Don't "untranslate" cylinder names

As far as I can see there are no translation strings for the
cylinder names, so there is no point in translating them back.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>

commands/command_edit.cpp

@@ -1090,11 +1090,6 @@ EditWeight::EditWeight(int index, weightsystem_t wsIn, bool currentDiveOnly) :
 		dives.clear();
 		return;
 	}
-
-	WSInfoModel *wsim = WSInfoModel::instance();
-	QModelIndexList matches = wsim->match(wsim->index(0, 0), Qt::DisplayRole, gettextFromC::tr(new_ws.description));
-	if (!matches.isEmpty())
-		wsim->setData(wsim->index(matches.first().row(), WSInfoModel::GR), new_ws.weight.grams);
 }
 
 EditWeight::~EditWeight()
@@ -1105,6 +1100,7 @@ EditWeight::~EditWeight()
 void EditWeight::redo()
 {
 	for (size_t i = 0; i < dives.size(); ++i) {
+		add_weightsystem_description(&new_ws); // This updates the weightsystem info table
 		set_weightsystem(dives[i], indices[i], new_ws);
 		emit diveListNotifier.weightEdited(dives[i], indices[i]);
 		invalidate_dive_cache(dives[i]); // Ensure that dive is written in git_save()
@@ -1293,24 +1289,7 @@ EditCylinder::EditCylinder(int index, cylinder_t cylIn, EditCylinderType typeIn,
 	else
 		setText(Command::Base::tr("Edit cylinder (%n dive(s))", "", dives.size()));
 
-	// Try to untranslate the cylinder type
 	QString description = cylIn.type.description;
-	for (int i = 0; i < tank_info_table.nr; ++i) {
-		if (gettextFromC::tr(tank_info_table.infos[i].name) == description) {
-			description = tank_info_table.infos[i].name;
-			break;
-		}
-	}
-
-	// Update the tank info model
-	TankInfoModel *tim = TankInfoModel::instance();
-	QModelIndexList matches = tim->match(tim->index(0, 0), Qt::DisplayRole, gettextFromC::tr(cylIn.type.description));
-	if (!matches.isEmpty()) {
-		if (cylIn.type.size.mliter != cyl[0].type.size.mliter)
-			tim->setData(tim->index(matches.first().row(), TankInfoModel::ML), cylIn.type.size.mliter);
-		if (cylIn.type.workingpressure.mbar != cyl[0].type.workingpressure.mbar)
-			tim->setData(tim->index(matches.first().row(), TankInfoModel::BAR), cylIn.type.workingpressure.mbar / 1000.0);
-	}
 
 	// The base class copied the cylinders for us, let's edit them
 	for (int i = 0; i < (int)indexes.size(); ++i) {
@@ -1338,6 +1317,8 @@ EditCylinder::EditCylinder(int index, cylinder_t cylIn, EditCylinderType typeIn,
 void EditCylinder::redo()
 {
 	for (size_t i = 0; i < dives.size(); ++i) {
+		set_tank_info_size(&tank_info_table, cyl[i].type.description, cyl[i].type.size);
+		set_tank_info_workingpressure(&tank_info_table, cyl[i].type.description, cyl[i].type.workingpressure);
 		std::swap(*get_cylinder(dives[i], indexes[i]), cyl[i]);
 		update_cylinder_related_info(dives[i]);
 		emit diveListNotifier.cylinderEdited(dives[i], indexes[i]);
@@ -1358,7 +1339,6 @@ EditSensors::EditSensors(int toCylinderIn, int fromCylinderIn, int dcNr)
 		return;
 
 	setText(Command::Base::tr("Edit sensors"));
-
 }
 
 void EditSensors::mapSensors(int toCyl, int fromCyl)

core/equipment.c

@@ -108,6 +108,45 @@ void add_tank_info_imperial(struct tank_info_table *table, const char *name, int
 	add_to_tank_info_table(table, table->nr, info);
 }
 
+extern struct tank_info *get_tank_info(struct tank_info_table *table, const char *name)
+{
+	for (int i = 0; i < table->nr; ++i) {
+		if (same_string(table->infos[i].name, name))
+			return  &table->infos[i];
+	}
+	return NULL;
+}
+
+extern void set_tank_info_size(struct tank_info_table *table, const char *name, volume_t size)
+{
+	struct tank_info *info = get_tank_info(table, name);
+	if (info) {
+		// Try to be smart about metric vs. imperial
+		if (info->cuft == 0 && info->psi == 0)
+			info->ml = size.mliter;
+		else
+			info->cuft = lrint(ml_to_cuft(size.mliter));
+	} else {
+		// By default add metric...?
+		add_tank_info_metric(table, name, size.mliter, 0);
+	}
+}
+
+extern void set_tank_info_workingpressure(struct tank_info_table *table, const char *name, pressure_t working_pressure)
+{
+	struct tank_info *info = get_tank_info(table, name);
+	if (info) {
+		// Try to be smart about metric vs. imperial
+		if (info->cuft == 0 && info->psi == 0)
+			info->bar = working_pressure.mbar / 1000;
+		else
+			info->psi = lrint(mbar_to_PSI(working_pressure.mbar));
+	} else {
+		// By default add metric...?
+		add_tank_info_metric(table, name, 0, working_pressure.mbar / 1000);
+	}
+}
+
 /* placeholders for a few functions that we need to redesign for the Qt UI */
 void add_cylinder_description(const cylinder_type_t *type)
 {
@@ -131,7 +170,7 @@ void add_weightsystem_description(const weightsystem_t *weightsystem)
 	if (!desc)
 		return;
 	for (i = 0; i < MAX_WS_INFO && ws_info[i].name != NULL; i++) {
-		if (strcmp(ws_info[i].name, desc) == 0) {
+		if (same_string(ws_info[i].name, desc)) {
 			ws_info[i].grams = weightsystem->weight.grams;
 			return;
 		}
@@ -143,6 +182,17 @@ void add_weightsystem_description(const weightsystem_t *weightsystem)
 	}
 }
 
+struct ws_info_t *get_weightsystem_description(const char *name)
+{
+	for (int i = 0; i < MAX_WS_INFO && ws_info[i].name != NULL; i++) {
+		// Also finds translated names (TODO: should only consider non-user items).
+		if (same_string(ws_info[i].name, name) ||
+		    same_string(translate("gettextFromC", ws_info[i].name), name))
+			return &ws_info[i];
+	}
+	return NULL;
+}
+
 weightsystem_t clone_weightsystem(weightsystem_t ws)
 {
 	weightsystem_t res = { ws.weight, copy_string(ws.description), ws.auto_filled };

core/equipment.h

@@ -125,12 +125,16 @@ extern void reset_tank_info_table(struct tank_info_table *table);
 extern void clear_tank_info_table(struct tank_info_table *table);
 extern void add_tank_info_metric(struct tank_info_table *table, const char *name, int ml, int bar);
 extern void add_tank_info_imperial(struct tank_info_table *table, const char *name, int cuft, int psi);
+extern void set_tank_info_size(struct tank_info_table *table, const char *name, volume_t size);
+extern void set_tank_info_workingpressure(struct tank_info_table *table, const char *name, pressure_t working_pressure);
+extern struct tank_info *get_tank_info(struct tank_info_table *table, const char *name);
 
 struct ws_info_t {
 	const char *name;
 	int grams;
 };
 extern struct ws_info_t ws_info[MAX_WS_INFO];
+extern struct ws_info_t *get_weightsystem_description(const char *name);
 
 #ifdef __cplusplus
 }

desktop-widgets/diveplanner.cpp

@@ -32,8 +32,8 @@ DivePlannerWidget::DivePlannerWidget(dive &planned_dive, PlannerWidgets *parent)
 	ui.tableWidget->setTitle(tr("Dive planner points"));
 	ui.tableWidget->setModel(plannerModel);
 	connect(ui.tableWidget, &TableView::itemClicked, plannerModel, &DivePlannerPointsModel::remove);
-	ui.tableWidget->view()->setItemDelegateForColumn(DivePlannerPointsModel::GAS, new AirTypesDelegate(parent->gasModel.get(), this));
-	ui.tableWidget->view()->setItemDelegateForColumn(DivePlannerPointsModel::DIVEMODE, new DiveTypesDelegate(parent->diveTypeModel.get(), this));
+	ui.tableWidget->view()->setItemDelegateForColumn(DivePlannerPointsModel::GAS, new AirTypesDelegate(planned_dive, this));
+	ui.tableWidget->view()->setItemDelegateForColumn(DivePlannerPointsModel::DIVEMODE, new DiveTypesDelegate(this));
 	ui.cylinderTableWidget->setTitle(tr("Available gases"));
 	ui.cylinderTableWidget->setBtnToolTip(tr("Add cylinder"));
 	ui.cylinderTableWidget->setModel(cylinders);
@@ -56,9 +56,6 @@ DivePlannerWidget::DivePlannerWidget(dive &planned_dive, PlannerWidgets *parent)
 	view->setItemDelegateForColumn(CylindersModel::USE, tankUseDelegate);
 	connect(ui.cylinderTableWidget, &TableView::addButtonClicked, plannerModel, &DivePlannerPointsModel::addCylinder_clicked);
 	connect(ui.tableWidget, &TableView::addButtonClicked, plannerModel, &DivePlannerPointsModel::addDefaultStop);
-	connect(cylinders, &CylindersModel::dataChanged, parent, &PlannerWidgets::repopulateGasModel);
-	connect(cylinders, &CylindersModel::rowsInserted, parent, &PlannerWidgets::repopulateGasModel);
-	connect(cylinders, &CylindersModel::rowsRemoved, parent, &PlannerWidgets::repopulateGasModel);
 	connect(cylinders, &CylindersModel::dataChanged, plannerModel, &DivePlannerPointsModel::emitDataChanged);
 	connect(cylinders, &CylindersModel::dataChanged, plannerModel, &DivePlannerPointsModel::cylinderModelEdited);
 	connect(cylinders, &CylindersModel::rowsInserted, plannerModel, &DivePlannerPointsModel::cylinderModelEdited);
@@ -542,8 +539,6 @@ void PlannerDetails::setPlanNotes(QString plan)
 
 PlannerWidgets::PlannerWidgets() :
 	planned_dive(alloc_dive()),
-	gasModel(std::make_unique<GasSelectionModel>()),
-	diveTypeModel(std::make_unique<DiveTypeSelectionModel>()),
 	plannerWidget(*planned_dive, this),
 	plannerSettingsWidget(this)
 {
@@ -587,7 +582,6 @@ void PlannerWidgets::planDive()
 {
 	DivePlannerPointsModel::instance()->setPlanMode(DivePlannerPointsModel::PLAN);
 
-	repopulateGasModel();
 	plannerWidget.setReplanButton(false);
 	plannerWidget.setupStartTime(timestampToDateTime(planned_dive->when));	// This will reload the profile!
 }
@@ -612,11 +606,6 @@ void PlannerWidgets::replanDive(int currentDC)
 	DivePlannerPointsModel::instance()->cylindersModel()->updateDive(planned_dive.get(), currentDC);
 }
 
-void PlannerWidgets::repopulateGasModel()
-{
-	gasModel->repopulate(planned_dive.get());
-}
-
 void PlannerWidgets::printDecoPlan()
 {
 #ifndef NO_PRINTING

desktop-widgets/diveplanner.h

@@ -10,8 +10,6 @@
 #include <QDateTime>
 
 class DivePlannerPointsModel;
-class GasSelectionModel;
-class DiveTypeSelectionModel;
 class PlannerWidgets;
 struct dive;
 
@@ -92,10 +90,7 @@ public
 slots:
 	void printDecoPlan();
 public:
-	void repopulateGasModel();
 	OwningDivePtr planned_dive;
-	std::unique_ptr<GasSelectionModel> gasModel;
-	std::unique_ptr<DiveTypeSelectionModel> diveTypeModel;
 	DivePlannerWidget plannerWidget;
 	PlannerSettingsWidget plannerSettingsWidget;
 	PlannerDetails plannerDetails;

desktop-widgets/modeldelegates.cpp

@@ -84,9 +84,11 @@ const QSize &StarWidgetsDelegate::starSize() const
 	return minStarSize;
 }
 
-ComboBoxDelegate::ComboBoxDelegate(QAbstractItemModel *model, QObject *parent, bool allowEdit) : QStyledItemDelegate(parent), model(model)
+ComboBoxDelegate::ComboBoxDelegate(std::function<QAbstractItemModel *(QWidget *)> create_model_func,
+				   QObject *parent, bool allowEdit) : QStyledItemDelegate(parent),
+	create_model_func(std::move(create_model_func)),
+	editable(allowEdit)
 {
-	editable = allowEdit;
 	connect(this, &ComboBoxDelegate::closeEditor, this, &ComboBoxDelegate::editorClosed);
 }
 
@@ -105,7 +107,7 @@ void ComboBoxDelegate::setEditorData(QWidget *editor, const QModelIndex &index)
 QWidget *ComboBoxDelegate::createEditor(QWidget *parent, const QStyleOptionViewItem &, const QModelIndex &index) const
 {
 	QComboBox *comboDelegate = new QComboBox(parent);
-	comboDelegate->setModel(model);
+	comboDelegate->setModel(create_model_func(comboDelegate));
 	comboDelegate->setEditable(true);
 	comboDelegate->completer()->setCaseSensitivity(Qt::CaseInsensitive);
 	comboDelegate->completer()->setCompletionMode(QCompleter::PopupCompletion);
@@ -207,34 +209,34 @@ void ComboBoxDelegate::updateEditorGeometry(QWidget *editor, const QStyleOptionV
 	editor->setGeometry(defaultRect);
 }
 
-void TankInfoDelegate::setModelData(QWidget *, QAbstractItemModel *, const QModelIndex &) const
+void TankInfoDelegate::setModelData(QWidget *, QAbstractItemModel *model, const QModelIndex &index) const
 {
 	QAbstractItemModel *mymodel = currCombo.model;
-	TankInfoModel *tanks = TankInfoModel::instance();
 	QString cylinderName = currCombo.activeText.trimmed();
 	if (cylinderName.isEmpty()) {
 		mymodel->setData(IDX(CylindersModel::TYPE), cylinderName, CylindersModel::TEMP_ROLE);
 		return;
 	}
-	QModelIndexList matches = tanks->match(tanks->index(0, 0), Qt::DisplayRole, cylinderName, 1, Qt::MatchFixedString | Qt::MatchWrap);
-	int row;
-	if (matches.isEmpty()) {
-		tanks->insertRows(tanks->rowCount(), 1);
-		tanks->setData(tanks->index(tanks->rowCount() - 1, 0), currCombo.activeText);
-		row = tanks->rowCount() - 1;
-	} else {
-		row = matches.first().row();
-		cylinderName = matches.first().data().toString();
+	int tankSize = 0;
+	int tankPressure = 0;
+	tank_info *info = get_tank_info(&tank_info_table, qPrintable(cylinderName));
+	if (info) {
+		// OMG, the units here are a mess.
+		tankSize = info->ml != 0 ? info->ml : lrint(cuft_to_l(info->cuft) * 1000.0);
+		tankPressure = info->bar != 0 ? info->bar * 1000 : psi_to_mbar(info->psi);
 	}
-	int tankSize = tanks->data(tanks->index(row, TankInfoModel::ML)).toInt();
-	int tankPressure = tanks->data(tanks->index(row, TankInfoModel::BAR)).toInt();
 
 	mymodel->setData(IDX(CylindersModel::TYPE), cylinderName, CylindersModel::TEMP_ROLE);
 	mymodel->setData(IDX(CylindersModel::WORKINGPRESS), tankPressure, CylindersModel::TEMP_ROLE);
 	mymodel->setData(IDX(CylindersModel::SIZE), tankSize, CylindersModel::TEMP_ROLE);
 }
 
-TankInfoDelegate::TankInfoDelegate(QObject *parent) : ComboBoxDelegate(TankInfoModel::instance(), parent, true)
+static QAbstractItemModel *createTankInfoModel(QWidget *parent)
+{
+	return new TankInfoModel(parent);
+}
+
+TankInfoDelegate::TankInfoDelegate(QObject *parent) : ComboBoxDelegate(&createTankInfoModel, parent, true)
 {
 }
 
@@ -340,20 +342,19 @@ void WSInfoDelegate::editorClosed(QWidget *, QAbstractItemDelegate::EndEditHint
 void WSInfoDelegate::setModelData(QWidget *, QAbstractItemModel *, const QModelIndex &) const
 {
 	WeightModel *mymodel = qobject_cast<WeightModel *>(currCombo.model);
-	WSInfoModel *wsim = WSInfoModel::instance();
 	QString weightName = currCombo.activeText;
-	QModelIndexList matches = wsim->match(wsim->index(0, 0), Qt::DisplayRole, weightName, 1, Qt::MatchFixedString | Qt::MatchWrap);
-	int grams = 0;
-	if (!matches.isEmpty()) {
-		int row = matches.first().row();
-		weightName = matches.first().data().toString();
-		grams = wsim->data(wsim->index(row, WSInfoModel::GR)).toInt();
-	}
+	ws_info_t *info = get_weightsystem_description(qPrintable(weightName));
+	int grams = info ? info->grams : 0;
 
 	mymodel->setTempWS(currCombo.currRow, weightsystem_t{ { grams }, copy_qstring(weightName), false });
 }
 
-WSInfoDelegate::WSInfoDelegate(QObject *parent) : ComboBoxDelegate(WSInfoModel::instance(), parent, true)
+static QAbstractItemModel *createWSInfoModel(QWidget *parent)
+{
+	return new WSInfoModel(parent);
+}
+
+WSInfoDelegate::WSInfoDelegate(QObject *parent) : ComboBoxDelegate(&createWSInfoModel, parent, true)
 {
 }
 
@@ -369,7 +370,9 @@ void AirTypesDelegate::setModelData(QWidget *editor, QAbstractItemModel *model,
 	model->setData(index, QVariant(combo->currentIndex()));
 }
 
-AirTypesDelegate::AirTypesDelegate(QAbstractItemModel *model, QObject *parent) : ComboBoxDelegate(model, parent, false)
+AirTypesDelegate::AirTypesDelegate(const dive &d, QObject *parent) :
+	ComboBoxDelegate([d] (QWidget *parent) { return new GasSelectionModel(d, parent); },
+			      parent, false)
 {
 }
 
@@ -385,7 +388,12 @@ void DiveTypesDelegate::setModelData(QWidget *editor, QAbstractItemModel *model,
 	model->setData(index, QVariant(combo->currentIndex()));
 }
 
-DiveTypesDelegate::DiveTypesDelegate(QAbstractItemModel *model, QObject *parent) : ComboBoxDelegate(model, parent, false)
+static QAbstractItemModel *createDiveTypeSelectionModel(QWidget *parent)
+{
+	return new DiveTypeSelectionModel(parent);
+}
+
+DiveTypesDelegate::DiveTypesDelegate(QObject *parent) : ComboBoxDelegate(&createDiveTypeSelectionModel, parent, false)
 {
 }
 

desktop-widgets/modeldelegates.h

@@ -6,8 +6,10 @@
 
 #include <QStyledItemDelegate>
 #include <QComboBox>
+#include <functional>
 
 class QPainter;
+struct dive;
 struct divecomputer;
 
 class DiveListDelegate : public QStyledItemDelegate {
@@ -32,7 +34,8 @@ private:
 class ComboBoxDelegate : public QStyledItemDelegate {
 	Q_OBJECT
 public:
-	explicit ComboBoxDelegate(QAbstractItemModel *model, QObject *parent = 0, bool allowEdit = true);
+	// First parameter: function that creates a model and makes it a child of the passed-in widget.
+	explicit ComboBoxDelegate(std::function<QAbstractItemModel *(QWidget *)> create_model_func, QObject *parent = 0, bool allowEdit = true);
 private
 slots:
 	void testActivationString(const QString &currString);
@@ -43,13 +46,13 @@ protected
 slots:
 	virtual void editorClosed(QWidget *widget, QAbstractItemDelegate::EndEditHint hint) = 0;
 private:
+	std::function<QAbstractItemModel *(QWidget *)> create_model_func;
 	bool editable;
 	QWidget *createEditor(QWidget *parent, const QStyleOptionViewItem &option, const QModelIndex &index) const override;
 	void setEditorData(QWidget *editor, const QModelIndex &index) const override;
 	void updateEditorGeometry(QWidget *editor, const QStyleOptionViewItem &option, const QModelIndex &index) const override;
 	bool eventFilter(QObject *object, QEvent *event) override;
 protected:
-	QAbstractItemModel *model;
 	mutable struct CurrSelected {
 		QComboBox *comboEditor;
 		int currRow;
@@ -103,7 +106,7 @@ private:
 class AirTypesDelegate : public ComboBoxDelegate {
 	Q_OBJECT
 public:
-	explicit AirTypesDelegate(QAbstractItemModel *model, QObject *parent = 0);
+	explicit AirTypesDelegate(const dive &d, QObject *parent = 0);
 private:
 	void setModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const override;
 	void editorClosed(QWidget *widget, QAbstractItemDelegate::EndEditHint hint) override;
@@ -112,7 +115,7 @@ private:
 class DiveTypesDelegate : public ComboBoxDelegate {
 	Q_OBJECT
 public:
-	explicit DiveTypesDelegate(QAbstractItemModel *model, QObject *parent = 0);
+	explicit DiveTypesDelegate(QObject *parent = 0);
 private:
 	void setModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const override;
 	void editorClosed(QWidget *widget, QAbstractItemDelegate::EndEditHint hint) override;

desktop-widgets/preferences/preferences_equipment.cpp

@@ -42,11 +42,8 @@ void PreferencesEquipment::syncSettings()
 	equipment->set_default_cylinder(ui->default_cylinder->currentText());
 
 	// In case the user changed the tank info settings,
-	// reset the tank_info_table and inform the TankInfoModel of
-	// the changed table. It is somewhat questionable to do this here.
-	// Moreover, it is a bit crude, as this will be called for *any*
-	// preferences change. Perhaps, the model should listen to the
-	// precise changed signal of the preferences system?
+	// reset the tank_info_table. It is somewhat questionable
+	// to do this here. Moreover, it is a bit crude, as this
+	// will be called for *any* preferences change.
 	reset_tank_info_table(&tank_info_table);
-	TankInfoModel::instance()->update();
 }

qt-models/cylindermodel.cpp

@@ -1,6 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0
 #include "cylindermodel.h"
-#include "tankinfomodel.h"
 #include "models.h"
 #include "commands/command.h"
 #include "core/qthelper.h"
@@ -381,23 +380,12 @@ bool CylindersModel::setData(const QModelIndex &index, const QVariant &value, in
 		cyl.type.description = newType.c_str();
 		type = Command::EditCylinderType::TYPE;
 		break;
-	case SIZE: {
-			TankInfoModel *tanks = TankInfoModel::instance();
-			QModelIndexList matches = tanks->match(tanks->index(0, 0), Qt::DisplayRole, cyl.type.description);
-
+	case SIZE:
 		cyl.type.size = string_to_volume(qPrintable(vString), cyl.type.workingpressure);
-			if (!matches.isEmpty())
-				tanks->setData(tanks->index(matches.first().row(), TankInfoModel::ML), cyl.type.size.mliter);
-		}
 		type = Command::EditCylinderType::TYPE;
 		break;
-	case WORKINGPRESS: {
-			TankInfoModel *tanks = TankInfoModel::instance();
-			QModelIndexList matches = tanks->match(tanks->index(0, 0), Qt::DisplayRole, cyl.type.description);
+	case WORKINGPRESS:
 		cyl.type.workingpressure = string_to_pressure(qPrintable(vString));
-			if (!matches.isEmpty())
-				tanks->setData(tanks->index(matches.first().row(), TankInfoModel::BAR), cyl.type.workingpressure.mbar / 1000.0);
-		}
 		type = Command::EditCylinderType::TYPE;
 		break;
 	case START:

qt-models/models.cpp

@@ -18,9 +18,10 @@ Qt::ItemFlags GasSelectionModel::flags(const QModelIndex&) const
 	return Qt::ItemIsEnabled | Qt::ItemIsSelectable;
 }
 
-void GasSelectionModel::repopulate(const dive *d)
+GasSelectionModel::GasSelectionModel(const dive &d, QObject *parent)
+	: QStringListModel(parent)
 {
-	setStringList(get_dive_gas_list(d));
+	setStringList(get_dive_gas_list(&d));
 }
 
 QVariant GasSelectionModel::data(const QModelIndex &index, int role) const
@@ -37,7 +38,7 @@ Qt::ItemFlags DiveTypeSelectionModel::flags(const QModelIndex&) const
 	return Qt::ItemIsEnabled | Qt::ItemIsSelectable;
 }
 
-DiveTypeSelectionModel::DiveTypeSelectionModel()
+DiveTypeSelectionModel::DiveTypeSelectionModel(QObject *parent) : QStringListModel(parent)
 {
 	QStringList modes;
 	for (int i = 0; i < FREEDIVE; i++)

qt-models/models.h

@@ -24,15 +24,15 @@ struct dive;
 class GasSelectionModel : public QStringListModel {
 	Q_OBJECT
 public:
+	GasSelectionModel(const dive &d, QObject *parent);
 	Qt::ItemFlags flags(const QModelIndex &index) const;
 	QVariant data(const QModelIndex &index, int role) const override;
-	void repopulate(const dive *d);
 };
 
 class DiveTypeSelectionModel : public QStringListModel {
 	Q_OBJECT
 public:
-	DiveTypeSelectionModel();
+	DiveTypeSelectionModel(QObject *parent);
 	Qt::ItemFlags flags(const QModelIndex &index) const;
 	QVariant data(const QModelIndex &index, int role) const override;
 };

qt-models/tankinfomodel.cpp

@@ -5,48 +5,9 @@
 #include "core/gettextfromc.h"
 #include "core/metrics.h"
 
-TankInfoModel *TankInfoModel::instance()
-{
-	static TankInfoModel self;
-	return &self;
-}
-
-bool TankInfoModel::insertRows(int, int count, const QModelIndex &parent)
-{
-	beginInsertRows(parent, rowCount(), rowCount() + count - 1);
-	for (int i = 0; i < count; ++i)
-		add_tank_info_metric(&tank_info_table, "", 0, 0);
-	endInsertRows();
-	return true;
-}
-
-bool TankInfoModel::setData(const QModelIndex &index, const QVariant &value, int)
-{
-	//WARN Seems wrong, we need to check for role == Qt::EditRole
-
-	if (index.row() < 0 || index.row() >= tank_info_table.nr )
-		return false;
-
-	struct tank_info &info = tank_info_table.infos[index.row()];
-	switch (index.column()) {
-	case DESCRIPTION:
-		free((void *)info.name);
-		info.name = strdup(value.toByteArray().data());
-		break;
-	case ML:
-		info.ml = value.toInt();
-		break;
-	case BAR:
-		info.bar = value.toInt();
-		break;
-	}
-	emit dataChanged(index, index);
-	return true;
-}
-
 QVariant TankInfoModel::data(const QModelIndex &index, int role) const
 {
-	if (!index.isValid() || index.row() < 0 || index.row() >= tank_info_table.nr)
+	if (index.row() < 0 || index.row() >= tank_info_table.nr)
 		return QVariant();
 	if (role == Qt::FontRole)
 		return defaultModelFont();
@@ -75,16 +36,7 @@ int TankInfoModel::rowCount(const QModelIndex&) const
 	return tank_info_table.nr;
 }
 
-TankInfoModel::TankInfoModel()
+TankInfoModel::TankInfoModel(QObject *parent) : CleanerTableModel(parent)
 {
 	setHeaderDataStrings(QStringList() << tr("Description") << tr("ml") << tr("bar"));
-	connect(&diveListNotifier, &DiveListNotifier::dataReset, this, &TankInfoModel::update);
-	connect(&diveListNotifier, &DiveListNotifier::settingsChanged, this, &TankInfoModel::update);
-	update();
-}
-
-void TankInfoModel::update()
-{
-	beginResetModel();
-	endResetModel();
 }

qt-models/tankinfomodel.h

@@ -9,22 +9,15 @@
 class TankInfoModel : public CleanerTableModel {
 	Q_OBJECT
 public:
-	static TankInfoModel *instance();
-
 	enum Column {
 		DESCRIPTION,
 		ML,
 		BAR
 	};
-	TankInfoModel();
+	TankInfoModel(QObject *parent);
 
 	QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
 	int rowCount(const QModelIndex &parent = QModelIndex()) const override;
-	bool insertRows(int row, int count, const QModelIndex &parent = QModelIndex()) override;
-	bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole) override;
-public
-slots:
-	void update();
 };
 
 #endif

qt-models/weightmodel.cpp

@@ -78,8 +78,10 @@ QVariant WeightModel::data(const QModelIndex &index, int role) const
 // Ownership of passed in weight system will be taken. Caller must not use it any longer.
 void WeightModel::setTempWS(int row, weightsystem_t ws)
 {
-	if (!d || row < 0 || row >= d->weightsystems.nr) // Sanity check: row must exist
+	if (!d || row < 0 || row >= d->weightsystems.nr) { // Sanity check: row must exist
+		free_weightsystem(ws);
 		return;
+	}
 
 	clearTempWS(); // Shouldn't be necessary, just in case: Reset old temporary row.
 

qt-models/weightsysteminfomodel.cpp

@@ -5,66 +5,27 @@
 #include "core/metrics.h"
 #include "core/gettextfromc.h"
 
-WSInfoModel *WSInfoModel::instance()
-{
-	static WSInfoModel self;
-	return &self;
-}
-
-bool WSInfoModel::insertRows(int, int count, const QModelIndex &parent)
-{
-	beginInsertRows(parent, rowCount(), rowCount());
-	rows += count;
-	endInsertRows();
-	return true;
-}
-
-bool WSInfoModel::setData(const QModelIndex &index, const QVariant &value, int)
-{
-	//WARN: check for Qt::EditRole
-	struct ws_info_t *info = &ws_info[index.row()];
-	switch (index.column()) {
-	case DESCRIPTION:
-		info->name = strdup(value.toByteArray().data());
-		break;
-	case GR:
-		info->grams = value.toInt();
-		break;
-	}
-	emit dataChanged(index, index);
-	return true;
-}
-
-void WSInfoModel::clear()
-{
-}
-
 QVariant WSInfoModel::data(const QModelIndex &index, int role) const
 {
-	QVariant ret;
-	if (!index.isValid()) {
-		return ret;
-	}
+	if (!index.isValid() || index.row() >= rows)
+		return QVariant();
 	struct ws_info_t *info = &ws_info[index.row()];
 
 	int gr = info->grams;
 	switch (role) {
 	case Qt::FontRole:
-		ret = defaultModelFont();
-		break;
+		return defaultModelFont();
 	case Qt::DisplayRole:
 	case Qt::EditRole:
 		switch (index.column()) {
 		case GR:
-			ret = gr;
-			break;
+			return gr;
 		case DESCRIPTION:
-			ret = gettextFromC::tr(info->name);
-			break;
+			return gettextFromC::tr(info->name);
 		}
 		break;
 	}
-	return ret;
+	return QVariant();
 }
 
 int WSInfoModel::rowCount(const QModelIndex&) const
@@ -72,18 +33,10 @@ int WSInfoModel::rowCount(const QModelIndex&) const
 	return rows;
 }
 
-WSInfoModel::WSInfoModel()
+WSInfoModel::WSInfoModel(QObject *parent) : CleanerTableModel(parent)
 {
 	setHeaderDataStrings(QStringList() << tr("Description") << tr("kg"));
-	connect(&diveListNotifier, &DiveListNotifier::dataReset, this, &WSInfoModel::update);
-	update();
-}
-
-void WSInfoModel::update()
-{
-	beginResetModel();
 	rows = 0;
 	for (struct ws_info_t *info = ws_info; info->name && info < ws_info + MAX_WS_INFO; info++, rows++)
 		;
-	endResetModel();
 }

qt-models/weightsysteminfomodel.h

@@ -8,24 +8,17 @@
 class WSInfoModel : public CleanerTableModel {
 	Q_OBJECT
 public:
-	static WSInfoModel *instance();
-
 	enum Column {
 		DESCRIPTION,
 		GR
 	};
-	WSInfoModel();
+	WSInfoModel(QObject *parent);
 
 	QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
 	int rowCount(const QModelIndex &parent = QModelIndex()) const override;
-	bool insertRows(int row, int count, const QModelIndex &parent = QModelIndex()) override;
-	bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole) override;
-	void clear();
-	void update();
 
 private:
 	int rows;
-	QString biggerEntry;
 };
 
 #endif