UI|Home: Working on Home keyboard navigation

Todo: Event handling while in menus still needs work.
skyjake · Aug 2, 2016 · 2982511 · 2982511
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commit 2982511
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diff --git a/doomsday/apps/client/include/ui/widgets/homeitemwidget.h b/doomsday/apps/client/include/ui/widgets/homeitemwidget.h
@@ -69,6 +69,7 @@ class HomeItemWidget : public de::GuiWidget, public de::IAssetGroup
     HomeMenuWidget *parentMenu();
 
     // Events.
+    bool handleEvent(de::Event const &event) override;
     void focusGained() override;
     void focusLost() override;
 

diff --git a/doomsday/apps/client/src/ui/widgets/homeitemwidget.cpp b/doomsday/apps/client/src/ui/widgets/homeitemwidget.cpp
@@ -335,6 +335,22 @@ HomeMenuWidget *HomeItemWidget::parentMenu()
     return parentWidget()->maybeAs<HomeMenuWidget>();
 }
 
+bool HomeItemWidget::handleEvent(Event const &event)
+{
+    if (hasFocus() && event.isKey())
+    {
+        auto const &key = event.as<KeyEvent>();
+        if (key.ddKey() == DDKEY_LEFTARROW || key.ddKey() == DDKEY_RIGHTARROW ||
+            key.ddKey() == DDKEY_UPARROW   || key.ddKey() == DDKEY_DOWNARROW)
+        {
+            // Fall back to menu and HomeWidget for navigation.
+            return false;
+        }
+    }
+
+    return GuiWidget::handleEvent(event);
+}
+
 void HomeItemWidget::focusGained()
 {
     setSelected(true);