Re: [PATCH] Optionals single-finger scroll for touchscreens and 2-in-1's

Andreas Kemnade <[email protected]> Tue, 12 Jun 2018 18:33:22 +0200

Newsgroups	gmane.comp.web.dillo.devel
Message-ID	<20180612183322.00a166cc@aktux>

On Sun, 10 Jun 2018 11:12:18 -0700
Alyssa Rosenzweig <[email protected]> wrote:

> On touchscreens, the natural way to scroll is by "moving" the page up
> and down with the user's finger, mimicking the behaviour of most
> touchscreen-aware browsers. Using the scrollbar on these devices is
> clunky and imprecise unless the bar is large, which would take precious
> screen real estate on small displays.
> 
> From Dillo's perspective, this action corresponds to a click-and-drag of
> the left mouse button. Dillo already has an option for click-and-drag
> scrolling with the middle mouse button; this patch piggybacks on that
> functionality to optionally support left-click scrolling as well.
> 

xinput set-button-map  bound to something is also helpful on those devices.


> Normally, left-click-and-drag corresponds to text selection. When this
> touchscreen drag preference is enabled, text selection requires the
> Shift key to be held, which disables scrolling temporarily. The choice
> of "Shift" aligns with Firefox's defaults for touchscreens.
> Unfortunately, this prevents selection if Dillo is used purely on a
> tablet (not a laptop with a touchscreen); perhaps a double-tap-and-drag
> would be a more natural gesture.
> 
I tested that patch on my smartphone running debian. Mosty I am
looking for (severe) weather forcasts. For some reason I can sometimes
still mark text. I do not know why, found no reproducible way to do it.

Regards,
Andreas

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