xinerama between 2 vnc (seamless desktop)

2008-04-17 Thread j.mrazek
Hi,
  does anybody know howto create seamless desktop
from two vncs (move windows from 1 vnc to the other)? 

I searched a lot, no result.  Nothing like vnc2vnc found,  
x2vnc  works afaik just from real to virtual and anyway 
it does not transport windows - just mouse and keyboard.

 My case 1:

a/laptop - 1024x768
b/big screen 1280x1024
c/remote pc that runs my (X) programs (in vnc or several vncs).

I have an application that runs and displays on remote
pc and I check the results and work there via vnc. So far so good.
The problem arises when I want to connect from smaller or bigger display
then Xvnc has. Ok - use paid version of realvnc - you answer. 
(they offer desktop scaling). Hmmm.

My case 2:

  I would like to have a seamless desktop (moving windows) through
multiple monitors on multiple machines. There exist a solution -
I can run a special xserver, but using vnc would be *extremely easily*
scalable. You just open whatever you want wherever you want.

thanks,
jar
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Re: xinerama between 2 vnc (seamless desktop)

2008-04-18 Thread j.mrazek
   I can see that many misunderstandings may arise from the OS used, and
as there is 98% windows users, I should say, that I use linux/fedora and
I tried several beautiful things like synergy, x2vnc, Xdmx to connect
2 pc with some monitors. So the solutions for win are clearly not for
me.

first thanks to Sean - synergy works (very well) with realX, but there
are separate screens (and I've had some problems when comb. with vnc)

second: I have good news and bad news - see at the end

to Ben,
thanks for the reply - there apparently was some misunderstanding
and I admit, that I may have caused it. 



On Thu, 2008-04-17 at 08:21 -0700, McBeen, Ben wrote:
> I think you have a basic misunderstanding of a few things:

no, I perfectly know what is what

> 1) what vnc is
> 2) what is a window
> 3) what is an application
> 
> Your question is pretty much beyond the scope of this discussion, but  
> I'll try to make it quick.
> 
> Vnc sends your mouse movements and keyboard entries on a remote  
> computer. That remote computer then sends back the video image in real  
> time. It does not under stand the concept of a window or an  
> application. Is has no need to.
> 
> A window is a visual metaphor that allows us to communicate with our  
> applications
> 
> An application is a set of instructions that allows a computer to  
> perform a particular task.
> 
> To do what you want:
> 1) VNC would need to know that you are dragging a window.
> 2) VNC would need to be able to copy memory from one machine to  
> another, based upon the window you are moving.
> 3) VNC would need to execute a particular program, and then some how  
> transfer it's state from one computer to the other.
> 4) applications would need to use unprotected memory, or have  
> extensive apis that allowed you to load and save memory states.

1/ ALL the vncservers would run on the SAME machine. Your points 2-4 are
automaticaly off.
2/ They just need to behave like some desktop-switchers do. Once you
move a window across, a part is displayed on desktop one, the rest on
desktop two. It should not be a big deal to have it in VNC:
  a/ changing DISPLAY of a running window might be not that easy...
  b/ but ureating a scalable vncserver & viewport option is not anything
completely new...


Then, there is no real problem to use whatever machine/monitor anywhere
to look at your vncviewer and control it from another, I do it
everyday. 


  I've found that some vncviewer (but which?) has a '-clip' option - I
havent tested, the effect might be similar - port to a large desktop. My
free realvnc has not this. If fullscreen works fine -  then it's that...

---

   Now - the good news - I've found it!
http://www.ncsa.uiuc.edu/Projects/DWiB/vnc.html
  You can create walls from the different viewports
 
--
   And the bad news - it probably doesnot exist anymore.


 
jar




 
> Now, I totally agree that this would rock if it actually existed. just  
> don't hold your breath. Who knows... maybe I'm just being pessimistic.
> 
> -----
> Ben McBeen
> Information Technology Systems Engineer
> Plumas Bank
> 530-283-7305 x7602
> 
> 
> 
> On Apr 16, 2008, at 11:59 PM, j.mrazek wrote:
> 
> > Hi,
> >  does anybody know howto create seamless desktop
> > from two vncs (move windows from 1 vnc to the other)?
> >
> > I searched a lot, no result.  Nothing like vnc2vnc found,
> > x2vnc  works afaik just from real to virtual and anyway
> > it does not transport windows - just mouse and keyboard.
> >
> > My case 1:
> >
> > a/laptop - 1024x768
> > b/big screen 1280x1024
> > c/remote pc that runs my (X) programs (in vnc or several vncs).
> >
> >I have an application that runs and displays on remote
> > pc and I check the results and work there via vnc. So far so good.
> > The problem arises when I want to connect from smaller or bigger  
> > display
> > then Xvnc has. Ok - use paid version of realvnc - you answer.
> > (they offer desktop scaling). Hmmm.
> >
> > My case 2:
> >
> >  I would like to have a seamless desktop (moving windows) through
> > multiple monitors on multiple machines. There exist a solution -
> > I can run a special xserver, but using vnc would be *extremely easily*
> > scalable. You just open whatever you want wherever you want.
> >
> > thanks,
> > jar
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> > VNC-List@realvnc.com
> > To remove yourself from the list visit:
> > http://www.realvnc.com/mailman/listinfo/vnc-list
> 
>

Re: simulated fullscreen

2008-04-28 Thread j.mrazek
Hi, 
  I have no help for you, but I ave the same problem - I have 2 monitors
connected to form one seamless desktop. 
  If I run a virtual machine in VirtualBox, I can set fullscreen in the
VM and its screen takes precisely one of the monitors, leaving the other
intact - this looks like I have 2 PCs with one mouse and keyboard.
  Unfortunately, if I set fullscreen in vncviewer, it takes both
monitors. Patching this shouldn't be that difficult.
jar.

On Mon, 2008-04-28 at 19:52 -0700, Michael V. wrote:
> I very much appreciate your answer, but it does not solve my problem.  It is 
> my fault as I was not more clear about my situation.  I need the behavior I 
> described below with no interaction on the part of the user.  I have a button 
> on my custom app that when pressed, sends a command to run the ReaVNC viewer. 
>  I need the viewer to come up fullscreen, no title or scroll bars, on the 
> left monitor only, with the video card set to horizontal span.
> 
> TIA,
> Michael
> 
> - Original Message 
> From: "Seak, Teng-Fong" <[EMAIL PROTECTED]>
> To: vnc-list@realvnc.com
> Sent: Monday, April 28, 2008 5:47:03 AM
> Subject: Re: simulated fullscreen
> 
> 1. Open the VNC viewer (4.1.2) and have it connected to your VNC server.
> 2. Move the viewer to the monitor you want
> 3. Press F8 and choose "Full Screen" from the menu
> 
>  Whether it has scroll or not depends on your viewer monitor's
> size and server screen's size.  Make sure that the client screen size
> is bigger than the server's.
> 
> On Thu, Apr 24, 2008 at 7:53 PM, Michael V. <[EMAIL PROTECTED]> wrote:
> > Here is my situation.  I am running Version 4.1.2.  I have the server on a 
> > RedHat box.  I have the viewer on a WinXP box.  On the WinXP box I have 
> > dual monitor set up such that my desktop gets stretched across both 
> > monitors.  I have a custom application that takes up both monitors.  What I 
> > would like is for the VNC window to come up on the left monitor, take up 
> > all the real estate on the left monitor only, and have no scroll bars or 
> > title bar.  In a *.vnc file, if I have FullScreen=0, the VNC window appears 
> > with the title and scroll bars, but I can place it where I want.  If I have 
> > FullScreen=1, it takes up both monitors.  Is there a way to configure this 
> > as I have described above.  I have been looking through the archives for a 
> > few hours now and have gotten no where very fast.  Thank you in advanced 
> > for any help.
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