chattbox

from PyQt4.QtGui import *
from PyQt4.QtCore import *
from PyQt4 import QtGui
from PyQt4 import QtCore
from socket import *
import thread,sys,select,string

HOST = '192.168.10.34'
PORT = 5001
BUFSIZE = 1024
ADDR = (HOST, PORT)
global data

tcpCliSock = socket(AF_INET, SOCK_STREAM)
tcpCliSock.connect(ADDR)

class MainWindow(QtGui.QMainWindow):
    def __init__(self, parent=None):
        super(MainWindow, self).__init__(parent)
	self.thread = listener()
	self.thread.recv.connect(self.add)
        self.thread.start()


        roomLabel = QtGui.QLabel('room')

        self.browser = QtGui.QTextBrowser()
        self.browser.backwardAvailable

        self.textEdit = QtGui.QTextEdit()
        self.textEdit.setMaximumSize(QtCore.QSize(400,60))
        self.connect(self.browser, QtCore.SIGNAL("returnPressed()"),self.callback)

        SendButton = QtGui.QPushButton('Send')
        SendButton.setMaximumSize(QtCore.QSize(400,60))
        SendButton.clicked.connect(self.callback)




        layoutINlayout = QtGui.QHBoxLayout()
        layoutINlayout.addWidget(self.textEdit)
        layoutINlayout.addWidget(SendButton)


        widget = QtGui.QWidget()
        self.setCentralWidget(widget)

        self.layout = QtGui.QVBoxLayout()
        self.layout.addWidget(self.browser)

        mainwindow = QtGui.QVBoxLayout()
        mainwindow.addLayout (self.layout )
        mainwindow.addLayout (layoutINlayout )

        widget.setLayout(mainwindow)
        self.setWindowFlags(QtCore.Qt.WindowTitleHint )

    def callback(self, event):

        message = self.textEdit.toPlainText()
        tcpCliSock.send(message)

    def add(self):
	data = tcpCliSock.recv(4096)
        self.browser.setText(data)


class listener(QThread,QtCore.QObject):
    recv = QtCore.pyqtSignal()
    def __init__(self):
        QThread.__init__(self)
        self.exiting = False

    def __del__(self):
        self.exiting = True
        self.wait()




    def run(self):


          print 'Connected to remote host. Start sending messages'

          while 1:
             data = tcpCliSock.recv(BUFSIZE)
             if data:
		self.recv.emit()
if __name__ == '__main__':

    app = QtGui.QApplication(sys.argv)
    app.setStyle('chat')


    window = MainWindow()
    window.setWindowTitle("CHAT BOX")
    window.show()
    sys.exit(app.exec_())