]> git.saurik.com Git - wxWidgets.git/blobdiff - src/os2/window.cpp
Optimized sizers to not call CalcMin more often than neccessary
[wxWidgets.git] / src / os2 / window.cpp
index e06c94650cf99c62b33d38a0fe524f8e98928b5c..0c448ce6f5a53462b371a0857d4a20e1ad11ef47 100644 (file)
@@ -1,4 +1,3 @@
-/////////////////////////////////////////////////////////////////////////////
 // Name:        windows.cpp
 // Purpose:     wxWindow
 // Author:      David Webster
     #include "wx/app.h"
     #include "wx/panel.h"
     #include "wx/layout.h"
+    #include "wx/checkbox.h"
+    #include "wx/combobox.h"
     #include "wx/dialog.h"
     #include "wx/frame.h"
     #include "wx/listbox.h"
     #include "wx/button.h"
+    #include "wx/bmpbuttn.h"
     #include "wx/msgdlg.h"
     #include "wx/scrolwin.h"
-
+    #include "wx/radiobox.h"
+    #include "wx/radiobut.h"
+    #include "wx/slider.h"
+    #include "wx/statbox.h"
+    #include "wx/statusbr.h"
+    #include "wx/toolbar.h"
+    #include "wx/settings.h"
     #include <stdio.h>
 #endif
 
     #include "wx/tooltip.h"
 #endif
 
+#if wxUSE_NOTEBOOK
+    #include "wx/notebook.h"
+#endif
+
 #if wxUSE_CARET
     #include "wx/caret.h"
 #endif // wxUSE_CARET
 #  define CW_USEDEFAULT    ((int)0x80000000)
 #endif
 
+#ifndef VK_OEM_1
+    #define VK_OEM_1        0xBA
+    #define VK_OEM_PLUS     0xBB
+    #define VK_OEM_COMMA    0xBC
+    #define VK_OEM_MINUS    0xBD
+    #define VK_OEM_PERIOD   0xBE
+    #define VK_OEM_2        0xBF
+    #define VK_OEM_3        0xC0
+    #define VK_OEM_4        0xDB
+    #define VK_OEM_5        0xDC
+    #define VK_OEM_6        0xDD
+    #define VK_OEM_7        0xDE
+#endif
+
 // ---------------------------------------------------------------------------
 // global variables
 // ---------------------------------------------------------------------------
@@ -102,9 +128,6 @@ QMSG                      s_currentMsg;
 wxMenu*                   wxCurrentPopupMenu = NULL;
 #endif // wxUSE_MENUS_NATIVE
 
-#if !defined(__VISAGECPP__) || (__IBMCPP__ < 400)
-extern wxChar             wxCanvasClassName[];
-#endif
 wxList*                   wxWinHandleList = NULL;
 
 // ---------------------------------------------------------------------------
@@ -124,24 +147,16 @@ MRESULT EXPENTRY wxWndProc( HWND hWnd
     const char *wxGetMessageName(int message);
 #endif  //__WXDEBUG__
 
-void      wxRemoveHandleAssociation(wxWindowOS2* pWin);
-void      wxAssociateWinWithHandle( HWND         hWnd
-                                   ,wxWindowOS2* pWin
-                                  );
+wxWindowOS2* FindWindowForMouseEvent( wxWindow* pWin
+                                     ,short*    pnX
+                                     ,short*    pnY
+                                    );
+void         wxRemoveHandleAssociation(wxWindowOS2* pWin);
+void         wxAssociateWinWithHandle( HWND         hWnd
+                                      ,wxWindowOS2* pWin
+                                     );
 wxWindow* wxFindWinFromHandle(WXHWND hWnd);
 
-//
-// This magical function is used to translate VK_APPS key presses to right
-// mouse clicks
-//
-// Unused?
-#if 0
-static void TranslateKbdEventToMouse( wxWindow* pWin
-                                     ,int*      pX
-                                     ,int*      pY
-                                     ,MPARAM*   pFlags
-                                    );
-#endif
 //
 // get the current state of SHIFT/CTRL keys
 //
@@ -279,21 +294,16 @@ bool wxWindowOS2::OS2Command(
 
 void wxWindowOS2::Init()
 {
-    //
-    // Generic
-    //
-    InitBase();
-
     //
     // PM specific
     //
-    m_bDoubleClickAllowed = 0;
     m_bWinCaptured = FALSE;
 
-    m_isBeingDeleted = FALSE;
-    m_fnOldWndProc = 0;
-    m_bUseCtl3D = FALSE;
-    m_bMouseInWindow = FALSE;
+    m_fnOldWndProc          = NULL;
+    m_bUseCtl3D             = FALSE;
+    m_bMouseInWindow        = FALSE;
+    m_bLastKeydownProcessed = FALSE;
+    m_pChildrenDisabled     = NULL;
 
     //
     // wxWnd
@@ -303,8 +313,11 @@ void wxWindowOS2::Init()
     m_hWndScrollBarHorz = 0L;
     m_hWndScrollBarVert = 0L;
 
+    memset(&m_vWinSwp, '\0', sizeof (SWP));
+
     //
     // Pass WM_GETDLGCODE to DefWindowProc()
+    //
     m_lDlgCode = 0;
 
     m_nXThumbSize = 0;
@@ -330,23 +343,19 @@ wxWindowOS2::~wxWindowOS2()
 {
     m_isBeingDeleted = TRUE;
 
-    OS2DetachWindowMenu();
     for (wxWindow* pWin = GetParent(); pWin; pWin = pWin->GetParent())
     {
-        wxFrame*                    pFrame = wxDynamicCast(pWin, wxFrame);
+        wxTopLevelWindow*           pFrame = wxDynamicCast(pWin, wxTopLevelWindow);
 
         if (pFrame)
         {
             if (pFrame->GetLastFocus() == this)
-                pFrame->SetLastFocus((wxWindow*)NULL);
+                pFrame->SetLastFocus(NULL);
         }
     }
 
     DestroyChildren();
 
-    if (m_parent)
-        m_parent->RemoveChild(this);
-
     if (m_hWnd)
     {
         if(!::WinDestroyWindow(GetHWND()))
@@ -356,6 +365,7 @@ wxWindowOS2::~wxWindowOS2()
         //
         wxRemoveHandleAssociation(this);
     }
+    delete m_pChildrenDisabled;
 } // end of wxWindowOS2::~wxWindowOS2
 
 // real construction (Init() must have been called before!)
@@ -369,12 +379,24 @@ bool wxWindowOS2::Create(
 )
 {
     HWND                            hParent = NULLHANDLE;
-    wxPoint                         vPos = rPos; // The OS/2 position
     ULONG                           ulCreateFlags = 0;
     WXDWORD                         dwExStyle = 0;
 
     wxCHECK_MSG(pParent, FALSE, wxT("can't create wxWindow without parent"));
 
+#if wxUSE_STATBOX
+    //
+    // wxGTK doesn't allow to create controls with static box as the parent so
+    // this will result in a crash when the program is ported to wxGTK - warn
+    // about it
+    //
+    // the correct solution is to create the controls as siblings of the
+    // static box
+    //
+    wxASSERT_MSG( !wxDynamicCast(pParent, wxStaticBox),
+                  _T("wxStaticBox can't be used as a window parent!") );
+#endif // wxUSE_STATBOX
+
     if ( !CreateBase( pParent
                      ,vId
                      ,rPos
@@ -387,8 +409,6 @@ bool wxWindowOS2::Create(
 
     if (pParent)
     {
-        int                         nTempy;
-
         pParent->AddChild(this);
         hParent = GetWinHwnd(pParent);
 
@@ -403,65 +423,36 @@ bool wxWindowOS2::Create(
     // set in those class create procs.  PM's basic windows styles are
     // very limited.
     //
-    ulCreateFlags |=  WS_VISIBLE;
+    ulCreateFlags |=  OS2GetCreateWindowFlags(&dwExStyle);
 
 
 #ifdef __WXUNIVERSAL__
     // no 3d effects, we draw them ourselves
     WXDWORD exStyle = 0;
-#else // !wxUniversal
-    if (lStyle & wxCLIP_SIBLINGS)
-        ulCreateFlags |= WS_CLIPSIBLINGS;
-
-    if (lStyle & wxCLIP_CHILDREN )
-        ulCreateFlags |= WS_CLIPCHILDREN;
-
-    //
-    //
-    //
-    bool                            bWant3D;
-    dwExStyle = Determine3DEffects(WS_EX_CLIENTEDGE, &bWant3D);
-
-#endif
-
-    //
-    // Add the simple border style as we'll use this to draw borders
-    //
-    if (lStyle & wxSIMPLE_BORDER)
-        dwExStyle |= wxSIMPLE_BORDER;
-
+#endif // !wxUniversal
     if (lStyle & wxPOPUP_WINDOW)
     {
-        // a popup window floats on top of everything
-//TODO: fix this...
-//        exStyle |= WS_EX_TOPMOST | WS_EX_TOOLWINDOW;
-
-        // it is also created hidden as other top level windows
         ulCreateFlags &= ~WS_VISIBLE;
         m_isShown = FALSE;
     }
+    else
+    {
+        ulCreateFlags |= WS_VISIBLE;
+    }
 
     //
-    // Generic OS/2 Windows are created with no owner, no Z Order, no Control data,
-    // and no presentation parameters
+    // Generic OS/2 Windows have no Control Data but other classes
+    // that call OS2Create may have some.
     //
-    OS2Create( hParent
-              ,(PSZ)wxCanvasClassName
-              ,rName.c_str()
-              ,ulCreateFlags
-              ,vPos.x
-              ,vPos.y
-              ,WidthDefault(rSize.x)
-              ,HeightDefault(rSize.y)
-              ,NULLHANDLE
-              ,NULLHANDLE
-              ,m_windowId
-              ,NULL
-              ,NULL
-              ,dwExStyle
-             );
-
-    return(TRUE);
+    return(OS2Create( (PSZ)wxCanvasClassName
+                     ,rName.c_str()
+                     ,ulCreateFlags
+                     ,rPos
+                     ,rSize
+                     ,NULL         // Control Data
+                     ,dwExStyle
+                     ,TRUE         // Child
+                    ));
 } // end of wxWindowOS2::Create
 
 // ---------------------------------------------------------------------------
@@ -477,6 +468,14 @@ void wxWindowOS2::SetFocus()
         ::WinSetFocus(HWND_DESKTOP, hWnd);
 } // end of wxWindowOS2::SetFocus
 
+void wxWindowOS2::SetFocusFromKbd()
+{
+    //
+    // Nothing else to do under OS/2
+    //
+    wxWindowBase::SetFocusFromKbd();
+} // end of wxWindowOS2::SetFocus
+
 wxWindow* wxWindowBase::FindFocus()
 {
     HWND                            hWnd = ::WinQueryFocus(HWND_DESKTOP);
@@ -500,15 +499,58 @@ bool wxWindowOS2::Enable(
     if ( hWnd )
         ::WinEnableWindow(hWnd, (BOOL)bEnable);
 
+    //
+    // The logic below doesn't apply to the top level windows -- otherwise
+    // showing a modal dialog would result in total greying out (and ungreying
+    // out later) of everything which would be really ugly
+    //
+    if (IsTopLevel())
+        return TRUE;
+
     wxWindowList::Node*             pNode = GetChildren().GetFirst();
 
     while (pNode)
     {
         wxWindow*                   pChild = pNode->GetData();
 
-        pChild->Enable(bEnable);
+        if (bEnable)
+        {
+            //
+            // Enable the child back unless it had been disabled before us
+            //
+            if (!m_pChildrenDisabled || !m_pChildrenDisabled->Find(pChild))
+                pChild->Enable();
+        }
+        else // we're being disabled
+        {
+            if (pChild->IsEnabled())
+            {
+                //
+                // Disable it as children shouldn't stay enabled while the
+                // parent is not
+                //
+                pChild->Disable();
+            }
+            else // child already disabled, remember it
+            {
+                //
+                // Have we created the list of disabled children already?
+                //
+                if (!m_pChildrenDisabled)
+                    m_pChildrenDisabled = new wxWindowList;
+                m_pChildrenDisabled->Append(pChild);
+            }
+        }
         pNode = pNode->GetNext();
     }
+    if (bEnable && m_pChildrenDisabled)
+    {
+        //
+        // We don't need this list any more, don't keep unused memory
+        //
+        delete m_pChildrenDisabled;
+        m_pChildrenDisabled = NULL;
+    }
     return TRUE;
 } // end of wxWindowOS2::Enable
 
@@ -552,7 +594,7 @@ wxString wxWindowOS2::GetTitle() const
     return wxGetWindowText(GetHWND());
 } // end of wxWindowOS2::GetTitle
 
-void wxWindowOS2::CaptureMouse()
+void wxWindowOS2::DoCaptureMouse()
 {
     HWND                            hWnd = GetHwnd();
 
@@ -563,7 +605,7 @@ void wxWindowOS2::CaptureMouse()
     }
 } // end of wxWindowOS2::GetTitle
 
-void wxWindowOS2::ReleaseMouse()
+void wxWindowOS2::DoReleaseMouse()
 {
     if (m_bWinCaptured)
     {
@@ -590,77 +632,11 @@ bool wxWindowOS2::SetFont(
 
     HWND                            hWnd = GetHwnd();
 
-    if (hWnd != 0)
-    {
-        char                        zFont[128];
-        char                        zFacename[30];
-        char                        zWeight[30];
-        char                        zStyle[30];
-
-        //
-        // The fonts available for Presentation Params are just three
-        // outline fonts, the rest are available to the GPI, so we must
-        // map the families to one of these three
-        //
-        switch(rFont.GetFamily())
-        {
-            case wxSCRIPT:
-            case wxDECORATIVE:
-            case wxROMAN:
-                strcpy(zFacename,"Times New Roman");
-                break;
-
-            case wxTELETYPE:
-            case wxMODERN:
-                strcpy(zFacename, "Courier");
-                break;
-
-            case wxSWISS:
-            case wxDEFAULT:
-            default:
-                strcpy(zFacename, "Helvetica");
-                break;
-        }
-
-        switch(rFont.GetWeight())
-        {
-            default:
-            case wxNORMAL:
-            case wxLIGHT:
-                zWeight[0] = '\0';
-                break;
-
-            case wxBOLD:
-            case wxFONTWEIGHT_MAX:
-                strcpy(zWeight, "Bold");
-                break;
-        }
-        switch(rFont.GetStyle())
-        {
-            case wxITALIC:
-            case wxSLANT:
-                strcpy(zStyle, "Italic");
-                break;
-
-            default:
-                zStyle[0] = '\0';
-                break;
-        }
-        sprintf(zFont, "%d.%s", rFont.GetPointSize(), zFacename);
-        if (zWeight[0] != '\0')
-        {
-            strcat(zFont, " ");
-            strcat(zFont, zWeight);
-        }
-        if (zStyle[0] != '\0')
-        {
-            strcat(zFont, " ");
-            strcat(zFont, zStyle);
-        }
-        ::WinSetPresParam(hWnd, PP_FONTNAMESIZE, strlen(zFont) + 1, (PVOID)zFont);
-    }
+    wxOS2SetFont( hWnd
+                 ,rFont
+                );
     return(TRUE);
-}
+} // end of wxWindowOS2::SetFont
 
 bool wxWindowOS2::SetCursor(
   const wxCursor&                   rCursor
@@ -704,81 +680,11 @@ void wxWindowOS2::WarpPointer(
     ::WinSetPointerPos(HWND_DESKTOP, (LONG)nX, (LONG)(nY));
 } // end of wxWindowOS2::WarpPointer
 
-#if WXWIN_COMPATIBILITY
-void wxWindowOS2::OS2DeviceToLogical (float *x, float *y) const
-{
-}
-#endif // WXWIN_COMPATIBILITY
 
 // ---------------------------------------------------------------------------
 // scrolling stuff
 // ---------------------------------------------------------------------------
 
-#if WXWIN_COMPATIBILITY
-void wxWindowOS2::SetScrollRange(
-  int                               nOrient
-, int                               nRange
-, bool                              bRefresh
-)
-{
-    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 wxWindowOS2::SetScrollPage(
-  int                               nOrient
-, int                               nPage
-, bool                              bRefresh
-)
-{
-    if (nOrient == wxHORIZONTAL )
-        m_nXThumbSize = nPage;
-    else
-        m_nYThumbSize = nPage;
-} // end of wxWindowOS2::SetScrollPage
-
-int wxWindowOS2::OldGetScrollRange(
-  int                               nOrient
-) const
-{
-    MRESULT                         mRc;
-    HWND                            hWnd = GetHwnd();
-
-    if (hWnd)
-    {
-        mRc = WinSendMsg(hWnd, SBM_QUERYRANGE, (MPARAM)0L, (MPARAM)0L);
-        return(SHORT2FROMMR(mRc));
-     }
-     return 0;
-} // end of wxWindowOS2::OldGetScrollRange
-
-int  wxWindowOS2::GetScrollPage(
-  int                               nOrient
-) const
-{
-    if (nOrient == wxHORIZONTAL)
-        return m_nXThumbSize;
-    else
-        return m_nYThumbSize;
-} // end of wxWindowOS2::GetScrollPage
-#endif // WXWIN_COMPATIBILITY
-
 int  wxWindowOS2::GetScrollPos(
   int                               nOrient
 ) const
@@ -832,15 +738,38 @@ void wxWindowOS2::SetScrollbar(
 , bool                              WXUNUSED(bRefresh)
 )
 {
+    HWND                            hWnd = GetHwnd();
     int                             nOldRange = nRange - nThumbVisible;
     int                             nRange1 = nOldRange;
     int                             nPageSize = nThumbVisible;
+
     SBCDATA                         vInfo;
-    HWND                            hWnd = GetHwnd();
     ULONG                           ulStyle = WS_VISIBLE | WS_SYNCPAINT;
-    RECTL                           vRect;
+    SWP                             vSwp;
+    SWP                             vSwpOwner;
+    HWND                            hWndParent;
+    HWND                            hWndClient;
+    wxWindow*                       pParent = GetParent();
+
+    if (pParent && pParent->IsKindOf(CLASSINFO(wxFrame)))
+    {
+        wxFrame*                    pFrame;
+
+        pFrame = wxDynamicCast(pParent, wxFrame);
+        hWndParent = pFrame->GetFrame();
+        hWndClient = GetHwndOf(pParent);
+    }
+    else
+    {
+        if (pParent)
+            hWndParent = GetHwndOf(pParent);
+        else
+            hWndParent = GetHwnd();
+        hWndClient = hWndParent;
+    }
+    ::WinQueryWindowPos(hWndClient, &vSwp);
+    ::WinQueryWindowPos(hWnd, &vSwpOwner);
 
-    ::WinQueryWindowRect(hWnd, &vRect);
     if (nPageSize > 1 && nRange > 0)
     {
         nRange1 += (nPageSize - 1);
@@ -857,53 +786,70 @@ void wxWindowOS2::SetScrollbar(
         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!
+            // Since the scrollbars are usually created before the owner is
+            // sized either via an OnSize event directly or via sizers or
+            // layout constraints, we will initially just use the coords of
+            // the parent window (this is usually a frame client window). But
+            // the bars themselves, are children of the parent frame (i.e
+            // siblings of the frame client.  The owner, however is the actual
+            // window being scrolled (or at least the one responsible for
+            // handling the scroll events). The owner will be resized later,
+            // as it is usually a child of a top level window, and when that
+            // is done its scrollbars will be resized and repositioned as well.
             //
-            m_hWndScrollBarHorz = ::WinCreateWindow( hWnd
+            m_hWndScrollBarHorz = ::WinCreateWindow( hWndParent
                                                     ,WC_SCROLLBAR
                                                     ,(PSZ)NULL
                                                     ,ulStyle
-                                                    ,vRect.xLeft
-                                                    ,vRect.yBottom
-                                                    ,vRect.xRight - vRect.xLeft
+                                                    ,vSwp.x
+                                                    ,vSwp.y
+                                                    ,vSwp.cx - 20
                                                     ,20
                                                     ,hWnd
                                                     ,HWND_TOP
-                                                    ,FID_HORZSCROLL
+                                                    ,60000
                                                     ,&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.
+            // The owner (the scrolled window) is a child of the Frame's
+            // client window, usually.  The scrollbars are children of the
+            // frame, itself, and thus are positioned relative to the frame's
+            // origin, not the frame's client window origin.
+            // The starting x position is the same as the starting x position
+            // of the owner, but in terms of the parent frame.
+            // The starting y position is 20 pels below the origin of the
+            // owner in terms of the parent frame.
+            // The horz bar is the same width as the owner and 20 pels high.
             //
-            ::WinQueryWindowRect(m_hWndScrollBarHorz, &vRect2);
-            if (!(vRect2.xLeft == vRect.xLeft     &&
-                  vRect2.xRight == vRect.xRight   &&
-                  vRect2.yBottom == vRect.yBottom &&
-                  vRect2.yTop == vRect.yTop
-                ) )
+            if (nRange1 >= nThumbVisible)
             {
                 ::WinSetWindowPos( m_hWndScrollBarHorz
                                   ,HWND_TOP
-                                  ,vRect.xLeft
-                                  ,vRect.yBottom
-                                  ,vRect.xRight - vRect.xLeft
+                                  ,vSwp.x + vSwpOwner.x
+                                  ,(vSwp.y + vSwpOwner.y) - 20
+                                  ,vSwpOwner.cx
                                   ,20
-                                  ,SWP_ACTIVATE | SWP_MOVE | SWP_SIZE | SWP_SHOW
+                                  ,SWP_MOVE | SWP_SIZE | SWP_SHOW | SWP_ACTIVATE | SWP_ZORDER
                                  );
+                ::WinSendMsg( m_hWndScrollBarHorz
+                             ,SBM_SETSCROLLBAR
+                             ,(MPARAM)nPos
+                             ,MPFROM2SHORT(0, (SHORT)nRange1)
+                            );
+                ::WinSendMsg( m_hWndScrollBarHorz
+                             ,SBM_SETTHUMBSIZE
+                             ,MPFROM2SHORT( (SHORT)nThumbVisible
+                                           ,(SHORT)nRange1
+                                          )
+                             ,(MPARAM)0
+                            );
             }
-            ::WinSendMsg(m_hWndScrollBarHorz, SBM_SETSCROLLBAR, (MPARAM)nPos, MPFROM2SHORT(0, (SHORT)nRange1));
-            ::WinSendMsg(m_hWndScrollBarHorz, SBM_SETTHUMBSIZE, MPFROM2SHORT((SHORT)nThumbVisible, (SHORT)nRange1), (MPARAM)0);
+            else
+                ::WinShowWindow(m_hWndScrollBarHorz, FALSE);
         }
     }
     else
@@ -911,49 +857,75 @@ void wxWindowOS2::SetScrollbar(
         ulStyle |= SBS_VERT;
         if (m_hWndScrollBarVert == 0L)
         {
-            m_hWndScrollBarVert = ::WinCreateWindow( hWnd
+            //
+            // Since the scrollbars are usually created before the owner is
+            // sized either via an OnSize event directly or via sizers or
+            // layout constraints, we will initially just use the coords of
+            // the parent window (this is usually a frame client window). But
+            // the bars themselves, are children of the parent frame (i.e
+            // siblings of the frame client.  The owner, however is the actual
+            // window being scrolled (or at least the one responsible for
+            // handling the scroll events). The owner will be resized later,
+            // as it is usually a child of a top level window, and when that
+            // is done its scrollbars will be resized and repositioned as well.
+            //
+            m_hWndScrollBarVert = ::WinCreateWindow( hWndParent
                                                     ,WC_SCROLLBAR
                                                     ,(PSZ)NULL
                                                     ,ulStyle
-                                                    ,vRect.xRight - 20
-                                                    ,vRect.yBottom + 20
+                                                    ,vSwp.x + vSwp.cx - 20
+                                                    ,vSwp.y + 20
                                                     ,20
-                                                    ,vRect.yTop - (vRect.yBottom + 20)
+                                                    ,vSwp.cy - 20
                                                     ,hWnd
                                                     ,HWND_TOP
-                                                    ,FID_VERTSCROLL
+                                                    ,60001
                                                     ,&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.
+            // The owner (the scrolled window) is a child of the Frame's
+            // client window, usually.  The scrollbars are children of the
+            // frame, itself and thus are positioned relative to the frame's
+            // origin, not the frame's client window's origin.
+            // Thus, the x position will be frame client's x (usually a few
+            // pels inside the parent frame, plus the width of the owner.
+            // Since we may be using sizers or layout constraints for multiple
+            // child scrolled windows, the y position will be the frame client's
+            // y pos plus the scrolled windows y position, yielding the y
+            // position of the scrollbar relative to the parent frame (the vert
+            // scrollbar is on the right and starts at the bottom of the
+            // owner window).
+            // It is 20 pels wide and the same height as the owner.
             //
-            ::WinQueryWindowRect(m_hWndScrollBarVert, &vRect2);
-            if (!(vRect2.xLeft == vRect.xLeft     &&
-                  vRect2.xRight == vRect.xRight   &&
-                  vRect2.yBottom == vRect.yBottom &&
-                  vRect2.yTop == vRect.yTop
-                ) )
+            if (nRange1 >= nThumbVisible)
             {
                 ::WinSetWindowPos( m_hWndScrollBarVert
                                   ,HWND_TOP
-                                  ,vRect.xRight - 20
-                                  ,vRect.yBottom + 20
+                                  ,vSwp.x + vSwpOwner.x + vSwpOwner.cx
+                                  ,vSwp.y + vSwpOwner.y
                                   ,20
-                                  ,vRect.yTop - (vRect.yBottom + 20)
+                                  ,vSwpOwner.cy
                                   ,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
+                            );
             }
-            ::WinSendMsg(m_hWndScrollBarVert, SBM_SETSCROLLBAR, (MPARAM)nPos, MPFROM2SHORT(0, (SHORT)nRange1));
-            ::WinSendMsg(m_hWndScrollBarVert, SBM_SETTHUMBSIZE, MPFROM2SHORT((SHORT)nThumbVisible, (SHORT)nRange1), (MPARAM)0);
+            else
+                ::WinShowWindow(m_hWndScrollBarVert, FALSE);
         }
         m_nYThumbSize = nThumbVisible;
     }
@@ -966,86 +938,29 @@ void wxWindowOS2::ScrollWindow(
 )
 {
     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 + pRect->height;
-        vRect2.xRight  = pRect->x + pRect->width;
-        vRect2.yBottom = pRect->y;
+        vRect.xLeft   = pRect->x;
+        vRect.yTop    = pRect->y + pRect->height;
+        vRect.xRight  = pRect->x + pRect->width;
+        vRect.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
-                          ,SW_INVALIDATERGN
-                         );
-    else
-        ::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();
+        ::WinQueryWindowRect(GetHwnd(), &vRect);
     }
+    nDy *= -1; // flip the sign of Dy as OS/2 is opposite Windows.
+    ::WinScrollWindow( GetHwnd()
+                      ,(LONG)nDx
+                      ,(LONG)nDy
+                      ,&vRect
+                      ,&vRect
+                      ,NULLHANDLE
+                      ,NULL
+                      ,SW_SCROLLCHILDREN | SW_INVALIDATERGN
+                     );
+    Refresh();
 } // end of wxWindowOS2::ScrollWindow
 
 // ---------------------------------------------------------------------------
@@ -1058,9 +973,20 @@ void wxWindowOS2::SubclassWin(
 {
     HWND                            hwnd = (HWND)hWnd;
 
-    wxASSERT_MSG( !m_fnOldWndProc, wxT("subclassing window twice?") );
     wxCHECK_RET(::WinIsWindow(vHabmain, hwnd), wxT("invalid HWND in SubclassWin") );
-    m_fnOldWndProc = (WXFARPROC) ::WinSubclassWindow(hwnd, (PFNWP)wxWndProc);
+    wxAssociateWinWithHandle( hWnd
+                             ,(wxWindow*)this
+                            );
+    if (!wxCheckWindowWndProc( hWnd
+                              ,(WXFARPROC)wxWndProc
+                             ))
+    {
+        m_fnOldWndProc = (WXFARPROC) ::WinSubclassWindow(hwnd, (PFNWP)wxWndProc);
+    }
+    else
+    {
+        m_fnOldWndProc = (WXFARPROC)NULL;
+    }
 } // end of wxWindowOS2::SubclassWin
 
 void wxWindowOS2::UnsubclassWin()
@@ -1084,8 +1010,84 @@ void wxWindowOS2::UnsubclassWin()
     }
 } // end of wxWindowOS2::UnsubclassWin
 
+bool wxCheckWindowWndProc(
+  WXHWND                            hWnd
+, WXFARPROC                         fnWndProc
+)
+{
+    static char                     zBuffer[512];
+    CLASSINFO                       vCls;
+
+    ::WinQueryClassName((HWND)hWnd, (LONG)512, (PCH)zBuffer);
+    ::WinQueryClassInfo(wxGetInstance(), (PSZ)zBuffer, &vCls);
+    return(fnWndProc == (WXFARPROC)vCls.pfnWindowProc);
+} // end of WinGuiBase_CheckWindowWndProc
+
+void wxWindowOS2::SetWindowStyleFlag(
+  long                              lFlags
+)
+{
+    long                            lFlagsOld = GetWindowStyleFlag();
+
+    if (lFlags == lFlagsOld)
+        return;
+
+    //
+    // Update the internal variable
+    //
+    wxWindowBase::SetWindowStyleFlag(lFlags);
+
+    //
+    // Now update the Windows style as well if needed - and if the window had
+    // been already created
+    //
+    if (!GetHwnd())
+        return;
+
+    WXDWORD                         dwExstyle;
+    WXDWORD                         dwExstyleOld;
+    long                            lStyle = OS2GetStyle( lFlags
+                                                         ,&dwExstyle
+                                                        );
+    long                            lStyleOld = OS2GetStyle( lFlagsOld
+                                                            ,&dwExstyleOld
+                                                           );
+
+    if (lStyle != lStyleOld)
+    {
+        //
+        // Some flags (e.g. WS_VISIBLE or WS_DISABLED) should not be changed by
+        // this function so instead of simply setting the style to the new
+        // value we clear the bits which were set in styleOld but are set in
+        // the new one and set the ones which were not set before
+        //
+        long                        lStyleReal = ::WinQueryWindowULong(GetHwnd(), QWL_STYLE);
+
+        lStyleReal &= ~lStyleOld;
+        lStyleReal |= lStyle;
+
+        ::WinSetWindowULong(GetHwnd(), QWL_STYLE, lStyleReal);
+    }
+} // end of wxWindowOS2::SetWindowStyleFlag
+
+WXDWORD wxWindowOS2::OS2GetStyle(
+  long                              lFlags
+, WXDWORD*                          pdwExstyle
+) const
+{
+    WXDWORD                         dwStyle = 0L;
+
+    if (lFlags & wxCLIP_CHILDREN )
+        dwStyle |= WS_CLIPCHILDREN;
+
+    if (lFlags & wxCLIP_SIBLINGS )
+        dwStyle |= WS_CLIPSIBLINGS;
+
+    return dwStyle;
+} // end of wxWindowMSW::MSWGetStyle
+
 //
-// Make a Windows extended style from the given wxWindows window style
+// Make a Windows extended style from the given wxWidgets window style
 //
 WXDWORD wxWindowOS2::MakeExtendedStyle(
   long                              lStyle
@@ -1115,118 +1117,6 @@ WXDWORD wxWindowOS2::MakeExtendedStyle(
     return dwStyle;
 } // end of wxWindowOS2::MakeExtendedStyle
 
-//
-// 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 OS2Create.
-//
-WXDWORD wxWindowOS2::Determine3DEffects(
-  WXDWORD                           dwDefaultBorderStyle
-, bool*                             pbWant3D
-) const
-{
-    WXDWORD                         dwStyle = 0L;
-
-    //
-    // Native PM does not have any specialize 3D effects like WIN32 does,
-    // so we have to try and invent them.
-    //
-
-    //
-    // 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 wxWindowOS2::Determine3DEffects
-
-#if WXWIN_COMPATIBILITY
-void wxWindowOS2::OnCommand(
-  wxWindow&                         rWin
-, wxCommandEvent&                   rEvent
-)
-{
-    if (GetEventHandler()->ProcessEvent(rEvent))
-        return;
-    if (m_parent)
-        m_parent->GetEventHandler()->OnCommand( rWin
-                                               ,rEvent
-                                              );
-} // end of wxWindowOS2::OnCommand
-
-wxObject* wxWindowOS2::GetChild(
-  int                               nNumber
-) const
-{
-    //
-    // Return a pointer to the Nth object in the Panel
-    //
-    wxNode*                         pNode = GetChildren().First();
-    int                             n = nNumber;
-
-    while (pNode && n--)
-        pNode = pNode->Next();
-    if (pNode)
-    {
-        wxObject*                   pObj = (wxObject*)pNode->Data();
-        return(pObj);
-    }
-    else
-        return NULL;
-} // end of wxWindowOS2::GetChild
-
-#endif // WXWIN_COMPATIBILITY
-
 //
 // Setup background and foreground colours correctly
 //
@@ -1262,10 +1152,10 @@ void wxWindowOS2::OnIdle(
             //
             int                     nState = 0;
 
-            if (::WinGetKeyState(HWND_DESKTOP, VK_SHIFT) != 0)
-                nState |= VK_SHIFT;
-            if (::WinGetKeyState(HWND_DESKTOP, VK_CTRL) != 0);
-                nState |= VK_CTRL;
+            if (IsShiftDown())
+                nState |= KC_SHIFT;
+            if (IsCtrlDown())
+                nState |= KC_CTRL;
 
             wxMouseEvent            rEvent(wxEVT_LEAVE_WINDOW);
 
@@ -1277,7 +1167,8 @@ void wxWindowOS2::OnIdle(
             (void)GetEventHandler()->ProcessEvent(rEvent);
         }
     }
-    UpdateWindowUI();
+    if (wxUpdateUIEvent::CanUpdate(this))
+        UpdateWindowUI(wxUPDATE_UI_FROMIDLE);
 } // end of wxWindowOS2::OnIdle
 
 //
@@ -1297,17 +1188,6 @@ bool wxWindowOS2::Reparent(
     return TRUE;
 } // end of wxWindowOS2::Reparent
 
-void wxWindowOS2::Clear()
-{
-    wxClientDC                      vDc((wxWindow*)this);
-    wxBrush                         vBrush( GetBackgroundColour()
-                                           ,wxSOLID
-                                          );
-
-    vDc.SetBackground(vBrush);
-    vDc.Clear();
-} // end of wxWindowOS2::Clear
-
 void wxWindowOS2::Update()
 {
     ::WinUpdateWindow(GetHwnd());
@@ -1343,14 +1223,18 @@ void wxWindowOS2::Refresh(
             RECTL                   vOs2Rect;
 
             vOs2Rect.xLeft   = pRect->x;
-            vOs2Rect.yTop    = pRect->y;
+            vOs2Rect.yBottom = pRect->y;
             vOs2Rect.xRight  = pRect->x + pRect->width;
-            vOs2Rect.yBottom = pRect->y + pRect->height;
+            vOs2Rect.yTop    = pRect->y + pRect->height;
 
             ::WinInvalidateRect(hWnd, &vOs2Rect, bEraseBack);
         }
         else
             ::WinInvalidateRect(hWnd, NULL, bEraseBack);
+        if (m_hWndScrollBarHorz != NULLHANDLE)
+            ::WinInvalidateRect(m_hWndScrollBarHorz, NULL, TRUE);
+        if (m_hWndScrollBarVert != NULLHANDLE)
+            ::WinInvalidateRect(m_hWndScrollBarVert, NULL, TRUE);
     }
 } // end of wxWindowOS2::Refresh
 
@@ -1363,14 +1247,7 @@ void wxWindowOS2::SetDropTarget(
   wxDropTarget*                     pDropTarget
 )
 {
-    if (m_dropTarget != 0)
-    {
-        m_dropTarget->Revoke(m_hWnd);
-        delete m_dropTarget;
-    }
     m_dropTarget = pDropTarget;
-    if (m_dropTarget != 0)
-        m_dropTarget->Register(m_hWnd);
 } // end of wxWindowOS2::SetDropTarget
 #endif
 
@@ -1416,9 +1293,17 @@ void wxWindowOS2::DoGetSize(
 , int*                              pHeight
 ) const
 {
-    HWND                            hWnd = GetHwnd();
+    HWND                            hWnd;
     RECTL                           vRect;
 
+    if (IsKindOf(CLASSINFO(wxFrame)))
+    {
+        wxFrame*                    pFrame = wxDynamicCast(this, wxFrame);
+        hWnd = pFrame->GetFrame();
+    }
+    else
+        hWnd = GetHwnd();
+
     ::WinQueryWindowRect(hWnd, &vRect);
 
     if (pWidth)
@@ -1514,22 +1399,68 @@ void wxWindowOS2::DoGetClientSize(
 ) const
 {
     HWND                            hWnd = GetHwnd();
-    HWND                            hWndClient;
     RECTL                           vRect;
 
-    if (IsKindOf(CLASSINFO(wxFrame)))
-        hWndClient = ::WinWindowFromID(GetHwnd(), FID_CLIENT);
-    else
-        hWndClient = NULLHANDLE;
-    if( hWndClient == NULLHANDLE)
-       ::WinQueryWindowRect(GetHwnd(), &vRect);
-    else
-       ::WinQueryWindowRect(hWndClient, &vRect);
+   ::WinQueryWindowRect(hWnd, &vRect);
+    if (IsKindOf(CLASSINFO(wxDialog)))
+    {
+        RECTL                       vTitle;
+        HWND                        hWndTitle;
+        //
+        // For a Dialog we have to explicitly request the client portion.
+        // For a Frame the hWnd IS the client window
+        //
+        hWndTitle = ::WinWindowFromID(hWnd, FID_TITLEBAR);
+        if (::WinQueryWindowRect(hWndTitle, &vTitle))
+        {
+            if (vTitle.yTop - vTitle.yBottom == 0)
+            {
+                //
+                // Dialog has not been created yet, use a default
+                //
+                vTitle.yTop = 20;
+            }
+            vRect.yTop -= (vTitle.yTop - vTitle.yBottom);
+        }
+
+        ULONG                       uStyle = ::WinQueryWindowULong(hWnd, QWL_STYLE);
 
+        //
+        // Deal with borders
+        //
+        if (uStyle & FCF_DLGBORDER)
+        {
+            vRect.xLeft += 4;
+            vRect.xRight -= 4;
+            vRect.yTop -= 4;
+            vRect.yBottom += 4;
+        }
+        else if (uStyle & FCF_SIZEBORDER)
+        {
+            vRect.xLeft += 4;
+            vRect.xRight -= 4;
+            vRect.yTop -= 4;
+            vRect.yBottom += 4;
+        }
+        else if (uStyle & FCF_BORDER)
+        {
+            vRect.xLeft += 2;
+            vRect.xRight -= 2;
+            vRect.yTop -= 2;
+            vRect.yBottom += 2;
+        }
+        else // make some kind of adjustment or top sizers ram into the titlebar!
+        {
+            vRect.xLeft += 3;
+            vRect.xRight -= 3;
+            vRect.yTop -= 3;
+            vRect.yBottom += 3;
+        }
+    }
     if (pWidth)
-        *pWidth  = vRect.xRight;
+        *pWidth  = vRect.xRight - vRect.xLeft;
     if (pHeight)
-        *pHeight = vRect.yTop;
+        *pHeight = vRect.yTop - vRect.yBottom;
 } // end of wxWindowOS2::DoGetClientSize
 
 void wxWindowOS2::DoMoveWindow(
@@ -1540,10 +1471,9 @@ void wxWindowOS2::DoMoveWindow(
 )
 {
     RECTL                           vRect;
-    HWND                            hParent;
     wxWindow*                       pParent = GetParent();
 
-    if (pParent)
+    if (pParent && !IsKindOf(CLASSINFO(wxDialog)))
     {
         int                         nOS2Height = GetOS2ParentHeight(pParent);
 
@@ -1556,14 +1486,141 @@ void wxWindowOS2::DoMoveWindow(
         ::WinQueryWindowRect(HWND_DESKTOP, &vRect);
         nY = vRect.yTop - (nY + nHeight);
     }
-    ::WinSetWindowPos( GetHwnd()
-                      ,HWND_TOP
-                      ,(LONG)nX
-                      ,(LONG)nY
-                      ,(LONG)nWidth
-                      ,(LONG)nHeight
-                      ,SWP_ZORDER | SWP_SIZE | SWP_MOVE | SWP_SHOW
-                     );
+
+    //
+    // In the case of a frame whose client is sized, the client cannot be
+    // large than its parent frame minus its borders! This usually happens
+    // when using an autosizer to size a frame to precisely hold client
+    // controls as in the notebook sample.
+    //
+    // In this case, we may need to resize both a frame and its client so we
+    // need a quick calc of the frame border size, then if the frame
+    // (less its borders) is smaller than the client, size the frame to
+    // encompass the client with the appropriate border size.
+    //
+    if (IsKindOf(CLASSINFO(wxFrame)))
+    {
+        RECTL                       vFRect;
+        HWND                        hWndFrame;
+        int                         nWidthFrameDelta = 0;
+        int                         nHeightFrameDelta = 0;
+        int                         nHeightFrame = 0;
+        int                         nWidthFrame = 0;
+        wxFrame*                    pFrame;
+
+        pFrame = wxDynamicCast(this, wxFrame);
+        hWndFrame = pFrame->GetFrame();
+        ::WinQueryWindowRect(hWndFrame, &vRect);
+        ::WinMapWindowPoints(hWndFrame, HWND_DESKTOP, (PPOINTL)&vRect, 2);
+        vFRect = vRect;
+        ::WinCalcFrameRect(hWndFrame, &vRect, TRUE);
+        nWidthFrameDelta = ((vRect.xLeft - vFRect.xLeft) + (vFRect.xRight - vRect.xRight));
+        nHeightFrameDelta = ((vRect.yBottom - vFRect.yBottom) + (vFRect.yTop - vRect.yTop));
+        nWidthFrame = vFRect.xRight - vFRect.xLeft;
+        nHeightFrame = vFRect.yTop - vFRect.yBottom;
+
+        if (nWidth == vFRect.xRight - vFRect.xLeft &&
+            nHeight == vFRect.yTop - vFRect.yBottom)
+        {
+            //
+            // In this case the caller is not aware of OS/2's need to size both
+            // the frame and it's client and is really only moving the window,
+            // not resizeing it.  So move the frame, and back off the sizes
+            // for a proper client fit.
+            //
+            ::WinSetWindowPos( hWndFrame
+                              ,HWND_TOP
+                              ,(LONG)nX - (vRect.xLeft - vFRect.xLeft)
+                              ,(LONG)nY - (vRect.yBottom - vFRect.yBottom)
+                              ,(LONG)0
+                              ,(LONG)0
+                              ,SWP_MOVE
+                             );
+            nX += (vRect.xLeft - vFRect.xLeft);
+            nY += (vRect.yBottom - vFRect.yBottom);
+            nWidth -= nWidthFrameDelta;
+            nHeight -= nHeightFrameDelta;
+        }
+        else
+        {
+            if (nWidth > nWidthFrame - nHeightFrameDelta ||
+                nHeight > nHeightFrame - nHeightFrameDelta)
+            {
+                ::WinSetWindowPos( hWndFrame
+                                  ,HWND_TOP
+                                  ,(LONG)nX - (vRect.xLeft - vFRect.xLeft)
+                                  ,(LONG)nY - (vRect.yBottom - vFRect.yBottom)
+                                  ,(LONG)nWidth + nWidthFrameDelta
+                                  ,(LONG)nHeight + nHeightFrameDelta
+                                  ,SWP_MOVE | SWP_SIZE
+                                 );
+            }
+        }
+    }
+
+    ::WinSetWindowPos( GetHwnd()
+                      ,HWND_TOP
+                      ,(LONG)nX
+                      ,(LONG)nY
+                      ,(LONG)nWidth
+                      ,(LONG)nHeight
+                      ,SWP_SIZE | SWP_MOVE
+                     );
+    if (m_vWinSwp.cx == 0 && m_vWinSwp.cy == 0 && m_vWinSwp.fl == 0)
+        //
+        // Uninitialized
+        //
+        ::WinQueryWindowPos(GetHwnd(), &m_vWinSwp);
+    else
+    {
+        int                         nYDiff = m_vWinSwp.cy - nHeight;
+
+        //
+        // Handle resizing of scrolled windows.  The target or window to
+        // be scrolled is the owner (gets the scroll notificaitons).  The
+        // parent is usually the parent frame of the scrolled panel window.
+        // In order to show the scrollbars the target window will be shrunk
+        // by the size of the scroll bar widths (20) and moved in the X and Y
+        // directon.  That value will be computed as part of the diff for
+        // moving the children.  Everytime the window is sized the
+        // toplevel OnSize is going to resize the panel to fit the client
+        // or the whole sizer and will need to me resized. This will send
+        // a WM_SIZE out which will be intercepted by the ScrollHelper
+        // which will cause the scrollbars to be displayed via the SetScrollbar
+        // call in CWindow.
+        //
+        if ( IsKindOf(CLASSINFO(wxGenericScrolledWindow)) ||
+             IsKindOf(CLASSINFO(wxScrolledWindow))
+           )
+        {
+            int                     nAdjustWidth  = 0;
+            int                     nAdjustHeight = 0;
+            SWP                     vSwpScroll;
+
+            if (GetScrollBarHorz() == NULLHANDLE ||
+                !WinIsWindowShowing(GetScrollBarHorz()))
+                nAdjustHeight = 0L;
+            else
+                nAdjustHeight = 20L;
+            if (GetScrollBarVert() == NULLHANDLE ||
+                !WinIsWindowShowing(GetScrollBarVert()))
+                nAdjustWidth = 0L;
+            else
+                nAdjustWidth = 20L;
+            ::WinQueryWindowPos(GetHWND(), &vSwpScroll);
+            ::WinSetWindowPos( GetHWND()
+                              ,HWND_TOP
+                              ,vSwpScroll.x
+                              ,vSwpScroll.y + nAdjustHeight
+                              ,vSwpScroll.cx - nAdjustWidth
+                              ,vSwpScroll.cy - nAdjustHeight
+                              ,SWP_MOVE | SWP_SIZE
+                             );
+            nYDiff += nAdjustHeight;
+        }
+        MoveChildren(nYDiff);
+        ::WinQueryWindowPos(GetHwnd(), &m_vWinSwp);
+    }
 } // end of wxWindowOS2::DoMoveWindow
 
 //
@@ -1596,8 +1653,15 @@ void wxWindowOS2::DoSetSize(
     GetPosition(&nCurrentX, &nCurrentY);
     GetSize(&nCurrentWidth, &nCurrentHeight);
 
+    //
     // ... and don't do anything (avoiding flicker) if it's already ok
-    if (nX == nCurrentX && nY == nCurrentY &&
+    //
+    //
+    // Must convert Y coords to test for equality under OS/2
+    //
+    int                             nY2 = nY;
+
+    if (nX == nCurrentX && nY2 == nCurrentY &&
         nWidth == nCurrentWidth && nHeight == nCurrentHeight)
     {
         return;
@@ -1655,34 +1719,61 @@ void wxWindowOS2::DoSetClientSize(
 , int                               nHeight
 )
 {
-    wxWindow*                       pParent = GetParent();
-    HWND                            hWnd = GetHwnd();
-    HWND                            hParentWnd = (HWND)0;
     POINTL                          vPoint;
-    RECTL                           vRect;
-    RECTL                           vRect2;
-    RECTL                           vRect3;
-    HWND                            hClientWnd = (HWND)0;
+    int                             nActualWidth;
+    int                             nActualHeight;
+    wxWindow*                       pParent = (wxWindow*)GetParent();
+    HWND                            hParentWnd = (HWND)0;
 
-    hClientWnd = ::WinWindowFromID(hWnd, FID_CLIENT);
-    ::WinQueryWindowRect(hClientWnd, &vRect2);
-    ::WinQueryWindowRect(hWnd, &vRect);
-    ::WinQueryWindowRect(hParentWnd, &vRect3);
+    if (pParent)
+        hParentWnd = (HWND)pParent->GetHWND();
 
-    int                             nActualWidth = vRect2.xRight - vRect2.xLeft - vRect.xRight + nWidth;
-    int                             nActualHeight = vRect2.yTop - vRect2.yBottom - vRect.yTop + nHeight;
+    if (IsKindOf(CLASSINFO(wxFrame)))
+    {
+        wxFrame*                    pFrame = wxDynamicCast(this, wxFrame);
+        HWND                        hFrame = pFrame->GetFrame();
+        RECTL                       vRect;
+        RECTL                       vRect2;
+        RECTL                       vRect3;
 
-    vPoint.x = vRect2.xLeft;
-    vPoint.y = vRect2.yBottom;
-    if (pParent)
+        ::WinQueryWindowRect(GetHwnd(), &vRect2);
+        ::WinQueryWindowRect(hFrame, &vRect);
+        ::WinQueryWindowRect(hParentWnd, &vRect3);
+        nActualWidth = vRect2.xRight - vRect2.xLeft - vRect.xRight + nWidth;
+        nActualHeight = vRect2.yTop - vRect2.yBottom - vRect.yTop + nHeight;
+
+        vPoint.x = vRect2.xLeft;
+        vPoint.y = vRect2.yBottom;
+        if (pParent)
+        {
+            vPoint.x -= vRect3.xLeft;
+            vPoint.y -= vRect3.yBottom;
+        }
+    }
+    else
     {
-        vPoint.x -= vRect3.xLeft;
-        vPoint.y -= vRect3.yBottom;
+        int                         nX;
+        int                         nY;
+
+        GetPosition(&nX, &nY);
+        nActualWidth  = nWidth;
+        nActualHeight = nHeight;
+
+        vPoint.x = nX;
+        vPoint.y = nY;
     }
+    DoMoveWindow( vPoint.x
+                 ,vPoint.y
+                 ,nActualWidth
+                 ,nActualHeight
+                );
 
-    DoMoveWindow(vPoint.x, vPoint.y, nActualWidth, nActualHeight);
+    wxSizeEvent                     vEvent( wxSize( nWidth
+                                                   ,nHeight
+                                                  )
+                                           ,m_windowId
+                                          );
 
-    wxSizeEvent                     vEvent(wxSize(nWidth, nHeight), m_windowId);
     vEvent.SetEventObject(this);
     GetEventHandler()->ProcessEvent(vEvent);
 } // end of wxWindowOS2::DoSetClientSize
@@ -1743,9 +1834,8 @@ void wxWindowOS2::GetTextExtent(
     int                             i;
     int                             l;
     FONTMETRICS                     vFM; // metrics structure
-    BOOL                            bRc;
+    BOOL                            bRc = FALSE;
     char*                           pStr;
-    ERRORID                         vErrorCode; // last error id code
     HPS                             hPS;
 
 
@@ -1846,89 +1936,11 @@ bool wxWindowOS2::IsMouseInWindow() const
     return hWnd != NULL;
 } // end of wxWindowOS2::IsMouseInWindow
 
-#if wxUSE_CARET && WXWIN_COMPATIBILITY
-// ---------------------------------------------------------------------------
-// Caret manipulation
-// ---------------------------------------------------------------------------
-
-void wxWindowOS2::CreateCaret(
-  int                               nWidth
-, int                               nHeight
-)
-{
-    SetCaret(new wxCaret( this
-                         ,nWidth
-                         ,nHeight
-                        ));
-} // end of wxWindowOS2::CreateCaret
-
-void wxWindowOS2::CreateCaret(
-  const wxBitmap*                   pBitmap
-)
-{
-    wxFAIL_MSG("not implemented");
-} // end of wxWindowOS2::CreateCaret
-
-void wxWindowOS2::ShowCaret(
-  bool                              bShow
-)
-{
-    wxCHECK_RET( m_caret, "no caret to show" );
-
-    m_caret->Show(bShow);
-} // end of wxWindowOS2::ShowCaret
-
-void wxWindowOS2::DestroyCaret()
-{
-    SetCaret(NULL);
-} // end of wxWindowOS2::DestroyCaret
-
-void wxWindowOS2::SetCaretPos(
-  int                               nX
-, int                               nY)
-{
-    wxCHECK_RET( m_caret, "no caret to move" );
-
-    m_caret->Move( nX
-                  ,nY
-                 );
-} // end of wxWindowOS2::SetCaretPos
-
-void wxWindowOS2::GetCaretPos(
-  int*                              pX
-, int*                              pY
-) const
-{
-    wxCHECK_RET( m_caret, "no caret to get position of" );
-
-    m_caret->GetPosition( pX
-                         ,pY
-                        );
-} // end of wxWindowOS2::GetCaretPos
-
-#endif //wxUSE_CARET
 
 // ---------------------------------------------------------------------------
 // popup menu
 // ---------------------------------------------------------------------------
 //
-#if wxUSE_MENUS_NATIVE
-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);
-    }
-}
-#endif // wxUSE_MENUS_NATIVE
-
 #if wxUSE_MENUS_NATIVE
 bool wxWindowOS2::DoPopupMenu(
   wxMenu*                           pMenu
@@ -1936,36 +1948,48 @@ bool wxWindowOS2::DoPopupMenu(
 , int                               nY
 )
 {
-    HWND                            hWnd = GetHwnd();
-    HWND                            hWndParent = GetParent() ? GetWinHwnd(GetParent()) : (HWND)0;
+    HWND                            hWndOwner = GetHwnd();
+    HWND                            hWndParent = GetHwnd();
     HWND                            hMenu = GetHmenuOf(pMenu);
+    bool                            bIsWaiting = TRUE;
 
     pMenu->SetInvokingWindow(this);
     pMenu->UpdateUI();
-
-    DoClientToScreen( &nX
-                     ,&nY
-                    );
+    
+    if ( x == -1 && y == -1 )
+    {
+        wxPoint mouse = wxGetMousePosition();
+        nX = mouse.x; nY = mouse.y;
+    }
+    else
+    {
+        DoClientToScreen( &nX
+                         ,&nY
+                        );
+    }
     wxCurrentPopupMenu = pMenu;
 
     ::WinPopupMenu( hWndParent
-                   ,hWnd
+                   ,hWndOwner
                    ,hMenu
                    ,nX
                    ,nY
                    ,0L
-                   ,PU_MOUSEBUTTON2DOWN | PU_MOUSEBUTTON2 | PU_KEYBOARD
+                   ,PU_HCONSTRAIN | PU_VCONSTRAIN | PU_MOUSEBUTTON1 | PU_KEYBOARD
                   );
-    // we need to do it righ now as otherwise the events are never going to be
-    // sent to wxCurrentPopupMenu from ;()
-    //
-    // 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;
 
+    while(bIsWaiting)
+    {
+        QMSG                            vMsg;
+
+        if (vMsg.msg == WM_MENUEND || vMsg.msg == WM_COMMAND)
+        {
+            bIsWaiting = FALSE;
+        }
+        ::WinDispatchMsg(vHabmain, (PQMSG)&vMsg);
+
+    }
+    wxCurrentPopupMenu = NULL;
     pMenu->SetInvokingWindow(NULL);
     return TRUE;
 } // end of wxWindowOS2::DoPopupMenu
@@ -2114,6 +2138,14 @@ bool wxWindowOS2::OS2ProcessMessage(
                                 pBtn->OS2Command(BN_CLICKED, 0 /* unused */);
                                 return TRUE;
                             }
+                            else if (!IsTopLevel())
+                            {
+                                //
+                                // if not a top level window, let parent
+                                // handle it
+                                //
+                                return FALSE;
+                            }
                             // else: but if it does not it makes sense to make
                             //       it work like a TAB - and that's what we do.
                             //       Note that Ctrl-Enter always works this way.
@@ -2158,17 +2190,6 @@ bool wxWindowOS2::OS2ProcessMessage(
     pMsg = pMsg; // just shut up the compiler
 #endif // __WXUNIVERSAL__
 
-#if wxUSE_TOOLTIPS
-    if ( m_tooltip )
-    {
-        // relay mouse move events to the tooltip control
-        QMSG*                       pQMsg = (QMSG*)pMsg;
-
-        if (pQMsg->msg == WM_MOUSEMOVE )
-            m_tooltip->RelayEvent(pMsg);
-    }
-#endif // wxUSE_TOOLTIPS
-
     return FALSE;
 } // end of wxWindowOS2::OS2ProcessMessage
 
@@ -2184,6 +2205,14 @@ bool wxWindowOS2::OS2TranslateMessage(
 #endif //wxUSE_ACCEL
 } // end of wxWindowOS2::OS2TranslateMessage
 
+bool wxWindowOS2::OS2ShouldPreProcessMessage(
+  WXMSG*                            pMsg
+)
+{
+    // preprocess all messages by default
+    return TRUE;
+} // end of wxWindowOS2::OS2ShouldPreProcessMessage
+
 // ---------------------------------------------------------------------------
 // message params unpackers
 // ---------------------------------------------------------------------------
@@ -2248,7 +2277,7 @@ void wxWindowOS2::UnpackMenuSelect(
 } // end of wxWindowOS2::UnpackMenuSelect
 
 // ---------------------------------------------------------------------------
-// Main wxWindows window proc and the window proc for wxWindow
+// Main wxWidgets window proc and the window proc for wxWindow
 // ---------------------------------------------------------------------------
 
 //
@@ -2267,14 +2296,6 @@ MRESULT EXPENTRY wxWndProc(
 , MPARAM                            lParam
 )
 {
-    //
-    // Trace all ulMsgs - useful for the debugging
-    //
-#ifdef __WXDEBUG__
-    wxLogTrace(wxTraceMessages, wxT("Processing %s(wParam=%8lx, lParam=%8lx)"),
-               wxGetMessageName(ulMsg), wParam, lParam);
-#endif // __WXDEBUG__
-
     wxWindowOS2*                    pWnd = wxFindWinFromHandle((WXHWND)hWnd);
 
     //
@@ -2304,7 +2325,18 @@ MRESULT EXPENTRY wxWndProc(
     else
     {
         if (pWnd)
+        {
             rc = pWnd->OS2WindowProc(ulMsg, wParam, lParam);
+            if ( (pWnd->GetScrollBarHorz() != NULLHANDLE ||
+                  pWnd->GetScrollBarVert() != NULLHANDLE) &&
+                  ulMsg == WM_PAINT)
+            {
+                if (pWnd->GetScrollBarHorz() != NULLHANDLE)
+                    ::WinInvalidateRect(pWnd->GetScrollBarHorz(), NULL, TRUE);
+                if (pWnd->GetScrollBarVert() != NULLHANDLE)
+                    ::WinInvalidateRect(pWnd->GetScrollBarVert(), NULL, TRUE);
+            }
+        }
         else
             rc = ::WinDefWindowProc(hWnd, ulMsg, wParam, lParam);
     }
@@ -2370,6 +2402,44 @@ MRESULT wxWindowOS2::OS2WindowProc(
                                    );
             break;
 
+        case WM_WINDOWPOSCHANGED:
+
+            //
+            // Dialogs under OS/2 do not get WM_SIZE events at all.
+            // Instead they get this, which can function much like WM_SIZE
+            // PSWP contains the new sizes and positioning, PSWP+1 the old
+            // We use this because ADJUSTWINDOWPOS comes BEFORE the new
+            // position is added and our auto layout does a WinQueryWindowRect
+            // to get the CURRENT client size.  That is the size used to position
+            // child controls, so we need to already be sized
+            // in order to get the child controls positoned properly.
+            //
+            if (IsKindOf(CLASSINFO(wxDialog)) || IsKindOf(CLASSINFO(wxFrame)))
+            {
+                PSWP                pSwp = (PSWP)PVOIDFROMMP(wParam);
+                PSWP                pSwp2 = pSwp++;
+
+                if (!(pSwp->cx == pSwp2->cx &&
+                      pSwp->cy == pSwp2->cy))
+                    bProcessed = HandleSize( pSwp->cx
+                                            ,pSwp->cy
+                                            ,(WXUINT)lParam
+                                           );
+                if (IsKindOf(CLASSINFO(wxFrame)))
+                {
+                    wxFrame*            pFrame = wxDynamicCast(this, wxFrame);
+
+                    if (pFrame)
+                    {
+                        if (pFrame->GetStatusBar())
+                            pFrame->PositionStatusBar();
+                        if (pFrame->GetToolBar())
+                            pFrame->PositionToolBar();
+                    }
+                }
+            }
+            break;
+
         case WM_ACTIVATE:
             {
                 WXWORD              wState;
@@ -2433,12 +2503,43 @@ MRESULT wxWindowOS2::OS2WindowProc(
         case WM_BUTTON3MOTIONEND:
         case WM_BUTTON3MOTIONSTART:
             {
-                short x = LOWORD(lParam);
-                short y = HIWORD(lParam);
+                if (uMsg == WM_BUTTON1DOWN && AcceptsFocus())
+                    SetFocus();
+
+                short               nX = LOWORD(wParam);
+                short               nY = HIWORD(wParam);
 
-                bProcessed = HandleMouseEvent(uMsg, x, y, (WXUINT)wParam);
+                //
+                // Redirect the event to a static control if necessary
+                //
+                if (this == GetCapture())
+                {
+                    bProcessed = HandleMouseEvent( uMsg
+                                                  ,nX
+                                                  ,nY
+                                                  ,(WXUINT)SHORT2FROMMP(lParam)
+                                                 );
+                }
+                else
+                {
+                    wxWindow*       pWin = FindWindowForMouseEvent( this
+                                                                   ,&nX
+                                                                   ,&nY
+                                                                  );
+                    if (!pWin->IsOfStandardClass())
+                    {
+                        if (uMsg == WM_BUTTON1DOWN && pWin->AcceptsFocus() )
+                            pWin->SetFocus();
+                    }
+                    bProcessed = pWin->HandleMouseEvent( uMsg
+                                                        ,nX
+                                                        ,nY
+                                                        ,(WXUINT)SHORT2FROMMP(lParam)
+                                                       );
+                }
             }
             break;
+
         case WM_SYSCOMMAND:
             bProcessed = HandleSysCommand(wParam, lParam);
             break;
@@ -2468,8 +2569,9 @@ MRESULT wxWindowOS2::OS2WindowProc(
                 }
                 else
                 {
-                    bProcessed = OS2OnMeasureItem(nIdCtrl,
-                                                 (WXMEASUREITEMSTRUCT *)lParam);
+                    return MRFROMLONG(OS2OnMeasureItem( nIdCtrl
+                                                       ,(WXMEASUREITEMSTRUCT *)lParam
+                                                      ));
                 }
 
                 if ( bProcessed )
@@ -2478,10 +2580,13 @@ MRESULT wxWindowOS2::OS2WindowProc(
             break;
 
         case WM_QUERYDLGCODE:
-            if ( m_lDlgCode )
+            if (!IsOfStandardClass())
             {
-                mResult = (MRESULT)m_lDlgCode;
-                bProcessed = TRUE;
+                if ( m_lDlgCode )
+                {
+                    mResult = (MRESULT)m_lDlgCode;
+                    bProcessed = TRUE;
+                }
             }
             //
             //else: get the dlg code from the DefWindowProc()
@@ -2499,17 +2604,18 @@ MRESULT wxWindowOS2::OS2WindowProc(
                 if (uKeyFlags & KC_KEYUP)
                 {
                     //TODO: check if the cast to WXWORD isn't causing trouble
-                    bProcessed = HandleKeyUp((WXDWORD)wParam, lParam);
+                    bProcessed = HandleKeyUp(wParam, lParam);
                     break;
                 }
                 else // keydown event
                 {
+                    m_bLastKeydownProcessed = FALSE;
                     //
                     // If this has been processed by an event handler,
                     // return 0 now (we've handled it). DON't RETURN
                     // we still need to process further
                     //
-                    HandleKeyDown((WXDWORD)wParam, lParam);
+                    m_bLastKeydownProcessed = HandleKeyDown(wParam, lParam);
                     if (uKeyFlags & KC_VIRTUALKEY)
                     {
                         USHORT          uVk = SHORT2FROMMP((MPARAM)lParam);
@@ -2517,18 +2623,20 @@ MRESULT wxWindowOS2::OS2WindowProc(
                         //
                         // We consider these message "not interesting" to OnChar
                         //
-                        if (uVk == VK_SHIFT || uVk == VK_CTRL )
-                        {
-                            bProcessed = TRUE;
-                            break;
-                        }
                         switch(uVk)
                         {
-                            //
+                            case VK_SHIFT:
+                            case VK_CTRL:
+                            case VK_MENU:
+                            case VK_CAPSLOCK:
+                            case VK_NUMLOCK:
+                            case VK_SCRLLOCK:
+                                bProcessed = TRUE;
+                                break;
+
                             // Avoid duplicate messages to OnChar for these ASCII keys: they
                             // will be translated by TranslateMessage() and received in WM_CHAR
                             case VK_ESC:
-                            case VK_SPACE:
                             case VK_ENTER:
                             case VK_BACKSPACE:
                             case VK_TAB:
@@ -2538,19 +2646,28 @@ MRESULT wxWindowOS2::OS2WindowProc(
                                 bProcessed = FALSE;
                                 break;
 
-                            case VK_LEFT:
-                            case VK_RIGHT:
-                            case VK_DOWN:
-                            case VK_UP:
                             default:
-                                bProcessed = HandleChar((WXDWORD)wParam, lParam);
+                                bProcessed = HandleChar(wParam, lParam);
                          }
                          break;
                     }
                     else // WM_CHAR -- Always an ASCII character
                     {
-                        bProcessed = HandleChar((WXDWORD)wParam, lParam, TRUE);
-                        break;
+                        if (m_bLastKeydownProcessed)
+                        {
+                            //
+                            // The key was handled in the EVT_KEY_DOWN and handling
+                            // a key in an EVT_KEY_DOWN handler is meant, by
+                            // design, to prevent EVT_CHARs from happening
+                            //
+                            m_bLastKeydownProcessed = FALSE;
+                            bProcessed = TRUE;
+                        }
+                        else // do generate a CHAR event
+                        {
+                            bProcessed = HandleChar(wParam, lParam, TRUE);
+                            break;
+                        }
                     }
                 }
             }
@@ -2580,6 +2697,157 @@ MRESULT wxWindowOS2::OS2WindowProc(
         case WM_CONTROL:
             switch(SHORT2FROMMP(wParam))
             {
+                case BN_PAINT:
+                    {
+                        HWND                hWnd = ::WinWindowFromID((HWND)GetHwnd(), SHORT1FROMMP(wParam));
+                        wxWindowOS2*        pWin = wxFindWinFromHandle(hWnd);
+
+                        if (!pWin)
+                        {
+                            bProcessed = FALSE;
+                            break;
+                        }
+                        if (pWin->IsKindOf(CLASSINFO(wxBitmapButton)))
+                        {
+                            wxBitmapButton*     pBitmapButton = wxDynamicCast(pWin, wxBitmapButton);
+
+                            pBitmapButton->OS2OnDraw((WXDRAWITEMSTRUCT *)lParam);
+                        }
+                        return 0;
+                    }
+                    break;
+
+                case BKN_PAGESELECTEDPENDING:
+                    {
+                        PPAGESELECTNOTIFY  pPage = (PPAGESELECTNOTIFY)lParam;
+
+                        if ((pPage->ulPageIdNew != pPage->ulPageIdCur) &&
+                            (pPage->ulPageIdNew > 0L && pPage->ulPageIdCur > 0L))
+                        {
+                            wxWindowOS2*        pWin = wxFindWinFromHandle(pPage->hwndBook);
+                            wxNotebookEvent     vEvent( wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED
+                                                       ,(int)SHORT1FROMMP(wParam)
+                                                       ,(int)pPage->ulPageIdNew
+                                                       ,(int)pPage->ulPageIdCur
+                                                      );
+                            if (!pWin)
+                            {
+                                bProcessed = FALSE;
+                                break;
+                            }
+                            if (pWin->IsKindOf(CLASSINFO(wxNotebook)))
+                            {
+                                wxNotebook*         pNotebook = wxDynamicCast(pWin, wxNotebook);
+
+                                vEvent.SetEventObject(pWin);
+                                pNotebook->OnSelChange(vEvent);
+                                bProcessed = TRUE;
+                            }
+                            else
+                                bProcessed = FALSE;
+                        }
+                        else
+                            bProcessed = FALSE;
+                    }
+                    break;
+
+                case BN_CLICKED: // Dups as LN_SELECT and CBN_LBSELECT
+                    {
+                        HWND                hWnd = ::WinWindowFromID((HWND)GetHwnd(), SHORT1FROMMP(wParam));
+                        wxWindowOS2*        pWin = wxFindWinFromHandle(hWnd);
+
+                        if (!pWin)
+                        {
+                            bProcessed = FALSE;
+                            break;
+                        }
+                        //
+                        // Simulate a WM_COMMAND here, as wxWidgets expects all control
+                        // button clicks to generate WM_COMMAND msgs, not WM_CONTROL
+                        //
+                        if (pWin->IsKindOf(CLASSINFO(wxRadioBox)))
+                        {
+                            wxRadioBox*         pRadioBox = wxDynamicCast(pWin, wxRadioBox);
+
+                            pRadioBox->OS2Command( (WXUINT)SHORT2FROMMP(wParam)
+                                                  ,(WXUINT)SHORT1FROMMP(wParam)
+                                                 );
+                        }
+                        if (pWin->IsKindOf(CLASSINFO(wxRadioButton)))
+                        {
+                            wxRadioButton*      pRadioButton = wxDynamicCast(pWin, wxRadioButton);
+
+                            pRadioButton->OS2Command( (WXUINT)SHORT2FROMMP(wParam)
+                                                     ,(WXUINT)SHORT1FROMMP(wParam)
+                                                    );
+                        }
+                        if (pWin->IsKindOf(CLASSINFO(wxCheckBox)))
+                        {
+                            wxCheckBox*         pCheckBox = wxDynamicCast(pWin, wxCheckBox);
+
+                            pCheckBox->OS2Command( (WXUINT)SHORT2FROMMP(wParam)
+                                                  ,(WXUINT)SHORT1FROMMP(wParam)
+                                                 );
+                        }
+                        if (pWin->IsKindOf(CLASSINFO(wxListBox)))
+                        {
+                            wxListBox*          pListBox = wxDynamicCast(pWin, wxListBox);
+
+                            pListBox->OS2Command( (WXUINT)SHORT2FROMMP(wParam)
+                                                 ,(WXUINT)SHORT1FROMMP(wParam)
+                                                );
+                            if (pListBox->GetWindowStyle() & wxLB_OWNERDRAW)
+                                Refresh();
+                        }
+                        if (pWin->IsKindOf(CLASSINFO(wxComboBox)))
+                        {
+                            wxComboBox*          pComboBox = wxDynamicCast(pWin, wxComboBox);
+
+                            pComboBox->OS2Command( (WXUINT)SHORT2FROMMP(wParam)
+                                                  ,(WXUINT)SHORT1FROMMP(wParam)
+                                                 );
+                        }
+                        return 0;
+                    }
+                    break;
+
+                case LN_ENTER:   /* dups as CBN_EFCHANGE */
+                    {
+                        HWND                hWnd = HWNDFROMMP(lParam);
+                        wxWindowOS2*        pWin = wxFindWinFromHandle(hWnd);
+
+                        if (!pWin)
+                        {
+                            bProcessed = FALSE;
+                            break;
+                        }
+                        //
+                        // Simulate a WM_COMMAND here, as wxWidgets expects all control
+                        // button clicks to generate WM_COMMAND msgs, not WM_CONTROL
+                        //
+                        if (pWin->IsKindOf(CLASSINFO(wxListBox)))
+                        {
+                            wxListBox*          pListBox = wxDynamicCast(pWin, wxListBox);
+
+                            pListBox->OS2Command( (WXUINT)SHORT2FROMMP(wParam)
+                                                 ,(WXUINT)SHORT1FROMMP(wParam)
+                                                );
+                            if (pListBox->GetWindowStyle() & wxLB_OWNERDRAW)
+                                Refresh();
+
+                        }
+                        if (pWin->IsKindOf(CLASSINFO(wxComboBox)))
+                        {
+                            wxComboBox*          pComboBox = wxDynamicCast(pWin, wxComboBox);
+
+                            pComboBox->OS2Command( (WXUINT)SHORT2FROMMP(wParam)
+                                                  ,(WXUINT)SHORT1FROMMP(wParam)
+                                                 );
+                        }
+                        return 0;
+                    }
+                    break;
+
                 case SPBN_UPARROW:
                 case SPBN_DOWNARROW:
                 case SPBN_CHANGE:
@@ -2608,6 +2876,11 @@ MRESULT wxWindowOS2::OS2WindowProc(
                         HWND                hWnd = ::WinWindowFromID(GetHWND(), SHORT1FROMMP(wParam));
                         wxWindowOS2*        pChild = wxFindWinFromHandle(hWnd);
 
+                        if (!pChild)
+                        {
+                            bProcessed = FALSE;
+                            break;
+                        }
                         if (pChild->IsKindOf(CLASSINFO(wxSlider)))
                             bProcessed = OS2OnScroll( wxVERTICAL
                                                      ,(int)SHORT2FROMMP(wParam)
@@ -2655,7 +2928,7 @@ MRESULT wxWindowOS2::OS2WindowProc(
             if ( bProcessed )
             {
                 // we never set focus from here
-                mResult = FALSE;
+                mResult = (MRESULT)FALSE;
             }
             break;
 
@@ -2689,44 +2962,19 @@ MRESULT wxWindowOS2::OS2WindowProc(
     }
     if (!bProcessed)
     {
-#ifdef __WXDEBUG__
-        wxLogTrace(wxTraceMessages, wxT("Forwarding %s to DefWindowProc."),
-                   wxGetMessageName(uMsg));
-#endif // __WXDEBUG__
-        if (IsKindOf(CLASSINFO(wxFrame)))
-            mResult = ::WinDefWindowProc(m_hWnd, uMsg, wParam, lParam);
-        else
-            mResult = OS2DefWindowProc(uMsg, wParam, lParam);
-    }
-    return mResult;
-} // end of wxWindowOS2::OS2WindowProc
-
-//
-// Dialog window proc
-//
-MRESULT wxDlgProc(
-  HWND                              WXUNUSED(hWnd)
-, UINT                              uMsg
-, MPARAM                            WXUNUSED(wParam)
-, MPARAM                            WXUNUSED(lParam))
-{
-    if (uMsg == WM_INITDLG)
-    {
-        //
-        // For this message, returning TRUE tells system to set focus to the
-        // first control in the dialog box
-        //
-        return (MRESULT)TRUE;
-    }
-    else
-    {
-        //
-        // For all the other ones, FALSE means that we didn't process the
-        // message
-        //
-        return (MRESULT)0;
+#ifdef __WXDEBUG__
+        wxLogTrace(wxTraceMessages, wxT("Forwarding %s to DefWindowProc."),
+                   wxGetMessageName(uMsg));
+#endif // __WXDEBUG__
+        if (IsKindOf(CLASSINFO(wxFrame)))
+            mResult = ::WinDefWindowProc(m_hWnd, uMsg, wParam, lParam);
+        else if (IsKindOf(CLASSINFO(wxDialog)))
+            mResult = ::WinDefDlgProc( m_hWnd, uMsg, wParam, lParam);
+        else
+            mResult = OS2DefWindowProc(uMsg, wParam, lParam);
     }
-} // end of wxDlgProc
+    return mResult;
+} // end of wxWindowOS2::OS2WindowProc
 
 wxWindow* wxFindWinFromHandle(
   WXHWND                            hWnd
@@ -2736,7 +2984,7 @@ wxWindow* wxFindWinFromHandle(
 
     if (!pNode)
         return NULL;
-    return (wxWindow *)pNode->Data();
+    return (wxWindow *)pNode->GetData();
 } // end of wxFindWinFromHandle
 
 void wxAssociateWinWithHandle(
@@ -2785,40 +3033,6 @@ void wxWindowOS2::OS2DestroyWindow()
 {
 }
 
-void wxWindowOS2::OS2DetachWindowMenu()
-{
-#ifndef __WXUNIVERSAL__
-    if (m_hMenu)
-    {
-        HMENU                       hMenu = (HMENU)m_hMenu;
-
-        int                         nN = (int)::WinSendMsg(hMenu, MM_QUERYITEMCOUNT, 0, 0);
-        int                         i;
-
-        for (i = 0; i < nN; i++)
-        {
-            wxChar                   zBuf[100];
-            int                      nChars = (int)::WinSendMsg( hMenu
-                                                                ,MM_QUERYITEMTEXT
-                                                                ,MPFROM2SHORT(i, nN)
-                                                                ,zBuf
-                                                               );
-            if (!nChars)
-            {
-                wxLogLastError(wxT("GetMenuString"));
-                continue;
-            }
-
-            if (wxStrcmp(zBuf, wxT("&Window")) == 0)
-            {
-                ::WinSendMsg(hMenu, MM_DELETEITEM, MPFROM2SHORT(i, TRUE), 0);
-                break;
-            }
-        }
-    }
-#endif // __WXUNIVERSAL__
-} // end of wxWindowOS2::OS2DetachWindowMenu
-
 bool wxWindowOS2::OS2GetCreateWindowCoords(
   const wxPoint&                    rPos
 , const wxSize&                     rSize
@@ -2829,179 +3043,128 @@ bool wxWindowOS2::OS2GetCreateWindowCoords(
 ) const
 {
     bool                            bNonDefault = FALSE;
+    static const int                DEFAULT_Y = 200;
+    static const int                DEFAULT_H = 250;
 
     if (rPos.x == -1)
     {
-        //
-        // If set x to CW_USEDEFAULT, y parameter is ignored anyhow so we can
-        // just as well set it to CW_USEDEFAULT as well
         rnX = rnY = CW_USEDEFAULT;
     }
     else
     {
         rnX = rPos.x;
-        rnY = rPos.y == -1 ? CW_USEDEFAULT : rPos.y;
+        rnY = rPos.y == -1 ? DEFAULT_Y : rPos.y;
         bNonDefault = TRUE;
     }
     if (rSize.x == -1)
     {
-        //
-        // As abobe, h is not used at all in this case anyhow
-        //
         rnWidth = rnHeight = CW_USEDEFAULT;
     }
     else
     {
         rnWidth  = rSize.x;
-        rnHeight = rSize.y == -1 ? CW_USEDEFAULT : rSize.y;
+        rnHeight = rSize.y == -1 ? DEFAULT_H : rSize.y;
         bNonDefault = TRUE;
     }
     return bNonDefault;
 } // end of wxWindowOS2::OS2GetCreateWindowCoords
 
+WXHWND wxWindowOS2::OS2GetParent() const
+{
+    return m_parent ? m_parent->GetHWND() : NULL;
+}
+
 bool wxWindowOS2::OS2Create(
-  WXHWND                            hParent
-, PSZ                               zClass
-, const wxChar*                     zTitle
+  PSZ                               zClass
+, const char*                       zTitle
 , WXDWORD                           dwStyle
-, long                              lX
-, long                              lY
-, long                              lWidth
-, long                              lHeight
-, WXHWND                            hOwner
-, WXHWND                            WXUNUSED(hZOrder)
-, unsigned long                     ulId
+, const wxPoint&                    rPos
+, const wxSize&                     rSize
 , void*                             pCtlData
-, void*                             pPresParams
 , WXDWORD                           dwExStyle
+, bool                              bIsChild
 )
 {
     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
-    // panel size the size of the parent window
-    //
-    lX1 = lX;
-    lY1 = lY;
-    if (lWidth > -1L)
-        lWidth1 = lWidth;
-    if (lHeight > -1L)
-        lHeight1 = lHeight;
-
-    wxWndHook = this;
+    int                             nX      = 0L;
+    int                             nY      = 0L;
+    int                             nWidth  = 0L;
+    int                             nHeight = 0L;
+    long                            lControlId = 0L;
+    wxWindowCreationHook            vHook(this);
+    wxString                        sClassName((wxChar*)zClass);
+
+    OS2GetCreateWindowCoords( rPos
+                             ,rSize
+                             ,nX
+                             ,nY
+                             ,nWidth
+                             ,nHeight
+                            );
 
-    //
-    // 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
-       )
-    {
-            nControlId = ulId;
-    }
-    else
+    if (bIsChild)
     {
-        // no standard controls
-        if(wxString (wxT("wxFrameClass")) == wxString(zClass) )
+        lControlId = GetId();
+        if (GetWindowStyleFlag() & wxCLIP_SIBLINGS)
         {
-            pszClass =  WC_FRAME;
-            nNeedsubclass = 1;
-        }
-        else
-        {
-            nControlId = ulId;
-            if(nControlId < 0)
-                nControlId = FID_CLIENT;
+            dwStyle |= WS_CLIPSIBLINGS;
         }
     }
-
-   HWND parent;
-   if ( GetWindowStyleFlag() & wxPOPUP_WINDOW )
-   {
-       // popup windows should have desktop as parent because they shouldn't
-       // be limited to the parents client area as child windows usually are
-       parent = HWND_DESKTOP;
-   }
-   else if ( hParent )
-   {
-       parent = hParent;
-   }
-   else
-   {
-       // top level window
-       parent = NULL;
-   }
-
     //
-    // We will either have a registered class via string name or a standard PM Class via a long
+    // For each class "Foo" we have we also have "FooNR" ("no repaint") class
+    // which is the same but without CS_[HV]REDRAW class styles so using it
+    // ensures that the window is not fully repainted on each resize
     //
-    m_hWnd = (WXHWND)::WinCreateWindow(parent, zClass,
-                                       (PSZ)zTitle ? zTitle : wxT(""),
-                                       dwStyle, lX1, lY1, lWidth, lHeight,
-                                       hOwner, HWND_TOP, (ULONG)nControlId,
-                                       pCtlData, pPresParams);
-
+    if (!HasFlag(wxFULL_REPAINT_ON_RESIZE))
+    {
+        sClassName += wxT("NR");
+    }
+    m_hWnd = (WXHWND)::WinCreateWindow( (HWND)OS2GetParent()
+                                       ,(PSZ)sClassName.c_str()
+                                       ,(PSZ)zTitle ? zTitle : ""
+                                       ,(ULONG)dwStyle
+                                       ,(LONG)0L
+                                       ,(LONG)0L
+                                       ,(LONG)0L
+                                       ,(LONG)0L
+                                       ,NULLHANDLE
+                                       ,HWND_TOP
+                                       ,(ULONG)lControlId
+                                       ,pCtlData
+                                       ,NULL
+                                      );
     if (!m_hWnd)
     {
-        vError = ::WinGetLastError(vHabmain);
+        vError = ::WinGetLastError(wxGetInstance());
         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__
-    wxNode*                         pNode = wxWinHandleList->Member(this);
+    SubclassWin(m_hWnd);
+    SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
 
-    if (pNode)
-    {
-        HWND                        hWnd = (HWND)pNode->GetKeyInteger();
+    m_backgroundColour.Set(wxString("GREY"));
 
-        if (hWnd != (HWND)m_hWnd)
+    LONG                            lColor = (LONG)m_backgroundColour.GetPixel();
 
-        {
-            wxLogError("A second HWND association is being added for the same window!");
-        }
-    }
-#endif
-    wxAssociateWinWithHandle((HWND)m_hWnd
-                             ,this
-                            );
-    //
-    // Now need to subclass window.
-    //
-    if(!nNeedsubclass)
+    if (!::WinSetPresParam( m_hWnd
+                           ,PP_BACKGROUNDCOLOR
+                           ,sizeof(LONG)
+                           ,(PVOID)&lColor
+                          ))
     {
-         wxAssociateWinWithHandle((HWND)m_hWnd,this);
-    }
-    else
-    {
-        SubclassWin(GetHWND());
+        vError = ::WinGetLastError(vHabmain);
+        sError = wxPMErrorToStr(vError);
+        wxLogError("Error creating frame. Error: %s\n", sError.c_str());
+        return FALSE;
     }
+    SetSize( nX
+            ,nY
+            ,nWidth
+            ,nHeight
+           );
     return TRUE;
-} // end of wxWindowOS2::OS2Create
+} // end of WinGuiBase_Window::OS2Create
 
 // ===========================================================================
 // OS2 PM message handlers
@@ -3026,7 +3189,7 @@ bool wxWindowOS2::HandleCreate(
 bool wxWindowOS2::HandleDestroy()
 {
     wxWindowDestroyEvent            vEvent((wxWindow*)this);
-
+    vEvent.SetId(GetId());
     (void)GetEventHandler()->ProcessEvent(vEvent);
 
     //
@@ -3035,7 +3198,6 @@ bool wxWindowOS2::HandleDestroy()
 #if wxUSE_DRAG_AND_DROP
     if (m_dropTarget != NULL)
     {
-        m_dropTarget->Revoke(m_hWnd);
         delete m_dropTarget;
         m_dropTarget = NULL;
     }
@@ -3074,6 +3236,13 @@ bool wxWindowOS2::HandleSetFocus(
   WXHWND                            WXUNUSED(hWnd)
 )
 {
+    //
+    // Notify the parent keeping track of focus for the kbd navigation
+    // purposes that we got it
+    //
+    wxChildFocusEvent               vEventFocus((wxWindow *)this);
+    (void)GetEventHandler()->ProcessEvent(vEventFocus);
+
 #if wxUSE_CARET
     //
     // Deal with caret
@@ -3100,7 +3269,7 @@ bool wxWindowOS2::HandleSetFocus(
 } // end of wxWindowOS2::HandleSetFocus
 
 bool wxWindowOS2::HandleKillFocus(
-  WXHWND                            WXUNUSED(hWnd)
+  WXHWND                            hWnd
 )
 {
 #if wxUSE_CARET
@@ -3113,11 +3282,38 @@ bool wxWindowOS2::HandleKillFocus(
     }
 #endif // wxUSE_CARET
 
+#if wxUSE_TEXTCTRL
+    //
+    // If it's a wxTextCtrl don't send the event as it will be done
+    // after the control gets to process it.
+    //
+    wxTextCtrl*                     pCtrl = wxDynamicCastThis(wxTextCtrl);
+
+    if (pCtrl)
+    {
+        return FALSE;
+    }
+#endif
+
+    //
+    // Don't send the event when in the process of being deleted.  This can
+    // only cause problems if the event handler tries to access the object.
+    //
+    if ( m_isBeingDeleted )
+    {
+        return FALSE;
+    }
+
     wxFocusEvent                    vEvent( wxEVT_KILL_FOCUS
                                            ,m_windowId
                                           );
 
     vEvent.SetEventObject(this);
+
+    //
+    // wxFindWinFromHandle() may return NULL, it is ok
+    //
+    vEvent.SetWindow(wxFindWinFromHandle(hWnd));
     return GetEventHandler()->ProcessEvent(vEvent);
 } // end of wxWindowOS2::HandleKillFocus
 
@@ -3198,7 +3394,7 @@ bool wxWindowOS2::OS2OnDrawItem(
                   );
         vDc.SetHPS(pMeasureStruct->hps);
         //
-        // Load the wxWindows Pallete and set to RGB mode
+        // Load the wxWidgets Pallete and set to RGB mode
         //
         if (!::GpiCreateLogColorTable( pMeasureStruct->hps
                                       ,0L
@@ -3210,7 +3406,7 @@ bool wxWindowOS2::OS2OnDrawItem(
         {
             vError = ::WinGetLastError(vHabmain);
             sError = wxPMErrorToStr(vError);
-            wxLogError("Unable to set current color table. Error: %s\n", sError);
+            wxLogError("Unable to set current color table. Error: %s\n", sError.c_str());
         }
         //
         // Set the color table to RGB mode
@@ -3225,7 +3421,7 @@ bool wxWindowOS2::OS2OnDrawItem(
         {
             vError = ::WinGetLastError(vHabmain);
             sError = wxPMErrorToStr(vError);
-            wxLogError("Unable to set current color table. Error: %s\n", sError);
+            wxLogError("Unable to set current color table. Error: %s\n", sError.c_str());
         }
 
         wxCHECK( pMenuItem->IsKindOf(CLASSINFO(wxMenuItem)), FALSE );
@@ -3326,7 +3522,7 @@ bool wxWindowOS2::OS2OnDrawItem(
     return FALSE;
 } // end of wxWindowOS2::OS2OnDrawItem
 
-bool wxWindowOS2::OS2OnMeasureItem(
+long wxWindowOS2::OS2OnMeasureItem(
   int                               lId
 , WXMEASUREITEMSTRUCT*              pItemStruct
 )
@@ -3352,20 +3548,26 @@ bool wxWindowOS2::OS2OnMeasureItem(
                                          ,&nHeight
                                         ))
             {
+                MRESULT             mRc;
+
                 pMeasureStruct->rclItem.xRight  = nWidth;
                 pMeasureStruct->rclItem.xLeft   = 0L;
                 pMeasureStruct->rclItem.yTop    = nHeight;
                 pMeasureStruct->rclItem.yBottom = 0L;
-                return TRUE;
+                mRc = MRFROM2SHORT(nHeight, nWidth);
+                return LONGFROMMR(mRc);
             }
-            return FALSE;
+            return 0L;
         }
     }
     wxWindow*                      pItem = FindItem(lId);
 
     if (pItem && pItem->IsKindOf(CLASSINFO(wxControl)))
     {
-        return ((wxControl *)pItem)->OS2OnMeasure(pItemStruct);
+        OWNERITEM                   vItem;
+
+        vItem.idItem = (LONG)pItemStruct;
+        return ((wxControl *)pItem)->OS2OnMeasure((WXMEASUREITEMSTRUCT*)&vItem);
     }
 #else
     lId = lId;
@@ -3428,14 +3630,14 @@ void wxWindowOS2::OnSysColourChanged(
   wxSysColourChangedEvent&          rEvent
 )
 {
-    wxNode*                         pNode = GetChildren().First();
+    wxWindowListNode*               pNode = GetChildren().GetFirst();
 
     while (pNode)
     {
         //
         // Only propagate to non-top-level windows
         //
-        wxWindow*                   pWin = (wxWindow *)pNode->Data();
+        wxWindow*                   pWin = (wxWindow *)pNode->GetData();
 
         if (pWin->GetParent())
         {
@@ -3444,7 +3646,7 @@ void wxWindowOS2::OnSysColourChanged(
             rEvent.m_eventObject = pWin;
             pWin->GetEventHandler()->ProcessEvent(vEvent);
         }
-        pNode = pNode->Next();
+        pNode = pNode->GetNext();
     }
 } // end of wxWindowOS2::OnSysColourChanged
 
@@ -3452,12 +3654,26 @@ void wxWindowOS2::OnSysColourChanged(
 // painting
 // ---------------------------------------------------------------------------
 
+void wxWindow::OnPaint (
+  wxPaintEvent&                     rEvent
+)
+{
+    HDC                             hDC = (HDC)wxPaintDC::FindDCInCache((wxWindow*) rEvent.GetEventObject());
+
+    if (hDC != 0)
+    {
+        OS2DefWindowProc( (WXUINT)WM_PAINT
+                         ,(WXWPARAM)hDC
+                         ,(WXLPARAM)0
+                        );
+    }
+} // end of wxWindow::OnPaint
+
 bool wxWindowOS2::HandlePaint()
 {
     HRGN                            hRgn;
     wxPaintEvent                    vEvent(m_windowId);
     HPS                             hPS;
-    RECTL                           vRect;
     bool                            bProcessed;
 
     // Create empty region
@@ -3476,7 +3692,107 @@ bool wxWindowOS2::HandlePaint()
     vEvent.SetEventObject(this);
     bProcessed = GetEventHandler()->ProcessEvent(vEvent);
 
-    return GetEventHandler()->ProcessEvent(vEvent); //bProcessed;
+    if (!bProcessed &&
+         IsKindOf(CLASSINFO(wxPanel)) &&
+         GetChildren().GetCount() == 0
+       )
+    {
+        //
+        // OS/2 needs to process this right here, not by the default proc
+        // Window's default proc correctly paints everything, OS/2 does not.
+        // For decorative panels that typically have no children, we draw
+        // borders.
+        //
+        HPS                         hPS;
+        RECTL                       vRect;
+
+        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
+                                    );
+            if (::WinIsWindowVisible(GetHWND()))
+                ::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);
+        bProcessed = TRUE;
+    }
+    else if (!bProcessed &&
+             IsKindOf(CLASSINFO(wxPanel))
+            )
+    {
+        //
+        // Panel with children, usually fills a frame client so no borders.
+        //
+        HPS                         hPS;
+        RECTL                       vRect;
+
+        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
+                                    );
+
+            if (::WinIsWindowVisible(GetHWND()))
+                ::WinFillRect(hPS, &vRect,  GetBackgroundColour().GetPixel());
+        }
+        ::WinEndPaint(hPS);
+        bProcessed = TRUE;
+    }
+    return bProcessed;
 } // end of wxWindowOS2::HandlePaint
 
 bool wxWindowOS2::HandleEraseBkgnd(
@@ -3567,7 +3883,6 @@ bool wxWindowOS2::HandleGetMinMaxInfo(
   PSWP                              pSwp
 )
 {
-    bool                            bRc = FALSE;
     POINTL                          vPoint;
 
     switch(pSwp->fl)
@@ -3652,15 +3967,23 @@ void wxWindowOS2::InitMouseEvent(
 , WXUINT                            uFlags
 )
 {
+    int                                 nHeight;
+    DoGetSize(0, &nHeight);
     rEvent.m_x           = nX;
-    rEvent.m_y           = nY;
-    rEvent.m_shiftDown   = ((uFlags & VK_SHIFT) != 0);
-    rEvent.m_controlDown = ((uFlags & VK_CTRL) != 0);
-    rEvent.m_leftDown    = ((uFlags & VK_BUTTON1) != 0);
-    rEvent.m_middleDown  = ((uFlags & VK_BUTTON3) != 0);
-    rEvent.m_rightDown   = ((uFlags & VK_BUTTON2) != 0);
+    // Convert to wxWidgets standard coordinate system!
+    rEvent.m_y           = nHeight - nY;
+    rEvent.m_shiftDown   = ((uFlags & KC_SHIFT) != 0);
+    rEvent.m_controlDown = ((uFlags & KC_CTRL) != 0);
+    rEvent.m_altDown     = ((uFlags & KC_ALT) != 0);
+    rEvent.m_leftDown    = (::WinGetKeyState(HWND_DESKTOP, VK_BUTTON1) &
+                           0x8000) != 0;
+    rEvent.m_middleDown  = (::WinGetKeyState(HWND_DESKTOP, VK_BUTTON3) &
+                           0x8000) != 0;
+    rEvent.m_rightDown   = (::WinGetKeyState(HWND_DESKTOP, VK_BUTTON2) &
+                           0x8000) != 0;
     rEvent.SetTimestamp(s_currentMsg.time);
     rEvent.m_eventObject = this;
+    rEvent.SetId(GetId());
 
 #if wxUSE_MOUSEEVENT_HACK
     m_lastMouseX = nX;
@@ -3676,6 +3999,8 @@ bool wxWindowOS2::HandleMouseEvent(
 , WXUINT                            uFlags
 )
 {
+    bool                            bProcessed = FALSE;
+
     //
     // The mouse events take consecutive IDs from WM_MOUSEFIRST to
     // WM_MOUSELAST, so it's enough to substract WM_MOUSEMOVE == WM_MOUSEFIRST
@@ -3704,6 +4029,17 @@ bool wxWindowOS2::HandleMouseEvent(
                    ,uFlags
                   );
 
+    bProcessed = GetEventHandler()->ProcessEvent(vEvent);
+    if (!bProcessed)
+    {
+        HPOINTER                    hCursor = (HPOINTER)GetCursor().GetHCURSOR();
+
+        if (hCursor != NULLHANDLE)
+        {
+            ::WinSetPointer(HWND_DESKTOP, hCursor);
+            bProcessed = TRUE;
+        }
+    }
     return GetEventHandler()->ProcessEvent(vEvent);
 } // end of wxWindowOS2::HandleMouseEvent
 
@@ -3749,6 +4085,7 @@ wxKeyEvent wxWindowOS2::CreateKeyEvent(
   wxEventType                       eType
 , int                               nId
 , WXLPARAM                          lParam
+, WXWPARAM                          wParam
 ) const
 {
     wxKeyEvent                      vEvent(eType);
@@ -3760,6 +4097,8 @@ wxKeyEvent wxWindowOS2::CreateKeyEvent(
 
     vEvent.m_eventObject = (wxWindow *)this; // const_cast
     vEvent.m_keyCode     = nId;
+    vEvent.m_rawCode = (wxUint32)wParam;
+    vEvent.m_rawFlags = (wxUint32)lParam;
     vEvent.SetTimestamp(s_currentMsg.time);
 
     //
@@ -3787,7 +4126,7 @@ wxKeyEvent wxWindowOS2::CreateKeyEvent(
 // WM_KEYDOWN one
 //
 bool wxWindowOS2::HandleChar(
-  WXDWORD                           wParam
+  WXWPARAM                          wParam
 , WXLPARAM                          lParam
 , bool                              isASCII
 )
@@ -3795,12 +4134,24 @@ bool wxWindowOS2::HandleChar(
     bool                            bCtrlDown = FALSE;
     int                             vId;
 
+    if (m_bLastKeydownProcessed)
+    {
+        //
+        // The key was handled in the EVT_KEY_DOWN.  Handling a key in an
+        // EVT_KEY_DOWN handler is meant, by design, to prevent EVT_CHARs
+        // from happening, so just bail out at this point.
+        //
+        m_bLastKeydownProcessed = FALSE;
+        return TRUE;
+    }
     if (isASCII)
     {
         //
-        // If 1 -> 26, translate to CTRL plus a letter.
+        // If 1 -> 26, translate to either special keycode or just set
+        // ctrlDown.  IOW, Ctrl-C should result in keycode == 3 and
+        // ControlDown() == TRUE.
         //
-        vId = wParam;
+        vId = SHORT1FROMMP(lParam);
         if ((vId > 0) && (vId < 27))
         {
             switch (vId)
@@ -3819,57 +4170,50 @@ bool wxWindowOS2::HandleChar(
 
                 default:
                     bCtrlDown = TRUE;
-                    vId = vId + 96;
+                    break;
             }
         }
     }
-    else if ( (vId = wxCharCodeOS2ToWX(wParam)) == 0)
+    else  // we're called from WM_KEYDOWN
     {
-        //
-        // It's ASCII and will be processed here only when called from
-        // WM_CHAR (i.e. when isASCII = TRUE), don't process it now
-        //
-        vId = -1;
+        vId = wxCharCodeOS2ToWX((int)SHORT2FROMMP(lParam));
+        if (vId == 0)
+            return FALSE;
     }
 
-    if (vId != -1)
-    {
-        wxKeyEvent                  vEvent(CreateKeyEvent( wxEVT_CHAR
+    wxKeyEvent                      vEvent(CreateKeyEvent( wxEVT_CHAR
                                                           ,vId
                                                           ,lParam
                                                          ));
 
-        if (bCtrlDown)
-        {
-            vEvent.m_controlDown = TRUE;
-        }
-
-        if (GetEventHandler()->ProcessEvent(vEvent))
-            return TRUE;
+    if (bCtrlDown)
+    {
+        vEvent.m_controlDown = TRUE;
     }
-    return FALSE;
+    return (GetEventHandler()->ProcessEvent(vEvent));
 }
 
 bool wxWindowOS2::HandleKeyDown(
-  WXWORD                            wParam
+  WXWPARAM                          wParam
 , WXLPARAM                          lParam
 )
 {
-    int                             nId = wxCharCodeOS2ToWX(wParam);
+    int                             nId = wxCharCodeOS2ToWX((int)SHORT2FROMMP(lParam));
 
     if (!nId)
     {
         //
         // Normal ASCII char
         //
-        nId = wParam;
+        nId = SHORT1FROMMP(lParam);
     }
 
     if (nId != -1)
     {
         wxKeyEvent                  vEvent(CreateKeyEvent( wxEVT_KEY_DOWN
                                                           ,nId
-                                                          ,lParam
+                                                          ,(MPARAM)lParam
+                                                          ,(MPARAM)wParam
                                                          ));
 
         if (GetEventHandler()->ProcessEvent(vEvent))
@@ -3881,18 +4225,18 @@ bool wxWindowOS2::HandleKeyDown(
 } // end of wxWindowOS2::HandleKeyDown
 
 bool wxWindowOS2::HandleKeyUp(
-  WXDWORD                           wParam
+  WXWPARAM                          wParam
 , WXLPARAM                          lParam
 )
 {
-    int                             nId = wxCharCodeOS2ToWX(wParam);
+    int                             nId = wxCharCodeOS2ToWX((int)SHORT2FROMMP(lParam));
 
     if (!nId)
     {
         //
         // Normal ASCII char
         //
-        nId = wParam;
+        nId = (int)wParam;
     }
 
     if (nId != -1)
@@ -3900,6 +4244,7 @@ bool wxWindowOS2::HandleKeyUp(
         wxKeyEvent                  vEvent(CreateKeyEvent( wxEVT_KEY_UP
                                                           ,nId
                                                           ,lParam
+                                                          ,wParam
                                                          ));
 
         if (GetEventHandler()->ProcessEvent(vEvent))
@@ -3977,69 +4322,81 @@ void wxWindowOS2::MoveChildren(
   int                               nDiff
 )
 {
-    SWP                                 vSwp;
-
-    for (wxWindowList::Node* pNode = GetChildren().GetFirst();
-         pNode;
-         pNode = pNode->GetNext())
+    //
+    // We want to handle top levels ourself, manually
+    //
+    if (!IsTopLevel() && GetAutoLayout())
+    {
+        Layout();
+    }
+    else
     {
-        wxWindow*                   pWin = pNode->GetData();
+        SWP                         vSwp;
 
-        ::WinQueryWindowPos( GetHwndOf(pWin)
-                            ,&vSwp
-                           );
-        if (pWin->IsKindOf(CLASSINFO(wxControl)))
+        for (wxWindowList::Node* pNode = GetChildren().GetFirst();
+             pNode;
+             pNode = pNode->GetNext())
         {
-            wxControl*          pCtrl;
+            wxWindow*               pWin = pNode->GetData();
 
-            //
-            // Must deal with controls that have margins like ENTRYFIELD.  The SWP
-            // struct of such a control will have and origin offset from its intended
-            // position by the width of the margins.
-            //
-            pCtrl = wxDynamicCast(pWin, wxControl);
-            vSwp.y -= pCtrl->GetYComp();
-            vSwp.x -= pCtrl->GetXComp();
-        }
-        ::WinSetWindowPos( GetHwndOf(pWin)
-                          ,HWND_TOP
-                          ,vSwp.x
-                          ,vSwp.y - nDiff
-                          ,vSwp.cx
-                          ,vSwp.cy
-                          ,SWP_MOVE
-                         );
-        if (pWin->IsKindOf(CLASSINFO(wxRadioBox)))
-        {
-            wxRadioBox*     pRadioBox;
-
-            pRadioBox = wxDynamicCast(pWin, wxRadioBox);
-            pRadioBox->AdjustButtons( (int)vSwp.x
-                                     ,(int)vSwp.y - nDiff
-                                     ,(int)vSwp.cx
-                                     ,(int)vSwp.cy
-                                     ,pRadioBox->GetSizeFlags()
-                                    );
-        }
-        if (pWin->IsKindOf(CLASSINFO(wxSlider)))
-        {
-            wxSlider*           pSlider;
-
-            pSlider = wxDynamicCast(pWin, wxSlider);
-            pSlider->AdjustSubControls( (int)vSwp.x
-                                       ,(int)vSwp.y - nDiff
-                                       ,(int)vSwp.cx
-                                       ,(int)vSwp.cy
-                                       ,(int)pSlider->GetSizeFlags()
-                                      );
+            ::WinQueryWindowPos( GetHwndOf(pWin)
+                                ,&vSwp
+                               );
+            if (pWin->IsKindOf(CLASSINFO(wxControl)))
+            {
+                wxControl*          pCtrl;
+
+                //
+                // Must deal with controls that have margins like ENTRYFIELD.  The SWP
+                // struct of such a control will have and origin offset from its intended
+                // position by the width of the margins.
+                //
+                pCtrl = wxDynamicCast(pWin, wxControl);
+                vSwp.y -= pCtrl->GetYComp();
+                vSwp.x -= pCtrl->GetXComp();
+            }
+            ::WinSetWindowPos( GetHwndOf(pWin)
+                              ,HWND_TOP
+                              ,vSwp.x
+                              ,vSwp.y - nDiff
+                              ,vSwp.cx
+                              ,vSwp.cy
+                              ,SWP_MOVE | SWP_SHOW | SWP_ZORDER
+                             );
+            ::WinQueryWindowPos(GetHwndOf(pWin), pWin->GetSwp());
+            if (pWin->IsKindOf(CLASSINFO(wxRadioBox)))
+            {
+                wxRadioBox*     pRadioBox;
+
+                pRadioBox = wxDynamicCast(pWin, wxRadioBox);
+                pRadioBox->AdjustButtons( (int)vSwp.x
+                                         ,(int)vSwp.y - nDiff
+                                         ,(int)vSwp.cx
+                                         ,(int)vSwp.cy
+                                         ,pRadioBox->GetSizeFlags()
+                                        );
+            }
+            if (pWin->IsKindOf(CLASSINFO(wxSlider)))
+            {
+                wxSlider*           pSlider;
+
+                pSlider = wxDynamicCast(pWin, wxSlider);
+                pSlider->AdjustSubControls( (int)vSwp.x
+                                           ,(int)vSwp.y - nDiff
+                                           ,(int)vSwp.cx
+                                           ,(int)vSwp.cy
+                                           ,(int)pSlider->GetSizeFlags()
+                                          );
+            }
         }
     }
+    Refresh();
 } // end of wxWindowOS2::MoveChildren
 
 //
 //  Getting the Y position for a window, like a control, is a real
 //  pain.  There are three sitatuions we must deal with in determining
-//  the OS2 to wxWindows Y coordinate.
+//  the OS2 to wxWidgets Y coordinate.
 //
 //  1)  The controls are created in a dialog.
 //      This is the easiest since a dialog is created with its original
@@ -4053,6 +4410,8 @@ void wxWindowOS2::MoveChildren(
 //
 //  3)  The controls are children of a panel, which in turn is a child of
 //      a frame.
+//      The panel may be one of many, in which case the same treatment
+//      as 1 applies. It may be the only child, though.
 //      This is the nastiest case.  A panel is created as the only child of
 //      the frame and as such, when a frame has only one child, the child is
 //      expanded to fit the entire client area of the frame.  Because the
@@ -4069,13 +4428,11 @@ int wxWindowOS2::GetOS2ParentHeight(
   wxWindowOS2*               pParent
 )
 {
-    wxWindowOS2*             pGrandParent = NULL;
-
     //
     // Case 1
     //
     if (pParent->IsKindOf(CLASSINFO(wxDialog)))
-        return(pParent->GetSize().y);
+        return(pParent->GetClientSize().y);
 
     //
     // Case 2 -- if we are one of the separately built standard Frame
@@ -4089,46 +4446,39 @@ int wxWindowOS2::GetOS2ParentHeight(
             IsKindOf(CLASSINFO(wxMenuBar))   ||
             IsKindOf(CLASSINFO(wxToolBar))
            )
-            return(pParent->GetSize().y);
+        {
+            if (IsKindOf(CLASSINFO(wxToolBar)))
+            {
+                wxFrame*            pFrame = wxDynamicCast(GetParent(), wxFrame);
+
+                if (pFrame->GetToolBar() == this)
+                    return(pParent->GetSize().y);
+                else
+                    return(pParent->GetClientSize().y);
+            }
+            else
+                return(pParent->GetSize().y);
+        }
         else
             return(pParent->GetClientSize().y);
     }
-
     //
-    // Case -- this is for any window that is the sole child of a Frame.
-    //           The grandparent must exist and it must be of type CFrame
-    //           and it's height must be different. Otherwise the standard
-    //           applies.
+    // Case -- this is for any window that is the sole child of a Frame.
+    //         The grandparent must exist and it must be of type CFrame
+    //         and it's height must be different. Otherwise the standard
+    //         applies.
     //
     else
     {
-        pGrandParent = pParent->GetParent();
-        if (pGrandParent &&
-            pGrandParent->IsKindOf(CLASSINFO(wxFrame)) &&
-            pGrandParent->GetClientSize().y != pParent->GetSize().y
-           )
-        {
-            int                     nParentHeight = 0L;
-            int                     nStatusBarHeight = 0L;
-            wxFrame*                pFrame = wxDynamicCast(pGrandParent, wxFrame);
-            wxStatusBar*            pStatbar = pFrame->GetStatusBar();
-
-            nParentHeight = pGrandParent->GetClientSize().y;
-            if (pStatbar)
-                nStatusBarHeight = pStatbar->GetSize().y;
-            nParentHeight -= nStatusBarHeight;
-            return(nParentHeight);
-        }
-        else
-            //
-            // Panel is a child of some other kind of window so we'll
-            // just use it's original size
-            //
-            return(pParent->GetClientSize().y);
+        return(pParent->GetClientSize().y);
     }
     return(0L);
 } // end of wxWindowOS2::GetOS2ParentHeight
 
+//
+// OS/2 needs a lot extra manipulation to deal with layouts
+// for canvas windows, particularly scrolled ones.
+//
 wxWindowCreationHook::wxWindowCreationHook(
   wxWindow*                         pWinBeingCreated
 )
@@ -4206,6 +4556,7 @@ int wxCharCodeOS2ToWX(
         case VK_PRINTSCRN:  nId = WXK_PRINT; break;
         case VK_INSERT:     nId = WXK_INSERT; break;
         case VK_DELETE:     nId = WXK_DELETE; break;
+        case VK_CAPSLOCK:   nId = WXK_CAPITAL; break;
         case VK_F1:         nId = WXK_F1; break;
         case VK_F2:         nId = WXK_F2; break;
         case VK_F3:         nId = WXK_F3; break;
@@ -4230,6 +4581,17 @@ int wxCharCodeOS2ToWX(
         case VK_F22:        nId = WXK_F22; break;
         case VK_F23:        nId = WXK_F23; break;
         case VK_F24:        nId = WXK_F24; break;
+        case VK_OEM_1:      nId = ';'; break;
+        case VK_OEM_PLUS:   nId = '+'; break;
+        case VK_OEM_COMMA:  nId = ','; break;
+        case VK_OEM_MINUS:  nId = '-'; break;
+        case VK_OEM_PERIOD: nId = '.'; break;
+        case VK_OEM_2:      nId = '/'; break;
+        case VK_OEM_3:      nId = '~'; break;
+        case VK_OEM_4:      nId = '['; break;
+        case VK_OEM_5:      nId = '\\'; break;
+        case VK_OEM_6:      nId = ']'; break;
+        case VK_OEM_7:      nId = '\''; break;
         case VK_NUMLOCK:    nId = WXK_NUMLOCK; break;
         case VK_SCRLLOCK:   nId = WXK_SCROLL; break;
         default:
@@ -4546,7 +4908,7 @@ const char* wxGetMessageName(
         // Beginning of user defined messages
         case 0x1000: return "WM_USER";
 
-        // wxWindows user defined types
+        // wxWidgets user defined types
 
         // listview
         // case 0x1000 + 0: return "LVM_GETBKCOLOR";
@@ -4850,3 +5212,106 @@ wxPoint wxGetMousePosition()
     return wxPoint(vPt.x, vPt.y);
 }
 
+wxWindowOS2* FindWindowForMouseEvent(
+  wxWindow*                         pWin
+, short*                            pnX
+, short*                            pnY
+)
+{
+    HWND                            hWnd = GetHwndOf(pWin);
+    HWND                            hWndUnderMouse;
+    POINTL                          vPoint;
+    BOOL                            rcEnabled = FALSE;
+    BOOL                            rcVisible = FALSE;
+
+    ::WinQueryPointerPos(HWND_DESKTOP, &vPoint);
+    hWndUnderMouse = ::WinWindowFromPoint(HWND_DESKTOP, &vPoint, TRUE);
+    if (hWndUnderMouse != HWND_DESKTOP)
+    {
+        wxWindow*                   pWinUnderMouse = wxFindWinFromHandle((WXHWND)hWndUnderMouse);
+
+        if (pWinUnderMouse)
+        {
+            wxWindowList::Node*     pCurrent = pWinUnderMouse->GetChildren().GetFirst();
+            wxWindow*               pGrandChild = NULL;
+            RECTL                   vRect;
+            POINTL                  vPoint2;
+
+            ::WinMapWindowPoints(HWND_DESKTOP, hWndUnderMouse, &vPoint, 1);
+            //
+            // Find a child window mouse might be under
+            //
+            while (pCurrent)
+            {
+                wxWindow*                   pChild = pCurrent->GetData();
+
+                vPoint2.x = vPoint.x;
+                vPoint2.y = vPoint.y;
+                ::WinMapWindowPoints(hWndUnderMouse, pChild->GetHWND(), &vPoint2, 1);
+                ::WinQueryWindowRect(pChild->GetHWND(), &vRect);
+                if (::WinPtInRect(vHabmain, &vRect, &vPoint2))
+                {
+                    if (pChild->IsTopLevel())
+                    {
+                        POINTL                  vPoint3;
+                        wxWindowList::Node*     pCurrent2 =pChild->GetChildren().GetFirst();
+
+                        while (pCurrent2)
+                        {
+                            wxWindow*           pGrandChild = pCurrent2->GetData();
+
+                            vPoint3.x = vPoint2.x;
+                            vPoint3.y = vPoint2.y;
+                            ::WinMapWindowPoints( pChild->GetHWND()
+                                                 ,pGrandChild->GetHWND()
+                                                 ,&vPoint3
+                                                 ,1
+                                                );
+                            ::WinQueryWindowRect(pGrandChild->GetHWND(), &vRect);
+                            if (::WinPtInRect(vHabmain, &vRect, &vPoint3))
+                            {
+                                hWndUnderMouse = GetHwndOf(pGrandChild);
+                                pWinUnderMouse = pGrandChild;
+                                break;
+                            }
+                            pCurrent2 = pCurrent2->GetNext();
+                        }
+                        if (pGrandChild)
+                            break;
+                    }
+                    hWndUnderMouse = GetHwndOf(pChild);
+                    pWinUnderMouse = pChild;
+                    rcVisible = ::WinIsWindowVisible(hWndUnderMouse);
+                    rcEnabled = ::WinIsWindowEnabled(hWndUnderMouse);
+                    if (rcVisible && rcEnabled)
+                        break;
+                }
+                pCurrent = pCurrent->GetNext();
+            }
+        }
+    }
+    rcVisible = ::WinIsWindowVisible(hWndUnderMouse);
+    rcEnabled = ::WinIsWindowEnabled(hWndUnderMouse);
+
+
+    //
+    // Check that we have a child window which is susceptible to receive mouse
+    // events: for this it must be shown and enabled
+    //
+    if ( hWndUnderMouse &&
+         hWndUnderMouse != hWnd &&
+         rcVisible && rcEnabled)
+    {
+        wxWindow*                       pWinUnderMouse = wxFindWinFromHandle((WXHWND)hWndUnderMouse);
+
+        if (pWinUnderMouse)
+        {
+            //
+            // Translate the mouse coords to the other window coords
+            //
+            pWin = pWinUnderMouse;
+        }
+    }
+    return pWin;
+} // end of FindWindowForMouseEvent
+