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Fix edit + cancel = absolute zero

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If a temperature in Kelvin is 0, I think we can safely assume it is
not set.

Fixes #207.

Signed-off-by: Patrick Valsecchi <patrick@thus.ch>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Patrick Valsecchi 2013-10-08 10:32:08 +02:00 committed by Dirk Hohndel
parent a13992a44b
commit d0e9d1f383
1 changed files with 3 additions and 1 deletions
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4
qt-gui.cpp
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@ -269,7 +269,9 @@ QString get_cylinder_used_gas_string(cylinder_t *cyl, bool showunit)
QString get_temperature_string(temperature_t temp, bool showunit)
{
if (prefs.units.temperature == units::CELSIUS) {
if (temp.mkelvin == 0) {
return ""; //temperature not defined
} else if (prefs.units.temperature == units::CELSIUS) {
double celsius = mkelvin_to_C(temp.mkelvin);
return QString("%1%2%3").arg(celsius, 0, 'f', 1).arg(showunit ? (UTF8_DEGREE): "")
.arg(showunit ? tr("C") : "");