On 1/16/20 5:37 am, Pavel Fatin wrote:
It seems that enhancing MouseWheelEvent is a good way to support "absolute" 
deltas, which would be consistent with other similar APIs.

I agree.


Sincerely,
Pavel


On Wed, Jan 15, 2020 at 1:00 PM Denis Konoplev <denis.konop...@jetbrains.com 
<mailto:denis.konop...@jetbrains.com>> wrote:

    Hello Sergey,

    I can enable smooth scrolling on linux via xinput2.
    As I understand it, correct me if i am wrong, this change don't require 
change of public API, we can use precise delta?

    Looking forward to hearing from you,
    Denis

        From: *Alexey Ushakov* <alexey.usha...@jetbrains.com 
<mailto:alexey.usha...@jetbrains.com>>
        Date: Mon, Jan 13, 2020 at 12:19 PM
        Subject: Re: <AWT Dev> Update to the proposal on enhancing 
MouseWheelEvent
        To: Sergey Bylokhov <sergey.bylok...@oracle.com 
<mailto:sergey.bylok...@oracle.com>>
        Cc: Denis Konoplev <dekonopl...@gmail.com <mailto:dekonopl...@gmail.com>>, Pavel Fatin 
<pavel.fa...@jetbrains.com <mailto:pavel.fa...@jetbrains.com>>, <awt-dev@openjdk.java.net 
<mailto:awt-dev@openjdk.java.net>>


        Hello Sergey,

        We’ve resumed our work on smooth scrolling. However, this time we 
started from other end - we’ve implemented support of touch screen devices on 
Linux and Windows. I think we can extend it on precise scrolling deltas for 
high precision mouse devices. Currently we have only private API in our JBR but 
we’re going to discuss it on OpenJDK alias a bit later. This work is driven by 
Denis Konoplev. He’ll provide some more technical info soon.

        Best Regards,
        Alexey


         > On 12 Jan 2020, at 03:22, Sergey Bylokhov <sergey.bylok...@oracle.com 
<mailto:sergey.bylok...@oracle.com>> wrote:
         >
         > Hi, Pavel.
         >
         > On 1/5/17 8:21 am, Pavel Fatin wrote:
         >> Thus, 2 of the 3 major OSes already provide absolute scrolling 
deltas – that's an additional argument in favor of the Java's MouseWheelEvent 
enhancement.
         >
         > After some period of time can you please share how the solution 
above has recommended itself.
         >
         >> Besides, it seems plausible that Linux will also embrace this trend 
and include absolute scrolling deltas in XInput2 and (especially) libinput.
         >
         > Did something similar was implemented on Linux?
         >
         >
         > --
         > Best regards, Sergey.


    <mailto:denis.konop...@jetbrains.com>



--
Best regards, Sergey.

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