Merge IFWL and CFWL classes.

xfa/fwl/core/cfwl_edit.h

 // 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_CORE_CFWL_EDIT_H_
 #define XFA_FWL_CORE_CFWL_EDIT_H_
 
+#include <deque>
+#include <memory>
 #include <vector>
 
+#include "xfa/fde/cfde_txtedtengine.h"
+#include "xfa/fde/ifde_txtedtdorecord.h"
+#include "xfa/fwl/core/cfwl_event.h"
+#include "xfa/fwl/core/cfwl_scrollbar.h"
 #include "xfa/fwl/core/cfwl_widget.h"
-#include "xfa/fwl/core/ifwl_edit.h"
+#include "xfa/fxgraphics/cfx_path.h"
+
+#define FWL_STYLEEXT_EDT_ReadOnly (1L << 0)
+#define FWL_STYLEEXT_EDT_MultiLine (1L << 1)
+#define FWL_STYLEEXT_EDT_WantReturn (1L << 2)
+#define FWL_STYLEEXT_EDT_NoHideSel (1L << 3)
+#define FWL_STYLEEXT_EDT_AutoHScroll (1L << 4)
+#define FWL_STYLEEXT_EDT_AutoVScroll (1L << 5)
+#define FWL_STYLEEXT_EDT_NoRedoUndo (1L << 6)
+#define FWL_STYLEEXT_EDT_Validate (1L << 7)
+#define FWL_STYLEEXT_EDT_Password (1L << 8)
+#define FWL_STYLEEXT_EDT_Number (1L << 9)
+#define FWL_STYLEEXT_EDT_VerticalLayout (1L << 12)
+#define FWL_STYLEEXT_EDT_VerticalChars (1L << 13)
+#define FWL_STYLEEXT_EDT_ReverseLine (1L << 14)
+#define FWL_STYLEEXT_EDT_ArabicShapes (1L << 15)
+#define FWL_STYLEEXT_EDT_ExpandTab (1L << 16)
+#define FWL_STYLEEXT_EDT_CombText (1L << 17)
+#define FWL_STYLEEXT_EDT_HNear (0L << 18)
+#define FWL_STYLEEXT_EDT_HCenter (1L << 18)
+#define FWL_STYLEEXT_EDT_HFar (2L << 18)
+#define FWL_STYLEEXT_EDT_VNear (0L << 20)
+#define FWL_STYLEEXT_EDT_VCenter (1L << 20)
+#define FWL_STYLEEXT_EDT_VFar (2L << 20)
+#define FWL_STYLEEXT_EDT_Justified (1L << 22)
+#define FWL_STYLEEXT_EDT_Distributed (2L << 22)
+#define FWL_STYLEEXT_EDT_HAlignMask (3L << 18)
+#define FWL_STYLEEXT_EDT_VAlignMask (3L << 20)
+#define FWL_STYLEEXT_EDT_HAlignModeMask (3L << 22)
+#define FWL_STYLEEXT_EDT_InnerCaret (1L << 24)
+#define FWL_STYLEEXT_EDT_ShowScrollbarFocus (1L << 25)
+#define FWL_STYLEEXT_EDT_OuterScrollbar (1L << 26)
+#define FWL_STYLEEXT_EDT_LastLineHeight (1L << 27)
 
 class IFDE_TxtEdtDoRecord;
+class CFWL_Edit;
+class CFWL_MsgMouse;
+class CFWL_WidgetProperties;
+class CFWL_Caret;
 
 class CFWL_Edit : public CFWL_Widget {
  public:
-  explicit CFWL_Edit(const CFWL_App*);
+  CFWL_Edit(const CFWL_App* app,
+            std::unique_ptr<CFWL_WidgetProperties> properties,
+            CFWL_Widget* pOuter);
   ~CFWL_Edit() override;
 
-  void Initialize();
+  // CFWL_Widget:
+  FWL_Type GetClassID() const override;
+  void GetWidgetRect(CFX_RectF& rect, bool bAutoSize = false) override;
+  void Update() override;
+  FWL_WidgetHit HitTest(FX_FLOAT fx, FX_FLOAT fy) override;
+  void SetStates(uint32_t dwStates, bool bSet = true) override;
+  void DrawWidget(CFX_Graphics* pGraphics,
+                  const CFX_Matrix* pMatrix = nullptr) override;
+  void SetThemeProvider(IFWL_ThemeProvider* pThemeProvider) override;
+  void OnProcessMessage(CFWL_Message* pMessage) override;
+  void OnProcessEvent(CFWL_Event* pEvent) override;
+  void OnDrawWidget(CFX_Graphics* pGraphics,
+                    const CFX_Matrix* pMatrix) override;
 
-  void SetText(const CFX_WideString& wsText);
+  virtual void SetText(const CFX_WideString& wsText);
+
+  int32_t GetTextLength() const;
   void GetText(CFX_WideString& wsText,
                int32_t nStart = 0,
                int32_t nCount = -1) const;
+  void ClearText();
 
+  void AddSelRange(int32_t nStart, int32_t nCount = -1);
   int32_t CountSelRanges() const;
   int32_t GetSelRange(int32_t nIndex, int32_t& nStart) const;
-
+  void ClearSelections();
   int32_t GetLimit() const;
   void SetLimit(int32_t nLimit);
+  void SetAliasChar(FX_WCHAR wAlias);
+  bool Copy(CFX_WideString& wsCopy);
+  bool Cut(CFX_WideString& wsCut);
+  bool Paste(const CFX_WideString& wsPaste);
+  bool Redo(const IFDE_TxtEdtDoRecord* pRecord);
+  bool Undo(const IFDE_TxtEdtDoRecord* pRecord);
+  bool Undo();
+  bool Redo();
+  bool CanUndo();
+  bool CanRedo();
 
-  void SetAliasChar(FX_WCHAR wAlias);
+  void SetOuter(CFWL_Widget* pOuter);
 
+  void On_CaretChanged(CFDE_TxtEdtEngine* pEdit,
+                       int32_t nPage,
+                       bool bVisible = true);
+  void On_TextChanged(CFDE_TxtEdtEngine* pEdit,
+                      FDE_TXTEDT_TEXTCHANGE_INFO& ChangeInfo);
+  void On_SelChanged(CFDE_TxtEdtEngine* pEdit);
+  bool On_PageLoad(CFDE_TxtEdtEngine* pEdit,
+                   int32_t nPageIndex,
+                   int32_t nPurpose);
+  bool On_PageUnload(CFDE_TxtEdtEngine* pEdit,
+                     int32_t nPageIndex,
+                     int32_t nPurpose);
+  void On_AddDoRecord(CFDE_TxtEdtEngine* pEdit, IFDE_TxtEdtDoRecord* pRecord);
+  bool On_Validate(CFDE_TxtEdtEngine* pEdit, CFX_WideString& wsText);
   void SetScrollOffset(FX_FLOAT fScrollOffset);
+
+ protected:
+  void ShowCaret(bool bVisible, CFX_RectF* pRect = nullptr);
+  const CFX_RectF& GetRTClient() const { return m_rtClient; }
+  CFDE_TxtEdtEngine* GetTxtEdtEngine() { return &m_EdtEngine; }
+
+ private:
+  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();
+  bool UpdateOffset();
+  bool UpdateOffset(CFWL_ScrollBar* pScrollBar, FX_FLOAT fPosChanged);
+  void UpdateVAlignment();
+  void UpdateCaret();
+  CFWL_ScrollBar* UpdateScroll();
+  void Layout();
+  void LayoutScrollBar();
+  void DeviceToEngine(CFX_PointF& pt);
+  void InitScrollBar(bool bVert = true);
+  void InitEngine();
+  bool ValidateNumberChar(FX_WCHAR cNum);
+  void InitCaret();
+  void ClearRecord();
+  bool IsShowScrollBar(bool bVert);
+  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);
+  void DoButtonDown(CFWL_MsgMouse* pMsg);
+  void OnFocusChanged(CFWL_Message* pMsg, bool bSet);
+  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);
+  bool OnScroll(CFWL_ScrollBar* pScrollBar, FWL_SCBCODE dwCode, FX_FLOAT fPos);
+
+  CFX_RectF m_rtClient;
+  CFX_RectF m_rtEngine;
+  CFX_RectF m_rtStatic;
+  FX_FLOAT m_fVAlignOffset;
+  FX_FLOAT m_fScrollOffsetX;
+  FX_FLOAT m_fScrollOffsetY;
+  CFDE_TxtEdtEngine m_EdtEngine;
+  bool m_bLButtonDown;
+  int32_t m_nSelStart;
+  int32_t m_nLimit;
+  FX_FLOAT m_fFontSize;
+  bool m_bSetRange;
+  int32_t m_iMax;
+  std::unique_ptr<CFWL_ScrollBar> m_pVertScrollBar;
+  std::unique_ptr<CFWL_ScrollBar> m_pHorzScrollBar;
+  std::unique_ptr<CFWL_Caret> m_pCaret;
+  CFX_WideString m_wsCache;
+  CFX_WideString m_wsFont;
+  std::deque<std::unique_ptr<IFDE_TxtEdtDoRecord>> m_DoRecords;
+  int32_t m_iCurRecord;
+  int32_t m_iMaxRecord;
 };
 
 #endif  // XFA_FWL_CORE_CFWL_EDIT_H_