[Bug 1666359] Re: Lock screen doesn't cover entire desktop on HiDPI display with draw-user-backgrounds unchecked

[Jeremy Nation]

I can confirm this is fixed for me now with the recent updates. Thanks
everyone!

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Title:
  Lock screen doesn't cover entire desktop on HiDPI display with draw-
  user-backgrounds unchecked

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[Bug 1666359] Re: Lock screen doesn't cover entire desktop on HiDPI display with draw-user-backgrounds unchecked

[Launchpad Bug Tracker]

This bug was fixed in the package unity - 7.4.5+16.04.20171201.3

---
unity (7.4.5+16.04.20171201.3) xenial; urgency=medium

  [ Marco Trevisan (Treviño) ]
  * InputMonitor: add an unity class that monitors XInput2 events and
converts them to XEvent
  * EdgeBarrierController: use InputMonitor to get the barrier events
instead of relying on its implementation
  * DecorationsMenuLayout: use input monitor for menu scrubbing (LP:
#1614597)
  * PanelView: use InputMonitor to track menu events
  * LockScreenPanel: use InputMonitor events instead of mouse polling
for menu scrubbing
  * MenuManager: add support for mouse trackers with triangle algorithm
support (LP: #1618405)
  * PanelView: scale gradient refinement properly
  * PanelService: don't allow to deactivate menus if they've been opened
too shortly
  * LockScreenController: ignore icon_paths_changed signal in
menumanager for Lockscreen
  * LockScreenController: use InputMonitor to get all the events and
hide the Blank Window (LP: #1321075)
  * LockScreenController: use input monitor to get the events to switch
monitor (LP: #1316862)
  * LauncherOptions: use track_obj to manage option changes (LP:
#1622995)
  * UnityScreen: toggle gestures recognition on lock (LP: #1645507)
  * GnomeSessionManager: add gcancellable to instance and use it for
calls with temporary proxies
  * BackgroundSettings: use gnome-bg to generate textures with proper
scaling (LP: #1666359)
  * UnityWindow: safely check validity of UnityWindow from scaled one
(LP: #1659847)
  * Panel: ensure the menu-manager tracker is updated to match monitor
(LP: #1671432)
  * compiz-profile-setter: tool to update the current profile and use in
systemd and Unity settings (LP: #1668950)
  * BGHash, UnityScreen: get desktop averageColor from compiz
  * Launcher: disable or reduce most icon effects on lowgfx (LP:
#1700859)
  * PanelController: ensure we disconnect from signals on destruction
(LP: #1504870)
  * tools: add migration script to set the default values for unity-
lowgfx profile

  [ Andrea Azzarone ]
  * Properly handle the file manager copy dialog in
FileManagerLauncherIcon and in StorageLauncherIcon. (LP: #1575452,
LP: #1609845)
  * Correctly position the force quit dialog when scaling is different
than 1.0 (LP: #1637991)
  * GnomeSession: Retrieve the session id using dbus if $XDG_SESSION_ID
is not set
  * Round gtk scaling factor to closest integer. (LP: #1649736)
  * Keep the screen locked if rebooting with autologin. (LP: #1600389)
  * Use g_mkdir_with_parents instead of mkdir.
  * Lockscreen: always draw the background-color in the lockscreen (LP:
#1702701)
  * Refactor the way UserAuthenticator is created and passed around.
Handle failures to create new threads and fallback to a "Switch to
greeter..." button in case of failure. (LP: #1311316)
  * Wait until the color buffer is cleared before suspending. (LP:
#1532508)

  [ Kai-Heng Feng ]
  * UnitySettings: If scale-factor is not set, find and set right scale
for HiDPI displays.

  [ Eleni Maria Stea ]
  * shouldn't create blur rectangles when there's no blur, skips the
blur rects processing in low gfx.
  * removes lowgfx option from ccsm, reads the "lowgfx" gsetting (LP:
#1668950)

  [ Nick Dedekind ]
  * Fixed tooltip scaling issues. (LP: #1673950)

 -- Marco Trevisan (Treviño)   Fri, 01 Dec 2017 18:46:01
+

** Changed in: unity (Ubuntu Xenial)
   Status: Fix Committed => Fix Released

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Title:
  Lock screen doesn't cover entire desktop on HiDPI display with draw-
  user-backgrounds unchecked

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[Bug 1666359] Re: Lock screen doesn't cover entire desktop on HiDPI display with draw-user-backgrounds unchecked

[Łukasz Zemczak]

@jnation The package is waiting for someone to perform validation, i.e.
someone installing the package from -proposed, running the test case on
it, making sure the fix works as expected and then reporting the test
results as a comment in this bug, along with setting the verification-
xenial-done tag - as per the SRU policy [1]. Without this, the update
will not leave -proposed. It can be you or any other user, but from
experience we know most bugs are validated by either the person
reporting or the person preparing the fix.

Thanks.

[1] https://wiki.ubuntu.com/StableReleaseUpdates#Verification

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Title:
  Lock screen doesn't cover entire desktop on HiDPI display with draw-
  user-backgrounds unchecked

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[Bug 1666359] Re: Lock screen doesn't cover entire desktop on HiDPI display with draw-user-backgrounds unchecked

[Jeremy Nation]

Hi Łukasz, is this issue waiting on me? Please see my earlier comment
https://bugs.launchpad.net/ubuntu/xenial/+source/unity/+bug/1666359/comments/4
.

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Title:
  Lock screen doesn't cover entire desktop on HiDPI display with draw-
  user-backgrounds unchecked

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[Bug 1666359] Re: Lock screen doesn't cover entire desktop on HiDPI display with draw-user-backgrounds unchecked

[Jeremy Nation]

Thanks for the work on this, however I'm not willing to test the update
from xenial-proposed in the base install on the laptop where I found the
problem. Were any of you able to verify the fix yourselves? If necessary
I can try to reproduce the problem and fix in a VM.

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Title:
  Lock screen doesn't cover entire desktop on HiDPI display with draw-
  user-backgrounds unchecked

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[Bug 1666359] Re: Lock screen doesn't cover entire desktop on HiDPI display with draw-user-backgrounds unchecked

[Brian Murray]

Hello Jeremy, or anyone else affected,

Accepted unity into xenial-proposed. The package will build now and be
available at
https://launchpad.net/ubuntu/+source/unity/7.4.5+16.04.20171116 in a few
hours, and then in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed.Your feedback will aid us getting this
update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested and change the tag from
verification-needed-xenial to verification-done-xenial. If it does not
fix the bug for you, please add a comment stating that, and change the
tag to verification-failed-xenial. In either case, details of your
testing will help us make a better decision.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance!

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

** Tags added: verification-needed verification-needed-xenial

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Title:
  Lock screen doesn't cover entire desktop on HiDPI display with draw-
  user-backgrounds unchecked

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[Bug 1666359] Re: Lock screen doesn't cover entire desktop on HiDPI display with draw-user-backgrounds unchecked

[Andrea Azzarone]

** Description changed:

  Ubuntu 16.04.2 LTS using Unity
  unity-greeter 16.04.2-0ubuntu1
  
- On a HiDPI monitor on a Dell XPS 13 9343 laptop, if you uncheck
- com.canonical.unity-greeter -> draw-user-backgrounds and then lock the
- desktop:
+ [Impact]
+ On a HiDPI monitor on a Dell XPS 13 9343 laptop, if you uncheck 
com.canonical.unity-greeter -> draw-user-backgrounds and then lock the desktop:
  
  Expected: the purple placeholder wallpaper should cover the entire desktop
  Observed: the purple placeholder wallpaper only covers the top-left part of 
the desktop
  
  I'm attaching an image showing roughly what the desktop looks like when
  it's locked. The green rectangle is the part covered by the purple
  wallpaper, the red is stuff that should not be visible when locked, and
  the yellow is the usual name/password entry box that is partially
  transparent.
  
  I'm marking this bug as a security vulnerability because it allows
  someone to see part of a user's desktop even when the desktop is locked.
+ 
+ [Test Case]
+ 1. Make sure to use an HiDPI monitor
+ 2. Open terminal
+ 3. gsettings set com.canonical.unity-greeter draw-user-backgrounds false
+ 4. Lock the screen
+ 5. Make sure the background is properly drawn.
+ 
+ [Potential Regression]
+ Make sure lockscreen background is drawn properly on an non-HiDPI monitor 
too. Also make sure that when using "draw-user-backgrounds == true" the 
background is properly drawn.

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Title:
  Lock screen doesn't cover entire desktop on HiDPI display with draw-
  user-backgrounds unchecked

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[Bug 1666359] Re: Lock screen doesn't cover entire desktop on HiDPI display with draw-user-backgrounds unchecked

[Launchpad Bug Tracker]

This bug was fixed in the package unity - 7.5.0+17.04.20170222-0ubuntu1

---
unity (7.5.0+17.04.20170222-0ubuntu1) zesty; urgency=medium

  * BackgroundSettings: use gnome-bg to generate textures with proper
scaling (LP: #1666359)

 -- Marco Trevisan (Treviño)   Wed, 22 Feb 2017 01:52:54
+

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

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Title:
  Lock screen doesn't cover entire desktop on HiDPI display with draw-
  user-backgrounds unchecked

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[Bug 1666359] Re: Lock screen doesn't cover entire desktop on HiDPI display with draw-user-backgrounds unchecked

[Treviño]

** Changed in: unity (Ubuntu)
   Status: New => In Progress

** Changed in: unity (Ubuntu)
   Importance: Undecided => High

** Changed in: unity (Ubuntu)
 Assignee: (unassigned) => Marco Trevisan (Treviño) (3v1n0)

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Title:
  Lock screen doesn't cover entire desktop on HiDPI display with draw-
  user-backgrounds unchecked

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[Bug 1666359] Re: Lock screen doesn't cover entire desktop on HiDPI display with draw-user-backgrounds unchecked

[Launchpad Bug Tracker]

** Branch linked: lp:~3v1n0/unity/lockscreen-background-scaling-fixes

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Title:
  Lock screen doesn't cover entire desktop on HiDPI display with draw-
  user-backgrounds unchecked

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[Bug 1666359] Re: Lock screen doesn't cover entire desktop on HiDPI display with draw-user-backgrounds unchecked

[Marc Deslauriers]

** Package changed: unity-greeter (Ubuntu) => unity (Ubuntu)

** Information type changed from Private Security to Public Security

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Title:
  Lock screen doesn't cover entire desktop on HiDPI display with draw-
  user-backgrounds unchecked

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