org.eclipse.swt.examples.helloworld.HelloWorld3.java Source code

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Here is the source code for org.eclipse.swt.examples.helloworld.HelloWorld3.java

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/*******************************************************************************
 * Copyright (c) 2000, 2017 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
 *******************************************************************************/
package org.eclipse.swt.examples.helloworld;

import java.util.ResourceBundle;

import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ControlListener;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;

/*
 * This example builds on HelloWorld2 and demonstrates how to resize the
 * Label when the Shell resizes using a Listener mechanism.
 */
public class HelloWorld3 {
    private static ResourceBundle resHello = ResourceBundle.getBundle("examples_helloworld");

    public static void main(String[] args) {
        Display display = new Display();
        Shell shell = new HelloWorld3().open(display);
        while (!shell.isDisposed()) {
            if (!display.readAndDispatch())
                display.sleep();
        }
        display.dispose();
    }

    public Shell open(Display display) {
        final Shell shell = new Shell(display);
        final Label label = new Label(shell, SWT.CENTER);
        label.setText(resHello.getString("Hello_world"));
        label.pack();
        shell.addControlListener(
                ControlListener.controlResizedAdapter(e -> label.setBounds(shell.getClientArea())));
        shell.pack();
        shell.open();
        return shell;
    }
}