package boredum;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

// give option to display in fullscreen, or resizable JFrame
public class DisplayManager extends JFrame{
  private Container c;
  private JButton b;
  private GraphicsDevice device;

  public DisplayManager(int x){
    switch (x) {
     case 0:
       GraphicsEnvironment env = GraphicsEnvironment.
           getLocalGraphicsEnvironment();
       device = env.getDefaultScreenDevice();
       b = new JButton("Toggle Fullscreen");
       //b.setSize(60, 30);
       c = getContentPane();
       c.setLayout(new FlowLayout());
       c.add(b);

       this.setUndecorated(true);
       this.setResizable(false);
       device.setFullScreenWindow(this);

       break;

     case 1:
       b = new JButton("Toggle Fullscreen");
       c = getContentPane();
       c.setLayout(new BorderLayout());
       c.add(b, BorderLayout.CENTER);
       setSize(640, 480);
       show();

       break;

     default:
       JButton b = new JButton("Toggle Fullscreen");
       c = getContentPane();
       c.setLayout(new BorderLayout());
       c.add(b, BorderLayout.CENTER);
       setSize(640,480);
       show();

       break;
    }
  }
  public static void main(String[] args) {

    DisplayManager app = new DisplayManager(1);
    app.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    app.setResizable(true);
    app.setTitle("App");
  }
}