Convert FWL_ERR into an enum class.

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 314 matching lines @@
   return ((CFWL_Edit*)m_pNormalWidget)->Paste(wsPaste);
 }
 FX_BOOL CXFA_FFTextEdit::SelectAll() {
   int32_t nCount = ((CFWL_Edit*)m_pNormalWidget)->GetTextLength();
   return ((CFWL_Edit*)m_pNormalWidget)->AddSelRange(0, nCount);
 }
 FX_BOOL CXFA_FFTextEdit::Delete() {
   return ((CFWL_Edit*)m_pNormalWidget)->Delete();
 }
 FX_BOOL CXFA_FFTextEdit::DeSelect() {
-  return ((CFWL_Edit*)m_pNormalWidget)->ClearSelections();
+  return ((CFWL_Edit*)m_pNormalWidget)->ClearSelections() ==
+         FWL_Error::Succeeded;
 }
 FX_BOOL CXFA_FFTextEdit::GetSuggestWords(
     CFX_PointF pointf,
     std::vector<CFX_ByteString>& sSuggest) {
   if (m_pDataAcc->GetUIType() != XFA_ELEMENT_TextEdit) {
     return FALSE;
   }
   FWLToClient(pointf.x, pointf.y);
   return ((CFWL_Edit*)m_pNormalWidget)->GetSuggestWords(pointf, sSuggest);
 }
@@ skipping 47 matching lines @@
   return GetDoc()->GetDocProvider()->CheckWord(GetDoc(), sWord);
 }
 FX_BOOL CXFA_FFTextEdit::GetSuggestWords(
     const CFX_ByteStringC& sWord,
     std::vector<CFX_ByteString>& sSuggest) {
   if (m_pDataAcc->GetUIType() != XFA_ELEMENT_TextEdit) {
     return FALSE;
   }
   return GetDoc()->GetDocProvider()->GetSuggestWords(GetDoc(), sWord, sSuggest);
 }
-int32_t CXFA_FFTextEdit::OnProcessMessage(CFWL_Message* pMessage) {
-  return m_pOldDelegate->OnProcessMessage(pMessage);
+
+void CXFA_FFTextEdit::OnProcessMessage(CFWL_Message* pMessage) {
+  m_pOldDelegate->OnProcessMessage(pMessage);
 }
 
-FWL_ERR CXFA_FFTextEdit::OnProcessEvent(CFWL_Event* pEvent) {
+void CXFA_FFTextEdit::OnProcessEvent(CFWL_Event* pEvent) {
   CXFA_FFField::OnProcessEvent(pEvent);
   switch (pEvent->GetClassID()) {
     case CFWL_EventType::TextChanged: {
       CFWL_EvtEdtTextChanged* event = (CFWL_EvtEdtTextChanged*)pEvent;
       CFX_WideString wsChange;
       OnTextChanged(m_pNormalWidget->GetWidget(), wsChange, event->wsPrevText);
       break;
     }
     case CFWL_EventType::TextFull: {
       OnTextFull(m_pNormalWidget->GetWidget());
       break;
     }
     case CFWL_EventType::CheckWord: {
       CFX_WideString wstr(L"FWL_EVENT_DTP_SelectChanged");
       CFWL_EvtEdtCheckWord* event = (CFWL_EvtEdtCheckWord*)pEvent;
       event->bCheckWord = CheckWord(event->bsWord.AsStringC());
       break;
     }
     case CFWL_EventType::GetSuggestedWords: {
       CFWL_EvtEdtGetSuggestWords* event = (CFWL_EvtEdtGetSuggestWords*)pEvent;
       event->bSuggestWords = GetSuggestWords(event->bsWord.AsStringC(),
                                              event->bsArraySuggestWords);
       break;
     }
     default:
       break;
   }
-  return m_pOldDelegate->OnProcessEvent(pEvent);
+  m_pOldDelegate->OnProcessEvent(pEvent);
 }
 
-FWL_ERR CXFA_FFTextEdit::OnDrawWidget(CFX_Graphics* pGraphics,
-                                      const CFX_Matrix* pMatrix) {
-  return m_pOldDelegate->OnDrawWidget(pGraphics, pMatrix);
+void CXFA_FFTextEdit::OnDrawWidget(CFX_Graphics* pGraphics,
+                                   const CFX_Matrix* pMatrix) {
+  m_pOldDelegate->OnDrawWidget(pGraphics, pMatrix);
 }
+
 CXFA_FFNumericEdit::CXFA_FFNumericEdit(CXFA_FFPageView* pPageView,
                                        CXFA_WidgetAcc* pDataAcc)
     : CXFA_FFTextEdit(pPageView, pDataAcc) {}
 CXFA_FFNumericEdit::~CXFA_FFNumericEdit() {}
 FX_BOOL CXFA_FFNumericEdit::LoadWidget() {
   CFWL_Edit* pWidget = CFWL_Edit::Create();
   pWidget->Initialize();
   m_pNormalWidget = (CFWL_Widget*)pWidget;
   IFWL_Widget* pIWidget = m_pNormalWidget->GetWidget();
   m_pNormalWidget->SetPrivateData(pIWidget, this, NULL);
@@ skipping 27 matching lines @@
     pWidget->SetLimit(iNumCells);
   }
   dwExtendedStyle |= GetAlignment();
   if (m_pDataAcc->GetAccess() != XFA_ATTRIBUTEENUM_Open ||
       !m_pDataAcc->GetDoc()->GetXFADoc()->IsInteractive()) {
     dwExtendedStyle |= FWL_STYLEEXT_EDT_ReadOnly;
   }
   m_pNormalWidget->ModifyStylesEx(dwExtendedStyle, 0xFFFFFFFF);
 }
 
-FWL_ERR CXFA_FFNumericEdit::OnProcessEvent(CFWL_Event* pEvent) {
+void CXFA_FFNumericEdit::OnProcessEvent(CFWL_Event* pEvent) {
   if (pEvent->GetClassID() == CFWL_EventType::Validate) {
     CFWL_EvtEdtValidate* event = (CFWL_EvtEdtValidate*)pEvent;
     CFX_WideString wsChange = event->wsInsert;
     event->bValidate = OnValidate(m_pNormalWidget->GetWidget(), wsChange);
-    return event->bValidate;
+    return;
   }
-  return CXFA_FFTextEdit::OnProcessEvent(pEvent);
+  CXFA_FFTextEdit::OnProcessEvent(pEvent);
 }
 
 FX_BOOL CXFA_FFNumericEdit::OnValidate(IFWL_Widget* pWidget,
                                        CFX_WideString& wsText) {
   CFX_WideString wsPattern;
   m_pDataAcc->GetPictureContent(wsPattern, XFA_VALUEPICTURE_Edit);
   if (!wsPattern.IsEmpty()) {
     return TRUE;
   }
   int32_t iLeads = 0;
@@ skipping 274 matching lines @@
   pDateTime->SetEditText(wsDate);
   pDateTime->Update();
   GetDoc()->GetDocProvider()->SetFocusWidget(GetDoc(), NULL);
   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);
 }
 
-FWL_ERR CXFA_FFDateTimeEdit::OnProcessEvent(CFWL_Event* pEvent) {
+void CXFA_FFDateTimeEdit::OnProcessEvent(CFWL_Event* pEvent) {
   if (pEvent->GetClassID() == CFWL_EventType::SelectChanged) {
     CFWL_Event_DtpSelectChanged* event = (CFWL_Event_DtpSelectChanged*)pEvent;
     OnSelectChanged(m_pNormalWidget->GetWidget(), event->iYear, event->iMonth,
                     event->iDay);
-    return TRUE;
+    return;
   }
-  return CXFA_FFTextEdit::OnProcessEvent(pEvent);
+  CXFA_FFTextEdit::OnProcessEvent(pEvent);
 }