lib_box.c   [plain text]

/****************************************************************************
 * Copyright (c) 1998,2000,2001 Free Software Foundation, Inc.              *
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 * copy of this software and associated documentation files (the            *
 * "Software"), to deal in the Software without restriction, including      *
 * without limitation the rights to use, copy, modify, merge, publish,      *
 * distribute, distribute with modifications, sublicense, and/or sell       *
 * copies of the Software, and to permit persons to whom the Software is    *
 * furnished to do so, subject to the following conditions:                 *
 *                                                                          *
 * The above copyright notice and this permission notice shall be included  *
 * in all copies or substantial portions of the Software.                   *
 *                                                                          *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
 * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
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 ****************************************************************************/

/****************************************************************************
 *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
 *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
 ****************************************************************************/

/*
**	lib_box.c
**
**	The routine wborder().
**
*/

#include <curses.priv.h>

MODULE_ID("$Id: lib_box.c,v 1.1.1.1 2001/11/29 20:40:56 jevans Exp $")

#if USE_WIDEC_SUPPORT
NCURSES_EXPORT(int)
#else
static inline int
#endif
wborder_set(WINDOW *win,
	    const ARG_CH_T ls, const ARG_CH_T rs,
	    const ARG_CH_T ts, const ARG_CH_T bs,
	    const ARG_CH_T tl, const ARG_CH_T tr,
	    const ARG_CH_T bl, const ARG_CH_T br)
{
    NCURSES_SIZE_T i;
    NCURSES_SIZE_T endx, endy;
    NCURSES_CH_T wls, wrs, wts, wbs, wtl, wtr, wbl, wbr;

    T((T_CALLED("wborder(%p,%s,%s,%s,%s,%s,%s,%s,%s)"),
       win,
       _tracech_t2(1, ls),
       _tracech_t2(2, rs),
       _tracech_t2(3, ts),
       _tracech_t2(4, bs),
       _tracech_t2(5, tl),
       _tracech_t2(6, tr),
       _tracech_t2(7, bl),
       _tracech_t2(8, br)));

    if (!win)
	returnCode(ERR);

#define RENDER_WITH_DEFAULT(ch,def)					\
    if (ch == 0)							\
	SetChar(w ## ch,ChCharOf(def),ChAttrOf(def));			\
    else w ## ch = CHDEREF(ch);						\
    w ## ch = _nc_render(win, w ## ch)

    RENDER_WITH_DEFAULT(ls, ACS_VLINE);
    RENDER_WITH_DEFAULT(rs, ACS_VLINE);
    RENDER_WITH_DEFAULT(ts, ACS_HLINE);
    RENDER_WITH_DEFAULT(bs, ACS_HLINE);
    RENDER_WITH_DEFAULT(tl, ACS_ULCORNER);
    RENDER_WITH_DEFAULT(tr, ACS_URCORNER);
    RENDER_WITH_DEFAULT(bl, ACS_LLCORNER);
    RENDER_WITH_DEFAULT(br, ACS_LRCORNER);

    T(("using %s, %s, %s, %s, %s, %s, %s, %s",
       _tracech_t2(1, CHREF(wls)),
       _tracech_t2(2, CHREF(wrs)),
       _tracech_t2(3, CHREF(wts)),
       _tracech_t2(4, CHREF(wbs)),
       _tracech_t2(5, CHREF(wtl)),
       _tracech_t2(6, CHREF(wtr)),
       _tracech_t2(7, CHREF(wbl)),
       _tracech_t2(8, CHREF(wbr))));

    endx = win->_maxx;
    endy = win->_maxy;

    for (i = 0; i <= endx; i++) {
	win->_line[0].text[i] = wts;
	win->_line[endy].text[i] = wbs;
    }
    win->_line[endy].firstchar = win->_line[0].firstchar = 0;
    win->_line[endy].lastchar = win->_line[0].lastchar = endx;

    for (i = 0; i <= endy; i++) {
	win->_line[i].text[0] = wls;
	win->_line[i].text[endx] = wrs;
	win->_line[i].firstchar = 0;
	win->_line[i].lastchar = endx;
    }
    win->_line[0].text[0] = wtl;
    win->_line[0].text[endx] = wtr;
    win->_line[endy].text[0] = wbl;
    win->_line[endy].text[endx] = wbr;

    _nc_synchook(win);
    returnCode(OK);
}

#define WIDEVAR(v) \
    SetChar2(w ## v,v)
#define WIDEPASS(v) \
    (v ? CHREF(w ## v) : (ARG_CH_T) 0)

NCURSES_EXPORT(int)
wborder(WINDOW *win,
	chtype ls, chtype rs, chtype ts, chtype bs,
	chtype tl, chtype tr, chtype bl, chtype br)
{
    NCURSES_CH_T wls, wrs, wts, wbs, wtl, wtr, wbl, wbr;
    WIDEVAR(ls);
    WIDEVAR(rs);
    WIDEVAR(ts);
    WIDEVAR(bs);
    WIDEVAR(tl);
    WIDEVAR(tr);
    WIDEVAR(bl);
    WIDEVAR(br);
    return wborder_set(win,
		       WIDEPASS(ls), WIDEPASS(rs), WIDEPASS(ts), WIDEPASS(bs),
		       WIDEPASS(tl), WIDEPASS(tr), WIDEPASS(bl), WIDEPASS(br));
}