OPIE: core/applets/batteryapplet/batterystatus.cpp Source File

00001 
00002 #include "batterystatus.h"
00003 
00004 /* OPIE */
00005 #include <opie2/odevice.h>
00006 #include <qpe/power.h>
00007 
00008 /* QT */
00009 #include <qpushbutton.h>
00010 #include <qdrawutil.h>
00011 #include <qfile.h>
00012 #include <qtextstream.h>
00013 #include <qmessagebox.h>
00014 
00015 using namespace Opie::Core;
00016 
00017 BatteryStatus::BatteryStatus( const PowerStatus *p, QWidget *parent, WFlags f )
00018 : QFrame( parent, 0, f), ps(p), bat2(false) {
00019 
00020         UpdateBatteryStatus();
00021 }
00022 
00023 BatteryStatus::~BatteryStatus() {}
00024 
00025 void BatteryStatus::UpdateBatteryStatus() {
00026 
00027         jackPercent = 0;
00028 
00029         if ( ODevice::inst ( )-> series ( ) == Model_iPAQ ) {
00030                 getProcApmStatusIpaq();
00031         }
00032         percent = ps->batteryPercentRemaining();
00033 }
00034 
00035 /*
00036  * Make use of the advanced apm interface of the ipaq
00037  */
00038 bool BatteryStatus::getProcApmStatusIpaq() {
00039 
00040     bat2 = false;
00041 
00042     QFile procApmIpaq("/proc/hal/battery");
00043 
00044     if (procApmIpaq.open(IO_ReadOnly) ) {
00045         QStringList list;
00046         // since it is /proc we _must_ use QTextStream
00047         QTextStream stream ( &procApmIpaq);
00048         QString streamIn;
00049         streamIn = stream.read();
00050         list = QStringList::split("\n", streamIn);
00051        
00052         sec2 = sec1 = "";
00053 
00054         for(QStringList::Iterator line=list.begin(); line!=list.end(); line++) {
00055             // not nice, need a rewrite later
00056             if( (*line).startsWith(" Percentage") ) {
00057                 if (bat2 == true) {
00058                     perc2 = (*line).mid(((*line).find('(')) +1,(*line).find(')')-(*line).find('(')-2);
00059                 } else {
00060                     perc1 = (*line).mid(((*line).find('('))+1,(*line).find(')')-(*line).find('(')-2);
00061                 }
00062             } else if( (*line).startsWith(" Life") ) {
00063                 if (bat2 == true) {
00064                     sec2 = (*line).mid(((*line).find(':')+2), 5 );
00065                 } else {
00066                     sec1 = (*line).mid(((*line).find(':')+2), 5 );
00067                 }
00068             } else if( (*line).startsWith("Battery #1") ) {
00069                 bat2 = true;
00070             } else if( (*line).startsWith(" Status") ) {
00071                 if (bat2 == true) {
00072                     jackStatus = (*line).mid((*line).find('(')+1, (*line).find(')')-(*line).find('(')-1);
00073                 } else {
00074                     ipaqStatus = (*line).mid((*line).find('(')+1, (*line).find(')')-(*line).find('(')-1);
00075                 }
00076             } else if( (*line).startsWith(" Chemistry") ) {
00077                 if (bat2 == true) {
00078                     jackChem = (*line).mid((*line).find('('), (*line).find(')')-(*line).find('(')+1);
00079                 } else {
00080                     ipaqChem = (*line).mid((*line).find('('), (*line).find(')')-(*line).find('(')+1);
00081                 }
00082             }
00083         }
00084     } else {
00085         QMessageBox::warning(this, tr("Failure"),tr("could not open file"));
00086     }
00087 
00088     procApmIpaq.close();
00089     jackPercent = perc2.toInt();
00090     ipaqPercent = perc1.toInt();
00091 
00092     if (perc2.isEmpty() || perc2 == "unknow" ) {
00093         perc2 = tr("no data");
00094     } else {
00095         perc2 += " %";
00096     }
00097 
00098     if (sec2 == "0" || sec2 == "" || sec2.isEmpty()) {
00099         sec2 = tr("no data");
00100     } else {
00101         sec2 += " min";
00102     }
00103 
00104     jackStatus.prepend( " ( " );
00105     jackStatus.append( " )" );
00106     return true;
00107 }
00108 
00109 
00110 void BatteryStatus::updatePercent( int pc ) {
00111     percent = pc;
00112     repaint(FALSE);
00113 }
00114 
00115 void BatteryStatus::drawSegment( QPainter *p, const QRect &r, const QColor &topgrad, const QColor &botgrad, const QColor &highlight, int hightlight_height ) {
00116     int h1, h2, s1, s2, v1, v2, ng = r.height(), hy = ng*30/100, hh = hightlight_height;
00117     topgrad.hsv( &h1, &s1, &v1 );
00118     botgrad.hsv( &h2, &s2, &v2 );
00119     for ( int j = 0; j < hy-2; j++ ) {
00120         p->setPen( QColor( h1 + ((h2-h1)*j)/(ng-1), s1 + ((s2-s1)*j)/(ng-1),
00121                            v1 + ((v2-v1)*j)/(ng-1),  QColor::Hsv ) );
00122         p->drawLine( r.x(), r.top()+hy-2-j, r.x()+r.width(), r.top()+hy-2-j );
00123     }
00124     for ( int j = 0; j < hh; j++ ) {
00125         p->setPen( highlight );
00126         p->drawLine( r.x(), r.top()+hy-2+j, r.x()+r.width(), r.top()+hy-2+j );
00127     }
00128     for ( int j = 0; j < ng-hy-hh; j++ ) {
00129         p->setPen( QColor( h1 + ((h2-h1)*j)/(ng-1), s1 + ((s2-s1)*j)/(ng-1),
00130                            v1 + ((v2-v1)*j)/(ng-1),  QColor::Hsv ) );
00131         p->drawLine( r.x(), r.top()+hy+hh-2+j, r.x()+r.width(), r.top()+hy+hh-2+j );
00132     }
00133 }
00134 
00135 QString  BatteryStatus::statusText() const {
00136     QString text;
00137 
00138     if ( ps->batteryStatus() == PowerStatus::Charging ) {
00139     if (bat2) {
00140             text = tr("Charging both devices");
00141         } else {
00142             text = tr("Charging");
00143         }
00144     } else if ( ps->batteryPercentAccurate() ) {
00145         text = tr( "Remaining Power: %1%" ).arg( percent );
00146         //text.sprintf( tr("Remaining Power") + ": %i%%", percent );
00147     } else {
00148         text = tr( "Battery status: " );
00149         switch ( ps->batteryStatus() ) {
00150         case PowerStatus::High:
00151             text.append( tr( "Good" ) );
00152             break;
00153         case PowerStatus::Low:
00154             text.append( tr( "Low" ) );
00155             break;
00156         case PowerStatus::VeryLow:
00157             text.append( tr( "Very Low" ) );
00158             break;
00159         case PowerStatus::Critical:
00160             text.append( tr( "Critical" ) );
00161             break;
00162         default: // NotPresent, etc.
00163             text.append( tr( "Unknown" ) );
00164         }
00165     }
00166 
00167     if ( ps->acStatus() == PowerStatus::Backup )
00168     {
00169         text.append( '\n' );
00170         text.append( tr( "On backup power" ) );
00171     }
00172     else if ( ps->acStatus() == PowerStatus::Online )
00173     {
00174         text.append( '\n' );
00175         text.append( tr( "Power on-line" ) );
00176     }
00177     else if ( ps->acStatus() == PowerStatus::Offline )
00178     {
00179         text.append( '\n' );
00180         text.append( tr( "External power disconnected" ) );
00181     }
00182 
00183     if ( ps->batteryTimeRemaining() >= 0 )
00184     {
00185         text.append( '\n' );
00186         text.append( tr("Remaining Time: %1m %2s" ).arg( ps->batteryTimeRemaining() / 60 )
00187                                                    .arg( ps->batteryTimeRemaining() % 60, 2 ) );
00188 /*        text += "\n" + QString().sprintf(  tr("Remaining Time") + ": %im %02is",
00189               ps->batteryTimeRemaining() / 60, ps->batteryTimeRemaining() % 60 );*/
00190     }
00191     return text;
00192 }
00193 
00194 QString  BatteryStatus::statusTextIpaq() const {
00195     QString text = tr( "Remaining Power: %1 \n%2\nRemaining Time: %3" ).arg( perc2 )
00196                                                                    .arg( jackStatus )
00197                                                                    .arg( sec2 );
00198 /*    QString text =  tr("Remaining Power: ") + perc2 + " " + jackStatus;
00199     text += "\n"  + tr("Remaining Time: ") + sec2;*/
00200     return text;
00201 }
00202 
00203 void BatteryStatus::paintEvent( QPaintEvent * ev ) {
00204 
00205     QPainter p( this );
00206 
00207     QString text = statusText();
00208     p.eraseRect( p.boundingRect( 10, 50, width() - 20, 40 , AlignVCenter, text ) );
00209     p.drawText( 10, 50, width() - 20, 40 , AlignVCenter, text );
00210 
00211     QColor c;
00212     QColor darkc;
00213     QColor lightc;
00214     if ( ps->acStatus() == PowerStatus::Offline ) {
00215         c = blue.light(120);
00216         darkc = c.dark(280);
00217         lightc = c.light(145);
00218     } else if ( ps->acStatus() == PowerStatus::Online ) {
00219         c = green.dark(130);
00220         darkc = c.dark(200);
00221         lightc = c.light(220);
00222     } else {
00223         c = red;
00224         darkc = c.dark(280);
00225         lightc = c.light(140);
00226     }
00227     if ( percent < 0 )
00228         return;
00229 
00230     int rightEnd1 = width() - 47;
00231     int rightEnd2 = width() - 35;
00232     int percent2 = (percent * rightEnd1) / 100;
00233     p.setPen( black );
00234     qDrawShadePanel( &p,   9, 10, rightEnd1 , 39, colorGroup(), TRUE, 1, NULL);
00235     qDrawShadePanel( &p, rightEnd2, 17,  12, 24, colorGroup(), TRUE, 1, NULL);
00236     drawSegment( &p, QRect( 10, 10, percent2, 40 ), lightc, darkc, lightc.light(115), 6 );
00237     drawSegment( &p, QRect( 11 + percent2, 10,  rightEnd1 - percent2, 40 ), white.light(80), black, white.light(90), 6 );
00238     drawSegment( &p, QRect( rightEnd2, 17, 10, 25 ), white.light(80), black, white.light(90), 2 );
00239     p.setPen( black);
00240 
00241     if ( ODevice::inst ( )-> series ( ) == Model_iPAQ && bat2 ) {
00242 
00243         p.drawText( 15, 30, tr("Ipaq  %1").arg( ipaqChem ) );
00244 
00245         QString jacketMsg;
00246         if (bat2) {
00247             p.setPen(black);
00248             QString text = statusTextIpaq();
00249             p.eraseRect( p.boundingRect( 10, 130, width() - 20, 40 , AlignVCenter, text ) );
00250             p.drawText( 10, 130,  width() - 20, 40 , AlignVCenter, text );
00251             jacketMsg = tr("Jacket  ").arg( jackChem );
00252         } else {
00253             jackPercent = 0;
00254             jacketMsg = tr("No jacket with battery inserted");
00255         }
00256 
00257         int jackPerc =  ( jackPercent * ( width() - 47 ) ) / 100;
00258 
00259         qDrawShadePanel( &p,   9, 90, rightEnd1, 39, colorGroup(), TRUE, 1, NULL);
00260         qDrawShadePanel( &p, rightEnd2, 97,  12, 24, colorGroup(), TRUE, 1, NULL);
00261         drawSegment( &p, QRect( 10, 90, jackPerc, 40 ), lightc, darkc, lightc.light(115), 6 );
00262         drawSegment( &p, QRect( 11 + jackPerc, 90, rightEnd1 - jackPerc, 40 ), white.light(80), black, white.light(90), 6 );
00263         drawSegment( &p, QRect( rightEnd2, 97, 10, 25 ), white.light(80), black, white.light(90), 2 );
00264         p.setPen( black );
00265         p.drawText(15, 100, width() - 20, 20 , AlignVCenter,  jacketMsg);
00266     }
00267     QFrame::paintEvent(ev);
00268 }
00269 
00270 QSize BatteryStatus::sizeHint() const {
00271     QString text = statusText();
00272     QString text2 = statusTextIpaq();
00273     QFontMetrics fm = fontMetrics();
00274     QRect r=fm.boundingRect( 10, 0, width(), height(), AlignVCenter, text );
00275     QRect r2=fm.boundingRect( 10, 0, width(), height(), AlignVCenter, text2 );
00276 
00277     if ( bat2 )  {
00278     return QSize( QMAX( QMIN( 200, qApp->desktop()->width() ),
00279                         r.width()+2*10 ), 2 * 10 + 100 + r.height() +  r2.height() );
00280     }
00281     return QSize( QMAX( QMIN( 200, qApp->desktop()->width() ),
00282                         r.width()+2*10 ), 2 * 10 + 40 + r.height() );
00283 }