update

Author: electrocoder

MQTTClient.py

@@ -29,7 +29,7 @@ def __init__(self):
         super().__init__()
 
         self.title('MQTT Client 0v4')
-        self.geometry('850x450')
+        self.geometry('750x350')
 
         # self.rowconfigure(0, weight=1)
         # self.columnconfigure(0, weight=1)
@@ -180,9 +180,9 @@ def __init__(self):
         column = 0
 
         # subscribe list
-        self.listbox_message = tk.Text(self, font=font_size, height=12)
+        self.listbox_message = tk.Text(self, font=font_size, height=10)
         self.listbox_message.grid(row=row, column=column, columnspan=6,
-                                  ipadx=11, ipady=11, padx=22, pady=22)
+                                  ipadx=5, ipady=5, padx=5, pady=5)
 
         # menu
         menubar = tk.Menu(self)
@@ -208,11 +208,12 @@ def __init__(self):
         self.connect_status_text.set("...")
         self.connect_status = tk.Label(self,
                                        textvariable=self.connect_status_text,
-                                       relief=tk.SUNKEN, anchor="w")
+                                       bd=1,
+                                       relief=tk.SUNKEN, anchor=tk.W)
         row += 1
         column = 0
 
-        self.connect_status.grid(row=row, column=column)
+        self.connect_status.grid(row=row, column=column, columnspan=5, sticky=tk.W+tk.E)
 
         self.subscriber = subscriber.Subscriber(self)
 

subscriber.py

@@ -19,11 +19,7 @@
 class Subscriber:
     def __init__(self, main_window):
         self.main_window = main_window
-        self.client = mqtt.Client()
-
-        self.client.on_disconnect = self.on_disconnect
-        self.client.on_message = self.on_message
-        self.client.on_connect = self.on_connect
+        self.client = None
 
         self.on_message_count = 0
         self.publish_message_count = 0
@@ -69,12 +65,17 @@ def on_message(self, client, userdata, msg):
                 self.on_message_count, self.publish_message_count))
 
     def connect_start(self, name, broker, port, username, password):
+        self.client = mqtt.Client()
+        self.client.on_disconnect = self.on_disconnect
+        self.client.on_message = self.on_message
+        self.client.on_connect = self.on_connect
         self.client.username_pw_set(username, password)
         self.client.connect(broker, int(port), 60)
         return True
 
     def connect_stop(self):
         self.client.disconnect()
+        self.client = None
         return True
 
     def subscribe_start(self, topic):