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/***************************************************************************
NewSignalPlugin.cpp - plugin for creating a new signal
-------------------
begin : Wed Jul 18 2001
copyright : (C) 2001 by Thomas Eschenbacher
email : Thomas.Eschenbacher@gmx.de
***************************************************************************/
/***************************************************************************
* *
* 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. *
* *
***************************************************************************/
#include "config.h"
#include <errno.h>
#include <new>
#include <QPointer>
#include <QStringList>
#include <KLocalizedString>
#include "libkwave/String.h"
#include "libkwave/Utils.h"
#include "NewSignalDialog.h"
#include "NewSignalPlugin.h"
KWAVE_PLUGIN(newsignal, NewSignalPlugin)
//***************************************************************************
Kwave::NewSignalPlugin::NewSignalPlugin(QObject *parent,
const QVariantList &args)
:Kwave::Plugin(parent, args), m_samples(2646000), m_rate(44100),
m_bits(16), m_tracks(2), m_bytime(true)
{
}
//***************************************************************************
Kwave::NewSignalPlugin::~NewSignalPlugin()
{
}
//***************************************************************************
int Kwave::NewSignalPlugin::interpreteParameters(QStringList ¶ms)
{
bool ok;
QString param;
// evaluate the parameter list
if (params.count() != 5) return -EINVAL;
param = params[0];
m_samples = param.toUInt(&ok);
Q_ASSERT(ok);
if (!ok) return -EINVAL;
param = params[1];
m_rate = Kwave::toUint(param.toDouble(&ok));
Q_ASSERT(ok);
if (!ok) return -EINVAL;
param = params[2];
m_bits = param.toUInt(&ok);
Q_ASSERT(ok);
if (!ok) return -EINVAL;
param = params[3];
m_tracks = param.toUInt(&ok);
Q_ASSERT(ok);
if (!ok) return -EINVAL;
param = params[4];
m_bytime = (param.toUInt(&ok) != 0);
Q_ASSERT(ok);
if (!ok) return -EINVAL;
return 0;
}
//***************************************************************************
QStringList *Kwave::NewSignalPlugin::setup(QStringList &previous_params)
{
// try to interprete the previous parameters
interpreteParameters(previous_params);
// create the setup dialog
QPointer<Kwave::NewSignalDialog> dialog = new(std::nothrow)
Kwave::NewSignalDialog(
parentWidget(), m_samples, m_rate, m_bits, m_tracks, m_bytime);
Q_ASSERT(dialog);
if (!dialog) return nullptr;
QStringList *list = new(std::nothrow) QStringList();
Q_ASSERT(list);
if (list && dialog->exec() && dialog) {
// user has pressed "OK"
*list << QString::number(dialog->samples());
*list << QString::number(dialog->rate());
*list << QString::number(dialog->bitsPerSample());
*list << QString::number(dialog->tracks());
*list << _(dialog->byTime() ? "1" : "0");
emitCommand(_("newsignal(") +
QString::number(dialog->samples()) + _(",") +
QString::number(dialog->rate()) + _(",") +
QString::number(dialog->bitsPerSample()) + _(",") +
QString::number(dialog->tracks()) + _(")")
);
} else {
// user pressed "Cancel"
delete list;
list = nullptr;
}
delete dialog;
return list;
}
//***************************************************************************
#include "NewSignalPlugin.moc"
//***************************************************************************
//***************************************************************************
#include "moc_NewSignalPlugin.cpp"
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