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I am using pygame right now to learn about it. When i first executed the program file from terminal ; there was an icon of the program window. I locked it to launcher and it used to run my program; each time i clicked on it.

But when i changed the location of that python file; the icon was still there ( in the launcher) and when i tried to make a new icon for my new program; the previous icon was coming and it was doing nothing on clicks.

Any ideas?

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    Remove the corresponding .desktop file from ~/.local/share/applications and repeat the routine, or edit the file to point to the new location. Sep 11, 2018 at 19:12
  • @JacobVlijm ThankYou so much. :))))
    – Vicrobot
    Sep 11, 2018 at 19:14

1 Answer 1

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What happened?

If you launch a GUI application from the terminal, the possible corresponding .desktop file is looked up as the application's representative in the launcher.
The priority to look up then is:

  1. ~/.local/share/applications
  2. /usr/share/applications

If in neither of these directories a valid representative is found, the application appears in the launcher with a generic icon. Right-clicking the icon and choosing Lock to Launcher, as you did, will then create a .desktop file in [1].

This .desktop file includes the full command + path you ran the application with, in theExec= -line.

How to fix if you moved the application?

Simply either:

  • Delete the (.desktop) file from ~/.local/share/applications, run your application again from cli and lock it again to the launcher.

or

  • Open the representing .desktop file in ~/.local/share/applications with e.g. gedit

    gedit ~/.local/share/applications/<.desktop_file>
    

    and change the line, starting with Exec= to represent the application in the correct path.

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