1 files changed, 172 insertions, 0 deletions
diff --git a/desktop-widgets/profile/diveeventitem.cpp b/desktop-widgets/profile/diveeventitem.cpp
new file mode 100644
index 000000000..0bbc84267
--- /dev/null
+++ b/desktop-widgets/profile/diveeventitem.cpp
@@ -0,0 +1,172 @@
+#include "diveeventitem.h"
+#include "diveplotdatamodel.h"
+#include "divecartesianaxis.h"
+#include "animationfunctions.h"
+#include "libdivecomputer.h"
+#include "profile.h"
+#include "gettextfromc.h"
+#include "metrics.h"
+
+extern struct ev_select *ev_namelist;
+extern int evn_used;
+
+DiveEventItem::DiveEventItem(QObject *parent) : DivePixmapItem(parent),
+	vAxis(NULL),
+	hAxis(NULL),
+	dataModel(NULL),
+	internalEvent(NULL)
+{
+	setFlag(ItemIgnoresTransformations);
+}
+
+
+void DiveEventItem::setHorizontalAxis(DiveCartesianAxis *axis)
+{
+	hAxis = axis;
+	recalculatePos(true);
+}
+
+void DiveEventItem::setModel(DivePlotDataModel *model)
+{
+	dataModel = model;
+	recalculatePos(true);
+}
+
+void DiveEventItem::setVerticalAxis(DiveCartesianAxis *axis)
+{
+	vAxis = axis;
+	recalculatePos(true);
+	connect(vAxis, SIGNAL(sizeChanged()), this, SLOT(recalculatePos()));
+}
+
+struct event *DiveEventItem::getEvent()
+{
+	return internalEvent;
+}
+
+void DiveEventItem::setEvent(struct event *ev)
+{
+	if (!ev)
+		return;
+	internalEvent = ev;
+	setupPixmap();
+	setupToolTipString();
+	recalculatePos(true);
+}
+
+void DiveEventItem::setupPixmap()
+{
+	const IconMetrics& metrics = defaultIconMetrics();
+	int sz_bigger = metrics.sz_med + metrics.sz_small; // ex 40px
+	int sz_pix = sz_bigger/2; // ex 20px
+
+#define EVENT_PIXMAP(PIX) QPixmap(QString(PIX)).scaled(sz_pix, sz_pix, Qt::KeepAspectRatio, Qt::SmoothTransformation)
+#define EVENT_PIXMAP_BIGGER(PIX) QPixmap(QString(PIX)).scaled(sz_bigger, sz_bigger, Qt::KeepAspectRatio, Qt::SmoothTransformation)
+	if (same_string(internalEvent->name, "")) {
+		setPixmap(EVENT_PIXMAP(":warning"));
+	} else if (internalEvent->type == SAMPLE_EVENT_BOOKMARK) {
+		setPixmap(EVENT_PIXMAP(":flag"));
+	} else if (strcmp(internalEvent->name, "heading") == 0 ||
+		   (same_string(internalEvent->name, "SP change") && internalEvent->time.seconds == 0)) {
+		// 2 cases:
+		// a) some dive computers have heading in every sample
+		// b) at t=0 we might have an "SP change" to indicate dive type
+		// in both cases we want to get the right data into the tooltip but don't want the visual clutter
+		// so set an "almost invisible" pixmap (a narrow but somewhat tall, basically transparent pixmap)
+		// that allows tooltips to work when we don't want to show a specific
+		// pixmap for an event, but want to show the event value in the tooltip
+		QPixmap transparentPixmap(4, 20);
+		transparentPixmap.fill(QColor::fromRgbF(1.0, 1.0, 1.0, 0.01));
+		setPixmap(transparentPixmap);
+	} else if (event_is_gaschange(internalEvent)) {
+		if (internalEvent->gas.mix.he.permille)
+			setPixmap(EVENT_PIXMAP_BIGGER(":gaschangeTrimix"));
+		else if (gasmix_is_air(&internalEvent->gas.mix))
+			setPixmap(EVENT_PIXMAP_BIGGER(":gaschangeAir"));
+		else
+			setPixmap(EVENT_PIXMAP_BIGGER(":gaschangeNitrox"));
+	} else {
+		setPixmap(EVENT_PIXMAP(":warning"));
+	}
+#undef EVENT_PIXMAP
+}
+
+void DiveEventItem::setupToolTipString()
+{
+	// we display the event on screen - so translate
+	QString name = gettextFromC::instance()->tr(internalEvent->name);
+	int value = internalEvent->value;
+	int type = internalEvent->type;
+	if (value) {
+		if (event_is_gaschange(internalEvent)) {
+			name += ": ";
+			name += gasname(&internalEvent->gas.mix);
+
+			/* Do we have an explicit cylinder index?  Show it. */
+			if (internalEvent->gas.index >= 0)
+				name += QString(" (cyl %1)").arg(internalEvent->gas.index+1);
+		} else if (type == SAMPLE_EVENT_PO2 && name == "SP change") {
+			name += QString(":%1").arg((double)value / 1000);
+		} else {
+			name += QString(":%1").arg(value);
+		}
+	} else if (type == SAMPLE_EVENT_PO2 && name == "SP change") {
+		// this is a bad idea - we are abusing an existing event type that is supposed to
+		// warn of high or low pO₂ and are turning it into a set point change event
+		name += "\n" + tr("Manual switch to OC");
+	} else {
+		name += internalEvent->flags == SAMPLE_FLAGS_BEGIN ? tr(" begin", "Starts with space!") :
+								     internalEvent->flags == SAMPLE_FLAGS_END ? tr(" end", "Starts with space!") : "";
+	}
+	// qDebug() << name;
+	setToolTip(name);
+}
+
+void DiveEventItem::eventVisibilityChanged(const QString &eventName, bool visible)
+{
+}
+
+bool DiveEventItem::shouldBeHidden()
+{
+	struct event *event = internalEvent;
+
+	/*
+	 * Some gas change events are special. Some dive computers just tell us the initial gas this way.
+	 * Don't bother showing those
+	 */
+	struct sample *first_sample = &get_dive_dc(&displayed_dive, dc_number)->sample[0];
+	if (!strcmp(event->name, "gaschange") &&
+	    (event->time.seconds == 0 ||
+	     (first_sample && event->time.seconds == first_sample->time.seconds)))
+		return true;
+
+	for (int i = 0; i < evn_used; i++) {
+		if (!strcmp(event->name, ev_namelist[i].ev_name) && ev_namelist[i].plot_ev == false)
+			return true;
+	}
+	return false;
+}
+
+void DiveEventItem::recalculatePos(bool instant)
+{
+	if (!vAxis || !hAxis || !internalEvent || !dataModel)
+		return;
+
+	QModelIndexList result = dataModel->match(dataModel->index(0, DivePlotDataModel::TIME), Qt::DisplayRole, internalEvent->time.seconds);
+	if (result.isEmpty()) {
+		Q_ASSERT("can't find a spot in the dataModel");
+		hide();
+		return;
+	}
+	if (!isVisible() && !shouldBeHidden())
+		show();
+	int depth = dataModel->data(dataModel->index(result.first().row(), DivePlotDataModel::DEPTH)).toInt();
+	qreal x = hAxis->posAtValue(internalEvent->time.seconds);
+	qreal y = vAxis->posAtValue(depth);
+	if (!instant)
+		Animations::moveTo(this, x, y);
+	else
+		setPos(x, y);
+	if (isVisible() && shouldBeHidden())
+		hide();
+}