Bug 38499 Source Hover oszillates
I20030604 MacOS 10.2.6 - in Java Editor preferences configure source hover to activate without pressing a modifier key - activate source hover and stop moving the mouse Observe: after two seconds the hover disappears and reappears a second later; this oszillates indefinitetly
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/java/hover/SourceViewerInformationControl.java
fShell.setLayout(new BorderFillLayout(border));
		fShell.setBackground(display.getSystemColor(SWT.COLOR_BLACK));
			
		fText.addKeyListener(new KeyListener() {
				
			public void keyPressed(KeyEvent e)  {
				if (e.character == 0x1B) 
					fShell.dispose();
			}
				
			public void keyReleased(KeyEvent e) {}
		});
	}
	/**
	 * 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 style the additional styles for the styled text widget
	 * @param presenter the presenter to be used
	 */	
	public SourceViewerInformationControl(Shell parent,int style) {
		this(parent, SWT.NO_TRIM, style);
	}	
	
	/**
	 * Creates a default information control with the given shell as parent.
	 * No information presenter is used to process the information