Rare/rare/widgets/rare_app.py

import os
import sys
from argparse import Namespace
from logging import getLogger
from pathlib import Path

from PyQt5.QtCore import Qt, QSettings, QTranslator, QStandardPaths
from PyQt5.QtGui import QIcon
from PyQt5.QtWidgets import QApplication

# noinspection PyUnresolvedReferences
from legendary.core import LegendaryCore

import rare.resources.resources
from rare.utils.paths import resources_path
from rare.utils.misc import set_color_pallete, set_style_sheet


class RareApp(QApplication):
    logger = getLogger("RareApp")

    def __init__(self, args: Namespace):
        super(RareApp, self).__init__(sys.argv)
        self.setQuitOnLastWindowClosed(False)
        if hasattr(Qt, "AA_UseHighDpiPixmaps"):
            self.setAttribute(Qt.AA_UseHighDpiPixmaps)

        self.setApplicationName("Rare")
        self.setOrganizationName("Rare")
        self.settings = QSettings()

        # Translator
        self.translator = QTranslator()
        self.qt_translator = QTranslator()

        # Style
        # lk: this is a bit silly but serves well until we have a class
        # lk: store the default qt style name from the system on startup as a property for later reference
        self.setProperty("rareDefaultQtStyle", self.style().objectName())
        if (
                self.settings.value("color_scheme", None) is None
                and self.settings.value("style_sheet", None) is None
        ):
            self.settings.setValue("color_scheme", "")
            self.settings.setValue("style_sheet", "RareStyle")

        if color_scheme := self.settings.value("color_scheme", False):
            self.settings.setValue("style_sheet", "")
            set_color_pallete(color_scheme)
        elif style_sheet := self.settings.value("style_sheet", False):
            self.settings.setValue("color_scheme", "")
            set_style_sheet(style_sheet)
        self.setWindowIcon(QIcon(":/images/Rare.png"))

    def load_translator(self, lang: str):
        if os.path.isfile(f := os.path.join(resources_path, "languages", f"{lang}.qm")):
            self.translator.load(f)
            self.logger.info(f"Your language is supported: {lang}")
        elif not lang == "en":
            self.logger.info("Your language is not supported")
        self.installTranslator(self.translator)

        # translator for qt stuff
        if os.path.isfile(f := os.path.join(resources_path, f"qt_{lang}.qm")):
            self.qt_translator = QTranslator()
            self.qt_translator.load(f)
            self.installTranslator(self.qt_translator)