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subsurface/qt-ui/preferences.cpp
Thiago Macieira b22f1da59e Fix all leak-at-exit from singletons in Subsurface 
Subsurface creates a lot of singleton instances on demand, but nothing
ever deleted them. Since they are singletons, these memory allocations
are technically not leaks. However, they clutter the output in valgrind
and other memory analysers, hiding the real issues.

The solution is to delete these items at exit. For the models and for
gettextFromC, the solution is to use a QScopedPointer, which will delete
its payload when it gets destroyed. For the dialogs and other widgets,
we can't do that: they need to be deleted before QApplication exits, so
we just set the parent in all of them to the main window.

Signed-off-by: Thiago Macieira <thiago@macieira.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
2013-11-30 09:28:42 -08:00

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6.3 KiB
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#include "preferences.h"
#include "mainwindow.h"
#include <QSettings>
#include <QDebug>
#include <QFileDialog>
PreferencesDialog* PreferencesDialog::instance()
{
static PreferencesDialog *dialog = new PreferencesDialog(mainWindow());
dialog->setAttribute(Qt::WA_QuitOnClose, false);
return dialog;
}
PreferencesDialog::PreferencesDialog(QWidget* parent, Qt::WindowFlags f) : QDialog(parent, f)
{
ui.setupUi(this);
connect(ui.buttonBox, SIGNAL(clicked(QAbstractButton*)), this, SLOT(buttonClicked(QAbstractButton*)));
setUiFromPrefs();
rememberPrefs();
}
void PreferencesDialog::showEvent(QShowEvent *event)
{
setUiFromPrefs();
rememberPrefs();
QDialog::showEvent(event);
}
void PreferencesDialog::setUiFromPrefs()
{
// graphs
ui.phe->setChecked(prefs.pp_graphs.phe);
ui.pheThreshold->setEnabled(ui.phe->isChecked());
ui.po2->setChecked(prefs.pp_graphs.po2);
ui.po2Threshold->setEnabled(ui.po2->isChecked());
ui.pn2->setChecked(prefs.pp_graphs.pn2);
ui.pn2Threshold->setEnabled(ui.pn2->isChecked());
ui.pheThreshold->setValue(prefs.pp_graphs.phe_threshold);
ui.po2Threshold->setValue(prefs.pp_graphs.po2_threshold);
ui.pn2Threshold->setValue(prefs.pp_graphs.pn2_threshold);
ui.ead_end_eadd->setChecked(prefs.ead);
ui.mod->setChecked(prefs.mod);
ui.maxppo2->setEnabled(ui.mod->isChecked());
ui.maxppo2->setValue(prefs.mod_ppO2);
ui.dc_reported_ceiling->setChecked(prefs.profile_dc_ceiling);
ui.red_ceiling->setEnabled(ui.dc_reported_ceiling->isChecked());
ui.red_ceiling->setChecked(prefs.profile_red_ceiling);
ui.calculated_ceiling->setChecked(prefs.profile_calc_ceiling);
ui.increment_3m->setEnabled(ui.calculated_ceiling->isChecked());
ui.increment_3m->setChecked(prefs.calc_ceiling_3m_incr);
ui.all_tissues->setEnabled(ui.calculated_ceiling->isChecked());
ui.all_tissues->setChecked(prefs.calc_all_tissues);
ui.calc_ndl_tts->setEnabled(ui.calculated_ceiling->isChecked());
ui.calc_ndl_tts->setChecked(prefs.calc_ndl_tts);
ui.groupBox->setEnabled(ui.personalize->isChecked());
ui.gflow->setValue(prefs.gflow);
ui.gfhigh->setValue(prefs.gfhigh);
ui.gf_low_at_maxdepth->setChecked(prefs.gf_low_at_maxdepth);
// units
if (prefs.unit_system == METRIC)
ui.metric->setChecked(true);
else if (prefs.unit_system == IMPERIAL)
ui.imperial->setChecked(true);
else
ui.personalize->setChecked(true);
ui.celsius->setChecked(prefs.units.temperature == units::CELSIUS);
ui.fahrenheit->setChecked(prefs.units.temperature == units::FAHRENHEIT);
ui.meter->setChecked(prefs.units.length == units::METERS);
ui.feet->setChecked(prefs.units.length == units::FEET);
ui.bar->setChecked(prefs.units.pressure == units::BAR);
ui.psi->setChecked(prefs.units.pressure == units::PSI);
ui.liter->setChecked(prefs.units.volume == units::LITER);
ui.cuft->setChecked(prefs.units.volume == units::CUFT);
ui.kgs->setChecked(prefs.units.weight == units::KG);
ui.lbs->setChecked(prefs.units.weight == units::LBS);
ui.font->setFont(QString(prefs.divelist_font));
ui.fontsize->setValue(prefs.font_size);
ui.defaultfilename->setText(prefs.default_filename);
ui.default_cylinder->clear();
for(int i=0; tank_info[i].name != NULL; i++) {
ui.default_cylinder->addItem(tank_info[i].name);
if (prefs.default_cylinder && strcmp(tank_info[i].name, prefs.default_cylinder) == 0)
ui.default_cylinder->setCurrentIndex(i);
}
ui.displayinvalid->setChecked(prefs.display_invalid_dives);
ui.show_sac->setChecked(prefs.show_sac);
ui.vertical_speed_minutes->setChecked(prefs.units.vertical_speed_time == units::MINUTES);
ui.vertical_speed_seconds->setChecked(prefs.units.vertical_speed_time == units::SECONDS);
}
void PreferencesDialog::restorePrefs()
{
prefs = oldPrefs;
setUiFromPrefs();
}
void PreferencesDialog::rememberPrefs()
{
oldPrefs = prefs;
}
#define SB(V, B) s.setValue(V, (int)(B->isChecked() ? 1 : 0))
void PreferencesDialog::syncSettings()
{
QSettings s;
// Graph
s.beginGroup("TecDetails");
SB("phegraph", ui.phe);
SB("po2graph", ui.po2);
SB("pn2graph", ui.pn2);
s.setValue("phethreshold", ui.pheThreshold->value());
s.setValue("po2threshold", ui.po2Threshold->value());
s.setValue("pn2threshold", ui.pn2Threshold->value());
SB("ead", ui.ead_end_eadd);
SB("mod", ui.mod);
s.setValue("modppO2", ui.maxppo2->value());
SB("dcceiling", ui.dc_reported_ceiling);
SB("redceiling", ui.red_ceiling);
SB("calcceiling", ui.calculated_ceiling);
SB("calcceiling3m", ui.increment_3m);
SB("calcndltts", ui.calc_ndl_tts);
SB("calcalltissues", ui.all_tissues);
s.setValue("gflow", ui.gflow->value());
s.setValue("gfhigh", ui.gfhigh->value());
SB("gf_low_at_maxdepth", ui.gf_low_at_maxdepth);
SB("show_sac", ui.show_sac);
s.endGroup();
// Units
s.beginGroup("Units");
QString unitSystem = ui.metric->isChecked() ? "metric" : (ui.imperial->isChecked() ? "imperial" : "personal");
s.setValue("unit_system", unitSystem);
s.setValue("temperature", ui.fahrenheit->isChecked() ? units::FAHRENHEIT : units::CELSIUS);
s.setValue("length", ui.feet->isChecked() ? units::FEET : units::METERS);
s.setValue("pressure", ui.psi->isChecked() ? units::PSI : units::BAR);
s.setValue("volume", ui.cuft->isChecked() ? units::CUFT : units::LITER);
s.setValue("weight", ui.lbs->isChecked() ? units::LBS : units::KG);
s.setValue("vertical_speed_time", ui.vertical_speed_minutes->isChecked() ? units::MINUTES : units::SECONDS);
s.endGroup();
// Defaults
s.beginGroup("GeneralSettings");
s.setValue("default_filename", ui.defaultfilename->text());
s.setValue("default_cylinder", ui.default_cylinder->currentText());
s.endGroup();
s.beginGroup("Display");
s.value("divelist_font", ui.font->font().family());
s.value("font_size", ui.fontsize->value());
s.value("displayinvalid", ui.displayinvalid->isChecked());
s.endGroup();
s.sync();
emit settingsChanged();
}
void PreferencesDialog::buttonClicked(QAbstractButton* button)
{
switch(ui.buttonBox->standardButton(button)){
case QDialogButtonBox::Discard:
restorePrefs();
close();
break;
case QDialogButtonBox::Apply:
syncSettings();
break;
case QDialogButtonBox::FirstButton:
syncSettings();
close();
break;
default:
break; // ignore warnings.
}
}
#undef SB
void PreferencesDialog::on_chooseFile_clicked()
{
QFileInfo fi(system_default_filename());
ui.defaultfilename->setText(QFileDialog::getOpenFileName(this, tr("Open Default Log File"), fi.absolutePath(), tr("Subsurface XML files (*.ssrf *.xml *.XML)")));
}
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