X-Git-Url: http://vcs.maemo.org/git/?a=blobdiff_plain;f=src%2Fmainwindow.cpp;h=cb396ca09ab4e63df6aff0f43d2d8f088968732f;hb=HEAD;hp=2f7504b7d929fbab4702f5afed843475af57b38b;hpb=b75769f2af8f3245ff1bc628d9b3a5aecd030967;p=qcpufreq diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp old mode 100755 new mode 100644 index 2f7504b..cb396ca --- a/src/mainwindow.cpp +++ b/src/mainwindow.cpp @@ -1,6 +1,6 @@ /* * QCPUFreq - a simple cpufreq GUI - * Copyright (C) 2010 Daniel Klaffenbach + * Copyright (C) 2010-11 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 @@ -22,49 +22,93 @@ #include #include #include -#include #include #if defined(Q_WS_MAEMO_5) #include #endif - #define APPNAME "QCPUFreq" -#define APPVERSION "0.2" +#define APPVERSION "0.4.4" + MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent), - ui(new Ui::MainWindow) + ui(new Ui::MainWindow), + //create helper process + helperProcess( this ), + //create a new, stackable help window + helpWindow( this ), + //create UI refresh timer + refreshTimer( this ), + //create a QGraphicsScene for the little chip icon + scene( this ) { + //this is a stacked window on Maemo 5 + #if defined(Q_WS_MAEMO_5) + setAttribute(Qt::WA_Maemo5StackedWindow); + #endif + ui->setupUi(this); - refresh(); + //Settings widget + settings = new Settings; + settings->hide(); + + //load preset dialog + loadPresetDialog = new LoadPreset; + loadPresetDialog->hide(); + + //enable save and load option on power kernels + if (settings->usePowerKernel() && settings->isKernelConfigInstalled()) { + ui->actionSave->setEnabled(true); + //loading presets may cause overclocking - only enable it if overclokcing is enabled + if (settings->useOverclocking()) { + ui->actionLoad->setEnabled(true); + } + } - // enable auto rotation - setAutoRotaion(); + //display the correct minimum frequency + calculateMinFreq(); - //create a QGraphicsScene for the little chip icon - scene = new QGraphicsScene(); + //applies the settings from the settings dialog + applySettings(); + + //initialize orientation orientationChanged(); - //create the refresh timer - refreshTimer = new QTimer(); //refresh UI every 10 seconds - refreshTimer->start( 10000 ); + refreshTimer.start( 10000 ); + + // initialize stackable help window + #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( ui->freq_adjust, SIGNAL(sliderReleased()), this, SLOT(adjustFreq()) ); + connect(ui->freq_adjust, SIGNAL(valueChanged(int)), this, SLOT(showTemporaryMaxFreq())); connect(QApplication::desktop(), SIGNAL(resized(int)), this, SLOT(orientationChanged())); - connect( ui->sr_btn, SIGNAL(clicked()), this, SLOT(setSmartReflex()) ); - connect(refreshTimer, SIGNAL(timeout()), this, SLOT(refresh())); + connect(ui->sr_box, SIGNAL(clicked()), this, SLOT(setSmartReflex())); + connect(&refreshTimer, SIGNAL(timeout()), this, SLOT(refresh())); + connect(ui->actionSave, SIGNAL(triggered()), this, SLOT(save())); + connect(ui->actionLoad, SIGNAL(triggered()), loadPresetDialog, SLOT(show())); + connect(ui->actionSettings, SIGNAL(triggered()), this, SLOT(showSettings())); + connect(settings, SIGNAL(settingsChanged()), this, SLOT(applySettings())); + connect(loadPresetDialog, SIGNAL(load(QString)), this, SLOT(loadPreset(QString))); } MainWindow::~MainWindow() { + delete loadPresetDialog; + delete settings; delete ui; - delete scene; } @@ -73,7 +117,7 @@ MainWindow::~MainWindow() */ void MainWindow::about() { - QMessageBox::about(this, APPNAME " " APPVERSION, "

© 2010 Daniel Klaffenbach

" ); + QMessageBox::about(this, APPNAME " " APPVERSION, "

© 2011 Daniel Klaffenbach

" ); refresh(); } @@ -84,16 +128,122 @@ 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(); + max.setNum( newmax ); + //check for overclocking + #if defined(Q_WS_MAEMO_5) + if (!settings->useOverclocking() && newmax > 600000) { + QMaemo5InformationBox::information(this, tr( "You need to enable overclocking in QCPUFreq's settings in order to set frequencies above 600MHz!"), 0); + refresh(); + return; + } + #endif + + //check for 599MHz <-> 600MHz problem on power kernels + if (max == "600000" && settings->usePowerKernel()) { + //we really need to set the maximum to 599MHz + max = "599000"; + } + + if (settings->useConfirmation()) { + QMessageBox box; + #if defined(Q_WS_MAEMO_5) + box.setAttribute(Qt::WA_Maemo5AutoOrientation, settings->useAutoRotate()); + #endif + box.setStandardButtons(QMessageBox::Apply | QMessageBox::Cancel); + box.setDefaultButton(QMessageBox::Apply); + box.setIcon(QMessageBox::Question); + QString verboseMax; + verboseMax.setNum( newmax/1000 ); + box.setText( tr("Do you really want to use %1 MHz as the new maximum frequency?").arg(verboseMax) ); + int ret = box.exec(); + + if (ret != QMessageBox::Apply) { + refresh(); + return; + } + } + callHelper( "set_maxfreq", max ); + refresh(); + +} + + +/** + * SLOT: applies the settings from the Settings dialog. + */ +void MainWindow::applySettings() +{ + setAutoRotation(); + setAdvancedTemperature(); + + //if overclocking is/was enabled we can also enable the "Load preset" option + if (settings->useOverclocking() && settings->usePowerKernel() && settings->isKernelConfigInstalled()) { + ui->actionLoad->setEnabled(true); + } else { + ui->actionLoad->setEnabled(false); + } + //refresh the GUI after applying the settings refresh(); } /** + * Calculates the minimum frequency according to scaling_min_freq and avoid_frequencies. + * + * Since this is a somewhat complex calculation it sould only be performed when it is + * really necessary (on startup, after loading presets, etc.). + */ +void MainWindow::calculateMinFreq() +{ + 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(); + } + file.close(); +} + + +/** * Calls the QCPUFreq helper script with "sudo action param" * * @param action : the action of the helper script @@ -102,24 +252,27 @@ void MainWindow::adjustFreq() */ 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( "/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 ); arguments.append( param ); - helper.execute( "sudo", arguments ); + helperProcess.start( "sudo", arguments, QIODevice::NotOpen ); - return helper.exitCode(); + if ( showSudoError && !helperProcess.waitForFinished( 2000 )) { + //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(); } @@ -129,7 +282,33 @@ int MainWindow::callHelper(QString action, QString param) 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" ); + //! The string containing the value of the temperature + QString tstring; + + //check if we can read a more accurate temperature (only for power kernel) + if (file.exists()) { + //this only works on kernel-power > 46 + tstring = readSysFile( "class/power_supply/bq27200-0/temp" ); + return tstring.left(tstring.length()-1) + " " + 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 + 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" ); } @@ -150,8 +329,7 @@ int MainWindow::getMaxFreq() */ int MainWindow::getMinFreq() { - QString tmp = readSysFile( "devices/system/cpu/cpu0/cpufreq/scaling_min_freq" ); - return tmp.toInt(); + return this->minFreq; } @@ -160,23 +338,20 @@ 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() { @@ -186,26 +361,25 @@ 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; } @@ -220,17 +394,43 @@ 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 ); + return 0; #endif } /** + * Loads a voltage preset by calling kernel-config. + * + * Available presets are: + * - default + * - ideal + * - lv + * - ulv + * - xlv + * - custom -> any preset named "custom" + */ +void MainWindow::loadPreset(QString presetName) +{ + #if defined(Q_WS_MAEMO_5) + callHelper("loadpreset", presetName); + calculateMinFreq(); + QMaemo5InformationBox::information(this, tr( "The preset was loaded." ), QMaemo5InformationBox::DefaultTimeout); + refresh(); + #endif +} + + +/** * Reads any file in /sys/ * * \param sys_file : full path to sys file - omit "/sys/" @@ -250,6 +450,9 @@ QString MainWindow::readSysFile(QString sys_file) QTextStream in( &file ); QString txt = in.readLine(); + //close the file + file.close(); + return txt; } @@ -280,18 +483,15 @@ void MainWindow::refresh() //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 ui->freq_adjust->setMinimum( 1 ); ui->freq_adjust->setMaximum( getScalingSteps() ); - ui->freq_adjust->setInvertedAppearance( true ); ui->freq_adjust->setSliderPosition( getScalingStep(getMaxFreq()) ); - - //ui->retranslateUi(this); } @@ -304,33 +504,60 @@ 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" ); - this->scene->clear(); - this->scene->addPixmap( image ); - - ui->graphicsPortrait->setScene( this->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" ); - this->scene->clear(); - this->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 ); + } +} + + +/** + * Saves the current maximim frequency as default (only on power kernel). + */ +void MainWindow::save() +{ + if (settings->usePowerKernel()) { + callHelper( "save", "null" ); + #if defined(Q_WS_MAEMO_5) + QMaemo5InformationBox::information(this, tr( "The current frequency settings have been saved as default." ), QMaemo5InformationBox::DefaultTimeout); + #endif + } +} - ui->graphicsLandscape->setScene( this->scene ); - ui->graphicsLandscape->setMaximumSize( 128, 128 ); - ui->graphicsPortrait->setMaximumSize( 0, 0 ); + +/** + * Checks the settings if the "bq27x00_battery" needs to be loaded. + */ +void MainWindow::setAdvancedTemperature() +{ + if (settings->usePowerKernel() && settings->useAdvancedTemperature()) { + callHelper( "load_bq27", "null" ); } } /** - * Enables the auto-rotation feature of Maemo5 devices + * Enables or disables the auto-rotation feature of Maemo5 devices. */ -void MainWindow::setAutoRotaion() +void MainWindow::setAutoRotation() { #if defined(Q_WS_MAEMO_5) - setAttribute(Qt::WA_Maemo5AutoOrientation, true); + setAttribute(Qt::WA_Maemo5AutoOrientation, settings->useAutoRotate()); + loadPresetDialog->setAttribute(Qt::WA_Maemo5AutoOrientation, settings->useAutoRotate()); + settings->setAttribute(Qt::WA_Maemo5AutoOrientation, settings->useAutoRotate()); #endif } @@ -343,10 +570,10 @@ 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 @@ -356,13 +583,48 @@ void MainWindow::setSmartReflex() /** + * SLOT: display the help window + */ +void MainWindow::showHelp() +{ + helpWindow.show(); +} + + +/** + * SLOT: displays the settings widget + */ +void MainWindow::showSettings() +{ + settings->reset(); + settings->show(); +} + + +/** + * SLOT: This temporarily updates the maximum frequency while using the + * maxFreq slider. + */ +void MainWindow::showTemporaryMaxFreq() +{ + //calulate frequency from slider position + int newmax = getScalingFreq( ui->freq_adjust->sliderPosition() ) / 1000; + //convert it to a string and display it in the UI + QString display; + display.setNum( newmax ); + display.append( " MHz" ); + ui->freq_max->setText( display ); +} + + +/** * 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; }