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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 "battery.h"
#include "batterystatus.h"
#include <qpe/applnk.h>
#include <qpe/config.h>
#include <qpe/power.h>
#include <qpe/qpeapplication.h>
#include <qpainter.h>
#include <qtimer.h>
BatteryMeter::BatteryMeter( QWidget *parent )
: QWidget( parent ), charging(false)
{
ps = new PowerStatus;
startTimer( 10000 );
setFixedHeight( AppLnk::smallIconSize() );
chargeTimer = new QTimer( this );
connect( chargeTimer, SIGNAL(timeout()), this, SLOT(chargeTimeout()) );
timerEvent(0);
QPEApplication::setStylusOperation( this, QPEApplication::RightOnHold );
Config c( "qpe" );
c.setGroup( "Battery" );
style = c.readNumEntry( "Style", 0 );
}
BatteryMeter::~BatteryMeter()
{
delete ps;
}
QSize BatteryMeter::sizeHint() const
{
return QSize(10, height() );
}
void BatteryMeter::mousePressEvent( QMouseEvent* e )
{
if ( e->button() == RightButton )
{
style = 1-style;
Config c( "qpe" );
c.setGroup( "Battery" );
c.writeEntry( "Style", style );
repaint( true );
}
QWidget::mousePressEvent( e );
}
void BatteryMeter::mouseReleaseEvent( QMouseEvent* e)
{
if ( batteryView && batteryView->isVisible() ) {
delete (QWidget *) batteryView;
} else {
if ( !batteryView ) batteryView = new BatteryStatus( ps );
batteryView->showMaximized();
batteryView->raise();
batteryView->show();
}
}
void BatteryMeter::timerEvent( QTimerEvent * )
{
PowerStatus prev = *ps;
*ps = PowerStatusManager::readStatus();
if ( prev != *ps ) {
percent = ps->batteryPercentRemaining();
if ( !charging && ps->batteryStatus() == PowerStatus::Charging && percent < 0 ) {
percent = 0;
charging = true;
chargeTimer->start( 500 );
} else if ( charging && ps->batteryStatus() != PowerStatus::Charging ) {
charging = false;
chargeTimer->stop();
if ( batteryView )
batteryView->updatePercent( percent );
}
repaint( style != 0 );
if ( batteryView )
batteryView->repaint();
}
}
void BatteryMeter::chargeTimeout()
{
percent += 20;
if ( percent > 100 )
percent = 0;
repaint(FALSE);
if ( batteryView )
batteryView->updatePercent( percent );
}
void BatteryMeter::paintEvent( QPaintEvent* )
{
if ( style == 1 )
{
QPainter p(this);
QFont f( "Fixed", AppLnk::smallIconSize()/2 );
QFontMetrics fm( f );
p.setFont( f );
if ( percent > 98 ) {
p.drawText( 0, 0, width(), height(), Qt::AlignCenter, tr( "F" ) );
}
else if ( percent < 5 )
{
p.drawText( 0, 0, width(), height(), Qt::AlignCenter, tr( "E" ) );
}
else
{
p.drawText( 0, AppLnk::smallIconSize()/2, QString::number( percent ) );
p.drawText( AppLnk::smallIconSize()/4, AppLnk::smallIconSize(), "%" );
}
return;
}
QPainter p(this);
QColor color;
QColor g = gray.light( 160 );
switch ( ps->acStatus() )
{
case PowerStatus::Offline: color = blue.light( 150 ); break;
case PowerStatus::Online: color = green.dark( 130 ).light( 180 ); break;
default: color = red.light( 160 );
}
int w = height() / 2;
if ( !(w%2) ) w--; // should have an odd value to get a real middle line
int h = height() - 4;
int pix = (percent * h) / 100;
int y2 = height() -2;
int y = y2 - pix;
int x1 = (width() - w ) / 2;
p.setPen(QColor(80,80,80));
p.drawLine(x1+w/4,0,x1+w/4+w/2+1,0); // header
p.drawRect(x1,1,w,height()-1); // corpus
p.setBrush(color);
int extra = ((percent * h) % 100)/(100/4);
int middle = w/2;
for ( int i = 0; i < middle; i++ )
{
p.setPen( gray.dark( 100+i*20 ) );
p.drawLine( x1+middle-i, 2, x1+middle-i, y-1 );
p.drawLine( x1+middle+i, 2, x1+middle+i, y-1 );
p.setPen( color.dark( 100+i*20 ) );
p.drawLine( x1+middle-i, y, x1+middle-i, y2 );
p.drawLine( x1+middle+i, y, x1+middle+i, y2 );
}
}
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