[processing学习]ControlP5-04-group

import controlP5.*;

ControlP5 cp5;

void setup() {  
  size(800,400);

  cp5 = new ControlP5(this);
  
  Group g1 = cp5.addGroup("g1")
                .setPosition(100,100)
                .setBackgroundHeight(100)
                .setBackgroundColor(color(255,50))
                ;
                     
  cp5.addBang("A-1")
     .setPosition(10,20)
     .setSize(80,20)
     .setGroup(g1)
     ;
          
  cp5.addBang("A-2")
     .setPosition(10,60)
     .setSize(80,20)
     .setGroup(g1)
     ;
     
  
  Group g2 = cp5.addGroup("g2")
                .setPosition(250,100)
                .setWidth(300)
                .activateEvent(true) //改成false没有影响
                .setBackgroundColor(color(255,80))
                .setBackgroundHeight(100)
                .setLabel("Hello World.")
                ;
  
  cp5.addSlider("S-1")
     .setPosition(80,10)
     .setSize(180,9)
     .setGroup(g2)
     ;
     
  cp5.addSlider("S-2")
     .setPosition(80,20)
     .setSize(180,9)
     .setGroup(g2)
     ;
     
  cp5.addRadioButton("radio")
     .setPosition(10,10)
     .setSize(20,9)
     .addItem("black",0)
     .addItem("red",1)
     .addItem("green",2)
     .addItem("blue",3)
     .addItem("grey",4)
     .setGroup(g2)
     ;
     
  Group g3 = cp5.addGroup("g3")
                .setPosition(600,100)
                .setSize(150,200)
                .setBackgroundColor(color(255,100))
                ;
                
  
  cp5.addScrollableList("list")
     .setPosition(10,10)
     .setSize(130,100)
     .setGroup(g3)
     .addItems(java.util.Arrays.asList("a","b","c","d","e","f","g"))
     ;
}


void draw() {
  background(0);
}


void controlEvent(ControlEvent theEvent) {
  if(theEvent.isGroup()) {
    println("got an event from group "
            +theEvent.getGroup().getName()
            +", isOpen? "+theEvent.getGroup().isOpen()
            );
            
  } else if (theEvent.isController()){
    println("got something from a controller "
            +theEvent.getController().getName()
            );
  }
}


void keyPressed() {
  if(key==' ') {
    if(cp5.getGroup("g1")!=null) {
      cp5.getGroup("g1").remove();
    }
  }
}

public void controlEvent(ControlEvent theEvent) {
  for (int i=0;i<col.length;i++) {
    if (theEvent.getController().getName().equals("bang"+i)) {
      col[i] = color(random(255));  //判断是哪个controller被按下
    }
  }