/*
* QCPUFreq - a simple cpufreq GUI
- * Copyright (C) 2010 Daniel Klaffenbach <danielklaffenbach@gmail.com>
+ * 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 "0.4.2"
+#define APPVERSION "0.4.4"
MainWindow::MainWindow(QWidget *parent) :
loadPresetDialog = new LoadPreset;
loadPresetDialog->hide();
- init();
+ //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();
//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()));
*/
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();
}
max = "599000";
}
- callHelper( "set_maxfreq", max );
+ 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();
+
}
/**
+ * 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
{
#if defined(Q_WS_MAEMO_5)
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())
- return QString( readSysFile( "class/power_supply/bq27200-0/temp" ) + " " + QString::fromUtf8("\302\260") + "C" );
- else {
+ 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
- QString tstring = readSysFile( "devices/platform/omap34xx_temp/temp1_input_raw" );
+ tstring = readSysFile( "devices/platform/omap34xx_temp/temp1_input_raw" );
if (tstring == "0")
return tr( "Unknown" );
/**
- * Initializes internal variables, such as:
- * - scalingSteps
- * - scalingFrequencies
- * - minFreq
- */
-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();
- }
- file.close();
-
- //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);
- }
- }
-}
-
-
-/**
* Loads a voltage preset by calling kernel-config.
*
* Available presets are:
{
#if defined(Q_WS_MAEMO_5)
callHelper("loadpreset", presetName);
+ calculateMinFreq();
QMaemo5InformationBox::information(this, tr( "The preset was loaded." ), QMaemo5InformationBox::DefaultTimeout);
+ refresh();
#endif
}
/**
+ * 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()