/*
* setupScroolBar - setup the size and position of the vertical scrollbar
*/
static void setupScrollBar( SAREA *use )
{
vGadget.start = use->row + 1;
vGadget.end = vGadget.start + use->height - 1;
vGadget.anchor = helpScreen.area.width + 1;
vGadget.win = &helpScreen;
vGadget.total_size = helpLines;
vGadget.page_size = use->height;
vGadget.pos = 0;
vGadget.slider = EV_SCROLL_VERTICAL;
uiinitgadget( &vGadget );
}
a_list_info *uibeglistbox( VSCREEN *vs, SAREA *area, a_list *list )
{
a_list_info *box;
unsigned maxline;
box = uicalloc( 1, sizeof( a_list_info ) );
if( box == NULL ) {
return( NULL );
}
if( list->get == NULL ) {
list->get = ( bool (*) ( void *, unsigned, char *, unsigned ) )
uigetlistelement;
}
box->vs = vs;
box->area = *area;
box->line = list->choice;
box->row = list->choice;
box->attr = ATTR_EDIT;
maxline = uilistsize( list );
box->gadget.win = box->vs; // Initialize gadget
box->gadget.dir = VERTICAL;
box->gadget.anchor = box->area.col + box->area.width + 1;
box->gadget.start = box->area.row + 1;
box->gadget.end = box->area.row + box->area.height;
box->gadget.forward = EV_SCROLL_LINE_DOWN;
box->gadget.backward = EV_SCROLL_LINE_UP;
box->gadget.slider = EV_SCROLL_VERTICAL,
box->gadget.pageforward = EV_SCROLL_PAGE_DOWN;
box->gadget.pagebackward = EV_SCROLL_PAGE_UP;
box->gadget.total_size = (int)maxline;
if( box->gadget.total_size < (int)box->area.height )
box->gadget.total_size = (int)box->area.height;
box->gadget.page_size = box->area.height;
box->gadget.pos = 0;
box->gadget.flags = GADGET_NONE;
uiinitgadget( &box->gadget );
list->box = box;
setstartline( list );
uipaintlistbox( list );
return( box );
}
