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/*
* Copyright (c) 1998, 2017, 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.AWTException;
import java.awt.Component;
import java.awt.Frame;
import java.awt.GridLayout;
import java.awt.Panel;
import java.awt.Point;
import java.awt.Robot;
import java.awt.Scrollbar;
import java.awt.Toolkit;
import java.awt.event.MouseWheelEvent;
import java.awt.event.MouseWheelListener;
/**
* @test
* @key headful
* @bug 4449139
* @summary test MouseWheelEvent generation by Scrollbar component
*/
public final class ScrollbarMouseWheelTest
implements MouseWheelListener {
final static boolean isWindows =
Toolkit.getDefaultToolkit().getClass()
.getName().equals("sun.awt.windows.WToolkit");
final static int REPS = 5;
// There is a bug on Windows: 4616935.
// Wheel events comes to every component in the hierarchy so we should
// check a platform.
// There are two scrollbars within one Panel and both accept 5 clicks, so
// Panel would accept 5*2 clicks on Windows.
final static int PANEL_REPS = isWindows ? REPS * 2: REPS;
Scrollbar sb1;
Scrollbar sb2;
Panel pnl;
Robot robot;
volatile int sb1upevents, sb2upevents, pnlupevents;
volatile int sb1downevents, sb2downevents, pnldownevents;
public static void main(final String[] args) {
new ScrollbarMouseWheelTest().test();
}
public void test() {
// Move mouse to upper-right area
try {
robot = new Robot();
} catch (AWTException e) {
System.out.println("Problem creating Robot. FAIL.");
throw new RuntimeException("Problem creating Robot. FAIL.");
}
robot.setAutoDelay(250);
robot.setAutoWaitForIdle(true);
// Show test Frame
Frame frame = new Frame("ScrollbarMouseWheelTest");
pnl = new Panel();
pnl.setLayout(new GridLayout(1, 2));
pnl.addMouseWheelListener(this);
sb1 = new Scrollbar();
sb1.addMouseWheelListener(this);
pnl.add(sb1);
sb2 = new Scrollbar();
pnl.add(sb2);
frame.add(pnl);
frame.setSize(200, 400);
frame.setLocationRelativeTo(null);
frame.setVisible(true);
frame.toFront();
robot.waitForIdle();
robot.delay(1000);
// up on sb1
testComp(sb1, true);
// down on sb1
testComp(sb1, false);
// up on sb2
testComp(sb2, true);
// down on sb2
testComp(sb2, false);
robot.delay(500);
frame.dispose();
System.out.println("Test done.");
if (sb1upevents == REPS &&
sb2upevents == 0 &&
pnlupevents == PANEL_REPS &&
sb1downevents == REPS &&
sb2downevents == 0 &&
pnldownevents == PANEL_REPS) {
System.out.println("PASSED.");
} else {
System.out.println("Test Failed:" +
"\n\tsb1upevents =" + sb1upevents +
"\n\tsb2upevents = " + sb2upevents +
"\n\tpnlupevents = " + pnlupevents +
"\n\tsb1downevents =" + sb1downevents +
"\n\tsb2downevents = " + sb2downevents +
"\n\tpnldownevents = " + pnldownevents);
throw new RuntimeException("Test FAILED.");
}
}
public void testComp(Component comp, boolean up) {
Point loc = comp.getLocationOnScreen();
robot.mouseMove(loc.x + comp.getWidth() / 2,
loc.y + comp.getHeight() / 2);
for (int loop = 0; loop < REPS; loop++) {
System.out.println("Robot.mouseWheel() on " + comp.getName());
robot.mouseWheel(up ? -1 : 1);
}
}
public void mouseWheelMoved(MouseWheelEvent mwe) {
Component src = mwe.getComponent();
System.out.println("mouseWheelMoved() on " + src.getName());
if (mwe.getWheelRotation() == -1) {
if (src == sb1) {
sb1upevents++;
} else if (src == sb2) {
sb2upevents++;
} else if (src == pnl) {
pnlupevents++;
} else {
System.out.println("weird source component");
}
} else if (mwe.getWheelRotation() == 1) {
if (src == sb1) {
sb1downevents++;
} else if (src == sb2) {
sb2downevents++;
} else if (src == pnl) {
pnldownevents++;
} else {
System.out.println("weird source component");
}
} else {
System.out.println("weird wheel rotation");
}
}
}// class ScrollbarMouseWheelTest
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