Hi Hai,
Thanks for reporting this. We already know about the bug and are
working on a fix.
"Hai Yun Tao" <[EMAIL PROTECTED]> wrote on 04/08/2007 10:52:50 AM:
> I am creating a simple svg application using JSVGCanvas. I am trying to
add
> mouse event listeners to the svg elements (rect, group etc.). I follow
the
> standard routine, using EventTarget.addEventListener(). My listeners are
> able to receive mouse events correctly, but the MouseEvent.getButton()
does
> not return the correct value (which should be 0 for left, 1 for middle,
2
> for right i think). To be more specific, no matter which button i
pressed, i
> always get 1. I try to look in depth and i think there might be some
mouse
> or key mask problems.
>
> The following is the program that can reproduce the problem. You can do
a
> quick test by copy and paste, and compile it with batik 1.7 and its
required
> jar files. And try it again with the batik version 1.6. From what i got
> batik 1.6 will generate the right mouse button, but in 1.7,
> MouseEvent.getButton() always return 1.
>
> //BEGINNING OF CODE
>
> /*
> * Copyright (c) 2005 - 2007 PeterHi
> * All rights reserved.
> *
> * Copyright (c) 2005 - 2007 by Hai Yun Tao
> * All rights reserved.
> *
> */
>
> package com.peterhi.err;
>
> import java.awt.BorderLayout;
> import java.awt.Dimension;
> import org.apache.batik.dom.svg12.SVG12DOMImplementation;
> import org.apache.batik.swing.JSVGCanvas;
> import org.apache.batik.swing.gvt.GVTTreeRendererEvent;
> import org.apache.batik.swing.gvt.GVTTreeRendererListener;
> import org.w3c.dom.Element;
> import org.w3c.dom.events.Event;
> import org.w3c.dom.events.EventListener;
> import org.w3c.dom.events.EventTarget;
> import org.w3c.dom.events.MouseEvent;
> import org.w3c.dom.svg.SVGDocument;
>
> public class Main extends javax.swing.JFrame
> implements GVTTreeRendererListener,
> EventListener {
>
> // the canvas
> private JSVGCanvas canvas;
> // the rect you can click, used to test mouse events
> private Element rect;
>
> public Main() {
> initComponents();
> initComponentsEx();
> }
>
> private void initComponentsEx() {
> // Set up canvas
> canvas = new JSVGCanvas();
> canvas.setPreferredSize(new Dimension(640, 480));
> canvas.addGVTTreeRendererListener(this);
> add(canvas, BorderLayout.CENTER);
>
> try {
> // Create a document
> String ns = SVG12DOMImplementation.SVG_NAMESPACE_URI;
> SVG12DOMImplementation impl = (SVG12DOMImplementation)
> SVG12DOMImplementation.getDOMImplementation();
> SVGDocument doc = (SVGDocument )
> impl.createDocument(ns, "svg", null);
> // Create a rectangle to reproduce the error
> rect = doc.createElementNS(ns, "rect");
> rect.setAttributeNS(null, "x", "0");
> rect.setAttributeNS(null, "y", "0");
> rect.setAttributeNS(null, "width", "1000");
> rect.setAttributeNS(null, "height", "1000");
> rect.setAttributeNS(null, "style", "fill:red");
> // put it into document
> doc.getRootElement().appendChild(rect);
>
> // set document to the canvas
> canvas.setDocumentState(JSVGCanvas.ALWAYS_DYNAMIC);
> canvas.setDocument(doc); // I think gvt renderer
> // will start working
> } catch (Exception ex) {
> ex.printStackTrace();
> }
>
> pack();
> }
>
> // <editor-fold defaultstate="collapsed" desc=" Generated Code ">
> private void initComponents() {
>
> setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
> }// </editor-fold>
>
> public static void main(String[] args) {
> java.awt.EventQueue.invokeLater(new Runnable() {
> public void run() {
> new Main().setVisible(true);
> }
> });
> }
>
> // Variables declaration - do not modify
> // End of variables declaration
>
> public void gvtRenderingPrepare(GVTTreeRendererEvent e) { }
>
> public void gvtRenderingStarted(GVTTreeRendererEvent e) { }
>
> public void gvtRenderingCompleted(GVTTreeRendererEvent e) {
> System.out.println("render completed, adding event listeners");
> // I appended my listener here, which works perfectly
> // back in batik 1.6
> EventTarget et = (EventTarget )rect;
> // subscribe listener here, take mouse down as
> // an example
> et.addEventListener("mousedown", this, false);
> }
>
> public void gvtRenderingCancelled(GVTTreeRendererEvent e) { }
>
> public void gvtRenderingFailed(GVTTreeRendererEvent e) { }
>
> public void handleEvent(Event evt) {
> // Prove that we are able to received mouse down event
> System.out.println("mouse down trigerred!!!");
>
> // Here is where the problem comes
> // Check the value of MouseEvent.getButton(), which,
> // no matter what button is pressed, will always show 1
>
> MouseEvent me = (MouseEvent )evt;
> short button = me.getButton();
> System.out.println("button pressed: " + button);
> }
>
> }
>
> // END OF CODE
>
> FYI:
> Batik Version: Batik 1.7 Beta 1 (This problem does not occur in Batik
1.6)
> Program IDE: NetBeans IDE 5.5
> OS: Windows Server 2003
> JDK version: Java SE Version 1.5.0 (build 1.5.0_11-b03)
> Mouse: standard mouse with left, right, and a scrollable middle button
>
> Please help me solve the problem as soon as possible. Thanks in advance.
>
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