dlls/user/text.c

   1 /*
   2  * USER text functions
   3  *
   4  * Copyright 1993, 1994 Alexandre Julliard
   5  *
   6  */
   7
   8 #include <string.h>
   9
  10 #include "windef.h"
  11 #include "wingdi.h"
  12 #include "wine/winuser16.h"
  13 #include "wine/unicode.h"
  14 #include "winbase.h"
  15 #include "winerror.h"
  16 #include "winnls.h"
  17 #include "cache.h"
  18 #include "ldt.h"
  19 #include "debugtools.h"
  20
  21 DEFAULT_DEBUG_CHANNEL(text);
  22
  23 #define TAB     9
  24 #define LF     10
  25 #define CR     13
  26 #define SPACE  32
  27 #define PREFIX 38
  28
  29 #define ELLIPSIS "..."
  30 #define FORWARD_SLASH '/'
  31 #define BACK_SLASH '\\'
  32
  33 static const WCHAR SPACEW[] = {' ', 0};
  34 static const WCHAR oW[] = {'o', 0};
  35 static const WCHAR ELLIPSISW[] = {'.','.','.', 0};
  36 static const WCHAR FORWARD_SLASHW[] = {'/', 0};
  37 static const WCHAR BACK_SLASHW[] = {'\\', 0};
  38
  39 #define SWAP_INT(a,b)  { int t = a; a = b; b = t; }
  40
  41 static int tabstop = 8;
  42 static int tabwidth;
  43 static int spacewidth;
  44 static int prefix_offset;
  45
  46 /*********************************************************************
  47  *  Return next line of text from a string.
  48  *
  49  * hdc - handle to DC.
  50  * str - string to parse into lines.
  51  * count - length of str.
  52  * dest - destination in which to return line.
  53  * len - length of resultant line in dest in chars.
  54  * width - maximum width of line in pixels.
  55  * format - format type passed to DrawText.
  56  *
  57  * Returns pointer to next char in str after end of the line
  58  * or NULL if end of str reached.
  59  *
  60  * FIXME:
  61  * GetTextExtentPoint is used to get the width of each character,
  62  * rather than GetCharABCWidth...  So the whitespace between
  63  * characters is ignored, and the reported len is too great.
  64  */
  65 static const WCHAR *TEXT_NextLineW( HDC hdc, const WCHAR *str, int *count,
  66                                   WCHAR *dest, int *len, int width, WORD format)
  67 {
  68     int i = 0, j = 0, k;
  69     int plen = 0;
  70     int numspaces;
  71     SIZE size;
  72     int lasttab = 0;
  73     int wb_i = 0, wb_j = 0, wb_count = 0;
  74
  75     while (*count)
  76     {
  77         switch (str[i])
  78         {
  79         case CR:
  80         case LF:
  81             if (!(format & DT_SINGLELINE))
  82             {
  83                 if ((*count > 1) && (str[i] == CR) && (str[i+1] == LF))
  84                 {
  85                     (*count)--;
  86                     i++;
  87                 }
  88                 i++;
  89                 *len = j;
  90                 (*count)--;
  91                 return (&str[i]);
  92             }
  93             dest[j++] = str[i++];
  94             if (!(format & DT_NOCLIP) || !(format & DT_NOPREFIX) ||
  95                 (format & DT_WORDBREAK))
  96             {
  97                 if (!GetTextExtentPointW(hdc, &dest[j-1], 1, &size))
  98                     return NULL;
  99                 plen += size.cx;
 100             }
 101             break;
 102
 103         case PREFIX:
 104             if (!(format & DT_NOPREFIX) && *count > 1)
 105                 {
 106                 if (str[++i] == PREFIX)
 107                     (*count)--;
 108                 else {
 109                     prefix_offset = j;
 110                     break;
 111                 }
 112             }
 113             dest[j++] = str[i++];
 114             if (!(format & DT_NOCLIP) || !(format & DT_NOPREFIX) ||
 115                 (format & DT_WORDBREAK))
 116             {
 117                 if (!GetTextExtentPointW(hdc, &dest[j-1], 1, &size))
 118                     return NULL;
 119                 plen += size.cx;
 120             }
 121             break;
 122
 123         case TAB:
 124             if (format & DT_EXPANDTABS)
 125             {
 126                 wb_i = ++i;
 127                 wb_j = j;
 128                 wb_count = *count;
 129
 130                 if (!GetTextExtentPointW(hdc, &dest[lasttab], j - lasttab, &size))
 131                     return NULL;
 132
 133                 numspaces = (tabwidth - size.cx) / spacewidth;
 134                 for (k = 0; k < numspaces; k++)
 135                     dest[j++] = SPACE;
 136                 plen += tabwidth - size.cx;
 137                 lasttab = wb_j + numspaces;
 138             }
 139             else
 140             {
 141                 dest[j++] = str[i++];
 142                 if (!(format & DT_NOCLIP) || !(format & DT_NOPREFIX) ||
 143                     (format & DT_WORDBREAK))
 144                 {
 145                     if (!GetTextExtentPointW(hdc, &dest[j-1], 1, &size))
 146                         return NULL;
 147                     plen += size.cx;
 148                 }
 149             }
 150             break;
 151
 152         case SPACE:
 153             dest[j++] = str[i++];
 154             if (!(format & DT_NOCLIP) || !(format & DT_NOPREFIX) ||
 155                 (format & DT_WORDBREAK))
 156             {
 157                 wb_i = i;
 158                 wb_j = j - 1;
 159                 wb_count = *count;
 160                 if (!GetTextExtentPointW(hdc, &dest[j-1], 1, &size))
 161                     return NULL;
 162                 plen += size.cx;
 163             }
 164             break;
 165
 166         default:
 167             dest[j++] = str[i++];
 168             if (!(format & DT_NOCLIP) || !(format & DT_NOPREFIX) ||
 169                 (format & DT_WORDBREAK))
 170             {
 171                 if (!GetTextExtentPointW(hdc, &dest[j-1], 1, &size))
 172                     return NULL;
 173                 plen += size.cx;
 174             }
 175         }
 176
 177         (*count)--;
 178         if (!(format & DT_NOCLIP) || (format & DT_WORDBREAK))
 179         {
 180             if (plen > width)
 181             {
 182                 if (format & DT_WORDBREAK)
 183                 {
 184                     if (wb_j)
 185                     {
 186                         *len = wb_j;
 187                         *count = wb_count - 1;
 188                         return (&str[wb_i]);
 189                     }
 190                 }
 191                 else
 192                 {
 193                     *len = j;
 194                     return (&str[i]);
 195                 }
 196             }
 197         }
 198     }
 199
 200     *len = j;
 201     return NULL;
 202 }
 203
 204
 205 /***********************************************************************
 206  *           DrawText16    (USER.85)
 207  */
 208 INT16 WINAPI DrawText16( HDC16 hdc, LPCSTR str, INT16 count, LPRECT16 rect, UINT16 flags )
 209 {
 210     INT16 ret;
 211
 212     if (rect)
 213     {
 214         RECT rect32;
 215         CONV_RECT16TO32( rect, &rect32 );
 216         ret = DrawTextA( hdc, str, count, &rect32, flags );
 217         CONV_RECT32TO16( &rect32, rect );
 218     }
 219     else ret = DrawTextA( hdc, str, count, NULL, flags);
 220     return ret;
 221 }
 222
 223
 224 /***********************************************************************
 225  *           DrawTextExW    (USER32.166)
 226  */
 227 INT WINAPI DrawTextExW( HDC hdc, LPCWSTR str, INT i_count,
 228                      LPRECT rect, UINT flags, LPDRAWTEXTPARAMS dtp )
 229 {
 230     SIZE size;
 231     const WCHAR *strPtr;
 232     static WCHAR line[1024];
 233     int len, lh, count=i_count;
 234     int prefix_x = 0;
 235     int prefix_end = 0;
 236     TEXTMETRICW tm;
 237     int x = rect->left, y = rect->top;
 238     int width = rect->right - rect->left;
 239     int max_width = 0;
 240
 241     TRACE("%s, %d , [(%d,%d),(%d,%d)]\n", debugstr_wn (str, count), count,
 242           rect->left, rect->top, rect->right, rect->bottom);
 243
 244     if(dtp) {
 245         FIXME("Ignores params:%d,%d,%d,%d\n", dtp->cbSize,
 246               dtp->iTabLength, dtp->iLeftMargin, dtp->iRightMargin);
 247     }
 248
 249     if (!str) return 0;
 250     if (count == -1) count = strlenW(str);
 251     if (count == 0) return 0;
 252     strPtr = str;
 253
 254     GetTextMetricsW(hdc, &tm);
 255     if (flags & DT_EXTERNALLEADING)
 256         lh = tm.tmHeight + tm.tmExternalLeading;
 257     else
 258         lh = tm.tmHeight;
 259
 260     if (flags & DT_TABSTOP)
 261         tabstop = flags >> 8;
 262
 263     if (flags & DT_EXPANDTABS)
 264     {
 265         GetTextExtentPointW(hdc, SPACEW, 1, &size);
 266         spacewidth = size.cx;
 267         GetTextExtentPointW(hdc, oW, 1, &size);
 268         tabwidth = size.cx * tabstop;
 269     }
 270
 271     if (flags & DT_CALCRECT) flags |= DT_NOCLIP;
 272
 273     do
 274     {
 275         prefix_offset = -1;
 276         strPtr = TEXT_NextLineW(hdc, strPtr, &count, line, &len, width, flags);
 277
 278         if (prefix_offset != -1)
 279         {
 280             GetTextExtentPointW(hdc, line, prefix_offset, &size);
 281             prefix_x = size.cx;
 282             GetTextExtentPointW(hdc, line, prefix_offset + 1, &size);
 283             prefix_end = size.cx - 1;
 284         }
 285
 286         if (!GetTextExtentPointW(hdc, line, len, &size)) return 0;
 287         if (flags & DT_CENTER) x = (rect->left + rect->right -
 288                                     size.cx) / 2;
 289         else if (flags & DT_RIGHT) x = rect->right - size.cx;
 290
 291         if (flags & DT_SINGLELINE)
 292         {
 293             if (flags & DT_VCENTER) y = rect->top +
 294                 (rect->bottom - rect->top) / 2 - size.cy / 2;
 295             else if (flags & DT_BOTTOM) y = rect->bottom - size.cy;
 296
 297             if (flags & (DT_PATH_ELLIPSIS | DT_END_ELLIPSIS | DT_WORD_ELLIPSIS))
 298             {
 299                 WCHAR swapStr[sizeof(line)];
 300                 WCHAR* fnameDelim = NULL;
 301                 int totalLen = i_count >= 0 ? i_count : strlenW(str);
 302
 303                 if (size.cx > width)
 304                 {
 305                     int fnameLen = totalLen;
 306
 307                     /* allow room for '...' */
 308                     count = min(totalLen+3, sizeof(line)-3);
 309
 310                     if (flags & DT_WORD_ELLIPSIS)
 311                         flags |= DT_WORDBREAK;
 312
 313                     if (flags & DT_PATH_ELLIPSIS)
 314                     {
 315                         WCHAR* lastBkSlash = NULL;
 316                         WCHAR* lastFwdSlash = NULL;
 317                         strncpyW(line, str, totalLen);
 318                         line[totalLen] = '\0';
 319                         lastBkSlash = strrchrW(line, BACK_SLASHW[0]);
 320                         lastFwdSlash = strrchrW(line, FORWARD_SLASHW[0]);
 321                         fnameDelim = lastFwdSlash ? lastFwdSlash : lastBkSlash;
 322                         if (lastBkSlash && lastFwdSlash) /* which is last? */
 323                            if (lastBkSlash > lastFwdSlash)
 324                                 fnameDelim = lastBkSlash;
 325
 326                         if (fnameDelim)
 327                             fnameLen = &line[totalLen] - fnameDelim;
 328                         else
 329                             fnameDelim = (WCHAR*)str;
 330
 331                         strcpyW(swapStr, ELLIPSISW);
 332                         strncpyW(swapStr+strlenW(swapStr), fnameDelim, fnameLen);
 333                         swapStr[fnameLen+3] = '\0';
 334                         strncpyW(swapStr+strlenW(swapStr), str, totalLen - fnameLen);
 335                         swapStr[totalLen+3] = '\0';
 336                     }
 337                     else  /* DT_END_ELLIPSIS | DT_WORD_ELLIPSIS */
 338                     {
 339                         strcpyW(swapStr, ELLIPSISW);
 340                         strncpyW(swapStr+strlenW(swapStr), str, totalLen);
 341                     }
 342
 343                     TEXT_NextLineW(hdc, swapStr, &count, line, &len, width, flags);
 344
 345                     /* if only the ELLIPSIS will fit, just let it be clipped */
 346                     len = max(3, len);
 347                     GetTextExtentPointW(hdc, line, len, &size);
 348
 349                     /* FIXME:
 350                      * NextLine uses GetTextExtentPoint for each character,
 351                      * rather than GetCharABCWidth...  So the whitespace between
 352                      * characters is ignored in the width measurement, and the
 353                      * reported len is too great.  To compensate, we must get
 354                      * the width of the entire line and adjust len accordingly.
 355                     */
 356                     while ((size.cx > width) && (len > 3))
 357                     {
 358                         line[--len] = '\0';
 359                         GetTextExtentPointW(hdc, line, len, &size);
 360                     }
 361
 362                     if (fnameLen < len-3) /* some of the path will fit */
 363                     {
 364                         /* put the ELLIPSIS between the path and filename */
 365                         strncpyW(swapStr, &line[fnameLen+3], len-3-fnameLen);
 366                         swapStr[len-3-fnameLen] = '\0';
 367                         strcatW(swapStr, ELLIPSISW);
 368                         strncpyW(swapStr+strlenW(swapStr), &line[3], fnameLen);
 369                     }
 370                     else
 371                     {
 372                         /* move the ELLIPSIS to the end */
 373                         strncpyW(swapStr, &line[3], len-3);
 374                         swapStr[len-3] = '\0';
 375                         strcpyW(swapStr+strlenW(swapStr), ELLIPSISW);
 376                     }
 377
 378                     strncpyW(line, swapStr, len);
 379                     line[len] = '\0';
 380                     strPtr = NULL;
 381                 }
 382             }
 383         }
 384         if (!(flags & DT_CALCRECT))
 385         {
 386             if (!ExtTextOutW(hdc, x, y, (flags & DT_NOCLIP) ? 0 : ETO_CLIPPED,
 387                              rect, line, len, NULL )) return 0;
 388             if (prefix_offset != -1)
 389             {
 390                 HPEN hpen = CreatePen( PS_SOLID, 1, GetTextColor(hdc) );
 391                 HPEN oldPen = SelectObject( hdc, hpen );
 392                 MoveToEx(hdc, x + prefix_x, y + tm.tmAscent + 1, NULL );
 393                 LineTo(hdc, x + prefix_end + 1, y + tm.tmAscent + 1 );
 394                 SelectObject( hdc, oldPen );
 395                 DeleteObject( hpen );
 396             }
 397         }
 398         else if (size.cx > max_width)
 399             max_width = size.cx;
 400
 401         y += lh;
 402         if (strPtr)
 403         {
 404             if (!(flags & DT_NOCLIP))
 405             {
 406                 if (y > rect->bottom - lh)
 407                     break;
 408             }
 409         }
 410     }
 411     while (strPtr);
 412     if (flags & DT_CALCRECT)
 413     {
 414         rect->right = rect->left + max_width;
 415         rect->bottom = y;
 416     }
 417     return y - rect->top;
 418 }
 419
 420 /***********************************************************************
 421  *           DrawTextA    (USER32.164)
 422  */
 423 INT WINAPI DrawTextA( HDC hdc, LPCSTR str, INT count, LPRECT rect, UINT flags )
 424 {
 425    WCHAR *wstr;
 426    INT ret = 0;
 427    DWORD wcount;
 428
 429    if (count == -1) count = strlen(str);
 430    if (!count) return 0;
 431    wcount = MultiByteToWideChar( CP_ACP, 0, str, count, NULL, 0 );
 432    wstr = HeapAlloc(GetProcessHeap(), 0, wcount * sizeof(WCHAR));
 433    if (wstr)
 434    {
 435        MultiByteToWideChar( CP_ACP, 0, str, count, wstr, wcount );
 436        ret = DrawTextExW( hdc, wstr, wcount, rect, flags, NULL );
 437        HeapFree(GetProcessHeap(), 0, wstr);
 438    }
 439    return ret;
 440 }
 441
 442 /***********************************************************************
 443  *           DrawTextW    (USER32.167)
 444  */
 445 INT WINAPI DrawTextW( HDC hdc, LPCWSTR str, INT count,
 446                           LPRECT rect, UINT flags )
 447 {
 448     return DrawTextExW(hdc, str, count, rect, flags, NULL);
 449 }
 450
 451 /***********************************************************************
 452  *           DrawTextExA    (USER32.165)
 453  */
 454 INT WINAPI DrawTextExA( HDC hdc, LPCSTR str, INT count,
 455                      LPRECT rect, UINT flags, LPDRAWTEXTPARAMS dtp )
 456 {
 457     TRACE("(%d,'%s',%d,%p,0x%08x,%p)\n",hdc,str,count,rect,flags,dtp);
 458     if(dtp) {
 459         FIXME("Ignores params:%d,%d,%d,%d\n",dtp->cbSize,
 460                    dtp->iTabLength,dtp->iLeftMargin,dtp->iRightMargin);
 461     }
 462     return DrawTextA(hdc,str,count,rect,flags);
 463 }
 464
 465 /***********************************************************************
 466  *           TEXT_GrayString
 467  *
 468  * FIXME: The call to 16-bit code only works because the wine GDI is a 16-bit
 469  * heap and we can guarantee that the handles fit in an INT16. We have to
 470  * rethink the strategy once the migration to NT handles is complete.
 471  * We are going to get a lot of code-duplication once this migration is
 472  * completed...
 473  *
 474  */
 475 static BOOL TEXT_GrayString(HDC hdc, HBRUSH hb, GRAYSTRINGPROC fn, LPARAM lp, INT len,
 476                             INT x, INT y, INT cx, INT cy, BOOL unicode, BOOL _32bit)
 477 {
 478     HBITMAP hbm, hbmsave;
 479     HBRUSH hbsave;
 480     HFONT hfsave;
 481     HDC memdc = CreateCompatibleDC(hdc);
 482     int slen = len;
 483     BOOL retval = TRUE;
 484     COLORREF fg, bg;
 485
 486     if(!hdc) return FALSE;
 487
 488     if(len == 0)
 489     {
 490         if(unicode)
 491             slen = lstrlenW((LPCWSTR)lp);
 492         else if(_32bit)
 493             slen = strlen((LPCSTR)lp);
 494         else
 495             slen = strlen((LPCSTR)PTR_SEG_TO_LIN(lp));
 496     }
 497
 498     if((cx == 0 || cy == 0) && slen != -1)
 499     {
 500         SIZE s;
 501         if(unicode)
 502             GetTextExtentPoint32W(hdc, (LPCWSTR)lp, slen, &s);
 503         else if(_32bit)
 504             GetTextExtentPoint32A(hdc, (LPCSTR)lp, slen, &s);
 505         else
 506             GetTextExtentPoint32A(hdc, (LPCSTR)PTR_SEG_TO_LIN(lp), slen, &s);
 507         if(cx == 0) cx = s.cx;
 508         if(cy == 0) cy = s.cy;
 509     }
 510
 511     hbm = CreateBitmap(cx, cy, 1, 1, NULL);
 512     hbmsave = (HBITMAP)SelectObject(memdc, hbm);
 513     hbsave = SelectObject( memdc, GetStockObject(BLACK_BRUSH) );
 514     PatBlt( memdc, 0, 0, cx, cy, PATCOPY );
 515     SelectObject( memdc, hbsave );
 516     SetTextColor(memdc, RGB(255, 255, 255));
 517     SetBkColor(memdc, RGB(0, 0, 0));
 518     hfsave = (HFONT)SelectObject(memdc, GetCurrentObject(hdc, OBJ_FONT));
 519
 520     if(fn)
 521     {
 522         if(_32bit)
 523             retval = fn(memdc, lp, slen);
 524         else
 525             retval = (BOOL)((BOOL16)((GRAYSTRINGPROC16)fn)((HDC16)memdc, lp, (INT16)slen));
 526     }
 527     else
 528     {
 529         if(unicode)
 530             TextOutW(memdc, 0, 0, (LPCWSTR)lp, slen);
 531         else if(_32bit)
 532             TextOutA(memdc, 0, 0, (LPCSTR)lp, slen);
 533         else
 534             TextOutA(memdc, 0, 0, (LPCSTR)PTR_SEG_TO_LIN(lp), slen);
 535     }
 536
 537     SelectObject(memdc, hfsave);
 538
 539 /*
 540  * Windows doc says that the bitmap isn't grayed when len == -1 and
 541  * the callback function returns FALSE. However, testing this on
 542  * win95 showed otherwise...
 543 */
 544 #ifdef GRAYSTRING_USING_DOCUMENTED_BEHAVIOUR
 545     if(retval || len != -1)
 546 #endif
 547     {
 548         hbsave = (HBRUSH)SelectObject(memdc, CACHE_GetPattern55AABrush());
 549         PatBlt(memdc, 0, 0, cx, cy, 0x000A0329);
 550         SelectObject(memdc, hbsave);
 551     }
 552
 553     if(hb) hbsave = (HBRUSH)SelectObject(hdc, hb);
 554     fg = SetTextColor(hdc, RGB(0, 0, 0));
 555     bg = SetBkColor(hdc, RGB(255, 255, 255));
 556     BitBlt(hdc, x, y, cx, cy, memdc, 0, 0, 0x00E20746);
 557     SetTextColor(hdc, fg);
 558     SetBkColor(hdc, bg);
 559     if(hb) SelectObject(hdc, hbsave);
 560
 561     SelectObject(memdc, hbmsave);
 562     DeleteObject(hbm);
 563     DeleteDC(memdc);
 564     return retval;
 565 }
 566
 567
 568 /***********************************************************************
 569  *           GrayString16   (USER.185)
 570  */
 571 BOOL16 WINAPI GrayString16( HDC16 hdc, HBRUSH16 hbr, GRAYSTRINGPROC16 gsprc,
 572                             LPARAM lParam, INT16 cch, INT16 x, INT16 y,
 573                             INT16 cx, INT16 cy )
 574 {
 575     return TEXT_GrayString(hdc, hbr, (GRAYSTRINGPROC)gsprc, lParam, cch,
 576                            x, y, cx, cy, FALSE, FALSE);
 577 }
 578
 579
 580 /***********************************************************************
 581  *           GrayStringA   (USER32.315)
 582  */
 583 BOOL WINAPI GrayStringA( HDC hdc, HBRUSH hbr, GRAYSTRINGPROC gsprc,
 584                          LPARAM lParam, INT cch, INT x, INT y,
 585                          INT cx, INT cy )
 586 {
 587     return TEXT_GrayString(hdc, hbr, gsprc, lParam, cch, x, y, cx, cy,
 588                            FALSE, TRUE);
 589 }
 590
 591
 592 /***********************************************************************
 593  *           GrayStringW   (USER32.316)
 594  */
 595 BOOL WINAPI GrayStringW( HDC hdc, HBRUSH hbr, GRAYSTRINGPROC gsprc,
 596                          LPARAM lParam, INT cch, INT x, INT y,
 597                          INT cx, INT cy )
 598 {
 599     return TEXT_GrayString(hdc, hbr, gsprc, lParam, cch, x, y, cx, cy,
 600                            TRUE, TRUE);
 601 }
 602
 603 /***********************************************************************
 604  *           TEXT_TabbedTextOut
 605  *
 606  * Helper function for TabbedTextOut() and GetTabbedTextExtent().
 607  * Note: this doesn't work too well for text-alignment modes other
 608  *       than TA_LEFT|TA_TOP. But we want bug-for-bug compatibility :-)
 609  */
 610 static LONG TEXT_TabbedTextOut( HDC hdc, INT x, INT y, LPCSTR lpstr,
 611                                 INT count, INT cTabStops, const INT16 *lpTabPos16,
 612                                 const INT *lpTabPos32, INT nTabOrg,
 613                                 BOOL fDisplayText )
 614 {
 615     INT defWidth;
 616     SIZE extent;
 617     int i, tabPos = x;
 618     int start = x;
 619
 620     extent.cx = 0;
 621     extent.cy = 0;
 622
 623     if (cTabStops == 1)
 624     {
 625         defWidth = lpTabPos32 ? *lpTabPos32 : *lpTabPos16;
 626         cTabStops = 0;
 627     }
 628     else
 629     {
 630         TEXTMETRICA tm;
 631         GetTextMetricsA( hdc, &tm );
 632         defWidth = 8 * tm.tmAveCharWidth;
 633     }
 634
 635     while (count > 0)
 636     {
 637         for (i = 0; i < count; i++)
 638             if (lpstr[i] == '\t') break;
 639         GetTextExtentPointA( hdc, lpstr, i, &extent );
 640         if (lpTabPos32)
 641         {
 642             while ((cTabStops > 0) &&
 643                    (nTabOrg + *lpTabPos32 <= x + extent.cx))
 644             {
 645                 lpTabPos32++;
 646                 cTabStops--;
 647             }
 648         }
 649         else
 650         {
 651             while ((cTabStops > 0) &&
 652                    (nTabOrg + *lpTabPos16 <= x + extent.cx))
 653             {
 654                 lpTabPos16++;
 655                 cTabStops--;
 656             }
 657         }
 658         if (i == count)
 659             tabPos = x + extent.cx;
 660         else if (cTabStops > 0)
 661             tabPos = nTabOrg + (lpTabPos32 ? *lpTabPos32 : *lpTabPos16);
 662         else
 663             tabPos = nTabOrg + ((x + extent.cx - nTabOrg) / defWidth + 1) * defWidth;
 664         if (fDisplayText)
 665         {
 666             RECT r;
 667             r.left   = x;
 668             r.top    = y;
 669             r.right  = tabPos;
 670             r.bottom = y + extent.cy;
 671             ExtTextOutA( hdc, x, y,
 672                            GetBkMode(hdc) == OPAQUE ? ETO_OPAQUE : 0,
 673                            &r, lpstr, i, NULL );
 674         }
 675         x = tabPos;
 676         count -= i+1;
 677         lpstr += i+1;
 678     }
 679     return MAKELONG(tabPos - start, extent.cy);
 680 }
 681
 682
 683 /***********************************************************************
 684  *           TabbedTextOut16    (USER.196)
 685  */
 686 LONG WINAPI TabbedTextOut16( HDC16 hdc, INT16 x, INT16 y, LPCSTR lpstr,
 687                              INT16 count, INT16 cTabStops,
 688                              const INT16 *lpTabPos, INT16 nTabOrg )
 689 {
 690     TRACE("%04x %d,%d '%.*s' %d\n", hdc, x, y, count, lpstr, count );
 691     return TEXT_TabbedTextOut( hdc, x, y, lpstr, count, cTabStops,
 692                                lpTabPos, NULL, nTabOrg, TRUE );
 693 }
 694
 695
 696 /***********************************************************************
 697  *           TabbedTextOutA    (USER32.542)
 698  */
 699 LONG WINAPI TabbedTextOutA( HDC hdc, INT x, INT y, LPCSTR lpstr, INT count,
 700                             INT cTabStops, const INT *lpTabPos, INT nTabOrg )
 701 {
 702     TRACE("%04x %d,%d '%.*s' %d\n", hdc, x, y, count, lpstr, count );
 703     return TEXT_TabbedTextOut( hdc, x, y, lpstr, count, cTabStops,
 704                                NULL, lpTabPos, nTabOrg, TRUE );
 705 }
 706
 707
 708 /***********************************************************************
 709  *           TabbedTextOutW    (USER32.543)
 710  */
 711 LONG WINAPI TabbedTextOutW( HDC hdc, INT x, INT y, LPCWSTR str, INT count,
 712                             INT cTabStops, const INT *lpTabPos, INT nTabOrg )
 713 {
 714     LONG ret;
 715     LPSTR p;
 716     INT acount;
 717     UINT codepage = CP_ACP; /* FIXME: get codepage of font charset */
 718
 719     acount = WideCharToMultiByte(codepage,0,str,count,NULL,0,NULL,NULL);
 720     p = HeapAlloc( GetProcessHeap(), 0, acount );
 721     if(p == NULL) return 0; /* FIXME: is this the correct return on failure */
 722     acount = WideCharToMultiByte(codepage,0,str,count,p,acount,NULL,NULL);
 723     ret = TabbedTextOutA( hdc, x, y, p, acount, cTabStops, lpTabPos, nTabOrg );
 724     HeapFree( GetProcessHeap(), 0, p );
 725     return ret;
 726 }
 727
 728
 729 /***********************************************************************
 730  *           GetTabbedTextExtent16    (USER.197)
 731  */
 732 DWORD WINAPI GetTabbedTextExtent16( HDC16 hdc, LPCSTR lpstr, INT16 count,
 733                                     INT16 cTabStops, const INT16 *lpTabPos )
 734 {
 735     TRACE("%04x '%.*s' %d\n", hdc, count, lpstr, count );
 736     return TEXT_TabbedTextOut( hdc, 0, 0, lpstr, count, cTabStops,
 737                                lpTabPos, NULL, 0, FALSE );
 738 }
 739
 740
 741 /***********************************************************************
 742  *           GetTabbedTextExtentA    (USER32.293)
 743  */
 744 DWORD WINAPI GetTabbedTextExtentA( HDC hdc, LPCSTR lpstr, INT count,
 745                                    INT cTabStops, const INT *lpTabPos )
 746 {
 747     TRACE("%04x '%.*s' %d\n", hdc, count, lpstr, count );
 748     return TEXT_TabbedTextOut( hdc, 0, 0, lpstr, count, cTabStops,
 749                                NULL, lpTabPos, 0, FALSE );
 750 }
 751
 752
 753 /***********************************************************************
 754  *           GetTabbedTextExtentW    (USER32.294)
 755  */
 756 DWORD WINAPI GetTabbedTextExtentW( HDC hdc, LPCWSTR lpstr, INT count,
 757                                    INT cTabStops, const INT *lpTabPos )
 758 {
 759     LONG ret;
 760     LPSTR p;
 761     INT acount;
 762     UINT codepage = CP_ACP; /* FIXME: get codepage of font charset */
 763
 764     acount = WideCharToMultiByte(codepage,0,lpstr,count,NULL,0,NULL,NULL);
 765     p = HeapAlloc( GetProcessHeap(), 0, acount );
 766     if(p == NULL) return 0; /* FIXME: is this the correct failure value? */
 767     acount = WideCharToMultiByte(codepage,0,lpstr,count,p,acount,NULL,NULL);
 768     ret = GetTabbedTextExtentA( hdc, p, acount, cTabStops, lpTabPos );
 769     HeapFree( GetProcessHeap(), 0, p );
 770     return ret;
 771 }