Cleanup IFWL_Widget visibility and virtual parameters

xfa/fwl/core/ifwl_monthcalendar.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/ifwl_monthcalendar.h"
 
 #include <algorithm>
 
@@ skipping 139 matching lines @@
 
 IFWL_MonthCalendar::~IFWL_MonthCalendar() {
   ClearDateItem();
   m_arrSelDays.RemoveAll();
 }
 
 FWL_Type IFWL_MonthCalendar::GetClassID() const {
   return FWL_Type::MonthCalendar;
 }
 
-FWL_Error IFWL_MonthCalendar::GetWidgetRect(CFX_RectF& rect, bool bAutoSize) {
+void IFWL_MonthCalendar::GetWidgetRect(CFX_RectF& rect, bool bAutoSize) {
   if (bAutoSize) {
     CFX_SizeF fs = CalcSize(true);
     rect.Set(0, 0, fs.x, fs.y);
     IFWL_Widget::GetWidgetRect(rect, true);
   } else {
     rect = m_pProperties->m_rtWidget;
   }
-  return FWL_Error::Succeeded;
 }
 
-FWL_Error IFWL_MonthCalendar::Update() {
+void IFWL_MonthCalendar::Update() {
   if (IsLocked()) {
-    return FWL_Error::Indefinite;
+    return;
   }
   if (!m_pProperties->m_pThemeProvider) {
     m_pProperties->m_pThemeProvider = GetAvailableTheme();
   }
   GetCapValue();
   if (!m_bInit) {
     m_bInit = InitDate();
   }
   ClearDateItem();
   ReSetDateItem();
   LayOut();
-  return FWL_Error::Succeeded;
 }
 
-FWL_Error IFWL_MonthCalendar::DrawWidget(CFX_Graphics* pGraphics,
-                                         const CFX_Matrix* pMatrix) {
+void IFWL_MonthCalendar::DrawWidget(CFX_Graphics* pGraphics,
+                                    const CFX_Matrix* pMatrix) {
   if (!pGraphics)
-    return FWL_Error::Indefinite;
+    return;
   if (!m_pProperties->m_pThemeProvider) {
     m_pProperties->m_pThemeProvider = GetAvailableTheme();
   }
   IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider;
   if (HasBorder()) {
     DrawBorder(pGraphics, CFWL_Part::Border, pTheme, pMatrix);
   }
   if (HasEdge()) {
     DrawEdge(pGraphics, CFWL_Part::Edge, pTheme, pMatrix);
   }
   DrawBkground(pGraphics, pTheme, pMatrix);
   DrawHeadBK(pGraphics, pTheme, pMatrix);
   DrawLButton(pGraphics, pTheme, pMatrix);
   DrawRButton(pGraphics, pTheme, pMatrix);
   DrawSeperator(pGraphics, pTheme, pMatrix);
   DrawDatesInBK(pGraphics, pTheme, pMatrix);
   DrawDatesInCircle(pGraphics, pTheme, pMatrix);
   DrawCaption(pGraphics, pTheme, pMatrix);
   DrawWeek(pGraphics, pTheme, pMatrix);
   DrawDatesIn(pGraphics, pTheme, pMatrix);
   DrawDatesOut(pGraphics, pTheme, pMatrix);
   DrawToday(pGraphics, pTheme, pMatrix);
   if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_MCD_WeekNumbers) {
     DrawWeekNumberSep(pGraphics, pTheme, pMatrix);
     DrawWeekNumber(pGraphics, pTheme, pMatrix);
   }
-  return FWL_Error::Succeeded;
 }
 
 int32_t IFWL_MonthCalendar::CountSelect() {
   return m_arrSelDays.GetSize();
 }
 
 bool IFWL_MonthCalendar::GetSelect(int32_t& iYear,
                                    int32_t& iMonth,
                                    int32_t& iDay,
                                    int32_t nIndex) {
@@ skipping 949 matching lines @@
                            uint32_t dwSt,
                            CFX_RectF rc,
                            CFX_WideString& wsday)
     : iDay(day),
       iDayOfWeek(dayofweek),
       dwStates(dwSt),
       rect(rc),
       wsDay(wsday) {}
 
 FWL_DATEINFO::~FWL_DATEINFO() {}