+ // the window this sizer is used in, can be NULL
+ wxWindow *m_containingWindow;
+
+ wxSize GetMaxClientSize( wxWindow *window ) const;
+ wxSize GetMinClientSize( 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( size_t index, int width, int height );
+
+ // insert a new item into m_children at given index and return the item
+ // itself
+ virtual wxSizerItem* DoInsert(size_t index, wxSizerItem *item);
+
+private:
+ DECLARE_CLASS(wxSizer)
+};
+
+//---------------------------------------------------------------------------
+// wxGridSizer
+//---------------------------------------------------------------------------
+
+class WXDLLIMPEXP_CORE wxGridSizer: public wxSizer
+{
+public:
+ // ctors specifying the number of columns only: number of rows will be
+ // deduced automatically depending on the number of sizer elements
+ wxGridSizer( int cols, int vgap, int hgap );
+ wxGridSizer( int cols, const wxSize& gap = wxSize(0, 0) );
+
+ // ctors specifying the number of rows and columns
+ wxGridSizer( int rows, int cols, int vgap, int hgap );
+ wxGridSizer( int rows, int cols, const wxSize& gap );
+
+ virtual void RecalcSizes();
+ virtual wxSize CalcMin();
+
+ void SetCols( int cols )
+ {
+ wxASSERT_MSG( cols >= 0, "Number of columns must be non-negative");
+ m_cols = cols;
+ }
+
+ void SetRows( int rows )
+ {
+ wxASSERT_MSG( rows >= 0, "Number of rows must be non-negative");
+ m_rows = rows;
+ }
+
+ void SetVGap( int gap ) { m_vgap = gap; }
+ void SetHGap( int gap ) { m_hgap = gap; }
+ int GetCols() const { return m_cols; }
+ int GetRows() const { return m_rows; }
+ int GetVGap() const { return m_vgap; }
+ int GetHGap() const { return m_hgap; }
+
+ int GetEffectiveColsCount() const { return m_cols ? m_cols : CalcCols(); }
+ int GetEffectiveRowsCount() const { return m_rows ? m_rows : CalcRows(); }
+
+ // return the number of total items and the number of columns and rows
+ // (for internal use only)
+ int CalcRowsCols(int& rows, int& cols) const;
+
+protected:
+ // the number of rows/columns in the sizer, if 0 then it is determined
+ // dynamically depending on the total number of items
+ int m_rows;
+ int m_cols;
+
+ // gaps between rows and columns
+ int m_vgap;
+ int m_hgap;
+
+ virtual wxSizerItem *DoInsert(size_t index, wxSizerItem *item);
+
+ void SetItemBounds( wxSizerItem *item, int x, int y, int w, int h );
+
+ // returns the number of columns/rows needed for the current total number
+ // of children (and the fixed number of rows/columns)
+ int CalcCols() const
+ {
+ wxCHECK_MSG
+ (
+ m_rows, 0,
+ "Can't calculate number of cols if number of rows is not specified"
+ );
+
+ return (m_children.GetCount() + m_rows - 1) / m_rows;
+ }
+
+ int CalcRows() const
+ {
+ wxCHECK_MSG
+ (
+ m_cols, 0,
+ "Can't calculate number of cols if number of rows is not specified"
+ );
+
+ return (m_children.GetCount() + m_cols - 1) / m_cols;
+ }
+
+private:
+ DECLARE_CLASS(wxGridSizer)
+};
+
+//---------------------------------------------------------------------------
+// wxFlexGridSizer
+//---------------------------------------------------------------------------
+
+// values which define the behaviour 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 WXDLLIMPEXP_CORE wxFlexGridSizer: public wxGridSizer
+{
+public:
+ // ctors specifying the number of columns only: number of rows will be
+ // deduced automatically depending on the number of sizer elements
+ wxFlexGridSizer( int cols, int vgap, int hgap );
+ wxFlexGridSizer( int cols, const wxSize& gap = wxSize(0, 0) );
+
+ // ctors specifying the number of rows and columns
+ wxFlexGridSizer( int rows, int cols, int vgap, int hgap );
+ wxFlexGridSizer( int rows, int cols, const wxSize& gap );
+
+ // dtor
+ virtual ~wxFlexGridSizer();
+
+ // 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, 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
+
+ // 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:
+ 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;
+
+ // 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)
+ wxDECLARE_NO_COPY_CLASS(wxFlexGridSizer);
projects / wxWidgets.git / blobdiff