Cleanup FWL Event and Message code.

xfa/fwl/core/cfwl_datetimepicker.cpp

 // 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
 
 #include "xfa/fwl/core/cfwl_datetimepicker.h"
 
 #include <memory>
 #include <utility>
 
 #include "third_party/base/ptr_util.h"
-#include "xfa/fwl/core/cfwl_evteditchanged.h"
+#include "xfa/fwl/core/cfwl_event.h"
 #include "xfa/fwl/core/cfwl_evtselectchanged.h"
 #include "xfa/fwl/core/cfwl_formproxy.h"
 #include "xfa/fwl/core/cfwl_msgmouse.h"
 #include "xfa/fwl/core/cfwl_msgsetfocus.h"
 #include "xfa/fwl/core/cfwl_notedriver.h"
 #include "xfa/fwl/core/cfwl_spinbutton.h"
 #include "xfa/fwl/core/cfwl_themebackground.h"
 #include "xfa/fwl/core/cfwl_widgetmgr.h"
 #include "xfa/fwl/core/ifwl_themeprovider.h"
 
@@ skipping 161 matching lines @@
   m_pMonthCal->SetSelect(iYear, iMonth, iDay);
 }
 
 void CFWL_DateTimePicker::SetEditText(const CFX_WideString& wsText) {
   if (!m_pEdit)
     return;
 
   m_pEdit->SetText(wsText);
   Repaint(&m_rtClient);
 
-  CFWL_EvtEditChanged ev;
+  CFWL_Event ev(CFWL_EventType::EditChanged);
   DispatchEvent(&ev);
 }
 
 CFX_WideString CFWL_DateTimePicker::GetEditText(int32_t nStart,
                                                 int32_t nCount) const {
   return m_pEdit ? m_pEdit->GetText(nStart, nCount) : L"";
 }
 
 void CFWL_DateTimePicker::GetBBox(CFX_RectF& rect) const {
   if (m_pWidgetMgr->IsFormDisabled()) {
@@ skipping 441 matching lines @@
     if (DisForm_IsMonthCalendarVisible())
       ShowMonthCalendar(false);
     if (m_pEdit->GetStates() & FWL_WGTSTATE_Focused) {
       pMsg->m_pSrcTarget = m_pEdit.get();
       m_pEdit->GetDelegate()->OnProcessMessage(pMsg);
     }
   }
   rtInvalidate.Inflate(2, 2);
   Repaint(&rtInvalidate);
 }