[Bug 1546328] Re: Systray option does not work.

[Dmitry Shachnev]

Looks like the purpose of that code is to make the application
singleton. There are lots of solutions for this task that do not require
X11. Here is a very small library that qjackctl can probably use or
embed: https://github.com/itay-grudev/SingleApplication.

As a quick and temporary fix, maybe that functionality can be disabled?
It looks like --enable-xunique=no to configure may be sufficient.

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https://bugs.launchpad.net/bugs/1546328

Title:
  Systray option does not work.

Status in Ubuntu Studio:
  New
Status in qjackctl package in Ubuntu:
  Confirmed
Status in qtbase-opensource-src package in Ubuntu:
  Invalid

Bug description:
  Setting Qjackctl to "Enable system tray icon" does not display
  Qjackctl's icon and the menu provided by qjackctl from systray is
  blank. Further setting Qjackctl to "Start minimized to system tray"
  makes the application unusable.

  A reboot after Qjackctl to "Enable system tray icon" and  "Start
  minimized to system tray" are set, starting Qjackctl not only doesn't
  show Qjackctl's icon, but the mouse stops working correctly:

  The mouse moves ok, but does not have any hover effect or clicks so
  the menu no longer works and the only way to kill qjackctl is with
  control-alt-F1 (which does still work).

  Qjackctl is the main application used for controlling Jackd or
  jackdbus for those using any of the pro audio software.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: qjackctl 0.4.1-1ubuntu1
  ProcVersionSignature: Ubuntu 4.4.0-4.19-lowlatency 4.4.1
  Uname: Linux 4.4.0-4-lowlatency x86_64
  ApportVersion: 2.20-0ubuntu3
  Architecture: amd64
  CurrentDesktop: XFCE
  Date: Tue Feb 16 14:30:46 2016
  InstallationDate: Installed on 2015-11-19 (89 days ago)
  InstallationMedia: Ubuntu-Studio 16.04 LTS "Xenial Xerus" - Alpha amd64 (20151118)
  SourcePackage: qjackctl
  UpgradeStatus: No upgrade log present (probably fresh install)

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