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_GETCHARFORMAT (partly done)
43 - EM_GETFIRSTVISIBLELINE
44 - EM_GETIMECOLOR 1.0asian
45 - EM_GETIMECOMPMODE 2.0
46 - EM_GETIMEOPTIONS 1.0asian
48 - EM_GETLANGOPTIONS 2.0
51 - EM_GETLINECOUNT returns number of rows, not of paragraphs
56 - EM_GETPUNCTUATION 1.0asian
60 + EM_GETSELTEXT (ANSI&Unicode)
63 ? + EM_GETTEXTRANGE (ANSI&Unicode)
66 - EM_GETWORDBREAKPROCEX
67 - EM_GETWORDWRAPMODE 1.0asian
78 + EM_REPLACESEL (proper style?) ANSI&Unicode
83 - EM_SETCHARFORMAT (partly done, no ANSI)
84 + EM_SETEVENTMASK (few notifications supported)
85 - EM_SETIMECOLOR 1.0asian
86 - EM_SETIMEOPTIONS 1.0asian
87 - EM_SETLANGOPTIONS 2.0
89 + EM_SETMODIFY (not sure if implementation is correct)
93 - EM_SETPUNCTUATION 1.0asian
94 + EM_SETREADONLY no beep on modification attempt
96 - EM_SETRECTNP (EM_SETRECT without repainting) - not supported in RICHEDIT
100 - EM_SETUNDOLIMIT 2.0
101 - EM_SETWORDBREAKPROC
102 - EM_SETWORDBREAKPROCEX
103 - EM_SETWORDWRAPMODE 1.0asian
104 - EM_STOPGROUPTYPING 2.0
112 + WM_GETDLGCODE (the current implementation is incomplete)
113 + WM_GETTEXT (ANSI&Unicode)
114 + WM_GETTEXTLENGTH (ANSI version sucks)
117 + WM_SETTEXT (resets undo stack !) (proper style?) ANSI&Unicode
119 - WM_STYLECHANGED (things like read-only flag)
124 * EN_CHANGE (sent from the wrong place)
141 * EN_UPDATE (sent from the wrong place)
149 - ES_DISABLENOSCROLL (scrollbar is always visible)
150 - ES_EX_NOCALLOLEINIT
152 - ES_MULTILINE (currently single line controls aren't supported)
154 - ES_READONLY (I'm not sure if beeping is the proper behaviour)
160 - ES_WANTRETURN (don't know how to do WM_GETDLGCODE part)
167 * RICHED20 TODO (incomplete):
170 * - add remaining CHARFORMAT/PARAFORMAT fields
171 * - right/center align should strip spaces from the beginning
172 * - more advanced navigation (Ctrl-arrows, PageUp/PageDn)
174 * - pictures (not just smiling faces that lack API support ;-) )
176 * - calculate heights of pictures (half-done)
177 * - EM_STREAMIN/EM_STREAMOUT
178 * - horizontal scrolling (not even started)
179 * - fix scrollbars and refresh (it sucks bigtime)
180 * - hysteresis during wrapping (related to scrollbars appearing/disappearing)
181 * - should remember maximum row width for wrap hysteresis
183 * - how to implement EM_FORMATRANGE and EM_DISPLAYBAND ? (Mission Impossible)
184 * - italic cursor with italic fonts
186 * - most notifications aren't sent at all (the most important ones are)
187 * - when should EN_SELCHANGE be sent after text change ? (before/after EN_UPDATE?)
188 * - WM_SETTEXT may use wrong style (but I'm 80% sure it's OK)
189 * - EM_GETCHARFORMAT with SCF_SELECTION may not behave 100% like in original (but very close)
190 * - bugs in end-of-text handling (the gray bar) could get me in jail ;-)
191 * - determination of row size
192 * - end-of-paragraph marks should be of reasonable size
194 * Bugs that are probably fixed, but not so easy to verify:
195 * - EN_UPDATE/EN_CHANGE are handled very incorrectly (should be OK now)
196 * - undo for ME_JoinParagraphs doesn't store paragraph format ? (it does)
197 * - check/fix artificial EOL logic (bCursorAtEnd, hardly logical)
198 * - caret shouldn't be displayed when selection isn't empty
199 * - check refcounting in style management functions (looks perfect now, but no bugs is suspicious)
200 * - undo for setting default format (done, might be buggy)
201 * - styles might be not released properly (looks like they work like charm, but who knows?
209 #define NO_SHLWAPI_STREAM
214 WINE_DEFAULT_DEBUG_CHANNEL(richedit);
217 HANDLE me_heap = NULL;
219 ME_TextBuffer *ME_MakeText() {
221 ME_TextBuffer *buf = ALLOC_OBJ(ME_TextBuffer);
223 ME_DisplayItem *p1 = ME_MakeDI(diTextStart);
224 ME_DisplayItem *p2 = ME_MakeDI(diTextEnd);
230 p1->member.para.next_para = p2;
231 p2->member.para.prev_para = p1;
232 p2->member.para.nCharOfs = 0;
236 buf->pCharStyle = NULL;
241 #define STREAMIN_BUFFER_SIZE 4096 /* M$ compatibility */
243 static LRESULT ME_StreamInText(ME_TextEditor *editor, DWORD dwFormat, EDITSTREAM *stream, ME_Style *style)
245 BYTE buffer[STREAMIN_BUFFER_SIZE+1];
246 WCHAR wszText[STREAMIN_BUFFER_SIZE+1];
248 TRACE("%08lx %p\n", dwFormat, stream);
252 long nDataSize = 0, nWideChars = 0;
253 stream->dwError = stream->pfnCallback(stream->dwCookie,
254 (dwFormat & SF_UNICODE ? (BYTE *)wszText : buffer),
255 STREAMIN_BUFFER_SIZE, &nDataSize);
262 if (!(dwFormat & SF_UNICODE))
264 /* FIXME? this is doomed to fail on true MBCS like UTF-8, luckily they're unlikely to be used as CP_ACP */
265 nWideChars = MultiByteToWideChar(CP_ACP, 0, buffer, nDataSize, wszText, STREAMIN_BUFFER_SIZE);
268 nWideChars = nDataSize>>1;
269 ME_InsertTextFromCursor(editor, 0, wszText, nWideChars, style);
270 if (nDataSize<STREAMIN_BUFFER_SIZE)
273 ME_CommitUndo(editor);
278 void ME_RTFCharAttrHook(RTF_Info *info)
281 fmt.cbSize = sizeof(fmt);
284 switch(info->rtfMinor)
287 /* FIXME add more flags once they're implemented */
288 fmt.dwMask = CFM_BOLD | CFM_ITALIC | CFM_UNDERLINE | CFM_STRIKEOUT | CFM_COLOR | CFM_BACKCOLOR | CFM_SIZE | CFM_WEIGHT;
289 fmt.dwEffects = CFE_AUTOCOLOR | CFE_AUTOBACKCOLOR;
290 fmt.yHeight = 12*20; /* 12pt */
294 fmt.dwMask = CFM_BOLD;
295 fmt.dwEffects = info->rtfParam ? fmt.dwMask : 0;
298 fmt.dwMask = CFM_ITALIC;
299 fmt.dwEffects = info->rtfParam ? fmt.dwMask : 0;
302 fmt.dwMask = CFM_UNDERLINE;
303 fmt.dwEffects = info->rtfParam ? fmt.dwMask : 0;
306 fmt.dwMask = CFM_STRIKEOUT;
307 fmt.dwEffects = info->rtfParam ? fmt.dwMask : 0;
310 fmt.dwMask = CFM_BACKCOLOR;
312 if (info->rtfParam == 0)
313 fmt.dwEffects = CFE_AUTOBACKCOLOR;
314 else if (info->rtfParam != rtfNoParam)
316 RTFColor *c = RTFGetColor(info, info->rtfParam);
317 fmt.crTextColor = (c->rtfCBlue<<16)|(c->rtfCGreen<<8)|(c->rtfCRed);
321 fmt.dwMask = CFM_COLOR;
323 if (info->rtfParam == 0)
324 fmt.dwEffects = CFE_AUTOCOLOR;
325 else if (info->rtfParam != rtfNoParam)
327 RTFColor *c = RTFGetColor(info, info->rtfParam);
328 fmt.crTextColor = (c->rtfCBlue<<16)|(c->rtfCGreen<<8)|(c->rtfCRed);
332 if (info->rtfParam != rtfNoParam)
334 RTFFont *f = RTFGetFont(info, info->rtfParam);
337 strncpy(fmt.szFaceName, f->rtfFName, sizeof(fmt.szFaceName)-1);
338 fmt.szFaceName[sizeof(fmt.szFaceName)-1] = '\0';
339 fmt.dwMask = CFM_FACE;
344 fmt.dwMask = CFM_SIZE;
345 if (info->rtfParam != rtfNoParam)
346 fmt.yHeight = info->rtfParam*10;
350 RTFFlushOutputBuffer(info);
351 SendMessageW(info->hwndEdit, EM_SETCHARFORMAT, SCF_SELECTION, (LPARAM)&fmt);
355 void ME_RTFParAttrHook(RTF_Info *info)
358 fmt.cbSize = sizeof(fmt);
361 switch(info->rtfMinor)
363 case rtfParDef: /* I'm not 100% sure what does it do, but I guess it restores default paragraph attributes */
364 fmt.dwMask = PFM_ALIGNMENT;
365 fmt.wAlignment = PFA_LEFT;
369 fmt.dwMask = PFM_ALIGNMENT;
370 fmt.wAlignment = PFA_LEFT;
373 fmt.dwMask = PFM_ALIGNMENT;
374 fmt.wAlignment = PFA_RIGHT;
377 fmt.dwMask = PFM_ALIGNMENT;
378 fmt.wAlignment = PFA_CENTER;
382 RTFFlushOutputBuffer(info);
383 SendMessageW(info->hwndEdit, EM_SETPARAFORMAT, 0, (LPARAM)&fmt);
387 void ME_RTFReadHook(RTF_Info *info) {
388 switch(info->rtfClass)
391 switch(info->rtfMajor)
394 if (info->formatStackTop < maxCharFormatStack) {
395 info->formatStack[info->formatStackTop].cbSize = sizeof(info->formatStack[0]);
396 SendMessageW(info->hwndEdit, EM_GETCHARFORMAT, 1, (LPARAM)&info->formatStack[info->formatStackTop]);
398 info->formatStackTop++;
401 RTFFlushOutputBuffer(info);
402 info->formatStackTop--;
403 if (info->formatStackTop < maxCharFormatStack) {
404 SendMessageW(info->hwndEdit, EM_SETCHARFORMAT, SCF_SELECTION, (LPARAM)&info->formatStack[info->formatStackTop]);
410 switch(info->rtfMajor)
413 ME_RTFCharAttrHook(info);
416 ME_RTFParAttrHook(info);
423 static LRESULT ME_StreamIn(ME_TextEditor *editor, DWORD format, EDITSTREAM *stream)
427 int from, to, to2, nUndoMode;
430 TRACE("%p %p\n", stream, editor->hWnd);
432 ME_GetSelection(editor, &from, &to);
433 if (format & SFF_SELECTION) {
434 style = ME_GetSelectionInsertStyle(editor);
436 ME_InternalDeleteText(editor, from, to-from);
439 style = editor->pBuffer->pDefaultStyle;
440 ME_AddRefStyle(style);
441 SendMessageA(editor->hWnd, EM_SETSEL, 0, 0);
442 ME_InternalDeleteText(editor, 0, ME_GetTextLength(editor));
444 ME_ClearTempStyle(editor);
447 nUndoMode = editor->nUndoMode;
448 editor->nUndoMode = umIgnore;
449 if (format & SF_RTF) {
450 /* setup the RTF parser */
451 memset(&parser, 0, sizeof parser);
452 RTFSetEditStream(&parser, stream);
453 parser.rtfFormat = format&(SF_TEXT|SF_RTF);
454 parser.hwndEdit = editor->hWnd;
457 RTFSetReadHook(&parser, ME_RTFReadHook);
462 RTFFlushOutputBuffer(&parser);
464 else if (format & SF_TEXT)
465 ME_StreamInText(editor, format, stream, style);
467 ERR("EM_STREAMIN without SF_TEXT or SF_RTF\n");
468 ME_GetSelection(editor, &to, &to2);
469 /* put the cursor at the top */
470 if (!(format & SFF_SELECTION))
471 SendMessageA(editor->hWnd, EM_SETSEL, 0, 0);
474 /* FIXME where to put cursor now ? */
477 editor->nUndoMode = nUndoMode;
478 pUI = ME_AddUndoItem(editor, diUndoDeleteRun, NULL);
479 TRACE("from %d to %d\n", from, to);
480 if (pUI && from < to)
485 ME_CommitUndo(editor);
486 ME_ReleaseStyle(style);
493 ME_FindItemAtOffset(ME_TextEditor *editor, ME_DIType nItemType, int nOffset, int *nItemOffset)
495 ME_DisplayItem *item = ME_FindItemFwd(editor->pBuffer->pFirst, diParagraph);
497 while (item && item->member.para.next_para->member.para.nCharOfs <= nOffset)
498 item = ME_FindItemFwd(item, diParagraph);
503 nOffset -= item->member.para.nCharOfs;
504 if (nItemType == diParagraph) {
506 *nItemOffset = nOffset;
511 item = ME_FindItemFwd(item, diRun);
512 } while (item && (item->member.run.nCharOfs + ME_StrLen(item->member.run.strText) <= nOffset));
514 nOffset -= item->member.run.nCharOfs;
516 *nItemOffset = nOffset;
522 ME_TextEditor *ME_MakeEditor(HWND hWnd) {
523 ME_TextEditor *ed = ALLOC_OBJ(ME_TextEditor);
527 ed->pBuffer = ME_MakeText();
529 ME_MakeFirstParagraph(hDC, ed->pBuffer);
530 ReleaseDC(hWnd, hDC);
531 ed->bCaretShown = FALSE;
533 ed->pCursors = ALLOC_N_OBJ(ME_Cursor, ed->nCursors);
534 ed->pCursors[0].pRun = ME_FindItemFwd(ed->pBuffer->pFirst, diRun);
535 ed->pCursors[0].nOffset = 0;
536 ed->pCursors[1].pRun = ME_FindItemFwd(ed->pBuffer->pFirst, diRun);
537 ed->pCursors[1].nOffset = 0;
538 ed->nLastTotalLength = ed->nTotalLength = 0;
542 ed->rgbBackColor = -1;
543 ed->bCaretAtEnd = FALSE;
546 ed->pUndoStack = ed->pRedoStack = NULL;
547 ed->nUndoMode = umAddToUndo;
549 ed->nLastSelStart = ed->nLastSelEnd = 0;
550 for (i=0; i<HFONT_CACHE_SIZE; i++)
552 ed->pFontCache[i].nRefs = 0;
553 ed->pFontCache[i].nAge = 0;
554 ed->pFontCache[i].hFont = NULL;
556 ME_CheckCharOffsets(ed);
560 typedef struct tagME_GlobalDestStruct
564 } ME_GlobalDestStruct;
566 static DWORD CALLBACK ME_AppendToHGLOBAL(DWORD_PTR dwCookie, LPBYTE lpBuff, LONG cb, LONG *pcb)
568 ME_GlobalDestStruct *pData = (ME_GlobalDestStruct *)dwCookie;
572 nMaxSize = GlobalSize(pData->hData);
573 if (pData->nLength+cb+1 >= cb)
575 /* round up to 2^17 */
576 int nNewSize = (((nMaxSize+cb+1)|0x1FFFF)+1) & 0xFFFE0000;
577 pData->hData = GlobalReAlloc(pData->hData, nNewSize, 0);
579 pDest = (BYTE *)GlobalLock(pData->hData);
580 memcpy(pDest + pData->nLength, lpBuff, cb);
581 pData->nLength += cb;
582 pDest[pData->nLength] = '\0';
583 GlobalUnlock(pData->hData);
589 static DWORD CALLBACK ME_ReadFromHGLOBALUnicode(DWORD_PTR dwCookie, LPBYTE lpBuff, LONG cb, LONG *pcb)
591 ME_GlobalDestStruct *pData = (ME_GlobalDestStruct *)dwCookie;
596 pDest = (WORD *)lpBuff;
597 pSrc = (WORD *)GlobalLock(pData->hData);
598 for (i = 0; i<cb && pSrc[pData->nLength+i]; i++) {
599 pDest[i] = pSrc[pData->nLength+i];
603 GlobalUnlock(pData->hData);
607 static DWORD CALLBACK ME_ReadFromHGLOBALRTF(DWORD_PTR dwCookie, LPBYTE lpBuff, LONG cb, LONG *pcb)
609 ME_GlobalDestStruct *pData = (ME_GlobalDestStruct *)dwCookie;
614 pSrc = (BYTE *)GlobalLock(pData->hData);
615 for (i = 0; i<cb && pSrc[pData->nLength+i]; i++) {
616 pDest[i] = pSrc[pData->nLength+i];
620 GlobalUnlock(pData->hData);
624 void ME_DestroyEditor(ME_TextEditor *editor)
626 ME_DisplayItem *pFirst = editor->pBuffer->pFirst;
627 ME_DisplayItem *p = pFirst, *pNext = NULL;
630 ME_ClearTempStyle(editor);
631 ME_EmptyUndoStack(editor);
634 ME_DestroyDisplayItem(p);
637 ME_ReleaseStyle(editor->pBuffer->pDefaultStyle);
638 for (i=0; i<HFONT_CACHE_SIZE; i++)
640 if (editor->pFontCache[i].hFont)
641 DeleteObject(editor->pFontCache[i].hFont);
647 #define UNSUPPORTED_MSG(e) \
649 FIXME(#e ": stub\n"); \
650 return DefWindowProcW(hWnd, msg, wParam, lParam);
652 /******************************************************************
653 * RichEditANSIWndProc (RICHED20.10)
655 LRESULT WINAPI RichEditANSIWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam) {
659 ME_TextEditor *editor = (ME_TextEditor *)GetWindowLongW(hWnd, 0);
660 TRACE("msg %d %08x %08lx\n", msg, wParam, lParam);
663 UNSUPPORTED_MSG(EM_AUTOURLDETECT)
664 UNSUPPORTED_MSG(EM_CANPASTE)
665 UNSUPPORTED_MSG(EM_CHARFROMPOS)
666 UNSUPPORTED_MSG(EM_DISPLAYBAND)
667 UNSUPPORTED_MSG(EM_EXLIMITTEXT)
668 UNSUPPORTED_MSG(EM_EXLINEFROMCHAR)
669 UNSUPPORTED_MSG(EM_FINDTEXT)
670 UNSUPPORTED_MSG(EM_FINDTEXTEX)
671 UNSUPPORTED_MSG(EM_FINDWORDBREAK)
672 UNSUPPORTED_MSG(EM_FMTLINES)
673 UNSUPPORTED_MSG(EM_FORMATRANGE)
674 UNSUPPORTED_MSG(EM_GETFIRSTVISIBLELINE)
675 UNSUPPORTED_MSG(EM_GETIMECOMPMODE)
676 /* UNSUPPORTED_MSG(EM_GETIMESTATUS) missing in Wine headers */
677 UNSUPPORTED_MSG(EM_GETLANGOPTIONS)
678 UNSUPPORTED_MSG(EM_GETLIMITTEXT)
679 UNSUPPORTED_MSG(EM_GETLINE)
680 UNSUPPORTED_MSG(EM_GETLINECOUNT)
681 /* UNSUPPORTED_MSG(EM_GETOLEINTERFACE) separate stub */
682 UNSUPPORTED_MSG(EM_GETOPTIONS)
683 UNSUPPORTED_MSG(EM_GETRECT)
684 UNSUPPORTED_MSG(EM_GETREDONAME)
685 UNSUPPORTED_MSG(EM_GETTEXTMODE)
686 UNSUPPORTED_MSG(EM_GETUNDONAME)
687 UNSUPPORTED_MSG(EM_GETWORDBREAKPROC)
688 UNSUPPORTED_MSG(EM_GETWORDBREAKPROCEX)
689 UNSUPPORTED_MSG(EM_HIDESELECTION)
690 UNSUPPORTED_MSG(EM_LIMITTEXT) /* also known as EM_SETLIMITTEXT */
691 UNSUPPORTED_MSG(EM_LINEFROMCHAR)
692 UNSUPPORTED_MSG(EM_LINEINDEX)
693 UNSUPPORTED_MSG(EM_LINELENGTH)
694 UNSUPPORTED_MSG(EM_LINESCROLL)
695 UNSUPPORTED_MSG(EM_PASTESPECIAL)
696 /* UNSUPPORTED_MSG(EM_POSFROMCHARS) missing in Wine headers */
697 UNSUPPORTED_MSG(EM_REQUESTRESIZE)
698 UNSUPPORTED_MSG(EM_SCROLL)
699 UNSUPPORTED_MSG(EM_SCROLLCARET)
700 UNSUPPORTED_MSG(EM_SELECTIONTYPE)
701 UNSUPPORTED_MSG(EM_SETLANGOPTIONS)
702 UNSUPPORTED_MSG(EM_SETOLECALLBACK)
703 UNSUPPORTED_MSG(EM_SETOPTIONS)
704 UNSUPPORTED_MSG(EM_SETRECT)
705 UNSUPPORTED_MSG(EM_SETRECTNP)
706 UNSUPPORTED_MSG(EM_SETTARGETDEVICE)
707 UNSUPPORTED_MSG(EM_SETTEXTMODE)
708 UNSUPPORTED_MSG(EM_SETUNDOLIMIT)
709 UNSUPPORTED_MSG(EM_SETWORDBREAKPROC)
710 UNSUPPORTED_MSG(EM_SETWORDBREAKPROCEX)
711 UNSUPPORTED_MSG(WM_SETFONT)
712 UNSUPPORTED_MSG(WM_STYLECHANGING)
713 UNSUPPORTED_MSG(WM_STYLECHANGED)
714 /* UNSUPPORTED_MSG(WM_UNICHAR) FIXME missing in Wine headers */
716 /* Messages specific to Richedit controls */
719 return ME_StreamIn(editor, wParam, (EDITSTREAM*)lParam);
721 return ME_StreamOut(editor, wParam, (EDITSTREAM *)lParam);
724 UINT code = DLGC_WANTCHARS|DLGC_WANTARROWS;
725 if (GetWindowLongW(hWnd, GWL_STYLE)&ES_WANTRETURN)
726 code |= 0; /* FIXME what can we do here ? ask for messages and censor them ? */
731 CREATESTRUCTW *pcs = (CREATESTRUCTW *)lParam;
732 editor = ME_MakeEditor(hWnd);
733 SetWindowLongW(hWnd, 0, (long)editor);
734 pcs = 0; /* ignore */
737 case EM_EMPTYUNDOBUFFER:
738 ME_EmptyUndoStack(editor);
742 ME_GetSelection(editor, (int *)wParam, (int *)lParam);
743 if (!((wParam|lParam) & 0xFFFF0000))
744 return (lParam<<16)|wParam;
749 CHARRANGE *pRange = (CHARRANGE *)lParam;
750 ME_GetSelection(editor, (int *)&pRange->cpMin, (int *)&pRange->cpMax);
754 return editor->pUndoStack != NULL;
756 return editor->pRedoStack != NULL;
765 ME_SetSelection(editor, wParam, lParam);
767 ME_SendSelChange(editor);
772 CHARRANGE *pRange = (CHARRANGE *)lParam;
773 ME_SetSelection(editor, pRange->cpMin, pRange->cpMax);
776 ME_SendSelChange(editor);
779 case EM_SETBKGNDCOLOR:
781 LRESULT lColor = ME_GetBackColor(editor);
783 editor->rgbBackColor = -1;
785 editor->rgbBackColor = lParam;
786 InvalidateRect(hWnd, NULL, TRUE);
791 return editor->nModifyStep == 0 ? 0 : 1;
795 editor->nModifyStep = 0x80000000;
797 editor->nModifyStep = 0;
803 long nStyle = GetWindowLongW(hWnd, GWL_STYLE);
805 nStyle |= ES_READONLY;
807 nStyle &= ~ES_READONLY;
808 SetWindowLongW(hWnd, GWL_STYLE, nStyle);
812 case EM_SETEVENTMASK:
813 editor->nEventMask = lParam;
815 case EM_GETEVENTMASK:
816 return editor->nEventMask;
817 case EM_SETCHARFORMAT:
819 CHARFORMAT2W buf, *p;
820 p = ME_ToCF2W(&buf, (CHARFORMAT2W *)lParam);
822 ME_SetDefaultCharFormat(editor, p);
823 else if (wParam == (SCF_WORD | SCF_SELECTION))
824 FIXME("word selection not supported\n");
825 else if (wParam == SCF_ALL)
826 ME_SetCharFormat(editor, 0, ME_GetTextLength(editor), p);
828 ME_SetSelectionCharFormat(editor, p);
829 ME_CommitUndo(editor);
830 ME_UpdateRepaint(editor);
833 case EM_GETCHARFORMAT:
836 tmp.cbSize = sizeof(tmp);
838 ME_GetDefaultCharFormat(editor, &tmp);
840 ME_GetSelectionCharFormat(editor, &tmp);
841 ME_CopyToCFAny((CHARFORMAT2W *)lParam, &tmp);
844 case EM_SETPARAFORMAT:
845 ME_SetSelectionParaFormat(editor, (PARAFORMAT2 *)lParam);
846 ME_CommitUndo(editor);
848 case EM_GETPARAFORMAT:
849 ME_GetSelectionParaFormat(editor, (PARAFORMAT2 *)lParam);
854 ME_GetSelection(editor, &from, &to);
855 ME_InternalDeleteText(editor, from, to-from);
856 ME_CommitUndo(editor);
857 ME_UpdateRepaint(editor);
864 LPWSTR wszText = ME_ToUnicode(hWnd, (void *)lParam);
865 size_t len = lstrlenW(wszText);
866 TRACE("EM_REPLACESEL - %s\n", debugstr_w(wszText));
868 ME_GetSelection(editor, &from, &to);
869 style = ME_GetSelectionInsertStyle(editor);
870 ME_InternalDeleteText(editor, from, to-from);
871 ME_InsertTextFromCursor(editor, 0, wszText, len, style);
872 ME_ReleaseStyle(style);
873 ME_EndToUnicode(hWnd, wszText);
874 /* drop temporary style if line end */
875 /* FIXME question: does abc\n mean: put abc, clear temp style, put \n? (would require a change) */
876 if (len>0 && wszText[len-1] == '\n')
877 ME_ClearTempStyle(editor);
879 ME_CommitUndo(editor);
881 ME_EmptyUndoStack(editor);
882 ME_UpdateRepaint(editor);
887 LPWSTR wszText = ME_ToUnicode(hWnd, (void *)lParam);
888 TRACE("WM_SETTEXT - %s\n", (char *)(wszText)); /* debugstr_w() */
889 ME_InternalDeleteText(editor, 0, ME_GetTextLength(editor));
890 /* uses default style! */
891 ME_InsertTextFromCursor(editor, 0, wszText, -1, editor->pBuffer->pDefaultStyle);
892 ME_EndToUnicode(hWnd, wszText);
893 ME_CommitUndo(editor);
894 ME_EmptyUndoStack(editor);
895 ME_UpdateRepaint(editor);
902 ME_GlobalDestStruct gds;
903 UINT nRTFFormat = RegisterClipboardFormatA("Rich Text Format");
906 if (!OpenClipboard(hWnd))
908 if (IsClipboardFormatAvailable(nRTFFormat))
909 cf = nRTFFormat, dwFormat = SF_RTF;
910 else if (IsClipboardFormatAvailable(CF_UNICODETEXT))
911 cf = CF_UNICODETEXT, dwFormat = SF_TEXT|SF_UNICODE;
915 gds.hData = GetClipboardData(cf);
917 es.dwCookie = (DWORD)&gds;
918 es.pfnCallback = dwFormat == SF_RTF ? ME_ReadFromHGLOBALRTF : ME_ReadFromHGLOBALUnicode;
919 SendMessageW(hWnd, EM_STREAMIN, dwFormat|SFF_SELECTION, (LPARAM)&es);
931 ME_GlobalDestStruct gds;
933 if (!OpenClipboard(hWnd))
937 ME_GetSelection(editor, &from, &to);
938 pars = ME_CountParagraphsBetween(editor, from, to);
939 hData = GlobalAlloc(GMEM_MOVEABLE, sizeof(WCHAR)*(to-from+pars+1));
940 data = (WCHAR *)GlobalLock(hData);
941 ME_GetTextW(editor, data, from, to-from, TRUE);
944 gds.hData = GlobalAlloc(GMEM_MOVEABLE, 0);
946 es.dwCookie = (DWORD)&gds;
947 es.pfnCallback = ME_AppendToHGLOBAL;
948 SendMessageW(hWnd, EM_STREAMOUT, SFF_SELECTION|SF_RTF, (LPARAM)&es);
949 GlobalReAlloc(gds.hData, gds.nLength+1, 0);
951 SetClipboardData(CF_UNICODETEXT, hData);
952 SetClipboardData(RegisterClipboardFormatA("Rich Text Format"), gds.hData);
957 ME_InternalDeleteText(editor, from, to-from);
958 ME_CommitUndo(editor);
959 ME_UpdateRepaint(editor);
963 case WM_GETTEXTLENGTH:
964 return ME_GetTextLength(editor);
967 TEXTRANGEW tr; /* W and A differ only by rng->lpstrText */
969 tr.chrg.cpMax = wParam-1;
970 tr.lpstrText = (WCHAR *)lParam;
971 return RichEditANSIWndProc(hWnd, EM_GETTEXTRANGE, 0, (LPARAM)&tr);
976 TEXTRANGEW tr; /* W and A differ only by rng->lpstrText */
977 ME_GetSelection(editor, &from, &to);
978 tr.chrg.cpMin = from;
980 tr.lpstrText = (WCHAR *)lParam;
981 return RichEditANSIWndProc(hWnd, EM_GETTEXTRANGE, 0, (LPARAM)&tr);
983 case EM_GETTEXTRANGE:
985 TEXTRANGEW *rng = (TEXTRANGEW *)lParam;
986 if (IsWindowUnicode(hWnd))
987 return ME_GetTextW(editor, rng->lpstrText, rng->chrg.cpMin, rng->chrg.cpMax-rng->chrg.cpMin, FALSE);
990 int nLen = rng->chrg.cpMax-rng->chrg.cpMin;
991 WCHAR *p = ALLOC_N_OBJ(WCHAR, nLen+1);
992 int nChars = ME_GetTextW(editor, p, rng->chrg.cpMin, nLen, FALSE);
993 /* FIXME this is a potential security hole (buffer overrun)
994 if you know more about wchar->mbyte conversion please explain
996 WideCharToMultiByte(CP_ACP, 0, p, nChars+1, (char *)rng->lpstrText, nLen+1, NULL, NULL);
1000 return ME_GetTextW(editor, rng->lpstrText, rng->chrg.cpMin, rng->chrg.cpMax-rng->chrg.cpMin, FALSE);
1003 ME_CommitUndo(editor);
1004 ME_WrapMarkedParagraphs(editor);
1005 ME_MoveCaret(editor);
1008 ME_DestroyEditor(editor);
1009 SetWindowLongW(hWnd, 0, 0);
1011 case WM_LBUTTONDOWN:
1013 ME_LButtonDown(editor, (short)LOWORD(lParam), (short)HIWORD(lParam));
1017 if (GetCapture() == hWnd)
1018 ME_MouseMove(editor, (short)LOWORD(lParam), (short)HIWORD(lParam));
1021 if (GetCapture() == hWnd)
1025 hDC = BeginPaint(hWnd, &ps);
1026 ME_PaintContent(editor, hDC, FALSE, &ps.rcPaint);
1027 EndPaint(hWnd, &ps);
1030 ME_ShowCaret(editor);
1031 ME_SendOldNotify(editor, EN_SETFOCUS);
1034 ME_HideCaret(editor);
1035 ME_SendOldNotify(editor, EN_KILLFOCUS);
1039 HDC hDC = (HDC)wParam;
1041 COLORREF rgbBG = ME_GetBackColor(editor);
1042 if (GetUpdateRect(hWnd,&rc,TRUE))
1044 HBRUSH hbr = CreateSolidBrush(rgbBG);
1045 FillRect(hDC, &rc, hbr);
1051 TRACE("editor wnd command = %d\n", LOWORD(wParam));
1054 if (ME_ArrowKey(editor, LOWORD(wParam), GetKeyState(VK_CONTROL)<0)) {
1055 ME_CommitUndo(editor);
1056 ME_EnsureVisible(editor, editor->pCursors[0].pRun);
1058 ME_MoveCaret(editor);
1062 if (GetKeyState(VK_CONTROL)<0)
1064 if (LOWORD(wParam)=='W')
1068 ME_GetSelectionCharFormat(editor, &chf);
1069 ME_DumpStyleToBuf(&chf, buf);
1070 MessageBoxA(NULL, buf, "Style dump", MB_OK);
1072 if (LOWORD(wParam)=='Q')
1074 ME_CheckCharOffsets(editor);
1081 if (GetWindowLongW(editor->hWnd, GWL_STYLE) & ES_READONLY) {
1082 MessageBeep(MB_ICONERROR);
1083 return 0; /* FIXME really 0 ? */
1085 wstr = LOWORD(wParam);
1086 if (((unsigned)wstr)>=' ' || wstr=='\r') {
1087 /* FIXME maybe it would make sense to call EM_REPLACESEL instead ? */
1088 ME_Style *style = ME_GetInsertStyle(editor, 0);
1089 ME_SaveTempStyle(editor);
1090 ME_InsertTextFromCursor(editor, 0, &wstr, 1, style);
1091 ME_ReleaseStyle(style);
1092 ME_CommitUndo(editor);
1093 ME_UpdateRepaint(editor);
1099 si.cbSize = sizeof(SCROLLINFO);
1100 si.fMask = SIF_PAGE|SIF_POS|SIF_RANGE|SIF_TRACKPOS;
1101 GetScrollInfo(hWnd, SB_VERT, &si);
1102 switch(LOWORD(wParam)) {
1104 SetScrollPos(hWnd, SB_VERT, si.nTrackPos, FALSE);
1105 ScrollWindow(hWnd, 0, si.nPos-si.nTrackPos, NULL, NULL);
1106 /* InvalidateRect(hWnd, NULL, TRUE); */
1114 ME_MarkAllForWrapping(editor);
1116 return DefWindowProcW(hWnd, msg, wParam, lParam);
1118 case EM_GETOLEINTERFACE:
1120 LPVOID *ppvObj = (LPVOID*) lParam;
1121 FIXME("EM_GETOLEINTERFACE %p: stub\n", ppvObj);
1122 return CreateIRichEditOle(ppvObj);
1126 return DefWindowProcW(hWnd, msg, wParam, lParam);
1131 /******************************************************************
1132 * RichEdit10ANSIWndProc (RICHED20.9)
1134 LRESULT WINAPI RichEdit10ANSIWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
1136 /* FIXME: this is NOT the same as 2.0 version */
1137 return RichEditANSIWndProc(hWnd, msg, wParam, lParam);
1140 void ME_SendOldNotify(ME_TextEditor *editor, int nCode)
1142 HWND hWnd = editor->hWnd;
1143 SendMessageA(GetParent(hWnd), WM_COMMAND, (nCode<<16)|GetWindowLongW(hWnd, GWLP_ID), (LPARAM)hWnd);
1146 int ME_CountParagraphsBetween(ME_TextEditor *editor, int from, int to)
1148 ME_DisplayItem *item = ME_FindItemFwd(editor->pBuffer->pFirst, diParagraph);
1151 while(item && item->member.para.next_para->member.para.nCharOfs <= from)
1152 item = item->member.para.next_para;
1155 while(item && item->member.para.next_para->member.para.nCharOfs <= to) {
1156 item = item->member.para.next_para;
1163 int ME_GetTextW(ME_TextEditor *editor, WCHAR *buffer, int nStart, int nChars, int bCRLF)
1165 ME_DisplayItem *item = ME_FindItemAtOffset(editor, diRun, nStart, &nStart);
1176 int nLen = ME_StrLen(item->member.run.strText) - nStart;
1179 CopyMemory(buffer, item->member.run.strText->szData + nStart, sizeof(WCHAR)*nLen);
1186 item = ME_FindItemFwd(item, diRun);
1189 while(nChars && item)
1191 int nLen = ME_StrLen(item->member.run.strText);
1195 if (item->member.run.nFlags & MERF_ENDPARA)
1205 CopyMemory(buffer, item->member.run.strText->szData, sizeof(WCHAR)*nLen);
1215 item = ME_FindItemFwd(item, diRun);
1221 static WCHAR wszClassName[] = {'R', 'i', 'c', 'h', 'E', 'd', 'i', 't', '2', '0', 'W', 0};
1222 static WCHAR wszClassName50[] = {'R', 'i', 'c', 'h', 'E', 'd', 'i', 't', '5', '0', 'W', 0};
1224 void ME_RegisterEditorClass(HINSTANCE hInstance)
1230 wcW.style = CS_HREDRAW | CS_VREDRAW;
1231 wcW.lpfnWndProc = RichEditANSIWndProc;
1234 wcW.hInstance = NULL; /* hInstance would register DLL-local class */
1236 wcW.hCursor = LoadCursorW(NULL, MAKEINTRESOURCEW(IDC_IBEAM));
1237 wcW.hbrBackground = (HBRUSH)GetStockObject(NULL_BRUSH);
1238 wcW.lpszMenuName = NULL;
1239 wcW.lpszClassName = wszClassName;
1240 bResult = RegisterClassW(&wcW);
1242 wcW.lpszClassName = wszClassName50;
1243 bResult = RegisterClassW(&wcW);
1246 wcA.style = CS_HREDRAW | CS_VREDRAW;
1247 wcA.lpfnWndProc = RichEditANSIWndProc;
1250 wcA.hInstance = NULL; /* hInstance would register DLL-local class */
1252 wcA.hCursor = LoadCursorW(NULL, MAKEINTRESOURCEW(IDC_IBEAM));
1253 wcA.hbrBackground = (HBRUSH)GetStockObject(NULL_BRUSH);
1254 wcA.lpszMenuName = NULL;
1255 wcA.lpszClassName = "RichEdit20A";
1256 bResult = RegisterClassA(&wcA);
1258 wcA.lpszClassName = "RichEdit50A";
1259 bResult = RegisterClassA(&wcA);
1263 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
1268 case DLL_PROCESS_ATTACH:
1269 DisableThreadLibraryCalls(hinstDLL);
1270 me_heap = HeapCreate (0, 0x10000, 0);
1271 ME_RegisterEditorClass(hinstDLL);
1274 case DLL_PROCESS_DETACH:
1275 UnregisterClassW(wszClassName, 0);
1276 UnregisterClassW(wszClassName50, 0);
1277 UnregisterClassA("RichEdit20A", 0);
1278 UnregisterClassA("RichEdit50A", 0);
1279 HeapDestroy (me_heap);
1286 /******************************************************************
1287 * CreateTextServices (RICHED20.4)
1289 * FIXME should be ITextHost instead of void*
1291 HRESULT WINAPI CreateTextServices(IUnknown *punkOuter, void *pITextHost,
1295 /* FIXME should support aggregation */
1297 return CLASS_E_NOAGGREGATION;
1299 return E_FAIL; /* E_NOTIMPL isn't allowed by MSDN */
1302 /******************************************************************
1303 * REExtendedRegisterClass (RICHED20.8)
1305 * FIXME undocumented
1307 void WINAPI REExtendedRegisterClass(void)