X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/0ca5105b3419d5c808f823c0a63885f07c0d170f..9c97f8ea883afa5db14c37bea63f6d4c327b4596:/include/wx/sizer.h

diff --git a/include/wx/sizer.h b/include/wx/sizer.h
index cd92e216b7..bd932e89ce 100644
--- a/include/wx/sizer.h
+++ b/include/wx/sizer.h
@@ -1,124 +1,458 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        sizer.h
-// Purpose:     provide wxSizer class for layouting
+// Name:        wx/sizer.h
+// Purpose:     provide wxSizer class for layout
 // Author:      Robert Roebling and Robin Dunn
-// Modified by: Ron Lee
+// Modified by: Ron Lee, Vadim Zeitlin (wxSizerFlags)
 // Created:
 // RCS-ID:      $Id$
-// Copyright:   (c) Robin Dunn, Dirk Holtwick and Robert Roebling
+// Copyright:   (c) Robin Dunn, Robert Roebling
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 #ifndef __WXSIZER_H__
 #define __WXSIZER_H__
 
-#ifdef __GNUG__
-#pragma interface "sizer.h"
-#endif
-
 #include "wx/defs.h"
 
 #include "wx/window.h"
-#include "wx/frame.h"
-#include "wx/dialog.h"
 
 //---------------------------------------------------------------------------
 // classes
 //---------------------------------------------------------------------------
 
-class wxSizerItem;
-class wxSizer;
-class wxBoxSizer;
+class WXDLLIMPEXP_FWD_CORE wxButton;
+class WXDLLIMPEXP_FWD_CORE wxBoxSizer;
+class WXDLLIMPEXP_FWD_CORE wxSizerItem;
+class WXDLLIMPEXP_FWD_CORE wxSizer;
+
+#ifndef wxUSE_BORDER_BY_DEFAULT
+    #ifdef __SMARTPHONE__
+        // no borders by default on limited size screen
+        #define wxUSE_BORDER_BY_DEFAULT 0
+    #else
+        #define wxUSE_BORDER_BY_DEFAULT 1
+    #endif
+#endif
 
-//---------------------------------------------------------------------------
-// wxSizerItem
-//---------------------------------------------------------------------------
+// ----------------------------------------------------------------------------
+// wxSizerFlags: flags used for an item in the sizer
+// ----------------------------------------------------------------------------
 
-class WXDLLEXPORT wxSizerItem: public wxObject
+class WXDLLEXPORT wxSizerFlags
 {
 public:
-    // spacer
-    wxSizerItem( int width, int height, int option, int flag, int border, wxObject* userData);
+    // construct the flags object initialized with the given proportion (0 by
+    // default)
+    wxSizerFlags(int proportion = 0) : m_proportion(proportion)
+    {
+        m_flags = 0;
+        m_borderInPixels = 0;
+    }
+
+    // setters for all sizer flags, they all return the object itself so that
+    // calls to them can be chained
+
+    wxSizerFlags& Proportion(int proportion)
+    {
+        m_proportion = proportion;
+        return *this;
+    }
+
+    wxSizerFlags& Align(int alignment) // combination of wxAlignment values
+    {
+        m_flags &= ~wxALIGN_MASK;
+        m_flags |= alignment;
+
+        return *this;
+    }
+
+    wxSizerFlags& Expand()
+    {
+        m_flags |= wxEXPAND;
+        return *this;
+    }
+
+    // some shortcuts for Align()
+    wxSizerFlags& Centre() { return Align(wxALIGN_CENTRE); }
+    wxSizerFlags& Center() { return Centre(); }
+    wxSizerFlags& Top() { return Align(wxALIGN_TOP); }
+    wxSizerFlags& Left() { return Align(wxALIGN_LEFT); }
+    wxSizerFlags& Right() { return Align(wxALIGN_RIGHT); }
+    wxSizerFlags& Bottom() { return Align(wxALIGN_BOTTOM); }
+
+    // default border size used by Border() below
+    static int GetDefaultBorder()
+    {
+#if wxUSE_BORDER_BY_DEFAULT
+    #ifdef __WXGTK20__
+        // GNOME HIG says to use 6px as the base unit:
+        // http://library.gnome.org/devel/hig-book/stable/design-window.html.en
+        return 6;
+    #else
+        // FIXME: default border size shouldn't be hardcoded and at the very
+        //        least they should depend on the current font size
+        return 5;
+    #endif
+#else
+        return 0;
+#endif
+    }
+
+
+    wxSizerFlags& Border(int direction, int borderInPixels)
+    {
+        m_flags &= ~wxALL;
+        m_flags |= direction;
+
+        m_borderInPixels = borderInPixels;
+
+        return *this;
+    }
+
+    wxSizerFlags& Border(int direction = wxALL)
+    {
+#if wxUSE_BORDER_BY_DEFAULT
+        return Border(direction, GetDefaultBorder());
+#else
+        // no borders by default on limited size screen
+        wxUnusedVar(direction);
+
+        return *this;
+#endif
+    }
+
+    wxSizerFlags& DoubleBorder(int direction = wxALL)
+    {
+#if wxUSE_BORDER_BY_DEFAULT
+        return Border(direction, 2*GetDefaultBorder());
+#else
+        wxUnusedVar(direction);
+
+        return *this;
+#endif
+    }
+
+    wxSizerFlags& TripleBorder(int direction = wxALL)
+    {
+#if wxUSE_BORDER_BY_DEFAULT
+        return Border(direction, 3*GetDefaultBorder());
+#else
+        wxUnusedVar(direction);
+
+        return *this;
+#endif
+    }
+
+    wxSizerFlags& HorzBorder()
+    {
+#if wxUSE_BORDER_BY_DEFAULT
+        return Border(wxLEFT | wxRIGHT, GetDefaultBorder());
+#else
+        return *this;
+#endif
+    }
+
+    wxSizerFlags& DoubleHorzBorder()
+    {
+#if wxUSE_BORDER_BY_DEFAULT
+        return Border(wxLEFT | wxRIGHT, 2*GetDefaultBorder());
+#else
+        return *this;
+#endif
+    }
+
+    // setters for the others flags
+    wxSizerFlags& Shaped()
+    {
+        m_flags |= wxSHAPED;
+
+        return *this;
+    }
+
+    wxSizerFlags& FixedMinSize()
+    {
+        m_flags |= wxFIXED_MINSIZE;
+
+        return *this;
+    }
 
+    // makes the item ignore window's visibility status
+    wxSizerFlags& ReserveSpaceEvenIfHidden()
+    {
+        m_flags |= wxRESERVE_SPACE_EVEN_IF_HIDDEN;
+        return *this;
+    }
+
+    // accessors for wxSizer only
+    int GetProportion() const { return m_proportion; }
+    int GetFlags() const { return m_flags; }
+    int GetBorderInPixels() const { return m_borderInPixels; }
+
+private:
+    int m_proportion;
+    int m_flags;
+    int m_borderInPixels;
+};
+
+
+// ----------------------------------------------------------------------------
+// wxSizerSpacer: used by wxSizerItem to represent a spacer
+// ----------------------------------------------------------------------------
+
+class WXDLLEXPORT wxSizerSpacer
+{
+public:
+    wxSizerSpacer(const wxSize& size) : m_size(size), m_isShown(true) { }
+
+    void SetSize(const wxSize& size) { m_size = size; }
+    const wxSize& GetSize() const { return m_size; }
+
+    void Show(bool show) { m_isShown = show; }
+    bool IsShown() const { return m_isShown; }
+
+private:
+    // the size, in pixel
+    wxSize m_size;
+
+    // is the spacer currently shown?
+    bool m_isShown;
+};
+
+// ----------------------------------------------------------------------------
+// wxSizerItem
+// ----------------------------------------------------------------------------
+
+class WXDLLEXPORT wxSizerItem : public wxObject
+{
+public:
     // window
-    wxSizerItem( wxWindow *window, int option, int flag, int border, wxObject* userData );
+    wxSizerItem( wxWindow *window,
+                 int proportion,
+                 int flag,
+                 int border,
+                 wxObject* userData );
+
+    // window with flags
+    wxSizerItem(wxWindow *window, const wxSizerFlags& flags)
+    {
+        Init(flags);
+
+        DoSetWindow(window);
+    }
 
     // subsizer
-    wxSizerItem( wxSizer *sizer, int option, int flag, int border, wxObject* userData );
+    wxSizerItem( wxSizer *sizer,
+                 int proportion,
+                 int flag,
+                 int border,
+                 wxObject* userData );
+
+    // sizer with flags
+    wxSizerItem(wxSizer *sizer, const wxSizerFlags& flags)
+    {
+        Init(flags);
+
+        DoSetSizer(sizer);
+    }
+
+    // spacer
+    wxSizerItem( int width,
+                 int height,
+                 int proportion,
+                 int flag,
+                 int border,
+                 wxObject* userData);
+
+    // spacer with flags
+    wxSizerItem(int width, int height, const wxSizerFlags& flags)
+    {
+        Init(flags);
+
+        DoSetSpacer(wxSize(width, height));
+    }
+
+    wxSizerItem();
+    virtual ~wxSizerItem();
 
-    ~wxSizerItem();
-    
     virtual void DeleteWindows();
 
-    virtual wxSize GetSize();
+    // Enable deleting the SizerItem without destroying the contained sizer.
+    void DetachSizer() { m_sizer = NULL; }
+
+    virtual wxSize GetSize() const;
     virtual wxSize CalcMin();
-    virtual void SetDimension( wxPoint pos, wxSize size );
+    virtual void SetDimension( const wxPoint& pos, const wxSize& size );
 
-    wxSize GetMinSize()
+    wxSize GetMinSize() const
         { return m_minSize; }
+    wxSize GetMinSizeWithBorder() const;
+
+    void SetMinSize(const wxSize& size)
+    {
+        if ( IsWindow() )
+            m_window->SetMinSize(size);
+        m_minSize = size;
+    }
+    void SetMinSize( int x, int y )
+        { SetMinSize(wxSize(x, y)); }
+    void SetInitSize( int x, int y )
+        { SetMinSize(wxSize(x, y)); }
 
-    void SetRatio( int width, int height )
-        // if either of dimensions is zero, ratio is assumed to be 1
-        // to avoid "divide by zero" errors
+    // if either of dimensions is zero, ratio is assumed to be 1
+    // to avoid "divide by zero" errors
+    void SetRatio(int width, int height)
         { m_ratio = (width && height) ? ((float) width / (float) height) : 1; }
-    void SetRatio( wxSize size )
-        { m_ratio = (size.x && size.y) ? ((float) size.x / (float) size.y) : 1; }
-    void SetRatio( float ratio )
+    void SetRatio(const wxSize& size)
+        { SetRatio(size.x, size.y); }
+    void SetRatio(float ratio)
         { m_ratio = ratio; }
     float GetRatio() const
         { return m_ratio; }
 
-    bool IsWindow();
-    bool IsSizer();
-    bool IsSpacer();
+    virtual wxRect GetRect() { return m_rect; }
 
-    void SetInitSize( int x, int y )
-        { m_minSize.x = x; m_minSize.y = y; }
-    void SetOption( int option )
-        { m_option = option; }
+    // set a sizer item id (different from a window id, all sizer items,
+    // including spacers, can have an associated id)
+    void SetId(int id) { m_id = id; }
+    int GetId() const { return m_id; }
+
+    bool IsWindow() const { return m_kind == Item_Window; }
+    bool IsSizer() const { return m_kind == Item_Sizer; }
+    bool IsSpacer() const { return m_kind == Item_Spacer; }
+
+#if WXWIN_COMPATIBILITY_2_6
+    // Deprecated in 2.6, use {G,S}etProportion instead.
+    wxDEPRECATED( void SetOption( int option ) );
+    wxDEPRECATED( int GetOption() const );
+#endif // WXWIN_COMPATIBILITY_2_6
+
+    void SetProportion( int proportion )
+        { m_proportion = proportion; }
+    int GetProportion() const
+        { return m_proportion; }
     void SetFlag( int flag )
         { m_flag = flag; }
+    int GetFlag() const
+        { return m_flag; }
     void SetBorder( int border )
         { m_border = border; }
+    int GetBorder() const
+        { return m_border; }
 
     wxWindow *GetWindow() const
-        { return m_window; }
-    void SetWindow( wxWindow *window )
-        { m_window = window; }
+        { return m_kind == Item_Window ? m_window : NULL; }
     wxSizer *GetSizer() const
-        { return m_sizer; }
-    void SetSizer( wxSizer *sizer )
-        { m_sizer = sizer; }
-    int GetOption() const
-        { return m_option; }
-    int GetFlag() const
-        { return m_flag; }
-    int GetBorder() const
-        { return m_border; }
-    wxObject* GetUserData()
+        { return m_kind == Item_Sizer ? m_sizer : NULL; }
+    wxSize GetSpacer() const;
+
+    // This function behaves obviously for the windows and spacers but for the
+    // sizers it returns true if any sizer element is shown and only returns
+    // false if all of them are hidden. Also, it always returns true if
+    // wxRESERVE_SPACE_EVEN_IF_HIDDEN flag was used.
+    bool IsShown() const;
+
+    void Show(bool show);
+
+    void SetUserData(wxObject* userData)
+        { delete m_userData; m_userData = userData; }
+    wxObject* GetUserData() const
         { return m_userData; }
-    wxPoint GetPosition()
+    wxPoint GetPosition() const
         { return m_pos; }
 
+    // Called once the first component of an item has been decided. This is 
+    // used in algorithms that depend on knowing the size in one direction 
+    // before the min size in the other direction can be known. 
+    // Returns true if it made use of the information (and min size was changed).
+    bool InformFirstDirection( int direction, int size, int availableOtherDir=-1 );
+
+    // these functions delete the current contents of the item if it's a sizer
+    // or a spacer but not if it is a window
+    void AssignWindow(wxWindow *window)
+    {
+        Free();
+        DoSetWindow(window);
+    }
+
+    void AssignSizer(wxSizer *sizer)
+    {
+        Free();
+        DoSetSizer(sizer);
+    }
+
+    void AssignSpacer(const wxSize& size)
+    {
+        Free();
+        DoSetSpacer(size);
+    }
+
+    void AssignSpacer(int w, int h) { AssignSpacer(wxSize(w, h)); }
+
+#if WXWIN_COMPATIBILITY_2_8
+    // these functions do not free the old sizer/spacer and so can easily
+    // provoke the memory leaks and so shouldn't be used, use Assign() instead
+    wxDEPRECATED( void SetWindow(wxWindow *window) );
+    wxDEPRECATED( void SetSizer(wxSizer *sizer) );
+    wxDEPRECATED( void SetSpacer(const wxSize& size) );
+    wxDEPRECATED( void SetSpacer(int width, int height) );
+#endif // WXWIN_COMPATIBILITY_2_8
+
 protected:
-    wxWindow    *m_window;
-    wxSizer     *m_sizer;
-    wxSize       m_size;
+    // common part of several ctors
+    void Init() { m_userData = NULL; m_kind = Item_None; }
+
+    // common part of ctors taking wxSizerFlags
+    void Init(const wxSizerFlags& flags);
+
+    // free current contents
+    void Free();
+
+    // common parts of Set/AssignXXX()
+    void DoSetWindow(wxWindow *window);
+    void DoSetSizer(wxSizer *sizer);
+    void DoSetSpacer(const wxSize& size);
+
+    // discriminated union: depending on m_kind one of the fields is valid
+    enum
+    {
+        Item_None,
+        Item_Window,
+        Item_Sizer,
+        Item_Spacer,
+        Item_Max
+    } m_kind;
+    union
+    {
+        wxWindow      *m_window;
+        wxSizer       *m_sizer;
+        wxSizerSpacer *m_spacer;
+    };
+
     wxPoint      m_pos;
     wxSize       m_minSize;
-    int          m_option;
+    int          m_proportion;
     int          m_border;
     int          m_flag;
-    // als: aspect ratio can always be calculated from m_size,
-    //      but this would cause precision loss when the window
-    //      is shrinked.  it is safer to preserve initial value.
+    int          m_id;
+
+    // on screen rectangle of this item (not including borders)
+    wxRect       m_rect;
+
+    // Aspect ratio can always be calculated from m_size,
+    // but this would cause precision loss when the window
+    // is shrunk.  It is safer to preserve the initial value.
     float        m_ratio;
+
     wxObject    *m_userData;
 
 private:
-    DECLARE_CLASS(wxSizerItem);
+    DECLARE_CLASS(wxSizerItem)
+    DECLARE_NO_COPY_CLASS(wxSizerItem)
 };
 
+WX_DECLARE_EXPORTED_LIST( wxSizerItem, wxSizerItemList );
+
+
 //---------------------------------------------------------------------------
 // wxSizer
 //---------------------------------------------------------------------------
@@ -126,94 +460,227 @@ private:
 class WXDLLEXPORT wxSizer: public wxObject, public wxClientDataContainer
 {
 public:
-    wxSizer();
-    ~wxSizer();
+    wxSizer() { m_containingWindow = NULL; }
+    virtual ~wxSizer();
+
+    // methods for adding elements to the sizer: there are Add/Insert/Prepend
+    // overloads for each of window/sizer/spacer/wxSizerItem
+    wxSizerItem* Add(wxWindow *window,
+                     int proportion = 0,
+                     int flag = 0,
+                     int border = 0,
+                     wxObject* userData = NULL);
+    wxSizerItem* Add(wxSizer *sizer,
+                     int proportion = 0,
+                     int flag = 0,
+                     int border = 0,
+                     wxObject* userData = NULL);
+    wxSizerItem* Add(int width,
+                     int height,
+                     int proportion = 0,
+                     int flag = 0,
+                     int border = 0,
+                     wxObject* userData = NULL);
+    wxSizerItem* Add( wxWindow *window, const wxSizerFlags& flags);
+    wxSizerItem* Add( wxSizer *sizer, const wxSizerFlags& flags);
+    wxSizerItem* Add( int width, int height, const wxSizerFlags& flags);
+    wxSizerItem* Add( wxSizerItem *item);
+
+    wxSizerItem* AddSpacer(int size);
+    wxSizerItem* AddStretchSpacer(int prop = 1);
+
+    wxSizerItem* Insert(size_t index,
+                        wxWindow *window,
+                        int proportion = 0,
+                        int flag = 0,
+                        int border = 0,
+                        wxObject* userData = NULL);
+    wxSizerItem* Insert(size_t index,
+                        wxSizer *sizer,
+                        int proportion = 0,
+                        int flag = 0,
+                        int border = 0,
+                        wxObject* userData = NULL);
+    wxSizerItem* Insert(size_t index,
+                        int width,
+                        int height,
+                        int proportion = 0,
+                        int flag = 0,
+                        int border = 0,
+                        wxObject* userData = NULL);
+    wxSizerItem* Insert(size_t index,
+                        wxWindow *window,
+                        const wxSizerFlags& flags);
+    wxSizerItem* Insert(size_t index,
+                        wxSizer *sizer,
+                        const wxSizerFlags& flags);
+    wxSizerItem* Insert(size_t index,
+                        int width,
+                        int height,
+                        const wxSizerFlags& flags);                        
+    virtual wxSizerItem* Insert( size_t index, wxSizerItem *item);
+
+    wxSizerItem* InsertSpacer(size_t index, int size);
+    wxSizerItem* InsertStretchSpacer(size_t index, int prop = 1);
+
+    wxSizerItem* Prepend(wxWindow *window,
+                         int proportion = 0,
+                         int flag = 0,
+                         int border = 0,
+                         wxObject* userData = NULL);
+    wxSizerItem* Prepend(wxSizer *sizer,
+                         int proportion = 0,
+                         int flag = 0,
+                         int border = 0,
+                         wxObject* userData = NULL);
+    wxSizerItem* Prepend(int width,
+                         int height,
+                         int proportion = 0,
+                         int flag = 0,
+                         int border = 0,
+                         wxObject* userData = NULL);
+    wxSizerItem* Prepend(wxWindow *window, const wxSizerFlags& flags);
+    wxSizerItem* Prepend(wxSizer *sizer, const wxSizerFlags& flags);
+    wxSizerItem* Prepend(int width, int height, const wxSizerFlags& flags);
+    wxSizerItem* Prepend(wxSizerItem *item);
+
+    wxSizerItem* PrependSpacer(int size);
+    wxSizerItem* PrependStretchSpacer(int prop = 1);
+
+    // set (or possibly unset if window is NULL) or get the window this sizer
+    // is used in
+    void SetContainingWindow(wxWindow *window);
+    wxWindow *GetContainingWindow() const { return m_containingWindow; }
+
+#if WXWIN_COMPATIBILITY_2_6
+    // Deprecated in 2.6 since historically it does not delete the window,
+    // use Detach instead.
+    wxDEPRECATED( virtual bool Remove( wxWindow *window ) );
+#endif // WXWIN_COMPATIBILITY_2_6
 
-    /* These should be called Append() really. */
-    virtual void Add( wxWindow *window, int option = 0, int flag = 0, int border = 0, wxObject* userData = NULL );
-    virtual void Add( wxSizer *sizer, int option = 0, int flag = 0, int border = 0, wxObject* userData = NULL );
-    virtual void Add( int width, int height, int option = 0, int flag = 0, int border = 0, wxObject* userData = NULL );
+    virtual bool Remove( wxSizer *sizer );
+    virtual bool Remove( int index );
 
-    virtual void Insert( int before, wxWindow *window, int option = 0, int flag = 0, int border = 0, wxObject* userData = NULL );
-    virtual void Insert( int before, wxSizer *sizer, int option = 0, int flag = 0, int border = 0, wxObject* userData = NULL );
-    virtual void Insert( int before, int width, int height, int option = 0, int flag = 0, int border = 0, wxObject* userData = NULL );
+    virtual bool Detach( wxWindow *window );
+    virtual bool Detach( wxSizer *sizer );
+    virtual bool Detach( int index );
 
-    virtual void Prepend( wxWindow *window, int option = 0, int flag = 0, int border = 0, wxObject* userData = NULL );
-    virtual void Prepend( wxSizer *sizer, int option = 0, int flag = 0, int border = 0, wxObject* userData = NULL );
-    virtual void Prepend( int width, int height, int option = 0, int flag = 0, int border = 0, wxObject* userData = NULL );
+    virtual bool Replace( wxWindow *oldwin, wxWindow *newwin, bool recursive = false );
+    virtual bool Replace( wxSizer *oldsz, wxSizer *newsz, bool recursive = false );
+    virtual bool Replace( size_t index, wxSizerItem *newitem );
 
-    virtual bool Remove( wxWindow *window );
-    virtual bool Remove( wxSizer *sizer );
-    virtual bool Remove( int pos );
-    
-    virtual void Clear( bool delete_windows=FALSE );
+    virtual void Clear( bool delete_windows = false );
     virtual void DeleteWindows();
 
+    // Inform sizer about the first direction that has been decided (by parent item)
+    // Returns true if it made use of the informtion (and recalculated min size)
+    virtual bool InformFirstDirection( int WXUNUSED(direction), int WXUNUSED(size), int WXUNUSED(availableOtherDir) )
+        { return false; }
+    
     void SetMinSize( int width, int height )
         { DoSetMinSize( width, height ); }
-    void SetMinSize( wxSize size )
+    void SetMinSize( const wxSize& size )
         { DoSetMinSize( size.x, size.y ); }
 
-    /* Searches recursively */
+    // Searches recursively
     bool SetItemMinSize( wxWindow *window, int width, int height )
         { return DoSetItemMinSize( window, width, height ); }
-    bool SetItemMinSize( wxWindow *window, wxSize size )
+    bool SetItemMinSize( wxWindow *window, const wxSize& size )
         { return DoSetItemMinSize( window, size.x, size.y ); }
 
-    /* Searches recursively */
+    // Searches recursively
     bool SetItemMinSize( wxSizer *sizer, int width, int height )
         { return DoSetItemMinSize( sizer, width, height ); }
-    bool SetItemMinSize( wxSizer *sizer, wxSize size )
+    bool SetItemMinSize( wxSizer *sizer, const wxSize& size )
         { return DoSetItemMinSize( sizer, size.x, size.y ); }
 
-    bool SetItemMinSize( int pos, int width, int height )
-        { return DoSetItemMinSize( pos, width, height ); }
-    bool SetItemMinSize( int pos, wxSize size )
-        { return DoSetItemMinSize( pos, size.x, size.y ); }
+    bool SetItemMinSize( size_t index, int width, int height )
+        { return DoSetItemMinSize( index, width, height ); }
+    bool SetItemMinSize( size_t index, const wxSize& size )
+        { return DoSetItemMinSize( index, size.x, size.y ); }
 
-    wxSize GetSize()
+    wxSize GetSize() const
         { return m_size; }
-    wxPoint GetPosition()
+    wxPoint GetPosition() const
         { return m_position; }
 
-    /* Calculate the minimal size or return m_minSize if bigger. */
+    // Calculate the minimal size or return m_minSize if bigger.
     wxSize GetMinSize();
 
-    virtual void RecalcSizes() = 0;
+    // These virtual functions are used by the layout algorithm: first
+    // CalcMin() is called to calculate the minimal size of the sizer and
+    // prepare for laying it out and then RecalcSizes() is called to really
+    // update all the sizer items
     virtual wxSize CalcMin() = 0;
+    virtual void RecalcSizes() = 0;
 
     virtual void Layout();
 
+    wxSize ComputeFittingClientSize(wxWindow *window);
+    wxSize ComputeFittingWindowSize(wxWindow *window);
+
     wxSize Fit( wxWindow *window );
     void FitInside( wxWindow *window );
     void SetSizeHints( wxWindow *window );
-    void SetVirtualSizeHints( wxWindow *window );
+#if WXWIN_COMPATIBILITY_2_8
+    // This only calls FitInside() since 2.9
+    wxDEPRECATED( void SetVirtualSizeHints( wxWindow *window ) );
+#endif
 
-    wxList& GetChildren()
+    wxSizerItemList& GetChildren()
+        { return m_children; }
+    const wxSizerItemList& GetChildren() const
         { return m_children; }
 
     void SetDimension( int x, int y, int width, int height );
 
+    wxSizerItem* GetItem( wxWindow *window, bool recursive = false );
+    wxSizerItem* GetItem( wxSizer *sizer, bool recursive = false );
+    wxSizerItem* GetItem( size_t index );
+    wxSizerItem* GetItemById( int id, bool recursive = false );
+
+    // Manage whether individual scene items are considered
+    // in the layout calculations or not.
+    bool Show( wxWindow *window, bool show = true, bool recursive = false );
+    bool Show( wxSizer *sizer, bool show = true, bool recursive = false );
+    bool Show( size_t index, bool show = true );
+
+    bool Hide( wxSizer *sizer, bool recursive = false )
+        { return Show( sizer, false, recursive ); }
+    bool Hide( wxWindow *window, bool recursive = false )
+        { return Show( window, false, recursive ); }
+    bool Hide( size_t index )
+        { return Show( index, false ); }
+
+    bool IsShown( wxWindow *window ) const;
+    bool IsShown( wxSizer *sizer ) const;
+    bool IsShown( size_t index ) const;
+
+    // Recursively call wxWindow::Show () on all sizer items.
+    virtual void ShowItems (bool show);
+
+    void Show(bool show) { ShowItems(show); }
+
 protected:
-    wxSize  m_size;
-    wxSize  m_minSize;
-    wxPoint m_position;
-    wxList  m_children;
-
-    wxSize GetMaxWindowSize( wxWindow *window );
-    wxSize GetMinWindowSize( wxWindow *window );
-    wxSize GetMaxClientSize( wxWindow *window );
+    wxSize              m_size;
+    wxSize              m_minSize;
+    wxPoint             m_position;
+    wxSizerItemList     m_children;
+
+    // the window this sizer is used in, can be NULL
+    wxWindow *m_containingWindow;
+
+    wxSize GetMaxClientSize( wxWindow *window ) const;
     wxSize GetMinClientSize( wxWindow *window );
-    wxSize FitSize( wxWindow *window );
     wxSize VirtualFitSize( wxWindow *window );
 
     virtual void DoSetMinSize( int width, int height );
     virtual bool DoSetItemMinSize( wxWindow *window, int width, int height );
     virtual bool DoSetItemMinSize( wxSizer *sizer, int width, int height );
-    virtual bool DoSetItemMinSize( int pos, int width, int height );
+    virtual bool DoSetItemMinSize( size_t index, int width, int height );
 
 private:
-    DECLARE_CLASS(wxSizer);
+    DECLARE_CLASS(wxSizer)
 };
 
 //---------------------------------------------------------------------------
@@ -226,17 +693,17 @@ public:
     wxGridSizer( int rows, int cols, int vgap, int hgap );
     wxGridSizer( int cols, int vgap = 0, int hgap = 0 );
 
-    void RecalcSizes();
-    wxSize CalcMin();
+    virtual void RecalcSizes();
+    virtual wxSize CalcMin();
 
     void SetCols( int cols )    { m_cols = cols; }
     void SetRows( int rows )    { m_rows = rows; }
     void SetVGap( int gap )     { m_vgap = gap; }
     void SetHGap( int gap )     { m_hgap = gap; }
-    int GetCols()               { return m_cols; }
-    int GetRows()               { return m_rows; }
-    int GetVGap()               { return m_vgap; }
-    int GetHGap()               { return m_hgap; }
+    int GetCols() const         { return m_cols; }
+    int GetRows() const         { return m_rows; }
+    int GetVGap() const         { return m_vgap; }
+    int GetHGap() const         { return m_hgap; }
 
 protected:
     int    m_rows;
@@ -250,38 +717,92 @@ protected:
     void SetItemBounds( wxSizerItem *item, int x, int y, int w, int h );
 
 private:
-    DECLARE_CLASS(wxGridSizer);
+    DECLARE_CLASS(wxGridSizer)
 };
 
 //---------------------------------------------------------------------------
 // wxFlexGridSizer
 //---------------------------------------------------------------------------
 
+// the bevaiour for resizing wxFlexGridSizer cells in the "non-flexible"
+// direction
+enum wxFlexSizerGrowMode
+{
+    // don't resize the cells in non-flexible direction at all
+    wxFLEX_GROWMODE_NONE,
+
+    // uniformly resize only the specified ones (default)
+    wxFLEX_GROWMODE_SPECIFIED,
+
+    // uniformly resize all cells
+    wxFLEX_GROWMODE_ALL
+};
+
 class WXDLLEXPORT wxFlexGridSizer: public wxGridSizer
 {
 public:
+    // ctors/dtor
     wxFlexGridSizer( int rows, int cols, int vgap, int hgap );
     wxFlexGridSizer( int cols, int vgap = 0, int hgap = 0 );
-    ~wxFlexGridSizer();
+    virtual ~wxFlexGridSizer();
 
-    void RecalcSizes();
-    wxSize CalcMin();
 
-    void AddGrowableRow( size_t idx );
+    // set the rows/columns which will grow (the others will remain of the
+    // constant initial size)
+    void AddGrowableRow( size_t idx, int proportion = 0 );
     void RemoveGrowableRow( size_t idx );
-    void AddGrowableCol( size_t idx );
+    void AddGrowableCol( size_t idx, int proportion = 0 );
     void RemoveGrowableCol( size_t idx );
 
+
+    // the sizer cells may grow in both directions, not grow at all or only
+    // grow in one direction but not the other
+
+    // the direction may be wxVERTICAL, wxHORIZONTAL or wxBOTH (default)
+    void SetFlexibleDirection(int direction) { m_flexDirection = direction; }
+    int GetFlexibleDirection() const { return m_flexDirection; }
+
+    // note that the grow mode only applies to the direction which is not
+    // flexible
+    void SetNonFlexibleGrowMode(wxFlexSizerGrowMode mode) { m_growMode = mode; }
+    wxFlexSizerGrowMode GetNonFlexibleGrowMode() const { return m_growMode; }
+
+    // Read-only access to the row heights and col widths arrays
+    const wxArrayInt& GetRowHeights() const { return m_rowHeights; }
+    const wxArrayInt& GetColWidths() const  { return m_colWidths; }
+
+    // implementation
+    virtual void RecalcSizes();
+    virtual wxSize CalcMin();
+
 protected:
-    int         *m_rowHeights;
-    int         *m_colWidths;
-    wxArrayInt  m_growableRows;
-    wxArrayInt  m_growableCols;
+    void AdjustForFlexDirection();
+    void AdjustForGrowables(const wxSize& sz);
+    void FindWidthsAndHeights(int nrows, int ncols);
+
+    // the heights/widths of all rows/columns
+    wxArrayInt  m_rowHeights,
+                m_colWidths;
+
+    // indices of the growable columns and rows
+    wxArrayInt  m_growableRows,
+                m_growableCols;
+
+    // proportion values of the corresponding growable rows and columns
+    wxArrayInt  m_growableRowsProportions,
+                m_growableColsProportions;
 
-    void CreateArrays();
+    // parameters describing whether the growable cells should be resized in
+    // both directions or only one
+    int m_flexDirection;
+    wxFlexSizerGrowMode m_growMode;
+
+    // saves CalcMin result to optimize RecalcSizes
+    wxSize m_calculatedMinSize;
 
 private:
-    DECLARE_CLASS(wxFlexGridSizer);
+    DECLARE_CLASS(wxFlexGridSizer)
+    DECLARE_NO_COPY_CLASS(wxFlexGridSizer)
 };
 
 //---------------------------------------------------------------------------
@@ -291,24 +812,114 @@ private:
 class WXDLLEXPORT wxBoxSizer: public wxSizer
 {
 public:
-    wxBoxSizer( int orient );
+    wxBoxSizer(int orient)
+    {
+        m_orient = orient;
+        m_totalProportion = 0;
 
-    void RecalcSizes();
-    wxSize CalcMin();
+        wxASSERT_MSG( m_orient == wxHORIZONTAL || m_orient == wxVERTICAL,
+                      _T("invalid value for wxBoxSizer orientation") );
+    }
 
-    int GetOrientation()
-        { return m_orient; }
+    int GetOrientation() const { return m_orient; }
+
+    bool IsVertical() const { return m_orient == wxVERTICAL; }
+
+    void SetOrientation(int orient) { m_orient = orient; }
+
+    // implementation of our resizing logic
+    virtual wxSize CalcMin();
+    virtual void RecalcSizes();
 
 protected:
+    // helpers for our code: this returns the component of the given wxSize in
+    // the direction of the sizer and in the other direction, respectively
+    int GetSizeInMajorDir(const wxSize& sz) const
+    {
+        return m_orient == wxHORIZONTAL ? sz.x : sz.y;
+    }
+
+    int& SizeInMajorDir(wxSize& sz)
+    {
+        return m_orient == wxHORIZONTAL ? sz.x : sz.y;
+    }
+
+    int& PosInMajorDir(wxPoint& pt)
+    {
+        return m_orient == wxHORIZONTAL ? pt.x : pt.y;
+    }
+
+    int GetSizeInMinorDir(const wxSize& sz) const
+    {
+        return m_orient == wxHORIZONTAL ? sz.y : sz.x;
+    }
+
+    int& SizeInMinorDir(wxSize& sz)
+    {
+        return m_orient == wxHORIZONTAL ? sz.y : sz.x;
+    }
+
+    int& PosInMinorDir(wxPoint& pt)
+    {
+        return m_orient == wxHORIZONTAL ? pt.y : pt.x;
+    }
+
+    // another helper: creates wxSize from major and minor components
+    wxSize SizeFromMajorMinor(int major, int minor) const
+    {
+        if ( m_orient == wxHORIZONTAL )
+        {
+            return wxSize(major, minor);
+        }
+        else // wxVERTICAL
+        {
+            return wxSize(minor, major);
+        }
+    }
+
+
+    // either wxHORIZONTAL or wxVERTICAL
     int m_orient;
-    int m_stretchable;
-    int m_minWidth;
-    int m_minHeight;
-    int m_fixedWidth;
-    int m_fixedHeight;
+
+    // the sum of proportion of all of our elements
+    int m_totalProportion;
+
+    // the minimal size needed for this sizer as calculated by the last call to
+    // our CalcMin()
+    wxSize m_minSize;
 
 private:
-    DECLARE_CLASS(wxBoxSizer);
+    DECLARE_CLASS(wxBoxSizer)
+};
+
+//---------------------------------------------------------------------------
+// wxWrapSizer - A box sizer that can wrap items on several lines when 
+// widths exceed available width.
+//---------------------------------------------------------------------------
+
+// Borrow unused flag value
+#define wxEXTEND_LAST_ON_EACH_LINE	wxFULL_REPAINT_ON_RESIZE
+
+class WXDLLEXPORT wxWrapSizer: public wxBoxSizer
+{
+public:
+    wxWrapSizer( int orient=wxHORIZONTAL, int flags=wxEXTEND_LAST_ON_EACH_LINE );
+    virtual ~wxWrapSizer();
+
+    virtual void RecalcSizes();
+    virtual wxSize CalcMin();
+    
+    virtual bool InformFirstDirection( int direction, int size, int availableOtherDir );
+    
+protected:
+    int m_prim_size_last;    // Size in primary direction last time
+    int m_n_line;            // Number of lines
+    wxBoxSizer m_rows;       // Rows of items
+    int m_flags;
+
+    void AdjustPropLastItem(wxSizer *psz, wxSizerItem *itemLast);    
+    
+    DECLARE_DYNAMIC_CLASS(wxWrapSizer)
 };
 
 //---------------------------------------------------------------------------
@@ -317,56 +928,286 @@ private:
 
 #if wxUSE_STATBOX
 
-class WXDLLEXPORT wxStaticBox;
+class WXDLLIMPEXP_FWD_CORE wxStaticBox;
 
 class WXDLLEXPORT wxStaticBoxSizer: public wxBoxSizer
 {
 public:
-    wxStaticBoxSizer( wxStaticBox *box, int orient );
+    wxStaticBoxSizer(wxStaticBox *box, int orient);
+    wxStaticBoxSizer(int orient, wxWindow *win, const wxString& label = wxEmptyString);
+    virtual ~wxStaticBoxSizer();
 
     void RecalcSizes();
     wxSize CalcMin();
 
-    wxStaticBox *GetStaticBox()
+    wxStaticBox *GetStaticBox() const
         { return m_staticBox; }
 
+    // override to hide/show the static box as well
+    virtual void ShowItems (bool show);
+
+    virtual bool Detach( wxWindow *window );
+    virtual bool Detach( wxSizer *sizer ) { return wxBoxSizer::Detach(sizer); }
+    virtual bool Detach( int index ) { return wxBoxSizer::Detach(index); }
+
 protected:
     wxStaticBox   *m_staticBox;
 
 private:
-    DECLARE_CLASS(wxStaticBoxSizer);
+    DECLARE_CLASS(wxStaticBoxSizer)
+    DECLARE_NO_COPY_CLASS(wxStaticBoxSizer)
 };
 
 #endif // wxUSE_STATBOX
 
-//---------------------------------------------------------------------------
-// wxNotebookSizer
-//---------------------------------------------------------------------------
-
-#if wxUSE_NOTEBOOK
+#if wxUSE_BUTTON
 
-class WXDLLEXPORT wxNotebook;
-
-class WXDLLEXPORT wxNotebookSizer: public wxSizer
+class WXDLLEXPORT wxStdDialogButtonSizer: public wxBoxSizer
 {
 public:
-    wxNotebookSizer( wxNotebook *nb );
-
-    void RecalcSizes();
-    wxSize CalcMin();
-
-    wxNotebook *GetNotebook()
-        { return m_notebook; }
+    // Constructor just creates a new wxBoxSizer, not much else.
+    // Box sizer orientation is automatically determined here:
+    // vertical for PDAs, horizontal for everything else?
+    wxStdDialogButtonSizer();
+
+    // Checks button ID against system IDs and sets one of the pointers below
+    // to this button. Does not do any sizer-related things here.
+    void AddButton(wxButton *button);
+
+    // Use these if no standard ID can/should be used
+    void SetAffirmativeButton( wxButton *button );
+    void SetNegativeButton( wxButton *button );
+    void SetCancelButton( wxButton *button );
+
+    // All platform-specific code here, checks which buttons exist and add
+    // them to the sizer accordingly.
+    // Note - one potential hack on Mac we could use here,
+    // if m_buttonAffirmative is wxID_SAVE then ensure wxID_SAVE
+    // is set to _("Save") and m_buttonNegative is set to _("Don't Save")
+    // I wouldn't add any other hacks like that into here,
+    // but this one I can see being useful.
+    void Realize();
+
+    wxButton *GetAffirmativeButton() const { return m_buttonAffirmative; }
+    wxButton *GetApplyButton() const { return m_buttonApply; }
+    wxButton *GetNegativeButton() const { return m_buttonNegative; }
+    wxButton *GetCancelButton() const { return m_buttonCancel; }
+    wxButton *GetHelpButton() const { return m_buttonHelp; }
 
 protected:
-    wxNotebook   *m_notebook;
+    wxButton *m_buttonAffirmative;  // wxID_OK, wxID_YES, wxID_SAVE go here
+    wxButton *m_buttonApply;        // wxID_APPLY
+    wxButton *m_buttonNegative;     // wxID_NO
+    wxButton *m_buttonCancel;       // wxID_CANCEL, wxID_CLOSE
+    wxButton *m_buttonHelp;         // wxID_HELP, wxID_CONTEXT_HELP
 
 private:
-    DECLARE_CLASS(wxNotebookSizer);
+    DECLARE_CLASS(wxStdDialogButtonSizer)
+    DECLARE_NO_COPY_CLASS(wxStdDialogButtonSizer)
 };
 
-#endif // wxUSE_NOTEBOOK
+#endif // wxUSE_BUTTON
 
 
-#endif
-  // __WXSIZER_H__
+// ----------------------------------------------------------------------------
+// inline functions implementation
+// ----------------------------------------------------------------------------
+
+#if WXWIN_COMPATIBILITY_2_8
+
+inline void wxSizerItem::SetWindow(wxWindow *window)
+{
+    DoSetWindow(window);
+}
+
+inline void wxSizerItem::SetSizer(wxSizer *sizer)
+{
+    DoSetSizer(sizer);
+}
+
+inline void wxSizerItem::SetSpacer(const wxSize& size)
+{
+    DoSetSpacer(size);
+}
+
+inline void wxSizerItem::SetSpacer(int width, int height)
+{ 
+    DoSetSpacer(wxSize(width, height)); 
+} 
+
+#endif // WXWIN_COMPATIBILITY_2_8
+
+
+inline wxSizerItem*
+wxSizer::Add( wxSizerItem *item )
+{
+    return Insert( m_children.GetCount(), item );
+}
+
+inline wxSizerItem*
+wxSizer::Add( wxWindow *window, int proportion, int flag, int border, wxObject* userData )
+{
+    return Add( new wxSizerItem( window, proportion, flag, border, userData ) );
+}
+
+inline wxSizerItem*
+wxSizer::Add( wxSizer *sizer, int proportion, int flag, int border, wxObject* userData )
+{
+    return Add( new wxSizerItem( sizer, proportion, flag, border, userData ) );
+}
+
+inline wxSizerItem*
+wxSizer::Add( int width, int height, int proportion, int flag, int border, wxObject* userData )
+{
+    return Add( new wxSizerItem( width, height, proportion, flag, border, userData ) );
+}
+
+inline wxSizerItem*
+wxSizer::Add( wxWindow *window, const wxSizerFlags& flags )
+{
+    return Add( new wxSizerItem(window, flags) );
+}
+
+inline wxSizerItem*
+wxSizer::Add( wxSizer *sizer, const wxSizerFlags& flags )
+{
+    return Add( new wxSizerItem(sizer, flags) );
+}
+
+inline wxSizerItem*
+wxSizer::Add( int width, int height, const wxSizerFlags& flags )
+{
+    return Add( new wxSizerItem(width, height, flags) );
+}
+
+inline wxSizerItem*
+wxSizer::AddSpacer(int size)
+{
+    return Add(size, size);
+}
+
+inline wxSizerItem*
+wxSizer::AddStretchSpacer(int prop)
+{
+    return Add(0, 0, prop);
+}
+
+inline wxSizerItem*
+wxSizer::Prepend( wxSizerItem *item )
+{
+    return Insert( 0, item );
+}
+
+inline wxSizerItem*
+wxSizer::Prepend( wxWindow *window, int proportion, int flag, int border, wxObject* userData )
+{
+    return Prepend( new wxSizerItem( window, proportion, flag, border, userData ) );
+}
+
+inline wxSizerItem*
+wxSizer::Prepend( wxSizer *sizer, int proportion, int flag, int border, wxObject* userData )
+{
+    return Prepend( new wxSizerItem( sizer, proportion, flag, border, userData ) );
+}
+
+inline wxSizerItem*
+wxSizer::Prepend( int width, int height, int proportion, int flag, int border, wxObject* userData )
+{
+    return Prepend( new wxSizerItem( width, height, proportion, flag, border, userData ) );
+}
+
+inline wxSizerItem*
+wxSizer::PrependSpacer(int size)
+{
+    return Prepend(size, size);
+}
+
+inline wxSizerItem*
+wxSizer::PrependStretchSpacer(int prop)
+{
+    return Prepend(0, 0, prop);
+}
+
+inline wxSizerItem*
+wxSizer::Prepend( wxWindow *window, const wxSizerFlags& flags )
+{
+    return Prepend( new wxSizerItem(window, flags) );
+}
+
+inline wxSizerItem*
+wxSizer::Prepend( wxSizer *sizer, const wxSizerFlags& flags )
+{
+    return Prepend( new wxSizerItem(sizer, flags) );
+}
+
+inline wxSizerItem*
+wxSizer::Prepend( int width, int height, const wxSizerFlags& flags )
+{
+    return Prepend( new wxSizerItem(width, height, flags) );
+}
+
+inline wxSizerItem*
+wxSizer::Insert( size_t index,
+                 wxWindow *window,
+                 int proportion,
+                 int flag,
+                 int border,
+                 wxObject* userData )
+{
+    return Insert( index, new wxSizerItem( window, proportion, flag, border, userData ) );
+}
+
+inline wxSizerItem*
+wxSizer::Insert( size_t index,
+                 wxSizer *sizer,
+                 int proportion,
+                 int flag,
+                 int border,
+                 wxObject* userData )
+{
+    return Insert( index, new wxSizerItem( sizer, proportion, flag, border, userData ) );
+}
+
+inline wxSizerItem*
+wxSizer::Insert( size_t index,
+                 int width,
+                 int height,
+                 int proportion,
+                 int flag,
+                 int border,
+                 wxObject* userData )
+{
+    return Insert( index, new wxSizerItem( width, height, proportion, flag, border, userData ) );
+}
+
+inline wxSizerItem*
+wxSizer::Insert( size_t index, wxWindow *window, const wxSizerFlags& flags )
+{
+    return Insert( index, new wxSizerItem(window, flags) );
+}
+
+inline wxSizerItem*
+wxSizer::Insert( size_t index, wxSizer *sizer, const wxSizerFlags& flags )
+{
+    return Insert( index, new wxSizerItem(sizer, flags) );
+}
+
+inline wxSizerItem*
+wxSizer::Insert( size_t index, int width, int height, const wxSizerFlags& flags )
+{
+    return Insert( index, new wxSizerItem(width, height, flags) );
+}
+
+inline wxSizerItem*
+wxSizer::InsertSpacer(size_t index, int size)
+{
+    return Insert(index, size, size);
+}
+
+inline wxSizerItem*
+wxSizer::InsertStretchSpacer(size_t index, int prop)
+{
+    return Insert(index, 0, 0, prop);
+}
+
+#endif // __WXSIZER_H__