added colon emote popup for ffz and bttv

src/widgets/listview/GenericItemDelegate.hpp

@@ -0,0 +1,22 @@
+#pragma once
+
+#include <QStyledItemDelegate>
+
+namespace chatterino {
+
+class SwitcherItemDelegate : public QStyledItemDelegate
+{
+    Q_OBJECT
+
+public:
+    SwitcherItemDelegate(QObject *parent = nullptr);
+    ~SwitcherItemDelegate();
+
+    void paint(QPainter *painter, const QStyleOptionViewItem &option,
+               const QModelIndex &index) const override;
+
+    QSize sizeHint(const QStyleOptionViewItem &option,
+                   const QModelIndex &index) const override;
+};
+
+}  // namespace chatterino