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 int     cmd_swap_window_exec(struct cmd *, struct cmd_ctx *);
  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         NULL,
  38         cmd_swap_window_exec
  39 };
  40
  41 int
  42 cmd_swap_window_exec(struct cmd *self, struct cmd_ctx *ctx)
  43 {
  44         struct args             *args = self->args;
  45         const char              *target_src, *target_dst;
  46         struct session          *src, *dst;
  47         struct session_group    *sg_src, *sg_dst;
  48         struct winlink          *wl_src, *wl_dst;
  49         struct window           *w;
  50
  51         target_src = args_get(args, 's');
  52         if ((wl_src = cmd_find_window(ctx, target_src, &src)) == NULL)
  53                 return (-1);
  54         target_dst = args_get(args, 't');
  55         if ((wl_dst = cmd_find_window(ctx, target_dst, &dst)) == NULL)
  56                 return (-1);
  57
  58         sg_src = session_group_find(src);
  59         sg_dst = session_group_find(dst);
  60         if (src != dst &&
  61             sg_src != NULL && sg_dst != NULL && sg_src == sg_dst) {
  62                 ctx->error(ctx, "can't move window, sessions are grouped");
  63                 return (-1);
  64         }
  65
  66         if (wl_dst->window == wl_src->window)
  67                 return (0);
  68
  69         w = wl_dst->window;
  70         wl_dst->window = wl_src->window;
  71         wl_src->window = w;
  72
  73         if (!args_has(self->args, 'd')) {
  74                 session_select(dst, wl_dst->idx);
  75                 if (src != dst)
  76                         session_select(src, wl_src->idx);
  77         }
  78         session_group_synchronize_from(src);
  79         server_redraw_session_group(src);
  80         if (src != dst) {
  81                 session_group_synchronize_from(dst);
  82                 server_redraw_session_group(dst);
  83         }
  84         recalculate_sizes();
  85
  86         return (0);
  87 }