bundles/org.simantics.scenegraph/src/org/simantics/scenegraph/g2d/G2DFocusManager.java

   1 /*******************************************************************************\r
   2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
   3  * in Industry THTH ry.\r
   4  * All rights reserved. This program and the accompanying materials\r
   5  * are made available under the terms of the Eclipse Public License v1.0\r
   6  * which accompanies this distribution, and is available at\r
   7  * http://www.eclipse.org/legal/epl-v10.html\r
   8  *\r
   9  * Contributors:\r
  10  *     VTT Technical Research Centre of Finland - initial API and implementation\r
  11  *******************************************************************************/\r
  12 package org.simantics.scenegraph.g2d;\r
  13 \r
  14 import java.awt.Component;\r
  15 \r
  16 public class G2DFocusManager {\r
  17         public static G2DFocusManager INSTANCE = new G2DFocusManager();\r
  18         \r
  19         protected Component focus = null;\r
  20         \r
  21         private G2DFocusManager() {\r
  22         }\r
  23         \r
  24         public void markFocus(Component component) {\r
  25                 focus = component;\r
  26         }\r
  27         \r
  28         public void clearFocus() {\r
  29                 focus = null;\r
  30         }\r
  31         \r
  32         public Component getFocusOwner() {\r
  33                 return focus;\r
  34         }\r
  35 }\r