forked from qt-creator/qt-creator
119 lines
3.2 KiB
C++
119 lines
3.2 KiB
C++
/**************************************************************************
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**
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** This file is part of Qt Creator
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**
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** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
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**
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** No Commercial Usage
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**
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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**
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**************************************************************************/
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#ifndef ROUNDPROGRESS_H
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#define ROUNDPROGRESS_H
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#include "ui_roundprogress.h"
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#include <QtCore>
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#include <QtGui>
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#include <QtDebug>
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#include <QtGui/QMainWindow>
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#include <QtCore/QFutureInterface>
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#include <QtCore/QFuture>
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class MyInternalTask : public QObject
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{
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Q_OBJECT
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public:
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static const int MAX = 10;
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MyInternalTask(bool withProgress)
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{
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m_hasProgress = withProgress;
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if (m_hasProgress)
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m_duration = 4000;
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else
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m_duration = 2500;
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}
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MyInternalTask(const MyInternalTask &) : QObject() {}
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void run(QFutureInterface<void> &f)
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{
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m_future = &f;
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m_count = 0;
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m_future->setProgressRange(0, (m_hasProgress ? MAX : 0));
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m_future->setProgressValueAndText(m_count, tr("Starting..."));
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m_loop = new QEventLoop;
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m_timer = new QTimer;
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m_timer->setInterval(m_duration/MAX);
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m_timer->setSingleShot(false);
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connect(m_timer, SIGNAL(timeout()), this, SLOT(advance()));
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m_timer->start();
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m_loop->exec();
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delete m_timer;
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delete m_loop;
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}
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private slots:
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void advance()
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{
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++m_count;
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m_future->setProgressValueAndText(m_count, tr("Something happening %1").arg(m_count));
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if (m_count == MAX || m_future->isCanceled()) {
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m_future->setProgressValueAndText(m_count, tr("Finished!"));
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m_loop->quit();
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}
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}
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private:
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bool m_hasProgress;
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QEventLoop *m_loop;
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QTimer *m_timer;
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QFutureInterface<void> *m_future;
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int m_count;
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int m_duration;
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};
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class roundprogress : public QWidget
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{
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Q_OBJECT
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public:
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roundprogress(QWidget *parent = 0);
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~roundprogress() {}
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private slots:
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void start();
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void start2();
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void start3();
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private:
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Ui::roundprogressClass ui;
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MyInternalTask task;
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MyInternalTask task2;
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QFuture<void> future;
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};
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#endif // ROUNDPROGRESS_H
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