OP-232 gcs configuration: Override configuration on comand line

git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@2725 ebee16cc-31ac-478f-84a7-5cbb03baadba

ground/openpilotgcs/src/app/main.cpp

@@ -55,7 +55,8 @@ static const char *fixedOptionsC =
 "Options:\n"
 "    -help               Display this help\n"
 "    -version            Display program version\n"
-"    -client             Attempt to connect to already running instance\n";
+"    -client             Attempt to connect to already running instance\n"
+"    -D key=value        Override preference e.g: -D General/OverrideLanguage=de\n";
 
 static const char *HELP_OPTION1 = "-h";
 static const char *HELP_OPTION2 = "-help";
@@ -63,6 +64,7 @@ static const char *HELP_OPTION3 = "/h";
 static const char *HELP_OPTION4 = "--help";
 static const char *VERSION_OPTION = "-version";
 static const char *CLIENT_OPTION = "-client";
+static const char *SETTING_OPTION = "-D";
 
 typedef QList<ExtensionSystem::PluginSpec *> PluginSpecSet;
 
@@ -198,6 +200,27 @@ static inline QStringList getPluginPaths()
 #  define SHARE_PATH "/../share/openpilotgcs"
 #endif
 
+static void overrideSettings(QSettings &settings, int argc, char **argv){
+
+    QMap<QString, QString> settingOptions;
+    // Options like -DMy/setting=test
+    QRegExp rx("([^=]+)=(.*)");
+
+    int i = 0;
+    while( i < argc ){
+        if ( QString("-D").compare(QString(argv[i++])) == 0 ){
+            if ( rx.indexIn(argv[i]) > -1 ){
+                settingOptions.insert(rx.cap(1), rx.cap(2));
+            }
+        }
+    }
+    QList<QString> keys = settingOptions.keys();
+    foreach ( QString key, keys ){
+        settings.setValue(key, settingOptions.value(key));
+    }
+    settings.sync();
+}
+
 int main(int argc, char **argv)
 {
 #ifdef Q_OS_MAC
@@ -210,18 +233,20 @@ int main(int argc, char **argv)
 
     SharedTools::QtSingleApplication app((QLatin1String(appNameC)), argc, argv);
 
-    QTranslator translator;
-    QTranslator qtTranslator;
     QString locale = QLocale::system().name();
 
     // Must be done before any QSettings class is created
     QSettings::setPath(QSettings::IniFormat, QSettings::SystemScope,
             QCoreApplication::applicationDirPath()+QLatin1String(SHARE_PATH));
     // keep this in sync with the MainWindow ctor in coreplugin/mainwindow.cpp
-    const QSettings settings(QSettings::IniFormat, QSettings::UserScope,
+    QSettings settings(QSettings::IniFormat, QSettings::UserScope,
                                  QLatin1String("OpenPilot"), QLatin1String("OpenPilotGCS"));
+
+    overrideSettings(settings, argc, argv);
     locale = settings.value("General/OverrideLanguage", locale).toString();
 
+    QTranslator translator;
+    QTranslator qtTranslator;
 
     const QString &creatorTrPath = QCoreApplication::applicationDirPath()
                                    + QLatin1String(SHARE_PATH "/translations");
@@ -230,13 +255,13 @@ int main(int argc, char **argv)
         const QString &qtTrFile = QLatin1String("qt_") + locale;
         // Binary installer puts Qt tr files into creatorTrPath
         if (qtTranslator.load(qtTrFile, qtTrPath) || qtTranslator.load(qtTrFile, creatorTrPath)) {
-            app.installTranslator(&translator);
-            app.installTranslator(&qtTranslator);
-            app.setProperty("qtc_locale", locale);
+            QCoreApplication::installTranslator(&translator);
+            QCoreApplication::installTranslator(&qtTranslator);
         } else {
             translator.load(QString()); // unload()
         }
     }
+    app.setProperty("qtc_locale", locale); // Do we need this?
 
     // Load
     ExtensionSystem::PluginManager pluginManager;
@@ -255,6 +280,7 @@ int main(int argc, char **argv)
         appOptions.insert(QLatin1String(HELP_OPTION4), false);
         appOptions.insert(QLatin1String(VERSION_OPTION), false);
         appOptions.insert(QLatin1String(CLIENT_OPTION), false);
+        appOptions.insert(QLatin1String(SETTING_OPTION), true);
         QString errorMessage;
         if (!pluginManager.parseOptions(arguments,
                                         appOptions,
@@ -329,4 +355,3 @@ int main(int argc, char **argv)
     QTimer::singleShot(100, &pluginManager, SLOT(startTests()));
     return app.exec();
 }
-

ground/openpilotgcs/src/plugins/coreplugin/generalsettings.cpp

@@ -111,8 +111,6 @@ QWidget *GeneralSettings::createPage(QWidget *parent)
     QWidget *w = new QWidget(parent);
     m_page->setupUi(w);
 
-    /* TODO: Clean this: settings not used, Core::ICore::instance()->settings() shouldn't be used, since not externally configurable */
-    QSettings* settings = Core::ICore::instance()->settings();
     fillLanguageBox();
 
     m_page->colorButton->setColor(StyleHelper::baseColor());
@@ -156,6 +154,26 @@ void GeneralSettings::finish()
     delete m_page;
 }
 
+void GeneralSettings::readSettings(QSettings* qs)
+{
+    qs->beginGroup(QLatin1String("General"));
+    m_language = qs->value(QLatin1String("OverrideLanguage"),QLocale::system().name()).toString();
+    qs->endGroup();
+
+}
+
+void GeneralSettings::saveSettings(QSettings* qs)
+{
+    qs->beginGroup(QLatin1String("General"));
+
+    if (m_language.isEmpty())
+        qs->remove(QLatin1String("OverrideLanguage"));
+    else
+        qs->setValue(QLatin1String("OverrideLanguage"), m_language);
+
+    qs->endGroup();
+}
+
 void GeneralSettings::resetInterfaceColor()
 {
     m_page->colorButton->setColor(0x666666);
@@ -200,20 +218,15 @@ void GeneralSettings::resetLanguage()
 
 QString GeneralSettings::language() const
 {
-    QSettings* settings = Core::ICore::instance()->settings();
-    return settings->value(QLatin1String("General/OverrideLanguage")).toString();
+    return m_language;
 }
 
 void GeneralSettings::setLanguage(const QString &locale)
 {
-    QSettings* settings = Core::ICore::instance()->settings();
-    if (settings->value(QLatin1String("General/OverrideLanguage")).toString() != locale)
+    if (m_language != locale)
     {
         QMessageBox::information((QWidget*)Core::ICore::instance()->mainWindow(), tr("Restart required"),
                                  tr("The language change will take effect after a restart of the OpenPilot GCS."));
+        m_language = locale;
     }
-    if (locale.isEmpty())
-        settings->remove(QLatin1String("General/OverrideLanguage"));
-    else
-        settings->setValue(QLatin1String("General/OverrideLanguage"), locale);
 }

ground/openpilotgcs/src/plugins/coreplugin/generalsettings.h

@@ -32,6 +32,7 @@
 #include <coreplugin/dialogs/ioptionspage.h>
 #include <QtCore/QPointer>
 #include <QtGui/QWidget>
+#include <QSettings>
 
 namespace Core {
 namespace Internal {
@@ -54,6 +55,8 @@ public:
     QWidget* createPage(QWidget *parent);
     void apply();
     void finish();
+    void readSettings(QSettings* qs);
+    void saveSettings(QSettings* qs);
 
 private slots:
     void resetInterfaceColor();
@@ -69,6 +72,7 @@ private:
     QString language() const;
     void setLanguage(const QString&);
     Ui::GeneralSettings *m_page;
+    QString m_language;
     QPointer<QWidget> m_dialog;
     QList<QTextCodec *> m_codecs;
 

ground/openpilotgcs/src/plugins/coreplugin/mainwindow.cpp

@@ -1009,6 +1009,7 @@ void MainWindow::readSettings(QSettings* qs)
         qs = m_settings;
     }
 
+    m_generalSettings->readSettings(qs);
     m_actionManager->readSettings(qs);
 
     qs->beginGroup(QLatin1String(settingsGroup));
@@ -1069,6 +1070,7 @@ void MainWindow::saveSettings(QSettings* qs)
 
     m_viewManager->saveSettings(qs);
     m_actionManager->saveSettings(qs);
+    m_generalSettings->saveSettings(qs);
 
 }