Remove FWL_WGTHITTEST_* defines in favour of enum class.

xfa/fwl/core/fwl_widgetimp.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/fwl_widgetimp.h"
 
 #include <algorithm>
 
@@ skipping 100 matching lines @@
 }
 FWL_ERR IFWL_Widget::Update() {
   return static_cast<CFWL_WidgetImp*>(GetImpl())->Update();
 }
 FWL_ERR IFWL_Widget::LockUpdate() {
   return static_cast<CFWL_WidgetImp*>(GetImpl())->LockUpdate();
 }
 FWL_ERR IFWL_Widget::UnlockUpdate() {
   return static_cast<CFWL_WidgetImp*>(GetImpl())->UnlockUpdate();
 }
-uint32_t IFWL_Widget::HitTest(FX_FLOAT fx, FX_FLOAT fy) {
+FWL_WidgetHit IFWL_Widget::HitTest(FX_FLOAT fx, FX_FLOAT fy) {
   return static_cast<CFWL_WidgetImp*>(GetImpl())->HitTest(fx, fy);
 }
 FWL_ERR IFWL_Widget::TransformTo(IFWL_Widget* pWidget,
                                  FX_FLOAT& fx,
                                  FX_FLOAT& fy) {
   return static_cast<CFWL_WidgetImp*>(GetImpl())->TransformTo(pWidget, fx, fy);
 }
 FWL_ERR IFWL_Widget::TransformTo(IFWL_Widget* pWidget, CFX_RectF& rt) {
   return static_cast<CFWL_WidgetImp*>(GetImpl())->TransformTo(pWidget, rt);
 }
@@ skipping 226 matching lines @@
 FWL_ERR CFWL_WidgetImp::LockUpdate() {
   m_iLock++;
   return FWL_ERR_Succeeded;
 }
 FWL_ERR CFWL_WidgetImp::UnlockUpdate() {
   if (IsLocked()) {
     m_iLock--;
   }
   return FWL_ERR_Succeeded;
 }
-uint32_t CFWL_WidgetImp::HitTest(FX_FLOAT fx, FX_FLOAT fy) {
+FWL_WidgetHit CFWL_WidgetImp::HitTest(FX_FLOAT fx, FX_FLOAT fy) {
   CFX_RectF rtClient;
   GetClientRect(rtClient);
-  if (rtClient.Contains(fx, fy)) {
-    return FWL_WGTHITTEST_Client;
-  }
+  if (rtClient.Contains(fx, fy))
+    return FWL_WidgetHit::Client;
   if (HasEdge()) {
     CFX_RectF rtEdge;
     GetEdgeRect(rtEdge);
-    if (rtEdge.Contains(fx, fy)) {
-      return FWL_WGTHITTEST_Edge;
-    }
+    if (rtEdge.Contains(fx, fy))
+      return FWL_WidgetHit::Edge;
   }
   if (HasBorder()) {
     CFX_RectF rtRelative;
     GetRelativeRect(rtRelative);
-    if (rtRelative.Contains(fx, fy)) {
-      return FWL_WGTHITTEST_Border;
-    }
+    if (rtRelative.Contains(fx, fy))
+      return FWL_WidgetHit::Border;
   }
-  return FWL_WGTHITTEST_Unknown;
+  return FWL_WidgetHit::Unknown;
 }
 FWL_ERR CFWL_WidgetImp::TransformTo(IFWL_Widget* pWidget,
                                     FX_FLOAT& fx,
                                     FX_FLOAT& fy) {
   if (m_pWidgetMgr->IsFormDisabled()) {
     CFX_SizeF szOffset;
     if (IsParent(pWidget)) {
       szOffset = GetOffsetFromParent(pWidget);
     } else {
       szOffset = pWidget->GetOffsetFromParent(m_pInterface);
@@ skipping 674 matching lines @@
 FWL_ERR CFWL_WidgetImpDelegate::OnProcessEvent(CFWL_Event* pEvent) {
   return FWL_ERR_Succeeded;
 }
 
 FWL_ERR CFWL_WidgetImpDelegate::OnDrawWidget(CFX_Graphics* pGraphics,
                                              const CFX_Matrix* pMatrix) {
   CFWL_EvtDraw evt;
   evt.m_pGraphics = pGraphics;
   return FWL_ERR_Succeeded;
 }