mirror of
https://github.com/TomSchimansky/CustomTkinter.git
synced 2023-08-10 21:13:13 +03:00
338 lines
16 KiB
Python
338 lines
16 KiB
Python
import tkinter
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import sys
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from .ctk_canvas import CTkCanvas
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from ..customtkinter_theme_manager import CTkThemeManager
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from ..customtkinter_settings import CTkSettings
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from ..customtkinter_draw_engine import CTkDrawEngine
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from .widget_base_class import CTkBaseClass
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class CTkButton(CTkBaseClass):
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""" tkinter custom button 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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command=None,
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textvariable=None,
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width=120,
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height=30,
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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_color_disabled="default_theme",
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text="CTkButton",
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hover=True,
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image=None,
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compound=tkinter.LEFT,
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state=tkinter.NORMAL,
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**kwargs):
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# transfer basic functionality (bg_color, size, appearance_mode, scaling) to CTkBaseClass
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super().__init__(*args, bg_color=bg_color, width=width, height=height, **kwargs)
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self.configure_basic_grid()
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# color variables
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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"]["button_border"] if border_color == "default_theme" else border_color
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# shape
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self.corner_radius = CTkThemeManager.theme["shape"]["button_corner_radius"] if corner_radius == "default_theme" else corner_radius
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self.border_width = CTkThemeManager.theme["shape"]["button_border_width"] if border_width == "default_theme" else border_width
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# text and font and image
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self.image = image
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self.image_label = None
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self.text = text
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self.text_label = None
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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_button_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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# callback and hover functionality
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self.function = command
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self.textvariable = textvariable
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self.state = state
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self.hover = hover
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self.compound = compound
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self.click_animation_running = False
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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, rowspan=2, columnspan=2, sticky="nsew")
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self.draw_engine = CTkDrawEngine(self.canvas, CTkSettings.preferred_drawing_method)
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# event bindings
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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.clicked)
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self.canvas.bind("<Button-1>", self.clicked)
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# Each time an item is resized due to pack position mode, the binding Configure is called on the widget
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self.bind('<Configure>', self.update_dimensions)
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self.set_cursor()
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self.draw() # initial draw
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def configure_basic_grid(self):
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# Configuration of a grid system (2x2) in which all parts of CTkButton are centered on one row and one column
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self.grid_rowconfigure(0, weight=1)
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self.grid_columnconfigure(0, weight=1)
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self.grid_rowconfigure(1, weight=1)
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self.grid_columnconfigure(1, weight=1)
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def draw(self, no_color_updates=False):
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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 no_color_updates is False or requires_recoloring:
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self.canvas.configure(bg=CTkThemeManager.single_color(self.bg_color, self.appearance_mode))
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# set color for the button border parts (outline)
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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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# set color for inner button parts
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if self.fg_color is None:
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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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else:
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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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# create text label if text given
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if self.text is not None and self.text != "":
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if self.text_label is None:
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self.text_label = tkinter.Label(master=self, font=self.text_font, textvariable=self.textvariable)
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self.text_label.bind("<Enter>", self.on_enter)
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self.text_label.bind("<Leave>", self.on_leave)
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self.text_label.bind("<Button-1>", self.clicked)
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self.text_label.bind("<Button-1>", self.clicked)
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if no_color_updates is False:
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# set text_label fg color (text color)
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self.text_label.configure(fg=CTkThemeManager.single_color(self.text_color, self.appearance_mode))
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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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if self.fg_color is None:
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self.text_label.configure(bg=CTkThemeManager.single_color(self.bg_color, self.appearance_mode))
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else:
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self.text_label.configure(bg=CTkThemeManager.single_color(self.fg_color, self.appearance_mode))
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self.text_label.configure(text=self.text) # set text
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else:
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# delete text_label if no text given
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if self.text_label is not None:
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self.text_label.destroy()
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self.text_label = None
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# create image label if image given
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if self.image is not None:
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if self.image_label is None:
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self.image_label = tkinter.Label(master=self)
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self.image_label.bind("<Enter>", self.on_enter)
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self.image_label.bind("<Leave>", self.on_leave)
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self.image_label.bind("<Button-1>", self.clicked)
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self.image_label.bind("<Button-1>", self.clicked)
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if no_color_updates is False:
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# set image_label bg color (background color of label)
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if self.fg_color is None:
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self.image_label.configure(bg=CTkThemeManager.single_color(self.bg_color, self.appearance_mode))
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else:
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self.image_label.configure(bg=CTkThemeManager.single_color(self.fg_color, self.appearance_mode))
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self.image_label.configure(image=self.image) # set image
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else:
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# delete text_label if no text given
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if self.image_label is not None:
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self.image_label.destroy()
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self.image_label = None
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# create grid layout with just an image given
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if self.image_label is not None and self.text_label is None:
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self.image_label.grid(row=0, column=0, rowspan=2, columnspan=2, sticky="", pady=self.border_width)
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# create grid layout with just text given
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if self.image_label is None and self.text_label is not None:
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self.text_label.grid(row=0, column=0, padx=self.corner_radius, pady=self.border_width, rowspan=2, columnspan=2, sticky="")
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# create grid layout of image and text label in 2x2 grid system with given compound
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if self.image_label is not None and self.text_label is not None:
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if self.compound == tkinter.LEFT or self.compound == "left":
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self.image_label.grid(row=0, column=0, padx=(max(self.corner_radius, self.border_width), 2), sticky="e", rowspan=2, columnspan=1, pady=self.border_width)
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self.text_label.grid(row=0, column=1, padx=(2, max(self.corner_radius, self.border_width)), sticky="w", rowspan=2, columnspan=1, pady=self.border_width)
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elif self.compound == tkinter.TOP or self.compound == "top":
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self.image_label.grid(row=0, column=0, padx=max(self.corner_radius, self.border_width), sticky="s", columnspan=2, rowspan=1, pady=(self.border_width, 2))
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self.text_label.grid(row=1, column=0, padx=max(self.corner_radius, self.border_width), sticky="n", columnspan=2, rowspan=1, pady=(2, self.border_width))
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elif self.compound == tkinter.RIGHT or self.compound == "right":
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self.image_label.grid(row=0, column=1, padx=(2, max(self.corner_radius, self.border_width)), sticky="w", rowspan=2, columnspan=1, pady=self.border_width)
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self.text_label.grid(row=0, column=0, padx=(max(self.corner_radius, self.border_width), 2), sticky="e", rowspan=2, columnspan=1, pady=self.border_width)
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elif self.compound == tkinter.BOTTOM or self.compound == "bottom":
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self.image_label.grid(row=1, column=0, padx=max(self.corner_radius, self.border_width), sticky="n", columnspan=2, rowspan=1, pady=(2, self.border_width))
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self.text_label.grid(row=0, column=0, padx=max(self.corner_radius, self.border_width), sticky="s", columnspan=2, rowspan=1, pady=(self.border_width, 2))
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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() at the end
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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 "image" in kwargs:
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self.set_image(kwargs["image"])
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del kwargs["image"]
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if "compound" in kwargs:
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self.compound = kwargs["compound"]
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require_redraw = True
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del kwargs["compound"]
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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 "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 "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 "command" in kwargs:
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self.function = kwargs["command"]
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del kwargs["command"]
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if "textvariable" in kwargs:
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self.textvariable = kwargs["textvariable"]
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if self.text_label is not None:
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self.text_label.configure(textvariable=self.textvariable)
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del kwargs["textvariable"]
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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 self.function is not None and CTkSettings.hand_cursor_enabled:
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self.configure(cursor="arrow")
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elif sys.platform.startswith("win") and self.function is not None and CTkSettings.hand_cursor_enabled:
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self.configure(cursor="arrow")
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elif self.state == tkinter.NORMAL:
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if sys.platform == "darwin" and self.function is not None and CTkSettings.hand_cursor_enabled:
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self.configure(cursor="pointinghand")
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elif sys.platform.startswith("win") and self.function is not None and CTkSettings.hand_cursor_enabled:
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self.configure(cursor="hand2")
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def set_text(self, text):
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self.text = text
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self.draw()
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def set_image(self, image):
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self.image = image
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self.draw()
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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.hover_color is None:
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inner_parts_color = self.fg_color
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else:
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inner_parts_color = self.hover_color
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# set color of inner button parts to hover color
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self.canvas.itemconfig("inner_parts",
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outline=CTkThemeManager.single_color(inner_parts_color, self.appearance_mode),
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fill=CTkThemeManager.single_color(inner_parts_color, self.appearance_mode))
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# set text_label bg color to button hover color
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if self.text_label is not None:
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self.text_label.configure(bg=CTkThemeManager.single_color(inner_parts_color, self.appearance_mode))
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# set image_label bg color to button hover color
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if self.image_label is not None:
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self.image_label.configure(bg=CTkThemeManager.single_color(inner_parts_color, self.appearance_mode))
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def on_leave(self, event=0):
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self.click_animation_running = False
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if self.hover is True:
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if self.fg_color is None:
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inner_parts_color = self.bg_color
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else:
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inner_parts_color = self.fg_color
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# set color of inner button parts
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self.canvas.itemconfig("inner_parts",
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outline=CTkThemeManager.single_color(inner_parts_color, self.appearance_mode),
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fill=CTkThemeManager.single_color(inner_parts_color, self.appearance_mode))
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# set text_label bg color (label color)
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if self.text_label is not None:
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self.text_label.configure(bg=CTkThemeManager.single_color(inner_parts_color, self.appearance_mode))
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# set image_label bg color (image bg color)
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if self.image_label is not None:
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self.image_label.configure(bg=CTkThemeManager.single_color(inner_parts_color, self.appearance_mode))
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def click_animation(self):
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if self.click_animation_running:
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self.on_enter()
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def clicked(self, event=0):
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if self.function is not None:
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if self.state is not tkinter.DISABLED:
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# click animation: change color with .on_leave() and back to normal after 100ms with click_animation()
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self.on_leave()
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self.click_animation_running = True
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self.after(100, self.click_animation)
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self.function()
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