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Atari Mega Archive 1
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gemxx19.zoo
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gem++19
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gemt.h
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C/C++ Source or Header
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1993-04-28
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54 lines
/////////////////////////////////////////////////////////////////////////////
//
// GEMtimer
//
// A GEMtimer is an event handler that acts when a time expires.
//
// This file is Copyright 1992,1993 by Warwick W. Allison.
// This file is part of the gem++ library.
// You are free to copy and modify these sources, provided you acknowledge
// the origin by retaining this notice, and adhere to the conditions
// described in the file COPYING.LIB.
//
/////////////////////////////////////////////////////////////////////////////
#ifndef GEMt_h
#define GEMt_h
#include <gemfb.h>
class GEMactivity;
class GEMevent;
class GEMtimer
{
public:
GEMtimer(GEMactivity& in, int millisec);
virtual ~GEMtimer();
int Interval() { return interval; }
// Should only change during Expire call.
void Interval(int i) { interval=i; }
virtual GEMfeedback Expire(const GEMevent&)=0;
// Below for service provider
static int NextInterval();
static GEMfeedback ExpireNext(const GEMevent&);
private:
void InsertInto(GEMtimer*&);
void DeleteFrom(GEMtimer*&);
static GEMactivity* act;
static GEMtimer* head;
static int now;
GEMtimer* next;
int interval;
int mytime;
};
#endif