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/* $OpenBSD: cmd-display-message.c,v 1.63 2023/02/05 21:15:32 nicm Exp $ */
/*
* Copyright (c) 2009 Tiago Cunha <me@tiagocunha.org>
*
* 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 <time.h>
#include "tmux.h"
/*
* Displays a message in the status line.
*/
#define DISPLAY_MESSAGE_TEMPLATE \
"[#{session_name}] #{window_index}:" \
"#{window_name}, current pane #{pane_index} " \
"- (%H:%M %d-%b-%y)"
static enum cmd_retval cmd_display_message_exec(struct cmd *,
struct cmdq_item *);
const struct cmd_entry cmd_display_message_entry = {
.name = "display-message",
.alias = "display",
.args = { "ac:d:lINpt:F:v", 0, 1, NULL },
.usage = "[-aIlNpv] [-c target-client] [-d delay] [-F format] "
CMD_TARGET_PANE_USAGE " [message]",
.target = { 't', CMD_FIND_PANE, CMD_FIND_CANFAIL },
.flags = CMD_AFTERHOOK|CMD_CLIENT_CFLAG|CMD_CLIENT_CANFAIL,
.exec = cmd_display_message_exec
};
static void
cmd_display_message_each(const char *key, const char *value, void *arg)
{
struct cmdq_item *item = arg;
cmdq_print(item, "%s=%s", key, value);
}
static enum cmd_retval
cmd_display_message_exec(struct cmd *self, struct cmdq_item *item)
{
struct args *args = cmd_get_args(self);
struct cmd_find_state *target = cmdq_get_target(item);
struct client *tc = cmdq_get_target_client(item), *c;
struct session *s = target->s;
struct winlink *wl = target->wl;
struct window_pane *wp = target->wp;
const char *template;
char *msg, *cause;
int delay = -1, flags, Nflag = args_has(args, 'N');
struct format_tree *ft;
u_int count = args_count(args);
struct evbuffer *evb;
if (args_has(args, 'I')) {
if (wp == NULL)
return (CMD_RETURN_NORMAL);
switch (window_pane_start_input(wp, item, &cause)) {
case -1:
cmdq_error(item, "%s", cause);
free(cause);
return (CMD_RETURN_ERROR);
case 1:
return (CMD_RETURN_NORMAL);
case 0:
return (CMD_RETURN_WAIT);
}
}
if (args_has(args, 'F') && count != 0) {
cmdq_error(item, "only one of -F or argument must be given");
return (CMD_RETURN_ERROR);
}
if (args_has(args, 'd')) {
delay = args_strtonum(args, 'd', 0, UINT_MAX, &cause);
if (cause != NULL) {
cmdq_error(item, "delay %s", cause);
free(cause);
return (CMD_RETURN_ERROR);
}
}
if (count != 0)
template = args_string(args, 0);
else
template = args_get(args, 'F');
if (template == NULL)
template = DISPLAY_MESSAGE_TEMPLATE;
/*
* -c is intended to be the client where the message should be
* displayed if -p is not given. But it makes sense to use it for the
* formats too, assuming it matches the session. If it doesn't, use the
* best client for the session.
*/
if (tc != NULL && tc->session == s)
c = tc;
else if (s != NULL)
c = cmd_find_best_client(s);
else
c = NULL;
if (args_has(args, 'v'))
flags = FORMAT_VERBOSE;
else
flags = 0;
ft = format_create(cmdq_get_client(item), item, FORMAT_NONE, flags);
format_defaults(ft, c, s, wl, wp);
if (args_has(args, 'a')) {
format_each(ft, cmd_display_message_each, item);
return (CMD_RETURN_NORMAL);
}
if (args_has(args, 'l'))
msg = xstrdup(template);
else
msg = format_expand_time(ft, template);
if (cmdq_get_client(item) == NULL)
cmdq_error(item, "%s", msg);
else if (args_has(args, 'p'))
cmdq_print(item, "%s", msg);
else if (tc != NULL && (tc->flags & CLIENT_CONTROL)) {
evb = evbuffer_new();
if (evb == NULL)
fatalx("out of memory");
evbuffer_add_printf(evb, "%%message %s", msg);
server_client_print(tc, 0, evb);
evbuffer_free(evb);
} else if (tc != NULL)
status_message_set(tc, delay, 0, Nflag, "%s", msg);
free(msg);
format_free(ft);
return (CMD_RETURN_NORMAL);
}
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