1 line
54 KiB
C
1 line
54 KiB
C
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/* Copyright (c) 2017, Computer History Museum
All rights reserved.
Redistribution and use in source and binary forms, with or without modification, are permitted (subject to
the limitations in the disclaimer below) provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following
disclaimer in the documentation and/or other materials provided with the distribution.
* Neither the name of Computer History Museum nor the names of its contributors may be used to endorse or promote products
derived from this software without specific prior written permission.
NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE GRANTED BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE
COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
DAMAGE. */
#ifdef SPEECH_ENABLED
#include "speechutil.h"
#define FILE_NUM 116
#define G4_PROBLEM 1
#pragma segment speech
pascal void TextDoneCallback (SpeechChannel chan, SpeakQueueHandle SpeakQueueHandle, const void **nextBuf, unsigned long *byteLen, long *controlFlags);
pascal void SpeechDoneCallback (SpeechChannel chan, SpeakQueueHandle SpeakQueueHandle);
pascal Boolean TalkingAlertFilter (DialogPtr dgPtr, EventRecord *event, short *item);
SpeakQueueHandle gSpeakQueue = nil; // Queue of buffers submitted to be spoken
StringPtr gTalkError = nil; // The error string we will speak
StringPtr gTalkExplain = nil; // The explanation string we will speak
StringPtr gTalkPhrase = nil; // The alert phrase we will speak
long gTalkingAlertTicks; // Ticks at which to speak alerts
short gNextPhrase = 1; // Index to the next alert phrase to be spoken
Boolean gTalkingAlertPresent = false;
extern UHandle GetMessText(MessHandle messH);
//
// SpeechAvailable
//
// Checks to see if the Speech Manager is avilable
Boolean SpeechAvailable (void)
{
#ifdef SPEECH_ENABLED
long result;
Boolean present;
if (!HasFeature (featureSpeak))
return (false);
if (present = (Gestalt (gestaltSpeechAttr, &result) == noErr))
present = (result & (1 << gestaltSpeechMgrPresent)) ? true : false;
#if TARGET_RT_MAC_CFM
if (present)
present = ((long) MakeVoiceSpec != kUnresolvedCFragSymbolAddress);
#endif
return (present);
#else
return (false);
#endif
}
//
// Speak
//
// This is a low level routine for speaking a buffer of text over an open speech channel.
// It converts the text into speech and plays the speech asynchronously.
//
// This routine accepts:
// ; a speech channel that describes how the text is to be spoken
// ; a pointer to text that is to be spoken
// ; the length of the text to be spoken
// And returns:
// ; noErr if the text is spoken successfully (or the Speech Manager is not present)
// ; Speech Manager errors
//
OSErr Speak (VoiceSpec *voice, Ptr textBuf, long textBytes)
{
SpeakQueueHandle element;
VoiceDescription info;
OSErr theError;
short oldResFile;
if (!SpeechAvailable ())
return (noErr);
theError = noErr;
// Create a queue element
if (element = NuHTempBetter (sizeof (SpeakQueueRec))) {
LDRef (element);
(*element)->validChannel = false;
(*element)->textDo
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