[plasmalnf] Enable translations

- Move tool-running to the view-step
 - Enable translations by showing name instead of theme-id
 - More verbose logging

src/modules/plasmalnf/PlasmaLnfPage.cpp

@@ -34,16 +34,19 @@
 #include <QButtonGroup>
 #include <QDesktopServices>
 #include <QLabel>
-#include <QProcess>
 
-static QStringList plasma_themes()
+static PlasmaLnfList plasma_themes()
 {
-    QStringList packages;
+    PlasmaLnfList packages;
 
     QList<KPluginMetaData> pkgs = KPackage::PackageLoader::self()->listPackages("Plasma/LookAndFeel");
 
     for (const KPluginMetaData &data : pkgs) {
-        packages << data.pluginId();
+        packages << PlasmaLnfDescriptor{ data.pluginId(), data.name() };
+        cDebug() << "LNF Package" << data.pluginId();
+        cDebug() << "  .." << data.name();
+        cDebug() << "  .." << data.description();
+        cDebug() << "  .." << 'V' << data.isValid() << 'H' << data.isHidden() << 'D' << data.isEnabledByDefault();
     }
 
     return packages;
@@ -60,36 +63,28 @@ PlasmaLnfPage::PlasmaLnfPage(QWidget *parent)
     CALAMARES_RETRANSLATE(
         ui->retranslateUi( this );
         ui->generalExplanation->setText( tr( "Please choose a look-and-feel for the KDE Plasma Desktop, below." ) );
+        m_availableLnf = plasma_themes();
+        ui->lnfCombo->clear();
+        for ( const auto& p : m_availableLnf )
+            ui->lnfCombo->addItem( p.name );
     )
 
-    ui->lnfCombo->addItems( plasma_themes() );
 
-    QObject::connect<void(QComboBox::*)(const QString&)>(ui->lnfCombo, &QComboBox::activated, this, &PlasmaLnfPage::activated);
+    QObject::connect<void(QComboBox::*)(int)>(ui->lnfCombo, &QComboBox::activated, this, &PlasmaLnfPage::activated);
 }
 
 void
-PlasmaLnfPage::activated(const QString& name)
+PlasmaLnfPage::activated( int index )
 {
-    cDebug() << "Changed to" << name;
-
-    QProcess lnftool;
-    lnftool.start( m_lnfPath, {"--resetLayout", "--apply", name} );
-
-    if ( !lnftool.waitForStarted( 1000 ) )
-    {
-        cDebug() << "WARNING: could not start look-and-feel" << m_lnfPath;
-        return;
-    }
-    if ( !lnftool.waitForFinished() )
+    if ( (index < 0) || (index > m_availableLnf.length()) )
     {
-        cDebug() << "WARNING:" << m_lnfPath << "timed out.";
+        cDebug() << "Plasma LNF index" << index << "out of range.";
         return;
     }
 
-    if ( (lnftool.exitCode() == 0) && (lnftool.exitStatus() == QProcess::NormalExit ) )
-        emit plasmaThemeSelected( name );
-    else
-        cDebug() << "WARNING: could not apply look-and-feel" << name;
+    const PlasmaLnfDescriptor& lnf = m_availableLnf.at( index );
+    cDebug() << "Changed to" << index << lnf.id << lnf.name;
+    emit plasmaThemeSelected( lnf.id );
 }
 
 void

src/modules/plasmalnf/PlasmaLnfPage.h

@@ -27,6 +27,14 @@ namespace Ui
 class PlasmaLnfPage;
 }
 
+struct PlasmaLnfDescriptor
+{
+    QString id;
+    QString name;
+} ;
+
+using PlasmaLnfList = QList<PlasmaLnfDescriptor>;
+
 class PlasmaLnfPage : public QWidget
 {
     Q_OBJECT
@@ -36,14 +44,15 @@ public:
     void setLnfPath( const QString& path );
 
 public slots:
-    void activated(const QString& name);
+    void activated( int index );
 
 signals:
-    void plasmaThemeSelected( const QString &id );
+    void plasmaThemeSelected( const QString& id );
 
 private:
     Ui::PlasmaLnfPage* ui;
     QString m_lnfPath;
+    PlasmaLnfList m_availableLnf;
 };
 
 #endif //PLASMALNFPAGE_H

src/modules/plasmalnf/PlasmaLnfViewStep.cpp

@@ -27,6 +27,7 @@
 #include "PlasmaLnfViewStep.h"
 
 #include <QDesktopServices>
+#include <QProcess>
 #include <QVariantMap>
 
 CALAMARES_PLUGIN_FACTORY_DEFINITION( PlasmaLnfViewStepFactory, registerPlugin<PlasmaLnfViewStep>(); )
@@ -137,4 +138,23 @@ void
 PlasmaLnfViewStep::themeSelected( const QString& id )
 {
     m_themeId = id;
+
+    QProcess lnftool;
+    lnftool.start( m_lnfPath, {"--resetLayout", "--apply", id} );
+
+    if ( !lnftool.waitForStarted( 1000 ) )
+    {
+        cDebug() << "WARNING: could not start look-and-feel" << m_lnfPath;
+        return;
+    }
+    if ( !lnftool.waitForFinished() )
+    {
+        cDebug() << "WARNING:" << m_lnfPath << "timed out.";
+        return;
+    }
+
+    if ( (lnftool.exitCode() == 0) && (lnftool.exitStatus() == QProcess::NormalExit ) )
+        cDebug() << "Plasma look-and-feel applied" << id;
+    else
+        cDebug() << "WARNING: could not apply look-and-feel" << id;
 }