File indexing completed on 2024-05-12 03:47:29

 /*
     File                 : DatapickerPoint.h
     Project              : LabPlot
     Description          : Graphic Item for coordinate points of Datapicker
     --------------------------------------------------------------------
     SPDX-FileCopyrightText: 2015 Ankit Wagadre <wagadre.ankit@gmail.com>
     SPDX-FileCopyrightText: 2015-2019 Alexander Semke <alexander.semke@web.de>
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #ifndef DATAPICKERPOINT_H
 #define DATAPICKERPOINT_H
 
 #include "backend/datapicker/DatapickerCurve.h"
 #include "backend/lib/macros.h"
 
 #include <QGraphicsItem>
 
 // TODO: own file
 class ErrorBarItem : public QObject, public QGraphicsRectItem {
     Q_OBJECT
 
 public:
     enum class ErrorBarType { PlusDeltaX, MinusDeltaX, PlusDeltaY, MinusDeltaY };
 
     explicit ErrorBarItem(DatapickerPoint* parent = nullptr, ErrorBarType type = ErrorBarType::PlusDeltaX);
     void setRectSize(const qreal);
 
 public Q_SLOTS:
     void setPosition(QPointF);
 
 private:
     void initRect();
     void mouseReleaseEvent(QGraphicsSceneMouseEvent*) override;
     void hoverEnterEvent(QGraphicsSceneHoverEvent*) override;
     QVariant itemChange(GraphicsItemChange, const QVariant& value) override;
 
     QGraphicsLineItem* barLineItem;
     QRectF m_rect;
     ErrorBarType m_type;
     DatapickerPoint* m_parentItem;
 };
 
 class DatapickerPointPrivate;
 class DatapickerPoint : public AbstractAspect {
     Q_OBJECT
 
 public:
     explicit DatapickerPoint(const QString& name);
     ~DatapickerPoint() override;
 
     QIcon icon() const override;
     QMenu* createContextMenu() override;
     QGraphicsItem* graphicsItem() const;
     void setParentGraphicsItem(QGraphicsItem*);
     void setPrinting(bool);
     void initErrorBar(DatapickerCurve::Errors);
 
     void save(QXmlStreamWriter*) const override;
     bool load(XmlStreamReader*, bool preview) override;
 
     BASIC_D_ACCESSOR_DECL(QPointF, position, Position)
     BASIC_D_ACCESSOR_DECL(QPointF, plusDeltaXPos, PlusDeltaXPos)
     BASIC_D_ACCESSOR_DECL(QPointF, minusDeltaXPos, MinusDeltaXPos)
     BASIC_D_ACCESSOR_DECL(QPointF, plusDeltaYPos, PlusDeltaYPos)
     BASIC_D_ACCESSOR_DECL(QPointF, minusDeltaYPos, MinusDeltaYPos)
 
     void setIsReferencePoint(bool);
     bool isReferencePoint() const;
 
     typedef DatapickerPointPrivate Private;
 
 public Q_SLOTS:
     void retransform();
 
 protected:
     DatapickerPointPrivate* const d_ptr;
     DatapickerPoint(const QString& name, DatapickerPointPrivate* dd);
     static QPen selectedPen;
     static float selectedOpacity;
 
 private:
     Q_DECLARE_PRIVATE(DatapickerPoint)
     void init();
 
     QList<ErrorBarItem*> m_errorBarItemList;
 
 Q_SIGNALS:
     void positionChanged(QPointF);
     void plusDeltaXPosChanged(QPointF);
     void minusDeltaXPosChanged(QPointF);
     void plusDeltaYPosChanged(QPointF);
     void minusDeltaYPosChanged(QPointF);
     void pointSelected(const DatapickerPoint*);
 
     friend class DatapickerTest;
 };
 
 #endif