Xmtabstackxytowidget a tabstack function that converts a pixel coordinate to the widget id of the tab occupying that space "xmtabstackxytowidget" "tabstack functions" "xmtabstackxytowidget"
#include <Xm/TabStack.h> Widget XmTabStackXYToWidget( Widget widget, int x, int y);
XmTabStackXYToWidget converts an X/Y pixel coordinate in the window if TabStack to the widget ID of the tab occupying that space.
Specifies the TabStack widget ID
Specifies X coordinate to convert
Specifies Y coordinate to convert
Returns the widget ID of the tab occuring in the cpecified coordinate.
XmTabStack(3).