Gestures with NEWT

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Gestures with NEWT


I'd like to be able to detect gestures, and it looks like NEWT supports that. I'm trying out NEWT and can't seem to get any gestures to be detected. I have tried gestures with my touchpad and with my touchscreen. Neither have any effect. No pinch-to-zoom, no drag-to-scroll, etc.

Below is my minimalist code. Any ideas?

import java.awt.*;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;

import com.jogamp.newt.awt.NewtCanvasAWT;
import com.jogamp.newt.event.GestureHandler.GestureEvent;
import com.jogamp.newt.event.GestureHandler.GestureListener;
import com.jogamp.newt.opengl.GLWindow;
import com.jogamp.opengl.*;
import com.jogamp.opengl.util.Animator;
public class Test {
        public static void main(String[] args) {
                JFrame frame = new JFrame("Test");
                JPanel panel = new JPanel(new BorderLayout());
                GLWindow window = GLWindow.create(new GLCapabilities(GLProfile.get(GLProfile.GL2)));
                NewtCanvasAWT canvas = new NewtCanvasAWT(window);
                window.addGLEventListener(new GLEventListener() {
                        @Override public void init(GLAutoDrawable drawable) {
                                GL2 gl = drawable.getGL().getGL2();
                        @Override public void display(GLAutoDrawable drawable) {

                                GL2 gl = drawable.getGL().getGL2();
                                gl.glRotatef(0.2f, 0, 0, 1);

                                gl.glClearColor(1.0f, 1.0f, 1.0f, 1.0f);
                                gl.glColor3f(0, 0, 0);
                                        gl.glVertex2f(-0.9f, -0.9f);
                                        gl.glVertex2f( 0.0f,  0.9f);
                                        gl.glVertex2f( 0.9f, -0.9f);
                        @Override public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) { }
                        @Override public void dispose(GLAutoDrawable drawable) { }
                window.addGestureListener(new GestureListener() {
                        @Override public void gestureDetected(GestureEvent gh) {

                                System.out.println("Gesture detected: " + gh.toString());
                Animator animator = new Animator(window);
                animator.setUpdateFPSFrames(1, null);
                panel.add(canvas, BorderLayout.CENTER);
                panel.add(new JLabel("label text here..."), BorderLayout.NORTH);
                frame.setSize(500, 500);
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Re: Gestures with NEWT


Gestures are supported in NEWT only under some platforms. It works under Android as far as I remember and it will work under GNU Linux in JOGL 2.3.3. Sorry. We are open to contributions.
Julien Gouesse | Personal blog | Website