org.eclipse.swt.snippets.Snippet43.java Source code

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Here is the source code for org.eclipse.swt.snippets.Snippet43.java

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/*******************************************************************************
 * 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
 *******************************************************************************/
package org.eclipse.swt.snippets;

/*
 * Caret example snippet: create a caret (using an image)
 *
 * For a list of all SWT example snippets see
 * http://www.eclipse.org/swt/snippets/
 */
import org.eclipse.swt.*;
import org.eclipse.swt.graphics.*;
import org.eclipse.swt.widgets.*;

public class Snippet43 {

    public static void main(String[] args) {
        Display display = new Display();
        Shell shell = new Shell(display);
        shell.setText("Snippet 43");
        Caret caret = new Caret(shell, SWT.NONE);
        Color white = display.getSystemColor(SWT.COLOR_WHITE);
        Color black = display.getSystemColor(SWT.COLOR_BLACK);
        final Image image = new Image(display, 20, 20);
        GC gc = new GC(image);
        gc.setBackground(black);
        gc.fillRectangle(0, 0, 20, 20);
        gc.setForeground(white);
        gc.drawLine(0, 0, 19, 19);
        gc.drawLine(19, 0, 0, 19);
        gc.dispose();
        caret.setLocation(10, 10);
        caret.setImage(image);
        caret.setVisible(true);
        shell.addListener(SWT.Paint, event -> {
            GC gc1 = event.gc;
            gc1.drawImage(image, 10, 64);
            gc1.drawString("Test", 12, 12);
        });
        shell.open();

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