File _service:tar_git:09_pr.patch of Package nload

From 3ae6110b648011d226526f1a5aca7708d0d03e15 Mon Sep 17 00:00:00 2001
From: PB <3854688+uno20001@users.noreply.github.com>
Date: Tue, 10 Mar 2020 08:39:49 +0100
Subject: [PATCH] circular navigation in traffic_window

implement circular navigation for interfaces in traffic_window
---
 src/traffic_window.cpp | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/traffic_window.cpp b/src/traffic_window.cpp
index 004d420..014cc7a 100644
--- a/src/traffic_window.cpp
+++ b/src/traffic_window.cpp
@@ -61,8 +61,11 @@ void TrafficWindow::printTraffic(const vector<DeviceView*>& deviceViews)
     if(deviceViews.empty())
         return;
 
-    if((unsigned int) m_curDev >= deviceViews.size() || m_curDev < 0)
-        m_curDev = 0;
+    if(m_curDev < 0)
+        m_curDev = (int)deviceViews.size() + (m_curDev % (int)deviceViews.size());
+
+    if(m_curDev >= (int)deviceViews.size())
+        m_curDev %= (int)deviceViews.size();
 
     // print data of the current device(s)
     if(!showMultipleDevices())