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tderadio/plugins/alsa-sound/alsa-mixer-element.cpp

140 lines
4.2 KiB

/***************************************************************************
alsa-mixer-element.cpp - description
-------------------
begin : Mon Aug 15 2005
copyright : (C) 2005 by Martin Witte
email : witte@kawo1.rwth-aachen.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 "alsa-mixer-element.h"
#include <knuminput.h>
#include <tqslider.h>
#include <tqlabel.h>
#include <tqcheckbox.h>
#include <math.h>
QAlsaMixerElement::QAlsaMixerElement(TQWidget *parent, const TQString &label, bool has_switch, bool has_volume)
: AlsaMixerElementUI(parent),
m_HasVolume(has_volume),
m_HasSwitch(has_switch),
m_dirty(false),
m_ignore_updates(false)
{
setLabel(label);
setVolume(0);
TQObject::connect(m_spinboxVolume, TQ_SIGNAL(valueChanged(int)),
this, TQ_SLOT (slotSpinboxValueChanged(int)));
TQObject::connect(m_sliderVolume, TQ_SIGNAL(valueChanged(int)),
this, TQ_SLOT (slotSliderValueChanged(int)));
if (m_HasVolume) {
TQObject::connect(m_checkboxOverride, TQ_SIGNAL(toggled(bool)),
m_spinboxVolume, TQ_SLOT (setEnabled(bool)));
TQObject::connect(m_checkboxOverride, TQ_SIGNAL(toggled(bool)),
m_sliderVolume, TQ_SLOT (setEnabled(bool)));
} else {
m_spinboxVolume->hide();
m_sliderVolume->hide();
}
if (m_HasSwitch) {
TQObject::connect(m_checkboxOverride, TQ_SIGNAL(toggled(bool)),
m_checkboxActive, TQ_SLOT (setEnabled(bool)));
} else {
//m_checkboxActive->hide();
m_checkboxActive->setEnabled(false);
m_checkboxActive->setChecked(true);
}
connect(m_checkboxOverride, TQ_SIGNAL(toggled(bool)), this, TQ_SLOT(slotSetDirty()));
connect(m_checkboxActive, TQ_SIGNAL(toggled(bool)), this, TQ_SLOT(slotSetDirty()));
connect(m_spinboxVolume, TQ_SIGNAL(valueChanged(int)), this, TQ_SLOT(slotSetDirty()));
connect(m_sliderVolume, TQ_SIGNAL(valueChanged(int)), this, TQ_SLOT(slotSetDirty()));
}
QAlsaMixerElement::~QAlsaMixerElement()
{
}
float QAlsaMixerElement::getVolume() const
{
return ((float)m_spinboxVolume->value())/100.0;
}
bool QAlsaMixerElement::getActive() const
{
return m_checkboxActive->isChecked();
}
bool QAlsaMixerElement::getOverride() const
{
return m_checkboxOverride->isChecked();
}
void QAlsaMixerElement::setLabel(const TQString &label)
{
m_labelMixerElementName->setText(label);
}
void QAlsaMixerElement::setOverride(bool ov)
{
m_ignore_updates = true;
m_checkboxOverride->setChecked(ov);
m_ignore_updates = false;
}
void QAlsaMixerElement::setActive(bool active)
{
m_ignore_updates = true;
m_checkboxActive->setChecked(active);
m_ignore_updates = false;
}
void QAlsaMixerElement::setVolume(float vol)
{
m_ignore_updates = true;
int v = (int)rint(vol*100 + 0.5);
m_sliderVolume->setValue(100 - v);
m_spinboxVolume->setValue(v);
m_ignore_updates = false;
}
void QAlsaMixerElement::slotSpinboxValueChanged(int v)
{
m_sliderVolume->setValue(100-v);
}
void QAlsaMixerElement::slotSliderValueChanged(int v)
{
m_spinboxVolume->setValue(100-v);
}
void QAlsaMixerElement::slotSetDirty()
{
if (!m_dirty && !m_ignore_updates) {
m_dirty = true;
emit sigDirty();
}
}
void QAlsaMixerElement::slotResetDirty()
{
m_dirty = false;
}
#include "alsa-mixer-element.moc"