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/*
* KMix -- KDE's full featured mini mixer
*
*
* Copyright (C) 1996-2004 Christian Esken <esken@kde.org>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This program 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this program; if not, write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "gui/dialogselectmaster.h"
#include <QLabel>
#include <QVBoxLayout>
#include <QListWidget>
#include <QComboBox>
#include <QToolTip>
#include <klocalizedstring.h>
#include "core/ControlManager.h"
#include "core/mixer.h"
#include "gui/kmixtoolbox.h"
// TOD: Should this be incorporated into the "Configure KMix" dialogue?
DialogSelectMaster::DialogSelectMaster(const Mixer *mixer, QWidget *parent)
: DialogBase(parent)
{
setWindowTitle(i18n("Select Master Channel"));
if (Mixer::mixers().count()>0) setButtons(QDialogButtonBox::Ok|QDialogButtonBox::Cancel);
else setButtons(QDialogButtonBox::Cancel);
m_channelSelector = nullptr;
createWidgets(mixer); // for the specified 'mixer'
}
/**
* Create basic widgets of the dialogue.
*/
void DialogSelectMaster::createWidgets(const Mixer *mixer)
{
QWidget *mainFrame = new QWidget(this);
setMainWidget(mainFrame);
QVBoxLayout *layout = new QVBoxLayout(mainFrame);
const QList<Mixer *> &mixers = Mixer::mixers(); // list of all mixers present
if (mixers.count()>1)
{
int mixerIndex = 0; // index of selected mixer
// TODO: should "Playback Streams" (ALSA) be shown here?
// There is no meaningful concept of a master channel for that.
// More than one Mixer => show Combo-Box to select Mixer
// Mixer widget line
QHBoxLayout *mixerNameLayout = new QHBoxLayout();
layout->addLayout( mixerNameLayout );
mixerNameLayout->setContentsMargins(0, 0, 0, 0);
QLabel *qlbl = new QLabel( i18n("Current mixer:"), mainFrame );
mixerNameLayout->addWidget(qlbl);
qlbl->setFixedHeight(qlbl->sizeHint().height());
m_cMixer = new QComboBox(mainFrame);
m_cMixer->setObjectName( QLatin1String( "mixerCombo" ) );
m_cMixer->setFixedHeight(m_cMixer->sizeHint().height());
connect(m_cMixer, QOverload<int>::of(&QComboBox::activated), this, &DialogSelectMaster::createPageByID);
for (int i = 0; i<mixers.count(); ++i)
{
const Mixer *m = mixers[i];
m_cMixer->addItem(QIcon::fromTheme(m->iconName()), m->readableName(), m->id());
if (m->id()==mixer->id()) mixerIndex = i;
}
// Select the specified 'mixer' as the current item in the combo box.
// If it was not found by the loop above, then select the first item.
m_cMixer->setCurrentIndex(mixerIndex);
mixerNameLayout->addWidget(m_cMixer, 1);
layout->addSpacing(DialogBase::verticalSpacing());
}
if (mixers.count()>0)
{
QLabel *qlbl = new QLabel(xi18nc("@info", "Select the <a href=\"i\">master volume</a> channel:"), mainFrame);
// Not a good idea to set Qt::LinksAccessibleByKeyboard, if the link is
// clicked on or gets focus then the Return key will not activate the OK
// button as expected.
//qlbl->setTextInteractionFlags(Qt::LinksAccessibleByMouse|Qt::LinksAccessibleByKeyboard);
layout->addWidget(qlbl);
connect(qlbl, &QLabel::linkActivated, this, [this]() {
QToolTip::showText(QCursor::pos(), xi18nc("@info:tooltip",
"<para>Here you can select the master sound device (if there is more than one) and its master channel.</para>"
"<para>The master channel is the one that is affected by the system tray volume control, "
"the volume up/down and mute global shortcut keys, "
"and the <interface>Mute</interface> action in the system tray popup menu.</para>"));
});
createPage(mixer);
connect(this, &QDialog::accepted, this, &DialogSelectMaster::apply);
}
else
{
QWidget *noMixersWarning = KMixToolBox::noDevicesWarningWidget(mainFrame);
layout->addWidget(noMixersWarning);
layout->addStretch(1);
}
}
/**
* Create the channel list for the specified mixer
*
* @p mixerId the ID (index) of the mixer for which the list should be created.
*/
void DialogSelectMaster::createPageByID(int mixerId)
{
// TODO: would Mixer::mixers().value(mixerId) work just as well?
// TODO: mixerId should really be named mixerIndex!
const QString mixer_id = m_cMixer->itemData(mixerId).toString();
const Mixer *mixer = Mixer::findMixer(mixer_id);
if (mixer!=nullptr) createPage(mixer);
}
/**
* Create the channel list for the specified mixer
*
* @p mixer the mixer for which the list should be created
*/
void DialogSelectMaster::createPage(const Mixer *mixer)
{
/** --- Reset page -----------------------------------------------
* In case the user selected a new Mixer via m_cMixer, we need
* to remove the stuff created on the last call.
*/
// delete the list widget.
// This should automatically remove all contained items.
delete m_channelSelector;
/** Reset page end -------------------------------------------------- */
QWidget *mainFrame = mainWidget();
QVBoxLayout *layout = qobject_cast<QVBoxLayout *>(mainFrame->layout());
Q_ASSERT(layout!=nullptr);
m_channelSelector = new QListWidget(mainFrame);
#ifndef QT_NO_ACCESSIBILITY
m_channelSelector->setAccessibleName( i18n("Select Master Channel") );
#endif
m_channelSelector->setSelectionMode(QAbstractItemView::SingleSelection);
m_channelSelector->setDragEnabled(false);
m_channelSelector->setAlternatingRowColors(true);
layout->addWidget(m_channelSelector);
const MixSet &mixset = mixer->getMixSet();
const MasterControl mc = mixer->getGlobalMasterPreferred(false);
QString masterKey = mc.getControl();
if (!masterKey.isEmpty() && !mixset.get(masterKey))
{
const shared_ptr<MixDevice> master = mixer->getLocalMasterMD();
if (master.get()!=nullptr) masterKey = master->id();
}
int msetCount = 0;
for (int i = 0; i<mixset.count(); ++i)
{
const shared_ptr<MixDevice> md = mixset[i];
if (md->playbackVolume().hasVolume()) ++msetCount;
}
if (msetCount>0 && !mixer->isDynamic())
{
QString mdName = i18n("Automatic (%1 recommendation)", mixer->getDriverName());
auto *item = new QListWidgetItem(QIcon::fromTheme("audio-volume-high"), mdName, m_channelSelector);
item->setData(Qt::UserRole, QString()); // ID here: see apply(), empty String => Automatic
if (masterKey.isEmpty()) m_channelSelector->setCurrentItem(item);
}
// Populate the list view with the MixDevice's having a playback volume
// (excludes pure capture controls and pure enum's)
for (int i = 0; i<mixset.count(); ++i)
{
const shared_ptr<MixDevice> md = mixset[i];
if (md->playbackVolume().hasVolume())
{
const QString mdName = md->readableName();
auto *item = new QListWidgetItem(QIcon::fromTheme(md->iconName()), mdName, m_channelSelector);
item->setData(Qt::UserRole, md->id()); // ID here: see apply()
if (md->id() == masterKey)
{ // select the current master
m_channelSelector->setCurrentItem(item);
}
}
}
setButtonEnabled(QDialogButtonBox::Ok, m_channelSelector->count()>0);
}
void DialogSelectMaster::apply()
{
const QList<Mixer *> &mixers = Mixer::mixers(); // list of all mixers present
Mixer *mixer = nullptr; // selected mixer found
if (mixers.count()==1)
{
// only one mixer => no combo box => take first entry
mixer = mixers.first();
}
else if (mixers.count()>1)
{
// use the mixer that is currently selected in the combo box
const int idx = m_cMixer->currentIndex();
if (idx!=-1) mixer = mixers.at(idx);
}
if (mixer==nullptr) return; // user must have unplugged everything
QList<QListWidgetItem *> items = m_channelSelector->selectedItems();
if (items.count()==1)
{
QListWidgetItem *item = items.first();
QString control_id = item->data(Qt::UserRole).toString();
mixer->setLocalMasterMD(control_id);
Mixer::setGlobalMaster(mixer->id(), control_id, true);
ControlManager::instance().announce(mixer->id(), ControlManager::MasterChanged, QString("Select Master Dialog"));
}
}
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