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[Bug 1398101] [NEW] Cannot restore an iconified window when several windows of same WM_CLASS are present with Unity

 

Public bug reported:

I cannot restore an iconified window when several windows of same
WM_CLASS are present with Unity.

If there is only an iconified window, it works fine, simply restores after a click in dock on its icon.
If there are an iconified and another window in normal state, then it is tricky, I have to click several times on the dock icon to restore it.
If there are an iconified window and two or more windows in normal state I am unable to restore it with Unity DE.

Sample attached, to reproduce the issue compile and run it with gcc
main.c -lX11 -o main && ./main

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: unity 7.2.3+14.04.20140826-0ubuntu1
ProcVersionSignature: Ubuntu 3.13.0-40.69-generic 3.13.11.10
Uname: Linux 3.13.0-40-generic x86_64
NonfreeKernelModules: fglrx
ApportVersion: 2.14.1-0ubuntu3.5
Architecture: amd64
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
CurrentDesktop: Unity
Date: Mon Dec  1 20:36:37 2014
InstallationDate: Installed on 2013-11-09 (387 days ago)
InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
SourcePackage: unity
UpgradeStatus: Upgraded to trusty on 2014-04-18 (227 days ago)

** Affects: unity (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug trusty

** Attachment added: "gcc main.c -lX11 -o main && ./main"
   https://bugs.launchpad.net/bugs/1398101/+attachment/4272309/+files/main.c

** Description changed:

  I cannot restore an iconified window when several windows of same
  WM_CLASS are present with Unity.
  
  If there is only an iconified window, it works fine, simply restores after a click in dock on its icon.
  If there are an iconified and another window in normal state, then it is tricky, I have to click several times on the dock icon to restore it.
- If there are an iconified window and two or more another window in normal state I am unable to restore it with Unity DE.
-  
- Sample attached, to reproduce the issue compile and run it with gcc main.c -lX11 -o main && ./main
+ If there are an iconified window and two or more windows in normal state I am unable to restore it with Unity DE.
+ 
+ Sample attached, to reproduce the issue compile and run it with gcc
+ main.c -lX11 -o main && ./main
  
  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: unity 7.2.3+14.04.20140826-0ubuntu1
  ProcVersionSignature: Ubuntu 3.13.0-40.69-generic 3.13.11.10
  Uname: Linux 3.13.0-40-generic x86_64
  NonfreeKernelModules: fglrx
  ApportVersion: 2.14.1-0ubuntu3.5
  Architecture: amd64
  CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
  CurrentDesktop: Unity
  Date: Mon Dec  1 20:36:37 2014
  InstallationDate: Installed on 2013-11-09 (387 days ago)
  InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
  SourcePackage: unity
  UpgradeStatus: Upgraded to trusty on 2014-04-18 (227 days ago)

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https://bugs.launchpad.net/bugs/1398101

Title:
  Cannot restore an iconified window when several windows of same
  WM_CLASS are present with Unity

Status in unity package in Ubuntu:
  New

Bug description:
  I cannot restore an iconified window when several windows of same
  WM_CLASS are present with Unity.

  If there is only an iconified window, it works fine, simply restores after a click in dock on its icon.
  If there are an iconified and another window in normal state, then it is tricky, I have to click several times on the dock icon to restore it.
  If there are an iconified window and two or more windows in normal state I am unable to restore it with Unity DE.

  Sample attached, to reproduce the issue compile and run it with gcc
  main.c -lX11 -o main && ./main

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: unity 7.2.3+14.04.20140826-0ubuntu1
  ProcVersionSignature: Ubuntu 3.13.0-40.69-generic 3.13.11.10
  Uname: Linux 3.13.0-40-generic x86_64
  NonfreeKernelModules: fglrx
  ApportVersion: 2.14.1-0ubuntu3.5
  Architecture: amd64
  CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
  CurrentDesktop: Unity
  Date: Mon Dec  1 20:36:37 2014
  InstallationDate: Installed on 2013-11-09 (387 days ago)
  InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
  SourcePackage: unity
  UpgradeStatus: Upgraded to trusty on 2014-04-18 (227 days ago)

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