Mouse

This module configures your pointing device, which may be a mouse, a trackball or another piece of hardware that does a similar job. The options available depend on your device and driver. Single-click or double-click for opening files is set in General Behavior.

• Device: Selects which device to configure. Enable device turns it on or off.
• Left and right buttons:
  • Swap (left-handed mode): Swaps the functions of the left and right buttons. If your device has more than two buttons, the others aren't affected.
  • Press both simultaneously to middle-click: Useful if you don't have a middle button. It adds 50 ms to each click, which is needed to detect simultaneous presses.
• Pointer speed: Changes how far the pointer moves on the screen for a given movement of the device.
• Enable pointer acceleration: The pointer travels further the faster you move it.
• Scrolling speed: From slower to faster.
• Scrolling:
  • Invert scroll direction: The scroll wheel works in the opposite direction.
  • Hold down middle button and move mouse to scroll: A substitute for a scroll wheel. It interferes with applications that use middle-button drag, such as some image editors, document viewers and games.

Some drivers show these instead:

• Legacy X11 acceleration and Acceleration threshold
• Double-click interval, Drag start time and Drag start distance
• Mouse wheel scrolls by

#Extra buttons

Configure Extra Buttons… binds extra mouse buttons to keys. Click Add Binding…, press the mouse button, then enter the new key combination.