add OS X quit handler (fixes #3301)

core/src/processing/core/ThinkDifferent.java

@@ -0,0 +1,118 @@
+/* -*- mode: java; c-basic-offset: 2; indent-tabs-mode: nil -*- */
+
+/*
+  Part of the Processing project - http://processing.org
+
+  Copyright (c) 2012-2014 The Processing Foundation
+  Copyright (c) 2007-2012 Ben Fry and Casey Reas
+
+  This program is free software; you can redistribute it and/or
+  modify it under the terms of the GNU General Public License
+  version 2, as published by the Free Software Foundation.
+
+  This program 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 this program; if not, write to the Free Software Foundation,
+  Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*/
+
+package processing.core;
+
+import com.apple.eawt.AppEvent.QuitEvent;
+import com.apple.eawt.Application;
+import com.apple.eawt.QuitHandler;
+import com.apple.eawt.QuitResponse;
+
+
+/**
+ * Deal with issues related to thinking differently. This handles the basic
+ * Mac OS X menu commands (and apple events) for open, about, prefs, etc.
+ *
+ * This is a stripped-down version of what's in processing.app.platform to fix
+ * <a href="https://github.com/processing/processing/issues/3301">3301</a>.
+ */
+public class ThinkDifferent {
+
+  // pseudo-singleton model; no point in making multiple instances
+  // of the EAWT application or our adapter
+  private static ThinkDifferent adapter;
+  // http://developer.apple.com/documentation/Java/Reference/1.4.2/appledoc/api/com/apple/eawt/Application.html
+  private static Application application;
+
+  // reference to the app where the existing quit, about, prefs code is
+  //private Base base;
+
+
+  static public void init(final PApplet sketch) {
+    if (application == null) {
+      application = Application.getApplication();
+    }
+    if (adapter == null) {
+      adapter = new ThinkDifferent();  //base);
+    }
+
+    // Keeping these around in case we decide we want to add generic handlers
+    // for these other features. Not sure how this affects JavaFX.
+    /*
+    application.setAboutHandler(new AboutHandler() {
+      public void handleAbout(AboutEvent ae) {
+        new About(null);
+      }
+    });
+
+    application.setPreferencesHandler(new PreferencesHandler() {
+      public void handlePreferences(PreferencesEvent arg0) {
+        base.handlePrefs();
+      }
+    });
+
+    application.setOpenFileHandler(new OpenFilesHandler() {
+      public void openFiles(OpenFilesEvent event) {
+        for (File file : event.getFiles()) {
+          base.handleOpen(file.getAbsolutePath());
+        }
+      }
+    });
+
+    application.setPrintFileHandler(new PrintFilesHandler() {
+      public void printFiles(PrintFilesEvent event) {
+        // TODO not yet implemented
+      }
+    });
+    */
+
+    application.setQuitHandler(new QuitHandler() {
+      public void handleQuitRequestWith(QuitEvent event, QuitResponse response) {
+        sketch.exit();
+        /*
+        if (base.handleQuit()) {
+          response.performQuit();
+        } else {
+          response.cancelQuit();
+        }
+        */
+      }
+    });
+
+    /*
+    // Set the menubar to be used when nothing else is open.
+    JMenuBar defaultMenuBar = new JMenuBar();
+    JMenu fileMenu = buildFileMenu(base);
+    defaultMenuBar.add(fileMenu);
+    // This is kind of a gross way to do this, but the alternatives? Hrm.
+    Base.defaultFileMenu = fileMenu;
+
+//    if (PApplet.javaVersion <= 1.6f) {  // doesn't work on Oracle's Java
+    try {
+      application.setDefaultMenuBar(defaultMenuBar);
+
+    } catch (Exception e) {
+      e.printStackTrace();  // oh well, never mind
+    }
+    */
+  }
+}