I just browsed source code of newlister. I guess that the the top-most black bar is "*titleItem" declared as a GtkWidget in lister.h, just as other items:
Code:
typedef struct
{
GtkWidget *titleItem;
GtkWidget *titleLocation; // display location information
GtkWidget *listItems[MAX_ITEMS_ON_ONE_PAGE];
} lsLister_t;
With istudy's above info, it should "not" be tough to make titleItem event-aware. I will give it a try.