/*
* QCPUFreq - a simple cpufreq GUI
- * Copyright (C) 2010 Daniel Klaffenbach <daniel.klaffenbach@cs.tu-chemnitz.de>
+ * Copyright (C) 2010-11 Daniel Klaffenbach <danielklaffenbach@gmail.com>
*
* 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
#endif
#define APPNAME "QCPUFreq"
-#define APPVERSION "0.3.3"
+#define APPVERSION "0.4.3"
+
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
helpWindow( this ),
- //set minFreq to 0
- minFreq(0),
//create UI refresh timer
refreshTimer( this ),
//create a QGraphicsScene for the little chip icon
- scene( this ),
- //show errors about the sudo setup only once
- showSudoError( true )
+ scene( this )
{
//this is a stacked window on Maemo 5
#if defined(Q_WS_MAEMO_5)
ui->setupUi(this);
- refresh();
+ //Settings widget
+ settings = new Settings;
+ settings->hide();
- // enable auto rotation
- setAutoRotation();
+ //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);
+ }
+ }
+
+ //display the correct minimum frequency
+ calculateMinFreq();
+
+ //applies the settings from the settings dialog
+ applySettings();
//initialize orientation
orientationChanged();
#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_box, SIGNAL(clicked()), this, SLOT(setSmartReflex()));
connect(&refreshTimer, SIGNAL(timeout()), this, SLOT(refresh()));
- connect(ui->actionOverclocking, SIGNAL(toggled(bool)), this, SLOT(setOverclocking()));
-
- //disable overclocking button on vanilla kernels
- if ( getScalingFreq(0) <= 600000 ) {
- ui->actionOverclocking->setDisabled(true);
- }
+ 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;
}
*/
void MainWindow::about()
{
- QMessageBox::about(this, APPNAME " " APPVERSION, "<p style=\"align:center;\">© 2010 Daniel Klaffenbach</p>" );
+ QMessageBox::about(this, APPNAME " " APPVERSION, "<p style=\"align:center;\">© 2011 Daniel Klaffenbach</p>" );
refresh();
}
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
//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);
+ 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
helperProcess.start( "sudo", arguments, QIODevice::NotOpen );
- if ( showSudoError && !helperProcess.waitForFinished( 400 )) {
+ 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!"));
*/
int MainWindow::getMinFreq()
{
- if (this->minFreq == 0) {
- 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>0; --i) {
- if (!avoidList.contains(min.setNum( getScalingFreq(i) ))) {
- this->minFreq = min.toInt();
- return this->minFreq;
- }
- }
-
- //should not happen at all
- this->minFreq = 125000;
- return this->minFreq;
- } else {
- this->minFreq = min.toInt();
- return this->minFreq;
- }
- } else {
- return this->minFreq;
- }
+ return this->minFreq;
}
*/
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();
}
*/
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;
}
*/
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;
}
/**
+ * 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/"
//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);
}
/**
- * Enables the auto-rotation feature of Maemo5 devices
+ * Saves the current maximim frequency as default (only on power kernel).
*/
-void MainWindow::setAutoRotation()
+void MainWindow::save()
{
-#if defined(Q_WS_MAEMO_5)
- setAttribute(Qt::WA_Maemo5AutoOrientation, true);
-#endif
+ 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
+ }
}
/**
- * SLOT: enable/disable overclocking.
+ * Checks the settings if the "bq27x00_battery" needs to be loaded.
*/
-void MainWindow::setOverclocking()
+void MainWindow::setAdvancedTemperature()
{
- 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;
+ if (settings->usePowerKernel() && settings->useAdvancedTemperature()) {
+ callHelper( "load_bq27", "null" );
}
}
/**
+ * Enables or disables the auto-rotation feature of Maemo5 devices.
+ */
+void MainWindow::setAutoRotation()
+{
+#if defined(Q_WS_MAEMO_5)
+ setAttribute(Qt::WA_Maemo5AutoOrientation, settings->useAutoRotate());
+ loadPresetDialog->setAttribute(Qt::WA_Maemo5AutoOrientation, settings->useAutoRotate());
+ settings->setAttribute(Qt::WA_Maemo5AutoOrientation, settings->useAutoRotate());
+#endif
+}
+
+
+/**
* SLOT: Enables or disables Smart Reflex(tm) after pressing sr_btn
*/
void MainWindow::setSmartReflex()
if ( getSmartReflexState() == 1 )
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::information(this, tr( "SmartReflex support is known to be unstable on some devices and may cause random reboots." ), 0);
callHelper( "set_sr", "on");
}
/**
+ * 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()