Fixed #26

HMCLAPI/src/main/java/org/jackhuang/hellominecraft/util/ui/SwingUtils.java

@@ -17,6 +17,7 @@
  */
 package org.jackhuang.hellominecraft.util.ui;
 
+import java.awt.Component;
 import java.awt.EventQueue;
 import java.awt.FontMetrics;
 import java.io.File;
@@ -27,6 +28,7 @@ import java.util.HashMap;
 import java.util.Map;
 import javax.swing.DefaultListModel;
 import javax.swing.JComboBox;
+import javax.swing.JComponent;
 import javax.swing.JLabel;
 import javax.swing.JList;
 import javax.swing.JOptionPane;
@@ -265,4 +267,13 @@ public class SwingUtils {
             return -1;
         return ((JComboBox) msgs[1]).getSelectedIndex();
     }
+
+    public static void setEnabled(JComponent component, boolean t) {
+        synchronized (component.getTreeLock()) {
+            for (Component c : component.getComponents())
+                if (c instanceof JComponent)
+                    setEnabled((JComponent) c, t);
+        }
+        component.setEnabled(t);
+    }
 }

HMCLAPI/src/main/java/org/jackhuang/hellominecraft/util/ui/wizard/api/displayer/WizardDisplayerImpl.java

@@ -460,6 +460,7 @@ public class WizardDisplayerImpl extends WizardDisplayer {
             }
         };
         Thread runner = new Thread(run, "Wizard Background Result Thread " + r);
+        runner.setDaemon(true);
         runner.start();
     }