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tmux/cmd-list-windows.c
nicm 0ccfb61bb0 In order that people can use formats like #D in #() in the status line
and not have to wait for an update when they change pane, we allow
commands to run more than once a second if the expanded form
changes. Unfortunately this can mean them being run far too often
(pretty much continually) when multiple clients exist, because some
formats (including #D) will always differ between clients.

To avoid this, give each client its own tree of jobs which means that
the same command will be different instances for each client - similar
to how we have the tag to separate commands for different panes.

GitHub issue 889; test case reported by Paul Johnson.
2017-05-01 12:20:55 +00:00

120 lines
3.1 KiB
C

/* $OpenBSD$ */
/*
* 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 <stdlib.h>
#include <unistd.h>
#include "tmux.h"
/*
* List windows on given session.
*/
#define LIST_WINDOWS_TEMPLATE \
"#{window_index}: #{window_name}#{window_flags} " \
"(#{window_panes} panes) " \
"[#{window_width}x#{window_height}] " \
"[layout #{window_layout}] #{window_id}" \
"#{?window_active, (active),}";
#define LIST_WINDOWS_WITH_SESSION_TEMPLATE \
"#{session_name}:" \
"#{window_index}: #{window_name}#{window_flags} " \
"(#{window_panes} panes) " \
"[#{window_width}x#{window_height}] "
static enum cmd_retval cmd_list_windows_exec(struct cmd *, struct cmdq_item *);
static void cmd_list_windows_server(struct cmd *, struct cmdq_item *);
static void cmd_list_windows_session(struct cmd *, struct session *,
struct cmdq_item *, int);
const struct cmd_entry cmd_list_windows_entry = {
.name = "list-windows",
.alias = "lsw",
.args = { "F:at:", 0, 0 },
.usage = "[-a] [-F format] " CMD_TARGET_SESSION_USAGE,
.target = { 't', CMD_FIND_SESSION, 0 },
.flags = CMD_AFTERHOOK,
.exec = cmd_list_windows_exec
};
static enum cmd_retval
cmd_list_windows_exec(struct cmd *self, struct cmdq_item *item)
{
struct args *args = self->args;
if (args_has(args, 'a'))
cmd_list_windows_server(self, item);
else
cmd_list_windows_session(self, item->target.s, item, 0);
return (CMD_RETURN_NORMAL);
}
static void
cmd_list_windows_server(struct cmd *self, struct cmdq_item *item)
{
struct session *s;
RB_FOREACH(s, sessions, &sessions)
cmd_list_windows_session(self, s, item, 1);
}
static void
cmd_list_windows_session(struct cmd *self, struct session *s,
struct cmdq_item *item, int type)
{
struct args *args = self->args;
struct winlink *wl;
u_int n;
struct format_tree *ft;
const char *template;
char *line;
template = args_get(args, 'F');
if (template == NULL) {
switch (type) {
case 0:
template = LIST_WINDOWS_TEMPLATE;
break;
case 1:
template = LIST_WINDOWS_WITH_SESSION_TEMPLATE;
break;
}
}
n = 0;
RB_FOREACH(wl, winlinks, &s->windows) {
ft = format_create(item->client, item, FORMAT_NONE, 0);
format_add(ft, "line", "%u", n);
format_defaults(ft, NULL, s, wl, NULL);
line = format_expand(ft, template);
cmdq_print(item, "%s", line);
free(line);
format_free(ft);
n++;
}
}