katie/src/declarative/graphicsitems/qdeclarativemousearea_p_p.h

/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Copyright (C) 2016-2019 Ivailo Monev
**
** This file is part of the QtDeclarative module of the Katie Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, 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
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****************************************************************************/

#ifndef QDECLARATIVEMOUSEREGION_P_H
#define QDECLARATIVEMOUSEREGION_P_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Katie API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//

#include "qdeclarativeitem_p.h"

#include <qdatetime.h>
#include <qbasictimer.h>
#include <qgraphicssceneevent.h>

QT_BEGIN_NAMESPACE

class QDeclarativeMouseAreaPrivate : public QDeclarativeItemPrivate
{
    Q_DECLARE_PUBLIC(QDeclarativeMouseArea)

public:
    QDeclarativeMouseAreaPrivate()
      : absorb(true), hovered(false), pressed(false), longPress(false),
      moved(false), stealMouse(false), doubleClick(false), preventStealing(false), drag(0)
    {
    }

    ~QDeclarativeMouseAreaPrivate();

    void init()
    {
        Q_Q(QDeclarativeMouseArea);
        q->setAcceptedMouseButtons(Qt::LeftButton);
        q->setFiltersChildEvents(true);
    }

    void saveEvent(QGraphicsSceneMouseEvent *event) {
        lastPos = event->pos();
        lastScenePos = event->scenePos();
        lastButton = event->button();
        lastButtons = event->buttons();
        lastModifiers = event->modifiers();
    }

    bool isPressAndHoldConnected() {
        Q_Q(QDeclarativeMouseArea);
        static int idx = QObjectPrivate::get(q)->signalIndex("pressAndHold(QDeclarativeMouseEvent*)");
        return QObjectPrivate::get(q)->isSignalConnected(idx);
    }

    bool isDoubleClickConnected() {
        Q_Q(QDeclarativeMouseArea);
        static int idx = QObjectPrivate::get(q)->signalIndex("doubleClicked(QDeclarativeMouseEvent*)");
        return QObjectPrivate::get(q)->isSignalConnected(idx);
    }

    bool absorb : 1;
    bool hovered : 1;
    bool pressed : 1;
    bool longPress : 1;
    bool moved : 1;
    bool stealMouse : 1;
    bool doubleClick : 1;
    bool preventStealing : 1;
    QDeclarativeDrag *drag;
    QPointF startScene;
    qreal startX;
    qreal startY;
    QPointF lastPos;
    QDeclarativeNullableValue<QPointF> lastScenePos;
    Qt::MouseButton lastButton;
    Qt::MouseButtons lastButtons;
    Qt::KeyboardModifiers lastModifiers;
    QBasicTimer pressAndHoldTimer;
};

QT_END_NAMESPACE

#endif // QDECLARATIVEMOUSEREGION_P_H