From fa6cceb4adc0fecb9b390cb1bc44a9087c55947d Mon Sep 17 00:00:00 2001
From: Daniel_M_Williams <equipoise@gmail.com>
Date: Sat, 1 Aug 2020 11:58:05 -0400
Subject: [PATCH] [fix][optimize] Disables events while scaling a rocket.  This
 _greatly_ speeds the scaling

---
 swing/src/net/sf/openrocket/gui/dialogs/ScaleDialog.java | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/swing/src/net/sf/openrocket/gui/dialogs/ScaleDialog.java b/swing/src/net/sf/openrocket/gui/dialogs/ScaleDialog.java
index 0893ff55e..44d0a2df5 100644
--- a/swing/src/net/sf/openrocket/gui/dialogs/ScaleDialog.java
+++ b/swing/src/net/sf/openrocket/gui/dialogs/ScaleDialog.java
@@ -392,7 +392,11 @@ public class ScaleDialog extends JDialog {
 		scale.addActionListener(new ActionListener() {
 			@Override
 			public void actionPerformed(ActionEvent e) {
+
+				final Rocket rocket = document.getRocket();
+				rocket.enableEvents(false);
 				doScale();
+				rocket.enableEvents(true);
 
 				ScaleDialog.this.document.getRocket().fireComponentChangeEvent( ComponentChangeEvent.AEROMASS_CHANGE);