Merge IFWL and CFWL classes.

xfa/fwl/core/cfwl_datetimepicker.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_DATETIMEPICKER_H_
 #define XFA_FWL_CORE_CFWL_DATETIMEPICKER_H_
 
+#include <memory>
+
+#include "xfa/fwl/core/cfwl_datetimeedit.h"
+#include "xfa/fwl/core/cfwl_event.h"
+#include "xfa/fwl/core/cfwl_monthcalendar.h"
 #include "xfa/fwl/core/cfwl_widget.h"
-#include "xfa/fwl/core/ifwl_datetimepicker.h"
+#include "xfa/fwl/core/cfwl_widgetproperties.h"
+
+#define FWL_STYLEEXT_DTP_AllowEdit (1L << 0)
+#define FWL_STYLEEXT_DTP_LongDateFormat (0L << 1)
+#define FWL_STYLEEXT_DTP_ShortDateFormat (1L << 1)
+#define FWL_STYLEEXT_DTP_TimeFormat (2L << 1)
+#define FWL_STYLEEXT_DTP_Spin (1L << 3)
+#define FWL_STYLEEXT_DTP_EditHNear (0L << 4)
+#define FWL_STYLEEXT_DTP_EditHCenter (1L << 4)
+#define FWL_STYLEEXT_DTP_EditHFar (2L << 4)
+#define FWL_STYLEEXT_DTP_EditVNear (0L << 6)
+#define FWL_STYLEEXT_DTP_EditVCenter (1L << 6)
+#define FWL_STYLEEXT_DTP_EditVFar (2L << 6)
+#define FWL_STYLEEXT_DTP_EditJustified (1L << 8)
+#define FWL_STYLEEXT_DTP_EditDistributed (2L << 8)
+#define FWL_STYLEEXT_DTP_EditHAlignMask (3L << 4)
+#define FWL_STYLEEXT_DTP_EditVAlignMask (3L << 6)
+#define FWL_STYLEEXT_DTP_EditHAlignModeMask (3L << 8)
+
+class CFWL_DateTimeEdit;
+class CFWL_FormProxy;
 
 class CFWL_DateTimePicker : public CFWL_Widget {
  public:
   explicit CFWL_DateTimePicker(const CFWL_App* pApp);
   ~CFWL_DateTimePicker() 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 DrawWidget(CFX_Graphics* pGraphics,
+                  const CFX_Matrix* pMatrix = nullptr) override;
+  void SetThemeProvider(IFWL_ThemeProvider* pTP) override;
+  void OnProcessMessage(CFWL_Message* pMessage) override;
+  void OnDrawWidget(CFX_Graphics* pGraphics,
+                    const CFX_Matrix* pMatrix) override;
 
-  void GetEditText(CFX_WideString& wsText);
+  void GetCurSel(int32_t& iYear, int32_t& iMonth, int32_t& iDay);
+  void SetCurSel(int32_t iYear, int32_t iMonth, int32_t iDay);
+
   void SetEditText(const CFX_WideString& wsText);
+  void GetEditText(CFX_WideString& wsText,
+                   int32_t nStart = 0,
+                   int32_t nCount = -1) const;
 
-  int32_t CountSelRanges();
-  int32_t GetSelRange(int32_t nIndex, int32_t& nStart);
+  int32_t CountSelRanges() const { return m_pEdit->CountSelRanges(); }
+  int32_t GetSelRange(int32_t nIndex, int32_t& nStart) const {
+    return m_pEdit->GetSelRange(nIndex, nStart);
+  }
 
-  void SetCurSel(int32_t iYear, int32_t iMonth, int32_t iDay);
-  void GetBBox(CFX_RectF& rect);
-  void SetEditLimit(int32_t nLimit);
+  void GetBBox(CFX_RectF& rect) const;
+  void SetEditLimit(int32_t nLimit) { m_pEdit->SetLimit(nLimit); }
   void ModifyEditStylesEx(uint32_t dwStylesExAdded, uint32_t dwStylesExRemoved);
+
+  bool IsMonthCalendarVisible() const;
+  void ShowMonthCalendar(bool bActivate);
+  void ProcessSelChanged(int32_t iYear, int32_t iMonth, int32_t iDay);
+
+  CFWL_FormProxy* GetFormProxy() const { return m_pForm.get(); }
+
+ private:
+  void DrawDropDownButton(CFX_Graphics* pGraphics,
+                          IFWL_ThemeProvider* pTheme,
+                          const CFX_Matrix* pMatrix);
+  void FormatDateString(int32_t iYear,
+                        int32_t iMonth,
+                        int32_t iDay,
+                        CFX_WideString& wsText);
+  void ResetEditAlignment();
+  void InitProxyForm();
+
+  bool DisForm_IsMonthCalendarVisible() const;
+  void DisForm_ShowMonthCalendar(bool bActivate);
+  FWL_WidgetHit DisForm_HitTest(FX_FLOAT fx, FX_FLOAT fy) const;
+  bool DisForm_IsNeedShowButton() const;
+  void DisForm_Update();
+  void DisForm_GetWidgetRect(CFX_RectF& rect, bool bAutoSize = false);
+  void DisForm_GetBBox(CFX_RectF& rect) const;
+  void DisForm_DrawWidget(CFX_Graphics* pGraphics,
+                          const CFX_Matrix* pMatrix = nullptr);
+  void DisForm_OnFocusChanged(CFWL_Message* pMsg, bool bSet);
+  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);
+
+  CFX_RectF m_rtBtn;
+  CFX_RectF m_rtClient;
+  int32_t m_iBtnState;
+  int32_t m_iYear;
+  int32_t m_iMonth;
+  int32_t m_iDay;
+  bool m_bLBtnDown;
+  std::unique_ptr<CFWL_DateTimeEdit> m_pEdit;
+  std::unique_ptr<CFWL_MonthCalendar> m_pMonthCal;
+  std::unique_ptr<CFWL_FormProxy> m_pForm;
+  FX_FLOAT m_fBtn;
 };
 
 #endif  // XFA_FWL_CORE_CFWL_DATETIMEPICKER_H_