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

[Sebastien Jourdain]

I would rather have one vtkWebMouseListener per div so each listener has
its own view id.

On Fri, Jul 21, 2017 at 10:17 AM, Dan Lipsa <dan.lipsa at kitware.com> wrote:

> 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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>>
>
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