diff options
Diffstat (limited to 'cmd-attach-session.c')
| -rw-r--r-- | cmd-attach-session.c | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/cmd-attach-session.c b/cmd-attach-session.c new file mode 100644 index 0000000..b92a7f2 --- /dev/null +++ b/cmd-attach-session.c @@ -0,0 +1,172 @@ +/* $OpenBSD$ */ + +/* + * Copyright (c) 2007 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 <errno.h> +#include <fcntl.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +#include "tmux.h" + +/* + * Attach existing session to the current terminal. + */ + +static enum cmd_retval cmd_attach_session_exec(struct cmd *, + struct cmdq_item *); + +const struct cmd_entry cmd_attach_session_entry = { + .name = "attach-session", + .alias = "attach", + + .args = { "c:dEf:rt:x", 0, 0, NULL }, + .usage = "[-dErx] [-c working-directory] [-f flags] " + CMD_TARGET_SESSION_USAGE, + + /* -t is special */ + + .flags = CMD_STARTSERVER|CMD_READONLY, + .exec = cmd_attach_session_exec +}; + +enum cmd_retval +cmd_attach_session(struct cmdq_item *item, const char *tflag, int dflag, + int xflag, int rflag, const char *cflag, int Eflag, const char *fflag) +{ + struct cmd_find_state *current = cmdq_get_current(item); + struct cmd_find_state target; + enum cmd_find_type type; + int flags; + struct client *c = cmdq_get_client(item), *c_loop; + struct session *s; + struct winlink *wl; + struct window_pane *wp; + char *cwd, *cause; + enum msgtype msgtype; + + if (RB_EMPTY(&sessions)) { + cmdq_error(item, "no sessions"); + return (CMD_RETURN_ERROR); + } + + if (c == NULL) + return (CMD_RETURN_NORMAL); + + if (server_client_check_nested(c)) { + cmdq_error(item, "sessions should be nested with care, " + "unset $TMUX to force"); + 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(&target, item, tflag, type, flags) != 0) + return (CMD_RETURN_ERROR); + s = target.s; + wl = target.wl; + wp = target.wp; + + if (wl != NULL) { + if (wp != NULL) + window_set_active_pane(wp->window, wp, 1); + session_set_current(s, wl); + if (wp != NULL) + cmd_find_from_winlink_pane(current, wl, wp, 0); + else + cmd_find_from_winlink(current, wl, 0); + } + + if (cflag != NULL) { + cwd = format_single(item, cflag, c, s, wl, wp); + free((void *)s->cwd); + s->cwd = cwd; + } + if (fflag) + server_client_set_flags(c, fflag); + if (rflag) + c->flags |= (CLIENT_READONLY|CLIENT_IGNORESIZE); + + c->last_session = c->session; + if (c->session != NULL) { + if (dflag || xflag) { + if (xflag) + msgtype = MSG_DETACHKILL; + else + msgtype = MSG_DETACH; + TAILQ_FOREACH(c_loop, &clients, entry) { + if (c_loop->session != s || c == c_loop) + continue; + server_client_detach(c_loop, msgtype); + } + } + if (!Eflag) + environ_update(s->options, c->environ, s->environ); + + server_client_set_session(c, s); + if (~cmdq_get_flags(item) & CMDQ_STATE_REPEAT) + server_client_set_key_table(c, NULL); + } else { + if (server_client_open(c, &cause) != 0) { + cmdq_error(item, "open terminal failed: %s", cause); + free(cause); + return (CMD_RETURN_ERROR); + } + + if (dflag || xflag) { + if (xflag) + msgtype = MSG_DETACHKILL; + else + msgtype = MSG_DETACH; + TAILQ_FOREACH(c_loop, &clients, entry) { + if (c_loop->session != s || c == c_loop) + continue; + server_client_detach(c_loop, msgtype); + } + } + if (!Eflag) + environ_update(s->options, c->environ, s->environ); + + server_client_set_session(c, s); + server_client_set_key_table(c, NULL); + + if (~c->flags & CLIENT_CONTROL) + proc_send(c->peer, MSG_READY, -1, NULL, 0); + notify_client("client-attached", c); + c->flags |= CLIENT_ATTACHED; + } + + return (CMD_RETURN_NORMAL); +} + +static enum cmd_retval +cmd_attach_session_exec(struct cmd *self, struct cmdq_item *item) +{ + struct args *args = cmd_get_args(self); + + return (cmd_attach_session(item, args_get(args, 't'), + args_has(args, 'd'), args_has(args, 'x'), args_has(args, 'r'), + args_get(args, 'c'), args_has(args, 'E'), args_get(args, 'f'))); +} |