static enum cmd_retval
cmd_switch_client_exec(struct cmd *self, struct cmdq_item *item)
{
struct args *args = self->args;
const char *tflag = args_get(args, 't');
enum cmd_find_type type;
int flags;
struct client *c;
struct session *s;
struct winlink *wl;
struct window_pane *wp;
const char *tablename;
struct key_table *table;
if ((c = cmd_find_client(item, args_get(args, 'c'), 0)) == NULL)
return (CMD_RETURN_ERROR);
if (tflag != NULL && tflag[strcspn(tflag, ":.")] != '\0') {
type = CMD_FIND_PANE;
flags = 0;
} else {
type = CMD_FIND_SESSION;
flags = CMD_FIND_PREFER_UNATTACHED;
}
if (cmd_find_target(&item->target, item, tflag, type, flags) != 0)
return (CMD_RETURN_ERROR);
s = item->target.s;
wl = item->target.wl;
wp = item->target.wp;
if (args_has(args, 'r'))
c->flags ^= CLIENT_READONLY;
tablename = args_get(args, 'T');
if (tablename != NULL) {
table = key_bindings_get_table(tablename, 0);
if (table == NULL) {
cmdq_error(item, "table %s doesn't exist", tablename);
return (CMD_RETURN_ERROR);
}
table->references++;
key_bindings_unref_table(c->keytable);
c->keytable = table;
return (CMD_RETURN_NORMAL);
}
if (args_has(args, 'n')) {
if ((s = session_next_session(c->session)) == NULL) {
cmdq_error(item, "can't find next session");
return (CMD_RETURN_ERROR);
}
} else if (args_has(args, 'p')) {
if ((s = session_previous_session(c->session)) == NULL) {
cmdq_error(item, "can't find previous session");
return (CMD_RETURN_ERROR);
}
} else if (args_has(args, 'l')) {
if (c->last_session != NULL && session_alive(c->last_session))
s = c->last_session;
else
s = NULL;
if (s == NULL) {
cmdq_error(item, "can't find last session");
return (CMD_RETURN_ERROR);
}
} else {
if (item->client == NULL)
return (CMD_RETURN_NORMAL);
if (wl != NULL) {
if (wp != NULL)
window_set_active_pane(wp->window, wp);
session_set_current(s, wl);
cmd_find_from_session(&item->shared->current, s, 0);
}
}
if (!args_has(args, 'E'))
environ_update(s->options, c->environ, s->environ);
if (c->session != NULL && c->session != s)
c->last_session = c->session;
c->session = s;
if (~item->shared->flags & CMDQ_SHARED_REPEAT)
server_client_set_key_table(c, NULL);
tty_update_client_offset(c);
status_timer_start(c);
notify_client("client-session-changed", c);
session_update_activity(s, NULL);
gettimeofday(&s->last_attached_time, NULL);
recalculate_sizes();
server_check_unattached();
server_redraw_client(c);
s->curw->flags &= ~WINLINK_ALERTFLAGS;
alerts_check_session(s);
return (CMD_RETURN_NORMAL);
}
static enum cmd_retval
cmd_break_pane_exec(struct cmd *self, struct cmdq_item *item)
{
struct args *args = self->args;
struct cmd_find_state *current = &item->shared->current;
struct client *c = cmd_find_client(item, NULL, 1);
struct winlink *wl = item->source.wl;
struct session *src_s = item->source.s;
struct session *dst_s = item->target.s;
struct window_pane *wp = item->source.wp;
struct window *w = wl->window;
char *name, *cause;
int idx = item->target.idx;
const char *template;
char *cp;
if (idx != -1 && winlink_find_by_index(&dst_s->windows, idx) != NULL) {
cmdq_error(item, "index %d already in use", idx);
return (CMD_RETURN_ERROR);
}
if (window_count_panes(w) == 1) {
cmdq_error(item, "can't break with only one pane");
return (CMD_RETURN_ERROR);
}
server_unzoom_window(w);
TAILQ_REMOVE(&w->panes, wp, entry);
window_lost_pane(w, wp);
layout_close_pane(wp);
w = wp->window = window_create(w->sx, w->sy);
TAILQ_INSERT_HEAD(&w->panes, wp, entry);
w->active = wp;
if (!args_has(args, 'n')) {
name = default_window_name(w);
window_set_name(w, name);
free(name);
} else {
window_set_name(w, args_get(args, 'n'));
options_set_number(w->options, "automatic-rename", 0);
}
layout_init(w, wp);
wp->flags |= PANE_CHANGED;
if (idx == -1)
idx = -1 - options_get_number(dst_s->options, "base-index");
wl = session_attach(dst_s, w, idx, &cause); /* can't fail */
if (!args_has(self->args, 'd')) {
session_select(dst_s, wl->idx);
cmd_find_from_session(current, dst_s, 0);
}
server_redraw_session(src_s);
if (src_s != dst_s)
server_redraw_session(dst_s);
server_status_session_group(src_s);
if (src_s != dst_s)
server_status_session_group(dst_s);
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;
struct session *s, *as;
struct session *groupwith = cmdq->state.tflag.s;
struct window *w;
struct environ *env;
struct termios tio, *tiop;
const char *newname, *target, *update, *errstr, *template;
const char *path, *cwd, *to_free = NULL;
char **argv, *cmd, *cause, *cp;
int detached, already_attached, idx, argc;
u_int sx, sy;
struct format_tree *ft;
struct environ_entry *envent;
if (self->entry == &cmd_has_session_entry) {
/*
* cmd_prepare() will fail if the session cannot be found,
* hence always return success here.
*/
return (CMD_RETURN_NORMAL);
}
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 ((as = session_find(newname)) != NULL) {
if (args_has(args, 'A')) {
/*
* This cmdq is now destined for
* attach-session. Because attach-session
* will have already been prepared, copy this
* session into its tflag so it can be used.
*/
cmd_find_from_session(&cmdq->state.tflag, as);
return (cmd_attach_session(cmdq,
args_has(args, 'D'), 0, NULL,
args_has(args, 'E')));
}
cmdq_error(cmdq, "duplicate session: %s", newname);
return (CMD_RETURN_ERROR);
}
}
if ((target = args_get(args, 't')) != NULL) {
if (groupwith == NULL) {
cmdq_error(cmdq, "no such session: %s", target);
goto 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(cmdq, 0);
format_defaults(ft, c, NULL, NULL, NULL);
to_free = cwd = format_expand(ft, args_get(args, 'c'));
format_free(ft);
} else if (c != NULL && c->session == NULL && c->cwd != NULL)
cwd = c->cwd;
else
cwd = ".";
/*
* If this is a new client, check for nesting and save the termios
* settings (part of which is used for new windows in this session).
*
* tcgetattr() is used rather than using tty.tio since if the client is
* detached, tty_open won't be called. 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 (server_client_check_nested(cmdq->client)) {
cmdq_error(cmdq, "sessions should be nested with care, "
"unset $TMUX to force");
return (CMD_RETURN_ERROR);
}
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, &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. */
argc = -1;
argv = NULL;
if (!args_has(args, 't') && args->argc != 0) {
argc = args->argc;
argv = args->argv;
} else if (groupwith == NULL) {
cmd = options_get_string(global_s_options, "default-command");
if (cmd != NULL && *cmd != '\0') {
argc = 1;
argv = &cmd;
} else {
argc = 0;
argv = NULL;
}
}
path = NULL;
if (c != NULL && c->session == NULL)
envent = environ_find(c->environ, "PATH");
else
envent = environ_find(global_environ, "PATH");
if (envent != NULL)
path = envent->value;
/* Construct the environment. */
env = environ_create();
if (c != NULL && !args_has(args, 'E')) {
update = options_get_string(global_s_options,
"update-environment");
environ_update(update, c->environ, env);
}
/* Create the new session. */
idx = -1 - options_get_number(global_s_options, "base-index");
s = session_create(newname, argc, argv, path, cwd, env, tiop, idx, sx,
sy, &cause);
environ_free(env);
if (s == NULL) {
cmdq_error(cmdq, "create session failed: %s", cause);
free(cause);
goto error;
}
/* Set the initial window name if one given. */
if (argc >= 0 && 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_MIN(winlinks, &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) {
if (~c->flags & CLIENT_CONTROL)
proc_send(c->peer, MSG_READY, -1, NULL, 0);
} else if (c->session != NULL)
c->last_session = c->session;
c->session = s;
server_client_set_key_table(c, NULL);
status_timer_start(c);
notify_attached_session_changed(c);
session_update_activity(s, NULL);
gettimeofday(&s->last_attached_time, NULL);
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)
static enum cmd_retval
cmd_join_pane_exec(struct cmd *self, struct cmdq_item *item)
{
struct args *args = self->args;
struct cmd_find_state *current = &item->shared->current;
struct session *dst_s;
struct winlink *src_wl, *dst_wl;
struct window *src_w, *dst_w;
struct window_pane *src_wp, *dst_wp;
char *cause;
int size, percentage, dst_idx;
enum layout_type type;
struct layout_cell *lc;
int not_same_window, flags;
if (self->entry == &cmd_join_pane_entry)
not_same_window = 1;
else
not_same_window = 0;
dst_s = item->target.s;
dst_wl = item->target.wl;
dst_wp = item->target.wp;
dst_w = dst_wl->window;
dst_idx = dst_wl->idx;
server_unzoom_window(dst_w);
src_wl = item->source.wl;
src_wp = item->source.wp;
src_w = src_wl->window;
server_unzoom_window(src_w);
if (not_same_window && src_w == dst_w) {
cmdq_error(item, "can't join a pane to its own window");
return (CMD_RETURN_ERROR);
}
if (!not_same_window && src_wp == dst_wp) {
cmdq_error(item, "source and target panes must be different");
return (CMD_RETURN_ERROR);
}
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) {
cmdq_error(item, "size %s", cause);
free(cause);
return (CMD_RETURN_ERROR);
}
} else if (args_has(args, 'p')) {
percentage = args_strtonum(args, 'p', 0, 100, &cause);
if (cause != NULL) {
cmdq_error(item, "percentage %s", cause);
free(cause);
return (CMD_RETURN_ERROR);
}
if (type == LAYOUT_TOPBOTTOM)
size = (dst_wp->sy * percentage) / 100;
else
size = (dst_wp->sx * percentage) / 100;
}
if (args_has(args, 'b'))
flags = SPAWN_BEFORE;
else
flags = 0;
lc = layout_split_pane(dst_wp, type, size, flags);
if (lc == NULL) {
cmdq_error(item, "create pane failed: pane too small");
return (CMD_RETURN_ERROR);
}
layout_close_pane(src_wp);
window_lost_pane(src_w, src_wp);
TAILQ_REMOVE(&src_w->panes, src_wp, entry);
src_wp->window = dst_w;
TAILQ_INSERT_AFTER(&dst_w->panes, dst_wp, src_wp, entry);
layout_assign_pane(lc, src_wp);
recalculate_sizes();
server_redraw_window(src_w);
server_redraw_window(dst_w);
if (!args_has(args, 'd')) {
window_set_active_pane(dst_w, src_wp, 1);
session_select(dst_s, dst_idx);
cmd_find_from_session(current, dst_s, 0);
server_redraw_session(dst_s);
} else
server_status_session(dst_s);
if (window_count_panes(src_w) == 0)
server_kill_window(src_w);
else
notify_window("window-layout-changed", src_w);
notify_window("window-layout-changed", dst_w);
return (CMD_RETURN_NORMAL);
}
