Send output to an Xwindow Virtual Desktop

[TwoProc]

I'm using an Envision Terminal with CDE with four virtual desktops (default). I've renamed each desktop to a different server name.

Assuming that I've telnet'd over to a different server than the one that's running MWM for me;

I'd like to run an x-command and have it appear in a named window.

For instance, to run xterm normally, I can use xclock -display myxterm:0.

Easy enough, but what if I want the clock to appear on a different virtual desktop?

Suppose there are four virtual desktops, labeled "ONE","TWO","THREE" and "FOUR". I want to send the xclock display to the "TWO" virtual desktop.

Right away, I figured I could use: "xclock -display myxterm:1"

But this doesn't work. Can anyone tell me how to do this? I hate having to switch to the proper desktop that I want the display to appear on before running my command (actually I want to run gpm, but I'd just as soon test the idea with something small like xclock).

Thanks for the help,

John

[Michael Steele_2]

That should work.

export DISPLAY=xxx.xxx.xxx.xxx:0.0

xclock

From terminal to receive display maybe xhost +, allow access to all.

[TwoProc]

If you read above, I already knew how to send it to the default virtual desktop (that is the current virtual desktop).

How do I send it to the second virtual desktop - when I'm not on it from the command line?

I know that I can click on the window bar and do a "send to desktop", but I want to execute a command and send it to a virtual desktop all from the command line. I want to do this so I can script a bunch of things that I want started automatically, and have them appear correctly in their named window(s).

That is, I know that :0.0 (the current desktop) works, I want to use another desktop - one I'm not one.

Thanks for the help and the response anyways.

[Alex Glennie · Accepted solution]

The functionality is not in built within CDE, what you need is a small program to switch to the appropriate desktop prior to starting each X application.

I have something along these lines send me an email : see my forum profile. or try compiling the following but I think it requires libs from the CDE dev kit to be installed .... ps what O/S ?

/* include files */
#include
#include
#include

/* functions */
void main(int, char**);
void ws_change(Widget widget, Atom aWorkspace, XtPointer client_data);

/* global variables */
static XmString xms;
static Widget toplevel;
static Widget *wWs;
static Atom *paWsSet = NULL;
static unsigned long numWorkspaces;
static Atom *paWs;

static Display *display;
static Window root;
static int screen;
static Widget top, form, top1;
static XtAppContext app_context;
static Arg args[10];
static int n, i, status, pNumWorkspaces;
static Atom *ppaWorkspaces, foundWsAtom = NULL;
static DtWsmWorkspaceInfo *ppWsInfo;
static DtWsmCBContext wsmcontext;
static char *desiredWs;

/* main - main logic for program */
void main (int argc, char **argv)
{

/* initialize toolkit */
n = 0;
XtSetArg (args[n], XmNallowShellResize, True); n++;
XtSetArg (args[n], XtNmappedWhenManaged, False); n++;
toplevel = XtAppInitialize (&app_context,{}&p@x8@a`{ "Dtswitch", NULL, 0,
&argc, argv, NULL, args, n);
display = XtDisplay(toplevel);
screen = DefaultScreen(display);
root = RootWindow(display, screen);
XSynchronize(display, screen);

if ( argc != 2 )
{
printf("must provide name of a workspace to switch to\n");
printf("we'll just monitor workspace changes now\n");
desiredWs = NULL;
}
else
{
desiredWs = argv[1];
}

status = DtWsmGetWorkspaceList(display, root, &ppaWorkspaces,
&pNumWorkspaces);
if (status != Success )
{
printf("problem obtaining workspace list, exiting with status %d\n",
status);
exit(status);
}
/*
printf("Number of workspaces returned is %d\n", pNumWorkspaces);
*/
for (i=0;i {
status = DtWsmGetWorkspaceInfo(display, root, ppaWorkspaces[i],
&ppWsInfo);
if (status != Success )
{
printf("problem getting workspace info %d\n", status);
}
else
{
printf("Workspace %d , title is %s, name is %s\n",i,
ppWsIn{}&p@x8@a`{{fo->pchTitle,
XGetAtomName(display,ppWsInfo->workspace));
if ((desiredWs != NULL) &&
(0 == strcmp(desiredWs, ppWsInfo->pchTitle)))
{
foundWsAtom = ppWsInfo->workspace;
}
}
}

wsmcontext = DtWsmAddCurrentWorkspaceCallback(toplevel, ws_change, NULL);
/*
printf("wsmcontext is %d\n", wsmcontext);
*/
XtRealizeWidget (toplevel);

if (foundWsAtom != None)
{
printf("Atom is %x, name is %s\n",
foundWsAtom,XGetAtomName(display, foundWsAtom));
XFlush(display);
status = DtWsmSetCurrentWorkspace(toplevel, foundWsAtom);
XFlush(display);
printf("status is %d\n",status);
/*
if ( status != Success )
{
printf("workspace %s does not exist\n", desiredWs);
}
*/
}
else
printf("Never found a match - workspace doesn't exist\n");
/*
XtAppMainLoop (app_context);
*/
}

void ws_change(Widget widget, Atom aWorkspace, XtPointer client_data)
{
printf("In the change workspace callback\n");
}

[TwoProc]

The O/S is 11i. Thanks for the code, I'll give it a try.

[TwoProc]

Works !

Big 10,

Thanks

[Wodisch]

Hi John,

if you want to run your programs the way you've shown in yor question, then you'll have to run "Xnest" in your CDE session, one *nested* X-server in each workspace. THEN each of those does have its own dispay number...

FWIW,
Wodisch

[TwoProc]

OK, I'm willing to try - what's Xnest and where do I get it? I've looked on my server and I don't see it.

Thanks.

[Alex Glennie]

John,

Send me an email (see my forum profile for the address) I can provide you with the binary .... fyi Xnest is a nested Xserver (not HP s/w) basically acts like Reflections X on unix.

Alternatively you can search say via google I'm sure you'll find it ...

I'm not 100% convinced it's exactly what you are after but then again the switch program wasn't ideal I suspect either.

[TwoProc]

Great, I searched google and found it thanks for the input.

John

[TwoProc]

See above