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https://github.com/EDCD/EDMarketConnector.git
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theme.py: mypy pass
mypy/typeshed still doesn't like 'generic' tk arguments on things like .configure(), so lots of `# type: ignore` used for those.
This commit is contained in:
Athanasius
parent
cc8e0bfd27
commit
8728234625
73
theme.py
73
theme.py
@ -11,6 +11,7 @@ import tkinter as tk
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from os.path import join
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from tkinter import font as tk_font
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from tkinter import ttk
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from typing import TYPE_CHECKING, Callable, Dict, List, Optional, Set, Tuple
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from config import config
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from EDMCLogging import get_main_logger
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@ -18,6 +19,9 @@ from ttkHyperlinkLabel import HyperlinkLabel
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logger = get_main_logger()
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if TYPE_CHECKING:
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def _(x: str) -> str: ...
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if __debug__:
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from traceback import print_exc
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@ -29,7 +33,7 @@ if sys.platform == 'win32':
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import ctypes
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from ctypes.wintypes import DWORD, LPCVOID, LPCWSTR
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AddFontResourceEx = ctypes.windll.gdi32.AddFontResourceExW
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AddFontResourceEx.restypes = [LPCWSTR, DWORD, LPCVOID]
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AddFontResourceEx.restypes = [LPCWSTR, DWORD, LPCVOID] # type: ignore
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FR_PRIVATE = 0x10
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FR_NOT_ENUM = 0x20
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AddFontResourceEx(join(config.respath, u'EUROCAPS.TTF'), FR_PRIVATE, 0)
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@ -119,17 +123,17 @@ elif sys.platform == 'linux':
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class _Theme(object):
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def __init__(self):
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def __init__(self) -> None:
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self.active = None # Starts out with no theme
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self.minwidth = None
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self.widgets = {}
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self.widgets_pair = []
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self.defaults = {}
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self.current = {}
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self.minwidth: Optional[int] = None
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self.widgets: Dict[tk.Widget, Set] = {}
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self.widgets_pair: List = []
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self.defaults: Dict = {}
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self.current: Dict = {}
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self.default_ui_scale = None # None == not yet known
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self.startup_ui_scale = None
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def register(self, widget): # noqa: CCR001, C901
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def register(self, widget: tk.Widget) -> None: # noqa: CCR001, C901
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# Note widget and children for later application of a theme. Note if
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# the widget has explicit fg or bg attributes.
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assert isinstance(widget, tk.Widget) or isinstance(widget, tk.BitmapImage), widget
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@ -193,15 +197,17 @@ class _Theme(object):
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for child in widget.winfo_children():
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self.register(child)
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def register_alternate(self, pair, gridopts):
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def register_alternate(self, pair: Tuple, gridopts: Dict) -> None:
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self.widgets_pair.append((pair, gridopts))
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def button_bind(self, widget, command, image=None):
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def button_bind(
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self, widget: tk.Widget, command: Callable, image: Optional[tk.BitmapImage] = None
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) -> None:
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widget.bind('<Button-1>', command)
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widget.bind('<Enter>', lambda e: self._enter(e, image))
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widget.bind('<Leave>', lambda e: self._leave(e, image))
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def _enter(self, event, image):
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def _enter(self, event: tk.Event, image: Optional[tk.BitmapImage]) -> None:
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widget = event.widget
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if widget and widget['state'] != tk.DISABLED:
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try:
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@ -218,7 +224,7 @@ class _Theme(object):
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except Exception:
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logger.exception(f'Failure configuring image: {image=}')
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def _leave(self, event, image):
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def _leave(self, event: tk.Event, image: Optional[tk.BitmapImage]) -> None:
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widget = event.widget
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if widget and widget['state'] != tk.DISABLED:
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try:
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@ -235,7 +241,7 @@ class _Theme(object):
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logger.exception(f'Failure configuring image: {image=}')
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# Set up colors
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def _colors(self, root, theme):
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def _colors(self, root: tk.Tk, theme: int) -> None:
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style = ttk.Style()
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if sys.platform == 'linux':
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style.theme_use('clam')
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@ -281,10 +287,11 @@ class _Theme(object):
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# Apply current theme to a widget and its children, and register it for future updates
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def update(self, widget):
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def update(self, widget: tk.Widget) -> None:
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assert isinstance(widget, tk.Widget) or isinstance(widget, tk.BitmapImage), widget
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if not self.current:
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return # No need to call this for widgets created in plugin_app()
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self.register(widget)
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self._update_widget(widget)
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if isinstance(widget, tk.Frame) or isinstance(widget, ttk.Frame):
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@ -292,67 +299,67 @@ class _Theme(object):
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self._update_widget(child)
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# Apply current theme to a single widget
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def _update_widget(self, widget): # noqa: CCR001, C901
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def _update_widget(self, widget: tk.Widget) -> None: # noqa: CCR001, C901
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if widget not in self.widgets:
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assert_str = f'{widget.winfo_class()} {widget} "{"text" in widget.keys() and widget["text"]}"'
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raise AssertionError(assert_str)
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attribs = self.widgets.get(widget, [])
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attribs: Set = self.widgets.get(widget, set())
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try:
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if isinstance(widget, tk.BitmapImage):
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# not a widget
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if 'fg' not in attribs:
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widget.configure(foreground=self.current['foreground']),
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widget.configure(foreground=self.current['foreground']), # type: ignore
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if 'bg' not in attribs:
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widget.configure(background=self.current['background'])
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widget.configure(background=self.current['background']) # type: ignore
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elif 'cursor' in widget.keys() and str(widget['cursor']) not in ['', 'arrow']:
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# Hack - highlight widgets like HyperlinkLabel with a non-default cursor
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if 'fg' not in attribs:
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widget.configure(foreground=self.current['highlight']),
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widget.configure(foreground=self.current['highlight']), # type: ignore
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if 'insertbackground' in widget.keys(): # tk.Entry
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widget.configure(insertbackground=self.current['foreground']),
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widget.configure(insertbackground=self.current['foreground']), # type: ignore
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if 'bg' not in attribs:
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widget.configure(background=self.current['background'])
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widget.configure(background=self.current['background']) # type: ignore
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if 'highlightbackground' in widget.keys(): # tk.Entry
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widget.configure(highlightbackground=self.current['background'])
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widget.configure(highlightbackground=self.current['background']) # type: ignore
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if 'font' not in attribs:
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widget.configure(font=self.current['font'])
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widget.configure(font=self.current['font']) # type: ignore
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elif 'activeforeground' in widget.keys():
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# e.g. tk.Button, tk.Label, tk.Menu
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if 'fg' not in attribs:
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widget.configure(foreground=self.current['foreground'],
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widget.configure(foreground=self.current['foreground'], # type: ignore
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activeforeground=self.current['activeforeground'],
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disabledforeground=self.current['disabledforeground'])
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if 'bg' not in attribs:
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widget.configure(background=self.current['background'],
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widget.configure(background=self.current['background'], # type: ignore
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activebackground=self.current['activebackground'])
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if sys.platform == 'darwin' and isinstance(widget, tk.Button):
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widget.configure(highlightbackground=self.current['background'])
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widget.configure(highlightbackground=self.current['background']) # type: ignore
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if 'font' not in attribs:
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widget.configure(font=self.current['font'])
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widget.configure(font=self.current['font']) # type: ignore
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elif 'foreground' in widget.keys():
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# e.g. ttk.Label
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if 'fg' not in attribs:
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widget.configure(foreground=self.current['foreground']),
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widget.configure(foreground=self.current['foreground']), # type: ignore
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if 'bg' not in attribs:
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widget.configure(background=self.current['background'])
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widget.configure(background=self.current['background']) # type: ignore
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if 'font' not in attribs:
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widget.configure(font=self.current['font'])
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widget.configure(font=self.current['font']) # type: ignore
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elif 'background' in widget.keys() or isinstance(widget, tk.Canvas):
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# e.g. Frame, Canvas
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if 'bg' not in attribs:
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widget.configure(background=self.current['background'],
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widget.configure(background=self.current['background'], # type: ignore
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highlightbackground=self.current['disabledforeground'])
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except Exception:
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@ -360,7 +367,7 @@ class _Theme(object):
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# Apply configured theme
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def apply(self, root): # noqa: CCR001
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def apply(self, root: tk.Tk) -> None: # noqa: CCR001
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theme = config.get_int('theme')
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self._colors(root, theme)
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@ -411,7 +418,7 @@ class _Theme(object):
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GetWindowLongW = ctypes.windll.user32.GetWindowLongW # noqa: N806 # ctypes
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SetWindowLongW = ctypes.windll.user32.SetWindowLongW # noqa: N806 # ctypes
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root.overrideredirect(theme and 1 or 0)
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root.overrideredirect(theme and True or False)
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root.attributes("-transparentcolor", theme > 1 and 'grey4' or '')
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root.withdraw()
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root.update_idletasks() # Size and windows styles get recalculated here
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