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 int ME_GetTextLengthEx(ME_TextEditor
*editor
, GETTEXTLENGTHEX
*how
);
164 ME_Style
*ME_GetSelectionInsertStyle(ME_TextEditor
*editor
);
165 BOOL
ME_UpdateSelection(ME_TextEditor
*editor
, ME_Cursor
*pTempCursor
);
168 void ME_PrepareParagraphForWrapping(ME_Context
*c
, ME_DisplayItem
*tp
);
169 ME_DisplayItem
*ME_MakeRow(int height
, int baseline
, int width
);
170 void ME_InsertRowStart(ME_WrapContext
*wc
, ME_DisplayItem
*pEnd
);
171 void ME_WrapTextParagraph(ME_Context
*c
, ME_DisplayItem
*tp
);
172 BOOL
ME_WrapMarkedParagraphs(ME_TextEditor
*editor
);
175 ME_DisplayItem
*ME_GetParagraph(ME_DisplayItem
*run
);
176 void ME_MakeFirstParagraph(HDC hDC
, ME_TextBuffer
*editor
);
177 ME_DisplayItem
*ME_SplitParagraph(ME_TextEditor
*editor
, ME_DisplayItem
*rp
, ME_Style
*style
);
178 ME_DisplayItem
*ME_JoinParagraphs(ME_TextEditor
*editor
, ME_DisplayItem
*tp
);
179 void ME_DumpParaStyle(ME_Paragraph
*s
);
180 void ME_DumpParaStyleToBuf(PARAFORMAT2
*pFmt
, char buf
[2048]);
181 void ME_SetParaFormat(ME_TextEditor
*editor
, ME_DisplayItem
*para
, PARAFORMAT2
*pFmt
);
182 void ME_SetSelectionParaFormat(ME_TextEditor
*editor
, PARAFORMAT2
*pFmt
);
183 void ME_GetParaFormat(ME_TextEditor
*editor
, ME_DisplayItem
*para
, PARAFORMAT2
*pFmt
);
184 void ME_GetSelectionParaFormat(ME_TextEditor
*editor
, PARAFORMAT2
*pFmt
);
185 /* marks from first up to (but not including) last */
186 void ME_MarkForWrapping(ME_TextEditor
*editor
, ME_DisplayItem
*first
, ME_DisplayItem
*last
);
187 void ME_MarkAllForWrapping(ME_TextEditor
*editor
);
190 void ME_PaintContent(ME_TextEditor
*editor
, HDC hDC
, BOOL bOnlyNew
, RECT
*rcUpdate
);
191 void ME_Repaint(ME_TextEditor
*editor
);
192 void ME_UpdateRepaint(ME_TextEditor
*editor
);
193 void ME_DrawParagraph(ME_Context
*c
, ME_DisplayItem
*paragraph
);
194 void ME_UpdateScrollBar(ME_TextEditor
*editor
);
195 int ME_GetYScrollPos(ME_TextEditor
*editor
);
196 void ME_EnsureVisible(ME_TextEditor
*editor
, ME_DisplayItem
*pRun
);
197 COLORREF
ME_GetBackColor(ME_TextEditor
*editor
);
198 void ME_Scroll(ME_TextEditor
*editor
, int cx
, int cy
);
201 extern LRESULT
CreateIRichEditOle(LPVOID
*);
206 void ME_RegisterEditorClass(HINSTANCE hInstance
);
207 ME_TextEditor
*ME_MakeEditor(HWND hWnd
);
208 void ME_DestroyEditor(ME_TextEditor
*editor
);
209 void ME_SendOldNotify(ME_TextEditor
*editor
, int nCode
);
210 ME_UndoItem
*ME_AddUndoItem(ME_TextEditor
*editor
, ME_DIType type
, ME_DisplayItem
*di
);
211 void ME_CommitUndo(ME_TextEditor
*editor
);
212 void ME_Undo(ME_TextEditor
*editor
);
213 void ME_Redo(ME_TextEditor
*editor
);
214 void ME_EmptyUndoStack(ME_TextEditor
*editor
);
215 int ME_GetTextW(ME_TextEditor
*editor
, WCHAR
*buffer
, int nStart
, int nChars
, BOOL bCRLF
);
216 ME_DisplayItem
*ME_FindItemAtOffset(ME_TextEditor
*editor
, ME_DIType nItemType
, int nOffset
, int *nItemOffset
);
217 void ME_StreamInFill(ME_InStream
*stream
);
220 extern HANDLE me_heap
;
221 extern void DoWrap(ME_TextEditor
*editor
);
224 LRESULT
ME_StreamOut(ME_TextEditor
*editor
, DWORD dwFormat
, EDITSTREAM
*stream
);