Merge branch 'develop' into spike/JAL-4047/JAL-4048_columns_in_sequenceID

[jalview.git] / src / jalview / gui / TextColourChooser.java

diff --git a/src/jalview/gui/TextColourChooser.java b/src/jalview/gui/TextColourChooser.java
index e72a084..5bc6563 100644 (file)
--- a/src/jalview/gui/TextColourChooser.java
+++ b/src/jalview/gui/TextColourChooser.java
@@ -27,7 +27,6 @@ import java.awt.event.MouseAdapter;
 import java.awt.event.MouseEvent;
 import java.util.HashMap;
 import java.util.Map;
-import java.util.concurrent.Callable;
 
 import javax.swing.BorderFactory;
 import javax.swing.JLabel;
@@ -152,10 +151,9 @@ public class TextColourChooser
         MessageManager.getString("action.cancel") };
     String title = MessageManager
             .getString("label.adjust_foreground_text_colour_threshold");
-    Callable<Void> action = () -> // response for 1 = Cancel
+    Runnable action = () -> // response for 1 = Cancel
     {
       restoreInitialSettings();
-      return null;
     };
     JvOptionPane.newOptionDialog(alignPanel.alignFrame)
             .setResponseHandler(1, action).showInternalDialog(bigpanel,