24-bit Motif visual?

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3 total messages Started by Thomas Driemeyer Sun, 10 Jan 1993 19:10

#97

Author: Thomas Driemeyer
Date: Sun, 10 Jan 1993 19:10

16 lines
960 bytes

Maybe I am just too dense to see the obvious, but how can I have a Motif
application come up with a 24-bit shell? I need a 24-bit DrawingArea, and
I can't use a GLX widget because that would be nonportable.

Trying to fiddle with the shell XmNvisual is either ignored or terminates
the application. Replacing XtAppInitialize() with an explicit Xt incantation
and supplying appropriate arguments to XtAppCreateShell() doesn't help
either. I always get "Visual: 0x25 (8 bit PseudoColor)" (says xwininfo).

Thanks for your help,

Thomas
-- 

--
Thomas Driemeyer        thomas@bitrot.in-berlin.de        voice: +49 30 8924936

Re: 24-bit Motif visual?

#100

Author: Joel Tesler
Date: Mon, 11 Jan 1993 17:24

14 lines
1008 bytes

In article <1993Jan10.191012.6213@bitrot.in-berlin.de>, thomas@bitrot.in-berlin.de writes:
> Maybe I am just too dense to see the obvious, but how can I have a Motif
> application come up with a 24-bit shell? I need a 24-bit DrawingArea, and
> I can't use a GLX widget because that would be nonportable.
> 

install the Motif overlay demos and then look at
/usr/src/X11/motif/overlay_demos/README.  While it concentrates on
overlays, what it says applies to all non-default visuals.  

Joel Tesler
joel@sgi.com
415-390-3048

Re: 24-bit Motif visual?

#134

Author: Bob Blean
Date: Tue, 26 Jan 1993 01:04

23 lines
1431 bytes

In article <uoeeoas@zola.esd.sgi.com>, joel@jellotrees.esd.sgi.com (Joel Tesler) writes:
|> 
|> In article <1993Jan10.191012.6213@bitrot.in-berlin.de>, thomas@bitrot.in-berlin.de writes:
|> > Maybe I am just too dense to see the obvious, but how can I have a Motif
|> > application come up with a 24-bit shell? I need a 24-bit DrawingArea, and
|> > I can't use a GLX widget because that would be nonportable.
|> > 
|> 
|> install the Motif overlay demos and then look at
|> /usr/src/X11/motif/overlay_demos/README.  While it concentrates on
|> overlays, what it says applies to all non-default visuals.  
|> 
|> Joel Tesler
|> joel@sgi.com
|> 415-390-3048

Also:
	* Pay attention to the README that will be installed when you follow
	  Joel's advice.  It is quite useful for understanding dealing with
	  non-standard visulas in general from Xt, not just Motif.

	* see Section 4.8 "Programming with Nondefault Visuals" in the
	  IRIX/Motif Programming Notes pamphlet.

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