mirror of
https://github.com/TomSchimansky/CustomTkinter.git
synced 2023-08-10 21:13:13 +03:00
235 lines
10 KiB
Python
235 lines
10 KiB
Python
import tkinter
|
|
import tkinter.ttk as ttk
|
|
import copy
|
|
import re
|
|
from typing import Callable, Union
|
|
|
|
try:
|
|
from typing import TypedDict
|
|
except ImportError:
|
|
from typing_extensions import TypedDict
|
|
|
|
from ..windows.ctk_tk import CTk
|
|
from ..windows.ctk_toplevel import CTkToplevel
|
|
from ..appearance_mode_tracker import AppearanceModeTracker
|
|
from ..scaling_tracker import ScalingTracker
|
|
from ..theme_manager import ThemeManager
|
|
|
|
|
|
class CTkBaseClass(tkinter.Frame):
|
|
""" Base class of every CTk widget, handles the dimensions, bg_color,
|
|
appearance_mode changes, scaling, bg changes of master if master is not a CTk widget """
|
|
|
|
def __init__(self,
|
|
*args,
|
|
bg_color: Union[str, tuple] = None,
|
|
width: int,
|
|
height: int,
|
|
**kwargs):
|
|
|
|
super().__init__(*args, width=width, height=height, **kwargs) # set desired size of underlying tkinter.Frame
|
|
|
|
# dimensions
|
|
self._current_width = width # _current_width and _current_height in pixel, represent current size of the widget
|
|
self._current_height = height # _current_width and _current_height are independent of the scale
|
|
self._desired_width = width # _desired_width and _desired_height, represent desired size set by width and height
|
|
self._desired_height = height
|
|
|
|
# scaling
|
|
ScalingTracker.add_widget(self.set_scaling, self) # add callback for automatic scaling changes
|
|
self._widget_scaling = ScalingTracker.get_widget_scaling(self)
|
|
self._spacing_scaling = ScalingTracker.get_spacing_scaling(self)
|
|
|
|
super().configure(width=self.apply_widget_scaling(self._desired_width),
|
|
height=self.apply_widget_scaling(self._desired_height))
|
|
|
|
# save latest geometry function and kwargs
|
|
class GeometryCallDict(TypedDict):
|
|
function: Callable
|
|
kwargs: dict
|
|
|
|
self._last_geometry_manager_call: Union[GeometryCallDict, None] = None
|
|
|
|
# add set_appearance_mode method to callback list of AppearanceModeTracker for appearance mode changes
|
|
AppearanceModeTracker.add(self.set_appearance_mode, self)
|
|
self._appearance_mode = AppearanceModeTracker.get_mode() # 0: "Light" 1: "Dark"
|
|
|
|
# background color
|
|
self.bg_color = self.detect_color_of_master() if bg_color is None else bg_color
|
|
|
|
super().configure(bg=ThemeManager.single_color(self.bg_color, self._appearance_mode))
|
|
|
|
# overwrite configure methods of master when master is tkinter widget, so that bg changes get applied on child CTk widget as well
|
|
if isinstance(self.master, (tkinter.Tk, tkinter.Toplevel, tkinter.Frame)) and not isinstance(self.master, (CTkBaseClass, CTk, CTkToplevel)):
|
|
master_old_configure = self.master.config
|
|
|
|
def new_configure(*args, **kwargs):
|
|
if "bg" in kwargs:
|
|
self.configure(bg_color=kwargs["bg"])
|
|
elif "background" in kwargs:
|
|
self.configure(bg_color=kwargs["background"])
|
|
|
|
# args[0] is dict when attribute gets changed by widget[<attribute>] syntax
|
|
elif len(args) > 0 and type(args[0]) == dict:
|
|
if "bg" in args[0]:
|
|
self.configure(bg_color=args[0]["bg"])
|
|
elif "background" in args[0]:
|
|
self.configure(bg_color=args[0]["background"])
|
|
master_old_configure(*args, **kwargs)
|
|
|
|
self.master.config = new_configure
|
|
self.master.configure = new_configure
|
|
|
|
def destroy(self):
|
|
AppearanceModeTracker.remove(self.set_appearance_mode)
|
|
super().destroy()
|
|
|
|
def place(self, **kwargs):
|
|
self._last_geometry_manager_call = {"function": super().place, "kwargs": kwargs}
|
|
super().place(**self.apply_argument_scaling(kwargs))
|
|
|
|
def pack(self, **kwargs):
|
|
self._last_geometry_manager_call = {"function": super().pack, "kwargs": kwargs}
|
|
super().pack(**self.apply_argument_scaling(kwargs))
|
|
|
|
def grid(self, **kwargs):
|
|
self._last_geometry_manager_call = {"function": super().grid, "kwargs": kwargs}
|
|
super().grid(**self.apply_argument_scaling(kwargs))
|
|
|
|
def apply_argument_scaling(self, kwargs: dict) -> dict:
|
|
scaled_kwargs = copy.copy(kwargs)
|
|
|
|
if "pady" in scaled_kwargs:
|
|
if isinstance(scaled_kwargs["pady"], (int, float, str)):
|
|
scaled_kwargs["pady"] = self.apply_spacing_scaling(scaled_kwargs["pady"])
|
|
elif isinstance(scaled_kwargs["pady"], tuple):
|
|
scaled_kwargs["pady"] = tuple([self.apply_spacing_scaling(v) for v in scaled_kwargs["pady"]])
|
|
if "padx" in kwargs:
|
|
if isinstance(scaled_kwargs["padx"], (int, float, str)):
|
|
scaled_kwargs["padx"] = self.apply_spacing_scaling(scaled_kwargs["padx"])
|
|
elif isinstance(scaled_kwargs["padx"], tuple):
|
|
scaled_kwargs["padx"] = tuple([self.apply_spacing_scaling(v) for v in scaled_kwargs["padx"]])
|
|
|
|
if "x" in scaled_kwargs:
|
|
scaled_kwargs["x"] = self.apply_spacing_scaling(scaled_kwargs["x"])
|
|
if "y" in scaled_kwargs:
|
|
scaled_kwargs["y"] = self.apply_spacing_scaling(scaled_kwargs["y"])
|
|
|
|
return scaled_kwargs
|
|
|
|
def configure(self, require_redraw=False, **kwargs):
|
|
""" basic configure with bg_color support, to be overridden """
|
|
|
|
if "bg_color" in kwargs:
|
|
new_bg_color = kwargs.pop("bg_color")
|
|
if new_bg_color is None:
|
|
self.bg_color = self.detect_color_of_master()
|
|
else:
|
|
self.bg_color = new_bg_color
|
|
require_redraw = True
|
|
|
|
super().configure(**kwargs)
|
|
|
|
if require_redraw:
|
|
self.draw()
|
|
|
|
def update_dimensions_event(self, event):
|
|
# only redraw if dimensions changed (for performance), independent of scaling
|
|
if round(self._current_width) != round(event.width / self._widget_scaling) or round(self._current_height) != round(event.height / self._widget_scaling):
|
|
self._current_width = (event.width / self._widget_scaling) # adjust current size according to new size given by event
|
|
self._current_height = (event.height / self._widget_scaling) # _current_width and _current_height are independent of the scale
|
|
|
|
self.draw(no_color_updates=True) # faster drawing without color changes
|
|
|
|
def detect_color_of_master(self, master_widget=None):
|
|
""" detect color of self.master widget to set correct bg_color """
|
|
|
|
if master_widget is None:
|
|
master_widget = self.master
|
|
|
|
if isinstance(master_widget, (CTkBaseClass, CTk, CTkToplevel)) and hasattr(master_widget, "fg_color"):
|
|
if master_widget.fg_color is not None:
|
|
return master_widget.fg_color
|
|
|
|
# if fg_color of master is None, try to retrieve fg_color from master of master
|
|
elif hasattr(master_widget.master, "master"):
|
|
return self.detect_color_of_master(master_widget.master)
|
|
|
|
elif isinstance(master_widget, (ttk.Frame, ttk.LabelFrame, ttk.Notebook, ttk.Label)): # master is ttk widget
|
|
try:
|
|
ttk_style = ttk.Style()
|
|
return ttk_style.lookup(master_widget.winfo_class(), 'background')
|
|
except Exception:
|
|
return "#FFFFFF", "#000000"
|
|
|
|
else: # master is normal tkinter widget
|
|
try:
|
|
return master_widget.cget("bg") # try to get bg color by .cget() method
|
|
except Exception:
|
|
return "#FFFFFF", "#000000"
|
|
|
|
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
|
|
|
|
self.draw()
|
|
|
|
def set_scaling(self, new_widget_scaling, new_spacing_scaling, new_window_scaling):
|
|
self._widget_scaling = new_widget_scaling
|
|
self._spacing_scaling = new_spacing_scaling
|
|
|
|
super().configure(width=self.apply_widget_scaling(self._desired_width),
|
|
height=self.apply_widget_scaling(self._desired_height))
|
|
|
|
if self._last_geometry_manager_call is not None:
|
|
self._last_geometry_manager_call["function"](**self.apply_argument_scaling(self._last_geometry_manager_call["kwargs"]))
|
|
|
|
def set_dimensions(self, width=None, height=None):
|
|
if width is not None:
|
|
self._desired_width = width
|
|
if height is not None:
|
|
self._desired_height = height
|
|
|
|
super().configure(width=self.apply_widget_scaling(self._desired_width),
|
|
height=self.apply_widget_scaling(self._desired_height))
|
|
|
|
def apply_widget_scaling(self, value: Union[int, float, str]) -> Union[float, str]:
|
|
if isinstance(value, (int, float)):
|
|
return value * self._widget_scaling
|
|
else:
|
|
return value
|
|
|
|
def apply_spacing_scaling(self, value: Union[int, float, str]) -> Union[float, str]:
|
|
if isinstance(value, (int, float)):
|
|
return value * self._spacing_scaling
|
|
else:
|
|
return value
|
|
|
|
def apply_font_scaling(self, font):
|
|
if type(font) == tuple or type(font) == list:
|
|
font_list = list(font)
|
|
for i in range(len(font_list)):
|
|
if (type(font_list[i]) == int or type(font_list[i]) == float) and font_list[i] < 0:
|
|
font_list[i] = int(font_list[i] * self._widget_scaling)
|
|
return tuple(font_list)
|
|
|
|
elif type(font) == str:
|
|
for negative_number in re.findall(r" -\d* ", font):
|
|
font = font.replace(negative_number, f" {int(int(negative_number) * self._widget_scaling)} ")
|
|
return font
|
|
|
|
elif isinstance(font, tkinter.font.Font):
|
|
new_font_object = copy.copy(font)
|
|
if font.cget("size") < 0:
|
|
new_font_object.config(size=int(font.cget("size") * self._widget_scaling))
|
|
return new_font_object
|
|
|
|
else:
|
|
return font
|
|
|
|
def draw(self, no_color_updates: bool = False):
|
|
""" abstract of draw method to be overridden """
|
|
pass
|