diff options
| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 03:34:38 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 03:34:38 +0000 |
| commit | fa5845db13c5cc87a03062fedf5d9cc237d14604 (patch) | |
| tree | 800970ee68d1ce0659dfbde71e1149e6a2cacf9f /server-client.c | |
| parent | Initial commit. (diff) | |
| download | tmux-fa5845db13c5cc87a03062fedf5d9cc237d14604.tar.xz tmux-fa5845db13c5cc87a03062fedf5d9cc237d14604.zip | |
Adding upstream version 3.3a.upstream/3.3a
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'server-client.c')
| -rw-r--r-- | server-client.c | 3212 |
1 files changed, 3212 insertions, 0 deletions
diff --git a/server-client.c b/server-client.c new file mode 100644 index 0000000..8144bcd --- /dev/null +++ b/server-client.c @@ -0,0 +1,3212 @@ +/* $OpenBSD$ */ + +/* + * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER + * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING + * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <sys/types.h> +#include <sys/ioctl.h> +#include <sys/uio.h> + +#include <errno.h> +#include <fcntl.h> +#include <stdlib.h> +#include <string.h> +#include <time.h> +#include <unistd.h> + +#include "tmux.h" + +static void server_client_free(int, short, void *); +static void server_client_check_pane_resize(struct window_pane *); +static void server_client_check_pane_buffer(struct window_pane *); +static void server_client_check_window_resize(struct window *); +static key_code server_client_check_mouse(struct client *, struct key_event *); +static void server_client_repeat_timer(int, short, void *); +static void server_client_click_timer(int, short, void *); +static void server_client_check_exit(struct client *); +static void server_client_check_redraw(struct client *); +static void server_client_check_modes(struct client *); +static void server_client_set_title(struct client *); +static void server_client_set_path(struct client *); +static void server_client_reset_state(struct client *); +static int server_client_assume_paste(struct session *); +static void server_client_update_latest(struct client *); + +static void server_client_dispatch(struct imsg *, void *); +static void server_client_dispatch_command(struct client *, struct imsg *); +static void server_client_dispatch_identify(struct client *, struct imsg *); +static void server_client_dispatch_shell(struct client *); + +/* Compare client windows. */ +static int +server_client_window_cmp(struct client_window *cw1, + struct client_window *cw2) +{ + if (cw1->window < cw2->window) + return (-1); + if (cw1->window > cw2->window) + return (1); + return (0); +} +RB_GENERATE(client_windows, client_window, entry, server_client_window_cmp); + +/* Number of attached clients. */ +u_int +server_client_how_many(void) +{ + struct client *c; + u_int n; + + n = 0; + TAILQ_FOREACH(c, &clients, entry) { + if (c->session != NULL && (~c->flags & CLIENT_UNATTACHEDFLAGS)) + n++; + } + return (n); +} + +/* Overlay timer callback. */ +static void +server_client_overlay_timer(__unused int fd, __unused short events, void *data) +{ + server_client_clear_overlay(data); +} + +/* Set an overlay on client. */ +void +server_client_set_overlay(struct client *c, u_int delay, + overlay_check_cb checkcb, overlay_mode_cb modecb, + overlay_draw_cb drawcb, overlay_key_cb keycb, overlay_free_cb freecb, + overlay_resize_cb resizecb, void *data) +{ + struct timeval tv; + + if (c->overlay_draw != NULL) + server_client_clear_overlay(c); + + tv.tv_sec = delay / 1000; + tv.tv_usec = (delay % 1000) * 1000L; + + if (event_initialized(&c->overlay_timer)) + evtimer_del(&c->overlay_timer); + evtimer_set(&c->overlay_timer, server_client_overlay_timer, c); + if (delay != 0) + evtimer_add(&c->overlay_timer, &tv); + + c->overlay_check = checkcb; + c->overlay_mode = modecb; + c->overlay_draw = drawcb; + c->overlay_key = keycb; + c->overlay_free = freecb; + c->overlay_resize = resizecb; + c->overlay_data = data; + + if (c->overlay_check == NULL) + c->tty.flags |= TTY_FREEZE; + if (c->overlay_mode == NULL) + c->tty.flags |= TTY_NOCURSOR; + server_redraw_client(c); +} + +/* Clear overlay mode on client. */ +void +server_client_clear_overlay(struct client *c) +{ + if (c->overlay_draw == NULL) + return; + + if (event_initialized(&c->overlay_timer)) + evtimer_del(&c->overlay_timer); + + if (c->overlay_free != NULL) + c->overlay_free(c, c->overlay_data); + + c->overlay_check = NULL; + c->overlay_mode = NULL; + c->overlay_draw = NULL; + c->overlay_key = NULL; + c->overlay_free = NULL; + c->overlay_data = NULL; + + c->tty.flags &= ~(TTY_FREEZE|TTY_NOCURSOR); + server_redraw_client(c); +} + +/* + * Given overlay position and dimensions, return parts of the input range which + * are visible. + */ +void +server_client_overlay_range(u_int x, u_int y, u_int sx, u_int sy, u_int px, + u_int py, u_int nx, struct overlay_ranges *r) +{ + u_int ox, onx; + + /* Return up to 2 ranges. */ + r->px[2] = 0; + r->nx[2] = 0; + + /* Trivial case of no overlap in the y direction. */ + if (py < y || py > y + sy - 1) { + r->px[0] = px; + r->nx[0] = nx; + r->px[1] = 0; + r->nx[1] = 0; + return; + } + + /* Visible bit to the left of the popup. */ + if (px < x) { + r->px[0] = px; + r->nx[0] = x - px; + if (r->nx[0] > nx) + r->nx[0] = nx; + } else { + r->px[0] = 0; + r->nx[0] = 0; + } + + /* Visible bit to the right of the popup. */ + ox = x + sx; + if (px > ox) + ox = px; + onx = px + nx; + if (onx > ox) { + r->px[1] = ox; + r->nx[1] = onx - ox; + } else { + r->px[1] = 0; + r->nx[1] = 0; + } +} + +/* Check if this client is inside this server. */ +int +server_client_check_nested(struct client *c) +{ + struct environ_entry *envent; + struct window_pane *wp; + + envent = environ_find(c->environ, "TMUX"); + if (envent == NULL || *envent->value == '\0') + return (0); + + RB_FOREACH(wp, window_pane_tree, &all_window_panes) { + if (strcmp(wp->tty, c->ttyname) == 0) + return (1); + } + return (0); +} + +/* Set client key table. */ +void +server_client_set_key_table(struct client *c, const char *name) +{ + if (name == NULL) + name = server_client_get_key_table(c); + + key_bindings_unref_table(c->keytable); + c->keytable = key_bindings_get_table(name, 1); + c->keytable->references++; +} + +/* Get default key table. */ +const char * +server_client_get_key_table(struct client *c) +{ + struct session *s = c->session; + const char *name; + + if (s == NULL) + return ("root"); + + name = options_get_string(s->options, "key-table"); + if (*name == '\0') + return ("root"); + return (name); +} + +/* Is this table the default key table? */ +static int +server_client_is_default_key_table(struct client *c, struct key_table *table) +{ + return (strcmp(table->name, server_client_get_key_table(c)) == 0); +} + +/* Create a new client. */ +struct client * +server_client_create(int fd) +{ + struct client *c; + + setblocking(fd, 0); + + c = xcalloc(1, sizeof *c); + c->references = 1; + c->peer = proc_add_peer(server_proc, fd, server_client_dispatch, c); + + if (gettimeofday(&c->creation_time, NULL) != 0) + fatal("gettimeofday failed"); + memcpy(&c->activity_time, &c->creation_time, sizeof c->activity_time); + + c->environ = environ_create(); + + c->fd = -1; + c->out_fd = -1; + + c->queue = cmdq_new(); + RB_INIT(&c->windows); + RB_INIT(&c->files); + + c->tty.sx = 80; + c->tty.sy = 24; + + status_init(c); + c->flags |= CLIENT_FOCUSED; + + c->keytable = key_bindings_get_table("root", 1); + c->keytable->references++; + + evtimer_set(&c->repeat_timer, server_client_repeat_timer, c); + evtimer_set(&c->click_timer, server_client_click_timer, c); + + TAILQ_INSERT_TAIL(&clients, c, entry); + log_debug("new client %p", c); + return (c); +} + +/* Open client terminal if needed. */ +int +server_client_open(struct client *c, char **cause) +{ + const char *ttynam = _PATH_TTY; + + if (c->flags & CLIENT_CONTROL) + return (0); + + if (strcmp(c->ttyname, ttynam) == 0|| + ((isatty(STDIN_FILENO) && + (ttynam = ttyname(STDIN_FILENO)) != NULL && + strcmp(c->ttyname, ttynam) == 0) || + (isatty(STDOUT_FILENO) && + (ttynam = ttyname(STDOUT_FILENO)) != NULL && + strcmp(c->ttyname, ttynam) == 0) || + (isatty(STDERR_FILENO) && + (ttynam = ttyname(STDERR_FILENO)) != NULL && + strcmp(c->ttyname, ttynam) == 0))) { + xasprintf(cause, "can't use %s", c->ttyname); + return (-1); + } + + if (!(c->flags & CLIENT_TERMINAL)) { + *cause = xstrdup("not a terminal"); + return (-1); + } + + if (tty_open(&c->tty, cause) != 0) + return (-1); + + return (0); +} + +/* Lost an attached client. */ +static void +server_client_attached_lost(struct client *c) +{ + struct session *s; + struct window *w; + struct client *loop; + struct client *found; + + log_debug("lost attached client %p", c); + + /* + * By this point the session in the client has been cleared so walk all + * windows to find any with this client as the latest. + */ + RB_FOREACH(w, windows, &windows) { + if (w->latest != c) + continue; + + found = NULL; + TAILQ_FOREACH(loop, &clients, entry) { + s = loop->session; + if (loop == c || s == NULL || s->curw->window != w) + continue; + if (found == NULL || timercmp(&loop->activity_time, + &found->activity_time, >)) + found = loop; + } + if (found != NULL) + server_client_update_latest(found); + } +} + +/* Set client session. */ +void +server_client_set_session(struct client *c, struct session *s) +{ + struct session *old = c->session; + + if (s != NULL && c->session != NULL && c->session != s) + c->last_session = c->session; + else if (s == NULL) + c->last_session = NULL; + c->session = s; + c->flags |= CLIENT_FOCUSED; + + if (old != NULL && old->curw != NULL) + window_update_focus(old->curw->window); + if (s != NULL) { + recalculate_sizes(); + window_update_focus(s->curw->window); + session_update_activity(s, NULL); + gettimeofday(&s->last_attached_time, NULL); + s->curw->flags &= ~WINLINK_ALERTFLAGS; + s->curw->window->latest = c; + alerts_check_session(s); + tty_update_client_offset(c); + status_timer_start(c); + notify_client("client-session-changed", c); + server_redraw_client(c); + } + + server_check_unattached(); + server_update_socket(); +} + +/* Lost a client. */ +void +server_client_lost(struct client *c) +{ + struct client_file *cf, *cf1; + struct client_window *cw, *cw1; + + c->flags |= CLIENT_DEAD; + + server_client_clear_overlay(c); + status_prompt_clear(c); + status_message_clear(c); + + RB_FOREACH_SAFE(cf, client_files, &c->files, cf1) { + cf->error = EINTR; + file_fire_done(cf); + } + RB_FOREACH_SAFE(cw, client_windows, &c->windows, cw1) { + RB_REMOVE(client_windows, &c->windows, cw); + free(cw); + } + + TAILQ_REMOVE(&clients, c, entry); + log_debug("lost client %p", c); + + if (c->flags & CLIENT_ATTACHED) { + server_client_attached_lost(c); + notify_client("client-detached", c); + } + + if (c->flags & CLIENT_CONTROL) + control_stop(c); + if (c->flags & CLIENT_TERMINAL) + tty_free(&c->tty); + free(c->ttyname); + free(c->clipboard_panes); + + free(c->term_name); + free(c->term_type); + tty_term_free_list(c->term_caps, c->term_ncaps); + + status_free(c); + + free(c->title); + free((void *)c->cwd); + + evtimer_del(&c->repeat_timer); + evtimer_del(&c->click_timer); + + key_bindings_unref_table(c->keytable); + + free(c->message_string); + if (event_initialized(&c->message_timer)) + evtimer_del(&c->message_timer); + + free(c->prompt_saved); + free(c->prompt_string); + free(c->prompt_buffer); + + format_lost_client(c); + environ_free(c->environ); + + proc_remove_peer(c->peer); + c->peer = NULL; + + if (c->out_fd != -1) + close(c->out_fd); + if (c->fd != -1) { + close(c->fd); + c->fd = -1; + } + server_client_unref(c); + + server_add_accept(0); /* may be more file descriptors now */ + + recalculate_sizes(); + server_check_unattached(); + server_update_socket(); +} + +/* Remove reference from a client. */ +void +server_client_unref(struct client *c) +{ + log_debug("unref client %p (%d references)", c, c->references); + + c->references--; + if (c->references == 0) + event_once(-1, EV_TIMEOUT, server_client_free, c, NULL); +} + +/* Free dead client. */ +static void +server_client_free(__unused int fd, __unused short events, void *arg) +{ + struct client *c = arg; + + log_debug("free client %p (%d references)", c, c->references); + + cmdq_free(c->queue); + + if (c->references == 0) { + free((void *)c->name); + free(c); + } +} + +/* Suspend a client. */ +void +server_client_suspend(struct client *c) +{ + struct session *s = c->session; + + if (s == NULL || (c->flags & CLIENT_UNATTACHEDFLAGS)) + return; + + tty_stop_tty(&c->tty); + c->flags |= CLIENT_SUSPENDED; + proc_send(c->peer, MSG_SUSPEND, -1, NULL, 0); +} + +/* Detach a client. */ +void +server_client_detach(struct client *c, enum msgtype msgtype) +{ + struct session *s = c->session; + + if (s == NULL || (c->flags & CLIENT_NODETACHFLAGS)) + return; + + c->flags |= CLIENT_EXIT; + + c->exit_type = CLIENT_EXIT_DETACH; + c->exit_msgtype = msgtype; + c->exit_session = xstrdup(s->name); +} + +/* Execute command to replace a client. */ +void +server_client_exec(struct client *c, const char *cmd) +{ + struct session *s = c->session; + char *msg; + const char *shell; + size_t cmdsize, shellsize; + + if (*cmd == '\0') + return; + cmdsize = strlen(cmd) + 1; + + if (s != NULL) + shell = options_get_string(s->options, "default-shell"); + else + shell = options_get_string(global_s_options, "default-shell"); + if (!checkshell(shell)) + shell = _PATH_BSHELL; + shellsize = strlen(shell) + 1; + + msg = xmalloc(cmdsize + shellsize); + memcpy(msg, cmd, cmdsize); + memcpy(msg + cmdsize, shell, shellsize); + + proc_send(c->peer, MSG_EXEC, -1, msg, cmdsize + shellsize); + free(msg); +} + +/* Check for mouse keys. */ +static key_code +server_client_check_mouse(struct client *c, struct key_event *event) +{ + struct mouse_event *m = &event->m; + struct session *s = c->session; + struct winlink *wl; + struct window_pane *wp; + u_int x, y, b, sx, sy, px, py; + int ignore = 0; + key_code key; + struct timeval tv; + struct style_range *sr; + enum { NOTYPE, + MOVE, + DOWN, + UP, + DRAG, + WHEEL, + SECOND, + DOUBLE, + TRIPLE } type = NOTYPE; + enum { NOWHERE, + PANE, + STATUS, + STATUS_LEFT, + STATUS_RIGHT, + STATUS_DEFAULT, + BORDER } where = NOWHERE; + + log_debug("%s mouse %02x at %u,%u (last %u,%u) (%d)", c->name, m->b, + m->x, m->y, m->lx, m->ly, c->tty.mouse_drag_flag); + + /* What type of event is this? */ + if (event->key == KEYC_DOUBLECLICK) { + type = DOUBLE; + x = m->x, y = m->y, b = m->b; + ignore = 1; + log_debug("double-click at %u,%u", x, y); + } else if ((m->sgr_type != ' ' && + MOUSE_DRAG(m->sgr_b) && + MOUSE_RELEASE(m->sgr_b)) || + (m->sgr_type == ' ' && + MOUSE_DRAG(m->b) && + MOUSE_RELEASE(m->b) && + MOUSE_RELEASE(m->lb))) { + type = MOVE; + x = m->x, y = m->y, b = 0; + log_debug("move at %u,%u", x, y); + } else if (MOUSE_DRAG(m->b)) { + type = DRAG; + if (c->tty.mouse_drag_flag) { + x = m->x, y = m->y, b = m->b; + if (x == m->lx && y == m->ly) + return (KEYC_UNKNOWN); + log_debug("drag update at %u,%u", x, y); + } else { + x = m->lx, y = m->ly, b = m->lb; + log_debug("drag start at %u,%u", x, y); + } + } else if (MOUSE_WHEEL(m->b)) { + type = WHEEL; + x = m->x, y = m->y, b = m->b; + log_debug("wheel at %u,%u", x, y); + } else if (MOUSE_RELEASE(m->b)) { + type = UP; + x = m->x, y = m->y, b = m->lb; + log_debug("up at %u,%u", x, y); + } else { + if (c->flags & CLIENT_DOUBLECLICK) { + evtimer_del(&c->click_timer); + c->flags &= ~CLIENT_DOUBLECLICK; + if (m->b == c->click_button) { + type = SECOND; + x = m->x, y = m->y, b = m->b; + log_debug("second-click at %u,%u", x, y); + c->flags |= CLIENT_TRIPLECLICK; + } + } else if (c->flags & CLIENT_TRIPLECLICK) { + evtimer_del(&c->click_timer); + c->flags &= ~CLIENT_TRIPLECLICK; + if (m->b == c->click_button) { + type = TRIPLE; + x = m->x, y = m->y, b = m->b; + log_debug("triple-click at %u,%u", x, y); + goto have_event; + } + } else { + type = DOWN; + x = m->x, y = m->y, b = m->b; + log_debug("down at %u,%u", x, y); + c->flags |= CLIENT_DOUBLECLICK; + } + + if (KEYC_CLICK_TIMEOUT != 0) { + memcpy(&c->click_event, m, sizeof c->click_event); + c->click_button = m->b; + + log_debug("click timer started"); + tv.tv_sec = KEYC_CLICK_TIMEOUT / 1000; + tv.tv_usec = (KEYC_CLICK_TIMEOUT % 1000) * 1000L; + evtimer_del(&c->click_timer); + evtimer_add(&c->click_timer, &tv); + } + } + +have_event: + if (type == NOTYPE) + return (KEYC_UNKNOWN); + + /* Save the session. */ + m->s = s->id; + m->w = -1; + m->ignore = ignore; + + /* Is this on the status line? */ + m->statusat = status_at_line(c); + m->statuslines = status_line_size(c); + if (m->statusat != -1 && + y >= (u_int)m->statusat && + y < m->statusat + m->statuslines) { + sr = status_get_range(c, x, y - m->statusat); + if (sr == NULL) { + where = STATUS_DEFAULT; + } else { + switch (sr->type) { + case STYLE_RANGE_NONE: + return (KEYC_UNKNOWN); + case STYLE_RANGE_LEFT: + where = STATUS_LEFT; + break; + case STYLE_RANGE_RIGHT: + where = STATUS_RIGHT; + break; + case STYLE_RANGE_WINDOW: + wl = winlink_find_by_index(&s->windows, + sr->argument); + if (wl == NULL) + return (KEYC_UNKNOWN); + m->w = wl->window->id; + + where = STATUS; + break; + } + } + } + + /* Not on status line. Adjust position and check for border or pane. */ + if (where == NOWHERE) { + px = x; + if (m->statusat == 0 && y >= m->statuslines) + py = y - m->statuslines; + else if (m->statusat > 0 && y >= (u_int)m->statusat) + py = m->statusat - 1; + else + py = y; + + tty_window_offset(&c->tty, &m->ox, &m->oy, &sx, &sy); + log_debug("mouse window @%u at %u,%u (%ux%u)", + s->curw->window->id, m->ox, m->oy, sx, sy); + if (px > sx || py > sy) + return (KEYC_UNKNOWN); + px = px + m->ox; + py = py + m->oy; + + /* Try the pane borders if not zoomed. */ + if (~s->curw->window->flags & WINDOW_ZOOMED) { + TAILQ_FOREACH(wp, &s->curw->window->panes, entry) { + if ((wp->xoff + wp->sx == px && + wp->yoff <= 1 + py && + wp->yoff + wp->sy >= py) || + (wp->yoff + wp->sy == py && + wp->xoff <= 1 + px && + wp->xoff + wp->sx >= px)) + break; + } + if (wp != NULL) + where = BORDER; + } + + /* Otherwise try inside the pane. */ + if (where == NOWHERE) { + wp = window_get_active_at(s->curw->window, px, py); + if (wp != NULL) + where = PANE; + else + return (KEYC_UNKNOWN); + } + if (where == PANE) + log_debug("mouse %u,%u on pane %%%u", x, y, wp->id); + else if (where == BORDER) + log_debug("mouse on pane %%%u border", wp->id); + m->wp = wp->id; + m->w = wp->window->id; + } else + m->wp = -1; + + /* Stop dragging if needed. */ + if (type != DRAG && type != WHEEL && c->tty.mouse_drag_flag != 0) { + if (c->tty.mouse_drag_release != NULL) + c->tty.mouse_drag_release(c, m); + + c->tty.mouse_drag_update = NULL; + c->tty.mouse_drag_release = NULL; + + /* + * End a mouse drag by passing a MouseDragEnd key corresponding + * to the button that started the drag. + */ + switch (c->tty.mouse_drag_flag - 1) { + case MOUSE_BUTTON_1: + if (where == PANE) + key = KEYC_MOUSEDRAGEND1_PANE; + if (where == STATUS) + key = KEYC_MOUSEDRAGEND1_STATUS; + if (where == STATUS_LEFT) + key = KEYC_MOUSEDRAGEND1_STATUS_LEFT; + if (where == STATUS_RIGHT) + key = KEYC_MOUSEDRAGEND1_STATUS_RIGHT; + if (where == STATUS_DEFAULT) + key = KEYC_MOUSEDRAGEND1_STATUS_DEFAULT; + if (where == BORDER) + key = KEYC_MOUSEDRAGEND1_BORDER; + break; + case MOUSE_BUTTON_2: + if (where == PANE) + key = KEYC_MOUSEDRAGEND2_PANE; + if (where == STATUS) + key = KEYC_MOUSEDRAGEND2_STATUS; + if (where == STATUS_LEFT) + key = KEYC_MOUSEDRAGEND2_STATUS_LEFT; + if (where == STATUS_RIGHT) + key = KEYC_MOUSEDRAGEND2_STATUS_RIGHT; + if (where == STATUS_DEFAULT) + key = KEYC_MOUSEDRAGEND2_STATUS_DEFAULT; + if (where == BORDER) + key = KEYC_MOUSEDRAGEND2_BORDER; + break; + case MOUSE_BUTTON_3: + if (where == PANE) + key = KEYC_MOUSEDRAGEND3_PANE; + if (where == STATUS) + key = KEYC_MOUSEDRAGEND3_STATUS; + if (where == STATUS_LEFT) + key = KEYC_MOUSEDRAGEND3_STATUS_LEFT; + if (where == STATUS_RIGHT) + key = KEYC_MOUSEDRAGEND3_STATUS_RIGHT; + if (where == STATUS_DEFAULT) + key = KEYC_MOUSEDRAGEND3_STATUS_DEFAULT; + if (where == BORDER) + key = KEYC_MOUSEDRAGEND3_BORDER; + break; + case MOUSE_BUTTON_6: + if (where == PANE) + key = KEYC_MOUSEDRAGEND6_PANE; + if (where == STATUS) + key = KEYC_MOUSEDRAGEND6_STATUS; + if (where == STATUS_LEFT) + key = KEYC_MOUSEDRAGEND6_STATUS_LEFT; + if (where == STATUS_RIGHT) + key = KEYC_MOUSEDRAGEND6_STATUS_RIGHT; + if (where == STATUS_DEFAULT) + key = KEYC_MOUSEDRAGEND6_STATUS_DEFAULT; + if (where == BORDER) + key = KEYC_MOUSEDRAGEND6_BORDER; + break; + case MOUSE_BUTTON_7: + if (where == PANE) + key = KEYC_MOUSEDRAGEND7_PANE; + if (where == STATUS) + key = KEYC_MOUSEDRAGEND7_STATUS; + if (where == STATUS_LEFT) + key = KEYC_MOUSEDRAGEND7_STATUS_LEFT; + if (where == STATUS_RIGHT) + key = KEYC_MOUSEDRAGEND7_STATUS_RIGHT; + if (where == STATUS_DEFAULT) + key = KEYC_MOUSEDRAGEND7_STATUS_DEFAULT; + if (where == BORDER) + key = KEYC_MOUSEDRAGEND7_BORDER; + break; + case MOUSE_BUTTON_8: + if (where == PANE) + key = KEYC_MOUSEDRAGEND8_PANE; + if (where == STATUS) + key = KEYC_MOUSEDRAGEND8_STATUS; + if (where == STATUS_LEFT) + key = KEYC_MOUSEDRAGEND8_STATUS_LEFT; + if (where == STATUS_RIGHT) + key = KEYC_MOUSEDRAGEND8_STATUS_RIGHT; + if (where == STATUS_DEFAULT) + key = KEYC_MOUSEDRAGEND8_STATUS_DEFAULT; + if (where == BORDER) + key = KEYC_MOUSEDRAGEND8_BORDER; + break; + case MOUSE_BUTTON_9: + if (where == PANE) + key = KEYC_MOUSEDRAGEND9_PANE; + if (where == STATUS) + key = KEYC_MOUSEDRAGEND9_STATUS; + if (where == STATUS_LEFT) + key = KEYC_MOUSEDRAGEND9_STATUS_LEFT; + if (where == STATUS_RIGHT) + key = KEYC_MOUSEDRAGEND9_STATUS_RIGHT; + if (where == STATUS_DEFAULT) + key = KEYC_MOUSEDRAGEND9_STATUS_DEFAULT; + if (where == BORDER) + key = KEYC_MOUSEDRAGEND9_BORDER; + break; + case MOUSE_BUTTON_10: + if (where == PANE) + key = KEYC_MOUSEDRAGEND10_PANE; + if (where == STATUS) + key = KEYC_MOUSEDRAGEND10_STATUS; + if (where == STATUS_LEFT) + key = KEYC_MOUSEDRAGEND10_STATUS_LEFT; + if (where == STATUS_RIGHT) + key = KEYC_MOUSEDRAGEND10_STATUS_RIGHT; + if (where == STATUS_DEFAULT) + key = KEYC_MOUSEDRAGEND10_STATUS_DEFAULT; + if (where == BORDER) + key = KEYC_MOUSEDRAGEND10_BORDER; + break; + case MOUSE_BUTTON_11: + if (where == PANE) + key = KEYC_MOUSEDRAGEND11_PANE; + if (where == STATUS) + key = KEYC_MOUSEDRAGEND11_STATUS; + if (where == STATUS_LEFT) + key = KEYC_MOUSEDRAGEND11_STATUS_LEFT; + if (where == STATUS_RIGHT) + key = KEYC_MOUSEDRAGEND11_STATUS_RIGHT; + if (where == STATUS_DEFAULT) + key = KEYC_MOUSEDRAGEND11_STATUS_DEFAULT; + if (where == BORDER) + key = KEYC_MOUSEDRAGEND11_BORDER; + break; + default: + key = KEYC_MOUSE; + break; + } + c->tty.mouse_drag_flag = 0; + goto out; + } + + /* Convert to a key binding. */ + key = KEYC_UNKNOWN; + switch (type) { + case NOTYPE: + break; + case MOVE: + if (where == PANE) + key = KEYC_MOUSEMOVE_PANE; + if (where == STATUS) + key = KEYC_MOUSEMOVE_STATUS; + if (where == STATUS_LEFT) + key = KEYC_MOUSEMOVE_STATUS_LEFT; + if (where == STATUS_RIGHT) + key = KEYC_MOUSEMOVE_STATUS_RIGHT; + if (where == STATUS_DEFAULT) + key = KEYC_MOUSEMOVE_STATUS_DEFAULT; + if (where == BORDER) + key = KEYC_MOUSEMOVE_BORDER; + break; + case DRAG: + if (c->tty.mouse_drag_update != NULL) + key = KEYC_DRAGGING; + else { + switch (MOUSE_BUTTONS(b)) { + case MOUSE_BUTTON_1: + if (where == PANE) + key = KEYC_MOUSEDRAG1_PANE; + if (where == STATUS) + key = KEYC_MOUSEDRAG1_STATUS; + if (where == STATUS_LEFT) + key = KEYC_MOUSEDRAG1_STATUS_LEFT; + if (where == STATUS_RIGHT) + key = KEYC_MOUSEDRAG1_STATUS_RIGHT; + if (where == STATUS_DEFAULT) + key = KEYC_MOUSEDRAG1_STATUS_DEFAULT; + if (where == BORDER) + key = KEYC_MOUSEDRAG1_BORDER; + break; + case MOUSE_BUTTON_2: + if (where == PANE) + key = KEYC_MOUSEDRAG2_PANE; + if (where == STATUS) + key = KEYC_MOUSEDRAG2_STATUS; + if (where == STATUS_LEFT) + key = KEYC_MOUSEDRAG2_STATUS_LEFT; + if (where == STATUS_RIGHT) + key = KEYC_MOUSEDRAG2_STATUS_RIGHT; + if (where == STATUS_DEFAULT) + key = KEYC_MOUSEDRAG2_STATUS_DEFAULT; + if (where == BORDER) + key = KEYC_MOUSEDRAG2_BORDER; + break; + case MOUSE_BUTTON_3: + if (where == PANE) + key = KEYC_MOUSEDRAG3_PANE; + if (where == STATUS) + key = KEYC_MOUSEDRAG3_STATUS; + if (where == STATUS_LEFT) + key = KEYC_MOUSEDRAG3_STATUS_LEFT; + if (where == STATUS_RIGHT) + key = KEYC_MOUSEDRAG3_STATUS_RIGHT; + if (where == STATUS_DEFAULT) + key = KEYC_MOUSEDRAG3_STATUS_DEFAULT; + if (where == BORDER) + key = KEYC_MOUSEDRAG3_BORDER; + break; + case MOUSE_BUTTON_6: + if (where == PANE) + key = KEYC_MOUSEDRAG6_PANE; + if (where == STATUS) + key = KEYC_MOUSEDRAG6_STATUS; + if (where == STATUS_LEFT) + key = KEYC_MOUSEDRAG6_STATUS_LEFT; + if (where == STATUS_RIGHT) + key = KEYC_MOUSEDRAG6_STATUS_RIGHT; + if (where == STATUS_DEFAULT) + key = KEYC_MOUSEDRAG6_STATUS_DEFAULT; + if (where == BORDER) + key = KEYC_MOUSEDRAG6_BORDER; + break; + case MOUSE_BUTTON_7: + if (where == PANE) + key = KEYC_MOUSEDRAG7_PANE; + if (where == STATUS) + key = KEYC_MOUSEDRAG7_STATUS; + if (where == STATUS_LEFT) + key = KEYC_MOUSEDRAG7_STATUS_LEFT; + if (where == STATUS_RIGHT) + key = KEYC_MOUSEDRAG7_STATUS_RIGHT; + if (where == STATUS_DEFAULT) + key = KEYC_MOUSEDRAG7_STATUS_DEFAULT; + if (where == BORDER) + key = KEYC_MOUSEDRAG7_BORDER; + break; + case MOUSE_BUTTON_8: + if (where == PANE) + key = KEYC_MOUSEDRAG8_PANE; + if (where == STATUS) + key = KEYC_MOUSEDRAG8_STATUS; + if (where == STATUS_LEFT) + key = KEYC_MOUSEDRAG8_STATUS_LEFT; + if (where == STATUS_RIGHT) + key = KEYC_MOUSEDRAG8_STATUS_RIGHT; + if (where == STATUS_DEFAULT) + key = KEYC_MOUSEDRAG8_STATUS_DEFAULT; + if (where == BORDER) + key = KEYC_MOUSEDRAG8_BORDER; + break; + case MOUSE_BUTTON_9: + if (where == PANE) + key = KEYC_MOUSEDRAG9_PANE; + if (where == STATUS) + key = KEYC_MOUSEDRAG9_STATUS; + if (where == STATUS_LEFT) + key = KEYC_MOUSEDRAG9_STATUS_LEFT; + if (where == STATUS_RIGHT) + key = KEYC_MOUSEDRAG9_STATUS_RIGHT; + if (where == STATUS_DEFAULT) + key = KEYC_MOUSEDRAG9_STATUS_DEFAULT; + if (where == BORDER) + key = KEYC_MOUSEDRAG9_BORDER; + break; + case MOUSE_BUTTON_10: + if (where == PANE) + key = KEYC_MOUSEDRAG10_PANE; + if (where == STATUS) + key = KEYC_MOUSEDRAG10_STATUS; + if (where == STATUS_LEFT) + key = KEYC_MOUSEDRAG10_STATUS_LEFT; + if (where == STATUS_RIGHT) + key = KEYC_MOUSEDRAG10_STATUS_RIGHT; + if (where == STATUS_DEFAULT) + key = KEYC_MOUSEDRAG10_STATUS_DEFAULT; + if (where == BORDER) + key = KEYC_MOUSEDRAG10_BORDER; + break; + case MOUSE_BUTTON_11: + if (where == PANE) + key = KEYC_MOUSEDRAG11_PANE; + if (where == STATUS) + key = KEYC_MOUSEDRAG11_STATUS; + if (where == STATUS_LEFT) + key = KEYC_MOUSEDRAG11_STATUS_LEFT; + if (where == STATUS_RIGHT) + key = KEYC_MOUSEDRAG11_STATUS_RIGHT; + if (where == STATUS_DEFAULT) + key = KEYC_MOUSEDRAG11_STATUS_DEFAULT; + if (where == BORDER) + key = KEYC_MOUSEDRAG11_BORDER; + break; + } + } + + /* + * Begin a drag by setting the flag to a non-zero value that + * corresponds to the mouse button in use. + */ + c->tty.mouse_drag_flag = MOUSE_BUTTONS(b) + 1; + break; + case WHEEL: + if (MOUSE_BUTTONS(b) == MOUSE_WHEEL_UP) { + if (where == PANE) + key = KEYC_WHEELUP_PANE; + if (where == STATUS) + key = KEYC_WHEELUP_STATUS; + if (where == STATUS_LEFT) + key = KEYC_WHEELUP_STATUS_LEFT; + if (where == STATUS_RIGHT) + key = KEYC_WHEELUP_STATUS_RIGHT; + if (where == STATUS_DEFAULT) + key = KEYC_WHEELUP_STATUS_DEFAULT; + if (where == BORDER) + key = KEYC_WHEELUP_BORDER; + } else { + if (where == PANE) + key = KEYC_WHEELDOWN_PANE; + if (where == STATUS) + key = KEYC_WHEELDOWN_STATUS; + if (where == STATUS_LEFT) + key = KEYC_WHEELDOWN_STATUS_LEFT; + if (where == STATUS_RIGHT) + key = KEYC_WHEELDOWN_STATUS_RIGHT; + if (where == STATUS_DEFAULT) + key = KEYC_WHEELDOWN_STATUS_DEFAULT; + if (where == BORDER) + key = KEYC_WHEELDOWN_BORDER; + } + break; + case UP: + switch (MOUSE_BUTTONS(b)) { + case MOUSE_BUTTON_1: + if (where == PANE) + key = KEYC_MOUSEUP1_PANE; + if (where == STATUS) + key = KEYC_MOUSEUP1_STATUS; + if (where == STATUS_LEFT) + key = KEYC_MOUSEUP1_STATUS_LEFT; + if (where == STATUS_RIGHT) + key = KEYC_MOUSEUP1_STATUS_RIGHT; + if (where == STATUS_DEFAULT) + key = KEYC_MOUSEUP1_STATUS_DEFAULT; + if (where == BORDER) + key = KEYC_MOUSEUP1_BORDER; + break; + case MOUSE_BUTTON_2: + if (where == PANE) + key = KEYC_MOUSEUP2_PANE; + if (where == STATUS) + key = KEYC_MOUSEUP2_STATUS; + if (where == STATUS_LEFT) + key = KEYC_MOUSEUP2_STATUS_LEFT; + if (where == STATUS_RIGHT) + key = KEYC_MOUSEUP2_STATUS_RIGHT; + if (where == STATUS_DEFAULT) + key = KEYC_MOUSEUP2_STATUS_DEFAULT; + if (where == BORDER) + key = KEYC_MOUSEUP2_BORDER; + break; + case MOUSE_BUTTON_3: + if (where == PANE) + key = KEYC_MOUSEUP3_PANE; + if (where == STATUS) + key = KEYC_MOUSEUP3_STATUS; + if (where == STATUS_LEFT) + key = KEYC_MOUSEUP3_STATUS_LEFT; + if (where == STATUS_RIGHT) + key = KEYC_MOUSEUP3_STATUS_RIGHT; + if (where == STATUS_DEFAULT) + key = KEYC_MOUSEUP3_STATUS_DEFAULT; + if (where == BORDER) + key = KEYC_MOUSEUP3_BORDER; + break; + case MOUSE_BUTTON_6: + if (where == PANE) + key = KEYC_MOUSEUP6_PANE; + if (where == STATUS) + key = KEYC_MOUSEUP6_STATUS; + if (where == STATUS_LEFT) + key = KEYC_MOUSEUP6_STATUS_LEFT; + if (where == STATUS_RIGHT) + key = KEYC_MOUSEUP6_STATUS_RIGHT; + if (where == STATUS_DEFAULT) + key = KEYC_MOUSEUP6_STATUS_DEFAULT; + if (where == BORDER) + key = KEYC_MOUSEUP6_BORDER; + break; + case MOUSE_BUTTON_7: + if (where == PANE) + key = KEYC_MOUSEUP7_PANE; + if (where == STATUS) + key = KEYC_MOUSEUP7_STATUS; + if (where == STATUS_LEFT) + key = KEYC_MOUSEUP7_STATUS_LEFT; + if (where == STATUS_RIGHT) + key = KEYC_MOUSEUP7_STATUS_RIGHT; + if (where == STATUS_DEFAULT) + key = KEYC_MOUSEUP7_STATUS_DEFAULT; + if (where == BORDER) + key = KEYC_MOUSEUP7_BORDER; + break; + case MOUSE_BUTTON_8: + if (where == PANE) + key = KEYC_MOUSEUP8_PANE; + if (where == STATUS) + key = KEYC_MOUSEUP8_STATUS; + if (where == STATUS_LEFT) + key = KEYC_MOUSEUP8_STATUS_LEFT; + if (where == STATUS_RIGHT) + key = KEYC_MOUSEUP8_STATUS_RIGHT; + if (where == STATUS_DEFAULT) + key = KEYC_MOUSEUP8_STATUS_DEFAULT; + if (where == BORDER) + key = KEYC_MOUSEUP8_BORDER; + break; + case MOUSE_BUTTON_9: + if (where == PANE) + key = KEYC_MOUSEUP9_PANE; + if (where == STATUS) + key = KEYC_MOUSEUP9_STATUS; + if (where == STATUS_LEFT) + key = KEYC_MOUSEUP9_STATUS_LEFT; + if (where == STATUS_RIGHT) + key = KEYC_MOUSEUP9_STATUS_RIGHT; + if (where == STATUS_DEFAULT) + key = KEYC_MOUSEUP9_STATUS_DEFAULT; + if (where == BORDER) + key = KEYC_MOUSEUP9_BORDER; + break; + case MOUSE_BUTTON_10: + if (where == PANE) + key = KEYC_MOUSEUP1_PANE; + if (where == STATUS) + key = KEYC_MOUSEUP1_STATUS; + if (where == STATUS_LEFT) + key = KEYC_MOUSEUP1_STATUS_LEFT; + if (where == STATUS_RIGHT) + key = KEYC_MOUSEUP1_STATUS_RIGHT; + if (where == STATUS_DEFAULT) + key = KEYC_MOUSEUP1_STATUS_DEFAULT; + if (where == BORDER) + key = KEYC_MOUSEUP1_BORDER; + break; + case MOUSE_BUTTON_11: + if (where == PANE) + key = KEYC_MOUSEUP11_PANE; + if (where == STATUS) + key = KEYC_MOUSEUP11_STATUS; + if (where == STATUS_LEFT) + key = KEYC_MOUSEUP11_STATUS_LEFT; + if (where == STATUS_RIGHT) + key = KEYC_MOUSEUP11_STATUS_RIGHT; + if (where == STATUS_DEFAULT) + key = KEYC_MOUSEUP11_STATUS_DEFAULT; + if (where == BORDER) + key = KEYC_MOUSEUP11_BORDER; + break; + } + break; + case DOWN: + switch (MOUSE_BUTTONS(b)) { + case MOUSE_BUTTON_1: + if (where == PANE) + key = KEYC_MOUSEDOWN1_PANE; + if (where == STATUS) + key = KEYC_MOUSEDOWN1_STATUS; + if (where == STATUS_LEFT) + key = KEYC_MOUSEDOWN1_STATUS_LEFT; + if (where == STATUS_RIGHT) + key = KEYC_MOUSEDOWN1_STATUS_RIGHT; + if (where == STATUS_DEFAULT) + key = KEYC_MOUSEDOWN1_STATUS_DEFAULT; + if (where == BORDER) + key = KEYC_MOUSEDOWN1_BORDER; + break; + case MOUSE_BUTTON_2: + if (where == PANE) + key = KEYC_MOUSEDOWN2_PANE; + if (where == STATUS) + key = KEYC_MOUSEDOWN2_STATUS; + if (where == STATUS_LEFT) + key = KEYC_MOUSEDOWN2_STATUS_LEFT; + if (where == STATUS_RIGHT) + key = KEYC_MOUSEDOWN2_STATUS_RIGHT; + if (where == STATUS_DEFAULT) + key = KEYC_MOUSEDOWN2_STATUS_DEFAULT; + if (where == BORDER) + key = KEYC_MOUSEDOWN2_BORDER; + break; + case MOUSE_BUTTON_3: + if (where == PANE) + key = KEYC_MOUSEDOWN3_PANE; + if (where == STATUS) + key = KEYC_MOUSEDOWN3_STATUS; + if (where == STATUS_LEFT) + key = KEYC_MOUSEDOWN3_STATUS_LEFT; + if (where == STATUS_RIGHT) + key = KEYC_MOUSEDOWN3_STATUS_RIGHT; + if (where == STATUS_DEFAULT) + key = KEYC_MOUSEDOWN3_STATUS_DEFAULT; + if (where == BORDER) + key = KEYC_MOUSEDOWN3_BORDER; + break; + case MOUSE_BUTTON_6: + if (where == PANE) + key = KEYC_MOUSEDOWN6_PANE; + if (where == STATUS) + key = KEYC_MOUSEDOWN6_STATUS; + if (where == STATUS_LEFT) + key = KEYC_MOUSEDOWN6_STATUS_LEFT; + if (where == STATUS_RIGHT) + key = KEYC_MOUSEDOWN6_STATUS_RIGHT; + if (where == STATUS_DEFAULT) + key = KEYC_MOUSEDOWN6_STATUS_DEFAULT; + if (where == BORDER) + key = KEYC_MOUSEDOWN6_BORDER; + break; + case MOUSE_BUTTON_7: + if (where == PANE) + key = KEYC_MOUSEDOWN7_PANE; + if (where == STATUS) + key = KEYC_MOUSEDOWN7_STATUS; + if (where == STATUS_LEFT) + key = KEYC_MOUSEDOWN7_STATUS_LEFT; + if (where == STATUS_RIGHT) + key = KEYC_MOUSEDOWN7_STATUS_RIGHT; + if (where == STATUS_DEFAULT) + key = KEYC_MOUSEDOWN7_STATUS_DEFAULT; + if (where == BORDER) + key = KEYC_MOUSEDOWN7_BORDER; + break; + case MOUSE_BUTTON_8: + if (where == PANE) + key = KEYC_MOUSEDOWN8_PANE; + if (where == STATUS) + key = KEYC_MOUSEDOWN8_STATUS; + if (where == STATUS_LEFT) + key = KEYC_MOUSEDOWN8_STATUS_LEFT; + if (where == STATUS_RIGHT) + key = KEYC_MOUSEDOWN8_STATUS_RIGHT; + if (where == STATUS_DEFAULT) + key = KEYC_MOUSEDOWN8_STATUS_DEFAULT; + if (where == BORDER) + key = KEYC_MOUSEDOWN8_BORDER; + break; + case MOUSE_BUTTON_9: + if (where == PANE) + key = KEYC_MOUSEDOWN9_PANE; + if (where == STATUS) + key = KEYC_MOUSEDOWN9_STATUS; + if (where == STATUS_LEFT) + key = KEYC_MOUSEDOWN9_STATUS_LEFT; + if (where == STATUS_RIGHT) + key = KEYC_MOUSEDOWN9_STATUS_RIGHT; + if (where == STATUS_DEFAULT) + key = KEYC_MOUSEDOWN9_STATUS_DEFAULT; + if (where == BORDER) + key = KEYC_MOUSEDOWN9_BORDER; + break; + case MOUSE_BUTTON_10: + if (where == PANE) + key = KEYC_MOUSEDOWN10_PANE; + if (where == STATUS) + key = KEYC_MOUSEDOWN10_STATUS; + if (where == STATUS_LEFT) + key = KEYC_MOUSEDOWN10_STATUS_LEFT; + if (where == STATUS_RIGHT) + key = KEYC_MOUSEDOWN10_STATUS_RIGHT; + if (where == STATUS_DEFAULT) + key = KEYC_MOUSEDOWN10_STATUS_DEFAULT; + if (where == BORDER) + key = KEYC_MOUSEDOWN10_BORDER; + break; + case MOUSE_BUTTON_11: + if (where == PANE) + key = KEYC_MOUSEDOWN11_PANE; + if (where == STATUS) + key = KEYC_MOUSEDOWN11_STATUS; + if (where == STATUS_LEFT) + key = KEYC_MOUSEDOWN11_STATUS_LEFT; + if (where == STATUS_RIGHT) + key = KEYC_MOUSEDOWN11_STATUS_RIGHT; + if (where == STATUS_DEFAULT) + key = KEYC_MOUSEDOWN11_STATUS_DEFAULT; + if (where == BORDER) + key = KEYC_MOUSEDOWN11_BORDER; + break; + } + break; + case SECOND: + switch (MOUSE_BUTTONS(b)) { + case MOUSE_BUTTON_1: + if (where == PANE) + key = KEYC_SECONDCLICK1_PANE; + if (where == STATUS) + key = KEYC_SECONDCLICK1_STATUS; + if (where == STATUS_LEFT) + key = KEYC_SECONDCLICK1_STATUS_LEFT; + if (where == STATUS_RIGHT) + key = KEYC_SECONDCLICK1_STATUS_RIGHT; + if (where == STATUS_DEFAULT) + key = KEYC_SECONDCLICK1_STATUS_DEFAULT; + if (where == BORDER) + key = KEYC_SECONDCLICK1_BORDER; + break; + case MOUSE_BUTTON_2: + if (where == PANE) + key = KEYC_SECONDCLICK2_PANE; + if (where == STATUS) + key = KEYC_SECONDCLICK2_STATUS; + if (where == STATUS_LEFT) + key = KEYC_SECONDCLICK2_STATUS_LEFT; + if (where == STATUS_RIGHT) + key = KEYC_SECONDCLICK2_STATUS_RIGHT; + if (where == STATUS_DEFAULT) + key = KEYC_SECONDCLICK2_STATUS_DEFAULT; + if (where == BORDER) + key = KEYC_SECONDCLICK2_BORDER; + break; + case MOUSE_BUTTON_3: + if (where == PANE) + key = KEYC_SECONDCLICK3_PANE; + if (where == STATUS) + key = KEYC_SECONDCLICK3_STATUS; + if (where == STATUS_LEFT) + key = KEYC_SECONDCLICK3_STATUS_LEFT; + if (where == STATUS_RIGHT) + key = KEYC_SECONDCLICK3_STATUS_RIGHT; + if (where == STATUS_DEFAULT) + key = KEYC_SECONDCLICK3_STATUS_DEFAULT; + if (where == BORDER) + key = KEYC_SECONDCLICK3_BORDER; + break; + case MOUSE_BUTTON_6: + if (where == PANE) + key = KEYC_SECONDCLICK6_PANE; + if (where == STATUS) + key = KEYC_SECONDCLICK6_STATUS; + if (where == STATUS_LEFT) + key = KEYC_SECONDCLICK6_STATUS_LEFT; + if (where == STATUS_RIGHT) + key = KEYC_SECONDCLICK6_STATUS_RIGHT; + if (where == STATUS_DEFAULT) + key = KEYC_SECONDCLICK6_STATUS_DEFAULT; + if (where == BORDER) + key = KEYC_SECONDCLICK6_BORDER; + break; + case MOUSE_BUTTON_7: + if (where == PANE) + key = KEYC_SECONDCLICK7_PANE; + if (where == STATUS) + key = KEYC_SECONDCLICK7_STATUS; + if (where == STATUS_LEFT) + key = KEYC_SECONDCLICK7_STATUS_LEFT; + if (where == STATUS_RIGHT) + key = KEYC_SECONDCLICK7_STATUS_RIGHT; + if (where == STATUS_DEFAULT) + key = KEYC_SECONDCLICK7_STATUS_DEFAULT; + if (where == BORDER) + key = KEYC_SECONDCLICK7_BORDER; + break; + case MOUSE_BUTTON_8: + if (where == PANE) + key = KEYC_SECONDCLICK8_PANE; + if (where == STATUS) + key = KEYC_SECONDCLICK8_STATUS; + if (where == STATUS_LEFT) + key = KEYC_SECONDCLICK8_STATUS_LEFT; + if (where == STATUS_RIGHT) + key = KEYC_SECONDCLICK8_STATUS_RIGHT; + if (where == STATUS_DEFAULT) + key = KEYC_SECONDCLICK8_STATUS_DEFAULT; + if (where == BORDER) + key = KEYC_SECONDCLICK8_BORDER; + break; + case MOUSE_BUTTON_9: + if (where == PANE) + key = KEYC_SECONDCLICK9_PANE; + if (where == STATUS) + key = KEYC_SECONDCLICK9_STATUS; + if (where == STATUS_LEFT) + key = KEYC_SECONDCLICK9_STATUS_LEFT; + if (where == STATUS_RIGHT) + key = KEYC_SECONDCLICK9_STATUS_RIGHT; + if (where == STATUS_DEFAULT) + key = KEYC_SECONDCLICK9_STATUS_DEFAULT; + if (where == BORDER) + key = KEYC_SECONDCLICK9_BORDER; + break; + case MOUSE_BUTTON_10: + if (where == PANE) + key = KEYC_SECONDCLICK10_PANE; + if (where == STATUS) + key = KEYC_SECONDCLICK10_STATUS; + if (where == STATUS_LEFT) + key = KEYC_SECONDCLICK10_STATUS_LEFT; + if (where == STATUS_RIGHT) + key = KEYC_SECONDCLICK10_STATUS_RIGHT; + if (where == STATUS_DEFAULT) + key = KEYC_SECONDCLICK10_STATUS_DEFAULT; + if (where == BORDER) + key = KEYC_SECONDCLICK10_BORDER; + break; + case MOUSE_BUTTON_11: + if (where == PANE) + key = KEYC_SECONDCLICK11_PANE; + if (where == STATUS) + key = KEYC_SECONDCLICK11_STATUS; + if (where == STATUS_LEFT) + key = KEYC_SECONDCLICK11_STATUS_LEFT; + if (where == STATUS_RIGHT) + key = KEYC_SECONDCLICK11_STATUS_RIGHT; + if (where == STATUS_DEFAULT) + key = KEYC_SECONDCLICK11_STATUS_DEFAULT; + if (where == BORDER) + key = KEYC_SECONDCLICK11_BORDER; + break; + } + break; + case DOUBLE: + switch (MOUSE_BUTTONS(b)) { + case MOUSE_BUTTON_1: + if (where == PANE) + key = KEYC_DOUBLECLICK1_PANE; + if (where == STATUS) + key = KEYC_DOUBLECLICK1_STATUS; + if (where == STATUS_LEFT) + key = KEYC_DOUBLECLICK1_STATUS_LEFT; + if (where == STATUS_RIGHT) + key = KEYC_DOUBLECLICK1_STATUS_RIGHT; + if (where == STATUS_DEFAULT) + key = KEYC_DOUBLECLICK1_STATUS_DEFAULT; + if (where == BORDER) + key = KEYC_DOUBLECLICK1_BORDER; + break; + case MOUSE_BUTTON_2: + if (where == PANE) + key = KEYC_DOUBLECLICK2_PANE; + if (where == STATUS) + key = KEYC_DOUBLECLICK2_STATUS; + if (where == STATUS_LEFT) + key = KEYC_DOUBLECLICK2_STATUS_LEFT; + if (where == STATUS_RIGHT) + key = KEYC_DOUBLECLICK2_STATUS_RIGHT; + if (where == STATUS_DEFAULT) + key = KEYC_DOUBLECLICK2_STATUS_DEFAULT; + if (where == BORDER) + key = KEYC_DOUBLECLICK2_BORDER; + break; + case MOUSE_BUTTON_3: + if (where == PANE) + key = KEYC_DOUBLECLICK3_PANE; + if (where == STATUS) + key = KEYC_DOUBLECLICK3_STATUS; + if (where == STATUS_LEFT) + key = KEYC_DOUBLECLICK3_STATUS_LEFT; + if (where == STATUS_RIGHT) + key = KEYC_DOUBLECLICK3_STATUS_RIGHT; + if (where == STATUS_DEFAULT) + key = KEYC_DOUBLECLICK3_STATUS_DEFAULT; + if (where == BORDER) + key = KEYC_DOUBLECLICK3_BORDER; + break; + case MOUSE_BUTTON_6: + if (where == PANE) + key = KEYC_DOUBLECLICK6_PANE; + if (where == STATUS) + key = KEYC_DOUBLECLICK6_STATUS; + if (where == STATUS_LEFT) + key = KEYC_DOUBLECLICK6_STATUS_LEFT; + if (where == STATUS_RIGHT) + key = KEYC_DOUBLECLICK6_STATUS_RIGHT; + if (where == STATUS_DEFAULT) + key = KEYC_DOUBLECLICK6_STATUS_DEFAULT; + if (where == BORDER) + key = KEYC_DOUBLECLICK6_BORDER; + break; + case MOUSE_BUTTON_7: + if (where == PANE) + key = KEYC_DOUBLECLICK7_PANE; + if (where == STATUS) + key = KEYC_DOUBLECLICK7_STATUS; + if (where == STATUS_LEFT) + key = KEYC_DOUBLECLICK7_STATUS_LEFT; + if (where == STATUS_RIGHT) + key = KEYC_DOUBLECLICK7_STATUS_RIGHT; + if (where == STATUS_DEFAULT) + key = KEYC_DOUBLECLICK7_STATUS_DEFAULT; + if (where == BORDER) + key = KEYC_DOUBLECLICK7_BORDER; + break; + case MOUSE_BUTTON_8: + if (where == PANE) + key = KEYC_DOUBLECLICK8_PANE; + if (where == STATUS) + key = KEYC_DOUBLECLICK8_STATUS; + if (where == STATUS_LEFT) + key = KEYC_DOUBLECLICK8_STATUS_LEFT; + if (where == STATUS_RIGHT) + key = KEYC_DOUBLECLICK8_STATUS_RIGHT; + if (where == STATUS_DEFAULT) + key = KEYC_DOUBLECLICK8_STATUS_DEFAULT; + if (where == BORDER) + key = KEYC_DOUBLECLICK8_BORDER; + break; + case MOUSE_BUTTON_9: + if (where == PANE) + key = KEYC_DOUBLECLICK9_PANE; + if (where == STATUS) + key = KEYC_DOUBLECLICK9_STATUS; + if (where == STATUS_LEFT) + key = KEYC_DOUBLECLICK9_STATUS_LEFT; + if (where == STATUS_RIGHT) + key = KEYC_DOUBLECLICK9_STATUS_RIGHT; + if (where == STATUS_DEFAULT) + key = KEYC_DOUBLECLICK9_STATUS_DEFAULT; + if (where == BORDER) + key = KEYC_DOUBLECLICK9_BORDER; + break; + case MOUSE_BUTTON_10: + if (where == PANE) + key = KEYC_DOUBLECLICK10_PANE; + if (where == STATUS) + key = KEYC_DOUBLECLICK10_STATUS; + if (where == STATUS_LEFT) + key = KEYC_DOUBLECLICK10_STATUS_LEFT; + if (where == STATUS_RIGHT) + key = KEYC_DOUBLECLICK10_STATUS_RIGHT; + if (where == STATUS_DEFAULT) + key = KEYC_DOUBLECLICK10_STATUS_DEFAULT; + if (where == BORDER) + key = KEYC_DOUBLECLICK10_BORDER; + break; + case MOUSE_BUTTON_11: + if (where == PANE) + key = KEYC_DOUBLECLICK11_PANE; + if (where == STATUS) + key = KEYC_DOUBLECLICK11_STATUS; + if (where == STATUS_LEFT) + key = KEYC_DOUBLECLICK11_STATUS_LEFT; + if (where == STATUS_RIGHT) + key = KEYC_DOUBLECLICK11_STATUS_RIGHT; + if (where == STATUS_DEFAULT) + key = KEYC_DOUBLECLICK11_STATUS_DEFAULT; + if (where == BORDER) + key = KEYC_DOUBLECLICK11_BORDER; + break; + } + break; + case TRIPLE: + switch (MOUSE_BUTTONS(b)) { + case MOUSE_BUTTON_1: + if (where == PANE) + key = KEYC_TRIPLECLICK1_PANE; + if (where == STATUS) + key = KEYC_TRIPLECLICK1_STATUS; + if (where == STATUS_LEFT) + key = KEYC_TRIPLECLICK1_STATUS_LEFT; + if (where == STATUS_RIGHT) + key = KEYC_TRIPLECLICK1_STATUS_RIGHT; + if (where == STATUS_DEFAULT) + key = KEYC_TRIPLECLICK1_STATUS_DEFAULT; + if (where == BORDER) + key = KEYC_TRIPLECLICK1_BORDER; + break; + case MOUSE_BUTTON_2: + if (where == PANE) + key = KEYC_TRIPLECLICK2_PANE; + if (where == STATUS) + key = KEYC_TRIPLECLICK2_STATUS; + if (where == STATUS_LEFT) + key = KEYC_TRIPLECLICK2_STATUS_LEFT; + if (where == STATUS_RIGHT) + key = KEYC_TRIPLECLICK2_STATUS_RIGHT; + if (where == STATUS_DEFAULT) + key = KEYC_TRIPLECLICK2_STATUS_DEFAULT; + if (where == BORDER) + key = KEYC_TRIPLECLICK2_BORDER; + break; + case MOUSE_BUTTON_3: + if (where == PANE) + key = KEYC_TRIPLECLICK3_PANE; + if (where == STATUS) + key = KEYC_TRIPLECLICK3_STATUS; + if (where == STATUS_LEFT) + key = KEYC_TRIPLECLICK3_STATUS_LEFT; + if (where == STATUS_RIGHT) + key = KEYC_TRIPLECLICK3_STATUS_RIGHT; + if (where == STATUS_DEFAULT) + key = KEYC_TRIPLECLICK3_STATUS_DEFAULT; + if (where == BORDER) + key = KEYC_TRIPLECLICK3_BORDER; + break; + case MOUSE_BUTTON_6: + if (where == PANE) + key = KEYC_TRIPLECLICK6_PANE; + if (where == STATUS) + key = KEYC_TRIPLECLICK6_STATUS; + if (where == STATUS_LEFT) + key = KEYC_TRIPLECLICK6_STATUS_LEFT; + if (where == STATUS_RIGHT) + key = KEYC_TRIPLECLICK6_STATUS_RIGHT; + if (where == STATUS_DEFAULT) + key = KEYC_TRIPLECLICK6_STATUS_DEFAULT; + if (where == BORDER) + key = KEYC_TRIPLECLICK6_BORDER; + break; + case MOUSE_BUTTON_7: + if (where == PANE) + key = KEYC_TRIPLECLICK7_PANE; + if (where == STATUS) + key = KEYC_TRIPLECLICK7_STATUS; + if (where == STATUS_LEFT) + key = KEYC_TRIPLECLICK7_STATUS_LEFT; + if (where == STATUS_RIGHT) + key = KEYC_TRIPLECLICK7_STATUS_RIGHT; + if (where == STATUS_DEFAULT) + key = KEYC_TRIPLECLICK7_STATUS_DEFAULT; + if (where == BORDER) + key = KEYC_TRIPLECLICK7_BORDER; + break; + case MOUSE_BUTTON_8: + if (where == PANE) + key = KEYC_TRIPLECLICK8_PANE; + if (where == STATUS) + key = KEYC_TRIPLECLICK8_STATUS; + if (where == STATUS_LEFT) + key = KEYC_TRIPLECLICK8_STATUS_LEFT; + if (where == STATUS_RIGHT) + key = KEYC_TRIPLECLICK8_STATUS_RIGHT; + if (where == STATUS_DEFAULT) + key = KEYC_TRIPLECLICK8_STATUS_DEFAULT; + if (where == BORDER) + key = KEYC_TRIPLECLICK8_BORDER; + break; + case MOUSE_BUTTON_9: + if (where == PANE) + key = KEYC_TRIPLECLICK9_PANE; + if (where == STATUS) + key = KEYC_TRIPLECLICK9_STATUS; + if (where == STATUS_LEFT) + key = KEYC_TRIPLECLICK9_STATUS_LEFT; + if (where == STATUS_RIGHT) + key = KEYC_TRIPLECLICK9_STATUS_RIGHT; + if (where == STATUS_DEFAULT) + key = KEYC_TRIPLECLICK9_STATUS_DEFAULT; + if (where == BORDER) + key = KEYC_TRIPLECLICK9_BORDER; + break; + case MOUSE_BUTTON_10: + if (where == PANE) + key = KEYC_TRIPLECLICK10_PANE; + if (where == STATUS) + key = KEYC_TRIPLECLICK10_STATUS; + if (where == STATUS_LEFT) + key = KEYC_TRIPLECLICK10_STATUS_LEFT; + if (where == STATUS_RIGHT) + key = KEYC_TRIPLECLICK10_STATUS_RIGHT; + if (where == STATUS_DEFAULT) + key = KEYC_TRIPLECLICK10_STATUS_DEFAULT; + if (where == BORDER) + key = KEYC_TRIPLECLICK10_BORDER; + break; + case MOUSE_BUTTON_11: + if (where == PANE) + key = KEYC_TRIPLECLICK11_PANE; + if (where == STATUS) + key = KEYC_TRIPLECLICK11_STATUS; + if (where == STATUS_LEFT) + key = KEYC_TRIPLECLICK11_STATUS_LEFT; + if (where == STATUS_RIGHT) + key = KEYC_TRIPLECLICK11_STATUS_RIGHT; + if (where == STATUS_DEFAULT) + key = KEYC_TRIPLECLICK11_STATUS_DEFAULT; + if (where == BORDER) + key = KEYC_TRIPLECLICK11_BORDER; + break; + } + break; + } + if (key == KEYC_UNKNOWN) + return (KEYC_UNKNOWN); + +out: + /* Apply modifiers if any. */ + if (b & MOUSE_MASK_META) + key |= KEYC_META; + if (b & MOUSE_MASK_CTRL) + key |= KEYC_CTRL; + if (b & MOUSE_MASK_SHIFT) + key |= KEYC_SHIFT; + + if (log_get_level() != 0) + log_debug("mouse key is %s", key_string_lookup_key (key, 1)); + return (key); +} + +/* Is this fast enough to probably be a paste? */ +static int +server_client_assume_paste(struct session *s) +{ + struct timeval tv; + int t; + + if ((t = options_get_number(s->options, "assume-paste-time")) == 0) + return (0); + + timersub(&s->activity_time, &s->last_activity_time, &tv); + if (tv.tv_sec == 0 && tv.tv_usec < t * 1000) { + log_debug("session %s pasting (flag %d)", s->name, + !!(s->flags & SESSION_PASTING)); + if (s->flags & SESSION_PASTING) + return (1); + s->flags |= SESSION_PASTING; + return (0); + } + log_debug("session %s not pasting", s->name); + s->flags &= ~SESSION_PASTING; + return (0); +} + +/* Has the latest client changed? */ +static void +server_client_update_latest(struct client *c) +{ + struct window *w; + + if (c->session == NULL) + return; + w = c->session->curw->window; + + if (w->latest == c) + return; + w->latest = c; + + if (options_get_number(w->options, "window-size") == WINDOW_SIZE_LATEST) + recalculate_size(w, 0); + + notify_client("client-active", c); +} + +/* + * Handle data key input from client. This owns and can modify the key event it + * is given and is responsible for freeing it. + */ +static enum cmd_retval +server_client_key_callback(struct cmdq_item *item, void *data) +{ + struct client *c = cmdq_get_client(item); + struct key_event *event = data; + key_code key = event->key; + struct mouse_event *m = &event->m; + struct session *s = c->session; + struct winlink *wl; + struct window_pane *wp; + struct window_mode_entry *wme; + struct timeval tv; + struct key_table *table, *first; + struct key_binding *bd; + int xtimeout, flags; + struct cmd_find_state fs; + key_code key0; + + /* Check the client is good to accept input. */ + if (s == NULL || (c->flags & CLIENT_UNATTACHEDFLAGS)) + goto out; + wl = s->curw; + + /* Update the activity timer. */ + if (gettimeofday(&c->activity_time, NULL) != 0) + fatal("gettimeofday failed"); + session_update_activity(s, &c->activity_time); + + /* Check for mouse keys. */ + m->valid = 0; + if (key == KEYC_MOUSE || key == KEYC_DOUBLECLICK) { + if (c->flags & CLIENT_READONLY) + goto out; + key = server_client_check_mouse(c, event); + if (key == KEYC_UNKNOWN) + goto out; + + m->valid = 1; + m->key = key; + + /* + * Mouse drag is in progress, so fire the callback (now that + * the mouse event is valid). + */ + if ((key & KEYC_MASK_KEY) == KEYC_DRAGGING) { + c->tty.mouse_drag_update(c, m); + goto out; + } + event->key = key; + } + + /* Find affected pane. */ + if (!KEYC_IS_MOUSE(key) || cmd_find_from_mouse(&fs, m, 0) != 0) + cmd_find_from_client(&fs, c, 0); + wp = fs.wp; + + /* Forward mouse keys if disabled. */ + if (KEYC_IS_MOUSE(key) && !options_get_number(s->options, "mouse")) + goto forward_key; + + /* Treat everything as a regular key when pasting is detected. */ + if (!KEYC_IS_MOUSE(key) && server_client_assume_paste(s)) + goto forward_key; + + /* + * Work out the current key table. If the pane is in a mode, use + * the mode table instead of the default key table. + */ + if (server_client_is_default_key_table(c, c->keytable) && + wp != NULL && + (wme = TAILQ_FIRST(&wp->modes)) != NULL && + wme->mode->key_table != NULL) + table = key_bindings_get_table(wme->mode->key_table(wme), 1); + else + table = c->keytable; + first = table; + +table_changed: + /* + * The prefix always takes precedence and forces a switch to the prefix + * table, unless we are already there. + */ + key0 = (key & (KEYC_MASK_KEY|KEYC_MASK_MODIFIERS)); + if ((key0 == (key_code)options_get_number(s->options, "prefix") || + key0 == (key_code)options_get_number(s->options, "prefix2")) && + strcmp(table->name, "prefix") != 0) { + server_client_set_key_table(c, "prefix"); + server_status_client(c); + goto out; + } + flags = c->flags; + +try_again: + /* Log key table. */ + if (wp == NULL) + log_debug("key table %s (no pane)", table->name); + else + log_debug("key table %s (pane %%%u)", table->name, wp->id); + if (c->flags & CLIENT_REPEAT) + log_debug("currently repeating"); + + /* Try to see if there is a key binding in the current table. */ + bd = key_bindings_get(table, key0); + if (bd != NULL) { + /* + * Key was matched in this table. If currently repeating but a + * non-repeating binding was found, stop repeating and try + * again in the root table. + */ + if ((c->flags & CLIENT_REPEAT) && + (~bd->flags & KEY_BINDING_REPEAT)) { + log_debug("found in key table %s (not repeating)", + table->name); + server_client_set_key_table(c, NULL); + first = table = c->keytable; + c->flags &= ~CLIENT_REPEAT; + server_status_client(c); + goto table_changed; + } + log_debug("found in key table %s", table->name); + + /* + * Take a reference to this table to make sure the key binding + * doesn't disappear. + */ + table->references++; + + /* + * If this is a repeating key, start the timer. Otherwise reset + * the client back to the root table. + */ + xtimeout = options_get_number(s->options, "repeat-time"); + if (xtimeout != 0 && (bd->flags & KEY_BINDING_REPEAT)) { + c->flags |= CLIENT_REPEAT; + + tv.tv_sec = xtimeout / 1000; + tv.tv_usec = (xtimeout % 1000) * 1000L; + evtimer_del(&c->repeat_timer); + evtimer_add(&c->repeat_timer, &tv); + } else { + c->flags &= ~CLIENT_REPEAT; + server_client_set_key_table(c, NULL); + } + server_status_client(c); + + /* Execute the key binding. */ + key_bindings_dispatch(bd, item, c, event, &fs); + key_bindings_unref_table(table); + goto out; + } + + /* + * No match, try the ANY key. + */ + if (key0 != KEYC_ANY) { + key0 = KEYC_ANY; + goto try_again; + } + + /* + * No match in this table. If not in the root table or if repeating, + * switch the client back to the root table and try again. + */ + log_debug("not found in key table %s", table->name); + if (!server_client_is_default_key_table(c, table) || + (c->flags & CLIENT_REPEAT)) { + log_debug("trying in root table"); + server_client_set_key_table(c, NULL); + table = c->keytable; + if (c->flags & CLIENT_REPEAT) + first = table; + c->flags &= ~CLIENT_REPEAT; + server_status_client(c); + goto table_changed; + } + + /* + * No match in the root table either. If this wasn't the first table + * tried, don't pass the key to the pane. + */ + if (first != table && (~flags & CLIENT_REPEAT)) { + server_client_set_key_table(c, NULL); + server_status_client(c); + goto out; + } + +forward_key: + if (c->flags & CLIENT_READONLY) + goto out; + if (wp != NULL) + window_pane_key(wp, c, s, wl, key, m); + +out: + if (s != NULL && key != KEYC_FOCUS_OUT) + server_client_update_latest(c); + free(event); + return (CMD_RETURN_NORMAL); +} + +/* Handle a key event. */ +int +server_client_handle_key(struct client *c, struct key_event *event) +{ + struct session *s = c->session; + struct cmdq_item *item; + + /* Check the client is good to accept input. */ + if (s == NULL || (c->flags & CLIENT_UNATTACHEDFLAGS)) + return (0); + + /* + * Key presses in overlay mode and the command prompt are a special + * case. The queue might be blocked so they need to be processed + * immediately rather than queued. + */ + if (~c->flags & CLIENT_READONLY) { + if (c->message_string != NULL) { + if (c->message_ignore_keys) + return (0); + status_message_clear(c); + } + if (c->overlay_key != NULL) { + switch (c->overlay_key(c, c->overlay_data, event)) { + case 0: + return (0); + case 1: + server_client_clear_overlay(c); + return (0); + } + } + server_client_clear_overlay(c); + if (c->prompt_string != NULL) { + if (status_prompt_key(c, event->key) == 0) + return (0); + } + } + + /* + * Add the key to the queue so it happens after any commands queued by + * previous keys. + */ + item = cmdq_get_callback(server_client_key_callback, event); + cmdq_append(c, item); + return (1); +} + +/* Client functions that need to happen every loop. */ +void +server_client_loop(void) +{ + struct client *c; + struct window *w; + struct window_pane *wp; + + /* Check for window resize. This is done before redrawing. */ + RB_FOREACH(w, windows, &windows) + server_client_check_window_resize(w); + + /* Check clients. */ + TAILQ_FOREACH(c, &clients, entry) { + server_client_check_exit(c); + if (c->session != NULL) { + server_client_check_modes(c); + server_client_check_redraw(c); + server_client_reset_state(c); + } + } + + /* + * Any windows will have been redrawn as part of clients, so clear + * their flags now. + */ + RB_FOREACH(w, windows, &windows) { + TAILQ_FOREACH(wp, &w->panes, entry) { + if (wp->fd != -1) { + server_client_check_pane_resize(wp); + server_client_check_pane_buffer(wp); + } + wp->flags &= ~PANE_REDRAW; + } + check_window_name(w); + } +} + +/* Check if window needs to be resized. */ +static void +server_client_check_window_resize(struct window *w) +{ + struct winlink *wl; + + if (~w->flags & WINDOW_RESIZE) + return; + + TAILQ_FOREACH(wl, &w->winlinks, wentry) { + if (wl->session->attached != 0 && wl->session->curw == wl) + break; + } + if (wl == NULL) + return; + + log_debug("%s: resizing window @%u", __func__, w->id); + resize_window(w, w->new_sx, w->new_sy, w->new_xpixel, w->new_ypixel); +} + +/* Resize timer event. */ +static void +server_client_resize_timer(__unused int fd, __unused short events, void *data) +{ + struct window_pane *wp = data; + + log_debug("%s: %%%u resize timer expired", __func__, wp->id); + evtimer_del(&wp->resize_timer); +} + +/* Check if pane should be resized. */ +static void +server_client_check_pane_resize(struct window_pane *wp) +{ + struct window_pane_resize *r; + struct window_pane_resize *r1; + struct window_pane_resize *first; + struct window_pane_resize *last; + struct timeval tv = { .tv_usec = 250000 }; + + if (TAILQ_EMPTY(&wp->resize_queue)) + return; + + if (!event_initialized(&wp->resize_timer)) + evtimer_set(&wp->resize_timer, server_client_resize_timer, wp); + if (evtimer_pending(&wp->resize_timer, NULL)) + return; + + log_debug("%s: %%%u needs to be resized", __func__, wp->id); + TAILQ_FOREACH(r, &wp->resize_queue, entry) { + log_debug("queued resize: %ux%u -> %ux%u", r->osx, r->osy, + r->sx, r->sy); + } + + /* + * There are three cases that matter: + * + * - Only one resize. It can just be applied. + * + * - Multiple resizes and the ending size is different from the + * starting size. We can discard all resizes except the most recent. + * + * - Multiple resizes and the ending size is the same as the starting + * size. We must resize at least twice to force the application to + * redraw. So apply the first and leave the last on the queue for + * next time. + */ + first = TAILQ_FIRST(&wp->resize_queue); + last = TAILQ_LAST(&wp->resize_queue, window_pane_resizes); + if (first == last) { + /* Only one resize. */ + window_pane_send_resize(wp, first->sx, first->sy); + TAILQ_REMOVE(&wp->resize_queue, first, entry); + free(first); + } else if (last->sx != first->osx || last->sy != first->osy) { + /* Multiple resizes ending up with a different size. */ + window_pane_send_resize(wp, last->sx, last->sy); + TAILQ_FOREACH_SAFE(r, &wp->resize_queue, entry, r1) { + TAILQ_REMOVE(&wp->resize_queue, r, entry); + free(r); + } + } else { + /* + * Multiple resizes ending up with the same size. There will + * not be more than one to the same size in succession so we + * can just use the last-but-one on the list and leave the last + * for later. We reduce the time until the next check to avoid + * a long delay between the resizes. + */ + r = TAILQ_PREV(last, window_pane_resizes, entry); + window_pane_send_resize(wp, r->sx, r->sy); + TAILQ_FOREACH_SAFE(r, &wp->resize_queue, entry, r1) { + if (r == last) + break; + TAILQ_REMOVE(&wp->resize_queue, r, entry); + free(r); + } + tv.tv_usec = 10000; + } + evtimer_add(&wp->resize_timer, &tv); +} + +/* Check pane buffer size. */ +static void +server_client_check_pane_buffer(struct window_pane *wp) +{ + struct evbuffer *evb = wp->event->input; + size_t minimum; + struct client *c; + struct window_pane_offset *wpo; + int off = 1, flag; + u_int attached_clients = 0; + size_t new_size; + + /* + * Work out the minimum used size. This is the most that can be removed + * from the buffer. + */ + minimum = wp->offset.used; + if (wp->pipe_fd != -1 && wp->pipe_offset.used < minimum) + minimum = wp->pipe_offset.used; + TAILQ_FOREACH(c, &clients, entry) { + if (c->session == NULL) + continue; + attached_clients++; + + if (~c->flags & CLIENT_CONTROL) { + off = 0; + continue; + } + wpo = control_pane_offset(c, wp, &flag); + if (wpo == NULL) { + off = 0; + continue; + } + if (!flag) + off = 0; + + window_pane_get_new_data(wp, wpo, &new_size); + log_debug("%s: %s has %zu bytes used and %zu left for %%%u", + __func__, c->name, wpo->used - wp->base_offset, new_size, + wp->id); + if (wpo->used < minimum) + minimum = wpo->used; + } + if (attached_clients == 0) + off = 0; + minimum -= wp->base_offset; + if (minimum == 0) + goto out; + + /* Drain the buffer. */ + log_debug("%s: %%%u has %zu minimum (of %zu) bytes used", __func__, + wp->id, minimum, EVBUFFER_LENGTH(evb)); + evbuffer_drain(evb, minimum); + + /* + * Adjust the base offset. If it would roll over, all the offsets into + * the buffer need to be adjusted. + */ + if (wp->base_offset > SIZE_MAX - minimum) { + log_debug("%s: %%%u base offset has wrapped", __func__, wp->id); + wp->offset.used -= wp->base_offset; + if (wp->pipe_fd != -1) + wp->pipe_offset.used -= wp->base_offset; + TAILQ_FOREACH(c, &clients, entry) { + if (c->session == NULL || (~c->flags & CLIENT_CONTROL)) + continue; + wpo = control_pane_offset(c, wp, &flag); + if (wpo != NULL && !flag) + wpo->used -= wp->base_offset; + } + wp->base_offset = minimum; + } else + wp->base_offset += minimum; + +out: + /* + * If there is data remaining, and there are no clients able to consume + * it, do not read any more. This is true when there are attached + * clients, all of which are control clients which are not able to + * accept any more data. + */ + log_debug("%s: pane %%%u is %s", __func__, wp->id, off ? "off" : "on"); + if (off) + bufferevent_disable(wp->event, EV_READ); + else + bufferevent_enable(wp->event, EV_READ); +} + +/* + * Update cursor position and mode settings. The scroll region and attributes + * are cleared when idle (waiting for an event) as this is the most likely time + * a user may interrupt tmux, for example with ~^Z in ssh(1). This is a + * compromise between excessive resets and likelihood of an interrupt. + * + * tty_region/tty_reset/tty_update_mode already take care of not resetting + * things that are already in their default state. + */ +static void +server_client_reset_state(struct client *c) +{ + struct tty *tty = &c->tty; + struct window *w = c->session->curw->window; + struct window_pane *wp = server_client_get_pane(c), *loop; + struct screen *s = NULL; + struct options *oo = c->session->options; + int mode = 0, cursor, flags, n; + u_int cx = 0, cy = 0, ox, oy, sx, sy; + + if (c->flags & (CLIENT_CONTROL|CLIENT_SUSPENDED)) + return; + + /* Disable the block flag. */ + flags = (tty->flags & TTY_BLOCK); + tty->flags &= ~TTY_BLOCK; + + /* Get mode from overlay if any, else from screen. */ + if (c->overlay_draw != NULL) { + if (c->overlay_mode != NULL) + s = c->overlay_mode(c, c->overlay_data, &cx, &cy); + } else + s = wp->screen; + if (s != NULL) + mode = s->mode; + if (log_get_level() != 0) { + log_debug("%s: client %s mode %s", __func__, c->name, + screen_mode_to_string(mode)); + } + + /* Reset region and margin. */ + tty_region_off(tty); + tty_margin_off(tty); + + /* Move cursor to pane cursor and offset. */ + if (c->prompt_string != NULL) { + n = options_get_number(c->session->options, "status-position"); + if (n == 0) + cy = 0; + else { + n = status_line_size(c); + if (n == 0) + cy = tty->sy - 1; + else + cy = tty->sy - n; + } + cx = c->prompt_cursor; + mode &= ~MODE_CURSOR; + } else if (c->overlay_draw == NULL) { + cursor = 0; + tty_window_offset(tty, &ox, &oy, &sx, &sy); + if (wp->xoff + s->cx >= ox && wp->xoff + s->cx <= ox + sx && + wp->yoff + s->cy >= oy && wp->yoff + s->cy <= oy + sy) { + cursor = 1; + + cx = wp->xoff + s->cx - ox; + cy = wp->yoff + s->cy - oy; + + if (status_at_line(c) == 0) + cy += status_line_size(c); + } + if (!cursor) + mode &= ~MODE_CURSOR; + } + log_debug("%s: cursor to %u,%u", __func__, cx, cy); + tty_cursor(tty, cx, cy); + + /* + * Set mouse mode if requested. To support dragging, always use button + * mode. + */ + if (options_get_number(oo, "mouse")) { + if (c->overlay_draw == NULL) { + mode &= ~ALL_MOUSE_MODES; + TAILQ_FOREACH(loop, &w->panes, entry) { + if (loop->screen->mode & MODE_MOUSE_ALL) + mode |= MODE_MOUSE_ALL; + } + } + if (~mode & MODE_MOUSE_ALL) + mode |= MODE_MOUSE_BUTTON; + } + + /* Clear bracketed paste mode if at the prompt. */ + if (c->overlay_draw == NULL && c->prompt_string != NULL) + mode &= ~MODE_BRACKETPASTE; + + /* Set the terminal mode and reset attributes. */ + tty_update_mode(tty, mode, s); + tty_reset(tty); + + /* All writing must be done, send a sync end (if it was started). */ + tty_sync_end(tty); + tty->flags |= flags; +} + +/* Repeat time callback. */ +static void +server_client_repeat_timer(__unused int fd, __unused short events, void *data) +{ + struct client *c = data; + + if (c->flags & CLIENT_REPEAT) { + server_client_set_key_table(c, NULL); + c->flags &= ~CLIENT_REPEAT; + server_status_client(c); + } +} + +/* Double-click callback. */ +static void +server_client_click_timer(__unused int fd, __unused short events, void *data) +{ + struct client *c = data; + struct key_event *event; + + log_debug("click timer expired"); + + if (c->flags & CLIENT_TRIPLECLICK) { + /* + * Waiting for a third click that hasn't happened, so this must + * have been a double click. + */ + event = xmalloc(sizeof *event); + event->key = KEYC_DOUBLECLICK; + memcpy(&event->m, &c->click_event, sizeof event->m); + if (!server_client_handle_key(c, event)) + free(event); + } + c->flags &= ~(CLIENT_DOUBLECLICK|CLIENT_TRIPLECLICK); +} + +/* Check if client should be exited. */ +static void +server_client_check_exit(struct client *c) +{ + struct client_file *cf; + const char *name = c->exit_session; + char *data; + size_t size, msize; + + if (c->flags & (CLIENT_DEAD|CLIENT_EXITED)) + return; + if (~c->flags & CLIENT_EXIT) + return; + + if (c->flags & CLIENT_CONTROL) { + control_discard(c); + if (!control_all_done(c)) + return; + } + RB_FOREACH(cf, client_files, &c->files) { + if (EVBUFFER_LENGTH(cf->buffer) != 0) + return; + } + c->flags |= CLIENT_EXITED; + + switch (c->exit_type) { + case CLIENT_EXIT_RETURN: + if (c->exit_message != NULL) + msize = strlen(c->exit_message) + 1; + else + msize = 0; + size = (sizeof c->retval) + msize; + data = xmalloc(size); + memcpy(data, &c->retval, sizeof c->retval); + if (c->exit_message != NULL) + memcpy(data + sizeof c->retval, c->exit_message, msize); + proc_send(c->peer, MSG_EXIT, -1, data, size); + free(data); + break; + case CLIENT_EXIT_SHUTDOWN: + proc_send(c->peer, MSG_SHUTDOWN, -1, NULL, 0); + break; + case CLIENT_EXIT_DETACH: + proc_send(c->peer, c->exit_msgtype, -1, name, strlen(name) + 1); + break; + } + free(c->exit_session); + free(c->exit_message); +} + +/* Redraw timer callback. */ +static void +server_client_redraw_timer(__unused int fd, __unused short events, + __unused void *data) +{ + log_debug("redraw timer fired"); +} + +/* + * Check if modes need to be updated. Only modes in the current window are + * updated and it is done when the status line is redrawn. + */ +static void +server_client_check_modes(struct client *c) +{ + struct window *w = c->session->curw->window; + struct window_pane *wp; + struct window_mode_entry *wme; + + if (c->flags & (CLIENT_CONTROL|CLIENT_SUSPENDED)) + return; + if (~c->flags & CLIENT_REDRAWSTATUS) + return; + TAILQ_FOREACH(wp, &w->panes, entry) { + wme = TAILQ_FIRST(&wp->modes); + if (wme != NULL && wme->mode->update != NULL) + wme->mode->update(wme); + } +} + +/* Check for client redraws. */ +static void +server_client_check_redraw(struct client *c) +{ + struct session *s = c->session; + struct tty *tty = &c->tty; + struct window *w = c->session->curw->window; + struct window_pane *wp; + int needed, flags, mode = tty->mode, new_flags = 0; + int redraw; + u_int bit = 0; + struct timeval tv = { .tv_usec = 1000 }; + static struct event ev; + size_t left; + + if (c->flags & (CLIENT_CONTROL|CLIENT_SUSPENDED)) + return; + if (c->flags & CLIENT_ALLREDRAWFLAGS) { + log_debug("%s: redraw%s%s%s%s%s", c->name, + (c->flags & CLIENT_REDRAWWINDOW) ? " window" : "", + (c->flags & CLIENT_REDRAWSTATUS) ? " status" : "", + (c->flags & CLIENT_REDRAWBORDERS) ? " borders" : "", + (c->flags & CLIENT_REDRAWOVERLAY) ? " overlay" : "", + (c->flags & CLIENT_REDRAWPANES) ? " panes" : ""); + } + + /* + * If there is outstanding data, defer the redraw until it has been + * consumed. We can just add a timer to get out of the event loop and + * end up back here. + */ + needed = 0; + if (c->flags & CLIENT_ALLREDRAWFLAGS) + needed = 1; + else { + TAILQ_FOREACH(wp, &w->panes, entry) { + if (wp->flags & PANE_REDRAW) { + needed = 1; + break; + } + } + if (needed) + new_flags |= CLIENT_REDRAWPANES; + } + if (needed && (left = EVBUFFER_LENGTH(tty->out)) != 0) { + log_debug("%s: redraw deferred (%zu left)", c->name, left); + if (!evtimer_initialized(&ev)) + evtimer_set(&ev, server_client_redraw_timer, NULL); + if (!evtimer_pending(&ev, NULL)) { + log_debug("redraw timer started"); + evtimer_add(&ev, &tv); + } + + if (~c->flags & CLIENT_REDRAWWINDOW) { + TAILQ_FOREACH(wp, &w->panes, entry) { + if (wp->flags & PANE_REDRAW) { + log_debug("%s: pane %%%u needs redraw", + c->name, wp->id); + c->redraw_panes |= (1 << bit); + } + if (++bit == 64) { + /* + * If more that 64 panes, give up and + * just redraw the window. + */ + new_flags &= CLIENT_REDRAWPANES; + new_flags |= CLIENT_REDRAWWINDOW; + break; + } + } + if (c->redraw_panes != 0) + c->flags |= CLIENT_REDRAWPANES; + } + c->flags |= new_flags; + return; + } else if (needed) + log_debug("%s: redraw needed", c->name); + + flags = tty->flags & (TTY_BLOCK|TTY_FREEZE|TTY_NOCURSOR); + tty->flags = (tty->flags & ~(TTY_BLOCK|TTY_FREEZE))|TTY_NOCURSOR; + + if (~c->flags & CLIENT_REDRAWWINDOW) { + /* + * If not redrawing the entire window, check whether each pane + * needs to be redrawn. + */ + TAILQ_FOREACH(wp, &w->panes, entry) { + redraw = 0; + if (wp->flags & PANE_REDRAW) + redraw = 1; + else if (c->flags & CLIENT_REDRAWPANES) + redraw = !!(c->redraw_panes & (1 << bit)); + bit++; + if (!redraw) + continue; + log_debug("%s: redrawing pane %%%u", __func__, wp->id); + screen_redraw_pane(c, wp); + } + c->redraw_panes = 0; + c->flags &= ~CLIENT_REDRAWPANES; + } + + if (c->flags & CLIENT_ALLREDRAWFLAGS) { + if (options_get_number(s->options, "set-titles")) { + server_client_set_title(c); + server_client_set_path(c); + } + screen_redraw_screen(c); + } + + tty->flags = (tty->flags & ~TTY_NOCURSOR)|(flags & TTY_NOCURSOR); + tty_update_mode(tty, mode, NULL); + tty->flags = (tty->flags & ~(TTY_BLOCK|TTY_FREEZE|TTY_NOCURSOR))|flags; + + c->flags &= ~(CLIENT_ALLREDRAWFLAGS|CLIENT_STATUSFORCE); + + if (needed) { + /* + * We would have deferred the redraw unless the output buffer + * was empty, so we can record how many bytes the redraw + * generated. + */ + c->redraw = EVBUFFER_LENGTH(tty->out); + log_debug("%s: redraw added %zu bytes", c->name, c->redraw); + } +} + +/* Set client title. */ +static void +server_client_set_title(struct client *c) +{ + struct session *s = c->session; + const char *template; + char *title; + struct format_tree *ft; + + template = options_get_string(s->options, "set-titles-string"); + + ft = format_create(c, NULL, FORMAT_NONE, 0); + format_defaults(ft, c, NULL, NULL, NULL); + + title = format_expand_time(ft, template); + if (c->title == NULL || strcmp(title, c->title) != 0) { + free(c->title); + c->title = xstrdup(title); + tty_set_title(&c->tty, c->title); + } + free(title); + + format_free(ft); +} + +/* Set client path. */ +static void +server_client_set_path(struct client *c) +{ + struct session *s = c->session; + const char *path; + + if (s->curw == NULL) + return; + if (s->curw->window->active->base.path == NULL) + path = ""; + else + path = s->curw->window->active->base.path; + if (c->path == NULL || strcmp(path, c->path) != 0) { + free(c->path); + c->path = xstrdup(path); + tty_set_path(&c->tty, c->path); + } +} + +/* Dispatch message from client. */ +static void +server_client_dispatch(struct imsg *imsg, void *arg) +{ + struct client *c = arg; + ssize_t datalen; + struct session *s; + + if (c->flags & CLIENT_DEAD) + return; + + if (imsg == NULL) { + server_client_lost(c); + return; + } + + datalen = imsg->hdr.len - IMSG_HEADER_SIZE; + + switch (imsg->hdr.type) { + case MSG_IDENTIFY_CLIENTPID: + case MSG_IDENTIFY_CWD: + case MSG_IDENTIFY_ENVIRON: + case MSG_IDENTIFY_FEATURES: + case MSG_IDENTIFY_FLAGS: + case MSG_IDENTIFY_LONGFLAGS: + case MSG_IDENTIFY_STDIN: + case MSG_IDENTIFY_STDOUT: + case MSG_IDENTIFY_TERM: + case MSG_IDENTIFY_TERMINFO: + case MSG_IDENTIFY_TTYNAME: + case MSG_IDENTIFY_DONE: + server_client_dispatch_identify(c, imsg); + break; + case MSG_COMMAND: + server_client_dispatch_command(c, imsg); + break; + case MSG_RESIZE: + if (datalen != 0) + fatalx("bad MSG_RESIZE size"); + + if (c->flags & CLIENT_CONTROL) + break; + server_client_update_latest(c); + tty_resize(&c->tty); + recalculate_sizes(); + if (c->overlay_resize == NULL) + server_client_clear_overlay(c); + else + c->overlay_resize(c, c->overlay_data); + server_redraw_client(c); + if (c->session != NULL) + notify_client("client-resized", c); + break; + case MSG_EXITING: + if (datalen != 0) + fatalx("bad MSG_EXITING size"); + server_client_set_session(c, NULL); + recalculate_sizes(); + tty_close(&c->tty); + proc_send(c->peer, MSG_EXITED, -1, NULL, 0); + break; + case MSG_WAKEUP: + case MSG_UNLOCK: + if (datalen != 0) + fatalx("bad MSG_WAKEUP size"); + + if (!(c->flags & CLIENT_SUSPENDED)) + break; + c->flags &= ~CLIENT_SUSPENDED; + + if (c->fd == -1 || c->session == NULL) /* exited already */ + break; + s = c->session; + + if (gettimeofday(&c->activity_time, NULL) != 0) + fatal("gettimeofday failed"); + + tty_start_tty(&c->tty); + server_redraw_client(c); + recalculate_sizes(); + + if (s != NULL) + session_update_activity(s, &c->activity_time); + break; + case MSG_SHELL: + if (datalen != 0) + fatalx("bad MSG_SHELL size"); + + server_client_dispatch_shell(c); + break; + case MSG_WRITE_READY: + file_write_ready(&c->files, imsg); + break; + case MSG_READ: + file_read_data(&c->files, imsg); + break; + case MSG_READ_DONE: + file_read_done(&c->files, imsg); + break; + } +} + +/* Callback when command is not allowed. */ +static enum cmd_retval +server_client_read_only(struct cmdq_item *item, __unused void *data) +{ + cmdq_error(item, "client is read-only"); + return (CMD_RETURN_ERROR); +} + +/* Callback when command is done. */ +static enum cmd_retval +server_client_command_done(struct cmdq_item *item, __unused void *data) +{ + struct client *c = cmdq_get_client(item); + + if (~c->flags & CLIENT_ATTACHED) + c->flags |= CLIENT_EXIT; + else if (~c->flags & CLIENT_EXIT) + tty_send_requests(&c->tty); + return (CMD_RETURN_NORMAL); +} + +/* Handle command message. */ +static void +server_client_dispatch_command(struct client *c, struct imsg *imsg) +{ + struct msg_command data; + char *buf; + size_t len; + int argc; + char **argv, *cause; + struct cmd_parse_result *pr; + struct args_value *values; + struct cmdq_item *new_item; + + if (c->flags & CLIENT_EXIT) + return; + + if (imsg->hdr.len - IMSG_HEADER_SIZE < sizeof data) + fatalx("bad MSG_COMMAND size"); + memcpy(&data, imsg->data, sizeof data); + + buf = (char *)imsg->data + sizeof data; + len = imsg->hdr.len - IMSG_HEADER_SIZE - sizeof data; + if (len > 0 && buf[len - 1] != '\0') + fatalx("bad MSG_COMMAND string"); + + argc = data.argc; + if (cmd_unpack_argv(buf, len, argc, &argv) != 0) { + cause = xstrdup("command too long"); + goto error; + } + + if (argc == 0) { + argc = 1; + argv = xcalloc(1, sizeof *argv); + *argv = xstrdup("new-session"); + } + + values = args_from_vector(argc, argv); + pr = cmd_parse_from_arguments(values, argc, NULL); + switch (pr->status) { + case CMD_PARSE_ERROR: + cause = pr->error; + goto error; + case CMD_PARSE_SUCCESS: + break; + } + args_free_values(values, argc); + free(values); + cmd_free_argv(argc, argv); + + if ((c->flags & CLIENT_READONLY) && + !cmd_list_all_have(pr->cmdlist, CMD_READONLY)) + new_item = cmdq_get_callback(server_client_read_only, NULL); + else + new_item = cmdq_get_command(pr->cmdlist, NULL); + cmdq_append(c, new_item); + cmdq_append(c, cmdq_get_callback(server_client_command_done, NULL)); + + cmd_list_free(pr->cmdlist); + return; + +error: + cmd_free_argv(argc, argv); + + cmdq_append(c, cmdq_get_error(cause)); + free(cause); + + c->flags |= CLIENT_EXIT; +} + +/* Handle identify message. */ +static void +server_client_dispatch_identify(struct client *c, struct imsg *imsg) +{ + const char *data, *home; + size_t datalen; + int flags, feat; + uint64_t longflags; + char *name; + + if (c->flags & CLIENT_IDENTIFIED) + fatalx("out-of-order identify message"); + + data = imsg->data; + datalen = imsg->hdr.len - IMSG_HEADER_SIZE; + + switch (imsg->hdr.type) { + case MSG_IDENTIFY_FEATURES: + if (datalen != sizeof feat) + fatalx("bad MSG_IDENTIFY_FEATURES size"); + memcpy(&feat, data, sizeof feat); + c->term_features |= feat; + log_debug("client %p IDENTIFY_FEATURES %s", c, + tty_get_features(feat)); + break; + case MSG_IDENTIFY_FLAGS: + if (datalen != sizeof flags) + fatalx("bad MSG_IDENTIFY_FLAGS size"); + memcpy(&flags, data, sizeof flags); + c->flags |= flags; + log_debug("client %p IDENTIFY_FLAGS %#x", c, flags); + break; + case MSG_IDENTIFY_LONGFLAGS: + if (datalen != sizeof longflags) + fatalx("bad MSG_IDENTIFY_LONGFLAGS size"); + memcpy(&longflags, data, sizeof longflags); + c->flags |= longflags; + log_debug("client %p IDENTIFY_LONGFLAGS %#llx", c, + (unsigned long long)longflags); + break; + case MSG_IDENTIFY_TERM: + if (datalen == 0 || data[datalen - 1] != '\0') + fatalx("bad MSG_IDENTIFY_TERM string"); + if (*data == '\0') + c->term_name = xstrdup("unknown"); + else + c->term_name = xstrdup(data); + log_debug("client %p IDENTIFY_TERM %s", c, data); + break; + case MSG_IDENTIFY_TERMINFO: + if (datalen == 0 || data[datalen - 1] != '\0') + fatalx("bad MSG_IDENTIFY_TERMINFO string"); + c->term_caps = xreallocarray(c->term_caps, c->term_ncaps + 1, + sizeof *c->term_caps); + c->term_caps[c->term_ncaps++] = xstrdup(data); + log_debug("client %p IDENTIFY_TERMINFO %s", c, data); + break; + case MSG_IDENTIFY_TTYNAME: + if (datalen == 0 || data[datalen - 1] != '\0') + fatalx("bad MSG_IDENTIFY_TTYNAME string"); + c->ttyname = xstrdup(data); + log_debug("client %p IDENTIFY_TTYNAME %s", c, data); + break; + case MSG_IDENTIFY_CWD: + if (datalen == 0 || data[datalen - 1] != '\0') + fatalx("bad MSG_IDENTIFY_CWD string"); + if (access(data, X_OK) == 0) + c->cwd = xstrdup(data); + else if ((home = find_home()) != NULL) + c->cwd = xstrdup(home); + else + c->cwd = xstrdup("/"); + log_debug("client %p IDENTIFY_CWD %s", c, data); + break; + case MSG_IDENTIFY_STDIN: + if (datalen != 0) + fatalx("bad MSG_IDENTIFY_STDIN size"); + c->fd = imsg->fd; + log_debug("client %p IDENTIFY_STDIN %d", c, imsg->fd); + break; + case MSG_IDENTIFY_STDOUT: + if (datalen != 0) + fatalx("bad MSG_IDENTIFY_STDOUT size"); + c->out_fd = imsg->fd; + log_debug("client %p IDENTIFY_STDOUT %d", c, imsg->fd); + break; + case MSG_IDENTIFY_ENVIRON: + if (datalen == 0 || data[datalen - 1] != '\0') + fatalx("bad MSG_IDENTIFY_ENVIRON string"); + if (strchr(data, '=') != NULL) + environ_put(c->environ, data, 0); + log_debug("client %p IDENTIFY_ENVIRON %s", c, data); + break; + case MSG_IDENTIFY_CLIENTPID: + if (datalen != sizeof c->pid) + fatalx("bad MSG_IDENTIFY_CLIENTPID size"); + memcpy(&c->pid, data, sizeof c->pid); + log_debug("client %p IDENTIFY_CLIENTPID %ld", c, (long)c->pid); + break; + default: + break; + } + + if (imsg->hdr.type != MSG_IDENTIFY_DONE) + return; + c->flags |= CLIENT_IDENTIFIED; + + if (*c->ttyname != '\0') + name = xstrdup(c->ttyname); + else + xasprintf(&name, "client-%ld", (long)c->pid); + c->name = name; + log_debug("client %p name is %s", c, c->name); + +#ifdef __CYGWIN__ + c->fd = open(c->ttyname, O_RDWR|O_NOCTTY); +#endif + + if (c->flags & CLIENT_CONTROL) + control_start(c); + else if (c->fd != -1) { + if (tty_init(&c->tty, c) != 0) { + close(c->fd); + c->fd = -1; + } else { + tty_resize(&c->tty); + c->flags |= CLIENT_TERMINAL; + } + close(c->out_fd); + c->out_fd = -1; + } + + /* + * If this is the first client, load configuration files. Any later + * clients are allowed to continue with their command even if the + * config has not been loaded - they might have been run from inside it + */ + if ((~c->flags & CLIENT_EXIT) && + !cfg_finished && + c == TAILQ_FIRST(&clients)) + start_cfg(); +} + +/* Handle shell message. */ +static void +server_client_dispatch_shell(struct client *c) +{ + const char *shell; + + shell = options_get_string(global_s_options, "default-shell"); + if (!checkshell(shell)) + shell = _PATH_BSHELL; + proc_send(c->peer, MSG_SHELL, -1, shell, strlen(shell) + 1); + + proc_kill_peer(c->peer); +} + +/* Get client working directory. */ +const char * +server_client_get_cwd(struct client *c, struct session *s) +{ + const char *home; + + if (!cfg_finished && cfg_client != NULL) + return (cfg_client->cwd); + if (c != NULL && c->session == NULL && c->cwd != NULL) + return (c->cwd); + if (s != NULL && s->cwd != NULL) + return (s->cwd); + if (c != NULL && (s = c->session) != NULL && s->cwd != NULL) + return (s->cwd); + if ((home = find_home()) != NULL) + return (home); + return ("/"); +} + +/* Get control client flags. */ +static uint64_t +server_client_control_flags(struct client *c, const char *next) +{ + if (strcmp(next, "pause-after") == 0) { + c->pause_age = 0; + return (CLIENT_CONTROL_PAUSEAFTER); + } + if (sscanf(next, "pause-after=%u", &c->pause_age) == 1) { + c->pause_age *= 1000; + return (CLIENT_CONTROL_PAUSEAFTER); + } + if (strcmp(next, "no-output") == 0) + return (CLIENT_CONTROL_NOOUTPUT); + if (strcmp(next, "wait-exit") == 0) + return (CLIENT_CONTROL_WAITEXIT); + return (0); +} + +/* Set client flags. */ +void +server_client_set_flags(struct client *c, const char *flags) +{ + char *s, *copy, *next; + uint64_t flag; + int not; + + s = copy = xstrdup(flags); + while ((next = strsep(&s, ",")) != NULL) { + not = (*next == '!'); + if (not) + next++; + + if (c->flags & CLIENT_CONTROL) + flag = server_client_control_flags(c, next); + else + flag = 0; + if (strcmp(next, "read-only") == 0) + flag = CLIENT_READONLY; + else if (strcmp(next, "ignore-size") == 0) + flag = CLIENT_IGNORESIZE; + else if (strcmp(next, "active-pane") == 0) + flag = CLIENT_ACTIVEPANE; + if (flag == 0) + continue; + + log_debug("client %s set flag %s", c->name, next); + if (not) { + if (c->flags & CLIENT_READONLY) + flag &= ~CLIENT_READONLY; + c->flags &= ~flag; + } else + c->flags |= flag; + if (flag == CLIENT_CONTROL_NOOUTPUT) + control_reset_offsets(c); + } + free(copy); + proc_send(c->peer, MSG_FLAGS, -1, &c->flags, sizeof c->flags); +} + +/* Get client flags. This is only flags useful to show to users. */ +const char * +server_client_get_flags(struct client *c) +{ + static char s[256]; + char tmp[32]; + + *s = '\0'; + if (c->flags & CLIENT_ATTACHED) + strlcat(s, "attached,", sizeof s); + if (c->flags & CLIENT_FOCUSED) + strlcat(s, "focused,", sizeof s); + if (c->flags & CLIENT_CONTROL) + strlcat(s, "control-mode,", sizeof s); + if (c->flags & CLIENT_IGNORESIZE) + strlcat(s, "ignore-size,", sizeof s); + if (c->flags & CLIENT_CONTROL_NOOUTPUT) + strlcat(s, "no-output,", sizeof s); + if (c->flags & CLIENT_CONTROL_WAITEXIT) + strlcat(s, "wait-exit,", sizeof s); + if (c->flags & CLIENT_CONTROL_PAUSEAFTER) { + xsnprintf(tmp, sizeof tmp, "pause-after=%u,", + c->pause_age / 1000); + strlcat(s, tmp, sizeof s); + } + if (c->flags & CLIENT_READONLY) + strlcat(s, "read-only,", sizeof s); + if (c->flags & CLIENT_ACTIVEPANE) + strlcat(s, "active-pane,", sizeof s); + if (c->flags & CLIENT_SUSPENDED) + strlcat(s, "suspended,", sizeof s); + if (c->flags & CLIENT_UTF8) + strlcat(s, "UTF-8,", sizeof s); + if (*s != '\0') + s[strlen(s) - 1] = '\0'; + return (s); +} + +/* Get client window. */ +struct client_window * +server_client_get_client_window(struct client *c, u_int id) +{ + struct client_window cw = { .window = id }; + + return (RB_FIND(client_windows, &c->windows, &cw)); +} + +/* Add client window. */ +struct client_window * +server_client_add_client_window(struct client *c, u_int id) +{ + struct client_window *cw; + + cw = server_client_get_client_window(c, id); + if (cw == NULL) { + cw = xcalloc(1, sizeof *cw); + cw->window = id; + RB_INSERT(client_windows, &c->windows, cw); + } + return (cw); +} + +/* Get client active pane. */ +struct window_pane * +server_client_get_pane(struct client *c) +{ + struct session *s = c->session; + struct client_window *cw; + + if (s == NULL) + return (NULL); + + if (~c->flags & CLIENT_ACTIVEPANE) + return (s->curw->window->active); + cw = server_client_get_client_window(c, s->curw->window->id); + if (cw == NULL) + return (s->curw->window->active); + return (cw->pane); +} + +/* Set client active pane. */ +void +server_client_set_pane(struct client *c, struct window_pane *wp) +{ + struct session *s = c->session; + struct client_window *cw; + + if (s == NULL) + return; + + cw = server_client_add_client_window(c, s->curw->window->id); + cw->pane = wp; + log_debug("%s pane now %%%u", c->name, wp->id); +} + +/* Remove pane from client lists. */ +void +server_client_remove_pane(struct window_pane *wp) +{ + struct client *c; + struct window *w = wp->window; + struct client_window *cw; + + TAILQ_FOREACH(c, &clients, entry) { + cw = server_client_get_client_window(c, w->id); + if (cw != NULL && cw->pane == wp) { + RB_REMOVE(client_windows, &c->windows, cw); + free(cw); + } + } +} |