Unify the three CFWL_EventType::SelectChange classes.

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"
@@ skipping 16 matching lines @@
 #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 IFWL_DateTimeEdit;
 class IFWL_FormProxy;
 
-FWL_EVENT_DEF(CFWL_Event_DtpSelectChanged,
-              CFWL_EventType::SelectChanged,
-              int32_t iYear;
-              int32_t iMonth;
-              int32_t iDay;)
-
 class IFWL_DateTimePickerDP : public IFWL_DataProvider {
  public:
   virtual void GetToday(IFWL_Widget* pWidget,
                         int32_t& iYear,
                         int32_t& iMonth,
                         int32_t& iDay) = 0;
 };
 
 class IFWL_DateTimePicker : public IFWL_Widget, public IFWL_MonthCalendarDP {
  public:
@@ skipping 82 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_