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planner: fix gas selection

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The lambda that created the list of gases took a copy not a
reference of the planned dive. Of course, that never had its
gases updated. Ultimately this would crash, because this sent
an index of "-1" on change.

Fix by
1) Using a reference to the dive, not the copy
2) Catch an invalid "-1" index (by Michael Keller <github@ike.ch>)

Fixes #4188

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
This commit is contained in:
Berthold Stoeger 2024-05-12 08:43:08 +02:00 • committed by bstoeger
parent 306dad575c
commit d061a54e3d
3 changed files with 4 additions and 5 deletions
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2
qt-models/diveplannermodel.cpp
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@ -381,7 +381,7 @@ bool DivePlannerPointsModel::setData(const QModelIndex &index, const QVariant &v
if (value.toInt() >= 0)
p.cylinderid = value.toInt();
/* Did we change the start (dp 0) cylinder to another cylinderid than 0? */
if (value.toInt() != 0 && index.row() == 0)
if (value.toInt() > 0 && index.row() == 0)
cylinders.moveAtFirst(value.toInt());
cylinders.updateTrashIcon();
break;