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/* $Id$ */
/** @file
* VBox Qt GUI - UIAnimationFramework class implementation.
*/
/*
* Copyright (C) 2013-2022 Oracle and/or its affiliates.
*
* This file is part of VirtualBox base platform packages, as
* available from https://www.virtualbox.org.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation, in version 3 of the
* License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <https://www.gnu.org/licenses>.
*
* SPDX-License-Identifier: GPL-3.0-only
*/
/* Qt includes: */
#include <QPropertyAnimation>
#include <QSignalTransition>
#include <QStateMachine>
#include <QWidget>
/* GUI includes: */
#include "UIAnimationFramework.h"
/* Other VBox includes: */
#include "iprt/assert.h"
/*********************************************************************************************************************************
* Class UIAnimation implementation. *
*********************************************************************************************************************************/
/* static */
UIAnimation* UIAnimation::installPropertyAnimation(QWidget *pTarget, const char *pszPropertyName,
const char *pszValuePropertyNameStart, const char *pszValuePropertyNameFinal,
const char *pszSignalForward, const char *pszSignalReverse,
bool fReverse /* = false */, int iAnimationDuration /* = 300 */)
{
/* Return newly created animation-machine: */
return new UIAnimation(pTarget, pszPropertyName,
pszValuePropertyNameStart, pszValuePropertyNameFinal,
pszSignalForward, pszSignalReverse,
fReverse, iAnimationDuration);
}
void UIAnimation::update()
{
/* Update 'forward' animation: */
m_pForwardAnimation->setStartValue(parent()->property(m_pszValuePropertyNameStart));
m_pForwardAnimation->setEndValue(parent()->property(m_pszValuePropertyNameFinal));
m_pStateStart->assignProperty(parent(), m_pszPropertyName, parent()->property(m_pszValuePropertyNameStart));
/* Update 'reverse' animation: */
m_pReverseAnimation->setStartValue(parent()->property(m_pszValuePropertyNameFinal));
m_pReverseAnimation->setEndValue(parent()->property(m_pszValuePropertyNameStart));
m_pStateFinal->assignProperty(parent(), m_pszPropertyName, parent()->property(m_pszValuePropertyNameFinal));
}
UIAnimation::UIAnimation(QWidget *pParent, const char *pszPropertyName,
const char *pszValuePropertyNameStart, const char *pszValuePropertyNameFinal,
const char *pszSignalForward, const char *pszSignalReverse,
bool fReverse, int iAnimationDuration)
: QObject(pParent)
, m_pszPropertyName(pszPropertyName)
, m_pszValuePropertyNameStart(pszValuePropertyNameStart), m_pszValuePropertyNameFinal(pszValuePropertyNameFinal)
, m_pszSignalForward(pszSignalForward), m_pszSignalReverse(pszSignalReverse)
, m_fReverse(fReverse), m_iAnimationDuration(iAnimationDuration)
, m_pAnimationMachine(0), m_pForwardAnimation(0), m_pReverseAnimation(0)
{
/* Prepare: */
prepare();
}
void UIAnimation::prepare()
{
/* Make sure parent asigned: */
AssertPtrReturnVoid(parent());
/* Prepare animation-machine: */
m_pAnimationMachine = new QStateMachine(this);
/* Create 'start' state: */
m_pStateStart = new QState(m_pAnimationMachine);
m_pStateStart->assignProperty(parent(), "AnimationState", QString("Start"));
connect(m_pStateStart, &QState::propertiesAssigned, this, &UIAnimation::sigStateEnteredStart);
/* Create 'final' state: */
m_pStateFinal = new QState(m_pAnimationMachine);
m_pStateFinal->assignProperty(parent(), "AnimationState", QString("Final"));
connect(m_pStateFinal, &QState::propertiesAssigned, this, &UIAnimation::sigStateEnteredFinal);
/* Prepare 'forward' animation: */
m_pForwardAnimation = new QPropertyAnimation(parent(), m_pszPropertyName, m_pAnimationMachine);
m_pForwardAnimation->setEasingCurve(QEasingCurve(QEasingCurve::InOutCubic));
m_pForwardAnimation->setDuration(m_iAnimationDuration);
/* Prepare 'reverse' animation: */
m_pReverseAnimation = new QPropertyAnimation(parent(), m_pszPropertyName, m_pAnimationMachine);
m_pReverseAnimation->setEasingCurve(QEasingCurve(QEasingCurve::InOutCubic));
m_pReverseAnimation->setDuration(m_iAnimationDuration);
/* Prepare state-transitions: */
QSignalTransition *pStartToFinal = m_pStateStart->addTransition(parent(), m_pszSignalForward, m_pStateFinal);
AssertPtrReturnVoid(pStartToFinal);
pStartToFinal->addAnimation(m_pForwardAnimation);
QSignalTransition *pFinalToStart = m_pStateFinal->addTransition(parent(), m_pszSignalReverse, m_pStateStart);
AssertPtrReturnVoid(pFinalToStart);
pFinalToStart->addAnimation(m_pReverseAnimation);
/* Fetch animation-borders: */
update();
/* Choose initial state: */
m_pAnimationMachine->setInitialState(!m_fReverse ? m_pStateStart : m_pStateFinal);
/* Start animation-machine: */
m_pAnimationMachine->start();
}
/*********************************************************************************************************************************
* Class UIAnimation implementation. *
*********************************************************************************************************************************/
/* static */
UIAnimationLoop* UIAnimationLoop::installAnimationLoop(QWidget *pTarget, const char *pszPropertyName,
const char *pszValuePropertyNameStart, const char *pszValuePropertyNameFinal,
int iAnimationDuration /* = 300*/)
{
/* Return newly created animation-loop: */
return new UIAnimationLoop(pTarget, pszPropertyName,
pszValuePropertyNameStart, pszValuePropertyNameFinal,
iAnimationDuration);
}
void UIAnimationLoop::update()
{
/* Update animation: */
m_pAnimation->setStartValue(parent()->property(m_pszValuePropertyNameStart));
m_pAnimation->setEndValue(parent()->property(m_pszValuePropertyNameFinal));
}
void UIAnimationLoop::start()
{
/* Start animation: */
m_pAnimation->start();
}
void UIAnimationLoop::stop()
{
/* Stop animation: */
m_pAnimation->stop();
}
UIAnimationLoop::UIAnimationLoop(QWidget *pParent, const char *pszPropertyName,
const char *pszValuePropertyNameStart, const char *pszValuePropertyNameFinal,
int iAnimationDuration)
: QObject(pParent)
, m_pszPropertyName(pszPropertyName)
, m_pszValuePropertyNameStart(pszValuePropertyNameStart), m_pszValuePropertyNameFinal(pszValuePropertyNameFinal)
, m_iAnimationDuration(iAnimationDuration)
, m_pAnimation(0)
{
/* Prepare: */
prepare();
}
void UIAnimationLoop::prepare()
{
/* Prepare loop: */
m_pAnimation = new QPropertyAnimation(parent(), m_pszPropertyName, this);
m_pAnimation->setDuration(m_iAnimationDuration);
m_pAnimation->setLoopCount(-1);
/* Fetch animation-borders: */
update();
}
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