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/****************************************************************************
**
** Copyright (C) 2018 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** 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 The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
#pragma once
#include "timelineconstants.h"
#include <QCoreApplication>
#include <QGraphicsRectItem>
namespace QmlDesigner {
class AbstractScrollGraphicsScene;
class TimelineKeyframeItem;
class TimelineFrameHandle;
class TimelineMovableAbstractItem : public QGraphicsRectItem
{
Q_DECLARE_TR_FUNCTIONS(TimelineMovableAbstractItem)
public:
enum { Type = TimelineConstants::moveableAbstractItemUserType };
explicit TimelineMovableAbstractItem(QGraphicsItem *item);
int type() const override;
static TimelineMovableAbstractItem *cast(QGraphicsItem *item);
static TimelineMovableAbstractItem *topMoveableItem(const QList<QGraphicsItem *> &items);
static void emitScrollOffsetChanged(QGraphicsItem *item);
static TimelineKeyframeItem *asTimelineKeyframeItem(QGraphicsItem *item);
qreal rulerScaling() const;
virtual void setPositionInteractive(const QPointF &point);
virtual void commitPosition(const QPointF &point);
virtual void itemMoved(const QPointF &start, const QPointF &end);
virtual void itemDoubleClicked();
int xPosScrollOffset(int x) const;
qreal mapFromFrameToScene(qreal x) const;
qreal mapFromSceneToFrame(qreal x) const;
virtual void scrollOffsetChanged() = 0;
virtual TimelineKeyframeItem *asTimelineKeyframeItem();
virtual TimelineFrameHandle *asTimelineFrameHandle();
virtual bool isLocked() const;
protected:
int scrollOffset() const;
void mousePressEvent(QGraphicsSceneMouseEvent *event) override;
void mouseReleaseEvent(QGraphicsSceneMouseEvent *event) override;
void setClampedXPosition(qreal x, qreal min, qreal max);
AbstractScrollGraphicsScene *abstractScrollGraphicsScene() const;
};
} // namespace QmlDesigner
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