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21 
22 #ifndef SFX_SIDEBAR_LAYOUTABLE_WINDOW_INTERFACE_HXX
23 #define SFX_SIDEBAR_LAYOUTABLE_WINDOW_INTERFACE_HXX
24 
25 #include "sfx2/dllapi.h"
26 #include <tools/gen.hxx>
27 #include <sal/types.h>
28 
29 #include <com/sun/star/ui/LayoutSize.hpp>
30 
31 class Window;
32 
33 namespace sfx2 { namespace sidebar {
34 
35 
36 class SFX2_DLLPUBLIC ILayoutableWindow
37 {
38 public:
39     virtual ~ILayoutableWindow (void);
40 
41     /** Return the preferred height with the constraint, that the
42         window will be set to the given width.
43     */
44     virtual ::com::sun::star::ui::LayoutSize GetHeightForWidth (const sal_Int32 nWidth) = 0;
45 };
46 
47 
48 } } // end of namespace ::sd::sidebar
49 
50 #endif
51