Add preliminary version of a new data visualization idea in the

sniffer window.

re/sniffer/SnifferDelegate.h

@@ -0,0 +1,24 @@
+#ifndef SNIFFERDELEGATE_H
+#define SNIFFERDELEGATE_H
+
+#include <QItemDelegate>
+
+class SnifferDelegate : public QItemDelegate
+{
+    Q_OBJECT
+public:
+    explicit SnifferDelegate(QWidget *parent = nullptr);
+    void paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const;
+    QSize sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const;
+
+signals:
+
+public slots:
+
+private:
+    QBrush blackBrush, whiteBrush;//, redBrush, greenBrush, grayBrush;
+    QFont mainFont;
+    QFontInfo* mainFontInfo;
+};
+
+#endif