move charlist selection with arrows

modules/mainmenu/entergame.lua

@@ -26,6 +26,17 @@ local function createCharactersWindow(characters, premDays)
   local charactersList = charactersWindow:getChildById('charactersList')
   local accountStatusLabel = charactersWindow:getChildById('accountStatusLabel')
 
+  function charactersWindow:onKeyPress(keyCode, keyChar, keyboardModifiers)
+    if keyboardModifiers == KeyboardNoModifier then
+      if keyCode == KeyUp or keyCode == KeyTab then
+        charactersList:focusPreviousChild(ActiveFocusReason)
+      elseif keyCode == KeyDown then
+        charactersList:focusNextChild(ActiveFocusReason)
+      end
+    end
+    return false
+  end
+
   for i,characterInfo in ipairs(characters) do
     local characterName = characterInfo[1]
     local worldName = characterInfo[2]

src/framework/luascript/luafunctions.cpp

@@ -69,6 +69,8 @@ void LuaInterface::registerFunctions()
     g_lua.bindClassMemberFunction<UIWidget>("removeChild", &UIWidget::removeChild);
     g_lua.bindClassMemberFunction<UIWidget>("addChild", &UIWidget::addChild);
     g_lua.bindClassMemberFunction<UIWidget>("focusChild", &UIWidget::focusChild);
+    g_lua.bindClassMemberFunction<UIWidget>("focusNextChild", &UIWidget::focusNextChild);
+    g_lua.bindClassMemberFunction<UIWidget>("focusPreviousChild", &UIWidget::focusPreviousChild);
     g_lua.bindClassMemberFunction<UIWidget>("lockChild", &UIWidget::lockChild);
     g_lua.bindClassMemberFunction<UIWidget>("updateLayout", &UIWidget::updateLayout);
     g_lua.bindClassMemberFunction<UIWidget>("updateParentLayout", &UIWidget::updateParentLayout);

src/framework/ui/uiwidget.cpp

@@ -410,6 +410,32 @@ void UIWidget::focusNextChild(Fw::FocusReason reason)
         focusChild(toFocus, reason);
 }
 
+void UIWidget::focusPreviousChild(Fw::FocusReason reason)
+{
+    UIWidgetPtr toFocus;
+    UIWidgetList rotatedChildren(m_children);
+    std::reverse(m_children.begin(), m_children.end());
+
+    if(m_focusedChild) {
+        auto focusedIt = std::find(rotatedChildren.begin(), rotatedChildren.end(), m_focusedChild);
+        if(focusedIt != rotatedChildren.end()) {
+            std::rotate(rotatedChildren.begin(), focusedIt, rotatedChildren.end());
+            rotatedChildren.pop_front();
+        }
+    }
+
+    // finds next child to focus
+    for(const UIWidgetPtr& child : rotatedChildren) {
+        if(child->isFocusable()) {
+            toFocus = child;
+            break;
+        }
+    }
+
+    if(toFocus)
+        focusChild(toFocus, reason);
+}
+
 void UIWidget::moveChildToTop(const UIWidgetPtr& child)
 {
     if(!child)

src/framework/ui/uiwidget.h

@@ -128,6 +128,7 @@ public:
     void removeChild(const UIWidgetPtr& child);
     void focusChild(const UIWidgetPtr& child, Fw::FocusReason reason);
     void focusNextChild(Fw::FocusReason reason);
+    void focusPreviousChild(Fw::FocusReason reason);
     void moveChildToTop(const UIWidgetPtr& child);
     void lockChild(const UIWidgetPtr& child);
     void unlockChild(const UIWidgetPtr& child);