main.py

import subprocess
import sys

from PySide6.QtCore import Qt
from PySide6.QtGui import QColor, QPalette
from PySide6.QtWidgets import QApplication, QMessageBox


def _check_ffmpeg() -> bool:
    try:
        subprocess.run(["ffprobe", "-version"], capture_output=True, check=True)
        return True
    except (FileNotFoundError, subprocess.CalledProcessError):
        return False


def _dark_palette(app: QApplication):
    app.setStyle("Fusion")
    pal = QPalette()
    pal.setColor(QPalette.Window,          QColor(28, 28, 28))
    pal.setColor(QPalette.WindowText,      QColor(220, 220, 220))
    pal.setColor(QPalette.Base,            QColor(18, 18, 18))
    pal.setColor(QPalette.AlternateBase,   QColor(38, 38, 38))
    pal.setColor(QPalette.ToolTipBase,     QColor(42, 42, 42))
    pal.setColor(QPalette.ToolTipText,     QColor(220, 220, 220))
    pal.setColor(QPalette.Text,            QColor(220, 220, 220))
    pal.setColor(QPalette.Button,          QColor(42, 42, 42))
    pal.setColor(QPalette.ButtonText,      QColor(220, 220, 220))
    pal.setColor(QPalette.BrightText,      Qt.red)
    pal.setColor(QPalette.Highlight,       QColor(0, 120, 215))
    pal.setColor(QPalette.HighlightedText, Qt.white)
    pal.setColor(QPalette.Disabled, QPalette.Text,       QColor(100, 100, 100))
    pal.setColor(QPalette.Disabled, QPalette.ButtonText, QColor(100, 100, 100))
    app.setPalette(pal)


def main():
    app = QApplication(sys.argv)
    app.setApplicationName("ProyectoEditor")
    _dark_palette(app)

    if not _check_ffmpeg():
        QMessageBox.critical(
            None,
            "FFmpeg no encontrado",
            "FFmpeg no está instalado o no está en el PATH.\n\n"
            "Descárgalo desde:  https://ffmpeg.org/download.html\n"
            "Luego agrega la carpeta  bin/  al PATH de Windows y reinicia la app.",
        )
        sys.exit(1)

    from ui.main_window import MainWindow
    win = MainWindow()
    win.show()
    sys.exit(app.exec())


if __name__ == "__main__":
    main()