/* $OpenBSD$ */

/*
* Copyright (c) 2008 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 <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);
}