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/**********************************************************************
** Copyright (C) 2000 Trolltech AS. All rights reserved.
**
** This file is part of Qtopia Environment.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.trolltech.com/gpl/ for GPL licensing information.
**
** Contact info@trolltech.com if any conditions of this licensing are
** not clear to you.
**
**********************************************************************/
#include "volume.h"
#include <qpe/resource.h>
#include <qpe/qpeapplication.h>
#include <qpe/config.h>
#if ( defined Q_WS_QWS || defined(_WS_QWS_) ) && !defined(QT_NO_COP)
#include <qpe/qcopenvelope_qws.h>
#endif
#include <qpainter.h>
#include <qcheckbox.h>
#include <qslider.h>
#include <qlayout.h>
#include <qframe.h>
#include <qpixmap.h>
VolumeControl::VolumeControl( QWidget *parent, const char *name )
: QFrame( parent, name, WDestructiveClose | WStyle_StaysOnTop | WType_Popup )
{
setFrameStyle( QFrame::PopupPanel | QFrame::Raised );
QVBoxLayout *vbox = new QVBoxLayout( this );
slider = new QSlider( this );
muteBox = new QCheckBox( tr("Mute"), this );
slider->setRange( 0, 100 );
slider->setTickmarks( QSlider::Both );
slider->setTickInterval( 20 );
slider->setFocusPolicy( QWidget::NoFocus );
muteBox->setFocusPolicy( QWidget::NoFocus );
vbox->setMargin( 6 );
vbox->setSpacing( 3 );
vbox->addWidget( slider, 0, Qt::AlignVCenter | Qt::AlignHCenter );
vbox->addWidget( muteBox );
setFixedHeight( 100 );
setFixedWidth( sizeHint().width() );
setFocusPolicy(QWidget::NoFocus);
}
void VolumeControl::keyPressEvent( QKeyEvent *e)
{
switch(e->key()) {
case Key_Up:
slider->subtractStep();
break;
case Key_Down:
slider->addStep();
break;
case Key_Space:
muteBox->toggle();
break;
case Key_Escape:
close();
break;
}
}
//===========================================================================
VolumeApplet::VolumeApplet( QWidget *parent, const char *name )
: QWidget( parent, name )
{
setFixedHeight( 18 );
setFixedWidth( 14 );
volumePixmap = Resource::loadPixmap( "volume" );
muted = FALSE; // ### read from pref
volumePercent = 50; // ### read from pref
connect( qApp, SIGNAL( volumeChanged(bool) ), this, SLOT( volumeChanged(bool) ) );
writeSystemVolume();
}
VolumeApplet::~VolumeApplet()
{
}
void VolumeApplet::mousePressEvent( QMouseEvent *)
{
// Create a small volume control window to adjust the volume with
VolumeControl *vc = new VolumeControl;
vc->slider->setValue( 100 - volumePercent );
vc->muteBox->setChecked( muted );
connect( vc->slider, SIGNAL( valueChanged( int ) ), this, SLOT( sliderMoved( int ) ) );
connect( vc->muteBox, SIGNAL( toggled( bool ) ), this, SLOT( mute( bool ) ) );
QPoint curPos = mapToGlobal( rect().topLeft() );
vc->move( curPos.x()-(vc->sizeHint().width()-width())/2, curPos.y() - 100 );
vc->show();
}
void VolumeApplet::volumeChanged( bool nowMuted )
{
int previousVolume = volumePercent;
if ( !nowMuted )
readSystemVolume();
// Handle case where muting it toggled
if ( muted != nowMuted ) {
muted = nowMuted;
repaint( TRUE );
return;
}
// Avoid over repainting
if ( previousVolume != volumePercent )
repaint( 2, height() - 3, width() - 4, 2, FALSE );
}
void VolumeApplet::mute( bool toggled )
{
muted = toggled;
// clear if removing mute
repaint( !toggled );
writeSystemVolume();
}
void VolumeApplet::sliderMoved( int percent )
{
setVolume( 100 - percent );
}
void VolumeApplet::readSystemVolume()
{
Config cfg("Sound");
cfg.setGroup("System");
volumePercent = cfg.readNumEntry("Volume");
}
void VolumeApplet::setVolume( int percent )
{
// clamp volume percent to be between 0 and 100
volumePercent = (percent < 0) ? 0 : ((percent > 100) ? 100 : percent);
// repaint just the little volume rectangle
repaint( 2, height() - 3, width() - 4, 2, FALSE );
writeSystemVolume();
}
void VolumeApplet::writeSystemVolume()
{
{
Config cfg("Sound");
cfg.setGroup("System");
cfg.writeEntry("Volume",volumePercent);
}
#if ( defined Q_WS_QWS || defined(_WS_QWS_) ) && !defined(QT_NO_COP)
// Send notification that the volume has changed
QCopEnvelope( "QPE/System", "volumeChange(bool)" ) << muted;
#endif
}
void VolumeApplet::paintEvent( QPaintEvent* )
{
QPainter p(this);
if (volumePixmap.isNull())
volumePixmap = Resource::loadPixmap( "volume" );
p.drawPixmap( 0, 1, volumePixmap );
p.setPen( darkGray );
p.drawRect( 1, height() - 4, width() - 2, 4 );
int pixelsWide = volumePercent * (width() - 4) / 100;
p.fillRect( 2, height() - 3, pixelsWide, 2, red );
p.fillRect( pixelsWide + 2, height() - 3, width() - 4 - pixelsWide, 2, lightGray );
if ( muted ) {
p.setPen( red );
p.drawLine( 1, 2, width() - 2, height() - 5 );
p.drawLine( 1, 3, width() - 2, height() - 4 );
p.drawLine( width() - 2, 2, 1, height() - 5 );
p.drawLine( width() - 2, 3, 1, height() - 4 );
}
}
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