toolkit/source/layout/core/flow.hxx

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  31
  32 #ifndef LAYOUT_CORE_FLOW_HXX
  33 #define LAYOUT_CORE_FLOW_HXX
  34
  35 #include <layout/core/container.hxx>
  36
  37 #include <list>
  38
  39 namespace layoutimpl
  40 {
  41
  42 class Flow : public Container
  43 {
  44 protected:
  45     // Box properties (i.e. affect all children)
  46     sal_Int32 mnSpacing;
  47     sal_Bool mbHomogeneous;
  48
  49 public:
  50     // Children properties
  51     struct ChildData
  52     {
  53         css::awt::Size aRequisition;
  54         css::uno::Reference< css::awt::XLayoutConstrains > xChild;
  55         css::uno::Reference< css::beans::XPropertySet >    xProps;
  56         bool isVisible();
  57     };
  58
  59 protected:
  60     std::list< ChildData * > maChildren;
  61     long mnEachWidth;  // on homogeneous, the width of every child
  62
  63 public:
  64     Flow();
  65
  66     bool emptyVisible ();
  67
  68     // css::awt::XLayoutContainer
  69     virtual void SAL_CALL addChild( const css::uno::Reference< css::awt::XLayoutConstrains >& Child )
  70         throw (css::uno::RuntimeException, css::awt::MaxChildrenException);
  71     virtual void SAL_CALL removeChild( const css::uno::Reference< css::awt::XLayoutConstrains >& Child )
  72         throw (css::uno::RuntimeException);
  73
  74     virtual css::uno::Sequence< css::uno::Reference
  75                                 < css::awt::XLayoutConstrains > > SAL_CALL getChildren()
  76         throw (css::uno::RuntimeException);
  77
  78     virtual css::uno::Reference< css::beans::XPropertySet > SAL_CALL getChildProperties(
  79         const css::uno::Reference< css::awt::XLayoutConstrains >& Child )
  80         throw (css::uno::RuntimeException);
  81
  82     virtual void SAL_CALL allocateArea( const css::awt::Rectangle &rArea )
  83         throw (css::uno::RuntimeException);
  84
  85     virtual css::awt::Size SAL_CALL getMinimumSize()
  86         throw(css::uno::RuntimeException);
  87     virtual sal_Bool SAL_CALL hasHeightForWidth()
  88         throw(css::uno::RuntimeException);
  89     virtual sal_Int32 SAL_CALL getHeightForWidth( sal_Int32 nWidth )
  90         throw(css::uno::RuntimeException);
  91
  92 private:
  93     // shared between getMinimumSize() and getHeightForWidth()
  94     css::awt::Size calculateSize( long nMaxWidth );
  95 };
  96
  97 } //  namespace layoutimpl
  98
  99 #endif /* LAYOUT_FLOW_CORE_HXX */