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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.
*/
/*
@test
@bug 4930685
@summary Test effect of GridBagConstraints on padding / layout
@key headful
@run main GridBagLayoutButtonsOverlapTest
*/
import java.awt.Button;
import java.awt.EventQueue;
import java.awt.Font;
import java.awt.Frame;
import java.awt.GridBagLayout;
import java.awt.GridBagConstraints;
public class GridBagLayoutButtonsOverlapTest {
public static GridBagLayout gridbag;
public static GridBagConstraints c;
public static Button b1;
public static Button b2;
public static Button b4;
public static Button b5;
public static Button b6;
public static Button b7;
public static Button b8;
public static Button b9;
public static Button b10;
public static Frame frame;
public static void main(String[] args) throws Exception {
EventQueue.invokeAndWait(() -> {
try {
createUI();
test();
} finally {
if (frame != null) {
frame.dispose();
}
}
});
}
public static void createUI() {
frame = new Frame();
gridbag = new GridBagLayout();
GridBagConstraints c = new GridBagConstraints();
frame.setFont(new Font(Font.DIALOG, Font.PLAIN, 14));
frame.setLayout(gridbag);
c.fill = GridBagConstraints.BOTH;
c.weightx = 1.0;
b1 = makeButton("button1", gridbag, c);
b2 = makeButton("button2", gridbag, c);
c.gridwidth = GridBagConstraints.REMAINDER;
b4 = makeButton("button4", gridbag, c);
c.weightx = 0.0;
b5 = makeButton("button5", gridbag, c);
c.gridwidth = GridBagConstraints.RELATIVE;
b6 = makeButton("button6", gridbag, c);
c.gridwidth = GridBagConstraints.REMAINDER;
b7 = makeButton("button7", gridbag, c);
c.gridwidth = 1;
c.gridheight = 2;
c.weighty = 1.0;
b8 = makeButton("button8", gridbag, c);
c.weighty = 0.0;
c.gridwidth = GridBagConstraints.REMAINDER;
c.gridheight = 1;
b9 = makeButton("button9", gridbag, c);
b10 = makeButton("button10", gridbag, c);
}
public static void test() {
frame.setLocationRelativeTo(null);
frame.setVisible(true);
frame.validate();
int b1Corner = b1.getLocation().y + b1.getHeight();
int b5Corner = b5.getLocation().y;
if (b1Corner > b5Corner) { //they are equals each other in best case
throw new RuntimeException("Buttons are overlapped when container is small enough");
}
System.out.println("Test passed.");
}
protected static Button makeButton(String name,
GridBagLayout gridbag,
GridBagConstraints c) {
Button button = new Button(name);
gridbag.setConstraints(button, c);
frame.add(button);
return button;
}
}// class
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