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
46 MODULE_ID("$Id: lib_vline.c,v 1.15 2020/02/02 23:34:34 tom Exp $")
47
NCURSES_EXPORT(int)48 NCURSES_EXPORT(int)
49 wvline(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