src/declarative/graphicsitems/qdeclarativemousearea_p_p.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Wed, 18 Aug 2010 10:37:55 +0300
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/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the QtDeclarative module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file.  Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights.  These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QDECLARATIVEMOUSEREGION_P_H
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#define QDECLARATIVEMOUSEREGION_P_H
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//
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//  W A R N I N G
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//  -------------
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//
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// This file is not part of the Qt API.  It exists purely as an
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// implementation detail.  This header file may change from version to
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// version without notice, or even be removed.
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//
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// We mean it.
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//
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#include "private/qdeclarativeitem_p.h"
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#include <qdatetime.h>
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#include <qbasictimer.h>
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#include <qgraphicssceneevent.h>
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QT_BEGIN_NAMESPACE
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class QDeclarativeMouseAreaPrivate : public QDeclarativeItemPrivate
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{
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    Q_DECLARE_PUBLIC(QDeclarativeMouseArea)
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public:
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    QDeclarativeMouseAreaPrivate()
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      : absorb(true), hovered(false), pressed(false), longPress(false),
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      moved(false), stealMouse(false), drag(0)
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    {
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    }
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    ~QDeclarativeMouseAreaPrivate();
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    void init()
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    {
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        Q_Q(QDeclarativeMouseArea);
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        q->setAcceptedMouseButtons(Qt::LeftButton);
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        q->setFiltersChildEvents(true);
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    }
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    void saveEvent(QGraphicsSceneMouseEvent *event) {
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        lastPos = event->pos();
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        lastScenePos = event->scenePos();
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        lastButton = event->button();
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        lastButtons = event->buttons();
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        lastModifiers = event->modifiers();
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    }
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    bool isPressAndHoldConnected() {
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        Q_Q(QDeclarativeMouseArea);
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        static int idx = QObjectPrivate::get(q)->signalIndex("pressAndHold(QDeclarativeMouseEvent*)");
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        return QObjectPrivate::get(q)->isSignalConnected(idx);
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    }
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    bool absorb : 1;
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    bool hovered : 1;
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    bool pressed : 1;
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    bool longPress : 1;
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    bool moved : 1;
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    bool dragX : 1;
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    bool dragY : 1;
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    bool stealMouse : 1;
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    QDeclarativeDrag *drag;
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    QPointF startScene;
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    qreal startX;
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    qreal startY;
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    QPointF lastPos;
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    QDeclarativeNullableValue<QPointF> lastScenePos;
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    Qt::MouseButton lastButton;
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    Qt::MouseButtons lastButtons;
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    Qt::KeyboardModifiers lastModifiers;
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    QBasicTimer pressAndHoldTimer;
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};
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QT_END_NAMESPACE
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#endif // QDECLARATIVEMOUSEREGION_P_H