diff options
Diffstat (limited to 'usr/src/lib/libcurses/screen/wclrtoeol.c')
| -rw-r--r-- | usr/src/lib/libcurses/screen/wclrtoeol.c | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/usr/src/lib/libcurses/screen/wclrtoeol.c b/usr/src/lib/libcurses/screen/wclrtoeol.c new file mode 100644 index 0000000000..d24d5736fa --- /dev/null +++ b/usr/src/lib/libcurses/screen/wclrtoeol.c @@ -0,0 +1,149 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License, Version 1.0 only + * (the "License"). You may not use this file except in compliance + * with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 1997 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +/* Copyright (c) 1988 AT&T */ +/* All Rights Reserved */ + +/* + * University Copyright- Copyright (c) 1982, 1986, 1988 + * The Regents of the University of California + * All Rights Reserved + * + * University Acknowledgment- Portions of this document are derived from + * software developed by the University of California, Berkeley, and its + * contributors. + */ + +#pragma ident "%Z%%M% %I% %E% SMI" + +/*LINTLIBRARY*/ + +#include <sys/types.h> +#include <stdlib.h> +#include "curses_inc.h" + +/* This routine clears up to the end of line. */ + +int +wclrtoeol(WINDOW *win) +{ + int y = win->_cury; + int x = win->_curx; + int maxx = win->_maxx; + int cx; + chtype wc; + + if (win != curscr) { + win->_nbyte = -1; + if (_scrmax > 1) { + if (ISMBIT(win->_y[y][x])) { + win->_insmode = TRUE; + if (_mbvalid(win) == ERR) + return (ERR); + x = win->_curx; + } + if (ISMBIT(win->_y[y][maxx - 1])) { + for (cx = maxx - 1; cx >= x; --cx) + if (!ISCBIT(win->_y[y][cx])) + break; + wc = RBYTE(win->_y[y][cx]); + if (cx + _curs_scrwidth[TYPE(wc)] > maxx) + maxx = cx - 1; + } + } + } + + memSset(&win->_y[y][x], win->_bkgd, maxx - x); + maxx = win->_maxx; + +#ifdef _VR3_COMPAT_CODE + if (_y16update) + (*_y16update)(win, 1, maxx - x, y, x); +#endif /* _VR3_COMPAT_CODE */ + + /* if curscr, reset blank structure */ + if (win == curscr) { + if (_BEGNS[y] >= x) + /* LINTED */ + _BEGNS[y] = (short) maxx; + if (_ENDNS[y] >= x) + _ENDNS[y] = _BEGNS[y] > x ? -1 : x-1; + + _CURHASH[y] = x == 0 ? 0 : _NOHASH; + + if (_MARKS != NULL) { + char *mkp = _MARKS[y]; + int endx = COLS / + BITSPERBYTE + (COLS %BITSPERBYTE ? 1 : 0); + int m = x / BITSPERBYTE + 1; + + for (; m < endx; ++m) + mkp[m] = 0; + mkp += x / BITSPERBYTE; + if ((m = x % BITSPERBYTE) == 0) + *mkp = 0; + else + for (; m < BITSPERBYTE; ++m) + *mkp &= ~(1 << m); + + /* if color terminal, do the same for color marks */ + + if (_COLOR_MARKS != NULL) { + mkp = _COLOR_MARKS[y]; + + m = x / BITSPERBYTE + 1; + for (; m < endx; ++m) + mkp[m] = 0; + mkp += x / BITSPERBYTE; + if ((m = x % BITSPERBYTE) == 0) + *mkp = 0; + else + for (; m < BITSPERBYTE; ++m) + *mkp &= ~(1 << m); + } + } + return (OK); + } else { + /* update firstch and lastch for the line. */ +#ifdef DEBUG + if (outf) + fprintf(outf, "CLRTOEOL: line %d begx = %d, maxx = %d, " + "lastch = %d, next firstch %d\n", y, win->_begx, + win->_firstch[y], win->_lastch[y], win->_firstch[y+1]); +#endif /* DEBUG */ + + if (win->_firstch[y] > x) + /* LINTED */ + win->_firstch[y] = (short) x; + win->_lastch[y] = maxx - 1; + win->_flags |= _WINCHANGED; + /* sync with ancestors structures */ + if (win->_sync) + wsyncup(win); + + return (win->_immed ? wrefresh(win) : OK); + } +} |