Ensure viewpages will have focus. To choose a focused widget inside it,

a viewpage should override void focusInEvent( QFocusEvent* ).

src/libcalamaresui/ViewManager.cpp

@@ -122,6 +122,7 @@ ViewManager::insertViewStep( int before, ViewStep* step)
     } );
 
     m_stack->setCurrentIndex( 0 );
+    step->widget()->setFocus();
 }