-/*\r
- * Jalview - A Sequence Alignment Editor and Viewer (Version 2.7)\r
- * Copyright (C) 2011 J Procter, AM Waterhouse, G Barton, M Clamp, S Searle\r
- * \r
- * This file is part of Jalview.\r
- * \r
- * Jalview is free software: you can redistribute it and/or\r
- * modify it under the terms of the GNU General Public License \r
- * as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.\r
- * \r
- * Jalview is distributed in the hope that it will be useful, but \r
- * WITHOUT ANY WARRANTY; without even the implied warranty \r
- * of MERCHANTABILITY or FITNESS FOR A PARTICULAR \r
- * PURPOSE. See the GNU General Public License for more details.\r
- * \r
- * You should have received a copy of the GNU General Public License along with Jalview. If not, see <http://www.gnu.org/licenses/>.\r
- */\r
-package jalview.util;\r
-\r
-/**\r
- * System platform information used by Applet and Application\r
- * \r
- * @author Jim Procter\r
- */\r
-public class Platform\r
-{\r
- /**\r
- * sorry folks - Macs really are different\r
- * \r
- * @return true if we do things in a special way.\r
- */\r
- public boolean isAMac()\r
- {\r
- return java.lang.System.getProperty("os.name").indexOf("Mac") > -1;\r
-\r
- }\r
-\r
- public boolean isHeadless()\r
- {\r
- String hdls = java.lang.System.getProperty("java.awt.headless");\r
-\r
- return hdls != null && hdls.equals("true");\r
- }\r
-\r
- /**\r
- * \r
- * @return nominal maximum command line length for this platform\r
- */\r
- public static int getMaxCommandLineLength()\r
- {\r
- // TODO: determine nominal limits for most platforms.\r
- return 2046; // this is the max length for a windows NT system.\r
- }\r
-\r
- /**\r
- * escape a string according to the local platform's escape character\r
- * @param file\r
- * @return escaped file\r
- */\r
- public static String escapeString(String file)\r
- {\r
- StringBuffer f=new StringBuffer();\r
- int p=0,lastp=0;\r
- while ((p=file.indexOf('\\',lastp))>-1)\r
- {\r
- f.append(file.subSequence(lastp,p));\r
- f.append("\\\\");\r
- lastp=p+1;\r
- }\r
- f.append(file.substring(lastp));\r
- return f.toString();\r
- }\r
-}\r
+/*
+ * 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.
+ *
+ * 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/>.
+ * 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
+ *
+ * @author Jim Procter
+ */
+public class Platform
+{
+ /**
+ * sorry folks - Macs really are different
+ *
+ * @return true if we do things in a special way.
+ */
+ public static boolean isAMac()
+ {
+ return java.lang.System.getProperty("os.name").indexOf("Mac") > -1;
+
+ }
+
+ public static boolean isHeadless()
+ {
+ String hdls = java.lang.System.getProperty("java.awt.headless");
+
+ return hdls != null && hdls.equals("true");
+ }
+
+ /**
+ *
+ * @return nominal maximum command line length for this platform
+ */
+ public static int getMaxCommandLineLength()
+ {
+ // TODO: determine nominal limits for most platforms.
+ return 2046; // this is the max length for a windows NT system.
+ }
+
+ /**
+ * escape a string according to the local platform's escape character
+ *
+ * @param file
+ * @return escaped file
+ */
+ public static String escapeString(String file)
+ {
+ StringBuffer f = new StringBuffer();
+ int p = 0, lastp = 0;
+ while ((p = file.indexOf('\\', lastp)) > -1)
+ {
+ f.append(file.subSequence(lastp, p));
+ f.append("\\\\");
+ lastp = p + 1;
+ }
+ 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();
+ }
+}