Window previews in xfwm4

[Stephan Haller]

Hi Sonal,

no, as far as I know and see, xfwm4 does not interact with DBUS in any
way. And it should be not. That's the problem when thinking loud ;) 

I would prefer a public accessible function like
xfwm4_get_app_preview_by_xid() which I could call from the outside
returning a GdkPixbuf would be great. But I don't know what the xfwm4
devs say about such a public function.

But please put this feature request aside. First your work must be
accepted :)

And thanks for thinking about it.

Regards,
Stephan

Am Montag, den 12.01.2015, 05:28 -0800 schrieb Sonal Santan:
> Hello Stephan,
> 
> 
> Thanks for your feedback. 
> 
> 
> It is technically possible to access the preview images via DBUS. I am
> not sure about xfwm4 and DBUS interaction though. Does xfwm4 listen on
> dbus?
> 
> 
> -Sonal
> 
> 
> 
> On Sun, Jan 11, 2015 at 7:24 AM, Stephan Haller <nomad at froevel.de>
> wrote:
>         Hi Sonal,
>         
>         I tried it and ... awesome :) That's the missing feature I had
>         to xfwm4
>         and it works like a charm. Ok, to be honest it is not working
>         a long
>         time here but no crashes or strange behaviours since it is
>         running.
>         
>         I hope your work will be reviewed soon and of cource,
>         accepted :)
>         
>         But as usual, after one feature another feature request
>         follows ;) Don't
>         scare it is just a question: Do you think it will be possible
>         (in the
>         future) to access this preview images publically? E.g. via a
>         function
>         call or via DBUS or any other fancy interface? It would to
>         great to make
>         use of it in xfdashboard and would increase the user
>         experience to see
>         the window content from each minimized (or unmapped) window
>         from the
>         beginning. So I can get rid of my workaround when the user is
>         using
>         xfwm4 as his window manager which I believe most setups do.
>         That would
>         be totally awesome.
>         
>         Regards,
>         Stephan
>         
>         Am Sonntag, den 11.01.2015, 06:32 -0800 schrieb Sonal Santan:
>         > Hello,
>         >
>         > I think I have solved that bug. Now I request for preview
>         caching in
>         > clientWithdrawSingle() which works reliably for all
>         applications. I
>         > have pushed the changes to github. Please give it a try.
>         >
>         >
>         > -Sonal
>         >
>         >
>         > On Sat, Jan 10, 2015 at 5:42 PM, Sonal Santan
>         <sonal.santan at gmail.com>
>         > wrote:
>         >         Hello,
>         >
>         >         The missing preview bug I mentioned in my previous
>         email seems
>         >         to only affect XFCE Terminal if that makes any
>         sense.
>         >
>         >
>         >         -Sonal
>         >
>         >
>         >         On Sat, Jan 10, 2015 at 5:25 PM, Sonal Santan
>         >         <sonal.santan at gmail.com> wrote:
>         >                 Hello,
>         >
>         >
>         >                 I have upstreamed my changes for window
>         previews to
>         >                 https://github.com/sonals/xfwm4.git for
>         folks to try
>         >                 out. There is one bug I am still trying to
>         track down
>         >                 -- occasionally, the preview comes out as
>         blank for a
>         >                 minimized window. I capture the previews of
>         windows
>         >                 which are about to be minimized inside
>         unmap_win()
>         >                 hook of the compositor. Is this the correct
>         location
>         >                 for capturing the previews of windows which
>         are about
>         >                 to be minimized?
>         >
>         >
>         >                 For folks who are curious, the new function,
>         >                 update_win_preview() defined in compositor.c
>         captures
>         >                 the previews. XImage to GdkPixbuf conversion
>         happens
>         >                 in the new function,
>         gdk_pixbuf_xlib_get_from_image()
>         >                 defined in a new file previews.c.
>         >
>         >
>         >                 Will submit patches to the list after I have
>         taken
>         >                 care of the bug mentioned above.
>         >
>         >
>         >
>         >                 -Sonal
>         >
>         >
>         >
>         >
>         >
>         >
>         >
>         >
>         >
>         >
>         
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