| GR_CAL_DATA | Calibration data passed to GrCalcTransform |
| GR_EVENT | Union of all possible event structures |
| GR_EVENT_BUTTON | Event for a mouse button pressed down or released |
| GR_EVENT_CLIENT_DATA | GR_EVENT_TYPE_CLIENT_DATA |
| GR_EVENT_CLIENT_DATA_REQ | GR_EVENT_TYPE_CLIENT_DATA_REQ |
| GR_EVENT_ERROR | Event for errors detected by the server |
| GR_EVENT_EXPOSURE | Event for exposure for a region of a window |
| GR_EVENT_FDINPUT | GrRegisterInput() event |
| GR_EVENT_GENERAL | General events for focus in or focus out for a window, or mouse enter or mouse exit from a window, or window unmapping or mapping, etc |
| GR_EVENT_KEYSTROKE | Event for a keystroke typed for the window with has focus |
| GR_EVENT_MOUSE | Events for mouse motion or mouse position |
| GR_EVENT_SCREENSAVER | GR_EVENT_TYPE_SCREENSAVER |
| GR_EVENT_SELECTION_CHANGED | GR_EVENT_TYPE_SELECTION_CHANGED |
| GR_EVENT_TIMER | GR_EVENT_TYPE_TIMER |
| GR_EVENT_UPDATE | GR_EVENT_TYPE_UPDATE |
| GR_GC_INFO | Graphics context properties returned by the GrGetGCInfo() call |
| GR_PALETTE | Color palette |
| GR_RECT | Nano-X rectangle, different from MWRECT |
| GR_WINDOW_INFO | Window properties returned by the GrGetWindowInfo() call |
| GR_WM_PROPERTIES | Window manager properties used by the GrGetWMProperties()/GrSetWMProperties() calls |
1.3