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/*
* 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
@bug 8255880
@key headful
@summary Swing components, whose internal state changed while a frame was
iconified, are not redrawn after the frame becomes deiconified.
*/
import java.awt.AWTException;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.Graphics;
import java.awt.Robot;
import java.awt.Toolkit;
import java.lang.reflect.InvocationTargetException;
import javax.swing.JButton;
import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
import javax.swing.UnsupportedLookAndFeelException;
import javax.swing.plaf.metal.MetalLookAndFeel;
public class RepaintOnFrameIconifiedStateChangeTest {
private static final String[][] strsForComps = new String[][] {
{"JLabel AAA", "JLabel BBB"},
{"JButton AAA", "JButton BBB"}};
private static final int lblIndex = 0;
private static final int btnIndex = 1;
private static volatile JFrame frame;
private static volatile JLabel label;
private static volatile JButton button;
private static volatile JComponent[] comps = new JComponent[2];
private static volatile boolean[] compRedrawn = new boolean[2];
private static volatile boolean compRedrawnFlagCanBeSet = false;
public static void main(String[] args) {
Toolkit toolkit = Toolkit.getDefaultToolkit();
if (!toolkit.isFrameStateSupported(JFrame.ICONIFIED) ||
!toolkit.isFrameStateSupported(JFrame.NORMAL)) {
System.out.println("ICONIFIED or NORMAL frame states are not" +
"supported by a toolkit.");
return;
}
try {
SwingUtilities.invokeAndWait(new Runnable() {
@Override
public void run() {
System.out.println("Creating GUI...");
createGUI();
}
});
Robot robot = new Robot();
robot.delay(2000);
SwingUtilities.invokeAndWait(new Runnable() {
@Override
public void run() {
System.out.println("Minimizing the frame...");
frame.setExtendedState(JFrame.ICONIFIED);
}
});
robot.delay(2000);
SwingUtilities.invokeAndWait(new Runnable() {
@Override
public void run() {
System.out.println("Changing states of components...");
label.setText(strsForComps[lblIndex][1]);
button.setText(strsForComps[btnIndex][1]);
}
});
robot.delay(2000);
SwingUtilities.invokeAndWait(new Runnable() {
@Override
public void run() {
System.out.println("Restoring the frame...");
for (int i = 0; i < compRedrawn.length; i++) {
compRedrawn[i] = false;
}
compRedrawnFlagCanBeSet = true;
frame.setExtendedState(JFrame.NORMAL);
frame.toFront();
}
});
robot.delay(2000);
int notRedrawnCompsCount = 0;
for (int i = 0; i < compRedrawn.length; i++) {
if (!compRedrawn[i]) {
notRedrawnCompsCount++;
System.out.println(String.format(
"Not redrawn component #%d: '%s'", i, comps[i]));
}
}
if (notRedrawnCompsCount > 0) {
throw new RuntimeException(String.format(
"'%d' components were not redrawn.",
notRedrawnCompsCount));
}
System.out.println("Test passed.");
} catch (InterruptedException | InvocationTargetException |
AWTException e) {
throw new RuntimeException(e);
} finally {
try {
SwingUtilities.invokeAndWait(new Runnable() {
@Override
public void run() {
if (frame != null) {
frame.dispose();
frame = null;
}
}
});
} catch (InterruptedException | InvocationTargetException e) {
throw new RuntimeException(e);
}
}
}
private static void createGUI() {
if (!(UIManager.getLookAndFeel() instanceof MetalLookAndFeel)) {
try {
UIManager.setLookAndFeel(new MetalLookAndFeel());
} catch (UnsupportedLookAndFeelException ulafe) {
throw new RuntimeException(ulafe);
}
}
frame = new JFrame("RepaintOnFrameIconifiedStateChangeTest");
frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
Container content = frame.getContentPane();
content.setLayout(new FlowLayout());
comps[lblIndex] = label = new JLabel(strsForComps[lblIndex][0]) {
@Override
public void paint(Graphics g) {
super.paint(g);
if (compRedrawnFlagCanBeSet) {
compRedrawn[lblIndex] = true;
}
}
};
label.setPreferredSize(new Dimension(150, 50));
content.add(label);
comps[btnIndex] = button = new JButton(strsForComps[btnIndex][0]) {
@Override
public void paint(Graphics g) {
super.paint(g);
if (compRedrawnFlagCanBeSet) {
compRedrawn[btnIndex] = true;
}
}
};
button.setPreferredSize(new Dimension(200, 50));
button.setFocusable(false);
content.add(button);
frame.pack();
frame.setVisible(true);
}
}
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