goldendict-ng/texttospeechsource.cc

443 lines
14 KiB
C++

/* This file is (c) 2013 Timon Wong <timon86.wang@gmail.com>
* Part of GoldenDict. Licensed under GPLv3 or later, see the LICENSE file */
#include "texttospeechsource.hh"
#include <QVariant>
#include <QMessageBox>
#include <memory>
TextToSpeechSource::TextToSpeechSource( QWidget * parent,
Config::VoiceEngines voiceEngines ):
QWidget( parent ),
voiceEnginesModel( this, voiceEngines )
{
ui.setupUi( this );
SpeechClient::Engines engines = SpeechClient::availableEngines();
ui.selectedVoiceEngines->setTabKeyNavigation( true );
ui.selectedVoiceEngines->setModel( &voiceEnginesModel );
ui.selectedVoiceEngines->hideColumn( VoiceEnginesModel::kColumnEngineName );
fitSelectedVoiceEnginesColumns();
ui.selectedVoiceEngines->setItemDelegateForColumn( VoiceEnginesModel::kColumnEngineDName,
new VoiceEngineItemDelegate( engines, this ) );
foreach( Config::VoiceEngine ve, voiceEngines ) { occupiedEngines.insert( ve.name ); }
foreach ( SpeechClient::Engine engine, engines )
{
QMap<QString,QVariant> map;
map[ "engine_name" ] = engine.engine_name;
map[ "locale" ] = engine.locale;
map["voice_name"] = engine.voice_name;
ui.availableVoiceEngines->addItem( engine.name, QVariant(map) );
}
//disable the already added engines.
// This is the effective 'disable' flag
QVariant v( 0 );
for ( int index = 0; index < ui.availableVoiceEngines->count(); index++ ) {
auto name = ui.availableVoiceEngines->itemText( index );
if ( occupiedEngines.contains( name ) ) {
auto modelIndex = ui.availableVoiceEngines->model()->index( index, 0 );
ui.availableVoiceEngines->model()->setData( modelIndex, v, Qt::UserRole - 1 );
}
}
if( voiceEngines.count() > 0 )
{
QModelIndex const &idx = ui.selectedVoiceEngines->model()->index( 0, 0 );
if( idx.isValid() )
ui.selectedVoiceEngines->setCurrentIndex( idx );
}
adjustSliders();
connect( ui.volumeSlider, SIGNAL( valueChanged( int ) ),
this, SLOT( slidersChanged() ) );
connect( ui.rateSlider, SIGNAL( valueChanged( int ) ),
this, SLOT( slidersChanged() ) );
connect( ui.selectedVoiceEngines->selectionModel(), SIGNAL( selectionChanged( QItemSelection, QItemSelection ) ),
this, SLOT( selectionChanged() ) );
ui.availableVoiceEngines->view()->setVerticalScrollBarPolicy( Qt::ScrollBarAsNeeded );
}
void TextToSpeechSource::slidersChanged()
{
if( ui.selectedVoiceEngines->selectionModel()->hasSelection() )
voiceEnginesModel.setEngineParams( ui.selectedVoiceEngines->currentIndex(),
ui.volumeSlider->value(),
ui.rateSlider->value()) ;
}
void TextToSpeechSource::on_addVoiceEngine_clicked()
{
if ( ui.availableVoiceEngines->count() == 0 )
{
QMessageBox::information( this, tr( "No TTS voice available" ),
tr( "Cannot find available TTS voice.<br>"
"Please make sure that at least one TTS engine installed on your computer already." ) );
return;
}
int idx = ui.availableVoiceEngines->currentIndex();
if( idx >= 0 )
{
QString name = ui.availableVoiceEngines->itemText( idx );
auto map = ui.availableVoiceEngines->itemData( idx ).toMap();
QString engine_name = map["engine_name"].toString();
QString locale = map["locale"].toString();
QString voice_name = map["voice_name"].toString();
voiceEnginesModel.addNewVoiceEngine( engine_name, QLocale(locale), name, voice_name, ui.volumeSlider->value(), ui.rateSlider->value() );
fitSelectedVoiceEnginesColumns();
occupiedEngines.insert( name );
auto modelIndex = ui.availableVoiceEngines->model()->index( idx, 0 );
// This is the effective 'disable' flag
QVariant v( 0 );
ui.availableVoiceEngines->model()->setData( modelIndex, v, Qt::UserRole - 1 );
}
}
void TextToSpeechSource::on_removeVoiceEngine_clicked()
{
QModelIndex current = ui.selectedVoiceEngines->currentIndex();
auto selected_name = voiceEnginesModel.getCurrentVoiceEngines()[ current.row() ].name;
if ( current.isValid() &&
QMessageBox::question( this, tr( "Confirm removal" ),
tr( "Remove voice engine <b>%1</b> from the list?" ).arg(
selected_name ),
QMessageBox::Ok,
QMessageBox::Cancel ) == QMessageBox::Ok )
{
voiceEnginesModel.removeVoiceEngine( current.row() );
occupiedEngines.remove( selected_name );
// This is the effective 'enable' flag
QVariant v( 1 | 32 );
//enable this engine.
for ( int index = 0; index < ui.availableVoiceEngines->count(); index++ ) {
auto name = ui.availableVoiceEngines->itemText( index );
if ( name == selected_name ) {
auto modelIndex = ui.availableVoiceEngines->model()->index( index, 0 );
ui.availableVoiceEngines->model()->setData( modelIndex, v, Qt::UserRole - 1 );
break;
}
}
}
}
void TextToSpeechSource::on_previewVoice_clicked()
{
int idx = ui.availableVoiceEngines->currentIndex();
if ( idx < 0 )
return;
auto map = ui.availableVoiceEngines->itemData( idx ).toMap();
QString engineId = map["engine_name"].toString();
QString locale = map["locale"].toString();
QString name = ui.availableVoiceEngines->itemText( idx );
QString text = ui.previewText->text();
int volume = ui.volumeSlider->value();
int rate = ui.rateSlider->value();
speechClient = std::make_unique< SpeechClient >(
Config::VoiceEngine( engineId, name, map[ "voice_name" ].toString(), QLocale( locale ), volume, rate ),
this );
speechClient->tell( text );
}
void TextToSpeechSource::previewVoiceFinished()
{
ui.previewVoice->setDisabled( false );
}
void TextToSpeechSource::fitSelectedVoiceEnginesColumns()
{
ui.selectedVoiceEngines->resizeColumnToContents( VoiceEnginesModel::kColumnEnabled );
ui.selectedVoiceEngines->resizeColumnToContents( VoiceEnginesModel::kColumnEngineDName );
ui.selectedVoiceEngines->resizeColumnToContents( VoiceEnginesModel::kColumnIcon );
}
void TextToSpeechSource::adjustSliders()
{
QModelIndex const & index = ui.selectedVoiceEngines->currentIndex();
if ( index.isValid() )
{
Config::VoiceEngines const &engines = voiceEnginesModel.getCurrentVoiceEngines();
ui.volumeSlider->setValue( engines[ index.row() ].volume );
ui.rateSlider->setValue( engines[ index.row() ].rate );
return;
}
ui.volumeSlider->setValue( 50 );
ui.rateSlider->setValue( 0 );
}
void TextToSpeechSource::selectionChanged()
{
disconnect( ui.volumeSlider, SIGNAL( valueChanged( int ) ),
this, SLOT( slidersChanged() ) );
disconnect( ui.rateSlider, SIGNAL( valueChanged( int ) ),
this, SLOT( slidersChanged() ) );
adjustSliders();
connect( ui.volumeSlider, SIGNAL( valueChanged( int ) ),
this, SLOT( slidersChanged() ) );
connect( ui.rateSlider, SIGNAL( valueChanged( int ) ),
this, SLOT( slidersChanged() ) );
}
VoiceEnginesModel::VoiceEnginesModel( QWidget * parent,
Config::VoiceEngines const & voiceEngines ):
QAbstractItemModel( parent ), voiceEngines( voiceEngines )
{
}
void VoiceEnginesModel::removeVoiceEngine( int index )
{
beginRemoveRows( QModelIndex(), index, index );
voiceEngines.erase( voiceEngines.begin() + index );
endRemoveRows();
}
void VoiceEnginesModel::addNewVoiceEngine(
QString const & engine_name, QLocale locale, QString const & name, QString const & voice_name, int volume, int rate )
{
if( engine_name.isEmpty() || name.isEmpty() )
return;
Config::VoiceEngine v;
v.enabled = true;
v.engine_name = engine_name;
v.locale = locale;
v.name = name;
v.volume = volume;
v.rate = rate;
v.voice_name = voice_name;
beginInsertRows( QModelIndex(), voiceEngines.size(), voiceEngines.size() );
voiceEngines.push_back( v );
endInsertRows();
}
QModelIndex VoiceEnginesModel::index( int row, int column, QModelIndex const & /*parent*/ ) const
{
return createIndex( row, column );
}
QModelIndex VoiceEnginesModel::parent( QModelIndex const & /*parent*/ ) const
{
return QModelIndex();
}
Qt::ItemFlags VoiceEnginesModel::flags( QModelIndex const & index ) const
{
Qt::ItemFlags result = QAbstractItemModel::flags( index );
if ( index.isValid() )
{
switch ( index.column() )
{
case kColumnEnabled:
result |= Qt::ItemIsUserCheckable;
break;
case kColumnEngineDName:
case kColumnIcon:
result |= Qt::ItemIsEditable;
break;
}
}
return result;
}
int VoiceEnginesModel::rowCount( QModelIndex const & parent ) const
{
if ( parent.isValid() )
return 0;
return voiceEngines.size();
}
int VoiceEnginesModel::columnCount( QModelIndex const & parent ) const
{
if ( parent.isValid() )
return 0;
return kColumnCount;
}
QVariant VoiceEnginesModel::headerData( int section, Qt::Orientation /*orientation*/, int role ) const
{
if ( role == Qt::DisplayRole )
{
switch ( section )
{
case kColumnEnabled:
return tr( "Enabled" );
case kColumnEngineDName:
return tr( "Name" );
case kColumnEngineName:
return tr( "Id" );
case kColumnIcon:
return tr( "Icon" );
}
}
return QVariant();
}
QVariant VoiceEnginesModel::data( QModelIndex const & index, int role ) const
{
if ( index.row() >= voiceEngines.size() )
return QVariant();
if ( role == Qt::DisplayRole || role == Qt::EditRole )
{
switch ( index.column() ) {
case kColumnEngineName:
return voiceEngines[ index.row() ].engine_name;
case kColumnEngineDName:
return voiceEngines[ index.row() ].name;
case kColumnIcon:
return voiceEngines[ index.row() ].iconFilename;
default:
return QVariant();
}
}
if ( role == Qt::CheckStateRole && index.column() == kColumnEnabled )
return voiceEngines[ index.row() ].enabled ? Qt::Checked : Qt::Unchecked;
return QVariant();
}
bool VoiceEnginesModel::setData( QModelIndex const & index, const QVariant & value,
int role )
{
if ( index.row() >= voiceEngines.size() )
return false;
if ( role == Qt::CheckStateRole && index.column() == kColumnEnabled )
{
voiceEngines[ index.row() ].enabled = !voiceEngines[ index.row() ].enabled;
dataChanged( index, index );
return true;
}
if ( role == Qt::DisplayRole || role == Qt::EditRole )
{
switch ( index.column() ) {
case kColumnEngineName:
voiceEngines[ index.row() ].engine_name = value.toString();
dataChanged( index, index );
return true;
case kColumnEngineDName:
voiceEngines[ index.row() ].name = value.toString();
dataChanged( index, index );
return true;
case kColumnIcon:
voiceEngines[ index.row() ].iconFilename = value.toString();
dataChanged( index, index );
return true;
default:
return false;
}
}
return false;
}
void VoiceEnginesModel::setEngineParams( QModelIndex idx, int volume, int rate )
{
if ( idx.isValid() )
{
voiceEngines[ idx.row() ].volume = volume;
voiceEngines[ idx.row() ].rate = rate;
}
}
VoiceEngineEditor::VoiceEngineEditor( SpeechClient::Engines const & engines, QWidget * parent ):
QComboBox( parent )
{
foreach ( SpeechClient::Engine engine, engines )
{
addItem( engine.name, engine.engine_name );
}
}
QString VoiceEngineEditor::engineName() const
{
int idx = currentIndex();
if ( idx < 0 )
return "";
return itemText( idx );
}
QString VoiceEngineEditor::engineId() const
{
int idx = currentIndex();
if ( idx < 0 )
return "";
return itemData( idx ).toString();
}
void VoiceEngineEditor::setEngineId( QString const & engineId )
{
// Find index for the id
int idx = -1;
for ( int i = 0; i < count(); ++i )
{
if ( engineId == itemData( i ).toString() )
{
idx = i;
break;
}
}
setCurrentIndex( idx );
}
VoiceEngineItemDelegate::VoiceEngineItemDelegate( SpeechClient::Engines const & engines, QObject * parent ) :
QStyledItemDelegate( parent ),
engines( engines )
{
}
QWidget * VoiceEngineItemDelegate::createEditor( QWidget * parent,
QStyleOptionViewItem const & option,
QModelIndex const & index ) const
{
if( index.column() != VoiceEnginesModel::kColumnEngineDName )
return QStyledItemDelegate::createEditor( parent, option, index );
return new VoiceEngineEditor( engines, parent );
}
void VoiceEngineItemDelegate::setEditorData( QWidget * uncastedEditor, const QModelIndex & index ) const
{
VoiceEngineEditor * editor = qobject_cast< VoiceEngineEditor * >( uncastedEditor );
if ( !editor )
return;
int currentRow = index.row();
QModelIndex engineIdIndex = index.sibling( currentRow, VoiceEnginesModel::kColumnEngineName );
QString engineId = index.model()->data( engineIdIndex ).toString();
editor->setEngineId( engineId );
}
void VoiceEngineItemDelegate::setModelData( QWidget * uncastedEditor, QAbstractItemModel * model,
const QModelIndex & index ) const
{
VoiceEngineEditor * editor = qobject_cast< VoiceEngineEditor * >( uncastedEditor );
if( !editor )
return;
int currentRow = index.row();
QModelIndex engineIdIndex = index.sibling( currentRow, VoiceEnginesModel::kColumnEngineName );
QModelIndex engineNameIndex = index.sibling( currentRow, VoiceEnginesModel::kColumnEngineDName );
model->setData( engineIdIndex, editor->engineId() );
model->setData( engineNameIndex, editor->engineName() );
}