[packagechooser] Add *packageNames* to package items

This is prep-work for connecting to the *packages* module by
simply installing packages straight from packagechooser, rather
than using a workaround.

src/modules/packagechooser/PackageModel.cpp

@@ -34,9 +34,7 @@ packageChooserModeNames()
 
 PackageItem::PackageItem() {}
 
-PackageItem::PackageItem( const QString& a_id,
-                          const QString& a_name,
-                          const QString& a_description )
+PackageItem::PackageItem( const QString& a_id, const QString& a_name, const QString& a_description )
     : id( a_id )
     , name( a_name )
     , description( a_description )
@@ -59,6 +57,7 @@ PackageItem::PackageItem::PackageItem( const QVariantMap& item_map )
     , name( CalamaresUtils::Locale::TranslatedString( item_map, "name" ) )
     , description( CalamaresUtils::Locale::TranslatedString( item_map, "description" ) )
     , screenshot( CalamaresUtils::getString( item_map, "screenshot" ) )
+    , packageNames( CalamaresUtils::getStringList( item_map, "packages" ) )
 {
     if ( name.isEmpty() && id.isEmpty() )
     {

src/modules/packagechooser/PackageModel.h

@@ -34,6 +34,7 @@ struct PackageItem
     CalamaresUtils::Locale::TranslatedString name;
     CalamaresUtils::Locale::TranslatedString description;
     QPixmap screenshot;
+    QStringList packageNames;
 
     /// @brief Create blank PackageItem
     PackageItem();
@@ -50,16 +51,21 @@ struct PackageItem
      * @p screenshotPath, which may be a QRC path (:/path/in/qrc) or
      * a filesystem path, whatever QPixmap understands.
      */
-    PackageItem( const QString& id,
-                 const QString& name,
-                 const QString& description,
-                 const QString& screenshotPath );
+    PackageItem( const QString& id, const QString& name, const QString& description, const QString& screenshotPath );
 
     /** @brief Creates a PackageItem from a QVariantMap
      *
      * This is intended for use when loading PackageItems from a
      * configuration map. It will look up the various keys in the map
      * and handle translation strings as well.
+     *
+     * The following keys are used:
+     *  - *id*: the identifier for this item; if it is the empty string
+     *    then this is the special "no-package".
+     *  - *name* (and *name[lang]*): for the name and its translations
+     *  - *description* (and *description[lang]*)
+     *  - *screenshot*: a path to a screenshot for this package
+     *  - *packages*: a list of package names
      */
     PackageItem( const QVariantMap& map );