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/****************************************************************************
**
** Copyright (C) 2019 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Design Tooling
**
** 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 "keyframeitem.h"
#include <QElapsedTimer>
#include <QGraphicsScene>
namespace QmlDesigner {
class AnimationCurve;
class CurveItem;
class GraphicsView;
class GraphicsScene : public QGraphicsScene
{
Q_OBJECT
signals:
void curveMessage(const QString& msg);
void curveChanged(unsigned int id, const AnimationCurve &curve);
public:
GraphicsScene(QObject *parent = nullptr);
~GraphicsScene() override;
bool empty() const;
bool hasActiveKeyframe() const;
bool hasActiveHandle() const;
bool hasActiveItem() const;
bool hasSelectedKeyframe() const;
bool hasEditableSegment(double time) const;
double minimumTime() const;
double maximumTime() const;
double minimumValue() const;
double maximumValue() const;
double animationRangeMin() const;
double animationRangeMax() const;
QRectF rect() const;
QVector<CurveItem *> curves() const;
QVector<CurveItem *> selectedCurves() const;
QVector<KeyframeItem *> keyframes() const;
QVector<KeyframeItem *> selectedKeyframes() const;
QVector<HandleItem *> handles() const;
CurveItem *findCurve(unsigned int id) const;
SelectableItem *intersect(const QPointF &pos) const;
void setDirty(bool dirty);
void reset();
void deleteSelectedKeyframes();
void insertKeyframe(double time, bool all = false);
void doNotMoveItems(bool tmp);
void removeCurveItem(unsigned int id);
void addCurveItem(CurveItem *item);
void moveToBottom(CurveItem *item);
void moveToTop(CurveItem *item);
void setComponentTransform(const QTransform &transform);
void keyframeMoved(KeyframeItem *item, const QPointF &direction);
void handleUnderMouse(HandleItem *handle);
void handleMoved(KeyframeItem *frame, HandleItem::Slot slot, double angle, double deltaLength);
void setPinned(uint id, bool pinned);
std::vector<CurveItem *> takePinnedItems();
protected:
void mouseMoveEvent(QGraphicsSceneMouseEvent *mouseEvent) override;
void mouseReleaseEvent(QGraphicsSceneMouseEvent *mouseEvent) override;
void focusOutEvent(QFocusEvent *focusEvent) override;
void focusInEvent(QFocusEvent *focusEvent) override;
private:
using QGraphicsScene::addItem;
using QGraphicsScene::clear;
using QGraphicsScene::removeItem;
GraphicsView *graphicsView() const;
QRectF limits() const;
void resetZValues();
QVector<CurveItem *> m_curves;
mutable bool m_dirty;
mutable QRectF m_limits;
bool m_doNotMoveItems;
QElapsedTimer m_usageTimer;
};
} // End namespace QmlDesigner.
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