Re: Icons on Linux

On Thu, 12 Aug 2021 08:52:26 -0400
David Vereb <[email protected]> wrote:

>On 16.04 I was able to just make a .desktop file:
>
>
>*nameofprogram.desktop*
>
>[Desktop Entry]
>Name=Name of Program
>Comment=Description of Program
>Exec=/path/to/program --extra-flag
>Icon=/path/to/icons/programicon.png
>Terminal=false
>Type=Application
>StartupNotify=true
>StartupWMClass=Name of Program
>
>
>The StartupWMClass of the .desktop file had to match the first parameter 
>when creating FXApp in order for it to properly show the icon.  We were 
>able to change this name to make it use a different icon, too, as we 
>have a "simulation mode" which we wanted to show was open with a 
>different icon.
>
>FXString WMClass = "Name of Program";
>
>if(SimMode())
>
>     WMClass = "Name of Program --sim";
>
>new FXApp(WMClass, "My Program");
>
>
>In 20.04 we had to make sure to place the .desktop file into 
>/usr/share/applications for it to work.  We ended up just making a 
>symbolic link to where we normally store it (as we have an update script 
>for updating it if we ever choose to).
>
>e.g. sudo ln -s /path/to/desktop/files/nameofprogram.desktop 
>/usr/share/applications/nameofprogram.desktop
>
>
>I don't know how much of this is the *correct* way of doing it, so I'd 
>be open to other people's responses & changes if there are improvements 
>to be made!

Yes, this is correct.

On XFCE, you can do this via GUI:

Right click on background to get the popup menu:

Select "Create Launcher"

Then fill in Name, Command, and click "Icon" to select an
icon file to be used for the desktop icon [I suggest to point
it to a (copy of) the exact icon used in your application].

And then Bob's your uncle, as they say....


			-- JVZ



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