xref: /trunk/main/toolkit/source/layout/core/bin.hxx (revision cdf0e10c)
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27 
28 /* A few simple binary containers */
29 
30 #ifndef LAYOUT_CORE_BIN_HXX
31 #define LAYOUT_CORE_BIN_HXX
32 
33 #include <layout/core/container.hxx>
34 
35 namespace layoutimpl
36 {
37 
38 class Bin : public Container
39 {
40 protected:
41     // Child
42     css::awt::Size maChildRequisition;
43     css::uno::Reference< css::awt::XLayoutConstrains > mxChild;
44 
45 public:
46     Bin();
47     virtual ~Bin() {}
48 
49     // css::awt::XLayoutContainer
50     virtual void SAL_CALL addChild( const css::uno::Reference< css::awt::XLayoutConstrains >& Child )
51         throw (css::uno::RuntimeException, css::awt::MaxChildrenException);
52     virtual void SAL_CALL removeChild( const css::uno::Reference< css::awt::XLayoutConstrains >& Child )
53         throw (css::uno::RuntimeException);
54 
55     virtual css::uno::Sequence< css::uno::Reference
56                 < css::awt::XLayoutConstrains > > SAL_CALL getChildren()
57         throw (css::uno::RuntimeException);
58 
59     virtual void SAL_CALL allocateArea( const css::awt::Rectangle &rArea )
60         throw (css::uno::RuntimeException);
61 
62     virtual css::uno::Reference< css::beans::XPropertySet > SAL_CALL getChildProperties(
63         const css::uno::Reference< css::awt::XLayoutConstrains >& Child )
64         throw (css::uno::RuntimeException);
65 
66     virtual sal_Bool SAL_CALL hasHeightForWidth()
67         throw(css::uno::RuntimeException);
68     virtual sal_Int32 SAL_CALL getHeightForWidth( sal_Int32 nWidth )
69         throw(css::uno::RuntimeException);
70 
71     // css::awt::XLayoutConstrains
72     virtual css::awt::Size SAL_CALL getMinimumSize()
73         throw(css::uno::RuntimeException);
74 };
75 
76 // Align gives control over child position on the allocated space.
77 class Align : public Bin
78 {
79     friend class AlignChildProps;
80 protected:
81     // properties
82     float fHorAlign, fVerAlign;
83     float fHorFill, fVerFill;
84 
85 public:
86     Align();
87 
88     bool emptyVisible ();
89 
90     // css::awt::XLayoutContainer
91     virtual void SAL_CALL allocateArea( const css::awt::Rectangle &rArea )
92         throw (css::uno::RuntimeException);
93 };
94 
95 // Makes child request its or a specified size, whatever is larger.
96 class MinSize : public Bin
97 {
98 protected:
99     // properties
100     long mnMinWidth, mnMinHeight;
101 
102 public:
103     MinSize();
104 
105     bool emptyVisible ();
106     // css::awt::XLayoutContainer
107     virtual css::awt::Size SAL_CALL getMinimumSize()
108         throw(css::uno::RuntimeException);
109 };
110 
111 } //  namespace layoutimpl
112 
113 #endif /* LAYOUT_CORE_BIN_HXX */
114