dw_simple_container.hh

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#ifndef __DW_SIMPLE_CONTAINER_HH__
#define __DW_SIMPLE_CONTAINER_HH__
 
#include "dw/core.hh"
 
namespace dw {
 
class SimpleContainer: public core::Widget
{
private:
   class SimpleContainerIterator: public core::Iterator
   {
   private:
      int index ();
 
   public:
      SimpleContainerIterator (SimpleContainer *simpleContainer,
                               core::Content::Type mask,
                      bool atEnd);
 
      lout::object::Object *clone ();
      int compareTo (lout::object::Comparable *other);
 
      bool next ();
      bool prev ();
      void highlight (int start, int end, core::HighlightLayer layer);
      void unhighlight (int direction, core::HighlightLayer layer);
      void getAllocation (int start, int end, core::Allocation *allocation);
   };
 
   Widget *child;
 
protected:
   void sizeRequestSimpl (core::Requisition *requisition);
   void getExtremesSimpl (core::Extremes *extremes);
   void sizeAllocateImpl (core::Allocation *allocation);
 
public:
   static int CLASS_ID;
 
   SimpleContainer ();
   ~SimpleContainer ();
 
   void draw (core::View *view, core::Rectangle *area,
              core::DrawingContext *context);
   core::Iterator *iterator (core::Content::Type mask, bool atEnd);
   void removeChild (Widget *child);
 
   void setChild (core::Widget *child);
};
 
} // namespace dw
 
#endif // __DW_SIMPLE_CONTAINER_HH__