Bug 100174 [preferences] New link on Java Editor pref page does not honor dialog font
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/preferences/JavaEditorAppearanceConfigurationBlock.java
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.graphics.FontMetrics;
import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.graphics.RGB;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Link;
import org.eclipse.swt.widgets.List;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.preference.ColorSelector;
import org.eclipse.jface.preference.PreferenceConverter;
import org.eclipse.jface.preference.PreferencePage;
import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.ui.dialogs.PreferencesUtil;
import org.eclipse.jdt.ui.PreferenceConstants;
import org.eclipse.jdt.internal.ui.util.PixelConverter;
/**
 * Configures Java Editor hover preferences.
 * 
 * @since 2.1
 */
class JavaEditorAppearanceConfigurationBlock extends AbstractConfigurationBlock {