| /* |
| * Copyright (c) 2020, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * @test |
| * @requires (os.family == "linux") |
| * @key headful |
| * @bug 8218479 |
| * @summary Tests JTextPane background color |
| * @run main TestJTextPaneBackgroundColor |
| */ |
| |
| import javax.swing.JFrame; |
| import javax.swing.JPanel; |
| import javax.swing.JTextPane; |
| import javax.swing.SwingUtilities; |
| import javax.swing.UIManager; |
| import javax.swing.UnsupportedLookAndFeelException; |
| import java.awt.BorderLayout; |
| import java.awt.Color; |
| import java.awt.Component; |
| import java.awt.Point; |
| import java.awt.Rectangle; |
| import java.awt.Robot; |
| |
| public class TestJTextPaneBackgroundColor { |
| private static JFrame frame; |
| private static JTextPane textPane; |
| private static Point point; |
| private static Rectangle rect; |
| private static Robot robot; |
| private static final String GTK_LAF_CLASS = "GTKLookAndFeel"; |
| |
| private static void blockTillDisplayed(Component comp) { |
| Point p = null; |
| while (p == null) { |
| try { |
| p = comp.getLocationOnScreen(); |
| } catch (IllegalStateException e) { |
| try { |
| Thread.sleep(500); |
| } catch (InterruptedException ie) { |
| } |
| } |
| } |
| } |
| |
| public static void main(String[] args) throws Exception { |
| if (!System.getProperty("os.name").startsWith("Linux")) { |
| System.out.println("This test is meant for Linux platform only"); |
| return; |
| } |
| |
| for (UIManager.LookAndFeelInfo lookAndFeelInfo : |
| UIManager.getInstalledLookAndFeels()) { |
| if (lookAndFeelInfo.getClassName().contains(GTK_LAF_CLASS)) { |
| try { |
| UIManager.setLookAndFeel(lookAndFeelInfo.getClassName()); |
| } catch (final UnsupportedLookAndFeelException ignored) { |
| System.out.println("GTK L&F could not be set, so this " + |
| "test can not be run in this scenario "); |
| return; |
| } |
| } |
| } |
| |
| robot = new Robot(); |
| robot.setAutoDelay(100); |
| |
| try { |
| SwingUtilities.invokeAndWait(new Runnable() { |
| public void run() { |
| JPanel panel = new JPanel(); |
| textPane = new JTextPane(); |
| textPane.setText(" "); |
| panel.add(textPane, BorderLayout.CENTER); |
| frame = new JFrame("TestJTextPaneBackgroundColor"); |
| frame.add(panel); |
| frame.setSize(200, 200); |
| frame.setAlwaysOnTop(true); |
| frame.setLocationRelativeTo(null); |
| frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); |
| frame.setVisible(true); |
| } |
| }); |
| |
| robot.waitForIdle(); |
| robot.delay(500); |
| |
| blockTillDisplayed(textPane); |
| SwingUtilities.invokeAndWait(() -> { |
| point = textPane.getLocationOnScreen(); |
| rect = textPane.getBounds(); |
| }); |
| robot.waitForIdle(); |
| robot.delay(500); |
| |
| Color textpaneBackgroundColor = robot |
| .getPixelColor(point.x+rect.width/2, point.y+rect.height/2); |
| robot.waitForIdle(); |
| robot.delay(500); |
| |
| Color panelColor = robot |
| .getPixelColor(point.x-rect.width/2, point.y+rect.height/2); |
| robot.waitForIdle(); |
| robot.delay(500); |
| |
| System.out.println(textpaneBackgroundColor); |
| System.out.println(panelColor); |
| if (textpaneBackgroundColor.equals(panelColor)) { |
| throw new RuntimeException("The expected background color for " + |
| "TextPane was not found"); |
| } |
| } finally { |
| if (frame != null) { |
| SwingUtilities.invokeAndWait(frame::dispose); |
| } |
| } |
| } |
| } |