mirror of
https://github.com/TomSchimansky/CustomTkinter.git
synced 2023-08-10 21:13:13 +03:00
395 lines
17 KiB
Python
395 lines
17 KiB
Python
import tkinter
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import tkinter.ttk as ttk
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import sys
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from customtkinter.customtkinter_tk import CTk
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from customtkinter.customtkinter_frame import CTkFrame
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from customtkinter.appearance_mode_tracker import AppearanceModeTracker
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from customtkinter.customtkinter_theme_manager import CTkThemeManager
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from customtkinter.customtkinter_canvas import CTkCanvas
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from customtkinter.customtkinter_settings import CTkSettings
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from customtkinter.customtkinter_draw_engine import CTkDrawEngine
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class CTkCheckBox(tkinter.Frame):
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""" tkinter custom checkbox with border, rounded corners and hover effect """
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def __init__(self, *args,
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bg_color=None,
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fg_color="default_theme",
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hover_color="default_theme",
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border_color="default_theme",
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border_width="default_theme",
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checkmark_color="default_theme",
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width=24,
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height=24,
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corner_radius="default_theme",
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text_font="default_theme",
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text_color="default_theme",
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text="CTkCheckBox",
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text_color_disabled="default_theme",
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hover=True,
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command=None,
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state=tkinter.NORMAL,
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onvalue=1,
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offvalue=0,
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variable=None,
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textvariable=None,
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**kwargs):
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super().__init__(*args, **kwargs)
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# overwrite configure methods of master when master is tkinter widget, so that bg changes get applied on child CTk widget too
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if isinstance(self.master, (tkinter.Tk, tkinter.Frame)) and not isinstance(self.master, (CTk, CTkFrame)):
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master_old_configure = self.master.config
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def new_configure(*args, **kwargs):
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if "bg" in kwargs:
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self.configure(bg_color=kwargs["bg"])
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elif "background" in kwargs:
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self.configure(bg_color=kwargs["background"])
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# args[0] is dict when attribute gets changed by widget[<attribut>] syntax
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elif len(args) > 0 and type(args[0]) == dict:
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if "bg" in args[0]:
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self.configure(bg_color=args[0]["bg"])
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elif "background" in args[0]:
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self.configure(bg_color=args[0]["background"])
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master_old_configure(*args, **kwargs)
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self.master.config = new_configure
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self.master.configure = new_configure
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# add set_appearance_mode method to callback list of AppearanceModeTracker for appearance mode changes
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AppearanceModeTracker.add(self.set_appearance_mode, self)
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self.appearance_mode = AppearanceModeTracker.get_mode() # 0: "Light" 1: "Dark"
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self.bg_color = self.detect_color_of_master() if bg_color is None else bg_color
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self.fg_color = CTkThemeManager.theme["color"]["button"] if fg_color == "default_theme" else fg_color
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self.hover_color = CTkThemeManager.theme["color"]["button_hover"] if hover_color == "default_theme" else hover_color
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self.border_color = CTkThemeManager.theme["color"]["checkbox_border"] if border_color == "default_theme" else border_color
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self.checkmark_color = CTkThemeManager.theme["color"]["checkmark"] if checkmark_color == "default_theme" else checkmark_color
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self.width = width
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self.height = height
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self.corner_radius = CTkThemeManager.theme["shape"]["checkbox_corner_radius"] if corner_radius == "default_theme" else corner_radius
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self.border_width = CTkThemeManager.theme["shape"]["checkbox_border_width"] if border_width == "default_theme" else border_width
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if self.corner_radius*2 > self.height:
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self.corner_radius = self.height/2
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elif self.corner_radius*2 > self.width:
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self.corner_radius = self.width/2
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if self.corner_radius >= self.border_width:
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self.inner_corner_radius = self.corner_radius - self.border_width
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else:
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self.inner_corner_radius = 0
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self.text = text
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self.text_color = CTkThemeManager.theme["color"]["text"] if text_color == "default_theme" else text_color
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self.text_color_disabled = CTkThemeManager.theme["color"]["text_disabled"] if text_color_disabled == "default_theme" else text_color_disabled
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self.text_font = (CTkThemeManager.theme["text"]["font"], CTkThemeManager.theme["text"]["size"]) if text_font == "default_theme" else text_font
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self.function = command
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self.state = state
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self.hover = hover
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self.check_state = False
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self.onvalue = onvalue
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self.offvalue = offvalue
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self.variable: tkinter.Variable = variable
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self.variable_callback_blocked = False
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self.textvariable = textvariable
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self.variable_callback_name = None
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# configure grid system
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self.grid_columnconfigure(0, weight=0)
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self.grid_columnconfigure(1, weight=0, minsize=6)
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self.grid_columnconfigure(2, weight=1)
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self.canvas = CTkCanvas(master=self,
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highlightthickness=0,
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width=self.width,
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height=self.height)
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self.canvas.grid(row=0, column=0, padx=0, pady=0, columnspan=1)
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self.draw_engine = CTkDrawEngine(self.canvas, CTkSettings.preferred_drawing_method)
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if self.hover is True:
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self.canvas.bind("<Enter>", self.on_enter)
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self.canvas.bind("<Leave>", self.on_leave)
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self.canvas.bind("<Button-1>", self.toggle)
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self.canvas.bind("<Button-1>", self.toggle)
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self.text_label = None
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self.set_cursor()
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self.draw() # initial draw
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if self.variable is not None:
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self.variable_callback_name = self.variable.trace_add("write", self.variable_callback)
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if self.variable.get() == self.onvalue:
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self.select(from_variable_callback=True)
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elif self.variable.get() == self.offvalue:
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self.deselect(from_variable_callback=True)
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def destroy(self):
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AppearanceModeTracker.remove(self.set_appearance_mode)
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if self.variable is not None:
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self.variable.trace_remove("write", self.variable_callback_name)
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super().destroy()
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def detect_color_of_master(self):
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""" detect color of self.master widget to set correct bg_color """
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if isinstance(self.master, CTkFrame): # master is CTkFrame
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return self.master.fg_color
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elif isinstance(self.master, (ttk.Frame, ttk.LabelFrame, ttk.Notebook)): # master is ttk widget
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print("button on", self.master.winfo_class())
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try:
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ttk_style = ttk.Style()
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return ttk_style.lookup(self.master.winfo_class(), 'background')
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except Exception:
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return "#FFFFFF", "#000000"
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else: # master is normal tkinter widget
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try:
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return self.master.cget("bg") # try to get bg color by .cget() method
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except Exception:
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return "#FFFFFF", "#000000"
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def draw(self):
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requires_recoloring = self.draw_engine.draw_rounded_rect_with_border(self.width, self.height, self.corner_radius, self.border_width)
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if self.check_state is True:
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self.draw_engine.draw_checkmark(self.width, self.height, self.height * 0.58)
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else:
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self.canvas.delete("checkmark")
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self.canvas.configure(bg=CTkThemeManager.single_color(self.bg_color, self.appearance_mode))
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self.configure(bg=CTkThemeManager.single_color(self.bg_color, self.appearance_mode))
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if self.check_state is True:
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self.canvas.itemconfig("inner_parts",
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outline=CTkThemeManager.single_color(self.fg_color, self.appearance_mode),
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fill=CTkThemeManager.single_color(self.fg_color, self.appearance_mode))
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self.canvas.itemconfig("border_parts",
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outline=CTkThemeManager.single_color(self.fg_color, self.appearance_mode),
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fill=CTkThemeManager.single_color(self.fg_color, self.appearance_mode))
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if "create_line" in self.canvas.gettags("checkmark"):
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self.canvas.itemconfig("checkmark", fill=CTkThemeManager.single_color(self.checkmark_color, self.appearance_mode))
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else:
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self.canvas.itemconfig("checkmark", fill=CTkThemeManager.single_color(self.checkmark_color, self.appearance_mode))
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else:
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self.canvas.itemconfig("inner_parts",
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outline=CTkThemeManager.single_color(self.bg_color, self.appearance_mode),
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fill=CTkThemeManager.single_color(self.bg_color, self.appearance_mode))
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self.canvas.itemconfig("border_parts",
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outline=CTkThemeManager.single_color(self.border_color, self.appearance_mode),
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fill=CTkThemeManager.single_color(self.border_color, self.appearance_mode))
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if self.text_label is None:
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self.text_label = tkinter.Label(master=self,
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bd=0,
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text=self.text,
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justify=tkinter.LEFT,
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font=self.text_font)
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self.text_label.grid(row=0, column=2, padx=0, pady=0, sticky="w")
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self.text_label["anchor"] = "w"
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if self.state == tkinter.DISABLED:
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self.text_label.configure(fg=(CTkThemeManager.single_color(self.text_color_disabled, self.appearance_mode)))
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else:
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self.text_label.configure(fg=CTkThemeManager.single_color(self.text_color, self.appearance_mode))
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self.text_label.configure(bg=CTkThemeManager.single_color(self.bg_color, self.appearance_mode))
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self.set_text(self.text)
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def config(self, *args, **kwargs):
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self.configure(*args, **kwargs)
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def configure(self, *args, **kwargs):
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require_redraw = False # some attribute changes require a call of self.draw()
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if "text" in kwargs:
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self.set_text(kwargs["text"])
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del kwargs["text"]
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if "state" in kwargs:
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self.state = kwargs["state"]
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self.set_cursor()
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require_redraw = True
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del kwargs["state"]
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if "fg_color" in kwargs:
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self.fg_color = kwargs["fg_color"]
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require_redraw = True
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del kwargs["fg_color"]
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if "bg_color" in kwargs:
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if kwargs["bg_color"] is None:
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self.bg_color = self.detect_color_of_master()
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else:
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self.bg_color = kwargs["bg_color"]
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require_redraw = True
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del kwargs["bg_color"]
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if "hover_color" in kwargs:
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self.hover_color = kwargs["hover_color"]
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require_redraw = True
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del kwargs["hover_color"]
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if "text_color" in kwargs:
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self.text_color = kwargs["text_color"]
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require_redraw = True
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del kwargs["text_color"]
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if "border_color" in kwargs:
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self.border_color = kwargs["border_color"]
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require_redraw = True
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del kwargs["border_color"]
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if "command" in kwargs:
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self.function = kwargs["command"]
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del kwargs["command"]
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if "variable" in kwargs:
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if self.variable is not None:
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self.variable.trace_remove("write", self.variable_callback_name)
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self.variable = kwargs["variable"]
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if self.variable is not None and self.variable != "":
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self.variable_callback_name = self.variable.trace_add("write", self.variable_callback)
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if self.variable.get() == self.onvalue:
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self.select(from_variable_callback=True)
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elif self.variable.get() == self.offvalue:
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self.deselect(from_variable_callback=True)
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else:
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self.variable = None
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del kwargs["variable"]
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super().configure(*args, **kwargs)
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if require_redraw:
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self.draw()
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def set_cursor(self):
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if self.state == tkinter.DISABLED:
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if sys.platform == "darwin" and CTkSettings.hand_cursor_enabled:
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self.canvas.configure(cursor="arrow")
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elif sys.platform.startswith("win") and CTkSettings.hand_cursor_enabled:
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self.canvas.configure(cursor="arrow")
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elif self.state == tkinter.NORMAL:
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if sys.platform == "darwin" and CTkSettings.hand_cursor_enabled:
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self.canvas.configure(cursor="pointinghand")
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elif sys.platform.startswith("win") and CTkSettings.hand_cursor_enabled:
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self.canvas.configure(cursor="hand2")
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def set_text(self, text):
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self.text = text
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if self.text_label is not None:
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self.text_label.configure(text=self.text)
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else:
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sys.stderr.write("ERROR (CTkButton): Cant change text because checkbox has no text.")
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def on_enter(self, event=0):
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if self.hover is True and self.state == tkinter.NORMAL:
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if self.check_state is True:
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self.canvas.itemconfig("inner_parts",
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fill=CTkThemeManager.single_color(self.hover_color, self.appearance_mode),
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outline=CTkThemeManager.single_color(self.hover_color, self.appearance_mode))
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self.canvas.itemconfig("border_parts",
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fill=CTkThemeManager.single_color(self.hover_color, self.appearance_mode),
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outline=CTkThemeManager.single_color(self.hover_color, self.appearance_mode))
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else:
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self.canvas.itemconfig("inner_parts",
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fill=CTkThemeManager.single_color(self.hover_color, self.appearance_mode),
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outline=CTkThemeManager.single_color(self.hover_color, self.appearance_mode))
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def on_leave(self, event=0):
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if self.hover is True:
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if self.check_state is True:
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self.canvas.itemconfig("inner_parts",
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fill=CTkThemeManager.single_color(self.fg_color, self.appearance_mode),
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outline=CTkThemeManager.single_color(self.fg_color, self.appearance_mode))
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self.canvas.itemconfig("border_parts",
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fill=CTkThemeManager.single_color(self.fg_color, self.appearance_mode),
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outline=CTkThemeManager.single_color(self.fg_color, self.appearance_mode))
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else:
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self.canvas.itemconfig("inner_parts",
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fill=CTkThemeManager.single_color(self.bg_color, self.appearance_mode),
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outline=CTkThemeManager.single_color(self.bg_color, self.appearance_mode))
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self.canvas.itemconfig("border_parts",
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fill=CTkThemeManager.single_color(self.border_color, self.appearance_mode),
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outline=CTkThemeManager.single_color(self.border_color, self.appearance_mode))
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def variable_callback(self, var_name, index, mode):
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if not self.variable_callback_blocked:
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if self.variable.get() == self.onvalue:
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self.select(from_variable_callback=True)
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elif self.variable.get() == self.offvalue:
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self.deselect(from_variable_callback=True)
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def toggle(self, event=0):
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if self.state == tkinter.NORMAL:
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if self.check_state is True:
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self.check_state = False
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self.draw()
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else:
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self.check_state = True
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self.draw()
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if self.function is not None:
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self.function()
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if self.variable is not None:
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self.variable_callback_blocked = True
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self.variable.set(self.onvalue if self.check_state is True else self.offvalue)
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self.variable_callback_blocked = False
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def select(self, from_variable_callback=False):
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self.check_state = True
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self.draw()
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if self.function is not None:
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self.function()
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if self.variable is not None and not from_variable_callback:
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self.variable_callback_blocked = True
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self.variable.set(self.onvalue)
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self.variable_callback_blocked = False
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def deselect(self, from_variable_callback=False):
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self.check_state = False
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self.draw()
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if self.function is not None:
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self.function()
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if self.variable is not None and not from_variable_callback:
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self.variable_callback_blocked = True
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self.variable.set(self.offvalue)
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self.variable_callback_blocked = False
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def get(self):
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return self.onvalue if self.check_state is True else self.offvalue
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def set_appearance_mode(self, mode_string):
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if mode_string.lower() == "dark":
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self.appearance_mode = 1
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elif mode_string.lower() == "light":
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self.appearance_mode = 0
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if isinstance(self.master, (CTkFrame, CTk)):
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self.bg_color = self.master.fg_color
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else:
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self.bg_color = self.master.cget("bg")
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self.draw()
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