/* * RichEdit - functions dealing with editor object * * Copyright 2004 by Krzysztof Foltman * Copyright 2005 by Cihan Altinay * Copyright 2005 by Phil Krylov * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA */ /* API implementation status: Messages (ANSI versions not done yet) + EM_AUTOURLDETECT 2.0 + EM_CANPASTE + EM_CANREDO 2.0 + EM_CANUNDO + EM_CHARFROMPOS - EM_DISPLAYBAND + EM_EMPTYUNDOBUFFER + EM_EXGETSEL + EM_EXLIMITTEXT + EM_EXLINEFROMCHAR + EM_EXSETSEL + EM_FINDTEXT (only FR_DOWN flag implemented) + EM_FINDTEXTEX (only FR_DOWN flag implemented) - EM_FINDWORDBREAK - EM_FMTLINES - EM_FORMATRANGE + EM_GETAUTOURLDETECT 2.0 - EM_GETBIDIOPTIONS 3.0 - EM_GETCHARFORMAT (partly done) - EM_GETEDITSTYLE + EM_GETEVENTMASK + EM_GETFIRSTVISIBLELINE (can be optimized if needed) - EM_GETIMECOLOR 1.0asian - EM_GETIMECOMPMODE 2.0 - EM_GETIMEOPTIONS 1.0asian - EM_GETIMESTATUS - EM_GETLANGOPTIONS 2.0 + EM_GETLIMITTEXT + EM_GETLINE + EM_GETLINECOUNT returns number of rows, not of paragraphs + EM_GETMODIFY - EM_GETOLEINTERFACE + EM_GETOPTIONS + EM_GETPARAFORMAT + EM_GETPASSWORDCHAR 2.0 - EM_GETPUNCTUATION 1.0asian + EM_GETRECT - EM_GETREDONAME 2.0 + EM_GETSEL + EM_GETSELTEXT (ANSI&Unicode) + EM_GETSCROLLPOS 3.0 (only Y value valid) ! - EM_GETTHUMB - EM_GETTEXTEX 2.0 + EM_GETTEXTLENGTHEX (GTL_PRECISE unimplemented) - EM_GETTEXTMODE 2.0 ? + EM_GETTEXTRANGE (ANSI&Unicode) - EM_GETTYPOGRAPHYOPTIONS 3.0 - EM_GETUNDONAME + EM_GETWORDBREAKPROC - EM_GETWORDBREAKPROCEX - EM_GETWORDWRAPMODE 1.0asian + EM_GETZOOM 3.0 + EM_HIDESELECTION - EM_LIMITTEXT + EM_LINEFROMCHAR + EM_LINEINDEX + EM_LINELENGTH + EM_LINESCROLL - EM_PASTESPECIAL + EM_POSFROMCHAR + EM_REDO 2.0 + EM_REQUESTRESIZE + EM_REPLACESEL (proper style?) ANSI&Unicode + EM_SCROLL + EM_SCROLLCARET - EM_SELECTIONTYPE - EM_SETBIDIOPTIONS 3.0 + EM_SETBKGNDCOLOR + EM_SETCHARFORMAT (partly done, no ANSI) - EM_SETEDITSTYLE + EM_SETEVENTMASK (few notifications supported) - EM_SETFONTSIZE - EM_SETIMECOLOR 1.0asian - EM_SETIMEOPTIONS 1.0asian - EM_SETLANGOPTIONS 2.0 - EM_SETLIMITTEXT + EM_SETMODIFY (not sure if implementation is correct) - EM_SETOLECALLBACK + EM_SETOPTIONS (partially implemented) - EM_SETPALETTE 2.0 + EM_SETPARAFORMAT + EM_SETPASSWORDCHAR 2.0 - EM_SETPUNCTUATION 1.0asian + EM_SETREADONLY no beep on modification attempt + EM_SETRECT + EM_SETRECTNP (EM_SETRECT without repainting) + EM_SETSEL + EM_SETSCROLLPOS 3.0 - EM_SETTABSTOPS 3.0 - EM_SETTARGETDEVICE + EM_SETTEXTEX 3.0 (unicode only, no rich text insertion handling, proper style?) - EM_SETTEXTMODE 2.0 - EM_SETTYPOGRAPHYOPTIONS 3.0 + EM_SETUNDOLIMIT 2.0 + EM_SETWORDBREAKPROC (used only for word movement at the moment) - EM_SETWORDBREAKPROCEX - EM_SETWORDWRAPMODE 1.0asian + EM_SETZOOM 3.0 + EM_SHOWSCROLLBAR 2.0 - EM_STOPGROUPTYPING 2.0 + EM_STREAMIN + EM_STREAMOUT + EM_UNDO + WM_CHAR + WM_CLEAR + WM_COPY + WM_CUT + WM_GETDLGCODE (the current implementation is incomplete) + WM_GETTEXT (ANSI&Unicode) + WM_GETTEXTLENGTH (ANSI version sucks) + WM_PASTE + WM_SETFONT + WM_SETTEXT (resets undo stack !) (proper style?) ANSI&Unicode - WM_STYLECHANGING - WM_STYLECHANGED (things like read-only flag) - WM_UNICHAR Notifications * EN_CHANGE (sent from the wrong place) - EN_CORRECTTEXT - EN_DROPFILES - EN_ERRSPACE - EN_HSCROLL - EN_IMECHANGE + EN_KILLFOCUS - EN_LINK - EN_MAXTEXT - EN_MSGFILTER - EN_OLEOPFAILED - EN_PROTECTED + EN_REQUESTRESIZE - EN_SAVECLIPBOARD + EN_SELCHANGE + EN_SETFOCUS - EN_STOPNOUNDO * EN_UPDATE (sent from the wrong place) - EN_VSCROLL Styles - ES_AUTOHSCROLL - ES_AUTOVSCROLL - ES_CENTER + ES_DISABLENOSCROLL (scrollbar is always visible) - ES_EX_NOCALLOLEINIT - ES_LEFT - ES_MULTILINE (currently single line controls aren't supported) - ES_NOIME - ES_READONLY (I'm not sure if beeping is the proper behaviour) - ES_RIGHT - ES_SAVESEL - ES_SELFIME - ES_SUNKEN - ES_VERTICAL - ES_WANTRETURN (don't know how to do WM_GETDLGCODE part) - WS_SETFONT - WS_HSCROLL + WS_VSCROLL */ /* * RICHED20 TODO (incomplete): * * - messages/styles/notifications listed above * - Undo coalescing * - add remaining CHARFORMAT/PARAFORMAT fields * - right/center align should strip spaces from the beginning * - pictures/OLE objects (not just smiling faces that lack API support ;-) ) * - COM interface (looks like a major pain in the TODO list) * - calculate heights of pictures (half-done) * - horizontal scrolling (not even started) * - hysteresis during wrapping (related to scrollbars appearing/disappearing) * - find/replace * - how to implement EM_FORMATRANGE and EM_DISPLAYBAND ? (Mission Impossible) * - italic caret with italic fonts * - IME * - most notifications aren't sent at all (the most important ones are) * - when should EN_SELCHANGE be sent after text change ? (before/after EN_UPDATE?) * - WM_SETTEXT may use wrong style (but I'm 80% sure it's OK) * - EM_GETCHARFORMAT with SCF_SELECTION may not behave 100% like in original (but very close) * - full justification * - hyphenation * - tables * - ListBox & ComboBox not implemented * * Bugs that are probably fixed, but not so easy to verify: * - EN_UPDATE/EN_CHANGE are handled very incorrectly (should be OK now) * - undo for ME_JoinParagraphs doesn't store paragraph format ? (it does) * - check/fix artificial EOL logic (bCursorAtEnd, hardly logical) * - caret shouldn't be displayed when selection isn't empty * - check refcounting in style management functions (looks perfect now, but no bugs is suspicious) * - undo for setting default format (done, might be buggy) * - styles might be not released properly (looks like they work like charm, but who knows? * */ #include "editor.h" #include "commdlg.h" #include "winreg.h" #define NO_SHLWAPI_STREAM #include "shlwapi.h" #include "imm.h" #include "textserv.h" #include "rtf.h" #define STACK_SIZE_DEFAULT 100 #define STACK_SIZE_MAX 1000 #define TEXT_LIMIT_DEFAULT 32767 WINE_DEFAULT_DEBUG_CHANNEL(richedit); int me_debug = 0; HANDLE me_heap = NULL; static BOOL ME_ListBoxRegistered = FALSE; static BOOL ME_ComboBoxRegistered = FALSE; static ME_TextBuffer *ME_MakeText(void) { ME_TextBuffer *buf = ALLOC_OBJ(ME_TextBuffer); ME_DisplayItem *p1 = ME_MakeDI(diTextStart); ME_DisplayItem *p2 = ME_MakeDI(diTextEnd); p1->prev = NULL; p1->next = p2; p2->prev = p1; p2->next = NULL; p1->member.para.next_para = p2; p2->member.para.prev_para = p1; p2->member.para.nCharOfs = 0; buf->pFirst = p1; buf->pLast = p2; buf->pCharStyle = NULL; return buf; } static LRESULT ME_StreamInText(ME_TextEditor *editor, DWORD dwFormat, ME_InStream *stream, ME_Style *style) { WCHAR wszText[STREAMIN_BUFFER_SIZE+1]; WCHAR *pText; TRACE("%08lx %p\n", dwFormat, stream); do { long nWideChars = 0; if (!stream->dwSize) { ME_StreamInFill(stream); if (stream->editstream->dwError) break; if (!stream->dwSize) break; } if (!(dwFormat & SF_UNICODE)) { /* FIXME? this is doomed to fail on true MBCS like UTF-8, luckily they're unlikely to be used as CP_ACP */ nWideChars = MultiByteToWideChar(CP_ACP, 0, stream->buffer, stream->dwSize, wszText, STREAMIN_BUFFER_SIZE); pText = wszText; } else { nWideChars = stream->dwSize >> 1; pText = (WCHAR *)stream->buffer; } ME_InsertTextFromCursor(editor, 0, pText, nWideChars, style); if (stream->dwSize == 0) break; stream->dwSize = 0; } while(1); ME_CommitUndo(editor); ME_UpdateRepaint(editor); return 0; } static void ME_RTFCharAttrHook(RTF_Info *info) { CHARFORMAT2W fmt; fmt.cbSize = sizeof(fmt); fmt.dwMask = 0; fmt.dwEffects = 0; switch(info->rtfMinor) { case rtfPlain: /* FIXME add more flags once they're implemented */ fmt.dwMask = CFM_BOLD | CFM_ITALIC | CFM_UNDERLINE | CFM_STRIKEOUT | CFM_COLOR | CFM_BACKCOLOR | CFM_SIZE | CFM_WEIGHT; fmt.dwEffects = CFE_AUTOCOLOR | CFE_AUTOBACKCOLOR; fmt.yHeight = 12*20; /* 12pt */ fmt.wWeight = 400; break; case rtfBold: fmt.dwMask = CFM_BOLD; fmt.dwEffects = info->rtfParam ? fmt.dwMask : 0; break; case rtfItalic: fmt.dwMask = CFM_ITALIC; fmt.dwEffects = info->rtfParam ? fmt.dwMask : 0; break; case rtfUnderline: fmt.dwMask = CFM_UNDERLINE; fmt.dwEffects = info->rtfParam ? fmt.dwMask : 0; fmt.bUnderlineType = CFU_CF1UNDERLINE; break; case rtfNoUnderline: fmt.dwMask = CFM_UNDERLINE; fmt.dwEffects = 0; break; case rtfStrikeThru: fmt.dwMask = CFM_STRIKEOUT; fmt.dwEffects = info->rtfParam ? fmt.dwMask : 0; break; case rtfSubScript: case rtfSuperScript: case rtfSubScrShrink: case rtfSuperScrShrink: case rtfNoSuperSub: fmt.dwMask = CFM_SUBSCRIPT|CFM_SUPERSCRIPT; if (info->rtfMinor == rtfSubScrShrink) fmt.dwEffects = CFE_SUBSCRIPT; if (info->rtfMinor == rtfSuperScrShrink) fmt.dwEffects = CFE_SUPERSCRIPT; if (info->rtfMinor == rtfNoSuperSub) fmt.dwEffects = 0; break; case rtfInvisible: fmt.dwMask = CFM_HIDDEN; fmt.dwEffects = info->rtfParam ? fmt.dwMask : 0; break; case rtfBackColor: fmt.dwMask = CFM_BACKCOLOR; fmt.dwEffects = 0; if (info->rtfParam == 0) fmt.dwEffects = CFE_AUTOBACKCOLOR; else if (info->rtfParam != rtfNoParam) { RTFColor *c = RTFGetColor(info, info->rtfParam); fmt.crTextColor = (c->rtfCBlue<<16)|(c->rtfCGreen<<8)|(c->rtfCRed); } break; case rtfForeColor: fmt.dwMask = CFM_COLOR; fmt.dwEffects = 0; if (info->rtfParam == 0) fmt.dwEffects = CFE_AUTOCOLOR; else if (info->rtfParam != rtfNoParam) { RTFColor *c = RTFGetColor(info, info->rtfParam); fmt.crTextColor = (c->rtfCBlue<<16)|(c->rtfCGreen<<8)|(c->rtfCRed); } break; case rtfFontNum: if (info->rtfParam != rtfNoParam) { RTFFont *f = RTFGetFont(info, info->rtfParam); if (f) { MultiByteToWideChar(CP_ACP, 0, f->rtfFName, -1, fmt.szFaceName, sizeof(fmt.szFaceName)/sizeof(WCHAR)); fmt.szFaceName[sizeof(fmt.szFaceName)/sizeof(WCHAR)-1] = '\0'; fmt.bCharSet = f->rtfFCharSet; fmt.dwMask = CFM_FACE | CFM_CHARSET; } } break; case rtfFontSize: fmt.dwMask = CFM_SIZE; if (info->rtfParam != rtfNoParam) fmt.yHeight = info->rtfParam*10; break; } if (fmt.dwMask) { ME_Style *style2; RTFFlushOutputBuffer(info); /* FIXME too slow ? how come ? */ style2 = ME_ApplyStyle(info->style, &fmt); ME_ReleaseStyle(info->style); info->style = style2; info->styleChanged = TRUE; } } /* FIXME this function doesn't get any information about context of the RTF tag, which is very bad, the same tags mean different things in different contexts */ static void ME_RTFParAttrHook(RTF_Info *info) { PARAFORMAT2 fmt; fmt.cbSize = sizeof(fmt); fmt.dwMask = 0; switch(info->rtfMinor) { case rtfParDef: /* restores default paragraph attributes */ fmt.dwMask = PFM_ALIGNMENT | PFM_TABSTOPS | PFM_OFFSET | PFM_STARTINDENT; fmt.wAlignment = PFA_LEFT; fmt.cTabCount = 0; fmt.dxOffset = fmt.dxStartIndent = 0; RTFFlushOutputBuffer(info); ME_GetParagraph(info->editor->pCursors[0].pRun)->member.para.bTable = FALSE; break; case rtfInTable: { ME_DisplayItem *para; RTFFlushOutputBuffer(info); para = ME_GetParagraph(info->editor->pCursors[0].pRun); assert(para->member.para.pCells); para->member.para.bTable = TRUE; return; } case rtfFirstIndent: ME_GetSelectionParaFormat(info->editor, &fmt); fmt.dwMask = PFM_STARTINDENT | PFM_OFFSET; fmt.dxStartIndent += info->rtfParam + fmt.dxOffset; fmt.dxOffset = -info->rtfParam; break; case rtfLeftIndent: ME_GetSelectionParaFormat(info->editor, &fmt); fmt.dwMask = PFM_STARTINDENT; fmt.dxStartIndent = -fmt.dxOffset + info->rtfParam; break; case rtfRightIndent: fmt.dwMask = PFM_RIGHTINDENT; fmt.dxRightIndent = info->rtfParam; break; case rtfQuadLeft: case rtfQuadJust: fmt.dwMask = PFM_ALIGNMENT; fmt.wAlignment = PFA_LEFT; break; case rtfQuadRight: fmt.dwMask = PFM_ALIGNMENT; fmt.wAlignment = PFA_RIGHT; break; case rtfQuadCenter: fmt.dwMask = PFM_ALIGNMENT; fmt.wAlignment = PFA_CENTER; break; case rtfTabPos: ME_GetSelectionParaFormat(info->editor, &fmt); if (!(fmt.dwMask & PFM_TABSTOPS)) { fmt.dwMask |= PFM_TABSTOPS; fmt.cTabCount = 0; } if (fmt.cTabCount < MAX_TAB_STOPS) fmt.rgxTabs[fmt.cTabCount++] = info->rtfParam; break; } if (fmt.dwMask) { RTFFlushOutputBuffer(info); /* FIXME too slow ? how come ?*/ ME_SetSelectionParaFormat(info->editor, &fmt); } } static void ME_RTFTblAttrHook(RTF_Info *info) { ME_DisplayItem *para; switch (info->rtfMinor) { case rtfRowDef: RTFFlushOutputBuffer(info); para = ME_GetParagraph(info->editor->pCursors[0].pRun); /* Release possibly inherited cell definitions */ ME_DestroyTableCellList(para); para->member.para.pCells = ALLOC_OBJ(ME_TableCell); para->member.para.pCells->nRightBoundary = 0; para->member.para.pCells->next = NULL; para->member.para.pLastCell = para->member.para.pCells; break; case rtfCellPos: RTFFlushOutputBuffer(info); para = ME_GetParagraph(info->editor->pCursors[0].pRun); if (para->member.para.pLastCell->nRightBoundary) { ME_TableCell *pCell = ALLOC_OBJ(ME_TableCell); pCell->next = NULL; para->member.para.pLastCell->next = pCell; para->member.para.pLastCell = pCell; } para->member.para.pLastCell->nRightBoundary = info->rtfParam; break; } } static void ME_RTFReadHook(RTF_Info *info) { switch(info->rtfClass) { case rtfGroup: switch(info->rtfMajor) { case rtfBeginGroup: if (info->stackTop < maxStack) { memcpy(&info->stack[info->stackTop].fmt, &info->style->fmt, sizeof(CHARFORMAT2W)); info->stack[info->stackTop].codePage = info->codePage; info->stack[info->stackTop].unicodeLength = info->unicodeLength; } info->stackTop++; info->styleChanged = FALSE; break; case rtfEndGroup: { ME_Style *s; RTFFlushOutputBuffer(info); if (info->stackTop<=1) { info->rtfClass = rtfEOF; return; } info->stackTop--; assert(info->stackTop >= 0); if (info->styleChanged) { /* FIXME too slow ? how come ? */ s = ME_ApplyStyle(info->style, &info->stack[info->stackTop].fmt); ME_ReleaseStyle(info->style); info->style = s; info->codePage = info->stack[info->stackTop].codePage; info->unicodeLength = info->stack[info->stackTop].unicodeLength; } break; } } break; case rtfControl: switch(info->rtfMajor) { case rtfCharAttr: ME_RTFCharAttrHook(info); break; case rtfParAttr: ME_RTFParAttrHook(info); break; case rtfTblAttr: ME_RTFTblAttrHook(info); break; case rtfSpecialChar: if (info->rtfMinor == rtfCell) { RTFFlushOutputBuffer(info); ME_InsertTableCellFromCursor(info->editor, 0); } } break; } } void ME_StreamInFill(ME_InStream *stream) { stream->editstream->dwError = stream->editstream->pfnCallback(stream->editstream->dwCookie, (BYTE *)stream->buffer, sizeof(stream->buffer), (LONG *)&stream->dwSize); stream->dwUsed = 0; } static LRESULT ME_StreamIn(ME_TextEditor *editor, DWORD format, EDITSTREAM *stream) { RTF_Info parser; ME_Style *style; int from, to, to2, nUndoMode; ME_UndoItem *pUI; int nEventMask = editor->nEventMask; ME_InStream inStream; TRACE("stream==%p hWnd==%p format==0x%X\n", stream, editor->hWnd, (UINT)format); editor->nEventMask = 0; ME_GetSelection(editor, &from, &to); if ((format & SFF_SELECTION) && (editor->mode & TM_RICHTEXT)) { style = ME_GetSelectionInsertStyle(editor); ME_InternalDeleteText(editor, from, to-from); } else { style = editor->pBuffer->pDefaultStyle; ME_AddRefStyle(style); SendMessageA(editor->hWnd, EM_SETSEL, 0, 0); ME_InternalDeleteText(editor, 0, ME_GetTextLength(editor)); from = to = 0; ME_ClearTempStyle(editor); /* FIXME restore default paragraph formatting ! */ } nUndoMode = editor->nUndoMode; editor->nUndoMode = umIgnore; inStream.editstream = stream; inStream.editstream->dwError = 0; inStream.dwSize = 0; inStream.dwUsed = 0; if (format & SF_RTF) { /* Check if it's really RTF, and if it is not, use plain text */ ME_StreamInFill(&inStream); if (!inStream.editstream->dwError) { if (strncmp(inStream.buffer, "{\\rtf", 5) && strncmp(inStream.buffer, "{\\urtf", 6)) { format &= ~SF_RTF; format |= SF_TEXT; } } } if (!inStream.editstream->dwError) { if (format & SF_RTF) { /* setup the RTF parser */ memset(&parser, 0, sizeof parser); RTFSetEditStream(&parser, &inStream); parser.rtfFormat = format&(SF_TEXT|SF_RTF); parser.hwndEdit = editor->hWnd; parser.editor = editor; parser.style = style; WriterInit(&parser); RTFInit(&parser); RTFSetReadHook(&parser, ME_RTFReadHook); BeginFile(&parser); /* do the parsing */ RTFRead(&parser); RTFFlushOutputBuffer(&parser); RTFDestroy(&parser); style = parser.style; } else if (format & SF_TEXT) ME_StreamInText(editor, format, &inStream, style); else ERR("EM_STREAMIN without SF_TEXT or SF_RTF\n"); ME_GetSelection(editor, &to, &to2); /* put the cursor at the top */ if (!(format & SFF_SELECTION)) SendMessageA(editor->hWnd, EM_SETSEL, 0, 0); } editor->nUndoMode = nUndoMode; if (format & SFF_SELECTION) { pUI = ME_AddUndoItem(editor, diUndoDeleteRun, NULL); TRACE("from %d to %d\n", from, to); if (pUI && from < to) { pUI->nStart = from; pUI->nLen = to-from; } ME_CommitUndo(editor); } else { ME_EmptyUndoStack(editor); } ME_ReleaseStyle(style); editor->nEventMask = nEventMask; if (editor->bRedraw) { ME_UpdateRepaint(editor); } if (!(format & SFF_SELECTION)) { ME_ClearTempStyle(editor); } ME_MoveCaret(editor); ME_SendSelChange(editor); ME_SendRequestResize(editor, FALSE); return 0; } typedef struct tagME_RTFStringStreamStruct { char *string; int pos; int length; } ME_RTFStringStreamStruct; static DWORD CALLBACK ME_ReadFromRTFString(DWORD_PTR dwCookie, LPBYTE lpBuff, LONG cb, LONG *pcb) { ME_RTFStringStreamStruct *pStruct = (ME_RTFStringStreamStruct *)dwCookie; int count; count = min(cb, pStruct->length - pStruct->pos); memmove(lpBuff, pStruct->string + pStruct->pos, count); pStruct->pos += count; *pcb = count; return 0; } static void ME_StreamInRTFString(ME_TextEditor *editor, BOOL selection, char *string) { EDITSTREAM es; ME_RTFStringStreamStruct data; data.string = string; data.length = strlen(string); data.pos = 0; es.dwCookie = (DWORD)&data; es.pfnCallback = ME_ReadFromRTFString; ME_StreamIn(editor, SF_RTF | (selection ? SFF_SELECTION : 0), &es); } ME_DisplayItem * ME_FindItemAtOffset(ME_TextEditor *editor, ME_DIType nItemType, int nOffset, int *nItemOffset) { ME_DisplayItem *item = ME_FindItemFwd(editor->pBuffer->pFirst, diParagraph); while (item && item->member.para.next_para->member.para.nCharOfs <= nOffset) item = ME_FindItemFwd(item, diParagraph); if (!item) return item; nOffset -= item->member.para.nCharOfs; if (nItemType == diParagraph) { if (nItemOffset) *nItemOffset = nOffset; return item; } do { item = ME_FindItemFwd(item, diRun); } while (item && (item->member.run.nCharOfs + ME_StrLen(item->member.run.strText) <= nOffset)); if (item) { nOffset -= item->member.run.nCharOfs; if (nItemOffset) *nItemOffset = nOffset; } return item; } static int ME_FindText(ME_TextEditor *editor, DWORD flags, CHARRANGE *chrg, const WCHAR *text, CHARRANGE *chrgText) { const int nLen = lstrlenW(text); const int nTextLen = ME_GetTextLength(editor); int nStart, nEnd; int nMin, nMax; ME_DisplayItem *item; ME_DisplayItem *para; WCHAR wLastChar = ' '; TRACE("flags==0x%08lx, chrg->cpMin==%ld, chrg->cpMax==%ld text==%s\n", flags, chrg->cpMin, chrg->cpMax, debugstr_w(text)); if (flags & ~(FR_DOWN | FR_MATCHCASE | FR_WHOLEWORD)) FIXME("Flags 0x%08lx not implemented\n", flags & ~(FR_DOWN | FR_MATCHCASE | FR_WHOLEWORD)); nMin = chrg->cpMin; if (chrg->cpMax == -1) nMax = nTextLen; else nMax = chrg->cpMax > nTextLen ? nTextLen : chrg->cpMax; /* when searching up, if cpMin < cpMax, then instead of searching * on [cpMin,cpMax], we search on [0,cpMin], otherwise, search on * [cpMax, cpMin]. The exception is when cpMax is -1, in which * case, it is always bigger than cpMin. */ if (!(flags & FR_DOWN)) { int nSwap = nMax; nMax = nMin > nTextLen ? nTextLen : nMin; if (nMin < nSwap || chrg->cpMax == -1) nMin = 0; else nMin = nSwap; } if (!nLen || nMin < 0 || nMax < 0 || nMax < nMin) { if (chrgText) chrgText->cpMin = chrgText->cpMax = -1; return -1; } if (flags & FR_DOWN) /* Forward search */ { /* If possible, find the character before where the search starts */ if ((flags & FR_WHOLEWORD) && nMin) { nStart = nMin - 1; item = ME_FindItemAtOffset(editor, diRun, nStart, &nStart); if (!item) { if (chrgText) chrgText->cpMin = chrgText->cpMax = -1; return -1; } wLastChar = item->member.run.strText->szData[nStart]; } nStart = nMin; item = ME_FindItemAtOffset(editor, diRun, nStart, &nStart); if (!item) { if (chrgText) chrgText->cpMin = chrgText->cpMax = -1; return -1; } para = ME_GetParagraph(item); while (item && para->member.para.nCharOfs + item->member.run.nCharOfs + nStart + nLen <= nMax) { ME_DisplayItem *pCurItem = item; int nCurStart = nStart; int nMatched = 0; while (pCurItem && ME_CharCompare(pCurItem->member.run.strText->szData[nCurStart + nMatched], text[nMatched], (flags & FR_MATCHCASE))) { if ((flags & FR_WHOLEWORD) && isalnumW(wLastChar)) break; nMatched++; if (nMatched == nLen) { ME_DisplayItem *pNextItem = pCurItem; int nNextStart = nCurStart; WCHAR wNextChar; /* Check to see if next character is a whitespace */ if (flags & FR_WHOLEWORD) { if (nCurStart + nMatched == ME_StrLen(pCurItem->member.run.strText)) { pNextItem = ME_FindItemFwd(pCurItem, diRun); nNextStart = -nMatched; } if (pNextItem) wNextChar = pNextItem->member.run.strText->szData[nNextStart + nMatched]; else wNextChar = ' '; if (isalnumW(wNextChar)) break; } nStart += para->member.para.nCharOfs + pCurItem->member.run.nCharOfs; if (chrgText) { chrgText->cpMin = nStart; chrgText->cpMax = nStart + nLen; } TRACE("found at %d-%d\n", nStart, nStart + nLen); return nStart; } if (nCurStart + nMatched == ME_StrLen(pCurItem->member.run.strText)) { pCurItem = ME_FindItemFwd(pCurItem, diRun); para = ME_GetParagraph(pCurItem); nCurStart = -nMatched; } } if (pCurItem) wLastChar = pCurItem->member.run.strText->szData[nCurStart + nMatched]; else wLastChar = ' '; nStart++; if (nStart == ME_StrLen(item->member.run.strText)) { item = ME_FindItemFwd(item, diRun); para = ME_GetParagraph(item); nStart = 0; } } } else /* Backward search */ { /* If possible, find the character after where the search ends */ if ((flags & FR_WHOLEWORD) && nMax < nTextLen - 1) { nEnd = nMax + 1; item = ME_FindItemAtOffset(editor, diRun, nEnd, &nEnd); if (!item) { if (chrgText) chrgText->cpMin = chrgText->cpMax = -1; return -1; } wLastChar = item->member.run.strText->szData[nEnd]; } nEnd = nMax; item = ME_FindItemAtOffset(editor, diRun, nEnd, &nEnd); if (!item) { if (chrgText) chrgText->cpMin = chrgText->cpMax = -1; return -1; } para = ME_GetParagraph(item); while (item && para->member.para.nCharOfs + item->member.run.nCharOfs + nEnd - nLen >= nMin) { ME_DisplayItem *pCurItem = item; int nCurEnd = nEnd; int nMatched = 0; if (nCurEnd - nMatched == 0) { pCurItem = ME_FindItemBack(pCurItem, diRun); para = ME_GetParagraph(pCurItem); nCurEnd = ME_StrLen(pCurItem->member.run.strText) + nMatched; } while (pCurItem && ME_CharCompare(pCurItem->member.run.strText->szData[nCurEnd - nMatched - 1], text[nLen - nMatched - 1], (flags & FR_MATCHCASE))) { if ((flags & FR_WHOLEWORD) && isalnumW(wLastChar)) break; nMatched++; if (nMatched == nLen) { ME_DisplayItem *pPrevItem = pCurItem; int nPrevEnd = nCurEnd; WCHAR wPrevChar; /* Check to see if previous character is a whitespace */ if (flags & FR_WHOLEWORD) { if (nPrevEnd - nMatched == 0) { pPrevItem = ME_FindItemBack(pCurItem, diRun); if (pPrevItem) nPrevEnd = ME_StrLen(pPrevItem->member.run.strText) + nMatched; } if (pPrevItem) wPrevChar = pPrevItem->member.run.strText->szData[nPrevEnd - nMatched - 1]; else wPrevChar = ' '; if (isalnumW(wPrevChar)) break; } nStart = para->member.para.nCharOfs + pCurItem->member.run.nCharOfs + nCurEnd - nMatched; if (chrgText) { chrgText->cpMin = nStart; chrgText->cpMax = nStart + nLen; } TRACE("found at %d-%d\n", nStart, nStart + nLen); return nStart; } if (nCurEnd - nMatched == 0) { pCurItem = ME_FindItemBack(pCurItem, diRun); /* Don't care about pCurItem becoming NULL here; it's already taken * care of in the exterior loop condition */ para = ME_GetParagraph(pCurItem); nCurEnd = ME_StrLen(pCurItem->member.run.strText) + nMatched; } } if (pCurItem) wLastChar = pCurItem->member.run.strText->szData[nCurEnd - nMatched - 1]; else wLastChar = ' '; nEnd--; if (nEnd < 0) { item = ME_FindItemBack(item, diRun); para = ME_GetParagraph(item); nEnd = ME_StrLen(item->member.run.strText); } } } TRACE("not found\n"); if (chrgText) chrgText->cpMin = chrgText->cpMax = -1; return -1; } static BOOL ME_KeyDown(ME_TextEditor *editor, WORD nKey) { BOOL ctrl_is_down = GetKeyState(VK_CONTROL) & 0x8000; BOOL shift_is_down = GetKeyState(VK_SHIFT) & 0x8000; switch (nKey) { case VK_LEFT: case VK_RIGHT: case VK_UP: case VK_DOWN: case VK_HOME: case VK_END: case VK_PRIOR: case VK_NEXT: ME_ArrowKey(editor, nKey, shift_is_down, ctrl_is_down); return TRUE; case VK_BACK: case VK_DELETE: /* FIXME backspace and delete aren't the same, they act different wrt paragraph style of the merged paragraph */ if (GetWindowLongW(editor->hWnd, GWL_STYLE) & ES_READONLY) return FALSE; if (ME_IsSelection(editor)) ME_DeleteSelection(editor); else if (nKey == VK_DELETE || ME_ArrowKey(editor, VK_LEFT, FALSE, FALSE)) ME_DeleteTextAtCursor(editor, 1, 1); else return TRUE; ME_CommitUndo(editor); ME_UpdateRepaint(editor); ME_SendRequestResize(editor, FALSE); return TRUE; default: if (ctrl_is_down) { if (nKey == 'W') { CHARFORMAT2W chf; char buf[2048]; chf.cbSize = sizeof(chf); ME_GetSelectionCharFormat(editor, &chf); ME_DumpStyleToBuf(&chf, buf); MessageBoxA(NULL, buf, "Style dump", MB_OK); } if (nKey == 'Q') { ME_CheckCharOffsets(editor); } } } return FALSE; } static void ME_ShowContextMenu(ME_TextEditor *editor, int x, int y) { CHARRANGE selrange; HMENU menu; int seltype = 0; if(!editor->lpOleCallback) return; ME_GetSelection(editor, (int *)&selrange.cpMin, (int *)&selrange.cpMax); if(selrange.cpMin == selrange.cpMax) seltype |= SEL_EMPTY; else { /* FIXME: Handle objects */ seltype |= SEL_TEXT; if(selrange.cpMax-selrange.cpMin > 1) seltype |= SEL_MULTICHAR; } if(SUCCEEDED(IRichEditOleCallback_GetContextMenu(editor->lpOleCallback, seltype, NULL, &selrange, &menu))) { TrackPopupMenu(menu, TPM_LEFTALIGN | TPM_RIGHTBUTTON, x, y, 0, GetParent(editor->hWnd), NULL); DestroyMenu(menu); } } ME_TextEditor *ME_MakeEditor(HWND hWnd) { ME_TextEditor *ed = ALLOC_OBJ(ME_TextEditor); HDC hDC; int i; ed->hWnd = hWnd; ed->bEmulateVersion10 = FALSE; ed->pBuffer = ME_MakeText(); hDC = GetDC(hWnd); ME_MakeFirstParagraph(hDC, ed->pBuffer); ReleaseDC(hWnd, hDC); ed->bCaretShown = FALSE; ed->nCursors = 3; ed->pCursors = ALLOC_N_OBJ(ME_Cursor, ed->nCursors); ed->pCursors[0].pRun = ME_FindItemFwd(ed->pBuffer->pFirst, diRun); ed->pCursors[0].nOffset = 0; ed->pCursors[1].pRun = ME_FindItemFwd(ed->pBuffer->pFirst, diRun); ed->pCursors[1].nOffset = 0; ed->nLastTotalLength = ed->nTotalLength = 0; ed->nUDArrowX = -1; ed->nSequence = 0; ed->rgbBackColor = -1; ed->hbrBackground = GetSysColorBrush(COLOR_WINDOW); ed->bCaretAtEnd = FALSE; ed->nEventMask = 0; ed->nModifyStep = 0; ed->nTextLimit = TEXT_LIMIT_DEFAULT; ed->pUndoStack = ed->pRedoStack = ed->pUndoStackBottom = NULL; ed->nUndoStackSize = 0; ed->nUndoLimit = STACK_SIZE_DEFAULT; ed->nUndoMode = umAddToUndo; ed->nParagraphs = 1; ed->nLastSelStart = ed->nLastSelEnd = 0; ed->pLastSelStartPara = ed->pLastSelEndPara = ME_FindItemFwd(ed->pBuffer->pFirst, diParagraph); ed->nScrollPosY = 0; ed->nZoomNumerator = ed->nZoomDenominator = 0; ed->bRedraw = TRUE; ed->bHideSelection = FALSE; ed->nInvalidOfs = -1; ed->pfnWordBreak = NULL; ed->lpOleCallback = NULL; ed->mode = TM_RICHTEXT | TM_MULTILEVELUNDO | TM_MULTICODEPAGE; GetClientRect(hWnd, &ed->rcFormat); for (i=0; ipFontCache[i].nRefs = 0; ed->pFontCache[i].nAge = 0; ed->pFontCache[i].hFont = NULL; } if (GetWindowLongW(hWnd, GWL_STYLE) & WS_HSCROLL) FIXME("WS_HSCROLL requested, but horizontal scrolling isn't implemented yet.\n"); ed->bScrollX = 0; ed->bScrollY = GetWindowLongW(hWnd, GWL_STYLE) & WS_VSCROLL; ME_CheckCharOffsets(ed); if (GetWindowLongW(hWnd, GWL_STYLE) & ES_PASSWORD) ed->cPasswordMask = '*'; else ed->cPasswordMask = 0; return ed; } typedef struct tagME_GlobalDestStruct { HGLOBAL hData; int nLength; } ME_GlobalDestStruct; static DWORD CALLBACK ME_ReadFromHGLOBALUnicode(DWORD_PTR dwCookie, LPBYTE lpBuff, LONG cb, LONG *pcb) { ME_GlobalDestStruct *pData = (ME_GlobalDestStruct *)dwCookie; int i; WORD *pSrc, *pDest; cb = cb >> 1; pDest = (WORD *)lpBuff; pSrc = (WORD *)GlobalLock(pData->hData); for (i = 0; inLength+i]; i++) { pDest[i] = pSrc[pData->nLength+i]; } pData->nLength += i; *pcb = 2*i; GlobalUnlock(pData->hData); return 0; } static DWORD CALLBACK ME_ReadFromHGLOBALRTF(DWORD_PTR dwCookie, LPBYTE lpBuff, LONG cb, LONG *pcb) { ME_GlobalDestStruct *pData = (ME_GlobalDestStruct *)dwCookie; int i; BYTE *pSrc, *pDest; pDest = lpBuff; pSrc = (BYTE *)GlobalLock(pData->hData); for (i = 0; inLength+i]; i++) { pDest[i] = pSrc[pData->nLength+i]; } pData->nLength += i; *pcb = i; GlobalUnlock(pData->hData); return 0; } void ME_DestroyEditor(ME_TextEditor *editor) { ME_DisplayItem *pFirst = editor->pBuffer->pFirst; ME_DisplayItem *p = pFirst, *pNext = NULL; int i; ME_ClearTempStyle(editor); ME_EmptyUndoStack(editor); while(p) { pNext = p->next; ME_DestroyDisplayItem(p); p = pNext; } ME_ReleaseStyle(editor->pBuffer->pDefaultStyle); for (i=0; ipFontCache[i].hFont) DeleteObject(editor->pFontCache[i].hFont); } DeleteObject(editor->hbrBackground); if(editor->lpOleCallback) IUnknown_Release(editor->lpOleCallback); FREE_OBJ(editor); } static const WCHAR wszClassName[] = {'R', 'i', 'c', 'h', 'E', 'd', 'i', 't', '2', '0', 'W', 0}; static const WCHAR wszClassName50[] = {'R', 'i', 'c', 'h', 'E', 'd', 'i', 't', '5', '0', 'W', 0}; static const WCHAR wszClassNameListBox[] = {'R','E','L','i','s','t','B','o','x','2','0','W', 0}; static const WCHAR wszClassNameComboBox[] = {'R','E','C','o','m','b','o','B','o','x','2','0','W', 0}; BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved) { TRACE("\n"); switch (fdwReason) { case DLL_PROCESS_ATTACH: DisableThreadLibraryCalls(hinstDLL); me_heap = HeapCreate (0, 0x10000, 0); ME_RegisterEditorClass(hinstDLL); break; case DLL_PROCESS_DETACH: UnregisterClassW(wszClassName, 0); UnregisterClassW(wszClassName50, 0); UnregisterClassA("RichEdit20A", 0); UnregisterClassA("RichEdit50A", 0); if (ME_ListBoxRegistered) UnregisterClassW(wszClassNameListBox, 0); if (ME_ComboBoxRegistered) UnregisterClassW(wszClassNameComboBox, 0); HeapDestroy (me_heap); me_heap = NULL; break; } return TRUE; } #define UNSUPPORTED_MSG(e) \ case e: \ FIXME(#e ": stub\n"); \ return DefWindowProcW(hWnd, msg, wParam, lParam); static const char * const edit_messages[] = { "EM_GETSEL", "EM_SETSEL", "EM_GETRECT", "EM_SETRECT", "EM_SETRECTNP", "EM_SCROLL", "EM_LINESCROLL", "EM_SCROLLCARET", "EM_GETMODIFY", "EM_SETMODIFY", "EM_GETLINECOUNT", "EM_LINEINDEX", "EM_SETHANDLE", "EM_GETHANDLE", "EM_GETTHUMB", "EM_UNKNOWN_BF", "EM_UNKNOWN_C0", "EM_LINELENGTH", "EM_REPLACESEL", "EM_UNKNOWN_C3", "EM_GETLINE", "EM_LIMITTEXT", "EM_CANUNDO", "EM_UNDO", "EM_FMTLINES", "EM_LINEFROMCHAR", "EM_UNKNOWN_CA", "EM_SETTABSTOPS", "EM_SETPASSWORDCHAR", "EM_EMPTYUNDOBUFFER", "EM_GETFIRSTVISIBLELINE", "EM_SETREADONLY", "EM_SETWORDBREAKPROC", "EM_GETWORDBREAKPROC", "EM_GETPASSWORDCHAR", "EM_SETMARGINS", "EM_GETMARGINS", "EM_GETLIMITTEXT", "EM_POSFROMCHAR", "EM_CHARFROMPOS" }; static const char * const richedit_messages[] = { "EM_CANPASTE", "EM_DISPLAYBAND", "EM_EXGETSEL", "EM_EXLIMITTEXT", "EM_EXLINEFROMCHAR", "EM_EXSETSEL", "EM_FINDTEXT", "EM_FORMATRANGE", "EM_GETCHARFORMAT", "EM_GETEVENTMASK", "EM_GETOLEINTERFACE", "EM_GETPARAFORMAT", "EM_GETSELTEXT", "EM_HIDESELECTION", "EM_PASTESPECIAL", "EM_REQUESTRESIZE", "EM_SELECTIONTYPE", "EM_SETBKGNDCOLOR", "EM_SETCHARFORMAT", "EM_SETEVENTMASK", "EM_SETOLECALLBACK", "EM_SETPARAFORMAT", "EM_SETTARGETDEVICE", "EM_STREAMIN", "EM_STREAMOUT", "EM_GETTEXTRANGE", "EM_FINDWORDBREAK", "EM_SETOPTIONS", "EM_GETOPTIONS", "EM_FINDTEXTEX", "EM_GETWORDBREAKPROCEX", "EM_SETWORDBREAKPROCEX", "EM_SETUNDOLIMIT", "EM_UNKNOWN_USER_83", "EM_REDO", "EM_CANREDO", "EM_GETUNDONAME", "EM_GETREDONAME", "EM_STOPGROUPTYPING", "EM_SETTEXTMODE", "EM_GETTEXTMODE", "EM_AUTOURLDETECT", "EM_GETAUTOURLDETECT", "EM_SETPALETTE", "EM_GETTEXTEX", "EM_GETTEXTLENGTHEX", "EM_SHOWSCROLLBAR", "EM_SETTEXTEX", "EM_UNKNOWN_USER_98", "EM_UNKNOWN_USER_99", "EM_SETPUNCTUATION", "EM_GETPUNCTUATION", "EM_SETWORDWRAPMODE", "EM_GETWORDWRAPMODE", "EM_SETIMECOLOR", "EM_GETIMECOLOR", "EM_SETIMEOPTIONS", "EM_GETIMEOPTIONS", "EM_CONVPOSITION", "EM_UNKNOWN_USER_109", "EM_UNKNOWN_USER_110", "EM_UNKNOWN_USER_111", "EM_UNKNOWN_USER_112", "EM_UNKNOWN_USER_113", "EM_UNKNOWN_USER_114", "EM_UNKNOWN_USER_115", "EM_UNKNOWN_USER_116", "EM_UNKNOWN_USER_117", "EM_UNKNOWN_USER_118", "EM_UNKNOWN_USER_119", "EM_SETLANGOPTIONS", "EM_GETLANGOPTIONS", "EM_GETIMECOMPMODE", "EM_FINDTEXTW", "EM_FINDTEXTEXW", "EM_RECONVERSION", "EM_SETIMEMODEBIAS", "EM_GETIMEMODEBIAS" }; static const char * get_msg_name(UINT msg) { if (msg >= EM_GETSEL && msg <= EM_CHARFROMPOS) return edit_messages[msg - EM_GETSEL]; if (msg >= EM_CANPASTE && msg <= EM_GETIMEMODEBIAS) return richedit_messages[msg - EM_CANPASTE]; return ""; } /****************************************************************** * RichEditANSIWndProc (RICHED20.10) */ LRESULT WINAPI RichEditANSIWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam) { SCROLLINFO si; ME_TextEditor *editor = (ME_TextEditor *)GetWindowLongPtrW(hWnd, 0); TRACE("hWnd %p msg %04x (%s) %08x %08lx\n", hWnd, msg, get_msg_name(msg), wParam, lParam); if (!editor && msg != WM_NCCREATE && msg != WM_NCDESTROY) { ERR("RichEditANSIWndProc called with invalid hWnd %p - application bug?\n", hWnd); return 0; } switch(msg) { UNSUPPORTED_MSG(EM_DISPLAYBAND) UNSUPPORTED_MSG(EM_FINDWORDBREAK) UNSUPPORTED_MSG(EM_FMTLINES) UNSUPPORTED_MSG(EM_FORMATRANGE) UNSUPPORTED_MSG(EM_GETBIDIOPTIONS) UNSUPPORTED_MSG(EM_GETEDITSTYLE) UNSUPPORTED_MSG(EM_GETIMECOMPMODE) /* UNSUPPORTED_MSG(EM_GETIMESTATUS) missing in Wine headers */ UNSUPPORTED_MSG(EM_GETLANGOPTIONS) /* UNSUPPORTED_MSG(EM_GETOLEINTERFACE) separate stub */ UNSUPPORTED_MSG(EM_GETREDONAME) UNSUPPORTED_MSG(EM_GETTEXTMODE) UNSUPPORTED_MSG(EM_GETTYPOGRAPHYOPTIONS) UNSUPPORTED_MSG(EM_GETUNDONAME) UNSUPPORTED_MSG(EM_GETWORDBREAKPROCEX) UNSUPPORTED_MSG(EM_LIMITTEXT) /* also known as EM_SETLIMITTEXT */ UNSUPPORTED_MSG(EM_PASTESPECIAL) UNSUPPORTED_MSG(EM_SELECTIONTYPE) UNSUPPORTED_MSG(EM_SETBIDIOPTIONS) UNSUPPORTED_MSG(EM_SETEDITSTYLE) UNSUPPORTED_MSG(EM_SETFONTSIZE) UNSUPPORTED_MSG(EM_SETLANGOPTIONS) UNSUPPORTED_MSG(EM_SETPALETTE) UNSUPPORTED_MSG(EM_SETTABSTOPS) UNSUPPORTED_MSG(EM_SETTARGETDEVICE) UNSUPPORTED_MSG(EM_SETTYPOGRAPHYOPTIONS) UNSUPPORTED_MSG(EM_SETWORDBREAKPROCEX) UNSUPPORTED_MSG(WM_STYLECHANGING) UNSUPPORTED_MSG(WM_STYLECHANGED) /* UNSUPPORTED_MSG(WM_UNICHAR) FIXME missing in Wine headers */ /* Messages specific to Richedit controls */ case EM_STREAMIN: return ME_StreamIn(editor, wParam, (EDITSTREAM*)lParam); case EM_STREAMOUT: return ME_StreamOut(editor, wParam, (EDITSTREAM *)lParam); case WM_GETDLGCODE: { UINT code = DLGC_WANTCHARS|DLGC_WANTARROWS; if (GetWindowLongW(hWnd, GWL_STYLE)&ES_WANTRETURN) code |= 0; /* FIXME what can we do here ? ask for messages and censor them ? */ return code; } case WM_NCCREATE: { CREATESTRUCTW *pcs = (CREATESTRUCTW *)lParam; TRACE("WM_NCCREATE: style 0x%08lx\n", pcs->style); editor = ME_MakeEditor(hWnd); SetWindowLongPtrW(hWnd, 0, (LONG_PTR)editor); pcs = 0; /* ignore */ return TRUE; } case EM_EMPTYUNDOBUFFER: ME_EmptyUndoStack(editor); return 0; case EM_GETSEL: { /* Note: wParam/lParam can be NULL */ UINT from, to; PUINT pfrom = wParam ? (PUINT)wParam : &from; PUINT pto = lParam ? (PUINT)lParam : &to; ME_GetSelection(editor, (int *)pfrom, (int *)pto); if ((*pfrom|*pto) & 0xFFFF0000) return -1; return MAKELONG(*pfrom,*pto); } case EM_EXGETSEL: { CHARRANGE *pRange = (CHARRANGE *)lParam; ME_GetSelection(editor, (int *)&pRange->cpMin, (int *)&pRange->cpMax); TRACE("EM_EXGETSEL = (%ld,%ld)\n", pRange->cpMin, pRange->cpMax); return 0; } case EM_SETUNDOLIMIT: { if ((int)wParam < 0) editor->nUndoLimit = STACK_SIZE_DEFAULT; else editor->nUndoLimit = min(wParam, STACK_SIZE_MAX); /* Setting a max stack size keeps wine from getting killed for hogging memory. Windows allocates all this memory at once, so no program would realistically set a value above our maxiumum. */ return editor->nUndoLimit; } case EM_CANUNDO: return editor->pUndoStack != NULL; case EM_CANREDO: return editor->pRedoStack != NULL; case WM_UNDO: /* FIXME: actually not the same */ case EM_UNDO: ME_Undo(editor); return 0; case EM_REDO: ME_Redo(editor); return 0; case EM_GETOPTIONS: { /* these flags are equivalent to the ES_* counterparts */ DWORD mask = ECO_VERTICAL | ECO_AUTOHSCROLL | ECO_AUTOVSCROLL | ECO_NOHIDESEL | ECO_READONLY | ECO_WANTRETURN; DWORD settings = GetWindowLongW(hWnd, GWL_STYLE) & mask; return settings; } case EM_SETOPTIONS: { /* these flags are equivalent to ES_* counterparts * ECO_READONLY is already implemented in the code, only requires * setting the bit to work */ DWORD mask = ECO_VERTICAL | ECO_AUTOHSCROLL | ECO_AUTOVSCROLL | ECO_NOHIDESEL | ECO_READONLY | ECO_WANTRETURN; DWORD raw = GetWindowLongW(hWnd, GWL_STYLE); DWORD settings = mask & raw; switch(wParam) { case ECOOP_SET: settings = lParam; break; case ECOOP_OR: settings |= lParam; break; case ECOOP_AND: settings &= lParam; break; case ECOOP_XOR: settings ^= lParam; } SetWindowLongW(hWnd, GWL_STYLE, (raw & ~mask) | (settings & mask)); if (lParam & ECO_AUTOWORDSELECTION) FIXME("ECO_AUTOWORDSELECTION not implemented yet!\n"); if (lParam & ECO_SELECTIONBAR) FIXME("ECO_SELECTIONBAR not implemented yet!\n"); if (lParam & ECO_VERTICAL) FIXME("ECO_VERTICAL not implemented yet!\n"); if (lParam & ECO_AUTOHSCROLL) FIXME("ECO_AUTOHSCROLL not implemented yet!\n"); if (lParam & ECO_AUTOVSCROLL) FIXME("ECO_AUTOVSCROLL not implemented yet!\n"); if (lParam & ECO_NOHIDESEL) FIXME("ECO_NOHIDESEL not implemented yet!\n"); if (lParam & ECO_WANTRETURN) FIXME("ECO_WANTRETURN not implemented yet!\n"); return settings; } case EM_SETSEL: { ME_InvalidateSelection(editor); ME_SetSelection(editor, wParam, lParam); ME_InvalidateSelection(editor); ME_SendSelChange(editor); return 0; } case EM_SETSCROLLPOS: { POINT *point = (POINT *)lParam; /* Native behavior when point->y is too large is very odd / dosn't follow MSDN. This seems to be a pretty close approximation of what it does. */ ME_Scroll(editor, 0, -(min(point->y, (editor->nTotalLength - 1)) - editor->nScrollPosY)); return 0; } case EM_AUTOURLDETECT: { if (wParam==1 || wParam ==0) { editor->AutoURLDetect_bEnable = (BOOL)wParam; return 0; } return E_INVALIDARG; } case EM_GETAUTOURLDETECT: { return editor->AutoURLDetect_bEnable; } case EM_EXSETSEL: { CHARRANGE *pRange = (CHARRANGE *)lParam; TRACE("EM_EXSETSEL (%ld,%ld)\n", pRange->cpMin, pRange->cpMax); ME_InvalidateSelection(editor); ME_SetSelection(editor, pRange->cpMin, pRange->cpMax); ME_InvalidateSelection(editor); ME_SendSelChange(editor); return 0; } case EM_SHOWSCROLLBAR: { if (wParam == SB_VERT) editor->bScrollY = lParam; else if (wParam == SB_HORZ) editor->bScrollX = lParam; ME_UpdateScrollBar(editor); return 0; } case EM_SETTEXTEX: { LPWSTR wszText = (LPWSTR)lParam; SETTEXTEX *pStruct = (SETTEXTEX *)wParam; size_t len = wszText ? lstrlenW(wszText) : 0; int from, to; ME_Style *style; TRACE("EM_SETTEXEX - %s, flags %d, cp %d\n", debugstr_w(wszText), (int)pStruct->flags, pStruct->codepage); if (pStruct->codepage != 1200) { FIXME("EM_SETTEXTEX only supports unicode right now!\n"); return 0; } /* FIXME: this should support RTF strings too, according to MSDN */ if (pStruct->flags & ST_SELECTION) { ME_GetSelection(editor, &from, &to); style = ME_GetSelectionInsertStyle(editor); ME_InternalDeleteText(editor, from, to - from); ME_InsertTextFromCursor(editor, 0, wszText, len, style); ME_ReleaseStyle(style); } else { ME_InternalDeleteText(editor, 0, ME_GetTextLength(editor)); ME_InsertTextFromCursor(editor, 0, wszText, len, editor->pBuffer->pDefaultStyle); len = 1; } ME_CommitUndo(editor); if (!(pStruct->flags & ST_KEEPUNDO)) ME_EmptyUndoStack(editor); ME_UpdateRepaint(editor); return len; } case EM_SETBKGNDCOLOR: { LRESULT lColor = ME_GetBackColor(editor); if (editor->rgbBackColor != -1) DeleteObject(editor->hbrBackground); if (wParam) { editor->rgbBackColor = -1; editor->hbrBackground = GetSysColorBrush(COLOR_WINDOW); } else { editor->rgbBackColor = lParam; editor->hbrBackground = CreateSolidBrush(editor->rgbBackColor); } if (editor->bRedraw) { InvalidateRect(hWnd, NULL, TRUE); UpdateWindow(hWnd); } return lColor; } case EM_GETMODIFY: return editor->nModifyStep == 0 ? 0 : 1; case EM_SETMODIFY: { if (wParam) editor->nModifyStep = 0x80000000; else editor->nModifyStep = 0; return 0; } case EM_SETREADONLY: { long nStyle = GetWindowLongW(hWnd, GWL_STYLE); if (wParam) nStyle |= ES_READONLY; else nStyle &= ~ES_READONLY; SetWindowLongW(hWnd, GWL_STYLE, nStyle); return 0; } case EM_SETEVENTMASK: { DWORD nOldMask = editor->nEventMask; editor->nEventMask = lParam; return nOldMask; } case EM_GETEVENTMASK: return editor->nEventMask; case EM_SETCHARFORMAT: { CHARFORMAT2W buf, *p; BOOL bRepaint = TRUE; p = ME_ToCF2W(&buf, (CHARFORMAT2W *)lParam); if (!wParam || (editor->mode & TM_PLAINTEXT)) ME_SetDefaultCharFormat(editor, p); else if (wParam == (SCF_WORD | SCF_SELECTION)) FIXME("EM_SETCHARFORMAT: word selection not supported\n"); else if (wParam == SCF_ALL) ME_SetCharFormat(editor, 0, ME_GetTextLength(editor), p); else { int from, to; ME_GetSelection(editor, &from, &to); bRepaint = (from != to); ME_SetSelectionCharFormat(editor, p); } ME_CommitUndo(editor); if (bRepaint) ME_UpdateRepaint(editor); return 0; } case EM_GETCHARFORMAT: { CHARFORMAT2W tmp, *dst = (CHARFORMAT2W *)lParam; if (dst->cbSize != sizeof(CHARFORMATA) && dst->cbSize != sizeof(CHARFORMATW) && dst->cbSize != sizeof(CHARFORMAT2A) && dst->cbSize != sizeof(CHARFORMAT2W)) return 0; tmp.cbSize = sizeof(tmp); if (!wParam) ME_GetDefaultCharFormat(editor, &tmp); else ME_GetSelectionCharFormat(editor, &tmp); ME_CopyToCFAny(dst, &tmp); return tmp.dwMask; } case EM_SETPARAFORMAT: ME_SetSelectionParaFormat(editor, (PARAFORMAT2 *)lParam); ME_UpdateRepaint(editor); ME_CommitUndo(editor); return 0; case EM_GETPARAFORMAT: ME_GetSelectionParaFormat(editor, (PARAFORMAT2 *)lParam); return 0; case EM_GETFIRSTVISIBLELINE: { ME_DisplayItem *p = editor->pBuffer->pFirst; int y = editor->nScrollPosY; int ypara = 0; int count = 0; int ystart, yend; while(p) { p = ME_FindItemFwd(p, diStartRowOrParagraphOrEnd); if (p->type == diTextEnd) break; if (p->type == diParagraph) { ypara = p->member.para.nYPos; continue; } ystart = ypara + p->member.row.nYPos; yend = ystart + p->member.row.nHeight; if (y < yend) { break; } count++; } return count; } case EM_HIDESELECTION: { editor->bHideSelection = (wParam != 0); ME_InvalidateSelection(editor); return 0; } case EM_LINESCROLL: { int nPos = editor->nScrollPosY, nEnd= editor->nTotalLength - editor->sizeWindow.cy; nPos += 8 * lParam; /* FIXME follow the original */ if (nPos>=nEnd) nPos = nEnd; if (nPos<0) nPos = 0; if (nPos != editor->nScrollPosY) { int dy = editor->nScrollPosY - nPos; editor->nScrollPosY = nPos; SetScrollPos(hWnd, SB_VERT, nPos, TRUE); if (editor->bRedraw) { ScrollWindow(hWnd, 0, dy, NULL, NULL); UpdateWindow(hWnd); } } return TRUE; /* Should return false if a single line richedit control */ } case WM_CLEAR: { int from, to; ME_GetSelection(editor, &from, &to); ME_InternalDeleteText(editor, from, to-from); ME_CommitUndo(editor); ME_UpdateRepaint(editor); return 0; } case EM_REPLACESEL: { int from, to; ME_Style *style; LPWSTR wszText = ME_ToUnicode(hWnd, (void *)lParam); size_t len = lstrlenW(wszText); TRACE("EM_REPLACESEL - %s\n", debugstr_w(wszText)); ME_GetSelection(editor, &from, &to); style = ME_GetSelectionInsertStyle(editor); ME_InternalDeleteText(editor, from, to-from); ME_InsertTextFromCursor(editor, 0, wszText, len, style); ME_ReleaseStyle(style); ME_EndToUnicode(hWnd, wszText); /* drop temporary style if line end */ /* FIXME question: does abc\n mean: put abc, clear temp style, put \n? (would require a change) */ if (len>0 && wszText[len-1] == '\n') ME_ClearTempStyle(editor); ME_CommitUndo(editor); if (!wParam) ME_EmptyUndoStack(editor); ME_UpdateRepaint(editor); return 0; } case EM_SCROLLCARET: { int top, bottom; /* row's edges relative to document top */ ME_DisplayItem *para, *row; row = ME_RowStart(editor->pCursors[0].pRun); para = ME_GetParagraph(row); top = para->member.para.nYPos + row->member.row.nYPos; bottom = top + row->member.row.nHeight; if ((top < editor->nScrollPosY) || (editor->nScrollPosY + editor->sizeWindow.cy < bottom)) { int dy; int prevScrollPosY = editor->nScrollPosY; if (top < editor->nScrollPosY) /* caret above window */ editor->nScrollPosY = top; else /* caret below window */ editor->nScrollPosY = bottom - editor->sizeWindow.cy; if (editor->nScrollPosY < 0) editor->nScrollPosY = 0; dy = prevScrollPosY - editor->nScrollPosY; SetScrollPos(hWnd, SB_VERT, editor->nScrollPosY, TRUE); if (editor->bRedraw) { ScrollWindow(hWnd, 0, dy, NULL, NULL); UpdateWindow(hWnd); } } return 0; } case WM_SETFONT: { LOGFONTW lf; CHARFORMAT2W fmt; HDC hDC; BOOL bRepaint = LOWORD(lParam); if (!wParam) wParam = (WPARAM)GetStockObject(SYSTEM_FONT); GetObjectW((HGDIOBJ)wParam, sizeof(LOGFONTW), &lf); hDC = GetDC(hWnd); ME_CharFormatFromLogFont(hDC, &lf, &fmt); ReleaseDC(hWnd, hDC); ME_SetCharFormat(editor, 0, ME_GetTextLength(editor), &fmt); ME_SetDefaultCharFormat(editor, &fmt); ME_CommitUndo(editor); if (bRepaint) ME_UpdateRepaint(editor); return 0; } case WM_SETTEXT: { ME_InternalDeleteText(editor, 0, ME_GetTextLength(editor)); if (lParam) { TRACE("WM_SETTEXT lParam==%lx\n",lParam); if (!IsWindowUnicode(hWnd) && !strncmp((char *)lParam, "{\\rtf", 5)) { /* Undocumented: WM_SETTEXT supports RTF text */ ME_StreamInRTFString(editor, 0, (char *)lParam); } else { LPWSTR wszText = ME_ToUnicode(hWnd, (void *)lParam); TRACE("WM_SETTEXT - %s\n", debugstr_w(wszText)); /* debugstr_w() */ if (lstrlenW(wszText) > 0) { /* uses default style! */ ME_InsertTextFromCursor(editor, 0, wszText, -1, editor->pBuffer->pDefaultStyle); } ME_EndToUnicode(hWnd, wszText); } } else TRACE("WM_SETTEXT - NULL\n"); ME_CommitUndo(editor); ME_EmptyUndoStack(editor); ME_SetSelection(editor, 0, 0); ME_UpdateRepaint(editor); return 0; } case EM_CANPASTE: { UINT nRTFFormat = RegisterClipboardFormatA("Rich Text Format"); if (IsClipboardFormatAvailable(nRTFFormat)) return TRUE; if (IsClipboardFormatAvailable(CF_UNICODETEXT)) return TRUE; return FALSE; } case WM_PASTE: { DWORD dwFormat = 0; EDITSTREAM es; ME_GlobalDestStruct gds; UINT nRTFFormat = RegisterClipboardFormatA("Rich Text Format"); UINT cf = 0; if (IsClipboardFormatAvailable(nRTFFormat)) cf = nRTFFormat, dwFormat = SF_RTF; else if (IsClipboardFormatAvailable(CF_UNICODETEXT)) cf = CF_UNICODETEXT, dwFormat = SF_TEXT|SF_UNICODE; else return 0; if (!OpenClipboard(hWnd)) return 0; gds.hData = GetClipboardData(cf); gds.nLength = 0; es.dwCookie = (DWORD)&gds; es.pfnCallback = dwFormat == SF_RTF ? ME_ReadFromHGLOBALRTF : ME_ReadFromHGLOBALUnicode; ME_StreamIn(editor, dwFormat|SFF_SELECTION, &es); CloseClipboard(); return 0; } case WM_CUT: case WM_COPY: { LPDATAOBJECT dataObj = NULL; CHARRANGE range; HRESULT hr = S_OK; if (editor->cPasswordMask) return 0; /* Copying or Cutting masked text isn't allowed */ ME_GetSelection(editor, (int*)&range.cpMin, (int*)&range.cpMax); if(editor->lpOleCallback) hr = IRichEditOleCallback_GetClipboardData(editor->lpOleCallback, &range, RECO_COPY, &dataObj); if(FAILED(hr) || !dataObj) hr = ME_GetDataObject(editor, &range, &dataObj); if(SUCCEEDED(hr)) { hr = OleSetClipboard(dataObj); IDataObject_Release(dataObj); } if (SUCCEEDED(hr) && msg == WM_CUT) { ME_InternalDeleteText(editor, range.cpMin, range.cpMax-range.cpMin); ME_CommitUndo(editor); ME_UpdateRepaint(editor); } return 0; } case WM_GETTEXTLENGTH: return ME_GetTextLength(editor); case EM_GETTEXTLENGTHEX: return ME_GetTextLengthEx(editor, (GETTEXTLENGTHEX *)wParam); case WM_GETTEXT: { TEXTRANGEW tr; /* W and A differ only by rng->lpstrText */ tr.chrg.cpMin = 0; tr.chrg.cpMax = wParam-1; tr.lpstrText = (WCHAR *)lParam; return RichEditANSIWndProc(hWnd, EM_GETTEXTRANGE, 0, (LPARAM)&tr); } case EM_GETTEXTEX: { GETTEXTEX *ex = (GETTEXTEX*)wParam; int nStart, nCount; if (ex->flags & ~(GT_SELECTION | GT_USECRLF)) FIXME("GETTEXTEX flags 0x%08lx not supported\n", ex->flags & ~(GT_SELECTION | GT_USECRLF)); if (ex->flags & GT_SELECTION) { ME_GetSelection(editor, &nStart, &nCount); nCount -= nStart; nCount = min(nCount, ex->cb - 1); } else { nStart = 0; nCount = ex->cb - 1; } if (ex->codepage == 1200 || IsWindowUnicode(hWnd)) { nCount = min(nCount, ex->cb / sizeof(WCHAR) - 1); return ME_GetTextW(editor, (LPWSTR)lParam, nStart, nCount, ex->flags & GT_USECRLF); } else { /* potentially each char may be a CR, why calculate the exact value with O(N) when we can just take a bigger buffer? :) */ int crlfmul = (ex->flags & GT_USECRLF) ? 2 : 1; LPWSTR buffer = HeapAlloc(GetProcessHeap(), 0, (crlfmul*nCount + 1) * sizeof(WCHAR)); DWORD buflen = ex->cb; LRESULT rc; DWORD flags = 0; buflen = ME_GetTextW(editor, buffer, nStart, nCount, ex->flags & GT_USECRLF); rc = WideCharToMultiByte(ex->codepage, flags, buffer, -1, (LPSTR)lParam, ex->cb, ex->lpDefaultChar, ex->lpUsedDefaultChar); HeapFree(GetProcessHeap(),0,buffer); return rc; } } case EM_GETSELTEXT: { int from, to; TEXTRANGEW tr; /* W and A differ only by rng->lpstrText */ ME_GetSelection(editor, &from, &to); tr.chrg.cpMin = from; tr.chrg.cpMax = to; tr.lpstrText = (WCHAR *)lParam; return RichEditANSIWndProc(hWnd, EM_GETTEXTRANGE, 0, (LPARAM)&tr); } case EM_GETSCROLLPOS: { POINT *point = (POINT *)lParam; point->x = 0; /* FIXME side scrolling not implemented */ point->y = editor->nScrollPosY; return 1; } case EM_GETTEXTRANGE: { TEXTRANGEW *rng = (TEXTRANGEW *)lParam; TRACE("EM_GETTEXTRANGE min=%ld max=%ld unicode=%d emul1.0=%d length=%d\n", rng->chrg.cpMin, rng->chrg.cpMax, IsWindowUnicode(hWnd), editor->bEmulateVersion10, ME_GetTextLength(editor)); if (IsWindowUnicode(hWnd)) return ME_GetTextW(editor, rng->lpstrText, rng->chrg.cpMin, rng->chrg.cpMax-rng->chrg.cpMin, editor->bEmulateVersion10); else { int nLen = rng->chrg.cpMax-rng->chrg.cpMin; WCHAR *p = ALLOC_N_OBJ(WCHAR, nLen+1); int nChars = ME_GetTextW(editor, p, rng->chrg.cpMin, nLen, editor->bEmulateVersion10); /* FIXME this is a potential security hole (buffer overrun) if you know more about wchar->mbyte conversion please explain */ WideCharToMultiByte(CP_ACP, 0, p, nChars+1, (char *)rng->lpstrText, nLen+1, NULL, NULL); FREE_OBJ(p); return nChars; } } case EM_GETLINE: { ME_DisplayItem *run; const BOOL bUnicode = IsWindowUnicode(hWnd); const unsigned int nMaxChars = *(WORD *) lParam; unsigned int nEndChars, nCharsLeft = nMaxChars; char *dest = (char *) lParam; /* rich text editor 1.0 uses \r\n for line end, 2.0 uses just \r; we need to know how if we have the extra \n or not */ int nLF = editor->bEmulateVersion10; TRACE("EM_GETLINE: row=%d, nMaxChars=%d (%s)\n", (int) wParam, nMaxChars, bUnicode ? "Unicode" : "Ansi"); run = ME_FindRowWithNumber(editor, wParam); if (run == NULL) return 0; while (nCharsLeft && (run = ME_FindItemFwd(run, diRunOrStartRow)) && !(run->member.run.nFlags & MERF_ENDPARA)) { unsigned int nCopy; ME_String *strText; if (run->type != diRun) break; strText = run->member.run.strText; nCopy = min(nCharsLeft, strText->nLen); if (bUnicode) lstrcpynW((LPWSTR) dest, strText->szData, nCopy); else nCopy = WideCharToMultiByte(CP_ACP, 0, strText->szData, nCopy, dest, nCharsLeft, NULL, NULL); dest += nCopy * (bUnicode ? sizeof(WCHAR) : 1); nCharsLeft -= nCopy; } /* append \r\0 (or \r\n\0 in 1.0), space allowing */ nEndChars = min(nCharsLeft, 2 + nLF); nCharsLeft -= nEndChars; if (bUnicode) { const WCHAR src[] = {'\r', '\0'}; const WCHAR src10[] = {'\r', '\n', '\0'}; lstrcpynW((LPWSTR) dest, nLF ? src10 : src, nEndChars); } else lstrcpynA(dest, nLF ? "\r\n" : "\r", nEndChars); TRACE("EM_GETLINE: got %u bytes\n", nMaxChars - nCharsLeft); if (nEndChars == 2 + nLF) return nMaxChars - nCharsLeft - 1; /* don't count \0 */ else return nMaxChars - nCharsLeft; } case EM_GETLINECOUNT: { ME_DisplayItem *item = editor->pBuffer->pFirst->next; int nRows = 0; while (item != editor->pBuffer->pLast) { assert(item->type == diParagraph); nRows += item->member.para.nRows; item = item->member.para.next_para; } TRACE("EM_GETLINECOUNT: nRows==%d\n", nRows); return max(1, nRows); } case EM_LINEFROMCHAR: { if (wParam == -1) return ME_RowNumberFromCharOfs(editor, ME_GetCursorOfs(editor, 1)); else return ME_RowNumberFromCharOfs(editor, wParam); } case EM_EXLINEFROMCHAR: { if (lParam == -1) return ME_RowNumberFromCharOfs(editor, ME_GetCursorOfs(editor,1)); else return ME_RowNumberFromCharOfs(editor, lParam); } case EM_LINEINDEX: { ME_DisplayItem *item, *para; int nCharOfs; if (wParam == -1) item = ME_FindItemBack(editor->pCursors[0].pRun, diStartRow); else item = ME_FindRowWithNumber(editor, wParam); if (!item) return -1; para = ME_GetParagraph(item); item = ME_FindItemFwd(item, diRun); nCharOfs = para->member.para.nCharOfs + item->member.run.nCharOfs; TRACE("EM_LINEINDEX: nCharOfs==%d\n", nCharOfs); return nCharOfs; } case EM_LINELENGTH: { ME_DisplayItem *item, *item_end; int nChars = 0, nThisLineOfs = 0, nNextLineOfs = 0; if (wParam > ME_GetTextLength(editor)) return 0; if (wParam == -1) { FIXME("EM_LINELENGTH: returning number of unselected characters on lines with selection unsupported.\n"); return 0; } item = ME_FindItemAtOffset(editor, diRun, wParam, NULL); item = ME_RowStart(item); nThisLineOfs = ME_CharOfsFromRunOfs(editor, ME_FindItemFwd(item, diRun), 0); item_end = ME_FindItemFwd(item, diStartRowOrParagraphOrEnd); if (item_end->type == diStartRow) nNextLineOfs = ME_CharOfsFromRunOfs(editor, ME_FindItemFwd(item_end, diRun), 0); else nNextLineOfs = ME_FindItemFwd(item, diParagraphOrEnd)->member.para.nCharOfs - (editor->bEmulateVersion10?2:1); nChars = nNextLineOfs - nThisLineOfs; TRACE("EM_LINELENGTH(%d)==%d\n",wParam, nChars); return nChars; } case EM_EXLIMITTEXT: { if (wParam != 0 || lParam < 0) return 0; if (lParam == 0) editor->nTextLimit = 65536; else editor->nTextLimit = (int) lParam; return 0; } case EM_GETLIMITTEXT: { return editor->nTextLimit; } case EM_FINDTEXT: { FINDTEXTA *ft = (FINDTEXTA *)lParam; int nChars = MultiByteToWideChar(CP_ACP, 0, ft->lpstrText, -1, NULL, 0); WCHAR *tmp; if ((tmp = ALLOC_N_OBJ(WCHAR, nChars)) != NULL) MultiByteToWideChar(CP_ACP, 0, ft->lpstrText, -1, tmp, nChars); return ME_FindText(editor, wParam, &ft->chrg, tmp, NULL); } case EM_FINDTEXTEX: { FINDTEXTEXA *ex = (FINDTEXTEXA *)lParam; int nChars = MultiByteToWideChar(CP_ACP, 0, ex->lpstrText, -1, NULL, 0); WCHAR *tmp; if ((tmp = ALLOC_N_OBJ(WCHAR, nChars)) != NULL) MultiByteToWideChar(CP_ACP, 0, ex->lpstrText, -1, tmp, nChars); return ME_FindText(editor, wParam, &ex->chrg, tmp, &ex->chrgText); } case EM_FINDTEXTW: { FINDTEXTW *ft = (FINDTEXTW *)lParam; return ME_FindText(editor, wParam, &ft->chrg, ft->lpstrText, NULL); } case EM_FINDTEXTEXW: { FINDTEXTEXW *ex = (FINDTEXTEXW *)lParam; return ME_FindText(editor, wParam, &ex->chrg, ex->lpstrText, &ex->chrgText); } case EM_GETZOOM: if (!wParam || !lParam) return FALSE; *(int *)wParam = editor->nZoomNumerator; *(int *)lParam = editor->nZoomDenominator; return TRUE; case EM_SETZOOM: return ME_SetZoom(editor, wParam, lParam); case EM_CHARFROMPOS: return ME_CharFromPos(editor, ((POINTL *)lParam)->x, ((POINTL *)lParam)->y); case EM_POSFROMCHAR: { ME_DisplayItem *pRun; int nCharOfs, nOffset, nLength; POINTL pt = {0,0}; nCharOfs = wParam; /* detect which API version we're dealing with */ if (wParam >= 0x40000) nCharOfs = lParam; nLength = ME_GetTextLength(editor); if (nCharOfs < nLength) { ME_RunOfsFromCharOfs(editor, nCharOfs, &pRun, &nOffset); assert(pRun->type == diRun); pt.y = pRun->member.run.pt.y; pt.x = pRun->member.run.pt.x + ME_PointFromChar(editor, &pRun->member.run, nOffset); pt.y += ME_GetParagraph(pRun)->member.para.nYPos; } else { pt.x = 0; pt.y = editor->pBuffer->pLast->member.para.nYPos; } if (wParam >= 0x40000) { *(POINTL *)wParam = pt; } return MAKELONG( pt.x, pt.y ); } case WM_CREATE: if (GetWindowLongW(hWnd, GWL_STYLE) & WS_HSCROLL) { /* Squelch the default horizontal scrollbar it would make */ si.cbSize = sizeof(SCROLLINFO); si.fMask = SIF_POS | SIF_RANGE; si.nMax = 0; si.nMin = 0; si.nPos = 0; SetScrollInfo(hWnd, SB_HORZ, &si, FALSE); } ME_CommitUndo(editor); ME_WrapMarkedParagraphs(editor); ME_MoveCaret(editor); return 0; case WM_DESTROY: ME_DestroyEditor(editor); SetWindowLongPtrW(hWnd, 0, 0); return 0; case WM_LBUTTONDOWN: SetFocus(hWnd); ME_LButtonDown(editor, (short)LOWORD(lParam), (short)HIWORD(lParam)); SetCapture(hWnd); ME_LinkNotify(editor,msg,wParam,lParam); break; case WM_MOUSEMOVE: if (GetCapture() == hWnd) ME_MouseMove(editor, (short)LOWORD(lParam), (short)HIWORD(lParam)); ME_LinkNotify(editor,msg,wParam,lParam); break; case WM_LBUTTONUP: if (GetCapture() == hWnd) ReleaseCapture(); ME_LinkNotify(editor,msg,wParam,lParam); break; case WM_LBUTTONDBLCLK: ME_LinkNotify(editor,msg,wParam,lParam); ME_SelectWord(editor); break; case WM_CONTEXTMENU: ME_ShowContextMenu(editor, (short)LOWORD(lParam), (short)HIWORD(lParam)); break; case WM_PAINT: if (editor->bRedraw) { HDC hDC; PAINTSTRUCT ps; hDC = BeginPaint(hWnd, &ps); ME_PaintContent(editor, hDC, FALSE, &ps.rcPaint); EndPaint(hWnd, &ps); } break; case WM_SETFOCUS: ME_ShowCaret(editor); ME_SendOldNotify(editor, EN_SETFOCUS); return 0; case WM_KILLFOCUS: ME_HideCaret(editor); ME_SendOldNotify(editor, EN_KILLFOCUS); return 0; case WM_ERASEBKGND: { if (editor->bRedraw) { HDC hDC = (HDC)wParam; RECT rc; if (GetUpdateRect(hWnd,&rc,TRUE)) { FillRect(hDC, &rc, editor->hbrBackground); } } return 1; } case WM_COMMAND: TRACE("editor wnd command = %d\n", LOWORD(wParam)); return 0; case WM_KEYDOWN: if (ME_KeyDown(editor, LOWORD(wParam))) return 0; goto do_default; case WM_CHAR: { WCHAR wstr = LOWORD(wParam); if (editor->AutoURLDetect_bEnable) ME_AutoURLDetect(editor, wstr); switch (wstr) { case 1: /* Ctrl-A */ ME_SetSelection(editor, 0, -1); return 0; case 3: /* Ctrl-C */ SendMessageW(editor->hWnd, WM_COPY, 0, 0); return 0; } if (GetWindowLongW(editor->hWnd, GWL_STYLE) & ES_READONLY) { MessageBeep(MB_ICONERROR); return 0; /* FIXME really 0 ? */ } switch (wstr) { case 22: /* Ctrl-V */ SendMessageW(editor->hWnd, WM_PASTE, 0, 0); return 0; case 24: /* Ctrl-X */ SendMessageW(editor->hWnd, WM_CUT, 0, 0); return 0; case 25: /* Ctrl-Y */ SendMessageW(editor->hWnd, EM_REDO, 0, 0); return 0; case 26: /* Ctrl-Z */ SendMessageW(editor->hWnd, EM_UNDO, 0, 0); return 0; } if (((unsigned)wstr)>=' ' || wstr=='\r' || wstr=='\t') { /* FIXME maybe it would make sense to call EM_REPLACESEL instead ? */ ME_Style *style = ME_GetInsertStyle(editor, 0); ME_SaveTempStyle(editor); ME_InsertTextFromCursor(editor, 0, &wstr, 1, style); ME_ReleaseStyle(style); ME_CommitUndo(editor); ME_UpdateRepaint(editor); } return 0; } case EM_SCROLL: /* fall through */ case WM_VSCROLL: { int nEnd; int nPos = editor->nScrollPosY; int origNPos = nPos; int lineHeight = 24; si.cbSize = sizeof(SCROLLINFO); si.fMask = SIF_PAGE|SIF_POS|SIF_RANGE|SIF_TRACKPOS; GetScrollInfo(hWnd, SB_VERT, &si); if (editor && editor->pBuffer && editor->pBuffer->pDefaultStyle) lineHeight = editor->pBuffer->pDefaultStyle->tm.tmHeight; if (lineHeight <= 0) lineHeight = 24; switch(LOWORD(wParam)) { case SB_LINEUP: nPos -= lineHeight; if (nPos<0) nPos = 0; break; case SB_LINEDOWN: { nEnd = editor->nTotalLength - editor->sizeWindow.cy; if (nEnd < 0) nEnd = 0; nPos += lineHeight; if (nPos>=nEnd) nPos = nEnd; break; } case SB_PAGEUP: nPos -= editor->sizeWindow.cy; if (nPos<0) nPos = 0; break; case SB_PAGEDOWN: nEnd = editor->nTotalLength - editor->sizeWindow.cy; if (nEnd < 0) nEnd = 0; nPos += editor->sizeWindow.cy; if (nPos>=nEnd) nPos = nEnd; break; case SB_THUMBTRACK: case SB_THUMBPOSITION: nPos = si.nTrackPos; break; } if (nPos != editor->nScrollPosY) { int dy = editor->nScrollPosY - nPos; editor->nScrollPosY = nPos; SetScrollPos(hWnd, SB_VERT, nPos, TRUE); if (editor->bRedraw) { ScrollWindow(hWnd, 0, dy, NULL, NULL); UpdateWindow(hWnd); } } if (msg == EM_SCROLL) return 0x00010000 | (((nPos - origNPos)/lineHeight) & 0xffff); break; } case WM_MOUSEWHEEL: { int gcWheelDelta = 0, nPos = editor->nScrollPosY, nEnd = editor->nTotalLength - editor->sizeWindow.cy; UINT pulScrollLines; SystemParametersInfoW(SPI_GETWHEELSCROLLLINES,0, &pulScrollLines, 0); gcWheelDelta -= GET_WHEEL_DELTA_WPARAM(wParam); if (abs(gcWheelDelta) >= WHEEL_DELTA && pulScrollLines) nPos += pulScrollLines * (gcWheelDelta / WHEEL_DELTA) * 8; /* FIXME follow the original */ if (nPos>=nEnd) nPos = nEnd; if (nPos<0) nPos = 0; if (nPos != editor->nScrollPosY) { int dy = editor->nScrollPosY - nPos; editor->nScrollPosY = nPos; SetScrollPos(hWnd, SB_VERT, nPos, TRUE); if (editor->bRedraw) { ScrollWindow(hWnd, 0, dy, NULL, NULL); UpdateWindow(hWnd); } } break; } case EM_GETRECT: { *((RECT *)lParam) = editor->rcFormat; return 0; } case EM_SETRECT: case EM_SETRECTNP: { if (lParam) { RECT *rc = (RECT *)lParam; if (wParam) { editor->rcFormat.left += rc->left; editor->rcFormat.top += rc->top; editor->rcFormat.right += rc->right; editor->rcFormat.bottom += rc->bottom; } else { editor->rcFormat = *rc; } } else { GetClientRect(hWnd, &editor->rcFormat); } if (msg != EM_SETRECTNP) ME_RewrapRepaint(editor); return 0; } case EM_REQUESTRESIZE: ME_SendRequestResize(editor, TRUE); return 0; case WM_SETREDRAW: editor->bRedraw = wParam; return 0; case WM_SIZE: { GetClientRect(hWnd, &editor->rcFormat); ME_RewrapRepaint(editor); return DefWindowProcW(hWnd, msg, wParam, lParam); } case EM_GETOLEINTERFACE: { LPVOID *ppvObj = (LPVOID*) lParam; return CreateIRichEditOle(editor, ppvObj); } case EM_GETPASSWORDCHAR: { return editor->cPasswordMask; } case EM_SETOLECALLBACK: if(editor->lpOleCallback) IUnknown_Release(editor->lpOleCallback); editor->lpOleCallback = (LPRICHEDITOLECALLBACK)lParam; if(editor->lpOleCallback) IUnknown_AddRef(editor->lpOleCallback); return TRUE; case EM_GETWORDBREAKPROC: return (LRESULT)editor->pfnWordBreak; case EM_SETWORDBREAKPROC: { EDITWORDBREAKPROCW pfnOld = editor->pfnWordBreak; editor->pfnWordBreak = (EDITWORDBREAKPROCW)lParam; return (LRESULT)pfnOld; } case EM_SETTEXTMODE: { LRESULT ret; int mask = 0; int changes = 0; if ((ret = RichEditANSIWndProc(hWnd, WM_GETTEXTLENGTH, 0, 0)) == 0) { /*Check for valid wParam*/ if ((((wParam & TM_RICHTEXT) && ((wParam & TM_PLAINTEXT) << 1))) || (((wParam & TM_MULTILEVELUNDO) && ((wParam & TM_SINGLELEVELUNDO) << 1))) || (((wParam & TM_MULTICODEPAGE) && ((wParam & TM_SINGLECODEPAGE) << 1)))) return 1; else { if (wParam & (TM_RICHTEXT | TM_PLAINTEXT)) { mask |= (TM_RICHTEXT | TM_PLAINTEXT); changes |= (wParam & (TM_RICHTEXT | TM_PLAINTEXT)); } /*FIXME: Currently no support for undo level and code page options*/ editor->mode = (editor->mode & (~mask)) | changes; return 0; } } return ret; } case EM_SETPASSWORDCHAR: { editor->cPasswordMask = wParam; ME_RewrapRepaint(editor); return 0; } default: do_default: return DefWindowProcW(hWnd, msg, wParam, lParam); } return 0L; } /****************************************************************** * RichEdit10ANSIWndProc (RICHED20.9) */ LRESULT WINAPI RichEdit10ANSIWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam) { LRESULT result; /* FIXME: this is NOT the same as 2.0 version */ result = RichEditANSIWndProc(hWnd, msg, wParam, lParam); if (msg == WM_NCCREATE) { ME_TextEditor *editor = (ME_TextEditor *)GetWindowLongPtrW(hWnd, 0); editor->bEmulateVersion10 = TRUE; editor->pBuffer->pLast->member.para.nCharOfs = 2; } return result; } void ME_SendOldNotify(ME_TextEditor *editor, int nCode) { HWND hWnd = editor->hWnd; SendMessageA(GetParent(hWnd), WM_COMMAND, (nCode<<16)|GetWindowLongW(hWnd, GWLP_ID), (LPARAM)hWnd); } void ME_LinkNotify(ME_TextEditor *editor, UINT msg, WPARAM wParam, LPARAM lParam) { int x,y; ME_Cursor tmpCursor; ME_Run *tmpRun; BOOL bNothing; ENLINK info; x = (short)LOWORD(lParam); y = (short)HIWORD(lParam); ME_FindPixelPos(editor, x, y, &tmpCursor, &bNothing); tmpRun = &tmpCursor.pRun->member.run; if (tmpRun->style->fmt.dwMask & CFM_UNDERLINE) FIXME("CFM_UNDERLINE! GASP!\n"); if (tmpRun->style->fmt.dwEffects & CFE_UNDERLINE) FIXME("CFE_UNDERLINE! GASP!\n"); if ((tmpRun->style->fmt.dwMask & CFM_LINK) && (tmpRun->style->fmt.dwEffects & CFE_LINK)) { /* The clicked run has CFE_LINK set */ info.nmhdr.hwndFrom = editor->hWnd; info.nmhdr.idFrom = GetWindowLongW(editor->hWnd, GWLP_ID); info.nmhdr.code = EN_LINK; info.msg = msg; info.wParam = wParam; info.lParam = lParam; info.chrg.cpMin = ME_CharOfsFromRunOfs(editor,tmpCursor.pRun,0); info.chrg.cpMax = info.chrg.cpMin + ME_StrVLen(tmpRun->strText); SendMessageW(GetParent(editor->hWnd), WM_NOTIFY,info.nmhdr.idFrom, (LPARAM)&info); } } int ME_CountParagraphsBetween(ME_TextEditor *editor, int from, int to) { ME_DisplayItem *item = ME_FindItemFwd(editor->pBuffer->pFirst, diParagraph); int i = 0; while(item && item->member.para.next_para->member.para.nCharOfs <= from) item = item->member.para.next_para; if (!item) return 0; while(item && item->member.para.next_para->member.para.nCharOfs <= to) { item = item->member.para.next_para; i++; } return i; } int ME_GetTextW(ME_TextEditor *editor, WCHAR *buffer, int nStart, int nChars, int bCRLF) { ME_DisplayItem *item = ME_FindItemAtOffset(editor, diRun, nStart, &nStart); int nWritten = 0; WCHAR *pStart = buffer; if (!item) { *buffer = L'\0'; return 0; } if (nStart) { int nLen = ME_StrLen(item->member.run.strText) - nStart; if (nLen > nChars) nLen = nChars; CopyMemory(buffer, item->member.run.strText->szData + nStart, sizeof(WCHAR)*nLen); nChars -= nLen; nWritten += nLen; if (!nChars) return nWritten; buffer += nLen; nStart = 0; item = ME_FindItemFwd(item, diRun); } while(nChars && item) { int nLen = ME_StrLen(item->member.run.strText); if (nLen > nChars) nLen = nChars; if (item->member.run.nFlags & MERF_ENDPARA) { if (!ME_FindItemFwd(item, diRun)) /* No '\r' is appended to the last paragraph. */ nLen = 0; else { *buffer = '\r'; if (bCRLF) { *(++buffer) = '\n'; nWritten++; } assert(nLen == 1); /* our end paragraph consists of 2 characters now */ if (editor->bEmulateVersion10) nChars--; } } else CopyMemory(buffer, item->member.run.strText->szData, sizeof(WCHAR)*nLen); nChars -= nLen; nWritten += nLen; buffer += nLen; if (!nChars) { TRACE("nWritten=%d, actual=%d\n", nWritten, buffer-pStart); *buffer = L'\0'; return nWritten; } item = ME_FindItemFwd(item, diRun); } *buffer = L'\0'; TRACE("nWritten=%d, actual=%d\n", nWritten, buffer-pStart); return nWritten; } void ME_RegisterEditorClass(HINSTANCE hInstance) { BOOL bResult; WNDCLASSW wcW; WNDCLASSA wcA; wcW.style = CS_DBLCLKS | CS_HREDRAW | CS_VREDRAW | CS_GLOBALCLASS; wcW.lpfnWndProc = RichEditANSIWndProc; wcW.cbClsExtra = 0; wcW.cbWndExtra = sizeof(ME_TextEditor *); wcW.hInstance = NULL; /* hInstance would register DLL-local class */ wcW.hIcon = NULL; wcW.hCursor = LoadCursorW(NULL, MAKEINTRESOURCEW(IDC_IBEAM)); wcW.hbrBackground = (HBRUSH)GetStockObject(NULL_BRUSH); wcW.lpszMenuName = NULL; wcW.lpszClassName = wszClassName; bResult = RegisterClassW(&wcW); assert(bResult); wcW.lpszClassName = wszClassName50; bResult = RegisterClassW(&wcW); assert(bResult); wcA.style = CS_DBLCLKS | CS_HREDRAW | CS_VREDRAW | CS_GLOBALCLASS; wcA.lpfnWndProc = RichEditANSIWndProc; wcA.cbClsExtra = 0; wcA.cbWndExtra = sizeof(ME_TextEditor *); wcA.hInstance = NULL; /* hInstance would register DLL-local class */ wcA.hIcon = NULL; wcA.hCursor = LoadCursorW(NULL, MAKEINTRESOURCEW(IDC_IBEAM)); wcA.hbrBackground = (HBRUSH)GetStockObject(NULL_BRUSH); wcA.lpszMenuName = NULL; wcA.lpszClassName = "RichEdit20A"; bResult = RegisterClassA(&wcA); assert(bResult); wcA.lpszClassName = "RichEdit50A"; bResult = RegisterClassA(&wcA); assert(bResult); } LRESULT WINAPI REComboWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam) { /* FIXME: Not implemented */ TRACE("hWnd %p msg %04x (%s) %08x %08lx\n", hWnd, msg, get_msg_name(msg), wParam, lParam); return DefWindowProcW(hWnd, msg, wParam, lParam); } LRESULT WINAPI REListWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam) { /* FIXME: Not implemented */ TRACE("hWnd %p msg %04x (%s) %08x %08lx\n", hWnd, msg, get_msg_name(msg), wParam, lParam); return DefWindowProcW(hWnd, msg, wParam, lParam); } /****************************************************************** * REExtendedRegisterClass (RICHED20.8) * * FIXME undocumented * Need to check for errors and implement controls and callbacks */ LRESULT WINAPI REExtendedRegisterClass(void) { WNDCLASSW wcW; UINT result; FIXME("semi stub\n"); wcW.cbClsExtra = 0; wcW.cbWndExtra = 4; wcW.hInstance = NULL; wcW.hIcon = NULL; wcW.hCursor = NULL; wcW.hbrBackground = (HBRUSH)(COLOR_WINDOW+1); wcW.lpszMenuName = NULL; if (!ME_ListBoxRegistered) { wcW.style = CS_PARENTDC | CS_DBLCLKS | CS_GLOBALCLASS; wcW.lpfnWndProc = REListWndProc; wcW.lpszClassName = wszClassNameListBox; if (RegisterClassW(&wcW)) ME_ListBoxRegistered = TRUE; } if (!ME_ComboBoxRegistered) { wcW.style = CS_PARENTDC | CS_DBLCLKS | CS_GLOBALCLASS | CS_VREDRAW | CS_HREDRAW; wcW.lpfnWndProc = REComboWndProc; wcW.lpszClassName = wszClassNameComboBox; if (RegisterClassW(&wcW)) ME_ComboBoxRegistered = TRUE; } result = 0; if (ME_ListBoxRegistered) result += 1; if (ME_ComboBoxRegistered) result += 2; return result; } int ME_AutoURLDetect(ME_TextEditor *editor, WCHAR curChar) { struct prefix_s { const char *text; int length; } prefixes[12] = { {"http:", 5}, {"file:", 6}, {"mailto:", 8}, {"ftp:", 5}, {"https:", 7}, {"gopher:", 8}, {"nntp:", 6}, {"prospero:", 10}, {"telnet:", 8}, {"news:", 6}, {"wais:", 6}, {"www.", 5} }; CHARRANGE ins_pt; int curf_ef, link_ef, def_ef; int cur_prefx, prefx_cnt; int sel_min, sel_max; int car_pos = 0; int text_pos=-1; int URLmin, URLmax = 0; CHARRANGE url; FINDTEXTA ft; CHARFORMAT2W cur_format; CHARFORMAT2W default_format; CHARFORMAT2W link; RichEditANSIWndProc(editor->hWnd, EM_EXGETSEL, (WPARAM) 0, (LPARAM) &ins_pt); sel_min = ins_pt.cpMin; sel_max = ins_pt.cpMax; if (sel_min==sel_max) car_pos = sel_min; if (sel_min!=sel_max) car_pos = ME_GetTextLength(editor)+1; cur_format.cbSize = sizeof(cur_format); default_format.cbSize = sizeof(default_format); RichEditANSIWndProc(editor->hWnd, EM_GETCHARFORMAT, SCF_SELECTION, (LPARAM) &cur_format); RichEditANSIWndProc(editor->hWnd, EM_GETCHARFORMAT, SCF_DEFAULT, (LPARAM) &default_format); link.cbSize = sizeof(link); link.dwMask = CFM_LINK; link.dwEffects = CFE_LINK; curf_ef = cur_format.dwEffects & link.dwEffects; def_ef = default_format.dwEffects & link.dwEffects; link_ef = link.dwEffects & link.dwEffects; if (curf_ef == link_ef) { if( curChar == '\n' || curChar=='\r' || curChar==' ') { ME_SetSelection(editor, car_pos, car_pos); RichEditANSIWndProc(editor->hWnd, EM_SETCHARFORMAT, SCF_SELECTION, (LPARAM) &default_format); text_pos=-1; return 0; } } if (curf_ef == def_ef) { cur_prefx = 0; prefx_cnt = (sizeof(prefixes)/sizeof(struct prefix_s))-1; while (cur_prefx<=prefx_cnt) { if (text_pos == -1) { ft.lpstrText = prefixes[cur_prefx].text; URLmin=max(0,(car_pos-prefixes[cur_prefx].length)); URLmax=max(0, car_pos); if ((car_pos == 0) && (ME_GetTextLength(editor) != 0)) { URLmax = ME_GetTextLength(editor)+1; } ft.chrg.cpMin = URLmin; ft.chrg.cpMax = URLmax; text_pos=RichEditANSIWndProc(editor->hWnd, EM_FINDTEXT, FR_DOWN, (LPARAM)&ft); cur_prefx++; } if (text_pos != -1) { url.cpMin=text_pos; url.cpMax=car_pos-1; ME_SetCharFormat(editor, text_pos, (URLmax-text_pos), &link); ME_Repaint(editor); break; } } } return 0; }