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tmux/cmd-list-sessions.c

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Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
/* $OpenBSD$ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
*
* 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>
xfree is not particularly helpful, remove it. From Thomas Adam.
2012-07-10 11:53:01 +00:00
#include <stdlib.h>
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
#include <string.h>
#include <time.h>
#include "tmux.h"
/*
* List all sessions.
*/
Add a command queue to standardize and simplify commands that call other commands and allow a command to block execution of subsequent commands. This allows run-shell and if-shell to be synchronous which has been much requested. Each client has a default command queue and commands are consumed one at a time from it. A command may suspend execution from the queue by returning CMD_RETURN_WAIT and then resume it by calling cmd_continue() - for example run-shell does this from the callback that is fired after the job is freed. When the command queue becomes empty, command clients are automatically exited (unless attaching). A callback is also fired - this is used for nested commands in, for example, if-shell which can block execution of the client's cmdq until a new cmdq becomes empty. Also merge all the old error/info/print functions together and lose the old curclient/cmdclient distinction - a cmdq is bound to one client (or none if in the configuration file), this is a command client if c->session is NULL otherwise an attached client.
2013-03-24 09:54:10 +00:00
enum cmd_retval cmd_list_sessions_exec(struct cmd *, struct cmd_q *);
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
const struct cmd_entry cmd_list_sessions_entry = {
Clean up and simplify tmux command argument parsing. Originally, tmux commands were parsed in the client process into a struct with the command data which was then serialised and sent to the server to be executed. The parsing was later moved into the server (an argv was sent from the client), but the parse step and intermediate struct was kept. This change removes that struct and the separate parse step. Argument parsing and printing is now common to all commands (in arguments.c) with each command left with just an optional check function (to validate the arguments at parse time), the exec function and a function to set up any key bindings (renamed from the old init function). This is overall more simple and consistent. There should be no changes to any commands behaviour or syntax although as this touches every command please watch for any unexpected changes.
2011-01-04 00:42:46 +00:00
"list-sessions", "ls",
Add initial framework for more powerful formatting of command output and use it for list-{panes,windows,sessions}. This allows more descriptive replacements (such as #{session_name}) and conditionals. Later this will be used for status_replace and list-keys and other places.
2011-08-26 10:53:16 +00:00
"F:", 0, 0,
"[-F format]",
Clean up and simplify tmux command argument parsing. Originally, tmux commands were parsed in the client process into a struct with the command data which was then serialised and sent to the server to be executed. The parsing was later moved into the server (an argv was sent from the client), but the parse step and intermediate struct was kept. This change removes that struct and the separate parse step. Argument parsing and printing is now common to all commands (in arguments.c) with each command left with just an optional check function (to validate the arguments at parse time), the exec function and a function to set up any key bindings (renamed from the old init function). This is overall more simple and consistent. There should be no changes to any commands behaviour or syntax although as this touches every command please watch for any unexpected changes.
2011-01-04 00:42:46 +00:00
0,
cmd_list_sessions_exec
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
};
Make command exec functions return an enum rather than -1/0/1 values and add a new value to mean "leave client running but don't attach" to fix problems with using some commands in a command sequence. Most of the work by Thomas Adam, problem reported by "jspenguin" on SF bug 3535531.
2012-07-11 07:10:15 +00:00
enum cmd_retval
Add a command queue to standardize and simplify commands that call other commands and allow a command to block execution of subsequent commands. This allows run-shell and if-shell to be synchronous which has been much requested. Each client has a default command queue and commands are consumed one at a time from it. A command may suspend execution from the queue by returning CMD_RETURN_WAIT and then resume it by calling cmd_continue() - for example run-shell does this from the callback that is fired after the job is freed. When the command queue becomes empty, command clients are automatically exited (unless attaching). A callback is also fired - this is used for nested commands in, for example, if-shell which can block execution of the client's cmdq until a new cmdq becomes empty. Also merge all the old error/info/print functions together and lose the old curclient/cmdclient distinction - a cmdq is bound to one client (or none if in the configuration file), this is a command client if c->session is NULL otherwise an attached client.
2013-03-24 09:54:10 +00:00
cmd_list_sessions_exec(struct cmd *self, struct cmd_q *cmdq)
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
{
Add initial framework for more powerful formatting of command output and use it for list-{panes,windows,sessions}. This allows more descriptive replacements (such as #{session_name}) and conditionals. Later this will be used for status_replace and list-keys and other places.
2011-08-26 10:53:16 +00:00
struct args *args = self->args;
Add "grouped sessions" which have independent name, options, current window and so on but where the linked windows are synchronized (ie creating, killing windows and so on are mirrored between the sessions). A grouped session may be created by passing -t to new-session. Had this around for a while, tested by a couple of people.
2009-10-10 10:02:48 +00:00
struct session *s;
Add initial framework for more powerful formatting of command output and use it for list-{panes,windows,sessions}. This allows more descriptive replacements (such as #{session_name}) and conditionals. Later this will be used for status_replace and list-keys and other places.
2011-08-26 10:53:16 +00:00
u_int n;
struct format_tree *ft;
const char *template;
char *line;
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
Switch all of the various choose- and list- commands over to the format infrastructure, from Thomas Adam.
2012-05-22 11:35:37 +00:00
if ((template = args_get(args, 'F')) == NULL)
Use a separate define for each default format template and strip clutter from the choose-tree defaults.
2012-08-14 08:51:53 +00:00
template = LIST_SESSIONS_TEMPLATE;
Add initial framework for more powerful formatting of command output and use it for list-{panes,windows,sessions}. This allows more descriptive replacements (such as #{session_name}) and conditionals. Later this will be used for status_replace and list-keys and other places.
2011-08-26 10:53:16 +00:00
n = 0;
Store sessions in an RB tree by name rather than a list, this is tidier and allows them to easily be shown sorted in various lists (list-sessions/choose-sessions). Keep a session index which is used in a couple of places internally but make it an ever-increasing number rather than filling in gaps with new sessions.
2010-12-21 22:37:59 +00:00
RB_FOREACH(s, sessions, &sessions) {
Add initial framework for more powerful formatting of command output and use it for list-{panes,windows,sessions}. This allows more descriptive replacements (such as #{session_name}) and conditionals. Later this will be used for status_replace and list-keys and other places.
2011-08-26 10:53:16 +00:00
ft = format_create();
format_add(ft, "line", "%u", n);
format_session(ft, s);
Add "grouped sessions" which have independent name, options, current window and so on but where the linked windows are synchronized (ie creating, killing windows and so on are mirrored between the sessions). A grouped session may be created by passing -t to new-session. Had this around for a while, tested by a couple of people.
2009-10-10 10:02:48 +00:00
Add initial framework for more powerful formatting of command output and use it for list-{panes,windows,sessions}. This allows more descriptive replacements (such as #{session_name}) and conditionals. Later this will be used for status_replace and list-keys and other places.
2011-08-26 10:53:16 +00:00
line = format_expand(ft, template);
Add a command queue to standardize and simplify commands that call other commands and allow a command to block execution of subsequent commands. This allows run-shell and if-shell to be synchronous which has been much requested. Each client has a default command queue and commands are consumed one at a time from it. A command may suspend execution from the queue by returning CMD_RETURN_WAIT and then resume it by calling cmd_continue() - for example run-shell does this from the callback that is fired after the job is freed. When the command queue becomes empty, command clients are automatically exited (unless attaching). A callback is also fired - this is used for nested commands in, for example, if-shell which can block execution of the client's cmdq until a new cmdq becomes empty. Also merge all the old error/info/print functions together and lose the old curclient/cmdclient distinction - a cmdq is bound to one client (or none if in the configuration file), this is a command client if c->session is NULL otherwise an attached client.
2013-03-24 09:54:10 +00:00
cmdq_print(cmdq, "%s", line);
xfree is not particularly helpful, remove it. From Thomas Adam.
2012-07-10 11:53:01 +00:00
free(line);
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
Add initial framework for more powerful formatting of command output and use it for list-{panes,windows,sessions}. This allows more descriptive replacements (such as #{session_name}) and conditionals. Later this will be used for status_replace and list-keys and other places.
2011-08-26 10:53:16 +00:00
format_free(ft);
n++;
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
}
Make command exec functions return an enum rather than -1/0/1 values and add a new value to mean "leave client running but don't attach" to fix problems with using some commands in a command sequence. Most of the work by Thomas Adam, problem reported by "jspenguin" on SF bug 3535531.
2012-07-11 07:10:15 +00:00
return (CMD_RETURN_NORMAL);
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
}