[winswitch] Focus issue

Antoine Martin antoine at nagafix.co.uk
Fri Apr 17 17:12:35 BST 2020


On 17/04/2020 23:02, carl langlois wrote:
> HI,
> 
> You are right this seem to be a modal issue. Reproducing the problem
> with modal disable fix the freezing issue.
Great.

FYI: starting with version 4.0, modal-windows will be disabled by default.

> To trigger this i need to go in the check for modification
> dialog->remote changes->(you need to have some changes) if you double
> click on one of the changes it will popup two windows. On my side the
> two popup are freezing(Rabbitvcs issue ..)
Does it also freeze without xpra?

> but with modal disable i can
> xkill the rabbitvcs windows and resume normal operation.
> 
> This morning i had another phenomena like this one with other perl/tk
> applications but i was able to recover because not all windows was
> affected.. if it happen again i will try disabling the modal windows.
> 
> Great hints!!
> Since it is a modal issue to you need me to open a ticket?
No, it doesn't look like one is needed. (or maybe for the rabbitcvs freeze?)

Cheers,
Antoine

> Carl  
> 
> 
> 
> On Fri, Apr 17, 2020 at 11:16 AM Antoine Martin <antoine at nagafix.co.uk
> <mailto:antoine at nagafix.co.uk>> wrote:
> 
>     On 17/04/2020 19:26, carl langlois wrote:
>     > Hi,
>     > When it happen all the windows seems to be affected. It seem that all
>     > the. It look to me that some windows(application) grab the focus
>     and all
>     > the other application does not received even.
>     Please see --modal-windows=no
>     A modal window will stay on top of all other windows unless you turn off
>     this feature.
>     > I can currently easily reproduce the situation where a windows
>     freeze (i
>     > suspect a application bugs) . It seem that in this case the
>     application
>     > enter a weird state and freeze all other application managed by Xpra.
>     > Even new application started from the tray menu are not responding to
>     > the mouse.
>     Unless the server eventually disconnects, this sounds like a modal
>     window or a grab.
> 
>     > if i ssh to the workstation and kill the application everything is
>     start
>     > working again. I think this particular problem is coming from a bad
>     > behavior of Rabbitvcs.. I am not a expert in this kind of software but
>     > the fact that all the windows are frozen seems wrong.
>     Could be, it could also be a bug in xpra.
>     > Not sure how to tackle this situation. Not related to java application
>     > and i have seen this behavior with other perl/tk application,
>     > dophin file manager etc.
>     I've just tried it in an Ubuntu 19.10 virtual machine and I couldn't see
>     any obvious problems.
>     Do I have to use a specific dialog or action to trigger this bug?
> 
>     Assuming that this isn't a modal window problem, would you mind creating
>     a ticket for this problem?
> 
>     Thanks,
>     Antoine
> 
> 
>     > Carl.
>     >
>     >
>     >
>     >
>     > On Fri, Apr 17, 2020 at 2:55 AM Antoine Martin via shifter-users
>     > <shifter-users at lists.devloop.org.uk
>     <mailto:shifter-users at lists.devloop.org.uk>
>     > <mailto:shifter-users at lists.devloop.org.uk
>     <mailto:shifter-users at lists.devloop.org.uk>>> wrote:
>     >
>     >     On 17/04/2020 00:35, carl langlois via shifter-users wrote:
>     >     > Hi,
>     >     >
>     >     > Using 3.0.9 on both server(Ubuntu 19.10) and client(windows 10)
>     >     the mouse
>     >     > does not seem to click at the good location. Like if all
>     focus is
>     >     wrong
>     >     > between the windows and the mouse.
>     >     Is this with all applications or just a specific one? For all its
>     >     windows, or maybe just popup menus?
>     >     Does it not work with a plain xterm, or maybe your window is
>     maximized?
>     >     If the offset large or small? Are you using Wayland
>     client-side perhaps?
>     >
>     >     There are a number of tickets related to pointer offsets, but they
>     >     generally involve Java or proprietary applications. Here's a
>     ticket
>     >     which may be related:
>     >     http://xpra.org/trac/ticket/2600
>     >     If this is the right place, please add your information there.
>     >
>     >     Cheers,
>     >     Antoine
>     >
>     >
>     >     >
>     >     > Thanks and Regards
>     >     >
>     >     > Carl
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