]> git.saurik.com Git - wxWidgets.git/blobdiff - src/os2/window.cpp
warning fix
[wxWidgets.git] / src / os2 / window.cpp
index c4b8665f2baf0614211a0a586ddf04f1611af2f2..d032c864b75408ddb315af74c11817f2f8921845 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);
@@ -153,6 +153,7 @@ BEGIN_EVENT_TABLE(wxWindow, wxWindowBase)
     EVT_SYS_COLOUR_CHANGED(wxWindow::OnSysColourChanged)
     EVT_INIT_DIALOG(wxWindow::OnInitDialog)
     EVT_IDLE(wxWindow::OnIdle)
+    EVT_SET_FOCUS(wxWindow::OnSetFocus)
 END_EVENT_TABLE()
 
 // ===========================================================================
@@ -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()
@@ -306,6 +309,7 @@ wxWindow::~wxWindow()
     if (m_parent)
         m_parent->RemoveChild(this);
     DestroyChildren();
+
     if (m_hWnd)
     {
         if(!::WinDestroyWindow(GetHWND()))
@@ -326,6 +330,9 @@ bool wxWindow::Create(
 , const wxString&                   rName
 )
 {
+    HWND                            hParent = NULLHANDLE;
+    wxPoint                         vPos = rPos; // The OS/2 position
+
     wxCHECK_MSG(pParent, FALSE, wxT("can't create wxWindow without parent"));
 
     if ( !CreateBase( pParent
@@ -338,54 +345,76 @@ bool wxWindow::Create(
                     ))
         return(FALSE);
 
-    pParent->AddChild(this);
+    if (pParent)
+    {
+        int                         nTempy;
+
+        pParent->AddChild(this);
+        hParent = GetWinHwnd(pParent);
+        //
+        // OS2 uses normal coordinates, no bassackwards Windows ones
+        //
+        nTempy = pParent->GetSize().y - (vPos.y + rSize.y);
+#if 0
+        if (nTempy < 0)
+        {
+            nTempy = pParent->GetSize().y + (vPos.y + rSize.y);
+            pParent->SetSize(0, 0, pParent->GetSize().x, nTempy);
+            nTempy = pParent->GetSize().y - (vPos.y + rSize.y);
+        }
+#endif
+        vPos.y = nTempy;
+    }
+    else
+    {
+        RECTL                   vRect;
+
+        ::WinQueryWindowRect(HWND_DESKTOP, &vRect);
+        hParent = HWND_DESKTOP;
+        vPos.y = vRect.yTop - (vPos.y + rSize.y);
+    }
 
-    ULONG                           ulFlags = 0L;
+    ULONG                           ulCreateFlags = 0L;
 
-    //
-    // Frame windows and their derivatives only
-    //
-    if (lStyle & wxBORDER)
-        ulFlags |= FCF_BORDER;
-    if (lStyle & wxTHICK_FRAME )
-        ulFlags |= FCF_SIZEBORDER;
 
     //
-    // 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;
 
+    //
+    // Empty stuff for now since PM has no custome 3D effects
+    // Doesn't mean someone cannot make some up though
+    //
     bool                            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
+    // Generic OS/2 Windows are created with no owner, no Z Order, no Control data,
+    // and no presentation parameters
     //
-    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
+    OS2Create( hParent
+              ,(PSZ)wxCanvasClassName
+              ,rName.c_str()
+              ,ulCreateFlags
+              ,vPos.x
+              ,vPos.y
               ,WidthDefault(rSize.x)
               ,HeightDefault(rSize.y)
-              ,ulFlags
-              ,NULL
-              ,dwExStyle
+              ,NULLHANDLE
+              ,NULLHANDLE
+              ,m_windowId
              );
+
     return(TRUE);
 } // end of wxWindow::Create
 
@@ -584,7 +613,24 @@ void wxWindow::SetScrollRange(
 , bool                              bRefresh
 )
 {
-    ::WinSendMsg(GetHwnd(), SBM_SETSCROLLBAR, (MPARAM)0, MPFROM2SHORT(0, nRange));
+    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 wxWindow::SetScrollRange
 
 void wxWindow::SetScrollPage(
@@ -593,11 +639,11 @@ void wxWindow::SetScrollPage(
 , bool                              bRefresh
 )
 {
-    if ( orient == wxHORIZONTAL )
-        m_xThumbSize = page;
+    if (nOrient == wxHORIZONTAL )
+        m_nXThumbSize = nPage;
     else
-        m_yThumbSize = page;
-}
+        m_nYThumbSize = nPage;
+} // end of wxWindow::SetScrollPage
 
 int wxWindow::OldGetScrollRange(
   int                               nOrient
@@ -629,7 +675,10 @@ int  wxWindow::GetScrollPos(
   int                               nOrient
 ) const
 {
-    return((int)::WinSendMsg(GetHwnd(), SBM_QUERYPOS, (MPARAM)NULL, (MPARAM)NULL));
+    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 wxWindow::GetScrollPos
 
 int wxWindow::GetScrollRange(
@@ -638,7 +687,10 @@ int wxWindow::GetScrollRange(
 {
     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
 
@@ -646,12 +698,10 @@ int wxWindow::GetScrollThumb(
   int                               nOrient
 ) const
 {
-    WNDPARAMS                       vWndParams;
-    PSBCDATA                        pSbcd;
-
-    ::WinSendMsg(GetHwnd(), WM_QUERYWINDOWPARAMS, (MPARAM)&vWndParams, (MPARAM)NULL);
-    pSbcd = (PSBCDATA)vWndParams.pCtlData;
-    return((int)pSbcd->posThumb);
+    if (nOrient == wxHORIZONTAL )
+        return m_nXThumbSize;
+    else
+        return m_nYThumbSize;
 } // end of wxWindow::GetScrollThumb
 
 void wxWindow::SetScrollPos(
@@ -660,7 +710,10 @@ void wxWindow::SetScrollPos(
 , bool                              bRefresh
 )
 {
-    ::WinSendMsg(GetHwnd(), SBM_SETPOS, (MPARAM)nPos, (MPARAM)NULL);
+    if (nOrient == wxHORIZONTAL )
+        ::WinSendMsg(m_hWndScrollBarHorz, SBM_SETPOS, (MPARAM)nPos, (MPARAM)NULL);
+    else
+        ::WinSendMsg(m_hWndScrollBarVert, SBM_SETPOS, (MPARAM)nPos, (MPARAM)NULL);
 } // end of wxWindow::SetScrollPos(
 
 void wxWindow::SetScrollbar(
@@ -671,13 +724,129 @@ 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
@@ -688,20 +857,67 @@ void wxWindow::ScrollWindow(
 , 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);
+        ::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();
+
+        ::WinQueryWindowPos(pChildWin->GetHWND(), &vSwp);
+        ::WinSetWindowPos( pChildWin->GetHWND()
+                          ,HWND_TOP
+                          ,vSwp.x + nDx
+                          ,vSwp.y + nDy
+                          ,0
+                          ,0
+                          , SWP_MOVE | SWP_SHOW
+                         );
+        pCurrent = pCurrent->GetNext();
+    }
 } // end of wxWindow::ScrollWindow
 
 // ---------------------------------------------------------------------------
@@ -715,31 +931,23 @@ void wxWindow::SubclassWin(
     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
 
 void wxWindow::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);
@@ -1099,8 +1307,14 @@ 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;
@@ -1324,10 +1538,12 @@ 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);
+    return(vFontMetrics.lMaxAscender + vFontMetrics.lMaxDescender);
 } // end of wxWindow::GetCharHeight
 
 int wxWindow::GetCharWidth() const
@@ -1338,10 +1554,12 @@ int wxWindow::GetCharWidth() const
     hPs = ::WinGetPS(GetHwnd());
 
     if(!GpiQueryFontMetrics(hPs, sizeof(FONTMETRICS), &vFontMetrics))
+    {
+        ::WinReleasePS(hPs);
         return (0);
-    else
-        return(vFontMetrics.lAveCharWidth);
+    }
     ::WinReleasePS(hPs);
+    return(vFontMetrics.lAveCharWidth);
 } // end of wxWindow::GetCharWidth
 
 void wxWindow::GetTextExtent(
@@ -1506,9 +1724,9 @@ MRESULT wxWindow::OS2DefWindowProc(
 )
 {
     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));
+        return ::WinDefWindowProc(GetHWND(), (ULONG)uMsg, (MPARAM)wParam, (MPARAM)lParam);
 } // end of wxWindow::OS2DefWindowProc
 
 bool wxWindow::OS2ProcessMessage(
@@ -1678,12 +1896,12 @@ 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 )
@@ -1703,7 +1921,11 @@ bool wxWindow::OS2TranslateMessage(
   WXMSG*                            pMsg
 )
 {
-    return m_acceleratorTable.Translate(this, pMsg);
+#if wxUSE_ACCEL
+  return m_acceleratorTable.Translate(m_hWnd, pMsg);
+#else
+  return FALSE;
+#endif //wxUSE_ACCEL
 } // end of wxWindow::OS2TranslateMessage
 
 // ---------------------------------------------------------------------------
@@ -1719,8 +1941,8 @@ void wxWindow::UnpackCommand(
 )
 {
     *pId = LOWORD(wParam);
-    *phWnd = (WXHWND)lParam;
-    *pCmd = HIWORD(wParam);
+    *phWnd = NULL;  // or may be GetHWND() ?
+    *pCmd = LOWORD(lParam);
 } // end of wxWindow::UnpackCommand
 
 void wxWindow::UnpackActivate(
@@ -1742,9 +1964,18 @@ void wxWindow::UnpackScroll(
 , WXHWND*                           phWnd
 )
 {
-    *pCode = LOWORD(wParam);
-    *pPos  = HIWORD(wParam);
-    *phWnd = (WXHWND)lParam;
+    ULONG                           ulId;
+    HWND                            hWnd;
+
+    ulId    = (ULONG)LONGFROMMP(wParam);
+    hWnd = ::WinWindowFromID(GetHwnd(), ulId);
+    if (hWnd == m_hWndScrollBarHorz || hWnd == m_hWndScrollBarVert)
+        *phWnd = NULLHANDLE;
+    else
+        *phWnd = hWnd;
+
+    *pPos  = SHORT1FROMMP(lParam);
+    *pCode = SHORT2FROMMP(lParam);
 } // end of wxWindow::UnpackScroll
 
 void wxWindow::UnpackMenuSelect(
@@ -1773,7 +2004,7 @@ wxWindow*                           wxWndHook = NULL;
 //
 // Main window proc
 //
-MRESULT wxWndProc(
+MRESULT EXPENTRY wxWndProc(
   HWND                              hWnd
 , ULONG                             ulMsg
 , MPARAM                            wParam
@@ -1802,7 +2033,8 @@ 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 +2052,7 @@ MRESULT wxWndProc(
         else
             rc = ::WinDefWindowProc(hWnd, ulMsg, wParam, lParam);
     }
+
     return rc;
 } // end of wxWndProc
 
@@ -1837,22 +2070,15 @@ 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 +2094,15 @@ 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 +2131,7 @@ MRESULT wxWindow::OS2WindowProc(
                 bProcessed = HandleActivate( wState
                                             ,(WXHWND)hWnd
                                            );
+                bProcessed = FALSE;
             }
             break;
 
@@ -1924,7 +2152,7 @@ MRESULT wxWindow::OS2WindowProc(
             // ourselves in ~wxWindow
             //
             bProcessed = TRUE;
-            vRc.mResult = (MRESULT)TRUE;
+            mResult = (MRESULT)TRUE;
             break;
 
         case WM_SHOW:
@@ -1958,7 +2186,6 @@ MRESULT wxWindow::OS2WindowProc(
                 bProcessed = HandleMouseEvent(uMsg, x, y, (WXUINT)wParam);
             }
             break;
-
         case WM_SYSCOMMAND:
             bProcessed = HandleSysCommand(wParam, lParam);
             break;
@@ -1979,27 +2206,28 @@ 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 +2326,19 @@ 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 +2366,6 @@ 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 +2378,18 @@ 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;
 
         //
@@ -2180,20 +2406,22 @@ 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;
+    return mResult;
 } // end of wxWindow::OS2WindowProc
 
 //
@@ -2313,24 +2541,30 @@ void wxWindow::OS2DetachWindowMenu()
 } // end of wxWindow::OS2DetachWindowMenu
 
 bool wxWindow::OS2Create(
-  int                               vId
-, wxWindow*                         pParent
-, const wxChar*                     zWclass
-, wxWindow*                         pWxWin
+  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
 )
 {
-    int                             nX1      = CW_USEDEFAULT;
-    int                             nY1      = 0;
-    int                             nWidth1  = CW_USEDEFAULT;
-    int                             nHeight1 = 100;
+    ERRORID                         vError;
+    wxString                        sError;
+    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
@@ -2339,118 +2573,78 @@ 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;
-    }
-
-    if (nX > -1)
-        nX1 = nX;
-    if (nY > -1)
-        nY1 = nY;
-    if (nWidth > -1)
-        nWidth1   = nWidth;
-    if (nHeight > -1)
-        nHeight1 = nHeight;
+    if (lX > -1L)
+        lX1 = lX;
+    if (lY > -1L)
+        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( pParent->GetHWND()
-                                        ,NULLHANDLE
-                                        ,(PFNWP)wxDlgProc
-                                        ,pDlgt
-                                        ,(PVOID)&dwExtendedStyle
-                                       );
-        if (m_hWnd == 0)
-        {
-            wxLogError(_("Can't find dummy dialog template!\n"
-                         "Check resource include path for finding wx.rc."));
-            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
-                              ));
-        {
-            wxLogLastError(wxT("MoveWindow"));
-        }
+            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
         {
-            wxLogError("Can't create window of class %s!\n", zWclass);
-            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;
+    }
+    ::WinSetWindowULong(m_hWnd, QWL_USER, (ULONG) this);
     wxWndHook = NULL;
 
 #ifdef __WXDEBUG__
@@ -2470,6 +2664,17 @@ 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
 
@@ -2673,78 +2878,194 @@ bool wxWindow::OS2OnDrawItem(
 , 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;
+    return FALSE;
 } // end of wxWindow::OS2OnDrawItem
 
-bool wxWindow::OS2OnMeasureItem(int id, WXMEASUREITEMSTRUCT *itemStruct)
+bool wxWindow::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;
 }
 
@@ -2852,42 +3173,74 @@ void wxWindow::OnSysColourChanged(
 bool wxWindow::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());
+            ::WinEndPaint(hPS);
+        }
+    }
     return (GetEventHandler()->ProcessEvent(vEvent));
 } // end of wxWindow::HandlePaint
 
-bool wxWindow::HandleEraseBkgnd(WXHDC hdc)
+bool wxWindow::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;
+
+    vDC.m_hPS = (HPS)hDC; // this is really a PS
+    vDC.SetWindow(this);
+    vDC.BeginDrawing();
 
-    dc.SetHDC(hdc);
-    dc.SetWindow(this);
-    dc.BeginDrawing();
+    wxEraseEvent                    vEvent(m_windowId, &vDC);
 
-    wxEraseEvent event(m_windowId, &dc);
-    event.SetEventObject(this);
-    bool rc = GetEventHandler()->ProcessEvent(event);
+    vEvent.SetEventObject(this);
+
+    bool                            rc = GetEventHandler()->ProcessEvent(vEvent);
 
-    dc.EndDrawing();
-    dc.SelectOldObjects(hdc);
-    dc.SetHDC((WXHDC) NULL);
-    */
+    vDC.EndDrawing();
+    vDC.m_hPS = NULLHANDLE;
     return TRUE;
 } // end of wxWindow::HandleEraseBkgnd
 
@@ -2895,7 +3248,11 @@ void wxWindow::OnEraseBackground(
   wxEraseEvent&                     rEvent
 )
 {
-    // TODO:
+    RECTL                           vRect;
+    HPS                             hPS = rEvent.m_dc->m_hPS;
+
+    ::WinQueryWindowRect(GetHwnd(), &vRect);
+    ::WinFillRect(hPS, &vRect,  m_backgroundColour.GetPixel());
 }  // end of wxWindow::OnEraseBackground
 
 // ---------------------------------------------------------------------------
@@ -4001,3 +4358,45 @@ 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);
+}
+