X-Git-Url: https://vcs.maemo.org/git/?a=blobdiff_plain;f=src%2Fmainwindow.cpp;h=8ea4a2416a492fd35f3e13bbe551bd50f99d794b;hb=e298ebf8d53811d331770526b8c3625e881f7ca5;hp=15d56fae79513147dbfaacf0904125f2b90d74ed;hpb=0a229b2d482bc6dc3603a932749812c31233d61b;p=qcpufreq diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp old mode 100755 new mode 100644 index 15d56fa..8ea4a24 --- a/src/mainwindow.cpp +++ b/src/mainwindow.cpp @@ -1,6 +1,6 @@ /* * QCPUFreq - a simple cpufreq GUI - * Copyright (C) 2010 Daniel Klaffenbach + * Copyright (C) 2010 Daniel Klaffenbach * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -27,13 +27,14 @@ #include #endif - #define APPNAME "QCPUFreq" -#define APPVERSION "0.3.2" +#define APPVERSION "0.3.4" MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent), ui(new Ui::MainWindow), + //do not allow overclocking per default + allowOverclocking(false), //create helper process helperProcess( this ), //create a new, stackable help window @@ -42,19 +43,22 @@ MainWindow::MainWindow(QWidget *parent) : refreshTimer( this ), //create a QGraphicsScene for the little chip icon scene( this ), + //the settings widget + settings(this), //show errors about the sudo setup only once showSudoError( true ) { //this is a stacked window on Maemo 5 #if defined(Q_WS_MAEMO_5) - setAttribute(Qt::WA_Maemo5StackedWindow); + setAttribute(Qt::WA_Maemo5StackedWindow); #endif ui->setupUi(this); + init(); refresh(); - // enable auto rotation + // setup auto rotation setAutoRotation(); //initialize orientation @@ -65,10 +69,13 @@ MainWindow::MainWindow(QWidget *parent) : // initialize stackable help window #if defined(Q_WS_MAEMO_5) - helpWindow.setAttribute(Qt::WA_Maemo5StackedWindow); + helpWindow.setAttribute(Qt::WA_Maemo5StackedWindow); #endif helpWindow.setWindowFlags( windowFlags() | Qt::Window ); + //Settings widget + settings.hide(); + //connect signals and slots connect(ui->actionHelp, SIGNAL(triggered()), this, SLOT(showHelp())); connect( ui->actionAbout, SIGNAL(triggered()), this, SLOT(about()) ); @@ -76,6 +83,14 @@ MainWindow::MainWindow(QWidget *parent) : connect(QApplication::desktop(), SIGNAL(resized(int)), this, SLOT(orientationChanged())); connect(ui->sr_box, SIGNAL(clicked()), this, SLOT(setSmartReflex())); connect(&refreshTimer, SIGNAL(timeout()), this, SLOT(refresh())); + connect(ui->actionOverclocking, SIGNAL(toggled(bool)), this, SLOT(setOverclocking())); + connect(ui->actionSettings, SIGNAL(triggered()), this, SLOT(showSettings())); + + + //disable overclocking button on vanilla kernels + if (!powerKernel) { + ui->actionOverclocking->setDisabled(true); + } } @@ -101,14 +116,29 @@ void MainWindow::about() void MainWindow::adjustFreq() { int newmax = getScalingFreq( ui->freq_adjust->sliderPosition() ); + + if (newmax == getMaxFreq() ) { + //we do not need to change anything in this case + return; + } + QString max; //maxfreq should not be smaller than minfreq, because we do not want to decrease minfreq if (newmax < getMinFreq()) - newmax = getMinFreq(); + newmax = getMinFreq(); max.setNum( newmax ); + //check for overclocking + #if defined(Q_WS_MAEMO_5) + if (this->allowOverclocking == false && newmax > 600000) { + QMaemo5InformationBox::information(this, tr( "You need to enable overclocking in QCPUFreq's menu for setting frequencies above 600MHz!"), 0); + refresh(); + return; + } + #endif + callHelper( "set_maxfreq", max ); refresh(); @@ -127,10 +157,10 @@ 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 is usually not in $PATH - arguments.append( "/opt/usr/bin/QCPUFreq.helper" ); + //On Maemo 5 the helper script resides in /opt/usr/bin, which is usually not in $PATH + arguments.append( "/opt/usr/bin/QCPUFreq.helper" ); #else - arguments.append( "QCPUFreq.helper" ); + arguments.append( "QCPUFreq.helper" ); #endif arguments.append( action ); @@ -139,9 +169,9 @@ int MainWindow::callHelper(QString action, QString param) 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!")); + //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(); @@ -158,24 +188,24 @@ QString MainWindow::getCPUTemp() //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" ); + return QString( readSysFile( "class/power_supply/bq27200-0/temp" ) + " " + QString::fromUtf8("\302\260") + "C" ); else { - /* - We actually only need to read the raw temperature, but it appears that by also reading temp1_input - the raw temperature (temp1_input_raw) is being updated more frequently. - */ - readSysFile( "devices/platform/omap34xx_temp/temp1_input" ); - - //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" ); + /* + We actually only need to read the raw temperature, but it appears that by also reading temp1_input + the raw temperature (temp1_input_raw) is being updated more frequently. + */ + readSysFile( "devices/platform/omap34xx_temp/temp1_input" ); + + //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" ); @@ -197,8 +227,7 @@ int MainWindow::getMaxFreq() */ int MainWindow::getMinFreq() { - QString tmp = readSysFile( "devices/system/cpu/cpu0/cpufreq/scaling_min_freq" ); - return tmp.toInt(); + return this->minFreq; } @@ -207,23 +236,20 @@ int MainWindow::getMinFreq() */ int MainWindow::getScalingFreq(int step) { - QString tmp = readSysFile( "devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies" ); - QStringList freqs = tmp.split( " " ); step = step - 1; if ( step < 0 ) step = 0; - if ( step > getScalingSteps() ) - step = getScalingSteps(); + if ( step > getScalingSteps() - 1 ) + step = getScalingSteps() - 1; - tmp = freqs[ step ]; - return tmp.toInt(); + return this->scalingFrequencies[ step ].toInt(); } /** * Returns the name of the current CPU frequency scaling governor * - * \return name of governor + * @return QString - name of governor */ QString MainWindow::getScalingGovernor() { @@ -233,26 +259,25 @@ QString MainWindow::getScalingGovernor() /** * Returns the amount of available scaling steps. + * + * @return int */ int MainWindow::getScalingSteps() { - QString tmp = readSysFile( "devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies" ); - QStringList freqs = tmp.split( " " ); - return (freqs.size() - 1); + return this->scalingSteps; } /** * Returns the scaling step for the specified frequency. + * + * @return int */ int MainWindow::getScalingStep( int freq ) { - for( int i = 1; i <= getScalingSteps(); ++i ) { - if ( getScalingFreq(i) == freq ) - return i; - } - - return 1; + QString tmp; + tmp.setNum(freq); + return this->scalingFrequencies.indexOf(tmp) + 1; } @@ -267,10 +292,11 @@ int MainWindow::getSmartReflexState() #if defined(Q_WS_MAEMO_5) QString tmp = readSysFile( "power/sr_vdd1_autocomp" ); - if ( tmp == "1" ) - return 1; - else - return 0; + if ( tmp == "1" ) { + return 1; + } else { + return 0; + } #else //disable UI checkbox ui->sr_box->setDisabled( true ); @@ -281,6 +307,54 @@ int MainWindow::getSmartReflexState() /** + * Initializes internal variables, such as: + * - scalingSteps + * - scalingFrequencies + * - minFreq + * - powerKernel + */ +void MainWindow::init() +{ + this->minFreq = 0; + QString freqs = readSysFile( "devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies" ); + QStringList freqList = freqs.split( " " ); + //change the order of the QStringList - last element becomes first + for (int i=freqList.size() - 1; i>=0; --i) { + if (freqList.at(i) != "") + this->scalingFrequencies << freqList.at(i); + } + this->scalingSteps = (this->scalingFrequencies.size()); + + //set minFreq and check avoid_frequencies + QString min = readSysFile( "devices/system/cpu/cpu0/cpufreq/scaling_min_freq" ); + //check if avoid file exists (only on power kernel) + QFile file( "/sys/devices/system/cpu/cpu0/cpufreq/ondemand/avoid_frequencies" ); + if (file.exists()) { + QString avoid = readSysFile( "devices/system/cpu/cpu0/cpufreq/ondemand/avoid_frequencies" ); + QStringList avoidList = avoid.split( " " ); + + //check if min is in avoid_frequencies + for (int i = getScalingStep( min.toInt() ); i <= this->scalingSteps; ++i) { + min.setNum( getScalingFreq(i) ); + if (!avoidList.contains(min)) { + this->minFreq = min.toInt(); + break; + } + } + } else { + this->minFreq = min.toInt(); + } + + //check if we are using a power kernel + if ( getScalingFreq(getScalingSteps()) > 600000 ) { + this->powerKernel = true; + } else { + this->powerKernel = false; + } +} + + +/** * Reads any file in /sys/ * * \param sys_file : full path to sys file - omit "/sys/" @@ -292,8 +366,8 @@ QString MainWindow::readSysFile(QString sys_file) //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 @@ -333,15 +407,14 @@ void MainWindow::refresh() //smart reflex button if ( getSmartReflexState() == 1 ) - ui->sr_box->setCheckState( Qt::Checked ); + ui->sr_box->setCheckState( Qt::Checked ); else - ui->sr_box->setCheckState( Qt::Unchecked ); + ui->sr_box->setCheckState( Qt::Unchecked ); //display frequency slider ui->freq_adjust->setMinimum( 1 ); ui->freq_adjust->setMaximum( getScalingSteps() ); - ui->freq_adjust->setInvertedAppearance( true ); ui->freq_adjust->setSliderPosition( getScalingStep(getMaxFreq()) ); //ui->retranslateUi(this); @@ -357,38 +430,54 @@ void MainWindow::orientationChanged() //check whether we are using portrait or landscape mode if ( usePortrait() ) { - //in portrait mode we want to display the large image - image.load( ":/img/chip256" ); - scene.clear(); - scene.addPixmap( image ); - - ui->graphicsPortrait->setScene( &scene ); - ui->graphicsPortrait->setMaximumSize( 256, 256 ); - ui->graphicsLandscape->setMaximumSize( 0, 0 ); + //in portrait mode we want to display the large image + image.load( ":/img/chip256" ); + scene.clear(); + scene.addPixmap( image ); + + ui->graphicsPortrait->setScene( &scene ); + ui->graphicsPortrait->setMaximumSize( 256, 256 ); + ui->graphicsLandscape->setMaximumSize( 0, 0 ); } else { - image.load( ":/img/chip128" ); - scene.clear(); - scene.addPixmap( image ); + image.load( ":/img/chip128" ); + scene.clear(); + scene.addPixmap( image ); - ui->graphicsLandscape->setScene( &scene ); - ui->graphicsLandscape->setMaximumSize( 128, 128 ); - ui->graphicsPortrait->setMaximumSize( 0, 0 ); + ui->graphicsLandscape->setScene( &scene ); + ui->graphicsLandscape->setMaximumSize( 128, 128 ); + ui->graphicsPortrait->setMaximumSize( 0, 0 ); } } /** - * Enables the auto-rotation feature of Maemo5 devices + * Enables or disables the auto-rotation feature of Maemo5 devices. */ void MainWindow::setAutoRotation() { #if defined(Q_WS_MAEMO_5) - setAttribute(Qt::WA_Maemo5AutoOrientation, true); + setAttribute(Qt::WA_Maemo5AutoOrientation, settings.useAutoRotate()); #endif } /** + * SLOT: enable/disable overclocking. + */ +void MainWindow::setOverclocking() +{ + if (ui->actionOverclocking->isChecked()) { + #if defined(Q_WS_MAEMO_5) + QMaemo5InformationBox::information(this, tr( "Please note that overclocking voids your warranty and may break your device! Be careful!"), 0); + #endif + this->allowOverclocking = true; + } else { + this->allowOverclocking = false; + } +} + + +/** * SLOT: Enables or disables Smart Reflex(tm) after pressing sr_btn */ void MainWindow::setSmartReflex() @@ -396,10 +485,10 @@ void MainWindow::setSmartReflex() //SmartReflex is only supported on Maemo5 #if defined(Q_WS_MAEMO_5) if ( getSmartReflexState() == 1 ) - callHelper( "set_sr", "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); - callHelper( "set_sr", "on"); + QMaemo5InformationBox::information(this, tr( "SmartReflex support is known to be unstable on some devices and may cause random reboots." ), 0); + callHelper( "set_sr", "on"); } #endif @@ -418,13 +507,23 @@ void MainWindow::showHelp() /** + * SLOT: displays the settings widget + */ +void MainWindow::showSettings() +{ + settings.reset(); + settings.show(); +} + + +/** * Returns true when the device is in portrait mode */ bool MainWindow::usePortrait() { QRect screenGeometry = QApplication::desktop()->screenGeometry(); if (screenGeometry.width() > screenGeometry.height()) - return false; + return false; else - return true; + return true; }