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/*
* Copyright (c) 1998, 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.BorderLayout;
import java.awt.Button;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.EventQueue;
import java.awt.Frame;
import java.awt.GridLayout;
import java.awt.Panel;
import java.awt.Point;
import java.awt.Robot;
import java.awt.ScrollPane;
import java.awt.TextField;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.InputEvent;
/*
* @test
* @bug 4124460
* @key headful
* @summary Test for initializing a Motif peer component causes a crash.
*/
public class ScrollPaneTest {
private static volatile Point p1 = null;
private static volatile Point p2 = null;
private static Robot robot = null;
private static Point getClickPoint(Component component) {
Point locationOnScreen = component.getLocationOnScreen();
Dimension size = component.getSize();
locationOnScreen.x += size.width / 2;
locationOnScreen.y += size.height / 2;
return locationOnScreen;
}
public static void main(String[] args) throws Exception {
robot = new Robot();
robot.setAutoWaitForIdle(true);
robot.setAutoDelay(100);
try {
doTest();
} finally {
ScrollPaneTester.disposeAll();
}
}
private static void doTest() throws Exception {
EventQueue.invokeAndWait(ScrollPaneTester::initAndShowGui);
robot.waitForIdle();
robot.delay(1000);
EventQueue.invokeAndWait(() -> {
p1 = getClickPoint(ScrollPaneTester.st1.buttonRight);
p2 = getClickPoint(ScrollPaneTester.st1.buttonSwap);
});
robot.mouseMove(p1.x, p1.y);
robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
robot.mouseMove(p2.x, p2.y);
robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
robot.delay(1000);
EventQueue.invokeAndWait(() -> {
p1 = getClickPoint(ScrollPaneTester.st2.buttonRight);
p2 = getClickPoint(ScrollPaneTester.st2.buttonSwap);
});
robot.mouseMove(p1.x, p1.y);
robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
robot.mouseMove(p2.x, p2.y);
robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
}
}
class ScrollPaneTester implements ActionListener {
static ScrollPaneTester st1, st2;
final Button buttonLeft, buttonRight, buttonQuit, buttonSwap;
protected ScrollPane sp;
protected Frame f;
public static void initAndShowGui() {
ScrollPaneTester.st1 = new ScrollPaneTester(true);
ScrollPaneTester.st2 = new ScrollPaneTester(false);
}
public ScrollPaneTester(boolean large) {
sp = new ScrollPane(ScrollPane.SCROLLBARS_NEVER);
Panel p = new Panel();
if (large) {
p.setLayout(new GridLayout(10, 10));
for (int i = 0; i < 10; i++)
for (int j = 0; j < 10; j++) {
TextField tf = new TextField("I am " + i + j);
tf.setSize(100, 20);
p.add(tf);
}
} else {
TextField tf = new TextField("Smallness:");
tf.setSize(150, 50);
p.add(tf);
}
sp.add(p);
// Button panel
buttonLeft = new Button("Left");
buttonLeft.addActionListener(this);
buttonQuit = new Button("Quit");
buttonQuit.addActionListener(this);
buttonSwap = new Button("Swap");
buttonSwap.addActionListener(this);
buttonRight = new Button("Right");
buttonRight.addActionListener(this);
Panel bp = new Panel();
bp.add(buttonLeft);
bp.add(buttonSwap);
bp.add(buttonQuit);
bp.add(buttonRight);
// Window w/ button panel and scrollpane
f = new Frame("ScrollPane Test " + (large ? "large" : "small"));
f.setLayout(new BorderLayout());
f.add("South", bp);
f.add("Center", sp);
if (large) {
f.setSize(300, 200);
f.setLocation(100, 100);
} else {
f.setSize(200, 100);
f.setLocation(500, 100);
}
f.setVisible(true);
}
public static void disposeAll() {
ScrollPaneTester.st1.f.dispose();
ScrollPaneTester.st2.f.dispose();
}
public static void
swapPanels() {
ScrollPane sss = st1.sp;
st1.f.add("Center", st2.sp);
st1.sp = st2.sp;
st2.f.add("Center", sss);
st2.sp = sss;
}
public void
actionPerformed(ActionEvent ev) {
Object s = ev.getSource();
if (s == buttonLeft) {
scroll(true);
} else if (s == buttonRight) {
scroll(false);
} else if (s == buttonSwap) {
swapPanels();
} else if (s == buttonQuit) {
disposeAll();
}
}
private void
scroll(boolean scroll_left) {
Point p = sp.getScrollPosition();
if (scroll_left)
p.x = Math.max(0, p.x - 20);
else {
int cwidth = sp.getComponent(0).getSize().width;
p.x = Math.min(p.x + 20, cwidth);
}
sp.setScrollPosition(p);
}
}
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