Undecorated Translucent and Shaped Window in Java7

Question

mKorbel 274 Veteran Poster

11 Years Ago

Please how is possible (probably dirty hack) to create How to Create Translucent and Shaped Windows
- undecorated container (returns java.awt.IllegalComponentStateException: The frame is displayable.)
- change Look and Feel for (returns AWT-EventQueue-0" java.awt.IllegalComponentStateException: The frame is decorated)
by using code from linked official tutorial

.

import java.awt.*;
import javax.swing.*;

public class TranslucentWindow extends JFrame {

    private static final long serialVersionUID = 1L;

    public TranslucentWindow() {
        super("Test translucent window");
        setLayout(new FlowLayout());
        add(new JButton("test"));
        add(new JCheckBox("test"));
        add(new JRadioButton("test"));
        add(new JProgressBar(0, 100));
        JPanel panel = new JPanel() {
            @Override
            public Dimension getPreferredSize() {
                return new Dimension(400, 300);
            }
            private static final long serialVersionUID = 1L;

            @Override
            protected void paintComponent(Graphics g) {
                super.paintComponent(g);
                g.setColor(Color.red);
                g.fillRect(0, 0, getWidth(), getHeight());
            }
        };
        panel.add(new JLabel("Very long textxxxxxxxxxxxxxxxxxxxxx "));
        add(panel);
        pack();
        setLocationRelativeTo(null);
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        //setUndecorated(true);
    }

    public static void main(String[] args) {
        try {
            for (UIManager.LookAndFeelInfo info : UIManager.getInstalledLookAndFeels()) {
                if ("Nimbus".equals(info.getName())) {
                    UIManager.setLookAndFeel(info.getClassName());
                    break;
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        /*JFrame.setDefaultLookAndFeelDecorated(true);*/
        SwingUtilities.invokeLater(new Runnable() {
            @Override
            public void run() {
                Window w = new TranslucentWindow();
                w.setVisible(true);
                com.sun.awt.AWTUtilities.setWindowOpacity(w, 0.7f);
            }
        });
    }
}

everything works for code compiled in JDK6xx, Top-level Container can be undecorated, LookAndFeel changed to Nimbus,
not for Java7 (doesn't matter if desicion platform, binnary souce is setted back to JDK6 or not)
original discusion on SO, Can't transparent and undecorated JFrame in JDK7 when enabling nimbus
Asked/CrossPosted
1. CodeRanch
2. OTN

java swing

Edited 11 Years Ago by mKorbel

2 Contributors
3 Replies
1K Views
2 Weeks Discussion Span
Latest Post 11 Years Ago Latest Post by mKorbel

JamesCherrill 4,733 Most Valuable Poster

11 Years Ago

Here's a little demo I wrote a while ago that runs on Java 7 and has a transparent/shaped/undecorated window (JFrame window2). Maybe you can find what you need to know in this code? I remember that the order of the setUndecorated/setBackground/setOpacity/setVisible is critical. J.

import java.awt.Color;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.Shape;
import java.awt.Toolkit;
import java.awt.Window;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.geom.Ellipse2D;
import java.lang.reflect.Method;

import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.Timer;


public class DemoWindows implements ActionListener {

   public static void main(String[] args) {
      // create a new demo, and update it every 50 mSec
      new Timer(30, new DemoWindows()).start();
   }

   int phase = 0; // demo runs a number of consecutive phases
   int count = 0; // each of which takes a number of timesteps

   JFrame window1 = new JFrame("Java windows demo");
   JLabel text1 = new JLabel("<HTML><H1>Hello" + "<BR>Everyone");
//         "<HTML><H1>This is a demo of some of the effects"
//         + "<BR>that can be achieved with the new Java"
//         + "<BR>transparent window methods</H1>"
//         + "<BR>(requires latest version of Java)");
   JFrame window2 = new JFrame("Java windows demo");
   JLabel text2 = new JLabel("<HTML><center>Java<BR>rocks");

   int w, h, r, x, y; // parameters of iris circle

   DemoWindows() {

      // build and diplay the windows
      window1.add(text1);
      window1.pack();
      window1.setLocationRelativeTo(null);
      window1.setVisible(true);

      window2.setUndecorated(true);
      window2.setBackground(new Color(0, 0, 0, 0)); // alpha <1 = transparent
      window2.setOpacity(0.0f);

      text2.setFont(new Font("Arial", 1, 60));
      text2.setForeground(Color.red);

      window2.add(text2);
      window2.pack();
      window2.setLocationRelativeTo(null);
      window2.setVisible(true);

      // parameters of the smallest circle that encloses window2
      // this is the starting pouint for the "iris out" effect
      w = window2.getWidth();
      h = window2.getHeight();
      r = (int) Math.sqrt(w * w + h * h) / 2; // radius
      x = w / 2 - r; // top left coordinates of circle
      y = h / 2 - r;

   }

   @Override
   public void actionPerformed(ActionEvent e) {
      // called by timer 20 times per sec
      // goes thru a number of phases, each a few seconds long
      switch (phase) {
      case 0: {
         // initial pause
         if (++count > 50) {
            phase = 1; // go to next phase
            count = 0;
         }
         break;
      }
      case 1: {
         // fade in
         if (++count < 100) {
            window2.setOpacity(0.01f * count);
         } else {
            phase = 2; // go to next phase
            count = 0;
         }
         break;
      }
      case 2: {
         // move
         if (++count < 160) {
            if (count < 28 || count > 80) // pause for best effect
               window2.setLocation(window2.getX() + 1, window2.getY() + 1);
         } else {
            phase = 3; // go to next phase
            count = 0;
         }
         break;
      }
      case 3: {
         // iris out
         if (++count < r) {
            Shape shape = new Ellipse2D.Double(x + count, y + count, 2 * (r - count),
                  2 * (r - count));
            window2.setShape(shape);
         } else {
            phase = 99; // go to final (exit) phase
         }
         break;
      }
      case 99:
         System.exit(0);
      }

   }

}

Edited 11 Years Ago by JamesCherrill because: order of the setUndecorated/setBackground/setOpacity/setVisible is critical

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mKorbel 274 Veteran Poster · Answer 1 · 2013-05-07T09:00:11+00:00

interesting, required to create 1st JFrame like as SplashScreen, then is possible to create (delayed by Swing Timer, still not sure about, required another testing) another Top-Level Container
looks like as required to wait for all events are flushed and executed in EDT, probably reason why
thanks James, great mind with clear idea, found it :-)

.

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Font;
import java.awt.Shape;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.geom.Ellipse2D;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.SwingUtilities;
import javax.swing.Timer;
import javax.swing.UIManager;
import javax.swing.UnsupportedLookAndFeelException;

public class DemoWindows implements ActionListener {

    public static void main(String[] args) {
        // create a new demo, and update it every 50 mSec
        new Timer(30, new DemoWindows()).start();
    }
    int phase = 0; // demo runs a number of consecutive phases
    int count = 0; // each of which takes a number of timesteps
    JFrame window1 = new JFrame("Java windows demo");
    JLabel text1 = new JLabel("<HTML><H1>Hello" + "<BR>Everyone");
    // "<HTML><H1>This is a demo of some of the effects"
    // + "<BR>that can be achieved with the new Java"
    // + "<BR>transparent window methods</H1>"
    // + "<BR>(requires latest version of Java)");
    JFrame window2 = new JFrame("Java windows demo");
    JLabel text2 = new JLabel("<HTML><center>Java<BR>rocks");
    JButton button = new JButton("Whatever");
    int w, h, r, x, y; // parameters of iris circle

    DemoWindows() {
        // build and diplay the windows
        window1.add(text1);
        window1.pack();
        window1.setLocationRelativeTo(null);
        window1.setVisible(true);
        window2.setUndecorated(true);
        window2.setBackground(new Color(0, 0, 0, 0)); // alpha <1 = transparent
        window2.setOpacity(0.0f);
        text2.setFont(new Font("Arial", 1, 60));
        text2.setForeground(Color.red);
        window2.add(text2);
        window2.add(button, BorderLayout.SOUTH);
        window2.pack();
        window2.setLocationRelativeTo(null);
        window2.setVisible(true);
        // parameters of the smallest circle that encloses window2
        // this is the starting pouint for the "iris out" effect
        w = window2.getWidth();
        h = window2.getHeight();
        r = (int) Math.sqrt(w * w + h * h) / 2; // radius
        x = w / 2 - r; // top left coordinates of circle
        y = h / 2 - r;
    }

    @Override
    public void actionPerformed(ActionEvent e) {
        try {
            UIManager.setLookAndFeel("com.sun.java.swing.plaf.nimbus.NimbusLookAndFeel");
        } catch (ClassNotFoundException ex) {
            Logger.getLogger(DemoWindows.class.getName()).log(Level.SEVERE, null, ex);
        } catch (InstantiationException ex) {
            Logger.getLogger(DemoWindows.class.getName()).log(Level.SEVERE, null, ex);
        } catch (IllegalAccessException ex) {
            Logger.getLogger(DemoWindows.class.getName()).log(Level.SEVERE, null, ex);
        } catch (UnsupportedLookAndFeelException ex) {
            Logger.getLogger(DemoWindows.class.getName()).log(Level.SEVERE, null, ex);
        }
        SwingUtilities.updateComponentTreeUI(window2);
        // called by timer 20 times per sec
        // goes thru a number of phases, each a few seconds long
        switch (phase) {
            case 0: { // initial pause               
                if (++count > 50) {
                    phase = 1; // go to next phase
                    count = 0;
                }
                break;
            }
            case 1: { // fade in               
                if (++count < 100) {
                    window2.setOpacity(0.01f * count);
                } else {
                    phase = 2; // go to next phase
                    count = 0;
                }
                break;
            }
            case 2: { // move               
                if (++count < 160) {
                    if (count < 28 || count > 80) {// pause for best effect
                        window2.setLocation(window2.getX() + 1, window2.getY() + 1);
                    }
                } else {
                    phase = 3; // go to next phase
                    count = 0;
                }
                break;
            }
            case 3: {// iris out                
                if (++count < r) {
                    Shape shape = new Ellipse2D.Double(
                            x + count, y + count, 2 * (r - count), 2 * (r - count));
                    window2.setShape(shape);
                } else {
                    phase = 99; // go to final (exit) phase
                }
                break;
            }
            case 99:
                System.exit(0);
        }
    }
}

mKorbel 274 Veteran Poster · Answer 2 · 2013-05-22T18:41:39+00:00

half the solution in Java 7, is possible to create undecorated container, everything depends of proper ordering of methods
still not solution, possible to create decorated container and with changed Look And Feel

.

import java.awt.*;
import javax.swing.*;

public class TranslucentWindow extends JFrame {

    private static final long serialVersionUID = 1L;

    public TranslucentWindow() {
        super("Test translucent window");
        setLayout(new FlowLayout());
        add(new JButton("test"));
        add(new JCheckBox("test"));
        add(new JRadioButton("test"));
        add(new JProgressBar(0, 100));
        JPanel panel = new JPanel() {
            @Override
            public Dimension getPreferredSize() {
                return new Dimension(400, 300);
            }
            private static final long serialVersionUID = 1L;

            @Override
            protected void paintComponent(Graphics g) {
                super.paintComponent(g);
                g.setColor(Color.red);
                g.fillRect(0, 0, getWidth(), getHeight());
            }
        };
        panel.add(new JLabel("Very long textxxxxxxxxxxxxxxxxxxxxx "));
        add(panel);
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        setUndecorated(true);
        pack();
        setLocationRelativeTo(null);
        setOpacity(0.70f);
    }

    public static void main(String[] args) {
        try {
            for (UIManager.LookAndFeelInfo info : UIManager.getInstalledLookAndFeels()) {
                if ("Nimbus".equals(info.getName())) {
                    UIManager.setLookAndFeel(info.getClassName());
                    break;
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        //JFrame.setDefaultLookAndFeelDecorated(true);
        SwingUtilities.invokeLater(new Runnable() {
            @Override
            public void run() {
                Window w = new TranslucentWindow();
                w.setVisible(true);
            }
        });
    }
}