Constants
| KEY | = | 0x1 |
| BUTTON | = | 0x2 |
| MOTION | = | 0x4 |
| CROSSING | = | 0x8 |
| FOCUS | = | 0x10 |
| EXPOSE | = | 0x20 |
| VISIBILITY | = | 0x40 |
| CREATE | = | 0x80 |
| DESTROY | = | 0x100 |
| UNMAP | = | 0x200 |
| MAP | = | 0x400 |
| REPARENT | = | 0x800 |
| CONFIG | = | 0x1000 |
| GRAVITY | = | 0x2000 |
| CIRC | = | 0x4000 |
| PROP | = | 0x8000 |
| COLORMAP | = | 0x10000 |
| VIRTUAL | = | 0x20000 |
| ACTIVATE | = | 0x40000 |
| MAPREQ | = | 0x80000 |
| CONFIGREQ | = | 0x100000 |
| RESIZEREQ | = | 0x200000 |
| CIRCREQ | = | 0x400000 |
| MWHEEL | = | KEY |
| STRING_DATA | = | 0x80000000 |
| ALL | = | 0xFFFFFFFF |
| KEY_BUTTON_MOTION_VIRTUAL | = | (KEY|MWHEEL|BUTTON|MOTION|VIRTUAL) |
| KEY_BUTTON_MOTION_CROSSING | = | (KEY|MWHEEL|BUTTON|MOTION|CROSSING|VIRTUAL) |