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140 lines
4.1 KiB
140 lines
4.1 KiB
15 years ago
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/***************************************************************************
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alsa-mixer-element.cpp - description
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-------------------
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begin : Mon Aug 15 2005
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copyright : (C) 2005 by Martin Witte
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email : witte@kawo1.rwth-aachen.de
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#include "alsa-mixer-element.h"
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#include <knuminput.h>
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#include <qslider.h>
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#include <qlabel.h>
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#include <qcheckbox.h>
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#include <math.h>
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QAlsaMixerElement::QAlsaMixerElement(QWidget *parent, const QString &label, bool has_switch, bool has_volume)
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: AlsaMixerElementUI(parent),
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m_HasVolume(has_volume),
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m_HasSwitch(has_switch),
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m_dirty(false),
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m_ignore_updates(false)
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{
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setLabel(label);
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setVolume(0);
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QObject::connect(m_spinboxVolume, SIGNAL(valueChanged(int)),
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this, SLOT (slotSpinboxValueChanged(int)));
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QObject::connect(m_sliderVolume, SIGNAL(valueChanged(int)),
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this, SLOT (slotSliderValueChanged(int)));
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if (m_HasVolume) {
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QObject::connect(m_checkboxOverride, SIGNAL(toggled(bool)),
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m_spinboxVolume, SLOT (setEnabled(bool)));
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QObject::connect(m_checkboxOverride, SIGNAL(toggled(bool)),
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m_sliderVolume, SLOT (setEnabled(bool)));
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} else {
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m_spinboxVolume->hide();
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m_sliderVolume->hide();
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}
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if (m_HasSwitch) {
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QObject::connect(m_checkboxOverride, SIGNAL(toggled(bool)),
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m_checkboxActive, SLOT (setEnabled(bool)));
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} else {
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//m_checkboxActive->hide();
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m_checkboxActive->setEnabled(false);
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m_checkboxActive->setChecked(true);
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}
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connect(m_checkboxOverride, SIGNAL(toggled(bool)), this, SLOT(slotSetDirty()));
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connect(m_checkboxActive, SIGNAL(toggled(bool)), this, SLOT(slotSetDirty()));
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connect(m_spinboxVolume, SIGNAL(valueChanged(int)), this, SLOT(slotSetDirty()));
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connect(m_sliderVolume, SIGNAL(valueChanged(int)), this, SLOT(slotSetDirty()));
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}
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QAlsaMixerElement::~QAlsaMixerElement()
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{
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}
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float QAlsaMixerElement::getVolume() const
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{
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return ((float)m_spinboxVolume->value())/100.0;
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}
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bool QAlsaMixerElement::getActive() const
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{
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return m_checkboxActive->isChecked();
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}
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bool QAlsaMixerElement::getOverride() const
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{
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return m_checkboxOverride->isChecked();
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}
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void QAlsaMixerElement::setLabel(const QString &label)
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{
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m_labelMixerElementName->setText(label);
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}
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void QAlsaMixerElement::setOverride(bool ov)
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{
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m_ignore_updates = true;
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m_checkboxOverride->setChecked(ov);
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m_ignore_updates = false;
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}
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void QAlsaMixerElement::setActive(bool active)
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{
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m_ignore_updates = true;
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m_checkboxActive->setChecked(active);
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m_ignore_updates = false;
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}
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void QAlsaMixerElement::setVolume(float vol)
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{
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m_ignore_updates = true;
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int v = (int)rint(vol*100 + 0.5);
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m_sliderVolume->setValue(100 - v);
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m_spinboxVolume->setValue(v);
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m_ignore_updates = false;
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}
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void QAlsaMixerElement::slotSpinboxValueChanged(int v)
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{
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m_sliderVolume->setValue(100-v);
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}
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void QAlsaMixerElement::slotSliderValueChanged(int v)
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{
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m_spinboxVolume->setValue(100-v);
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}
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void QAlsaMixerElement::slotSetDirty()
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{
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if (!m_dirty && !m_ignore_updates) {
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m_dirty = true;
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emit sigDirty();
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}
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}
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void QAlsaMixerElement::slotResetDirty()
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{
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m_dirty = false;
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}
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#include "alsa-mixer-element.moc"
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