added a menu item for preferences and created a framework for preferences

still requires some implementation before fully functional.

src/com/limelight/gui/PreferencesFrame.java

@@ -0,0 +1,83 @@
+package com.limelight.gui;
+
+import java.awt.Dimension;
+import java.awt.Toolkit;
+import java.awt.event.WindowAdapter;
+import java.awt.event.WindowEvent;
+
+import javax.swing.Box;
+import javax.swing.BoxLayout;
+import javax.swing.JCheckBox;
+import javax.swing.JComboBox;
+import javax.swing.JFrame;
+import javax.swing.JPanel;
+
+import com.limelight.settings.PreferencesManager;
+import com.limelight.settings.PreferencesManager.Preferences;
+
+public class PreferencesFrame extends JFrame {
+	private static final long serialVersionUID = 1L;
+	private JComboBox resolution;
+	private JCheckBox fullscreen;
+	private Preferences prefs;
+	private boolean prefsChanged = false;
+	
+	public PreferencesFrame() {
+		super("Preferences");
+		this.setSize(200, 100);
+		this.setResizable(false);
+		this.setAlwaysOnTop(true);
+	}
+	
+	public void build() {
+		
+		JPanel mainPanel = new JPanel();
+		mainPanel.setLayout(new BoxLayout(mainPanel, BoxLayout.Y_AXIS));
+		
+		resolution = new JComboBox();
+		resolution.addItem("1080p");
+		resolution.addItem("720p");
+		
+		fullscreen = new JCheckBox("Fullscreen");
+		
+		
+		Box resolutionBox = Box.createHorizontalBox();
+		resolutionBox.add(Box.createHorizontalGlue());
+		resolutionBox.add(resolution);
+		resolutionBox.add(Box.createHorizontalGlue());
+		
+		Box fullscreenBox = Box.createHorizontalBox();
+		fullscreenBox.add(Box.createHorizontalGlue());
+		fullscreenBox.add(fullscreen);
+		fullscreenBox.add(Box.createHorizontalGlue());
+		
+		mainPanel.add(Box.createVerticalStrut(10));
+		mainPanel.add(resolutionBox);
+		mainPanel.add(Box.createVerticalStrut(5));
+		mainPanel.add(fullscreenBox);
+		mainPanel.add(Box.createVerticalGlue());
+		
+		this.addWindowListener(new WindowAdapter() {
+			@Override
+			public void windowClosing(WindowEvent e) {
+				super.windowClosing(e);
+				if (prefsChanged) {
+					writePreferences();
+				}
+			}
+		});
+		
+		this.getContentPane().add(mainPanel);
+
+		Dimension dim = Toolkit.getDefaultToolkit().getScreenSize();
+		//center on screen
+		this.setLocation((int)dim.getWidth()/2-this.getWidth(), (int)dim.getHeight()/2-this.getHeight());
+		
+		this.setVisible(true);
+	}
+	
+	private void writePreferences() {
+		PreferencesManager.writePreferences(prefs);
+	}
+	
+}