Bug 52611 [QuickDiff] Let QuickDiff hovers adapt to horizontal scrollbar
Test Case: - on a long line: make a change such that you have to scroll horizontally to see the change - use QuickDiff -> Hover shows line from its start and does not match the horizontally scrolled text in the editor
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/java/hover/SourceViewerInformationControl.java
private SourceViewer fViewer;	
	/**
	 * The optional status field.
	 * 
	 * @since 3.0
	 */
	private Label fStatusField; 
	/**
	 * The separator for the optional status field.
	 * 
	 * @since 3.0
	 */
	private Label fSeparator; 
	/**
	 * The font of the optional status text label.
	 * 
	 * @since 3.0
	 */
	private Font fStatusTextFont;
	
	/**
	 * Creates a default information control with the given shell as parent. The given
	 * information presenter is used to process the information to be displayed. The given
	 * styles are applied to the created styled text widget.
	 * 
	 * @param parent the parent shell
	 * @param shellStyle the additional styles for the shell
	 * @param style the additional styles for the styled text widget
	 */