Re: vscale working the other way

[Owen Taylor <otaylor redhat com>]

On Tue, 2003-04-01 at 12:49, Ed Lea wrote:
> On Tue, Apr 01, 2003 at 12:29:06PM -0500, Owen Taylor wrote:
> > On Tue, 2003-04-01 at 11:59, Ed Lea wrote:
> > > Is it possible to make a vscale work backwards? That is, have the
> > > maximum value at the top, the lower (0.0) at the bottom. I am assuming
> > > that it has something to do wthi the gtk_adjustment that the vscale
> > > refers to, however if I set the lower and higher values in
> > > gtk_adjustment_new() to be the other way round, wich I assumed would do
> > > the trick, causes the vscale to stick at the highest value - it won't
> > > move from that.
> > >
> > > The code I'm using is:
> > >
> > >   intensity = GTK_OBJECT(gtk_adjustment_new(10.0, 10.0, 0.0, 0.2, 1.0,
> > > 0.0));
> > >     widget = gtk_vscale_new(GTK_ADJUSTMENT(intensity));
> >
> > void           gtk_range_set_inverted      (GtkRange      *range,
> >                                             gboolean       setting);
>
> Sorry, I should have said: I'm using GTK 1.2 (not out of choice, but I
> have to). That function doesn't seem to exist in 1.2

Well, the fact that we added that function is a pretty good indicator
that you are out of luck. Your best bet would be to turn off value
display for the scale, compute the inverted value, and display
it in a separate label or entry yourself.

Regards,
                                          Owen