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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 _FWL_EDIT_IMP_H
#define _FWL_EDIT_IMP_H
class CFWL_WidgetImp;
class CFWL_WidgetImpProperties;
class CFWL_WidgetImpDelegate;
class CFWL_ScrollBarImp;
class IFWL_Caret;
class IFWL_AdapterTextField;
class CFWL_EditImp;
class CFWL_EditImpDelegate;
class CFWL_EditImp : public CFWL_WidgetImp, public IFDE_TxtEdtEventSink
{
public:
CFWL_EditImp(IFWL_Widget *pOuter = NULL);
CFWL_EditImp(const CFWL_WidgetImpProperties &properties, IFWL_Widget *pOuter = NULL);
~CFWL_EditImp();
virtual FWL_ERR GetClassName(CFX_WideString &wsClass) const;
virtual FX_DWORD GetClassID() const;
virtual FWL_ERR Initialize();
virtual FWL_ERR Finalize();
virtual FWL_ERR GetWidgetRect(CFX_RectF &rect, FX_BOOL bAutoSize = FALSE);
virtual FWL_ERR SetWidgetRect(const CFX_RectF &rect);
virtual FWL_ERR Update();
virtual FX_DWORD HitTest(FX_FLOAT fx, FX_FLOAT fy);
virtual FWL_ERR SetStates(FX_DWORD dwStates, FX_BOOL bSet = TRUE);
virtual FWL_ERR DrawWidget(CFX_Graphics *pGraphics, const CFX_Matrix *pMatrix = NULL);
virtual FWL_ERR SetThemeProvider(IFWL_ThemeProvider *pThemeProvider);
virtual FWL_ERR SetText(const CFX_WideString &wsText);
virtual FX_INT32 GetTextLength() const;
virtual FWL_ERR GetText(CFX_WideString &wsText, FX_INT32 nStart = 0, FX_INT32 nCount = -1) const;
virtual FWL_ERR ClearText();
virtual FX_INT32 GetCaretPos() const;
virtual FX_INT32 SetCaretPos(FX_INT32 nIndex, FX_BOOL bBefore = TRUE);
virtual FWL_ERR AddSelRange(FX_INT32 nStart, FX_INT32 nCount = -1);
virtual FX_INT32 CountSelRanges();
virtual FX_INT32 GetSelRange(FX_INT32 nIndex, FX_INT32 &nStart);
virtual FWL_ERR ClearSelections();
virtual FX_INT32 GetLimit();
virtual FWL_ERR SetLimit(FX_INT32 nLimit);
virtual FWL_ERR SetAliasChar(FX_WCHAR wAlias);
virtual FWL_ERR SetFormatString(const CFX_WideString &wsFormat);
virtual FWL_ERR Insert(FX_INT32 nStart, FX_LPCWSTR lpText, FX_INT32 nLen);
virtual FWL_ERR DeleteSelections();
virtual FWL_ERR DeleteRange(FX_INT32 nStart, FX_INT32 nCount = -1);
virtual FWL_ERR ReplaceSelections(const CFX_WideStringC &wsReplace);
virtual FWL_ERR Replace(FX_INT32 nStart, FX_INT32 nLen, const CFX_WideStringC &wsReplace);
virtual FWL_ERR DoClipboard(FX_INT32 iCmd);
virtual FX_BOOL Copy(CFX_WideString &wsCopy);
virtual FX_BOOL Cut(CFX_WideString &wsCut);
virtual FX_BOOL Paste(const CFX_WideString &wsPaste);
virtual FX_BOOL Delete();
virtual FX_BOOL Redo(FX_BSTR bsRecord);
virtual FX_BOOL Undo(FX_BSTR bsRecord);
virtual FX_BOOL Undo();
virtual FX_BOOL Redo();
virtual FX_BOOL CanUndo();
virtual FX_BOOL CanRedo();
virtual FWL_ERR SetTabWidth(FX_FLOAT fTabWidth, FX_BOOL bEquidistant);
virtual FWL_ERR SetOuter(IFWL_Widget *pOuter);
virtual FWL_ERR SetNumberRange(FX_INT32 iMin, FX_INT32 iMax);
virtual void On_CaretChanged(IFDE_TxtEdtEngine *pEdit, FX_INT32 nPage, FX_BOOL bVisible = TRUE);
virtual void On_TextChanged(IFDE_TxtEdtEngine * pEdit, FDE_TXTEDT_TEXTCHANGE_INFO &ChangeInfo);
virtual void On_PageCountChanged(IFDE_TxtEdtEngine *pEdit) {}
virtual void On_SelChanged(IFDE_TxtEdtEngine *pEdit);
virtual FX_BOOL On_PageLoad(IFDE_TxtEdtEngine *pEdit, FX_INT32 nPageIndex, FX_INT32 nPurpose);
virtual FX_BOOL On_PageUnload(IFDE_TxtEdtEngine *pEdit, FX_INT32 nPageIndex, FX_INT32 nPurpose);
virtual FX_BOOL On_PageChange(IFDE_TxtEdtEngine *pEdit, FX_BOOL bPageUp = TRUE)
{
return TRUE;
}
virtual void On_AddDoRecord(IFDE_TxtEdtEngine *pEdit, FX_BSTR bsDoRecord);
virtual FX_BOOL On_ValidateField(IFDE_TxtEdtEngine *pEdit, FX_INT32 nBlockIndex, FX_INT32 nFieldIndex, \
const CFX_WideString &wsFieldText, FX_INT32 nCharIndex);
virtual FX_BOOL On_ValidateBlock(IFDE_TxtEdtEngine *pEdit, FX_INT32 nBlockIndex);
virtual FX_BOOL On_GetBlockFormatText(IFDE_TxtEdtEngine *pEdit, FX_INT32 nBlockIndex, CFX_WideString &wsBlockText);
virtual FX_BOOL On_Validate(IFDE_TxtEdtEngine * pEdit, CFX_WideString &wsText);
virtual FWL_ERR SetBackgroundColor(FX_DWORD color);
virtual FWL_ERR SetFont(const CFX_WideString &wsFont, FX_FLOAT fSize);
void SetScrollOffset(FX_FLOAT fScrollOffset);
FX_BOOL GetSuggestWords(CFX_PointF pointf, CFX_ByteStringArray &sSuggest);
FX_BOOL ReplaceSpellCheckWord(CFX_PointF pointf, FX_BSTR bsReplace);
protected:
void DrawTextBk(CFX_Graphics *pGraphics, IFWL_ThemeProvider *pTheme, const CFX_Matrix *pMatrix = NULL);
void DrawContent(CFX_Graphics *pGraphics, IFWL_ThemeProvider *pTheme, const CFX_Matrix *pMatrix = NULL);
void UpdateEditEngine();
void UpdateEditParams();
void UpdateEditLayout();
FX_BOOL UpdateOffset();
FX_BOOL UpdateOffset(IFWL_ScrollBar *pScrollBar, FX_FLOAT fPosChanged);
void UpdateVAlignment();
void UpdateCaret();
IFWL_ScrollBar* UpdateScroll();
void Layout();
void LayoutScrollBar();
void DeviceToEngine(CFX_PointF &pt);
void InitScrollBar(FX_BOOL bVert = TRUE);
void InitEngine();
virtual void ShowCaret(FX_BOOL bVisible, CFX_RectF *pRect = NULL);
FX_BOOL ValidateNumberChar(FX_WCHAR cNum);
void InitCaret();
void ClearRecord();
FX_BOOL IsShowScrollBar(FX_BOOL bVert);
FX_BOOL IsContentHeightOverflow();
FX_INT32 AddDoRecord(FX_BSTR bsDoRecord);
void ProcessInsertError(FX_INT32 iError);
void DrawSpellCheck(CFX_Graphics *pGraphics, const CFX_Matrix *pMatrix = NULL);
void AddSpellCheckObj(CFX_Path& PathData, FX_INT32 nStart, FX_INT32 nCount, FX_FLOAT fOffSetX, FX_FLOAT fOffSetY);
FX_INT32 GetWordAtPoint(CFX_PointF pointf, FX_INT32& nCount);
CFX_RectF m_rtClient;
CFX_RectF m_rtEngine;
CFX_RectF m_rtStatic;
FX_FLOAT m_fVAlignOffset;
FX_FLOAT m_fScrollOffsetX;
FX_FLOAT m_fScrollOffsetY;
IFDE_TxtEdtEngine* m_pEdtEngine;
FX_BOOL m_bLButtonDown;
FX_INT32 m_nSelStart;
FX_INT32 m_nLimit;
FX_FLOAT m_fSpaceAbove;
FX_FLOAT m_fSpaceBelow;
FX_FLOAT m_fFontSize;
FX_ARGB m_argbSel;
FX_BOOL m_bSetRange;
FX_INT32 m_iMin;
FX_INT32 m_iMax;
IFWL_ScrollBar* m_pVertScrollBar;
IFWL_ScrollBar* m_pHorzScrollBar;
IFWL_Caret* m_pCaret;
IFWL_AdapterTextField* m_pTextField;
CFX_WideString m_wsCache;
friend class CFWL_TxtEdtEventSink;
friend class CFWL_EditImpDelegate;
FX_DWORD m_backColor;
FX_BOOL m_updateBackColor;
CFX_WideString m_wsFont;
CFX_ByteStringArray m_RecordArr;
FX_INT32 m_iCurRecord;
FX_INT32 m_iMaxRecord;
};
class CFWL_EditImpDelegate : public CFWL_WidgetImpDelegate
{
public:
CFWL_EditImpDelegate(CFWL_EditImp *pOwner);
virtual FX_INT32 OnProcessMessage(CFWL_Message *pMessage);
virtual FWL_ERR OnProcessEvent(CFWL_Event *pEvent);
virtual FWL_ERR OnDrawWidget(CFX_Graphics *pGraphics, const CFX_Matrix *pMatrix = NULL);
protected:
void DoActivate(CFWL_MsgActivate *pMsg);
void DoDeactivate(CFWL_MsgDeactivate *pMsg);
void DoButtonDown(CFWL_MsgMouse *pMsg);
void OnFocusChanged(CFWL_Message *pMsg, FX_BOOL bSet = TRUE);
void OnLButtonDown(CFWL_MsgMouse *pMsg);
void OnLButtonUp(CFWL_MsgMouse *pMsg);
void OnButtonDblClk(CFWL_MsgMouse *pMsg);
void OnMouseMove(CFWL_MsgMouse *pMsg);
void OnKeyDown(CFWL_MsgKey *pMsg);
void OnChar(CFWL_MsgKey *pMsg);
FX_BOOL OnScroll(IFWL_ScrollBar *pScrollBar, FX_DWORD dwCode, FX_FLOAT fPos);
void DoCursor(CFWL_MsgMouse *pMsg);
CFWL_EditImp *m_pOwner;
};
#endif
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