2a780e62ed
without refresh. If the window is not dirty but the window cursor position does not match curscr then move the cursor. This fixes the issues seen in PR lib/54263.
315 lines
6.6 KiB
C
315 lines
6.6 KiB
C
/* $NetBSD: line.c,v 1.11 2019/06/09 07:40:14 blymn Exp $ */
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/*-
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* Copyright (c) 1998-1999 Brett Lymn
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* (blymn@baea.com.au, brett_lymn@yahoo.com.au)
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* All rights reserved.
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*
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* This code has been donated to The NetBSD Foundation by the Author.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*
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*/
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#include <sys/cdefs.h>
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#ifndef lint
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__RCSID("$NetBSD: line.c,v 1.11 2019/06/09 07:40:14 blymn Exp $");
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#endif /* not lint */
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#include <string.h>
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#include "curses.h"
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#include "curses_private.h"
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/*
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* hline --
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* Draw a horizontal line of character c on stdscr.
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*/
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int
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hline(chtype ch, int count)
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{
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return whline(stdscr, ch, count);
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}
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/*
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* mvhline --
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* Move to location (y, x) and draw a horizontal line of character c
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* on stdscr.
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*/
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int
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mvhline(int y, int x, chtype ch, int count)
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{
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return mvwhline(stdscr, y, x, ch, count);
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}
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/*
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* mvwhline --
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* Move to location (y, x) and draw a horizontal line of character c
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* in the given window.
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*/
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int
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mvwhline(WINDOW *win, int y, int x, chtype ch, int count)
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{
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if (wmove(win, y, x) == ERR)
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return ERR;
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return whline(win, ch, count);
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}
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/*
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* whline --
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* Draw a horizontal line of character c in the given window moving
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* towards the rightmost column. At most count characters are drawn
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* or until the edge of the screen, whichever comes first.
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*/
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int
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whline(WINDOW *win, chtype ch, int count)
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{
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#ifndef HAVE_WCHAR
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int ocurx, n, i;
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n = min(count, win->maxx - win->curx);
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ocurx = win->curx;
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if (!(ch & __CHARTEXT))
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ch |= ACS_HLINE;
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for (i = 0; i < n; i++)
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mvwaddch(win, win->cury, ocurx + i, ch);
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wmove(win, win->cury, ocurx);
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return OK;
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#else
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cchar_t cch, *cchp;
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if (ch & __CHARTEXT) {
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__cursesi_chtype_to_cchar(ch, &cch);
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cchp = & cch;
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} else
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cchp = WACS_HLINE;
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return whline_set(win, cchp, count);
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#endif
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}
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/*
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* vline --
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* Draw a vertical line of character ch on stdscr.
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*/
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int
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vline(chtype ch, int count)
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{
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return wvline(stdscr, ch, count);
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}
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/*
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* mvvline --
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* Move to the given location an draw a vertical line of character ch.
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*/
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int
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mvvline(int y, int x, chtype ch, int count)
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{
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return mvwvline(stdscr, y, x, ch, count);
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}
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/*
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* mvwvline --
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* Move to the given location and draw a vertical line of character ch
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* on the given window.
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*/
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int
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mvwvline(WINDOW *win, int y, int x, chtype ch, int count)
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{
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if (wmove(win, y, x) == ERR)
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return ERR;
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return wvline(win, ch, count);
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}
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/*
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* wvline --
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* Draw a vertical line of character ch in the given window moving
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* towards the bottom of the screen. At most count characters are drawn
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* or until the edge of the screen, whichever comes first.
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*/
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int
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wvline(WINDOW *win, chtype ch, int count)
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{
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#ifndef HAVE_WCHAR
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int ocury, ocurx, n, i;
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n = min(count, win->maxy - win->cury);
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ocury = win->cury;
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ocurx = win->curx;
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if (!(ch & __CHARTEXT))
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ch |= ACS_VLINE;
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for (i = 0; i < n; i++)
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mvwaddch(win, ocury + i, ocurx, ch);
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wmove(win, ocury, ocurx);
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return OK;
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#else
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cchar_t cch, *cchp;
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if (ch & __CHARTEXT) {
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__cursesi_chtype_to_cchar(ch, &cch);
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cchp = & cch;
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} else
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cchp = WACS_VLINE;
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return wvline_set(win, cchp, count);
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#endif
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}
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int hline_set(const cchar_t *wch, int n)
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{
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#ifndef HAVE_WCHAR
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return ERR;
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#else
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return whline_set( stdscr, wch, n );
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#endif /* HAVE_WCHAR */
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}
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int mvhline_set(int y, int x, const cchar_t *wch, int n)
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{
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#ifndef HAVE_WCHAR
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return ERR;
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#else
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return mvwhline_set( stdscr, y, x, wch, n );
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#endif /* HAVE_WCHAR */
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}
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int mvwhline_set(WINDOW *win, int y, int x, const cchar_t *wch, int n)
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{
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#ifndef HAVE_WCHAR
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return ERR;
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#else
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if ( wmove( win, y , x ) == ERR )
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return ERR;
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return whline_set( win, wch, n );
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#endif /* HAVE_WCHAR */
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}
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int whline_set(WINDOW *win, const cchar_t *wch, int n)
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{
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#ifndef HAVE_WCHAR
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return ERR;
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#else
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int ocurx, wcn, i, cw;
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cchar_t cc;
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cw = wcwidth( wch->vals[ 0 ]);
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if (cw < 0)
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cw = 1;
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if ( ( win->maxx - win->curx ) < cw )
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return ERR;
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wcn = min( n, ( win->maxx - win->curx ) / cw );
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#ifdef DEBUG
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__CTRACE(__CTRACE_LINE, "whline_set: line of %d\n", wcn);
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#endif /* DEBUG */
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ocurx = win->curx;
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memcpy( &cc, wch, sizeof( cchar_t ));
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if (!(wch->vals[ 0 ]))
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cc.vals[ 0 ] |= WACS_HLINE->vals[0];
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for (i = 0; i < wcn; i++ ) {
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#ifdef DEBUG
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__CTRACE(__CTRACE_LINE, "whline_set: (%d,%d)\n",
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win->cury, ocurx + i * cw);
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#endif /* DEBUG */
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mvwadd_wch(win, win->cury, ocurx + i * cw, &cc);
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}
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wmove(win, win->cury, ocurx);
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__sync(win);
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return OK;
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#endif /* HAVE_WCHAR */
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}
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int vline_set(const cchar_t *wch, int n)
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{
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#ifndef HAVE_WCHAR
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return ERR;
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#else
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return wvline_set(stdscr, wch, n);
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#endif /* HAVE_WCHAR */
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}
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int mvvline_set(int y, int x, const cchar_t *wch, int n)
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{
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#ifndef HAVE_WCHAR
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return ERR;
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#else
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return mvwvline_set(stdscr, y, x, wch, n);
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#endif /* HAVE_WCHAR */
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}
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int mvwvline_set(WINDOW *win, int y, int x, const cchar_t *wch, int n)
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{
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#ifndef HAVE_WCHAR
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return ERR;
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#else
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if (wmove(win, y, x) == ERR)
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return ERR;
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return wvline_set(win, wch, n);
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#endif /* HAVE_WCHAR */
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}
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int wvline_set(WINDOW *win, const cchar_t *wch, int n)
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{
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#ifndef HAVE_WCHAR
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return ERR;
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#else
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int ocury, ocurx, wcn, i;
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cchar_t cc;
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wcn = min(n, win->maxy - win->cury);
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#ifdef DEBUG
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__CTRACE(__CTRACE_LINE, "wvline_set: line of %d\n", wcn);
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#endif /* DEBUG */
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ocury = win->cury;
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ocurx = win->curx;
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memcpy(&cc, wch, sizeof(cchar_t));
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if (!(wch->vals[0]))
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cc.vals[0] |= WACS_VLINE->vals[0];
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for (i = 0; i < wcn; i++) {
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mvwadd_wch(win, ocury + i, ocurx, &cc);
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#ifdef DEBUG
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__CTRACE(__CTRACE_LINE, "wvline_set: (%d,%d)\n",
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ocury + i, ocurx);
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#endif /* DEBUG */
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}
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wmove(win, ocury, ocurx);
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__sync(win);
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return OK;
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#endif /* HAVE_WCHAR */
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}
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