| 1 |
/* |
| 2 |
* HT Editor |
| 3 |
* vt100.cc - VT100/102 emulator |
| 4 |
* |
| 5 |
* Copyright (C) 2003 Stefan Weyergraf |
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* |
| 7 |
* This program is free software; you can redistribute it and/or modify |
| 8 |
* it under the terms of the GNU General Public License version 2 as |
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* published by the Free Software Foundation. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 |
* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 19 |
*/ |
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|
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#include <cctype> |
| 22 |
#include <cstdio> |
| 23 |
#include <cstring> |
| 24 |
|
| 25 |
#include "tools/debug.h" |
| 26 |
#include "vt100.h" |
| 27 |
|
| 28 |
//#define VTERM_LOG_SEQS |
| 29 |
|
| 30 |
#ifdef VTERM_LOG_SEQS |
| 31 |
#define VTERMLOG(a...) DPRINTF(a) |
| 32 |
#else |
| 33 |
#define VTERMLOG(a...) |
| 34 |
#endif |
| 35 |
|
| 36 |
static void readCSIParamsMax16(int Pn[], int &n, int &i, const char *buf, int buflen, bool allow_spaces) |
| 37 |
{ |
| 38 |
n = 0; |
| 39 |
char c = buf[i]; |
| 40 |
char f; |
| 41 |
do { |
| 42 |
f = c; |
| 43 |
int p = 0; |
| 44 |
while (isdigit(c) || (allow_spaces && (c ==' '))) { |
| 45 |
if (!(allow_spaces && (c ==' '))) { |
| 46 |
p *= 10; |
| 47 |
p += c-'0'; |
| 48 |
} |
| 49 |
i++; |
| 50 |
if (i >= buflen) break; |
| 51 |
c = buf[i]; |
| 52 |
} |
| 53 |
if (!n && (f != ';') && !isdigit(f)) break; |
| 54 |
Pn[n++] = isdigit(f) ? p : -1; |
| 55 |
if (i >= buflen) break; |
| 56 |
if (n == 16) break; |
| 57 |
if (c != ';') break; |
| 58 |
i++; |
| 59 |
c = buf[i]; |
| 60 |
if (i >= buflen) break; |
| 61 |
} while (1); |
| 62 |
} |
| 63 |
|
| 64 |
VT100Display::VT100Display(int width, int height, SystemDisplay *aDisplay, vcp initColor) |
| 65 |
{ |
| 66 |
mDisplay = aDisplay; |
| 67 |
x = 0; |
| 68 |
y = 0; |
| 69 |
w = width; |
| 70 |
h = height; |
| 71 |
mState = PLAIN; |
| 72 |
mDefaultColor = initColor; |
| 73 |
mColor = mDefaultColor; |
| 74 |
mColorLight = false; |
| 75 |
mG = 0; |
| 76 |
// this is our default |
| 77 |
mDECCKM = false; |
| 78 |
mDECAWM = true; |
| 79 |
mDECOM = false; |
| 80 |
mLNM = false; |
| 81 |
mIM = false; |
| 82 |
mTermWriteBufLen = 0; |
| 83 |
mTop = 0; |
| 84 |
mBottom = h; |
| 85 |
cursorx = cursory = 1; |
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gotoAbsXY(0, 0); |
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|
| 88 |
getCursor(mSaved_cursorx, mSaved_cursory); |
| 89 |
mDisplay->fillAllVT(mColor, ' '); |
| 90 |
} |
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|
| 92 |
void VT100Display::getCursor(int &x, int &y) |
| 93 |
{ |
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x = cursorx; |
| 95 |
y = cursory; |
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} |
| 97 |
|
| 98 |
void VT100Display::doLF() |
| 99 |
{ |
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VTERMLOG("LF\n"); |
| 101 |
if (cursory+1 == mBottom) { |
| 102 |
scrollDown(mTop, mBottom, 1); |
| 103 |
} else if (cursory < h-1) { |
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cursory++; |
| 105 |
} |
| 106 |
} |
| 107 |
|
| 108 |
void VT100Display::doCR() |
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{ |
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VTERMLOG("CR\n"); |
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cursorx = 0; |
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} |
| 113 |
|
| 114 |
void VT100Display::doBS() |
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{ |
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VTERMLOG("BS\n"); |
| 117 |
if (cursorx) cursorx--; |
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} |
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|
| 120 |
void VT100Display::doRI() |
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{ |
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VTERMLOG("RI\n"); |
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if (cursory == mTop) { |
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scrollUp(mTop, mBottom, 1); |
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} else if (cursory > 0) { |
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cursory--; |
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} |
| 128 |
} |
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|
| 130 |
void VT100Display::gotoXY(int ncx, int ncy) |
| 131 |
{ |
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int min_y, max_y; |
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|
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if (ncx < 0) { |
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cursorx = 0; |
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} else if (ncx > w - 1) { |
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cursorx = w - 1; |
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} else { |
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cursorx = ncx; |
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} |
| 141 |
|
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if (mDECOM) { |
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min_y = mTop; |
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max_y = mBottom; |
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} else { |
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min_y = 0; |
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max_y = h; |
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} |
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|
| 150 |
if (ncy < min_y) { |
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cursory = min_y; |
| 152 |
} else if (ncy >= max_y) { |
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cursory = max_y - 1; |
| 154 |
} else { |
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cursory = ncy; |
| 156 |
} |
| 157 |
} |
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|
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void VT100Display::gotoAbsXY(int ncx, int ncy) |
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{ |
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gotoXY(ncx, mDECOM ? mTop+ncy : ncy); |
| 162 |
} |
| 163 |
|
| 164 |
void VT100Display::saveCursor() |
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{ |
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getCursor(mSaved_cursorx, mSaved_cursory); |
| 167 |
} |
| 168 |
|
| 169 |
void VT100Display::restoreCursor() |
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{ |
| 171 |
gotoXY(mSaved_cursorx, mSaved_cursory); |
| 172 |
} |
| 173 |
|
| 174 |
void VT100Display::scrollDown(int mTop, int mBottom, int count) |
| 175 |
{ |
| 176 |
int n = mBottom-mTop-1; |
| 177 |
while (count--) { |
| 178 |
memmove(mDisplay->buf+w*mTop, mDisplay->buf+w*(mTop+1), sizeof *mDisplay->buf * w*n); |
| 179 |
mDisplay->fillVT(0, mBottom-1, w, 1, mColor, ' '); |
| 180 |
} |
| 181 |
} |
| 182 |
|
| 183 |
void VT100Display::scrollUp(int mTop, int mBottom, int count) |
| 184 |
{ |
| 185 |
int n = mBottom-mTop-1; |
| 186 |
while (count--) { |
| 187 |
memmove(mDisplay->buf+w*(mTop+1), mDisplay->buf+w*mTop, sizeof *mDisplay->buf * w*n); |
| 188 |
mDisplay->fillVT(0, mTop, w, 1, mColor, ' '); |
| 189 |
} |
| 190 |
} |
| 191 |
|
| 192 |
void VT100Display::termifyColor(int &mColor) |
| 193 |
{ |
| 194 |
int fg = VCP_FOREGROUND(mColor); |
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int bg = VCP_BACKGROUND(mColor); |
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// light black != dark gray (but black) on VT100s |
| 197 |
// if (fg == VC_LIGHT(VC_BLACK)) fg = VC_BLACK; |
| 198 |
// if (bg == VC_LIGHT(VC_BLACK)) bg = VC_BLACK; |
| 199 |
mColor = VCP(fg, bg); |
| 200 |
} |
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|
| 202 |
void VT100Display::setBounds(int width, int height) |
| 203 |
{ |
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w = width; |
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h = height; |
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if (cursorx > w-1) cursorx = w-1; |
| 207 |
if (cursory > h-1) cursory = h-1; |
| 208 |
if (mSaved_cursorx > w-1) mSaved_cursorx = w-1; |
| 209 |
if (mSaved_cursory > h-1) mSaved_cursory = h-1; |
| 210 |
mTop = 0; |
| 211 |
mBottom = h; |
| 212 |
} |
| 213 |
|
| 214 |
void VT100Display::setGraphicRendition(int r) |
| 215 |
{ |
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vc ctab[8] = { VC_BLACK, VC_RED, VC_GREEN, VC_YELLOW, VC_BLUE, VC_MAGENTA, VC_CYAN, VC_WHITE }; |
| 217 |
// VTERMLOG("setgr got %d\non entry: mColorf/g=%d/%d\n", r, VCP_FOREGROUND(mColor), VCP_BACKGROUND(mColor)); |
| 218 |
if ((r >= 30) && (r <= 37)) { |
| 219 |
// set foreground ... |
| 220 |
int i = r-30; |
| 221 |
vc bg = VCP_BACKGROUND(mColor); |
| 222 |
vc fg = mColorLight ? VC_LIGHT(ctab[i]) : ctab[i]; |
| 223 |
mColor = VCP(fg, bg); |
| 224 |
termifyColor(mColor); |
| 225 |
} else if ((r >= 40) && (r <= 47)) { |
| 226 |
// set background ... |
| 227 |
int i = r-40; |
| 228 |
vc fg = VCP_FOREGROUND(mColor); |
| 229 |
mColor = VCP(fg, ctab[i]); |
| 230 |
// mColor = VCP(fg, VC_LIGHT(VC_WHITE)); |
| 231 |
termifyColor(mColor); |
| 232 |
} else if (r == 0) { |
| 233 |
// normal |
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mColor = mDefaultColor; |
| 235 |
termifyColor(mColor); |
| 236 |
// FIXME: |
| 237 |
mColorLight = false; |
| 238 |
/* } else if (r == 22) { |
| 239 |
// normal |
| 240 |
mColor = VCP(VC_WHITE, VC_BLACK);*/ |
| 241 |
} else if (r == 1) { |
| 242 |
// bold |
| 243 |
vc bg = VCP_BACKGROUND(mColor); |
| 244 |
vc fg = VCP_FOREGROUND(mColor); |
| 245 |
mColor = VCP(VC_LIGHT(fg), bg); |
| 246 |
termifyColor(mColor); |
| 247 |
mColorLight = true; |
| 248 |
} else if (r == 39) { |
| 249 |
// set foreground to default |
| 250 |
vc bg = VCP_BACKGROUND(mColor); |
| 251 |
vc fg = VCP_FOREGROUND(mDefaultColor); |
| 252 |
fg = mColorLight ? VC_LIGHT(fg) : fg; |
| 253 |
mColor = VCP(fg, bg); |
| 254 |
termifyColor(mColor); |
| 255 |
} else if (r == 49) { |
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// set background to default |
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vc fg = VCP_FOREGROUND(mColor); |
| 258 |
mColor = VCP(fg, VCP_BACKGROUND(mDefaultColor)); |
| 259 |
termifyColor(mColor); |
| 260 |
} else { |
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VTERMLOG("unsupported gr. rendition %d\n", r); |
| 262 |
} |
| 263 |
// VTERMLOG("on exit: mColorf/g=%d/%d\n", VCP_FOREGROUND(mColor), VCP_BACKGROUND(mColor)); |
| 264 |
} |
| 265 |
|
| 266 |
void VT100Display::setMode(int p, bool newValue) |
| 267 |
{ |
| 268 |
if (newValue) { |
| 269 |
// SM - set mode |
| 270 |
VTERMLOG("SM - set mode"); |
| 271 |
} else { |
| 272 |
// RM - reset mode |
| 273 |
VTERMLOG("RM - reset mode"); |
| 274 |
} |
| 275 |
switch (p) { |
| 276 |
case 4: |
| 277 |
mIM = newValue; |
| 278 |
break; |
| 279 |
case 20: |
| 280 |
mLNM = newValue; |
| 281 |
break; |
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default: |
| 283 |
VTERMLOG("unsupported set/reset mode %d (new value %d)\n", p, newValue); |
| 284 |
} |
| 285 |
} |
| 286 |
|
| 287 |
void VT100Display::setPrivateMode(int p, bool newValue) |
| 288 |
{ |
| 289 |
if (newValue) { |
| 290 |
// DECSET - set private mode |
| 291 |
VTERMLOG("DECSET - set private mode"); |
| 292 |
} else { |
| 293 |
// DECRST - reset mode |
| 294 |
VTERMLOG("DECRST - reset private mode"); |
| 295 |
} |
| 296 |
switch (p) { |
| 297 |
case 1: |
| 298 |
mDECCKM = newValue; |
| 299 |
break; |
| 300 |
case 6: |
| 301 |
mDECOM = newValue; |
| 302 |
break; |
| 303 |
case 7: |
| 304 |
mDECAWM = newValue; |
| 305 |
break; |
| 306 |
case 25: |
| 307 |
// setCursorMode(newValue ? CURSOR_NORMAL : CURSOR_OFF); |
| 308 |
break; |
| 309 |
default: |
| 310 |
VTERMLOG("unsupported private set/reset mode %d (new value %d)\n", p, newValue); |
| 311 |
} |
| 312 |
} |
| 313 |
|
| 314 |
void VT100Display::setAutoNewLine(bool b) |
| 315 |
{ |
| 316 |
mLNM = b; |
| 317 |
} |
| 318 |
|
| 319 |
void VT100Display::termWrite(const void *aBuf, int buflen) |
| 320 |
{ |
| 321 |
ASSERT(mTermWriteBufLen+buflen < (int)sizeof mTermWriteBuf); |
| 322 |
memcpy(mTermWriteBuf+mTermWriteBufLen, aBuf, buflen); |
| 323 |
buflen += mTermWriteBufLen; |
| 324 |
const char *buf = mTermWriteBuf; |
| 325 |
mTermWriteBufLen = 0; |
| 326 |
int last_seq_start; |
| 327 |
for (int i=0; i < buflen; i++) { |
| 328 |
last_seq_start = i; |
| 329 |
unsigned char c = buf[i]; |
| 330 |
switch (c) { |
| 331 |
case 7: |
| 332 |
VTERMLOG("BELL ignored\n"); |
| 333 |
continue; |
| 334 |
case 8: |
| 335 |
doBS(); |
| 336 |
continue; |
| 337 |
case 9: |
| 338 |
while (cursorx < w - 1) { |
| 339 |
cursorx++; |
| 340 |
if ((cursorx < 0) || (cursorx % 8==0)) break; |
| 341 |
} |
| 342 |
continue; |
| 343 |
case 10: |
| 344 |
case 11: |
| 345 |
case 12: |
| 346 |
doLF(); |
| 347 |
if (!mLNM) continue; |
| 348 |
case 13: |
| 349 |
doCR(); |
| 350 |
continue; |
| 351 |
case 14: |
| 352 |
// select G1 |
| 353 |
VTERMLOG("select G1\n"); |
| 354 |
mG = 1; |
| 355 |
continue; |
| 356 |
case 15: |
| 357 |
// select G0 |
| 358 |
VTERMLOG("select G0\n"); |
| 359 |
mG = 0; |
| 360 |
continue; |
| 361 |
case 24: case 26: |
| 362 |
VTERMLOG("24/26 ignored\n"); |
| 363 |
mState = PLAIN; |
| 364 |
continue; |
| 365 |
case 27: |
| 366 |
mState = ESC; |
| 367 |
continue; |
| 368 |
} |
| 369 |
switch (mState) { |
| 370 |
case PLAIN: |
| 371 |
if ((c >= 32) /* && (c <= 128)*/) { |
| 372 |
// if (c <32) c = 'X'; |
| 373 |
// if (mG == 0) { |
| 374 |
mDisplay->drawChar(cursorx, cursory, mColor, (byte)c); |
| 375 |
// } else { |
| 376 |
// mDisplay->drawChar(cursorx, cursory, mColor, gc2mygc((byte)c), CP_GRAPHICAL); |
| 377 |
// } |
| 378 |
if (cursorx < w-1) { |
| 379 |
cursorx++; |
| 380 |
} else { |
| 381 |
if (mDECAWM) { |
| 382 |
doCR(); |
| 383 |
doLF(); |
| 384 |
} |
| 385 |
} |
| 386 |
VTERMLOG("'%c' cxy=%d,%d colorf/b=%d/%d\n", c, cursorx, cursory, VCP_FOREGROUND(mColor), VCP_BACKGROUND(mColor)); |
| 387 |
} else { |
| 388 |
// char buf[128]; |
| 389 |
// sprintf(buf, "unsupported PLAIN char %d/0x%0x\n", (byte)c, (byte)c); |
| 390 |
// VTERMLOG(buf); |
| 391 |
mDisplay->drawChar(cursorx, cursory, mColor, c-0x80); |
| 392 |
// printChar(cursorx, cursory, mColor, ' '); |
| 393 |
if (cursorx < w-1) { |
| 394 |
cursorx++; |
| 395 |
} else { |
| 396 |
if (mDECAWM) { |
| 397 |
doCR(); |
| 398 |
doLF(); |
| 399 |
} |
| 400 |
} |
| 401 |
} |
| 402 |
break; |
| 403 |
case ESC: |
| 404 |
switch (c) { |
| 405 |
case '[': |
| 406 |
mState = CSI; |
| 407 |
break; |
| 408 |
case ']': |
| 409 |
mState = OSC; |
| 410 |
break; |
| 411 |
case '7': |
| 412 |
VTERMLOG("ESC-7: save cursor\n"); |
| 413 |
saveCursor(); |
| 414 |
mState = PLAIN; |
| 415 |
break; |
| 416 |
case '8': |
| 417 |
VTERMLOG("ESC-8: restore cursor\n"); |
| 418 |
restoreCursor(); |
| 419 |
mState = PLAIN; |
| 420 |
break; |
| 421 |
case 'D': { |
| 422 |
VTERMLOG("ESC-D: line feed\n"); |
| 423 |
doLF(); |
| 424 |
mState = PLAIN; |
| 425 |
break; |
| 426 |
} |
| 427 |
case 'E': { |
| 428 |
VTERMLOG("ESC-E: CR,LF\n"); |
| 429 |
doCR(); |
| 430 |
doLF(); |
| 431 |
mState = PLAIN; |
| 432 |
break; |
| 433 |
} |
| 434 |
case 'M': { |
| 435 |
VTERMLOG("ESC-M: cursor up\n"); |
| 436 |
doRI(); |
| 437 |
mState = PLAIN; |
| 438 |
break; |
| 439 |
} |
| 440 |
case '(': |
| 441 |
i++; |
| 442 |
if (i >= buflen) break; |
| 443 |
c = buf[i]; |
| 444 |
VTERMLOG("G0 set charset (%c)\n", c); |
| 445 |
switch (c) { |
| 446 |
case '0': |
| 447 |
mColor = VCP(VC_WHITE, VC_BLUE); |
| 448 |
break; |
| 449 |
default: |
| 450 |
mColor = VCP(VC_WHITE, VC_BLACK); |
| 451 |
} |
| 452 |
i++; |
| 453 |
mState = PLAIN; |
| 454 |
break; |
| 455 |
case ')': |
| 456 |
i++; |
| 457 |
if (i >= buflen) break; |
| 458 |
c = buf[i]; |
| 459 |
VTERMLOG("G1 set charset (%c)\n", c); |
| 460 |
switch (c) { |
| 461 |
case '0': |
| 462 |
mColor = VCP(VC_WHITE, VC_BLUE); |
| 463 |
break; |
| 464 |
default: |
| 465 |
mColor = VCP(VC_WHITE, VC_BLACK); |
| 466 |
} |
| 467 |
i++; |
| 468 |
mState = PLAIN; |
| 469 |
break; |
| 470 |
case '*': |
| 471 |
i++; |
| 472 |
if (i >= buflen) break; |
| 473 |
c = buf[i]; |
| 474 |
VTERMLOG("G2 set charset (%c)\n", c); |
| 475 |
switch (c) { |
| 476 |
case '0': |
| 477 |
mColor = VCP(VC_WHITE, VC_BLUE); |
| 478 |
break; |
| 479 |
default: |
| 480 |
mColor = VCP(VC_WHITE, VC_BLACK); |
| 481 |
} |
| 482 |
i++; |
| 483 |
mState = PLAIN; |
| 484 |
break; |
| 485 |
case '+': |
| 486 |
i++; |
| 487 |
if (i >= buflen) break; |
| 488 |
c = buf[i]; |
| 489 |
VTERMLOG("G3 set charset (%c)\n", c); |
| 490 |
switch (c) { |
| 491 |
case '0': |
| 492 |
mColor = VCP(VC_WHITE, VC_BLUE); |
| 493 |
break; |
| 494 |
default: |
| 495 |
mColor = VCP(VC_WHITE, VC_BLACK); |
| 496 |
} |
| 497 |
i++; |
| 498 |
mState = PLAIN; |
| 499 |
break; |
| 500 |
case '=': |
| 501 |
VTERMLOG("set decckm\n"); |
| 502 |
mDECCKM = true; |
| 503 |
mState = PLAIN; |
| 504 |
break; |
| 505 |
case '>': |
| 506 |
VTERMLOG("reset decckm\n"); |
| 507 |
mDECCKM = false; |
| 508 |
mState = PLAIN; |
| 509 |
break; |
| 510 |
default: { |
| 511 |
VTERMLOG("unsupported ESC-sequence '%c'\n", c); |
| 512 |
mState = PLAIN; |
| 513 |
} |
| 514 |
} |
| 515 |
break; |
| 516 |
#define CSI_ARG(idx, defaultval) (((idx<n) && (Pn[idx] != -1)) ? Pn[idx] : defaultval) |
| 517 |
case CSI_QM: |
| 518 |
case CSI: { |
| 519 |
int Pn[16]; |
| 520 |
int n; |
| 521 |
// VTERMLOG("CSI-fmt: %c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c\n", buf[i+0], buf[i+1], buf[i+2], buf[i+3], buf[i+4], buf[i+5], buf[i+6], buf[i+7], buf[i+8], buf[i+9], buf[i+10], buf[i+11], buf[i+12], buf[i+13], buf[i+14], buf[i+15]); |
| 522 |
readCSIParamsMax16(Pn, n, i, buf, buflen, false); |
| 523 |
if (i >= buflen) break; |
| 524 |
c = buf[i]; |
| 525 |
switch (c) { |
| 526 |
case 'A': { |
| 527 |
// CUU - cursor up (stop at top) |
| 528 |
VTERMLOG("CUU - cursor up\n"); |
| 529 |
int p = CSI_ARG(0, 1); |
| 530 |
gotoXY(cursorx, cursory-p); |
| 531 |
mState = PLAIN; |
| 532 |
break; |
| 533 |
} |
| 534 |
case 'B': { |
| 535 |
// CUD - cursor down (stop at bottom) |
| 536 |
VTERMLOG("CUD - cursor down\n"); |
| 537 |
int p = CSI_ARG(0, 1); |
| 538 |
gotoXY(cursorx, cursory+p); |
| 539 |
mState = PLAIN; |
| 540 |
break; |
| 541 |
} |
| 542 |
case 'C': { |
| 543 |
// CUF - cursor forward/right (stop at far right) |
| 544 |
VTERMLOG("CUF - cursor forward\n"); |
| 545 |
int p = CSI_ARG(0, 1); |
| 546 |
gotoXY(cursorx+p, cursory); |
| 547 |
mState = PLAIN; |
| 548 |
break; |
| 549 |
} |
| 550 |
case 'D': { |
| 551 |
// CUB - cursor backward/left (stop at far left) |
| 552 |
VTERMLOG("CUB - cursor backward\n"); |
| 553 |
int p = CSI_ARG(0, 1); |
| 554 |
gotoXY(cursorx-p, cursory); |
| 555 |
mState = PLAIN; |
| 556 |
break; |
| 557 |
} |
| 558 |
case 'E': { |
| 559 |
// ? - cursor ? |
| 560 |
VTERMLOG("? - cursor ? (1)\n"); |
| 561 |
int p = CSI_ARG(0, 1); |
| 562 |
gotoXY(0, cursory+p); |
| 563 |
mState = PLAIN; |
| 564 |
break; |
| 565 |
} |
| 566 |
case 'F': { |
| 567 |
// ? - cursor ? |
| 568 |
VTERMLOG("? - cursor ? (2)\n"); |
| 569 |
int p = CSI_ARG(0, 1); |
| 570 |
gotoXY(0, cursory-p); |
| 571 |
mState = PLAIN; |
| 572 |
break; |
| 573 |
} |
| 574 |
case '`': |
| 575 |
case 'G': { |
| 576 |
// CHA - cursor x position |
| 577 |
VTERMLOG("CHA - set cursor x\n"); |
| 578 |
int p = CSI_ARG(0, 1); |
| 579 |
gotoXY(p-1, cursory); |
| 580 |
mState = PLAIN; |
| 581 |
break; |
| 582 |
} |
| 583 |
case 'd': { |
| 584 |
// VPA - cursor y position |
| 585 |
VTERMLOG("VPA - set cursor y\n"); |
| 586 |
int p = CSI_ARG(0, 1); |
| 587 |
gotoAbsXY(cursorx, p-1); |
| 588 |
mState = PLAIN; |
| 589 |
break; |
| 590 |
} |
| 591 |
case 'f': |
| 592 |
case 'H': { |
| 593 |
// CUP - cursor position |
| 594 |
VTERMLOG("CUP - set cursor\n"); |
| 595 |
int py = CSI_ARG(0, 1); |
| 596 |
int px = CSI_ARG(1, 1); |
| 597 |
gotoAbsXY(px-1, py-1); |
| 598 |
mState = PLAIN; |
| 599 |
break; |
| 600 |
} |
| 601 |
case 'J': { |
| 602 |
// ED - erase in screen (cursor does not move) |
| 603 |
int p = CSI_ARG(0, 0); |
| 604 |
switch (p) { |
| 605 |
case 0: |
| 606 |
// erase from cursor(inclusive) to end of screen |
| 607 |
VTERMLOG("ED 0 - erase from cursor(inclusive) to end of screen\n"); |
| 608 |
mDisplay->fillVT(cursorx, cursory, w-cursorx, 1, mColor, ' '); |
| 609 |
mDisplay->fillVT(0, cursory+1, w, h-cursory-1, mColor, ' '); |
| 610 |
break; |
| 611 |
case 1: |
| 612 |
// erase from beginning of screen to cursor(inclusive) |
| 613 |
VTERMLOG("ED 1 - erase from beginning of screen to cursor(inclusive)\n"); |
| 614 |
mDisplay->fillVT(0, 0, w, cursory, mColor, ' '); |
| 615 |
mDisplay->fillVT(0, cursory, cursorx+1, 1, mColor, ' '); |
| 616 |
break; |
| 617 |
case 2: |
| 618 |
// erase whole screen |
| 619 |
VTERMLOG("ED 2 - erase whole screen\n"); |
| 620 |
mDisplay->fillVT(0, 0, w, h, mColor, ' '); |
| 621 |
break; |
| 622 |
default: |
| 623 |
VTERMLOG("ED ? - unsupported !\n"); |
| 624 |
} |
| 625 |
mState = PLAIN; |
| 626 |
break; |
| 627 |
} |
| 628 |
case 'K': { |
| 629 |
// EL - erase in line (cursor does not move) |
| 630 |
int p = CSI_ARG(0, 0); |
| 631 |
switch (p) { |
| 632 |
case 0: |
| 633 |
// erase from cursor(inclusive) to EOL |
| 634 |
VTERMLOG("EL 0 - erase in line: from cursor to EOL\n"); |
| 635 |
mDisplay->fillVT(cursorx, cursory, w-cursorx, 1, mColor, ' '); |
| 636 |
break; |
| 637 |
case 1: |
| 638 |
// erase from BOL to cursor(inclusive) |
| 639 |
VTERMLOG("EL 1 - erase in line: from BOL to cursor\n"); |
| 640 |
mDisplay->fillVT(0, cursory, cursorx+1, 1, mColor, ' '); |
| 641 |
break; |
| 642 |
case 2: |
| 643 |
// erase line containing cursor |
| 644 |
VTERMLOG("EL 2 - erase line containing cursor\n"); |
| 645 |
mDisplay->fillVT(0, cursory, w, 1, mColor, ' '); |
| 646 |
break; |
| 647 |
default: |
| 648 |
VTERMLOG("EL ? - unsupported !\n"); |
| 649 |
} |
| 650 |
mState = PLAIN; |
| 651 |
break; |
| 652 |
} |
| 653 |
case 'L': { |
| 654 |
// IL - insert n lines (from cursor) |
| 655 |
VTERMLOG("IL - insert n lines(s)\n"); |
| 656 |
int p = CSI_ARG(0, 1); |
| 657 |
if (p > h-cursory) VTERMLOG("DL: sc1 !!!"); |
| 658 |
if (p > h-cursory) p = h-cursory; |
| 659 |
if (p < 0) p = 0; |
| 660 |
scrollUp(cursory, mBottom, p); |
| 661 |
mState = PLAIN; |
| 662 |
break; |
| 663 |
} |
| 664 |
case 'M': { |
| 665 |
// DL - delete n lines (from cursor) |
| 666 |
VTERMLOG("DL - delete n lines(s)\n"); |
| 667 |
int p = CSI_ARG(0, 1); |
| 668 |
if (p > h-cursory) VTERMLOG("DL: sc1 !!!"); |
| 669 |
if (p > h-cursory) p = h-cursory; |
| 670 |
if (p < 0) p = 0; |
| 671 |
scrollDown(cursory, mBottom, p); |
| 672 |
mState = PLAIN; |
| 673 |
break; |
| 674 |
} |
| 675 |
case 'P': { |
| 676 |
// DCH - delete n chars (from cursor) |
| 677 |
VTERMLOG("DCH - delete n character(s)\n"); |
| 678 |
int p = CSI_ARG(0, 1); |
| 679 |
if (p > w-cursorx) VTERMLOG("DCH: sc1 !!!"); |
| 680 |
if (p > w-cursorx) p = w-cursorx; |
| 681 |
if (p < 0) p = 0; |
| 682 |
BufferedChar *b = mDisplay->buf+w*cursory; |
| 683 |
memmove(b+cursorx, b+cursorx+p, sizeof (BufferedChar) * (w-cursorx-p)); |
| 684 |
mDisplay->fillVT(w-p, cursory, p, 1, mColor, ' '); |
| 685 |
mState = PLAIN; |
| 686 |
break; |
| 687 |
} |
| 688 |
case 'X': { |
| 689 |
// ECH - erase n chars (from cursor) |
| 690 |
VTERMLOG("ECH - erase n character(s)\n"); |
| 691 |
int p = CSI_ARG(0, 1); |
| 692 |
if (p > w-cursorx) VTERMLOG("ECH: sc1 !!!\n"); |
| 693 |
if (p > w-cursorx) p = w-cursorx; |
| 694 |
if (p < 0) p = 0; |
| 695 |
mDisplay->fillVT(cursorx, cursory, p, 1, mColor, ' '); |
| 696 |
mState = PLAIN; |
| 697 |
break; |
| 698 |
} |
| 699 |
case '@': { |
| 700 |
// ICH - insert (blank) character(s) |
| 701 |
VTERMLOG("ICH - insert (blank) character(s)\n"); |
| 702 |
int p = CSI_ARG(0, 1); |
| 703 |
if (p > w-cursorx) VTERMLOG("ICH: sc1 !!!"); |
| 704 |
if (p > w-cursorx) p = w-cursorx; |
| 705 |
if (p < 0) p = 0; |
| 706 |
BufferedChar *b = mDisplay->buf+w*cursory; |
| 707 |
memmove(b+cursorx+p, b+cursorx, sizeof (BufferedChar) * (w-cursorx-p)); |
| 708 |
mDisplay->fillVT(cursorx, cursory, p, 1, mColor, ' '); |
| 709 |
mState = PLAIN; |
| 710 |
break; |
| 711 |
} |
| 712 |
case 'r': { |
| 713 |
// set scroll region |
| 714 |
VTERMLOG("DECSTBM - set scroll region\n"); |
| 715 |
int r1 = CSI_ARG(0, 1); |
| 716 |
int r2 = CSI_ARG(1, h); |
| 717 |
if ((r1 > 0) && (r1 < r2) && (r2 <= h)) { |
| 718 |
mTop = r1-1; |
| 719 |
mBottom = r2; |
| 720 |
gotoAbsXY(0, 0); |
| 721 |
} |
| 722 |
mState = PLAIN; |
| 723 |
break; |
| 724 |
} |
| 725 |
case 's': { |
| 726 |
// save cursor |
| 727 |
VTERMLOG("? - save cursor\n"); |
| 728 |
saveCursor(); |
| 729 |
mState = PLAIN; |
| 730 |
break; |
| 731 |
} |
| 732 |
case 'u': { |
| 733 |
// restore cursor |
| 734 |
VTERMLOG("? - restore cursor\n"); |
| 735 |
restoreCursor(); |
| 736 |
mState = PLAIN; |
| 737 |
break; |
| 738 |
} |
| 739 |
case 'm': { |
| 740 |
// SGR - select graphic rendition |
| 741 |
VTERMLOG("SGR - set graphic rendition\n"); |
| 742 |
for (int k=0; k<n; k++) { |
| 743 |
setGraphicRendition(CSI_ARG(k, 0)); |
| 744 |
} |
| 745 |
if (n == 0) setGraphicRendition(0); |
| 746 |
mState = PLAIN; |
| 747 |
break; |
| 748 |
} |
| 749 |
case 'h': |
| 750 |
case 'l': { |
| 751 |
bool newValue = (c=='h'); |
| 752 |
int p = CSI_ARG(0, -1); |
| 753 |
if (mState == CSI) { |
| 754 |
setMode(p, newValue); |
| 755 |
} else { |
| 756 |
setPrivateMode(p, newValue); |
| 757 |
} |
| 758 |
mState = PLAIN; |
| 759 |
break; |
| 760 |
} |
| 761 |
case '?': { |
| 762 |
mState = CSI_QM; |
| 763 |
break; |
| 764 |
} |
| 765 |
default: |
| 766 |
VTERMLOG("unsupported CSI-sequence '%c' (", c); |
| 767 |
for (int k=0; k<n; k++) { |
| 768 |
VTERMLOG("%d", Pn[k]); |
| 769 |
if (k+1<n) VTERMLOG(", "); |
| 770 |
} |
| 771 |
VTERMLOG(")\n"); |
| 772 |
mState = PLAIN; |
| 773 |
} |
| 774 |
VTERMLOG("("); |
| 775 |
for (int k=0; k<n; k++) { |
| 776 |
VTERMLOG("%d", Pn[k]); |
| 777 |
if (k+1<n) VTERMLOG(", "); |
| 778 |
} |
| 779 |
VTERMLOG("), cxy=%d,%d\n", cursorx, cursory); |
| 780 |
break; |
| 781 |
} |
| 782 |
#undef CSI_ARG |
| 783 |
case OSC: { |
| 784 |
int p = 0; |
| 785 |
while ((i< buflen) && isdigit(c)) { |
| 786 |
p *= 10; |
| 787 |
p += c-'0'; |
| 788 |
c = buf[++i]; |
| 789 |
} |
| 790 |
// skip ';' |
| 791 |
c = buf[++i]; |
| 792 |
while ((i<buflen) && (c>=32)) { |
| 793 |
c = buf[++i]; |
| 794 |
} |
| 795 |
if (i >= buflen) break; |
| 796 |
switch (p) { |
| 797 |
case 0: { |
| 798 |
VTERMLOG("OSC: set text params\n"); |
| 799 |
VTERMLOG("%c%c%c%c%c%c\n", buf[start], buf[start+1], buf[start+2], buf[start+3], buf[start+4], buf[start+5]); |
| 800 |
mState = PLAIN; |
| 801 |
break; |
| 802 |
} |
| 803 |
default: |
| 804 |
VTERMLOG("unsupported OSC-sequence no. %d\n", p); |
| 805 |
mState = PLAIN; |
| 806 |
} |
| 807 |
break; |
| 808 |
} |
| 809 |
} |
| 810 |
if (i >= buflen) { |
| 811 |
memmove(mTermWriteBuf, mTermWriteBuf+last_seq_start, buflen-last_seq_start); |
| 812 |
mTermWriteBufLen = buflen-last_seq_start; |
| 813 |
break; |
| 814 |
} |
| 815 |
} |
| 816 |
} |
| 817 |
|
| 818 |
static int vcToAnsi(char *buf, vc color, bool fg) |
| 819 |
{ |
| 820 |
vc ctab[8] = { VC_BLACK, VC_RED, VC_GREEN, VC_YELLOW, VC_BLUE, VC_MAGENTA, VC_CYAN, VC_WHITE }; |
| 821 |
int ansi = -1; |
| 822 |
for (int i=0; i<8; i++) if (ctab[i] == VC_GET_BASECOLOR(color)) { |
| 823 |
ansi = i; |
| 824 |
break; |
| 825 |
} |
| 826 |
if (ansi != -1) { |
| 827 |
bool ansibold = VC_GET_LIGHT(color); |
| 828 |
if (ansibold) { |
| 829 |
return sprintf(buf, "%d;1", (fg?0:10)+30+ansi); |
| 830 |
} else { |
| 831 |
return sprintf(buf, "%d", (fg?0:10)+30+ansi); |
| 832 |
} |
| 833 |
} |
| 834 |
return 0; |
| 835 |
} |
| 836 |
|
| 837 |
void vcpToAnsi(char *buf32, vcp color) |
| 838 |
{ |
| 839 |
int i = 0; |
| 840 |
i += sprintf(buf32+i, "\e["); |
| 841 |
int fga = vcToAnsi(buf32+i, VCP_FOREGROUND(color), true); |
| 842 |
i += fga; |
| 843 |
if (fga) i += sprintf(buf32+i, ";"); |
| 844 |
int bga = vcToAnsi(buf32+i, VCP_BACKGROUND(color), false); |
| 845 |
i += bga; |
| 846 |
if (!bga && !fga) { |
| 847 |
*buf32 = 0; |
| 848 |
return; |
| 849 |
} |
| 850 |
if (!bga) i--; |
| 851 |
i += sprintf(buf32+i, "m"); |
| 852 |
} |
| 853 |
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