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Diffstat (limited to 'src/declarative/fx/qmlgraphicsflickable.h')
| -rw-r--r-- | src/declarative/fx/qmlgraphicsflickable.h | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/src/declarative/fx/qmlgraphicsflickable.h b/src/declarative/fx/qmlgraphicsflickable.h new file mode 100644 index 0000000..f7ef0088 --- /dev/null +++ b/src/declarative/fx/qmlgraphicsflickable.h @@ -0,0 +1,203 @@ +/**************************************************************************** +** +** 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 QMLGRAPHICSFLICKABLE_H +#define QMLGRAPHICSFLICKABLE_H + +#include <QtDeclarative/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) + Q_PROPERTY(qreal maximumFlickVelocity READ maximumFlickVelocity WRITE setMaximumFlickVelocity) + Q_PROPERTY(qreal flickDeceleration READ flickDeceleration WRITE setFlickDeceleration) + Q_PROPERTY(bool moving READ isMoving NOTIFY movingChanged) + Q_PROPERTY(bool flicking READ isFlicking NOTIFY flickingChanged) + + Q_PROPERTY(bool interactive READ isInteractive WRITE setInteractive) + Q_PROPERTY(int pressDelay READ pressDelay WRITE setPressDelay) + + 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(QmlList<QObject *>* flickableData READ flickableData) + Q_PROPERTY(QmlList<QmlGraphicsItem *>* flickableChildren READ flickableChildren) + Q_CLASSINFO("DefaultProperty", "flickableData") + +public: + QmlGraphicsFlickable(QmlGraphicsItem *parent=0); + ~QmlGraphicsFlickable(); + + QmlList<QObject *> *flickableData(); + QmlList<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(); + +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(); + +protected: + virtual bool sceneEventFilter(QGraphicsItem *, QEvent *); + void mousePressEvent(QGraphicsSceneMouseEvent *event); + void mouseMoveEvent(QGraphicsSceneMouseEvent *event); + void mouseReleaseEvent(QGraphicsSceneMouseEvent *event); + void timerEvent(QTimerEvent *event); + + qreal visibleX() const; + qreal visibleY() const; + + 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 |