/*
* QCPUFreq - a simple cpufreq GUI
- * Copyright (C) 2010 Daniel Klaffenbach <daniel.klaffenbach@cs.tu-chemnitz.de>
+ * Copyright (C) 2010 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 "0.3.4"
MainWindow::MainWindow(QWidget *parent) :
QMainWindow(parent),
helperProcess( this ),
//create a new, stackable help window
helpWindow( this ),
- //set minFreq to 0
- minFreq(0),
- //are we using a power kernel?
- powerKernel(false),
//create UI refresh timer
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 )
{
ui->setupUi(this);
+ init();
refresh();
// enable auto rotation
#endif
helpWindow.setWindowFlags( windowFlags() | Qt::Window );
+ settings.hide();
+
//connect signals and slots
connect(ui->actionHelp, SIGNAL(triggered()), this, SLOT(showHelp()));
connect( ui->actionAbout, SIGNAL(triggered()), this, SLOT(about()) );
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()));
- //check if we are running on a power kernel
- if ( getScalingFreq(0) > 600000 ) {
- powerKernel = true;
- } else {
- powerKernel = false;
- }
-
//disable overclocking button on vanilla kernels
if (!powerKernel) {
ui->actionOverclocking->setDisabled(true);
*/
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;
}
/**
+ * 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/"
//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);
/**
+ * SLOT: displays the settings widget
+ */
+void MainWindow::showSettings()
+{
+ settings.setWindowFlags(Qt::Popup);
+ settings.show();
+}
+
+
+/**
* Returns true when the device is in portrait mode
*/
bool MainWindow::usePortrait()
projects / qcpufreq / blobdiff