Snippet4.java Source code

Introduction

Here is the source code for Snippet4.java

Source

/*
 * Shell example snippet: prevent escape from closing a dialog
 *
 * For a list of all SWT example snippets see
 * http://dev.eclipse.org/viewcvs/index.cgi/%7Echeckout%7E/platform-swt-home/dev.html#snippets
 */
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Shell;

public class Snippet4 {

    public static void main(String[] args) {
        Display display = new Display();
        final Shell shell = new Shell(display);
        Button b = new Button(shell, SWT.PUSH);
        b.setText("Open Dialog ...");
        b.pack();
        b.setLocation(10, 10);
        b.addSelectionListener(new SelectionAdapter() {
            public void widgetSelected(SelectionEvent se) {
                Shell dialog = new Shell(shell, SWT.DIALOG_TRIM);
                dialog.addListener(SWT.Traverse, new Listener() {
                    public void handleEvent(Event e) {
                        if (e.detail == SWT.TRAVERSE_ESCAPE) {
                            e.doit = false;
                        }
                    }
                });
                dialog.open();
            }
        });
        shell.open();
        while (!shell.isDisposed()) {
            if (!display.readAndDispatch())
                display.sleep();
        }
        display.dispose();
    }

}