mapwidget: add placeholder centerOnDiveSite() public slot

This is WIP and would be developed futher, so that the new
map widget can center on a divesite location.

Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>

desktop-widgets/mapwidget.cpp

@@ -3,6 +3,8 @@
 #include <QQuickItem>
 
 #include "mapwidget.h"
+#include "core/dive.h"
+#include "core/divesite.h"
 
 MapWidget *MapWidget::m_instance = NULL;
 
@@ -14,6 +16,17 @@ MapWidget::MapWidget(QWidget *parent) : QQuickWidget(parent)
 	m_rootItem = qobject_cast<QQuickItem *>(rootObject());
 }
 
+void MapWidget::centerOnDiveSite(struct dive_site *ds)
+{
+	if (!dive_site_has_gps_location(ds))
+		return;
+
+	qreal longitude = ds->longitude.udeg / 1000000.0;
+	qreal latitude = ds->latitude.udeg / 1000000.0;
+
+	qDebug() << longitude << latitude;
+}
+
 MapWidget::~MapWidget()
 {
 	m_instance = NULL;

desktop-widgets/mapwidget.h

@@ -3,17 +3,25 @@
 
 #include <QQuickWidget>
 
+#include "core/divesite.h"
+
 class QResizeEvent;
 class QQuickItem;
+struct dive_site;
 
 class MapWidget : public QQuickWidget {
 
+	Q_OBJECT
+
 public:
 	MapWidget(QWidget *parent = NULL);
 	~MapWidget();
 
 	static MapWidget *instance();
 
+public slots:
+	void centerOnDiveSite(struct dive_site *);
+
 private:
 	static MapWidget *m_instance;
 	QQuickItem *m_rootItem;