Re: Huge gap between fringe and scroll-bar

[Jan Djärv]

Leo wrote:
> * Jan Djärv (2007-01-01 13:46 +0100) said:
>   ^^^^^^^^^
> > Leo skrev:
> > > Emacs's native scroll-bar (--without-toolkit-scroll-bars) can have a
> > > huge gap between fringe and scroll-bar. To see this:
> > >
> > >   emacs -Q -l sb.el
> > >
> > > Where sb.el has:
> > > ,----[ sb.el ]
> > > | (setq initial-frame-alist
> > > |       '((scroll-bar-width . 10)))
> > > `----
> > >
> > > As you can see the gap between the fringe and scroll-bar is close to
> > > 8 pixels. I see no gap for gtk scroll-bar though.
> > The scroll bar width for the scroll bars are constrained to be equal
> > to an even character width.  So if you say scroll bar width 10, it
> > is padded to an even character width.  The GTK scroll bar is also
> > padded, but it divides the padding evenly at the left and right side
> > of the scroll bar.  You can clearly see this if you run Emacs with a
> > different background, like
> >
> > % emacs -bg gray50 -Q -xrm 'Emacs.scrollBarWidth: 10'
> >
> > and then change the character size to different sizes (use the font
> > menu at Shift-Mouse-1 for example).
>
> I see now.
>
> Before this post I did a search in Emacs info and can not find the
> answer not even scrollBarWidth. Is there a complete list of X resource
> options hidden somewhere?

No, it seems to be missing from the manual.  I'll add it.

> Also is there any reason to make the width of scroll-bar take up even
> character width? Because the gap is not pretty and very noticeable.

It is easier to resize the frame that way in terms of whole character widths. 
 I think that is one of the things we said we should look into after the release.

        Jan D.