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// Copyright (C) 2019 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR GPL-3.0 WITH Qt-GPL-exception-1.0
#pragma once
#include "curveeditorstyle.h"
#include "handleitem.h"
#include "keyframe.h"
#include "selectableitem.h"
#include <utils/optional.h>
#include <QGraphicsObject>
namespace QmlDesigner {
class HandleItem;
class KeyframeItem : public SelectableItem
{
Q_OBJECT
signals:
void redrawCurve();
void keyframeMoved(KeyframeItem *item, const QPointF &direction);
void handleMoved(KeyframeItem *frame, HandleItem::Slot slot, double angle, double deltaLength);
public:
KeyframeItem(QGraphicsItem *parent = nullptr);
KeyframeItem(const Keyframe &keyframe, QGraphicsItem *parent = nullptr);
~KeyframeItem() override;
enum { Type = ItemTypeKeyframe };
int type() const override;
QRectF boundingRect() const override;
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) override;
void lockedCallback() override;
Keyframe keyframe(bool remap = false) const;
bool isUnified() const;
bool hasLeftHandle() const;
bool hasRightHandle() const;
bool hasActiveHandle() const;
HandleItem *leftHandle() const;
HandleItem *rightHandle() const;
CurveSegment segment(HandleItem::Slot slot) const;
QTransform transform() const;
void setHandleVisibility(bool visible);
void setComponentTransform(const QTransform &transform);
void setStyle(const CurveEditorStyle &style);
void setKeyframe(const Keyframe &keyframe);
void toggleUnified();
void setActivated(bool active, HandleItem::Slot slot);
void setInterpolation(Keyframe::Interpolation interpolation);
void setLeftHandle(const QPointF &pos);
void setRightHandle(const QPointF &pos);
void moveKeyframe(const QPointF &direction);
void moveHandle(HandleItem::Slot slot, double deltaAngle, double deltaLength);
void remapValue(double min, double max);
protected:
QVariant itemChange(QGraphicsItem::GraphicsItemChange change, const QVariant &value) override;
void mousePressEvent(QGraphicsSceneMouseEvent *event) override;
void mouseReleaseEvent(QGraphicsSceneMouseEvent *event) override;
void selectionCallback() override;
private:
void updatePosition(bool emit = true);
void updateHandle(HandleItem *handle, bool emit = true);
private:
QTransform m_transform;
KeyframeItemStyleOption m_style;
Keyframe m_frame;
HandleItem *m_left;
HandleItem *m_right;
Utils::optional< QPointF > m_firstPos;
Utils::optional< QPointF > m_validPos;
bool m_visibleOverride = true;
double m_min = 0.0;
double m_max = 1.0;
};
} // End namespace QmlDesigner.
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