/* Render the SAC data (integer value of "ml / min") */
static void sac_data_func(GtkTreeViewColumn *col,
GtkCellRenderer *renderer,
GtkTreeModel *model,
GtkTreeIter *iter,
gpointer data)
{
int value;
const char *fmt;
char buffer[16];
double sac;
gtk_tree_model_get(model, iter, DIVE_SAC, &value, -1);
if (!value) {
g_object_set(renderer, "text", "", NULL);
return;
}
sac = value / 1000.0;
switch (output_units.volume) {
case LITER:
fmt = "%4.1f";
break;
case CUFT:
fmt = "%4.2f";
sac = ml_to_cuft(sac * 1000);
break;
}
snprintf(buffer, sizeof(buffer), fmt, sac);
g_object_set(renderer, "text", buffer, NULL);
}
double get_volume_units(unsigned int ml, int *frac, const char **units)
{
int decimals;
double vol;
const char *unit;
struct units *units_p = get_units();
switch (units_p->volume) {
case LITER:
vol = ml / 1000.0;
unit = _("l");
decimals = 1;
break;
case CUFT:
vol = ml_to_cuft(ml);
unit = _("cuft");
decimals = 2;
break;
}
if (frac)
*frac = decimals;
if (units)
*units = unit;
return vol;
}
void PlannerSettingsWidget::settingsChanged()
{
QString vs;
// don't recurse into setting the value from the ui when setting the ui from the value
ui.bottomSAC->blockSignals(true);
ui.decoStopSAC->blockSignals(true);
if (get_units()->length == units::FEET) {
vs.append(tr("ft/min"));
ui.lastStop->setText(tr("Last stop at 20ft"));
ui.asc50to6->setText(tr("50% avg. depth to 20ft"));
ui.asc6toSurf->setText(tr("20ft to surface"));
} else {
vs.append(tr("m/min"));
ui.lastStop->setText(tr("Last stop at 6m"));
ui.asc50to6->setText(tr("50% avg. depth to 6m"));
ui.asc6toSurf->setText(tr("6m to surface"));
}
if(get_units()->volume == units::CUFT) {
ui.bottomSAC->setSuffix(tr("cuft/min"));
ui.decoStopSAC->setSuffix(tr("cuft/min"));
ui.bottomSAC->setDecimals(2);
ui.bottomSAC->setSingleStep(0.1);
ui.decoStopSAC->setDecimals(2);
ui.decoStopSAC->setSingleStep(0.1);
ui.bottomSAC->setValue(ml_to_cuft(prefs.bottomsac));
ui.decoStopSAC->setValue(ml_to_cuft(prefs.decosac));
} else {
ui.bottomSAC->setSuffix(tr("ℓ/min"));
ui.decoStopSAC->setSuffix(tr("ℓ/min"));
ui.bottomSAC->setDecimals(0);
ui.bottomSAC->setSingleStep(1);
ui.decoStopSAC->setDecimals(0);
ui.decoStopSAC->setSingleStep(1);
ui.bottomSAC->setValue((double) prefs.bottomsac / 1000.0);
ui.decoStopSAC->setValue((double) prefs.decosac / 1000.0);
}
ui.bottomSAC->blockSignals(false);
ui.decoStopSAC->blockSignals(false);
updateUnitsUI();
ui.ascRate75->setSuffix(vs);
ui.ascRate50->setSuffix(vs);
ui.ascRateStops->setSuffix(vs);
ui.ascRateLast6m->setSuffix(vs);
ui.descRate->setSuffix(vs);
}
QString DiveItem::displaySac() const
{
QString str;
if (get_units()->volume == units::LITER)
str = QString::number(dive->sac / 1000.0, 'f', 1).append(tr(" l/min"));
else
str = QString::number(ml_to_cuft(dive->sac), 'f', 2).append(tr(" cuft/min"));
return str;
}
QString get_volume_string(volume_t volume, bool showunit)
{
if (prefs.units.volume == units::LITER) {
double liter = volume.mliter / 1000.0;
return QString("%1%2").arg(liter, 0, 'f', liter >= 40.0 ? 0 : 1 ).arg(showunit ? _("l") : "");
} else {
double cuft = ml_to_cuft(volume.mliter);
return QString("%1%2").arg(cuft, 0, 'f', cuft >= 20.0 ? 0 : (cuft >= 2.0 ? 1 : 2)).arg(showunit ? _("cuft") : "");
}
}
QString get_volume_string(volume_t volume, bool showunit, unsigned int mbar)
{
if (prefs.units.volume == units::LITER) {
double liter = volume.mliter / 1000.0;
return QString("%1%2").arg(liter, 0, 'f', liter >= 40.0 ? 0 : 1).arg(showunit ? translate("gettextFromC", "l") : "");
} else {
double cuft = ml_to_cuft(volume.mliter);
if (mbar)
cuft *= bar_to_atm(mbar / 1000.0);
return QString("%1%2").arg(cuft, 0, 'f', cuft >= 20.0 ? 0 : (cuft >= 2.0 ? 1 : 2)).arg(showunit ? translate("gettextFromC", "cuft") : "");
}
}
static void convert_volume_pressure(int ml, int mbar, double *v, double *p)
{
double volume, pressure;
volume = ml / 1000.0;
if (mbar) {
if (output_units.volume == CUFT) {
volume = ml_to_cuft(ml);
volume *= bar_to_atm(mbar / 1000.0);
}
if (output_units.pressure == PSI) {
pressure = mbar_to_PSI(mbar);
} else
pressure = mbar / 1000.0;
}
*v = volume;
*p = pressure;
}
void TestUnitConversion::testUnitConversions()
{
QCOMPARE(IS_FP_SAME(grams_to_lbs(1000), 2.204586), true);
QCOMPARE(lbs_to_grams(1), 454);
QCOMPARE(IS_FP_SAME(ml_to_cuft(1000), 0.0353147), true);
QCOMPARE(IS_FP_SAME(cuft_to_l(1), 28.316847), true);
QCOMPARE(IS_FP_SAME(mm_to_feet(1000), 3.280840), true);
QCOMPARE(feet_to_mm(1), (long unsigned int) 305);
QCOMPARE(to_feet((depth_t){ 1000 }), 3);
QCOMPARE(IS_FP_SAME(mkelvin_to_C(647000), 373.85), true);
QCOMPARE(IS_FP_SAME(mkelvin_to_F(647000), 704.93), true);
QCOMPARE(F_to_mkelvin(704.93), (unsigned long)647000);
QCOMPARE(C_to_mkelvin(373.85), (unsigned long)647000);
QCOMPARE(IS_FP_SAME(psi_to_bar(14.6959488), 1.01325), true);
QCOMPARE(psi_to_mbar(14.6959488), (long)1013);
QCOMPARE(to_PSI((pressure_t){ 1013 }), (int)15);
QCOMPARE(IS_FP_SAME(bar_to_atm(1.013), 1.0), true);
QCOMPARE(IS_FP_SAME(mbar_to_atm(1013), 1.0), true);
QCOMPARE(mbar_to_PSI(1013), (int)15);
get_units();
}
double get_volume_units(unsigned int ml, int *frac, const char **units)
{
int decimals;
double vol;
const char *unit;
switch (output_units.volume) {
case LITER:
vol = ml / 1000.0;
unit = "l";
decimals = 1;
break;
case CUFT:
vol = ml_to_cuft(ml);
unit = "cuft";
decimals = 2;
break;
}
if (frac)
*frac = decimals;
if (units)
*units = unit;
return vol;
}
QVariant CylindersModel::data(const QModelIndex& index, int role) const
{
QVariant ret;
if (!index.isValid() || index.row() >= MAX_CYLINDERS)
return ret;
cylinder_t *cyl = ¤t->cylinder[index.row()];
switch (role) {
case Qt::FontRole: {
QFont font = defaultModelFont();
switch (index.column()) {
case START: font.setItalic(!cyl->start.mbar); break;
case END: font.setItalic(!cyl->end.mbar); break;
}
ret = font;
break;
}
case Qt::TextAlignmentRole:
ret = Qt::AlignCenter;
break;
case Qt::DisplayRole:
case Qt::EditRole:
switch(index.column()) {
case TYPE:
ret = QString(cyl->type.description);
break;
case SIZE:
// we can't use get_volume_string because the idiotic imperial tank
// sizes take working pressure into account...
if (cyl->type.size.mliter) {
double volume;
int mbar = cyl->type.workingpressure.mbar;
if (mbar && prefs.units.volume == prefs.units.CUFT) {
volume = ml_to_cuft(cyl->type.size.mliter);
volume *= bar_to_atm(mbar / 1000.0);
} else {
volume = cyl->type.size.mliter / 1000.0;
}
ret = QString("%1").arg(volume, 0, 'f', 1);
}
break;
case WORKINGPRESS:
if (cyl->type.workingpressure.mbar)
ret = get_pressure_string(cyl->type.workingpressure, TRUE);
break;
case START:
if (cyl->start.mbar)
ret = get_pressure_string(cyl->start, FALSE);
else if (cyl->sample_start.mbar)
ret = get_pressure_string(cyl->sample_start, FALSE);
break;
case END:
if (cyl->end.mbar)
ret = get_pressure_string(cyl->end, FALSE);
else if (cyl->sample_end.mbar)
ret = get_pressure_string(cyl->sample_end, FALSE);
break;
case O2:
ret = percent_string(cyl->gasmix.o2);
break;
case HE:
ret = percent_string(cyl->gasmix.he);
break;
case DEPTH:
if (prefs.units.length == prefs.units.FEET)
ret = mm_to_feet(cyl->depth.mm);
else
ret = cyl->depth.mm / 1000;
break;
}
break;
case Qt::DecorationRole:
if (index.column() == REMOVE)
ret = QIcon(":trash");
break;
case Qt::ToolTipRole:
if (index.column() == REMOVE)
ret = tr("Clicking here will remove this cylinder.");
break;
}
return ret;
}
