/* $OpenBSD$ */

/*
* Copyright (c) 2007 Nicholas Marriott <[email protected]>
*
* 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);
}