Attempt to fix some -Woverloaded-virtual warnings.

fpdfsdk/src/pdfwindow/PWL_IconList.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 "../../include/pdfwindow/PDFWindow.h"
 #include "../../include/pdfwindow/PWL_Wnd.h"
 #include "../../include/pdfwindow/PWL_ListCtrl.h"
 #include "../../include/pdfwindow/PWL_IconList.h"
@@ skipping 174 matching lines @@
                 sInfo.fContentMin = rcScroll.bottom;
                 sInfo.fContentMax = rcScroll.top;
                 sInfo.fPlateWidth = GetClientRect().Height();
                 sInfo.fSmallStep = 13.0f;
                 sInfo.fBigStep = sInfo.fPlateWidth;
 
                 pParent->OnNotify(this, PNM_SETSCROLLINFO, SBT_VSCROLL, (FX_INTPTR)&sInfo);
         }
 }
 
-FX_BOOL CPWL_IconList_Content::OnLButtonDown(const CPDF_Point & point)
+FX_BOOL CPWL_IconList_Content::OnLButtonDown(const CPDF_Point & point, FX_DWORD nFlag)
 {
         SetFocus();
 
         SetCapture();
         m_bMouseDown = TRUE;
 
         FX_INT32 nItemIndex = FindItemIndex(point);
         SetSelect(nItemIndex);
         ScrollToItem(nItemIndex);
 
         return TRUE;
 }
 
-FX_BOOL CPWL_IconList_Content::OnLButtonUp(const CPDF_Point & point)
+FX_BOOL CPWL_IconList_Content::OnLButtonUp(const CPDF_Point & point, FX_DWORD nFlag)
 {
         m_bMouseDown = FALSE;
         ReleaseCapture();
 
         return TRUE;
 }
 
-FX_BOOL CPWL_IconList_Content::OnMouseMove(const CPDF_Point & point)
+FX_BOOL CPWL_IconList_Content::OnMouseMove(const CPDF_Point & point, FX_DWORD nFlag)
 {
         if (m_bMouseDown)
         {
                 FX_INT32 nItemIndex = FindItemIndex(point);
                 SetSelect(nItemIndex);
                 ScrollToItem(nItemIndex);
         }
 
         return TRUE;
 }
 
-FX_BOOL CPWL_IconList_Content::OnKeyDown(FX_WORD nChar)
+FX_BOOL CPWL_IconList_Content::OnKeyDown(FX_WORD nChar, FX_DWORD nFlag)
 {
         switch (nChar)
         {
         case FWL_VKEY_Up:
                 if (m_nSelectIndex > 0)
                 {
                         FX_INT32 nItemIndex = m_nSelectIndex - 1;
                         SetSelect(nItemIndex);
                         ScrollToItem(nItemIndex);
                 }
@@ skipping 305 matching lines @@
 CFX_WideString CPWL_IconList::GetListString(FX_INT32 nItemIndex) const
 {
         return m_pListContent->GetListString(nItemIndex);
 }
 
 void CPWL_IconList::SetIconFillColor(const CPWL_Color& color)
 {
         m_pListContent->SetIconFillColor(color);
 }
 
-FX_BOOL CPWL_IconList::OnMouseWheel(short zDelta, const CPDF_Point & point)
+FX_BOOL CPWL_IconList::OnMouseWheel(short zDelta, const CPDF_Point & point, FX_DWORD nFlag)
 {
         CPDF_Point ptScroll = m_pListContent->GetScrollPos();
         CPDF_Rect rcScroll = m_pListContent->GetScrollArea();
         CPDF_Rect rcContents = m_pListContent->GetClientRect();
 
         if (rcScroll.top - rcScroll.bottom > rcContents.Height())
         {
                 CPDF_Point ptNew = ptScroll;
 
                 if (zDelta > 0)
@@ skipping 17 matching lines @@
                         if (CPWL_ScrollBar* pScrollBar = this->GetVScrollBar())
                                 pScrollBar->OnNotify(this, PNM_SETSCROLLPOS, SBT_VSCROLL, (FX_INTPTR)&ptNew.y);
 
                         return TRUE;
                 }
         }
 
         return FALSE;
 }