start of alpha transparency support

[wxWidgets.git] / include / wx / sizer.h

diff --git a/include/wx/sizer.h b/include/wx/sizer.h
index b46b5ec1b730352216629ced26b8ccb264b1f855..314d374d9f6d7afb6a316376fe95a8ece031d466 100644 (file)
--- a/include/wx/sizer.h
+++ b/include/wx/sizer.h
@@ -141,7 +141,7 @@ protected:
     int          m_border;
     int          m_flag;
 
-    // If TRUE, then this item is considered in the layout
+    // If true, then this item is considered in the layout
     // calculation.  Otherwise, it is skipped over.
     bool         m_show;
 
@@ -233,13 +233,13 @@ public:
     // use Detach instead.
     wxDEPRECATED( virtual bool Remove( wxWindow *window ) );
     virtual bool Remove( wxSizer *sizer );
-    virtual bool Remove( size_t index );
+    virtual bool Remove( int index );
 
     virtual bool Detach( wxWindow *window );
     virtual bool Detach( wxSizer *sizer );
-    virtual bool Detach( size_t index );
+    virtual bool Detach( int index );
 
-    virtual void Clear( bool delete_windows=FALSE );
+    virtual void Clear( bool delete_windows = false );
     virtual void DeleteWindows();
 
     void SetMinSize( int width, int height )
@@ -289,16 +289,16 @@ public:
 
     // Manage whether individual scene items are considered
     // in the layout calculations or not.
-    void Show( wxWindow *window, bool show = TRUE );
-    void Show( wxSizer *sizer, bool show = TRUE );
-    void Show( size_t index, bool show = TRUE );
+    void Show( wxWindow *window, bool show = true );
+    void Show( wxSizer *sizer, bool show = true );
+    void Show( size_t index, bool show = true );
 
     void Hide( wxSizer *sizer )
-        { Show( sizer, FALSE ); }
+        { Show( sizer, false ); }
     void Hide( wxWindow *window )
-        { Show( window, FALSE ); }
+        { Show( window, false ); }
     void Hide( size_t index )
-        { Show( index, FALSE ); }
+        { Show( index, false ); }
 
     bool IsShown( wxWindow *window ) const;
     bool IsShown( wxSizer *sizer ) const;
@@ -339,8 +339,8 @@ 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; }
@@ -370,28 +370,71 @@ private:
 // 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 );
 
-protected:
-    int         *m_rowHeights;
-    int         *m_colWidths;
-    wxArrayInt  m_growableRows;
-    wxArrayInt  m_growableCols;
 
-    void CreateArrays();
+    // 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; }
+
+
+    // implementation
+    virtual void RecalcSizes();
+    virtual wxSize CalcMin();
+
+protected:
+    // 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;
+
+    // parameters describing whether the growable cells should be resized in
+    // both directions or only one
+    int m_flexDirection;
+    wxFlexSizerGrowMode m_growMode;
 
 private:
     DECLARE_CLASS(wxFlexGridSizer);