Remove NULL in xfa/

xfa/fwl/basewidget/fwl_datetimepickerimp.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/basewidget/fwl_datetimepickerimp.h"
 
 #include "xfa/fwl/basewidget/fwl_editimp.h"
 #include "xfa/fwl/basewidget/fwl_formproxyimp.h"
@@ skipping 165 matching lines @@
 void CFWL_DateTimeEditImpDelegate::OnProcessMessage(CFWL_Message* pMessage) {
   if (m_pOwner->m_pWidgetMgr->IsFormDisabled()) {
     DisForm_OnProcessMessage(pMessage);
     return;
   }
 
   CFWL_MessageType dwHashCode = pMessage->GetClassID();
   if (dwHashCode == CFWL_MessageType::SetFocus ||
       dwHashCode == CFWL_MessageType::KillFocus) {
     IFWL_Widget* pOuter = m_pOwner->GetOuter();
-    IFWL_WidgetDelegate* pDelegate = pOuter->SetDelegate(NULL);
+    IFWL_WidgetDelegate* pDelegate = pOuter->SetDelegate(nullptr);
     pDelegate->OnProcessMessage(pMessage);
   }
 }
 
 void CFWL_DateTimeEditImpDelegate::DisForm_OnProcessMessage(
     CFWL_Message* pMessage) {
   CFWL_MessageType dwHashCode = pMessage->GetClassID();
   if (m_pOwner->m_pWidgetMgr->IsFormDisabled()) {
     if (dwHashCode == CFWL_MessageType::Mouse) {
       CFWL_MsgMouse* pMouse = static_cast<CFWL_MsgMouse*>(pMessage);
@@ skipping 39 matching lines @@
     : CFWL_MonthCalendarImpDelegate(pOwner), m_pOwner(pOwner) {
   m_bFlag = FALSE;
 }
 
 void CFWL_DateTimeCalendarImpDelegate::OnProcessMessage(
     CFWL_Message* pMessage) {
   CFWL_MessageType dwCode = pMessage->GetClassID();
   if (dwCode == CFWL_MessageType::SetFocus ||
       dwCode == CFWL_MessageType::KillFocus) {
     IFWL_Widget* pOuter = m_pOwner->GetOuter();
-    IFWL_WidgetDelegate* pDelegate = pOuter->SetDelegate(NULL);
+    IFWL_WidgetDelegate* pDelegate = pOuter->SetDelegate(nullptr);
     pDelegate->OnProcessMessage(pMessage);
     return;
   }
   if (dwCode == CFWL_MessageType::Mouse) {
     CFWL_MsgMouse* pMsg = static_cast<CFWL_MsgMouse*>(pMessage);
     if (pMsg->m_dwCmd == FWL_MouseCommand::LeftButtonDown)
       OnLButtonDownEx(pMsg);
     else if (pMsg->m_dwCmd == FWL_MouseCommand::LeftButtonUp)
       OnLButtonUpEx(pMsg);
     return;
@@ skipping 636 matching lines @@
     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();
-    IFWL_WidgetDelegate* pDelegate = m_pEdit->SetDelegate(NULL);
+    IFWL_WidgetDelegate* pDelegate = m_pEdit->SetDelegate(nullptr);
     pDelegate->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 144 matching lines @@
           OnMouseLeave(pMouse);
           break;
         }
         default:
           break;
       }
       break;
     }
     case CFWL_MessageType::Key: {
       if (m_pOwner->m_pEdit->GetStates() & FWL_WGTSTATE_Focused) {
-        IFWL_WidgetDelegate* pDelegate = m_pOwner->m_pEdit->SetDelegate(NULL);
+        IFWL_WidgetDelegate* pDelegate =
+            m_pOwner->m_pEdit->SetDelegate(nullptr);
         pDelegate->OnProcessMessage(pMessage);
         return;
       }
       break;
     }
     default:
       break;
   }
 
   CFWL_WidgetImpDelegate::OnProcessMessage(pMessage);
@@ skipping 78 matching lines @@
   if (bSet) {
     m_pOwner->m_pProperties->m_dwStates |= FWL_WGTSTATE_Focused;
     if (m_pOwner->m_pEdit &&
         !(m_pOwner->m_pEdit->GetStylesEx() & FWL_STYLEEXT_EDT_ReadOnly)) {
       m_pOwner->m_rtBtn.Set(m_pOwner->m_pProperties->m_rtWidget.width, 0,
                             m_pOwner->m_fBtn,
                             m_pOwner->m_pProperties->m_rtWidget.height - 1);
     }
     rtInvalidate = m_pOwner->m_rtBtn;
     pMsg->m_pDstTarget = m_pOwner->m_pEdit.get();
-    IFWL_WidgetDelegate* pDelegate = m_pOwner->m_pEdit->SetDelegate(NULL);
+    IFWL_WidgetDelegate* pDelegate = m_pOwner->m_pEdit->SetDelegate(nullptr);
     pDelegate->OnProcessMessage(pMsg);
   } else {
     m_pOwner->m_pProperties->m_dwStates &= ~FWL_WGTSTATE_Focused;
     m_pOwner->m_rtBtn.Set(0, 0, 0, 0);
     if (m_pOwner->DisForm_IsMonthCalendarShowed()) {
       m_pOwner->ShowMonthCalendar(FALSE);
     }
     if (m_pOwner->m_pEdit->GetStates() & FWL_WGTSTATE_Focused) {
       pMsg->m_pSrcTarget = m_pOwner->m_pEdit.get();
-      IFWL_WidgetDelegate* pDelegate = m_pOwner->m_pEdit->SetDelegate(NULL);
+      IFWL_WidgetDelegate* pDelegate = m_pOwner->m_pEdit->SetDelegate(nullptr);
       pDelegate->OnProcessMessage(pMsg);
     }
   }
   rtInvalidate.Inflate(2, 2);
   m_pOwner->Repaint(&rtInvalidate);
 }
 
 CFWL_DateTimePickerImp::CFWL_MonthCalendarImpDP::CFWL_MonthCalendarImpDP() {
   m_iCurYear = 2010;
   m_iCurMonth = 3;
@@ skipping 13 matching lines @@
 
 int32_t CFWL_DateTimePickerImp::CFWL_MonthCalendarImpDP::GetCurMonth(
     IFWL_Widget* pWidget) {
   return m_iCurMonth;
 }
 
 int32_t CFWL_DateTimePickerImp::CFWL_MonthCalendarImpDP::GetCurYear(
     IFWL_Widget* pWidget) {
   return m_iCurYear;
 }