/*
- * Jalview - A Sequence Alignment Editor and Viewer (Version 2.8.0b1)
- * Copyright (C) 2014 The Jalview Authors
+ * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
+ * Copyright (C) $$Year-Rel$$ The Jalview Authors
*
* This file is part of Jalview.
*
* Jalview is free software: you can redistribute it and/or
* modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ * as published by the Free Software Foundation, either version 3
+ * of the License, or (at your option) any later version.
*
* Jalview is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
- * You should have received a copy of the GNU General Public License along with Jalview. If not, see <http://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU General Public License
+ * along with Jalview. If not, see <http://www.gnu.org/licenses/>.
* The Jalview Authors are detailed in the 'AUTHORS' file.
*/
package jalview.util;
+import java.awt.Toolkit;
+import java.awt.event.MouseEvent;
+
/**
* System platform information used by Applet and Application
*
*
* @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");
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();
+ }
}