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The series were passed a pointer to the QGraphicsScene to add their item. In the future these items will be replaced by QSGNodes. To add these, the series need a reference to the StatsView. Therefore pass it in the constructor. Once everything is replaces by QSGNodes, remove the QGraphicsScene member. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
27 lines
852 B
C++
27 lines
852 B
C++
// SPDX-License-Identifier: GPL-2.0
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// Base class for all series. Defines a small virtual interface
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// concerning highlighting of series items.
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#ifndef STATS_SERIES_H
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#define STATS_SERIES_H
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#include <QPointF>
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class QGraphicsScene;
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class StatsAxis;
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class StatsView;
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class StatsSeries {
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public:
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StatsSeries(QGraphicsScene *scene, StatsView &view, StatsAxis *xAxis, StatsAxis *yAxis);
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virtual ~StatsSeries();
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virtual void updatePositions() = 0; // Called if chart geometry changes.
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virtual bool hover(QPointF pos) = 0; // Called on mouse movement. Return true if an item of this series is highlighted.
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virtual void unhighlight() = 0; // Unhighlight any highlighted item.
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protected:
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QGraphicsScene *scene;
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StatsView &view;
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StatsAxis *xAxis, *yAxis; // May be zero for charts without axes (pie charts).
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QPointF toScreen(QPointF p);
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};
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#endif
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