Add a static 'instance()' member for the Photos model.

This will make referencing it from  a few places more easy.

Signed-off-by: Tomaz Canabrava <tomaz.canabrava@intel.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

qt-ui/divepicturewidget.cpp

@@ -8,7 +8,13 @@ void DivePictureDelegate::paint(QPainter *painter, const QStyleOptionViewItem &o
 	QStyledItemDelegate::paint(painter, option, index);
 }
 
-DivePictureModel::DivePictureModel(QObject *parent): QAbstractTableModel(parent)
+DivePictureModel *DivePictureModel::instance()
+{
+	static DivePictureModel* self = new DivePictureModel();
+	return self;
+}
+
+DivePictureModel::DivePictureModel()
 {
 }