/*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
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* 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
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*/
/*
* @test
* @key headful
* @bug 4799136
* @summary Tests that type-ahead for dialog works and doesn't block program
* @author Dmitry.Cherepanov@SUN.COM area=awt.focus
* @run main EnqueueWithDialogButtonTest
*/
import java.awt.*;
import java.lang.reflect.InvocationTargetException;
import java.awt.event.*;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
/*
* Tests that type-ahead works correctly. That means
* that the key events are not delivered until a focus
* transfer is completed.
* There is another pretty similar test EnqueueWithDialogTest
* written in time before 6347235 resolution. We'll keep it
* to track quite unrelated suspicious waitForIdle behavior.
*/
public class EnqueueWithDialogButtonTest
{
static Frame f;
static Button b;
static Dialog d;
static Button ok;
static CountDownLatch pressLatch = new CountDownLatch(1);
static CountDownLatch robotLatch = new CountDownLatch(1);
static volatile boolean gotFocus = false;
static Robot robot;
public static void main(String args[]) throws Exception {
EnqueueWithDialogButtonTest test = new EnqueueWithDialogButtonTest();
test.init();
test.start();
}
public void init()
{
Toolkit.getDefaultToolkit().addAWTEventListener(new AWTEventListener() {
public void eventDispatched(AWTEvent e) {
if (e instanceof InputEvent){
System.err.println(e.toString()+","+((InputEvent)e).getWhen());
}else{
System.err.println(e.toString());
}
}
}, AWTEvent.KEY_EVENT_MASK | AWTEvent.FOCUS_EVENT_MASK);
f = new Frame("frame");
f.setPreferredSize(new Dimension(100,100));
f.setLocation(100,50);
b = new Button("press");
d = new Dialog(f, "dialog", true);
d.setPreferredSize(new Dimension(70,70));
ok = new Button("ok");
d.add(ok);
d.pack();
ok.addKeyListener(new KeyAdapter() {
public void keyPressed(KeyEvent e) {
System.err.println("OK pressed: should arrive after got focus");
d.dispose();
f.dispose();
// Typed-ahead key events should only be accepted if
// they arrive after FOCUS_GAINED
if (gotFocus) {
pressLatch.countDown();
}
}
});
ok.addFocusListener(new FocusAdapter() {
public void focusGained(FocusEvent e) {
gotFocus = true;
System.err.println("OK got focus");
}
});
f.add(b);
f.pack();
b.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
System.err.println(e.toString()+","+e.getWhen());
System.err.println("B pressed");
robotLatch.countDown();
EventQueue.invokeLater(new Runnable() {
public void run() {
waitTillShown(d);
EnqueueWithDialogButtonTest.this.d.toFront();
EnqueueWithDialogButtonTest.this.moveMouseOver(d);
}
});
// This will cause enqueue the following key events
d.setVisible(true);
}
});
}//End init()
public void start () throws Exception
{
robot = new Robot();
robot.setAutoDelay(50);
f.setVisible(true);
waitTillShown(b);
System.err.println("b is shown");
f.toFront();
moveMouseOver(f);
robot.waitForIdle();
robot.delay(100);
makeFocused(b);
robot.waitForIdle();
robot.delay(100);
System.err.println("b is focused");
robot.keyPress(KeyEvent.VK_SPACE);
robot.keyRelease(KeyEvent.VK_SPACE);
boolean ok = robotLatch.await(1, TimeUnit.SECONDS);
if(!ok) {
throw new RuntimeException("Was B button pressed?");
}
robot.keyPress(KeyEvent.VK_SPACE);
robot.keyRelease(KeyEvent.VK_SPACE);
robot.delay(500);
ok = pressLatch.await(3, TimeUnit.SECONDS);
if(!ok) {
throw new RuntimeException("Type-ahead doesn't work");
}
}// start()
private void moveMouseOver(Container c) {
Point p = c.getLocationOnScreen();
Dimension d = c.getSize();
robot.mouseMove(p.x + (int)(d.getWidth()/2), p.y + (int)(d.getHeight()/2));
}
private void waitTillShown(Component c) {
while (true) {
try {
Thread.sleep(100);
c.getLocationOnScreen();
break;
} catch (InterruptedException ie) {
ie.printStackTrace();
break;
} catch (Exception e) {
}
}
}
private void makeFocused(Component comp) {
if (comp.isFocusOwner()) {
return;
}
final Semaphore sema = new Semaphore();
final FocusAdapter fa = new FocusAdapter() {
public void focusGained(FocusEvent fe) {
sema.raise();
}
};
comp.addFocusListener(fa);
comp.requestFocusInWindow();
if (comp.isFocusOwner()) {
return;
}
try {
sema.doWait(3000);
} catch (InterruptedException ie) {
ie.printStackTrace();
}
comp.removeFocusListener(fa);
if (!comp.isFocusOwner()) {
throw new RuntimeException("Can't make " + comp + " focused, current owner is " + KeyboardFocusManager.getCurrentKeyboardFocusManager().getFocusOwner());
}
}
static class Semaphore {
boolean state = false;
int waiting = 0;
public Semaphore() {
}
public synchronized void doWait() throws InterruptedException {
if (state) {
return;
}
waiting++;
wait();
waiting--;
}
public synchronized void doWait(int timeout) throws InterruptedException {
if (state) {
return;
}
waiting++;
wait(timeout);
waiting--;
}
public synchronized void raise() {
state = true;
if (waiting > 0) {
notifyAll();
}
}
public synchronized boolean getState() {
return state;
}
}
}// class TestDialogTypeAhead
/****************************************************
Standard Test Machinery
DO NOT modify anything below -- it's a standard
chunk of code whose purpose is to make user
interaction uniform, and thereby make it simpler
to read and understand someone else's test.
****************************************************/
/**
This is part of the standard test machinery.
It creates a dialog (with the instructions), and is the interface
for sending text messages to the user.
To print the instructions, send an array of strings to Sysout.createDialog
WithInstructions method. Put one line of instructions per array entry.
To display a message for the tester to see, simply call Sysout.println
with the string to be displayed.
This mimics System.out.println but works within the test harness as well
as standalone.
*/
class Sysout
{
private static TestDialog dialog;
public static void createDialogWithInstructions( String[] instructions )
{
dialog = new TestDialog( new Frame(), "Instructions" );
dialog.printInstructions( instructions );
dialog.setVisible(true);
println( "Any messages for the tester will display here." );
}
public static void createDialog( )
{
dialog = new TestDialog( new Frame(), "Instructions" );
String[] defInstr = { "Instructions will appear here. ", "" } ;
dialog.printInstructions( defInstr );
dialog.setVisible(true);
println( "Any messages for the tester will display here." );
}
public static void printInstructions( String[] instructions )
{
dialog.printInstructions( instructions );
}
public static void println( String messageIn )
{
dialog.displayMessage( messageIn );
}
}// Sysout class
/**
This is part of the standard test machinery. It provides a place for the
test instructions to be displayed, and a place for interactive messages
to the user to be displayed.
To have the test instructions displayed, see Sysout.
To have a message to the user be displayed, see Sysout.
Do not call anything in this dialog directly.
*/
class TestDialog extends Dialog
{
TextArea instructionsText;
TextArea messageText;
int maxStringLength = 80;
//DO NOT call this directly, go through Sysout
public TestDialog( Frame frame, String name )
{
super( frame, name );
int scrollBoth = TextArea.SCROLLBARS_BOTH;
instructionsText = new TextArea( "", 15, maxStringLength, scrollBoth );
add( "North", instructionsText );
messageText = new TextArea( "", 5, maxStringLength, scrollBoth );
add("Center", messageText);
pack();
show();
}// TestDialog()
//DO NOT call this directly, go through Sysout
public void printInstructions( String[] instructions )
{
//Clear out any current instructions
instructionsText.setText( "" );
//Go down array of instruction strings
String printStr, remainingStr;
for( int i=0; i < instructions.length; i++ )
{
//chop up each into pieces maxSringLength long
remainingStr = instructions[ i ];
while( remainingStr.length() > 0 )
{
//if longer than max then chop off first max chars to print
if( remainingStr.length() >= maxStringLength )
{
//Try to chop on a word boundary
int posOfSpace = remainingStr.
lastIndexOf( ' ', maxStringLength - 1 );
if( posOfSpace <= 0 ) posOfSpace = maxStringLength - 1;
printStr = remainingStr.substring( 0, posOfSpace + 1 );
remainingStr = remainingStr.substring( posOfSpace + 1 );
}
//else just print
else
{
printStr = remainingStr;
remainingStr = "";
}
instructionsText.append( printStr + "\n" );
}// while
}// for
}//printInstructions()
//DO NOT call this directly, go through Sysout
public void displayMessage( String messageIn )
{
messageText.append( messageIn + "\n" );
System.out.println(messageIn);
}
}// TestDialog class