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tetex-bin  3.0
lib_hline.c
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00001 /****************************************************************************
00002  * Copyright (c) 1998,1999,2000,2001 Free Software Foundation, Inc.         *
00003  *                                                                          *
00004  * Permission is hereby granted, free of charge, to any person obtaining a  *
00005  * copy of this software and associated documentation files (the            *
00006  * "Software"), to deal in the Software without restriction, including      *
00007  * without limitation the rights to use, copy, modify, merge, publish,      *
00008  * distribute, distribute with modifications, sublicense, and/or sell       *
00009  * copies of the Software, and to permit persons to whom the Software is    *
00010  * furnished to do so, subject to the following conditions:                 *
00011  *                                                                          *
00012  * The above copyright notice and this permission notice shall be included  *
00013  * in all copies or substantial portions of the Software.                   *
00014  *                                                                          *
00015  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
00016  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
00017  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
00018  * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
00019  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
00020  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
00021  * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
00022  *                                                                          *
00023  * Except as contained in this notice, the name(s) of the above copyright   *
00024  * holders shall not be used in advertising or otherwise to promote the     *
00025  * sale, use or other dealings in this Software without prior written       *
00026  * authorization.                                                           *
00027  ****************************************************************************/
00028 
00029 /****************************************************************************
00030  *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
00031  *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
00032  ****************************************************************************/
00033 
00034 /*
00035 **     lib_hline.c
00036 **
00037 **     The routine whline().
00038 **
00039 */
00040 
00041 #include <curses.priv.h>
00042 
00043 MODULE_ID("$Id: lib_hline.c,v 1.10 2001/06/03 00:39:24 skimo Exp $")
00044 
00045 NCURSES_EXPORT(int)
00046 whline(WINDOW *win, chtype ch, int n)
00047 {
00048     int code = ERR;
00049     NCURSES_SIZE_T start;
00050     NCURSES_SIZE_T end;
00051 
00052     T((T_CALLED("whline(%p,%s,%d)"), win, _tracechtype(ch), n));
00053 
00054     if (win) {
00055        struct ldat *line = &(win->_line[win->_cury]);
00056        NCURSES_CH_T wch;
00057 
00058        start = win->_curx;
00059        end = start + n - 1;
00060        if (end > win->_maxx)
00061            end = win->_maxx;
00062 
00063        CHANGED_RANGE(line, start, end);
00064 
00065        if (ch == 0)
00066            SetChar(wch, ChCharOf(ACS_HLINE), ChAttrOf(ACS_HLINE));
00067        else
00068            SetChar(wch, ChCharOf(ch), ChAttrOf(ch));
00069        wch = _nc_render(win, wch);
00070 
00071        while (end >= start) {
00072            line->text[end] = wch;
00073            end--;
00074        }
00075 
00076        _nc_synchook(win);
00077        code = OK;
00078     }
00079     returnCode(code);
00080 }