toolkit/source/layout/core/box.hxx

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  31
  32 #ifndef LAYOUT_CORE_BOX_HXX
  33 #define LAYOUT_CORE_BOX_HXX
  34
  35 #include <layout/core/box-base.hxx>
  36
  37 #include <com/sun/star/awt/Point.hpp>
  38
  39 namespace layoutimpl
  40 {
  41
  42 class Box : public Box_Base
  43 {
  44 protected:
  45     // Box properties (i.e. affect all children)
  46     sal_Int32 mnSpacing;
  47     sal_Bool mbHomogeneous;
  48     sal_Bool mbHorizontal;  // false for Vertical
  49     bool mbHasFlowChildren;
  50
  51 public:
  52     // Children properties
  53     struct ChildData : public Box_Base::ChildData
  54     {
  55         sal_Int32 mnPadding;
  56         sal_Bool mbExpand;
  57         sal_Bool mbFill;
  58         ChildData( css::uno::Reference< css::awt::XLayoutConstrains > const& xChild );
  59     };
  60
  61     struct ChildProps : public Box_Base::ChildProps
  62     {
  63         ChildProps( ChildData *pData );
  64     };
  65
  66 protected:
  67     ChildData *createChild( css::uno::Reference< css::awt::XLayoutConstrains > const& xChild );
  68     ChildProps *createChildProps( Box_Base::ChildData* pData );
  69
  70 public:
  71     Box( bool horizontal );
  72
  73     virtual void SAL_CALL allocateArea( const css::awt::Rectangle &rArea )
  74         throw (css::uno::RuntimeException);
  75
  76     virtual css::awt::Size SAL_CALL getMinimumSize()
  77         throw(css::uno::RuntimeException);
  78     virtual sal_Bool SAL_CALL hasHeightForWidth()
  79         throw(css::uno::RuntimeException);
  80     virtual sal_Int32 SAL_CALL getHeightForWidth( sal_Int32 nWidth )
  81         throw(css::uno::RuntimeException);
  82
  83     // helper: mix of getMinimumSize() and getHeightForWidth()
  84     css::awt::Size calculateSize( long nWidth = 0 );
  85
  86 private:
  87     /* Helpers to deal with the joint Box directions. */
  88     inline int primDim (const css::awt::Size &size)
  89     { if (mbHorizontal) return size.Width; else return size.Height; }
  90     inline int secDim (const css::awt::Size &size)
  91     { if (mbHorizontal) return size.Height; else return size.Width; }
  92     inline int primDim (const css::awt::Point &point)
  93     { if (mbHorizontal) return point.X; else return point.Y; }
  94     inline int secDim (const css::awt::Point &point)
  95     { if (mbHorizontal) return point.Y; else return point.X; }
  96 };
  97
  98 struct VBox : public Box
  99 { VBox() : Box (false) {} };
 100
 101 struct HBox : public Box
 102 { HBox() : Box (true) {} };
 103
 104 } //  namespace layoutimpl
 105
 106 #endif /* LAYOUT_CORE_BOX_HXX */