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    /* $OpenBSD: cmd-swap-pane.c,v 1.31 2017/04/22 10:22:39 nicm Exp $ */  | 
    
    
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    /*  | 
    
    
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     * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>  | 
    
    
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     *  | 
    
    
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     * Permission to use, copy, modify, and distribute this software for any  | 
    
    
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     * purpose with or without fee is hereby granted, provided that the above  | 
    
    
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     * copyright notice and this permission notice appear in all copies.  | 
    
    
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     *  | 
    
    
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     * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES  | 
    
    
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     * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF  | 
    
    
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     * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR  | 
    
    
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     * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES  | 
    
    
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     * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER  | 
    
    
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     * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING  | 
    
    
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     * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.  | 
    
    
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     */  | 
    
    
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    #include <sys/types.h>  | 
    
    
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    #include <stdlib.h>  | 
    
    
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    #include "tmux.h"  | 
    
    
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    /*  | 
    
    
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     * Swap two panes.  | 
    
    
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     */  | 
    
    
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    static enum cmd_retval	cmd_swap_pane_exec(struct cmd *, struct cmdq_item *);  | 
    
    
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    const struct cmd_entry cmd_swap_pane_entry = { | 
    
    
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    	.name = "swap-pane",  | 
    
    
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    	.alias = "swapp",  | 
    
    
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    	.args = { "dDs:t:U", 0, 0 }, | 
    
    
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    	.usage = "[-dDU] " CMD_SRCDST_PANE_USAGE,  | 
    
    
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    	.source = { 's', CMD_FIND_PANE, CMD_FIND_DEFAULT_MARKED }, | 
    
    
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    	.target = { 't', CMD_FIND_PANE, 0 }, | 
    
    
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    	.flags = 0,  | 
    
    
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    	.exec = cmd_swap_pane_exec  | 
    
    
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    };  | 
    
    
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    static enum cmd_retval  | 
    
    
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    cmd_swap_pane_exec(struct cmd *self, struct cmdq_item *item)  | 
    
    
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    { | 
    
    
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    	struct window		*src_w, *dst_w;  | 
    
    
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    	struct window_pane	*tmp_wp, *src_wp, *dst_wp;  | 
    
    
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    	struct layout_cell	*src_lc, *dst_lc;  | 
    
    
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    	u_int			 sx, sy, xoff, yoff;  | 
    
    
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    	dst_w = item->target.wl->window;  | 
    
    
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    	dst_wp = item->target.wp;  | 
    
    
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    	src_w = item->source.wl->window;  | 
    
    
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    	src_wp = item->source.wp;  | 
    
    
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    	server_unzoom_window(dst_w);  | 
    
    
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    	if (args_has(self->args, 'D')) { | 
    
    
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    		src_w = dst_w;  | 
    
    
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    		src_wp = TAILQ_NEXT(dst_wp, entry);  | 
    
    
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    		if (src_wp == NULL)  | 
    
    
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    			src_wp = TAILQ_FIRST(&dst_w->panes);  | 
    
    
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    	} else if (args_has(self->args, 'U')) { | 
    
    
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    		src_w = dst_w;  | 
    
    
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    		src_wp = TAILQ_PREV(dst_wp, window_panes, entry);  | 
    
    
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    		if (src_wp == NULL)  | 
    
    
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    			src_wp = TAILQ_LAST(&dst_w->panes, window_panes);  | 
    
    
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    	}  | 
    
    
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    	server_unzoom_window(src_w);  | 
    
    
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    	if (src_wp == dst_wp)  | 
    
    
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    		return (CMD_RETURN_NORMAL);  | 
    
    
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    	tmp_wp = TAILQ_PREV(dst_wp, window_panes, entry);  | 
    
    
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    	TAILQ_REMOVE(&dst_w->panes, dst_wp, entry);  | 
    
    
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    	TAILQ_REPLACE(&src_w->panes, src_wp, dst_wp, entry);  | 
    
    
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    	if (tmp_wp == src_wp)  | 
    
    
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    		tmp_wp = dst_wp;  | 
    
    
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    	if (tmp_wp == NULL)  | 
    
    
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    		TAILQ_INSERT_HEAD(&dst_w->panes, src_wp, entry);  | 
    
    
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    	else  | 
    
    
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    		TAILQ_INSERT_AFTER(&dst_w->panes, tmp_wp, src_wp, entry);  | 
    
    
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    	src_lc = src_wp->layout_cell;  | 
    
    
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    	dst_lc = dst_wp->layout_cell;  | 
    
    
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    	src_lc->wp = dst_wp;  | 
    
    
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    	dst_wp->layout_cell = src_lc;  | 
    
    
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    	dst_lc->wp = src_wp;  | 
    
    
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    	src_wp->layout_cell = dst_lc;  | 
    
    
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    	src_wp->window = dst_w;  | 
    
    
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    	dst_wp->window = src_w;  | 
    
    
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    	sx = src_wp->sx; sy = src_wp->sy;  | 
    
    
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    	xoff = src_wp->xoff; yoff = src_wp->yoff;  | 
    
    
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    	src_wp->xoff = dst_wp->xoff; src_wp->yoff = dst_wp->yoff;  | 
    
    
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    	window_pane_resize(src_wp, dst_wp->sx, dst_wp->sy);  | 
    
    
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    	dst_wp->xoff = xoff; dst_wp->yoff = yoff;  | 
    
    
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    	window_pane_resize(dst_wp, sx, sy);  | 
    
    
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    	if (!args_has(self->args, 'd')) { | 
    
    
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    		if (src_w != dst_w) { | 
    
    
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    			window_set_active_pane(src_w, dst_wp);  | 
    
    
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    			window_set_active_pane(dst_w, src_wp);  | 
    
    
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    		} else { | 
    
    
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    			tmp_wp = dst_wp;  | 
    
    
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    			if (!window_pane_visible(tmp_wp))  | 
    
    
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    				tmp_wp = src_wp;  | 
    
    
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    			window_set_active_pane(src_w, tmp_wp);  | 
    
    
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    		}  | 
    
    
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    	} else { | 
    
    
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    		if (src_w->active == src_wp)  | 
    
    
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    			window_set_active_pane(src_w, dst_wp);  | 
    
    
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    		if (dst_w->active == dst_wp)  | 
    
    
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    			window_set_active_pane(dst_w, src_wp);  | 
    
    
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    	}  | 
    
    
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    	if (src_w != dst_w) { | 
    
    
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    		if (src_w->last == src_wp)  | 
    
    
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    			src_w->last = NULL;  | 
    
    
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    		if (dst_w->last == dst_wp)  | 
    
    
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    			dst_w->last = NULL;  | 
    
    
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    	}  | 
    
    
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    	server_redraw_window(src_w);  | 
    
    
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    	server_redraw_window(dst_w);  | 
    
    
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    	return (CMD_RETURN_NORMAL);  | 
    
    
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    }  |