gistfile1.java

/* 
code by Łukasz Wieczorek : http://hellowoo.com
feel free to modify code, just give me some credz
and keep this message in tact
kloveyou.
*/
// TODO:
// Add "flick" physics
// Break up into classes
// make the scroll smoother 
 
//IR sensor
import java.awt.AWTException;
import java.awt.Robot;
import processing.serial.*;
import java.awt.MouseInfo;
import java.awt.event.InputEvent; 
import java.awt.PointerInfo.*;
//controls
import controlP5.*;
ControlP5 cp5;
boolean autoClick = false;
 
// scrolls
Robot myMouseWheel;
Robot mouseWheel2;
 
Serial myPort;   // Create object from Serial class
float posX; // data from msg fields will be stored here  
int windowHeight = 500,
    windowWidth = 500,
    smallestVal;
 
void setup() {
    //....
  //slider controls
  //////////////////
  cp5 = new ControlP5(this);
  
  // noise
  cp5.addToggle("autoClick")
     .setPosition(10,10)
     .setSize(50,20)
     ;
  
  // scrolls
  myPort = new Serial(this, Serial.list()[4], 9600);
  myPort.bufferUntil('\n');
  size(windowWidth, windowHeight);
  try {
    myMouseWheel = new Robot();
    mouseWheel2 = new Robot();
  }
  catch (AWTException e){
    println("Robot class not supported by your system!");
    exit();
  }
  fill(255);
}
 
int checkScroll;
int scrollMe;
int active, top, bottom;
int myMouseX, myMouseY;
int lastMouseX, lastMouseY;
 
void draw(){
  //get global mouse position 
  myMouseX = MouseInfo.getPointerInfo().getLocation().x;
  myMouseY = MouseInfo.getPointerInfo().getLocation().y;
  // only scroll when val changes
  if(checkScroll != scrollMe){
    myMouseWheel.mouseWheel(scrollMe);
    // check to see user has moved the mouse, if it has then click (focus window hack) could use 
    // some improvement here
    if( lastMouseX != myMouseX && lastMouseY != myMouseY && autoClick == true){
      print("CLICK!!!");
      try {
          Robot clickRobot = new Robot();
          // Simulate a mouse click
          clickRobot.mousePress(InputEvent.BUTTON1_MASK);
          clickRobot.mouseRelease(InputEvent.BUTTON1_MASK);
      } catch (AWTException e) {
          e.printStackTrace();
      }
      lastMouseX = myMouseX;
      lastMouseY = myMouseX;
    }   
    if(scrollMe == 0){
      top = 0;
      bottom = 0;
    }
    if(scrollMe > 0){
      top = 0;
      bottom = 255;
    }
    if (scrollMe < 0){ 
      top = 255;
      bottom = 0;
    }
  }
  checkScroll = scrollMe;
  fill(top); rect(0, 0, windowWidth, windowHeight/2);
  fill(bottom); rect(0, windowHeight/2, windowWidth,  windowHeight/2);
}
 
float lastVal = 1000;
int currentVal;
 
void serialEvent(Serial p) {
 
  String message = myPort.readStringUntil('\n'); // read serial data
  
  if(message != null) {
    String[] data  = splitTokens(message,","); // Split the comma-separated message
    
    /////////////
    // callibrate
    //...........
    //int myMessage = int(message);
    Calibrate(message);
    
    if (data[0].equals("handSensor") && data.length > 1){
      posX = float(data[1]);
      
      //println(posX);
      try {
          if(posX < 100) {
             scrollMe = 0;
             return; // dont check other ifs after this
          }
          if(posX > smallestVal){ // smallestVal comes from calibrate function
            if(posX > lastVal){
              scrollMe += 1;
            }
            if(posX < lastVal){
              scrollMe -= 1;
            }
          }
          lastVal = posX;
      }  
      catch (Throwable t) {
        print("parse error");
      }          
    }
  }
}
 
int calibrateCount = 1;  
void Calibrate(String theMessage) {
  if(calibrateCount < 30){
    String message = theMessage;
    if(message != null) {
      String[] data  = splitTokens(message,",");
      int currentIRVal = int(data[1]);
      if(currentIRVal < smallestVal){
        smallestVal = currentIRVal; 
        smallestVal = int(smallestVal);
      }
    calibrateCount++;
    }
    if(calibrateCount == 30){
      println("done");
    }
  }
}