From a4811c2f8ca7d8e32d1230b58e8140b60fcee2a3 Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Fri, 9 Mar 2012 22:31:06 +0000
Subject: Fix "disconnect all".

git-svn-id: http://svn.drobilla.net/lad/trunk/ganv@4036 a436a847-0d15-0410-975c-d299462d15a1
---
 ganv/Edge.hpp |  8 ++++----
 ganv/canvas.h |  9 +++++++++
 ganv/edge.h   | 14 ++++++++++++++
 3 files changed, 27 insertions(+), 4 deletions(-)

(limited to 'ganv')

diff --git a/ganv/Edge.hpp b/ganv/Edge.hpp
index ee2423c..6912eb2 100644
--- a/ganv/Edge.hpp
+++ b/ganv/Edge.hpp
@@ -46,7 +46,6 @@ public:
 	     bool     show_arrowhead = false,
 	     bool     curved = true)
 		: Item(GANV_ITEM(
-			       g_object_ref(
 				       ganv_edge_new(
 					       canvas.gobj(),
 					       tail->gobj(),
@@ -54,11 +53,12 @@ public:
 					       "color", color,
 					       "curved", (gboolean)curved,
 					       "arrowhead", (gboolean)show_arrowhead,
-					       NULL))))
-	{}
+					       NULL)))
+	{
+	}
 
 	Edge(GanvEdge* gobj)
-		: Item(GANV_ITEM(g_object_ref(gobj)))
+		: Item(GANV_ITEM(gobj))
 	{}
 
 	virtual ~Edge() {
diff --git a/ganv/canvas.h b/ganv/canvas.h
index ddd420b..bbf6b97 100644
--- a/ganv/canvas.h
+++ b/ganv/canvas.h
@@ -77,6 +77,15 @@ void
 ganv_canvas_add_node(GanvCanvas* canvas,
                      GanvNode*   node);
 
+void
+ganv_canvas_disconnect_edge(GanvCanvas* canvas,
+                            GanvEdge*   edge);
+
+void
+ganv_canvas_remove_edge_between(GanvCanvas* canvas,
+                                GanvNode*   tail,
+                                GanvNode*   head);
+
 /** Get the default font size in points. */
 double
 ganv_canvas_get_default_font_size(const GanvCanvas* canvas);
diff --git a/ganv/edge.h b/ganv/edge.h
index 9a409b2..2d51c89 100644
--- a/ganv/edge.h
+++ b/ganv/edge.h
@@ -71,6 +71,20 @@ ganv_edge_highlight(GanvEdge* edge);
 void
 ganv_edge_unhighlight(GanvEdge* edge);
 
+/**
+ * ganv_edge_disconnect:
+ * Disconnect the edge.  This will disconnect the edge just as if it had been
+ * disconnected by the user via the canvas.  The canvas disconnect signal will
+ * be emitted, allowing the application to control disconnect logic.
+ */
+void
+ganv_edge_disconnect(GanvEdge* edge);
+
+/**
+ * ganv_edge_remove:
+ * Remove the edge from the canvas.  This will only remove the edge visually,
+ * it will not emit the canvas disconnect signal to notify the application.
+ */
 void
 ganv_edge_remove(GanvEdge* edge);
 
-- 
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