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display.h

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/*************************************************************************
*   FILE: display.h
* AUTHOR: CAL
* DATE: 25 April 1993
* PURPOSE:
*   A display is a viewport which can contain "screen objects",
*   such as windows and buttons.
**************************************************************************/

#ifndef _DISPLAY_H
#define _DISPLAY_H

#include "viewport.h"
#include "scrnobj.h"

class Display : public Viewport
{
  ScrnObjList list;
public:
  Display (void) { }
  Display (Viewport* parent, int x1, int y1, int x2, int y2)
    : Viewport (parent, x1, y1, x2, y2) { }
  ~Display (void) { Erase (); }

  virtual void Add (ScrnObj *a, int x, int y);
  virtual void Draw (void);
  virtual void Erase (void);

  virtual Message Dispatch (Message&);
};


extern Display theDisplay;      // "root" display (physical screen)


#endif

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