Change how dialogs are deleted

novelwriter/extensions/modified.py

@@ -45,6 +45,15 @@ if TYPE_CHECKING:  # pragma: no cover
 
 class NDialog(QDialog):
 
+    def softDelete(self) -> None:
+        """Since calling deleteLater is sometimes not safe from Python,
+        as the C++ object can be deleted before the Python process is
+        done with the object, we instead set the dialog's parent to None
+        so that it gets garbage collected when it runs out of scope.
+        """
+        self.setParent(None)  # type: ignore
+        return
+
     def keyPressEvent(self, event: QKeyEvent) -> None:
         """Overload keyPressEvent and forward escape to close."""
         if event.matches(QKeySequence.StandardKey.Cancel):