X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Futil%2FPlatform.java;h=786f5bfe90a4f1715b8ef1f9d7c8425f147bb411;hb=c1589fc13c75e8c71455ff07a0041d37426a60f7;hp=333aff4be282225b0a8092b8d847cc72c5aa7d24;hpb=ad15cff29620f960119f80176f1fd443da9f6763;p=jalview.git

diff --git a/src/jalview/util/Platform.java b/src/jalview/util/Platform.java
index 333aff4..786f5bf 100644
--- a/src/jalview/util/Platform.java
+++ b/src/jalview/util/Platform.java
@@ -20,6 +20,9 @@
  */
 package jalview.util;
 
+import java.awt.Toolkit;
+import java.awt.event.MouseEvent;
+
 /**
  * System platform information used by Applet and Application
  * 
@@ -32,13 +35,13 @@ public class Platform
    * 
    * @return true if we do things in a special way.
    */
-  public boolean isAMac()
+  public static boolean isAMac()
   {
     return java.lang.System.getProperty("os.name").indexOf("Mac") > -1;
 
   }
 
-  public boolean isHeadless()
+  public static boolean isHeadless()
   {
     String hdls = java.lang.System.getProperty("java.awt.headless");
 
@@ -74,4 +77,11 @@ public class Platform
     f.append(file.substring(lastp));
     return f.toString();
   }
+
+  public static boolean isControlDown(MouseEvent e)
+  {
+    return (jalview.util.Platform.isAMac() ? (Toolkit.getDefaultToolkit()
+            .getMenuShortcutKeyMask() & e.getModifiers()) != 0 : e
+            .isControlDown());
+  }
 }