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Using Comm... err, alternative? [message #21218]

Wed, 16 August 2000 00:00

promashkin
Messages: 169
Registered: December 1999

Senior Member

I have a short question. When you have several (identical, object
plotting only) widget windows, how do you find out which one is the
topmost without using a common block or defining a main-level variable?
I use focus events all right, but I have not figure out where to keep
the resulting information.
I certainly will use a pointer if all those daughter windows are
generated from a parent widget program. But how do I do this if I create
them from a command line?
Thank you,
Pavel

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Re: Using Comm... err, alternative? [message #21357 is a reply to message #21218]

Fri, 18 August 2000 00:00

promashkin
Messages: 169
Registered: December 1999

Senior Member

John-David Smith wrote:
>
> Am I being obtuse or couldn't you just use the provided !D.WINDOW sysvar in the
> focus event callback simply as:
>
> widget_control,self.mywin,get_value=win
> wset,win

That would be ok, but, apparently, !d.window is only for direct
graphics. It is unaware of object windows.
Cheers,
Pavel

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Re: Using Comm... err, alternative? [message #21365 is a reply to message #21218]

Fri, 18 August 2000 00:00

davidf
Messages: 2866
Registered: September 1996

Senior Member

John-David Smith (jdsmith@astro.cornell.edu) writes:

> Or is this an object graphics thing? I'm embarrassed to say that I have yet to
> invoke a single O.G. command. Too many case changes and underlines make my code
> ugly (IDL_ThisDISPlays_a_VIEWofaModel_withinAConTainerofWindowsgr dotcom).

But, JD, I thought you were a *((*(struct.data).ptr)) sort of guy. :-)

Cheers,

David
--
David Fanning, Ph.D.
Fanning Software Consulting
Phone: 970-221-0438 E-Mail: davidf@dfanning.com
Coyote's Guide to IDL Programming: http://www.dfanning.com/
Toll-Free IDL Book Orders: 1-888-461-0155

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Re: Using Comm... err, alternative? [message #21392 is a reply to message #21218]

Thu, 24 August 2000 00:00

John-David T. Smith is currently offline

John-David T. Smith
Messages: 384
Registered: January 2000

Senior Member

David Fanning wrote:

> But, JD, I thought you were a *((*(struct.data).ptr)) sort of guy. :-)

Yes, beautiful, isn't it.

JD

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