Files
tcp-chat/client/gui.py

98 lines
2.9 KiB
Python

import socket
from pprint import pprint
from PyQt5.QtCore import QThread, pyqtSignal, Qt, QEvent
from PyQt5.QtWidgets import QMainWindow, QDialog, QDialogButtonBox, QVBoxLayout
from client.MainWindow import Ui_MainWindow
from config import config
IP = '127.0.0.1'
PORT = 55555
HEADER_LENGTH = 10
class ReceiveWorker(QThread):
messages = pyqtSignal(str)
error = pyqtSignal()
def __init__(self, client: socket.socket, nickname: str, parent=None):
QThread.__init__(self, parent)
self.client = client
self.nickname = nickname
def run(self):
while True:
try:
length = int(self.client.recv(HEADER_LENGTH).decode('ascii'))
message = self.client.recv(length).decode('ascii')
if message == 'NICK':
header = f'{len(self.nickname):<{HEADER_LENGTH}}'
final = header + self.nickname
pprint(final)
self.client.send(final.encode('ascii'))
else:
self.messages.emit(message)
except:
self.error.emit()
self.client.close()
break
class CustomDialog(QDialog):
def __init__(self, *args, **kwargs):
super(CustomDialog, self).__init__(*args, **kwargs)
self.setWindowTitle("HELLO!")
buttons = QDialogButtonBox.Ok | QDialogButtonBox.Cancel
self.buttonBox = QDialogButtonBox(buttons)
self.buttonBox.accepted.connect(self.accept)
self.buttonBox.rejected.connect(self.reject)
self.layout = QVBoxLayout()
self.layout.addWidget(self.buttonBox)
self.setLayout(self.layout)
class MainWindow(QMainWindow, Ui_MainWindow):
def __init__(self, *args, **kwargs):
super(MainWindow, self).__init__(*args, **kwargs)
self.setupUi(self)
self.client = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self.client.connect((IP, PORT))
# nicknameDialog = CustomDialog(self)
# if nicknameDialog.exec_():
# print('s')
self.nickname = 'Default'
self.textEdit.installEventFilter(self)
self.receiveThread = ReceiveWorker(self.client, self.nickname)
self.receiveThread.messages.connect(self.addMessage)
self.receiveThread.start()
self.show()
def eventFilter(self, obj, event):
if event.type() == QEvent.KeyPress and obj is self.textEdit:
if event.key() == Qt.Key_Return and self.textEdit.hasFocus():
self.sendMessage(self.textEdit.toPlainText())
self.textEdit.clear()
return super().eventFilter(obj, event)
def addMessage(self, message: str) -> None:
self.textBrowser.append(message)
def sendMessage(self, message: str) -> None:
header = f'{len(message):<{HEADER_LENGTH}}'
final = header + message
pprint(final)
self.client.send(final.encode('ascii'))