1 /* $OpenBSD: cmd-swap-pane.c,v 1.40 2021/08/21 10:22:39 nicm Exp $ */ 2 3 /* 4 * Copyright (c) 2009 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 two panes. 27 */ 28 29 static enum cmd_retval cmd_swap_pane_exec(struct cmd *, struct cmdq_item *); 30 31 const struct cmd_entry cmd_swap_pane_entry = { 32 .name = "swap-pane", 33 .alias = "swapp", 34 35 .args = { "dDs:t:UZ", 0, 0, NULL }, 36 .usage = "[-dDUZ] " CMD_SRCDST_PANE_USAGE, 37 38 .source = { 's', CMD_FIND_PANE, CMD_FIND_DEFAULT_MARKED }, 39 .target = { 't', CMD_FIND_PANE, 0 }, 40 41 .flags = 0, 42 .exec = cmd_swap_pane_exec 43 }; 44 45 static enum cmd_retval 46 cmd_swap_pane_exec(struct cmd *self, struct cmdq_item *item) 47 { 48 struct args *args = cmd_get_args(self); 49 struct cmd_find_state *source = cmdq_get_source(item); 50 struct cmd_find_state *target = cmdq_get_target(item); 51 struct window *src_w, *dst_w; 52 struct window_pane *tmp_wp, *src_wp, *dst_wp; 53 struct layout_cell *src_lc, *dst_lc; 54 u_int sx, sy, xoff, yoff; 55 56 dst_w = target->wl->window; 57 dst_wp = target->wp; 58 src_w = source->wl->window; 59 src_wp = source->wp; 60 61 if (window_push_zoom(dst_w, 0, args_has(args, 'Z'))) 62 server_redraw_window(dst_w); 63 64 if (args_has(args, 'D')) { 65 src_w = dst_w; 66 src_wp = TAILQ_NEXT(dst_wp, entry); 67 if (src_wp == NULL) 68 src_wp = TAILQ_FIRST(&dst_w->panes); 69 } else if (args_has(args, 'U')) { 70 src_w = dst_w; 71 src_wp = TAILQ_PREV(dst_wp, window_panes, entry); 72 if (src_wp == NULL) 73 src_wp = TAILQ_LAST(&dst_w->panes, window_panes); 74 } 75 76 if (src_w != dst_w && window_push_zoom(src_w, 0, args_has(args, 'Z'))) 77 server_redraw_window(src_w); 78 79 if (src_wp == dst_wp) 80 goto out; 81 82 server_client_remove_pane(src_wp); 83 server_client_remove_pane(dst_wp); 84 85 tmp_wp = TAILQ_PREV(dst_wp, window_panes, entry); 86 TAILQ_REMOVE(&dst_w->panes, dst_wp, entry); 87 TAILQ_REPLACE(&src_w->panes, src_wp, dst_wp, entry); 88 if (tmp_wp == src_wp) 89 tmp_wp = dst_wp; 90 if (tmp_wp == NULL) 91 TAILQ_INSERT_HEAD(&dst_w->panes, src_wp, entry); 92 else 93 TAILQ_INSERT_AFTER(&dst_w->panes, tmp_wp, src_wp, entry); 94 95 src_lc = src_wp->layout_cell; 96 dst_lc = dst_wp->layout_cell; 97 src_lc->wp = dst_wp; 98 dst_wp->layout_cell = src_lc; 99 dst_lc->wp = src_wp; 100 src_wp->layout_cell = dst_lc; 101 102 src_wp->window = dst_w; 103 options_set_parent(src_wp->options, dst_w->options); 104 src_wp->flags |= PANE_STYLECHANGED; 105 dst_wp->window = src_w; 106 options_set_parent(dst_wp->options, src_w->options); 107 dst_wp->flags |= PANE_STYLECHANGED; 108 109 sx = src_wp->sx; sy = src_wp->sy; 110 xoff = src_wp->xoff; yoff = src_wp->yoff; 111 src_wp->xoff = dst_wp->xoff; src_wp->yoff = dst_wp->yoff; 112 window_pane_resize(src_wp, dst_wp->sx, dst_wp->sy); 113 dst_wp->xoff = xoff; dst_wp->yoff = yoff; 114 window_pane_resize(dst_wp, sx, sy); 115 116 if (!args_has(args, 'd')) { 117 if (src_w != dst_w) { 118 window_set_active_pane(src_w, dst_wp, 1); 119 window_set_active_pane(dst_w, src_wp, 1); 120 } else { 121 tmp_wp = dst_wp; 122 window_set_active_pane(src_w, tmp_wp, 1); 123 } 124 } else { 125 if (src_w->active == src_wp) 126 window_set_active_pane(src_w, dst_wp, 1); 127 if (dst_w->active == dst_wp) 128 window_set_active_pane(dst_w, src_wp, 1); 129 } 130 if (src_w != dst_w) { 131 if (src_w->last == src_wp) 132 src_w->last = NULL; 133 if (dst_w->last == dst_wp) 134 dst_w->last = NULL; 135 } 136 server_redraw_window(src_w); 137 server_redraw_window(dst_w); 138 139 out: 140 if (window_pop_zoom(src_w)) 141 server_redraw_window(src_w); 142 if (src_w != dst_w && window_pop_zoom(dst_w)) 143 server_redraw_window(dst_w); 144 return (CMD_RETURN_NORMAL); 145 } 146