import tkinter import sys 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 CTkSwitch(CTkBaseClass): def __init__(self, *args, text="CTkSwitch", text_font="default_theme", text_color="default_theme", text_color_disabled="default_theme", bg_color=None, border_color=None, fg_color="default_theme", progress_color="default_theme", button_color="default_theme", button_hover_color="default_theme", width=36, height=18, corner_radius="default_theme", # button_corner_radius="default_theme", border_width="default_theme", button_length="default_theme", command=None, onvalue=1, offvalue=0, variable=None, textvariable=None, state=tkinter.NORMAL, **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.border_color = border_color self.fg_color = ThemeManager.theme["color"]["switch"] if fg_color == "default_theme" else fg_color self.progress_color = ThemeManager.theme["color"]["switch_progress"] if progress_color == "default_theme" else progress_color self.button_color = ThemeManager.theme["color"]["switch_button"] if button_color == "default_theme" else button_color self.button_hover_color = ThemeManager.theme["color"]["switch_button_hover"] if button_hover_color == "default_theme" else button_hover_color 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 # text self.text = text self.text_label = None self.text_font = (ThemeManager.theme["text"]["font"], ThemeManager.theme["text"]["size"]) if text_font == "default_theme" else text_font # shape self.corner_radius = ThemeManager.theme["shape"]["switch_corner_radius"] if corner_radius == "default_theme" else corner_radius # self.button_corner_radius = ThemeManager.theme["shape"]["switch_button_corner_radius"] if button_corner_radius == "default_theme" else button_corner_radius self.border_width = ThemeManager.theme["shape"]["switch_border_width"] if border_width == "default_theme" else border_width self.button_length = ThemeManager.theme["shape"]["switch_button_length"] if button_length == "default_theme" else button_length self.hover_state = False self.check_state = False # True if switch is activated self.state = state self.onvalue = onvalue self.offvalue = offvalue # callback and control variables self.command = command self.variable: tkinter.Variable = variable self.variable_callback_blocked = False self.variable_callback_name = None self.textvariable = textvariable # configure grid system (3x1) self.grid_columnconfigure(0, weight=1) self.grid_columnconfigure(1, weight=0, minsize=self.apply_widget_scaling(6)) self.grid_columnconfigure(2, weight=0) 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, sticky="nswe") self.draw_engine = DrawEngine(self.canvas) self.canvas.bind("", self.on_enter) self.canvas.bind("", self.on_leave) self.canvas.bind("", self.toggle) 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.toggle) 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 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): # remove variable_callback from variable callbacks if variable exists if self.variable is not None: self.variable.trace_remove("write", self.variable_callback_name) super().destroy() 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 draw(self, no_color_updates=False): if self.check_state is True: requires_recoloring = self.draw_engine.draw_rounded_slider_with_border_and_button(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.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._current_width), self.apply_widget_scaling(self._current_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=ThemeManager.single_color(self.bg_color, self._appearance_mode)) self.canvas.configure(bg=ThemeManager.single_color(self.bg_color, self._appearance_mode)) if self.border_color is None: self.canvas.itemconfig("border_parts", fill=ThemeManager.single_color(self.bg_color, self._appearance_mode), outline=ThemeManager.single_color(self.bg_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)) self.canvas.itemconfig("inner_parts", fill=ThemeManager.single_color(self.fg_color, self._appearance_mode), outline=ThemeManager.single_color(self.fg_color, self._appearance_mode)) if self.progress_color is None: self.canvas.itemconfig("progress_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("progress_parts", fill=ThemeManager.single_color(self.progress_color, self._appearance_mode), outline=ThemeManager.single_color(self.progress_color, self._appearance_mode)) self.canvas.itemconfig("slider_parts", fill=ThemeManager.single_color(self.button_color, self._appearance_mode), outline=ThemeManager.single_color(self.button_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 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): return self.onvalue if self.check_state is True else self.offvalue def on_enter(self, event=0): self.hover_state = True if self.state is not tkinter.DISABLED: self.canvas.itemconfig("slider_parts", fill=ThemeManager.single_color(self.button_hover_color, self._appearance_mode), outline=ThemeManager.single_color(self.button_hover_color, self._appearance_mode)) def on_leave(self, event=0): self.hover_state = False self.canvas.itemconfig("slider_parts", fill=ThemeManager.single_color(self.button_color, self._appearance_mode), outline=ThemeManager.single_color(self.button_color, self._appearance_mode)) 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 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 "progress_color" in kwargs: new_progress_color = kwargs.pop("progress_color") if new_progress_color is None: self.progress_color = self.fg_color else: self.progress_color = new_progress_color require_redraw = True if "button_color" in kwargs: self.button_color = kwargs.pop("button_color") require_redraw = True if "button_hover_color" in kwargs: self.button_hover_color = kwargs.pop("button_hover_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 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)