batteryicon.cpp

   1 //
   2 // C++ Implementation: batteryicon
   3 //
   4 // Author: Oliver Groß <z.o.gross@gmx.de>, (C) 2008
   5 //
   6 // Copyright: See COPYING file that comes with this distribution
   7 //
   8 #include "batteryicon.h"
   9 #include "common.h"
  10 #include <string>
  11 #include <QDir>
  12 #include <QPainter>
  13
  14 namespace qbat {
  15         using namespace std;
  16
  17         CBatteryIcon::CBatteryIcon(QString batteryName, QMenu * contextMenu, QObject * parent) :
  18                 QSystemTrayIcon(parent),
  19                 m_BatteryName(batteryName),
  20                 m_Icon(32, 32)
  21         {
  22                 m_Icon.fill(Qt::transparent);
  23                 setContextMenu(contextMenu);
  24                 updateData();
  25                 show();
  26         }
  27
  28         CBatteryIcon::~CBatteryIcon() {
  29         }
  30
  31         void CBatteryIcon::updateData() {
  32                 QDir workDir(UI_PATH_SYSFS_DIR + ('/' + m_BatteryName));
  33                 int chargeFull       = readIntSysFile(workDir.filePath("charge_full").toAscii().constData());
  34                 int chargeFullDesign = readIntSysFile(workDir.filePath("charge_full_design").toAscii().constData());
  35                 int chargeNow        = readIntSysFile(workDir.filePath("charge_now").toAscii().constData());
  36                 int currentNow       = readIntSysFile(workDir.filePath("current_now").toAscii().constData());
  37                 string status        = readStringSysFile(workDir.filePath("status").toAscii().constData());
  38
  39                 QString newToolTip = tr("QBat - %1: %2%").arg(m_BatteryName) +'\n';
  40                 if (chargeFull)
  41                         newToolTip = newToolTip.arg((int)(100.0 * chargeNow / chargeFull));
  42                 else
  43                         newToolTip = newToolTip.arg('-');
  44
  45                 if (status == "Discharging") {
  46                         newToolTip += tr("status: %1").arg(tr("dischaging"));
  47                         if (currentNow) {
  48                                 newToolTip += '\n';
  49                                 qreal remainingTime  = (qreal)chargeNow / (qreal)currentNow;
  50                                 int remainingHours   = (int)remainingTime;
  51                                 int remainungMinutes = (int)(remainingTime * 60) % 60;
  52                                 newToolTip += tr("remaining time: %1:%2").arg(remainingHours, 2, 10, QChar('0')).arg(remainungMinutes, 2, 10, QChar('0'));
  53                         }
  54                 }
  55                 else if (status == "Charging")
  56                         newToolTip += tr("status: %1").arg(tr("charging"));
  57                 else if (status == "Full")
  58                         newToolTip += tr("status: %1").arg(tr("full"));
  59                 else
  60                         newToolTip += tr("status: %1").arg(tr("unknown"));
  61
  62                 newToolTip += '\n';
  63
  64                 if (status != "Full")
  65                         newToolTip += tr("current rate: %1A").arg(qRound(currentNow / 100000.0) / 10.0) + '\n';
  66
  67                 newToolTip += tr("current capacity: %2mAh").arg(chargeNow / 1000) + '\n';
  68
  69                 newToolTip += tr("last full capacity: %3mAh").arg(chargeFull / 1000) + '\n';
  70                 newToolTip += tr("design capacity: %4mAh").arg(chargeFullDesign / 1000);
  71
  72                 setToolTip(newToolTip);
  73                 m_Icon.fill(Qt::transparent);
  74
  75                 QPainter painter(&m_Icon);
  76
  77                 if (chargeNow != chargeFull) {
  78                         painter.setPen(Qt::black);
  79                         painter.setBrush(Qt::white);
  80                         painter.drawRect(0, 5, 31, 26);
  81
  82                         painter.setPen(Qt::NoPen);
  83                         painter.setBrush(Qt::green);
  84                         painter.drawRect(1, 6 + 25 - (int)(25.0 * chargeNow / chargeFull), 30, (int)(25.0 * chargeNow / chargeFull));
  85
  86                         painter.setPen(Qt::black);
  87                         painter.setBrush(Qt::yellow);
  88                 }
  89                 else {
  90                         painter.setPen(Qt::black);
  91                         painter.setBrush(Qt::green);
  92                         painter.drawRect(0, 5, 31, 26);
  93
  94                         painter.setBrush(Qt::blue);
  95                 }
  96                 painter.drawRect(9, 0, 13, 5);
  97
  98                 painter.setBrush(Qt::NoBrush);
  99                 painter.font().setPixelSize(16);
 100                 painter.drawText(1, 12, 30, 16, Qt::AlignHCenter, QString::number((int)(100.0 * chargeNow / chargeFull)));
 101
 102                 setIcon(m_Icon);
 103         }
 104 }