Same here on Ubuntu Studio 12.04 (Xfce) - left click on menu bar(empty space)/tool bar activates grab/move window mode which starts when left clicked inside window.
It looks like only gtk3 (nautilus, gnome terminal...) It does not matter which theme.
Thunar does not reacts this way.
Same here on Ubuntu Studio 12.04 (Xfce) - left click on menu bar(empty space)/tool bar activates grab/move window mode which starts when left clicked inside window.
It looks like only gtk3 (nautilus, gnome terminal...) It does not matter which theme.
Thunar does not reacts this way.