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Diffstat (limited to 'src/declarative/fx/qfxflickable_p.h')
| -rw-r--r-- | src/declarative/fx/qfxflickable_p.h | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/src/declarative/fx/qfxflickable_p.h b/src/declarative/fx/qfxflickable_p.h new file mode 100644 index 0000000..a3b1500 --- /dev/null +++ b/src/declarative/fx/qfxflickable_p.h @@ -0,0 +1,170 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the QtDeclarative 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 qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QFXFLICKABLE_P_H +#define QFXFLICKABLE_P_H + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. +// + +#include "qdatetime.h" +#include "qfxflickable.h" +#include "qfxitem_p.h" +#include "qml.h" +#include "qmltimelinevalueproxy.h" +#include "private/qmlanimation_p.h" + +QT_BEGIN_NAMESPACE + +class ElasticValue : public QAbstractAnimation { + Q_OBJECT +public: + ElasticValue(QmlTimeLineValue &); + void setValue(qreal to); + void clear(); + + virtual int duration() const { return 10000; } + +protected: + virtual void updateCurrentTime(int); + +Q_SIGNALS: + void updated(); + +private: + qreal _to; + qreal _myValue; + qreal _velocity; + QmlTimeLineValue &_value; + QTime _startTime; +}; + +class QFxFlickablePrivate : public QFxItemPrivate +{ + Q_DECLARE_PUBLIC(QFxFlickable) + +public: + QFxFlickablePrivate(); + void init(); + virtual void fixupX(); + virtual void fixupY(); + void updateBeginningEnd(); + +public: + QFxItem *_flick; + QmlTimeLineValueProxy<QFxItem> _moveX; + QmlTimeLineValueProxy<QFxItem> _moveY; + QmlTimeLine _tl; + int vWidth; + int vHeight; + bool overShoot; + bool flicked; + bool moving; + bool stealMouse; + bool pressed; + QTime lastPosTime; + QPointF lastPos; + QPointF pressPos; + qreal pressX; + qreal pressY; + qreal velocityX; + qreal velocityY; + QTime pressTime; + QmlTimeLineEvent fixupXEvent; + QmlTimeLineEvent fixupYEvent; + int maxVelocity; + bool locked; + QFxFlickable::DragMode dragMode; + ElasticValue elasticY; + ElasticValue elasticX; + QTime velocityTime; + QPointF lastFlickablePosition; + int velocityDecay; + + void updateVelocity(); + struct Velocity : public QmlTimeLineValue + { + Velocity(QFxFlickablePrivate *p) + : parent(p) {} + virtual void setValue(qreal v) { + QmlTimeLineValue::setValue(v); + parent->updateVelocity(); + } + QFxFlickablePrivate *parent; + }; + Velocity xVelocity; + Velocity yVelocity; + int vTime; + QmlTimeLine velocityTimeline; + bool atXEnd; + bool atXBeginning; + qreal pageXPosition; + qreal pageWidth; + bool atYEnd; + bool atYBeginning; + qreal pageYPosition; + qreal pageHeight; + + void handleMousePressEvent(QGraphicsSceneMouseEvent *); + void handleMouseMoveEvent(QGraphicsSceneMouseEvent *); + void handleMouseReleaseEvent(QGraphicsSceneMouseEvent *); + + // flickableData property + void data_removeAt(int); + int data_count() const; + void data_append(QObject *); + void data_insert(int, QObject *); + QObject *data_at(int) const; + void data_clear(); + QML_DECLARE_LIST_PROXY(QFxFlickablePrivate, QObject *, data) +}; + +QT_END_NAMESPACE + +#endif |