CustomTkinter/customtkinter/windows/ctk_toplevel.py

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import tkinter
from distutils.version import StrictVersion as Version
import sys
import os
import platform
import ctypes
from typing import Union, Tuple, Optional
from .widgets.theme.theme_manager import ThemeManager
from .widgets.scaling.scaling_base_class import CTkScalingBaseClass
from .widgets.appearance_mode.appearance_mode_base_class import CTkAppearanceModeBaseClass
from ..utility.utility_functions import pop_from_dict_by_set, check_kwargs_empty
class CTkToplevel(tkinter.Toplevel, CTkAppearanceModeBaseClass, CTkScalingBaseClass):
"""
Toplevel window with dark titlebar on Windows and macOS.
For detailed information check out the documentation.
"""
_valid_tk_toplevel_arguments: set = {"bd", "borderwidth", "class", "container", "cursor", "height",
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"highlightbackground", "highlightthickness", "menu", "relief",
"screen", "takefocus", "use", "visual", "width"}
_deactivate_macos_window_header_manipulation: bool = False
_deactivate_windows_window_header_manipulation: bool = False
def __init__(self, *args,
fg_color: Optional[Union[str, Tuple[str, str]]] = None,
**kwargs):
self._enable_macos_dark_title_bar()
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# call init methods of super classes
super().__init__(*args, **pop_from_dict_by_set(kwargs, self._valid_tk_toplevel_arguments))
CTkAppearanceModeBaseClass.__init__(self)
CTkScalingBaseClass.__init__(self, scaling_type="window")
check_kwargs_empty(kwargs, raise_error=True)
self._current_width = 200 # initial window size, always without scaling
self._current_height = 200
self._min_width: int = 0
self._min_height: int = 0
self._max_width: int = 1_000_000
self._max_height: int = 1_000_000
self._last_resizable_args: Union[Tuple[list, dict], None] = None # (args, kwargs)
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self._fg_color = ThemeManager.theme["CTkToplevel"]["fg_color"] if fg_color is None else self._check_color_type(fg_color)
# set bg color of tkinter.Toplevel
super().configure(bg=self._apply_appearance_mode(self._fg_color))
# set title of tkinter.Toplevel
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super().title("CTkToplevel")
self._state_before_windows_set_titlebar_color = None
self._windows_set_titlebar_color_called = False # indicates if windows_set_titlebar_color was called, stays True until revert_withdraw_after_windows_set_titlebar_color is called
self._withdraw_called_after_windows_set_titlebar_color = False # indicates if withdraw() was called after windows_set_titlebar_color
self._iconify_called_after_windows_set_titlebar_color = False # indicates if iconify() was called after windows_set_titlebar_color
if sys.platform.startswith("win"):
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self._windows_set_titlebar_color(self._get_appearance_mode())
self.bind('<Configure>', self._update_dimensions_event)
self.bind('<FocusIn>', self._focus_in_event)
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self._block_update_dimensions_event = False
def destroy(self):
self._disable_macos_dark_title_bar()
# call destroy methods of super classes
tkinter.Toplevel.destroy(self)
CTkAppearanceModeBaseClass.destroy(self)
CTkScalingBaseClass.destroy(self)
def _focus_in_event(self, event):
# sometimes window looses jumps back on macOS if window is selected from Mission Control, so has to be lifted again
if sys.platform == "darwin":
self.lift()
def _update_dimensions_event(self, event=None):
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if not self._block_update_dimensions_event:
detected_width = self.winfo_width() # detect current window size
detected_height = self.winfo_height()
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if self._current_width != self._reverse_window_scaling(detected_width) or self._current_height != self._reverse_window_scaling(detected_height):
self._current_width = self._reverse_window_scaling(detected_width) # adjust current size according to new size given by event
self._current_height = self._reverse_window_scaling(detected_height) # _current_width and _current_height are independent of the scale
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def _set_scaling(self, new_widget_scaling, new_window_scaling):
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super()._set_scaling(new_widget_scaling, new_window_scaling)
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# Force new dimensions on window by using min, max, and geometry. Without min, max it won't work.
super().minsize(self._apply_window_scaling(self._current_width), self._apply_window_scaling(self._current_height))
super().maxsize(self._apply_window_scaling(self._current_width), self._apply_window_scaling(self._current_height))
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super().geometry(f"{self._apply_window_scaling(self._current_width)}x{self._apply_window_scaling(self._current_height)}")
# set new scaled min and max with delay (delay prevents weird bug where window dimensions snap to unscaled dimensions when mouse releases window)
self.after(1000, self._set_scaled_min_max) # Why 1000ms delay? Experience! (Everything tested on Windows 11)
def block_update_dimensions_event(self):
self._block_update_dimensions_event = False
def unblock_update_dimensions_event(self):
self._block_update_dimensions_event = False
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def _set_scaled_min_max(self):
if self._min_width is not None or self._min_height is not None:
super().minsize(self._apply_window_scaling(self._min_width), self._apply_window_scaling(self._min_height))
if self._max_width is not None or self._max_height is not None:
super().maxsize(self._apply_window_scaling(self._max_width), self._apply_window_scaling(self._max_height))
def geometry(self, geometry_string: str = None):
if geometry_string is not None:
super().geometry(self._apply_geometry_scaling(geometry_string))
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# update width and height attributes
width, height, x, y = self._parse_geometry_string(geometry_string)
if width is not None and height is not None:
self._current_width = max(self._min_width, min(width, self._max_width)) # bound value between min and max
self._current_height = max(self._min_height, min(height, self._max_height))
else:
return self._reverse_geometry_scaling(super().geometry())
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def withdraw(self):
if self._windows_set_titlebar_color_called:
self._withdraw_called_after_windows_set_titlebar_color = True
super().withdraw()
def iconify(self):
if self._windows_set_titlebar_color_called:
self._iconify_called_after_windows_set_titlebar_color = True
super().iconify()
def resizable(self, width: bool = None, height: bool = None):
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current_resizable_values = super().resizable(width, height)
self._last_resizable_args = ([], {"width": width, "height": height})
if sys.platform.startswith("win"):
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self.after(10, lambda: self._windows_set_titlebar_color(self._get_appearance_mode()))
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return current_resizable_values
def minsize(self, width=None, height=None):
self._min_width = width
self._min_height = height
if self._current_width < width:
self._current_width = width
if self._current_height < height:
self._current_height = height
super().minsize(self._apply_window_scaling(self._min_width), self._apply_window_scaling(self._min_height))
def maxsize(self, width=None, height=None):
self._max_width = width
self._max_height = height
if self._current_width > width:
self._current_width = width
if self._current_height > height:
self._current_height = height
super().maxsize(self._apply_window_scaling(self._max_width), self._apply_window_scaling(self._max_height))
def configure(self, **kwargs):
if "fg_color" in kwargs:
self._fg_color = self._check_color_type(kwargs.pop("fg_color"))
super().configure(bg=self._apply_appearance_mode(self._fg_color))
for child in self.winfo_children():
try:
child.configure(bg_color=self._fg_color)
except Exception:
pass
super().configure(**pop_from_dict_by_set(kwargs, self._valid_tk_toplevel_arguments))
check_kwargs_empty(kwargs)
def cget(self, attribute_name: str) -> any:
if attribute_name == "fg_color":
return self._fg_color
else:
return super().cget(attribute_name)
@classmethod
def _enable_macos_dark_title_bar(cls):
if sys.platform == "darwin" and not cls._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")
@classmethod
def _disable_macos_dark_title_bar(cls):
if sys.platform == "darwin" and not cls._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 self._deactivate_windows_window_header_manipulation:
self._state_before_windows_set_titlebar_color = self.state()
super().withdraw() # hide window so that it can be redrawn after the titlebar change so that the color change is visible
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)
self._windows_set_titlebar_color_called = True
self.after(5, self._revert_withdraw_after_windows_set_titlebar_color)
def _revert_withdraw_after_windows_set_titlebar_color(self):
""" if in a short time (5ms) after """
if self._windows_set_titlebar_color_called:
if self._withdraw_called_after_windows_set_titlebar_color:
pass # leave it withdrawed
elif self._iconify_called_after_windows_set_titlebar_color:
super().iconify()
else:
if self._state_before_windows_set_titlebar_color == "normal":
self.deiconify()
elif self._state_before_windows_set_titlebar_color == "iconic":
self.iconify()
elif self._state_before_windows_set_titlebar_color == "zoomed":
self.state("zoomed")
else:
self.state(self._state_before_windows_set_titlebar_color) # other states
self._windows_set_titlebar_color_called = False
self._withdraw_called_after_windows_set_titlebar_color = False
self._iconify_called_after_windows_set_titlebar_color = False
def _set_appearance_mode(self, mode_string):
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super()._set_appearance_mode(mode_string)
if sys.platform.startswith("win"):
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self._windows_set_titlebar_color(mode_string)
super().configure(bg=self._apply_appearance_mode(self._fg_color))