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Annotation of src/usr.bin/tmux/server-client.c, Revision 1.377

1.377   ! nicm        1: /* $OpenBSD: server-client.c,v 1.376 2021/07/21 08:06:36 nicm Exp $ */
1.1       nicm        2:
                      3: /*
1.181     nicm        4:  * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
1.1       nicm        5:  *
                      6:  * Permission to use, copy, modify, and distribute this software for any
                      7:  * purpose with or without fee is hereby granted, provided that the above
                      8:  * copyright notice and this permission notice appear in all copies.
                      9:  *
                     10:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     11:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     12:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     13:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     14:  * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
                     15:  * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
                     16:  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
                     17:  */
                     18:
                     19: #include <sys/types.h>
1.92      nicm       20: #include <sys/ioctl.h>
1.162     nicm       21: #include <sys/uio.h>
1.1       nicm       22:
1.114     benno      23: #include <errno.h>
1.12      nicm       24: #include <event.h>
1.1       nicm       25: #include <fcntl.h>
1.162     nicm       26: #include <imsg.h>
1.98      nicm       27: #include <paths.h>
                     28: #include <stdlib.h>
1.1       nicm       29: #include <string.h>
1.4       nicm       30: #include <time.h>
1.1       nicm       31: #include <unistd.h>
                     32:
                     33: #include "tmux.h"
                     34:
1.190     nicm       35: static void    server_client_free(int, short, void *);
1.344     nicm       36: static void    server_client_check_pane_focus(struct window_pane *);
                     37: static void    server_client_check_pane_resize(struct window_pane *);
1.345     nicm       38: static void    server_client_check_pane_buffer(struct window_pane *);
1.344     nicm       39: static void    server_client_check_window_resize(struct window *);
1.276     nicm       40: static key_code        server_client_check_mouse(struct client *, struct key_event *);
1.190     nicm       41: static void    server_client_repeat_timer(int, short, void *);
1.192     nicm       42: static void    server_client_click_timer(int, short, void *);
1.190     nicm       43: static void    server_client_check_exit(struct client *);
                     44: static void    server_client_check_redraw(struct client *);
1.366     nicm       45: static void    server_client_check_modes(struct client *);
1.190     nicm       46: static void    server_client_set_title(struct client *);
                     47: static void    server_client_reset_state(struct client *);
                     48: static int     server_client_assume_paste(struct session *);
1.373     nicm       49: static void    server_client_update_latest(struct client *);
1.190     nicm       50:
                     51: static void    server_client_dispatch(struct imsg *, void *);
                     52: static void    server_client_dispatch_command(struct client *, struct imsg *);
                     53: static void    server_client_dispatch_identify(struct client *, struct imsg *);
                     54: static void    server_client_dispatch_shell(struct client *);
1.233     nicm       55:
1.341     nicm       56: /* Compare client windows. */
                     57: static int
                     58: server_client_window_cmp(struct client_window *cw1,
                     59:     struct client_window *cw2)
                     60: {
                     61:        if (cw1->window < cw2->window)
                     62:                return (-1);
                     63:        if (cw1->window > cw2->window)
                     64:                return (1);
                     65:        return (0);
                     66: }
                     67: RB_GENERATE(client_windows, client_window, entry, server_client_window_cmp);
                     68:
1.233     nicm       69: /* Number of attached clients. */
                     70: u_int
                     71: server_client_how_many(void)
                     72: {
                     73:        struct client   *c;
                     74:        u_int            n;
                     75:
                     76:        n = 0;
                     77:        TAILQ_FOREACH(c, &clients, entry) {
1.352     nicm       78:                if (c->session != NULL && (~c->flags & CLIENT_UNATTACHEDFLAGS))
1.233     nicm       79:                        n++;
                     80:        }
                     81:        return (n);
                     82: }
1.140     nicm       83:
1.281     nicm       84: /* Overlay timer callback. */
1.214     nicm       85: static void
1.281     nicm       86: server_client_overlay_timer(__unused int fd, __unused short events, void *data)
1.214     nicm       87: {
1.281     nicm       88:        server_client_clear_overlay(data);
1.214     nicm       89: }
                     90:
1.281     nicm       91: /* Set an overlay on client. */
1.214     nicm       92: void
1.309     nicm       93: server_client_set_overlay(struct client *c, u_int delay,
                     94:     overlay_check_cb checkcb, overlay_mode_cb modecb,
                     95:     overlay_draw_cb drawcb, overlay_key_cb keycb, overlay_free_cb freecb,
1.376     nicm       96:     overlay_resize_cb resizecb, void *data)
1.214     nicm       97: {
                     98:        struct timeval  tv;
                     99:
1.282     nicm      100:        if (c->overlay_draw != NULL)
                    101:                server_client_clear_overlay(c);
                    102:
1.214     nicm      103:        tv.tv_sec = delay / 1000;
                    104:        tv.tv_usec = (delay % 1000) * 1000L;
                    105:
1.281     nicm      106:        if (event_initialized(&c->overlay_timer))
                    107:                evtimer_del(&c->overlay_timer);
                    108:        evtimer_set(&c->overlay_timer, server_client_overlay_timer, c);
1.242     nicm      109:        if (delay != 0)
1.281     nicm      110:                evtimer_add(&c->overlay_timer, &tv);
                    111:
1.309     nicm      112:        c->overlay_check = checkcb;
                    113:        c->overlay_mode = modecb;
1.281     nicm      114:        c->overlay_draw = drawcb;
                    115:        c->overlay_key = keycb;
                    116:        c->overlay_free = freecb;
1.376     nicm      117:        c->overlay_resize = resizecb;
1.281     nicm      118:        c->overlay_data = data;
1.214     nicm      119:
1.309     nicm      120:        c->tty.flags |= TTY_FREEZE;
                    121:        if (c->overlay_mode == NULL)
                    122:                c->tty.flags |= TTY_NOCURSOR;
1.214     nicm      123:        server_redraw_client(c);
                    124: }
                    125:
1.281     nicm      126: /* Clear overlay mode on client. */
1.309     nicm      127: void
1.281     nicm      128: server_client_clear_overlay(struct client *c)
1.214     nicm      129: {
1.281     nicm      130:        if (c->overlay_draw == NULL)
1.214     nicm      131:                return;
                    132:
1.281     nicm      133:        if (event_initialized(&c->overlay_timer))
                    134:                evtimer_del(&c->overlay_timer);
                    135:
                    136:        if (c->overlay_free != NULL)
                    137:                c->overlay_free(c);
                    138:
1.309     nicm      139:        c->overlay_check = NULL;
                    140:        c->overlay_mode = NULL;
1.281     nicm      141:        c->overlay_draw = NULL;
                    142:        c->overlay_key = NULL;
1.309     nicm      143:        c->overlay_free = NULL;
                    144:        c->overlay_data = NULL;
1.214     nicm      145:
                    146:        c->tty.flags &= ~(TTY_FREEZE|TTY_NOCURSOR);
                    147:        server_redraw_client(c);
                    148: }
                    149:
1.140     nicm      150: /* Check if this client is inside this server. */
                    151: int
                    152: server_client_check_nested(struct client *c)
                    153: {
                    154:        struct environ_entry    *envent;
                    155:        struct window_pane      *wp;
                    156:
1.164     nicm      157:        envent = environ_find(c->environ, "TMUX");
1.140     nicm      158:        if (envent == NULL || *envent->value == '\0')
                    159:                return (0);
                    160:
                    161:        RB_FOREACH(wp, window_pane_tree, &all_window_panes) {
1.216     nicm      162:                if (strcmp(wp->tty, c->ttyname) == 0)
1.140     nicm      163:                        return (1);
                    164:        }
                    165:        return (0);
                    166: }
1.1       nicm      167:
1.132     nicm      168: /* Set client key table. */
                    169: void
1.178     nicm      170: server_client_set_key_table(struct client *c, const char *name)
1.132     nicm      171: {
1.178     nicm      172:        if (name == NULL)
                    173:                name = server_client_get_key_table(c);
                    174:
1.132     nicm      175:        key_bindings_unref_table(c->keytable);
                    176:        c->keytable = key_bindings_get_table(name, 1);
                    177:        c->keytable->references++;
                    178: }
                    179:
1.178     nicm      180: /* Get default key table. */
                    181: const char *
                    182: server_client_get_key_table(struct client *c)
                    183: {
                    184:        struct session  *s = c->session;
                    185:        const char      *name;
                    186:
                    187:        if (s == NULL)
                    188:                return ("root");
                    189:
                    190:        name = options_get_string(s->options, "key-table");
                    191:        if (*name == '\0')
                    192:                return ("root");
                    193:        return (name);
                    194: }
                    195:
1.223     nicm      196: /* Is this table the default key table? */
                    197: static int
                    198: server_client_is_default_key_table(struct client *c, struct key_table *table)
1.191     nicm      199: {
1.223     nicm      200:        return (strcmp(table->name, server_client_get_key_table(c)) == 0);
1.191     nicm      201: }
                    202:
1.1       nicm      203: /* Create a new client. */
1.246     nicm      204: struct client *
1.1       nicm      205: server_client_create(int fd)
                    206: {
                    207:        struct client   *c;
                    208:
1.49      nicm      209:        setblocking(fd, 0);
1.1       nicm      210:
                    211:        c = xcalloc(1, sizeof *c);
1.141     nicm      212:        c->references = 1;
1.162     nicm      213:        c->peer = proc_add_peer(server_proc, fd, server_client_dispatch, c);
1.25      nicm      214:
1.10      nicm      215:        if (gettimeofday(&c->creation_time, NULL) != 0)
1.1       nicm      216:                fatal("gettimeofday failed");
1.11      nicm      217:        memcpy(&c->activity_time, &c->creation_time, sizeof c->activity_time);
1.111     nicm      218:
1.164     nicm      219:        c->environ = environ_create();
1.1       nicm      220:
1.146     nicm      221:        c->fd = -1;
1.351     nicm      222:        c->out_fd = -1;
1.145     nicm      223:
1.316     nicm      224:        c->queue = cmdq_new();
1.341     nicm      225:        RB_INIT(&c->windows);
1.345     nicm      226:        RB_INIT(&c->files);
1.94      nicm      227:
1.1       nicm      228:        c->tty.sx = 80;
                    229:        c->tty.sy = 24;
                    230:
1.271     nicm      231:        status_init(c);
1.93      nicm      232:        c->flags |= CLIENT_FOCUSED;
                    233:
1.132     nicm      234:        c->keytable = key_bindings_get_table("root", 1);
                    235:        c->keytable->references++;
                    236:
1.17      nicm      237:        evtimer_set(&c->repeat_timer, server_client_repeat_timer, c);
1.192     nicm      238:        evtimer_set(&c->click_timer, server_client_click_timer, c);
1.17      nicm      239:
1.135     nicm      240:        TAILQ_INSERT_TAIL(&clients, c, entry);
1.157     nicm      241:        log_debug("new client %p", c);
1.246     nicm      242:        return (c);
1.72      nicm      243: }
                    244:
                    245: /* Open client terminal if needed. */
                    246: int
1.119     nicm      247: server_client_open(struct client *c, char **cause)
1.72      nicm      248: {
1.339     nicm      249:        const char      *ttynam = _PATH_TTY;
                    250:
1.75      nicm      251:        if (c->flags & CLIENT_CONTROL)
                    252:                return (0);
1.120     nicm      253:
1.339     nicm      254:        if (strcmp(c->ttyname, ttynam) == 0||
                    255:            ((isatty(STDIN_FILENO) &&
                    256:            (ttynam = ttyname(STDIN_FILENO)) != NULL &&
                    257:            strcmp(c->ttyname, ttynam) == 0) ||
                    258:            (isatty(STDOUT_FILENO) &&
                    259:            (ttynam = ttyname(STDOUT_FILENO)) != NULL &&
                    260:            strcmp(c->ttyname, ttynam) == 0) ||
                    261:            (isatty(STDERR_FILENO) &&
                    262:            (ttynam = ttyname(STDERR_FILENO)) != NULL &&
                    263:            strcmp(c->ttyname, ttynam) == 0))) {
                    264:                xasprintf(cause, "can't use %s", c->ttyname);
1.120     nicm      265:                return (-1);
                    266:        }
1.75      nicm      267:
1.72      nicm      268:        if (!(c->flags & CLIENT_TERMINAL)) {
1.116     nicm      269:                *cause = xstrdup("not a terminal");
1.72      nicm      270:                return (-1);
                    271:        }
                    272:
1.119     nicm      273:        if (tty_open(&c->tty, cause) != 0)
1.72      nicm      274:                return (-1);
                    275:
                    276:        return (0);
1.1       nicm      277: }
                    278:
1.373     nicm      279: /* Lost an attached client. */
                    280: static void
                    281: server_client_attached_lost(struct client *c)
                    282: {
                    283:        struct session  *s = c->session;
                    284:        struct window   *w;
                    285:        struct client   *loop;
                    286:        struct client   *found;
                    287:
                    288:        log_debug("lost attached client %p", c);
                    289:
                    290:        /*
                    291:         * By this point the session in the client has been cleared so walk all
                    292:         * windows to find any with this client as the latest.
                    293:         */
                    294:        RB_FOREACH(w, windows, &windows) {
                    295:                if (w->latest != c)
                    296:                        continue;
                    297:
                    298:                found = NULL;
                    299:                TAILQ_FOREACH(loop, &clients, entry) {
                    300:                        s = loop->session;
                    301:                        if (loop == c || s == NULL || s->curw->window != w)
                    302:                                continue;
                    303:                        if (found == NULL ||
                    304:                            timercmp(&loop->activity_time, &found->activity_time,
                    305:                            >))
                    306:                                found = loop;
                    307:                }
                    308:                if (found != NULL)
                    309:                        server_client_update_latest(found);
                    310:        }
                    311: }
                    312:
1.1       nicm      313: /* Lost a client. */
                    314: void
                    315: server_client_lost(struct client *c)
                    316: {
1.340     nicm      317:        struct client_file      *cf, *cf1;
1.341     nicm      318:        struct client_window    *cw, *cw1;
1.1       nicm      319:
1.141     nicm      320:        c->flags |= CLIENT_DEAD;
                    321:
1.281     nicm      322:        server_client_clear_overlay(c);
1.141     nicm      323:        status_prompt_clear(c);
                    324:        status_message_clear(c);
                    325:
1.340     nicm      326:        RB_FOREACH_SAFE(cf, client_files, &c->files, cf1) {
1.300     nicm      327:                cf->error = EINTR;
                    328:                file_fire_done(cf);
                    329:        }
1.341     nicm      330:        RB_FOREACH_SAFE(cw, client_windows, &c->windows, cw1) {
                    331:                RB_REMOVE(client_windows, &c->windows, cw);
                    332:                free(cw);
                    333:        }
1.141     nicm      334:
1.135     nicm      335:        TAILQ_REMOVE(&clients, c, entry);
1.157     nicm      336:        log_debug("lost client %p", c);
1.1       nicm      337:
1.373     nicm      338:        if (c->flags & CLIENT_ATTACHED) {
                    339:                server_client_attached_lost(c);
1.371     nicm      340:                notify_client("client-detached", c);
1.373     nicm      341:        }
1.371     nicm      342:
1.349     nicm      343:        if (c->flags & CLIENT_CONTROL)
                    344:                control_stop(c);
1.1       nicm      345:        if (c->flags & CLIENT_TERMINAL)
                    346:                tty_free(&c->tty);
1.109     nicm      347:        free(c->ttyname);
1.333     nicm      348:
1.329     nicm      349:        free(c->term_name);
1.333     nicm      350:        free(c->term_type);
1.370     nicm      351:        tty_term_free_list(c->term_caps, c->term_ncaps);
1.1       nicm      352:
1.270     nicm      353:        status_free(c);
1.1       nicm      354:
1.77      nicm      355:        free(c->title);
1.165     nicm      356:        free((void *)c->cwd);
1.1       nicm      357:
1.17      nicm      358:        evtimer_del(&c->repeat_timer);
1.192     nicm      359:        evtimer_del(&c->click_timer);
1.17      nicm      360:
1.132     nicm      361:        key_bindings_unref_table(c->keytable);
                    362:
1.77      nicm      363:        free(c->message_string);
1.116     nicm      364:        if (event_initialized(&c->message_timer))
1.69      nicm      365:                evtimer_del(&c->message_timer);
1.1       nicm      366:
1.259     nicm      367:        free(c->prompt_saved);
1.77      nicm      368:        free(c->prompt_string);
                    369:        free(c->prompt_buffer);
1.61      nicm      370:
1.228     nicm      371:        format_lost_client(c);
1.164     nicm      372:        environ_free(c->environ);
1.1       nicm      373:
1.162     nicm      374:        proc_remove_peer(c->peer);
                    375:        c->peer = NULL;
1.13      nicm      376:
1.351     nicm      377:        if (c->out_fd != -1)
                    378:                close(c->out_fd);
1.348     nicm      379:        if (c->fd != -1) {
                    380:                close(c->fd);
                    381:                c->fd = -1;
                    382:        }
1.142     nicm      383:        server_client_unref(c);
1.71      nicm      384:
                    385:        server_add_accept(0); /* may be more file descriptors now */
1.1       nicm      386:
                    387:        recalculate_sizes();
1.41      nicm      388:        server_check_unattached();
1.19      nicm      389:        server_update_socket();
1.141     nicm      390: }
                    391:
                    392: /* Remove reference from a client. */
                    393: void
1.142     nicm      394: server_client_unref(struct client *c)
1.141     nicm      395: {
1.157     nicm      396:        log_debug("unref client %p (%d references)", c, c->references);
1.141     nicm      397:
                    398:        c->references--;
                    399:        if (c->references == 0)
                    400:                event_once(-1, EV_TIMEOUT, server_client_free, c, NULL);
                    401: }
                    402:
                    403: /* Free dead client. */
1.190     nicm      404: static void
1.170     nicm      405: server_client_free(__unused int fd, __unused short events, void *arg)
1.141     nicm      406: {
                    407:        struct client   *c = arg;
                    408:
1.157     nicm      409:        log_debug("free client %p (%d references)", c, c->references);
1.141     nicm      410:
1.316     nicm      411:        cmdq_free(c->queue);
1.194     nicm      412:
1.216     nicm      413:        if (c->references == 0) {
                    414:                free((void *)c->name);
1.141     nicm      415:                free(c);
1.216     nicm      416:        }
1.9       nicm      417: }
                    418:
1.220     nicm      419: /* Suspend a client. */
                    420: void
                    421: server_client_suspend(struct client *c)
                    422: {
1.232     nicm      423:        struct session  *s = c->session;
1.220     nicm      424:
1.352     nicm      425:        if (s == NULL || (c->flags & CLIENT_UNATTACHEDFLAGS))
1.220     nicm      426:                return;
                    427:
                    428:        tty_stop_tty(&c->tty);
                    429:        c->flags |= CLIENT_SUSPENDED;
                    430:        proc_send(c->peer, MSG_SUSPEND, -1, NULL, 0);
                    431: }
                    432:
1.174     nicm      433: /* Detach a client. */
                    434: void
                    435: server_client_detach(struct client *c, enum msgtype msgtype)
                    436: {
1.232     nicm      437:        struct session  *s = c->session;
1.174     nicm      438:
1.352     nicm      439:        if (s == NULL || (c->flags & CLIENT_UNATTACHEDFLAGS))
1.174     nicm      440:                return;
                    441:
1.352     nicm      442:        c->flags |= CLIENT_EXIT;
                    443:
                    444:        c->exit_type = CLIENT_EXIT_DETACH;
                    445:        c->exit_msgtype = msgtype;
                    446:        c->exit_session = xstrdup(s->name);
1.207     nicm      447: }
                    448:
1.208     nicm      449: /* Execute command to replace a client. */
1.207     nicm      450: void
                    451: server_client_exec(struct client *c, const char *cmd)
                    452: {
                    453:        struct session  *s = c->session;
1.208     nicm      454:        char            *msg;
                    455:        const char      *shell;
1.207     nicm      456:        size_t           cmdsize, shellsize;
                    457:
                    458:        if (*cmd == '\0')
                    459:                return;
                    460:        cmdsize = strlen(cmd) + 1;
                    461:
                    462:        if (s != NULL)
                    463:                shell = options_get_string(s->options, "default-shell");
                    464:        else
                    465:                shell = options_get_string(global_s_options, "default-shell");
1.308     nicm      466:        if (!checkshell(shell))
                    467:                shell = _PATH_BSHELL;
1.207     nicm      468:        shellsize = strlen(shell) + 1;
                    469:
                    470:        msg = xmalloc(cmdsize + shellsize);
                    471:        memcpy(msg, cmd, cmdsize);
                    472:        memcpy(msg + cmdsize, shell, shellsize);
                    473:
                    474:        proc_send(c->peer, MSG_EXEC, -1, msg, cmdsize + shellsize);
                    475:        free(msg);
1.174     nicm      476: }
                    477:
1.66      nicm      478: /* Check for mouse keys. */
1.190     nicm      479: static key_code
1.276     nicm      480: server_client_check_mouse(struct client *c, struct key_event *event)
1.66      nicm      481: {
1.276     nicm      482:        struct mouse_event      *m = &event->m;
1.192     nicm      483:        struct session          *s = c->session;
1.272     nicm      484:        struct winlink          *wl;
1.192     nicm      485:        struct window_pane      *wp;
1.261     nicm      486:        u_int                    x, y, b, sx, sy, px, py;
1.307     nicm      487:        int                      ignore = 0;
1.192     nicm      488:        key_code                 key;
                    489:        struct timeval           tv;
1.272     nicm      490:        struct style_range      *sr;
1.283     nicm      491:        enum { NOTYPE,
                    492:               MOVE,
                    493:               DOWN,
                    494:               UP,
                    495:               DRAG,
                    496:               WHEEL,
1.311     nicm      497:               SECOND,
1.283     nicm      498:               DOUBLE,
                    499:               TRIPLE } type = NOTYPE;
1.276     nicm      500:        enum { NOWHERE,
                    501:               PANE,
                    502:               STATUS,
                    503:               STATUS_LEFT,
                    504:               STATUS_RIGHT,
                    505:               STATUS_DEFAULT,
1.283     nicm      506:               BORDER } where = NOWHERE;
1.131     nicm      507:
1.261     nicm      508:        log_debug("%s mouse %02x at %u,%u (last %u,%u) (%d)", c->name, m->b,
                    509:            m->x, m->y, m->lx, m->ly, c->tty.mouse_drag_flag);
1.131     nicm      510:
                    511:        /* What type of event is this? */
1.306     nicm      512:        if (event->key == KEYC_DOUBLECLICK) {
                    513:                type = DOUBLE;
                    514:                x = m->x, y = m->y, b = m->b;
1.307     nicm      515:                ignore = 1;
1.306     nicm      516:                log_debug("double-click at %u,%u", x, y);
                    517:        } else if ((m->sgr_type != ' ' &&
1.209     nicm      518:            MOUSE_DRAG(m->sgr_b) &&
                    519:            MOUSE_BUTTONS(m->sgr_b) == 3) ||
                    520:            (m->sgr_type == ' ' &&
                    521:            MOUSE_DRAG(m->b) &&
                    522:            MOUSE_BUTTONS(m->b) == 3 &&
                    523:            MOUSE_BUTTONS(m->lb) == 3)) {
                    524:                type = MOVE;
                    525:                x = m->x, y = m->y, b = 0;
                    526:                log_debug("move at %u,%u", x, y);
                    527:        } else if (MOUSE_DRAG(m->b)) {
1.131     nicm      528:                type = DRAG;
                    529:                if (c->tty.mouse_drag_flag) {
                    530:                        x = m->x, y = m->y, b = m->b;
1.278     nicm      531:                        if (x == m->lx && y == m->ly)
                    532:                                return (KEYC_UNKNOWN);
1.131     nicm      533:                        log_debug("drag update at %u,%u", x, y);
                    534:                } else {
1.277     nicm      535:                        x = m->lx, y = m->ly, b = m->lb;
1.131     nicm      536:                        log_debug("drag start at %u,%u", x, y);
                    537:                }
                    538:        } else if (MOUSE_WHEEL(m->b)) {
                    539:                type = WHEEL;
                    540:                x = m->x, y = m->y, b = m->b;
                    541:                log_debug("wheel at %u,%u", x, y);
1.200     nicm      542:        } else if (MOUSE_RELEASE(m->b)) {
1.131     nicm      543:                type = UP;
                    544:                x = m->x, y = m->y, b = m->lb;
                    545:                log_debug("up at %u,%u", x, y);
                    546:        } else {
1.192     nicm      547:                if (c->flags & CLIENT_DOUBLECLICK) {
                    548:                        evtimer_del(&c->click_timer);
                    549:                        c->flags &= ~CLIENT_DOUBLECLICK;
                    550:                        if (m->b == c->click_button) {
1.311     nicm      551:                                type = SECOND;
                    552:                                x = m->x, y = m->y, b = m->b;
                    553:                                log_debug("second-click at %u,%u", x, y);
1.306     nicm      554:                                c->flags |= CLIENT_TRIPLECLICK;
1.192     nicm      555:                        }
                    556:                } else if (c->flags & CLIENT_TRIPLECLICK) {
                    557:                        evtimer_del(&c->click_timer);
                    558:                        c->flags &= ~CLIENT_TRIPLECLICK;
                    559:                        if (m->b == c->click_button) {
                    560:                                type = TRIPLE;
                    561:                                x = m->x, y = m->y, b = m->b;
                    562:                                log_debug("triple-click at %u,%u", x, y);
                    563:                                goto have_event;
                    564:                        }
1.311     nicm      565:                } else {
                    566:                        type = DOWN;
                    567:                        x = m->x, y = m->y, b = m->b;
                    568:                        log_debug("down at %u,%u", x, y);
1.307     nicm      569:                        c->flags |= CLIENT_DOUBLECLICK;
1.311     nicm      570:                }
1.192     nicm      571:
                    572:                if (KEYC_CLICK_TIMEOUT != 0) {
1.306     nicm      573:                        memcpy(&c->click_event, m, sizeof c->click_event);
1.192     nicm      574:                        c->click_button = m->b;
                    575:
1.312     nicm      576:                        log_debug("click timer started");
1.192     nicm      577:                        tv.tv_sec = KEYC_CLICK_TIMEOUT / 1000;
                    578:                        tv.tv_usec = (KEYC_CLICK_TIMEOUT % 1000) * 1000L;
                    579:                        evtimer_del(&c->click_timer);
                    580:                        evtimer_add(&c->click_timer, &tv);
                    581:                }
1.131     nicm      582:        }
1.192     nicm      583:
                    584: have_event:
1.131     nicm      585:        if (type == NOTYPE)
1.177     nicm      586:                return (KEYC_UNKNOWN);
1.131     nicm      587:
1.258     nicm      588:        /* Save the session. */
1.131     nicm      589:        m->s = s->id;
1.258     nicm      590:        m->w = -1;
1.307     nicm      591:        m->ignore = ignore;
1.131     nicm      592:
                    593:        /* Is this on the status line? */
                    594:        m->statusat = status_at_line(c);
1.292     nicm      595:        m->statuslines = status_line_size(c);
1.272     nicm      596:        if (m->statusat != -1 &&
                    597:            y >= (u_int)m->statusat &&
1.292     nicm      598:            y < m->statusat + m->statuslines) {
1.272     nicm      599:                sr = status_get_range(c, x, y - m->statusat);
1.274     nicm      600:                if (sr == NULL) {
                    601:                        where = STATUS_DEFAULT;
                    602:                } else {
                    603:                        switch (sr->type) {
                    604:                        case STYLE_RANGE_NONE:
1.273     nicm      605:                                return (KEYC_UNKNOWN);
1.274     nicm      606:                        case STYLE_RANGE_LEFT:
                    607:                                where = STATUS_LEFT;
                    608:                                break;
                    609:                        case STYLE_RANGE_RIGHT:
                    610:                                where = STATUS_RIGHT;
                    611:                                break;
                    612:                        case STYLE_RANGE_WINDOW:
1.298     nicm      613:                                wl = winlink_find_by_index(&s->windows,
                    614:                                    sr->argument);
1.274     nicm      615:                                if (wl == NULL)
                    616:                                        return (KEYC_UNKNOWN);
                    617:                                m->w = wl->window->id;
1.273     nicm      618:
1.274     nicm      619:                                where = STATUS;
                    620:                                break;
                    621:                        }
1.258     nicm      622:                }
                    623:        }
1.131     nicm      624:
                    625:        /* Not on status line. Adjust position and check for border or pane. */
                    626:        if (where == NOWHERE) {
1.261     nicm      627:                px = x;
1.292     nicm      628:                if (m->statusat == 0 && y >= m->statuslines)
                    629:                        py = y - m->statuslines;
1.131     nicm      630:                else if (m->statusat > 0 && y >= (u_int)m->statusat)
1.261     nicm      631:                        py = m->statusat - 1;
                    632:                else
                    633:                        py = y;
                    634:
                    635:                tty_window_offset(&c->tty, &m->ox, &m->oy, &sx, &sy);
                    636:                log_debug("mouse window @%u at %u,%u (%ux%u)",
                    637:                    s->curw->window->id, m->ox, m->oy, sx, sy);
                    638:                if (px > sx || py > sy)
                    639:                        return (KEYC_UNKNOWN);
                    640:                px = px + m->ox;
                    641:                py = py + m->oy;
1.131     nicm      642:
1.260     nicm      643:                /* Try the pane borders if not zoomed. */
                    644:                if (~s->curw->window->flags & WINDOW_ZOOMED) {
                    645:                        TAILQ_FOREACH(wp, &s->curw->window->panes, entry) {
1.261     nicm      646:                                if ((wp->xoff + wp->sx == px &&
                    647:                                    wp->yoff <= 1 + py &&
                    648:                                    wp->yoff + wp->sy >= py) ||
                    649:                                    (wp->yoff + wp->sy == py &&
                    650:                                    wp->xoff <= 1 + px &&
                    651:                                    wp->xoff + wp->sx >= px))
1.260     nicm      652:                                        break;
                    653:                        }
                    654:                        if (wp != NULL)
                    655:                                where = BORDER;
1.131     nicm      656:                }
1.260     nicm      657:
                    658:                /* Otherwise try inside the pane. */
                    659:                if (where == NOWHERE) {
1.261     nicm      660:                        wp = window_get_active_at(s->curw->window, px, py);
1.260     nicm      661:                        if (wp != NULL)
1.131     nicm      662:                                where = PANE;
1.315     nicm      663:                        else
                    664:                                return (KEYC_UNKNOWN);
1.131     nicm      665:                }
1.260     nicm      666:                if (where == PANE)
                    667:                        log_debug("mouse %u,%u on pane %%%u", x, y, wp->id);
                    668:                else if (where == BORDER)
                    669:                        log_debug("mouse on pane %%%u border", wp->id);
1.131     nicm      670:                m->wp = wp->id;
                    671:                m->w = wp->window->id;
                    672:        } else
                    673:                m->wp = -1;
                    674:
                    675:        /* Stop dragging if needed. */
1.200     nicm      676:        if (type != DRAG && type != WHEEL && c->tty.mouse_drag_flag) {
1.131     nicm      677:                if (c->tty.mouse_drag_release != NULL)
                    678:                        c->tty.mouse_drag_release(c, m);
                    679:
                    680:                c->tty.mouse_drag_update = NULL;
                    681:                c->tty.mouse_drag_release = NULL;
                    682:
1.182     nicm      683:                /*
1.183     nicm      684:                 * End a mouse drag by passing a MouseDragEnd key corresponding
                    685:                 * to the button that started the drag.
1.182     nicm      686:                 */
                    687:                switch (c->tty.mouse_drag_flag) {
                    688:                case 1:
                    689:                        if (where == PANE)
1.183     nicm      690:                                key = KEYC_MOUSEDRAGEND1_PANE;
1.182     nicm      691:                        if (where == STATUS)
1.183     nicm      692:                                key = KEYC_MOUSEDRAGEND1_STATUS;
1.258     nicm      693:                        if (where == STATUS_LEFT)
                    694:                                key = KEYC_MOUSEDRAGEND1_STATUS_LEFT;
                    695:                        if (where == STATUS_RIGHT)
                    696:                                key = KEYC_MOUSEDRAGEND1_STATUS_RIGHT;
1.274     nicm      697:                        if (where == STATUS_DEFAULT)
                    698:                                key = KEYC_MOUSEDRAGEND1_STATUS_DEFAULT;
1.182     nicm      699:                        if (where == BORDER)
1.183     nicm      700:                                key = KEYC_MOUSEDRAGEND1_BORDER;
1.182     nicm      701:                        break;
                    702:                case 2:
                    703:                        if (where == PANE)
1.183     nicm      704:                                key = KEYC_MOUSEDRAGEND2_PANE;
1.182     nicm      705:                        if (where == STATUS)
1.183     nicm      706:                                key = KEYC_MOUSEDRAGEND2_STATUS;
1.258     nicm      707:                        if (where == STATUS_LEFT)
                    708:                                key = KEYC_MOUSEDRAGEND2_STATUS_LEFT;
                    709:                        if (where == STATUS_RIGHT)
                    710:                                key = KEYC_MOUSEDRAGEND2_STATUS_RIGHT;
1.274     nicm      711:                        if (where == STATUS_DEFAULT)
                    712:                                key = KEYC_MOUSEDRAGEND2_STATUS_DEFAULT;
1.182     nicm      713:                        if (where == BORDER)
1.183     nicm      714:                                key = KEYC_MOUSEDRAGEND2_BORDER;
1.182     nicm      715:                        break;
                    716:                case 3:
                    717:                        if (where == PANE)
1.183     nicm      718:                                key = KEYC_MOUSEDRAGEND3_PANE;
1.182     nicm      719:                        if (where == STATUS)
1.183     nicm      720:                                key = KEYC_MOUSEDRAGEND3_STATUS;
1.258     nicm      721:                        if (where == STATUS_LEFT)
                    722:                                key = KEYC_MOUSEDRAGEND3_STATUS_LEFT;
                    723:                        if (where == STATUS_RIGHT)
                    724:                                key = KEYC_MOUSEDRAGEND3_STATUS_RIGHT;
1.274     nicm      725:                        if (where == STATUS_DEFAULT)
                    726:                                key = KEYC_MOUSEDRAGEND3_STATUS_DEFAULT;
1.182     nicm      727:                        if (where == BORDER)
1.183     nicm      728:                                key = KEYC_MOUSEDRAGEND3_BORDER;
1.182     nicm      729:                        break;
                    730:                default:
                    731:                        key = KEYC_MOUSE;
                    732:                        break;
                    733:                }
1.131     nicm      734:                c->tty.mouse_drag_flag = 0;
1.305     nicm      735:                goto out;
1.131     nicm      736:        }
                    737:
                    738:        /* Convert to a key binding. */
1.177     nicm      739:        key = KEYC_UNKNOWN;
1.131     nicm      740:        switch (type) {
                    741:        case NOTYPE:
                    742:                break;
1.209     nicm      743:        case MOVE:
                    744:                if (where == PANE)
                    745:                        key = KEYC_MOUSEMOVE_PANE;
                    746:                if (where == STATUS)
                    747:                        key = KEYC_MOUSEMOVE_STATUS;
1.274     nicm      748:                if (where == STATUS_LEFT)
                    749:                        key = KEYC_MOUSEMOVE_STATUS_LEFT;
                    750:                if (where == STATUS_RIGHT)
                    751:                        key = KEYC_MOUSEMOVE_STATUS_RIGHT;
                    752:                if (where == STATUS_DEFAULT)
                    753:                        key = KEYC_MOUSEMOVE_STATUS_DEFAULT;
1.209     nicm      754:                if (where == BORDER)
                    755:                        key = KEYC_MOUSEMOVE_BORDER;
                    756:                break;
1.131     nicm      757:        case DRAG:
1.204     nicm      758:                if (c->tty.mouse_drag_update != NULL)
                    759:                        key = KEYC_DRAGGING;
                    760:                else {
1.131     nicm      761:                        switch (MOUSE_BUTTONS(b)) {
                    762:                        case 0:
                    763:                                if (where == PANE)
                    764:                                        key = KEYC_MOUSEDRAG1_PANE;
                    765:                                if (where == STATUS)
                    766:                                        key = KEYC_MOUSEDRAG1_STATUS;
1.258     nicm      767:                                if (where == STATUS_LEFT)
                    768:                                        key = KEYC_MOUSEDRAG1_STATUS_LEFT;
                    769:                                if (where == STATUS_RIGHT)
                    770:                                        key = KEYC_MOUSEDRAG1_STATUS_RIGHT;
1.274     nicm      771:                                if (where == STATUS_DEFAULT)
                    772:                                        key = KEYC_MOUSEDRAG1_STATUS_DEFAULT;
1.131     nicm      773:                                if (where == BORDER)
                    774:                                        key = KEYC_MOUSEDRAG1_BORDER;
                    775:                                break;
                    776:                        case 1:
                    777:                                if (where == PANE)
                    778:                                        key = KEYC_MOUSEDRAG2_PANE;
                    779:                                if (where == STATUS)
                    780:                                        key = KEYC_MOUSEDRAG2_STATUS;
1.258     nicm      781:                                if (where == STATUS_LEFT)
                    782:                                        key = KEYC_MOUSEDRAG2_STATUS_LEFT;
                    783:                                if (where == STATUS_RIGHT)
                    784:                                        key = KEYC_MOUSEDRAG2_STATUS_RIGHT;
1.274     nicm      785:                                if (where == STATUS_DEFAULT)
                    786:                                        key = KEYC_MOUSEDRAG2_STATUS_DEFAULT;
1.131     nicm      787:                                if (where == BORDER)
                    788:                                        key = KEYC_MOUSEDRAG2_BORDER;
                    789:                                break;
                    790:                        case 2:
                    791:                                if (where == PANE)
                    792:                                        key = KEYC_MOUSEDRAG3_PANE;
                    793:                                if (where == STATUS)
                    794:                                        key = KEYC_MOUSEDRAG3_STATUS;
1.258     nicm      795:                                if (where == STATUS_LEFT)
                    796:                                        key = KEYC_MOUSEDRAG3_STATUS_LEFT;
                    797:                                if (where == STATUS_RIGHT)
                    798:                                        key = KEYC_MOUSEDRAG3_STATUS_RIGHT;
1.274     nicm      799:                                if (where == STATUS_DEFAULT)
                    800:                                        key = KEYC_MOUSEDRAG3_STATUS_DEFAULT;
1.131     nicm      801:                                if (where == BORDER)
                    802:                                        key = KEYC_MOUSEDRAG3_BORDER;
                    803:                                break;
                    804:                        }
                    805:                }
1.66      nicm      806:
1.182     nicm      807:                /*
                    808:                 * Begin a drag by setting the flag to a non-zero value that
                    809:                 * corresponds to the mouse button in use.
                    810:                 */
                    811:                c->tty.mouse_drag_flag = MOUSE_BUTTONS(b) + 1;
1.131     nicm      812:                break;
                    813:        case WHEEL:
                    814:                if (MOUSE_BUTTONS(b) == MOUSE_WHEEL_UP) {
                    815:                        if (where == PANE)
                    816:                                key = KEYC_WHEELUP_PANE;
                    817:                        if (where == STATUS)
                    818:                                key = KEYC_WHEELUP_STATUS;
1.258     nicm      819:                        if (where == STATUS_LEFT)
                    820:                                key = KEYC_WHEELUP_STATUS_LEFT;
                    821:                        if (where == STATUS_RIGHT)
                    822:                                key = KEYC_WHEELUP_STATUS_RIGHT;
1.274     nicm      823:                        if (where == STATUS_DEFAULT)
                    824:                                key = KEYC_WHEELUP_STATUS_DEFAULT;
1.131     nicm      825:                        if (where == BORDER)
                    826:                                key = KEYC_WHEELUP_BORDER;
                    827:                } else {
                    828:                        if (where == PANE)
                    829:                                key = KEYC_WHEELDOWN_PANE;
                    830:                        if (where == STATUS)
                    831:                                key = KEYC_WHEELDOWN_STATUS;
1.274     nicm      832:                        if (where == STATUS_LEFT)
                    833:                                key = KEYC_WHEELDOWN_STATUS_LEFT;
                    834:                        if (where == STATUS_RIGHT)
                    835:                                key = KEYC_WHEELDOWN_STATUS_RIGHT;
                    836:                        if (where == STATUS_DEFAULT)
                    837:                                key = KEYC_WHEELDOWN_STATUS_DEFAULT;
1.131     nicm      838:                        if (where == BORDER)
                    839:                                key = KEYC_WHEELDOWN_BORDER;
                    840:                }
                    841:                break;
                    842:        case UP:
                    843:                switch (MOUSE_BUTTONS(b)) {
                    844:                case 0:
                    845:                        if (where == PANE)
                    846:                                key = KEYC_MOUSEUP1_PANE;
                    847:                        if (where == STATUS)
                    848:                                key = KEYC_MOUSEUP1_STATUS;
1.258     nicm      849:                        if (where == STATUS_LEFT)
                    850:                                key = KEYC_MOUSEUP1_STATUS_LEFT;
                    851:                        if (where == STATUS_RIGHT)
                    852:                                key = KEYC_MOUSEUP1_STATUS_RIGHT;
1.274     nicm      853:                        if (where == STATUS_DEFAULT)
                    854:                                key = KEYC_MOUSEUP1_STATUS_DEFAULT;
1.131     nicm      855:                        if (where == BORDER)
                    856:                                key = KEYC_MOUSEUP1_BORDER;
                    857:                        break;
                    858:                case 1:
                    859:                        if (where == PANE)
                    860:                                key = KEYC_MOUSEUP2_PANE;
                    861:                        if (where == STATUS)
                    862:                                key = KEYC_MOUSEUP2_STATUS;
1.258     nicm      863:                        if (where == STATUS_LEFT)
                    864:                                key = KEYC_MOUSEUP2_STATUS_LEFT;
                    865:                        if (where == STATUS_RIGHT)
                    866:                                key = KEYC_MOUSEUP2_STATUS_RIGHT;
1.274     nicm      867:                        if (where == STATUS_DEFAULT)
                    868:                                key = KEYC_MOUSEUP2_STATUS_DEFAULT;
1.131     nicm      869:                        if (where == BORDER)
                    870:                                key = KEYC_MOUSEUP2_BORDER;
                    871:                        break;
                    872:                case 2:
                    873:                        if (where == PANE)
                    874:                                key = KEYC_MOUSEUP3_PANE;
                    875:                        if (where == STATUS)
                    876:                                key = KEYC_MOUSEUP3_STATUS;
1.258     nicm      877:                        if (where == STATUS_LEFT)
                    878:                                key = KEYC_MOUSEUP3_STATUS_LEFT;
                    879:                        if (where == STATUS_RIGHT)
                    880:                                key = KEYC_MOUSEUP3_STATUS_RIGHT;
1.274     nicm      881:                        if (where == STATUS_DEFAULT)
                    882:                                key = KEYC_MOUSEUP3_STATUS_DEFAULT;
1.131     nicm      883:                        if (where == BORDER)
                    884:                                key = KEYC_MOUSEUP3_BORDER;
                    885:                        break;
                    886:                }
                    887:                break;
                    888:        case DOWN:
                    889:                switch (MOUSE_BUTTONS(b)) {
                    890:                case 0:
                    891:                        if (where == PANE)
                    892:                                key = KEYC_MOUSEDOWN1_PANE;
                    893:                        if (where == STATUS)
                    894:                                key = KEYC_MOUSEDOWN1_STATUS;
1.258     nicm      895:                        if (where == STATUS_LEFT)
                    896:                                key = KEYC_MOUSEDOWN1_STATUS_LEFT;
                    897:                        if (where == STATUS_RIGHT)
                    898:                                key = KEYC_MOUSEDOWN1_STATUS_RIGHT;
1.274     nicm      899:                        if (where == STATUS_DEFAULT)
                    900:                                key = KEYC_MOUSEDOWN1_STATUS_DEFAULT;
1.131     nicm      901:                        if (where == BORDER)
                    902:                                key = KEYC_MOUSEDOWN1_BORDER;
                    903:                        break;
                    904:                case 1:
                    905:                        if (where == PANE)
                    906:                                key = KEYC_MOUSEDOWN2_PANE;
                    907:                        if (where == STATUS)
                    908:                                key = KEYC_MOUSEDOWN2_STATUS;
1.258     nicm      909:                        if (where == STATUS_LEFT)
                    910:                                key = KEYC_MOUSEDOWN2_STATUS_LEFT;
                    911:                        if (where == STATUS_RIGHT)
                    912:                                key = KEYC_MOUSEDOWN2_STATUS_RIGHT;
1.274     nicm      913:                        if (where == STATUS_DEFAULT)
                    914:                                key = KEYC_MOUSEDOWN2_STATUS_DEFAULT;
1.131     nicm      915:                        if (where == BORDER)
                    916:                                key = KEYC_MOUSEDOWN2_BORDER;
                    917:                        break;
                    918:                case 2:
                    919:                        if (where == PANE)
                    920:                                key = KEYC_MOUSEDOWN3_PANE;
                    921:                        if (where == STATUS)
                    922:                                key = KEYC_MOUSEDOWN3_STATUS;
1.258     nicm      923:                        if (where == STATUS_LEFT)
                    924:                                key = KEYC_MOUSEDOWN3_STATUS_LEFT;
                    925:                        if (where == STATUS_RIGHT)
                    926:                                key = KEYC_MOUSEDOWN3_STATUS_RIGHT;
1.274     nicm      927:                        if (where == STATUS_DEFAULT)
                    928:                                key = KEYC_MOUSEDOWN3_STATUS_DEFAULT;
1.131     nicm      929:                        if (where == BORDER)
                    930:                                key = KEYC_MOUSEDOWN3_BORDER;
1.311     nicm      931:                        break;
                    932:                }
                    933:                break;
                    934:        case SECOND:
                    935:                switch (MOUSE_BUTTONS(b)) {
                    936:                case 0:
                    937:                        if (where == PANE)
                    938:                                key = KEYC_SECONDCLICK1_PANE;
                    939:                        if (where == STATUS)
                    940:                                key = KEYC_SECONDCLICK1_STATUS;
                    941:                        if (where == STATUS_LEFT)
                    942:                                key = KEYC_SECONDCLICK1_STATUS_LEFT;
                    943:                        if (where == STATUS_RIGHT)
                    944:                                key = KEYC_SECONDCLICK1_STATUS_RIGHT;
                    945:                        if (where == STATUS_DEFAULT)
                    946:                                key = KEYC_SECONDCLICK1_STATUS_DEFAULT;
                    947:                        if (where == BORDER)
                    948:                                key = KEYC_SECONDCLICK1_BORDER;
                    949:                        break;
                    950:                case 1:
                    951:                        if (where == PANE)
                    952:                                key = KEYC_SECONDCLICK2_PANE;
                    953:                        if (where == STATUS)
                    954:                                key = KEYC_SECONDCLICK2_STATUS;
                    955:                        if (where == STATUS_LEFT)
                    956:                                key = KEYC_SECONDCLICK2_STATUS_LEFT;
                    957:                        if (where == STATUS_RIGHT)
                    958:                                key = KEYC_SECONDCLICK2_STATUS_RIGHT;
                    959:                        if (where == STATUS_DEFAULT)
                    960:                                key = KEYC_SECONDCLICK2_STATUS_DEFAULT;
                    961:                        if (where == BORDER)
                    962:                                key = KEYC_SECONDCLICK2_BORDER;
                    963:                        break;
                    964:                case 2:
                    965:                        if (where == PANE)
                    966:                                key = KEYC_SECONDCLICK3_PANE;
                    967:                        if (where == STATUS)
                    968:                                key = KEYC_SECONDCLICK3_STATUS;
                    969:                        if (where == STATUS_LEFT)
                    970:                                key = KEYC_SECONDCLICK3_STATUS_LEFT;
                    971:                        if (where == STATUS_RIGHT)
                    972:                                key = KEYC_SECONDCLICK3_STATUS_RIGHT;
                    973:                        if (where == STATUS_DEFAULT)
                    974:                                key = KEYC_SECONDCLICK3_STATUS_DEFAULT;
                    975:                        if (where == BORDER)
                    976:                                key = KEYC_SECONDCLICK3_BORDER;
1.131     nicm      977:                        break;
1.66      nicm      978:                }
1.131     nicm      979:                break;
1.192     nicm      980:        case DOUBLE:
                    981:                switch (MOUSE_BUTTONS(b)) {
                    982:                case 0:
                    983:                        if (where == PANE)
                    984:                                key = KEYC_DOUBLECLICK1_PANE;
                    985:                        if (where == STATUS)
                    986:                                key = KEYC_DOUBLECLICK1_STATUS;
1.258     nicm      987:                        if (where == STATUS_LEFT)
                    988:                                key = KEYC_DOUBLECLICK1_STATUS_LEFT;
                    989:                        if (where == STATUS_RIGHT)
                    990:                                key = KEYC_DOUBLECLICK1_STATUS_RIGHT;
1.274     nicm      991:                        if (where == STATUS_DEFAULT)
                    992:                                key = KEYC_DOUBLECLICK1_STATUS_DEFAULT;
1.192     nicm      993:                        if (where == BORDER)
                    994:                                key = KEYC_DOUBLECLICK1_BORDER;
                    995:                        break;
                    996:                case 1:
                    997:                        if (where == PANE)
                    998:                                key = KEYC_DOUBLECLICK2_PANE;
                    999:                        if (where == STATUS)
                   1000:                                key = KEYC_DOUBLECLICK2_STATUS;
1.258     nicm     1001:                        if (where == STATUS_LEFT)
                   1002:                                key = KEYC_DOUBLECLICK2_STATUS_LEFT;
                   1003:                        if (where == STATUS_RIGHT)
                   1004:                                key = KEYC_DOUBLECLICK2_STATUS_RIGHT;
1.274     nicm     1005:                        if (where == STATUS_DEFAULT)
                   1006:                                key = KEYC_DOUBLECLICK2_STATUS_DEFAULT;
1.192     nicm     1007:                        if (where == BORDER)
                   1008:                                key = KEYC_DOUBLECLICK2_BORDER;
                   1009:                        break;
                   1010:                case 2:
                   1011:                        if (where == PANE)
                   1012:                                key = KEYC_DOUBLECLICK3_PANE;
                   1013:                        if (where == STATUS)
                   1014:                                key = KEYC_DOUBLECLICK3_STATUS;
1.258     nicm     1015:                        if (where == STATUS_LEFT)
                   1016:                                key = KEYC_DOUBLECLICK3_STATUS_LEFT;
                   1017:                        if (where == STATUS_RIGHT)
                   1018:                                key = KEYC_DOUBLECLICK3_STATUS_RIGHT;
1.274     nicm     1019:                        if (where == STATUS_DEFAULT)
                   1020:                                key = KEYC_DOUBLECLICK3_STATUS_DEFAULT;
1.192     nicm     1021:                        if (where == BORDER)
                   1022:                                key = KEYC_DOUBLECLICK3_BORDER;
                   1023:                        break;
                   1024:                }
                   1025:                break;
                   1026:        case TRIPLE:
                   1027:                switch (MOUSE_BUTTONS(b)) {
                   1028:                case 0:
                   1029:                        if (where == PANE)
                   1030:                                key = KEYC_TRIPLECLICK1_PANE;
                   1031:                        if (where == STATUS)
                   1032:                                key = KEYC_TRIPLECLICK1_STATUS;
1.258     nicm     1033:                        if (where == STATUS_LEFT)
                   1034:                                key = KEYC_TRIPLECLICK1_STATUS_LEFT;
                   1035:                        if (where == STATUS_RIGHT)
                   1036:                                key = KEYC_TRIPLECLICK1_STATUS_RIGHT;
1.274     nicm     1037:                        if (where == STATUS_DEFAULT)
                   1038:                                key = KEYC_TRIPLECLICK1_STATUS_DEFAULT;
1.192     nicm     1039:                        if (where == BORDER)
                   1040:                                key = KEYC_TRIPLECLICK1_BORDER;
                   1041:                        break;
                   1042:                case 1:
                   1043:                        if (where == PANE)
                   1044:                                key = KEYC_TRIPLECLICK2_PANE;
                   1045:                        if (where == STATUS)
                   1046:                                key = KEYC_TRIPLECLICK2_STATUS;
1.258     nicm     1047:                        if (where == STATUS_LEFT)
                   1048:                                key = KEYC_TRIPLECLICK2_STATUS_LEFT;
                   1049:                        if (where == STATUS_RIGHT)
                   1050:                                key = KEYC_TRIPLECLICK2_STATUS_RIGHT;
1.274     nicm     1051:                        if (where == STATUS_DEFAULT)
                   1052:                                key = KEYC_TRIPLECLICK2_STATUS_DEFAULT;
1.192     nicm     1053:                        if (where == BORDER)
                   1054:                                key = KEYC_TRIPLECLICK2_BORDER;
                   1055:                        break;
                   1056:                case 2:
                   1057:                        if (where == PANE)
                   1058:                                key = KEYC_TRIPLECLICK3_PANE;
                   1059:                        if (where == STATUS)
                   1060:                                key = KEYC_TRIPLECLICK3_STATUS;
1.258     nicm     1061:                        if (where == STATUS_LEFT)
                   1062:                                key = KEYC_TRIPLECLICK3_STATUS_LEFT;
                   1063:                        if (where == STATUS_RIGHT)
                   1064:                                key = KEYC_TRIPLECLICK3_STATUS_RIGHT;
1.274     nicm     1065:                        if (where == STATUS_DEFAULT)
                   1066:                                key = KEYC_TRIPLECLICK3_STATUS_DEFAULT;
1.192     nicm     1067:                        if (where == BORDER)
                   1068:                                key = KEYC_TRIPLECLICK3_BORDER;
                   1069:                        break;
                   1070:                }
                   1071:                break;
1.66      nicm     1072:        }
1.177     nicm     1073:        if (key == KEYC_UNKNOWN)
                   1074:                return (KEYC_UNKNOWN);
1.66      nicm     1075:
1.305     nicm     1076: out:
1.131     nicm     1077:        /* Apply modifiers if any. */
                   1078:        if (b & MOUSE_MASK_META)
1.342     nicm     1079:                key |= KEYC_META;
1.131     nicm     1080:        if (b & MOUSE_MASK_CTRL)
                   1081:                key |= KEYC_CTRL;
                   1082:        if (b & MOUSE_MASK_SHIFT)
                   1083:                key |= KEYC_SHIFT;
1.66      nicm     1084:
1.305     nicm     1085:        if (log_get_level() != 0)
1.343     nicm     1086:                log_debug("mouse key is %s", key_string_lookup_key (key, 1));
1.131     nicm     1087:        return (key);
1.66      nicm     1088: }
                   1089:
1.82      nicm     1090: /* Is this fast enough to probably be a paste? */
1.190     nicm     1091: static int
1.82      nicm     1092: server_client_assume_paste(struct session *s)
                   1093: {
                   1094:        struct timeval  tv;
1.84      nicm     1095:        int             t;
1.82      nicm     1096:
1.163     nicm     1097:        if ((t = options_get_number(s->options, "assume-paste-time")) == 0)
1.83      nicm     1098:                return (0);
1.82      nicm     1099:
                   1100:        timersub(&s->activity_time, &s->last_activity_time, &tv);
1.171     nicm     1101:        if (tv.tv_sec == 0 && tv.tv_usec < t * 1000) {
                   1102:                log_debug("session %s pasting (flag %d)", s->name,
                   1103:                    !!(s->flags & SESSION_PASTING));
                   1104:                if (s->flags & SESSION_PASTING)
                   1105:                        return (1);
                   1106:                s->flags |= SESSION_PASTING;
                   1107:                return (0);
                   1108:        }
                   1109:        log_debug("session %s not pasting", s->name);
                   1110:        s->flags &= ~SESSION_PASTING;
1.83      nicm     1111:        return (0);
1.82      nicm     1112: }
                   1113:
1.295     nicm     1114: /* Has the latest client changed? */
                   1115: static void
                   1116: server_client_update_latest(struct client *c)
                   1117: {
                   1118:        struct window   *w;
                   1119:
                   1120:        if (c->session == NULL)
                   1121:                return;
                   1122:        w = c->session->curw->window;
                   1123:
                   1124:        if (w->latest == c)
                   1125:                return;
                   1126:        w->latest = c;
                   1127:
                   1128:        if (options_get_number(w->options, "window-size") == WINDOW_SIZE_LATEST)
1.355     nicm     1129:                recalculate_size(w, 0);
1.377   ! nicm     1130:
        !          1131:        notify_client("client-active", c);
1.295     nicm     1132: }
                   1133:
1.276     nicm     1134: /*
                   1135:  * Handle data key input from client. This owns and can modify the key event it
                   1136:  * is given and is responsible for freeing it.
                   1137:  */
1.280     nicm     1138: static enum cmd_retval
1.276     nicm     1139: server_client_key_callback(struct cmdq_item *item, void *data)
1.18      nicm     1140: {
1.316     nicm     1141:        struct client                   *c = cmdq_get_client(item);
1.276     nicm     1142:        struct key_event                *event = data;
                   1143:        key_code                         key = event->key;
                   1144:        struct mouse_event              *m = &event->m;
1.267     nicm     1145:        struct session                  *s = c->session;
                   1146:        struct winlink                  *wl;
                   1147:        struct window_pane              *wp;
                   1148:        struct window_mode_entry        *wme;
                   1149:        struct timeval                   tv;
                   1150:        struct key_table                *table, *first;
                   1151:        struct key_binding              *bd;
                   1152:        int                              xtimeout, flags;
                   1153:        struct cmd_find_state            fs;
                   1154:        key_code                         key0;
1.18      nicm     1155:
                   1156:        /* Check the client is good to accept input. */
1.303     nicm     1157:        if (s == NULL || (c->flags & CLIENT_UNATTACHEDFLAGS))
1.276     nicm     1158:                goto out;
1.264     nicm     1159:        wl = s->curw;
1.18      nicm     1160:
                   1161:        /* Update the activity timer. */
                   1162:        if (gettimeofday(&c->activity_time, NULL) != 0)
                   1163:                fatal("gettimeofday failed");
1.149     nicm     1164:        session_update_activity(s, &c->activity_time);
1.18      nicm     1165:
                   1166:        /* Check for mouse keys. */
1.204     nicm     1167:        m->valid = 0;
1.306     nicm     1168:        if (key == KEYC_MOUSE || key == KEYC_DOUBLECLICK) {
1.30      nicm     1169:                if (c->flags & CLIENT_READONLY)
1.276     nicm     1170:                        goto out;
                   1171:                key = server_client_check_mouse(c, event);
1.177     nicm     1172:                if (key == KEYC_UNKNOWN)
1.276     nicm     1173:                        goto out;
1.131     nicm     1174:
                   1175:                m->valid = 1;
                   1176:                m->key = key;
1.203     nicm     1177:
                   1178:                /*
1.204     nicm     1179:                 * Mouse drag is in progress, so fire the callback (now that
                   1180:                 * the mouse event is valid).
1.203     nicm     1181:                 */
1.305     nicm     1182:                if ((key & KEYC_MASK_KEY) == KEYC_DRAGGING) {
1.204     nicm     1183:                        c->tty.mouse_drag_update(c, m);
1.276     nicm     1184:                        goto out;
1.204     nicm     1185:                }
1.338     nicm     1186:                event->key = key;
1.276     nicm     1187:        }
1.18      nicm     1188:
1.202     nicm     1189:        /* Find affected pane. */
1.243     nicm     1190:        if (!KEYC_IS_MOUSE(key) || cmd_find_from_mouse(&fs, m, 0) != 0)
1.341     nicm     1191:                cmd_find_from_client(&fs, c, 0);
1.227     nicm     1192:        wp = fs.wp;
1.202     nicm     1193:
                   1194:        /* Forward mouse keys if disabled. */
1.206     nicm     1195:        if (KEYC_IS_MOUSE(key) && !options_get_number(s->options, "mouse"))
1.253     nicm     1196:                goto forward_key;
1.202     nicm     1197:
1.132     nicm     1198:        /* Treat everything as a regular key when pasting is detected. */
1.161     nicm     1199:        if (!KEYC_IS_MOUSE(key) && server_client_assume_paste(s))
1.253     nicm     1200:                goto forward_key;
1.18      nicm     1201:
1.191     nicm     1202:        /*
                   1203:         * Work out the current key table. If the pane is in a mode, use
                   1204:         * the mode table instead of the default key table.
                   1205:         */
1.223     nicm     1206:        if (server_client_is_default_key_table(c, c->keytable) &&
                   1207:            wp != NULL &&
1.267     nicm     1208:            (wme = TAILQ_FIRST(&wp->modes)) != NULL &&
                   1209:            wme->mode->key_table != NULL)
                   1210:                table = key_bindings_get_table(wme->mode->key_table(wme), 1);
1.223     nicm     1211:        else
1.191     nicm     1212:                table = c->keytable;
1.223     nicm     1213:        first = table;
1.191     nicm     1214:
1.253     nicm     1215: table_changed:
1.205     nicm     1216:        /*
                   1217:         * The prefix always takes precedence and forces a switch to the prefix
                   1218:         * table, unless we are already there.
                   1219:         */
1.343     nicm     1220:        key0 = (key & (KEYC_MASK_KEY|KEYC_MASK_MODIFIERS));
1.239     nicm     1221:        if ((key0 == (key_code)options_get_number(s->options, "prefix") ||
                   1222:            key0 == (key_code)options_get_number(s->options, "prefix2")) &&
1.205     nicm     1223:            strcmp(table->name, "prefix") != 0) {
                   1224:                server_client_set_key_table(c, "prefix");
                   1225:                server_status_client(c);
1.276     nicm     1226:                goto out;
1.205     nicm     1227:        }
1.238     nicm     1228:        flags = c->flags;
1.205     nicm     1229:
1.262     nicm     1230: try_again:
1.223     nicm     1231:        /* Log key table. */
                   1232:        if (wp == NULL)
                   1233:                log_debug("key table %s (no pane)", table->name);
                   1234:        else
                   1235:                log_debug("key table %s (pane %%%u)", table->name, wp->id);
1.225     nicm     1236:        if (c->flags & CLIENT_REPEAT)
                   1237:                log_debug("currently repeating");
1.223     nicm     1238:
1.132     nicm     1239:        /* Try to see if there is a key binding in the current table. */
1.254     nicm     1240:        bd = key_bindings_get(table, key0);
1.132     nicm     1241:        if (bd != NULL) {
                   1242:                /*
                   1243:                 * Key was matched in this table. If currently repeating but a
                   1244:                 * non-repeating binding was found, stop repeating and try
                   1245:                 * again in the root table.
                   1246:                 */
1.222     nicm     1247:                if ((c->flags & CLIENT_REPEAT) &&
                   1248:                    (~bd->flags & KEY_BINDING_REPEAT)) {
1.262     nicm     1249:                        log_debug("found in key table %s (not repeating)",
                   1250:                            table->name);
1.178     nicm     1251:                        server_client_set_key_table(c, NULL);
1.262     nicm     1252:                        first = table = c->keytable;
1.132     nicm     1253:                        c->flags &= ~CLIENT_REPEAT;
1.85      nicm     1254:                        server_status_client(c);
1.253     nicm     1255:                        goto table_changed;
1.18      nicm     1256:                }
1.223     nicm     1257:                log_debug("found in key table %s", table->name);
1.82      nicm     1258:
1.132     nicm     1259:                /*
                   1260:                 * Take a reference to this table to make sure the key binding
                   1261:                 * doesn't disappear.
                   1262:                 */
                   1263:                table->references++;
                   1264:
                   1265:                /*
                   1266:                 * If this is a repeating key, start the timer. Otherwise reset
                   1267:                 * the client back to the root table.
                   1268:                 */
1.163     nicm     1269:                xtimeout = options_get_number(s->options, "repeat-time");
1.222     nicm     1270:                if (xtimeout != 0 && (bd->flags & KEY_BINDING_REPEAT)) {
1.132     nicm     1271:                        c->flags |= CLIENT_REPEAT;
                   1272:
                   1273:                        tv.tv_sec = xtimeout / 1000;
                   1274:                        tv.tv_usec = (xtimeout % 1000) * 1000L;
                   1275:                        evtimer_del(&c->repeat_timer);
                   1276:                        evtimer_add(&c->repeat_timer, &tv);
                   1277:                } else {
1.18      nicm     1278:                        c->flags &= ~CLIENT_REPEAT;
1.178     nicm     1279:                        server_client_set_key_table(c, NULL);
1.18      nicm     1280:                }
1.132     nicm     1281:                server_status_client(c);
                   1282:
1.227     nicm     1283:                /* Execute the key binding. */
1.317     nicm     1284:                key_bindings_dispatch(bd, item, c, event, &fs);
1.132     nicm     1285:                key_bindings_unref_table(table);
1.276     nicm     1286:                goto out;
1.18      nicm     1287:        }
                   1288:
1.132     nicm     1289:        /*
1.253     nicm     1290:         * No match, try the ANY key.
                   1291:         */
                   1292:        if (key0 != KEYC_ANY) {
                   1293:                key0 = KEYC_ANY;
                   1294:                goto try_again;
                   1295:        }
                   1296:
                   1297:        /*
1.223     nicm     1298:         * No match in this table. If not in the root table or if repeating,
                   1299:         * switch the client back to the root table and try again.
1.132     nicm     1300:         */
1.223     nicm     1301:        log_debug("not found in key table %s", table->name);
                   1302:        if (!server_client_is_default_key_table(c, table) ||
                   1303:            (c->flags & CLIENT_REPEAT)) {
1.262     nicm     1304:                log_debug("trying in root table");
1.178     nicm     1305:                server_client_set_key_table(c, NULL);
1.262     nicm     1306:                table = c->keytable;
                   1307:                if (c->flags & CLIENT_REPEAT)
                   1308:                        first = table;
1.18      nicm     1309:                c->flags &= ~CLIENT_REPEAT;
1.132     nicm     1310:                server_status_client(c);
1.253     nicm     1311:                goto table_changed;
1.18      nicm     1312:        }
                   1313:
1.223     nicm     1314:        /*
                   1315:         * No match in the root table either. If this wasn't the first table
                   1316:         * tried, don't pass the key to the pane.
                   1317:         */
1.238     nicm     1318:        if (first != table && (~flags & CLIENT_REPEAT)) {
1.178     nicm     1319:                server_client_set_key_table(c, NULL);
1.132     nicm     1320:                server_status_client(c);
1.276     nicm     1321:                goto out;
1.161     nicm     1322:        }
                   1323:
1.253     nicm     1324: forward_key:
1.161     nicm     1325:        if (c->flags & CLIENT_READONLY)
1.276     nicm     1326:                goto out;
1.161     nicm     1327:        if (wp != NULL)
1.264     nicm     1328:                window_pane_key(wp, c, s, wl, key, m);
1.276     nicm     1329:
                   1330: out:
1.347     nicm     1331:        if (s != NULL && key != KEYC_FOCUS_OUT)
1.295     nicm     1332:                server_client_update_latest(c);
1.276     nicm     1333:        free(event);
                   1334:        return (CMD_RETURN_NORMAL);
1.280     nicm     1335: }
                   1336:
                   1337: /* Handle a key event. */
                   1338: int
                   1339: server_client_handle_key(struct client *c, struct key_event *event)
                   1340: {
                   1341:        struct session          *s = c->session;
                   1342:        struct cmdq_item        *item;
                   1343:
                   1344:        /* Check the client is good to accept input. */
1.303     nicm     1345:        if (s == NULL || (c->flags & CLIENT_UNATTACHEDFLAGS))
1.280     nicm     1346:                return (0);
                   1347:
                   1348:        /*
1.291     nicm     1349:         * Key presses in overlay mode and the command prompt are a special
                   1350:         * case. The queue might be blocked so they need to be processed
                   1351:         * immediately rather than queued.
1.280     nicm     1352:         */
1.291     nicm     1353:        if (~c->flags & CLIENT_READONLY) {
1.372     nicm     1354:                if (c->message_string != NULL) {
                   1355:                        if (c->message_ignore_keys)
                   1356:                                return (0);
                   1357:                        status_message_clear(c);
                   1358:                }
1.291     nicm     1359:                if (c->overlay_key != NULL) {
                   1360:                        switch (c->overlay_key(c, event)) {
                   1361:                        case 0:
                   1362:                                return (0);
                   1363:                        case 1:
                   1364:                                server_client_clear_overlay(c);
                   1365:                                return (0);
                   1366:                        }
1.290     nicm     1367:                }
1.293     nicm     1368:                server_client_clear_overlay(c);
1.335     nicm     1369:                if (c->prompt_string != NULL) {
                   1370:                        if (status_prompt_key(c, event->key) == 0)
                   1371:                                return (0);
                   1372:                }
1.280     nicm     1373:        }
                   1374:
                   1375:        /*
                   1376:         * Add the key to the queue so it happens after any commands queued by
                   1377:         * previous keys.
                   1378:         */
                   1379:        item = cmdq_get_callback(server_client_key_callback, event);
                   1380:        cmdq_append(c, item);
                   1381:        return (1);
1.18      nicm     1382: }
                   1383:
1.2       nicm     1384: /* Client functions that need to happen every loop. */
                   1385: void
                   1386: server_client_loop(void)
                   1387: {
                   1388:        struct client           *c;
                   1389:        struct window           *w;
                   1390:        struct window_pane      *wp;
1.344     nicm     1391:        int                      focus;
                   1392:
                   1393:        /* Check for window resize. This is done before redrawing. */
                   1394:        RB_FOREACH(w, windows, &windows)
                   1395:                server_client_check_window_resize(w);
1.2       nicm     1396:
1.344     nicm     1397:        /* Check clients. */
1.135     nicm     1398:        TAILQ_FOREACH(c, &clients, entry) {
1.36      nicm     1399:                server_client_check_exit(c);
                   1400:                if (c->session != NULL) {
1.366     nicm     1401:                        server_client_check_modes(c);
1.36      nicm     1402:                        server_client_check_redraw(c);
                   1403:                        server_client_reset_state(c);
                   1404:                }
1.2       nicm     1405:        }
                   1406:
                   1407:        /*
                   1408:         * Any windows will have been redrawn as part of clients, so clear
1.92      nicm     1409:         * their flags now. Also check pane focus and resize.
1.2       nicm     1410:         */
1.197     nicm     1411:        focus = options_get_number(global_options, "focus-events");
1.134     nicm     1412:        RB_FOREACH(w, windows, &windows) {
1.91      nicm     1413:                TAILQ_FOREACH(wp, &w->panes, entry) {
1.289     nicm     1414:                        if (wp->fd != -1) {
1.197     nicm     1415:                                if (focus)
1.344     nicm     1416:                                        server_client_check_pane_focus(wp);
                   1417:                                server_client_check_pane_resize(wp);
1.345     nicm     1418:                                server_client_check_pane_buffer(wp);
1.101     nicm     1419:                        }
1.326     nicm     1420:                        wp->flags &= ~PANE_REDRAW;
1.91      nicm     1421:                }
1.150     nicm     1422:                check_window_name(w);
1.2       nicm     1423:        }
1.92      nicm     1424: }
                   1425:
1.344     nicm     1426: /* Check if window needs to be resized. */
                   1427: static void
                   1428: server_client_check_window_resize(struct window *w)
                   1429: {
                   1430:        struct winlink  *wl;
                   1431:
                   1432:        if (~w->flags & WINDOW_RESIZE)
                   1433:                return;
                   1434:
                   1435:        TAILQ_FOREACH(wl, &w->winlinks, wentry) {
                   1436:                if (wl->session->attached != 0 && wl->session->curw == wl)
                   1437:                        break;
                   1438:        }
                   1439:        if (wl == NULL)
                   1440:                return;
                   1441:
                   1442:        log_debug("%s: resizing window @%u", __func__, w->id);
                   1443:        resize_window(w, w->new_sx, w->new_sy, w->new_xpixel, w->new_ypixel);
                   1444: }
                   1445:
1.356     nicm     1446: /* Resize timer event. */
1.188     nicm     1447: static void
1.356     nicm     1448: server_client_resize_timer(__unused int fd, __unused short events, void *data)
1.92      nicm     1449: {
1.356     nicm     1450:        struct window_pane      *wp = data;
1.92      nicm     1451:
1.356     nicm     1452:        log_debug("%s: %%%u resize timer expired", __func__, wp->id);
                   1453:        evtimer_del(&wp->resize_timer);
1.188     nicm     1454: }
                   1455:
1.374     nicm     1456: /* Check if pane should be resized. */
1.294     nicm     1457: static void
1.374     nicm     1458: server_client_check_pane_resize(struct window_pane *wp)
1.294     nicm     1459: {
1.374     nicm     1460:        struct window_pane_resize       *r;
                   1461:        struct window_pane_resize       *r1;
                   1462:        struct window_pane_resize       *first;
                   1463:        struct window_pane_resize       *last;
                   1464:        struct timeval                   tv = { .tv_usec = 250000 };
1.294     nicm     1465:
1.374     nicm     1466:        if (TAILQ_EMPTY(&wp->resize_queue))
                   1467:                return;
1.294     nicm     1468:
1.356     nicm     1469:        if (!event_initialized(&wp->resize_timer))
                   1470:                evtimer_set(&wp->resize_timer, server_client_resize_timer, wp);
1.374     nicm     1471:        if (evtimer_pending(&wp->resize_timer, NULL))
                   1472:                return;
1.356     nicm     1473:
                   1474:        log_debug("%s: %%%u needs to be resized", __func__, wp->id);
1.374     nicm     1475:        TAILQ_FOREACH(r, &wp->resize_queue, entry) {
                   1476:                log_debug("queued resize: %ux%u -> %ux%u", r->osx, r->osy,
                   1477:                    r->sx, r->sy);
1.356     nicm     1478:        }
1.188     nicm     1479:
1.374     nicm     1480:        /*
                   1481:         * There are three cases that matter:
                   1482:         *
                   1483:         * - Only one resize. It can just be applied.
                   1484:         *
                   1485:         * - Multiple resizes and the ending size is different from the
                   1486:         *   starting size. We can discard all resizes except the most recent.
                   1487:         *
                   1488:         * - Multiple resizes and the ending size is the same as the starting
                   1489:         *   size. We must resize at least twice to force the application to
                   1490:         *   redraw. So apply the first and leave the last on the queue for
                   1491:         *   next time.
                   1492:         */
                   1493:        first = TAILQ_FIRST(&wp->resize_queue);
                   1494:        last = TAILQ_LAST(&wp->resize_queue, window_pane_resizes);
                   1495:        if (first == last) {
                   1496:                /* Only one resize. */
                   1497:                window_pane_send_resize(wp, first->sx, first->sy);
                   1498:                TAILQ_REMOVE(&wp->resize_queue, first, entry);
                   1499:                free(first);
                   1500:        } else if (last->sx != first->osx || last->sy != first->osy) {
                   1501:                /* Multiple resizes ending up with a different size. */
                   1502:                window_pane_send_resize(wp, last->sx, last->sy);
                   1503:                TAILQ_FOREACH_SAFE(r, &wp->resize_queue, entry, r1) {
                   1504:                        TAILQ_REMOVE(&wp->resize_queue, r, entry);
                   1505:                        free(r);
                   1506:                }
1.356     nicm     1507:        } else {
                   1508:                /*
1.374     nicm     1509:                 * Multiple resizes ending up with the same size. There will
                   1510:                 * not be more than one to the same size in succession so we
                   1511:                 * can just use the last-but-one on the list and leave the last
                   1512:                 * for later. We reduce the time until the next check to avoid
                   1513:                 * a long delay between the resizes.
1.356     nicm     1514:                 */
1.374     nicm     1515:                r = TAILQ_PREV(last, window_pane_resizes, entry);
                   1516:                window_pane_send_resize(wp, r->sx, r->sy);
                   1517:                TAILQ_FOREACH_SAFE(r, &wp->resize_queue, entry, r1) {
                   1518:                        if (r == last)
                   1519:                                break;
                   1520:                        TAILQ_REMOVE(&wp->resize_queue, r, entry);
                   1521:                        free(r);
1.356     nicm     1522:                }
1.374     nicm     1523:                tv.tv_usec = 10000;
1.356     nicm     1524:        }
1.374     nicm     1525:        evtimer_add(&wp->resize_timer, &tv);
1.345     nicm     1526: }
1.374     nicm     1527:
1.345     nicm     1528:
                   1529: /* Check pane buffer size. */
                   1530: static void
                   1531: server_client_check_pane_buffer(struct window_pane *wp)
                   1532: {
                   1533:        struct evbuffer                 *evb = wp->event->input;
                   1534:        size_t                           minimum;
                   1535:        struct client                   *c;
1.346     nicm     1536:        struct window_pane_offset       *wpo;
                   1537:        int                              off = 1, flag;
                   1538:        u_int                            attached_clients = 0;
1.353     nicm     1539:        size_t                           new_size;
1.345     nicm     1540:
                   1541:        /*
1.352     nicm     1542:         * Work out the minimum used size. This is the most that can be removed
                   1543:         * from the buffer.
1.345     nicm     1544:         */
1.352     nicm     1545:        minimum = wp->offset.used;
                   1546:        if (wp->pipe_fd != -1 && wp->pipe_offset.used < minimum)
                   1547:                minimum = wp->pipe_offset.used;
1.345     nicm     1548:        TAILQ_FOREACH(c, &clients, entry) {
                   1549:                if (c->session == NULL)
                   1550:                        continue;
1.346     nicm     1551:                attached_clients++;
                   1552:
                   1553:                if (~c->flags & CLIENT_CONTROL) {
1.345     nicm     1554:                        off = 0;
                   1555:                        continue;
                   1556:                }
1.346     nicm     1557:                wpo = control_pane_offset(c, wp, &flag);
                   1558:                if (wpo == NULL) {
1.345     nicm     1559:                        off = 0;
1.346     nicm     1560:                        continue;
                   1561:                }
                   1562:                if (!flag)
                   1563:                        off = 0;
                   1564:
1.353     nicm     1565:                window_pane_get_new_data(wp, wpo, &new_size);
                   1566:                log_debug("%s: %s has %zu bytes used and %zu left for %%%u",
                   1567:                    __func__, c->name, wpo->used - wp->base_offset, new_size,
                   1568:                    wp->id);
                   1569:                if (wpo->used < minimum)
1.352     nicm     1570:                        minimum = wpo->used;
1.345     nicm     1571:        }
1.346     nicm     1572:        if (attached_clients == 0)
                   1573:                off = 0;
1.345     nicm     1574:        minimum -= wp->base_offset;
                   1575:        if (minimum == 0)
                   1576:                goto out;
                   1577:
                   1578:        /* Drain the buffer. */
1.352     nicm     1579:        log_debug("%s: %%%u has %zu minimum (of %zu) bytes used", __func__,
                   1580:            wp->id, minimum, EVBUFFER_LENGTH(evb));
1.345     nicm     1581:        evbuffer_drain(evb, minimum);
                   1582:
                   1583:        /*
                   1584:         * Adjust the base offset. If it would roll over, all the offsets into
                   1585:         * the buffer need to be adjusted.
                   1586:         */
                   1587:        if (wp->base_offset > SIZE_MAX - minimum) {
                   1588:                log_debug("%s: %%%u base offset has wrapped", __func__, wp->id);
                   1589:                wp->offset.used -= wp->base_offset;
1.352     nicm     1590:                if (wp->pipe_fd != -1)
1.345     nicm     1591:                        wp->pipe_offset.used -= wp->base_offset;
                   1592:                TAILQ_FOREACH(c, &clients, entry) {
                   1593:                        if (c->session == NULL || (~c->flags & CLIENT_CONTROL))
                   1594:                                continue;
1.346     nicm     1595:                        wpo = control_pane_offset(c, wp, &flag);
1.352     nicm     1596:                        if (wpo != NULL && !flag)
1.346     nicm     1597:                                wpo->used -= wp->base_offset;
1.345     nicm     1598:                }
                   1599:                wp->base_offset = minimum;
                   1600:        } else
                   1601:                wp->base_offset += minimum;
                   1602:
                   1603: out:
                   1604:        /*
                   1605:         * If there is data remaining, and there are no clients able to consume
1.351     nicm     1606:         * it, do not read any more. This is true when there are attached
                   1607:         * clients, all of which are control clients which are not able to
                   1608:         * accept any more data.
1.345     nicm     1609:         */
1.352     nicm     1610:        log_debug("%s: pane %%%u is %s", __func__, wp->id, off ? "off" : "on");
1.345     nicm     1611:        if (off)
                   1612:                bufferevent_disable(wp->event, EV_READ);
                   1613:        else
                   1614:                bufferevent_enable(wp->event, EV_READ);
1.91      nicm     1615: }
                   1616:
                   1617: /* Check whether pane should be focused. */
1.190     nicm     1618: static void
1.344     nicm     1619: server_client_check_pane_focus(struct window_pane *wp)
1.91      nicm     1620: {
1.93      nicm     1621:        struct client   *c;
1.102     nicm     1622:        int              push;
                   1623:
                   1624:        /* Do we need to push the focus state? */
                   1625:        push = wp->flags & PANE_FOCUSPUSH;
                   1626:        wp->flags &= ~PANE_FOCUSPUSH;
1.91      nicm     1627:
                   1628:        /* If we're not the active pane in our window, we're not focused. */
                   1629:        if (wp->window->active != wp)
                   1630:                goto not_focused;
                   1631:
                   1632:        /*
1.93      nicm     1633:         * If our window is the current window in any focused clients with an
                   1634:         * attached session, we're focused.
1.91      nicm     1635:         */
1.135     nicm     1636:        TAILQ_FOREACH(c, &clients, entry) {
                   1637:                if (c->session == NULL || !(c->flags & CLIENT_FOCUSED))
1.91      nicm     1638:                        continue;
1.255     nicm     1639:                if (c->session->attached == 0)
1.93      nicm     1640:                        continue;
                   1641:
                   1642:                if (c->session->curw->window == wp->window)
1.91      nicm     1643:                        goto focused;
                   1644:        }
                   1645:
                   1646: not_focused:
1.251     nicm     1647:        if (push || (wp->flags & PANE_FOCUSED)) {
                   1648:                if (wp->base.mode & MODE_FOCUSON)
                   1649:                        bufferevent_write(wp->event, "\033[O", 3);
                   1650:                notify_pane("pane-focus-out", wp);
                   1651:        }
1.91      nicm     1652:        wp->flags &= ~PANE_FOCUSED;
                   1653:        return;
                   1654:
                   1655: focused:
1.251     nicm     1656:        if (push || !(wp->flags & PANE_FOCUSED)) {
                   1657:                if (wp->base.mode & MODE_FOCUSON)
                   1658:                        bufferevent_write(wp->event, "\033[I", 3);
                   1659:                notify_pane("pane-focus-in", wp);
1.275     nicm     1660:                session_update_activity(c->session, NULL);
1.251     nicm     1661:        }
1.91      nicm     1662:        wp->flags |= PANE_FOCUSED;
1.2       nicm     1663: }
                   1664:
1.18      nicm     1665: /*
                   1666:  * Update cursor position and mode settings. The scroll region and attributes
                   1667:  * are cleared when idle (waiting for an event) as this is the most likely time
                   1668:  * a user may interrupt tmux, for example with ~^Z in ssh(1). This is a
                   1669:  * compromise between excessive resets and likelihood of an interrupt.
                   1670:  *
                   1671:  * tty_region/tty_reset/tty_update_mode already take care of not resetting
                   1672:  * things that are already in their default state.
                   1673:  */
1.190     nicm     1674: static void
1.18      nicm     1675: server_client_reset_state(struct client *c)
1.1       nicm     1676: {
1.332     nicm     1677:        struct tty              *tty = &c->tty;
1.18      nicm     1678:        struct window           *w = c->session->curw->window;
1.341     nicm     1679:        struct window_pane      *wp = server_client_get_pane(c), *loop;
1.336     nicm     1680:        struct screen           *s = NULL;
1.163     nicm     1681:        struct options          *oo = c->session->options;
1.336     nicm     1682:        int                      mode = 0, cursor, flags;
1.261     nicm     1683:        u_int                    cx = 0, cy = 0, ox, oy, sx, sy;
1.60      nicm     1684:
1.186     nicm     1685:        if (c->flags & (CLIENT_CONTROL|CLIENT_SUSPENDED))
1.86      nicm     1686:                return;
                   1687:
1.332     nicm     1688:        /* Disable the block flag. */
                   1689:        flags = (tty->flags & TTY_BLOCK);
                   1690:        tty->flags &= ~TTY_BLOCK;
                   1691:
1.309     nicm     1692:        /* Get mode from overlay if any, else from screen. */
                   1693:        if (c->overlay_draw != NULL) {
1.336     nicm     1694:                if (c->overlay_mode != NULL)
                   1695:                        s = c->overlay_mode(c, &cx, &cy);
                   1696:        } else
1.309     nicm     1697:                s = wp->screen;
1.336     nicm     1698:        if (s != NULL)
1.309     nicm     1699:                mode = s->mode;
1.375     nicm     1700:        if (log_get_level() != 0) {
                   1701:                log_debug("%s: client %s mode %s", __func__, c->name,
                   1702:                    screen_mode_to_string(mode));
                   1703:        }
1.309     nicm     1704:
                   1705:        /* Reset region and margin. */
1.332     nicm     1706:        tty_region_off(tty);
                   1707:        tty_margin_off(tty);
1.1       nicm     1708:
1.261     nicm     1709:        /* Move cursor to pane cursor and offset. */
1.309     nicm     1710:        if (c->overlay_draw == NULL) {
                   1711:                cursor = 0;
1.332     nicm     1712:                tty_window_offset(tty, &ox, &oy, &sx, &sy);
1.309     nicm     1713:                if (wp->xoff + s->cx >= ox && wp->xoff + s->cx <= ox + sx &&
                   1714:                    wp->yoff + s->cy >= oy && wp->yoff + s->cy <= oy + sy) {
                   1715:                        cursor = 1;
1.261     nicm     1716:
1.309     nicm     1717:                        cx = wp->xoff + s->cx - ox;
                   1718:                        cy = wp->yoff + s->cy - oy;
1.261     nicm     1719:
1.309     nicm     1720:                        if (status_at_line(c) == 0)
                   1721:                                cy += status_line_size(c);
                   1722:                }
                   1723:                if (!cursor)
                   1724:                        mode &= ~MODE_CURSOR;
1.261     nicm     1725:        }
1.332     nicm     1726:        log_debug("%s: cursor to %u,%u", __func__, cx, cy);
                   1727:        tty_cursor(tty, cx, cy);
1.1       nicm     1728:
1.50      nicm     1729:        /*
1.131     nicm     1730:         * Set mouse mode if requested. To support dragging, always use button
                   1731:         * mode.
1.57      nicm     1732:         */
1.209     nicm     1733:        if (options_get_number(oo, "mouse")) {
1.309     nicm     1734:                if (c->overlay_draw == NULL) {
1.363     nicm     1735:                        mode &= ~ALL_MOUSE_MODES;
1.309     nicm     1736:                        TAILQ_FOREACH(loop, &w->panes, entry) {
                   1737:                                if (loop->screen->mode & MODE_MOUSE_ALL)
                   1738:                                        mode |= MODE_MOUSE_ALL;
                   1739:                        }
1.209     nicm     1740:                }
                   1741:                if (~mode & MODE_MOUSE_ALL)
                   1742:                        mode |= MODE_MOUSE_BUTTON;
                   1743:        }
1.215     nicm     1744:
                   1745:        /* Clear bracketed paste mode if at the prompt. */
1.309     nicm     1746:        if (c->overlay_draw == NULL && c->prompt_string != NULL)
1.215     nicm     1747:                mode &= ~MODE_BRACKETPASTE;
1.48      nicm     1748:
                   1749:        /* Set the terminal mode and reset attributes. */
1.332     nicm     1750:        tty_update_mode(tty, mode, s);
                   1751:        tty_reset(tty);
1.330     nicm     1752:
1.332     nicm     1753:        /* All writing must be done, send a sync end (if it was started). */
                   1754:        tty_sync_end(tty);
                   1755:        tty->flags |= flags;
1.17      nicm     1756: }
                   1757:
                   1758: /* Repeat time callback. */
1.190     nicm     1759: static void
1.170     nicm     1760: server_client_repeat_timer(__unused int fd, __unused short events, void *data)
1.17      nicm     1761: {
                   1762:        struct client   *c = data;
                   1763:
1.85      nicm     1764:        if (c->flags & CLIENT_REPEAT) {
1.178     nicm     1765:                server_client_set_key_table(c, NULL);
1.132     nicm     1766:                c->flags &= ~CLIENT_REPEAT;
                   1767:                server_status_client(c);
1.85      nicm     1768:        }
1.192     nicm     1769: }
                   1770:
                   1771: /* Double-click callback. */
                   1772: static void
                   1773: server_client_click_timer(__unused int fd, __unused short events, void *data)
                   1774: {
1.306     nicm     1775:        struct client           *c = data;
                   1776:        struct key_event        *event;
                   1777:
                   1778:        log_debug("click timer expired");
1.192     nicm     1779:
1.306     nicm     1780:        if (c->flags & CLIENT_TRIPLECLICK) {
                   1781:                /*
                   1782:                 * Waiting for a third click that hasn't happened, so this must
                   1783:                 * have been a double click.
                   1784:                 */
                   1785:                event = xmalloc(sizeof *event);
                   1786:                event->key = KEYC_DOUBLECLICK;
                   1787:                memcpy(&event->m, &c->click_event, sizeof event->m);
                   1788:                if (!server_client_handle_key(c, event))
                   1789:                        free(event);
                   1790:        }
1.192     nicm     1791:        c->flags &= ~(CLIENT_DOUBLECLICK|CLIENT_TRIPLECLICK);
1.1       nicm     1792: }
                   1793:
1.36      nicm     1794: /* Check if client should be exited. */
1.190     nicm     1795: static void
1.36      nicm     1796: server_client_check_exit(struct client *c)
                   1797: {
1.300     nicm     1798:        struct client_file      *cf;
1.352     nicm     1799:        const char              *name = c->exit_session;
1.357     nicm     1800:        char                    *data;
                   1801:        size_t                   size, msize;
1.300     nicm     1802:
1.354     nicm     1803:        if (c->flags & (CLIENT_DEAD|CLIENT_EXITED))
                   1804:                return;
                   1805:        if (~c->flags & CLIENT_EXIT)
1.36      nicm     1806:                return;
                   1807:
1.352     nicm     1808:        if (c->flags & CLIENT_CONTROL) {
1.355     nicm     1809:                control_discard(c);
1.352     nicm     1810:                if (!control_all_done(c))
                   1811:                        return;
                   1812:        }
1.300     nicm     1813:        RB_FOREACH(cf, client_files, &c->files) {
                   1814:                if (EVBUFFER_LENGTH(cf->buffer) != 0)
                   1815:                        return;
                   1816:        }
1.286     nicm     1817:        c->flags |= CLIENT_EXITED;
1.352     nicm     1818:
                   1819:        switch (c->exit_type) {
                   1820:        case CLIENT_EXIT_RETURN:
1.367     nicm     1821:                if (c->exit_message != NULL)
1.357     nicm     1822:                        msize = strlen(c->exit_message) + 1;
1.367     nicm     1823:                else
                   1824:                        msize = 0;
                   1825:                size = (sizeof c->retval) + msize;
1.357     nicm     1826:                data = xmalloc(size);
                   1827:                memcpy(data, &c->retval, sizeof c->retval);
                   1828:                if (c->exit_message != NULL)
                   1829:                        memcpy(data + sizeof c->retval, c->exit_message, msize);
                   1830:                proc_send(c->peer, MSG_EXIT, -1, data, size);
                   1831:                free(data);
1.352     nicm     1832:                break;
                   1833:        case CLIENT_EXIT_SHUTDOWN:
                   1834:                proc_send(c->peer, MSG_SHUTDOWN, -1, NULL, 0);
                   1835:                break;
                   1836:        case CLIENT_EXIT_DETACH:
                   1837:                proc_send(c->peer, c->exit_msgtype, -1, name, strlen(name) + 1);
                   1838:                break;
                   1839:        }
                   1840:        free(c->exit_session);
1.357     nicm     1841:        free(c->exit_message);
1.38      nicm     1842: }
                   1843:
1.218     nicm     1844: /* Redraw timer callback. */
                   1845: static void
                   1846: server_client_redraw_timer(__unused int fd, __unused short events,
1.299     nicm     1847:     __unused void *data)
1.218     nicm     1848: {
                   1849:        log_debug("redraw timer fired");
1.366     nicm     1850: }
                   1851:
                   1852: /*
                   1853:  * Check if modes need to be updated. Only modes in the current window are
                   1854:  * updated and it is done when the status line is redrawn.
                   1855:  */
                   1856: static void
                   1857: server_client_check_modes(struct client *c)
                   1858: {
                   1859:        struct window                   *w = c->session->curw->window;
                   1860:        struct window_pane              *wp;
                   1861:        struct window_mode_entry        *wme;
                   1862:
                   1863:        if (c->flags & (CLIENT_CONTROL|CLIENT_SUSPENDED))
                   1864:                return;
                   1865:        if (~c->flags & CLIENT_REDRAWSTATUS)
                   1866:                return;
                   1867:        TAILQ_FOREACH(wp, &w->panes, entry) {
                   1868:                wme = TAILQ_FIRST(&wp->modes);
                   1869:                if (wme != NULL && wme->mode->update != NULL)
                   1870:                        wme->mode->update(wme);
                   1871:        }
1.218     nicm     1872: }
                   1873:
1.1       nicm     1874: /* Check for client redraws. */
1.190     nicm     1875: static void
1.1       nicm     1876: server_client_check_redraw(struct client *c)
                   1877: {
                   1878:        struct session          *s = c->session;
1.137     nicm     1879:        struct tty              *tty = &c->tty;
1.326     nicm     1880:        struct window           *w = c->session->curw->window;
1.1       nicm     1881:        struct window_pane      *wp;
1.325     nicm     1882:        int                      needed, flags, mode = tty->mode, new_flags = 0;
1.326     nicm     1883:        int                      redraw;
                   1884:        u_int                    bit = 0;
1.218     nicm     1885:        struct timeval           tv = { .tv_usec = 1000 };
                   1886:        static struct event      ev;
                   1887:        size_t                   left;
1.1       nicm     1888:
1.86      nicm     1889:        if (c->flags & (CLIENT_CONTROL|CLIENT_SUSPENDED))
1.79      nicm     1890:                return;
1.257     nicm     1891:        if (c->flags & CLIENT_ALLREDRAWFLAGS) {
1.325     nicm     1892:                log_debug("%s: redraw%s%s%s%s%s", c->name,
1.257     nicm     1893:                    (c->flags & CLIENT_REDRAWWINDOW) ? " window" : "",
                   1894:                    (c->flags & CLIENT_REDRAWSTATUS) ? " status" : "",
1.282     nicm     1895:                    (c->flags & CLIENT_REDRAWBORDERS) ? " borders" : "",
1.325     nicm     1896:                    (c->flags & CLIENT_REDRAWOVERLAY) ? " overlay" : "",
                   1897:                    (c->flags & CLIENT_REDRAWPANES) ? " panes" : "");
1.257     nicm     1898:        }
1.218     nicm     1899:
                   1900:        /*
                   1901:         * If there is outstanding data, defer the redraw until it has been
                   1902:         * consumed. We can just add a timer to get out of the event loop and
                   1903:         * end up back here.
                   1904:         */
                   1905:        needed = 0;
1.256     nicm     1906:        if (c->flags & CLIENT_ALLREDRAWFLAGS)
1.218     nicm     1907:                needed = 1;
                   1908:        else {
1.326     nicm     1909:                TAILQ_FOREACH(wp, &w->panes, entry) {
1.218     nicm     1910:                        if (wp->flags & PANE_REDRAW) {
                   1911:                                needed = 1;
                   1912:                                break;
                   1913:                        }
                   1914:                }
1.325     nicm     1915:                if (needed)
                   1916:                        new_flags |= CLIENT_REDRAWPANES;
1.218     nicm     1917:        }
1.241     nicm     1918:        if (needed && (left = EVBUFFER_LENGTH(tty->out)) != 0) {
                   1919:                log_debug("%s: redraw deferred (%zu left)", c->name, left);
                   1920:                if (!evtimer_initialized(&ev))
                   1921:                        evtimer_set(&ev, server_client_redraw_timer, NULL);
                   1922:                if (!evtimer_pending(&ev, NULL)) {
1.218     nicm     1923:                        log_debug("redraw timer started");
                   1924:                        evtimer_add(&ev, &tv);
1.241     nicm     1925:                }
1.327     nicm     1926:
                   1927:                if (~c->flags & CLIENT_REDRAWWINDOW) {
1.326     nicm     1928:                        TAILQ_FOREACH(wp, &w->panes, entry) {
1.327     nicm     1929:                                if (wp->flags & PANE_REDRAW) {
                   1930:                                        log_debug("%s: pane %%%u needs redraw",
                   1931:                                            c->name, wp->id);
1.326     nicm     1932:                                        c->redraw_panes |= (1 << bit);
1.327     nicm     1933:                                }
1.326     nicm     1934:                                if (++bit == 64) {
                   1935:                                        /*
                   1936:                                         * If more that 64 panes, give up and
                   1937:                                         * just redraw the window.
                   1938:                                         */
                   1939:                                        new_flags &= CLIENT_REDRAWPANES;
                   1940:                                        new_flags |= CLIENT_REDRAWWINDOW;
                   1941:                                        break;
                   1942:                                }
                   1943:                        }
1.327     nicm     1944:                        if (c->redraw_panes != 0)
                   1945:                                c->flags |= CLIENT_REDRAWPANES;
1.326     nicm     1946:                }
1.325     nicm     1947:                c->flags |= new_flags;
1.241     nicm     1948:                return;
                   1949:        } else if (needed)
1.218     nicm     1950:                log_debug("%s: redraw needed", c->name);
1.79      nicm     1951:
1.219     nicm     1952:        flags = tty->flags & (TTY_BLOCK|TTY_FREEZE|TTY_NOCURSOR);
1.326     nicm     1953:        tty->flags = (tty->flags & ~(TTY_BLOCK|TTY_FREEZE))|TTY_NOCURSOR;
1.137     nicm     1954:
1.256     nicm     1955:        if (~c->flags & CLIENT_REDRAWWINDOW) {
                   1956:                /*
                   1957:                 * If not redrawing the entire window, check whether each pane
                   1958:                 * needs to be redrawn.
                   1959:                 */
1.326     nicm     1960:                TAILQ_FOREACH(wp, &w->panes, entry) {
                   1961:                        redraw = 0;
                   1962:                        if (wp->flags & PANE_REDRAW)
                   1963:                                redraw = 1;
                   1964:                        else if (c->flags & CLIENT_REDRAWPANES)
                   1965:                                redraw = !!(c->redraw_panes & (1 << bit));
1.328     nicm     1966:                        bit++;
1.326     nicm     1967:                        if (!redraw)
                   1968:                                continue;
                   1969:                        log_debug("%s: redrawing pane %%%u", __func__, wp->id);
                   1970:                        screen_redraw_pane(c, wp);
1.1       nicm     1971:                }
1.331     nicm     1972:                c->redraw_panes = 0;
1.325     nicm     1973:                c->flags &= ~CLIENT_REDRAWPANES;
1.1       nicm     1974:        }
                   1975:
1.256     nicm     1976:        if (c->flags & CLIENT_ALLREDRAWFLAGS) {
                   1977:                if (options_get_number(s->options, "set-titles"))
                   1978:                        server_client_set_title(c);
                   1979:                screen_redraw_screen(c);
                   1980:        }
1.1       nicm     1981:
1.326     nicm     1982:        tty->flags = (tty->flags & ~TTY_NOCURSOR)|(flags & TTY_NOCURSOR);
1.320     nicm     1983:        tty_update_mode(tty, mode, NULL);
1.326     nicm     1984:        tty->flags = (tty->flags & ~(TTY_BLOCK|TTY_FREEZE|TTY_NOCURSOR))|flags;
1.1       nicm     1985:
1.256     nicm     1986:        c->flags &= ~(CLIENT_ALLREDRAWFLAGS|CLIENT_STATUSFORCE);
1.230     nicm     1987:
                   1988:        if (needed) {
                   1989:                /*
                   1990:                 * We would have deferred the redraw unless the output buffer
                   1991:                 * was empty, so we can record how many bytes the redraw
                   1992:                 * generated.
                   1993:                 */
                   1994:                c->redraw = EVBUFFER_LENGTH(tty->out);
                   1995:                log_debug("%s: redraw added %zu bytes", c->name, c->redraw);
                   1996:        }
1.1       nicm     1997: }
                   1998:
                   1999: /* Set client title. */
1.190     nicm     2000: static void
1.1       nicm     2001: server_client_set_title(struct client *c)
                   2002: {
1.128     nicm     2003:        struct session          *s = c->session;
                   2004:        const char              *template;
                   2005:        char                    *title;
                   2006:        struct format_tree      *ft;
1.1       nicm     2007:
1.163     nicm     2008:        template = options_get_string(s->options, "set-titles-string");
1.25      nicm     2009:
1.228     nicm     2010:        ft = format_create(c, NULL, FORMAT_NONE, 0);
1.128     nicm     2011:        format_defaults(ft, c, NULL, NULL, NULL);
                   2012:
1.269     nicm     2013:        title = format_expand_time(ft, template);
1.1       nicm     2014:        if (c->title == NULL || strcmp(title, c->title) != 0) {
1.77      nicm     2015:                free(c->title);
1.1       nicm     2016:                c->title = xstrdup(title);
                   2017:                tty_set_title(&c->tty, c->title);
                   2018:        }
1.77      nicm     2019:        free(title);
1.128     nicm     2020:
                   2021:        format_free(ft);
1.1       nicm     2022: }
                   2023:
                   2024: /* Dispatch message from client. */
1.190     nicm     2025: static void
1.162     nicm     2026: server_client_dispatch(struct imsg *imsg, void *arg)
1.1       nicm     2027: {
1.300     nicm     2028:        struct client   *c = arg;
                   2029:        ssize_t          datalen;
                   2030:        struct session  *s;
1.1       nicm     2031:
1.162     nicm     2032:        if (c->flags & CLIENT_DEAD)
                   2033:                return;
                   2034:
                   2035:        if (imsg == NULL) {
                   2036:                server_client_lost(c);
                   2037:                return;
                   2038:        }
1.1       nicm     2039:
1.162     nicm     2040:        datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
1.1       nicm     2041:
1.162     nicm     2042:        switch (imsg->hdr.type) {
1.370     nicm     2043:        case MSG_IDENTIFY_CLIENTPID:
                   2044:        case MSG_IDENTIFY_CWD:
                   2045:        case MSG_IDENTIFY_ENVIRON:
1.329     nicm     2046:        case MSG_IDENTIFY_FEATURES:
1.162     nicm     2047:        case MSG_IDENTIFY_FLAGS:
1.361     nicm     2048:        case MSG_IDENTIFY_LONGFLAGS:
1.370     nicm     2049:        case MSG_IDENTIFY_STDIN:
                   2050:        case MSG_IDENTIFY_STDOUT:
1.162     nicm     2051:        case MSG_IDENTIFY_TERM:
1.370     nicm     2052:        case MSG_IDENTIFY_TERMINFO:
1.162     nicm     2053:        case MSG_IDENTIFY_TTYNAME:
                   2054:        case MSG_IDENTIFY_DONE:
                   2055:                server_client_dispatch_identify(c, imsg);
                   2056:                break;
                   2057:        case MSG_COMMAND:
                   2058:                server_client_dispatch_command(c, imsg);
                   2059:                break;
                   2060:        case MSG_RESIZE:
                   2061:                if (datalen != 0)
                   2062:                        fatalx("bad MSG_RESIZE size");
1.1       nicm     2063:
1.162     nicm     2064:                if (c->flags & CLIENT_CONTROL)
1.1       nicm     2065:                        break;
1.295     nicm     2066:                server_client_update_latest(c);
1.236     nicm     2067:                tty_resize(&c->tty);
                   2068:                recalculate_sizes();
1.376     nicm     2069:                if (c->overlay_resize == NULL)
                   2070:                        server_client_clear_overlay(c);
                   2071:                else
                   2072:                        c->overlay_resize(c);
1.236     nicm     2073:                server_redraw_client(c);
1.174     nicm     2074:                if (c->session != NULL)
1.196     nicm     2075:                        notify_client("client-resized", c);
1.162     nicm     2076:                break;
                   2077:        case MSG_EXITING:
                   2078:                if (datalen != 0)
                   2079:                        fatalx("bad MSG_EXITING size");
                   2080:                c->session = NULL;
                   2081:                tty_close(&c->tty);
                   2082:                proc_send(c->peer, MSG_EXITED, -1, NULL, 0);
                   2083:                break;
                   2084:        case MSG_WAKEUP:
                   2085:        case MSG_UNLOCK:
                   2086:                if (datalen != 0)
                   2087:                        fatalx("bad MSG_WAKEUP size");
1.121     nicm     2088:
1.162     nicm     2089:                if (!(c->flags & CLIENT_SUSPENDED))
                   2090:                        break;
                   2091:                c->flags &= ~CLIENT_SUSPENDED;
1.10      nicm     2092:
1.365     nicm     2093:                if (c->fd == -1 || c->session == NULL) /* exited already */
1.1       nicm     2094:                        break;
1.162     nicm     2095:                s = c->session;
1.1       nicm     2096:
1.162     nicm     2097:                if (gettimeofday(&c->activity_time, NULL) != 0)
                   2098:                        fatal("gettimeofday failed");
                   2099:
                   2100:                tty_start_tty(&c->tty);
                   2101:                server_redraw_client(c);
                   2102:                recalculate_sizes();
1.184     nicm     2103:
                   2104:                if (s != NULL)
                   2105:                        session_update_activity(s, &c->activity_time);
1.162     nicm     2106:                break;
                   2107:        case MSG_SHELL:
                   2108:                if (datalen != 0)
                   2109:                        fatalx("bad MSG_SHELL size");
1.1       nicm     2110:
1.162     nicm     2111:                server_client_dispatch_shell(c);
                   2112:                break;
1.300     nicm     2113:        case MSG_WRITE_READY:
1.369     nicm     2114:                file_write_ready(&c->files, imsg);
1.300     nicm     2115:                break;
                   2116:        case MSG_READ:
1.369     nicm     2117:                file_read_data(&c->files, imsg);
1.300     nicm     2118:                break;
                   2119:        case MSG_READ_DONE:
1.369     nicm     2120:                file_read_done(&c->files, imsg);
1.300     nicm     2121:                break;
1.1       nicm     2122:        }
                   2123: }
                   2124:
1.194     nicm     2125: /* Callback when command is done. */
                   2126: static enum cmd_retval
1.195     nicm     2127: server_client_command_done(struct cmdq_item *item, __unused void *data)
1.194     nicm     2128: {
1.316     nicm     2129:        struct client   *c = cmdq_get_client(item);
1.194     nicm     2130:
                   2131:        if (~c->flags & CLIENT_ATTACHED)
                   2132:                c->flags |= CLIENT_EXIT;
1.352     nicm     2133:        else if (~c->flags & CLIENT_EXIT)
1.314     nicm     2134:                tty_send_requests(&c->tty);
1.194     nicm     2135:        return (CMD_RETURN_NORMAL);
                   2136: }
                   2137:
1.1       nicm     2138: /* Handle command message. */
1.190     nicm     2139: static void
1.162     nicm     2140: server_client_dispatch_command(struct client *c, struct imsg *imsg)
1.1       nicm     2141: {
1.300     nicm     2142:        struct msg_command        data;
1.108     nicm     2143:        char                     *buf;
                   2144:        size_t                    len;
                   2145:        int                       argc;
                   2146:        char                    **argv, *cause;
1.285     nicm     2147:        struct cmd_parse_result  *pr;
1.246     nicm     2148:
                   2149:        if (c->flags & CLIENT_EXIT)
                   2150:                return;
1.108     nicm     2151:
                   2152:        if (imsg->hdr.len - IMSG_HEADER_SIZE < sizeof data)
                   2153:                fatalx("bad MSG_COMMAND size");
                   2154:        memcpy(&data, imsg->data, sizeof data);
                   2155:
1.124     nicm     2156:        buf = (char *)imsg->data + sizeof data;
1.108     nicm     2157:        len = imsg->hdr.len  - IMSG_HEADER_SIZE - sizeof data;
                   2158:        if (len > 0 && buf[len - 1] != '\0')
                   2159:                fatalx("bad MSG_COMMAND string");
                   2160:
                   2161:        argc = data.argc;
                   2162:        if (cmd_unpack_argv(buf, len, argc, &argv) != 0) {
1.194     nicm     2163:                cause = xstrdup("command too long");
1.1       nicm     2164:                goto error;
                   2165:        }
                   2166:
                   2167:        if (argc == 0) {
                   2168:                argc = 1;
                   2169:                argv = xcalloc(1, sizeof *argv);
                   2170:                *argv = xstrdup("new-session");
                   2171:        }
                   2172:
1.285     nicm     2173:        pr = cmd_parse_from_arguments(argc, argv, NULL);
                   2174:        switch (pr->status) {
                   2175:        case CMD_PARSE_EMPTY:
                   2176:                cause = xstrdup("empty command");
1.1       nicm     2177:                goto error;
1.285     nicm     2178:        case CMD_PARSE_ERROR:
                   2179:                cause = pr->error;
                   2180:                goto error;
                   2181:        case CMD_PARSE_SUCCESS:
                   2182:                break;
1.1       nicm     2183:        }
                   2184:        cmd_free_argv(argc, argv);
                   2185:
1.318     nicm     2186:        cmdq_append(c, cmdq_get_command(pr->cmdlist, NULL));
1.194     nicm     2187:        cmdq_append(c, cmdq_get_callback(server_client_command_done, NULL));
1.285     nicm     2188:
                   2189:        cmd_list_free(pr->cmdlist);
1.1       nicm     2190:        return;
                   2191:
                   2192: error:
1.285     nicm     2193:        cmd_free_argv(argc, argv);
                   2194:
1.284     nicm     2195:        cmdq_append(c, cmdq_get_error(cause));
                   2196:        free(cause);
1.88      nicm     2197:
1.36      nicm     2198:        c->flags |= CLIENT_EXIT;
1.1       nicm     2199: }
                   2200:
                   2201: /* Handle identify message. */
1.190     nicm     2202: static void
1.162     nicm     2203: server_client_dispatch_identify(struct client *c, struct imsg *imsg)
1.1       nicm     2204: {
1.165     nicm     2205:        const char      *data, *home;
1.232     nicm     2206:        size_t           datalen;
1.329     nicm     2207:        int              flags, feat;
1.361     nicm     2208:        uint64_t         longflags;
1.216     nicm     2209:        char            *name;
1.109     nicm     2210:
                   2211:        if (c->flags & CLIENT_IDENTIFIED)
                   2212:                fatalx("out-of-order identify message");
                   2213:
                   2214:        data = imsg->data;
                   2215:        datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
                   2216:
                   2217:        switch (imsg->hdr.type) {
1.329     nicm     2218:        case MSG_IDENTIFY_FEATURES:
                   2219:                if (datalen != sizeof feat)
                   2220:                        fatalx("bad MSG_IDENTIFY_FEATURES size");
                   2221:                memcpy(&feat, data, sizeof feat);
                   2222:                c->term_features |= feat;
                   2223:                log_debug("client %p IDENTIFY_FEATURES %s", c,
                   2224:                    tty_get_features(feat));
                   2225:                break;
1.109     nicm     2226:        case MSG_IDENTIFY_FLAGS:
                   2227:                if (datalen != sizeof flags)
                   2228:                        fatalx("bad MSG_IDENTIFY_FLAGS size");
                   2229:                memcpy(&flags, data, sizeof flags);
                   2230:                c->flags |= flags;
1.158     nicm     2231:                log_debug("client %p IDENTIFY_FLAGS %#x", c, flags);
1.361     nicm     2232:                break;
                   2233:        case MSG_IDENTIFY_LONGFLAGS:
                   2234:                if (datalen != sizeof longflags)
                   2235:                        fatalx("bad MSG_IDENTIFY_LONGFLAGS size");
                   2236:                memcpy(&longflags, data, sizeof longflags);
                   2237:                c->flags |= longflags;
                   2238:                log_debug("client %p IDENTIFY_LONGFLAGS %#llx", c,
                   2239:                    (unsigned long long)longflags);
1.109     nicm     2240:                break;
                   2241:        case MSG_IDENTIFY_TERM:
1.110     nicm     2242:                if (datalen == 0 || data[datalen - 1] != '\0')
1.109     nicm     2243:                        fatalx("bad MSG_IDENTIFY_TERM string");
1.329     nicm     2244:                if (*data == '\0')
                   2245:                        c->term_name = xstrdup("unknown");
                   2246:                else
                   2247:                        c->term_name = xstrdup(data);
1.158     nicm     2248:                log_debug("client %p IDENTIFY_TERM %s", c, data);
1.370     nicm     2249:                break;
                   2250:        case MSG_IDENTIFY_TERMINFO:
                   2251:                if (datalen == 0 || data[datalen - 1] != '\0')
                   2252:                        fatalx("bad MSG_IDENTIFY_TERMINFO string");
                   2253:                c->term_caps = xreallocarray(c->term_caps, c->term_ncaps + 1,
                   2254:                    sizeof *c->term_caps);
                   2255:                c->term_caps[c->term_ncaps++] = xstrdup(data);
                   2256:                log_debug("client %p IDENTIFY_TERMINFO %s", c, data);
1.109     nicm     2257:                break;
                   2258:        case MSG_IDENTIFY_TTYNAME:
1.110     nicm     2259:                if (datalen == 0 || data[datalen - 1] != '\0')
1.109     nicm     2260:                        fatalx("bad MSG_IDENTIFY_TTYNAME string");
                   2261:                c->ttyname = xstrdup(data);
1.158     nicm     2262:                log_debug("client %p IDENTIFY_TTYNAME %s", c, data);
1.109     nicm     2263:                break;
                   2264:        case MSG_IDENTIFY_CWD:
1.155     nicm     2265:                if (datalen == 0 || data[datalen - 1] != '\0')
                   2266:                        fatalx("bad MSG_IDENTIFY_CWD string");
1.165     nicm     2267:                if (access(data, X_OK) == 0)
                   2268:                        c->cwd = xstrdup(data);
                   2269:                else if ((home = find_home()) != NULL)
                   2270:                        c->cwd = xstrdup(home);
                   2271:                else
                   2272:                        c->cwd = xstrdup("/");
1.158     nicm     2273:                log_debug("client %p IDENTIFY_CWD %s", c, data);
1.109     nicm     2274:                break;
                   2275:        case MSG_IDENTIFY_STDIN:
                   2276:                if (datalen != 0)
                   2277:                        fatalx("bad MSG_IDENTIFY_STDIN size");
                   2278:                c->fd = imsg->fd;
1.158     nicm     2279:                log_debug("client %p IDENTIFY_STDIN %d", c, imsg->fd);
1.109     nicm     2280:                break;
1.351     nicm     2281:        case MSG_IDENTIFY_STDOUT:
                   2282:                if (datalen != 0)
                   2283:                        fatalx("bad MSG_IDENTIFY_STDOUT size");
                   2284:                c->out_fd = imsg->fd;
                   2285:                log_debug("client %p IDENTIFY_STDOUT %d", c, imsg->fd);
                   2286:                break;
1.109     nicm     2287:        case MSG_IDENTIFY_ENVIRON:
1.110     nicm     2288:                if (datalen == 0 || data[datalen - 1] != '\0')
1.109     nicm     2289:                        fatalx("bad MSG_IDENTIFY_ENVIRON string");
                   2290:                if (strchr(data, '=') != NULL)
1.312     nicm     2291:                        environ_put(c->environ, data, 0);
1.158     nicm     2292:                log_debug("client %p IDENTIFY_ENVIRON %s", c, data);
1.143     nicm     2293:                break;
                   2294:        case MSG_IDENTIFY_CLIENTPID:
                   2295:                if (datalen != sizeof c->pid)
                   2296:                        fatalx("bad MSG_IDENTIFY_CLIENTPID size");
                   2297:                memcpy(&c->pid, data, sizeof c->pid);
1.158     nicm     2298:                log_debug("client %p IDENTIFY_CLIENTPID %ld", c, (long)c->pid);
1.109     nicm     2299:                break;
                   2300:        default:
                   2301:                break;
                   2302:        }
                   2303:
                   2304:        if (imsg->hdr.type != MSG_IDENTIFY_DONE)
                   2305:                return;
                   2306:        c->flags |= CLIENT_IDENTIFIED;
1.75      nicm     2307:
1.216     nicm     2308:        if (*c->ttyname != '\0')
                   2309:                name = xstrdup(c->ttyname);
                   2310:        else
                   2311:                xasprintf(&name, "client-%ld", (long)c->pid);
                   2312:        c->name = name;
                   2313:        log_debug("client %p name is %s", c, c->name);
                   2314:
1.362     nicm     2315:        if (c->flags & CLIENT_CONTROL)
1.300     nicm     2316:                control_start(c);
1.351     nicm     2317:        else if (c->fd != -1) {
1.348     nicm     2318:                if (tty_init(&c->tty, c) != 0) {
1.288     nicm     2319:                        close(c->fd);
                   2320:                        c->fd = -1;
                   2321:                } else {
                   2322:                        tty_resize(&c->tty);
                   2323:                        c->flags |= CLIENT_TERMINAL;
                   2324:                }
1.351     nicm     2325:                close(c->out_fd);
                   2326:                c->out_fd = -1;
1.75      nicm     2327:        }
1.1       nicm     2328:
1.288     nicm     2329:        /*
1.362     nicm     2330:         * If this is the first client, load configuration files. Any later
                   2331:         * clients are allowed to continue with their command even if the
                   2332:         * config has not been loaded - they might have been run from inside it
1.288     nicm     2333:         */
                   2334:        if ((~c->flags & CLIENT_EXIT) &&
1.362     nicm     2335:             !cfg_finished &&
                   2336:             c == TAILQ_FIRST(&clients))
1.288     nicm     2337:                start_cfg();
1.1       nicm     2338: }
                   2339:
                   2340: /* Handle shell message. */
1.190     nicm     2341: static void
1.162     nicm     2342: server_client_dispatch_shell(struct client *c)
1.1       nicm     2343: {
1.107     nicm     2344:        const char      *shell;
1.25      nicm     2345:
1.163     nicm     2346:        shell = options_get_string(global_s_options, "default-shell");
1.308     nicm     2347:        if (!checkshell(shell))
1.1       nicm     2348:                shell = _PATH_BSHELL;
1.240     nicm     2349:        proc_send(c->peer, MSG_SHELL, -1, shell, strlen(shell) + 1);
1.25      nicm     2350:
1.162     nicm     2351:        proc_kill_peer(c->peer);
1.213     nicm     2352: }
                   2353:
                   2354: /* Get client working directory. */
                   2355: const char *
1.250     nicm     2356: server_client_get_cwd(struct client *c, struct session *s)
1.213     nicm     2357: {
1.250     nicm     2358:        const char      *home;
1.213     nicm     2359:
1.265     nicm     2360:        if (!cfg_finished && cfg_client != NULL)
                   2361:                return (cfg_client->cwd);
1.213     nicm     2362:        if (c != NULL && c->session == NULL && c->cwd != NULL)
                   2363:                return (c->cwd);
1.250     nicm     2364:        if (s != NULL && s->cwd != NULL)
                   2365:                return (s->cwd);
1.213     nicm     2366:        if (c != NULL && (s = c->session) != NULL && s->cwd != NULL)
                   2367:                return (s->cwd);
1.250     nicm     2368:        if ((home = find_home()) != NULL)
                   2369:                return (home);
                   2370:        return ("/");
1.337     nicm     2371: }
                   2372:
1.355     nicm     2373: /* Get control client flags. */
                   2374: static uint64_t
                   2375: server_client_control_flags(struct client *c, const char *next)
                   2376: {
                   2377:        if (strcmp(next, "pause-after") == 0) {
                   2378:                c->pause_age = 0;
                   2379:                return (CLIENT_CONTROL_PAUSEAFTER);
                   2380:        }
                   2381:        if (sscanf(next, "pause-after=%u", &c->pause_age) == 1) {
                   2382:                c->pause_age *= 1000;
                   2383:                return (CLIENT_CONTROL_PAUSEAFTER);
                   2384:        }
                   2385:        if (strcmp(next, "no-output") == 0)
                   2386:                return (CLIENT_CONTROL_NOOUTPUT);
1.358     nicm     2387:        if (strcmp(next, "wait-exit") == 0)
                   2388:                return (CLIENT_CONTROL_WAITEXIT);
1.355     nicm     2389:        return (0);
                   2390: }
                   2391:
1.337     nicm     2392: /* Set client flags. */
                   2393: void
                   2394: server_client_set_flags(struct client *c, const char *flags)
                   2395: {
                   2396:        char    *s, *copy, *next;
1.351     nicm     2397:        uint64_t flag;
                   2398:        int      not;
1.337     nicm     2399:
                   2400:        s = copy = xstrdup (flags);
                   2401:        while ((next = strsep(&s, ",")) != NULL) {
                   2402:                not = (*next == '!');
                   2403:                if (not)
                   2404:                        next++;
                   2405:
1.355     nicm     2406:                if (c->flags & CLIENT_CONTROL)
                   2407:                        flag = server_client_control_flags(c, next);
                   2408:                else
                   2409:                        flag = 0;
1.350     nicm     2410:                if (strcmp(next, "read-only") == 0)
1.337     nicm     2411:                        flag = CLIENT_READONLY;
                   2412:                else if (strcmp(next, "ignore-size") == 0)
                   2413:                        flag = CLIENT_IGNORESIZE;
1.341     nicm     2414:                else if (strcmp(next, "active-pane") == 0)
                   2415:                        flag = CLIENT_ACTIVEPANE;
1.350     nicm     2416:                if (flag == 0)
1.337     nicm     2417:                        continue;
                   2418:
                   2419:                log_debug("client %s set flag %s", c->name, next);
                   2420:                if (not)
                   2421:                        c->flags &= ~flag;
                   2422:                else
                   2423:                        c->flags |= flag;
1.346     nicm     2424:                if (flag == CLIENT_CONTROL_NOOUTPUT)
1.352     nicm     2425:                        control_reset_offsets(c);
1.337     nicm     2426:        }
                   2427:        free(copy);
1.358     nicm     2428:        proc_send(c->peer, MSG_FLAGS, -1, &c->flags, sizeof c->flags);
1.337     nicm     2429: }
                   2430:
1.340     nicm     2431: /* Get client flags. This is only flags useful to show to users. */
1.337     nicm     2432: const char *
                   2433: server_client_get_flags(struct client *c)
                   2434: {
1.355     nicm     2435:        static char     s[256];
                   2436:        char            tmp[32];
1.337     nicm     2437:
                   2438:        *s = '\0';
                   2439:        if (c->flags & CLIENT_ATTACHED)
                   2440:                strlcat(s, "attached,", sizeof s);
1.368     nicm     2441:        if (c->flags & CLIENT_FOCUSED)
                   2442:                strlcat(s, "focused,", sizeof s);
1.337     nicm     2443:        if (c->flags & CLIENT_CONTROL)
                   2444:                strlcat(s, "control-mode,", sizeof s);
                   2445:        if (c->flags & CLIENT_IGNORESIZE)
                   2446:                strlcat(s, "ignore-size,", sizeof s);
                   2447:        if (c->flags & CLIENT_CONTROL_NOOUTPUT)
                   2448:                strlcat(s, "no-output,", sizeof s);
1.358     nicm     2449:        if (c->flags & CLIENT_CONTROL_WAITEXIT)
                   2450:                strlcat(s, "wait-exit,", sizeof s);
1.355     nicm     2451:        if (c->flags & CLIENT_CONTROL_PAUSEAFTER) {
                   2452:                xsnprintf(tmp, sizeof tmp, "pause-after=%u,",
                   2453:                    c->pause_age / 1000);
                   2454:                strlcat(s, tmp, sizeof s);
                   2455:        }
1.337     nicm     2456:        if (c->flags & CLIENT_READONLY)
                   2457:                strlcat(s, "read-only,", sizeof s);
1.341     nicm     2458:        if (c->flags & CLIENT_ACTIVEPANE)
                   2459:                strlcat(s, "active-pane,", sizeof s);
1.337     nicm     2460:        if (c->flags & CLIENT_SUSPENDED)
                   2461:                strlcat(s, "suspended,", sizeof s);
                   2462:        if (c->flags & CLIENT_UTF8)
                   2463:                strlcat(s, "UTF-8,", sizeof s);
                   2464:        if (*s != '\0')
                   2465:                s[strlen(s) - 1] = '\0';
                   2466:        return (s);
1.341     nicm     2467: }
                   2468:
                   2469: /* Get client window. */
                   2470: static struct client_window *
                   2471: server_client_get_client_window(struct client *c, u_int id)
                   2472: {
                   2473:        struct client_window    cw = { .window = id };
                   2474:
                   2475:        return (RB_FIND(client_windows, &c->windows, &cw));
                   2476: }
                   2477:
                   2478: /* Get client active pane. */
                   2479: struct window_pane *
                   2480: server_client_get_pane(struct client *c)
                   2481: {
                   2482:        struct session          *s = c->session;
                   2483:        struct client_window    *cw;
                   2484:
                   2485:        if (s == NULL)
                   2486:                return (NULL);
                   2487:
                   2488:        if (~c->flags & CLIENT_ACTIVEPANE)
                   2489:                return (s->curw->window->active);
                   2490:        cw = server_client_get_client_window(c, s->curw->window->id);
                   2491:        if (cw == NULL)
                   2492:                return (s->curw->window->active);
                   2493:        return (cw->pane);
                   2494: }
                   2495:
                   2496: /* Set client active pane. */
                   2497: void
                   2498: server_client_set_pane(struct client *c, struct window_pane *wp)
                   2499: {
                   2500:        struct session          *s = c->session;
                   2501:        struct client_window    *cw;
                   2502:
                   2503:        if (s == NULL)
                   2504:                return;
                   2505:
                   2506:        cw = server_client_get_client_window(c, s->curw->window->id);
                   2507:        if (cw == NULL) {
                   2508:                cw = xcalloc(1, sizeof *cw);
                   2509:                cw->window = s->curw->window->id;
                   2510:                RB_INSERT(client_windows, &c->windows, cw);
                   2511:        }
                   2512:        cw->pane = wp;
                   2513:        log_debug("%s pane now %%%u", c->name, wp->id);
                   2514: }
                   2515:
                   2516: /* Remove pane from client lists. */
                   2517: void
                   2518: server_client_remove_pane(struct window_pane *wp)
                   2519: {
                   2520:        struct client           *c;
                   2521:        struct window           *w = wp->window;
                   2522:        struct client_window    *cw;
                   2523:
                   2524:        TAILQ_FOREACH(c, &clients, entry) {
                   2525:                cw = server_client_get_client_window(c, w->id);
                   2526:                if (cw != NULL && cw->pane == wp) {
                   2527:                        RB_REMOVE(client_windows, &c->windows, cw);
                   2528:                        free(cw);
                   2529:                }
                   2530:        }
1.1       nicm     2531: }