Merge delegates into IFWL_* classes.

xfa/fwl/core/ifwl_combobox.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_IFWL_COMBOBOX_H_
 #define XFA_FWL_CORE_IFWL_COMBOBOX_H_
 
 #include "xfa/fwl/core/ifwl_form.h"
 #include "xfa/fwl/core/ifwl_listbox.h"
 #include "xfa/fxgraphics/cfx_graphics.h"
 
-class CFWL_ComboBoxImpDelegate;
-class CFWL_ComboEditImpDelegate;
-class CFWL_ComboListImpDelegate;
-class CFWL_ComboProxyImpDelegate;
-class CFWL_ListBoxImpDelegate;
 class CFWL_WidgetImpProperties;
-class CFWL_WidgetImpDelegate;
 class IFWL_ComboBox;
+class IFWL_ComboBoxProxy;
 class IFWL_ComboEdit;
 class IFWL_ComboList;
 class IFWL_FormProxy;
 class IFWL_ListBox;
 class IFWL_Widget;
 
 #define FWL_STYLEEXT_CMB_DropList (0L << 0)
 #define FWL_STYLEEXT_CMB_DropDown (1L << 0)
 #define FWL_STYLEEXT_CMB_Sort (1L << 1)
 #define FWL_STYLEEXT_CMB_ListDrag (1L << 2)
@@ skipping 60 matching lines @@
   FWL_Type GetClassID() const override;
   FWL_Error GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize = FALSE) override;
   FWL_Error ModifyStylesEx(uint32_t dwStylesExAdded,
                            uint32_t dwStylesExRemoved) override;
   void SetStates(uint32_t dwStates, FX_BOOL bSet = TRUE) override;
   FWL_Error Update() override;
   FWL_WidgetHit HitTest(FX_FLOAT fx, FX_FLOAT fy) override;
   FWL_Error DrawWidget(CFX_Graphics* pGraphics,
                        const CFX_Matrix* pMatrix = nullptr) override;
   FWL_Error 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;
 
   int32_t GetCurSel();
   FWL_Error SetCurSel(int32_t iSel);
   FWL_Error SetEditText(const CFX_WideString& wsText);
   int32_t GetEditTextLength() const;
   FWL_Error GetEditText(CFX_WideString& wsText,
                         int32_t nStart = 0,
                         int32_t nCount = -1) const;
   FWL_Error SetEditSelRange(int32_t nStart, int32_t nCount = -1);
   int32_t GetEditSelRange(int32_t nIndex, int32_t& nStart);
@@ skipping 15 matching lines @@
   FX_BOOL EditCopy(CFX_WideString& wsCopy);
   FX_BOOL EditCut(CFX_WideString& wsCut);
   FX_BOOL EditPaste(const CFX_WideString& wsPaste);
   FX_BOOL EditSelectAll();
   FX_BOOL EditDelete();
   FX_BOOL EditDeSelect();
   FWL_Error GetBBox(CFX_RectF& rect);
   FWL_Error EditModifyStylesEx(uint32_t dwStylesExAdded,
                                uint32_t dwStylesExRemoved);
 
+  void DrawStretchHandler(CFX_Graphics* pGraphics, const CFX_Matrix* pMatrix);
+  FX_BOOL IsDropListShowed();
+  void ShowDropList(FX_BOOL bActivate);
+
+  IFWL_ComboEdit* GetComboEdit() const { return m_pEdit.get(); }
+  void ProcessSelChanged(FX_BOOL bLButtonUp);
+  int32_t GetCurrentSelection() const { return m_iCurSel; }
+
  protected:
-  friend class CFWL_ComboBoxImpDelegate;
-  friend class CFWL_ComboEditImpDelegate;
-  friend class CFWL_ComboListImpDelegate;
-  friend class CFWL_ComboProxyImpDelegate;
-  friend class IFWL_ComboEdit;
-  friend class IFWL_ComboList;
-
-  void DrawStretchHandler(CFX_Graphics* pGraphics, const CFX_Matrix* pMatrix);
   FX_FLOAT GetListHeight();
-  void ShowDropList(FX_BOOL bActivate);
-  FX_BOOL IsDropListShowed();
   FX_BOOL IsDropDownStyle() const;
   void MatchEditText();
   void SynchrEditText(int32_t iListItem);
   void Layout();
   void ReSetTheme();
   void ReSetEditAlignment();
   void ReSetListItemAlignment();
-  void ProcessSelChanged(FX_BOOL bLButtonUp);
   void InitProxyForm();
   void DisForm_InitComboList();
   void DisForm_InitComboEdit();
   void DisForm_ShowDropList(FX_BOOL bActivate);
   FX_BOOL DisForm_IsDropListShowed();
   FWL_Error DisForm_ModifyStylesEx(uint32_t dwStylesExAdded,
                                    uint32_t dwStylesExRemoved);
   FWL_Error DisForm_Update();
   FWL_WidgetHit DisForm_HitTest(FX_FLOAT fx, FX_FLOAT fy);
   FWL_Error DisForm_DrawWidget(CFX_Graphics* pGraphics,
                                const CFX_Matrix* pMatrix = nullptr);
   FWL_Error DisForm_GetBBox(CFX_RectF& rect);
   void DisForm_Layout();
 
   CFX_RectF m_rtClient;
   CFX_RectF m_rtContent;
   CFX_RectF m_rtBtn;
   CFX_RectF m_rtList;
   CFX_RectF m_rtProxy;
   CFX_RectF m_rtHandler;
   std::unique_ptr<IFWL_ComboEdit> m_pEdit;
   std::unique_ptr<IFWL_ComboList> m_pListBox;
-  IFWL_FormProxy* m_pForm;
+  IFWL_ComboBoxProxy* m_pComboBoxProxy;
   FX_BOOL m_bLButtonDown;
   FX_BOOL m_bUpFormHandler;
   int32_t m_iCurSel;
   int32_t m_iBtnState;
   FX_FLOAT m_fComboFormHandler;
   FX_FLOAT m_fItemHeight;
   FX_BOOL m_bNeedShowList;
-  CFWL_ComboProxyImpDelegate* m_pListProxyDelegate;
-};
 
-class CFWL_ComboBoxImpDelegate : public CFWL_WidgetImpDelegate {
- public:
-  CFWL_ComboBoxImpDelegate(IFWL_ComboBox* 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:
+ private:
   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 OnKey(CFWL_MsgKey* pMsg);
   void DoSubCtrlKey(CFWL_MsgKey* pMsg);
   void DisForm_OnProcessMessage(CFWL_Message* pMessage);
   void DisForm_OnLButtonDown(CFWL_MsgMouse* pMsg);
   void DisForm_OnFocusChanged(CFWL_Message* pMsg, FX_BOOL bSet = TRUE);
   void DisForm_OnKey(CFWL_MsgKey* pMsg);
 
-  IFWL_ComboBox* m_pOwner;
-  friend class CFWL_ComboEditImpDelegate;
-  friend class CFWL_ComboListImpDelegate;
-};
-
-class CFWL_ComboProxyImpDelegate : public CFWL_WidgetImpDelegate {
- public:
-  CFWL_ComboProxyImpDelegate(IFWL_Form* pForm, IFWL_ComboBox* pComboBox);
-  void OnProcessMessage(CFWL_Message* pMessage) override;
-  void OnDrawWidget(CFX_Graphics* pGraphics,
-                    const CFX_Matrix* pMatrix = nullptr) override;
-  void Reset() { m_bLButtonUpSelf = FALSE; }
-
- protected:
-  void OnLButtonDown(CFWL_MsgMouse* pMsg);
-  void OnLButtonUp(CFWL_MsgMouse* pMsg);
-  void OnMouseMove(CFWL_MsgMouse* pMsg);
-  void OnDeactive(CFWL_MsgDeactivate* pMsg);
-  void OnFocusChanged(CFWL_MsgKillFocus* pMsg, FX_BOOL bSet);
-  FX_BOOL m_bLButtonDown;
-  FX_BOOL m_bLButtonUpSelf;
-  FX_FLOAT m_fStartPos;
-  IFWL_Form* m_pForm;
-  IFWL_ComboBox* m_pComboBox;
 };
 
 #endif  // XFA_FWL_CORE_IFWL_COMBOBOX_H_