mirror of
https://github.com/TomSchimansky/CustomTkinter.git
synced 2023-08-10 21:13:13 +03:00
378 lines
19 KiB
Python
378 lines
19 KiB
Python
import tkinter
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import sys
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from typing import Union, Tuple, Callable
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from .ctk_canvas import CTkCanvas
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from ..theme_manager import ThemeManager
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from ..settings import Settings
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from ..draw_engine import DrawEngine
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from .widget_base_class import CTkBaseClass
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class CTkButton(CTkBaseClass):
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""" button with border, rounded corners, hover effect, image support """
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def __init__(self, *args,
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bg_color: Union[str, Tuple[str, str], None] = None,
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fg_color: Union[str, Tuple[str, str], None] = "default_theme",
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hover_color: Union[str, Tuple[str, str]] = "default_theme",
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border_color: Union[str, Tuple[str, str]] = "default_theme",
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text_color: Union[str, Tuple[str, str]] = "default_theme",
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text_color_disabled: Union[str, Tuple[str, str]] = "default_theme",
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width: int = 140,
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height: int = 28,
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corner_radius: Union[int, str] = "default_theme",
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border_width: Union[int, str] = "default_theme",
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text: str = "CTkButton",
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textvariable: tkinter.Variable = None,
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text_font: any = "default_theme",
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image: tkinter.PhotoImage = None,
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hover: bool = True,
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compound: str = "left",
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state: str = "normal",
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command: Callable = None,
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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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# color
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self.fg_color = ThemeManager.theme["color"]["button"] if fg_color == "default_theme" else fg_color
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self.hover_color = ThemeManager.theme["color"]["button_hover"] if hover_color == "default_theme" else hover_color
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self.border_color = ThemeManager.theme["color"]["button_border"] if border_color == "default_theme" else border_color
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self.text_color = ThemeManager.theme["color"]["text"] if text_color == "default_theme" else text_color
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self.text_color_disabled = ThemeManager.theme["color"]["text_button_disabled"] if text_color_disabled == "default_theme" else text_color_disabled
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# shape
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self.corner_radius = ThemeManager.theme["shape"]["button_corner_radius"] if corner_radius == "default_theme" else corner_radius
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self.border_width = ThemeManager.theme["shape"]["button_border_width"] if border_width == "default_theme" else border_width
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# text, font, 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_font = (ThemeManager.theme["text"]["font"], ThemeManager.theme["text"]["size"]) if text_font == "default_theme" else text_font
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# callback and hover functionality
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self.command = 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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# configure grid system (2x2)
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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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# canvas
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self.canvas = CTkCanvas(master=self,
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highlightthickness=0,
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width=self.apply_widget_scaling(self._desired_width),
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height=self.apply_widget_scaling(self._desired_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 = DrawEngine(self.canvas)
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# canvas 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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self.bind('<Configure>', self.update_dimensions_event)
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# configure cursor and initial draw
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self.set_cursor()
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self.draw()
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def set_scaling(self, *args, **kwargs):
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super().set_scaling(*args, **kwargs)
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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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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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self.canvas.configure(width=self.apply_widget_scaling(self._desired_width),
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height=self.apply_widget_scaling(self._desired_height))
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self.draw()
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def set_dimensions(self, width: int = None, height: int = None):
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super().set_dimensions(width, height)
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self.canvas.configure(width=self.apply_widget_scaling(self._desired_width),
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height=self.apply_widget_scaling(self._desired_height))
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self.draw()
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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.apply_widget_scaling(self._current_width),
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self.apply_widget_scaling(self._current_height),
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self.apply_widget_scaling(self.corner_radius),
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self.apply_widget_scaling(self.border_width))
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if no_color_updates is False or requires_recoloring:
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self.canvas.configure(bg=ThemeManager.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=ThemeManager.single_color(self.border_color, self._appearance_mode),
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fill=ThemeManager.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=ThemeManager.single_color(self.bg_color, self._appearance_mode),
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fill=ThemeManager.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=ThemeManager.single_color(self.fg_color, self._appearance_mode),
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fill=ThemeManager.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,
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font=self.apply_font_scaling(self.text_font),
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text=self.text,
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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=ThemeManager.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=(ThemeManager.single_color(self.text_color_disabled, self._appearance_mode)))
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else:
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self.text_label.configure(fg=ThemeManager.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=ThemeManager.single_color(self.bg_color, self._appearance_mode))
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else:
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self.text_label.configure(bg=ThemeManager.single_color(self.fg_color, self._appearance_mode))
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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=ThemeManager.single_color(self.bg_color, self._appearance_mode))
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else:
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self.image_label.configure(bg=ThemeManager.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="",
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pady=(self.apply_widget_scaling(self.border_width), self.apply_widget_scaling(self.border_width) + 1)) # bottom pady with +1 for rounding to even
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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, rowspan=2, columnspan=2, sticky="",
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padx=self.apply_widget_scaling(self.corner_radius),
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pady=(self.apply_widget_scaling(self.border_width), self.apply_widget_scaling(self.border_width) + 1)) # bottom pady with +1 for rounding to even
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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, sticky="e", rowspan=2, columnspan=1,
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padx=(max(self.apply_widget_scaling(self.corner_radius), self.apply_widget_scaling(self.border_width)), 2),
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pady=(self.apply_widget_scaling(self.border_width), self.apply_widget_scaling(self.border_width) + 1))
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self.text_label.grid(row=0, column=1, sticky="w", rowspan=2, columnspan=1,
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padx=(2, max(self.apply_widget_scaling(self.corner_radius), self.apply_widget_scaling(self.border_width))),
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pady=(self.apply_widget_scaling(self.border_width), self.apply_widget_scaling(self.border_width) + 1))
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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, sticky="s", columnspan=2, rowspan=1,
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padx=max(self.apply_widget_scaling(self.corner_radius), self.apply_widget_scaling(self.border_width)),
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pady=(self.apply_widget_scaling(self.border_width), 2))
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self.text_label.grid(row=1, column=0, sticky="n", columnspan=2, rowspan=1,
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padx=max(self.apply_widget_scaling(self.corner_radius), self.apply_widget_scaling(self.border_width)),
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pady=(2, self.apply_widget_scaling(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, sticky="w", rowspan=2, columnspan=1,
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padx=(2, max(self.apply_widget_scaling(self.corner_radius), self.apply_widget_scaling(self.border_width))),
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pady=(self.apply_widget_scaling(self.border_width), self.apply_widget_scaling(self.border_width) + 1))
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self.text_label.grid(row=0, column=0, sticky="e", rowspan=2, columnspan=1,
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padx=(max(self.apply_widget_scaling(self.corner_radius), self.apply_widget_scaling(self.border_width)), 2),
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pady=(self.apply_widget_scaling(self.border_width), self.apply_widget_scaling(self.border_width) + 1))
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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, sticky="n", columnspan=2, rowspan=1,
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padx=max(self.apply_widget_scaling(self.corner_radius), self.apply_widget_scaling(self.border_width)),
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pady=(2, self.apply_widget_scaling(self.border_width)))
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self.text_label.grid(row=0, column=0, sticky="s", columnspan=2, rowspan=1,
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padx=max(self.apply_widget_scaling(self.corner_radius), self.apply_widget_scaling(self.border_width)),
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pady=(self.apply_widget_scaling(self.border_width), 2))
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def configure(self, require_redraw=False, **kwargs):
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if "text" in kwargs:
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self.text = kwargs.pop("text")
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if self.text_label is None:
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require_redraw = True # text_label will be created in .draw()
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else:
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self.text_label.configure(text=self.text)
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if "text_font" in kwargs:
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self.text_font = kwargs.pop("text_font")
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if self.text_label is not None:
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self.text_label.configure(font=self.apply_font_scaling(self.text_font))
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if "state" in kwargs:
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self.state = kwargs.pop("state")
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self.set_cursor()
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require_redraw = True
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if "image" in kwargs:
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self.image = kwargs.pop("image")
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require_redraw = True
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if "corner_radius" in kwargs:
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self.corner_radius = kwargs.pop("corner_radius")
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require_redraw = True
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if "compound" in kwargs:
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self.compound = kwargs.pop("compound")
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require_redraw = True
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if "fg_color" in kwargs:
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self.fg_color = kwargs.pop("fg_color")
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require_redraw = True
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if "border_color" in kwargs:
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self.border_color = kwargs.pop("border_color")
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require_redraw = True
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if "hover_color" in kwargs:
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self.hover_color = kwargs.pop("hover_color")
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require_redraw = True
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if "text_color" in kwargs:
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self.text_color = kwargs.pop("text_color")
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require_redraw = True
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if "command" in kwargs:
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self.command = kwargs.pop("command")
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if "textvariable" in kwargs:
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self.textvariable = kwargs.pop("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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if "width" in kwargs:
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self.set_dimensions(width=kwargs.pop("width"))
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if "height" in kwargs:
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self.set_dimensions(height=kwargs.pop("height"))
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super().configure(require_redraw=require_redraw, **kwargs)
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def set_cursor(self):
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if Settings.cursor_manipulation_enabled:
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if self.state == tkinter.DISABLED:
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if sys.platform == "darwin" and self.command is not None and Settings.cursor_manipulation_enabled:
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self.configure(cursor="arrow")
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elif sys.platform.startswith("win") and self.command is not None and Settings.cursor_manipulation_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.command is not None and Settings.cursor_manipulation_enabled:
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self.configure(cursor="pointinghand")
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elif sys.platform.startswith("win") and self.command is not None and Settings.cursor_manipulation_enabled:
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self.configure(cursor="hand2")
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def set_image(self, image):
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""" will be removed in next major """
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self.configure(image=image)
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def set_text(self, text):
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""" will be removed in next major """
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self.configure(text=text)
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def on_enter(self, event=None):
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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=ThemeManager.single_color(inner_parts_color, self._appearance_mode),
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fill=ThemeManager.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=ThemeManager.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=ThemeManager.single_color(inner_parts_color, self._appearance_mode))
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def on_leave(self, event=None):
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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=ThemeManager.single_color(inner_parts_color, self._appearance_mode),
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fill=ThemeManager.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=ThemeManager.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=ThemeManager.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=None):
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if self.command is not None:
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if self.state != 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.command()
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