]> git.saurik.com Git - wxWidgets.git/blobdiff - src/os2/window.cpp
fix for rather mysterious problem when deleting the list ctrl
[wxWidgets.git] / src / os2 / window.cpp
index 5120d55fa2c65eb3b04ce9ca3fcfbd3786852a4a..fbcfcc1029725ada2cdf3a2132028e5b70974d77 100644 (file)
@@ -99,8 +99,8 @@ QMSG                      s_currentMsg;
 
 wxMenu*                   wxCurrentPopupMenu = NULL;
 extern wxList WXDLLEXPORT wxPendingDelete;
-#if defined(__VISAGECPP__) && (__IBMCPP__ < 400)
-extern wxChar*            wxCanvasClassName;
+#if !defined(__VISAGECPP__) || (__IBMCPP__ < 400)
+extern wxChar             wxCanvasClassName[];
 #endif
 wxList*                   wxWinHandleList = NULL;
 
@@ -111,11 +111,11 @@ wxList*                   wxWinHandleList = NULL;
 //
 // the window proc for all our windows; most gui's have something similar
 //
-MRESULT wxWndProc( HWND hWnd
-                  ,ULONG message
-                  ,MPARAM mp1
-                  ,MPARAM mp2
-                 );
+MRESULT EXPENTRY wxWndProc( HWND hWnd
+                           ,ULONG message
+                           ,MPARAM mp1
+                           ,MPARAM mp2
+                          );
 
 #ifdef  __WXDEBUG__
     const char *wxGetMessageName(int message);
@@ -149,10 +149,11 @@ static inline bool IsCtrlDown() { return (::WinGetKeyState(HWND_DESKTOP, VK_CTRL
     IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowBase)
 
 BEGIN_EVENT_TABLE(wxWindow, wxWindowBase)
-    EVT_ERASE_BACKGROUND(wxWindow::OnEraseBackground)
-    EVT_SYS_COLOUR_CHANGED(wxWindow::OnSysColourChanged)
-    EVT_INIT_DIALOG(wxWindow::OnInitDialog)
-    EVT_IDLE(wxWindow::OnIdle)
+    EVT_ERASE_BACKGROUND(wxWindowOS2::OnEraseBackground)
+    EVT_SYS_COLOUR_CHANGED(wxWindowOS2::OnSysColourChanged)
+    EVT_INIT_DIALOG(wxWindowOS2::OnInitDialog)
+    EVT_IDLE(wxWindowOS2::OnIdle)
+    EVT_SET_FOCUS(wxWindowOS2::OnSetFocus)
 END_EVENT_TABLE()
 
 // ===========================================================================
@@ -162,7 +163,7 @@ END_EVENT_TABLE()
 //
 // Find an item given the PM Window id
 //
-wxWindow* wxWindow::FindItem(
+wxWindow* wxWindowOS2::FindItem(
   long                              lId
 ) const
 {
@@ -195,12 +196,12 @@ wxWindow* wxWindow::FindItem(
         pCurrent = pCurrent->GetNext();
     }
     return(NULL);
-} // end of wxWindow::FindItem
+} // end of wxWindowOS2::FindItem
 
 //
 // Find an item given the PM Window handle
 //
-wxWindow* wxWindow::FindItemByHWND(
+wxWindow* wxWindowOS2::FindItemByHWND(
   WXHWND                            hWnd
 , bool                              bControlOnly
 ) const
@@ -234,12 +235,12 @@ wxWindow* wxWindow::FindItemByHWND(
         pCurrent = pCurrent->GetNext();
     }
     return(NULL);
-} // end of wxWindow::FindItemByHWND
+} // end of wxWindowOS2::FindItemByHWND
 
 //
 // Default command handler
 //
-bool wxWindow::OS2Command(
+bool wxWindowOS2::OS2Command(
   WXUINT                            WXUNUSED(uParam)
 , WXWORD                            WXUNUSED(uId)
 )
@@ -251,7 +252,7 @@ bool wxWindow::OS2Command(
 // constructors and such
 // ----------------------------------------------------------------------------
 
-void wxWindow::Init()
+void wxWindowOS2::Init()
 {
     //
     // Generic
@@ -272,8 +273,10 @@ void wxWindow::Init()
     //
     // wxWnd
     //
-    m_hMenu = 0;
-    m_hWnd = 0;
+    m_hMenu             = 0L;
+    m_hWnd              = 0L;
+    m_hWndScrollBarHorz = 0L;
+    m_hWndScrollBarVert = 0L;
 
     //
     // Pass WM_GETDLGCODE to DefWindowProc()
@@ -293,19 +296,30 @@ void wxWindow::Init()
     m_lLastMouseY = -1;
     m_nLastMouseEvent = -1;
 #endif // wxUSE_MOUSEEVENT_HACK
-} // wxWindow::Init
+} // wxWindowOS2::Init
 
 //
 // Destructor
 //
-wxWindow::~wxWindow()
+wxWindowOS2::~wxWindowOS2()
 {
     m_isBeingDeleted = TRUE;
 
     OS2DetachWindowMenu();
+    for (wxWindow* pWin = GetParent(); pWin; pWin = pWin->GetParent())
+    {
+        wxFrame*                    pFrame = wxDynamicCast(pWin, wxFrame);
+
+        if (pFrame)
+        {
+            if (pFrame->GetLastFocus() == this)
+                pFrame->SetLastFocus((wxWindow*)NULL);
+        }
+    }
     if (m_parent)
         m_parent->RemoveChild(this);
     DestroyChildren();
+
     if (m_hWnd)
     {
         if(!::WinDestroyWindow(GetHWND()))
@@ -315,9 +329,9 @@ wxWindow::~wxWindow()
         //
         wxRemoveHandleAssociation(this);
     }
-} // end of wxWindow::~wxWindow
+} // end of wxWindowOS2::~wxWindowOS2
 
-bool wxWindow::Create(
+bool wxWindowOS2::Create(
   wxWindow*                         pParent
 , wxWindowID                        vId
 , const wxPoint&                    rPos
@@ -326,6 +340,10 @@ bool wxWindow::Create(
 , const wxString&                   rName
 )
 {
+    HWND                            hParent = NULLHANDLE;
+    wxPoint                         vPos = rPos; // The OS/2 position
+    ULONG                           ulCreateFlags = 0L;
+
     wxCHECK_MSG(pParent, FALSE, wxT("can't create wxWindow without parent"));
 
     if ( !CreateBase( pParent
@@ -338,68 +356,106 @@ bool wxWindow::Create(
                     ))
         return(FALSE);
 
-    pParent->AddChild(this);
+    if (pParent)
+    {
+        int                         nTempy;
 
-    ULONG                           ulFlags = 0L;
+        pParent->AddChild(this);
+        hParent = GetWinHwnd(pParent);
+        //
+        // OS2 uses normal coordinates, no bassackwards Windows ones
+        //
+        if (pParent->IsKindOf(CLASSINFO(wxGenericScrolledWindow)) ||
+            pParent->IsKindOf(CLASSINFO(wxScrolledWindow))
+           )
+        {
+            wxWindow*               pGrandParent = NULL;
 
-    //
-    // Frame windows and their derivatives only
-    //
-    if (lStyle & wxBORDER)
-        ulFlags |= FCF_BORDER;
-    if (lStyle & wxTHICK_FRAME )
-        ulFlags |= FCF_SIZEBORDER;
+            pGrandParent = pParent->GetParent();
+            if (pGrandParent)
+                nTempy = pGrandParent->GetSize().y - (vPos.y + rSize.y);
+            else
+                nTempy = pParent->GetSize().y - (vPos.y + rSize.y);
+        }
+        else
+            nTempy = pParent->GetSize().y - (vPos.y + rSize.y);
+        vPos.y = nTempy;
+        if ( pParent->IsKindOf(CLASSINFO(wxGenericScrolledWindow)) ||
+             pParent->IsKindOf(CLASSINFO(wxScrolledWindow))
+           )
+            ulCreateFlags |= WS_CLIPSIBLINGS;
+    }
+    else
+    {
+        RECTL                   vRect;
+
+        ::WinQueryWindowRect(HWND_DESKTOP, &vRect);
+        hParent = HWND_DESKTOP;
+        vPos.y = vRect.yTop - (vPos.y + rSize.y);
+    }
 
     //
-    // Some generic window styles
+    // Most wxSTYLES are really PM Class specific styles and will be
+    // set in those class create procs.  PM's basic windows styles are
+    // very limited.
     //
-    ulFlags |= WS_VISIBLE;
+    ulCreateFlags |=  WS_VISIBLE;
+
+
+    if (lStyle & wxCLIP_SIBLINGS)
+        ulCreateFlags |= WS_CLIPSIBLINGS;
+
     if (lStyle & wxCLIP_CHILDREN )
-        ulFlags |= WS_CLIPCHILDREN;
+        ulCreateFlags |= WS_CLIPCHILDREN;
 
+    //
+    //
+    //
     bool                            bWant3D;
-    WXDWORD                         dwExStyle = Determine3DEffects(WS_EX_CLIENTEDGE, &bWant3D);
+    WXDWORD                         dwExStyle = Determine3DEffects( WS_EX_CLIENTEDGE
+                                                                   ,&bWant3D
+                                                                  );
 
     //
-    // OS/2 PM doesn't have "extended" styles but if the library specifies
-    // them and we are creating a frame window then at least give it a border
+    // Add the simple border style as we'll use this to draw borders
     //
-    if ( bWant3D ||
-        (m_windowStyle & wxSIMPLE_BORDER) ||
-        (m_windowStyle & wxRAISED_BORDER ) ||
-        (m_windowStyle & wxSUNKEN_BORDER) ||
-        (m_windowStyle & wxDOUBLE_BORDER)
-       )
-    {
-        ulFlags |= FCF_BORDER;
-    }
-    OS2Create( m_windowId
-              ,pParent
-              ,wxCanvasClassName
-              ,this
-              ,NULL
-              ,rPos.x
-              ,rPos.y
+    if (lStyle & wxSIMPLE_BORDER)
+        dwExStyle |= wxSIMPLE_BORDER;
+
+    //
+    // Generic OS/2 Windows are created with no owner, no Z Order, no Control data,
+    // and no presentation parameters
+    //
+    OS2Create( hParent
+              ,(PSZ)wxCanvasClassName
+              ,rName.c_str()
+              ,ulCreateFlags
+              ,vPos.x
+              ,vPos.y
               ,WidthDefault(rSize.x)
               ,HeightDefault(rSize.y)
-              ,ulFlags
+              ,NULLHANDLE
+              ,NULLHANDLE
+              ,m_windowId
+              ,NULL
               ,NULL
               ,dwExStyle
              );
+
     return(TRUE);
-} // end of wxWindow::Create
+} // end of wxWindowOS2::Create
 
 // ---------------------------------------------------------------------------
 // basic operations
 // ---------------------------------------------------------------------------
 
-void wxWindow::SetFocus()
+void wxWindowOS2::SetFocus()
 {
     HWND                            hWnd = GetHwnd();
 
     if (hWnd)
         ::WinSetFocus(HWND_DESKTOP, hWnd);
-} // end of wxWindow::SetFocus
+} // end of wxWindowOS2::SetFocus
 
 wxWindow* wxWindowBase::FindFocus()
 {
@@ -412,7 +468,7 @@ wxWindow* wxWindowBase::FindFocus()
     return NULL;
 } // wxWindowBase::FindFocus
 
-bool wxWindow::Enable(
+bool wxWindowOS2::Enable(
   bool                              bEnable
 )
 {
@@ -434,9 +490,9 @@ bool wxWindow::Enable(
         pNode = pNode->GetNext();
     }
     return(TRUE);
-} // end of wxWindow::Enable
+} // end of wxWindowOS2::Enable
 
-bool wxWindow::Show(
+bool wxWindowOS2::Show(
   bool                              bShow
 )
 {
@@ -452,31 +508,31 @@ bool wxWindow::Show(
         ::WinSetWindowPos(hWnd, HWND_TOP, 0, 0, 0, 0, SWP_ACTIVATE | SWP_ZORDER);
     }
     return(TRUE);
-} // end of wxWindow::Show
+} // end of wxWindowOS2::Show
 
-void wxWindow::Raise()
+void wxWindowOS2::Raise()
 {
     ::WinSetWindowPos(GetHwnd(), HWND_TOP, 0, 0, 0, 0, SWP_ZORDER | SWP_ACTIVATE);
-} // end of wxWindow::Raise
+} // end of wxWindowOS2::Raise
 
-void wxWindow::Lower()
+void wxWindowOS2::Lower()
 {
     ::WinSetWindowPos(GetHwnd(), HWND_BOTTOM, 0, 0, 0, 0, SWP_ZORDER | SWP_DEACTIVATE);
-} // end of wxWindow::Lower
+} // end of wxWindowOS2::Lower
 
-void wxWindow::SetTitle(
+void wxWindowOS2::SetTitle(
   const wxString&                   rTitle
 )
 {
     ::WinSetWindowText(GetHwnd(), rTitle.c_str());
-} // end of wxWindow::SetTitle
+} // end of wxWindowOS2::SetTitle
 
-wxString wxWindow::GetTitle() const
+wxString wxWindowOS2::GetTitle() const
 {
     return wxGetWindowText(GetHWND());
-} // end of wxWindow::GetTitle
+} // end of wxWindowOS2::GetTitle
 
-void wxWindow::CaptureMouse()
+void wxWindowOS2::CaptureMouse()
 {
     HWND                            hWnd = GetHwnd();
 
@@ -485,18 +541,24 @@ void wxWindow::CaptureMouse()
         ::WinSetCapture(HWND_DESKTOP, hWnd);
         m_bWinCaptured = TRUE;
     }
-} // end of wxWindow::GetTitle
+} // end of wxWindowOS2::GetTitle
 
-void wxWindow::ReleaseMouse()
+void wxWindowOS2::ReleaseMouse()
 {
     if (m_bWinCaptured)
     {
         ::WinSetCapture(HWND_DESKTOP, NULLHANDLE);
         m_bWinCaptured = FALSE;
     }
-} // end of wxWindow::ReleaseMouse
+} // end of wxWindowOS2::ReleaseMouse
+
+/* static */ wxWindow* wxWindowBase::GetCapture()
+{
+    HWND hwnd = ::WinQueryCapture(HWND_DESKTOP);
+    return hwnd ? wxFindWinFromHandle((WXHWND)hwnd) : (wxWindow *)NULL;
+} // end of wxWindowBase::GetCapture
 
-bool wxWindow::SetFont(
+bool wxWindowOS2::SetFont(
   const wxFont&                     rFont
 )
 {
@@ -518,7 +580,7 @@ bool wxWindow::SetFont(
     return(TRUE);
 }
 
-bool wxWindow::SetCursor(
+bool wxWindowOS2::SetCursor(
   const wxCursor&                   rCursor
 ) // check if base implementation is OK
 {
@@ -549,9 +611,9 @@ bool wxWindow::SetCursor(
         ::WinSetPointer(HWND_DESKTOP, (HPOINTER)m_cursor.GetHCURSOR());
     }
     return TRUE;
-} // end of wxWindow::SetCursor
+} // end of wxWindowOS2::SetCursor
 
-void wxWindow::WarpPointer(
+void wxWindowOS2::WarpPointer(
   int                               nXPos
 , int                               nYPos
 )
@@ -565,10 +627,10 @@ void wxWindow::WarpPointer(
     nY += vRect.yBottom;
 
     ::WinSetPointerPos(HWND_DESKTOP, (LONG)nX, (LONG)(nY));
-} // end of wxWindow::WarpPointer
+} // end of wxWindowOS2::WarpPointer
 
 #if WXWIN_COMPATIBILITY
-void wxWindow::OS2DeviceToLogical (float *x, float *y) const
+void wxWindowOS2::OS2DeviceToLogical (float *x, float *y) const
 {
 }
 #endif // WXWIN_COMPATIBILITY
@@ -578,28 +640,45 @@ void wxWindow::OS2DeviceToLogical (float *x, float *y) const
 // ---------------------------------------------------------------------------
 
 #if WXWIN_COMPATIBILITY
-void wxWindow::SetScrollRange(
+void wxWindowOS2::SetScrollRange(
   int                               nOrient
 , int                               nRange
 , bool                              bRefresh
 )
 {
-    ::WinSendMsg(GetHwnd(), SBM_SETSCROLLBAR, (MPARAM)0, MPFROM2SHORT(0, nRange));
-} // end of wxWindow::SetScrollRange
+    int                             nRange1 = nRange;
+    int                             nPageSize = GetScrollPage(nOrient);
+
+    if (nPpageSize > 1 && nRange > 0)
+    {
+        nRange1 += (nPageSize - 1);
+    }
+
+    if (nOrient == wxHORIZONTAL)
+    {
+        ::WinSendMsg(m_hWndScrollBarHorz, SBM_SETSCROLLBAR, (MPARAM)0, MPFROM2SHORT(0, (SHORT)nRange1));
+        ::WinSendMsg(m_hWndScrollBarHorz, SBM_SETTHUMBSIZE, MPFROM2SHORT((SHORT)nThumbVisible, (SHORT)nRange1), (MPARAM)0);
+    }
+    else
+    {
+        ::WinSendMsg(m_hWndScrollBarVert, SBM_SETSCROLLBAR, (MPARAM)0, MPFROM2SHORT(0, (SHORT)nRange1));
+        ::WinSendMsg(m_hWndScrollBarVert, SBM_SETTHUMBSIZE, MPFROM2SHORT((SHORT)nThumbVisible, (SHORT)nRange1), (MPARAM)0);
+    }
+} // end of wxWindowOS2::SetScrollRange
 
-void wxWindow::SetScrollPage(
+void wxWindowOS2::SetScrollPage(
   int                               nOrient
 , int                               nPage
 , bool                              bRefresh
 )
 {
-    if ( orient == wxHORIZONTAL )
-        m_xThumbSize = page;
+    if (nOrient == wxHORIZONTAL )
+        m_nXThumbSize = nPage;
     else
-        m_yThumbSize = page;
-}
+        m_nYThumbSize = nPage;
+} // end of wxWindowOS2::SetScrollPage
 
-int wxWindow::OldGetScrollRange(
+int wxWindowOS2::OldGetScrollRange(
   int                               nOrient
 ) const
 {
@@ -612,9 +691,9 @@ int wxWindow::OldGetScrollRange(
         return(SHORT2FROMMR(mRc));
      }
      return 0;
-} // end of wxWindow::OldGetScrollRange
+} // end of wxWindowOS2::OldGetScrollRange
 
-int  wxWindow::GetScrollPage(
+int  wxWindowOS2::GetScrollPage(
   int                               nOrient
 ) const
 {
@@ -622,48 +701,55 @@ int  wxWindow::GetScrollPage(
         return m_nXThumbSize;
     else
         return m_nYThumbSize;
-} // end of wxWindow::GetScrollPage
+} // end of wxWindowOS2::GetScrollPage
 #endif // WXWIN_COMPATIBILITY
 
-int  wxWindow::GetScrollPos(
+int  wxWindowOS2::GetScrollPos(
   int                               nOrient
 ) const
 {
-    return((int)::WinSendMsg(GetHwnd(), SBM_QUERYPOS, (MPARAM)NULL, (MPARAM)NULL));
-} // end of wxWindow::GetScrollPos
+    if (nOrient == wxHORIZONTAL)
+        return((int)::WinSendMsg(m_hWndScrollBarHorz, SBM_QUERYPOS, (MPARAM)NULL, (MPARAM)NULL));
+    else
+        return((int)::WinSendMsg(m_hWndScrollBarVert, SBM_QUERYPOS, (MPARAM)NULL, (MPARAM)NULL));
+} // end of wxWindowOS2::GetScrollPos
 
-int wxWindow::GetScrollRange(
+int wxWindowOS2::GetScrollRange(
   int                               nOrient
 ) const
 {
     MRESULT                         mr;
 
-    mr = ::WinSendMsg(GetHwnd(), SBM_QUERYRANGE, (MPARAM)NULL, (MPARAM)NULL);
+    if (nOrient == wxHORIZONTAL)
+        mr = ::WinSendMsg(m_hWndScrollBarHorz, SBM_QUERYRANGE, (MPARAM)NULL, (MPARAM)NULL);
+    else
+        mr = ::WinSendMsg(m_hWndScrollBarVert, SBM_QUERYRANGE, (MPARAM)NULL, (MPARAM)NULL);
     return((int)SHORT2FROMMR(mr));
-} // end of wxWindow::GetScrollRange
+} // end of wxWindowOS2::GetScrollRange
 
-int wxWindow::GetScrollThumb(
+int wxWindowOS2::GetScrollThumb(
   int                               nOrient
 ) const
 {
-    WNDPARAMS                       vWndParams;
-    PSBCDATA                        pSbcd;
-
-    ::WinSendMsg(GetHwnd(), WM_QUERYWINDOWPARAMS, (MPARAM)&vWndParams, (MPARAM)NULL);
-    pSbcd = (PSBCDATA)vWndParams.pCtlData;
-    return((int)pSbcd->posThumb);
-} // end of wxWindow::GetScrollThumb
+    if (nOrient == wxHORIZONTAL )
+        return m_nXThumbSize;
+    else
+        return m_nYThumbSize;
+} // end of wxWindowOS2::GetScrollThumb
 
-void wxWindow::SetScrollPos(
+void wxWindowOS2::SetScrollPos(
   int                               nOrient
 , int                               nPos
 , bool                              bRefresh
 )
 {
-    ::WinSendMsg(GetHwnd(), SBM_SETPOS, (MPARAM)nPos, (MPARAM)NULL);
-} // end of wxWindow::SetScrollPos(
+    if (nOrient == wxHORIZONTAL )
+        ::WinSendMsg(m_hWndScrollBarHorz, SBM_SETPOS, (MPARAM)nPos, (MPARAM)NULL);
+    else
+        ::WinSendMsg(m_hWndScrollBarVert, SBM_SETPOS, (MPARAM)nPos, (MPARAM)NULL);
+} // end of wxWindowOS2::SetScrollPos(
 
-void wxWindow::SetScrollbar(
+void wxWindowOS2::SetScrollbar(
   int                               nOrient
 , int                               nPos
 , int                               nThumbVisible
@@ -671,104 +757,295 @@ void wxWindow::SetScrollbar(
 , bool                              bRefresh
 )
 {
-    ::WinSendMsg(GetHwnd(), SBM_SETSCROLLBAR, (MPARAM)nPos, MPFROM2SHORT(0, nRange));
-    if (nOrient == wxHORIZONTAL)
+    int                             nOldRange = nRange - nThumbVisible;
+    int                             nRange1 = nOldRange;
+    int                             nPageSize = nThumbVisible;
+    SBCDATA                         vInfo;
+    HWND                            hWnd = GetHwnd();
+    ULONG                           ulStyle = WS_VISIBLE | WS_SYNCPAINT;
+    RECTL                           vRect;
+
+    ::WinQueryWindowRect(hWnd, &vRect);
+    if (nPageSize > 1 && nRange > 0)
     {
-        m_nXThumbSize = nThumbVisible;
+        nRange1 += (nPageSize - 1);
+    }
+
+    vInfo.cb = sizeof(SBCDATA);
+    vInfo.posFirst = 0;
+    vInfo.posLast = (SHORT)nRange1;
+    vInfo.posThumb = nPos;
+
+    if (nOrient == wxHORIZONTAL )
+    {
+        ulStyle |= SBS_HORZ;
+        if (m_hWndScrollBarHorz == 0L)
+        {
+            //
+            // We create the scrollbars with the desktop so that they are not
+            // registered as child windows of the window in order that child
+            // windows may be scrolled without scrolling the scrollbars themselves!
+            //
+            m_hWndScrollBarHorz = ::WinCreateWindow( hWnd
+                                                    ,WC_SCROLLBAR
+                                                    ,(PSZ)NULL
+                                                    ,ulStyle
+                                                    ,vRect.xLeft
+                                                    ,vRect.yBottom
+                                                    ,vRect.xRight - vRect.xLeft
+                                                    ,20
+                                                    ,hWnd
+                                                    ,HWND_TOP
+                                                    ,FID_HORZSCROLL
+                                                    ,&vInfo
+                                                    ,NULL
+                                                   );
+        }
+        else
+        {
+            RECTL                   vRect2;
+
+            //
+            // Only want to resize the scrollbar if it changes, otherwise
+            // we'd probably end up in a recursive loop until we crash the call stack
+            // because this method is called in a ScrolledWindow OnSize event and SWP_MOVE | SWP_SIZE
+            // generates those events.
+            //
+            ::WinQueryWindowRect(m_hWndScrollBarHorz, &vRect2);
+            if (!(vRect2.xLeft == vRect.xLeft     &&
+                  vRect2.xRight == vRect.xRight   &&
+                  vRect2.yBottom == vRect.yBottom &&
+                  vRect2.yTop == vRect.yTop
+                ) )
+            {
+                ::WinSetWindowPos( m_hWndScrollBarHorz
+                                  ,HWND_TOP
+                                  ,vRect.xLeft
+                                  ,vRect.yBottom
+                                  ,vRect.xRight - vRect.xLeft
+                                  ,20
+                                  ,SWP_ACTIVATE | SWP_MOVE | SWP_SIZE | SWP_SHOW
+                                 );
+            }
+            ::WinSendMsg(m_hWndScrollBarHorz, SBM_SETSCROLLBAR, (MPARAM)nPos, MPFROM2SHORT(0, (SHORT)nRange1));
+            ::WinSendMsg(m_hWndScrollBarHorz, SBM_SETTHUMBSIZE, MPFROM2SHORT((SHORT)nThumbVisible, (SHORT)nRange1), (MPARAM)0);
+        }
     }
     else
     {
+        ulStyle |= SBS_VERT;
+        if (m_hWndScrollBarVert == 0L)
+        {
+            m_hWndScrollBarVert = ::WinCreateWindow( hWnd
+                                                    ,WC_SCROLLBAR
+                                                    ,(PSZ)NULL
+                                                    ,ulStyle
+                                                    ,vRect.xRight - 20
+                                                    ,vRect.yBottom + 20
+                                                    ,20
+                                                    ,vRect.yTop - (vRect.yBottom + 20)
+                                                    ,hWnd
+                                                    ,HWND_TOP
+                                                    ,FID_VERTSCROLL
+                                                    ,&vInfo
+                                                    ,NULL
+                                                   );
+        }
+        else
+        {
+            RECTL                   vRect2;
+
+            //
+            // Only want to resize the scrollbar if it changes, otherwise
+            // we'd probably end up in a recursive loop until we crash the call stack
+            // because this method is called in a ScrolledWindow OnSize event and SWP_MOVE | SWP_SIZE
+            // generates those events.
+            //
+            ::WinQueryWindowRect(m_hWndScrollBarVert, &vRect2);
+            if (!(vRect2.xLeft == vRect.xLeft     &&
+                  vRect2.xRight == vRect.xRight   &&
+                  vRect2.yBottom == vRect.yBottom &&
+                  vRect2.yTop == vRect.yTop
+                ) )
+            {
+                ::WinSetWindowPos( m_hWndScrollBarVert
+                                  ,HWND_TOP
+                                  ,vRect.xRight - 20
+                                  ,vRect.yBottom + 20
+                                  ,20
+                                  ,vRect.yTop - (vRect.yBottom + 20)
+                                  ,SWP_ACTIVATE | SWP_MOVE | SWP_SIZE | SWP_SHOW
+                                 );
+            }
+            ::WinSendMsg(m_hWndScrollBarVert, SBM_SETSCROLLBAR, (MPARAM)nPos, MPFROM2SHORT(0, (SHORT)nRange1));
+            ::WinSendMsg(m_hWndScrollBarVert, SBM_SETTHUMBSIZE, MPFROM2SHORT((SHORT)nThumbVisible, (SHORT)nRange1), (MPARAM)0);
+        }
         m_nYThumbSize = nThumbVisible;
     }
-} // end of wxWindow::SetScrollbar
+} // end of wxWindowOS2::SetScrollbar
 
-void wxWindow::ScrollWindow(
+void wxWindowOS2::ScrollWindow(
   int                               nDx
 , int                               nDy
 , const wxRect*                     pRect
 )
 {
+    RECTL                           vRect;
     RECTL                           vRect2;
 
+    nDy *= -1; // flip the sign of Dy as OS/2 is opposite wxWin.
     if (pRect)
     {
         vRect2.xLeft   = pRect->x;
-        vRect2.yTop    = pRect->y;
+        vRect2.yTop    = pRect->y + pRect->height;
         vRect2.xRight  = pRect->x + pRect->width;
-        vRect2.yBottom = pRect->y + pRect->height;
+        vRect2.yBottom = pRect->y;
     }
+    else
+    {
+        ::WinQueryWindowRect(GetHwnd(), &vRect2);
+        ::WinQueryWindowRect(m_hWndScrollBarHorz, &vRect);
+        vRect2.yBottom += vRect.yTop - vRect.yBottom;
+        ::WinQueryWindowRect(m_hWndScrollBarVert, &vRect);
+        vRect2.xRight -= vRect.xRight - vRect.xLeft;
 
+    }
     if (pRect)
-        ::WinScrollWindow(GetHwnd(), (LONG)nDx, (LONG)nDy, &vRect2, NULL, NULLHANDLE, NULL, 0L);
+        ::WinScrollWindow( GetHwnd()
+                          ,(LONG)nDx
+                          ,(LONG)nDy
+                          ,&vRect2
+                          ,NULL
+                          ,NULLHANDLE
+                          ,NULL
+                          ,SW_INVALIDATERGN
+                         );
     else
-        ::WinScrollWindow(GetHwnd(), nDx, nDy, NULL, NULL, NULLHANDLE, NULL, 0L);
-} // end of wxWindow::ScrollWindow
+        ::WinScrollWindow( GetHwnd()
+                          ,nDx
+                          ,nDy
+                          ,NULL
+                          ,NULL
+                          ,NULLHANDLE
+                          ,NULL
+                          ,SW_INVALIDATERGN
+                         );
+
+    //
+    // Move the children
+    wxWindowList::Node*             pCurrent = GetChildren().GetFirst();
+    SWP                             vSwp;
+
+    while (pCurrent)
+    {
+        wxWindow*                   pChildWin = pCurrent->GetData();
+
+        if (pChildWin->GetHWND() != NULLHANDLE)
+        {
+            ::WinQueryWindowPos(pChildWin->GetHWND(), &vSwp);
+            ::WinQueryWindowRect(pChildWin->GetHWND(), &vRect);
+            if (pChildWin->GetHWND() == m_hWndScrollBarVert ||
+                pChildWin->GetHWND() == m_hWndScrollBarHorz)
+            {
+                ::WinSetWindowPos( pChildWin->GetHWND()
+                                  ,HWND_TOP
+                                  ,vSwp.x + nDx
+                                  ,vSwp.y + nDy
+                                  ,0
+                                  ,0
+                                  ,SWP_MOVE | SWP_SHOW | SWP_ZORDER
+                                 );
+            }
+            else
+            {
+                ::WinSetWindowPos( pChildWin->GetHWND()
+                                  ,HWND_BOTTOM
+                                  ,vSwp.x + nDx
+                                  ,vSwp.y + nDy
+                                  ,0
+                                  ,0
+                                  ,SWP_MOVE | SWP_ZORDER
+                                 );
+                ::WinInvalidateRect(pChildWin->GetHWND(), &vRect, FALSE);
+            }
+        }
+        pCurrent = pCurrent->GetNext();
+    }
+} // end of wxWindowOS2::ScrollWindow
 
 // ---------------------------------------------------------------------------
 // subclassing
 // ---------------------------------------------------------------------------
 
-void wxWindow::SubclassWin(
+void wxWindowOS2::SubclassWin(
   WXHWND                            hWnd
 )
 {
     HWND                            hwnd = (HWND)hWnd;
 
     wxASSERT_MSG( !m_fnOldWndProc, wxT("subclassing window twice?") );
-
     wxCHECK_RET(::WinIsWindow(vHabmain, hwnd), wxT("invalid HWND in SubclassWin") );
-
-    wxAssociateWinWithHandle(hwnd, this);
-
     m_fnOldWndProc = (WXFARPROC) ::WinSubclassWindow(hwnd, (PFNWP)wxWndProc);
-    ::WinSetWindowULong(hwnd, QWS_USER, (ULONG)wxWndProc);
-} // end of wxWindow::SubclassWin
+} // end of wxWindowOS2::SubclassWin
 
-void wxWindow::UnsubclassWin()
+void wxWindowOS2::UnsubclassWin()
 {
-    wxRemoveHandleAssociation(this);
-
     //
     // Restore old Window proc
     //
-    HWND                            hwnd = GetHwnd();
+    HWND                            hwnd = GetHWND();
 
-    if (hwnd)
+    if (m_hWnd)
     {
-        m_hWnd = 0;
-
         wxCHECK_RET( ::WinIsWindow(vHabmain, hwnd), wxT("invalid HWND in UnsubclassWin") );
 
-        PFNWP                       fnProc = (PFNWP)::WinQueryWindowULong(hwnd, QWS_USER);
+        PFNWP                       fnProc = (PFNWP)::WinQueryWindowPtr(hwnd, QWP_PFNWP);
+
         if ( (m_fnOldWndProc != 0) && (fnProc != (PFNWP) m_fnOldWndProc))
         {
             WinSubclassWindow(hwnd, (PFNWP)m_fnOldWndProc);
             m_fnOldWndProc = 0;
         }
     }
-} // end of wxWindow::UnsubclassWin
+} // end of wxWindowOS2::UnsubclassWin
 
 //
 // Make a Windows extended style from the given wxWindows window style
 //
-WXDWORD wxWindow::MakeExtendedStyle(
+WXDWORD wxWindowOS2::MakeExtendedStyle(
   long                              lStyle
 , bool                              bEliminateBorders
 )
 {
    //
-   // PM does not support extended style
+   // Simply fill out with wxWindow extended styles.  We'll conjure
+   // something up in OS2Create and all window redrawing pieces later
    //
-    WXDWORD                         exStyle = 0;
-    return exStyle;
-} // end of wxWindow::MakeExtendedStyle
+    WXDWORD                         dwStyle = 0;
+
+    if (lStyle & wxTRANSPARENT_WINDOW )
+        dwStyle |= wxTRANSPARENT_WINDOW;
+
+    if (!bEliminateBorders)
+    {
+        if (lStyle & wxSUNKEN_BORDER)
+            dwStyle |= wxSUNKEN_BORDER;
+        if (lStyle & wxDOUBLE_BORDER)
+            dwStyle |= wxDOUBLE_BORDER;
+        if (lStyle & wxRAISED_BORDER )
+            dwStyle |= wxRAISED_BORDER;
+        if (lStyle & wxSTATIC_BORDER)
+            dwStyle |= wxSTATIC_BORDER;
+    }
+    return dwStyle;
+} // end of wxWindowOS2::MakeExtendedStyle
 
 //
-// Determines whether native 3D effects or CTL3D should be used,
+// Determines whether simulated 3D effects or CTL3D should be used,
 // applying a default border style if required, and returning an extended
-// style to pass to CreateWindowEx.
+// style to pass to OS2Create.
 //
-WXDWORD wxWindow::Determine3DEffects(
+WXDWORD wxWindowOS2::Determine3DEffects(
   WXDWORD                           dwDefaultBorderStyle
 , bool*                             pbWant3D
 ) const
@@ -776,14 +1053,70 @@ WXDWORD wxWindow::Determine3DEffects(
     WXDWORD                         dwStyle = 0L;
 
     //
-    // Native PM does not have any specialize 3D effects like WIN32 does
+    // Native PM does not have any specialize 3D effects like WIN32 does,
+    // so we have to try and invent them.
     //
-    *pbWant3D = FALSE;
+
+    //
+    // If matches certain criteria, then assume no 3D effects
+    // unless specifically requested (dealt with in MakeExtendedStyle)
+    //
+    if (!GetParent()                    ||
+        !IsKindOf(CLASSINFO(wxControl)) ||
+        (m_windowStyle & wxNO_BORDER)
+       )
+    {
+        *pbWant3D = FALSE;
+        return MakeExtendedStyle(m_windowStyle, FALSE);
+    }
+
+    //
+    // 1) App can specify global 3D effects
+    //
+    *pbWant3D = wxTheApp->GetAuto3D();
+
+    //
+    // 2) If the parent is being drawn with user colours, or simple border
+    //    specified, switch effects off.
+    //
+    if (GetParent() &&
+        (GetParent()->GetWindowStyleFlag() & wxUSER_COLOURS) ||
+        (m_windowStyle & wxSIMPLE_BORDER)
+       )
+        *pbWant3D = FALSE;
+
+    //
+    // 3) Control can override this global setting by defining
+    //    a border style, e.g. wxSUNKEN_BORDER
+    //
+    if ((m_windowStyle & wxDOUBLE_BORDER) ||
+        (m_windowStyle & wxRAISED_BORDER) ||
+        (m_windowStyle & wxSTATIC_BORDER) ||
+        (m_windowStyle & wxSUNKEN_BORDER)
+       )
+        *pbWant3D = TRUE;
+
+    dwStyle = MakeExtendedStyle( m_windowStyle
+                                ,FALSE
+                               );
+
+    //
+    // If we want 3D, but haven't specified a border here,
+    // apply the default border style specified.
+    //
+    if (dwDefaultBorderStyle && (*pbWant3D) &&
+        !((m_windowStyle & wxDOUBLE_BORDER) ||
+          (m_windowStyle & wxRAISED_BORDER) ||
+          (m_windowStyle & wxSTATIC_BORDER) ||
+          (m_windowStyle & wxSIMPLE_BORDER)
+         )
+        )
+        dwStyle |= dwDefaultBorderStyle;
     return dwStyle;
-} // end of wxWindow::Determine3DEffects
+} // end of wxWindowOS2::Determine3DEffects
 
 #if WXWIN_COMPATIBILITY
-void wxWindow::OnCommand(
+void wxWindowOS2::OnCommand(
   wxWindow&                         rWin
 , wxCommandEvent&                   rEvent
 )
@@ -794,9 +1127,9 @@ void wxWindow::OnCommand(
         m_parent->GetEventHandler()->OnCommand( rWin
                                                ,rEvent
                                               );
-} // end of wxWindow::OnCommand
+} // end of wxWindowOS2::OnCommand
 
-wxObject* wxWindow::GetChild(
+wxObject* wxWindowOS2::GetChild(
   int                               nNumber
 ) const
 {
@@ -815,20 +1148,20 @@ wxObject* wxWindow::GetChild(
     }
     else
         return NULL;
-} // end of wxWindow::GetChild
+} // end of wxWindowOS2::GetChild
 
 #endif // WXWIN_COMPATIBILITY
 
 //
 // Setup background and foreground colours correctly
 //
-void wxWindow::SetupColours()
+void wxWindowOS2::SetupColours()
 {
     if ( GetParent() )
         SetBackgroundColour(GetParent()->GetBackgroundColour());
-} // end of wxWindow::SetupColours
+} // end of wxWindowOS2::SetupColours
 
-void wxWindow::OnIdle(
+void wxWindowOS2::OnIdle(
   wxIdleEvent&                      rEvent
 )
 {
@@ -870,12 +1203,12 @@ void wxWindow::OnIdle(
         }
     }
     UpdateWindowUI();
-} // end of wxWindow::OnIdle
+} // end of wxWindowOS2::OnIdle
 
 //
 // Set this window to be the child of 'parent'.
 //
-bool wxWindow::Reparent(
+bool wxWindowOS2::Reparent(
   wxWindow*                         pParent
 )
 {
@@ -887,9 +1220,9 @@ bool wxWindow::Reparent(
 
     ::WinSetParent(hWndChild, hWndParent, TRUE);
     return TRUE;
-} // end of wxWindow::Reparent
+} // end of wxWindowOS2::Reparent
 
-void wxWindow::Clear()
+void wxWindowOS2::Clear()
 {
     wxClientDC                      vDc(this);
     wxBrush                         vBrush( GetBackgroundColour()
@@ -898,9 +1231,9 @@ void wxWindow::Clear()
 
     vDc.SetBackground(vBrush);
     vDc.Clear();
-} // end of wxWindow::Clear
+} // end of wxWindowOS2::Clear
 
-void wxWindow::Refresh(
+void wxWindowOS2::Refresh(
   bool                              bEraseBack
 , const wxRect*                     pRect
 )
@@ -923,14 +1256,14 @@ void wxWindow::Refresh(
         else
             ::WinInvalidateRect(hWnd, NULL, bEraseBack);
     }
-} // end of wxWindow::Refresh
+} // end of wxWindowOS2::Refresh
 
 // ---------------------------------------------------------------------------
 // drag and drop
 // ---------------------------------------------------------------------------
 
 #if wxUSE_DRAG_AND_DROP
-void wxWindow::SetDropTarget(
+void wxWindowOS2::SetDropTarget(
   wxDropTarget*                     pDropTarget
 )
 {
@@ -942,14 +1275,14 @@ void wxWindow::SetDropTarget(
     m_dropTarget = pDropTarget;
     if (m_dropTarget != 0)
         m_dropTarget->Register(m_hWnd);
-} // end of wxWindow::SetDropTarget
+} // end of wxWindowOS2::SetDropTarget
 #endif
 
 //
 // old style file-manager drag&drop support: we retain the old-style
 // DragAcceptFiles in parallel with SetDropTarget.
 //
-void wxWindow::DragAcceptFiles(
+void wxWindowOS2::DragAcceptFiles(
   bool                              bAccept
 )
 {
@@ -957,7 +1290,7 @@ void wxWindow::DragAcceptFiles(
 
     if (hWnd && bAccept)
         ::DrgAcceptDroppedFiles(hWnd, NULL, NULL, DO_COPY, 0L);
-} // end of wxWindow::DragAcceptFiles
+} // end of wxWindowOS2::DragAcceptFiles
 
 // ----------------------------------------------------------------------------
 // tooltips
@@ -965,7 +1298,7 @@ void wxWindow::DragAcceptFiles(
 
 #if wxUSE_TOOLTIPS
 
-void wxWindow::DoSetToolTip(
+void wxWindowOS2::DoSetToolTip(
   wxToolTip*                        pTooltip
 )
 {
@@ -973,7 +1306,7 @@ void wxWindow::DoSetToolTip(
 
     if (m_tooltip)
         m_tooltip->SetWindow(this);
-} // end of wxWindow::DoSetToolTip
+} // end of wxWindowOS2::DoSetToolTip
 
 #endif // wxUSE_TOOLTIPS
 
@@ -982,7 +1315,7 @@ void wxWindow::DoSetToolTip(
 // ---------------------------------------------------------------------------
 
 // Get total size
-void wxWindow::DoGetSize(
+void wxWindowOS2::DoGetSize(
   int*                              pWidth
 , int*                              pHeight
 ) const
@@ -997,9 +1330,9 @@ void wxWindow::DoGetSize(
     if (pHeight )
         // OS/2 PM is backwards from windows
         *pHeight = vRect.yTop - vRect.yBottom;
-} // end of wxWindow::DoGetSize
+} // end of wxWindowOS2::DoGetSize
 
-void wxWindow::DoGetPosition(
+void wxWindowOS2::DoGetPosition(
   int*                              pX
 , int*                              pY
 ) const
@@ -1052,9 +1385,9 @@ void wxWindow::DoGetPosition(
         *pX = vPoint.x;
     if  (pY)
         *pY = vPoint.y;
-} // end of wxWindow::DoGetPosition
+} // end of wxWindowOS2::DoGetPosition
 
-void wxWindow::DoScreenToClient(
+void wxWindowOS2::DoScreenToClient(
   int*                              pX
 , int*                              pY
 ) const
@@ -1068,9 +1401,9 @@ void wxWindow::DoScreenToClient(
         *pX -= vSwp.x;
     if (pY)
         *pY -= vSwp.y;
-} // end of wxWindow::DoScreenToClient
+} // end of wxWindowOS2::DoScreenToClient
 
-void wxWindow::DoClientToScreen(
+void wxWindowOS2::DoClientToScreen(
   int*                              pX
 , int*                              pY
 ) const
@@ -1084,13 +1417,13 @@ void wxWindow::DoClientToScreen(
         *pX += vSwp.x;
     if (pY)
         *pY += vSwp.y;
-} // end of wxWindow::DoClientToScreen
+} // end of wxWindowOS2::DoClientToScreen
 
 //
 // Get size *available for subwindows* i.e. excluding menu bar etc.
 // Must be a frame type window
 //
-void wxWindow::DoGetClientSize(
+void wxWindowOS2::DoGetClientSize(
   int*                              pWidth
 , int*                              pHeight
 ) const
@@ -1099,22 +1432,39 @@ void wxWindow::DoGetClientSize(
     HWND                            hWndClient;
     RECTL                           vRect;
 
-    hWndClient = ::WinWindowFromID(GetHwnd(), FID_CLIENT);
-    ::WinQueryWindowRect(hWndClient, &vRect);
+    if (IsKindOf(CLASSINFO(wxFrame)))
+        hWndClient = ::WinWindowFromID(GetHwnd(), FID_CLIENT);
+    else
+        hWndClient = NULLHANDLE;
+    if( hWndClient == NULLHANDLE)
+       ::WinQueryWindowRect(GetHwnd(), &vRect);
+    else
+       ::WinQueryWindowRect(hWndClient, &vRect);
 
     if (pWidth)
         *pWidth  = vRect.xRight;
     if (pHeight)
         *pHeight = vRect.yTop;
-} // end of wxWindow::DoGetClientSize
+} // end of wxWindowOS2::DoGetClientSize
 
-void wxWindow::DoMoveWindow(
+void wxWindowOS2::DoMoveWindow(
   int                               nX
 , int                               nY
 , int                               nWidth
 , int                               nHeight
 )
 {
+    RECTL                           vRect;
+    HWND                            hParent;
+    wxWindow*                       pParent = GetParent();
+
+    if (pParent)
+        hParent = GetWinHwnd(pParent);
+    else
+        hParent = HWND_DESKTOP;
+    ::WinQueryWindowRect(hParent, &vRect);
+    nY = vRect.yTop - (nY + nHeight);
+
     if ( !::WinSetWindowPos( GetHwnd()
                             ,HWND_TOP
                             ,(LONG)nX
@@ -1126,7 +1476,7 @@ void wxWindow::DoMoveWindow(
     {
         wxLogLastError("MoveWindow");
     }
-} // end of wxWindow::DoMoveWindow
+} // end of wxWindowOS2::DoMoveWindow
 
 //
 // Set the size of the window: if the dimensions are positive, just use them,
@@ -1138,7 +1488,7 @@ void wxWindow::DoMoveWindow(
 // the width/height to best suit our contents, otherwise we reuse the current
 // width/height
 //
-void wxWindow::DoSetSize(
+void wxWindowOS2::DoSetSize(
   int                               nX
 , int                               nY
 , int                               nWidth
@@ -1222,9 +1572,9 @@ void wxWindow::DoSetSize(
                  ,nWidth
                  ,nHeight
                 );
-} // end of wxWindow::DoSetSize
+} // end of wxWindowOS2::DoSetSize
 
-void wxWindow::DoSetClientSize(
+void wxWindowOS2::DoSetClientSize(
   int                               nWidth
 , int                               nHeight
 )
@@ -1281,14 +1631,14 @@ void wxWindow::DoSetClientSize(
 
     vEvent.SetEventObject(this);
     GetEventHandler()->ProcessEvent(vEvent);
-} // end of wxWindow::DoSetClientSize
+} // end of wxWindowOS2::DoSetClientSize
 
-wxPoint wxWindow::GetClientAreaOrigin() const
+wxPoint wxWindowOS2::GetClientAreaOrigin() const
 {
     return wxPoint(0, 0);
-} // end of wxWindow::GetClientAreaOrigin
+} // end of wxWindowOS2::GetClientAreaOrigin
 
-void wxWindow::AdjustForParentClientOrigin(
+void wxWindowOS2::AdjustForParentClientOrigin(
   int&                              rX
 , int&                              rY
 , int                               nSizeFlags
@@ -1309,13 +1659,13 @@ void wxWindow::AdjustForParentClientOrigin(
             rY += vPoint.y;
         }
     }
-} // end of wxWindow::AdjustForParentClientOrigin
+} // end of wxWindowOS2::AdjustForParentClientOrigin
 
 // ---------------------------------------------------------------------------
 // text metrics
 // ---------------------------------------------------------------------------
 
-int wxWindow::GetCharHeight() const
+int wxWindowOS2::GetCharHeight() const
 {
     HPS                             hPs;
     FONTMETRICS                     vFontMetrics;
@@ -1324,13 +1674,15 @@ int wxWindow::GetCharHeight() const
     hPs = ::WinGetPS(GetHwnd());
 
     if(!GpiQueryFontMetrics(hPs, sizeof(FONTMETRICS), &vFontMetrics))
+    {
+        ::WinReleasePS(hPs);
         return (0);
-    else
-        return(vFontMetrics.lMaxAscender + vFontMetrics.lMaxDescender);
+    }
     ::WinReleasePS(hPs);
-} // end of wxWindow::GetCharHeight
+    return(vFontMetrics.lMaxAscender + vFontMetrics.lMaxDescender);
+} // end of wxWindowOS2::GetCharHeight
 
-int wxWindow::GetCharWidth() const
+int wxWindowOS2::GetCharWidth() const
 {
     HPS                             hPs;
     FONTMETRICS                     vFontMetrics;
@@ -1338,13 +1690,15 @@ int wxWindow::GetCharWidth() const
     hPs = ::WinGetPS(GetHwnd());
 
     if(!GpiQueryFontMetrics(hPs, sizeof(FONTMETRICS), &vFontMetrics))
+    {
+        ::WinReleasePS(hPs);
         return (0);
-    else
-        return(vFontMetrics.lAveCharWidth);
+    }
     ::WinReleasePS(hPs);
-} // end of wxWindow::GetCharWidth
+    return(vFontMetrics.lAveCharWidth);
+} // end of wxWindowOS2::GetCharWidth
 
-void wxWindow::GetTextExtent(
+void wxWindowOS2::GetTextExtent(
   const wxString&                   rString
 , int*                              pX
 , int*                              pY
@@ -1401,7 +1755,7 @@ void wxWindow::GetTextExtent(
 // Caret manipulation
 // ---------------------------------------------------------------------------
 
-void wxWindow::CreateCaret(
+void wxWindowOS2::CreateCaret(
   int                               nWidth
 , int                               nHeight
 )
@@ -1410,30 +1764,30 @@ void wxWindow::CreateCaret(
                          ,nWidth
                          ,nHeight
                         ));
-} // end of wxWindow::CreateCaret
+} // end of wxWindowOS2::CreateCaret
 
-void wxWindow::CreateCaret(
+void wxWindowOS2::CreateCaret(
   const wxBitmap*                   pBitmap
 )
 {
     wxFAIL_MSG("not implemented");
-} // end of wxWindow::CreateCaret
+} // end of wxWindowOS2::CreateCaret
 
-void wxWindow::ShowCaret(
+void wxWindowOS2::ShowCaret(
   bool                              bShow
 )
 {
     wxCHECK_RET( m_caret, "no caret to show" );
 
     m_caret->Show(bShow);
-} // end of wxWindow::ShowCaret
+} // end of wxWindowOS2::ShowCaret
 
-void wxWindow::DestroyCaret()
+void wxWindowOS2::DestroyCaret()
 {
     SetCaret(NULL);
-} // end of wxWindow::DestroyCaret
+} // end of wxWindowOS2::DestroyCaret
 
-void wxWindow::SetCaretPos(
+void wxWindowOS2::SetCaretPos(
   int                               nX
 , int                               nY)
 {
@@ -1442,9 +1796,9 @@ void wxWindow::SetCaretPos(
     m_caret->Move( nX
                   ,nY
                  );
-} // end of wxWindow::SetCaretPos
+} // end of wxWindowOS2::SetCaretPos
 
-void wxWindow::GetCaretPos(
+void wxWindowOS2::GetCaretPos(
   int*                              pX
 , int*                              pY
 ) const
@@ -1454,7 +1808,7 @@ void wxWindow::GetCaretPos(
     m_caret->GetPosition( pX
                          ,pY
                         );
-} // end of wxWindow::GetCaretPos
+} // end of wxWindowOS2::GetCaretPos
 
 #endif //wxUSE_CARET
 
@@ -1462,7 +1816,27 @@ void wxWindow::GetCaretPos(
 // popup menu
 // ---------------------------------------------------------------------------
 
-bool wxWindow::DoPopupMenu(
+static void wxYieldForCommandsOnly()
+{
+    //
+    // Peek all WM_COMMANDs (it will always return WM_QUIT too but we don't
+    // want to process it here)
+    //
+    QMSG                            vMsg;
+
+    while (::WinPeekMsg( vHabmain
+                        ,&vMsg
+                        ,(HWND)0
+                        ,WM_COMMAND
+                        ,WM_COMMAND
+                        ,PM_REMOVE
+                       ) && vMsg.msg != WM_QUIT)
+    {
+        wxTheApp->DoMessage((WXMSG*)&vMsg);
+    }
+}
+
+bool wxWindowOS2::DoPopupMenu(
   wxMenu*                           pMenu
 , int                               nX
 , int                               nY
@@ -1488,30 +1862,37 @@ bool wxWindow::DoPopupMenu(
                    ,0L
                    ,PU_MOUSEBUTTON2DOWN | PU_MOUSEBUTTON2 | PU_KEYBOARD
                   );
-    wxYield();
+    // we need to do it righ now as otherwise the events are never going to be
+    // sent to wxCurrentPopupMenu from HandleCommand()
+    //
+    // note that even eliminating (ugly) wxCurrentPopupMenu global wouldn't
+    // help and we'd still need wxYieldForCommandsOnly() as the menu may be
+    // destroyed as soon as we return (it can be a local variable in the caller
+    // for example) and so we do need to process the event immediately
+    wxYieldForCommandsOnly();
     wxCurrentPopupMenu = NULL;
 
     pMenu->SetInvokingWindow(NULL);
     return TRUE;
-} // end of wxWindow::DoPopupMenu
+} // end of wxWindowOS2::DoPopupMenu
 
 // ===========================================================================
 // pre/post message processing
 // ===========================================================================
 
-MRESULT wxWindow::OS2DefWindowProc(
+MRESULT wxWindowOS2::OS2DefWindowProc(
   WXUINT                            uMsg
 , WXWPARAM                          wParam
 , WXLPARAM                          lParam
 )
 {
     if (m_fnOldWndProc)
-        return ((MRESULT)m_fnOldWndProc());
+        return (MRESULT)m_fnOldWndProc(GetHWND(), (ULONG)uMsg, (MPARAM)wParam, (MPARAM)lParam);
     else
-        return (::WinDefWindowProc(GetHwnd(), (ULONG)uMsg, (MPARAM)wParam, (MPARAM)lParam));
-} // end of wxWindow::OS2DefWindowProc
+        return ::WinDefWindowProc(GetHWND(), (ULONG)uMsg, (MPARAM)wParam, (MPARAM)lParam);
+} // end of wxWindowOS2::OS2DefWindowProc
 
-bool wxWindow::OS2ProcessMessage(
+bool wxWindowOS2::OS2ProcessMessage(
   WXMSG*                            pMsg
 )
 {
@@ -1678,12 +2059,12 @@ bool wxWindow::OS2ProcessMessage(
                 }
             }
         }
+        //
+        // Let Dialogs process
+        //
+        if (::WinSendMsg(pQMsg->hwnd, WM_QUERYDLGCODE, pQMsg, 0));
+            return TRUE;
     }
-    //
-    // Let Dialogs process
-    //
-    if (::WinSendMsg(pQMsg->hwnd, WM_QUERYDLGCODE, pQMsg, 0));
-        return TRUE;
 
 #if wxUSE_TOOLTIPS
     if ( m_tooltip )
@@ -1697,20 +2078,24 @@ bool wxWindow::OS2ProcessMessage(
 #endif // wxUSE_TOOLTIPS
 
     return FALSE;
-} // end of wxWindow::OS2ProcessMessage
+} // end of wxWindowOS2::OS2ProcessMessage
 
-bool wxWindow::OS2TranslateMessage(
+bool wxWindowOS2::OS2TranslateMessage(
   WXMSG*                            pMsg
 )
 {
-    return m_acceleratorTable.Translate(this, pMsg);
-} // end of wxWindow::OS2TranslateMessage
+#if wxUSE_ACCEL
+  return m_acceleratorTable.Translate(m_hWnd, pMsg);
+#else
+  return FALSE;
+#endif //wxUSE_ACCEL
+} // end of wxWindowOS2::OS2TranslateMessage
 
 // ---------------------------------------------------------------------------
 // message params unpackers
 // ---------------------------------------------------------------------------
 
-void wxWindow::UnpackCommand(
+void wxWindowOS2::UnpackCommand(
   WXWPARAM                          wParam
 , WXLPARAM                          lParam
 , WORD*                             pId
@@ -1719,11 +2104,11 @@ void wxWindow::UnpackCommand(
 )
 {
     *pId = LOWORD(wParam);
-    *phWnd = (WXHWND)lParam;
-    *pCmd = HIWORD(wParam);
-} // end of wxWindow::UnpackCommand
+    *phWnd = NULL;  // or may be GetHWND() ?
+    *pCmd = LOWORD(lParam);
+} // end of wxWindowOS2::UnpackCommand
 
-void wxWindow::UnpackActivate(
+void wxWindowOS2::UnpackActivate(
   WXWPARAM                          wParam
 , WXLPARAM                          lParam
 , WXWORD*                           pState
@@ -1732,9 +2117,9 @@ void wxWindow::UnpackActivate(
 {
     *pState     = LOWORD(wParam);
     *phWnd      = (WXHWND)lParam;
-} // end of wxWindow::UnpackActivate
+} // end of wxWindowOS2::UnpackActivate
 
-void wxWindow::UnpackScroll(
+void wxWindowOS2::UnpackScroll(
   WXWPARAM                          wParam
 , WXLPARAM                          lParam
 , WXWORD*                           pCode
@@ -1742,12 +2127,21 @@ void wxWindow::UnpackScroll(
 , WXHWND*                           phWnd
 )
 {
-    *pCode = LOWORD(wParam);
-    *pPos  = HIWORD(wParam);
-    *phWnd = (WXHWND)lParam;
-} // end of wxWindow::UnpackScroll
+    ULONG                           ulId;
+    HWND                            hWnd;
+
+    ulId    = (ULONG)LONGFROMMP(wParam);
+    hWnd = ::WinWindowFromID(GetHwnd(), ulId);
+    if (hWnd == m_hWndScrollBarHorz || hWnd == m_hWndScrollBarVert)
+        *phWnd = NULLHANDLE;
+    else
+        *phWnd = hWnd;
 
-void wxWindow::UnpackMenuSelect(
+    *pPos  = SHORT1FROMMP(lParam);
+    *pCode = SHORT2FROMMP(lParam);
+} // end of wxWindowOS2::UnpackScroll
+
+void wxWindowOS2::UnpackMenuSelect(
   WXWPARAM                          wParam
 , WXLPARAM                          lParam
 , WXWORD*                           pItem
@@ -1758,7 +2152,7 @@ void wxWindow::UnpackMenuSelect(
     *pItem = (WXWORD)LOWORD(wParam);
     *pFlags = HIWORD(wParam);
     *phMenu = (WXHMENU)lParam;
-} // end of wxWindow::UnpackMenuSelect
+} // end of wxWindowOS2::UnpackMenuSelect
 
 // ---------------------------------------------------------------------------
 // Main wxWindows window proc and the window proc for wxWindow
@@ -1773,7 +2167,7 @@ wxWindow*                           wxWndHook = NULL;
 //
 // Main window proc
 //
-MRESULT wxWndProc(
+MRESULT EXPENTRY wxWndProc(
   HWND                              hWnd
 , ULONG                             ulMsg
 , MPARAM                            wParam
@@ -1802,7 +2196,8 @@ MRESULT wxWndProc(
         pWnd->SetHWND((WXHWND)hWnd);
     }
 
-    MRESULT                         rc;
+    MRESULT                         rc = (MRESULT)0;
+
 
     //
     // Stop right here if we don't have a valid handle in our wxWindow object.
@@ -1820,6 +2215,7 @@ MRESULT wxWndProc(
         else
             rc = ::WinDefWindowProc(hWnd, ulMsg, wParam, lParam);
     }
+
     return rc;
 } // end of wxWndProc
 
@@ -1827,7 +2223,7 @@ MRESULT wxWndProc(
 // We will add (or delete) messages we need to handle at this default
 // level as we go
 //
-MRESULT wxWindow::OS2WindowProc(
+MRESULT wxWindowOS2::OS2WindowProc(
   WXUINT                            uMsg
 , WXWPARAM                          wParam
 , WXLPARAM                          lParam
@@ -1837,22 +2233,15 @@ MRESULT wxWindow::OS2WindowProc(
     // Did we process the uMsg?
     //
     bool                            bProcessed = FALSE;
-
-    //
-    // The return value
-    //
-    union
-    {
-        bool                        bAllow;
-        MRESULT                     mResult;
-        WXHICON                     hIcon;
-        WXHBRUSH                    hBrush;
-    } vRc;
+    bool                            bAllow;
+    MRESULT                         mResult;
+    WXHICON                         hIcon;
+    WXHBRUSH                        hBrush;
 
     //
     // For most messages we should return 0 when we do process the message
     //
-    vRc.mResult = (MRESULT)0;
+    mResult = (MRESULT)0;
 
     switch (uMsg)
     {
@@ -1868,14 +2257,15 @@ MRESULT wxWindow::OS2WindowProc(
                     //
                     // Return 0 to bAllow window creation
                     //
-                    vRc.mResult = (MRESULT)(bMayCreate ? 0 : -1);
+                    mResult = (MRESULT)(bMayCreate ? 0 : -1);
                 }
             }
             break;
 
         case WM_DESTROY:
-            bProcessed = HandleDestroy();
-            break;
+             HandleDestroy();
+             bProcessed = TRUE;
+             break;
 
         case WM_MOVE:
             bProcessed = HandleMove( LOWORD(lParam)
@@ -1904,6 +2294,7 @@ MRESULT wxWindow::OS2WindowProc(
                 bProcessed = HandleActivate( wState
                                             ,(WXHWND)hWnd
                                            );
+                bProcessed = FALSE;
             }
             break;
 
@@ -1924,7 +2315,7 @@ MRESULT wxWindow::OS2WindowProc(
             // ourselves in ~wxWindow
             //
             bProcessed = TRUE;
-            vRc.mResult = (MRESULT)TRUE;
+            mResult = (MRESULT)TRUE;
             break;
 
         case WM_SHOW:
@@ -1958,7 +2349,6 @@ MRESULT wxWindow::OS2WindowProc(
                 bProcessed = HandleMouseEvent(uMsg, x, y, (WXUINT)wParam);
             }
             break;
-
         case WM_SYSCOMMAND:
             bProcessed = HandleSysCommand(wParam, lParam);
             break;
@@ -1979,27 +2369,28 @@ MRESULT wxWindow::OS2WindowProc(
         case WM_DRAWITEM:
         case WM_MEASUREITEM:
             {
-                int idCtrl = (UINT)wParam;
+                int                 nIdCtrl = (UINT)wParam;
+
                 if ( uMsg == WM_DRAWITEM )
                 {
-                    bProcessed = OS2OnDrawItem(idCtrl,
+                    bProcessed = OS2OnDrawItem(nIdCtrl,
                                               (WXDRAWITEMSTRUCT *)lParam);
                 }
                 else
                 {
-                    bProcessed = OS2OnMeasureItem(idCtrl,
+                    bProcessed = OS2OnMeasureItem(nIdCtrl,
                                                  (WXMEASUREITEMSTRUCT *)lParam);
                 }
 
                 if ( bProcessed )
-                    vRc.mResult = (MRESULT)TRUE;
+                    mResult = (MRESULT)TRUE;
             }
             break;
 
         case WM_QUERYDLGCODE:
             if ( m_lDlgCode )
             {
-                vRc.mResult = (MRESULT)m_lDlgCode;
+                mResult = (MRESULT)m_lDlgCode;
                 bProcessed = TRUE;
             }
             //
@@ -2098,10 +2489,19 @@ MRESULT wxWindow::OS2WindowProc(
 #if defined(__VISAGECPP__) && (__IBMCPP__ >= 400)
         case WM_CTLCOLORCHANGE:
             {
-                bProcessed = HandleCtlColor(&vRc.hBrush);
+                bProcessed = HandleCtlColor(&hBrush);
             }
             break;
 #endif
+        case WM_ERASEBACKGROUND:
+            //
+            // Returning TRUE to requestw PM to paint the window background
+            // in SYSCLR_WINDOW. We don't really want that
+            //
+            bProcessed = HandleEraseBkgnd((WXHDC)(HPS)wParam);
+            mResult = (MRESULT)(FALSE);
+            break;
+
         //
         // Instead of CTLCOLOR messages PM sends QUERYWINDOWPARAMS to
         // things such as colors and fonts and such
@@ -2129,17 +2529,6 @@ MRESULT wxWindow::OS2WindowProc(
             bProcessed = HandlePresParamChanged(wParam);
             break;
 
-        // move this to wxFrame
-        case WM_ERASEBACKGROUND:
-            bProcessed = HandleEraseBkgnd((WXHDC)(HDC)wParam);
-            if (bProcessed)
-            {
-                //
-                // We processed the message, i.e. erased the background
-                //
-                vRc.mResult = (MRESULT)TRUE;
-            }
-            break;
 
         // move all drag and drops to wxDrg
         case WM_ENDDRAG:
@@ -2152,18 +2541,18 @@ MRESULT wxWindow::OS2WindowProc(
             if ( bProcessed )
             {
                 // we never set focus from here
-                vRc.mResult = FALSE;
+                mResult = FALSE;
             }
             break;
 
         // wxFrame specific message
         case WM_MINMAXFRAME:
-            bProcessed = HandleGetMinMaxInfo((PSWP)lParam);
+            bProcessed = HandleGetMinMaxInfo((PSWP)wParam);
             break;
 
         case WM_SYSVALUECHANGED:
             // TODO: do something
-            vRc.mResult = (MRESULT)TRUE;
+            mResult = (MRESULT)TRUE;
             break;
 
         //
@@ -2180,21 +2569,23 @@ MRESULT wxWindow::OS2WindowProc(
                 // processing this message - exactly what we need because we've
                 // just set the cursor.
                 //
-                vRc.mResult = (MRESULT)TRUE;
+                mResult = (MRESULT)TRUE;
             }
             break;
     }
-
     if (!bProcessed)
     {
 #ifdef __WXDEBUG__
         wxLogTrace(wxTraceMessages, wxT("Forwarding %s to DefWindowProc."),
                    wxGetMessageName(uMsg));
 #endif // __WXDEBUG__
-        vRc.mResult = OS2DefWindowProc(uMsg, wParam, lParam);
+        if (IsKindOf(CLASSINFO(wxFrame)))
+            mResult = ::WinDefWindowProc(m_hWnd, uMsg, wParam, lParam);
+        else
+            mResult = OS2DefWindowProc(uMsg, wParam, lParam);
     }
-    return vRc.mResult;
-} // end of wxWindow::OS2WindowProc
+    return mResult;
+} // end of wxWindowOS2::OS2WindowProc
 
 //
 // Dialog window proc
@@ -2276,11 +2667,11 @@ void wxRemoveHandleAssociation(
 // Default destroyer - override if you destroy it in some other way
 // (e.g. with MDI child windows)
 //
-void wxWindow::OS2DestroyWindow()
+void wxWindowOS2::OS2DestroyWindow()
 {
 }
 
-void wxWindow::OS2DetachWindowMenu()
+void wxWindowOS2::OS2DetachWindowMenu()
 {
     if (m_hMenu)
     {
@@ -2310,29 +2701,34 @@ void wxWindow::OS2DetachWindowMenu()
             }
         }
     }
-} // end of wxWindow::OS2DetachWindowMenu
+} // end of wxWindowOS2::OS2DetachWindowMenu
 
-bool wxWindow::OS2Create(
-  int                               vId
-, wxWindow*                         pParent
-, const wxChar*                     zWclass
-, wxWindow*                         pWxWin
+bool wxWindowOS2::OS2Create(
+  WXHWND                            hParent
+, PSZ                               zClass
 , const wxChar*                     zTitle
-, int                               nX
-, int                               nY
-, int                               nWidth
-, int                               nHeight
 , WXDWORD                           dwStyle
-, const wxChar*                     zDialogTemplate
-, WXDWORD                           dwExtendedStyle // Port compatability only
+, long                              lX
+, long                              lY
+, long                              lWidth
+, long                              lHeight
+, WXHWND                            hOwner
+, WXHWND                            hZOrder
+, unsigned long                     ulId
+, void*                             pCtlData
+, void*                             pPresParams
+, WXDWORD                           dwExStyle
 )
 {
     ERRORID                         vError;
     wxString                        sError;
-    int                             nX1      = CW_USEDEFAULT;
-    int                             nY1      = 0;
-    int                             nWidth1  = CW_USEDEFAULT;
-    int                             nHeight1 = 100;
+    long                            lX1      = 0L;
+    long                            lY1      = 0L;
+    long                            lWidth1  = 20L;
+    long                            lHeight1 = 20L;
+    int                             nControlId = 0;
+    int                             nNeedsubclass = 0;
+    PCSZ                            pszClass = zClass;
 
     //
     // Find parent's size, if it exists, to set up a possible default
@@ -2341,127 +2737,77 @@ bool wxWindow::OS2Create(
     RECTL                           vParentRect;
     HWND                            hWndClient;
 
-    HWND                            hParent = (HWND)NULL;
-
-    if (pParent)
-    {
-        hParent = (HWND)pParent->GetHWND();
-        hWndClient = ::WinWindowFromID(hParent, FID_CLIENT);
-        ::WinQueryWindowRect(hWndClient, &vParentRect);
-
-        nWidth1  = vParentRect.xRight - vParentRect.xLeft;
-        nHeight1 = vParentRect.yTop - vParentRect.yBottom;
-    }
-    else
-        hParent = HWND_DESKTOP;
-
-    if (nX > -1)
-        nX1 = nX;
-    if (nY > -1)
-        nY1 = nY;
-    if (nWidth > -1)
-        nWidth1   = nWidth;
-    if (nHeight > -1)
-        nHeight1 = nHeight;
+    lX1 = lX;
+    lY1 = lY;
+    if (lWidth > -1L)
+        lWidth1 = lWidth;
+    if (lHeight > -1L)
+        lHeight1 = lHeight;
 
     wxWndHook = this;
 
-    if (zDialogTemplate)
+    //
+    // check to see if the new window is a standard control
+    //
+    if ((ULONG)zClass == (ULONG)WC_BUTTON ||
+        (ULONG)zClass == (ULONG)WC_COMBOBOX ||
+        (ULONG)zClass == (ULONG)WC_CONTAINER ||
+        (ULONG)zClass == (ULONG)WC_ENTRYFIELD ||
+        (ULONG)zClass == (ULONG)WC_FRAME ||
+        (ULONG)zClass == (ULONG)WC_LISTBOX ||
+        (ULONG)zClass == (ULONG)WC_MENU ||
+        (ULONG)zClass == (ULONG)WC_NOTEBOOK ||
+        (ULONG)zClass == (ULONG)WC_SCROLLBAR ||
+        (ULONG)zClass == (ULONG)WC_SPINBUTTON ||
+        (ULONG)zClass == (ULONG)WC_STATIC ||
+        (ULONG)zClass == (ULONG)WC_TITLEBAR ||
+        (ULONG)zClass == (ULONG)WC_VALUESET
+       )
     {
-        //
-        // We can use extended styles for custom default user config params
-        // These can be processed in the dialog proc's WM_INITDLG
-        // Dialog template is defined by vId and should be loaded from the
-        // resource file in the current .exe
-        //
-        PDLGTEMPLATE                 pDlgt;
-
-        ::DosGetResource(0L, RT_DIALOG, vId, (PPVOID)&pDlgt);
-        m_hWnd = (WXHWND)::WinCreateDlg( hParent
-                                        ,NULLHANDLE
-                                        ,(PFNWP)wxDlgProc
-                                        ,pDlgt
-                                        ,(PVOID)&dwExtendedStyle
-                                       );
-        if (m_hWnd == 0)
-        {
-            vError = ::WinGetLastError(vHabmain);
-            sError = wxPMErrorToStr(vError);
-            wxLogError("Can't find dummy dialog template!\n"
-                       "Check resource include path for finding wx.rc.\n"
-                       "Error: %s\n", sError);
-            return FALSE;
-        }
-
-        //
-        // Move the dialog to its initial position without forcing repainting
-        //
-        if (!::WinSetWindowPos( m_hWnd
-                               ,HWND_TOP
-                               ,nX1
-                               ,nY1
-                               ,nWidth1
-                               ,nHeight1
-                               ,SWP_MOVE | SWP_SIZE | SWP_NOREDRAW
-                              ));
-        {
-            vError = ::WinGetLastError(vHabmain);
-            sError = wxPMErrorToStr(vError);
-            wxLogError("MoveWindow, error: %s\n", sError);
-        }
+            nControlId = ulId;
     }
     else
     {
-        int                         nControlId = 0;
-        WXDWORD                     dwClass = dwStyle | 0xffff0000;
-
-        //
-        // check to see if the new window is a standard control
-        //
-        if (dwClass & (ULONG)WC_BUTTON ||
-            dwClass & (ULONG)WC_COMBOBOX ||
-            dwClass & (ULONG)WC_CONTAINER ||
-            dwClass & (ULONG)WC_ENTRYFIELD ||
-            dwClass & (ULONG)WC_LISTBOX ||
-            dwClass & (ULONG)WC_MENU ||
-            dwClass & (ULONG)WC_NOTEBOOK ||
-            dwClass & (ULONG)WC_SCROLLBAR ||
-            dwClass & (ULONG)WC_SPINBUTTON ||
-            dwClass & (ULONG)WC_STATIC ||
-            dwClass & (ULONG)WC_TITLEBAR ||
-            dwClass & (ULONG)WC_VALUESET
-           )
-            nControlId = vId;
-
-        wxString                    sClassName(zWclass);
-
-        if (GetWindowStyleFlag() & wxNO_FULL_REPAINT_ON_RESIZE )
+        // no standard controls
+        if(wxString (wxT("wxFrameClass")) == wxString(zClass) )
         {
-            sClassName += wxT("NR");
+            pszClass =  WC_FRAME;
+            nNeedsubclass = 1;
         }
-
-        m_hWnd = (WXHWND)::WinCreateWindow( hParent
-                                           ,(PSZ)sClassName.c_str()
-                                           ,zTitle ? zTitle : wxT("")
-                                           ,dwStyle
-                                           ,nX1
-                                           ,nY1
-                                           ,nWidth
-                                           ,nHeight
-                                           ,NULLHANDLE
-                                           ,HWND_TOP
-                                           ,vId
-                                           ,NULL
-                                           ,NULL
-                                          );
-        if (!m_hWnd)
+        else
         {
-            vError = ::WinGetLastError(vHabmain);
-            sError = wxPMErrorToStr(vError);
-            wxLogError("Can't create window of class %s!. Error: %s\n", zWclass, sError);
-            return FALSE;
+            nControlId = ulId;
+            if(nControlId < 0)
+                nControlId = FID_CLIENT;
         }
     }
+
+    //
+    // We will either have a registered class via string name or a standard PM Class via a long
+    //
+    m_hWnd = (WXHWND)::WinCreateWindow( (HWND)hParent
+                                       ,zClass
+                                       ,(PSZ)zTitle ? zTitle : wxT("")
+                                       ,(ULONG)dwStyle
+                                       ,(LONG)lX1
+                                       ,(LONG)lY1
+                                       ,(LONG)lWidth
+                                       ,(LONG)lHeight
+                                       ,hOwner
+                                       ,HWND_TOP
+                                       ,(ULONG)nControlId
+                                       ,pCtlData
+                                       ,pPresParams
+                                      );
+    if (!m_hWnd)
+    {
+        vError = ::WinGetLastError(vHabmain);
+        sError = wxPMErrorToStr(vError);
+        wxLogError("Can't create window of class %s!. Error: %s\n", zClass, sError);
+        return FALSE;
+    }
+    m_dwExStyle = dwExStyle;
+    ::WinSetWindowULong(m_hWnd, QWL_USER, (ULONG) this);
     wxWndHook = NULL;
 
 #ifdef __WXDEBUG__
@@ -2481,8 +2827,19 @@ bool wxWindow::OS2Create(
     wxAssociateWinWithHandle((HWND)m_hWnd
                              ,this
                             );
+    //
+    // Now need to subclass window.
+    //
+    if(!nNeedsubclass)
+    {
+         wxAssociateWinWithHandle((HWND)m_hWnd,this);
+    }
+    else
+    {
+        SubclassWin(GetHWND());
+    }
     return TRUE;
-} // end of wxWindow::OS2Create
+} // end of wxWindowOS2::OS2Create
 
 // ===========================================================================
 // OS2 PM message handlers
@@ -2492,7 +2849,7 @@ bool wxWindow::OS2Create(
 // window creation/destruction
 // ---------------------------------------------------------------------------
 
-bool wxWindow::HandleCreate(
+bool wxWindowOS2::HandleCreate(
   WXLPCREATESTRUCT                  vCs
 , bool*                             pbMayCreate
 )
@@ -2502,9 +2859,9 @@ bool wxWindow::HandleCreate(
     (void)GetEventHandler()->ProcessEvent(vEvent);
     *pbMayCreate = TRUE;
     return TRUE;
-} // end of wxWindow::HandleCreate
+} // end of wxWindowOS2::HandleCreate
 
-bool wxWindow::HandleDestroy()
+bool wxWindowOS2::HandleDestroy()
 {
     wxWindowDestroyEvent            vEvent(this);
 
@@ -2526,12 +2883,12 @@ bool wxWindow::HandleDestroy()
     // WM_DESTROY handled
     //
     return TRUE;
-} // end of wxWindow::HandleDestroy
+} // end of wxWindowOS2::HandleDestroy
 
 // ---------------------------------------------------------------------------
 // activation/focus
 // ---------------------------------------------------------------------------
-void wxWindow::OnSetFocus(
+void wxWindowOS2::OnSetFocus(
   wxFocusEvent&                     rEvent
 )
 {
@@ -2562,9 +2919,9 @@ void wxWindow::OnSetFocus(
                GetClassInfo()->GetClassName(), GetHandle());
 
     rEvent.Skip();
-} // end of wxWindow::OnSetFocus
+} // end of wxWindowOS2::OnSetFocus
 
-bool wxWindow::HandleActivate(
+bool wxWindowOS2::HandleActivate(
   int                               nState
 , WXHWND                            WXUNUSED(hActivate)
 )
@@ -2575,9 +2932,9 @@ bool wxWindow::HandleActivate(
                                           );
     vEvent.SetEventObject(this);
     return GetEventHandler()->ProcessEvent(vEvent);
-} // end of wxWindow::HandleActivate
+} // end of wxWindowOS2::HandleActivate
 
-bool wxWindow::HandleSetFocus(
+bool wxWindowOS2::HandleSetFocus(
   WXHWND                            WXUNUSED(hWnd)
 )
 {
@@ -2606,9 +2963,9 @@ bool wxWindow::HandleSetFocus(
 
     vEvent.SetEventObject(this);
     return GetEventHandler()->ProcessEvent(vEvent);
-} // end of wxWindow::HandleSetFocus
+} // end of wxWindowOS2::HandleSetFocus
 
-bool wxWindow::HandleKillFocus(
+bool wxWindowOS2::HandleKillFocus(
   WXHWND                            WXUNUSED(hWnd)
 )
 {
@@ -2628,13 +2985,13 @@ bool wxWindow::HandleKillFocus(
 
     vEvent.SetEventObject(this);
     return GetEventHandler()->ProcessEvent(vEvent);
-} // end of wxWindow::HandleKillFocus
+} // end of wxWindowOS2::HandleKillFocus
 
 // ---------------------------------------------------------------------------
 // miscellaneous
 // ---------------------------------------------------------------------------
 
-bool wxWindow::HandleShow(
+bool wxWindowOS2::HandleShow(
   bool                              bShow
 , int                               nStatus
 )
@@ -2645,9 +3002,9 @@ bool wxWindow::HandleShow(
 
     vEvent.m_eventObject = this;
     return GetEventHandler()->ProcessEvent(vEvent);
-} // end of wxWindow::HandleShow
+} // end of wxWindowOS2::HandleShow
 
-bool wxWindow::HandleInitDialog(
+bool wxWindowOS2::HandleInitDialog(
   WXHWND                            WXUNUSED(hWndFocus)
 )
 {
@@ -2655,15 +3012,15 @@ bool wxWindow::HandleInitDialog(
 
     vEvent.m_eventObject = this;
     return GetEventHandler()->ProcessEvent(vEvent);
-} // end of wxWindow::HandleInitDialog
+} // end of wxWindowOS2::HandleInitDialog
 
-bool wxWindow::HandleEndDrag(WXWPARAM wParam)
+bool wxWindowOS2::HandleEndDrag(WXWPARAM wParam)
 {
    // TODO: We'll handle drag and drop later
     return FALSE;
 }
 
-bool wxWindow::HandleSetCursor(
+bool wxWindowOS2::HandleSetCursor(
   USHORT                            vId
 , WXHWND                            hPointer
 )
@@ -2674,88 +3031,204 @@ bool wxWindow::HandleSetCursor(
     //
     ::WinSetPointer(HWND_DESKTOP, (HPOINTER)hPointer);
     return TRUE;
-} // end of wxWindow::HandleSetCursor
+} // end of wxWindowOS2::HandleSetCursor
 
 // ---------------------------------------------------------------------------
 // owner drawn stuff
 // ---------------------------------------------------------------------------
-bool wxWindow::OS2OnDrawItem(
+bool wxWindowOS2::OS2OnDrawItem(
   int                               vId
 , WXDRAWITEMSTRUCT*                 pItemStruct
 )
 {
-    //
-    // I'll get to owner drawn stuff later
-    //
+    wxDC                            vDc;
 
+#if wxUSE_OWNER_DRAWN
     //
-    // is it a menu item or control?
+    // Is it a menu item?
     //
-    wxWindow*                       pItem = FindItem(vId);
-
-#if wxUSE_OWNER_DRAWN
-    if (pItem && pItem->IsKindOf(CLASSINFO(wxControl)))
-    {
-        return ((wxControl *)pItem)->OS2OnDraw(pItemStruct);
-    }
-    else if (pItem && pItem->IsKindOf(CLASSINFO(wxMenu)))
+    if (vId == 0)
     {
-        /*
-        // TODO: draw a menu item
+        ERRORID                     vError;
+        wxString                    sError;
+        POWNERITEM                  pMeasureStruct = (POWNERITEM)pItemStruct;
+        wxFrame*                    pFrame = (wxFrame*)this;
+        wxMenuItem*                 pMenuItem = pFrame->GetMenuBar()->FindItem(pMeasureStruct->idItem, pMeasureStruct->hItem);
+        HDC                         hDC = ::GpiQueryDevice(pMeasureStruct->hps);
+        wxRect                      vRect( pMeasureStruct->rclItem.xLeft
+                                          ,pMeasureStruct->rclItem.yBottom
+                                          ,pMeasureStruct->rclItem.xRight - pMeasureStruct->rclItem.xLeft
+                                          ,pMeasureStruct->rclItem.yTop - pMeasureStruct->rclItem.yBottom
+                                         );
+        vDc.SetHDC( hDC
+                   ,FALSE
+                  );
+        vDc.SetHPS(pMeasureStruct->hps);
+        //
+        // Load the wxWindows Pallete and set to RGB mode
+        //
+        if (!::GpiCreateLogColorTable( pMeasureStruct->hps
+                                      ,0L
+                                      ,LCOLF_CONSECRGB
+                                      ,0L
+                                      ,(LONG)wxTheColourDatabase->m_nSize
+                                      ,(PLONG)wxTheColourDatabase->m_palTable
+                                     ))
+        {
+            vError = ::WinGetLastError(vHabmain);
+            sError = wxPMErrorToStr(vError);
+            wxLogError("Unable to set current color table. Error: %s\n", sError);
+        }
+        //
+        // Set the color table to RGB mode
         //
-        POWNERITEM                  pDrawStruct = (OWNERITEM *)pItemStruct;
-        wxMenuItem*                 pMenuItem = (wxMenuItem *)(pDrawStruct->pItemData);
+        if (!::GpiCreateLogColorTable( pMeasureStruct->hps
+                                      ,0L
+                                      ,LCOLF_RGB
+                                      ,0L
+                                      ,0L
+                                      ,NULL
+                                     ))
+        {
+            vError = ::WinGetLastError(vHabmain);
+            sError = wxPMErrorToStr(vError);
+            wxLogError("Unable to set current color table. Error: %s\n", sError);
+        }
 
-        wxCHECK(pMenuItem->IsKindOf(CLASSINFO(wxMenuItem)), FALSE);
+        wxCHECK( pMenuItem->IsKindOf(CLASSINFO(wxMenuItem)), FALSE );
+
+
+        int                         eAction = 0;
+        int                         eStatus = 0;
+
+        if (pMeasureStruct->fsAttribute == pMeasureStruct->fsAttributeOld)
+        {
+            //
+            // Entire Item needs to be redrawn (either it has reappeared from
+            // behind another window or is being displayed for the first time
+            //
+            eAction = wxOwnerDrawn::wxODDrawAll;
 
+            if (pMeasureStruct->fsAttribute & MIA_HILITED)
+            {
+                //
+                // If it is currently selected we let the system handle it
+                //
+                eStatus |= wxOwnerDrawn::wxODSelected;
+            }
+            if (pMeasureStruct->fsAttribute & MIA_CHECKED)
+            {
+                //
+                // If it is currently checked we draw our own
+                //
+                eStatus |= wxOwnerDrawn::wxODChecked;
+                pMeasureStruct->fsAttributeOld = pMeasureStruct->fsAttribute &= ~MIA_CHECKED;
+            }
+            if (pMeasureStruct->fsAttribute & MIA_DISABLED)
+            {
+                //
+                // If it is currently disabled we let the system handle it
+                //
+                eStatus |= wxOwnerDrawn::wxODDisabled;
+            }
+            //
+            // Don't really care about framed (indicationg focus) or NoDismiss
+            //
+        }
+        else
+        {
+            if (pMeasureStruct->fsAttribute & MIA_HILITED)
+            {
+                eAction = wxOwnerDrawn::wxODDrawAll;
+                eStatus |= wxOwnerDrawn::wxODSelected;
+                //
+                // Keep the system from trying to highlight with its bogus colors
+                //
+                pMeasureStruct->fsAttributeOld = pMeasureStruct->fsAttribute &= ~MIA_HILITED;
+            }
+            else if (!(pMeasureStruct->fsAttribute & MIA_HILITED))
+            {
+                eAction = wxOwnerDrawn::wxODDrawAll;
+                eStatus = 0;
+                //
+                // Keep the system from trying to highlight with its bogus colors
+                //
+                pMeasureStruct->fsAttribute = pMeasureStruct->fsAttributeOld &= ~MIA_HILITED;
+            }
+            else
+            {
+                //
+                // For now we don't care about anything else
+                // just ignore the entire message!
+                //
+                return TRUE;
+            }
+        }
         //
-        // Prepare to call OnDrawItem()
+        // Now redraw the item
+        //
+        return(pMenuItem->OnDrawItem( vDc
+                                     ,vRect
+                                     ,(wxOwnerDrawn::wxODAction)eAction
+                                     ,(wxOwnerDrawn::wxODStatus)eStatus
+                                    ));
+        //
+        // leave the fsAttribute and fsOldAttribute unchanged.  If different,
+        // the system will do the highlight or fraeming or disabling for us,
+        // otherwise, we'd have to do it ourselves.
         //
-        HPSdc;
-        dc.SetHDC((WXHDC)pDrawStruct->hDC, FALSE);
-        wxRect rect(pDrawStruct->rcItem.left, pDrawStruct->rcItem.top,
-                    pDrawStruct->rcItem.right - pDrawStruct->rcItem.left,
-                    pDrawStruct->rcItem.bottom - pDrawStruct->rcItem.top);
-
-        return pMenuItem->OnDrawItem
-                          (
-                            dc, rect,
-                            (wxOwnerDrawn::wxODAction)pDrawStruct->itemAction,
-                            (wxOwnerDrawn::wxODStatus)pDrawStruct->itemState
-                          );
-        */
     }
 
-    else
-        return FALSE;
+    wxWindow*                       pItem = FindItem(vId);
+
+    if (pItem && pItem->IsKindOf(CLASSINFO(wxControl)))
+    {
+        return ((wxControl *)pItem)->OS2OnDraw(pItemStruct);
+    }
 #endif
-    return TRUE;
-} // end of wxWindow::OS2OnDrawItem
+    return FALSE;
+} // end of wxWindowOS2::OS2OnDrawItem
 
-bool wxWindow::OS2OnMeasureItem(int id, WXMEASUREITEMSTRUCT *itemStruct)
+bool wxWindowOS2::OS2OnMeasureItem(
+  int                               lId
+, WXMEASUREITEMSTRUCT*              pItemStruct
+)
 {
-   // TODO: more owner drawn menu related stuff, get to it later
-/*
-#if wxUSE_OWNER_DRAWN
-    // is it a menu item?
-    if ( id == 0 )
+    //
+    // Is it a menu item?
+    //
+    if (lId == 65536) // I really don't like this...has to be a better indicator
     {
-        MEASUREITEMSTRUCT *pMeasureStruct = (MEASUREITEMSTRUCT *)itemStruct;
-        wxMenuItem *pMenuItem = (wxMenuItem *)(pMeasureStruct->itemData);
-
-        wxCHECK( pMenuItem->IsKindOf(CLASSINFO(wxMenuItem)), FALSE );
-
-        return pMenuItem->OnMeasureItem(&pMeasureStruct->itemWidth,
-                                        &pMeasureStruct->itemHeight);
+        if (IsKindOf(CLASSINFO(wxFrame))) // we'll assume if Frame then a menu
+        {
+            size_t                  nWidth;
+            size_t                  nHeight;
+            POWNERITEM              pMeasureStruct = (POWNERITEM)pItemStruct;
+            wxFrame*                pFrame = (wxFrame*)this;
+            wxMenuItem*             pMenuItem = pFrame->GetMenuBar()->FindItem(pMeasureStruct->idItem, pMeasureStruct->hItem);
+
+            wxCHECK( pMenuItem->IsKindOf(CLASSINFO(wxMenuItem)), FALSE );
+            nWidth  = 0L;
+            nHeight = 0L;
+            if (pMenuItem->OnMeasureItem( &nWidth
+                                         ,&nHeight
+                                        ))
+            {
+                pMeasureStruct->rclItem.xRight  = nWidth;
+                pMeasureStruct->rclItem.xLeft   = 0L;
+                pMeasureStruct->rclItem.yTop    = nHeight;
+                pMeasureStruct->rclItem.yBottom = 0L;
+                return TRUE;
+            }
+            return FALSE;
+        }
     }
+    wxWindow*                      pItem = FindItem(lId);
 
-    wxWindow *item = FindItem(id);
-    if ( item && item->IsKindOf(CLASSINFO(wxControl)) )
+    if (pItem && pItem->IsKindOf(CLASSINFO(wxControl)))
     {
-        return ((wxControl *)item)->MSWOnMeasure(itemStruct);
+        return ((wxControl *)pItem)->OS2OnMeasure(pItemStruct);
     }
-#endif  // owner-drawn menus
-*/
     return FALSE;
 }
 
@@ -2763,15 +3236,15 @@ bool wxWindow::OS2OnMeasureItem(int id, WXMEASUREITEMSTRUCT *itemStruct)
 // colours and palettes
 // ---------------------------------------------------------------------------
 
-bool wxWindow::HandleSysColorChange()
+bool wxWindowOS2::HandleSysColorChange()
 {
     wxSysColourChangedEvent         vEvent;
 
     vEvent.SetEventObject(this);
     return GetEventHandler()->ProcessEvent(vEvent);
-} // end of wxWindow::HandleSysColorChange
+} // end of wxWindowOS2::HandleSysColorChange
 
-bool wxWindow::HandleCtlColor(
+bool wxWindowOS2::HandleCtlColor(
   WXHBRUSH*                         phBrush
 )
 {
@@ -2779,9 +3252,9 @@ bool wxWindow::HandleCtlColor(
     // Not much provided with message. So not sure I can do anything with it
     //
     return TRUE;
-} // end of wxWindow::HandleCtlColor
+} // end of wxWindowOS2::HandleCtlColor
 
-bool wxWindow::HandleWindowParams(
+bool wxWindowOS2::HandleWindowParams(
   PWNDPARAMS                        pWndParams
 , WXLPARAM                          lParam
 )
@@ -2791,7 +3264,7 @@ bool wxWindow::HandleWindowParams(
 }
 
 // Define for each class of dialog and control
-WXHBRUSH wxWindow::OnCtlColor(WXHDC hDC,
+WXHBRUSH wxWindowOS2::OnCtlColor(WXHDC hDC,
                               WXHWND hWnd,
                               WXUINT nCtlColor,
                               WXUINT message,
@@ -2801,7 +3274,7 @@ WXHBRUSH wxWindow::OnCtlColor(WXHDC hDC,
     return (WXHBRUSH)0;
 }
 
-bool wxWindow::HandlePaletteChanged()
+bool wxWindowOS2::HandlePaletteChanged()
 {
     // need to set this to something first
     WXHWND                          hWndPalChange = NULLHANDLE;
@@ -2812,9 +3285,9 @@ bool wxWindow::HandlePaletteChanged()
     vEvent.SetChangedWindow(wxFindWinFromHandle(hWndPalChange));
 
     return GetEventHandler()->ProcessEvent(vEvent);
-} // end of wxWindow::HandlePaletteChanged
+} // end of wxWindowOS2::HandlePaletteChanged
 
-bool wxWindow::HandlePresParamChanged(
+bool wxWindowOS2::HandlePresParamChanged(
   WXWPARAM                          wParam
 )
 {
@@ -2832,7 +3305,7 @@ bool wxWindow::HandlePresParamChanged(
 //
 // Responds to colour changes: passes event on to children.
 //
-void wxWindow::OnSysColourChanged(
+void wxWindowOS2::OnSysColourChanged(
   wxSysColourChangedEvent&          rEvent
 )
 {
@@ -2854,82 +3327,142 @@ void wxWindow::OnSysColourChanged(
         }
         pNode = pNode->Next();
     }
-} // end of wxWindow::OnSysColourChanged
+} // end of wxWindowOS2::OnSysColourChanged
 
 // ---------------------------------------------------------------------------
 // painting
 // ---------------------------------------------------------------------------
 
-bool wxWindow::HandlePaint()
+bool wxWindowOS2::HandlePaint()
 {
     HRGN                            hRgn = NULLHANDLE;
+    wxPaintEvent                    vEvent;
+    HPS                             hPS;
+    RECTL                           vRect;
 
     if (::WinQueryUpdateRegion(GetHwnd(), hRgn) == RGN_NULL)
     {
          wxLogLastError("CreateRectRgn");
          return FALSE;
     }
+
     m_updateRegion = wxRegion(hRgn);
+    vEvent.SetEventObject(this);
+    if (!GetEventHandler()->ProcessEvent(vEvent))
+    {
+        HPS                         hPS;
 
-    wxPaintEvent                    vEvent;
+        hPS = ::WinBeginPaint( GetHwnd()
+                              ,NULLHANDLE
+                              ,&vRect
+                             );
+        if(hPS)
+        {
+            ::GpiCreateLogColorTable( hPS
+                                     ,0L
+                                     ,LCOLF_CONSECRGB
+                                     ,0L
+                                     ,(LONG)wxTheColourDatabase->m_nSize
+                                     ,(PLONG)wxTheColourDatabase->m_palTable
+                                    );
+            ::GpiCreateLogColorTable( hPS
+                                     ,0L
+                                     ,LCOLF_RGB
+                                     ,0L
+                                     ,0L
+                                     ,NULL
+                                    );
 
-    vEvent.SetEventObject(this);
+            ::WinFillRect(hPS, &vRect,  GetBackgroundColour().GetPixel());
+
+            if (m_dwExStyle)
+            {
+                LINEBUNDLE                      vLineBundle;
+
+                vLineBundle.lColor     = 0x00000000; // Black
+                vLineBundle.usMixMode  = FM_OVERPAINT;
+                vLineBundle.fxWidth    = 1;
+                vLineBundle.lGeomWidth = 1;
+                vLineBundle.usType     = LINETYPE_SOLID;
+                vLineBundle.usEnd      = 0;
+                vLineBundle.usJoin     = 0;
+                ::GpiSetAttrs( hPS
+                              ,PRIM_LINE
+                              ,LBB_COLOR | LBB_MIX_MODE | LBB_WIDTH | LBB_GEOM_WIDTH | LBB_TYPE
+                              ,0L
+                              ,&vLineBundle
+                             );
+                ::WinQueryWindowRect(GetHwnd(), &vRect);
+                wxDrawBorder( hPS
+                             ,vRect
+                             ,m_dwExStyle
+                            );
+            }
+            ::WinEndPaint(hPS);
+        }
+    }
     return (GetEventHandler()->ProcessEvent(vEvent));
-} // end of wxWindow::HandlePaint
+} // end of wxWindowOS2::HandlePaint
 
-bool wxWindow::HandleEraseBkgnd(WXHDC hdc)
+bool wxWindowOS2::HandleEraseBkgnd(
+  WXHDC                             hDC
+)
 {
-    // TODO:  will have to worry about this later as part of
-    //        the handling of changed presentation parameters
-    /*
-    if ( ::IsIconic(GetHwnd()) )
+    SWP                             vSwp;
+
+    ::WinQueryWindowPos(GetHwnd(), &vSwp);
+    if (vSwp.fl & SWP_MINIMIZE)
         return TRUE;
 
-    wxDC dc;
+    wxDC                            vDC;
 
-    dc.SetHDC(hdc);
-    dc.SetWindow(this);
-    dc.BeginDrawing();
+    vDC.m_hPS = (HPS)hDC; // this is really a PS
+    vDC.SetWindow(this);
+    vDC.BeginDrawing();
 
-    wxEraseEvent event(m_windowId, &dc);
-    event.SetEventObject(this);
-    bool rc = GetEventHandler()->ProcessEvent(event);
+    wxEraseEvent                    vEvent(m_windowId, &vDC);
 
-    dc.EndDrawing();
-    dc.SelectOldObjects(hdc);
-    dc.SetHDC((WXHDC) NULL);
-    */
+    vEvent.SetEventObject(this);
+
+    bool                            rc = GetEventHandler()->ProcessEvent(vEvent);
+
+    vDC.EndDrawing();
+    vDC.m_hPS = NULLHANDLE;
     return TRUE;
-} // end of wxWindow::HandleEraseBkgnd
+} // end of wxWindowOS2::HandleEraseBkgnd
 
-void wxWindow::OnEraseBackground(
+void wxWindowOS2::OnEraseBackground(
   wxEraseEvent&                     rEvent
 )
 {
-    // TODO:
-}  // end of wxWindow::OnEraseBackground
+    RECTL                           vRect;
+    HPS                             hPS = rEvent.m_dc->m_hPS;
+
+    ::WinQueryWindowRect(GetHwnd(), &vRect);
+    ::WinFillRect(hPS, &vRect,  m_backgroundColour.GetPixel());
+}  // end of wxWindowOS2::OnEraseBackground
 
 // ---------------------------------------------------------------------------
 // moving and resizing
 // ---------------------------------------------------------------------------
 
-bool wxWindow::HandleMinimize()
+bool wxWindowOS2::HandleMinimize()
 {
     wxIconizeEvent                  vEvent(m_windowId);
 
     vEvent.SetEventObject(this);
     return GetEventHandler()->ProcessEvent(vEvent);
-} // end of wxWindow::HandleMinimize
+} // end of wxWindowOS2::HandleMinimize
 
-bool wxWindow::HandleMaximize()
+bool wxWindowOS2::HandleMaximize()
 {
     wxMaximizeEvent                 vEvent(m_windowId);
 
     vEvent.SetEventObject(this);
     return GetEventHandler()->ProcessEvent(vEvent);
-} // end of wxWindow::HandleMaximize
+} // end of wxWindowOS2::HandleMaximize
 
-bool wxWindow::HandleMove(
+bool wxWindowOS2::HandleMove(
   int                               nX
 , int                               nY
 )
@@ -2942,9 +3475,9 @@ bool wxWindow::HandleMove(
 
     vEvent.SetEventObject(this);
     return GetEventHandler()->ProcessEvent(vEvent);
-}  // end of wxWindow::HandleMove
+}  // end of wxWindowOS2::HandleMove
 
-bool wxWindow::HandleSize(
+bool wxWindowOS2::HandleSize(
   int                               nWidth
 , int                               nHeight
 , WXUINT                            WXUNUSED(nFlag)
@@ -2958,9 +3491,9 @@ bool wxWindow::HandleSize(
 
     vEvent.SetEventObject(this);
     return GetEventHandler()->ProcessEvent(vEvent);
-} // end of wxWindow::HandleSize
+} // end of wxWindowOS2::HandleSize
 
-bool wxWindow::HandleGetMinMaxInfo(
+bool wxWindowOS2::HandleGetMinMaxInfo(
   PSWP                              pSwp
 )
 {
@@ -2985,12 +3518,12 @@ bool wxWindow::HandleGetMinMaxInfo(
             return FALSE;
     }
     return TRUE;
-} // end of wxWindow::HandleGetMinMaxInfo
+} // end of wxWindowOS2::HandleGetMinMaxInfo
 
 // ---------------------------------------------------------------------------
 // command messages
 // ---------------------------------------------------------------------------
-bool wxWindow::HandleCommand(
+bool wxWindowOS2::HandleCommand(
   WXWORD                            wId
 , WXWORD                            wCmd
 , WXHWND                            hControl
@@ -3016,9 +3549,9 @@ bool wxWindow::HandleCommand(
                                 ,wId
                                );
     return FALSE;
-} // end of wxWindow::HandleCommand
+} // end of wxWindowOS2::HandleCommand
 
-bool wxWindow::HandleSysCommand(
+bool wxWindowOS2::HandleSysCommand(
   WXWPARAM                          wParam
 , WXLPARAM                          lParam
 )
@@ -3035,13 +3568,13 @@ bool wxWindow::HandleSysCommand(
             return HandleMinimize();
     }
     return FALSE;
-} // end of wxWindow::HandleSysCommand
+} // end of wxWindowOS2::HandleSysCommand
 
 // ---------------------------------------------------------------------------
 // mouse events
 // ---------------------------------------------------------------------------
 
-void wxWindow::InitMouseEvent(
+void wxWindowOS2::InitMouseEvent(
   wxMouseEvent&                     rEvent
 , int                               nX
 , int                               nY
@@ -3063,9 +3596,9 @@ void wxWindow::InitMouseEvent(
     m_lastMouseY = nY;
     m_lastMouseEvent = rEvent.GetEventType();
 #endif // wxUSE_MOUSEEVENT_HACK
-} // end of wxWindow::InitMouseEvent
+} // end of wxWindowOS2::InitMouseEvent
 
-bool wxWindow::HandleMouseEvent(
+bool wxWindowOS2::HandleMouseEvent(
   WXUINT                            uMsg
 , int                               nX
 , int                               nY
@@ -3101,9 +3634,9 @@ bool wxWindow::HandleMouseEvent(
                   );
 
     return GetEventHandler()->ProcessEvent(vEvent);
-} // end of wxWindow::HandleMouseEvent
+} // end of wxWindowOS2::HandleMouseEvent
 
-bool wxWindow::HandleMouseMove(
+bool wxWindowOS2::HandleMouseMove(
   int                               nX
 , int                               nY
 , WXUINT                            uFlags
@@ -3131,7 +3664,7 @@ bool wxWindow::HandleMouseMove(
                             ,nY
                             ,uFlags
                            );
-} // end of wxWindow::HandleMouseMove
+} // end of wxWindowOS2::HandleMouseMove
 
 // ---------------------------------------------------------------------------
 // keyboard handling
@@ -3141,7 +3674,7 @@ bool wxWindow::HandleMouseMove(
 // Create the key event of the given type for the given key - used by
 // HandleChar and HandleKeyDown/Up
 //
-wxKeyEvent wxWindow::CreateKeyEvent(
+wxKeyEvent wxWindowOS2::CreateKeyEvent(
   wxEventType                       eType
 , int                               nId
 , WXLPARAM                          lParam
@@ -3176,13 +3709,13 @@ wxKeyEvent wxWindow::CreateKeyEvent(
     vEvent.m_y = vPoint.y;
 
     return vEvent;
-} // end of wxWindow::CreateKeyEvent
+} // end of wxWindowOS2::CreateKeyEvent
 
 //
 // isASCII is TRUE only when we're called from WM_CHAR handler and not from
 // WM_KEYDOWN one
 //
-bool wxWindow::HandleChar(
+bool wxWindowOS2::HandleChar(
   WXWORD                            wParam
 , WXLPARAM                          lParam
 , bool                              isASCII
@@ -3246,7 +3779,7 @@ bool wxWindow::HandleChar(
     return FALSE;
 }
 
-bool wxWindow::HandleKeyDown(
+bool wxWindowOS2::HandleKeyDown(
   WXWORD                            wParam
 , WXLPARAM                          lParam
 )
@@ -3274,9 +3807,9 @@ bool wxWindow::HandleKeyDown(
         }
     }
     return FALSE;
-} // end of wxWindow::HandleKeyDown
+} // end of wxWindowOS2::HandleKeyDown
 
-bool wxWindow::HandleKeyUp(
+bool wxWindowOS2::HandleKeyUp(
   WXWORD                            wParam
 , WXLPARAM                          lParam
 )
@@ -3302,7 +3835,7 @@ bool wxWindow::HandleKeyUp(
             return TRUE;
     }
     return FALSE;
-} // end of wxWindow::HandleKeyUp
+} // end of wxWindowOS2::HandleKeyUp
 
 // ---------------------------------------------------------------------------
 // joystick
@@ -3312,7 +3845,7 @@ bool wxWindow::HandleKeyUp(
 // scrolling
 // ---------------------------------------------------------------------------
 
-bool wxWindow::OS2OnScroll(
+bool wxWindowOS2::OS2OnScroll(
   int                               nOrientation
 , WXWORD                            wParam
 , WXWORD                            wPos
@@ -3367,7 +3900,7 @@ bool wxWindow::OS2OnScroll(
             return FALSE;
     }
     return GetEventHandler()->ProcessEvent(vEvent);
-} // end of wxWindow::OS2OnScroll
+} // end of wxWindowOS2::OS2OnScroll
 
 // ===========================================================================
 // global functions
@@ -4012,3 +4545,45 @@ static void TranslateKbdEventToMouse(
     pWin->ScreenToClient(pX, pY);
 } // end of TranslateKbdEventToMouse
 
+// Find the wxWindow at the current mouse position, returning the mouse
+// position.
+wxWindow* wxFindWindowAtPointer(
+  wxPoint&                          rPt
+)
+{
+    return wxFindWindowAtPoint(wxGetMousePosition());
+}
+
+wxWindow* wxFindWindowAtPoint(
+  const wxPoint&                    rPt
+)
+{
+    POINTL                          vPt2;
+
+    vPt2.x = rPt.x;
+    vPt2.y = rPt.y;
+
+    HWND                            hWndHit = ::WinWindowFromPoint(HWND_DESKTOP, &vPt2, FALSE);
+    wxWindow*                       pWin = wxFindWinFromHandle((WXHWND)hWndHit) ;
+    HWND                            hWnd = hWndHit;
+
+    //
+    // Try to find a window with a wxWindow associated with it
+    //
+    while (!pWin && (hWnd != 0))
+    {
+        hWnd = ::WinQueryWindow(hWnd, QW_PARENT);
+        pWin = wxFindWinFromHandle((WXHWND)hWnd) ;
+    }
+    return pWin;
+}
+
+// Get the current mouse position.
+wxPoint wxGetMousePosition()
+{
+    POINTL                          vPt;
+
+    ::WinQueryPointerPos(HWND_DESKTOP, &vPt);
+    return wxPoint(vPt.x, vPt.y);
+}
+