ShowHistoryAction.java 文件源码

@Override
public void runWithEvent(Event event) {
    if (event.widget instanceof ToolItem) {
        final ToolItem toolItem = (ToolItem) event.widget;
        final Control control = toolItem.getParent();
        final Menu menu = getMenuCreator().getMenu(control);

        final Rectangle bounds = toolItem.getBounds();
        final Point topLeft = new Point(bounds.x, bounds.y + bounds.height);
        menu.setLocation(control.toDisplay(topLeft));
        menu.setVisible(true);
    }
}