ncurses/base/lib_box.c

   1 /****************************************************************************
   2  * Copyright 2020 Thomas E. Dickey                                          *
   3  * Copyright 1998-2010,2017 Free Software Foundation, Inc.                  *
   4  *                                                                          *
   5  * Permission is hereby granted, free of charge, to any person obtaining a  *
   6  * copy of this software and associated documentation files (the            *
   7  * "Software"), to deal in the Software without restriction, including      *
   8  * without limitation the rights to use, copy, modify, merge, publish,      *
   9  * distribute, distribute with modifications, sublicense, and/or sell       *
  10  * copies of the Software, and to permit persons to whom the Software is    *
  11  * furnished to do so, subject to the following conditions:                 *
  12  *                                                                          *
  13  * The above copyright notice and this permission notice shall be included  *
  14  * in all copies or substantial portions of the Software.                   *
  15  *                                                                          *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
  17  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
  18  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
  19  * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
  20  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
  21  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
  22  * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
  23  *                                                                          *
  24  * Except as contained in this notice, the name(s) of the above copyright   *
  25  * holders shall not be used in advertising or otherwise to promote the     *
  26  * sale, use or other dealings in this Software without prior written       *
  27  * authorization.                                                           *
  28  ****************************************************************************/
  29
  30 /****************************************************************************
  31  *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
  32  *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
  33  *     and: Thomas E. Dickey                        1996-on                 *
  34  *     and: Sven Verdoolaege                        2001                    *
  35  ****************************************************************************/
  36
  37 /*
  38 **      lib_box.c
  39 **
  40 **      The routine wborder().
  41 **
  42 */
  43
  44 #include <curses.priv.h>
  45
  46 MODULE_ID("$Id: lib_box.c,v 1.26 2020/02/02 23:34:34 tom Exp $")
  47
  48 #if USE_WIDEC_SUPPORT
  49 static NCURSES_INLINE chtype
  50 _my_render(WINDOW *win, chtype ch)
  51 {
  52     NCURSES_CH_T wch;
  53     SetChar2(wch, ch);
  54     wch = _nc_render(win, wch);
  55     return ((attr_t) CharOf(wch)) | AttrOf(wch);
  56 }
  57
  58 #define RENDER_WITH_DEFAULT(ch,def) w ## ch = _my_render(win, (ch == 0) ? def : ch)
  59 #else
  60 #define RENDER_WITH_DEFAULT(ch,def) w ## ch = _nc_render(win, (ch == 0) ? def : ch)
  61 #endif
  62
  63 NCURSES_EXPORT(int)
  64 wborder(WINDOW *win,
  65         chtype ls, chtype rs,
  66         chtype ts, chtype bs,
  67         chtype tl, chtype tr,
  68         chtype bl, chtype br)
  69 {
  70     NCURSES_SIZE_T i;
  71     NCURSES_SIZE_T endx, endy;
  72     chtype wls, wrs, wts, wbs, wtl, wtr, wbl, wbr;
  73
  74     T((T_CALLED("wborder(%p,%s,%s,%s,%s,%s,%s,%s,%s)"),
  75        (void *) win,
  76        _tracechtype2(1, ls),
  77        _tracechtype2(2, rs),
  78        _tracechtype2(3, ts),
  79        _tracechtype2(4, bs),
  80        _tracechtype2(5, tl),
  81        _tracechtype2(6, tr),
  82        _tracechtype2(7, bl),
  83        _tracechtype2(8, br)));
  84
  85     if (!win)
  86         returnCode(ERR);
  87
  88     RENDER_WITH_DEFAULT(ls, ACS_VLINE);
  89     RENDER_WITH_DEFAULT(rs, ACS_VLINE);
  90     RENDER_WITH_DEFAULT(ts, ACS_HLINE);
  91     RENDER_WITH_DEFAULT(bs, ACS_HLINE);
  92     RENDER_WITH_DEFAULT(tl, ACS_ULCORNER);
  93     RENDER_WITH_DEFAULT(tr, ACS_URCORNER);
  94     RENDER_WITH_DEFAULT(bl, ACS_LLCORNER);
  95     RENDER_WITH_DEFAULT(br, ACS_LRCORNER);
  96
  97     T(("using %s, %s, %s, %s, %s, %s, %s, %s",
  98        _tracechtype2(1, wls),
  99        _tracechtype2(2, wrs),
 100        _tracechtype2(3, wts),
 101        _tracechtype2(4, wbs),
 102        _tracechtype2(5, wtl),
 103        _tracechtype2(6, wtr),
 104        _tracechtype2(7, wbl),
 105        _tracechtype2(8, wbr)));
 106
 107     endx = win->_maxx;
 108     endy = win->_maxy;
 109
 110     for (i = 0; i <= endx; i++) {
 111         SetChar2(win->_line[0].text[i], wts);
 112         SetChar2(win->_line[endy].text[i], wbs);
 113     }
 114     win->_line[endy].firstchar = win->_line[0].firstchar = 0;
 115     win->_line[endy].lastchar = win->_line[0].lastchar = endx;
 116
 117     for (i = 0; i <= endy; i++) {
 118 #if USE_WIDEC_SUPPORT
 119         if (endx > 0 && isWidecExt(win->_line[i].text[endx])) {
 120             SetChar2(win->_line[i].text[endx - 1], ' ');
 121         }
 122 #endif
 123         SetChar2(win->_line[i].text[0], wls);
 124         SetChar2(win->_line[i].text[endx], wrs);
 125         win->_line[i].firstchar = 0;
 126         win->_line[i].lastchar = endx;
 127 #if USE_WIDEC_SUPPORT
 128         if (isWidecExt(win->_line[i].text[1])) {
 129             SetChar2(win->_line[i].text[1], ' ');
 130         }
 131 #endif
 132     }
 133     SetChar2(win->_line[0].text[0], wtl);
 134     SetChar2(win->_line[0].text[endx], wtr);
 135     SetChar2(win->_line[endy].text[0], wbl);
 136     SetChar2(win->_line[endy].text[endx], wbr);
 137
 138     _nc_synchook(win);
 139     returnCode(OK);
 140 }