X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f9b5691a1bd10b5aa6bd06526e325f0f6b4d3f98..4f2511d706e5274a34e1521e11c1b95fed735b42:/include/wx/sizer.h

diff --git a/include/wx/sizer.h b/include/wx/sizer.h
index db5322461c..771fcf5f1a 100644
--- a/include/wx/sizer.h
+++ b/include/wx/sizer.h
@@ -20,10 +20,10 @@
 // classes
 //---------------------------------------------------------------------------
 
-class WXDLLEXPORT wxButton;
-class WXDLLEXPORT wxBoxSizer;
-class WXDLLEXPORT wxSizerItem;
-class WXDLLEXPORT wxSizer;
+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__
@@ -38,7 +38,7 @@ class WXDLLEXPORT wxSizer;
 // wxSizerFlags: flags used for an item in the sizer
 // ----------------------------------------------------------------------------
 
-class WXDLLEXPORT wxSizerFlags
+class WXDLLIMPEXP_CORE wxSizerFlags
 {
 public:
     // construct the flags object initialized with the given proportion (0 by
@@ -58,35 +58,65 @@ public:
         return *this;
     }
 
-    wxSizerFlags& Align(int alignment) // combination of wxAlignment values
+    wxSizerFlags& Expand()
     {
-        m_flags &= ~wxALIGN_MASK;
-        m_flags |= alignment;
-
+        m_flags |= wxEXPAND;
         return *this;
     }
 
-    wxSizerFlags& Expand()
+    // notice that Align() replaces the current alignment flags, use specific
+    // methods below such as Top(), Left() &c if you want to set just the
+    // vertical or horizontal alignment
+    wxSizerFlags& Align(int alignment) // combination of wxAlignment values
     {
-        m_flags |= wxEXPAND;
+        m_flags &= ~wxALIGN_MASK;
+        m_flags |= alignment;
+
         return *this;
     }
 
     // some shortcuts for Align()
-    wxSizerFlags& Centre() { return Align(wxCENTRE); }
+    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); }
+
+    wxSizerFlags& Top() 
+    { 
+        m_flags &= ~(wxALIGN_BOTTOM | wxALIGN_CENTRE_VERTICAL); 
+        return *this; 
+    }
+
+    wxSizerFlags& Left() 
+    { 
+        m_flags &= ~(wxALIGN_RIGHT | wxALIGN_CENTRE_HORIZONTAL); 
+        return *this; 
+    }
+
+    wxSizerFlags& Right() 
+    { 
+        m_flags = (m_flags & ~wxALIGN_CENTRE_HORIZONTAL) | wxALIGN_RIGHT; 
+        return *this; 
+    }
+
+    wxSizerFlags& Bottom() 
+    { 
+        m_flags = (m_flags & ~wxALIGN_CENTRE_VERTICAL) | wxALIGN_BOTTOM; 
+        return *this; 
+    }
+
 
     // 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
@@ -170,6 +200,13 @@ public:
         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; }
@@ -186,7 +223,7 @@ private:
 // wxSizerSpacer: used by wxSizerItem to represent a spacer
 // ----------------------------------------------------------------------------
 
-class WXDLLEXPORT wxSizerSpacer
+class WXDLLIMPEXP_CORE wxSizerSpacer
 {
 public:
     wxSizerSpacer(const wxSize& size) : m_size(size), m_isShown(true) { }
@@ -209,7 +246,7 @@ private:
 // wxSizerItem
 // ----------------------------------------------------------------------------
 
-class WXDLLEXPORT wxSizerItem : public wxObject
+class WXDLLIMPEXP_CORE wxSizerItem : public wxObject
 {
 public:
     // window
@@ -224,7 +261,7 @@ public:
     {
         Init(flags);
 
-        SetWindow(window);
+        DoSetWindow(window);
     }
 
     // subsizer
@@ -239,7 +276,7 @@ public:
     {
         Init(flags);
 
-        SetSizer(sizer);
+        DoSetSizer(sizer);
     }
 
     // spacer
@@ -255,7 +292,7 @@ public:
     {
         Init(flags);
 
-        SetSpacer(width, height);
+        DoSetSpacer(wxSize(width, height));
     }
 
     wxSizerItem();
@@ -298,6 +335,11 @@ public:
 
     virtual wxRect GetRect() { return m_rect; }
 
+    // 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; }
@@ -327,10 +369,12 @@ public:
         { return m_kind == Item_Sizer ? m_sizer : NULL; }
     wxSize GetSpacer() const;
 
-    // this function behaves obviously for the windows and spacers but for the
+    // 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
+    // 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)
@@ -340,20 +384,57 @@ public:
     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 do not free old sizer/spacer
-    void SetWindow(wxWindow *window);
-    void SetSizer(wxSizer *sizer);
-    void SetSpacer(const wxSize& size);
-    void SetSpacer(int width, int height) { SetSpacer(wxSize(width, height)); }
+    // 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:
     // common part of several ctors
-    void Init() { m_userData = NULL; }
+    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
@@ -376,6 +457,7 @@ protected:
     int          m_proportion;
     int          m_border;
     int          m_flag;
+    int          m_id;
 
     // on screen rectangle of this item (not including borders)
     wxRect       m_rect;
@@ -399,7 +481,7 @@ WX_DECLARE_EXPORTED_LIST( wxSizerItem, wxSizerItemList );
 // wxSizer
 //---------------------------------------------------------------------------
 
-class WXDLLEXPORT wxSizer: public wxObject, public wxClientDataContainer
+class WXDLLIMPEXP_CORE wxSizer: public wxObject, public wxClientDataContainer
 {
 public:
     wxSizer() { m_containingWindow = NULL; }
@@ -425,6 +507,7 @@ public:
                      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);
@@ -455,6 +538,10 @@ public:
     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);
@@ -478,6 +565,7 @@ public:
                          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);
@@ -508,6 +596,11 @@ public:
     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( const wxSize& size )
@@ -538,26 +631,44 @@ public:
     // 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
 
     wxSizerItemList& GetChildren()
         { return m_children; }
     const wxSizerItemList& GetChildren() const
         { return m_children; }
 
-    void SetDimension( int x, int y, int width, int height );
+    void SetDimension(const wxPoint& pos, const wxSize& size)
+    {
+        m_position = pos;
+        m_size = size;
+        Layout();
+    }
+    void SetDimension(int x, int y, int width, int height)
+        { SetDimension(wxPoint(x, y), wxSize(width, 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.
@@ -590,8 +701,6 @@ protected:
     // the window this sizer is used in, can be NULL
     wxWindow *m_containingWindow;
 
-    wxSize GetMaxWindowSize( wxWindow *window ) const;
-    wxSize GetMinWindowSize( wxWindow *window );
     wxSize GetMaxClientSize( wxWindow *window ) const;
     wxSize GetMinClientSize( wxWindow *window );
     wxSize VirtualFitSize( wxWindow *window );
@@ -609,7 +718,7 @@ private:
 // wxGridSizer
 //---------------------------------------------------------------------------
 
-class WXDLLEXPORT wxGridSizer: public wxSizer
+class WXDLLIMPEXP_CORE wxGridSizer: public wxSizer
 {
 public:
     wxGridSizer( int rows, int cols, int vgap, int hgap );
@@ -660,7 +769,7 @@ enum wxFlexSizerGrowMode
     wxFLEX_GROWMODE_ALL
 };
 
-class WXDLLEXPORT wxFlexGridSizer: public wxGridSizer
+class WXDLLIMPEXP_CORE wxFlexGridSizer: public wxGridSizer
 {
 public:
     // ctors/dtor
@@ -676,6 +785,8 @@ public:
     void AddGrowableCol( size_t idx, int proportion = 0 );
     void RemoveGrowableCol( size_t idx );
 
+    bool IsRowGrowable( size_t idx );
+    bool IsColGrowable( 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
@@ -699,8 +810,8 @@ public:
 
 protected:
     void AdjustForFlexDirection();
-    void AdjustForGrowables(const wxSize& sz, const wxSize& minsz,
-                            int nrows, int ncols);
+    void AdjustForGrowables(const wxSize& sz);
+    void FindWidthsAndHeights(int nrows, int ncols);
 
     // the heights/widths of all rows/columns
     wxArrayInt  m_rowHeights,
@@ -731,27 +842,84 @@ private:
 // wxBoxSizer
 //---------------------------------------------------------------------------
 
-class WXDLLEXPORT wxBoxSizer: public wxSizer
+class WXDLLIMPEXP_CORE 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() const { return m_orient; }
 
-    int GetOrientation() const
-        { return m_orient; }
+    bool IsVertical() const { return m_orient == wxVERTICAL; }
 
-    void SetOrientation(int orient)
-        { m_orient = orient; }
+    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)
@@ -763,9 +931,9 @@ private:
 
 #if wxUSE_STATBOX
 
-class WXDLLEXPORT wxStaticBox;
+class WXDLLIMPEXP_FWD_CORE wxStaticBox;
 
-class WXDLLEXPORT wxStaticBoxSizer: public wxBoxSizer
+class WXDLLIMPEXP_CORE wxStaticBoxSizer: public wxBoxSizer
 {
 public:
     wxStaticBoxSizer(wxStaticBox *box, int orient);
@@ -797,7 +965,7 @@ private:
 
 #if wxUSE_BUTTON
 
-class WXDLLEXPORT wxStdDialogButtonSizer: public wxBoxSizer
+class WXDLLIMPEXP_CORE wxStdDialogButtonSizer: public wxBoxSizer
 {
 public:
     // Constructor just creates a new wxBoxSizer, not much else.
@@ -831,10 +999,10 @@ public:
 
 protected:
     wxButton *m_buttonAffirmative;  // wxID_OK, wxID_YES, wxID_SAVE go here
-    wxButton *m_buttonApply;
+    wxButton *m_buttonApply;        // wxID_APPLY
     wxButton *m_buttonNegative;     // wxID_NO
-    wxButton *m_buttonCancel;
-    wxButton *m_buttonHelp;
+    wxButton *m_buttonCancel;       // wxID_CANCEL, wxID_CLOSE
+    wxButton *m_buttonHelp;         // wxID_HELP, wxID_CONTEXT_HELP
 
 private:
     DECLARE_CLASS(wxStdDialogButtonSizer)
@@ -843,74 +1011,35 @@ private:
 
 #endif // wxUSE_BUTTON
 
-#if WXWIN_COMPATIBILITY_2_4
-// NB: wxBookCtrlSizer and wxNotebookSizer are deprecated, they
-//     don't do anything. wxBookCtrlBase::DoGetBestSize does the job now.
 
 // ----------------------------------------------------------------------------
-// wxBookCtrlSizer
+// inline functions implementation
 // ----------------------------------------------------------------------------
 
-#if wxUSE_BOOKCTRL
-
-// this sizer works with wxNotebook/wxListbook/... and sizes the control to
-// fit its pages
-class WXDLLEXPORT wxBookCtrlBase;
+#if WXWIN_COMPATIBILITY_2_8
 
-class WXDLLEXPORT wxBookCtrlSizer : public wxSizer
+inline void wxSizerItem::SetWindow(wxWindow *window)
 {
-public:
-#if WXWIN_COMPATIBILITY_2_6
-    wxDEPRECATED( wxBookCtrlSizer(wxBookCtrlBase *bookctrl) );
-#endif // WXWIN_COMPATIBILITY_2_6
-
-    wxBookCtrlBase *GetControl() const { return m_bookctrl; }
-
-    virtual void RecalcSizes();
-    virtual wxSize CalcMin();
-
-protected:
-    // this protected ctor lets us mark the real one above as deprecated
-    // and still have warning-free build of the library itself:
-    wxBookCtrlSizer() {}
-
-    wxBookCtrlBase *m_bookctrl;
-
-private:
-    DECLARE_CLASS(wxBookCtrlSizer)
-    DECLARE_NO_COPY_CLASS(wxBookCtrlSizer)
-};
-
-
-#if wxUSE_NOTEBOOK
-
-// before wxBookCtrlBase we only had wxNotebookSizer, keep it for backwards
-// compatibility
-class WXDLLEXPORT wxNotebook;
+    DoSetWindow(window);
+}
 
-class WXDLLEXPORT wxNotebookSizer : public wxBookCtrlSizer
+inline void wxSizerItem::SetSizer(wxSizer *sizer)
 {
-public:
-#if WXWIN_COMPATIBILITY_2_6
-    wxDEPRECATED( wxNotebookSizer(wxNotebook *nb) );
-#endif // WXWIN_COMPATIBILITY_2_6
-
-    wxNotebook *GetNotebook() const { return (wxNotebook *)m_bookctrl; }
+    DoSetSizer(sizer);
+}
 
-private:
-    DECLARE_CLASS(wxNotebookSizer)
-    DECLARE_NO_COPY_CLASS(wxNotebookSizer)
-};
+inline void wxSizerItem::SetSpacer(const wxSize& size)
+{
+    DoSetSpacer(size);
+}
 
-#endif // wxUSE_NOTEBOOK
+inline void wxSizerItem::SetSpacer(int width, int height)
+{ 
+    DoSetSpacer(wxSize(width, height)); 
+} 
 
-#endif // wxUSE_BOOKCTRL
+#endif // WXWIN_COMPATIBILITY_2_8
 
-#endif // WXWIN_COMPATIBILITY_2_4
-
-// ----------------------------------------------------------------------------
-// inline functions implementation
-// ----------------------------------------------------------------------------
 
 inline wxSizerItem*
 wxSizer::Add( wxSizerItem *item )
@@ -948,6 +1077,12 @@ 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)
 {
@@ -1008,6 +1143,12 @@ 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,
@@ -1054,6 +1195,12 @@ 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)
 {
@@ -1066,5 +1213,4 @@ wxSizer::InsertStretchSpacer(size_t index, int prop)
     return Insert(index, 0, 0, prop);
 }
 
-
 #endif // __WXSIZER_H__