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
}
				}
			};
		}
		return menuItemListener;
	}
	private void handleWidgetDispose(Event event) {
		if (event.widget == widget) {
			widget.removeListener(SWT.Selection, getItemListener());
			widget.removeListener(SWT.Dispose, getItemListener());
			widget.removeListener(SWT.DefaultSelection, getItemListener());
			widget = null;
			model.setWidget(null);
			disposeOldImages();
		}
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.jface.action.ContributionItem#dispose()
	 */
	@Override
	public void dispose() {
		if (widget != null) {
			widget.dispose();
			widget = null;
			model.setWidget(null);
		}
	}
	private void handleWidgetSelection(Event event) {