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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtDeclarative module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** 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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QDECLARATIVEPATHVIEW_H
#define QDECLARATIVEPATHVIEW_H
#include "qdeclarativeitem.h"
#include "private/qdeclarativepath_p.h"
QT_BEGIN_NAMESPACE
QT_MODULE(Declarative)
class QDeclarativePathViewPrivate;
class QDeclarativePathViewAttached;
class Q_AUTOTEST_EXPORT QDeclarativePathView : public QDeclarativeItem
{
Q_OBJECT
Q_PROPERTY(QVariant model READ model WRITE setModel NOTIFY modelChanged)
Q_PROPERTY(QDeclarativePath *path READ path WRITE setPath NOTIFY pathChanged)
Q_PROPERTY(int currentIndex READ currentIndex WRITE setCurrentIndex NOTIFY currentIndexChanged)
Q_PROPERTY(qreal offset READ offset WRITE setOffset NOTIFY offsetChanged)
Q_PROPERTY(QDeclarativeComponent *highlight READ highlight WRITE setHighlight NOTIFY highlightChanged)
Q_PROPERTY(QDeclarativeItem *highlightItem READ highlightItem NOTIFY highlightItemChanged)
Q_PROPERTY(qreal preferredHighlightBegin READ preferredHighlightBegin WRITE setPreferredHighlightBegin NOTIFY preferredHighlightBeginChanged)
Q_PROPERTY(qreal preferredHighlightEnd READ preferredHighlightEnd WRITE setPreferredHighlightEnd NOTIFY preferredHighlightEndChanged)
Q_PROPERTY(HighlightRangeMode highlightRangeMode READ highlightRangeMode WRITE setHighlightRangeMode NOTIFY highlightRangeModeChanged)
Q_PROPERTY(int highlightMoveDuration READ highlightMoveDuration WRITE setHighlightMoveDuration NOTIFY highlightMoveDurationChanged)
Q_PROPERTY(qreal dragMargin READ dragMargin WRITE setDragMargin NOTIFY dragMarginChanged)
Q_PROPERTY(qreal flickDeceleration READ flickDeceleration WRITE setFlickDeceleration NOTIFY flickDecelerationChanged)
Q_PROPERTY(bool interactive READ isInteractive WRITE setInteractive NOTIFY interactiveChanged)
Q_PROPERTY(bool moving READ isMoving NOTIFY movingChanged)
Q_PROPERTY(bool flicking READ isFlicking NOTIFY flickingChanged)
Q_PROPERTY(int count READ count NOTIFY countChanged)
Q_PROPERTY(QDeclarativeComponent *delegate READ delegate WRITE setDelegate NOTIFY delegateChanged)
Q_PROPERTY(int pathItemCount READ pathItemCount WRITE setPathItemCount NOTIFY pathItemCountChanged)
Q_ENUMS(HighlightRangeMode)
public:
QDeclarativePathView(QDeclarativeItem *parent=0);
virtual ~QDeclarativePathView();
QVariant model() const;
void setModel(const QVariant &);
QDeclarativePath *path() const;
void setPath(QDeclarativePath *);
int currentIndex() const;
void setCurrentIndex(int idx);
qreal offset() const;
void setOffset(qreal offset);
QDeclarativeComponent *highlight() const;
void setHighlight(QDeclarativeComponent *highlight);
QDeclarativeItem *highlightItem();
enum HighlightRangeMode { NoHighlightRange, ApplyRange, StrictlyEnforceRange };
HighlightRangeMode highlightRangeMode() const;
void setHighlightRangeMode(HighlightRangeMode mode);
qreal preferredHighlightBegin() const;
void setPreferredHighlightBegin(qreal);
qreal preferredHighlightEnd() const;
void setPreferredHighlightEnd(qreal);
int highlightMoveDuration() const;
void setHighlightMoveDuration(int);
qreal dragMargin() const;
void setDragMargin(qreal margin);
qreal flickDeceleration() const;
void setFlickDeceleration(qreal dec);
bool isInteractive() const;
void setInteractive(bool);
bool isMoving() const;
bool isFlicking() const;
int count() const;
QDeclarativeComponent *delegate() const;
void setDelegate(QDeclarativeComponent *);
int pathItemCount() const;
void setPathItemCount(int);
static QDeclarativePathViewAttached *qmlAttachedProperties(QObject *);
public Q_SLOTS:
void incrementCurrentIndex();
void decrementCurrentIndex();
Q_SIGNALS:
void currentIndexChanged();
void offsetChanged();
void modelChanged();
void countChanged();
void pathChanged();
void preferredHighlightBeginChanged();
void preferredHighlightEndChanged();
void highlightRangeModeChanged();
void dragMarginChanged();
void snapPositionChanged();
void delegateChanged();
void pathItemCountChanged();
void flickDecelerationChanged();
void interactiveChanged();
void movingChanged();
void flickingChanged();
void highlightChanged();
void highlightItemChanged();
void highlightMoveDurationChanged();
void movementStarted();
void movementEnded();
void flickStarted();
void flickEnded();
protected:
void mousePressEvent(QGraphicsSceneMouseEvent *event);
void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
void mouseReleaseEvent(QGraphicsSceneMouseEvent *);
bool sendMouseEvent(QGraphicsSceneMouseEvent *event);
bool sceneEventFilter(QGraphicsItem *, QEvent *);
bool event(QEvent *event);
void componentComplete();
private Q_SLOTS:
void refill();
void ticked();
void movementEnding();
void itemsInserted(int index, int count);
void itemsRemoved(int index, int count);
void itemsMoved(int,int,int);
void modelReset();
void createdItem(int index, QDeclarativeItem *item);
void destroyingItem(QDeclarativeItem *item);
void pathUpdated();
private:
friend class QDeclarativePathViewAttached;
Q_DISABLE_COPY(QDeclarativePathView)
Q_DECLARE_PRIVATE_D(QGraphicsItem::d_ptr.data(), QDeclarativePathView)
};
class QDeclarativeOpenMetaObject;
class QDeclarativePathViewAttached : public QObject
{
Q_OBJECT
Q_PROPERTY(QDeclarativePathView *view READ view CONSTANT)
Q_PROPERTY(bool isCurrentItem READ isCurrentItem NOTIFY currentItemChanged)
Q_PROPERTY(bool onPath READ isOnPath NOTIFY pathChanged)
public:
QDeclarativePathViewAttached(QObject *parent);
~QDeclarativePathViewAttached();
QDeclarativePathView *view() { return m_view; }
bool isCurrentItem() const { return m_isCurrent; }
void setIsCurrentItem(bool c) {
if (m_isCurrent != c) {
m_isCurrent = c;
emit currentItemChanged();
}
}
QVariant value(const QByteArray &name) const;
void setValue(const QByteArray &name, const QVariant &val);
bool isOnPath() const { return m_onPath; }
void setOnPath(bool on) {
if (on != m_onPath) {
m_onPath = on;
emit pathChanged();
}
}
qreal m_percent;
Q_SIGNALS:
void currentItemChanged();
void pathChanged();
private:
friend class QDeclarativePathViewPrivate;
friend class QDeclarativePathView;
QDeclarativePathView *m_view;
QDeclarativeOpenMetaObject *m_metaobject;
bool m_onPath : 1;
bool m_isCurrent : 1;
};
QT_END_NAMESPACE
QML_DECLARE_TYPE(QDeclarativePathView)
QML_DECLARE_TYPEINFO(QDeclarativePathView, QML_HAS_ATTACHED_PROPERTIES)
#endif // QDECLARATIVEPATHVIEW_H
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