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28 : :
29 : : #ifndef SD_TOOLPANEL_I_LAYOUTABLE_WINDOW_HXX
30 : : #define SD_TOOLPANEL_I_LAYOUTABLE_WINDOW_HXX
31 : :
32 : : #include <tools/gen.hxx>
33 : : #include <sal/types.h>
34 : :
35 : : class Window;
36 : :
37 : : namespace sd { namespace toolpanel {
38 : :
39 : :
40 : 47 : class ILayouter
41 : : {
42 : : public:
43 : : /** This method is called by layoutable controls when they have to be
44 : : resized.
45 : : */
46 : : virtual void RequestResize (void) = 0;
47 : :
48 : : protected:
49 : 47 : ~ILayouter() {}
50 : : };
51 : :
52 : :
53 : :
54 : : /** This interface has to be implemented by windows that want to be
55 : : layouted by a SubToolPanel or ScrollablePanel object.
56 : : */
57 : 47 : class ILayoutableWindow
58 : : {
59 : : public:
60 [ - + ]: 47 : virtual ~ILayoutableWindow (void) {};
61 : :
62 : : /** Return the preferred size without constraints on either the
63 : : height or the width.
64 : : The size the window will later be set to may but does not have
65 : : to be equal to this size.
66 : : */
67 : : virtual Size GetPreferredSize (void) = 0;
68 : :
69 : : /** Return the preferred width with the constraint, that the
70 : : window will be set to the given height.
71 : : The width the window will later be set to may but does not have
72 : : to be equal to this width.
73 : : */
74 : : virtual sal_Int32 GetPreferredWidth (sal_Int32 nHeight) = 0;
75 : :
76 : : /** Return the preferred height with the constraint, that the
77 : : window will be set to the given width.
78 : : The height the window will later be set to may but does not have
79 : : to be equal to this height.
80 : : */
81 : : virtual sal_Int32 GetPreferredHeight (sal_Int32 nWidth) = 0;
82 : :
83 : : /** Return whether the window is generally resizable. When used by
84 : : a VerticalLayouter then the width will always be resized and
85 : : the return value of this method determines whether the height
86 : : may be modified as well.
87 : : */
88 : : virtual bool IsResizable (void) = 0;
89 : :
90 : : /** Return the window so that its size and position can be set.
91 : : @return
92 : : Returns the window which is layouted or NULL to indicate
93 : : that the object is in an invalid state.
94 : : */
95 : : virtual ::Window* GetWindow (void) = 0;
96 : :
97 : : /** Return the minimal width of the window.
98 : : */
99 : : virtual sal_Int32 GetMinimumWidth (void) = 0;
100 : : };
101 : :
102 : :
103 : :
104 : : } } // end of namespace ::sd::toolpanel
105 : :
106 : : #endif
107 : :
108 : : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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