small reorganization to old client/server, client fixed and sending messages to server

client/gui.py

@@ -1,15 +1,17 @@
 import socket
+from pprint import pprint
 
-from PyQt5.QtCore import QThread, pyqtSignal
+from PyQt5.QtCore import QThread, pyqtSignal, Qt, QEvent
 from PyQt5.QtWidgets import QMainWindow, QDialog, QDialogButtonBox, QVBoxLayout
 
-from config import config
 from client.MainWindow import Ui_MainWindow
+from config import config
 
 IP = '127.0.0.1'
 PORT = 55555
 
-HEADER_LENGTH = int(config.get(IP, 'HeaderLength'))
+HEADER_LENGTH = 10
+
 
 class ReceiveWorker(QThread):
     messages = pyqtSignal(str)
@@ -24,9 +26,12 @@ class ReceiveWorker(QThread):
         while True:
             try:
                 length = int(self.client.recv(HEADER_LENGTH).decode('ascii'))
-                message = self.client.recv(length)
+                message = self.client.recv(length).decode('ascii')
                 if message == 'NICK':
-                    self.client.send(self.nickname.encode('ascii'))
+                    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:
@@ -67,10 +72,26 @@ class MainWindow(QMainWindow, Ui_MainWindow):
 
         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 addMessage(self, message: str):
+    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'))