QfParam.H

/* QfParam.H */
/* $Id: QfParam.H,v 1.1 2001/11/21 16:27:33 vlad Exp $ */
#ifndef __QfParam_H
#define __QfParam_H

#include <zm/qvfcdefs.h>
#include <zm/QfBrick.H>
#include <zm/Qmisc.H>


/***********************************************************************
 * Not really a brick but a parameter for it.  Does not create widget
 * directly, but contains technique to provide identification of
 * different parameter descendants.
 */
class QfParam: public QfBrick
{
protected:

  /* Indentifier of the parameter */
  QfParamId id;

  /* Empty - assign NULL to wSelf */
  virtual void  create_self (Widget wParent);

public:

  /* Create parameter with given id. */
  QfParam (QfParamId eParId);

  /* General RTTI. */
  virtual QfType    type () const;

  /* Additional RTTI feature.
     Return actual state identifier (don't touch GUI sync state). */
  virtual QfParamId param_id () const;

};


/***********************************************************************
 * Template way to create array of parameters.
 */
class QfParamItem
{
public:

  unsigned  index;  /* index of the next brick */
  QfBrick   *brick; /* the next brick (or NULL if parameter is set
                           after the last brick) */
  QfParam   *param; /* pointer to the parameter */

  QfParamItem (unsigned iIndex, QfBrick* pParam)
    : index(iIndex), brick(NULL), param((QfParam*)pParam) {};
};

#define AnyType QfParamItem
#define AnyAr   ParamsAr
#define AnyCmp(x,y) COMPAR(x.index, y.index)
#define AnyFormatSpec   "\n%d: index=%d, brick=%p, param=%p (id=%d)"
#define AnyPrintList    i, item.index, item.brick, item.param, \
            item.param->param_id()
#include <mix/AnyAr.H>


#endif /* QfParam.H */