bug#14324: 24.3; GTK scrollbar doesn't scroll proportionally when Line Wrapping is set to "Truncate Long Lines"

[Lars Ingebrigtsen]

Eli Zaretskii <eliz@gnu.org> writes:

>> > What happens if you customize the value of
>> > scroll-bar-adjust-thumb-portion?
>> 
>> Then it seems to adjust the height of the scroll bar logically (i.e.,
>> based on what's shown in the window, and not on the length of the
>> (truncated) text).
>
> So does it mean that that variable could be a solution to the problem?
> Or did I misunderstand you?

The bug reported by the user is that Emacs miscalculates the size of the
scroll bar by default (with truncated lines).  It doesn't miscalculate
this if `scroll-bar-adjust-thumb-portion' is nil, so it seems like this
is a bug that could (and should) be fixed in the t case.

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