include/svtools/toolpanel/decklayouter.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef INCLUDED_SVTOOLS_TOOLPANEL_DECKLAYOUTER_HXX
  21 #define INCLUDED_SVTOOLS_TOOLPANEL_DECKLAYOUTER_HXX
  22
  23 #include <com/sun/star/uno/Reference.hxx>
  24
  25 #include <rtl/ref.hxx>
  26 #include <salhelper/simplereferenceobject.hxx>
  27
  28 #include <boost/optional.hpp>
  29
  30 namespace com { namespace sun { namespace star { namespace accessibility {
  31     class XAccessible;
  32 } } } }
  33 class Rectangle;
  34 class Point;
  35
  36
  37 namespace svt
  38 {
  39
  40
  41
  42     //= IDeckLayouter
  43
  44     class IDeckLayouter : public salhelper::SimpleReferenceObject
  45     {
  46     public:
  47         /** re-arranges the elements of the tool deck, taking into account the
  48             available space for the complete deck.
  49
  50             @param i_rDeckPlayground
  51                 the playground for the complete tool panel deck
  52             @return
  53                 the content area for a single tool panel
  54         */
  55         virtual ::Rectangle Layout( const ::Rectangle& i_rDeckPlayground ) = 0;
  56
  57         /** destroys the instance
  58
  59             Since the layouter is ref-counted, but might keep references to non-ref-counted objects
  60             (in particular, the ToolPanelDeck, which is a VCL-Window, and thus cannot be ref-counted),
  61             Destroy is the definitive way to dispose the instance. Technically, it's still alive afterwards,
  62             but non-functional.
  63         */
  64         virtual void        Destroy() = 0;
  65
  66         /** assuming that a layouter neesds to provide some kind of panel selector control, this method
  67             requests to set the focus to this control.
  68         */
  69         virtual void        SetFocusToPanelSelector() = 0;
  70
  71         /** returns the number of components in the XAccessible hierarchy which are needed to represent all elements
  72             the layouter is responsible form.
  73
  74             Note that the implementation must guarantee that the count is fixed over the life time of the layouter.
  75         */
  76         virtual size_t      GetAccessibleChildCount() const = 0;
  77
  78         /** retrieves the XAccessible implementation for the <code>i_nChildIndex</code>'th child in the XAccessible
  79             hierarchy.
  80         */
  81         virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >
  82                             GetAccessibleChild(
  83                                 const size_t i_nChildIndex,
  84                                 const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >& i_rParentAccessible
  85                             ) = 0;
  86
  87         virtual ~IDeckLayouter()
  88         {
  89         }
  90     };
  91
  92     typedef ::rtl::Reference< IDeckLayouter >   PDeckLayouter;
  93
  94
  95 } // namespace svt
  96
  97
  98 #endif // INCLUDED_SVTOOLS_TOOLPANEL_DECKLAYOUTER_HXX
  99
 100 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */