/**
 * testRobot.java
 * @author: Stephen Steffes
 * @version: 1.0
 * March 1, 2006
 * Purpose: Example using java robot.  Moves mouse around in a circle, opens notepad, types "hello world", take a screen grab, reports pixel color at (0,0).
 */

import java.awt.*;				//Contains Robot and Color
import java.awt.event.*;  //Contains KeyEvent
import java.io.*;					//Contains println
import java.lang.*;				//Contains Math

public class testRobot {
  //User variables
  public static int STD_DELAY=100;  //standard delay number to use for pressing keys (milli sec)
	public static double RADIUS=100;  //radius of circle to outline with mouse (pixels)
	public static int OFFSETX=300,OFFSETY=300;				//(x,y) offset to put center of circle
	
  //Key binding variables
  public static int PLUS=107, LEFT=37, UP=38, RIGHT=39, DOWN=40, NUMPAD5=101,
		PERIOD=46, PRINT_SCREEN=154;

  //System variables
  public static Robot robot;
  public static Color c;
		

  public static void main(String[] args) throws AWTException{

		//set up variables
		robot = new Robot();

		//wait an initial 1 sec
		robot.delay(1000);

		//move mouse around in a circle
		int x,y;
		for(double angle=0;angle<360;angle++){
			x=(int)(RADIUS*Math.cos(angle*Math.PI/180))+OFFSETX;
			y=(int)(RADIUS*Math.sin(angle*Math.PI/180))+OFFSETY;
			robot.mouseMove(x,y);
			System.out.println("Moving mouse to (" +x+", "+y+")");
			robot.delay(10);
		}
		
		//open notepad
		combo(KeyEvent.VK_WINDOWS,KeyEvent.VK_R);
		type("notepad");
		press(KeyEvent.VK_ENTER);
		
		//hello world
		type("hello");
		press(KeyEvent.VK_SPACE);
		type("world");

		//report color at (0,0)
		c=robot.getPixelColor(0,0);			  //get (0,0) pixel
		System.out.println("Color of pixel at (0,0) (upper left corner of screen) is Red: "+c.getRed()+", Green: "+c.getGreen()+", Blue: "+c.getBlue());
		
		//take screen grab
		screenGrab();
		
  }






  //////////////////////////////////////////////
  //Press c-'a', (ex. control-a)
  public static void combo(int c,int a){
		robot.keyPress(c);
		press(a);
		robot.keyRelease(c);
  }

  //////////////////////////////////////////////
  //Take a screen grab
  public static void screenGrab(){
		combo(KeyEvent.VK_CONTROL,PRINT_SCREEN);
		System.out.println("Screen shot waiting on clipboard.");
  }

  /////////////////////////////////////////////////
  //Type a series of letters represented in the String 'a'.
  //This will only type actual letters (lower case only), no white spaces or non-alphabet characters
  public static void type(String a){
		for(int i=0; i<a.length(); i++){
				robot.delay(STD_DELAY);
				press(((int)a.charAt(i))-'a'+KeyEvent.VK_A);
	  }
  }

  //////////////////////////////////////////////////
  //Press the 'a' key and hold for exactly 'time' amount of time
  public static void press(int a,int time){
		robot.keyPress(a);
		robot.delay(time);
		robot.keyRelease(a);
  }

  /////////////////////////////////////////////////
  //Press the 'a' key, hold for STD_DELAY time
  public static void press(int a){
		press(a,STD_DELAY);
  }

}