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I just installed Lubuntu 11.10. I spend quite a bit of time in Emacs, and I have a bunch of key bindings that rely on the Super key. However, Lubuntu captures the Super key press and opens the main menu every time. This is quite frustrating.
How I do I unbind this super key behavior? I've tried tweaking lubuntu-rc.xml with no luck.
Editing .config/openbox/lubuntu-rc.xml (Lubuntu 12.04) worked here. It's line 177, and the original relevant part looked like this: <keybind key="Super_L". Changed it to <keybind key="", logged out/in, and the Super key does nothing.
lubuntu-rc.xml that comes with Lubuntu 13.04, there's no entry with the string "Super".
Super_L in Lubuntu 13.04. Someone decided to use just Super_L to open the terminal (although the OS and Openbox version weren't specified). I verified that that works in Lubuntu 13.04.
For more recent LXQt versions, delete the Super_L entry in the shortcut configs, or delete:
[Super_L.33]
Comment=Show/hide main menu
Enabled=false
path=/panel/mainmenu/show_hide
in ~/.config/lxqt/globalkeyshortcuts.conf.
Works for me in Lubuntu 20.04.
This behavior is binded into the lxqt shortcut keys menu (Global Action Manager) to Super_L, so you must first disable or edit the entry there. After this, all Super Key (W-) bindings in *rc.xml files will work.
You can use Compiz Config Settings Manager to edit the Ubuntu Unity Plugin. On the Behaviour tab, there's a keybinding for "key to show the launcher".
~/.config/openbox/lubuntu-rc.xml.