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QtSpeech_win.cpp
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QtSpeech_win.cpp
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/* QtSpeech -- a small cross-platform library to use TTS
Copyright (C) 2010-2011 LynxLine.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General
Public License along with this library; if not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301 USA */
#include <QtCore>
#include <QtSpeech>
#undef UNICODE
#include <sapi.h>
#include <sphelper.h>
#include <comdef.h>
#define UNICODE
#include <windows.h>
#include <windowsx.h>
#include <commctrl.h>
namespace QtSpeech_v1 { // API v1.0
// some defines for throwing exceptions
#define Where QString("%1:%2:").arg(__FILE__).arg(__LINE__)
#define SysCall(x,e) {\
HRESULT hr = x;\
if (FAILED(hr)) {\
QString msg = #e;\
msg += ":"+QString(__FILE__);\
msg += ":"+QString::number(__LINE__)+":"+#x+":";\
msg += _com_error(hr).ErrorMessage();\
throw e(msg);\
}\
}
// internal data
class QtSpeech::Private {
public:
Private()
:onFinishSlot(0L),waitingFinish(false) {}
VoiceName name;
static const QString VoiceId;
typedef QPointer<QtSpeech> Ptr;
static QList<Ptr> ptrs;
CComPtr<ISpVoice> voice;
const char * onFinishSlot;
QPointer<QObject> onFinishObj;
bool waitingFinish;
class WCHAR_Holder {
public:
WCHAR * w;
WCHAR_Holder(QString s)
:w(0) {
w = new WCHAR[s.length()+1];
s.toWCharArray(w);
w[s.length()] =0;
}
~WCHAR_Holder() { delete[] w; }
};
};
const QString QtSpeech::Private::VoiceId = QString("win:%1");
QList<QtSpeech::Private::Ptr> QtSpeech::Private::ptrs = QList<QtSpeech::Private::Ptr>();
// implementation
QtSpeech::QtSpeech(QObject * parent)
:QObject(parent), d(new Private)
{
CoInitialize(NULL);
SysCall( d->voice.CoCreateInstance( CLSID_SpVoice ), InitError);
VoiceName n;
WCHAR * w_id = 0L;
WCHAR * w_name = 0L;
CComPtr<ISpObjectToken> voice;
SysCall( d->voice->GetVoice(&voice), InitError);
SysCall( SpGetDescription(voice, &w_name), InitError);
SysCall( voice->GetId(&w_id), InitError);
n.name = QString::fromWCharArray(w_name);
n.id = QString::fromWCharArray(w_id);
voice.Release();
if (n.id.isEmpty())
throw InitError(Where+"No default voice in system");
d->name = n;
d->ptrs << this;
}
QtSpeech::QtSpeech(VoiceName n, QObject * parent)
:QObject(parent), d(new Private)
{
ULONG count = 0;
CComPtr<IEnumSpObjectTokens> voices;
CoInitialize(NULL);
SysCall( d->voice.CoCreateInstance( CLSID_SpVoice ), InitError);
if (n.id.isEmpty()) {
WCHAR * w_id = 0L;
WCHAR * w_name = 0L;
CComPtr<ISpObjectToken> voice;
SysCall( d->voice->GetVoice(&voice), InitError);
SysCall( SpGetDescription(voice, &w_name), InitError);
SysCall( voice->GetId(&w_id), InitError);
n.name = QString::fromWCharArray(w_name);
n.id = QString::fromWCharArray(w_id);
voice.Release();
}
else {
SysCall( SpEnumTokens(SPCAT_VOICES, NULL, NULL, &voices), InitError);
SysCall( voices->GetCount(&count), InitError);
for (int i =0; i< count; i++) {
WCHAR * w_id = 0L;
CComPtr<ISpObjectToken> voice;
SysCall( voices->Next( 1, &voice, NULL ), InitError);
SysCall( voice->GetId(&w_id), InitError);
QString id = QString::fromWCharArray(w_id);
if (id == n.id) d->voice->SetVoice(voice);
voice.Release();
}
}
if (n.id.isEmpty())
throw InitError(Where+"No default voice in system");
d->name = n;
d->ptrs << this;
}
QtSpeech::~QtSpeech()
{
d->ptrs.removeAll(this);
delete d;
}
const QtSpeech::VoiceName & QtSpeech::name() const {
return d->name;
}
QtSpeech::VoiceNames QtSpeech::voices()
{
VoiceNames vs;
ULONG count = 0;
CComPtr<IEnumSpObjectTokens> voices;
CoInitialize(NULL);
SysCall( SpEnumTokens(SPCAT_VOICES, NULL, NULL, &voices), LogicError);
SysCall( voices->GetCount(&count), LogicError);
for(int i=0; i< count; i++) {
WCHAR * w_id = 0L;
WCHAR * w_name = 0L;
CComPtr<ISpObjectToken> voice;
SysCall( voices->Next( 1, &voice, NULL ), LogicError);
SysCall( SpGetDescription(voice, &w_name), LogicError);
SysCall( voice->GetId(&w_id), LogicError);
QString id = QString::fromWCharArray(w_id);
QString name = QString::fromWCharArray(w_name);
VoiceName n = { id, name };
vs << n;
voice.Release();
}
return vs;
}
void QtSpeech::tell(QString text) const {
tell(text, 0L,0L);
}
void QtSpeech::tell(QString text, QObject * obj, const char * slot) const
{
if (d->waitingFinish)
throw LogicError(Where+"Already waiting to finish speech");
d->onFinishObj = obj;
d->onFinishSlot = slot;
if (obj && slot)
connect(const_cast<QtSpeech *>(this), SIGNAL(finished()), obj, slot);
d->waitingFinish = true;
const_cast<QtSpeech *>(this)->startTimer(100);
Private::WCHAR_Holder w_text(text);
SysCall( d->voice->Speak( w_text.w, SPF_ASYNC | SPF_IS_NOT_XML, 0), LogicError);
}
void QtSpeech::say(QString text) const
{
Private::WCHAR_Holder w_text(text);
SysCall( d->voice->Speak( w_text.w, SPF_IS_NOT_XML, 0), LogicError);
}
void QtSpeech::timerEvent(QTimerEvent * te)
{
QObject::timerEvent(te);
if (d->waitingFinish) {
SPVOICESTATUS es;
d->voice->GetStatus( &es, NULL );
if (es.dwRunningState == SPRS_DONE) {
d->waitingFinish = false;
killTimer(te->timerId());
finished();
}
}
}
} // namespace QtSpeech_v1