added iconify test

customtkinter/scaling_tracker.py

@@ -33,17 +33,17 @@ class ScalingTracker:
 
     @classmethod
     def set_widget_scaling(cls, widget_scaling_factor):
-        cls.widget_scaling = widget_scaling_factor
+        cls.widget_scaling = max(widget_scaling_factor, 0.4)
         cls.update_scaling_callbacks()
 
     @classmethod
     def set_spacing_scaling(cls, spacing_scaling_factor):
-        cls.spacing_scaling = spacing_scaling_factor
+        cls.spacing_scaling = max(spacing_scaling_factor, 0.4)
         cls.update_scaling_callbacks()
 
     @classmethod
     def set_window_scaling(cls, window_scaling_factor):
-        cls.window_scaling = window_scaling_factor
+        cls.window_scaling = max(window_scaling_factor, 0.4)
         cls.update_scaling_callbacks()
 
     @classmethod

customtkinter/windows/ctk_tk.py

@@ -5,6 +5,7 @@ import os
 import platform
 import ctypes
 import re
+from typing import Union
 
 from ..appearance_mode_tracker import AppearanceModeTracker
 from ..theme_manager import CTkThemeManager
@@ -32,6 +33,8 @@ class CTk(tkinter.Tk):
 
         self.current_width = 600  # initial window size, always without scaling
         self.current_height = 500
+        self.minsize: Union[tuple, None] = None
+        self.maxsize: Union[tuple, None] = None
 
         self.fg_color = CTkThemeManager.theme["color"]["window_bg_color"] if fg_color == "default_theme" else fg_color
 

customtkinter/windows/ctk_toplevel.py

@@ -134,16 +134,10 @@ class CTkToplevel(tkinter.Toplevel):
                 args[0]["background"] = CTkThemeManager.single_color(self.fg_color, self.appearance_mode)
 
         if bg_changed:
-            from .ctk_slider import CTkSlider
-            from .ctk_progressbar import CTkProgressBar
-            from .ctk_label import CTkLabel
-            from .ctk_frame import CTkFrame
-            from .ctk_entry import CTkEntry
-            from customtkinter.widgets.ctk_checkbox import CTkCheckBox
-            from customtkinter.widgets.ctk_button import CTkButton
+            from ..widgets.widget_base_class import CTkBaseClass
 
             for child in self.winfo_children():
-                if isinstance(child, (CTkFrame, CTkButton, CTkLabel, CTkSlider, CTkCheckBox, CTkEntry, CTkProgressBar)):
+                if isinstance(child, CTkBaseClass):
                     child.configure(bg_color=self.fg_color)
 
         super().configure(*args, **kwargs)