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/****************************************************************************************
* Copyright (c) 2009 Nikolaj Hald Nielsen <nhn@kde.org> *
* Copyright (c) 2009 Mark Kretschmann <kretschmann@kde.org> *
* *
* 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. *
* *
* 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 General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License along with *
* this program. If not, see <http://www.gnu.org/licenses/>. *
****************************************************************************************/
#include "volumepopupbutton.h"
#include "slider.h"
#include <KLocale>
#include <KVBox>
#include <KIcon>
#include <QAction>
#include <QLabel>
#include <QMenu>
#include <QToolBar>
#include <QWheelEvent>
#include <QWidgetAction>
#include "playermanager.h"
#include "juk.h"
VolumePopupButton::VolumePopupButton( QWidget * parent )
: QToolButton( parent )
{
//create the volume popup
m_volumeMenu = new QMenu( this );
KVBox * mainBox = new KVBox( this );
m_volumeLabel= new QLabel( mainBox );
m_volumeLabel->setAlignment( Qt::AlignHCenter );
KHBox * sliderBox = new KHBox( mainBox );
m_volumeSlider = new VolumeSlider( 100, sliderBox, false );
m_volumeSlider->setFixedHeight( 170 );
mainBox->setMargin( 0 );
mainBox->setSpacing( 0 );
sliderBox->setSpacing( 0 );
sliderBox->setMargin( 0 );
mainBox->setSizePolicy( QSizePolicy::MinimumExpanding, QSizePolicy::Fixed );
sliderBox->setSizePolicy( QSizePolicy::MinimumExpanding, QSizePolicy::Fixed );
PlayerManager *player = JuK::JuKInstance()->playerManager();
QWidgetAction * sliderActionWidget = new QWidgetAction( this );
sliderActionWidget->setDefaultWidget( mainBox );
connect( m_volumeSlider, SIGNAL(volumeChanged(float)), player, SLOT(setVolume(float)) );
connect( m_volumeSlider, SIGNAL(volumeChanged(float)), player, SLOT(setVolume(float)) );
QToolBar *muteBar = new QToolBar( QString(), mainBox );
muteBar->setContentsMargins( 0, 0, 0, 0 );
muteBar->setIconSize( QSize( 16, 16 ) );
m_muteAction = new QAction( KIcon( "audio-volume-muted" ), QString(), muteBar );
m_muteAction->setCheckable ( true );
m_muteAction->setChecked( player->muted() );
connect( m_muteAction, SIGNAL(toggled(bool)), player, SLOT(setMuted(bool)) );
connect( m_muteAction, SIGNAL(toggled(bool)), this, SLOT(muteStateChanged(bool)) );
m_volumeMenu->addAction( sliderActionWidget );
muteBar->addAction( m_muteAction );
// set correct icon and label initially
volumeChanged( player->volume() );
connect( m_volumeSlider, SIGNAL(volumeChanged(float)),
this, SLOT(volumeChanged(float)) );
}
void
VolumePopupButton::refresh()
{
volumeChanged( JuK::JuKInstance()->playerManager()->volume() );
}
void
VolumePopupButton::volumeChanged( float newVolume )
{
if ( newVolume <= 0.0001 )
setIcon( KIcon( "audio-volume-muted" ) );
else if ( newVolume < 0.34 )
setIcon( KIcon( "audio-volume-low" ) );
else if ( newVolume < 0.67 )
setIcon( KIcon( "audio-volume-medium" ) );
else
setIcon( KIcon( "audio-volume-high" ) );
m_volumeLabel->setText( QString::number( int( newVolume * 100 ) ) + '%' );
if( newVolume != m_volumeSlider->value() )
m_volumeSlider->setValue( newVolume * 100 );
//make sure to uncheck mute toolbar when moving slider
if ( newVolume > 0 )
m_muteAction->setChecked( false );
setToolTip( i18n( "Volume: %1% %2", int( 100 * newVolume ),
( m_muteAction->isChecked() ? i18n( "(muted)" ) : "" ) ) );
}
void
VolumePopupButton::muteStateChanged( bool muted )
{
const float volume = JuK::JuKInstance()->playerManager()->volume();
if ( muted )
{
setIcon( KIcon( "audio-volume-muted" ) );
setToolTip( i18n( "Volume: %1% %2", volume, ( muted ? i18n( "(muted)" ) : "" ) ) );
}
else
{
volumeChanged( volume );
}
m_muteAction->setChecked( muted );
}
void
VolumePopupButton::mouseReleaseEvent( QMouseEvent * event )
{
if( event->button() == Qt::LeftButton )
{
if ( m_volumeMenu->isVisible() )
m_volumeMenu->hide();
else
{
const QPoint pos( 0, height() );
m_volumeMenu->exec( mapToGlobal( pos ) );
}
}
else if( event->button() == Qt::MidButton )
{
muteStateChanged( JuK::JuKInstance()->playerManager()->mute() );
}
QToolButton::mouseReleaseEvent( event );
}
void
VolumePopupButton::wheelEvent( QWheelEvent * event )
{
event->accept();
PlayerManager *player = JuK::JuKInstance()->playerManager();
float volume = qBound( 0.0, player->volume() + float( event->delta() ) / 4000.0, 1.0 );
player->setVolume( volume );
volumeChanged( volume );
}
#include "volumepopupbutton.moc"
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