Hover the areas when the legend item is selected

src/GUI/areaitem.cpp

@@ -178,6 +178,16 @@ void AreaItem::setDigitalZoom(int zoom)
 	_pen.setWidthF(width() * pow(2, -_digitalZoom));
 }
 
+void AreaItem::hover(bool hvr)
+{
+	if (hvr)
+		_pen.setWidthF((_width + 1) * pow(2, -_digitalZoom));
+	else
+		_pen.setWidthF(_width * pow(2, -_digitalZoom));
+
+	update();
+}
+
 void AreaItem::hoverEnterEvent(QGraphicsSceneHoverEvent *event)
 {
 	Q_UNUSED(event);

src/GUI/areaitem.h

@@ -6,6 +6,8 @@
 
 class AreaItem : public PlaneItem
 {
+	Q_OBJECT
+
 public:
 	AreaItem(const Area &area, Map *map, GraphicsItem *parent = 0);
 
@@ -31,6 +33,9 @@ public:
 	const QColor color() const {return _pen.color();}
 	const QString &name() const {return _area.name();}
 
+public slots:
+	void hover(bool hvr);
+
 protected:
 	void hoverEnterEvent(QGraphicsSceneHoverEvent *event);
 	void hoverLeaveEvent(QGraphicsSceneHoverEvent *event);

src/GUI/legenditem.cpp

@@ -66,6 +66,8 @@ void LegendItem::addItem(PlaneItem *item)
 
 	_boundingRect = QRectF(0, 0, qMax(_boundingRect.width(),
 	  li->boundingRect().width()), _items.size() * li->boundingRect().height());
+
+	QObject::connect(li, &LegendEntryItem::selected, item, &PlaneItem::hover);
 }
 
 void LegendItem::setColor(const QColor &color)

src/GUI/mapitem.cpp

@@ -205,6 +205,16 @@ void MapItem::setDigitalZoom(int zoom)
 	_pen.setWidthF(_width * pow(2, -_digitalZoom));
 }
 
+void MapItem::hover(bool hvr)
+{
+	if (hvr)
+		_pen.setWidthF((_width + 1) * pow(2, -_digitalZoom));
+	else
+		_pen.setWidthF(_width * pow(2, -_digitalZoom));
+
+	update();
+}
+
 void MapItem::hoverEnterEvent(QGraphicsSceneHoverEvent *event)
 {
 	Q_UNUSED(event);

src/GUI/mapitem.h

@@ -6,7 +6,7 @@
 class MapAction;
 class Projection;
 
-class MapItem : public QObject, public PlaneItem
+class MapItem : public PlaneItem
 {
 	Q_OBJECT
 
@@ -32,6 +32,9 @@ public:
 	const QColor color() const {return _pen.color();}
 	const QString &name() const {return _name;}
 
+public slots:
+	void hover(bool hvr);
+
 signals:
 	void triggered();
 

src/GUI/planeitem.h

@@ -6,8 +6,10 @@
 
 class Map;
 
-class PlaneItem : public GraphicsItem
+class PlaneItem : public QObject, public GraphicsItem
 {
+	Q_OBJECT
+
 public:
 	PlaneItem(GraphicsItem *parent = 0) : GraphicsItem(parent) {}
 
@@ -23,6 +25,9 @@ public:
 
 	virtual const QColor color() const = 0;
 	virtual const QString &name() const = 0;
+
+public slots:
+	virtual void hover(bool hvr) = 0;
 };
 
 #endif // PLANEITEM_H