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chat.py
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chat.py
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#Developed By : Suryaveer from IIT INDORE
#UserName: @ayrusreev
#GitHub : http://www.github.com/surya-veer
import os
from PyQt4.QtCore import *
from PyQt4.QtGui import *
import socket
import sys, socket, select
import time
from PyQt4.QtNetwork import *
SIZEOF_UINT32 = 4
class Chat(QDialog):
#NOTE: Non-responsive layout
def __init__(self , parent = None):
super(Chat,self).__init__(parent)
self.setWindowFlags(Qt.WindowStaysOnTopHint)
layout = QHBoxLayout
#initializing socket
self.socket = QTcpSocket()
self.nextBlockSize = 0
self.request = None
self.setWindowTitle('Chat-Box')
#height = 500, width = 800
self.setGeometry(300,100,800,500)
#label
self.l1 = QLabel(self)
self.l1.move(225,10)
self.l1.setText('Chat-Box')
self.l1.setFont(QFont("Arial",15))
#char response text
self.out = QTextBrowser(self)
self.out.setGeometry(225,30,350,400)
self.out.setText('<<welcome to my chat box>>')
self.out.setFont(QFont("Arial",12))
#send text-box(edit line)
self.text = QLineEdit(self)
self.text.setGeometry(225,435,350-40,40)
self.text.setFont(QFont("Arial",12))
self.text.setText("Type here")
#send button
self.sendBtn = QPushButton(self)
self.sendBtn.setText('>>')
self.sendBtn.setGeometry(225+350-40,435,42,40)
self.sendBtn.clicked.connect(self.issueRequest)
#online friends list
self.l2 = QLabel(self)
self.l2.move(225+360,10)
self.l2.setText('Online Friends')
self.l2.setFont(QFont("Arial",15))
self.friendList = QListWidget (self)
self.friendList.setGeometry(225+360,30,200,400)
self.friendList.insertItem (0, 'Ankit' )
self.friendList.insertItem (1, 'Mohit' )
self.friendList.insertItem (2, 'Kailash' )
self.friendList.insertItem (3, 'Sanchit' )
self.friendList.insertItem (4, 'Aditya' )
self.friendList.insertItem (5, 'Vineet' )
self.offlineBtn = QPushButton(self)
self.offlineBtn.setText('Go Offline')
self.offlineBtn.setGeometry(225+360+100,435,100,40)
self.refreshBtn = QPushButton(self)
self.refreshBtn.setText('Refresh')
self.refreshBtn.setGeometry(225+360,435,100,40)
self.refreshBtn.clicked.connect(self.Refresh)
#settings section
self.l3 = QLabel(self)
self.l3.move(80,10)
self.l3.setText('Settings')
self.l3.setFont(QFont("Arial",15))
#ip address
self.l4 = QLabel(self)
self.l4.move(10,40)
self.l4.setText('IP Address')
self.l4.setFont(QFont("Arial",12))
self.ip = QLineEdit(self)
self.ip.setGeometry(10,55,130,30)
self.ip.setFont(QFont("Arial",12))
self.ip.setText("127.0.0.1")
#port no.
self.l5 = QLabel(self)
self.l5.move(150,40)
self.l5.setText('Port')
self.l5.setFont(QFont("Arial",12))
self.port = QLineEdit(self)
self.port.setGeometry(150,55,60,30)
self.port.setFont(QFont("Arial",12))
self.port.setText("8888")
#Nick name
self.l4 = QLabel(self)
self.l4.move(10,110)
self.l4.setText('UserName')
self.l4.setFont(QFont("Arial",12))
self.userName = QLineEdit(self)
self.userName.setGeometry(10,130,200,30)
self.userName.setFont(QFont("Arial",12))
self.userName.setText("Ayrus")
#connect button
self.connectBtn = QPushButton(self)
self.connectBtn.setText('Connect')
self.connectBtn.setGeometry(10,180,200,30)
self.connectBtn.setEnabled(True)
#disconnect button
self.disconnectBtn = QPushButton(self)
self.disconnectBtn.setText('Disconnect')
self.disconnectBtn.setGeometry(10,220,200,30)
self.disconnectBtn.setEnabled(False)
self.disconnectBtn.clicked.connect(self.Disconnect)
#status
self.l5 = QLabel(self)
self.l5.move(80,300)
self.l5.setText('Status')
self.l5.setFont(QFont("Arial",15))
self.l6 = QLabel(self)
self.l6.setFont(QFont("Arial",20))
self.statusColor(0)
self.l6.setText('Disconnected')
#how to use
self.howBtn = QPushButton(self)
self.howBtn.setText('how to use?')
self.howBtn.setGeometry(10,400,200,30)
self.howBtn.clicked.connect(self.howToUse)
#about
self.aboutBtn = QPushButton(self)
self.aboutBtn.setText('About')
self.aboutBtn.setGeometry(10,445,200,30)
self.aboutBtn.clicked.connect(self.about)
self.text.returnPressed.connect(self.issueRequest)
self.connectBtn.clicked.connect(self.connect)
#read from server
self.socket.readyRead.connect(self.readFromServer)
def statusColor(self,status):
palette = QPalette()
if status:
c=QColor(0,225, 0,225)
self.l6.move(50,330)
else:
c=QColor(255,0, 0,255)
self.l6.move(40,330)
palette.setColor(QPalette.Foreground,c)
self.l6.setPalette(palette)
def howToUse(self):
self.msg=QMessageBox()
self.msg.setIcon(QMessageBox.Information)
self.msg.setText("How to use?")
self.msg.setInformativeText("Click on show details..")
self.msg.setWindowTitle("How to use?")
self.msg.setDetailedText("The details are as follows:")
self.msg.setStandardButtons(QMessageBox.Ok | QMessageBox.Cancel)
self.retval=self.msg.exec_()
def about(self):
self.msg=QMessageBox()
self.msg.setIcon(QMessageBox.Information)
self.msg.setText("This is a simple chat-box")
self.msg.setInformativeText("Developed By: Suryaveer")
self.msg.setWindowTitle("About")
self.msg.setDetailedText("Developed By: Suryaveer\nEmail: 1998sveer@gmil.com\n")
self.msg.setStandardButtons(QMessageBox.Ok | QMessageBox.Cancel)
self.retval=self.msg.exec_()
def connect(self):
self.socket.connectToHost(self.ip.text(),int(self.port.text()))
self.connectBtn.setEnabled(False)
self.disconnectBtn.setEnabled(True)
self.text.setEnabled(True)
self.userName.setEnabled(False)
self.text.setFocus()
self.statusColor(1)
self.l6.setText("Connected")
def issueRequest(self):
if self.text.text():
self.request = QByteArray()
stream = QDataStream(self.request,QIODevice.WriteOnly)
stream.setVersion(QDataStream.Qt_4_2)
stream.writeUInt32(0)
stream.writeQString('<' + self.userName.text()+'>: '+self.text.text())
stream.device().seek(0)
stream.writeUInt32(self.request.size() - SIZEOF_UINT32)
self.socket.write(self.request)
self.nextBlockSize = 0
self.request = None
self.text.setText("")
def readFromServer(self):
stream = QDataStream(self.socket)
stream.setVersion(QDataStream.Qt_4_2)
while 1:
if self.nextBlockSize == 0:
if self.socket.bytesAvailable() < SIZEOF_UINT32:
break
self.nextBlockSize = stream.readUInt32()
if self.socket.bytesAvailable() < self.nextBlockSize:
break
textReceive = stream.readQString()
self.update(textReceive)
self.nextBlockSize = 0
def update(self,text):
self.out.append(text)
def Disconnect(self):
self.socket.close()
self.disconnectBtn.setEnabled(False)
self.connectBtn.setEnabled(True)
self.text.setEnabled(False)
# self.userName.setEnabled(True)
self.connectBtn.setFocus()
self.statusColor(0)
self.l6.setText("Disconnected")
def Refresh(self):
self.out.setText("<<welcome to my chat box>>")
def main():
app = QApplication(sys.argv)
ex = Chat()
ex.show()
sys.exit(app.exec_())
if __name__ == '__main__':
main()