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// 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_SRC_FEE_INCLUDE_IFDE_TXTEDTENGINE_H_
#define XFA_SRC_FEE_INCLUDE_IFDE_TXTEDTENGINE_H_
#include "core/include/fxge/fx_dib.h"
#include "xfa/src/fgas/include/fx_fnt.h"
class IFDE_TxtEdtBuf;
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_SRC_FEE_INCLUDE_IFDE_TXTEDTENGINE_H_
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