[keyboard] Refactor findLegacyKeymap into something testable

src/modules/keyboard/SetKeyboardLayoutJob.cpp

@@ -79,8 +79,8 @@ SetKeyboardLayoutJob::findConvertedKeymap( const QString& convertedKeymapPath )
 }
 
 
-QString
-SetKeyboardLayoutJob::findLegacyKeymap() const
+STATICTEST QString
+findLegacyKeymap( const QString& layout, const QString& model, const QString& variant )
 {
     cDebug() << "Looking for legacy keymap in QRC";
 
@@ -109,20 +109,20 @@ SetKeyboardLayoutJob::findLegacyKeymap() const
         // Determine how well matching this entry is
         // We assume here that we have one X11 layout. If the UI changes to
         // allow more than one layout, this should change too.
-        if ( m_layout == mapping[ 1 ] )
+        if ( layout == mapping[ 1 ] )
         // If we got an exact match, this is best
         {
             matching = 10;
         }
         // Look for an entry whose first layout matches ours
-        else if ( mapping[ 1 ].startsWith( m_layout + ',' ) )
+        else if ( mapping[ 1 ].startsWith( layout + ',' ) )
         {
             matching = 5;
         }
 
         if ( matching > 0 )
         {
-            if ( m_model.isEmpty() || m_model == mapping[ 2 ] )
+            if ( model.isEmpty() || model == mapping[ 2 ] )
             {
                 matching++;
             }
@@ -137,7 +137,7 @@ SetKeyboardLayoutJob::findLegacyKeymap() const
                 mappingVariant.remove( 1, 0 );
             }
 
-            if ( m_variant == mappingVariant )
+            if ( variant == mappingVariant )
             {
                 matching++;
             }
@@ -162,6 +162,12 @@ SetKeyboardLayoutJob::findLegacyKeymap() const
     return name;
 }
 
+QString
+SetKeyboardLayoutJob::findLegacyKeymap() const
+{
+    return ::findLegacyKeymap( m_layout, m_model, m_variant );
+}
+
 
 bool
 SetKeyboardLayoutJob::writeVConsoleData( const QString& vconsoleConfPath, const QString& convertedKeymapPath ) const