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#ifndef WIDGET_H
#define WIDGET_H
#include <QWidget>
namespace Ui {
class Widget;
}
class Widget : public QWidget
{
Q_OBJECT
public:
explicit Widget(QWidget *parent = 0);
~Widget();
public slots:
void test();
private:
Ui::Widget *ui;
};
#endif // WIDGET_H
#include "widget.h"
#include "ui_widget.h"
#include <QTimer>
#include<QDebug>
Widget::Widget(QWidget *parent) :
QWidget(parent),
ui(new Ui::Widget)
{
ui->setupUi(this);
}
Widget::~Widget()
{
delete ui;
}
void Widget::test()
{
qDebug() << "+++++++";
sleep(4);
qDebug() << "=======";
}
#include <QtGui/QApplication>
#include "widget.h"
#include<QDebug>
#include<QTimer>
int main(int argc, char *argv[])
{
QApplication a(argc, argv);
Widget w;
w.show();
QTimer::singleShot(2,&w,SLOT(test()));
int i = 0;
while(1)
{
qDebug() << i++;
sleep(1);
}
return a.exec();
}
int main(int argc, char *argv[])
{
QApplication a(argc, argv);
/*MainWindow w;
w.show();*/
WidgetSleep w;
w.show();
QTimer::singleShot(4000,&w,SLOT(test()));
int i = 0;
while(1)
{
qDebug() << i++;
QTime dieTime = QTime::currentTime().addMSecs(500);
while( QTime::currentTime() < dieTime )
QCoreApplication::processEvents(QEventLoop::AllEvents, 100);
}
return a.exec();
}
void WidgetSleep::test()
{
qDebug() << "+++++++";
QTime dieTime = QTime::currentTime().addMSecs(3000);
while( QTime::currentTime() < dieTime )
{
QCoreApplication::processEvents(QEventLoop::AllEvents, 100);
}
qDebug() << "=======";
}