[racket] Second display monitor issue

Thanks for the info Robby - dunno how I missed finding those files ... oh
wait yes I do - Windows Search - doh!

On Thu, May 24, 2012 at 6:32 PM, Robby Findler
<robby at eecs.northwestern.edu>wrote:

> I've pretty much no clue how to fix it, but the code you see is in
> collects/mred/private/wx/win32/frame.rkt. The display-origin function
> (it is called from mred/private/wxtop.rkt).
>
> hth,
> Robby
>
> On Thu, May 24, 2012 at 7:08 PM, Kieron Hardy <kieron.hardy at gmail.com>
> wrote:
> > Hi all,
> >
> > On one of my client's laptops (Windows 7), the attached code detects the
> > second display monitor (get-display-count returns 2), but prints exactly
> the
> > same values for the location and size of the two displays. i.e. The
> top-left
> > coordinate and size values returned ((0,0)  and 1024 x 768)  are the same
> > for both monitors. This effectively maps the second monitor underneath(?)
> > the main monitor, making it inaccessible to Racket.
> >
> > In this particular case the second monitor is a TV connected through the
> > laptop's s-video port. Windows itself sees the two displays and is
> > configured to extend the desktop over both of them and 'Identify
> monitors'
> > works as expected. At least one other program can see and use the TV
> without
> > problems.
> >
> > Racket has no problems seeing and using a second display monitor on this
> > same laptop when that second monitor is a video converter box connected
> > through the laptop's VGA port. Also Racket has no problems seeing and
> using
> > a TV as a second display monitor when connected to my (Vista) laptop's
> HDMI
> > port.
> >
> > What can I do to troubleshoot this problem? I have searched the source
> for
> > both 'get-display-left-top-inset' and 'monitor' and only find something
> > relevant in .html and .js document files. Where in the source should I be
> > looking?
> >
> > Thanks in advance for any help.
> >
> > Cheers,
> >
> > Kieron.
> >
> > ****
> >
> > #lang racket/gui
> >
> > (printf "display-count:~a\n" (get-display-count))
> > (printf "display-depth:~a\n" (get-display-depth))
> >
> > (for ([m (in-range 0 (get-display-count))])
> >   (let-values ([(mx my) (get-display-left-top-inset #f #:monitor m)]
> >                [(mxwob mywob) (get-display-left-top-inset #t #:monitor
> m)]
> >                [(mw mh) (get-display-size #f #:monitor m)]
> >                [(mwfs mhfs) (get-display-size #t #:monitor m)]
> >     )
> >     (printf "monitor:~a (~a ~a) (~a ~a) (~a ~a) (~a ~a)~n" m mx my mxwob
> > mywob mw mh mwfs mhfs)
> >     )
> >   )
> >
> >
> > ____________________
> >  Racket Users list:
> >  http://lists.racket-lang.org/users
> >
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.racket-lang.org/users/archive/attachments/20120525/9c227f6f/attachment-0001.html>