/* $OpenBSD: cmd-kill-pane.c,v 1.34 2026/06/09 21:22:22 nicm Exp $ */

/*
 * Copyright (c) 2009 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 "tmux.h"

/*
 * Kill pane.
 */

static enum cmd_retval  cmd_kill_pane_exec(struct cmd *, struct cmdq_item *);
static enum cmd_retval  cmd_kill_pane_all(struct cmdq_item *, const char *);
static int              cmd_kill_pane_filter(struct cmdq_item *,
                            struct session *, struct winlink *,
                            struct window_pane *, const char *);

const struct cmd_entry cmd_kill_pane_entry = {
        .name = "kill-pane",
        .alias = "killp",

        .args = { "af:t:", 0, 0, NULL },
        .usage = "[-a] [-f filter] " CMD_TARGET_PANE_USAGE,

        .target = { 't', CMD_FIND_PANE, 0 },

        .flags = CMD_AFTERHOOK,
        .exec = cmd_kill_pane_exec
};

static enum cmd_retval
cmd_kill_pane_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 window_pane      *wp = target->wp;
        const char              *filter = args_get(args, 'f');

        if (filter != NULL && !args_has(args, 'a')) {
                cmdq_error(item, "-f only valid with -a");
                return (CMD_RETURN_ERROR);
        }

        if (args_has(args, 'a'))
                return (cmd_kill_pane_all(item, filter));

        if (wp == NULL) {
                cmdq_error(item, "no active pane to kill");
                return (CMD_RETURN_ERROR);
        }
        server_kill_pane(wp);
        return (CMD_RETURN_NORMAL);
}

static enum cmd_retval
cmd_kill_pane_all(struct cmdq_item *item, const char *filter)
{
        struct cmd_find_state   *target = cmdq_get_target(item);
        struct session          *s = target->s;
        struct winlink          *wl = target->wl;
        struct window_pane      *wp = target->wp;
        struct window_pane      *loopwp, *tmpwp;

        server_unzoom_window(wl->window);
        TAILQ_FOREACH_SAFE(loopwp, &wl->window->panes, entry, tmpwp) {
                if (loopwp == wp)
                        continue;
                if (!cmd_kill_pane_filter(item, s, wl, loopwp, filter))
                        continue;
                server_client_remove_pane(loopwp);
                layout_close_pane(loopwp);
                window_remove_pane(wl->window, loopwp);
        }
        server_redraw_window(wl->window);
        return (CMD_RETURN_NORMAL);
}

static int
cmd_kill_pane_filter(struct cmdq_item *item, struct session *s,
    struct winlink *wl, struct window_pane *wp, const char *filter)
{
        struct format_tree      *ft;
        char                    *expanded;
        int                      flag;

        if (filter == NULL)
                return (1);

        ft = format_create(cmdq_get_client(item), item, FORMAT_NONE, 0);
        format_defaults(ft, NULL, s, wl, wp);

        expanded = format_expand(ft, filter);
        flag = format_true(expanded);
        free(expanded);

        format_free(ft);
        return (flag);
}