Cleanup FWL Event and Message code.

xfa/fxfa/app/xfa_fftextedit.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/fxfa/app/xfa_fftextedit.h"
 
 #include <vector>
 
@@ skipping 99 matching lines @@
                                     FX_FLOAT fy) {
   if (!PtInActiveRect(fx, fy)) {
     return false;
   }
   if (!IsFocused()) {
     m_dwStatus |= XFA_WidgetStatus_Focused;
     UpdateFWLData();
     AddInvalidateRect();
   }
   SetButtonDown(true);
-  CFWL_MsgMouse ms;
+  CFWL_MsgMouse ms(nullptr, m_pNormalWidget);
   ms.m_dwCmd = FWL_MouseCommand::LeftButtonDown;
   ms.m_dwFlags = dwFlags;
   ms.m_fx = fx;
   ms.m_fy = fy;
-  ms.m_pDstTarget = m_pNormalWidget;
   FWLToClient(ms.m_fx, ms.m_fy);
   TranslateFWLMessage(&ms);
   return true;
 }
 bool CXFA_FFTextEdit::OnRButtonDown(uint32_t dwFlags,
                                     FX_FLOAT fx,
                                     FX_FLOAT fy) {
   if (m_pDataAcc->GetAccess() != XFA_ATTRIBUTEENUM_Open) {
     return false;
   }
   if (!PtInActiveRect(fx, fy)) {
     return false;
   }
   if (!IsFocused()) {
     m_dwStatus |= XFA_WidgetStatus_Focused;
     UpdateFWLData();
     AddInvalidateRect();
   }
   SetButtonDown(true);
-  CFWL_MsgMouse ms;
+  CFWL_MsgMouse ms(nullptr, nullptr);
   ms.m_dwCmd = FWL_MouseCommand::RightButtonDown;
   ms.m_dwFlags = dwFlags;
   ms.m_fx = fx;
   ms.m_fy = fy;
   FWLToClient(ms.m_fx, ms.m_fy);
   TranslateFWLMessage(&ms);
   return true;
 }
 bool CXFA_FFTextEdit::OnRButtonUp(uint32_t dwFlags, FX_FLOAT fx, FX_FLOAT fy) {
   if (!CXFA_FFField::OnRButtonUp(dwFlags, fx, fy))
     return false;
 
   GetDoc()->GetDocEnvironment()->PopupMenu(this, CFX_PointF(fx, fy));
   return true;
 }
 bool CXFA_FFTextEdit::OnSetFocus(CXFA_FFWidget* pOldWidget) {
   m_dwStatus &= ~XFA_WidgetStatus_TextEditValueChanged;
   if (!IsFocused()) {
     m_dwStatus |= XFA_WidgetStatus_Focused;
     UpdateFWLData();
     AddInvalidateRect();
   }
   CXFA_FFWidget::OnSetFocus(pOldWidget);
-  CFWL_MsgSetFocus ms;
-  ms.m_pDstTarget = m_pNormalWidget;
-  ms.m_pSrcTarget = nullptr;
+  CFWL_MsgSetFocus ms(nullptr, m_pNormalWidget);
   TranslateFWLMessage(&ms);
   return true;
 }
 bool CXFA_FFTextEdit::OnKillFocus(CXFA_FFWidget* pNewWidget) {
-  CFWL_MsgKillFocus ms;
-  ms.m_pDstTarget = m_pNormalWidget;
-  ms.m_pSrcTarget = nullptr;
+  CFWL_MsgKillFocus ms(nullptr, m_pNormalWidget);
   TranslateFWLMessage(&ms);
   m_dwStatus &= ~XFA_WidgetStatus_Focused;
   SetEditScrollOffset();
   ProcessCommittedData();
   UpdateFWLData();
   AddInvalidateRect();
   CXFA_FFWidget::OnKillFocus(pNewWidget);
   m_dwStatus &= ~XFA_WidgetStatus_TextEditValueChanged;
   return true;
 }
@@ skipping 142 matching lines @@
     return true;
   return false;
 }
 
 void CXFA_FFTextEdit::OnProcessMessage(CFWL_Message* pMessage) {
   m_pOldDelegate->OnProcessMessage(pMessage);
 }
 
 void CXFA_FFTextEdit::OnProcessEvent(CFWL_Event* pEvent) {
   CXFA_FFField::OnProcessEvent(pEvent);
-  switch (pEvent->GetClassID()) {
-    case CFWL_EventType::TextChanged: {
+  switch (pEvent->GetType()) {
+    case CFWL_Event::Type::TextChanged: {
       CFWL_EvtTextChanged* event = static_cast<CFWL_EvtTextChanged*>(pEvent);
       CFX_WideString wsChange;
       OnTextChanged(m_pNormalWidget, wsChange, event->wsPrevText);
       break;
     }
-    case CFWL_EventType::TextFull: {
+    case CFWL_Event::Type::TextFull: {
       OnTextFull(m_pNormalWidget);
       break;
     }
-    case CFWL_EventType::CheckWord: {
+    case CFWL_Event::Type::CheckWord: {
       CFX_WideString wstr(L"FWL_EVENT_DTP_SelectChanged");
       CFWL_EvtCheckWord* event = static_cast<CFWL_EvtCheckWord*>(pEvent);
       event->bCheckWord = CheckWord(event->bsWord.AsStringC());
       break;
     }
     default:
       break;
   }
   m_pOldDelegate->OnProcessEvent(pEvent);
 }
@@ skipping 48 matching lines @@
   }
   dwExtendedStyle |= GetAlignment();
   if (m_pDataAcc->GetAccess() != XFA_ATTRIBUTEENUM_Open ||
       !m_pDataAcc->GetDoc()->GetXFADoc()->IsInteractive()) {
     dwExtendedStyle |= FWL_STYLEEXT_EDT_ReadOnly;
   }
   m_pNormalWidget->ModifyStylesEx(dwExtendedStyle, 0xFFFFFFFF);
 }
 
 void CXFA_FFNumericEdit::OnProcessEvent(CFWL_Event* pEvent) {
-  if (pEvent->GetClassID() == CFWL_EventType::Validate) {
+  if (pEvent->GetType() == CFWL_Event::Type::Validate) {
     CFWL_EvtValidate* event = static_cast<CFWL_EvtValidate*>(pEvent);
     event->bValidate = OnValidate(m_pNormalWidget, event->wsInsert);
     return;
   }
   CXFA_FFTextEdit::OnProcessEvent(pEvent);
 }
 
 bool CXFA_FFNumericEdit::OnValidate(CFWL_Widget* pWidget,
                                     CFX_WideString& wsText) {
   CFX_WideString wsPattern;
@@ skipping 244 matching lines @@
   pDateTime->Update();
   GetDoc()->GetDocEnvironment()->SetFocusWidget(GetDoc(), nullptr);
   CXFA_EventParam eParam;
   eParam.m_eType = XFA_EVENT_Change;
   eParam.m_pTarget = m_pDataAcc;
   m_pDataAcc->GetValue(eParam.m_wsNewText, XFA_VALUEPICTURE_Raw);
   m_pDataAcc->ProcessEvent(XFA_ATTRIBUTEENUM_Change, &eParam);
 }
 
 void CXFA_FFDateTimeEdit::OnProcessEvent(CFWL_Event* pEvent) {
-  if (pEvent->GetClassID() == CFWL_EventType::SelectChanged) {
+  if (pEvent->GetType() == CFWL_Event::Type::SelectChanged) {
     CFWL_EvtSelectChanged* event = static_cast<CFWL_EvtSelectChanged*>(pEvent);
     OnSelectChanged(m_pNormalWidget, event->iYear, event->iMonth, event->iDay);
     return;
   }
   CXFA_FFTextEdit::OnProcessEvent(pEvent);
 }