Allow to change player name in kart selection with keyboard or gamepad.

Currently spinner widgets use select button instead of left/right buttons to change values, so that we can't handle player confirmation when spinner is hovered.

src/guiengine/widgets/player_kart_widget.cpp

@@ -743,8 +743,9 @@ const std::string& PlayerKartWidget::getKartInternalName() const
 /** \brief Event callback from ISpinnerConfirmListener */
 EventPropagation PlayerKartWidget::onSpinnerConfirmed()
 {
-    KartSelectionScreen::getRunningInstance()->playerConfirm(m_player_id);
-    return EVENT_BLOCK;
+    //KartSelectionScreen::getRunningInstance()->playerConfirm(m_player_id);
+    //return EVENT_BLOCK;
+    return EVENT_LET;
 }   // onSpinnerConfirmed
 
 // -------------------------------------------------------------------------

src/states_screens/kart_selection.cpp

@@ -559,8 +559,8 @@ bool KartSelectionScreen::joinPlayer(InputDevice* device, PlayerProfile* p)
     // we need to select something for them
     w->setSelection(new_player_id, new_player_id, true);
 
-    newPlayerWidget->m_player_ident_spinner
-                   ->setFocusForPlayer(new_player_id);
+    //newPlayerWidget->m_player_ident_spinner
+    //               ->setFocusForPlayer(new_player_id);
 
     if (!m_multiplayer)
     {