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-rw-r--r--server-client.c3212
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);
+ }
+ }
+}