/* * RichEdit - functions dealing with editor object * * Copyright 2004 by Krzysztof Foltman * Copyright 2005 by Cihan Altinay * Copyright 2005 by Phil Krylov * Copyright 2008 Eric Pouech * * 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 ! - 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 (Also called EM_SETLIMITTEXT) + 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_SETIMESTATUS - EM_SETLANGOPTIONS 2.0 - EM_SETLIMITTEXT - EM_SETMARGINS + 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 (partial) + EM_SETTEXTEX 3.0 (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_HSCROLL + WM_PASTE + WM_SETFONT + WM_SETTEXT (resets undo stack !) (proper style?) ANSI&Unicode + WM_STYLECHANGING (seems to do nothing) + WM_STYLECHANGED (seems to do nothing) + WM_UNICHAR + WM_VSCROLL 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 * - 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) * - 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? * */ #define NONAMELESSUNION #include "editor.h" #include "commdlg.h" #include "winreg.h" #define NO_SHLWAPI_STREAM #include "shlwapi.h" #include "rtf.h" #include "imm.h" #include "res.h" #define STACK_SIZE_DEFAULT 100 #define STACK_SIZE_MAX 1000 #define TEXT_LIMIT_DEFAULT 32767 WINE_DEFAULT_DEBUG_CHANNEL(richedit); static BOOL ME_RegisterEditorClass(HINSTANCE); static BOOL ME_UpdateLinkAttribute(ME_TextEditor *editor, ME_Cursor *start, int nChars); static const WCHAR REListBox20W[] = {'R','E','L','i','s','t','B','o','x','2','0','W', 0}; static const WCHAR REComboBox20W[] = {'R','E','C','o','m','b','o','B','o','x','2','0','W', 0}; static HCURSOR hLeft; BOOL me_debug = FALSE; HANDLE me_heap = NULL; static BOOL ME_ListBoxRegistered = FALSE; static BOOL ME_ComboBoxRegistered = FALSE; static inline BOOL is_version_nt(void) { return !(GetVersion() & 0x80000000); } 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 *pText; LRESULT total_bytes_read = 0; BOOL is_read = FALSE; DWORD cp = CP_ACP, copy = 0; char conv_buf[4 + STREAMIN_BUFFER_SIZE]; /* up to 4 additional UTF-8 bytes */ static const char bom_utf8[] = {0xEF, 0xBB, 0xBF}; TRACE("%08x %p\n", dwFormat, stream); do { LONG nWideChars = 0; WCHAR wszText[STREAMIN_BUFFER_SIZE+1]; if (!stream->dwSize) { ME_StreamInFill(stream); if (stream->editstream->dwError) break; if (!stream->dwSize) break; total_bytes_read += stream->dwSize; } if (!(dwFormat & SF_UNICODE)) { char * buf = stream->buffer; DWORD size = stream->dwSize, end; if (!is_read) { is_read = TRUE; if (stream->dwSize >= 3 && !memcmp(stream->buffer, bom_utf8, 3)) { cp = CP_UTF8; buf += 3; size -= 3; } } if (cp == CP_UTF8) { if (copy) { memcpy(conv_buf + copy, buf, size); buf = conv_buf; size += copy; } end = size; while ((buf[end-1] & 0xC0) == 0x80) { --end; --total_bytes_read; /* strange, but seems to match windows */ } if (buf[end-1] & 0x80) { DWORD need = 0; if ((buf[end-1] & 0xE0) == 0xC0) need = 1; if ((buf[end-1] & 0xF0) == 0xE0) need = 2; if ((buf[end-1] & 0xF8) == 0xF0) need = 3; if (size - end >= need) { /* we have enough bytes for this sequence */ end = size; } else { /* need more bytes, so don't transcode this sequence */ --end; } } } else end = size; nWideChars = MultiByteToWideChar(cp, 0, buf, end, wszText, STREAMIN_BUFFER_SIZE); pText = wszText; if (cp == CP_UTF8) { if (end != size) { memcpy(conv_buf, buf + end, size - end); copy = size - end; } } } 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); return total_bytes_read; } static void ME_ApplyBorderProperties(RTF_Info *info, ME_BorderRect *borderRect, RTFBorder *borderDef) { int i, colorNum; ME_Border *pBorders[] = {&borderRect->top, &borderRect->left, &borderRect->bottom, &borderRect->right}; for (i = 0; i < 4; i++) { RTFColor *colorDef = info->colorList; pBorders[i]->width = borderDef[i].width; colorNum = borderDef[i].color; while (colorDef && colorDef->rtfCNum != colorNum) colorDef = colorDef->rtfNextColor; if (colorDef) pBorders[i]->colorRef = RGB( colorDef->rtfCRed >= 0 ? colorDef->rtfCRed : 0, colorDef->rtfCGreen >= 0 ? colorDef->rtfCGreen : 0, colorDef->rtfCBlue >= 0 ? colorDef->rtfCBlue : 0); else pBorders[i]->colorRef = RGB(0, 0, 0); } } 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_UNDERLINETYPE | CFM_STRIKEOUT | CFM_COLOR | CFM_BACKCOLOR | CFM_SIZE | CFM_WEIGHT; fmt.dwEffects = CFE_AUTOCOLOR | CFE_AUTOBACKCOLOR; fmt.yHeight = 12*20; /* 12pt */ fmt.wWeight = FW_NORMAL; fmt.bUnderlineType = CFU_UNDERLINENONE; break; case rtfBold: fmt.dwMask = CFM_BOLD | CFM_WEIGHT; fmt.dwEffects = info->rtfParam ? CFE_BOLD : 0; fmt.wWeight = info->rtfParam ? FW_BOLD : FW_NORMAL; break; case rtfItalic: fmt.dwMask = CFM_ITALIC; fmt.dwEffects = info->rtfParam ? fmt.dwMask : 0; break; case rtfUnderline: fmt.dwMask = CFM_UNDERLINETYPE; fmt.bUnderlineType = info->rtfParam ? CFU_CF1UNDERLINE : CFU_UNDERLINENONE; break; case rtfDotUnderline: fmt.dwMask = CFM_UNDERLINETYPE; fmt.bUnderlineType = info->rtfParam ? CFU_UNDERLINEDOTTED : CFU_UNDERLINENONE; break; case rtfDbUnderline: fmt.dwMask = CFM_UNDERLINETYPE; fmt.bUnderlineType = info->rtfParam ? CFU_UNDERLINEDOUBLE : CFU_UNDERLINENONE; break; case rtfWordUnderline: fmt.dwMask = CFM_UNDERLINETYPE; fmt.bUnderlineType = info->rtfParam ? CFU_UNDERLINEWORD : CFU_UNDERLINENONE; break; case rtfNoUnderline: fmt.dwMask = CFM_UNDERLINETYPE; fmt.bUnderlineType = CFU_UNDERLINENONE; 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); if (c && c->rtfCBlue >= 0) fmt.crTextColor = (c->rtfCBlue<<16)|(c->rtfCGreen<<8)|(c->rtfCRed); else fmt.dwEffects = CFE_AUTOBACKCOLOR; } 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); if (c && c->rtfCBlue >= 0) fmt.crTextColor = (c->rtfCBlue<<16)|(c->rtfCGreen<<8)|(c->rtfCRed); else { fmt.dwEffects = CFE_AUTOCOLOR; } } 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; fmt.bPitchAndFamily = f->rtfFPitch | (f->rtfFFamily << 4); } } 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 */ void ME_RTFParAttrHook(RTF_Info *info) { PARAFORMAT2 fmt; fmt.cbSize = sizeof(fmt); fmt.dwMask = 0; switch(info->rtfMinor) { case rtfParDef: /* restores default paragraph attributes */ if (!info->editor->bEmulateVersion10) /* v4.1 */ info->borderType = RTFBorderParaLeft; else /* v1.0 - 3.0 */ info->borderType = RTFBorderParaTop; fmt.dwMask = PFM_ALIGNMENT | PFM_BORDER | PFM_LINESPACING | PFM_TABSTOPS | PFM_OFFSET | PFM_RIGHTINDENT | PFM_SPACEAFTER | PFM_SPACEBEFORE | PFM_STARTINDENT; /* TODO: numbering, shading */ fmt.wAlignment = PFA_LEFT; fmt.cTabCount = 0; fmt.dxOffset = fmt.dxStartIndent = fmt.dxRightIndent = 0; fmt.wBorderWidth = fmt.wBorders = 0; fmt.wBorderSpace = 0; fmt.bLineSpacingRule = 0; fmt.dySpaceBefore = fmt.dySpaceAfter = 0; fmt.dyLineSpacing = 0; if (!info->editor->bEmulateVersion10) /* v4.1 */ { if (info->tableDef && info->tableDef->tableRowStart && info->tableDef->tableRowStart->member.para.nFlags & MEPF_ROWEND) { ME_Cursor cursor; ME_DisplayItem *para; /* We are just after a table row. */ RTFFlushOutputBuffer(info); cursor = info->editor->pCursors[0]; para = cursor.pPara; if (para == info->tableDef->tableRowStart->member.para.next_para && !cursor.nOffset && !cursor.pRun->member.run.nCharOfs) { /* Since the table row end, no text has been inserted, and the \intbl * control word has not be used. We can confirm that we are not in a * table anymore. */ info->tableDef->tableRowStart = NULL; info->canInheritInTbl = FALSE; } } } else { /* v1.0 - v3.0 */ fmt.dwMask |= PFM_TABLE; fmt.wEffects &= ~PFE_TABLE; } break; case rtfNestLevel: if (!info->editor->bEmulateVersion10) /* v4.1 */ { while (info->rtfParam > info->nestingLevel) { RTFTable *tableDef = ALLOC_OBJ(RTFTable); ZeroMemory(tableDef, sizeof(RTFTable)); tableDef->parent = info->tableDef; info->tableDef = tableDef; RTFFlushOutputBuffer(info); if (tableDef->tableRowStart && tableDef->tableRowStart->member.para.nFlags & MEPF_ROWEND) { ME_DisplayItem *para = tableDef->tableRowStart; para = para->member.para.next_para; para = ME_InsertTableRowStartAtParagraph(info->editor, para); tableDef->tableRowStart = para; } else { ME_Cursor cursor; WCHAR endl = '\r'; cursor = info->editor->pCursors[0]; if (cursor.nOffset || cursor.pRun->member.run.nCharOfs) ME_InsertTextFromCursor(info->editor, 0, &endl, 1, info->style); tableDef->tableRowStart = ME_InsertTableRowStartFromCursor(info->editor); } info->nestingLevel++; } info->canInheritInTbl = FALSE; } break; case rtfInTable: { if (!info->editor->bEmulateVersion10) /* v4.1 */ { if (info->nestingLevel < 1) { RTFTable *tableDef; if (!info->tableDef) { info->tableDef = ALLOC_OBJ(RTFTable); ZeroMemory(info->tableDef, sizeof(RTFTable)); } tableDef = info->tableDef; RTFFlushOutputBuffer(info); if (tableDef->tableRowStart && tableDef->tableRowStart->member.para.nFlags & MEPF_ROWEND) { ME_DisplayItem *para = tableDef->tableRowStart; para = para->member.para.next_para; para = ME_InsertTableRowStartAtParagraph(info->editor, para); tableDef->tableRowStart = para; } else { ME_Cursor cursor; WCHAR endl = '\r'; cursor = info->editor->pCursors[0]; if (cursor.nOffset || cursor.pRun->member.run.nCharOfs) ME_InsertTextFromCursor(info->editor, 0, &endl, 1, info->style); tableDef->tableRowStart = ME_InsertTableRowStartFromCursor(info->editor); } info->nestingLevel = 1; info->canInheritInTbl = TRUE; } return; } else { /* v1.0 - v3.0 */ fmt.dwMask |= PFM_TABLE; fmt.wEffects |= PFE_TABLE; } break; } case rtfFirstIndent: ME_GetSelectionParaFormat(info->editor, &fmt); fmt.dwMask = PFM_STARTINDENT | PFM_OFFSET; fmt.dxStartIndent += fmt.dxOffset + info->rtfParam; fmt.dxOffset = -info->rtfParam; break; case rtfLeftIndent: ME_GetSelectionParaFormat(info->editor, &fmt); fmt.dwMask = PFM_STARTINDENT; fmt.dxStartIndent = info->rtfParam - fmt.dxOffset; 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.cTabCount = 0; } if (fmt.cTabCount < MAX_TAB_STOPS && info->rtfParam < 0x1000000) fmt.rgxTabs[fmt.cTabCount++] = info->rtfParam; fmt.dwMask = PFM_TABSTOPS; break; case rtfKeep: fmt.dwMask = PFM_KEEP; fmt.wEffects = PFE_KEEP; break; case rtfNoWidowControl: fmt.dwMask = PFM_NOWIDOWCONTROL; fmt.wEffects = PFE_NOWIDOWCONTROL; break; case rtfKeepNext: fmt.dwMask = PFM_KEEPNEXT; fmt.wEffects = PFE_KEEPNEXT; break; case rtfSpaceAfter: fmt.dwMask = PFM_SPACEAFTER; fmt.dySpaceAfter = info->rtfParam; break; case rtfSpaceBefore: fmt.dwMask = PFM_SPACEBEFORE; fmt.dySpaceBefore = info->rtfParam; break; case rtfSpaceBetween: fmt.dwMask = PFM_LINESPACING; if ((int)info->rtfParam > 0) { fmt.dyLineSpacing = info->rtfParam; fmt.bLineSpacingRule = 3; } else { fmt.dyLineSpacing = info->rtfParam; fmt.bLineSpacingRule = 4; } break; case rtfSpaceMultiply: fmt.dwMask = PFM_LINESPACING; fmt.dyLineSpacing = info->rtfParam * 20; fmt.bLineSpacingRule = 5; break; case rtfParBullet: fmt.dwMask = PFM_NUMBERING; fmt.wNumbering = PFN_BULLET; break; case rtfParSimple: fmt.dwMask = PFM_NUMBERING; fmt.wNumbering = 2; /* FIXME: MSDN says it's not used ?? */ break; case rtfParNumDecimal: fmt.dwMask = PFM_NUMBERING; fmt.wNumbering = 2; /* FIXME: MSDN says it's not used ?? */ break; case rtfParNumIndent: fmt.dwMask = PFM_NUMBERINGTAB; fmt.wNumberingTab = info->rtfParam; break; case rtfParNumStartAt: fmt.dwMask = PFM_NUMBERINGSTART; fmt.wNumberingStart = info->rtfParam; break; case rtfBorderLeft: info->borderType = RTFBorderParaLeft; ME_GetSelectionParaFormat(info->editor, &fmt); if (!(fmt.dwMask & PFM_BORDER)) { fmt.wBorderSpace = 0; fmt.wBorderWidth = 1; fmt.wBorders = 0; } fmt.wBorders |= 1; fmt.dwMask = PFM_BORDER; break; case rtfBorderRight: info->borderType = RTFBorderParaRight; ME_GetSelectionParaFormat(info->editor, &fmt); if (!(fmt.dwMask & PFM_BORDER)) { fmt.wBorderSpace = 0; fmt.wBorderWidth = 1; fmt.wBorders = 0; } fmt.wBorders |= 2; fmt.dwMask = PFM_BORDER; break; case rtfBorderTop: info->borderType = RTFBorderParaTop; ME_GetSelectionParaFormat(info->editor, &fmt); if (!(fmt.dwMask & PFM_BORDER)) { fmt.wBorderSpace = 0; fmt.wBorderWidth = 1; fmt.wBorders = 0; } fmt.wBorders |= 4; fmt.dwMask = PFM_BORDER; break; case rtfBorderBottom: info->borderType = RTFBorderParaBottom; ME_GetSelectionParaFormat(info->editor, &fmt); if (!(fmt.dwMask & PFM_BORDER)) { fmt.wBorderSpace = 0; fmt.wBorderWidth = 1; fmt.wBorders = 0; } fmt.wBorders |= 8; fmt.dwMask = PFM_BORDER; break; case rtfBorderSingle: ME_GetSelectionParaFormat(info->editor, &fmt); /* we assume that borders have been created before (RTF spec) */ fmt.wBorders &= ~0x700; fmt.wBorders |= 1 << 8; fmt.dwMask = PFM_BORDER; break; case rtfBorderThick: ME_GetSelectionParaFormat(info->editor, &fmt); /* we assume that borders have been created before (RTF spec) */ fmt.wBorders &= ~0x700; fmt.wBorders |= 2 << 8; fmt.dwMask = PFM_BORDER; break; case rtfBorderShadow: ME_GetSelectionParaFormat(info->editor, &fmt); /* we assume that borders have been created before (RTF spec) */ fmt.wBorders &= ~0x700; fmt.wBorders |= 10 << 8; fmt.dwMask = PFM_BORDER; break; case rtfBorderDouble: ME_GetSelectionParaFormat(info->editor, &fmt); /* we assume that borders have been created before (RTF spec) */ fmt.wBorders &= ~0x700; fmt.wBorders |= 7 << 8; fmt.dwMask = PFM_BORDER; break; case rtfBorderDot: ME_GetSelectionParaFormat(info->editor, &fmt); /* we assume that borders have been created before (RTF spec) */ fmt.wBorders &= ~0x700; fmt.wBorders |= 11 << 8; fmt.dwMask = PFM_BORDER; break; case rtfBorderWidth: { int borderSide = info->borderType & RTFBorderSideMask; RTFTable *tableDef = info->tableDef; ME_GetSelectionParaFormat(info->editor, &fmt); /* we assume that borders have been created before (RTF spec) */ fmt.wBorderWidth |= ((info->rtfParam / 15) & 7) << 8; if ((info->borderType & RTFBorderTypeMask) == RTFBorderTypeCell) { RTFBorder *border; if (!tableDef || tableDef->numCellsDefined >= MAX_TABLE_CELLS) break; border = &tableDef->cells[tableDef->numCellsDefined].border[borderSide]; border->width = info->rtfParam; break; } fmt.dwMask = PFM_BORDER; break; } case rtfBorderSpace: ME_GetSelectionParaFormat(info->editor, &fmt); /* we assume that borders have been created before (RTF spec) */ fmt.wBorderSpace = info->rtfParam; fmt.dwMask = PFM_BORDER; break; case rtfBorderColor: { RTFTable *tableDef = info->tableDef; int borderSide = info->borderType & RTFBorderSideMask; int borderType = info->borderType & RTFBorderTypeMask; switch(borderType) { case RTFBorderTypePara: if (!info->editor->bEmulateVersion10) /* v4.1 */ break; /* v1.0 - 3.0 treat paragraph and row borders the same. */ case RTFBorderTypeRow: if (tableDef) { tableDef->border[borderSide].color = info->rtfParam; } break; case RTFBorderTypeCell: if (tableDef && tableDef->numCellsDefined < MAX_TABLE_CELLS) { tableDef->cells[tableDef->numCellsDefined].border[borderSide].color = info->rtfParam; } break; } break; } case rtfRTLPar: fmt.dwMask = PFM_RTLPARA; fmt.wEffects = PFE_RTLPARA; break; case rtfLTRPar: fmt.dwMask = PFM_RTLPARA; fmt.wEffects = 0; break; } if (fmt.dwMask) { RTFFlushOutputBuffer(info); /* FIXME too slow ? how come ?*/ ME_SetSelectionParaFormat(info->editor, &fmt); } } void ME_RTFTblAttrHook(RTF_Info *info) { switch (info->rtfMinor) { case rtfRowDef: { if (!info->editor->bEmulateVersion10) /* v4.1 */ info->borderType = 0; /* Not sure */ else /* v1.0 - 3.0 */ info->borderType = RTFBorderRowTop; if (!info->tableDef) { info->tableDef = ME_MakeTableDef(info->editor); } else { ME_InitTableDef(info->editor, info->tableDef); } break; } case rtfCellPos: { int cellNum; if (!info->tableDef) { info->tableDef = ME_MakeTableDef(info->editor); } cellNum = info->tableDef->numCellsDefined; if (cellNum >= MAX_TABLE_CELLS) break; info->tableDef->cells[cellNum].rightBoundary = info->rtfParam; if (cellNum < MAX_TAB_STOPS) { /* Tab stops were used to store cell positions before v4.1 but v4.1 * still seems to set the tabstops without using them. */ ME_DisplayItem *para = info->editor->pCursors[0].pPara; PARAFORMAT2 *pFmt = para->member.para.pFmt; pFmt->rgxTabs[cellNum] &= ~0x00FFFFFF; pFmt->rgxTabs[cellNum] = 0x00FFFFFF & info->rtfParam; } info->tableDef->numCellsDefined++; break; } case rtfRowBordTop: info->borderType = RTFBorderRowTop; break; case rtfRowBordLeft: info->borderType = RTFBorderRowLeft; break; case rtfRowBordBottom: info->borderType = RTFBorderRowBottom; break; case rtfRowBordRight: info->borderType = RTFBorderRowRight; break; case rtfCellBordTop: info->borderType = RTFBorderCellTop; break; case rtfCellBordLeft: info->borderType = RTFBorderCellLeft; break; case rtfCellBordBottom: info->borderType = RTFBorderCellBottom; break; case rtfCellBordRight: info->borderType = RTFBorderCellRight; break; case rtfRowGapH: if (info->tableDef) info->tableDef->gapH = info->rtfParam; break; case rtfRowLeftEdge: if (info->tableDef) info->tableDef->leftEdge = info->rtfParam; break; } } void ME_RTFSpecialCharHook(RTF_Info *info) { RTFTable *tableDef = info->tableDef; switch (info->rtfMinor) { case rtfNestCell: if (info->editor->bEmulateVersion10) /* v1.0 - v3.0 */ break; /* else fall through since v4.1 treats rtfNestCell and rtfCell the same */ case rtfCell: if (!tableDef) break; RTFFlushOutputBuffer(info); if (!info->editor->bEmulateVersion10) { /* v4.1 */ if (tableDef->tableRowStart) { if (!info->nestingLevel && tableDef->tableRowStart->member.para.nFlags & MEPF_ROWEND) { ME_DisplayItem *para = tableDef->tableRowStart; para = para->member.para.next_para; para = ME_InsertTableRowStartAtParagraph(info->editor, para); tableDef->tableRowStart = para; info->nestingLevel = 1; } ME_InsertTableCellFromCursor(info->editor); } } else { /* v1.0 - v3.0 */ ME_DisplayItem *para = info->editor->pCursors[0].pPara; PARAFORMAT2 *pFmt = para->member.para.pFmt; if (pFmt->dwMask & PFM_TABLE && pFmt->wEffects & PFE_TABLE && tableDef->numCellsInserted < tableDef->numCellsDefined) { WCHAR tab = '\t'; ME_InsertTextFromCursor(info->editor, 0, &tab, 1, info->style); tableDef->numCellsInserted++; } } break; case rtfNestRow: if (info->editor->bEmulateVersion10) /* v1.0 - v3.0 */ break; /* else fall through since v4.1 treats rtfNestRow and rtfRow the same */ case rtfRow: { ME_DisplayItem *para, *cell, *run; int i; if (!tableDef) break; RTFFlushOutputBuffer(info); if (!info->editor->bEmulateVersion10) { /* v4.1 */ if (!tableDef->tableRowStart) break; if (!info->nestingLevel && tableDef->tableRowStart->member.para.nFlags & MEPF_ROWEND) { para = tableDef->tableRowStart; para = para->member.para.next_para; para = ME_InsertTableRowStartAtParagraph(info->editor, para); tableDef->tableRowStart = para; info->nestingLevel++; } para = tableDef->tableRowStart; cell = ME_FindItemFwd(para, diCell); assert(cell && !cell->member.cell.prev_cell); if (tableDef->numCellsDefined < 1) { /* 2000 twips appears to be the cell size that native richedit uses * when no cell sizes are specified. */ const int defaultCellSize = 2000; int nRightBoundary = defaultCellSize; cell->member.cell.nRightBoundary = nRightBoundary; while (cell->member.cell.next_cell) { cell = cell->member.cell.next_cell; nRightBoundary += defaultCellSize; cell->member.cell.nRightBoundary = nRightBoundary; } para = ME_InsertTableCellFromCursor(info->editor); cell = para->member.para.pCell; cell->member.cell.nRightBoundary = nRightBoundary; } else { for (i = 0; i < tableDef->numCellsDefined; i++) { RTFCell *cellDef = &tableDef->cells[i]; cell->member.cell.nRightBoundary = cellDef->rightBoundary; ME_ApplyBorderProperties(info, &cell->member.cell.border, cellDef->border); cell = cell->member.cell.next_cell; if (!cell) { para = ME_InsertTableCellFromCursor(info->editor); cell = para->member.para.pCell; } } /* Cell for table row delimiter is empty */ cell->member.cell.nRightBoundary = tableDef->cells[i-1].rightBoundary; } run = ME_FindItemFwd(cell, diRun); if (info->editor->pCursors[0].pRun != run || info->editor->pCursors[0].nOffset) { int nOfs, nChars; /* Delete inserted cells that aren't defined. */ info->editor->pCursors[1].pRun = run; info->editor->pCursors[1].pPara = ME_GetParagraph(run); info->editor->pCursors[1].nOffset = 0; nOfs = ME_GetCursorOfs(&info->editor->pCursors[1]); nChars = ME_GetCursorOfs(&info->editor->pCursors[0]) - nOfs; ME_InternalDeleteText(info->editor, &info->editor->pCursors[1], nChars, TRUE); } para = ME_InsertTableRowEndFromCursor(info->editor); para->member.para.pFmt->dxOffset = abs(info->tableDef->gapH); para->member.para.pFmt->dxStartIndent = info->tableDef->leftEdge; ME_ApplyBorderProperties(info, ¶->member.para.border, tableDef->border); info->nestingLevel--; if (!info->nestingLevel) { if (info->canInheritInTbl) { tableDef->tableRowStart = para; } else { while (info->tableDef) { tableDef = info->tableDef; info->tableDef = tableDef->parent; heap_free(tableDef); } } } else { info->tableDef = tableDef->parent; heap_free(tableDef); } } else { /* v1.0 - v3.0 */ WCHAR endl = '\r'; ME_DisplayItem *para = info->editor->pCursors[0].pPara; PARAFORMAT2 *pFmt = para->member.para.pFmt; pFmt->dxOffset = info->tableDef->gapH; pFmt->dxStartIndent = info->tableDef->leftEdge; ME_ApplyBorderProperties(info, ¶->member.para.border, tableDef->border); while (tableDef->numCellsInserted < tableDef->numCellsDefined) { WCHAR tab = '\t'; ME_InsertTextFromCursor(info->editor, 0, &tab, 1, info->style); tableDef->numCellsInserted++; } pFmt->cTabCount = min(tableDef->numCellsDefined, MAX_TAB_STOPS); if (!tableDef->numCellsDefined) pFmt->wEffects &= ~PFE_TABLE; ME_InsertTextFromCursor(info->editor, 0, &endl, 1, info->style); tableDef->numCellsInserted = 0; } break; } case rtfTab: case rtfPar: if (info->editor->bEmulateVersion10) { /* v1.0 - 3.0 */ ME_DisplayItem *para; PARAFORMAT2 *pFmt; RTFFlushOutputBuffer(info); para = info->editor->pCursors[0].pPara; pFmt = para->member.para.pFmt; if (pFmt->dwMask & PFM_TABLE && pFmt->wEffects & PFE_TABLE) { /* rtfPar is treated like a space within a table. */ info->rtfClass = rtfText; info->rtfMajor = ' '; } else if (info->rtfMinor == rtfPar && tableDef) tableDef->numCellsInserted = 0; } break; } } static BOOL ME_RTFInsertOleObject(RTF_Info *info, HENHMETAFILE hemf, HBITMAP hbmp, const SIZEL* sz) { LPOLEOBJECT lpObject = NULL; LPSTORAGE lpStorage = NULL; LPOLECLIENTSITE lpClientSite = NULL; LPDATAOBJECT lpDataObject = NULL; LPOLECACHE lpOleCache = NULL; STGMEDIUM stgm; FORMATETC fm; CLSID clsid; BOOL ret = FALSE; DWORD conn; if (hemf) { stgm.tymed = TYMED_ENHMF; stgm.u.hEnhMetaFile = hemf; fm.cfFormat = CF_ENHMETAFILE; } else if (hbmp) { stgm.tymed = TYMED_GDI; stgm.u.hBitmap = hbmp; fm.cfFormat = CF_BITMAP; } stgm.pUnkForRelease = NULL; fm.ptd = NULL; fm.dwAspect = DVASPECT_CONTENT; fm.lindex = -1; fm.tymed = stgm.tymed; if (!info->lpRichEditOle) { CreateIRichEditOle(NULL, info->editor, (VOID**)&info->lpRichEditOle); } if (OleCreateDefaultHandler(&CLSID_NULL, NULL, &IID_IOleObject, (void**)&lpObject) == S_OK && IRichEditOle_GetClientSite(info->lpRichEditOle, &lpClientSite) == S_OK && IOleObject_SetClientSite(lpObject, lpClientSite) == S_OK && IOleObject_GetUserClassID(lpObject, &clsid) == S_OK && IOleObject_QueryInterface(lpObject, &IID_IOleCache, (void**)&lpOleCache) == S_OK && IOleCache_Cache(lpOleCache, &fm, 0, &conn) == S_OK && IOleObject_QueryInterface(lpObject, &IID_IDataObject, (void**)&lpDataObject) == S_OK && IDataObject_SetData(lpDataObject, &fm, &stgm, TRUE) == S_OK) { REOBJECT reobject; reobject.cbStruct = sizeof(reobject); reobject.cp = REO_CP_SELECTION; reobject.clsid = clsid; reobject.poleobj = lpObject; reobject.pstg = lpStorage; reobject.polesite = lpClientSite; /* convert from twips to .01 mm */ reobject.sizel.cx = MulDiv(sz->cx, 254, 144); reobject.sizel.cy = MulDiv(sz->cy, 254, 144); reobject.dvaspect = DVASPECT_CONTENT; reobject.dwFlags = 0; /* FIXME */ reobject.dwUser = 0; ME_InsertOLEFromCursor(info->editor, &reobject, 0); ret = TRUE; } if (lpObject) IOleObject_Release(lpObject); if (lpClientSite) IOleClientSite_Release(lpClientSite); if (lpStorage) IStorage_Release(lpStorage); if (lpDataObject) IDataObject_Release(lpDataObject); if (lpOleCache) IOleCache_Release(lpOleCache); return ret; } static void ME_RTFReadPictGroup(RTF_Info *info) { SIZEL sz; BYTE* buffer = NULL; unsigned bufsz, bufidx; BOOL flip; BYTE val; METAFILEPICT mfp; HENHMETAFILE hemf; HBITMAP hbmp; enum gfxkind {gfx_unknown = 0, gfx_enhmetafile, gfx_metafile, gfx_dib} gfx = gfx_unknown; RTFGetToken (info); if (info->rtfClass == rtfEOF) return; mfp.mm = MM_TEXT; /* fetch picture type */ if (RTFCheckMM (info, rtfPictAttr, rtfWinMetafile)) { mfp.mm = info->rtfParam; gfx = gfx_metafile; } else if (RTFCheckMM (info, rtfPictAttr, rtfDevIndBitmap)) { if (info->rtfParam != 0) FIXME("dibitmap should be 0 (%d)\n", info->rtfParam); gfx = gfx_dib; } else if (RTFCheckMM (info, rtfPictAttr, rtfEmfBlip)) { gfx = gfx_enhmetafile; } else { FIXME("%d %d\n", info->rtfMajor, info->rtfMinor); goto skip_group; } sz.cx = sz.cy = 0; /* fetch picture attributes */ for (;;) { RTFGetToken (info); if (info->rtfClass == rtfEOF) return; if (info->rtfClass == rtfText) break; if (!RTFCheckCM (info, rtfControl, rtfPictAttr)) { ERR("Expected picture attribute (%d %d)\n", info->rtfClass, info->rtfMajor); goto skip_group; } else if (RTFCheckMM (info, rtfPictAttr, rtfPicWid)) { if (gfx == gfx_metafile) mfp.xExt = info->rtfParam; } else if (RTFCheckMM (info, rtfPictAttr, rtfPicHt)) { if (gfx == gfx_metafile) mfp.yExt = info->rtfParam; } else if (RTFCheckMM (info, rtfPictAttr, rtfPicGoalWid)) sz.cx = info->rtfParam; else if (RTFCheckMM (info, rtfPictAttr, rtfPicGoalHt)) sz.cy = info->rtfParam; else FIXME("Non supported attribute: %d %d %d\n", info->rtfClass, info->rtfMajor, info->rtfMinor); } /* fetch picture data */ bufsz = 1024; bufidx = 0; buffer = HeapAlloc(GetProcessHeap(), 0, bufsz); val = info->rtfMajor; for (flip = TRUE;; flip = !flip) { RTFGetToken (info); if (info->rtfClass == rtfEOF) { HeapFree(GetProcessHeap(), 0, buffer); return; /* Warn ?? */ } if (RTFCheckCM(info, rtfGroup, rtfEndGroup)) break; if (info->rtfClass != rtfText) goto skip_group; if (flip) { if (bufidx >= bufsz && !(buffer = HeapReAlloc(GetProcessHeap(), 0, buffer, bufsz += 1024))) goto skip_group; buffer[bufidx++] = RTFCharToHex(val) * 16 + RTFCharToHex(info->rtfMajor); } else val = info->rtfMajor; } if (flip) FIXME("wrong hex string\n"); switch (gfx) { case gfx_enhmetafile: if ((hemf = SetEnhMetaFileBits(bufidx, buffer))) ME_RTFInsertOleObject(info, hemf, NULL, &sz); break; case gfx_metafile: if ((hemf = SetWinMetaFileBits(bufidx, buffer, NULL, &mfp))) ME_RTFInsertOleObject(info, hemf, NULL, &sz); break; case gfx_dib: { BITMAPINFO* bi = (BITMAPINFO*)buffer; HDC hdc = GetDC(0); unsigned nc = bi->bmiHeader.biClrUsed; /* not quite right, especially for bitfields type of compression */ if (!nc && bi->bmiHeader.biBitCount <= 8) nc = 1 << bi->bmiHeader.biBitCount; if ((hbmp = CreateDIBitmap(hdc, &bi->bmiHeader, CBM_INIT, (char*)(bi + 1) + nc * sizeof(RGBQUAD), bi, DIB_RGB_COLORS))) ME_RTFInsertOleObject(info, NULL, hbmp, &sz); ReleaseDC(0, hdc); } break; default: break; } HeapFree(GetProcessHeap(), 0, buffer); RTFRouteToken (info); /* feed "}" back to router */ return; skip_group: HeapFree(GetProcessHeap(), 0, buffer); RTFSkipGroup(info); RTFRouteToken(info); /* feed "}" back to router */ } /* for now, lookup the \result part and use it, whatever the object */ static void ME_RTFReadObjectGroup(RTF_Info *info) { for (;;) { RTFGetToken (info); if (info->rtfClass == rtfEOF) return; if (RTFCheckCM(info, rtfGroup, rtfEndGroup)) break; if (RTFCheckCM(info, rtfGroup, rtfBeginGroup)) { RTFGetToken (info); if (info->rtfClass == rtfEOF) return; if (RTFCheckCMM(info, rtfControl, rtfDestination, rtfObjResult)) { int level = 1; while (RTFGetToken (info) != rtfEOF) { if (info->rtfClass == rtfGroup) { if (info->rtfMajor == rtfBeginGroup) level++; else if (info->rtfMajor == rtfEndGroup && --level < 0) break; } RTFRouteToken(info); } } else RTFSkipGroup(info); continue; } if (!RTFCheckCM (info, rtfControl, rtfObjAttr)) { FIXME("Non supported attribute: %d %d %d\n", info->rtfClass, info->rtfMajor, info->rtfMinor); return; } } RTFRouteToken(info); /* feed "}" back to router */ } static void ME_RTFReadHook(RTF_Info *info) { switch(info->rtfClass) { case rtfGroup: switch(info->rtfMajor) { case rtfBeginGroup: if (info->stackTop < maxStack) { info->stack[info->stackTop].style = info->style; ME_AddRefStyle(info->style); info->stack[info->stackTop].codePage = info->codePage; info->stack[info->stackTop].unicodeLength = info->unicodeLength; } info->stackTop++; info->styleChanged = FALSE; break; case rtfEndGroup: { RTFFlushOutputBuffer(info); info->stackTop--; if (info->stackTop <= 0) info->rtfClass = rtfEOF; if (info->stackTop < 0) return; ME_ReleaseStyle(info->style); info->style = info->stack[info->stackTop].style; info->codePage = info->stack[info->stackTop].codePage; info->unicodeLength = info->stack[info->stackTop].unicodeLength; break; } } 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, BOOL stripLastCR) { RTF_Info parser; ME_Style *style; int from, to, nUndoMode; int nEventMask = editor->nEventMask; ME_InStream inStream; BOOL invalidRTF = FALSE; ME_Cursor *selStart, *selEnd; LRESULT num_read = 0; /* bytes read for SF_TEXT, non-control chars inserted for SF_RTF */ TRACE("stream==%p editor==%p format==0x%X\n", stream, editor, format); editor->nEventMask = 0; ME_GetSelectionOfs(editor, &from, &to); if (format & SFF_SELECTION && editor->mode & TM_RICHTEXT) { ME_GetSelection(editor, &selStart, &selEnd); style = ME_GetSelectionInsertStyle(editor); ME_InternalDeleteText(editor, selStart, to - from, FALSE); /* Don't insert text at the end of the table row */ if (!editor->bEmulateVersion10) { /* v4.1 */ ME_DisplayItem *para = editor->pCursors->pPara; if (para->member.para.nFlags & MEPF_ROWEND) { para = para->member.para.next_para; editor->pCursors[0].pPara = para; editor->pCursors[0].pRun = ME_FindItemFwd(para, diRun); editor->pCursors[0].nOffset = 0; } if (para->member.para.nFlags & MEPF_ROWSTART) { para = para->member.para.next_para; editor->pCursors[0].pPara = para; editor->pCursors[0].pRun = ME_FindItemFwd(para, diRun); editor->pCursors[0].nOffset = 0; } editor->pCursors[1] = editor->pCursors[0]; } else { /* v1.0 - 3.0 */ if (editor->pCursors[0].pRun->member.run.nFlags & MERF_ENDPARA && ME_IsInTable(editor->pCursors[0].pRun)) return 0; } } else { style = editor->pBuffer->pDefaultStyle; ME_AddRefStyle(style); ME_SetSelection(editor, 0, 0); ME_InternalDeleteText(editor, &editor->pCursors[1], ME_GetTextLength(editor), FALSE); from = to = 0; ME_ClearTempStyle(editor); ME_SetDefaultParaFormat(editor->pCursors[0].pPara->member.para.pFmt); } /* Back up undo mode to a local variable */ nUndoMode = editor->nUndoMode; /* Only create an undo if SFF_SELECTION is set */ if (!(format & SFF_SELECTION)) 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 ((!editor->bEmulateVersion10 && strncmp(inStream.buffer, "{\\rtf", 5) && strncmp(inStream.buffer, "{\\urtf", 6)) || (editor->bEmulateVersion10 && *inStream.buffer != '{')) { invalidRTF = TRUE; inStream.editstream->dwError = -16; } } } if (!invalidRTF && !inStream.editstream->dwError) { if (format & SF_RTF) { from = ME_GetCursorOfs(&editor->pCursors[0]); /* setup the RTF parser */ memset(&parser, 0, sizeof parser); RTFSetEditStream(&parser, &inStream); parser.rtfFormat = format&(SF_TEXT|SF_RTF); parser.editor = editor; parser.style = style; WriterInit(&parser); RTFInit(&parser); RTFSetReadHook(&parser, ME_RTFReadHook); RTFSetDestinationCallback(&parser, rtfPict, ME_RTFReadPictGroup); RTFSetDestinationCallback(&parser, rtfObject, ME_RTFReadObjectGroup); if (!parser.editor->bEmulateVersion10) /* v4.1 */ { RTFSetDestinationCallback(&parser, rtfNoNestTables, RTFSkipGroup); RTFSetDestinationCallback(&parser, rtfNestTableProps, RTFReadGroup); } BeginFile(&parser); /* do the parsing */ RTFRead(&parser); RTFFlushOutputBuffer(&parser); if (!editor->bEmulateVersion10) { /* v4.1 */ if (parser.tableDef && parser.tableDef->tableRowStart && (parser.nestingLevel > 0 || parser.canInheritInTbl)) { /* Delete any incomplete table row at the end of the rich text. */ int nOfs, nChars; ME_DisplayItem *para; parser.rtfMinor = rtfRow; /* Complete the table row before deleting it. * By doing it this way we will have the current paragraph format set * properly to reflect that is not in the complete table, and undo items * will be added for this change to the current paragraph format. */ if (parser.nestingLevel > 0) { while (parser.nestingLevel > 1) ME_RTFSpecialCharHook(&parser); /* Decrements nestingLevel */ para = parser.tableDef->tableRowStart; ME_RTFSpecialCharHook(&parser); } else { para = parser.tableDef->tableRowStart; ME_RTFSpecialCharHook(&parser); assert(para->member.para.nFlags & MEPF_ROWEND); para = para->member.para.next_para; } editor->pCursors[1].pPara = para; editor->pCursors[1].pRun = ME_FindItemFwd(para, diRun); editor->pCursors[1].nOffset = 0; nOfs = ME_GetCursorOfs(&editor->pCursors[1]); nChars = ME_GetCursorOfs(&editor->pCursors[0]) - nOfs; ME_InternalDeleteText(editor, &editor->pCursors[1], nChars, TRUE); if (parser.tableDef) parser.tableDef->tableRowStart = NULL; } } ME_CheckTablesForCorruption(editor); RTFDestroy(&parser); if (parser.lpRichEditOle) IRichEditOle_Release(parser.lpRichEditOle); if (parser.stackTop > 0) { while (--parser.stackTop >= 0) { ME_ReleaseStyle(parser.style); parser.style = parser.stack[parser.stackTop].style; } if (!inStream.editstream->dwError) inStream.editstream->dwError = HRESULT_FROM_WIN32(ERROR_HANDLE_EOF); } /* Remove last line break, as mandated by tests. This is not affected by CR/LF counters, since RTF streaming presents only \para tokens, which are converted according to the standard rules: \r for 2.0, \r\n for 1.0 */ if (stripLastCR && !(format & SFF_SELECTION)) { int newto; ME_GetSelection(editor, &selStart, &selEnd); newto = ME_GetCursorOfs(selEnd); if (newto > to + (editor->bEmulateVersion10 ? 1 : 0)) { WCHAR lastchar[3] = {'\0', '\0'}; int linebreakSize = editor->bEmulateVersion10 ? 2 : 1; ME_Cursor linebreakCursor = *selEnd; ME_MoveCursorChars(editor, &linebreakCursor, -linebreakSize); ME_GetTextW(editor, lastchar, 2, &linebreakCursor, linebreakSize, FALSE, FALSE); if (lastchar[0] == '\r' && (lastchar[1] == '\n' || lastchar[1] == '\0')) { ME_InternalDeleteText(editor, &linebreakCursor, linebreakSize, FALSE); } } } to = ME_GetCursorOfs(&editor->pCursors[0]); num_read = to - from; style = parser.style; } else if (format & SF_TEXT) num_read = ME_StreamInText(editor, format, &inStream, style); else ERR("EM_STREAMIN without SF_TEXT or SF_RTF\n"); /* put the cursor at the top */ if (!(format & SFF_SELECTION)) ME_SetSelection(editor, 0, 0); } /* Restore saved undo mode */ editor->nUndoMode = nUndoMode; /* even if we didn't add an undo, we need to commit anything on the stack */ ME_CommitUndo(editor); /* If SFF_SELECTION isn't set, delete any undos from before we started too */ if (!(format & SFF_SELECTION)) ME_EmptyUndoStack(editor); ME_ReleaseStyle(style); editor->nEventMask = nEventMask; ME_UpdateRepaint(editor, FALSE); if (!(format & SFF_SELECTION)) { ME_ClearTempStyle(editor); } ITextHost_TxShowCaret(editor->texthost, FALSE); ME_MoveCaret(editor); ITextHost_TxShowCaret(editor->texthost, TRUE); ME_SendSelChange(editor); ME_SendRequestResize(editor, FALSE); return num_read; } 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_PTR)&data; es.pfnCallback = ME_ReadFromRTFString; ME_StreamIn(editor, SF_RTF | (selection ? SFF_SELECTION : 0), &es, TRUE); } static int ME_FindText(ME_TextEditor *editor, DWORD flags, const CHARRANGE *chrg, const WCHAR *text, CHARRANGE *chrgText) { const int nLen = lstrlenW(text); const int nTextLen = ME_GetTextLength(editor); int nMin, nMax; ME_Cursor cursor; WCHAR wLastChar = ' '; TRACE("flags==0x%08x, chrg->cpMin==%d, chrg->cpMax==%d text==%s\n", flags, chrg->cpMin, chrg->cpMax, debugstr_w(text)); if (flags & ~(FR_DOWN | FR_MATCHCASE | FR_WHOLEWORD)) FIXME("Flags 0x%08x 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; /* In 1.0 emulation, if cpMax reaches end of text, add the FR_DOWN flag */ if (editor->bEmulateVersion10 && nMax == nTextLen) { flags |= FR_DOWN; } /* In 1.0 emulation, cpMin must always be no greater than cpMax */ if (editor->bEmulateVersion10 && nMax < nMin) { if (chrgText) { chrgText->cpMin = -1; chrgText->cpMax = -1; } return -1; } /* 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 (!editor->bEmulateVersion10 && !(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) { ME_CursorFromCharOfs(editor, nMin - 1, &cursor); wLastChar = *get_text( &cursor.pRun->member.run, cursor.nOffset ); ME_MoveCursorChars(editor, &cursor, 1); } else { ME_CursorFromCharOfs(editor, nMin, &cursor); } while (cursor.pRun && ME_GetCursorOfs(&cursor) + nLen <= nMax) { ME_DisplayItem *pCurItem = cursor.pRun; int nCurStart = cursor.nOffset; int nMatched = 0; while (pCurItem && ME_CharCompare( *get_text( &pCurItem->member.run, 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 == pCurItem->member.run.len) { pNextItem = ME_FindItemFwd(pCurItem, diRun); nNextStart = -nMatched; } if (pNextItem) wNextChar = *get_text( &pNextItem->member.run, nNextStart + nMatched ); else wNextChar = ' '; if (isalnumW(wNextChar)) break; } cursor.nOffset += cursor.pPara->member.para.nCharOfs + cursor.pRun->member.run.nCharOfs; if (chrgText) { chrgText->cpMin = cursor.nOffset; chrgText->cpMax = cursor.nOffset + nLen; } TRACE("found at %d-%d\n", cursor.nOffset, cursor.nOffset + nLen); return cursor.nOffset; } if (nCurStart + nMatched == pCurItem->member.run.len) { pCurItem = ME_FindItemFwd(pCurItem, diRun); nCurStart = -nMatched; } } if (pCurItem) wLastChar = *get_text( &pCurItem->member.run, nCurStart + nMatched ); else wLastChar = ' '; cursor.nOffset++; if (cursor.nOffset == cursor.pRun->member.run.len) { ME_NextRun(&cursor.pPara, &cursor.pRun); cursor.nOffset = 0; } } } else /* Backward search */ { /* If possible, find the character after where the search ends */ if ((flags & FR_WHOLEWORD) && nMax < nTextLen - 1) { ME_CursorFromCharOfs(editor, nMax + 1, &cursor); wLastChar = *get_text( &cursor.pRun->member.run, cursor.nOffset ); ME_MoveCursorChars(editor, &cursor, -1); } else { ME_CursorFromCharOfs(editor, nMax, &cursor); } while (cursor.pRun && ME_GetCursorOfs(&cursor) - nLen >= nMin) { ME_DisplayItem *pCurItem = cursor.pRun; ME_DisplayItem *pCurPara = cursor.pPara; int nCurEnd = cursor.nOffset; int nMatched = 0; if (nCurEnd == 0) { ME_PrevRun(&pCurPara, &pCurItem); nCurEnd = pCurItem->member.run.len; } while (pCurItem && ME_CharCompare( *get_text( &pCurItem->member.run, 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; int nStart; /* 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 = pPrevItem->member.run.len + nMatched; } if (pPrevItem) wPrevChar = *get_text( &pPrevItem->member.run, nPrevEnd - nMatched - 1 ); else wPrevChar = ' '; if (isalnumW(wPrevChar)) break; } nStart = pCurPara->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) { ME_PrevRun(&pCurPara, &pCurItem); /* Don't care about pCurItem becoming NULL here; it's already taken * care of in the exterior loop condition */ nCurEnd = pCurItem->member.run.len + nMatched; } } if (pCurItem) wLastChar = *get_text( &pCurItem->member.run, nCurEnd - nMatched - 1 ); else wLastChar = ' '; cursor.nOffset--; if (cursor.nOffset < 0) { ME_PrevRun(&cursor.pPara, &cursor.pRun); cursor.nOffset = cursor.pRun->member.run.len; } } } TRACE("not found\n"); if (chrgText) chrgText->cpMin = chrgText->cpMax = -1; return -1; } static int ME_GetTextEx(ME_TextEditor *editor, GETTEXTEX *ex, LPARAM pText) { int nChars; ME_Cursor start; if (!ex->cb || !pText) return 0; if (ex->flags & ~(GT_SELECTION | GT_USECRLF)) FIXME("GETTEXTEX flags 0x%08x not supported\n", ex->flags & ~(GT_SELECTION | GT_USECRLF)); if (ex->flags & GT_SELECTION) { int from, to; int nStartCur = ME_GetSelectionOfs(editor, &from, &to); start = editor->pCursors[nStartCur]; nChars = to - from; } else { ME_SetCursorToStart(editor, &start); nChars = INT_MAX; } if (ex->codepage == CP_UNICODE) { return ME_GetTextW(editor, (LPWSTR)pText, ex->cb / sizeof(WCHAR) - 1, &start, nChars, ex->flags & GT_USECRLF, FALSE); } else { /* potentially each char may be a CR, why calculate the exact value with O(N) when we can just take a bigger buffer? :) The above assumption still holds with CR/LF counters, since CR->CRLF expansion occurs only in richedit 2.0 mode, in which line breaks have only one CR */ int crlfmul = (ex->flags & GT_USECRLF) ? 2 : 1; DWORD buflen; LPWSTR buffer; LRESULT rc; buflen = min(crlfmul * nChars, ex->cb - 1); buffer = heap_alloc((buflen + 1) * sizeof(WCHAR)); nChars = ME_GetTextW(editor, buffer, buflen, &start, nChars, ex->flags & GT_USECRLF, FALSE); rc = WideCharToMultiByte(ex->codepage, 0, buffer, nChars + 1, (LPSTR)pText, ex->cb, ex->lpDefaultChar, ex->lpUsedDefChar); if (rc) rc--; /* do not count 0 terminator */ heap_free(buffer); return rc; } } static int ME_GetTextRange(ME_TextEditor *editor, WCHAR *strText, const ME_Cursor *start, int nLen, BOOL unicode) { if (!strText) return 0; if (unicode) { return ME_GetTextW(editor, strText, INT_MAX, start, nLen, FALSE, FALSE); } else { int nChars; WCHAR *p = ALLOC_N_OBJ(WCHAR, nLen+1); if (!p) return 0; nChars = ME_GetTextW(editor, p, nLen, start, nLen, FALSE, FALSE); WideCharToMultiByte(CP_ACP, 0, p, nChars+1, (char *)strText, nLen+1, NULL, NULL); FREE_OBJ(p); return nChars; } } static int handle_EM_EXSETSEL( ME_TextEditor *editor, int to, int from ) { int end; TRACE("%d - %d\n", to, from ); ME_InvalidateSelection( editor ); end = ME_SetSelection( editor, to, from ); ME_InvalidateSelection( editor ); ITextHost_TxShowCaret( editor->texthost, FALSE ); ME_ShowCaret( editor ); ME_SendSelChange( editor ); return end; } 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 = 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 = 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; } static BOOL ME_Paste(ME_TextEditor *editor) { 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 FALSE; if (!OpenClipboard(editor->hWnd)) return FALSE; gds.hData = GetClipboardData(cf); gds.nLength = 0; es.dwCookie = (DWORD_PTR)&gds; es.pfnCallback = dwFormat == SF_RTF ? ME_ReadFromHGLOBALRTF : ME_ReadFromHGLOBALUnicode; ME_StreamIn(editor, dwFormat|SFF_SELECTION, &es, FALSE); CloseClipboard(); return TRUE; } static BOOL ME_Copy(ME_TextEditor *editor, const ME_Cursor *start, int nChars) { LPDATAOBJECT dataObj = NULL; HRESULT hr = S_OK; if (editor->cPasswordMask) return FALSE; /* Copying or Cutting masked text isn't allowed */ if(editor->lpOleCallback) { CHARRANGE range; range.cpMin = ME_GetCursorOfs(start); range.cpMax = range.cpMin + nChars; hr = IRichEditOleCallback_GetClipboardData(editor->lpOleCallback, &range, RECO_COPY, &dataObj); } if(FAILED(hr) || !dataObj) hr = ME_GetDataObject(editor, start, nChars, &dataObj); if(SUCCEEDED(hr)) { hr = OleSetClipboard(dataObj); IDataObject_Release(dataObj); } return SUCCEEDED(hr); } /* helper to send a msg filter notification */ static BOOL ME_FilterEvent(ME_TextEditor *editor, UINT msg, WPARAM* wParam, LPARAM* lParam) { MSGFILTER msgf; if (!editor->hWnd || !editor->hwndParent) return FALSE; msgf.nmhdr.hwndFrom = editor->hWnd; msgf.nmhdr.idFrom = GetWindowLongW(editor->hWnd, GWLP_ID); msgf.nmhdr.code = EN_MSGFILTER; msgf.msg = msg; msgf.wParam = *wParam; msgf.lParam = *lParam; if (SendMessageW(editor->hwndParent, WM_NOTIFY, msgf.nmhdr.idFrom, (LPARAM)&msgf)) return FALSE; *wParam = msgf.wParam; *lParam = msgf.lParam; msgf.wParam = *wParam; return TRUE; } static void ME_UpdateSelectionLinkAttribute(ME_TextEditor *editor) { ME_DisplayItem *startPara, *endPara; ME_DisplayItem *prev_para; ME_Cursor *from, *to; ME_Cursor start; int nChars; if (!editor->AutoURLDetect_bEnable) return; ME_GetSelection(editor, &from, &to); /* Find paragraph previous to the one that contains start cursor */ startPara = from->pPara; prev_para = startPara->member.para.prev_para; if (prev_para->type == diParagraph) startPara = prev_para; /* Find paragraph that contains end cursor */ endPara = to->pPara->member.para.next_para; start.pPara = startPara; start.pRun = ME_FindItemFwd(startPara, diRun); start.nOffset = 0; nChars = endPara->member.para.nCharOfs - startPara->member.para.nCharOfs; ME_UpdateLinkAttribute(editor, &start, nChars); } 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; if (editor->bMouseCaptured) return FALSE; if (nKey != VK_SHIFT && nKey != VK_CONTROL && nKey != VK_MENU) editor->nSelectionType = stPosition; switch (nKey) { case VK_LEFT: case VK_RIGHT: case VK_HOME: case VK_END: editor->nUDArrowX = -1; /* fall through */ case VK_UP: case VK_DOWN: case VK_PRIOR: case VK_NEXT: ME_CommitUndo(editor); /* End coalesced undos for typed characters */ ME_ArrowKey(editor, nKey, shift_is_down, ctrl_is_down); return TRUE; case VK_BACK: case VK_DELETE: editor->nUDArrowX = -1; /* FIXME backspace and delete aren't the same, they act different wrt paragraph style of the merged paragraph */ if (editor->styleFlags & ES_READONLY) return FALSE; if (ME_IsSelection(editor)) { ME_DeleteSelection(editor); ME_CommitUndo(editor); } else if (nKey == VK_DELETE) { /* Delete stops group typing. * (See MSDN remarks on EM_STOPGROUPTYPING message) */ ME_DeleteTextAtCursor(editor, 1, 1); ME_CommitUndo(editor); } else if (ME_ArrowKey(editor, VK_LEFT, FALSE, FALSE)) { BOOL bDeletionSucceeded; /* Backspace can be grouped for a single undo */ ME_ContinueCoalescingTransaction(editor); bDeletionSucceeded = ME_DeleteTextAtCursor(editor, 1, 1); if (!bDeletionSucceeded && !editor->bEmulateVersion10) { /* v4.1 */ /* Deletion was prevented so the cursor is moved back to where it was. * (e.g. this happens when trying to delete cell boundaries) */ ME_ArrowKey(editor, VK_RIGHT, FALSE, FALSE); } ME_CommitCoalescingUndo(editor); } else return TRUE; ME_MoveCursorFromTableRowStartParagraph(editor); ME_UpdateSelectionLinkAttribute(editor); ME_UpdateRepaint(editor, FALSE); ME_SendRequestResize(editor, FALSE); return TRUE; case VK_RETURN: if (editor->bDialogMode) { if (ctrl_is_down) return TRUE; if (!(editor->styleFlags & ES_WANTRETURN)) { if (editor->hwndParent) { DWORD dw; dw = SendMessageW(editor->hwndParent, DM_GETDEFID, 0, 0); if (HIWORD(dw) == DC_HASDEFID) { HWND hwDefCtrl = GetDlgItem(editor->hwndParent, LOWORD(dw)); if (hwDefCtrl) { SendMessageW(editor->hwndParent, WM_NEXTDLGCTL, (WPARAM)hwDefCtrl, TRUE); PostMessageW(hwDefCtrl, WM_KEYDOWN, VK_RETURN, 0); } } } return TRUE; } } if (editor->styleFlags & ES_MULTILINE) { ME_Cursor cursor = editor->pCursors[0]; ME_DisplayItem *para = cursor.pPara; int from, to; const WCHAR endl = '\r'; const WCHAR endlv10[] = {'\r','\n'}; ME_Style *style; if (editor->styleFlags & ES_READONLY) { MessageBeep(MB_ICONERROR); return TRUE; } ME_GetSelectionOfs(editor, &from, &to); if (editor->nTextLimit > ME_GetTextLength(editor) - (to-from)) { if (!editor->bEmulateVersion10) { /* v4.1 */ if (para->member.para.nFlags & MEPF_ROWEND) { /* Add a new table row after this row. */ para = ME_AppendTableRow(editor, para); para = para->member.para.next_para; editor->pCursors[0].pPara = para; editor->pCursors[0].pRun = ME_FindItemFwd(para, diRun); editor->pCursors[0].nOffset = 0; editor->pCursors[1] = editor->pCursors[0]; ME_CommitUndo(editor); ME_CheckTablesForCorruption(editor); ME_UpdateRepaint(editor, FALSE); return TRUE; } else if (para == editor->pCursors[1].pPara && cursor.nOffset + cursor.pRun->member.run.nCharOfs == 0 && para->member.para.prev_para->member.para.nFlags & MEPF_ROWSTART && !para->member.para.prev_para->member.para.nCharOfs) { /* Insert a newline before the table. */ para = para->member.para.prev_para; para->member.para.nFlags &= ~MEPF_ROWSTART; editor->pCursors[0].pPara = para; editor->pCursors[0].pRun = ME_FindItemFwd(para, diRun); editor->pCursors[1] = editor->pCursors[0]; ME_InsertTextFromCursor(editor, 0, &endl, 1, editor->pCursors[0].pRun->member.run.style); para = editor->pBuffer->pFirst->member.para.next_para; ME_SetDefaultParaFormat(para->member.para.pFmt); para->member.para.nFlags = MEPF_REWRAP; editor->pCursors[0].pPara = para; editor->pCursors[0].pRun = ME_FindItemFwd(para, diRun); editor->pCursors[1] = editor->pCursors[0]; para->member.para.next_para->member.para.nFlags |= MEPF_ROWSTART; ME_CommitCoalescingUndo(editor); ME_CheckTablesForCorruption(editor); ME_UpdateRepaint(editor, FALSE); return TRUE; } } else { /* v1.0 - 3.0 */ ME_DisplayItem *para = cursor.pPara; if (ME_IsInTable(para)) { if (cursor.pRun->member.run.nFlags & MERF_ENDPARA) { if (from == to) { ME_ContinueCoalescingTransaction(editor); para = ME_AppendTableRow(editor, para); editor->pCursors[0].pPara = para; editor->pCursors[0].pRun = ME_FindItemFwd(para, diRun); editor->pCursors[0].nOffset = 0; editor->pCursors[1] = editor->pCursors[0]; ME_CommitCoalescingUndo(editor); ME_UpdateRepaint(editor, FALSE); return TRUE; } } else { ME_ContinueCoalescingTransaction(editor); if (cursor.pRun->member.run.nCharOfs + cursor.nOffset == 0 && !ME_IsInTable(para->member.para.prev_para)) { /* Insert newline before table */ cursor.pRun = ME_FindItemBack(para, diRun); if (cursor.pRun) { editor->pCursors[0].pRun = cursor.pRun; editor->pCursors[0].pPara = para->member.para.prev_para; } editor->pCursors[0].nOffset = 0; editor->pCursors[1] = editor->pCursors[0]; ME_InsertTextFromCursor(editor, 0, &endl, 1, editor->pCursors[0].pRun->member.run.style); } else { editor->pCursors[1] = editor->pCursors[0]; para = ME_AppendTableRow(editor, para); editor->pCursors[0].pPara = para; editor->pCursors[0].pRun = ME_FindItemFwd(para, diRun); editor->pCursors[0].nOffset = 0; editor->pCursors[1] = editor->pCursors[0]; } ME_CommitCoalescingUndo(editor); ME_UpdateRepaint(editor, FALSE); return TRUE; } } } style = ME_GetInsertStyle(editor, 0); ME_SaveTempStyle(editor); ME_ContinueCoalescingTransaction(editor); if (shift_is_down) ME_InsertEndRowFromCursor(editor, 0); else if (!editor->bEmulateVersion10) ME_InsertTextFromCursor(editor, 0, &endl, 1, style); else ME_InsertTextFromCursor(editor, 0, endlv10, 2, style); ME_ReleaseStyle(style); ME_CommitCoalescingUndo(editor); SetCursor(NULL); ME_UpdateSelectionLinkAttribute(editor); ME_UpdateRepaint(editor, FALSE); } return TRUE; } break; case VK_ESCAPE: if (editor->bDialogMode && editor->hwndParent) PostMessageW(editor->hwndParent, WM_CLOSE, 0, 0); return TRUE; case VK_TAB: if (editor->bDialogMode && editor->hwndParent) SendMessageW(editor->hwndParent, WM_NEXTDLGCTL, shift_is_down, 0); return TRUE; case 'A': if (ctrl_is_down) { handle_EM_EXSETSEL( editor, 0, -1 ); return TRUE; } break; case 'V': if (ctrl_is_down) return ME_Paste(editor); break; case 'C': case 'X': if (ctrl_is_down) { BOOL result; int nOfs, nChars; int nStartCur = ME_GetSelectionOfs(editor, &nOfs, &nChars); ME_Cursor *selStart = &editor->pCursors[nStartCur]; nChars -= nOfs; result = ME_Copy(editor, selStart, nChars); if (result && nKey == 'X') { ME_InternalDeleteText(editor, selStart, nChars, FALSE); ME_CommitUndo(editor); ME_UpdateRepaint(editor, TRUE); } return result; } break; case 'Z': if (ctrl_is_down) { ME_Undo(editor); return TRUE; } break; case 'Y': if (ctrl_is_down) { ME_Redo(editor); return TRUE; } break; default: if (nKey != VK_SHIFT && nKey != VK_CONTROL && nKey && nKey != VK_MENU) editor->nUDArrowX = -1; 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 LRESULT ME_Char(ME_TextEditor *editor, WPARAM charCode, LPARAM flags, BOOL unicode) { WCHAR wstr; if (editor->bMouseCaptured) return 0; if (unicode) wstr = (WCHAR)charCode; else { CHAR charA = charCode; MultiByteToWideChar(CP_ACP, 0, &charA, 1, &wstr, 1); } if (editor->styleFlags & ES_READONLY) { MessageBeep(MB_ICONERROR); return 0; /* FIXME really 0 ? */ } if ((unsigned)wstr >= ' ' || wstr == '\t') { ME_Cursor cursor = editor->pCursors[0]; ME_DisplayItem *para = cursor.pPara; int from, to; BOOL ctrl_is_down = GetKeyState(VK_CONTROL) & 0x8000; ME_GetSelectionOfs(editor, &from, &to); if (wstr == '\t' && /* v4.1 allows tabs to be inserted with ctrl key down */ !(ctrl_is_down && !editor->bEmulateVersion10)) { ME_DisplayItem *para; BOOL bSelectedRow = FALSE; para = cursor.pPara; if (ME_IsSelection(editor) && cursor.pRun->member.run.nCharOfs + cursor.nOffset == 0 && to == ME_GetCursorOfs(&editor->pCursors[0]) && para->member.para.prev_para->type == diParagraph) { para = para->member.para.prev_para; bSelectedRow = TRUE; } if (ME_IsInTable(para)) { ME_TabPressedInTable(editor, bSelectedRow); ME_CommitUndo(editor); return 0; } } else if (!editor->bEmulateVersion10) { /* v4.1 */ if (para->member.para.nFlags & MEPF_ROWEND) { if (from == to) { para = para->member.para.next_para; if (para->member.para.nFlags & MEPF_ROWSTART) para = para->member.para.next_para; editor->pCursors[0].pPara = para; editor->pCursors[0].pRun = ME_FindItemFwd(para, diRun); editor->pCursors[0].nOffset = 0; editor->pCursors[1] = editor->pCursors[0]; } } } else { /* v1.0 - 3.0 */ if (ME_IsInTable(cursor.pRun) && cursor.pRun->member.run.nFlags & MERF_ENDPARA && from == to) { /* Text should not be inserted at the end of the table. */ MessageBeep(-1); return 0; } } /* FIXME maybe it would make sense to call EM_REPLACESEL instead ? */ /* WM_CHAR is restricted to nTextLimit */ if(editor->nTextLimit > ME_GetTextLength(editor) - (to-from)) { ME_Style *style = ME_GetInsertStyle(editor, 0); ME_SaveTempStyle(editor); ME_ContinueCoalescingTransaction(editor); ME_InsertTextFromCursor(editor, 0, &wstr, 1, style); ME_ReleaseStyle(style); ME_CommitCoalescingUndo(editor); ITextHost_TxSetCursor(editor->texthost, NULL, FALSE); } ME_UpdateSelectionLinkAttribute(editor); ME_UpdateRepaint(editor, FALSE); } return 0; } /* Process the message and calculate the new click count. * * returns: The click count if it is mouse down event, else returns 0. */ static int ME_CalculateClickCount(ME_TextEditor *editor, UINT msg, WPARAM wParam, LPARAM lParam) { static int clickNum = 0; if (msg < WM_MOUSEFIRST || msg > WM_MOUSELAST) return 0; if ((msg == WM_LBUTTONDBLCLK) || (msg == WM_RBUTTONDBLCLK) || (msg == WM_MBUTTONDBLCLK) || (msg == WM_XBUTTONDBLCLK)) { msg -= (WM_LBUTTONDBLCLK - WM_LBUTTONDOWN); } if ((msg == WM_LBUTTONDOWN) || (msg == WM_RBUTTONDOWN) || (msg == WM_MBUTTONDOWN) || (msg == WM_XBUTTONDOWN)) { static MSG prevClickMsg; MSG clickMsg; /* Compare the editor instead of the hwnd so that the this * can still be done for windowless richedit controls. */ clickMsg.hwnd = (HWND)editor; clickMsg.message = msg; clickMsg.wParam = wParam; clickMsg.lParam = lParam; clickMsg.time = GetMessageTime(); clickMsg.pt.x = (short)LOWORD(lParam); clickMsg.pt.y = (short)HIWORD(lParam); if ((clickNum != 0) && (clickMsg.message == prevClickMsg.message) && (clickMsg.hwnd == prevClickMsg.hwnd) && (clickMsg.wParam == prevClickMsg.wParam) && (clickMsg.time - prevClickMsg.time < GetDoubleClickTime()) && (abs(clickMsg.pt.x - prevClickMsg.pt.x) < GetSystemMetrics(SM_CXDOUBLECLK)/2) && (abs(clickMsg.pt.y - prevClickMsg.pt.y) < GetSystemMetrics(SM_CYDOUBLECLK)/2)) { clickNum++; } else { clickNum = 1; } prevClickMsg = clickMsg; } else { return 0; } return clickNum; } static BOOL ME_SetCursor(ME_TextEditor *editor) { ME_Cursor cursor; POINT pt; BOOL isExact; SCROLLBARINFO sbi; DWORD messagePos = GetMessagePos(); pt.x = (short)LOWORD(messagePos); pt.y = (short)HIWORD(messagePos); if (editor->hWnd) { sbi.cbSize = sizeof(sbi); GetScrollBarInfo(editor->hWnd, OBJID_HSCROLL, &sbi); if (!(sbi.rgstate[0] & (STATE_SYSTEM_INVISIBLE|STATE_SYSTEM_OFFSCREEN)) && PtInRect(&sbi.rcScrollBar, pt)) { ITextHost_TxSetCursor(editor->texthost, LoadCursorW(NULL, (WCHAR*)IDC_ARROW), FALSE); return TRUE; } sbi.cbSize = sizeof(sbi); GetScrollBarInfo(editor->hWnd, OBJID_VSCROLL, &sbi); if (!(sbi.rgstate[0] & (STATE_SYSTEM_INVISIBLE|STATE_SYSTEM_OFFSCREEN)) && PtInRect(&sbi.rcScrollBar, pt)) { ITextHost_TxSetCursor(editor->texthost, LoadCursorW(NULL, (WCHAR*)IDC_ARROW), FALSE); return TRUE; } } ITextHost_TxScreenToClient(editor->texthost, &pt); if (editor->nSelectionType == stLine && editor->bMouseCaptured) { ITextHost_TxSetCursor(editor->texthost, hLeft, FALSE); return TRUE; } if (!editor->bEmulateVersion10 /* v4.1 */ && pt.y < editor->rcFormat.top && pt.x < editor->rcFormat.left) { ITextHost_TxSetCursor(editor->texthost, hLeft, FALSE); return TRUE; } if (pt.y < editor->rcFormat.top || pt.y > editor->rcFormat.bottom) { if (editor->bEmulateVersion10) /* v1.0 - 3.0 */ ITextHost_TxSetCursor(editor->texthost, LoadCursorW(NULL, (WCHAR*)IDC_ARROW), FALSE); else /* v4.1 */ ITextHost_TxSetCursor(editor->texthost, LoadCursorW(NULL, (WCHAR*)IDC_IBEAM), TRUE); return TRUE; } if (pt.x < editor->rcFormat.left) { ITextHost_TxSetCursor(editor->texthost, hLeft, FALSE); return TRUE; } ME_CharFromPos(editor, pt.x, pt.y, &cursor, &isExact); if (isExact) { ME_Run *run; run = &cursor.pRun->member.run; if (run->style->fmt.dwMask & CFM_LINK && run->style->fmt.dwEffects & CFE_LINK) { ITextHost_TxSetCursor(editor->texthost, LoadCursorW(NULL, (WCHAR*)IDC_HAND), FALSE); return TRUE; } if (ME_IsSelection(editor)) { int selStart, selEnd; int offset = ME_GetCursorOfs(&cursor); ME_GetSelectionOfs(editor, &selStart, &selEnd); if (selStart <= offset && selEnd >= offset) { ITextHost_TxSetCursor(editor->texthost, LoadCursorW(NULL, (WCHAR*)IDC_ARROW), FALSE); return TRUE; } } } ITextHost_TxSetCursor(editor->texthost, LoadCursorW(NULL, (WCHAR*)IDC_IBEAM), TRUE); return TRUE; } static void ME_SetDefaultFormatRect(ME_TextEditor *editor) { ITextHost_TxGetClientRect(editor->texthost, &editor->rcFormat); editor->rcFormat.top += editor->exStyleFlags & WS_EX_CLIENTEDGE ? 1 : 0; editor->rcFormat.left += 1 + editor->selofs; editor->rcFormat.right -= 1; } static BOOL ME_ShowContextMenu(ME_TextEditor *editor, int x, int y) { CHARRANGE selrange; HMENU menu; int seltype = 0; if(!editor->lpOleCallback || !editor->hWnd) return FALSE; ME_GetSelectionOfs(editor, &selrange.cpMin, &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, editor->hwndParent, NULL); DestroyMenu(menu); } return TRUE; } ME_TextEditor *ME_MakeEditor(ITextHost *texthost, BOOL bEmulateVersion10) { ME_TextEditor *ed = ALLOC_OBJ(ME_TextEditor); int i; DWORD props; LONG selbarwidth; ed->hWnd = NULL; ed->hwndParent = NULL; ed->sizeWindow.cx = ed->sizeWindow.cy = 0; ed->texthost = texthost; ed->reOle = NULL; ed->bEmulateVersion10 = bEmulateVersion10; ed->styleFlags = 0; ITextHost_TxGetPropertyBits(texthost, (TXTBIT_RICHTEXT|TXTBIT_MULTILINE| TXTBIT_READONLY|TXTBIT_USEPASSWORD| TXTBIT_HIDESELECTION|TXTBIT_SAVESELECTION| TXTBIT_AUTOWORDSEL|TXTBIT_VERTICAL| TXTBIT_WORDWRAP|TXTBIT_DISABLEDRAG), &props); ITextHost_TxGetScrollBars(texthost, &ed->styleFlags); ed->styleFlags &= (WS_VSCROLL|WS_HSCROLL|ES_AUTOVSCROLL| ES_AUTOHSCROLL|ES_DISABLENOSCROLL); ed->pBuffer = ME_MakeText(); ed->nZoomNumerator = ed->nZoomDenominator = 0; ed->nAvailWidth = 0; /* wrap to client area */ ME_MakeFirstParagraph(ed); /* The four cursors are for: * 0 - The position where the caret is shown * 1 - The anchored end of the selection (for normal selection) * 2 & 3 - The anchored start and end respectively for word, line, * or paragraph selection. */ ed->nCursors = 4; ed->pCursors = ALLOC_N_OBJ(ME_Cursor, ed->nCursors); ME_SetCursorToStart(ed, &ed->pCursors[0]); ed->pCursors[1] = ed->pCursors[0]; ed->pCursors[2] = ed->pCursors[0]; ed->pCursors[3] = ed->pCursors[1]; ed->nLastTotalLength = ed->nTotalLength = 0; ed->nLastTotalWidth = ed->nTotalWidth = 0; ed->nUDArrowX = -1; ed->rgbBackColor = -1; ed->hbrBackground = GetSysColorBrush(COLOR_WINDOW); ed->bCaretAtEnd = FALSE; ed->nEventMask = 0; ed->nModifyStep = 0; ed->nTextLimit = TEXT_LIMIT_DEFAULT; list_init( &ed->undo_stack ); list_init( &ed->redo_stack ); ed->nUndoStackSize = 0; ed->nUndoLimit = STACK_SIZE_DEFAULT; ed->nUndoMode = umAddToUndo; ed->nParagraphs = 1; ed->nLastSelStart = ed->nLastSelEnd = 0; ed->pLastSelStartPara = ed->pLastSelEndPara = ed->pCursors[0].pPara; ed->bHideSelection = FALSE; ed->pfnWordBreak = NULL; ed->lpOleCallback = NULL; ed->mode = TM_MULTILEVELUNDO | TM_MULTICODEPAGE; ed->mode |= (props & TXTBIT_RICHTEXT) ? TM_RICHTEXT : TM_PLAINTEXT; ed->AutoURLDetect_bEnable = FALSE; ed->bHaveFocus = FALSE; ed->bDialogMode = FALSE; ed->bMouseCaptured = FALSE; for (i=0; ipFontCache[i].nRefs = 0; ed->pFontCache[i].nAge = 0; ed->pFontCache[i].hFont = NULL; } ME_CheckCharOffsets(ed); ed->bDefaultFormatRect = TRUE; ITextHost_TxGetSelectionBarWidth(ed->texthost, &selbarwidth); if (selbarwidth) { /* FIXME: Convert selbarwidth from HIMETRIC to pixels */ ed->selofs = SELECTIONBAR_WIDTH; ed->styleFlags |= ES_SELECTIONBAR; } else { ed->selofs = 0; } ed->nSelectionType = stPosition; ed->cPasswordMask = 0; if (props & TXTBIT_USEPASSWORD) ITextHost_TxGetPasswordChar(texthost, &ed->cPasswordMask); if (props & TXTBIT_AUTOWORDSEL) ed->styleFlags |= ECO_AUTOWORDSELECTION; if (props & TXTBIT_MULTILINE) { ed->styleFlags |= ES_MULTILINE; ed->bWordWrap = (props & TXTBIT_WORDWRAP) != 0; } else { ed->bWordWrap = FALSE; } if (props & TXTBIT_READONLY) ed->styleFlags |= ES_READONLY; if (!(props & TXTBIT_HIDESELECTION)) ed->styleFlags |= ES_NOHIDESEL; if (props & TXTBIT_SAVESELECTION) ed->styleFlags |= ES_SAVESEL; if (props & TXTBIT_VERTICAL) ed->styleFlags |= ES_VERTICAL; if (props & TXTBIT_DISABLEDRAG) ed->styleFlags |= ES_NOOLEDRAGDROP; ed->notified_cr.cpMin = ed->notified_cr.cpMax = 0; /* Default scrollbar information */ ed->vert_si.cbSize = sizeof(SCROLLINFO); ed->vert_si.nMin = 0; ed->vert_si.nMax = 0; ed->vert_si.nPage = 0; ed->vert_si.nPos = 0; ed->horz_si.cbSize = sizeof(SCROLLINFO); ed->horz_si.nMin = 0; ed->horz_si.nMax = 0; ed->horz_si.nPage = 0; ed->horz_si.nPos = 0; ed->wheel_remain = 0; OleInitialize(NULL); return ed; } 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); } if (editor->rgbBackColor != -1) DeleteObject(editor->hbrBackground); if(editor->lpOleCallback) IRichEditOleCallback_Release(editor->lpOleCallback); ITextHost_Release(editor->texthost); if (editor->reOle) { IRichEditOle_Release(editor->reOle); editor->reOle = NULL; } OleUninitialize(); FREE_OBJ(editor->pBuffer); FREE_OBJ(editor->pCursors); FREE_OBJ(editor); } 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); if (!ME_RegisterEditorClass(hinstDLL)) return FALSE; hLeft = LoadCursorW(hinstDLL, MAKEINTRESOURCEW(OCR_REVERSE)); LookupInit(); break; case DLL_PROCESS_DETACH: if (lpvReserved) break; UnregisterClassW(RICHEDIT_CLASS20W, 0); UnregisterClassW(MSFTEDIT_CLASS, 0); UnregisterClassA(RICHEDIT_CLASS20A, 0); UnregisterClassA("RichEdit50A", 0); if (ME_ListBoxRegistered) UnregisterClassW(REListBox20W, 0); if (ME_ComboBoxRegistered) UnregisterClassW(REComboBox20W, 0); LookupCleanup(); HeapDestroy (me_heap); release_typelib(); break; } return TRUE; } static inline int get_default_line_height( ME_TextEditor *editor ) { int height = 0; if (editor->pBuffer && editor->pBuffer->pDefaultStyle) height = editor->pBuffer->pDefaultStyle->tm.tmHeight; if (height <= 0) height = 24; return height; } static inline int calc_wheel_change( int *remain, int amount_per_click ) { int change = amount_per_click * (float)*remain / WHEEL_DELTA; *remain -= WHEEL_DELTA * change / amount_per_click; return change; } 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", "EM_SETIMESTATUS", "EM_GETIMESTATUS" }; 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 ""; } static void ME_LinkNotify(ME_TextEditor *editor, UINT msg, WPARAM wParam, LPARAM lParam) { int x,y; BOOL isExact; ME_Cursor cursor; /* The start of the clicked text. */ ENLINK info; x = (short)LOWORD(lParam); y = (short)HIWORD(lParam); ME_CharFromPos(editor, x, y, &cursor, &isExact); if (!isExact) return; if (cursor.pRun->member.run.style->fmt.dwMask & CFM_LINK && cursor.pRun->member.run.style->fmt.dwEffects & CFE_LINK) { /* The clicked run has CFE_LINK set */ ME_DisplayItem *di; info.nmhdr.hwndFrom = NULL; info.nmhdr.idFrom = 0; info.nmhdr.code = EN_LINK; info.msg = msg; info.wParam = wParam; info.lParam = lParam; cursor.nOffset = 0; /* find the first contiguous run with CFE_LINK set */ info.chrg.cpMin = ME_GetCursorOfs(&cursor); for (di = cursor.pRun->prev; di && di->type == diRun && (di->member.run.style->fmt.dwMask & CFM_LINK) && (di->member.run.style->fmt.dwEffects & CFE_LINK); di = di->prev) { info.chrg.cpMin -= di->member.run.len; } /* find the last contiguous run with CFE_LINK set */ info.chrg.cpMax = ME_GetCursorOfs(&cursor) + cursor.pRun->member.run.len; for (di = cursor.pRun->next; di && di->type == diRun && (di->member.run.style->fmt.dwMask & CFM_LINK) && (di->member.run.style->fmt.dwEffects & CFE_LINK); di = di->next) { info.chrg.cpMax += di->member.run.len; } ITextHost_TxNotify(editor->texthost, info.nmhdr.code, &info); } } void ME_ReplaceSel(ME_TextEditor *editor, BOOL can_undo, const WCHAR *str, int len) { int from, to, nStartCursor; ME_Style *style; nStartCursor = ME_GetSelectionOfs(editor, &from, &to); style = ME_GetSelectionInsertStyle(editor); ME_InternalDeleteText(editor, &editor->pCursors[nStartCursor], to-from, FALSE); ME_InsertTextFromCursor(editor, 0, str, len, style); ME_ReleaseStyle(style); /* 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 && str[len-1] == '\n') ME_ClearTempStyle(editor); ME_CommitUndo(editor); ME_UpdateSelectionLinkAttribute(editor); if (!can_undo) ME_EmptyUndoStack(editor); ME_UpdateRepaint(editor, FALSE); } static void ME_SetText(ME_TextEditor *editor, void *text, BOOL unicode) { LONG codepage = unicode ? CP_UNICODE : CP_ACP; int textLen; LPWSTR wszText = ME_ToUnicode(codepage, text, &textLen); if (textLen > 0) { int len = -1; /* uses default style! */ if (!(editor->styleFlags & ES_MULTILINE)) { WCHAR *p = wszText; while (*p != '\0' && *p != '\r' && *p != '\n') p++; len = p - wszText; } ME_InsertTextFromCursor(editor, 0, wszText, len, editor->pBuffer->pDefaultStyle); } ME_EndToUnicode(codepage, wszText); } static LRESULT ME_WmCreate(ME_TextEditor *editor, LPARAM lParam, BOOL unicode) { CREATESTRUCTW *createW = (CREATESTRUCTW*)lParam; CREATESTRUCTA *createA = (CREATESTRUCTA*)lParam; void *text = NULL; INT max; if (lParam) text = unicode ? (void*)createW->lpszName : (void*)createA->lpszName; ME_SetDefaultFormatRect(editor); max = (editor->styleFlags & ES_DISABLENOSCROLL) ? 1 : 0; if (~editor->styleFlags & ES_DISABLENOSCROLL || editor->styleFlags & WS_VSCROLL) ITextHost_TxSetScrollRange(editor->texthost, SB_VERT, 0, max, TRUE); if (~editor->styleFlags & ES_DISABLENOSCROLL || editor->styleFlags & WS_HSCROLL) ITextHost_TxSetScrollRange(editor->texthost, SB_HORZ, 0, max, TRUE); if (editor->styleFlags & ES_DISABLENOSCROLL) { if (editor->styleFlags & WS_VSCROLL) { ITextHost_TxEnableScrollBar(editor->texthost, SB_VERT, ESB_DISABLE_BOTH); ITextHost_TxShowScrollBar(editor->texthost, SB_VERT, TRUE); } if (editor->styleFlags & WS_HSCROLL) { ITextHost_TxEnableScrollBar(editor->texthost, SB_HORZ, ESB_DISABLE_BOTH); ITextHost_TxShowScrollBar(editor->texthost, SB_HORZ, TRUE); } } if (text) { ME_SetText(editor, text, unicode); ME_SetCursorToStart(editor, &editor->pCursors[0]); ME_SetCursorToStart(editor, &editor->pCursors[1]); } ME_CommitUndo(editor); ME_WrapMarkedParagraphs(editor); ME_MoveCaret(editor); return 0; } #define UNSUPPORTED_MSG(e) \ case e: \ FIXME(#e ": stub\n"); \ *phresult = S_FALSE; \ return 0; /* Handle messages for windowless and windowed richedit controls. * * The LRESULT that is returned is a return value for window procs, * and the phresult parameter is the COM return code needed by the * text services interface. */ LRESULT ME_HandleMessage(ME_TextEditor *editor, UINT msg, WPARAM wParam, LPARAM lParam, BOOL unicode, HRESULT* phresult) { *phresult = S_OK; 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) UNSUPPORTED_MSG(EM_SETIMESTATUS) UNSUPPORTED_MSG(EM_GETLANGOPTIONS) UNSUPPORTED_MSG(EM_GETREDONAME) UNSUPPORTED_MSG(EM_GETTYPOGRAPHYOPTIONS) UNSUPPORTED_MSG(EM_GETUNDONAME) UNSUPPORTED_MSG(EM_GETWORDBREAKPROCEX) 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_SETMARGINS) UNSUPPORTED_MSG(EM_SETPALETTE) UNSUPPORTED_MSG(EM_SETTABSTOPS) UNSUPPORTED_MSG(EM_SETTYPOGRAPHYOPTIONS) UNSUPPORTED_MSG(EM_SETWORDBREAKPROCEX) /* Messages specific to Richedit controls */ case EM_STREAMIN: return ME_StreamIn(editor, wParam, (EDITSTREAM*)lParam, TRUE); case EM_STREAMOUT: return ME_StreamOut(editor, wParam, (EDITSTREAM *)lParam); case WM_GETDLGCODE: { UINT code = DLGC_WANTCHARS|DLGC_WANTTAB|DLGC_WANTARROWS; if (lParam) editor->bDialogMode = TRUE; if (editor->styleFlags & ES_MULTILINE) code |= DLGC_WANTMESSAGE; if (!(editor->styleFlags & ES_SAVESEL)) code |= DLGC_HASSETSEL; return code; } 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_GetSelectionOfs(editor, (int *)pfrom, (int *)pto); if ((*pfrom|*pto) & 0xFFFF0000) return -1; return MAKELONG(*pfrom,*pto); } case EM_EXGETSEL: { CHARRANGE *pRange = (CHARRANGE *)lParam; ME_GetSelectionOfs(editor, &pRange->cpMin, &pRange->cpMax); TRACE("EM_EXGETSEL = (%d,%d)\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 maximum. */ return editor->nUndoLimit; } case EM_CANUNDO: return !list_empty( &editor->undo_stack ); case EM_CANREDO: return !list_empty( &editor->redo_stack ); case WM_UNDO: /* FIXME: actually not the same */ case EM_UNDO: return ME_Undo(editor); case EM_REDO: return ME_Redo(editor); 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 | ECO_SELECTIONBAR; DWORD settings = editor->styleFlags & mask; return settings; } case EM_SETOPTIONS: { /* these flags are equivalent to ES_* counterparts, except for * ECO_AUTOWORDSELECTION that doesn't have an ES_* counterpart, * but is still stored in editor->styleFlags. */ const DWORD mask = ECO_VERTICAL | ECO_AUTOHSCROLL | ECO_AUTOVSCROLL | ECO_NOHIDESEL | ECO_READONLY | ECO_WANTRETURN | ECO_SELECTIONBAR | ECO_AUTOWORDSELECTION; DWORD settings = mask & editor->styleFlags; DWORD oldSettings = settings; DWORD changedSettings; 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; } changedSettings = oldSettings ^ settings; if (changedSettings) { editor->styleFlags = (editor->styleFlags & ~mask) | (settings & mask); if (changedSettings & ECO_SELECTIONBAR) { ITextHost_TxInvalidateRect(editor->texthost, &editor->rcFormat, TRUE); if (settings & ECO_SELECTIONBAR) { assert(!editor->selofs); editor->selofs = SELECTIONBAR_WIDTH; editor->rcFormat.left += editor->selofs; } else { editor->rcFormat.left -= editor->selofs; editor->selofs = 0; } ME_RewrapRepaint(editor); } if (changedSettings & settings & ECO_VERTICAL) FIXME("ECO_VERTICAL not implemented yet!\n"); if (changedSettings & settings & ECO_AUTOHSCROLL) FIXME("ECO_AUTOHSCROLL not implemented yet!\n"); if (changedSettings & settings & ECO_AUTOVSCROLL) FIXME("ECO_AUTOVSCROLL not implemented yet!\n"); if (changedSettings & settings & ECO_NOHIDESEL) FIXME("ECO_NOHIDESEL not implemented yet!\n"); if (changedSettings & settings & ECO_WANTRETURN) FIXME("ECO_WANTRETURN not implemented yet!\n"); if (changedSettings & settings & ECO_AUTOWORDSELECTION) FIXME("ECO_AUTOWORDSELECTION not implemented yet!\n"); } return settings; } case EM_SETSEL: { return handle_EM_EXSETSEL( editor, wParam, lParam ); } case EM_SETSCROLLPOS: { POINT *point = (POINT *)lParam; ME_ScrollAbs(editor, point->x, point->y); 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 range = *(CHARRANGE *)lParam; return handle_EM_EXSETSEL( editor, range.cpMin, range.cpMax ); } case EM_SHOWSCROLLBAR: { DWORD flags; switch (wParam) { case SB_HORZ: flags = WS_HSCROLL; break; case SB_VERT: flags = WS_VSCROLL; break; case SB_BOTH: flags = WS_HSCROLL|WS_VSCROLL; break; default: return 0; } if (lParam) { editor->styleFlags |= flags; if (flags & WS_HSCROLL) ITextHost_TxShowScrollBar(editor->texthost, SB_HORZ, editor->nTotalWidth > editor->sizeWindow.cx); if (flags & WS_VSCROLL) ITextHost_TxShowScrollBar(editor->texthost, SB_VERT, editor->nTotalLength > editor->sizeWindow.cy); } else { editor->styleFlags &= ~flags; ITextHost_TxShowScrollBar(editor->texthost, wParam, FALSE); } return 0; } case EM_SETTEXTEX: { LPWSTR wszText; SETTEXTEX *pStruct = (SETTEXTEX *)wParam; int from, to, len; ME_Style *style; BOOL bRtf, bUnicode, bSelection, bUTF8; int oldModify = editor->nModifyStep; static const char utf8_bom[] = {0xef, 0xbb, 0xbf}; if (!pStruct) return 0; /* If we detect ascii rtf at the start of the string, * we know it isn't unicode. */ bRtf = (lParam && (!strncmp((char *)lParam, "{\\rtf", 5) || !strncmp((char *)lParam, "{\\urtf", 6))); bUnicode = !bRtf && pStruct->codepage == CP_UNICODE; bUTF8 = (lParam && (!strncmp((char *)lParam, utf8_bom, 3))); TRACE("EM_SETTEXTEX - %s, flags %d, cp %d\n", bUnicode ? debugstr_w((LPCWSTR)lParam) : debugstr_a((LPCSTR)lParam), pStruct->flags, pStruct->codepage); bSelection = (pStruct->flags & ST_SELECTION) != 0; if (bSelection) { int nStartCursor = ME_GetSelectionOfs(editor, &from, &to); style = ME_GetSelectionInsertStyle(editor); ME_InternalDeleteText(editor, &editor->pCursors[nStartCursor], to - from, FALSE); } else { ME_Cursor start; ME_SetCursorToStart(editor, &start); ME_InternalDeleteText(editor, &start, ME_GetTextLength(editor), FALSE); style = editor->pBuffer->pDefaultStyle; } if (bRtf) { ME_StreamInRTFString(editor, bSelection, (char *)lParam); if (bSelection) { /* FIXME: The length returned doesn't include the rtf control * characters, only the actual text. */ len = lParam ? strlen((char *)lParam) : 0; } } else { if (bUTF8 && !bUnicode) { wszText = ME_ToUnicode(CP_UTF8, (void *)(lParam+3), &len); ME_InsertTextFromCursor(editor, 0, wszText, len, style); ME_EndToUnicode(CP_UTF8, wszText); } else { wszText = ME_ToUnicode(pStruct->codepage, (void *)lParam, &len); ME_InsertTextFromCursor(editor, 0, wszText, len, style); ME_EndToUnicode(pStruct->codepage, wszText); } } if (bSelection) { ME_ReleaseStyle(style); ME_UpdateSelectionLinkAttribute(editor); } else { ME_Cursor cursor; len = 1; ME_SetCursorToStart(editor, &cursor); ME_UpdateLinkAttribute(editor, &cursor, INT_MAX); } ME_CommitUndo(editor); if (!(pStruct->flags & ST_KEEPUNDO)) { editor->nModifyStep = oldModify; ME_EmptyUndoStack(editor); } ME_UpdateRepaint(editor, FALSE); return len; } case EM_SETBKGNDCOLOR: { LRESULT lColor; if (editor->rgbBackColor != -1) { DeleteObject(editor->hbrBackground); lColor = editor->rgbBackColor; } else lColor = ITextHost_TxGetSysColor(editor->texthost, COLOR_WINDOW); if (wParam) { editor->rgbBackColor = -1; editor->hbrBackground = GetSysColorBrush(COLOR_WINDOW); } else { editor->rgbBackColor = lParam; editor->hbrBackground = CreateSolidBrush(editor->rgbBackColor); } ITextHost_TxInvalidateRect(editor->texthost, NULL, TRUE); ITextHost_TxViewChange(editor->texthost, TRUE); return lColor; } case EM_GETMODIFY: return editor->nModifyStep == 0 ? 0 : -1; case EM_SETMODIFY: { if (wParam) editor->nModifyStep = 1; else editor->nModifyStep = 0; return 0; } case EM_SETREADONLY: { if (wParam) editor->styleFlags |= ES_READONLY; else editor->styleFlags &= ~ES_READONLY; return 1; } 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 (p == NULL) return 0; if (wParam & SCF_ALL) { if (editor->mode & TM_PLAINTEXT) { ME_SetDefaultCharFormat(editor, p); } else { ME_Cursor start; ME_SetCursorToStart(editor, &start); ME_SetCharFormat(editor, &start, NULL, p); editor->nModifyStep = 1; } } else if (wParam & SCF_SELECTION) { if (editor->mode & TM_PLAINTEXT) return 0; if (wParam & SCF_WORD) { ME_Cursor start; ME_Cursor end = editor->pCursors[0]; ME_MoveCursorWords(editor, &end, +1); start = end; ME_MoveCursorWords(editor, &start, -1); ME_SetCharFormat(editor, &start, &end, p); } bRepaint = ME_IsSelection(editor); ME_SetSelectionCharFormat(editor, p); if (bRepaint) editor->nModifyStep = 1; } else { /* SCF_DEFAULT */ ME_SetDefaultCharFormat(editor, p); } ME_CommitUndo(editor); if (bRepaint) { ME_WrapMarkedParagraphs(editor); ME_UpdateScrollBar(editor); ME_Repaint(editor); } return 1; } 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: { BOOL result = ME_SetSelectionParaFormat(editor, (PARAFORMAT2 *)lParam); ME_WrapMarkedParagraphs(editor); ME_UpdateScrollBar(editor); ME_Repaint(editor); ME_CommitUndo(editor); return result; } case EM_GETPARAFORMAT: ME_GetSelectionParaFormat(editor, (PARAFORMAT2 *)lParam); return ((PARAFORMAT2 *)lParam)->dwMask; case EM_GETFIRSTVISIBLELINE: { ME_DisplayItem *p = editor->pBuffer->pFirst; int y = editor->vert_si.nPos; 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.pt.y; continue; } ystart = ypara + p->member.row.pt.y; 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: { if (!(editor->styleFlags & ES_MULTILINE)) return FALSE; ME_ScrollDown( editor, lParam * get_default_line_height( editor ) ); return TRUE; } case WM_CLEAR: { int from, to; int nStartCursor = ME_GetSelectionOfs(editor, &from, &to); ME_InternalDeleteText(editor, &editor->pCursors[nStartCursor], to-from, FALSE); ME_CommitUndo(editor); ME_UpdateRepaint(editor, TRUE); return 0; } case EM_REPLACESEL: { int len = 0; LONG codepage = unicode ? CP_UNICODE : CP_ACP; LPWSTR wszText = ME_ToUnicode(codepage, (void *)lParam, &len); TRACE("EM_REPLACESEL - %s\n", debugstr_w(wszText)); ME_ReplaceSel(editor, !!wParam, wszText, len); ME_EndToUnicode(codepage, wszText); return len; } case EM_SCROLLCARET: ME_EnsureVisible(editor, &editor->pCursors[0]); 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 = ITextHost_TxGetDC(editor->texthost); ME_CharFormatFromLogFont(hDC, &lf, &fmt); ITextHost_TxReleaseDC(editor->texthost, hDC); if (editor->mode & TM_RICHTEXT) { ME_Cursor start; ME_SetCursorToStart(editor, &start); ME_SetCharFormat(editor, &start, NULL, &fmt); } ME_SetDefaultCharFormat(editor, &fmt); ME_CommitUndo(editor); ME_MarkAllForWrapping(editor); ME_WrapMarkedParagraphs(editor); ME_UpdateScrollBar(editor); if (bRepaint) ME_Repaint(editor); return 0; } case WM_SETTEXT: { ME_Cursor cursor; ME_SetCursorToStart(editor, &cursor); ME_InternalDeleteText(editor, &cursor, ME_GetTextLength(editor), FALSE); if (lParam) { TRACE("WM_SETTEXT lParam==%lx\n",lParam); if (!strncmp((char *)lParam, "{\\rtf", 5) || !strncmp((char *)lParam, "{\\urtf", 6)) { /* Undocumented: WM_SETTEXT supports RTF text */ ME_StreamInRTFString(editor, 0, (char *)lParam); } else ME_SetText(editor, (void*)lParam, unicode); } else TRACE("WM_SETTEXT - NULL\n"); ME_SetCursorToStart(editor, &cursor); ME_UpdateLinkAttribute(editor, &cursor, INT_MAX); ME_SetSelection(editor, 0, 0); editor->nModifyStep = 0; ME_CommitUndo(editor); ME_EmptyUndoStack(editor); ME_UpdateRepaint(editor, FALSE); return 1; } 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: case WM_MBUTTONDOWN: ME_Paste(editor); return 0; case WM_CUT: case WM_COPY: { int nFrom, nTo, nStartCur = ME_GetSelectionOfs(editor, &nFrom, &nTo); int nChars = nTo - nFrom; ME_Cursor *selStart = &editor->pCursors[nStartCur]; if (ME_Copy(editor, selStart, nChars) && msg == WM_CUT) { ME_InternalDeleteText(editor, selStart, nChars, FALSE); ME_CommitUndo(editor); ME_UpdateRepaint(editor, TRUE); } return 0; } case WM_GETTEXTLENGTH: { GETTEXTLENGTHEX how; /* CR/LF conversion required in 2.0 mode, verbatim in 1.0 mode */ how.flags = GTL_CLOSE | (editor->bEmulateVersion10 ? 0 : GTL_USECRLF) | GTL_NUMCHARS; how.codepage = unicode ? CP_UNICODE : CP_ACP; return ME_GetTextLengthEx(editor, &how); } case EM_GETTEXTLENGTHEX: return ME_GetTextLengthEx(editor, (GETTEXTLENGTHEX *)wParam); case WM_GETTEXT: { GETTEXTEX ex; ex.cb = wParam * (unicode ? sizeof(WCHAR) : sizeof(CHAR)); ex.flags = GT_USECRLF; ex.codepage = unicode ? CP_UNICODE : CP_ACP; ex.lpDefaultChar = NULL; ex.lpUsedDefChar = NULL; return ME_GetTextEx(editor, &ex, lParam); } case EM_GETTEXTEX: return ME_GetTextEx(editor, (GETTEXTEX*)wParam, lParam); case EM_GETSELTEXT: { int nFrom, nTo, nStartCur = ME_GetSelectionOfs(editor, &nFrom, &nTo); ME_Cursor *from = &editor->pCursors[nStartCur]; return ME_GetTextRange(editor, (WCHAR *)lParam, from, nTo - nFrom, unicode); } case EM_GETSCROLLPOS: { POINT *point = (POINT *)lParam; point->x = editor->horz_si.nPos; point->y = editor->vert_si.nPos; /* 16-bit scaled value is returned as stored in scrollinfo */ if (editor->horz_si.nMax > 0xffff) point->x = MulDiv(point->x, 0xffff, editor->horz_si.nMax); if (editor->vert_si.nMax > 0xffff) point->y = MulDiv(point->y, 0xffff, editor->vert_si.nMax); return 1; } case EM_GETTEXTRANGE: { TEXTRANGEW *rng = (TEXTRANGEW *)lParam; ME_Cursor start; int nStart = rng->chrg.cpMin; int nEnd = rng->chrg.cpMax; int textlength = ME_GetTextLength(editor); TRACE("EM_GETTEXTRANGE min=%d max=%d unicode=%d textlength=%d\n", rng->chrg.cpMin, rng->chrg.cpMax, unicode, textlength); if (nStart < 0) return 0; if ((nStart == 0 && nEnd == -1) || nEnd > textlength) nEnd = textlength; if (nStart >= nEnd) return 0; ME_CursorFromCharOfs(editor, nStart, &start); return ME_GetTextRange(editor, rng->lpstrText, &start, nEnd - nStart, unicode); } case EM_GETLINE: { ME_DisplayItem *run; const unsigned int nMaxChars = *(WORD *) lParam; unsigned int nCharsLeft = nMaxChars; char *dest = (char *) lParam; BOOL wroteNull = FALSE; TRACE("EM_GETLINE: row=%d, nMaxChars=%d (%s)\n", (int) wParam, nMaxChars, unicode ? "Unicode" : "Ansi"); run = ME_FindRowWithNumber(editor, wParam); if (run == NULL) return 0; while (nCharsLeft && (run = ME_FindItemFwd(run, diRunOrStartRow)) && run->type == diRun) { WCHAR *str = get_text( &run->member.run, 0 ); unsigned int nCopy; nCopy = min(nCharsLeft, run->member.run.len); if (unicode) memcpy(dest, str, nCopy * sizeof(WCHAR)); else nCopy = WideCharToMultiByte(CP_ACP, 0, str, nCopy, dest, nCharsLeft, NULL, NULL); dest += nCopy * (unicode ? sizeof(WCHAR) : 1); nCharsLeft -= nCopy; } /* append line termination, space allowing */ if (nCharsLeft > 0) { if (unicode) *((WCHAR *)dest) = '\0'; else *dest = '\0'; nCharsLeft--; wroteNull = TRUE; } TRACE("EM_GETLINE: got %u characters\n", nMaxChars - nCharsLeft); return nMaxChars - nCharsLeft - (wroteNull ? 1 : 0); } case EM_GETLINECOUNT: { ME_DisplayItem *item = editor->pBuffer->pFirst->next; int nRows = 0; ME_DisplayItem *prev_para = NULL, *last_para = NULL; while (item != editor->pBuffer->pLast) { assert(item->type == diParagraph); prev_para = ME_FindItemBack(item, diRun); if (prev_para) { assert(prev_para->member.run.nFlags & MERF_ENDPARA); } nRows += item->member.para.nRows; item = item->member.para.next_para; } last_para = ME_FindItemBack(item, diRun); assert(last_para); assert(last_para->member.run.nFlags & MERF_ENDPARA); if (editor->bEmulateVersion10 && prev_para && last_para->member.run.nCharOfs == 0 && prev_para->member.run.len == 1 && *get_text( &prev_para->member.run, 0 ) == '\r') { /* In 1.0 emulation, the last solitary \r at the very end of the text (if one exists) is NOT a line break. FIXME: this is an ugly hack. This should have a more regular model. */ nRows--; } TRACE("EM_GETLINECOUNT: nRows==%d\n", nRows); return max(1, nRows); } case EM_LINEFROMCHAR: { if (wParam == -1) return ME_RowNumberFromCharOfs(editor, ME_GetCursorOfs(&editor->pCursors[1])); else return ME_RowNumberFromCharOfs(editor, wParam); } case EM_EXLINEFROMCHAR: { if (lParam == -1) return ME_RowNumberFromCharOfs(editor, ME_GetCursorOfs(&editor->pCursors[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; ME_DisplayItem *para, *run; 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; } ME_RunOfsFromCharOfs(editor, wParam, ¶, &run, NULL); item = ME_RowStart(run); nThisLineOfs = ME_CharOfsFromRunOfs(editor, para, ME_FindItemFwd(item, diRun), 0); item_end = ME_FindItemFwd(item, diStartRowOrParagraphOrEnd); if (item_end->type == diStartRow) { nNextLineOfs = ME_CharOfsFromRunOfs(editor, para, ME_FindItemFwd(item_end, diRun), 0); } else { ME_DisplayItem *endRun = ME_FindItemBack(item_end, diRun); assert(endRun && endRun->member.run.nFlags & MERF_ENDPARA); nNextLineOfs = item_end->member.para.nCharOfs - endRun->member.run.len; } nChars = nNextLineOfs - nThisLineOfs; TRACE("EM_LINELENGTH(%ld)==%d\n",wParam, nChars); return nChars; } case EM_EXLIMITTEXT: { if ((int)lParam < 0) return 0; if (lParam == 0) editor->nTextLimit = 65536; else editor->nTextLimit = (int) lParam; return 0; } case EM_LIMITTEXT: { if (wParam == 0) editor->nTextLimit = 65536; else editor->nTextLimit = (int) wParam; return 0; } case EM_GETLIMITTEXT: { return editor->nTextLimit; } case EM_FINDTEXT: { LRESULT r; if(!unicode){ 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); r = ME_FindText(editor, wParam, &ft->chrg, tmp, NULL); FREE_OBJ( tmp ); }else{ FINDTEXTW *ft = (FINDTEXTW *)lParam; r = ME_FindText(editor, wParam, &ft->chrg, ft->lpstrText, NULL); } return r; } case EM_FINDTEXTEX: { LRESULT r; if(!unicode){ 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); r = ME_FindText(editor, wParam, &ex->chrg, tmp, &ex->chrgText); FREE_OBJ( tmp ); }else{ FINDTEXTEXW *ex = (FINDTEXTEXW *)lParam; r = ME_FindText(editor, wParam, &ex->chrg, ex->lpstrText, &ex->chrgText); } return r; } 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: { ME_Cursor cursor; if (ME_CharFromPos(editor, ((POINTL *)lParam)->x, ((POINTL *)lParam)->y, &cursor, NULL)) return ME_GetCursorOfs(&cursor); else return -1; } case EM_POSFROMCHAR: { ME_DisplayItem *pPara, *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); nCharOfs = min(nCharOfs, nLength); nCharOfs = max(nCharOfs, 0); ME_RunOfsFromCharOfs(editor, nCharOfs, &pPara, &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, TRUE); pt.y += pPara->member.para.pt.y + editor->rcFormat.top; pt.x += editor->rcFormat.left; pt.x -= editor->horz_si.nPos; pt.y -= editor->vert_si.nPos; if (wParam >= 0x40000) { *(POINTL *)wParam = pt; } return (wParam >= 0x40000) ? 0 : MAKELONG( pt.x, pt.y ); } case WM_CREATE: return ME_WmCreate(editor, lParam, unicode); case WM_DESTROY: ME_DestroyEditor(editor); return 0; case WM_SETCURSOR: { POINT cursor_pos; if (wParam == (WPARAM)editor->hWnd && GetCursorPos(&cursor_pos) && ScreenToClient(editor->hWnd, &cursor_pos)) ME_LinkNotify(editor, msg, 0, MAKELPARAM(cursor_pos.x, cursor_pos.y)); return ME_SetCursor(editor); } case WM_LBUTTONDBLCLK: case WM_LBUTTONDOWN: { ME_CommitUndo(editor); /* End coalesced undos for typed characters */ if ((editor->nEventMask & ENM_MOUSEEVENTS) && !ME_FilterEvent(editor, msg, &wParam, &lParam)) return 0; ITextHost_TxSetFocus(editor->texthost); ME_LButtonDown(editor, (short)LOWORD(lParam), (short)HIWORD(lParam), ME_CalculateClickCount(editor, msg, wParam, lParam)); ITextHost_TxSetCapture(editor->texthost, TRUE); editor->bMouseCaptured = TRUE; ME_LinkNotify(editor, msg, wParam, lParam); if (!ME_SetCursor(editor)) goto do_default; break; } case WM_MOUSEMOVE: if ((editor->nEventMask & ENM_MOUSEEVENTS) && !ME_FilterEvent(editor, msg, &wParam, &lParam)) return 0; if (editor->bMouseCaptured) ME_MouseMove(editor, (short)LOWORD(lParam), (short)HIWORD(lParam)); else ME_LinkNotify(editor, msg, wParam, lParam); /* Set cursor if mouse is captured, since WM_SETCURSOR won't be received. */ if (editor->bMouseCaptured) ME_SetCursor(editor); break; case WM_LBUTTONUP: if (editor->bMouseCaptured) { ITextHost_TxSetCapture(editor->texthost, FALSE); editor->bMouseCaptured = FALSE; } if (editor->nSelectionType == stDocument) editor->nSelectionType = stPosition; if ((editor->nEventMask & ENM_MOUSEEVENTS) && !ME_FilterEvent(editor, msg, &wParam, &lParam)) return 0; else { ME_SetCursor(editor); ME_LinkNotify(editor, msg, wParam, lParam); } break; case WM_RBUTTONUP: case WM_RBUTTONDOWN: case WM_RBUTTONDBLCLK: ME_CommitUndo(editor); /* End coalesced undos for typed characters */ if ((editor->nEventMask & ENM_MOUSEEVENTS) && !ME_FilterEvent(editor, msg, &wParam, &lParam)) return 0; ME_LinkNotify(editor, msg, wParam, lParam); goto do_default; case WM_CONTEXTMENU: if (!ME_ShowContextMenu(editor, (short)LOWORD(lParam), (short)HIWORD(lParam))) goto do_default; break; case WM_SETFOCUS: editor->bHaveFocus = TRUE; ME_ShowCaret(editor); ME_SendOldNotify(editor, EN_SETFOCUS); return 0; case WM_KILLFOCUS: ME_CommitUndo(editor); /* End coalesced undos for typed characters */ editor->bHaveFocus = FALSE; editor->wheel_remain = 0; ME_HideCaret(editor); ME_SendOldNotify(editor, EN_KILLFOCUS); return 0; case WM_COMMAND: TRACE("editor wnd command = %d\n", LOWORD(wParam)); return 0; case WM_KEYUP: if ((editor->nEventMask & ENM_KEYEVENTS) && !ME_FilterEvent(editor, msg, &wParam, &lParam)) return 0; goto do_default; case WM_KEYDOWN: if ((editor->nEventMask & ENM_KEYEVENTS) && !ME_FilterEvent(editor, msg, &wParam, &lParam)) return 0; if (ME_KeyDown(editor, LOWORD(wParam))) return 0; goto do_default; case WM_CHAR: if ((editor->nEventMask & ENM_KEYEVENTS) && !ME_FilterEvent(editor, msg, &wParam, &lParam)) return 0; return ME_Char(editor, wParam, lParam, unicode); case WM_UNICHAR: if (unicode) { if(wParam == UNICODE_NOCHAR) return TRUE; if(wParam <= 0x000fffff) { if(wParam > 0xffff) /* convert to surrogates */ { wParam -= 0x10000; ME_Char(editor, (wParam >> 10) + 0xd800, 0, TRUE); ME_Char(editor, (wParam & 0x03ff) + 0xdc00, 0, TRUE); } else { ME_Char(editor, wParam, 0, TRUE); } } return 0; } break; case EM_STOPGROUPTYPING: ME_CommitUndo(editor); /* End coalesced undos for typed characters */ return 0; case WM_HSCROLL: { const int scrollUnit = 7; switch(LOWORD(wParam)) { case SB_LEFT: ME_ScrollAbs(editor, 0, 0); break; case SB_RIGHT: ME_ScrollAbs(editor, editor->horz_si.nMax - (int)editor->horz_si.nPage, editor->vert_si.nMax - (int)editor->vert_si.nPage); break; case SB_LINELEFT: ME_ScrollLeft(editor, scrollUnit); break; case SB_LINERIGHT: ME_ScrollRight(editor, scrollUnit); break; case SB_PAGELEFT: ME_ScrollLeft(editor, editor->sizeWindow.cx); break; case SB_PAGERIGHT: ME_ScrollRight(editor, editor->sizeWindow.cx); break; case SB_THUMBTRACK: case SB_THUMBPOSITION: { int pos = HIWORD(wParam); if (editor->horz_si.nMax > 0xffff) pos = MulDiv(pos, editor->horz_si.nMax, 0xffff); ME_HScrollAbs(editor, pos); break; } } break; } case EM_SCROLL: /* fall through */ case WM_VSCROLL: { int origNPos; int lineHeight = get_default_line_height( editor ); origNPos = editor->vert_si.nPos; switch(LOWORD(wParam)) { case SB_TOP: ME_ScrollAbs(editor, 0, 0); break; case SB_BOTTOM: ME_ScrollAbs(editor, editor->horz_si.nMax - (int)editor->horz_si.nPage, editor->vert_si.nMax - (int)editor->vert_si.nPage); break; case SB_LINEUP: ME_ScrollUp(editor,lineHeight); break; case SB_LINEDOWN: ME_ScrollDown(editor,lineHeight); break; case SB_PAGEUP: ME_ScrollUp(editor,editor->sizeWindow.cy); break; case SB_PAGEDOWN: ME_ScrollDown(editor,editor->sizeWindow.cy); break; case SB_THUMBTRACK: case SB_THUMBPOSITION: { int pos = HIWORD(wParam); if (editor->vert_si.nMax > 0xffff) pos = MulDiv(pos, editor->vert_si.nMax, 0xffff); ME_VScrollAbs(editor, pos); break; } } if (msg == EM_SCROLL) return 0x00010000 | (((editor->vert_si.nPos - origNPos)/lineHeight) & 0xffff); break; } case WM_MOUSEWHEEL: { int delta; BOOL ctrl_is_down; if ((editor->nEventMask & ENM_MOUSEEVENTS) && !ME_FilterEvent(editor, msg, &wParam, &lParam)) return 0; ctrl_is_down = GetKeyState(VK_CONTROL) & 0x8000; delta = GET_WHEEL_DELTA_WPARAM(wParam); /* if scrolling changes direction, ignore left overs */ if ((delta < 0 && editor->wheel_remain < 0) || (delta > 0 && editor->wheel_remain > 0)) editor->wheel_remain += delta; else editor->wheel_remain = delta; if (editor->wheel_remain) { if (ctrl_is_down) { int numerator; if (!editor->nZoomNumerator || !editor->nZoomDenominator) { numerator = 100; } else { numerator = editor->nZoomNumerator * 100 / editor->nZoomDenominator; } numerator += calc_wheel_change( &editor->wheel_remain, 10 ); if (numerator >= 10 && numerator <= 500) ME_SetZoom(editor, numerator, 100); } else { UINT max_lines = 3; int lines = 0; SystemParametersInfoW( SPI_GETWHEELSCROLLLINES, 0, &max_lines, 0 ); if (max_lines) lines = calc_wheel_change( &editor->wheel_remain, (int)max_lines ); if (lines) ME_ScrollDown( editor, -lines * get_default_line_height( editor ) ); } } break; } case EM_GETRECT: { *((RECT *)lParam) = editor->rcFormat; if (editor->bDefaultFormatRect) ((RECT *)lParam)->left -= editor->selofs; return 0; } case EM_SETRECT: case EM_SETRECTNP: { if (lParam) { int border = 0; RECT clientRect; RECT *rc = (RECT *)lParam; border = editor->exStyleFlags & WS_EX_CLIENTEDGE ? 1 : 0; ITextHost_TxGetClientRect(editor->texthost, &clientRect); if (wParam == 0) { editor->rcFormat.top = max(0, rc->top - border); editor->rcFormat.left = max(0, rc->left - border); editor->rcFormat.bottom = min(clientRect.bottom, rc->bottom); editor->rcFormat.right = min(clientRect.right, rc->right + border); } else if (wParam == 1) { /* MSDN incorrectly says a wParam value of 1 causes the * lParam rect to be used as a relative offset, * however, the tests show it just prevents min/max bound * checking. */ editor->rcFormat.top = rc->top - border; editor->rcFormat.left = rc->left - border; editor->rcFormat.bottom = rc->bottom; editor->rcFormat.right = rc->right + border; } else { return 0; } editor->bDefaultFormatRect = FALSE; } else { ME_SetDefaultFormatRect(editor); editor->bDefaultFormatRect = TRUE; } ME_MarkAllForWrapping(editor); ME_WrapMarkedParagraphs(editor); ME_UpdateScrollBar(editor); if (msg != EM_SETRECTNP) ME_Repaint(editor); return 0; } case EM_REQUESTRESIZE: ME_SendRequestResize(editor, TRUE); return 0; case WM_SETREDRAW: goto do_default; case WM_WINDOWPOSCHANGED: { RECT clientRect; WINDOWPOS *winpos = (WINDOWPOS *)lParam; if (winpos->flags & SWP_NOCLIENTSIZE) goto do_default; ITextHost_TxGetClientRect(editor->texthost, &clientRect); if (editor->bDefaultFormatRect) { ME_SetDefaultFormatRect(editor); } else { editor->rcFormat.right += clientRect.right - editor->prevClientRect.right; editor->rcFormat.bottom += clientRect.bottom - editor->prevClientRect.bottom; } editor->prevClientRect = clientRect; ME_RewrapRepaint(editor); goto do_default; } /* IME messages to make richedit controls IME aware */ case WM_IME_SETCONTEXT: case WM_IME_CONTROL: case WM_IME_SELECT: case WM_IME_COMPOSITIONFULL: return 0; case WM_IME_STARTCOMPOSITION: { editor->imeStartIndex=ME_GetCursorOfs(&editor->pCursors[0]); ME_DeleteSelection(editor); ME_CommitUndo(editor); ME_UpdateRepaint(editor, FALSE); return 0; } case WM_IME_COMPOSITION: { HIMC hIMC; ME_Style *style = ME_GetInsertStyle(editor, 0); hIMC = ITextHost_TxImmGetContext(editor->texthost); ME_DeleteSelection(editor); ME_SaveTempStyle(editor); if (lParam & (GCS_RESULTSTR|GCS_COMPSTR)) { LPWSTR lpCompStr = NULL; DWORD dwBufLen; DWORD dwIndex = lParam & GCS_RESULTSTR; if (!dwIndex) dwIndex = GCS_COMPSTR; dwBufLen = ImmGetCompositionStringW(hIMC, dwIndex, NULL, 0); lpCompStr = HeapAlloc(GetProcessHeap(),0,dwBufLen + sizeof(WCHAR)); ImmGetCompositionStringW(hIMC, dwIndex, lpCompStr, dwBufLen); lpCompStr[dwBufLen/sizeof(WCHAR)] = 0; ME_InsertTextFromCursor(editor,0,lpCompStr,dwBufLen/sizeof(WCHAR),style); HeapFree(GetProcessHeap(), 0, lpCompStr); if (dwIndex == GCS_COMPSTR) ME_SetSelection(editor,editor->imeStartIndex, editor->imeStartIndex + dwBufLen/sizeof(WCHAR)); } ME_ReleaseStyle(style); ME_CommitUndo(editor); ME_UpdateRepaint(editor, FALSE); return 0; } case WM_IME_ENDCOMPOSITION: { ME_DeleteSelection(editor); editor->imeStartIndex=-1; return 0; } case EM_GETOLEINTERFACE: { if (!editor->reOle) if (!CreateIRichEditOle(NULL, editor, (LPVOID *)&editor->reOle)) return 0; *(LPVOID *)lParam = editor->reOle; IRichEditOle_AddRef(editor->reOle); return 1; } case EM_GETPASSWORDCHAR: { return editor->cPasswordMask; } case EM_SETOLECALLBACK: if(editor->lpOleCallback) IRichEditOleCallback_Release(editor->lpOleCallback); editor->lpOleCallback = (IRichEditOleCallback*)lParam; if(editor->lpOleCallback) IRichEditOleCallback_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_GETTEXTMODE: return editor->mode; case EM_SETTEXTMODE: { int mask = 0; int changes = 0; if (ME_GetTextLength(editor) || !list_empty( &editor->undo_stack ) || !list_empty( &editor->redo_stack )) return E_UNEXPECTED; /* Check for mutually exclusive flags in adjacent bits of wParam */ if ((wParam & (TM_RICHTEXT | TM_MULTILEVELUNDO | TM_MULTICODEPAGE)) & (wParam & (TM_PLAINTEXT | TM_SINGLELEVELUNDO | TM_SINGLECODEPAGE)) << 1) return E_INVALIDARG; if (wParam & (TM_RICHTEXT | TM_PLAINTEXT)) { mask |= TM_RICHTEXT | TM_PLAINTEXT; changes |= wParam & (TM_RICHTEXT | TM_PLAINTEXT); if (wParam & TM_PLAINTEXT) { /* Clear selection since it should be possible to select the * end of text run for rich text */ ME_InvalidateSelection(editor); ME_SetCursorToStart(editor, &editor->pCursors[0]); editor->pCursors[1] = editor->pCursors[0]; /* plain text can only have the default style. */ ME_ClearTempStyle(editor); ME_AddRefStyle(editor->pBuffer->pDefaultStyle); ME_ReleaseStyle(editor->pCursors[0].pRun->member.run.style); editor->pCursors[0].pRun->member.run.style = editor->pBuffer->pDefaultStyle; } } /* FIXME: Currently no support for undo level and code page options */ editor->mode = (editor->mode & ~mask) | changes; return 0; } case EM_SETPASSWORDCHAR: { editor->cPasswordMask = wParam; ME_RewrapRepaint(editor); return 0; } case EM_SETTARGETDEVICE: if (wParam == 0) { BOOL new = (lParam == 0 && (editor->styleFlags & ES_MULTILINE)); if (editor->nAvailWidth || editor->bWordWrap != new) { editor->bWordWrap = new; editor->nAvailWidth = 0; /* wrap to client area */ ME_RewrapRepaint(editor); } } else { int width = max(0, lParam); if ((editor->styleFlags & ES_MULTILINE) && (!editor->bWordWrap || editor->nAvailWidth != width)) { editor->nAvailWidth = width; editor->bWordWrap = TRUE; ME_RewrapRepaint(editor); } FIXME("EM_SETTARGETDEVICE doesn't use non-NULL target devices\n"); } return TRUE; default: do_default: *phresult = S_FALSE; break; } return 0L; } static LRESULT RichEditWndProc_common(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam, BOOL unicode) { ME_TextEditor *editor; HRESULT hresult; LRESULT lresult = 0; TRACE("enter hwnd %p msg %04x (%s) %lx %lx, unicode %d\n", hWnd, msg, get_msg_name(msg), wParam, lParam, unicode); editor = (ME_TextEditor *)GetWindowLongPtrW(hWnd, 0); if (!editor) { if (msg == WM_NCCREATE) { CREATESTRUCTW *pcs = (CREATESTRUCTW *)lParam; ITextHost *texthost; TRACE("WM_NCCREATE: hWnd %p style 0x%08x\n", hWnd, pcs->style); texthost = ME_CreateTextHost(hWnd, pcs, FALSE); return texthost != NULL; } else { return DefWindowProcW(hWnd, msg, wParam, lParam); } } switch (msg) { case WM_PAINT: { HDC hDC; RECT rc; PAINTSTRUCT ps; hDC = BeginPaint(editor->hWnd, &ps); if (!editor->bEmulateVersion10 || (editor->nEventMask & ENM_UPDATE)) ME_SendOldNotify(editor, EN_UPDATE); /* Erase area outside of the formatting rectangle */ if (ps.rcPaint.top < editor->rcFormat.top) { rc = ps.rcPaint; rc.bottom = editor->rcFormat.top; FillRect(hDC, &rc, editor->hbrBackground); ps.rcPaint.top = editor->rcFormat.top; } if (ps.rcPaint.bottom > editor->rcFormat.bottom) { rc = ps.rcPaint; rc.top = editor->rcFormat.bottom; FillRect(hDC, &rc, editor->hbrBackground); ps.rcPaint.bottom = editor->rcFormat.bottom; } if (ps.rcPaint.left < editor->rcFormat.left) { rc = ps.rcPaint; rc.right = editor->rcFormat.left; FillRect(hDC, &rc, editor->hbrBackground); ps.rcPaint.left = editor->rcFormat.left; } if (ps.rcPaint.right > editor->rcFormat.right) { rc = ps.rcPaint; rc.left = editor->rcFormat.right; FillRect(hDC, &rc, editor->hbrBackground); ps.rcPaint.right = editor->rcFormat.right; } ME_PaintContent(editor, hDC, &ps.rcPaint); EndPaint(editor->hWnd, &ps); return 0; } case WM_ERASEBKGND: { HDC hDC = (HDC)wParam; RECT rc; if (GetUpdateRect(editor->hWnd, &rc, TRUE)) FillRect(hDC, &rc, editor->hbrBackground); return 1; } case EM_SETOPTIONS: { DWORD dwStyle; const DWORD mask = ECO_VERTICAL | ECO_AUTOHSCROLL | ECO_AUTOVSCROLL | ECO_NOHIDESEL | ECO_READONLY | ECO_WANTRETURN | ECO_SELECTIONBAR; lresult = ME_HandleMessage(editor, msg, wParam, lParam, unicode, &hresult); dwStyle = GetWindowLongW(hWnd, GWL_STYLE); dwStyle = (dwStyle & ~mask) | (lresult & mask); SetWindowLongW(hWnd, GWL_STYLE, dwStyle); return lresult; } case EM_SETREADONLY: { DWORD dwStyle; lresult = ME_HandleMessage(editor, msg, wParam, lParam, unicode, &hresult); dwStyle = GetWindowLongW(hWnd, GWL_STYLE); dwStyle &= ~ES_READONLY; if (wParam) dwStyle |= ES_READONLY; SetWindowLongW(hWnd, GWL_STYLE, dwStyle); return lresult; } default: lresult = ME_HandleMessage(editor, msg, wParam, lParam, unicode, &hresult); } if (hresult == S_FALSE) lresult = DefWindowProcW(hWnd, msg, wParam, lParam); TRACE("exit hwnd %p msg %04x (%s) %lx %lx, unicode %d -> %lu\n", hWnd, msg, get_msg_name(msg), wParam, lParam, unicode, lresult); return lresult; } static LRESULT WINAPI RichEditWndProcW(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam) { BOOL unicode = TRUE; /* Under Win9x RichEdit20W returns ANSI strings, see the tests. */ if (msg == WM_GETTEXT && (GetVersion() & 0x80000000)) unicode = FALSE; return RichEditWndProc_common(hWnd, msg, wParam, lParam, unicode); } static LRESULT WINAPI RichEditWndProcA(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam) { return RichEditWndProc_common(hWnd, msg, wParam, lParam, FALSE); } /****************************************************************** * RichEditANSIWndProc (RICHED20.10) */ LRESULT WINAPI RichEditANSIWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam) { return RichEditWndProcA(hWnd, msg, wParam, lParam); } /****************************************************************** * RichEdit10ANSIWndProc (RICHED20.9) */ LRESULT WINAPI RichEdit10ANSIWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam) { if (msg == WM_NCCREATE && !GetWindowLongPtrW(hWnd, 0)) { ITextHost *texthost; CREATESTRUCTW *pcs = (CREATESTRUCTW *)lParam; TRACE("WM_NCCREATE: hWnd %p style 0x%08x\n", hWnd, pcs->style); texthost = ME_CreateTextHost(hWnd, pcs, TRUE); return texthost != NULL; } return RichEditANSIWndProc(hWnd, msg, wParam, lParam); } void ME_SendOldNotify(ME_TextEditor *editor, int nCode) { ITextHost_TxNotify(editor->texthost, nCode, NULL); } /* Fill buffer with srcChars unicode characters from the start cursor. * * buffer: destination buffer * buflen: length of buffer in characters excluding the NULL terminator. * start: start of editor text to copy into buffer. * srcChars: Number of characters to use from the editor text. * bCRLF: if true, replaces all end of lines with \r\n pairs. * * returns the number of characters written excluding the NULL terminator. * * The written text is always NULL terminated. */ int ME_GetTextW(ME_TextEditor *editor, WCHAR *buffer, int buflen, const ME_Cursor *start, int srcChars, BOOL bCRLF, BOOL bEOP) { ME_DisplayItem *pRun, *pNextRun; const WCHAR *pStart = buffer; const WCHAR cr_lf[] = {'\r', '\n', 0}; const WCHAR *str; int nLen; /* bCRLF flag is only honored in 2.0 and up. 1.0 must always return text verbatim */ if (editor->bEmulateVersion10) bCRLF = FALSE; pRun = start->pRun; assert(pRun); pNextRun = ME_FindItemFwd(pRun, diRun); nLen = pRun->member.run.len - start->nOffset; str = get_text( &pRun->member.run, start->nOffset ); while (srcChars && buflen && pNextRun) { int nFlags = pRun->member.run.nFlags; if (bCRLF && nFlags & MERF_ENDPARA && ~nFlags & MERF_ENDCELL) { if (buflen == 1) break; /* FIXME: native fails to reduce srcChars here for WM_GETTEXT or * EM_GETTEXTEX, however, this is done for copying text which * also uses this function. */ srcChars -= min(nLen, srcChars); nLen = 2; str = cr_lf; } else { nLen = min(nLen, srcChars); srcChars -= nLen; } nLen = min(nLen, buflen); buflen -= nLen; CopyMemory(buffer, str, sizeof(WCHAR) * nLen); buffer += nLen; pRun = pNextRun; pNextRun = ME_FindItemFwd(pRun, diRun); nLen = pRun->member.run.len; str = get_text( &pRun->member.run, 0 ); } /* append '\r' to the last paragraph. */ if (pRun->next->type == diTextEnd && bEOP) { *buffer = '\r'; buffer ++; } *buffer = 0; return buffer - pStart; } static BOOL ME_RegisterEditorClass(HINSTANCE hInstance) { WNDCLASSW wcW; WNDCLASSA wcA; wcW.style = CS_DBLCLKS | CS_HREDRAW | CS_VREDRAW | CS_GLOBALCLASS; wcW.lpfnWndProc = RichEditWndProcW; wcW.cbClsExtra = 0; wcW.cbWndExtra = sizeof(ME_TextEditor *); wcW.hInstance = NULL; /* hInstance would register DLL-local class */ wcW.hIcon = NULL; wcW.hCursor = LoadCursorW(NULL, (LPWSTR)IDC_IBEAM); wcW.hbrBackground = GetStockObject(NULL_BRUSH); wcW.lpszMenuName = NULL; if (is_version_nt()) { wcW.lpszClassName = RICHEDIT_CLASS20W; if (!RegisterClassW(&wcW)) return FALSE; wcW.lpszClassName = MSFTEDIT_CLASS; if (!RegisterClassW(&wcW)) return FALSE; } else { /* WNDCLASSA/W have the same layout */ wcW.lpszClassName = (LPCWSTR)"RichEdit20W"; if (!RegisterClassA((WNDCLASSA *)&wcW)) return FALSE; wcW.lpszClassName = (LPCWSTR)"RichEdit50W"; if (!RegisterClassA((WNDCLASSA *)&wcW)) return FALSE; } wcA.style = CS_DBLCLKS | CS_HREDRAW | CS_VREDRAW | CS_GLOBALCLASS; wcA.lpfnWndProc = RichEditWndProcA; wcA.cbClsExtra = 0; wcA.cbWndExtra = sizeof(ME_TextEditor *); wcA.hInstance = NULL; /* hInstance would register DLL-local class */ wcA.hIcon = NULL; wcA.hCursor = LoadCursorW(NULL, (LPWSTR)IDC_IBEAM); wcA.hbrBackground = GetStockObject(NULL_BRUSH); wcA.lpszMenuName = NULL; wcA.lpszClassName = RICHEDIT_CLASS20A; if (!RegisterClassA(&wcA)) return FALSE; wcA.lpszClassName = "RichEdit50A"; if (!RegisterClassA(&wcA)) return FALSE; return TRUE; } static LRESULT WINAPI REComboWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam) { /* FIXME: Not implemented */ TRACE("hWnd %p msg %04x (%s) %08lx %08lx\n", hWnd, msg, get_msg_name(msg), wParam, lParam); return DefWindowProcW(hWnd, msg, wParam, lParam); } static LRESULT WINAPI REListWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam) { /* FIXME: Not implemented */ TRACE("hWnd %p msg %04x (%s) %08lx %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 = REListBox20W; 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 = REComboBox20W; if (RegisterClassW(&wcW)) ME_ComboBoxRegistered = TRUE; } result = 0; if (ME_ListBoxRegistered) result += 1; if (ME_ComboBoxRegistered) result += 2; return result; } static BOOL isurlspecial(WCHAR c) { static const WCHAR special_chars[] = {'.','/','%','@','*','|','\\','+','#',0}; return strchrW( special_chars, c ) != NULL; } /** * This proc takes a selection, and scans it forward in order to select the span * of a possible URL candidate. A possible URL candidate must start with isalnum * or one of the following special characters: *|/\+%#@ and must consist entirely * of the characters allowed to start the URL, plus : (colon) which may occur * at most once, and not at either end. */ static BOOL ME_FindNextURLCandidate(ME_TextEditor *editor, const ME_Cursor *start, int nChars, ME_Cursor *candidate_min, ME_Cursor *candidate_max) { ME_Cursor cursor = *start; BOOL foundColon = FALSE; BOOL candidateStarted = FALSE; WCHAR lastAcceptedChar = '\0'; while (nChars > 0) { WCHAR *strStart = get_text( &cursor.pRun->member.run, 0 ); WCHAR *str = strStart + cursor.nOffset; int nLen = cursor.pRun->member.run.len - cursor.nOffset; nChars -= nLen; if (~cursor.pRun->member.run.nFlags & MERF_ENDPARA) { /* Find start of candidate */ if (!candidateStarted) { while (nLen) { nLen--; if (isalnumW(*str) || isurlspecial(*str)) { cursor.nOffset = str - strStart; *candidate_min = cursor; candidateStarted = TRUE; lastAcceptedChar = *str++; break; } str++; } } /* Find end of candidate */ if (candidateStarted) { while (nLen) { nLen--; if (*str == ':' && !foundColon) { foundColon = TRUE; } else if (!isalnumW(*str) && !isurlspecial(*str)) { cursor.nOffset = str - strStart; if (lastAcceptedChar == ':') ME_MoveCursorChars(editor, &cursor, -1); *candidate_max = cursor; return TRUE; } lastAcceptedChar = *str++; } } } else { /* End of paragraph: skip it if before candidate span, or terminates current active span */ if (candidateStarted) { if (lastAcceptedChar == ':') ME_MoveCursorChars(editor, &cursor, -1); *candidate_max = cursor; return TRUE; } } /* Reaching this point means no span was found, so get next span */ if (!ME_NextRun(&cursor.pPara, &cursor.pRun)) { if (candidateStarted) { /* There are no further runs, so take end of text as end of candidate */ cursor.nOffset = str - strStart; if (lastAcceptedChar == ':') ME_MoveCursorChars(editor, &cursor, -1); *candidate_max = cursor; return TRUE; } *candidate_max = *candidate_min = cursor; return FALSE; } cursor.nOffset = 0; } if (candidateStarted) { /* There are no further runs, so take end of text as end of candidate */ if (lastAcceptedChar == ':') ME_MoveCursorChars(editor, &cursor, -1); *candidate_max = cursor; return TRUE; } *candidate_max = *candidate_min = cursor; return FALSE; } /** * This proc evaluates the selection and returns TRUE if it can be considered an URL */ static BOOL ME_IsCandidateAnURL(ME_TextEditor *editor, const ME_Cursor *start, int nChars) { #define MAX_PREFIX_LEN 9 struct prefix_s { const WCHAR text[MAX_PREFIX_LEN]; int length; }prefixes[] = { {{'p','r','o','s','p','e','r','o',':'}, 9}, {{'t','e','l','n','e','t',':'}, 7}, {{'g','o','p','h','e','r',':'}, 7}, {{'m','a','i','l','t','o',':'}, 7}, {{'h','t','t','p','s',':'}, 6}, {{'f','i','l','e',':'}, 5}, {{'n','e','w','s',':'}, 5}, {{'w','a','i','s',':'}, 5}, {{'n','n','t','p',':'}, 5}, {{'h','t','t','p',':'}, 5}, {{'w','w','w','.'}, 4}, {{'f','t','p',':'}, 4}, }; WCHAR bufferW[MAX_PREFIX_LEN + 1]; unsigned int i; ME_GetTextW(editor, bufferW, MAX_PREFIX_LEN, start, nChars, FALSE, FALSE); for (i = 0; i < sizeof(prefixes) / sizeof(*prefixes); i++) { if (nChars < prefixes[i].length) continue; if (!memcmp(prefixes[i].text, bufferW, prefixes[i].length * sizeof(WCHAR))) return TRUE; } return FALSE; #undef MAX_PREFIX_LEN } /** * This proc walks through the indicated selection and evaluates whether each * section identified by ME_FindNextURLCandidate and in-between sections have * their proper CFE_LINK attributes set or unset. If the CFE_LINK attribute is * not what it is supposed to be, this proc sets or unsets it as appropriate. * * Since this function can cause runs to be split, do not depend on the value * of the start cursor at the end of the function. * * nChars may be set to INT_MAX to update to the end of the text. * * Returns TRUE if at least one section was modified. */ static BOOL ME_UpdateLinkAttribute(ME_TextEditor *editor, ME_Cursor *start, int nChars) { BOOL modified = FALSE; ME_Cursor startCur = *start; if (!editor->AutoURLDetect_bEnable) return FALSE; do { CHARFORMAT2W link; ME_Cursor candidateStart, candidateEnd; if (ME_FindNextURLCandidate(editor, &startCur, nChars, &candidateStart, &candidateEnd)) { /* Section before candidate is not an URL */ int cMin = ME_GetCursorOfs(&candidateStart); int cMax = ME_GetCursorOfs(&candidateEnd); if (!ME_IsCandidateAnURL(editor, &candidateStart, cMax - cMin)) candidateStart = candidateEnd; nChars -= cMax - ME_GetCursorOfs(&startCur); } else { /* No more candidates until end of selection */ nChars = 0; } if (startCur.pRun != candidateStart.pRun || startCur.nOffset != candidateStart.nOffset) { /* CFE_LINK effect should be consistently unset */ link.cbSize = sizeof(link); ME_GetCharFormat(editor, &startCur, &candidateStart, &link); if (!(link.dwMask & CFM_LINK) || (link.dwEffects & CFE_LINK)) { /* CFE_LINK must be unset from this range */ memset(&link, 0, sizeof(CHARFORMAT2W)); link.cbSize = sizeof(link); link.dwMask = CFM_LINK; link.dwEffects = 0; ME_SetCharFormat(editor, &startCur, &candidateStart, &link); /* Update candidateEnd since setting character formats may split * runs, which can cause a cursor to be at an invalid offset within * a split run. */ while (candidateEnd.nOffset >= candidateEnd.pRun->member.run.len) { candidateEnd.nOffset -= candidateEnd.pRun->member.run.len; candidateEnd.pRun = ME_FindItemFwd(candidateEnd.pRun, diRun); } modified = TRUE; } } if (candidateStart.pRun != candidateEnd.pRun || candidateStart.nOffset != candidateEnd.nOffset) { /* CFE_LINK effect should be consistently set */ link.cbSize = sizeof(link); ME_GetCharFormat(editor, &candidateStart, &candidateEnd, &link); if (!(link.dwMask & CFM_LINK) || !(link.dwEffects & CFE_LINK)) { /* CFE_LINK must be set on this range */ memset(&link, 0, sizeof(CHARFORMAT2W)); link.cbSize = sizeof(link); link.dwMask = CFM_LINK; link.dwEffects = CFE_LINK; ME_SetCharFormat(editor, &candidateStart, &candidateEnd, &link); modified = TRUE; } } startCur = candidateEnd; } while (nChars > 0); return modified; }