QfTrigger.H

/* QfTrigger.H */
/* $Id: QfTrigger.H,v 1.7 2004/04/19 12:15:54 vlad Exp $ */
#ifndef __QfTrigger_H
#define __QfTrigger_H


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


/***********************************************************************
 * Toggle button object.  Provides way to set boolean variable.
 */
class QfTrigger: public QfBrick
{
protected:

  XmString      xmsLabel;   /* NULL means icon */
  ZmBitmapSource    iconSource; /* temporal storage */

  int       eState;     /* If radio-behaviour. */
  Logic     bBuf, *bExtBuf; /* Where to save result. */

  virtual void  create_self (Widget wParent);

public:

  /* In/out buffer: bState. */
  QfTrigger (char* szLabel, Logic* bState);
  QfTrigger (ZmBitmapSource* icon, Logic* bState);

  /* No in/out buffer: radio-button behaviour. */
  QfTrigger (char* szLabel);
  QfTrigger (ZmBitmapSource* icon);

  /* Return actual state identifier (don't touch GUI sync state). */
  virtual Logic     state ();

  /*
   *  Adjustable features.
   */

  virtual void  store_gui ();
  virtual void  load_gui ();

  /* Method to hang callbacks at creation stage. */
  virtual void  add_callback (const QCallback& qcb);

};


#endif /* QfTrigger.H */