1 /*
   2  * Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package com.sun.javafx.scene.control.infrastructure;
  27 
  28 import com.sun.javafx.util.Utils;
  29 import com.sun.javafx.pgstub.StubToolkit;
  30 import com.sun.javafx.scene.control.behavior.KeyBinding;
  31 import com.sun.javafx.tk.Toolkit;
  32 import javafx.scene.input.KeyCode;
  33 
  34 public enum KeyModifier {
  35     SHIFT,
  36     CTRL,
  37     ALT,
  38     META;
  39     
  40     public static KeyModifier getShortcutKey() {
  41         // The StubToolkit doesn't know what the platform shortcut key is, so 
  42         // we have to tell it here (and lets not be cute about optimising this
  43         // code as we need the platform shortcut key to be known elsewhere in the
  44         // code base for keyboard navigation tests to work accurately).
  45         if (Toolkit.getToolkit() instanceof StubToolkit) {
  46             ((StubToolkit)Toolkit.getToolkit()).setPlatformShortcutKey(Utils.isMac() ? KeyCode.META : KeyCode.CONTROL);
  47         } 
  48         
  49         switch (Toolkit.getToolkit().getPlatformShortcutKey()) {
  50             case SHIFT:
  51                 return SHIFT;
  52 
  53             case CONTROL:
  54                 return CTRL;
  55 
  56             case ALT:
  57                 return ALT;
  58 
  59             case META:
  60                 return META;
  61 
  62             default:
  63                 return null;
  64         }
  65     }
  66 }