409f159e1d
This is lazy: Derive from the bar chart item and add whiskers in the subclassed render() function. The code is ugly, because the base class function clears the dirty flags and therefore the derived class has to remember them. Oh well. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
58 lines
1.7 KiB
C++
58 lines
1.7 KiB
C++
// SPDX-License-Identifier: GPL-2.0
|
|
// A small custom box plot series, which displays quartiles.
|
|
// The QtCharts bar series were too inflexible with respect
|
|
// to placement of the bars.
|
|
#ifndef BOX_SERIES_H
|
|
#define BOX_SERIES_H
|
|
|
|
#include "chartitem.h"
|
|
#include "statsseries.h"
|
|
#include "statsvariables.h" // for StatsQuartiles
|
|
|
|
#include <memory>
|
|
#include <vector>
|
|
|
|
struct InformationBox;
|
|
class QGraphicsScene;
|
|
|
|
class BoxSeries : public StatsSeries {
|
|
public:
|
|
BoxSeries(QGraphicsScene *scene, StatsView &view, StatsAxis *xAxis, StatsAxis *yAxis,
|
|
const QString &variable, const QString &unit, int decimals);
|
|
~BoxSeries();
|
|
|
|
void updatePositions() override;
|
|
bool hover(QPointF pos) override;
|
|
void unhighlight() override;
|
|
|
|
// Note: this expects that all items are added with increasing pos
|
|
// and that no bar is inside another bar, i.e. lowerBound and upperBound
|
|
// are ordered identically.
|
|
void append(double lowerBound, double upperBound, const StatsQuartiles &q, const QString &binName);
|
|
|
|
private:
|
|
// Get item under mouse pointer, or -1 if none
|
|
int getItemUnderMouse(const QPointF &f);
|
|
|
|
struct Item {
|
|
std::unique_ptr<ChartBoxItem> item;
|
|
double lowerBound, upperBound;
|
|
StatsQuartiles q;
|
|
QString binName;
|
|
Item(StatsView &view, BoxSeries *series, double lowerBound, double upperBound, const StatsQuartiles &q, const QString &binName);
|
|
~Item();
|
|
void updatePosition(BoxSeries *series);
|
|
void highlight(bool highlight);
|
|
};
|
|
|
|
QString variable, unit;
|
|
int decimals;
|
|
|
|
std::vector<QString> formatInformation(const Item &item) const;
|
|
std::unique_ptr<InformationBox> information;
|
|
std::vector<std::unique_ptr<Item>> items;
|
|
int highlighted; // -1: no item highlighted
|
|
};
|
|
|
|
#endif
|