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statistics: select multiple dives in scatter-plot by shift-clicking

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Somewhat improve selection mechanics in the scatter-plot by
allowing additional selections with shift-clicking. When the
dives under the mouse are already selected, then deselect them.
This appears to be a rather common UI idiom in desktop
applications.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
This commit is contained in:
Berthold Stoeger 2021-01-31 21:30:51 +01:00 • committed by Dirk Hohndel
parent d85b321784
commit e38b78b2aa
10 changed files with 40 additions and 12 deletions
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2
stats/statsseries.h
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@ -17,7 +17,7 @@ public:
virtual void updatePositions() = 0; // Called if chart geometry changes.
virtual bool hover(QPointF pos) = 0; // Called on mouse movement. Return true if an item of this series is highlighted.
virtual void unhighlight() = 0; // Unhighlight any highlighted item.
virtual void selectItemsUnderMouse(const QPointF &pos) = 0;
virtual void selectItemsUnderMouse(const QPointF &pos, bool shiftPressed) = 0;
virtual void divesSelected(const QVector<dive *> &dives);
protected: