Bug 339702 SWTException thrown after clicking a dropdown toolbar twice and then something else
I20110310-2200 1. Click the dropdown for the 'Run' tool item once. 2. Click it again while the menu is still up (or just double-click that's fine too). 3. Now click somewhere else so that the menu goes away. 4. An SWTException is thrown. org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4277) at org.eclipse.swt.SWT.error(SWT.java:4192) at org.eclipse.swt.SWT.error(SWT.java:4163) at org.eclipse.swt.widgets.Widget.error(Widget.java:468) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:340) at org.eclipse.swt.widgets.Menu.isVisible(Menu.java:1134) at org.eclipse.e4.ui.workbench.renderers.swt.HandledContributionItem.dropdownEvent(HandledContributionItem.java:466) at org.eclipse.e4.ui.workbench.renderers.swt.HandledContributionItem.handleWidgetSelection(HandledContributionItem.java:425) at org.eclipse.e4.ui.workbench.renderers.swt.HandledContributionItem.access$1(HandledContributionItem.java:423) at org.eclipse.e4.ui.workbench.renderers.swt.HandledContributionItem$2.handleEvent(HandledContributionItem.java:388) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1053) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4150) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3739)
bundles/org.eclipse.e4.ui.workbench.renderers.swt/src/org/eclipse/e4/ui/workbench/renderers/swt/HandledContributionItem.java
private EBindingService bindingService;
	private ISWTResourceUtilities resUtils = null;
	@Inject
	void setResourceUtils(IResourceUtilities utils) {
		resUtils = (ISWTResourceUtilities) utils;
	}
	private IMenuListener menuListener = new IMenuListener() {
		public void menuAboutToShow(IMenuManager manager) {
			update(null);
		}
	};
	public void setModel(MHandledItem item) {
		model = item;
		setId(model.getElementId());
		generateCommand();
		updateVisible();
	}
	/**
	 * 
	 */
	private void generateCommand() {
		if (model.getCommand() == null) {
			return;
		}
		if (model.getWbCommand() == null) {
			String cmdId = model.getCommand().getElementId();
			final List<MParameter> modelParms = model.getParameters();
			if (modelParms.isEmpty()) {
				final ParameterizedCommand parmCmd = commandService
						.createCommand(cmdId, null);