X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/77671fd2d684b066b96e210c132a017e82914e4d..399b60a0ad232265cd74ce8bf6a53a1f2cc57ff2:/src/common/sizer.cpp

diff --git a/src/common/sizer.cpp b/src/common/sizer.cpp
index 76dca7a5f6..1acfd70e61 100644
--- a/src/common/sizer.cpp
+++ b/src/common/sizer.cpp
@@ -1,9 +1,9 @@
 /////////////////////////////////////////////////////////////////////////////
 // Name:        sizer.cpp
-// Purpose:     provide wxNewSizer class for layounting
+// Purpose:     provide new wxSizer class for layout
 // Author:      Robert Roebling and Robin Dunn
 // Modified by:
-// Created:     
+// Created:
 // RCS-ID:      $Id$
 // Copyright:   (c) Robin Dunn, Dirk Holtwick and Robert Roebling
 // Licence:     wxWindows licence
@@ -22,257 +22,366 @@
 
 #include "wx/sizer.h"
 #include "wx/utils.h"
+#include "wx/statbox.h"
+#include "wx/notebook.h"
 
 //---------------------------------------------------------------------------
-// wxNewSizerItem
+
+IMPLEMENT_ABSTRACT_CLASS(wxSizerItem, wxObject);
+IMPLEMENT_ABSTRACT_CLASS(wxSizer, wxObject);
+IMPLEMENT_ABSTRACT_CLASS(wxBoxSizer, wxSizer);
+IMPLEMENT_ABSTRACT_CLASS(wxStaticBoxSizer, wxBoxSizer);
+#if wxUSE_NOTEBOOK
+IMPLEMENT_ABSTRACT_CLASS(wxNotebookSizer, wxSizer);
+#endif
+
+//---------------------------------------------------------------------------
+// wxSizerItem
 //---------------------------------------------------------------------------
 
-wxNewSizerItem::wxNewSizerItem( int width, int height, int option )
+wxSizerItem::wxSizerItem( int width, int height, int option, int flag, int border, wxObject* userData )
 {
     m_window = (wxWindow *) NULL;
-    m_sizer = (wxNewSizer *) NULL;
+    m_sizer = (wxSizer *) NULL;
+    m_option = option;
+    m_border = border;
+    m_flag = flag;
+    m_userData = userData;
+
+    // minimal size is the initial size
     m_minSize.x = width;
     m_minSize.y = height;
-    m_option = option;
+
+    SetRatio(width, height);
+
+    // size is set directly
+    m_size = m_minSize;
 }
 
-wxNewSizerItem::wxNewSizerItem( wxWindow *window, int option )
+wxSizerItem::wxSizerItem( wxWindow *window, int option, int flag, int border, wxObject* userData )
 {
     m_window = window;
-    m_sizer = (wxNewSizer *) NULL;
-    m_minSize = window->GetSize();
+    m_sizer = (wxSizer *) NULL;
     m_option = option;
+    m_border = border;
+    m_flag = flag;
+    m_userData = userData;
+
+    // minimal size is the initial size
+    m_minSize = window->GetSize();
+
+    // aspect ratio calculated from initial size
+    SetRatio(m_minSize);
+
+    // size is calculated later
+    // m_size = ...
 }
 
-wxNewSizerItem::wxNewSizerItem( wxNewSizer *sizer, int option )
+wxSizerItem::wxSizerItem( wxSizer *sizer, int option, int flag, int border, wxObject* userData )
 {
     m_window = (wxWindow *) NULL;
     m_sizer = sizer;
-    m_minSize = sizer->GetSize();
     m_option = option;
+    m_border = border;
+    m_flag = flag;
+    m_userData = userData;
+
+    // minimal size is calculated later
+    // m_minSize = ...
+    m_ratio = 0;
+
+    // size is calculated later
+    // m_size = ...
 }
 
-wxSize wxNewSizerItem::GetSize()
+wxSizerItem::~wxSizerItem()
 {
-    if (IsNewSizer())
-        return m_sizer->GetSize();
-	
+    if (m_userData)
+        delete m_userData;
+    if (m_sizer)
+        delete m_sizer;
+}
+
+
+wxSize wxSizerItem::GetSize()
+{
+    wxSize ret;
+    if (IsSizer())
+        ret = m_sizer->GetSize();
+    else
     if (IsWindow())
-        return m_window->GetSize();
-	
-    return m_minSize;
+        ret = m_window->GetSize();
+    else ret = m_size;
+
+    if (m_flag & wxWEST)
+        ret.x += m_border;
+    if (m_flag & wxEAST)
+        ret.x += m_border;
+    if (m_flag & wxNORTH)
+        ret.y += m_border;
+    if (m_flag & wxSOUTH)
+        ret.y += m_border;
+
+    return ret;
 }
 
-wxSize wxNewSizerItem::CalcMin()
+wxSize wxSizerItem::CalcMin()
 {
-    if (IsNewSizer())
-        return m_sizer->CalcMin();
-	
+    wxSize ret;
+    if (IsSizer())
+    {
+        ret = m_sizer->CalcMin();
+        // if we have to preserve aspect ratio _AND_ this is
+        // the first-time calculation, consider ret to be initial size
+        if ((m_flag & wxSHAPED) && !m_ratio) SetRatio(ret);
+    }
+
+/*
+    The minimum size of a window should be the
+    initial size, as saved in m_minSize, not the
+    current size.
+
+    else
     if (IsWindow())
-        return m_window->GetSize();
-	
-    return m_minSize;
+        ret = m_window->GetSize();
+*/
+    else ret = m_minSize;
+
+    if (m_flag & wxWEST)
+        ret.x += m_border;
+    if (m_flag & wxEAST)
+        ret.x += m_border;
+    if (m_flag & wxNORTH)
+        ret.y += m_border;
+    if (m_flag & wxSOUTH)
+        ret.y += m_border;
+
+    return ret;
 }
 
-void wxNewSizerItem::SetDimension( wxPoint pos, wxSize size )
+void wxSizerItem::SetDimension( wxPoint pos, wxSize size )
 {
-    if (IsNewSizer())
+    if (m_flag & wxWEST)
+    {
+        pos.x += m_border;
+        size.x -= m_border;
+    }
+    if (m_flag & wxEAST)
+    {
+        size.x -= m_border;
+    }
+    if (m_flag & wxNORTH)
+    {
+        pos.y += m_border;
+        size.y -= m_border;
+    }
+    if (m_flag & wxSOUTH)
+    {
+        size.y -= m_border;
+    }
+    if (m_flag & wxSHAPED) {
+        // adjust aspect ratio
+        int rwidth = (int) (size.y * m_ratio);
+        if (rwidth > size.x) {
+            // fit horizontally
+            int rheight = (int) (size.x / m_ratio);
+            // add vertical space
+            if (m_flag & wxALIGN_CENTER_VERTICAL)
+                pos.y += (size.y - rheight) / 2;
+            else if (m_flag & wxALIGN_BOTTOM)
+                pos.y += (size.y - rheight);
+            // use reduced dimensions
+            size.y =rheight;
+        } else if (rwidth < size.x) {
+            // add horizontal space
+            if (m_flag & wxALIGN_CENTER_HORIZONTAL)
+                pos.x += (size.x - rwidth) / 2;
+            else if (m_flag & wxALIGN_RIGHT)
+                pos.x += (size.x - rwidth);
+            size.x = rwidth;
+        }
+    }
+
+    if (IsSizer())
         m_sizer->SetDimension( pos.x, pos.y, size.x, size.y );
-	
+
     if (IsWindow())
-        m_window->SetSize( pos.x, pos.y, size.x, size.y );
-	
-    m_minSize = size;
+        m_window->SetSize( pos.x, pos.y, size.x, size.y, wxSIZE_ALLOW_MINUS_ONE );
+
+    m_size = size;
 }
 
-bool wxNewSizerItem::IsWindow()
+bool wxSizerItem::IsWindow()
 {
     return (m_window != NULL);
 }
 
-bool wxNewSizerItem::IsNewSizer()
+bool wxSizerItem::IsSizer()
 {
     return (m_sizer != NULL);
 }
 
-bool wxNewSizerItem::IsSpacer()
+bool wxSizerItem::IsSpacer()
 {
     return (m_window == NULL) && (m_sizer == NULL);
 }
 
 //---------------------------------------------------------------------------
-// wxNewSizer
+// wxSizer
 //---------------------------------------------------------------------------
 
-wxNewSizer::wxNewSizer()
+wxSizer::wxSizer()
 {
     m_children.DeleteContents( TRUE );
 }
 
-wxNewSizer::~wxNewSizer()
+wxSizer::~wxSizer()
 {
 }
-   
-void wxNewSizer::Add( wxWindow *window, int option )
+
+void wxSizer::Add( wxWindow *window, int option, int flag, int border, wxObject* userData )
 {
-    m_children.Append( new wxNewSizerItem( window, option ) );
+    m_children.Append( new wxSizerItem( window, option, flag, border, userData ) );
 }
 
-void wxNewSizer::Add( wxNewSizer *sizer, int option )
+void wxSizer::Add( wxSizer *sizer, int option, int flag, int border, wxObject* userData )
 {
-    m_children.Append( new wxNewSizerItem( sizer, option ) );
+    m_children.Append( new wxSizerItem( sizer, option, flag, border, userData ) );
 }
 
-void wxNewSizer::Add( int width, int height, int option )
+void wxSizer::Add( int width, int height, int option, int flag, int border, wxObject* userData )
 {
-    m_children.Append( new wxNewSizerItem( width, height, option ) );
+    m_children.Append( new wxSizerItem( width, height, option, flag, border, userData ) );
 }
 
-void wxNewSizer::Fit( wxWindow *window )
+void wxSizer::Prepend( wxWindow *window, int option, int flag, int border, wxObject* userData )
 {
-    window->SetSize( GetMinWindowSize( window ) );
+    m_children.Insert( new wxSizerItem( window, option, flag, border, userData ) );
 }
 
-void wxNewSizer::Layout()
+void wxSizer::Prepend( wxSizer *sizer, int option, int flag, int border, wxObject* userData )
 {
-    m_size = CalcMin();
-    RecalcSizes();
+    m_children.Insert( new wxSizerItem( sizer, option, flag, border, userData ) );
 }
 
-void wxNewSizer::SetSizeHints( wxWindow *window )
+void wxSizer::Prepend( int width, int height, int option, int flag, int border, wxObject* userData )
 {
-    wxSize size( GetMinWindowSize( window ) );
-    window->SetSizeHints( size.x, size.y );
+    m_children.Insert( new wxSizerItem( width, height, option, flag, border, userData ) );
 }
 
-wxSize wxNewSizer::GetMinWindowSize( wxWindow *window )
+void wxSizer::Insert( int before, wxWindow *window, int option, int flag, int border, wxObject* userData )
 {
-    wxSize minSize( GetMinSize() );
-    wxSize size( window->GetSize() );
-    wxSize client_size( window->GetClientSize() );
-    return wxSize( minSize.x+size.x-client_size.x,
-                   minSize.y+size.y-client_size.y ); 
+    m_children.Insert( before, new wxSizerItem( window, option, flag, border, userData ) );
 }
 
-void wxNewSizer::SetDimension( int x, int y, int width, int height )
+void wxSizer::Insert( int before, wxSizer *sizer, int option, int flag, int border, wxObject* userData )
 {
-    m_position.x = x;
-    m_position.y = y;
-    m_size.x = width;
-    m_size.y = height;
-    RecalcSizes();
+    m_children.Insert( before, new wxSizerItem( sizer, option, flag, border, userData ) );
 }
 
-//---------------------------------------------------------------------------
-// wxBorderNewSizer
-//---------------------------------------------------------------------------
+void wxSizer::Insert( int before, int width, int height, int option, int flag, int border, wxObject* userData )
+{
+    m_children.Insert( before, new wxSizerItem( width, height, option, flag, border, userData ) );
+}
 
-wxBorderNewSizer::wxBorderNewSizer( int sides )
+bool wxSizer::Remove( wxWindow *window )
 {
-    m_sides = sides;
+    wxASSERT( window );
+
+    wxNode *node = m_children.First();
+    while (node)
+    {
+        wxSizerItem *item = (wxSizerItem*)node->Data();
+	    if (item->GetWindow() == window)
+	    {
+            m_children.DeleteNode( node );
+	       return TRUE;
+	    }
+        node = node->Next();
+    }
+
+    return FALSE;
 }
 
-void wxBorderNewSizer::Add( wxWindow *window, int option )
+bool wxSizer::Remove( wxSizer *sizer )
 {
-   wxCHECK_RET( m_children.GetCount() == 0, _T("border sizer can only hold one child") );
-   
-   wxNewSizer::Add( window, option );
+    wxASSERT( sizer );
+
+    wxNode *node = m_children.First();
+    while (node)
+    {
+        wxSizerItem *item = (wxSizerItem*)node->Data();
+	    if (item->GetSizer() == sizer)
+	    {
+            m_children.DeleteNode( node );
+	        return TRUE;
+	    }
+        node = node->Next();
+    }
+
+    return FALSE;
 }
 
-void wxBorderNewSizer::Add( wxNewSizer *sizer, int option )
+bool wxSizer::Remove( int pos )
 {
-   wxCHECK_RET( m_children.GetCount() == 0, _T("border sizer can only hold one child") );
-   
-   wxNewSizer::Add( sizer, option );
+    wxNode *node = m_children.Nth( pos );
+    if (!node) return FALSE;
+
+    m_children.DeleteNode( node );
+
+    return TRUE;
 }
 
-void wxBorderNewSizer::Add( int width, int height, int option )
+void wxSizer::Fit( wxWindow *window )
 {
-   wxCHECK_RET( m_children.GetCount() == 0, _T("border sizer can only hold one child") );
-   
-   wxNewSizer::Add( width, height, option );
+    window->SetSize( GetMinWindowSize( window ) );
 }
 
-void wxBorderNewSizer::RecalcSizes()
+void wxSizer::Layout()
 {
-    wxNode *node = m_children.GetFirst();
-    
-    if (!node)
-    {
-        SetDimension( m_position.x, m_position.y, 2, 2 );
-        return;
-    }
-    
-    wxNewSizerItem *item = (wxNewSizerItem*) node->Data();
-    
-    wxSize size( m_size );
-    wxPoint pt( m_position );
-    int borderSize = item->GetOption();
-    
-    if (m_sides & wxWEST)
-    {
-        size.x -= borderSize;
-        pt.x += borderSize;
-    }
-    if (m_sides & wxEAST)
-    {
-        size.x -= borderSize;
-    }
-    if (m_sides & wxNORTH)
-    {
-        size.y -= borderSize;
-	pt.y += borderSize;
-    }
-    if (m_sides & wxSOUTH)
-    {
-        size.y -= borderSize;
-    }
-    
-    item->SetDimension( pt, size );
+    CalcMin();
+    RecalcSizes();
 }
 
-wxSize wxBorderNewSizer::CalcMin()
+void wxSizer::SetSizeHints( wxWindow *window )
 {
-    wxNode *node = m_children.GetFirst();
-    
-    if (!node)
-        return wxSize(2,2);
-    
-    wxNewSizerItem *item = (wxNewSizerItem*) node->Data();
-    
-    wxSize size( item->CalcMin() );
-    
-    int borderSize = item->GetOption();
-    
-    if (m_sides & wxWEST)
-        size.x += borderSize;
-    if (m_sides & wxEAST)
-        size.x += borderSize;
-    if (m_sides & wxNORTH)
-        size.y += borderSize;
-    if (m_sides & wxSOUTH)
-        size.y += borderSize;
-	
-    return size;
+    wxSize size( GetMinWindowSize( window ) );
+    window->SetSizeHints( size.x, size.y );
+}
+
+wxSize wxSizer::GetMinWindowSize( wxWindow *window )
+{
+    wxSize minSize( GetMinSize() );
+    wxSize size( window->GetSize() );
+    wxSize client_size( window->GetClientSize() );
+    return wxSize( minSize.x+size.x-client_size.x,
+                   minSize.y+size.y-client_size.y );
+}
+
+void wxSizer::SetDimension( int x, int y, int width, int height )
+{
+    m_position.x = x;
+    m_position.y = y;
+    m_size.x = width;
+    m_size.y = height;
+    CalcMin();
+    RecalcSizes();
 }
 
 //---------------------------------------------------------------------------
-// wxBoxNewSizer
+// wxBoxSizer
 //---------------------------------------------------------------------------
 
-wxBoxNewSizer::wxBoxNewSizer( int orient )
+wxBoxSizer::wxBoxSizer( int orient )
 {
     m_orient = orient;
 }
 
-void wxBoxNewSizer::RecalcSizes()
+void wxBoxSizer::RecalcSizes()
 {
     if (m_children.GetCount() == 0)
-    {
-        SetDimension( m_position.x, m_position.y, 2, 2 );
         return;
-    }
-    
+
     int delta = 0;
     int extra = 0;
     if (m_stretchable)
@@ -281,107 +390,252 @@ void wxBoxNewSizer::RecalcSizes()
         {
             delta = (m_size.x - m_fixedWidth) / m_stretchable;
             extra = (m_size.x - m_fixedWidth) % m_stretchable;
-	}
-	else
-	{
+	    }
+	    else
+	    { 
             delta = (m_size.y - m_fixedHeight) / m_stretchable;
             extra = (m_size.y - m_fixedHeight) % m_stretchable;
-	}
+	    }
     }
-    
+
     wxPoint pt( m_position );
-    
+
     wxNode *node = m_children.GetFirst();
     while (node)
     {
-        wxNewSizerItem *item = (wxNewSizerItem*) node->Data();
+        wxSizerItem *item = (wxSizerItem*) node->Data();
 
-	int weight = 1;
-	if (item->GetOption())
-	    weight = item->GetOption();
-	
-	wxSize size( item->CalcMin() );
-	
-	if (m_orient == wxVERTICAL)
-	{
-	    long height = size.y;
+	    int weight = 1;
 	    if (item->GetOption())
+	        weight = item->GetOption();
+
+	    wxSize size( item->CalcMin() );
+
+	    if (m_orient == wxVERTICAL)
 	    {
-	        height = (delta * weight) + extra;
-		extra = 0; // only the first item will get the remainder as extra size
+	        wxCoord height = size.y;
+	        if (item->GetOption())
+	        {
+	            height = (delta * weight) + extra;
+		        extra = 0; // only the first item will get the remainder as extra size
+	        }
+
+	        wxPoint child_pos( pt );
+	        wxSize  child_size( wxSize( size.x, height) );
+
+	        if (item->GetFlag() & (wxEXPAND | wxSHAPED))
+	            child_size.x = m_size.x;
+	        else if (item->GetFlag() & wxALIGN_RIGHT)
+	            child_pos.x += m_size.x - size.x;
+	        else if (item->GetFlag() & (wxCENTER | wxALIGN_CENTER_HORIZONTAL))
+	        // XXX wxCENTER is added for backward compatibility;
+	        //     wxALIGN_CENTER should be used in new code
+	            child_pos.x += (m_size.x - size.x) / 2;
+
+	        item->SetDimension( child_pos, child_size );
+
+	        pt.y += height;
 	    }
-	    item->SetDimension( pt, wxSize( size.x, height) );
-	    pt.y += height;
-	}
-	else
-	{
-	    long width = size.x;
-	    if (item->GetOption())
+	    else
 	    {
-	        width = (delta * weight) + extra;
-		extra = 0; // only the first item will get the remainder as extra size
+	        wxCoord width = size.x;
+	        if (item->GetOption())
+	        {  
+	            width = (delta * weight) + extra;
+		        extra = 0; // only the first item will get the remainder as extra size
+	        }
+
+	        wxPoint child_pos( pt );
+	        wxSize  child_size( wxSize(width, size.y) );
+
+	        if (item->GetFlag() & (wxEXPAND | wxSHAPED))
+	            child_size.y = m_size.y;
+	        else if (item->GetFlag() & wxALIGN_BOTTOM)
+	            child_pos.y += m_size.y - size.y;
+	        else if (item->GetFlag() & (wxCENTER | wxALIGN_CENTER_VERTICAL))
+	        // XXX wxCENTER is added for backward compatibility;
+	        //     wxALIGN_CENTER should be used in new code
+	            child_pos.y += (m_size.y - size.y) / 2;
+
+	        item->SetDimension( child_pos, child_size );
+
+	        pt.x += width;
 	    }
-	    item->SetDimension( pt, wxSize(width, size.y) );
-	    pt.x += width;
-	}
 
-	node = node->Next();
+	    node = node->Next();
     }
 }
 
-wxSize wxBoxNewSizer::CalcMin()
+wxSize wxBoxSizer::CalcMin()
 {
     if (m_children.GetCount() == 0)
-        return wxSize(2,2);
-    
+        return wxSize(10,10);
+
     m_stretchable = 0;
     m_minWidth = 0;
     m_minHeight = 0;
     m_fixedWidth = 0;
     m_fixedHeight = 0;
-    
+
     wxNode *node = m_children.GetFirst();
     while (node)
     {
-        wxNewSizerItem *item = (wxNewSizerItem*) node->Data();
-	
-	int weight = 1;
-	if (item->GetOption())
-	    weight = item->GetOption();
-	
-	wxSize size( item->CalcMin() );
-	
-	if (m_orient == wxHORIZONTAL)
-	{
-	    m_minWidth += (size.x * weight);
-	    m_minHeight = wxMax( m_minHeight, size.y );
-	}
-	else
-	{
-	    m_minHeight += (size.y * weight);
-	    m_minWidth = wxMax( m_minWidth, size.x );
-	}
-	
-	if (item->GetOption())
-	{
-	    m_stretchable += weight;
-	}
-	else
-	{
-	    if (m_orient == wxVERTICAL)
+        wxSizerItem *item = (wxSizerItem*) node->Data();
+
+	    int weight = 1;
+	    if (item->GetOption())
+	        weight = item->GetOption();
+
+	    wxSize size( item->CalcMin() );
+
+	    if (m_orient == wxHORIZONTAL)
 	    {
-		m_fixedHeight += size.y;
-		m_fixedWidth = wxMax( m_fixedWidth, size.x );
+	        m_minWidth += (size.x * weight);
+	        m_minHeight = wxMax( m_minHeight, size.y );
 	    }
 	    else
 	    {
-		m_fixedWidth += size.x;
-		m_fixedHeight = wxMax( m_fixedHeight, size.y );
+	        m_minHeight += (size.y * weight);
+	        m_minWidth = wxMax( m_minWidth, size.x );
 	    }
-	}
-	
-	node = node->Next();
+
+	    if (item->GetOption())
+	    {
+	        m_stretchable += weight;
+	    }
+	    else
+	    {
+	        if (m_orient == wxVERTICAL)
+	        {
+		        m_fixedHeight += size.y;
+		        m_fixedWidth = wxMax( m_fixedWidth, size.x );
+	        }
+	        else
+	        {
+		        m_fixedWidth += size.x;
+		        m_fixedHeight = wxMax( m_fixedHeight, size.y );
+	        }
+	    }
+
+	    node = node->Next();
     }
-	
+
     return wxSize( m_minWidth, m_minHeight );
 }
+
+//---------------------------------------------------------------------------
+// wxStaticBoxSizer
+//---------------------------------------------------------------------------
+
+wxStaticBoxSizer::wxStaticBoxSizer( wxStaticBox *box, int orient )
+  : wxBoxSizer( orient )
+{
+    wxASSERT_MSG( box, wxT("wxStaticBoxSizer needs a static box") );
+
+    m_staticBox = box;
+}
+
+void wxStaticBoxSizer::RecalcSizes()
+{
+    // this will have to be done platform by platform
+    // as there is no way to guess the thickness of
+    // a wxStaticBox border
+    int top_border = 15;
+    if (m_staticBox->GetLabel().IsEmpty()) top_border = 5;
+    int other_border = 5;
+
+    m_staticBox->SetSize( m_position.x, m_position.y, m_size.x, m_size.y );
+
+    wxPoint old_pos( m_position );
+    m_position.x += other_border;
+    m_position.y += top_border;
+    wxSize old_size( m_size );
+    m_size.x -= 2*other_border;
+    m_size.y -= top_border + other_border;
+
+    wxBoxSizer::RecalcSizes();
+
+    m_position = old_pos;
+    m_size = old_size;
+}
+
+wxSize wxStaticBoxSizer::CalcMin()
+{
+    // This will have to be done platform by platform
+    // as there is no way to guess the thickness of
+    // a wxStaticBox border.
+    
+    int top_border = 15;
+    if (m_staticBox->GetLabel().IsEmpty()) top_border = 5;
+    int other_border = 5;
+
+    wxSize ret( wxBoxSizer::CalcMin() );
+    ret.x += 2*other_border;
+    ret.y += other_border + top_border;
+
+    return ret;
+}
+
+//---------------------------------------------------------------------------
+// wxNotebookSizer
+//---------------------------------------------------------------------------
+
+#if wxUSE_NOTEBOOK
+
+wxNotebookSizer::wxNotebookSizer( wxNotebook *nb )
+{
+    wxASSERT_MSG( nb, wxT("wxNotebookSizer needs a notebook") );
+    
+    m_notebook = nb;
+}
+
+void wxNotebookSizer::RecalcSizes()
+{
+    m_notebook->SetSize( m_position.x, m_position.y, m_size.x, m_size.y );
+}
+
+wxSize wxNotebookSizer::CalcMin()
+{
+    // This will have to be done platform by platform
+    // as there is no way to guess the thickness of
+    // the wxNotebook tabs and border.
+    
+    int borderX = 5;
+    int borderY = 5;
+    if ((m_notebook->HasFlag(wxNB_RIGHT)) ||
+        (m_notebook->HasFlag(wxNB_LEFT)))
+    {
+        borderX += 70; // improvements later..
+    }
+    else
+    {
+        borderY += 35; // improvements later..
+    }
+    
+    if (m_notebook->GetChildren().GetCount() == 0)
+        return wxSize(borderX + 10, borderY + 10);
+
+    int maxX = 0;
+    int maxY = 0;
+
+    wxWindowList::Node *node = m_notebook->GetChildren().GetFirst();
+    while (node)
+    {
+        wxWindow *item = node->GetData();
+	    wxSizer *itemsizer = item->GetSizer();
+	
+	    if (itemsizer)
+	    {
+            wxSize subsize( itemsizer->CalcMin() );
+	
+	        if (subsize.x > maxX) maxX = subsize.x;
+	        if (subsize.y > maxY) maxY = subsize.y;
+	    }
+
+	    node = node->GetNext();
+    }
+
+    return wxSize( borderX + maxX, borderY + maxY );
+}
+
+#endif // wxUSE_NOTEBOOK