prompt window with logs on raised exception; minor UI updates; minor fixes

userdata/logging.py

@@ -0,0 +1,29 @@
+import logging
+import traceback
+
+from io import StringIO
+from tkinter import *
+from tkinter.scrolledtext import *
+
+log_stream = StringIO()
+logging.basicConfig(stream=log_stream, level=logging.INFO)
+
+
+def _error_prompt():
+    tk = Tk()
+    Label(tk, text="Oops, something went wrong.").grid(row=0)
+    Label(tk, text="Please send following text to the developer:").grid(row=1)
+
+    text = ScrolledText(tk)
+    text.insert("0.0", log_stream.getvalue())
+    text.grid(row=2, sticky=NSEW)
+    tk.focus()
+
+
+def _handle_exception(self, exception: BaseException, *args):
+    logging.exception(exception)
+    _error_prompt()
+
+
+Tk.report_callback_exception = _handle_exception
+logging.info("DCS Libration 1.13 RC2")