import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.MenuItem;
import org.eclipse.swt.widgets.Shell;
public class SWTMenuExample {
Display display;
Shell shell;
Menu menuBar, fileMenu, helpMenu;
MenuItem fileMenuHeader, helpMenuHeader;
MenuItem fileExitItem, fileSaveItem, helpGetHelpItem;
Label label;
public SWTMenuExample() {
display = new Display();
shell = new Shell(display);
shell.setText("Menu Example");
shell.setSize(300, 200);
label = new Label(shell, SWT.CENTER);
label.setBounds(shell.getClientArea());
menuBar = new Menu(shell, SWT.BAR);
fileMenuHeader = new MenuItem(menuBar, SWT.CASCADE);
fileMenuHeader.setText("&File");
fileMenu = new Menu(shell, SWT.DROP_DOWN);
fileMenuHeader.setMenu(fileMenu);
fileSaveItem = new MenuItem(fileMenu, SWT.PUSH);
fileSaveItem.setText("&Save");
fileExitItem = new MenuItem(fileMenu, SWT.PUSH);
fileExitItem.setText("E&xit");
helpMenuHeader = new MenuItem(menuBar, SWT.CASCADE);
helpMenuHeader.setText("&Help");
helpMenu = new Menu(shell, SWT.DROP_DOWN);
helpMenuHeader.setMenu(helpMenu);
helpGetHelpItem = new MenuItem(helpMenu, SWT.PUSH);
helpGetHelpItem.setText("&Get Help");
fileExitItem.addSelectionListener(new fileExitItemListener());
fileSaveItem.addSelectionListener(new fileSaveItemListener());
helpGetHelpItem.addSelectionListener(new helpGetHelpItemListener());
shell.setMenuBar(menuBar);
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
display.dispose();
}
class fileExitItemListener implements SelectionListener {
public void widgetSelected(SelectionEvent event) {
shell.close();
display.dispose();
}
public void widgetDefaultSelected(SelectionEvent event) {
shell.close();
display.dispose();
}
}
class fileSaveItemListener implements SelectionListener {
public void widgetSelected(SelectionEvent event) {
label.setText("Saved");
}
public void widgetDefaultSelected(SelectionEvent event) {
label.setText("Saved");
}
}
class helpGetHelpItemListener implements SelectionListener {
public void widgetSelected(SelectionEvent event) {
label.setText("No worries!");
}
public void widgetDefaultSelected(SelectionEvent event) {
label.setText("No worries!");
}
}
public static void main(String[] args) {
SWTMenuExample menuExample = new SWTMenuExample();
}
}