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tmux 2.4

    1: /* $OpenBSD$ */
    2: 
    3: /*
    4:  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
    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: static enum cmd_retval	cmd_swap_window_exec(struct cmd *, struct cmdq_item *);
   30: 
   31: const struct cmd_entry cmd_swap_window_entry = {
   32: 	.name = "swap-window",
   33: 	.alias = "swapw",
   34: 
   35: 	.args = { "ds:t:", 0, 0 },
   36: 	.usage = "[-d] " CMD_SRCDST_WINDOW_USAGE,
   37: 
   38: 	.sflag = CMD_WINDOW_MARKED,
   39: 	.tflag = CMD_WINDOW,
   40: 
   41: 	.flags = 0,
   42: 	.exec = cmd_swap_window_exec
   43: };
   44: 
   45: static enum cmd_retval
   46: cmd_swap_window_exec(struct cmd *self, struct cmdq_item *item)
   47: {
   48: 	struct session		*src, *dst;
   49: 	struct session_group	*sg_src, *sg_dst;
   50: 	struct winlink		*wl_src, *wl_dst;
   51: 	struct window		*w_src, *w_dst;
   52: 
   53: 	wl_src = item->state.sflag.wl;
   54: 	src = item->state.sflag.s;
   55: 	sg_src = session_group_contains(src);
   56: 
   57: 	wl_dst = item->state.tflag.wl;
   58: 	dst = item->state.tflag.s;
   59: 	sg_dst = session_group_contains(dst);
   60: 
   61: 	if (src != dst && sg_src != NULL && sg_dst != NULL &&
   62: 	    sg_src == sg_dst) {
   63: 		cmdq_error(item, "can't move window, sessions are grouped");
   64: 		return (CMD_RETURN_ERROR);
   65: 	}
   66: 
   67: 	if (wl_dst->window == wl_src->window)
   68: 		return (CMD_RETURN_NORMAL);
   69: 
   70: 	w_dst = wl_dst->window;
   71: 	TAILQ_REMOVE(&w_dst->winlinks, wl_dst, wentry);
   72: 	w_src = wl_src->window;
   73: 	TAILQ_REMOVE(&w_src->winlinks, wl_src, wentry);
   74: 
   75: 	wl_dst->window = w_src;
   76: 	TAILQ_INSERT_TAIL(&w_src->winlinks, wl_dst, wentry);
   77: 	wl_src->window = w_dst;
   78: 	TAILQ_INSERT_TAIL(&w_dst->winlinks, wl_src, wentry);
   79: 
   80: 	if (!args_has(self->args, 'd')) {
   81: 		session_select(dst, wl_dst->idx);
   82: 		if (src != dst)
   83: 			session_select(src, wl_src->idx);
   84: 	}
   85: 	session_group_synchronize_from(src);
   86: 	server_redraw_session_group(src);
   87: 	if (src != dst) {
   88: 		session_group_synchronize_from(dst);
   89: 		server_redraw_session_group(dst);
   90: 	}
   91: 	recalculate_sizes();
   92: 
   93: 	return (CMD_RETURN_NORMAL);
   94: }