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))