On Thu, 2017-03-02 at 13:00 -0300, Thiago Nascimento Araujo wrote: > Hi, > > First of all, thank you all for the quick answers. > > The cut off message was my fault, sorry about that. > > I am trying to understand this: > > Lets say I am connected to a win/lnx guest though remote-viewer and > my remote-viewer is a window with the dimensions 1440x900, so: > > When I resize the window from 1440x900 to 1024x768 (manually resize > the remote-viewer window, not the screen resolution inside the > guest), what is the process involved from the remote-viewer to > communicate to the guest (with spice-guest-tools installed) to > peform the guest resize ? > > Is something like: > a) remote-viewer inform his new resolution sending a message ? yes > b) the agents capture this message ? no (not anymore) server takes this message and sends it to the QXL video card
> c) the agents set the new resolution inside the client ? the window manager notices the change and adjusts the resolution > > I want to understand how "arbitrary resolution" are possible. > I can't create an arbitrary resolution using the win-api, for > example, all I can do is search for the available modes starting the > devnode using enumdisplay from win-api. But using remote-viewer I > can force a 672x350 resolution for example. > > So, why I need this? > > I am trying to create a way to grab a window resolution (the windows > explorer at 700x500 window resolution, for example) and set the win > guest screen resolution to match the same resolution of the > explorer. Wrapping the remote-viewer window around the explorer and > adapt when is needed. > > I am implementing a VDi solution that works like a "terminal service > app". > > An user wants to use a notepad, for example, then I created a > program that resides inside the win guest, that receives the desired > app and hides everything else (desktop, taskbar, start menu, blocks > win-menu and other keys bindings) and only present the user with > notepad. (There's a similar solution for lnx as well in progress) > > So far, everything is ok for win/lnx (most of it) guests - the only > thing I can't do, is set arbitrary resolutions, specially on windows > guests. > > So I thought: I have to find a way to grab the notepad resolution > (that part is done) and send it to the spice-channel and create the > "wrapping effect around notepad". > This sounds like the Seamless application project, please take a look at https://www.spice-space.org/seamless-applications.html Any comments are welcomed > Thank you all in advance. > > PS: sorry about my english - still learning. > > > ----- Mensagem original ----- > De: "Jonathon Jongsma" <jjong...@redhat.com> > Para: "Thiago Nascimento Araujo" <tara...@artit.com.br>, spice-devel > @lists.freedesktop.org > Enviadas: Quinta-feira, 2 de março de 2017 12:05:46 > Assunto: Re: [Spice-devel] How to send a custom resolution message > to windows/linux guest vdagent > > On Thu, 2017-03-02 at 03:58 -0300, Thiago Nascimento Araujo wrote: > > Hello, > > > > Is there a way to send a spice message, connect to pipe, or any > > other > > method to contact vdservice/vdagent to create/simulate a resize to > > an > > arbitrary resolution or full screen effect caused by remote- > > viewer? > > > > Any other ways I can connect to the named pipes (windows guests or > > linux guests) and watch/debug/learn. I cant find or connect to the > > windows guest named pipe and I got connection refused trying to > > socat > > to a port in linux guest. > > > > I really need some guidance to fully understand how arbitrary > > resolutions are created using win/lnx/spice api. > > > > Thanks in advance. > > > > Or a way to > > ___________________ > > Hi Thiago, > > Seems your message got cut off or something. > > My main question is: what is your end goal exactly? You say you're > trying to simulate a resize and therefore you want to connect to a > named pipe to do that. But there are probably better ways to do > that, > depending on your final goal. Also note that in recent linux guests, > the vdagent executable is not really involved in the resolution > changing process at all. Once we know what you're actually trying to > do > it will probably be easier to help you. > > Cheers, > Jonathon > _______________________________________________ > Spice-devel mailing list > Spice-devel@lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/spice-devel _______________________________________________ Spice-devel mailing list Spice-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/spice-devel
