addbytes.c revision 1.14.6.2
1 /* $NetBSD: addbytes.c,v 1.14.6.2 2000/03/05 23:25:17 jdc Exp $ */ 2 3 /* 4 * Copyright (c) 1987, 1993, 1994 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #include <sys/cdefs.h> 37 #ifndef lint 38 #if 0 39 static char sccsid[] = "@(#)addbytes.c 8.4 (Berkeley) 5/4/94"; 40 #else 41 __RCSID("$NetBSD: addbytes.c,v 1.14.6.2 2000/03/05 23:25:17 jdc Exp $"); 42 #endif 43 #endif /* not lint */ 44 45 #include "curses.h" 46 47 #define SYNCH_IN {y = win->cury; x = win->curx;} 48 #define SYNCH_OUT {win->cury = y; win->curx = x;} 49 50 /* 51 * waddbytes -- 52 * Add the character to the current position in the given window. 53 */ 54 int 55 __waddbytes(win, bytes, count, attr) 56 WINDOW *win; 57 const char *bytes; 58 int count; 59 attr_t attr; 60 { 61 static char blanks[] = " "; 62 int c, newx, x, y; 63 attr_t attributes; 64 __LINE *lp; 65 66 SYNCH_IN; 67 68 while (count--) { 69 c = *bytes++; 70 #ifdef DEBUG 71 __CTRACE("ADDBYTES('%c') at (%d, %d)\n", c, y, x); 72 #endif 73 switch (c) { 74 case '\t': 75 SYNCH_OUT; 76 if (waddbytes(win, blanks, 8 - (x % 8)) == ERR) 77 return (ERR); 78 SYNCH_IN; 79 break; 80 81 default: 82 #ifdef DEBUG 83 __CTRACE("ADDBYTES(%0.2o, %d, %d)\n", win, y, x); 84 #endif 85 86 lp = win->lines[y]; 87 if (lp->flags & __ISPASTEOL) { 88 lp->flags &= ~__ISPASTEOL; 89 newline: if (y == win->maxy - 1) { 90 if (win->flags & __SCROLLOK) { 91 SYNCH_OUT; 92 scroll(win); 93 SYNCH_IN; 94 lp = win->lines[y]; 95 x = 0; 96 } else 97 return (ERR); 98 } else { 99 y++; 100 lp = win->lines[y]; 101 x = 0; 102 } 103 if (c == '\n') 104 break; 105 } 106 107 attributes = '\0'; 108 if (win->wattr & __STANDOUT || attr & __STANDOUT) 109 attributes |= __STANDOUT; 110 if (win->wattr & __UNDERSCORE || attr & __UNDERSCORE) 111 attributes |= __UNDERSCORE; 112 if (win->wattr & __REVERSE || attr & __REVERSE) 113 attributes |= __REVERSE; 114 if (win->wattr & __BLINK || attr & __BLINK) 115 attributes |= __BLINK; 116 if (win->wattr & __DIM || attr & __DIM) 117 attributes |= __DIM; 118 if (win->wattr & __BOLD || attr & __BOLD) 119 attributes |= __BOLD; 120 if (win->wattr & __BLANK || attr & __BLANK) 121 attributes |= __BLANK; 122 if (win->wattr & __PROTECT || attr & __PROTECT) 123 attributes |= __PROTECT; 124 if (win->wattr & __ALTCHARSET || attr & __ALTCHARSET) 125 attributes |= __ALTCHARSET; 126 #ifdef DEBUG 127 __CTRACE("ADDBYTES: 1: y = %d, x = %d, firstch = %d, lastch = %d\n", 128 y, x, *win->lines[y]->firstchp, 129 *win->lines[y]->lastchp); 130 #endif 131 if (lp->line[x].ch != c || 132 !(lp->line[x].attr & attributes)) { 133 newx = x + win->ch_off; 134 if (!(lp->flags & __ISDIRTY)) { 135 lp->flags |= __ISDIRTY; 136 *lp->firstchp = *lp->lastchp = newx; 137 } else 138 if (newx < *lp->firstchp) 139 *lp->firstchp = newx; 140 else 141 if (newx > *lp->lastchp) 142 *lp->lastchp = newx; 143 #ifdef DEBUG 144 __CTRACE("ADDBYTES: change gives f/l: %d/%d [%d/%d]\n", 145 *lp->firstchp, *lp->lastchp, 146 *lp->firstchp - win->ch_off, 147 *lp->lastchp - win->ch_off); 148 #endif 149 } 150 lp->line[x].ch = c; 151 if (attributes & __STANDOUT) 152 lp->line[x].attr |= __STANDOUT; 153 else 154 lp->line[x].attr &= ~__STANDOUT; 155 if (attributes & __UNDERSCORE) 156 lp->line[x].attr |= __UNDERSCORE; 157 else 158 lp->line[x].attr &= ~__UNDERSCORE; 159 if (attributes & __REVERSE) 160 lp->line[x].attr |= __REVERSE; 161 else 162 lp->line[x].attr &= ~__REVERSE; 163 if (attributes & __BLINK) 164 lp->line[x].attr |= __BLINK; 165 else 166 lp->line[x].attr &= ~__BLINK; 167 if (attributes & __DIM) 168 lp->line[x].attr |= __DIM; 169 else 170 lp->line[x].attr &= ~__DIM; 171 if (attributes & __BOLD) 172 lp->line[x].attr |= __BOLD; 173 else 174 lp->line[x].attr &= ~__BOLD; 175 if (attributes & __BLANK) 176 lp->line[x].attr |= __BLANK; 177 else 178 lp->line[x].attr &= ~__BLANK; 179 if (attributes & __PROTECT) 180 lp->line[x].attr |= __PROTECT; 181 else 182 lp->line[x].attr &= ~__PROTECT; 183 if (attributes & __ALTCHARSET) 184 lp->line[x].attr |= __ALTCHARSET; 185 else 186 lp->line[x].attr &= ~__ALTCHARSET; 187 if (x == win->maxx - 1) 188 lp->flags |= __ISPASTEOL; 189 else 190 x++; 191 #ifdef DEBUG 192 __CTRACE("ADDBYTES: 2: y = %d, x = %d, firstch = %d, lastch = %d\n", 193 y, x, *win->lines[y]->firstchp, 194 *win->lines[y]->lastchp); 195 #endif 196 break; 197 case '\n': 198 SYNCH_OUT; 199 wclrtoeol(win); 200 SYNCH_IN; 201 if (!NONL) 202 x = 0; 203 goto newline; 204 case '\r': 205 x = 0; 206 break; 207 case '\b': 208 if (--x < 0) 209 x = 0; 210 break; 211 } 212 } 213 SYNCH_OUT; 214 return (OK); 215 } 216
Indexes created Thu Sep 25 06:09:39 GMT 2025