toolkit/source/layout/core/bin.hxx

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  31
  32 /* A few simple binary containers */
  33
  34 #ifndef LAYOUT_CORE_BIN_HXX
  35 #define LAYOUT_CORE_BIN_HXX
  36
  37 #include <layout/core/container.hxx>
  38
  39 namespace layoutimpl
  40 {
  41
  42 class Bin : public Container
  43 {
  44 protected:
  45     // Child
  46     css::awt::Size maChildRequisition;
  47     css::uno::Reference< css::awt::XLayoutConstrains > mxChild;
  48
  49 public:
  50     Bin();
  51     virtual ~Bin() {}
  52
  53     // css::awt::XLayoutContainer
  54     virtual void SAL_CALL addChild( const css::uno::Reference< css::awt::XLayoutConstrains >& Child )
  55         throw (css::uno::RuntimeException, css::awt::MaxChildrenException);
  56     virtual void SAL_CALL removeChild( const css::uno::Reference< css::awt::XLayoutConstrains >& Child )
  57         throw (css::uno::RuntimeException);
  58
  59     virtual css::uno::Sequence< css::uno::Reference
  60                 < css::awt::XLayoutConstrains > > SAL_CALL getChildren()
  61         throw (css::uno::RuntimeException);
  62
  63     virtual void SAL_CALL allocateArea( const css::awt::Rectangle &rArea )
  64         throw (css::uno::RuntimeException);
  65
  66     virtual css::uno::Reference< css::beans::XPropertySet > SAL_CALL getChildProperties(
  67         const css::uno::Reference< css::awt::XLayoutConstrains >& Child )
  68         throw (css::uno::RuntimeException);
  69
  70     virtual sal_Bool SAL_CALL hasHeightForWidth()
  71         throw(css::uno::RuntimeException);
  72     virtual sal_Int32 SAL_CALL getHeightForWidth( sal_Int32 nWidth )
  73         throw(css::uno::RuntimeException);
  74
  75     // css::awt::XLayoutConstrains
  76     virtual css::awt::Size SAL_CALL getMinimumSize()
  77         throw(css::uno::RuntimeException);
  78 };
  79
  80 // Align gives control over child position on the allocated space.
  81 class Align : public Bin
  82 {
  83     friend class AlignChildProps;
  84 protected:
  85     // properties
  86     float fHorAlign, fVerAlign;
  87     float fHorFill, fVerFill;
  88
  89 public:
  90     Align();
  91
  92     bool emptyVisible ();
  93
  94     // css::awt::XLayoutContainer
  95     virtual void SAL_CALL allocateArea( const css::awt::Rectangle &rArea )
  96         throw (css::uno::RuntimeException);
  97 };
  98
  99 // Makes child request its or a specified size, whatever is larger.
 100 class MinSize : public Bin
 101 {
 102 protected:
 103     // properties
 104     long mnMinWidth, mnMinHeight;
 105
 106 public:
 107     MinSize();
 108
 109     bool emptyVisible ();
 110     // css::awt::XLayoutContainer
 111     virtual css::awt::Size SAL_CALL getMinimumSize()
 112         throw(css::uno::RuntimeException);
 113 };
 114
 115 } //  namespace layoutimpl
 116
 117 #endif /* LAYOUT_CORE_BIN_HXX */