[Octave-bug-tracker] [bug #53046] Variable Editor: feature request to make multiple tables visible at once.

[Torsten]

Follow-up Comment #32, bug #53046 (project octave):

The octave_dock_widgets are "manually" unparented when floating (make_window),
the general QDockWidget undocking operation does not unparent the widget.

But I see, that variable_dock_widget just uses setFloating without
unparenting, so this is not the reason for a floating widget staying visible
when VE is closed.

What we can do is emitting a signal when the VE is closed in order to hide
floating variable widgets. Or we can more generally change the visibility of
floating widgets depending on the VE's visibility.

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