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I use an application (Simplify3D for example) which is a binary launched by bash script.
The GUI is created by the binary, while the .desktop file points to the script.
For this reason I do have an icon on the Desktop launcher and in the lens, but do not have an icon in the Unity Launcher - just a grey box with a question mark.
How can I make the icon visible in the launcher too?

The .desktop file contents is 

[Desktop Entry]
Type=Application
Version=0.9.4
Name=Simplify3D
Comment=Simplify3D Software
Icon=/opt/Simplify3D/icon.png
Exec=/opt/Simplify3D/LaunchScript.sh
Terminal=false
Path=/opt/Simplify3D
StartupWMClass=Simplify3D // That line fixed it
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  • And it doesn't work, presumably for the reason I described. Or do you mean some line specific for launcher? What is it then?
    – Barafu Albino
    Aug 4, 2014 at 11:49
  • Can you add in your question the result of cat 'yourFile'.desktop
    – Boris
    Aug 4, 2014 at 11:53
  • Yes, in a few hours.
    – Barafu Albino
    Aug 4, 2014 at 11:56
  • Rinzwind, this is not similar because in my case .desktop file has appointed icon, but Unity Launcher, and only it, does not see that icon. Everything else does see the icon.
    – Barafu Albino
    Aug 4, 2014 at 11:58

1 Answer 1

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In these "indirect" cases, you have to tell the desktop file what application it is connected to:

Add a line to your .desktop file, like:

StartupWMClass=[your_application] (the binary file in this case)

also pointed out here.

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  • Nailed it! Thanks. As per this answer, the string was not the binary file, but the class I had to figure out with xprop WM_CLASS command.
    – Barafu Albino
    Aug 4, 2014 at 16:36

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