import tkinter import sys from .customtkinter_tk import CTk from .customtkinter_frame import CTkFrame from .appearance_mode_tracker import AppearanceModeTracker from .customtkinter_color_manager import CTkColorManager class CTkCheckBox(tkinter.Frame): """ tkinter custom checkbox with border, rounded corners and hover effect """ def __init__(self, *args, bg_color=None, fg_color="CTkColorManager", hover_color="CTkColorManager", border_color="CTkColorManager", border_width=3, width=25, height=25, corner_radius=4, text_font=None, text_color="CTkColorManager", text="CTkCheckBox", hover=True, command=None, state=tkinter.NORMAL, onvalue=1, offvalue=0, variable=None, textvariable=None, **kwargs): super().__init__(*args, **kwargs) # overwrite configure methods of master when master is tkinter widget, so that bg changes get applied on child CTk widget too if isinstance(self.master, (tkinter.Tk, tkinter.Frame)) and not isinstance(self.master, (CTk, CTkFrame)): 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[] 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 AppearanceModeTracker.add(self.set_appearance_mode, self) self.appearance_mode = AppearanceModeTracker.get_mode() # 0: "Light" 1: "Dark" self.bg_color = self.detect_color_of_master() if bg_color is None else bg_color self.fg_color = CTkColorManager.MAIN if fg_color == "CTkColorManager" else fg_color self.hover_color = CTkColorManager.MAIN_HOVER if hover_color == "CTkColorManager" else hover_color self.border_color = CTkColorManager.CHECKBOX_LINES if border_color == "CTkColorManager" else border_color self.width = width self.height = height self.corner_radius = self.calc_optimal_corner_radius(corner_radius) # optimise for less artifacts if self.corner_radius*2 > self.height: self.corner_radius = self.height/2 elif self.corner_radius*2 > self.width: self.corner_radius = self.width/2 self.border_width = round(border_width) if self.corner_radius >= self.border_width: self.inner_corner_radius = self.corner_radius - self.border_width else: self.inner_corner_radius = 0 self.text = text self.text_color = CTkColorManager.TEXT if text_color == "CTkColorManager" else text_color if text_font is None: if sys.platform == "darwin": # macOS self.text_font = ("Avenir", 13) elif "win" in sys.platform: # Windows self.text_font = ("Century Gothic", 11) else: self.text_font = ("TkDefaultFont") else: self.text_font = text_font 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.variabel_callback_name = None self.canvas = tkinter.Canvas(master=self, highlightthicknes=0, width=self.width, height=self.height) self.canvas.pack(side='left') if sys.platform == "darwin" and self.state == tkinter.NORMAL: self.canvas.configure(cursor="pointinghand") 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) self.canvas_fg_parts = [] self.canvas_border_parts = [] self.canvas_check_parts = [] self.text_label = None self.draw() # initial draw if self.variable is not None: self.variabel_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) def destroy(self): AppearanceModeTracker.remove(self.set_appearance_mode) if self.variable is not None: self.variable.trace_remove("write", self.variabel_callback_name) super().destroy() def detect_color_of_master(self): if isinstance(self.master, CTkFrame): return self.master.fg_color else: return self.master.cget("bg") @staticmethod def calc_optimal_corner_radius(user_corner_radius): if sys.platform == "darwin": return user_corner_radius # on macOS just use given value (canvas has Antialiasing) else: user_corner_radius = 0.5 * round(user_corner_radius / 0.5) # round to 0.5 steps # make sure the value is always with .5 at the end for smoother corners if user_corner_radius == 0: return 0 elif user_corner_radius % 1 == 0: return user_corner_radius + 0.5 else: return user_corner_radius def draw(self): self.canvas.delete("all") self.canvas_fg_parts = [] self.canvas_border_parts = [] self.canvas_check_parts = [] if type(self.bg_color) == tuple and len(self.bg_color) == 2: self.canvas.configure(bg=self.bg_color[self.appearance_mode]) else: self.canvas.configure(bg=self.bg_color) if sys.platform == "darwin": oval_size_corr_br = 0 else: oval_size_corr_br = -1 # border button parts if self.border_width > 0: if self.corner_radius > 0: self.canvas_border_parts.append(self.canvas.create_oval(0, 0, self.corner_radius * 2 + oval_size_corr_br, self.corner_radius * 2 + oval_size_corr_br)) self.canvas_border_parts.append(self.canvas.create_oval(self.width - self.corner_radius * 2, 0, self.width + oval_size_corr_br, self.corner_radius * 2 + oval_size_corr_br)) self.canvas_border_parts.append(self.canvas.create_oval(0, self.height - self.corner_radius * 2, self.corner_radius * 2 + oval_size_corr_br, self.height + oval_size_corr_br)) self.canvas_border_parts.append(self.canvas.create_oval(self.width - self.corner_radius * 2, self.height - self.corner_radius * 2, self.width + oval_size_corr_br, self.height + oval_size_corr_br)) self.canvas_border_parts.append(self.canvas.create_rectangle(0, self.corner_radius, self.width, self.height - self.corner_radius)) self.canvas_border_parts.append(self.canvas.create_rectangle(self.corner_radius, 0, self.width - self.corner_radius, self.height)) # inner button parts if self.corner_radius > 0: self.canvas_fg_parts.append(self.canvas.create_oval(self.border_width, self.border_width, self.border_width + self.inner_corner_radius * 2 + oval_size_corr_br, self.border_width + self.inner_corner_radius * 2 + oval_size_corr_br)) self.canvas_fg_parts.append(self.canvas.create_oval(self.width - self.border_width - self.inner_corner_radius * 2, self.border_width, self.width - self.border_width + oval_size_corr_br, self.border_width + self.inner_corner_radius * 2 + oval_size_corr_br)) self.canvas_fg_parts.append(self.canvas.create_oval(self.border_width, self.height - self.border_width - self.inner_corner_radius * 2, self.border_width + self.inner_corner_radius * 2 + oval_size_corr_br, self.height-self.border_width + oval_size_corr_br)) self.canvas_fg_parts.append(self.canvas.create_oval(self.width - self.border_width - self.inner_corner_radius * 2, self.height - self.border_width - self.inner_corner_radius * 2, self.width - self.border_width + oval_size_corr_br, self.height - self.border_width + oval_size_corr_br)) self.canvas_fg_parts.append(self.canvas.create_rectangle(self.border_width + self.inner_corner_radius, self.border_width, self.width - self.border_width - self.inner_corner_radius, self.height - self.border_width)) self.canvas_fg_parts.append(self.canvas.create_rectangle(self.border_width, self.border_width + self.inner_corner_radius, self.width - self.border_width, self.height - self.inner_corner_radius - self.border_width)) if self.check_state is False: for part in self.canvas_fg_parts: if type(self.bg_color) == tuple and len(self.bg_color) == 2: self.canvas.itemconfig(part, fill=self.bg_color[self.appearance_mode], width=0) else: self.canvas.itemconfig(part, fill=self.bg_color, outline=self.bg_color, width=0) else: for part in self.canvas_fg_parts: if type(self.fg_color) == tuple and len(self.fg_color) == 2: self.canvas.itemconfig(part, fill=self.fg_color[self.appearance_mode], width=0) else: self.canvas.itemconfig(part, fill=self.fg_color, outline=self.bg_color, width=0) for part in self.canvas_border_parts: if type(self.border_color) == tuple and len(self.border_color) == 2: self.canvas.itemconfig(part, fill=self.border_color[self.appearance_mode], width=0) else: self.canvas.itemconfig(part, fill=self.border_color, outline=self.border_color, width=0) if self.text_label is not None: self.text_label.pack_forget() self.text_label = tkinter.Label(master=self, text=self.text, font=self.text_font) self.text_label.pack(side='right', padx="4") if type(self.text_color) == tuple and len(self.text_color) == 2: self.text_label.configure(fg=self.text_color[self.appearance_mode]) else: self.text_label.configure(fg=self.text_color) if type(self.bg_color) == tuple and len(self.bg_color) == 2: self.configure(bg=self.bg_color[self.appearance_mode]) self.text_label.configure(bg=self.bg_color[self.appearance_mode]) else: self.configure(bg=self.bg_color) self.text_label.configure(bg=self.bg_color) self.set_text(self.text) def config(self, *args, **kwargs): self.configure(*args, **kwargs) 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.set_state(kwargs["state"]) 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.variabel_callback_name) self.variable = kwargs["variable"] if self.variable is not None and self.variable != "": self.variabel_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_state(self, state): self.state = state if self.state == tkinter.DISABLED: self.hover = False if sys.platform == "darwin": self.canvas.configure(cursor="arrow") elif self.state == tkinter.NORMAL: self.hover = True if sys.platform == "darwin": self.canvas.configure(cursor="pointinghand") self.draw() def set_text(self, text): self.text = text if self.text_label is not None: self.text_label.configure(text=self.text, width=len(self.text)) else: sys.stderr.write("ERROR (CTkButton): Cant change text because button has no text.") def on_enter(self, event=0): if self.hover is True: for part in self.canvas_fg_parts: if type(self.hover_color) == tuple and len(self.hover_color) == 2: self.canvas.itemconfig(part, fill=self.hover_color[self.appearance_mode], width=0) else: self.canvas.itemconfig(part, fill=self.hover_color, width=0) def on_leave(self, event=0): if self.hover is True: if self.check_state == True: for part in self.canvas_fg_parts: if type(self.fg_color) == tuple and len(self.fg_color) == 2: self.canvas.itemconfig(part, fill=self.fg_color[self.appearance_mode], width=0) else: self.canvas.itemconfig(part, fill=self.fg_color, width=0) else: for part in self.canvas_fg_parts: if type(self.bg_color) == tuple and len(self.bg_color) == 2: self.canvas.itemconfig(part, fill=self.bg_color[self.appearance_mode], width=0) else: self.canvas.itemconfig(part, fill=self.bg_color, width=0) 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 for part in self.canvas_fg_parts: if type(self.bg_color) == tuple and len(self.bg_color) == 2: self.canvas.itemconfig(part, fill=self.bg_color[self.appearance_mode], width=0) else: self.canvas.itemconfig(part, fill=self.bg_color, width=0) else: self.check_state = True for part in self.canvas_fg_parts: if type(self.fg_color) == tuple and len(self.fg_color) == 2: self.canvas.itemconfig(part, fill=self.fg_color[self.appearance_mode], width=0) else: self.canvas.itemconfig(part, fill=self.fg_color, width=0) 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 for part in self.canvas_fg_parts: if type(self.fg_color) == tuple and len(self.fg_color) == 2: self.canvas.itemconfig(part, fill=self.fg_color[self.appearance_mode], width=0) else: self.canvas.itemconfig(part, fill=self.fg_color, width=0) 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 for part in self.canvas_fg_parts: if type(self.bg_color) == tuple and len(self.bg_color) == 2: self.canvas.itemconfig(part, fill=self.bg_color[self.appearance_mode], width=0) else: self.canvas.itemconfig(part, fill=self.bg_color, width=0) 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 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 if isinstance(self.master, (CTkFrame, CTk)): self.bg_color = self.master.fg_color else: self.bg_color = self.master.cget("bg") self.draw()