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tdeaccessibility/kttsd/plugins/epos/eposconf.cpp

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/***************************************************** vim:set ts=4 sw=4 sts=4:
Configuration widget and functions for Epos plug in
-------------------
Copyright:
(C) 2004 by Gary Cramblitt <garycramblitt@comcast.net>
-------------------
Original author: Gary Cramblitt <garycramblitt@comcast.net>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
******************************************************************************/
// C++ includes.
#include <math.h>
// TQt includes.
#include <tqfile.h>
#include <tqapplication.h>
#include <tqtextcodec.h>
#include <tqlayout.h>
#include <tqslider.h>
// KDE includes.
#include <kdialog.h>
#include <tdetempfile.h>
#include <kstandarddirs.h>
#include <kcombobox.h>
#include <tdelocale.h>
#include <knuminput.h>
// KTTS includes.
#include <testplayer.h>
// Epos Plugin includes.
#include "eposproc.h"
#include "eposconf.h"
#include "eposconf.moc"
/** Constructor */
EposConf::EposConf( TQWidget* parent, const char* name, const TQStringList& /*args*/) :
PlugInConf(parent, name)
{
// kdDebug() << "EposConf::EposConf: Running" << endl;
m_eposProc = 0;
m_progressDlg = 0;
TQVBoxLayout *layout = new TQVBoxLayout(this, KDialog::marginHint(),
KDialog::spacingHint(), "EposConfigWidgetLayout");
layout->setAlignment (TQt::AlignTop);
m_widget = new EposConfWidget(this, "EposConfigWidget");
layout->addWidget(m_widget);
// Build codec list and fill combobox.
m_codecList = PlugInProc::buildCodecList();
m_widget->characterCodingBox->clear();
m_widget->characterCodingBox->insertStringList(m_codecList);
defaults();
connect(m_widget->eposServerPath, TQT_SIGNAL(textChanged(const TQString&)),
this, TQT_SLOT(configChanged()));
connect(m_widget->eposClientPath, TQT_SIGNAL(textChanged(const TQString&)),
this, TQT_SLOT(configChanged()));
connect(m_widget->timeBox, TQT_SIGNAL(valueChanged(int)),
this, TQT_SLOT(timeBox_valueChanged(int)));
connect(m_widget->frequencyBox, TQT_SIGNAL(valueChanged(int)),
this, TQT_SLOT(frequencyBox_valueChanged(int)));
connect(m_widget->timeSlider, TQT_SIGNAL(valueChanged(int)),
this, TQT_SLOT(timeSlider_valueChanged(int)));
connect(m_widget->frequencySlider, TQT_SIGNAL(valueChanged(int)),
this, TQT_SLOT(frequencySlider_valueChanged(int)));
connect(m_widget->timeBox, TQT_SIGNAL(valueChanged(int)), this, TQT_SLOT(configChanged()));
connect(m_widget->timeSlider, TQT_SIGNAL(valueChanged(int)), this, TQT_SLOT(configChanged()));
connect(m_widget->frequencyBox, TQT_SIGNAL(valueChanged(int)), this, TQT_SLOT(configChanged()));
connect(m_widget->frequencySlider, TQT_SIGNAL(valueChanged(int)), this, TQT_SLOT(configChanged()));
connect(m_widget->characterCodingBox, TQT_SIGNAL(activated(const TQString&)),
this, TQT_SLOT(configChanged()));
connect(m_widget->eposServerOptions, TQT_SIGNAL(textChanged(const TQString&)),
this, TQT_SLOT(configChanged()));
connect(m_widget->eposClientOptions, TQT_SIGNAL(textChanged(const TQString&)),
this, TQT_SLOT(configChanged()));
connect(m_widget->eposTest, TQT_SIGNAL(clicked()),
this, TQT_SLOT(slotEposTest_clicked()));
}
/** Destructor */
EposConf::~EposConf(){
// kdDebug() << "Running: EposConf::~EposConf()" << endl;
if (!m_waveFile.isNull()) TQFile::remove(m_waveFile);
delete m_eposProc;
delete m_progressDlg;
}
void EposConf::load(TDEConfig *config, const TQString &configGroup){
// kdDebug() << "EposConf::load: Running " << endl;
config->setGroup(configGroup);
m_widget->eposServerPath->setURL(config->readEntry("EposServerExePath", "eposd"));
m_widget->eposClientPath->setURL(config->readEntry("EposClientExePath", "say-epos"));
m_widget->eposServerOptions->setText(config->readEntry("EposServerOptions", ""));
m_widget->eposClientOptions->setText(config->readEntry("EposClientOptions", ""));
TQString codecString = config->readEntry("Codec", "ISO 8859-2");
int codec = PlugInProc::codecNameToListIndex(codecString, m_codecList);
m_widget->timeBox->setValue(config->readNumEntry("time", 100));
m_widget->frequencyBox->setValue(config->readNumEntry("pitch", 100));
m_widget->characterCodingBox->setCurrentItem(codec);
}
/**
* Converts a language code into the language setting passed to Epos synth.
*/
TQString EposConf::languageCodeToEposLanguage(const TQString &languageCode)
{
TQString eposLanguage;
if (languageCode.left(2) == "cs") eposLanguage = "czech";
if (languageCode.left(2) == "sk") eposLanguage = "slovak";
return eposLanguage;
}
void EposConf::save(TDEConfig *config, const TQString &configGroup){
// kdDebug() << "EposConf::save: Running" << endl;
config->setGroup("Epos");
config->writeEntry("EposServerExePath",
realFilePath(m_widget->eposServerPath->url()));
config->writeEntry("EposClientExePath",
realFilePath(m_widget->eposClientPath->url()));
config->writeEntry("Language", languageCodeToEposLanguage(m_languageCode));
config->setGroup(configGroup);
config->writeEntry("EposServerExePath",
realFilePath(m_widget->eposServerPath->url()));
config->writeEntry("EposClientExePath",
realFilePath(m_widget->eposClientPath->url()));
config->writeEntry("EposServerOptions", m_widget->eposServerOptions->text());
config->writeEntry("EposClientOptions", m_widget->eposClientOptions->text());
config->writeEntry("time", m_widget->timeBox->value());
config->writeEntry("pitch", m_widget->frequencyBox->value());
int codec = m_widget->characterCodingBox->currentItem();
config->writeEntry("Codec", PlugInProc::codecIndexToCodecName(codec, m_codecList));
}
void EposConf::defaults(){
// kdDebug() << "EposConf::defaults: Running" << endl;
// Epos server command changed from epos to eposd. Epos client command changed from
// say to say-epos. These changes appeared around Epos v2.5.35. Try for these automatically.
TQString exeName = "eposd";
if (realFilePath(exeName).isEmpty())
if (!realFilePath("epos").isEmpty())
exeName = "epos";
m_widget->eposServerPath->setURL(exeName);
exeName = "say-epos";
if (realFilePath(exeName).isEmpty())
if (!realFilePath("say").isEmpty())
exeName = "say";
m_widget->eposClientPath->setURL(exeName);
m_widget->eposServerOptions->setText("");
m_widget->eposClientOptions->setText("");
m_widget->timeBox->setValue(100);
timeBox_valueChanged(100);
m_widget->frequencyBox->setValue(100);
frequencyBox_valueChanged(100);
int codec = PlugInProc::codecNameToListIndex("ISO 8859-2", m_codecList);
m_widget->characterCodingBox->setCurrentItem(codec);
}
void EposConf::setDesiredLanguage(const TQString &lang)
{
m_languageCode = lang;
}
TQString EposConf::getTalkerCode()
{
TQString eposServerExe = realFilePath(m_widget->eposServerPath->url());
TQString eposClientExe = realFilePath(m_widget->eposClientPath->url());
if (!eposServerExe.isEmpty() && !eposClientExe.isEmpty())
{
if (!getLocation(eposServerExe).isEmpty() && !getLocation(eposClientExe).isEmpty())
{
TQString rate = "medium";
if (m_widget->timeBox->value() < 75) rate = "slow";
if (m_widget->timeBox->value() > 125) rate = "fast";
return TQString(
"<voice lang=\"%1\" name=\"%2\" gender=\"%3\" />"
"<prosody volume=\"%4\" rate=\"%5\" />"
"<kttsd synthesizer=\"%6\" />")
.arg(m_languageCode)
.arg("fixed")
.arg("neutral")
.arg("medium")
.arg(rate)
.arg("Epos TTS Synthesis System");
}
}
return TQString();
}
void EposConf::slotEposTest_clicked()
{
// kdDebug() << "EposConf::slotEposTest_clicked(): Running" << endl;
// If currently synthesizing, stop it.
if (m_eposProc)
m_eposProc->stopText();
else
{
m_eposProc = new EposProc();
connect (m_eposProc, TQT_SIGNAL(stopped()), this, TQT_SLOT(slotSynthStopped()));
}
// Create a temp file name for the wave file.
KTempFile tempFile (locateLocal("tmp", "eposplugin-"), ".wav");
TQString tmpWaveFile = tempFile.file()->name();
tempFile.close();
// Get test message in the language of the voice.
TQString testMsg = testMessage(m_languageCode);
// Tell user to wait.
m_progressDlg = new KProgressDialog(m_widget, "kttsmgr_epos_testdlg",
i18n("Testing"),
i18n("Testing."),
true);
m_progressDlg->progressBar()->hide();
m_progressDlg->setAllowCancel(true);
// TODO: Whenever server options change, the server must be restarted.
// TODO: Do codec names contain non-ASCII characters?
connect (m_eposProc, TQT_SIGNAL(synthFinished()), this, TQT_SLOT(slotSynthFinished()));
m_eposProc->synth(
testMsg,
tmpWaveFile,
realFilePath(m_widget->eposServerPath->url()),
realFilePath(m_widget->eposClientPath->url()),
m_widget->eposServerOptions->text(),
m_widget->eposClientOptions->text(),
PlugInProc::codecIndexToCodec(m_widget->characterCodingBox->currentItem(), m_codecList),
languageCodeToEposLanguage(m_languageCode),
m_widget->timeBox->value(),
m_widget->frequencyBox->value()
);
// Display progress dialog modally. Processing continues when plugin signals synthFinished,
// or if user clicks Cancel button.
m_progressDlg->exec();
disconnect (m_eposProc, TQT_SIGNAL(synthFinished()), this, TQT_SLOT(slotSynthFinished()));
if (m_progressDlg->wasCancelled()) m_eposProc->stopText();
delete m_progressDlg;
m_progressDlg = 0;
}
void EposConf::slotSynthFinished()
{
// If user canceled, progress dialog is gone, so exit.
if (!m_progressDlg)
{
m_eposProc->ackFinished();
return;
}
// Hide the Cancel button so user can't cancel in the middle of playback.
m_progressDlg->showCancelButton(false);
// Get new wavefile name.
m_waveFile = m_eposProc->getFilename();
// Tell synth we're done.
m_eposProc->ackFinished();
// Play the wave file (possibly adjusting its Speed).
// Player object deletes the wave file when done.
if (m_player) m_player->play(m_waveFile);
TQFile::remove(m_waveFile);
m_waveFile = TQString();
if (m_progressDlg) m_progressDlg->close();
}
void EposConf::slotSynthStopped()
{
// Clean up after canceling test.
TQString filename = m_eposProc->getFilename();
if (!filename.isNull()) TQFile::remove(filename);
}
// Basically the slider values are logarithmic (0,...,1000) whereas percent
// values are linear (50%,...,200%).
//
// slider = alpha * (log(percent)-log(50))
// with alpha = 1000/(log(200)-log(50))
int EposConf::percentToSlider(int percentValue) {
double alpha = 1000 / (log(200) - log(50));
return (int)floor (0.5 + alpha * (log(percentValue)-log(50)));
}
int EposConf::sliderToPercent(int sliderValue) {
double alpha = 1000 / (log(200) - log(50));
return (int)floor(0.5 + exp (sliderValue/alpha + log(50)));
}
void EposConf::timeBox_valueChanged(int percentValue) {
m_widget->timeSlider->setValue (percentToSlider (percentValue));
}
void EposConf::frequencyBox_valueChanged(int percentValue) {
m_widget->frequencySlider->setValue(percentToSlider(percentValue));
}
void EposConf::timeSlider_valueChanged(int sliderValue) {
m_widget->timeBox->setValue (sliderToPercent (sliderValue));
}
void EposConf::frequencySlider_valueChanged(int sliderValue) {
m_widget->frequencyBox->setValue(sliderToPercent(sliderValue));
}
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