added CTk class which overrides tkinter.Tk for automatic background color changes

customtkinter/__init__.py

@@ -1,4 +1,4 @@
-__version__ = "1.4"
+__version__ = "1.5"
 
 from .customtkinter_button import CTkButton
 from .customtkinter_slider import CTkSlider
@@ -8,6 +8,7 @@ from .customtkinter_label import CTkLabel
 from .customtkinter_entry import CTkEntry
 from .customtkinter_dialog import CTkDialog
 from .customtkinter_checkbox import CTkCheckBox
+from .customtkinter_tk import CTk
 
 from .appearance_mode_tracker import AppearanceModeTracker, SystemAppearanceModeListenerNoThread
 from .customtkinter_color_manager import CTkColorManager

customtkinter/customtkinter_color_manager.py

@@ -3,6 +3,7 @@ import sys
 
 class CTkColorManager:
 
+    WINDOW_BG = ("#ECECEC", "#323232")  # macOS standard light and dark window bg colors
     MAIN = ("#1C94CF", "#1C94CF")
     MAIN_HOVER = ("#5FB4DD", "#5FB4DD")
     ENTRY = ("white", "#222222")

customtkinter/customtkinter_tk.py

@@ -0,0 +1,70 @@
+import tkinter
+from distutils.version import StrictVersion as Version
+import sys
+import os
+import platform
+
+from .appearance_mode_tracker import AppearanceModeTracker
+from .customtkinter_color_manager import CTkColorManager
+
+
+class CTk(tkinter.Tk):
+    def __init__(self, *args,
+                 bg_color=CTkColorManager.WINDOW_BG,
+                 **kwargs):
+
+        self.enable_macos_dark_title_bar()
+        self.appearance_mode = AppearanceModeTracker.get_mode()  # 0: "Light" 1: "Dark"
+
+        self.bg_color = bg_color
+        if "bg" in kwargs:
+            self.bg_color = kwargs["bg"]
+            del kwargs["bg"]
+        elif "background" in kwargs:
+            self.bg_color = kwargs["background"]
+            del kwargs["background"]
+
+        super().__init__(*args, **kwargs)
+
+        AppearanceModeTracker.add(self.set_appearance_mode)
+        super().configure(bg=CTkColorManager.single_color(self.bg_color, self.appearance_mode))
+
+    def destroy(self):
+        self.disable_macos_dark_title_bar()
+        super().destroy()
+
+    def config(self, *args, **kwargs):
+        self.configure(*args, **kwargs)
+
+    def configure(self, *args, **kwargs):
+        if "bg" in kwargs:
+            self.bg_color = kwargs["bg"]
+        elif "background" in kwargs:
+            self.bg_color = kwargs["background"]
+
+        super().configure(*args, **kwargs)
+
+    @staticmethod
+    def enable_macos_dark_title_bar():
+        if sys.platform == "darwin":  # macOS
+            if Version(platform.python_version()) < Version("3.10"):
+                if Version(tkinter.Tcl().call("info", "patchlevel")) >= Version("8.6.9"):  # Tcl/Tk >= 8.6.9
+                    os.system("defaults write -g NSRequiresAquaSystemAppearance -bool No")
+
+    @staticmethod
+    def disable_macos_dark_title_bar():
+        if sys.platform == "darwin":  # macOS
+            if Version(platform.python_version()) < Version("3.10"):
+                if Version(tkinter.Tcl().call("info", "patchlevel")) >= Version("8.6.9"):  # Tcl/Tk >= 8.6.9
+                    os.system("defaults delete -g NSRequiresAquaSystemAppearance")
+                    # This command reverts the dark-mode setting for all programs.
+
+    def set_appearance_mode(self, mode_string):
+        if mode_string.lower() == "dark":
+            self.appearance_mode = 1
+        elif mode_string.lower() == "light":
+            self.appearance_mode = 0
+
+        print("set",self.bg_color)
+
+        super().configure(bg=CTkColorManager.single_color(self.bg_color, self.appearance_mode))

examples/complex_example.py

@@ -6,22 +6,14 @@ import sys
 customtkinter.set_appearance_mode("System")  # Other: "Light", "Dark"
 
 
-class App(tkinter.Tk):
+class App(customtkinter.CTk):
 
     APP_NAME = "CustomTkinter complex example"
     WIDTH = 700
     HEIGHT = 500
 
     def __init__(self, *args, **kwargs):
-        customtkinter.enable_macos_darkmode()
-
-        tkinter.Tk.__init__(self, *args, **kwargs)
-
-        # color the background of the Tk window if mode is not System
-        if customtkinter.get_appearance_mode() == "Dark":
-            self.configure(bg="#323232")  # set window background to dark color
-        elif customtkinter.get_appearance_mode() == "Light":
-            self.configure(bg="#ECECEC")  # set window background to dark color
+        super().__init__(*args, **kwargs)
 
         self.title(App.APP_NAME)
         self.geometry(str(App.WIDTH) + "x" + str(App.HEIGHT))
@@ -164,7 +156,6 @@ class App(tkinter.Tk):
         print("Button pressed")
 
     def on_closing(self, event=0):
-        customtkinter.disable_macos_darkmode()
         self.destroy()
 
     def start(self):

examples/complex_example_other_style.py

@@ -7,7 +7,7 @@ import sys
 customtkinter.set_appearance_mode("Dark")  # Other: "Light", "System"
 
 
-class App(tkinter.Tk):
+class App(customtkinter.CTk):
 
     APP_NAME = "CustomTkinter complex example"
     WIDTH = 700
@@ -18,15 +18,7 @@ class App(tkinter.Tk):
     MAIN_HOVER = "#458577"
 
     def __init__(self, *args, **kwargs):
-        customtkinter.enable_macos_darkmode()
-
-        tkinter.Tk.__init__(self, *args, **kwargs)
-
-        # color the background of the Tk window if mode is not System
-        if customtkinter.get_appearance_mode() == "Dark":
-            self.configure(bg="#323232")  # set window background to dark color
-        elif customtkinter.get_appearance_mode() == "Light":
-            self.configure(bg="#ECECEC")  # set window background to dark color
+        super().__init__(self, *args, **kwargs)
 
         self.title(App.APP_NAME)
         self.geometry(str(App.WIDTH) + "x" + str(App.HEIGHT))
@@ -178,7 +170,6 @@ class App(tkinter.Tk):
         print("Button pressed")
 
     def on_closing(self, event=0):
-        customtkinter.disable_macos_darkmode()
         self.destroy()
 
     def start(self):

examples/enable_disable_button_example.py

@@ -1,10 +1,9 @@
 import tkinter
 import customtkinter  # <- import the CustomTkinter module
 
-customtkinter.enable_macos_darkmode()
 customtkinter.set_appearance_mode("System")  # Other: "Dark", "Light"
 
-root_tk = tkinter.Tk()  # create the Tk window like you normally do
+root_tk = customtkinter.CTk()  # create CTk window like you do with the Tk window (you can also use normal tkinter.Tk window)
 root_tk.geometry("400x240")
 root_tk.title("CustomTkinter Test")
 
@@ -32,4 +31,3 @@ button_2 = customtkinter.CTkButton(master=frame_1, text="Button_2",
 button_2.place(relx=0.5, rely=0.7, anchor=tkinter.CENTER)
 
 root_tk.mainloop()
-customtkinter.disable_macos_darkmode()

examples/example_background_image.py

@@ -9,16 +9,14 @@ customtkinter.set_appearance_mode("Dark")  # Other: "Light", "System"
 PATH = os.path.dirname(os.path.realpath(__file__))
 
 
-class App(tkinter.Tk):
+class App(customtkinter.CTk):
 
     APP_NAME = "CustomTkinter background gardient"
     WIDTH = 900
     HEIGHT = 600
 
     def __init__(self, *args, **kwargs):
-        customtkinter.enable_macos_darkmode()
-
-        tkinter.Tk.__init__(self, *args, **kwargs)
+        super().__init__(self, *args, **kwargs)
 
         self.title(App.APP_NAME)
         self.geometry(str(App.WIDTH) + "x" + str(App.HEIGHT))
@@ -54,7 +52,6 @@ class App(tkinter.Tk):
         print("Button pressed")
 
     def on_closing(self, event=0):
-        customtkinter.disable_macos_darkmode()
         self.destroy()
 
     def start(self):

examples/simple_example.py

@@ -1,9 +1,7 @@
 import tkinter
 import customtkinter  # <- import the CustomTkinter module
 
-customtkinter.enable_macos_darkmode()
-
-root_tk = tkinter.Tk()  # create the Tk window like you normally do
+root_tk = customtkinter.CTk()  # create CTk window like you do with the Tk window (you can also use normal tkinter.Tk window)
 root_tk.geometry("400x300")
 root_tk.title("CustomTkinter Test")
 
@@ -46,4 +44,3 @@ checkbox_1 = customtkinter.CTkCheckBox(master=frame_1, command=check_box_functio
 checkbox_1.place(relx=0.5, rely=0.9, anchor=tkinter.CENTER)
 
 root_tk.mainloop()
-customtkinter.disable_macos_darkmode()

examples/simple_example_images.py

@@ -5,10 +5,9 @@ import os
 
 PATH = os.path.dirname(os.path.realpath(__file__))
 
-customtkinter.enable_macos_darkmode()
 customtkinter.set_appearance_mode("System")  # Other: "Dark", "Light"
 
-root_tk = tkinter.Tk()  # create the Tk window like you normally do
+root_tk = customtkinter.CTk()  # create CTk window like you do with the Tk window (you can also use normal tkinter.Tk window)
 root_tk.geometry("400x400")
 root_tk.title("CustomTkinter Test")
 
@@ -46,5 +45,4 @@ button_4.place(relx=0.5, rely=0.85, relwidth=0.5, anchor=tkinter.CENTER)
 button_4.configure(text=None)
 
 
-root_tk.mainloop()
-customtkinter.disable_macos_darkmode()
+root_tk.mainloop()

setup.py

@@ -19,7 +19,7 @@ def read(filename):
 
 
 setup(name="customtkinter",
-      version="1.4",
+      version="1.5",
       author="Tom Schimansky",
       license="Creative Commons Zero v1.0 Universal",
       url="https://github.com/TomSchimansky/CustomTkinter",