Bug 61782 Quickdiff hover hides the added lines
I200405111200 Linux-GTK The hover displayed for added lines when putting the cursor on the quickdiff bar is as wide as the editor, hiding the text. A few weeks ago, it was only one character wide, this was way better.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/CustomSourceInformationControl.java
} catch (BadLocationException e) {
			}
		}
		
		getViewer().getTextWidget().setHorizontalPixel(fHorizontalScrollPixel);
	}
	/**
	 * Returns a run of spaces the length of which is at least
	 * <code>fHorizontalScrollPixel</code>.
	 * 
	 * @return the spaces to add to the document content to ensure that it can
	 *         be scrolled at least <code>fHorizontalScrollPixel</code>
	 */
	private String getSpacesForHorizontalScrolling() {
		char[] spaces= new char[300];
		Arrays.fill(spaces, ' ');
		return new String(spaces);
	}
	
	/**
	 * Sets the horizontal scroll index in pixels.
	 *  
	 * @param scrollIndex the new horizontal scroll index
	 */
	public void setHorizontalScrollPixel(int scrollIndex) {
		scrollIndex= Math.max(0, scrollIndex);
		fHorizontalScrollPixel= scrollIndex;
	}
}