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//=============================================================================
/**
* @file timer.h
*
* @author Bala <bala@cs.wustl.edu>
*/
//=============================================================================
#ifndef TIMER_H
#define TIMER_H
#include "Stopwatch_display.h"
#include <Xm/Xm.h>
class Timer_imp
{
public:
/// Constructor
Timer_imp (XtAppContext &,
CORBA::Long,
Stopwatch_display *);
/// Destructor
virtual ~Timer_imp ();
/// Resets, and starts the clock ticking
void start (void);
/// Stops the clock
void stop (void);
/// Returns time since timer started
CORBA::Float elapsed_time (void);
private:
/// Static member function used for TimeOut callback.
static void tick_callback (XtPointer,
XtIntervalId *);
/// Called every interval_ milliseconds
void tick (void);
/// Called at each clock tick...
virtual void report_time (CORBA::Float);
/// A copy of the stopwatch object
Stopwatch_display *stopwatch_;
/// Current number of ticks
CORBA::Long counter_;
/// Time in milliseconds between updates
CORBA::Long interval_;
/// Identifier of current TimeOut
XtIntervalId id_;
/// Required by Xt functions
XtAppContext app_;
};
#endif /* TIMER_H */
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