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21 
22 #ifndef SVX_SIDEBAR_COLOR_PANEL_HXX
23 #define SVX_SIDEBAR_COLOR_PANEL_HXX
24 
25 #include <svtools/valueset.hxx>
26 #include <vcl/window.hxx>
27 
28 
29 namespace svx { namespace sidebar {
30 
31 
32 /** This demo panel shows the colors that are available from the
33     StyleSettings.
34 */
35 class ColorPanel
36     : public ValueSet
37 {
38 public:
39     ColorPanel (::Window* pParent);
40     virtual ~ColorPanel (void);
41 
42     // From ::Window
43     virtual void Resize (void);
44     virtual void DataChanged (const DataChangedEvent& rEvent);
45 
46 private:
47     int mnPreferredColumnCount;
48 
49     /** Depending on the given number of columns and the item size
50         calculate the number of rows that are necessary to display all
51         items.
52     */
53     int CalculateRowCount (const Size& rItemSize, int nColumnCount);
54     void Fill (void);
55 
56     sal_Int32 GetPreferredHeight (sal_Int32 nWidth);
57 };
58 
59 } } // end of namespace ::svx::sidebar
60 
61 #endif
62