Merge the CFWL_*Imp classes into the IFWL_* classes.

xfa/fwl/core/ifwl_checkbox.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_BASEWIDGET_IFWL_CHECKBOX_H_
-#define XFA_FWL_BASEWIDGET_IFWL_CHECKBOX_H_
+#ifndef XFA_FWL_CORE_IFWL_CHECKBOX_H_
+#define XFA_FWL_CORE_IFWL_CHECKBOX_H_
 
 #include "xfa/fwl/core/cfwl_event.h"
 #include "xfa/fwl/core/cfwl_widgetimpproperties.h"
 #include "xfa/fwl/core/ifwl_dataprovider.h"
 #include "xfa/fwl/core/ifwl_widget.h"
 
 #define FWL_CLASS_CheckBox L"FWL_CHECKBOX"
 #define FWL_STYLEEXT_CKB_Left (0L << 0)
 #define FWL_STYLEEXT_CKB_Center (1L << 0)
 #define FWL_STYLEEXT_CKB_Right (2L << 0)
@@ skipping 18 matching lines @@
 #define FWL_STYLEEXT_CKB_VLayoutMask (3L << 2)
 #define FWL_STYLEEXT_CKB_ShapeMask (3L << 8)
 #define FWL_STYLEEXT_CKB_SignShapeMask (7L << 10)
 #define FWL_STATE_CKB_Hovered (1 << FWL_WGTSTATE_MAX)
 #define FWL_STATE_CKB_Pressed (1 << (FWL_WGTSTATE_MAX + 1))
 #define FWL_STATE_CKB_Unchecked (0 << (FWL_WGTSTATE_MAX + 2))
 #define FWL_STATE_CKB_Checked (1 << (FWL_WGTSTATE_MAX + 2))
 #define FWL_STATE_CKB_Neutral (2 << (FWL_WGTSTATE_MAX + 2))
 #define FWL_STATE_CKB_CheckMask (3L << (FWL_WGTSTATE_MAX + 2))
 
+class CFWL_CheckBoxImpDelegate;
+class CFWL_MsgMouse;
+class CFWL_WidgetImpProperties;
+class IFWL_Widget;
+
 FWL_EVENT_DEF(CFWL_EvtCkbCheckStateChanged, CFWL_EventType::CheckStateChanged)
 
 class IFWL_CheckBoxDP : public IFWL_DataProvider {
  public:
   virtual FX_FLOAT GetBoxSize(IFWL_Widget* pWidget) = 0;
 };
 
 class IFWL_CheckBox : public IFWL_Widget {
  public:
   static IFWL_CheckBox* Create(const CFWL_WidgetImpProperties& properties,
                                IFWL_Widget* pOuter);
+
+  IFWL_CheckBox(const CFWL_WidgetImpProperties& properties,
+                IFWL_Widget* pOuter);
+  ~IFWL_CheckBox() override;
+
+  // IFWL_Widget
+  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 Update() override;
+  FWL_Error DrawWidget(CFX_Graphics* pGraphics,
+                       const CFX_Matrix* pMatrix = nullptr) override;
   int32_t GetCheckState();
   FWL_Error SetCheckState(int32_t iCheck);
 
  protected:
-  IFWL_CheckBox();
+  friend class CFWL_CheckBoxImpDelegate;
+
+  void Layout();
+  uint32_t GetPartStates();
+  void UpdateTextOutStyles();
+  void NextStates();
+
+  CFX_RectF m_rtClient;
+  CFX_RectF m_rtBox;
+  CFX_RectF m_rtCaption;
+  CFX_RectF m_rtFocus;
+  uint32_t m_dwTTOStyles;
+  int32_t m_iTTOAlign;
+  FX_BOOL m_bBtnDown;
 };
 
-#endif  // XFA_FWL_BASEWIDGET_IFWL_CHECKBOX_H_
+class CFWL_CheckBoxImpDelegate : public CFWL_WidgetImpDelegate {
+ public:
+  CFWL_CheckBoxImpDelegate(IFWL_CheckBox* pOwner);
+
+  void OnProcessMessage(CFWL_Message* pMessage) override;
+  void OnDrawWidget(CFX_Graphics* pGraphics,
+                    const CFX_Matrix* pMatrix = nullptr) override;
+
+ protected:
+  void OnActivate(CFWL_Message* pMsg);
+  void OnFocusChanged(CFWL_Message* pMsg, FX_BOOL bSet = TRUE);
+  void OnLButtonDown(CFWL_MsgMouse* pMsg);
+  void OnLButtonUp(CFWL_MsgMouse* pMsg);
+  void OnMouseMove(CFWL_MsgMouse* pMsg);
+  void OnMouseLeave(CFWL_MsgMouse* pMsg);
+  void OnKeyDown(CFWL_MsgKey* pMsg);
+
+  IFWL_CheckBox* m_pOwner;
+};
+
+#endif  // XFA_FWL_CORE_IFWL_CHECKBOX_H_