eventfilterdialog.cpp

LINUX下的混音软件

        cfg->readUnsignedNumEntry("durationto", (m_noteDurationToComboBox->count() - 1)));
}

void
EventFilterDialog::slotToggleAll()
{
    RG_DEBUG << "EventFilterDialog::slotToggleAll()" << endl;
    m_pitchFromSpinBox ->setValue(0);
    m_pitchToSpinBox ->setValue(127);
    m_velocityFromSpinBox ->setValue(0);
    m_velocityToSpinBox ->setValue(127);
    m_noteDurationFromComboBox ->setCurrentItem(11); // hard coded; should be variable
    m_noteDurationToComboBox ->setCurrentItem(0);  // 0 = unlimited; 11 = 0
}

void
EventFilterDialog::slotToggleNone()
{
    RG_DEBUG << "EventFilterDialog::slotToggleNone()" << endl;
    m_pitchFromSpinBox ->setValue(0);
    m_pitchToSpinBox ->setValue(0);
    m_velocityFromSpinBox ->setValue(0);
    m_velocityToSpinBox ->setValue(0);
    m_noteDurationFromComboBox ->setCurrentItem(11);
    m_noteDurationToComboBox ->setCurrentItem(11);
}

void
EventFilterDialog::slotOk()
{
    cfg->setGroup(EventFilterDialogConfigGroup);

    cfg->writeEntry("pitchinclude", m_notePitchIncludeComboBox->currentItem());
    cfg->writeEntry("pitchfrom", m_pitchFromSpinBox->value());
    cfg->writeEntry("pitchto", m_pitchToSpinBox->value());

    cfg->writeEntry("velocityinclude", m_noteVelocityIncludeComboBox->currentItem());
    cfg->writeEntry("velocityfrom", m_velocityFromSpinBox->value());
    cfg->writeEntry("velocityto", m_velocityToSpinBox->value());

    cfg->writeEntry("durationinclude", m_noteDurationIncludeComboBox->currentItem());
    cfg->writeEntry("durationfrom", m_noteDurationFromComboBox->currentItem());
    cfg->writeEntry("durationto", m_noteDurationToComboBox->currentItem());

    accept();
}

void
EventFilterDialog::slotPitchFromChanged(int pitch)
{
    if (pitch > m_pitchToSpinBox->value())
        m_pitchToSpinBox->setValue(pitch);
}

void
EventFilterDialog::slotPitchToChanged(int pitch)
{
    if (pitch < m_pitchFromSpinBox->value())
        m_pitchFromSpinBox->setValue(pitch);
}

void
EventFilterDialog::slotVelocityFromChanged(int velocity)
{
    if (velocity > m_velocityToSpinBox->value())
        m_velocityToSpinBox->setValue(velocity);
}

void
EventFilterDialog::slotVelocityToChanged(int velocity)
{
    if (velocity < m_velocityFromSpinBox->value())
        m_velocityFromSpinBox->setValue(velocity);
}

void
EventFilterDialog::slotDurationFromChanged(int index)
{
    if (index < m_noteDurationToComboBox->currentItem())
        m_noteDurationToComboBox->setCurrentItem(index);
}

void
EventFilterDialog::slotDurationToChanged(int index)
{
    if (index > m_noteDurationFromComboBox->currentItem())
        m_noteDurationFromComboBox->setCurrentItem(index);
}


void
EventFilterDialog::slotPitchFromChooser()
{
    PitchPickerDialog dialog(this, m_pitchFromSpinBox->value(), i18n("Lowest pitch"));

    if (dialog.exec() == QDialog::Accepted) {
        m_pitchFromSpinBox->setValue(dialog.getPitch());
    }
}

void
EventFilterDialog::slotPitchToChooser()
{
    PitchPickerDialog dialog(this, m_pitchToSpinBox->value(), i18n("Highest pitch"));

    if (dialog.exec() == QDialog::Accepted) {
        m_pitchToSpinBox->setValue(dialog.getPitch());
    }
}

long
EventFilterDialog::getDurationFromIndex(int index)
{
    switch (index) {
        // 0
    case 11:
        return 0;
        // 1/96
    case 10:
        return long(Note(Note::SixtyFourthNote).getDuration() / 3);
        // 1/64
    case 9 :
        return long(Note(Note::SixtyFourthNote).getDuration());
        // 1/48
    case 8 :
        return long(Note(Note::ThirtySecondNote).getDuration() / 3);
        // 1/32
    case 7 :
        return long(Note(Note::ThirtySecondNote).getDuration());
        // 1/24
    case 6 :
        return long(Note(Note::SixteenthNote).getDuration() / 3);
        // 1/16
    case 5 :
        return long(Note(Note::SixteenthNote).getDuration());
        // 1/8
    case 4 :
        return long(Note(Note::EighthNote).getDuration());
        // 1/4
    case 3 :
        return long(Note(Note::QuarterNote).getDuration());
        // 1/2
    case 2 :
        return long(Note(Note::HalfNote).getDuration());
        // 1/1
    case 1 :
        return long(Note(Note::WholeNote).getDuration());
        // unlimited
    case 0 :
        return LONG_MAX;
    }
    // failsafe
    return LONG_MAX;
}

void
EventFilterDialog::invert(EventFilterDialog::filterRange &foo)
{
    long c = foo.first;
    foo.first = foo.second;
    foo.second = c;
}

EventFilterDialog::filterRange
EventFilterDialog::getPitch()
{
    EventFilterDialog::filterRange foo;
    foo.first = m_pitchFromSpinBox->value();
    foo.second = m_pitchToSpinBox ->value();
    if (!pitchIsInclusive())
        invert(foo);
    return foo;
}

EventFilterDialog::filterRange
EventFilterDialog::getVelocity()
{
    EventFilterDialog::filterRange foo;
    foo.first = m_velocityFromSpinBox->value();
    foo.second = m_velocityToSpinBox ->value();
    if (!velocityIsInclusive())
        invert(foo);
    return foo;
}

EventFilterDialog::filterRange
EventFilterDialog::getDuration()
{
    EventFilterDialog::filterRange foo;
    foo.first = getDurationFromIndex(m_noteDurationFromComboBox->currentItem());
    foo.second = getDurationFromIndex(m_noteDurationToComboBox ->currentItem());
    if (!durationIsInclusive())
        invert(foo);
    return foo;
}

bool
EventFilterDialog::keepEvent(Event* const &e)
{
    if ((*e).isa(Note::EventType)) {
        long property = 0;

	// pitch
	(*e).get<Int>(BaseProperties::PITCH, property);
	if (!eventInRange(getPitch(), property)) {
	    RG_DEBUG << "EventFilterDialog::keepEvent(): rejecting event; pitch " << property
		     << " out of range." << endl;
	    return false;
	}
	property = 0;

	// velocity
	(*e).get<Int>(BaseProperties::VELOCITY, property);
	if (!EventFilterDialog::eventInRange(getVelocity(), property)) {
	    RG_DEBUG << "EventFilterDialog::keepEvent(): rejecting event; velocity " << property
		     << " out of range." << endl;
	    return false;
	}
	property = 0;

	// duration
	property = (*e).getNotationDuration();
	if (!EventFilterDialog::eventInRange(getDuration(), property)) {
	    RG_DEBUG << "EventFilterDialog::keepEvent(): rejecting event; duration " << property
		     << " out of range." << endl;
	    return false;
	}
	property = 0;
	
	return true;
    }
    return false;
}

}

#include "EventFilterDialog.moc"