Dear all, I have Octave-3.2.4_i686-pc-mingw32_gcc-4.4.0_setup.exe and java package java-1.2.7 installed on a windows xp machine. I copied the following code from Martin Helm, posted nov 07, 2010 (I also attached the compiled class): --- begin test_java.m ---
pkg load java
javaaddpath(".");
surf(rand(10));
sleep(0.1);
jd = java_new("javax.swing.JDialog");
sl = java_new("OctSlider", "Slider1", "callback", 0, 359, 0);
jd.add(sl);
jd.setModal(1);
jd.setSize(250, 50);
a = jd.setVisible(1);
disp(a)
pkg unload java
--- end test_java.m ---
--- begin callback.m ---
function callback(n)
[a, b] = view();
view(n, b)
drawnow
endfunction
--- end callback.m ---
--- begin OctSlider.java ---
import javax.swing.JSlider;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import org.octave.Octave;
public class OctSlider extends JSlider implements ChangeListener {
private String callBack = "";
public OctSlider(String name, String callBack, int min, int max, int
value){
super(min, max, value);
this.callBack = callBack;
setName(name);
addChangeListener(this);
}
@Override
public void stateChanged(ChangeEvent e) {
if (e.getSource() == this && getValueIsAdjusting()) {
int val = (int)getValue();
Octave.call(callBack, new Object[]{val}, new Object[] {});
}
}
}
--- end OctSlider.java ---
When I run the code I get the Jslider dialog. However when I move the slide I
get following errors (see attached "error list.txt") in the octave window.
According to Martin Helm the code runs fine on linux and he suspects it has to
do with the java package build for windows.
Can anybody help me out with this?
Thanks in advance,
Henk van Weers
octave-3.2.4.exe:4> java_test
Exception occurred during event dispatching:
java.lang.UnsatisfiedLinkError:
org.octave.Octave.call(Ljava/lang/String;[Ljava/lang/Object;[Ljava/lang/Object;)Z
at org.octave.Octave.call(Native Method)
at OctSlider.stateChanged(OctSlider.java:25)
at javax.swing.JSlider.fireStateChanged(Unknown Source)
at javax.swing.JSlider$ModelListener.stateChanged(Unknown Source)
at javax.swing.DefaultBoundedRangeModel.fireStateChanged(Unknown Source)
at javax.swing.DefaultBoundedRangeModel.setRangeProperties(Unknown
Source)
at javax.swing.DefaultBoundedRangeModel.setValueIsAdjusting(Unknown
Source)
at javax.swing.JSlider.setValueIsAdjusting(Unknown Source)
at
javax.swing.plaf.basic.BasicSliderUI$TrackListener.mouseReleased(Unknown Source)
at java.awt.Component.processMouseEvent(Unknown Source)
at javax.swing.JComponent.processMouseEvent(Unknown Source)
at java.awt.Component.processEvent(Unknown Source)
at java.awt.Container.processEvent(Unknown Source)
at java.awt.Component.dispatchEventImpl(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Window.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
at java.awt.EventQueue.access$000(Unknown Source)
at java.awt.EventQueue$1.run(Unknown Source)
at java.awt.EventQueue$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.AccessControlContext$1.doIntersectionPrivilege(Unknown
Source)
at java.security.AccessControlContext$1.doIntersectionPrivilege(Unknown
Source)
at java.awt.EventQueue$2.run(Unknown Source)
at java.awt.EventQueue$2.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.AccessControlContext$1.doIntersectionPrivilege(Unknown
Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.Dialog$1.run(Unknown Source)
at java.awt.event.InvocationEvent.dispatch(Unknown Source)
at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
at java.awt.EventQueue.access$000(Unknown Source)
at java.awt.EventQueue$1.run(Unknown Source)
at java.awt.EventQueue$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.AccessControlContext$1.doIntersectionPrivilege(Unknown
Source)
at java.security.AccessControlContext$1.doIntersectionPrivilege(Unknown
Source)
at java.awt.EventQueue$2.run(Unknown Source)
at java.awt.EventQueue$2.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.AccessControlContext$1.doIntersectionPrivilege(Unknown
Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)
OctSlider.class
Description: Binary data
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