2 * RichEdit - prototypes for functions and macro definitions
4 * Copyright 2004 by Krzysztof Foltman
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
22 #include "wine/unicode.h"
26 extern HANDLE me_heap;
28 static inline void __WINE_ALLOC_SIZE(1) *heap_alloc( size_t len )
30 return HeapAlloc( me_heap, 0, len );
33 static inline BOOL heap_free( void *ptr )
35 return HeapFree( me_heap, 0, ptr );
38 static inline void __WINE_ALLOC_SIZE(2) *heap_realloc( void *ptr, size_t len )
40 return HeapReAlloc( me_heap, 0, ptr, len );
43 #define ALLOC_OBJ(type) heap_alloc(sizeof(type))
44 #define ALLOC_N_OBJ(type, count) heap_alloc((count)*sizeof(type))
45 #define FREE_OBJ(ptr) heap_free(ptr)
47 #define RUN_IS_HIDDEN(run) ((run)->style->fmt.dwMask & CFM_HIDDEN \
48 && (run)->style->fmt.dwEffects & CFE_HIDDEN)
50 #define InitFormatEtc(fe, cf, med) \
53 (fe).dwAspect=DVASPECT_CONTENT;\
60 ME_Style *ME_MakeStyle(CHARFORMAT2W *style);
61 void ME_AddRefStyle(ME_Style *item);
62 void ME_ReleaseStyle(ME_Style *item);
63 ME_Style *ME_GetInsertStyle(ME_TextEditor *editor, int nCursor);
64 ME_Style *ME_ApplyStyle(ME_Style *sSrc, CHARFORMAT2W *style);
65 HFONT ME_SelectStyleFont(ME_Context *c, ME_Style *s);
66 void ME_UnselectStyleFont(ME_Context *c, ME_Style *s, HFONT hOldFont);
67 void ME_InitCharFormat2W(CHARFORMAT2W *pFmt);
68 void ME_SaveTempStyle(ME_TextEditor *editor);
69 void ME_ClearTempStyle(ME_TextEditor *editor);
70 void ME_DumpStyleToBuf(CHARFORMAT2W *pFmt, char buf[2048]);
71 void ME_DumpStyle(ME_Style *s);
72 CHARFORMAT2W *ME_ToCF2W(CHARFORMAT2W *to, CHARFORMAT2W *from);
73 void ME_CopyToCF2W(CHARFORMAT2W *to, CHARFORMAT2W *from);
74 CHARFORMAT2W *ME_ToCFAny(CHARFORMAT2W *to, CHARFORMAT2W *from);
75 void ME_CopyToCFAny(CHARFORMAT2W *to, CHARFORMAT2W *from);
76 void ME_CopyCharFormat(CHARFORMAT2W *pDest, const CHARFORMAT2W *pSrc); /* only works with 2W structs */
77 void ME_CharFormatFromLogFont(HDC hDC, const LOGFONTW *lf, CHARFORMAT2W *fmt); /* ditto */
80 void ME_InsertBefore(ME_DisplayItem *diWhere, ME_DisplayItem *diWhat);
81 void ME_Remove(ME_DisplayItem *diWhere);
82 ME_DisplayItem *ME_FindItemBack(ME_DisplayItem *di, ME_DIType nTypeOrClass);
83 ME_DisplayItem *ME_FindItemFwd(ME_DisplayItem *di, ME_DIType nTypeOrClass);
84 ME_DisplayItem *ME_FindItemBackOrHere(ME_DisplayItem *di, ME_DIType nTypeOrClass);
85 ME_DisplayItem *ME_FindItemFwdOrHere(ME_DisplayItem *di, ME_DIType nTypeOrClass);
86 BOOL ME_DITypesEqual(ME_DIType type, ME_DIType nTypeOrClass);
87 ME_DisplayItem *ME_MakeDI(ME_DIType type);
88 void ME_DestroyDisplayItem(ME_DisplayItem *item);
89 void ME_DumpDocument(ME_TextBuffer *buffer);
90 const char *ME_GetDITypeName(ME_DIType type);
93 int ME_GetOptimalBuffer(int nLen);
94 ME_String *ME_MakeString(LPCWSTR szText);
95 ME_String *ME_MakeStringN(LPCWSTR szText, int nMaxChars);
96 ME_String *ME_MakeStringR(WCHAR cRepeat, int nMaxChars);
97 ME_String *ME_MakeStringB(int nMaxChars);
98 ME_String *ME_StrDup(const ME_String *s);
99 void ME_DestroyString(ME_String *s);
100 void ME_AppendString(ME_String *s1, const ME_String *s2);
101 ME_String *ME_ConcatString(const ME_String *s1, const ME_String *s2);
102 ME_String *ME_VSplitString(ME_String *orig, int nVPos);
103 int ME_IsWhitespaces(const ME_String *s);
104 int ME_IsSplitable(const ME_String *s);
105 /* int ME_CalcSkipChars(ME_String *s); */
106 int ME_StrLen(const ME_String *s);
107 int ME_StrVLen(const ME_String *s);
108 int ME_FindNonWhitespaceV(const ME_String *s, int nVChar);
109 int ME_FindWhitespaceV(ME_String *s, int nVChar);
110 int ME_CallWordBreakProc(ME_TextEditor *editor, ME_String *str, INT start, INT code);
111 int ME_GetCharFwd(const ME_String *s, int nPos); /* get char starting from start */
112 int ME_GetCharBack(const ME_String *s, int nPos); /* get char starting from \0 */
113 int ME_StrRelPos(const ME_String *s, int nVChar, int *pRelChars);
114 int ME_StrRelPos2(const ME_String *s, int nVChar, int nRelChars);
115 int ME_VPosToPos(ME_String *s, int nVPos);
116 int ME_PosToVPos(const ME_String *s, int nPos);
117 void ME_StrDeleteV(ME_String *s, int nVChar, int nChars);
118 /* smart helpers for A<->W conversions, they reserve/free memory and call MultiByte<->WideChar functions */
119 LPWSTR ME_ToUnicode(BOOL unicode, LPVOID psz);
120 void ME_EndToUnicode(BOOL unicode, LPVOID psz);
122 static inline int ME_IsWSpace(WCHAR ch)
124 return ch > '\0' && ch <= ' ';
127 static inline int ME_CharCompare(WCHAR a, WCHAR b, int caseSensitive)
129 return caseSensitive ? (a == b) : (toupperW(a) == toupperW(b));
132 /* note: those two really return the first matching offset (starting from EOS)+1
133 * in other words, an offset of the first trailing white/black */
134 int ME_ReverseFindNonWhitespaceV(const ME_String *s, int nVChar);
135 int ME_ReverseFindWhitespaceV(const ME_String *s, int nVChar);
138 ME_DisplayItem *ME_FindRowStart(ME_Context *c, ME_DisplayItem *run, int nRelPos);
139 ME_DisplayItem *ME_RowStart(ME_DisplayItem *item);
140 /* ME_DisplayItem *ME_RowEnd(ME_DisplayItem *item); */
141 void ME_RenumberParagraphs(ME_DisplayItem *item); /* TODO */
142 ME_DisplayItem *ME_FindRowWithNumber(ME_TextEditor *editor, int nRow);
143 int ME_RowNumberFromCharOfs(ME_TextEditor *editor, int nOfs);
146 ME_DisplayItem *ME_MakeRun(ME_Style *s, ME_String *strData, int nFlags);
147 /* note: ME_InsertRun inserts a copy of the specified run - so you need to destroy the original */
148 ME_DisplayItem *ME_InsertRun(ME_TextEditor *editor, int nCharOfs, ME_DisplayItem *pItem);
149 ME_DisplayItem *ME_InsertRunAtCursor(ME_TextEditor *editor, ME_Cursor *cursor,
150 ME_Style *style, const WCHAR *str, int len, int flags);
151 void ME_CheckCharOffsets(ME_TextEditor *editor);
152 void ME_PropagateCharOffset(ME_DisplayItem *p, int shift);
153 int ME_CharFromPoint(ME_Context *c, int cx, ME_Run *run);
154 /* this one accounts for 1/2 char tolerance */
155 int ME_CharFromPointCursor(ME_TextEditor *editor, int cx, ME_Run *run);
156 int ME_PointFromChar(ME_TextEditor *editor, ME_Run *pRun, int nOffset);
157 int ME_GetLastSplittablePlace(ME_Context *c, ME_Run *run);
158 int ME_CanJoinRuns(const ME_Run *run1, const ME_Run *run2);
159 void ME_JoinRuns(ME_TextEditor *editor, ME_DisplayItem *p);
160 ME_DisplayItem *ME_SplitRun(ME_WrapContext *wc, ME_DisplayItem *item, int nChar);
161 ME_DisplayItem *ME_SplitRunSimple(ME_TextEditor *editor, ME_DisplayItem *item, int nChar);
162 int ME_FindSplitPoint(ME_Context *c, POINT *pt, ME_Run *run, int desperate);
163 void ME_UpdateRunFlags(ME_TextEditor *editor, ME_Run *run);
164 ME_DisplayItem *ME_SplitFurther(ME_TextEditor *editor, ME_DisplayItem *run);
165 void ME_CalcRunExtent(ME_Context *c, const ME_Paragraph *para, int startx, ME_Run *run);
166 SIZE ME_GetRunSize(ME_Context *c, const ME_Paragraph *para, ME_Run *run, int nLen, int startx);
167 void ME_CursorFromCharOfs(ME_TextEditor *editor, int nCharOfs, ME_Cursor *pCursor);
168 void ME_RunOfsFromCharOfs(ME_TextEditor *editor, int nCharOfs, ME_DisplayItem **ppRun, int *pOfs);
169 int ME_CharOfsFromRunOfs(ME_TextEditor *editor, ME_DisplayItem *pRun, int nOfs);
170 void ME_SkipAndPropagateCharOffset(ME_DisplayItem *p, int shift);
171 void ME_SetCharFormat(ME_TextEditor *editor, int nFrom, int nLen, CHARFORMAT2W *pFmt);
172 void ME_SetSelectionCharFormat(ME_TextEditor *editor, CHARFORMAT2W *pFmt);
173 void ME_GetCharFormat(ME_TextEditor *editor, int nFrom, int nLen, CHARFORMAT2W *pFmt);
174 void ME_GetSelectionCharFormat(ME_TextEditor *editor, CHARFORMAT2W *pFmt);
175 void ME_GetDefaultCharFormat(ME_TextEditor *editor, CHARFORMAT2W *pFmt);
176 void ME_SetDefaultCharFormat(ME_TextEditor *editor, CHARFORMAT2W *mod);
179 int ME_SetSelection(ME_TextEditor *editor, int from, int to);
180 void ME_SelectByType(ME_TextEditor *editor, ME_SelectionType selectionType);
181 void ME_HideCaret(ME_TextEditor *ed);
182 void ME_ShowCaret(ME_TextEditor *ed);
183 void ME_MoveCaret(ME_TextEditor *ed);
184 int ME_CharFromPos(ME_TextEditor *editor, int x, int y, BOOL *isExact);
185 void ME_LButtonDown(ME_TextEditor *editor, int x, int y, int clickNum);
186 void ME_MouseMove(ME_TextEditor *editor, int x, int y);
187 BOOL ME_DeleteTextAtCursor(ME_TextEditor *editor, int nCursor, int nChars);
188 void ME_InsertTextFromCursor(ME_TextEditor *editor, int nCursor,
189 const WCHAR *str, int len, ME_Style *style);
190 void ME_InsertEndRowFromCursor(ME_TextEditor *editor, int nCursor);
191 BOOL ME_ArrowKey(ME_TextEditor *ed, int nVKey, BOOL extend, BOOL ctrl);
193 void ME_MustBeWrapped(ME_Context *c, ME_DisplayItem *para);
194 void ME_GetCursorCoordinates(ME_TextEditor *editor, ME_Cursor *pCursor,
195 int *x, int *y, int *height);
196 int ME_GetCursorOfs(ME_TextEditor *editor, int nCursor);
197 void ME_GetSelection(ME_TextEditor *editor, int *from, int *to);
198 int ME_CountParagraphsBetween(ME_TextEditor *editor, int from, int to);
199 BOOL ME_IsSelection(ME_TextEditor *editor);
200 void ME_DeleteSelection(ME_TextEditor *editor);
201 void ME_SendSelChange(ME_TextEditor *editor);
202 void ME_InsertOLEFromCursor(ME_TextEditor *editor, const REOBJECT* reo, int nCursor);
203 BOOL ME_InternalDeleteText(ME_TextEditor *editor, int nOfs, int nChars, BOOL bForce);
204 int ME_GetTextLength(ME_TextEditor *editor);
205 int ME_GetTextLengthEx(ME_TextEditor *editor, const GETTEXTLENGTHEX *how);
206 ME_Style *ME_GetSelectionInsertStyle(ME_TextEditor *editor);
207 BOOL ME_UpdateSelection(ME_TextEditor *editor, const ME_Cursor *pTempCursor);
210 void ME_InitContext(ME_Context *c, ME_TextEditor *editor, HDC hDC);
211 void ME_DestroyContext(ME_Context *c, HWND release);
214 BOOL ME_WrapMarkedParagraphs(ME_TextEditor *editor);
215 void ME_InvalidateMarkedParagraphs(ME_TextEditor *editor);
216 void ME_SendRequestResize(ME_TextEditor *editor, BOOL force);
219 ME_DisplayItem *ME_GetParagraph(ME_DisplayItem *run);
220 void ME_GetSelectionParas(ME_TextEditor *editor, ME_DisplayItem **para, ME_DisplayItem **para_end);
221 void ME_MakeFirstParagraph(ME_TextEditor *editor);
222 ME_DisplayItem *ME_SplitParagraph(ME_TextEditor *editor, ME_DisplayItem *rp, ME_Style *style, int numCR, int numLF, int paraFlags);
223 ME_DisplayItem *ME_JoinParagraphs(ME_TextEditor *editor, ME_DisplayItem *tp,
224 BOOL keepFirstParaFormat);
225 void ME_DumpParaStyle(ME_Paragraph *s);
226 void ME_DumpParaStyleToBuf(const PARAFORMAT2 *pFmt, char buf[2048]);
227 BOOL ME_SetParaFormat(ME_TextEditor *editor, ME_DisplayItem *para, const PARAFORMAT2 *pFmt);
228 BOOL ME_SetSelectionParaFormat(ME_TextEditor *editor, const PARAFORMAT2 *pFmt);
229 void ME_GetParaFormat(ME_TextEditor *editor, const ME_DisplayItem *para, PARAFORMAT2 *pFmt);
230 void ME_GetSelectionParaFormat(ME_TextEditor *editor, PARAFORMAT2 *pFmt);
231 /* marks from first up to (but not including) last */
232 void ME_MarkForWrapping(ME_TextEditor *editor, ME_DisplayItem *first, const ME_DisplayItem *last);
233 void ME_MarkForPainting(ME_TextEditor *editor, ME_DisplayItem *first, const ME_DisplayItem *last);
234 void ME_MarkAllForWrapping(ME_TextEditor *editor);
235 void ME_SetDefaultParaFormat(PARAFORMAT2 *pFmt);
238 void ME_PaintContent(ME_TextEditor *editor, HDC hDC, BOOL bOnlyNew, const RECT *rcUpdate);
239 void ME_Repaint(ME_TextEditor *editor);
240 void ME_RewrapRepaint(ME_TextEditor *editor);
241 void ME_UpdateRepaint(ME_TextEditor *editor);
242 void ME_DrawParagraph(ME_Context *c, ME_DisplayItem *paragraph);
243 void ME_EnsureVisible(ME_TextEditor *editor, ME_DisplayItem *pRun);
244 void ME_InvalidateSelection(ME_TextEditor *editor);
245 void ME_QueueInvalidateFromCursor(ME_TextEditor *editor, int nCursor);
246 BOOL ME_SetZoom(ME_TextEditor *editor, int numerator, int denominator);
247 int ME_twips2pointsX(ME_Context *c, int x);
248 int ME_twips2pointsY(ME_Context *c, int y);
250 /* scroll functions in paint.c */
252 void ME_ScrollAbs(ME_TextEditor *editor, int absY);
253 void ME_ScrollUp(ME_TextEditor *editor, int cy);
254 void ME_ScrollDown(ME_TextEditor *editor, int cy);
255 void ME_Scroll(ME_TextEditor *editor, int value, int type);
256 void ME_UpdateScrollBar(ME_TextEditor *editor);
257 int ME_GetYScrollPos(ME_TextEditor *editor);
258 BOOL ME_GetYScrollVisible(ME_TextEditor *editor);
260 /* other functions in paint.c */
261 int ME_GetParaBorderWidth(ME_TextEditor *editor, int);
262 int ME_GetParaLineSpace(ME_Context *c, ME_Paragraph*);
265 LRESULT CreateIRichEditOle(ME_TextEditor *editor, LPVOID *);
266 void ME_DrawOLE(ME_Context *c, int x, int y, ME_Run* run, ME_Paragraph *para, BOOL selected);
267 void ME_GetOLEObjectSize(ME_Context *c, ME_Run *run, SIZE *pSize);
268 void ME_CopyReObject(REOBJECT* dst, const REOBJECT* src);
269 void ME_DeleteReObject(REOBJECT* reo);
274 ME_TextEditor *ME_MakeEditor(HWND hWnd);
275 void ME_DestroyEditor(ME_TextEditor *editor);
276 void ME_SendOldNotify(ME_TextEditor *editor, int nCode);
277 void ME_LinkNotify(ME_TextEditor *editor, UINT msg, WPARAM wParam, LPARAM lParam);
278 int ME_GetTextW(ME_TextEditor *editor, WCHAR *buffer, int nStart, int nChars, BOOL bCRLF);
279 ME_DisplayItem *ME_FindItemAtOffset(ME_TextEditor *editor, ME_DIType nItemType, int nOffset, int *nItemOffset);
280 void ME_RTFCharAttrHook(struct _RTF_Info *info);
281 void ME_RTFParAttrHook(struct _RTF_Info *info);
282 void ME_RTFTblAttrHook(struct _RTF_Info *info);
283 void ME_RTFSpecialCharHook(struct _RTF_Info *info);
284 void ME_StreamInFill(ME_InStream *stream);
285 int ME_AutoURLDetect(ME_TextEditor *editor, WCHAR curChar);
287 extern void DoWrap(ME_TextEditor *editor);
288 extern BOOL ME_FindNextURLCandidate(ME_TextEditor *editor, int sel_min, int sel_max,
289 int * candidate_min, int * candidate_max);
290 extern BOOL ME_IsCandidateAnURL(ME_TextEditor *editor, int sel_min, int sel_max);
291 BOOL ME_UpdateLinkAttribute(ME_TextEditor *editor, int sel_min, int sel_max);
292 void ME_UpdateSelectionLinkAttribute(ME_TextEditor *editor);
295 BOOL ME_IsInTable(ME_DisplayItem *pItem);
296 ME_DisplayItem *ME_InsertTableRowStartFromCursor(ME_TextEditor *editor);
297 ME_DisplayItem *ME_InsertTableRowStartAtParagraph(ME_TextEditor *editor,
298 ME_DisplayItem *para);
299 ME_DisplayItem *ME_InsertTableCellFromCursor(ME_TextEditor *editor);
300 ME_DisplayItem *ME_InsertTableRowEndFromCursor(ME_TextEditor *editor);
301 ME_DisplayItem *ME_GetTableRowEnd(ME_DisplayItem *para);
302 ME_DisplayItem *ME_GetTableRowStart(ME_DisplayItem *para);
303 void ME_CheckTablesForCorruption(ME_TextEditor *editor);
304 void ME_ProtectPartialTableDeletion(ME_TextEditor *editor, int nOfs,int *nChars);
305 ME_DisplayItem* ME_AppendTableRow(ME_TextEditor *editor, ME_DisplayItem *table_row);
306 void ME_TabPressedInTable(ME_TextEditor *editor, BOOL bSelectedRow);
307 void ME_MoveCursorFromTableRowStartParagraph(ME_TextEditor *editor);
308 struct RTFTable *ME_MakeTableDef(ME_TextEditor *editor);
309 void ME_InitTableDef(ME_TextEditor *editor, struct RTFTable *tableDef);
312 ME_UndoItem *ME_AddUndoItem(ME_TextEditor *editor, ME_DIType type, const ME_DisplayItem *pdi);
313 void ME_CommitUndo(ME_TextEditor *editor);
314 void ME_ContinueCoalescingTransaction(ME_TextEditor *editor);
315 void ME_CommitCoalescingUndo(ME_TextEditor *editor);
316 BOOL ME_Undo(ME_TextEditor *editor);
317 BOOL ME_Redo(ME_TextEditor *editor);
318 void ME_EmptyUndoStack(ME_TextEditor *editor);
321 LRESULT ME_StreamOutRange(ME_TextEditor *editor, DWORD dwFormat, int nStart, int nTo, EDITSTREAM *stream);
322 LRESULT ME_StreamOut(ME_TextEditor *editor, DWORD dwFormat, EDITSTREAM *stream);
325 HRESULT ME_GetDataObject(ME_TextEditor *editor, const CHARRANGE *lpchrg, LPDATAOBJECT *lplpdataobj);