X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/87e5fe6990549a6133769b49bce910633e3aab0b..e6db07c3ef23cdec32eecd824117e4c47a5b8f3a:/src/aui/auibook.cpp

diff --git a/src/aui/auibook.cpp b/src/aui/auibook.cpp
index f2ed26ae88..0b7dfad98b 100644
--- a/src/aui/auibook.cpp
+++ b/src/aui/auibook.cpp
@@ -25,25 +25,38 @@
 #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"
-#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)
 
-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_CANCEL_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)
@@ -53,27 +66,13 @@ 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);
-}
+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,
@@ -92,8 +91,8 @@ static void DrawButtons(wxDC& dc,
     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(bkcolour.ChangeLightness(120)));
+        dc.SetPen(wxPen(bkcolour.ChangeLightness(75)));
 
         // draw the background behind the button
         dc.DrawRectangle(rect.x, rect.y, 15, 15);
@@ -112,36 +111,6 @@ 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 --
@@ -149,7 +118,7 @@ static wxString ChopText(wxDC& dc, const wxString& text, int max_size)
 class wxAuiCommandCapture : public wxEvtHandler
 {
 public:
-    
+
     wxAuiCommandCapture() { m_last_id = 0; }
     int GetCommandId() const { return m_last_id; }
 
@@ -160,13 +129,13 @@ public:
             m_last_id = evt.GetId();
             return true;
         }
-        
+
         if (GetNextHandler())
             return GetNextHandler()->ProcessEvent(evt);
 
         return false;
     }
-    
+
 private:
     int m_last_id;
 };
@@ -175,33 +144,33 @@ private:
 // -- 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 };
-#elif defined( __WXGTK__) 	 
- static 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 }; 	 
+#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
- 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
 
-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};
 
-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};
 
-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};
@@ -219,34 +188,45 @@ wxAuiDefaultTabArt::wxAuiDefaultTabArt()
     m_selected_font = *wxNORMAL_FONT;
     m_selected_font.SetWeight(wxBOLD);
     m_measuring_font = m_selected_font;
-    
+
     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 = base_colour.ChangeLightness(92);
+    }
+
+    m_active_colour = base_colour;
+    m_base_colour = base_colour;
+    wxColor border_colour = base_colour.ChangeLightness(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;
 }
 
@@ -256,7 +236,7 @@ wxAuiDefaultTabArt::~wxAuiDefaultTabArt()
 
 wxAuiTabArt* wxAuiDefaultTabArt::Clone()
 {
-    return static_cast<wxAuiTabArt*>(new wxAuiDefaultTabArt);
+    return new wxAuiDefaultTabArt(*this);
 }
 
 void wxAuiDefaultTabArt::SetFlags(unsigned int flags)
@@ -268,38 +248,71 @@ void wxAuiDefaultTabArt::SetSizingInfo(const wxSize& tab_ctrl_size,
                                        size_t tab_count)
 {
     m_fixed_tab_width = 100;
-    
+
     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 (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 > 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
-    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       = m_base_colour.ChangeLightness(90);
+    wxColor bottom_color   = m_base_colour.ChangeLightness(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);
+   }
 }
 
 
@@ -314,9 +327,8 @@ void wxAuiDefaultTabArt::DrawBackground(wxDC& dc,
 
 void wxAuiDefaultTabArt::DrawTab(wxDC& dc,
                                  wxWindow* wnd,
+                                 const wxAuiNotebookPage& page,
                                  const wxRect& in_rect,
-                                 const wxString& caption_text,
-                                 bool active,
                                  int close_button_state,
                                  wxRect* out_tab_rect,
                                  wxRect* out_button_rect,
@@ -324,128 +336,248 @@ void wxAuiDefaultTabArt::DrawTab(wxDC& dc,
 {
     wxCoord normal_textx, normal_texty;
     wxCoord selected_textx, selected_texty;
-    wxCoord textx, texty;
-    
+    wxCoord texty;
+
     // 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");
-            
+
     dc.SetFont(m_selected_font);
     dc.GetTextExtent(caption, &selected_textx, &selected_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;
 
 
-    caption = caption_text;
-
-    dc.SetClippingRegion(in_rect);
-                  
+    caption = page.caption;
 
 
     // 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);
-        textx = selected_textx;
         texty = selected_texty;
     }
-     else
+    else
     {
-        dc.SetPen(m_normal_bkpen);
-        dc.SetBrush(m_normal_bkbrush);
         dc.SetFont(m_normal_font);
-        textx = normal_textx;
         texty = normal_texty;
     }
 
-    
+
     // 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(wxPen(m_active_colour));
+        dc.SetBrush(wxBrush(m_active_colour));
+        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(wxPen(m_active_colour));
+        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 -= 3;
+        r.y += r.height;
+        r.y -= 2;
+
+        // draw gradient background
+        wxColor top_color = *wxWHITE;
+        wxColor bottom_color = m_active_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 = top_color.ChangeLightness(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.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
-    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(m_base_colour.ChangeLightness(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;
-    
     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);
-    
+
     // 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)
@@ -457,19 +589,24 @@ void wxAuiDefaultTabArt::DrawTab(wxDC& dc,
         {
             bmp = m_active_close_bmp;
         }
-        
+
+        int offsetY = tab_y-1;
+        if (m_flags & wxAUI_NB_BOTTOM)
+            offsetY = 1;
+
         wxRect rect(tab_x + tab_width - close_button_width - 1,
-                    tab_y + (tab_height/2) - (bmp.GetHeight()/2),
+                    offsetY + (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_tab_rect = wxRect(tab_x, tab_y, tab_width, tab_height);
-    
+
     dc.DestroyClippingRegion();
 }
 
@@ -481,32 +618,45 @@ int wxAuiDefaultTabArt::GetIndentSize()
 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;
-    
+
     dc.SetFont(m_measuring_font);
     dc.GetTextExtent(caption, &measured_textx, &measured_texty);
-    
+
     dc.GetTextExtent(wxT("ABCDEFXj"), &tmp, &measured_texty);
-    
+
     // 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 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;
     }
-    
+
     *x_extent = tab_width;
-    
+
     return wxSize(tab_width, tab_height);
 }
 
@@ -517,52 +667,45 @@ void wxAuiDefaultTabArt::DrawButton(wxDC& dc,
                                     int bitmap_id,
                                     int button_state,
                                     int orientation,
-                                    const wxBitmap& bitmap_override,
                                     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;
-        
+
     rect = in_rect;
-    
+
     if (orientation == wxLEFT)
     {
         rect.SetX(in_rect.x);
@@ -570,75 +713,109 @@ void wxAuiDefaultTabArt::DrawButton(wxDC& dc,
         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());
     }
-    
+
     IndentPressedBitmap(&rect, button_state);
     dc.DrawBitmap(bmp, rect.x, rect.y, true);
-    
+
     *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)
     {
-        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);
-    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;
-    
+
     wxAuiCommandCapture* cc = new wxAuiCommandCapture;
     wnd->PushEventHandler(cc);
     wnd->PopupMenu(&menuPopup, pt);
     int command = cc->GetCommandId();
     wnd->PopEventHandler(true);
-    
+
     if (command >= 1000)
         return command-1000;
-        
+
     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);
-    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)
@@ -656,6 +833,18 @@ void wxAuiDefaultTabArt::SetMeasuringFont(const wxFont& font)
     m_measuring_font = font;
 }
 
+void wxAuiDefaultTabArt::SetColour(const wxColour& colour)
+{
+    m_base_colour = colour;
+    m_border_pen = wxPen(m_base_colour.ChangeLightness(75));
+    m_base_colour_pen = wxPen(m_base_colour);
+    m_base_colour_brush = wxBrush(m_base_colour);
+}
+
+void wxAuiDefaultTabArt::SetActiveColour(const wxColour& colour)
+{
+    m_active_colour = colour;
+}
 
 // -- wxAuiSimpleTabArt class implementation --
 
@@ -671,7 +860,7 @@ wxAuiSimpleTabArt::wxAuiSimpleTabArt()
 
     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;
 
@@ -680,19 +869,19 @@ wxAuiSimpleTabArt::wxAuiSimpleTabArt()
     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()
@@ -701,10 +890,9 @@ wxAuiSimpleTabArt::~wxAuiSimpleTabArt()
 
 wxAuiTabArt* wxAuiSimpleTabArt::Clone()
 {
-    return static_cast<wxAuiTabArt*>(new wxAuiSimpleTabArt);
+    return new wxAuiSimpleTabArt(*this);
 }
 
-
 void wxAuiSimpleTabArt::SetFlags(unsigned int flags)
 {
     m_flags = flags;
@@ -714,24 +902,43 @@ void wxAuiSimpleTabArt::SetSizingInfo(const wxSize& tab_ctrl_size,
                                       size_t tab_count)
 {
     m_fixed_tab_width = 100;
-    
+
     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 (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 > 220)
         m_fixed_tab_width = 220;
 }
 
+void wxAuiSimpleTabArt::SetColour(const wxColour& colour)
+{
+    m_bkbrush = wxBrush(colour);
+    m_normal_bkbrush = wxBrush(colour);
+    m_normal_bkpen = wxPen(colour);
+}
+
+void wxAuiSimpleTabArt::SetActiveColour(const wxColour& colour)
+{
+    m_selected_bkbrush = wxBrush(colour);
+    m_selected_bkpen = wxPen(colour);
+}
+
 void wxAuiSimpleTabArt::DrawBackground(wxDC& dc,
                                        wxWindow* WXUNUSED(wnd),
                                        const wxRect& rect)
@@ -758,9 +965,8 @@ void wxAuiSimpleTabArt::DrawBackground(wxDC& dc,
 
 void wxAuiSimpleTabArt::DrawTab(wxDC& dc,
                                 wxWindow* wnd,
+                                const wxAuiNotebookPage& page,
                                 const wxRect& in_rect,
-                                const wxString& caption_text,
-                                bool active,
                                 int close_button_state,
                                 wxRect* out_tab_rect,
                                 wxRect* out_button_rect,
@@ -769,31 +975,37 @@ void wxAuiSimpleTabArt::DrawTab(wxDC& dc,
     wxCoord normal_textx, normal_texty;
     wxCoord selected_textx, selected_texty;
     wxCoord textx, texty;
-    
+
     // 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");
-            
+
     dc.SetFont(m_selected_font);
     dc.GetTextExtent(caption, &selected_textx, &selected_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);
+    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;
 
-    caption = caption_text;
+    caption = page.caption;
 
     // 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);
@@ -801,7 +1013,7 @@ void wxAuiSimpleTabArt::DrawTab(wxDC& dc,
         textx = selected_textx;
         texty = selected_texty;
     }
-     else
+    else
     {
         dc.SetPen(m_normal_bkpen);
         dc.SetBrush(m_normal_bkbrush);
@@ -830,12 +1042,12 @@ void wxAuiSimpleTabArt::DrawTab(wxDC& dc,
 
     dc.SetClippingRegion(in_rect);
 
-    dc.DrawPolygon(6, points);
+    dc.DrawPolygon(WXSIZEOF(points) - 1, points);
 
     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;
@@ -846,17 +1058,17 @@ 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);
     }
-     else
+    else
     {
         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
-    wxString draw_text = ChopText(dc,
+    wxString draw_text = wxAuiChopText(dc,
                           caption,
                           tab_width - (text_offset-tab_x) - close_button_width);
 
@@ -866,27 +1078,38 @@ void wxAuiSimpleTabArt::DrawTab(wxDC& dc,
                  (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;
-        if (active)
+        if (page.active)
             bmp = m_active_close_bmp;
-             else
+        else
             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);
-        
+
         *out_button_rect = rect;
     }
 
 
     *out_tab_rect = wxRect(tab_x, tab_y, tab_width, tab_height);
-    
+
     dc.DestroyClippingRegion();
 }
 
@@ -898,26 +1121,27 @@ int wxAuiSimpleTabArt::GetIndentSize()
 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;
-    
+
     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();
-        
+
     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);
@@ -930,52 +1154,44 @@ void wxAuiSimpleTabArt::DrawButton(wxDC& dc,
                                    int bitmap_id,
                                    int button_state,
                                    int orientation,
-                                   const wxBitmap& bitmap_override,
                                    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;
-        
+
     rect = in_rect;
-    
+
     if (orientation == wxLEFT)
     {
         rect.SetX(in_rect.x);
@@ -983,37 +1199,37 @@ void wxAuiSimpleTabArt::DrawButton(wxDC& dc,
         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());
     }
-    
-        
+
+
     DrawButtons(dc, rect, bmp, *wxWHITE, button_state);
-    
+
     *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)
     {
-        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);
     }
-    
+
     // 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
@@ -1021,26 +1237,28 @@ int wxAuiSimpleTabArt::ShowWindowList(wxWindow* wnd,
     pt = wnd->ScreenToClient(pt);
     if (pt.x < 100)
         pt.x = 0;
-         else
+    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;
-    
+
     wxAuiCommandCapture* cc = new wxAuiCommandCapture;
     wnd->PushEventHandler(cc);
     wnd->PopupMenu(&menuPopup, pt);
     int command = cc->GetCommandId();
     wnd->PopEventHandler(true);
-    
+
     if (command >= 1000)
         return command-1000;
-        
+
     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);
@@ -1048,6 +1266,7 @@ int wxAuiSimpleTabArt::GetBestTabCtrlSize(wxWindow* wnd)
     wxSize s = GetTabSize(dc,
                           wnd,
                           wxT("ABCDEFGHIj"),
+                          wxNullBitmap,
                           true,
                           wxAUI_BUTTON_STATE_HIDDEN,
                           &x_ext);
@@ -1090,8 +1309,8 @@ wxAuiTabContainer::wxAuiTabContainer()
     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);
@@ -1106,14 +1325,14 @@ void wxAuiTabContainer::SetArtProvider(wxAuiTabArt* art)
 {
     delete m_art;
     m_art = art;
-    
+
     if (m_art)
     {
         m_art->SetFlags(m_flags);
     }
 }
 
-wxAuiTabArt* wxAuiTabContainer::GetArtProvider()
+wxAuiTabArt* wxAuiTabContainer::GetArtProvider() const
 {
     return m_art;
 }
@@ -1121,17 +1340,17 @@ wxAuiTabArt* wxAuiTabContainer::GetArtProvider()
 void wxAuiTabContainer::SetFlags(unsigned int flags)
 {
     m_flags = flags;
-    
+
     // 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);
-    
-    
+
+
     if (flags & wxAUI_NB_SCROLL_BUTTONS)
     {
-        AddButton(wxAUI_BUTTON_LEFT, wxLEFT);       
+        AddButton(wxAUI_BUTTON_LEFT, wxLEFT);
         AddButton(wxAUI_BUTTON_RIGHT, wxRIGHT);
     }
 
@@ -1139,12 +1358,12 @@ void wxAuiTabContainer::SetFlags(unsigned int flags)
     {
         AddButton(wxAUI_BUTTON_WINDOWLIST, wxRIGHT);
     }
-    
+
     if (flags & wxAUI_NB_CLOSE_BUTTON)
     {
         AddButton(wxAUI_BUTTON_CLOSE, wxRIGHT);
     }
-    
+
     if (m_art)
     {
         m_art->SetFlags(m_flags);
@@ -1172,10 +1391,20 @@ void wxAuiTabContainer::SetMeasuringFont(const wxFont& font)
     m_art->SetMeasuringFont(font);
 }
 
+void wxAuiTabContainer::SetColour(const wxColour& colour)
+{
+    m_art->SetColour(colour);
+}
+
+void wxAuiTabContainer::SetActiveColour(const wxColour& colour)
+{
+    m_art->SetActiveColour(colour);
+}
+
 void wxAuiTabContainer::SetRect(const wxRect& rect)
 {
     m_rect = rect;
-    
+
     if (m_art)
     {
         m_art->SetSizingInfo(rect.GetSize(), m_pages.GetCount());
@@ -1196,7 +1425,7 @@ bool wxAuiTabContainer::AddPage(wxWindow* page,
     {
         m_art->SetSizingInfo(m_rect.GetSize(), m_pages.GetCount());
     }
-    
+
     return true;
 }
 
@@ -1210,7 +1439,7 @@ bool wxAuiTabContainer::InsertPage(wxWindow* page,
 
     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
@@ -1218,7 +1447,7 @@ bool wxAuiTabContainer::InsertPage(wxWindow* page,
     {
         m_art->SetSizingInfo(m_rect.GetSize(), m_pages.GetCount());
     }
-    
+
     return true;
 }
 
@@ -1228,16 +1457,16 @@ bool wxAuiTabContainer::MovePage(wxWindow* page,
     int idx = GetIdxFromWindow(page);
     if (idx == -1)
         return false;
-    
+
     // get page entry, make a copy of it
     wxAuiNotebookPage p = GetPage(idx);
-    
+
     // remove old page entry
     RemovePage(page);
-    
+
     // insert page where it should be
     InsertPage(page, p, new_idx);
-        
+
     return true;
 }
 
@@ -1250,13 +1479,13 @@ bool wxAuiTabContainer::RemovePage(wxWindow* wnd)
         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());
             }
-             
+
             return true;
         }
     }
@@ -1277,7 +1506,7 @@ bool wxAuiTabContainer::SetActivePage(wxWindow* wnd)
             page.active = true;
             found = true;
         }
-         else
+        else
         {
             page.active = false;
         }
@@ -1327,14 +1556,14 @@ wxWindow* wxAuiTabContainer::GetWindowFromIdx(size_t idx) 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;
     }
-    return -1;
+    return wxNOT_FOUND;
 }
 
 wxAuiNotebookPage& wxAuiTabContainer::GetPage(size_t idx)
@@ -1344,6 +1573,13 @@ wxAuiNotebookPage& wxAuiTabContainer::GetPage(size_t 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;
@@ -1403,7 +1639,15 @@ void wxAuiTabContainer::SetTabOffset(size_t offset)
 // provide custom drawing capabilities
 void wxAuiTabContainer::Render(wxDC* raw_dc, wxWindow* wnd)
 {
+    if (!raw_dc || !raw_dc->IsOk())
+        return;
+
     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();
@@ -1413,6 +1657,8 @@ void wxAuiTabContainer::Render(wxDC* raw_dc, wxWindow* wnd)
     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
@@ -1421,7 +1667,7 @@ void wxAuiTabContainer::Render(wxDC* raw_dc, wxWindow* wnd)
     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 ||
@@ -1429,32 +1675,33 @@ void wxAuiTabContainer::Render(wxDC* raw_dc, wxWindow* wnd)
         {
             close_button = true;
         }
-        
-    
+
+
         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);
-        
+
         if (i+1 < page_count)
             total_width += x_extent;
-             else
+        else
             total_width += size.x;
-            
+
         if (i >= m_tab_offset)
         {
             if (i+1 < page_count)
                 visible_width += x_extent;
-                 else
+            else
                 visible_width += size.x;
         }
     }
-    
+
     if (total_width > m_rect.GetWidth() || m_tab_offset != 0)
     {
         // show left/right buttons
@@ -1468,7 +1715,7 @@ void wxAuiTabContainer::Render(wxDC* raw_dc, wxWindow* wnd)
             }
         }
     }
-     else
+    else
     {
         // hide left/right buttons
         for (i = 0; i < button_count; ++i)
@@ -1490,14 +1737,14 @@ void wxAuiTabContainer::Render(wxDC* raw_dc, wxWindow* wnd)
         {
             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;
-                 else
+            else
                 button.cur_state &= ~wxAUI_BUTTON_STATE_DISABLED;
         }
     }
@@ -1510,7 +1757,7 @@ void wxAuiTabContainer::Render(wxDC* raw_dc, wxWindow* wnd)
     // draw buttons
     int left_buttons_width = 0;
     int right_buttons_width = 0;
-    
+
     int offset = 0;
 
     // draw the buttons on the right side
@@ -1518,12 +1765,12 @@ void wxAuiTabContainer::Render(wxDC* raw_dc, wxWindow* wnd)
     for (i = 0; i < button_count; ++i)
     {
         wxAuiTabContainerButton& button = m_buttons.Item(button_count - i - 1);
-        
+
         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);
@@ -1534,7 +1781,6 @@ void wxAuiTabContainer::Render(wxDC* raw_dc, wxWindow* wnd)
                           button.id,
                           button.cur_state,
                           wxRIGHT,
-                          wxNullBitmap,
                           &button.rect);
 
         offset -= button.rect.GetWidth();
@@ -1544,18 +1790,18 @@ void wxAuiTabContainer::Render(wxDC* raw_dc, wxWindow* wnd)
 
 
     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);
-        
+
         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,
@@ -1564,19 +1810,24 @@ void wxAuiTabContainer::Render(wxDC* raw_dc, wxWindow* wnd)
                           button.id,
                           button.cur_state,
                           wxLEFT,
-                          wxNullBitmap,
                           &button.rect);
-                          
+
         offset += button.rect.GetWidth();
         left_buttons_width += button.rect.GetWidth();
     }
 
     offset = left_buttons_width;
-    
+
     if (offset == 0)
-        offset += m_art->GetIndentSize();     
-    
+        offset += m_art->GetIndentSize();
+
+
     // 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;
@@ -1585,14 +1836,15 @@ void wxAuiTabContainer::Render(wxDC* raw_dc, wxWindow* wnd)
         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)
     {
-        // buttons before the tab offset must be set to hidden
         m_tab_close_buttons.Item(i).cur_state = wxAUI_BUTTON_STATE_HIDDEN;
     }
-        
-                         
+
+
     // draw the tabs
 
     size_t active = 999;
@@ -1610,11 +1862,9 @@ 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
-        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;
             if (tab_button.cur_state == wxAUI_BUTTON_STATE_HIDDEN)
             {
                 tab_button.id = wxAUI_BUTTON_CLOSE;
@@ -1622,7 +1872,7 @@ void wxAuiTabContainer::Render(wxDC* raw_dc, wxWindow* wnd)
                 tab_button.location = wxCENTER;
             }
         }
-         else
+        else
         {
             tab_button.cur_state = wxAUI_BUTTON_STATE_HIDDEN;
         }
@@ -1633,14 +1883,10 @@ void wxAuiTabContainer::Render(wxDC* raw_dc, wxWindow* wnd)
         if (rect.width <= 0)
             break;
 
-
-
-
         m_art->DrawTab(dc,
                        wnd,
+                       page,
                        rect,
-                       page.caption,
-                       page.active,
                        tab_button.cur_state,
                        &page.rect,
                        &tab_button.rect,
@@ -1652,10 +1898,18 @@ void wxAuiTabContainer::Render(wxDC* raw_dc, wxWindow* wnd)
             active_offset = offset;
             active_rect = rect;
         }
-        
+
         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())
     {
@@ -1663,32 +1917,164 @@ void wxAuiTabContainer::Render(wxDC* raw_dc, wxWindow* wnd)
 
         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,
+                       page,
                        active_rect,
-                       page.caption,
-                       page.active,
                        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);
 }
 
+// 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
@@ -1697,9 +2083,9 @@ bool wxAuiTabContainer::TabHitTest(int x, int y, wxWindow** hit) const
 {
     if (!m_rect.Contains(x,y))
         return false;
-    
+
     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;
@@ -1730,22 +2116,21 @@ bool wxAuiTabContainer::ButtonHitTest(int x, int y,
         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);
         if (button.rect.Contains(x,y) &&
-            !(button.cur_state & (wxAUI_BUTTON_STATE_HIDDEN |
-                                   wxAUI_BUTTON_STATE_DISABLED)))
+            !(button.cur_state & wxAUI_BUTTON_STATE_HIDDEN ))
         {
             if (hit)
                 *hit = &button;
             return true;
         }
     }
-    
+
     button_count = m_tab_close_buttons.GetCount();
     for (i = 0; i < button_count; ++i)
     {
@@ -1759,7 +2144,7 @@ bool wxAuiTabContainer::ButtonHitTest(int x, int y,
             return true;
         }
     }
-    
+
     return false;
 }
 
@@ -1770,12 +2155,14 @@ bool wxAuiTabContainer::ButtonHitTest(int x, int y,
 // 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);
     }
-     else
+    else
+#endif
     {
         wnd->Show(show);
     }
@@ -1804,7 +2191,8 @@ void wxAuiTabContainer::DoShowHide()
     for (i = 0; i < page_count; ++i)
     {
         wxAuiNotebookPage& page = pages.Item(i);
-        ShowWnd(page.window, page.active);
+        if (!page.active)
+            ShowWnd(page.window, false);
     }
 }
 
@@ -1822,10 +2210,19 @@ BEGIN_EVENT_TABLE(wxAuiTabCtrl, wxControl)
     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_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_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()
 
 
@@ -1835,6 +2232,7 @@ wxAuiTabCtrl::wxAuiTabCtrl(wxWindow* parent,
                            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;
@@ -1878,17 +2276,26 @@ void wxAuiTabCtrl::OnLeftDown(wxMouseEvent& evt)
     wxWindow* wnd;
     if (TabHitTest(evt.m_x, evt.m_y, &wnd))
     {
-        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;
     }
-    
+
     if (m_hover_button)
     {
         m_pressed_button = m_hover_button;
@@ -1898,6 +2305,20 @@ void wxAuiTabCtrl::OnLeftDown(wxMouseEvent& evt)
     }
 }
 
+void wxAuiTabCtrl::OnCaptureLost(wxMouseCaptureLostEvent& WXUNUSED(event))
+{
+    if (m_is_dragging)
+    {
+        m_is_dragging = false;
+
+        wxAuiNotebookEvent evt(wxEVT_COMMAND_AUINOTEBOOK_CANCEL_DRAG, m_windowId);
+        evt.SetSelection(GetIdxFromWindow(m_click_tab));
+        evt.SetOldSelection(evt.GetSelection());
+        evt.SetEventObject(this);
+        GetEventHandler()->ProcessEvent(evt);
+    }
+}
+
 void wxAuiTabCtrl::OnLeftUp(wxMouseEvent& evt)
 {
     if (GetCapture() == this)
@@ -1905,11 +2326,14 @@ void wxAuiTabCtrl::OnLeftUp(wxMouseEvent& evt)
 
     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);
+
         return;
     }
 
@@ -1917,9 +2341,10 @@ void wxAuiTabCtrl::OnLeftUp(wxMouseEvent& evt)
     {
         // make sure we're still clicking the button
         wxAuiTabContainerButton* button = NULL;
-        if (!ButtonHitTest(evt.m_x, evt.m_y, &button))
+        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;
@@ -1932,11 +2357,12 @@ void wxAuiTabCtrl::OnLeftUp(wxMouseEvent& evt)
         if (!(m_pressed_button->cur_state & wxAUI_BUTTON_STATE_DISABLED))
         {
             wxAuiNotebookEvent evt(wxEVT_COMMAND_AUINOTEBOOK_BUTTON, m_windowId);
+            evt.SetSelection(GetIdxFromWindow(m_click_tab));
             evt.SetInt(m_pressed_button->id);
             evt.SetEventObject(this);
             GetEventHandler()->ProcessEvent(evt);
         }
-        
+
         m_pressed_button = NULL;
     }
 
@@ -1945,13 +2371,73 @@ void wxAuiTabCtrl::OnLeftUp(wxMouseEvent& evt)
     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;
-    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)
         {
@@ -1960,7 +2446,7 @@ void wxAuiTabCtrl::OnMotion(wxMouseEvent& evt)
             Refresh();
             Update();
         }
-        
+
         if (button->cur_state != wxAUI_BUTTON_STATE_HOVER)
         {
             button->cur_state = wxAUI_BUTTON_STATE_HOVER;
@@ -1970,7 +2456,7 @@ void wxAuiTabCtrl::OnMotion(wxMouseEvent& evt)
             return;
         }
     }
-     else
+    else
     {
         if (m_hover_button)
         {
@@ -2026,7 +2512,7 @@ void wxAuiTabCtrl::OnLeaveWindow(wxMouseEvent& WXUNUSED(event))
 void wxAuiTabCtrl::OnButton(wxAuiNotebookEvent& event)
 {
     int button = event.GetInt();
-    
+
     if (button == wxAUI_BUTTON_LEFT || button == wxAUI_BUTTON_RIGHT)
     {
         if (button == wxAUI_BUTTON_LEFT)
@@ -2038,26 +2524,17 @@ void wxAuiTabCtrl::OnButton(wxAuiNotebookEvent& event)
                 Update();
             }
         }
-         else
+        else
         {
             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);
@@ -2067,36 +2544,175 @@ void wxAuiTabCtrl::OnButton(wxAuiNotebookEvent& event)
             GetEventHandler()->ProcessEvent(e);
         }
     }
-     else
+    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
+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;
+    }
+
+    // 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)
+    {
+        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;
+    }
+
+    if (m_pages.GetCount() < 2)
+    {
+        event.Skip();
+        return;
+    }
+
+    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))
@@ -2111,6 +2727,7 @@ public:
         *y = m_rect.height;
     }
 
+public:
     bool Show( bool WXUNUSED(show = true) ) { return false; }
 
     void DoSizing()
@@ -2118,9 +2735,25 @@ public:
         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_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();
 
@@ -2129,18 +2762,38 @@ public:
 
         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);
-            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();
             }
+#endif
         }
     }
 
+protected:
     void DoGetSize(int* x, int* y) const
     {
         if (x)
@@ -2149,13 +2802,12 @@ public:
             *y = m_rect.GetHeight();
     }
 
+public:
     void Update()
     {
         // does nothing
     }
 
-public:
-
     wxRect m_rect;
     wxRect m_tab_rect;
     wxAuiTabCtrl* m_tabs;
@@ -2163,48 +2815,61 @@ public:
 };
 
 
-
+const int wxAuiBaseTabCtrlId = 5380;
 
 
 // -- wxAuiNotebook class implementation --
 
+#define EVT_AUI_RANGE(id1, id2, event, func) \
+    wx__DECLARE_EVT2(event, id1, id2, wxAuiNotebookEventHandler(func))
+
 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)
-    EVT_COMMAND_RANGE(10000, 10100,
+    EVT_AUI_RANGE(wxAuiBaseTabCtrlId, wxAuiBaseTabCtrlId+500,
                       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)
-    EVT_COMMAND_RANGE(10000, 10100,
+    EVT_AUI_RANGE(wxAuiBaseTabCtrlId, wxAuiBaseTabCtrlId+500,
+                      wxEVT_COMMAND_AUINOTEBOOK_CANCEL_DRAG,
+                      wxAuiNotebook::OnTabCancelDrag)
+    EVT_AUI_RANGE(wxAuiBaseTabCtrlId, wxAuiBaseTabCtrlId+500,
                       wxEVT_COMMAND_AUINOTEBOOK_DRAG_MOTION,
                       wxAuiNotebook::OnTabDragMotion)
-    EVT_COMMAND_RANGE(10000, 10100,
+    EVT_AUI_RANGE(wxAuiBaseTabCtrlId, wxAuiBaseTabCtrlId+500,
                       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)
 END_EVENT_TABLE()
 
-wxAuiNotebook::wxAuiNotebook()
+void wxAuiNotebook::Init()
 {
     m_curpage = -1;
-    m_tab_id_counter = 10000;
+    m_tab_id_counter = wxAuiBaseTabCtrlId;
     m_dummy_wnd = NULL;
     m_tab_ctrl_height = 20;
-}
-
-wxAuiNotebook::wxAuiNotebook(wxWindow *parent,
-                             wxWindowID id,
-                             const wxPoint& pos,
-                             const wxSize& size,
-                             long style) : wxControl(parent, id, pos, size, style)
-{
-    InitNotebook(style);
+    m_requested_bmp_size = wxDefaultSize;
+    m_requested_tabctrl_height = -1;
 }
 
 bool wxAuiNotebook::Create(wxWindow* parent,
@@ -2225,12 +2890,13 @@ bool wxAuiNotebook::Create(wxWindow* parent,
 // code called by all constructors
 void wxAuiNotebook::InitNotebook(long style)
 {
+    SetName(wxT("wxAuiNotebook"));
     m_curpage = -1;
-    m_tab_id_counter = 10000;
+    m_tab_id_counter = wxAuiBaseTabCtrlId;
     m_dummy_wnd = NULL;
-    m_tab_ctrl_height = 20;
     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);
@@ -2242,25 +2908,102 @@ void wxAuiNotebook::InitNotebook(long style)
     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,
-              wxAuiPaneInfo().Name(wxT("dummy")).Bottom().Show(false));
+              wxAuiPaneInfo().Name(wxT("dummy")).Bottom().CaptionVisible(false).Show(false));
 
     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);
-    
-    // choose a default for the tab height
-    m_tab_ctrl_height = art->GetBestTabCtrlSize(this);
-    
+
+    // Update the height and do nothing else if it did something but otherwise
+    // (i.e. if the new art provider uses the same height as the old one) we
+    // need to manually set the art provider for all tabs ourselves.
+    if ( !UpdateTabCtrlHeight() )
+    {
+        wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
+        const size_t pane_count = all_panes.GetCount();
+        for (size_t 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;
+            tabctrl->SetArtProvider(art->Clone());
+        }
+    }
+}
+
+// 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 behaviour
+
+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 internally
+bool 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)
+        return false;
+
+    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)
@@ -2274,10 +3017,78 @@ void wxAuiNotebook::SetArtProvider(wxAuiTabArt* art)
         tabctrl->SetArtProvider(art->Clone());
         tab_frame->DoSizing();
     }
-    
+
+    return true;
 }
 
-wxAuiTabArt* wxAuiNotebook::GetArtProvider()
+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)
+    {
+        wxAuiPaneInfo& pane = all_panes.Item(i);
+        if (pane.name == wxT("dummy"))
+            continue;
+        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() const
 {
     return m_tabs.GetArtProvider();
 }
@@ -2285,14 +3096,14 @@ wxAuiTabArt* wxAuiNotebook::GetArtProvider()
 void wxAuiNotebook::SetWindowStyleFlag(long style)
 {
     wxControl::SetWindowStyleFlag(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
-        
+
         wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
         size_t i, pane_count = all_panes.GetCount();
         for (i = 0; i < pane_count; ++i)
@@ -2300,8 +3111,10 @@ void wxAuiNotebook::SetWindowStyleFlag(long style)
             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);
+            tabframe->DoSizing();
             tabctrl->Refresh();
             tabctrl->Update();
         }
@@ -2323,6 +3136,12 @@ bool wxAuiNotebook::InsertPage(size_t page_idx,
                                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;
@@ -2336,21 +3155,30 @@ bool wxAuiNotebook::InsertPage(size_t 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);
-         else
+    else
         active_tabctrl->InsertPage(page, info, page_idx);
 
+    UpdateTabCtrlHeight();
     DoSizing();
     active_tabctrl->DoShowHide();
 
+    // adjust selected index
+    if(m_curpage >= (int) page_idx)
+        m_curpage++;
+
     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;
@@ -2360,13 +3188,20 @@ 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)
-{    
+{
+    if (page_idx >= m_tabs.GetPageCount())
+        return false;
+
     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 wxUSE_MDI
     // actually destroy the window now
     if (wnd->IsKindOf(CLASSINFO(wxAuiMDIChildFrame)))
     {
@@ -2375,11 +3210,12 @@ bool wxAuiNotebook::DeletePage(size_t page_idx)
         if (!wxPendingDelete.Member(wnd))
             wxPendingDelete.Append(wnd);
     }
-     else
+    else
+#endif
     {
         wnd->Destroy();
     }
-    
+
     return true;
 }
 
@@ -2389,39 +3225,28 @@ bool wxAuiNotebook::DeletePage(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;
 
+    // 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 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))
@@ -2430,19 +3255,72 @@ bool wxAuiNotebook::RemovePage(size_t page_idx)
     // remove the tab from the onscreen tab ctrl
     ctrl->RemovePage(wnd);
 
+    if (is_active_in_split)
+    {
+        int ctrl_new_page_count = (int)ctrl->GetPageCount();
+
+        if (ctrl_idx >= ctrl_new_page_count)
+            ctrl_idx = ctrl_new_page_count-1;
 
-    RemoveEmptyTabFrames();
+        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;
 }
 
+// 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)
 {
@@ -2467,6 +3345,54 @@ bool wxAuiNotebook::SetPageText(size_t page_idx, const wxString& text)
     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
 {
@@ -2480,18 +3406,34 @@ size_t wxAuiNotebook::SetSelection(size_t new_page)
     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())
     {
+        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);
 
 
-
         wxAuiTabCtrl* ctrl;
         int ctrl_idx;
         if (FindTab(wnd, &ctrl, &ctrl_idx))
@@ -2502,9 +3444,7 @@ size_t wxAuiNotebook::SetSelection(size_t new_page)
             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();
@@ -2517,12 +3457,15 @@ size_t wxAuiNotebook::SetSelection(size_t new_page)
                 wxAuiTabCtrl* tabctrl = ((wxTabFrame*)pane.window)->m_tabs;
                 if (tabctrl != ctrl)
                     tabctrl->SetSelectedFont(m_normal_font);
-                     else
+                else
                     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;
         }
@@ -2531,6 +3474,29 @@ size_t wxAuiNotebook::SetSelection(size_t new_page)
     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
@@ -2598,7 +3564,7 @@ wxAuiTabCtrl* wxAuiNotebook::GetActiveTabCtrl()
                                         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,
@@ -2635,37 +3601,152 @@ bool wxAuiNotebook::FindTab(wxWindow* page, wxAuiTabCtrl** ctrl, int* idx)
     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);
 
-    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;
 }
 
-void wxAuiNotebook::OnTabDragMotion(wxCommandEvent& evt)
+void wxAuiNotebook::OnTabDragMotion(wxAuiNotebookEvent& evt)
 {
     wxPoint screen_pt = ::wxGetMousePosition();
     wxPoint client_pt = ScreenToClient(screen_pt);
@@ -2673,32 +3754,32 @@ void wxAuiNotebook::OnTabDragMotion(wxCommandEvent& evt)
 
     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));
         }
-        
+
         // 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;
         }
-                
+
         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);
-            
+
             // prevent jumpy drag
             if ((src_idx == dest_idx) || dest_idx == -1 ||
                 (src_idx > dest_idx && m_last_drag_x <= pt.x) ||
@@ -2717,7 +3798,7 @@ void wxAuiNotebook::OnTabDragMotion(wxCommandEvent& evt)
             m_last_drag_x = pt.x;
 
         }
-        
+
         return;
     }
 
@@ -2727,11 +3808,11 @@ void wxAuiNotebook::OnTabDragMotion(wxCommandEvent& evt)
     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
         if (!tab_ctrl->IsKindOf(CLASSINFO(wxFrame)))
         {
@@ -2741,11 +3822,11 @@ void wxAuiNotebook::OnTabDragMotion(wxCommandEvent& evt)
                     break;
                 tab_ctrl = tab_ctrl->GetParent();
             }
-            
+
             if (tab_ctrl)
             {
                 wxAuiNotebook* nb = (wxAuiNotebook*)tab_ctrl->GetParent();
-                
+
                 if (nb != this)
                 {
                     wxRect hint_rect = tab_ctrl->GetClientRect();
@@ -2755,7 +3836,7 @@ void wxAuiNotebook::OnTabDragMotion(wxCommandEvent& evt)
                 }
             }
         }
-         else
+        else
         {
             if (!dest_tabs)
             {
@@ -2770,7 +3851,7 @@ 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 tab moving is not allowed, leave
     if (!(m_flags & wxAUI_NB_TAB_SPLIT))
         return;
@@ -2780,15 +3861,15 @@ void wxAuiNotebook::OnTabDragMotion(wxCommandEvent& evt)
     {
         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);
     }
-     else
+    else
     {
         m_mgr.DrawHintRect(m_dummy_wnd, client_pt, zero);
     }
@@ -2796,21 +3877,16 @@ void wxAuiNotebook::OnTabDragMotion(wxCommandEvent& evt)
 
 
 
-void wxAuiNotebook::OnTabEndDrag(wxCommandEvent& command_evt)
+void wxAuiNotebook::OnTabEndDrag(wxAuiNotebookEvent& evt)
 {
-    wxAuiNotebookEvent& evt = (wxAuiNotebookEvent&)command_evt;
-
     m_mgr.HideHint();
 
-    
+
     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);
@@ -2821,18 +3897,18 @@ void wxAuiNotebook::OnTabEndDrag(wxCommandEvent& command_evt)
     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();
         }
-        
+
         if (tab_ctrl)
         {
             wxAuiNotebook* nb = (wxAuiNotebook*)tab_ctrl->GetParent();
-            
+
             if (nb != this)
             {
                 // find out from the destination control
@@ -2843,33 +3919,46 @@ void wxAuiNotebook::OnTabEndDrag(wxCommandEvent& command_evt)
                 e.SetEventObject(this);
                 e.SetDragSource(this);
                 e.Veto(); // dropping must be explicitly approved by control owner
-                
+
                 nb->GetEventHandler()->ProcessEvent(e);
-                
+
                 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);
-                
+
+                // 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);
-                
+                wxCHECK_RET( main_idx != wxNOT_FOUND, wxT("no source page?") );
+
+
                 // 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);
-                
+
                 // 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);
@@ -2882,7 +3971,7 @@ void wxAuiNotebook::OnTabEndDrag(wxCommandEvent& command_evt)
                     insert_idx = dest_tabs->GetIdxFromWindow(target);
                 }
 
-                
+
                 // add the page to the new notebook
                 if (insert_idx == -1)
                     insert_idx = dest_tabs->GetPageCount();
@@ -2892,9 +3981,16 @@ void wxAuiNotebook::OnTabEndDrag(wxCommandEvent& command_evt)
                 nb->DoSizing();
                 dest_tabs->DoShowHide();
                 dest_tabs->Refresh();
-        
+
                 // 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;
             }
@@ -2905,6 +4001,8 @@ void wxAuiNotebook::OnTabEndDrag(wxCommandEvent& command_evt)
 
 
     // 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
@@ -2917,8 +4015,8 @@ void wxAuiNotebook::OnTabEndDrag(wxCommandEvent& command_evt)
 
             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);
@@ -2927,16 +4025,27 @@ void wxAuiNotebook::OnTabEndDrag(wxCommandEvent& command_evt)
                 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;
+            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,
-                                                wxNO_BORDER);
+                                                wxNO_BORDER|wxWANTS_CHARS);
             new_tabs->m_tabs->SetArtProvider(m_tabs.GetArtProvider()->Clone());
             new_tabs->m_tabs->SetFlags(m_flags);
 
@@ -2976,12 +4085,37 @@ void wxAuiNotebook::OnTabEndDrag(wxCommandEvent& command_evt)
         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);
 }
 
 
 
+void wxAuiNotebook::OnTabCancelDrag(wxAuiNotebookEvent& command_evt)
+{
+    wxAuiNotebookEvent& evt = (wxAuiNotebookEvent&)command_evt;
+
+    m_mgr.HideHint();
+
+    wxAuiTabCtrl* src_tabs = (wxAuiTabCtrl*)evt.GetEventObject();
+    wxCHECK_RET( src_tabs, _T("no source object?") );
+
+    src_tabs->SetCursor(wxCursor(wxCURSOR_ARROW));
+}
+
 wxAuiTabCtrl* wxAuiNotebook::GetTabCtrlFromPoint(const wxPoint& pt)
 {
     // if we've just removed the last tab from the source
@@ -3042,7 +4176,8 @@ void wxAuiNotebook::RemoveEmptyTabFrames()
             // 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;
         }
@@ -3070,11 +4205,35 @@ void wxAuiNotebook::RemoveEmptyTabFrames()
         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)
     {
@@ -3082,26 +4241,107 @@ 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)
     {
-        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);
 
-
             // 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);
@@ -3109,20 +4349,199 @@ void wxAuiNotebook::OnTabButton(wxCommandEvent& command_evt)
                 return;
 
 
+#if wxUSE_MDI
             if (close_wnd->IsKindOf(CLASSINFO(wxAuiMDIChildFrame)))
             {
                 close_wnd->Close();
             }
-             else
+            else
+#endif
             {
                 int main_idx = m_tabs.GetIdxFromWindow(close_wnd);
+                wxCHECK_RET( main_idx != wxNOT_FOUND, wxT("no page to delete?") );
+
                 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