File indexing completed on 2024-05-12 03:48:19

 /*
     File                 : InfoElement.h
     Project              : LabPlot
     Description          : Marker which can highlight points of curves and
                            show their values
     --------------------------------------------------------------------
     SPDX-FileCopyrightText: 2020 Martin Marmsoler <martin.marmsoler@gmail.com>
     SPDX-FileCopyrightText: 2020-2022 Alexander Semke <alexander.semke@web.de>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #ifndef INFOELEMENT_H
 #define INFOELEMENT_H
 
 #include "WorksheetElement.h"
 #include "backend/worksheet/TextLabel.h"
 
 class CartesianPlot;
 class CustomPoint;
 class InfoElementPrivate;
 class Line;
 class QAction;
 class QGraphicsItem;
 class QMenu;
 class XYCurve;
 
 class InfoElement : public WorksheetElement {
     Q_OBJECT
 
 public:
     InfoElement(const QString& name, CartesianPlot*);
     InfoElement(const QString& name, CartesianPlot*, const XYCurve*, double logicalPos);
     virtual void setParentGraphicsItem(QGraphicsItem* item) override;
     ~InfoElement();
 
     struct MarkerPoints_T {
         MarkerPoints_T() = default;
         MarkerPoints_T(CustomPoint* custompoint, const XYCurve* curve, QString curvePath)
             : customPoint(custompoint)
             , curve(curve)
             , curvePath(curvePath) {
         }
         CustomPoint* customPoint{nullptr};
         const XYCurve* curve{nullptr};
         QString curvePath;
     };
 
     void save(QXmlStreamWriter*) const override;
     bool load(XmlStreamReader*, bool preview) override;
     void loadThemeConfig(const KConfig&) override;
 
     TextLabel* title();
     void addCurve(const XYCurve*, CustomPoint* = nullptr);
     void addCurvePath(QString& curvePath, CustomPoint* = nullptr);
     bool assignCurve(const QVector<XYCurve*>&);
     void removeCurve(const XYCurve*);
     void setZValue(qreal) override;
     int markerPointsCount();
     MarkerPoints_T markerPointAt(int index);
     int gluePointsCount();
     TextLabel::GluePoint gluePoint(int index);
     TextLabel::TextWrapper createTextLabelText();
     QMenu* createContextMenu() override;
 
     bool isTextLabel() const;
     double setMarkerpointPosition(double x);
     int currentIndex(double new_x, double* found_x = nullptr);
 
     void retransform() override;
     void handleResize(double horizontalRatio, double verticalRatio, bool pageResize) override;
 
     BASIC_D_ACCESSOR_DECL(double, positionLogical, PositionLogical)
     BASIC_D_ACCESSOR_DECL(int, gluePointIndex, GluePointIndex)
     CLASS_D_ACCESSOR_DECL(QString, connectionLineCurveName, ConnectionLineCurveName)
     Line* verticalLine() const;
     Line* connectionLine() const;
 
     virtual void setVisible(bool on) override;
 
     typedef InfoElementPrivate Private;
 
 public Q_SLOTS:
     void labelPositionChanged(TextLabel::PositionWrapper);
     void labelVisibleChanged(bool);
     void pointPositionChanged(const PositionWrapper&);
     void childRemoved(const AbstractAspect* parent, const AbstractAspect* before, const AbstractAspect* child);
     void childAdded(const AbstractAspect*);
     void labelBorderShapeChanged();
     void labelTextWrapperChanged(TextLabel::TextWrapper);
     void moveElementBegin();
     void moveElementEnd();
     void curveVisibilityChanged();
     void curveDataChanged();
     void curveCoordinateSystemIndexChanged(int);
 
 private:
     Q_DECLARE_PRIVATE(InfoElement)
     TextLabel* m_title{nullptr};
     QVector<struct MarkerPoints_T> markerpoints;
     bool m_menusInitialized{false};
     bool m_suppressChildRemoved{false};
     bool m_suppressChildPositionChanged{false};
     bool m_setTextLabelText{false};
     /*!
      * This variable is set when a curve is moved in the order, because there
      * the curve is removed and readded and we would like to ignore this remove and
      * add. Because of single thread it makes no problems.
      */
     bool m_curveGetsMoved{false};
 
     void init();
     void initActions();
     void initMenus();
     void initCurveConnections(const XYCurve*);
 
 Q_SIGNALS:
     void gluePointIndexChanged(const int);
     void connectionLineCurveNameChanged(const QString&);
     void positionLogicalChanged(const double);
     void labelBorderShapeChangedSignal();
     void curveRemoved(const QString&);
 };
 
 #endif // INFOELEMENT_H