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Re: Changes in wigdet behavior/appearance under IDL 4.0 [message #4502 is a reply to message #4493]

Thu, 15 June 1995 00:00

thompson
Messages: 584
Registered: August 1991

Senior Member

zawodny@arbd0.larc.nasa.gov (Joseph M Zawodny) writes:

> I am running IDL V4.0 under OSF/1 V3.0 and I have noticed that the new
> release of IDL has radically altered the appearence of my widgets. I have
> traced the "problem" to the following example.

> r = widget_label(b,value='Junk',xsize=4)

> Under previous versions of IDL this would work as expected, but under V4.0
> the text is truncated (only a fraction of a letter is visible). Dropping
> the XSIZE keyword "fixes" the problem.

> It appears that the "units" on the XSIZE keyword has changed from
> characters to pixels. ...

I also ran into this problem during the beta testing of IDL 4.0, and complained
to RSI. They said that widget_label is now working corectly, that it's
supposed to be in pixels. After some experimentation, I came to the conclusion
that previous versions of IDL were ignoring the XSIZE and YSIZE keywords and
simply sizing it based on the number of characters. We were only being fooled
that the XSIZE and YSIZE keywords were doing something.

To solve this problem, we've gone through our code and removed all references
to XSIZE and YSIZE in calls to WIDGET_LABEL. In my opinion, having XSIZE and
YSIZE in pixels for a text label is useless.

Bill Thompson

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[Message index]

		Re: Changes in wigdet behavior/appearance under IDL 4.0 By: zawodny on Fri, 16 June 1995 00:00
		Re: Changes in wigdet behavior/appearance under IDL 4.0 By: David S. Foster/Admin on Thu, 15 June 1995 00:00
		Re: Changes in wigdet behavior/appearance under IDL 4.0 By: thompson on Thu, 15 June 1995 00:00
		Re: Changes in wigdet behavior/appearance under IDL 4.0 By: thompson on Thu, 15 June 1995 00:00
		Re: Changes in wigdet behavior/appearance under IDL 4.0 By: kotsines on Wed, 14 June 1995 00:00
		Re: Changes in wigdet behavior/appearance under IDL 4.0 By: zawodny on Wed, 14 June 1995 00:00

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