/* * Copyright (c) 1999 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * Portions Copyright (c) 1999 Apple Computer, Inc. All Rights * Reserved. This file contains Original Code and/or Modifications of * Original Code as defined in and that are subject to the Apple Public * Source License Version 1.1 (the "License"). You may not use this file * except in compliance with the License. Please obtain a copy of the * License at http://www.apple.com/publicsource and read it before using * this file. * * The Original Code and all software distributed under the License are * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE OR NON- INFRINGEMENT. Please see the * License for the specific language governing rights and limitations * under the License. * * @APPLE_LICENSE_HEADER_END@ */ /* * Copyright (c) 1987, 1993, 1994 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include "curses.h" #define SYNCH_IN {y = win->cury; x = win->curx;} #define SYNCH_OUT {win->cury = y; win->curx = x;} /* * waddbytes -- * Add the character to the current position in the given window. */ int __waddbytes(win, bytes, count, so) register WINDOW *win; register const char *bytes; register int count; int so; { static char blanks[] = " "; register int c, newx, x, y; char stand; __LINE *lp; SYNCH_IN; #ifdef DEBUG __CTRACE("ADDBYTES('%c') at (%d, %d)\n", c, y, x); #endif while (count--) { c = *bytes++; switch (c) { case '\t': SYNCH_OUT; if (waddbytes(win, blanks, 8 - (x % 8)) == ERR) return (ERR); SYNCH_IN; break; default: #ifdef DEBUG __CTRACE("ADDBYTES(%0.2o, %d, %d)\n", win, y, x); #endif lp = win->lines[y]; if (lp->flags & __ISPASTEOL) { lp->flags &= ~__ISPASTEOL; newline: if (y == win->maxy - 1) { if (win->flags & __SCROLLOK) { SYNCH_OUT; scroll(win); SYNCH_IN; lp = win->lines[y]; x = 0; } else return (ERR); } else { y++; lp = win->lines[y]; x = 0; } if (c == '\n') break; } stand = '\0'; if (win->flags & __WSTANDOUT || so) stand |= __STANDOUT; #ifdef DEBUG __CTRACE("ADDBYTES: 1: y = %d, x = %d, firstch = %d, lastch = %d\n", y, x, *win->lines[y]->firstchp, *win->lines[y]->lastchp); #endif if (lp->line[x].ch != c || !(lp->line[x].attr & stand)) { newx = x + win->ch_off; if (!(lp->flags & __ISDIRTY)) { lp->flags |= __ISDIRTY; *lp->firstchp = *lp->lastchp = newx; } else if (newx < *lp->firstchp) *lp->firstchp = newx; else if (newx > *lp->lastchp) *lp->lastchp = newx; #ifdef DEBUG __CTRACE("ADDBYTES: change gives f/l: %d/%d [%d/%d]\n", *lp->firstchp, *lp->lastchp, *lp->firstchp - win->ch_off, *lp->lastchp - win->ch_off); #endif } lp->line[x].ch = c; if (stand) lp->line[x].attr |= __STANDOUT; else lp->line[x].attr &= ~__STANDOUT; if (x == win->maxx - 1) lp->flags |= __ISPASTEOL; else x++; #ifdef DEBUG __CTRACE("ADDBYTES: 2: y = %d, x = %d, firstch = %d, lastch = %d\n", y, x, *win->lines[y]->firstchp, *win->lines[y]->lastchp); #endif break; case '\n': SYNCH_OUT; wclrtoeol(win); SYNCH_IN; if (!NONL) x = 0; goto newline; case '\r': x = 0; break; case '\b': if (--x < 0) x = 0; break; } } SYNCH_OUT; return (OK); }