#ifndef GUIFIXED_HEADER
#define GUIFIXED_HEADER 1
//////////////////////////////////////////////////////////
//! rcsid="$Id: Fixed.hh,v 1.6 2000/07/07 12:59:12 ees1cg Exp $"
//! file="amma/GUI/GTK/Fixed.hh"
//! lib=GUI
//! docentry="GUI.Widget"
//! author="Charles Galambos"
//! date="17/06/99"

#include "amma/GUI/CWidget.hh"
#include "amma/Pixel.hh"
#include "amma/PThread/MsgPipe.hh"
#include "amma/Tuple2.hh"
#include "amma/HashAR.hh"

//! userlevel=Develop
//: Fixed layout widget.

class GUIFixedWidgetBodyC
  : public GUIContainerWidgetBodyC
{
public:
  GUIFixedWidgetBodyC();
  //: Default constructor.
  
  virtual BooleanT Create();
  //: Create the widget.
  
  virtual BooleanT Service();
  //: Service render request.

  BooleanT Move(GUIWidgetC &widge,PixelC where);
  //: Move a widget.
  // Must be called from the GUI thread.
  
  virtual BooleanT Add(const GUIWidgetC &widge);
  //: Add a child widget.
  // Must be called from the GUI thread.
  
  void AddWidget(const GUIWidgetC &newun,PixelC where);
  //: Add new widget.
  // Thread safe.
  
  void GUIAddWidget(GUIWidgetC &newun,PixelC &where);
  //: Add new widget.
  // GUI thread only.
  
protected:
  virtual PixelC Position(const GUIWidgetC &widge);
  //: Where should we place this widget.
  
  HashARC<GUIWidgetC,PixelC> where; // Table of widget locations.
  PThread::MsgPipeC<Tuple2C<GUIWidgetC,PixelC> > newuns; // Widgets mods.
  
  int defaultPos;
};

//! userlevel=Normal
//: Fixed layout widget.

class GUIFixedWidgetC
  : public GUIContainerWidgetC
{
public:
  GUIFixedWidgetC()
    : DPEntityC(aTRUE)
    {}
  //: Default constructor.
  // Creates an invalid handle.
  
  GUIFixedWidgetC(BooleanT)
    : DPEntityC(*new GUIFixedWidgetBodyC())
    {}
  //: Default constructor.
  // Creates an invalid handle.
  
protected:
  GUIFixedWidgetC(GUIFixedWidgetBodyC &bod)
    : DPEntityC(bod)
    {}
  //: Body constructor.
  
  GUIFixedWidgetBodyC &Body()
    { return dynamic_cast<GUIFixedWidgetBodyC &>(DPEntityC::Body()); }
  //: Access body.
  
  const  GUIFixedWidgetBodyC &Body() const
    { return dynamic_cast<const GUIFixedWidgetBodyC &>(DPEntityC::Body()); }
  //: Access body.  
  
public:
  void GUIAddWidget(GUIWidgetC &newun,PixelC &where)
    { Body().GUIAddWidget(newun,where); }
  //: Add new widget.
  // GUI thread only.
  
  void AddWidget(const GUIWidgetC &newun,PixelC where)
    { Body().AddWidget(newun,where); }
  //: Add new widget.
  // Thread safe.
  
  void MoveWidget(const GUIWidgetC &newun,PixelC where)
    { Body().AddWidget(newun,where); }
  //: Move a widget
  // Thread safe.

  friend class GUIFixedWidgetBodyC;
};

#endif