import tkinter import sys from typing import Union from .dropdown_menu import DropdownMenu 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 class CTkComboBox(CTkBaseClass): def __init__(self, *args, bg_color=None, fg_color="default_theme", border_color="default_theme", button_color="default_theme", button_hover_color="default_theme", dropdown_color="default_theme", dropdown_hover_color="default_theme", dropdown_text_color="default_theme", variable=None, values=None, command=None, width=140, height=28, corner_radius="default_theme", border_width="default_theme", text_font="default_theme", dropdown_text_font="default_theme", text_color="default_theme", text_color_disabled="default_theme", hover=True, state=tkinter.NORMAL, **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"]["entry"] if fg_color == "default_theme" else fg_color self.border_color = ThemeManager.theme["color"]["combobox_border"] if border_color == "default_theme" else border_color self.button_color = ThemeManager.theme["color"]["combobox_border"] if button_color == "default_theme" else button_color self.button_hover_color = ThemeManager.theme["color"]["combobox_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 self.border_width = ThemeManager.theme["shape"]["entry_border_width"] if border_width == "default_theme" else border_width # 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.text_font = (ThemeManager.theme["text"]["font"], ThemeManager.theme["text"]["size"]) if text_font == "default_theme" else text_font # callback and hover functionality self.function = command self.variable = variable self.state = state self.hover = hover if values is None: self.values = ["CTkComboBox"] else: self.values = values if len(self.values) > 0: self.current_value = self.values[0] else: self.current_value = "CTkComboBox" self.dropdown_menu = DropdownMenu(master=self, values=self.values, command=self.set, fg_color=dropdown_color, hover_color=dropdown_hover_color, text_color=dropdown_text_color, text_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) self.entry = tkinter.Entry(master=self, state=self.state, width=1, bd=0, highlightthickness=0, font=self.apply_font_scaling(self.text_font)) left_section_width = self._current_width - self._current_height self.entry.grid(row=0, column=0, rowspan=1, columnspan=1, sticky="ew", 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.entry.delete(0, tkinter.END) self.entry.insert(0, self.current_value) self.draw() # initial draw # event bindings self.canvas.tag_bind("right_parts", "", self.on_enter) self.canvas.tag_bind("dropdown_arrow", "", self.on_enter) self.canvas.tag_bind("right_parts", "", self.on_leave) self.canvas.tag_bind("dropdown_arrow", "", self.on_leave) self.canvas.tag_bind("right_parts", "", self.clicked) self.canvas.tag_bind("dropdown_arrow", "", self.clicked) self.bind('', self.update_dimensions_event) if self.variable is not None: self.entry.configure(textvariable=self.variable) def set_scaling(self, *args, **kwargs): super().set_scaling(*args, **kwargs) # change entry font size and grid padding left_section_width = self._current_width - self._current_height self.entry.configure(font=self.apply_font_scaling(self.text_font)) self.entry.grid(row=0, column=0, rowspan=1, columnspan=1, sticky="ew", 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), self.apply_widget_scaling(self.border_width), 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("border_parts_left", outline=ThemeManager.single_color(self.border_color, self._appearance_mode), fill=ThemeManager.single_color(self.border_color, self._appearance_mode)) self.canvas.itemconfig("inner_parts_right", outline=ThemeManager.single_color(self.border_color, self._appearance_mode), fill=ThemeManager.single_color(self.border_color, self._appearance_mode)) self.canvas.itemconfig("border_parts_right", outline=ThemeManager.single_color(self.border_color, self._appearance_mode), fill=ThemeManager.single_color(self.border_color, self._appearance_mode)) self.entry.configure(bg=ThemeManager.single_color(self.fg_color, self._appearance_mode), fg=ThemeManager.single_color(self.text_color, self._appearance_mode), disabledforeground=ThemeManager.single_color(self.text_color_disabled, self._appearance_mode), disabledbackground=ThemeManager.single_color(self.fg_color, self._appearance_mode)) if self.state == tkinter.DISABLED: self.canvas.itemconfig("dropdown_arrow", fill=ThemeManager.single_color(self.text_color_disabled, self._appearance_mode)) else: self.canvas.itemconfig("dropdown_arrow", fill=ThemeManager.single_color(self.text_color, self._appearance_mode)) def open_dropdown_menu(self): self.dropdown_menu.open(self.winfo_rootx(), self.winfo_rooty() + self.apply_widget_scaling(self._current_height + 0)) def configure(self, *args, **kwargs): require_redraw = False # some attribute changes require a call of self.draw() at the end if "state" in kwargs: self.state = kwargs["state"] self.entry.configure(state=self.state) require_redraw = True del kwargs["state"] if "fg_color" in kwargs: self.fg_color = kwargs["fg_color"] require_redraw = True del kwargs["fg_color"] if "bg_color" in kwargs: if kwargs["bg_color"] is None: self.bg_color = self.detect_color_of_master() else: self.bg_color = kwargs["bg_color"] require_redraw = True del kwargs["bg_color"] if "button_color" in kwargs: self.button_color = kwargs["button_color"] require_redraw = True del kwargs["button_color"] if "button_hover_color" in kwargs: self.button_hover_color = kwargs["button_hover_color"] require_redraw = True del kwargs["button_hover_color"] if "text_color" in kwargs: self.text_color = kwargs["text_color"] require_redraw = True del kwargs["text_color"] if "command" in kwargs: self.function = kwargs["command"] del kwargs["command"] if "variable" in kwargs: self.variable = kwargs["variable"] self.entry.configure(textvariable=self.variable) del kwargs["variable"] if "width" in kwargs: self.set_dimensions(width=kwargs["width"]) del kwargs["width"] if "height" in kwargs: self.set_dimensions(height=kwargs["height"]) del kwargs["height"] if "values" in kwargs: self.values = kwargs["values"] del kwargs["values"] self.dropdown_menu.configure(values=self.values) if "dropdown_color" in kwargs: self.dropdown_menu.configure(fg_color=kwargs["dropdown_color"]) del kwargs["dropdown_color"] if "dropdown_hover_color" in kwargs: self.dropdown_menu.configure(hover_color=kwargs["dropdown_hover_color"]) del kwargs["dropdown_hover_color"] if "dropdown_text_color" in kwargs: self.dropdown_menu.configure(text_color=kwargs["dropdown_text_color"]) del kwargs["dropdown_text_color"] if "dropdown_text_font" in kwargs: self.dropdown_menu.configure(text_font=kwargs["dropdown_text_font"]) del kwargs["dropdown_text_font"] super().configure(*args, **kwargs) if require_redraw: self.draw() def on_enter(self, event=0): if self.hover is True and self.state == tkinter.NORMAL and len(self.values) > 0: if sys.platform == "darwin" and len(self.values) > 0 and Settings.cursor_manipulation_enabled: self.canvas.configure(cursor="pointinghand") elif sys.platform.startswith("win") and len(self.values) > 0 and Settings.cursor_manipulation_enabled: self.canvas.configure(cursor="hand2") # 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)) self.canvas.itemconfig("border_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: if sys.platform == "darwin" and len(self.values) > 0 and Settings.cursor_manipulation_enabled: self.canvas.configure(cursor="arrow") elif sys.platform.startswith("win") and len(self.values) > 0 and Settings.cursor_manipulation_enabled: self.canvas.configure(cursor="arrow") # 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)) self.canvas.itemconfig("border_parts_right", outline=ThemeManager.single_color(self.button_color, self._appearance_mode), fill=ThemeManager.single_color(self.button_color, self._appearance_mode)) def set(self, value: str, from_variable_callback: bool = False): self.current_value = value self.entry.delete(0, tkinter.END) self.entry.insert(0, self.current_value) if not from_variable_callback: if self.function is not None: self.function(self.current_value) def get(self) -> str: return self.entry.get() def clicked(self, event=0): if self.state is not tkinter.DISABLED and len(self.values) > 0: self.open_dropdown_menu()