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Remove scroll units duplication in wxGrid to fix setting them.
[wxWidgets.git] / src / aui / auibook.cpp
diff --git a/src/aui/auibook.cpp b/src/aui/auibook.cpp
index d97bd4daae70e5c6ad8861a69f570a276e84fd52..ac483df48634a2ef6e63676bac5d917097845903 100644 (file)
--- a/src/aui/auibook.cpp
+++ b/src/aui/auibook.cpp
@@ -25,25 +25,37 @@
 #ifndef WX_PRECOMP
     #include "wx/settings.h"
     #include "wx/image.h"
 #ifndef WX_PRECOMP
     #include "wx/settings.h"
     #include "wx/image.h"
+    #include "wx/menu.h"
 #endif
 
 #include "wx/aui/tabmdi.h"
 #include "wx/dcbuffer.h"
 #endif
 
 #include "wx/aui/tabmdi.h"
 #include "wx/dcbuffer.h"
-#include "wx/menu.h"
+
+#include "wx/renderer.h"
+
+#ifdef __WXMAC__
+#include "wx/osx/private.h"
+#endif
 
 #include "wx/arrimpl.cpp"
 WX_DEFINE_OBJARRAY(wxAuiNotebookPageArray)
 WX_DEFINE_OBJARRAY(wxAuiTabContainerButtonArray)
 
 
 #include "wx/arrimpl.cpp"
 WX_DEFINE_OBJARRAY(wxAuiNotebookPageArray)
 WX_DEFINE_OBJARRAY(wxAuiTabContainerButtonArray)
 
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CLOSE)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CHANGING)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CHANGED)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_AUINOTEBOOK_BUTTON)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_AUINOTEBOOK_BEGIN_DRAG)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_AUINOTEBOOK_END_DRAG)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_AUINOTEBOOK_DRAG_MOTION)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_AUINOTEBOOK_ALLOW_DND)
-
+wxDEFINE_EVENT(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CLOSE, wxAuiNotebookEvent);
+wxDEFINE_EVENT(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CLOSED, wxAuiNotebookEvent);
+wxDEFINE_EVENT(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CHANGING, wxAuiNotebookEvent);
+wxDEFINE_EVENT(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CHANGED, wxAuiNotebookEvent);
+wxDEFINE_EVENT(wxEVT_COMMAND_AUINOTEBOOK_BUTTON, wxAuiNotebookEvent);
+wxDEFINE_EVENT(wxEVT_COMMAND_AUINOTEBOOK_BEGIN_DRAG, wxAuiNotebookEvent);
+wxDEFINE_EVENT(wxEVT_COMMAND_AUINOTEBOOK_END_DRAG, wxAuiNotebookEvent);
+wxDEFINE_EVENT(wxEVT_COMMAND_AUINOTEBOOK_DRAG_MOTION, wxAuiNotebookEvent);
+wxDEFINE_EVENT(wxEVT_COMMAND_AUINOTEBOOK_ALLOW_DND, wxAuiNotebookEvent);
+wxDEFINE_EVENT(wxEVT_COMMAND_AUINOTEBOOK_BG_DCLICK, wxAuiNotebookEvent);
+wxDEFINE_EVENT(wxEVT_COMMAND_AUINOTEBOOK_DRAG_DONE, wxAuiNotebookEvent);
+wxDEFINE_EVENT(wxEVT_COMMAND_AUINOTEBOOK_TAB_MIDDLE_UP, wxAuiNotebookEvent);
+wxDEFINE_EVENT(wxEVT_COMMAND_AUINOTEBOOK_TAB_MIDDLE_DOWN, wxAuiNotebookEvent);
+wxDEFINE_EVENT(wxEVT_COMMAND_AUINOTEBOOK_TAB_RIGHT_UP, wxAuiNotebookEvent);
+wxDEFINE_EVENT(wxEVT_COMMAND_AUINOTEBOOK_TAB_RIGHT_DOWN, wxAuiNotebookEvent);
 
 IMPLEMENT_CLASS(wxAuiNotebook, wxControl)
 IMPLEMENT_CLASS(wxAuiTabCtrl, wxControl)
 
 IMPLEMENT_CLASS(wxAuiNotebook, wxControl)
 IMPLEMENT_CLASS(wxAuiTabCtrl, wxControl)
@@ -53,27 +65,15 @@ IMPLEMENT_DYNAMIC_CLASS(wxAuiNotebookEvent, wxEvent)
 
 
 
 
 
 
-// This functions are here for this proof of concept
-// and will be factored out later. See dockart.cpp
-static wxColor StepColour(const wxColor& c, int percent)
-{
-    int r = c.Red(), g = c.Green(), b = c.Blue();
-    return wxColour((unsigned char)wxMin((r*percent)/100,255),
-                    (unsigned char)wxMin((g*percent)/100,255),
-                    (unsigned char)wxMin((b*percent)/100,255));
-}
+// these functions live in dockart.cpp -- they'll eventually
+// be moved to a new utility cpp file
 
 
-// This functions are here for this proof of concept
-// and will be factored out later. See dockart.cpp
-static wxBitmap BitmapFromBits(const unsigned char bits[], int w, int h,
-                               const wxColour& color)
-{
-    wxImage img = wxBitmap((const char*)bits, w, h).ConvertToImage();
-    img.Replace(0,0,0,123,123,123);
-    img.Replace(255,255,255,color.Red(),color.Green(),color.Blue());
-    img.SetMaskColour(123,123,123);
-    return wxBitmap(img);
-}
+wxColor wxAuiStepColour(const wxColor& c, int percent);
+
+wxBitmap wxAuiBitmapFromBits(const unsigned char bits[], int w, int h,
+                             const wxColour& color);
+
+wxString wxAuiChopText(wxDC& dc, const wxString& text, int max_size);
 
 static void DrawButtons(wxDC& dc,
                         const wxRect& _rect,
 
 static void DrawButtons(wxDC& dc,
                         const wxRect& _rect,
@@ -92,8 +92,8 @@ static void DrawButtons(wxDC& dc,
     if (button_state == wxAUI_BUTTON_STATE_HOVER ||
         button_state == wxAUI_BUTTON_STATE_PRESSED)
     {
     if (button_state == wxAUI_BUTTON_STATE_HOVER ||
         button_state == wxAUI_BUTTON_STATE_PRESSED)
     {
-        dc.SetBrush(wxBrush(StepColour(bkcolour, 120)));
-        dc.SetPen(wxPen(StepColour(bkcolour, 70)));
+        dc.SetBrush(wxBrush(wxAuiStepColour(bkcolour, 120)));
+        dc.SetPen(wxPen(wxAuiStepColour(bkcolour, 75)));
 
         // draw the background behind the button
         dc.DrawRectangle(rect.x, rect.y, 15, 15);
 
         // draw the background behind the button
         dc.DrawRectangle(rect.x, rect.y, 15, 15);
@@ -112,36 +112,6 @@ static void IndentPressedBitmap(wxRect* rect, int button_state)
     }
 }
 
     }
 }
 
-// chops the text so that it fits within |max_size| pixels.
-// Also adds an elipsis if necessary
-
-static wxString ChopText(wxDC& dc, const wxString& text, int max_size)
-{
-    wxCoord x,y;
-    
-    // first check if the text fits with no problems
-    dc.GetTextExtent(text, &x, &y);
-    if (x <= max_size)
-        return text;
-        
-    size_t i, len = text.Length();
-    size_t last_good_length = 0;
-    for (i = 0; i < len; ++i)
-    {
-        wxString s = text.Left(i);
-        s += wxT("...");
-        
-        dc.GetTextExtent(s, &x, &y);
-        if (x > max_size)
-            break;
-        
-        last_good_length = i;
-    }
-
-    wxString ret = text.Left(last_good_length);
-    ret += wxT("...");
-    return ret;
-}
 
 
 // -- GUI helper classes and functions --
 
 
 // -- GUI helper classes and functions --
@@ -149,7 +119,7 @@ static wxString ChopText(wxDC& dc, const wxString& text, int max_size)
 class wxAuiCommandCapture : public wxEvtHandler
 {
 public:
 class wxAuiCommandCapture : public wxEvtHandler
 {
 public:
-    
+
     wxAuiCommandCapture() { m_last_id = 0; }
     int GetCommandId() const { return m_last_id; }
 
     wxAuiCommandCapture() { m_last_id = 0; }
     int GetCommandId() const { return m_last_id; }
 
@@ -160,13 +130,13 @@ public:
             m_last_id = evt.GetId();
             return true;
         }
             m_last_id = evt.GetId();
             return true;
         }
-        
+
         if (GetNextHandler())
             return GetNextHandler()->ProcessEvent(evt);
 
         return false;
     }
         if (GetNextHandler())
             return GetNextHandler()->ProcessEvent(evt);
 
         return false;
     }
-    
+
 private:
     int m_last_id;
 };
 private:
     int m_last_id;
 };
@@ -175,28 +145,33 @@ private:
 // -- bitmaps --
 
 #if defined( __WXMAC__ )
 // -- bitmaps --
 
 #if defined( __WXMAC__ )
- static unsigned char close_bits[]={
+ static const unsigned char close_bits[]={
      0xFF, 0xFF, 0xFF, 0xFF, 0x0F, 0xFE, 0x03, 0xF8, 0x01, 0xF0, 0x19, 0xF3,
      0xB8, 0xE3, 0xF0, 0xE1, 0xE0, 0xE0, 0xF0, 0xE1, 0xB8, 0xE3, 0x19, 0xF3,
      0x01, 0xF0, 0x03, 0xF8, 0x0F, 0xFE, 0xFF, 0xFF };
      0xFF, 0xFF, 0xFF, 0xFF, 0x0F, 0xFE, 0x03, 0xF8, 0x01, 0xF0, 0x19, 0xF3,
      0xB8, 0xE3, 0xF0, 0xE1, 0xE0, 0xE0, 0xF0, 0xE1, 0xB8, 0xE3, 0x19, 0xF3,
      0x01, 0xF0, 0x03, 0xF8, 0x0F, 0xFE, 0xFF, 0xFF };
+#elif defined( __WXGTK__)
+ static const unsigned char close_bits[]={
+     0xff, 0xff, 0xff, 0xff, 0x07, 0xf0, 0xfb, 0xef, 0xdb, 0xed, 0x8b, 0xe8,
+     0x1b, 0xec, 0x3b, 0xee, 0x1b, 0xec, 0x8b, 0xe8, 0xdb, 0xed, 0xfb, 0xef,
+     0x07, 0xf0, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
 #else
 #else
- static unsigned char close_bits[]={
+ static const unsigned char close_bits[]={
      0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xe7, 0xf3, 0xcf, 0xf9,
      0x9f, 0xfc, 0x3f, 0xfe, 0x3f, 0xfe, 0x9f, 0xfc, 0xcf, 0xf9, 0xe7, 0xf3,
      0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
 #endif
 
      0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xe7, 0xf3, 0xcf, 0xf9,
      0x9f, 0xfc, 0x3f, 0xfe, 0x3f, 0xfe, 0x9f, 0xfc, 0xcf, 0xf9, 0xe7, 0xf3,
      0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
 #endif
 
-static unsigned char left_bits[] = {
+static const unsigned char left_bits[] = {
    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfe, 0x7f, 0xfe, 0x3f, 0xfe,
    0x1f, 0xfe, 0x0f, 0xfe, 0x1f, 0xfe, 0x3f, 0xfe, 0x7f, 0xfe, 0xff, 0xfe,
    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
 
    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfe, 0x7f, 0xfe, 0x3f, 0xfe,
    0x1f, 0xfe, 0x0f, 0xfe, 0x1f, 0xfe, 0x3f, 0xfe, 0x7f, 0xfe, 0xff, 0xfe,
    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
 
-static unsigned char right_bits[] = {
+static const unsigned char right_bits[] = {
    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xdf, 0xff, 0x9f, 0xff, 0x1f, 0xff,
    0x1f, 0xfe, 0x1f, 0xfc, 0x1f, 0xfe, 0x1f, 0xff, 0x9f, 0xff, 0xdf, 0xff,
    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
 
    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xdf, 0xff, 0x9f, 0xff, 0x1f, 0xff,
    0x1f, 0xfe, 0x1f, 0xfc, 0x1f, 0xfe, 0x1f, 0xff, 0x9f, 0xff, 0xdf, 0xff,
    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
 
-static unsigned char list_bits[] = {
+static const unsigned char list_bits[] = {
    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
    0x0f, 0xf8, 0xff, 0xff, 0x0f, 0xf8, 0x1f, 0xfc, 0x3f, 0xfe, 0x7f, 0xff,
    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
    0x0f, 0xf8, 0xff, 0xff, 0x0f, 0xf8, 0x1f, 0xfc, 0x3f, 0xfe, 0x7f, 0xff,
    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
@@ -214,34 +189,44 @@ wxAuiDefaultTabArt::wxAuiDefaultTabArt()
     m_selected_font = *wxNORMAL_FONT;
     m_selected_font.SetWeight(wxBOLD);
     m_measuring_font = m_selected_font;
     m_selected_font = *wxNORMAL_FONT;
     m_selected_font.SetWeight(wxBOLD);
     m_measuring_font = m_selected_font;
-    
+
     m_fixed_tab_width = 100;
     m_fixed_tab_width = 100;
+    m_tab_ctrl_height = 0;
 
 
-    wxColour base_colour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
+#if defined( __WXMAC__ ) && wxOSX_USE_COCOA_OR_CARBON
+    wxColor base_colour = wxColour( wxMacCreateCGColorFromHITheme(kThemeBrushToolbarBackground));
+#else
+    wxColor base_colour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
+#endif
 
 
-    wxColour background_colour = base_colour;
-    wxColour normaltab_colour = base_colour;
-    wxColour selectedtab_colour = base_colour;
+    // the base_colour is too pale to use as our base colour,
+    // so darken it a bit --
+    if ((255-base_colour.Red()) +
+        (255-base_colour.Green()) +
+        (255-base_colour.Blue()) < 60)
+    {
+        base_colour = wxAuiStepColour(base_colour, 92);
+    }
+
+    m_base_colour = base_colour;
+    wxColor border_colour = wxAuiStepColour(base_colour, 75);
+
+    m_border_pen = wxPen(border_colour);
+    m_base_colour_pen = wxPen(m_base_colour);
+    m_base_colour_brush = wxBrush(m_base_colour);
+
+    m_active_close_bmp = wxAuiBitmapFromBits(close_bits, 16, 16, *wxBLACK);
+    m_disabled_close_bmp = wxAuiBitmapFromBits(close_bits, 16, 16, wxColour(128,128,128));
+
+    m_active_left_bmp = wxAuiBitmapFromBits(left_bits, 16, 16, *wxBLACK);
+    m_disabled_left_bmp = wxAuiBitmapFromBits(left_bits, 16, 16, wxColour(128,128,128));
+
+    m_active_right_bmp = wxAuiBitmapFromBits(right_bits, 16, 16, *wxBLACK);
+    m_disabled_right_bmp = wxAuiBitmapFromBits(right_bits, 16, 16, wxColour(128,128,128));
+
+    m_active_windowlist_bmp = wxAuiBitmapFromBits(list_bits, 16, 16, *wxBLACK);
+    m_disabled_windowlist_bmp = wxAuiBitmapFromBits(list_bits, 16, 16, wxColour(128,128,128));
 
 
-    m_bkbrush = wxBrush(background_colour);
-    m_normal_bkbrush = wxBrush(normaltab_colour);
-    m_normal_bkpen = wxPen(normaltab_colour);
-    m_selected_bkbrush = wxBrush(selectedtab_colour);
-    m_selected_bkpen = wxPen(selectedtab_colour);
-    
-    
-    m_active_close_bmp = BitmapFromBits(close_bits, 16, 16, *wxBLACK);
-    m_disabled_close_bmp = BitmapFromBits(close_bits, 16, 16, wxColour(128,128,128));
-    
-    m_active_left_bmp = BitmapFromBits(left_bits, 16, 16, *wxBLACK);
-    m_disabled_left_bmp = BitmapFromBits(left_bits, 16, 16, wxColour(128,128,128));
-    
-    m_active_right_bmp = BitmapFromBits(right_bits, 16, 16, *wxBLACK);
-    m_disabled_right_bmp = BitmapFromBits(right_bits, 16, 16, wxColour(128,128,128));
-    
-    m_active_windowlist_bmp = BitmapFromBits(list_bits, 16, 16, *wxBLACK);
-    m_disabled_windowlist_bmp = BitmapFromBits(list_bits, 16, 16, wxColour(128,128,128));
-    
     m_flags = 0;
 }
 
     m_flags = 0;
 }
 
@@ -251,7 +236,12 @@ wxAuiDefaultTabArt::~wxAuiDefaultTabArt()
 
 wxAuiTabArt* wxAuiDefaultTabArt::Clone()
 {
 
 wxAuiTabArt* wxAuiDefaultTabArt::Clone()
 {
-    return static_cast<wxAuiTabArt*>(new wxAuiDefaultTabArt);
+    wxAuiDefaultTabArt* art = new wxAuiDefaultTabArt;
+    art->SetNormalFont(m_normal_font);
+    art->SetSelectedFont(m_selected_font);
+    art->SetMeasuringFont(m_measuring_font);
+
+    return art;
 }
 
 void wxAuiDefaultTabArt::SetFlags(unsigned int flags)
 }
 
 void wxAuiDefaultTabArt::SetFlags(unsigned int flags)
@@ -263,38 +253,71 @@ void wxAuiDefaultTabArt::SetSizingInfo(const wxSize& tab_ctrl_size,
                                        size_t tab_count)
 {
     m_fixed_tab_width = 100;
                                        size_t tab_count)
 {
     m_fixed_tab_width = 100;
-    
+
     int tot_width = (int)tab_ctrl_size.x - GetIndentSize() - 4;
     int tot_width = (int)tab_ctrl_size.x - GetIndentSize() - 4;
+
+    if (m_flags & wxAUI_NB_CLOSE_BUTTON)
+        tot_width -= m_active_close_bmp.GetWidth();
+    if (m_flags & wxAUI_NB_WINDOWLIST_BUTTON)
+        tot_width -= m_active_windowlist_bmp.GetWidth();
+
     if (tab_count > 0)
     {
         m_fixed_tab_width = tot_width/(int)tab_count;
     }
     if (tab_count > 0)
     {
         m_fixed_tab_width = tot_width/(int)tab_count;
     }
-    
-    
+
+
     if (m_fixed_tab_width < 100)
         m_fixed_tab_width = 100;
     if (m_fixed_tab_width < 100)
         m_fixed_tab_width = 100;
-        
+
     if (m_fixed_tab_width > tot_width/2)
         m_fixed_tab_width = tot_width/2;
     if (m_fixed_tab_width > tot_width/2)
         m_fixed_tab_width = tot_width/2;
-        
+
     if (m_fixed_tab_width > 220)
         m_fixed_tab_width = 220;
     if (m_fixed_tab_width > 220)
         m_fixed_tab_width = 220;
+
+    m_tab_ctrl_height = tab_ctrl_size.y;
 }
 }
-                       
-                       
+
+
 void wxAuiDefaultTabArt::DrawBackground(wxDC& dc,
                                         wxWindow* WXUNUSED(wnd),
                                         const wxRect& rect)
 {
     // draw background
 void wxAuiDefaultTabArt::DrawBackground(wxDC& dc,
                                         wxWindow* WXUNUSED(wnd),
                                         const wxRect& rect)
 {
     // draw background
-    dc.SetBrush(m_bkbrush);
-    dc.SetPen(*wxTRANSPARENT_PEN);
-    dc.DrawRectangle(-1, -1, rect.GetWidth()+2, rect.GetHeight()+2);
 
 
-    // draw base lines
-    dc.SetPen(*wxGREY_PEN);
-    dc.DrawLine(0, rect.GetHeight()-4, rect.GetWidth(), rect.GetHeight()-4);
-    dc.DrawLine(0, rect.GetHeight()-1, rect.GetWidth(), rect.GetHeight()-1);
+    wxColor top_color       = wxAuiStepColour(m_base_colour, 90);
+    wxColor bottom_color   = wxAuiStepColour(m_base_colour, 170);
+    wxRect r;
+
+   if (m_flags &wxAUI_NB_BOTTOM)
+       r = wxRect(rect.x, rect.y, rect.width+2, rect.height);
+   // TODO: else if (m_flags &wxAUI_NB_LEFT) {}
+   // TODO: else if (m_flags &wxAUI_NB_RIGHT) {}
+   else //for wxAUI_NB_TOP
+       r = wxRect(rect.x, rect.y, rect.width+2, rect.height-3);
+
+    dc.GradientFillLinear(r, top_color, bottom_color, wxSOUTH);
+
+
+   // draw base lines
+
+   dc.SetPen(m_border_pen);
+   int y = rect.GetHeight();
+   int w = rect.GetWidth();
+
+   if (m_flags &wxAUI_NB_BOTTOM)
+   {
+       dc.SetBrush(wxBrush(bottom_color));
+       dc.DrawRectangle(-1, 0, w+2, 4);
+   }
+   // TODO: else if (m_flags &wxAUI_NB_LEFT) {}
+   // TODO: else if (m_flags &wxAUI_NB_RIGHT) {}
+   else //for wxAUI_NB_TOP
+   {
+       dc.SetBrush(m_base_colour_brush);
+       dc.DrawRectangle(-1, y-4, w+2, 4);
+   }
 }
 
 
 }
 
 
@@ -309,9 +332,8 @@ void wxAuiDefaultTabArt::DrawBackground(wxDC& dc,
 
 void wxAuiDefaultTabArt::DrawTab(wxDC& dc,
                                  wxWindow* wnd,
 
 void wxAuiDefaultTabArt::DrawTab(wxDC& dc,
                                  wxWindow* wnd,
+                                 const wxAuiNotebookPage& page,
                                  const wxRect& in_rect,
                                  const wxRect& in_rect,
-                                 const wxString& caption_text,
-                                 bool active,
                                  int close_button_state,
                                  wxRect* out_tab_rect,
                                  wxRect* out_button_rect,
                                  int close_button_state,
                                  wxRect* out_tab_rect,
                                  wxRect* out_button_rect,
@@ -319,128 +341,248 @@ void wxAuiDefaultTabArt::DrawTab(wxDC& dc,
 {
     wxCoord normal_textx, normal_texty;
     wxCoord selected_textx, selected_texty;
 {
     wxCoord normal_textx, normal_texty;
     wxCoord selected_textx, selected_texty;
-    wxCoord textx, texty;
-    
+    wxCoord texty;
+
     // if the caption is empty, measure some temporary text
     // if the caption is empty, measure some temporary text
-    wxString caption = caption_text;
-    if (caption_text.empty())
+    wxString caption = page.caption;
+    if (caption.empty())
         caption = wxT("Xj");
         caption = wxT("Xj");
-            
+
     dc.SetFont(m_selected_font);
     dc.GetTextExtent(caption, &selected_textx, &selected_texty);
     dc.SetFont(m_selected_font);
     dc.GetTextExtent(caption, &selected_textx, &selected_texty);
-    
+
     dc.SetFont(m_normal_font);
     dc.GetTextExtent(caption, &normal_textx, &normal_texty);
     dc.SetFont(m_normal_font);
     dc.GetTextExtent(caption, &normal_textx, &normal_texty);
-        
-    // figure out the size of the tab
-    wxSize tab_size = GetTabSize(dc, wnd, caption, active, close_button_state, x_extent);
 
 
-    wxCoord tab_height = tab_size.y;
+    // figure out the size of the tab
+    wxSize tab_size = GetTabSize(dc,
+                                 wnd,
+                                 page.caption,
+                                 page.bitmap,
+                                 page.active,
+                                 close_button_state,
+                                 x_extent);
+
+    wxCoord tab_height = m_tab_ctrl_height - 3;
     wxCoord tab_width = tab_size.x;
     wxCoord tab_x = in_rect.x;
     wxCoord tab_y = in_rect.y + in_rect.height - tab_height;
 
 
     wxCoord tab_width = tab_size.x;
     wxCoord tab_x = in_rect.x;
     wxCoord tab_y = in_rect.y + in_rect.height - tab_height;
 
 
-    caption = caption_text;
-
-    dc.SetClippingRegion(in_rect);
-                  
+    caption = page.caption;
 
 
     // select pen, brush and font for the tab to be drawn
 
 
 
     // select pen, brush and font for the tab to be drawn
 
-    if (active)
+    if (page.active)
     {
     {
-        dc.SetPen(m_selected_bkpen);
-        dc.SetBrush(m_selected_bkbrush);
         dc.SetFont(m_selected_font);
         dc.SetFont(m_selected_font);
-        textx = selected_textx;
         texty = selected_texty;
     }
         texty = selected_texty;
     }
-     else
+    else
     {
     {
-        dc.SetPen(m_normal_bkpen);
-        dc.SetBrush(m_normal_bkbrush);
         dc.SetFont(m_normal_font);
         dc.SetFont(m_normal_font);
-        textx = normal_textx;
         texty = normal_texty;
     }
 
         texty = normal_texty;
     }
 
-    
+
     // create points that will make the tab outline
     // create points that will make the tab outline
-    
-    wxPoint points[6];
-    points[0].x = tab_x;
-    points[0].y = tab_y + tab_height - 4;
-    points[1].x = tab_x;
-    points[1].y = tab_y + 2;
-    points[2].x = tab_x + 2;
-    points[2].y = tab_y;
-    points[3].x = tab_x + tab_width - 2;
-    points[3].y = tab_y;
-    points[4].x = tab_x + tab_width;
-    points[4].y = tab_y + 2;
-    points[5].x = tab_x + tab_width;
-    points[5].y = tab_y + tab_height - 4;
 
 
+    int clip_width = tab_width;
+    if (tab_x + clip_width > in_rect.x + in_rect.width)
+        clip_width = (in_rect.x + in_rect.width) - tab_x;
+
+/*
+    wxPoint clip_points[6];
+    clip_points[0] = wxPoint(tab_x,              tab_y+tab_height-3);
+    clip_points[1] = wxPoint(tab_x,              tab_y+2);
+    clip_points[2] = wxPoint(tab_x+2,            tab_y);
+    clip_points[3] = wxPoint(tab_x+clip_width-1, tab_y);
+    clip_points[4] = wxPoint(tab_x+clip_width+1, tab_y+2);
+    clip_points[5] = wxPoint(tab_x+clip_width+1, tab_y+tab_height-3);
+
+    // FIXME: these ports don't provide wxRegion ctor from array of points
+#if !defined(__WXDFB__) && !defined(__WXCOCOA__)
+    // set the clipping region for the tab --
+    wxRegion clipping_region(WXSIZEOF(clip_points), clip_points);
+    dc.SetClippingRegion(clipping_region);
+#endif // !wxDFB && !wxCocoa
+*/
+    // since the above code above doesn't play well with WXDFB or WXCOCOA,
+    // we'll just use a rectangle for the clipping region for now --
+    dc.SetClippingRegion(tab_x, tab_y, clip_width+1, tab_height-3);
+
+
+    wxPoint border_points[6];
+    if (m_flags &wxAUI_NB_BOTTOM)
+    {
+        border_points[0] = wxPoint(tab_x,             tab_y);
+        border_points[1] = wxPoint(tab_x,             tab_y+tab_height-6);
+        border_points[2] = wxPoint(tab_x+2,           tab_y+tab_height-4);
+        border_points[3] = wxPoint(tab_x+tab_width-2, tab_y+tab_height-4);
+        border_points[4] = wxPoint(tab_x+tab_width,   tab_y+tab_height-6);
+        border_points[5] = wxPoint(tab_x+tab_width,   tab_y);
+    }
+    else //if (m_flags & wxAUI_NB_TOP) {}
+    {
+        border_points[0] = wxPoint(tab_x,             tab_y+tab_height-4);
+        border_points[1] = wxPoint(tab_x,             tab_y+2);
+        border_points[2] = wxPoint(tab_x+2,           tab_y);
+        border_points[3] = wxPoint(tab_x+tab_width-2, tab_y);
+        border_points[4] = wxPoint(tab_x+tab_width,   tab_y+2);
+        border_points[5] = wxPoint(tab_x+tab_width,   tab_y+tab_height-4);
+    }
+    // TODO: else if (m_flags &wxAUI_NB_LEFT) {}
+    // TODO: else if (m_flags &wxAUI_NB_RIGHT) {}
+
+    int drawn_tab_yoff = border_points[1].y;
+    int drawn_tab_height = border_points[0].y - border_points[1].y;
 
 
-    // draw gradient background
-    if (active)
-    {           
-        wxColour c = m_bkbrush.GetColour();
-        dc.SetPen(wxPen(c));
-        
-        int y, last_y = -1;
-        for (y = points[0].y; y > points[2].y; --y)
-        {
-            if (y < tab_y+(tab_height*3/5) && y != last_y)
-            {
-                last_y = y;
-                c = StepColour(c, 102);
-                dc.SetPen(wxPen(c));
-            }
-            
-            dc.DrawLine(points[0].x+1, y, points[5].x, y);
-        }
+
+    if (page.active)
+    {
+        // draw active tab
+
+        // draw base background color
+        wxRect r(tab_x, tab_y, tab_width, tab_height);
+        dc.SetPen(m_base_colour_pen);
+        dc.SetBrush(m_base_colour_brush);
+        dc.DrawRectangle(r.x+1, r.y+1, r.width-1, r.height-4);
+
+        // this white helps fill out the gradient at the top of the tab
+        dc.SetPen(*wxWHITE_PEN);
+        dc.SetBrush(*wxWHITE_BRUSH);
+        dc.DrawRectangle(r.x+2, r.y+1, r.width-3, r.height-4);
+
+        // these two points help the rounded corners appear more antialiased
+        dc.SetPen(m_base_colour_pen);
+        dc.DrawPoint(r.x+2, r.y+1);
+        dc.DrawPoint(r.x+r.width-2, r.y+1);
+
+        // set rectangle down a bit for gradient drawing
+        r.SetHeight(r.GetHeight()/2);
+        r.x += 2;
+        r.width -= 2;
+        r.y += r.height;
+        r.y -= 2;
+
+        // draw gradient background
+        wxColor top_color = *wxWHITE;
+        wxColor bottom_color = m_base_colour;
+        dc.GradientFillLinear(r, bottom_color, top_color, wxNORTH);
+    }
+    else
+    {
+        // draw inactive tab
+
+        wxRect r(tab_x, tab_y+1, tab_width, tab_height-3);
+
+        // start the gradent up a bit and leave the inside border inset
+        // by a pixel for a 3D look.  Only the top half of the inactive
+        // tab will have a slight gradient
+        r.x += 3;
+        r.y++;
+        r.width -= 4;
+        r.height /= 2;
+        r.height--;
+
+        // -- draw top gradient fill for glossy look
+        wxColor top_color = m_base_colour;
+        wxColor bottom_color = wxAuiStepColour(top_color, 160);
+        dc.GradientFillLinear(r, bottom_color, top_color, wxNORTH);
+
+        r.y += r.height;
+        r.y--;
+
+        // -- draw bottom fill for glossy look
+        top_color = m_base_colour;
+        bottom_color = m_base_colour;
+        dc.GradientFillLinear(r, top_color, bottom_color, wxSOUTH);
     }
 
     }
 
-    // draw tab outline 
-    dc.SetPen(*wxGREY_PEN);
+    // draw tab outline
+    dc.SetPen(m_border_pen);
     dc.SetBrush(*wxTRANSPARENT_BRUSH);
     dc.SetBrush(*wxTRANSPARENT_BRUSH);
-    dc.DrawPolygon(6, points);
-    
+    dc.DrawPolygon(WXSIZEOF(border_points), border_points);
+
     // there are two horizontal grey lines at the bottom of the tab control,
     // this gets rid of the top one of those lines in the tab control
     // there are two horizontal grey lines at the bottom of the tab control,
     // this gets rid of the top one of those lines in the tab control
-    if (active)
+    if (page.active)
     {
     {
-        wxColour c = m_bkbrush.GetColour();
-        dc.SetPen(wxPen(c));
-        dc.DrawLine(points[0].x, points[0].y, points[5].x+1, points[5].y);
+        if (m_flags &wxAUI_NB_BOTTOM)
+            dc.SetPen(wxPen(wxColour(wxAuiStepColour(m_base_colour, 170))));
+        // TODO: else if (m_flags &wxAUI_NB_LEFT) {}
+        // TODO: else if (m_flags &wxAUI_NB_RIGHT) {}
+        else //for wxAUI_NB_TOP
+            dc.SetPen(m_base_colour_pen);
+        dc.DrawLine(border_points[0].x+1,
+                    border_points[0].y,
+                    border_points[5].x,
+                    border_points[5].y);
     }
     }
-    
-    int text_offset;
 
 
+
+    int text_offset = tab_x + 8;
     int close_button_width = 0;
     int close_button_width = 0;
-    
     if (close_button_state != wxAUI_BUTTON_STATE_HIDDEN)
     {
         close_button_width = m_active_close_bmp.GetWidth();
     }
     if (close_button_state != wxAUI_BUTTON_STATE_HIDDEN)
     {
         close_button_width = m_active_close_bmp.GetWidth();
     }
-    
-    text_offset = tab_x + 8;
-    
 
 
-    wxString draw_text = ChopText(dc,
+    int bitmap_offset = 0;
+    if (page.bitmap.IsOk())
+    {
+        bitmap_offset = tab_x + 8;
+
+        // draw bitmap
+        dc.DrawBitmap(page.bitmap,
+                      bitmap_offset,
+                      drawn_tab_yoff + (drawn_tab_height/2) - (page.bitmap.GetHeight()/2),
+                      true);
+
+        text_offset = bitmap_offset + page.bitmap.GetWidth();
+        text_offset += 3; // bitmap padding
+
+    }
+    else
+    {
+        text_offset = tab_x + 8;
+    }
+
+
+    wxString draw_text = wxAuiChopText(dc,
                           caption,
                           tab_width - (text_offset-tab_x) - close_button_width);
                           caption,
                           tab_width - (text_offset-tab_x) - close_button_width);
-    
+
     // draw tab text
     dc.DrawText(draw_text,
                 text_offset,
     // draw tab text
     dc.DrawText(draw_text,
                 text_offset,
-                (tab_y + tab_height)/2 - (texty/2));
+                drawn_tab_yoff + (drawn_tab_height)/2 - (texty/2) - 1);
+
+    // draw focus rectangle
+    if (page.active && (wnd->FindFocus() == wnd))
+    {
+        wxRect focusRectText(text_offset, (drawn_tab_yoff + (drawn_tab_height)/2 - (texty/2) - 1),
+            selected_textx, selected_texty);
 
 
+        wxRect focusRect;
+        wxRect focusRectBitmap;
 
 
+        if (page.bitmap.IsOk())
+            focusRectBitmap = wxRect(bitmap_offset, drawn_tab_yoff + (drawn_tab_height/2) - (page.bitmap.GetHeight()/2),
+                                            page.bitmap.GetWidth(), page.bitmap.GetHeight());
 
 
+        if (page.bitmap.IsOk() && draw_text.IsEmpty())
+            focusRect = focusRectBitmap;
+        else if (!page.bitmap.IsOk() && !draw_text.IsEmpty())
+            focusRect = focusRectText;
+        else if (page.bitmap.IsOk() && !draw_text.IsEmpty())
+            focusRect = focusRectText.Union(focusRectBitmap);
+
+        focusRect.Inflate(2, 2);
+
+        wxRendererNative::Get().DrawFocusRect(wnd, dc, focusRect, 0);
+    }
 
     // draw close button if necessary
     if (close_button_state != wxAUI_BUTTON_STATE_HIDDEN)
 
     // draw close button if necessary
     if (close_button_state != wxAUI_BUTTON_STATE_HIDDEN)
@@ -452,19 +594,19 @@ void wxAuiDefaultTabArt::DrawTab(wxDC& dc,
         {
             bmp = m_active_close_bmp;
         }
         {
             bmp = m_active_close_bmp;
         }
-        
+
         wxRect rect(tab_x + tab_width - close_button_width - 1,
                     tab_y + (tab_height/2) - (bmp.GetHeight()/2),
                     close_button_width,
                     tab_height);
         IndentPressedBitmap(&rect, close_button_state);
         dc.DrawBitmap(bmp, rect.x, rect.y, true);
         wxRect rect(tab_x + tab_width - close_button_width - 1,
                     tab_y + (tab_height/2) - (bmp.GetHeight()/2),
                     close_button_width,
                     tab_height);
         IndentPressedBitmap(&rect, close_button_state);
         dc.DrawBitmap(bmp, rect.x, rect.y, true);
-        
+
         *out_button_rect = rect;
     }
         *out_button_rect = rect;
     }
-    
+
     *out_tab_rect = wxRect(tab_x, tab_y, tab_width, tab_height);
     *out_tab_rect = wxRect(tab_x, tab_y, tab_width, tab_height);
-    
+
     dc.DestroyClippingRegion();
 }
 
     dc.DestroyClippingRegion();
 }
 
@@ -476,32 +618,45 @@ int wxAuiDefaultTabArt::GetIndentSize()
 wxSize wxAuiDefaultTabArt::GetTabSize(wxDC& dc,
                                       wxWindow* WXUNUSED(wnd),
                                       const wxString& caption,
 wxSize wxAuiDefaultTabArt::GetTabSize(wxDC& dc,
                                       wxWindow* WXUNUSED(wnd),
                                       const wxString& caption,
+                                      const wxBitmap& bitmap,
                                       bool WXUNUSED(active),
                                       int close_button_state,
                                       int* x_extent)
 {
     wxCoord measured_textx, measured_texty, tmp;
                                       bool WXUNUSED(active),
                                       int close_button_state,
                                       int* x_extent)
 {
     wxCoord measured_textx, measured_texty, tmp;
-    
+
     dc.SetFont(m_measuring_font);
     dc.GetTextExtent(caption, &measured_textx, &measured_texty);
     dc.SetFont(m_measuring_font);
     dc.GetTextExtent(caption, &measured_textx, &measured_texty);
-    
+
     dc.GetTextExtent(wxT("ABCDEFXj"), &tmp, &measured_texty);
     dc.GetTextExtent(wxT("ABCDEFXj"), &tmp, &measured_texty);
-    
+
     // add padding around the text
     // add padding around the text
-    wxCoord tab_width = measured_textx + 16;
-    wxCoord tab_height = measured_texty + 10;
+    wxCoord tab_width = measured_textx;
+    wxCoord tab_height = measured_texty;
 
 
+    // if the close button is showing, add space for it
     if (close_button_state != wxAUI_BUTTON_STATE_HIDDEN)
         tab_width += m_active_close_bmp.GetWidth() + 3;
 
     if (close_button_state != wxAUI_BUTTON_STATE_HIDDEN)
         tab_width += m_active_close_bmp.GetWidth() + 3;
 
+    // if there's a bitmap, add space for it
+    if (bitmap.IsOk())
+    {
+        tab_width += bitmap.GetWidth();
+        tab_width += 3; // right side bitmap padding
+        tab_height = wxMax(tab_height, bitmap.GetHeight());
+    }
+
+    // add padding
+    tab_width += 16;
+    tab_height += 10;
 
     if (m_flags & wxAUI_NB_TAB_FIXED_WIDTH)
     {
         tab_width = m_fixed_tab_width;
     }
 
     if (m_flags & wxAUI_NB_TAB_FIXED_WIDTH)
     {
         tab_width = m_fixed_tab_width;
     }
-    
+
     *x_extent = tab_width;
     *x_extent = tab_width;
-    
+
     return wxSize(tab_width, tab_height);
 }
 
     return wxSize(tab_width, tab_height);
 }
 
@@ -512,52 +667,45 @@ void wxAuiDefaultTabArt::DrawButton(wxDC& dc,
                                     int bitmap_id,
                                     int button_state,
                                     int orientation,
                                     int bitmap_id,
                                     int button_state,
                                     int orientation,
-                                    const wxBitmap& bitmap_override,
                                     wxRect* out_rect)
 {
     wxBitmap bmp;
     wxRect rect;
                                     wxRect* out_rect)
 {
     wxBitmap bmp;
     wxRect rect;
-    
-    if (bitmap_override.IsOk())
-    {
-        bmp = bitmap_override;
-    }
-     else
+
+    switch (bitmap_id)
     {
     {
-        switch (bitmap_id)
-        {
-            case wxAUI_BUTTON_CLOSE:
-                if (button_state & wxAUI_BUTTON_STATE_DISABLED)
-                    bmp = m_disabled_close_bmp;
-                     else
-                    bmp = m_active_close_bmp;
-                break;
-            case wxAUI_BUTTON_LEFT:
-                if (button_state & wxAUI_BUTTON_STATE_DISABLED)
-                    bmp = m_disabled_left_bmp;
-                     else
-                    bmp = m_active_left_bmp;
-                break;
-            case wxAUI_BUTTON_RIGHT:
-                if (button_state & wxAUI_BUTTON_STATE_DISABLED)
-                    bmp = m_disabled_right_bmp;
-                     else
-                    bmp = m_active_right_bmp;
-                break;
-            case wxAUI_BUTTON_WINDOWLIST:
-                if (button_state & wxAUI_BUTTON_STATE_DISABLED)
-                    bmp = m_disabled_windowlist_bmp;
-                     else
-                    bmp = m_active_windowlist_bmp;
-                break;
-        }
+        case wxAUI_BUTTON_CLOSE:
+            if (button_state & wxAUI_BUTTON_STATE_DISABLED)
+                bmp = m_disabled_close_bmp;
+            else
+                bmp = m_active_close_bmp;
+            break;
+        case wxAUI_BUTTON_LEFT:
+            if (button_state & wxAUI_BUTTON_STATE_DISABLED)
+                bmp = m_disabled_left_bmp;
+            else
+                bmp = m_active_left_bmp;
+            break;
+        case wxAUI_BUTTON_RIGHT:
+            if (button_state & wxAUI_BUTTON_STATE_DISABLED)
+                bmp = m_disabled_right_bmp;
+            else
+                bmp = m_active_right_bmp;
+            break;
+        case wxAUI_BUTTON_WINDOWLIST:
+            if (button_state & wxAUI_BUTTON_STATE_DISABLED)
+                bmp = m_disabled_windowlist_bmp;
+            else
+                bmp = m_active_windowlist_bmp;
+            break;
     }
 
     }
 
+
     if (!bmp.IsOk())
         return;
     if (!bmp.IsOk())
         return;
-        
+
     rect = in_rect;
     rect = in_rect;
-    
+
     if (orientation == wxLEFT)
     {
         rect.SetX(in_rect.x);
     if (orientation == wxLEFT)
     {
         rect.SetX(in_rect.x);
@@ -565,75 +713,109 @@ void wxAuiDefaultTabArt::DrawButton(wxDC& dc,
         rect.SetWidth(bmp.GetWidth());
         rect.SetHeight(bmp.GetHeight());
     }
         rect.SetWidth(bmp.GetWidth());
         rect.SetHeight(bmp.GetHeight());
     }
-     else
+    else
     {
         rect = wxRect(in_rect.x + in_rect.width - bmp.GetWidth(),
                       ((in_rect.y + in_rect.height)/2) - (bmp.GetHeight()/2),
                       bmp.GetWidth(), bmp.GetHeight());
     }
     {
         rect = wxRect(in_rect.x + in_rect.width - bmp.GetWidth(),
                       ((in_rect.y + in_rect.height)/2) - (bmp.GetHeight()/2),
                       bmp.GetWidth(), bmp.GetHeight());
     }
-    
+
     IndentPressedBitmap(&rect, button_state);
     dc.DrawBitmap(bmp, rect.x, rect.y, true);
     IndentPressedBitmap(&rect, button_state);
     dc.DrawBitmap(bmp, rect.x, rect.y, true);
-    
+
     *out_rect = rect;
 }
 
     *out_rect = rect;
 }
 
-
-int wxAuiDefaultTabArt::ShowWindowList(wxWindow* wnd,
-                                       const wxArrayString& items,
-                                       int active_idx)
+int wxAuiDefaultTabArt::ShowDropDown(wxWindow* wnd,
+                                     const wxAuiNotebookPageArray& pages,
+                                     int /*active_idx*/)
 {
 {
-       wxMenu menuPopup;
+    wxMenu menuPopup;
 
 
-    size_t i, count = items.GetCount();
+    size_t i, count = pages.GetCount();
     for (i = 0; i < count; ++i)
     {
     for (i = 0; i < count; ++i)
     {
-        menuPopup.AppendCheckItem(1000+i, items.Item(i));
-    }
-    
-    if (active_idx != -1)
-    {
-        menuPopup.Check(1000+active_idx, true);
+        const wxAuiNotebookPage& page = pages.Item(i);
+        wxString caption = page.caption;
+
+        // if there is no caption, make it a space.  This will prevent
+        // an assert in the menu code.
+        if (caption.IsEmpty())
+            caption = wxT(" ");
+
+        wxMenuItem* item = new wxMenuItem(NULL, 1000+i, caption);
+        if (page.bitmap.IsOk())
+            item->SetBitmap(page.bitmap);
+        menuPopup.Append(item);
     }
     }
-    
-    // find out where to put the popup menu of window
-    // items.  Subtract 100 for now to center the menu
-    // a bit, until a better mechanism can be implemented
+
+    // find out where to put the popup menu of window items
     wxPoint pt = ::wxGetMousePosition();
     pt = wnd->ScreenToClient(pt);
     wxPoint pt = ::wxGetMousePosition();
     pt = wnd->ScreenToClient(pt);
-    if (pt.x < 100)
-        pt.x = 0;
-         else
-        pt.x -= 100;
-    
+
     // find out the screen coordinate at the bottom of the tab ctrl
     wxRect cli_rect = wnd->GetClientRect();
     pt.y = cli_rect.y + cli_rect.height;
     // find out the screen coordinate at the bottom of the tab ctrl
     wxRect cli_rect = wnd->GetClientRect();
     pt.y = cli_rect.y + cli_rect.height;
-    
+
     wxAuiCommandCapture* cc = new wxAuiCommandCapture;
     wnd->PushEventHandler(cc);
     wnd->PopupMenu(&menuPopup, pt);
     int command = cc->GetCommandId();
     wnd->PopEventHandler(true);
     wxAuiCommandCapture* cc = new wxAuiCommandCapture;
     wnd->PushEventHandler(cc);
     wnd->PopupMenu(&menuPopup, pt);
     int command = cc->GetCommandId();
     wnd->PopEventHandler(true);
-    
+
     if (command >= 1000)
         return command-1000;
     if (command >= 1000)
         return command-1000;
-        
+
     return -1;
 }
 
     return -1;
 }
 
-int wxAuiDefaultTabArt::GetBestTabCtrlSize(wxWindow* wnd)
+int wxAuiDefaultTabArt::GetBestTabCtrlSize(wxWindow* wnd,
+                                           const wxAuiNotebookPageArray& pages,
+                                           const wxSize& required_bmp_size)
 {
     wxClientDC dc(wnd);
     dc.SetFont(m_measuring_font);
 {
     wxClientDC dc(wnd);
     dc.SetFont(m_measuring_font);
-    int x_ext = 0;
-    wxSize s = GetTabSize(dc,
-                          wnd,
-                          wxT("ABCDEFGHIj"),
-                          true,
-                          wxAUI_BUTTON_STATE_HIDDEN,
-                          &x_ext);
-    return s.y+3;
+
+    // sometimes a standard bitmap size needs to be enforced, especially
+    // if some tabs have bitmaps and others don't.  This is important because
+    // it prevents the tab control from resizing when tabs are added.
+    wxBitmap measure_bmp;
+    if (required_bmp_size.IsFullySpecified())
+    {
+        measure_bmp.Create(required_bmp_size.x,
+                           required_bmp_size.y);
+    }
+
+
+    int max_y = 0;
+    size_t i, page_count = pages.GetCount();
+    for (i = 0; i < page_count; ++i)
+    {
+        wxAuiNotebookPage& page = pages.Item(i);
+
+        wxBitmap bmp;
+        if (measure_bmp.IsOk())
+            bmp = measure_bmp;
+        else
+            bmp = page.bitmap;
+
+        // we don't use the caption text because we don't
+        // want tab heights to be different in the case
+        // of a very short piece of text on one tab and a very
+        // tall piece of text on another tab
+        int x_ext = 0;
+        wxSize s = GetTabSize(dc,
+                              wnd,
+                              wxT("ABCDEFGHIj"),
+                              bmp,
+                              true,
+                              wxAUI_BUTTON_STATE_HIDDEN,
+                              &x_ext);
+
+        max_y = wxMax(max_y, s.y);
+    }
+
+    return max_y+2;
 }
 
 void wxAuiDefaultTabArt::SetNormalFont(const wxFont& font)
 }
 
 void wxAuiDefaultTabArt::SetNormalFont(const wxFont& font)
@@ -666,7 +848,7 @@ wxAuiSimpleTabArt::wxAuiSimpleTabArt()
 
     wxColour base_colour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
 
 
     wxColour base_colour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
 
-    wxColour background_colour = StepColour(base_colour, 95);
+    wxColour background_colour = base_colour;
     wxColour normaltab_colour = base_colour;
     wxColour selectedtab_colour = *wxWHITE;
 
     wxColour normaltab_colour = base_colour;
     wxColour selectedtab_colour = *wxWHITE;
 
@@ -675,19 +857,19 @@ wxAuiSimpleTabArt::wxAuiSimpleTabArt()
     m_normal_bkpen = wxPen(normaltab_colour);
     m_selected_bkbrush = wxBrush(selectedtab_colour);
     m_selected_bkpen = wxPen(selectedtab_colour);
     m_normal_bkpen = wxPen(normaltab_colour);
     m_selected_bkbrush = wxBrush(selectedtab_colour);
     m_selected_bkpen = wxPen(selectedtab_colour);
-    
-    m_active_close_bmp = BitmapFromBits(close_bits, 16, 16, *wxBLACK);
-    m_disabled_close_bmp = BitmapFromBits(close_bits, 16, 16, wxColour(128,128,128));
-    
-    m_active_left_bmp = BitmapFromBits(left_bits, 16, 16, *wxBLACK);
-    m_disabled_left_bmp = BitmapFromBits(left_bits, 16, 16, wxColour(128,128,128));
-    
-    m_active_right_bmp = BitmapFromBits(right_bits, 16, 16, *wxBLACK);
-    m_disabled_right_bmp = BitmapFromBits(right_bits, 16, 16, wxColour(128,128,128));
-    
-    m_active_windowlist_bmp = BitmapFromBits(list_bits, 16, 16, *wxBLACK);
-    m_disabled_windowlist_bmp = BitmapFromBits(list_bits, 16, 16, wxColour(128,128,128));
-    
+
+    m_active_close_bmp = wxAuiBitmapFromBits(close_bits, 16, 16, *wxBLACK);
+    m_disabled_close_bmp = wxAuiBitmapFromBits(close_bits, 16, 16, wxColour(128,128,128));
+
+    m_active_left_bmp = wxAuiBitmapFromBits(left_bits, 16, 16, *wxBLACK);
+    m_disabled_left_bmp = wxAuiBitmapFromBits(left_bits, 16, 16, wxColour(128,128,128));
+
+    m_active_right_bmp = wxAuiBitmapFromBits(right_bits, 16, 16, *wxBLACK);
+    m_disabled_right_bmp = wxAuiBitmapFromBits(right_bits, 16, 16, wxColour(128,128,128));
+
+    m_active_windowlist_bmp = wxAuiBitmapFromBits(list_bits, 16, 16, *wxBLACK);
+    m_disabled_windowlist_bmp = wxAuiBitmapFromBits(list_bits, 16, 16, wxColour(128,128,128));
+
 }
 
 wxAuiSimpleTabArt::~wxAuiSimpleTabArt()
 }
 
 wxAuiSimpleTabArt::~wxAuiSimpleTabArt()
@@ -709,20 +891,26 @@ void wxAuiSimpleTabArt::SetSizingInfo(const wxSize& tab_ctrl_size,
                                       size_t tab_count)
 {
     m_fixed_tab_width = 100;
                                       size_t tab_count)
 {
     m_fixed_tab_width = 100;
-    
+
     int tot_width = (int)tab_ctrl_size.x - GetIndentSize() - 4;
     int tot_width = (int)tab_ctrl_size.x - GetIndentSize() - 4;
+
+    if (m_flags & wxAUI_NB_CLOSE_BUTTON)
+        tot_width -= m_active_close_bmp.GetWidth();
+    if (m_flags & wxAUI_NB_WINDOWLIST_BUTTON)
+        tot_width -= m_active_windowlist_bmp.GetWidth();
+
     if (tab_count > 0)
     {
         m_fixed_tab_width = tot_width/(int)tab_count;
     }
     if (tab_count > 0)
     {
         m_fixed_tab_width = tot_width/(int)tab_count;
     }
-    
-    
+
+
     if (m_fixed_tab_width < 100)
         m_fixed_tab_width = 100;
     if (m_fixed_tab_width < 100)
         m_fixed_tab_width = 100;
-        
+
     if (m_fixed_tab_width > tot_width/2)
         m_fixed_tab_width = tot_width/2;
     if (m_fixed_tab_width > tot_width/2)
         m_fixed_tab_width = tot_width/2;
-        
+
     if (m_fixed_tab_width > 220)
         m_fixed_tab_width = 220;
 }
     if (m_fixed_tab_width > 220)
         m_fixed_tab_width = 220;
 }
@@ -753,9 +941,8 @@ void wxAuiSimpleTabArt::DrawBackground(wxDC& dc,
 
 void wxAuiSimpleTabArt::DrawTab(wxDC& dc,
                                 wxWindow* wnd,
 
 void wxAuiSimpleTabArt::DrawTab(wxDC& dc,
                                 wxWindow* wnd,
+                                const wxAuiNotebookPage& page,
                                 const wxRect& in_rect,
                                 const wxRect& in_rect,
-                                const wxString& caption_text,
-                                bool active,
                                 int close_button_state,
                                 wxRect* out_tab_rect,
                                 wxRect* out_button_rect,
                                 int close_button_state,
                                 wxRect* out_tab_rect,
                                 wxRect* out_button_rect,
@@ -764,31 +951,37 @@ void wxAuiSimpleTabArt::DrawTab(wxDC& dc,
     wxCoord normal_textx, normal_texty;
     wxCoord selected_textx, selected_texty;
     wxCoord textx, texty;
     wxCoord normal_textx, normal_texty;
     wxCoord selected_textx, selected_texty;
     wxCoord textx, texty;
-    
+
     // if the caption is empty, measure some temporary text
     // if the caption is empty, measure some temporary text
-    wxString caption = caption_text;
-    if (caption_text.empty())
+    wxString caption = page.caption;
+    if (caption.empty())
         caption = wxT("Xj");
         caption = wxT("Xj");
-            
+
     dc.SetFont(m_selected_font);
     dc.GetTextExtent(caption, &selected_textx, &selected_texty);
     dc.SetFont(m_selected_font);
     dc.GetTextExtent(caption, &selected_textx, &selected_texty);
-    
+
     dc.SetFont(m_normal_font);
     dc.GetTextExtent(caption, &normal_textx, &normal_texty);
     dc.SetFont(m_normal_font);
     dc.GetTextExtent(caption, &normal_textx, &normal_texty);
-        
+
     // figure out the size of the tab
     // figure out the size of the tab
-    wxSize tab_size = GetTabSize(dc, wnd, caption, active, close_button_state, x_extent);
+    wxSize tab_size = GetTabSize(dc,
+                                 wnd,
+                                 page.caption,
+                                 page.bitmap,
+                                 page.active,
+                                 close_button_state,
+                                 x_extent);
 
     wxCoord tab_height = tab_size.y;
     wxCoord tab_width = tab_size.x;
     wxCoord tab_x = in_rect.x;
     wxCoord tab_y = in_rect.y + in_rect.height - tab_height;
 
 
     wxCoord tab_height = tab_size.y;
     wxCoord tab_width = tab_size.x;
     wxCoord tab_x = in_rect.x;
     wxCoord tab_y = in_rect.y + in_rect.height - tab_height;
 
-    caption = caption_text;
+    caption = page.caption;
 
     // select pen, brush and font for the tab to be drawn
 
 
     // select pen, brush and font for the tab to be drawn
 
-    if (active)
+    if (page.active)
     {
         dc.SetPen(m_selected_bkpen);
         dc.SetBrush(m_selected_bkbrush);
     {
         dc.SetPen(m_selected_bkpen);
         dc.SetBrush(m_selected_bkbrush);
@@ -796,7 +989,7 @@ void wxAuiSimpleTabArt::DrawTab(wxDC& dc,
         textx = selected_textx;
         texty = selected_texty;
     }
         textx = selected_textx;
         texty = selected_texty;
     }
-     else
+    else
     {
         dc.SetPen(m_normal_bkpen);
         dc.SetBrush(m_normal_bkbrush);
     {
         dc.SetPen(m_normal_bkpen);
         dc.SetBrush(m_normal_bkbrush);
@@ -825,12 +1018,12 @@ void wxAuiSimpleTabArt::DrawTab(wxDC& dc,
 
     dc.SetClippingRegion(in_rect);
 
 
     dc.SetClippingRegion(in_rect);
 
-    dc.DrawPolygon(6, points);
+    dc.DrawPolygon(WXSIZEOF(points) - 1, points);
 
     dc.SetPen(*wxGREY_PEN);
 
 
     dc.SetPen(*wxGREY_PEN);
 
-    //dc.DrawLines(active ? 6 : 7, points);
-    dc.DrawLines(7, points);
+    //dc.DrawLines(active ? WXSIZEOF(points) - 1 : WXSIZEOF(points), points);
+    dc.DrawLines(WXSIZEOF(points), points);
 
 
     int text_offset;
 
 
     int text_offset;
@@ -841,17 +1034,17 @@ void wxAuiSimpleTabArt::DrawTab(wxDC& dc,
         close_button_width = m_active_close_bmp.GetWidth();
         text_offset = tab_x + (tab_height/2) + ((tab_width-close_button_width)/2) - (textx/2);
     }
         close_button_width = m_active_close_bmp.GetWidth();
         text_offset = tab_x + (tab_height/2) + ((tab_width-close_button_width)/2) - (textx/2);
     }
-     else
+    else
     {
         text_offset = tab_x + (tab_height/3) + (tab_width/2) - (textx/2);
     }
     {
         text_offset = tab_x + (tab_height/3) + (tab_width/2) - (textx/2);
     }
-    
+
     // set minimum text offset
     if (text_offset < tab_x + tab_height)
         text_offset = tab_x + tab_height;
 
     // chop text if necessary
     // set minimum text offset
     if (text_offset < tab_x + tab_height)
         text_offset = tab_x + tab_height;
 
     // chop text if necessary
-    wxString draw_text = ChopText(dc,
+    wxString draw_text = wxAuiChopText(dc,
                           caption,
                           tab_width - (text_offset-tab_x) - close_button_width);
 
                           caption,
                           tab_width - (text_offset-tab_x) - close_button_width);
 
@@ -861,27 +1054,38 @@ void wxAuiSimpleTabArt::DrawTab(wxDC& dc,
                  (tab_y + tab_height)/2 - (texty/2) + 1);
 
 
                  (tab_y + tab_height)/2 - (texty/2) + 1);
 
 
+    // draw focus rectangle
+    if (page.active && (wnd->FindFocus() == wnd))
+    {
+        wxRect focusRect(text_offset, ((tab_y + tab_height)/2 - (texty/2) + 1),
+            selected_textx, selected_texty);
+
+        focusRect.Inflate(2, 2);
+
+        wxRendererNative::Get().DrawFocusRect(wnd, dc, focusRect, 0);
+    }
+
     // draw close button if necessary
     if (close_button_state != wxAUI_BUTTON_STATE_HIDDEN)
     {
         wxBitmap bmp;
     // draw close button if necessary
     if (close_button_state != wxAUI_BUTTON_STATE_HIDDEN)
     {
         wxBitmap bmp;
-        if (active)
+        if (page.active)
             bmp = m_active_close_bmp;
             bmp = m_active_close_bmp;
-             else
+        else
             bmp = m_disabled_close_bmp;
             bmp = m_disabled_close_bmp;
-            
+
         wxRect rect(tab_x + tab_width - close_button_width - 1,
                     tab_y + (tab_height/2) - (bmp.GetHeight()/2) + 1,
                     close_button_width,
                     tab_height - 1);
         DrawButtons(dc, rect, bmp, *wxWHITE, close_button_state);
         wxRect rect(tab_x + tab_width - close_button_width - 1,
                     tab_y + (tab_height/2) - (bmp.GetHeight()/2) + 1,
                     close_button_width,
                     tab_height - 1);
         DrawButtons(dc, rect, bmp, *wxWHITE, close_button_state);
-        
+
         *out_button_rect = rect;
     }
 
 
     *out_tab_rect = wxRect(tab_x, tab_y, tab_width, tab_height);
         *out_button_rect = rect;
     }
 
 
     *out_tab_rect = wxRect(tab_x, tab_y, tab_width, tab_height);
-    
+
     dc.DestroyClippingRegion();
 }
 
     dc.DestroyClippingRegion();
 }
 
@@ -893,26 +1097,27 @@ int wxAuiSimpleTabArt::GetIndentSize()
 wxSize wxAuiSimpleTabArt::GetTabSize(wxDC& dc,
                                      wxWindow* WXUNUSED(wnd),
                                      const wxString& caption,
 wxSize wxAuiSimpleTabArt::GetTabSize(wxDC& dc,
                                      wxWindow* WXUNUSED(wnd),
                                      const wxString& caption,
+                                     const wxBitmap& WXUNUSED(bitmap),
                                      bool WXUNUSED(active),
                                      int close_button_state,
                                      int* x_extent)
 {
     wxCoord measured_textx, measured_texty;
                                      bool WXUNUSED(active),
                                      int close_button_state,
                                      int* x_extent)
 {
     wxCoord measured_textx, measured_texty;
-    
+
     dc.SetFont(m_measuring_font);
     dc.GetTextExtent(caption, &measured_textx, &measured_texty);
     dc.SetFont(m_measuring_font);
     dc.GetTextExtent(caption, &measured_textx, &measured_texty);
-    
+
     wxCoord tab_height = measured_texty + 4;
     wxCoord tab_width = measured_textx + tab_height + 5;
 
     if (close_button_state != wxAUI_BUTTON_STATE_HIDDEN)
         tab_width += m_active_close_bmp.GetWidth();
     wxCoord tab_height = measured_texty + 4;
     wxCoord tab_width = measured_textx + tab_height + 5;
 
     if (close_button_state != wxAUI_BUTTON_STATE_HIDDEN)
         tab_width += m_active_close_bmp.GetWidth();
-        
+
     if (m_flags & wxAUI_NB_TAB_FIXED_WIDTH)
     {
         tab_width = m_fixed_tab_width;
     }
     if (m_flags & wxAUI_NB_TAB_FIXED_WIDTH)
     {
         tab_width = m_fixed_tab_width;
     }
-    
+
     *x_extent = tab_width - (tab_height/2) - 1;
 
     return wxSize(tab_width, tab_height);
     *x_extent = tab_width - (tab_height/2) - 1;
 
     return wxSize(tab_width, tab_height);
@@ -925,52 +1130,44 @@ void wxAuiSimpleTabArt::DrawButton(wxDC& dc,
                                    int bitmap_id,
                                    int button_state,
                                    int orientation,
                                    int bitmap_id,
                                    int button_state,
                                    int orientation,
-                                   const wxBitmap& bitmap_override,
                                    wxRect* out_rect)
 {
     wxBitmap bmp;
     wxRect rect;
                                    wxRect* out_rect)
 {
     wxBitmap bmp;
     wxRect rect;
-    
-    if (bitmap_override.IsOk())
-    {
-        bmp = bitmap_override;
-    }
-     else
+
+    switch (bitmap_id)
     {
     {
-        switch (bitmap_id)
-        {
-            case wxAUI_BUTTON_CLOSE:
-                if (button_state & wxAUI_BUTTON_STATE_DISABLED)
-                    bmp = m_disabled_close_bmp;
-                     else
-                    bmp = m_active_close_bmp;
-                break;
-            case wxAUI_BUTTON_LEFT:
-                if (button_state & wxAUI_BUTTON_STATE_DISABLED)
-                    bmp = m_disabled_left_bmp;
-                     else
-                    bmp = m_active_left_bmp;
-                break;
-            case wxAUI_BUTTON_RIGHT:
-                if (button_state & wxAUI_BUTTON_STATE_DISABLED)
-                    bmp = m_disabled_right_bmp;
-                     else
-                    bmp = m_active_right_bmp;
-                break;
-            case wxAUI_BUTTON_WINDOWLIST:
-                if (button_state & wxAUI_BUTTON_STATE_DISABLED)
-                    bmp = m_disabled_windowlist_bmp;
-                     else
-                    bmp = m_active_windowlist_bmp;
-                break;
-        }
+        case wxAUI_BUTTON_CLOSE:
+            if (button_state & wxAUI_BUTTON_STATE_DISABLED)
+                bmp = m_disabled_close_bmp;
+            else
+                bmp = m_active_close_bmp;
+            break;
+        case wxAUI_BUTTON_LEFT:
+            if (button_state & wxAUI_BUTTON_STATE_DISABLED)
+                bmp = m_disabled_left_bmp;
+            else
+                bmp = m_active_left_bmp;
+            break;
+        case wxAUI_BUTTON_RIGHT:
+            if (button_state & wxAUI_BUTTON_STATE_DISABLED)
+                bmp = m_disabled_right_bmp;
+            else
+                bmp = m_active_right_bmp;
+            break;
+        case wxAUI_BUTTON_WINDOWLIST:
+            if (button_state & wxAUI_BUTTON_STATE_DISABLED)
+                bmp = m_disabled_windowlist_bmp;
+            else
+                bmp = m_active_windowlist_bmp;
+            break;
     }
 
     if (!bmp.IsOk())
         return;
     }
 
     if (!bmp.IsOk())
         return;
-        
+
     rect = in_rect;
     rect = in_rect;
-    
+
     if (orientation == wxLEFT)
     {
         rect.SetX(in_rect.x);
     if (orientation == wxLEFT)
     {
         rect.SetX(in_rect.x);
@@ -978,37 +1175,37 @@ void wxAuiSimpleTabArt::DrawButton(wxDC& dc,
         rect.SetWidth(bmp.GetWidth());
         rect.SetHeight(bmp.GetHeight());
     }
         rect.SetWidth(bmp.GetWidth());
         rect.SetHeight(bmp.GetHeight());
     }
-     else
+    else
     {
         rect = wxRect(in_rect.x + in_rect.width - bmp.GetWidth(),
                       ((in_rect.y + in_rect.height)/2) - (bmp.GetHeight()/2),
                       bmp.GetWidth(), bmp.GetHeight());
     }
     {
         rect = wxRect(in_rect.x + in_rect.width - bmp.GetWidth(),
                       ((in_rect.y + in_rect.height)/2) - (bmp.GetHeight()/2),
                       bmp.GetWidth(), bmp.GetHeight());
     }
-    
-        
+
+
     DrawButtons(dc, rect, bmp, *wxWHITE, button_state);
     DrawButtons(dc, rect, bmp, *wxWHITE, button_state);
-    
+
     *out_rect = rect;
 }
 
     *out_rect = rect;
 }
 
-
-int wxAuiSimpleTabArt::ShowWindowList(wxWindow* wnd,
-                                      const wxArrayString& items,
-                                      int active_idx)
+int wxAuiSimpleTabArt::ShowDropDown(wxWindow* wnd,
+                                    const wxAuiNotebookPageArray& pages,
+                                    int active_idx)
 {
 {
-       wxMenu menuPopup;
+    wxMenu menuPopup;
 
 
-    size_t i, count = items.GetCount();
+    size_t i, count = pages.GetCount();
     for (i = 0; i < count; ++i)
     {
     for (i = 0; i < count; ++i)
     {
-        menuPopup.AppendCheckItem(1000+i, items.Item(i));
+        const wxAuiNotebookPage& page = pages.Item(i);
+        menuPopup.AppendCheckItem(1000+i, page.caption);
     }
     }
-    
+
     if (active_idx != -1)
     {
         menuPopup.Check(1000+active_idx, true);
     }
     if (active_idx != -1)
     {
         menuPopup.Check(1000+active_idx, true);
     }
-    
+
     // find out where to put the popup menu of window
     // items.  Subtract 100 for now to center the menu
     // a bit, until a better mechanism can be implemented
     // find out where to put the popup menu of window
     // items.  Subtract 100 for now to center the menu
     // a bit, until a better mechanism can be implemented
@@ -1016,26 +1213,28 @@ int wxAuiSimpleTabArt::ShowWindowList(wxWindow* wnd,
     pt = wnd->ScreenToClient(pt);
     if (pt.x < 100)
         pt.x = 0;
     pt = wnd->ScreenToClient(pt);
     if (pt.x < 100)
         pt.x = 0;
-         else
+    else
         pt.x -= 100;
         pt.x -= 100;
-    
+
     // find out the screen coordinate at the bottom of the tab ctrl
     wxRect cli_rect = wnd->GetClientRect();
     pt.y = cli_rect.y + cli_rect.height;
     // find out the screen coordinate at the bottom of the tab ctrl
     wxRect cli_rect = wnd->GetClientRect();
     pt.y = cli_rect.y + cli_rect.height;
-    
+
     wxAuiCommandCapture* cc = new wxAuiCommandCapture;
     wnd->PushEventHandler(cc);
     wnd->PopupMenu(&menuPopup, pt);
     int command = cc->GetCommandId();
     wnd->PopEventHandler(true);
     wxAuiCommandCapture* cc = new wxAuiCommandCapture;
     wnd->PushEventHandler(cc);
     wnd->PopupMenu(&menuPopup, pt);
     int command = cc->GetCommandId();
     wnd->PopEventHandler(true);
-    
+
     if (command >= 1000)
         return command-1000;
     if (command >= 1000)
         return command-1000;
-        
+
     return -1;
 }
 
     return -1;
 }
 
-int wxAuiSimpleTabArt::GetBestTabCtrlSize(wxWindow* wnd)
+int wxAuiSimpleTabArt::GetBestTabCtrlSize(wxWindow* wnd,
+                                          const wxAuiNotebookPageArray& WXUNUSED(pages),
+                                          const wxSize& WXUNUSED(required_bmp_size))
 {
     wxClientDC dc(wnd);
     dc.SetFont(m_measuring_font);
 {
     wxClientDC dc(wnd);
     dc.SetFont(m_measuring_font);
@@ -1043,6 +1242,7 @@ int wxAuiSimpleTabArt::GetBestTabCtrlSize(wxWindow* wnd)
     wxSize s = GetTabSize(dc,
                           wnd,
                           wxT("ABCDEFGHIj"),
     wxSize s = GetTabSize(dc,
                           wnd,
                           wxT("ABCDEFGHIj"),
+                          wxNullBitmap,
                           true,
                           wxAUI_BUTTON_STATE_HIDDEN,
                           &x_ext);
                           true,
                           wxAUI_BUTTON_STATE_HIDDEN,
                           &x_ext);
@@ -1085,8 +1285,8 @@ wxAuiTabContainer::wxAuiTabContainer()
     m_tab_offset = 0;
     m_flags = 0;
     m_art = new wxAuiDefaultTabArt;
     m_tab_offset = 0;
     m_flags = 0;
     m_art = new wxAuiDefaultTabArt;
-    
-    AddButton(wxAUI_BUTTON_LEFT, wxLEFT);       
+
+    AddButton(wxAUI_BUTTON_LEFT, wxLEFT);
     AddButton(wxAUI_BUTTON_RIGHT, wxRIGHT);
     AddButton(wxAUI_BUTTON_WINDOWLIST, wxRIGHT);
     AddButton(wxAUI_BUTTON_CLOSE, wxRIGHT);
     AddButton(wxAUI_BUTTON_RIGHT, wxRIGHT);
     AddButton(wxAUI_BUTTON_WINDOWLIST, wxRIGHT);
     AddButton(wxAUI_BUTTON_CLOSE, wxRIGHT);
@@ -1101,14 +1301,14 @@ void wxAuiTabContainer::SetArtProvider(wxAuiTabArt* art)
 {
     delete m_art;
     m_art = art;
 {
     delete m_art;
     m_art = art;
-    
+
     if (m_art)
     {
         m_art->SetFlags(m_flags);
     }
 }
 
     if (m_art)
     {
         m_art->SetFlags(m_flags);
     }
 }
 
-wxAuiTabArt* wxAuiTabContainer::GetArtProvider()
+wxAuiTabArt* wxAuiTabContainer::GetArtProvider() const
 {
     return m_art;
 }
 {
     return m_art;
 }
@@ -1116,17 +1316,17 @@ wxAuiTabArt* wxAuiTabContainer::GetArtProvider()
 void wxAuiTabContainer::SetFlags(unsigned int flags)
 {
     m_flags = flags;
 void wxAuiTabContainer::SetFlags(unsigned int flags)
 {
     m_flags = flags;
-    
+
     // check for new close button settings
     // check for new close button settings
-    RemoveButton(wxAUI_BUTTON_LEFT);       
+    RemoveButton(wxAUI_BUTTON_LEFT);
     RemoveButton(wxAUI_BUTTON_RIGHT);
     RemoveButton(wxAUI_BUTTON_WINDOWLIST);
     RemoveButton(wxAUI_BUTTON_CLOSE);
     RemoveButton(wxAUI_BUTTON_RIGHT);
     RemoveButton(wxAUI_BUTTON_WINDOWLIST);
     RemoveButton(wxAUI_BUTTON_CLOSE);
-    
-    
+
+
     if (flags & wxAUI_NB_SCROLL_BUTTONS)
     {
     if (flags & wxAUI_NB_SCROLL_BUTTONS)
     {
-        AddButton(wxAUI_BUTTON_LEFT, wxLEFT);       
+        AddButton(wxAUI_BUTTON_LEFT, wxLEFT);
         AddButton(wxAUI_BUTTON_RIGHT, wxRIGHT);
     }
 
         AddButton(wxAUI_BUTTON_RIGHT, wxRIGHT);
     }
 
@@ -1134,12 +1334,12 @@ void wxAuiTabContainer::SetFlags(unsigned int flags)
     {
         AddButton(wxAUI_BUTTON_WINDOWLIST, wxRIGHT);
     }
     {
         AddButton(wxAUI_BUTTON_WINDOWLIST, wxRIGHT);
     }
-    
+
     if (flags & wxAUI_NB_CLOSE_BUTTON)
     {
         AddButton(wxAUI_BUTTON_CLOSE, wxRIGHT);
     }
     if (flags & wxAUI_NB_CLOSE_BUTTON)
     {
         AddButton(wxAUI_BUTTON_CLOSE, wxRIGHT);
     }
-    
+
     if (m_art)
     {
         m_art->SetFlags(m_flags);
     if (m_art)
     {
         m_art->SetFlags(m_flags);
@@ -1170,7 +1370,7 @@ void wxAuiTabContainer::SetMeasuringFont(const wxFont& font)
 void wxAuiTabContainer::SetRect(const wxRect& rect)
 {
     m_rect = rect;
 void wxAuiTabContainer::SetRect(const wxRect& rect)
 {
     m_rect = rect;
-    
+
     if (m_art)
     {
         m_art->SetSizingInfo(rect.GetSize(), m_pages.GetCount());
     if (m_art)
     {
         m_art->SetSizingInfo(rect.GetSize(), m_pages.GetCount());
@@ -1191,7 +1391,7 @@ bool wxAuiTabContainer::AddPage(wxWindow* page,
     {
         m_art->SetSizingInfo(m_rect.GetSize(), m_pages.GetCount());
     }
     {
         m_art->SetSizingInfo(m_rect.GetSize(), m_pages.GetCount());
     }
-    
+
     return true;
 }
 
     return true;
 }
 
@@ -1205,7 +1405,7 @@ bool wxAuiTabContainer::InsertPage(wxWindow* page,
 
     if (idx >= m_pages.GetCount())
         m_pages.Add(page_info);
 
     if (idx >= m_pages.GetCount())
         m_pages.Add(page_info);
-         else
+    else
         m_pages.Insert(page_info, idx);
 
     // let the art provider know how many pages we have
         m_pages.Insert(page_info, idx);
 
     // let the art provider know how many pages we have
@@ -1213,7 +1413,7 @@ bool wxAuiTabContainer::InsertPage(wxWindow* page,
     {
         m_art->SetSizingInfo(m_rect.GetSize(), m_pages.GetCount());
     }
     {
         m_art->SetSizingInfo(m_rect.GetSize(), m_pages.GetCount());
     }
-    
+
     return true;
 }
 
     return true;
 }
 
@@ -1223,16 +1423,16 @@ bool wxAuiTabContainer::MovePage(wxWindow* page,
     int idx = GetIdxFromWindow(page);
     if (idx == -1)
         return false;
     int idx = GetIdxFromWindow(page);
     if (idx == -1)
         return false;
-    
+
     // get page entry, make a copy of it
     wxAuiNotebookPage p = GetPage(idx);
     // get page entry, make a copy of it
     wxAuiNotebookPage p = GetPage(idx);
-    
+
     // remove old page entry
     RemovePage(page);
     // remove old page entry
     RemovePage(page);
-    
+
     // insert page where it should be
     InsertPage(page, p, new_idx);
     // insert page where it should be
     InsertPage(page, p, new_idx);
-        
+
     return true;
 }
 
     return true;
 }
 
@@ -1245,13 +1445,13 @@ bool wxAuiTabContainer::RemovePage(wxWindow* wnd)
         if (page.window == wnd)
         {
             m_pages.RemoveAt(i);
         if (page.window == wnd)
         {
             m_pages.RemoveAt(i);
-            
+
             // let the art provider know how many pages we have
             if (m_art)
             {
                 m_art->SetSizingInfo(m_rect.GetSize(), m_pages.GetCount());
             }
             // let the art provider know how many pages we have
             if (m_art)
             {
                 m_art->SetSizingInfo(m_rect.GetSize(), m_pages.GetCount());
             }
-             
+
             return true;
         }
     }
             return true;
         }
     }
@@ -1272,7 +1472,7 @@ bool wxAuiTabContainer::SetActivePage(wxWindow* wnd)
             page.active = true;
             found = true;
         }
             page.active = true;
             found = true;
         }
-         else
+        else
         {
             page.active = false;
         }
         {
             page.active = false;
         }
@@ -1322,14 +1522,14 @@ wxWindow* wxAuiTabContainer::GetWindowFromIdx(size_t idx) const
 
 int wxAuiTabContainer::GetIdxFromWindow(wxWindow* wnd) const
 {
 
 int wxAuiTabContainer::GetIdxFromWindow(wxWindow* wnd) const
 {
-    size_t i, page_count = m_pages.GetCount();
-    for (i = 0; i < page_count; ++i)
+    const size_t page_count = m_pages.GetCount();
+    for ( size_t i = 0; i < page_count; ++i )
     {
         wxAuiNotebookPage& page = m_pages.Item(i);
         if (page.window == wnd)
             return i;
     }
     {
         wxAuiNotebookPage& page = m_pages.Item(i);
         if (page.window == wnd)
             return i;
     }
-    return -1;
+    return wxNOT_FOUND;
 }
 
 wxAuiNotebookPage& wxAuiTabContainer::GetPage(size_t idx)
 }
 
 wxAuiNotebookPage& wxAuiTabContainer::GetPage(size_t idx)
@@ -1339,6 +1539,13 @@ wxAuiNotebookPage& wxAuiTabContainer::GetPage(size_t idx)
     return m_pages[idx];
 }
 
     return m_pages[idx];
 }
 
+const wxAuiNotebookPage& wxAuiTabContainer::GetPage(size_t idx) const
+{
+    wxASSERT_MSG(idx < m_pages.GetCount(), wxT("Invalid Page index"));
+
+    return m_pages[idx];
+}
+
 wxAuiNotebookPageArray& wxAuiTabContainer::GetPages()
 {
     return m_pages;
 wxAuiNotebookPageArray& wxAuiTabContainer::GetPages()
 {
     return m_pages;
@@ -1398,7 +1605,15 @@ void wxAuiTabContainer::SetTabOffset(size_t offset)
 // provide custom drawing capabilities
 void wxAuiTabContainer::Render(wxDC* raw_dc, wxWindow* wnd)
 {
 // provide custom drawing capabilities
 void wxAuiTabContainer::Render(wxDC* raw_dc, wxWindow* wnd)
 {
+    if (!raw_dc || !raw_dc->IsOk())
+        return;
+
     wxMemoryDC dc;
     wxMemoryDC dc;
+
+    // use the same layout direction as the window DC uses to ensure that the
+    // text is rendered correctly
+    dc.SetLayoutDirection(raw_dc->GetLayoutDirection());
+
     wxBitmap bmp;
     size_t i;
     size_t page_count = m_pages.GetCount();
     wxBitmap bmp;
     size_t i;
     size_t page_count = m_pages.GetCount();
@@ -1408,6 +1623,8 @@ void wxAuiTabContainer::Render(wxDC* raw_dc, wxWindow* wnd)
     bmp.Create(m_rect.GetWidth(), m_rect.GetHeight());
     dc.SelectObject(bmp);
 
     bmp.Create(m_rect.GetWidth(), m_rect.GetHeight());
     dc.SelectObject(bmp);
 
+    if (!dc.IsOk())
+        return;
 
     // find out if size of tabs is larger than can be
     // afforded on screen
 
     // find out if size of tabs is larger than can be
     // afforded on screen
@@ -1416,7 +1633,7 @@ void wxAuiTabContainer::Render(wxDC* raw_dc, wxWindow* wnd)
     for (i = 0; i < page_count; ++i)
     {
         wxAuiNotebookPage& page = m_pages.Item(i);
     for (i = 0; i < page_count; ++i)
     {
         wxAuiNotebookPage& page = m_pages.Item(i);
-        
+
         // determine if a close button is on this tab
         bool close_button = false;
         if ((m_flags & wxAUI_NB_CLOSE_ON_ALL_TABS) != 0 ||
         // determine if a close button is on this tab
         bool close_button = false;
         if ((m_flags & wxAUI_NB_CLOSE_ON_ALL_TABS) != 0 ||
@@ -1424,32 +1641,33 @@ void wxAuiTabContainer::Render(wxDC* raw_dc, wxWindow* wnd)
         {
             close_button = true;
         }
         {
             close_button = true;
         }
-        
-    
+
+
         int x_extent = 0;
         wxSize size = m_art->GetTabSize(dc,
                             wnd,
                             page.caption,
         int x_extent = 0;
         wxSize size = m_art->GetTabSize(dc,
                             wnd,
                             page.caption,
+                            page.bitmap,
                             page.active,
                             close_button ?
                               wxAUI_BUTTON_STATE_NORMAL :
                               wxAUI_BUTTON_STATE_HIDDEN,
                             &x_extent);
                             page.active,
                             close_button ?
                               wxAUI_BUTTON_STATE_NORMAL :
                               wxAUI_BUTTON_STATE_HIDDEN,
                             &x_extent);
-        
+
         if (i+1 < page_count)
             total_width += x_extent;
         if (i+1 < page_count)
             total_width += x_extent;
-             else
+        else
             total_width += size.x;
             total_width += size.x;
-            
+
         if (i >= m_tab_offset)
         {
             if (i+1 < page_count)
                 visible_width += x_extent;
         if (i >= m_tab_offset)
         {
             if (i+1 < page_count)
                 visible_width += x_extent;
-                 else
+            else
                 visible_width += size.x;
         }
     }
                 visible_width += size.x;
         }
     }
-    
+
     if (total_width > m_rect.GetWidth() || m_tab_offset != 0)
     {
         // show left/right buttons
     if (total_width > m_rect.GetWidth() || m_tab_offset != 0)
     {
         // show left/right buttons
@@ -1463,7 +1681,7 @@ void wxAuiTabContainer::Render(wxDC* raw_dc, wxWindow* wnd)
             }
         }
     }
             }
         }
     }
-     else
+    else
     {
         // hide left/right buttons
         for (i = 0; i < button_count; ++i)
     {
         // hide left/right buttons
         for (i = 0; i < button_count; ++i)
@@ -1485,14 +1703,14 @@ void wxAuiTabContainer::Render(wxDC* raw_dc, wxWindow* wnd)
         {
             if (m_tab_offset == 0)
                 button.cur_state |= wxAUI_BUTTON_STATE_DISABLED;
         {
             if (m_tab_offset == 0)
                 button.cur_state |= wxAUI_BUTTON_STATE_DISABLED;
-                 else
+            else
                 button.cur_state &= ~wxAUI_BUTTON_STATE_DISABLED;
         }
         if (button.id == wxAUI_BUTTON_RIGHT)
         {
             if (visible_width < m_rect.GetWidth() - ((int)button_count*16))
                 button.cur_state |= wxAUI_BUTTON_STATE_DISABLED;
                 button.cur_state &= ~wxAUI_BUTTON_STATE_DISABLED;
         }
         if (button.id == wxAUI_BUTTON_RIGHT)
         {
             if (visible_width < m_rect.GetWidth() - ((int)button_count*16))
                 button.cur_state |= wxAUI_BUTTON_STATE_DISABLED;
-                 else
+            else
                 button.cur_state &= ~wxAUI_BUTTON_STATE_DISABLED;
         }
     }
                 button.cur_state &= ~wxAUI_BUTTON_STATE_DISABLED;
         }
     }
@@ -1505,7 +1723,7 @@ void wxAuiTabContainer::Render(wxDC* raw_dc, wxWindow* wnd)
     // draw buttons
     int left_buttons_width = 0;
     int right_buttons_width = 0;
     // draw buttons
     int left_buttons_width = 0;
     int right_buttons_width = 0;
-    
+
     int offset = 0;
 
     // draw the buttons on the right side
     int offset = 0;
 
     // draw the buttons on the right side
@@ -1513,12 +1731,12 @@ void wxAuiTabContainer::Render(wxDC* raw_dc, wxWindow* wnd)
     for (i = 0; i < button_count; ++i)
     {
         wxAuiTabContainerButton& button = m_buttons.Item(button_count - i - 1);
     for (i = 0; i < button_count; ++i)
     {
         wxAuiTabContainerButton& button = m_buttons.Item(button_count - i - 1);
-        
+
         if (button.location != wxRIGHT)
             continue;
         if (button.cur_state & wxAUI_BUTTON_STATE_HIDDEN)
             continue;
         if (button.location != wxRIGHT)
             continue;
         if (button.cur_state & wxAUI_BUTTON_STATE_HIDDEN)
             continue;
-                
+
         wxRect button_rect = m_rect;
         button_rect.SetY(1);
         button_rect.SetWidth(offset);
         wxRect button_rect = m_rect;
         button_rect.SetY(1);
         button_rect.SetWidth(offset);
@@ -1529,7 +1747,6 @@ void wxAuiTabContainer::Render(wxDC* raw_dc, wxWindow* wnd)
                           button.id,
                           button.cur_state,
                           wxRIGHT,
                           button.id,
                           button.cur_state,
                           wxRIGHT,
-                          wxNullBitmap,
                           &button.rect);
 
         offset -= button.rect.GetWidth();
                           &button.rect);
 
         offset -= button.rect.GetWidth();
@@ -1539,18 +1756,18 @@ void wxAuiTabContainer::Render(wxDC* raw_dc, wxWindow* wnd)
 
 
     offset = 0;
 
 
     offset = 0;
-    
+
     // draw the buttons on the left side
 
     for (i = 0; i < button_count; ++i)
     {
         wxAuiTabContainerButton& button = m_buttons.Item(button_count - i - 1);
     // draw the buttons on the left side
 
     for (i = 0; i < button_count; ++i)
     {
         wxAuiTabContainerButton& button = m_buttons.Item(button_count - i - 1);
-        
+
         if (button.location != wxLEFT)
             continue;
         if (button.cur_state & wxAUI_BUTTON_STATE_HIDDEN)
             continue;
         if (button.location != wxLEFT)
             continue;
         if (button.cur_state & wxAUI_BUTTON_STATE_HIDDEN)
             continue;
-   
+
         wxRect button_rect(offset, 1, 1000, m_rect.height);
 
         m_art->DrawButton(dc,
         wxRect button_rect(offset, 1, 1000, m_rect.height);
 
         m_art->DrawButton(dc,
@@ -1559,19 +1776,24 @@ void wxAuiTabContainer::Render(wxDC* raw_dc, wxWindow* wnd)
                           button.id,
                           button.cur_state,
                           wxLEFT,
                           button.id,
                           button.cur_state,
                           wxLEFT,
-                          wxNullBitmap,
                           &button.rect);
                           &button.rect);
-                          
+
         offset += button.rect.GetWidth();
         left_buttons_width += button.rect.GetWidth();
     }
 
     offset = left_buttons_width;
         offset += button.rect.GetWidth();
         left_buttons_width += button.rect.GetWidth();
     }
 
     offset = left_buttons_width;
-    
+
     if (offset == 0)
     if (offset == 0)
-        offset += m_art->GetIndentSize();     
-    
+        offset += m_art->GetIndentSize();
+
+
     // prepare the tab-close-button array
     // prepare the tab-close-button array
+    // make sure tab button entries which aren't used are marked as hidden
+    for (i = page_count; i < m_tab_close_buttons.GetCount(); ++i)
+        m_tab_close_buttons.Item(i).cur_state = wxAUI_BUTTON_STATE_HIDDEN;
+
+    // make sure there are enough tab button entries to accommodate all tabs
     while (m_tab_close_buttons.GetCount() < page_count)
     {
         wxAuiTabContainerButton tempbtn;
     while (m_tab_close_buttons.GetCount() < page_count)
     {
         wxAuiTabContainerButton tempbtn;
@@ -1580,14 +1802,15 @@ void wxAuiTabContainer::Render(wxDC* raw_dc, wxWindow* wnd)
         tempbtn.cur_state = wxAUI_BUTTON_STATE_HIDDEN;
         m_tab_close_buttons.Add(tempbtn);
     }
         tempbtn.cur_state = wxAUI_BUTTON_STATE_HIDDEN;
         m_tab_close_buttons.Add(tempbtn);
     }
-    
+
+
+    // buttons before the tab offset must be set to hidden
     for (i = 0; i < m_tab_offset; ++i)
     {
     for (i = 0; i < m_tab_offset; ++i)
     {
-        // buttons before the tab offset must be set to hidden
         m_tab_close_buttons.Item(i).cur_state = wxAUI_BUTTON_STATE_HIDDEN;
     }
         m_tab_close_buttons.Item(i).cur_state = wxAUI_BUTTON_STATE_HIDDEN;
     }
-        
-                         
+
+
     // draw the tabs
 
     size_t active = 999;
     // draw the tabs
 
     size_t active = 999;
@@ -1605,11 +1828,9 @@ void wxAuiTabContainer::Render(wxDC* raw_dc, wxWindow* wnd)
         wxAuiTabContainerButton& tab_button = m_tab_close_buttons.Item(i);
 
         // determine if a close button is on this tab
         wxAuiTabContainerButton& tab_button = m_tab_close_buttons.Item(i);
 
         // determine if a close button is on this tab
-        bool close_button = false;
         if ((m_flags & wxAUI_NB_CLOSE_ON_ALL_TABS) != 0 ||
             ((m_flags & wxAUI_NB_CLOSE_ON_ACTIVE_TAB) != 0 && page.active))
         {
         if ((m_flags & wxAUI_NB_CLOSE_ON_ALL_TABS) != 0 ||
             ((m_flags & wxAUI_NB_CLOSE_ON_ACTIVE_TAB) != 0 && page.active))
         {
-            close_button = true;
             if (tab_button.cur_state == wxAUI_BUTTON_STATE_HIDDEN)
             {
                 tab_button.id = wxAUI_BUTTON_CLOSE;
             if (tab_button.cur_state == wxAUI_BUTTON_STATE_HIDDEN)
             {
                 tab_button.id = wxAUI_BUTTON_CLOSE;
@@ -1617,7 +1838,7 @@ void wxAuiTabContainer::Render(wxDC* raw_dc, wxWindow* wnd)
                 tab_button.location = wxCENTER;
             }
         }
                 tab_button.location = wxCENTER;
             }
         }
-         else
+        else
         {
             tab_button.cur_state = wxAUI_BUTTON_STATE_HIDDEN;
         }
         {
             tab_button.cur_state = wxAUI_BUTTON_STATE_HIDDEN;
         }
@@ -1628,14 +1849,10 @@ void wxAuiTabContainer::Render(wxDC* raw_dc, wxWindow* wnd)
         if (rect.width <= 0)
             break;
 
         if (rect.width <= 0)
             break;
 
-
-
-
         m_art->DrawTab(dc,
                        wnd,
         m_art->DrawTab(dc,
                        wnd,
+                       page,
                        rect,
                        rect,
-                       page.caption,
-                       page.active,
                        tab_button.cur_state,
                        &page.rect,
                        &tab_button.rect,
                        tab_button.cur_state,
                        &page.rect,
                        &tab_button.rect,
@@ -1647,10 +1864,18 @@ void wxAuiTabContainer::Render(wxDC* raw_dc, wxWindow* wnd)
             active_offset = offset;
             active_rect = rect;
         }
             active_offset = offset;
             active_rect = rect;
         }
-        
+
         offset += x_extent;
     }
 
         offset += x_extent;
     }
 
+
+    // make sure to deactivate buttons which are off the screen to the right
+    for (++i; i < m_tab_close_buttons.GetCount(); ++i)
+    {
+        m_tab_close_buttons.Item(i).cur_state = wxAUI_BUTTON_STATE_HIDDEN;
+    }
+
+
     // draw the active tab again so it stands in the foreground
     if (active >= m_tab_offset && active < m_pages.GetCount())
     {
     // draw the active tab again so it stands in the foreground
     if (active >= m_tab_offset && active < m_pages.GetCount())
     {
@@ -1658,32 +1883,164 @@ void wxAuiTabContainer::Render(wxDC* raw_dc, wxWindow* wnd)
 
         wxAuiTabContainerButton& tab_button = m_tab_close_buttons.Item(active);
 
 
         wxAuiTabContainerButton& tab_button = m_tab_close_buttons.Item(active);
 
-        // determine if a close button is on this tab
-        bool close_button = false;
-        if ((m_flags & wxAUI_NB_CLOSE_ON_ALL_TABS) != 0 ||
-            ((m_flags & wxAUI_NB_CLOSE_ON_ACTIVE_TAB) != 0 && page.active))
-        {
-            close_button = true;
-        }
-
         rect.x = active_offset;
         m_art->DrawTab(dc,
                        wnd,
         rect.x = active_offset;
         m_art->DrawTab(dc,
                        wnd,
+                       page,
                        active_rect,
                        active_rect,
-                       page.caption,
-                       page.active,
                        tab_button.cur_state,
                        &page.rect,
                        &tab_button.rect,
                        &x_extent);
     }
 
                        tab_button.cur_state,
                        &page.rect,
                        &tab_button.rect,
                        &x_extent);
     }
 
-    
+
     raw_dc->Blit(m_rect.x, m_rect.y,
                  m_rect.GetWidth(), m_rect.GetHeight(),
                  &dc, 0, 0);
 }
 
     raw_dc->Blit(m_rect.x, m_rect.y,
                  m_rect.GetWidth(), m_rect.GetHeight(),
                  &dc, 0, 0);
 }
 
+// Is the tab visible?
+bool wxAuiTabContainer::IsTabVisible(int tabPage, int tabOffset, wxDC* dc, wxWindow* wnd)
+{
+    if (!dc || !dc->IsOk())
+        return false;
+
+    size_t i;
+    size_t page_count = m_pages.GetCount();
+    size_t button_count = m_buttons.GetCount();
+
+    // Hasn't been rendered yet; assume it's visible
+    if (m_tab_close_buttons.GetCount() < page_count)
+        return true;
+
+    // First check if both buttons are disabled - if so, there's no need to
+    // check further for visibility.
+    int arrowButtonVisibleCount = 0;
+    for (i = 0; i < button_count; ++i)
+    {
+        wxAuiTabContainerButton& button = m_buttons.Item(i);
+        if (button.id == wxAUI_BUTTON_LEFT ||
+            button.id == wxAUI_BUTTON_RIGHT)
+        {
+            if ((button.cur_state & wxAUI_BUTTON_STATE_HIDDEN) == 0)
+                arrowButtonVisibleCount ++;
+        }
+    }
+
+    // Tab must be visible
+    if (arrowButtonVisibleCount == 0)
+        return true;
+
+    // If tab is less than the given offset, it must be invisible by definition
+    if (tabPage < tabOffset)
+        return false;
+
+    // draw buttons
+    int left_buttons_width = 0;
+    int right_buttons_width = 0;
+
+    int offset = 0;
+
+    // calculate size of the buttons on the right side
+    offset = m_rect.x + m_rect.width;
+    for (i = 0; i < button_count; ++i)
+    {
+        wxAuiTabContainerButton& button = m_buttons.Item(button_count - i - 1);
+
+        if (button.location != wxRIGHT)
+            continue;
+        if (button.cur_state & wxAUI_BUTTON_STATE_HIDDEN)
+            continue;
+
+        offset -= button.rect.GetWidth();
+        right_buttons_width += button.rect.GetWidth();
+    }
+
+    offset = 0;
+
+    // calculate size of the buttons on the left side
+    for (i = 0; i < button_count; ++i)
+    {
+        wxAuiTabContainerButton& button = m_buttons.Item(button_count - i - 1);
+
+        if (button.location != wxLEFT)
+            continue;
+        if (button.cur_state & wxAUI_BUTTON_STATE_HIDDEN)
+            continue;
+
+        offset += button.rect.GetWidth();
+        left_buttons_width += button.rect.GetWidth();
+    }
+
+    offset = left_buttons_width;
+
+    if (offset == 0)
+        offset += m_art->GetIndentSize();
+
+    wxRect active_rect;
+
+    wxRect rect = m_rect;
+    rect.y = 0;
+    rect.height = m_rect.height;
+
+    // See if the given page is visible at the given tab offset (effectively scroll position)
+    for (i = tabOffset; i < page_count; ++i)
+    {
+        wxAuiNotebookPage& page = m_pages.Item(i);
+        wxAuiTabContainerButton& tab_button = m_tab_close_buttons.Item(i);
+
+        rect.x = offset;
+        rect.width = m_rect.width - right_buttons_width - offset - 2;
+
+        if (rect.width <= 0)
+            return false; // haven't found the tab, and we've run out of space, so return false
+
+        int x_extent = 0;
+        wxSize size = m_art->GetTabSize(*dc,
+                            wnd,
+                            page.caption,
+                            page.bitmap,
+                            page.active,
+                            tab_button.cur_state,
+                            &x_extent);
+
+        offset += x_extent;
+
+        if (i == (size_t) tabPage)
+        {
+            // If not all of the tab is visible, and supposing there's space to display it all,
+            // we could do better so we return false.
+            if (((m_rect.width - right_buttons_width - offset - 2) <= 0) && ((m_rect.width - right_buttons_width - left_buttons_width) > x_extent))
+                return false;
+            else
+                return true;
+        }
+    }
+
+    // Shouldn't really get here, but if it does, assume the tab is visible to prevent
+    // further looping in calling code.
+    return true;
+}
+
+// Make the tab visible if it wasn't already
+void wxAuiTabContainer::MakeTabVisible(int tabPage, wxWindow* win)
+{
+    wxClientDC dc(win);
+    if (!IsTabVisible(tabPage, GetTabOffset(), & dc, win))
+    {
+        int i;
+        for (i = 0; i < (int) m_pages.GetCount(); i++)
+        {
+            if (IsTabVisible(tabPage, i, & dc, win))
+            {
+                SetTabOffset(i);
+                win->Refresh();
+                return;
+            }
+        }
+    }
+}
 
 // TabHitTest() tests if a tab was hit, passing the window pointer
 // back if that condition was fulfilled.  The function returns
 
 // TabHitTest() tests if a tab was hit, passing the window pointer
 // back if that condition was fulfilled.  The function returns
@@ -1692,9 +2049,9 @@ bool wxAuiTabContainer::TabHitTest(int x, int y, wxWindow** hit) const
 {
     if (!m_rect.Contains(x,y))
         return false;
 {
     if (!m_rect.Contains(x,y))
         return false;
-    
+
     wxAuiTabContainerButton* btn = NULL;
     wxAuiTabContainerButton* btn = NULL;
-    if (ButtonHitTest(x, y, &btn))
+    if (ButtonHitTest(x, y, &btn) && !(btn->cur_state & wxAUI_BUTTON_STATE_DISABLED))
     {
         if (m_buttons.Index(*btn) != wxNOT_FOUND)
             return false;
     {
         if (m_buttons.Index(*btn) != wxNOT_FOUND)
             return false;
@@ -1725,32 +2082,35 @@ bool wxAuiTabContainer::ButtonHitTest(int x, int y,
         return false;
 
     size_t i, button_count;
         return false;
 
     size_t i, button_count;
-    
-    
+
+
     button_count = m_buttons.GetCount();
     for (i = 0; i < button_count; ++i)
     {
         wxAuiTabContainerButton& button = m_buttons.Item(i);
     button_count = m_buttons.GetCount();
     for (i = 0; i < button_count; ++i)
     {
         wxAuiTabContainerButton& button = m_buttons.Item(i);
-        if (button.rect.Contains(x,y))
+        if (button.rect.Contains(x,y) &&
+            !(button.cur_state & wxAUI_BUTTON_STATE_HIDDEN ))
         {
             if (hit)
                 *hit = &button;
             return true;
         }
     }
         {
             if (hit)
                 *hit = &button;
             return true;
         }
     }
-    
+
     button_count = m_tab_close_buttons.GetCount();
     for (i = 0; i < button_count; ++i)
     {
         wxAuiTabContainerButton& button = m_tab_close_buttons.Item(i);
     button_count = m_tab_close_buttons.GetCount();
     for (i = 0; i < button_count; ++i)
     {
         wxAuiTabContainerButton& button = m_tab_close_buttons.Item(i);
-        if (button.rect.Contains(x,y))
+        if (button.rect.Contains(x,y) &&
+            !(button.cur_state & (wxAUI_BUTTON_STATE_HIDDEN |
+                                   wxAUI_BUTTON_STATE_DISABLED)))
         {
             if (hit)
                 *hit = &button;
             return true;
         }
     }
         {
             if (hit)
                 *hit = &button;
             return true;
         }
     }
-    
+
     return false;
 }
 
     return false;
 }
 
@@ -1761,12 +2121,14 @@ bool wxAuiTabContainer::ButtonHitTest(int x, int y,
 // as the Show() method on this class is "unplugged"
 static void ShowWnd(wxWindow* wnd, bool show)
 {
 // as the Show() method on this class is "unplugged"
 static void ShowWnd(wxWindow* wnd, bool show)
 {
+#if wxUSE_MDI
     if (wnd->IsKindOf(CLASSINFO(wxAuiMDIChildFrame)))
     {
         wxAuiMDIChildFrame* cf = (wxAuiMDIChildFrame*)wnd;
         cf->DoShow(show);
     }
     if (wnd->IsKindOf(CLASSINFO(wxAuiMDIChildFrame)))
     {
         wxAuiMDIChildFrame* cf = (wxAuiMDIChildFrame*)wnd;
         cf->DoShow(show);
     }
-     else
+    else
+#endif
     {
         wnd->Show(show);
     }
     {
         wnd->Show(show);
     }
@@ -1795,7 +2157,8 @@ void wxAuiTabContainer::DoShowHide()
     for (i = 0; i < page_count; ++i)
     {
         wxAuiNotebookPage& page = pages.Item(i);
     for (i = 0; i < page_count; ++i)
     {
         wxAuiNotebookPage& page = pages.Item(i);
-        ShowWnd(page.window, page.active);
+        if (!page.active)
+            ShowWnd(page.window, false);
     }
 }
 
     }
 }
 
@@ -1813,10 +2176,19 @@ BEGIN_EVENT_TABLE(wxAuiTabCtrl, wxControl)
     EVT_ERASE_BACKGROUND(wxAuiTabCtrl::OnEraseBackground)
     EVT_SIZE(wxAuiTabCtrl::OnSize)
     EVT_LEFT_DOWN(wxAuiTabCtrl::OnLeftDown)
     EVT_ERASE_BACKGROUND(wxAuiTabCtrl::OnEraseBackground)
     EVT_SIZE(wxAuiTabCtrl::OnSize)
     EVT_LEFT_DOWN(wxAuiTabCtrl::OnLeftDown)
+    EVT_LEFT_DCLICK(wxAuiTabCtrl::OnLeftDClick)
     EVT_LEFT_UP(wxAuiTabCtrl::OnLeftUp)
     EVT_LEFT_UP(wxAuiTabCtrl::OnLeftUp)
+    EVT_MIDDLE_DOWN(wxAuiTabCtrl::OnMiddleDown)
+    EVT_MIDDLE_UP(wxAuiTabCtrl::OnMiddleUp)
+    EVT_RIGHT_DOWN(wxAuiTabCtrl::OnRightDown)
+    EVT_RIGHT_UP(wxAuiTabCtrl::OnRightUp)
     EVT_MOTION(wxAuiTabCtrl::OnMotion)
     EVT_LEAVE_WINDOW(wxAuiTabCtrl::OnLeaveWindow)
     EVT_MOTION(wxAuiTabCtrl::OnMotion)
     EVT_LEAVE_WINDOW(wxAuiTabCtrl::OnLeaveWindow)
-    EVT_AUINOTEBOOK_BUTTON(-1, wxAuiTabCtrl::OnButton)
+    EVT_AUINOTEBOOK_BUTTON(wxID_ANY, wxAuiTabCtrl::OnButton)
+    EVT_SET_FOCUS(wxAuiTabCtrl::OnSetFocus)
+    EVT_KILL_FOCUS(wxAuiTabCtrl::OnKillFocus)
+    EVT_CHAR(wxAuiTabCtrl::OnChar)
+    EVT_MOUSE_CAPTURE_LOST(wxAuiTabCtrl::OnCaptureLost)
 END_EVENT_TABLE()
 
 
 END_EVENT_TABLE()
 
 
@@ -1826,9 +2198,11 @@ wxAuiTabCtrl::wxAuiTabCtrl(wxWindow* parent,
                            const wxSize& size,
                            long style) : wxControl(parent, id, pos, size, style)
 {
                            const wxSize& size,
                            long style) : wxControl(parent, id, pos, size, style)
 {
+    SetName(wxT("wxAuiTabCtrl"));
     m_click_pt = wxDefaultPosition;
     m_is_dragging = false;
     m_hover_button = NULL;
     m_click_pt = wxDefaultPosition;
     m_is_dragging = false;
     m_hover_button = NULL;
+    m_pressed_button = NULL;
 }
 
 wxAuiTabCtrl::~wxAuiTabCtrl()
 }
 
 wxAuiTabCtrl::~wxAuiTabCtrl()
@@ -1862,61 +2236,90 @@ void wxAuiTabCtrl::OnLeftDown(wxMouseEvent& evt)
     m_click_pt = wxDefaultPosition;
     m_is_dragging = false;
     m_click_tab = NULL;
     m_click_pt = wxDefaultPosition;
     m_is_dragging = false;
     m_click_tab = NULL;
+    m_pressed_button = NULL;
 
 
     wxWindow* wnd;
     if (TabHitTest(evt.m_x, evt.m_y, &wnd))
     {
 
 
     wxWindow* wnd;
     if (TabHitTest(evt.m_x, evt.m_y, &wnd))
     {
-        if (m_flags & wxAUI_NB_CLOSE_ON_ACTIVE_TAB)
-            m_hover_button = NULL;
-        
-        wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CHANGING, m_windowId);
-        e.SetSelection(GetIdxFromWindow(wnd));
-        e.SetOldSelection(GetActivePage());
-        e.SetEventObject(this);
-        GetEventHandler()->ProcessEvent(e);
+        int new_selection = GetIdxFromWindow(wnd);
+
+        // wxAuiNotebooks always want to receive this event
+        // even if the tab is already active, because they may
+        // have multiple tab controls
+        if (new_selection != GetActivePage() ||
+            GetParent()->IsKindOf(CLASSINFO(wxAuiNotebook)))
+        {
+            wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CHANGING, m_windowId);
+            e.SetSelection(new_selection);
+            e.SetOldSelection(GetActivePage());
+            e.SetEventObject(this);
+            GetEventHandler()->ProcessEvent(e);
+        }
 
         m_click_pt.x = evt.m_x;
         m_click_pt.y = evt.m_y;
         m_click_tab = wnd;
     }
 
         m_click_pt.x = evt.m_x;
         m_click_pt.y = evt.m_y;
         m_click_tab = wnd;
     }
-    
+
     if (m_hover_button)
     {
     if (m_hover_button)
     {
-        m_hover_button->cur_state = wxAUI_BUTTON_STATE_PRESSED;
+        m_pressed_button = m_hover_button;
+        m_pressed_button->cur_state = wxAUI_BUTTON_STATE_PRESSED;
         Refresh();
         Update();
     }
 }
 
         Refresh();
         Update();
     }
 }
 
-void wxAuiTabCtrl::OnLeftUp(wxMouseEvent&)
+void wxAuiTabCtrl::OnCaptureLost(wxMouseCaptureLostEvent& WXUNUSED(event))
+{
+}
+
+void wxAuiTabCtrl::OnLeftUp(wxMouseEvent& evt)
 {
     if (GetCapture() == this)
         ReleaseMouse();
 
     if (m_is_dragging)
     {
 {
     if (GetCapture() == this)
         ReleaseMouse();
 
     if (m_is_dragging)
     {
+        m_is_dragging = false;
+
         wxAuiNotebookEvent evt(wxEVT_COMMAND_AUINOTEBOOK_END_DRAG, m_windowId);
         evt.SetSelection(GetIdxFromWindow(m_click_tab));
         evt.SetOldSelection(evt.GetSelection());
         evt.SetEventObject(this);
         GetEventHandler()->ProcessEvent(evt);
         wxAuiNotebookEvent evt(wxEVT_COMMAND_AUINOTEBOOK_END_DRAG, m_windowId);
         evt.SetSelection(GetIdxFromWindow(m_click_tab));
         evt.SetOldSelection(evt.GetSelection());
         evt.SetEventObject(this);
         GetEventHandler()->ProcessEvent(evt);
+
         return;
     }
 
         return;
     }
 
-    if (m_hover_button)
+    if (m_pressed_button)
     {
     {
-        m_hover_button->cur_state = wxAUI_BUTTON_STATE_HOVER;
+        // make sure we're still clicking the button
+        wxAuiTabContainerButton* button = NULL;
+        if (!ButtonHitTest(evt.m_x, evt.m_y, &button) ||
+            button->cur_state & wxAUI_BUTTON_STATE_DISABLED)
+            return;
+
+        if (button != m_pressed_button)
+        {
+            m_pressed_button = NULL;
+            return;
+        }
+
         Refresh();
         Update();
 
         Refresh();
         Update();
 
-        if (!(m_hover_button->cur_state & wxAUI_BUTTON_STATE_DISABLED))
+        if (!(m_pressed_button->cur_state & wxAUI_BUTTON_STATE_DISABLED))
         {
             wxAuiNotebookEvent evt(wxEVT_COMMAND_AUINOTEBOOK_BUTTON, m_windowId);
         {
             wxAuiNotebookEvent evt(wxEVT_COMMAND_AUINOTEBOOK_BUTTON, m_windowId);
-            evt.SetInt(m_hover_button->id);
+            evt.SetSelection(GetIdxFromWindow(m_click_tab));
+            evt.SetInt(m_pressed_button->id);
             evt.SetEventObject(this);
             GetEventHandler()->ProcessEvent(evt);
         }
             evt.SetEventObject(this);
             GetEventHandler()->ProcessEvent(evt);
         }
+
+        m_pressed_button = NULL;
     }
 
     m_click_pt = wxDefaultPosition;
     }
 
     m_click_pt = wxDefaultPosition;
@@ -1924,13 +2327,73 @@ void wxAuiTabCtrl::OnLeftUp(wxMouseEvent&)
     m_click_tab = NULL;
 }
 
     m_click_tab = NULL;
 }
 
+void wxAuiTabCtrl::OnMiddleUp(wxMouseEvent& evt)
+{
+    wxWindow* wnd = NULL;
+    if (!TabHitTest(evt.m_x, evt.m_y, &wnd))
+        return;
+
+    wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_TAB_MIDDLE_UP, m_windowId);
+    e.SetEventObject(this);
+    e.SetSelection(GetIdxFromWindow(wnd));
+    GetEventHandler()->ProcessEvent(e);
+}
+
+void wxAuiTabCtrl::OnMiddleDown(wxMouseEvent& evt)
+{
+    wxWindow* wnd = NULL;
+    if (!TabHitTest(evt.m_x, evt.m_y, &wnd))
+        return;
+
+    wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_TAB_MIDDLE_DOWN, m_windowId);
+    e.SetEventObject(this);
+    e.SetSelection(GetIdxFromWindow(wnd));
+    GetEventHandler()->ProcessEvent(e);
+}
+
+void wxAuiTabCtrl::OnRightUp(wxMouseEvent& evt)
+{
+    wxWindow* wnd = NULL;
+    if (!TabHitTest(evt.m_x, evt.m_y, &wnd))
+        return;
+
+    wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_TAB_RIGHT_UP, m_windowId);
+    e.SetEventObject(this);
+    e.SetSelection(GetIdxFromWindow(wnd));
+    GetEventHandler()->ProcessEvent(e);
+}
+
+void wxAuiTabCtrl::OnRightDown(wxMouseEvent& evt)
+{
+    wxWindow* wnd = NULL;
+    if (!TabHitTest(evt.m_x, evt.m_y, &wnd))
+        return;
+
+    wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_TAB_RIGHT_DOWN, m_windowId);
+    e.SetEventObject(this);
+    e.SetSelection(GetIdxFromWindow(wnd));
+    GetEventHandler()->ProcessEvent(e);
+}
+
+void wxAuiTabCtrl::OnLeftDClick(wxMouseEvent& evt)
+{
+    wxWindow* wnd;
+    wxAuiTabContainerButton* button;
+    if (!TabHitTest(evt.m_x, evt.m_y, &wnd) && !ButtonHitTest(evt.m_x, evt.m_y, &button))
+    {
+        wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_BG_DCLICK, m_windowId);
+        e.SetEventObject(this);
+        GetEventHandler()->ProcessEvent(e);
+    }
+}
+
 void wxAuiTabCtrl::OnMotion(wxMouseEvent& evt)
 {
     wxPoint pos = evt.GetPosition();
 
     // check if the mouse is hovering above a button
     wxAuiTabContainerButton* button;
 void wxAuiTabCtrl::OnMotion(wxMouseEvent& evt)
 {
     wxPoint pos = evt.GetPosition();
 
     // check if the mouse is hovering above a button
     wxAuiTabContainerButton* button;
-    if (ButtonHitTest(pos.x, pos.y, &button))
+    if (ButtonHitTest(pos.x, pos.y, &button) && !(button->cur_state & wxAUI_BUTTON_STATE_DISABLED))
     {
         if (m_hover_button && button != m_hover_button)
         {
     {
         if (m_hover_button && button != m_hover_button)
         {
@@ -1939,7 +2402,7 @@ void wxAuiTabCtrl::OnMotion(wxMouseEvent& evt)
             Refresh();
             Update();
         }
             Refresh();
             Update();
         }
-        
+
         if (button->cur_state != wxAUI_BUTTON_STATE_HOVER)
         {
             button->cur_state = wxAUI_BUTTON_STATE_HOVER;
         if (button->cur_state != wxAUI_BUTTON_STATE_HOVER)
         {
             button->cur_state = wxAUI_BUTTON_STATE_HOVER;
@@ -1949,7 +2412,7 @@ void wxAuiTabCtrl::OnMotion(wxMouseEvent& evt)
             return;
         }
     }
             return;
         }
     }
-     else
+    else
     {
         if (m_hover_button)
         {
     {
         if (m_hover_button)
         {
@@ -2005,7 +2468,7 @@ void wxAuiTabCtrl::OnLeaveWindow(wxMouseEvent& WXUNUSED(event))
 void wxAuiTabCtrl::OnButton(wxAuiNotebookEvent& event)
 {
     int button = event.GetInt();
 void wxAuiTabCtrl::OnButton(wxAuiNotebookEvent& event)
 {
     int button = event.GetInt();
-    
+
     if (button == wxAUI_BUTTON_LEFT || button == wxAUI_BUTTON_RIGHT)
     {
         if (button == wxAUI_BUTTON_LEFT)
     if (button == wxAUI_BUTTON_LEFT || button == wxAUI_BUTTON_RIGHT)
     {
         if (button == wxAUI_BUTTON_LEFT)
@@ -2017,26 +2480,17 @@ void wxAuiTabCtrl::OnButton(wxAuiNotebookEvent& event)
                 Update();
             }
         }
                 Update();
             }
         }
-         else
+        else
         {
             SetTabOffset(GetTabOffset()+1);
             Refresh();
             Update();
         }
     }
         {
             SetTabOffset(GetTabOffset()+1);
             Refresh();
             Update();
         }
     }
-     else if (button == wxAUI_BUTTON_WINDOWLIST)
+    else if (button == wxAUI_BUTTON_WINDOWLIST)
     {
     {
-        wxArrayString as;
-        
-        size_t i, page_count = m_pages.GetCount();
-        for (i = 0; i < page_count; ++i)
-        {
-            wxAuiNotebookPage& page = m_pages.Item(i);
-            as.Add(page.caption);
-        }
+        int idx = GetArtProvider()->ShowDropDown(this, m_pages, GetActivePage());
 
 
-        int idx = GetArtProvider()->ShowWindowList(this, as, GetActivePage());
-        
         if (idx != -1)
         {
             wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CHANGING, m_windowId);
         if (idx != -1)
         {
             wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CHANGING, m_windowId);
@@ -2046,50 +2500,190 @@ void wxAuiTabCtrl::OnButton(wxAuiNotebookEvent& event)
             GetEventHandler()->ProcessEvent(e);
         }
     }
             GetEventHandler()->ProcessEvent(e);
         }
     }
-     else
+    else
     {
         event.Skip();
     }
 }
 
     {
         event.Skip();
     }
 }
 
-// wxTabFrame is an interesting case.  It's important that all child pages
-// of the multi-notebook control are all actually children of that control
-// (and not grandchildren).  wxTabFrame facilitates this.  There is one
-// instance of wxTabFrame for each tab control inside the multi-notebook.
-// It's important to know that wxTabFrame is not a real window, but it merely
-// used to capture the dimensions/positioning of the internal tab control and
-// it's managed page windows
+void wxAuiTabCtrl::OnSetFocus(wxFocusEvent& WXUNUSED(event))
+{
+    Refresh();
+}
 
 
-class wxTabFrame : public wxWindow
+void wxAuiTabCtrl::OnKillFocus(wxFocusEvent& WXUNUSED(event))
 {
 {
-public:
+    Refresh();
+}
 
 
-    wxTabFrame()
+void wxAuiTabCtrl::OnChar(wxKeyEvent& event)
+{
+    if (GetActivePage() == -1)
     {
     {
-        m_tabs = NULL;
-        m_rect = wxRect(0,0,200,200);
-        m_tab_ctrl_height = 20;
+        event.Skip();
+        return;
     }
 
     }
 
-    void SetTabCtrlHeight(int h)
+    // We can't leave tab processing to the system; on Windows, tabs and keys
+    // get eaten by the system and not processed properly if we specify both
+    // wxTAB_TRAVERSAL and wxWANTS_CHARS. And if we specify just wxTAB_TRAVERSAL,
+    // we don't key arrow key events.
+
+    int key = event.GetKeyCode();
+
+    if (key == WXK_NUMPAD_PAGEUP)
+        key = WXK_PAGEUP;
+    if (key == WXK_NUMPAD_PAGEDOWN)
+        key = WXK_PAGEDOWN;
+    if (key == WXK_NUMPAD_HOME)
+        key = WXK_HOME;
+    if (key == WXK_NUMPAD_END)
+        key = WXK_END;
+    if (key == WXK_NUMPAD_LEFT)
+        key = WXK_LEFT;
+    if (key == WXK_NUMPAD_RIGHT)
+        key = WXK_RIGHT;
+
+    if (key == WXK_TAB || key == WXK_PAGEUP || key == WXK_PAGEDOWN)
     {
     {
-        m_tab_ctrl_height = h;
+        bool bCtrlDown = event.ControlDown();
+        bool bShiftDown = event.ShiftDown();
+
+        bool bForward = (key == WXK_TAB && !bShiftDown) || (key == WXK_PAGEDOWN);
+        bool bWindowChange = (key == WXK_PAGEUP) || (key == WXK_PAGEDOWN) || bCtrlDown;
+        bool bFromTab = (key == WXK_TAB);
+
+        wxAuiNotebook* nb = wxDynamicCast(GetParent(), wxAuiNotebook);
+        if (!nb)
+        {
+            event.Skip();
+            return;
+        }
+
+        wxNavigationKeyEvent keyEvent;
+        keyEvent.SetDirection(bForward);
+        keyEvent.SetWindowChange(bWindowChange);
+        keyEvent.SetFromTab(bFromTab);
+        keyEvent.SetEventObject(nb);
+
+        if (!nb->GetEventHandler()->ProcessEvent(keyEvent))
+        {
+            // Not processed? Do an explicit tab into the page.
+            wxWindow* win = GetWindowFromIdx(GetActivePage());
+            if (win)
+                win->SetFocus();
+        }
+        return;
     }
 
     }
 
-    void DoSetSize(int x, int y,
-                   int width, int height,
-                   int WXUNUSED(sizeFlags = wxSIZE_AUTO))
+    if (m_pages.GetCount() < 2)
     {
     {
-        m_rect = wxRect(x, y, width, height);
-        DoSizing();
+        event.Skip();
+        return;
     }
 
     }
 
-    void DoGetClientSize(int* x, int* y) const
+    int newPage = -1;
+
+    int forwardKey, backwardKey;
+    if (GetLayoutDirection() == wxLayout_RightToLeft)
+    {
+        forwardKey = WXK_LEFT;
+        backwardKey = WXK_RIGHT;
+    }
+    else
+     {
+        forwardKey = WXK_RIGHT;
+        backwardKey = WXK_LEFT;
+    }
+
+    if (key == forwardKey)
+    {
+        if (m_pages.GetCount() > 1)
+        {
+            if (GetActivePage() == -1)
+                newPage = 0;
+            else if (GetActivePage() < (int) (m_pages.GetCount() - 1))
+                newPage = GetActivePage() + 1;
+        }
+    }
+    else if (key == backwardKey)
+    {
+        if (m_pages.GetCount() > 1)
+        {
+            if (GetActivePage() == -1)
+                newPage = (int) (m_pages.GetCount() - 1);
+            else if (GetActivePage() > 0)
+                newPage = GetActivePage() - 1;
+        }
+    }
+    else if (key == WXK_HOME)
+    {
+        newPage = 0;
+    }
+    else if (key == WXK_END)
+    {
+        newPage = (int) (m_pages.GetCount() - 1);
+    }
+    else
+        event.Skip();
+
+    if (newPage != -1)
+    {
+        wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CHANGING, m_windowId);
+        e.SetSelection(newPage);
+        e.SetOldSelection(newPage);
+        e.SetEventObject(this);
+        this->GetEventHandler()->ProcessEvent(e);
+    }
+    else
+        event.Skip();
+}
+
+// wxTabFrame is an interesting case.  It's important that all child pages
+// of the multi-notebook control are all actually children of that control
+// (and not grandchildren).  wxTabFrame facilitates this.  There is one
+// instance of wxTabFrame for each tab control inside the multi-notebook.
+// It's important to know that wxTabFrame is not a real window, but it merely
+// used to capture the dimensions/positioning of the internal tab control and
+// it's managed page windows
+
+class wxTabFrame : public wxWindow
+{
+public:
+
+    wxTabFrame()
+    {
+        m_tabs = NULL;
+        m_rect = wxRect(0,0,200,200);
+        m_tab_ctrl_height = 20;
+    }
+
+    ~wxTabFrame()
+    {
+        wxDELETE(m_tabs);
+    }
+
+    void SetTabCtrlHeight(int h)
+    {
+        m_tab_ctrl_height = h;
+    }
+
+protected:
+    void DoSetSize(int x, int y,
+                   int width, int height,
+                   int WXUNUSED(sizeFlags = wxSIZE_AUTO))
+    {
+        m_rect = wxRect(x, y, width, height);
+        DoSizing();
+    }
+
+    void DoGetClientSize(int* x, int* y) const
     {
         *x = m_rect.width;
         *y = m_rect.height;
     }
 
     {
         *x = m_rect.width;
         *y = m_rect.height;
     }
 
+public:
     bool Show( bool WXUNUSED(show = true) ) { return false; }
 
     void DoSizing()
     bool Show( bool WXUNUSED(show = true) ) { return false; }
 
     void DoSizing()
@@ -2097,9 +2691,25 @@ public:
         if (!m_tabs)
             return;
 
         if (!m_tabs)
             return;
 
+        if (m_tabs->IsFrozen() || m_tabs->GetParent()->IsFrozen())
+            return;
+
         m_tab_rect = wxRect(m_rect.x, m_rect.y, m_rect.width, m_tab_ctrl_height);
         m_tab_rect = wxRect(m_rect.x, m_rect.y, m_rect.width, m_tab_ctrl_height);
-        m_tabs->SetSize(m_rect.x, m_rect.y, m_rect.width, m_tab_ctrl_height);
-        m_tabs->SetRect(wxRect(0, 0, m_rect.width, m_tab_ctrl_height));
+        if (m_tabs->GetFlags() & wxAUI_NB_BOTTOM)
+        {
+            m_tab_rect = wxRect (m_rect.x, m_rect.y + m_rect.height - m_tab_ctrl_height, m_rect.width, m_tab_ctrl_height);
+            m_tabs->SetSize     (m_rect.x, m_rect.y + m_rect.height - m_tab_ctrl_height, m_rect.width, m_tab_ctrl_height);
+            m_tabs->SetRect     (wxRect(0, 0, m_rect.width, m_tab_ctrl_height));
+        }
+        else //TODO: if (GetFlags() & wxAUI_NB_TOP)
+        {
+            m_tab_rect = wxRect (m_rect.x, m_rect.y, m_rect.width, m_tab_ctrl_height);
+            m_tabs->SetSize     (m_rect.x, m_rect.y, m_rect.width, m_tab_ctrl_height);
+            m_tabs->SetRect     (wxRect(0, 0,        m_rect.width, m_tab_ctrl_height));
+        }
+        // TODO: else if (GetFlags() & wxAUI_NB_LEFT){}
+        // TODO: else if (GetFlags() & wxAUI_NB_RIGHT){}
+
         m_tabs->Refresh();
         m_tabs->Update();
 
         m_tabs->Refresh();
         m_tabs->Update();
 
@@ -2108,18 +2718,38 @@ public:
 
         for (i = 0; i < page_count; ++i)
         {
 
         for (i = 0; i < page_count; ++i)
         {
+            int height = m_rect.height - m_tab_ctrl_height;
+            if ( height < 0 )
+            {
+                // avoid passing negative height to wxWindow::SetSize(), this
+                // results in assert failures/GTK+ warnings
+                height = 0;
+            }
+
             wxAuiNotebookPage& page = pages.Item(i);
             wxAuiNotebookPage& page = pages.Item(i);
-            page.window->SetSize(m_rect.x, m_rect.y + m_tab_ctrl_height,
-                                 m_rect.width, m_rect.height - m_tab_ctrl_height);
+            if (m_tabs->GetFlags() & wxAUI_NB_BOTTOM)
+            {
+                page.window->SetSize(m_rect.x, m_rect.y, m_rect.width, height);
+            }
+            else //TODO: if (GetFlags() & wxAUI_NB_TOP)
+            {
+                page.window->SetSize(m_rect.x, m_rect.y + m_tab_ctrl_height,
+                                     m_rect.width, height);
+            }
+            // TODO: else if (GetFlags() & wxAUI_NB_LEFT){}
+            // TODO: else if (GetFlags() & wxAUI_NB_RIGHT){}
 
 
+#if wxUSE_MDI
             if (page.window->IsKindOf(CLASSINFO(wxAuiMDIChildFrame)))
             {
                 wxAuiMDIChildFrame* wnd = (wxAuiMDIChildFrame*)page.window;
                 wnd->ApplyMDIChildFrameRect();
             }
             if (page.window->IsKindOf(CLASSINFO(wxAuiMDIChildFrame)))
             {
                 wxAuiMDIChildFrame* wnd = (wxAuiMDIChildFrame*)page.window;
                 wnd->ApplyMDIChildFrameRect();
             }
+#endif
         }
     }
 
         }
     }
 
+protected:
     void DoGetSize(int* x, int* y) const
     {
         if (x)
     void DoGetSize(int* x, int* y) const
     {
         if (x)
@@ -2128,13 +2758,12 @@ public:
             *y = m_rect.GetHeight();
     }
 
             *y = m_rect.GetHeight();
     }
 
+public:
     void Update()
     {
         // does nothing
     }
 
     void Update()
     {
         // does nothing
     }
 
-public:
-
     wxRect m_rect;
     wxRect m_tab_rect;
     wxAuiTabCtrl* m_tabs;
     wxRect m_rect;
     wxRect m_tab_rect;
     wxAuiTabCtrl* m_tabs;
@@ -2142,39 +2771,67 @@ public:
 };
 
 
 };
 
 
-
+const int wxAuiBaseTabCtrlId = 5380;
 
 
 // -- wxAuiNotebook class implementation --
 
 
 
 // -- wxAuiNotebook class implementation --
 
+#define EVT_AUI_RANGE(id1, id2, event, func) \
+    wx__DECLARE_EVT2(event, id1, id2, wxAuiNotebookEventHandler(func))
+
 BEGIN_EVENT_TABLE(wxAuiNotebook, wxControl)
 BEGIN_EVENT_TABLE(wxAuiNotebook, wxControl)
-    //EVT_ERASE_BACKGROUND(wxAuiNotebook::OnEraseBackground)
-    //EVT_SIZE(wxAuiNotebook::OnSize)
-    //EVT_LEFT_DOWN(wxAuiNotebook::OnLeftDown)
-    EVT_CHILD_FOCUS(wxAuiNotebook::OnChildFocus)
-    EVT_COMMAND_RANGE(10000, 10100,
+    EVT_SIZE(wxAuiNotebook::OnSize)
+    EVT_CHILD_FOCUS(wxAuiNotebook::OnChildFocusNotebook)
+    EVT_AUI_RANGE(wxAuiBaseTabCtrlId, wxAuiBaseTabCtrlId+500,
                       wxEVT_COMMAND_AUINOTEBOOK_PAGE_CHANGING,
                       wxAuiNotebook::OnTabClicked)
                       wxEVT_COMMAND_AUINOTEBOOK_PAGE_CHANGING,
                       wxAuiNotebook::OnTabClicked)
-    EVT_COMMAND_RANGE(10000, 10100,
+    EVT_AUI_RANGE(wxAuiBaseTabCtrlId, wxAuiBaseTabCtrlId+500,
                       wxEVT_COMMAND_AUINOTEBOOK_BEGIN_DRAG,
                       wxAuiNotebook::OnTabBeginDrag)
                       wxEVT_COMMAND_AUINOTEBOOK_BEGIN_DRAG,
                       wxAuiNotebook::OnTabBeginDrag)
-    EVT_COMMAND_RANGE(10000, 10100,
+    EVT_AUI_RANGE(wxAuiBaseTabCtrlId, wxAuiBaseTabCtrlId+500,
                       wxEVT_COMMAND_AUINOTEBOOK_END_DRAG,
                       wxAuiNotebook::OnTabEndDrag)
                       wxEVT_COMMAND_AUINOTEBOOK_END_DRAG,
                       wxAuiNotebook::OnTabEndDrag)
-    EVT_COMMAND_RANGE(10000, 10100,
+    EVT_AUI_RANGE(wxAuiBaseTabCtrlId, wxAuiBaseTabCtrlId+500,
                       wxEVT_COMMAND_AUINOTEBOOK_DRAG_MOTION,
                       wxAuiNotebook::OnTabDragMotion)
                       wxEVT_COMMAND_AUINOTEBOOK_DRAG_MOTION,
                       wxAuiNotebook::OnTabDragMotion)
-    EVT_COMMAND_RANGE(10000, 10100,
+    EVT_AUI_RANGE(wxAuiBaseTabCtrlId, wxAuiBaseTabCtrlId+500,
                       wxEVT_COMMAND_AUINOTEBOOK_BUTTON,
                       wxAuiNotebook::OnTabButton)
                       wxEVT_COMMAND_AUINOTEBOOK_BUTTON,
                       wxAuiNotebook::OnTabButton)
+    EVT_AUI_RANGE(wxAuiBaseTabCtrlId, wxAuiBaseTabCtrlId+500,
+                      wxEVT_COMMAND_AUINOTEBOOK_TAB_MIDDLE_DOWN,
+                      wxAuiNotebook::OnTabMiddleDown)
+    EVT_AUI_RANGE(wxAuiBaseTabCtrlId, wxAuiBaseTabCtrlId+500,
+                      wxEVT_COMMAND_AUINOTEBOOK_TAB_MIDDLE_UP,
+                      wxAuiNotebook::OnTabMiddleUp)
+    EVT_AUI_RANGE(wxAuiBaseTabCtrlId, wxAuiBaseTabCtrlId+500,
+                      wxEVT_COMMAND_AUINOTEBOOK_TAB_RIGHT_DOWN,
+                      wxAuiNotebook::OnTabRightDown)
+    EVT_AUI_RANGE(wxAuiBaseTabCtrlId, wxAuiBaseTabCtrlId+500,
+                      wxEVT_COMMAND_AUINOTEBOOK_TAB_RIGHT_UP,
+                      wxAuiNotebook::OnTabRightUp)
+    EVT_AUI_RANGE(wxAuiBaseTabCtrlId, wxAuiBaseTabCtrlId+500,
+                      wxEVT_COMMAND_AUINOTEBOOK_BG_DCLICK,
+                      wxAuiNotebook::OnTabBgDClick)
+    EVT_NAVIGATION_KEY(wxAuiNotebook::OnNavigationKeyNotebook)
+
+#ifdef wxHAS_NATIVE_TAB_TRAVERSAL
+    WX_EVENT_TABLE_CONTROL_CONTAINER(wxAuiNotebook)
+#else
+    // Avoid clash with container event handler functions
+    EVT_SET_FOCUS(wxAuiNotebook::OnFocus)
+#endif
 END_EVENT_TABLE()
 
 END_EVENT_TABLE()
 
+WX_DELEGATE_TO_CONTROL_CONTAINER(wxAuiNotebook, wxControl)
+
 wxAuiNotebook::wxAuiNotebook()
 {
     m_curpage = -1;
 wxAuiNotebook::wxAuiNotebook()
 {
     m_curpage = -1;
-    m_tab_id_counter = 10000;
+    m_tab_id_counter = wxAuiBaseTabCtrlId;
     m_dummy_wnd = NULL;
     m_tab_ctrl_height = 20;
     m_dummy_wnd = NULL;
     m_tab_ctrl_height = 20;
+    m_requested_bmp_size = wxDefaultSize;
+    m_requested_tabctrl_height = -1;
 }
 
 wxAuiNotebook::wxAuiNotebook(wxWindow *parent,
 }
 
 wxAuiNotebook::wxAuiNotebook(wxWindow *parent,
@@ -2183,6 +2840,9 @@ wxAuiNotebook::wxAuiNotebook(wxWindow *parent,
                              const wxSize& size,
                              long style) : wxControl(parent, id, pos, size, style)
 {
                              const wxSize& size,
                              long style) : wxControl(parent, id, pos, size, style)
 {
+    m_dummy_wnd = NULL;
+    m_requested_bmp_size = wxDefaultSize;
+    m_requested_tabctrl_height = -1;
     InitNotebook(style);
 }
 
     InitNotebook(style);
 }
 
@@ -2204,12 +2864,16 @@ bool wxAuiNotebook::Create(wxWindow* parent,
 // code called by all constructors
 void wxAuiNotebook::InitNotebook(long style)
 {
 // code called by all constructors
 void wxAuiNotebook::InitNotebook(long style)
 {
+    WX_INIT_CONTROL_CONTAINER();
+    // SetCanFocus(false);
+
+    SetName(wxT("wxAuiNotebook"));
     m_curpage = -1;
     m_curpage = -1;
-    m_tab_id_counter = 10000;
+    m_tab_id_counter = wxAuiBaseTabCtrlId;
     m_dummy_wnd = NULL;
     m_dummy_wnd = NULL;
-    m_tab_ctrl_height = 20;
     m_flags = (unsigned int)style;
     m_flags = (unsigned int)style;
-    
+    m_tab_ctrl_height = 20;
+
     m_normal_font = *wxNORMAL_FONT;
     m_selected_font = *wxNORMAL_FONT;
     m_selected_font.SetWeight(wxBOLD);
     m_normal_font = *wxNORMAL_FONT;
     m_selected_font = *wxNORMAL_FONT;
     m_selected_font.SetWeight(wxBOLD);
@@ -2221,25 +2885,121 @@ void wxAuiNotebook::InitNotebook(long style)
     m_dummy_wnd->Show(false);
 
     m_mgr.SetManagedWindow(this);
     m_dummy_wnd->Show(false);
 
     m_mgr.SetManagedWindow(this);
+    m_mgr.SetFlags(wxAUI_MGR_DEFAULT);
+    m_mgr.SetDockSizeConstraint(1.0, 1.0); // no dock size constraint
 
     m_mgr.AddPane(m_dummy_wnd,
 
     m_mgr.AddPane(m_dummy_wnd,
-              wxAuiPaneInfo().Name(wxT("dummy")).Bottom().Show(false));
+              wxAuiPaneInfo().Name(wxT("dummy")).Bottom().CaptionVisible(false).Show(false));
 
     m_mgr.Update();
 }
 
 wxAuiNotebook::~wxAuiNotebook()
 {
 
     m_mgr.Update();
 }
 
 wxAuiNotebook::~wxAuiNotebook()
 {
+    // Indicate we're deleting pages
+    SendDestroyEvent();
+
+    while ( GetPageCount() > 0 )
+        DeletePage(0);
+
     m_mgr.UnInit();
 }
 
 void wxAuiNotebook::SetArtProvider(wxAuiTabArt* art)
 {
     m_tabs.SetArtProvider(art);
     m_mgr.UnInit();
 }
 
 void wxAuiNotebook::SetArtProvider(wxAuiTabArt* art)
 {
     m_tabs.SetArtProvider(art);
-    
-    // choose a default for the tab height
-    m_tab_ctrl_height = art->GetBestTabCtrlSize(this);
-    
+
+    UpdateTabCtrlHeight();
+}
+
+// SetTabCtrlHeight() is the highest-level override of the
+// tab height.  A call to this function effectively enforces a
+// specified tab ctrl height, overriding all other considerations,
+// such as text or bitmap height.  It overrides any call to
+// SetUniformBitmapSize().  Specifying a height of -1 reverts
+// any previous call and returns to the default behavior
+
+void wxAuiNotebook::SetTabCtrlHeight(int height)
+{
+    m_requested_tabctrl_height = height;
+
+    // if window is already initialized, recalculate the tab height
+    if (m_dummy_wnd)
+    {
+        UpdateTabCtrlHeight();
+    }
+}
+
+
+// SetUniformBitmapSize() ensures that all tabs will have
+// the same height, even if some tabs don't have bitmaps
+// Passing wxDefaultSize to this function will instruct
+// the control to use dynamic tab height-- so when a tab
+// with a large bitmap is added, the tab ctrl's height will
+// automatically increase to accommodate the bitmap
+
+void wxAuiNotebook::SetUniformBitmapSize(const wxSize& size)
+{
+    m_requested_bmp_size = size;
+
+    // if window is already initialized, recalculate the tab height
+    if (m_dummy_wnd)
+    {
+        UpdateTabCtrlHeight();
+    }
+}
+
+// UpdateTabCtrlHeight() does the actual tab resizing. It's meant
+// to be used interally
+void wxAuiNotebook::UpdateTabCtrlHeight()
+{
+    // get the tab ctrl height we will use
+    int height = CalculateTabCtrlHeight();
+
+    // if the tab control height needs to change, update
+    // all of our tab controls with the new height
+    if (m_tab_ctrl_height != height)
+    {
+        wxAuiTabArt* art = m_tabs.GetArtProvider();
+
+        m_tab_ctrl_height = height;
+
+        wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
+        size_t i, pane_count = all_panes.GetCount();
+        for (i = 0; i < pane_count; ++i)
+        {
+            wxAuiPaneInfo& pane = all_panes.Item(i);
+            if (pane.name == wxT("dummy"))
+                continue;
+            wxTabFrame* tab_frame = (wxTabFrame*)pane.window;
+            wxAuiTabCtrl* tabctrl = tab_frame->m_tabs;
+            tab_frame->SetTabCtrlHeight(m_tab_ctrl_height);
+            tabctrl->SetArtProvider(art->Clone());
+            tab_frame->DoSizing();
+        }
+    }
+}
+
+void wxAuiNotebook::UpdateHintWindowSize()
+{
+    wxSize size = CalculateNewSplitSize();
+
+    // the placeholder hint window should be set to this size
+    wxAuiPaneInfo& info = m_mgr.GetPane(wxT("dummy"));
+    if (info.IsOk())
+    {
+        info.MinSize(size);
+        info.BestSize(size);
+        m_dummy_wnd->SetSize(size);
+    }
+}
+
+
+// calculates the size of the new split
+wxSize wxAuiNotebook::CalculateNewSplitSize()
+{
+    // count number of tab controls
+    int tab_ctrl_count = 0;
     wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
     size_t i, pane_count = all_panes.GetCount();
     for (i = 0; i < pane_count; ++i)
     wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
     size_t i, pane_count = all_panes.GetCount();
     for (i = 0; i < pane_count; ++i)
@@ -2247,16 +3007,47 @@ void wxAuiNotebook::SetArtProvider(wxAuiTabArt* art)
         wxAuiPaneInfo& pane = all_panes.Item(i);
         if (pane.name == wxT("dummy"))
             continue;
         wxAuiPaneInfo& pane = all_panes.Item(i);
         if (pane.name == wxT("dummy"))
             continue;
-        wxTabFrame* tab_frame = (wxTabFrame*)pane.window;
-        wxAuiTabCtrl* tabctrl = tab_frame->m_tabs;
-        tab_frame->SetTabCtrlHeight(m_tab_ctrl_height);
-        tabctrl->SetArtProvider(art->Clone());
-        tab_frame->DoSizing();
+        tab_ctrl_count++;
+    }
+
+    wxSize new_split_size;
+
+    // if there is only one tab control, the first split
+    // should happen around the middle
+    if (tab_ctrl_count < 2)
+    {
+        new_split_size = GetClientSize();
+        new_split_size.x /= 2;
+        new_split_size.y /= 2;
     }
     }
-    
+    else
+    {
+        // this is in place of a more complicated calculation
+        // that needs to be implemented
+        new_split_size = wxSize(180,180);
+    }
+
+    return new_split_size;
+}
+
+int wxAuiNotebook::CalculateTabCtrlHeight()
+{
+    // if a fixed tab ctrl height is specified,
+    // just return that instead of calculating a
+    // tab height
+    if (m_requested_tabctrl_height != -1)
+        return m_requested_tabctrl_height;
+
+    // find out new best tab height
+    wxAuiTabArt* art = m_tabs.GetArtProvider();
+
+    return art->GetBestTabCtrlSize(this,
+                                   m_tabs.GetPages(),
+                                   m_requested_bmp_size);
 }
 
 }
 
-wxAuiTabArt* wxAuiNotebook::GetArtProvider()
+
+wxAuiTabArt* wxAuiNotebook::GetArtProvider() const
 {
     return m_tabs.GetArtProvider();
 }
 {
     return m_tabs.GetArtProvider();
 }
@@ -2264,14 +3055,14 @@ wxAuiTabArt* wxAuiNotebook::GetArtProvider()
 void wxAuiNotebook::SetWindowStyleFlag(long style)
 {
     wxControl::SetWindowStyleFlag(style);
 void wxAuiNotebook::SetWindowStyleFlag(long style)
 {
     wxControl::SetWindowStyleFlag(style);
-    
+
     m_flags = (unsigned int)style;
     m_flags = (unsigned int)style;
-    
+
     // if the control is already initialized
     if (m_mgr.GetManagedWindow() == (wxWindow*)this)
     {
         // let all of the tab children know about the new style
     // if the control is already initialized
     if (m_mgr.GetManagedWindow() == (wxWindow*)this)
     {
         // let all of the tab children know about the new style
-        
+
         wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
         size_t i, pane_count = all_panes.GetCount();
         for (i = 0; i < pane_count; ++i)
         wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
         size_t i, pane_count = all_panes.GetCount();
         for (i = 0; i < pane_count; ++i)
@@ -2279,8 +3070,10 @@ void wxAuiNotebook::SetWindowStyleFlag(long style)
             wxAuiPaneInfo& pane = all_panes.Item(i);
             if (pane.name == wxT("dummy"))
                 continue;
             wxAuiPaneInfo& pane = all_panes.Item(i);
             if (pane.name == wxT("dummy"))
                 continue;
-            wxAuiTabCtrl* tabctrl = ((wxTabFrame*)pane.window)->m_tabs;
+            wxTabFrame* tabframe = (wxTabFrame*)pane.window;
+            wxAuiTabCtrl* tabctrl = tabframe->m_tabs;
             tabctrl->SetFlags(m_flags);
             tabctrl->SetFlags(m_flags);
+            tabframe->DoSizing();
             tabctrl->Refresh();
             tabctrl->Update();
         }
             tabctrl->Refresh();
             tabctrl->Update();
         }
@@ -2302,6 +3095,12 @@ bool wxAuiNotebook::InsertPage(size_t page_idx,
                                bool select,
                                const wxBitmap& bitmap)
 {
                                bool select,
                                const wxBitmap& bitmap)
 {
+    wxASSERT_MSG(page, wxT("page pointer must be non-NULL"));
+    if (!page)
+        return false;
+
+    page->Reparent(this);
+
     wxAuiNotebookPage info;
     info.window = page;
     info.caption = caption;
     wxAuiNotebookPage info;
     info.window = page;
     info.caption = caption;
@@ -2315,21 +3114,30 @@ bool wxAuiNotebook::InsertPage(size_t page_idx,
 
     m_tabs.InsertPage(page, info, page_idx);
 
 
     m_tabs.InsertPage(page, info, page_idx);
 
+    // if that was the first page added, even if
+    // select is false, it must become the "current page"
+    // (though no select events will be fired)
+    if (!select && m_tabs.GetPageCount() == 1)
+        select = true;
+        //m_curpage = GetPageIndex(page);
+
     wxAuiTabCtrl* active_tabctrl = GetActiveTabCtrl();
     if (page_idx >= active_tabctrl->GetPageCount())
         active_tabctrl->AddPage(page, info);
     wxAuiTabCtrl* active_tabctrl = GetActiveTabCtrl();
     if (page_idx >= active_tabctrl->GetPageCount())
         active_tabctrl->AddPage(page, info);
-         else
+    else
         active_tabctrl->InsertPage(page, info, page_idx);
 
         active_tabctrl->InsertPage(page, info, page_idx);
 
+    UpdateTabCtrlHeight();
     DoSizing();
     active_tabctrl->DoShowHide();
 
     DoSizing();
     active_tabctrl->DoShowHide();
 
+    // adjust selected index
+    if(m_curpage >= (int) page_idx)
+        m_curpage++;
+
     if (select)
     {
     if (select)
     {
-        int idx = m_tabs.GetIdxFromWindow(page);
-        wxASSERT_MSG(idx != -1, wxT("Invalid Page index returned on wxAuiNotebook::InsertPage()"));
-
-        SetSelection(idx);
+        SetSelectionToWindow(page);
     }
 
     return true;
     }
 
     return true;
@@ -2339,13 +3147,20 @@ bool wxAuiNotebook::InsertPage(size_t page_idx,
 // DeletePage() removes a tab from the multi-notebook,
 // and destroys the window as well
 bool wxAuiNotebook::DeletePage(size_t page_idx)
 // DeletePage() removes a tab from the multi-notebook,
 // and destroys the window as well
 bool wxAuiNotebook::DeletePage(size_t page_idx)
-{    
+{
+    if (page_idx >= m_tabs.GetPageCount())
+        return false;
+
     wxWindow* wnd = m_tabs.GetWindowFromIdx(page_idx);
 
     wxWindow* wnd = m_tabs.GetWindowFromIdx(page_idx);
 
+    // hide the window in advance, as this will
+    // prevent flicker
+    ShowWnd(wnd, false);
+
     if (!RemovePage(page_idx))
         return false;
 
     if (!RemovePage(page_idx))
         return false;
 
-
+#if wxUSE_MDI
     // actually destroy the window now
     if (wnd->IsKindOf(CLASSINFO(wxAuiMDIChildFrame)))
     {
     // actually destroy the window now
     if (wnd->IsKindOf(CLASSINFO(wxAuiMDIChildFrame)))
     {
@@ -2354,11 +3169,12 @@ bool wxAuiNotebook::DeletePage(size_t page_idx)
         if (!wxPendingDelete.Member(wnd))
             wxPendingDelete.Append(wnd);
     }
         if (!wxPendingDelete.Member(wnd))
             wxPendingDelete.Append(wnd);
     }
-     else
+    else
+#endif
     {
         wnd->Destroy();
     }
     {
         wnd->Destroy();
     }
-    
+
     return true;
 }
 
     return true;
 }
 
@@ -2368,39 +3184,28 @@ bool wxAuiNotebook::DeletePage(size_t page_idx)
 // but does not destroy the window
 bool wxAuiNotebook::RemovePage(size_t page_idx)
 {
 // but does not destroy the window
 bool wxAuiNotebook::RemovePage(size_t page_idx)
 {
+    // save active window pointer
+    wxWindow* active_wnd = NULL;
+    if (m_curpage >= 0)
+        active_wnd = m_tabs.GetWindowFromIdx(m_curpage);
+
+    // save pointer of window being deleted
     wxWindow* wnd = m_tabs.GetWindowFromIdx(page_idx);
     wxWindow* new_active = NULL;
 
     wxWindow* wnd = m_tabs.GetWindowFromIdx(page_idx);
     wxWindow* new_active = NULL;
 
+    // make sure we found the page
+    if (!wnd)
+        return false;
+
     // find out which onscreen tab ctrl owns this tab
     wxAuiTabCtrl* ctrl;
     int ctrl_idx;
     if (!FindTab(wnd, &ctrl, &ctrl_idx))
         return false;
 
     // find out which onscreen tab ctrl owns this tab
     wxAuiTabCtrl* ctrl;
     int ctrl_idx;
     if (!FindTab(wnd, &ctrl, &ctrl_idx))
         return false;
 
-    // find a new page and set it as active
-    int new_idx = ctrl_idx+1;
-    if (new_idx >= (int)ctrl->GetPageCount())
-        new_idx = ctrl_idx-1;
+    bool is_curpage = (m_curpage == (int)page_idx);
+    bool is_active_in_split = ctrl->GetPage(ctrl_idx).active;
 
 
-    if (new_idx >= 0 && new_idx < (int)ctrl->GetPageCount())
-    {
-        new_active = ctrl->GetWindowFromIdx(new_idx);
-    }
-     else
-    {
-        // set the active page to the first page that
-        // isn't the one being deleted
-        size_t i, page_count = m_tabs.GetPageCount();
-        for (i = 0; i < page_count; ++i)
-        {
-            wxWindow* w = m_tabs.GetWindowFromIdx(i);
-            if (wnd != w)
-            {
-                new_active = m_tabs.GetWindowFromIdx(i);
-                break;
-            }
-        }
-    }
 
     // remove the tab from main catalog
     if (!m_tabs.RemovePage(wnd))
 
     // remove the tab from main catalog
     if (!m_tabs.RemovePage(wnd))
@@ -2409,19 +3214,72 @@ bool wxAuiNotebook::RemovePage(size_t page_idx)
     // remove the tab from the onscreen tab ctrl
     ctrl->RemovePage(wnd);
 
     // remove the tab from the onscreen tab ctrl
     ctrl->RemovePage(wnd);
 
+    if (is_active_in_split)
+    {
+        int ctrl_new_page_count = (int)ctrl->GetPageCount();
 
 
-    RemoveEmptyTabFrames();
+        if (ctrl_idx >= ctrl_new_page_count)
+            ctrl_idx = ctrl_new_page_count-1;
+
+        if (ctrl_idx >= 0 && ctrl_idx < (int)ctrl->GetPageCount())
+        {
+            // set new page as active in the tab split
+            ctrl->SetActivePage(ctrl_idx);
 
 
-    // set new active pane
-    if (new_active)
+            // if the page deleted was the current page for the
+            // entire tab control, then record the window
+            // pointer of the new active page for activation
+            if (is_curpage)
+            {
+                new_active = ctrl->GetWindowFromIdx(ctrl_idx);
+            }
+        }
+    }
+    else
     {
     {
-        m_curpage = -1;
-        SetSelection(m_tabs.GetIdxFromWindow(new_active));
+        // we are not deleting the active page, so keep it the same
+        new_active = active_wnd;
+    }
+
+
+    if (!new_active)
+    {
+        // we haven't yet found a new page to active,
+        // so select the next page from the main tab
+        // catalogue
+
+        if (page_idx < m_tabs.GetPageCount())
+        {
+            new_active = m_tabs.GetPage(page_idx).window;
+        }
+
+        if (!new_active && m_tabs.GetPageCount() > 0)
+        {
+            new_active = m_tabs.GetPage(0).window;
+        }
     }
     }
-    
+
+
+    RemoveEmptyTabFrames();
+
+    m_curpage = wxNOT_FOUND;
+
+    // set new active pane unless we're being destroyed anyhow
+    if (new_active && !m_isBeingDeleted)
+        SetSelectionToWindow(new_active);
+
     return true;
 }
 
     return true;
 }
 
+// GetPageIndex() returns the index of the page, or -1 if the
+// page could not be located in the notebook
+int wxAuiNotebook::GetPageIndex(wxWindow* page_wnd) const
+{
+    return m_tabs.GetIdxFromWindow(page_wnd);
+}
+
+
+
 // SetPageText() changes the tab caption of the specified page
 bool wxAuiNotebook::SetPageText(size_t page_idx, const wxString& text)
 {
 // SetPageText() changes the tab caption of the specified page
 bool wxAuiNotebook::SetPageText(size_t page_idx, const wxString& text)
 {
@@ -2446,6 +3304,54 @@ bool wxAuiNotebook::SetPageText(size_t page_idx, const wxString& text)
     return true;
 }
 
     return true;
 }
 
+// returns the page caption
+wxString wxAuiNotebook::GetPageText(size_t page_idx) const
+{
+    if (page_idx >= m_tabs.GetPageCount())
+        return wxEmptyString;
+
+    // update our own tab catalog
+    const wxAuiNotebookPage& page_info = m_tabs.GetPage(page_idx);
+    return page_info.caption;
+}
+
+bool wxAuiNotebook::SetPageBitmap(size_t page_idx, const wxBitmap& bitmap)
+{
+    if (page_idx >= m_tabs.GetPageCount())
+        return false;
+
+    // update our own tab catalog
+    wxAuiNotebookPage& page_info = m_tabs.GetPage(page_idx);
+    page_info.bitmap = bitmap;
+
+    // tab height might have changed
+    UpdateTabCtrlHeight();
+
+    // update what's on screen
+    wxAuiTabCtrl* ctrl;
+    int ctrl_idx;
+    if (FindTab(page_info.window, &ctrl, &ctrl_idx))
+    {
+        wxAuiNotebookPage& info = ctrl->GetPage(ctrl_idx);
+        info.bitmap = bitmap;
+        ctrl->Refresh();
+        ctrl->Update();
+    }
+
+    return true;
+}
+
+// returns the page bitmap
+wxBitmap wxAuiNotebook::GetPageBitmap(size_t page_idx) const
+{
+    if (page_idx >= m_tabs.GetPageCount())
+        return wxBitmap();
+
+    // update our own tab catalog
+    const wxAuiNotebookPage& page_info = m_tabs.GetPage(page_idx);
+    return page_info.bitmap;
+}
+
 // GetSelection() returns the index of the currently active page
 int wxAuiNotebook::GetSelection() const
 {
 // GetSelection() returns the index of the currently active page
 int wxAuiNotebook::GetSelection() const
 {
@@ -2459,18 +3365,34 @@ size_t wxAuiNotebook::SetSelection(size_t new_page)
     if (!wnd)
         return m_curpage;
 
     if (!wnd)
         return m_curpage;
 
+    // don't change the page unless necessary;
+    // however, clicking again on a tab should give it the focus.
+    if ((int)new_page == m_curpage)
+    {
+        wxAuiTabCtrl* ctrl;
+        int ctrl_idx;
+        if (FindTab(wnd, &ctrl, &ctrl_idx))
+        {
+            if (FindFocus() != ctrl)
+                ctrl->SetFocus();
+        }
+        return m_curpage;
+    }
+
     wxAuiNotebookEvent evt(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CHANGING, m_windowId);
     evt.SetSelection(new_page);
     evt.SetOldSelection(m_curpage);
     evt.SetEventObject(this);
     if (!GetEventHandler()->ProcessEvent(evt) || evt.IsAllowed())
     {
     wxAuiNotebookEvent evt(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CHANGING, m_windowId);
     evt.SetSelection(new_page);
     evt.SetOldSelection(m_curpage);
     evt.SetEventObject(this);
     if (!GetEventHandler()->ProcessEvent(evt) || evt.IsAllowed())
     {
+        int old_curpage = m_curpage;
+        m_curpage = new_page;
+
         // program allows the page change
         evt.SetEventType(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CHANGED);
         (void)GetEventHandler()->ProcessEvent(evt);
 
 
         // program allows the page change
         evt.SetEventType(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CHANGED);
         (void)GetEventHandler()->ProcessEvent(evt);
 
 
-
         wxAuiTabCtrl* ctrl;
         int ctrl_idx;
         if (FindTab(wnd, &ctrl, &ctrl_idx))
         wxAuiTabCtrl* ctrl;
         int ctrl_idx;
         if (FindTab(wnd, &ctrl, &ctrl_idx))
@@ -2481,9 +3403,7 @@ size_t wxAuiNotebook::SetSelection(size_t new_page)
             DoSizing();
             ctrl->DoShowHide();
 
             DoSizing();
             ctrl->DoShowHide();
 
-            int old_curpage = m_curpage;
-            m_curpage = new_page;
-
+            ctrl->MakeTabVisible(ctrl_idx, ctrl);
 
             // set fonts
             wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
 
             // set fonts
             wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
@@ -2496,12 +3416,15 @@ size_t wxAuiNotebook::SetSelection(size_t new_page)
                 wxAuiTabCtrl* tabctrl = ((wxTabFrame*)pane.window)->m_tabs;
                 if (tabctrl != ctrl)
                     tabctrl->SetSelectedFont(m_normal_font);
                 wxAuiTabCtrl* tabctrl = ((wxTabFrame*)pane.window)->m_tabs;
                 if (tabctrl != ctrl)
                     tabctrl->SetSelectedFont(m_normal_font);
-                     else
+                else
                     tabctrl->SetSelectedFont(m_selected_font);
                 tabctrl->Refresh();
             }
 
                     tabctrl->SetSelectedFont(m_selected_font);
                 tabctrl->Refresh();
             }
 
-            wnd->SetFocus();
+            // Set the focus to the page if we're not currently focused on the tab.
+            // This is Firefox-like behaviour.
+            if (wnd->IsShownOnScreen() && FindFocus() != ctrl)
+                wnd->SetFocus();
 
             return old_curpage;
         }
 
             return old_curpage;
         }
@@ -2510,6 +3433,29 @@ size_t wxAuiNotebook::SetSelection(size_t new_page)
     return m_curpage;
 }
 
     return m_curpage;
 }
 
+void wxAuiNotebook::SetSelectionToWindow(wxWindow *win)
+{
+    const int idx = m_tabs.GetIdxFromWindow(win);
+    wxCHECK_RET( idx != wxNOT_FOUND, wxT("invalid notebook page") );
+
+
+    // since a tab was clicked, let the parent know that we received
+    // the focus, even if we will assign that focus immediately
+    // to the child tab in the SetSelection call below
+    // (the child focus event will also let wxAuiManager, if any,
+    // know that the notebook control has been activated)
+
+    wxWindow* parent = GetParent();
+    if (parent)
+    {
+        wxChildFocusEvent eventFocus(this);
+        parent->GetEventHandler()->ProcessEvent(eventFocus);
+    }
+
+
+    SetSelection(idx);
+}
+
 // GetPageCount() returns the total number of
 // pages managed by the multi-notebook
 size_t wxAuiNotebook::GetPageCount() const
 // GetPageCount() returns the total number of
 // pages managed by the multi-notebook
 size_t wxAuiNotebook::GetPageCount() const
@@ -2577,7 +3523,7 @@ wxAuiTabCtrl* wxAuiNotebook::GetActiveTabCtrl()
                                         m_tab_id_counter++,
                                         wxDefaultPosition,
                                         wxDefaultSize,
                                         m_tab_id_counter++,
                                         wxDefaultPosition,
                                         wxDefaultSize,
-                                        wxNO_BORDER);
+                                        wxNO_BORDER|wxWANTS_CHARS);
     tabframe->m_tabs->SetFlags(m_flags);
     tabframe->m_tabs->SetArtProvider(m_tabs.GetArtProvider()->Clone());
     m_mgr.AddPane(tabframe,
     tabframe->m_tabs->SetFlags(m_flags);
     tabframe->m_tabs->SetArtProvider(m_tabs.GetArtProvider()->Clone());
     m_mgr.AddPane(tabframe,
@@ -2614,37 +3560,152 @@ bool wxAuiNotebook::FindTab(wxWindow* page, wxAuiTabCtrl** ctrl, int* idx)
     return false;
 }
 
     return false;
 }
 
-
-void wxAuiNotebook::OnEraseBackground(wxEraseEvent&)
+void wxAuiNotebook::Split(size_t page, int direction)
 {
 {
+    wxSize cli_size = GetClientSize();
+
+    // get the page's window pointer
+    wxWindow* wnd = GetPage(page);
+    if (!wnd)
+        return;
+
+    // notebooks with 1 or less pages can't be split
+    if (GetPageCount() < 2)
+        return;
+
+    // find out which tab control the page currently belongs to
+    wxAuiTabCtrl *src_tabs, *dest_tabs;
+    int src_idx = -1;
+    src_tabs = NULL;
+    if (!FindTab(wnd, &src_tabs, &src_idx))
+        return;
+    if (!src_tabs || src_idx == -1)
+        return;
+
+    // choose a split size
+    wxSize split_size;
+    if (GetPageCount() > 2)
+    {
+        split_size = CalculateNewSplitSize();
+    }
+    else
+    {
+        // because there are two panes, always split them
+        // equally
+        split_size = GetClientSize();
+        split_size.x /= 2;
+        split_size.y /= 2;
+    }
+
+
+    // create a new tab frame
+    wxTabFrame* new_tabs = new wxTabFrame;
+    new_tabs->m_rect = wxRect(wxPoint(0,0), split_size);
+    new_tabs->SetTabCtrlHeight(m_tab_ctrl_height);
+    new_tabs->m_tabs = new wxAuiTabCtrl(this,
+                                        m_tab_id_counter++,
+                                        wxDefaultPosition,
+                                        wxDefaultSize,
+                                        wxNO_BORDER|wxWANTS_CHARS);
+    new_tabs->m_tabs->SetArtProvider(m_tabs.GetArtProvider()->Clone());
+    new_tabs->m_tabs->SetFlags(m_flags);
+    dest_tabs = new_tabs->m_tabs;
+
+    // create a pane info structure with the information
+    // about where the pane should be added
+    wxAuiPaneInfo pane_info = wxAuiPaneInfo().Bottom().CaptionVisible(false);
+    wxPoint mouse_pt;
+
+    if (direction == wxLEFT)
+    {
+        pane_info.Left();
+        mouse_pt = wxPoint(0, cli_size.y/2);
+    }
+    else if (direction == wxRIGHT)
+    {
+        pane_info.Right();
+        mouse_pt = wxPoint(cli_size.x, cli_size.y/2);
+    }
+    else if (direction == wxTOP)
+    {
+        pane_info.Top();
+        mouse_pt = wxPoint(cli_size.x/2, 0);
+    }
+    else if (direction == wxBOTTOM)
+    {
+        pane_info.Bottom();
+        mouse_pt = wxPoint(cli_size.x/2, cli_size.y);
+    }
+
+    m_mgr.AddPane(new_tabs, pane_info, mouse_pt);
+    m_mgr.Update();
+
+    // remove the page from the source tabs
+    wxAuiNotebookPage page_info = src_tabs->GetPage(src_idx);
+    page_info.active = false;
+    src_tabs->RemovePage(page_info.window);
+    if (src_tabs->GetPageCount() > 0)
+    {
+        src_tabs->SetActivePage((size_t)0);
+        src_tabs->DoShowHide();
+        src_tabs->Refresh();
+    }
+
+
+    // add the page to the destination tabs
+    dest_tabs->InsertPage(page_info.window, page_info, 0);
+
+    if (src_tabs->GetPageCount() == 0)
+    {
+        RemoveEmptyTabFrames();
+    }
+
+    DoSizing();
+    dest_tabs->DoShowHide();
+    dest_tabs->Refresh();
+
+    // force the set selection function reset the selection
+    m_curpage = -1;
+
+    // set the active page to the one we just split off
+    SetSelectionToPage(page_info);
+
+    UpdateHintWindowSize();
 }
 
 }
 
-void wxAuiNotebook::OnSize(wxSizeEvent&)
+
+void wxAuiNotebook::OnSize(wxSizeEvent& evt)
 {
 {
+    UpdateHintWindowSize();
+
+    evt.Skip();
 }
 
 }
 
-void wxAuiNotebook::OnTabClicked(wxCommandEvent& command_evt)
+void wxAuiNotebook::OnTabClicked(wxAuiNotebookEvent& evt)
 {
 {
-    wxAuiNotebookEvent& evt = (wxAuiNotebookEvent&)command_evt;
-
     wxAuiTabCtrl* ctrl = (wxAuiTabCtrl*)evt.GetEventObject();
     wxASSERT(ctrl != NULL);
 
     wxWindow* wnd = ctrl->GetWindowFromIdx(evt.GetSelection());
     wxASSERT(wnd != NULL);
 
     wxAuiTabCtrl* ctrl = (wxAuiTabCtrl*)evt.GetEventObject();
     wxASSERT(ctrl != NULL);
 
     wxWindow* wnd = ctrl->GetWindowFromIdx(evt.GetSelection());
     wxASSERT(wnd != NULL);
 
-    int idx = m_tabs.GetIdxFromWindow(wnd);
-    wxASSERT(idx != -1);
+    SetSelectionToWindow(wnd);
+}
 
 
-    SetSelection(idx);
+void wxAuiNotebook::OnTabBgDClick(wxAuiNotebookEvent& WXUNUSED(evt))
+{
+    // notify owner that the tabbar background has been double-clicked
+    wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_BG_DCLICK, m_windowId);
+    e.SetEventObject(this);
+    GetEventHandler()->ProcessEvent(e);
 }
 
 }
 
-void wxAuiNotebook::OnTabBeginDrag(wxCommandEvent&)
+void wxAuiNotebook::OnTabBeginDrag(wxAuiNotebookEvent&)
 {
     m_last_drag_x = 0;
 }
 
 {
     m_last_drag_x = 0;
 }
 
-void wxAuiNotebook::OnTabDragMotion(wxCommandEvent& evt)
+void wxAuiNotebook::OnTabDragMotion(wxAuiNotebookEvent& evt)
 {
     wxPoint screen_pt = ::wxGetMousePosition();
     wxPoint client_pt = ScreenToClient(screen_pt);
 {
     wxPoint screen_pt = ::wxGetMousePosition();
     wxPoint client_pt = ScreenToClient(screen_pt);
@@ -2652,32 +3713,32 @@ void wxAuiNotebook::OnTabDragMotion(wxCommandEvent& evt)
 
     wxAuiTabCtrl* src_tabs = (wxAuiTabCtrl*)evt.GetEventObject();
     wxAuiTabCtrl* dest_tabs = GetTabCtrlFromPoint(client_pt);
 
     wxAuiTabCtrl* src_tabs = (wxAuiTabCtrl*)evt.GetEventObject();
     wxAuiTabCtrl* dest_tabs = GetTabCtrlFromPoint(client_pt);
-    
+
     if (dest_tabs == src_tabs)
     {
         if (src_tabs)
         {
             src_tabs->SetCursor(wxCursor(wxCURSOR_ARROW));
         }
     if (dest_tabs == src_tabs)
     {
         if (src_tabs)
         {
             src_tabs->SetCursor(wxCursor(wxCURSOR_ARROW));
         }
-        
+
         // always hide the hint for inner-tabctrl drag
         m_mgr.HideHint();
         // always hide the hint for inner-tabctrl drag
         m_mgr.HideHint();
-        
+
         // if tab moving is not allowed, leave
         if (!(m_flags & wxAUI_NB_TAB_MOVE))
         {
             return;
         }
         // if tab moving is not allowed, leave
         if (!(m_flags & wxAUI_NB_TAB_MOVE))
         {
             return;
         }
-                
+
         wxPoint pt = dest_tabs->ScreenToClient(screen_pt);
         wxWindow* dest_location_tab;
         wxPoint pt = dest_tabs->ScreenToClient(screen_pt);
         wxWindow* dest_location_tab;
-        
+
         // this is an inner-tab drag/reposition
         if (dest_tabs->TabHitTest(pt.x, pt.y, &dest_location_tab))
         {
             int src_idx = evt.GetSelection();
             int dest_idx = dest_tabs->GetIdxFromWindow(dest_location_tab);
         // this is an inner-tab drag/reposition
         if (dest_tabs->TabHitTest(pt.x, pt.y, &dest_location_tab))
         {
             int src_idx = evt.GetSelection();
             int dest_idx = dest_tabs->GetIdxFromWindow(dest_location_tab);
-            
+
             // prevent jumpy drag
             if ((src_idx == dest_idx) || dest_idx == -1 ||
                 (src_idx > dest_idx && m_last_drag_x <= pt.x) ||
             // prevent jumpy drag
             if ((src_idx == dest_idx) || dest_idx == -1 ||
                 (src_idx > dest_idx && m_last_drag_x <= pt.x) ||
@@ -2696,7 +3757,7 @@ void wxAuiNotebook::OnTabDragMotion(wxCommandEvent& evt)
             m_last_drag_x = pt.x;
 
         }
             m_last_drag_x = pt.x;
 
         }
-        
+
         return;
     }
 
         return;
     }
 
@@ -2706,9 +3767,13 @@ void wxAuiNotebook::OnTabDragMotion(wxCommandEvent& evt)
     if (m_flags & wxAUI_NB_TAB_EXTERNAL_MOVE)
     {
         wxWindow* tab_ctrl = ::wxFindWindowAtPoint(screen_pt);
     if (m_flags & wxAUI_NB_TAB_EXTERNAL_MOVE)
     {
         wxWindow* tab_ctrl = ::wxFindWindowAtPoint(screen_pt);
-        
+
+        // if we aren't over any window, stop here
+        if (!tab_ctrl)
+            return;
+
         // make sure we are not over the hint window
         // make sure we are not over the hint window
-        if (tab_ctrl && !tab_ctrl->IsKindOf(CLASSINFO(wxFrame)))
+        if (!tab_ctrl->IsKindOf(CLASSINFO(wxFrame)))
         {
             while (tab_ctrl)
             {
         {
             while (tab_ctrl)
             {
@@ -2716,19 +3781,27 @@ void wxAuiNotebook::OnTabDragMotion(wxCommandEvent& evt)
                     break;
                 tab_ctrl = tab_ctrl->GetParent();
             }
                     break;
                 tab_ctrl = tab_ctrl->GetParent();
             }
-            
+
             if (tab_ctrl)
             {
                 wxAuiNotebook* nb = (wxAuiNotebook*)tab_ctrl->GetParent();
             if (tab_ctrl)
             {
                 wxAuiNotebook* nb = (wxAuiNotebook*)tab_ctrl->GetParent();
-                
+
                 if (nb != this)
                 {
                 if (nb != this)
                 {
-                    wxRect hint_rect = tab_ctrl->GetRect();
+                    wxRect hint_rect = tab_ctrl->GetClientRect();
                     tab_ctrl->ClientToScreen(&hint_rect.x, &hint_rect.y);
                     m_mgr.ShowHint(hint_rect);
                     return;
                 }
                     tab_ctrl->ClientToScreen(&hint_rect.x, &hint_rect.y);
                     m_mgr.ShowHint(hint_rect);
                     return;
                 }
-                
+            }
+        }
+        else
+        {
+            if (!dest_tabs)
+            {
+                // we are either over a hint window, or not over a tab
+                // window, and there is no where to drag to, so exit
+                return;
             }
         }
     }
             }
         }
     }
@@ -2737,7 +3810,7 @@ void wxAuiNotebook::OnTabDragMotion(wxCommandEvent& evt)
     // if there are less than two panes, split can't happen, so leave
     if (m_tabs.GetPageCount() < 2)
         return;
     // if there are less than two panes, split can't happen, so leave
     if (m_tabs.GetPageCount() < 2)
         return;
-    
+
     // if tab moving is not allowed, leave
     if (!(m_flags & wxAUI_NB_TAB_SPLIT))
         return;
     // if tab moving is not allowed, leave
     if (!(m_flags & wxAUI_NB_TAB_SPLIT))
         return;
@@ -2747,15 +3820,15 @@ void wxAuiNotebook::OnTabDragMotion(wxCommandEvent& evt)
     {
         src_tabs->SetCursor(wxCursor(wxCURSOR_SIZING));
     }
     {
         src_tabs->SetCursor(wxCursor(wxCURSOR_SIZING));
     }
-    
-    
+
+
     if (dest_tabs)
     {
         wxRect hint_rect = dest_tabs->GetRect();
         ClientToScreen(&hint_rect.x, &hint_rect.y);
         m_mgr.ShowHint(hint_rect);
     }
     if (dest_tabs)
     {
         wxRect hint_rect = dest_tabs->GetRect();
         ClientToScreen(&hint_rect.x, &hint_rect.y);
         m_mgr.ShowHint(hint_rect);
     }
-     else
+    else
     {
         m_mgr.DrawHintRect(m_dummy_wnd, client_pt, zero);
     }
     {
         m_mgr.DrawHintRect(m_dummy_wnd, client_pt, zero);
     }
@@ -2763,21 +3836,16 @@ void wxAuiNotebook::OnTabDragMotion(wxCommandEvent& evt)
 
 
 
 
 
 
-void wxAuiNotebook::OnTabEndDrag(wxCommandEvent& command_evt)
+void wxAuiNotebook::OnTabEndDrag(wxAuiNotebookEvent& evt)
 {
 {
-    wxAuiNotebookEvent& evt = (wxAuiNotebookEvent&)command_evt;
-
     m_mgr.HideHint();
 
     m_mgr.HideHint();
 
-    
+
     wxAuiTabCtrl* src_tabs = (wxAuiTabCtrl*)evt.GetEventObject();
     wxAuiTabCtrl* src_tabs = (wxAuiTabCtrl*)evt.GetEventObject();
-    wxAuiTabCtrl* dest_tabs = NULL;
-    if (src_tabs)
-    {
-        // set cursor back to an arrow
-        src_tabs->SetCursor(wxCursor(wxCURSOR_ARROW));
-    }
-    
+    wxCHECK_RET( src_tabs, wxT("no source object?") );
+
+    src_tabs->SetCursor(wxCursor(wxCURSOR_ARROW));
+
     // get the mouse position, which will be used to determine the drop point
     wxPoint mouse_screen_pt = ::wxGetMousePosition();
     wxPoint mouse_client_pt = ScreenToClient(mouse_screen_pt);
     // get the mouse position, which will be used to determine the drop point
     wxPoint mouse_screen_pt = ::wxGetMousePosition();
     wxPoint mouse_client_pt = ScreenToClient(mouse_screen_pt);
@@ -2788,18 +3856,18 @@ void wxAuiNotebook::OnTabEndDrag(wxCommandEvent& command_evt)
     if (m_flags & wxAUI_NB_TAB_EXTERNAL_MOVE)
     {
         wxWindow* tab_ctrl = ::wxFindWindowAtPoint(mouse_screen_pt);
     if (m_flags & wxAUI_NB_TAB_EXTERNAL_MOVE)
     {
         wxWindow* tab_ctrl = ::wxFindWindowAtPoint(mouse_screen_pt);
-        
+
         while (tab_ctrl)
         {
             if (tab_ctrl->IsKindOf(CLASSINFO(wxAuiTabCtrl)))
                 break;
             tab_ctrl = tab_ctrl->GetParent();
         }
         while (tab_ctrl)
         {
             if (tab_ctrl->IsKindOf(CLASSINFO(wxAuiTabCtrl)))
                 break;
             tab_ctrl = tab_ctrl->GetParent();
         }
-        
+
         if (tab_ctrl)
         {
             wxAuiNotebook* nb = (wxAuiNotebook*)tab_ctrl->GetParent();
         if (tab_ctrl)
         {
             wxAuiNotebook* nb = (wxAuiNotebook*)tab_ctrl->GetParent();
-            
+
             if (nb != this)
             {
                 // find out from the destination control
             if (nb != this)
             {
                 // find out from the destination control
@@ -2810,33 +3878,46 @@ void wxAuiNotebook::OnTabEndDrag(wxCommandEvent& command_evt)
                 e.SetEventObject(this);
                 e.SetDragSource(this);
                 e.Veto(); // dropping must be explicitly approved by control owner
                 e.SetEventObject(this);
                 e.SetDragSource(this);
                 e.Veto(); // dropping must be explicitly approved by control owner
-                
+
                 nb->GetEventHandler()->ProcessEvent(e);
                 nb->GetEventHandler()->ProcessEvent(e);
-                
+
                 if (!e.IsAllowed())
                 {
                     // no answer or negative answer
                     m_mgr.HideHint();
                     return;
                 }
                 if (!e.IsAllowed())
                 {
                     // no answer or negative answer
                     m_mgr.HideHint();
                     return;
                 }
-                
+
                 // drop was allowed
                 int src_idx = evt.GetSelection();
                 wxWindow* src_page = src_tabs->GetWindowFromIdx(src_idx);
                 // drop was allowed
                 int src_idx = evt.GetSelection();
                 wxWindow* src_page = src_tabs->GetWindowFromIdx(src_idx);
-                
+
+                // Check that it's not an impossible parent relationship
+                wxWindow* p = nb;
+                while (p && !p->IsTopLevel())
+                {
+                    if (p == src_page)
+                    {
+                        return;
+                    }
+                    p = p->GetParent();
+                }
+
                 // get main index of the page
                 int main_idx = m_tabs.GetIdxFromWindow(src_page);
                 // get main index of the page
                 int main_idx = m_tabs.GetIdxFromWindow(src_page);
-                
+                wxCHECK_RET( main_idx != wxNOT_FOUND, wxT("no source page?") );
+
+
                 // make a copy of the page info
                 // make a copy of the page info
-                wxAuiNotebookPage page_info = m_tabs.GetPage((size_t)main_idx);
-                
+                wxAuiNotebookPage page_info = m_tabs.GetPage(main_idx);
+
                 // remove the page from the source notebook
                 RemovePage(main_idx);
                 // remove the page from the source notebook
                 RemovePage(main_idx);
-                
+
                 // reparent the page
                 src_page->Reparent(nb);
                 // reparent the page
                 src_page->Reparent(nb);
-                
-                
+
+
                 // found out the insert idx
                 wxAuiTabCtrl* dest_tabs = (wxAuiTabCtrl*)tab_ctrl;
                 wxPoint pt = dest_tabs->ScreenToClient(mouse_screen_pt);
                 // found out the insert idx
                 wxAuiTabCtrl* dest_tabs = (wxAuiTabCtrl*)tab_ctrl;
                 wxPoint pt = dest_tabs->ScreenToClient(mouse_screen_pt);
@@ -2849,7 +3930,7 @@ void wxAuiNotebook::OnTabEndDrag(wxCommandEvent& command_evt)
                     insert_idx = dest_tabs->GetIdxFromWindow(target);
                 }
 
                     insert_idx = dest_tabs->GetIdxFromWindow(target);
                 }
 
-                
+
                 // add the page to the new notebook
                 if (insert_idx == -1)
                     insert_idx = dest_tabs->GetPageCount();
                 // add the page to the new notebook
                 if (insert_idx == -1)
                     insert_idx = dest_tabs->GetPageCount();
@@ -2859,9 +3940,16 @@ void wxAuiNotebook::OnTabEndDrag(wxCommandEvent& command_evt)
                 nb->DoSizing();
                 dest_tabs->DoShowHide();
                 dest_tabs->Refresh();
                 nb->DoSizing();
                 dest_tabs->DoShowHide();
                 dest_tabs->Refresh();
-        
+
                 // set the selection in the destination tab control
                 // set the selection in the destination tab control
-                nb->SetSelection(nb->m_tabs.GetIdxFromWindow(page_info.window));
+                nb->SetSelectionToPage(page_info);
+
+                // notify owner that the tab has been dragged
+                wxAuiNotebookEvent e2(wxEVT_COMMAND_AUINOTEBOOK_DRAG_DONE, m_windowId);
+                e2.SetSelection(evt.GetSelection());
+                e2.SetOldSelection(evt.GetSelection());
+                e2.SetEventObject(this);
+                GetEventHandler()->ProcessEvent(e2);
 
                 return;
             }
 
                 return;
             }
@@ -2872,6 +3960,8 @@ void wxAuiNotebook::OnTabEndDrag(wxCommandEvent& command_evt)
 
 
     // only perform a tab split if it's allowed
 
 
     // only perform a tab split if it's allowed
+    wxAuiTabCtrl* dest_tabs = NULL;
+
     if ((m_flags & wxAUI_NB_TAB_SPLIT) && m_tabs.GetPageCount() >= 2)
     {
         // If the pointer is in an existing tab frame, do a tab insert
     if ((m_flags & wxAUI_NB_TAB_SPLIT) && m_tabs.GetPageCount() >= 2)
     {
         // If the pointer is in an existing tab frame, do a tab insert
@@ -2884,8 +3974,8 @@ void wxAuiNotebook::OnTabEndDrag(wxCommandEvent& command_evt)
 
             if (dest_tabs == src_tabs)
                 return;
 
             if (dest_tabs == src_tabs)
                 return;
-            
-                
+
+
             wxPoint pt = dest_tabs->ScreenToClient(mouse_screen_pt);
             wxWindow* target = NULL;
             dest_tabs->TabHitTest(pt.x, pt.y, &target);
             wxPoint pt = dest_tabs->ScreenToClient(mouse_screen_pt);
             wxWindow* target = NULL;
             dest_tabs->TabHitTest(pt.x, pt.y, &target);
@@ -2894,16 +3984,27 @@ void wxAuiNotebook::OnTabEndDrag(wxCommandEvent& command_evt)
                 insert_idx = dest_tabs->GetIdxFromWindow(target);
             }
         }
                 insert_idx = dest_tabs->GetIdxFromWindow(target);
             }
         }
-         else
+        else
         {
         {
+            wxPoint zero(0,0);
+            wxRect rect = m_mgr.CalculateHintRect(m_dummy_wnd,
+                                                  mouse_client_pt,
+                                                  zero);
+            if (rect.IsEmpty())
+            {
+                // there is no suitable drop location here, exit out
+                return;
+            }
+
             // If there is no tabframe at all, create one
             wxTabFrame* new_tabs = new wxTabFrame;
             // If there is no tabframe at all, create one
             wxTabFrame* new_tabs = new wxTabFrame;
+            new_tabs->m_rect = wxRect(wxPoint(0,0), CalculateNewSplitSize());
             new_tabs->SetTabCtrlHeight(m_tab_ctrl_height);
             new_tabs->m_tabs = new wxAuiTabCtrl(this,
                                                 m_tab_id_counter++,
                                                 wxDefaultPosition,
                                                 wxDefaultSize,
             new_tabs->SetTabCtrlHeight(m_tab_ctrl_height);
             new_tabs->m_tabs = new wxAuiTabCtrl(this,
                                                 m_tab_id_counter++,
                                                 wxDefaultPosition,
                                                 wxDefaultSize,
-                                                wxNO_BORDER);
+                                                wxNO_BORDER|wxWANTS_CHARS);
             new_tabs->m_tabs->SetArtProvider(m_tabs.GetArtProvider()->Clone());
             new_tabs->m_tabs->SetFlags(m_flags);
 
             new_tabs->m_tabs->SetArtProvider(m_tabs.GetArtProvider()->Clone());
             new_tabs->m_tabs->SetFlags(m_flags);
 
@@ -2943,8 +4044,21 @@ void wxAuiNotebook::OnTabEndDrag(wxCommandEvent& command_evt)
         dest_tabs->DoShowHide();
         dest_tabs->Refresh();
 
         dest_tabs->DoShowHide();
         dest_tabs->Refresh();
 
-        SetSelection(m_tabs.GetIdxFromWindow(page_info.window));
+        // force the set selection function reset the selection
+        m_curpage = -1;
+
+        // set the active page to the one we just split off
+        SetSelectionToPage(page_info);
+
+        UpdateHintWindowSize();
     }
     }
+
+    // notify owner that the tab has been dragged
+    wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_DRAG_DONE, m_windowId);
+    e.SetSelection(evt.GetSelection());
+    e.SetOldSelection(evt.GetSelection());
+    e.SetEventObject(this);
+    GetEventHandler()->ProcessEvent(e);
 }
 
 
 }
 
 
@@ -3009,7 +4123,8 @@ void wxAuiNotebook::RemoveEmptyTabFrames()
             // window closing, refreshs are pending
             if (!wxPendingDelete.Member(tab_frame->m_tabs))
                 wxPendingDelete.Append(tab_frame->m_tabs);
             // window closing, refreshs are pending
             if (!wxPendingDelete.Member(tab_frame->m_tabs))
                 wxPendingDelete.Append(tab_frame->m_tabs);
-            //tab_frame->m_tabs->Destroy();
+
+            tab_frame->m_tabs = NULL;
 
             delete tab_frame;
         }
 
             delete tab_frame;
         }
@@ -3037,11 +4152,35 @@ void wxAuiNotebook::RemoveEmptyTabFrames()
         m_mgr.GetPane(first_good).Centre();
     }
 
         m_mgr.GetPane(first_good).Centre();
     }
 
-    m_mgr.Update();
+    if (!m_isBeingDeleted)
+        m_mgr.Update();
 }
 
 }
 
-void wxAuiNotebook::OnChildFocus(wxChildFocusEvent& evt)
+void wxAuiNotebook::OnChildFocusNotebook(wxChildFocusEvent& evt)
 {
 {
+    evt.Skip();
+
+    // if we're dragging a tab, don't change the current selection.
+    // This code prevents a bug that used to happen when the hint window
+    // was hidden.  In the bug, the focus would return to the notebook
+    // child, which would then enter this handler and call
+    // SetSelection, which is not desired turn tab dragging.
+
+    wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
+    size_t i, pane_count = all_panes.GetCount();
+    for (i = 0; i < pane_count; ++i)
+    {
+        wxAuiPaneInfo& pane = all_panes.Item(i);
+        if (pane.name == wxT("dummy"))
+            continue;
+        wxTabFrame* tabframe = (wxTabFrame*)pane.window;
+        if (tabframe->m_tabs->IsDragging())
+            return;
+    }
+
+
+    // change the tab selection to the child
+    // which was focused
     int idx = m_tabs.GetIdxFromWindow(evt.GetWindow());
     if (idx != -1 && idx != m_curpage)
     {
     int idx = m_tabs.GetIdxFromWindow(evt.GetWindow());
     if (idx != -1 && idx != m_curpage)
     {
@@ -3049,26 +4188,107 @@ void wxAuiNotebook::OnChildFocus(wxChildFocusEvent& evt)
     }
 }
 
     }
 }
 
+void wxAuiNotebook::OnNavigationKeyNotebook(wxNavigationKeyEvent& event)
+{
+    if ( event.IsWindowChange() ) {
+        // change pages
+        // FIXME: the problem with this is that if we have a split notebook,
+        // we selection may go all over the place.
+        AdvanceSelection(event.GetDirection());
+    }
+    else {
+        // we get this event in 3 cases
+        //
+        // a) one of our pages might have generated it because the user TABbed
+        // out from it in which case we should propagate the event upwards and
+        // our parent will take care of setting the focus to prev/next sibling
+        //
+        // or
+        //
+        // b) the parent panel wants to give the focus to us so that we
+        // forward it to our selected page. We can't deal with this in
+        // OnSetFocus() because we don't know which direction the focus came
+        // from in this case and so can't choose between setting the focus to
+        // first or last panel child
+        //
+        // or
+        //
+        // c) we ourselves (see MSWTranslateMessage) generated the event
+        //
+        wxWindow * const parent = GetParent();
+
+        // 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 )
+        {
+            // no, it doesn't come from child, case (b) or (c): forward to a
+            // page but only if direction is backwards (TAB) or from ourselves,
+            if ( GetSelection() != wxNOT_FOUND &&
+                    (!event.GetDirection() || isFromSelf) )
+            {
+                // so that the page knows that the event comes from it's parent
+                // and is being propagated downwards
+                event.SetEventObject(this);
+
+                wxWindow *page = GetPage(GetSelection());
+                if ( !page->GetEventHandler()->ProcessEvent(event) )
+                {
+                    page->SetFocus();
+                }
+                //else: page manages focus inside it itself
+            }
+            else // otherwise set the focus to the notebook itself
+            {
+                SetFocus();
+            }
+        }
+        else
+        {
+            // it comes from our child, case (a), pass to the parent, but only
+            // if the direction is forwards. Otherwise set the focus to the
+            // notebook itself. The notebook is always the 'first' control of a
+            // page.
+            if ( !event.GetDirection() )
+            {
+                SetFocus();
+            }
+            else if ( parent )
+            {
+                event.SetCurrentFocus(this);
+                parent->GetEventHandler()->ProcessEvent(event);
+            }
+        }
+    }
+}
 
 
-void wxAuiNotebook::OnTabButton(wxCommandEvent& command_evt)
+void wxAuiNotebook::OnTabButton(wxAuiNotebookEvent& evt)
 {
 {
-    wxAuiNotebookEvent& evt = (wxAuiNotebookEvent&)command_evt;
     wxAuiTabCtrl* tabs = (wxAuiTabCtrl*)evt.GetEventObject();
 
     int button_id = evt.GetInt();
 
     if (button_id == wxAUI_BUTTON_CLOSE)
     {
     wxAuiTabCtrl* tabs = (wxAuiTabCtrl*)evt.GetEventObject();
 
     int button_id = evt.GetInt();
 
     if (button_id == wxAUI_BUTTON_CLOSE)
     {
-        int selection = tabs->GetActivePage();
+        int selection = evt.GetSelection();
+
+        if (selection == -1)
+        {
+            // if the close button is to the right, use the active
+            // page selection to determine which page to close
+            selection = tabs->GetActivePage();
+        }
 
         if (selection != -1)
         {
             wxWindow* close_wnd = tabs->GetWindowFromIdx(selection);
 
 
         if (selection != -1)
         {
             wxWindow* close_wnd = tabs->GetWindowFromIdx(selection);
 
-
             // ask owner if it's ok to close the tab
             wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CLOSE, m_windowId);
             e.SetSelection(m_tabs.GetIdxFromWindow(close_wnd));
             // ask owner if it's ok to close the tab
             wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CLOSE, m_windowId);
             e.SetSelection(m_tabs.GetIdxFromWindow(close_wnd));
+            const int idx = m_tabs.GetIdxFromWindow(close_wnd);
+            e.SetSelection(idx);
             e.SetOldSelection(evt.GetSelection());
             e.SetEventObject(this);
             GetEventHandler()->ProcessEvent(e);
             e.SetOldSelection(evt.GetSelection());
             e.SetEventObject(this);
             GetEventHandler()->ProcessEvent(e);
@@ -3076,20 +4296,199 @@ void wxAuiNotebook::OnTabButton(wxCommandEvent& command_evt)
                 return;
 
 
                 return;
 
 
+#if wxUSE_MDI
             if (close_wnd->IsKindOf(CLASSINFO(wxAuiMDIChildFrame)))
             {
                 close_wnd->Close();
             }
             if (close_wnd->IsKindOf(CLASSINFO(wxAuiMDIChildFrame)))
             {
                 close_wnd->Close();
             }
-             else
+            else
+#endif
             {
                 int main_idx = m_tabs.GetIdxFromWindow(close_wnd);
             {
                 int main_idx = m_tabs.GetIdxFromWindow(close_wnd);
+                wxCHECK_RET( main_idx != wxNOT_FOUND, wxT("no page to delete?") );
+
                 DeletePage(main_idx);
             }
                 DeletePage(main_idx);
             }
+
+            // notify owner that the tab has been closed
+            wxAuiNotebookEvent e2(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CLOSED, m_windowId);
+            e2.SetSelection(idx);
+            e2.SetEventObject(this);
+            GetEventHandler()->ProcessEvent(e2);
         }
     }
 }
 
 
         }
     }
 }
 
 
+void wxAuiNotebook::OnTabMiddleDown(wxAuiNotebookEvent& evt)
+{
+    // patch event through to owner
+    wxAuiTabCtrl* tabs = (wxAuiTabCtrl*)evt.GetEventObject();
+    wxWindow* wnd = tabs->GetWindowFromIdx(evt.GetSelection());
+
+    wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_TAB_MIDDLE_DOWN, m_windowId);
+    e.SetSelection(m_tabs.GetIdxFromWindow(wnd));
+    e.SetEventObject(this);
+    GetEventHandler()->ProcessEvent(e);
+}
+
+void wxAuiNotebook::OnTabMiddleUp(wxAuiNotebookEvent& evt)
+{
+    // if the wxAUI_NB_MIDDLE_CLICK_CLOSE is specified, middle
+    // click should act like a tab close action.  However, first
+    // give the owner an opportunity to handle the middle up event
+    // for custom action
+
+    wxAuiTabCtrl* tabs = (wxAuiTabCtrl*)evt.GetEventObject();
+    wxWindow* wnd = tabs->GetWindowFromIdx(evt.GetSelection());
 
 
+    wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_TAB_MIDDLE_UP, m_windowId);
+    e.SetSelection(m_tabs.GetIdxFromWindow(wnd));
+    e.SetEventObject(this);
+    if (GetEventHandler()->ProcessEvent(e))
+        return;
+    if (!e.IsAllowed())
+        return;
+
+    // check if we are supposed to close on middle-up
+    if ((m_flags & wxAUI_NB_MIDDLE_CLICK_CLOSE) == 0)
+        return;
+
+    // simulate the user pressing the close button on the tab
+    evt.SetInt(wxAUI_BUTTON_CLOSE);
+    OnTabButton(evt);
+}
+
+void wxAuiNotebook::OnTabRightDown(wxAuiNotebookEvent& evt)
+{
+    // patch event through to owner
+    wxAuiTabCtrl* tabs = (wxAuiTabCtrl*)evt.GetEventObject();
+    wxWindow* wnd = tabs->GetWindowFromIdx(evt.GetSelection());
+
+    wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_TAB_RIGHT_DOWN, m_windowId);
+    e.SetSelection(m_tabs.GetIdxFromWindow(wnd));
+    e.SetEventObject(this);
+    GetEventHandler()->ProcessEvent(e);
+}
+
+void wxAuiNotebook::OnTabRightUp(wxAuiNotebookEvent& evt)
+{
+    // patch event through to owner
+    wxAuiTabCtrl* tabs = (wxAuiTabCtrl*)evt.GetEventObject();
+    wxWindow* wnd = tabs->GetWindowFromIdx(evt.GetSelection());
+
+    wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_TAB_RIGHT_UP, m_windowId);
+    e.SetSelection(m_tabs.GetIdxFromWindow(wnd));
+    e.SetEventObject(this);
+    GetEventHandler()->ProcessEvent(e);
+}
+
+// Sets the normal font
+void wxAuiNotebook::SetNormalFont(const wxFont& font)
+{
+    m_normal_font = font;
+    GetArtProvider()->SetNormalFont(font);
+}
+
+// Sets the selected tab font
+void wxAuiNotebook::SetSelectedFont(const wxFont& font)
+{
+    m_selected_font = font;
+    GetArtProvider()->SetSelectedFont(font);
+}
+
+// Sets the measuring font
+void wxAuiNotebook::SetMeasuringFont(const wxFont& font)
+{
+    GetArtProvider()->SetMeasuringFont(font);
+}
+
+// Sets the tab font
+bool wxAuiNotebook::SetFont(const wxFont& font)
+{
+    wxControl::SetFont(font);
+
+    wxFont normalFont(font);
+    wxFont selectedFont(normalFont);
+    selectedFont.SetWeight(wxBOLD);
+
+    SetNormalFont(normalFont);
+    SetSelectedFont(selectedFont);
+    SetMeasuringFont(selectedFont);
+
+    return true;
+}
+
+// Gets the tab control height
+int wxAuiNotebook::GetTabCtrlHeight() const
+{
+    return m_tab_ctrl_height;
+}
+
+// Gets the height of the notebook for a given page height
+int wxAuiNotebook::GetHeightForPageHeight(int pageHeight)
+{
+    UpdateTabCtrlHeight();
+
+    int tabCtrlHeight = GetTabCtrlHeight();
+    int decorHeight = 2;
+    return tabCtrlHeight + pageHeight + decorHeight;
+}
+
+// Advances the selection, generation page selection events
+void wxAuiNotebook::AdvanceSelection(bool forward)
+{
+    if (GetPageCount() <= 1)
+        return;
+
+    int currentSelection = GetSelection();
+
+    if (forward)
+    {
+        if (currentSelection == (int) (GetPageCount() - 1))
+            return;
+        else if (currentSelection == -1)
+            currentSelection = 0;
+        else
+            currentSelection ++;
+    }
+    else
+    {
+        if (currentSelection <= 0)
+            return;
+        else
+            currentSelection --;
+    }
+
+    SetSelection(currentSelection);
+}
+
+// Shows the window menu
+bool wxAuiNotebook::ShowWindowMenu()
+{
+    wxAuiTabCtrl* tabCtrl = GetActiveTabCtrl();
+
+    int idx = tabCtrl->GetArtProvider()->ShowDropDown(tabCtrl, tabCtrl->GetPages(), tabCtrl->GetActivePage());
+
+    if (idx != -1)
+    {
+        wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CHANGING, tabCtrl->GetId());
+        e.SetSelection(idx);
+        e.SetOldSelection(tabCtrl->GetActivePage());
+        e.SetEventObject(tabCtrl);
+        GetEventHandler()->ProcessEvent(e);
+
+        return true;
+    }
+    else
+        return false;
+}
+
+void wxAuiNotebook::Thaw()
+{
+    DoSizing();
+
+    wxControl::Thaw();
+}
 
 #endif // wxUSE_AUI
 
 #endif // wxUSE_AUI
wxWidgets (Impactor)