Document handling

New/Open/Save/Save as and Undo/Redo

src/bedit_gui/application.py

@@ -1,18 +1,26 @@
 from __future__ import annotations
+
 import sys
 
 from PySide6.QtWidgets import QApplication
 
-from bedit_gui.resources import resources_rc
+from bedit_gui.controllers.document_controller import DocumentController
+from bedit_gui.controllers.undo_controller import UndoController
+from bedit_gui.documents import Document
+from bedit_gui.resources.generated import resources_rc  # noqa: F401
 from bedit_gui.views.main_window import MainWindow
 
+
 def main() -> int:
     app = QApplication(sys.argv)
 
     app.setOrganizationName("BEdit")
     app.setApplicationName("BEdit")
 
+    document = Document(app)
     window = MainWindow()
+    DocumentController(document, window)
+    UndoController(document, window)
     window.show()
 
     return app.exec()