src/UI/LockedAppDialog.py - master - Flipper/Marginal

src/UI/LockedAppDialog.py
95 строк3 KB
Alex
Marginal v1.0.0 RELEASE
11 янв 2026, 18:02
11 янв 2026, 18:025e1eff8
from PySide6.QtWidgets import (
    QDialog,
    QVBoxLayout,
    QHBoxLayout,
    QLabel,
    QPushButton
)
from PySide6.QtCore import Qt
import compiled_resources
from PySide6.QtGui import QIcon


class LockedAppDialog(QDialog):
    """
    Dialog displayed when another instance of the application is already running.
    Informs the user that the application is locked and provides a close option.
    """

    def __init__(self, translator):
        """
        Initialize LockedAppDialog with translator for internationalization.

        Args:
            translator (AppTranslator): Application translator instance.
        """
        super().__init__()
        self.translate = translator.translate
        self.setupUi()

    def setupUi(self):
        """
        Set up dialog UI components, layout, and styling.

        Returns:
            None
        """
        # Window settings
        self.setWindowTitle("Marginal - locked")
        self.setFixedSize(450, 200)
        self.setModal(True)  # Blocks interaction with other windows
        self.setWindowIcon(QIcon(":/resources/sprites/Icon_lock_small.png"))

        # Create layout hierarchy
        mainLayout = QVBoxLayout()
        contentLayout = QVBoxLayout()  # For header and message
        buttonLayout = QHBoxLayout()  # For close button

        # Header label (application already running warning)
        headerLabel = QLabel(self.translate("App is already running"))
        headerLabel.setAlignment(Qt.AlignLeft)
        headerLabel.setStyleSheet(
            "margin: 10px 0px 5px 15px; "
            "font-size: 20px; "
            "font-weight: bold;"
        )

        # Informational message with troubleshooting hint
        messageText = QLabel(
            f"{self.translate('It appears that another instance of the application is already running.')}\n"
            f"{self.translate('If you believe this message is incorrect, please try restarting your system.')}"
        )
        messageText.setWordWrap(True)
        messageText.setAlignment(Qt.AlignLeft)
        messageText.setStyleSheet(
            "margin: 0px 15px 15px 15px; "
            "line-height: 1.4;"  # Improves text readability
        )

        # Close button to dismiss the dialog
        closeButton = QPushButton(self.translate("Close"))
        closeButton.setFixedSize(90, 32)
        closeButton.clicked.connect(self.closeApplication)

        # Arrange layouts
        contentLayout.addWidget(headerLabel)
        contentLayout.addWidget(messageText)
        contentLayout.addStretch()  # Push content to top

        buttonLayout.addStretch()  # Push button to right
        buttonLayout.addWidget(closeButton)

        mainLayout.addLayout(contentLayout)
        mainLayout.addLayout(buttonLayout)
        mainLayout.setContentsMargins(10, 10, 10, 10)  # Window margin

        self.setLayout(mainLayout)

    def closeApplication(self):
        """
        Close the dialog window.

        Returns:
            None
        """
        self.close()