org.eclipse.swt.snippets.Snippet258.java Source code

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Here is the source code for org.eclipse.swt.snippets.Snippet258.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
 *     Lars Vogel <Lars.Vogel@vogella.com> - Bug 502845
 *******************************************************************************/
package org.eclipse.swt.snippets;

/*
 * Create a search text control
 *
 * For a list of all SWT example snippets see
 * http://www.eclipse.org/swt/snippets/
 *
 * @since 3.3
 */

import static org.eclipse.swt.events.SelectionListener.*;

import org.eclipse.swt.*;
import org.eclipse.swt.graphics.*;
import org.eclipse.swt.layout.*;
import org.eclipse.swt.widgets.*;

public class Snippet258 {
    public static void main(String[] args) {
        Display display = new Display();
        Shell shell = new Shell(display);
        shell.setText("Snippet 258");
        shell.setLayout(new GridLayout(2, false));

        final Text text = new Text(shell, SWT.SEARCH | SWT.ICON_CANCEL);
        Image image = null;
        if ((text.getStyle() & SWT.ICON_CANCEL) == 0) {
            image = display.getSystemImage(SWT.ICON_ERROR);
            ToolBar toolBar = new ToolBar(shell, SWT.FLAT);
            ToolItem item = new ToolItem(toolBar, SWT.PUSH);
            item.setImage(image);
            item.addSelectionListener(widgetSelectedAdapter(e -> {
                text.setText("");
                System.out.println("Search cancelled");
            }));
        }
        text.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
        text.setText("Search text");
        text.addSelectionListener(widgetSelectedAdapter(e -> {
            if (e.detail == SWT.CANCEL) {
                System.out.println("Search cancelled");
            } else {
                System.out.println("Searching for: " + text.getText() + "...");
            }
        }));

        shell.pack();
        shell.open();
        while (!shell.isDisposed()) {
            if (!display.readAndDispatch())
                display.sleep();
        }
        if (image != null)
            image.dispose();
        display.dispose();
    }
}