mirror of
https://github.com/TomSchimansky/CustomTkinter.git
synced 2023-08-10 21:13:13 +03:00
370 lines
18 KiB
Python
370 lines
18 KiB
Python
import tkinter
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import sys
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from typing import Union, Tuple, Callable, List
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from .dropdown_menu import DropdownMenu
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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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from .widget_helper_functions import filter_dict_by_set
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class CTkComboBox(CTkBaseClass):
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"""
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Combobox with dropdown menu, rounded corners, border, variable support.
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For detailed information check out the documentation.
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"""
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def __init__(self,
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master: any = None,
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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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bg_color: Union[str, Tuple[str, str], None] = None,
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fg_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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button_color: Union[str, Tuple[str, str]] = "default_theme",
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button_hover_color: Union[str, Tuple[str, str]] = "default_theme",
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dropdown_fg_color: Union[str, Tuple[str, str]] = "default_theme",
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dropdown_hover_color: Union[str, Tuple[str, str]] = "default_theme",
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dropdown_text_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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font: any = "default_theme",
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dropdown_text_font: any = "default_theme",
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values: List[str] = None,
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state: str = tkinter.NORMAL,
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hover: bool = True,
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variable: tkinter.Variable = None,
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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__(master=master, bg_color=bg_color, width=width, height=height, **kwargs)
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# color variables
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self._fg_color = ThemeManager.theme["color"]["entry"] if fg_color == "default_theme" else fg_color
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self._border_color = ThemeManager.theme["color"]["combobox_border"] if border_color == "default_theme" else border_color
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self._button_color = ThemeManager.theme["color"]["combobox_border"] if button_color == "default_theme" else button_color
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self._button_hover_color = ThemeManager.theme["color"]["combobox_button_hover"] if button_hover_color == "default_theme" else button_hover_color
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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"]["entry_border_width"] if border_width == "default_theme" else border_width
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# text and font
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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_disabled"] if text_color_disabled == "default_theme" else text_color_disabled
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self._font = (ThemeManager.theme["text"]["font"], ThemeManager.theme["text"]["size"]) if font == "default_theme" else font
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# callback and hover functionality
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self._command = command
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self._variable = variable
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self._state = state
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self._hover = hover
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if values is None:
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self._values = ["CTkComboBox"]
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else:
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self._values = values
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self._dropdown_menu = DropdownMenu(master=self,
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values=self._values,
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command=self._dropdown_callback,
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fg_color=dropdown_fg_color,
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hover_color=dropdown_hover_color,
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text_color=dropdown_text_color,
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font=dropdown_text_font)
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# configure grid system (1x1)
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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._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=1, columnspan=1, sticky="nsew")
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self.draw_engine = DrawEngine(self._canvas)
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self._entry = tkinter.Entry(master=self,
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state=self._state,
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width=1,
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bd=0,
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highlightthickness=0,
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font=self._apply_font_scaling(self._font))
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left_section_width = self._current_width - self._current_height
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self._entry.grid(row=0, column=0, rowspan=1, columnspan=1, sticky="ew",
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padx=(max(self._apply_widget_scaling(self._corner_radius), self._apply_widget_scaling(3)),
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max(self._apply_widget_scaling(self._current_width - left_section_width + 3), self._apply_widget_scaling(3))))
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# insert default value
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if len(self._values) > 0:
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self._entry.insert(0, self._values[0])
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else:
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self._entry.insert(0, "CTkComboBox")
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self._draw() # initial draw
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# event bindings
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self._canvas.tag_bind("right_parts", "<Enter>", self._on_enter)
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self._canvas.tag_bind("dropdown_arrow", "<Enter>", self._on_enter)
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self._canvas.tag_bind("right_parts", "<Leave>", self._on_leave)
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self._canvas.tag_bind("dropdown_arrow", "<Leave>", self._on_leave)
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self._canvas.tag_bind("right_parts", "<Button-1>", self._clicked)
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self._canvas.tag_bind("dropdown_arrow", "<Button-1>", self._clicked)
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super().bind('<Configure>', self._update_dimensions_event)
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if self._variable is not None:
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self._entry.configure(textvariable=self._variable)
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def _set_scaling(self, *args, **kwargs):
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super()._set_scaling(*args, **kwargs)
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# change entry font size and grid padding
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left_section_width = self._current_width - self._current_height
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self._entry.configure(font=self._apply_font_scaling(self._font))
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self._entry.grid(row=0, column=0, rowspan=1, columnspan=1, sticky="ew",
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padx=(max(self._apply_widget_scaling(self._corner_radius), self._apply_widget_scaling(3)),
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max(self._apply_widget_scaling(self._current_width - left_section_width + 3), self._apply_widget_scaling(3))))
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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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left_section_width = self._current_width - self._current_height
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requires_recoloring = self.draw_engine.draw_rounded_rect_with_border_vertical_split(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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self._apply_widget_scaling(left_section_width))
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requires_recoloring_2 = self.draw_engine.draw_dropdown_arrow(self._apply_widget_scaling(self._current_width - (self._current_height / 2)),
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self._apply_widget_scaling(self._current_height / 2),
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self._apply_widget_scaling(self._current_height / 3))
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if no_color_updates is False or requires_recoloring or requires_recoloring_2:
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self._canvas.configure(bg=ThemeManager.single_color(self._bg_color, self._appearance_mode))
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self._canvas.itemconfig("inner_parts_left",
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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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self._canvas.itemconfig("border_parts_left",
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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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self._canvas.itemconfig("inner_parts_right",
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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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self._canvas.itemconfig("border_parts_right",
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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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self._entry.configure(bg=ThemeManager.single_color(self._fg_color, self._appearance_mode),
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fg=ThemeManager.single_color(self._text_color, self._appearance_mode),
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disabledbackground=ThemeManager.single_color(self._fg_color, self._appearance_mode),
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disabledforeground=ThemeManager.single_color(self._text_color_disabled, self._appearance_mode),
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highlightcolor=ThemeManager.single_color(self._fg_color, self._appearance_mode),
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insertbackground=ThemeManager.single_color(self._text_color, self._appearance_mode))
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if self._state == tkinter.DISABLED:
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self._canvas.itemconfig("dropdown_arrow",
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fill=ThemeManager.single_color(self._text_color_disabled, self._appearance_mode))
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else:
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self._canvas.itemconfig("dropdown_arrow",
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fill=ThemeManager.single_color(self._text_color, self._appearance_mode))
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def _open_dropdown_menu(self):
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self._dropdown_menu.open(self.winfo_rootx(),
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self.winfo_rooty() + self._apply_widget_scaling(self._current_height + 0))
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def configure(self, require_redraw=False, **kwargs):
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if "state" in kwargs:
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self._state = kwargs.pop("state")
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self._entry.configure(state=self._state)
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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 "button_color" in kwargs:
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self._button_color = kwargs.pop("button_color")
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require_redraw = True
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if "button_hover_color" in kwargs:
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self._button_hover_color = kwargs.pop("button_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 "font" in kwargs:
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self._font = kwargs.pop("font")
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self._entry.configure(font=self._apply_font_scaling(self._font))
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if "command" in kwargs:
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self._command = kwargs.pop("command")
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if "variable" in kwargs:
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self._variable = kwargs.pop("variable")
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self._entry.configure(textvariable=self._variable)
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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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if "values" in kwargs:
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self._values = kwargs.pop("values")
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self._dropdown_menu.configure(values=self._values)
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if "dropdown_fg_color" in kwargs:
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self._dropdown_menu.configure(fg_color=kwargs.pop("dropdown_fg_color"))
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if "dropdown_hover_color" in kwargs:
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self._dropdown_menu.configure(hover_color=kwargs.pop("dropdown_hover_color"))
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if "dropdown_text_color" in kwargs:
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self._dropdown_menu.configure(text_color=kwargs.pop("dropdown_text_color"))
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if "dropdown_text_font" in kwargs:
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self._dropdown_menu.configure(text_font=kwargs.pop("dropdown_text_font"))
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super().configure(require_redraw=require_redraw, **kwargs)
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def cget(self, attribute_name: str) -> any:
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if attribute_name == "corner_radius":
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return self._corner_radius
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elif attribute_name == "border_width":
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return self._border_width
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elif attribute_name == "fg_color":
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return self._fg_color
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elif attribute_name == "border_color":
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return self._border_color
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elif attribute_name == "button_color":
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return self._button_color
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elif attribute_name == "button_hover_color":
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return self._button_hover_color
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elif attribute_name == "dropdown_fg_color":
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return self._dropdown_menu.cget("fg_color")
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elif attribute_name == "dropdown_hover_color":
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return self._dropdown_menu.cget("hover_color")
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elif attribute_name == "dropdown_text_color":
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return self._dropdown_menu.cget("text_color")
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elif attribute_name == "text_color":
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return self._text_color
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elif attribute_name == "text_color_disabled":
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return self._text_color_disabled
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elif attribute_name == "font":
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return self._font
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elif attribute_name == "dropdown_text_font":
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return self._dropdown_menu.cget("text_font")
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elif attribute_name == "values":
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return self._values
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elif attribute_name == "state":
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return self._state
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elif attribute_name == "hover":
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return self._hover
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elif attribute_name == "variable":
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return self._variable
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elif attribute_name == "command":
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return self._command
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else:
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return super().cget(attribute_name)
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def _on_enter(self, event=0):
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if self._hover is True and self._state == tkinter.NORMAL and len(self._values) > 0:
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if sys.platform == "darwin" and len(self._values) > 0 and Settings.cursor_manipulation_enabled:
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self._canvas.configure(cursor="pointinghand")
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elif sys.platform.startswith("win") and len(self._values) > 0 and Settings.cursor_manipulation_enabled:
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self._canvas.configure(cursor="hand2")
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# set color of inner button parts to hover color
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self._canvas.itemconfig("inner_parts_right",
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outline=ThemeManager.single_color(self._button_hover_color, self._appearance_mode),
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fill=ThemeManager.single_color(self._button_hover_color, self._appearance_mode))
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self._canvas.itemconfig("border_parts_right",
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outline=ThemeManager.single_color(self._button_hover_color, self._appearance_mode),
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fill=ThemeManager.single_color(self._button_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 sys.platform == "darwin" and len(self._values) > 0 and Settings.cursor_manipulation_enabled:
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self._canvas.configure(cursor="arrow")
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elif sys.platform.startswith("win") and len(self._values) > 0 and Settings.cursor_manipulation_enabled:
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self._canvas.configure(cursor="arrow")
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# set color of inner button parts
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self._canvas.itemconfig("inner_parts_right",
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outline=ThemeManager.single_color(self._button_color, self._appearance_mode),
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fill=ThemeManager.single_color(self._button_color, self._appearance_mode))
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self._canvas.itemconfig("border_parts_right",
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outline=ThemeManager.single_color(self._button_color, self._appearance_mode),
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fill=ThemeManager.single_color(self._button_color, self._appearance_mode))
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def _dropdown_callback(self, value: str):
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if self._state == "readonly":
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self._entry.configure(state="normal")
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self._entry.delete(0, tkinter.END)
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self._entry.insert(0, value)
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self._entry.configure(state="readonly")
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else:
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self._entry.delete(0, tkinter.END)
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self._entry.insert(0, value)
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if self._command is not None:
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self._command(value)
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def set(self, value: str):
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if self._state == "readonly":
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self._entry.configure(state="normal")
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self._entry.delete(0, tkinter.END)
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self._entry.insert(0, value)
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self._entry.configure(state="readonly")
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else:
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self._entry.delete(0, tkinter.END)
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self._entry.insert(0, value)
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def get(self) -> str:
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return self._entry.get()
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def _clicked(self, event=0):
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if self._state is not tkinter.DISABLED and len(self._values) > 0:
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self._open_dropdown_menu()
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def bind(self, sequence=None, command=None, add=None):
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""" called on the tkinter.Entry """
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return self._entry.bind(sequence, command, add)
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def unbind(self, sequence, funcid=None):
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""" called on the tkinter.Entry """
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return self._entry.unbind(sequence, funcid)
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def focus(self):
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return self._entry.focus()
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def focus_set(self):
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return self._entry.focus_set()
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def focus_force(self):
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return self._entry.focus_force()
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