elk/lib/xwidgets/motif/scale.d

65 lines
2.2 KiB
D

;; scale.d
;;
;; $Id$
;;
;; Copyright 1990, 1991, 1992, 1993, 1994, 1995, Oliver Laumann, Berlin
;; Copyright 2002, 2003 Sam Hocevar <sam@hocevar.net>, Paris
;;
;; This software was derived from Elk 1.2, which was Copyright 1987, 1988,
;; 1989, Nixdorf Computer AG and TELES GmbH, Berlin (Elk 1.2 has been written
;; by Oliver Laumann for TELES Telematic Services, Berlin, in a joint project
;; between TELES and Nixdorf Microprocessor Engineering, Berlin).
;;
;; Oliver Laumann, TELES GmbH, Nixdorf Computer AG and Sam Hocevar, as co-
;; owners or individual owners of copyright in this software, grant to any
;; person or company a worldwide, royalty free, license to
;;
;; i) copy this software,
;; ii) prepare derivative works based on this software,
;; iii) distribute copies of this software or derivative works,
;; iv) perform this software, or
;; v) display this software,
;;
;; provided that this notice is not removed and that neither Oliver Laumann
;; nor Teles nor Nixdorf are deemed to have made any representations as to
;; the suitability of this software for any purpose nor are held responsible
;; for any defects of this software.
;;
;; THERE IS ABSOLUTELY NO WARRANTY FOR THIS SOFTWARE.
(define-widget-type 'scale "Scale.h")
(define-widget-class 'scale 'xmScaleWidgetClass)
(prolog
"static Object Get_Scale_CB (XmScaleCallbackStruct *p) {
Object ret, s;
extern SYMDESCR Reason_Syms[];
GC_Node2;
ret = s = Make_Integer (p->value);
GC_Link2 (ret, s);
ret = Cons (ret, Null);
#ifdef SCALE_WIDGET_WORKS /* It doesn't. */
s = Get_Any_CB ((XmAnyCallbackStruct *)p);
#else
s = Intern (\"event-goes-here-when-Xm-is-fixed\");
s = Cons (s, Null);
s = Cons (Bits_To_Symbols ((unsigned long)p->reason, 0, Reason_Syms), s);
#endif
ret = Cons (Cdr (s), ret);
ret = Cons (Car (s), ret);
GC_Unlink;
return ret;
}")
(define-callback 'scale 'dragCallback #t)
(define-callback 'scale 'valueChangedCallback #t)
(define scale-callback->scheme
" return Get_Scale_CB ((XmScaleCallbackStruct *)x);")
(c->scheme 'callback:scale-dragCallback scale-callback->scheme)
(c->scheme 'callback:scale-valueChangedCallback scale-callback->scheme)