Better Nextion Diplays

* better looking fonts
* DMR talker alias is shown (in green) if received
* font is automaticly  adapted when TA would be too long for display
* DMR ID, call or TA (depending on what was shown) goes to gray at voice end
* "MMDVM stopped" at rest screen when MMDVMHost application is ended
* active network interface and IP address on rest screen so you know how to contact it

Network.cpp

@@ -0,0 +1,94 @@
+/*
+ *   Copyright (C) 2017 by Lieven De Samblanx ON7LDS
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include "Network.h"
+#include "Log.h"
+
+#include <cstdio>
+#include <cassert>
+#include <cstring>
+#include <ctime>
+#include <clocale>
+
+#include <sys/types.h>
+#include <ifaddrs.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <netdb.h>
+
+
+void CNetworkInfo::getNetworkInterface(unsigned char* info)
+{
+#define IFLISTSIZ 25
+
+        LogInfo("Interfaces Info");
+        struct ifaddrs *ifaddr, *ifa;
+        int family, s, n, ifnr;
+        char host[NI_MAXHOST];
+        char text[50+INET6_ADDRSTRLEN];
+        char interfacelist[IFLISTSIZ][50+INET6_ADDRSTRLEN];
+        char *p;
+
+        strcpy(text,"(interface lookup failed)");
+        for(n=0;n<IFLISTSIZ;n++) {
+            interfacelist[n][0]=0;
+        }
+        ifnr=0;
+
+        if (getifaddrs(&ifaddr) == -1) {
+            strcpy((char*)info,"getifaddrs failure");
+        } else {
+            for (ifa = ifaddr, n = 0; ifa != NULL; ifa = ifa->ifa_next, n++) {
+               if (ifa->ifa_addr == NULL)
+                   continue;
+
+                family = ifa->ifa_addr->sa_family;
+
+                if (family == AF_INET || family == AF_INET6) {
+                    s = getnameinfo(ifa->ifa_addr,
+                        (family == AF_INET) ? sizeof(struct sockaddr_in) :
+                                              sizeof(struct sockaddr_in6),
+                        host, NI_MAXHOST,
+                        NULL, 0, NI_NUMERICHOST);
+                    if (s != 0) {
+                        LogInfo("getnameinfo() failed: %s\n", gai_strerror(s));
+                        continue;
+                    }
+                    if (family == AF_INET) {
+                        sprintf(interfacelist[ifnr], "%s: %s", ifa->ifa_name,host);
+                        LogInfo("    IPv4: %s", interfacelist[ifnr] );
+                    } else {
+                        sprintf(interfacelist[ifnr], "%s: %s", ifa->ifa_name,host);
+                        LogInfo("    IPv6: %s", interfacelist[ifnr] );
+                    }
+                    ifnr++;
+                }
+            }
+            freeifaddrs(ifaddr);
+            for(n=0;n<(ifnr);n++) {
+                p=strchr(interfacelist[n],'%');
+                if (p!=NULL) *p=0;
+                if (strstr(interfacelist[n],"lo")==NULL) {
+                    strcpy((char*)info,interfacelist[n]);
+                    break;
+                }
+            }
+            LogInfo("    IP to show: %s", info );
+        }
+}
+

Network.h

@@ -0,0 +1,31 @@
+/*
+ *   Copyright (C) 2017 by Lieven De Samblanx ON7LDS
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#if !defined(NETWORK_H)
+#define	NETWORK_H
+
+
+class CNetworkInfo {
+public:
+
+	void getNetworkInterface(unsigned char* info);
+
+
+};
+
+#endif