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Diffstat (limited to 'xfa/fee/ifde_txtedtengine.h')
| -rw-r--r-- | xfa/fee/ifde_txtedtengine.h | 258 |
1 files changed, 258 insertions, 0 deletions
diff --git a/xfa/fee/ifde_txtedtengine.h b/xfa/fee/ifde_txtedtengine.h new file mode 100644 index 0000000000..47700b04c7 --- /dev/null +++ b/xfa/fee/ifde_txtedtengine.h @@ -0,0 +1,258 @@ +// 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; + FX_DWORD dwLayoutStyles; + FX_DWORD dwAlignment; + FX_DWORD 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_ |