| Re: read input from a widget [message #25729 is a reply to message #25728] |
Thu, 12 July 2001 22:02   |
Michael Asten
Messages: 53
Registered: March 1999
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Member |
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It is a sadly lacking feature of IDL that such a tool is not included in the IDL
system.
Of course a good programmer can write his/her own, but as I have pointed out to
RSI on many ocaasions, there are some simple i/o routines which we should not
have to write,
and this is one of them.
XVAREDIT is nearest to what you want in a system-supplied routine, but the
version in idl 5.x is horrible, as it uses the unloved TableWidget.
Try the following
idl> a=' ' & xvaredit,a & print,a
In order to enter your text you have to double click on the box, type text, then
press enter
to accept the text, then press Accept button. Like I say, horrible.[end of
rant! ]
The version of XVAREDIT from idl 4.x is vastly more friendly. I routinely pass
a set of numbers and text to xvaredit in a structure, edit them as required in
the nice system-supplied widget which appears with zero extra programming, then
extract the modified parameters from the structure. If you dont have idl v.4
but want to try it, I might email you the xvaredit v4 code if rsi is not
listening.
Regards,
Michael Asten
Mark Hadfield wrote:
> From: "Dominik Paul" <dpaul@ukl.uni-freiburg.de>
>> we would like read a string from the user. But this is not possible in the
>> runtime version (its possible under unix, ok, but unfortunately not under
>> windows.
>>
>> So we are searching for a widget component to enter some text.
>>
>> Does somebody know such a component?
>
> WIDGET_TEXT.
>
> Do you know how to wrap a text widget in a routine/object to pass the
> information you want back to the caller? If not I suggest you read a good
> book on IDL programming...
>
> http://www.dfanning.com/documents/books.html
>
> If you want a quick & dirty solution you could use XDISPLAYFILE with a
> temporary file.
>
> ---
> Mark Hadfield
> m.hadfield@niwa.cri.nz http://katipo.niwa.cri.nz/~hadfield
> National Institute for Water and Atmospheric Research
>
> --
> Posted from clam.niwa.cri.nz [202.36.29.1]
> via Mailgate.ORG Server - http://www.Mailgate.ORG
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