/* $OpenBSD$ */

/*

 * Copyright (c) 2008 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"

/*

 * Move a window.

 */

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

const struct cmd_entry cmd_move_window_entry = {

  .name = "move-window",

  .alias = "movew",

  .args = { "abdkrs:t:", 0, 0, NULL },

  .usage = "[-abdkr] " CMD_SRCDST_WINDOW_USAGE,

  .source = { 's', CMD_FIND_WINDOW, 0 },

  /* -t is special */

  .flags = 0,

  .exec = cmd_move_window_exec

};

const struct cmd_entry cmd_link_window_entry = {

  .name = "link-window",

  .alias = "linkw",

  .args = { "abdks:t:", 0, 0, NULL },

  .usage = "[-abdk] " CMD_SRCDST_WINDOW_USAGE,

  .source = { 's', CMD_FIND_WINDOW, 0 },

  /* -t is special */

  .flags = 0,

  .exec = cmd_move_window_exec

};

static enum cmd_retval

cmd_move_window_exec(struct cmd *self, struct cmdq_item *item)

{

  struct args   *args = cmd_get_args(self);

  struct cmd_find_state *source = cmdq_get_source(item);

  struct cmd_find_state  target;

  const char    *tflag = args_get(args, 't');

  struct session    *src = source->s;

  struct session    *dst;

  struct winlink    *wl = source->wl;

  char      *cause;

  int      idx, kflag, dflag, sflag, before;

  if (args_has(args, 'r')) {

    if (cmd_find_target(&target, item, tflag, CMD_FIND_SESSION,

        CMD_FIND_QUIET) != 0)

      return (CMD_RETURN_ERROR);

    session_renumber_windows(target.s);

    recalculate_sizes();

    server_status_session(target.s);

    return (CMD_RETURN_NORMAL);

  }

  if (cmd_find_target(&target, item, tflag, CMD_FIND_WINDOW,

      CMD_FIND_WINDOW_INDEX) != 0)

    return (CMD_RETURN_ERROR);

  dst = target.s;

  idx = target.idx;

  kflag = args_has(args, 'k');

  dflag = args_has(args, 'd');

  sflag = args_has(args, 's');

  before = args_has(args, 'b');

  if (args_has(args, 'a') || before) {

    if (target.wl != NULL)

      idx = winlink_shuffle_up(dst, target.wl, before);

    else

      idx = winlink_shuffle_up(dst, dst->curw, before);

    if (idx == -1)

      return (CMD_RETURN_ERROR);

  }

  if (server_link_window(src, wl, dst, idx, kflag, !dflag, &cause) != 0) {

    cmdq_error(item, "%s", cause);

    free(cause);

    return (CMD_RETURN_ERROR);

  }

  if (cmd_get_entry(self) == &cmd_move_window_entry)

    server_unlink_window(src, wl);

  /*

   * Renumber the winlinks in the src session only, the destination

   * session already has the correct winlink id to us, either

   * automatically or specified by -s.

   */

  if (!sflag && options_get_number(src->options, "renumber-windows"))

    session_renumber_windows(src);

  recalculate_sizes();

  return (CMD_RETURN_NORMAL);

}