Merge IFWL and CFWL classes.

xfa/fwl/core/cfwl_pushbutton.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_PUSHBUTTON_H_
 #define XFA_FWL_CORE_CFWL_PUSHBUTTON_H_
 
+#include <memory>
+
 #include "xfa/fwl/core/cfwl_widget.h"
-#include "xfa/fwl/core/ifwl_pushbutton.h"
+#include "xfa/fwl/core/cfwl_widgetproperties.h"
+
+#define FWL_STYLEEXT_PSB_Left (0L << 0)
+#define FWL_STYLEEXT_PSB_Center (1L << 0)
+#define FWL_STYLEEXT_PSB_Right (2L << 0)
+#define FWL_STYLEEXT_PSB_Top (0L << 2)
+#define FWL_STYLEEXT_PSB_VCenter (1L << 2)
+#define FWL_STYLEEXT_PSB_Bottom (2L << 2)
+#define FWL_STYLEEXT_PSB_TextOnly (0L << 4)
+#define FWL_STYLEEXT_PSB_IconOnly (1L << 4)
+#define FWL_STYLEEXT_PSB_TextIcon (2L << 4)
+#define FWL_STYLEEXT_PSB_HLayoutMask (3L << 0)
+#define FWL_STYLEEXT_PSB_VLayoutMask (3L << 2)
+#define FWL_STYLEEXT_PSB_ModeMask (3L << 4)
+#define FWL_STATE_PSB_Hovered (1 << FWL_WGTSTATE_MAX)
+#define FWL_STATE_PSB_Pressed (1 << (FWL_WGTSTATE_MAX + 1))
+#define FWL_STATE_PSB_Default (1 << (FWL_WGTSTATE_MAX + 2))
+
+class CFWL_MsgMouse;
+class CFX_DIBitmap;
+class CFWL_Widget;
 
 class CFWL_PushButton : public CFWL_Widget {
  public:
   explicit CFWL_PushButton(const CFWL_App*);
   ~CFWL_PushButton() override;
 
-  void Initialize();
+  // CFWL_Widget
+  FWL_Type GetClassID() const override;
+  void GetWidgetRect(CFX_RectF& rect, bool bAutoSize = false) override;
+  void SetStates(uint32_t dwStates, bool bSet = true) override;
+  void Update() override;
+  void DrawWidget(CFX_Graphics* pGraphics,
+                  const CFX_Matrix* pMatrix = nullptr) override;
+  void OnProcessMessage(CFWL_Message* pMessage) override;
+  void OnDrawWidget(CFX_Graphics* pGraphics,
+                    const CFX_Matrix* pMatrix) override;
+
+ private:
+  void DrawBkground(CFX_Graphics* pGraphics,
+                    IFWL_ThemeProvider* pTheme,
+                    const CFX_Matrix* pMatrix);
+  uint32_t GetPartStates();
+  void UpdateTextOutStyles();
+  void OnFocusChanged(CFWL_Message* pMsg, bool bSet);
+  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);
+
+  CFX_RectF m_rtClient;
+  CFX_RectF m_rtCaption;
+  bool m_bBtnDown;
+  uint32_t m_dwTTOStyles;
+  int32_t m_iTTOAlign;
 };
 
 #endif  // XFA_FWL_CORE_CFWL_PUSHBUTTON_H_