CustomTkinter/customtkinter/windows/ctk_toplevel.py

327 lines
15 KiB
Python

import tkinter
from distutils.version import StrictVersion as Version
import sys
import os
import platform
import ctypes
import re
from typing import Union, Tuple
from ..appearance_mode_tracker import AppearanceModeTracker
from ..theme_manager import ThemeManager
from ..settings import Settings
from ..scaling_tracker import ScalingTracker
class CTkToplevel(tkinter.Toplevel):
"""
Toplevel window with dark titlebar on Windows and macOS.
For detailed information check out the documentation.
"""
def __init__(self, *args,
fg_color: Union[str, Tuple[str, str]] = "default_theme",
**kwargs):
self._enable_macos_dark_title_bar()
super().__init__(*args, **kwargs)
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 = 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["color"]["window_bg_color"] if fg_color == "default_theme" else fg_color
if "bg" in kwargs:
self._fg_color = kwargs.pop("bg")
elif "background" in kwargs:
self.fg_color = kwargs.pop("background")
# add set_appearance_mode method to callback list of AppearanceModeTracker for appearance mode changes
AppearanceModeTracker.add(self._set_appearance_mode, self)
super().configure(bg=ThemeManager.single_color(self._fg_color, self._appearance_mode))
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"):
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
# force new dimensions on window by using min, max, and geometry
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" + f"{self._apply_window_scaling(self._current_height)}")
# set new scaled min and max with 400ms delay (otherwise it won't work for some reason)
self.after(400, self._set_scaled_min_max)
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())
@staticmethod
def _parse_geometry_string(geometry_string: str) -> tuple:
# index: 1 2 3 4 5 6
# regex group structure: ('<width>x<height>', '<width>', '<height>', '+-<x>+-<y>', '-<x>', '-<y>')
result = re.search(r"((\d+)x(\d+)){0,1}(\+{0,1}([+-]{0,1}\d+)\+{0,1}([+-]{0,1}\d+)){0,1}", geometry_string)
width = int(result.group(2)) if result.group(2) is not None else None
height = int(result.group(3)) if result.group(3) is not None else None
x = int(result.group(5)) if result.group(5) is not None else None
y = int(result.group(6)) if result.group(6) is not None else None
return width, height, x, y
def _apply_geometry_scaling(self, geometry_string: str) -> str:
width, height, x, y = self._parse_geometry_string(geometry_string)
if x is None and y is None: # no <x> and <y> in geometry_string
return f"{round(width * self._window_scaling)}x{round(height * self._window_scaling)}"
elif width is None and height is None: # no <width> and <height> in geometry_string
return f"+{x}+{y}"
else:
return f"{round(width * self._window_scaling)}x{round(height * self._window_scaling)}+{x}+{y}"
def _reverse_geometry_scaling(self, scaled_geometry_string: str) -> str:
width, height, x, y = self._parse_geometry_string(scaled_geometry_string)
if x is None and y is None: # no <x> and <y> in geometry_string
return f"{round(width / self._window_scaling)}x{round(height / self._window_scaling)}"
elif width is None and height is None: # no <width> and <height> in geometry_string
return f"+{x}+{y}"
else:
return f"{round(width / self._window_scaling)}x{round(height / self._window_scaling)}+{x}+{y}"
def _apply_window_scaling(self, value):
if isinstance(value, (int, float)):
return int(value * self._window_scaling)
else:
return value
def destroy(self):
AppearanceModeTracker.remove(self._set_appearance_mode)
ScalingTracker.remove_window(self._set_scaling, self)
self._disable_macos_dark_title_bar()
super().destroy()
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):
super().resizable(width, height)
self._last_resizable_args = ([], {"width": width, "height": height})
if sys.platform.startswith("win"):
if self._appearance_mode == 1:
self.after(10, lambda: self._windows_set_titlebar_color("dark"))
else:
self.after(10, lambda: self._windows_set_titlebar_color("light"))
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, *args, **kwargs):
bg_changed = False
if "bg" in kwargs:
self._fg_color = kwargs["bg"]
bg_changed = True
kwargs["bg"] = ThemeManager.single_color(self._fg_color, self._appearance_mode)
elif "background" in kwargs:
self._fg_color = kwargs["background"]
bg_changed = True
kwargs["background"] = ThemeManager.single_color(self._fg_color, self._appearance_mode)
elif "fg_color" in kwargs:
self._fg_color = kwargs.pop("fg_color")
kwargs["bg"] = ThemeManager.single_color(self._fg_color, self._appearance_mode)
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"] = ThemeManager.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"] = ThemeManager.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) and hasattr(child, "_fg_color"):
child.configure(bg_color=self._fg_color)
super().configure(*args, **kwargs)
def cget(self, attribute_name: str) -> any:
if attribute_name == "fg_color":
return self._fg_color
else:
return super().cget(attribute_name)
@staticmethod
def _enable_macos_dark_title_bar():
if sys.platform == "darwin" and not Settings.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")
@staticmethod
def _disable_macos_dark_title_bar():
if sys.platform == "darwin" and not Settings.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 Settings.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):
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=ThemeManager.single_color(self._fg_color, self._appearance_mode))