| add | Holds information about a particular mouse event | |
| alt_down | Holds information about a particular mouse event | |
| button | Holds information about a particular mouse event | |
| ctrl_down | Holds information about a particular mouse event | |
| position | Holds information about a particular mouse event | |
| remove | Holds information about a particular mouse event | |
| shift_down | Holds information about a particular mouse event |