Remove FWL_WGTHITTEST_* defines in favour of enum class.

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 519 matching lines @@
   }
   CFX_RectF rtMonthCal;
   m_pMonthCal->GetWidgetRect(rtMonthCal, TRUE);
   CFX_RectF rtPopUp;
   rtPopUp.Set(rtMonthCal.left, rtMonthCal.top + FWL_DTP_HEIGHT,
               rtMonthCal.width, rtMonthCal.height);
   m_pMonthCal->SetWidgetRect(rtPopUp);
   m_pMonthCal->Update();
   return FWL_ERR_Succeeded;
 }
-uint32_t CFWL_DateTimePickerImp::HitTest(FX_FLOAT fx, FX_FLOAT fy) {
-  if (m_pWidgetMgr->IsFormDisabled()) {
+FWL_WidgetHit CFWL_DateTimePickerImp::HitTest(FX_FLOAT fx, FX_FLOAT fy) {
+  if (m_pWidgetMgr->IsFormDisabled())
     return DisForm_HitTest(fx, fy);
-  }
-  if (m_rtClient.Contains(fx, fy)) {
-    return FWL_WGTHITTEST_Client;
-  }
+  if (m_rtClient.Contains(fx, fy))
+    return FWL_WidgetHit::Client;
   if (IsMonthCalendarShowed()) {
     CFX_RectF rect;
     m_pMonthCal->GetWidgetRect(rect);
-    if (rect.Contains(fx, fy)) {
-      return FWL_WGTHITTEST_Client;
-    }
+    if (rect.Contains(fx, fy))
+      return FWL_WidgetHit::Client;
   }
-  return FWL_WGTHITTEST_Unknown;
+  return FWL_WidgetHit::Unknown;
 }
 FWL_ERR CFWL_DateTimePickerImp::DrawWidget(CFX_Graphics* pGraphics,
                                            const CFX_Matrix* pMatrix) {
   if (!pGraphics)
     return FWL_ERR_Indefinite;
   if (!m_pProperties->m_pThemeProvider)
     return FWL_ERR_Indefinite;
   IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider;
   if (HasBorder()) {
     DrawBorder(pGraphics, CFWL_Part::Border, pTheme, pMatrix);
@@ skipping 335 matching lines @@
     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);
 }
-uint32_t CFWL_DateTimePickerImp::DisForm_HitTest(FX_FLOAT fx, FX_FLOAT fy) {
+FWL_WidgetHit CFWL_DateTimePickerImp::DisForm_HitTest(FX_FLOAT fx,
+                                                      FX_FLOAT fy) {
   CFX_RectF rect;
   rect.Set(0, 0, m_pProperties->m_rtWidget.width,
            m_pProperties->m_rtWidget.height);
-  if (rect.Contains(fx, fy)) {
-    return FWL_WGTHITTEST_Edit;
-  }
-  if (DisForm_IsNeedShowButton()) {
+  if (rect.Contains(fx, fy))
+    return FWL_WidgetHit::Edit;
+  if (DisForm_IsNeedShowButton())
     rect.width += m_fBtn;
-  }
-  if (rect.Contains(fx, fy)) {
-    return FWL_WGTHITTEST_Client;
-  }
+  if (rect.Contains(fx, fy))
+    return FWL_WidgetHit::Client;
   if (IsMonthCalendarShowed()) {
     m_pMonthCal->GetWidgetRect(rect);
-    if (rect.Contains(fx, fy)) {
-      return FWL_WGTHITTEST_Client;
-    }
+    if (rect.Contains(fx, fy))
+      return FWL_WidgetHit::Client;
   }
-  return FWL_WGTHITTEST_Unknown;
+  return FWL_WidgetHit::Unknown;
 }
 FX_BOOL CFWL_DateTimePickerImp::DisForm_IsNeedShowButton() {
   FX_BOOL bFocus = m_pProperties->m_dwStates & FWL_WGTSTATE_Focused ||
                    m_pMonthCal->GetStates() & FWL_WGTSTATE_Focused ||
                    m_pEdit->GetStates() & FWL_WGTSTATE_Focused;
   return bFocus;
 }
 FWL_ERR CFWL_DateTimePickerImp::DisForm_Update() {
   if (m_iLock) {
     return FWL_ERR_Indefinite;
@@ skipping 230 matching lines @@
     }
     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);
       pDelegate->OnProcessMessage(pMsg);
     }
   }
   rtInvalidate.Inflate(2, 2);
   m_pOwner->Repaint(&rtInvalidate);
 }