bug#39424: auto-scrolling

[Konrad Podczeck <konrad.podczeck@univie.ac.at>]

> Am 04.02.2020 um 21:40 schrieb Mattias Engdegård <mattiase@acm.org>:
> 
>> mouse-drag-region selects whole lines, so it moves the cursor beyond
>> the end of the last line in the region, to cause the scrolling.
> 
> mouse-drag-region selects characters, words or lines depending on how many clicks were used to initiate the drag.
> 
> If I understand Konrad's request correctly, he suggests that the last line be partially selected during autoscrolling, to match the horizontal position of the mouse cursor, at least during single-click-selection -- is that right?

Yes, that’s what I mean.

Thanks,

Konrad

> For mouse-drag-region-rectangle this is a clear necessity, but only a minor cosmetic detail for linear selection. That's why nobody bothered to do anything about it until rectangle-selection was added.
>