]> git.street.me.uk Git - andy/viking.git/blobdiff - src/vikgpslayer.c
[QA] Remove uneeded compatibility
[andy/viking.git] / src / vikgpslayer.c
index a9d03a2da49f4e2821c806cf640d8f59510b6fb0..499593cec50e90f110953ff74c8f39f79375e2a5 100644 (file)
@@ -2,6 +2,7 @@
  * viking -- GPS Data and Topo Analyzer, Explorer, and Manager
  *
  * Copyright (C) 2003-2005, Evan Battaglia <gtoevan@gmx.net>
+ * Copyright (C) 2006-2008, Quy Tonthat <qtonthat@gmail.com>
  *
  * 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
 #include "icons/icons.h"
 #include "babel.h"
 
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
 #ifdef HAVE_STRING_H
 #include <string.h>
 #endif
-#include <glib.h>
+#include <glib/gstdio.h>
 #include <glib/gprintf.h>
 #include <glib/gi18n.h>
 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
 #include <gps.h>
 #endif
 
-#if ! GLIB_CHECK_VERSION(2,14,0)
-inline guint g_timeout_add_seconds(guint interval, GSourceFunc function, gpointer data) {
-  return g_timeout_add(interval*1000, function, data);
-}
-#endif
-
 #define DISCONNECT_UPDATE_SIGNAL(vl, val) g_signal_handlers_disconnect_matched(vl, G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, val)
 static VikGpsLayer *vik_gps_layer_create (VikViewport *vp);
 static void vik_gps_layer_realize ( VikGpsLayer *val, VikTreeview *vt, GtkTreeIter *layer_iter );
@@ -56,8 +54,10 @@ static VikGpsLayer *vik_gps_layer_new ( VikViewport *vp );
 
 static void gps_layer_marshall( VikGpsLayer *val, guint8 **data, gint *len );
 static VikGpsLayer *gps_layer_unmarshall( guint8 *data, gint len, VikViewport *vvp );
-static gboolean gps_layer_set_param ( VikGpsLayer *vgl, guint16 id, VikLayerParamData data, VikViewport *vp );
-static VikLayerParamData gps_layer_get_param ( VikGpsLayer *vgl, guint16 id );
+static gboolean gps_layer_set_param ( VikGpsLayer *vgl, guint16 id, VikLayerParamData data, VikViewport *vp, gboolean is_file_operation );
+static VikLayerParamData gps_layer_get_param ( VikGpsLayer *vgl, guint16 id, gboolean is_file_operation );
+
+static const gchar* gps_layer_tooltip ( VikGpsLayer *vgl );
 
 static void gps_layer_change_coord_mode ( VikGpsLayer *val, VikCoordMode mode );
 static void gps_layer_add_menu_items( VikGpsLayer *vtl, GtkMenu *menu, gpointer vlp );
@@ -68,21 +68,25 @@ static void gps_download_cb( gpointer layer_and_vlp[2] );
 static void gps_empty_upload_cb( gpointer layer_and_vlp[2] );
 static void gps_empty_download_cb( gpointer layer_and_vlp[2] );
 static void gps_empty_all_cb( gpointer layer_and_vlp[2] );
-#ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
+#if defined (VIK_CONFIG_REALTIME_GPS_TRACKING) && defined (GPSD_API_MAJOR_VERSION)
+static void gps_empty_realtime_cb( gpointer layer_and_vlp[2] );
 static void gps_start_stop_tracking_cb( gpointer layer_and_vlp[2] );
 static void realtime_tracking_draw(VikGpsLayer *vgl, VikViewport *vp);
+static void rt_gpsd_disconnect(VikGpsLayer *vgl);
+static gboolean rt_gpsd_connect(VikGpsLayer *vgl, gboolean ask_if_failed);
 #endif
 
-typedef enum {GARMIN_P = 0, MAGELLAN_P, NUM_PROTOCOLS} vik_gps_proto;
-static gchar * params_protocols[] = {"Garmin", "Magellan", NULL};
-static gchar * protocols_args[]   = {"garmin", "magellan"};
-/*#define NUM_PROTOCOLS (sizeof(params_protocols)/sizeof(params_protocols[0]) - 1) */
+// Shouldn't need to use these much any more as the protocol is now saved as a string.
+// They are kept for compatibility loading old .vik files
+typedef enum {GARMIN_P = 0, MAGELLAN_P, DELORME_P, NAVILINK_P, OLD_NUM_PROTOCOLS} vik_gps_proto;
+static gchar * protocols_args[]   = {"garmin", "magellan", "delbin", "navilink", NULL};
 #ifdef WINDOWS
 static gchar * params_ports[] = {"com1", "usb:", NULL};
 #else
 static gchar * params_ports[] = {"/dev/ttyS0", "/dev/ttyS1", "/dev/ttyUSB0", "/dev/ttyUSB1", "usb:", NULL};
 #endif
-#define NUM_PORTS (sizeof(params_ports)/sizeof(params_ports[0]) - 1)
+/* NUM_PORTS not actually used */
+/* #define NUM_PORTS (sizeof(params_ports)/sizeof(params_ports[0]) - 1) */
 /* Compatibility with previous versions */
 #ifdef WINDOWS
 static gchar * old_params_ports[] = {"com1", "usb:", NULL};
@@ -90,18 +94,18 @@ static gchar * old_params_ports[] = {"com1", "usb:", NULL};
 static gchar * old_params_ports[] = {"/dev/ttyS0", "/dev/ttyS1", "/dev/ttyUSB0", "/dev/ttyUSB1", "usb:", NULL};
 #endif
 #define OLD_NUM_PORTS (sizeof(old_params_ports)/sizeof(old_params_ports[0]) - 1)
-typedef enum {GPS_DOWN=0, GPS_UP} gps_dir;
 
 typedef struct {
   GMutex *mutex;
-  gps_dir direction;
+  vik_gps_dir direction;
   gchar *port;
   gboolean ok;
   gint total_count;
   gint count;
   VikTrwLayer *vtl;
+  VikTrack *track;
   gchar *cmd_args;
-  gchar * window_title;
+  gchar *window_title;
   GtkWidget *dialog;
   GtkWidget *status_label;
   GtkWidget *gps_label;
@@ -110,19 +114,23 @@ typedef struct {
   GtkWidget *wp_label;
   GtkWidget *progress_label;
   GtkWidget *trk_label;
+  VikViewport *vvp;
+#if defined (VIK_CONFIG_REALTIME_GPS_TRACKING) && defined (GPSD_API_MAJOR_VERSION)
+  gboolean realtime_tracking;
+#endif
 } GpsSession;
 static void gps_session_delete(GpsSession *sess);
 
 static gchar *params_groups[] = {
   "Data Mode",
-#ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
+#if defined (VIK_CONFIG_REALTIME_GPS_TRACKING) && defined (GPSD_API_MAJOR_VERSION)
   "Realtime Tracking Mode",
 #endif
 };
 
 enum {GROUP_DATA_MODE, GROUP_REALTIME_MODE};
 
-#ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
+#if defined (VIK_CONFIG_REALTIME_GPS_TRACKING) && defined (GPSD_API_MAJOR_VERSION)
 static gchar *params_vehicle_position[] = {
   "Keep vehicle at center",
   "Keep vehicle on screen",
@@ -137,10 +145,13 @@ enum {
 #endif
 
 static VikLayerParam gps_layer_params[] = {
-  { "gps_protocol", VIK_LAYER_PARAM_UINT, GROUP_DATA_MODE, N_("GPS Protocol:"), VIK_LAYER_WIDGET_COMBOBOX, params_protocols, NULL},
+  { "gps_protocol", VIK_LAYER_PARAM_STRING, GROUP_DATA_MODE, N_("GPS Protocol:"), VIK_LAYER_WIDGET_COMBOBOX, NULL, NULL}, // List now assigned at runtime
   { "gps_port", VIK_LAYER_PARAM_STRING, GROUP_DATA_MODE, N_("Serial Port:"), VIK_LAYER_WIDGET_COMBOBOX, params_ports, NULL},
-
-#ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
+  { "gps_download_tracks", VIK_LAYER_PARAM_BOOLEAN, GROUP_DATA_MODE, N_("Download Tracks:"), VIK_LAYER_WIDGET_CHECKBUTTON, NULL, NULL},
+  { "gps_upload_tracks", VIK_LAYER_PARAM_BOOLEAN, GROUP_DATA_MODE, N_("Upload Tracks:"), VIK_LAYER_WIDGET_CHECKBUTTON, NULL, NULL},
+  { "gps_download_waypoints", VIK_LAYER_PARAM_BOOLEAN, GROUP_DATA_MODE, N_("Download Waypoints:"), VIK_LAYER_WIDGET_CHECKBUTTON, NULL, NULL},
+  { "gps_upload_waypoints", VIK_LAYER_PARAM_BOOLEAN, GROUP_DATA_MODE, N_("Upload Waypoints:"), VIK_LAYER_WIDGET_CHECKBUTTON, NULL, NULL},
+#if defined (VIK_CONFIG_REALTIME_GPS_TRACKING) && defined (GPSD_API_MAJOR_VERSION)
   { "record_tracking", VIK_LAYER_PARAM_BOOLEAN, GROUP_REALTIME_MODE, N_("Recording tracks"), VIK_LAYER_WIDGET_CHECKBUTTON},
   { "center_start_tracking", VIK_LAYER_PARAM_BOOLEAN, GROUP_REALTIME_MODE, N_("Jump to current position on start"), VIK_LAYER_WIDGET_CHECKBUTTON},
   { "moving_map_method", VIK_LAYER_PARAM_UINT, GROUP_REALTIME_MODE, N_("Moving Map Method:"), VIK_LAYER_WIDGET_RADIOGROUP_STATIC, params_vehicle_position, NULL},
@@ -151,13 +162,17 @@ static VikLayerParam gps_layer_params[] = {
 };
 enum {
   PARAM_PROTOCOL=0, PARAM_PORT,
-#ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
+  PARAM_DOWNLOAD_TRACKS, PARAM_UPLOAD_TRACKS,
+  PARAM_DOWNLOAD_WAYPOINTS, PARAM_UPLOAD_WAYPOINTS,
+#if defined (VIK_CONFIG_REALTIME_GPS_TRACKING) && defined (GPSD_API_MAJOR_VERSION)
   PARAM_REALTIME_REC, PARAM_REALTIME_CENTER_START, PARAM_VEHICLE_POSITION, PARAM_GPSD_HOST, PARAM_GPSD_PORT, PARAM_GPSD_RETRY_INTERVAL,
 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
   NUM_PARAMS};
 
 VikLayerInterface vik_gps_layer_interface = {
   "GPS",
+  N_("GPS"),
+  NULL,
   &vikgpslayer_pixbuf,
 
   NULL,
@@ -168,7 +183,7 @@ VikLayerInterface vik_gps_layer_interface = {
   params_groups,
   sizeof(params_groups)/sizeof(params_groups[0]),
 
-  VIK_MENU_ITEM_ALL & ~(VIK_MENU_ITEM_CUT|VIK_MENU_ITEM_COPY),
+  VIK_MENU_ITEM_ALL,
 
   (VikLayerFuncCreate)                  vik_gps_layer_create,
   (VikLayerFuncRealize)                 vik_gps_layer_realize,
@@ -187,6 +202,9 @@ VikLayerInterface vik_gps_layer_interface = {
 
   (VikLayerFuncSublayerRenameRequest)   NULL,
   (VikLayerFuncSublayerToggleVisible)   NULL,
+  (VikLayerFuncSublayerTooltip)         NULL,
+  (VikLayerFuncLayerTooltip)            gps_layer_tooltip,
+  (VikLayerFuncLayerSelected)           NULL,
 
   (VikLayerFuncMarshall)               gps_layer_marshall,
   (VikLayerFuncUnmarshall)             gps_layer_unmarshall,
@@ -198,25 +216,31 @@ VikLayerInterface vik_gps_layer_interface = {
   (VikLayerFuncWriteFileData)           NULL,
 
   (VikLayerFuncDeleteItem)              NULL,
+  (VikLayerFuncCutItem)                 NULL,
   (VikLayerFuncCopyItem)                NULL,
   (VikLayerFuncPasteItem)               NULL,
   (VikLayerFuncFreeCopiedItem)          NULL,
   (VikLayerFuncDragDropRequest)                gps_layer_drag_drop_request,
+
+  (VikLayerFuncSelectClick)             NULL,
+  (VikLayerFuncSelectMove)              NULL,
+  (VikLayerFuncSelectRelease)           NULL,
+  (VikLayerFuncSelectedViewportMenu)    NULL,
 };
 
 enum {TRW_DOWNLOAD=0, TRW_UPLOAD,
-#ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
+#if defined (VIK_CONFIG_REALTIME_GPS_TRACKING) && defined (GPSD_API_MAJOR_VERSION)
   TRW_REALTIME,
 #endif
   NUM_TRW};
 static gchar * trw_names[] = {
   N_("GPS Download"), N_("GPS Upload"),
-#ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
+#if defined (VIK_CONFIG_REALTIME_GPS_TRACKING) && defined (GPSD_API_MAJOR_VERSION)
   N_("GPS Realtime Tracking"),
 #endif
 };
 
-#ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
+#if defined (VIK_CONFIG_REALTIME_GPS_TRACKING) && defined (GPSD_API_MAJOR_VERSION)
 typedef struct {
   struct gps_data_t gpsd;
   VikGpsLayer *vgl;
@@ -234,7 +258,7 @@ struct _VikGpsLayer {
   VikTrwLayer * trw_children[NUM_TRW];
   GList * children;    /* used only for writing file */
   int cur_read_child;   /* used only for reading file */
-#ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
+#if defined (VIK_CONFIG_REALTIME_GPS_TRACKING) && defined (GPSD_API_MAJOR_VERSION)
   VglGpsd *vgpsd;
   gboolean realtime_tracking;  /* set/reset only by the callback */
   gboolean first_realtime_trackpoint;
@@ -242,7 +266,6 @@ struct _VikGpsLayer {
   GpsFix last_fix;
 
   VikTrack *realtime_track;
-  gchar *realtime_track_name;
 
   GIOChannel *realtime_io_channel;
   guint realtime_io_watch_id;
@@ -261,10 +284,36 @@ struct _VikGpsLayer {
   gboolean realtime_jump_to_start;
   guint vehicle_position;
 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
-  guint protocol_id;
+  gchar *protocol;
   gchar *serial_port;
+  gboolean download_tracks;
+  gboolean download_waypoints;
+  gboolean upload_tracks;
+  gboolean upload_waypoints;
 };
 
+/**
+ * Overwrite the static setup with dynamically generated GPS Babel device list
+ */
+static void gps_layer_inst_init ( VikGpsLayer *self )
+{
+  gint new_proto = 0;
+  // +1 for luck (i.e the NULL terminator)
+  gchar **new_protocols = g_malloc(1 + g_list_length(a_babel_device_list)*sizeof(gpointer));
+
+  GList *gl = g_list_first ( a_babel_device_list );
+  while ( gl ) {
+    // should be using label property but use name for now
+    //  thus don't need to mess around converting label to name later on
+    new_protocols[new_proto++] = ((BabelDevice*)gl->data)->name;
+    gl = g_list_next ( gl );
+  }
+  new_protocols[new_proto] = NULL;
+
+  vik_gps_layer_interface.params[0].widget_data = new_protocols;
+  // assigned to [0] because this^ is the GPS protocol in the params list
+}
+
 GType vik_gps_layer_get_type ()
 {
   static GType val_type = 0;
@@ -281,7 +330,7 @@ GType vik_gps_layer_get_type ()
       NULL, /* class_data */
       sizeof (VikGpsLayer),
       0,
-      NULL /* instance init */
+      (GInstanceInitFunc) gps_layer_inst_init,
     };
     val_type = g_type_register_static ( VIK_LAYER_TYPE, "VikGpsLayer", &val_info, 0 );
   }
@@ -303,6 +352,11 @@ static VikGpsLayer *vik_gps_layer_create (VikViewport *vp)
   return rv;
 }
 
+static const gchar* gps_layer_tooltip ( VikGpsLayer *vgl )
+{
+  return vgl->protocol;
+}
+
 /* "Copy" */
 static void gps_layer_marshall( VikGpsLayer *vgl, guint8 **data, gint *datalen )
 {
@@ -367,21 +421,32 @@ static VikGpsLayer *gps_layer_unmarshall( guint8 *data, gint len, VikViewport *v
 #undef alm_next
 }
 
-static gboolean gps_layer_set_param ( VikGpsLayer *vgl, guint16 id, VikLayerParamData data, VikViewport *vp )
+static gboolean gps_layer_set_param ( VikGpsLayer *vgl, guint16 id, VikLayerParamData data, VikViewport *vp, gboolean is_file_operation )
 {
   switch ( id )
   {
     case PARAM_PROTOCOL:
-      if (data.u < NUM_PROTOCOLS)
-        vgl->protocol_id = data.u;
+      if (data.s) {
+        g_free(vgl->protocol);
+        // Backwards Compatibility: previous versions <v1.4 stored protocol as an array index
+        int index = data.s[0] - '0';
+        if (data.s[0] != '\0' &&
+            g_ascii_isdigit (data.s[0]) &&
+            data.s[1] == '\0' &&
+            index < OLD_NUM_PROTOCOLS)
+          // It is a single digit: activate compatibility
+          vgl->protocol = g_strdup(protocols_args[index]);
+        else
+          vgl->protocol = g_strdup(data.s);
+        g_debug("%s: %s", __FUNCTION__, vgl->protocol);
+      }
       else
         g_warning(_("Unknown GPS Protocol"));
       break;
     case PARAM_PORT:
-      if (data.s)
-{
+      if (data.s) {
         g_free(vgl->serial_port);
-        /* Compat: previous version stored serial_port as an array index */
+        // Backwards Compatibility: previous versions <v0.9.91 stored serial_port as an array index
         int index = data.s[0] - '0';
         if (data.s[0] != '\0' &&
             g_ascii_isdigit (data.s[0]) &&
@@ -391,12 +456,24 @@ static gboolean gps_layer_set_param ( VikGpsLayer *vgl, guint16 id, VikLayerPara
           vgl->serial_port = g_strdup(old_params_ports[index]);
         else
           vgl->serial_port = g_strdup(data.s);
-      g_debug("%s: %s", __FUNCTION__, vgl->serial_port);
-}
+        g_debug("%s: %s", __FUNCTION__, vgl->serial_port);
+      }
       else
         g_warning(_("Unknown serial port device"));
       break;
-#ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
+    case PARAM_DOWNLOAD_TRACKS:
+      vgl->download_tracks = data.b;
+      break;
+    case PARAM_UPLOAD_TRACKS:
+      vgl->upload_tracks = data.b;
+      break;
+    case PARAM_DOWNLOAD_WAYPOINTS:
+      vgl->download_waypoints = data.b;
+      break;
+    case PARAM_UPLOAD_WAYPOINTS:
+      vgl->upload_waypoints = data.b;
+      break;
+#if defined (VIK_CONFIG_REALTIME_GPS_TRACKING) && defined (GPSD_API_MAJOR_VERSION)
     case PARAM_GPSD_HOST:
       if (vgl->gpsd_host)
         g_free(vgl->gpsd_host);
@@ -427,19 +504,32 @@ static gboolean gps_layer_set_param ( VikGpsLayer *vgl, guint16 id, VikLayerPara
   return TRUE;
 }
 
-static VikLayerParamData gps_layer_get_param ( VikGpsLayer *vgl, guint16 id )
+static VikLayerParamData gps_layer_get_param ( VikGpsLayer *vgl, guint16 id, gboolean is_file_operation )
 {
   VikLayerParamData rv;
   switch ( id )
   {
     case PARAM_PROTOCOL:
-      rv.u = vgl->protocol_id;
+      rv.s = vgl->protocol;
+      g_debug("%s: %s", __FUNCTION__, rv.s);
       break;
     case PARAM_PORT:
       rv.s = vgl->serial_port;
       g_debug("%s: %s", __FUNCTION__, rv.s);
       break;
-#ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
+    case PARAM_DOWNLOAD_TRACKS:
+      rv.b = vgl->download_tracks;
+      break;
+    case PARAM_UPLOAD_TRACKS:
+      rv.b = vgl->upload_tracks;
+      break;
+    case PARAM_DOWNLOAD_WAYPOINTS:
+      rv.b = vgl->download_waypoints;
+      break;
+    case PARAM_UPLOAD_WAYPOINTS:
+      rv.b = vgl->upload_waypoints;
+      break;
+#if defined (VIK_CONFIG_REALTIME_GPS_TRACKING) && defined (GPSD_API_MAJOR_VERSION)
     case PARAM_GPSD_HOST:
       rv.s = vgl->gpsd_host ? vgl->gpsd_host : "";
       break;
@@ -470,14 +560,14 @@ VikGpsLayer *vik_gps_layer_new (VikViewport *vp)
 {
   gint i;
   VikGpsLayer *vgl = VIK_GPS_LAYER ( g_object_new ( VIK_GPS_LAYER_TYPE, NULL ) );
-  vik_layer_init ( VIK_LAYER(vgl), VIK_LAYER_GPS );
+  vik_layer_set_type ( VIK_LAYER(vgl), VIK_LAYER_GPS );
   for (i = 0; i < NUM_TRW; i++) {
     vgl->trw_children[i] = NULL;
   }
   vgl->children = NULL;
   vgl->cur_read_child = 0;
 
-#ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
+#if defined (VIK_CONFIG_REALTIME_GPS_TRACKING) && defined (GPSD_API_MAJOR_VERSION)
   vgl->realtime_tracking = FALSE;
   vgl->first_realtime_trackpoint = FALSE;
   vgl->vgpsd = NULL;
@@ -499,8 +589,27 @@ VikGpsLayer *vik_gps_layer_new (VikViewport *vp)
   vgl->vehicle_position = VEHICLE_POSITION_ON_SCREEN;
   vgl->gpsd_retry_interval = 10;
 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
-  vgl->protocol_id = 0;
+  vgl->protocol = g_strdup("garmin");
   vgl->serial_port = NULL;
+  vgl->download_tracks = TRUE;
+  vgl->download_waypoints = TRUE;
+  vgl->upload_tracks = TRUE;
+  vgl->upload_waypoints = TRUE;
+
+#ifndef WINDOWS
+  /* Attempt to auto set default USB serial port entry */
+  /* Ordered to make lowest device favourite if available */
+  if (g_access ("/dev/ttyUSB1", R_OK) == 0) {
+    if (vgl->serial_port != NULL)
+      g_free (vgl->serial_port);
+    vgl->serial_port = g_strdup ("/dev/ttyUSB1");
+  }
+  if (g_access ("/dev/ttyUSB0", R_OK) == 0) {
+    if (vgl->serial_port != NULL)
+      g_free (vgl->serial_port);
+    vgl->serial_port = g_strdup ("/dev/ttyUSB0");
+  }
+#endif
 
   return vgl;
 }
@@ -524,7 +633,7 @@ static void vik_gps_layer_draw ( VikGpsLayer *vgl, gpointer data )
     if (!vik_viewport_get_half_drawn( VIK_VIEWPORT(data)))
       vik_layer_draw ( vl, data );
   }
-#ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
+#if defined (VIK_CONFIG_REALTIME_GPS_TRACKING) && defined (GPSD_API_MAJOR_VERSION)
   if (vgl->realtime_tracking) {
     if (VIK_LAYER(vgl) == trigger) {
       if ( vik_viewport_get_half_drawn ( VIK_VIEWPORT(data) ) ) {
@@ -559,20 +668,26 @@ static void gps_layer_add_menu_items( VikGpsLayer *vgl, GtkMenu *menu, gpointer
   gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
   gtk_widget_show ( item );
 
-  item = gtk_menu_item_new_with_label ( _("Upload to GPS") );
+  /* Now with icons */
+  item = gtk_image_menu_item_new_with_mnemonic ( _("_Upload to GPS") );
+  gtk_image_menu_item_set_image ( (GtkImageMenuItem*)item, gtk_image_new_from_stock (GTK_STOCK_GO_UP, GTK_ICON_SIZE_MENU) );
   g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_upload_cb), pass_along );
   gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
   gtk_widget_show ( item );
 
-  item = gtk_menu_item_new_with_label ( _("Download from GPS") );
+  item = gtk_image_menu_item_new_with_mnemonic ( _("Download from _GPS") );
+  gtk_image_menu_item_set_image ( (GtkImageMenuItem*)item, gtk_image_new_from_stock (GTK_STOCK_GO_DOWN, GTK_ICON_SIZE_MENU) );
   g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_download_cb), pass_along );
   gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
   gtk_widget_show ( item );
 
-#ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
-  item = gtk_menu_item_new_with_label ( vgl->realtime_tracking  ?
-                                       "Stop realtime tracking" :
-                                       "Start realtime tracking" );
+#if defined (VIK_CONFIG_REALTIME_GPS_TRACKING) && defined (GPSD_API_MAJOR_VERSION)
+  item = gtk_image_menu_item_new_with_mnemonic ( vgl->realtime_tracking  ?
+                                                "_Stop Realtime Tracking" :
+                                                "_Start Realtime Tracking" );
+  gtk_image_menu_item_set_image ( (GtkImageMenuItem*)item, vgl->realtime_tracking ?
+                                 gtk_image_new_from_stock (GTK_STOCK_MEDIA_STOP, GTK_ICON_SIZE_MENU) :
+                                 gtk_image_new_from_stock (GTK_STOCK_MEDIA_PLAY, GTK_ICON_SIZE_MENU) );
   g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_start_stop_tracking_cb), pass_along );
   gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
   gtk_widget_show ( item );
@@ -580,19 +695,28 @@ static void gps_layer_add_menu_items( VikGpsLayer *vgl, GtkMenu *menu, gpointer
   item = gtk_menu_item_new();
   gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
   gtk_widget_show ( item );
+
+  item = gtk_image_menu_item_new_with_mnemonic ( _("Empty _Realtime") );
+  gtk_image_menu_item_set_image ( (GtkImageMenuItem*)item, gtk_image_new_from_stock (GTK_STOCK_REMOVE, GTK_ICON_SIZE_MENU) );
+  g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_empty_realtime_cb), pass_along );
+  gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
+  gtk_widget_show ( item );
 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
 
-  item = gtk_menu_item_new_with_label ( _("Empty Upload") );
+  item = gtk_image_menu_item_new_with_mnemonic ( _("E_mpty Upload") );
+  gtk_image_menu_item_set_image ( (GtkImageMenuItem*)item, gtk_image_new_from_stock (GTK_STOCK_REMOVE, GTK_ICON_SIZE_MENU) );
   g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_empty_upload_cb), pass_along );
   gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
   gtk_widget_show ( item );
 
-  item = gtk_menu_item_new_with_label ( _("Empty Download") );
+  item = gtk_image_menu_item_new_with_mnemonic ( _("_Empty Download") );
+  gtk_image_menu_item_set_image ( (GtkImageMenuItem*)item, gtk_image_new_from_stock (GTK_STOCK_REMOVE, GTK_ICON_SIZE_MENU) );
   g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_empty_download_cb), pass_along );
   gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
   gtk_widget_show ( item );
 
-  item = gtk_menu_item_new_with_label ( _("Empty All") );
+  item = gtk_image_menu_item_new_with_mnemonic ( _("Empty _All") );
+  gtk_image_menu_item_set_image ( (GtkImageMenuItem*)item, gtk_image_new_from_stock (GTK_STOCK_REMOVE, GTK_ICON_SIZE_MENU) );
   g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_empty_all_cb), pass_along );
   gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
   gtk_widget_show ( item );
@@ -620,7 +744,8 @@ static void vik_gps_layer_free ( VikGpsLayer *vgl )
       disconnect_layer_signal(VIK_LAYER(vgl->trw_children[i]), vgl);
     g_object_unref(vgl->trw_children[i]);
   }
-#ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
+#if defined (VIK_CONFIG_REALTIME_GPS_TRACKING) && defined (GPSD_API_MAJOR_VERSION)
+  rt_gpsd_disconnect(vgl);
   if (vgl->realtime_track_gc != NULL)
     g_object_unref(vgl->realtime_track_gc);
   if (vgl->realtime_track_bg_gc != NULL)
@@ -654,6 +779,11 @@ static void vik_gps_layer_realize ( VikGpsLayer *vgl, VikTreeview *vt, GtkTreeIt
   GtkTreeIter iter;
   int ix;
 
+  // TODO set to garmin by default
+  //if (a_babel_device_list)
+  // device = ((BabelDevice*)g_list_nth_data(a_babel_device_list, last_active))->name;
+  // Need to access uibuild widgets somehow....
+
   for (ix = 0; ix < NUM_TRW; ix++) {
     VikLayer * trw = VIK_LAYER(vgl->trw_children[ix]);
     vik_treeview_add_layer ( VIK_LAYER(vgl)->vt, layer_iter, &iter,
@@ -698,12 +828,9 @@ static void gps_layer_drag_drop_request ( VikGpsLayer *val_src, VikGpsLayer *val
 {
   VikTreeview *vt = VIK_LAYER(val_src)->vt;
   VikLayer *vl = vik_treeview_item_get_pointer(vt, src_item_iter);
-  GtkTreeIter dest_iter;
   gchar *dp;
-  gboolean target_exists;
 
   dp = gtk_tree_path_to_string(dest_path);
-  target_exists = vik_treeview_get_iter_from_path_str(vt, &dest_iter, dp);
 
   /* vik_gps_layer_delete unrefs, but we don't want that here.
    * we're still using the layer. */
@@ -831,6 +958,14 @@ static void gps_download_progress_func(BabelProgressCode c, gpointer data, GpsSe
   case BABEL_DIAG_OUTPUT:
     line = (gchar *)data;
 
+    gdk_threads_enter();
+    g_mutex_lock(sess->mutex);
+    if (sess->ok) {
+      gtk_label_set_text ( GTK_LABEL(sess->status_label), _("Status: Working...") );
+    }
+    g_mutex_unlock(sess->mutex);
+    gdk_threads_leave();
+
     /* tells us how many items there will be */
     if (strstr(line, "Xfer Wpt")) { 
       sess->progress_label = sess->wp_label;
@@ -859,6 +994,18 @@ static void gps_download_progress_func(BabelProgressCode c, gpointer data, GpsSe
       }
       g_strfreev(tokens);
     }
+    /* eg: "Unit:\teTrex Legend HCx Software Version 2.90\n" */
+    if (strstr(line, "Unit:")) {
+      gchar **tokens = g_strsplit(line, "\t", 0);
+      int n_tokens = 0;
+      while (tokens[n_tokens])
+        n_tokens++;
+
+      if (n_tokens > 1) {
+        set_gps_info(tokens[1], sess);
+      }
+      g_strfreev(tokens);
+    }
     if (strstr(line, "RECORD")) { 
       int lsb, msb, cnt;
 
@@ -903,6 +1050,14 @@ static void gps_upload_progress_func(BabelProgressCode c, gpointer data, GpsSess
   case BABEL_DIAG_OUTPUT:
     line = (gchar *)data;
 
+    gdk_threads_enter();
+    g_mutex_lock(sess->mutex);
+    if (sess->ok) {
+      gtk_label_set_text ( GTK_LABEL(sess->status_label), _("Status: Working...") );
+    }
+    g_mutex_unlock(sess->mutex);
+    gdk_threads_leave();
+
     if (strstr(line, "PRDDAT")) {
       gchar **tokens = g_strsplit(line, " ", 0);
       gchar info[128];
@@ -966,13 +1121,13 @@ static void gps_comm_thread(GpsSession *sess)
   gboolean result;
 
   if (sess->direction == GPS_DOWN)
-    result = a_babel_convert_from (sess->vtl, sess->cmd_args,
-        (BabelStatusFunc) gps_download_progress_func, sess->port, sess);
-  else
-    result = a_babel_convert_to (sess->vtl, sess->cmd_args,
-        (BabelStatusFunc) gps_upload_progress_func, sess->port, sess);
+    result = a_babel_convert_from (sess->vtl, sess->cmd_args, sess->port,
+        (BabelStatusFunc) gps_download_progress_func, sess);
+  else {
+    result = a_babel_convert_to (sess->vtl, sess->track, sess->cmd_args, sess->port,
+        (BabelStatusFunc) gps_upload_progress_func, sess);
+  }
 
-  gdk_threads_enter();
   if (!result) {
     gtk_label_set_text ( GTK_LABEL(sess->status_label), _("Error: couldn't find gpsbabel.") );
   } 
@@ -982,6 +1137,18 @@ static void gps_comm_thread(GpsSession *sess)
       gtk_label_set_text ( GTK_LABEL(sess->status_label), _("Done.") );
       gtk_dialog_set_response_sensitive ( GTK_DIALOG(sess->dialog), GTK_RESPONSE_ACCEPT, TRUE );
       gtk_dialog_set_response_sensitive ( GTK_DIALOG(sess->dialog), GTK_RESPONSE_REJECT, FALSE );
+
+      /* Do not change the view if we are following the current GPS position */
+#if defined (VIK_CONFIG_REALTIME_GPS_TRACKING) && defined (GPSD_API_MAJOR_VERSION)
+      if (!sess->realtime_tracking)
+#endif
+      {
+       if ( sess->vvp && sess->direction == GPS_DOWN ) {
+         /* View the data available */
+         vik_trw_layer_auto_set_view ( sess->vtl, sess->vvp) ;
+         vik_layer_emit_update ( VIK_LAYER(sess->vtl), TRUE ); // Yes update from background thread
+       }
+      }
     } else {
       /* canceled */
     }
@@ -997,60 +1164,133 @@ static void gps_comm_thread(GpsSession *sess)
     g_mutex_unlock(sess->mutex);
     gps_session_delete(sess);
   }
-  gdk_threads_leave();
   g_thread_exit(NULL);
 }
 
-static gint gps_comm(VikTrwLayer *vtl, gps_dir dir, vik_gps_proto proto, gchar *port) {
+/**
+ * vik_gps_comm:
+ * @vtl: The TrackWaypoint layer to operate on
+ * @track: Operate on a particular track when specified
+ * @dir: The direction of the transfer
+ * @protocol: The GPS device communication protocol
+ * @port: The GPS serial port
+ * @tracking: If tracking then viewport display update will be skipped
+ * @vvp: A viewport is required as the display may get updated
+ * @vlp: A layers panel is needed for uploading as the items maybe modified
+ * @do_tracks: Whether tracks shoud be processed
+ * @do_waypoints: Whether waypoints shoud be processed
+ * @turn_off: Whether we should attempt to turn off the GPS device after the transfer (only some devices support this)
+ *
+ * Talk to a GPS Device using a thread which updates a dialog with the progress
+ */
+gint vik_gps_comm ( VikTrwLayer *vtl,
+                    VikTrack *track,
+                    vik_gps_dir dir,
+                    gchar *protocol,
+                    gchar *port,
+                    gboolean tracking,
+                    VikViewport *vvp,
+                    VikLayersPanel *vlp,
+                    gboolean do_tracks,
+                    gboolean do_waypoints,
+                   gboolean turn_off )
+{
   GpsSession *sess = g_malloc(sizeof(GpsSession));
+  char *tracks = NULL;
+  char *waypoints = NULL;
 
   sess->mutex = g_mutex_new();
   sess->direction = dir;
   sess->vtl = vtl;
+  sess->track = track;
   sess->port = g_strdup(port);
   sess->ok = TRUE;
-  sess->cmd_args = g_strdup_printf("-D 9 -t -w -%c %s",
-      (dir == GPS_DOWN) ? 'i' : 'o', protocols_args[proto]);
   sess->window_title = (dir == GPS_DOWN) ? _("GPS Download") : _("GPS Upload");
+  sess->vvp = vvp;
+
+  // This must be done inside the main thread as the uniquify causes screen updates
+  //  (originally performed this nearer the point of upload in the thread)
+  if ( dir == GPS_UP ) {
+    // Enforce unique names in the layer upload to the GPS device
+    // NB this may only be a Garmin device restriction (and may be not every Garmin device either...)
+    // Thus this maintains the older code in built restriction
+    if ( ! vik_trw_layer_uniquify ( sess->vtl, vlp ) )
+      vik_statusbar_set_message ( vik_window_get_statusbar (VIK_WINDOW(VIK_GTK_WINDOW_FROM_LAYER(sess->vtl))), VIK_STATUSBAR_INFO,
+                                 _("Warning - GPS Upload items may overwrite each other") );
+  }
 
-  sess->dialog = gtk_dialog_new_with_buttons ( "", VIK_GTK_WINDOW_FROM_LAYER(vtl), 0, GTK_STOCK_OK, GTK_RESPONSE_ACCEPT, GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT, NULL );
-  gtk_dialog_set_response_sensitive ( GTK_DIALOG(sess->dialog),
-      GTK_RESPONSE_ACCEPT, FALSE );
-  gtk_window_set_title ( GTK_WINDOW(sess->dialog), sess->window_title );
+#if defined (VIK_CONFIG_REALTIME_GPS_TRACKING) && defined (GPSD_API_MAJOR_VERSION)
+  sess->realtime_tracking = tracking;
+#endif
+
+  if (do_tracks)
+    tracks = "-t";
+  else
+    tracks = "";
+  if (do_waypoints)
+    waypoints = "-w";
+  else
+    waypoints = "";
+
+  sess->cmd_args = g_strdup_printf("-D 9 %s %s -%c %s",
+                                  tracks, waypoints, (dir == GPS_DOWN) ? 'i' : 'o', protocol);
+  tracks = NULL;
+  waypoints = NULL;
 
-  sess->status_label = gtk_label_new (_("Status: detecting gpsbabel"));
-  gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(sess->dialog)->vbox),
-      sess->status_label, FALSE, FALSE, 5 );
-  gtk_widget_show_all(sess->status_label);
+  // Only create dialog if we're going to do some transferring
+  if ( do_tracks || do_waypoints ) {
+    sess->dialog = gtk_dialog_new_with_buttons ( "", VIK_GTK_WINDOW_FROM_LAYER(vtl), 0, GTK_STOCK_OK, GTK_RESPONSE_ACCEPT, GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT, NULL );
+    gtk_dialog_set_response_sensitive ( GTK_DIALOG(sess->dialog),
+                                        GTK_RESPONSE_ACCEPT, FALSE );
+    gtk_window_set_title ( GTK_WINDOW(sess->dialog), sess->window_title );
 
-  sess->gps_label = gtk_label_new (_("GPS device: N/A"));
-  sess->ver_label = gtk_label_new ("");
-  sess->id_label = gtk_label_new ("");
-  sess->wp_label = gtk_label_new ("");
-  sess->trk_label = gtk_label_new ("");
+    sess->status_label = gtk_label_new (_("Status: detecting gpsbabel"));
+    gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(sess->dialog)->vbox), sess->status_label, FALSE, FALSE, 5 );
+    gtk_widget_show_all(sess->status_label);
 
-  gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(sess->dialog)->vbox), sess->gps_label, FALSE, FALSE, 5 );
-  gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(sess->dialog)->vbox), sess->wp_label, FALSE, FALSE, 5 );
-  gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(sess->dialog)->vbox), sess->trk_label, FALSE, FALSE, 5 );
+    sess->gps_label = gtk_label_new (_("GPS device: N/A"));
+    sess->ver_label = gtk_label_new ("");
+    sess->id_label = gtk_label_new ("");
+    sess->wp_label = gtk_label_new ("");
+    sess->trk_label = gtk_label_new ("");
 
-  gtk_widget_show_all(sess->dialog);
+    gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(sess->dialog)->vbox), sess->gps_label, FALSE, FALSE, 5 );
+    gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(sess->dialog)->vbox), sess->wp_label, FALSE, FALSE, 5 );
+    gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(sess->dialog)->vbox), sess->trk_label, FALSE, FALSE, 5 );
 
-  sess->progress_label = sess->wp_label;
-  sess->total_count = -1;
+    gtk_widget_show_all(sess->dialog);
 
-  /* TODO: starting gps read/write thread here */
-  g_thread_create((GThreadFunc)gps_comm_thread, sess, FALSE, NULL );
+    sess->progress_label = sess->wp_label;
+    sess->total_count = -1;
 
-  gtk_dialog_run(GTK_DIALOG(sess->dialog));
+    // Starting gps read/write thread
+    g_thread_create((GThreadFunc)gps_comm_thread, sess, FALSE, NULL );
 
-  gtk_widget_destroy(sess->dialog);
+    gtk_dialog_set_default_response ( GTK_DIALOG(sess->dialog), GTK_RESPONSE_ACCEPT );
+    gtk_dialog_run(GTK_DIALOG(sess->dialog));
+
+    gtk_widget_destroy(sess->dialog);
+  }
+  else {
+    if ( !turn_off )
+      a_dialog_info_msg ( VIK_GTK_WINDOW_FROM_LAYER(vtl), _("No GPS items selected for transfer.") );
+  }
 
   g_mutex_lock(sess->mutex);
+
   if (sess->ok) {
     sess->ok = FALSE;   /* tell thread to stop */
     g_mutex_unlock(sess->mutex);
   }
   else {
+    if ( turn_off ) {
+      // No need for thread for powering off device (should be quick operation...) - so use babel command directly:
+      gchar *device_off = g_strdup_printf("-i %s,%s", protocol, "power_off");
+      gboolean result = a_babel_convert_from (NULL, (const char*)device_off, (const char*)port, NULL, NULL);
+      if ( !result )
+        a_dialog_error_msg ( VIK_GTK_WINDOW_FROM_LAYER(vtl), _("Could not turn off device.") );
+      g_free ( device_off );
+    }
     g_mutex_unlock(sess->mutex);
     gps_session_delete(sess);
   }
@@ -1061,20 +1301,34 @@ static gint gps_comm(VikTrwLayer *vtl, gps_dir dir, vik_gps_proto proto, gchar *
 static void gps_upload_cb( gpointer layer_and_vlp[2] )
 {
   VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
+  VikLayersPanel *vlp = VIK_LAYERS_PANEL(layer_and_vlp[1]);
   VikTrwLayer *vtl = vgl->trw_children[TRW_UPLOAD];
-  gps_comm(vtl, GPS_UP, vgl->protocol_id, vgl->serial_port);
+  VikWindow *vw = VIK_WINDOW(VIK_GTK_WINDOW_FROM_LAYER(vgl));
+  VikViewport *vvp = vik_window_viewport(vw);
+  vik_gps_comm(vtl, NULL, GPS_UP, vgl->protocol, vgl->serial_port, FALSE, vvp, vlp, vgl->upload_tracks, vgl->upload_waypoints, FALSE);
 }
 
 static void gps_download_cb( gpointer layer_and_vlp[2] )
 {
   VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
   VikTrwLayer *vtl = vgl->trw_children[TRW_DOWNLOAD];
-  gps_comm(vtl, GPS_DOWN, vgl->protocol_id, vgl->serial_port);
+  VikWindow *vw = VIK_WINDOW(VIK_GTK_WINDOW_FROM_LAYER(vgl));
+  VikViewport *vvp = vik_window_viewport(vw);
+#if defined (VIK_CONFIG_REALTIME_GPS_TRACKING) && defined (GPSD_API_MAJOR_VERSION)
+  vik_gps_comm(vtl, NULL, GPS_DOWN, vgl->protocol, vgl->serial_port, vgl->realtime_tracking, vvp, NULL, vgl->download_tracks, vgl->download_waypoints, FALSE);
+#else
+  vik_gps_comm(vtl, NULL, GPS_DOWN, vgl->protocol, vgl->serial_port, FALSE, vvp, NULL, vgl->download_tracks, vgl->download_waypoints, FALSE);
+#endif
 }
 
 static void gps_empty_upload_cb( gpointer layer_and_vlp[2] )
 {
   VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
+  // Get confirmation from the user
+  if ( ! a_dialog_yes_or_no ( VIK_GTK_WINDOW_FROM_WIDGET(layer_and_vlp[1]),
+                             _("Are you sure you want to delete GPS Upload data?"),
+                             NULL ) )
+    return;
   vik_trw_layer_delete_all_waypoints ( vgl-> trw_children[TRW_UPLOAD]);
   vik_trw_layer_delete_all_tracks ( vgl-> trw_children[TRW_UPLOAD]);
 }
@@ -1082,23 +1336,48 @@ static void gps_empty_upload_cb( gpointer layer_and_vlp[2] )
 static void gps_empty_download_cb( gpointer layer_and_vlp[2] )
 {
   VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
+  // Get confirmation from the user
+  if ( ! a_dialog_yes_or_no ( VIK_GTK_WINDOW_FROM_WIDGET(layer_and_vlp[1]),
+                             _("Are you sure you want to delete GPS Download data?"),
+                             NULL ) )
+    return;
   vik_trw_layer_delete_all_waypoints ( vgl-> trw_children[TRW_DOWNLOAD]);
   vik_trw_layer_delete_all_tracks ( vgl-> trw_children[TRW_DOWNLOAD]);
 }
 
+#if defined (VIK_CONFIG_REALTIME_GPS_TRACKING) && defined (GPSD_API_MAJOR_VERSION)
+static void gps_empty_realtime_cb( gpointer layer_and_vlp[2] )
+{
+  VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
+  // Get confirmation from the user
+  if ( ! a_dialog_yes_or_no ( VIK_GTK_WINDOW_FROM_WIDGET(layer_and_vlp[1]),
+                             _("Are you sure you want to delete GPS Realtime data?"),
+                             NULL ) )
+    return;
+  vik_trw_layer_delete_all_waypoints ( vgl-> trw_children[TRW_REALTIME]);
+  vik_trw_layer_delete_all_tracks ( vgl-> trw_children[TRW_REALTIME]);
+}
+#endif
+
 static void gps_empty_all_cb( gpointer layer_and_vlp[2] )
 {
   VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
+  // Get confirmation from the user
+  if ( ! a_dialog_yes_or_no ( VIK_GTK_WINDOW_FROM_WIDGET(layer_and_vlp[1]),
+                             _("Are you sure you want to delete All GPS data?"),
+                             NULL ) )
+    return;
   vik_trw_layer_delete_all_waypoints ( vgl-> trw_children[TRW_UPLOAD]);
   vik_trw_layer_delete_all_tracks ( vgl-> trw_children[TRW_UPLOAD]);
   vik_trw_layer_delete_all_waypoints ( vgl-> trw_children[TRW_DOWNLOAD]);
   vik_trw_layer_delete_all_tracks ( vgl-> trw_children[TRW_DOWNLOAD]);
+#if defined (VIK_CONFIG_REALTIME_GPS_TRACKING) && defined (GPSD_API_MAJOR_VERSION)
+  vik_trw_layer_delete_all_waypoints ( vgl-> trw_children[TRW_REALTIME]);
+  vik_trw_layer_delete_all_tracks ( vgl-> trw_children[TRW_REALTIME]);
+#endif
 }
 
-#ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
-static void rt_gpsd_disconnect(VikGpsLayer *vgl);
-static gboolean rt_gpsd_connect(VikGpsLayer *vgl, gboolean ask_if_failed);
-
+#if defined (VIK_CONFIG_REALTIME_GPS_TRACKING) && defined (GPSD_API_MAJOR_VERSION)
 static void realtime_tracking_draw(VikGpsLayer *vgl, VikViewport *vp)
 {
   struct LatLon ll;
@@ -1117,7 +1396,7 @@ static void realtime_tracking_draw(VikGpsLayer *vgl, VikViewport *vp)
     gint half_back_x, half_back_y;
     gint half_back_bg_x, half_back_bg_y;
     gint pt_x, pt_y;
-    gint ptbg_x, ptbg_y;
+    gint ptbg_x;
     gint side1_x, side1_y, side2_x, side2_y;
     gint side1bg_x, side1bg_y, side2bg_x, side2bg_y;
 
@@ -1136,7 +1415,7 @@ static void realtime_tracking_draw(VikGpsLayer *vgl, VikViewport *vp)
 
     pt_y = half_back_y-24*heading_cos;
     pt_x = half_back_x+24*heading_sin;
-    ptbg_y = half_back_bg_y-28*heading_cos;
+    //ptbg_y = half_back_bg_y-28*heading_cos;
     ptbg_x = half_back_bg_x+28*heading_sin;
 
     side1_y = half_back_y+9*heading_sin;
@@ -1280,7 +1559,7 @@ static void gpsd_raw_hook(VglGpsd *vgpsd, gchar *data)
     vgl->first_realtime_trackpoint = FALSE;
     create_realtime_trackpoint(vgl, FALSE);
 
-    vik_layer_emit_update ( update_all ? VIK_LAYER(vgl) : VIK_LAYER(vgl->trw_children[TRW_REALTIME]));
+    vik_layer_emit_update ( update_all ? VIK_LAYER(vgl) : VIK_LAYER(vgl->trw_children[TRW_REALTIME]), TRUE); // Yes update from background thread
   }
 }
 
@@ -1288,8 +1567,17 @@ static gboolean gpsd_data_available(GIOChannel *source, GIOCondition condition,
 {
   VikGpsLayer *vgl = data;
   if (condition == G_IO_IN) {
-    if (!gps_poll(&vgl->vgpsd->gpsd))
+#if GPSD_API_MAJOR_VERSION == 3 || GPSD_API_MAJOR_VERSION == 4
+    if (!gps_poll(&vgl->vgpsd->gpsd)) {
+#elif GPSD_API_MAJOR_VERSION == 5
+    if (gps_read(&vgl->vgpsd->gpsd) > -1) {
+      // Reuse old function to perform operations on the new GPS data
+      gpsd_raw_hook(vgl->vgpsd, NULL);
+#else
+      // Broken compile
+#endif
       return TRUE;
+    }
     else {
       g_warning("Disconnected from gpsd. Trying to reconnect");
       rt_gpsd_disconnect(vgl);
@@ -1318,21 +1606,26 @@ static gchar *make_track_name(VikTrwLayer *vtl)
 static gboolean rt_gpsd_try_connect(gpointer *data)
 {
   VikGpsLayer *vgl = (VikGpsLayer *)data;
-#ifndef HAVE_GPS_OPEN_R
+#if GPSD_API_MAJOR_VERSION == 3
   struct gps_data_t *gpsd = gps_open(vgl->gpsd_host, vgl->gpsd_port);
 
   if (gpsd == NULL) {
-#else
+#elif GPSD_API_MAJOR_VERSION == 4
   vgl->vgpsd = g_malloc(sizeof(VglGpsd));
 
   if (gps_open_r(vgl->gpsd_host, vgl->gpsd_port, /*(struct gps_data_t *)*/vgl->vgpsd) != 0) {
+#elif GPSD_API_MAJOR_VERSION == 5
+  vgl->vgpsd = g_malloc(sizeof(VglGpsd));
+  if (gps_open(vgl->gpsd_host, vgl->gpsd_port, &vgl->vgpsd->gpsd) != 0) {
+#else
+// Delibrately break compilation...
 #endif
     g_warning("Failed to connect to gpsd at %s (port %s). Will retry in %d seconds",
                      vgl->gpsd_host, vgl->gpsd_port, vgl->gpsd_retry_interval);
     return TRUE;   /* keep timer running */
   }
 
-#ifndef HAVE_GPS_OPEN_R
+#if GPSD_API_MAJOR_VERSION == 3
   vgl->vgpsd = realloc(gpsd, sizeof(VglGpsd));
 #endif
   vgl->vgpsd->vgl = vgl;
@@ -1346,19 +1639,24 @@ static gboolean rt_gpsd_try_connect(gpointer *data)
     VikTrwLayer *vtl = vgl->trw_children[TRW_REALTIME];
     vgl->realtime_track = vik_track_new();
     vgl->realtime_track->visible = TRUE;
-    vgl->realtime_track_name = make_track_name(vtl);
-    vik_trw_layer_add_track(vtl, vgl->realtime_track_name, vgl->realtime_track);
+    vik_trw_layer_add_track(vtl, make_track_name(vtl), vgl->realtime_track);
   }
 
+#if GPSD_API_MAJOR_VERSION == 3 || GPSD_API_MAJOR_VERSION == 4
   gps_set_raw_hook(&vgl->vgpsd->gpsd, gpsd_raw_hook);
+#endif
+
   vgl->realtime_io_channel = g_io_channel_unix_new(vgl->vgpsd->gpsd.gps_fd);
   vgl->realtime_io_watch_id = g_io_add_watch( vgl->realtime_io_channel,
                     G_IO_IN | G_IO_ERR | G_IO_HUP, gpsd_data_available, vgl);
-#if HAVE_GPS_STREAM
-  gps_stream(&vgl->vgpsd->gpsd, WATCH_ENABLE, NULL);
-#else
+
+#if GPSD_API_MAJOR_VERSION == 3
   gps_query(&vgl->vgpsd->gpsd, "w+x");
 #endif
+#if GPSD_API_MAJOR_VERSION == 4 || GPSD_API_MAJOR_VERSION == 5
+  gps_stream(&vgl->vgpsd->gpsd, WATCH_ENABLE, NULL);
+#endif
+
   return FALSE;  /* no longer called by timeout */
 }
 
@@ -1397,33 +1695,35 @@ static gboolean rt_gpsd_connect(VikGpsLayer *vgl, gboolean ask_if_failed)
 
 static void rt_gpsd_disconnect(VikGpsLayer *vgl)
 {
-  if (vgl->realtime_io_watch_id) {
-    g_source_remove(vgl->realtime_io_watch_id);
-    vgl->realtime_io_watch_id = 0;
-  }
   if (vgl->realtime_retry_timer) {
     g_source_remove(vgl->realtime_retry_timer);
     vgl->realtime_retry_timer = 0;
   }
+  if (vgl->realtime_io_watch_id) {
+    g_source_remove(vgl->realtime_io_watch_id);
+    vgl->realtime_io_watch_id = 0;
+  }
   if (vgl->realtime_io_channel) {
     GError *error = NULL;
     g_io_channel_shutdown (vgl->realtime_io_channel, FALSE, &error);
     vgl->realtime_io_channel = NULL;
   }
   if (vgl->vgpsd) {
+#if GPSD_API_MAJOR_VERSION == 4 || GPSD_API_MAJOR_VERSION == 5
+    gps_stream(&vgl->vgpsd->gpsd, WATCH_DISABLE, NULL);
+#endif
     gps_close(&vgl->vgpsd->gpsd);
-#ifdef HAVE_GPS_OPEN_R
-    g_free(vgl->vgpsd);
-#else
+#if GPSD_API_MAJOR_VERSION == 3
     free(vgl->vgpsd);
+#elif GPSD_API_MAJOR_VERSION == 4 || GPSD_API_MAJOR_VERSION == 5
+    g_free(vgl->vgpsd);
 #endif
     vgl->vgpsd = NULL;
   }
 
   if (vgl->realtime_record && vgl->realtime_track) {
-    create_realtime_trackpoint(vgl, TRUE);
     if ((vgl->realtime_track->trackpoints == NULL) || (vgl->realtime_track->trackpoints->next == NULL))
-      vik_trw_layer_delete_track(vgl->trw_children[TRW_REALTIME], vgl->realtime_track_name);
+      vik_trw_layer_delete_track(vgl->trw_children[TRW_REALTIME], vgl->realtime_track);
     vgl->realtime_track = NULL;
   }
 }
@@ -1449,4 +1749,3 @@ static void gps_start_stop_tracking_cb( gpointer layer_and_vlp[2])
   }
 }
 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
-