Only show save option if "kernel-config" is installed

[qcpufreq] / src / mainwindow.cpp

diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
index 5b0193a..fa0cd97 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 "0.4.0"
 
 
 MainWindow::MainWindow(QWidget *parent) :
@@ -54,12 +54,11 @@ MainWindow::MainWindow(QWidget *parent) :
     settings = new Settings;
     settings->hide();
 
+    init();
+
     //applies the settings from the settings dialog
     applySettings();
 
-    init();
-    refresh();
-
     //initialize orientation
     orientationChanged();
 
@@ -82,6 +81,7 @@ 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->actionSettings, SIGNAL(triggered()), this, SLOT(showSettings()));
     connect(settings, SIGNAL(settingsChanged()), this, SLOT(applySettings()));
 
@@ -133,6 +133,12 @@ void MainWindow::adjustFreq()
     }
     #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";
+    }
+
     callHelper( "set_maxfreq", max );
 
     refresh();
@@ -146,6 +152,9 @@ void MainWindow::applySettings()
 {
     setAutoRotation();
     setAdvancedTemperature();
+
+    //refresh the GUI after applying the settings
+    refresh();
 }
 
 
@@ -347,6 +356,16 @@ void MainWindow::init()
     } else {
         this->minFreq = min.toInt();
     }
+
+    //enable save 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);
+        }
+    }
 }
 
 
@@ -445,6 +464,20 @@ 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()