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"
24 extern HANDLE me_heap;
26 static inline void *richedit_alloc( size_t len )
28 return HeapAlloc( me_heap, 0, len );
31 static inline BOOL richedit_free( void *ptr )
33 return HeapFree( me_heap, 0, ptr );
36 static inline void *richedit_realloc( void *ptr, size_t len )
38 return HeapReAlloc( me_heap, 0, ptr, len );
41 #define ALLOC_OBJ(type) richedit_alloc(sizeof(type))
42 #define ALLOC_N_OBJ(type, count) richedit_alloc((count)*sizeof(type))
43 #define FREE_OBJ(ptr) richedit_free(ptr)
45 #define RUN_IS_HIDDEN(run) ((run)->style->fmt.dwMask & CFM_HIDDEN \
46 && (run)->style->fmt.dwEffects & CFE_HIDDEN)
48 #define InitFormatEtc(fe, cf, med) \
51 (fe).dwAspect=DVASPECT_CONTENT;\
58 ME_Style *ME_MakeStyle(CHARFORMAT2W *style);
59 void ME_AddRefStyle(ME_Style *item);
60 void ME_ReleaseStyle(ME_Style *item);
61 ME_Style *ME_GetInsertStyle(ME_TextEditor *editor, int nCursor);
62 ME_Style *ME_ApplyStyle(ME_Style *sSrc, CHARFORMAT2W *style);
63 HFONT ME_SelectStyleFont(ME_TextEditor *editor, HDC hDC, ME_Style *s);
64 void ME_UnselectStyleFont(ME_TextEditor *editor, HDC hDC, ME_Style *s, HFONT hOldFont);
65 void ME_InitCharFormat2W(CHARFORMAT2W *pFmt);
66 void ME_SaveTempStyle(ME_TextEditor *editor);
67 void ME_ClearTempStyle(ME_TextEditor *editor);
68 void ME_DumpStyleToBuf(CHARFORMAT2W *pFmt, char buf[2048]);
69 void ME_DumpStyle(ME_Style *s);
70 CHARFORMAT2W *ME_ToCF2W(CHARFORMAT2W *to, CHARFORMAT2W *from);
71 void ME_CopyToCF2W(CHARFORMAT2W *to, CHARFORMAT2W *from);
72 CHARFORMAT2W *ME_ToCFAny(CHARFORMAT2W *to, CHARFORMAT2W *from);
73 void ME_CopyToCFAny(CHARFORMAT2W *to, CHARFORMAT2W *from);
74 void ME_CopyCharFormat(CHARFORMAT2W *pDest, CHARFORMAT2W *pSrc); /* only works with 2W structs */
75 void ME_CharFormatFromLogFont(HDC hDC, LOGFONTW *lf, CHARFORMAT2W *fmt); /* ditto */
78 void ME_InsertBefore(ME_DisplayItem *diWhere, ME_DisplayItem *diWhat);
79 void ME_Remove(ME_DisplayItem *diWhere);
80 ME_DisplayItem *ME_FindItemBack(ME_DisplayItem *di, ME_DIType nTypeOrClass);
81 ME_DisplayItem *ME_FindItemFwd(ME_DisplayItem *di, ME_DIType nTypeOrClass);
82 ME_DisplayItem *ME_FindItemBackOrHere(ME_DisplayItem *di, ME_DIType nTypeOrClass);
83 ME_DisplayItem *ME_FindItemFwdOrHere(ME_DisplayItem *di, ME_DIType nTypeOrClass);
84 BOOL ME_DITypesEqual(ME_DIType type, ME_DIType nTypeOrClass);
85 ME_DisplayItem *ME_MakeDI(ME_DIType type);
86 void ME_DestroyDisplayItem(ME_DisplayItem *item);
87 void ME_DestroyTableCellList(ME_DisplayItem *item);
88 void ME_DumpDocument(ME_TextBuffer *buffer);
89 const char *ME_GetDITypeName(ME_DIType type);
92 int ME_GetOptimalBuffer(int nLen);
93 ME_String *ME_MakeString(LPCWSTR szText);
94 ME_String *ME_MakeStringN(LPCWSTR szText, int nMaxChars);
95 ME_String *ME_MakeStringR(WCHAR cRepeat, int nMaxChars);
96 ME_String *ME_MakeStringB(int nMaxChars);
97 ME_String *ME_StrDup(ME_String *s);
98 void ME_DestroyString(ME_String *s);
99 void ME_AppendString(ME_String *s1, ME_String *s2);
100 ME_String *ME_ConcatString(ME_String *s1, ME_String *s2);
101 ME_String *ME_VSplitString(ME_String *orig, int nVPos);
102 int ME_IsWhitespaces(ME_String *s);
103 int ME_IsSplitable(ME_String *s);
104 /* int ME_CalcSkipChars(ME_String *s); */
105 int ME_StrLen(ME_String *s);
106 int ME_StrVLen(ME_String *s);
107 int ME_FindNonWhitespaceV(ME_String *s, int nVChar);
108 int ME_FindWhitespaceV(ME_String *s, int nVChar);
109 int ME_CallWordBreakProc(ME_TextEditor *editor, ME_String *str, INT start, INT code);
110 int ME_GetCharFwd(ME_String *s, int nPos); /* get char starting from start */
111 int ME_GetCharBack(ME_String *s, int nPos); /* get char starting from \0 */
112 int ME_StrRelPos(ME_String *s, int nVChar, int *pRelChars);
113 int ME_StrRelPos2(ME_String *s, int nVChar, int nRelChars);
114 int ME_VPosToPos(ME_String *s, int nVPos);
115 int ME_PosToVPos(ME_String *s, int nPos);
116 void ME_StrDeleteV(ME_String *s, int nVChar, int nChars);
117 /* smart helpers for A<->W conversions, they reserve/free memory and call MultiByte<->WideChar functions */
118 LPWSTR ME_ToUnicode(HWND hWnd, LPVOID psz);
119 void ME_EndToUnicode(HWND hWnd, LPVOID psz);
120 LPSTR ME_ToAnsi(HWND hWnd, LPVOID psz);
121 void ME_EndToAnsi(HWND hWnd, LPVOID psz);
123 static inline int ME_IsWSpace(WCHAR ch)
125 return ch > '\0' && ch <= ' ';
128 static inline int ME_CharCompare(WCHAR a, WCHAR b, int caseSensitive)
130 return caseSensitive ? (a == b) : (toupperW(a) == toupperW(b));
133 /* note: those two really return the first matching offset (starting from EOS)+1
134 * in other words, an offset of the first trailing white/black */
135 int ME_ReverseFindNonWhitespaceV(ME_String *s, int nVChar);
136 int ME_ReverseFindWhitespaceV(ME_String *s, int nVChar);
139 ME_DisplayItem *ME_FindRowStart(ME_Context *c, ME_DisplayItem *run, int nRelPos);
140 ME_DisplayItem *ME_RowStart(ME_DisplayItem *item);
141 /* ME_DisplayItem *ME_RowEnd(ME_DisplayItem *item); */
142 void ME_RenumberParagraphs(ME_DisplayItem *item); /* TODO */
143 ME_DisplayItem *ME_FindRowWithNumber(ME_TextEditor *editor, int nRow);
144 int ME_RowNumberFromCharOfs(ME_TextEditor *editor, int nOfs);
147 ME_DisplayItem *ME_MakeRun(ME_Style *s, ME_String *strData, int nFlags);
148 /* note: ME_InsertRun inserts a copy of the specified run - so you need to destroy the original */
149 ME_DisplayItem *ME_InsertRun(ME_TextEditor *editor, int nCharOfs, ME_DisplayItem *pItem);
150 ME_DisplayItem *ME_InsertRunAtCursor(ME_TextEditor *editor, ME_Cursor *cursor,
151 ME_Style *style, const WCHAR *str, int len, int flags);
152 void ME_CheckCharOffsets(ME_TextEditor *editor);
153 void ME_PropagateCharOffset(ME_DisplayItem *p, int shift);
154 void ME_GetGraphicsSize(ME_TextEditor *editor, ME_Run *run, SIZE *pSize);
155 int ME_CharFromPoint(ME_TextEditor *editor, int cx, ME_Run *run);
156 /* this one accounts for 1/2 char tolerance */
157 int ME_CharFromPointCursor(ME_TextEditor *editor, int cx, ME_Run *run);
158 int ME_PointFromChar(ME_TextEditor *editor, ME_Run *pRun, int nOffset);
159 int ME_GetLastSplittablePlace(ME_Context *c, ME_Run *run);
160 int ME_CanJoinRuns(ME_Run *run1, ME_Run *run2);
161 void ME_JoinRuns(ME_TextEditor *editor, ME_DisplayItem *p);
162 ME_DisplayItem *ME_SplitRun(ME_Context *c, ME_DisplayItem *item, int nChar);
163 ME_DisplayItem *ME_SplitRunSimple(ME_TextEditor *editor, ME_DisplayItem *item, int nChar);
164 int ME_FindSplitPoint(ME_Context *c, POINT *pt, ME_Run *run, int desperate);
165 void ME_UpdateRunFlags(ME_TextEditor *editor, ME_Run *run);
166 ME_DisplayItem *ME_SplitFurther(ME_TextEditor *editor, ME_DisplayItem *run);
167 void ME_CalcRunExtent(ME_Context *c, ME_Paragraph *para, ME_Run *run);
168 SIZE ME_GetRunSize(ME_Context *c, ME_Paragraph *para, ME_Run *run, int nLen);
169 void ME_CursorFromCharOfs(ME_TextEditor *editor, int nCharOfs, ME_Cursor *pCursor);
170 void ME_RunOfsFromCharOfs(ME_TextEditor *editor, int nCharOfs, ME_DisplayItem **ppRun, int *pOfs);
171 int ME_CharOfsFromRunOfs(ME_TextEditor *editor, ME_DisplayItem *pRun, int nOfs);
172 void ME_SkipAndPropagateCharOffset(ME_DisplayItem *p, int shift);
173 void ME_SetCharFormat(ME_TextEditor *editor, int nFrom, int nLen, CHARFORMAT2W *pFmt);
174 void ME_SetSelectionCharFormat(ME_TextEditor *editor, CHARFORMAT2W *pFmt);
175 void ME_GetCharFormat(ME_TextEditor *editor, int nFrom, int nLen, CHARFORMAT2W *pFmt);
176 void ME_GetSelectionCharFormat(ME_TextEditor *editor, CHARFORMAT2W *pFmt);
177 void ME_GetDefaultCharFormat(ME_TextEditor *editor, CHARFORMAT2W *pFmt);
178 void ME_SetDefaultCharFormat(ME_TextEditor *editor, CHARFORMAT2W *mod);
181 int ME_SetSelection(ME_TextEditor *editor, int from, int to);
182 void ME_SelectWord(ME_TextEditor *editor);
183 void ME_HideCaret(ME_TextEditor *ed);
184 void ME_ShowCaret(ME_TextEditor *ed);
185 void ME_MoveCaret(ME_TextEditor *ed);
186 int ME_FindPixelPos(ME_TextEditor *editor, int x, int y, ME_Cursor *result, BOOL *is_eol);
187 int ME_CharFromPos(ME_TextEditor *editor, int x, int y);
188 void ME_LButtonDown(ME_TextEditor *editor, int x, int y);
189 void ME_MouseMove(ME_TextEditor *editor, int x, int y);
190 void ME_DeleteTextAtCursor(ME_TextEditor *editor, int nCursor, int nChars);
191 void ME_InsertTextFromCursor(ME_TextEditor *editor, int nCursor,
192 const WCHAR *str, int len, ME_Style *style);
193 BOOL ME_ArrowKey(ME_TextEditor *ed, int nVKey, BOOL extend, BOOL ctrl);
195 void ME_InitContext(ME_Context *c, ME_TextEditor *editor, HDC hDC);
196 void ME_DestroyContext(ME_Context *c);
197 ME_Style *GetInsertStyle(ME_TextEditor *editor, int nCursor);
198 void ME_MustBeWrapped(ME_Context *c, ME_DisplayItem *para);
199 void ME_GetCursorCoordinates(ME_TextEditor *editor, ME_Cursor *pCursor,
200 int *x, int *y, int *height);
201 int ME_GetCursorOfs(ME_TextEditor *editor, int nCursor);
202 void ME_GetSelection(ME_TextEditor *editor, int *from, int *to);
203 int ME_CountParagraphsBetween(ME_TextEditor *editor, int from, int to);
204 BOOL ME_IsSelection(ME_TextEditor *editor);
205 void ME_DeleteSelection(ME_TextEditor *editor);
206 void ME_SendSelChange(ME_TextEditor *editor);
207 void ME_InsertGraphicsFromCursor(ME_TextEditor *editor, int nCursor);
208 void ME_InsertTableCellFromCursor(ME_TextEditor *editor, int nCursor);
209 void ME_InternalDeleteText(ME_TextEditor *editor, int nOfs, int nChars);
210 int ME_GetTextLength(ME_TextEditor *editor);
211 int ME_GetTextLengthEx(ME_TextEditor *editor, GETTEXTLENGTHEX *how);
212 ME_Style *ME_GetSelectionInsertStyle(ME_TextEditor *editor);
213 BOOL ME_UpdateSelection(ME_TextEditor *editor, ME_Cursor *pTempCursor);
216 void ME_PrepareParagraphForWrapping(ME_Context *c, ME_DisplayItem *tp);
217 ME_DisplayItem *ME_MakeRow(int height, int baseline, int width);
218 void ME_InsertRowStart(ME_WrapContext *wc, ME_DisplayItem *pEnd);
219 void ME_WrapTextParagraph(ME_Context *c, ME_DisplayItem *tp);
220 BOOL ME_WrapMarkedParagraphs(ME_TextEditor *editor);
221 void ME_InvalidateMarkedParagraphs(ME_TextEditor *editor);
222 void ME_SendRequestResize(ME_TextEditor *editor, BOOL force);
225 ME_DisplayItem *ME_GetParagraph(ME_DisplayItem *run);
226 void ME_GetSelectionParas(ME_TextEditor *editor, ME_DisplayItem **para, ME_DisplayItem **para_end);
227 void ME_MakeFirstParagraph(HDC hDC, ME_TextBuffer *editor);
228 ME_DisplayItem *ME_SplitParagraph(ME_TextEditor *editor, ME_DisplayItem *rp, ME_Style *style);
229 ME_DisplayItem *ME_JoinParagraphs(ME_TextEditor *editor, ME_DisplayItem *tp);
230 void ME_DumpParaStyle(ME_Paragraph *s);
231 void ME_DumpParaStyleToBuf(PARAFORMAT2 *pFmt, char buf[2048]);
232 void ME_SetParaFormat(ME_TextEditor *editor, ME_DisplayItem *para, PARAFORMAT2 *pFmt);
233 void ME_SetSelectionParaFormat(ME_TextEditor *editor, PARAFORMAT2 *pFmt);
234 void ME_GetParaFormat(ME_TextEditor *editor, ME_DisplayItem *para, PARAFORMAT2 *pFmt);
235 void ME_GetSelectionParaFormat(ME_TextEditor *editor, PARAFORMAT2 *pFmt);
236 /* marks from first up to (but not including) last */
237 void ME_MarkForWrapping(ME_TextEditor *editor, ME_DisplayItem *first, ME_DisplayItem *last);
238 void ME_MarkForPainting(ME_TextEditor *editor, ME_DisplayItem *first, ME_DisplayItem *last);
239 void ME_MarkAllForWrapping(ME_TextEditor *editor);
242 void ME_PaintContent(ME_TextEditor *editor, HDC hDC, BOOL bOnlyNew, RECT *rcUpdate);
243 void ME_Repaint(ME_TextEditor *editor);
244 void ME_RewrapRepaint(ME_TextEditor *editor);
245 void ME_UpdateRepaint(ME_TextEditor *editor);
246 void ME_DrawParagraph(ME_Context *c, ME_DisplayItem *paragraph);
247 void ME_EnsureVisible(ME_TextEditor *editor, ME_DisplayItem *pRun);
248 COLORREF ME_GetBackColor(ME_TextEditor *editor);
249 void ME_InvalidateSelection(ME_TextEditor *editor);
250 void ME_QueueInvalidateFromCursor(ME_TextEditor *editor, int nCursor);
251 BOOL ME_SetZoom(ME_TextEditor *editor, int numerator, int denominator);
253 /* scroll functions in paint.c */
255 void ME_ScrollAbs(ME_TextEditor *editor, int absY);
256 void ME_ScrollUp(ME_TextEditor *editor, int cy);
257 void ME_ScrollDown(ME_TextEditor *editor, int cy);
258 void ME_Scroll(ME_TextEditor *editor, int value, int type);
259 void ME_UpdateScrollBar(ME_TextEditor *editor);
260 int ME_GetYScrollPos(ME_TextEditor *editor);
261 BOOL ME_GetYScrollVisible(ME_TextEditor *editor);
264 extern LRESULT CreateIRichEditOle(ME_TextEditor *editor, LPVOID *);
269 void ME_RegisterEditorClass(HINSTANCE hInstance);
270 ME_TextEditor *ME_MakeEditor(HWND hWnd);
271 void ME_DestroyEditor(ME_TextEditor *editor);
272 void ME_SendOldNotify(ME_TextEditor *editor, int nCode);
273 void ME_LinkNotify(ME_TextEditor *editor, UINT msg, WPARAM wParam, LPARAM lParam);
274 ME_UndoItem *ME_AddUndoItem(ME_TextEditor *editor, ME_DIType type, ME_DisplayItem *di);
275 void ME_CommitUndo(ME_TextEditor *editor);
276 void ME_Undo(ME_TextEditor *editor);
277 void ME_Redo(ME_TextEditor *editor);
278 void ME_EmptyUndoStack(ME_TextEditor *editor);
279 int ME_GetTextW(ME_TextEditor *editor, WCHAR *buffer, int nStart, int nChars, BOOL bCRLF);
280 ME_DisplayItem *ME_FindItemAtOffset(ME_TextEditor *editor, ME_DIType nItemType, int nOffset, int *nItemOffset);
281 void ME_StreamInFill(ME_InStream *stream);
282 int ME_AutoURLDetect(ME_TextEditor *editor, WCHAR curChar);
284 extern void DoWrap(ME_TextEditor *editor);
287 LRESULT ME_StreamOutRange(ME_TextEditor *editor, DWORD dwFormat, int nStart, int nTo, EDITSTREAM *stream);
288 LRESULT ME_StreamOut(ME_TextEditor *editor, DWORD dwFormat, EDITSTREAM *stream);
291 HRESULT ME_GetDataObject(ME_TextEditor *editor, CHARRANGE *lpchrg, LPDATAOBJECT *lplpdataobj);