This bug was fixed in the package unity - 5.20.0-0ubuntu2
---------------
unity (5.20.0-0ubuntu2) precise; urgency=low
* Check to see if the window is supposed to have decorations instead
of the window actually being decorated when Undecorate() is called.
This fixes a regression from the previous SRU where windows opened
maximized upon login could have extra decorations (LP: #1195730)
unity (5.20.0-0ubuntu1) precise; urgency=low
* New upstream release.
- ResultRendererTile: fix a crash if row.renderer<TextureContainer*>()
is null (LP: #926658)
- Fix unity launcher vanishes when switching to mirrored displays
(LP: #991637)
- Fix window decorations being drawn when they should not be.
This fixes icaclient window "dancing" (LP: #1083186) and
hides decoration in a test case with Steam (LP: #1122478)
- [multimonitor] Dash - Opening dash or HUD on one screen removes panel
shadow on the other (LP: #892718)
- Press Alt+F1, panel’s shadow dissapear (LP: #942965)
* Cherry-pick a manual test for decorations fix
-- Christopher Townsend <christopher.towns...@canonical.com> Mon, 08 Jul
2013 09:37:30 -0600
** Changed in: unity (Ubuntu Precise)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1122478
Title:
Unity appears to enable decorations in _MOTIFY_WM_HINTS on its own
Status in Unity:
Fix Released
Status in Unity 5.0 series:
Fix Released
Status in Unity 6.0 series:
Fix Committed
Status in “unity” package in Ubuntu:
Fix Released
Status in “unity” source package in Precise:
Fix Released
Bug description:
[Test Case]
1. Start Steam on Ubuntu
-> Notice that the Steam window has a custom, non-Ubuntu border, window
buttons and decorations
2. Maximize the Steam window
3. Minimize the Steam window
4. Un-minimize the Steam window
5. Restore the Steam window
-> Make sure that Steam does not have Ubuntu window decorations, but looks
as it looked in step 1.
[Regression Potential]
No real regression potential - in really really impossible conditions
is the lack of window decorations for selected, standard windows.
Original description:
A Steam Linux user reported this problem.
He created a video which shows a sequence of minimizes and maximizes.
Initially the Steam client window does not have decoration. This is
expected as Steam sets _MOTIF_WM_HINTS to disable decorations and
never changes them again. As the mins and maxes are performed
_MOTIF_WM_HINTS gets changed and decorations are enabled. Checking
xprop confirms that the window properties actually are different. As
far as I can tell the Steam client is not doing this, so it seems like
Unity is?
Here's the movie:
http://youtu.be/erPL_hPDHxA
Here's the original GitHub report:
https://github.com/ValveSoftware/steam-for-linux/issues/1516
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: unity 5.18.0-0ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-36.57-generic-pae 3.2.35
Uname: Linux 3.2.0-36-generic-pae i686
NonfreeKernelModules: nvidia
ApportVersion: 2.0.1-0ubuntu17.1
Architecture: i386
CompizPlugins:
[core,composite,opengl,compiztoolbox,decor,vpswitch,snap,mousepoll,resize,place,move,wall,grid,regex,imgpng,session,gnomecompat,animation,fade,unitymtgrabhandles,workarounds,scale,expo,ezoom,unityshell]
Date: Sun Feb 10 14:17:57 2013
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta i386 (20120328)
MarkForUpload: True
SourcePackage: unity
UpgradeStatus: No upgrade log present (probably fresh install)
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