RE: Getting Monitors and Monitor Resolutions?

[Wesley Miaw <wesley@bmrc.berkeley.edu>]

Thanks for the info. I guess there's no way to get this information from
Tk, so I should look for something similar to multimon.h in the X11
source.

On Wed, 2002-01-16 at 22:55, Matthew Delco wrote:
> It's not necessarily a DirectX operation, per se.  These operations are
> supported only in the Windows API version 5.0 or higher (basically Win98,
> W2k, or newer).  <multimon.h> is provided by MS to get around this API
> version issue.  At run-time the code basically checks to see if the API
> calls exist, and if not some simple code "stubs" are used instead.
> 
> The basic job is to #include <multimon.h> in your .h file.  In your .cc
> file, you can include something like:
> 
> #define COMPILE_MULTIMON_STUBS // compile stubs that conditionally
> substitute for missing functions
> #include<multimon.h>
> 
> You can then call the various functions defined in multimon.h.  I use these
> calls in vw.h and vw.cc, but the latest version of these files are not on
> the computer I'm presently typing on.
> 
> There is an easier way to get the number of monitors:
> GetSystemMetrics(SM_CMONITORS).  You can get the size of the default monitor
> through GetSystemMetrics(SM_CXSCREEN) and GetSystemMetrics(SM_CYSCREEN), but
> this won't help you with the other monitors.  Note that not all version of
> Windows support these parameters to GetSystemMetrics().
> 
> MD
> 
> > -----Original Message-----
> > From: owner-openmash-developers@bmrc.berkeley.edu
> > [mailto:owner-openmash-developers@bmrc.berkeley.edu]On Behalf Of Wesley
> > Miaw
> > Sent: Wednesday, January 16, 2002 10:37 PM
> > To: openmash-developers@openmash.org
> > Subject: Getting Monitors and Monitor Resolutions?
> >
> >
> > Does anyone know how to get from within Tk the number of monitors and
> > resolutions/pixel offsets of those monitors? ag-vic seems to require
> > DirectDraw C code to find out this information for multiple monitors. Is
> > this the only way to do it? The DirectDraw code returns a list of
> > coordinates, so the second monitor's coordinates might be something like
> > 1024,0 to 2047,768 (placed to the right of the first/root monitor).
-- 
Wesley Miaw, Assistant Systems Administrator
Berkeley Multimedia Research Center
wesley@bmrc.berkeley.edu