Java tutorial
/******************************************************************************* * Copyright (c) 2000, 2016 IBM Corporation and others. * * This program and the accompanying materials * are made available under the terms of the Eclipse Public License 2.0 * which accompanies this distribution, and is available at * https://www.eclipse.org/legal/epl-2.0/ * * SPDX-License-Identifier: EPL-2.0 * * Contributors: * IBM Corporation - initial API and implementation * Lars Vogel <Lars.Vogel@vogella.com> - Bug 502845 *******************************************************************************/ package org.eclipse.swt.snippets; /* * Control example snippet: allow a multi-line text to process the default button * * For a list of all SWT example snippets see * http://www.eclipse.org/swt/snippets/ */ import static org.eclipse.swt.events.SelectionListener.*; import org.eclipse.swt.*; import org.eclipse.swt.layout.*; import org.eclipse.swt.widgets.*; public class Snippet247 { public static void main(String[] args) { Display display = new Display(); Shell shell = new Shell(display); shell.setText("Snippet 247"); shell.setLayout(new RowLayout()); Text text = new Text(shell, SWT.MULTI | SWT.BORDER); String modifier = SWT.MOD1 == SWT.CTRL ? "Ctrl" : "Command"; text.setText("Hit " + modifier + "+Return\nto see\nthe default button\nrun"); text.addTraverseListener(e -> { switch (e.detail) { case SWT.TRAVERSE_RETURN: if ((e.stateMask & SWT.MOD1) != 0) e.doit = true; } }); Button button = new Button(shell, SWT.PUSH); button.pack(); button.setText("OK"); button.addSelectionListener(widgetSelectedAdapter(e -> System.out.println("OK selected"))); shell.setDefaultButton(button); shell.pack(); shell.open(); while (!shell.isDisposed()) { if (!display.readAndDispatch()) display.sleep(); } display.dispose(); } }