]> git.saurik.com Git - wxWidgets.git/blobdiff - src/os2/frame.cpp
toplevel code transferred to wxTopLevelWindow
[wxWidgets.git] / src / os2 / frame.cpp
index e1244b42d8ef14a88f3481facd59e0cc7aeb79ce..bc13037ef5a20b92c614c51ccbb5b44e116b276c 100644 (file)
 #include "wx/wxprec.h"
 
 #ifndef WX_PRECOMP
+    #include "wx/defs.h"
+    #include "wx/object.h"
+    #include "wx/dynarray.h"
+    #include "wx/list.h"
+    #include "wx/hash.h"
+    #include "wx/string.h"
+    #include "wx/intl.h"
+    #include "wx/log.h"
+    #include "wx/event.h"
     #include "wx/setup.h"
     #include "wx/frame.h"
     #include "wx/menu.h"
 extern wxWindowList wxModelessWindows;
 extern wxList WXDLLEXPORT wxPendingDelete;
 extern wxChar wxFrameClassName[];
+
+#if wxUSE_MENUS_NATIVE
 extern wxMenu *wxCurrentPopupMenu;
+#endif
+
+extern void  wxAssociateWinWithHandle( HWND         hWnd
+                                      ,wxWindowOS2* pWin
+                                     );
 
 // ----------------------------------------------------------------------------
 // event tables
@@ -64,6 +80,7 @@ IMPLEMENT_DYNAMIC_CLASS(wxFrame, wxWindow)
 // ----------------------------------------------------------------------------
 // static class members
 // ----------------------------------------------------------------------------
+#if wxUSE_STATUSBAR
 
 #if wxUSE_NATIVE_STATUSBAR
     bool wxFrame::m_bUseNativeStatusBar = TRUE;
@@ -71,6 +88,8 @@ IMPLEMENT_DYNAMIC_CLASS(wxFrame, wxWindow)
     bool wxFrame::m_bUseNativeStatusBar = FALSE;
 #endif
 
+#endif //wxUSE_STATUSBAR
+
 // ----------------------------------------------------------------------------
 // creation/destruction
 // ----------------------------------------------------------------------------
@@ -89,10 +108,16 @@ void wxFrame::Init()
     m_nFsStatusBarHeight = 0;
     m_nFsToolBarHeight   = 0;
     m_bFsIsMaximized     = FALSE;
+    m_bWasMinimized      = FALSE;
     m_bFsIsShowing       = FALSE;
     m_bIsShown           = FALSE;
     m_pWinLastFocused    = (wxWindow *)NULL;
 
+    m_hFrame    = NULL;
+    m_hTitleBar = NULL;
+    m_hHScroll  = NULL;
+    m_hVScroll  = NULL;
+
     //
     // Initialize SWP's
     //
@@ -120,12 +145,18 @@ bool wxFrame::Create(
     int                             nY      = rPos.y;
     int                             nWidth  = rSize.x;
     int                             nHeight = rSize.y;
+    bool                            bOk = FALSE;
 
     SetName(rsName);
     m_windowStyle    = lulStyle;
     m_frameMenuBar   = NULL;
+#if wxUSE_TOOLBAR
     m_frameToolBar   = NULL;
+#endif //wxUSE_TOOLBAR
+
+#if wxUSE_STATUSBAR
     m_frameStatusBar = NULL;
+#endif //wxUSE_STATUSBAR
 
     SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_APPWORKSPACE));
 
@@ -142,28 +173,30 @@ bool wxFrame::Create(
     if ((m_windowStyle & wxFRAME_FLOAT_ON_PARENT) == 0)
         pParent = NULL;
 
-    if (!pParent)
-        wxTopLevelWindows.Append(this);
-
-    OS2Create( m_windowId
-              ,pParent
-              ,wxFrameClassName
-              ,this
-              ,rsTitle
-              ,nX
-              ,nY
-              ,nWidth
-              ,nHeight
-              ,lulStyle
-             );
-
-    wxModelessWindows.Append(this);
-    return TRUE;
+    bOk = OS2Create( m_windowId
+                    ,pParent
+                    ,wxFrameClassName
+                    ,this
+                    ,rsTitle
+                    ,nX
+                    ,nY
+                    ,nWidth
+                    ,nHeight
+                    ,lulStyle
+                   );
+    if (bOk)
+    {
+        if (!pParent)
+            wxTopLevelWindows.Append(this);
+        wxModelessWindows.Append(this);
+    }
+    return(bOk);
 } // end of wxFrame::Create
 
 wxFrame::~wxFrame()
 {
     m_isBeingDeleted = TRUE;
+
     wxTopLevelWindows.DeleteObject(this);
 
     DeleteAllBars();
@@ -174,9 +207,10 @@ wxFrame::~wxFrame()
 
         if (wxTheApp->GetExitOnFrameDelete())
         {
-            ::WinPostMsg(m_hFrame, WM_QUIT, 0, 0);
+            ::WinPostMsg(NULL, WM_QUIT, 0, 0);
         }
     }
+
     wxModelessWindows.DeleteObject(this);
 
     //
@@ -203,6 +237,53 @@ wxFrame::~wxFrame()
     }
 } // end of wxFrame::~wxFrame
 
+//
+//  IF we have child controls in the Frame's client we need to alter
+//  the y position, because, OS/2 controls are positioned relative to
+//  wxWindows orgin (top left) not the OS/2 origin (bottom left)
+void wxFrame::AlterChildPos()
+{
+    //
+    // OS/2 is the only OS concerned about this
+    //
+    wxWindow*                               pChild = NULL;
+    wxControl*                              pCtrl = NULL;
+    RECTL                                   vRect;
+    SWP                                     vSwp;
+
+    ::WinQueryWindowRect(GetHwnd(), &vRect);
+    for (wxWindowList::Node* pNode = GetChildren().GetFirst();
+         pNode;
+         pNode = pNode->GetNext())
+    {
+        wxWindow*                   pChild = pNode->GetData();
+
+        ::WinQueryWindowPos(pChild->GetHWND(), &vSwp);
+        vSwp.y += (vRect.yTop - m_vSwpClient.cy);
+        if (pChild->IsKindOf(CLASSINFO(wxControl)))
+        {
+            pCtrl = wxDynamicCast(pChild, wxControl);
+            //
+            // 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.
+            //
+            vSwp.y -= pCtrl->GetYComp();
+            vSwp.x -= pCtrl->GetXComp();
+        }
+        ::WinSetWindowPos( pChild->GetHWND()
+                          ,HWND_TOP
+                          ,vSwp.x
+                          ,vSwp.y
+                          ,vSwp.cx
+                          ,vSwp.cy
+                          ,SWP_MOVE
+                         );
+        ::WinQueryWindowPos(pChild->GetHWND(), &vSwp);
+        pChild = NULL;
+    }
+} // end of wxFrame::AlterChildPos
+
 //
 // Get size *available for subwindows* i.e. excluding menu bar, toolbar etc.
 //
@@ -211,40 +292,19 @@ void wxFrame::DoGetClientSize(
 , int*                              pY
 ) const
 {
-    //
-    // OS/2 PM's coordinates go from bottom-left not
-    // top-left thus the += instead of the -=
-    //
     RECTL                           vRect;
+    ::WinQueryWindowRect(GetHwnd(), &vRect);
 
     //
-    // PM has no GetClientRect that inherantly knows about the client window
-    // We have to explicitly go fetch it!
+    // No need to use statusbar code as in WIN32 as the FORMATFRAME
+    // window procedure ensures PM knows about the new frame client
+    // size internally.  A ::WinQueryWindowRect is all that is needed!
     //
-    ::WinQueryWindowRect(GetHwnd(), &vRect);
-
-#if wxUSE_STATUSBAR
-    if ( GetStatusBar() )
-    {
-        int                         nStatusX;
-        int                         nStatusY;
-
-        GetStatusBar()->GetClientSize( &nStatusX
-                                      ,&nStatusY
-                                     );
-        vRect.yBottom += nStatusY;
-    }
-#endif // wxUSE_STATUSBAR
-
-    wxPoint                         vPoint(GetClientAreaOrigin());
-
-    vRect.yBottom += vPoint.y;
-    vRect.xRight -= vPoint.x;
 
     if (pX)
-        *pX = vRect.xRight;
+        *pX = vRect.xRight - vRect.xLeft;
     if (pY)
-        *pY = vRect.yBottom;
+        *pY = vRect.yTop - vRect.yBottom;
 } // end of wxFrame::DoGetClientSize
 
 //
@@ -261,33 +321,30 @@ void wxFrame::DoSetClientSize(
     RECTL                           vRect2;
 
     ::WinQueryWindowRect(GetHwnd(), &vRect);
-
-    ::WinQueryWindowRect(m_hFrame, &vRect2);
+    ::WinQueryWindowRect(GetHwnd(), &vRect2);
 
     //
     // Find the difference between the entire window (title bar and all)
     // and the client area; add this to the new client size to move the
     // window.  Remember OS/2's backwards y coord system!
     //
-    int                             nActualWidth = vRect2.xRight - vRect2.xLeft - vRect.xRight + nWidth;
-    int                             nActualHeight = vRect2.yTop + vRect2.yTop - vRect.yTop + nHeight;
+    int                             nActualWidth = vRect2.xRight - vRect2.xLeft - vRect.xRight;
+    int                             nActualHeight = vRect2.yTop + vRect2.yTop - vRect.yTop;
 
 #if wxUSE_STATUSBAR
-    if ( GetStatusBar() )
-    {
-        int                         nStatusX;
-        int                         nStatusY;
+    wxStatusBar*                    pStatusBar = GetStatusBar();
 
-        GetStatusBar()->GetClientSize( &nStatusX
-                                      ,&nStatusY
-                                     );
-        nActualHeight += nStatusY;
+    if (pStatusBar && pStatusBar->IsShown())
+    {
+        nActualHeight += pStatusBar->GetSize().y;
     }
+
 #endif // wxUSE_STATUSBAR
 
     wxPoint                         vPoint(GetClientAreaOrigin());
-    nActualWidth  += vPoint.y;
-    nActualHeight += vPoint.x;
+
+    nActualWidth  += vPoint.x;
+    nActualHeight += vPoint.y;
 
     POINTL                          vPointl;
 
@@ -333,15 +390,9 @@ void wxFrame::DoGetPosition(
     POINTL                          vPoint;
 
     ::WinQueryWindowRect(m_hFrame, &vRect);
-    vPoint.x = vRect.xLeft;
 
-    //
-    // OS/2 is backwards [WIN32 it is vRect.yTop]
-    //
-    vPoint.y = vRect.yBottom;
-
-    *pX = vPoint.x;
-    *pY = vPoint.y;
+    *pX = vRect.xRight - vRect.xLeft;
+    *pY = vRect.yTop - vRect.yBottom;
 } // end of wxFrame::DoGetPosition
 
 // ----------------------------------------------------------------------------
@@ -360,9 +411,19 @@ bool wxFrame::Show(
   bool                              bShow
 )
 {
+    int                             nShowCmd;
     SWP                             vSwp;
 
-    DoShowWindow((int)bShow);
+    if (bShow)
+    {
+        nShowCmd = SWP_SHOW;
+    }
+    else // hide
+    {
+        nShowCmd = SWP_HIDE;
+    }
+
+    DoShowWindow(nShowCmd);
 
     if (bShow)
     {
@@ -370,6 +431,8 @@ bool wxFrame::Show(
 
         ::WinQueryWindowPos(m_hFrame, &vSwp);
         m_bIconized = vSwp.fl & SWP_MINIMIZE;
+        ::WinQueryWindowPos(m_hWnd, &m_vSwpClient);
+        ::WinSendMsg(m_hFrame, WM_UPDATEFRAME, (MPARAM)~0, 0);
         ::WinEnableWindow(m_hFrame, TRUE);
         vEvent.SetEventObject(this);
         GetEventHandler()->ProcessEvent(vEvent);
@@ -422,7 +485,7 @@ bool wxFrame::IsIconized() const
 {
     SWP                             vSwp;
 
-    ::WinQueryWindowPos(GetHwnd(), &vSwp);
+    ::WinQueryWindowPos(m_hFrame, &vSwp);
 
     if (vSwp.fl & SWP_MINIMIZE)
         ((wxFrame*)this)->m_bIconized = TRUE;
@@ -474,51 +537,29 @@ wxStatusBar* wxFrame::OnCreateStatusBar(
     SWP                             vSwp;
     ERRORID                         vError;
     wxString                        sError;
-    HWND                            hWnd;
 
     pStatusBar = wxFrameBase::OnCreateStatusBar( nNumber
                                                 ,lulStyle
                                                 ,vId
                                                 ,rName
-                                               );
-    //
-    // The default parent set for the Statusbar is m_hWnd which, of course,
-    // is the handle to the client window of the frame.  We don't want that,
-    // so we have to set the parent to actually be the Frame.
-    //
-    hWnd = pStatusBar->GetHWND();
-    if (!::WinSetParent(hWnd, m_hFrame, FALSE))
-    {
-        vError = ::WinGetLastError(vHabmain);
-        sError = wxPMErrorToStr(vError);
-        wxLogError("Error setting parent for statusbar. Error: %s\n", sError);
+                                                 );
+
+    if( !pStatusBar )
         return NULL;
-    }
 
+    ::WinSetParent( pStatusBar->GetHWND()
+                   ,m_hFrame
+                   ,FALSE
+                  );
+    ::WinSetOwner( pStatusBar->GetHWND()
+                  ,m_hFrame
+                 );
     //
-    // Also we need to reset it positioning to enable the SHOW attribute
+    // to show statusbar
     //
-    if (!::WinQueryWindowPos((HWND)pStatusBar->GetHWND(), &vSwp))
-    {
-        vError = ::WinGetLastError(vHabmain);
-        sError = wxPMErrorToStr(vError);
-        wxLogError("Error querying frame for statusbar position. Error: %s\n", sError);
-        return NULL;
-    }
-    if (!::WinSetWindowPos( (HWND)pStatusBar->GetHWND()
-                           ,HWND_TOP
-                           ,vSwp.cx
-                           ,vSwp.cy
-                           ,vSwp.x
-                           ,vSwp.y
-                           ,SWP_SIZE | SWP_MOVE | SWP_SHOW | SWP_ZORDER
-                          ))
-    {
-        vError = ::WinGetLastError(vHabmain);
-        sError = wxPMErrorToStr(vError);
-        wxLogError("Error setting statusbar position. Error: %s\n", sError);
-        return NULL;
-    }
+    if(::WinIsWindowShowing(m_hFrame))
+        ::WinSendMsg(m_hFrame, WM_UPDATEFRAME, (MPARAM)~0, 0);
+
     return pStatusBar;
 } // end of wxFrame::OnCreateStatusBar
 
@@ -534,26 +575,32 @@ void wxFrame::PositionStatusBar()
     if (m_frameStatusBar)
     {
         int                         nWidth;
-        int                         nHeight;
+        int                         nY;
         int                         nStatbarWidth;
         int                         nStatbarHeight;
         HWND                        hWndClient;
         RECTL                       vRect;
+        RECTL                       vFRect;
 
-        ::WinQueryWindowRect(GetHwnd(), &vRect);
+        ::WinQueryWindowRect(m_hFrame, &vRect);
+        nY = vRect.yTop;
+        ::WinMapWindowPoints(m_hFrame, HWND_DESKTOP, (PPOINTL)&vRect, 2);
+        vFRect = vRect;
+        ::WinCalcFrameRect(m_hFrame, &vRect, TRUE);
         nWidth = vRect.xRight - vRect.xLeft;
-        nHeight = vRect.yTop - vRect.yBottom;
+        nY = nY - (vRect.yBottom - vFRect.yBottom);
 
         m_frameStatusBar->GetSize( &nStatbarWidth
                                   ,&nStatbarHeight
                                  );
 
+        nY= nY - nStatbarHeight;
         //
         // Since we wish the status bar to be directly under the client area,
         // we use the adjusted sizes without using wxSIZE_NO_ADJUSTMENTS.
         //
-        m_frameStatusBar->SetSize( 0
-                                  ,nHeight
+        m_frameStatusBar->SetSize( vRect.xLeft - vFRect.xLeft
+                                  ,nY
                                   ,nWidth
                                   ,nStatbarHeight
                                  );
@@ -561,27 +608,14 @@ void wxFrame::PositionStatusBar()
         {
             vError = ::WinGetLastError(vHabmain);
             sError = wxPMErrorToStr(vError);
-            wxLogError("Error setting parent for submenu. Error: %s\n", sError);
-            return;
-        }
-        if (!::WinSetWindowPos( m_frameStatusBar->GetHWND()
-                               ,HWND_TOP
-                               ,nStatbarWidth
-                               ,nStatbarHeight
-                               ,vSwp.x
-                               ,vSwp.y
-                               ,SWP_SIZE | SWP_MOVE | SWP_SHOW | SWP_ZORDER
-                              ))
-        {
-            vError = ::WinGetLastError(vHabmain);
-            sError = wxPMErrorToStr(vError);
-            wxLogError("Error setting parent for submenu. Error: %s\n", sError);
+            wxLogError("Error setting parent for StautsBar. Error: %s\n", sError);
             return;
         }
     }
 } // end of wxFrame::PositionStatusBar
 #endif // wxUSE_STATUSBAR
 
+#if wxUSE_MENUS_NATIVE
 void wxFrame::DetachMenuBar()
 {
     if (m_frameMenuBar)
@@ -597,8 +631,6 @@ void wxFrame::SetMenuBar(
 {
     ERRORID                         vError;
     wxString                        sError;
-    HWND                            hClient = NULLHANDLE;
-    HWND                            hFrame = NULLHANDLE;
     HWND                            hTitlebar = NULLHANDLE;
     HWND                            hHScroll = NULLHANDLE;
     HWND                            hVScroll = NULLHANDLE;
@@ -642,31 +674,49 @@ void wxFrame::SetMenuBar(
         }
         InternalSetMenuBar();
         m_frameMenuBar = pMenuBar;
-        pMenuBar->Attach(this);
+        pMenuBar->Attach((wxFrame*)this);
     }
-
-    //
-    // Now resize the client to fit the new frame
-    //
-    WinQueryWindowPos(m_hFrame, &vSwp);
-    hTitlebar = WinWindowFromID(m_hFrame, FID_TITLEBAR);
-    WinQueryWindowPos(hTitlebar, &vSwpTitlebar);
-    hHScroll = WinWindowFromID(m_hFrame, FID_HORZSCROLL);
-    WinQueryWindowPos(hHScroll, &vSwpHScroll);
-    hVScroll = WinWindowFromID(m_hFrame, FID_VERTSCROLL);
-    WinQueryWindowPos(hVScroll, &vSwpVScroll);
-    hMenuBar = WinWindowFromID(m_hFrame, FID_MENU);
-    WinQueryWindowPos(hMenuBar, &vSwpMenu);
-    WinSetWindowPos( GetHwnd()
-                    ,HWND_TOP
-                    ,SV_CXSIZEBORDER/2
-                    ,(SV_CYSIZEBORDER/2) + vSwpHScroll.cy/2
-                    ,vSwp.cx - ((SV_CXSIZEBORDER + 1) + vSwpVScroll.cx)
-                    ,vSwp.cy - ((SV_CYSIZEBORDER + 1) + vSwpTitlebar.cy + vSwpMenu.cy + vSwpHScroll.cy/2)
-                    ,SWP_SIZE | SWP_MOVE
-                   );
 } // end of wxFrame::SetMenuBar
 
+void wxFrame::AttachMenuBar(
+  wxMenuBar*                        pMenubar
+)
+{
+    wxFrameBase::AttachMenuBar(pMenubar);
+
+    m_frameMenuBar = pMenubar;
+
+    if (!pMenubar)
+    {
+        //
+        // Actually remove the menu from the frame
+        //
+        m_hMenu = (WXHMENU)0;
+        InternalSetMenuBar();
+    }
+    else // Set new non NULL menu bar
+    {
+        //
+        // Can set a menubar several times.
+        //
+        if (pMenubar->GetHMenu())
+        {
+            m_hMenu = pMenubar->GetHMenu();
+        }
+        else
+        {
+            if (pMenubar->IsAttached())
+                pMenubar->Detach();
+
+            m_hMenu = pMenubar->Create();
+
+            if (!m_hMenu)
+                return;
+        }
+        InternalSetMenuBar();
+    }
+} // end of wxFrame::AttachMenuBar
+
 void wxFrame::InternalSetMenuBar()
 {
     ERRORID                         vError;
@@ -687,8 +737,9 @@ void wxFrame::InternalSetMenuBar()
         sError = wxPMErrorToStr(vError);
         wxLogError("Error setting parent for submenu. Error: %s\n", sError);
     }
-    WinSendMsg((HWND)m_hFrame, WM_UPDATEFRAME, (MPARAM)FCF_MENU, (MPARAM)0);
+    ::WinSendMsg(m_hFrame, WM_UPDATEFRAME, (MPARAM)FCF_MENU, (MPARAM)0);
 } // end of wxFrame::InternalSetMenuBar
+#endif // wxUSE_MENUS_NATIVE
 
 //
 // Responds to colour changes, and passes event on to children
@@ -700,6 +751,7 @@ void wxFrame::OnSysColourChanged(
     SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_APPWORKSPACE));
     Refresh();
 
+#if wxUSE_STATUSBAR
     if (m_frameStatusBar)
     {
         wxSysColourChangedEvent     vEvent2;
@@ -707,6 +759,7 @@ void wxFrame::OnSysColourChanged(
         vEvent2.SetEventObject(m_frameStatusBar);
         m_frameStatusBar->GetEventHandler()->ProcessEvent(vEvent2);
     }
+#endif //wxUSE_STATUSBAR
 
     //
     // Propagate the event to the non-top-level children
@@ -728,16 +781,27 @@ bool wxFrame::ShowFullScreen(
         m_bFsIsShowing = TRUE;
         m_lFsStyle = lStyle;
 
-           wxToolBar*                  pTheToolBar = GetToolBar();
-           wxStatusBar*                pTheStatusBar = GetStatusBar();
+#if wxUSE_TOOLBAR
+        wxToolBar*                  pTheToolBar = GetToolBar();
+#endif //wxUSE_TOOLBAR
+
+#if wxUSE_STATUSBAR
+        wxStatusBar*                pTheStatusBar = GetStatusBar();
+#endif //wxUSE_STATUSBAR
 
         int                         nDummyWidth;
 
+#if wxUSE_TOOLBAR
         if (pTheToolBar)
             pTheToolBar->GetSize(&nDummyWidth, &m_nFsToolBarHeight);
+#endif //wxUSE_TOOLBAR
+
+#if wxUSE_STATUSBAR
         if (pTheStatusBar)
             pTheStatusBar->GetSize(&nDummyWidth, &m_nFsStatusBarHeight);
+#endif //wxUSE_STATUSBAR
 
+#if wxUSE_TOOLBAR
         //
         // Zap the toolbar, menubar, and statusbar
         //
@@ -746,6 +810,7 @@ bool wxFrame::ShowFullScreen(
             pTheToolBar->SetSize(-1,0);
             pTheToolBar->Show(FALSE);
         }
+#endif //wxUSE_TOOLBAR
 
         if (lStyle & wxFULLSCREEN_NOMENUBAR)
         {
@@ -754,6 +819,7 @@ bool wxFrame::ShowFullScreen(
             ::WinSendMsg((HWND)m_hFrame, WM_UPDATEFRAME, (MPARAM)FCF_MENU, (MPARAM)0);
         }
 
+#if wxUSE_STATUSBAR
         //
         // Save the number of fields in the statusbar
         //
@@ -765,6 +831,7 @@ bool wxFrame::ShowFullScreen(
         }
         else
             m_nFsStatusBarFields = 0;
+#endif //wxUSE_STATUSBAR
 
         //
         // Zap the frame borders
@@ -773,16 +840,16 @@ bool wxFrame::ShowFullScreen(
         //
         // Save the 'normal' window style
         //
-        m_lFsOldWindowStyle = ::WinQueryWindowULong((HWND)GetHWND(), QWL_STYLE);
+        m_lFsOldWindowStyle = ::WinQueryWindowULong(m_hFrame, QWL_STYLE);
 
         //
-           // Save the old position, width & height, maximize state
+        // Save the old position, width & height, maximize state
         //
         m_vFsOldSize = GetRect();
         m_bFsIsMaximized = IsMaximized();
 
         //
-            // Decide which window style flags to turn off
+        // Decide which window style flags to turn off
         //
         LONG                        lNewStyle = m_lFsOldWindowStyle;
         LONG                        lOffFlags = 0;
@@ -797,7 +864,7 @@ bool wxFrame::ShowFullScreen(
         //
         // Change our window style to be compatible with full-screen mode
         //
-        ::WinSetWindowULong((HWND)GetHWND(), QWL_STYLE, (ULONG)lNewStyle);
+        ::WinSetWindowULong((HWND)m_hFrame, QWL_STYLE, (ULONG)lNewStyle);
 
         //
         // Resize to the size of the desktop
@@ -845,6 +912,7 @@ bool wxFrame::ShowFullScreen(
 
         m_bFsIsShowing = FALSE;
 
+#if wxUSE_TOOLBAR
         wxToolBar*                  pTheToolBar = GetToolBar();
 
         //
@@ -855,22 +923,25 @@ bool wxFrame::ShowFullScreen(
             pTheToolBar->SetSize(-1, m_nFsToolBarHeight);
             pTheToolBar->Show(TRUE);
         }
+#endif //wxUSE_TOOLBAR
 
+#if wxUSE_STATUSBAR
         if ((m_lFsStyle & wxFULLSCREEN_NOSTATUSBAR) && (m_nFsStatusBarFields > 0))
         {
             CreateStatusBar(m_nFsStatusBarFields);
-            PositionStatusBar();
+//          PositionStatusBar();
         }
+#endif //wxUSE_STATUSBAR
 
         if ((m_lFsStyle & wxFULLSCREEN_NOMENUBAR) && (m_hMenu != 0))
         {
             ::WinSetParent(m_hMenu, m_hFrame, FALSE);
             ::WinSetOwner(m_hMenu, m_hFrame);
-            ::WinSendMsg((HWND)m_hFrame, WM_UPDATEFRAME, (MPARAM)FCF_MENU, (MPARAM)0);
+            ::WinSendMsg(m_hFrame, WM_UPDATEFRAME, (MPARAM)FCF_MENU, (MPARAM)0);
         }
         Maximize(m_bFsIsMaximized);
 
-        ::WinSetWindowULong( (HWND)GetHWND()
+        ::WinSetWindowULong( m_hFrame
                             ,QWL_STYLE
                             ,(ULONG)m_lFsOldWindowStyle
                            );
@@ -907,14 +978,16 @@ bool wxFrame::OS2Create(
     ULONG                           ulExtraFlags = 0L;
     FRAMECDATA                      vFrameCtlData;
     HWND                            hParent = NULLHANDLE;
-    HWND                            hClient = NULLHANDLE;
-    HWND                            hFrame = NULLHANDLE;
     HWND                            hTitlebar = NULLHANDLE;
     HWND                            hHScroll = NULLHANDLE;
     HWND                            hVScroll = NULLHANDLE;
+    HWND                            hFrame = NULLHANDLE;
+    HWND                            hClient = NULLHANDLE;
     SWP                             vSwp[10];
     RECTL                           vRect[10];
     USHORT                          uCtlCount;
+    ERRORID                         vError;
+    wxString                        sError;
 
     m_hDefaultIcon = (WXHICON) (wxSTD_FRAME_ICON ? wxSTD_FRAME_ICON : wxDEFAULT_FRAME_ICON);
 
@@ -985,44 +1058,76 @@ bool wxFrame::OS2Create(
     vFrameCtlData.idResources   = 0;
 
     //
-    // Create the frame window
+    // Create the frame window:  We break ranks with other ports now
+    // and instead of calling down into the base wxWindow class' OS2Create
+    // we do all our own stuff here.  We will set the needed pieces
+    // of wxWindow manually, here.
     //
-    if ((m_hFrame = ::WinCreateWindow( hParent               // Frame is parent
-                                      ,WC_FRAME              // standard frame class
-                                      ,(PSZ)zTitle           // Window title
-                                      ,0                     // No styles
-                                      ,0, 0, 0, 0            // Window position
-                                      ,NULLHANDLE            // Owner
-                                      ,HWND_TOP              // Sibling
-                                      ,(ULONG)nId            // ID
-                                      ,(PVOID)&vFrameCtlData // Creation data
-                                      ,NULL                  // Window Pres Params
-                                     )) == 0L)
+
+     hFrame = ::WinCreateStdWindow( hParent
+                                   ,ulStyleFlags   // frame-window style
+                                   ,&ulCreateFlags // window style
+                                   ,(PSZ)zWclass   // class name
+                                   ,(PSZ)zTitle    // window title
+                                   ,0L             // default client style
+                                   ,NULLHANDLE     // resource in executable file
+                                   ,0              // resource id
+                                   ,&hClient       // receives client window handle
+                                  );
+    if (!hFrame)
     {
+        vError = ::WinGetLastError(vHabmain);
+        sError = wxPMErrorToStr(vError);
+        wxLogError("Error creating frame. Error: %s\n", sError);
         return FALSE;
     }
 
-    if (!wxWindow::OS2Create( m_hFrame
-                             ,wxFrameClassName
-                             ,NULL
-                             ,0L
-                             ,0L
-                             ,0L
-                             ,0L
-                             ,0L
-                             ,m_hFrame
-                             ,HWND_TOP
-                             ,(unsigned long)FID_CLIENT
-                             ,NULL
-                             ,NULL
-                            ))
+    //
+    // wxWindow class' m_hWnd set here and needed associations
+    //
+    m_hFrame = hFrame;
+    m_hWnd   = hClient;
+    wxAssociateWinWithHandle(m_hWnd, this);
+    wxAssociateWinWithHandle(m_hFrame, this);
+
+    m_backgroundColour.Set(wxString("GREY"));
+
+    LONG                            lColor = (LONG)m_backgroundColour.GetPixel();
+
+    if (!::WinSetPresParam( m_hWnd
+                           ,PP_BACKGROUNDCOLOR
+                           ,sizeof(LONG)
+                           ,(PVOID)&lColor
+                          ))
     {
+        vError = ::WinGetLastError(vHabmain);
+        sError = wxPMErrorToStr(vError);
+        wxLogError("Error creating frame. Error: %s\n", sError);
         return FALSE;
     }
 
+    //
+    // Now need to subclass window.  Instead of calling the SubClassWin in wxWindow
+    // we manually subclass here because we don't want to use the main wxWndProc
+    // by default
+    //
+    m_fnOldWndProc = (WXFARPROC) ::WinSubclassWindow(m_hFrame, (PFNWP)wxFrameMainWndProc);
+
     //
     // Now size everything.  If adding a menu the client will need to be resized.
     //
+
+    if (pParent)
+    {
+        nY = pParent->GetSize().y - (nY + nHeight);
+    }
+    else
+    {
+        RECTL                   vRect;
+
+        ::WinQueryWindowRect(HWND_DESKTOP, &vRect);
+        nY = vRect.yTop - (nY + nHeight);
+    }
     if (!::WinSetWindowPos( m_hFrame
                            ,HWND_TOP
                            ,nX
@@ -1031,19 +1136,11 @@ bool wxFrame::OS2Create(
                            ,nHeight
                            ,SWP_SIZE | SWP_MOVE | SWP_ACTIVATE | SWP_ZORDER
                           ))
-        return FALSE;
-
-    uCtlCount = SHORT1FROMMP(::WinSendMsg(m_hFrame, WM_FORMATFRAME, (MPARAM)vSwp, (MPARAM)vRect));
-    for (int i = 0; i < uCtlCount; i++)
     {
-        if (vSwp[i].hwnd == m_hFrame)
-            memcpy(&m_vSwp, &vSwp[i], sizeof(SWP));
-        else if (vSwp[i].hwnd == m_hVScroll)
-            memcpy(&m_vSwpVScroll, &vSwp[i], sizeof(SWP));
-        else if (vSwp[i].hwnd == m_hHScroll)
-            memcpy(&m_vSwpVScroll, &vSwp[i], sizeof(SWP));
-        else if (vSwp[i].hwnd == m_hTitleBar)
-            memcpy(&m_vSwpTitleBar, &vSwp[i], sizeof(SWP));
+        vError = ::WinGetLastError(vHabmain);
+        sError = wxPMErrorToStr(vError);
+        wxLogError("Error sizing frame. Error: %s\n", sError);
+        return FALSE;
     }
     return TRUE;
 } // end of wxFrame::OS2Create
@@ -1056,27 +1153,51 @@ void wxFrame::OnActivate(
   wxActivateEvent&                  rEvent
 )
 {
-    for (wxWindowList::Node* pNode = GetChildren().GetFirst();
-         pNode;
-         pNode = pNode->GetNext())
+    if ( rEvent.GetActive() )
     {
-        // FIXME all this is totally bogus - we need to do the same as wxPanel,
-        //       but how to do it without duplicating the code?
+        // restore focus to the child which was last focused
+        wxLogTrace(_T("focus"), _T("wxFrame %08x activated."), m_hWnd);
 
-        // restore focus
-        wxWindow*                   pChild = pNode->GetData();
+        wxWindow*                           pParent = m_pWinLastFocused ? m_pWinLastFocused->GetParent()
+                                            : NULL;
+        if (!pParent)
+        {
+            pParent = this;
+        }
+
+        wxSetFocusToChild( pParent
+                          ,&m_pWinLastFocused
+                         );
+    }
+    else // deactivating
+    {
+        //
+        // Remember the last focused child if it is our child
+        //
+        m_pWinLastFocused = FindFocus();
+
+        for (wxWindowList::Node* pNode = GetChildren().GetFirst();
+             pNode;
+             pNode = pNode->GetNext())
+        {
+            // FIXME all this is totally bogus - we need to do the same as wxPanel,
+            //       but how to do it without duplicating the code?
+
+            // restore focus
+            wxWindow*                   pChild = pNode->GetData();
 
-        if (!pChild->IsTopLevel()
+            if (!pChild->IsTopLevel()
 #if wxUSE_TOOLBAR
-             && !wxDynamicCast(pChild, wxToolBar)
+                 && !wxDynamicCast(pChild, wxToolBar)
 #endif // wxUSE_TOOLBAR
 #if wxUSE_STATUSBAR
-             && !wxDynamicCast(pChild, wxStatusBar)
+                 && !wxDynamicCast(pChild, wxStatusBar)
 #endif // wxUSE_STATUSBAR
-           )
-        {
-            pChild->SetFocus();
-            return;
+               )
+            {
+                pChild->SetFocus();
+                return;
+            }
         }
     }
 } // end of wxFrame::OnActivate
@@ -1092,6 +1213,7 @@ wxPoint wxFrame::GetClientAreaOrigin() const
 {
     wxPoint                         vPoint(0, 0);
 
+#if wxUSE_TOOLBAR
     if (GetToolBar())
     {
         int                         nWidth;
@@ -1111,6 +1233,7 @@ wxPoint wxFrame::GetClientAreaOrigin() const
             vPoint.y += nHeight;
         }
     }
+#endif //wxUSE_TOOLBAR
     return vPoint;
 } // end of wxFrame::GetClientAreaOrigin
 
@@ -1157,12 +1280,12 @@ void wxFrame::PositionToolBar()
     }
 #endif // wxUSE_STATUSBAR
 
-    if ( GetToolBar() )
+    if ( m_frameToolBar )
     {
         int                         nToolbarWidth;
         int                         nToolbarHeight;
 
-        GetToolBar()->GetSize( &nToolbarWidth
+        m_frameToolBar->GetSize( &nToolbarWidth
                               ,&nToolbarHeight
                              );
 
@@ -1206,10 +1329,30 @@ void wxFrame::IconizeChildFrames(
          pNode = pNode->GetNext() )
     {
         wxWindow*                   pWin = pNode->GetData();
+        wxFrame*                    pFrame = wxDynamicCast(pWin, wxFrame);
 
-        if (pWin->IsKindOf(CLASSINFO(wxFrame)) )
+        if ( pFrame
+#if wxUSE_MDI_ARCHITECTURE
+                && !wxDynamicCast(pFrame, wxMDIChildFrame)
+#endif // wxUSE_MDI_ARCHITECTURE
+           )
         {
-            ((wxFrame *)pWin)->Iconize(bIconize);
+            //
+            // We don't want to restore the child frames which had been
+            // iconized even before we were iconized, so save the child frame
+            // status when iconizing the parent frame and check it when
+            // restoring it.
+            //
+            if (bIconize)
+            {
+                pFrame->m_bWasMinimized = pFrame->IsIconized();
+            }
+
+            //
+            // This test works for both iconizing and restoring
+            //
+            if (!pFrame->m_bWasMinimized)
+                pFrame->Iconize(bIconize);
         }
     }
 } // end of wxFrame::IconizeChildFrames
@@ -1230,11 +1373,15 @@ bool wxFrame::OS2TranslateMessage(
     //
     wxMenuBar*                      pMenuBar = GetMenuBar();
 
-    if (!pMenuBar )
+    if (!pMenuBar)
         return FALSE;
 
+#if wxUSE_ACCEL && wxUSE_MENUS_NATIVE
     const wxAcceleratorTable&       rAcceleratorTable = pMenuBar->GetAccelTable();
-    return rAcceleratorTable.Translate(m_hFrame, pMsg);
+    return rAcceleratorTable.Translate(GetHWND(), pMsg);
+#else
+    return FALSE;
+#endif //wxUSE_ACCEL
 } // end of wxFrame::OS2TranslateMessage
 
 // ---------------------------------------------------------------------------
@@ -1244,7 +1391,7 @@ bool wxFrame::HandlePaint()
 {
     RECTL                           vRect;
 
-    if (::WinQueryUpdateRect(GetHwnd(), &vRect))
+    if (::WinQueryUpdateRect(GetHWND(), &vRect))
     {
         if (m_bIconized)
         {
@@ -1289,14 +1436,40 @@ bool wxFrame::HandlePaint()
         }
         else
         {
-            HPS                             hPS;
-            RECTL                           vRect;
-
-            hPS = WinBeginPaint(GetHwnd(), 0L, &vRect);
-            WinFillRect(hPS, &vRect, SYSCLR_WINDOW);
-            WinEndPaint(hPS);
+            if (!wxWindow::HandlePaint())
+            {
+                HPS                     hPS;
+                RECTL                   vRect;
 
-            return wxWindow::HandlePaint();
+                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
+                                            );
+
+                    ::WinFillRect( hPS
+                                  ,&vRect
+                                  ,GetBackgroundColour().GetPixel()
+                                 );
+                   ::WinEndPaint(hPS);
+                }
+            }
+            return TRUE;
         }
     }
     else
@@ -1329,6 +1502,7 @@ bool wxFrame::HandleSize(
             // restore all child frames too
             //
             IconizeChildFrames(FALSE);
+            (void)SendIconizeEvent(FALSE);
 
             //
             // fall through
@@ -1343,6 +1517,7 @@ bool wxFrame::HandleSize(
             // Iconize all child frames too
             //
             IconizeChildFrames(TRUE);
+            (void)SendIconizeEvent();
             m_bIconized = TRUE;
             break;
     }
@@ -1367,7 +1542,10 @@ bool wxFrame::HandleSize(
 #endif // wxUSE_NATIVE_STATUSBAR
 
         PositionStatusBar();
+#if  wxUSE_TOOLBAR
         PositionToolBar();
+#endif // wxUSE_TOOLBAR
+
         wxSizeEvent                 vEvent( wxSize( nX
                                                    ,nY
                                                   )
@@ -1376,6 +1554,7 @@ bool wxFrame::HandleSize(
 
         vEvent.SetEventObject(this);
         bProcessed = GetEventHandler()->ProcessEvent(vEvent);
+        AlterChildPos();
     }
     return bProcessed;
 } // end of wxFrame::HandleSize
@@ -1402,8 +1581,9 @@ bool wxFrame::HandleCommand(
     //
     // Handle here commands from menus and accelerators
     //
-    if (nCmd == 0 || nCmd == 1)
+    if (nCmd == CMDSRC_MENU || nCmd == CMDSRC_ACCELERATOR)
     {
+#if wxUSE_MENUS_NATIVE
         if (wxCurrentPopupMenu)
         {
             wxMenu*                 pPopupMenu = wxCurrentPopupMenu;
@@ -1413,7 +1593,9 @@ bool wxFrame::HandleCommand(
             return pPopupMenu->OS2Command( nCmd
                                           ,nId
                                          );
+            return TRUE;
         }
+#endif
 
         if (ProcessCommand(nId))
         {
@@ -1429,36 +1611,157 @@ bool wxFrame::HandleMenuSelect(
 , WXHMENU                           hMenu
 )
 {
-    int                             nMenuItem;
+    if( !nFlags )
+    {
+        MENUITEM mItem;
+        MRESULT  rc;
+
+        rc = ::WinSendMsg(hMenu, MM_QUERYITEM, MPFROM2SHORT(nItem, TRUE), (MPARAM)&mItem);
+
+        if(rc && !(mItem.afStyle & (MIS_SUBMENU | MIS_SEPARATOR)))
+        {
+            wxMenuEvent                     vEvent(wxEVT_MENU_HIGHLIGHT, nItem);
+
+            vEvent.SetEventObject(this);
+            GetEventHandler()->ProcessEvent(vEvent); // return value would be ignored by PM
+        }
+    }
+    return TRUE;
+} // end of wxFrame::HandleMenuSelect
+
+// ---------------------------------------------------------------------------
+// Main Frame window proc
+// ---------------------------------------------------------------------------
+MRESULT EXPENTRY wxFrameMainWndProc(
+  HWND                              hWnd
+, ULONG                             ulMsg
+, MPARAM                            wParam
+, MPARAM                            lParam
+)
+{
+    MRESULT                         rc = (MRESULT)0;
+    bool                            bProcessed = FALSE;
+    wxFrame*                        pWnd  = NULL;
 
-    if (nFlags == 0xFFFF && hMenu == 0)
+    pWnd = (wxFrame*) wxFindWinFromHandle((WXHWND) hWnd);
+    switch (ulMsg)
     {
-        //
-        // Menu was removed from screen
-        //
-        nMenuItem = -1;
+        case WM_QUERYFRAMECTLCOUNT:
+            if(pWnd && pWnd->m_fnOldWndProc)
+            {
+                USHORT              uItemCount = SHORT1FROMMR(pWnd->m_fnOldWndProc(hWnd, ulMsg, wParam, lParam));
+
+                rc = MRFROMSHORT(uItemCount);
+            }
+            break;
+
+        case WM_FORMATFRAME:
+/////////////////////////////////////////////////////////////////////////////////
+// Applications that subclass frame controls may find that the frame is already
+// subclassed the number of frame controls is variable.
+// The WM_FORMATFRAME and WM_QUERYFRAMECTLCOUNT messages must always be
+// subclassed by calling the previous window procedure and modifying its result.
+////////////////////////////////////////////////////////////////////////////////
+            {
+                int                 nItemCount;
+                int                 i;
+                PSWP                pSWP = NULL;
+                SWP                 vSwpStb;
+                RECTL               vRectl;
+                RECTL               vRstb;
+                int                 nHeight=0;
+
+                pSWP = (PSWP)PVOIDFROMMP(wParam);
+                nItemCount = SHORT1FROMMR(pWnd->m_fnOldWndProc(hWnd, ulMsg, wParam, lParam));
+                if(pWnd->m_frameStatusBar)
+                {
+                    ::WinQueryWindowRect(pWnd->m_frameStatusBar->GetHWND(), &vRstb);
+                    pWnd->m_frameStatusBar->GetSize(NULL, &nHeight);
+                    ::WinQueryWindowRect(pWnd->m_hFrame, &vRectl);
+                    ::WinMapWindowPoints(pWnd->m_hFrame, HWND_DESKTOP, (PPOINTL)&vRectl, 2);
+                    vRstb = vRectl;
+                    ::WinCalcFrameRect(pWnd->m_hFrame, &vRectl, TRUE);
+
+                    vSwpStb.x                = vRectl.xLeft - vRstb.xLeft;
+                    vSwpStb.y                = vRectl.yBottom - vRstb.yBottom;
+                    vSwpStb.cx               = vRectl.xRight - vRectl.xLeft - 1; //?? -1 ??
+                    vSwpStb.cy               = nHeight;
+                    vSwpStb.fl               = SWP_SIZE |SWP_MOVE | SWP_SHOW;
+                    vSwpStb.hwnd             = pWnd->m_frameStatusBar->GetHWND();
+                    vSwpStb.hwndInsertBehind = HWND_TOP;
+                }
+                ::WinQueryWindowRect(pWnd->m_hFrame, &vRectl);
+                ::WinMapWindowPoints(pWnd->m_hFrame, HWND_DESKTOP, (PPOINTL)&vRectl, 2);
+                ::WinCalcFrameRect(pWnd->m_hFrame, &vRectl, TRUE);
+                ::WinMapWindowPoints(HWND_DESKTOP, pWnd->m_hFrame, (PPOINTL)&vRectl, 2);
+                for(i = 0; i < nItemCount; i++)
+                {
+                    if(pWnd->m_hWnd && pSWP[i].hwnd == pWnd->m_hWnd)
+                    {
+                        pSWP[i].x    = vRectl.xLeft;
+                        pSWP[i].y    = vRectl.yBottom + nHeight;
+                        pSWP[i].cx   = vRectl.xRight - vRectl.xLeft;
+                        pSWP[i].cy   = vRectl.yTop - vRectl.yBottom - nHeight;
+                        pSWP[i].fl   = SWP_SIZE | SWP_MOVE | SWP_SHOW;
+                        pSWP[i].hwndInsertBehind = HWND_TOP;
+                    }
+                }
+                bProcessed = TRUE;
+                rc = MRFROMSHORT(nItemCount);
+            }
+            break;
+
+       default:
+            if(pWnd && pWnd->m_fnOldWndProc)
+                rc = pWnd->m_fnOldWndProc(hWnd, ulMsg, wParam, lParam);
+            else
+                rc = ::WinDefWindowProc(hWnd, ulMsg, wParam, lParam);
     }
-    else if (!(nFlags & MIS_SUBMENU) && !(nFlags & MIS_SEPARATOR))
+    return rc;
+} // end of wxFrameMainWndProc
+
+MRESULT EXPENTRY wxFrameWndProc(
+  HWND                              hWnd
+, ULONG                             ulMsg
+, MPARAM                            wParam
+, MPARAM                            lParam
+)
+{
+    //
+    // Trace all ulMsgs - useful for the debugging
+    //
+    HWND                            parentHwnd;
+    wxFrame*                        pWnd  = NULL;
+
+    parentHwnd  = WinQueryWindow(hWnd,QW_PARENT);
+    pWnd = (wxFrame*) wxFindWinFromHandle((WXHWND) hWnd);
+
+    //
+    // When we get the first message for the HWND we just created, we associate
+    // it with wxWindow stored in wxWndHook
+    //
+
+    MRESULT                         rc = (MRESULT)0;
+    bool                            bProcessed = FALSE;
+
+    //
+    // Stop right here if we don't have a valid handle in our wxWindow object.
+    //
+    if (pWnd && !pWnd->GetHWND())
     {
-        nMenuItem = nItem;
+        pWnd->SetHWND((WXHWND) hWnd);
+        rc = pWnd->OS2DefWindowProc(ulMsg, wParam, lParam );
+        pWnd->SetHWND(0);
     }
     else
     {
-        //
-        // Don't give hints for separators (doesn't make sense) nor for the
-        // items opening popup menus (they don't have them anyhow)
-        //
-        return FALSE;
+        if (pWnd)
+            rc = pWnd->OS2WindowProc(ulMsg, wParam, lParam);
+        else
+            rc = ::WinDefWindowProc(hWnd, ulMsg, wParam, lParam);
     }
-    wxMenuEvent                     vEvent(wxEVT_MENU_HIGHLIGHT, nMenuItem);
-
-    vEvent.SetEventObject(this);
-    return GetEventHandler()->ProcessEvent(vEvent);
-} // end of wxFrame::HandleMenuSelect
-
-// ---------------------------------------------------------------------------
-// the window proc for wxFrame
-// ---------------------------------------------------------------------------
+    return rc;
+} // end of wxFrameWndProc
 
 MRESULT wxFrame::OS2WindowProc(
   WXUINT                            uMessage
@@ -1479,7 +1782,23 @@ MRESULT wxFrame::OS2WindowProc(
             bProcessed = !Close();
             break;
 
-        case WM_COMMAND:
+        case WM_PAINT:
+            bProcessed = HandlePaint();
+            mRc = (MRESULT)FALSE;
+            break;
+
+         case WM_ERASEBACKGROUND:
+            //
+            // Returning TRUE to requests PM to paint the window background
+            // in SYSCLR_WINDOW. We capture this here because the PS returned
+            // in Frames is the PS for the whole frame, which we can't really
+            // use at all. If you want to paint a different background, do it
+            // in an OnPaint using a wxPaintDC.
+            //
+            mRc = (MRESULT)(TRUE);
+            break;
+
+      case WM_COMMAND:
             {
                 WORD                wId;
                 WORD                wCmd;
@@ -1491,6 +1810,7 @@ MRESULT wxFrame::OS2WindowProc(
                               ,&hWnd
                               ,&wCmd
                              );
+
                 bProcessed = HandleCommand( wId
                                            ,wCmd
                                            ,(WXHWND)hWnd
@@ -1514,20 +1834,23 @@ MRESULT wxFrame::OS2WindowProc(
                                               ,wFlags
                                               ,hMenu
                                              );
+                mRc = (MRESULT)TRUE;
             }
             break;
 
-        case WM_PAINT:
-            bProcessed = HandlePaint();
-            break;
+        case WM_SIZE:
+            {
+                SHORT               nScxold = SHORT1FROMMP(wParam); // Old horizontal size.
+                SHORT               nScyold = SHORT2FROMMP(wParam); // Old vertical size.
+                SHORT               nScxnew = SHORT1FROMMP(lParam); // New horizontal size.
+                SHORT               nScynew = SHORT2FROMMP(lParam); // New vertical size.
 
-        case WM_ERASEBACKGROUND:
-            //
-            // Return TRUE to request PM to paint the window background
-            // in SYSCLR_WINDOW.
-            //
-            bProcessed = TRUE;
-            mRc = (MRESULT)(TRUE);
+                lParam = MRFROM2SHORT( nScxnew - 20
+                                      ,nScynew - 30
+                                     );
+            }
+            bProcessed = HandleSize(LOWORD(lParam), HIWORD(lParam), (WXUINT)wParam);
+            mRc = (MRESULT)FALSE;
             break;
 
         case CM_QUERYDRAGIMAGE:
@@ -1535,17 +1858,13 @@ MRESULT wxFrame::OS2WindowProc(
                 HPOINTER                hIcon;
 
                 if (m_icon.Ok())
-                    hIcon = (HPOINTER)::WinSendMsg(m_hFrame, WM_QUERYICON, 0L, 0L);
+                    hIcon = (HPOINTER)::WinSendMsg(GetHWND(), WM_QUERYICON, 0L, 0L);
                 else
                     hIcon = (HPOINTER)m_hDefaultIcon;
                 mRc = (MRESULT)hIcon;
                 bProcessed = mRc != 0;
             }
             break;
-
-        case WM_SIZE:
-            bProcessed = HandleSize(LOWORD(lParam), HIWORD(lParam), (WXUINT)wParam);
-            break;
     }
 
     if (!bProcessed )
@@ -1553,6 +1872,65 @@ MRESULT wxFrame::OS2WindowProc(
                                       ,wParam
                                       ,lParam
                                      );
-    return (MRESULT)0;
+    return (MRESULT)mRc;
 } // wxFrame::OS2WindowProc
 
+void wxFrame::SetClient(WXHWND c_Hwnd)
+{
+   // Duh...nothing to do under OS/2
+}
+
+void wxFrame::SetClient(
+  wxWindow*                         pWindow
+)
+{
+    wxWindow*                       pOldClient      = this->GetClient();
+    bool                            bClientHasFocus = pOldClient && (pOldClient == wxWindow::FindFocus());
+
+    if(pOldClient == pWindow)  // nothing to do
+        return;
+    if(pWindow == NULL) // just need to remove old client
+    {
+        if(pOldClient == NULL) // nothing to do
+            return;
+
+        if(bClientHasFocus )
+            this->SetFocus();
+
+        pOldClient->Enable( FALSE );
+        pOldClient->Show( FALSE );
+        ::WinSetWindowUShort(pOldClient->GetHWND(), QWS_ID, (USHORT)pOldClient->GetId());
+        // to avoid OS/2 bug need to update frame
+        ::WinSendMsg((HWND)this->GetFrame(), WM_UPDATEFRAME, (MPARAM)~0, 0);
+        return;
+    }
+
+    //
+    // Else need to change client
+    //
+    if(bClientHasFocus)
+         this->SetFocus();
+
+    ::WinEnableWindowUpdate((HWND)GetHWND(), FALSE);
+    if(pOldClient)
+    {
+        pOldClient->Enable(FALSE);
+        pOldClient->Show(FALSE);
+        ::WinSetWindowUShort(pOldClient->GetHWND(), QWS_ID, (USHORT)pOldClient->GetId());
+    }
+    pWindow->Reparent(this);
+    ::WinSetWindowUShort(pWindow->GetHWND(), QWS_ID, FID_CLIENT);
+    ::WinEnableWindowUpdate((HWND)GetHWND(), TRUE);
+    pWindow->Enable();
+    pWindow->Show();   // ensure client is showing
+    if( this->IsShown() )
+    {
+        this->Show();
+        ::WinSendMsg(m_hFrame, WM_UPDATEFRAME, (MPARAM)~0, 0);
+    }
+}
+
+wxWindow* wxFrame::GetClient()
+{
+    return wxFindWinFromHandle((WXHWND)::WinWindowFromID(m_hFrame, FID_CLIENT));
+}