XMouseJail

Origin: http://ubuntuforums.org/showthread.php?t=1181014

Lock X mouse pointer to a single area or screen.

NOTE

The ScreenIdx refers to the ID of the screen. The ID of primary screen is always 0. The other screens increases the ID from left to right.

|---------|     |---------|      |---------|      |---------|
|    1    |     |    2    |      | Primary |      |    3    |
|         |     |         |      |    0    |      |         |
|---------|     |---------|      |---------|      |---------|