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Small fixes to the model

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Prevent a crash when no cylinder type description is set.

Correctly calculate the cylinder volume.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Dirk Hohndel 2013-05-22 16:22:21 -07:00
parent 76903849de
commit 7bf07b890a
1 changed files with 5 additions and 4 deletions
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9
qt-ui/models.cpp
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@ -123,7 +123,7 @@ bool CylindersModel::setData(const QModelIndex& index, const QVariant& value, in
case TYPE:
if (!value.isNull()) {
char *text = value.toByteArray().data();
if (strcmp(cyl->type.description, text)) {
if (!cyl->type.description || strcmp(cyl->type.description, text)) {
cyl->type.description = strdup(text);
mark_divelist_changed(TRUE);
}
@ -431,9 +431,10 @@ QVariant TankInfoModel::data(const QModelIndex& index, int role) const
int bar = ((info->psi) ? psi_to_bar(info->psi) : info->bar) * 1000 + 0.5;
if (info->cuft) {
double airvolume = cuft_to_l(info->cuft) * 1000.0;
ml = airvolume / bar_to_atm(bar) + 0.5;
if (info->cuft && info->psi) {
pressure_t p;
p.mbar = psi_to_mbar(info->psi);
ml = wet_volume(info->cuft, p);
}
if (role == Qt::DisplayRole) {
switch(index.column()) {