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/*
* Copyright (c) 2003, 2023, 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.
*/
import java.awt.Color;
import java.awt.EventQueue;
import java.awt.FlowLayout;
import java.awt.Frame;
import java.awt.IllegalComponentStateException;
import java.awt.Point;
import java.awt.Robot;
import java.awt.TextArea;
import java.awt.TextField;
import java.awt.event.TextEvent;
import java.awt.event.TextListener;
/*
* @test
* @bug 4503516
* @key headful
* @summary TextEvent behaves differently across platforms, especially Solaris.
* Following testcase is used to test whether an initial TextEvent
* is triggered when a TextArea or TextField is initially added to UI.
*/
public class InitialTextEventTest implements TextListener {
private static Frame frame;
private static TextField textField;
private static TextArea textArea;
public static void main(String[] args) throws Exception {
try {
Robot robot = new Robot();
InitialTextEventTest textEventObj = new InitialTextEventTest();
EventQueue.invokeAndWait(textEventObj::createUI);
robot.waitForIdle();
robot.delay(1000);
EventQueue.invokeAndWait(textEventObj::testInitialTextEvent);
} finally {
EventQueue.invokeAndWait(() -> {
if (frame != null) {
frame.dispose();
}
});
}
}
private void createUI() {
frame = new Frame();
frame.setTitle("Text Event Test");
frame.setLayout(new FlowLayout());
textField = new TextField("TextField");
textArea = new TextArea("TextArea", 5, 10);
textField.addTextListener(this);
textArea.addTextListener(this);
frame.add(textField);
frame.add(textArea);
frame.setBackground(Color.red);
frame.setSize(500,200);
frame.setVisible(true);
}
private void testInitialTextEvent() {
Point pt;
boolean drawn = false;
while (!drawn) {
try {
pt = textArea.getLocationOnScreen();
System.out.println("On-Screen Location on Text Area: " + pt);
pt = textField.getLocationOnScreen();
System.out.println("On-Screen Location on Text Field: " + pt);
} catch (IllegalComponentStateException icse) {
try {
Thread.sleep(50);
} catch (InterruptedException ignored) {}
continue;
}
drawn = true;
}
}
@Override
public void textValueChanged(TextEvent e) {
System.out.println("text event paramString: " + e.paramString());
System.out.println("text event changed on: " + e.getSource().getClass().getName());
throw new RuntimeException("InitialTextEventTest FAILED");
}
}
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