.225     nicm     1193:        if (c->flags & CLIENT_REPEAT)
                   1194:                log_debug("currently repeating");
1.223     nicm     1195:
1.132     nicm     1196:        /* Try to see if there is a key binding in the current table. */
1.254     nicm     1197:        bd = key_bindings_get(table, key0);
1.132     nicm     1198:        if (bd != NULL) {
                   1199:                /*
                   1200:                 * Key was matched in this table. If currently repeating but a
                   1201:                 * non-repeating binding was found, stop repeating and try
                   1202:                 * again in the root table.
                   1203:                 */
1.222     nicm     1204:                if ((c->flags & CLIENT_REPEAT) &&
                   1205:                    (~bd->flags & KEY_BINDING_REPEAT)) {
1.262     nicm     1206:                        log_debug("found in key table %s (not repeating)",
                   1207:                            table->name);
1.178     nicm     1208:                        server_client_set_key_table(c, NULL);
1.262     nicm     1209:                        first = table = c->keytable;
1.132     nicm     1210:                        c->flags &= ~CLIENT_REPEAT;
1.85      nicm     1211:                        server_status_client(c);
1.253     nicm     1212:                        goto table_changed;
1.18      nicm     1213:                }
1.223     nicm     1214:                log_debug("found in key table %s", table->name);
1.82      nicm     1215:
1.132     nicm     1216:                /*
                   1217:                 * Take a reference to this table to make sure the key binding
                   1218:                 * doesn't disappear.
                   1219:                 */
                   1220:                table->references++;
                   1221:
                   1222:                /*
                   1223:                 * If this is a repeating key, start the timer. Otherwise reset
                   1224:                 * the client back to the root table.
                   1225:                 */
1.163     nicm     1226:                xtimeout = options_get_number(s->options, "repeat-time");
1.222     nicm     1227:                if (xtimeout != 0 && (bd->flags & KEY_BINDING_REPEAT)) {
1.132     nicm     1228:                        c->flags |= CLIENT_REPEAT;
                   1229:
                   1230:                        tv.tv_sec = xtimeout / 1000;
                   1231:                        tv.tv_usec = (xtimeout % 1000) * 1000L;
                   1232:                        evtimer_del(&c->repeat_timer);
                   1233:                        evtimer_add(&c->repeat_timer, &tv);
                   1234:                } else {
1.18      nicm     1235:                        c->flags &= ~CLIENT_REPEAT;
1.178     nicm     1236:                        server_client_set_key_table(c, NULL);
1.18      nicm     1237:                }
1.132     nicm     1238:                server_status_client(c);
                   1239:
1.227     nicm     1240:                /* Execute the key binding. */
1.317     nicm     1241:                key_bindings_dispatch(bd, item, c, event, &fs);
1.132     nicm     1242:                key_bindings_unref_table(table);
1.276     nicm     1243:                goto out;
1.18      nicm     1244:        }
                   1245:
1.132     nicm     1246:        /*
1.253     nicm     1247:         * No match, try the ANY key.
                   1248:         */
                   1249:        if (key0 != KEYC_ANY) {
                   1250:                key0 = KEYC_ANY;
                   1251:                goto try_again;
                   1252:        }
                   1253:
                   1254:        /*
1.223     nicm     1255:         * No match in this table. If not in the root table or if repeating,
                   1256:         * switch the client back to the root table and try again.
1.132     nicm     1257:         */
1.223     nicm     1258:        log_debug("not found in key table %s", table->name);
                   1259:        if (!server_client_is_default_key_table(c, table) ||
                   1260:            (c->flags & CLIENT_REPEAT)) {
1.262     nicm     1261:                log_debug("trying in root table");
1.178     nicm     1262:                server_client_set_key_table(c, NULL);
1.262     nicm     1263:                table = c->keytable;
                   1264:                if (c->flags & CLIENT_REPEAT)
                   1265:                        first = table;
1.18      nicm     1266:                c->flags &= ~CLIENT_REPEAT;
1.132     nicm     1267:                server_status_client(c);
1.253     nicm     1268:                goto table_changed;
1.18      nicm     1269:        }
                   1270:
1.223     nicm     1271:        /*
                   1272:         * No match in the root table either. If this wasn't the first table
                   1273:         * tried, don't pass the key to the pane.
                   1274:         */
1.238     nicm     1275:        if (first != table && (~flags & CLIENT_REPEAT)) {
1.178     nicm     1276:                server_client_set_key_table(c, NULL);
1.132     nicm     1277:                server_status_client(c);
1.276     nicm     1278:                goto out;
1.161     nicm     1279:        }
                   1280:
1.253     nicm     1281: forward_key:
1.161     nicm     1282:        if (c->flags & CLIENT_READONLY)
1.276     nicm     1283:                goto out;
1.161     nicm     1284:        if (wp != NULL)
1.264     nicm     1285:                window_pane_key(wp, c, s, wl, key, m);
1.276     nicm     1286:
                   1287: out:
1.295     nicm     1288:        if (s != NULL)
                   1289:                server_client_update_latest(c);
1.276     nicm     1290:        free(event);
                   1291:        return (CMD_RETURN_NORMAL);
1.280     nicm     1292: }
                   1293:
                   1294: /* Handle a key event. */
                   1295: int
                   1296: server_client_handle_key(struct client *c, struct key_event *event)
                   1297: {
                   1298:        struct session          *s = c->session;
                   1299:        struct cmdq_item        *item;
                   1300:
                   1301:        /* Check the client is good to accept input. */
1.303     nicm     1302:        if (s == NULL || (c->flags & CLIENT_UNATTACHEDFLAGS))
1.280     nicm     1303:                return (0);
                   1304:
                   1305:        /*
1.291     nicm     1306:         * Key presses in overlay mode and the command prompt are a special
                   1307:         * case. The queue might be blocked so they need to be processed
                   1308:         * immediately rather than queued.
1.280     nicm     1309:         */
1.291     nicm     1310:        if (~c->flags & CLIENT_READONLY) {
                   1311:                status_message_clear(c);
                   1312:                if (c->overlay_key != NULL) {
                   1313:                        switch (c->overlay_key(c, event)) {
                   1314:                        case 0:
                   1315:                                return (0);
                   1316:                        case 1:
                   1317:                                server_client_clear_overlay(c);
                   1318:                                return (0);
                   1319:                        }
1.290     nicm     1320:                }
1.293     nicm     1321:                server_client_clear_overlay(c);
1.335     nicm     1322:                if (c->prompt_string != NULL) {
                   1323:                        if (status_prompt_key(c, event->key) == 0)
                   1324:                                return (0);
                   1325:                }
1.280     nicm     1326:        }
                   1327:
                   1328:        /*
                   1329:         * Add the key to the queue so it happens after any commands queued by
                   1330:         * previous keys.
                   1331:         */
                   1332:        item = cmdq_get_callback(server_client_key_callback, event);
                   1333:        cmdq_append(c, item);
                   1334:        return (1);
1.18      nicm     1335: }
                   1336:
1.2       nicm     1337: /* Client functions that need to happen every loop. */
                   1338: void
                   1339: server_client_loop(void)
                   1340: {
                   1341:        struct client           *c;
                   1342:        struct window           *w;
                   1343:        struct window_pane      *wp;
1.287     nicm     1344:        struct winlink          *wl;
                   1345:        struct session          *s;
1.296     nicm     1346:        int                      focus, attached, resize;
1.2       nicm     1347:
1.135     nicm     1348:        TAILQ_FOREACH(c, &clients, entry) {
1.36      nicm     1349:                server_client_check_exit(c);
                   1350:                if (c->session != NULL) {
                   1351:                        server_client_check_redraw(c);
                   1352:                        server_client_reset_state(c);
                   1353:                }
1.2       nicm     1354:        }
                   1355:
                   1356:        /*
                   1357:         * Any windows will have been redrawn as part of clients, so clear
1.92      nicm     1358:         * their flags now. Also check pane focus and resize.
1.296     nicm     1359:         *
                   1360:         * As an optimization, panes in windows that are in an attached session
                   1361:         * but not the current window are not resized (this reduces the amount
                   1362:         * of work needed when, for example, resizing an X terminal a
                   1363:         * lot). Windows in no attached session are resized immediately since
                   1364:         * that is likely to have come from a command like split-window and be
                   1365:         * what the user wanted.
1.2       nicm     1366:         */
1.197     nicm     1367:        focus = options_get_number(global_options, "focus-events");
1.134     nicm     1368:        RB_FOREACH(w, windows, &windows) {
1.296     nicm     1369:                attached = resize = 0;
1.287     nicm     1370:                TAILQ_FOREACH(wl, &w->winlinks, wentry) {
                   1371:                        s = wl->session;
1.296     nicm     1372:                        if (s->attached != 0)
                   1373:                                attached = 1;
                   1374:                        if (s->attached != 0 && s->curw == wl) {
                   1375:                                resize = 1;
1.287     nicm     1376:                                break;
1.296     nicm     1377:                        }
1.287     nicm     1378:                }
1.296     nicm     1379:                if (!attached)
                   1380:                        resize = 1;
1.91      nicm     1381:                TAILQ_FOREACH(wp, &w->panes, entry) {
1.289     nicm     1382:                        if (wp->fd != -1) {
1.197     nicm     1383:                                if (focus)
                   1384:                                        server_client_check_focus(wp);
1.296     nicm     1385:                                if (resize)
1.289     nicm     1386:                                        server_client_check_resize(wp);
1.101     nicm     1387:                        }
1.326     nicm     1388:                        wp->flags &= ~PANE_REDRAW;
1.91      nicm     1389:                }
1.150     nicm     1390:                check_window_name(w);
1.2       nicm     1391:        }
1.92      nicm     1392: }
                   1393:
1.237     nicm     1394: /* Check if we need to force a resize. */
                   1395: static int
                   1396: server_client_resize_force(struct window_pane *wp)
                   1397: {
                   1398:        struct timeval  tv = { .tv_usec = 100000 };
                   1399:
                   1400:        /*
                   1401:         * If we are resizing to the same size as when we entered the loop
                   1402:         * (that is, to the same size the application currently thinks it is),
                   1403:         * tmux may have gone through several resizes internally and thrown
                   1404:         * away parts of the screen. So we need the application to actually
                   1405:         * redraw even though its final size has not changed.
                   1406:         */
                   1407:
                   1408:        if (wp->flags & PANE_RESIZEFORCE) {
                   1409:                wp->flags &= ~PANE_RESIZEFORCE;
                   1410:                return (0);
                   1411:        }
                   1412:
                   1413:        if (wp->sx != wp->osx ||
                   1414:            wp->sy != wp->osy ||
                   1415:            wp->sx <= 1 ||
                   1416:            wp->sy <= 1)
                   1417:                return (0);
                   1418:
                   1419:        log_debug("%s: %%%u forcing resize", __func__, wp->id);
1.297     nicm     1420:        window_pane_send_resize(wp, -1);
1.237     nicm     1421:
                   1422:        evtimer_add(&wp->resize_timer, &tv);
                   1423:        wp->flags |= PANE_RESIZEFORCE;
                   1424:        return (1);
                   1425: }
                   1426:
1.294     nicm     1427: /* Resize a pane. */
1.188     nicm     1428: static void
1.294     nicm     1429: server_client_resize_pane(struct window_pane *wp)
1.92      nicm     1430: {
1.235     nicm     1431:        log_debug("%s: %%%u resize to %u,%u", __func__, wp->id, wp->sx, wp->sy);
1.297     nicm     1432:        window_pane_send_resize(wp, 0);
1.92      nicm     1433:
                   1434:        wp->flags &= ~PANE_RESIZE;
1.235     nicm     1435:
                   1436:        wp->osx = wp->sx;
                   1437:        wp->osy = wp->sy;
1.188     nicm     1438: }
                   1439:
1.294     nicm     1440: /* Start the resize timer. */
                   1441: static void
                   1442: server_client_start_resize_timer(struct window_pane *wp)
                   1443: {
                   1444:        struct timeval  tv = { .tv_usec = 250000 };
                   1445:
                   1446:        if (!evtimer_pending(&wp->resize_timer, NULL))
                   1447:                evtimer_add(&wp->resize_timer, &tv);
                   1448: }
                   1449:
                   1450: /* Resize timer event. */
                   1451: static void
                   1452: server_client_resize_event(__unused int fd, __unused short events, void *data)
                   1453: {
                   1454:        struct window_pane      *wp = data;
                   1455:
                   1456:        evtimer_del(&wp->resize_timer);
                   1457:
                   1458:        if (~wp->flags & PANE_RESIZE)
                   1459:                return;
                   1460:        log_debug("%s: %%%u timer fired (was%s resized)", __func__, wp->id,
                   1461:            (wp->flags & PANE_RESIZED) ? "" : " not");
                   1462:
1.310     nicm     1463:        if (wp->base.saved_grid == NULL && (wp->flags & PANE_RESIZED)) {
1.294     nicm     1464:                log_debug("%s: %%%u deferring timer", __func__, wp->id);
                   1465:                server_client_start_resize_timer(wp);
                   1466:        } else if (!server_client_resize_force(wp)) {
                   1467:                log_debug("%s: %%%u resizing pane", __func__, wp->id);
                   1468:                server_client_resize_pane(wp);
                   1469:        }
                   1470:        wp->flags &= ~PANE_RESIZED;
                   1471: }
                   1472:
1.188     nicm     1473: /* Check if pane should be resized. */
1.190     nicm     1474: static void
1.188     nicm     1475: server_client_check_resize(struct window_pane *wp)
                   1476: {
1.294     nicm     1477:        if (~wp->flags & PANE_RESIZE)
1.188     nicm     1478:                return;
                   1479:
                   1480:        if (!event_initialized(&wp->resize_timer))
                   1481:                evtimer_set(&wp->resize_timer, server_client_resize_event, wp);
                   1482:
1.294     nicm     1483:        if (!evtimer_pending(&wp->resize_timer, NULL)) {
                   1484:                log_debug("%s: %%%u starting timer", __func__, wp->id);
                   1485:                server_client_resize_pane(wp);
                   1486:                server_client_start_resize_timer(wp);
                   1487:        } else
                   1488:                log_debug("%s: %%%u timer running", __func__, wp->id);
1.91      nicm     1489: }
                   1490:
                   1491: /* Check whether pane should be focused. */
1.190     nicm     1492: static void
1.91      nicm     1493: server_client_check_focus(struct window_pane *wp)
                   1494: {
1.93      nicm     1495:        struct client   *c;
1.102     nicm     1496:        int              push;
                   1497:
                   1498:        /* Do we need to push the focus state? */
                   1499:        push = wp->flags & PANE_FOCUSPUSH;
                   1500:        wp->flags &= ~PANE_FOCUSPUSH;
1.91      nicm     1501:
                   1502:        /* If we're not the active pane in our window, we're not focused. */
                   1503:        if (wp->window->active != wp)
                   1504:                goto not_focused;
                   1505:
                   1506:        /* If we're in a mode, we're not focused. */
                   1507:        if (wp->screen != &wp->base)
                   1508:                goto not_focused;
                   1509:
                   1510:        /*
1.93      nicm     1511:         * If our window is the current window in any focused clients with an
                   1512:         * attached session, we're focused.
1.91      nicm     1513:         */
1.135     nicm     1514:        TAILQ_FOREACH(c, &clients, entry) {
                   1515:                if (c->session == NULL || !(c->flags & CLIENT_FOCUSED))
1.91      nicm     1516:                        continue;
1.255     nicm     1517:                if (c->session->attached == 0)
1.93      nicm     1518:                        continue;
                   1519:
                   1520:                if (c->session->curw->window == wp->window)
1.91      nicm     1521:                        goto focused;
                   1522:        }
                   1523:
                   1524: not_focused:
1.251     nicm     1525:        if (push || (wp->flags & PANE_FOCUSED)) {
                   1526:                if (wp->base.mode & MODE_FOCUSON)
                   1527:                        bufferevent_write(wp->event, "\033[O", 3);
                   1528:                notify_pane("pane-focus-out", wp);
                   1529:        }
1.91      nicm     1530:        wp->flags &= ~PANE_FOCUSED;
                   1531:        return;
                   1532:
                   1533: focused:
1.251     nicm     1534:        if (push || !(wp->flags & PANE_FOCUSED)) {
                   1535:                if (wp->base.mode & MODE_FOCUSON)
                   1536:                        bufferevent_write(wp->event, "\033[I", 3);
                   1537:                notify_pane("pane-focus-in", wp);
1.275     nicm     1538:                session_update_activity(c->session, NULL);
1.251     nicm     1539:        }
1.91      nicm     1540:        wp->flags |= PANE_FOCUSED;
1.2       nicm     1541: }
                   1542:
1.18      nicm     1543: /*
                   1544:  * Update cursor position and mode settings. The scroll region and attributes
                   1545:  * are cleared when idle (waiting for an event) as this is the most likely time
                   1546:  * a user may interrupt tmux, for example with ~^Z in ssh(1). This is a
                   1547:  * compromise between excessive resets and likelihood of an interrupt.
                   1548:  *
                   1549:  * tty_region/tty_reset/tty_update_mode already take care of not resetting
                   1550:  * things that are already in their default state.
                   1551:  */
1.190     nicm     1552: static void
1.18      nicm     1553: server_client_reset_state(struct client *c)
1.1       nicm     1554: {
1.332     nicm     1555:        struct tty              *tty = &c->tty;
1.18      nicm     1556:        struct window           *w = c->session->curw->window;
1.341     nicm     1557:        struct window_pane      *wp = server_client_get_pane(c), *loop;
1.336     nicm     1558:        struct screen           *s = NULL;
1.163     nicm     1559:        struct options          *oo = c->session->options;
1.336     nicm     1560:        int                      mode = 0, cursor, flags;
1.261     nicm     1561:        u_int                    cx = 0, cy = 0, ox, oy, sx, sy;
1.60      nicm     1562:
1.186     nicm     1563:        if (c->flags & (CLIENT_CONTROL|CLIENT_SUSPENDED))
1.86      nicm     1564:                return;
                   1565:
1.332     nicm     1566:        /* Disable the block flag. */
                   1567:        flags = (tty->flags & TTY_BLOCK);
                   1568:        tty->flags &= ~TTY_BLOCK;
                   1569:
1.309     nicm     1570:        /* Get mode from overlay if any, else from screen. */
                   1571:        if (c->overlay_draw != NULL) {
1.336     nicm     1572:                if (c->overlay_mode != NULL)
                   1573:                        s = c->overlay_mode(c, &cx, &cy);
                   1574:        } else
1.309     nicm     1575:                s = wp->screen;
1.336     nicm     1576:        if (s != NULL)
1.309     nicm     1577:                mode = s->mode;
1.336     nicm     1578:        if (c->prompt_string != NULL || c->message_string != NULL)
                   1579:                mode &= ~MODE_CURSOR;
1.309     nicm     1580:        log_debug("%s: client %s mode %x", __func__, c->name, mode);
                   1581:
                   1582:        /* Reset region and margin. */
1.332     nicm     1583:        tty_region_off(tty);
                   1584:        tty_margin_off(tty);
1.1       nicm     1585:
1.261     nicm     1586:        /* Move cursor to pane cursor and offset. */
1.309     nicm     1587:        if (c->overlay_draw == NULL) {
                   1588:                cursor = 0;
1.332     nicm     1589:                tty_window_offset(tty, &ox, &oy, &sx, &sy);
1.309     nicm     1590:                if (wp->xoff + s->cx >= ox && wp->xoff + s->cx <= ox + sx &&
                   1591:                    wp->yoff + s->cy >= oy && wp->yoff + s->cy <= oy + sy) {
                   1592:                        cursor = 1;
1.261     nicm     1593:
1.309     nicm     1594:                        cx = wp->xoff + s->cx - ox;
                   1595:                        cy = wp->yoff + s->cy - oy;
1.261     nicm     1596:
1.309     nicm     1597:                        if (status_at_line(c) == 0)
                   1598:                                cy += status_line_size(c);
                   1599:                }
                   1600:                if (!cursor)
                   1601:                        mode &= ~MODE_CURSOR;
1.261     nicm     1602:        }
1.332     nicm     1603:        log_debug("%s: cursor to %u,%u", __func__, cx, cy);
                   1604:        tty_cursor(tty, cx, cy);
1.1       nicm     1605:
1.50      nicm     1606:        /*
1.131     nicm     1607:         * Set mouse mode if requested. To support dragging, always use button
                   1608:         * mode.
1.57      nicm     1609:         */
1.209     nicm     1610:        if (options_get_number(oo, "mouse")) {
                   1611:                mode &= ~ALL_MOUSE_MODES;
1.309     nicm     1612:                if (c->overlay_draw == NULL) {
                   1613:                        TAILQ_FOREACH(loop, &w->panes, entry) {
                   1614:                                if (loop->screen->mode & MODE_MOUSE_ALL)
                   1615:                                        mode |= MODE_MOUSE_ALL;
                   1616:                        }
1.209     nicm     1617:                }
                   1618:                if (~mode & MODE_MOUSE_ALL)
                   1619:                        mode |= MODE_MOUSE_BUTTON;
                   1620:        }
1.215     nicm     1621:
                   1622:        /* Clear bracketed paste mode if at the prompt. */
1.309     nicm     1623:        if (c->overlay_draw == NULL && c->prompt_string != NULL)
1.215     nicm     1624:                mode &= ~MODE_BRACKETPASTE;
1.48      nicm     1625:
                   1626:        /* Set the terminal mode and reset attributes. */
1.332     nicm     1627:        tty_update_mode(tty, mode, s);
                   1628:        tty_reset(tty);
1.330     nicm     1629:
1.332     nicm     1630:        /* All writing must be done, send a sync end (if it was started). */
                   1631:        tty_sync_end(tty);
                   1632:        tty->flags |= flags;
1.17      nicm     1633: }
                   1634:
                   1635: /* Repeat time callback. */
1.190     nicm     1636: static void
1.170     nicm     1637: server_client_repeat_timer(__unused int fd, __unused short events, void *data)
1.17      nicm     1638: {
                   1639:        struct client   *c = data;
                   1640:
1.85      nicm     1641:        if (c->flags & CLIENT_REPEAT) {
1.178     nicm     1642:                server_client_set_key_table(c, NULL);
1.132     nicm     1643:                c->flags &= ~CLIENT_REPEAT;
                   1644:                server_status_client(c);
1.85      nicm     1645:        }
1.192     nicm     1646: }
                   1647:
                   1648: /* Double-click callback. */
                   1649: static void
                   1650: server_client_click_timer(__unused int fd, __unused short events, void *data)
                   1651: {
1.306     nicm     1652:        struct client           *c = data;
                   1653:        struct key_event        *event;
                   1654:
                   1655:        log_debug("click timer expired");
1.192     nicm     1656:
1.306     nicm     1657:        if (c->flags & CLIENT_TRIPLECLICK) {
                   1658:                /*
                   1659:                 * Waiting for a third click that hasn't happened, so this must
                   1660:                 * have been a double click.
                   1661:                 */
                   1662:                event = xmalloc(sizeof *event);
                   1663:                event->key = KEYC_DOUBLECLICK;
                   1664:                memcpy(&event->m, &c->click_event, sizeof event->m);
                   1665:                if (!server_client_handle_key(c, event))
                   1666:                        free(event);
                   1667:        }
1.192     nicm     1668:        c->flags &= ~(CLIENT_DOUBLECLICK|CLIENT_TRIPLECLICK);
1.1       nicm     1669: }
                   1670:
1.36      nicm     1671: /* Check if client should be exited. */
1.190     nicm     1672: static void
1.36      nicm     1673: server_client_check_exit(struct client *c)
                   1674: {
1.300     nicm     1675:        struct client_file      *cf;
                   1676:
1.286     nicm     1677:        if (~c->flags & CLIENT_EXIT)
                   1678:                return;
                   1679:        if (c->flags & CLIENT_EXITED)
1.36      nicm     1680:                return;
                   1681:
1.300     nicm     1682:        RB_FOREACH(cf, client_files, &c->files) {
                   1683:                if (EVBUFFER_LENGTH(cf->buffer) != 0)
                   1684:                        return;
                   1685:        }
1.36      nicm     1686:
1.249     nicm     1687:        if (c->flags & CLIENT_ATTACHED)
                   1688:                notify_client("client-detached", c);
1.162     nicm     1689:        proc_send(c->peer, MSG_EXIT, -1, &c->retval, sizeof c->retval);
1.286     nicm     1690:        c->flags |= CLIENT_EXITED;
1.38      nicm     1691: }
                   1692:
1.218     nicm     1693: /* Redraw timer callback. */
                   1694: static void
                   1695: server_client_redraw_timer(__unused int fd, __unused short events,
1.299     nicm     1696:     __unused void *data)
1.218     nicm     1697: {
                   1698:        log_debug("redraw timer fired");
                   1699: }
                   1700:
1.1       nicm     1701: /* Check for client redraws. */
1.190     nicm     1702: static void
1.1       nicm     1703: server_client_check_redraw(struct client *c)
                   1704: {
                   1705:        struct session          *s = c->session;
1.137     nicm     1706:        struct tty              *tty = &c->tty;
1.326     nicm     1707:        struct window           *w = c->session->curw->window;
1.1       nicm     1708:        struct window_pane      *wp;
1.325     nicm     1709:        int                      needed, flags, mode = tty->mode, new_flags = 0;
1.326     nicm     1710:        int                      redraw;
                   1711:        u_int                    bit = 0;
1.218     nicm     1712:        struct timeval           tv = { .tv_usec = 1000 };
                   1713:        static struct event      ev;
                   1714:        size_t                   left;
1.1       nicm     1715:
1.86      nicm     1716:        if (c->flags & (CLIENT_CONTROL|CLIENT_SUSPENDED))
1.79      nicm     1717:                return;
1.257     nicm     1718:        if (c->flags & CLIENT_ALLREDRAWFLAGS) {
1.325     nicm     1719:                log_debug("%s: redraw%s%s%s%s%s", c->name,
1.257     nicm     1720:                    (c->flags & CLIENT_REDRAWWINDOW) ? " window" : "",
                   1721:                    (c->flags & CLIENT_REDRAWSTATUS) ? " status" : "",
1.282     nicm     1722:                    (c->flags & CLIENT_REDRAWBORDERS) ? " borders" : "",
1.325     nicm     1723:                    (c->flags & CLIENT_REDRAWOVERLAY) ? " overlay" : "",
                   1724:                    (c->flags & CLIENT_REDRAWPANES) ? " panes" : "");
1.257     nicm     1725:        }
1.218     nicm     1726:
                   1727:        /*
                   1728:         * If there is outstanding data, defer the redraw until it has been
                   1729:         * consumed. We can just add a timer to get out of the event loop and
                   1730:         * end up back here.
                   1731:         */
                   1732:        needed = 0;
1.256     nicm     1733:        if (c->flags & CLIENT_ALLREDRAWFLAGS)
1.218     nicm     1734:                needed = 1;
                   1735:        else {
1.326     nicm     1736:                TAILQ_FOREACH(wp, &w->panes, entry) {
1.218     nicm     1737:                        if (wp->flags & PANE_REDRAW) {
                   1738:                                needed = 1;
                   1739:                                break;
                   1740:                        }
                   1741:                }
1.325     nicm     1742:                if (needed)
                   1743:                        new_flags |= CLIENT_REDRAWPANES;
1.218     nicm     1744:        }
1.241     nicm     1745:        if (needed && (left = EVBUFFER_LENGTH(tty->out)) != 0) {
                   1746:                log_debug("%s: redraw deferred (%zu left)", c->name, left);
                   1747:                if (!evtimer_initialized(&ev))
                   1748:                        evtimer_set(&ev, server_client_redraw_timer, NULL);
                   1749:                if (!evtimer_pending(&ev, NULL)) {
1.218     nicm     1750:                        log_debug("redraw timer started");
                   1751:                        evtimer_add(&ev, &tv);
1.241     nicm     1752:                }
1.327     nicm     1753:
                   1754:                if (~c->flags & CLIENT_REDRAWWINDOW) {
1.326     nicm     1755:                        TAILQ_FOREACH(wp, &w->panes, entry) {
1.327     nicm     1756:                                if (wp->flags & PANE_REDRAW) {
                   1757:                                        log_debug("%s: pane %%%u needs redraw",
                   1758:                                            c->name, wp->id);
1.326     nicm     1759:                                        c->redraw_panes |= (1 << bit);
1.327     nicm     1760:                                }
1.326     nicm     1761:                                if (++bit == 64) {
                   1762:                                        /*
                   1763:                                         * If more that 64 panes, give up and
                   1764:                                         * just redraw the window.
                   1765:                                         */
                   1766:                                        new_flags &= CLIENT_REDRAWPANES;
                   1767:                                        new_flags |= CLIENT_REDRAWWINDOW;
                   1768:                                        break;
                   1769:                                }
                   1770:                        }
1.327     nicm     1771:                        if (c->redraw_panes != 0)
                   1772:                                c->flags |= CLIENT_REDRAWPANES;
1.326     nicm     1773:                }
1.325     nicm     1774:                c->flags |= new_flags;
1.241     nicm     1775:                return;
                   1776:        } else if (needed)
1.218     nicm     1777:                log_debug("%s: redraw needed", c->name);
1.79      nicm     1778:
1.219     nicm     1779:        flags = tty->flags & (TTY_BLOCK|TTY_FREEZE|TTY_NOCURSOR);
1.326     nicm     1780:        tty->flags = (tty->flags & ~(TTY_BLOCK|TTY_FREEZE))|TTY_NOCURSOR;
1.137     nicm     1781:
1.256     nicm     1782:        if (~c->flags & CLIENT_REDRAWWINDOW) {
                   1783:                /*
                   1784:                 * If not redrawing the entire window, check whether each pane
                   1785:                 * needs to be redrawn.
                   1786:                 */
1.326     nicm     1787:                TAILQ_FOREACH(wp, &w->panes, entry) {
                   1788:                        redraw = 0;
                   1789:                        if (wp->flags & PANE_REDRAW)
                   1790:                                redraw = 1;
                   1791:                        else if (c->flags & CLIENT_REDRAWPANES)
                   1792:                                redraw = !!(c->redraw_panes & (1 << bit));
1.328     nicm     1793:                        bit++;
1.326     nicm     1794:                        if (!redraw)
                   1795:                                continue;
                   1796:                        log_debug("%s: redrawing pane %%%u", __func__, wp->id);
                   1797:                        screen_redraw_pane(c, wp);
1.1       nicm     1798:                }
1.331     nicm     1799:                c->redraw_panes = 0;
1.325     nicm     1800:                c->flags &= ~CLIENT_REDRAWPANES;
1.1       nicm     1801:        }
                   1802:
1.256     nicm     1803:        if (c->flags & CLIENT_ALLREDRAWFLAGS) {
                   1804:                if (options_get_number(s->options, "set-titles"))
                   1805:                        server_client_set_title(c);
                   1806:                screen_redraw_screen(c);
                   1807:        }
1.1       nicm     1808:
1.326     nicm     1809:        tty->flags = (tty->flags & ~TTY_NOCURSOR)|(flags & TTY_NOCURSOR);
1.320     nicm     1810:        tty_update_mode(tty, mode, NULL);
1.326     nicm     1811:        tty->flags = (tty->flags & ~(TTY_BLOCK|TTY_FREEZE|TTY_NOCURSOR))|flags;
1.1       nicm     1812:
1.256     nicm     1813:        c->flags &= ~(CLIENT_ALLREDRAWFLAGS|CLIENT_STATUSFORCE);
1.230     nicm     1814:
                   1815:        if (needed) {
                   1816:                /*
                   1817:                 * We would have deferred the redraw unless the output buffer
                   1818:                 * was empty, so we can record how many bytes the redraw
                   1819:                 * generated.
                   1820:                 */
                   1821:                c->redraw = EVBUFFER_LENGTH(tty->out);
                   1822:                log_debug("%s: redraw added %zu bytes", c->name, c->redraw);
                   1823:        }
1.1       nicm     1824: }
                   1825:
                   1826: /* Set client title. */
1.190     nicm     1827: static void
1.1       nicm     1828: server_client_set_title(struct client *c)
                   1829: {
1.128     nicm     1830:        struct session          *s = c->session;
                   1831:        const char              *template;
                   1832:        char                    *title;
                   1833:        struct format_tree      *ft;
1.1       nicm     1834:
1.163     nicm     1835:        template = options_get_string(s->options, "set-titles-string");
1.25      nicm     1836:
1.228     nicm     1837:        ft = format_create(c, NULL, FORMAT_NONE, 0);
1.128     nicm     1838:        format_defaults(ft, c, NULL, NULL, NULL);
                   1839:
1.269     nicm     1840:        title = format_expand_time(ft, template);
1.1       nicm     1841:        if (c->title == NULL || strcmp(title, c->title) != 0) {
1.77      nicm     1842:                free(c->title);
1.1       nicm     1843:                c->title = xstrdup(title);
                   1844:                tty_set_title(&c->tty, c->title);
                   1845:        }
1.77      nicm     1846:        free(title);
1.128     nicm     1847:
                   1848:        format_free(ft);
1.1       nicm     1849: }
                   1850:
                   1851: /* Dispatch message from client. */
1.190     nicm     1852: static void
1.162     nicm     1853: server_client_dispatch(struct imsg *imsg, void *arg)
1.1       nicm     1854: {
1.300     nicm     1855:        struct client   *c = arg;
                   1856:        ssize_t          datalen;
                   1857:        struct session  *s;
1.1       nicm     1858:
1.162     nicm     1859:        if (c->flags & CLIENT_DEAD)
                   1860:                return;
                   1861:
                   1862:        if (imsg == NULL) {
                   1863:                server_client_lost(c);
                   1864:                return;
                   1865:        }
1.1       nicm     1866:
1.162     nicm     1867:        datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
1.1       nicm     1868:
1.162     nicm     1869:        switch (imsg->hdr.type) {
1.329     nicm     1870:        case MSG_IDENTIFY_FEATURES:
1.162     nicm     1871:        case MSG_IDENTIFY_FLAGS:
                   1872:        case MSG_IDENTIFY_TERM:
                   1873:        case MSG_IDENTIFY_TTYNAME:
                   1874:        case MSG_IDENTIFY_CWD:
                   1875:        case MSG_IDENTIFY_STDIN:
                   1876:        case MSG_IDENTIFY_ENVIRON:
                   1877:        case MSG_IDENTIFY_CLIENTPID:
                   1878:        case MSG_IDENTIFY_DONE:
                   1879:                server_client_dispatch_identify(c, imsg);
                   1880:                break;
                   1881:        case MSG_COMMAND:
                   1882:                server_client_dispatch_command(c, imsg);
                   1883:                break;
                   1884:        case MSG_RESIZE:
                   1885:                if (datalen != 0)
                   1886:                        fatalx("bad MSG_RESIZE size");
1.1       nicm     1887:
1.162     nicm     1888:                if (c->flags & CLIENT_CONTROL)
1.1       nicm     1889:                        break;
1.295     nicm     1890:                server_client_update_latest(c);
1.282     nicm     1891:                server_client_clear_overlay(c);
1.236     nicm     1892:                tty_resize(&c->tty);
                   1893:                recalculate_sizes();
                   1894:                server_redraw_client(c);
1.174     nicm     1895:                if (c->session != NULL)
1.196     nicm     1896:                        notify_client("client-resized", c);
1.162     nicm     1897:                break;
                   1898:        case MSG_EXITING:
                   1899:                if (datalen != 0)
                   1900:                        fatalx("bad MSG_EXITING size");
1.1       nicm     1901:
1.162     nicm     1902:                c->session = NULL;
                   1903:                tty_close(&c->tty);
                   1904:                proc_send(c->peer, MSG_EXITED, -1, NULL, 0);
                   1905:                break;
                   1906:        case MSG_WAKEUP:
                   1907:        case MSG_UNLOCK:
                   1908:                if (datalen != 0)
                   1909:                        fatalx("bad MSG_WAKEUP size");
1.121     nicm     1910:
1.162     nicm     1911:                if (!(c->flags & CLIENT_SUSPENDED))
                   1912:                        break;
                   1913:                c->flags &= ~CLIENT_SUSPENDED;
1.10      nicm     1914:
1.162     nicm     1915:                if (c->tty.fd == -1) /* exited in the meantime */
1.1       nicm     1916:                        break;
1.162     nicm     1917:                s = c->session;
1.1       nicm     1918:
1.162     nicm     1919:                if (gettimeofday(&c->activity_time, NULL) != 0)
                   1920:                        fatal("gettimeofday failed");
                   1921:
                   1922:                tty_start_tty(&c->tty);
                   1923:                server_redraw_client(c);
                   1924:                recalculate_sizes();
1.184     nicm     1925:
                   1926:                if (s != NULL)
                   1927:                        session_update_activity(s, &c->activity_time);
1.162     nicm     1928:                break;
                   1929:        case MSG_SHELL:
                   1930:                if (datalen != 0)
                   1931:                        fatalx("bad MSG_SHELL size");
1.1       nicm     1932:
1.162     nicm     1933:                server_client_dispatch_shell(c);
                   1934:                break;
1.300     nicm     1935:        case MSG_WRITE_READY:
                   1936:                server_client_dispatch_write_ready(c, imsg);
                   1937:                break;
                   1938:        case MSG_READ:
                   1939:                server_client_dispatch_read_data(c, imsg);
                   1940:                break;
                   1941:        case MSG_READ_DONE:
                   1942:                server_client_dispatch_read_done(c, imsg);
                   1943:                break;
1.1       nicm     1944:        }
                   1945: }
                   1946:
1.194     nicm     1947: /* Callback when command is done. */
                   1948: static enum cmd_retval
1.195     nicm     1949: server_client_command_done(struct cmdq_item *item, __unused void *data)
1.194     nicm     1950: {
1.316     nicm     1951:        struct client   *c = cmdq_get_client(item);
1.194     nicm     1952:
                   1953:        if (~c->flags & CLIENT_ATTACHED)
                   1954:                c->flags |= CLIENT_EXIT;
1.314     nicm     1955:        else if (~c->flags & CLIENT_DETACHING)
                   1956:                tty_send_requests(&c->tty);
1.194     nicm     1957:        return (CMD_RETURN_NORMAL);
                   1958: }
                   1959:
1.1       nicm     1960: /* Handle command message. */
1.190     nicm     1961: static void
1.162     nicm     1962: server_client_dispatch_command(struct client *c, struct imsg *imsg)
1.1       nicm     1963: {
1.300     nicm     1964:        struct msg_command        data;
1.108     nicm     1965:        char                     *buf;
                   1966:        size_t                    len;
                   1967:        int                       argc;
                   1968:        char                    **argv, *cause;
1.285     nicm     1969:        struct cmd_parse_result  *pr;
1.246     nicm     1970:
                   1971:        if (c->flags & CLIENT_EXIT)
                   1972:                return;
1.108     nicm     1973:
                   1974:        if (imsg->hdr.len - IMSG_HEADER_SIZE < sizeof data)
                   1975:                fatalx("bad MSG_COMMAND size");
                   1976:        memcpy(&data, imsg->data, sizeof data);
                   1977:
1.124     nicm     1978:        buf = (char *)imsg->data + sizeof data;
1.108     nicm     1979:        len = imsg->hdr.len  - IMSG_HEADER_SIZE - sizeof data;
                   1980:        if (len > 0 && buf[len - 1] != '\0')
                   1981:                fatalx("bad MSG_COMMAND string");
                   1982:
                   1983:        argc = data.argc;
                   1984:        if (cmd_unpack_argv(buf, len, argc, &argv) != 0) {
1.194     nicm     1985:                cause = xstrdup("command too long");
1.1       nicm     1986:                goto error;
                   1987:        }
                   1988:
                   1989:        if (argc == 0) {
                   1990:                argc = 1;
                   1991:                argv = xcalloc(1, sizeof *argv);
                   1992:                *argv = xstrdup("new-session");
                   1993:        }
                   1994:
1.285     nicm     1995:        pr = cmd_parse_from_arguments(argc, argv, NULL);
                   1996:        switch (pr->status) {
                   1997:        case CMD_PARSE_EMPTY:
                   1998:                cause = xstrdup("empty command");
1.1       nicm     1999:                goto error;
1.285     nicm     2000:        case CMD_PARSE_ERROR:
                   2001:                cause = pr->error;
                   2002:                goto error;
                   2003:        case CMD_PARSE_SUCCESS:
                   2004:                break;
1.1       nicm     2005:        }
                   2006:        cmd_free_argv(argc, argv);
                   2007:
1.318     nicm     2008:        cmdq_append(c, cmdq_get_command(pr->cmdlist, NULL));
1.194     nicm     2009:        cmdq_append(c, cmdq_get_callback(server_client_command_done, NULL));
1.285     nicm     2010:
                   2011:        cmd_list_free(pr->cmdlist);
1.1       nicm     2012:        return;
                   2013:
                   2014: error:
1.285     nicm     2015:        cmd_free_argv(argc, argv);
                   2016:
1.284     nicm     2017:        cmdq_append(c, cmdq_get_error(cause));
                   2018:        free(cause);
1.88      nicm     2019:
1.36      nicm     2020:        c->flags |= CLIENT_EXIT;
1.1       nicm     2021: }
                   2022:
                   2023: /* Handle identify message. */
1.190     nicm     2024: static void
1.162     nicm     2025: server_client_dispatch_identify(struct client *c, struct imsg *imsg)
1.1       nicm     2026: {
1.165     nicm     2027:        const char      *data, *home;
1.232     nicm     2028:        size_t           datalen;
1.329     nicm     2029:        int              flags, feat;
1.216     nicm     2030:        char            *name;
1.109     nicm     2031:
                   2032:        if (c->flags & CLIENT_IDENTIFIED)
                   2033:                fatalx("out-of-order identify message");
                   2034:
                   2035:        data = imsg->data;
                   2036:        datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
                   2037:
                   2038:        switch (imsg->hdr.type) {
1.329     nicm     2039:        case MSG_IDENTIFY_FEATURES:
                   2040:                if (datalen != sizeof feat)
                   2041:                        fatalx("bad MSG_IDENTIFY_FEATURES size");
                   2042:                memcpy(&feat, data, sizeof feat);
                   2043:                c->term_features |= feat;
                   2044:                log_debug("client %p IDENTIFY_FEATURES %s", c,
                   2045:                    tty_get_features(feat));
                   2046:                break;
1.109     nicm     2047:        case MSG_IDENTIFY_FLAGS:
                   2048:                if (datalen != sizeof flags)
                   2049:                        fatalx("bad MSG_IDENTIFY_FLAGS size");
                   2050:                memcpy(&flags, data, sizeof flags);
                   2051:                c->flags |= flags;
1.158     nicm     2052:                log_debug("client %p IDENTIFY_FLAGS %#x", c, flags);
1.109     nicm     2053:                break;
                   2054:        case MSG_IDENTIFY_TERM:
1.110     nicm     2055:                if (datalen == 0 || data[datalen - 1] != '\0')
1.109     nicm     2056:                        fatalx("bad MSG_IDENTIFY_TERM string");
1.329     nicm     2057:                if (*data == '\0')
                   2058:                        c->term_name = xstrdup("unknown");
                   2059:                else
                   2060:                        c->term_name = xstrdup(data);
1.158     nicm     2061:                log_debug("client %p IDENTIFY_TERM %s", c, data);
1.109     nicm     2062:                break;
                   2063:        case MSG_IDENTIFY_TTYNAME:
1.110     nicm     2064:                if (datalen == 0 || data[datalen - 1] != '\0')
1.109     nicm     2065:                        fatalx("bad MSG_IDENTIFY_TTYNAME string");
                   2066:                c->ttyname = xstrdup(data);
1.158     nicm     2067:                log_debug("client %p IDENTIFY_TTYNAME %s", c, data);
1.109     nicm     2068:                break;
                   2069:        case MSG_IDENTIFY_CWD:
1.155     nicm     2070:                if (datalen == 0 || data[datalen - 1] != '\0')
                   2071:                        fatalx("bad MSG_IDENTIFY_CWD string");
1.165     nicm     2072:                if (access(data, X_OK) == 0)
                   2073:                        c->cwd = xstrdup(data);
                   2074:                else if ((home = find_home()) != NULL)
                   2075:                        c->cwd = xstrdup(home);
                   2076:                else
                   2077:                        c->cwd = xstrdup("/");
1.158     nicm     2078:                log_debug("client %p IDENTIFY_CWD %s", c, data);
1.109     nicm     2079:                break;
                   2080:        case MSG_IDENTIFY_STDIN:
                   2081:                if (datalen != 0)
                   2082:                        fatalx("bad MSG_IDENTIFY_STDIN size");
                   2083:                c->fd = imsg->fd;
1.158     nicm     2084:                log_debug("client %p IDENTIFY_STDIN %d", c, imsg->fd);
1.109     nicm     2085:                break;
                   2086:        case MSG_IDENTIFY_ENVIRON:
1.110     nicm     2087:                if (datalen == 0 || data[datalen - 1] != '\0')
1.109     nicm     2088:                        fatalx("bad MSG_IDENTIFY_ENVIRON string");
                   2089:                if (strchr(data, '=') != NULL)
1.312     nicm     2090:                        environ_put(c->environ, data, 0);
1.158     nicm     2091:                log_debug("client %p IDENTIFY_ENVIRON %s", c, data);
1.143     nicm     2092:                break;
                   2093:        case MSG_IDENTIFY_CLIENTPID:
                   2094:                if (datalen != sizeof c->pid)
                   2095:                        fatalx("bad MSG_IDENTIFY_CLIENTPID size");
                   2096:                memcpy(&c->pid, data, sizeof c->pid);
1.158     nicm     2097:                log_debug("client %p IDENTIFY_CLIENTPID %ld", c, (long)c->pid);
1.109     nicm     2098:                break;
                   2099:        default:
                   2100:                break;
                   2101:        }
                   2102:
                   2103:        if (imsg->hdr.type != MSG_IDENTIFY_DONE)
                   2104:                return;
                   2105:        c->flags |= CLIENT_IDENTIFIED;
1.75      nicm     2106:
1.216     nicm     2107:        if (*c->ttyname != '\0')
                   2108:                name = xstrdup(c->ttyname);
                   2109:        else
                   2110:                xasprintf(&name, "client-%ld", (long)c->pid);
                   2111:        c->name = name;
                   2112:        log_debug("client %p name is %s", c, c->name);
                   2113:
1.109     nicm     2114:        if (c->flags & CLIENT_CONTROL) {
1.300     nicm     2115:                close(c->fd);
                   2116:                c->fd = -1;
1.75      nicm     2117:
1.300     nicm     2118:                control_start(c);
1.75      nicm     2119:                c->tty.fd = -1;
1.288     nicm     2120:        } else if (c->fd != -1) {
1.329     nicm     2121:                if (tty_init(&c->tty, c, c->fd) != 0) {
1.288     nicm     2122:                        close(c->fd);
                   2123:                        c->fd = -1;
                   2124:                } else {
                   2125:                        tty_resize(&c->tty);
                   2126:                        c->flags |= CLIENT_TERMINAL;
                   2127:                }
1.75      nicm     2128:        }
1.1       nicm     2129:
1.288     nicm     2130:        /*
                   2131:         * If this is the first client that has finished identifying, load
                   2132:         * configuration files.
                   2133:         */
                   2134:        if ((~c->flags & CLIENT_EXIT) &&
                   2135:            !cfg_finished &&
                   2136:            c == TAILQ_FIRST(&clients) &&
                   2137:            TAILQ_NEXT(c, entry) == NULL)
                   2138:                start_cfg();
1.1       nicm     2139: }
                   2140:
                   2141: /* Handle shell message. */
1.190     nicm     2142: static void
1.162     nicm     2143: server_client_dispatch_shell(struct client *c)
1.1       nicm     2144: {
1.107     nicm     2145:        const char      *shell;
1.25      nicm     2146:
1.163     nicm     2147:        shell = options_get_string(global_s_options, "default-shell");
1.308     nicm     2148:        if (!checkshell(shell))
1.1       nicm     2149:                shell = _PATH_BSHELL;
1.240     nicm     2150:        proc_send(c->peer, MSG_SHELL, -1, shell, strlen(shell) + 1);
1.25      nicm     2151:
1.162     nicm     2152:        proc_kill_peer(c->peer);
1.169     nicm     2153: }
                   2154:
1.300     nicm     2155: /* Handle write ready message. */
1.169     nicm     2156: static void
1.300     nicm     2157: server_client_dispatch_write_ready(struct client *c, struct imsg *imsg)
1.169     nicm     2158: {
1.300     nicm     2159:        struct msg_write_ready  *msg = imsg->data;
                   2160:        size_t                   msglen = imsg->hdr.len - IMSG_HEADER_SIZE;
                   2161:        struct client_file       find, *cf;
                   2162:
                   2163:        if (msglen != sizeof *msg)
                   2164:                fatalx("bad MSG_WRITE_READY size");
                   2165:        find.stream = msg->stream;
                   2166:        if ((cf = RB_FIND(client_files, &c->files, &find)) == NULL)
                   2167:                return;
                   2168:        if (msg->error != 0) {
                   2169:                cf->error = msg->error;
                   2170:                file_fire_done(cf);
                   2171:        } else
                   2172:                file_push(cf);
1.169     nicm     2173: }
                   2174:
1.300     nicm     2175: /* Handle read data message. */
                   2176: static void
                   2177: server_client_dispatch_read_data(struct client *c, struct imsg *imsg)
1.169     nicm     2178: {
1.300     nicm     2179:        struct msg_read_data    *msg = imsg->data;
                   2180:        size_t                   msglen = imsg->hdr.len - IMSG_HEADER_SIZE;
                   2181:        struct client_file       find, *cf;
1.301     nicm     2182:        void                    *bdata = msg + 1;
                   2183:        size_t                   bsize = msglen - sizeof *msg;
1.169     nicm     2184:
1.301     nicm     2185:        if (msglen < sizeof *msg)
1.300     nicm     2186:                fatalx("bad MSG_READ_DATA size");
                   2187:        find.stream = msg->stream;
                   2188:        if ((cf = RB_FIND(client_files, &c->files, &find)) == NULL)
                   2189:                return;
1.169     nicm     2190:
1.300     nicm     2191:        log_debug("%s: file %d read %zu bytes", c->name, cf->stream, bsize);
                   2192:        if (cf->error == 0) {
                   2193:                if (evbuffer_add(cf->buffer, bdata, bsize) != 0) {
                   2194:                        cf->error = ENOMEM;
                   2195:                        file_fire_done(cf);
                   2196:                } else
                   2197:                        file_fire_read(cf);
1.169     nicm     2198:        }
                   2199: }
                   2200:
1.300     nicm     2201: /* Handle read done message. */
1.169     nicm     2202: static void
1.300     nicm     2203: server_client_dispatch_read_done(struct client *c, struct imsg *imsg)
1.169     nicm     2204: {
1.300     nicm     2205:        struct msg_read_done    *msg = imsg->data;
                   2206:        size_t                   msglen = imsg->hdr.len - IMSG_HEADER_SIZE;
                   2207:        struct client_file       find, *cf;
1.169     nicm     2208:
1.300     nicm     2209:        if (msglen != sizeof *msg)
                   2210:                fatalx("bad MSG_READ_DONE size");
                   2211:        find.stream = msg->stream;
                   2212:        if ((cf = RB_FIND(client_files, &c->files, &find)) == NULL)
1.169     nicm     2213:                return;
                   2214:
1.300     nicm     2215:        log_debug("%s: file %d read done", c->name, cf->stream);
                   2216:        cf->error = msg->error;
                   2217:        file_fire_done(cf);
1.213     nicm     2218: }
                   2219:
                   2220: /* Get client working directory. */
                   2221: const char *
1.250     nicm     2222: server_client_get_cwd(struct client *c, struct session *s)
1.213     nicm     2223: {
1.250     nicm     2224:        const char      *home;
1.213     nicm     2225:
1.265     nicm     2226:        if (!cfg_finished && cfg_client != NULL)
                   2227:                return (cfg_client->cwd);
1.213     nicm     2228:        if (c != NULL && c->session == NULL && c->cwd != NULL)
                   2229:                return (c->cwd);
1.250     nicm     2230:        if (s != NULL && s->cwd != NULL)
                   2231:                return (s->cwd);
1.213     nicm     2232:        if (c != NULL && (s = c->session) != NULL && s->cwd != NULL)
                   2233:                return (s->cwd);
1.250     nicm     2234:        if ((home = find_home()) != NULL)
                   2235:                return (home);
                   2236:        return ("/");
1.337     nicm     2237: }
                   2238:
                   2239: /* Set client flags. */
                   2240: void
                   2241: server_client_set_flags(struct client *c, const char *flags)
                   2242: {
                   2243:        char    *s, *copy, *next;
                   2244:        int      flag, not;
                   2245:
                   2246:        s = copy = xstrdup (flags);
                   2247:        while ((next = strsep(&s, ",")) != NULL) {
                   2248:                not = (*next == '!');
                   2249:                if (not)
                   2250:                        next++;
                   2251:
                   2252:                if (strcmp(next, "no-output") == 0)
                   2253:                        flag = CLIENT_CONTROL_NOOUTPUT;
                   2254:                else if (strcmp(next, "read-only") == 0)
                   2255:                        flag = CLIENT_READONLY;
                   2256:                else if (strcmp(next, "ignore-size") == 0)
                   2257:                        flag = CLIENT_IGNORESIZE;
1.341     nicm     2258:                else if (strcmp(next, "active-pane") == 0)
                   2259:                        flag = CLIENT_ACTIVEPANE;
1.337     nicm     2260:                else
                   2261:                        continue;
                   2262:
                   2263:                log_debug("client %s set flag %s", c->name, next);
                   2264:                if (not)
                   2265:                        c->flags &= ~flag;
                   2266:                else
                   2267:                        c->flags |= flag;
                   2268:        }
                   2269:        free(copy);
                   2270:
                   2271: }
                   2272:
1.340     nicm     2273: /* Get client flags. This is only flags useful to show to users. */
1.337     nicm     2274: const char *
                   2275: server_client_get_flags(struct client *c)
                   2276: {
                   2277:        static char s[256];
                   2278:
                   2279:        *s = '\0';
                   2280:        if (c->flags & CLIENT_ATTACHED)
                   2281:                strlcat(s, "attached,", sizeof s);
                   2282:        if (c->flags & CLIENT_CONTROL)
                   2283:                strlcat(s, "control-mode,", sizeof s);
                   2284:        if (c->flags & CLIENT_IGNORESIZE)
                   2285:                strlcat(s, "ignore-size,", sizeof s);
                   2286:        if (c->flags & CLIENT_CONTROL_NOOUTPUT)
                   2287:                strlcat(s, "no-output,", sizeof s);
                   2288:        if (c->flags & CLIENT_READONLY)
                   2289:                strlcat(s, "read-only,", sizeof s);
1.341     nicm     2290:        if (c->flags & CLIENT_ACTIVEPANE)
                   2291:                strlcat(s, "active-pane,", sizeof s);
1.337     nicm     2292:        if (c->flags & CLIENT_SUSPENDED)
                   2293:                strlcat(s, "suspended,", sizeof s);
                   2294:        if (c->flags & CLIENT_UTF8)
                   2295:                strlcat(s, "UTF-8,", sizeof s);
                   2296:        if (*s != '\0')
                   2297:                s[strlen(s) - 1] = '\0';
                   2298:        return (s);
1.341     nicm     2299: }
                   2300:
                   2301: /* Get client window. */
                   2302: static struct client_window *
                   2303: server_client_get_client_window(struct client *c, u_int id)
                   2304: {
                   2305:        struct client_window    cw = { .window = id };
                   2306:
                   2307:        return (RB_FIND(client_windows, &c->windows, &cw));
                   2308: }
                   2309:
                   2310: /* Get client active pane. */
                   2311: struct window_pane *
                   2312: server_client_get_pane(struct client *c)
                   2313: {
                   2314:        struct session          *s = c->session;
                   2315:        struct client_window    *cw;
                   2316:
                   2317:        if (s == NULL)
                   2318:                return (NULL);
                   2319:
                   2320:        if (~c->flags & CLIENT_ACTIVEPANE)
                   2321:                return (s->curw->window->active);
                   2322:        cw = server_client_get_client_window(c, s->curw->window->id);
                   2323:        if (cw == NULL)
                   2324:                return (s->curw->window->active);
                   2325:        return (cw->pane);
                   2326: }
                   2327:
                   2328: /* Set client active pane. */
                   2329: void
                   2330: server_client_set_pane(struct client *c, struct window_pane *wp)
                   2331: {
                   2332:        struct session          *s = c->session;
                   2333:        struct client_window    *cw;
                   2334:
                   2335:        if (s == NULL)
                   2336:                return;
                   2337:
                   2338:        cw = server_client_get_client_window(c, s->curw->window->id);
                   2339:        if (cw == NULL) {
                   2340:                cw = xcalloc(1, sizeof *cw);
                   2341:                cw->window = s->curw->window->id;
                   2342:                RB_INSERT(client_windows, &c->windows, cw);
                   2343:        }
                   2344:        cw->pane = wp;
                   2345:        log_debug("%s pane now %%%u", c->name, wp->id);
                   2346: }
                   2347:
                   2348: /* Remove pane from client lists. */
                   2349: void
                   2350: server_client_remove_pane(struct window_pane *wp)
                   2351: {
                   2352:        struct client           *c;
                   2353:        struct window           *w = wp->window;
                   2354:        struct client_window    *cw;
                   2355:
                   2356:        TAILQ_FOREACH(c, &clients, entry) {
                   2357:                cw = server_client_get_client_window(c, w->id);
                   2358:                if (cw != NULL && cw->pane == wp) {
                   2359:                        RB_REMOVE(client_windows, &c->windows, cw);
                   2360:                        free(cw);
                   2361:                }
                   2362:        }
1.1       nicm     2363: }