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// Copyright (C) 2019 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#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;
QList<CurveItem *> curves() const;
QList<CurveItem *> selectedCurves() const;
QList<KeyframeItem *> keyframes() const;
QList<KeyframeItem *> selectedKeyframes() const;
QList<HandleItem *> handles() const;
CurveItem *findCurve(unsigned int id) const;
SelectableItem *intersect(const QPointF &pos) const;
void setDirty(bool dirty);
void setIsMcu(bool isMcu);
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();
QList<CurveItem *> m_curves;
mutable bool m_dirty;
mutable QRectF m_limits;
bool m_doNotMoveItems;
QElapsedTimer m_usageTimer;
bool m_isMcu;
};
} // End namespace QmlDesigner.
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