detect-gui/core/context.py

from PyQt5.QtWidgets import QMainWindow


class AppContext:
    """
    存放一些全局服务对象
    """
    # 显示比例
    _display_ratio = 1
    # EdgeContext
    _edge_context = None
    # 主窗口
    _main_window: QMainWindow = None

    @staticmethod
    def set_ratio(ratio):
        AppContext._display_ratio = ratio

    @staticmethod
    def get_ratio():
        return AppContext._display_ratio

    @staticmethod
    def set_edge_context(ctx):
        AppContext._edge_context = ctx

    @staticmethod
    def get_edge_context():
        return AppContext._edge_context

    @staticmethod
    def set_main_window(win):
        AppContext._main_window = win

    @staticmethod
    def get_main_window():
        return AppContext._main_window