wxSizerItem* Add( int width, int height, const wxSizerFlags& flags);
wxSizerItem* Add( wxSizerItem *item);
- wxSizerItem* AddSpacer(int size);
+ virtual wxSizerItem *AddSpacer(int size);
wxSizerItem* AddStretchSpacer(int prop = 1);
wxSizerItem* Insert(size_t index,
int width,
int height,
const wxSizerFlags& flags);
- virtual wxSizerItem* Insert( size_t index, wxSizerItem *item);
+
+ // NB: do _not_ override this function in the derived classes, this one is
+ // virtual for compatibility reasons only to allow old code overriding
+ // it to continue to work, override DoInsert() instead in the new code
+ virtual wxSizerItem* Insert(size_t index, wxSizerItem *item);
wxSizerItem* InsertSpacer(size_t index, int size);
wxSizerItem* InsertStretchSpacer(size_t index, int prop = 1);
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( int rows, int cols, int vgap, int hgap );
wxGridSizer( int rows, int cols, const wxSize& gap );
- virtual wxSizerItem *Insert(size_t index, wxSizerItem *item);
-
virtual void RecalcSizes();
virtual wxSize CalcMin();
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)
};
wxT("invalid value for wxBoxSizer orientation") );
}
+ virtual wxSizerItem *AddSpacer(int size);
+
int GetOrientation() const { return m_orient; }
bool IsVertical() const { return m_orient == wxVERTICAL; }
#endif // WXWIN_COMPATIBILITY_2_8
+inline wxSizerItem*
+wxSizer::Insert(size_t index, wxSizerItem *item)
+{
+ return DoInsert(index, item);
+}
+
inline wxSizerItem*
wxSizer::Add( wxSizerItem *item )