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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 #define ALLOC_OBJ(type) HeapAlloc(me_heap, 0, sizeof(type))
24 #define ALLOC_N_OBJ(type, count) HeapAlloc(me_heap, 0, (count)*sizeof(type))
25 #define FREE_OBJ(ptr) HeapFree(me_heap, 0, ptr)
28 ME_Style *ME_MakeStyle(CHARFORMAT2W *style);
29 void ME_AddRefStyle(ME_Style *item);
30 void ME_ReleaseStyle(ME_Style *item);
31 ME_Style *ME_GetInsertStyle(ME_TextEditor *editor, int nCursor);
32 ME_Style *ME_ApplyStyle(ME_Style *sSrc, CHARFORMAT2W *style);
33 HFONT ME_SelectStyleFont(ME_TextEditor *editor, HDC hDC, ME_Style *s);
34 void ME_UnselectStyleFont(ME_TextEditor *editor, HDC hDC, ME_Style *s, HFONT hOldFont);
35 void ME_InitCharFormat2W(CHARFORMAT2W *pFmt);
36 void ME_SaveTempStyle(ME_TextEditor *editor);
37 void ME_ClearTempStyle(ME_TextEditor *editor);
38 void ME_DumpStyleToBuf(CHARFORMAT2W *pFmt, char buf[2048]);
39 void ME_DumpStyle(ME_Style *s);
40 CHARFORMAT2W *ME_ToCF2W(CHARFORMAT2W *to, CHARFORMAT2W *from);
41 void ME_CopyToCF2W(CHARFORMAT2W *to, CHARFORMAT2W *from);
42 CHARFORMAT2W *ME_ToCFAny(CHARFORMAT2W *to, CHARFORMAT2W *from);
43 void ME_CopyToCFAny(CHARFORMAT2W *to, CHARFORMAT2W *from);
44 void ME_CopyCharFormat(CHARFORMAT2W *pDest, CHARFORMAT2W *pSrc); /* only works with 2W structs */
47 void ME_InsertBefore(ME_DisplayItem *diWhere, ME_DisplayItem *diWhat);
48 void ME_Remove(ME_DisplayItem *diWhere);
49 ME_DisplayItem *ME_FindItemBack(ME_DisplayItem *di, ME_DIType nTypeOrClass);
50 ME_DisplayItem *ME_FindItemFwd(ME_DisplayItem *di, ME_DIType nTypeOrClass);
51 ME_DisplayItem *ME_FindItemBackOrHere(ME_DisplayItem *di, ME_DIType nTypeOrClass);
52 ME_DisplayItem *ME_FindItemFwdOrHere(ME_DisplayItem *di, ME_DIType nTypeOrClass);
53 BOOL ME_DITypesEqual(ME_DIType type, ME_DIType nTypeOrClass);
54 ME_DisplayItem *ME_MakeDI(ME_DIType type);
55 void ME_DestroyDisplayItem(ME_DisplayItem *item);
56 void ME_DumpDocument(ME_TextBuffer *buffer);
57 const char *ME_GetDITypeName(ME_DIType type);
60 int ME_GetOptimalBuffer(int nLen);
61 ME_String *ME_MakeString(LPCWSTR szText);
62 ME_String *ME_MakeStringN(LPCWSTR szText, int nMaxChars);
63 ME_String *ME_StrDup(ME_String *s);
64 void ME_DestroyString(ME_String *s);
65 void ME_AppendString(ME_String *s1, ME_String *s2);
66 ME_String *ME_ConcatString(ME_String *s1, ME_String *s2);
67 ME_String *ME_VSplitString(ME_String *orig, int nVPos);
68 int ME_IsWhitespaces(ME_String *s);
69 int ME_IsSplitable(ME_String *s);
70 /* int ME_CalcSkipChars(ME_String *s); */
71 int ME_StrLen(ME_String *s);
72 int ME_StrVLen(ME_String *s);
73 int ME_FindNonWhitespaceV(ME_String *s, int nVChar);
74 int ME_FindWhitespaceV(ME_String *s, int nVChar);
75 int ME_GetCharFwd(ME_String *s, int nPos); /* get char starting from start */
76 int ME_GetCharBack(ME_String *s, int nPos); /* get char starting from \0 */
77 int ME_StrRelPos(ME_String *s, int nVChar, int *pRelChars);
78 int ME_StrRelPos2(ME_String *s, int nVChar, int nRelChars);
79 int ME_VPosToPos(ME_String *s, int nVPos);
80 int ME_PosToVPos(ME_String *s, int nPos);
81 void ME_StrDeleteV(ME_String *s, int nVChar, int nChars);
82 /* smart helpers for A<->W conversions, they reserve/free memory and call MultiByte<->WideChar functions */
83 LPWSTR ME_ToUnicode(HWND hWnd, LPVOID psz);
84 void ME_EndToUnicode(HWND hWnd, LPVOID psz);
85 LPSTR ME_ToAnsi(HWND hWnd, LPVOID psz);
86 void ME_EndToAnsi(HWND hWnd, LPVOID psz);
88 static inline int ME_IsWSpace(WCHAR ch)
90 return ch > '\0' && ch <= ' ';
93 /* note: those two really return the first matching offset (starting from EOS)+1
94 * in other words, an offset of the first trailing white/black */
95 int ME_ReverseFindNonWhitespaceV(ME_String *s, int nVChar);
96 int ME_ReverseFindWhitespaceV(ME_String *s, int nVChar);
99 ME_DisplayItem *ME_FindRowStart(ME_Context *c, ME_DisplayItem *run, int nRelPos);
100 ME_DisplayItem *ME_RowStart(ME_DisplayItem *item);
101 ME_DisplayItem *ME_RowEnd(ME_DisplayItem *item);
102 void ME_RenumberParagraphs(ME_DisplayItem *item); /* TODO */
105 ME_DisplayItem *ME_MakeRun(ME_Style *s, ME_String *strData, int nFlags);
106 /* note: ME_InsertRun inserts a copy of the specified run - so you need to destroy the original */
107 ME_DisplayItem *ME_InsertRun(ME_TextEditor *editor, int nCharOfs, ME_DisplayItem *pItem);
108 void ME_CheckCharOffsets(ME_TextEditor *editor);
109 void ME_PropagateCharOffset(ME_DisplayItem *p, int shift);
110 void ME_GetGraphicsSize(ME_TextEditor *editor, ME_Run *run, SIZE *pSize);
111 int ME_CharFromPoint(ME_TextEditor *editor, int cx, ME_Paragraph *para, ME_Run *run);
112 /* this one accounts for 1/2 char tolerance */
113 int ME_CharFromPointCursor(ME_TextEditor *editor, int cx, ME_Run *run);
114 int ME_PointFromChar(ME_TextEditor *editor, ME_Run *pRun, int nOffset);
115 int ME_GetLastSplittablePlace(ME_Context *c, ME_Run *run);
116 int ME_CanJoinRuns(ME_Run *run1, ME_Run *run2);
117 void ME_JoinRuns(ME_TextEditor *editor, ME_DisplayItem *p);
118 ME_DisplayItem *ME_SplitRun(ME_Context *c, ME_DisplayItem *item, int nChar);
119 ME_DisplayItem *ME_SplitRunSimple(ME_TextEditor *editor, ME_DisplayItem *item, int nChar);
120 int ME_FindSplitPoint(ME_Context *c, POINT *pt, ME_Run *run, int desperate);
121 void ME_UpdateRunFlags(ME_TextEditor *editor, ME_Run *run);
122 ME_DisplayItem *ME_SplitFurther(ME_TextEditor *editor, ME_DisplayItem *run);
123 void ME_CalcRunExtent(ME_Context *c, ME_Paragraph *para, ME_Run *run);
124 SIZE ME_GetRunSize(ME_Context *c, ME_Paragraph *para, ME_Run *run, int nLen);
125 void ME_CursorFromCharOfs(ME_TextEditor *editor, int nCharOfs, ME_Cursor *pCursor);
126 void ME_RunOfsFromCharOfs(ME_TextEditor *editor, int nCharOfs, ME_DisplayItem **ppRun, int *pOfs);
127 int ME_CharOfsFromRunOfs(ME_TextEditor *editor, ME_DisplayItem *pRun, int nOfs);
128 void ME_SkipAndPropagateCharOffset(ME_DisplayItem *p, int shift);
129 void ME_SetCharFormat(ME_TextEditor *editor, int nFrom, int nLen, CHARFORMAT2W *pFmt);
130 void ME_SetSelectionCharFormat(ME_TextEditor *editor, CHARFORMAT2W *pFmt);
131 void ME_GetCharFormat(ME_TextEditor *editor, int nFrom, int nLen, CHARFORMAT2W *pFmt);
132 void ME_GetSelectionCharFormat(ME_TextEditor *editor, CHARFORMAT2W *pFmt);
133 void ME_GetDefaultCharFormat(ME_TextEditor *editor, CHARFORMAT2W *pFmt);
134 void ME_SetDefaultCharFormat(ME_TextEditor *editor, CHARFORMAT2W *mod);
137 void ME_SetSelection(ME_TextEditor *editor, int from, int to);
138 void ME_HideCaret(ME_TextEditor *ed);
139 void ME_ShowCaret(ME_TextEditor *ed);
140 void ME_MoveCaret(ME_TextEditor *ed);
141 int ME_FindPixelPos(ME_TextEditor *editor, int x, int y, ME_Cursor *result, BOOL *is_eol);
142 void ME_LButtonDown(ME_TextEditor *editor, int x, int y);
143 void ME_MouseMove(ME_TextEditor *editor, int x, int y);
144 void ME_DeleteTextAtCursor(ME_TextEditor *editor, int nCursor, int nChars);
145 void ME_InsertTextFromCursor(ME_TextEditor *editor, int nCursor,
146 const WCHAR *str, int len, ME_Style *style);
147 void ME_SetCharFormat(ME_TextEditor *editor, int nOfs, int nChars, CHARFORMAT2W *pFmt);
148 BOOL ME_ArrowKey(ME_TextEditor *ed, int nVKey, int nCtrl);
150 void ME_InitContext(ME_Context *c, ME_TextEditor *editor, HDC hDC);
151 void ME_DestroyContext(ME_Context *c);
152 ME_Style *GetInsertStyle(ME_TextEditor *editor, int nCursor);
153 void ME_MustBeWrapped(ME_Context *c, ME_DisplayItem *para);
154 int ME_GetCursorOfs(ME_TextEditor *editor, int nCursor);
155 void ME_GetSelection(ME_TextEditor *editor, int *from, int *to);
156 int ME_CountParagraphsBetween(ME_TextEditor *editor, int from, int to);
157 BOOL ME_IsSelection(ME_TextEditor *editor);
158 void ME_DeleteSelection(ME_TextEditor *editor);
159 void ME_SendSelChange(ME_TextEditor *editor);
160 void ME_InsertGraphicsFromCursor(ME_TextEditor *editor, int nCursor);
161 void ME_InternalDeleteText(ME_TextEditor *editor, int nOfs, int nChars);
162 int ME_GetTextLength(ME_TextEditor *editor);
163 ME_Style *ME_GetSelectionInsertStyle(ME_TextEditor *editor);
164 BOOL ME_UpdateSelection(ME_TextEditor *editor, ME_Cursor *pTempCursor);
167 void ME_PrepareParagraphForWrapping(ME_Context *c, ME_DisplayItem *tp);
168 ME_DisplayItem *ME_MakeRow(int height, int baseline, int width);
169 void ME_InsertRowStart(ME_WrapContext *wc, ME_DisplayItem *pEnd);
170 void ME_WrapTextParagraph(ME_Context *c, ME_DisplayItem *tp);
171 BOOL ME_WrapMarkedParagraphs(ME_TextEditor *editor);
174 ME_DisplayItem *ME_GetParagraph(ME_DisplayItem *run);
175 void ME_MakeFirstParagraph(HDC hDC, ME_TextBuffer *editor);
176 ME_DisplayItem *ME_SplitParagraph(ME_TextEditor *editor, ME_DisplayItem *rp, ME_Style *style);
177 ME_DisplayItem *ME_JoinParagraphs(ME_TextEditor *editor, ME_DisplayItem *tp);
178 void ME_DumpParaStyle(ME_Paragraph *s);
179 void ME_DumpParaStyleToBuf(PARAFORMAT2 *pFmt, char buf[2048]);
180 void ME_SetParaFormat(ME_TextEditor *editor, ME_DisplayItem *para, PARAFORMAT2 *pFmt);
181 void ME_SetSelectionParaFormat(ME_TextEditor *editor, PARAFORMAT2 *pFmt);
182 void ME_GetParaFormat(ME_TextEditor *editor, ME_DisplayItem *para, PARAFORMAT2 *pFmt);
183 void ME_GetSelectionParaFormat(ME_TextEditor *editor, PARAFORMAT2 *pFmt);
184 /* marks from first up to (but not including) last */
185 void ME_MarkForWrapping(ME_TextEditor *editor, ME_DisplayItem *first, ME_DisplayItem *last);
186 void ME_MarkAllForWrapping(ME_TextEditor *editor);
189 void ME_PaintContent(ME_TextEditor *editor, HDC hDC, BOOL bOnlyNew, RECT *rcUpdate);
190 void ME_Repaint(ME_TextEditor *editor);
191 void ME_UpdateRepaint(ME_TextEditor *editor);
192 void ME_DrawParagraph(ME_Context *c, ME_DisplayItem *paragraph);
193 void ME_UpdateScrollBar(ME_TextEditor *editor);
194 int ME_GetYScrollPos(ME_TextEditor *editor);
195 void ME_EnsureVisible(ME_TextEditor *editor, ME_DisplayItem *pRun);
196 COLORREF ME_GetBackColor(ME_TextEditor *editor);
197 void ME_Scroll(ME_TextEditor *editor, int cx, int cy);
200 extern LRESULT CreateIRichEditOle(LPVOID *);
205 void ME_RegisterEditorClass();
206 ME_TextEditor *ME_MakeEditor(HWND hWnd);
207 void ME_DestroyEditor(ME_TextEditor *editor);
208 void ME_SendOldNotify(ME_TextEditor *editor, int nCode);
209 ME_UndoItem *ME_AddUndoItem(ME_TextEditor *editor, ME_DIType type, ME_DisplayItem *di);
210 void ME_CommitUndo(ME_TextEditor *editor);
211 void ME_Undo(ME_TextEditor *editor);
212 void ME_Redo(ME_TextEditor *editor);
213 void ME_EmptyUndoStack(ME_TextEditor *editor);
214 int ME_GetTextW(ME_TextEditor *editor, WCHAR *buffer, int nStart, int nChars, BOOL bCRLF);
215 ME_DisplayItem *ME_FindItemAtOffset(ME_TextEditor *editor, ME_DIType nItemType, int nOffset, int *nItemOffset);
216 void ME_StreamInFill(ME_InStream *stream);
219 extern HANDLE me_heap;
220 extern void DoWrap(ME_TextEditor *editor);
223 LRESULT ME_StreamOut(ME_TextEditor *editor, DWORD dwFormat, EDITSTREAM *stream);