# !/usr/bin/env python
# -*- coding: utf-8 -*-

import sys
import serial
import threading
from time import sleep
from PyQt4 import QtCore, QtGui
from qtutils import *
from temperaturaUI import Ui_Form


class Principal(QtGui.QWidget):
    def __init__(self):
        QtGui.QWidget.__init__(self)

        self.aplicacio = Ui_Form()
        self.aplicacio.setupUi(self)

        self.aplicacio.sortir_Button.clicked.connect(exit)

        self.aplicacio.connectar_Button.clicked.connect(self.connectar)

    def connectar(self):
        try:
            arduino = serial.Serial('/dev/ttyACM0', 9600)
            print "Connectat amb èxit"
            temperatura = fil(0, arduino, self.aplicacio.actual_lineEdit)
            temperatura.start()
        except:
            print "Impossible connectar a l'Arduino"


class fil(threading.Thread):
    def __init__(self, temp, serie, line):
        threading.Thread.__init__(self)
        self.temp = temp
        self.serie = serie
        self.line = line

    def run(self):
        try:
            while 1:
                self.temp = self.serie.readline()
                if self.temp != 0:
                    # This calls QLineEdit.setText(self.temp) in the Qt MainThread
                    # (where QLineEdit is the QLineEdit contained in self.line)
                    inmain(self.line.setText, self.temp)
                sleep(0.2)
        except:
            print "Error al llegir de l'Arduino"



def main():
    app = QtGui.QApplication(sys.argv)
    aplicacio = Principal()
    aplicacio.show()
    sys.exit(app.exec_())

if __name__ == '__main__':
    main()