1 /* $OpenBSD: cmd-swap-window.c,v 1.25 2019/08/26 16:35:41 nicm Exp $ */ 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 .source = { 's', CMD_FIND_WINDOW, CMD_FIND_DEFAULT_MARKED }, 39 .target = { 't', CMD_FIND_WINDOW, 0 }, 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->source.wl; 54 src = item->source.s; 55 sg_src = session_group_contains(src); 56 57 wl_dst = item->target.wl; 58 dst = item->target.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 } 95