Source Code : Paint on glass pane

Java Is Open Source Programming Language You Can Download From Java and Java Libraries From http://www.oracle.com. Click Here to download
We provide this code related to title for you to solve your developing problem easily. Libraries which is import in this program you can download from http://www.oracle.com. Click Here or search from google with Libraries Name you get jar file related it

Paint on glass pane

 

import java.awt.Color;
import java.awt.Component;
import java.awt.Container;
import java.awt.Graphics;
import java.awt.Point;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseMotionAdapter;

import javax.swing.JButton;
import javax.swing.JComponent;
import javax.swing.JFrame;

public class Main extends JComponent {
  public static void main(String[] args) {

    JFrame frame = new JFrame();

    final JButton activate = new JButton("Show");
    frame.add(activate);

    frame.pack();
    frame.setVisible(true);

    final Main glass = new Main(frame);
    frame.setGlassPane(glass);

    activate.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent evt) {
        glass.setVisible(true);
      }
    });
  }

  JFrame frame;

  Point cursor;

  public Main(JFrame frame) {
    this.frame = frame;
    cursor = new Point();
    this.addMouseMotionListener(new MouseMotionAdapter() {
      public void mouseMoved(MouseEvent evt) {
        cursor = new Point(evt.getPoint());
        Main.this.repaint();
      }
    });
    this.addMouseListener(new MouseAdapter() {
      public void mouseClicked(MouseEvent evt) {
        Main.this.setVisible(false);
      }
    });
  }

  public void paint(Graphics g) {
    Container root = frame.getContentPane();
    myPaint(root, g);
  }

  private void myPaint(Component comp, Graphics g) {
    int x = comp.getX();
    int y = comp.getY();
    g.translate(x, y);
    cursor.translate(-x, -y);
    if (comp.contains(cursor)) {
      String cls_name = comp.getClass().getName();
      g.setColor(Color.black);
      g.drawString(cls_name, 0, 10);
    }
    if (comp instanceof Container) {
      Container cont = (Container) comp;
      for (int i = 0; i < cont.getComponentCount(); i++) {
        Component child = cont.getComponent(i);
        myPaint(child, g);
      }
    }

    cursor.translate(x, y);
    g.translate(-x, -y);
  }

}

   
  

Thank with us