1/****************************************************************************
2 * Copyright 2020 Thomas E. Dickey                                          *
3 * Copyright 1998-2016,2017 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_vline.c
39**
40**	The routine wvline().
41**
42*/
43
44#include <curses.priv.h>
45
46MODULE_ID("$Id: lib_vline.c,v 1.15 2020/02/02 23:34:34 tom Exp $")
47
48NCURSES_EXPORT(int)
49wvline(WINDOW *win, chtype ch, int n)
50{
51    int code = ERR;
52
53    T((T_CALLED("wvline(%p,%s,%d)"), (void *) win, _tracechtype(ch), n));
54
55    if (win) {
56	NCURSES_CH_T wch;
57	int row = win->_cury;
58	int col = win->_curx;
59	int end = row + n - 1;
60
61	if (end > win->_maxy)
62	    end = win->_maxy;
63
64	if (ch == 0)
65	    SetChar2(wch, ACS_VLINE);
66	else
67	    SetChar2(wch, ch);
68	wch = _nc_render(win, wch);
69
70	while (end >= row) {
71	    struct ldat *line = &(win->_line[end]);
72#if USE_WIDEC_SUPPORT
73	    if (col > 0 && isWidecExt(line->text[col])) {
74		SetChar2(line->text[col - 1], ' ');
75	    }
76	    if (col < win->_maxx && isWidecExt(line->text[col + 1])) {
77		SetChar2(line->text[col + 1], ' ');
78	    }
79#endif
80	    line->text[col] = wch;
81	    CHANGED_CELL(line, col);
82	    end--;
83	}
84
85	_nc_synchook(win);
86	code = OK;
87    }
88    returnCode(code);
89}
90