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statistics: implement rectangle selection in scatter plot

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Allow the user to select regions of the scatter plot using
a rectangular selection. When shift is pressed, do an
incremental selection.

Unfortunately, the list-selection code is so slow that this
becomes unusable for a large number of selected dives.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
This commit is contained in:
Berthold Stoeger 2021-02-01 23:17:04 +01:00 • committed by Dirk Hohndel
parent e38b78b2aa
commit d63d4cd3c3
16 changed files with 207 additions and 36 deletions
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9
stats/statsseries.cpp
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@ -20,3 +20,12 @@ QPointF StatsSeries::toScreen(QPointF p)
void StatsSeries::divesSelected(const QVector<dive *> &)
{
}
bool StatsSeries::supportsLassoSelection() const
{
return false;
}
void StatsSeries::selectItemsInRect(const QRectF &, bool, const std::vector<dive *> &)
{
}