source: trunk/src/user32/text.c@ 7684

Last change on this file since 7684 was 7684, checked in by sandervl, 24 years ago

ported Wine DrawText(Ex)A/W
File size: 23.7 KB
Line 
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 "user.h"
18#include "debugtools.h"
19
20#ifdef __WIN32OS2__
21#define CACHE_GetPattern55AABrush GetPattern55AABrush
22
23#define MapSL(a) a
24#endif
25
26DEFAULT_DEBUG_CHANNEL(text);
27
28#define TAB 9
29#define LF 10
30#define CR 13
31#define SPACE 32
32#define PREFIX 38
33
34#define ELLIPSIS "..."
35#define FORWARD_SLASH '/'
36#define BACK_SLASH '\\'
37
38static const WCHAR SPACEW[] = {' ', 0};
39static const WCHAR oW[] = {'o', 0};
40static const WCHAR ELLIPSISW[] = {'.','.','.', 0};
41static const WCHAR FORWARD_SLASHW[] = {'/', 0};
42static const WCHAR BACK_SLASHW[] = {'\\', 0};
43
44#define SWAP_INT(a,b) { int t = a; a = b; b = t; }
45
46static int tabstop = 8;
47static int tabwidth;
48static int spacewidth;
49static int prefix_offset;
50
51/*********************************************************************
52 * Return next line of text from a string.
53 *
54 * hdc - handle to DC.
55 * str - string to parse into lines.
56 * count - length of str.
57 * dest - destination in which to return line.
58 * len - dest buffer size in chars on input, copied length into dest on output.
59 * width - maximum width of line in pixels.
60 * format - format type passed to DrawText.
61 *
62 * Returns pointer to next char in str after end of the line
63 * or NULL if end of str reached.
64 *
65 * FIXME:
66 * GetTextExtentPoint is used to get the width of each character,
67 * rather than GetCharABCWidth... So the whitespace between
68 * characters is ignored, and the reported len is too great.
69 */
70static const WCHAR *TEXT_NextLineW( HDC hdc, const WCHAR *str, int *count,
71 WCHAR *dest, int *len, int width, WORD format)
72{
73 int i = 0, j = 0, k;
74 int plen = 0;
75 int numspaces;
76 SIZE size;
77 int lasttab = 0;
78 int wb_i = 0, wb_j = 0, wb_count = 0;
79 int maxl = *len;
80
81 while (*count && j < maxl)
82 {
83 switch (str[i])
84 {
85 case CR:
86 case LF:
87 if (!(format & DT_SINGLELINE))
88 {
89 if ((*count > 1) && (str[i] == CR) && (str[i+1] == LF))
90 {
91 (*count)--;
92 i++;
93 }
94 i++;
95 *len = j;
96 (*count)--;
97 return (&str[i]);
98 }
99 dest[j++] = str[i++];
100 if (!(format & DT_NOCLIP) || !(format & DT_NOPREFIX) ||
101 (format & DT_WORDBREAK))
102 {
103 if (!GetTextExtentPointW(hdc, &dest[j-1], 1, &size))
104 return NULL;
105 plen += size.cx;
106 }
107 break;
108
109 case PREFIX:
110 if (!(format & DT_NOPREFIX) && *count > 1)
111 {
112 if (str[++i] == PREFIX)
113 (*count)--;
114 else {
115 prefix_offset = j;
116 break;
117 }
118 }
119 dest[j++] = str[i++];
120 if (!(format & DT_NOCLIP) || !(format & DT_NOPREFIX) ||
121 (format & DT_WORDBREAK))
122 {
123 if (!GetTextExtentPointW(hdc, &dest[j-1], 1, &size))
124 return NULL;
125 plen += size.cx;
126 }
127 break;
128
129 case TAB:
130 if (format & DT_EXPANDTABS)
131 {
132 wb_i = ++i;
133 wb_j = j;
134 wb_count = *count;
135
136 if (!GetTextExtentPointW(hdc, &dest[lasttab], j - lasttab, &size))
137 return NULL;
138
139 numspaces = (tabwidth - size.cx) / spacewidth;
140 for (k = 0; k < numspaces; k++)
141 dest[j++] = SPACE;
142 plen += tabwidth - size.cx;
143 lasttab = wb_j + numspaces;
144 }
145 else
146 {
147 dest[j++] = str[i++];
148 if (!(format & DT_NOCLIP) || !(format & DT_NOPREFIX) ||
149 (format & DT_WORDBREAK))
150 {
151 if (!GetTextExtentPointW(hdc, &dest[j-1], 1, &size))
152 return NULL;
153 plen += size.cx;
154 }
155 }
156 break;
157
158 case SPACE:
159 dest[j++] = str[i++];
160 if (!(format & DT_NOCLIP) || !(format & DT_NOPREFIX) ||
161 (format & DT_WORDBREAK))
162 {
163 wb_i = i;
164 wb_j = j - 1;
165 wb_count = *count;
166 if (!GetTextExtentPointW(hdc, &dest[j-1], 1, &size))
167 return NULL;
168 plen += size.cx;
169 }
170 break;
171
172 default:
173 dest[j++] = str[i++];
174 if (!(format & DT_NOCLIP) || !(format & DT_NOPREFIX) ||
175 (format & DT_WORDBREAK))
176 {
177 if (!GetTextExtentPointW(hdc, &dest[j-1], 1, &size))
178 return NULL;
179 plen += size.cx;
180 }
181 }
182
183 (*count)--;
184 if (!(format & DT_NOCLIP) || (format & DT_WORDBREAK))
185 {
186 if (plen > width)
187 {
188 if (format & DT_WORDBREAK)
189 {
190 if (wb_j)
191 {
192 *len = wb_j;
193 *count = wb_count - 1;
194 return (&str[wb_i]);
195 }
196 }
197 else
198 {
199 *len = j;
200 return (&str[i]);
201 }
202 }
203 }
204 }
205
206 *len = j;
207 return NULL;
208}
209
210
211#ifndef __WIN32OS2__
212/***********************************************************************
213 * DrawText (USER.85)
214 */
215INT16 WINAPI DrawText16( HDC16 hdc, LPCSTR str, INT16 count, LPRECT16 rect, UINT16 flags )
216{
217 INT16 ret;
218
219 if (rect)
220 {
221 RECT rect32;
222 CONV_RECT16TO32( rect, &rect32 );
223 ret = DrawTextA( hdc, str, count, &rect32, flags );
224 CONV_RECT32TO16( &rect32, rect );
225 }
226 else ret = DrawTextA( hdc, str, count, NULL, flags);
227 return ret;
228}
229#endif
230
231/***********************************************************************
232 * DrawTextExW (USER32.@)
233 */
234#define MAX_STATIC_BUFFER 1024
235INT WINAPI DrawTextExW( HDC hdc, LPWSTR str, INT i_count,
236 LPRECT rect, UINT flags, LPDRAWTEXTPARAMS dtp )
237{
238 SIZE size;
239 const WCHAR *strPtr;
240 static WCHAR line[MAX_STATIC_BUFFER];
241 int len, lh, count=i_count;
242 int prefix_x = 0;
243 int prefix_end = 0;
244 TEXTMETRICW tm;
245 int lmargin = 0, rmargin = 0;
246 int x = rect->left, y = rect->top;
247 int width = rect->right - rect->left;
248 int max_width = 0;
249
250#ifdef __WIN32OS2__
251 dprintf(("DrawTextExW: %ls, %d , [(%d,%d),(%d,%d)]\n", str, count,
252 rect->left, rect->top, rect->right, rect->bottom));
253#else
254 TRACE("%s, %d , [(%d,%d),(%d,%d)]\n", debugstr_wn (str, count), count,
255 rect->left, rect->top, rect->right, rect->bottom);
256#endif
257
258 if (dtp) TRACE("Params: iTabLength=%d, iLeftMargin=%d, iRightMargin=%d\n",
259 dtp->iTabLength, dtp->iLeftMargin, dtp->iRightMargin);
260
261 if (!str) return 0;
262 if (count == -1) count = strlenW(str);
263 if (count == 0) return 0;
264 strPtr = str;
265
266 GetTextMetricsW(hdc, &tm);
267 if (flags & DT_EXTERNALLEADING)
268 lh = tm.tmHeight + tm.tmExternalLeading;
269 else
270 lh = tm.tmHeight;
271
272 if (dtp)
273 {
274 lmargin = dtp->iLeftMargin * tm.tmAveCharWidth;
275 rmargin = dtp->iRightMargin * tm.tmAveCharWidth;
276 if (!(flags & (DT_CENTER | DT_RIGHT)))
277 x += lmargin;
278 dtp->uiLengthDrawn = 0; /* This param RECEIVES number of chars processed */
279 }
280
281 if (flags & DT_TABSTOP)
282 tabstop = dtp ? dtp->iTabLength : flags >> 8;
283
284 if (flags & DT_EXPANDTABS)
285 {
286 GetTextExtentPointW(hdc, SPACEW, 1, &size);
287 spacewidth = size.cx;
288 GetTextExtentPointW(hdc, oW, 1, &size);
289 tabwidth = size.cx * tabstop;
290 }
291
292 if (flags & DT_CALCRECT) flags |= DT_NOCLIP;
293
294 do
295 {
296 prefix_offset = -1;
297 len = MAX_STATIC_BUFFER;
298 strPtr = TEXT_NextLineW(hdc, strPtr, &count, line, &len, width, flags);
299
300 if (prefix_offset != -1)
301 {
302 GetTextExtentPointW(hdc, line, prefix_offset, &size);
303 prefix_x = size.cx;
304 GetTextExtentPointW(hdc, line, prefix_offset + 1, &size);
305 prefix_end = size.cx - 1;
306 }
307
308 if (!GetTextExtentPointW(hdc, line, len, &size)) return 0;
309 if (flags & DT_CENTER) x = (rect->left + rect->right -
310 size.cx) / 2;
311 else if (flags & DT_RIGHT) x = rect->right - size.cx;
312
313 if (flags & DT_SINGLELINE)
314 {
315 if (flags & DT_VCENTER) y = rect->top +
316 (rect->bottom - rect->top) / 2 - size.cy / 2;
317 else if (flags & DT_BOTTOM) y = rect->bottom - size.cy;
318
319 if (flags & (DT_PATH_ELLIPSIS | DT_END_ELLIPSIS | DT_WORD_ELLIPSIS))
320 {
321 WCHAR swapStr[sizeof(line)];
322 WCHAR* fnameDelim = NULL;
323 int totalLen = i_count >= 0 ? i_count : strlenW(str);
324
325 if (size.cx > width)
326 {
327 int fnameLen = totalLen;
328
329 /* allow room for '...' */
330 count = min(totalLen+3, sizeof(line)-3);
331
332 if (flags & DT_WORD_ELLIPSIS)
333 flags |= DT_WORDBREAK;
334
335 if (flags & DT_PATH_ELLIPSIS)
336 {
337 WCHAR* lastBkSlash = NULL;
338 WCHAR* lastFwdSlash = NULL;
339 strncpyW(line, str, totalLen);
340 line[totalLen] = '\0';
341 lastBkSlash = strrchrW(line, BACK_SLASHW[0]);
342 lastFwdSlash = strrchrW(line, FORWARD_SLASHW[0]);
343 fnameDelim = lastBkSlash > lastFwdSlash ? lastBkSlash : lastFwdSlash;
344
345 if (fnameDelim)
346 fnameLen = &line[totalLen] - fnameDelim;
347 else
348 fnameDelim = (WCHAR*)str;
349
350 strcpyW(swapStr, ELLIPSISW);
351 strncpyW(swapStr+strlenW(swapStr), fnameDelim, fnameLen);
352 swapStr[fnameLen+3] = '\0';
353 strncpyW(swapStr+strlenW(swapStr), str, totalLen - fnameLen);
354 swapStr[totalLen+3] = '\0';
355 }
356 else /* DT_END_ELLIPSIS | DT_WORD_ELLIPSIS */
357 {
358 strcpyW(swapStr, ELLIPSISW);
359 strncpyW(swapStr+strlenW(swapStr), str, totalLen);
360 }
361
362 len = MAX_STATIC_BUFFER;
363 TEXT_NextLineW(hdc, swapStr, &count, line, &len, width, flags);
364
365 /* if only the ELLIPSIS will fit, just let it be clipped */
366 len = max(3, len);
367 GetTextExtentPointW(hdc, line, len, &size);
368
369 /* FIXME:
370 * NextLine uses GetTextExtentPoint for each character,
371 * rather than GetCharABCWidth... So the whitespace between
372 * characters is ignored in the width measurement, and the
373 * reported len is too great. To compensate, we must get
374 * the width of the entire line and adjust len accordingly.
375 */
376 while ((size.cx > width) && (len > 3))
377 {
378 line[--len] = '\0';
379 GetTextExtentPointW(hdc, line, len, &size);
380 }
381
382 if (fnameLen < len-3) /* some of the path will fit */
383 {
384 /* put the ELLIPSIS between the path and filename */
385 strncpyW(swapStr, &line[fnameLen+3], len-3-fnameLen);
386 swapStr[len-3-fnameLen] = '\0';
387 strcatW(swapStr, ELLIPSISW);
388 strncpyW(swapStr+strlenW(swapStr), &line[3], fnameLen);
389 }
390 else
391 {
392 /* move the ELLIPSIS to the end */
393 strncpyW(swapStr, &line[3], len-3);
394 swapStr[len-3] = '\0';
395 strcpyW(swapStr+strlenW(swapStr), ELLIPSISW);
396 }
397
398 strncpyW(line, swapStr, len);
399 line[len] = '\0';
400 strPtr = NULL;
401 }
402 if (flags & DT_MODIFYSTRING)
403 strcpyW(str, swapStr);
404 }
405 }
406 if (!(flags & DT_CALCRECT))
407 {
408 if (!ExtTextOutW( hdc, x, y,
409 ((flags & DT_NOCLIP) ? 0 : ETO_CLIPPED) |
410 ((flags & DT_RTLREADING) ? ETO_RTLREADING : 0),
411 rect, line, len, NULL )) return 0;
412 if (prefix_offset != -1)
413 {
414 HPEN hpen = CreatePen( PS_SOLID, 1, GetTextColor(hdc) );
415 HPEN oldPen = SelectObject( hdc, hpen );
416 MoveToEx(hdc, x + prefix_x, y + tm.tmAscent + 1, NULL );
417 LineTo(hdc, x + prefix_end + 1, y + tm.tmAscent + 1 );
418 SelectObject( hdc, oldPen );
419 DeleteObject( hpen );
420 }
421 }
422 else if (size.cx > max_width)
423 max_width = size.cx;
424
425 y += lh;
426 if (strPtr)
427 {
428 if (!(flags & DT_NOCLIP))
429 {
430 if (y > rect->bottom - lh)
431 break;
432 }
433 }
434 if (dtp)
435 dtp->uiLengthDrawn += len;
436 }
437 while (strPtr);
438
439 if (flags & DT_CALCRECT)
440 {
441 rect->right = rect->left + max_width;
442 rect->bottom = y;
443 if (dtp)
444 rect->right += lmargin + rmargin;
445 }
446 return y - rect->top;
447}
448
449/***********************************************************************
450 * DrawTextExA (USER32.@)
451 */
452INT WINAPI DrawTextExA( HDC hdc, LPCSTR str, INT count,
453 LPRECT rect, UINT flags, LPDRAWTEXTPARAMS dtp )
454{
455 WCHAR *wstr;
456 INT ret = 0;
457 DWORD wcount;
458
459 if (count == -1) count = strlen(str);
460 if (!count) return 0;
461 wcount = MultiByteToWideChar( CP_ACP, 0, str, count, NULL, 0 );
462 wstr = HeapAlloc(GetProcessHeap(), 0, wcount * sizeof(WCHAR));
463 if (wstr)
464 {
465 MultiByteToWideChar( CP_ACP, 0, str, count, wstr, wcount );
466 ret = DrawTextExW( hdc, wstr, wcount, rect, flags, NULL );
467 if (flags & DT_MODIFYSTRING)
468 WideCharToMultiByte( CP_ACP, 0, wstr, -1, str, count, NULL, NULL );
469 HeapFree(GetProcessHeap(), 0, wstr);
470 }
471 return ret;
472}
473
474/***********************************************************************
475 * DrawTextW (USER32.@)
476 */
477INT WINAPI DrawTextW( HDC hdc, LPCWSTR str, INT count, LPRECT rect, UINT flags )
478{
479 return DrawTextExW(hdc, (LPWSTR)str, count, rect, flags, NULL);
480}
481
482/***********************************************************************
483 * DrawTextA (USER32.@)
484 */
485INT WINAPI DrawTextA( HDC hdc, LPCSTR str, INT count, LPRECT rect, UINT flags )
486{
487 return DrawTextExA( hdc, (LPSTR)str, count, rect, flags, NULL );
488}
489
490/***********************************************************************
491 * TEXT_GrayString
492 *
493 * FIXME: The call to 16-bit code only works because the wine GDI is a 16-bit
494 * heap and we can guarantee that the handles fit in an INT16. We have to
495 * rethink the strategy once the migration to NT handles is complete.
496 * We are going to get a lot of code-duplication once this migration is
497 * completed...
498 *
499 */
500static BOOL TEXT_GrayString(HDC hdc, HBRUSH hb, GRAYSTRINGPROC fn, LPARAM lp, INT len,
501 INT x, INT y, INT cx, INT cy, BOOL unicode, BOOL _32bit)
502{
503 HBITMAP hbm, hbmsave;
504 HBRUSH hbsave;
505 HFONT hfsave;
506 HDC memdc = CreateCompatibleDC(hdc);
507 int slen = len;
508 BOOL retval = TRUE;
509 COLORREF fg, bg;
510
511#ifdef __WIN32OS2__
512 dprintf(("GrayString %x %x %x %x %d (%d,%d)(%d,%d)", hdc, hb, fn, lp, len, x, y, cx, cy));
513 if(!hdc) {
514 DeleteDC(memdc);
515 return FALSE;
516 }
517#else
518 if(!hdc) return FALSE;
519#endif
520
521 if(len == 0)
522 {
523 if(unicode)
524 slen = lstrlenW((LPCWSTR)lp);
525 else if(_32bit)
526 slen = strlen((LPCSTR)lp);
527 else
528 slen = strlen(MapSL(lp));
529 }
530
531 if((cx == 0 || cy == 0) && slen != -1)
532 {
533 SIZE s;
534 if(unicode)
535 GetTextExtentPoint32W(hdc, (LPCWSTR)lp, slen, &s);
536 else if(_32bit)
537 GetTextExtentPoint32A(hdc, (LPCSTR)lp, slen, &s);
538 else
539 GetTextExtentPoint32A(hdc, MapSL(lp), slen, &s);
540 if(cx == 0) cx = s.cx;
541 if(cy == 0) cy = s.cy;
542 }
543
544 hbm = CreateBitmap(cx, cy, 1, 1, NULL);
545 hbmsave = (HBITMAP)SelectObject(memdc, hbm);
546 hbsave = SelectObject( memdc, GetStockObject(BLACK_BRUSH) );
547 PatBlt( memdc, 0, 0, cx, cy, PATCOPY );
548 SelectObject( memdc, hbsave );
549 SetTextColor(memdc, RGB(255, 255, 255));
550 SetBkColor(memdc, RGB(0, 0, 0));
551 hfsave = (HFONT)SelectObject(memdc, GetCurrentObject(hdc, OBJ_FONT));
552
553 if(fn)
554 {
555 if(_32bit)
556 retval = fn(memdc, lp, slen);
557 else
558 retval = (BOOL)((BOOL16)((GRAYSTRINGPROC16)fn)((HDC16)memdc, lp, (INT16)slen));
559 }
560 else
561 {
562 if(unicode)
563 TextOutW(memdc, 0, 0, (LPCWSTR)lp, slen);
564 else if(_32bit)
565 TextOutA(memdc, 0, 0, (LPCSTR)lp, slen);
566 else
567 TextOutA(memdc, 0, 0, MapSL(lp), slen);
568 }
569
570 SelectObject(memdc, hfsave);
571
572/*
573 * Windows doc says that the bitmap isn't grayed when len == -1 and
574 * the callback function returns FALSE. However, testing this on
575 * win95 showed otherwise...
576*/
577#ifdef GRAYSTRING_USING_DOCUMENTED_BEHAVIOUR
578 if(retval || len != -1)
579#endif
580 {
581 hbsave = (HBRUSH)SelectObject(memdc, CACHE_GetPattern55AABrush());
582 PatBlt(memdc, 0, 0, cx, cy, 0x000A0329);
583 SelectObject(memdc, hbsave);
584 }
585
586 if(hb) hbsave = (HBRUSH)SelectObject(hdc, hb);
587 fg = SetTextColor(hdc, RGB(0, 0, 0));
588 bg = SetBkColor(hdc, RGB(255, 255, 255));
589 BitBlt(hdc, x, y, cx, cy, memdc, 0, 0, 0x00E20746);
590 SetTextColor(hdc, fg);
591 SetBkColor(hdc, bg);
592 if(hb) SelectObject(hdc, hbsave);
593
594 SelectObject(memdc, hbmsave);
595 DeleteObject(hbm);
596 DeleteDC(memdc);
597 return retval;
598}
599
600
601#ifndef __WIN32OS2__
602/***********************************************************************
603 * GrayString16 (USER.185)
604 */
605BOOL16 WINAPI GrayString16( HDC16 hdc, HBRUSH16 hbr, GRAYSTRINGPROC16 gsprc,
606 LPARAM lParam, INT16 cch, INT16 x, INT16 y,
607 INT16 cx, INT16 cy )
608{
609 return TEXT_GrayString(hdc, hbr, (GRAYSTRINGPROC)gsprc, lParam, cch,
610 x, y, cx, cy, FALSE, FALSE);
611}
612#endif
613
614/***********************************************************************
615 * GrayStringA (USER32.@)
616 */
617BOOL WINAPI GrayStringA( HDC hdc, HBRUSH hbr, GRAYSTRINGPROC gsprc,
618 LPARAM lParam, INT cch, INT x, INT y,
619 INT cx, INT cy )
620{
621 return TEXT_GrayString(hdc, hbr, gsprc, lParam, cch, x, y, cx, cy,
622 FALSE, TRUE);
623}
624
625
626/***********************************************************************
627 * GrayStringW (USER32.@)
628 */
629BOOL WINAPI GrayStringW( HDC hdc, HBRUSH hbr, GRAYSTRINGPROC gsprc,
630 LPARAM lParam, INT cch, INT x, INT y,
631 INT cx, INT cy )
632{
633 return TEXT_GrayString(hdc, hbr, gsprc, lParam, cch, x, y, cx, cy,
634 TRUE, TRUE);
635}
636
637/***********************************************************************
638 * TEXT_TabbedTextOut
639 *
640 * Helper function for TabbedTextOut() and GetTabbedTextExtent().
641 * Note: this doesn't work too well for text-alignment modes other
642 * than TA_LEFT|TA_TOP. But we want bug-for-bug compatibility :-)
643 */
644static LONG TEXT_TabbedTextOut( HDC hdc, INT x, INT y, LPCSTR lpstr,
645 INT count, INT cTabStops, const INT16 *lpTabPos16,
646 const INT *lpTabPos32, INT nTabOrg,
647 BOOL fDisplayText )
648{
649 INT defWidth;
650 SIZE extent;
651 int i, tabPos = x;
652 int start = x;
653
654 extent.cx = 0;
655 extent.cy = 0;
656
657 if (cTabStops == 1)
658 {
659 defWidth = lpTabPos32 ? *lpTabPos32 : *lpTabPos16;
660 cTabStops = 0;
661 }
662 else
663 {
664 TEXTMETRICA tm;
665 GetTextMetricsA( hdc, &tm );
666 defWidth = 8 * tm.tmAveCharWidth;
667 }
668
669 while (count > 0)
670 {
671 for (i = 0; i < count; i++)
672 if (lpstr[i] == '\t') break;
673 GetTextExtentPointA( hdc, lpstr, i, &extent );
674 if (lpTabPos32)
675 {
676 while ((cTabStops > 0) &&
677 (nTabOrg + *lpTabPos32 <= x + extent.cx))
678 {
679 lpTabPos32++;
680 cTabStops--;
681 }
682 }
683 else
684 {
685 while ((cTabStops > 0) &&
686 (nTabOrg + *lpTabPos16 <= x + extent.cx))
687 {
688 lpTabPos16++;
689 cTabStops--;
690 }
691 }
692 if (i == count)
693 tabPos = x + extent.cx;
694 else if (cTabStops > 0)
695 tabPos = nTabOrg + (lpTabPos32 ? *lpTabPos32 : *lpTabPos16);
696 else
697 tabPos = nTabOrg + ((x + extent.cx - nTabOrg) / defWidth + 1) * defWidth;
698 if (fDisplayText)
699 {
700 RECT r;
701 r.left = x;
702 r.top = y;
703 r.right = tabPos;
704 r.bottom = y + extent.cy;
705 ExtTextOutA( hdc, x, y,
706 GetBkMode(hdc) == OPAQUE ? ETO_OPAQUE : 0,
707 &r, lpstr, i, NULL );
708 }
709 x = tabPos;
710 count -= i+1;
711 lpstr += i+1;
712 }
713 return MAKELONG(tabPos - start, extent.cy);
714}
715
716
717#ifndef __WIN32OS2__
718/***********************************************************************
719 * TabbedTextOut (USER.196)
720 */
721LONG WINAPI TabbedTextOut16( HDC16 hdc, INT16 x, INT16 y, LPCSTR lpstr,
722 INT16 count, INT16 cTabStops,
723 const INT16 *lpTabPos, INT16 nTabOrg )
724{
725 TRACE("%04x %d,%d %s %d\n", hdc, x, y, debugstr_an(lpstr,count), count );
726 return TEXT_TabbedTextOut( hdc, x, y, lpstr, count, cTabStops,
727 lpTabPos, NULL, nTabOrg, TRUE );
728}
729#endif
730
731/***********************************************************************
732 * TabbedTextOutA (USER32.@)
733 */
734LONG WINAPI TabbedTextOutA( HDC hdc, INT x, INT y, LPCSTR lpstr, INT count,
735 INT cTabStops, const INT *lpTabPos, INT nTabOrg )
736{
737#ifdef __WIN32OS2__
738 dprintf(("TabbedTextOutA: %04x %d,%d %s %d\n", hdc, x, y, lpstr, count ));
739#else
740 TRACE("%04x %d,%d %s %d\n", hdc, x, y, debugstr_an(lpstr,count), count );
741#endif
742 return TEXT_TabbedTextOut( hdc, x, y, lpstr, count, cTabStops,
743 NULL, lpTabPos, nTabOrg, TRUE );
744}
745
746
747/***********************************************************************
748 * TabbedTextOutW (USER32.@)
749 */
750LONG WINAPI TabbedTextOutW( HDC hdc, INT x, INT y, LPCWSTR str, INT count,
751 INT cTabStops, const INT *lpTabPos, INT nTabOrg )
752{
753 LONG ret;
754 LPSTR p;
755 INT acount;
756 UINT codepage = CP_ACP; /* FIXME: get codepage of font charset */
757
758 acount = WideCharToMultiByte(codepage,0,str,count,NULL,0,NULL,NULL);
759 p = HeapAlloc( GetProcessHeap(), 0, acount );
760 if(p == NULL) return 0; /* FIXME: is this the correct return on failure */
761 acount = WideCharToMultiByte(codepage,0,str,count,p,acount,NULL,NULL);
762 ret = TabbedTextOutA( hdc, x, y, p, acount, cTabStops, lpTabPos, nTabOrg );
763 HeapFree( GetProcessHeap(), 0, p );
764 return ret;
765}
766
767
768#ifndef __WIN32OS2__
769/***********************************************************************
770 * GetTabbedTextExtent (USER.197)
771 */
772DWORD WINAPI GetTabbedTextExtent16( HDC16 hdc, LPCSTR lpstr, INT16 count,
773 INT16 cTabStops, const INT16 *lpTabPos )
774{
775 TRACE("%04x %s %d\n", hdc, debugstr_an(lpstr,count), count );
776 return TEXT_TabbedTextOut( hdc, 0, 0, lpstr, count, cTabStops,
777 lpTabPos, NULL, 0, FALSE );
778}
779#endif
780
781/***********************************************************************
782 * GetTabbedTextExtentA (USER32.@)
783 */
784DWORD WINAPI GetTabbedTextExtentA( HDC hdc, LPCSTR lpstr, INT count,
785 INT cTabStops, const INT *lpTabPos )
786{
787#ifdef __WIN32OS2__
788 dprintf(("GetTabbedTextExtentA: %04x %s %d\n", hdc, lpstr, count ));
789#else
790 TRACE("%04x %s %d\n", hdc, debugstr_an(lpstr,count), count );
791#endif
792 return TEXT_TabbedTextOut( hdc, 0, 0, lpstr, count, cTabStops,
793 NULL, lpTabPos, 0, FALSE );
794}
795
796
797/***********************************************************************
798 * GetTabbedTextExtentW (USER32.@)
799 */
800DWORD WINAPI GetTabbedTextExtentW( HDC hdc, LPCWSTR lpstr, INT count,
801 INT cTabStops, const INT *lpTabPos )
802{
803 LONG ret;
804 LPSTR p;
805 INT acount;
806 UINT codepage = CP_ACP; /* FIXME: get codepage of font charset */
807
808 acount = WideCharToMultiByte(codepage,0,lpstr,count,NULL,0,NULL,NULL);
809 p = HeapAlloc( GetProcessHeap(), 0, acount );
810 if(p == NULL) return 0; /* FIXME: is this the correct failure value? */
811 acount = WideCharToMultiByte(codepage,0,lpstr,count,p,acount,NULL,NULL);
812 ret = GetTabbedTextExtentA( hdc, p, acount, cTabStops, lpTabPos );
813 HeapFree( GetProcessHeap(), 0, p );
814 return ret;
815}
Note: See TracBrowser for help on using the repository browser.