ControlListenerAdd.java Source code

Introduction

Here is the source code for ControlListenerAdd.java

Source

import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ControlEvent;
import org.eclipse.swt.events.ControlListener;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.RowLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;

public class ControlListenerAdd {
    static int count = 0;

    public static void main(String[] args) {
        Display display = new Display();
        final Shell shell = new Shell(display);

        shell.setLayout(new RowLayout());

        final Composite composite = new Composite(shell, SWT.BORDER);
        composite.setLayout(new RowLayout());
        composite.setBackground(display.getSystemColor(SWT.COLOR_YELLOW));
        composite.addControlListener(new ControlListener() {
            public void controlMoved(ControlEvent e) {
            }

            public void controlResized(ControlEvent e) {
                System.out.println("Composite resize.");
            }
        });

        Button buttonAdd = new Button(shell, SWT.PUSH);
        buttonAdd.setText("Add new button");
        buttonAdd.addSelectionListener(new SelectionAdapter() {
            public void widgetSelected(SelectionEvent e) {
                Button button = new Button(composite, SWT.PUSH);
                button.setText("Button #" + (count++));
                composite.layout(true);
                composite.pack();
            }
        });

        shell.setSize(450, 100);
        shell.open();

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