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

[Dan Lipsa]

Thanks Seb,
I'll have more questions when I get to implementing this.

Dan


On Fri, Jul 21, 2017 at 4:29 PM, Sebastien Jourdain <
sebastien.jourdain at kitware.com> wrote:

> 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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