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_Event::Type::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 134 matching lines @@
   m_iYear = iYear;
   m_iMonth = iMonth;
   m_iDay = iDay;
 
   CFX_WideString wsText;
   FormatDateString(m_iYear, m_iMonth, m_iDay, wsText);
   m_pEdit->SetText(wsText);
   m_pEdit->Update();
   Repaint(&m_rtClient);
 
-  CFWL_EvtSelectChanged ev;
-  ev.m_pSrcTarget = this;
+  CFWL_EvtSelectChanged ev(this);
   ev.iYear = m_iYear;
   ev.iMonth = m_iMonth;
   ev.iDay = m_iDay;
   DispatchEvent(&ev);
 }
 
 void CFWL_DateTimePicker::InitProxyForm() {
   if (m_pForm)
     return;
   if (!m_pMonthCal)
@@ skipping 30 matching lines @@
     rtMonthCal.top = rtAnchor.Height();
     GetPopupPos(fPopupMin, fPopupMax, rtAnchor, rtMonthCal);
     m_pMonthCal->SetWidgetRect(rtMonthCal);
     if (m_iYear > 0 && m_iMonth > 0 && m_iDay > 0)
       m_pMonthCal->SetSelect(m_iYear, m_iMonth, m_iDay);
     m_pMonthCal->Update();
   }
   m_pMonthCal->SetStates(FWL_WGTSTATE_Invisible, !bActivate);
 
   if (bActivate) {
-    CFWL_MsgSetFocus msg;
-    msg.m_pDstTarget = m_pMonthCal.get();
-    msg.m_pSrcTarget = m_pEdit.get();
+    CFWL_MsgSetFocus msg(m_pEdit.get(), m_pMonthCal.get());
     m_pEdit->GetDelegate()->OnProcessMessage(&msg);
   }
 
   CFX_RectF rtInvalidate, rtCal;
   rtInvalidate.Set(0, 0, m_pProperties->m_rtWidget.width,
                    m_pProperties->m_rtWidget.height);
   m_pMonthCal->GetWidgetRect(rtCal);
   rtInvalidate.Union(rtCal);
   rtInvalidate.Inflate(2, 2);
   Repaint(&rtInvalidate);
@@ skipping 98 matching lines @@
   mt.Set(1, 0, 0, 1, rtMonth.left, rtMonth.top);
   if (pMatrix)
     mt.Concat(*pMatrix);
   m_pMonthCal->DrawWidget(pGraphics, &mt);
 }
 
 void CFWL_DateTimePicker::OnProcessMessage(CFWL_Message* pMessage) {
   if (!pMessage)
     return;
 
-  switch (pMessage->GetClassID()) {
-    case CFWL_MessageType::SetFocus:
+  switch (pMessage->GetType()) {
+    case CFWL_Message::Type::SetFocus:
       OnFocusChanged(pMessage, true);
       break;
-    case CFWL_MessageType::KillFocus:
+    case CFWL_Message::Type::KillFocus:
       OnFocusChanged(pMessage, false);
       break;
-    case CFWL_MessageType::Mouse: {
+    case CFWL_Message::Type::Mouse: {
       CFWL_MsgMouse* pMouse = static_cast<CFWL_MsgMouse*>(pMessage);
       switch (pMouse->m_dwCmd) {
         case FWL_MouseCommand::LeftButtonDown:
           OnLButtonDown(pMouse);
           break;
         case FWL_MouseCommand::LeftButtonUp:
           OnLButtonUp(pMouse);
           break;
         case FWL_MouseCommand::Move:
           OnMouseMove(pMouse);
           break;
         case FWL_MouseCommand::Leave:
           OnMouseLeave(pMouse);
           break;
         default:
           break;
       }
       break;
     }
-    case CFWL_MessageType::Key: {
+    case CFWL_Message::Type::Key: {
       if (m_pEdit->GetStates() & FWL_WGTSTATE_Focused) {
         m_pEdit->GetDelegate()->OnProcessMessage(pMessage);
         return;
       }
       break;
     }
     default:
       break;
   }
 
@@ skipping 86 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);
 }