elk/lib/xaw/list.d

61 lines
1.6 KiB
Scheme

;;; -*-Scheme-*-
(define-widget-type 'list "List.h")
(prolog
"
static char **Get_List (x) Object x; {
register i, n;
register char *s, **l;
Alloca_Begin;
Check_List (x);
n = Fast_Length (x);
l = (char **)XtMalloc ((n+1) * sizeof (char *));
for (i = 0; i < n; i++, x = Cdr (x)) {
Get_Strsym_Stack (Car (x), s);
l[i] = XtNewString (s);
}
l[i] = 0;
Alloca_End;
return l;
}")
(define-widget-class 'list 'listWidgetClass)
(define-callback 'list 'callback #t)
(c->scheme 'callback:list-callback
" XawListReturnStruct *p = (XawListReturnStruct *)x;
return Cons (Make_String (p->string, strlen (p->string)),
Make_Integer (p->list_index));")
(scheme->c 'list-list
" return (XtArgVal)Get_List (x);")
(define-primitive 'list-change! '(w x resize)
" Check_Widget_Class (w, listWidgetClass);
Check_Type (resize, T_Boolean);
XawListChange (WIDGET(w)->widget, Get_List (x), 0, 0, EQ (resize, True));
return Void;")
(define-primitive 'list-highlight '(w i)
" Check_Widget_Class (w, listWidgetClass);
XawListHighlight (WIDGET(w)->widget, Get_Integer (i));
return Void;")
(define-primitive 'list-unhighlight '(w)
" Check_Widget_Class (w, listWidgetClass);
XawListUnhighlight (WIDGET(w)->widget);
return Void;")
(define-primitive 'list-current '(w)
" XawListReturnStruct *p;
Check_Widget_Class (w, listWidgetClass);
p = XawListShowCurrent (WIDGET(w)->widget);
if (p->list_index == XAW_LIST_NONE)
return False;
return Cons (Make_String (p->string, strlen (p->string)),
Make_Integer (p->list_index));")