1 /* $OpenBSD: cmd-swap-pane.c,v 1.35 2019/08/14 09:58:31 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 }, 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 = self->args; 49 struct window *src_w, *dst_w; 50 struct window_pane *tmp_wp, *src_wp, *dst_wp; 51 struct layout_cell *src_lc, *dst_lc; 52 u_int sx, sy, xoff, yoff; 53 54 dst_w = item->target.wl->window; 55 dst_wp = item->target.wp; 56 src_w = item->source.wl->window; 57 src_wp = item->source.wp; 58 59 if (window_push_zoom(dst_w, args_has(args, 'Z'))) 60 server_redraw_window(dst_w); 61 62 if (args_has(args, 'D')) { 63 src_w = dst_w; 64 src_wp = TAILQ_NEXT(dst_wp, entry); 65 if (src_wp == NULL) 66 src_wp = TAILQ_FIRST(&dst_w->panes); 67 } else if (args_has(args, 'U')) { 68 src_w = dst_w; 69 src_wp = TAILQ_PREV(dst_wp, window_panes, entry); 70 if (src_wp == NULL) 71 src_wp = TAILQ_LAST(&dst_w->panes, window_panes); 72 } 73 74 if (src_w != dst_w && window_push_zoom(src_w, args_has(args, 'Z'))) 75 server_redraw_window(src_w); 76 77 if (src_wp == dst_wp) 78 goto out; 79 80 tmp_wp = TAILQ_PREV(dst_wp, window_panes, entry); 81 TAILQ_REMOVE(&dst_w->panes, dst_wp, entry); 82 TAILQ_REPLACE(&src_w->panes, src_wp, dst_wp, entry); 83 if (tmp_wp == src_wp) 84 tmp_wp = dst_wp; 85 if (tmp_wp == NULL) 86 TAILQ_INSERT_HEAD(&dst_w->panes, src_wp, entry); 87 else 88 TAILQ_INSERT_AFTER(&dst_w->panes, tmp_wp, src_wp, entry); 89 90 src_lc = src_wp->layout_cell; 91 dst_lc = dst_wp->layout_cell; 92 src_lc->wp = dst_wp; 93 dst_wp->layout_cell = src_lc; 94 dst_lc->wp = src_wp; 95 src_wp->layout_cell = dst_lc; 96 97 src_wp->window = dst_w; 98 options_set_parent(src_wp->options, dst_w->options); 99 src_wp->flags |= PANE_STYLECHANGED; 100 dst_wp->window = src_w; 101 options_set_parent(dst_wp->options, src_w->options); 102 dst_wp->flags |= PANE_STYLECHANGED; 103 104 sx = src_wp->sx; sy = src_wp->sy; 105 xoff = src_wp->xoff; yoff = src_wp->yoff; 106 src_wp->xoff = dst_wp->xoff; src_wp->yoff = dst_wp->yoff; 107 window_pane_resize(src_wp, dst_wp->sx, dst_wp->sy); 108 dst_wp->xoff = xoff; dst_wp->yoff = yoff; 109 window_pane_resize(dst_wp, sx, sy); 110 111 if (!args_has(args, 'd')) { 112 if (src_w != dst_w) { 113 window_set_active_pane(src_w, dst_wp, 1); 114 window_set_active_pane(dst_w, src_wp, 1); 115 } else { 116 tmp_wp = dst_wp; 117 window_set_active_pane(src_w, tmp_wp, 1); 118 } 119 } else { 120 if (src_w->active == src_wp) 121 window_set_active_pane(src_w, dst_wp, 1); 122 if (dst_w->active == dst_wp) 123 window_set_active_pane(dst_w, src_wp, 1); 124 } 125 if (src_w != dst_w) { 126 if (src_w->last == src_wp) 127 src_w->last = NULL; 128 if (dst_w->last == dst_wp) 129 dst_w->last = NULL; 130 } 131 server_redraw_window(src_w); 132 server_redraw_window(dst_w); 133 134 out: 135 if (window_pop_zoom(src_w)) 136 server_redraw_window(src_w); 137 if (src_w != dst_w && window_pop_zoom(dst_w)) 138 server_redraw_window(dst_w); 139 return (CMD_RETURN_NORMAL); 140 } 141