Initial implementation of theming

YACReaderLibrary/empty_special_list.h

@@ -7,7 +7,25 @@
 class EmptySpecialListWidget : public EmptyContainerInfo
 {
 public:
+    enum SpecialListType {
+        None,
+        Favorites,
+        Reading,
+        Recent
+    };
+
     EmptySpecialListWidget(QWidget *parent = nullptr);
+
+    void showFavorites();
+    void showReading();
+    void showRecent();
+
+protected:
+    void applyTheme(const Theme &theme) override;
+
+private:
+    void updateIcon();
+    SpecialListType currentType = None;
 };
 
 #endif // EMPTY_SPECIAL_LIST_H