88 lines
2.8 KiB
D
88 lines
2.8 KiB
D
;; list.d
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;;
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;; $Id$
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;;
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;; Copyright 1990, 1991, 1992, 1993, 1994, 1995, Oliver Laumann, Berlin
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;; Copyright 2002, 2003 Sam Hocevar <sam@hocevar.net>, Paris
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;;
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;; This software was derived from Elk 1.2, which was Copyright 1987, 1988,
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;; 1989, Nixdorf Computer AG and TELES GmbH, Berlin (Elk 1.2 has been written
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;; by Oliver Laumann for TELES Telematic Services, Berlin, in a joint project
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;; between TELES and Nixdorf Microprocessor Engineering, Berlin).
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;;
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;; Oliver Laumann, TELES GmbH, Nixdorf Computer AG and Sam Hocevar, as co-
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;; owners or individual owners of copyright in this software, grant to any
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;; person or company a worldwide, royalty free, license to
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;;
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;; i) copy this software,
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;; ii) prepare derivative works based on this software,
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;; iii) distribute copies of this software or derivative works,
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;; iv) perform this software, or
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;; v) display this software,
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;;
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;; provided that this notice is not removed and that neither Oliver Laumann
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;; nor Teles nor Nixdorf are deemed to have made any representations as to
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;; the suitability of this software for any purpose nor are held responsible
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;; for any defects of this software.
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;;
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;; THERE IS ABSOLUTELY NO WARRANTY FOR THIS SOFTWARE.
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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 (Object x) {
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register int 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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