XmTrackingEvent(3X) — XmTrackingEvent--A Toolkit function that provides a modal interaction XmTrackingEventToolkit functions
#include <Xm/Xm.h>
Widget XmTrackingEvent (widget, cursor, confine_to, event_return)
Widget widget;
Cursor cursor;
Boolean confine_to;
XEvent *event_return;
XmTrackingEvent provides a modal interface for selection of a component. It is intended to support context help. The function grabs the pointer and discards succeeding events until BSelect is released or a key is pressed and then released. The function then returns the widget or gadget that contains the pointer when BSelect is released or a key is released.
| widget | Specifies the widget ID of a widget to use as the basis of the modal interaction. That is, the widget within which the interaction must occur, usually a top level shell. | |
| cursor | Specifies the cursor to be used for the pointer during the interaction. This is a standard X cursor name. | |
| confine_to | Specifies whether or not the cursor should be confined to widget. | |
| event_return | Returns the ButtonRelease or KeyRelease event that causes the function to return. |
Returns the widget or gadget that contains the pointer when BSelect is released or a key is released. If no widget or gadget contains the pointer, the function returns NULL.