| // 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_IFDE_TXTEDTENGINE_H_ |
| #define XFA_FEE_IFDE_TXTEDTENGINE_H_ |
| |
| #include "core/include/fxge/fx_dib.h" |
| #include "xfa/fgas/font/fgas_font.h" |
| |
| class IFDE_TxtEdtPage; |
| class IFDE_TxtEdtEngine; |
| class IFDE_TxtEdtEventSink; |
| class IFDE_TxtEdtParag; |
| |
| typedef struct FDE_HTXTEDTFIND_ { void* pData; } * FDE_HTXTEDTFIND; |
| |
| #define FDE_TXTEDT_FIND_FLAGS_Prev (0L << 0) |
| #define FDE_TXTEDT_FIND_FLAGS_Next (1L << 0) |
| #define FDE_TXTEDT_FIND_FLAGS_WholeWord (1L << 1) |
| #define FDE_TXTEDT_FIND_FLAGS_NoCase (1L << 2) |
| |
| #define FDE_TEXTEDITMODE_MultiLines (1L << 0) |
| #define FDE_TEXTEDITMODE_AutoLineWrap (1L << 1) |
| #define FDE_TEXTEDITMODE_ReadOnly (1L << 2) |
| #define FDE_TEXTEDITMODE_LimitArea_Vert (1L << 3) |
| #define FDE_TEXTEDITMODE_LimitArea_Horz (1L << 4) |
| #define FDE_TEXTEDITMODE_NoRedoUndo (1L << 5) |
| #define FDE_TEXTEDITMODE_FIELD_TAB (1L << 6) |
| #define FDE_TEXTEDITMODE_FIELD_AUTO (1L << 7) |
| #define FDE_TEXTEDITMODE_Validate (1L << 8) |
| #define FDE_TEXTEDITMODE_Password (1L << 9) |
| |
| #define FDE_TEXTEDITALIGN_Left (0L << 0) |
| #define FDE_TEXTEDITALIGN_Center (1L << 0) |
| #define FDE_TEXTEDITALIGN_Right (2L << 0) |
| #define FDE_TEXTEDITALIGN_Normal (1L << 3) |
| #define FDE_TEXTEDITALIGN_Justified (1L << 4) |
| #define FDE_TEXTEDITALIGN_Distributed (1L << 5) |
| |
| #define FDE_TEXTEDITLAYOUT_DocVertical (1L << 0) |
| #define FDE_TEXTEDITLAYOUT_CharVertial (1L << 1) |
| #define FDE_TEXTEDITLAYOUT_LineReserve (1L << 2) |
| #define FDE_TEXTEDITLAYOUT_RTL (1L << 3) |
| #define FDE_TEXTEDITLAYOUT_CombText (1L << 4) |
| #define FDE_TEXTEDITLAYOUT_ExpandTab (1L << 5) |
| #define FDE_TEXTEDITLAYOUT_ArabicContext (1L << 6) |
| #define FDE_TEXTEDITLAYOUT_ArabicShapes (1L << 7) |
| #define FDE_TEXTEDITLAYOUT_LastLineHeight (1L << 8) |
| |
| enum FDE_TXTEDTMOVECARET { |
| MC_MoveNone = 0, |
| MC_Left, |
| MC_Right, |
| MC_Up, |
| MC_Down, |
| MC_WordBackward, |
| MC_WordForward, |
| MC_LineStart, |
| MC_LineEnd, |
| MC_ParagStart, |
| MC_ParagEnd, |
| MC_PageUp, |
| MC_PageDown, |
| MC_Home, |
| MC_End, |
| }; |
| enum FDE_TXTEDT_MODIFY_RET { |
| FDE_TXTEDT_MODIFY_RET_F_Tab = -6, |
| FDE_TXTEDT_MODIFY_RET_F_Locked = -5, |
| FDE_TXTEDT_MODIFY_RET_F_Invalidate = -4, |
| FDE_TXTEDT_MODIFY_RET_F_Boundary = -3, |
| FDE_TXTEDT_MODIFY_RET_F_Full = -2, |
| FDE_TXTEDT_MODIFY_RET_F_Normal = -1, |
| FDE_TXTEDT_MODIFY_RET_S_Normal = 0, |
| FDE_TXTEDT_MODIFY_RET_S_Full = 1, |
| FDE_TXTEDT_MODIFY_RET_S_Part = 2, |
| FDE_TXTEDT_MODIFY_RET_S_Empty = 3, |
| FDE_TXTEDT_MODIFY_RET_T_Tab = 4, |
| }; |
| enum FDE_TXTEDIT_LINEEND { |
| FDE_TXTEDIT_LINEEND_Auto, |
| FDE_TXTEDIT_LINEEND_CRLF, |
| FDE_TXTEDIT_LINEEND_CR, |
| FDE_TXTEDIT_LINEEND_LF, |
| }; |
| struct _FDE_TXTEDTPARAMS { |
| _FDE_TXTEDTPARAMS() |
| : fPlateWidth(0), |
| fPlateHeight(0), |
| nLineCount(0), |
| dwLayoutStyles(0), |
| dwAlignment(0), |
| dwMode(0), |
| pFont(NULL), |
| fFontSize(10.0f), |
| dwFontColor(0xff000000), |
| fLineSpace(10.0f), |
| fTabWidth(36), |
| bTabEquidistant(FALSE), |
| wDefChar(0xFEFF), |
| wLineBreakChar('\n'), |
| nCharRotation(0), |
| nLineEnd(0), |
| nHorzScale(100), |
| fCharSpace(0), |
| pEventSink(NULL) {} |
| FX_FLOAT fPlateWidth; |
| FX_FLOAT fPlateHeight; |
| int32_t nLineCount; |
| uint32_t dwLayoutStyles; |
| uint32_t dwAlignment; |
| uint32_t dwMode; |
| IFX_Font* pFont; |
| FX_FLOAT fFontSize; |
| FX_ARGB dwFontColor; |
| FX_FLOAT fLineSpace; |
| FX_FLOAT fTabWidth; |
| FX_BOOL bTabEquidistant; |
| FX_WCHAR wDefChar; |
| FX_WCHAR wLineBreakChar; |
| int32_t nCharRotation; |
| int32_t nLineEnd; |
| int32_t nHorzScale; |
| FX_FLOAT fCharSpace; |
| IFDE_TxtEdtEventSink* pEventSink; |
| }; |
| typedef _FDE_TXTEDTPARAMS FDE_TXTEDTPARAMS; |
| typedef _FDE_TXTEDTPARAMS* FDE_LPTXTEDTPARAMS; |
| enum FDE_TXTEDT_TEXTCHANGE_TYPE { |
| FDE_TXTEDT_TEXTCHANGE_TYPE_Insert = 0, |
| FDE_TXTEDT_TEXTCHANGE_TYPE_Delete, |
| FDE_TXTEDT_TEXTCHANGE_TYPE_Replace, |
| }; |
| struct _FDE_TXTEDT_TEXTCHANGE_INFO { |
| int32_t nChangeType; |
| CFX_WideString wsInsert; |
| CFX_WideString wsDelete; |
| CFX_WideString wsPrevText; |
| }; |
| typedef _FDE_TXTEDT_TEXTCHANGE_INFO FDE_TXTEDT_TEXTCHANGE_INFO; |
| typedef _FDE_TXTEDT_TEXTCHANGE_INFO* FDE_LPTXTEDT_TEXTCHANGE_INFO; |
| class IFDE_TxtEdtEventSink { |
| public: |
| virtual ~IFDE_TxtEdtEventSink() {} |
| virtual void On_CaretChanged(IFDE_TxtEdtEngine* pEdit, |
| int32_t nPage, |
| FX_BOOL bVisible = TRUE) = 0; |
| virtual void On_TextChanged(IFDE_TxtEdtEngine* pEdit, |
| FDE_TXTEDT_TEXTCHANGE_INFO& ChangeInfo) = 0; |
| virtual void On_PageCountChanged(IFDE_TxtEdtEngine* pEdit) = 0; |
| virtual void On_SelChanged(IFDE_TxtEdtEngine* pEdit) = 0; |
| virtual FX_BOOL On_PageLoad(IFDE_TxtEdtEngine* pEdit, |
| int32_t nPageIndex, |
| int32_t nPurpose) = 0; |
| virtual FX_BOOL On_PageUnload(IFDE_TxtEdtEngine* pEdit, |
| int32_t nPageIndex, |
| int32_t nPurpose) = 0; |
| virtual FX_BOOL On_PageChange(IFDE_TxtEdtEngine* pEdit, |
| int32_t nPageIndex) = 0; |
| virtual void On_AddDoRecord(IFDE_TxtEdtEngine* pEdit, |
| const CFX_ByteStringC& bsDoRecord) = 0; |
| virtual FX_BOOL On_ValidateField(IFDE_TxtEdtEngine* pEdit, |
| int32_t nBlockIndex, |
| int32_t nFieldIndex, |
| const CFX_WideString& wsFieldText, |
| int32_t nCharIndex) = 0; |
| virtual FX_BOOL On_ValidateBlock(IFDE_TxtEdtEngine* pEdit, |
| int32_t nBlockIndex) = 0; |
| virtual FX_BOOL On_GetBlockFormatText(IFDE_TxtEdtEngine* pEdit, |
| int32_t nBlockIndex, |
| CFX_WideString& wsBlockText) = 0; |
| virtual FX_BOOL On_Validate(IFDE_TxtEdtEngine* pEdit, |
| CFX_WideString& wsText) = 0; |
| }; |
| class IFX_CharIter { |
| public: |
| virtual ~IFX_CharIter() {} |
| virtual void Release() = 0; |
| virtual FX_BOOL Next(FX_BOOL bPrev = FALSE) = 0; |
| virtual FX_WCHAR GetChar() = 0; |
| virtual void SetAt(int32_t nIndex) = 0; |
| virtual int32_t GetAt() const = 0; |
| virtual FX_BOOL IsEOF(FX_BOOL bTail = TRUE) const = 0; |
| virtual IFX_CharIter* Clone() = 0; |
| }; |
| class IFDE_TxtEdtEngine { |
| public: |
| static IFDE_TxtEdtEngine* Create(); |
| |
| virtual ~IFDE_TxtEdtEngine() {} |
| virtual void Release() = 0; |
| virtual void SetEditParams(const FDE_TXTEDTPARAMS& params) = 0; |
| virtual const FDE_TXTEDTPARAMS* GetEditParams() const = 0; |
| |
| virtual int32_t CountPages() const = 0; |
| virtual IFDE_TxtEdtPage* GetPage(int32_t nIndex) = 0; |
| virtual FX_BOOL SetBufChunkSize(int32_t nChunkSize) = 0; |
| virtual void SetTextByStream(IFX_Stream* pStream) = 0; |
| virtual void SetText(const CFX_WideString& wsText) = 0; |
| virtual int32_t GetTextLength() const = 0; |
| virtual void GetText(CFX_WideString& wsText, |
| int32_t nStart, |
| int32_t nCount = -1) = 0; |
| virtual void ClearText() = 0; |
| |
| virtual int32_t GetCaretRect(CFX_RectF& rtCaret) const = 0; |
| virtual int32_t GetCaretPos() const = 0; |
| virtual int32_t SetCaretPos(int32_t nIndex, FX_BOOL bBefore = TRUE) = 0; |
| virtual int32_t MoveCaretPos(FDE_TXTEDTMOVECARET eMoveCaret, |
| FX_BOOL bShift = FALSE, |
| FX_BOOL bCtrl = FALSE) = 0; |
| |
| virtual void Lock() = 0; |
| virtual void Unlock() = 0; |
| virtual FX_BOOL IsLocked() const = 0; |
| |
| virtual int32_t Insert(int32_t nStart, |
| const FX_WCHAR* lpText, |
| int32_t nLength) = 0; |
| virtual int32_t Delete(int32_t nStart, FX_BOOL bBackspace = FALSE) = 0; |
| virtual int32_t DeleteRange(int32_t nStart, int32_t nCount = -1) = 0; |
| virtual int32_t Replace(int32_t nStart, |
| int32_t nLength, |
| const CFX_WideString& wsReplace) = 0; |
| virtual void SetLimit(int32_t nLimit) = 0; |
| virtual void SetAliasChar(FX_WCHAR wAlias) = 0; |
| virtual void AddSelRange(int32_t nStart, int32_t nCount = -1) = 0; |
| virtual int32_t CountSelRanges() = 0; |
| virtual int32_t GetSelRange(int32_t nIndex, int32_t& nStart) = 0; |
| virtual void ClearSelection() = 0; |
| |
| virtual FX_BOOL Redo(const CFX_ByteStringC& bsRedo) = 0; |
| virtual FX_BOOL Undo(const CFX_ByteStringC& bsUndo) = 0; |
| |
| virtual int32_t StartLayout() = 0; |
| virtual int32_t DoLayout(IFX_Pause* pPause) = 0; |
| virtual void EndLayout() = 0; |
| |
| virtual FX_BOOL Optimize(IFX_Pause* pPause = NULL) = 0; |
| virtual int32_t CountParags() const = 0; |
| virtual IFDE_TxtEdtParag* GetParag(int32_t nParagIndex) const = 0; |
| virtual IFX_CharIter* CreateCharIter() = 0; |
| }; |
| class IFDE_TxtEdtParag { |
| public: |
| virtual ~IFDE_TxtEdtParag() {} |
| virtual int32_t GetTextLength() const = 0; |
| virtual int32_t GetStartIndex() const = 0; |
| virtual int32_t CountLines() const = 0; |
| virtual void GetLineRange(int32_t nLineIndex, |
| int32_t& nStart, |
| int32_t& nCount) const = 0; |
| }; |
| |
| #endif // XFA_FEE_IFDE_TXTEDTENGINE_H_ |