chat: another attempt to fix windows crashing

MAVProxy/modules/mavproxy_chat/__init__.py

@@ -12,6 +12,7 @@
 from MAVProxy.modules.lib import mp_module
 from MAVProxy.modules.lib import mp_util
 from MAVProxy.modules.mavproxy_chat import chat_window
+from threading import Thread
 
 class chat(mp_module.MPModule):
     def __init__(self, mpstate):
@@ -25,7 +26,12 @@ def __init__(self, mpstate):
         # keep reference to mpstate
         self.mpstate = mpstate
 
-        # add menu to map and console
+        # run chat window in a separate thread
+        self.thread = Thread(target=self.create_chat_window)
+        self.thread.start()
+
+    # create chat window (should be called from a new thread)
+    def create_chat_window(self):
         if mp_util.has_wxpython:
             # create chat window
             self.chat_window = chat_window.chat_window(self.mpstate)

MAVProxy/modules/mavproxy_chat/chat_window.py

@@ -17,6 +17,13 @@ def __init__(self, mpstate):
         # lock to prevent multiple threads sending text to the assistant at the same time
         self.send_lock = Lock()
 
+        # create chat_openai object
+        self.chat_openai = chat_openai.chat_openai(self.mpstate)
+
+        # create chat_voice_to_text object
+        self.chat_voice_to_text = chat_voice_to_text.chat_voice_to_text()
+
+        # create chat window
         self.app = wx.App()
         self.frame = wx.Frame(None, title="Chat", size=(650, 200))
 
@@ -66,24 +73,16 @@ def __init__(self, mpstate):
         # show frame
         self.frame.Show()
 
-        # create chat_openai object
-        self.chat_openai = chat_openai.chat_openai(self.mpstate)
-
-        # create chat_voice_to_text object
-        self.chat_voice_to_text = chat_voice_to_text.chat_voice_to_text()
+        # chat window loop (this does not return until the window is closed)
+        self.app.MainLoop()
 
         # run chat window in a separate thread
         self.thread = Thread(target=self.idle_task)
         self.thread.start()
 
-    # update function rapidly called by mavproxy
-    def idle_task(self):
-        # update chat window
-        self.app.MainLoop()
-
     # show the chat window
     def show(self):
-        self.frame.Show()
+        wx.CallAfter(self.frame.Show())
 
     # hide the chat window
     def hide(self):