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Diffstat (limited to 'demos/sub-attaq/custompropertyanimation.cpp')
-rw-r--r-- | demos/sub-attaq/custompropertyanimation.cpp | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/demos/sub-attaq/custompropertyanimation.cpp b/demos/sub-attaq/custompropertyanimation.cpp new file mode 100644 index 0000000..3975ce4 --- /dev/null +++ b/demos/sub-attaq/custompropertyanimation.cpp @@ -0,0 +1,108 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtCore module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain +** additional rights. These rights are described in the Nokia Qt LGPL +** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at http://qt.nokia.com/contact. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "custompropertyanimation.h" + +// Qt +#include <QtCore/qdebug.h> + +CustomPropertyAnimation::CustomPropertyAnimation(QObject *parent) : + QVariantAnimation(parent), animProp(0) +{ +} + +CustomPropertyAnimation::~CustomPropertyAnimation() +{ +} + +void CustomPropertyAnimation::setProperty(AbstractProperty *_animProp) +{ + if (animProp == _animProp) + return; + delete animProp; + animProp = _animProp; +} + +/*! + \reimp + */ +void CustomPropertyAnimation::updateCurrentValue(const QVariant &value) +{ + if (!animProp || state() == QAbstractAnimation::Stopped) + return; + + animProp->write(value); +} + + +/*! + \reimp +*/ +void CustomPropertyAnimation::updateState(QAbstractAnimation::State oldState, QAbstractAnimation::State newState) +{ + // Initialize start value + if (oldState == QAbstractAnimation::Stopped) { + if (!animProp) + return; + QVariant def = animProp->read(); + if (def.isValid()) { + const int t = def.userType(); + KeyValues values = keyValues(); + //this ensures that all the keyValues are of type t + for (int i = 0; i < values.count(); ++i) { + QVariantAnimation::KeyValue &pair = values[i]; + if (pair.second.userType() != t) + pair.second.convert(static_cast<QVariant::Type>(t)); + } + //let's now update the key values + setKeyValues(values); + } + + if ((animProp && !startValue().isValid() && currentTime() == 0) + || (currentTime() == duration() && currentLoop() == (loopCount() - 1))) { + setStartValue(def); + } + } + + QVariantAnimation::updateState(oldState, newState); +} + +#include "moc_custompropertyanimation.cpp" |