61 lines
2.1 KiB
D
61 lines
2.1 KiB
D
;; scrollbar.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 'scrollbar "Scrollbar.h")
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(prolog
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"static SYMDESCR Orientation_Syms[] = {
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{ \"horizontal\", XtorientHorizontal },
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{ \"vertical\", XtorientVertical },
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{ 0, 0 }
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};")
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(define-widget-class 'scrollbar 'scrollbarWidgetClass)
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(scheme->c 'scrollbar-orientation
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" return (XtArgVal)Symbols_To_Bits (x, 0, Orientation_Syms);")
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(c->scheme 'scrollbar-orientation
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" return Bits_To_Symbols ((unsigned long)x, 0, Orientation_Syms);")
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(define-callback 'scrollbar 'scrollProc #t)
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(define-callback 'scrollbar 'jumpProc #t)
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(c->scheme 'callback:scrollbar-scrollProc
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" return Make_Integer ((int)x);")
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(c->scheme 'callback:scrollbar-jumpProc
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" return Make_Reduced_Flonum ((double)*(float *)x);")
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(define-primitive 'scrollbar-set-thumb! '(w t s)
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" Check_Widget_Class (w, scrollbarWidgetClass);
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XawScrollbarSetThumb (WIDGET(w)->widget, Get_Double (t), Get_Double (s));
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return Void;")
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