xref: /openbsd-src/lib/libcurses/base/lib_box.c (revision 46035553bfdd96e63c94e32da0210227ec2e3cf1)
1 /* $OpenBSD: lib_box.c,v 1.4 2010/01/12 23:22:05 nicm Exp $ */
2 
3 /****************************************************************************
4  * Copyright (c) 1998-2002,2005 Free Software Foundation, Inc.              *
5  *                                                                          *
6  * Permission is hereby granted, free of charge, to any person obtaining a  *
7  * copy of this software and associated documentation files (the            *
8  * "Software"), to deal in the Software without restriction, including      *
9  * without limitation the rights to use, copy, modify, merge, publish,      *
10  * distribute, distribute with modifications, sublicense, and/or sell       *
11  * copies of the Software, and to permit persons to whom the Software is    *
12  * furnished to do so, subject to the following conditions:                 *
13  *                                                                          *
14  * The above copyright notice and this permission notice shall be included  *
15  * in all copies or substantial portions of the Software.                   *
16  *                                                                          *
17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
20  * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
21  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
22  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
23  * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
24  *                                                                          *
25  * Except as contained in this notice, the name(s) of the above copyright   *
26  * holders shall not be used in advertising or otherwise to promote the     *
27  * sale, use or other dealings in this Software without prior written       *
28  * authorization.                                                           *
29  ****************************************************************************/
30 
31 /****************************************************************************
32  *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
33  *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
34  *     and: Thomas E. Dickey                        1996-on                 *
35  *     and: Sven Verdoolaege                        2001                    *
36  ****************************************************************************/
37 
38 /*
39 **	lib_box.c
40 **
41 **	The routine wborder().
42 **
43 */
44 
45 #include <curses.priv.h>
46 
47 MODULE_ID("$Id: lib_box.c,v 1.4 2010/01/12 23:22:05 nicm Exp $")
48 
49 #if USE_WIDEC_SUPPORT
50 static NCURSES_INLINE chtype
51 _my_render(WINDOW *win, chtype ch)
52 {
53     NCURSES_CH_T wch;
54     SetChar2(wch, ch);
55     wch = _nc_render(win, wch);
56     return CharOf(wch) | AttrOf(wch);
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        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 	SetChar2(win->_line[i].text[0], wls);
119 	SetChar2(win->_line[i].text[endx], wrs);
120 	win->_line[i].firstchar = 0;
121 	win->_line[i].lastchar = endx;
122     }
123     SetChar2(win->_line[0].text[0], wtl);
124     SetChar2(win->_line[0].text[endx], wtr);
125     SetChar2(win->_line[endy].text[0], wbl);
126     SetChar2(win->_line[endy].text[endx], wbr);
127 
128     _nc_synchook(win);
129     returnCode(OK);
130 }
131