Bug 41958 No reaction to F2 after Java Tooltip Hover showed up
200308250800 + export 20030826_1219 Smoke Test: - open TestCase.java - hover over method call "run" in method run(TestResult) - Hover appears and tells to "Press F2 for focus." - Pressing F2 *after* the hover appeared does *not* focus the tooltip description
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/JavaEditor.java
return fHoverRegion;
				}
				/*
				 * @see org.eclipse.jface.text.information.IInformationProvider#getInformation(org.eclipse.jface.text.ITextViewer, org.eclipse.jface.text.IRegion)
				 */
				public String getInformation(ITextViewer textViewer, IRegion subject) {
					return fHoverInfo;
				}
				/*
				 * @see org.eclipse.jface.text.information.IInformationProviderExtension2#getInformationPresenterControlCreator()
				 * @since 3.0
				 */
				public IInformationControlCreator getInformationPresenterControlCreator() {
					return fControlCreator;
				}
			}
			ISourceViewer sourceViewer= getSourceViewer();
			if (sourceViewer == null) {	
				fTextOperationAction.run();
				return;
			}
				
			if (sourceViewer instanceof ITextViewerExtension4)  {
				ITextViewerExtension4 extension4= (ITextViewerExtension4) sourceViewer;
				if (extension4.moveFocusToWidgetToken())
					return;
			}
			
			if (! (sourceViewer instanceof ITextViewerExtension2)) {
				fTextOperationAction.run();