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/*
* Copyright (c) 2011, 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
* @key headful
* @bug 6989617
* @summary Enable JComponent to control repaintings of its children
* @author Alexander Potochkin
* @run main bug6989617
*/
import javax.swing.*;
import java.awt.*;
public class bug6989617 {
private static MyPanel panel;
private static JButton button;
public static void main(String... args) throws Exception {
Robot robot = new Robot();
SwingUtilities.invokeAndWait(new Runnable() {
public void run() {
JFrame frame = new JFrame();
frame. setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
panel = new MyPanel();
button = new JButton("Hello");
panel.add(button);
frame.add(panel);
frame.setSize(200, 300);
frame.setVisible(true);
}
});
// Testing the panel as a painting origin,
// the panel.paintImmediately() must be triggered
// when button.repaint() is called
robot.waitForIdle();
SwingUtilities.invokeAndWait(new Runnable() {
public void run() {
panel.resetPaintRectangle();
button.repaint();
}
});
robot.waitForIdle();
SwingUtilities.invokeAndWait(new Runnable() {
public void run() {
Rectangle pr = panel.getPaintRectangle();
if (!pr.getSize().equals(button.getSize())) {
throw new RuntimeException("wrong size of the dirty area");
}
if (!pr.getLocation().equals(button.getLocation())) {
throw new RuntimeException("wrong location of the dirty area");
}
}
});
// Testing the panel as NOT a painting origin
// the panel.paintImmediately() must NOT be triggered
// when button.repaint() is called
robot.waitForIdle();
SwingUtilities.invokeAndWait(new Runnable() {
public void run() {
panel.resetPaintRectangle();
panel.setPaintingOrigin(false);
if (panel.getPaintRectangle() != null) {
throw new RuntimeException("paint rectangle is not null");
}
button.repaint();
}
});
robot.waitForIdle();
SwingUtilities.invokeAndWait(new Runnable() {
public void run() {
if(panel.getPaintRectangle() != null) {
throw new RuntimeException("paint rectangle is not null");
}
System.out.println("Test passed...");
}
});
}
static class MyPanel extends JPanel {
private boolean isPaintingOrigin = true;
private Rectangle paintRectangle;
{
setLayout(new GridBagLayout());
}
public boolean isPaintingOrigin() {
return isPaintingOrigin;
}
public void setPaintingOrigin(boolean paintingOrigin) {
isPaintingOrigin = paintingOrigin;
}
public void paintImmediately(int x, int y, int w, int h) {
super.paintImmediately(x, y, w, h);
paintRectangle = new Rectangle(x, y, w, h);
}
public Rectangle getPaintRectangle() {
return paintRectangle == null? null: new Rectangle(paintRectangle);
}
public void resetPaintRectangle() {
this.paintRectangle = null;
}
}
}
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