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
/*
		 * @see org.eclipse.swt.events.FocusListener#focusLost(org.eclipse.swt.events.FocusEvent)
		 */
		public void focusLost(FocusEvent event) {
			deactivate();
		}
		/*
		 * @see org.eclipse.jface.text.IDocumentListener#documentAboutToBeChanged(org.eclipse.jface.text.DocumentEvent)
		 */
		public void documentAboutToBeChanged(DocumentEvent event) {
			if (fActive && fActiveRegion != null) {
				fRememberedPosition= new Position(fActiveRegion.getOffset(), fActiveRegion.getLength());
				try {
					event.getDocument().addPosition(fRememberedPosition);
				} catch (BadLocationException x) {
					fRememberedPosition= null;
		}
			}
		}
		/*
		 * @see org.eclipse.jface.text.IDocumentListener#documentChanged(org.eclipse.jface.text.DocumentEvent)
		 */
		public void documentChanged(DocumentEvent event) {
			if (fRememberedPosition != null && !fRememberedPosition.isDeleted()) {
				event.getDocument().removePosition(fRememberedPosition);
				fActiveRegion= new Region(fRememberedPosition.getOffset(), fRememberedPosition.getLength());
			}
			fRememberedPosition= null;
			ISourceViewer viewer= getSourceViewer();
			if (viewer != null) {