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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 QMLGRAPHICSMOUSEAREA_H
#define QMLGRAPHICSMOUSEAREA_H
#include "qmlgraphicsitem.h"
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Declarative)
class Q_DECLARATIVE_EXPORT QmlGraphicsDrag : public QObject
{
Q_OBJECT
Q_ENUMS(Axis)
Q_PROPERTY(QmlGraphicsItem *target READ target WRITE setTarget NOTIFY targetChanged)
Q_PROPERTY(Axis axis READ axis WRITE setAxis NOTIFY axisChanged)
Q_PROPERTY(qreal minimumX READ xmin WRITE setXmin NOTIFY minimumXChanged)
Q_PROPERTY(qreal maximumX READ xmax WRITE setXmax NOTIFY maximumXChanged)
Q_PROPERTY(qreal minimumY READ ymin WRITE setYmin NOTIFY minimumYChanged)
Q_PROPERTY(qreal maximumY READ ymax WRITE setYmax NOTIFY maximumYChanged)
//### consider drag and drop
public:
QmlGraphicsDrag(QObject *parent=0);
~QmlGraphicsDrag();
QmlGraphicsItem *target() const;
void setTarget(QmlGraphicsItem *);
enum Axis { XAxis=0x01, YAxis=0x02, XandYAxis=0x03 };
Axis axis() const;
void setAxis(Axis);
qreal xmin() const;
void setXmin(qreal);
qreal xmax() const;
void setXmax(qreal);
qreal ymin() const;
void setYmin(qreal);
qreal ymax() const;
void setYmax(qreal);
Q_SIGNALS:
void targetChanged();
void axisChanged();
void minimumXChanged();
void maximumXChanged();
void minimumYChanged();
void maximumYChanged();
private:
QmlGraphicsItem *_target;
Axis _axis;
qreal _xmin;
qreal _xmax;
qreal _ymin;
qreal _ymax;
Q_DISABLE_COPY(QmlGraphicsDrag)
};
class QmlGraphicsMouseEvent;
class QmlGraphicsMouseAreaPrivate;
class Q_DECLARATIVE_EXPORT QmlGraphicsMouseArea : public QmlGraphicsItem
{
Q_OBJECT
Q_PROPERTY(qreal mouseX READ mouseX NOTIFY positionChanged)
Q_PROPERTY(qreal mouseY READ mouseY NOTIFY positionChanged)
Q_PROPERTY(bool containsMouse READ hovered NOTIFY hoveredChanged)
Q_PROPERTY(bool pressed READ pressed NOTIFY pressedChanged)
Q_PROPERTY(bool enabled READ isEnabled WRITE setEnabled NOTIFY enabledChanged)
Q_PROPERTY(Qt::MouseButtons pressedButtons READ pressedButtons NOTIFY pressedChanged)
Q_PROPERTY(Qt::MouseButtons acceptedButtons READ acceptedButtons WRITE setAcceptedButtons NOTIFY acceptedButtonsChanged)
Q_PROPERTY(bool hoverEnabled READ acceptHoverEvents WRITE setAcceptHoverEvents)
Q_PROPERTY(QmlGraphicsDrag *drag READ drag CONSTANT) //### add flicking to QmlGraphicsDrag or add a QmlGraphicsFlick ???
public:
QmlGraphicsMouseArea(QmlGraphicsItem *parent=0);
~QmlGraphicsMouseArea();
qreal mouseX() const;
qreal mouseY() const;
bool isEnabled() const;
void setEnabled(bool);
bool hovered() const;
bool pressed() const;
Qt::MouseButtons pressedButtons() const;
Qt::MouseButtons acceptedButtons() const;
void setAcceptedButtons(Qt::MouseButtons buttons);
QmlGraphicsDrag *drag();
Q_SIGNALS:
void hoveredChanged();
void pressedChanged();
void enabledChanged();
void acceptedButtonsChanged();
void positionChanged(QmlGraphicsMouseEvent *mouse);
void pressed(QmlGraphicsMouseEvent *mouse);
void pressAndHold(QmlGraphicsMouseEvent *mouse);
void released(QmlGraphicsMouseEvent *mouse);
void clicked(QmlGraphicsMouseEvent *mouse);
void doubleClicked(QmlGraphicsMouseEvent *mouse);
void entered();
void exited();
protected:
void setHovered(bool);
bool setPressed(bool);
void mousePressEvent(QGraphicsSceneMouseEvent *event);
void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
void mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event);
void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
void hoverEnterEvent(QGraphicsSceneHoverEvent *event);
void hoverMoveEvent(QGraphicsSceneHoverEvent *event);
void hoverLeaveEvent(QGraphicsSceneHoverEvent *event);
bool sceneEvent(QEvent *);
void timerEvent(QTimerEvent *event);
private:
void handlePress();
void handleRelease();
private:
Q_DISABLE_COPY(QmlGraphicsMouseArea)
Q_DECLARE_PRIVATE_D(QGraphicsItem::d_ptr.data(), QmlGraphicsMouseArea)
};
QT_END_NAMESPACE
QML_DECLARE_TYPE(QmlGraphicsDrag)
QML_DECLARE_TYPE(QmlGraphicsMouseArea)
QT_END_HEADER
#endif // QMLGRAPHICSMOUSEAREA_H
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