import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.CoolBar;
import org.eclipse.swt.widgets.CoolItem;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.ToolBar;
import org.eclipse.swt.widgets.ToolItem;
public class CoolItemSelectionListener {
public static void main(String[] args) {
Display display = new Display();
Shell shell = new Shell(display);
CoolBar coolBar = new CoolBar(shell, SWT.BORDER);
coolBar.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
final CoolItem item = new CoolItem(coolBar, SWT.DROP_DOWN);
item.setControl(createToolBar(coolBar));
item.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent event) {
System.out.println("selected");
}
});
Control control = item.getControl();
Point pt = control.computeSize(SWT.DEFAULT, SWT.DEFAULT);
pt = item.computeSize(pt.x, pt.y);
item.setSize(pt);
coolBar.pack();
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
display.dispose();
}
private static Control createToolBar(Composite composite) {
ToolBar toolBar = new ToolBar(composite, SWT.NONE);
ToolItem item = new ToolItem(toolBar, SWT.PUSH);
item.setText("circle");
item = new ToolItem(toolBar, SWT.PUSH);
item.setText("square");
item = new ToolItem(toolBar, SWT.PUSH);
item.setText("star");
item = new ToolItem(toolBar, SWT.PUSH);
item.setText("triangle");
return toolBar;
}
}