X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Futil%2FPlatform.java;h=9df20601a6ad138edc39cb22530976bdccaf89c3;hb=ce50fa39f4fb3617b344d77f230caa6486acd0a4;hp=b812febff4f4244fbef966fd3f5debd45fdd51d3;hpb=c54d46db524f1acf7cf4659a9603bbe50518440f;p=jalview.git diff --git a/src/jalview/util/Platform.java b/src/jalview/util/Platform.java index b812feb..9df2060 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 * @@ -74,4 +77,31 @@ public class Platform f.append(file.substring(lastp)); return f.toString(); } + + /** + * Answers true if the mouse event has Meta-down (Command key on Mac) or + * Ctrl-down (on other o/s). Note this answers _false_ if the Ctrl key is + * pressed instead of the Meta/Cmd key on Mac. To test for Ctrl-click on Mac, + * you can use e.isPopupTrigger(). + * + * @param e + * @return + */ + public static boolean isControlDown(MouseEvent e) + { + if (isAMac()) + { + /* + * answer false for right mouse button + */ + if (e.isPopupTrigger()) + { + return false; + } + return (Toolkit.getDefaultToolkit().getMenuShortcutKeyMask() & e + .getModifiers()) != 0; + // could we use e.isMetaDown() here? + } + return e.isControlDown(); + } }