// 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 | |
#include <memory> | |
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(const CFWL_WidgetImpProperties& properties, IFWL_Widget* pOuter); | |
~CFWL_EditImp() override; | |
// CFWL_WidgetImp: | |
FWL_ERR GetClassName(CFX_WideString& wsClass) const override; | |
FX_DWORD GetClassID() const override; | |
FWL_ERR Initialize() override; | |
FWL_ERR Finalize() override; | |
FWL_ERR GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize = FALSE) override; | |
FWL_ERR SetWidgetRect(const CFX_RectF& rect) override; | |
FWL_ERR Update() override; | |
FX_DWORD HitTest(FX_FLOAT fx, FX_FLOAT fy) override; | |
FWL_ERR SetStates(FX_DWORD dwStates, FX_BOOL bSet = TRUE) override; | |
FWL_ERR DrawWidget(CFX_Graphics* pGraphics, | |
const CFX_Matrix* pMatrix = NULL) override; | |
FWL_ERR SetThemeProvider(IFWL_ThemeProvider* pThemeProvider) override; | |
virtual FWL_ERR SetText(const CFX_WideString& wsText); | |
virtual int32_t GetTextLength() const; | |
virtual FWL_ERR GetText(CFX_WideString& wsText, | |
int32_t nStart = 0, | |
int32_t nCount = -1) const; | |
virtual FWL_ERR ClearText(); | |
virtual int32_t GetCaretPos() const; | |
virtual int32_t SetCaretPos(int32_t nIndex, FX_BOOL bBefore = TRUE); | |
virtual FWL_ERR AddSelRange(int32_t nStart, int32_t nCount = -1); | |
virtual int32_t CountSelRanges(); | |
virtual int32_t GetSelRange(int32_t nIndex, int32_t& nStart); | |
virtual FWL_ERR ClearSelections(); | |
virtual int32_t GetLimit(); | |
virtual FWL_ERR SetLimit(int32_t nLimit); | |
virtual FWL_ERR SetAliasChar(FX_WCHAR wAlias); | |
virtual FWL_ERR SetFormatString(const CFX_WideString& wsFormat); | |
virtual FWL_ERR Insert(int32_t nStart, const FX_WCHAR* lpText, int32_t nLen); | |
virtual FWL_ERR DeleteSelections(); | |
virtual FWL_ERR DeleteRange(int32_t nStart, int32_t nCount = -1); | |
virtual FWL_ERR ReplaceSelections(const CFX_WideStringC& wsReplace); | |
virtual FWL_ERR Replace(int32_t nStart, | |
int32_t nLen, | |
const CFX_WideStringC& wsReplace); | |
virtual FWL_ERR DoClipboard(int32_t 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(const CFX_ByteStringC& bsRecord); | |
virtual FX_BOOL Undo(const CFX_ByteStringC& 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(int32_t iMin, int32_t iMax); | |
void On_CaretChanged(IFDE_TxtEdtEngine* pEdit, | |
int32_t nPage, | |
FX_BOOL bVisible = true) override; | |
void On_TextChanged(IFDE_TxtEdtEngine* pEdit, | |
FDE_TXTEDT_TEXTCHANGE_INFO& ChangeInfo) override; | |
void On_PageCountChanged(IFDE_TxtEdtEngine* pEdit) override {} | |
void On_SelChanged(IFDE_TxtEdtEngine* pEdit) override; | |
FX_BOOL On_PageLoad(IFDE_TxtEdtEngine* pEdit, | |
int32_t nPageIndex, | |
int32_t nPurpose) override; | |
FX_BOOL On_PageUnload(IFDE_TxtEdtEngine* pEdit, | |
int32_t nPageIndex, | |
int32_t nPurpose) override; | |
FX_BOOL On_PageChange(IFDE_TxtEdtEngine* pEdit, int32_t nPageIndex) override { | |
return TRUE; | |
} | |
void On_AddDoRecord(IFDE_TxtEdtEngine* pEdit, | |
const CFX_ByteStringC& bsDoRecord) override; | |
FX_BOOL On_ValidateField(IFDE_TxtEdtEngine* pEdit, | |
int32_t nBlockIndex, | |
int32_t nFieldIndex, | |
const CFX_WideString& wsFieldText, | |
int32_t nCharIndex) override; | |
FX_BOOL On_ValidateBlock(IFDE_TxtEdtEngine* pEdit, | |
int32_t nBlockIndex) override; | |
FX_BOOL On_GetBlockFormatText(IFDE_TxtEdtEngine* pEdit, | |
int32_t nBlockIndex, | |
CFX_WideString& wsBlockText) override; | |
FX_BOOL On_Validate(IFDE_TxtEdtEngine* pEdit, | |
CFX_WideString& wsText) override; | |
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, | |
const CFX_ByteStringC& 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(); | |
int32_t AddDoRecord(const CFX_ByteStringC& bsDoRecord); | |
void ProcessInsertError(int32_t iError); | |
void DrawSpellCheck(CFX_Graphics* pGraphics, | |
const CFX_Matrix* pMatrix = NULL); | |
void AddSpellCheckObj(CFX_Path& PathData, | |
int32_t nStart, | |
int32_t nCount, | |
FX_FLOAT fOffSetX, | |
FX_FLOAT fOffSetY); | |
int32_t GetWordAtPoint(CFX_PointF pointf, int32_t& 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; | |
int32_t m_nSelStart; | |
int32_t m_nLimit; | |
FX_FLOAT m_fSpaceAbove; | |
FX_FLOAT m_fSpaceBelow; | |
FX_FLOAT m_fFontSize; | |
FX_ARGB m_argbSel; | |
FX_BOOL m_bSetRange; | |
int32_t m_iMin; | |
int32_t m_iMax; | |
std::unique_ptr<IFWL_ScrollBar> m_pVertScrollBar; | |
std::unique_ptr<IFWL_ScrollBar> m_pHorzScrollBar; | |
std::unique_ptr<IFWL_Caret> m_pCaret; | |
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; | |
int32_t m_iCurRecord; | |
int32_t m_iMaxRecord; | |
}; | |
class CFWL_EditImpDelegate : public CFWL_WidgetImpDelegate { | |
public: | |
CFWL_EditImpDelegate(CFWL_EditImp* pOwner); | |
int32_t OnProcessMessage(CFWL_Message* pMessage) override; | |
FWL_ERR OnProcessEvent(CFWL_Event* pEvent) override; | |
FWL_ERR OnDrawWidget(CFX_Graphics* pGraphics, | |
const CFX_Matrix* pMatrix = NULL) override; | |
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 |