How can I disable window minimizing on middle mouse button click in xubuntu?

Solution 1:

To disable window minimizing on middle mouse button, run the following command in terminal:

gsettings set org.gnome.desktop.wm.preferences action-middle-click-titlebar 'none'

To revert it back, run:

gsettings set org.gnome.desktop.wm.preferences action-middle-click-titlebar 'lower'

To disable browser's tab to close on middle click, see: https://superuser.com/questions/113048/how-do-i-prevent-firefox-from-closing-tabs-on-middle-click

You can also to use xbindkeys. To install it, run in terminal:

sudo apt-get install xbindkeys

Then the next two lines must be placed in ~/.xbindkeysrc file:

""    #don't do nothing
b:2   #mouse button 2

And finally, you must to clear current bindings with killall xbindkeys and then just execute xbindkeys to restart it.

Solution 2:

To expand on Radu's answer, for those of us who actually want the windows to minimize instead of be sent to the background, this works:

gsettings set org.gnome.desktop.wm.preferences action-middle-click-titlebar 'minimize'