enum cmd_retval
cmd_new_window_exec(struct cmd *self, struct cmd_q *cmdq)
{
struct args *args = self->args;
struct session *s;
struct winlink *wl;
struct client *c;
const char *cmd, *template;
char *cause, *cp;
int idx, last, detached, cwd, fd = -1;
struct format_tree *ft;
if (args_has(args, 'a')) {
wl = cmd_find_window(cmdq, args_get(args, 't'), &s);
if (wl == NULL)
return (CMD_RETURN_ERROR);
idx = wl->idx + 1;
/* Find the next free index. */
for (last = idx; last < INT_MAX; last++) {
if (winlink_find_by_index(&s->windows, last) == NULL)
break;
}
if (last == INT_MAX) {
cmdq_error(cmdq, "no free window indexes");
return (CMD_RETURN_ERROR);
}
/* Move everything from last - 1 to idx up a bit. */
for (; last > idx; last--) {
wl = winlink_find_by_index(&s->windows, last - 1);
server_link_window(s, wl, s, last, 0, 0, NULL);
server_unlink_window(s, wl);
}
} else {
if ((idx = cmd_find_index(cmdq, args_get(args, 't'), &s)) == -2)
return (CMD_RETURN_ERROR);
}
detached = args_has(args, 'd');
wl = NULL;
if (idx != -1)
wl = winlink_find_by_index(&s->windows, idx);
if (wl != NULL && args_has(args, 'k')) {
/*
* Can't use session_detach as it will destroy session if this
* makes it empty.
*/
notify_window_unlinked(s, wl->window);
wl->flags &= ~WINLINK_ALERTFLAGS;
winlink_stack_remove(&s->lastw, wl);
winlink_remove(&s->windows, wl);
/* Force select/redraw if current. */
if (wl == s->curw) {
detached = 0;
s->curw = NULL;
}
}
if (args->argc == 0)
cmd = options_get_string(&s->options, "default-command");
else
cmd = args->argv[0];
if (args_has(args, 'c')) {
ft = format_create();
if ((c = cmd_find_client(cmdq, NULL, 1)) != NULL)
format_client(ft, c);
format_session(ft, s);
format_winlink(ft, s, s->curw);
format_window_pane(ft, s->curw->window->active);
cp = format_expand(ft, args_get(args, 'c'));
format_free(ft);
fd = open(cp, O_RDONLY|O_DIRECTORY);
free(cp);
if (fd == -1) {
cmdq_error(cmdq, "bad working directory: %s",
strerror(errno));
return (CMD_RETURN_ERROR);
}
cwd = fd;
} else if (cmdq->client != NULL && cmdq->client->session == NULL)
cwd = cmdq->client->cwd;
else
cwd = s->cwd;
if (idx == -1)
idx = -1 - options_get_number(&s->options, "base-index");
wl = session_new(s, args_get(args, 'n'), cmd, cwd, idx, &cause);
if (wl == NULL) {
cmdq_error(cmdq, "create window failed: %s", cause);
free(cause);
goto error;
}
if (!detached) {
session_select(s, wl->idx);
server_redraw_session_group(s);
} else
server_status_session_group(s);
if (args_has(args, 'P')) {
if ((template = args_get(args, 'F')) == NULL)
enum cmd_retval
cmd_attach_session(struct cmd_q *cmdq, const char *tflag, int dflag, int rflag,
const char *cflag)
{
struct session *s;
struct client *c;
struct winlink *wl = NULL;
struct window *w = NULL;
struct window_pane *wp = NULL;
const char *update;
char *cause;
u_int i;
int fd;
struct format_tree *ft;
char *cp;
if (RB_EMPTY(&sessions)) {
cmdq_error(cmdq, "no sessions");
return (CMD_RETURN_ERROR);
}
if (tflag == NULL) {
if ((s = cmd_find_session(cmdq, tflag, 1)) == NULL)
return (CMD_RETURN_ERROR);
} else if (tflag[strcspn(tflag, ":.")] != '\0') {
if ((wl = cmd_find_pane(cmdq, tflag, &s, &wp)) == NULL)
return (CMD_RETURN_ERROR);
} else {
if ((s = cmd_find_session(cmdq, tflag, 1)) == NULL)
return (CMD_RETURN_ERROR);
w = cmd_lookup_windowid(tflag);
if (w == NULL && (wp = cmd_lookup_paneid(tflag)) != NULL)
w = wp->window;
if (w != NULL)
wl = winlink_find_by_window(&s->windows, w);
}
if (cmdq->client == NULL)
return (CMD_RETURN_NORMAL);
if (wl != NULL) {
if (wp != NULL)
window_set_active_pane(wp->window, wp);
session_set_current(s, wl);
}
if (cmdq->client->session != NULL) {
if (dflag) {
/*
* Can't use server_write_session in case attaching to
* the same session as currently attached to.
*/
for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
c = ARRAY_ITEM(&clients, i);
if (c == NULL || c->session != s)
continue;
if (c == cmdq->client)
continue;
server_write_client(c, MSG_DETACH,
c->session->name,
strlen(c->session->name) + 1);
}
}
if (cflag != NULL) {
ft = format_create();
if ((c = cmd_find_client(cmdq, NULL, 1)) != NULL)
format_client(ft, c);
format_session(ft, s);
format_winlink(ft, s, s->curw);
format_window_pane(ft, s->curw->window->active);
cp = format_expand(ft, cflag);
format_free(ft);
fd = open(cp, O_RDONLY|O_DIRECTORY);
free(cp);
if (fd == -1) {
cmdq_error(cmdq, "bad working directory: %s",
strerror(errno));
return (CMD_RETURN_ERROR);
}
close(s->cwd);
s->cwd = fd;
}
cmdq->client->session = s;
notify_attached_session_changed(cmdq->client);
session_update_activity(s);
server_redraw_client(cmdq->client);
s->curw->flags &= ~WINLINK_ALERTFLAGS;
} else {
if (server_client_open(cmdq->client, s, &cause) != 0) {
cmdq_error(cmdq, "open terminal failed: %s", cause);
free(cause);
return (CMD_RETURN_ERROR);
}
if (cflag != NULL) {
ft = format_create();
if ((c = cmd_find_client(cmdq, NULL, 1)) != NULL)
format_client(ft, c);
format_session(ft, s);
format_winlink(ft, s, s->curw);
format_window_pane(ft, s->curw->window->active);
cp = format_expand(ft, cflag);
format_free(ft);
fd = open(cp, O_RDONLY|O_DIRECTORY);
free(cp);
if (fd == -1) {
cmdq_error(cmdq, "bad working directory: %s",
strerror(errno));
return (CMD_RETURN_ERROR);
}
close(s->cwd);
s->cwd = fd;
}
if (rflag)
cmdq->client->flags |= CLIENT_READONLY;
if (dflag) {
server_write_session(s, MSG_DETACH, s->name,
strlen(s->name) + 1);
}
update = options_get_string(&s->options, "update-environment");
environ_update(update, &cmdq->client->environ, &s->environ);
cmdq->client->session = s;
notify_attached_session_changed(cmdq->client);
session_update_activity(s);
server_redraw_client(cmdq->client);
s->curw->flags &= ~WINLINK_ALERTFLAGS;
server_write_ready(cmdq->client);
cmdq->client_exit = 0;
}
recalculate_sizes();
server_update_socket();
return (CMD_RETURN_NORMAL);
}
enum cmd_retval
cmd_split_window_exec(struct cmd *self, struct cmd_q *cmdq)
{
struct args *args = self->args;
struct session *s;
struct winlink *wl;
struct window *w;
struct window_pane *wp, *new_wp = NULL;
struct environ env;
const char *cmd, *shell, *template;
char *cause, *new_cause, *cp;
u_int hlimit;
int size, percentage, cwd, fd = -1;
enum layout_type type;
struct layout_cell *lc;
struct client *c;
struct format_tree *ft;
if ((wl = cmd_find_pane(cmdq, args_get(args, 't'), &s, &wp)) == NULL)
return (CMD_RETURN_ERROR);
w = wl->window;
server_unzoom_window(w);
environ_init(&env);
environ_copy(&global_environ, &env);
environ_copy(&s->environ, &env);
server_fill_environ(s, &env);
if (args->argc == 0)
cmd = options_get_string(&s->options, "default-command");
else
cmd = args->argv[0];
if (args_has(args, 'c')) {
ft = format_create();
if ((c = cmd_find_client(cmdq, NULL, 1)) != NULL)
format_client(ft, c);
format_session(ft, s);
format_winlink(ft, s, s->curw);
format_window_pane(ft, s->curw->window->active);
cp = format_expand(ft, args_get(args, 'c'));
format_free(ft);
fd = open(cp, O_RDONLY|O_DIRECTORY);
free(cp);
if (fd == -1) {
cmdq_error(cmdq, "bad working directory: %s",
strerror(errno));
return (CMD_RETURN_ERROR);
}
cwd = fd;
} else if (cmdq->client != NULL && cmdq->client->session == NULL)
cwd = cmdq->client->cwd;
else
cwd = s->cwd;
type = LAYOUT_TOPBOTTOM;
if (args_has(args, 'h'))
type = LAYOUT_LEFTRIGHT;
size = -1;
if (args_has(args, 'l')) {
size = args_strtonum(args, 'l', 0, INT_MAX, &cause);
if (cause != NULL) {
xasprintf(&new_cause, "size %s", cause);
free(cause);
cause = new_cause;
goto error;
}
} else if (args_has(args, 'p')) {
percentage = args_strtonum(args, 'p', 0, INT_MAX, &cause);
if (cause != NULL) {
xasprintf(&new_cause, "percentage %s", cause);
free(cause);
cause = new_cause;
goto error;
}
if (type == LAYOUT_TOPBOTTOM)
size = (wp->sy * percentage) / 100;
else
size = (wp->sx * percentage) / 100;
}
hlimit = options_get_number(&s->options, "history-limit");
shell = options_get_string(&s->options, "default-shell");
if (*shell == '\0' || areshell(shell))
shell = _PATH_BSHELL;
if ((lc = layout_split_pane(wp, type, size, 0)) == NULL) {
cause = xstrdup("pane too small");
goto error;
}
new_wp = window_add_pane(w, hlimit);
if (window_pane_spawn(
new_wp, cmd, shell, cwd, &env, s->tio, &cause) != 0)
goto error;
layout_assign_pane(lc, new_wp);
server_redraw_window(w);
if (!args_has(args, 'd')) {
window_set_active_pane(w, new_wp);
session_select(s, wl->idx);
server_redraw_session(s);
} else
server_status_session(s);
environ_free(&env);
if (args_has(args, 'P')) {
if ((template = args_get(args, 'F')) == NULL)
enum cmd_retval
cmd_new_session_exec(struct cmd *self, struct cmd_q *cmdq)
{
struct args *args = self->args;
struct client *c = cmdq->client, *c0;
struct session *s, *groupwith;
struct window *w;
struct environ env;
struct termios tio, *tiop;
const char *newname, *target, *update, *errstr, *template;
char *cmd, *cause, *cp;
int detached, already_attached, idx, cwd, fd = -1;
u_int sx, sy;
struct format_tree *ft;
if (args_has(args, 't') && (args->argc != 0 || args_has(args, 'n'))) {
cmdq_error(cmdq, "command or window name given with target");
return (CMD_RETURN_ERROR);
}
newname = args_get(args, 's');
if (newname != NULL) {
if (!session_check_name(newname)) {
cmdq_error(cmdq, "bad session name: %s", newname);
return (CMD_RETURN_ERROR);
}
if (session_find(newname) != NULL) {
if (args_has(args, 'A')) {
return (cmd_attach_session(cmdq, newname,
args_has(args, 'D'), 0, NULL));
}
cmdq_error(cmdq, "duplicate session: %s", newname);
return (CMD_RETURN_ERROR);
}
}
target = args_get(args, 't');
if (target != NULL) {
groupwith = cmd_find_session(cmdq, target, 0);
if (groupwith == NULL)
return (CMD_RETURN_ERROR);
} else
groupwith = NULL;
/* Set -d if no client. */
detached = args_has(args, 'd');
if (c == NULL)
detached = 1;
/* Is this client already attached? */
already_attached = 0;
if (c != NULL && c->session != NULL)
already_attached = 1;
/* Get the new session working directory. */
if (args_has(args, 'c')) {
ft = format_create();
if ((c0 = cmd_find_client(cmdq, NULL, 1)) != NULL)
format_client(ft, c0);
cp = format_expand(ft, args_get(args, 'c'));
format_free(ft);
if (cp != NULL && *cp != '\0') {
fd = open(cp, O_RDONLY|O_DIRECTORY);
free(cp);
if (fd == -1) {
cmdq_error(cmdq, "bad working directory: %s",
strerror(errno));
return (CMD_RETURN_ERROR);
}
} else if (cp != NULL)
free(cp);
cwd = fd;
} else if (c != NULL && c->session == NULL)
cwd = c->cwd;
else if ((c0 = cmd_current_client(cmdq)) != NULL)
cwd = c0->session->cwd;
else {
fd = open(".", O_RDONLY);
cwd = fd;
}
/*
* Save the termios settings, part of which is used for new windows in
* this session.
*
* This is read again with tcgetattr() rather than using tty.tio as if
* detached, tty_open won't be called. Because of this, it must be done
* before opening the terminal as that calls tcsetattr() to prepare for
* tmux taking over.
*/
if (!detached && !already_attached && c->tty.fd != -1) {
if (tcgetattr(c->tty.fd, &tio) != 0)
fatal("tcgetattr failed");
tiop = &tio;
} else
tiop = NULL;
/* Open the terminal if necessary. */
if (!detached && !already_attached) {
if (server_client_open(c, NULL, &cause) != 0) {
cmdq_error(cmdq, "open terminal failed: %s", cause);
free(cause);
goto error;
}
}
/* Find new session size. */
if (c != NULL) {
sx = c->tty.sx;
sy = c->tty.sy;
} else {
sx = 80;
sy = 24;
}
if (detached && args_has(args, 'x')) {
sx = strtonum(args_get(args, 'x'), 1, USHRT_MAX, &errstr);
if (errstr != NULL) {
cmdq_error(cmdq, "width %s", errstr);
goto error;
}
}
if (detached && args_has(args, 'y')) {
sy = strtonum(args_get(args, 'y'), 1, USHRT_MAX, &errstr);
if (errstr != NULL) {
cmdq_error(cmdq, "height %s", errstr);
goto error;
}
}
if (sy > 0 && options_get_number(&global_s_options, "status"))
sy--;
if (sx == 0)
sx = 1;
if (sy == 0)
sy = 1;
/* Figure out the command for the new window. */
if (target != NULL)
cmd = NULL;
else if (args->argc != 0)
cmd = args->argv[0];
else
cmd = options_get_string(&global_s_options, "default-command");
/* Construct the environment. */
environ_init(&env);
update = options_get_string(&global_s_options, "update-environment");
if (c != NULL)
environ_update(update, &c->environ, &env);
/* Create the new session. */
idx = -1 - options_get_number(&global_s_options, "base-index");
s = session_create(newname, cmd, cwd, &env, tiop, idx, sx, sy, &cause);
if (s == NULL) {
cmdq_error(cmdq, "create session failed: %s", cause);
free(cause);
goto error;
}
environ_free(&env);
/* Set the initial window name if one given. */
if (cmd != NULL && args_has(args, 'n')) {
w = s->curw->window;
window_set_name(w, args_get(args, 'n'));
options_set_number(&w->options, "automatic-rename", 0);
}
/*
* If a target session is given, this is to be part of a session group,
* so add it to the group and synchronize.
*/
if (groupwith != NULL) {
session_group_add(groupwith, s);
session_group_synchronize_to(s);
session_select(s, RB_ROOT(&s->windows)->idx);
}
/*
* Set the client to the new session. If a command client exists, it is
* taking this session and needs to get MSG_READY and stay around.
*/
if (!detached) {
if (!already_attached)
server_write_ready(c);
else if (c->session != NULL)
c->last_session = c->session;
c->session = s;
notify_attached_session_changed(c);
session_update_activity(s);
server_redraw_client(c);
}
recalculate_sizes();
server_update_socket();
/*
* If there are still configuration file errors to display, put the new
* session's current window into more mode and display them now.
*/
if (cfg_finished)
cfg_show_causes(s);
/* Print if requested. */
if (args_has(args, 'P')) {
if ((template = args_get(args, 'F')) == NULL)
