`kcmshell` modules relation with `/usr/share/applications`

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A Little Background



I am using Plasma V 5.5.5, Qt V 5.5.1, Kernel 4.4.0-116, in a 64Bits OS with Kubuntu 16.04.



I like the Phonon GUI to test Right and Left speakers separately, so I said, let's add it to the Favorites panel in the KDE dash: a simple drag and drop would do it. I did it, obtaining the following as a response when clicking the icon in the Favorites Panel:



Phonon Error



There had to be a workaround, I decided to go to the plasma-org.kde.plasma.desktop-appletsrc file, located at /home/toquica/.config, where I would look for the favoritesApps line (the one starting with [Containments][131][Applets][149][Configuration][General] because I am using the Application Dashboard option for the dash) and I actually found the entry: kcm_phonon.desktop.



A Problem to a Solution



I then decided to go to /usr/share/applications and create the file kcm_phonon.desktop with some information like:



[Desktop Entry]

Version=1.0
Encoding=UTF-8
Name=Phonon Volume Control
GenericName=Test Audio
Comment=Test and adjust volume
Exec=kcmshell5 kcm_phonon
Icon=multimedia-volume-control
StartupNotify=true
Type=Application
Categories=AudioVideo;Audio;Volume;
NoDisplay=true


To my surprise this created a huge problem from what I thought it would be a solution, suddenly the command kcmshell4 kcm_phonon stopped working with the message Could not find module 'kcm_phonon'. See kcmshell5 --list for the full list of modules., and the kcmshell5 --list command didn't actually find the kcm_phonon module, neither the entry Audio and Video would appear in the dash nor under Multimedia in the System Settings window.



I reinstalled several things (when I say several, I mean like around 20 packages, I honestly didn't know what to do, Google doesn't provide too much information about it) and I then decided to delete the file, to my surprise kcmshell4 kcm_phonon worked again.



Something weird is that when issuing the command locate kcm_phonon, there is an output /usr/share/applications/kcm_phonon.desktop (even after the file was completely deleted, no hidden files are in that folder, root access doesn't make any difference), but again if I create it, everything stops working again.



The Question



Why can't kcmshell find a module when a desktop file with the same name is created in the applications folder?










share|improve this question



























    up vote
    0
    down vote

    favorite












    A Little Background



    I am using Plasma V 5.5.5, Qt V 5.5.1, Kernel 4.4.0-116, in a 64Bits OS with Kubuntu 16.04.



    I like the Phonon GUI to test Right and Left speakers separately, so I said, let's add it to the Favorites panel in the KDE dash: a simple drag and drop would do it. I did it, obtaining the following as a response when clicking the icon in the Favorites Panel:



    Phonon Error



    There had to be a workaround, I decided to go to the plasma-org.kde.plasma.desktop-appletsrc file, located at /home/toquica/.config, where I would look for the favoritesApps line (the one starting with [Containments][131][Applets][149][Configuration][General] because I am using the Application Dashboard option for the dash) and I actually found the entry: kcm_phonon.desktop.



    A Problem to a Solution



    I then decided to go to /usr/share/applications and create the file kcm_phonon.desktop with some information like:



    [Desktop Entry]

    Version=1.0
    Encoding=UTF-8
    Name=Phonon Volume Control
    GenericName=Test Audio
    Comment=Test and adjust volume
    Exec=kcmshell5 kcm_phonon
    Icon=multimedia-volume-control
    StartupNotify=true
    Type=Application
    Categories=AudioVideo;Audio;Volume;
    NoDisplay=true


    To my surprise this created a huge problem from what I thought it would be a solution, suddenly the command kcmshell4 kcm_phonon stopped working with the message Could not find module 'kcm_phonon'. See kcmshell5 --list for the full list of modules., and the kcmshell5 --list command didn't actually find the kcm_phonon module, neither the entry Audio and Video would appear in the dash nor under Multimedia in the System Settings window.



    I reinstalled several things (when I say several, I mean like around 20 packages, I honestly didn't know what to do, Google doesn't provide too much information about it) and I then decided to delete the file, to my surprise kcmshell4 kcm_phonon worked again.



    Something weird is that when issuing the command locate kcm_phonon, there is an output /usr/share/applications/kcm_phonon.desktop (even after the file was completely deleted, no hidden files are in that folder, root access doesn't make any difference), but again if I create it, everything stops working again.



    The Question



    Why can't kcmshell find a module when a desktop file with the same name is created in the applications folder?










    share|improve this question

























      up vote
      0
      down vote

      favorite









      up vote
      0
      down vote

      favorite











      A Little Background



      I am using Plasma V 5.5.5, Qt V 5.5.1, Kernel 4.4.0-116, in a 64Bits OS with Kubuntu 16.04.



      I like the Phonon GUI to test Right and Left speakers separately, so I said, let's add it to the Favorites panel in the KDE dash: a simple drag and drop would do it. I did it, obtaining the following as a response when clicking the icon in the Favorites Panel:



      Phonon Error



      There had to be a workaround, I decided to go to the plasma-org.kde.plasma.desktop-appletsrc file, located at /home/toquica/.config, where I would look for the favoritesApps line (the one starting with [Containments][131][Applets][149][Configuration][General] because I am using the Application Dashboard option for the dash) and I actually found the entry: kcm_phonon.desktop.



      A Problem to a Solution



      I then decided to go to /usr/share/applications and create the file kcm_phonon.desktop with some information like:



      [Desktop Entry]

      Version=1.0
      Encoding=UTF-8
      Name=Phonon Volume Control
      GenericName=Test Audio
      Comment=Test and adjust volume
      Exec=kcmshell5 kcm_phonon
      Icon=multimedia-volume-control
      StartupNotify=true
      Type=Application
      Categories=AudioVideo;Audio;Volume;
      NoDisplay=true


      To my surprise this created a huge problem from what I thought it would be a solution, suddenly the command kcmshell4 kcm_phonon stopped working with the message Could not find module 'kcm_phonon'. See kcmshell5 --list for the full list of modules., and the kcmshell5 --list command didn't actually find the kcm_phonon module, neither the entry Audio and Video would appear in the dash nor under Multimedia in the System Settings window.



      I reinstalled several things (when I say several, I mean like around 20 packages, I honestly didn't know what to do, Google doesn't provide too much information about it) and I then decided to delete the file, to my surprise kcmshell4 kcm_phonon worked again.



      Something weird is that when issuing the command locate kcm_phonon, there is an output /usr/share/applications/kcm_phonon.desktop (even after the file was completely deleted, no hidden files are in that folder, root access doesn't make any difference), but again if I create it, everything stops working again.



      The Question



      Why can't kcmshell find a module when a desktop file with the same name is created in the applications folder?










      share|improve this question















      A Little Background



      I am using Plasma V 5.5.5, Qt V 5.5.1, Kernel 4.4.0-116, in a 64Bits OS with Kubuntu 16.04.



      I like the Phonon GUI to test Right and Left speakers separately, so I said, let's add it to the Favorites panel in the KDE dash: a simple drag and drop would do it. I did it, obtaining the following as a response when clicking the icon in the Favorites Panel:



      Phonon Error



      There had to be a workaround, I decided to go to the plasma-org.kde.plasma.desktop-appletsrc file, located at /home/toquica/.config, where I would look for the favoritesApps line (the one starting with [Containments][131][Applets][149][Configuration][General] because I am using the Application Dashboard option for the dash) and I actually found the entry: kcm_phonon.desktop.



      A Problem to a Solution



      I then decided to go to /usr/share/applications and create the file kcm_phonon.desktop with some information like:



      [Desktop Entry]

      Version=1.0
      Encoding=UTF-8
      Name=Phonon Volume Control
      GenericName=Test Audio
      Comment=Test and adjust volume
      Exec=kcmshell5 kcm_phonon
      Icon=multimedia-volume-control
      StartupNotify=true
      Type=Application
      Categories=AudioVideo;Audio;Volume;
      NoDisplay=true


      To my surprise this created a huge problem from what I thought it would be a solution, suddenly the command kcmshell4 kcm_phonon stopped working with the message Could not find module 'kcm_phonon'. See kcmshell5 --list for the full list of modules., and the kcmshell5 --list command didn't actually find the kcm_phonon module, neither the entry Audio and Video would appear in the dash nor under Multimedia in the System Settings window.



      I reinstalled several things (when I say several, I mean like around 20 packages, I honestly didn't know what to do, Google doesn't provide too much information about it) and I then decided to delete the file, to my surprise kcmshell4 kcm_phonon worked again.



      Something weird is that when issuing the command locate kcm_phonon, there is an output /usr/share/applications/kcm_phonon.desktop (even after the file was completely deleted, no hidden files are in that folder, root access doesn't make any difference), but again if I create it, everything stops working again.



      The Question



      Why can't kcmshell find a module when a desktop file with the same name is created in the applications folder?







      sound kubuntu kde kde-apps






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      edited Feb 27 at 18:40

























      asked Feb 27 at 18:28









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