标签:style blog 使用 ar 2014 art cti sp log
#ifndef QTIMER_H
#define QTIMER_H
#ifndef QT_NO_QOBJECT
#include <QtCore/qbasictimer.h> // conceptual inheritance
#include <QtCore/qobject.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Core)<span style="white-space:pre">//处理QT许可证信息;
class Q_CORE_EXPORT QTimer : public QObject
{
Q_OBJECT
Q_PROPERTY(bool singleShot READ isSingleShot WRITE setSingleShot)
Q_PROPERTY(int interval READ interval WRITE setInterval)
Q_PROPERTY(bool active READ isActive)
public:
explicit QTimer(QObject *parent = 0);<span style="white-space:pre"> //防止隐式转换;
#ifdef QT3_SUPPORT
QT3_SUPPORT_CONSTRUCTOR QTimer(QObject *parent, const char *name);
#endif
~QTimer();
inline bool isActive() const { return id >= 0; }<span style="white-space:pre">//是否处于激活状态,通过判断id是否大于0判断;
int timerId() const { return id; }// 返回timer ID;
void setInterval(int msec);// 设置间隔时间,既超时时间;
int interval() const { return inter; }//获取间隔时间;
inline void setSingleShot(bool singleShot);<span style="white-space:pre">// 设置是否属于SingleShot,既是否只触发一次;
inline bool isSingleShot() const { return single; }// 获取是否是SingleShot;
static void singleShot(int msec, QObject *receiver, const char *member);//这个静态函数非常方便使用,我们既可以不创建一个QTimer对象,也可不用发射一个信号出去,就可以完成timer的功能, QTimer::singleShot(600000, &app, SLOT(quit()));
public Q_SLOTS:<span style="white-space:pre">// QT4.1引入的,其实就是用来替代slots;
void start(int msec);<span style="white-space:pre">// start slot;
void start();
void stop();// stop slot;
#ifdef QT3_SUPPORT
inline QT_MOC_COMPAT void changeInterval(int msec) { start(msec); }
QT_MOC_COMPAT int start(int msec, bool sshot);
#endif
Q_SIGNALS:
void timeout();// timeout 信号;
protected:
void timerEvent(QTimerEvent *);<span style="white-space:pre">// 对 QObject::timerEvent的reimplemented;
private:
Q_DISABLE_COPY(QTimer)<span style="white-space:pre">
inline int startTimer(int){ return -1;}
inline void killTimer(int){}
int id, inter, del;
uint single : 1;
uint nulltimer : 1;
};
inline void QTimer::setSingleShot(bool asingleShot) { single = asingleShot; }
QT_END_NAMESPACE
QT_END_HEADER
#endif // QT_NO_QOBJECT
#endif // QTIMER_H标签:style blog 使用 ar 2014 art cti sp log
原文地址:http://blog.csdn.net/wang19870102/article/details/39161461