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 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", "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() # 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) 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 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"): 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.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): if not self._block_update_dimensions_event: detected_width = self.winfo_width() # detect current window size detected_height = self.winfo_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 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 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): current_resizable_values = super().resizable(width, height) self._last_resizable_args = ([], {"width": width, "height": height}) if sys.platform.startswith("win"): self.after(10, lambda: self._windows_set_titlebar_color(self._get_appearance_mode())) 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): 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))