/* * RichEdit - prototypes for functions and macro definitions * * Copyright 2004 by Krzysztof Foltman * * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include "editstr.h" #define ALLOC_OBJ(type) HeapAlloc(me_heap, 0, sizeof(type)) #define ALLOC_N_OBJ(type, count) HeapAlloc(me_heap, 0, (count)*sizeof(type)) #define FREE_OBJ(ptr) HeapFree(me_heap, 0, ptr) /* style.c */ ME_Style *ME_MakeStyle(CHARFORMAT2W *style); void ME_AddRefStyle(ME_Style *item); void ME_ReleaseStyle(ME_Style *item); ME_Style *ME_GetInsertStyle(ME_TextEditor *editor, int nCursor); ME_Style *ME_ApplyStyle(ME_Style *sSrc, CHARFORMAT2W *style); HFONT ME_SelectStyleFont(ME_TextEditor *editor, HDC hDC, ME_Style *s); void ME_UnselectStyleFont(ME_TextEditor *editor, HDC hDC, ME_Style *s, HFONT hOldFont); void ME_InitCharFormat2W(CHARFORMAT2W *pFmt); void ME_SaveTempStyle(ME_TextEditor *editor); void ME_ClearTempStyle(ME_TextEditor *editor); void ME_DumpStyleToBuf(CHARFORMAT2W *pFmt, char buf[2048]); void ME_DumpStyle(ME_Style *s); CHARFORMAT2W *ME_ToCF2W(CHARFORMAT2W *to, CHARFORMAT2W *from); void ME_CopyToCF2W(CHARFORMAT2W *to, CHARFORMAT2W *from); CHARFORMAT2W *ME_ToCFAny(CHARFORMAT2W *to, CHARFORMAT2W *from); void ME_CopyToCFAny(CHARFORMAT2W *to, CHARFORMAT2W *from); void ME_CopyCharFormat(CHARFORMAT2W *pDest, CHARFORMAT2W *pSrc); /* only works with 2W structs */ /* list.c */ void ME_InsertBefore(ME_DisplayItem *diWhere, ME_DisplayItem *diWhat); void ME_Remove(ME_DisplayItem *diWhere); ME_DisplayItem *ME_FindItemBack(ME_DisplayItem *di, ME_DIType nTypeOrClass); ME_DisplayItem *ME_FindItemFwd(ME_DisplayItem *di, ME_DIType nTypeOrClass); ME_DisplayItem *ME_FindItemBackOrHere(ME_DisplayItem *di, ME_DIType nTypeOrClass); ME_DisplayItem *ME_FindItemFwdOrHere(ME_DisplayItem *di, ME_DIType nTypeOrClass); BOOL ME_DITypesEqual(ME_DIType type, ME_DIType nTypeOrClass); ME_DisplayItem *ME_MakeDI(ME_DIType type); void ME_DestroyDisplayItem(ME_DisplayItem *item); void ME_DumpDocument(ME_TextBuffer *buffer); const char *ME_GetDITypeName(ME_DIType type); /* string.c */ int ME_GetOptimalBuffer(int nLen); ME_String *ME_MakeString(LPCWSTR szText); ME_String *ME_MakeStringN(LPCWSTR szText, int nMaxChars); ME_String *ME_StrDup(ME_String *s); void ME_DestroyString(ME_String *s); void ME_AppendString(ME_String *s1, ME_String *s2); ME_String *ME_ConcatString(ME_String *s1, ME_String *s2); ME_String *ME_VSplitString(ME_String *orig, int nVPos); int ME_IsWhitespaces(ME_String *s); int ME_IsSplitable(ME_String *s); /* int ME_CalcSkipChars(ME_String *s); */ int ME_StrLen(ME_String *s); int ME_StrVLen(ME_String *s); int ME_FindNonWhitespaceV(ME_String *s, int nVChar); int ME_FindWhitespaceV(ME_String *s, int nVChar); int ME_GetCharFwd(ME_String *s, int nPos); /* get char starting from start */ int ME_GetCharBack(ME_String *s, int nPos); /* get char starting from \0 */ int ME_StrRelPos(ME_String *s, int nVChar, int *pRelChars); int ME_StrRelPos2(ME_String *s, int nVChar, int nRelChars); int ME_VPosToPos(ME_String *s, int nVPos); int ME_PosToVPos(ME_String *s, int nPos); void ME_StrDeleteV(ME_String *s, int nVChar, int nChars); /* smart helpers for A<->W conversions, they reserve/free memory and call MultiByte<->WideChar functions */ LPWSTR ME_ToUnicode(HWND hWnd, LPVOID psz); void ME_EndToUnicode(HWND hWnd, LPVOID psz); LPSTR ME_ToAnsi(HWND hWnd, LPVOID psz); void ME_EndToAnsi(HWND hWnd, LPVOID psz); static inline int ME_IsWSpace(WCHAR ch) { return ch > '\0' && ch <= ' '; } /* note: those two really return the first matching offset (starting from EOS)+1 * in other words, an offset of the first trailing white/black */ int ME_ReverseFindNonWhitespaceV(ME_String *s, int nVChar); int ME_ReverseFindWhitespaceV(ME_String *s, int nVChar); /* row.c */ ME_DisplayItem *ME_FindRowStart(ME_Context *c, ME_DisplayItem *run, int nRelPos); ME_DisplayItem *ME_RowStart(ME_DisplayItem *item); ME_DisplayItem *ME_RowEnd(ME_DisplayItem *item); void ME_RenumberParagraphs(ME_DisplayItem *item); /* TODO */ /* run.c */ ME_DisplayItem *ME_MakeRun(ME_Style *s, ME_String *strData, int nFlags); /* note: ME_InsertRun inserts a copy of the specified run - so you need to destroy the original */ ME_DisplayItem *ME_InsertRun(ME_TextEditor *editor, int nCharOfs, ME_DisplayItem *pItem); void ME_CheckCharOffsets(ME_TextEditor *editor); void ME_PropagateCharOffset(ME_DisplayItem *p, int shift); void ME_GetGraphicsSize(ME_TextEditor *editor, ME_Run *run, SIZE *pSize); int ME_CharFromPoint(ME_TextEditor *editor, int cx, ME_Paragraph *para, ME_Run *run); /* this one accounts for 1/2 char tolerance */ int ME_CharFromPointCursor(ME_TextEditor *editor, int cx, ME_Run *run); int ME_PointFromChar(ME_TextEditor *editor, ME_Run *pRun, int nOffset); int ME_GetLastSplittablePlace(ME_Context *c, ME_Run *run); int ME_CanJoinRuns(ME_Run *run1, ME_Run *run2); void ME_JoinRuns(ME_TextEditor *editor, ME_DisplayItem *p); ME_DisplayItem *ME_SplitRun(ME_Context *c, ME_DisplayItem *item, int nChar); ME_DisplayItem *ME_SplitRunSimple(ME_TextEditor *editor, ME_DisplayItem *item, int nChar); int ME_FindSplitPoint(ME_Context *c, POINT *pt, ME_Run *run, int desperate); void ME_UpdateRunFlags(ME_TextEditor *editor, ME_Run *run); ME_DisplayItem *ME_SplitFurther(ME_TextEditor *editor, ME_DisplayItem *run); void ME_CalcRunExtent(ME_Context *c, ME_Paragraph *para, ME_Run *run); SIZE ME_GetRunSize(ME_Context *c, ME_Paragraph *para, ME_Run *run, int nLen); void ME_CursorFromCharOfs(ME_TextEditor *editor, int nCharOfs, ME_Cursor *pCursor); void ME_RunOfsFromCharOfs(ME_TextEditor *editor, int nCharOfs, ME_DisplayItem **ppRun, int *pOfs); int ME_CharOfsFromRunOfs(ME_TextEditor *editor, ME_DisplayItem *pRun, int nOfs); void ME_SkipAndPropagateCharOffset(ME_DisplayItem *p, int shift); void ME_SetCharFormat(ME_TextEditor *editor, int nFrom, int nLen, CHARFORMAT2W *pFmt); void ME_SetSelectionCharFormat(ME_TextEditor *editor, CHARFORMAT2W *pFmt); void ME_GetCharFormat(ME_TextEditor *editor, int nFrom, int nLen, CHARFORMAT2W *pFmt); void ME_GetSelectionCharFormat(ME_TextEditor *editor, CHARFORMAT2W *pFmt); void ME_GetDefaultCharFormat(ME_TextEditor *editor, CHARFORMAT2W *pFmt); void ME_SetDefaultCharFormat(ME_TextEditor *editor, CHARFORMAT2W *mod); /* caret.c */ void ME_SetSelection(ME_TextEditor *editor, int from, int to); void ME_HideCaret(ME_TextEditor *ed); void ME_ShowCaret(ME_TextEditor *ed); void ME_MoveCaret(ME_TextEditor *ed); int ME_FindPixelPos(ME_TextEditor *editor, int x, int y, ME_Cursor *result, BOOL *is_eol); void ME_LButtonDown(ME_TextEditor *editor, int x, int y); void ME_MouseMove(ME_TextEditor *editor, int x, int y); void ME_DeleteTextAtCursor(ME_TextEditor *editor, int nCursor, int nChars); void ME_InsertTextFromCursor(ME_TextEditor *editor, int nCursor, const WCHAR *str, int len, ME_Style *style); void ME_SetCharFormat(ME_TextEditor *editor, int nOfs, int nChars, CHARFORMAT2W *pFmt); BOOL ME_ArrowKey(ME_TextEditor *ed, int nVKey, int nCtrl); void ME_InitContext(ME_Context *c, ME_TextEditor *editor, HDC hDC); void ME_DestroyContext(ME_Context *c); ME_Style *GetInsertStyle(ME_TextEditor *editor, int nCursor); void ME_MustBeWrapped(ME_Context *c, ME_DisplayItem *para); int ME_GetCursorOfs(ME_TextEditor *editor, int nCursor); void ME_GetSelection(ME_TextEditor *editor, int *from, int *to); int ME_CountParagraphsBetween(ME_TextEditor *editor, int from, int to); BOOL ME_IsSelection(ME_TextEditor *editor); void ME_DeleteSelection(ME_TextEditor *editor); void ME_SendSelChange(ME_TextEditor *editor); void ME_InsertGraphicsFromCursor(ME_TextEditor *editor, int nCursor); void ME_InternalDeleteText(ME_TextEditor *editor, int nOfs, int nChars); int ME_GetTextLength(ME_TextEditor *editor); ME_Style *ME_GetSelectionInsertStyle(ME_TextEditor *editor); BOOL ME_UpdateSelection(ME_TextEditor *editor, ME_Cursor *pTempCursor); /* wrap.c */ void ME_PrepareParagraphForWrapping(ME_Context *c, ME_DisplayItem *tp); ME_DisplayItem *ME_MakeRow(int height, int baseline, int width); void ME_InsertRowStart(ME_WrapContext *wc, ME_DisplayItem *pEnd); void ME_WrapTextParagraph(ME_Context *c, ME_DisplayItem *tp); BOOL ME_WrapMarkedParagraphs(ME_TextEditor *editor); /* para.c */ ME_DisplayItem *ME_GetParagraph(ME_DisplayItem *run); void ME_MakeFirstParagraph(HDC hDC, ME_TextBuffer *editor); ME_DisplayItem *ME_SplitParagraph(ME_TextEditor *editor, ME_DisplayItem *rp, ME_Style *style); ME_DisplayItem *ME_JoinParagraphs(ME_TextEditor *editor, ME_DisplayItem *tp); void ME_DumpParaStyle(ME_Paragraph *s); void ME_DumpParaStyleToBuf(PARAFORMAT2 *pFmt, char buf[2048]); void ME_SetParaFormat(ME_TextEditor *editor, ME_DisplayItem *para, PARAFORMAT2 *pFmt); void ME_SetSelectionParaFormat(ME_TextEditor *editor, PARAFORMAT2 *pFmt); void ME_GetParaFormat(ME_TextEditor *editor, ME_DisplayItem *para, PARAFORMAT2 *pFmt); void ME_GetSelectionParaFormat(ME_TextEditor *editor, PARAFORMAT2 *pFmt); /* marks from first up to (but not including) last */ void ME_MarkForWrapping(ME_TextEditor *editor, ME_DisplayItem *first, ME_DisplayItem *last); void ME_MarkAllForWrapping(ME_TextEditor *editor); /* paint.c */ void ME_PaintContent(ME_TextEditor *editor, HDC hDC, BOOL bOnlyNew, RECT *rcUpdate); void ME_Repaint(ME_TextEditor *editor); void ME_UpdateRepaint(ME_TextEditor *editor); void ME_DrawParagraph(ME_Context *c, ME_DisplayItem *paragraph); void ME_UpdateScrollBar(ME_TextEditor *editor); int ME_GetYScrollPos(ME_TextEditor *editor); void ME_EnsureVisible(ME_TextEditor *editor, ME_DisplayItem *pRun); COLORREF ME_GetBackColor(ME_TextEditor *editor); void ME_Scroll(ME_TextEditor *editor, int cx, int cy); /* richole.c */ extern LRESULT CreateIRichEditOle(LPVOID *); /* wintest.c */ /* editor.c */ void ME_RegisterEditorClass(); ME_TextEditor *ME_MakeEditor(HWND hWnd); void ME_DestroyEditor(ME_TextEditor *editor); void ME_SendOldNotify(ME_TextEditor *editor, int nCode); ME_UndoItem *ME_AddUndoItem(ME_TextEditor *editor, ME_DIType type, ME_DisplayItem *di); void ME_CommitUndo(ME_TextEditor *editor); void ME_Undo(ME_TextEditor *editor); void ME_Redo(ME_TextEditor *editor); void ME_EmptyUndoStack(ME_TextEditor *editor); int ME_GetTextW(ME_TextEditor *editor, WCHAR *buffer, int nStart, int nChars, BOOL bCRLF); ME_DisplayItem *ME_FindItemAtOffset(ME_TextEditor *editor, ME_DIType nItemType, int nOffset, int *nItemOffset); void ME_StreamInFill(ME_InStream *stream); extern int me_debug; extern HANDLE me_heap; extern void DoWrap(ME_TextEditor *editor); /* writer.c */ LRESULT ME_StreamOut(ME_TextEditor *editor, DWORD dwFormat, EDITSTREAM *stream);