processing4/java/examples/Basics/Web/EmbeddedLinks/applet/EmbeddedLinks.java

import processing.core.*; 

import java.applet.*; 
import java.awt.*; 
import java.awt.image.*; 
import java.awt.event.*; 
import java.io.*; 
import java.net.*; 
import java.text.*; 
import java.util.*; 
import java.util.zip.*; 
import java.util.regex.*; 

public class EmbeddedLinks extends PApplet {

/**
 * Loading URLs. 
 * 
 * Click on the left button to open a different URL in the same window (Only
 * works online). Click on the right button to open a URL in a new browser window.  
*/

boolean overLeftButton = false;
boolean overRightButton = false;

public void setup()
{
  size(200, 200);
}

public void draw()
{
  background(204);
  
  // Left buttom
  if(overLeftButton == true) {
    fill(255);
  } else {
    noFill();
  }
  rect(20, 60, 75, 75);
  rect(50, 90, 15, 15);
  
  // Right button
  if(overRightButton == true) {
    fill(255);
  } else {
    noFill();
  }
  rect(105, 60, 75, 75);
  line(135, 105, 155, 85);
  line(140, 85, 155, 85);
  line(155, 85, 155, 100);
}

public void mousePressed() 
{
  if(overLeftButton) { 
    link("http://www.processing.org");
  } else if (overRightButton) {
    link("http://www.processing.org", "_new");
  }
}

public void mouseMoved() { 
  checkButtons(); 
}
  
public void mouseDragged() {
  checkButtons(); 
}

public void checkButtons() {
  if(mouseX > 20 && mouseX < 95 &&
     mouseY > 60 && mouseY <135) {
    overLeftButton = true;   
  }  else if (mouseX > 105 && mouseX < 180 &&
     mouseY > 60 && mouseY <135) {
    overRightButton = true; 
  } else {
    overLeftButton = overRightButton = false;
  }

}





  static public void main(String args[]) {
    PApplet.main(new String[] { "EmbeddedLinks" });
  }
}