903368 - Scroll wheel scroll stops applying about 2/3rds of way down the start tab

Status: RESOLVED FIXED

(Core Graveyard :: Widget: WinRT, defect)

Description

[Jim Mathies [:jimm]]

Odd behavior: if you scroll using the mouse wheel on a start tab the scroll is picked up (MozMousePixelScroll is delivered) if the mouse pointer is in the top 3/4rs of the tab. Down near the bottom of the page events aren't delivered. I wonder if this is a dpi issue.

Comment 1

[Jim Mathies [:jimm]]

The problem here is that metro widget's InitEvent assumes coordinates are coming from winrt and so does a logical to physical conversion on them. But the coords coming in from the window procedure are already physical coordinates.

Comment 2

[Jim Mathies [:jimm]]

Attachment: fix

Thankfully we weren't call this for anything yet.

Comment 3

[Jim Mathies [:jimm]]

https://hg.mozilla.org/integration/fx-team/rev/7063a01f5199

Comment 4

[Masayuki Nakano [:masayuki] (he/him)(JST, +0900)]

(In reply to Jim Mathies [:jimm] from comment #3)
> https://hg.mozilla.org/integration/fx-team/rev/7063a01f5199

I'm curious why did you land it to fx-team?

Comment 5

[Jim Mathies [:jimm]]

(In reply to Masayuki Nakano (:masayuki) (Mozilla Japan) (offline: 8/13-8/18 JST) from comment #4)
> (In reply to Jim Mathies [:jimm] from comment #3)
> > https://hg.mozilla.org/integration/fx-team/rev/7063a01f5199
> 
> I'm curious why did you land it to fx-team?

The metro team is landing everything on fx-team now. We're trying to distribute landings better. fx-team isn't restricted to just fx front end work anymore.

Comment 6

[Ryan VanderMeulen [:RyanVM]]

https://hg.mozilla.org/mozilla-central/rev/7063a01f5199