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64b82b16a2
Up to now, we passed a "shiftPressed" flag to the individual selection functions. To be more general replace by a struct with "shift" and "ctrl" flags. While doing this: 1) Move the struct into a new statsselection file for better encapsulation. 2) Change shift to control in the scatter series, since individual selection of items is usually done with control, not shift. Shift usually means "select range". Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
72 lines
2.1 KiB
C++
72 lines
2.1 KiB
C++
// SPDX-License-Identifier: GPL-2.0
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// A pie chart series, which displays percentual information.
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#ifndef PIE_SERIES_H
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#define PIE_SERIES_H
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#include "statshelper.h"
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#include "statsseries.h"
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#include <memory>
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#include <vector>
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#include <QString>
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struct dive;
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struct InformationBox;
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struct ChartPieItem;
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struct ChartTextItem;
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class QRectF;
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class PieSeries : public StatsSeries {
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public:
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// The pie series is initialized with (name, count) pairs.
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// If keepOrder is false, bins will be sorted by size, otherwise the sorting
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// of the shown bins will be retained. Small bins are omitted for clarity.
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PieSeries(StatsView &view, StatsAxis *xAxis, StatsAxis *yAxis, const QString &categoryName,
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std::vector<std::pair<QString, std::vector<dive *>>> data, bool keepOrder);
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~PieSeries();
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void updatePositions() override;
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bool hover(QPointF pos) override;
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void unhighlight() override;
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bool selectItemsUnderMouse(const QPointF &point, SelectionModifier modifier) override;
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std::vector<QString> binNames();
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private:
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// Get item under mouse pointer, or -1 if none
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int getItemUnderMouse(const QPointF &f) const;
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ChartItemPtr<ChartPieItem> item;
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QString categoryName;
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std::vector<QString> makeInfo(int idx) const;
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struct Item {
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ChartItemPtr<ChartTextItem> innerLabel, outerLabel;
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QString name;
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double angleFrom, angleTo; // In fraction of total
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std::vector<dive *> dives;
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QPointF innerLabelPos, outerLabelPos; // With respect to a (-1, -1)-(1, 1) rectangle.
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bool selected;
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Item(StatsView &view, const QString &name, int from, std::vector<dive *> dives, int totalCount,
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int bin_nr, int numBins);
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void updatePositions(const QPointF ¢er, double radius);
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void highlight(ChartPieItem &item, int bin_nr, bool highlight, int numBins);
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};
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std::vector<Item> items;
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int totalCount;
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// Entries in the "other" group. If empty, there is no "other" group.
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struct OtherItem {
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QString name;
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int count;
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};
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std::vector<OtherItem> other;
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ChartItemPtr<InformationBox> information;
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QPointF center; // center of drawing area
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double radius; // radius of pie
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int highlighted;
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void divesSelected(const QVector<dive *> &) override;
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};
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#endif
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