Applied patch from Neil Robinson to allow manipulation of unattached menubars

[wxWidgets.git] / src / msw / notebook.cpp

diff --git a/src/msw/notebook.cpp b/src/msw/notebook.cpp
index f4614c1267df3133e92cc9bdd35448244deb220e..8405625fcc097d4e959b72a6dbffa1bc343e35a4 100644 (file)
--- a/src/msw/notebook.cpp
+++ b/src/msw/notebook.cpp
@@ -1,5 +1,5 @@
 ///////////////////////////////////////////////////////////////////////////////
 ///////////////////////////////////////////////////////////////////////////////

-// Name:        msw/notebook.cpp
+// Name:        src/msw/notebook.cpp

 // Purpose:     implementation of wxNotebook
 // Author:      Vadim Zeitlin
 // Modified by:
 // Purpose:     implementation of wxNotebook
 // Author:      Vadim Zeitlin
 // Modified by:


@@ -9,10 +9,6 @@
 // Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 
 // Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 

-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-#pragma implementation "notebook.h"
-#endif
-

 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 


@@ -34,23 +30,15 @@
 #include  "wx/control.h"
 #include  "wx/notebook.h"
 #include  "wx/app.h"
 #include  "wx/control.h"
 #include  "wx/notebook.h"
 #include  "wx/app.h"

+#include  "wx/sysopt.h"
+#include  "wx/dcclient.h"
+#include  "wx/dcmemory.h"

 
 #include  "wx/msw/private.h"
 
 
 #include  "wx/msw/private.h"
 

-// Windows standard headers
-#ifndef   __WIN95__
-  #error  "wxNotebook is only supported Windows 95 and above"
-#endif    //Win95
-
-#include  <windowsx.h>  // for SetWindowFont
+#include  <windowsx.h>

 
 

-#ifdef __GNUWIN32_OLD__
-    #include "wx/msw/gnuwin32/extra.h"
-#endif
-
-#if defined(__WIN95__) && !(defined(__GNUWIN32_OLD__) && !defined(__CYGWIN10__))
-    #include <commctrl.h>
-#endif
+#include <commctrl.h>

 
 #include "wx/msw/winundef.h"
 
 
 #include "wx/msw/winundef.h"
 


@@ -65,8 +53,15 @@
 // check that the page index is valid
 #define IS_VALID_PAGE(nPage) ((nPage) < GetPageCount())
 
 // check that the page index is valid
 #define IS_VALID_PAGE(nPage) ((nPage) < GetPageCount())
 

-// hide the ugly cast
-#define m_hwnd    (HWND)GetHWND()
+// you can set USE_NOTEBOOK_ANTIFLICKER to 0 for desktop Windows versions too
+// to disable code whih results in flicker-less notebook redrawing at the
+// expense of some extra GDI resource consumption
+#ifdef __WXWINCE__
+    // notebooks are never resized under CE anyhow
+    #define USE_NOTEBOOK_ANTIFLICKER    0
+#else
+    #define USE_NOTEBOOK_ANTIFLICKER    1
+#endif

 
 // ----------------------------------------------------------------------------
 // constants
 
 // ----------------------------------------------------------------------------
 // constants


@@ -85,23 +80,45 @@
     #define TCS_BOTTOM      TCS_RIGHT
 #endif
 
     #define TCS_BOTTOM      TCS_RIGHT
 #endif
 

+// ----------------------------------------------------------------------------
+// global variables
+// ----------------------------------------------------------------------------
+
+#if USE_NOTEBOOK_ANTIFLICKER
+
+// the pointer to standard spin button wnd proc
+static WXFARPROC gs_wndprocNotebookSpinBtn = (WXFARPROC)NULL;
+
+// the pointer to standard tab control wnd proc
+static WXFARPROC gs_wndprocNotebook = (WXFARPROC)NULL;
+
+LRESULT APIENTRY _EXPORT wxNotebookWndProc(HWND hwnd,
+                                           UINT message,
+                                           WPARAM wParam,
+                                           LPARAM lParam);
+
+#endif // USE_NOTEBOOK_ANTIFLICKER
+

 // ----------------------------------------------------------------------------
 // event table
 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 // event table
 // ----------------------------------------------------------------------------
 

-#include <wx/listimpl.cpp>
+#include "wx/listimpl.cpp"

 
 

-WX_DEFINE_LIST( wxNotebookPageInfoList ) ;
+WX_DEFINE_LIST( wxNotebookPageInfoList )

 
 DEFINE_EVENT_TYPE(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED)
 DEFINE_EVENT_TYPE(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING)
 
 BEGIN_EVENT_TABLE(wxNotebook, wxControl)
 
 DEFINE_EVENT_TYPE(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED)
 DEFINE_EVENT_TYPE(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING)
 
 BEGIN_EVENT_TABLE(wxNotebook, wxControl)

-    EVT_NOTEBOOK_PAGE_CHANGED(-1, wxNotebook::OnSelChange)
-
+    EVT_NOTEBOOK_PAGE_CHANGED(wxID_ANY, wxNotebook::OnSelChange)

     EVT_SIZE(wxNotebook::OnSize)
     EVT_SIZE(wxNotebook::OnSize)

-

     EVT_NAVIGATION_KEY(wxNotebook::OnNavigationKey)
     EVT_NAVIGATION_KEY(wxNotebook::OnNavigationKey)

+
+#if USE_NOTEBOOK_ANTIFLICKER
+    EVT_ERASE_BACKGROUND(wxNotebook::OnEraseBackground)
+    EVT_PAINT(wxNotebook::OnPaint)
+#endif // USE_NOTEBOOK_ANTIFLICKER

 END_EVENT_TABLE()
 
 #if wxUSE_EXTENDED_RTTI
 END_EVENT_TABLE()
 
 #if wxUSE_EXTENDED_RTTI


@@ -136,9 +153,13 @@ wxBEGIN_FLAGS( wxNotebookStyle )
     wxFLAGS_MEMBER(wxHSCROLL)
 
     wxFLAGS_MEMBER(wxNB_FIXEDWIDTH)
     wxFLAGS_MEMBER(wxHSCROLL)
 
     wxFLAGS_MEMBER(wxNB_FIXEDWIDTH)

-    wxFLAGS_MEMBER(wxNB_LEFT)
-    wxFLAGS_MEMBER(wxNB_RIGHT)
-    wxFLAGS_MEMBER(wxNB_BOTTOM)
+    wxFLAGS_MEMBER(wxBK_DEFAULT)
+    wxFLAGS_MEMBER(wxBK_TOP)
+    wxFLAGS_MEMBER(wxBK_LEFT)
+    wxFLAGS_MEMBER(wxBK_RIGHT)
+    wxFLAGS_MEMBER(wxBK_BOTTOM)
+    wxFLAGS_MEMBER(wxNB_NOPAGETHEME)
+    wxFLAGS_MEMBER(wxNB_FLAT)

 
 wxEND_FLAGS( wxNotebookStyle )
 
 
 wxEND_FLAGS( wxNotebookStyle )
 


@@ -208,12 +229,16 @@ const wxNotebookPageInfoList& wxNotebook::GetPageInfos() const
 // common part of all ctors
 void wxNotebook::Init()
 {
 // common part of all ctors
 void wxNotebook::Init()
 {

-  m_imageList = NULL;
-  m_nSelection = -1;
+    m_imageList = NULL;
+    m_nSelection = -1;

 
 #if wxUSE_UXTHEME
 
 #if wxUSE_UXTHEME

-  m_hbrBackground = NULL;
+    m_hbrBackground = NULL;

 #endif // wxUSE_UXTHEME
 #endif // wxUSE_UXTHEME

+
+#if USE_NOTEBOOK_ANTIFLICKER
+    m_hasSubclassedUpdown = false;
+#endif // USE_NOTEBOOK_ANTIFLICKER

 }
 
 // default for dynamic class
 }
 
 // default for dynamic class


@@ -243,6 +268,13 @@ bool wxNotebook::Create(wxWindow *parent,
                         long style,
                         const wxString& name)
 {
                         long style,
                         const wxString& name)
 {

+#ifdef __WXWINCE__
+    // Not sure why, but without this style, there is no border
+    // around the notebook tabs.
+    if (style & wxNB_FLAT)
+        style |= wxBORDER_SUNKEN;
+#endif
+

     // comctl32.dll 6.0 doesn't support non-top tabs with visual styles (the
     // control is simply not rendered correctly), so disable them in this case
     const int verComCtl32 = wxApp::GetComCtl32Version();
     // comctl32.dll 6.0 doesn't support non-top tabs with visual styles (the
     // control is simply not rendered correctly), so disable them in this case
     const int verComCtl32 = wxApp::GetComCtl32Version();


@@ -253,17 +285,83 @@ bool wxNotebook::Create(wxWindow *parent,
         if ( wxUxThemeEngine::GetIfActive() )
 #endif
         {
         if ( wxUxThemeEngine::GetIfActive() )
 #endif
         {

-            style &= ~(wxNB_BOTTOM | wxNB_LEFT | wxNB_RIGHT);
+            style &= ~(wxBK_BOTTOM | wxBK_LEFT | wxBK_RIGHT);
+        }
+    }
+
+    LPCTSTR className = WC_TABCONTROL;
+
+#if USE_NOTEBOOK_ANTIFLICKER
+    // SysTabCtl32 class has natively CS_HREDRAW and CS_VREDRAW enabled and it
+    // causes horrible flicker when resizing notebook, so get rid of it by
+    // using a class without these styles (but otherwise identical to it)
+    if ( !HasFlag(wxFULL_REPAINT_ON_RESIZE) )
+    {
+        static ClassRegistrar s_clsNotebook;
+        if ( !s_clsNotebook.IsInitialized() )
+        {
+            // get a copy of standard class and modify it
+            WNDCLASS wc;
+
+            if ( ::GetClassInfo(NULL, WC_TABCONTROL, &wc) )
+            {
+                gs_wndprocNotebook =
+                    wx_reinterpret_cast(WXFARPROC, wc.lpfnWndProc);
+                wc.lpszClassName = wxT("_wx_SysTabCtl32");
+                wc.style &= ~(CS_HREDRAW | CS_VREDRAW);
+                wc.hInstance = wxGetInstance();
+                wc.lpfnWndProc = wxNotebookWndProc;
+                s_clsNotebook.Register(wc);
+            }
+            else
+            {
+                wxLogLastError(_T("GetClassInfoEx(SysTabCtl32)"));
+            }
+        }
+
+        // use our custom class if available but fall back to the standard
+        // notebook if we failed to register it
+        if ( s_clsNotebook.IsRegistered() )
+        {
+            // it's ok to use c_str() here as the static s_clsNotebook object
+            // has sufficiently long lifetime
+            className = s_clsNotebook.GetName().c_str();

         }
     }
         }
     }

+#endif // USE_NOTEBOOK_ANTIFLICKER

 
     if ( !CreateControl(parent, id, pos, size, style | wxTAB_TRAVERSAL,
                         wxDefaultValidator, name) )
         return false;
 
 
     if ( !CreateControl(parent, id, pos, size, style | wxTAB_TRAVERSAL,
                         wxDefaultValidator, name) )
         return false;
 

-    if ( !MSWCreateControl(WC_TABCONTROL, wxEmptyString, pos, size) )
+    if ( !MSWCreateControl(className, wxEmptyString, pos, size) )

         return false;
 
         return false;
 

+#if wxUSE_UXTHEME
+    if ( HasFlag(wxNB_NOPAGETHEME) ||
+            wxSystemOptions::IsFalse(wxT("msw.notebook.themed-background")) )
+    {
+        SetBackgroundColour(GetThemeBackgroundColour());
+    }
+    else // use themed background by default
+    {
+        // create backing store
+        UpdateBgBrush();
+    }
+#endif // wxUSE_UXTHEME
+
+    // Undocumented hack to get flat notebook style
+    // In fact, we should probably only do this in some
+    // curcumstances, i.e. if we know we will have a border
+    // at the bottom (the tab control doesn't draw it itself)
+#if defined(__POCKETPC__) || defined(__SMARTPHONE__)
+    if (HasFlag(wxNB_FLAT))
+    {
+        SendMessage(GetHwnd(), CCM_SETVERSION, COMCTL32_VERSION, 0);
+        if (!m_hasBgCol)
+            SetBackgroundColour(*wxWHITE);
+    }
+#endif

     return true;
 }
 
     return true;
 }
 


@@ -278,11 +376,11 @@ WXDWORD wxNotebook::MSWGetStyle(long style, WXDWORD *exstyle) const
     if ( style & wxNB_FIXEDWIDTH )
         tabStyle |= TCS_FIXEDWIDTH;
 
     if ( style & wxNB_FIXEDWIDTH )
         tabStyle |= TCS_FIXEDWIDTH;
 

-    if ( style & wxNB_BOTTOM )
+    if ( style & wxBK_BOTTOM )

         tabStyle |= TCS_RIGHT;
         tabStyle |= TCS_RIGHT;

-    else if ( style & wxNB_LEFT )
+    else if ( style & wxBK_LEFT )

         tabStyle |= TCS_VERTICAL;
         tabStyle |= TCS_VERTICAL;

-    else if ( style & wxNB_RIGHT )
+    else if ( style & wxBK_RIGHT )

         tabStyle |= TCS_VERTICAL | TCS_RIGHT;
 
     // ex style
         tabStyle |= TCS_VERTICAL | TCS_RIGHT;
 
     // ex style


@@ -310,103 +408,141 @@ wxNotebook::~wxNotebook()
 
 size_t wxNotebook::GetPageCount() const
 {
 
 size_t wxNotebook::GetPageCount() const
 {

-  // consistency check
-  wxASSERT( (int)m_pages.Count() == TabCtrl_GetItemCount(m_hwnd) );
+    // consistency check
+    wxASSERT( (int)m_pages.Count() == TabCtrl_GetItemCount(GetHwnd()) );

 
 

-  return m_pages.Count();
+    return m_pages.Count();

 }
 
 int wxNotebook::GetRowCount() const
 {
 }
 
 int wxNotebook::GetRowCount() const
 {

-  return TabCtrl_GetRowCount(m_hwnd);
+    return TabCtrl_GetRowCount(GetHwnd());

 }
 
 int wxNotebook::SetSelection(size_t nPage)
 {
 }
 
 int wxNotebook::SetSelection(size_t nPage)
 {

-  wxCHECK_MSG( IS_VALID_PAGE(nPage), wxNOT_FOUND, wxT("notebook page out of range") );
+    wxCHECK_MSG( IS_VALID_PAGE(nPage), wxNOT_FOUND, wxT("notebook page out of range") );

 
 

-  if ( int(nPage) != m_nSelection )
-  {
-    wxNotebookEvent event(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING, m_windowId);
-    event.SetSelection(nPage);
-    event.SetOldSelection(m_nSelection);
-    event.SetEventObject(this);
-    if ( !GetEventHandler()->ProcessEvent(event) || event.IsAllowed() )
+    if ( int(nPage) != m_nSelection )

     {
     {

-      // program allows the page change
-      event.SetEventType(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED);
-      (void)GetEventHandler()->ProcessEvent(event);
+        wxNotebookEvent event(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING, m_windowId);
+        event.SetSelection(nPage);
+        event.SetOldSelection(m_nSelection);
+        event.SetEventObject(this);
+        if ( !GetEventHandler()->ProcessEvent(event) || event.IsAllowed() )
+        {
+            // program allows the page change
+            event.SetEventType(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED);
+           (void)GetEventHandler()->ProcessEvent(event);

 
 

-      TabCtrl_SetCurSel(m_hwnd, nPage);
+           TabCtrl_SetCurSel(GetHwnd(), nPage);
+        }

     }
     }

-  }

 
 

-  return m_nSelection;
+    return m_nSelection;

 }
 
 bool wxNotebook::SetPageText(size_t nPage, const wxString& strText)
 {
 }
 
 bool wxNotebook::SetPageText(size_t nPage, const wxString& strText)
 {

-  wxCHECK_MSG( IS_VALID_PAGE(nPage), false, wxT("notebook page out of range") );
+    wxCHECK_MSG( IS_VALID_PAGE(nPage), false, wxT("notebook page out of range") );
+
+    TC_ITEM tcItem;
+    tcItem.mask = TCIF_TEXT;
+    tcItem.pszText = (wxChar *)strText.c_str();

 
 

-  TC_ITEM tcItem;
-  tcItem.mask = TCIF_TEXT;
-  tcItem.pszText = (wxChar *)strText.c_str();
+    if ( !HasFlag(wxNB_MULTILINE) )
+        return TabCtrl_SetItem(GetHwnd(), nPage, &tcItem) != 0;

 
 

-  return TabCtrl_SetItem(m_hwnd, nPage, &tcItem) != 0;
+    // multiline - we need to set new page size if a line is added or removed
+    int rows = GetRowCount();
+    bool ret = TabCtrl_SetItem(GetHwnd(), nPage, &tcItem) != 0;
+
+    if ( ret && rows != GetRowCount() )
+    {
+        const wxRect r = GetPageSize();
+        const size_t count = m_pages.Count();
+        for ( size_t page = 0; page < count; page++ )
+            m_pages[page]->SetSize(r);
+    }
+
+    return ret;

 }
 
 wxString wxNotebook::GetPageText(size_t nPage) const
 {
 }
 
 wxString wxNotebook::GetPageText(size_t nPage) const
 {

-  wxCHECK_MSG( IS_VALID_PAGE(nPage), wxEmptyString, wxT("notebook page out of range") );
+    wxCHECK_MSG( IS_VALID_PAGE(nPage), wxEmptyString, wxT("notebook page out of range") );

 
 

-  wxChar buf[256];
-  TC_ITEM tcItem;
-  tcItem.mask = TCIF_TEXT;
-  tcItem.pszText = buf;
-  tcItem.cchTextMax = WXSIZEOF(buf);
+    wxChar buf[256];
+    TC_ITEM tcItem;
+    tcItem.mask = TCIF_TEXT;
+    tcItem.pszText = buf;
+    tcItem.cchTextMax = WXSIZEOF(buf);

 
 

-  wxString str;
-  if ( TabCtrl_GetItem(m_hwnd, nPage, &tcItem) )
-    str = tcItem.pszText;
+    wxString str;
+    if ( TabCtrl_GetItem(GetHwnd(), nPage, &tcItem) )
+        str = tcItem.pszText;

 
 

-  return str;
+    return str;

 }
 
 int wxNotebook::GetPageImage(size_t nPage) const
 {
 }
 
 int wxNotebook::GetPageImage(size_t nPage) const
 {

-  wxCHECK_MSG( IS_VALID_PAGE(nPage), -1, wxT("notebook page out of range") );
+    wxCHECK_MSG( IS_VALID_PAGE(nPage), wxNOT_FOUND, wxT("notebook page out of range") );

 
 

-  TC_ITEM tcItem;
-  tcItem.mask = TCIF_IMAGE;
+    TC_ITEM tcItem;
+    tcItem.mask = TCIF_IMAGE;

 
 

-  return TabCtrl_GetItem(m_hwnd, nPage, &tcItem) ? tcItem.iImage : -1;
+    return TabCtrl_GetItem(GetHwnd(), nPage, &tcItem) ? tcItem.iImage : wxNOT_FOUND;

 }
 
 bool wxNotebook::SetPageImage(size_t nPage, int nImage)
 {
 }
 
 bool wxNotebook::SetPageImage(size_t nPage, int nImage)
 {

-  wxCHECK_MSG( IS_VALID_PAGE(nPage), false, wxT("notebook page out of range") );
+    wxCHECK_MSG( IS_VALID_PAGE(nPage), false, wxT("notebook page out of range") );

 
 

-  TC_ITEM tcItem;
-  tcItem.mask = TCIF_IMAGE;
-  tcItem.iImage = nImage;
+    TC_ITEM tcItem;
+    tcItem.mask = TCIF_IMAGE;
+    tcItem.iImage = nImage;

 
 

-  return TabCtrl_SetItem(m_hwnd, nPage, &tcItem) != 0;
+    return TabCtrl_SetItem(GetHwnd(), nPage, &tcItem) != 0;

 }
 
 void wxNotebook::SetImageList(wxImageList* imageList)
 {
 }
 
 void wxNotebook::SetImageList(wxImageList* imageList)
 {

-  wxNotebookBase::SetImageList(imageList);
+    wxNotebookBase::SetImageList(imageList);

 
 

-  if ( imageList )
-  {
-    TabCtrl_SetImageList(m_hwnd, (HIMAGELIST)imageList->GetHIMAGELIST());
-  }
+    if ( imageList )
+    {
+        (void) TabCtrl_SetImageList(GetHwnd(), (HIMAGELIST)imageList->GetHIMAGELIST());
+    }

 }
 
 // ----------------------------------------------------------------------------
 // wxNotebook size settings
 // ----------------------------------------------------------------------------
 
 }
 
 // ----------------------------------------------------------------------------
 // wxNotebook size settings
 // ----------------------------------------------------------------------------
 

+wxRect wxNotebook::GetPageSize() const
+{
+    wxRect r;
+
+    RECT rc;
+    ::GetClientRect(GetHwnd(), &rc);
+
+    // This check is to work around a bug in TabCtrl_AdjustRect which will
+    // cause a crash on win2k or on XP with themes disabled if either
+    // wxNB_MULTILINE is used or tabs are placed on a side, if the rectangle
+    // is too small.
+    //
+    // The value of 20 is chosen arbitrarily but seems to work
+    if ( rc.right > 20 && rc.bottom > 20 )
+    {
+        TabCtrl_AdjustRect(GetHwnd(), false, &rc);
+
+        wxCopyRECTToRect(rc, r);
+    }
+
+    return r;
+}
+

 void wxNotebook::SetPageSize(const wxSize& size)
 {
     // transform the page size into the notebook size
 void wxNotebook::SetPageSize(const wxSize& size)
 {
     // transform the page size into the notebook size


@@ -439,7 +575,7 @@ wxSize wxNotebook::CalcSizeFromPage(const wxSize& sizePage) const
     wxSize sizeTotal = sizePage;
 
     // We need to make getting tab size part of the wxWidgets API.
     wxSize sizeTotal = sizePage;
 
     // We need to make getting tab size part of the wxWidgets API.

-    wxSize tabSize(0, 0);
+    wxSize tabSize;

     if (GetPageCount() > 0)
     {
         RECT rect;
     if (GetPageCount() > 0)
     {
         RECT rect;


@@ -447,7 +583,7 @@ wxSize wxNotebook::CalcSizeFromPage(const wxSize& sizePage) const
         tabSize.x = rect.right - rect.left;
         tabSize.y = rect.bottom - rect.top;
     }
         tabSize.x = rect.right - rect.left;
         tabSize.y = rect.bottom - rect.top;
     }

-    if ( HasFlag(wxNB_LEFT) || HasFlag(wxNB_RIGHT) )
+    if ( HasFlag(wxBK_LEFT) || HasFlag(wxBK_RIGHT) )

     {
         sizeTotal.x += tabSize.x + 7;
         sizeTotal.y += 7;
     {
         sizeTotal.x += tabSize.x + 7;
         sizeTotal.y += 7;


@@ -465,23 +601,10 @@ void wxNotebook::AdjustPageSize(wxNotebookPage *page)
 {
     wxCHECK_RET( page, _T("NULL page in wxNotebook::AdjustPageSize") );
 
 {
     wxCHECK_RET( page, _T("NULL page in wxNotebook::AdjustPageSize") );
 

-    RECT rc;
-    rc.left =
-    rc.top = 0;
-
-    // get the page size from the notebook size
-    GetSize((int *)&rc.right, (int *)&rc.bottom);
-
-    // This check is to work around a bug in TabCtrl_AdjustRect which will
-    // cause a crash on win2k, or on XP with themes disabled, if the
-    // wxNB_MULTILINE style is used and the rectangle is very small, (such as
-    // when the notebook is first created.)  The value of 20 is just
-    // arbitrarily chosen, if there is a better way to determine this value
-    // then please do so.  --RD
-    if (rc.right > 20 && rc.bottom > 20)
+    const wxRect r = GetPageSize();
+    if ( !r.IsEmpty() )

     {
     {

-        TabCtrl_AdjustRect(m_hwnd, false, &rc);
-        page->SetSize(rc.left, rc.top, rc.right - rc.left, rc.bottom - rc.top);
+        page->SetSize(r);

     }
 }
 
     }
 }
 


@@ -496,7 +619,7 @@ wxNotebookPage *wxNotebook::DoRemovePage(size_t nPage)
     if ( !pageRemoved )
         return NULL;
 
     if ( !pageRemoved )
         return NULL;
 

-    TabCtrl_DeleteItem(m_hwnd, nPage);
+    TabCtrl_DeleteItem(GetHwnd(), nPage);

 
     if ( m_pages.IsEmpty() )
     {
 
     if ( m_pages.IsEmpty() )
     {


@@ -505,7 +628,7 @@ wxNotebookPage *wxNotebook::DoRemovePage(size_t nPage)
     }
     else // notebook still not empty
     {
     }
     else // notebook still not empty
     {

-        int selNew = TabCtrl_GetCurSel(m_hwnd);
+        int selNew = TabCtrl_GetCurSel(GetHwnd());

         if (selNew != -1)
         {
             // No selection change, just refresh the current selection.
         if (selNew != -1)
         {
             // No selection change, just refresh the current selection.


@@ -542,19 +665,19 @@ wxNotebookPage *wxNotebook::DoRemovePage(size_t nPage)
 // remove all pages
 bool wxNotebook::DeleteAllPages()
 {
 // remove all pages
 bool wxNotebook::DeleteAllPages()
 {

-  size_t nPageCount = GetPageCount();
-  size_t nPage;
-  for ( nPage = 0; nPage < nPageCount; nPage++ )
-    delete m_pages[nPage];
+    size_t nPageCount = GetPageCount();
+    size_t nPage;
+    for ( nPage = 0; nPage < nPageCount; nPage++ )
+        delete m_pages[nPage];

 
 

-  m_pages.Clear();
+    m_pages.Clear();

 
 

-  TabCtrl_DeleteAllItems(m_hwnd);
+    TabCtrl_DeleteAllItems(GetHwnd());

 
 

-  m_nSelection = -1;
+    m_nSelection = -1;

 
 

-  InvalidateBestSize();
-  return true;
+    InvalidateBestSize();
+    return true;

 }
 
 // same as AddPage() but does it at given position
 }
 
 // same as AddPage() but does it at given position


@@ -586,7 +709,7 @@ bool wxNotebook::InsertPage(size_t nPage,
     }
 
     // and the text
     }
 
     // and the text

-    if ( !strText.IsEmpty() )
+    if ( !strText.empty() )

     {
         tcItem.mask |= TCIF_TEXT;
         tcItem.pszText = (wxChar *)strText.c_str(); // const_cast
     {
         tcItem.mask |= TCIF_TEXT;
         tcItem.pszText = (wxChar *)strText.c_str(); // const_cast


@@ -608,7 +731,7 @@ bool wxNotebook::InsertPage(size_t nPage,
     AdjustPageSize(pPage);
 
     // finally do insert it
     AdjustPageSize(pPage);
 
     // finally do insert it

-    if ( TabCtrl_InsertItem(m_hwnd, nPage, &tcItem) == -1 )
+    if ( TabCtrl_InsertItem(GetHwnd(), nPage, &tcItem) == -1 )

     {
         wxLogError(wxT("Can't create the notebook page '%s'."), strText.c_str());
 
     {
         wxLogError(wxT("Can't create the notebook page '%s'."), strText.c_str());
 


@@ -650,6 +773,7 @@ bool wxNotebook::InsertPage(size_t nPage,
         SetSelection(selNew);
 
     InvalidateBestSize();
         SetSelection(selNew);
 
     InvalidateBestSize();

+

     return true;
 }
 
     return true;
 }
 


@@ -677,6 +801,69 @@ int wxNotebook::HitTest(const wxPoint& pt, long *flags) const
     return item;
 }
 
     return item;
 }
 

+// ----------------------------------------------------------------------------
+// flicker-less notebook redraw
+// ----------------------------------------------------------------------------
+
+#if USE_NOTEBOOK_ANTIFLICKER
+
+// wnd proc for the spin button
+LRESULT APIENTRY _EXPORT wxNotebookSpinBtnWndProc(HWND hwnd,
+                                                  UINT message,
+                                                  WPARAM wParam,
+                                                  LPARAM lParam)
+{
+    if ( message == WM_ERASEBKGND )
+        return 0;
+
+    return ::CallWindowProc(CASTWNDPROC gs_wndprocNotebookSpinBtn,
+                            hwnd, message, wParam, lParam);
+}
+
+LRESULT APIENTRY _EXPORT wxNotebookWndProc(HWND hwnd,
+                                           UINT message,
+                                           WPARAM wParam,
+                                           LPARAM lParam)
+{
+    return ::CallWindowProc(CASTWNDPROC gs_wndprocNotebook,
+                            hwnd, message, wParam, lParam);
+}
+
+void wxNotebook::OnEraseBackground(wxEraseEvent& WXUNUSED(event))
+{
+    // do nothing here
+}
+
+void wxNotebook::OnPaint(wxPaintEvent& WXUNUSED(event))
+{
+    wxPaintDC dc(this);
+    wxMemoryDC memdc;
+    RECT rc;
+    ::GetClientRect(GetHwnd(), &rc);
+    wxBitmap bmp(rc.right, rc.bottom);
+    memdc.SelectObject(bmp);
+
+    // if there is no special brush just use the solid background colour
+#if wxUSE_UXTHEME
+    HBRUSH hbr = (HBRUSH)m_hbrBackground;
+#else
+    HBRUSH hbr = 0;
+#endif    
+    wxBrush brush;
+    if ( !hbr )
+    {
+        brush = wxBrush(GetBackgroundColour());
+        hbr = GetHbrushOf(brush);
+    }
+
+    ::FillRect(GetHdcOf(memdc), &rc, hbr);
+
+    MSWDefWindowProc(WM_PAINT, (WPARAM)memdc.GetHDC(), 0);
+
+    dc.Blit(0, 0, rc.right, rc.bottom, &memdc, 0, 0);
+}
+
+#endif // USE_NOTEBOOK_ANTIFLICKER

 
 // ----------------------------------------------------------------------------
 // wxNotebook callbacks
 
 // ----------------------------------------------------------------------------
 // wxNotebook callbacks


@@ -684,49 +871,129 @@ int wxNotebook::HitTest(const wxPoint& pt, long *flags) const
 
 void wxNotebook::OnSize(wxSizeEvent& event)
 {
 
 void wxNotebook::OnSize(wxSizeEvent& event)
 {

-  // fit the notebook page to the tab control's display area
-  RECT rc;
-  rc.left = rc.top = 0;
-  GetSize((int *)&rc.right, (int *)&rc.bottom);
-
-  // there seems to be a bug in the implementation of TabCtrl_AdjustRect(): it
-  // returns completely false values for multiline tab controls after the tabs
-  // are added but before getting the first WM_SIZE (off by ~50 pixels, see
-  //
-  // http://sf.net/tracker/index.php?func=detail&aid=645323&group_id=9863&atid=109863
-  //
-  // and the only work around I could find was this ugly hack... without it
-  // simply toggling the "multiline" checkbox in the notebook sample resulted
-  // in a noticeable page displacement
-  if ( HasFlag(wxNB_MULTILINE) )
-  {
-      // avoid an infinite recursion: we get another notification too!
-      static bool s_isInOnSize = false;
+    if ( GetPageCount() == 0 )
+    {
+        // Prevents droppings on resize, but does cause some flicker
+        // when there are no pages.
+        Refresh();
+        event.Skip();
+        return;
+    }
+#ifndef __WXWINCE__
+    else
+    {
+        // Without this, we can sometimes get droppings at the edges
+        // of a notebook, for example a notebook in a splitter window.
+        // This needs to be reconciled with the RefreshRect calls
+        // at the end of this function, which weren't enough to prevent
+        // the droppings.

 
 

-      if ( !s_isInOnSize )
-      {
-          s_isInOnSize = true;
-          SendMessage(GetHwnd(), WM_SIZE, SIZE_RESTORED,
-                      MAKELPARAM(rc.right, rc.bottom));
-          s_isInOnSize = false;
-      }
-  }
+        wxSize sz = GetClientSize();

 
 

-  TabCtrl_AdjustRect(m_hwnd, false, &rc);
+        // Refresh right side
+        wxRect rect(sz.x-4, 0, 4, sz.y);
+        RefreshRect(rect);

 
 

-  int width = rc.right - rc.left,
-      height = rc.bottom - rc.top;
-  size_t nCount = m_pages.Count();
-  for ( size_t nPage = 0; nPage < nCount; nPage++ ) {
-    wxNotebookPage *pPage = m_pages[nPage];
-    pPage->SetSize(rc.left, rc.top, width, height);
-  }
+        // Refresh bottom side
+        rect = wxRect(0, sz.y-4, sz.x, 4);
+        RefreshRect(rect);
+
+        // Refresh left side
+        rect = wxRect(0, 0, 4, sz.y);
+        RefreshRect(rect);
+    }
+#endif // !__WXWINCE__
+
+    // fit all the notebook pages to the tab control's display area
+
+    RECT rc;
+    rc.left = rc.top = 0;
+    GetSize((int *)&rc.right, (int *)&rc.bottom);
+
+    // save the total size, we'll use it below
+    int widthNbook = rc.right - rc.left,
+        heightNbook = rc.bottom - rc.top;
+
+    // there seems to be a bug in the implementation of TabCtrl_AdjustRect(): it
+    // returns completely false values for multiline tab controls after the tabs
+    // are added but before getting the first WM_SIZE (off by ~50 pixels, see
+    //
+    // http://sf.net/tracker/index.php?func=detail&aid=645323&group_id=9863&atid=109863
+    //
+    // and the only work around I could find was this ugly hack... without it
+    // simply toggling the "multiline" checkbox in the notebook sample resulted
+    // in a noticeable page displacement
+    if ( HasFlag(wxNB_MULTILINE) )
+    {
+        // avoid an infinite recursion: we get another notification too!
+        static bool s_isInOnSize = false;
+
+        if ( !s_isInOnSize )
+        {
+            s_isInOnSize = true;
+            SendMessage(GetHwnd(), WM_SIZE, SIZE_RESTORED,
+                    MAKELPARAM(rc.right, rc.bottom));
+            s_isInOnSize = false;
+        }
+    }

 
 #if wxUSE_UXTHEME
 
 #if wxUSE_UXTHEME

-  UpdateBgBrush();
+    // background bitmap size has changed, update the brush using it too
+    UpdateBgBrush();

 #endif // wxUSE_UXTHEME
 
 #endif // wxUSE_UXTHEME
 

-  event.Skip();
+    TabCtrl_AdjustRect(GetHwnd(), false, &rc);
+
+    int width = rc.right - rc.left,
+        height = rc.bottom - rc.top;
+    size_t nCount = m_pages.Count();
+    for ( size_t nPage = 0; nPage < nCount; nPage++ ) {
+        wxNotebookPage *pPage = m_pages[nPage];
+        pPage->SetSize(rc.left, rc.top, width, height);
+    }
+
+
+    // unless we had already repainted everything, we now need to refresh
+    if ( !HasFlag(wxFULL_REPAINT_ON_RESIZE) )
+    {
+        // invalidate areas not covered by pages
+        RefreshRect(wxRect(0, 0, widthNbook, rc.top), false);
+        RefreshRect(wxRect(0, rc.top, rc.left, height), false);
+        RefreshRect(wxRect(0, rc.bottom, widthNbook, heightNbook - rc.bottom),
+                    false);
+        RefreshRect(wxRect(rc.right, rc.top, widthNbook - rc.right, height),
+                    false);
+    }
+
+#if USE_NOTEBOOK_ANTIFLICKER
+    // subclass the spin control used by the notebook to scroll pages to
+    // prevent it from flickering on resize
+    if ( !m_hasSubclassedUpdown )
+    {
+        // iterate over all child windows to find spin button
+        for ( HWND child = ::GetWindow(GetHwnd(), GW_CHILD);
+              child;
+              child = ::GetWindow(child, GW_HWNDNEXT) )
+        {
+            wxWindow *childWindow = wxFindWinFromHandle((WXHWND)child);
+
+            // see if it exists, if no wxWindow found then assume it's the spin
+            // btn
+            if ( !childWindow )
+            {
+                // subclass the spin button to override WM_ERASEBKGND
+                if ( !gs_wndprocNotebookSpinBtn )
+                    gs_wndprocNotebookSpinBtn = (WXFARPROC)wxGetWindowProc(child);
+
+                wxSetWindowProc(child, wxNotebookSpinBtnWndProc);
+                m_hasSubclassedUpdown = true;
+                break;
+            }
+        }
+    }
+#endif // USE_NOTEBOOK_ANTIFLICKER
+
+    event.Skip();

 }
 
 void wxNotebook::OnSelChange(wxNotebookEvent& event)
 }
 
 void wxNotebook::OnSelChange(wxNotebookEvent& event)


@@ -743,24 +1010,17 @@ void wxNotebook::OnSelChange(wxNotebookEvent& event)
       {
         wxNotebookPage *pPage = m_pages[sel];
         pPage->Show(true);
       {
         wxNotebookPage *pPage = m_pages[sel];
         pPage->Show(true);

-        pPage->SetFocus();
-
-        // If the newly focused window is not a child of the new page,
-        // SetFocus was not successful and the notebook itself should be
-        // focused
-        wxWindow *currentFocus = FindFocus();
-        wxWindow *startFocus = currentFocus;
-        while ( currentFocus && currentFocus != pPage && currentFocus != this )
-            currentFocus = currentFocus->GetParent();
+      }

 
 

-        if ( startFocus == pPage || currentFocus != pPage )
-            SetFocus();
+      // Changing the page should give the focus to it but, as per bug report
+      // http://sf.net/tracker/index.php?func=detail&aid=1150659&group_id=9863&atid=109863,
+      // we should not set the focus to it directly since it erroneously
+      // selects radio buttons and breaks keyboard handling for a notebook's
+      // scroll buttons. So give focus to the notebook and not the page.

 
 

-      }
-      else // no pages in the notebook, give the focus to itself
-      {
-          SetFocus();
-      }
+      // but don't do this is the notebook is hidden
+      if ( ::IsWindowVisible(GetHwnd()) )
+        SetFocus();

 
       m_nSelection = sel;
   }
 
       m_nSelection = sel;
   }


@@ -779,7 +1039,7 @@ bool wxNotebook::MSWTranslateMessage(WXMSG *wxmsg)
     // intercept SHIFT+TAB. This goes to the parent of the notebook which will
     // process it.
     if ( msg->message == WM_KEYDOWN && msg->wParam == VK_TAB &&
     // intercept SHIFT+TAB. This goes to the parent of the notebook which will
     // process it.
     if ( msg->message == WM_KEYDOWN && msg->wParam == VK_TAB &&

-            msg->hwnd == m_hwnd &&
+            msg->hwnd == GetHwnd() &&

                 (wxIsCtrlDown() || !wxIsShiftDown()) )
     {
         return MSWProcessMessage(wxmsg);
                 (wxIsCtrlDown() || !wxIsShiftDown()) )
     {
         return MSWProcessMessage(wxmsg);


@@ -815,8 +1075,9 @@ void wxNotebook::OnNavigationKey(wxNavigationKeyEvent& event)
         //
         wxWindow * const parent = GetParent();
 
         //
         wxWindow * const parent = GetParent();
 

-        const bool isFromParent = event.GetEventObject() == parent;
-        const bool isFromSelf = event.GetEventObject() == this;
+        // the wxObject* casts are required to avoid MinGW GCC 2.95.3 ICE
+        const bool isFromParent = event.GetEventObject() == (wxObject*) parent;
+        const bool isFromSelf = event.GetEventObject() == (wxObject*) this;

 
         if ( isFromParent || isFromSelf )
         {
 
         if ( isFromParent || isFromSelf )
         {


@@ -862,34 +1123,65 @@ void wxNotebook::OnNavigationKey(wxNavigationKeyEvent& event)
 
 #if wxUSE_UXTHEME
 
 
 #if wxUSE_UXTHEME
 

-WXHANDLE wxNotebook::QueryBgBitmap(wxWindow *win)
+bool wxNotebook::DoDrawBackground(WXHDC hDC, wxWindow *child)

 {
 {

+    wxUxThemeHandle theme(child ? child : this, L"TAB");
+    if ( !theme )
+        return false;
+
+    // get the notebook client rect (we're not interested in drawing tabs
+    // themselves)
+    wxRect r = GetPageSize();
+    if ( r.IsEmpty() )
+        return false;
+

     RECT rc;
     RECT rc;

-    GetWindowRect(GetHwnd(), &rc);
+    wxCopyRectToRECT(r, rc);
+
+    // map rect to the coords of the window we're drawing in
+    if ( child )
+        ::MapWindowPoints(GetHwnd(), GetHwndOf(child), (POINT *)&rc, 2);
+
+    // we have the content area (page size), but we need to draw all of the
+    // background for it to be aligned correctly
+    wxUxThemeEngine::Get()->GetThemeBackgroundExtent
+                            (
+                                theme,
+                                (HDC) hDC,
+                                9 /* TABP_PANE */,
+                                0,
+                                &rc,
+                                &rc
+                            );
+    wxUxThemeEngine::Get()->DrawThemeBackground
+                            (
+                                theme,
+                                (HDC) hDC,
+                                9 /* TABP_PANE */,
+                                0,
+                                &rc,
+                                NULL
+                            );
+
+    return true;
+}
+
+WXHBRUSH wxNotebook::QueryBgBitmap()
+{
+    wxRect r = GetPageSize();
+    if ( r.IsEmpty() )
+        return 0;

 
     WindowHDC hDC(GetHwnd());
     MemoryHDC hDCMem(hDC);
 
     WindowHDC hDC(GetHwnd());
     MemoryHDC hDCMem(hDC);

-    CompatibleBitmap hBmp(hDC, rc.right - rc.left, rc.bottom - rc.top);
+    CompatibleBitmap hBmp(hDC, r.x + r.width, r.y + r.height);

 
     SelectInHDC selectBmp(hDCMem, hBmp);
 
 
     SelectInHDC selectBmp(hDCMem, hBmp);
 

-    ::SendMessage(GetHwnd(), WM_PRINTCLIENT,
-                  (WPARAM)(HDC)hDCMem, 
-                  PRF_ERASEBKGND | PRF_CLIENT | PRF_NONCLIENT);
-
-    if ( win )
-    {
-        RECT rc2;
-        ::GetWindowRect(GetHwndOf(win), &rc2);
-
-        COLORREF c = ::GetPixel(hDCMem, rc2.left - rc.left, rc2.top - rc.top);
+    if ( !DoDrawBackground((WXHDC)(HDC)hDCMem) )
+        return 0;

 
 

-        return (WXHANDLE)c;
-    }
-    else // we are asked to create the brush
-    {
-        return (WXHANDLE)::CreatePatternBrush(hBmp);
-    }
+    return (WXHBRUSH)::CreatePatternBrush(hBmp);

 }
 
 void wxNotebook::UpdateBgBrush()
 }
 
 void wxNotebook::UpdateBgBrush()


@@ -899,22 +1191,22 @@ void wxNotebook::UpdateBgBrush()
 
     if ( !m_hasBgCol && wxUxThemeEngine::GetIfActive() )
     {
 
     if ( !m_hasBgCol && wxUxThemeEngine::GetIfActive() )
     {

-        m_hbrBackground = (WXHBRUSH)QueryBgBitmap();
+        m_hbrBackground = QueryBgBitmap();

     }
     }

-    else // no themes
+    else // no themes or we've got user-defined solid colour

     {
         m_hbrBackground = NULL;
     }
 }
 
     {
         m_hbrBackground = NULL;
     }
 }
 

-WXHBRUSH wxNotebook::MSWGetBgBrushForChild(WXHDC hDC, wxWindow *win)
+WXHBRUSH wxNotebook::MSWGetBgBrushForChild(WXHDC hDC, WXHWND hWnd)

 {
     if ( m_hbrBackground )
     {
         // before drawing with the background brush, we need to position it
         // correctly
         RECT rc;
 {
     if ( m_hbrBackground )
     {
         // before drawing with the background brush, we need to position it
         // correctly
         RECT rc;

-        ::GetWindowRect(GetHwndOf(win), &rc);
+        ::GetWindowRect((HWND)hWnd, &rc);

 
         ::MapWindowPoints(NULL, GetHwnd(), (POINT *)&rc, 1);
 
 
         ::MapWindowPoints(NULL, GetHwnd(), (POINT *)&rc, 1);
 


@@ -926,24 +1218,89 @@ WXHBRUSH wxNotebook::MSWGetBgBrushForChild(WXHDC hDC, wxWindow *win)
         return m_hbrBackground;
     }
 
         return m_hbrBackground;
     }
 

-    return wxNotebookBase::MSWGetBgBrushForChild(hDC, win);
+    return wxNotebookBase::MSWGetBgBrushForChild(hDC, hWnd);

 }
 
 }
 

-wxColour wxNotebook::MSWGetBgColourForChild(wxWindow *win)
+bool wxNotebook::MSWPrintChild(WXHDC hDC, wxWindow *child)

 {
 {

-    if ( m_hasBgCol )
-        return GetBackgroundColour();
+    // solid background colour overrides themed background drawing
+    if ( !UseBgCol() && DoDrawBackground(hDC, child) )
+        return true;
+
+    // If we're using a solid colour (for example if we've switched off
+    // theming for this notebook), paint it
+    if (UseBgCol())
+    {
+        wxRect r = GetPageSize();
+        if ( r.IsEmpty() )
+            return false;
+
+        RECT rc;
+        wxCopyRectToRECT(r, rc);
+
+        // map rect to the coords of the window we're drawing in
+        if ( child )
+            ::MapWindowPoints(GetHwnd(), GetHwndOf(child), (POINT *)&rc, 2);
+
+        wxBrush brush(GetBackgroundColour());
+        HBRUSH hbr = GetHbrushOf(brush);

 
 

-    if ( !wxUxThemeEngine::GetIfActive() )
-        return wxNullColour;
+        ::FillRect((HDC) hDC, &rc, hbr);

 
 

-    COLORREF c = (COLORREF)QueryBgBitmap(win);
+        return true;
+    }

 
 

-    return c == CLR_INVALID ? wxNullColour : wxRGBToColour(c);
+    return wxNotebookBase::MSWPrintChild(hDC, child);

 }
 
 #endif // wxUSE_UXTHEME
 
 }
 
 #endif // wxUSE_UXTHEME
 

+// Windows only: attempts to get colour for UX theme page background
+wxColour wxNotebook::GetThemeBackgroundColour() const
+{
+#if wxUSE_UXTHEME
+    if (wxUxThemeEngine::Get())
+    {
+        wxUxThemeHandle hTheme((wxNotebook*) this, L"TAB");
+        if (hTheme)
+        {
+            // This is total guesswork.
+            // See PlatformSDK\Include\Tmschema.h for values
+            COLORREF themeColor;
+            wxUxThemeEngine::Get()->GetThemeColor(
+                                        hTheme,
+                                        10 /* TABP_BODY */,
+                                        1 /* NORMAL */,
+                                        3821 /* FILLCOLORHINT */,
+                                        &themeColor);
+
+            /*
+            [DS] Workaround for WindowBlinds:
+            Some themes return a near black theme color using FILLCOLORHINT,
+            this makes notebook pages have an ugly black background and makes
+            text (usually black) unreadable. Retry again with FILLCOLOR.
+
+            This workaround potentially breaks appearance of some themes,
+            but in practice it already fixes some themes.
+            */
+            if (themeColor == 1)
+            {
+                wxUxThemeEngine::Get()->GetThemeColor(
+                                            hTheme,
+                                            10 /* TABP_BODY */,
+                                            1 /* NORMAL */,
+                                            3802 /* FILLCOLOR */,
+                                            &themeColor);
+            }
+
+            return wxRGBToColour(themeColor);
+        }
+    }
+#endif // wxUSE_UXTHEME
+
+    return GetBackgroundColour();
+}
+

 // ----------------------------------------------------------------------------
 // wxNotebook base class virtuals
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // wxNotebook base class virtuals
 // ----------------------------------------------------------------------------


@@ -998,7 +1355,7 @@ bool wxNotebook::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM* result)
       return wxControl::MSWOnNotify(idCtrl, lParam, result);
   }
 
       return wxControl::MSWOnNotify(idCtrl, lParam, result);
   }
 

-  event.SetSelection(TabCtrl_GetCurSel(m_hwnd));
+  event.SetSelection(TabCtrl_GetCurSel(GetHwnd()));

   event.SetOldSelection(m_nSelection);
   event.SetEventObject(this);
   event.SetInt(idCtrl);
   event.SetOldSelection(m_nSelection);
   event.SetEventObject(this);
   event.SetInt(idCtrl);