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tmux 2.4

    1: /* $OpenBSD$ */
    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:U", 0, 0 },
   36: 	.usage = "[-dDU] " CMD_SRCDST_PANE_USAGE,
   37: 
   38: 	.sflag = CMD_PANE_MARKED,
   39: 	.tflag = CMD_PANE,
   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 window		*src_w, *dst_w;
   49: 	struct window_pane	*tmp_wp, *src_wp, *dst_wp;
   50: 	struct layout_cell	*src_lc, *dst_lc;
   51: 	u_int			 sx, sy, xoff, yoff;
   52: 
   53: 	dst_w = item->state.tflag.wl->window;
   54: 	dst_wp = item->state.tflag.wp;
   55: 	src_w = item->state.sflag.wl->window;
   56: 	src_wp = item->state.sflag.wp;
   57: 	server_unzoom_window(dst_w);
   58: 
   59: 	if (args_has(self->args, 'D')) {
   60: 		src_w = dst_w;
   61: 		src_wp = TAILQ_NEXT(dst_wp, entry);
   62: 		if (src_wp == NULL)
   63: 			src_wp = TAILQ_FIRST(&dst_w->panes);
   64: 	} else if (args_has(self->args, 'U')) {
   65: 		src_w = dst_w;
   66: 		src_wp = TAILQ_PREV(dst_wp, window_panes, entry);
   67: 		if (src_wp == NULL)
   68: 			src_wp = TAILQ_LAST(&dst_w->panes, window_panes);
   69: 	}
   70: 	server_unzoom_window(src_w);
   71: 
   72: 	if (src_wp == dst_wp)
   73: 		return (CMD_RETURN_NORMAL);
   74: 
   75: 	tmp_wp = TAILQ_PREV(dst_wp, window_panes, entry);
   76: 	TAILQ_REMOVE(&dst_w->panes, dst_wp, entry);
   77: 	TAILQ_REPLACE(&src_w->panes, src_wp, dst_wp, entry);
   78: 	if (tmp_wp == src_wp)
   79: 		tmp_wp = dst_wp;
   80: 	if (tmp_wp == NULL)
   81: 		TAILQ_INSERT_HEAD(&dst_w->panes, src_wp, entry);
   82: 	else
   83: 		TAILQ_INSERT_AFTER(&dst_w->panes, tmp_wp, src_wp, entry);
   84: 
   85: 	src_lc = src_wp->layout_cell;
   86: 	dst_lc = dst_wp->layout_cell;
   87: 	src_lc->wp = dst_wp;
   88: 	dst_wp->layout_cell = src_lc;
   89: 	dst_lc->wp = src_wp;
   90: 	src_wp->layout_cell = dst_lc;
   91: 
   92: 	src_wp->window = dst_w;
   93: 	dst_wp->window = src_w;
   94: 
   95: 	sx = src_wp->sx; sy = src_wp->sy;
   96: 	xoff = src_wp->xoff; yoff = src_wp->yoff;
   97: 	src_wp->xoff = dst_wp->xoff; src_wp->yoff = dst_wp->yoff;
   98: 	window_pane_resize(src_wp, dst_wp->sx, dst_wp->sy);
   99: 	dst_wp->xoff = xoff; dst_wp->yoff = yoff;
  100: 	window_pane_resize(dst_wp, sx, sy);
  101: 
  102: 	if (!args_has(self->args, 'd')) {
  103: 		if (src_w != dst_w) {
  104: 			window_set_active_pane(src_w, dst_wp);
  105: 			window_set_active_pane(dst_w, src_wp);
  106: 		} else {
  107: 			tmp_wp = dst_wp;
  108: 			if (!window_pane_visible(tmp_wp))
  109: 				tmp_wp = src_wp;
  110: 			window_set_active_pane(src_w, tmp_wp);
  111: 		}
  112: 	} else {
  113: 		if (src_w->active == src_wp)
  114: 			window_set_active_pane(src_w, dst_wp);
  115: 		if (dst_w->active == dst_wp)
  116: 			window_set_active_pane(dst_w, src_wp);
  117: 	}
  118: 	if (src_w != dst_w) {
  119: 		if (src_w->last == src_wp)
  120: 			src_w->last = NULL;
  121: 		if (dst_w->last == dst_wp)
  122: 			dst_w->last = NULL;
  123: 	}
  124: 	server_redraw_window(src_w);
  125: 	server_redraw_window(dst_w);
  126: 
  127: 	return (CMD_RETURN_NORMAL);
  128: }