4 * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
6 * Permission to use, copy, modify, and distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
15 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
16 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
19 #include <sys/types.h>
30 * Create a new session and attach to the current terminal unless -d is given.
33 enum cmd_retval
cmd_new_session_check(struct args
*);
34 enum cmd_retval
cmd_new_session_exec(struct cmd
*, struct cmd_q
*);
36 const struct cmd_entry cmd_new_session_entry
= {
38 "AdDn:s:t:x:y:", 0, 1,
39 "[-AdD] [-n window-name] [-s session-name] " CMD_TARGET_SESSION_USAGE
40 " [-x width] [-y height] [command]",
41 CMD_STARTSERVER
|CMD_CANTNEST
|CMD_SENDENVIRON
,
43 cmd_new_session_check
,
48 cmd_new_session_check(struct args
*args
)
50 if (args_has(args
, 't') && (args
->argc
!= 0 || args_has(args
, 'n')))
51 return (CMD_RETURN_ERROR
);
52 return (CMD_RETURN_NORMAL
);
56 cmd_new_session_exec(struct cmd
*self
, struct cmd_q
*cmdq
)
58 struct args
*args
= self
->args
;
59 struct client
*c
= cmdq
->client
;
60 struct session
*s
, *groupwith
;
63 struct termios tio
, *tiop
;
65 const char *newname
, *target
, *update
, *cwd
, *errstr
;
72 newname
= args_get(args
, 's');
73 if (newname
!= NULL
) {
74 if (!session_check_name(newname
)) {
75 cmdq_error(cmdq
, "bad session name: %s", newname
);
76 return (CMD_RETURN_ERROR
);
78 if (session_find(newname
) != NULL
) {
79 if (args_has(args
, 'A')) {
80 return (cmd_attach_session(cmdq
, newname
,
81 args_has(args
, 'D'), 0));
83 cmdq_error(cmdq
, "duplicate session: %s", newname
);
84 return (CMD_RETURN_ERROR
);
88 target
= args_get(args
, 't');
90 groupwith
= cmd_find_session(cmdq
, target
, 0);
91 if (groupwith
== NULL
)
92 return (CMD_RETURN_ERROR
);
96 /* Set -d if no client. */
97 detached
= args_has(args
, 'd');
101 /* Is this client already attached? */
102 already_attached
= 0;
103 if (c
!= NULL
&& c
->session
!= NULL
)
104 already_attached
= 1;
107 * Save the termios settings, part of which is used for new windows in
110 * This is read again with tcgetattr() rather than using tty.tio as if
111 * detached, tty_open won't be called. Because of this, it must be done
112 * before opening the terminal as that calls tcsetattr() to prepare for
115 if (!detached
&& !already_attached
&& c
->tty
.fd
!= -1) {
116 if (tcgetattr(c
->tty
.fd
, &tio
) != 0)
117 fatal("tcgetattr failed");
122 /* Open the terminal if necessary. */
123 if (!detached
&& !already_attached
) {
124 if (server_client_open(c
, NULL
, &cause
) != 0) {
125 cmdq_error(cmdq
, "open terminal failed: %s", cause
);
127 return (CMD_RETURN_ERROR
);
131 /* Get the new session working directory. */
132 if (c
!= NULL
&& c
->cwd
!= NULL
)
135 pw
= getpwuid(getuid());
136 if (pw
->pw_dir
!= NULL
&& *pw
->pw_dir
!= '\0')
142 /* Find new session size. */
150 if (detached
&& args_has(args
, 'x')) {
151 sx
= strtonum(args_get(args
, 'x'), 1, USHRT_MAX
, &errstr
);
152 if (errstr
!= NULL
) {
153 cmdq_error(cmdq
, "width %s", errstr
);
154 return (CMD_RETURN_ERROR
);
157 if (detached
&& args_has(args
, 'y')) {
158 sy
= strtonum(args_get(args
, 'y'), 1, USHRT_MAX
, &errstr
);
159 if (errstr
!= NULL
) {
160 cmdq_error(cmdq
, "height %s", errstr
);
161 return (CMD_RETURN_ERROR
);
164 if (sy
> 0 && options_get_number(&global_s_options
, "status"))
171 /* Figure out the command for the new window. */
174 else if (args
->argc
!= 0)
177 cmd
= options_get_string(&global_s_options
, "default-command");
179 /* Construct the environment. */
181 update
= options_get_string(&global_s_options
, "update-environment");
183 environ_update(update
, &c
->environ
, &env
);
185 /* Create the new session. */
186 idx
= -1 - options_get_number(&global_s_options
, "base-index");
187 s
= session_create(newname
, cmd
, cwd
, &env
, tiop
, idx
, sx
, sy
, &cause
);
189 cmdq_error(cmdq
, "create session failed: %s", cause
);
191 return (CMD_RETURN_ERROR
);
195 /* Set the initial window name if one given. */
196 if (cmd
!= NULL
&& args_has(args
, 'n')) {
198 window_set_name(w
, args_get(args
, 'n'));
199 options_set_number(&w
->options
, "automatic-rename", 0);
203 * If a target session is given, this is to be part of a session group,
204 * so add it to the group and synchronize.
206 if (groupwith
!= NULL
) {
207 session_group_add(groupwith
, s
);
208 session_group_synchronize_to(s
);
209 session_select(s
, RB_ROOT(&s
->windows
)->idx
);
213 * Set the client to the new session. If a command client exists, it is
214 * taking this session and needs to get MSG_READY and stay around.
217 if (!already_attached
)
218 server_write_ready(c
);
219 else if (c
->session
!= NULL
)
220 c
->last_session
= c
->session
;
222 notify_attached_session_changed(c
);
223 session_update_activity(s
);
224 server_redraw_client(c
);
227 server_update_socket();
230 * If there are still configuration file errors to display, put the new
231 * session's current window into more mode and display them now.
237 cmdq
->client_exit
= 0;
238 return (CMD_RETURN_NORMAL
);