class ChatClient(QtCore.QObject):
userName = ""
# Constructor
#
def __init__(self, serverPort):
self.app = QtGui.QApplication(sys.argv)
super(ChatClient, self).__init__()
self.serverPort = serverPort
self.GUI = ChatGUI()
self.GUI.connectMessageInput(self.send_message)
self.clientThread = thread.start_new_thread(self.run, ())
# Connects relevant signals to GUI slots
self.connect(self, QtCore.SIGNAL("updateUsers"), self.GUI.setUserList)
self.connect(self, QtCore.SIGNAL("addMessage"), self.GUI.addMessage)
self.connect(self, QtCore.SIGNAL("exit"), self.GUI.exit)
self.app.exec_()
# process_command - Takes expected command line arguments to initialize username.
#
def process_command(self,command):
if not command:
print "Error, username not provided. Program terminated"
sys.exit()
else:
self.userName = command
# send_message - Obtains the text from chat input and sends them to server.
# PUT is prepended to indicate the method.
#
def send_message(self):
message = self.GUI.chatInput.text().toAscii()
if message:
message = "PUT " + message
self.GUI.chatInput.clear()
self.serverSocket.send(message)
self.GUI.chatInput.setFocus()
# get_data - Polls the server for the most recent users list and the most
# recent chat log. The specific functionality of each is delegated
# to an appropriate function call.
#
def get_data(self):
while(1):
time.sleep(.25)
self.get_users()
self.get_msgs()
# get_users - Polls the server for the most recent list of users. This
# list is sent to the GUI.
#
def get_users(self):
message = "GETUSERS"
try:
self.serverSocket.send(message)
chats = self.serverSocket.recv(4196)
chatsArray = chats.split(" ",1)
if chatsArray[0] == "USERS":
self.emit(QtCore.SIGNAL("updateUsers"), chatsArray[1])
except Exception, e:
print "Error connecting to server"
self.emit(QtCore.SIGNAL("exit"),)
sys.exit(0)
