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Diffstat (limited to 'xfa/fee/fde_txtedtengine.h')
-rw-r--r--xfa/fee/fde_txtedtengine.h247
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diff --git a/xfa/fee/fde_txtedtengine.h b/xfa/fee/fde_txtedtengine.h
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index 0000000000..9dc4c4eae2
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+++ b/xfa/fee/fde_txtedtengine.h
@@ -0,0 +1,247 @@
+// 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 XFA_FEE_FDE_TXTEDTENGINE_H_
+#define XFA_FEE_FDE_TXTEDTENGINE_H_
+
+#include "core/include/fxcrt/fx_string.h"
+#include "xfa/fee/ifde_txtedtbuf.h"
+#include "xfa/fee/ifde_txtedtengine.h"
+
+class IFX_TxtBreak;
+class IFX_CharIter;
+class CFDE_TxtEdtParag;
+class CFDE_TxtEdtDoRecord_Insert;
+class CFDE_TxtEdtDoRecord_DeleteRange;
+
+class IFDE_TxtEdtDoRecord {
+ public:
+ static IFDE_TxtEdtDoRecord* Create(const CFX_ByteStringC& bsDoRecord);
+ virtual ~IFDE_TxtEdtDoRecord() {}
+ 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 {
+ friend class CFDE_TxtEdtDoRecord_Insert;
+ friend class CFDE_TxtEdtDoRecord_DeleteRange;
+ friend class CFDE_TxtEdtPage;
+ struct _FDE_TXTEDTSELRANGE {
+ int32_t nStart;
+ int32_t nCount;
+ };
+ typedef _FDE_TXTEDTSELRANGE FDE_TXTEDTSELRANGE;
+ typedef _FDE_TXTEDTSELRANGE* FDE_LPTXTEDTSELRANGE;
+ struct _FDE_TXTEDTPARAGPOS {
+ int32_t nParagIndex;
+ int32_t nCharIndex;
+ };
+ typedef _FDE_TXTEDTPARAGPOS FDE_TXTEDTPARAGPOS;
+ typedef _FDE_TXTEDTPARAGPOS* FDE_LPTXTEDTPARAGPOS;
+
+ public:
+ CFDE_TxtEdtEngine();
+ virtual void Release();
+
+ virtual void SetEditParams(const FDE_TXTEDTPARAMS& params);
+ virtual const FDE_TXTEDTPARAMS* GetEditParams() const;
+
+ virtual int32_t CountPages() const;
+ virtual IFDE_TxtEdtPage* GetPage(int32_t nIndex);
+
+ virtual FX_BOOL SetBufChunkSize(int32_t nChunkSize);
+ virtual void SetTextByStream(IFX_Stream* pStream);
+ virtual void SetText(const CFX_WideString& wsText);
+ virtual int32_t GetTextLength() const;
+ virtual void GetText(CFX_WideString& wsText,
+ int32_t nStart,
+ int32_t nCount = -1);
+ virtual void ClearText();
+
+ virtual int32_t GetCaretRect(CFX_RectF& rtCaret) const;
+ virtual int32_t GetCaretPos() const;
+ virtual int32_t SetCaretPos(int32_t nIndex, FX_BOOL bBefore);
+ virtual int32_t MoveCaretPos(FDE_TXTEDTMOVECARET eMoveCaret,
+ FX_BOOL bShift = FALSE,
+ FX_BOOL bCtrl = FALSE);
+ virtual void Lock();
+ virtual void Unlock();
+ virtual FX_BOOL IsLocked() const;
+
+ virtual int32_t Insert(int32_t nStart,
+ const FX_WCHAR* lpText,
+ int32_t nLength);
+ virtual int32_t Delete(int32_t nStart, FX_BOOL bBackspace = FALSE);
+ virtual int32_t DeleteRange(int32_t nStart, int32_t nCount = -1);
+ virtual int32_t Replace(int32_t nStart,
+ int32_t nLength,
+ const CFX_WideString& wsReplace);
+
+ virtual void SetLimit(int32_t nLimit);
+ virtual void SetAliasChar(FX_WCHAR wcAlias);
+
+ void RemoveSelRange(int32_t nStart, int32_t nCount = -1);
+
+ virtual void AddSelRange(int32_t nStart, int32_t nCount = -1);
+ virtual int32_t CountSelRanges();
+ virtual int32_t GetSelRange(int32_t nIndex, int32_t& nStart);
+ virtual void ClearSelection();
+
+ virtual FX_BOOL Redo(const CFX_ByteStringC& bsRedo);
+ virtual FX_BOOL Undo(const CFX_ByteStringC& bsUndo);
+
+ virtual int32_t StartLayout();
+ virtual int32_t DoLayout(IFX_Pause* pPause);
+ virtual void EndLayout();
+
+ virtual FX_BOOL Optimize(IFX_Pause* pPause = NULL);
+ virtual int32_t CountParags() const;
+ virtual IFDE_TxtEdtParag* GetParag(int32_t nParagIndex) const;
+ virtual IFX_CharIter* CreateCharIter();
+ IFDE_TxtEdtBuf* GetTextBuf() const;
+ int32_t GetTextBufLength() const;
+ IFX_TxtBreak* GetTextBreak() const;
+ int32_t GetLineCount() const;
+ int32_t GetPageLineCount() const;
+
+ int32_t Line2Parag(int32_t nStartParag,
+ int32_t nStartLineofParag,
+ int32_t nLineIndex,
+ int32_t& nStartLine) const;
+ FX_WCHAR GetAliasChar() const { return m_wcAliasChar; }
+
+ protected:
+ virtual ~CFDE_TxtEdtEngine();
+
+ private:
+ void Inner_Insert(int32_t nStart, const FX_WCHAR* lpText, int32_t nLength);
+ void GetPreDeleteText(CFX_WideString& wsText,
+ int32_t nIndex,
+ int32_t nLength);
+ void GetPreInsertText(CFX_WideString& wsText,
+ int32_t nIndex,
+ const FX_WCHAR* lpText,
+ int32_t nLength);
+ void GetPreReplaceText(CFX_WideString& wsText,
+ int32_t nIndex,
+ int32_t nOriginLength,
+ const FX_WCHAR* lpText,
+ int32_t nLength);
+
+ void Inner_DeleteRange(int32_t nStart, int32_t nCount = -1);
+ void DeleteRange_DoRecord(int32_t nStart,
+ int32_t nCount,
+ FX_BOOL bSel = FALSE);
+ void ResetEngine();
+ void RebuildParagraphs();
+ void RemoveAllParags();
+ void RemoveAllPages();
+ void UpdateParags();
+ void UpdatePages();
+ void UpdateTxtBreak();
+
+ FX_BOOL ReplaceParagEnd(FX_WCHAR*& lpText,
+ int32_t& nLength,
+ FX_BOOL bPreIsCR = FALSE);
+ void RecoverParagEnd(CFX_WideString& wsText);
+ int32_t MovePage2Char(int32_t nIndex);
+ void TextPos2ParagPos(int32_t nIndex, FDE_TXTEDTPARAGPOS& ParagPos) const;
+ int32_t MoveForward(FX_BOOL& bBefore);
+ int32_t 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(int32_t nIndex, FX_BOOL bBefore = TRUE);
+ void GetCaretRect(CFX_RectF& rtCaret,
+ int32_t nPageIndex,
+ int32_t 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;
+ int32_t m_nPageLineCount;
+ int32_t m_nLineCount;
+ int32_t m_nAnchorPos;
+ int32_t m_nLayoutPos;
+ FX_FLOAT m_fCaretPosReserve;
+ int32_t m_nCaret;
+ FX_BOOL m_bBefore;
+ int32_t m_nCaretPage;
+ CFX_RectF m_rtCaret;
+ FX_DWORD m_dwFindFlags;
+ FX_BOOL m_bLock;
+ int32_t m_nLimit;
+ FX_WCHAR m_wcAliasChar;
+ int32_t m_nFirstLineEnd;
+ FX_BOOL m_bAutoLineEnd;
+ FX_WCHAR m_wLineEnd;
+ FDE_TXTEDT_TEXTCHANGE_INFO m_ChangeInfo;
+};
+
+class CFDE_TxtEdtDoRecord_Insert : public IFDE_TxtEdtDoRecord {
+ public:
+ CFDE_TxtEdtDoRecord_Insert(const CFX_ByteStringC& bsDoRecord);
+ CFDE_TxtEdtDoRecord_Insert(CFDE_TxtEdtEngine* pEngine,
+ int32_t nCaret,
+ const FX_WCHAR* lpText,
+ int32_t 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(const CFX_ByteStringC& bsDoRecord);
+
+ private:
+ CFDE_TxtEdtEngine* m_pEngine;
+ int32_t m_nCaret;
+ CFX_WideString m_wsInsert;
+};
+
+class CFDE_TxtEdtDoRecord_DeleteRange : public IFDE_TxtEdtDoRecord {
+ public:
+ CFDE_TxtEdtDoRecord_DeleteRange(const CFX_ByteStringC& bsDoRecord);
+ CFDE_TxtEdtDoRecord_DeleteRange(CFDE_TxtEdtEngine* pEngine,
+ int32_t nIndex,
+ int32_t 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(const CFX_ByteStringC& bsDoRecord);
+
+ private:
+ CFDE_TxtEdtEngine* m_pEngine;
+ FX_BOOL m_bSel;
+ int32_t m_nIndex;
+ int32_t m_nCaret;
+ CFX_WideString m_wsRange;
+};
+
+#endif // XFA_FEE_FDE_TXTEDTENGINE_H_