Re: GtkAdjustment and GtkSpinButton question

[Matthew Weier OPhinney <matthew-lists weierophinney net>]

-- muppet <scott asofyet org> wrote
(on Wednesday, 13 August 2003, 11:25 PM -0400):
> On Wednesday, August 13, 2003, at 07:56  PM, Matthew Weier OPhinney 
> wrote:
>
> > Here's what I've got going. I'm pulling data from an XML file using
> > XML::DOM. To ensure that I'm getting integers to pass to
> > Gtk2::SpinButton's max and min values, I'm using something like:
<snip>
> > And that's not working. I've even setup some print statements to make
> > sure that it's getting proper values (it is), but the value isn't being
> > set.
> >
> > Oddly enough, if I set the value *later*, i.e. after it's been
> > manipulated, it *will* take. Go figure.
>
> i can't reproduce your problem unless the value i try to set is outside 
> the range of min and max.
>
> this test program:
<snip>
> prints out
>
>  25
>  after set_value
>
> so it sets the new value before the widget is shown (as expected, 
> because an adjustment doesn't need to be displayed to change its value).
>
> if i supply 5 to set_value instead of 25, the number doesn't print out, 
> as though the callback doesn't run, and the value is set to 10, which 
> is the minval.
>
> you set up print statements to see that the correct values were getting 
> in --- where were they?  what kinds of values were they?

Okay, figured out the problem. In my examples, you may have noticed I
was using the form "$option->{int_value}" to place the value; as it
turned out, this wasn't set -- I'd forgotten that I'd decided *not* to
use that attribute (it's a leftover from my python->perl conversion).
The print statements I was using were using the correct accesor
("$option->{value}"), and so, of course, showed the proper value.

When I changed what value was being set for the spin button, it worked
fine. (I had a similar issue going on with the toggle button that I
hadn't reported; same fix.)

Thanks for bearing with me, guys -- in the end, you pointed me in the
right direction!

-- 
Matthew Weier O'Phinney
http://weierophinney.net/matthew/