/*******************************************************************************
* Copyright (c) 2000, 2004 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.swt.snippets;
/*
* UI Automation (for testing tools) snippet: post mouse wheel events to a styled text
*
* For a list of all SWT example snippets see
* http://www.eclipse.org/swt/snippets/
*
* @since 3.0
*/
import org.eclipse.swt.*;
import org.eclipse.swt.widgets.*;
import org.eclipse.swt.custom.*;
import org.eclipse.swt.layout.*;
public class Snippet268 {
public static void main(String[] args) {
final Display display = new Display();
Shell shell = new Shell(display);
shell.setLayout(new FillLayout());
StyledText styledText = new StyledText(shell, SWT.V_SCROLL);
String multiLineString = "";
for (int i = 0; i < 200; i++) {
multiLineString = multiLineString.concat("This is line number " + i + " in the multi-line string.\n");
}
styledText.setText(multiLineString);
shell.setSize(styledText.computeSize(SWT.DEFAULT, 400));
shell.open();
styledText.addListener(SWT.MouseWheel, new Listener() {
@Override
public void handleEvent(Event e){
System.out.println("Mouse Wheel event " + e);
}
});
new Thread(){
Event event;
@Override
public void run() {
for (int i = 0; i < 50; i++) {
event = new Event();
event.type = SWT.MouseWheel;
event.detail = SWT.SCROLL_LINE;
event.count = -2;
if (!display.isDisposed()) display.post(event);
try {
Thread.sleep(100);
} catch (InterruptedException e) {}
}
}
}.start();
while (!shell.isDisposed()) {
if (!display.readAndDispatch()) display.sleep();
}
display.dispose();
}
}