36 lines
1.3 KiB
C
36 lines
1.3 KiB
C
/***********************************************************************/
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/* */
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/* Caml Special Light */
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/* */
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/* Xavier Leroy, projet Cristal, INRIA Rocquencourt */
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/* */
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/* Copyright 1995 Institut National de Recherche en Informatique et */
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/* Automatique. Distributed only by permission. */
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/* */
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/***********************************************************************/
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/* $Id$ */
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#include "libgraph.h"
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value gr_sound(vfreq, vdur)
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value vfreq, vdur;
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{
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XKeyboardControl kbdcontrol;
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gr_check_open();
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kbdcontrol.bell_pitch = Int_val(vfreq);
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kbdcontrol.bell_duration = Int_val(vdur);
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XChangeKeyboardControl(grdisplay, KBBellPitch | KBBellDuration,
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&kbdcontrol);
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XBell(grdisplay, 0);
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kbdcontrol.bell_pitch = -1; /* restore default value */
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kbdcontrol.bell_duration = -1; /* restore default value */
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XChangeKeyboardControl(grdisplay, KBBellPitch | KBBellDuration,
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&kbdcontrol);
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XFlush(grdisplay);
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return Val_unit;
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}
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