#include <QFile>
#include <QMessageBox>
#include <QTextStream>
-#include <QProcess>
#include <QDesktopWidget>
#if defined(Q_WS_MAEMO_5)
#include <QMaemo5InformationBox>
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 newmax = getScalingFreq( ui->freq_adjust->sliderPosition() );
QString max;
max.setNum( newmax );
- QStringList arguments;
-#if defined(Q_WS_MAEMO_5)
- //on Maemo5 the set_scalingmaxfreq-Script is not in $PATH
- arguments.append( "/opt/usr/bin/set_scalingmaxfreq" );
-#else
- arguments.append( "set_scalingmaxfreq" );
-#endif
- arguments.append( max );
- //execute the scaling script
- QProcess script;
- script.execute( "sudo", arguments );
+ callHelper( "set_maxfreq", max );
refresh();
}
/**
+ * Calls the QCPUFreq helper script with "sudo action param"
+ *
+ * @param action : the action of the helper script
+ * @param param : the parameter for the action
+ * @return exit code
+ */
+int MainWindow::callHelper(QString action, QString param)
+{
+ QStringList arguments;
+
+ #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( "/opt/usr/bin/QCPUFreq.helper" );
+ #else
+ arguments.append( "QCPUFreq.helper" );
+ #endif
+
+ arguments.append( action );
+ arguments.append( param );
+
+ helperProcess->start( "sudo", arguments, QIODevice::NotOpen );
+
+ if ( showSudoError && !helperProcess->waitForFinished( 200 )) {
+ //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 helperProcess->exitCode();
+}
+
+
+/**
* Returns the current CPU temperature
*/
QString MainWindow::getCPUTemp()
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
ui->cpu_temp->setText( getCPUTemp() );
//smart reflex button
- if ( getSmartReflexState() == 1 ) {
- ui->sr_btn->setDown( true );
- ui->sr_btn->setText( tr( "Enabled" ) );
- } else {
- ui->sr_btn->setDown( false );
- ui->sr_btn->setText( tr( "Disabled" ) );
- }
+ if ( getSmartReflexState() == 1 )
+ ui->sr_box->setCheckState( Qt::Checked );
+ else
+ 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);
*/
void MainWindow::setSmartReflex()
{
-//SmartReflex is only supprted on Maemo5
+//SmartReflex is only supported on Maemo5
#if defined(Q_WS_MAEMO_5)
- QStringList arguments;
- arguments.append( "/opt/usr/bin/set_sr" );
-
if ( getSmartReflexState() == 1 )
- arguments.append( "off" );
+ callHelper( "set_sr", "off");
else {
QMaemo5InformationBox::information(this, tr( "SmartReflex support is known to be unstable on some devices and may cause random reboots." ), QMaemo5InformationBox::DefaultTimeout);
- arguments.append( "on" );
+ callHelper( "set_sr", "on");
}
- //execute the sr script script
- QProcess script;
- script.execute( "sudo", arguments );
-
#endif
//refresh the UI
refresh();
/**
+ * SLOT: display the help window
+ */
+void MainWindow::showHelp()
+{
+ helpWindow->show();
+}
+
+
+/**
* Returns true when the device is in portrait mode
*/
bool MainWindow::usePortrait()