| // 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_FWL_BASEWIDGET_FWL_EDITIMP_H_ |
| #define XFA_FWL_BASEWIDGET_FWL_EDITIMP_H_ |
| |
| #include <deque> |
| #include <memory> |
| #include <vector> |
| |
| #include "xfa/fde/ifde_txtedtdorecord.h" |
| #include "xfa/fde/ifde_txtedtengine.h" |
| #include "xfa/fwl/basewidget/ifwl_scrollbar.h" |
| #include "xfa/fwl/core/fwl_widgetimp.h" |
| #include "xfa/fxgraphics/cfx_path.h" |
| |
| class CFWL_EditImp; |
| class CFWL_EditImpDelegate; |
| class CFWL_MsgActivate; |
| class CFWL_MsgDeactivate; |
| class CFWL_MsgMouse; |
| class CFWL_WidgetImpDelegate; |
| class CFWL_WidgetImpProperties; |
| class IFWL_Caret; |
| |
| class CFWL_EditImp : public CFWL_WidgetImp { |
| public: |
| CFWL_EditImp(const CFWL_WidgetImpProperties& properties, IFWL_Widget* pOuter); |
| ~CFWL_EditImp() override; |
| |
| // CFWL_WidgetImp: |
| FWL_Error GetClassName(CFX_WideString& wsClass) const override; |
| FWL_Type GetClassID() const override; |
| FWL_Error Initialize() override; |
| FWL_Error Finalize() override; |
| FWL_Error GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize = FALSE) override; |
| FWL_Error SetWidgetRect(const CFX_RectF& rect) override; |
| FWL_Error Update() override; |
| FWL_WidgetHit HitTest(FX_FLOAT fx, FX_FLOAT fy) override; |
| void SetStates(uint32_t dwStates, FX_BOOL bSet = TRUE) override; |
| FWL_Error DrawWidget(CFX_Graphics* pGraphics, |
| const CFX_Matrix* pMatrix = nullptr) override; |
| FWL_Error SetThemeProvider(IFWL_ThemeProvider* pThemeProvider) override; |
| |
| virtual FWL_Error SetText(const CFX_WideString& wsText); |
| virtual int32_t GetTextLength() const; |
| virtual FWL_Error GetText(CFX_WideString& wsText, |
| int32_t nStart = 0, |
| int32_t nCount = -1) const; |
| virtual FWL_Error ClearText(); |
| virtual int32_t GetCaretPos() const; |
| virtual int32_t SetCaretPos(int32_t nIndex, FX_BOOL bBefore = TRUE); |
| virtual FWL_Error AddSelRange(int32_t nStart, int32_t nCount = -1); |
| virtual int32_t CountSelRanges(); |
| virtual int32_t GetSelRange(int32_t nIndex, int32_t& nStart); |
| virtual FWL_Error ClearSelections(); |
| virtual int32_t GetLimit(); |
| virtual FWL_Error SetLimit(int32_t nLimit); |
| virtual FWL_Error SetAliasChar(FX_WCHAR wAlias); |
| virtual FWL_Error Insert(int32_t nStart, |
| const FX_WCHAR* lpText, |
| int32_t nLen); |
| virtual FWL_Error DeleteSelections(); |
| virtual FWL_Error DeleteRange(int32_t nStart, int32_t nCount = -1); |
| virtual FWL_Error Replace(int32_t nStart, |
| int32_t nLen, |
| const CFX_WideStringC& wsReplace); |
| virtual FWL_Error 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 IFDE_TxtEdtDoRecord* pRecord); |
| virtual FX_BOOL Undo(const IFDE_TxtEdtDoRecord* pRecord); |
| virtual FX_BOOL Undo(); |
| virtual FX_BOOL Redo(); |
| virtual FX_BOOL CanUndo(); |
| virtual FX_BOOL CanRedo(); |
| virtual FWL_Error SetTabWidth(FX_FLOAT fTabWidth, FX_BOOL bEquidistant); |
| virtual FWL_Error SetOuter(IFWL_Widget* pOuter); |
| virtual FWL_Error SetNumberRange(int32_t iMin, int32_t iMax); |
| virtual FWL_Error SetBackgroundColor(uint32_t color); |
| virtual FWL_Error SetFont(const CFX_WideString& wsFont, FX_FLOAT fSize); |
| |
| void On_CaretChanged(CFDE_TxtEdtEngine* pEdit, |
| int32_t nPage, |
| FX_BOOL bVisible = true); |
| void On_TextChanged(CFDE_TxtEdtEngine* pEdit, |
| FDE_TXTEDT_TEXTCHANGE_INFO& ChangeInfo); |
| void On_SelChanged(CFDE_TxtEdtEngine* pEdit); |
| FX_BOOL On_PageLoad(CFDE_TxtEdtEngine* pEdit, |
| int32_t nPageIndex, |
| int32_t nPurpose); |
| FX_BOOL On_PageUnload(CFDE_TxtEdtEngine* pEdit, |
| int32_t nPageIndex, |
| int32_t nPurpose); |
| void On_AddDoRecord(CFDE_TxtEdtEngine* pEdit, IFDE_TxtEdtDoRecord* pRecord); |
| FX_BOOL On_Validate(CFDE_TxtEdtEngine* pEdit, CFX_WideString& wsText); |
| void SetScrollOffset(FX_FLOAT fScrollOffset); |
| FX_BOOL GetSuggestWords(CFX_PointF pointf, |
| std::vector<CFX_ByteString>& sSuggest); |
| FX_BOOL ReplaceSpellCheckWord(CFX_PointF pointf, |
| const CFX_ByteStringC& bsReplace); |
| |
| protected: |
| friend class CFWL_TxtEdtEventSink; |
| friend class CFWL_EditImpDelegate; |
| |
| void DrawTextBk(CFX_Graphics* pGraphics, |
| IFWL_ThemeProvider* pTheme, |
| const CFX_Matrix* pMatrix = nullptr); |
| void DrawContent(CFX_Graphics* pGraphics, |
| IFWL_ThemeProvider* pTheme, |
| const CFX_Matrix* pMatrix = nullptr); |
| 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 = nullptr); |
| FX_BOOL ValidateNumberChar(FX_WCHAR cNum); |
| void InitCaret(); |
| void ClearRecord(); |
| FX_BOOL IsShowScrollBar(FX_BOOL bVert); |
| FX_BOOL IsContentHeightOverflow(); |
| int32_t AddDoRecord(IFDE_TxtEdtDoRecord* pRecord); |
| void ProcessInsertError(int32_t iError); |
| |
| void DrawSpellCheck(CFX_Graphics* pGraphics, |
| const CFX_Matrix* pMatrix = nullptr); |
| 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; |
| std::unique_ptr<CFDE_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; |
| uint32_t m_backColor; |
| FX_BOOL m_updateBackColor; |
| CFX_WideString m_wsFont; |
| std::deque<std::unique_ptr<IFDE_TxtEdtDoRecord>> m_DoRecords; |
| int32_t m_iCurRecord; |
| int32_t m_iMaxRecord; |
| }; |
| |
| class CFWL_EditImpDelegate : public CFWL_WidgetImpDelegate { |
| public: |
| CFWL_EditImpDelegate(CFWL_EditImp* pOwner); |
| void OnProcessMessage(CFWL_Message* pMessage) override; |
| void OnProcessEvent(CFWL_Event* pEvent) override; |
| void OnDrawWidget(CFX_Graphics* pGraphics, |
| const CFX_Matrix* pMatrix = nullptr) 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, uint32_t dwCode, FX_FLOAT fPos); |
| void DoCursor(CFWL_MsgMouse* pMsg); |
| CFWL_EditImp* m_pOwner; |
| }; |
| |
| #endif // XFA_FWL_BASEWIDGET_FWL_EDITIMP_H_ |
