cmd-swap-window.c

   1 /* $OpenBSD$ */
   2
   3 /*
   4  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
   5  *
   6  * Permission to use, copy, modify, and distribute this software for any
   7  * purpose with or without fee is hereby granted, provided that the above
   8  * copyright notice and this permission notice appear in all copies.
   9  *
  10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  13  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  14  * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
  15  * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
  16  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  17  */
  18
  19 #include <sys/types.h>
  20
  21 #include <stdlib.h>
  22
  23 #include "tmux.h"
  24
  25 /*
  26  * Swap one window with another.
  27  */
  28
  29 enum cmd_retval cmd_swap_window_exec(struct cmd *, struct cmd_q *);
  30
  31 const struct cmd_entry cmd_swap_window_entry = {
  32         "swap-window", "swapw",
  33         "ds:t:", 0, 0,
  34         "[-d] " CMD_SRCDST_WINDOW_USAGE,
  35         0,
  36         NULL,
  37         cmd_swap_window_exec
  38 };
  39
  40 enum cmd_retval
  41 cmd_swap_window_exec(struct cmd *self, struct cmd_q *cmdq)
  42 {
  43         struct args             *args = self->args;
  44         const char              *target_src, *target_dst;
  45         struct session          *src, *dst;
  46         struct session_group    *sg_src, *sg_dst;
  47         struct winlink          *wl_src, *wl_dst;
  48         struct window           *w;
  49
  50         target_src = args_get(args, 's');
  51         if ((wl_src = cmd_find_window(cmdq, target_src, &src)) == NULL)
  52                 return (CMD_RETURN_ERROR);
  53         target_dst = args_get(args, 't');
  54         if ((wl_dst = cmd_find_window(cmdq, target_dst, &dst)) == NULL)
  55                 return (CMD_RETURN_ERROR);
  56
  57         sg_src = session_group_find(src);
  58         sg_dst = session_group_find(dst);
  59         if (src != dst &&
  60             sg_src != NULL && sg_dst != NULL && sg_src == sg_dst) {
  61                 cmdq_error(cmdq, "can't move window, sessions are grouped");
  62                 return (CMD_RETURN_ERROR);
  63         }
  64
  65         if (wl_dst->window == wl_src->window)
  66                 return (CMD_RETURN_NORMAL);
  67
  68         w = wl_dst->window;
  69         wl_dst->window = wl_src->window;
  70         wl_src->window = w;
  71
  72         if (!args_has(self->args, 'd')) {
  73                 session_select(dst, wl_dst->idx);
  74                 if (src != dst)
  75                         session_select(src, wl_src->idx);
  76         }
  77         session_group_synchronize_from(src);
  78         server_redraw_session_group(src);
  79         if (src != dst) {
  80                 session_group_synchronize_from(dst);
  81                 server_redraw_session_group(dst);
  82         }
  83         recalculate_sizes();
  84
  85         return (CMD_RETURN_NORMAL);
  86 }