forked from qt-creator/qt-creator
eadc9cb0e3
- Do not automatically restart particle system animation when pressing the restart button if the animation is paused. - Use own QElapsedTimer in AnimationDriver and properly handle animation driver pausing. Change-Id: Ic2924fb66fddffb8878625be8fa766f06219ca61 Reviewed-by: Miikka Heikkinen <miikka.heikkinen@qt.io> Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org> Reviewed-by: Thomas Hartmann <thomas.hartmann@qt.io>
110 lines
3.0 KiB
C++
110 lines
3.0 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2021 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of Qt Creator.
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**
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3 as published by the Free Software
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** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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**
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****************************************************************************/
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#pragma once
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#include <qabstractanimation.h>
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#include <QtCore/qbasictimer.h>
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#include <QtCore/qelapsedtimer.h>
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#include <QtCore/qmath.h>
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class AnimationDriver : public QAnimationDriver
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{
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Q_OBJECT
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public:
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AnimationDriver(QObject *parent = nullptr);
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~AnimationDriver();
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void timerEvent(QTimerEvent *e) override;
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void setInterval(int interval)
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{
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m_interval = qBound(1, interval, 60);
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}
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int interval() const
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{
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return m_interval;
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}
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void reset()
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{
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m_elapsedTimer.invalidate();
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m_pauseBegin = 0;
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m_pauseTime = 0;
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m_elapsed = 0;
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m_seekerElapsed = 0;
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stopTimer();
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}
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void restart()
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{
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m_pauseTime = 0;
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m_elapsed = 0;
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m_seekerElapsed = 0;
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startTimer();
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}
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void pause()
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{
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m_pauseBegin = m_elapsedTimer.elapsed();
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stopTimer();
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}
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void play()
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{
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if (m_elapsedTimer.isValid())
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m_pauseTime += m_elapsedTimer.elapsed() - m_pauseBegin;
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startTimer();
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}
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qint64 elapsed() const override
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{
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return m_elapsed + m_seekerElapsed - m_pauseTime;
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}
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void setSeekerPosition(int position);
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void setSeekerEnabled(bool enable)
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{
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m_seekerEnabled = enable;
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}
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bool isSeekerEnabled() const
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{
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return m_seekerEnabled;
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}
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bool isAnimating() const
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{
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return (!m_seekerEnabled && m_timer.isActive()) || (m_seekerEnabled && m_delta && m_seekerPos);
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}
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Q_SIGNALS:
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void advanced();
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private:
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Q_SLOT void startTimer();
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Q_SLOT void stopTimer();
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QBasicTimer m_timer;
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QElapsedTimer m_elapsedTimer;
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int m_interval = 16;
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int m_seekerPos = 0;
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bool m_seekerEnabled = false;
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qint64 m_elapsed = 0;
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qint64 m_seekerElapsed = 0;
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qint64 m_delta = 0;
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qint64 m_pauseTime = 0;
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qint64 m_pauseBegin = 0;
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};
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