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lxqt-panel-packaging/plugin-volume/lxqtvolume.cpp

265 lines
8.9 KiB

/* BEGIN_COMMON_COPYRIGHT_HEADER
* (c)LGPL2+
*
* LXDE-Qt - a lightweight, Qt based, desktop toolset
* http://razor-qt.org
*
* Copyright: 2012 Razor team
* Authors:
* Johannes Zellner <webmaster@nebulon.de>
*
* This program or library is free software; you can redistribute it
* and/or modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*
* END_COMMON_COPYRIGHT_HEADER */
#include "lxqtvolume.h"
#include "volumebutton.h"
#include "volumepopup.h"
#include "lxqtvolumeconfiguration.h"
#include "audiodevice.h"
#ifdef USE_PULSEAUDIO
#include "pulseaudioengine.h"
#endif
#ifdef USE_ALSA
#include "alsaengine.h"
#endif
#include "ossengine.h"
#include <QMessageBox>
#include <QtDebug>
#include <XdgIcon>
#include <lxqt-globalkeys.h>
#include <LXQt/Notification>
#define DEFAULT_UP_SHORTCUT "XF86AudioRaiseVolume"
#define DEFAULT_DOWN_SHORTCUT "XF86AudioLowerVolume"
#define DEFAULT_MUTE_SHORTCUT "XF86AudioMute"
LXQtVolume::LXQtVolume(const ILXQtPanelPluginStartupInfo &startupInfo):
QObject(),
ILXQtPanelPlugin(startupInfo),
m_engine(0),
m_defaultSinkIndex(0),
m_defaultSink(0)
{
m_volumeButton = new VolumeButton(this);
m_notification = new LXQt::Notification("", this);
m_keyVolumeUp = GlobalKeyShortcut::Client::instance()->addAction(QString(), QString("/panel/%1/up").arg(settings()->group()), tr("Increase sound volume"), this);
if (m_keyVolumeUp)
{
connect(m_keyVolumeUp, &GlobalKeyShortcut::Action::registrationFinished, this, &LXQtVolume::shortcutRegistered);
connect(m_keyVolumeUp, SIGNAL(activated()), this, SLOT(handleShortcutVolumeUp()));
}
m_keyVolumeDown = GlobalKeyShortcut::Client::instance()->addAction(QString(), QString("/panel/%1/down").arg(settings()->group()), tr("Decrease sound volume"), this);
if (m_keyVolumeDown)
{
connect(m_keyVolumeDown, &GlobalKeyShortcut::Action::registrationFinished, this, &LXQtVolume::shortcutRegistered);
connect(m_keyVolumeDown, SIGNAL(activated()), this, SLOT(handleShortcutVolumeDown()));
}
m_keyMuteToggle = GlobalKeyShortcut::Client::instance()->addAction(QString(), QString("/panel/%1/mute").arg(settings()->group()), tr("Mute/unmute sound volume"), this);
if (m_keyMuteToggle)
{
connect(m_keyMuteToggle, &GlobalKeyShortcut::Action::registrationFinished, this, &LXQtVolume::shortcutRegistered);
connect(m_keyMuteToggle, SIGNAL(activated()), this, SLOT(handleShortcutVolumeMute()));
}
settingsChanged();
}
LXQtVolume::~LXQtVolume()
{
delete m_volumeButton;
}
void LXQtVolume::shortcutRegistered()
{
GlobalKeyShortcut::Action * const shortcut = qobject_cast<GlobalKeyShortcut::Action*>(sender());
QString shortcutNotRegistered;
if (shortcut == m_keyVolumeUp)
{
disconnect(m_keyVolumeUp, &GlobalKeyShortcut::Action::registrationFinished, this, &LXQtVolume::shortcutRegistered);
if (m_keyVolumeUp->shortcut().isEmpty())
{
m_keyVolumeUp->changeShortcut(DEFAULT_UP_SHORTCUT);
if (m_keyVolumeUp->shortcut().isEmpty())
{
shortcutNotRegistered = " '" DEFAULT_UP_SHORTCUT "'";
}
}
} else if (shortcut == m_keyVolumeDown)
{
disconnect(m_keyVolumeDown, &GlobalKeyShortcut::Action::registrationFinished, this, &LXQtVolume::shortcutRegistered);
if (m_keyVolumeDown->shortcut().isEmpty())
{
m_keyVolumeDown->changeShortcut(DEFAULT_DOWN_SHORTCUT);
if (m_keyVolumeDown->shortcut().isEmpty())
{
shortcutNotRegistered += " '" DEFAULT_DOWN_SHORTCUT "'";
}
}
} else if (shortcut == m_keyMuteToggle)
{
disconnect(m_keyMuteToggle, &GlobalKeyShortcut::Action::registrationFinished, this, &LXQtVolume::shortcutRegistered);
if (m_keyMuteToggle->shortcut().isEmpty())
{
m_keyMuteToggle->changeShortcut(DEFAULT_MUTE_SHORTCUT);
if (m_keyMuteToggle->shortcut().isEmpty())
{
shortcutNotRegistered += " '" DEFAULT_MUTE_SHORTCUT "'";
}
}
}
if(!shortcutNotRegistered.isEmpty())
{
m_notification->setSummary(tr("Volume Control: The following shortcuts can not be registered: %1").arg(shortcutNotRegistered));
m_notification->update();
}
m_notification->setTimeout(1000);
m_notification->setUrgencyHint(LXQt::Notification::UrgencyLow);
}
void LXQtVolume::setAudioEngine(AudioEngine *engine)
{
if (m_engine) {
if (m_engine->backendName() == engine->backendName())
return;
m_volumeButton->volumePopup()->setDevice(0);
disconnect(m_engine, 0, 0, 0);
delete m_engine;
m_engine = 0;
}
m_engine = engine;
connect(m_engine, SIGNAL(sinkListChanged()), this, SLOT(updateConfigurationSinkList()));
updateConfigurationSinkList();
}
void LXQtVolume::settingsChanged()
{
QString engineName = settings()->value(SETTINGS_AUDIO_ENGINE, SETTINGS_DEFAULT_AUDIO_ENGINE).toString();
qDebug() << "settingsChanged" << engineName;
if (!m_engine || m_engine->backendName() != engineName) {
#if defined(USE_PULSEAUDIO) && defined(USE_ALSA)
if (engineName == QLatin1String("PulseAudio"))
setAudioEngine(new PulseAudioEngine(this));
else if (engineName == QLatin1String("Alsa"))
setAudioEngine(new AlsaEngine(this));
else // fallback to OSS
setAudioEngine(new OssEngine(this));
#elif defined(USE_PULSEAUDIO)
if (engineName == QLatin1String("PulseAudio"))
setAudioEngine(new PulseAudioEngine(this));
else // fallback to OSS
setAudioEngine(new OssEngine(this));
#elif defined(USE_ALSA)
if (engineName == QLatin1String("Alsa"))
setAudioEngine(new AlsaEngine(this));
else // fallback to OSS
setAudioEngine(new OssEngine(this));
#else
// No other backends are available, fallback to OSS
setAudioEngine(new OssEngine(this));
#endif
}
m_volumeButton->setShowOnClicked(settings()->value(SETTINGS_SHOW_ON_LEFTCLICK, SETTINGS_DEFAULT_SHOW_ON_LEFTCLICK).toBool());
m_volumeButton->setMuteOnMiddleClick(settings()->value(SETTINGS_MUTE_ON_MIDDLECLICK, SETTINGS_DEFAULT_MUTE_ON_MIDDLECLICK).toBool());
m_volumeButton->setMixerCommand(settings()->value(SETTINGS_MIXER_COMMAND, SETTINGS_DEFAULT_MIXER_COMMAND).toString());
m_volumeButton->volumePopup()->setSliderStep(settings()->value(SETTINGS_STEP, SETTINGS_DEFAULT_STEP).toInt());
m_defaultSinkIndex = settings()->value(SETTINGS_DEVICE, SETTINGS_DEFAULT_DEVICE).toInt();
if (m_engine && m_engine->sinks().count() > 0) {
m_defaultSinkIndex = qBound(0, m_defaultSinkIndex, m_engine->sinks().count()-1);
m_defaultSink = m_engine->sinks().at(m_defaultSinkIndex);
m_volumeButton->volumePopup()->setDevice(m_defaultSink);
m_engine->setIgnoreMaxVolume(settings()->value(SETTINGS_IGNORE_MAX_VOLUME, SETTINGS_DEFAULT_IGNORE_MAX_VOLUME).toBool());
}
}
void LXQtVolume::updateConfigurationSinkList()
{
if (m_engine && m_configDialog)
m_configDialog->setSinkList(m_engine->sinks());
}
void LXQtVolume::handleShortcutVolumeUp()
{
if (m_defaultSink)
{
m_defaultSink->setVolume(m_defaultSink->volume() + settings()->value(SETTINGS_STEP, SETTINGS_DEFAULT_STEP).toInt());
m_notification->setSummary(tr("Volume: %1").arg(QString::number(m_defaultSink->volume())));
m_notification->update();
}
}
void LXQtVolume::handleShortcutVolumeDown()
{
if (m_defaultSink)
{
m_defaultSink->setVolume(m_defaultSink->volume() - settings()->value(SETTINGS_STEP, SETTINGS_DEFAULT_STEP).toInt());
m_notification->setSummary(tr("Volume: %1").arg(QString::number(m_defaultSink->volume())));
m_notification->update();
}
}
void LXQtVolume::handleShortcutVolumeMute()
{
if (m_defaultSink)
m_defaultSink->toggleMute();
}
QWidget *LXQtVolume::widget()
{
return m_volumeButton;
}
void LXQtVolume::realign()
{
}
QDialog *LXQtVolume::configureDialog()
{
if(!m_configDialog)
{
m_configDialog = new LXQtVolumeConfiguration(*settings());
m_configDialog->setAttribute(Qt::WA_DeleteOnClose, true);
if (m_engine)
m_configDialog->setSinkList(m_engine->sinks());
}
return m_configDialog;
}
#undef DEFAULT_UP_SHORTCUT
#undef DEFAULT_DOWN_SHORTCUT
#undef DEFAULT_MUTE_SHORTCUT