searchbar: release focus on ESC

Author: frauzufall

src/main/java/org/scijava/ui/swing/search/SwingSearchBar.java

@@ -34,15 +34,13 @@
 import java.awt.BorderLayout;
 import java.awt.Color;
 import java.awt.Component;
-import java.awt.Container;
 import java.awt.Dimension;
 import java.awt.GridLayout;
 import java.awt.Window;
 import java.awt.event.FocusEvent;
 import java.awt.event.FocusListener;
 import java.awt.event.KeyAdapter;
 import java.awt.event.KeyEvent;
-import java.awt.event.KeyListener;
 import java.net.URL;
 import java.util.Collections;
 import java.util.Comparator;
@@ -52,13 +50,11 @@
 import java.util.function.Function;
 import java.util.stream.Collectors;
 
-import javax.swing.AbstractButton;
 import javax.swing.Box;
 import javax.swing.BoxLayout;
 import javax.swing.DefaultListModel;
 import javax.swing.ImageIcon;
 import javax.swing.JButton;
-import javax.swing.JComboBox;
 import javax.swing.JDialog;
 import javax.swing.JLabel;
 import javax.swing.JList;
@@ -68,6 +64,7 @@
 import javax.swing.JTextField;
 import javax.swing.ScrollPaneConstants;
 import javax.swing.SwingConstants;
+import javax.swing.SwingUtilities;
 import javax.swing.border.CompoundBorder;
 import javax.swing.border.EmptyBorder;
 import javax.swing.border.MatteBorder;
@@ -253,6 +250,8 @@ private void reset() {
 			searchPanel = null;
 			dialog.dispose();
 			dialog = null;
+		}else{
+			SwingUtilities.getWindowAncestor(this).requestFocusInWindow();
 		}
 		if (!getText().isEmpty()) setText("");
 		else {