Bug 223823 ControlExample: Select Listeners dialog opens behind menu bar
examples/org.eclipse.swt.examples/src/org/eclipse/swt/examples/controlexample/Tab.java
* and fonts to default settings as well.
	 */
	void resetColorsAndFonts () {
		Color oldColor = foregroundColor;
		foregroundColor = null;
		setExampleWidgetForeground ();
		if (oldColor != null) oldColor.dispose();
		oldColor = backgroundColor;
		backgroundColor = null;
		setExampleWidgetBackground ();
		if (oldColor != null) oldColor.dispose();
		Font oldFont = font;
		font = null;
		setExampleWidgetFont ();
		setExampleWidgetSize ();
		if (oldFont != null) oldFont.dispose();
	}
	
	boolean rtlSupport() {
		return RTL_SUPPORT_ENABLE;
	}
	
	/**
	 * Sets the background color of the "Example" widgets' parent.
	 */
	void setExampleGroupBackgroundColor () {
		if (backgroundModeGroup == null) return;
		exampleGroup.setBackground (backgroundModeColorButton.getSelection () ? display.getSystemColor(SWT.COLOR_BLUE) : null);
	}
	/**