diff options
Diffstat (limited to 'xfa/src/fee/src/fee/fde_txtedtengine.h')
| -rw-r--r-- | xfa/src/fee/src/fee/fde_txtedtengine.h | 341 |
1 files changed, 341 insertions, 0 deletions
diff --git a/xfa/src/fee/src/fee/fde_txtedtengine.h b/xfa/src/fee/src/fee/fde_txtedtengine.h new file mode 100644 index 0000000000..f9f7a6dc8e --- /dev/null +++ b/xfa/src/fee/src/fee/fde_txtedtengine.h @@ -0,0 +1,341 @@ +// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef _FDE_TXTEDTENGINE_H
+#define _FDE_TXTEDTENGINE_H
+class CFDE_TxtEdtBuf;
+class CFDE_TxtEdtPage;
+class IFX_TxtBreak;
+class CFDE_TxtEdtParag;
+class CFDE_TxtEdtKMPMatch;
+class IFDE_TxtEdtFormator;
+class CFDE_TxtEdtField;
+class CFDE_TxtEdtBlock;
+class IFX_CharIter;
+class CFDE_TxtEdtEngine;
+class CFDE_TxtEdtDoRecord_Insert;
+class CFDE_TxtEdtDoRecord_DeleteRange;
+#ifdef FDE_USEFORMATBLOCK
+class CFDE_TxtEdtDoRecord_FormatInsert;
+class CFDE_TxtEdtDoRecord_FormatDelete;
+class CFDE_TxtEdtDoRecord_FormatReplace;
+class CFDE_TxtEdtDoRecord_FieldInsert;
+class CFDE_TxtEdtDoRecord_FieldDelete;
+class CFDE_TxtEdtDoRecord_FieldReplace;
+#endif
+class IFDE_TxtEdtDoRecord
+{
+public:
+ static IFDE_TxtEdtDoRecord * Create(FX_BSTR bsDoRecord);
+ virtual void Release() = 0;
+ virtual FX_BOOL Redo() = 0;
+ virtual FX_BOOL Undo() = 0;
+ virtual void Serialize(CFX_ByteString &bsDoRecord) const = 0;
+};
+class CFDE_TxtEdtEngine : public IFDE_TxtEdtEngine, public CFX_Object
+{
+ friend class CFDE_TxtEdtDoRecord_Insert;
+ friend class CFDE_TxtEdtDoRecord_DeleteRange;
+ friend class CFDE_TxtEdtPage;
+#ifdef FDE_USEFORMATBLOCK
+ friend class CFDE_TxtEdtDoRecord_FormatInsert;
+ friend class CFDE_TxtEdtDoRecord_FormatDelete;
+ friend class CFDE_TxtEdtDoRecord_FormatReplace;
+ friend class CFDE_TxtEdtBlock;
+#endif
+ struct _FDE_TXTEDTSELRANGE : public CFX_Object {
+ FX_INT32 nStart;
+ FX_INT32 nCount;
+ };
+ typedef _FDE_TXTEDTSELRANGE FDE_TXTEDTSELRANGE;
+ typedef _FDE_TXTEDTSELRANGE * FDE_LPTXTEDTSELRANGE;
+ struct _FDE_TXTEDTPARAGPOS : public CFX_Object {
+ FX_INT32 nParagIndex;
+ FX_INT32 nCharIndex;
+ };
+ typedef _FDE_TXTEDTPARAGPOS FDE_TXTEDTPARAGPOS;
+ typedef _FDE_TXTEDTPARAGPOS * FDE_LPTXTEDTPARAGPOS;
+public:
+ CFDE_TxtEdtEngine();
+ virtual void Release();
+
+ virtual void SetEditParams(const FDE_TXTEDTPARAMS ¶ms);
+ virtual const FDE_TXTEDTPARAMS* GetEditParams() const;
+
+ virtual FX_INT32 CountPages() const;
+ virtual IFDE_TxtEdtPage* GetPage(FX_INT32 nIndex);
+
+ virtual FX_BOOL SetBufChunkSize(FX_INT32 nChunkSize);
+ virtual void SetTextByStream(IFX_Stream *pStream);
+ virtual void SetText(const CFX_WideString &wsText);
+ virtual FX_INT32 GetTextLength() const;
+ virtual void GetText(CFX_WideString &wsText, FX_INT32 nStart, FX_INT32 nCount = -1);
+ virtual void ClearText();
+
+ virtual FX_INT32 GetCaretRect(CFX_RectF &rtCaret) const;
+ virtual FX_INT32 GetCaretPos() const;
+ virtual FX_INT32 SetCaretPos(FX_INT32 nIndex, FX_BOOL bBefore);
+ virtual FX_INT32 MoveCaretPos(FDE_TXTEDTMOVECARET eMoveCaret, FX_BOOL bShift = FALSE, FX_BOOL bCtrl = FALSE);
+ virtual void Lock();
+ virtual void Unlock();
+ virtual FX_BOOL IsLocked() const;
+
+ virtual FX_INT32 Insert(FX_INT32 nStart, FX_LPCWSTR lpText, FX_INT32 nLength);
+ virtual FX_INT32 Delete(FX_INT32 nStart, FX_BOOL bBackspace = FALSE);
+ virtual FX_INT32 DeleteRange(FX_INT32 nStart, FX_INT32 nCount = -1);
+ virtual FX_INT32 Replace(FX_INT32 nStart, FX_INT32 nLength, const CFX_WideString &wsReplace);
+
+ virtual void SetLimit(FX_INT32 nLimit);
+ virtual void SetAliasChar(FX_WCHAR wcAlias);
+ virtual void SetFormatBlock(FX_INT32 nIndex, const CFX_WideString &wsBlockFormat);
+ virtual FX_INT32 CountEditBlocks() const;
+ virtual void GetEditBlockText(FX_INT32 nIndex, CFX_WideString &wsBlockText) const;
+ virtual FX_INT32 CountEditFields(FX_INT32 nBlockIndex) const;
+ virtual void GetEditFieldText(FX_INT32 nBlockIndex, FX_INT32 nFieldIndex, CFX_WideString &wsFieldText) const;
+ virtual void StartEdit();
+ virtual void EndEdit();
+
+ void RemoveSelRange(FX_INT32 nStart, FX_INT32 nCount = -1);
+
+ virtual void AddSelRange(FX_INT32 nStart, FX_INT32 nCount = -1);
+ virtual FX_INT32 CountSelRanges();
+ virtual FX_INT32 GetSelRange(FX_INT32 nIndex, FX_INT32 &nStart);
+ virtual void ClearSelection();
+
+ virtual FX_BOOL Redo(FX_BSTR bsRedo);
+ virtual FX_BOOL Undo(FX_BSTR bsUndo);
+
+ virtual FX_INT32 StartLayout();
+ virtual FX_INT32 DoLayout(IFX_Pause *pPause);
+ virtual void EndLayout();
+
+ virtual FX_BOOL Optimize(IFX_Pause * pPause = NULL);
+ virtual FX_INT32 CountParags() const;
+ virtual IFDE_TxtEdtParag* GetParag(FX_INT32 nParagIndex) const;
+ virtual IFX_CharIter* CreateCharIter();
+ IFDE_TxtEdtBuf* GetTextBuf() const;
+ FX_INT32 GetTextBufLength() const;
+ IFX_TxtBreak* GetTextBreak() const;
+ FX_INT32 GetLineCount() const;
+ FX_INT32 GetPageLineCount() const;
+
+ FX_INT32 Line2Parag(FX_INT32 nStartParag, FX_INT32 nStartLineofParag,
+ FX_INT32 nLineIndex, FX_INT32 &nStartLine) const;
+ FX_WCHAR GetAliasChar() const
+ {
+ return m_wcAliasChar;
+ }
+
+protected:
+ virtual ~CFDE_TxtEdtEngine();
+private:
+ void Inner_Insert(FX_INT32 nStart, FX_LPCWSTR lpText, FX_INT32 nLength);
+#ifdef FDE_USEFORMATBLOCK
+ void RawInsert(FX_INT32 nStart, FX_LPCWSTR lpText, FX_INT32 nLength);
+#endif
+ void GetPreDeleteText(CFX_WideString &wsText, FX_INT32 nIndex, FX_INT32 nLength);
+ void GetPreInsertText(CFX_WideString &wsText, FX_INT32 nIndex, FX_LPCWSTR lpText, FX_INT32 nLength);
+ void GetPreReplaceText(CFX_WideString &wsText, FX_INT32 nIndex, FX_INT32 nOriginLength, FX_LPCWSTR lpText, FX_INT32 nLength);
+
+ void Inner_DeleteRange(FX_INT32 nStart, FX_INT32 nCount = -1);
+ void DeleteRange_DoRecord(FX_INT32 nStart, FX_INT32 nCount, FX_BOOL bSel = FALSE);
+ void ResetEngine();
+ void RebuildParagraphs();
+ void RemoveAllParags();
+ void RemoveAllPages();
+ void UpdateParags();
+ void UpdatePages();
+ void UpdateTxtBreak();
+
+ FX_BOOL ReplaceParagEnd(FX_LPWSTR &lpText, FX_INT32 &nLength, FX_BOOL bPreIsCR = FALSE);
+ void RecoverParagEnd(CFX_WideString &wsText);
+ FX_INT32 MovePage2Char(FX_INT32 nIndex);
+ void TextPos2ParagPos(FX_INT32 nIndex, FDE_TXTEDTPARAGPOS &ParagPos) const;
+ FX_INT32 MoveForward(FX_BOOL &bBefore);
+ FX_INT32 MoveBackward(FX_BOOL &bBefore);
+ FX_BOOL MoveUp(CFX_PointF &ptCaret);
+ FX_BOOL MoveDown(CFX_PointF &ptCaret);
+ FX_BOOL MoveLineStart();
+ FX_BOOL MoveLineEnd();
+ FX_BOOL MoveParagStart();
+ FX_BOOL MoveParagEnd();
+ FX_BOOL MoveHome();
+ FX_BOOL MoveEnd();
+ FX_BOOL IsFitArea(CFX_WideString &wsText);
+ void UpdateCaretRect(FX_INT32 nIndex, FX_BOOL bBefore = TRUE);
+ void GetCaretRect(CFX_RectF &rtCaret, FX_INT32 nPageIndex, FX_INT32 nCaret, FX_BOOL bBefore = TRUE);
+ void UpdateCaretIndex(const CFX_PointF & ptCaret);
+
+ FX_BOOL IsSelect();
+ void DeleteSelect();
+ IFDE_TxtEdtBuf* m_pTxtBuf;
+ IFX_TxtBreak* m_pTextBreak;
+ FDE_TXTEDTPARAMS m_Param;
+ CFX_ArrayTemplate<IFDE_TxtEdtPage*> m_PagePtrArray;
+ CFX_ArrayTemplate<CFDE_TxtEdtParag*> m_ParagPtrArray;
+ CFX_ArrayTemplate<FDE_LPTXTEDTSELRANGE> m_SelRangePtrArr;
+ FX_INT32 m_nPageLineCount;
+ FX_INT32 m_nLineCount;
+ FX_INT32 m_nAnchorPos;
+ FX_INT32 m_nLayoutPos;
+ FX_FLOAT m_fCaretPosReserve;
+ FX_INT32 m_nCaret;
+ FX_BOOL m_bBefore;
+ FX_INT32 m_nCaretPage;
+ CFX_RectF m_rtCaret;
+ FX_DWORD m_dwFindFlags;
+
+ FX_BOOL m_bLock;
+ FX_INT32 m_nLimit;
+ FX_WCHAR m_wcAliasChar;
+ FX_INT32 m_nFirstLineEnd;
+ FX_BOOL m_bAutoLineEnd;
+ FX_WCHAR m_wLineEnd;
+
+ FDE_TXTEDT_TEXTCHANGE_INFO m_ChangeInfo;
+};
+class CFDE_TxtEdtDoRecord_Insert : public IFDE_TxtEdtDoRecord, public CFX_Object
+{
+public:
+ CFDE_TxtEdtDoRecord_Insert(FX_BSTR bsDoRecord);
+ CFDE_TxtEdtDoRecord_Insert( CFDE_TxtEdtEngine * pEngine,
+ FX_INT32 nCaret,
+ FX_LPCWSTR lpText,
+ FX_INT32 nLength);
+ virtual void Release();
+ virtual FX_BOOL Undo();
+ virtual FX_BOOL Redo();
+ virtual void Serialize(CFX_ByteString &bsDoRecord) const;
+protected:
+ ~CFDE_TxtEdtDoRecord_Insert();
+ void Deserialize(FX_BSTR bsDoRecord);
+private:
+ CFDE_TxtEdtEngine * m_pEngine;
+ FX_INT32 m_nCaret;
+ CFX_WideString m_wsInsert;
+};
+class CFDE_TxtEdtDoRecord_DeleteRange : public IFDE_TxtEdtDoRecord, public CFX_Object
+{
+public:
+ CFDE_TxtEdtDoRecord_DeleteRange(FX_BSTR bsDoRecord);
+ CFDE_TxtEdtDoRecord_DeleteRange(CFDE_TxtEdtEngine * pEngine,
+ FX_INT32 nIndex,
+ FX_INT32 nCaret,
+ const CFX_WideString &wsRange,
+ FX_BOOL bSel = FALSE);
+ virtual void Release();
+ virtual FX_BOOL Undo();
+ virtual FX_BOOL Redo();
+ virtual void Serialize(CFX_ByteString &bsDoRecord) const;
+protected:
+ ~CFDE_TxtEdtDoRecord_DeleteRange();
+ void Deserialize(FX_BSTR bsDoRecord);
+private:
+ CFDE_TxtEdtEngine * m_pEngine;
+ FX_BOOL m_bSel;
+ FX_INT32 m_nIndex;
+ FX_INT32 m_nCaret;
+ CFX_WideString m_wsRange;
+};
+#ifdef FDE_USEFORMATBLOCK
+class CFDE_TxtEdtDoRecord_FieldInsert : public IFDE_TxtEdtDoRecord, public CFX_Object
+{
+public:
+ CFDE_TxtEdtDoRecord_FieldInsert(FX_BSTR bsDoRecord);
+ CFDE_TxtEdtDoRecord_FieldInsert(CFDE_TxtEdtEngine * pEngine,
+ FX_INT32 nCaret,
+ CFDE_TxtEdtField * pField,
+ FX_INT32 nIndexInField,
+ FX_INT32 nFieldBgn,
+ FX_INT32 nOldFieldLength,
+ FX_INT32 nNewFieldLength,
+ const CFX_WideString &wsIns,
+ FX_BOOL bSel = FALSE);
+ virtual void Release();
+ virtual FX_BOOL Undo();
+ virtual FX_BOOL Redo();
+ virtual void Serialize(CFX_ByteString &bsDoRecord) const;
+protected:
+ ~CFDE_TxtEdtDoRecord_FieldInsert();
+ void Deserialize(FX_BSTR bsDoRecord);
+
+private:
+ CFDE_TxtEdtEngine * m_pEngine;
+ FX_INT32 m_nCaret;
+ CFDE_TxtEdtField * m_pField;
+ FX_INT32 m_nIndexInField;
+ FX_INT32 m_nFieldBgn;
+ FX_INT32 m_nOldFieldLength;
+ FX_INT32 m_nNewFieldLength;
+ CFX_WideString m_wsIns;
+ FX_BOOL m_bSel;
+};
+class CFDE_TxtEdtDoRecord_FieldDelete : public IFDE_TxtEdtDoRecord, public CFX_Object
+{
+public:
+ CFDE_TxtEdtDoRecord_FieldDelete(FX_BSTR bsDoRecord);
+ CFDE_TxtEdtDoRecord_FieldDelete(CFDE_TxtEdtEngine * pEngine,
+ FX_INT32 nCaret,
+ CFDE_TxtEdtField * pField,
+ FX_INT32 nIndexInField,
+ FX_INT32 nFieldBgn,
+ FX_INT32 nOldLength,
+ FX_INT32 nNewLength,
+ const CFX_WideString &wsDel,
+ FX_BOOL bSel = FALSE);
+ virtual void Release();
+ virtual FX_BOOL Undo();
+ virtual FX_BOOL Redo();
+ virtual void Serialize(CFX_ByteString &bsDoRecord) const;
+protected:
+ ~CFDE_TxtEdtDoRecord_FieldDelete();
+ void Deserialize(FX_BSTR bsDoRecord);
+private:
+ CFDE_TxtEdtEngine * m_pEngine;
+ FX_INT32 m_nCaret;
+ CFDE_TxtEdtField * m_pField;
+ FX_INT32 m_nIndexInField;
+ FX_INT32 m_nFieldBgn;
+ FX_INT32 m_nOldFieldLength;
+ FX_INT32 m_nNewFieldLength;
+ CFX_WideString m_wsDel;
+ FX_BOOL m_bSel;
+};
+class CFDE_TxtEdtDoRecord_FieldReplace : public IFDE_TxtEdtDoRecord, public CFX_Object
+{
+public:
+ CFDE_TxtEdtDoRecord_FieldReplace(FX_BSTR bsDoRecord);
+ CFDE_TxtEdtDoRecord_FieldReplace( CFDE_TxtEdtEngine * pEngine,
+ FX_INT32 nCaret,
+ FX_INT32 nNewCaret,
+ CFDE_TxtEdtField * pField,
+ FX_INT32 nIndexInField,
+ FX_INT32 nFieldBgn,
+ FX_INT32 nFieldNewLength,
+ const CFX_WideString &wsDel,
+ const CFX_WideString &wsIns,
+ FX_BOOL bSel);
+ virtual void Release();
+ virtual FX_BOOL Undo();
+ virtual FX_BOOL Redo();
+ virtual void Serialize(CFX_ByteString &bsDoRecord) const;
+protected:
+ ~CFDE_TxtEdtDoRecord_FieldReplace();
+ void Deserialize(FX_BSTR bsDoRecord);
+private:
+ CFDE_TxtEdtEngine * m_pEngine;
+ FX_INT32 m_nCaret;
+ FX_INT32 m_nNewCaret;
+ CFDE_TxtEdtField * m_pField;
+ FX_INT32 m_nIndexInField;
+ FX_INT32 m_nFieldBgn;
+ FX_INT32 m_nFieldNewLength;
+ CFX_WideString m_wsDel;
+ CFX_WideString m_wsIns;
+ FX_BOOL m_bSel;
+};
+#endif
+#endif
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