/usr/lib/Wt/examples/mission/CountDownWidget.h is in witty-examples 3.3.0-1build1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 | /*
* Copyright (C) 2008 Emweb bvba, Kessel-Lo, Belgium.
*
* See the LICENSE file for terms of use.
*/
// This may look like C code, but it's really -*- C++ -*-
#ifndef WCOUNTDOWNWIDGET_H_
#define WCOUNTDOWNWIDGET_H_
#include <Wt/WText>
namespace Wt {
class WTimer;
}
using namespace Wt;
/**
* \defgroup missionexample Timer example
*/
/*@{*/
/*!\brief A widget which displays a decrementing number.
*/
class CountDownWidget : public WText
{
public:
/*! \brief Create a new CountDownWidget.
*
* The widget will count down from start to stop, decrementing
* the number every msec milliseconds.
*/
CountDownWidget(int start, int stop, unsigned msec,
WContainerWidget *parent = 0);
/*! \brief Signal emitted when the countdown reached stop.
*/
Wt::Signal<void>& done() { return done_; }
/*! \brief Cancel the count down.
*/
void cancel();
private:
Wt::Signal<void> done_;
int start_;
int stop_;
unsigned msec_;
int current_;
WTimer *timer_;
/*! \brief Process one timer tick.
*/
void timerTick();
};
/*@}*/
#endif // WCOUNTDOWNWIDGET_H_
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