Source code for pySimBlocks.gui.editor

# ******************************************************************************
#                                  pySimBlocks
#                     Copyright (c) 2026 Université de Lille & INRIA
# ******************************************************************************
#  This program is free software: you can redistribute it and/or modify it
#  under the terms of the GNU Lesser General Public License as published by
#  the Free Software Foundation, either version 3 of the License, or (at your
#  option) any later version.
#
#  This program is distributed in the hope that it will be useful, but WITHOUT
#  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
#  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
#  for more details.
#
#  You should have received a copy of the GNU Lesser General Public License
#  along with this program.  If not, see <https://www.gnu.org/licenses/>.
# ******************************************************************************
#  Authors: see Authors.txt
# ******************************************************************************

from __future__ import annotations

import sys
import os
from pathlib import Path
from PySide6.QtWidgets import QApplication



[docs]
def main() -> None:
    """Entry point for the pySimBlocks GUI editor.

    Reads an optional project directory from the command-line arguments,
    defaulting to the current working directory, then launches the application.
    """
    if len(sys.argv) > 1:
        project_dir = os.path.abspath(sys.argv[1])
    else:
        project_dir = os.getcwd()
    project_path = Path(project_dir).resolve()
    run_app(project_path)




[docs]
def run_app(project_path: Path) -> None:
    """Create and start the Qt application with a :class:`MainWindow`.

    Args:
        project_path: Resolved path to the project directory to open on
            startup.
    """
    app = QApplication.instance()
    if app is None:
        app = QApplication(sys.argv)
    # Import after QApplication so matplotlib Qt backends do not touch QFontDatabase early.
    from pySimBlocks.gui.main_window import MainWindow

    window = MainWindow(project_path)
    app.aboutToQuit.connect(window.cleanup)
    window.resize(1100, 600)
    window.show()
    sys.exit(app.exec())



if __name__ == "__main__":
    main()