UI restructure: don't use random dives from the divelist for data

Everything should come from the displayed_dive.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

qt-ui/profile/diveplotdatamodel.cpp

@@ -146,11 +146,6 @@ void DivePlotDataModel::setDive(dive *d, const plot_info &info)
 	endInsertRows();
 }
 
-int DivePlotDataModel::id() const
-{
-	return diveId;
-}
-
 unsigned int DivePlotDataModel::dcShown() const
 {
 	return dcNr;
@@ -178,9 +173,8 @@ void DivePlotDataModel::emitDataChanged()
 
 void DivePlotDataModel::calculateDecompression()
 {
-	struct dive *d = get_dive_by_uniq_id(id());
+	struct divecomputer *dc = select_dc(&displayed_dive);
-	struct divecomputer *dc = select_dc(d);
+	init_decompression(&displayed_dive);
-	init_decompression(d);
+	calculate_deco_information(&displayed_dive, dc, &pInfo, false);
-	calculate_deco_information(d, dc, &pInfo, false);
 	dataChanged(index(0, CEILING), index(pInfo.nr - 1, TISSUE_16));
 }

qt-ui/profile/diveplotdatamodel.h

@@ -54,7 +54,6 @@ public:
 	void clear();
 	void setDive(struct dive *d, const plot_info &pInfo);
 	const plot_info &data() const;
-	int id() const;
 	unsigned int dcShown() const;
 	double pheMax();
 	double pn2Max();

qt-ui/profile/diveprofileitem.cpp

@@ -450,7 +450,6 @@ void DiveGasPressureItem::modelDataChanged(const QModelIndex &topLeft, const QMo
 	int last_pressure[MAX_CYLINDERS] = { 0, };
 	int last_time[MAX_CYLINDERS] = { 0, };
 	struct plot_data *entry;
-	struct dive *dive = get_dive_by_uniq_id(dataModel->id());
 
 	cyl = -1;
 	for (int i = 0, count = dataModel->rowCount(); i < count; i++) {
@@ -464,7 +463,7 @@ void DiveGasPressureItem::modelDataChanged(const QModelIndex &topLeft, const QMo
 			if (!seen_cyl[cyl]) {
 				plotPressureValue(mbar, entry->sec, Qt::AlignRight | Qt::AlignTop);
 				plotGasValue(mbar, entry->sec, Qt::AlignRight | Qt::AlignBottom,
-					       dive->cylinder[cyl].gasmix);
+					       displayed_dive.cylinder[cyl].gasmix);
 				seen_cyl[cyl] = true;
 			}
 		}
@@ -509,11 +508,10 @@ void DiveGasPressureItem::paint(QPainter *painter, const QStyleOptionGraphicsIte
 	QPen pen;
 	pen.setCosmetic(true);
 	pen.setWidth(2);
-	struct dive *d = get_dive_by_uniq_id(dataModel->id());
 	struct plot_data *entry = dataModel->data().entry;
 	Q_FOREACH (const QPolygonF &poly, polygons) {
 		for (int i = 1, count = poly.count(); i < count; i++, entry++) {
-			pen.setBrush(getSacColor(entry->sac, d->sac));
+			pen.setBrush(getSacColor(entry->sac, displayed_dive.sac));
 			painter->setPen(pen);
 			painter->drawLine(poly[i - 1], poly[i]);
 		}

qt-ui/profile/profilewidget2.cpp

@@ -253,7 +253,6 @@ void ProfileWidget2::setupItemOnScene()
 
 void ProfileWidget2::replot()
 {
-	int diveId = dataModel->id();
 	dataModel->clear();
 	plotDive(); // simply plot the displayed_dive again
 }
@@ -360,6 +359,7 @@ void ProfileWidget2::plotDive(struct dive *d)
 	QTime measureDuration; // let's measure how long this takes us (maybe we'll turn of TTL calculation later
 	measureDuration.start();
 
+	if (currentState != ADD && currentState != PLAN) {
 		if (!d) {
 			if (selected_dive == -1)
 				return;
@@ -370,18 +370,14 @@ void ProfileWidget2::plotDive(struct dive *d)
 		// computer of the same dive, so we check the unique id of the dive
 		// and the selected dive computer number against the ones we are
 		// showing (can't compare the dive pointers as those might change).
-	if (d->id == dataModel->id() && dc_number == dataModel->dcShown() && !forceReplot)
+		if (d->id == displayed_dive.id && dc_number == dataModel->dcShown() && !forceReplot)
 			return;
 
 		forceReplot = false;
 
 		// this copies the dive and makes copies of all the relevant additional data
 		copy_dive(d, &displayed_dive);
-
+	} else {
-	//TODO: This is a temporary hack to help me understand the Planner.
-	// It seems that each time the 'createTemporaryPlan' runs, a new
-	// dive is created, and thus, we can plot that. hm...
-	if (currentState == ADD || currentState == PLAN) {
 		DivePlannerPointsModel *plannerModel = DivePlannerPointsModel::instance();
 		plannerModel->createTemporaryPlan();
 		if (!plannerModel->getDiveplan().dp) {
@@ -497,7 +493,7 @@ void ProfileWidget2::plotDive(struct dive *d)
 	else
 		meanDepth->setVisible(false);
 	meanDepth->setMeanDepth(pInfo.meandepth);
-	meanDepth->setLine(0, 0, timeAxis->posAtValue(d->duration.seconds), 0);
+	meanDepth->setLine(0, 0, timeAxis->posAtValue(displayed_dive.duration.seconds), 0);
 	meanDepth->animateMoveTo(3, profileYAxis->posAtValue(pInfo.meandepth));
 
 	dataModel->emitDataChanged();
@@ -524,7 +520,7 @@ void ProfileWidget2::plotDive(struct dive *d)
 	}
 	QString dcText = get_dc_nickname(currentdc->model, currentdc->deviceid);
 	int nr;
-	if ((nr = number_of_computers(current_dive)) > 1)
+	if ((nr = number_of_computers(&displayed_dive)) > 1)
 		dcText += tr(" (#%1 of %2)").arg(dc_number + 1).arg(nr);
 	diveComputerText->setText(dcText);
 	if (MainWindow::instance()->filesFromCommandLine() && animSpeedBackup != -1) {
@@ -1046,15 +1042,16 @@ void ProfileWidget2::changeGas()
 	QString gas = action->text();
 	// backup the things on the dataModel, since we will clear that out.
 	unsigned int diveComputer = dataModel->dcShown();
-	int diveId = dataModel->id();
 	struct gasmix gasmix;
 	int seconds = timeAxis->valueAt(scenePos);
-	struct dive *d = get_dive_by_uniq_id(diveId);
 
 	validate_gas(gas.toUtf8().constData(), &gasmix);
-	add_gas_switch_event(d, get_dive_dc(d, diveComputer), seconds, get_gasidx(d, &gasmix));
+	add_gas_switch_event(&displayed_dive, get_dive_dc(&displayed_dive, diveComputer), seconds, get_gasidx(&displayed_dive, &gasmix));
 	// this means we potentially have a new tank that is being used and needs to be shown
-	fixup_dive(d);
+	fixup_dive(&displayed_dive);
+
+	// FIXME - this no longer gets written to the dive list - so we need to enableEdition() here
+
 	MainWindow::instance()->information()->updateDiveInfo();
 	mark_divelist_changed(true);
 	replot();