client.pde

import websockets.*;

WebsocketClient wc;
ArrayList<String> nachrichten;
boolean newMessages = false;
String toSend;
boolean ready = false;
String name = "user";

void setup() {
  size(400, 400);
  nachrichten = new ArrayList<String>();
  toSend = "";
  wc = new WebsocketClient(this, "ws://localhost:9000/chat");
}

void draw() {
  background(0);
  if (ready) {
    text(toSend, 50, 50);

    if (newMessages) {

      println(nachrichten.get(nachrichten.size()-1));
      //println(nachrichten.size()-1);
      //ws.sendMessage(nachrichten.get(nachrichten.size()-1));
      newMessages = false;
    }
  } else {
    text("namen eingeben", 100, 100);
    text(toSend, 100, 200);
  }
}

void webSocketEvent(String msg) {
  newMessages = true;
  nachrichten.add(msg);
}

void mousePressed() {
  //wc.sendMessage("test");
}
void keyPressed() {

  if (key==BACKSPACE) {
    if (toSend.length()>0) {
      toSend=toSend.substring(0, toSend.length()-1);
    }
  } else
    if ((key==RETURN || key==ENTER)) {
      if (ready) {
        wc.sendMessage("[" + name + "]: " + toSend);
      } else {
        if (name=="user") {
          name = toSend;
          ready = true;
        }
        toSend="";
      }
    } else {
      toSend+=key;
    }
}