Basic status icon working

hexnoise.py

@@ -208,8 +208,6 @@ class NoiseEngine:
         self.proto.start_handshake()
         self.paired = False
         self.connected = False
-        self.packetizer.send_packet(PacketType.INITIATE_HANDSHAKE, b'')
-        self.debug_print('Handshake started')
 
     @wraps(print)
     def debug_print(self, *args, **kwargs):
@@ -217,6 +215,9 @@ class NoiseEngine:
             print(*args, **kwargs)
 
     def perform_handshake(self):
+        self.packetizer.send_packet(PacketType.INITIATE_HANDSHAKE, b'')
+        self.debug_print('Handshake started')
+
         while True:
             if self.proto.handshake_finished:
                 break

pairing.py

@@ -10,9 +10,9 @@ from gi.repository import Gtk, Gdk, Pango, GLib
 import hexnoise
 
 class PairingWindow(Gtk.Window):
-    def __init__(self, serial, debug=False):
+    def __init__(self, noise, debug=False):
         Gtk.Window.__init__(self, title='SecureHID pairing')
-        self.serial = serial
+        self.noise = noise
         self.debug = debug
 
         self.set_border_width(10)
@@ -36,9 +36,6 @@ class PairingWindow(Gtk.Window):
         self.handshaker.start()
 
     def pair(self):
-        self.packetizer = hexnoise.Packetizer(self.serial, debug=self.debug)
-        self.noise = hexnoise.NoiseEngine(self.packetizer, debug=self.debug)
-
         for i in range(10):
             try:
                 self.run_handshake()
@@ -47,34 +44,56 @@ class PairingWindow(Gtk.Window):
                 print(e)
 
     def run_handshake(self):
-        self.noise.perform_handshake()
+        binding_incantation = self.noise.channel_binding_incantation()
+        GLib.idle_add(self.label.set_markup,
+                f'<b>Step 2</b>\n\nPerform channel binding ritual.\n'
+                f'Enter the following incantation, then press enter.\n'
+                f'<b>{binding_incantation}</b>')
+        
+        def update_text(text):
+            self.entry.set_text(text)
+            self.entry.set_position(len(text))
 
-        if not self.noise.paired:
-            binding_incantation = self.noise.channel_binding_incantation()
-            GLib.idle_add(self.label.set_markup,
-                    f'<b>Step 2</b>\n\nPerform channel binding ritual.\n'
-                    f'Enter the following incantation, then press enter.\n'
-                    f'<b>{binding_incantation}</b>')
-            
-            def update_text(text):
-                self.entry.set_text(text)
-                self.entry.set_position(len(text))
-
-                clean = lambda s: re.sub('[^a-z0-9-]', '', s.lower())
-                if clean(binding_incantation).startswith(clean(text)):
-                    color = 0.9, 1.0, 0.9 # light red
-                else:
-                    color = 1.0, 0.9, 0.9 # light green
-                self.entry.override_background_color(Gtk.StateType.NORMAL, Gdk.RGBA(*color, 1.0))
+            clean = lambda s: re.sub('[^a-z0-9-]', '', s.lower())
+            if clean(binding_incantation).startswith(clean(text)):
+                color = 0.9, 1.0, 0.9 # light red
+            else:
+                color = 1.0, 0.9, 0.9 # light green
+            self.entry.override_background_color(Gtk.StateType.NORMAL, Gdk.RGBA(*color, 1.0))
 
+        try:
             for user_input in self.noise.pairing_messages():
-                print(f'User input: "{user_input}"')
                 GLib.idle_add(update_text, user_input)
+            self.destroy()
+        except noise.ProtocolError as e:
+            GLib.idle_add(self.label.set_markup, f'<b>Error: {e}!</b>')
 
-        GLib.idle_add(self.label.set_markup, f'<b>Done!</b>')
 
-        # FIXME demo
-        self.noise.uinput_passthrough()
+class StatusIcon(Gtk.StatusIcon):
+    def __init__(self):
+        Gtk.StatusIcon.__init__(self)
+        self.set_tooltip_text('SecureHID connected')
+        self.set_from_file('secureusb_icon.png')
+
+
+def run_pairing_gui(serial, baudrate, debug=False):
+    ser = serial.Serial(serial, baudrate)
+    packetizer = hexnoise.Packetizer(serial, debug=debug)
+    noise = hexnoise.NoiseEngine(packetizer, debug=debug)
+    noise.perform_handshake()
+
+    if not noise.paired:
+        window = PairingWindow(noise, debug=debug)
+        window.connect('destroy', Gtk.main_quit)
+        window.show_all()
+        Gtk.main()
+
+    if self.noise.paired:
+        input_runner = threading.Thread(target=noise.uinput_passthrough, daemon=True)
+        input_runner.start()
+
+        status_icon = StatusIcon()
+        Gtk.main()
 
 if __name__ == '__main__':
     import argparse
@@ -84,10 +103,5 @@ if __name__ == '__main__':
     parser.add_argument('-d', '--debug', action='store_true')
     args = parser.parse_args()
 
-    ser = serial.Serial(args.serial, args.baudrate)
-
-    window = PairingWindow(ser, debug=args.debug)
-    window.connect('destroy', Gtk.main_quit)
-    window.show_all()
-    Gtk.main()
+    run_pairing_gui(args.serial, args.baudrate, args.debug)