Mouse Tips for Gambit on Linux
Turn off NumLock key as it changes the behavior of the mouse button and keyboard modifier keys.
If you experience trouble with Shift-Left-Click picking you may be able to fix it by changing the Window Manager inner window mouse action settings.
1.Open the Control Center
2.Select Look & Feel
3.Select Window Behavior
4.For inner window actions for Left Button change from Move to Nothing.
5.If this still does not work, try other window manager (like KDE).
If you experience trouble with switching picking mode with rotating mode by pressing the right and left button at the same time it may be that "emulate Button3" option is on.
To turn it off (normally require root access):
1.Edit the file /etc/X11/XF86Config
2.Line: Option "Emulate3Buttons" "on"
3.Change "on" to "off".