DOKK / manpages / debian 12 / libmotif-dev / XmListYToPos.3.en
XmListYToPos(3) Library Functions Manual XmListYToPos(3)

XmListYToPos — A List function that returns the position of the item at a specified y-coordinate "XmListYToPos" "List functions" "XmListYToPos"

#include <Xm/List.h>
int XmListYToPos(
Widget widget,
Position y);

XmListYToPos returns the position of the item at the given y-coordinate within the list.

Specifies the ID of the List widget
Specifies the y-coordinate in the list's coordinate system

For a complete definition of List and its associated resources, see XmList(3).

Returns the position of the item at the specified y coordinate. A value of 1 indicates the first item in the list; a value of 2 indicates the second item; and so on. A value of 0 (zero) indicates that no item exists at the specified y coordinate.

XmList(3) and XmListPosToBounds(3).