added colon emote popup for ffz and bttv

src/widgets/listview/GenericListModel.hpp

@@ -0,0 +1,49 @@
+#include "widgets/listview/GenericListItem.hpp"
+
+namespace chatterino {
+
+class GenericListModel : public QAbstractListModel
+{
+public:
+    GenericListModel(QWidget *parent = nullptr);
+
+    /**
+     * @brief   Reimplements QAbstractItemModel::rowCount.
+     *
+     * @return  number of items currrently present in this model
+     */
+    int rowCount(const QModelIndex &parent = QModelIndex()) const;
+
+    /**
+     * @brief   Reimplements QAbstractItemModel::data. Currently, the role parameter
+     *          is not used and an GenericListItem * is always returned.
+     *
+     * @param   index   index of item to fetch data from
+     * @param   role    (not used)
+     *
+     * @return  GenericListItem * (wrapped as QVariant) at index
+     */
+    QVariant data(const QModelIndex &index, int role) const;
+
+    /**
+     * @brief   Add an item to this QuickSwitcherModel. It will be displayed in
+     *          attached views.
+     *
+     *          NOTE: The model will take ownership of the pointer. In particular,
+     *          the same item should not be passed to multiple QuickSwitcherModels.
+     *
+     * @param   item    item to add to the model
+     */
+    void addItem(std::unique_ptr<GenericListItem> item);
+
+    /**
+     * @brief   Clears this QuickSwitcherModel of all items. This will delete all
+     *          GenericListItems added after the last invokation of
+     *          QuickSwitcherModel::clear (and invalidate their pointers).
+     */
+    void clear();
+
+private:
+    std::vector<std::unique_ptr<GenericListItem>> items_;
+};
+}  // namespace chatterino