tests/org.eclipse.swt.tests.gtk/ManualTests/org/eclipse/swt/tests/gtk/snippets/Bug302961_TableItemTrackerUpdating.java

/*******************************************************************************
 * Copyright (c) 2018 Red Hat 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:
 *     Red Hat - initial API and implementation
 *******************************************************************************/
package org.eclipse.swt.tests.gtk.snippets;


import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.TableItem;
import org.eclipse.swt.widgets.Tracker;

public class Bug302961_TableItemTrackerUpdating {

	public static void main (String [] args) {
	    Display display = new Display ();
	    final Shell shell = new Shell (display);
	    final Label label = new Label(shell, SWT.NONE);
	    label.setBounds(10,10,100,30);
	    label.setText("widget.label");
	    Table table = new Table(shell, SWT.NONE);
	    table.setBounds(10,50,100,50);
	    final TableItem item = new TableItem(table, SWT.NONE);
	    shell.open ();
	    shell.addListener (SWT.MouseDown, new Listener () {
	        @Override
			public void handleEvent (Event e) {
	            Tracker tracker = new Tracker (shell, SWT.NONE);
	            tracker.setRectangles (new Rectangle [] {
	             new Rectangle (e.x, e.y, 100, 100),
	            });
	            tracker.addListener(SWT.Move, new Listener() {
	                @Override
					public void handleEvent(Event event) {
	                    System.out.println(event.x);
	                    String string = String.valueOf(event.x);
	                    label.setText(string);
	                    item.setText(string);
	                }
	            });
	            tracker.open ();
	        }
	    });
	    while (!shell.isDisposed()) {
	        if (!display.readAndDispatch ()) display.sleep ();
	    }
	    display.dispose ();
	}
	
}