addbytes.c revision 1.17
1 /* $NetBSD: addbytes.c,v 1.17 2000/04/15 13:17:02 blymn 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 1.17 2000/04/15 13:17:02 blymn Exp $"); 42 #endif 43 #endif /* not lint */ 44 45 #include "curses.h" 46 #include "curses_private.h" 47 48 #define SYNCH_IN {y = win->cury; x = win->curx;} 49 #define SYNCH_OUT {win->cury = y; win->curx = x;} 50 51 #ifndef _CURSES_USE_MACROS 52 53 /* 54 * addbytes -- 55 * Add the character to the current position in stdscr. 56 */ 57 int 58 addbytes(const char *bytes, int count) 59 { 60 return __waddbytes(stdscr, bytes, count, 0); 61 } 62 63 /* 64 * waddbytes -- 65 * Add the character to the current position in the given window. 66 */ 67 int 68 waddbytes(WINDOW *win, const char *bytes, int count) 69 { 70 return __waddbytes(win, bytes, count, 0); 71 } 72 73 /* 74 * mvaddbytes -- 75 * Add the characters to stdscr at the location given. 76 */ 77 int 78 mvaddbytes(int y, int x, const char *bytes, int count) 79 { 80 return mvwaddbytes(stdscr, y, x, bytes, count); 81 } 82 83 /* 84 * mvwaddbytes -- 85 * Add the characters to the given window at the location given. 86 */ 87 int 88 mvwaddbytes(WINDOW *win, int y, int x, const char *bytes, int count) 89 { 90 if (wmove(win, y, x) == ERR) 91 return ERR; 92 93 return __waddbytes(win, bytes, count, 0); 94 } 95 96 #endif 97 98 /* 99 * waddbytes -- 100 * Add the character to the current position in the given window. 101 */ 102 int 103 __waddbytes(WINDOW *win, const char *bytes, int count, attr_t attr) 104 { 105 static char blanks[] = " "; 106 int c, newx, x, y; 107 attr_t attributes; 108 __LINE *lp; 109 110 SYNCH_IN; 111 112 while (count--) { 113 c = *bytes++; 114 #ifdef DEBUG 115 __CTRACE("ADDBYTES('%c', %x) at (%d, %d)\n", c, attr, y, x); 116 #endif 117 switch (c) { 118 case '\t': 119 SYNCH_OUT; 120 if (waddbytes(win, blanks, 8 - (x % 8)) == ERR) 121 return (ERR); 122 SYNCH_IN; 123 break; 124 125 default: 126 #ifdef DEBUG 127 __CTRACE("ADDBYTES(%0.2o, %d, %d)\n", win, y, x); 128 #endif 129 130 lp = win->lines[y]; 131 if (lp->flags & __ISPASTEOL) { 132 lp->flags &= ~__ISPASTEOL; 133 newline: if (y == win->maxy - 1) { 134 if (win->flags & __SCROLLOK) { 135 SYNCH_OUT; 136 scroll(win); 137 SYNCH_IN; 138 lp = win->lines[y]; 139 x = 0; 140 } else 141 return (ERR); 142 } else { 143 y++; 144 lp = win->lines[y]; 145 x = 0; 146 } 147 if (c == '\n') 148 break; 149 } 150 151 attributes = '\0'; 152 if (win->wattr & __STANDOUT || attr & __STANDOUT) 153 attributes |= __STANDOUT; 154 if (win->wattr & __UNDERSCORE || attr & __UNDERSCORE) 155 attributes |= __UNDERSCORE; 156 if (win->wattr & __REVERSE || attr & __REVERSE) 157 attributes |= __REVERSE; 158 if (win->wattr & __BLINK || attr & __BLINK) 159 attributes |= __BLINK; 160 if (win->wattr & __DIM || attr & __DIM) 161 attributes |= __DIM; 162 if (win->wattr & __BOLD || attr & __BOLD) 163 attributes |= __BOLD; 164 if (win->wattr & __BLANK || attr & __BLANK) 165 attributes |= __BLANK; 166 if (win->wattr & __PROTECT || attr & __PROTECT) 167 attributes |= __PROTECT; 168 if (win->wattr & __ALTCHARSET || attr & __ALTCHARSET) 169 attributes |= __ALTCHARSET; 170 if (attr & __COLOR) 171 attributes |= attr & __COLOR; 172 else if (win->wattr & __COLOR) 173 attributes |= win->wattr & __COLOR; 174 #ifdef DEBUG 175 __CTRACE("ADDBYTES: 1: y = %d, x = %d, firstch = %d, lastch = %d\n", 176 y, x, *win->lines[y]->firstchp, 177 *win->lines[y]->lastchp); 178 #endif 179 if (lp->line[x].ch != c || 180 lp->line[x].attr != attributes) { 181 newx = x + win->ch_off; 182 if (!(lp->flags & __ISDIRTY)) { 183 lp->flags |= __ISDIRTY; 184 *lp->firstchp = *lp->lastchp = newx; 185 } else 186 if (newx < *lp->firstchp) 187 *lp->firstchp = newx; 188 else 189 if (newx > *lp->lastchp) 190 *lp->lastchp = newx; 191 #ifdef DEBUG 192 __CTRACE("ADDBYTES: change gives f/l: %d/%d [%d/%d]\n", 193 *lp->firstchp, *lp->lastchp, 194 *lp->firstchp - win->ch_off, 195 *lp->lastchp - win->ch_off); 196 #endif 197 } 198 lp->line[x].ch = c; 199 if (attributes & __STANDOUT) 200 lp->line[x].attr |= __STANDOUT; 201 else 202 lp->line[x].attr &= ~__STANDOUT; 203 if (attributes & __UNDERSCORE) 204 lp->line[x].attr |= __UNDERSCORE; 205 else 206 lp->line[x].attr &= ~__UNDERSCORE; 207 if (attributes & __REVERSE) 208 lp->line[x].attr |= __REVERSE; 209 else 210 lp->line[x].attr &= ~__REVERSE; 211 if (attributes & __BLINK) 212 lp->line[x].attr |= __BLINK; 213 else 214 lp->line[x].attr &= ~__BLINK; 215 if (attributes & __DIM) 216 lp->line[x].attr |= __DIM; 217 else 218 lp->line[x].attr &= ~__DIM; 219 if (attributes & __BOLD) 220 lp->line[x].attr |= __BOLD; 221 else 222 lp->line[x].attr &= ~__BOLD; 223 if (attributes & __BLANK) 224 lp->line[x].attr |= __BLANK; 225 else 226 lp->line[x].attr &= ~__BLANK; 227 if (attributes & __PROTECT) 228 lp->line[x].attr |= __PROTECT; 229 else 230 lp->line[x].attr &= ~__PROTECT; 231 if (attributes & __ALTCHARSET) 232 lp->line[x].attr |= __ALTCHARSET; 233 else 234 lp->line[x].attr &= ~__ALTCHARSET; 235 if (attributes & __COLOR) { 236 lp->line[x].attr &= ~__COLOR; 237 lp->line[x].attr |= attributes & __COLOR; 238 } else 239 lp->line[x].attr &= ~__COLOR; 240 if (x == win->maxx - 1) 241 lp->flags |= __ISPASTEOL; 242 else 243 x++; 244 #ifdef DEBUG 245 __CTRACE("ADDBYTES: 2: y = %d, x = %d, firstch = %d, lastch = %d\n", 246 y, x, *win->lines[y]->firstchp, 247 *win->lines[y]->lastchp); 248 #endif 249 break; 250 case '\n': 251 SYNCH_OUT; 252 wclrtoeol(win); 253 SYNCH_IN; 254 if (!NONL) 255 x = 0; 256 goto newline; 257 case '\r': 258 x = 0; 259 break; 260 case '\b': 261 if (--x < 0) 262 x = 0; 263 break; 264 } 265 } 266 SYNCH_OUT; 267 return (OK); 268 } 269
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