| Value | Meaning |
|---|---|
| shift1 | |
| capsLock2 | |
| ctrl4 | |
| alt8 | Not always available on Windows |
| windows64 | ditto |
| numLock16 | |
| leftButtonDown256 | these aren't available on Windows for key events, so don't use them for that unless your app is X only. |
| middleButtonDown512 | ditto |
| rightButtonDown1024 | ditto |
State of keys on mouse events, especially motion.
Do not trust the actual integer values in this, they are platform-specific. Always use the names.