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-/****************************************************************************
-**
-** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
-** All rights reserved.
-** Contact: Nokia Corporation (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 Technology Preview License Agreement accompanying
-** this package.
-**
-** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
-**
-** If you have questions regarding the use of this file, please contact
-** Nokia at qt-info@nokia.com.
-**
-**
-**
-**
-**
-**
-**
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#ifndef QMLGRAPHICSFLICKABLE_H
-#define QMLGRAPHICSFLICKABLE_H
-
-#include "qmlgraphicsitem.h"
-
-QT_BEGIN_HEADER
-
-QT_BEGIN_NAMESPACE
-
-QT_MODULE(Declarative)
-
-class QmlGraphicsFlickablePrivate;
-class QmlGraphicsFlickableVisibleArea;
-class Q_DECLARATIVE_EXPORT QmlGraphicsFlickable : public QmlGraphicsItem
-{
- Q_OBJECT
-
- Q_PROPERTY(qreal viewportWidth READ viewportWidth WRITE setViewportWidth NOTIFY viewportWidthChanged)
- Q_PROPERTY(qreal viewportHeight READ viewportHeight WRITE setViewportHeight NOTIFY viewportHeightChanged)
- Q_PROPERTY(qreal viewportX READ viewportX WRITE setViewportX NOTIFY positionXChanged)
- Q_PROPERTY(qreal viewportY READ viewportY WRITE setViewportY NOTIFY positionYChanged)
-
- Q_PROPERTY(qreal horizontalVelocity READ horizontalVelocity NOTIFY horizontalVelocityChanged)
- Q_PROPERTY(qreal verticalVelocity READ verticalVelocity NOTIFY verticalVelocityChanged)
- Q_PROPERTY(qreal reportedVelocitySmoothing READ reportedVelocitySmoothing WRITE setReportedVelocitySmoothing NOTIFY reportedVelocitySmoothingChanged)
-
- Q_PROPERTY(bool overShoot READ overShoot WRITE setOverShoot NOTIFY overShootChanged)
- Q_PROPERTY(qreal maximumFlickVelocity READ maximumFlickVelocity WRITE setMaximumFlickVelocity NOTIFY maximumFlickVelocityChanged)
- Q_PROPERTY(qreal flickDeceleration READ flickDeceleration WRITE setFlickDeceleration NOTIFY flickDecelerationChanged)
- Q_PROPERTY(bool moving READ isMoving NOTIFY movingChanged)
- Q_PROPERTY(bool flicking READ isFlicking NOTIFY flickingChanged)
- Q_PROPERTY(FlickDirection flickDirection READ flickDirection WRITE setFlickDirection NOTIFY flickDirectionChanged)
-
- Q_PROPERTY(bool interactive READ isInteractive WRITE setInteractive NOTIFY interactiveChanged)
- Q_PROPERTY(int pressDelay READ pressDelay WRITE setPressDelay NOTIFY pressDelayChanged)
-
- Q_PROPERTY(bool atXEnd READ isAtXEnd NOTIFY isAtBoundaryChanged)
- Q_PROPERTY(bool atYEnd READ isAtYEnd NOTIFY isAtBoundaryChanged)
- Q_PROPERTY(bool atXBeginning READ isAtXBeginning NOTIFY isAtBoundaryChanged)
- Q_PROPERTY(bool atYBeginning READ isAtYBeginning NOTIFY isAtBoundaryChanged)
-
- Q_PROPERTY(QmlGraphicsFlickableVisibleArea *visibleArea READ visibleArea CONSTANT)
-
- Q_PROPERTY(QmlListProperty<QObject> flickableData READ flickableData)
- Q_PROPERTY(QmlListProperty<QmlGraphicsItem> flickableChildren READ flickableChildren)
- Q_CLASSINFO("DefaultProperty", "flickableData")
-
- Q_ENUMS(FlickDirection)
-
-public:
- QmlGraphicsFlickable(QmlGraphicsItem *parent=0);
- ~QmlGraphicsFlickable();
-
- QmlListProperty<QObject> flickableData();
- QmlListProperty<QmlGraphicsItem> flickableChildren();
-
- bool overShoot() const;
- void setOverShoot(bool);
-
- qreal viewportWidth() const;
- void setViewportWidth(qreal);
-
- qreal viewportHeight() const;
- void setViewportHeight(qreal);
-
- qreal viewportX() const;
- void setViewportX(qreal pos);
-
- qreal viewportY() const;
- void setViewportY(qreal pos);
-
- bool isMoving() const;
- bool isFlicking() const;
-
- int pressDelay() const;
- void setPressDelay(int delay);
-
- qreal reportedVelocitySmoothing() const;
- void setReportedVelocitySmoothing(qreal);
-
- qreal maximumFlickVelocity() const;
- void setMaximumFlickVelocity(qreal);
-
- qreal flickDeceleration() const;
- void setFlickDeceleration(qreal);
-
- bool isInteractive() const;
- void setInteractive(bool);
-
- qreal horizontalVelocity() const;
- qreal verticalVelocity() const;
-
- bool isAtXEnd() const;
- bool isAtXBeginning() const;
- bool isAtYEnd() const;
- bool isAtYBeginning() const;
-
- QmlGraphicsItem *viewport();
-
- enum FlickDirection { AutoFlickDirection=0x00, HorizontalFlick=0x01, VerticalFlick=0x02, HorizontalAndVerticalFlick=0x03 };
- FlickDirection flickDirection() const;
- void setFlickDirection(FlickDirection);
-
-Q_SIGNALS:
- void viewportWidthChanged();
- void viewportHeightChanged();
- void positionXChanged();
- void positionYChanged();
- void movingChanged();
- void flickingChanged();
- void movementStarted();
- void movementEnded();
- void flickStarted();
- void flickEnded();
- void reportedVelocitySmoothingChanged(int);
- void horizontalVelocityChanged();
- void verticalVelocityChanged();
- void isAtBoundaryChanged();
- void pageChanged();
- void flickDirectionChanged();
- void interactiveChanged();
- void overShootChanged();
- void maximumFlickVelocityChanged();
- void flickDecelerationChanged();
- void pressDelayChanged();
-
-protected:
- virtual bool sceneEventFilter(QGraphicsItem *, QEvent *);
- void mousePressEvent(QGraphicsSceneMouseEvent *event);
- void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
- void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
- void wheelEvent(QGraphicsSceneWheelEvent *event);
- void timerEvent(QTimerEvent *event);
-
- QmlGraphicsFlickableVisibleArea *visibleArea();
-
-protected Q_SLOTS:
- virtual void ticked();
- void movementStarting();
- void movementEnding();
- void heightChange();
- void widthChange();
-
-protected:
- virtual qreal minXExtent() const;
- virtual qreal minYExtent() const;
- virtual qreal maxXExtent() const;
- virtual qreal maxYExtent() const;
- qreal vWidth() const;
- qreal vHeight() const;
- virtual void viewportMoved();
- bool sendMouseEvent(QGraphicsSceneMouseEvent *event);
-
- bool xflick() const;
- bool yflick() const;
- void cancelFlick();
-
-protected:
- QmlGraphicsFlickable(QmlGraphicsFlickablePrivate &dd, QmlGraphicsItem *parent);
-
-private:
- Q_DISABLE_COPY(QmlGraphicsFlickable)
- Q_DECLARE_PRIVATE_D(QGraphicsItem::d_ptr.data(), QmlGraphicsFlickable)
- friend class QmlGraphicsFlickableVisibleArea;
-};
-
-QT_END_NAMESPACE
-
-QML_DECLARE_TYPE(QmlGraphicsFlickable)
-
-QT_END_HEADER
-
-#endif
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