- methods from class MainWindow move to class FrameWidgets for active color_label when theme change

- optimize columnconfigure, rowconfigure in class MainWindow and FrameWidgets
- add new Frame for Widgets on Bottom
- optimize from tkinter * to from tkinter import filedialog, ttk, TclError

wg_main.py

@@ -1097,7 +1097,7 @@ class MyToolTip(tk.Toplevel):
     if not tips:
         AUTO_CLEAR_TIME = 0
     else:
-        AUTO_CLEAR_TIME = 900  # Millisecond. (1/90 sec.)
+        AUTO_CLEAR_TIME = 2000  # Millisecond. (1/200 sec.)
 
     def __init__(self, x_pos, y_pos, message=None, auto_clear=True):
         self.x_pos = x_pos