mirror of
https://github.com/TomSchimansky/CustomTkinter.git
synced 2023-08-10 21:13:13 +03:00
200 lines
8.2 KiB
Python
200 lines
8.2 KiB
Python
import tkinter
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import sys
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import copy
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import re
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from typing import Union, Tuple, Callable, List
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from ..theme_manager import ThemeManager
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from ..appearance_mode_tracker import AppearanceModeTracker
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from ..scaling_tracker import ScalingTracker
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class DropdownMenu(tkinter.Menu):
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def __init__(self, *args,
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min_character_width: int = 18,
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fg_color: Union[str, Tuple[str, str]] = "default_theme",
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hover_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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font: Union[str, Tuple[str, str]] = "default_theme",
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command: Callable = None,
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values: List[str] = None,
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**kwargs):
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super().__init__(*args, **kwargs)
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ScalingTracker.add_widget(self._set_scaling, self)
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self._widget_scaling = ScalingTracker.get_widget_scaling(self)
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self._spacing_scaling = ScalingTracker.get_spacing_scaling(self)
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AppearanceModeTracker.add(self._set_appearance_mode, self)
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self._appearance_mode = AppearanceModeTracker.get_mode() # 0: "Light" 1: "Dark"
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self._min_character_width = min_character_width
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self._fg_color = ThemeManager.theme["color"]["dropdown_color"] if fg_color == "default_theme" else fg_color
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self._hover_color = ThemeManager.theme["color"]["dropdown_hover"] if hover_color == "default_theme" else hover_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._font = (ThemeManager.theme["text"]["font"], ThemeManager.theme["text"]["size"]) if font == "default_theme" else font
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self._configure_menu_for_platforms()
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self._values = values
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self._command = command
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self._add_menu_commands()
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def _configure_menu_for_platforms(self):
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""" apply platform specific appearance attributes, configure all colors """
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if sys.platform == "darwin":
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self.configure(tearoff=False,
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font=self._apply_font_scaling(self._font))
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elif sys.platform.startswith("win"):
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print("dropdon win")
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self.configure(tearoff=False,
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relief="flat",
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activebackground=ThemeManager.single_color(self._hover_color, self._appearance_mode),
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borderwidth=0,
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activeborderwidth=self._apply_widget_scaling(4),
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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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activeforeground=ThemeManager.single_color(self._text_color, self._appearance_mode),
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font=self._apply_font_scaling(self._font),
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cursor="hand2")
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else:
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self.configure(tearoff=False,
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relief="flat",
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activebackground=ThemeManager.single_color(self._hover_color, self._appearance_mode),
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borderwidth=0,
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activeborderwidth=0,
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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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activeforeground=ThemeManager.single_color(self._text_color, self._appearance_mode),
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font=self._apply_font_scaling(self._font))
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def _add_menu_commands(self):
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""" delete existing menu labels and createe new labels with command according to values list """
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self.delete(0, "end") # delete all old commands
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if sys.platform.startswith("linux"):
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for value in self._values:
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self.add_command(label=" " + value.ljust(self._min_character_width) + " ",
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command=lambda v=value: self._button_callback(v),
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compound="left")
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else:
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for value in self._values:
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self.add_command(label=value.ljust(self._min_character_width),
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command=lambda v=value: self._button_callback(v),
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compound="left")
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def _button_callback(self, value):
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if self._command is not None:
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self._command(value)
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def open(self, x: Union[int, float], y: Union[int, float]):
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if sys.platform == "darwin":
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y += self._apply_widget_scaling(8)
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else:
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y += self._apply_widget_scaling(3)
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if sys.platform == "darwin" or sys.platform.startswith("win"):
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self.post(int(x), int(y))
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else: # Linux
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self.tk_popup(int(x), int(y))
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def configure(self, **kwargs):
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if "fg_color" in kwargs:
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self._fg_color = kwargs.pop("fg_color")
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self.configure(bg=ThemeManager.single_color(self._fg_color, self._appearance_mode))
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if "hover_color" in kwargs:
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self._hover_color = kwargs.pop("hover_color")
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self.configure(activebackground=ThemeManager.single_color(self._hover_color, self._appearance_mode))
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if "text_color" in kwargs:
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self._text_color = kwargs.pop("text_color")
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self.configure(fg=ThemeManager.single_color(self._text_color, self._appearance_mode))
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if "font" in kwargs:
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self._font = kwargs.pop("font")
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super().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 "values" in kwargs:
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self._values = kwargs.pop("values")
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self._add_menu_commands()
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super().configure(**kwargs)
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def cget(self, attribute_name: str) -> any:
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if attribute_name == "min_character_width":
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return self._min_character_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 == "hover_color":
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return self._hover_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 == "font":
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return self._font
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elif attribute_name == "command":
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return self._command
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elif attribute_name == "values":
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return self._values
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def _apply_widget_scaling(self, value: Union[int, float, str]) -> Union[float, str]:
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if isinstance(value, (int, float)):
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return value * self._widget_scaling
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else:
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return value
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def _apply_font_scaling(self, font):
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if type(font) == tuple or type(font) == list:
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font_list = list(font)
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for i in range(len(font_list)):
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if (type(font_list[i]) == int or type(font_list[i]) == float) and font_list[i] < 0:
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font_list[i] = int(font_list[i] * self._widget_scaling)
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return tuple(font_list)
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elif type(font) == str:
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for negative_number in re.findall(r" -\d* ", font):
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font = font.replace(negative_number, f" {int(int(negative_number) * self._widget_scaling)} ")
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return font
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elif isinstance(font, tkinter.font.Font):
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new_font_object = copy.copy(font)
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if font.cget("size") < 0:
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new_font_object.config(size=int(font.cget("size") * self._widget_scaling))
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return new_font_object
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else:
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return font
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def _set_scaling(self, new_widget_scaling, new_spacing_scaling, new_window_scaling):
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self._widget_scaling = new_widget_scaling
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self._spacing_scaling = new_spacing_scaling
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super().configure(font=self._apply_font_scaling(self._font))
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if sys.platform.startswith("win"):
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self.configure(activeborderwidth=self._apply_widget_scaling(4))
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def _set_appearance_mode(self, mode_string):
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""" colors won't update on appearance mode change when dropdown is open, because it's not necessary """
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if mode_string.lower() == "dark":
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self._appearance_mode = 1
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elif mode_string.lower() == "light":
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self._appearance_mode = 0
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self._configure_menu_for_platforms()
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