/* $OpenBSD: cmd-kill-window.c,v 1.28 2021/08/21 10:22:39 nicm Exp $ */

/*
 * 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 "tmux.h"

/*
 * Destroy window.
 */

static enum cmd_retval  cmd_kill_window_exec(struct cmd *, struct cmdq_item *);

const struct cmd_entry cmd_kill_window_entry = {
        .name = "kill-window",
        .alias = "killw",

        .args = { "at:", 0, 0, NULL },
        .usage = "[-a] " CMD_TARGET_WINDOW_USAGE,

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

        .flags = 0,
        .exec = cmd_kill_window_exec
};

const struct cmd_entry cmd_unlink_window_entry = {
        .name = "unlink-window",
        .alias = "unlinkw",

        .args = { "kt:", 0, 0, NULL },
        .usage = "[-k] " CMD_TARGET_WINDOW_USAGE,

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

        .flags = 0,
        .exec = cmd_kill_window_exec
};

static enum cmd_retval
cmd_kill_window_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 winlink          *wl = target->wl, *loop;
        struct window           *w = wl->window;
        struct session          *s = target->s;
        u_int                    found;

        if (cmd_get_entry(self) == &cmd_unlink_window_entry) {
                if (!args_has(args, 'k') && !session_is_linked(s, w)) {
                        cmdq_error(item, "window only linked to one session");
                        return (CMD_RETURN_ERROR);
                }
                server_unlink_window(s, wl);
                recalculate_sizes();
                return (CMD_RETURN_NORMAL);
        }

        if (args_has(args, 'a')) {
                if (RB_PREV(winlinks, &s->windows, wl) == NULL &&
                    RB_NEXT(winlinks, &s->windows, wl) == NULL)
                        return (CMD_RETURN_NORMAL);

                /* Kill all windows except the current one. */
                do {
                        found = 0;
                        RB_FOREACH(loop, winlinks, &s->windows) {
                                if (loop->window != wl->window) {
                                        server_kill_window(loop->window, 0);
                                        found++;
                                        break;
                                }
                        }
                } while (found != 0);

                /*
                 * If the current window appears in the session more than once,
                 * kill it as well.
                 */
                found = 0;
                RB_FOREACH(loop, winlinks, &s->windows) {
                        if (loop->window == wl->window)
                                found++;
                }
                if (found > 1)
                        server_kill_window(wl->window, 0);

                server_renumber_all();
                return (CMD_RETURN_NORMAL);
        }

        server_kill_window(wl->window, 1);
        return (CMD_RETURN_NORMAL);
}