| Re: widget blues [message #1670] |
Wed, 16 February 1994 00:36  |
stl
Messages: 70
Registered: February 1994
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Member |
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In article <4V1LB3XC@gwdu03.gwdg.de> hschult@gwdgv1 writes:
> Hello,
>
> we recently purchased IDL, and I am very enthusiastic about it. However, I
> am having some problems programming complex widgets -- maybe someone out there
> can help me:
>
> I want to make a widget which will adjust the value of an integer, either up
> or down depending on whether I click on an up-arrow or down-arrow next to the
> value. Call this widget "ticker" for want of a name.
>
he wanted to make 1) a ticker (spin button)
2)tried with bitmap buttons, but the problem of couldn't put the
bitmap in untill realized will create probelms
3)placement problems
Well bad news as a whole. First pleaser remember that IDL wasn't
designed as a GUI tool kit, it just conviently added widget to allow
people like use to create interfaces.
Spin buttons don't exist (or I haven't found any yet) in IDl. As
for the realization problem, it is correct. I would suggest reading up
on compound widget, I believe you might be able to realize you compound
widget independently of the rest of the application (not sure because I
haven't played with them much) see chapet 20 of the USer's guide.
As for the placement problems, yes you cannot place it exactly, but
the idea is that it should be a lose placement, where you specify /rows
and /col and sizing and placement are taken care of automaticly. Fixed
sizing little buttons isn't to terrible (but they might appear tiny or
huge on another screen, or not fit the default font,etc..)
Patience and lots of trial and error.
-best of luck to you
stephen Strebel
Stephen C Strebel / SKI TO DIE
stl@maz.stl.ch / and
Swiss Meteorological Institute / LIVE TO TELL ABOUT IT
01 256 93 85 / (and pray for snow)
--
Stephen C Strebel / SKI TO DIE
stl@maz.stl.ch / and
Swiss Meteorological Institute / LIVE TO TELL ABOUT IT
01 256 93 85 / (and pray for snow)
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| Re: widget blues [message #1737 is a reply to message #1670] |
Sun, 20 February 1994 13:50  |
zowie
Messages: 9
Registered: March 1994
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Junior Member |
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In article <2jslv4INN3p9@i32.sma.ch> stl@sma.ch (Stephen Strebel) writes:
Well bad news as a whole. First pleaser remember that IDL wasn't
designed as a GUI tool kit, it just conviently added widget to allow
people like use to create interfaces.
Was IDL actually *designed*? I'm starting to appreciate it as a tool,
but it's so ... random and senseless. There's so little rhyme or
regularity in the syntax, and so many bizarre things to remember, that
I can't help thinking that even the official package (oppose the
various free toolkits you can get) "just grew that way".
Patience and lots of trial and error.
Exactly.
(Of course, one could always write one's *own* spin-button widget...)
--
--Craig DeForest
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