added colon emote popup for ffz and bttv

src/widgets/listview/GenericItemDelegate.cpp

@@ -0,0 +1,48 @@
+#include "widgets/dialogs/switcher/GenericItemDelegate.hpp"
+
+#include "widgets/dialogs/switcher/AbstractSwitcherItem.hpp"
+
+namespace chatterino {
+
+SwitcherItemDelegate::SwitcherItemDelegate(QObject *parent)
+    : QStyledItemDelegate(parent)
+{
+}
+
+SwitcherItemDelegate::~SwitcherItemDelegate()
+{
+}
+
+void SwitcherItemDelegate::paint(QPainter *painter,
+                                 const QStyleOptionViewItem &option,
+                                 const QModelIndex &index) const
+{
+    auto *item = AbstractSwitcherItem::fromVariant(index.data());
+
+    if (item)
+    {
+        if (option.state & QStyle::State_Selected)
+            painter->fillRect(option.rect, option.palette.highlight());
+
+        item->paint(painter, option.rect);
+    }
+    else
+    {
+        QStyledItemDelegate::paint(painter, option, index);
+    }
+}
+
+QSize SwitcherItemDelegate::sizeHint(const QStyleOptionViewItem &option,
+                                     const QModelIndex &index) const
+{
+    auto *item = AbstractSwitcherItem::fromVariant(index.data());
+
+    if (item)
+    {
+        return item->sizeHint(option.rect);
+    }
+
+    return QStyledItemDelegate::sizeHint(option, index);
+}
+
+}  // namespace chatterino