[CentOS] X11 virtual screens on centos 5

William L. Maltby CentOS4Bill at triad.rr.com
Sun Sep 16 22:35:43 UTC 2007

On Tue, 2007-09-04 at 21:40 -0400, Jerry Geis wrote:
> When the you select an X11 virtual screen (1 of 4) with the mouse on 
> default centos 5
> what command gets executed to show screen 1, screen 2 etc...
> Basically, I want to have a command or know the command
> to     execute to show the desired virtual X11 screen.

I'm not knowledgeable about this specific topic, but the last X question
I saw got no response for over a week, so I thought I would jump in.
That resulted in an immediate response by one who seems knowledgeable.
Som *my* level of knowledge is not significant in that scenario and may
have value as an irritant.  :-)

Regardless, it may be that question is so X-centric and CentOS-remote
that few want to pursue it. Other lists/resources may be best.

Anyway, so, ...

It would surprise me if a "command to execute" exists. *Usually* these
sort of things are internal responses to external asynchronous events by
the software that manages these resources. E.g., my mouse transitions
from an active pane in X and enters a new one. Focus shifts from the one
being exited to the one being entered. Double-click the title bar and
the application's pane is "rolled up" or "unrolled", etc.

For the specific task you mention, IIUC what you are asking, a <CTL>-
<ALT>-<RIGHT|LEFT> is an event that also causes the switch to another
screen. <CTL>-<ALT>-<TAB> rotates among desktop and panel focus, and
<SHIFT>-<TAB> rotates focus through apps in a virtual desktop. IIUC,
none of these things cause the loading or execution of some external
program or command that can be invoked in a stand-alone mode.

Given all that, if it is valid, your task would be to write a small app
for X that provides an "event" to which the existing management software
would respond. I hear that qt makes this easy... LOL! I'm guessing that
you want some automated way to cycle through screens? Maybe that already
exists and is locatable in google-land?

> Thanks,
> Jerry
> <snip sig stuff>


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