From 224230e7d585482f1917024a3fff14a70f3064ab Mon Sep 17 00:00:00 2001
From: Phil Burk <philburk@mobileer.com>
Date: Sun, 15 Sep 2019 12:01:39 -0700
Subject: ui: use safeRepaint()

To allow workaround for OpenJDK bug.
    https://github.com/philburk/syntona/issues/13
---
 src/com/jsyn/swing/RotaryController.java | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/com/jsyn/swing/RotaryController.java b/src/com/jsyn/swing/RotaryController.java
index 6cc84f3..c26c37f 100644
--- a/src/com/jsyn/swing/RotaryController.java
+++ b/src/com/jsyn/swing/RotaryController.java
@@ -69,11 +69,17 @@ public class RotaryController extends JPanel {
         model.addChangeListener(new ChangeListener() {
             @Override
             public void stateChanged(ChangeEvent e) {
-                repaint();
+                safeRepaint();
             }
+
         });
     }
 
+    // This can be overridden in subclasses to workaround OpenJDK bugs.
+    public void safeRepaint() {
+        repaint();
+    }
+
     public BoundedRangeModel getModel() {
         return model;
     }
-- 
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