added search popup

src/widgets/helper/searchpopup.hpp

@@ -0,0 +1,31 @@
+#pragma once
+
+#include <memory>
+
+#include "messages/limitedqueuesnapshot.hpp"
+#include "messages/message.hpp"
+#include "widgets/basewidget.hpp"
+
+class QLineEdit;
+namespace chatterino {
+class Channel;
+namespace widgets {
+class ChannelView;
+
+class SearchPopup : public BaseWidget
+{
+public:
+    SearchPopup();
+
+    void setChannel(std::shared_ptr<Channel> channel);
+
+private:
+    messages::LimitedQueueSnapshot<messages::SharedMessage> snapshot;
+    QLineEdit *searchInput;
+    ChannelView *channelView;
+
+    void initLayout();
+    void performSearch();
+};
+}
+}