Add option for loading voltage presets on power kernels

[qcpufreq] / src / mainwindow.cpp

diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
index 518c7e1..fd09327 100644 (file)
--- a/src/mainwindow.cpp
+++ b/src/mainwindow.cpp
@@ -28,7 +28,7 @@
 #endif
 
 #define APPNAME "QCPUFreq"
-#define APPVERSION "0.3.99"
+#define APPVERSION "0.4.1"
 
 
 MainWindow::MainWindow(QWidget *parent) :
@@ -81,6 +81,8 @@ 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->actionSave, SIGNAL(triggered()), this, SLOT(save()));
+    connect(ui->actionLoad, SIGNAL(triggered()), this, SLOT(loadPreset()));
     connect(ui->actionSettings, SIGNAL(triggered()), this, SLOT(showSettings()));
     connect(settings, SIGNAL(settingsChanged()), this, SLOT(applySettings()));
 
@@ -180,7 +182,7 @@ int MainWindow::callHelper(QString action, QString param)
 
     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!"));
@@ -355,6 +357,35 @@ void MainWindow::init()
     } else {
         this->minFreq = min.toInt();
     }
+
+    //enable save and load option on power kernels
+    if (settings->usePowerKernel()) {
+        //only enable save if /usr/sbin/kernel-config is present
+        file.close();
+        file.setFileName("/usr/sbin/kernel-config");
+        if (file.exists()) {
+            ui->actionSave->setEnabled(true);
+            ui->actionLoad->setEnabled(true);
+        }
+    }
+}
+
+
+/**
+  * Loads a voltage preset by calling kernel-config.
+  *
+  * Available presets are:
+  *  - default
+  *  - ideal
+  *  - lv
+  *  - ulv
+  *  - xlv
+  *  - starving
+  *  - custom -> any preset named "custom"
+  */
+void MainWindow::loadPreset()
+{
+    return;
 }
 
 
@@ -453,6 +484,20 @@ void MainWindow::orientationChanged()
 
 
 /**
+  * 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
+    }
+}
+
+
+/**
   * Checks the settings if the "bq27x00_battery" needs to be loaded.
   */
 void MainWindow::setAdvancedTemperature()
@@ -470,6 +515,7 @@ void MainWindow::setAutoRotation()
 {
 #if defined(Q_WS_MAEMO_5)
     setAttribute(Qt::WA_Maemo5AutoOrientation, settings->useAutoRotate());
+    settings->setAttribute(Qt::WA_Maemo5AutoOrientation, settings->useAutoRotate());
 #endif
 }