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subsurface/qt-ui/preferences.cpp
Patrick Valsecchi 4c4a7a6d96 Refactoring of the configuration handling. 
Before, when clicking the OK button on the preferences GUI, we were
updating in-memory preferences from the GUI, saving them to the
configuration file from the GUI, reloading from the file to the
in-memory preferences. Then, to add to the ducplication, when the
application was exiting, some fields were saved again.
Basically the first step and the last step were useless appart from
the fact the the other steps where missing a few fields here and there.

This patch removes the first step and fixes the missing fields.

Signed-off-by: Patrick Valsecchi <patrick@thus.ch>
ACKed-by: Tomaz Canabrava <tcanabrava@kde.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
2013-11-21 08:11:40 -08:00

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#include "preferences.h"
#include <QSettings>
#include <QDebug>
#include <QFileDialog>
PreferencesDialog* PreferencesDialog::instance()
{
static PreferencesDialog *dialog = new PreferencesDialog();
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);
// 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.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("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.value("default_filename", ui.defaultfilename->text());
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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