X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Futil%2FPlatform.java;h=286ded1afd45fcd19f8fc9ec63ea2c4aba2c59d7;hb=26b115b0a77d521da92a06572d9b7819c2d0d49a;hp=d12560e14732afdea02039527900c49a41afe856;hpb=153dd62dc91da13ae732600e6ea55ddbe15eab39;p=jalview.git
diff --git a/src/jalview/util/Platform.java b/src/jalview/util/Platform.java
index d12560e..286ded1 100644
--- a/src/jalview/util/Platform.java
+++ b/src/jalview/util/Platform.java
@@ -1,54 +1,224 @@
-/*
- * Jalview - A Sequence Alignment Editor and Viewer (Version 2.6)
- * Copyright (C) 2010 J Procter, AM Waterhouse, G Barton, M Clamp, S Searle
- *
- * 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 .
- */
-package jalview.util;
-
-/**
- * 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 boolean isAMac()
- {
- return java.lang.System.getProperty("os.name").indexOf("Mac") > -1;
-
- }
-
- public 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.
- }
-}
+/*
+ * 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 .
+ * The Jalview Authors are detailed in the 'AUTHORS' file.
+ */
+package jalview.util;
+
+import java.awt.Toolkit;
+import java.awt.event.MouseEvent;
+
+import javax.swing.SwingUtilities;
+
+/**
+ * System platform information used by Applet and Application
+ *
+ * @author Jim Procter
+ */
+public class Platform
+{
+
+ private static boolean isJS = /** @j2sNative true || */false;
+
+ private static Boolean isNoJSMac = null, isNoJSWin = null,
+ isMac = null, isWin = null;
+
+ private static Boolean isHeadless = null;
+
+ /**
+ * added to group mouse events into Windows and nonWindows (mac, unix, linux)
+ * @return
+ */
+ public static boolean isMac()
+ {
+ return (isMac == null ? (isMac = (System.getProperty("os.name").indexOf("Mac") >= 0)) : isMac);
+ }
+
+ /**
+ * added to group mouse events into Windows and nonWindows (mac, unix, linux)
+ * @return
+ */
+ public static boolean isWin()
+ {
+ return (isWin == null ? (isWin = (System.getProperty("os.name").indexOf("Win") >= 0)) : isWin);
+ }
+
+ /**
+ *
+ * @return true if HTML5 JavaScript
+ */
+ public static boolean isJS()
+ {
+ return isJS;
+ }
+
+ /**
+ * sorry folks - Macs really are different
+ *
+ * BH: disabled for SwingJS -- will need to check key-press issues
+ *
+ * @return true if we do things in a special way.
+ */
+ public static boolean isAMacAndNotJS()
+ {
+ return (isNoJSMac == null ? (isNoJSMac = !isJS && isMac()) : isNoJSMac);
+ }
+
+/**
+ * Check if we are on a Microsoft plaform...
+ *
+ * @return true if we have to cope with another platform variation
+ */
+ public static boolean isWindowsAndNotJS()
+ {
+ return (isNoJSWin == null ? (isNoJSWin = !isJS && isWin()) : isNoJSWin);
+ }
+
+ /**
+ *
+ * @return true if we are running in non-interactive no UI mode
+ */
+ public static boolean isHeadless()
+ {
+ if (isHeadless == null)
+ {
+ isHeadless = "true".equals(System.getProperty("java.awt.headless"));
+ }
+ return isHeadless;
+ }
+
+ /**
+ *
+ * @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-pressed on Mac,
+ * you can use e.isPopupTrigger().
+ *
+ * @param e
+ * @return
+ */
+ public static boolean isControlDown(MouseEvent e)
+ {
+ return isControlDown(e, isMac());
+ }
+
+ /**
+ * Overloaded version of method (to allow unit testing)
+ *
+ * @param e
+ * @param aMac
+ * @return
+ */
+ protected static boolean isControlDown(MouseEvent e, boolean aMac)
+ {
+ if (!aMac) {
+ return e.isControlDown();
+ }
+ // answer false for right mouse button
+ // shortcut key will be META for a Mac
+ return !e.isPopupTrigger()
+ && (Toolkit.getDefaultToolkit().getMenuShortcutKeyMask() & e.getModifiers()) != 0;
+ // could we use e.isMetaDown() here?
+ }
+
+ /**
+ * Windows (not Mac, Linux, or Unix) and right button
+ * to test for the right-mouse pressed event in Windows
+ * that would have opened a menu or a Mac.
+ *
+ * @param e
+ * @return
+ */
+ public static boolean isWinRightButton(MouseEvent e)
+ {
+ // was !isAMac(), but that is true also for Linux and Unix and JS,
+
+ return isWin() && SwingUtilities.isRightMouseButton(e);
+ }
+
+
+ /**
+ * Windows (not Mac, Linux, or Unix) and middle button -- for mouse wheeling
+ * without pressing the button.
+ *
+ * @param e
+ * @return
+ */
+ public static boolean isWinMiddleButton(MouseEvent e)
+ {
+ // was !isAMac(), but that is true also for Linux and Unix and JS
+ return isWin() && SwingUtilities.isMiddleMouseButton(e);
+ }
+
+ public static boolean allowMnemonics()
+ {
+ return !isMac();
+ }
+
+ public final static int TIME_RESET = 0;
+ public final static int TIME_MARK = 1;
+
+ public static long time, mark;
+
+ public static void timeCheck(String msg, int mode) {
+ switch (mode) {
+ case TIME_RESET:
+ time = mark = System.currentTimeMillis();
+ System.err.println("Platform: timer reset\t\t\t" + msg);
+ break;
+ case TIME_MARK:
+ long t = System.currentTimeMillis();
+ if (time == 0)
+ time = mark = t;
+ System.err.println("Platform: timer mark\t" + ((t - time)/1000f) + "\t" + ((t - mark)/1000f) + "\t" + msg);
+ mark = t;
+ break;
+ }
+ }
+
+
+}