import tkinter import sys from typing import Union, Tuple, Callable from .ctk_canvas import CTkCanvas from ..theme_manager import ThemeManager from ..settings import Settings from ..draw_engine import DrawEngine from .widget_base_class import CTkBaseClass class CTkRadioButton(CTkBaseClass): """ Radiobutton with rounded corners, border, label, variable support, command. For detailed information check out the documentation. """ def __init__(self, *args, bg_color: Union[str, Tuple[str, str], None] = None, fg_color: Union[str, Tuple[str, str]] = "default_theme", hover_color: Union[str, Tuple[str, str]] = "default_theme", border_color: Union[str, Tuple[str, str]] = "default_theme", border_width_unchecked: Union[int, str] = "default_theme", border_width_checked: Union[int, str] = "default_theme", width: int = 22, height: int = 22, corner_radius: Union[int, str] = "default_theme", text_font: any = "default_theme", text_color: Union[str, Tuple[str, str]] = "default_theme", text: str = "CTkRadioButton", text_color_disabled: Union[str, Tuple[str, str]] = "default_theme", hover: bool = True, command: Callable = None, state: str = tkinter.NORMAL, value: Union[int, str] = 0, variable: tkinter.Variable = None, textvariable: tkinter.Variable = None, **kwargs): # transfer basic functionality (_bg_color, size, _appearance_mode, scaling) to CTkBaseClass super().__init__(*args, bg_color=bg_color, width=width, height=height, **kwargs) # color self._fg_color = ThemeManager.theme["color"]["button"] if fg_color == "default_theme" else fg_color self._hover_color = ThemeManager.theme["color"]["button_hover"] if hover_color == "default_theme" else hover_color self._border_color = ThemeManager.theme["color"]["checkbox_border"] if border_color == "default_theme" else border_color # shape self._corner_radius = ThemeManager.theme["shape"]["radiobutton_corner_radius"] if corner_radius == "default_theme" else corner_radius self._border_width_unchecked = ThemeManager.theme["shape"]["radiobutton_border_width_unchecked"] if border_width_unchecked == "default_theme" else border_width_unchecked self._border_width_checked = ThemeManager.theme["shape"]["radiobutton_border_width_checked"] if border_width_checked == "default_theme" else border_width_checked self._border_width = self._border_width_unchecked # text self._text = text self._text_label: Union[tkinter.Label, None] = None self._text_color = ThemeManager.theme["color"]["text"] if text_color == "default_theme" else text_color self._text_color_disabled = ThemeManager.theme["color"]["text_disabled"] if text_color_disabled == "default_theme" else text_color_disabled self._text_font = (ThemeManager.theme["text"]["font"], ThemeManager.theme["text"]["size"]) if text_font == "default_theme" else text_font # callback and control variables self._command = command self._state = state self._hover = hover self._check_state: bool = False self._value = value self._variable: tkinter.Variable = variable self._variable_callback_blocked: bool = False self._textvariable = textvariable self._variable_callback_name: Union[str, None] = None # 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, padx=0, pady=0, columnspan=3, rowspan=1, sticky="nswe") self._canvas = CTkCanvas(master=self, highlightthickness=0, width=self._apply_widget_scaling(self._current_width), height=self._apply_widget_scaling(self._current_height)) self._canvas.grid(row=0, column=0, padx=0, pady=0, columnspan=1) self._draw_engine = DrawEngine(self._canvas) self._canvas.bind("", self._on_enter) self._canvas.bind("", self._on_leave) self._canvas.bind("", self.invoke) self._text_label = tkinter.Label(master=self, bd=0, text=self._text, justify=tkinter.LEFT, font=self._apply_font_scaling(self._text_font), textvariable=self._textvariable) self._text_label.grid(row=0, column=2, padx=0, pady=0, sticky="w") self._text_label["anchor"] = "w" self._text_label.bind("", self._on_enter) self._text_label.bind("", self._on_leave) self._text_label.bind("", self.invoke) if self._variable is not None: self._variable_callback_name = self._variable.trace_add("write", self._variable_callback) self._check_state = True if self._variable.get() == self._value 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._text_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._desired_width), height=self._apply_widget_scaling(self._desired_height)) self._draw() def destroy(self): if self._variable is not None: self._variable.trace_remove("write", self._variable_callback_name) super().destroy() def _draw(self, no_color_updates=False): requires_recoloring = self._draw_engine.draw_rounded_rect_with_border(self._apply_widget_scaling(self._current_width), self._apply_widget_scaling(self._current_height), self._apply_widget_scaling(self._corner_radius), self._apply_widget_scaling(self._border_width)) self._bg_canvas.configure(bg=ThemeManager.single_color(self._bg_color, self._appearance_mode)) self._canvas.configure(bg=ThemeManager.single_color(self._bg_color, self._appearance_mode)) if self._check_state is False: self._canvas.itemconfig("border_parts", outline=ThemeManager.single_color(self._border_color, self._appearance_mode), fill=ThemeManager.single_color(self._border_color, self._appearance_mode)) else: self._canvas.itemconfig("border_parts", outline=ThemeManager.single_color(self._fg_color, self._appearance_mode), fill=ThemeManager.single_color(self._fg_color, self._appearance_mode)) self._canvas.itemconfig("inner_parts", outline=ThemeManager.single_color(self._bg_color, self._appearance_mode), fill=ThemeManager.single_color(self._bg_color, self._appearance_mode)) if self._state == tkinter.DISABLED: self._text_label.configure(fg=ThemeManager.single_color(self._text_color_disabled, self._appearance_mode)) else: self._text_label.configure(fg=ThemeManager.single_color(self._text_color, self._appearance_mode)) self._text_label.configure(bg=ThemeManager.single_color(self._bg_color, self._appearance_mode)) def configure(self, require_redraw=False, **kwargs): if "text" in kwargs: self._text = kwargs.pop("text") self._text_label.configure(text=self._text) if "text_font" in kwargs: self._text_font = kwargs.pop("text_font") self._text_label.configure(font=self._apply_font_scaling(self._text_font)) if "state" in kwargs: self._state = kwargs.pop("state") self._set_cursor() require_redraw = True if "fg_color" in kwargs: self._fg_color = kwargs.pop("fg_color") require_redraw = True if "hover_color" in kwargs: self._hover_color = kwargs.pop("hover_color") require_redraw = True if "text_color" in kwargs: self._text_color = kwargs.pop("text_color") require_redraw = True if "border_color" in kwargs: self._border_color = kwargs.pop("border_color") require_redraw = True if "border_width" in kwargs: self._border_width = kwargs.pop("border_width") require_redraw = True 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: 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._value else False require_redraw = True super().configure(require_redraw=require_redraw, **kwargs) def _set_cursor(self): if Settings.cursor_manipulation_enabled: if self._state == tkinter.DISABLED: if sys.platform == "darwin" and Settings.cursor_manipulation_enabled: self._canvas.configure(cursor="arrow") if self._text_label is not None: self._text_label.configure(cursor="arrow") elif sys.platform.startswith("win") and Settings.cursor_manipulation_enabled: 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" and Settings.cursor_manipulation_enabled: self._canvas.configure(cursor="pointinghand") if self._text_label is not None: self._text_label.configure(cursor="pointinghand") elif sys.platform.startswith("win") and Settings.cursor_manipulation_enabled: self._canvas.configure(cursor="hand2") if self._text_label is not None: self._text_label.configure(cursor="hand2") def _on_enter(self, event=0): if self._hover is True and self._state == tkinter.NORMAL: self._canvas.itemconfig("border_parts", fill=ThemeManager.single_color(self._hover_color, self._appearance_mode), outline=ThemeManager.single_color(self._hover_color, self._appearance_mode)) def _on_leave(self, event=0): if self._hover is True: if self._check_state is True: self._canvas.itemconfig("border_parts", fill=ThemeManager.single_color(self._fg_color, self._appearance_mode), outline=ThemeManager.single_color(self._fg_color, self._appearance_mode)) else: self._canvas.itemconfig("border_parts", fill=ThemeManager.single_color(self._border_color, self._appearance_mode), outline=ThemeManager.single_color(self._border_color, self._appearance_mode)) def _variable_callback(self, var_name, index, mode): if not self._variable_callback_blocked: if self._variable.get() == self._value: self.select(from_variable_callback=True) else: self.deselect(from_variable_callback=True) def invoke(self, event=0): if self._state == tkinter.NORMAL: if self._check_state is False: self._check_state = True self.select() if self._command is not None: self._command() def select(self, from_variable_callback=False): self._check_state = True self._border_width = self._border_width_checked self._draw() if self._variable is not None and not from_variable_callback: self._variable_callback_blocked = True self._variable.set(self._value) self._variable_callback_blocked = False def deselect(self, from_variable_callback=False): self._check_state = False self._border_width = self._border_width_unchecked self._draw() if self._variable is not None and not from_variable_callback: self._variable_callback_blocked = True self._variable.set("") self._variable_callback_blocked = False