From acf37923074bffb7da96cbe18a021afa5cdb18f5 Mon Sep 17 00:00:00 2001
From: ghidravore <ghidravore@users.noreply.github.com>
Date: Tue, 17 Nov 2020 16:37:14 -0500
Subject: [PATCH] fixed issue with graph mouse controls not working if no
 listener is set.

---
 .../ghidra/graph/visualization/DefaultGraphDisplay.java    | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/Ghidra/Features/GraphServices/src/main/java/ghidra/graph/visualization/DefaultGraphDisplay.java b/Ghidra/Features/GraphServices/src/main/java/ghidra/graph/visualization/DefaultGraphDisplay.java
index c5747d3f34..3fd2e8a5cd 100644
--- a/Ghidra/Features/GraphServices/src/main/java/ghidra/graph/visualization/DefaultGraphDisplay.java
+++ b/Ghidra/Features/GraphServices/src/main/java/ghidra/graph/visualization/DefaultGraphDisplay.java
@@ -198,9 +198,6 @@ public class DefaultGraphDisplay implements GraphDisplay {
 		viewer.setInitialDimensionFunction(InitialDimensionFunction
 				.builder(viewer.getRenderContext().getVertexBoundsFunction())
 				.build());
-
-		graphMouse = new JgtPluggableGraphMouse(this);
-
 		createToolbarActions();
 		createPopupActions();
 		connectSelectionStateListeners();
@@ -647,7 +644,6 @@ public class DefaultGraphDisplay implements GraphDisplay {
 			this.listener.graphClosed();
 		}
 		this.listener = listener;
-		viewer.setGraphMouse(graphMouse);
 	}
 
 	private void deselectEdge(AttributedEdge edge) {
@@ -1122,6 +1118,9 @@ public class DefaultGraphDisplay implements GraphDisplay {
 			vv.getComponent().removeMouseListener(mouseListener);
 		}
 
+		graphMouse = new JgtPluggableGraphMouse(this);
+		viewer.setGraphMouse(graphMouse);
+
 		return vv;
 	}