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