org.eclipse.swt.snippets.Snippet286.java Source code

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Here is the source code for org.eclipse.swt.snippets.Snippet286.java

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/*******************************************************************************
 * Copyright (c) 2007, 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
 *******************************************************************************/
package org.eclipse.swt.snippets;

/*
 * use a menu item's armListener to update a status line.
 *
 * For a list of all SWT example snippets see
 * http://www.eclipse.org/swt/snippets/
 */
import org.eclipse.swt.*;
import org.eclipse.swt.layout.*;
import org.eclipse.swt.widgets.*;

public class Snippet286 {

    public static void main(java.lang.String[] args) {
        Display display = new Display();
        Shell shell = new Shell(display);
        shell.setText("Snippet 286");
        shell.setLayout(new GridLayout());

        Canvas blankCanvas = new Canvas(shell, SWT.BORDER);
        blankCanvas.setLayoutData(new GridData(200, 200));
        final Label statusLine = new Label(shell, SWT.NONE);
        statusLine.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));

        Menu bar = new Menu(shell, SWT.BAR);
        shell.setMenuBar(bar);

        MenuItem menuItem = new MenuItem(bar, SWT.CASCADE);
        menuItem.setText("Test");
        Menu menu = new Menu(bar);
        menuItem.setMenu(menu);

        for (int i = 0; i < 5; i++) {
            MenuItem item = new MenuItem(menu, SWT.PUSH);
            item.setText("Item " + i);
            item.addArmListener(e -> statusLine.setText(((MenuItem) e.getSource()).getText()));
        }

        shell.pack();
        shell.open();

        while (!shell.isDisposed()) {
            if (!display.readAndDispatch())
                display.sleep();
        }
        display.dispose();
    }
}