created mirror

2026-09-14 20:19:29 -04:00
commit 6764738d92
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--- a/Java/ZZExec.java
+++ b/Java/ZZExec.java
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+/*   
+ZZExec.java
+ *    
+ *    Copyright (c) 1999, Ted Nelson and Tuomas Lukka
+ *
+ *    You may use and distribute under the terms of either the GNU Lesser
+ *    General Public License, either version 2 of the license or,
+ *    at your choice, any later version. Alternatively, you may use and
+ *    distribute under the terms of the XPL.
+ *
+ *    See the LICENSE.lgpl and LICENSE.xpl files for the specific terms of 
+ *    the licenses.
+ *
+ *    This software 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 README
+ *    file for more details.
+ *
+ */
+/*
+ * Written by Tuomas Lukka
+ */
+package org.gzigzag;
+import java.awt.*;
+
+/** A generic script engine interface.
+ * ZZExec specifies a way of interfacing various script engines to the ZZ space.
+ * At the moment, only UI callback functions are allowed - later, it will be
+ * expanded to a more complete class.
+ */
+
+public interface ZZExec {
+String rcsid = "$Id: ZZExec.java,v 1.12 2000/09/19 10:31:58 ajk Exp $";
+    /** Execute some code as a callback from the user interface.
+     * This is a special execution context which is triggered through user
+     * action on an user interface. Note that some of the params
+     * are redundant and only provided for ease. All the other parameters
+     * can be deduced from code, view, ctrlview and clicked.
+     * @param code		Cell to start execution from
+     * @param view		View where command executed
+     * @param cview		Control view of view where command executed
+     * @param key	The key the user pressed, as string, if any
+     * @param pt 	The point the user clicked on, if any
+     * @param xi    The extra object - to get what was clicked, if any
+     */
+    void execCallback(ZZCell code, 
+		    ZZCell target,
+		    ZZView view, 
+		    ZZView cview,
+		    String key,
+		    Point pt, 
+		    ZZScene xi
+		     );
+    // /** Execute some code with parameters.
+    //  * XXX Needs rethinking of the arguments.
+    //  */
+    // public void exec(ZZCell code, ZZCell[] params);
+}