gui: create GUIUtil::NetworkToQString() utility function

src/qt/guiutil.cpp

@@ -749,6 +749,21 @@ QString boostPathToQString(const fs::path &path)
     return QString::fromStdString(path.string());
 }
 
+QString NetworkToQString(Network net)
+{
+    switch (net) {
+    case NET_UNROUTABLE: return QObject::tr("Unroutable");
+    case NET_IPV4: return "IPv4";
+    case NET_IPV6: return "IPv6";
+    case NET_ONION: return "Onion";
+    case NET_I2P: return "I2P";
+    case NET_CJDNS: return "CJDNS";
+    case NET_INTERNAL: return QObject::tr("Internal");
+    case NET_MAX: assert(false);
+    } // no default case, so the compiler can warn about missing cases
+    assert(false);
+}
+
 QString formatDurationStr(int secs)
 {
     QStringList strList;

src/qt/guiutil.h

@@ -7,6 +7,7 @@
 
 #include <amount.h>
 #include <fs.h>
+#include <netaddress.h>
 
 #include <QEvent>
 #include <QHeaderView>
@@ -224,6 +225,9 @@ namespace GUIUtil
     /* Convert OS specific boost path to QString through UTF-8 */
     QString boostPathToQString(const fs::path &path);
 
+    /** Convert enum Network to QString */
+    QString NetworkToQString(Network net);
+
     /* Convert seconds into a QString with days, hours, mins, secs */
     QString formatDurationStr(int secs);