Bug 157445 [JFace] PopupDialog does not allow direct selection of text in editor
bundles/org.eclipse.jface/src/org/eclipse/jface/dialogs/PopupDialog.java
*            the control whose color is to be changed
	 * @param exclusions
	 *            a list of controls who are to be excluded from getting their
	 *            color assigned
	 */
	private void applyForegroundColor(Color color, Control control,
			List exclusions) {
		if (!exclusions.contains(control)) {
			control.setForeground(color);
		}
		if (control instanceof Composite) {
			Control[] children = ((Composite) control).getChildren();
			for (int i = 0; i < children.length; i++) {
				applyForegroundColor(color, children[i], exclusions);
			}
		}
	}
	/**
	 * Set the specified background color for the specified control and all of
	 * its children.
	 * 
	 * @param color
	 *            the color to use as the background color
	 * @param control
	 *            the control whose color is to be changed
	 * @param exclusions
	 *            a list of controls who are to be excluded from getting their
	 *            color assigned
	 */
	private void applyBackgroundColor(Color color, Control control,