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| author |  Dirk Hohndel <dirk@hohndel.org> | 2013-11-19 05:00:09 -0800 |
|---|---|---|
| committer | Dirk Hohndel <dirk@hohndel.org> | 2013-11-19 05:02:08 -0800 |
| commit | 1a5e94006c5bcdf648ca791d1d9d1d44f1ec1a03 (patch) | |
| tree | 4236d0c3135d42e5f5cb7f747c5583b1bf0b04ca /qt-ui/models.cpp | |
| parent | 4619bfd9ca1d4ee6c32acd8776a4dd460dc3835f (diff) | |
| download | subsurface-1a5e94006c5bcdf648ca791d1d9d1d44f1ec1a03.tar.gz | |
Sanity check on gas percentages
O2 + He + N2 = 100%
(well, there are some other gases, but this is close enough)
Since N2 can't be negative that means we should refuse any change where
O2 + He > 100% (or o2.permille + he.permille > 1000).
Fixes #280
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
Diffstat (limited to 'qt-ui/models.cpp')
| -rw-r--r-- | qt-ui/models.cpp | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/qt-ui/models.cpp b/qt-ui/models.cpp index b76bd6b8e..2a0f9e98e 100644 --- a/qt-ui/models.cpp +++ b/qt-ui/models.cpp @@ -284,14 +284,20 @@ bool CylindersModel::setData(const QModelIndex& index, const QVariant& value, in break; case O2: if (CHANGED(toDouble, "%", "%")) { - cyl->gasmix.o2.permille = value.toString().remove('%').toDouble() * 10 + 0.5; - changed = true; + int o2 = value.toString().remove('%').toDouble() * 10 + 0.5; + if (cyl->gasmix.he.permille + o2 <= 1000) { + cyl->gasmix.o2.permille = o2; + changed = true; + } } break; case HE: if (CHANGED(toDouble, "%", "%")) { - cyl->gasmix.he.permille = value.toString().remove('%').toDouble() * 10 + 0.5; - changed = true; + int he = value.toString().remove('%').toDouble() * 10 + 0.5; + if (cyl->gasmix.o2.permille + he <= 1000) { + cyl->gasmix.he.permille = he; + changed = true; + } } break; case DEPTH: |