?? etoolkit.java
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// Copyright (c) 2002 Per M.A. Bothner.// This is free software; for terms and warranty disclaimer see ./COPYING.package gnu.jemacs.buffer;import gnu.lists.LList;import gnu.mapping.WrappedException;import java.awt.Color;public abstract class EToolkit{ public static final String swingToolkit = "gnu.jemacs.swing.SwingToolkit"; public static final String swtToolkit = "gnu.jemacs.swt.SwtToolkit"; public static String defaultToolkit = swingToolkit; static EToolkit instance; static Class toolkitClass; public static EToolkit getInstance () { EToolkit inst = instance; if (inst != null) return inst; String name = System.getProperty("gnu.jemacs.toolkit"); if (name == null) name = defaultToolkit; else if (name.equals("swing")) name = swingToolkit; else if (name.equals("swt")) name = swtToolkit; return getInstance(name); } public static synchronized EToolkit getInstance (String toolkitClassname) { if (instance == null) { try { if (toolkitClass == null) toolkitClass = Class.forName(toolkitClassname); instance = (EToolkit) toolkitClass.newInstance(); } catch (Exception ex) { throw new WrappedException(ex); } } return instance; } public abstract Buffer newBuffer (String name); public abstract EFrame newFrame(Buffer buffer); public abstract EMenu getMenu(LList menubar); /** Get a face with the given name. */ public abstract Object getFace(String name, boolean create); public void setUnderline (Object face, boolean underline) { // Default is to ignore. } public void setBold (Object face, boolean bold) { // Default is to ignore. } public void setForeground (Object face, Color foreground) { // Default is to ignore. } public void setBackground (Object face, Color background) { // Default is to ignore. } public abstract Object getIgnoreAction();}
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