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import java.applet.*;
import java.awt.*;
import java.awt.event.*;
import java.awt.Dimension;
import javax.swing.*;
import gl4java.*;
import gl4java.awt.*;
import gl4java.utils.glut.*;
import gl4java.utils.glut.fonts.*;
public class test1 extends JApplet
implements GLEnum, GLUEnum, ActionListener, ItemListener
{
static {
if(GLContext.loadNativeLibraries(null, null, null)==false)
System.out.println("GLCanvas could not load def. native libs.");
}
protected class test1Panel extends GLJPanel
implements ActionListener, ItemListener
{
public test1Panel( LayoutManager layout, boolean isDoubleBuffered)
{
super(layout, isDoubleBuffered);
GLContext.gljNativeDebug = true;
GLContext.gljClassDebug = true;
doubleBuffer = false;
}
public void init() {
System.out.println("<i>");
//glg = new GLGraphics(gl, glu);
reshape(getSize().width, getSize().height);
}
public void display()
{
if( glj.gljMakeCurrent() == false ) {
System.out.println("problem in use() method");
return;
}
System.out.println("<p>");
int i;
gl.glPushMatrix();
gl.glClear(GL_COLOR_BUFFER_BIT);
gl.glColor4f(0f, 0f, 1f, 1f);
int width=getSize().width;
int height=getSize().height;
gl.glBegin(GLEnum.GL_LINES);
gl.glVertex3i( 0, 0, 0);
gl.glVertex3i( 10, 10, 0);
gl.glVertex3i( 0, 10, 0);
gl.glVertex3i( 10, 0, 0);
gl.glEnd();
gl.glPopMatrix();
glj.gljSwap();
glj.gljCheckGL();
glj.gljFree();
}
public void reshape( int width, int height )
{
Rectangle bounds = getBounds();
System.out.println("reshape("+width+", "+height+")");
System.out.println("reshape bounds("+bounds+")");
//gl.glViewport(0,0, width, height);
gl.glViewport(bounds.x, bounds.y,
bounds.width, bounds.height);
gl.glMatrixMode(GL_PROJECTION);
gl.glLoadIdentity();
gl.glOrtho(0, 10, 0, 10, -50.0,50.0);
gl.glMatrixMode(GL_MODELVIEW);
}
public void actionPerformed(ActionEvent e) {
if (e.getActionCommand().equals("east")) {
System.out.println("East pressed");
} else if (e.getActionCommand().equals("west")) {
System.out.println("West pressed");
}
}
public void itemStateChanged(ItemEvent e) {
Object source = e.getItemSelectable();
System.out.println("item changed: "+source);
}
}
test1Panel tst1cvs1;
public void init()
{
JPanel jp1 = new JPanel (new BorderLayout(), false);
setContentPane(jp1);
tst1cvs1 = new test1Panel(new BorderLayout(), false);
jp1.add("Center", tst1cvs1);
String[] data = {"one", "two", "three", "four"};
JList dataList = new JList(data);
jp1.add("North", dataList);
JButton b1, b2;
jp1.add("East", (b1 = new JButton("E")));
b1.setActionCommand("east");
b1.addActionListener(this);
jp1.add("West", (b2 = new JButton("W")));
b2.setActionCommand("west");
b2.addActionListener(this);
JCheckBox c1;
jp1.add("South", (c1 = new JCheckBox("SouthButton", true)));
c1.addItemListener(this);
}
public static void main(java.lang.String[] args) {
try {
Frame mainFrame = new Frame("test1");
test1 applet=new test1();
applet.setSize(400, 400);
applet.init();
applet.start();
mainFrame.add(applet);
mainFrame.pack();
mainFrame.setVisible(true);
} catch (Throwable exception) {
System.err.println("Exception occurred in main()");
exception.printStackTrace(System.out);
}
}
public void actionPerformed(ActionEvent e) {
if (e.getActionCommand().equals("east")) {
System.out.println("East pressed");
} else if (e.getActionCommand().equals("west")) {
System.out.println("West pressed");
}
}
public void itemStateChanged(ItemEvent e) {
Object source = e.getItemSelectable();
System.out.println("item changed: "+source);
}
}
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