I don't know if this is an firefox bug or not but there are more topics about this
Firefox right button on selected text start Inspect Tool not right button menu
and Firefox right click issue
Also what version of firefox are you using? I have version 62.03 and got no problems with the mouse button/context menu for now.
Edit: got a litte fix go to -> ...
The files in /usr/share/applications are just desktop configuration files for the Applications menu. They are not the actual applications. In fact, if you were to view one of these text files using the Scratch text editor, you'll see that a lot of the files contain the location of the actual binary files, which you CAN run directly from the terminal (some ...
This is a function of Terminal itself. Pantheon Terminal makes Files aware that it is available to handle directories through a .desktop file. GNOME Terminal would have to supply a .desktop file that would indicate to Files that it handles directories.
You may be able to work around this by creating your own .desktop file for GNOME Terminal and placing it ...
elementaryOS AFAIK never had that menu, in fact in elementaryOS there's no minimize concept in the system
Probably you can see that menu in some non eOS-apps but isn't part of the environment
The link you provided is a guy who said what I said now, he wanted eOS desktop and apps to run like Gnome apps. My question is why he installed eOS and not a Gnome ...
One solution is to create a desktop file and then save it in
You can create a desktop file reading:
Once you create the text file, you can save it as something like polarr-snap.desktop in the ~/.local/share/applications ...