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