#include <QFile>
#include <QMessageBox>
#include <QTextStream>
-#include <QProcess>
#include <QDesktopWidget>
#if defined(Q_WS_MAEMO_5)
#include <QMaemo5InformationBox>
#define APPNAME "QCPUFreq"
-#define APPVERSION "0.2"
+#define APPVERSION "0.3"
MainWindow::MainWindow(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::MainWindow)
{
+ //this is a stacked window on Maemo 5
+ #if defined(Q_WS_MAEMO_5)
+ setAttribute(Qt::WA_Maemo5StackedWindow);
+ #endif
+
ui->setupUi(this);
refresh();
// enable auto rotation
- setAutoRotaion();
+ setAutoRotation();
//create a QGraphicsScene for the little chip icon
scene = new QGraphicsScene();
orientationChanged();
+ //create the refresh timer
+ refreshTimer = new QTimer();
+ //refresh UI every 10 seconds
+ refreshTimer->start( 10000 );
+
+ //create helper process
+ helperProcess = new QProcess;
+
+ //create a new, stackable help window
+ helpWindow = new HelpWindow( this );
+ #if defined(Q_WS_MAEMO_5)
+ helpWindow->setAttribute(Qt::WA_Maemo5StackedWindow);
+ #endif
+ helpWindow->setWindowFlags( windowFlags() | Qt::Window );
+
+ //show errors about the sudo setup only once
+ showSudoError = true;
+
//connect signals and slots
+ connect(ui->actionHelp, SIGNAL(triggered()), this, SLOT(showHelp()));
connect( ui->actionAbout, SIGNAL(triggered()), this, SLOT(about()) );
connect( ui->freq_adjust, SIGNAL(valueChanged(int)), this, SLOT(adjustFreq()) );
connect(QApplication::desktop(), SIGNAL(resized(int)), this, SLOT(orientationChanged()));
- connect( ui->sr_btn, SIGNAL(clicked()), this, SLOT(setSmartReflex()) );
+ connect(ui->sr_box, SIGNAL(clicked()), this, SLOT(setSmartReflex()));
+ connect(refreshTimer, SIGNAL(timeout()), this, SLOT(refresh()));
}
MainWindow::~MainWindow()
{
- delete ui;
+ delete helpWindow;
+ delete refreshTimer;
delete scene;
+ delete ui;
}
*/
int MainWindow::callHelper(QString action, QString param)
{
- QProcess helper;
QStringList arguments;
- //run sudo in non-interactive mode
- arguments.append( "-n" );
#if defined(Q_WS_MAEMO_5)
//On Maemo 5 the helper script resides in /opt/usr/bin, which us usually not in $PATH
arguments.append( action );
arguments.append( param );
- helper.execute( "sudo", arguments );
+ helperProcess->start( "sudo", arguments, QIODevice::NotOpen );
+
+ if ( showSudoError && !helperProcess->waitForFinished( 400 )) {
+ //do not show this error again
+ showSudoError = false;
+ QMessageBox::critical(this, tr("QCPUFreq"), tr("There seems to be a problem with your sudo setup!"));
+ }
- return helper.exitCode();
+ return helperProcess->exitCode();
}
QString MainWindow::getCPUTemp()
{
#if defined(Q_WS_MAEMO_5)
- return readSysFile( "devices/platform/omap34xx_temp/temp1_input_raw" );
+ QFile file( "/sys/class/power_supply/bq27200-0/temp" );
+
+ //check if we can read a more accurate temperature (only for power kernel)
+ if (file.exists())
+ return QString( readSysFile( "class/power_supply/bq27200-0/temp" ) + " " + QString::fromUtf8("\302\260") + "C" );
+ else {
+ //read the current system temperature
+ QString tstring = readSysFile( "devices/platform/omap34xx_temp/temp1_input_raw" );
+ if (tstring == "0")
+ return tr( "Unknown" );
+
+ //convert it to an integer and calculate the approx. temperature from the raw value
+ int tint = tstring.toInt();
+ tint = ( 0.65 * tint );
+ tstring.setNum(tint);
+ return QString( tstring + " " + QString::fromUtf8("\302\260") + "C" );
+ }
#endif
return tr( "Unknown" );
}
else
return 0;
#else
+ //disable UI checkbox
+ ui->sr_box->setDisabled( true );
+
return 0;
#endif
}
//open the file
if ( !file.exists() || !file.open( QIODevice::ReadOnly ) ) {
- QMessageBox::critical(this, tr("QCPUFreq"), tr("Could not get information from /sys!"));
- return "";
+ QMessageBox::critical(this, tr("QCPUFreq"), tr("Could not get information from /sys!"));
+ return "";
}
//read the file
QTextStream in( &file );
QString txt = in.readLine();
+ //close the file
+ file.close();
+
return txt;
}
//smart reflex button
if ( getSmartReflexState() == 1 )
- ui->sr_btn->setText( tr( "Enabled" ) );
+ ui->sr_box->setCheckState( Qt::Checked );
else
- ui->sr_btn->setText( tr( "Disabled" ) );
+ ui->sr_box->setCheckState( Qt::Unchecked );
//display frequency slider
/**
* Enables the auto-rotation feature of Maemo5 devices
*/
-void MainWindow::setAutoRotaion()
+void MainWindow::setAutoRotation()
{
#if defined(Q_WS_MAEMO_5)
setAttribute(Qt::WA_Maemo5AutoOrientation, true);
/**
+ * SLOT: display the help window
+ */
+void MainWindow::showHelp()
+{
+ helpWindow->show();
+}
+
+
+/**
* Returns true when the device is in portrait mode
*/
bool MainWindow::usePortrait()