import tkinter import sys from typing import Union, Tuple, Callable from .ctk_canvas import CTkCanvas from ..theme_manager import ThemeManager from ..settings import Settings from ..draw_engine import DrawEngine from .widget_base_class import CTkBaseClass from .dropdown_menu import DropdownMenu class CTkOptionMenu(CTkBaseClass): """ Optionmenu with rounded corners, dropdown menu, variable support, command. For detailed information check out the documentation. """ def __init__(self, *args, width: int = 140, height: int = 28, corner_radius: Union[int, str] = "default_theme", bg_color: Union[str, Tuple[str, str], None] = None, fg_color: Union[str, Tuple[str, str]] = "default_theme", button_color: Union[str, Tuple[str, str]] = "default_theme", button_hover_color: Union[str, Tuple[str, str]] = "default_theme", text_color: Union[str, Tuple[str, str]] = "default_theme", text_color_disabled: Union[str, Tuple[str, str]] = "default_theme", dropdown_fg_color: Union[str, Tuple[str, str]] = "default_theme", dropdown_hover_color: Union[str, Tuple[str, str]] = "default_theme", dropdown_text_color: Union[str, Tuple[str, str]] = "default_theme", font: any = "default_theme", dropdown_text_font: any = "default_theme", values: list = None, variable: tkinter.Variable = None, state: str = tkinter.NORMAL, hover: bool = True, command: Callable = None, dynamic_resizing: bool = True, **kwargs): # transfer basic functionality (_bg_color, size, _appearance_mode, scaling) to CTkBaseClass super().__init__(*args, bg_color=bg_color, width=width, height=height, **kwargs) # color variables self._fg_color = ThemeManager.theme["color"]["button"] if fg_color == "default_theme" else fg_color self._button_color = ThemeManager.theme["color"]["optionmenu_button"] if button_color == "default_theme" else button_color self._button_hover_color = ThemeManager.theme["color"]["optionmenu_button_hover"] if button_hover_color == "default_theme" else button_hover_color # shape self._corner_radius = ThemeManager.theme["shape"]["button_corner_radius"] if corner_radius == "default_theme" else corner_radius # text and font self._text_color = ThemeManager.theme["color"]["text"] if text_color == "default_theme" else text_color self._text_color_disabled = ThemeManager.theme["color"]["text_button_disabled"] if text_color_disabled == "default_theme" else text_color_disabled self._font = (ThemeManager.theme["text"]["font"], ThemeManager.theme["text"]["size"]) if font == "default_theme" else font self._dropdown_text_font = dropdown_text_font # callback and hover functionality self._command = command self._variable = variable self._variable_callback_blocked: bool = False self._variable_callback_name: Union[str, None] = None self._state = state self._hover = hover self._dynamic_resizing = dynamic_resizing if values is None: self._values = ["CTkOptionMenu"] else: self._values = values if len(self._values) > 0: self._current_value = self._values[0] else: self._current_value = "CTkOptionMenu" self._dropdown_menu = DropdownMenu(master=self, values=self._values, command=self._dropdown_callback, fg_color=dropdown_fg_color, hover_color=dropdown_hover_color, text_color=dropdown_text_color, font=dropdown_text_font) # configure grid system (1x1) self.grid_rowconfigure(0, weight=1) self.grid_columnconfigure(0, weight=1) self._canvas = CTkCanvas(master=self, highlightthickness=0, width=self._apply_widget_scaling(self._desired_width), height=self._apply_widget_scaling(self._desired_height)) self._canvas.grid(row=0, column=0, rowspan=1, columnspan=1, sticky="nsew") self._draw_engine = DrawEngine(self._canvas) left_section_width = self._current_width - self._current_height self._text_label = tkinter.Label(master=self, font=self._apply_font_scaling(self._font), anchor="w", text=self._current_value) self._text_label.grid(row=0, column=0, sticky="w", padx=(max(self._apply_widget_scaling(self._corner_radius), self._apply_widget_scaling(3)), max(self._apply_widget_scaling(self._current_width - left_section_width + 3), self._apply_widget_scaling(3)))) if not self._dynamic_resizing: self.grid_propagate(0) if Settings.cursor_manipulation_enabled: if sys.platform == "darwin": self.configure(cursor="pointinghand") elif sys.platform.startswith("win"): self.configure(cursor="hand2") # event bindings self._canvas.bind("", self._on_enter) self._canvas.bind("", self._on_leave) self._canvas.bind("", self._clicked) self._canvas.bind("", self._clicked) self._text_label.bind("", self._on_enter) self._text_label.bind("", self._on_leave) self._text_label.bind("", self._clicked) self._text_label.bind("", self._clicked) super().bind('', self._update_dimensions_event) self._draw() # initial draw if self._variable is not None: self._variable_callback_name = self._variable.trace_add("write", self._variable_callback) self._current_value = self._variable.get() self._text_label.configure(text=self._current_value) def _set_scaling(self, *args, **kwargs): super()._set_scaling(*args, **kwargs) # change label text size and grid padding left_section_width = self._current_width - self._current_height self._text_label.configure(font=self._apply_font_scaling(self._font)) self._text_label.grid(row=0, column=0, sticky="w", padx=(max(self._apply_widget_scaling(self._corner_radius), self._apply_widget_scaling(3)), max(self._apply_widget_scaling(self._current_width - left_section_width + 3), self._apply_widget_scaling(3)))) self._canvas.configure(width=self._apply_widget_scaling(self._desired_width), height=self._apply_widget_scaling(self._desired_height)) self._draw() def _set_dimensions(self, width: int = None, height: int = None): super()._set_dimensions(width, height) self._canvas.configure(width=self._apply_widget_scaling(self._desired_width), height=self._apply_widget_scaling(self._desired_height)) self._draw() def _draw(self, no_color_updates=False): left_section_width = self._current_width - self._current_height requires_recoloring = self._draw_engine.draw_rounded_rect_with_border_vertical_split(self._apply_widget_scaling(self._current_width), self._apply_widget_scaling(self._current_height), self._apply_widget_scaling(self._corner_radius), 0, self._apply_widget_scaling(left_section_width)) requires_recoloring_2 = self._draw_engine.draw_dropdown_arrow(self._apply_widget_scaling(self._current_width - (self._current_height / 2)), self._apply_widget_scaling(self._current_height / 2), self._apply_widget_scaling(self._current_height / 3)) if no_color_updates is False or requires_recoloring or requires_recoloring_2: self._canvas.configure(bg=ThemeManager.single_color(self._bg_color, self._appearance_mode)) self._canvas.itemconfig("inner_parts_left", outline=ThemeManager.single_color(self._fg_color, self._appearance_mode), fill=ThemeManager.single_color(self._fg_color, self._appearance_mode)) self._canvas.itemconfig("inner_parts_right", outline=ThemeManager.single_color(self._button_color, self._appearance_mode), fill=ThemeManager.single_color(self._button_color, self._appearance_mode)) self._text_label.configure(fg=ThemeManager.single_color(self._text_color, self._appearance_mode)) if self._state == tkinter.DISABLED: self._text_label.configure(fg=(ThemeManager.single_color(self._text_color_disabled, self._appearance_mode))) self._canvas.itemconfig("dropdown_arrow", fill=ThemeManager.single_color(self._text_color_disabled, self._appearance_mode)) else: self._text_label.configure(fg=ThemeManager.single_color(self._text_color, self._appearance_mode)) self._canvas.itemconfig("dropdown_arrow", fill=ThemeManager.single_color(self._text_color, self._appearance_mode)) self._text_label.configure(bg=ThemeManager.single_color(self._fg_color, self._appearance_mode)) self._canvas.update_idletasks() def configure(self, require_redraw=False, **kwargs): if "state" in kwargs: self._state = kwargs.pop("state") require_redraw = True if "fg_color" in kwargs: self._fg_color = kwargs.pop("fg_color") require_redraw = True if "button_color" in kwargs: self._button_color = kwargs.pop("button_color") require_redraw = True if "button_hover_color" in kwargs: self._button_hover_color = kwargs.pop("button_hover_color") require_redraw = True if "text_color" in kwargs: self._text_color = kwargs.pop("text_color") require_redraw = True if "font" in kwargs: self._font = kwargs.pop("font") self._text_label.configure(font=self._apply_font_scaling(self._font)) if "command" in kwargs: self._command = kwargs.pop("command") if "variable" in kwargs: if self._variable is not None: # remove old callback self._variable.trace_remove("write", self._variable_callback_name) self._variable = kwargs.pop("variable") if self._variable is not None and self._variable != "": self._variable_callback_name = self._variable.trace_add("write", self._variable_callback) self._current_value = self._variable.get() self._text_label.configure(text=self._current_value) else: self._variable = None if "width" in kwargs: self._set_dimensions(width=kwargs.pop("width")) if "height" in kwargs: self._set_dimensions(height=kwargs.pop("height")) if "values" in kwargs: self._values = kwargs.pop("values") self._dropdown_menu.configure(values=self._values) if "dropdown_color" in kwargs: self._dropdown_menu.configure(fg_color=kwargs.pop("dropdown_color")) if "dropdown_hover_color" in kwargs: self._dropdown_menu.configure(hover_color=kwargs.pop("dropdown_hover_color")) if "dropdown_text_color" in kwargs: self._dropdown_menu.configure(text_color=kwargs.pop("dropdown_text_color")) if "dropdown_text_font" in kwargs: self._dropdown_text_font = kwargs.pop("dropdown_text_font") self._dropdown_menu.configure(text_font=self._dropdown_text_font) if "dynamic_resizing" in kwargs: self._dynamic_resizing = kwargs.pop("dynamic_resizing") if not self._dynamic_resizing: self.grid_propagate(0) else: self.grid_propagate(1) super().configure(require_redraw=require_redraw, **kwargs) def cget(self, attribute_name: str) -> any: if attribute_name == "corner_radius": return self._corner_radius elif attribute_name == "fg_color": return self._fg_color elif attribute_name == "button_color": return self._button_color elif attribute_name == "button_hover_color": return self._button_hover_color elif attribute_name == "text_color": return self._text_color elif attribute_name == "text_color_disabled": return self._text_color_disabled elif attribute_name == "dropdown_fg_color": return self._dropdown_menu.cget("fg_color") elif attribute_name == "dropdown_hover_color": return self._dropdown_menu.cget("hover_color") elif attribute_name == "dropdown_text_color": return self._dropdown_menu.cget("text_color") elif attribute_name == "font": return self._font elif attribute_name == "dropdown_text_font": return self._dropdown_menu.cget("text_font") elif attribute_name == "values": return self._values elif attribute_name == "variable": return self._variable elif attribute_name == "state": return self._state elif attribute_name == "hover": return self._hover elif attribute_name == "command": return self._command elif attribute_name == "dynamic_resizing": return self._dynamic_resizing else: return super().cget(attribute_name) def _open_dropdown_menu(self): self._dropdown_menu.open(self.winfo_rootx(), self.winfo_rooty() + self._apply_widget_scaling(self._current_height + 0)) def _on_enter(self, event=0): if self._hover is True and self._state == tkinter.NORMAL and len(self._values) > 0: # set color of inner button parts to hover color self._canvas.itemconfig("inner_parts_right", outline=ThemeManager.single_color(self._button_hover_color, self._appearance_mode), fill=ThemeManager.single_color(self._button_hover_color, self._appearance_mode)) def _on_leave(self, event=0): if self._hover is True: # set color of inner button parts self._canvas.itemconfig("inner_parts_right", outline=ThemeManager.single_color(self._button_color, self._appearance_mode), fill=ThemeManager.single_color(self._button_color, self._appearance_mode)) def _variable_callback(self, var_name, index, mode): if not self._variable_callback_blocked: self._current_value = self._variable.get() self._text_label.configure(text=self._current_value) def _dropdown_callback(self, value: str): self._current_value = value self._text_label.configure(text=self._current_value) if self._variable is not None: self._variable_callback_blocked = True self._variable.set(self._current_value) self._variable_callback_blocked = False if self._command is not None: self._command(self._current_value) def set(self, value: str): self._current_value = value self._text_label.configure(text=self._current_value) if self._variable is not None: self._variable_callback_blocked = True self._variable.set(self._current_value) self._variable_callback_blocked = False def get(self) -> str: return self._current_value def _clicked(self, event=0): if self._state is not tkinter.DISABLED and len(self._values) > 0: self._open_dropdown_menu() def bind(self, sequence: str = None, command: Callable = None, add: str = None) -> str: """ called on the tkinter.Label and tkinter.Canvas """ canvas_bind_return = self._canvas.bind(sequence, command, add) label_bind_return = self._text_label.bind(sequence, command, add) return canvas_bind_return + " + " + label_bind_return def unbind(self, sequence: str, funcid: str = None): """ called on the tkinter.Label and tkinter.Canvas """ canvas_bind_return, label_bind_return = funcid.split(" + ") self._canvas.unbind(sequence, canvas_bind_return) self._text_label.unbind(sequence, label_bind_return)