1 /* 2 * Copyright 1993 Network Computing Devices, Inc. 3 * 4 * Permission to use, copy, modify, distribute, and sell this software and 5 * its documentation for any purpose is hereby granted without fee, provided 6 * that the above copyright notice appear in all copies and that both that 7 * copyright notice and this permission notice appear in supporting 8 * documentation, and that the name Network Computing Devices, Inc. not be 9 * used in advertising or publicity pertaining to distribution of this 10 * software without specific, written prior permission. 11 * 12 * THIS SOFTWARE IS PROVIDED 'AS-IS'. NETWORK COMPUTING DEVICES, INC., 13 * DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING WITHOUT 14 * LIMITATION ALL IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A 15 * PARTICULAR PURPOSE, OR NONINFRINGEMENT. IN NO EVENT SHALL NETWORK 16 * COMPUTING DEVICES, INC., BE LIABLE FOR ANY DAMAGES WHATSOEVER, INCLUDING 17 * SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES, INCLUDING LOSS OF USE, DATA, 18 * OR PROFITS, EVEN IF ADVISED OF THE POSSIBILITY THEREOF, AND REGARDLESS OF 19 * WHETHER IN AN ACTION IN CONTRACT, TORT OR NEGLIGENCE, ARISING OUT OF OR IN 20 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 21 * 22 * $NCDId: @(#)Xtutil.h,v 1.5 1994/09/19 22:40:13 greg Exp $ 23 * 24 * <audio/xtutil.h> 25 * 26 * This file contains declarations for utilities that may be used with Xt. 27 */ 28 29 #ifndef _AUDIO_XTUTIL_H_ 30 #define _AUDIO_XTUTIL_H_ 31 32 /* 33 * This file must be included after: 34 * 35 * #include <X11/Intrinsic.h> 36 * #include <audio/audiolib.h> 37 */ 38 39 #include <setjmp.h> 40 41 /* 42 * AuXtErrorJump - Point to which an error handler can return to have 43 * the audio handling code exit cleanly to the Xt event loop. 44 */ 45 46 extern jmp_buf AuXtErrorJump; 47 48 _AUFUNCPROTOBEGIN 49 50 /* 51 * AuXtHandleAudioEvents - this routine extracts the AuServer from the 52 * Xt callback data and then calls AuHandleEvents. 53 */ 54 extern void AuXtHandleAudioEvents ( 55 XtPointer, /* caller_arg */ 56 int *, /* ptr_to_source */ 57 XtInputId * /* opaque_inputid */ 58 ); 59 60 61 /* 62 * AuXtAppAddAudioHandler - this routine adds AuXtHandleAudioEvents as an 63 * Xt input handler to deal with audio events. This allows the audio service 64 * to be used from Xt programs without disturbing their main loop. 65 */ 66 extern XtInputId AuXtAppAddAudioHandler ( 67 XtAppContext, /* app_context */ 68 AuServer * /* server */ 69 ); 70 71 extern void 72 AuXtAppRemoveAudioHandler( 73 AuServer *, /* server */ 74 XtInputId 75 ); 76 77 _AUFUNCPROTOEND 78 79 #endif /* _AUDIO_XTUTIL_H_ */ 80