3 files changed, 26 insertions, 31 deletions

diff --git a/src/gui/GraphCanvas.cpp b/src/gui/GraphCanvas.cpp
index 7053b495..565f607e 100644
--- a/src/gui/GraphCanvas.cpp
+++ b/src/gui/GraphCanvas.cpp
@@ -405,6 +405,7 @@ GraphCanvas::get_port_view(SPtr<PortModel> port)
 	return NULL;
 }
 
+/** Called when a connection is added to the model. */
 void
 GraphCanvas::connection(SPtr<const ArcModel> arc)
 {
@@ -419,44 +420,49 @@ GraphCanvas::connection(SPtr<const ArcModel> arc)
 	}
 }
 
+/** Called when a connection is removed from the model. */
 void
 GraphCanvas::disconnection(SPtr<const ArcModel> arc)
 {
-	Ganv::Port* const src = get_port_view(arc->tail());
-	Ganv::Port* const dst = get_port_view(arc->head());
+	Ganv::Port* const tail = get_port_view(arc->tail());
+	Ganv::Port* const head = get_port_view(arc->head());
 
-	if (src && dst) {
-		remove_edge_between(src, dst);
+	if (tail && head) {
+		remove_edge_between(tail, head);
+		if (arc->head()->is_a(_app.uris().lv2_AudioPort)) {
+			GUI::Port* const h = dynamic_cast<GUI::Port*>(head);
+			if (h) {
+				h->activity(_app.forge().make(0.0f));  // Reset peaks
+			}
+		}
 	} else {
 		_app.log().error(fmt("Unable to find ports to disconnect %1% => %2%\n")
 		                 % arc->tail_path() % arc->head_path());
 	}
 }
 
+/** Called when the user connects ports on the canvas. */
 void
-GraphCanvas::connect(Ganv::Node* tail,
-                     Ganv::Node* head)
+GraphCanvas::connect(Ganv::Node* tail, Ganv::Node* head)
 {
-	const Ingen::GUI::Port* const src
-		= dynamic_cast<Ingen::GUI::Port*>(tail);
+	const GUI::Port* const t = dynamic_cast<GUI::Port*>(tail);
+	const GUI::Port* const h = dynamic_cast<GUI::Port*>(head);
 
-	const Ingen::GUI::Port* const dst
-		= dynamic_cast<Ingen::GUI::Port*>(head);
-
-	if (!src || !dst)
-		return;
-
-	_app.interface()->connect(src->model()->path(), dst->model()->path());
+	if (t && h) {
+		_app.interface()->connect(t->model()->path(), h->model()->path());
+	}
 }
 
+/** Called when the user disconnects ports on the canvas. */
 void
-GraphCanvas::disconnect(Ganv::Node* tail,
-                        Ganv::Node* head)
+GraphCanvas::disconnect(Ganv::Node* tail, Ganv::Node* head)
 {
-	const Ingen::GUI::Port* const t = dynamic_cast<Ingen::GUI::Port*>(tail);
-	const Ingen::GUI::Port* const h = dynamic_cast<Ingen::GUI::Port*>(head);
+	const GUI::Port* const t = dynamic_cast<GUI::Port*>(tail);
+	const GUI::Port* const h = dynamic_cast<GUI::Port*>(head);
 
-	_app.interface()->disconnect(t->model()->path(), h->model()->path());
+	if (t && h) {
+		_app.interface()->disconnect(t->model()->path(), h->model()->path());
+	}
 }
 
 void
diff --git a/src/gui/Port.cpp b/src/gui/Port.cpp
index 9a20a8b8..c1947fea 100644
--- a/src/gui/Port.cpp
+++ b/src/gui/Port.cpp
@@ -81,8 +81,6 @@ Port::Port(App&                  app,
 		sigc::mem_fun(this, &Port::property_removed));
 	pm->signal_activity().connect(
 		sigc::mem_fun(this, &Port::activity));
-	pm->signal_disconnection().connect(
-		sigc::mem_fun(this, &Port::disconnected_from));
 	pm->signal_moved().connect(
 		sigc::mem_fun(this, &Port::moved));
 
@@ -371,14 +369,6 @@ Port::activity(const Atom& value)
 	}
 }
 
-void
-Port::disconnected_from(SPtr<PortModel> port)
-{
-	if (!model()->connected() && model()->is_a(_app.uris().lv2_AudioPort)) {
-		set_fill_color(peak_color(0.0f));
-	}
-}
-
 GraphBox*
 Port::get_graph_box() const
 {
diff --git a/src/gui/Port.hpp b/src/gui/Port.hpp
index a9549160..5f683412 100644
--- a/src/gui/Port.hpp
+++ b/src/gui/Port.hpp
@@ -62,7 +62,6 @@ public:
 
 	void value_changed(const Atom& value);
 	void activity(const Atom& value);
-	void disconnected_from(SPtr<Client::PortModel> port);
 
 	bool on_selected(gboolean b);