Исходный код EJIO.ctk_extender.notification.position

## /ctk_extender/notification/position.py

from abc import ABC, abstractmethod
from EJIO.utils import SystemProperties
import customtkinter as ctk

__all__ = [
    'NotificationPosition',
    'get_position_strategy',
]




class NotificationPosition(ABC):
    """Абстрактный класс стратегии позиционирования уведомлений (In-App и Desktop)."""
    __slots__ = ()



    @abstractmethod
    def apply_in_app(self, widget: ctk.CTkFrame, offset_y: int) -> None:
        """Применяет координаты .place() внутри главного окна."""
        ...




    @abstractmethod
    def apply_desktop(self, window: ctk.CTkToplevel, offset_y: int, win_w: int, win_h: int) -> None:
        """Применяет координаты .geometry() на рабочем столе ОС."""
        ...




class TopRight(NotificationPosition):
    __slots__ = ()

    def apply_in_app(self, widget: ctk.CTkFrame, offset_y: int) -> None:
        widget.place(relx=0.98, y=offset_y, anchor="ne")

    def apply_desktop(self, window: ctk.CTkToplevel, offset_y: int, win_w: int, win_h: int) -> None:
        scr_w = SystemProperties.screen_width
        x = scr_w - win_w - 20
        window.geometry(f"{win_w}x{win_h}+{x}+{offset_y}")


class TopLeft(NotificationPosition):
    __slots__ = ()

    def apply_in_app(self, widget: ctk.CTkFrame, offset_y: int) -> None:
        widget.place(relx=0.02, y=offset_y, anchor="nw")

    def apply_desktop(self, window: ctk.CTkToplevel, offset_y: int, win_w: int, win_h: int) -> None:
        window.geometry(f"{win_w}x{win_h}+20+{offset_y}")


class BottomRight(NotificationPosition):
    __slots__ = ()

    def apply_in_app(self, widget: ctk.CTkFrame, offset_y: int) -> None:
        widget.place(relx=0.98, rely=0.95, y=-offset_y, anchor="se")

    def apply_desktop(self, window: ctk.CTkToplevel, offset_y: int, win_w: int, win_h: int) -> None:
        scr_w = SystemProperties.screen_width
        scr_h = SystemProperties.screen_height
        x = scr_w - win_w - 20
        y = scr_h - 60 - win_h - offset_y
        window.geometry(f"{win_w}x{win_h}+{x}+{y}")


class BottomLeft(NotificationPosition):
    __slots__ = ()

    def apply_in_app(self, widget: ctk.CTkFrame, offset_y: int) -> None:
        widget.place(relx=0.02, rely=0.95, y=-offset_y, anchor="sw")

    def apply_desktop(self, window: ctk.CTkToplevel, offset_y: int, win_w: int, win_h: int) -> None:
        scr_h = SystemProperties.screen_height
        y = scr_h - 60 - win_h - offset_y
        window.geometry(f"{win_w}x{win_h}+20+{y}")


class MidTopRight(NotificationPosition):
    __slots__ = ()

    def apply_in_app(self, widget: ctk.CTkFrame, offset_y: int) -> None:
        widget.place(relx=0.98, rely=0.25, y=offset_y, anchor="ne")

    def apply_desktop(self, window: ctk.CTkToplevel, offset_y: int, win_w: int, win_h: int) -> None:
        scr_w = SystemProperties.screen_width
        scr_h = SystemProperties.screen_height
        x = scr_w - win_w - 20
        y = int(scr_h * 0.25) + offset_y
        window.geometry(f"{win_w}x{win_h}+{x}+{y}")


class MidTopLeft(NotificationPosition):
    __slots__ = ()

    def apply_in_app(self, widget: ctk.CTkFrame, offset_y: int) -> None:
        widget.place(relx=0.02, rely=0.25, y=offset_y, anchor="nw")

    def apply_desktop(self, window: ctk.CTkToplevel, offset_y: int, win_w: int, win_h: int) -> None:
        scr_h = SystemProperties.screen_height
        y = int(scr_h * 0.25) + offset_y
        window.geometry(f"{win_w}x{win_h}+20+{y}")

# Локальная рантайм-карта маппинга строк в стратегии
_POSITION_MAP: dict[str, NotificationPosition] = {
    "top_right": TopRight(),
    "top_left": TopLeft(),
    "bottom_right": BottomRight(),
    "bottom_left": BottomLeft(),
    "mid_top_right": MidTopRight(),
    "mid_top_left": MidTopLeft()
}



def get_position_strategy(name: str) -> NotificationPosition:
    """Извлекает стратегию по её текстовому маркеру."""
    return _POSITION_MAP.get(name.lower(), TopRight())