2014-11-08 12:27:43 +00:00
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/* $OpenBSD$ */
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2007-07-09 19:04:12 +00:00
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/*
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2016-01-19 15:59:12 +00:00
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* Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
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2007-07-09 19:04:12 +00:00
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
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* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <sys/types.h>
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2008-08-28 17:45:30 +00:00
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#include <sys/time.h>
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2007-07-09 19:04:12 +00:00
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#include <string.h>
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2007-08-27 09:53:38 +00:00
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#include <stdlib.h>
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2007-09-27 09:15:58 +00:00
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#include <unistd.h>
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2009-10-11 23:30:28 +00:00
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#include <time.h>
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2007-07-09 19:04:12 +00:00
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#include "tmux.h"
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2016-10-10 21:29:23 +00:00
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struct sessions sessions;
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2022-02-22 11:10:41 +00:00
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u_int next_session_id;
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2018-08-02 11:56:12 +00:00
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struct session_groups session_groups = RB_INITIALIZER(&session_groups);
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2007-07-09 19:04:12 +00:00
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2016-10-10 21:29:23 +00:00
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static void session_free(int, short, void *);
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2015-06-05 18:18:32 +00:00
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2016-10-10 21:29:23 +00:00
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static void session_lock_timer(int, short, void *);
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2015-08-28 13:12:20 +00:00
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2016-10-10 21:29:23 +00:00
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static struct winlink *session_next_alert(struct winlink *);
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static struct winlink *session_previous_alert(struct winlink *);
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2009-06-01 22:58:49 +00:00
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2016-10-11 13:21:59 +00:00
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static void session_group_remove(struct session *);
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2017-02-09 15:04:53 +00:00
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static void session_group_synchronize1(struct session *, struct session *);
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2010-12-22 15:36:44 +00:00
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int
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session_cmp(struct session *s1, struct session *s2)
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{
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return (strcmp(s1->name, s2->name));
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}
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2018-08-02 11:56:12 +00:00
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RB_GENERATE(sessions, session, entry, session_cmp);
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2010-12-22 15:36:44 +00:00
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2018-08-02 11:56:12 +00:00
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static int
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2017-02-09 15:04:53 +00:00
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session_group_cmp(struct session_group *s1, struct session_group *s2)
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{
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return (strcmp(s1->name, s2->name));
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}
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2018-08-02 11:56:12 +00:00
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RB_GENERATE_STATIC(session_groups, session_group, entry, session_group_cmp);
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2017-02-09 15:04:53 +00:00
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2010-12-22 15:28:51 +00:00
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/*
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* Find if session is still alive. This is true if it is still on the global
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* sessions list.
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*/
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int
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session_alive(struct session *s)
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{
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2010-12-22 15:36:44 +00:00
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struct session *s_loop;
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2010-12-22 15:28:51 +00:00
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2010-12-22 15:36:44 +00:00
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RB_FOREACH(s_loop, sessions, &sessions) {
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if (s_loop == s)
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return (1);
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}
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return (0);
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2010-12-22 15:28:51 +00:00
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}
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2007-07-09 19:04:12 +00:00
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/* Find session by name. */
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struct session *
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session_find(const char *name)
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2010-12-22 15:36:44 +00:00
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{
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struct session s;
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s.name = (char *) name;
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return (RB_FIND(sessions, &sessions, &s));
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}
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2015-04-25 18:09:28 +00:00
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/* Find session by id parsed from a string. */
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struct session *
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session_find_by_id_str(const char *s)
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{
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const char *errstr;
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u_int id;
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if (*s != '$')
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return (NULL);
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id = strtonum(s + 1, 0, UINT_MAX, &errstr);
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if (errstr != NULL)
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return (NULL);
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return (session_find_by_id(id));
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}
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2013-03-07 10:07:22 +00:00
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/* Find session by id. */
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2010-12-22 15:36:44 +00:00
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struct session *
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2013-03-07 10:07:22 +00:00
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session_find_by_id(u_int id)
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2007-07-09 19:04:12 +00:00
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{
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struct session *s;
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2010-12-22 15:36:44 +00:00
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RB_FOREACH(s, sessions, &sessions) {
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2013-03-07 10:07:22 +00:00
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if (s->id == id)
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2007-07-09 19:04:12 +00:00
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return (s);
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}
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return (NULL);
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}
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/* Create a new session. */
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struct session *
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2019-04-07 12:01:03 +00:00
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session_create(const char *prefix, const char *name, const char *cwd,
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struct environ *env, struct options *oo, struct termios *tio)
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2007-07-09 19:04:12 +00:00
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{
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struct session *s;
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2015-08-28 13:12:20 +00:00
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s = xcalloc(1, sizeof *s);
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2015-06-05 18:18:32 +00:00
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s->references = 1;
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2009-01-10 14:43:43 +00:00
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s->flags = 0;
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2009-09-07 23:59:19 +00:00
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2015-10-31 08:13:58 +00:00
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s->cwd = xstrdup(cwd);
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2010-07-02 02:49:19 +00:00
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2009-10-11 23:38:16 +00:00
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TAILQ_INIT(&s->lastw);
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2007-10-26 12:29:07 +00:00
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RB_INIT(&s->windows);
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2009-09-07 23:59:19 +00:00
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2019-04-07 12:01:03 +00:00
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s->environ = env;
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Support for windows larger than the client.
This adds two new options, window-size and default-size, and a new
command, resize-window.
The force-width and force-height options, and the session_width and
session_height formats have been removed.
The new window-size option tells tmux how to work out the size of
windows: largest means it picks the size of the largest session,
smallest the smallest session (similar to the old behaviour) and
manual means that it does not automatically resize
windows. aggressive-resize modifies the choice of session for largest
and smallest as it did before.
If a window is in a session attached to a client that is too small,
only part of the window is shown. tmux attempts to keep the cursor
visible, so the part of the window displayed is changed as the cursor
moves (with a small delay, to try and avoid excess redrawing when
applications redraw status lines or similar that are not currently
visible).
Drawing windows which are larger than the client is not as efficient
as those which fit, particularly when the cursor moves, so it is
recommended to avoid using this on slow machines or networks (set
window-size to smallest or manual).
The resize-window command can be used to resize a window manually. If
it is used, the window-size option is automatically set to manual for
the window (undo this with "setw -u window-size"). resize-window works
in a similar way to resize-pane (-U -D -L -R -x -y flags) but also has
-a and -A flags. -a sets the window to the size of the smallest client
(what it would be if window-size was smallest) and -A the largest.
For the same behaviour as force-width or force-height, use
resize-width -x or -y.
If the global window-size option is set to manual, the default-size
option is used for new windows. If -x or -y is used with new-session,
that sets the default-size option for the new session.
The maximum size of a window is 10000x10000. But expect applications
to complain and higher memory use if you make a window that big. The
minimum size is the size required for the current layout including
borders.
This change allows some code improvements, most notably that since
windows can now never be cropped, that code can be removed from the
layout code, and since panes can now never be outside the size of the
window, window_pane_visible can be removed.
2018-08-20 14:22:14 +00:00
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s->options = oo;
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2009-09-16 12:36:28 +00:00
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2019-03-16 17:14:07 +00:00
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status_update_cache(s);
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2017-02-03 21:01:02 +00:00
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2009-09-16 12:36:28 +00:00
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s->tio = NULL;
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if (tio != NULL) {
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s->tio = xmalloc(sizeof *s->tio);
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memcpy(s->tio, tio, sizeof *s->tio);
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}
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2008-06-18 22:21:51 +00:00
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2011-08-21 12:35:47 +00:00
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if (name != NULL) {
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2007-10-03 21:31:07 +00:00
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s->name = xstrdup(name);
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2013-03-07 10:07:22 +00:00
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s->id = next_session_id++;
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2011-08-21 12:35:47 +00:00
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} else {
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do {
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2013-03-07 10:07:22 +00:00
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s->id = next_session_id++;
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2014-10-22 23:18:53 +00:00
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free(s->name);
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2017-02-09 15:04:53 +00:00
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if (prefix != NULL)
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xasprintf(&s->name, "%s-%u", prefix, s->id);
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else
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xasprintf(&s->name, "%u", s->id);
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2011-08-21 12:35:47 +00:00
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} while (RB_FIND(sessions, &sessions, s) != NULL);
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}
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2010-12-22 15:36:44 +00:00
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RB_INSERT(sessions, &sessions, s);
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2009-12-04 22:14:47 +00:00
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2015-11-18 09:22:29 +00:00
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log_debug("new session %s $%u", s->name, s->id);
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2015-08-28 13:12:20 +00:00
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if (gettimeofday(&s->creation_time, NULL) != 0)
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fatal("gettimeofday failed");
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session_update_activity(s, &s->creation_time);
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2007-07-09 19:04:12 +00:00
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return (s);
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}
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2017-04-28 19:13:55 +00:00
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/* Add a reference to a session. */
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2015-06-05 18:18:32 +00:00
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void
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2017-04-28 19:13:55 +00:00
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session_add_ref(struct session *s, const char *from)
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2015-06-05 18:18:32 +00:00
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{
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2017-04-28 19:13:55 +00:00
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s->references++;
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log_debug("%s: %s %s, now %d", __func__, s->name, from, s->references);
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}
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2015-06-05 18:18:32 +00:00
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2017-04-28 19:13:55 +00:00
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/* Remove a reference from a session. */
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void
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session_remove_ref(struct session *s, const char *from)
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{
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2015-06-05 18:18:32 +00:00
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s->references--;
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2017-04-28 19:13:55 +00:00
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log_debug("%s: %s %s, now %d", __func__, s->name, from, s->references);
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2015-06-05 18:18:32 +00:00
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if (s->references == 0)
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event_once(-1, EV_TIMEOUT, session_free, s, NULL);
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}
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/* Free session. */
|
2016-10-10 21:29:23 +00:00
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static void
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2015-11-18 14:27:44 +00:00
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session_free(__unused int fd, __unused short events, void *arg)
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2015-06-05 18:18:32 +00:00
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{
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struct session *s = arg;
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2015-09-01 18:50:16 +00:00
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log_debug("session %s freed (%d references)", s->name, s->references);
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2015-06-05 18:18:32 +00:00
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2015-08-28 13:16:03 +00:00
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if (s->references == 0) {
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2015-10-28 09:51:55 +00:00
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environ_free(s->environ);
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2015-10-27 15:58:42 +00:00
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options_free(s->options);
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2015-08-28 13:16:03 +00:00
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free(s->name);
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2015-06-05 18:18:32 +00:00
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free(s);
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2015-08-28 13:16:03 +00:00
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}
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2015-06-05 18:18:32 +00:00
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}
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2007-07-09 19:04:12 +00:00
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/* Destroy a session. */
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void
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2019-04-07 12:01:03 +00:00
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session_destroy(struct session *s, int notify, const char *from)
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2007-07-09 19:04:12 +00:00
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{
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2012-03-18 02:22:09 +00:00
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struct winlink *wl;
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2013-08-01 22:38:35 +00:00
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2017-07-09 22:33:09 +00:00
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log_debug("session %s destroyed (%s)", s->name, from);
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2021-09-17 07:20:49 +00:00
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if (s->curw == NULL)
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return;
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2016-10-15 00:12:58 +00:00
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s->curw = NULL;
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2008-06-02 21:08:36 +00:00
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2010-12-22 15:36:44 +00:00
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RB_REMOVE(sessions, &sessions, s);
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2019-04-07 12:01:03 +00:00
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if (notify)
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notify_session("session-closed", s);
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2007-12-06 09:46:23 +00:00
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2012-07-11 19:34:16 +00:00
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free(s->tio);
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2009-09-16 12:36:28 +00:00
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2015-08-28 13:12:20 +00:00
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if (event_initialized(&s->lock_timer))
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event_del(&s->lock_timer);
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2009-10-11 23:38:16 +00:00
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session_group_remove(s);
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2008-06-03 21:42:37 +00:00
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2009-10-11 23:38:16 +00:00
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while (!TAILQ_EMPTY(&s->lastw))
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winlink_stack_remove(&s->lastw, TAILQ_FIRST(&s->lastw));
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2012-03-18 02:22:09 +00:00
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while (!RB_EMPTY(&s->windows)) {
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wl = RB_ROOT(&s->windows);
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2016-10-16 22:06:40 +00:00
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notify_session_window("window-unlinked", s, wl->window);
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2012-03-18 02:22:09 +00:00
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winlink_remove(&s->windows, wl);
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}
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2007-07-09 19:04:12 +00:00
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2015-10-31 08:13:58 +00:00
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free((void *)s->cwd);
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2009-12-04 22:14:47 +00:00
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2017-04-28 19:13:55 +00:00
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session_remove_ref(s, __func__);
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2007-07-09 19:04:12 +00:00
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}
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2020-04-24 15:40:10 +00:00
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/* Sanitize session name. */
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char *
|
2011-04-06 22:29:26 +00:00
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session_check_name(const char *name)
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{
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2020-04-24 15:40:10 +00:00
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char *copy, *cp, *new_name;
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2021-07-06 08:18:38 +00:00
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if (*name == '\0')
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return (NULL);
|
2020-04-24 15:40:10 +00:00
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copy = xstrdup(name);
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for (cp = copy; *cp != '\0'; cp++) {
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|
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if (*cp == ':' || *cp == '.')
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*cp = '_';
|
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|
}
|
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utf8_stravis(&new_name, copy, VIS_OCTAL|VIS_CSTYLE|VIS_TAB|VIS_NL);
|
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|
free(copy);
|
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return (new_name);
|
2011-04-06 22:29:26 +00:00
|
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|
}
|
|
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|
2015-08-28 13:12:20 +00:00
|
|
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/* Lock session if it has timed out. */
|
2016-10-10 21:29:23 +00:00
|
|
|
static void
|
2015-11-18 14:27:44 +00:00
|
|
|
session_lock_timer(__unused int fd, __unused short events, void *arg)
|
2011-01-03 23:27:54 +00:00
|
|
|
{
|
2015-08-28 13:12:20 +00:00
|
|
|
struct session *s = arg;
|
|
|
|
|
2018-08-18 20:08:52 +00:00
|
|
|
if (s->attached == 0)
|
2015-08-28 13:12:20 +00:00
|
|
|
return;
|
|
|
|
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|
|
log_debug("session %s locked, activity time %lld", s->name,
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|
|
|
(long long)s->activity_time.tv_sec);
|
|
|
|
|
|
|
|
server_lock_session(s);
|
|
|
|
recalculate_sizes();
|
|
|
|
}
|
|
|
|
|
2015-08-28 13:01:03 +00:00
|
|
|
/* Update activity time. */
|
2011-01-01 01:12:09 +00:00
|
|
|
void
|
2015-08-28 13:01:03 +00:00
|
|
|
session_update_activity(struct session *s, struct timeval *from)
|
2011-01-01 01:12:09 +00:00
|
|
|
{
|
2015-08-28 13:01:03 +00:00
|
|
|
struct timeval *last = &s->last_activity_time;
|
2015-08-28 13:12:20 +00:00
|
|
|
struct timeval tv;
|
2015-08-28 13:01:03 +00:00
|
|
|
|
|
|
|
memcpy(last, &s->activity_time, sizeof *last);
|
|
|
|
if (from == NULL)
|
|
|
|
gettimeofday(&s->activity_time, NULL);
|
|
|
|
else
|
|
|
|
memcpy(&s->activity_time, from, sizeof s->activity_time);
|
2015-08-28 13:12:20 +00:00
|
|
|
|
2018-05-04 08:21:42 +00:00
|
|
|
log_debug("session $%u %s activity %lld.%06d (last %lld.%06d)", s->id,
|
|
|
|
s->name, (long long)s->activity_time.tv_sec,
|
|
|
|
(int)s->activity_time.tv_usec, (long long)last->tv_sec,
|
|
|
|
(int)last->tv_usec);
|
2015-11-18 09:22:29 +00:00
|
|
|
|
2015-08-28 13:12:20 +00:00
|
|
|
if (evtimer_initialized(&s->lock_timer))
|
|
|
|
evtimer_del(&s->lock_timer);
|
|
|
|
else
|
|
|
|
evtimer_set(&s->lock_timer, session_lock_timer, s);
|
|
|
|
|
2018-08-18 20:08:52 +00:00
|
|
|
if (s->attached != 0) {
|
2015-08-28 13:12:20 +00:00
|
|
|
timerclear(&tv);
|
2015-10-27 15:58:42 +00:00
|
|
|
tv.tv_sec = options_get_number(s->options, "lock-after-time");
|
2015-08-28 13:12:20 +00:00
|
|
|
if (tv.tv_sec != 0)
|
|
|
|
evtimer_add(&s->lock_timer, &tv);
|
|
|
|
}
|
2011-01-03 23:27:54 +00:00
|
|
|
}
|
|
|
|
|
2010-09-10 13:36:17 +00:00
|
|
|
/* Find the next usable session. */
|
|
|
|
struct session *
|
|
|
|
session_next_session(struct session *s)
|
|
|
|
{
|
|
|
|
struct session *s2;
|
|
|
|
|
2010-12-22 15:36:44 +00:00
|
|
|
if (RB_EMPTY(&sessions) || !session_alive(s))
|
2010-09-10 13:36:17 +00:00
|
|
|
return (NULL);
|
|
|
|
|
2011-01-21 23:53:01 +00:00
|
|
|
s2 = RB_NEXT(sessions, &sessions, s);
|
2011-01-21 23:52:36 +00:00
|
|
|
if (s2 == NULL)
|
|
|
|
s2 = RB_MIN(sessions, &sessions);
|
2010-12-22 15:36:44 +00:00
|
|
|
if (s2 == s)
|
|
|
|
return (NULL);
|
2010-09-10 13:36:17 +00:00
|
|
|
return (s2);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Find the previous usable session. */
|
|
|
|
struct session *
|
|
|
|
session_previous_session(struct session *s)
|
|
|
|
{
|
|
|
|
struct session *s2;
|
|
|
|
|
2010-12-22 15:36:44 +00:00
|
|
|
if (RB_EMPTY(&sessions) || !session_alive(s))
|
2010-09-10 13:36:17 +00:00
|
|
|
return (NULL);
|
|
|
|
|
2011-01-21 23:53:01 +00:00
|
|
|
s2 = RB_PREV(sessions, &sessions, s);
|
2011-01-21 23:52:36 +00:00
|
|
|
if (s2 == NULL)
|
|
|
|
s2 = RB_MAX(sessions, &sessions);
|
2010-12-22 15:36:44 +00:00
|
|
|
if (s2 == s)
|
|
|
|
return (NULL);
|
2010-09-10 13:36:17 +00:00
|
|
|
return (s2);
|
|
|
|
}
|
|
|
|
|
2007-07-09 19:04:12 +00:00
|
|
|
/* Attach a window to a session. */
|
2007-10-26 12:29:07 +00:00
|
|
|
struct winlink *
|
2009-01-23 16:59:14 +00:00
|
|
|
session_attach(struct session *s, struct window *w, int idx, char **cause)
|
2007-07-09 19:04:12 +00:00
|
|
|
{
|
2009-01-23 16:59:14 +00:00
|
|
|
struct winlink *wl;
|
|
|
|
|
2011-02-15 15:09:52 +00:00
|
|
|
if ((wl = winlink_add(&s->windows, idx)) == NULL) {
|
2009-01-23 16:59:14 +00:00
|
|
|
xasprintf(cause, "index in use: %d", idx);
|
2011-02-15 15:09:52 +00:00
|
|
|
return (NULL);
|
|
|
|
}
|
2016-10-19 09:22:07 +00:00
|
|
|
wl->session = s;
|
2011-02-15 15:09:52 +00:00
|
|
|
winlink_set_window(wl, w);
|
2016-10-16 22:06:40 +00:00
|
|
|
notify_session_window("window-linked", s, w);
|
2011-02-15 15:09:52 +00:00
|
|
|
|
2009-10-11 23:38:16 +00:00
|
|
|
session_group_synchronize_from(s);
|
2009-01-23 16:59:14 +00:00
|
|
|
return (wl);
|
2007-07-09 19:04:12 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Detach a window from a session. */
|
2007-08-27 20:36:52 +00:00
|
|
|
int
|
2007-10-26 12:29:07 +00:00
|
|
|
session_detach(struct session *s, struct winlink *wl)
|
2007-07-09 19:04:12 +00:00
|
|
|
{
|
2009-01-18 18:31:45 +00:00
|
|
|
if (s->curw == wl &&
|
2016-10-15 00:12:58 +00:00
|
|
|
session_last(s) != 0 &&
|
|
|
|
session_previous(s, 0) != 0)
|
2009-01-18 18:31:45 +00:00
|
|
|
session_next(s, 0);
|
2007-09-21 20:45:06 +00:00
|
|
|
|
2010-06-22 23:26:18 +00:00
|
|
|
wl->flags &= ~WINLINK_ALERTFLAGS;
|
2016-10-16 22:06:40 +00:00
|
|
|
notify_session_window("window-unlinked", s, wl->window);
|
2008-11-16 10:10:26 +00:00
|
|
|
winlink_stack_remove(&s->lastw, wl);
|
2007-10-26 12:29:07 +00:00
|
|
|
winlink_remove(&s->windows, wl);
|
2016-10-15 00:12:58 +00:00
|
|
|
|
2009-10-11 23:38:16 +00:00
|
|
|
session_group_synchronize_from(s);
|
2016-10-15 00:12:58 +00:00
|
|
|
|
2023-09-01 13:48:54 +00:00
|
|
|
if (RB_EMPTY(&s->windows))
|
2007-09-21 18:35:16 +00:00
|
|
|
return (1);
|
2023-09-01 13:48:54 +00:00
|
|
|
return (0);
|
2007-08-27 12:05:15 +00:00
|
|
|
}
|
|
|
|
|
2007-07-09 19:04:12 +00:00
|
|
|
/* Return if session has window. */
|
2015-04-22 15:32:33 +00:00
|
|
|
int
|
2007-07-09 19:04:12 +00:00
|
|
|
session_has(struct session *s, struct window *w)
|
|
|
|
{
|
2007-10-26 12:29:07 +00:00
|
|
|
struct winlink *wl;
|
2007-07-09 19:04:12 +00:00
|
|
|
|
2016-10-19 09:22:07 +00:00
|
|
|
TAILQ_FOREACH(wl, &w->winlinks, wentry) {
|
|
|
|
if (wl->session == s)
|
2015-04-22 15:32:33 +00:00
|
|
|
return (1);
|
2007-10-26 12:29:07 +00:00
|
|
|
}
|
2015-04-22 15:32:33 +00:00
|
|
|
return (0);
|
2007-07-09 19:04:12 +00:00
|
|
|
}
|
|
|
|
|
2015-05-06 08:35:39 +00:00
|
|
|
/*
|
|
|
|
* Return 1 if a window is linked outside this session (not including session
|
|
|
|
* groups). The window must be in this session!
|
|
|
|
*/
|
|
|
|
int
|
|
|
|
session_is_linked(struct session *s, struct window *w)
|
|
|
|
{
|
|
|
|
struct session_group *sg;
|
|
|
|
|
2017-02-09 15:04:53 +00:00
|
|
|
if ((sg = session_group_contains(s)) != NULL)
|
2015-05-06 08:35:39 +00:00
|
|
|
return (w->references != session_group_count(sg));
|
|
|
|
return (w->references != 1);
|
|
|
|
}
|
|
|
|
|
2016-10-10 21:29:23 +00:00
|
|
|
static struct winlink *
|
2010-06-22 23:26:18 +00:00
|
|
|
session_next_alert(struct winlink *wl)
|
2009-01-18 18:31:45 +00:00
|
|
|
{
|
|
|
|
while (wl != NULL) {
|
2010-06-22 23:26:18 +00:00
|
|
|
if (wl->flags & WINLINK_ALERTFLAGS)
|
2009-05-19 13:32:55 +00:00
|
|
|
break;
|
2009-11-28 14:50:37 +00:00
|
|
|
wl = winlink_next(wl);
|
2009-01-18 18:31:45 +00:00
|
|
|
}
|
|
|
|
return (wl);
|
|
|
|
}
|
|
|
|
|
2007-07-09 19:04:12 +00:00
|
|
|
/* Move session to next window. */
|
|
|
|
int
|
2010-06-22 23:22:31 +00:00
|
|
|
session_next(struct session *s, int alert)
|
2007-07-09 19:04:12 +00:00
|
|
|
{
|
2007-10-26 12:29:07 +00:00
|
|
|
struct winlink *wl;
|
2007-07-09 19:04:12 +00:00
|
|
|
|
2007-10-26 12:29:07 +00:00
|
|
|
if (s->curw == NULL)
|
2007-07-09 19:04:12 +00:00
|
|
|
return (-1);
|
|
|
|
|
2009-11-28 14:50:37 +00:00
|
|
|
wl = winlink_next(s->curw);
|
2010-06-22 23:22:31 +00:00
|
|
|
if (alert)
|
2010-06-22 23:26:18 +00:00
|
|
|
wl = session_next_alert(wl);
|
2009-01-18 18:31:45 +00:00
|
|
|
if (wl == NULL) {
|
2007-10-26 12:29:07 +00:00
|
|
|
wl = RB_MIN(winlinks, &s->windows);
|
2010-06-22 23:26:18 +00:00
|
|
|
if (alert && ((wl = session_next_alert(wl)) == NULL))
|
2009-01-18 18:31:45 +00:00
|
|
|
return (-1);
|
|
|
|
}
|
2013-02-21 16:54:13 +00:00
|
|
|
return (session_set_current(s, wl));
|
2007-07-09 19:04:12 +00:00
|
|
|
}
|
|
|
|
|
2016-10-10 21:29:23 +00:00
|
|
|
static struct winlink *
|
2010-06-22 23:26:18 +00:00
|
|
|
session_previous_alert(struct winlink *wl)
|
2009-01-18 18:31:45 +00:00
|
|
|
{
|
|
|
|
while (wl != NULL) {
|
2010-06-22 23:26:18 +00:00
|
|
|
if (wl->flags & WINLINK_ALERTFLAGS)
|
2009-05-19 13:32:55 +00:00
|
|
|
break;
|
2009-11-28 14:50:37 +00:00
|
|
|
wl = winlink_previous(wl);
|
2009-01-18 18:31:45 +00:00
|
|
|
}
|
|
|
|
return (wl);
|
|
|
|
}
|
|
|
|
|
2007-12-06 09:46:23 +00:00
|
|
|
/* Move session to previous window. */
|
2007-07-09 19:04:12 +00:00
|
|
|
int
|
2010-06-22 23:22:31 +00:00
|
|
|
session_previous(struct session *s, int alert)
|
2007-07-09 19:04:12 +00:00
|
|
|
{
|
2007-10-26 12:29:07 +00:00
|
|
|
struct winlink *wl;
|
2007-07-09 19:04:12 +00:00
|
|
|
|
2007-10-26 12:29:07 +00:00
|
|
|
if (s->curw == NULL)
|
2007-07-09 19:04:12 +00:00
|
|
|
return (-1);
|
|
|
|
|
2009-11-28 14:50:37 +00:00
|
|
|
wl = winlink_previous(s->curw);
|
2010-06-22 23:22:31 +00:00
|
|
|
if (alert)
|
2010-06-22 23:26:18 +00:00
|
|
|
wl = session_previous_alert(wl);
|
2009-01-18 18:31:45 +00:00
|
|
|
if (wl == NULL) {
|
2007-10-26 12:29:07 +00:00
|
|
|
wl = RB_MAX(winlinks, &s->windows);
|
2010-06-22 23:26:18 +00:00
|
|
|
if (alert && (wl = session_previous_alert(wl)) == NULL)
|
2009-01-18 18:31:45 +00:00
|
|
|
return (-1);
|
|
|
|
}
|
2013-02-21 16:54:13 +00:00
|
|
|
return (session_set_current(s, wl));
|
2007-07-09 19:04:12 +00:00
|
|
|
}
|
|
|
|
|
2007-12-06 09:46:23 +00:00
|
|
|
/* Move session to specific window. */
|
2007-07-09 19:04:12 +00:00
|
|
|
int
|
2007-10-26 16:57:32 +00:00
|
|
|
session_select(struct session *s, int idx)
|
2007-07-09 19:04:12 +00:00
|
|
|
{
|
2007-10-26 12:29:07 +00:00
|
|
|
struct winlink *wl;
|
2007-07-09 19:04:12 +00:00
|
|
|
|
2007-10-26 16:57:32 +00:00
|
|
|
wl = winlink_find_by_index(&s->windows, idx);
|
2013-02-21 16:54:13 +00:00
|
|
|
return (session_set_current(s, wl));
|
2007-09-20 18:03:23 +00:00
|
|
|
}
|
|
|
|
|
2007-12-06 09:46:23 +00:00
|
|
|
/* Move session to last used window. */
|
2007-09-20 18:03:23 +00:00
|
|
|
int
|
|
|
|
session_last(struct session *s)
|
|
|
|
{
|
2007-10-26 12:29:07 +00:00
|
|
|
struct winlink *wl;
|
2007-09-20 18:03:23 +00:00
|
|
|
|
2009-10-11 23:38:16 +00:00
|
|
|
wl = TAILQ_FIRST(&s->lastw);
|
2007-10-26 12:29:07 +00:00
|
|
|
if (wl == NULL)
|
2007-09-20 18:03:23 +00:00
|
|
|
return (-1);
|
2007-12-06 09:46:23 +00:00
|
|
|
if (wl == s->curw)
|
2007-09-20 18:03:23 +00:00
|
|
|
return (1);
|
|
|
|
|
2013-02-21 16:54:13 +00:00
|
|
|
return (session_set_current(s, wl));
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Set current winlink to wl .*/
|
|
|
|
int
|
|
|
|
session_set_current(struct session *s, struct winlink *wl)
|
|
|
|
{
|
2021-08-13 06:52:51 +00:00
|
|
|
struct winlink *old = s->curw;
|
|
|
|
|
2013-02-21 16:54:13 +00:00
|
|
|
if (wl == NULL)
|
|
|
|
return (-1);
|
|
|
|
if (wl == s->curw)
|
|
|
|
return (1);
|
|
|
|
|
2008-11-16 10:10:26 +00:00
|
|
|
winlink_stack_remove(&s->lastw, wl);
|
|
|
|
winlink_stack_push(&s->lastw, s->curw);
|
2007-10-26 12:29:07 +00:00
|
|
|
s->curw = wl;
|
2021-08-13 06:52:51 +00:00
|
|
|
if (options_get_number(global_options, "focus-events")) {
|
2022-02-22 13:31:18 +00:00
|
|
|
if (old != NULL)
|
|
|
|
window_update_focus(old->window);
|
2021-08-13 06:52:51 +00:00
|
|
|
window_update_focus(wl->window);
|
|
|
|
}
|
2012-07-11 17:06:11 +00:00
|
|
|
winlink_clear_flags(wl);
|
2015-08-29 08:30:54 +00:00
|
|
|
window_update_activity(wl->window);
|
Support for windows larger than the client.
This adds two new options, window-size and default-size, and a new
command, resize-window.
The force-width and force-height options, and the session_width and
session_height formats have been removed.
The new window-size option tells tmux how to work out the size of
windows: largest means it picks the size of the largest session,
smallest the smallest session (similar to the old behaviour) and
manual means that it does not automatically resize
windows. aggressive-resize modifies the choice of session for largest
and smallest as it did before.
If a window is in a session attached to a client that is too small,
only part of the window is shown. tmux attempts to keep the cursor
visible, so the part of the window displayed is changed as the cursor
moves (with a small delay, to try and avoid excess redrawing when
applications redraw status lines or similar that are not currently
visible).
Drawing windows which are larger than the client is not as efficient
as those which fit, particularly when the cursor moves, so it is
recommended to avoid using this on slow machines or networks (set
window-size to smallest or manual).
The resize-window command can be used to resize a window manually. If
it is used, the window-size option is automatically set to manual for
the window (undo this with "setw -u window-size"). resize-window works
in a similar way to resize-pane (-U -D -L -R -x -y flags) but also has
-a and -A flags. -a sets the window to the size of the smallest client
(what it would be if window-size was smallest) and -A the largest.
For the same behaviour as force-width or force-height, use
resize-width -x or -y.
If the global window-size option is set to manual, the default-size
option is used for new windows. If -x or -y is used with new-session,
that sets the default-size option for the new session.
The maximum size of a window is 10000x10000. But expect applications
to complain and higher memory use if you make a window that big. The
minimum size is the size required for the current layout including
borders.
This change allows some code improvements, most notably that since
windows can now never be cropped, that code can be removed from the
layout code, and since panes can now never be outside the size of the
window, window_pane_visible can be removed.
2018-08-20 14:22:14 +00:00
|
|
|
tty_update_window_offset(wl->window);
|
2017-05-04 07:16:43 +00:00
|
|
|
notify_session("session-window-changed", s);
|
2007-07-09 19:04:12 +00:00
|
|
|
return (0);
|
|
|
|
}
|
2009-10-11 23:38:16 +00:00
|
|
|
|
|
|
|
/* Find the session group containing a session. */
|
|
|
|
struct session_group *
|
2017-02-09 15:04:53 +00:00
|
|
|
session_group_contains(struct session *target)
|
2009-10-11 23:38:16 +00:00
|
|
|
{
|
|
|
|
struct session_group *sg;
|
|
|
|
struct session *s;
|
|
|
|
|
2017-02-09 15:04:53 +00:00
|
|
|
RB_FOREACH(sg, session_groups, &session_groups) {
|
2009-10-11 23:38:16 +00:00
|
|
|
TAILQ_FOREACH(s, &sg->sessions, gentry) {
|
|
|
|
if (s == target)
|
|
|
|
return (sg);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return (NULL);
|
|
|
|
}
|
|
|
|
|
2017-02-09 15:04:53 +00:00
|
|
|
/* Find session group by name. */
|
|
|
|
struct session_group *
|
|
|
|
session_group_find(const char *name)
|
2009-10-11 23:38:16 +00:00
|
|
|
{
|
2017-02-09 15:04:53 +00:00
|
|
|
struct session_group sg;
|
2009-10-11 23:38:16 +00:00
|
|
|
|
2017-02-09 15:04:53 +00:00
|
|
|
sg.name = name;
|
|
|
|
return (RB_FIND(session_groups, &session_groups, &sg));
|
2009-10-11 23:38:16 +00:00
|
|
|
}
|
|
|
|
|
2017-02-09 15:04:53 +00:00
|
|
|
/* Create a new session group. */
|
|
|
|
struct session_group *
|
|
|
|
session_group_new(const char *name)
|
2009-10-11 23:38:16 +00:00
|
|
|
{
|
|
|
|
struct session_group *sg;
|
|
|
|
|
2017-02-09 15:04:53 +00:00
|
|
|
if ((sg = session_group_find(name)) != NULL)
|
|
|
|
return (sg);
|
|
|
|
|
|
|
|
sg = xcalloc(1, sizeof *sg);
|
|
|
|
sg->name = xstrdup(name);
|
|
|
|
TAILQ_INIT(&sg->sessions);
|
|
|
|
|
|
|
|
RB_INSERT(session_groups, &session_groups, sg);
|
|
|
|
return (sg);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Add a session to a session group. */
|
|
|
|
void
|
|
|
|
session_group_add(struct session_group *sg, struct session *s)
|
|
|
|
{
|
|
|
|
if (session_group_contains(s) == NULL)
|
|
|
|
TAILQ_INSERT_TAIL(&sg->sessions, s, gentry);
|
2009-10-11 23:38:16 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Remove a session from its group and destroy the group if empty. */
|
2016-10-11 13:21:59 +00:00
|
|
|
static void
|
2009-10-11 23:38:16 +00:00
|
|
|
session_group_remove(struct session *s)
|
|
|
|
{
|
|
|
|
struct session_group *sg;
|
|
|
|
|
2017-02-09 15:04:53 +00:00
|
|
|
if ((sg = session_group_contains(s)) == NULL)
|
2009-10-11 23:38:16 +00:00
|
|
|
return;
|
|
|
|
TAILQ_REMOVE(&sg->sessions, s, gentry);
|
|
|
|
if (TAILQ_EMPTY(&sg->sessions)) {
|
2017-02-09 15:04:53 +00:00
|
|
|
RB_REMOVE(session_groups, &session_groups, sg);
|
2020-04-24 15:40:10 +00:00
|
|
|
free((void *)sg->name);
|
2012-07-11 19:34:16 +00:00
|
|
|
free(sg);
|
2009-10-11 23:38:16 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2014-10-22 23:11:41 +00:00
|
|
|
/* Count number of sessions in session group. */
|
2017-11-02 18:27:35 +00:00
|
|
|
u_int
|
2014-10-22 23:11:41 +00:00
|
|
|
session_group_count(struct session_group *sg)
|
|
|
|
{
|
|
|
|
struct session *s;
|
|
|
|
u_int n;
|
|
|
|
|
|
|
|
n = 0;
|
|
|
|
TAILQ_FOREACH(s, &sg->sessions, gentry)
|
2019-12-26 11:04:58 +00:00
|
|
|
n++;
|
|
|
|
return (n);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Count number of clients attached to sessions in session group. */
|
|
|
|
u_int
|
|
|
|
session_group_attached_count(struct session_group *sg)
|
|
|
|
{
|
|
|
|
struct session *s;
|
|
|
|
u_int n;
|
|
|
|
|
|
|
|
n = 0;
|
|
|
|
TAILQ_FOREACH(s, &sg->sessions, gentry)
|
|
|
|
n += s->attached;
|
2014-10-22 23:11:41 +00:00
|
|
|
return (n);
|
|
|
|
}
|
|
|
|
|
2009-10-11 23:38:16 +00:00
|
|
|
/* Synchronize a session to its session group. */
|
|
|
|
void
|
|
|
|
session_group_synchronize_to(struct session *s)
|
|
|
|
{
|
|
|
|
struct session_group *sg;
|
|
|
|
struct session *target;
|
|
|
|
|
2017-02-09 15:04:53 +00:00
|
|
|
if ((sg = session_group_contains(s)) == NULL)
|
2009-10-11 23:38:16 +00:00
|
|
|
return;
|
|
|
|
|
|
|
|
target = NULL;
|
|
|
|
TAILQ_FOREACH(target, &sg->sessions, gentry) {
|
|
|
|
if (target != s)
|
|
|
|
break;
|
|
|
|
}
|
2017-02-09 15:04:53 +00:00
|
|
|
if (target != NULL)
|
|
|
|
session_group_synchronize1(target, s);
|
2009-10-11 23:38:16 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Synchronize a session group to a session. */
|
|
|
|
void
|
|
|
|
session_group_synchronize_from(struct session *target)
|
|
|
|
{
|
|
|
|
struct session_group *sg;
|
|
|
|
struct session *s;
|
|
|
|
|
2017-02-09 15:04:53 +00:00
|
|
|
if ((sg = session_group_contains(target)) == NULL)
|
2009-10-11 23:38:16 +00:00
|
|
|
return;
|
|
|
|
|
|
|
|
TAILQ_FOREACH(s, &sg->sessions, gentry) {
|
|
|
|
if (s != target)
|
|
|
|
session_group_synchronize1(target, s);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Synchronize a session with a target session. This means destroying all
|
|
|
|
* winlinks then recreating them, then updating the current window, last window
|
|
|
|
* stack and alerts.
|
|
|
|
*/
|
2016-10-11 13:21:59 +00:00
|
|
|
static void
|
2009-10-11 23:38:16 +00:00
|
|
|
session_group_synchronize1(struct session *target, struct session *s)
|
|
|
|
{
|
|
|
|
struct winlinks old_windows, *ww;
|
|
|
|
struct winlink_stack old_lastw;
|
|
|
|
struct winlink *wl, *wl2;
|
|
|
|
|
|
|
|
/* Don't do anything if the session is empty (it'll be destroyed). */
|
|
|
|
ww = &target->windows;
|
|
|
|
if (RB_EMPTY(ww))
|
|
|
|
return;
|
|
|
|
|
|
|
|
/* If the current window has vanished, move to the next now. */
|
2009-12-26 23:45:21 +00:00
|
|
|
if (s->curw != NULL &&
|
|
|
|
winlink_find_by_index(ww, s->curw->idx) == NULL &&
|
|
|
|
session_last(s) != 0 && session_previous(s, 0) != 0)
|
|
|
|
session_next(s, 0);
|
2009-10-11 23:38:16 +00:00
|
|
|
|
|
|
|
/* Save the old pointer and reset it. */
|
|
|
|
memcpy(&old_windows, &s->windows, sizeof old_windows);
|
|
|
|
RB_INIT(&s->windows);
|
|
|
|
|
|
|
|
/* Link all the windows from the target. */
|
2010-06-22 23:26:18 +00:00
|
|
|
RB_FOREACH(wl, winlinks, ww) {
|
2011-02-15 15:09:52 +00:00
|
|
|
wl2 = winlink_add(&s->windows, wl->idx);
|
2016-10-19 09:22:07 +00:00
|
|
|
wl2->session = s;
|
2011-02-15 15:09:52 +00:00
|
|
|
winlink_set_window(wl2, wl->window);
|
2016-10-16 22:06:40 +00:00
|
|
|
notify_session_window("window-linked", s, wl2->window);
|
2010-06-22 23:26:18 +00:00
|
|
|
wl2->flags |= wl->flags & WINLINK_ALERTFLAGS;
|
|
|
|
}
|
2009-10-11 23:38:16 +00:00
|
|
|
|
|
|
|
/* Fix up the current window. */
|
|
|
|
if (s->curw != NULL)
|
|
|
|
s->curw = winlink_find_by_index(&s->windows, s->curw->idx);
|
|
|
|
else
|
|
|
|
s->curw = winlink_find_by_index(&s->windows, target->curw->idx);
|
|
|
|
|
|
|
|
/* Fix up the last window stack. */
|
|
|
|
memcpy(&old_lastw, &s->lastw, sizeof old_lastw);
|
|
|
|
TAILQ_INIT(&s->lastw);
|
|
|
|
TAILQ_FOREACH(wl, &old_lastw, sentry) {
|
|
|
|
wl2 = winlink_find_by_index(&s->windows, wl->idx);
|
|
|
|
if (wl2 != NULL)
|
|
|
|
TAILQ_INSERT_TAIL(&s->lastw, wl2, sentry);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Then free the old winlinks list. */
|
|
|
|
while (!RB_EMPTY(&old_windows)) {
|
|
|
|
wl = RB_ROOT(&old_windows);
|
2014-10-22 23:11:41 +00:00
|
|
|
wl2 = winlink_find_by_window_id(&s->windows, wl->window->id);
|
|
|
|
if (wl2 == NULL)
|
2016-10-16 22:06:40 +00:00
|
|
|
notify_session_window("window-unlinked", s, wl->window);
|
2009-11-13 16:59:19 +00:00
|
|
|
winlink_remove(&old_windows, wl);
|
2009-10-11 23:38:16 +00:00
|
|
|
}
|
|
|
|
}
|
2012-05-03 17:51:04 +00:00
|
|
|
|
|
|
|
/* Renumber the windows across winlinks attached to a specific session. */
|
|
|
|
void
|
|
|
|
session_renumber_windows(struct session *s)
|
|
|
|
{
|
|
|
|
struct winlink *wl, *wl1, *wl_new;
|
|
|
|
struct winlinks old_wins;
|
|
|
|
struct winlink_stack old_lastw;
|
2022-10-17 10:59:42 +00:00
|
|
|
int new_idx, new_curw_idx, marked_idx = -1;
|
2012-05-03 17:51:04 +00:00
|
|
|
|
|
|
|
/* Save and replace old window list. */
|
|
|
|
memcpy(&old_wins, &s->windows, sizeof old_wins);
|
|
|
|
RB_INIT(&s->windows);
|
|
|
|
|
|
|
|
/* Start renumbering from the base-index if it's set. */
|
2015-10-27 15:58:42 +00:00
|
|
|
new_idx = options_get_number(s->options, "base-index");
|
2012-05-03 17:51:04 +00:00
|
|
|
new_curw_idx = 0;
|
|
|
|
|
|
|
|
/* Go through the winlinks and assign new indexes. */
|
|
|
|
RB_FOREACH(wl, winlinks, &old_wins) {
|
|
|
|
wl_new = winlink_add(&s->windows, new_idx);
|
2016-10-19 09:22:07 +00:00
|
|
|
wl_new->session = s;
|
2012-05-03 17:51:04 +00:00
|
|
|
winlink_set_window(wl_new, wl->window);
|
|
|
|
wl_new->flags |= wl->flags & WINLINK_ALERTFLAGS;
|
|
|
|
|
2022-10-17 10:59:42 +00:00
|
|
|
if (wl == marked_pane.wl)
|
|
|
|
marked_idx = wl_new->idx;
|
2012-05-03 17:51:04 +00:00
|
|
|
if (wl == s->curw)
|
|
|
|
new_curw_idx = wl_new->idx;
|
|
|
|
|
|
|
|
new_idx++;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Fix the stack of last windows now. */
|
|
|
|
memcpy(&old_lastw, &s->lastw, sizeof old_lastw);
|
|
|
|
TAILQ_INIT(&s->lastw);
|
|
|
|
TAILQ_FOREACH(wl, &old_lastw, sentry) {
|
2023-07-19 13:03:36 +00:00
|
|
|
wl->flags &= ~WINLINK_VISITED;
|
2013-08-13 20:56:41 +00:00
|
|
|
wl_new = winlink_find_by_window(&s->windows, wl->window);
|
2023-07-19 13:03:36 +00:00
|
|
|
if (wl_new != NULL) {
|
2012-05-03 17:51:04 +00:00
|
|
|
TAILQ_INSERT_TAIL(&s->lastw, wl_new, sentry);
|
2023-07-19 13:03:36 +00:00
|
|
|
wl_new->flags |= WINLINK_VISITED;
|
|
|
|
}
|
2012-05-03 17:51:04 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Set the current window. */
|
2022-10-17 10:59:42 +00:00
|
|
|
if (marked_idx != -1) {
|
|
|
|
marked_pane.wl = winlink_find_by_index(&s->windows, marked_idx);
|
|
|
|
if (marked_pane.wl == NULL)
|
|
|
|
server_clear_marked();
|
|
|
|
}
|
2012-05-03 17:51:04 +00:00
|
|
|
s->curw = winlink_find_by_index(&s->windows, new_curw_idx);
|
|
|
|
|
|
|
|
/* Free the old winlinks (reducing window references too). */
|
|
|
|
RB_FOREACH_SAFE(wl, winlinks, &old_wins, wl1)
|
|
|
|
winlink_remove(&old_wins, wl);
|
|
|
|
}
|