Convert FWL_ERR into an enum class.

xfa/fwl/lightwidget/cfwl_combobox.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/lightwidget/cfwl_combobox.h"
 
 #include <utility>
 
 #include "xfa/fwl/core/fwl_error.h"
 #include "xfa/fwl/core/ifwl_widget.h"
 
 CFWL_ComboBox* CFWL_ComboBox::Create() {
   return new CFWL_ComboBox;
 }
 
-FWL_ERR CFWL_ComboBox::Initialize(const CFWL_WidgetProperties* pProperties) {
+FWL_Error CFWL_ComboBox::Initialize(const CFWL_WidgetProperties* pProperties) {
   if (m_pIface)
-    return FWL_ERR_Indefinite;
+    return FWL_Error::Indefinite;
   if (pProperties) {
     *m_pProperties = *pProperties;
   }
   std::unique_ptr<IFWL_ComboBox> pComboBox(IFWL_ComboBox::Create(
       m_pProperties->MakeWidgetImpProperties(&m_comboBoxData)));
-  FWL_ERR ret = pComboBox->Initialize();
-  if (ret != FWL_ERR_Succeeded) {
+  FWL_Error ret = pComboBox->Initialize();
+  if (ret != FWL_Error::Succeeded) {
     return ret;
   }
   m_pIface = pComboBox.release();
   CFWL_Widget::Initialize();
-  return FWL_ERR_Succeeded;
+  return FWL_Error::Succeeded;
 }
 
 int32_t CFWL_ComboBox::AddString(const CFX_WideStringC& wsText) {
   std::unique_ptr<CFWL_ComboBoxItem> pItem(new CFWL_ComboBoxItem);
   pItem->m_wsText = wsText;
   pItem->m_dwStyles = 0;
   m_comboBoxData.m_ItemArray.push_back(std::move(pItem));
   return m_comboBoxData.m_ItemArray.size() - 1;
 }
 
@@ skipping 17 matching lines @@
 }
 
 void CFWL_ComboBox::RemoveAll() {
   m_comboBoxData.m_ItemArray.clear();
 }
 
 int32_t CFWL_ComboBox::CountItems() {
   return m_comboBoxData.CountItems(GetWidget());
 }
 
-FWL_ERR CFWL_ComboBox::GetTextByIndex(int32_t iIndex, CFX_WideString& wsText) {
+FWL_Error CFWL_ComboBox::GetTextByIndex(int32_t iIndex,
+                                        CFX_WideString& wsText) {
   CFWL_ComboBoxItem* pItem = reinterpret_cast<CFWL_ComboBoxItem*>(
       m_comboBoxData.GetItem(m_pIface, iIndex));
   if (!pItem)
-    return FWL_ERR_Indefinite;
+    return FWL_Error::Indefinite;
   wsText = pItem->m_wsText;
-  return FWL_ERR_Succeeded;
+  return FWL_Error::Succeeded;
 }
 
 int32_t CFWL_ComboBox::GetCurSel() {
   if (!m_pIface)
     return -1;
   return static_cast<IFWL_ComboBox*>(m_pIface)->GetCurSel();
 }
 
-FWL_ERR CFWL_ComboBox::SetCurSel(int32_t iSel) {
+FWL_Error CFWL_ComboBox::SetCurSel(int32_t iSel) {
   if (!m_pIface)
-    return FWL_ERR_Indefinite;
+    return FWL_Error::Indefinite;
   return static_cast<IFWL_ComboBox*>(m_pIface)->SetCurSel(iSel);
 }
 
-FWL_ERR CFWL_ComboBox::SetEditText(const CFX_WideString& wsText) {
+FWL_Error CFWL_ComboBox::SetEditText(const CFX_WideString& wsText) {
   if (!m_pIface)
-    return FWL_ERR_Indefinite;
+    return FWL_Error::Indefinite;
   return static_cast<IFWL_ComboBox*>(m_pIface)->SetEditText(wsText);
 }
 
 int32_t CFWL_ComboBox::GetEditTextLength() const {
   if (!m_pIface)
     return 0;
   return static_cast<IFWL_ComboBox*>(m_pIface)->GetEditTextLength();
 }
 
-FWL_ERR CFWL_ComboBox::GetEditText(CFX_WideString& wsText,
-                                   int32_t nStart,
-                                   int32_t nCount) const {
+FWL_Error CFWL_ComboBox::GetEditText(CFX_WideString& wsText,
+                                     int32_t nStart,
+                                     int32_t nCount) const {
   if (!m_pIface)
-    return FWL_ERR_Indefinite;
+    return FWL_Error::Indefinite;
   return static_cast<IFWL_ComboBox*>(m_pIface)
       ->GetEditText(wsText, nStart, nCount);
 }
 
-FWL_ERR CFWL_ComboBox::SetEditSelRange(int32_t nStart, int32_t nCount) {
+FWL_Error CFWL_ComboBox::SetEditSelRange(int32_t nStart, int32_t nCount) {
   if (!m_pIface)
-    return FWL_ERR_Indefinite;
+    return FWL_Error::Indefinite;
   return static_cast<IFWL_ComboBox*>(m_pIface)->SetEditSelRange(nStart, nCount);
 }
 
 int32_t CFWL_ComboBox::GetEditSelRange(int32_t nIndex, int32_t& nStart) {
   if (!m_pIface)
     return 0;
   return static_cast<IFWL_ComboBox*>(m_pIface)->GetEditSelRange(nIndex, nStart);
 }
 
 int32_t CFWL_ComboBox::GetEditLimit() {
   if (!m_pIface)
     return 0;
   return static_cast<IFWL_ComboBox*>(m_pIface)->GetEditLimit();
 }
 
-FWL_ERR CFWL_ComboBox::SetEditLimit(int32_t nLimit) {
+FWL_Error CFWL_ComboBox::SetEditLimit(int32_t nLimit) {
   if (!m_pIface)
-    return FWL_ERR_Indefinite;
+    return FWL_Error::Indefinite;
   return static_cast<IFWL_ComboBox*>(m_pIface)->SetEditLimit(nLimit);
 }
 
-FWL_ERR CFWL_ComboBox::EditDoClipboard(int32_t iCmd) {
+FWL_Error CFWL_ComboBox::EditDoClipboard(int32_t iCmd) {
   if (!m_pIface)
-    return FWL_ERR_Indefinite;
+    return FWL_Error::Indefinite;
   return static_cast<IFWL_ComboBox*>(m_pIface)->EditDoClipboard(iCmd);
 }
 
 FX_BOOL CFWL_ComboBox::EditRedo(const CFX_ByteStringC& bsRecord) {
   if (!m_pIface)
     return FALSE;
   return static_cast<IFWL_ComboBox*>(m_pIface)->EditRedo(bsRecord);
 }
 
 FX_BOOL CFWL_ComboBox::EditUndo(const CFX_ByteStringC& bsRecord) {
   if (!m_pIface)
     return FALSE;
   return static_cast<IFWL_ComboBox*>(m_pIface)->EditUndo(bsRecord);
 }
 
-FWL_ERR CFWL_ComboBox::SetMaxListHeight(FX_FLOAT fMaxHeight) {
+FWL_Error CFWL_ComboBox::SetMaxListHeight(FX_FLOAT fMaxHeight) {
   m_comboBoxData.m_fMaxListHeight = fMaxHeight;
-  return FWL_ERR_Succeeded;
+  return FWL_Error::Succeeded;
 }
 
-FWL_ERR CFWL_ComboBox::SetItemData(int32_t iIndex, void* pData) {
+FWL_Error CFWL_ComboBox::SetItemData(int32_t iIndex, void* pData) {
   CFWL_ComboBoxItem* pItem = reinterpret_cast<CFWL_ComboBoxItem*>(
       m_comboBoxData.GetItem(m_pIface, iIndex));
   if (!pItem)
-    return FWL_ERR_Indefinite;
+    return FWL_Error::Indefinite;
   pItem->m_pData = pData;
-  return FWL_ERR_Succeeded;
+  return FWL_Error::Succeeded;
 }
 
 void* CFWL_ComboBox::GetItemData(int32_t iIndex) {
   CFWL_ComboBoxItem* pItem = reinterpret_cast<CFWL_ComboBoxItem*>(
       m_comboBoxData.GetItem(m_pIface, iIndex));
   if (!pItem)
     return NULL;
   return pItem->m_pData;
 }
 
-FWL_ERR CFWL_ComboBox::SetListTheme(IFWL_ThemeProvider* pTheme) {
+FWL_Error CFWL_ComboBox::SetListTheme(IFWL_ThemeProvider* pTheme) {
   return static_cast<IFWL_ComboBox*>(m_pIface)->GetListBoxt()->SetThemeProvider(
       pTheme);
 }
 
 FX_BOOL CFWL_ComboBox::AfterFocusShowDropList() {
   return static_cast<IFWL_ComboBox*>(m_pIface)->AfterFocusShowDropList();
 }
 
-FWL_ERR CFWL_ComboBox::OpenDropDownList(FX_BOOL bActivate) {
+FWL_Error CFWL_ComboBox::OpenDropDownList(FX_BOOL bActivate) {
   return static_cast<IFWL_ComboBox*>(m_pIface)->OpenDropDownList(bActivate);
 }
 
 FX_BOOL CFWL_ComboBox::EditCanUndo() {
   if (!m_pIface)
     return FALSE;
   return static_cast<IFWL_ComboBox*>(m_pIface)->EditCanUndo();
 }
 
 FX_BOOL CFWL_ComboBox::EditCanRedo() {
@@ skipping 61 matching lines @@
     return FALSE;
   return static_cast<IFWL_ComboBox*>(m_pIface)->EditDelete();
 }
 
 FX_BOOL CFWL_ComboBox::EditDeSelect() {
   if (!m_pIface)
     return FALSE;
   return static_cast<IFWL_ComboBox*>(m_pIface)->EditDeSelect();
 }
 
-FWL_ERR CFWL_ComboBox::GetBBox(CFX_RectF& rect) {
+FWL_Error CFWL_ComboBox::GetBBox(CFX_RectF& rect) {
   if (!m_pIface)
-    return FALSE;
+    return FWL_Error::Indefinite;
   return static_cast<IFWL_ComboBox*>(m_pIface)->GetBBox(rect);
 }
 
-FWL_ERR CFWL_ComboBox::EditModifyStylesEx(uint32_t dwStylesExAdded,
-                                          uint32_t dwStylesExRemoved) {
+FWL_Error CFWL_ComboBox::EditModifyStylesEx(uint32_t dwStylesExAdded,
+                                            uint32_t dwStylesExRemoved) {
   if (!m_pIface)
-    return FALSE;
+    return FWL_Error::Indefinite;
   return static_cast<IFWL_ComboBox*>(m_pIface)
       ->EditModifyStylesEx(dwStylesExAdded, dwStylesExRemoved);
 }
 
 CFWL_ComboBox::CFWL_ComboBox() {}
 
 CFWL_ComboBox::~CFWL_ComboBox() {}
 
 CFWL_ComboBox::CFWL_ComboBoxDP::CFWL_ComboBoxDP() {
   m_fItemHeight = 0;
@@ skipping 34 matching lines @@
   return TRUE;
 }
 
 uint32_t CFWL_ComboBox::CFWL_ComboBoxDP::GetItemStyles(IFWL_Widget* pWidget,
                                                        FWL_HLISTITEM hItem) {
   if (!hItem)
     return 0;
   return reinterpret_cast<CFWL_ComboBoxItem*>(hItem)->m_dwStyles;
 }
 
-FWL_ERR CFWL_ComboBox::CFWL_ComboBoxDP::GetItemText(IFWL_Widget* pWidget,
-                                                    FWL_HLISTITEM hItem,
-                                                    CFX_WideString& wsText) {
+FWL_Error CFWL_ComboBox::CFWL_ComboBoxDP::GetItemText(IFWL_Widget* pWidget,
+                                                      FWL_HLISTITEM hItem,
+                                                      CFX_WideString& wsText) {
   if (!hItem)
-    return FWL_ERR_Indefinite;
+    return FWL_Error::Indefinite;
   wsText = reinterpret_cast<CFWL_ComboBoxItem*>(hItem)->m_wsText;
-  return FWL_ERR_Succeeded;
+  return FWL_Error::Succeeded;
 }
 
-FWL_ERR CFWL_ComboBox::CFWL_ComboBoxDP::GetItemRect(IFWL_Widget* pWidget,
-                                                    FWL_HLISTITEM hItem,
-                                                    CFX_RectF& rtItem) {
+FWL_Error CFWL_ComboBox::CFWL_ComboBoxDP::GetItemRect(IFWL_Widget* pWidget,
+                                                      FWL_HLISTITEM hItem,
+                                                      CFX_RectF& rtItem) {
   if (!hItem)
-    return FWL_ERR_Indefinite;
+    return FWL_Error::Indefinite;
   CFWL_ComboBoxItem* pItem = reinterpret_cast<CFWL_ComboBoxItem*>(hItem);
   rtItem.Set(pItem->m_rtItem.left, pItem->m_rtItem.top, pItem->m_rtItem.width,
              pItem->m_rtItem.height);
-  return FWL_ERR_Succeeded;
+  return FWL_Error::Succeeded;
 }
 
 void* CFWL_ComboBox::CFWL_ComboBoxDP::GetItemData(IFWL_Widget* pWidget,
                                                   FWL_HLISTITEM hItem) {
   if (!hItem)
     return NULL;
   CFWL_ComboBoxItem* pItem = reinterpret_cast<CFWL_ComboBoxItem*>(hItem);
   return pItem->m_pData;
 }
 
-FWL_ERR CFWL_ComboBox::CFWL_ComboBoxDP::SetItemStyles(IFWL_Widget* pWidget,
-                                                      FWL_HLISTITEM hItem,
-                                                      uint32_t dwStyle) {
+FWL_Error CFWL_ComboBox::CFWL_ComboBoxDP::SetItemStyles(IFWL_Widget* pWidget,
+                                                        FWL_HLISTITEM hItem,
+                                                        uint32_t dwStyle) {
   if (!hItem)
-    return FWL_ERR_Indefinite;
+    return FWL_Error::Indefinite;
   reinterpret_cast<CFWL_ComboBoxItem*>(hItem)->m_dwStyles = dwStyle;
-  return FWL_ERR_Succeeded;
+  return FWL_Error::Succeeded;
 }
 
-FWL_ERR CFWL_ComboBox::CFWL_ComboBoxDP::SetItemText(IFWL_Widget* pWidget,
-                                                    FWL_HLISTITEM hItem,
-                                                    const FX_WCHAR* pszText) {
+FWL_Error CFWL_ComboBox::CFWL_ComboBoxDP::SetItemText(IFWL_Widget* pWidget,
+                                                      FWL_HLISTITEM hItem,
+                                                      const FX_WCHAR* pszText) {
   if (!hItem)
-    return FWL_ERR_Indefinite;
+    return FWL_Error::Indefinite;
   reinterpret_cast<CFWL_ComboBoxItem*>(hItem)->m_wsText = pszText;
-  return FWL_ERR_Succeeded;
+  return FWL_Error::Succeeded;
 }
 
-FWL_ERR CFWL_ComboBox::CFWL_ComboBoxDP::SetItemRect(IFWL_Widget* pWidget,
-                                                    FWL_HLISTITEM hItem,
-                                                    const CFX_RectF& rtItem) {
+FWL_Error CFWL_ComboBox::CFWL_ComboBoxDP::SetItemRect(IFWL_Widget* pWidget,
+                                                      FWL_HLISTITEM hItem,
+                                                      const CFX_RectF& rtItem) {
   if (!hItem)
-    return FWL_ERR_Indefinite;
+    return FWL_Error::Indefinite;
   reinterpret_cast<CFWL_ComboBoxItem*>(hItem)->m_rtItem = rtItem;
-  return FWL_ERR_Succeeded;
+  return FWL_Error::Succeeded;
 }
 
 FX_FLOAT CFWL_ComboBox::CFWL_ComboBoxDP::GetItemHeight(IFWL_Widget* pWidget) {
   return m_fItemHeight;
 }
 
 CFX_DIBitmap* CFWL_ComboBox::CFWL_ComboBoxDP::GetItemIcon(IFWL_Widget* pWidget,
                                                           FWL_HLISTITEM hItem) {
   if (!hItem)
     return NULL;
   return reinterpret_cast<CFWL_ComboBoxItem*>(hItem)->m_pDIB;
 }
 
-FWL_ERR CFWL_ComboBox::CFWL_ComboBoxDP::GetItemCheckRect(IFWL_Widget* pWidget,
-                                                         FWL_HLISTITEM hItem,
-                                                         CFX_RectF& rtCheck) {
+FWL_Error CFWL_ComboBox::CFWL_ComboBoxDP::GetItemCheckRect(IFWL_Widget* pWidget,
+                                                           FWL_HLISTITEM hItem,
+                                                           CFX_RectF& rtCheck) {
   CFWL_ComboBoxItem* pItem = reinterpret_cast<CFWL_ComboBoxItem*>(hItem);
   rtCheck = pItem->m_rtCheckBox;
-  return FWL_ERR_Succeeded;
+  return FWL_Error::Succeeded;
 }
 
-FWL_ERR CFWL_ComboBox::CFWL_ComboBoxDP::SetItemCheckRect(
+FWL_Error CFWL_ComboBox::CFWL_ComboBoxDP::SetItemCheckRect(
     IFWL_Widget* pWidget,
     FWL_HLISTITEM hItem,
     const CFX_RectF& rtCheck) {
   CFWL_ComboBoxItem* pItem = reinterpret_cast<CFWL_ComboBoxItem*>(hItem);
   pItem->m_rtCheckBox = rtCheck;
-  return FWL_ERR_Succeeded;
+  return FWL_Error::Succeeded;
 }
 
 uint32_t CFWL_ComboBox::CFWL_ComboBoxDP::GetItemCheckState(
     IFWL_Widget* pWidget,
     FWL_HLISTITEM hItem) {
   CFWL_ComboBoxItem* pItem = reinterpret_cast<CFWL_ComboBoxItem*>(hItem);
   return pItem->m_dwCheckState;
 }
 
-FWL_ERR CFWL_ComboBox::CFWL_ComboBoxDP::SetItemCheckState(
+FWL_Error CFWL_ComboBox::CFWL_ComboBoxDP::SetItemCheckState(
     IFWL_Widget* pWidget,
     FWL_HLISTITEM hItem,
     uint32_t dwCheckState) {
   CFWL_ComboBoxItem* pItem = reinterpret_cast<CFWL_ComboBoxItem*>(hItem);
   pItem->m_dwCheckState = dwCheckState;
-  return FWL_ERR_Succeeded;
+  return FWL_Error::Succeeded;
 }
 
 FX_FLOAT CFWL_ComboBox::CFWL_ComboBoxDP::GetListHeight(IFWL_Widget* pWidget) {
   return m_fMaxListHeight;
 }