Fix search dialog hanging for a short time sometimes (#250)

1 files changed, 6 insertions, 4 deletions

diff --git a/src/main/java/cuchaz/enigma/gui/util/AbstractListCellRenderer.java b/src/main/java/cuchaz/enigma/gui/util/AbstractListCellRenderer.java
index e071fe1..612e3e9 100644
--- a/src/main/java/cuchaz/enigma/gui/util/AbstractListCellRenderer.java
+++ b/src/main/java/cuchaz/enigma/gui/util/AbstractListCellRenderer.java
@@ -10,16 +10,18 @@ public abstract class AbstractListCellRenderer<E> extends JPanel implements List
 
         private static final Border NO_FOCUS_BORDER = BorderFactory.createEmptyBorder(1, 1, 1, 1);
 
+        private Border noFocusBorder;
+
         public AbstractListCellRenderer() {
                 setBorder(getNoFocusBorder());
         }
 
         protected Border getNoFocusBorder() {
-                Border border = UIManager.getLookAndFeel().getDefaults().getBorder("List.List.cellNoFocusBorder");
-                if (border == null) {
-                        return NO_FOCUS_BORDER;
+                if (noFocusBorder == null) {
+                        Border border = UIManager.getLookAndFeel().getDefaults().getBorder("List.List.cellNoFocusBorder");
+                        noFocusBorder = border != null ? border : NO_FOCUS_BORDER;
                 }
-                return border;
+                return noFocusBorder;
         }
 
         protected Border getBorder(boolean isSelected, boolean cellHasFocus) {