[Bug 1543344] Re: scroll wheel too fast

[Michał Sawicz]

** Description changed:

- just need to tune the scroll imho
- use window mode, trackpad mode, select dash 2 finger scroll - too fast to be 
useful
+ Scrolling QML Flickables with mouse wheel is way too fast.
+ 
+ Steps:
+ * connect a mouse to your device
+ * scroll the wheel over the dash
+ 
+ Expected:
+ * scrolling sane
+ 
+ Current:
+ * scrolling insane

** Summary changed:

- scroll wheel too fast
+ QML Flickables scrolling with mouse wheel insanely fast

** Description changed:

  Scrolling QML Flickables with mouse wheel is way too fast.
  
  Steps:
  * connect a mouse to your device
  * scroll the wheel over the dash
  
  Expected:
  * scrolling sane
  
  Current:
  * scrolling insane
+ 
+ The same can be observed with two-finger scrolling when using the
+ virtual touchpad when you connect your device to an external screen.

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Title:
  QML Flickables scrolling with mouse wheel insanely fast

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[Bug 1543344] Re: scroll wheel too fast

[Pat McGowan]

Re-opening since QML is still busted

** Changed in: canonical-devices-system-image
   Importance: Undecided => High

** Changed in: canonical-devices-system-image
   Status: Fix Released => Confirmed

** Changed in: canonical-devices-system-image
Milestone: 10 => 11

** Changed in: canonical-devices-system-image
 Assignee: Michał Sawicz (saviq) => Timo Jyrinki (timo-jyrinki)

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[Bug 1543344] Re: scroll wheel too fast

[Pat McGowan]

** Changed in: canonical-devices-system-image
   Status: Fix Committed => Fix Released

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[Bug 1543344] Re: scroll wheel too fast

[Launchpad Bug Tracker]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: qtdeclarative-opensource-src (Ubuntu)
   Status: New => Confirmed

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[Bug 1543344] Re: scroll wheel too fast

[Jean-Baptiste Lallement]

** Changed in: canonical-devices-system-image
   Status: In Progress => Fix Committed

** Changed in: canonical-pocket-desktop
   Status: In Progress => Fix Released

** Changed in: canonical-devices-system-image
Milestone: None => ww08-2016

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  scroll wheel too fast

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[Bug 1543344] Re: scroll wheel too fast

[Launchpad Bug Tracker]

This bug was fixed in the package unity8 -
8.11+16.04.20160310.4-0ubuntu1

---
unity8 (8.11+16.04.20160310.4-0ubuntu1) xenial; urgency=medium

  [ Albert Astals Cid ]
  * Add context for Re-dock as asked by translators (LP: #1534608)
  * Add emblem to the preview header widget (LP: #1424720)
  * Add haptics to ScopesListCategoryItem buttons
  * Audio Cards: Make some of the image loading async (LP: #1533432)
  * Do not create fallback code for the card tool fake card (LP:
#1545865)
  * Fix resizing the dash bringing temp scopes size out of sync (LP:
#1543130)
  * Minor fixes for unity-scope-tool
  * Resolve title alignment on card creator time instead of on runtime
  * Use fixedHeaderHeight only in the non cardtool cards
  * Use the new undeprecated connectivityqt::Connectivity
  * asynchronous is only false on the fake card in cardtool
  * clazy fixes

  [ Albert Astals Cid, CI Train Bot ]
  * click scope: Add the else branch so we reset the card size in all
situations

  [ Andrea Cimitan ]
  * PreviewSharing widget now accepts both string and array of
widgetData["share-data"]["uri"] (LP: #1549056)
  * Update AP tests for new single preview
  * Use Text.Wrap for body notification text (LP: #1544909)

  [ Andrea Cimitan, Lukáš Tinkl, Michael Zanetti, Nick Dedekind ]
  * some fixes for the new palette (LP: #1554616)

  [ CI Train Bot ]
  * Resync trunk.
  * Update translation template

  [ CI Train Bot, Daniel d'Andrada ]
  * Ensure the QML engine doesn't delete our mock MirSurfaces on its
own.

  [ Daniel d'Andrada ]
  * tst_Shell: Remove unused qml items

  [ Josh Arenson ]
  * Allow the shell to blacklist input devices and force the OSK shown.
(LP: #1542224)

  [ Lukáš Tinkl ]
  * Disallow resizing windows up, past the Panel (LP: #1544766)
  * Elide the window title not to let it overflow into the indicators
area (LP: #1535767)
  * Enable the PIN lockscreen to be used with a HW keyboard (LP:
#1550359)
  * Fix tiny windows when switching stages
  * Provide a range of ports to QML JS Debugger
  * Watch for launcher item icon changes (LP: #1543290)

  [ Michael Terry ]
  * Proxy more mouse and touchpad properties to USC (LP: #1540398) (LP:
#1543344, #1540398)
  * Refactor the AccountsService plugin and make it slightly faster.
  * To let the user log in if a mouse is connected, hide the greeter
cover page on a mouse click (but NOT a touch click). (LP: #1540497)
  * Watch AccountsService for changes to the user's real name.  This was
preventing us from noticing when the user set their name in the
welcome wizard.

  [ Michael Zanetti ]
  * Allow alt+tabbing in staged mode too (LP: #1540502)
  * Allow invoking the staged mode spreads by mouse right edge pushes
too (LP: #1540392)
  * Allow loading the device configuration from an external file
  * Implement Launcher's keyboard navigation and updated pip design
  * Make launcher scalable, allow it locking (LP: #1511015)
  * Properly parent launcher items in all cases (LP: #1495732)
  * Read inputMethod surface from the new property int QtMir (LP:
#1545286)
  * Some visual updates and rotation lock for the virtual touchpad (LP:
#1549087)
  * Visual updates for the windowed spread (LP: #1488148)
  * stabilize swipeAwayGreeter()

  [ Michał Sawicz ]
  * Add udev rules to make sure we have access to uinput
  * Make dash respawn indefinitely (LP: #1550056)
  * Use dpkg-architecture, not arch, to disable touch emulation

  [ Vesa Rautiainen ]
  * Fixing the vertical position of desktop spread item icon.

 -- Michał Sawicz   Thu, 10 Mar 2016
22:44:16 +

** Changed in: unity8 (Ubuntu)
   Status: In Progress => Fix Released

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[Bug 1543344] Re: scroll wheel too fast

[Launchpad Bug Tracker]

** Branch linked: lp:~ci-train-bot/unity8/unity8-ubuntu-xenial-
landing-041

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[Bug 1543344] Re: scroll wheel too fast

[Pat McGowan]

** Changed in: canonical-devices-system-image
   Status: New => In Progress

** Changed in: canonical-devices-system-image
 Assignee: (unassigned) => Michał Sawicz (saviq)

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[Bug 1543344] Re: scroll wheel too fast

[Michał Sawicz]

W dniu 11.03.2016 o 15:02, Michael Terry pisze:
> Ah!  I do see a difference between 1.0 and 0.5.  In comment #3, I was
> testing on slashdot.org in the browser.  When I wrote comment #5, I was
> testing the dash.  The browser still works fine.  For some reason,
> scrolling in the dash is a different kind of scrolling...  I think the
> branches are fine today, we just need to investigate dash scrolling.

Ah indeed, that's what I was testing, too.

TBH we know that QML's scrolling in Flickables is broken, so that would
be it.


** Changed in: unity8 (Ubuntu)
   Status: Triaged => In Progress

** Changed in: canonical-pocket-desktop
   Status: Triaged => Won't Fix

** Changed in: canonical-pocket-desktop
   Status: Won't Fix => In Progress

** Also affects: qtdeclarative-opensource-src (Ubuntu)
   Importance: Undecided
   Status: New

** Also affects: canonical-devices-system-image
   Importance: Undecided
   Status: New

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[Bug 1543344] Re: scroll wheel too fast

[Michael Terry]

Ah!  I do see a difference between 1.0 and 0.5.  In comment #3, I was
testing on slashdot.org in the browser.  When I wrote comment #5, I was
testing the dash.  The browser still works fine.  For some reason,
scrolling in the dash is a different kind of scrolling...  I think the
branches are fine today, we just need to investigate dash scrolling.

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[Bug 1543344] Re: scroll wheel too fast

[Michael Terry]

As far as I can tell by testing and inspecting code, the value
(MouseScrollSpeed) is getting correctly set by System Settings.  Which
is getting proxied to USC.  Which is getting applied by Mir.

In Mir, the value (0.0 to 1.0) is used as a multiplier against how far
to scroll.  The Mir default used to be 1.0.  With silo 64, it's now 0.5.

When I wrote comment #3, I remember feeling a distinct difference
between 1.0 and 0.5 (the new default).  I'm having a hard time feeling
that difference today.

But I'm guessing whatever issues we have with silo 64 are probably at
the Mir level(?).  I *think* the value is traveling down to Mir intact.

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[Bug 1543344] Re: scroll wheel too fast

[Michael Terry]

If we want to land silo 64 before we figure out why this setting doesn't
feel right, we could hide the setting in the meantime...

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[Bug 1543344] Re: scroll wheel too fast

[Michał Sawicz]

I've tested the silo with the updated system settings and the scrolling
speed in particular does not seem to be working well.

The setting seems to be applied, in a way, since if you go low enough it
stops scrolling altogether.

** Branch unlinked: lp:~mterry/unity8/new-input-proxies

** Branch unlinked: lp:~unity-team/unity8/new-input-proxies

** Changed in: canonical-pocket-desktop
   Status: In Progress => Triaged

** Changed in: unity8 (Ubuntu)
   Status: In Progress => Triaged

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[Bug 1543344] Re: scroll wheel too fast

[Michał Sawicz]

** Branch linked: lp:~unity-team/unity8/new-input-proxies

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[Bug 1543344] Re: scroll wheel too fast

[Michał Sawicz]

** Changed in: canonical-pocket-desktop
   Status: New => In Progress

** Changed in: canonical-pocket-desktop
 Assignee: (unassigned) => Michał Sawicz (saviq)

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[Bug 1543344] Re: scroll wheel too fast

[Michael Terry]

Yup, after testing silo 64, this seems to be fixed.

** Changed in: unity8 (Ubuntu)
   Status: New => Fix Committed

** Changed in: unity8 (Ubuntu)
   Status: Fix Committed => In Progress

** Branch linked: lp:~mterry/unity8/new-input-proxies

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[Bug 1543344] Re: scroll wheel too fast

[Michael Terry]

It appears that the internal USC default for scroll speed is 1.0 (on a
scale of 0.0 to 1.0).  But the default that unity8 will start using once
[1] lands is 0.5.  So I *think* this will be solved by that (already
approved) branch.  But unfortunately, it's a little hard to test that
right this second, because it has a complicated dependency chain.  But
once I do, I will mark this bug accordingly.

[1] https://code.launchpad.net/~mterry/unity8/new-input-
proxies/+merge/285364

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[Bug 1543344] Re: scroll wheel too fast

[Michael Zanetti]

this happens also for real scroll wheels

** Summary changed:

- scroll too fast with pd-trackpad
+ scroll wheel too fast

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[Bug 1543344] Re: scroll wheel too fast

[Michael Zanetti]

** Changed in: unity8 (Ubuntu)
 Assignee: (unassigned) => Michael Terry (mterry)

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