Hi Maurizio, Can you explain to me the relation between several classes.
I'm having some debugging problems and an overview of the intent might help
me.

The class GlissandoSegment -> LineSegment -> SpannerSegment -> Element
Glissando -> SLine -> Spanner -> Element

My situation is that I've added a new property the the Glissando (with a QT
interface to edit the property).
However, when I select a glissando in the score GUI, and change this
property, I see that the SpannerSegment::setProperty method is called, which
explicitly calls Element::setProperty.
This results in a qFatal being called in element.cpp inside
Element::setProperty().

Do you know whether I need to set up parallel properties between
GlissandoSegment and Glissando?
Or how is this supposed to work?

Kind regards and thanks for the help.
Jim




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