Bug 330699 [Compatibility] Toolbar drop downs do not appear
Toolbar drop downs in the workbench window like search, new class, run/debug all don't show up.
bundles/org.eclipse.e4.ui.workbench.renderers.swt/src/org/eclipse/e4/ui/workbench/renderers/swt/ToolItemRenderer.java
});
			} else if (me instanceof MToolItem) {
				final MMenu mmenu = ((MToolItem) me).getMenu();
				if (mmenu != null) {
					final ToolItem ti = (ToolItem) me.getWidget();
					ti.addSelectionListener(new SelectionAdapter() {
						public void widgetSelected(SelectionEvent e) {
							if (e.detail == SWT.ARROW) {
								Menu menu = (Menu) engine.createGui(mmenu, ti
										.getParent().getShell(), null);
								Rectangle itemBounds = ti.getBounds();
								Point displayAt = ti.getParent().toDisplay(
										itemBounds.x,
										itemBounds.y + itemBounds.height);
								menu.setLocation(displayAt);
								menu.setVisible(true);
								Display display = menu.getDisplay();
								while (menu.isVisible()) {
									if (!display.readAndDispatch()) {
										display.sleep();
									}
								}
							}
						}
					});
				}
			}
		}
		
		if (me instanceof MContribution