import tkinter import sys from .ctk_canvas import CTkCanvas from ..theme_manager import CTkThemeManager from ..ctk_settings import CTkSettings from ..ctk_draw_engine import CTkDrawEngine from .widget_base_class import CTkBaseClass class CTkCheckBox(CTkBaseClass): """ tkinter custom checkbox with border, rounded corners and hover effect """ def __init__(self, *args, bg_color=None, fg_color="default_theme", hover_color="default_theme", border_color="default_theme", border_width="default_theme", checkmark_color="default_theme", width=24, height=24, corner_radius="default_theme", text_font="default_theme", text_color="default_theme", text="CTkCheckBox", text_color_disabled="default_theme", hover=True, command=None, state=tkinter.NORMAL, onvalue=1, offvalue=0, variable=None, textvariable=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 = CTkThemeManager.theme["color"]["button"] if fg_color == "default_theme" else fg_color self.hover_color = CTkThemeManager.theme["color"]["button_hover"] if hover_color == "default_theme" else hover_color self.border_color = CTkThemeManager.theme["color"]["checkbox_border"] if border_color == "default_theme" else border_color self.checkmark_color = CTkThemeManager.theme["color"]["checkmark"] if checkmark_color == "default_theme" else checkmark_color # shape self.corner_radius = CTkThemeManager.theme["shape"]["checkbox_corner_radius"] if corner_radius == "default_theme" else corner_radius self.border_width = CTkThemeManager.theme["shape"]["checkbox_border_width"] if border_width == "default_theme" else border_width # text self.text = text self.text_label = None self.text_color = CTkThemeManager.theme["color"]["text"] if text_color == "default_theme" else text_color self.text_color_disabled = CTkThemeManager.theme["color"]["text_disabled"] if text_color_disabled == "default_theme" else text_color_disabled self.text_font = (CTkThemeManager.theme["text"]["font"], CTkThemeManager.theme["text"]["size"]) if text_font == "default_theme" else text_font # callback and hover functionality self.function = command self.state = state self.hover = hover self.check_state = False self.onvalue = onvalue self.offvalue = offvalue self.variable: tkinter.Variable = variable self.variable_callback_blocked = False self.textvariable = textvariable self.variable_callback_name = None # configure grid system (1x3) 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.grid_rowconfigure(0, weight=1) self.bg_canvas = CTkCanvas(master=self, highlightthickness=0, width=self.apply_widget_scaling(self.desired_width), height=self.apply_widget_scaling(self.desired_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.desired_width), height=self.apply_widget_scaling(self.desired_height)) self.canvas.grid(row=0, column=0, padx=0, pady=0, columnspan=1, rowspan=1) self.draw_engine = CTkDrawEngine(self.canvas, CTkSettings.preferred_drawing_method) if self.hover is True: self.canvas.bind("", self.on_enter) self.canvas.bind("", self.on_leave) self.canvas.bind("", self.toggle) self.canvas.bind("", self.toggle) # set select state according to variable if self.variable is not None: self.variable_callback_name = self.variable.trace_add("write", self.variable_callback) if self.variable.get() == self.onvalue: self.select(from_variable_callback=True) elif self.variable.get() == self.offvalue: self.deselect(from_variable_callback=True) self.set_cursor() self.draw() # initial draw 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)) if self.check_state is True: self.draw_engine.draw_checkmark(self.apply_widget_scaling(self.current_width), self.apply_widget_scaling(self.current_height), self.apply_widget_scaling(self.current_height * 0.58)) else: self.canvas.delete("checkmark") self.bg_canvas.configure(bg=CTkThemeManager.single_color(self.bg_color, self.appearance_mode)) self.canvas.configure(bg=CTkThemeManager.single_color(self.bg_color, self.appearance_mode)) if self.check_state is True: self.canvas.itemconfig("inner_parts", outline=CTkThemeManager.single_color(self.fg_color, self.appearance_mode), fill=CTkThemeManager.single_color(self.fg_color, self.appearance_mode)) self.canvas.itemconfig("border_parts", outline=CTkThemeManager.single_color(self.fg_color, self.appearance_mode), fill=CTkThemeManager.single_color(self.fg_color, self.appearance_mode)) if "create_line" in self.canvas.gettags("checkmark"): self.canvas.itemconfig("checkmark", fill=CTkThemeManager.single_color(self.checkmark_color, self.appearance_mode)) else: self.canvas.itemconfig("checkmark", fill=CTkThemeManager.single_color(self.checkmark_color, self.appearance_mode)) else: self.canvas.itemconfig("inner_parts", outline=CTkThemeManager.single_color(self.bg_color, self.appearance_mode), fill=CTkThemeManager.single_color(self.bg_color, self.appearance_mode)) self.canvas.itemconfig("border_parts", outline=CTkThemeManager.single_color(self.border_color, self.appearance_mode), fill=CTkThemeManager.single_color(self.border_color, self.appearance_mode)) if self.text_label is None: self.text_label = tkinter.Label(master=self, bd=0, text=self.text, justify=tkinter.LEFT, font=self.apply_font_scaling(self.text_font)) self.text_label.grid(row=0, column=2, padx=0, pady=0, sticky="w") self.text_label["anchor"] = "w" if self.state == tkinter.DISABLED: self.text_label.configure(fg=(CTkThemeManager.single_color(self.text_color_disabled, self.appearance_mode))) else: self.text_label.configure(fg=CTkThemeManager.single_color(self.text_color, self.appearance_mode)) self.text_label.configure(bg=CTkThemeManager.single_color(self.bg_color, self.appearance_mode)) self.set_text(self.text) def configure(self, *args, **kwargs): require_redraw = False # some attribute changes require a call of self.draw() if "text" in kwargs: self.set_text(kwargs["text"]) del kwargs["text"] if "state" in kwargs: self.state = kwargs["state"] self.set_cursor() require_redraw = True del kwargs["state"] if "fg_color" in kwargs: self.fg_color = kwargs["fg_color"] require_redraw = True del kwargs["fg_color"] if "bg_color" in kwargs: if kwargs["bg_color"] is None: self.bg_color = self.detect_color_of_master() else: self.bg_color = kwargs["bg_color"] require_redraw = True del kwargs["bg_color"] if "hover_color" in kwargs: self.hover_color = kwargs["hover_color"] require_redraw = True del kwargs["hover_color"] if "text_color" in kwargs: self.text_color = kwargs["text_color"] require_redraw = True del kwargs["text_color"] if "border_color" in kwargs: self.border_color = kwargs["border_color"] require_redraw = True del kwargs["border_color"] if "command" in kwargs: self.function = kwargs["command"] del kwargs["command"] if "variable" in kwargs: if self.variable is not None: self.variable.trace_remove("write", self.variable_callback_name) self.variable = kwargs["variable"] if self.variable is not None and self.variable != "": self.variable_callback_name = self.variable.trace_add("write", self.variable_callback) if self.variable.get() == self.onvalue: self.select(from_variable_callback=True) elif self.variable.get() == self.offvalue: self.deselect(from_variable_callback=True) else: self.variable = None del kwargs["variable"] super().configure(*args, **kwargs) if require_redraw: self.draw() def set_cursor(self): if CTkSettings.cursor_manipulation_enabled: if self.state == tkinter.DISABLED: if sys.platform == "darwin" and CTkSettings.cursor_manipulation_enabled: self.canvas.configure(cursor="arrow") elif sys.platform.startswith("win") and CTkSettings.cursor_manipulation_enabled: self.canvas.configure(cursor="arrow") elif self.state == tkinter.NORMAL: if sys.platform == "darwin" and CTkSettings.cursor_manipulation_enabled: self.canvas.configure(cursor="pointinghand") elif sys.platform.startswith("win") and CTkSettings.cursor_manipulation_enabled: self.canvas.configure(cursor="hand2") def set_text(self, text): self.text = text if self.text_label is not None: self.text_label.configure(text=self.text) else: sys.stderr.write("ERROR (CTkButton): Cant change text because checkbox has no text.") def on_enter(self, event=0): if self.hover is True and self.state == tkinter.NORMAL: if self.check_state is True: self.canvas.itemconfig("inner_parts", fill=CTkThemeManager.single_color(self.hover_color, self.appearance_mode), outline=CTkThemeManager.single_color(self.hover_color, self.appearance_mode)) self.canvas.itemconfig("border_parts", fill=CTkThemeManager.single_color(self.hover_color, self.appearance_mode), outline=CTkThemeManager.single_color(self.hover_color, self.appearance_mode)) else: self.canvas.itemconfig("inner_parts", fill=CTkThemeManager.single_color(self.hover_color, self.appearance_mode), outline=CTkThemeManager.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("inner_parts", fill=CTkThemeManager.single_color(self.fg_color, self.appearance_mode), outline=CTkThemeManager.single_color(self.fg_color, self.appearance_mode)) self.canvas.itemconfig("border_parts", fill=CTkThemeManager.single_color(self.fg_color, self.appearance_mode), outline=CTkThemeManager.single_color(self.fg_color, self.appearance_mode)) else: self.canvas.itemconfig("inner_parts", fill=CTkThemeManager.single_color(self.bg_color, self.appearance_mode), outline=CTkThemeManager.single_color(self.bg_color, self.appearance_mode)) self.canvas.itemconfig("border_parts", fill=CTkThemeManager.single_color(self.border_color, self.appearance_mode), outline=CTkThemeManager.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.onvalue: self.select(from_variable_callback=True) elif self.variable.get() == self.offvalue: self.deselect(from_variable_callback=True) def toggle(self, event=0): if self.state == tkinter.NORMAL: if self.check_state is True: self.check_state = False self.draw() else: self.check_state = True self.draw() if self.function is not None: self.function() 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 def select(self, from_variable_callback=False): self.check_state = True self.draw() if self.function is not None: self.function() 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): self.check_state = False self.draw() if self.function is not None: self.function() 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