GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: lib/libcurses/base/lib_window.c Lines: 0 86 0.0 %
Date: 2016-12-06 Branches: 0 84 0.0 %

Line Branch Exec Source
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/* $OpenBSD: lib_window.c,v 1.3 2010/01/12 23:22:06 nicm Exp $ */
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/****************************************************************************
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 * Copyright (c) 1998-2007,2008 Free Software Foundation, Inc.              *
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 *                                                                          *
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 * Permission is hereby granted, free of charge, to any person obtaining a  *
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 * copy of this software and associated documentation files (the            *
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 * "Software"), to deal in the Software without restriction, including      *
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 * without limitation the rights to use, copy, modify, merge, publish,      *
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 * distribute, distribute with modifications, sublicense, and/or sell       *
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 * copies of the Software, and to permit persons to whom the Software is    *
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 * furnished to do so, subject to the following conditions:                 *
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 *                                                                          *
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 * The above copyright notice and this permission notice shall be included  *
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 * in all copies or substantial portions of the Software.                   *
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 *                                                                          *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
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 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
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 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
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 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
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 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
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 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
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 * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
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 *                                                                          *
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 * Except as contained in this notice, the name(s) of the above copyright   *
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 * holders shall not be used in advertising or otherwise to promote the     *
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 * sale, use or other dealings in this Software without prior written       *
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 * authorization.                                                           *
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 ****************************************************************************/
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/****************************************************************************
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 *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
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 *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
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 ****************************************************************************/
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/*
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**	lib_window.c
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**
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**
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*/
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#include <curses.priv.h>
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MODULE_ID("$Id: lib_window.c,v 1.3 2010/01/12 23:22:06 nicm Exp $")
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NCURSES_EXPORT(void)
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_nc_synchook(WINDOW *win)
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/* hook to be called after each window change */
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{
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    if (win->_immed)
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	wrefresh(win);
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    if (win->_sync)
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	wsyncup(win);
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}
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NCURSES_EXPORT(int)
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mvderwin(WINDOW *win, int y, int x)
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/* move a derived window */
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{
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    WINDOW *orig;
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    int i;
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    T((T_CALLED("mvderwin(%p,%d,%d)"), win, y, x));
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    if (win && (orig = win->_parent)) {
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	if (win->_parx == x && win->_pary == y)
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	    returnCode(OK);
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	if (x < 0 || y < 0)
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	    returnCode(ERR);
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	if ((x + getmaxx(win) > getmaxx(orig)) ||
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	    (y + getmaxy(win) > getmaxy(orig)))
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	    returnCode(ERR);
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    } else
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	returnCode(ERR);
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    wsyncup(win);
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    win->_parx = x;
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    win->_pary = y;
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    for (i = 0; i < getmaxy(win); i++)
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	win->_line[i].text = &(orig->_line[y++].text[x]);
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    returnCode(OK);
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}
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NCURSES_EXPORT(int)
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syncok(WINDOW *win, bool bf)
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/* enable/disable automatic wsyncup() on each change to window */
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{
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    T((T_CALLED("syncok(%p,%d)"), win, bf));
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    if (win) {
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	win->_sync = bf;
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	returnCode(OK);
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    } else
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	returnCode(ERR);
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}
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NCURSES_EXPORT(void)
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wsyncup(WINDOW *win)
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/* mark changed every cell in win's ancestors that is changed in win */
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/* Rewritten by J. Pfeifer, 1-Apr-96 (don't even think that...)      */
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{
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    WINDOW *wp;
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    T((T_CALLED("wsyncup(%p)"), win));
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    if (win && win->_parent) {
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	for (wp = win; wp->_parent; wp = wp->_parent) {
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	    int y;
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	    WINDOW *pp = wp->_parent;
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	    assert((wp->_pary <= pp->_maxy) &&
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		   ((wp->_pary + wp->_maxy) <= pp->_maxy));
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	    for (y = 0; y <= wp->_maxy; y++) {
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		int left = wp->_line[y].firstchar;
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		if (left >= 0) {	/* line is touched */
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		    struct ldat *line = &(pp->_line[wp->_pary + y]);
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		    /* left & right character in parent window coordinates */
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		    int right = wp->_line[y].lastchar + wp->_parx;
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		    left += wp->_parx;
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		    CHANGED_RANGE(line, left, right);
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		}
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	    }
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	}
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    }
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    returnVoid;
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}
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NCURSES_EXPORT(void)
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wsyncdown(WINDOW *win)
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/* mark changed every cell in win that is changed in any of its ancestors */
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/* Rewritten by J. Pfeifer, 1-Apr-96 (don't even think that...)           */
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{
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    T((T_CALLED("wsyncdown(%p)"), win));
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    if (win && win->_parent) {
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	WINDOW *pp = win->_parent;
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	int y;
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	/* This recursion guarantees, that the changes are propagated down-
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	   wards from the root to our direct parent. */
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	wsyncdown(pp);
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	/* and now we only have to propagate the changes from our direct
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	   parent, if there are any. */
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	assert((win->_pary <= pp->_maxy) &&
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	       ((win->_pary + win->_maxy) <= pp->_maxy));
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	for (y = 0; y <= win->_maxy; y++) {
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	    if (pp->_line[win->_pary + y].firstchar >= 0) {	/* parent changed */
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		struct ldat *line = &(win->_line[y]);
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		/* left and right character in child coordinates */
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		int left = pp->_line[win->_pary + y].firstchar - win->_parx;
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		int right = pp->_line[win->_pary + y].lastchar - win->_parx;
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		/* The change may be outside the child's range */
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		if (left < 0)
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		    left = 0;
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		if (right > win->_maxx)
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		    right = win->_maxx;
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		CHANGED_RANGE(line, left, right);
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	    }
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	}
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    }
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    returnVoid;
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}
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NCURSES_EXPORT(void)
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wcursyncup(WINDOW *win)
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/* sync the cursor in all derived windows to its value in the base window */
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{
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    WINDOW *wp;
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    T((T_CALLED("wcursyncup(%p)"), win));
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    for (wp = win; wp && wp->_parent; wp = wp->_parent) {
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	wmove(wp->_parent, wp->_pary + wp->_cury, wp->_parx + wp->_curx);
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    }
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    returnVoid;
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}
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NCURSES_EXPORT(WINDOW *)
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dupwin(WINDOW *win)
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/* make an exact duplicate of the given window */
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{
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    WINDOW *nwin = 0;
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    size_t linesize;
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    int i;
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    T((T_CALLED("dupwin(%p)"), win));
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    if (win != 0) {
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	_nc_lock_global(curses);
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	if (win->_flags & _ISPAD) {
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	    nwin = newpad(win->_maxy + 1,
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			  win->_maxx + 1);
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	} else {
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	    nwin = newwin(win->_maxy + 1,
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			  win->_maxx + 1,
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			  win->_begy,
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			  win->_begx);
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	}
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	if (nwin != 0) {
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	    nwin->_curx = win->_curx;
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	    nwin->_cury = win->_cury;
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	    nwin->_maxy = win->_maxy;
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	    nwin->_maxx = win->_maxx;
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	    nwin->_begy = win->_begy;
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	    nwin->_begx = win->_begx;
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	    nwin->_yoffset = win->_yoffset;
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	    nwin->_flags = win->_flags & ~_SUBWIN;
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	    /* Due to the use of newwin(), the clone is not a subwindow.
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	     * The text is really copied into the clone.
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	     */
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	    WINDOW_ATTRS(nwin) = WINDOW_ATTRS(win);
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	    nwin->_nc_bkgd = win->_nc_bkgd;
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	    nwin->_notimeout = win->_notimeout;
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	    nwin->_clear = win->_clear;
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	    nwin->_leaveok = win->_leaveok;
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	    nwin->_scroll = win->_scroll;
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	    nwin->_idlok = win->_idlok;
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	    nwin->_idcok = win->_idcok;
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	    nwin->_immed = win->_immed;
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	    nwin->_sync = win->_sync;
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	    nwin->_use_keypad = win->_use_keypad;
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	    nwin->_delay = win->_delay;
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	    nwin->_parx = 0;
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	    nwin->_pary = 0;
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	    nwin->_parent = (WINDOW *) 0;
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	    /* See above: the clone isn't a subwindow! */
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	    nwin->_regtop = win->_regtop;
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	    nwin->_regbottom = win->_regbottom;
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	    if (win->_flags & _ISPAD)
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		nwin->_pad = win->_pad;
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	    linesize = (win->_maxx + 1) * sizeof(NCURSES_CH_T);
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	    for (i = 0; i <= nwin->_maxy; i++) {
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		memcpy(nwin->_line[i].text, win->_line[i].text, linesize);
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		nwin->_line[i].firstchar = win->_line[i].firstchar;
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		nwin->_line[i].lastchar = win->_line[i].lastchar;
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	    }
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	}
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	_nc_unlock_global(curses);
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    }
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    returnWin(nwin);
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}