stricter reply code checking: verify that we get the expected reply, not just that...

[wxWidgets.git] / src / common / sizer.cpp

diff --git a/src/common/sizer.cpp b/src/common/sizer.cpp
index a8abbb34459ddbc956a757914fe3c53fca11ab20..beb46796bc4b0a8cb479376d27a814cb06893709 100644 (file)
--- a/src/common/sizer.cpp
+++ b/src/common/sizer.cpp
@@ -17,21 +17,23 @@
     #pragma hdrstop
 #endif
 
     #pragma hdrstop
 #endif
 

+#include "wx/sizer.h"
+#include "wx/private/flagscheck.h"
+

 #ifndef WX_PRECOMP
     #include "wx/string.h"
     #include "wx/intl.h"
     #include "wx/math.h"
 #ifndef WX_PRECOMP
     #include "wx/string.h"
     #include "wx/intl.h"
     #include "wx/math.h"

+    #include "wx/utils.h"
+    #include "wx/settings.h"
+    #include "wx/button.h"
+    #include "wx/statbox.h"
+    #include "wx/toplevel.h"

 #endif // WX_PRECOMP
 
 #endif // WX_PRECOMP
 

-#include "wx/sizer.h"
-#include "wx/utils.h"
-#include "wx/statbox.h"
-#include "wx/settings.h"
+#include "wx/display.h"

 #include "wx/listimpl.cpp"
 #include "wx/listimpl.cpp"

-#include "wx/intl.h"
-#if WXWIN_COMPATIBILITY_2_4
-    #include "wx/notebook.h"
-#endif
+

 
 //---------------------------------------------------------------------------
 
 
 //---------------------------------------------------------------------------
 


@@ -86,6 +88,31 @@ WX_DEFINE_EXPORTED_LIST( wxSizerItemList )
 // wxSizerItem
 // ----------------------------------------------------------------------------
 
 // wxSizerItem
 // ----------------------------------------------------------------------------
 

+// check for flags conflicts
+static const int SIZER_FLAGS_MASK =
+    wxADD_FLAG(wxCENTRE,
+    wxADD_FLAG(wxHORIZONTAL,
+    wxADD_FLAG(wxVERTICAL,
+    wxADD_FLAG(wxLEFT,
+    wxADD_FLAG(wxRIGHT,
+    wxADD_FLAG(wxUP,
+    wxADD_FLAG(wxDOWN,
+    wxADD_FLAG(wxALIGN_NOT,
+    wxADD_FLAG(wxALIGN_CENTER_HORIZONTAL,
+    wxADD_FLAG(wxALIGN_RIGHT,
+    wxADD_FLAG(wxALIGN_BOTTOM,
+    wxADD_FLAG(wxALIGN_CENTER_VERTICAL,
+    wxADD_FLAG(wxFIXED_MINSIZE,
+    wxADD_FLAG(wxRESERVE_SPACE_EVEN_IF_HIDDEN,
+    wxADD_FLAG(wxSTRETCH_NOT,
+    wxADD_FLAG(wxSHRINK,
+    wxADD_FLAG(wxGROW,
+    wxADD_FLAG(wxSHAPED,
+    0))))))))))))))))));
+
+#define ASSERT_VALID_SIZER_FLAGS(f)  wxASSERT_VALID_FLAGS(f, SIZER_FLAGS_MASK)
+
+

 void wxSizerItem::Init(const wxSizerFlags& flags)
 {
     Init();
 void wxSizerItem::Init(const wxSizerFlags& flags)
 {
     Init();


@@ -93,6 +120,8 @@ void wxSizerItem::Init(const wxSizerFlags& flags)
     m_proportion = flags.GetProportion();
     m_flag = flags.GetFlags();
     m_border = flags.GetBorderInPixels();
     m_proportion = flags.GetProportion();
     m_flag = flags.GetFlags();
     m_border = flags.GetBorderInPixels();

+
+    ASSERT_VALID_SIZER_FLAGS( m_flag );

 }
 
 wxSizerItem::wxSizerItem()
 }
 
 wxSizerItem::wxSizerItem()


@@ -102,12 +131,11 @@ wxSizerItem::wxSizerItem()
     m_proportion = 0;
     m_border = 0;
     m_flag = 0;
     m_proportion = 0;
     m_border = 0;
     m_flag = 0;

-
-    m_kind = Item_None;
+    m_id = wxID_NONE;

 }
 
 // window item
 }
 
 // window item

-void wxSizerItem::SetWindow(wxWindow *window)
+void wxSizerItem::DoSetWindow(wxWindow *window)

 {
     wxCHECK_RET( window, _T("NULL window in wxSizerItem::SetWindow()") );
 
 {
     wxCHECK_RET( window, _T("NULL window in wxSizerItem::SetWindow()") );
 


@@ -129,16 +157,20 @@ wxSizerItem::wxSizerItem(wxWindow *window,
                          int flag,
                          int border,
                          wxObject* userData)
                          int flag,
                          int border,
                          wxObject* userData)

-           : m_proportion(proportion),
+           : m_kind(Item_None),
+             m_proportion(proportion),

              m_border(border),
              m_flag(flag),
              m_border(border),
              m_flag(flag),

+             m_id(wxID_NONE),

              m_userData(userData)
 {
              m_userData(userData)
 {

-    SetWindow(window);
+    ASSERT_VALID_SIZER_FLAGS( m_flag );
+
+    DoSetWindow(window);

 }
 
 // sizer item
 }
 
 // sizer item

-void wxSizerItem::SetSizer(wxSizer *sizer)
+void wxSizerItem::DoSetSizer(wxSizer *sizer)

 {
     m_kind = Item_Sizer;
     m_sizer = sizer;
 {
     m_kind = Item_Sizer;
     m_sizer = sizer;


@@ -149,19 +181,24 @@ wxSizerItem::wxSizerItem(wxSizer *sizer,
                          int flag,
                          int border,
                          wxObject* userData)
                          int flag,
                          int border,
                          wxObject* userData)

-           : m_proportion(proportion),
+           : m_kind(Item_None),
+             m_sizer(NULL),
+             m_proportion(proportion),

              m_border(border),
              m_flag(flag),
              m_border(border),
              m_flag(flag),

+             m_id(wxID_NONE),

              m_ratio(0.0),
              m_userData(userData)
 {
              m_ratio(0.0),
              m_userData(userData)
 {

-    SetSizer(sizer);
+    ASSERT_VALID_SIZER_FLAGS( m_flag );
+
+    DoSetSizer(sizer);

 
     // m_minSize is set later
 }
 
 // spacer item
 
     // m_minSize is set later
 }
 
 // spacer item

-void wxSizerItem::SetSpacer(const wxSize& size)
+void wxSizerItem::DoSetSpacer(const wxSize& size)

 {
     m_kind = Item_Spacer;
     m_spacer = new wxSizerSpacer(size);
 {
     m_kind = Item_Spacer;
     m_spacer = new wxSizerSpacer(size);


@@ -175,19 +212,28 @@ wxSizerItem::wxSizerItem(int width,
                          int flag,
                          int border,
                          wxObject* userData)
                          int flag,
                          int border,
                          wxObject* userData)

-           : m_minSize(width, height), // minimal size is the initial size
+           : m_kind(Item_None),
+             m_sizer(NULL),
+             m_minSize(width, height), // minimal size is the initial size

              m_proportion(proportion),
              m_border(border),
              m_flag(flag),
              m_proportion(proportion),
              m_border(border),
              m_flag(flag),

+             m_id(wxID_NONE),

              m_userData(userData)
 {
              m_userData(userData)
 {

-    SetSpacer(width, height);
+    ASSERT_VALID_SIZER_FLAGS( m_flag );
+
+    DoSetSpacer(wxSize(width, height));

 }
 
 wxSizerItem::~wxSizerItem()
 {
     delete m_userData;
 }
 
 wxSizerItem::~wxSizerItem()
 {
     delete m_userData;

+    Free();
+}

 
 

+void wxSizerItem::Free()
+{

     switch ( m_kind )
     {
         case Item_None:
     switch ( m_kind )
     {
         case Item_None:


@@ -209,6 +255,8 @@ wxSizerItem::~wxSizerItem()
         default:
             wxFAIL_MSG( _T("unexpected wxSizerItem::m_kind") );
     }
         default:
             wxFAIL_MSG( _T("unexpected wxSizerItem::m_kind") );
     }

+
+    m_kind = Item_None;

 }
 
 wxSize wxSizerItem::GetSpacer() const
 }
 
 wxSize wxSizerItem::GetSpacer() const


@@ -258,6 +306,73 @@ wxSize wxSizerItem::GetSize() const
     return ret;
 }
 
     return ret;
 }
 

+bool wxSizerItem::InformFirstDirection(int direction, int size, int availableOtherDir)
+{
+    // The size that come here will be including borders. Child items should get it
+    // without borders.
+    if( size>0 )
+    {
+        if( direction==wxHORIZONTAL )
+        {
+            if (m_flag & wxWEST)
+                size -= m_border;
+            if (m_flag & wxEAST)
+                size -= m_border;
+        }
+        else if( direction==wxVERTICAL )
+        {
+            if (m_flag & wxNORTH)
+                size -= m_border;
+            if (m_flag & wxSOUTH)
+                size -= m_border;
+        }
+    }
+
+    bool didUse = false;
+    // Pass the information along to the held object
+    if (IsSizer())
+    {
+        didUse = GetSizer()->InformFirstDirection(direction,size,availableOtherDir);
+        if (didUse)
+            m_minSize = GetSizer()->CalcMin();
+    }
+    else if (IsWindow())
+    {
+        didUse =  GetWindow()->InformFirstDirection(direction,size,availableOtherDir);
+        if (didUse)
+            m_minSize = m_window->GetEffectiveMinSize();
+
+        // This information is useful for items with wxSHAPED flag, since
+        // we can request an optimal min size for such an item. Even if
+        // we overwrite the m_minSize member here, we can read it back from
+        // the owned window (happens automatically).
+        if( (m_flag & wxSHAPED) && (m_flag & wxEXPAND) && direction )
+        {
+            if( !wxIsNullDouble(m_ratio) )
+            {
+                wxCHECK_MSG( (m_proportion==0), false, _T("Shaped item, non-zero proportion in wxSizerItem::InformFirstDirection()") );
+                if( direction==wxHORIZONTAL && !wxIsNullDouble(m_ratio) )
+                {
+                    // Clip size so that we don't take too much
+                    if( availableOtherDir>=0 && int(size/m_ratio)-m_minSize.y>availableOtherDir )
+                        size = int((availableOtherDir+m_minSize.y)*m_ratio);
+                    m_minSize = wxSize(size,int(size/m_ratio));
+                }
+                else if( direction==wxVERTICAL )
+                {
+                    // Clip size so that we don't take too much
+                    if( availableOtherDir>=0 && int(size*m_ratio)-m_minSize.x>availableOtherDir )
+                        size = int((availableOtherDir+m_minSize.x)/m_ratio);
+                    m_minSize = wxSize(int(size*m_ratio),size);
+                }
+                didUse = true;
+            }
+        }
+    }
+
+    return didUse;
+}
+

 wxSize wxSizerItem::CalcMin()
 {
     if (IsSizer())
 wxSize wxSizerItem::CalcMin()
 {
     if (IsSizer())


@@ -273,7 +388,7 @@ wxSize wxSizerItem::CalcMin()
     {
         // Since the size of the window may change during runtime, we
         // should use the current minimal/best size.
     {
         // Since the size of the window may change during runtime, we
         // should use the current minimal/best size.

-        m_minSize = m_window->GetBestFittingSize();
+        m_minSize = m_window->GetEffectiveMinSize();

     }
 
     return GetMinSizeWithBorder();
     }
 
     return GetMinSizeWithBorder();


@@ -351,6 +466,11 @@ void wxSizerItem::SetDimension( const wxPoint& pos_, const wxSize& size_ )
         size.y -= m_border;
     }
 
         size.y -= m_border;
     }
 

+    if (size.x < 0)
+        size.x = 0;
+    if (size.y < 0)
+        size.y = 0;
+

     m_rect = wxRect(pos, size);
 
     switch ( m_kind )
     m_rect = wxRect(pos, size);
 
     switch ( m_kind )


@@ -365,7 +485,7 @@ void wxSizerItem::SetDimension( const wxPoint& pos_, const wxSize& size_ )
             break;
 
         case Item_Sizer:
             break;
 
         case Item_Sizer:

-            m_sizer->SetDimension(pos.x, pos.y, size.x, size.y);
+            m_sizer->SetDimension(pos, size);

             break;
 
         case Item_Spacer:
             break;
 
         case Item_Spacer:


@@ -436,6 +556,9 @@ void wxSizerItem::Show( bool show )
 
 bool wxSizerItem::IsShown() const
 {
 
 bool wxSizerItem::IsShown() const
 {

+    if ( m_flag & wxRESERVE_SPACE_EVEN_IF_HIDDEN )
+        return true;
+

     switch ( m_kind )
     {
         case Item_None:
     switch ( m_kind )
     {
         case Item_None:


@@ -451,6 +574,11 @@ bool wxSizerItem::IsShown() const
             // shown, so are we (this arbitrariness is the reason for
             // deprecating this function)
             {
             // shown, so are we (this arbitrariness is the reason for
             // deprecating this function)
             {

+                // Some apps (such as dialog editors) depend on an empty sizer still
+                // being laid out correctly and reporting the correct size and position.
+                if (m_sizer->GetChildren().GetCount() == 0)
+                    return true;
+

                 for ( wxSizerItemList::compatibility_iterator
                         node = m_sizer->GetChildren().GetFirst();
                       node;
                 for ( wxSizerItemList::compatibility_iterator
                         node = m_sizer->GetChildren().GetFirst();
                       node;


@@ -502,9 +630,35 @@ wxSizerItem* wxSizer::Insert( size_t index, wxSizerItem *item )
     if ( item->GetWindow() )
         item->GetWindow()->SetContainingSizer( this );
 
     if ( item->GetWindow() )
         item->GetWindow()->SetContainingSizer( this );
 

+    if ( item->GetSizer() )
+        item->GetSizer()->SetContainingWindow( m_containingWindow );
+

     return item;
 }
 
     return item;
 }
 

+void wxSizer::SetContainingWindow(wxWindow *win)
+{
+    if ( win == m_containingWindow )
+        return;
+
+    m_containingWindow = win;
+
+    // set the same window for all nested sizers as well, they also are in the
+    // same window
+    for ( wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
+          node;
+          node = node->GetNext() )
+    {
+        wxSizerItem *const item = node->GetData();
+        wxSizer *const sizer = item->GetSizer();
+
+        if ( sizer )
+        {
+            sizer->SetContainingWindow(win);
+        }
+    }
+}
+

 #if WXWIN_COMPATIBILITY_2_6
 bool wxSizer::Remove( wxWindow *window )
 {
 #if WXWIN_COMPATIBILITY_2_6
 bool wxSizer::Remove( wxWindow *window )
 {


@@ -544,13 +698,9 @@ bool wxSizer::Remove( int index )
 
     wxCHECK_MSG( node, false, _T("Failed to find child node") );
 
 
     wxCHECK_MSG( node, false, _T("Failed to find child node") );
 

-    wxSizerItem *item = node->GetData();
-
-    if ( item->IsWindow() )
-        item->GetWindow()->SetContainingSizer( NULL );
-
-    delete item;
+    delete node->GetData();

     m_children.Erase( node );
     m_children.Erase( node );

+

     return true;
 }
 
     return true;
 }
 


@@ -587,7 +737,6 @@ bool wxSizer::Detach( wxWindow *window )
 
         if (item->GetWindow() == window)
         {
 
         if (item->GetWindow() == window)
         {

-            item->GetWindow()->SetContainingSizer( NULL );

             delete item;
             m_children.Erase( node );
             return true;
             delete item;
             m_children.Erase( node );
             return true;


@@ -612,14 +761,83 @@ bool wxSizer::Detach( int index )
 
     if ( item->IsSizer() )
         item->DetachSizer();
 
     if ( item->IsSizer() )
         item->DetachSizer();

-    else if ( item->IsWindow() )
-        item->GetWindow()->SetContainingSizer( NULL );

 
     delete item;
     m_children.Erase( node );
     return true;
 }
 
 
     delete item;
     m_children.Erase( node );
     return true;
 }
 

+bool wxSizer::Replace( wxWindow *oldwin, wxWindow *newwin, bool recursive )
+{
+    wxASSERT_MSG( oldwin, _T("Replacing NULL window") );
+    wxASSERT_MSG( newwin, _T("Replacing with NULL window") );
+
+    wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
+    while (node)
+    {
+        wxSizerItem     *item = node->GetData();
+
+        if (item->GetWindow() == oldwin)
+        {
+            item->AssignWindow(newwin);
+            newwin->SetContainingSizer( this );
+            return true;
+        }
+        else if (recursive && item->IsSizer())
+        {
+            if (item->GetSizer()->Replace( oldwin, newwin, true ))
+                return true;
+        }
+
+        node = node->GetNext();
+    }
+
+    return false;
+}
+
+bool wxSizer::Replace( wxSizer *oldsz, wxSizer *newsz, bool recursive )
+{
+    wxASSERT_MSG( oldsz, _T("Replacing NULL sizer") );
+    wxASSERT_MSG( newsz, _T("Replacing with NULL sizer") );
+
+    wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
+    while (node)
+    {
+        wxSizerItem     *item = node->GetData();
+
+        if (item->GetSizer() == oldsz)
+        {
+            item->AssignSizer(newsz);
+            return true;
+        }
+        else if (recursive && item->IsSizer())
+        {
+            if (item->GetSizer()->Replace( oldsz, newsz, true ))
+                return true;
+        }
+
+        node = node->GetNext();
+    }
+
+    return false;
+}
+
+bool wxSizer::Replace( size_t old, wxSizerItem *newitem )
+{
+    wxCHECK_MSG( old < m_children.GetCount(), false, _T("Replace index is out of range") );
+    wxASSERT_MSG( newitem, _T("Replacing with NULL item") );
+
+    wxSizerItemList::compatibility_iterator node = m_children.Item( old );
+
+    wxCHECK_MSG( node, false, _T("Failed to find child node") );
+
+    wxSizerItem *item = node->GetData();
+    node->SetData(newitem);
+    delete item;
+
+    return true;
+}
+

 void wxSizer::Clear( bool delete_windows )
 {
     // First clear the ContainingSizer pointers
 void wxSizer::Clear( bool delete_windows )
 {
     // First clear the ContainingSizer pointers


@@ -653,16 +871,67 @@ void wxSizer::DeleteWindows()
     }
 }
 
     }
 }
 

-wxSize wxSizer::Fit( wxWindow *window )
+wxSize wxSizer::ComputeFittingClientSize(wxWindow *window)

 {
 {

-    wxSize size(window->IsTopLevel() ? FitSize(window)
-                                     : GetMinWindowSize(window));
+    wxCHECK_MSG( window, wxDefaultSize, "window can't be NULL" );
+
+    // take the min size by default and limit it by max size
+    wxSize size = GetMinClientSize(window);
+    wxSize sizeMax;
+
+    wxTopLevelWindow *tlw = wxDynamicCast(window, wxTopLevelWindow);
+    if ( tlw )
+    {
+        // hack for small screen devices where TLWs are always full screen
+        if ( tlw->IsAlwaysMaximized() )
+        {
+            return tlw->GetClientSize();
+        }

 
 

-    window->SetSize( size );
+        // limit the window to the size of the display it is on
+        int disp = wxDisplay::GetFromWindow(window);
+        if ( disp == wxNOT_FOUND )
+        {
+            // or, if we don't know which one it is, of the main one
+            disp = 0;
+        }
+
+        sizeMax = wxDisplay(disp).GetClientArea().GetSize();
+
+        // space for decorations and toolbars etc.
+        sizeMax = tlw->WindowToClientSize(sizeMax);
+    }
+    else
+    {
+        sizeMax = GetMaxClientSize(window);
+    }
+
+    if ( sizeMax.x != wxDefaultCoord && size.x > sizeMax.x )
+            size.x = sizeMax.x;
+    if ( sizeMax.y != wxDefaultCoord && size.y > sizeMax.y )
+            size.y = sizeMax.y;

 
     return size;
 }
 
 
     return size;
 }
 

+wxSize wxSizer::ComputeFittingWindowSize(wxWindow *window)
+{
+    wxCHECK_MSG( window, wxDefaultSize, "window can't be NULL" );
+
+    return window->ClientToWindowSize(ComputeFittingClientSize(window));
+}
+
+wxSize wxSizer::Fit( wxWindow *window )
+{
+    wxCHECK_MSG( window, wxDefaultSize, "window can't be NULL" );
+
+    // set client size
+    window->SetClientSize(ComputeFittingClientSize(window));
+
+    // return entire size
+    return window->GetSize();
+}
+

 void wxSizer::FitInside( wxWindow *window )
 {
     wxSize size;
 void wxSizer::FitInside( wxWindow *window )
 {
     wxSize size;


@@ -689,76 +958,31 @@ void wxSizer::SetSizeHints( wxWindow *window )
     // Preserve the window's max size hints, but set the
     // lower bound according to the sizer calculations.
 
     // Preserve the window's max size hints, but set the
     // lower bound according to the sizer calculations.
 

-    wxSize size = Fit( window );
+    // This is equivalent to calling Fit(), except that we need to set
+    // the size hints _in between_ the two steps performed by Fit
+    // (1. ComputeFittingClientSize, 2. SetClientSize). That's because
+    // otherwise SetClientSize() could have no effect if there already are
+    // size hints in effect that forbid requested client size.

 
 

-    window->SetSizeHints( size.x,
-                          size.y,
-                          window->GetMaxWidth(),
-                          window->GetMaxHeight() );
+    const wxSize clientSize = ComputeFittingClientSize(window);
+
+    window->SetMinClientSize(clientSize);
+    window->SetClientSize(clientSize);

 }
 
 }
 

+#if WXWIN_COMPATIBILITY_2_8

 void wxSizer::SetVirtualSizeHints( wxWindow *window )
 {
 void wxSizer::SetVirtualSizeHints( wxWindow *window )
 {

-    // Preserve the window's max size hints, but set the
-    // lower bound according to the sizer calculations.
-

     FitInside( window );
     FitInside( window );

-    wxSize size( window->GetVirtualSize() );
-    window->SetVirtualSizeHints( size.x,
-                                 size.y,
-                                 window->GetMaxWidth(),
-                                 window->GetMaxHeight() );
-}
-
-wxSize wxSizer::GetMaxWindowSize( wxWindow *window ) const
-{
-    return window->GetMaxSize();
-}
-
-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 );

 }
 }

+#endif // WXWIN_COMPATIBILITY_2_8

 
 // TODO on mac we need a function that determines how much free space this
 // min size contains, in order to make sure that we have 20 pixels of free
 // space around the controls
 
 // TODO on mac we need a function that determines how much free space this
 // min size contains, in order to make sure that we have 20 pixels of free
 // space around the controls

-
-// Return a window size that will fit within the screens dimensions
-wxSize wxSizer::FitSize( wxWindow *window )
-{
-    wxSize size     = GetMinWindowSize( window );
-    wxSize sizeMax  = GetMaxWindowSize( window );
-
-    // Limit the size if sizeMax != wxDefaultSize
-
-    if ( size.x > sizeMax.x && sizeMax.x != wxDefaultCoord )
-        size.x = sizeMax.x;
-    if ( size.y > sizeMax.y && sizeMax.y != wxDefaultCoord )
-        size.y = sizeMax.y;
-
-    return size;
-}
-

 wxSize wxSizer::GetMaxClientSize( wxWindow *window ) const
 {
 wxSize wxSizer::GetMaxClientSize( wxWindow *window ) const
 {

-    wxSize maxSize( window->GetMaxSize() );
-
-    if ( maxSize != wxDefaultSize )
-    {
-        wxSize size( window->GetSize() );
-        wxSize client_size( window->GetClientSize() );
-
-        return wxSize( maxSize.x + client_size.x - size.x,
-                       maxSize.y + client_size.y - size.y );
-    }
-    else
-        return wxDefaultSize;
+    return window->WindowToClientSize(window->GetMaxSize());

 }
 
 wxSize wxSizer::GetMinClientSize( wxWindow *WXUNUSED(window) )
 }
 
 wxSize wxSizer::GetMinClientSize( wxWindow *WXUNUSED(window) )


@@ -781,15 +1005,6 @@ wxSize wxSizer::VirtualFitSize( wxWindow *window )
     return size;
 }
 
     return size;
 }
 

-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;
-    Layout();
-}
-

 wxSize wxSizer::GetMinSize()
 {
     wxSize ret( CalcMin() );
 wxSize wxSizer::GetMinSize()
 {
     wxSize ret( CalcMin() );


@@ -963,6 +1178,33 @@ wxSizerItem* wxSizer::GetItem( size_t index )
     return m_children.Item( index )->GetData();
 }
 
     return m_children.Item( index )->GetData();
 }
 

+wxSizerItem* wxSizer::GetItemById( int id, bool recursive )
+{
+    // This gets a sizer item by the id of the sizer item
+    // and NOT the id of a window if the item is a window.
+
+    wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
+    while (node)
+    {
+        wxSizerItem     *item = node->GetData();
+
+        if (item->GetId() == id)
+        {
+            return item;
+        }
+        else if (recursive && item->IsSizer())
+        {
+            wxSizerItem *subitem = item->GetSizer()->GetItemById( id, true );
+            if (subitem)
+                return subitem;
+        }
+
+        node = node->GetNext();
+    }
+
+    return NULL;
+}
+

 bool wxSizer::Show( wxWindow *window, bool show, bool recursive )
 {
     wxSizerItem *item = GetItem( window, recursive );
 bool wxSizer::Show( wxWindow *window, bool show, bool recursive )
 {
     wxSizerItem *item = GetItem( window, recursive );


@@ -1143,7 +1385,7 @@ wxSize wxGridSizer::CalcMin()
 {
     int nrows, ncols;
     if ( CalcRowsCols(nrows, ncols) == 0 )
 {
     int nrows, ncols;
     if ( CalcRowsCols(nrows, ncols) == 0 )

-        return wxSize(10, 10);
+        return wxSize();

 
     // Find the max width and height for any component
     int w = 0;
 
     // Find the max width and height for any component
     int w = 0;


@@ -1161,6 +1403,35 @@ wxSize wxGridSizer::CalcMin()
         node = node->GetNext();
     }
 
         node = node->GetNext();
     }
 

+    // In case we have a nested sizer with a two step algo , give it
+    // a chance to adjust to that (we give it width component)
+    node = m_children.GetFirst();
+    bool didChangeMinSize = false;
+    while (node)
+    {
+        wxSizerItem     *item = node->GetData();
+        didChangeMinSize |= item->InformFirstDirection( wxHORIZONTAL, w, -1 );
+
+        node = node->GetNext();
+    }
+
+    // And redo iteration in case min size changed
+    if( didChangeMinSize )
+    {
+        node = m_children.GetFirst();
+        w = h = 0;
+        while (node)
+        {
+            wxSizerItem     *item = node->GetData();
+            wxSize           sz( item->GetMinSizeWithBorder() );
+
+            w = wxMax( w, sz.x );
+            h = wxMax( h, sz.y );
+
+            node = node->GetNext();
+        }
+    }
+

     return wxSize( ncols * w + (ncols-1) * m_hgap,
                    nrows * h + (nrows-1) * m_vgap );
 }
     return wxSize( ncols * w + (ncols-1) * m_hgap,
                    nrows * h + (nrows-1) * m_vgap );
 }


@@ -1223,105 +1494,158 @@ wxFlexGridSizer::~wxFlexGridSizer()
 
 void wxFlexGridSizer::RecalcSizes()
 {
 
 void wxFlexGridSizer::RecalcSizes()
 {

-    int nitems, nrows, ncols;
-    if ( (nitems = CalcRowsCols(nrows, ncols)) == 0 )
+    int nrows, ncols;
+    if ( !CalcRowsCols(nrows, ncols) )

         return;
 
         return;
 

-    wxPoint pt( GetPosition() );
-    wxSize sz( GetSize() );
+    const wxPoint pt(GetPosition());
+    const wxSize sz(GetSize());

 
 

-    AdjustForGrowables(sz, m_calculatedMinSize, nrows, ncols);
+    AdjustForGrowables(sz);

 
 

-    sz = wxSize( pt.x + sz.x, pt.y + sz.y );
+    wxSizerItemList::const_iterator i = m_children.begin();
+    const wxSizerItemList::const_iterator end = m_children.end();

 
 

-    int x = pt.x;
-    for (int c = 0; c < ncols; c++)
+    int y = 0;
+    for ( int r = 0; r < nrows; r++ )

     {
     {

-        int y = pt.y;
-        for (int r = 0; r < nrows; r++)
+        if ( m_rowHeights[r] == -1 )

         {
         {

-            int i = r * ncols + c;
-            if (i < nitems)
+            // this row is entirely hidden, skip it
+            for ( int c = 0; c < ncols; c++ )

             {
             {

-                wxSizerItemList::compatibility_iterator node = m_children.Item( i );
+                if ( i == end )
+                    return;

 
 

-                wxASSERT_MSG( node, _T("Failed to find node") );
+                ++i;
+            }

 
 

-                int w = wxMax( 0, wxMin( m_colWidths[c], sz.x - x ) );
-                int h = wxMax( 0, wxMin( m_rowHeights[r], sz.y - y ) );
+            continue;
+        }

 
 

-                SetItemBounds( node->GetData(), x, y, w, h);
-            }
-            if (m_rowHeights[r] != -1)
-                y = y + m_rowHeights[r] + m_vgap;
+        const int hrow = m_rowHeights[r];
+        int h = sz.y - y; // max remaining height, don't overflow it
+        if ( hrow < h )
+            h = hrow;
+
+        int x = 0;
+        for ( int c = 0; c < ncols && i != end; c++, ++i )
+        {
+            const int wcol = m_colWidths[c];
+
+            if ( wcol == -1 )
+                continue;
+
+            int w = sz.x - x; // max possible value, ensure we don't overflow
+            if ( wcol < w )
+                w = wcol;
+
+            SetItemBounds(*i, pt.x + x, pt.y + y, w, h);
+
+            x += wcol + m_hgap;

         }
         }

-        if (m_colWidths[c] != -1)
-            x = x + m_colWidths[c] + m_hgap;
+
+        if ( i == end )
+            return;
+
+        y += hrow + m_vgap;

     }
 }
 
     }
 }
 

+// helper function used in CalcMin() to sum up the sizes of non-hidden items
+static int SumArraySizes(const wxArrayInt& sizes, int gap)
+{
+    // Sum total minimum size, including gaps between rows/columns.
+    // -1 is used as a magic number meaning empty row/column.
+    int total = 0;
+
+    const size_t count = sizes.size();
+    for ( size_t n = 0; n < count; n++ )
+    {
+        if ( sizes[n] != -1 )
+        {
+            if ( total )
+                total += gap; // separate from the previous column
+
+            total += sizes[n];
+        }
+    }
+
+    return total;
+}
+
+void wxFlexGridSizer::FindWidthsAndHeights(int nrows, int ncols)
+{
+    // We have to recalculate the sizes in case the item minimum size has
+    // changed since the previous layout, or the item has been hidden using
+    // wxSizer::Show(). If all the items in a row/column are hidden, the final
+    // dimension of the row/column will be -1, indicating that the column
+    // itself is hidden.
+    m_rowHeights.assign(nrows, -1);
+    m_colWidths.assign(ncols, -1);
+
+    // n is the index of the item in left-to-right top-to-bottom order
+    size_t n = 0;
+    for ( wxSizerItemList::iterator i = m_children.begin();
+          i != m_children.end();
+          ++i, ++n )
+    {
+        wxSizerItem * const item = *i;
+        if ( item->IsShown() )
+        {
+            // NOTE: Not doing the calculation here, this is just
+            // for finding max values.
+            const wxSize sz(item->GetMinSizeWithBorder());
+
+            const int row = n / ncols;
+            const int col = n % ncols;
+
+            if ( sz.y > m_rowHeights[row] )
+                m_rowHeights[row] = sz.y;
+            if ( sz.x > m_colWidths[col] )
+                m_colWidths[col] = sz.x;
+        }
+    }
+
+    AdjustForFlexDirection();
+
+    m_calculatedMinSize = wxSize(SumArraySizes(m_colWidths, m_hgap),
+                                 SumArraySizes(m_rowHeights, m_vgap));
+}
+

 wxSize wxFlexGridSizer::CalcMin()
 {
 wxSize wxFlexGridSizer::CalcMin()
 {

-    int     nrows,
-            ncols;
-    size_t  i, s;
+    int nrows,
+        ncols;

 
     // Number of rows/columns can change as items are added or removed.
     if ( !CalcRowsCols(nrows, ncols) )
 
     // Number of rows/columns can change as items are added or removed.
     if ( !CalcRowsCols(nrows, ncols) )

-        return wxSize(10, 10);
+        return wxSize();

 
 

-    m_rowHeights.SetCount(nrows);
-    m_colWidths.SetCount(ncols);

 
 

-    // We have to recalcuate the sizes in case the item minimum size has
+    // We have to recalculate the sizes in case the item minimum size has

     // changed since the previous layout, or the item has been hidden using
     // wxSizer::Show(). If all the items in a row/column are hidden, the final
     // dimension of the row/column will be -1, indicating that the column
     // itself is hidden.
     // changed since the previous layout, or the item has been hidden using
     // wxSizer::Show(). If all the items in a row/column are hidden, the final
     // dimension of the row/column will be -1, indicating that the column
     // itself is hidden.

-    for( s = m_rowHeights.GetCount(), i = 0; i < s; ++i )
-        m_rowHeights[ i ] = -1;
-    for( s = m_colWidths.GetCount(), i = 0; i < s; ++i )
-        m_colWidths[ i ] = -1;
-
-    wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
+    m_rowHeights.assign(nrows, -1);
+    m_colWidths.assign(ncols, -1);

 
 

-    i = 0;
-    while (node)
+    for ( wxSizerItemList::iterator i = m_children.begin();
+          i != m_children.end();
+          ++i)

     {
     {

-        wxSizerItem    *item = node->GetData();
+        wxSizerItem * const item = *i;

         if ( item->IsShown() )
         {
         if ( item->IsShown() )
         {

-            wxSize sz( item->CalcMin() );
-            int row = i / ncols;
-            int col = i % ncols;
-
-            m_rowHeights[ row ] = wxMax( wxMax( 0, sz.y ), m_rowHeights[ row ] );
-            m_colWidths[ col ] = wxMax( wxMax( 0, sz.x ), m_colWidths[ col ] );
+            item->CalcMin();

         }
         }

-
-        node = node->GetNext();
-        i++;

     }
 
     }
 

-    AdjustForFlexDirection();
+    // The stage of looking for max values in each row/column has been
+    // made a separate function, since it's reused in AdjustForGrowables.
+    FindWidthsAndHeights(nrows,ncols);

 
 

-    // Sum total minimum size, including gaps between rows/columns.
-    // -1 is used as a magic number meaning empty column.
-    int width = 0;
-    for (int col = 0; col < ncols; col++)
-        if ( m_colWidths[ col ] != -1 )
-            width += m_colWidths[ col ] + m_hgap;
-    if (width > 0)
-        width -= m_hgap;
-
-    int height = 0;
-    for (int row = 0; row < nrows; row++)
-        if ( m_rowHeights[ row ] != -1 )
-            height += m_rowHeights[ row ] + m_vgap;
-    if (height > 0)
-        height -= m_vgap;
-
-    m_calculatedMinSize = wxSize( width, height );

     return m_calculatedMinSize;
 }
 
     return m_calculatedMinSize;
 }
 


@@ -1351,334 +1675,350 @@ void wxFlexGridSizer::AdjustForFlexDirection()
         // and now fill it with the largest value
         for ( n = 0; n < count; ++n )
         {
         // and now fill it with the largest value
         for ( n = 0; n < count; ++n )
         {

-            array[n] = largest;
+            // don't touch hidden rows
+            if ( array[n] != -1 )
+                array[n] = largest;

         }
     }
 }
 
         }
     }
 }
 

+// helper of AdjustForGrowables() which is called for rows/columns separately
+//
+// parameters:
+//      delta: the extra space, we do nothing unless it's positive
+//      growable: indices or growable rows/cols in sizes array
+//      sizes: the height/widths of rows/cols to adjust
+//      proportions: proportions of the growable rows/cols or NULL if they all
+//                   should be assumed to have proportion of 1
+static void
+DoAdjustForGrowables(int delta,
+                     const wxArrayInt& growable,
+                     wxArrayInt& sizes,
+                     const wxArrayInt *proportions)
+{
+    if ( delta <= 0 )
+        return;

 
 

-void wxFlexGridSizer::AdjustForGrowables(const wxSize& sz, const wxSize& minsz,
-                                         int nrows, int ncols)
-{
-    // what to do with the rows? by default, resize them proportionally
-    if ( sz.y > minsz.y && ( (m_flexDirection & wxVERTICAL) || (m_growMode == wxFLEX_GROWMODE_SPECIFIED) ) )
+    // total sum of proportions of all non-hidden rows
+    int sum_proportions = 0;
+
+    // number of currently shown growable rows
+    int num = 0;
+
+    const int max_idx = sizes.size();
+
+    const size_t count = growable.size();
+    size_t idx;
+    for ( idx = 0; idx < count; idx++ )

     {
     {

-        int sum_proportions = 0;
-        int growable_space = 0;
-        int num = 0;
-        size_t idx;
-        for (idx = 0; idx < m_growableRows.GetCount(); idx++)
-        {
-            // Since the number of rows/columns can change as items are
-            // inserted/deleted, we need to verify at runtime that the
-            // requested growable rows/columns are still valid.
-            if (m_growableRows[idx] >= nrows)
-                continue;
+        // Since the number of rows/columns can change as items are
+        // inserted/deleted, we need to verify at runtime that the
+        // requested growable rows/columns are still valid.
+        if ( growable[idx] >= max_idx )
+            continue;
+
+        // If all items in a row/column are hidden, that row/column will
+        // have a dimension of -1.  This causes the row/column to be
+        // hidden completely.
+        if ( sizes[growable[idx]] == -1 )
+            continue;
+
+        if ( proportions )
+            sum_proportions += (*proportions)[idx];
+
+        num++;
+    }

 
 

-            // If all items in a row/column are hidden, that row/column will
-            // have a dimension of -1.  This causes the row/column to be
-            // hidden completely.
-            if (m_rowHeights[ m_growableRows[idx] ] == -1)
-                continue;
-            sum_proportions += m_growableRowsProportions[idx];
-            growable_space += m_rowHeights[ m_growableRows[idx] ];
-            num++;
-        }
+    if ( !num )
+        return;
+
+    // the remaining extra free space, adjusted during each iteration
+    for ( idx = 0; idx < count; idx++ )
+    {
+        if ( growable[idx] >= max_idx )
+            continue;
+
+        if ( sizes[ growable[idx] ] == -1 )
+            continue;

 
 

-        if (num > 0)
+        int cur_delta;
+        if ( sum_proportions == 0 )

         {
         {

-            for (idx = 0; idx < m_growableRows.GetCount(); idx++)
-            {
-                if (m_growableRows[idx] >= nrows )
-                    continue;
-                if (m_rowHeights[ m_growableRows[idx] ] == -1)
-                    m_rowHeights[ m_growableRows[idx] ] = 0;
-                else
-                {
-                    int delta = (sz.y - minsz.y);
-                    if (sum_proportions == 0)
-                        delta = (delta/num) + m_rowHeights[ m_growableRows[idx] ];
-                    else
-                        delta = ((delta+growable_space)*m_growableRowsProportions[idx]) / sum_proportions;
-                    m_rowHeights[ m_growableRows[idx] ] = delta;
-                }
-            }
+            // no growable rows -- divide extra space evenly among all
+            cur_delta = delta/num;
+            num--;

         }
         }

+        else // allocate extra space proportionally
+        {
+            const int cur_prop = (*proportions)[idx];
+            cur_delta = (delta*cur_prop)/sum_proportions;
+            sum_proportions -= cur_prop;
+        }
+
+        sizes[growable[idx]] += cur_delta;
+        delta -= cur_delta;

     }
     }

-    else if ( (m_growMode == wxFLEX_GROWMODE_ALL) && (sz.y > minsz.y) )
-    {
-        // rounding problem?
-        for ( int row = 0; row < nrows; ++row )
-            m_rowHeights[ row ] = sz.y / nrows;
-    }
+}

 
 

-    // the same logic as above but for the columns
-    if ( sz.x > minsz.x && ( (m_flexDirection & wxHORIZONTAL) || (m_growMode == wxFLEX_GROWMODE_SPECIFIED) ) )
+void wxFlexGridSizer::AdjustForGrowables(const wxSize& sz)
+{
+    if ( (m_flexDirection & wxHORIZONTAL) || (m_growMode != wxFLEX_GROWMODE_NONE) )

     {
     {

-        int sum_proportions = 0;
-        int growable_space = 0;
-        int num = 0;
-        size_t idx;
-        for (idx = 0; idx < m_growableCols.GetCount(); idx++)
+        DoAdjustForGrowables
+        (
+            sz.x - m_calculatedMinSize.x,
+            m_growableCols,
+            m_colWidths,
+            m_growMode == wxFLEX_GROWMODE_SPECIFIED ? &m_growableColsProportions
+                                                    : NULL
+        );
+
+        // This gives nested objects that benefit from knowing one size
+        // component in advance the chance to use that.
+        bool didAdjustMinSize = false;
+        int nrows, ncols;
+        CalcRowsCols(nrows, ncols);
+
+        // Iterate over all items and inform about column width
+        size_t n = 0;
+        for ( wxSizerItemList::iterator i = m_children.begin();
+              i != m_children.end();
+              ++i, ++n )

         {
         {

-            // Since the number of rows/columns can change as items are
-            // inserted/deleted, we need to verify at runtime that the
-            // requested growable rows/columns are still valid.
-            if (m_growableCols[idx] >= ncols)
-                continue;
-
-            // If all items in a row/column are hidden, that row/column will
-            // have a dimension of -1.  This causes the column to be hidden
-            // completely.
-            if (m_colWidths[ m_growableCols[idx] ] == -1)
-                continue;
-            sum_proportions += m_growableColsProportions[idx];
-            growable_space += m_colWidths[ m_growableCols[idx] ];
-            num++;
+            const int col = n % ncols;
+            didAdjustMinSize |= (*i)->InformFirstDirection(wxHORIZONTAL, m_colWidths[col], sz.y - m_calculatedMinSize.y);

         }
 
         }
 

-        if (num > 0)
+        // Only redo if info was actually used
+        if( didAdjustMinSize )

         {
         {

-            for (idx = 0; idx < m_growableCols.GetCount(); idx++)
-            {
-                if (m_growableCols[idx] >= ncols )
-                    continue;
-                if (m_colWidths[ m_growableCols[idx] ] == -1)
-                    m_colWidths[ m_growableCols[idx] ] = 0;
-                else
-                {
-                    int delta = (sz.x - minsz.x);
-                    if (sum_proportions == 0)
-                        delta = (delta/num) + m_colWidths[ m_growableCols[idx] ];
-                    else
-                        delta = ((delta+growable_space)*m_growableColsProportions[idx])/sum_proportions;
-                    m_colWidths[ m_growableCols[idx] ] = delta;
-                }
-            }
+            DoAdjustForGrowables
+            (
+                sz.x - m_calculatedMinSize.x,
+                m_growableCols,
+                m_colWidths,
+                m_growMode == wxFLEX_GROWMODE_SPECIFIED ? &m_growableColsProportions
+                                                        : NULL
+            );

         }
     }
         }
     }

-    else if ( (m_growMode == wxFLEX_GROWMODE_ALL) && (sz.x > minsz.x) )
+
+    if ( (m_flexDirection & wxVERTICAL) || (m_growMode != wxFLEX_GROWMODE_NONE) )

     {
     {

-        for ( int col=0; col < ncols; ++col )
-            m_colWidths[ col ] = sz.x / ncols;
+        // pass NULL instead of proportions if the grow mode is ALL as we
+        // should treat all rows as having proportion of 1 then
+        DoAdjustForGrowables
+        (
+            sz.y - m_calculatedMinSize.y,
+            m_growableRows,
+            m_rowHeights,
+            m_growMode == wxFLEX_GROWMODE_SPECIFIED ? &m_growableRowsProportions
+                                                    : NULL
+        );

     }
 }
 
     }
 }
 

+bool wxFlexGridSizer::IsRowGrowable( size_t idx )
+{
+    return m_growableRows.Index( idx ) != wxNOT_FOUND;
+}

 
 

-void wxFlexGridSizer::AddGrowableRow( size_t idx, int proportion )
+bool wxFlexGridSizer::IsColGrowable( size_t idx )

 {
 {

-    m_growableRows.Add( idx );
-    m_growableRowsProportions.Add( proportion );
+    return m_growableCols.Index( idx ) != wxNOT_FOUND;

 }
 
 }
 

-void wxFlexGridSizer::RemoveGrowableRow( size_t idx )
+void wxFlexGridSizer::AddGrowableRow( size_t idx, int proportion )

 {
 {

-    m_growableRows.Remove( idx );
+    wxASSERT_MSG( !IsRowGrowable( idx ), 
+                  "AddGrowableRow() called for growable row" );
+    m_growableRows.Add( idx );
+    m_growableRowsProportions.Add( proportion );

 }
 
 void wxFlexGridSizer::AddGrowableCol( size_t idx, int proportion )
 {
 }
 
 void wxFlexGridSizer::AddGrowableCol( size_t idx, int proportion )
 {

+    wxASSERT_MSG( !IsColGrowable( idx ), 
+                  "AddGrowableCol() called for growable column" );

     m_growableCols.Add( idx );
     m_growableColsProportions.Add( proportion );
 }
 
     m_growableCols.Add( idx );
     m_growableColsProportions.Add( proportion );
 }
 

+// helper function for RemoveGrowableCol/Row()
+static void
+DoRemoveFromArrays(size_t idx, wxArrayInt& items, wxArrayInt& proportions)
+{
+    const size_t count = items.size();
+    for ( size_t n = 0; n < count; n++ )
+    {
+        if ( (size_t)items[n] == idx )
+        {
+            items.RemoveAt(n);
+            proportions.RemoveAt(n);
+            return;
+        }
+    }
+
+    wxFAIL_MSG( _T("column/row is already not growable") );
+}
+

 void wxFlexGridSizer::RemoveGrowableCol( size_t idx )
 {
 void wxFlexGridSizer::RemoveGrowableCol( size_t idx )
 {

-    m_growableCols.Remove( idx );
+    DoRemoveFromArrays(idx, m_growableCols, m_growableColsProportions);
+}
+
+void wxFlexGridSizer::RemoveGrowableRow( size_t idx )
+{
+    DoRemoveFromArrays(idx, m_growableRows, m_growableRowsProportions);

 }
 
 //---------------------------------------------------------------------------
 // wxBoxSizer
 //---------------------------------------------------------------------------
 
 }
 
 //---------------------------------------------------------------------------
 // wxBoxSizer
 //---------------------------------------------------------------------------
 

-wxBoxSizer::wxBoxSizer( int orient )
-    : m_orient( orient )
-{
-}
-

 void wxBoxSizer::RecalcSizes()
 {
 void wxBoxSizer::RecalcSizes()
 {

-    if (m_children.GetCount() == 0)
+    if ( m_children.empty() )

         return;
 
         return;
 

-    int delta = 0;
-    if (m_stretchable)
-    {
-        if (m_orient == wxHORIZONTAL)
-            delta = m_size.x - m_fixedWidth;
-        else
-            delta = m_size.y - m_fixedHeight;
-    }
+    const wxCoord totalMinorSize = GetSizeInMinorDir(m_size);

 
 

-    wxPoint pt( m_position );
+    // the amount of free space which we should redistribute among the
+    // stretchable items (i.e. those with non zero proportion)
+    int delta = GetSizeInMajorDir(m_size) - GetSizeInMajorDir(m_minSize);

 
 

-    wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
-    while (node)
+
+    // Inform child items about the size in minor direction, that can
+    // change how much free space we have in major dir and how to distribute it.
+    int majorMinSum = 0;
+    wxSizerItemList::const_iterator i ;
+    for ( i = m_children.begin();
+          i != m_children.end();
+          ++i )

     {
     {

-        wxSizerItem     *item = node->GetData();
+        wxSizerItem * const item = *i;
+
+        if ( !item->IsShown() )
+            continue;

 
 

-        if (item->IsShown())
+        wxSize szMinPrev = item->GetMinSizeWithBorder();
+        item->InformFirstDirection(m_orient^wxBOTH,totalMinorSize,delta);
+        wxSize szMin = item->GetMinSizeWithBorder();
+        int deltaChange = GetSizeInMajorDir(szMin-szMinPrev);
+        if( deltaChange )

         {
         {

-            wxSize size( item->GetMinSizeWithBorder() );
+            // Since we passed available space along to the item, it should not
+            // take too much, so delta should not become negative.
+            delta -= deltaChange;
+        }
+        majorMinSum += GetSizeInMajorDir(item->GetMinSizeWithBorder());
+    }
+    // And update our min size
+    SizeInMajorDir(m_minSize) = majorMinSum;

 
 

-            if (m_orient == wxVERTICAL)
-            {
-                wxCoord height = size.y;
-                if (item->GetProportion())
-                {
-                    // Because of at least one visible item has non-zero
-                    // proportion then m_stretchable is not zero
-                    height = (delta * item->GetProportion()) / m_stretchable;
-                }

 
 

-                wxPoint child_pos( pt );
-                wxSize  child_size( size.x, height );
+    // might have a new delta now
+    delta = GetSizeInMajorDir(m_size) - GetSizeInMajorDir(m_minSize);

 
 

-                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;
+    // the position at which we put the next child
+    wxPoint pt(m_position);

 
 

-                item->SetDimension( child_pos, child_size );
+    int totalProportion = m_totalProportion;
+    for ( i = m_children.begin();
+          i != m_children.end();
+          ++i )
+    {
+        wxSizerItem * const item = *i;

 
 

-                pt.y += height;
-            }
-            else
-            {
-                wxCoord width = size.x;
-                if (item->GetProportion())
-                {
-                    // Because of at least one visible item has non-zero
-                    // proportion then m_stretchable is not zero
-                    width = (delta * item->GetProportion()) / m_stretchable;
-                }
+        if ( !item->IsShown() )
+            continue;
+
+        const wxSize sizeThis(item->GetMinSizeWithBorder());

 
 

-                wxPoint child_pos( pt );
-                wxSize  child_size( width, size.y );
+        // adjust the size in the major direction using the proportion
+        wxCoord majorSize = GetSizeInMajorDir(sizeThis);

 
 

-                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;
+        // if there is not enough space, don't try to distribute negative space
+        // among the children, this would result in overlapping windows which
+        // we don't want
+        if ( delta > 0 )
+        {
+            const int propItem = item->GetProportion();
+            if ( propItem )
+            {
+                const int deltaItem = (delta * propItem) / totalProportion;

 
 

-                item->SetDimension( child_pos, child_size );
+                majorSize += deltaItem;

 
 

-                pt.x += width;
+                delta -= deltaItem;
+                totalProportion -= propItem;

             }
         }
 
             }
         }
 

-        node = node->GetNext();
-    }
-}
-
-wxSize wxBoxSizer::CalcMin()
-{
-    if (m_children.GetCount() == 0)
-        return wxSize(10,10);

 
 

-    m_stretchable = 0;
-    m_minWidth = 0;
-    m_minHeight = 0;
-    m_fixedWidth = 0;
-    m_fixedHeight = 0;
+        // apply the alignment in the minor direction
+        wxPoint posChild(pt);

 
 

-    // precalc item minsizes and count proportions
-    wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
-    while (node)
-    {
-        wxSizerItem *item = node->GetData();
-
-        if ( item->IsShown() )
+        wxCoord minorSize = GetSizeInMinorDir(sizeThis);
+        const int flag = item->GetFlag();
+        if ( flag & (wxEXPAND | wxSHAPED) )

         {
         {

-            item->CalcMin();  // result is stored in the item
-
-            m_stretchable += item->GetProportion();
+            minorSize = totalMinorSize;
+        }
+        else if ( flag & (IsVertical() ? wxALIGN_RIGHT : wxALIGN_BOTTOM) )
+        {
+            PosInMinorDir(posChild) += totalMinorSize - minorSize;
+        }
+        // NB: wxCENTRE is used here only for backwards compatibility,
+        //     wxALIGN_CENTRE should be used in new code
+        else if ( flag & (wxCENTER | wxALIGN_CENTRE) )
+        {
+            PosInMinorDir(posChild) += (totalMinorSize - minorSize) / 2;

         }
 
         }
 

-        node = node->GetNext();
-    }
-
-    // Total minimum size (width or height) of sizer
-    int maxMinSize = 0;

 
 

-    node = m_children.GetFirst();
-    while (node)
-    {
-        wxSizerItem *item = node->GetData();
-
-        if (item->IsShown() && item->GetProportion() != 0)
+        // apply RTL adjustment for horizontal sizers:
+        if ( !IsVertical() && m_containingWindow )

         {
         {

-            int stretch = item->GetProportion();
-            wxSize size( item->GetMinSizeWithBorder() );
-            int minSize;
+            posChild.x = m_containingWindow->AdjustForLayoutDirection
+                                             (
+                                                posChild.x,
+                                                majorSize,
+                                                m_size.x
+                                             );
+        }

 
 

-            // Integer division rounded up is (a + b - 1) / b
-            // Round up needed in order to guarantee that all
-            // all items will have size not less then their min size
-            if (m_orient == wxHORIZONTAL)
-                minSize = ( size.x*m_stretchable + stretch - 1)/stretch;
-            else
-                minSize = ( size.y*m_stretchable + stretch - 1)/stretch;
+        // finally set size of this child and advance to the next one
+        item->SetDimension(posChild, SizeFromMajorMinor(majorSize, minorSize));

 
 

-            if (minSize > maxMinSize)
-                maxMinSize = minSize;
-        }
-        node = node->GetNext();
+        PosInMajorDir(pt) += majorSize;

     }
     }

+}

 
 

-    // Calculate overall minimum size
-    node = m_children.GetFirst();
-    while (node)
+wxSize wxBoxSizer::CalcMin()
+{
+    m_totalProportion = 0;
+    m_minSize = wxSize(0, 0);
+
+    // calculate the minimal sizes for all items and count sum of proportions
+    for ( wxSizerItemList::const_iterator i = m_children.begin();
+          i != m_children.end();
+          ++i )

     {
     {

-        wxSizerItem *item = node->GetData();
+        wxSizerItem * const item = *i;

 
 

-        if (item->IsShown())
-        {
-            wxSize size( item->GetMinSizeWithBorder() );
-            if (item->GetProportion() != 0)
-            {
-                if (m_orient == wxHORIZONTAL)
-                    size.x = (maxMinSize*item->GetProportion())/m_stretchable;
-                else
-                    size.y = (maxMinSize*item->GetProportion())/m_stretchable;
-            }
-            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 );
-                }
-            }
+        if ( !item->IsShown() )
+            continue;

 
 

-            if (m_orient == wxHORIZONTAL)
-            {
-                m_minWidth += size.x;
-                m_minHeight = wxMax( m_minHeight, size.y );
-            }
-            else
-            {
-                m_minHeight += size.y;
-                m_minWidth = wxMax( m_minWidth, size.x );
-            }
-        }
-        node = node->GetNext();
+        const wxSize sizeMinThis = item->CalcMin();
+        SizeInMajorDir(m_minSize) += GetSizeInMajorDir(sizeMinThis);
+        if ( GetSizeInMinorDir(sizeMinThis) > GetSizeInMinorDir(m_minSize) )
+            SizeInMinorDir(m_minSize) = GetSizeInMinorDir(sizeMinThis);
+
+        m_totalProportion += item->GetProportion();

     }
 
     }
 

-    return wxSize( m_minWidth, m_minHeight );
+    return m_minSize;

 }
 
 //---------------------------------------------------------------------------
 }
 
 //---------------------------------------------------------------------------


@@ -1688,16 +2028,27 @@ wxSize wxBoxSizer::CalcMin()
 #if wxUSE_STATBOX
 
 wxStaticBoxSizer::wxStaticBoxSizer( wxStaticBox *box, int orient )
 #if wxUSE_STATBOX
 
 wxStaticBoxSizer::wxStaticBoxSizer( wxStaticBox *box, int orient )

-    : wxBoxSizer( orient )
-    , m_staticBox( box )
+    : wxBoxSizer( orient ),
+      m_staticBox( box )

 {
     wxASSERT_MSG( box, wxT("wxStaticBoxSizer needs a static box") );
 {
     wxASSERT_MSG( box, wxT("wxStaticBoxSizer needs a static box") );

+
+    // do this so that our Detach() is called if the static box is destroyed
+    // before we are
+    m_staticBox->SetContainingSizer(this);

 }
 
 wxStaticBoxSizer::wxStaticBoxSizer(int orient, wxWindow *win, const wxString& s)
                 : wxBoxSizer(orient),
                   m_staticBox(new wxStaticBox(win, wxID_ANY, s))
 {
 }
 
 wxStaticBoxSizer::wxStaticBoxSizer(int orient, wxWindow *win, const wxString& s)
                 : wxBoxSizer(orient),
                   m_staticBox(new wxStaticBox(win, wxID_ANY, s))
 {

+    // same as above
+    m_staticBox->SetContainingSizer(this);
+}
+
+wxStaticBoxSizer::~wxStaticBoxSizer()
+{
+    delete m_staticBox;

 }
 
 static void GetStaticBoxBorders( wxStaticBox *box,
 }
 
 static void GetStaticBoxBorders( wxStaticBox *box,


@@ -1747,6 +2098,20 @@ void wxStaticBoxSizer::ShowItems( bool show )
     wxBoxSizer::ShowItems( show );
 }
 
     wxBoxSizer::ShowItems( show );
 }
 

+bool wxStaticBoxSizer::Detach( wxWindow *window )
+{
+    // avoid deleting m_staticBox in our dtor if it's being detached from the
+    // sizer (which can happen because it's being already destroyed for
+    // example)
+    if ( window == m_staticBox )
+    {
+        m_staticBox = NULL;
+        return true;
+    }
+
+    return wxSizer::Detach( window );
+}
+

 #endif // wxUSE_STATBOX
 
 #if wxUSE_BUTTON
 #endif // wxUSE_STATBOX
 
 #if wxUSE_BUTTON


@@ -1790,6 +2155,7 @@ void wxStdDialogButtonSizer::AddButton(wxButton *mybutton)
             m_buttonNegative = mybutton;
             break;
         case wxID_CANCEL:
             m_buttonNegative = mybutton;
             break;
         case wxID_CANCEL:

+        case wxID_CLOSE:

             m_buttonCancel = mybutton;
             break;
         case wxID_HELP:
             m_buttonCancel = mybutton;
             break;
         case wxID_HELP:


@@ -1849,7 +2215,8 @@ void wxStdDialogButtonSizer::Realize()
             if (m_buttonAffirmative->GetId() == wxID_SAVE){
                 // these buttons have set labels under Mac so we should use them
                 m_buttonAffirmative->SetLabel(_("Save"));
             if (m_buttonAffirmative->GetId() == wxID_SAVE){
                 // these buttons have set labels under Mac so we should use them
                 m_buttonAffirmative->SetLabel(_("Save"));

-                m_buttonNegative->SetLabel(_("Don't Save"));
+                if (m_buttonNegative)
+                    m_buttonNegative->SetLabel(_("Don't Save"));

             }
         }
 
             }
         }
 


@@ -1867,15 +2234,17 @@ void wxStdDialogButtonSizer::Realize()
             Add((wxWindow*)m_buttonNegative, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, 3);
         }
 
             Add((wxWindow*)m_buttonNegative, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, 3);
         }
 

+        // according to HIG, in explicit apply windows the order is:
+        // [ Help                     Apply   Cancel   OK ]
+        if (m_buttonApply)
+            Add((wxWindow*)m_buttonApply, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, 3);
+

         if (m_buttonCancel){
             Add((wxWindow*)m_buttonCancel, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, 3);
             // Cancel or help should be default
             // m_buttonCancel->SetDefaultButton();
         }
 
         if (m_buttonCancel){
             Add((wxWindow*)m_buttonCancel, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, 3);
             // Cancel or help should be default
             // m_buttonCancel->SetDefaultButton();
         }
 

-        if (m_buttonApply)
-            Add((wxWindow*)m_buttonApply, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, 3);
-

         if (m_buttonAffirmative)
             Add((wxWindow*)m_buttonAffirmative, 0, wxALIGN_CENTRE | wxLEFT, 6);
 #elif defined(__WXMSW__)
         if (m_buttonAffirmative)
             Add((wxWindow*)m_buttonAffirmative, 0, wxALIGN_CENTRE | wxLEFT, 6);
 #elif defined(__WXMSW__)


@@ -1931,84 +2300,3 @@ void wxStdDialogButtonSizer::Realize()
 }
 
 #endif // wxUSE_BUTTON
 }
 
 #endif // wxUSE_BUTTON

-
-#if WXWIN_COMPATIBILITY_2_4
-
-// ----------------------------------------------------------------------------
-// wxNotebookSizer
-// ----------------------------------------------------------------------------
-
-#if wxUSE_BOOKCTRL
-IMPLEMENT_CLASS(wxBookCtrlSizer, wxSizer)
-#if wxUSE_NOTEBOOK
-IMPLEMENT_CLASS(wxNotebookSizer, wxBookCtrlSizer)
-#endif // wxUSE_NOTEBOOK
-#endif // wxUSE_BOOKCTRL
-
-#if wxUSE_BOOKCTRL
-
-#if WXWIN_COMPATIBILITY_2_6
-
-wxBookCtrlSizer::wxBookCtrlSizer(wxBookCtrlBase *bookctrl)
-               : m_bookctrl(bookctrl)
-{
-    wxASSERT_MSG( bookctrl, wxT("wxBookCtrlSizer needs a control") );
-}
-
-#endif // WXWIN_COMPATIBILITY_2_6
-
-void wxBookCtrlSizer::RecalcSizes()
-{
-    m_bookctrl->SetSize( m_position.x, m_position.y, m_size.x, m_size.y );
-}
-
-wxSize wxBookCtrlSizer::CalcMin()
-{
-    wxSize sizeBorder = m_bookctrl->CalcSizeFromPage(wxSize(0,0));
-
-    sizeBorder.x += 5;
-    sizeBorder.y += 5;
-
-    if ( m_bookctrl->GetPageCount() == 0 )
-    {
-        return wxSize(sizeBorder.x + 10, sizeBorder.y + 10);
-    }
-
-    int maxX = 0;
-    int maxY = 0;
-
-    wxWindowList::compatibility_iterator
-        node = m_bookctrl->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( maxX, maxY ) + sizeBorder;
-}
-
-#if wxUSE_NOTEBOOK
-
-wxNotebookSizer::wxNotebookSizer(wxNotebook *nb)
-{
-    wxASSERT_MSG( nb, wxT("wxNotebookSizer needs a control") );
-    m_bookctrl = nb;
-}
-
-#endif // wxUSE_NOTEBOOOK
-#endif // wxUSE_BOOKCTRL
-
-#endif // WXWIN_COMPATIBILITY_2_4