Split fwl/core class pt I.

xfa/fwl/core/ifwl_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_IFWL_DATETIMEPICKER_H_
 #define XFA_FWL_CORE_IFWL_DATETIMEPICKER_H_
 
 #include "xfa/fwl/core/cfwl_event.h"
 #include "xfa/fwl/core/cfwl_widgetproperties.h"
 #include "xfa/fwl/core/ifwl_dataprovider.h"
 #include "xfa/fwl/core/ifwl_datetimeedit.h"
 #include "xfa/fwl/core/ifwl_monthcalendar.h"
+#include "xfa/fwl/core/ifwl_monthcalendardp.h"
 #include "xfa/fwl/core/ifwl_widget.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)
@@ skipping 104 matching lines @@
   int32_t m_iCurMonth;
   int32_t m_iCurDay;
   bool m_bLBtnDown;
   std::unique_ptr<IFWL_DateTimeEdit> m_pEdit;
   std::unique_ptr<IFWL_MonthCalendar> m_pMonthCal;
   std::unique_ptr<IFWL_FormProxy> m_pForm;
   FX_FLOAT m_fBtn;
 };
 
 #endif  // XFA_FWL_CORE_IFWL_DATETIMEPICKER_H_