[vtk-developers] VTKWeb support for multiple windows on the client

[Dan Lipsa]

Thanks Scott,
I was thinking to go one step further:
- Pass a map between the client elements(divs) and the server window ids. I
already have both the element ids and the server window ids.
- When a mouse event is received in vtkWebMouseListener we can use that map
and send the server window id the event applies too.

Dan



On Fri, Jul 21, 2017 at 11:40 AM, Scott Wittenburg <
scott.wittenburg at kitware.com> wrote:

> Hi Dan,
>
> In VtkWebMouseListener, it is the "view" key in the vtk event structure
> that indicates what view to send the event to on the server, and it does
> seem that there is no way to change it from -1, which indicates to send the
> event to the active view.  However, both the paraviewweb and vtkweb server
> protocols have mouse handlers which take the id of the target view as an
> option, so what you want to do seems to be supported on the server side at
> least.  But I agree with you that the VtkWebMouseListener does not seem to
> provide a mechanism to change that view id.  One thing we could do is have
> the VtkWebMouseListener take a view id as an optional 4th argument which
> defaults to -1, then use that in the zoom and drag listeners.
>
> If that makes sense to you, you can put together a PR on paraviewweb, and
> I'll be happy to review it.  Otherwise, get in touch with me offline and we
> can chat about it.  Hope this helps.
>
> Cheers,
> Scott
>
>
>
> On Fri, Jul 21, 2017 at 7:21 AM, Dan Lipsa <dan.lipsa at kitware.com> wrote:
>
>> Hi all,
>> We are using VTKWeb + ParaViewWebClient in the browser. We open several
>> VTK windows on the server and put them inside different panels (divs) in
>> the browser.
>>
>> Looking at VtkWebMouseListener/index.js it seems that there is no support
>> for this configuration.
>>
>> It seems that client has not concept of active view, so it always sends
>> mouse events to the server, regardless of the active view on the server.
>>
>> The resulting behavior is that you can move your mouse over a different
>> panel, but the active panel moves. Am I missing something?
>>
>> Thanks,
>> Dan
>>
>>
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