]> git.saurik.com Git - wxWidgets.git/blobdiff - src/aui/auibook.cpp
Add wxSpinCtrl::SetBase() to allow entering hexadecimal numbers.
[wxWidgets.git] / src / aui / auibook.cpp
index 1792957c05103433a3e0ae119fcddbe752237f09..9288685ecad50005adc9d071d839cd9a1c558974 100644 (file)
@@ -2,7 +2,7 @@
 // Name:        src/aui/auibook.cpp
 // Purpose:     wxaui: wx advanced user interface - notebook
 // Author:      Benjamin I. Williams
-// Modified by:
+// Modified by: Jens Lody
 // Created:     2006-06-28
 // Copyright:   (C) Copyright 2006, Kirix Corporation, All Rights Reserved
 // Licence:     wxWindows Library Licence, Version 3.1
 
 #ifndef WX_PRECOMP
     #include "wx/settings.h"
-    #include "wx/image.h"
+    #include "wx/dcclient.h"
+    #include "wx/dcmemory.h"
 #endif
 
 #include "wx/aui/tabmdi.h"
-#include "wx/dcbuffer.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_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)
-
-
+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)
+IMPLEMENT_DYNAMIC_CLASS(wxAuiNotebookEvent, wxBookCtrlEvent)
 
-IMPLEMENT_DYNAMIC_CLASS(wxAuiNotebookEvent, wxEvent)
 
 // -- wxAuiTabContainer class implementation --
 
@@ -58,101 +73,111 @@ IMPLEMENT_DYNAMIC_CLASS(wxAuiNotebookEvent, wxEvent)
 // which can be used as a tab control in the normal sense.
 
 
-// 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)
+wxAuiTabContainer::wxAuiTabContainer()
 {
-    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));
+    m_tabOffset = 0;
+    m_flags = 0;
+    m_art = new wxAuiDefaultTabArt;
+
+    AddButton(wxAUI_BUTTON_LEFT, wxLEFT);
+    AddButton(wxAUI_BUTTON_RIGHT, wxRIGHT);
+    AddButton(wxAUI_BUTTON_WINDOWLIST, wxRIGHT);
+    AddButton(wxAUI_BUTTON_CLOSE, wxRIGHT);
 }
 
-// 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)
+wxAuiTabContainer::~wxAuiTabContainer()
 {
-    wxImage img = wxBitmap((const char*)bits, w, h).ConvertToImage();
-    img.Replace(255,255,255,123,123,123);
-    img.Replace(0,0,0,color.Red(),color.Green(),color.Blue());
-    img.SetMaskColour(123,123,123);
-    return wxBitmap(img);
+    delete m_art;
 }
 
-static void DrawButton(wxDC& dc,
-                       const wxRect& _rect,
-                       const wxBitmap& bmp,
-                       const wxColour& bkcolour,
-                       int button_state)
+void wxAuiTabContainer::SetArtProvider(wxAuiTabArt* art)
 {
-    wxRect rect = _rect;
-
-    if (button_state == wxAUI_BUTTON_STATE_PRESSED)
-    {
-        rect.x++;
-        rect.y++;
-    }
+    delete m_art;
+    m_art = art;
 
-    if (button_state == wxAUI_BUTTON_STATE_HOVER ||
-        button_state == wxAUI_BUTTON_STATE_PRESSED)
+    if (m_art)
     {
-        dc.SetBrush(wxBrush(StepColour(bkcolour, 120)));
-        dc.SetPen(wxPen(StepColour(bkcolour, 70)));
-
-        // draw the background behind the button
-        dc.DrawRectangle(rect.x, rect.y, 15, 15);
+        m_art->SetFlags(m_flags);
     }
+}
 
-    // draw the button itself
-    dc.DrawBitmap(bmp, rect.x, rect.y, true);
+wxAuiTabArt* wxAuiTabContainer::GetArtProvider() const
+{
+    return m_art;
 }
 
+void wxAuiTabContainer::SetFlags(unsigned int flags)
+{
+    m_flags = flags;
 
+    // check for new close button settings
+    RemoveButton(wxAUI_BUTTON_LEFT);
+    RemoveButton(wxAUI_BUTTON_RIGHT);
+    RemoveButton(wxAUI_BUTTON_WINDOWLIST);
+    RemoveButton(wxAUI_BUTTON_CLOSE);
 
 
-wxAuiTabContainer::wxAuiTabContainer()
-{
-    m_normal_font = *wxNORMAL_FONT;
-    m_selected_font = *wxNORMAL_FONT;
-    m_selected_font.SetWeight(wxBOLD);
-    m_measuring_font = m_selected_font;
+    if (flags & wxAUI_NB_SCROLL_BUTTONS)
+    {
+        AddButton(wxAUI_BUTTON_LEFT, wxLEFT);
+        AddButton(wxAUI_BUTTON_RIGHT, wxRIGHT);
+    }
 
-    wxColour base_colour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
+    if (flags & wxAUI_NB_WINDOWLIST_BUTTON)
+    {
+        AddButton(wxAUI_BUTTON_WINDOWLIST, wxRIGHT);
+    }
 
-    wxColour background_colour = StepColour(base_colour, 95);
-    wxColour normaltab_colour = base_colour;
-    wxColour selectedtab_colour = *wxWHITE;
+    if (flags & wxAUI_NB_CLOSE_BUTTON)
+    {
+        AddButton(wxAUI_BUTTON_CLOSE, wxRIGHT);
+    }
 
-    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);
+    if (m_art)
+    {
+        m_art->SetFlags(m_flags);
+    }
 }
 
-wxAuiTabContainer::~wxAuiTabContainer()
+unsigned int wxAuiTabContainer::GetFlags() const
 {
+    return m_flags;
 }
 
+
 void wxAuiTabContainer::SetNormalFont(const wxFont& font)
 {
-    m_normal_font = font;
+    m_art->SetNormalFont(font);
 }
 
 void wxAuiTabContainer::SetSelectedFont(const wxFont& font)
 {
-    m_selected_font = font;
+    m_art->SetSelectedFont(font);
 }
 
 void wxAuiTabContainer::SetMeasuringFont(const wxFont& font)
 {
-    m_measuring_font = 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());
+    }
 }
 
 bool wxAuiTabContainer::AddPage(wxWindow* page,
@@ -164,6 +189,12 @@ bool wxAuiTabContainer::AddPage(wxWindow* page,
 
     m_pages.Add(page_info);
 
+    // let the art provider know how many pages we have
+    if (m_art)
+    {
+        m_art->SetSizingInfo(m_rect.GetSize(), m_pages.GetCount());
+    }
+
     return true;
 }
 
@@ -177,9 +208,34 @@ 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
+    if (m_art)
+    {
+        m_art->SetSizingInfo(m_rect.GetSize(), m_pages.GetCount());
+    }
+
+    return true;
+}
+
+bool wxAuiTabContainer::MovePage(wxWindow* page,
+                                 size_t new_idx)
+{
+    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;
 }
 
@@ -192,6 +248,13 @@ 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;
         }
     }
@@ -212,7 +275,7 @@ bool wxAuiTabContainer::SetActivePage(wxWindow* wnd)
             page.active = true;
             found = true;
         }
-         else
+        else
         {
             page.active = false;
         }
@@ -262,14 +325,14 @@ 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)
@@ -279,6 +342,13 @@ 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;
@@ -289,228 +359,516 @@ size_t wxAuiTabContainer::GetPageCount() const
     return m_pages.GetCount();
 }
 
-void wxAuiTabContainer::AddButton(int id, const wxBitmap& bmp)
+void wxAuiTabContainer::AddButton(int id,
+                                  int location,
+                                  const wxBitmap& normalBitmap,
+                                  const wxBitmap& disabledBitmap)
 {
     wxAuiTabContainerButton button;
     button.id = id;
-    button.bitmap = bmp;
-    button.cur_state = wxAUI_BUTTON_STATE_NORMAL;
+    button.bitmap = normalBitmap;
+    button.disBitmap = disabledBitmap;
+    button.location = location;
+    button.curState = wxAUI_BUTTON_STATE_NORMAL;
 
     m_buttons.Add(button);
 }
 
+void wxAuiTabContainer::RemoveButton(int id)
+{
+    size_t i, button_count = m_buttons.GetCount();
+
+    for (i = 0; i < button_count; ++i)
+    {
+        if (m_buttons.Item(i).id == id)
+        {
+            m_buttons.RemoveAt(i);
+            return;
+        }
+    }
+}
+
+
+
+size_t wxAuiTabContainer::GetTabOffset() const
+{
+    return m_tabOffset;
+}
+
+void wxAuiTabContainer::SetTabOffset(size_t offset)
+{
+    m_tabOffset = offset;
+}
+
 
 
-// DrawTab() draws an individual tab.
-// As it is virtual it may be overridden.
-//
-// dc       - output dc
-// in_rect  - rectangle the tab should be confined to
-// caption  - tab's caption
-// active   - whether or not the tab is active
-// out_rect - actual output rectangle
-// x_extent - the advance x; where the next tab should start
 
-void wxAuiTabContainer::DrawTab(wxDC* dc,
-                                const wxRect& in_rect,
-                                const wxString& caption_text,
-                                bool active,
-                                wxRect* out_rect,
-                                int* x_extent)
+// Render() renders the tab catalog to the specified DC
+// It is a virtual function and can be overridden to
+// provide custom drawing capabilities
+void wxAuiTabContainer::Render(wxDC* raw_dc, wxWindow* wnd)
 {
-    wxCoord normal_textx, normal_texty;
-    wxCoord selected_textx, selected_texty;
-    wxCoord measured_textx, measured_texty;
-    wxCoord textx, texty;
+    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());
 
-    // if the caption is empty, measure some temporary text
-    wxString caption = caption_text;
-    if (caption_text.empty())
-        caption = wxT("Xj");
-        
-    // measure text
-    dc->SetFont(m_measuring_font);
-    dc->GetTextExtent(caption, &measured_textx, &measured_texty);
+    wxBitmap bmp;
+    size_t i;
+    size_t page_count = m_pages.GetCount();
+    size_t button_count = m_buttons.GetCount();
+
+    // create off-screen bitmap
+    bmp.Create(m_rect.GetWidth(), m_rect.GetHeight());
+    dc.SelectObject(bmp);
+
+    if (!dc.IsOk())
+        return;
 
-    dc->SetFont(m_selected_font);
-    dc->GetTextExtent(caption, &selected_textx, &selected_texty);
+    // find out if size of tabs is larger than can be
+    // afforded on screen
+    int total_width = 0;
+    int visible_width = 0;
+    for (i = 0; i < page_count; ++i)
+    {
+        wxAuiNotebookPage& page = m_pages.Item(i);
 
-    dc->SetFont(m_normal_font);
-    dc->GetTextExtent(caption, &normal_textx, &normal_texty);
+        // 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;
+        }
 
-    caption = caption_text;
 
-    wxCoord tab_height = measured_texty + 4;
-    wxCoord tab_width = measured_textx + tab_height + 5;
-    wxCoord tab_x = in_rect.x;
-    wxCoord tab_y = in_rect.y + in_rect.height - tab_height;
+        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
+            total_width += size.x;
 
-    // select pen, brush and font for the tab to be drawn
+        if (i >= m_tabOffset)
+        {
+            if (i+1 < page_count)
+                visible_width += x_extent;
+            else
+                visible_width += size.x;
+        }
+    }
 
-    if (active)
+    if (total_width > m_rect.GetWidth() || m_tabOffset != 0)
     {
-        dc->SetPen(m_selected_bkpen);
-        dc->SetBrush(m_selected_bkbrush);
-        dc->SetFont(m_selected_font);
-        textx = selected_textx;
-        texty = selected_texty;
+        // show left/right buttons
+        for (i = 0; i < button_count; ++i)
+        {
+            wxAuiTabContainerButton& button = m_buttons.Item(i);
+            if (button.id == wxAUI_BUTTON_LEFT ||
+                button.id == wxAUI_BUTTON_RIGHT)
+            {
+                button.curState &= ~wxAUI_BUTTON_STATE_HIDDEN;
+            }
+        }
     }
-     else
+    else
     {
-        dc->SetPen(m_normal_bkpen);
-        dc->SetBrush(m_normal_bkbrush);
-        dc->SetFont(m_normal_font);
-        textx = normal_textx;
-        texty = normal_texty;
+        // hide left/right buttons
+        for (i = 0; i < button_count; ++i)
+        {
+            wxAuiTabContainerButton& button = m_buttons.Item(i);
+            if (button.id == wxAUI_BUTTON_LEFT ||
+                button.id == wxAUI_BUTTON_RIGHT)
+            {
+                button.curState |= wxAUI_BUTTON_STATE_HIDDEN;
+            }
+        }
     }
 
+    // determine whether left button should be enabled
+    for (i = 0; i < button_count; ++i)
+    {
+        wxAuiTabContainerButton& button = m_buttons.Item(i);
+        if (button.id == wxAUI_BUTTON_LEFT)
+        {
+            if (m_tabOffset == 0)
+                button.curState |= wxAUI_BUTTON_STATE_DISABLED;
+            else
+                button.curState &= ~wxAUI_BUTTON_STATE_DISABLED;
+        }
+        if (button.id == wxAUI_BUTTON_RIGHT)
+        {
+            if (visible_width < m_rect.GetWidth() - ((int)button_count*16))
+                button.curState |= wxAUI_BUTTON_STATE_DISABLED;
+            else
+                button.curState &= ~wxAUI_BUTTON_STATE_DISABLED;
+        }
+    }
 
-    // -- draw line --
 
-    wxPoint points[7];
-    points[0].x = tab_x;
-    points[0].y = tab_y + tab_height - 1;
-    points[1].x = tab_x + tab_height - 3;
-    points[1].y = tab_y + 2;
-    points[2].x = tab_x + tab_height + 3;
-    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 - 1;
-    points[6] = points[0];
 
+    // draw background
+    m_art->DrawBackground(dc, wnd, m_rect);
 
-    dc->DrawPolygon(6, points);
+    // draw buttons
+    int left_buttons_width = 0;
+    int right_buttons_width = 0;
 
-    dc->SetPen(*wxGREY_PEN);
+    int offset = 0;
 
-    //dc->DrawLines(active ? 6 : 7, points);
-    dc->DrawLines(7, points);
+    // draw 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);
 
-    // -- draw text --
+        if (button.location != wxRIGHT)
+            continue;
+        if (button.curState & wxAUI_BUTTON_STATE_HIDDEN)
+            continue;
 
-    dc->DrawText(caption,
-                 tab_x + (tab_height/3) + (tab_width/2) - (textx/2),
-                 tab_y + tab_height - texty - 2);
+        wxRect button_rect = m_rect;
+        button_rect.SetY(1);
+        button_rect.SetWidth(offset);
 
-    *out_rect = wxRect(tab_x, tab_y, tab_width, tab_height);
-    *x_extent = tab_width - (tab_height/2) - 1;
-}
+        m_art->DrawButton(dc,
+                          wnd,
+                          button_rect,
+                          button.id,
+                          button.curState,
+                          wxRIGHT,
+                          &button.rect);
 
+        offset -= button.rect.GetWidth();
+        right_buttons_width += button.rect.GetWidth();
+    }
 
-// Render() renders the tab catalog to the specified DC
-// It is a virtual function and can be overridden to
-// provide custom drawing capabilities
-void wxAuiTabContainer::Render(wxDC* raw_dc)
-{
-    wxMemoryDC dc;
-    wxBitmap bmp;
-    bmp.Create(m_rect.GetWidth(), m_rect.GetHeight());
-    dc.SelectObject(bmp);
 
-    // draw background
-    dc.SetBrush(m_bkbrush);
-    dc.SetPen(*wxTRANSPARENT_PEN);
-    dc.DrawRectangle(-1, -1, m_rect.GetWidth()+2, m_rect.GetHeight()+2);
 
-    // draw base line
-    dc.SetPen(*wxGREY_PEN);
-    dc.DrawLine(0, m_rect.GetHeight()-1, m_rect.GetWidth(), m_rect.GetHeight()-1);
+    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.curState & wxAUI_BUTTON_STATE_HIDDEN)
+            continue;
+
+        wxRect button_rect(offset, 1, 1000, m_rect.height);
+
+        m_art->DrawButton(dc,
+                          wnd,
+                          button_rect,
+                          button.id,
+                          button.curState,
+                          wxLEFT,
+                          &button.rect);
+
+        offset += button.rect.GetWidth();
+        left_buttons_width += button.rect.GetWidth();
+    }
+
+    offset = left_buttons_width;
+
+    if (offset == 0)
+        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_tabCloseButtons.GetCount(); ++i)
+        m_tabCloseButtons.Item(i).curState = wxAUI_BUTTON_STATE_HIDDEN;
+
+    // make sure there are enough tab button entries to accommodate all tabs
+    while (m_tabCloseButtons.GetCount() < page_count)
+    {
+        wxAuiTabContainerButton tempbtn;
+        tempbtn.id = wxAUI_BUTTON_CLOSE;
+        tempbtn.location = wxCENTER;
+        tempbtn.curState = wxAUI_BUTTON_STATE_HIDDEN;
+        m_tabCloseButtons.Add(tempbtn);
+    }
+
+
+    // buttons before the tab offset must be set to hidden
+    for (i = 0; i < m_tabOffset; ++i)
+    {
+        m_tabCloseButtons.Item(i).curState = wxAUI_BUTTON_STATE_HIDDEN;
+    }
 
-    size_t i, page_count = m_pages.GetCount();
-    int offset = 0;
+
+    // draw the tabs
 
     size_t active = 999;
     int active_offset = 0;
+    wxRect active_rect;
 
     int x_extent = 0;
     wxRect rect = m_rect;
     rect.y = 0;
-    rect.width = 1000;
     rect.height = m_rect.height;
 
-    for (i = 0; i < page_count; ++i)
+    for (i = m_tabOffset; i < page_count; ++i)
     {
         wxAuiNotebookPage& page = m_pages.Item(i);
+        wxAuiTabContainerButton& tab_button = m_tabCloseButtons.Item(i);
+
+        // determine if a close button is on this tab
+        if ((m_flags & wxAUI_NB_CLOSE_ON_ALL_TABS) != 0 ||
+            ((m_flags & wxAUI_NB_CLOSE_ON_ACTIVE_TAB) != 0 && page.active))
+        {
+            if (tab_button.curState == wxAUI_BUTTON_STATE_HIDDEN)
+            {
+                tab_button.id = wxAUI_BUTTON_CLOSE;
+                tab_button.curState = wxAUI_BUTTON_STATE_NORMAL;
+                tab_button.location = wxCENTER;
+            }
+        }
+        else
+        {
+            tab_button.curState = wxAUI_BUTTON_STATE_HIDDEN;
+        }
 
         rect.x = offset;
+        rect.width = m_rect.width - right_buttons_width - offset - 2;
+
+        if (rect.width <= 0)
+            break;
 
-        DrawTab(&dc,
-                rect,
-                page.caption,
-                page.active,
-                &page.rect,
-                &x_extent);
+        m_art->DrawTab(dc,
+                       wnd,
+                       page,
+                       rect,
+                       tab_button.curState,
+                       &page.rect,
+                       &tab_button.rect,
+                       &x_extent);
 
         if (page.active)
         {
             active = i;
             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_tabCloseButtons.GetCount(); ++i)
+    {
+        m_tabCloseButtons.Item(i).curState = wxAUI_BUTTON_STATE_HIDDEN;
+    }
+
+
     // draw the active tab again so it stands in the foreground
-    if (active < m_pages.GetCount())
+    if (active >= m_tabOffset && active < m_pages.GetCount())
     {
         wxAuiNotebookPage& page = m_pages.Item(active);
 
+        wxAuiTabContainerButton& tab_button = m_tabCloseButtons.Item(active);
+
         rect.x = active_offset;
-        DrawTab(&dc,
-                rect,
-                page.caption,
-                page.active,
-                &page.rect,
-                &x_extent);
+        m_art->DrawTab(dc,
+                       wnd,
+                       page,
+                       active_rect,
+                       tab_button.curState,
+                       &page.rect,
+                       &tab_button.rect,
+                       &x_extent);
     }
 
-    // draw the buttons
-    offset = m_rect.x + m_rect.width;
+
+    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_tabCloseButtons.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.curState & 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);
 
-        wxRect button_rect(offset - button.bitmap.GetWidth(), 1,
-                           button.bitmap.GetWidth(), button.bitmap.GetHeight());
+        if (button.location != wxRIGHT)
+            continue;
+        if (button.curState & wxAUI_BUTTON_STATE_HIDDEN)
+            continue;
+
+        offset -= button.rect.GetWidth();
+        right_buttons_width += button.rect.GetWidth();
+    }
+
+    offset = 0;
 
-        button.rect = button_rect;
+    // 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);
 
-        DrawButton(dc, button.rect, button.bitmap,
-                   m_bkbrush.GetColour(),
-                   button.cur_state);
+        if (button.location != wxLEFT)
+            continue;
+        if (button.curState & wxAUI_BUTTON_STATE_HIDDEN)
+            continue;
 
-        offset -= button.bitmap.GetWidth();
+        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_tabCloseButtons.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;
+        m_art->GetTabSize(*dc,
+                            wnd,
+                            page.caption,
+                            page.bitmap,
+                            page.active,
+                            tab_button.curState,
+                            &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;
+        }
+    }
 
-    raw_dc->Blit(m_rect.x, m_rect.y, m_rect.GetWidth(), m_rect.GetHeight(), &dc, 0, 0);
+    // 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
 // true if a tab was hit, otherwise false
 bool wxAuiTabContainer::TabHitTest(int x, int y, wxWindow** hit) const
 {
-    if (!m_rect.Inside(x,y))
+    if (!m_rect.Contains(x,y))
         return false;
 
+    wxAuiTabContainerButton* btn = NULL;
+    if (ButtonHitTest(x, y, &btn) && !(btn->curState & wxAUI_BUTTON_STATE_DISABLED))
+    {
+        if (m_buttons.Index(*btn) != wxNOT_FOUND)
+            return false;
+    }
+
     size_t i, page_count = m_pages.GetCount();
 
-    for (i = 0; i < page_count; ++i)
+    for (i = m_tabOffset; i < page_count; ++i)
     {
         wxAuiNotebookPage& page = m_pages.Item(i);
-        if (page.rect.Inside(x,y))
+        if (page.rect.Contains(x,y))
         {
-            *hit = page.window;
+            if (hit)
+                *hit = page.window;
             return true;
         }
     }
@@ -523,17 +881,35 @@ bool wxAuiTabContainer::TabHitTest(int x, int y, wxWindow** hit) const
 bool wxAuiTabContainer::ButtonHitTest(int x, int y,
                                       wxAuiTabContainerButton** hit) const
 {
-    if (!m_rect.Inside(x,y))
+    if (!m_rect.Contains(x,y))
         return false;
 
-    size_t i, button_count = m_buttons.GetCount();
+    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.Inside(x,y))
+        if (button.rect.Contains(x,y) &&
+            !(button.curState & wxAUI_BUTTON_STATE_HIDDEN ))
         {
-            *hit = &button;
+            if (hit)
+                *hit = &button;
+            return true;
+        }
+    }
+
+    button_count = m_tabCloseButtons.GetCount();
+    for (i = 0; i < button_count; ++i)
+    {
+        wxAuiTabContainerButton& button = m_tabCloseButtons.Item(i);
+        if (button.rect.Contains(x,y) &&
+            !(button.curState & (wxAUI_BUTTON_STATE_HIDDEN |
+                                   wxAUI_BUTTON_STATE_DISABLED)))
+        {
+            if (hit)
+                *hit = &button;
             return true;
         }
     }
@@ -544,16 +920,18 @@ bool wxAuiTabContainer::ButtonHitTest(int x, int y,
 
 
 // the utility function ShowWnd() is the same as show,
-// except it handles wxTabMDIChildFrame windows as well,
+// except it handles wxAuiMDIChildFrame windows as well,
 // as the Show() method on this class is "unplugged"
 static void ShowWnd(wxWindow* wnd, bool show)
 {
-    if (wnd->IsKindOf(CLASSINFO(wxTabMDIChildFrame)))
+#if wxUSE_MDI
+    if (wxDynamicCast(wnd, wxAuiMDIChildFrame))
     {
-        wxTabMDIChildFrame* cf = (wxTabMDIChildFrame*)wnd;
+        wxAuiMDIChildFrame* cf = (wxAuiMDIChildFrame*)wnd;
         cf->DoShow(show);
     }
-     else
+    else
+#endif
     {
         wnd->Show(show);
     }
@@ -582,7 +960,8 @@ 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);
     }
 }
 
@@ -594,16 +973,25 @@ void wxAuiTabContainer::DoShowHide()
 // -- wxAuiTabCtrl class implementation --
 
 
-const int wxAuiButtonClose = 101;
 
 BEGIN_EVENT_TABLE(wxAuiTabCtrl, wxControl)
     EVT_PAINT(wxAuiTabCtrl::OnPaint)
     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(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()
 
 
@@ -613,19 +1001,16 @@ wxAuiTabCtrl::wxAuiTabCtrl(wxWindow* parent,
                            const wxSize& size,
                            long style) : wxControl(parent, id, pos, size, style)
 {
-    m_click_pt = wxDefaultPosition;
-    m_is_dragging = false;
-    m_hover_button = NULL;
-
-    // FIXME: copied from dockart-- needs to put in a common place
-    static unsigned char close_bits[]={
-        0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xef,0xfb,0xcf,0xf9,
-        0x9f,0xfc,0x3f,0xfe,0x3f,0xfe,0x9f,0xfc,0xcf,0xf9,0xef,0xfb,
-        0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff};
-
-    AddButton(101, BitmapFromBits(close_bits, 16, 16, *wxBLACK));
+    SetName(wxT("wxAuiTabCtrl"));
+    m_clickPt = wxDefaultPosition;
+    m_isDragging = false;
+    m_hoverButton = NULL;
+    m_pressedButton = NULL;
 }
 
+wxAuiTabCtrl::~wxAuiTabCtrl()
+{
+}
 
 void wxAuiTabCtrl::OnPaint(wxPaintEvent&)
 {
@@ -634,7 +1019,7 @@ void wxAuiTabCtrl::OnPaint(wxPaintEvent&)
     dc.SetFont(GetFont());
 
     if (GetPageCount() > 0)
-        Render(&dc);
+        Render(&dc, this);
 }
 
 void wxAuiTabCtrl::OnEraseBackground(wxEraseEvent& WXUNUSED(evt))
@@ -651,62 +1036,168 @@ void wxAuiTabCtrl::OnSize(wxSizeEvent& evt)
 void wxAuiTabCtrl::OnLeftDown(wxMouseEvent& evt)
 {
     CaptureMouse();
-    m_click_pt = wxDefaultPosition;
-    m_is_dragging = false;
-    m_click_tab = -1;
+    m_clickPt = wxDefaultPosition;
+    m_isDragging = false;
+    m_clickTab = NULL;
+    m_pressedButton = NULL;
+
 
     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);
 
-        m_click_pt.x = evt.m_x;
-        m_click_pt.y = evt.m_y;
-        m_click_tab = e.GetSelection();
+        // 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() ||
+            wxDynamicCast(GetParent(), wxAuiNotebook)) && !m_hoverButton)
+        {
+            wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CHANGING, m_windowId);
+            e.SetSelection(new_selection);
+            e.SetOldSelection(GetActivePage());
+            e.SetEventObject(this);
+            GetEventHandler()->ProcessEvent(e);
+        }
+
+        m_clickPt.x = evt.m_x;
+        m_clickPt.y = evt.m_y;
+        m_clickTab = wnd;
     }
 
-    if (m_hover_button)
+    if (m_hoverButton)
     {
-        m_hover_button->cur_state = wxAUI_BUTTON_STATE_PRESSED;
+        m_pressedButton = m_hoverButton;
+        m_pressedButton->curState = wxAUI_BUTTON_STATE_PRESSED;
         Refresh();
         Update();
     }
 }
 
-void wxAuiTabCtrl::OnLeftUp(wxMouseEvent&)
+void wxAuiTabCtrl::OnCaptureLost(wxMouseCaptureLostEvent& WXUNUSED(event))
+{
+    if (m_isDragging)
+    {
+        m_isDragging = false;
+
+        wxAuiNotebookEvent evt(wxEVT_COMMAND_AUINOTEBOOK_CANCEL_DRAG, m_windowId);
+        evt.SetSelection(GetIdxFromWindow(m_clickTab));
+        evt.SetOldSelection(evt.GetSelection());
+        evt.SetEventObject(this);
+        GetEventHandler()->ProcessEvent(evt);
+    }
+}
+
+void wxAuiTabCtrl::OnLeftUp(wxMouseEvent& evt)
 {
     if (GetCapture() == this)
         ReleaseMouse();
 
-    if (m_is_dragging)
+    if (m_isDragging)
     {
+        m_isDragging = false;
+
         wxAuiNotebookEvent evt(wxEVT_COMMAND_AUINOTEBOOK_END_DRAG, m_windowId);
-        evt.SetSelection(m_click_tab);
-        evt.SetOldSelection(m_click_tab);
+        evt.SetSelection(GetIdxFromWindow(m_clickTab));
+        evt.SetOldSelection(evt.GetSelection());
         evt.SetEventObject(this);
         GetEventHandler()->ProcessEvent(evt);
+
         return;
     }
 
-    if (m_hover_button)
+    if (m_pressedButton)
     {
-        m_hover_button->cur_state = wxAUI_BUTTON_STATE_HOVER;
+        // make sure we're still clicking the button
+        wxAuiTabContainerButton* button = NULL;
+        if (!ButtonHitTest(evt.m_x, evt.m_y, &button) ||
+            button->curState & wxAUI_BUTTON_STATE_DISABLED)
+            return;
+
+        if (button != m_pressedButton)
+        {
+            m_pressedButton = NULL;
+            return;
+        }
+
         Refresh();
         Update();
 
-        wxAuiNotebookEvent evt(wxEVT_COMMAND_AUINOTEBOOK_BUTTON, m_windowId);
-        evt.SetInt(m_hover_button->id);
-        evt.SetEventObject(this);
-        GetEventHandler()->ProcessEvent(evt);
+        if (!(m_pressedButton->curState & wxAUI_BUTTON_STATE_DISABLED))
+        {
+            wxAuiNotebookEvent evt(wxEVT_COMMAND_AUINOTEBOOK_BUTTON, m_windowId);
+            evt.SetSelection(GetIdxFromWindow(m_clickTab));
+            evt.SetInt(m_pressedButton->id);
+            evt.SetEventObject(this);
+            GetEventHandler()->ProcessEvent(evt);
+        }
+
+        m_pressedButton = NULL;
     }
 
-    m_click_pt = wxDefaultPosition;
-    m_is_dragging = false;
-    m_click_tab = -1;
+    m_clickPt = wxDefaultPosition;
+    m_isDragging = false;
+    m_clickTab = 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)
@@ -715,37 +1206,61 @@ void wxAuiTabCtrl::OnMotion(wxMouseEvent& evt)
 
     // 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->curState & wxAUI_BUTTON_STATE_DISABLED))
     {
-        if (button->cur_state != wxAUI_BUTTON_STATE_HOVER)
+        if (m_hoverButton && button != m_hoverButton)
+        {
+            m_hoverButton->curState = wxAUI_BUTTON_STATE_NORMAL;
+            m_hoverButton = NULL;
+            Refresh();
+            Update();
+        }
+
+        if (button->curState != wxAUI_BUTTON_STATE_HOVER)
         {
-            button->cur_state = wxAUI_BUTTON_STATE_HOVER;
+            button->curState = wxAUI_BUTTON_STATE_HOVER;
             Refresh();
             Update();
-            m_hover_button = button;
+
+            m_hoverButton = button;
             return;
         }
     }
-     else
+    else
     {
-        if (m_hover_button)
+        if (m_hoverButton)
         {
-            m_hover_button->cur_state = wxAUI_BUTTON_STATE_NORMAL;
-            m_hover_button = NULL;
+            m_hoverButton->curState = wxAUI_BUTTON_STATE_NORMAL;
+            m_hoverButton = NULL;
             Refresh();
             Update();
         }
     }
 
+    wxWindow* wnd = NULL;
+
+#if wxUSE_TOOLTIPS
+   if (evt.Moving() && TabHitTest(evt.m_x, evt.m_y, &wnd))
+    {
+        wxString tooltip(m_pages[GetIdxFromWindow(wnd)].tooltip);
 
-    if (!evt.LeftIsDown() || m_click_pt == wxDefaultPosition)
+        // If the text changes, set it else, keep old, to avoid
+        // 'moving tooltip' effect
+        if (GetToolTipText() != tooltip)
+            SetToolTip(tooltip);
+    }
+    else
+        UnsetToolTip();
+#endif
+   
+    if (!evt.LeftIsDown() || m_clickPt == wxDefaultPosition)
         return;
 
-    if (m_is_dragging)
+    if (m_isDragging)
     {
         wxAuiNotebookEvent evt(wxEVT_COMMAND_AUINOTEBOOK_DRAG_MOTION, m_windowId);
-        evt.SetSelection(m_click_tab);
-        evt.SetOldSelection(m_click_tab);
+        evt.SetSelection(GetIdxFromWindow(m_clickTab));
+        evt.SetOldSelection(evt.GetSelection());
         evt.SetEventObject(this);
         GetEventHandler()->ProcessEvent(evt);
         return;
@@ -755,30 +1270,203 @@ void wxAuiTabCtrl::OnMotion(wxMouseEvent& evt)
     int drag_x_threshold = wxSystemSettings::GetMetric(wxSYS_DRAG_X);
     int drag_y_threshold = wxSystemSettings::GetMetric(wxSYS_DRAG_Y);
 
-    if (abs(pos.x - m_click_pt.x) > drag_x_threshold ||
-        abs(pos.y - m_click_pt.y) > drag_y_threshold)
+    if (abs(pos.x - m_clickPt.x) > drag_x_threshold ||
+        abs(pos.y - m_clickPt.y) > drag_y_threshold)
     {
         wxAuiNotebookEvent evt(wxEVT_COMMAND_AUINOTEBOOK_BEGIN_DRAG, m_windowId);
-        evt.SetSelection(m_click_tab);
-        evt.SetOldSelection(m_click_tab);
+        evt.SetSelection(GetIdxFromWindow(m_clickTab));
+        evt.SetOldSelection(evt.GetSelection());
         evt.SetEventObject(this);
         GetEventHandler()->ProcessEvent(evt);
 
-        m_is_dragging = true;
+        m_isDragging = true;
     }
 }
 
 void wxAuiTabCtrl::OnLeaveWindow(wxMouseEvent& WXUNUSED(event))
 {
-    if (m_hover_button)
+    if (m_hoverButton)
     {
-        m_hover_button->cur_state = wxAUI_BUTTON_STATE_NORMAL;
-        m_hover_button = NULL;
+        m_hoverButton->curState = wxAUI_BUTTON_STATE_NORMAL;
+        m_hoverButton = NULL;
         Refresh();
         Update();
     }
 }
 
+void wxAuiTabCtrl::OnButton(wxAuiNotebookEvent& event)
+{
+    int button = event.GetInt();
+
+    if (button == wxAUI_BUTTON_LEFT || button == wxAUI_BUTTON_RIGHT)
+    {
+        if (button == wxAUI_BUTTON_LEFT)
+        {
+            if (GetTabOffset() > 0)
+            {
+                SetTabOffset(GetTabOffset()-1);
+                Refresh();
+                Update();
+            }
+        }
+        else
+        {
+            SetTabOffset(GetTabOffset()+1);
+            Refresh();
+            Update();
+        }
+    }
+    else if (button == wxAUI_BUTTON_WINDOWLIST)
+    {
+        int idx = GetArtProvider()->ShowDropDown(this, m_pages, GetActivePage());
+
+        if (idx != -1)
+        {
+            wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CHANGING, m_windowId);
+            e.SetSelection(idx);
+            e.SetOldSelection(GetActivePage());
+            e.SetEventObject(this);
+            GetEventHandler()->ProcessEvent(e);
+        }
+    }
+    else
+    {
+        event.Skip();
+    }
+}
+
+void wxAuiTabCtrl::OnSetFocus(wxFocusEvent& WXUNUSED(event))
+{
+    Refresh();
+}
+
+void wxAuiTabCtrl::OnKillFocus(wxFocusEvent& WXUNUSED(event))
+{
+    Refresh();
+}
+
+void wxAuiTabCtrl::OnChar(wxKeyEvent& event)
+{
+    if (GetActivePage() == -1)
+    {
+        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
@@ -796,14 +1484,20 @@ public:
     {
         m_tabs = NULL;
         m_rect = wxRect(0,0,200,200);
-        m_tab_ctrl_height = 20;
+        m_tabCtrlHeight = 20;
+    }
+
+    ~wxTabFrame()
+    {
+        wxDELETE(m_tabs);
     }
 
     void SetTabCtrlHeight(int h)
     {
-        m_tab_ctrl_height = h;
+        m_tabCtrlHeight = h;
     }
 
+protected:
     void DoSetSize(int x, int y,
                    int width, int height,
                    int WXUNUSED(sizeFlags = wxSIZE_AUTO))
@@ -818,6 +1512,7 @@ public:
         *y = m_rect.height;
     }
 
+public:
     bool Show( bool WXUNUSED(show = true) ) { return false; }
 
     void DoSizing()
@@ -825,10 +1520,25 @@ public:
         if (!m_tabs)
             return;
 
-        int tab_height = wxMin(m_rect.height, m_tab_ctrl_height);
-        m_tab_rect = wxRect(m_rect.x, m_rect.y, m_rect.width, tab_height);
-        m_tabs->SetSize(m_rect.x, m_rect.y, m_rect.width, tab_height);
-        m_tabs->SetRect(wxRect(0, 0, m_rect.width, tab_height));
+        if (m_tabs->IsFrozen() || m_tabs->GetParent()->IsFrozen())
+            return;
+
+        m_tab_rect = wxRect(m_rect.x, m_rect.y, m_rect.width, m_tabCtrlHeight);
+        if (m_tabs->GetFlags() & wxAUI_NB_BOTTOM)
+        {
+            m_tab_rect = wxRect (m_rect.x, m_rect.y + m_rect.height - m_tabCtrlHeight, m_rect.width, m_tabCtrlHeight);
+            m_tabs->SetSize     (m_rect.x, m_rect.y + m_rect.height - m_tabCtrlHeight, m_rect.width, m_tabCtrlHeight);
+            m_tabs->SetRect     (wxRect(0, 0, m_rect.width, m_tabCtrlHeight));
+        }
+        else //TODO: if (GetFlags() & wxAUI_NB_TOP)
+        {
+            m_tab_rect = wxRect (m_rect.x, m_rect.y, m_rect.width, m_tabCtrlHeight);
+            m_tabs->SetSize     (m_rect.x, m_rect.y, m_rect.width, m_tabCtrlHeight);
+            m_tabs->SetRect     (wxRect(0, 0,        m_rect.width, m_tabCtrlHeight));
+        }
+        // TODO: else if (GetFlags() & wxAUI_NB_LEFT){}
+        // TODO: else if (GetFlags() & wxAUI_NB_RIGHT){}
+
         m_tabs->Refresh();
         m_tabs->Update();
 
@@ -837,17 +1547,38 @@ public:
 
         for (i = 0; i < page_count; ++i)
         {
+            int height = m_rect.height - m_tabCtrlHeight;
+            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+tab_height, m_rect.width, m_rect.height-tab_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_tabCtrlHeight,
+                                     m_rect.width, height);
+            }
+            // TODO: else if (GetFlags() & wxAUI_NB_LEFT){}
+            // TODO: else if (GetFlags() & wxAUI_NB_RIGHT){}
 
-            if (page.window->IsKindOf(CLASSINFO(wxTabMDIChildFrame)))
+#if wxUSE_MDI
+            if (wxDynamicCast(page.window, wxAuiMDIChildFrame))
             {
-                wxTabMDIChildFrame* wnd = (wxTabMDIChildFrame*)page.window;
+                wxAuiMDIChildFrame* wnd = (wxAuiMDIChildFrame*)page.window;
                 wnd->ApplyMDIChildFrameRect();
             }
+#endif
         }
     }
 
+protected:
     void DoGetSize(int* x, int* y) const
     {
         if (x)
@@ -856,65 +1587,77 @@ public:
             *y = m_rect.GetHeight();
     }
 
+public:
     void Update()
     {
         // does nothing
     }
 
-public:
-
     wxRect m_rect;
     wxRect m_tab_rect;
     wxAuiTabCtrl* m_tabs;
-    int m_tab_ctrl_height;
+    int m_tabCtrlHeight;
 };
 
 
+const int wxAuiBaseTabCtrlId = 5380;
 
 
+// -- wxAuiNotebook class implementation --
 
-// -- wxAuiMultiNotebook class implementation --
+#define EVT_AUI_RANGE(id1, id2, event, func) \
+    wx__DECLARE_EVT2(event, id1, id2, wxAuiNotebookEventHandler(func))
 
-BEGIN_EVENT_TABLE(wxAuiMultiNotebook, wxControl)
-    //EVT_ERASE_BACKGROUND(wxAuiMultiNotebook::OnEraseBackground)
-    //EVT_SIZE(wxAuiMultiNotebook::OnSize)
-    //EVT_LEFT_DOWN(wxAuiMultiNotebook::OnLeftDown)
-    EVT_CHILD_FOCUS(wxAuiMultiNotebook::OnChildFocus)
-    EVT_COMMAND_RANGE(10000, 10100,
+BEGIN_EVENT_TABLE(wxAuiNotebook, wxControl)
+    EVT_SIZE(wxAuiNotebook::OnSize)
+    EVT_CHILD_FOCUS(wxAuiNotebook::OnChildFocusNotebook)
+    EVT_AUI_RANGE(wxAuiBaseTabCtrlId, wxAuiBaseTabCtrlId+500,
                       wxEVT_COMMAND_AUINOTEBOOK_PAGE_CHANGING,
-                      wxAuiMultiNotebook::OnTabClicked)
-    EVT_COMMAND_RANGE(10000, 10100,
+                      wxAuiNotebook::OnTabClicked)
+    EVT_AUI_RANGE(wxAuiBaseTabCtrlId, wxAuiBaseTabCtrlId+500,
                       wxEVT_COMMAND_AUINOTEBOOK_BEGIN_DRAG,
-                      wxAuiMultiNotebook::OnTabBeginDrag)
-    EVT_COMMAND_RANGE(10000, 10100,
+                      wxAuiNotebook::OnTabBeginDrag)
+    EVT_AUI_RANGE(wxAuiBaseTabCtrlId, wxAuiBaseTabCtrlId+500,
                       wxEVT_COMMAND_AUINOTEBOOK_END_DRAG,
-                      wxAuiMultiNotebook::OnTabEndDrag)
-    EVT_COMMAND_RANGE(10000, 10100,
+                      wxAuiNotebook::OnTabEndDrag)
+    EVT_AUI_RANGE(wxAuiBaseTabCtrlId, wxAuiBaseTabCtrlId+500,
+                      wxEVT_COMMAND_AUINOTEBOOK_CANCEL_DRAG,
+                      wxAuiNotebook::OnTabCancelDrag)
+    EVT_AUI_RANGE(wxAuiBaseTabCtrlId, wxAuiBaseTabCtrlId+500,
                       wxEVT_COMMAND_AUINOTEBOOK_DRAG_MOTION,
-                      wxAuiMultiNotebook::OnTabDragMotion)
-    EVT_COMMAND_RANGE(10000, 10100,
+                      wxAuiNotebook::OnTabDragMotion)
+    EVT_AUI_RANGE(wxAuiBaseTabCtrlId, wxAuiBaseTabCtrlId+500,
                       wxEVT_COMMAND_AUINOTEBOOK_BUTTON,
-                      wxAuiMultiNotebook::OnTabButton)
+                      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()
 
-wxAuiMultiNotebook::wxAuiMultiNotebook()
-{
-    m_curpage = -1;
-    m_tab_id_counter = 10000;
-    m_dummy_wnd = NULL;
-    m_tab_ctrl_height = 20;
-}
-
-wxAuiMultiNotebook::wxAuiMultiNotebook(wxWindow *parent,
-                             wxWindowID id,
-                             const wxPoint& pos,
-                             const wxSize& size,
-                             long style) : wxControl(parent, id, pos, size, style)
+void wxAuiNotebook::Init()
 {
-    InitNotebook();
+    m_curPage = -1;
+    m_tabIdCounter = wxAuiBaseTabCtrlId;
+    m_dummyWnd = NULL;
+    m_tabCtrlHeight = 20;
+    m_requestedBmpSize = wxDefaultSize;
+    m_requestedTabCtrlHeight = -1;
 }
 
-bool wxAuiMultiNotebook::Create(wxWindow* parent,
+bool wxAuiNotebook::Create(wxWindow* parent,
                            wxWindowID id,
                            const wxPoint& pos,
                            const wxSize& size,
@@ -923,49 +1666,248 @@ bool wxAuiMultiNotebook::Create(wxWindow* parent,
     if (!wxControl::Create(parent, id, pos, size, style))
         return false;
 
-    InitNotebook();
+    InitNotebook(style);
 
     return true;
 }
 
 // InitNotebook() contains common initialization
 // code called by all constructors
-void wxAuiMultiNotebook::InitNotebook()
+void wxAuiNotebook::InitNotebook(long style)
 {
-    m_curpage = -1;
-    m_tab_id_counter = 10000;
-    m_dummy_wnd = NULL;
-    m_tab_ctrl_height = 20;
+    SetName(wxT("wxAuiNotebook"));
+    m_curPage = -1;
+    m_tabIdCounter = wxAuiBaseTabCtrlId;
+    m_dummyWnd = NULL;
+    m_flags = (unsigned int)style;
+    m_tabCtrlHeight = 20;
 
-    m_normal_font = *wxNORMAL_FONT;
-    m_selected_font = *wxNORMAL_FONT;
-    m_selected_font.SetWeight(wxBOLD);
+    m_normalFont = *wxNORMAL_FONT;
+    m_selectedFont = *wxNORMAL_FONT;
+    m_selectedFont.SetWeight(wxBOLD);
 
-    // choose a default for the tab height
-    wxClientDC dc(this);
-    int tx, ty;
-    dc.SetFont(m_selected_font);
-    dc.GetTextExtent(wxT("ABCDEFGHhijklm"), &tx, &ty);
-    m_tab_ctrl_height = (ty*150)/100;
+    SetArtProvider(new wxAuiDefaultTabArt);
 
-    m_dummy_wnd = new wxWindow(this, wxID_ANY, wxPoint(0,0), wxSize(0,0));
-    m_dummy_wnd->SetSize(200, 200);
-    m_dummy_wnd->Show(false);
+    m_dummyWnd = new wxWindow(this, wxID_ANY, wxPoint(0,0), wxSize(0,0));
+    m_dummyWnd->SetSize(200, 200);
+    m_dummyWnd->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,
-              wxPaneInfo().Name(wxT("dummy")).Bottom().Show(false));
+    m_mgr.AddPane(m_dummyWnd,
+              wxAuiPaneInfo().Name(wxT("dummy")).Bottom().CaptionVisible(false).Show(false));
 
     m_mgr.Update();
 }
 
-wxAuiMultiNotebook::~wxAuiMultiNotebook()
+wxAuiNotebook::~wxAuiNotebook()
 {
+    // Indicate we're deleting pages
+    SendDestroyEvent();
+
+    while ( GetPageCount() > 0 )
+        DeletePage(0);
+
     m_mgr.UnInit();
 }
 
-bool wxAuiMultiNotebook::AddPage(wxWindow* page,
+void wxAuiNotebook::SetArtProvider(wxAuiTabArt* art)
+{
+    m_tabs.SetArtProvider(art);
+
+    // 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_requestedTabCtrlHeight = height;
+
+    // if window is already initialized, recalculate the tab height
+    if (m_dummyWnd)
+    {
+        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_requestedBmpSize = size;
+
+    // if window is already initialized, recalculate the tab height
+    if (m_dummyWnd)
+    {
+        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_tabCtrlHeight == height)
+        return false;
+
+    wxAuiTabArt* art = m_tabs.GetArtProvider();
+
+    m_tabCtrlHeight = height;
+
+    wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
+    size_t i, pane_count = all_panes.GetCount();
+    for (i = 0; i < pane_count; ++i)
+    {
+        wxAuiPaneInfo& pane = all_panes.Item(i);
+        if (pane.name == wxT("dummy"))
+            continue;
+        wxTabFrame* tab_frame = (wxTabFrame*)pane.window;
+        wxAuiTabCtrl* tabctrl = tab_frame->m_tabs;
+        tab_frame->SetTabCtrlHeight(m_tabCtrlHeight);
+        tabctrl->SetArtProvider(art->Clone());
+        tab_frame->DoSizing();
+    }
+
+    return true;
+}
+
+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_dummyWnd->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_requestedTabCtrlHeight != -1)
+        return m_requestedTabCtrlHeight;
+
+    // find out new best tab height
+    wxAuiTabArt* art = m_tabs.GetArtProvider();
+
+    return art->GetBestTabCtrlSize(this,
+                                   m_tabs.GetPages(),
+                                   m_requestedBmpSize);
+}
+
+
+wxAuiTabArt* wxAuiNotebook::GetArtProvider() const
+{
+    return m_tabs.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)
+        {
+            wxAuiPaneInfo& pane = all_panes.Item(i);
+            if (pane.name == wxT("dummy"))
+                continue;
+            wxTabFrame* tabframe = (wxTabFrame*)pane.window;
+            wxAuiTabCtrl* tabctrl = tabframe->m_tabs;
+            tabctrl->SetFlags(m_flags);
+            tabframe->DoSizing();
+            tabctrl->Refresh();
+            tabctrl->Update();
+        }
+    }
+}
+
+
+bool wxAuiNotebook::AddPage(wxWindow* page,
                             const wxString& caption,
                             bool select,
                             const wxBitmap& bitmap)
@@ -973,12 +1915,18 @@ bool wxAuiMultiNotebook::AddPage(wxWindow* page,
     return InsertPage(GetPageCount(), page, caption, select, bitmap);
 }
 
-bool wxAuiMultiNotebook::InsertPage(size_t page_idx,
+bool wxAuiNotebook::InsertPage(size_t page_idx,
                                wxWindow* page,
                                const wxString& caption,
                                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;
@@ -992,22 +1940,31 @@ bool wxAuiMultiNotebook::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 wxAuiMultiNotebook::InsertPage()"));
-
-        SetSelection(idx);
-    }
+        SetSelectionToWindow(page);
+    }
 
     return true;
 }
@@ -1015,73 +1972,35 @@ bool wxAuiMultiNotebook::InsertPage(size_t page_idx,
 
 // DeletePage() removes a tab from the multi-notebook,
 // and destroys the window as well
-bool wxAuiMultiNotebook::DeletePage(size_t page_idx)
+bool wxAuiNotebook::DeletePage(size_t page_idx)
 {
-    wxWindow* wnd = m_tabs.GetWindowFromIdx(page_idx);
-
-
-    // find out which onscreen tab ctrl owns this tab
-    wxAuiTabCtrl* ctrl;
-    int ctrl_idx;
-    if (!FindTab(wnd, &ctrl, &ctrl_idx))
+    if (page_idx >= m_tabs.GetPageCount())
         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;
-
-    if (new_idx >= 0 && new_idx < (int)ctrl->GetPageCount())
-    {
-        wxWindow* new_wnd = ctrl->GetWindowFromIdx(new_idx);
-        int main_idx = m_tabs.GetIdxFromWindow(new_wnd);
-        wxASSERT(main_idx != -1);
-        SetSelection(main_idx);
-    }
-     else
-    {
-        // set the active page to the first page that
-        // isn't the one being deleted
-        bool found = false;
-        size_t i, page_count = m_tabs.GetPageCount();
-        for (i = 0; i < page_count; ++i)
-        {
-            wxWindow* w = m_tabs.GetWindowFromIdx(i);
-            if (wnd != w)
-            {
-                found = true;
-                SetSelection(i);
-                break;
-            }
-        }
-
-        if (!found)
-            m_curpage = -1;
-    }
+    wxWindow* wnd = m_tabs.GetWindowFromIdx(page_idx);
 
+    // hide the window in advance, as this will
+    // prevent flicker
+    ShowWnd(wnd, false);
 
-    // remove the tab from main catalog
-    if (!m_tabs.RemovePage(wnd))
+    if (!RemovePage(page_idx))
         return false;
 
-    // remove the tab from the onscreen tab ctrl
-    ctrl->RemovePage(wnd);
-
+#if wxUSE_MDI
     // actually destroy the window now
-    if (wnd->IsKindOf(CLASSINFO(wxTabMDIChildFrame)))
+    if (wxDynamicCast(wnd, wxAuiMDIChildFrame))
     {
         // delete the child frame with pending delete, as is
         // customary with frame windows
         if (!wxPendingDelete.Member(wnd))
             wxPendingDelete.Append(wnd);
     }
-     else
+    else
+#endif
     {
         wnd->Destroy();
     }
 
-    RemoveEmptyTabFrames();
-
     return true;
 }
 
@@ -1089,27 +2008,106 @@ bool wxAuiMultiNotebook::DeletePage(size_t page_idx)
 
 // RemovePage() removes a tab from the multi-notebook,
 // but does not destroy the window
-bool wxAuiMultiNotebook::RemovePage(size_t page_idx)
+bool wxAuiNotebook::RemovePage(size_t page_idx)
 {
-    // remove the tab from our own catalog
+    // 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);
-    if (!m_tabs.RemovePage(wnd))
+    wxWindow* new_active = NULL;
+
+    // make sure we found the page
+    if (!wnd)
         return false;
 
-    // remove the tab from the onscreen tab ctrl
+    // find out which onscreen tab ctrl owns this tab
     wxAuiTabCtrl* ctrl;
     int ctrl_idx;
-    if (FindTab(wnd, &ctrl, &ctrl_idx))
+    if (!FindTab(wnd, &ctrl, &ctrl_idx))
+        return false;
+
+    bool is_curpage = (m_curPage == (int)page_idx);
+    bool is_active_in_split = ctrl->GetPage(ctrl_idx).active;
+
+
+    // remove the tab from main catalog
+    if (!m_tabs.RemovePage(wnd))
+        return false;
+
+    // remove the tab from the onscreen tab ctrl
+    ctrl->RemovePage(wnd);
+
+    if (is_active_in_split)
     {
-        ctrl->RemovePage(wnd);
-        return true;
+        int ctrl_new_page_count = (int)ctrl->GetPageCount();
+
+        if (ctrl_idx >= ctrl_new_page_count)
+            ctrl_idx = ctrl_new_page_count-1;
+
+        if (ctrl_idx >= 0 && ctrl_idx < (int)ctrl->GetPageCount())
+        {
+            // set new page as active in the tab split
+            ctrl->SetActivePage(ctrl_idx);
+
+            // 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
+    {
+        // we are not deleting the active page, so keep it the same
+        new_active = active_wnd;
     }
 
-    return false;
+
+    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 wxAuiMultiNotebook::SetPageText(size_t page_idx, const wxString& text)
+bool wxAuiNotebook::SetPageText(size_t page_idx, const wxString& text)
 {
     if (page_idx >= m_tabs.GetPageCount())
         return false;
@@ -1132,80 +2130,130 @@ bool wxAuiMultiNotebook::SetPageText(size_t page_idx, const wxString& text)
     return true;
 }
 
-// GetSelection() returns the index of the currently active page
-int wxAuiMultiNotebook::GetSelection() const
+// returns the page caption
+wxString wxAuiNotebook::GetPageText(size_t page_idx) const
 {
-    return m_curpage;
+    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;
 }
 
-// SetSelection() sets the currently active page
-size_t wxAuiMultiNotebook::SetSelection(size_t new_page)
+bool wxAuiNotebook::SetPageToolTip(size_t page_idx, const wxString& text)
 {
-    wxWindow* wnd = m_tabs.GetWindowFromIdx(new_page);
-    if (!wnd)
-        return m_curpage;
+    if (page_idx >= m_tabs.GetPageCount())
+        return false;
 
-    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())
+    // update our own tab catalog
+    wxAuiNotebookPage& page_info = m_tabs.GetPage(page_idx);
+    page_info.tooltip = text;
+
+    wxAuiTabCtrl* ctrl;
+    int ctrl_idx;
+    if (!FindTab(page_info.window, &ctrl, &ctrl_idx))
+        return false;
+
+    wxAuiNotebookPage& info = ctrl->GetPage(ctrl_idx);
+    info.tooltip = text;
+
+    // NB: we don't update the tooltip if it is already being displayed, it
+    //     typically never happens, no need to code that
+    return true;
+}
+
+wxString wxAuiNotebook::GetPageToolTip(size_t page_idx) const
+{
+    if (page_idx >= m_tabs.GetPageCount())
+        return wxString();
+
+    const wxAuiNotebookPage& page_info = m_tabs.GetPage(page_idx);
+    return page_info.tooltip;
+}
+
+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))
     {
-        // program allows the page change
-        evt.SetEventType(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CHANGED);
-        (void)GetEventHandler()->ProcessEvent(evt);
+        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();
 
-        wxAuiTabCtrl* ctrl;
-        int ctrl_idx;
-        if (FindTab(wnd, &ctrl, &ctrl_idx))
-        {
-            m_tabs.SetActivePage(wnd);
+    // update our own tab catalog
+    const wxAuiNotebookPage& page_info = m_tabs.GetPage(page_idx);
+    return page_info.bitmap;
+}
 
-            ctrl->SetActivePage(ctrl_idx);
-            DoSizing();
-            ctrl->DoShowHide();
+// GetSelection() returns the index of the currently active page
+int wxAuiNotebook::GetSelection() const
+{
+    return m_curPage;
+}
 
-            int old_curpage = m_curpage;
-            m_curpage = new_page;
+// SetSelection() sets the currently active page
+int wxAuiNotebook::SetSelection(size_t new_page)
+{
+    return DoModifySelection(new_page, true);
+}
 
+void wxAuiNotebook::SetSelectionToWindow(wxWindow *win)
+{
+    const int idx = m_tabs.GetIdxFromWindow(win);
+    wxCHECK_RET( idx != wxNOT_FOUND, wxT("invalid notebook page") );
 
-            // set fonts
-            wxPaneInfoArray& all_panes = m_mgr.GetAllPanes();
-            size_t i, pane_count = all_panes.GetCount();
-            for (i = 0; i < pane_count; ++i)
-            {
-                wxPaneInfo& pane = all_panes.Item(i);
-                if (pane.name == wxT("dummy"))
-                    continue;
-                wxAuiTabCtrl* tabctrl = ((wxTabFrame*)pane.window)->m_tabs;
-                if (tabctrl != ctrl)
-                    tabctrl->SetSelectedFont(m_normal_font);
-                     else
-                    tabctrl->SetSelectedFont(m_selected_font);
-                tabctrl->Refresh();
-            }
 
-            wnd->SetFocus();
+    // 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)
 
-            return old_curpage;
-        }
+    wxWindow* parent = GetParent();
+    if (parent)
+    {
+        wxChildFocusEvent eventFocus(this);
+        parent->GetEventHandler()->ProcessEvent(eventFocus);
     }
 
-    return m_curpage;
+
+    SetSelection(idx);
 }
 
 // GetPageCount() returns the total number of
 // pages managed by the multi-notebook
-size_t wxAuiMultiNotebook::GetPageCount() const
+size_t wxAuiNotebook::GetPageCount() const
 {
     return m_tabs.GetPageCount();
 }
 
 // GetPage() returns the wxWindow pointer of the
 // specified page
-wxWindow* wxAuiMultiNotebook::GetPage(size_t page_idx) const
+wxWindow* wxAuiNotebook::GetPage(size_t page_idx) const
 {
     wxASSERT(page_idx < m_tabs.GetPageCount());
 
@@ -1213,9 +2261,9 @@ wxWindow* wxAuiMultiNotebook::GetPage(size_t page_idx) const
 }
 
 // DoSizing() performs all sizing operations in each tab control
-void wxAuiMultiNotebook::DoSizing()
+void wxAuiNotebook::DoSizing()
 {
-    wxPaneInfoArray& all_panes = m_mgr.GetAllPanes();
+    wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
     size_t i, pane_count = all_panes.GetCount();
     for (i = 0; i < pane_count; ++i)
     {
@@ -1229,15 +2277,15 @@ void wxAuiMultiNotebook::DoSizing()
 
 // GetActiveTabCtrl() returns the active tab control.  It is
 // called to determine which control gets new windows being added
-wxAuiTabCtrl* wxAuiMultiNotebook::GetActiveTabCtrl()
+wxAuiTabCtrl* wxAuiNotebook::GetActiveTabCtrl()
 {
-    if (m_curpage >= 0 && m_curpage < (int)m_tabs.GetPageCount())
+    if (m_curPage >= 0 && m_curPage < (int)m_tabs.GetPageCount())
     {
         wxAuiTabCtrl* ctrl;
         int idx;
 
         // find the tab ctrl with the current page
-        if (FindTab(m_tabs.GetPage(m_curpage).window,
+        if (FindTab(m_tabs.GetPage(m_curPage).window,
                     &ctrl, &idx))
         {
             return ctrl;
@@ -1245,7 +2293,7 @@ wxAuiTabCtrl* wxAuiMultiNotebook::GetActiveTabCtrl()
     }
 
     // no current page, just find the first tab ctrl
-    wxPaneInfoArray& all_panes = m_mgr.GetAllPanes();
+    wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
     size_t i, pane_count = all_panes.GetCount();
     for (i = 0; i < pane_count; ++i)
     {
@@ -1258,14 +2306,16 @@ wxAuiTabCtrl* wxAuiMultiNotebook::GetActiveTabCtrl()
 
     // If there is no tabframe at all, create one
     wxTabFrame* tabframe = new wxTabFrame;
-    tabframe->SetTabCtrlHeight(m_tab_ctrl_height);
+    tabframe->SetTabCtrlHeight(m_tabCtrlHeight);
     tabframe->m_tabs = new wxAuiTabCtrl(this,
-                                        m_tab_id_counter++,
+                                        m_tabIdCounter++,
                                         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,
-                  wxPaneInfo().Center().CaptionVisible(false));
+                  wxAuiPaneInfo().Center().CaptionVisible(false));
 
     m_mgr.Update();
 
@@ -1275,9 +2325,9 @@ wxAuiTabCtrl* wxAuiMultiNotebook::GetActiveTabCtrl()
 // FindTab() finds the tab control that currently contains the window as well
 // as the index of the window in the tab control.  It returns true if the
 // window was found, otherwise false.
-bool wxAuiMultiNotebook::FindTab(wxWindow* page, wxAuiTabCtrl** ctrl, int* idx)
+bool wxAuiNotebook::FindTab(wxWindow* page, wxAuiTabCtrl** ctrl, int* idx)
 {
-    wxPaneInfoArray& all_panes = m_mgr.GetAllPanes();
+    wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
     size_t i, pane_count = all_panes.GetCount();
     for (i = 0; i < pane_count; ++i)
     {
@@ -1298,113 +2348,88 @@ bool wxAuiMultiNotebook::FindTab(wxWindow* page, wxAuiTabCtrl** ctrl, int* idx)
     return false;
 }
 
-
-void wxAuiMultiNotebook::OnEraseBackground(wxEraseEvent&)
-{
-}
-
-void wxAuiMultiNotebook::OnSize(wxSizeEvent&)
-{
-}
-
-void wxAuiMultiNotebook::OnTabClicked(wxCommandEvent& command_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);
-
-    SetSelection(idx);
-}
-
-void wxAuiMultiNotebook::OnTabBeginDrag(wxCommandEvent&)
+void wxAuiNotebook::Split(size_t page, int direction)
 {
-}
+    wxSize cli_size = GetClientSize();
 
-void wxAuiMultiNotebook::OnTabDragMotion(wxCommandEvent& evt)
-{
-    wxPoint screen_pt = ::wxGetMousePosition();
-    wxPoint client_pt = ScreenToClient(screen_pt);
-    wxPoint zero(0,0);
+    // get the page's window pointer
+    wxWindow* wnd = GetPage(page);
+    if (!wnd)
+        return;
 
-    wxAuiTabCtrl* src_tabs = (wxAuiTabCtrl*)evt.GetEventObject();
+    // notebooks with 1 or less pages can't be split
+    if (GetPageCount() < 2)
+        return;
 
-    wxAuiTabCtrl* tab_ctrl = GetTabCtrlFromPoint(client_pt);
-    if (tab_ctrl == src_tabs)
-    {
-        // inner-tabctrl dragging is not yet implemented
-        m_mgr.HideHint();
+    // 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;
-    }
 
-    if (tab_ctrl)
+    // choose a split size
+    wxSize split_size;
+    if (GetPageCount() > 2)
     {
-        wxRect hint_rect = tab_ctrl->GetRect();
-        ClientToScreen(&hint_rect.x, &hint_rect.y);
-        m_mgr.ShowHint(hint_rect);
+        split_size = CalculateNewSplitSize();
     }
-     else
+    else
     {
-        m_mgr.DrawHintRect(m_dummy_wnd, client_pt, zero);
+        // because there are two panes, always split them
+        // equally
+        split_size = GetClientSize();
+        split_size.x /= 2;
+        split_size.y /= 2;
     }
-}
-
-
-
-void wxAuiMultiNotebook::OnTabEndDrag(wxCommandEvent& command_evt)
-{
-    wxAuiNotebookEvent& evt = (wxAuiNotebookEvent&)command_evt;
-
-    m_mgr.HideHint();
-
-
-    // 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);
 
 
-    // the src tab control is the control that fired this event
-    wxAuiTabCtrl* src_tabs = (wxAuiTabCtrl*)evt.GetEventObject();
-    wxAuiTabCtrl* dest_tabs = NULL;
+    // create a new tab frame
+    wxTabFrame* new_tabs = new wxTabFrame;
+    new_tabs->m_rect = wxRect(wxPoint(0,0), split_size);
+    new_tabs->SetTabCtrlHeight(m_tabCtrlHeight);
+    new_tabs->m_tabs = new wxAuiTabCtrl(this,
+                                        m_tabIdCounter++,
+                                        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 paneInfo = wxAuiPaneInfo().Bottom().CaptionVisible(false);
+    wxPoint mouse_pt;
 
-    // If the pointer is in an existing tab frame, do a tab insert
-    wxWindow* hit_wnd = ::wxFindWindowAtPoint(mouse_screen_pt);
-    wxTabFrame* tab_frame = (wxTabFrame*)GetTabFrameFromTabCtrl(hit_wnd);
-    if (tab_frame)
+    if (direction == wxLEFT)
     {
-        dest_tabs = tab_frame->m_tabs;
-
-        if (dest_tabs == src_tabs)
-            return;
+        paneInfo.Left();
+        mouse_pt = wxPoint(0, cli_size.y/2);
     }
-     else
-    {
-        // If there is no tabframe at all, create one
-        wxTabFrame* new_tabs = new wxTabFrame;
-        new_tabs->SetTabCtrlHeight(m_tab_ctrl_height);
-        new_tabs->m_tabs = new wxAuiTabCtrl(this,
-                                            m_tab_id_counter++,
-                                            wxDefaultPosition,
-                                            wxDefaultSize,
-                                            wxNO_BORDER);
-        m_mgr.AddPane(new_tabs,
-                      wxPaneInfo().Bottom().CaptionVisible(false),
-                      mouse_client_pt);
-        m_mgr.Update();
-        dest_tabs = new_tabs->m_tabs;
+    else if (direction == wxRIGHT)
+    {
+        paneInfo.Right();
+        mouse_pt = wxPoint(cli_size.x, cli_size.y/2);
+    }
+    else if (direction == wxTOP)
+    {
+        paneInfo.Top();
+        mouse_pt = wxPoint(cli_size.x/2, 0);
+    }
+    else if (direction == wxBOTTOM)
+    {
+        paneInfo.Bottom();
+        mouse_pt = wxPoint(cli_size.x/2, cli_size.y);
     }
 
-
+    m_mgr.AddPane(new_tabs, paneInfo, mouse_pt);
+    m_mgr.Update();
 
     // remove the page from the source tabs
-    wxAuiNotebookPage page_info = src_tabs->GetPage(evt.GetSelection());
+    wxAuiNotebookPage page_info = src_tabs->GetPage(src_idx);
     page_info.active = false;
     src_tabs->RemovePage(page_info.window);
     if (src_tabs->GetPageCount() > 0)
@@ -1415,9 +2440,8 @@ void wxAuiMultiNotebook::OnTabEndDrag(wxCommandEvent& command_evt)
     }
 
 
-
     // add the page to the destination tabs
-    dest_tabs->AddPage(page_info.window, page_info);
+    dest_tabs->InsertPage(page_info.window, page_info, 0);
 
     if (src_tabs->GetPageCount() == 0)
     {
@@ -1428,56 +2452,462 @@ void wxAuiMultiNotebook::OnTabEndDrag(wxCommandEvent& command_evt)
     dest_tabs->DoShowHide();
     dest_tabs->Refresh();
 
-    SetSelection(m_tabs.GetIdxFromWindow(page_info.window));
-}
-
-wxAuiTabCtrl* wxAuiMultiNotebook::GetTabCtrlFromPoint(const wxPoint& pt)
-{
-    // if we've just removed the last tab from the source
-    // tab set, the remove the tab control completely
-    wxPaneInfoArray& all_panes = m_mgr.GetAllPanes();
-    size_t i, pane_count = all_panes.GetCount();
-    for (i = 0; i < pane_count; ++i)
-    {
-        if (all_panes.Item(i).name == wxT("dummy"))
-            continue;
+    // force the set selection function reset the selection
+    m_curPage = -1;
 
-        wxTabFrame* tabframe = (wxTabFrame*)all_panes.Item(i).window;
-        if (tabframe->m_tab_rect.Inside(pt))
-            return tabframe->m_tabs;
-    }
+    // set the active page to the one we just split off
+    SetSelectionToPage(page_info);
 
-    return NULL;
+    UpdateHintWindowSize();
 }
 
-wxWindow* wxAuiMultiNotebook::GetTabFrameFromTabCtrl(wxWindow* tab_ctrl)
-{
-    // if we've just removed the last tab from the source
-    // tab set, the remove the tab control completely
-    wxPaneInfoArray& all_panes = m_mgr.GetAllPanes();
-    size_t i, pane_count = all_panes.GetCount();
-    for (i = 0; i < pane_count; ++i)
-    {
-        if (all_panes.Item(i).name == wxT("dummy"))
-            continue;
 
-        wxTabFrame* tabframe = (wxTabFrame*)all_panes.Item(i).window;
-        if (tabframe->m_tabs == tab_ctrl)
-        {
-            return tabframe;
-        }
-    }
+void wxAuiNotebook::OnSize(wxSizeEvent& evt)
+{
+    UpdateHintWindowSize();
 
-    return NULL;
+    evt.Skip();
 }
 
-void wxAuiMultiNotebook::RemoveEmptyTabFrames()
+void wxAuiNotebook::OnTabClicked(wxAuiNotebookEvent& evt)
 {
-    bool must_update = false;
+    wxAuiTabCtrl* ctrl = (wxAuiTabCtrl*)evt.GetEventObject();
+    wxASSERT(ctrl != NULL);
 
+    wxWindow* wnd = ctrl->GetWindowFromIdx(evt.GetSelection());
+    wxASSERT(wnd != NULL);
+
+    SetSelectionToWindow(wnd);
+}
+
+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(wxAuiNotebookEvent&)
+{
+    m_lastDragX = 0;
+}
+
+void wxAuiNotebook::OnTabDragMotion(wxAuiNotebookEvent& evt)
+{
+    wxPoint screen_pt = ::wxGetMousePosition();
+    wxPoint client_pt = ScreenToClient(screen_pt);
+    wxPoint zero(0,0);
+
+    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_lastDragX <= pt.x) ||
+                (src_idx < dest_idx && m_lastDragX >= pt.x))
+            {
+                m_lastDragX = pt.x;
+                return;
+            }
+
+
+            wxWindow* src_tab = dest_tabs->GetWindowFromIdx(src_idx);
+            dest_tabs->MovePage(src_tab, dest_idx);
+            dest_tabs->SetActivePage((size_t)dest_idx);
+            dest_tabs->DoShowHide();
+            dest_tabs->Refresh();
+            m_lastDragX = pt.x;
+
+        }
+
+        return;
+    }
+
+
+    // if external drag is allowed, check if the tab is being dragged
+    // over a different wxAuiNotebook control
+    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 (!wxDynamicCast(tab_ctrl, wxFrame))
+        {
+            while (tab_ctrl)
+            {
+                if (wxDynamicCast(tab_ctrl, wxAuiTabCtrl))
+                    break;
+                tab_ctrl = tab_ctrl->GetParent();
+            }
+
+            if (tab_ctrl)
+            {
+                wxAuiNotebook* nb = (wxAuiNotebook*)tab_ctrl->GetParent();
+
+                if (nb != this)
+                {
+                    wxRect hint_rect = tab_ctrl->GetClientRect();
+                    tab_ctrl->ClientToScreen(&hint_rect.x, &hint_rect.y);
+                    m_mgr.ShowHint(hint_rect);
+                    return;
+                }
+            }
+        }
+        else
+        {
+            if (!dest_tabs)
+            {
+                // we are either over a hint window, or not over a tab
+                // window, and there is no where to drag to, so exit
+                return;
+            }
+        }
+    }
+
+
+    // if there are less than two panes, split can't happen, so leave
+    if (m_tabs.GetPageCount() < 2)
+        return;
+
+    // if tab moving is not allowed, leave
+    if (!(m_flags & wxAUI_NB_TAB_SPLIT))
+        return;
+
+
+    if (src_tabs)
+    {
+        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
+    {
+        m_mgr.DrawHintRect(m_dummyWnd, client_pt, zero);
+    }
+}
+
+
+
+void wxAuiNotebook::OnTabEndDrag(wxAuiNotebookEvent& evt)
+{
+    m_mgr.HideHint();
+
+
+    wxAuiTabCtrl* src_tabs = (wxAuiTabCtrl*)evt.GetEventObject();
+    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);
+
+
+
+    // check for an external move
+    if (m_flags & wxAUI_NB_TAB_EXTERNAL_MOVE)
+    {
+        wxWindow* tab_ctrl = ::wxFindWindowAtPoint(mouse_screen_pt);
+
+        while (tab_ctrl)
+        {
+            if (wxDynamicCast(tab_ctrl, 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
+                // if it's ok to drop this tab here
+                wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_ALLOW_DND, m_windowId);
+                e.SetSelection(evt.GetSelection());
+                e.SetOldSelection(evt.GetSelection());
+                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(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);
+
+                wxWindow* target = NULL;
+                int insert_idx = -1;
+                dest_tabs->TabHitTest(pt.x, pt.y, &target);
+                if (target)
+                {
+                    insert_idx = dest_tabs->GetIdxFromWindow(target);
+                }
+
+
+                // add the page to the new notebook
+                if (insert_idx == -1)
+                    insert_idx = dest_tabs->GetPageCount();
+                dest_tabs->InsertPage(page_info.window, page_info, insert_idx);
+                nb->m_tabs.AddPage(page_info.window, page_info);
+
+                nb->DoSizing();
+                dest_tabs->DoShowHide();
+                dest_tabs->Refresh();
+
+                // set the selection in the destination tab control
+                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;
+            }
+        }
+    }
+
+
+
+
+    // 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
+        wxWindow* hit_wnd = ::wxFindWindowAtPoint(mouse_screen_pt);
+        wxTabFrame* tab_frame = (wxTabFrame*)GetTabFrameFromTabCtrl(hit_wnd);
+        int insert_idx = -1;
+        if (tab_frame)
+        {
+            dest_tabs = tab_frame->m_tabs;
+
+            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);
+            if (target)
+            {
+                insert_idx = dest_tabs->GetIdxFromWindow(target);
+            }
+        }
+        else
+        {
+            wxPoint zero(0,0);
+            wxRect rect = m_mgr.CalculateHintRect(m_dummyWnd,
+                                                  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_tabCtrlHeight);
+            new_tabs->m_tabs = new wxAuiTabCtrl(this,
+                                                m_tabIdCounter++,
+                                                wxDefaultPosition,
+                                                wxDefaultSize,
+                                                wxNO_BORDER|wxWANTS_CHARS);
+            new_tabs->m_tabs->SetArtProvider(m_tabs.GetArtProvider()->Clone());
+            new_tabs->m_tabs->SetFlags(m_flags);
+
+            m_mgr.AddPane(new_tabs,
+                          wxAuiPaneInfo().Bottom().CaptionVisible(false),
+                          mouse_client_pt);
+            m_mgr.Update();
+            dest_tabs = new_tabs->m_tabs;
+        }
+
+
+
+        // remove the page from the source tabs
+        wxAuiNotebookPage page_info = src_tabs->GetPage(evt.GetSelection());
+        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
+        if (insert_idx == -1)
+            insert_idx = dest_tabs->GetPageCount();
+        dest_tabs->InsertPage(page_info.window, page_info, insert_idx);
+
+        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();
+    }
+
+    // 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, wxT("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
+    // tab set, the remove the tab control completely
+    wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
+    size_t i, pane_count = all_panes.GetCount();
+    for (i = 0; i < pane_count; ++i)
+    {
+        if (all_panes.Item(i).name == wxT("dummy"))
+            continue;
+
+        wxTabFrame* tabframe = (wxTabFrame*)all_panes.Item(i).window;
+        if (tabframe->m_tab_rect.Contains(pt))
+            return tabframe->m_tabs;
+    }
+
+    return NULL;
+}
+
+wxWindow* wxAuiNotebook::GetTabFrameFromTabCtrl(wxWindow* tab_ctrl)
+{
+    // if we've just removed the last tab from the source
+    // tab set, the remove the tab control completely
+    wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
+    size_t i, pane_count = all_panes.GetCount();
+    for (i = 0; i < pane_count; ++i)
+    {
+        if (all_panes.Item(i).name == wxT("dummy"))
+            continue;
+
+        wxTabFrame* tabframe = (wxTabFrame*)all_panes.Item(i).window;
+        if (tabframe->m_tabs == tab_ctrl)
+        {
+            return tabframe;
+        }
+    }
+
+    return NULL;
+}
+
+void wxAuiNotebook::RemoveEmptyTabFrames()
+{
     // if we've just removed the last tab from the source
     // tab set, the remove the tab control completely
-    wxPaneInfoArray all_panes = m_mgr.GetAllPanes();
+    wxAuiPaneInfoArray all_panes = m_mgr.GetAllPanes();
     size_t i, pane_count = all_panes.GetCount();
     for (i = 0; i < pane_count; ++i)
     {
@@ -1493,17 +2923,17 @@ void wxAuiMultiNotebook::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;
-            must_update = true;
         }
     }
 
 
     // check to see if there is still a center pane;
     // if there isn't, make a frame the center pane
-    wxPaneInfoArray panes = m_mgr.GetAllPanes();
+    wxAuiPaneInfoArray panes = m_mgr.GetAllPanes();
     pane_count = panes.GetCount();
     wxWindow* first_good = NULL;
     bool center_found = false;
@@ -1520,51 +2950,469 @@ void wxAuiMultiNotebook::RemoveEmptyTabFrames()
     if (!center_found && first_good)
     {
         m_mgr.GetPane(first_good).Centre();
-        must_update = true;
     }
 
-    m_mgr.Update();
+    if (!m_isBeingDeleted)
+        m_mgr.Update();
 }
 
-void wxAuiMultiNotebook::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)
+    if (idx != -1 && idx != m_curPage)
     {
         SetSelection(idx);
     }
 }
 
+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 wxAuiMultiNotebook::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 == wxAuiButtonClose)
+    if (button_id == wxAUI_BUTTON_CLOSE)
     {
-        int selection = tabs->GetActivePage();
+        int selection = evt.GetSelection();
+
+        if (selection == -1)
+        {
+            // if the close button is to the right, use the active
+            // page selection to determine which page to close
+            selection = tabs->GetActivePage();
+        }
 
         if (selection != -1)
         {
             wxWindow* close_wnd = tabs->GetWindowFromIdx(selection);
 
-            if (close_wnd->IsKindOf(CLASSINFO(wxTabMDIChildFrame)))
+            // 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);
+            if (!e.IsAllowed())
+                return;
+
+
+#if wxUSE_MDI
+            if (wxDynamicCast(close_wnd, 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_normalFont = font;
+    GetArtProvider()->SetNormalFont(font);
+}
+
+// Sets the selected tab font
+void wxAuiNotebook::SetSelectedFont(const wxFont& font)
+{
+    m_selectedFont = 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_tabCtrlHeight;
+}
+
+// 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;
+}
+
+// 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::DoThaw()
+{
+    DoSizing();
+
+    wxBookCtrlBase::DoThaw();
+}
+
+void wxAuiNotebook::SetPageSize (const wxSize& WXUNUSED(size))
+{
+    wxFAIL_MSG("Not implemented for wxAuiNotebook");
+}
+
+int wxAuiNotebook::HitTest (const wxPoint& WXUNUSED(pt), long* WXUNUSED(flags)) const
+{
+    wxFAIL_MSG("Not implemented for wxAuiNotebook");
+    return wxNOT_FOUND;
+}
+
+int wxAuiNotebook::GetPageImage(size_t WXUNUSED(n)) const
+{
+    wxFAIL_MSG("Not implemented for wxAuiNotebook");
+    return -1;
+}
+
+bool wxAuiNotebook::SetPageImage(size_t n, int imageId)
+{
+    return SetPageBitmap(n, GetImageList()->GetBitmap(imageId));
+}
+
+int wxAuiNotebook::ChangeSelection(size_t n)
+{
+    return DoModifySelection(n, false);
+}
+
+bool wxAuiNotebook::AddPage(wxWindow *page, const wxString &text, bool select, 
+                            int imageId)
+{
+    if(HasImageList()) 
+    {
+        return AddPage(page, text, select, GetImageList()->GetBitmap(imageId));
+    }
+    else
+    {
+        return AddPage(page, text, select, wxNullBitmap);
+    }
+}
+
+bool wxAuiNotebook::DeleteAllPages()
+{
+    size_t count = GetPageCount();
+    for(size_t i = 0; i < count; i++)
+    {
+        DeletePage(0);
+    }
+    return true;
+}
+
+bool wxAuiNotebook::InsertPage(size_t index, wxWindow *page, 
+                               const wxString &text, bool select, 
+                               int imageId)
+{
+    if(HasImageList())
+    {
+        return InsertPage(index, page, text, select, 
+                          GetImageList()->GetBitmap(imageId));
+    }
+    else
+    {
+        return InsertPage(index, page, text, select, wxNullBitmap);
+    }
+}
+
+int wxAuiNotebook::DoModifySelection(size_t n, bool events)
+{
+    wxWindow* wnd = m_tabs.GetWindowFromIdx(n);
+    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)n == m_curPage)
+    {
+        wxAuiTabCtrl* ctrl;
+        int ctrl_idx;
+        if (FindTab(wnd, &ctrl, &ctrl_idx))
+        {
+            if (FindFocus() != ctrl)
+                ctrl->SetFocus();
+        }
+        return m_curPage;
+    }
+
+    bool vetoed = false;
+
+    wxAuiNotebookEvent evt(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CHANGING, m_windowId);
+
+    if(events)
+    {
+        evt.SetSelection(n);
+        evt.SetOldSelection(m_curPage);
+        evt.SetEventObject(this);
+        GetEventHandler()->ProcessEvent(evt);
+        vetoed = !evt.IsAllowed();
+    }
+
+    if (!vetoed)
+    {
+        int old_curpage = m_curPage;
+        m_curPage = n;
+
+        // program allows the page change
+        if(events)
+        {
+            evt.SetEventType(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CHANGED);
+            (void)GetEventHandler()->ProcessEvent(evt);
+        }
+
+
+        wxAuiTabCtrl* ctrl;
+        int ctrl_idx;
+        if (FindTab(wnd, &ctrl, &ctrl_idx))
+        {
+            m_tabs.SetActivePage(wnd);
+
+            ctrl->SetActivePage(ctrl_idx);
+            DoSizing();
+            ctrl->DoShowHide();
+
+            ctrl->MakeTabVisible(ctrl_idx, ctrl);
+
+            // set fonts
+            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;
+                wxAuiTabCtrl* tabctrl = ((wxTabFrame*)pane.window)->m_tabs;
+                if (tabctrl != ctrl)
+                    tabctrl->SetSelectedFont(m_normalFont);
+                else
+                    tabctrl->SetSelectedFont(m_selectedFont);
+                tabctrl->Refresh();
+            }
+
+            // Set the focus to the page if we're not currently focused on the tab.
+            // This is Firefox-like behaviour.
+            if (wnd->IsShownOnScreen() && FindFocus() != ctrl)
+                wnd->SetFocus();
+
+            return old_curpage;
+        }
+    }
+
+    return m_curPage;
+}
 
 
 #endif // wxUSE_AUI