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 import ThemeManager from .widgets.scaling import CTkScalingBaseClass from .widgets.appearance_mode import CTkAppearanceModeBaseClass from customtkinter.windows.widgets.utility.utility_functions import pop_from_dict_by_set, check_kwargs_empty class CTk(tkinter.Tk, CTkAppearanceModeBaseClass, CTkScalingBaseClass): """ Main app window with dark titlebar on Windows and macOS. For detailed information check out the documentation. """ _valid_tk_constructor_arguments: set = {"screenName", "baseName", "className", "useTk", "sync", "use"} _valid_tk_configure_arguments: set = {'bd', 'borderwidth', 'class', 'menu', 'relief', 'screen', 'use', 'container', 'cursor', 'height', 'highlightthickness', 'padx', 'pady', 'takefocus', 'visual', 'width'} _deactivate_macos_window_header_manipulation: bool = False _deactivate_windows_window_header_manipulation: bool = False def __init__(self, fg_color: Optional[Union[str, Tuple[str, str]]] = None, **kwargs): self._enable_macos_dark_title_bar() # call init methods of super classes tkinter.Tk.__init__(self, **pop_from_dict_by_set(kwargs, self._valid_tk_constructor_arguments)) CTkAppearanceModeBaseClass.__init__(self) CTkScalingBaseClass.__init__(self, scaling_type="window") check_kwargs_empty(kwargs, raise_error=True) self._current_width = 600 # initial window size, independent of scaling self._current_height = 500 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) self._fg_color = ThemeManager.theme["CTk"]["fg_color"] if fg_color is None else self._check_color_type(fg_color) # set bg of tkinter.Tk super().configure(bg=self._apply_appearance_mode(self._fg_color)) # set title and initial geometry self.title("CTk") # self.geometry(f"{self._current_width}x{self._current_height}") self._state_before_windows_set_titlebar_color = None self._window_exists = False # indicates if the window is already shown through update() or mainloop() after init self._withdraw_called_before_window_exists = False # indicates if withdraw() was called before window is first shown through update() or mainloop() self._iconify_called_before_window_exists = False # indicates if iconify() was called before window is first shown through update() or mainloop() if sys.platform.startswith("win"): self._windows_set_titlebar_color(self._get_appearance_mode()) self.bind('', self._update_dimensions_event) self.bind('', self._focus_in_event) self._block_update_dimensions_event = False def destroy(self): self._disable_macos_dark_title_bar() # call destroy methods of super classes tkinter.Tk.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): if not self._block_update_dimensions_event: detected_width = super().winfo_width() # detect current window size detected_height = super().winfo_height() # detected_width = event.width # detected_height = event.height 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 def _set_scaling(self, new_widget_scaling, new_window_scaling): super()._set_scaling(new_widget_scaling, new_window_scaling) # 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)) 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 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 withdraw(self): if self._window_exists is False: self._withdraw_called_before_window_exists = True super().withdraw() def iconify(self): if self._window_exists is False: self._iconify_called_before_window_exists = True super().iconify() def update(self): if self._window_exists is False: self._window_exists = True if sys.platform.startswith("win"): if not self._withdraw_called_before_window_exists and not self._iconify_called_before_window_exists: # print("window dont exists -> deiconify in update") self.deiconify() super().update() def mainloop(self, *args, **kwargs): if not self._window_exists: self._window_exists = True if sys.platform.startswith("win"): if not self._withdraw_called_before_window_exists and not self._iconify_called_before_window_exists: # print("window dont exists -> deiconify in mainloop") self.deiconify() super().mainloop(*args, **kwargs) def resizable(self, width: bool = None, height: bool = None): current_resizable_values = super().resizable(width, height) self._last_resizable_args = ([], {"width": width, "height": height}) if sys.platform.startswith("win"): self._windows_set_titlebar_color(self._get_appearance_mode()) return current_resizable_values def minsize(self, width: int = None, height: int = 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: int = None, height: int = 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 geometry(self, geometry_string: str = None): if geometry_string is not None: super().geometry(self._apply_geometry_scaling(geometry_string)) # 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()) 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_configure_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") # This command allows dark-mode for all programs @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: if self._window_exists: self._state_before_windows_set_titlebar_color = self.state() # print("window_exists -> state_before_windows_set_titlebar_color: ", self.state_before_windows_set_titlebar_color) if self._state_before_windows_set_titlebar_color != "iconic" or self._state_before_windows_set_titlebar_color != "withdrawn": super().withdraw() # hide window so that it can be redrawn after the titlebar change so that the color change is visible else: # print("window dont exists -> withdraw and update") super().withdraw() 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: # print("window_exists -> return to original state: ", self.state_before_windows_set_titlebar_color) 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 else: pass # wait for update or mainloop to be called def _set_appearance_mode(self, mode_string: str): super()._set_appearance_mode(mode_string) if sys.platform.startswith("win"): self._windows_set_titlebar_color(mode_string) super().configure(bg=self._apply_appearance_mode(self._fg_color))