[Paraview-developers] Which signal to use when trying to register a change of the background color of a view?

[Utkarsh Ayachit]

There's no Qt signal, but there are VTK events.

There are multiple ways:
+ Listen to vtkCommand::ModifiedEvent fired by the property itself.
+ Listen to vtkCommand::PropertyModifiedEvent fired by the view proxy. In
it's call data, the name of the modified property will be provided.
+ Listen to vtkCommand::PropertyModifiedEvent fired by
vtkSMSessionProxyManager. It's call data is an instance
of vtkSMProxyManager::ModifiedPropertyInformation which has reference to
the proxy that was modified and the name of the property that was modified.

Utkarsh


On Mon, Jan 5, 2015 at 3:25 AM, <Anton.Piccardo-Selg at tessella.com> wrote:

> Hi,
>
> I am currently working on a customization of the ParaView application. The
> app makes use of the *pqViewSettingsReaction *class to provide the user
> with the ability to change the background color of a view. This works well,
> but I would like to keep track of the newly selected color.
>
> Hence my question: What is the appropriate signal to register a newly
> applied background color by the user?  I would like to be notified when the
> user switches the background color and then retrieve the new background
> color.
>
> Thanks and best regards,
>
> Anton
>
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