修改calman灰阶点击异常、修改色准结果显示异常

app/logging_setup.py

@@ -2,6 +2,7 @@ from __future__ import annotations
 
 import logging
 import os
+import threading
 from datetime import datetime
 from typing import Optional
 
@@ -93,6 +94,11 @@ class TkLogHandler(logging.Handler):
     def emit(self, record: logging.LogRecord) -> None:  # noqa: D401
         if getattr(record, _FROM_GUI_FLAG, False):
             return
+        # Tkinter widgets are not thread-safe. Forwarding background-thread logs
+        # into GUI controls may block/hang the worker thread. Keep those logs in
+        # file handlers only, and only mirror main-thread logs to GUI.
+        if threading.current_thread() is not threading.main_thread():
+            return
         try:
             message = self.format(record)
         except Exception: