DPS/DataPlatform/QWaiting.h

#pragma once
#include <QDialog>
#include <QWidget>
#include <qthread>
#include <functional>
#include <QThread>
#include <qapplication.h>
#include <QtConcurrent/qtconcurrentrun.h>
#include <qlabel.h>
class QWaitingDialog : public QDialog
{
	Q_OBJECT

public:
	QWaitingDialog(QWidget* parent, QString msg);
	~QWaitingDialog();
	void changeMessage(QString msg);

protected:

private:
	QMovie* m_Move;
	QLabel* labelmsg;

};

class QWaiting :public QObject {
	Q_OBJECT
public:
	QWaiting(QWidget* parent, QString msg);
	template <typename FunctionObject>
	/**
	执行耗时工作
	**/
	bool working(FunctionObject functionObject)
	{
		QFuture<bool> future = QtConcurrent::run(functionObject);
		while (!future.isFinished()) {
			QApplication::processEvents(QEventLoop::AllEvents);
		}
		return future.result();
	}
	~QWaiting();
	void changeMessage(QString msg);
private:
	QWaitingDialog* _dialog;
};