San Mehat | a430b2b | 2014-09-23 08:30:51 -0700 | [diff] [blame] | 1 | #include <stdarg.h> |
| 2 | #include <rfb/keysym.h> |
| 3 | #include "VNConsole.h" |
| 4 | |
| 5 | #define DEBUG(x) |
| 6 | |
| 7 | unsigned char colourMap16[16*3]={ |
| 8 | /* 0 black #000000 */ 0x00,0x00,0x00, |
| 9 | /* 1 maroon #800000 */ 0x80,0x00,0x00, |
| 10 | /* 2 green #008000 */ 0x00,0x80,0x00, |
| 11 | /* 3 khaki #808000 */ 0x80,0x80,0x00, |
| 12 | /* 4 navy #000080 */ 0x00,0x00,0x80, |
| 13 | /* 5 purple #800080 */ 0x80,0x00,0x80, |
| 14 | /* 6 aqua-green #008080 */ 0x00,0x80,0x80, |
| 15 | /* 7 light grey #c0c0c0 */ 0xc0,0xc0,0xc0, |
| 16 | /* 8 dark grey #808080 */ 0x80,0x80,0x80, |
| 17 | /* 9 red #ff0000 */ 0xff,0x00,0x00, |
| 18 | /* a light green #00ff00 */ 0x00,0xff,0x00, |
| 19 | /* b yellow #ffff00 */ 0xff,0xff,0x00, |
| 20 | /* c blue #0000ff */ 0x00,0x00,0xff, |
| 21 | /* d pink #ff00ff */ 0xff,0x00,0xff, |
| 22 | /* e light blue #00ffff */ 0x00,0xff,0xff, |
| 23 | /* f white #ffffff */ 0xff,0xff,0xff |
| 24 | }; |
| 25 | |
| 26 | void MakeColourMap16(vncConsolePtr c) |
| 27 | { |
| 28 | rfbColourMap* colourMap=&(c->screen->colourMap); |
| 29 | if(colourMap->count) |
| 30 | free(colourMap->data.bytes); |
| 31 | colourMap->data.bytes=malloc(16*3); |
| 32 | memcpy(colourMap->data.bytes,colourMap16,16*3); |
| 33 | colourMap->count=16; |
| 34 | colourMap->is16=FALSE; |
| 35 | c->screen->serverFormat.trueColour=FALSE; |
| 36 | } |
| 37 | |
| 38 | void vcDrawOrHideCursor(vncConsolePtr c) |
| 39 | { |
| 40 | int i,j,w=c->screen->paddedWidthInBytes; |
| 41 | char *b=c->screen->frameBuffer+c->y*c->cHeight*w+c->x*c->cWidth; |
| 42 | for(j=c->cy1;j<c->cy2;j++) |
| 43 | for(i=c->cx1;i<c->cx2;i++) |
| 44 | b[j*w+i]^=0x0f; |
| 45 | rfbMarkRectAsModified(c->screen, |
| 46 | c->x*c->cWidth+c->cx1,c->y*c->cHeight+c->cy1, |
| 47 | c->x*c->cWidth+c->cx2,c->y*c->cHeight+c->cy2); |
| 48 | c->cursorIsDrawn=c->cursorIsDrawn?FALSE:TRUE; |
| 49 | } |
| 50 | |
| 51 | void vcDrawCursor(vncConsolePtr c) |
| 52 | { |
| 53 | if(c->cursorActive && c->y<c->height && c->x<c->width) { |
| 54 | /* rfbLog("DrawCursor: %d,%d\n",c->x,c->y); */ |
| 55 | vcDrawOrHideCursor(c); |
| 56 | } |
| 57 | } |
| 58 | |
| 59 | void vcHideCursor(vncConsolePtr c) |
| 60 | { |
| 61 | if(c->currentlyMarking) |
| 62 | vcUnmark(c); |
| 63 | vcDrawOrHideCursor(c); |
| 64 | } |
| 65 | |
| 66 | void vcMakeSureCursorIsDrawn(rfbClientPtr cl) |
| 67 | { |
| 68 | vncConsolePtr c=(vncConsolePtr)cl->screen->screenData; |
| 69 | if(!c->dontDrawCursor) |
| 70 | vcDrawCursor(c); |
| 71 | } |
| 72 | |
| 73 | vncConsolePtr vcGetConsole(int *argc,char **argv, |
| 74 | int width,int height,rfbFontDataPtr font |
| 75 | #ifdef USE_ATTRIBUTE_BUFFER |
| 76 | ,rfbBool withAttributes |
| 77 | #endif |
| 78 | ) |
| 79 | { |
| 80 | vncConsolePtr c=(vncConsolePtr)malloc(sizeof(vncConsole)); |
| 81 | |
| 82 | c->font=font; |
| 83 | c->width=width; |
| 84 | c->height=height; |
| 85 | c->screenBuffer=(char*)malloc(width*height); |
| 86 | memset(c->screenBuffer,' ',width*height); |
| 87 | #ifdef USE_ATTRIBUTE_BUFFER |
| 88 | if(withAttributes) { |
| 89 | c->attributeBuffer=(char*)malloc(width*height); |
| 90 | memset(c->attributeBuffer,0x07,width*height); |
| 91 | } else |
| 92 | c->attributeBuffer=NULL; |
| 93 | #endif |
| 94 | c->x=0; |
| 95 | c->y=0; |
| 96 | c->wrapBottomToTop=FALSE; |
| 97 | c->cursorActive=TRUE; |
| 98 | c->cursorIsDrawn=FALSE; |
| 99 | c->dontDrawCursor=FALSE; |
| 100 | c->inputBuffer=(char*)malloc(1024); |
| 101 | c->inputSize=1024; |
| 102 | c->inputCount=0; |
| 103 | c->selection=0; |
| 104 | c->selectTimeOut=40000; /* 40 ms */ |
| 105 | c->doEcho=TRUE; |
| 106 | |
| 107 | c->wasRightButtonDown=FALSE; |
| 108 | c->currentlyMarking=FALSE; |
| 109 | |
| 110 | rfbWholeFontBBox(font,&c->xhot,&c->cHeight,&c->cWidth,&c->yhot); |
| 111 | c->cWidth-=c->xhot; |
| 112 | c->cHeight=-c->cHeight-c->yhot; |
| 113 | |
| 114 | /* text cursor */ |
| 115 | c->cx1=c->cWidth/8; |
| 116 | c->cx2=c->cWidth*7/8; |
| 117 | c->cy2=c->cHeight-1-c->yhot+c->cHeight/16; |
| 118 | if(c->cy2>=c->cHeight) |
| 119 | c->cy2=c->cHeight-1; |
| 120 | c->cy1=c->cy2-c->cHeight/8; |
| 121 | if(c->cy1<0) |
| 122 | c->cy2=0; |
| 123 | |
| 124 | if(!(c->screen = rfbGetScreen(argc,argv,c->cWidth*c->width,c->cHeight*c->height,8,1,1))) |
| 125 | return NULL; |
| 126 | c->screen->screenData=(void*)c; |
| 127 | c->screen->displayHook=vcMakeSureCursorIsDrawn; |
| 128 | c->screen->frameBuffer= |
| 129 | (char*)malloc(c->screen->width*c->screen->height); |
| 130 | memset(c->screen->frameBuffer,c->backColour, |
| 131 | c->screen->width*c->screen->height); |
| 132 | c->screen->kbdAddEvent=vcKbdAddEventProc; |
| 133 | c->screen->ptrAddEvent=vcPtrAddEventProc; |
| 134 | c->screen->setXCutText=vcSetXCutTextProc; |
| 135 | |
| 136 | MakeColourMap16(c); |
| 137 | c->foreColour=0x7; |
| 138 | c->backColour=0; |
| 139 | |
| 140 | rfbInitServer(c->screen); |
| 141 | |
| 142 | return(c); |
| 143 | } |
| 144 | |
| 145 | #include <rfb/rfbregion.h> |
| 146 | |
| 147 | /* before using this function, hide the cursor */ |
| 148 | void vcScroll(vncConsolePtr c,int lineCount) |
| 149 | { |
| 150 | int y1,y2; |
| 151 | rfbScreenInfoPtr s=c->screen; |
| 152 | |
| 153 | if(lineCount==0) |
| 154 | return; |
| 155 | |
| 156 | /* rfbLog("begin scroll\n"); */ |
| 157 | vcHideCursor(c); |
| 158 | c->dontDrawCursor=TRUE; |
| 159 | |
| 160 | if(lineCount>=c->height || lineCount<=-c->height) { |
| 161 | y1=0; y2=s->height; |
| 162 | } else if(lineCount>0) { |
| 163 | y1=s->height-lineCount*c->cHeight; y2=s->height; |
| 164 | rfbDoCopyRect(s,0,0,s->width,y1,0,-lineCount*c->cHeight); |
| 165 | memmove(c->screenBuffer, |
| 166 | c->screenBuffer+(c->height-lineCount)*c->width, |
| 167 | (c->height-lineCount)*c->width); |
| 168 | #ifdef USE_ATTRIBUTE_BUFFER |
| 169 | if(c->attributeBuffer) |
| 170 | memmove(c->attributeBuffer, |
| 171 | c->attributeBuffer+(c->height-lineCount)*c->width, |
| 172 | (c->height-lineCount)*c->width); |
| 173 | #endif |
| 174 | } else { |
| 175 | y1=0; y2=-lineCount*c->cHeight; |
| 176 | rfbDoCopyRect(s,0,y2,s->width,s->height,0,-lineCount*c->cHeight); |
| 177 | memmove(c->screenBuffer-lineCount*c->width, |
| 178 | c->screenBuffer, |
| 179 | (c->height+lineCount)*c->width); |
| 180 | #ifdef USE_ATTRIBUTE_BUFFER |
| 181 | if(c->attributeBuffer) |
| 182 | memmove(c->attributeBuffer-lineCount*c->width, |
| 183 | c->attributeBuffer, |
| 184 | (c->height+lineCount)*c->width); |
| 185 | #endif |
| 186 | } |
| 187 | |
| 188 | c->dontDrawCursor=FALSE; |
| 189 | memset(s->frameBuffer+y1*s->width,c->backColour,(y2-y1)*s->width); |
| 190 | rfbMarkRectAsModified(s,0,y1-c->cHeight,s->width,y2); |
| 191 | memset(c->screenBuffer+y1/c->cHeight*c->width,' ', |
| 192 | (y2-y1)/c->cHeight*c->width); |
| 193 | #ifdef USE_ATTRIBUTE_BUFFER |
| 194 | if(c->attributeBuffer) |
| 195 | memset(c->attributeBuffer+y1/c->cHeight*c->width,0x07, |
| 196 | (y2-y1)/c->cHeight*c->width); |
| 197 | #endif |
| 198 | /* rfbLog("end scroll\n"); */ |
| 199 | } |
| 200 | |
| 201 | void vcCheckCoordinates(vncConsolePtr c) |
| 202 | { |
| 203 | if(c->x>=c->width) { |
| 204 | c->x=0; |
| 205 | c->y++; |
| 206 | } |
| 207 | if(c->y>=c->height) { |
| 208 | if(c->wrapBottomToTop) |
| 209 | c->y=0; |
| 210 | else { |
| 211 | vcScroll(c,c->y+1-c->height); |
| 212 | c->y=c->height-1; |
| 213 | } |
| 214 | } |
| 215 | } |
| 216 | |
| 217 | void vcPutChar(vncConsolePtr c,unsigned char ch) |
| 218 | { |
| 219 | #ifdef USE_ATTRIBUTE_BUFFER |
| 220 | if(c->attributeBuffer) { |
| 221 | unsigned char colour=c->attributeBuffer[c->x+c->y*c->width]; |
| 222 | vcPutCharColour(c,ch,colour&0x7,colour>>4); |
| 223 | } else |
| 224 | #endif |
| 225 | vcPutCharColour(c,ch,c->foreColour,c->backColour); |
| 226 | } |
| 227 | |
| 228 | void vcPutCharColour(vncConsolePtr c,unsigned char ch,unsigned char foreColour,unsigned char backColour) |
| 229 | { |
| 230 | rfbScreenInfoPtr s=c->screen; |
| 231 | int j,x,y; |
| 232 | |
| 233 | vcHideCursor(c); |
| 234 | if(ch<' ') { |
| 235 | switch(ch) { |
| 236 | case 7: |
| 237 | case 13: |
| 238 | break; |
| 239 | case 8: /* BackSpace */ |
| 240 | if(c->x>0) { |
| 241 | c->x--; |
| 242 | vcPutChar(c,' '); |
| 243 | c->x--; |
| 244 | } |
| 245 | break; |
| 246 | case 10: /* return */ |
| 247 | c->x=0; |
| 248 | c->y++; |
| 249 | vcCheckCoordinates(c); |
| 250 | break; |
| 251 | case 9: /* tabulator */ |
| 252 | do { |
| 253 | vcPutChar(c,' '); |
| 254 | } while(c->x%8); |
| 255 | break; |
| 256 | default: |
| 257 | rfbLog("putchar of unknown character: %c(%d).\n",ch,ch); |
| 258 | vcPutChar(c,' '); |
| 259 | } |
| 260 | } else { |
| 261 | #ifdef USE_ATTRIBUTE_BUFFER |
| 262 | if(c->attributeBuffer) |
| 263 | c->attributeBuffer[c->x+c->y*c->width]=foreColour|(backColour<<4); |
| 264 | #endif |
| 265 | x=c->x*c->cWidth; |
| 266 | y=c->y*c->cHeight; |
| 267 | for(j=y+c->cHeight-1;j>=y;j--) |
| 268 | memset(s->frameBuffer+j*s->width+x,backColour,c->cWidth); |
| 269 | rfbDrawChar(s,c->font, |
| 270 | x-c->xhot+(c->cWidth-rfbWidthOfChar(c->font,ch))/2, |
| 271 | y+c->cHeight-c->yhot-1, |
| 272 | ch,foreColour); |
| 273 | c->screenBuffer[c->y*c->width+c->x]=ch; |
| 274 | c->x++; |
| 275 | rfbMarkRectAsModified(s,x,y-c->cHeight+1,x+c->cWidth,y+c->cHeight+1); |
| 276 | vcCheckCoordinates(c); |
| 277 | } |
| 278 | } |
| 279 | |
| 280 | void vcPrint(vncConsolePtr c,unsigned char* str) |
| 281 | { |
| 282 | while(*str) { |
| 283 | vcPutChar(c,*str); |
| 284 | str++; |
| 285 | } |
| 286 | } |
| 287 | |
| 288 | void vcPrintColour(vncConsolePtr c,unsigned char* str,unsigned char foreColour,unsigned char backColour) |
| 289 | { |
| 290 | while(*str) { |
| 291 | vcPutCharColour(c,*str,foreColour,backColour); |
| 292 | str++; |
| 293 | } |
| 294 | } |
| 295 | |
| 296 | void vcPrintF(vncConsolePtr c,char* format,...) |
| 297 | { |
| 298 | va_list args; |
| 299 | char buf[4096]; |
| 300 | va_start(args, format); |
| 301 | vsprintf(buf, format, args); |
| 302 | vcPrint(c,(unsigned char*)buf); |
| 303 | va_end(args); |
| 304 | } |
| 305 | |
| 306 | void vcPrintFColour(vncConsolePtr c,unsigned char foreColour,unsigned char backColour,char* format,...) |
| 307 | { |
| 308 | va_list args; |
| 309 | char buf[4096]; |
| 310 | va_start(args, format); |
| 311 | vsprintf(buf, format, args); |
| 312 | vcPrintColour(c,(unsigned char*)buf,foreColour,backColour); |
| 313 | va_end(args); |
| 314 | } |
| 315 | |
| 316 | char vcGetCh(vncConsolePtr c) |
| 317 | { |
| 318 | if(c->inputCount>0) { |
| 319 | char ch; |
| 320 | ch=c->inputBuffer[0]; |
| 321 | c->inputCount--; |
| 322 | if(c->inputCount>0) |
| 323 | memmove(c->inputBuffer,c->inputBuffer+1,c->inputCount); |
| 324 | return(ch); |
| 325 | } else |
| 326 | return(0); |
| 327 | } |
| 328 | |
| 329 | char vcGetChar(vncConsolePtr c) |
| 330 | { |
| 331 | while(rfbIsActive(c->screen) && c->inputCount==0) |
| 332 | vcProcessEvents(c); |
| 333 | return(vcGetCh(c)); |
| 334 | } |
| 335 | |
| 336 | char *vcGetString(vncConsolePtr c,char *buffer,int bufferSize) |
| 337 | { |
| 338 | char *bufferBackup=c->inputBuffer; |
| 339 | int i,count=bufferSize-1; |
| 340 | |
| 341 | if(count>c->inputCount) |
| 342 | count=c->inputCount; |
| 343 | for(i=1;i<count && bufferBackup[i-1]!='\n';i++); |
| 344 | if(i<count || i==bufferSize-1) { |
| 345 | memcpy(buffer,bufferBackup,i); |
| 346 | buffer[i+1]=0; |
| 347 | c->inputCount-=i; |
| 348 | memmove(bufferBackup,bufferBackup+i+2,c->inputCount); |
| 349 | return(buffer); |
| 350 | } |
| 351 | memcpy(buffer,bufferBackup,c->inputCount); |
| 352 | count=c->inputSize; |
| 353 | c->inputSize=bufferSize; |
| 354 | c->inputBuffer=buffer; |
| 355 | while(rfbIsActive(c->screen) |
| 356 | && c->inputCount<bufferSize-1 && buffer[c->inputCount-1]!='\n') |
| 357 | vcProcessEvents(c); |
| 358 | buffer[c->inputCount]=0; |
| 359 | c->inputBuffer=bufferBackup; |
| 360 | c->inputSize=count; |
| 361 | c->inputCount=0; |
| 362 | return(buffer); |
| 363 | } |
| 364 | |
| 365 | void vcKbdAddEventProc(rfbBool down,rfbKeySym keySym,rfbClientPtr cl) |
| 366 | { |
| 367 | vncConsolePtr c=(vncConsolePtr)cl->screen->screenData; |
| 368 | if(down) { |
| 369 | if(c->inputCount<c->inputSize) { |
| 370 | if(keySym<0 || keySym>0xff) { |
| 371 | if(keySym==XK_Return) keySym='\n'; |
| 372 | else if(keySym==XK_BackSpace) keySym=8; |
| 373 | else if(keySym==XK_Tab) keySym=9; |
| 374 | else keySym=0; |
| 375 | } |
| 376 | if(keySym>0) { |
| 377 | if(keySym==8) { |
| 378 | if(c->inputCount>0) |
| 379 | c->inputCount--; |
| 380 | } else |
| 381 | c->inputBuffer[c->inputCount++]=(char)keySym; |
| 382 | if(c->doEcho) |
| 383 | vcPutChar(c,(unsigned char)keySym); |
| 384 | } |
| 385 | } |
| 386 | } |
| 387 | } |
| 388 | |
| 389 | void vcPtrAddEventProc(int buttonMask,int x,int y,rfbClientPtr cl) |
| 390 | { |
| 391 | vncConsolePtr c=(vncConsolePtr)cl->screen->screenData; |
| 392 | |
| 393 | if(c->wasRightButtonDown) { |
| 394 | if((buttonMask&4)==0) { |
| 395 | if(c->selection) { |
| 396 | char* s; |
| 397 | for(s=c->selection;*s;s++) { |
| 398 | c->screen->kbdAddEvent(1,*s,cl); |
| 399 | c->screen->kbdAddEvent(0,*s,cl); |
| 400 | } |
| 401 | } |
| 402 | c->wasRightButtonDown=0; |
| 403 | } |
| 404 | } else if(buttonMask&4) |
| 405 | c->wasRightButtonDown=1; |
| 406 | |
| 407 | if(buttonMask&1) { |
| 408 | int cx=x/c->cWidth,cy=y/c->cHeight,pos; |
| 409 | if(cx<0) cx=0; else if(cx>=c->width) cx=c->width-1; |
| 410 | if(cy<0) cy=0; else if(cy>=c->height) cy=c->height-1; |
| 411 | pos=cy*c->width+cx; |
| 412 | |
| 413 | /* mark */ |
| 414 | if(!c->currentlyMarking) { |
| 415 | c->currentlyMarking=TRUE; |
| 416 | c->markStart=pos; |
| 417 | c->markEnd=pos; |
| 418 | vcToggleMarkCell(c,pos); |
| 419 | } else { |
| 420 | DEBUG(rfbLog("markStart: %d, markEnd: %d, pos: %d\n", |
| 421 | c->markStart,c->markEnd,pos)); |
| 422 | if(c->markEnd!=pos) { |
| 423 | if(c->markEnd<pos) { |
| 424 | cx=c->markEnd; cy=pos; |
| 425 | } else { |
| 426 | cx=pos; cy=c->markEnd; |
| 427 | } |
| 428 | if(cx<c->markStart) { |
| 429 | if(cy<c->markStart) |
| 430 | cy--; |
| 431 | } else |
| 432 | cx++; |
| 433 | while(cx<=cy) { |
| 434 | vcToggleMarkCell(c,cx); |
| 435 | cx++; |
| 436 | } |
| 437 | c->markEnd=pos; |
| 438 | } |
| 439 | } |
| 440 | } else if(c->currentlyMarking) { |
| 441 | int i,j; |
| 442 | if(c->markStart<c->markEnd) { |
| 443 | i=c->markStart; j=c->markEnd+1; |
| 444 | } else { |
| 445 | i=c->markEnd; j=c->markStart; |
| 446 | } |
| 447 | if(c->selection) free(c->selection); |
| 448 | c->selection=(char*)malloc(j-i+1); |
| 449 | memcpy(c->selection,c->screenBuffer+i,j-i); |
| 450 | c->selection[j-i]=0; |
| 451 | vcUnmark(c); |
| 452 | rfbGotXCutText(c->screen,c->selection,j-i); |
| 453 | } |
| 454 | rfbDefaultPtrAddEvent(buttonMask,x,y,cl); |
| 455 | } |
| 456 | |
| 457 | void vcSetXCutTextProc(char* str,int len, struct _rfbClientRec* cl) |
| 458 | { |
| 459 | vncConsolePtr c=(vncConsolePtr)cl->screen->screenData; |
| 460 | |
| 461 | if(c->selection) free(c->selection); |
| 462 | c->selection=(char*)malloc(len+1); |
| 463 | memcpy(c->selection,str,len); |
| 464 | c->selection[len]=0; |
| 465 | } |
| 466 | |
| 467 | void vcToggleMarkCell(vncConsolePtr c,int pos) |
| 468 | { |
| 469 | int x=(pos%c->width)*c->cWidth, |
| 470 | y=(pos/c->width)*c->cHeight; |
| 471 | int i,j; |
| 472 | rfbScreenInfoPtr s=c->screen; |
| 473 | char *b=s->frameBuffer+y*s->width+x; |
| 474 | for(j=0;j<c->cHeight;j++) |
| 475 | for(i=0;i<c->cWidth;i++) |
| 476 | b[j*s->width+i]^=0x0f; |
| 477 | rfbMarkRectAsModified(c->screen,x,y,x+c->cWidth,y+c->cHeight); |
| 478 | } |
| 479 | |
| 480 | void vcUnmark(vncConsolePtr c) |
| 481 | { |
| 482 | int i,j; |
| 483 | c->currentlyMarking=FALSE; |
| 484 | if(c->markStart<c->markEnd) { |
| 485 | i=c->markStart; j=c->markEnd+1; |
| 486 | } else { |
| 487 | i=c->markEnd; j=c->markStart; |
| 488 | } |
| 489 | for(;i<j;i++) |
| 490 | vcToggleMarkCell(c,i); |
| 491 | } |
| 492 | |
| 493 | void vcProcessEvents(vncConsolePtr c) |
| 494 | { |
| 495 | rfbProcessEvents(c->screen,c->selectTimeOut); |
| 496 | } |
| 497 | |