2 * RichEdit - functions dealing with editor object
4 * Copyright 2004 by Krzysztof Foltman
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 API implementation status:
24 Messages (ANSI versions not done yet)
25 - EM_AUTOURLDETECT 2.0
41 - EM_GETAUTOURLDETECT 2.0
42 - EM_GETBIDIOPTIONS 3.0
43 - EM_GETCHARFORMAT (partly done)
46 - EM_GETFIRSTVISIBLELINE
47 - EM_GETIMECOLOR 1.0asian
48 - EM_GETIMECOMPMODE 2.0
49 - EM_GETIMEOPTIONS 1.0asian
51 - EM_GETLANGOPTIONS 2.0
54 - EM_GETLINECOUNT returns number of rows, not of paragraphs
59 - EM_GETPASSWORDCHAR 2.0
60 - EM_GETPUNCTUATION 1.0asian
64 + EM_GETSELTEXT (ANSI&Unicode)
70 ? + EM_GETTEXTRANGE (ANSI&Unicode)
71 - EM_GETTYPOGRAPHYOPTIONS 3.0
74 - EM_GETWORDBREAKPROCEX
75 - EM_GETWORDWRAPMODE 1.0asian
87 + EM_REPLACESEL (proper style?) ANSI&Unicode
91 - EM_SETBIDIOPTIONS 3.0
93 - EM_SETCHARFORMAT (partly done, no ANSI)
95 + EM_SETEVENTMASK (few notifications supported)
97 - EM_SETIMECOLOR 1.0asian
98 - EM_SETIMEOPTIONS 1.0asian
99 - EM_SETLANGOPTIONS 2.0
101 + EM_SETMODIFY (not sure if implementation is correct)
106 - EM_SETPASSWORDCHAR 2.0
107 - EM_SETPUNCTUATION 1.0asian
108 + EM_SETREADONLY no beep on modification attempt
110 - EM_SETRECTNP (EM_SETRECT without repainting) - not supported in RICHEDIT
112 - EM_SETSCROLLPOS 3.0
117 - EM_SETTYPOGRAPHYOPTIONS 3.0
118 - EM_SETUNDOLIMIT 2.0
119 - EM_SETWORDBREAKPROC
120 - EM_SETWORDBREAKPROCEX
121 - EM_SETWORDWRAPMODE 1.0asian
123 - EM_SHOWSCROLLBAR 2.0
124 - EM_STOPGROUPTYPING 2.0
125 + EM_STREAMIN (can't fall back to text when the RTF isn't really RTF)
132 + WM_GETDLGCODE (the current implementation is incomplete)
133 + WM_GETTEXT (ANSI&Unicode)
134 + WM_GETTEXTLENGTH (ANSI version sucks)
137 + WM_SETTEXT (resets undo stack !) (proper style?) ANSI&Unicode
139 - WM_STYLECHANGED (things like read-only flag)
144 * EN_CHANGE (sent from the wrong place)
161 * EN_UPDATE (sent from the wrong place)
169 - ES_DISABLENOSCROLL (scrollbar is always visible)
170 - ES_EX_NOCALLOLEINIT
172 - ES_MULTILINE (currently single line controls aren't supported)
174 - ES_READONLY (I'm not sure if beeping is the proper behaviour)
180 - ES_WANTRETURN (don't know how to do WM_GETDLGCODE part)
187 * RICHED20 TODO (incomplete):
189 * - messages/styles/notifications listed above
191 * - add remaining CHARFORMAT/PARAFORMAT fields
192 * - right/center align should strip spaces from the beginning
193 * - more advanced navigation (Ctrl-arrows)
195 * - pictures/OLE objects (not just smiling faces that lack API support ;-) )
196 * - COM interface (looks like a major pain in the TODO list)
197 * - calculate heights of pictures (half-done)
198 * - horizontal scrolling (not even started)
199 * - hysteresis during wrapping (related to scrollbars appearing/disappearing)
201 * - how to implement EM_FORMATRANGE and EM_DISPLAYBAND ? (Mission Impossible)
202 * - italic caret with italic fonts
204 * - most notifications aren't sent at all (the most important ones are)
205 * - when should EN_SELCHANGE be sent after text change ? (before/after EN_UPDATE?)
206 * - WM_SETTEXT may use wrong style (but I'm 80% sure it's OK)
207 * - EM_GETCHARFORMAT with SCF_SELECTION may not behave 100% like in original (but very close)
209 * Bugs that are probably fixed, but not so easy to verify:
210 * - EN_UPDATE/EN_CHANGE are handled very incorrectly (should be OK now)
211 * - undo for ME_JoinParagraphs doesn't store paragraph format ? (it does)
212 * - check/fix artificial EOL logic (bCursorAtEnd, hardly logical)
213 * - caret shouldn't be displayed when selection isn't empty
214 * - check refcounting in style management functions (looks perfect now, but no bugs is suspicious)
215 * - undo for setting default format (done, might be buggy)
216 * - styles might be not released properly (looks like they work like charm, but who knows?
224 #define NO_SHLWAPI_STREAM
229 WINE_DEFAULT_DEBUG_CHANNEL(richedit);
232 HANDLE me_heap = NULL;
234 ME_TextBuffer *ME_MakeText(void) {
236 ME_TextBuffer *buf = ALLOC_OBJ(ME_TextBuffer);
238 ME_DisplayItem *p1 = ME_MakeDI(diTextStart);
239 ME_DisplayItem *p2 = ME_MakeDI(diTextEnd);
245 p1->member.para.next_para = p2;
246 p2->member.para.prev_para = p1;
247 p2->member.para.nCharOfs = 0;
251 buf->pCharStyle = NULL;
257 static LRESULT ME_StreamInText(ME_TextEditor *editor, DWORD dwFormat, ME_InStream *stream, ME_Style *style)
259 WCHAR wszText[STREAMIN_BUFFER_SIZE+1];
262 TRACE("%08lx %p\n", dwFormat, stream);
269 ME_StreamInFill(stream);
270 if (stream->editstream->dwError)
276 if (!(dwFormat & SF_UNICODE))
278 /* FIXME? this is doomed to fail on true MBCS like UTF-8, luckily they're unlikely to be used as CP_ACP */
279 nWideChars = MultiByteToWideChar(CP_ACP, 0, stream->buffer, stream->dwSize, wszText, STREAMIN_BUFFER_SIZE);
284 nWideChars = stream->dwSize >> 1;
285 pText = (WCHAR *)stream->buffer;
288 ME_InsertTextFromCursor(editor, 0, pText, nWideChars, style);
289 if (stream->dwSize < STREAMIN_BUFFER_SIZE)
293 ME_CommitUndo(editor);
298 void ME_RTFCharAttrHook(RTF_Info *info)
301 fmt.cbSize = sizeof(fmt);
304 switch(info->rtfMinor)
307 /* FIXME add more flags once they're implemented */
308 fmt.dwMask = CFM_BOLD | CFM_ITALIC | CFM_UNDERLINE | CFM_STRIKEOUT | CFM_COLOR | CFM_BACKCOLOR | CFM_SIZE | CFM_WEIGHT;
309 fmt.dwEffects = CFE_AUTOCOLOR | CFE_AUTOBACKCOLOR;
310 fmt.yHeight = 12*20; /* 12pt */
314 fmt.dwMask = CFM_BOLD;
315 fmt.dwEffects = info->rtfParam ? fmt.dwMask : 0;
318 fmt.dwMask = CFM_ITALIC;
319 fmt.dwEffects = info->rtfParam ? fmt.dwMask : 0;
322 fmt.dwMask = CFM_UNDERLINE;
323 fmt.dwEffects = info->rtfParam ? fmt.dwMask : 0;
324 fmt.bUnderlineType = CFU_CF1UNDERLINE;
327 fmt.dwMask = CFM_UNDERLINE;
331 fmt.dwMask = CFM_STRIKEOUT;
332 fmt.dwEffects = info->rtfParam ? fmt.dwMask : 0;
336 case rtfSubScrShrink:
337 case rtfSuperScrShrink:
339 fmt.dwMask = CFM_SUBSCRIPT|CFM_SUPERSCRIPT;
340 if (info->rtfMinor == rtfSubScrShrink) fmt.dwEffects = CFE_SUBSCRIPT;
341 if (info->rtfMinor == rtfSuperScrShrink) fmt.dwEffects = CFE_SUPERSCRIPT;
342 if (info->rtfMinor == rtfNoSuperSub) fmt.dwEffects = 0;
345 fmt.dwMask = CFM_BACKCOLOR;
347 if (info->rtfParam == 0)
348 fmt.dwEffects = CFE_AUTOBACKCOLOR;
349 else if (info->rtfParam != rtfNoParam)
351 RTFColor *c = RTFGetColor(info, info->rtfParam);
352 fmt.crTextColor = (c->rtfCBlue<<16)|(c->rtfCGreen<<8)|(c->rtfCRed);
356 fmt.dwMask = CFM_COLOR;
358 if (info->rtfParam == 0)
359 fmt.dwEffects = CFE_AUTOCOLOR;
360 else if (info->rtfParam != rtfNoParam)
362 RTFColor *c = RTFGetColor(info, info->rtfParam);
363 fmt.crTextColor = (c->rtfCBlue<<16)|(c->rtfCGreen<<8)|(c->rtfCRed);
367 if (info->rtfParam != rtfNoParam)
369 RTFFont *f = RTFGetFont(info, info->rtfParam);
372 MultiByteToWideChar(CP_ACP, 0, f->rtfFName, -1, fmt.szFaceName, sizeof(fmt.szFaceName)/sizeof(WCHAR));
373 fmt.szFaceName[sizeof(fmt.szFaceName)/sizeof(WCHAR)-1] = '\0';
374 fmt.bCharSet = f->rtfFCharSet;
375 fmt.dwMask = CFM_FACE | CFM_CHARSET;
380 fmt.dwMask = CFM_SIZE;
381 if (info->rtfParam != rtfNoParam)
382 fmt.yHeight = info->rtfParam*10;
387 RTFFlushOutputBuffer(info);
388 /* FIXME too slow ? how come ? */
389 style2 = ME_ApplyStyle(info->style, &fmt);
390 ME_ReleaseStyle(info->style);
391 info->style = style2;
395 /* FIXME this function doesn't get any information about context of the RTF tag, which is very bad,
396 the same tags mean different things in different contexts */
397 void ME_RTFParAttrHook(RTF_Info *info)
400 fmt.cbSize = sizeof(fmt);
403 switch(info->rtfMinor)
405 case rtfParDef: /* I'm not 100% sure what does it do, but I guess it restores default paragraph attributes */
406 fmt.dwMask = PFM_ALIGNMENT | PFM_TABSTOPS | PFM_OFFSET | PFM_STARTINDENT;
407 fmt.wAlignment = PFA_LEFT;
409 fmt.dxOffset = fmt.dxStartIndent = 0;
412 ME_GetSelectionParaFormat(info->editor, &fmt);
413 fmt.dwMask = PFM_STARTINDENT;
414 fmt.dxStartIndent = info->rtfParam + fmt.dxOffset;
419 ME_GetSelectionParaFormat(info->editor, &fmt);
420 first = fmt.dxStartIndent;
421 left = info->rtfParam;
422 fmt.dwMask = PFM_STARTINDENT|PFM_OFFSET;
423 fmt.dxStartIndent = first + left;
424 fmt.dxOffset = -first;
428 fmt.dwMask = PFM_RIGHTINDENT;
429 fmt.dxRightIndent = info->rtfParam;
433 fmt.dwMask = PFM_ALIGNMENT;
434 fmt.wAlignment = PFA_LEFT;
437 fmt.dwMask = PFM_ALIGNMENT;
438 fmt.wAlignment = PFA_RIGHT;
441 fmt.dwMask = PFM_ALIGNMENT;
442 fmt.wAlignment = PFA_CENTER;
445 ME_GetSelectionParaFormat(info->editor, &fmt);
446 if (!(fmt.dwMask & PFM_TABSTOPS))
448 fmt.dwMask |= PFM_TABSTOPS;
451 if (fmt.cTabCount < MAX_TAB_STOPS)
452 fmt.rgxTabs[fmt.cTabCount++] = info->rtfParam;
456 RTFFlushOutputBuffer(info);
457 /* FIXME too slow ? how come ?*/
458 ME_SetSelectionParaFormat(info->editor, &fmt);
462 void ME_RTFReadHook(RTF_Info *info) {
463 switch(info->rtfClass)
466 switch(info->rtfMajor)
469 if (info->stackTop < maxStack) {
470 memcpy(&info->stack[info->stackTop].fmt, &info->style->fmt, sizeof(CHARFORMAT2W));
471 info->stack[info->stackTop].codePage = info->codePage;
472 info->stack[info->stackTop].unicodeLength = info->unicodeLength;
479 RTFFlushOutputBuffer(info);
481 /* FIXME too slow ? how come ? */
482 s = ME_ApplyStyle(info->style, &info->stack[info->stackTop].fmt);
483 ME_ReleaseStyle(info->style);
485 info->codePage = info->stack[info->stackTop].codePage;
486 info->unicodeLength = info->stack[info->stackTop].unicodeLength;
492 switch(info->rtfMajor)
495 ME_RTFCharAttrHook(info);
498 ME_RTFParAttrHook(info);
506 ME_StreamInFill(ME_InStream *stream)
508 stream->editstream->dwError = stream->editstream->pfnCallback(stream->editstream->dwCookie,
510 sizeof(stream->buffer),
515 static LRESULT ME_StreamIn(ME_TextEditor *editor, DWORD format, EDITSTREAM *stream)
519 int from, to, to2, nUndoMode;
521 int nEventMask = editor->nEventMask;
522 ME_InStream inStream;
524 TRACE("stream==%p hWnd==%p format==0x%X\n", stream, editor->hWnd, (UINT)format);
525 editor->nEventMask = 0;
527 ME_GetSelection(editor, &from, &to);
528 if (format & SFF_SELECTION) {
529 style = ME_GetSelectionInsertStyle(editor);
531 ME_InternalDeleteText(editor, from, to-from);
534 style = editor->pBuffer->pDefaultStyle;
535 ME_AddRefStyle(style);
536 SendMessageA(editor->hWnd, EM_SETSEL, 0, 0);
537 ME_InternalDeleteText(editor, 0, ME_GetTextLength(editor));
539 ME_ClearTempStyle(editor);
540 /* FIXME restore default paragraph formatting ! */
543 nUndoMode = editor->nUndoMode;
544 editor->nUndoMode = umIgnore;
546 inStream.editstream = stream;
547 inStream.editstream->dwError = 0;
553 /* Check if it's really RTF, and if it is not, use plain text */
554 ME_StreamInFill(&inStream);
555 if (!inStream.editstream->dwError)
557 if (strncmp(inStream.buffer, "{\\rtf1", 6) && strncmp(inStream.buffer, "{\\urtf", 6))
565 if (!inStream.editstream->dwError)
567 if (format & SF_RTF) {
568 /* setup the RTF parser */
569 memset(&parser, 0, sizeof parser);
570 RTFSetEditStream(&parser, &inStream);
571 parser.rtfFormat = format&(SF_TEXT|SF_RTF);
572 parser.hwndEdit = editor->hWnd;
573 parser.editor = editor;
574 parser.style = style;
577 RTFSetReadHook(&parser, ME_RTFReadHook);
582 RTFFlushOutputBuffer(&parser);
585 style = parser.style;
587 else if (format & SF_TEXT)
588 ME_StreamInText(editor, format, &inStream, style);
590 ERR("EM_STREAMIN without SF_TEXT or SF_RTF\n");
591 ME_GetSelection(editor, &to, &to2);
592 /* put the cursor at the top */
593 if (!(format & SFF_SELECTION))
594 SendMessageA(editor->hWnd, EM_SETSEL, 0, 0);
597 /* FIXME where to put cursor now ? */
601 editor->nUndoMode = nUndoMode;
602 pUI = ME_AddUndoItem(editor, diUndoDeleteRun, NULL);
603 TRACE("from %d to %d\n", from, to);
604 if (pUI && from < to)
609 ME_CommitUndo(editor);
610 ME_ReleaseStyle(style);
611 editor->nEventMask = nEventMask;
612 InvalidateRect(editor->hWnd, NULL, TRUE);
613 ME_UpdateRepaint(editor);
614 if (!(format & SFF_SELECTION)) {
615 ME_ClearTempStyle(editor);
617 ME_MoveCaret(editor);
618 ME_SendSelChange(editor);
625 ME_FindItemAtOffset(ME_TextEditor *editor, ME_DIType nItemType, int nOffset, int *nItemOffset)
627 ME_DisplayItem *item = ME_FindItemFwd(editor->pBuffer->pFirst, diParagraph);
629 while (item && item->member.para.next_para->member.para.nCharOfs <= nOffset)
630 item = ME_FindItemFwd(item, diParagraph);
635 nOffset -= item->member.para.nCharOfs;
636 if (nItemType == diParagraph) {
638 *nItemOffset = nOffset;
643 item = ME_FindItemFwd(item, diRun);
644 } while (item && (item->member.run.nCharOfs + ME_StrLen(item->member.run.strText) <= nOffset));
646 nOffset -= item->member.run.nCharOfs;
648 *nItemOffset = nOffset;
654 ME_TextEditor *ME_MakeEditor(HWND hWnd) {
655 ME_TextEditor *ed = ALLOC_OBJ(ME_TextEditor);
659 ed->pBuffer = ME_MakeText();
661 ME_MakeFirstParagraph(hDC, ed->pBuffer);
662 ReleaseDC(hWnd, hDC);
663 ed->bCaretShown = FALSE;
665 ed->pCursors = ALLOC_N_OBJ(ME_Cursor, ed->nCursors);
666 ed->pCursors[0].pRun = ME_FindItemFwd(ed->pBuffer->pFirst, diRun);
667 ed->pCursors[0].nOffset = 0;
668 ed->pCursors[1].pRun = ME_FindItemFwd(ed->pBuffer->pFirst, diRun);
669 ed->pCursors[1].nOffset = 0;
670 ed->nLastTotalLength = ed->nTotalLength = 0;
673 ed->rgbBackColor = -1;
674 ed->bCaretAtEnd = FALSE;
677 ed->pUndoStack = ed->pRedoStack = NULL;
678 ed->nUndoMode = umAddToUndo;
680 ed->nLastSelStart = ed->nLastSelEnd = 0;
682 for (i=0; i<HFONT_CACHE_SIZE; i++)
684 ed->pFontCache[i].nRefs = 0;
685 ed->pFontCache[i].nAge = 0;
686 ed->pFontCache[i].hFont = NULL;
688 ME_CheckCharOffsets(ed);
692 typedef struct tagME_GlobalDestStruct
696 } ME_GlobalDestStruct;
698 static DWORD CALLBACK ME_AppendToHGLOBAL(DWORD_PTR dwCookie, LPBYTE lpBuff, LONG cb, LONG *pcb)
700 ME_GlobalDestStruct *pData = (ME_GlobalDestStruct *)dwCookie;
704 nMaxSize = GlobalSize(pData->hData);
705 if (pData->nLength+cb+1 >= cb)
707 /* round up to 2^17 */
708 int nNewSize = (((nMaxSize+cb+1)|0x1FFFF)+1) & 0xFFFE0000;
709 pData->hData = GlobalReAlloc(pData->hData, nNewSize, 0);
711 pDest = (BYTE *)GlobalLock(pData->hData);
712 memcpy(pDest + pData->nLength, lpBuff, cb);
713 pData->nLength += cb;
714 pDest[pData->nLength] = '\0';
715 GlobalUnlock(pData->hData);
721 static DWORD CALLBACK ME_ReadFromHGLOBALUnicode(DWORD_PTR dwCookie, LPBYTE lpBuff, LONG cb, LONG *pcb)
723 ME_GlobalDestStruct *pData = (ME_GlobalDestStruct *)dwCookie;
728 pDest = (WORD *)lpBuff;
729 pSrc = (WORD *)GlobalLock(pData->hData);
730 for (i = 0; i<cb && pSrc[pData->nLength+i]; i++) {
731 pDest[i] = pSrc[pData->nLength+i];
735 GlobalUnlock(pData->hData);
739 static DWORD CALLBACK ME_ReadFromHGLOBALRTF(DWORD_PTR dwCookie, LPBYTE lpBuff, LONG cb, LONG *pcb)
741 ME_GlobalDestStruct *pData = (ME_GlobalDestStruct *)dwCookie;
746 pSrc = (BYTE *)GlobalLock(pData->hData);
747 for (i = 0; i<cb && pSrc[pData->nLength+i]; i++) {
748 pDest[i] = pSrc[pData->nLength+i];
752 GlobalUnlock(pData->hData);
756 void ME_DestroyEditor(ME_TextEditor *editor)
758 ME_DisplayItem *pFirst = editor->pBuffer->pFirst;
759 ME_DisplayItem *p = pFirst, *pNext = NULL;
762 ME_ClearTempStyle(editor);
763 ME_EmptyUndoStack(editor);
766 ME_DestroyDisplayItem(p);
769 ME_ReleaseStyle(editor->pBuffer->pDefaultStyle);
770 for (i=0; i<HFONT_CACHE_SIZE; i++)
772 if (editor->pFontCache[i].hFont)
773 DeleteObject(editor->pFontCache[i].hFont);
779 static WCHAR wszClassName[] = {'R', 'i', 'c', 'h', 'E', 'd', 'i', 't', '2', '0', 'W', 0};
780 static WCHAR wszClassName50[] = {'R', 'i', 'c', 'h', 'E', 'd', 'i', 't', '5', '0', 'W', 0};
782 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
787 case DLL_PROCESS_ATTACH:
788 DisableThreadLibraryCalls(hinstDLL);
789 me_heap = HeapCreate (0, 0x10000, 0);
790 ME_RegisterEditorClass(hinstDLL);
793 case DLL_PROCESS_DETACH:
794 UnregisterClassW(wszClassName, 0);
795 UnregisterClassW(wszClassName50, 0);
796 UnregisterClassA("RichEdit20A", 0);
797 UnregisterClassA("RichEdit50A", 0);
798 HeapDestroy (me_heap);
806 #define UNSUPPORTED_MSG(e) \
808 FIXME(#e ": stub\n"); \
809 return DefWindowProcW(hWnd, msg, wParam, lParam);
811 /******************************************************************
812 * RichEditANSIWndProc (RICHED20.10)
814 LRESULT WINAPI RichEditANSIWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam) {
818 ME_TextEditor *editor = (ME_TextEditor *)GetWindowLongW(hWnd, 0);
819 TRACE("msg %d %08x %08lx\n", msg, wParam, lParam);
822 UNSUPPORTED_MSG(EM_AUTOURLDETECT)
823 UNSUPPORTED_MSG(EM_CHARFROMPOS)
824 UNSUPPORTED_MSG(EM_DISPLAYBAND)
825 UNSUPPORTED_MSG(EM_EXLIMITTEXT)
826 UNSUPPORTED_MSG(EM_EXLINEFROMCHAR)
827 UNSUPPORTED_MSG(EM_FINDTEXT)
828 UNSUPPORTED_MSG(EM_FINDTEXTEX)
829 UNSUPPORTED_MSG(EM_FINDWORDBREAK)
830 UNSUPPORTED_MSG(EM_FMTLINES)
831 UNSUPPORTED_MSG(EM_FORMATRANGE)
832 UNSUPPORTED_MSG(EM_GETAUTOURLDETECT)
833 UNSUPPORTED_MSG(EM_GETBIDIOPTIONS)
834 UNSUPPORTED_MSG(EM_GETEDITSTYLE)
835 UNSUPPORTED_MSG(EM_GETFIRSTVISIBLELINE)
836 UNSUPPORTED_MSG(EM_GETIMECOMPMODE)
837 /* UNSUPPORTED_MSG(EM_GETIMESTATUS) missing in Wine headers */
838 UNSUPPORTED_MSG(EM_GETLANGOPTIONS)
839 UNSUPPORTED_MSG(EM_GETLIMITTEXT)
840 UNSUPPORTED_MSG(EM_GETLINE)
841 UNSUPPORTED_MSG(EM_GETLINECOUNT)
842 /* UNSUPPORTED_MSG(EM_GETOLEINTERFACE) separate stub */
843 UNSUPPORTED_MSG(EM_GETOPTIONS)
844 UNSUPPORTED_MSG(EM_GETPASSWORDCHAR)
845 UNSUPPORTED_MSG(EM_GETRECT)
846 UNSUPPORTED_MSG(EM_GETREDONAME)
847 UNSUPPORTED_MSG(EM_GETSCROLLPOS)
848 UNSUPPORTED_MSG(EM_GETTEXTEX)
849 UNSUPPORTED_MSG(EM_GETTEXTLENGTHEX)
850 UNSUPPORTED_MSG(EM_GETTEXTMODE)
851 UNSUPPORTED_MSG(EM_GETTYPOGRAPHYOPTIONS)
852 UNSUPPORTED_MSG(EM_GETUNDONAME)
853 UNSUPPORTED_MSG(EM_GETWORDBREAKPROC)
854 UNSUPPORTED_MSG(EM_GETWORDBREAKPROCEX)
855 UNSUPPORTED_MSG(EM_GETZOOM)
856 UNSUPPORTED_MSG(EM_HIDESELECTION)
857 UNSUPPORTED_MSG(EM_LIMITTEXT) /* also known as EM_SETLIMITTEXT */
858 UNSUPPORTED_MSG(EM_LINEFROMCHAR)
859 UNSUPPORTED_MSG(EM_LINEINDEX)
860 UNSUPPORTED_MSG(EM_LINELENGTH)
861 UNSUPPORTED_MSG(EM_PASTESPECIAL)
862 /* UNSUPPORTED_MSG(EM_POSFROMCHARS) missing in Wine headers */
863 UNSUPPORTED_MSG(EM_REQUESTRESIZE)
864 UNSUPPORTED_MSG(EM_SCROLL)
865 UNSUPPORTED_MSG(EM_SCROLLCARET)
866 UNSUPPORTED_MSG(EM_SELECTIONTYPE)
867 UNSUPPORTED_MSG(EM_SETBIDIOPTIONS)
868 UNSUPPORTED_MSG(EM_SETEDITSTYLE)
869 UNSUPPORTED_MSG(EM_SETFONTSIZE)
870 UNSUPPORTED_MSG(EM_SETLANGOPTIONS)
871 UNSUPPORTED_MSG(EM_SETOLECALLBACK)
872 UNSUPPORTED_MSG(EM_SETOPTIONS)
873 UNSUPPORTED_MSG(EM_SETPALETTE)
874 UNSUPPORTED_MSG(EM_SETPASSWORDCHAR)
875 UNSUPPORTED_MSG(EM_SETRECT)
876 UNSUPPORTED_MSG(EM_SETRECTNP)
877 UNSUPPORTED_MSG(EM_SETSCROLLPOS)
878 UNSUPPORTED_MSG(EM_SETTABSTOPS)
879 UNSUPPORTED_MSG(EM_SETTARGETDEVICE)
880 UNSUPPORTED_MSG(EM_SETTEXTEX)
881 UNSUPPORTED_MSG(EM_SETTEXTMODE)
882 UNSUPPORTED_MSG(EM_SETTYPOGRAPHYOPTIONS)
883 UNSUPPORTED_MSG(EM_SETUNDOLIMIT)
884 UNSUPPORTED_MSG(EM_SETWORDBREAKPROC)
885 UNSUPPORTED_MSG(EM_SETWORDBREAKPROCEX)
886 UNSUPPORTED_MSG(EM_SHOWSCROLLBAR)
887 UNSUPPORTED_MSG(EM_SETZOOM)
888 UNSUPPORTED_MSG(WM_SETFONT)
889 UNSUPPORTED_MSG(WM_STYLECHANGING)
890 UNSUPPORTED_MSG(WM_STYLECHANGED)
891 /* UNSUPPORTED_MSG(WM_UNICHAR) FIXME missing in Wine headers */
893 /* Messages specific to Richedit controls */
896 return ME_StreamIn(editor, wParam, (EDITSTREAM*)lParam);
898 return ME_StreamOut(editor, wParam, (EDITSTREAM *)lParam);
901 UINT code = DLGC_WANTCHARS|DLGC_WANTARROWS;
902 if (GetWindowLongW(hWnd, GWL_STYLE)&ES_WANTRETURN)
903 code |= 0; /* FIXME what can we do here ? ask for messages and censor them ? */
908 CREATESTRUCTW *pcs = (CREATESTRUCTW *)lParam;
909 editor = ME_MakeEditor(hWnd);
910 SetWindowLongW(hWnd, 0, (long)editor);
911 pcs = 0; /* ignore */
914 case EM_EMPTYUNDOBUFFER:
915 ME_EmptyUndoStack(editor);
919 /* Note: wParam/lParam can be NULL */
921 PUINT pfrom = wParam ? (PUINT)wParam : &from;
922 PUINT pto = lParam ? (PUINT)lParam : &to;
923 ME_GetSelection(editor, pfrom, pto);
924 if ((*pfrom|*pto) & 0xFFFF0000)
926 return MAKELONG(*pfrom,*pto);
930 CHARRANGE *pRange = (CHARRANGE *)lParam;
931 ME_GetSelection(editor, (int *)&pRange->cpMin, (int *)&pRange->cpMax);
935 return editor->pUndoStack != NULL;
937 return editor->pRedoStack != NULL;
946 ME_SetSelection(editor, wParam, lParam);
948 ME_SendSelChange(editor);
953 CHARRANGE *pRange = (CHARRANGE *)lParam;
954 ME_SetSelection(editor, pRange->cpMin, pRange->cpMax);
957 ME_SendSelChange(editor);
960 case EM_SETBKGNDCOLOR:
962 LRESULT lColor = ME_GetBackColor(editor);
964 editor->rgbBackColor = -1;
966 editor->rgbBackColor = lParam;
967 InvalidateRect(hWnd, NULL, TRUE);
972 return editor->nModifyStep == 0 ? 0 : 1;
976 editor->nModifyStep = 0x80000000;
978 editor->nModifyStep = 0;
984 long nStyle = GetWindowLongW(hWnd, GWL_STYLE);
986 nStyle |= ES_READONLY;
988 nStyle &= ~ES_READONLY;
989 SetWindowLongW(hWnd, GWL_STYLE, nStyle);
993 case EM_SETEVENTMASK:
994 editor->nEventMask = lParam;
996 case EM_GETEVENTMASK:
997 return editor->nEventMask;
998 case EM_SETCHARFORMAT:
1000 CHARFORMAT2W buf, *p;
1001 BOOL bRepaint = TRUE;
1002 p = ME_ToCF2W(&buf, (CHARFORMAT2W *)lParam);
1004 ME_SetDefaultCharFormat(editor, p);
1005 else if (wParam == (SCF_WORD | SCF_SELECTION))
1006 FIXME("word selection not supported\n");
1007 else if (wParam == SCF_ALL)
1008 ME_SetCharFormat(editor, 0, ME_GetTextLength(editor), p);
1011 ME_GetSelection(editor, &from, &to);
1012 bRepaint = (from != to);
1013 ME_SetSelectionCharFormat(editor, p);
1015 ME_CommitUndo(editor);
1017 ME_UpdateRepaint(editor);
1020 case EM_GETCHARFORMAT:
1023 tmp.cbSize = sizeof(tmp);
1025 ME_GetDefaultCharFormat(editor, &tmp);
1027 ME_GetSelectionCharFormat(editor, &tmp);
1028 ME_CopyToCFAny((CHARFORMAT2W *)lParam, &tmp);
1031 case EM_SETPARAFORMAT:
1032 ME_SetSelectionParaFormat(editor, (PARAFORMAT2 *)lParam);
1033 ME_UpdateRepaint(editor);
1034 ME_CommitUndo(editor);
1036 case EM_GETPARAFORMAT:
1037 ME_GetSelectionParaFormat(editor, (PARAFORMAT2 *)lParam);
1041 int nPos = editor->nScrollPosY, nEnd= editor->nTotalLength - editor->sizeWindow.cy;
1042 nPos += 8 * lParam; /* FIXME follow the original */
1047 if (nPos != editor->nScrollPosY) {
1048 ScrollWindow(hWnd, 0, editor->nScrollPosY-nPos, NULL, NULL);
1049 editor->nScrollPosY = nPos;
1050 SetScrollPos(hWnd, SB_VERT, nPos, TRUE);
1053 return TRUE; /* Should return false if a single line richedit control */
1058 ME_GetSelection(editor, &from, &to);
1059 ME_InternalDeleteText(editor, from, to-from);
1060 ME_CommitUndo(editor);
1061 ME_UpdateRepaint(editor);
1068 LPWSTR wszText = ME_ToUnicode(hWnd, (void *)lParam);
1069 size_t len = lstrlenW(wszText);
1070 TRACE("EM_REPLACESEL - %s\n", debugstr_w(wszText));
1072 ME_GetSelection(editor, &from, &to);
1073 style = ME_GetSelectionInsertStyle(editor);
1074 ME_InternalDeleteText(editor, from, to-from);
1075 ME_InsertTextFromCursor(editor, 0, wszText, len, style);
1076 ME_ReleaseStyle(style);
1077 ME_EndToUnicode(hWnd, wszText);
1078 /* drop temporary style if line end */
1079 /* FIXME question: does abc\n mean: put abc, clear temp style, put \n? (would require a change) */
1080 if (len>0 && wszText[len-1] == '\n')
1081 ME_ClearTempStyle(editor);
1083 ME_CommitUndo(editor);
1085 ME_EmptyUndoStack(editor);
1086 ME_UpdateRepaint(editor);
1091 LPWSTR wszText = ME_ToUnicode(hWnd, (void *)lParam);
1092 TRACE("WM_SETTEXT - %s\n", (char *)(wszText)); /* debugstr_w() */
1093 ME_InternalDeleteText(editor, 0, ME_GetTextLength(editor));
1094 /* uses default style! */
1095 ME_InsertTextFromCursor(editor, 0, wszText, -1, editor->pBuffer->pDefaultStyle);
1096 ME_EndToUnicode(hWnd, wszText);
1097 ME_CommitUndo(editor);
1098 ME_EmptyUndoStack(editor);
1099 ME_UpdateRepaint(editor);
1104 UINT nRTFFormat = RegisterClipboardFormatA("Rich Text Format");
1105 if (IsClipboardFormatAvailable(nRTFFormat))
1107 if (IsClipboardFormatAvailable(CF_UNICODETEXT))
1115 ME_GlobalDestStruct gds;
1116 UINT nRTFFormat = RegisterClipboardFormatA("Rich Text Format");
1119 if (IsClipboardFormatAvailable(nRTFFormat))
1120 cf = nRTFFormat, dwFormat = SF_RTF;
1121 else if (IsClipboardFormatAvailable(CF_UNICODETEXT))
1122 cf = CF_UNICODETEXT, dwFormat = SF_TEXT|SF_UNICODE;
1126 if (!OpenClipboard(hWnd))
1128 gds.hData = GetClipboardData(cf);
1130 es.dwCookie = (DWORD)&gds;
1131 es.pfnCallback = dwFormat == SF_RTF ? ME_ReadFromHGLOBALRTF : ME_ReadFromHGLOBALUnicode;
1132 SendMessageW(hWnd, EM_STREAMIN, dwFormat|SFF_SELECTION, (LPARAM)&es);
1144 ME_GlobalDestStruct gds;
1146 if (!OpenClipboard(hWnd))
1150 ME_GetSelection(editor, &from, &to);
1151 pars = ME_CountParagraphsBetween(editor, from, to);
1152 hData = GlobalAlloc(GMEM_MOVEABLE, sizeof(WCHAR)*(to-from+pars+1));
1153 data = (WCHAR *)GlobalLock(hData);
1154 ME_GetTextW(editor, data, from, to-from, TRUE);
1155 GlobalUnlock(hData);
1157 gds.hData = GlobalAlloc(GMEM_MOVEABLE, 0);
1159 es.dwCookie = (DWORD)&gds;
1160 es.pfnCallback = ME_AppendToHGLOBAL;
1161 SendMessageW(hWnd, EM_STREAMOUT, SFF_SELECTION|SF_RTF, (LPARAM)&es);
1162 GlobalReAlloc(gds.hData, gds.nLength+1, 0);
1164 SetClipboardData(CF_UNICODETEXT, hData);
1165 SetClipboardData(RegisterClipboardFormatA("Rich Text Format"), gds.hData);
1170 ME_InternalDeleteText(editor, from, to-from);
1171 ME_CommitUndo(editor);
1172 ME_UpdateRepaint(editor);
1176 case WM_GETTEXTLENGTH:
1177 return ME_GetTextLength(editor);
1180 TEXTRANGEW tr; /* W and A differ only by rng->lpstrText */
1182 tr.chrg.cpMax = wParam-1;
1183 tr.lpstrText = (WCHAR *)lParam;
1184 return RichEditANSIWndProc(hWnd, EM_GETTEXTRANGE, 0, (LPARAM)&tr);
1189 TEXTRANGEW tr; /* W and A differ only by rng->lpstrText */
1190 ME_GetSelection(editor, &from, &to);
1191 tr.chrg.cpMin = from;
1193 tr.lpstrText = (WCHAR *)lParam;
1194 return RichEditANSIWndProc(hWnd, EM_GETTEXTRANGE, 0, (LPARAM)&tr);
1196 case EM_GETTEXTRANGE:
1198 TEXTRANGEW *rng = (TEXTRANGEW *)lParam;
1199 if (IsWindowUnicode(hWnd))
1200 return ME_GetTextW(editor, rng->lpstrText, rng->chrg.cpMin, rng->chrg.cpMax-rng->chrg.cpMin, FALSE);
1203 int nLen = rng->chrg.cpMax-rng->chrg.cpMin;
1204 WCHAR *p = ALLOC_N_OBJ(WCHAR, nLen+1);
1205 int nChars = ME_GetTextW(editor, p, rng->chrg.cpMin, nLen, FALSE);
1206 /* FIXME this is a potential security hole (buffer overrun)
1207 if you know more about wchar->mbyte conversion please explain
1209 WideCharToMultiByte(CP_ACP, 0, p, nChars+1, (char *)rng->lpstrText, nLen+1, NULL, NULL);
1213 return ME_GetTextW(editor, rng->lpstrText, rng->chrg.cpMin, rng->chrg.cpMax-rng->chrg.cpMin, FALSE);
1216 ME_CommitUndo(editor);
1217 ME_WrapMarkedParagraphs(editor);
1218 ME_MoveCaret(editor);
1221 ME_DestroyEditor(editor);
1222 SetWindowLongW(hWnd, 0, 0);
1224 case WM_LBUTTONDOWN:
1226 ME_LButtonDown(editor, (short)LOWORD(lParam), (short)HIWORD(lParam));
1230 if (GetCapture() == hWnd)
1231 ME_MouseMove(editor, (short)LOWORD(lParam), (short)HIWORD(lParam));
1234 if (GetCapture() == hWnd)
1238 hDC = BeginPaint(hWnd, &ps);
1239 ME_PaintContent(editor, hDC, FALSE, &ps.rcPaint);
1240 EndPaint(hWnd, &ps);
1243 ME_ShowCaret(editor);
1244 ME_SendOldNotify(editor, EN_SETFOCUS);
1247 ME_HideCaret(editor);
1248 ME_SendOldNotify(editor, EN_KILLFOCUS);
1252 HDC hDC = (HDC)wParam;
1254 COLORREF rgbBG = ME_GetBackColor(editor);
1255 if (GetUpdateRect(hWnd,&rc,TRUE))
1257 HBRUSH hbr = CreateSolidBrush(rgbBG);
1258 FillRect(hDC, &rc, hbr);
1264 TRACE("editor wnd command = %d\n", LOWORD(wParam));
1267 if (ME_ArrowKey(editor, LOWORD(wParam), GetKeyState(VK_CONTROL)<0)) {
1268 ME_CommitUndo(editor);
1269 ME_EnsureVisible(editor, editor->pCursors[0].pRun);
1271 ME_MoveCaret(editor);
1275 if (GetKeyState(VK_CONTROL)<0)
1277 if (LOWORD(wParam)=='W')
1281 ME_GetSelectionCharFormat(editor, &chf);
1282 ME_DumpStyleToBuf(&chf, buf);
1283 MessageBoxA(NULL, buf, "Style dump", MB_OK);
1285 if (LOWORD(wParam)=='Q')
1287 ME_CheckCharOffsets(editor);
1294 if (GetWindowLongW(editor->hWnd, GWL_STYLE) & ES_READONLY) {
1295 MessageBeep(MB_ICONERROR);
1296 return 0; /* FIXME really 0 ? */
1298 wstr = LOWORD(wParam);
1299 if (((unsigned)wstr)>=' ' || wstr=='\r' || wstr=='\t') {
1300 /* FIXME maybe it would make sense to call EM_REPLACESEL instead ? */
1301 ME_Style *style = ME_GetInsertStyle(editor, 0);
1302 ME_SaveTempStyle(editor);
1303 ME_InsertTextFromCursor(editor, 0, &wstr, 1, style);
1304 ME_ReleaseStyle(style);
1305 ME_CommitUndo(editor);
1306 ME_UpdateRepaint(editor);
1312 int nPos = editor->nScrollPosY;
1313 si.cbSize = sizeof(SCROLLINFO);
1314 si.fMask = SIF_PAGE|SIF_POS|SIF_RANGE|SIF_TRACKPOS;
1315 GetScrollInfo(hWnd, SB_VERT, &si);
1316 switch(LOWORD(wParam)) {
1318 nPos -= 24; /* FIXME follow the original */
1319 if (nPos<0) nPos = 0;
1323 int nEnd = editor->nTotalLength - editor->sizeWindow.cy;
1324 nPos += 24; /* FIXME follow the original */
1325 if (nPos>=nEnd) nPos = nEnd;
1329 nPos -= editor->sizeWindow.cy;
1330 if (nPos<0) nPos = 0;
1333 nPos += editor->sizeWindow.cy;
1334 if (nPos>=editor->nTotalLength) nPos = editor->nTotalLength-1;
1337 case SB_THUMBPOSITION:
1338 nPos = si.nTrackPos;
1341 if (nPos != editor->nScrollPosY) {
1342 ScrollWindow(hWnd, 0, editor->nScrollPosY-nPos, NULL, NULL);
1343 editor->nScrollPosY = nPos;
1344 SetScrollPos(hWnd, SB_VERT, nPos, TRUE);
1351 int gcWheelDelta = 0, nPos = editor->nScrollPosY, nEnd = editor->nTotalLength - editor->sizeWindow.cy;
1352 UINT pulScrollLines;
1353 SystemParametersInfoW(SPI_GETWHEELSCROLLLINES,0, &pulScrollLines, 0);
1354 gcWheelDelta -= GET_WHEEL_DELTA_WPARAM(wParam);
1355 if (abs(gcWheelDelta) >= WHEEL_DELTA && pulScrollLines)
1356 nPos += pulScrollLines * (gcWheelDelta / WHEEL_DELTA) * 8; /* FIXME follow the original */
1361 if (nPos != editor->nScrollPosY) {
1362 ScrollWindow(hWnd, 0, editor->nScrollPosY-nPos, NULL, NULL);
1363 editor->nScrollPosY = nPos;
1364 SetScrollPos(hWnd, SB_VERT, nPos, TRUE);
1371 ME_MarkAllForWrapping(editor);
1372 ME_WrapMarkedParagraphs(editor);
1373 ME_UpdateScrollBar(editor);
1375 return DefWindowProcW(hWnd, msg, wParam, lParam);
1377 case EM_GETOLEINTERFACE:
1379 LPVOID *ppvObj = (LPVOID*) lParam;
1380 FIXME("EM_GETOLEINTERFACE %p: stub\n", ppvObj);
1381 return CreateIRichEditOle(ppvObj);
1385 return DefWindowProcW(hWnd, msg, wParam, lParam);
1390 /******************************************************************
1391 * RichEdit10ANSIWndProc (RICHED20.9)
1393 LRESULT WINAPI RichEdit10ANSIWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
1395 /* FIXME: this is NOT the same as 2.0 version */
1396 return RichEditANSIWndProc(hWnd, msg, wParam, lParam);
1399 void ME_SendOldNotify(ME_TextEditor *editor, int nCode)
1401 HWND hWnd = editor->hWnd;
1402 SendMessageA(GetParent(hWnd), WM_COMMAND, (nCode<<16)|GetWindowLongW(hWnd, GWLP_ID), (LPARAM)hWnd);
1405 int ME_CountParagraphsBetween(ME_TextEditor *editor, int from, int to)
1407 ME_DisplayItem *item = ME_FindItemFwd(editor->pBuffer->pFirst, diParagraph);
1410 while(item && item->member.para.next_para->member.para.nCharOfs <= from)
1411 item = item->member.para.next_para;
1414 while(item && item->member.para.next_para->member.para.nCharOfs <= to) {
1415 item = item->member.para.next_para;
1422 int ME_GetTextW(ME_TextEditor *editor, WCHAR *buffer, int nStart, int nChars, int bCRLF)
1424 ME_DisplayItem *item = ME_FindItemAtOffset(editor, diRun, nStart, &nStart);
1435 int nLen = ME_StrLen(item->member.run.strText) - nStart;
1438 CopyMemory(buffer, item->member.run.strText->szData + nStart, sizeof(WCHAR)*nLen);
1445 item = ME_FindItemFwd(item, diRun);
1448 while(nChars && item)
1450 int nLen = ME_StrLen(item->member.run.strText);
1454 if (item->member.run.nFlags & MERF_ENDPARA)
1464 CopyMemory(buffer, item->member.run.strText->szData, sizeof(WCHAR)*nLen);
1474 item = ME_FindItemFwd(item, diRun);
1480 void ME_RegisterEditorClass(HINSTANCE hInstance)
1486 wcW.style = CS_HREDRAW | CS_VREDRAW | CS_GLOBALCLASS;
1487 wcW.lpfnWndProc = RichEditANSIWndProc;
1490 wcW.hInstance = NULL; /* hInstance would register DLL-local class */
1492 wcW.hCursor = LoadCursorW(NULL, MAKEINTRESOURCEW(IDC_IBEAM));
1493 wcW.hbrBackground = (HBRUSH)GetStockObject(NULL_BRUSH);
1494 wcW.lpszMenuName = NULL;
1495 wcW.lpszClassName = wszClassName;
1496 bResult = RegisterClassW(&wcW);
1498 wcW.lpszClassName = wszClassName50;
1499 bResult = RegisterClassW(&wcW);
1502 wcA.style = CS_HREDRAW | CS_VREDRAW | CS_GLOBALCLASS;
1503 wcA.lpfnWndProc = RichEditANSIWndProc;
1506 wcA.hInstance = NULL; /* hInstance would register DLL-local class */
1508 wcA.hCursor = LoadCursorW(NULL, MAKEINTRESOURCEW(IDC_IBEAM));
1509 wcA.hbrBackground = (HBRUSH)GetStockObject(NULL_BRUSH);
1510 wcA.lpszMenuName = NULL;
1511 wcA.lpszClassName = "RichEdit20A";
1512 bResult = RegisterClassA(&wcA);
1514 wcA.lpszClassName = "RichEdit50A";
1515 bResult = RegisterClassA(&wcA);
1518 /******************************************************************
1519 * CreateTextServices (RICHED20.4)
1521 * FIXME should be ITextHost instead of void*
1523 HRESULT WINAPI CreateTextServices(IUnknown *punkOuter, void *pITextHost,
1527 /* FIXME should support aggregation */
1529 return CLASS_E_NOAGGREGATION;
1531 return E_FAIL; /* E_NOTIMPL isn't allowed by MSDN */
1534 /******************************************************************
1535 * REExtendedRegisterClass (RICHED20.8)
1537 * FIXME undocumented
1539 void WINAPI REExtendedRegisterClass(void)