[packagechooserq] Apply renaming also to distro-visible code

- The distro-visible key is renamed *pkgc* to *packageChoice*
- Read *packageChoice* only if there are no items to use

src/modules/packagechooser/Config.cpp

@@ -204,7 +204,6 @@ Config::setConfigurationMap( const QVariantMap& configurationMap )
                                              PackageChooserMode::Required );
     m_method = PackageChooserMethodNames().find( CalamaresUtils::getString( configurationMap, "method" ),
                                                  PackageChooserMethod::Legacy );
-    setPackageChoice( CalamaresUtils::getString( configurationMap, "pkgc" ) );
 
     if ( m_method == PackageChooserMethod::Legacy )
     {
@@ -233,7 +232,6 @@ Config::setConfigurationMap( const QVariantMap& configurationMap )
     if ( configurationMap.contains( "items" ) )
     {
         fillModel( m_model, configurationMap.value( "items" ).toList() );
-    }
 
         QString default_item_id = CalamaresUtils::getString( configurationMap, "default" );
         if ( !default_item_id.isEmpty() )
@@ -251,3 +249,8 @@ Config::setConfigurationMap( const QVariantMap& configurationMap )
             }
         }
     }
+    else
+    {
+        setPackageChoice( CalamaresUtils::getString( configurationMap, "packageChoice" ) );
+    }
+}

src/modules/packagechooserq/packagechooserq.conf

@@ -45,6 +45,12 @@ method: legacy
 #
 # id: ""
 
-# The *pkgc* is used for setting the default selection in the QML view
+# The *packageChoice* value is used for setting the default selection
-pkgc: libreoffice
+# in the QML view; this should match one of the keys used in the QML
+# module for package names.
+#
+# (e.g. the sample QML uses "no_office_suite", "minimal_install" and
+# "libreoffice" as possible choices).
+#
+packageChoice: libreoffice
 

src/modules/packagechooserq/packagechooserq.qml

@@ -84,8 +84,8 @@ Item {
                             print("L not used")
                         }
                         else {
-                            config.pkgc = "libreoffice"
+                            config.packageChoice = "libreoffice"
-                            print( config.pkgc )
+                            print( config.packageChoice )
                         }
                     }
                 }
@@ -152,7 +152,7 @@ Item {
                         }
                         else {
                             print("No Office Suite")
-                            config.pkgc = "no_office_suite"
+                            config.packageChoice = "no_office_suite"
                         }
                     }
                 }
@@ -220,7 +220,7 @@ Item {
                         }
                         else {
                             print("minimal")
-                            config.pkgc = "minimal_install"
+                            config.packageChoice = "minimal_install"
                         }
                     }
                 }