356 lines
18 KiB
C
356 lines
18 KiB
C
/*
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* RichEdit - prototypes for functions and macro definitions
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*
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* Copyright 2004 by Krzysztof Foltman
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "editstr.h"
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#include "wine/unicode.h"
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struct _RTF_Info;
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extern HANDLE me_heap;
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static inline void * __WINE_ALLOC_SIZE(1) heap_alloc( size_t len )
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{
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return HeapAlloc( me_heap, 0, len );
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}
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static inline BOOL heap_free( void *ptr )
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{
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return HeapFree( me_heap, 0, ptr );
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}
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static inline void * __WINE_ALLOC_SIZE(2) heap_realloc( void *ptr, size_t len )
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{
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return HeapReAlloc( me_heap, 0, ptr, len );
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}
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#define ALLOC_OBJ(type) heap_alloc(sizeof(type))
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#define ALLOC_N_OBJ(type, count) heap_alloc((count)*sizeof(type))
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#define FREE_OBJ(ptr) heap_free(ptr)
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#define RUN_IS_HIDDEN(run) ((run)->style->fmt.dwMask & CFM_HIDDEN \
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&& (run)->style->fmt.dwEffects & CFE_HIDDEN)
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#define InitFormatEtc(fe, cf, med) \
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{\
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(fe).cfFormat=cf;\
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(fe).dwAspect=DVASPECT_CONTENT;\
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(fe).ptd=NULL;\
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(fe).tymed=med;\
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(fe).lindex=-1;\
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};
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/* style.c */
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ME_Style *ME_MakeStyle(CHARFORMAT2W *style);
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void ME_AddRefStyle(ME_Style *item);
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void ME_ReleaseStyle(ME_Style *item);
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ME_Style *ME_GetInsertStyle(ME_TextEditor *editor, int nCursor);
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ME_Style *ME_ApplyStyle(ME_Style *sSrc, CHARFORMAT2W *style);
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HFONT ME_SelectStyleFont(ME_Context *c, ME_Style *s);
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void ME_UnselectStyleFont(ME_Context *c, ME_Style *s, HFONT hOldFont);
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void ME_InitCharFormat2W(CHARFORMAT2W *pFmt);
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void ME_SaveTempStyle(ME_TextEditor *editor);
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void ME_ClearTempStyle(ME_TextEditor *editor);
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void ME_DumpStyleToBuf(CHARFORMAT2W *pFmt, char buf[2048]);
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void ME_DumpStyle(ME_Style *s);
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CHARFORMAT2W *ME_ToCF2W(CHARFORMAT2W *to, CHARFORMAT2W *from);
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void ME_CopyToCF2W(CHARFORMAT2W *to, CHARFORMAT2W *from);
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void ME_CopyToCFAny(CHARFORMAT2W *to, CHARFORMAT2W *from);
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void ME_CopyCharFormat(CHARFORMAT2W *pDest, const CHARFORMAT2W *pSrc); /* only works with 2W structs */
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void ME_CharFormatFromLogFont(HDC hDC, const LOGFONTW *lf, CHARFORMAT2W *fmt); /* ditto */
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/* list.c */
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void ME_InsertBefore(ME_DisplayItem *diWhere, ME_DisplayItem *diWhat);
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void ME_Remove(ME_DisplayItem *diWhere);
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ME_DisplayItem *ME_FindItemBack(ME_DisplayItem *di, ME_DIType nTypeOrClass);
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ME_DisplayItem *ME_FindItemFwd(ME_DisplayItem *di, ME_DIType nTypeOrClass);
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ME_DisplayItem *ME_FindItemBackOrHere(ME_DisplayItem *di, ME_DIType nTypeOrClass);
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ME_DisplayItem *ME_FindItemFwdOrHere(ME_DisplayItem *di, ME_DIType nTypeOrClass);
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ME_DisplayItem *ME_MakeDI(ME_DIType type);
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void ME_DestroyDisplayItem(ME_DisplayItem *item);
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void ME_DumpDocument(ME_TextBuffer *buffer);
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const char *ME_GetDITypeName(ME_DIType type);
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/* string.c */
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ME_String *ME_MakeString(LPCWSTR szText);
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ME_String *ME_MakeStringN(LPCWSTR szText, int nMaxChars);
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ME_String *ME_MakeStringR(WCHAR cRepeat, int nMaxChars);
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ME_String *ME_MakeStringB(int nMaxChars);
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ME_String *ME_StrDup(const ME_String *s);
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void ME_DestroyString(ME_String *s);
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void ME_AppendString(ME_String *s1, const ME_String *s2);
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ME_String *ME_ConcatString(const ME_String *s1, const ME_String *s2);
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ME_String *ME_VSplitString(ME_String *orig, int nVPos);
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int ME_IsWhitespaces(const ME_String *s);
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int ME_IsSplitable(const ME_String *s);
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/* int ME_CalcSkipChars(ME_String *s); */
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int ME_StrLen(const ME_String *s);
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int ME_StrVLen(const ME_String *s);
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int ME_FindNonWhitespaceV(const ME_String *s, int nVChar);
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int ME_FindWhitespaceV(ME_String *s, int nVChar);
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int ME_CallWordBreakProc(ME_TextEditor *editor, ME_String *str, INT start, INT code);
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int ME_GetCharFwd(const ME_String *s, int nPos); /* get char starting from start */
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int ME_GetCharBack(const ME_String *s, int nPos); /* get char starting from \0 */
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int ME_StrRelPos(const ME_String *s, int nVChar, int *pRelChars);
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int ME_StrRelPos2(const ME_String *s, int nVChar, int nRelChars);
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int ME_VPosToPos(ME_String *s, int nVPos);
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int ME_PosToVPos(const ME_String *s, int nPos);
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void ME_StrDeleteV(ME_String *s, int nVChar, int nChars);
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/* smart helpers for A<->W conversions, they reserve/free memory and call MultiByte<->WideChar functions */
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LPWSTR ME_ToUnicode(BOOL unicode, LPVOID psz);
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void ME_EndToUnicode(BOOL unicode, LPVOID psz);
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static inline int ME_IsWSpace(WCHAR ch)
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{
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return ch > '\0' && ch <= ' ';
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}
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static inline int ME_CharCompare(WCHAR a, WCHAR b, int caseSensitive)
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{
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return caseSensitive ? (a == b) : (toupperW(a) == toupperW(b));
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}
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/* note: those two really return the first matching offset (starting from EOS)+1
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* in other words, an offset of the first trailing white/black */
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int ME_ReverseFindNonWhitespaceV(const ME_String *s, int nVChar);
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int ME_ReverseFindWhitespaceV(const ME_String *s, int nVChar);
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/* row.c */
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ME_DisplayItem *ME_FindRowStart(ME_Context *c, ME_DisplayItem *run, int nRelPos);
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ME_DisplayItem *ME_RowStart(ME_DisplayItem *item);
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/* ME_DisplayItem *ME_RowEnd(ME_DisplayItem *item); */
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void ME_RenumberParagraphs(ME_DisplayItem *item); /* TODO */
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ME_DisplayItem *ME_FindRowWithNumber(ME_TextEditor *editor, int nRow);
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int ME_RowNumberFromCharOfs(ME_TextEditor *editor, int nOfs);
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/* run.c */
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ME_DisplayItem *ME_MakeRun(ME_Style *s, ME_String *strData, int nFlags);
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/* note: ME_InsertRun inserts a copy of the specified run - so you need to destroy the original */
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ME_DisplayItem *ME_InsertRun(ME_TextEditor *editor, int nCharOfs, ME_DisplayItem *pItem);
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ME_DisplayItem *ME_InsertRunAtCursor(ME_TextEditor *editor, ME_Cursor *cursor,
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ME_Style *style, const WCHAR *str, int len, int flags);
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void ME_CheckCharOffsets(ME_TextEditor *editor);
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void ME_PropagateCharOffset(ME_DisplayItem *p, int shift);
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int ME_CharFromPoint(ME_Context *c, int cx, ME_Run *run);
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/* this one accounts for 1/2 char tolerance */
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int ME_CharFromPointCursor(ME_TextEditor *editor, int cx, ME_Run *run);
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int ME_PointFromChar(ME_TextEditor *editor, ME_Run *pRun, int nOffset);
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int ME_GetLastSplittablePlace(ME_Context *c, ME_Run *run);
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int ME_CanJoinRuns(const ME_Run *run1, const ME_Run *run2);
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void ME_JoinRuns(ME_TextEditor *editor, ME_DisplayItem *p);
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ME_DisplayItem *ME_SplitRun(ME_WrapContext *wc, ME_DisplayItem *item, int nChar);
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ME_DisplayItem *ME_SplitRunSimple(ME_TextEditor *editor, ME_DisplayItem *item, int nChar);
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int ME_FindSplitPoint(ME_Context *c, POINT *pt, ME_Run *run, int desperate);
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void ME_UpdateRunFlags(ME_TextEditor *editor, ME_Run *run);
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ME_DisplayItem *ME_SplitFurther(ME_TextEditor *editor, ME_DisplayItem *run);
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void ME_CalcRunExtent(ME_Context *c, const ME_Paragraph *para, int startx, ME_Run *run);
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SIZE ME_GetRunSize(ME_Context *c, const ME_Paragraph *para, ME_Run *run, int nLen, int startx);
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void ME_CursorFromCharOfs(ME_TextEditor *editor, int nCharOfs, ME_Cursor *pCursor);
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void ME_RunOfsFromCharOfs(ME_TextEditor *editor, int nCharOfs, ME_DisplayItem **ppRun, int *pOfs);
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int ME_CharOfsFromRunOfs(ME_TextEditor *editor, ME_DisplayItem *pRun, int nOfs);
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void ME_SkipAndPropagateCharOffset(ME_DisplayItem *p, int shift);
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void ME_SetCharFormat(ME_TextEditor *editor, int nFrom, int nLen, CHARFORMAT2W *pFmt);
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void ME_SetSelectionCharFormat(ME_TextEditor *editor, CHARFORMAT2W *pFmt);
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void ME_GetCharFormat(ME_TextEditor *editor, int nFrom, int nLen, CHARFORMAT2W *pFmt);
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void ME_GetSelectionCharFormat(ME_TextEditor *editor, CHARFORMAT2W *pFmt);
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void ME_GetDefaultCharFormat(ME_TextEditor *editor, CHARFORMAT2W *pFmt);
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void ME_SetDefaultCharFormat(ME_TextEditor *editor, CHARFORMAT2W *mod);
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/* caret.c */
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int ME_SetSelection(ME_TextEditor *editor, int from, int to);
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void ME_HideCaret(ME_TextEditor *ed);
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void ME_ShowCaret(ME_TextEditor *ed);
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void ME_MoveCaret(ME_TextEditor *ed);
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int ME_CharFromPos(ME_TextEditor *editor, int x, int y, BOOL *isExact);
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void ME_LButtonDown(ME_TextEditor *editor, int x, int y, int clickNum);
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void ME_MouseMove(ME_TextEditor *editor, int x, int y);
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BOOL ME_DeleteTextAtCursor(ME_TextEditor *editor, int nCursor, int nChars);
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void ME_InsertTextFromCursor(ME_TextEditor *editor, int nCursor,
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const WCHAR *str, int len, ME_Style *style);
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void ME_InsertEndRowFromCursor(ME_TextEditor *editor, int nCursor);
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BOOL ME_ArrowKey(ME_TextEditor *ed, int nVKey, BOOL extend, BOOL ctrl);
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void ME_MustBeWrapped(ME_Context *c, ME_DisplayItem *para);
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void ME_GetCursorCoordinates(ME_TextEditor *editor, ME_Cursor *pCursor,
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int *x, int *y, int *height);
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int ME_GetCursorOfs(ME_TextEditor *editor, int nCursor);
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void ME_GetSelection(ME_TextEditor *editor, int *from, int *to);
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int ME_CountParagraphsBetween(ME_TextEditor *editor, int from, int to);
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BOOL ME_IsSelection(ME_TextEditor *editor);
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void ME_DeleteSelection(ME_TextEditor *editor);
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void ME_SendSelChange(ME_TextEditor *editor);
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void ME_InsertOLEFromCursor(ME_TextEditor *editor, const REOBJECT* reo, int nCursor);
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BOOL ME_InternalDeleteText(ME_TextEditor *editor, int nOfs, int nChars, BOOL bForce);
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int ME_GetTextLength(ME_TextEditor *editor);
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int ME_GetTextLengthEx(ME_TextEditor *editor, const GETTEXTLENGTHEX *how);
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ME_Style *ME_GetSelectionInsertStyle(ME_TextEditor *editor);
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/* context.c */
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void ME_InitContext(ME_Context *c, ME_TextEditor *editor, HDC hDC);
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void ME_DestroyContext(ME_Context *c);
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/* wrap.c */
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BOOL ME_WrapMarkedParagraphs(ME_TextEditor *editor);
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void ME_InvalidateMarkedParagraphs(ME_TextEditor *editor);
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void ME_SendRequestResize(ME_TextEditor *editor, BOOL force);
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/* para.c */
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ME_DisplayItem *ME_GetParagraph(ME_DisplayItem *run);
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void ME_GetSelectionParas(ME_TextEditor *editor, ME_DisplayItem **para, ME_DisplayItem **para_end);
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void ME_MakeFirstParagraph(ME_TextEditor *editor);
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ME_DisplayItem *ME_SplitParagraph(ME_TextEditor *editor, ME_DisplayItem *rp, ME_Style *style, int numCR, int numLF, int paraFlags);
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ME_DisplayItem *ME_JoinParagraphs(ME_TextEditor *editor, ME_DisplayItem *tp,
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BOOL keepFirstParaFormat);
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void ME_DumpParaStyle(ME_Paragraph *s);
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void ME_DumpParaStyleToBuf(const PARAFORMAT2 *pFmt, char buf[2048]);
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BOOL ME_SetSelectionParaFormat(ME_TextEditor *editor, const PARAFORMAT2 *pFmt);
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void ME_GetSelectionParaFormat(ME_TextEditor *editor, PARAFORMAT2 *pFmt);
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/* marks from first up to (but not including) last */
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void ME_MarkForPainting(ME_TextEditor *editor, ME_DisplayItem *first, const ME_DisplayItem *last);
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void ME_MarkAllForWrapping(ME_TextEditor *editor);
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void ME_SetDefaultParaFormat(PARAFORMAT2 *pFmt);
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/* paint.c */
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void ME_PaintContent(ME_TextEditor *editor, HDC hDC, BOOL bOnlyNew, const RECT *rcUpdate);
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void ME_Repaint(ME_TextEditor *editor);
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void ME_RewrapRepaint(ME_TextEditor *editor);
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void ME_UpdateRepaint(ME_TextEditor *editor);
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void ME_EnsureVisible(ME_TextEditor *editor, ME_Cursor *pCursor);
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void ME_InvalidateSelection(ME_TextEditor *editor);
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BOOL ME_SetZoom(ME_TextEditor *editor, int numerator, int denominator);
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int ME_twips2pointsX(ME_Context *c, int x);
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int ME_twips2pointsY(ME_Context *c, int y);
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/* scroll functions in paint.c */
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void ME_ScrollAbs(ME_TextEditor *editor, int x, int y);
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void ME_HScrollAbs(ME_TextEditor *editor, int x);
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void ME_VScrollAbs(ME_TextEditor *editor, int y);
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void ME_ScrollUp(ME_TextEditor *editor, int cy);
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void ME_ScrollDown(ME_TextEditor *editor, int cy);
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void ME_ScrollLeft(ME_TextEditor *editor, int cx);
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void ME_ScrollRight(ME_TextEditor *editor, int cx);
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void ME_UpdateScrollBar(ME_TextEditor *editor);
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/* other functions in paint.c */
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int ME_GetParaBorderWidth(ME_TextEditor *editor, int);
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int ME_GetParaLineSpace(ME_Context *c, ME_Paragraph*);
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/* richole.c */
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LRESULT CreateIRichEditOle(ME_TextEditor *editor, LPVOID *);
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void ME_DrawOLE(ME_Context *c, int x, int y, ME_Run* run, ME_Paragraph *para, BOOL selected);
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void ME_GetOLEObjectSize(ME_Context *c, ME_Run *run, SIZE *pSize);
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void ME_CopyReObject(REOBJECT* dst, const REOBJECT* src);
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void ME_DeleteReObject(REOBJECT* reo);
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/* editor.c */
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ME_TextEditor *ME_MakeEditor(ITextHost *texthost, BOOL bEmulateVersion10);
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LRESULT ME_HandleMessage(ME_TextEditor *editor, UINT msg, WPARAM wParam,
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LPARAM lParam, BOOL unicode, HRESULT* phresult);
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void ME_SendOldNotify(ME_TextEditor *editor, int nCode);
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int ME_GetTextW(ME_TextEditor *editor, WCHAR *buffer, int nStart, int nChars, BOOL bCRLF);
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void ME_RTFCharAttrHook(struct _RTF_Info *info);
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void ME_RTFParAttrHook(struct _RTF_Info *info);
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void ME_RTFTblAttrHook(struct _RTF_Info *info);
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void ME_RTFSpecialCharHook(struct _RTF_Info *info);
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void ME_StreamInFill(ME_InStream *stream);
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extern int me_debug;
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extern void DoWrap(ME_TextEditor *editor);
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/* table.c */
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BOOL ME_IsInTable(ME_DisplayItem *pItem);
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ME_DisplayItem *ME_InsertTableRowStartFromCursor(ME_TextEditor *editor);
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ME_DisplayItem *ME_InsertTableRowStartAtParagraph(ME_TextEditor *editor,
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ME_DisplayItem *para);
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ME_DisplayItem *ME_InsertTableCellFromCursor(ME_TextEditor *editor);
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ME_DisplayItem *ME_InsertTableRowEndFromCursor(ME_TextEditor *editor);
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ME_DisplayItem *ME_GetTableRowEnd(ME_DisplayItem *para);
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ME_DisplayItem *ME_GetTableRowStart(ME_DisplayItem *para);
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void ME_CheckTablesForCorruption(ME_TextEditor *editor);
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void ME_ProtectPartialTableDeletion(ME_TextEditor *editor, int nOfs,int *nChars);
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ME_DisplayItem* ME_AppendTableRow(ME_TextEditor *editor, ME_DisplayItem *table_row);
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void ME_TabPressedInTable(ME_TextEditor *editor, BOOL bSelectedRow);
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void ME_MoveCursorFromTableRowStartParagraph(ME_TextEditor *editor);
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struct RTFTable *ME_MakeTableDef(ME_TextEditor *editor);
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void ME_InitTableDef(ME_TextEditor *editor, struct RTFTable *tableDef);
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/* txthost.c */
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ITextHost *ME_CreateTextHost(HWND hwnd, BOOL bEmulateVersion10);
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#ifdef __i386__ /* Use wrappers to perform thiscall on i386 */
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#define TXTHOST_VTABLE(This) (&itextHostStdcallVtbl)
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#else /* __i386__ */
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#define TXTHOST_VTABLE(This) (This)->lpVtbl
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#endif /* __i386__ */
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/*** ITextHost methods ***/
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#define ITextHost_TxGetDC(This) TXTHOST_VTABLE(This)->TxGetDC(This)
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#define ITextHost_TxReleaseDC(This,a) TXTHOST_VTABLE(This)->TxReleaseDC(This,a)
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#define ITextHost_TxShowScrollBar(This,a,b) TXTHOST_VTABLE(This)->TxShowScrollBar(This,a,b)
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#define ITextHost_TxEnableScrollBar(This,a,b) TXTHOST_VTABLE(This)->TxEnableScrollBar(This,a,b)
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#define ITextHost_TxSetScrollRange(This,a,b,c,d) TXTHOST_VTABLE(This)->TxSetScrollRange(This,a,b,c,d)
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#define ITextHost_TxSetScrollPos(This,a,b,c) TXTHOST_VTABLE(This)->TxSetScrollPos(This,a,b,c)
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#define ITextHost_TxInvalidateRect(This,a,b) TXTHOST_VTABLE(This)->TxInvalidateRect(This,a,b)
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#define ITextHost_TxViewChange(This,a) TXTHOST_VTABLE(This)->TxViewChange(This,a)
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#define ITextHost_TxCreateCaret(This,a,b,c) TXTHOST_VTABLE(This)->TxCreateCaret(This,a,b,c)
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#define ITextHost_TxShowCaret(This,a) TXTHOST_VTABLE(This)->TxShowCaret(This,a)
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#define ITextHost_TxSetCaretPos(This,a,b) TXTHOST_VTABLE(This)->TxSetCaretPos(This,a,b)
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#define ITextHost_TxSetTimer(This,a,b) TXTHOST_VTABLE(This)->TxSetTimer(This,a,b)
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#define ITextHost_TxKillTimer(This,a) TXTHOST_VTABLE(This)->TxKillTimer(This,a)
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#define ITextHost_TxScrollWindowEx(This,a,b,c,d,e,f,g) TXTHOST_VTABLE(This)->TxScrollWindowEx(This,a,b,c,d,e,f,g)
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#define ITextHost_TxSetCapture(This,a) TXTHOST_VTABLE(This)->TxSetCapture(This,a)
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#define ITextHost_TxSetFocus(This) TXTHOST_VTABLE(This)->TxSetFocus(This)
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#define ITextHost_TxSetCursor(This,a,b) TXTHOST_VTABLE(This)->TxSetCursor(This,a,b)
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#define ITextHost_TxScreenToClient(This,a) TXTHOST_VTABLE(This)->TxScreenToClient(This,a)
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#define ITextHost_TxClientToScreen(This,a) TXTHOST_VTABLE(This)->TxClientToScreen(This,a)
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#define ITextHost_TxActivate(This,a) TXTHOST_VTABLE(This)->TxActivate(This,a)
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#define ITextHost_TxDeactivate(This,a) TXTHOST_VTABLE(This)->TxDeactivate(This,a)
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#define ITextHost_TxGetClientRect(This,a) TXTHOST_VTABLE(This)->TxGetClientRect(This,a)
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#define ITextHost_TxGetViewInset(This,a) TXTHOST_VTABLE(This)->TxGetViewInset(This,a)
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#define ITextHost_TxGetCharFormat(This,a) TXTHOST_VTABLE(This)->TxGetCharFormat(This,a)
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#define ITextHost_TxGetParaFormat(This,a) TXTHOST_VTABLE(This)->TxGetParaFormat(This,a)
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#define ITextHost_TxGetSysColor(This,a) TXTHOST_VTABLE(This)->TxGetSysColor(This,a)
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#define ITextHost_TxGetBackStyle(This,a) TXTHOST_VTABLE(This)->TxGetBackStyle(This,a)
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#define ITextHost_TxGetMaxLength(This,a) TXTHOST_VTABLE(This)->TxGetMaxLength(This,a)
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#define ITextHost_TxGetScrollBars(This,a) TXTHOST_VTABLE(This)->TxGetScrollBars(This,a)
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#define ITextHost_TxGetPasswordChar(This,a) TXTHOST_VTABLE(This)->TxGetPasswordChar(This,a)
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#define ITextHost_TxGetAcceleratorPos(This,a) TXTHOST_VTABLE(This)->TxGetAcceleratorPos(This,a)
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#define ITextHost_TxGetExtent(This,a) TXTHOST_VTABLE(This)->TxGetExtent(This,a)
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#define ITextHost_OnTxCharFormatChange(This,a) TXTHOST_VTABLE(This)->OnTxCharFormatChange(This,a)
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#define ITextHost_OnTxParaFormatChange(This,a) TXTHOST_VTABLE(This)->OnTxParaFormatChange(This,a)
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#define ITextHost_TxGetPropertyBits(This,a,b) TXTHOST_VTABLE(This)->TxGetPropertyBits(This,a,b)
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#define ITextHost_TxNotify(This,a,b) TXTHOST_VTABLE(This)->TxNotify(This,a,b)
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#define ITextHost_TxImmGetContext(This) TXTHOST_VTABLE(This)->TxImmGetContext(This)
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#define ITextHost_TxImmReleaseContext(This,a) TXTHOST_VTABLE(This)->TxImmReleaseContext(This,a)
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#define ITextHost_TxGetSelectionBarWidth(This,a) TXTHOST_VTABLE(This)->TxGetSelectionBarWidth(This,a)
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/* undo.c */
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ME_UndoItem *ME_AddUndoItem(ME_TextEditor *editor, ME_DIType type, const ME_DisplayItem *pdi);
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void ME_CommitUndo(ME_TextEditor *editor);
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void ME_ContinueCoalescingTransaction(ME_TextEditor *editor);
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void ME_CommitCoalescingUndo(ME_TextEditor *editor);
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BOOL ME_Undo(ME_TextEditor *editor);
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BOOL ME_Redo(ME_TextEditor *editor);
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void ME_EmptyUndoStack(ME_TextEditor *editor);
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/* writer.c */
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LRESULT ME_StreamOutRange(ME_TextEditor *editor, DWORD dwFormat, int nStart, int nTo, EDITSTREAM *stream);
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LRESULT ME_StreamOut(ME_TextEditor *editor, DWORD dwFormat, EDITSTREAM *stream);
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/* clipboard.c */
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HRESULT ME_GetDataObject(ME_TextEditor *editor, const CHARRANGE *lpchrg, LPDATAOBJECT *lplpdataobj);
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