jdk-24/test/jdk/javax/swing/JRadioButton/4314194/bug4314194.java

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/*
 * @test
 * @key headful
 * @bug 4314194 8075916 8298083
 * @summary  Verifies disabled color for JCheckbox and JRadiobutton is honored in all L&F
 * @run main bug4314194
 */

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Component;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.Robot;
import javax.swing.JFrame;
import javax.swing.JCheckBox;
import javax.swing.JRadioButton;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
import javax.swing.UnsupportedLookAndFeelException;
import javax.swing.plaf.synth.SynthLookAndFeel;

public class bug4314194 {
    private static volatile JFrame frame;
    private static volatile JRadioButton radioButton;
    private static volatile JCheckBox checkBox;
    private static volatile Point point;
    private static volatile Rectangle rect;
    private static Robot robot;
    private static final Color radioButtonColor = Color.RED;
    private static final Color checkboxColor = Color.GREEN;
    private static final int tolerance = 20;

    private static boolean checkComponent(Component comp, Color c) throws Exception {
        int correctColoredPixels = 0;
        int totalPixels = 0;

        SwingUtilities.invokeAndWait(() -> {
            point = comp.getLocationOnScreen();
            rect = comp.getBounds();
        });

        int y = point.y + rect.height / 2;
        for (int x = point.x; x < point.x + rect.width; x++) {
            Color color = robot.getPixelColor(x, y);
            robot.waitForIdle();

            if (color.equals(c)) {
                correctColoredPixels++;
            }
            totalPixels++;
        }

        System.out.println("correctColoredPixels " + correctColoredPixels + " totalPixels " + totalPixels);
        return ((double)correctColoredPixels/totalPixels*100) >= tolerance;
    }

    private static void setLookAndFeel(UIManager.LookAndFeelInfo laf) {
        try {
            UIManager.setLookAndFeel(laf.getClassName());
        } catch (UnsupportedLookAndFeelException ignored) {
            System.out.println("Unsupported L&F: " + laf.getClassName());
        } catch (ClassNotFoundException | InstantiationException
                | IllegalAccessException e) {
            throw new RuntimeException(e);
        }
    }

    private static void createUI(String laf) {
        if (UIManager.getLookAndFeel() instanceof SynthLookAndFeel) {
            // reset "basic" properties
            UIManager.getDefaults().put("CheckBox.disabledText", null);
            UIManager.getDefaults().put("RadioButton.disabledText", null);
            // set "synth" properties
            UIManager.getDefaults().put("CheckBox[Disabled].textForeground", checkboxColor);
            // for some reason the RadioButton[Disabled] does not work
            // see https://bugs.openjdk.org/browse/JDK-8298149
            //UIManager.getDefaults().put("RadioButton[Disabled].textForeground", radioButtonColor);
            UIManager.getDefaults().put("RadioButton[Enabled].textForeground", radioButtonColor);
        } else {
            // reset "synth" properties
            UIManager.getDefaults().put("CheckBox[Disabled].textForeground", null);
            UIManager.getDefaults().put("RadioButton[Enabled].textForeground", null);
            // set "basic" properties
            UIManager.getDefaults().put("CheckBox.disabledText", checkboxColor);
            UIManager.getDefaults().put("RadioButton.disabledText", radioButtonColor);
        }

        checkBox = new JCheckBox("\u2588".repeat(5));
        radioButton = new JRadioButton("\u2588".repeat(5));
        checkBox.setFont(checkBox.getFont().deriveFont(50.0f));
        radioButton.setFont(radioButton.getFont().deriveFont(50.0f));
        checkBox.setEnabled(false);
        radioButton.setEnabled(false);

        frame = new JFrame(laf);
        frame.getContentPane().add(radioButton, BorderLayout.SOUTH);
        frame.getContentPane().add(checkBox, BorderLayout.NORTH);
        frame.pack();
        frame.setAlwaysOnTop(true);
        frame.setLocationRelativeTo(null);
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setVisible(true);
    }


    public static void main(String[] args) throws Exception {
        robot = new Robot();
        robot.setAutoDelay(100);

        for (UIManager.LookAndFeelInfo laf :
                 UIManager.getInstalledLookAndFeels()) {
            if (laf.getClassName().contains("Motif")) {
                System.out.println("Skipping Motif L&F as it is deprecated");
                continue;
            } else if (laf.getClassName().contains("GTK")) {
                System.out.println("GTK doesn't support color setting explicitly" +
                        " specified by user using UIManager property.");
                continue;
            }
            System.out.println("Testing L&F: " + laf.getClassName());
            SwingUtilities.invokeAndWait(() -> setLookAndFeel(laf));
            try {
                SwingUtilities.invokeAndWait(() -> createUI(laf.getName()));
                robot.waitForIdle();
                robot.delay(1000);

                if (!checkComponent(checkBox, checkboxColor)) {
                    throw new RuntimeException("Correct color not set for Checkbox");
                }

                if (!checkComponent(radioButton, radioButtonColor)) {
                    throw new RuntimeException("Correct color not set for RadioButton");
                }
            } finally {
                if (frame != null) {
                    SwingUtilities.invokeAndWait(() -> frame.dispose());
                }
            }
        }
    }
}