mirror of
https://github.com/TomSchimansky/CustomTkinter.git
synced 2023-08-10 21:13:13 +03:00
456 lines
21 KiB
Python
456 lines
21 KiB
Python
import tkinter
|
|
import sys
|
|
from typing import Union, Tuple, Callable, Optional
|
|
|
|
from .core_rendering import CTkCanvas
|
|
from .theme import ThemeManager
|
|
from .core_rendering import DrawEngine
|
|
from .core_widget_classes import CTkBaseClass
|
|
from .font import CTkFont
|
|
|
|
|
|
class CTkSwitch(CTkBaseClass):
|
|
"""
|
|
Switch with rounded corners, border, label, command, variable support.
|
|
For detailed information check out the documentation.
|
|
"""
|
|
|
|
def __init__(self,
|
|
master: any,
|
|
width: int = 100,
|
|
height: int = 24,
|
|
switch_width: int = 36,
|
|
switch_height: int = 18,
|
|
corner_radius: Optional[int] = None,
|
|
border_width: Optional[int] = None,
|
|
button_length: Optional[int] = None,
|
|
|
|
bg_color: Union[str, Tuple[str, str]] = "transparent",
|
|
fg_color: Optional[Union[str, Tuple[str, str]]] = None,
|
|
border_color: Union[str, Tuple[str, str]] = "transparent",
|
|
progress_color: Optional[Union[str, Tuple[str, str]]] = None,
|
|
button_color: Optional[Union[str, Tuple[str, str]]] = None,
|
|
button_hover_color: Optional[Union[str, Tuple[str, str]]] = None,
|
|
text_color: Optional[Union[str, Tuple[str, str]]] = None,
|
|
text_color_disabled: Optional[Union[str, Tuple[str, str]]] = None,
|
|
|
|
text: str = "CTkSwitch",
|
|
font: Optional[Union[tuple, CTkFont]] = None,
|
|
textvariable: Union[tkinter.Variable, None] = None,
|
|
onvalue: Union[int, str] = 1,
|
|
offvalue: Union[int, str] = 0,
|
|
variable: Union[tkinter.Variable, None] = None,
|
|
hover: bool = True,
|
|
command: Union[Callable, None] = None,
|
|
state: str = tkinter.NORMAL,
|
|
**kwargs):
|
|
|
|
# transfer basic functionality (_bg_color, size, __appearance_mode, scaling) to CTkBaseClass
|
|
super().__init__(master=master, bg_color=bg_color, width=width, height=height, **kwargs)
|
|
|
|
# dimensions
|
|
self._switch_width = switch_width
|
|
self._switch_height = switch_height
|
|
|
|
# color
|
|
self._border_color = self._check_color_type(border_color, transparency=True)
|
|
self._fg_color = ThemeManager.theme["CTkSwitch"]["fg_Color"] if fg_color is None else self._check_color_type(fg_color)
|
|
self._progress_color = ThemeManager.theme["CTkSwitch"]["progress_color"] if progress_color is None else self._check_color_type(progress_color, transparency=True)
|
|
self._button_color = ThemeManager.theme["CTkSwitch"]["button_color"] if button_color is None else self._check_color_type(button_color)
|
|
self._button_hover_color = ThemeManager.theme["CTkSwitch"]["button_hover_color"] if button_hover_color is None else self._check_color_type(button_hover_color)
|
|
self._text_color = ThemeManager.theme["CTkSwitch"]["text_color"] if text_color is None else self._check_color_type(text_color)
|
|
self._text_color_disabled = ThemeManager.theme["CTkSwitch"]["text_color_disabled"] if text_color_disabled is None else self._check_color_type(text_color_disabled)
|
|
|
|
# text
|
|
self._text = text
|
|
self._text_label = None
|
|
|
|
# font
|
|
self._font = CTkFont() if font is None else self._check_font_type(font)
|
|
if isinstance(self._font, CTkFont):
|
|
self._font.add_size_configure_callback(self._update_font)
|
|
|
|
# shape
|
|
self._corner_radius = ThemeManager.theme["CTkSwitch"]["corner_radius"] if corner_radius is None else corner_radius
|
|
self._border_width = ThemeManager.theme["CTkSwitch"]["border_width"] if border_width is None else border_width
|
|
self._button_length = ThemeManager.theme["CTkSwitch"]["button_length"] if button_length is None else button_length
|
|
self._hover_state: bool = False
|
|
self._check_state: bool = False # True if switch is activated
|
|
self._hover = hover
|
|
self._state = state
|
|
self._onvalue = onvalue
|
|
self._offvalue = offvalue
|
|
|
|
# callback and control variables
|
|
self._command = command
|
|
self._variable = variable
|
|
self._variable_callback_blocked = False
|
|
self._variable_callback_name = None
|
|
self._textvariable = textvariable
|
|
|
|
# configure grid system (3x1)
|
|
self.grid_columnconfigure(0, weight=0)
|
|
self.grid_columnconfigure(1, weight=0, minsize=self._apply_widget_scaling(6))
|
|
self.grid_columnconfigure(2, weight=1)
|
|
|
|
self._bg_canvas = CTkCanvas(master=self,
|
|
highlightthickness=0,
|
|
width=self._apply_widget_scaling(self._current_width),
|
|
height=self._apply_widget_scaling(self._current_height))
|
|
self._bg_canvas.grid(row=0, column=0, columnspan=3, sticky="nswe")
|
|
|
|
self._canvas = CTkCanvas(master=self,
|
|
highlightthickness=0,
|
|
width=self._apply_widget_scaling(self._switch_width),
|
|
height=self._apply_widget_scaling(self._switch_height))
|
|
self._canvas.grid(row=0, column=0, sticky="")
|
|
self._draw_engine = DrawEngine(self._canvas)
|
|
|
|
self._canvas.bind("<Enter>", self._on_enter)
|
|
self._canvas.bind("<Leave>", self._on_leave)
|
|
self._canvas.bind("<Button-1>", self.toggle)
|
|
|
|
self._text_label = tkinter.Label(master=self,
|
|
bd=0,
|
|
padx=0,
|
|
pady=0,
|
|
text=self._text,
|
|
justify=tkinter.LEFT,
|
|
font=self._apply_font_scaling(self._font),
|
|
textvariable=self._textvariable)
|
|
self._text_label.grid(row=0, column=2, sticky="w")
|
|
self._text_label["anchor"] = "w"
|
|
|
|
self._text_label.bind("<Enter>", self._on_enter)
|
|
self._text_label.bind("<Leave>", self._on_leave)
|
|
self._text_label.bind("<Button-1>", self.toggle)
|
|
|
|
if self._variable is not None and self._variable != "":
|
|
self._variable_callback_name = self._variable.trace_add("write", self._variable_callback)
|
|
self.c_heck_state = True if self._variable.get() == self._onvalue else False
|
|
|
|
self._draw() # initial draw
|
|
self._set_cursor()
|
|
|
|
def _set_scaling(self, *args, **kwargs):
|
|
super()._set_scaling(*args, **kwargs)
|
|
|
|
self.grid_columnconfigure(1, weight=0, minsize=self._apply_widget_scaling(6))
|
|
self._text_label.configure(font=self._apply_font_scaling(self._font))
|
|
|
|
self._bg_canvas.configure(width=self._apply_widget_scaling(self._desired_width),
|
|
height=self._apply_widget_scaling(self._desired_height))
|
|
self._canvas.configure(width=self._apply_widget_scaling(self._switch_width),
|
|
height=self._apply_widget_scaling(self._switch_height))
|
|
self._draw(no_color_updates=True)
|
|
|
|
def _set_dimensions(self, width: int = None, height: int = None):
|
|
super()._set_dimensions(width, height)
|
|
|
|
self._bg_canvas.configure(width=self._apply_widget_scaling(self._desired_width),
|
|
height=self._apply_widget_scaling(self._desired_height))
|
|
|
|
def _update_font(self):
|
|
""" pass font to tkinter widgets with applied font scaling and update grid with workaround """
|
|
self._text_label.configure(font=self._apply_font_scaling(self._font))
|
|
|
|
# Workaround to force grid to be resized when text changes size.
|
|
# Otherwise grid will lag and only resizes if other mouse action occurs.
|
|
self._bg_canvas.grid_forget()
|
|
self._bg_canvas.grid(row=0, column=0, columnspan=3, sticky="nswe")
|
|
|
|
def destroy(self):
|
|
# remove variable_callback from variable callbacks if variable exists
|
|
if self._variable is not None:
|
|
self._variable.trace_remove("write", self._variable_callback_name)
|
|
|
|
if isinstance(self._font, CTkFont):
|
|
self._font.remove_size_configure_callback(self._update_font)
|
|
|
|
super().destroy()
|
|
|
|
def _set_cursor(self):
|
|
if self._cursor_manipulation_enabled:
|
|
if self._state == tkinter.DISABLED:
|
|
if sys.platform == "darwin":
|
|
self._canvas.configure(cursor="arrow")
|
|
if self._text_label is not None:
|
|
self._text_label.configure(cursor="arrow")
|
|
elif sys.platform.startswith("win"):
|
|
self._canvas.configure(cursor="arrow")
|
|
if self._text_label is not None:
|
|
self._text_label.configure(cursor="arrow")
|
|
|
|
elif self._state == tkinter.NORMAL:
|
|
if sys.platform == "darwin":
|
|
self._canvas.configure(cursor="pointinghand")
|
|
if self._text_label is not None:
|
|
self._text_label.configure(cursor="pointinghand")
|
|
elif sys.platform.startswith("win"):
|
|
self._canvas.configure(cursor="hand2")
|
|
if self._text_label is not None:
|
|
self._text_label.configure(cursor="hand2")
|
|
|
|
def _draw(self, no_color_updates=False):
|
|
super()._draw(no_color_updates)
|
|
|
|
if self._check_state is True:
|
|
requires_recoloring = self._draw_engine.draw_rounded_slider_with_border_and_button(self._apply_widget_scaling(self._switch_width),
|
|
self._apply_widget_scaling(self._switch_height),
|
|
self._apply_widget_scaling(self._corner_radius),
|
|
self._apply_widget_scaling(self._border_width),
|
|
self._apply_widget_scaling(self._button_length),
|
|
self._apply_widget_scaling(self._corner_radius),
|
|
1, "w")
|
|
else:
|
|
requires_recoloring = self._draw_engine.draw_rounded_slider_with_border_and_button(self._apply_widget_scaling(self._switch_width),
|
|
self._apply_widget_scaling(self._switch_height),
|
|
self._apply_widget_scaling(self._corner_radius),
|
|
self._apply_widget_scaling(self._border_width),
|
|
self._apply_widget_scaling(self._button_length),
|
|
self._apply_widget_scaling(self._corner_radius),
|
|
0, "w")
|
|
|
|
if no_color_updates is False or requires_recoloring:
|
|
self._bg_canvas.configure(bg=self._apply_appearance_mode(self._bg_color))
|
|
self._canvas.configure(bg=self._apply_appearance_mode(self._bg_color))
|
|
|
|
if self._border_color == "transparent":
|
|
self._canvas.itemconfig("border_parts", fill=self._apply_appearance_mode(self._bg_color),
|
|
outline=self._apply_appearance_mode(self._bg_color))
|
|
else:
|
|
self._canvas.itemconfig("border_parts", fill=self._apply_appearance_mode(self._border_color),
|
|
outline=self._apply_appearance_mode(self._border_color))
|
|
|
|
self._canvas.itemconfig("inner_parts", fill=self._apply_appearance_mode(self._fg_color),
|
|
outline=self._apply_appearance_mode(self._fg_color))
|
|
|
|
if self._progress_color == "transparent":
|
|
self._canvas.itemconfig("progress_parts", fill=self._apply_appearance_mode(self._fg_color),
|
|
outline=self._apply_appearance_mode(self._fg_color))
|
|
else:
|
|
self._canvas.itemconfig("progress_parts", fill=self._apply_appearance_mode(self._progress_color),
|
|
outline=self._apply_appearance_mode(self._progress_color))
|
|
|
|
self._canvas.itemconfig("slider_parts", fill=self._apply_appearance_mode(self._button_color),
|
|
outline=self._apply_appearance_mode(self._button_color))
|
|
|
|
if self._state == tkinter.DISABLED:
|
|
self._text_label.configure(fg=(self._apply_appearance_mode(self._text_color_disabled)))
|
|
else:
|
|
self._text_label.configure(fg=self._apply_appearance_mode(self._text_color))
|
|
|
|
self._text_label.configure(bg=self._apply_appearance_mode(self._bg_color))
|
|
|
|
def configure(self, require_redraw=False, **kwargs):
|
|
if "corner_radius" in kwargs:
|
|
self._corner_radius = kwargs.pop("corner_radius")
|
|
require_redraw = True
|
|
|
|
if "border_width" in kwargs:
|
|
self._border_width = kwargs.pop("border_width")
|
|
require_redraw = True
|
|
|
|
if "button_length" in kwargs:
|
|
self._button_length = kwargs.pop("button_length")
|
|
require_redraw = True
|
|
|
|
if "switch_width" in kwargs:
|
|
self._switch_width = kwargs.pop("switch_width")
|
|
self._canvas.configure(width=self._apply_widget_scaling(self._switch_width))
|
|
require_redraw = True
|
|
|
|
if "switch_height" in kwargs:
|
|
self._switch_height = kwargs.pop("switch_height")
|
|
self._canvas.configure(height=self._apply_widget_scaling(self._switch_height))
|
|
require_redraw = True
|
|
|
|
if "text" in kwargs:
|
|
self._text = kwargs.pop("text")
|
|
self._text_label.configure(text=self._text)
|
|
|
|
if "font" in kwargs:
|
|
if isinstance(self._font, CTkFont):
|
|
self._font.remove_size_configure_callback(self._update_font)
|
|
self._font = self._check_font_type(kwargs.pop("font"))
|
|
if isinstance(self._font, CTkFont):
|
|
self._font.add_size_configure_callback(self._update_font)
|
|
|
|
self._update_font()
|
|
|
|
if "state" in kwargs:
|
|
self._state = kwargs.pop("state")
|
|
self._set_cursor()
|
|
require_redraw = True
|
|
|
|
if "fg_color" in kwargs:
|
|
self._fg_color = self._check_color_type(kwargs.pop("fg_color"))
|
|
require_redraw = True
|
|
|
|
if "progress_color" in kwargs:
|
|
self._progress_color = self._check_color_type(kwargs.pop("progress_color"), transparency=True)
|
|
require_redraw = True
|
|
|
|
if "button_color" in kwargs:
|
|
self._button_color = self._check_color_type(kwargs.pop("button_color"))
|
|
require_redraw = True
|
|
|
|
if "button_hover_color" in kwargs:
|
|
self._button_hover_color = self._check_color_type(kwargs.pop("button_hover_color"))
|
|
require_redraw = True
|
|
|
|
if "border_color" in kwargs:
|
|
self._border_color = self._check_color_type(kwargs.pop("border_color"), transparency=True)
|
|
require_redraw = True
|
|
|
|
if "hover" in kwargs:
|
|
self._hover = kwargs.pop("hover")
|
|
|
|
if "command" in kwargs:
|
|
self._command = kwargs.pop("command")
|
|
|
|
if "textvariable" in kwargs:
|
|
self._textvariable = kwargs.pop("textvariable")
|
|
self._text_label.configure(textvariable=self._textvariable)
|
|
|
|
if "variable" in kwargs:
|
|
if self._variable is not None and self._variable != "":
|
|
self._variable.trace_remove("write", self._variable_callback_name)
|
|
|
|
self._variable = kwargs.pop("variable")
|
|
|
|
if self._variable is not None and self._variable != "":
|
|
self._variable_callback_name = self._variable.trace_add("write", self._variable_callback)
|
|
self._check_state = True if self._variable.get() == self._onvalue else False
|
|
require_redraw = True
|
|
|
|
super().configure(require_redraw=require_redraw, **kwargs)
|
|
|
|
def cget(self, attribute_name: str) -> any:
|
|
if attribute_name == "corner_radius":
|
|
return self._corner_radius
|
|
elif attribute_name == "border_width":
|
|
return self._border_width
|
|
elif attribute_name == "button_length":
|
|
return self._button_length
|
|
elif attribute_name == "switch_width":
|
|
return self._switch_width
|
|
elif attribute_name == "switch_height":
|
|
return self._switch_height
|
|
|
|
elif attribute_name == "fg_color":
|
|
return self._fg_color
|
|
elif attribute_name == "border_color":
|
|
return self._border_color
|
|
elif attribute_name == "progress_color":
|
|
return self._progress_color
|
|
elif attribute_name == "button_color":
|
|
return self._button_color
|
|
elif attribute_name == "button_hover_color":
|
|
return self._button_hover_color
|
|
elif attribute_name == "text_color":
|
|
return self._text_color
|
|
elif attribute_name == "text_color_disabled":
|
|
return self._text_color_disabled
|
|
|
|
elif attribute_name == "text":
|
|
return self._text
|
|
elif attribute_name == "font":
|
|
return self._font
|
|
elif attribute_name == "textvariable":
|
|
return self._textvariable
|
|
elif attribute_name == "onvalue":
|
|
return self._onvalue
|
|
elif attribute_name == "offvalue":
|
|
return self._offvalue
|
|
elif attribute_name == "variable":
|
|
return self._variable
|
|
elif attribute_name == "hover":
|
|
return self._hover
|
|
elif attribute_name == "command":
|
|
return self._command
|
|
elif attribute_name == "state":
|
|
return self._state
|
|
|
|
else:
|
|
return super().cget(attribute_name)
|
|
|
|
def toggle(self, event=None):
|
|
if self._state is not tkinter.DISABLED:
|
|
if self._check_state is True:
|
|
self._check_state = False
|
|
else:
|
|
self._check_state = True
|
|
|
|
self._draw(no_color_updates=True)
|
|
|
|
if self._variable is not None:
|
|
self._variable_callback_blocked = True
|
|
self._variable.set(self._onvalue if self._check_state is True else self._offvalue)
|
|
self._variable_callback_blocked = False
|
|
|
|
if self._command is not None:
|
|
self._command()
|
|
|
|
def select(self, from_variable_callback=False):
|
|
if self._state is not tkinter.DISABLED or from_variable_callback:
|
|
self._check_state = True
|
|
|
|
self._draw(no_color_updates=True)
|
|
|
|
if self._variable is not None and not from_variable_callback:
|
|
self._variable_callback_blocked = True
|
|
self._variable.set(self._onvalue)
|
|
self._variable_callback_blocked = False
|
|
|
|
def deselect(self, from_variable_callback=False):
|
|
if self._state is not tkinter.DISABLED or from_variable_callback:
|
|
self._check_state = False
|
|
|
|
self._draw(no_color_updates=True)
|
|
|
|
if self._variable is not None and not from_variable_callback:
|
|
self._variable_callback_blocked = True
|
|
self._variable.set(self._offvalue)
|
|
self._variable_callback_blocked = False
|
|
|
|
def get(self) -> Union[int, str]:
|
|
return self._onvalue if self._check_state is True else self._offvalue
|
|
|
|
def _on_enter(self, event=0):
|
|
if self._hover is True and self._state == "normal":
|
|
self._hover_state = True
|
|
self._canvas.itemconfig("slider_parts",
|
|
fill=self._apply_appearance_mode(self._button_hover_color),
|
|
outline=self._apply_appearance_mode(self._button_hover_color))
|
|
|
|
def _on_leave(self, event=0):
|
|
self._hover_state = False
|
|
self._canvas.itemconfig("slider_parts",
|
|
fill=self._apply_appearance_mode(self._button_color),
|
|
outline=self._apply_appearance_mode(self._button_color))
|
|
|
|
def _variable_callback(self, var_name, index, mode):
|
|
if not self._variable_callback_blocked:
|
|
if self._variable.get() == self._onvalue:
|
|
self.select(from_variable_callback=True)
|
|
elif self._variable.get() == self._offvalue:
|
|
self.deselect(from_variable_callback=True)
|
|
|
|
def bind(self, sequence=None, command=None, add=None):
|
|
""" called on the tkinter.Canvas """
|
|
return self._canvas.bind(sequence, command, add)
|
|
|
|
def unbind(self, sequence, funcid=None):
|
|
""" called on the tkinter.Canvas """
|
|
return self._canvas.unbind(sequence, funcid)
|
|
|
|
def focus(self):
|
|
return self._text_label.focus()
|
|
|
|
def focus_set(self):
|
|
return self._text_label.focus_set()
|
|
|
|
def focus_force(self):
|
|
return self._text_label.focus_force()
|