Kwave::NewSignalPlugin Class Reference

#include <NewSignalPlugin.h>

Inheritance diagram for Kwave::NewSignalPlugin:

Collaboration diagram for Kwave::NewSignalPlugin:

Public Member Functions
	NewSignalPlugin (QObject *parent, const QVariantList &args)
virtual	~NewSignalPlugin () Q_DECL_OVERRIDE
virtual QStringList *	setup (QStringList &previous_params) Q_DECL_OVERRIDE
Public Member Functions inherited from Kwave::Plugin
	Plugin (QObject *parent, const QVariantList &args)
virtual	~Plugin () Q_DECL_OVERRIDE
virtual QString	name () const
virtual QString	description () const
virtual QString	progressText ()
virtual bool	canClose () const
bool	isRunning () const
bool	shouldStop () const
virtual void	load (QStringList &params)
virtual void	unload ()
virtual int	start (QStringList &params)
virtual int	stop ()
virtual void	run (QStringList params)
Kwave::PluginManager &	manager () const
Kwave::SignalManager &	signalManager ()
QWidget *	parentWidget () const
QString	signalName ()
virtual sample_index_t	signalLength ()
virtual double	signalRate ()
virtual const QList< unsigned int >	selectedTracks ()
virtual sample_index_t	selection (QList< unsigned int > *tracks=Q_NULLPTR, sample_index_t *left=Q_NULLPTR, sample_index_t *right=Q_NULLPTR, bool expand_if_empty=false)
virtual void	selectRange (sample_index_t offset, sample_index_t length)
virtual void	migrateToActiveContext ()
Public Member Functions inherited from Kwave::Runnable
virtual	~Runnable ()

Protected Member Functions
int	interpreteParameters (QStringList &params)
Protected Member Functions inherited from Kwave::Plugin
int	execute (QStringList &params)
void	emitCommand (const QString &command)
void	use ()
void	setPluginManager (Kwave::PluginManager *new_plugin_manager)
virtual void	run_wrapper (const QVariant &params) Q_DECL_OVERRIDE

Private Attributes
unsigned int	m_samples
unsigned int	m_rate
unsigned int	m_bits
unsigned int	m_tracks
bool	m_bytime

Additional Inherited Members
Public Slots inherited from Kwave::Plugin
virtual void	setProgressDialogEnabled (bool enable)
virtual void	updateProgress (qreal progress)
virtual void	cancel ()
virtual void	close ()
void	release ()
Signals inherited from Kwave::Plugin
void	sigRunning (Kwave::Plugin *plugin)
void	sigDone (Kwave::Plugin *plugin)
void	sigClosed (Kwave::Plugin *p)
void	sigCommand (const QString &command)
void	setProgressText (const QString &text)

Detailed Description

Definition at line 29 of file NewSignalPlugin.h.

Constructor & Destructor Documentation

NewSignalPlugin()

Kwave::NewSignalPlugin::NewSignalPlugin	(	QObject *	parent,
		const QVariantList &	args
	)

Constructor

Parameters

parent	reference to our plugin manager
args	argument list [unused]

Definition at line 34 of file NewSignalPlugin.cpp.

    :Kwave::Plugin(parent, args), m_samples(2646000), m_rate(44100),
    m_bits(16), m_tracks(2), m_bytime(true)
{
}

~NewSignalPlugin()

Kwave::NewSignalPlugin::~NewSignalPlugin ( )

virtual

virtual Destructor

Definition at line 42 of file NewSignalPlugin.cpp.

{
}

Member Function Documentation

interpreteParameters()

int Kwave::NewSignalPlugin::interpreteParameters ( QStringList &  params )

protected

Reads values from the parameter list

Definition at line 47 of file NewSignalPlugin.cpp.

References m_bits, m_bytime, m_rate, m_samples, m_tracks, and Kwave::toUint().

Referenced by setup().

{
    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;
}

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setup()

QStringList * Kwave::NewSignalPlugin::setup ( QStringList &  previous_params )

virtual

Shows a dialog for creating a new signal and emits sigCommand if OK has been pressed.

See also

Kwave::Plugin::setup

Reimplemented from Kwave::Plugin.

Definition at line 84 of file NewSignalPlugin.cpp.

References _, Kwave::NewSignalDialog::bitsPerSample(), Kwave::NewSignalDialog::byTime(), Kwave::Plugin::emitCommand(), interpreteParameters(), m_bits, m_bytime, m_rate, m_samples, m_tracks, Kwave::Plugin::parentWidget(), Kwave::NewSignalDialog::rate(), Kwave::NewSignalDialog::samples(), and Kwave::NewSignalDialog::tracks().

{
    // try to interprete the previous parameters
    interpreteParameters(previous_params);

    // create the setup dialog
    Kwave::NewSignalDialog *dialog = new Kwave::NewSignalDialog(
        parentWidget(), m_samples, m_rate, m_bits, m_tracks, m_bytime);
    Q_ASSERT(dialog);
    if (!dialog) return Q_NULLPTR;

    QStringList *list = new QStringList();
    Q_ASSERT(list);
    if (list && dialog->exec()) {
        // 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"
        if (list) delete list;
        list = Q_NULLPTR;
    }

    if (dialog) delete dialog;
    return list;
}

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Member Data Documentation

m_bits

unsigned int Kwave::NewSignalPlugin::m_bits

private

bits per sample

Definition at line 65 of file NewSignalPlugin.h.

Referenced by interpreteParameters(), and setup().

m_bytime

bool Kwave::NewSignalPlugin::m_bytime

private

select by time or by samples

Definition at line 71 of file NewSignalPlugin.h.

Referenced by interpreteParameters(), and setup().

m_rate

unsigned int Kwave::NewSignalPlugin::m_rate

private

samples rate

Definition at line 62 of file NewSignalPlugin.h.

Referenced by interpreteParameters(), and setup().

m_samples

unsigned int Kwave::NewSignalPlugin::m_samples

private

number of samples

Definition at line 59 of file NewSignalPlugin.h.

Referenced by interpreteParameters(), and setup().

m_tracks

unsigned int Kwave::NewSignalPlugin::m_tracks

private

number of tracks

Definition at line 68 of file NewSignalPlugin.h.

Referenced by interpreteParameters(), and setup().

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The documentation for this class was generated from the following files:

• plugins/newsignal/NewSignalPlugin.h
• plugins/newsignal/NewSignalPlugin.cpp