import tkinter
from distutils.version import StrictVersion as Version
import sys
import os
import platform
import ctypes
import re
from ..appearance_mode_tracker import AppearanceModeTracker
from ..theme_manager import CTkThemeManager
from ..scaling_tracker import ScalingTracker
from ..ctk_settings import CTkSettings
class CTk(tkinter.Tk):
def __init__(self, *args,
fg_color="default_theme",
**kwargs):
self.enable_macos_dark_title_bar()
super().__init__(*args, **kwargs)
# add set_appearance_mode method to callback list of AppearanceModeTracker for appearance mode changes
AppearanceModeTracker.add(self.set_appearance_mode, self)
self.appearance_mode = AppearanceModeTracker.get_mode() # 0: "Light" 1: "Dark"
# add set_scaling method to callback list of ScalingTracker for automatic scaling changes
ScalingTracker.add_widget(self.set_scaling, self)
self.window_scaling = ScalingTracker.get_window_scaling(self)
self.current_width = 600 # initial window size, always without scaling
self.current_height = 500
self.fg_color = CTkThemeManager.theme["color"]["window_bg_color"] if fg_color == "default_theme" else fg_color
if "bg" in kwargs:
self.fg_color = kwargs["bg"]
del kwargs["bg"]
elif "background" in kwargs:
self.fg_color = kwargs["background"]
del kwargs["background"]
super().configure(bg=CTkThemeManager.single_color(self.fg_color, self.appearance_mode))
super().title("CTk")
self.geometry(f"{self.current_width}x{self.current_height}")
self.window_exists = False # indicates if the window is already shown through .update or .mainloop
if sys.platform.startswith("win"):
if self.appearance_mode == 1:
self.windows_set_titlebar_color("dark")
else:
self.windows_set_titlebar_color("light")
self.bind('<Configure>', self.update_dimensions_event)
def update_dimensions_event(self, event=None):
detected_width = self.winfo_width() # detect current window size
detected_height = self.winfo_height()
if self.current_width != round(detected_width / self.window_scaling) or self.current_height != round(detected_height / self.window_scaling):
self.current_width = round(detected_width / self.window_scaling) # adjust current size according to new size given by event
self.current_height = round(detected_height / self.window_scaling) # current_width and current_height are independent of the scale
def set_scaling(self, new_widget_scaling, new_spacing_scaling, new_window_scaling):
self.window_scaling = new_window_scaling
# set new window size by applying scaling to the current window size
self.geometry(f"{self.current_width}x{self.current_height}")
def destroy(self):
AppearanceModeTracker.remove(self.set_appearance_mode)
self.disable_macos_dark_title_bar()
super().destroy()
def update(self):
if self.window_exists is False:
self.deiconify()
self.window_exists = True
super().update()
def mainloop(self, *args, **kwargs):
if not self.window_exists:
self.deiconify()
self.window_exists = True
super().mainloop(*args, **kwargs)
def resizable(self, *args, **kwargs):
super().resizable(*args, **kwargs)
if sys.platform.startswith("win"):
if self.appearance_mode == 1:
self.windows_set_titlebar_color("dark")
else:
self.windows_set_titlebar_color("light")
def geometry(self, geometry_string):
super().geometry(self.apply_geometry_scaling(geometry_string))
# update width and height attributes
numbers = list(map(int, re.split(r"[x+]", geometry_string))) # split geometry string into list of numbers
self.current_width, self.current_height = numbers[0], numbers[1]
def apply_geometry_scaling(self, geometry_string):
numbers = list(map(int, re.split(r"[x+]", geometry_string))) # split geometry string into list of numbers
if len(numbers) == 2:
return f"{self.apply_window_scaling(numbers[0]):.0f}x" +\
f"{self.apply_window_scaling(numbers[1]):.0f}"
elif len(numbers) == 4:
return f"{self.apply_window_scaling(numbers[0]):.0f}x" +\
f"{self.apply_window_scaling(numbers[1]):.0f}+" +\
f"{self.apply_window_scaling(numbers[2]):.0f}+" +\
f"{self.apply_window_scaling(numbers[3]):.0f}"
else:
return geometry_string
def apply_window_scaling(self, value):
if isinstance(value, (int, float)):
return value * self.window_scaling
else:
return value
def config(self, *args, **kwargs):
self.configure(*args, **kwargs)
def configure(self, *args, **kwargs):
bg_changed = False
if "bg" in kwargs:
self.fg_color = kwargs["bg"]
bg_changed = True
kwargs["bg"] = CTkThemeManager.single_color(self.fg_color, self.appearance_mode)
elif "background" in kwargs:
self.fg_color = kwargs["background"]
bg_changed = True
kwargs["background"] = CTkThemeManager.single_color(self.fg_color, self.appearance_mode)
elif "fg_color" in kwargs:
self.fg_color = kwargs["fg_color"]
kwargs["bg"] = CTkThemeManager.single_color(self.fg_color, self.appearance_mode)
del kwargs["fg_color"]
bg_changed = True
elif len(args) > 0 and type(args[0]) == dict:
if "bg" in args[0]:
self.fg_color=args[0]["bg"]
bg_changed = True
args[0]["bg"] = CTkThemeManager.single_color(self.fg_color, self.appearance_mode)
elif "background" in args[0]:
self.fg_color=args[0]["background"]
bg_changed = True
args[0]["background"] = CTkThemeManager.single_color(self.fg_color, self.appearance_mode)
if bg_changed:
from ..widgets.widget_base_class import CTkBaseClass
for child in self.winfo_children():
if isinstance(child, CTkBaseClass):
child.configure(bg_color=self.fg_color)
super().configure(*args, **kwargs)
@staticmethod
def enable_macos_dark_title_bar():
if sys.platform == "darwin" and not CTkSettings.deactivate_macos_window_header_manipulation: # 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")
# This command allows dark-mode for all programs
@staticmethod
def disable_macos_dark_title_bar():
if sys.platform == "darwin" and not CTkSettings.deactivate_macos_window_header_manipulation: # 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 windows_set_titlebar_color(self, color_mode: str):
"""
Set the titlebar color of the window to light or dark theme on Microsoft Windows.
Credits for this function:
https://stackoverflow.com/questions/23836000/can-i-change-the-title-bar-in-tkinter/70724666#70724666
MORE INFO:
https://docs.microsoft.com/en-us/windows/win32/api/dwmapi/ne-dwmapi-dwmwindowattribute
"""
if sys.platform.startswith("win") and not CTkSettings.deactivate_windows_window_header_manipulation:
super().withdraw() # hide window so that it can be redrawn after the titlebar change so that the color change is visible
if not self.window_exists:
super().update()
if color_mode.lower() == "dark":
value = 1
elif color_mode.lower() == "light":
value = 0
else:
return
try:
hwnd = ctypes.windll.user32.GetParent(self.winfo_id())
DWMWA_USE_IMMERSIVE_DARK_MODE = 20
DWMWA_USE_IMMERSIVE_DARK_MODE_BEFORE_20H1 = 19
# try with DWMWA_USE_IMMERSIVE_DARK_MODE
if ctypes.windll.dwmapi.DwmSetWindowAttribute(hwnd, DWMWA_USE_IMMERSIVE_DARK_MODE,
ctypes.byref(ctypes.c_int(value)),
ctypes.sizeof(ctypes.c_int(value))) != 0:
# try with DWMWA_USE_IMMERSIVE_DARK_MODE_BEFORE_20h1
ctypes.windll.dwmapi.DwmSetWindowAttribute(hwnd, DWMWA_USE_IMMERSIVE_DARK_MODE_BEFORE_20H1,
ctypes.byref(ctypes.c_int(value)),
ctypes.sizeof(ctypes.c_int(value)))
except Exception as err:
print(err)
if self.window_exists:
self.deiconify()
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
if sys.platform.startswith("win"):
if self.appearance_mode == 1:
self.windows_set_titlebar_color("dark")
else:
self.windows_set_titlebar_color("light")
super().configure(bg=CTkThemeManager.single_color(self.fg_color, self.appearance_mode))