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[andy/viking.git] / src / datasource_gps.c

/*
 * viking -- GPS Data and Topo Analyzer, Explorer, and Manager
 *
 * Copyright (C) 2003-2005, Evan Battaglia <gtoevan@gmx.net>
 * Copyright (C) 2006, Alex Foobarian <foobarian@gmail.com>
 * Copyright (C) 2012-2015, Rob Norris <rw_norris@hotmail.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
 * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <string.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif

#include <glib/gstdio.h>
#include <glib/gprintf.h>
#include <glib/gi18n.h>

#include "datasource_gps.h"
#include "viking.h"
#include "babel.h"
#include "gpx.h"
#include "acquire.h"

static gboolean gps_acquire_in_progress = FALSE;

static gint last_active = -1;

static gpointer datasource_gps_init_func ( acq_vik_t *avt );
static void datasource_gps_get_process_options ( gpointer user_data, ProcessOptions *po, gpointer not_used, const gchar *not_used2, const gchar *not_used3 );
static void datasource_gps_cleanup ( gpointer user_data );
static void datasource_gps_progress ( BabelProgressCode c, gpointer data, acq_dialog_widgets_t *w );
static void datasource_gps_add_setup_widgets ( GtkWidget *dialog, VikViewport *vvp, gpointer user_data );
static void datasource_gps_add_progress_widgets ( GtkWidget *dialog, gpointer user_data );
static void datasource_gps_off ( gpointer add_widgets_data_not_used, gchar **babelargs, gchar **input_file );

VikDataSourceInterface vik_datasource_gps_interface = {
  N_("Acquire from GPS"),
  N_("Acquired from GPS"),
  VIK_DATASOURCE_AUTO_LAYER_MANAGEMENT,
  VIK_DATASOURCE_INPUTTYPE_NONE,
  TRUE,
  TRUE,
  TRUE,
  (VikDataSourceInitFunc)		datasource_gps_init_func,
  (VikDataSourceCheckExistenceFunc)	NULL,
  (VikDataSourceAddSetupWidgetsFunc)	datasource_gps_add_setup_widgets,
  (VikDataSourceGetProcessOptionsFunc)  datasource_gps_get_process_options,
  (VikDataSourceProcessFunc)            a_babel_convert_from,
  (VikDataSourceProgressFunc)		datasource_gps_progress,
  (VikDataSourceAddProgressWidgetsFunc)	datasource_gps_add_progress_widgets,
  (VikDataSourceCleanupFunc)		datasource_gps_cleanup,
  (VikDataSourceOffFunc)                datasource_gps_off,

  NULL,
  0,
  NULL,
  NULL,
  0
};

/*********************************************************
 * Definitions and routines for acquiring data from GPS
 *********************************************************/

/* widgets in setup dialog specific to GPS */
/* widgets in progress dialog specific to GPS */
/* also counts needed for progress */
typedef struct {
  /* setup dialog */
  GtkWidget *proto_l;
  GtkWidget *proto_b;
  GtkWidget *ser_l;
  GtkWidget *ser_b;
  GtkWidget *off_request_l;
  GtkCheckButton *off_request_b;
  GtkWidget *get_tracks_l;
  GtkCheckButton *get_tracks_b;
  GtkWidget *get_routes_l;
  GtkCheckButton *get_routes_b;
  GtkWidget *get_waypoints_l;
  GtkCheckButton *get_waypoints_b;

  /* progress dialog */
  GtkWidget *gps_label;
  GtkWidget *wpt_label;
  GtkWidget *trk_label;
  GtkWidget *rte_label;
  vik_gps_xfer_type progress_type;

  // Maintain separate counts for each type
  int wpt_total_count;
  int wpt_count;
  int trk_total_count;
  int trk_count;
  int rte_total_count;
  int rte_count;
  gchar *info;
  // Know which way xfer is so xfer setting types are only stored for download
  vik_gps_dir direction;
  // GUI Updates
  gint id_status;
  gint id_info;
  gint id_total_count;
  gint id_count;
} gps_user_data_t;

#define VIK_SETTINGS_GPS_GET_TRACKS "gps_download_tracks"
#define VIK_SETTINGS_GPS_GET_ROUTES "gps_download_routes"
#define VIK_SETTINGS_GPS_GET_WAYPOINTS "gps_download_waypoints"
#define VIK_SETTINGS_GPS_PROTOCOL "gps_protocol"
#define VIK_SETTINGS_GPS_PORT "gps_port"
#define VIK_SETTINGS_GPS_POWER_OFF "gps_power_off"

static gpointer datasource_gps_init_func ( acq_vik_t *avt )
{
  gps_user_data_t *gps_ud = g_malloc0 (sizeof(gps_user_data_t));
  gps_ud->direction = GPS_DOWN;
  return gps_ud;
}

/**
 * datasource_gps_get_protocol:
 *
 * Method to get the communication protocol of the GPS device from the widget structure
 */
gchar* datasource_gps_get_protocol ( gpointer user_data )
{
  // Uses the list of supported devices
  gps_user_data_t *w = (gps_user_data_t *)user_data;
  last_active = gtk_combo_box_get_active(GTK_COMBO_BOX(w->proto_b));
  if (a_babel_device_list) {
    gchar *protocol = ((BabelDevice*)g_list_nth_data(a_babel_device_list, last_active))->name;
    a_settings_set_string ( VIK_SETTINGS_GPS_PROTOCOL, protocol );
    return protocol;
  }

  return NULL;
}

/**
 * datasource_gps_get_descriptor:
 *
 * Method to get the descriptor from the widget structure
 * "Everything is a file"
 * Could actually be normal file or a serial port
 */
gchar* datasource_gps_get_descriptor ( gpointer user_data )
{
  gps_user_data_t *w = (gps_user_data_t *)user_data;

#if GTK_CHECK_VERSION (2, 24, 0)
  gchar *descriptor = gtk_combo_box_text_get_active_text(GTK_COMBO_BOX_TEXT(w->ser_b));
#else
  gchar *descriptor = gtk_combo_box_get_active_text(GTK_COMBO_BOX(w->ser_b));
#endif
  a_settings_set_string ( VIK_SETTINGS_GPS_PORT, descriptor );
  return descriptor;
}

/**
 * datasource_gps_get_do_tracks:
 *
 * Method to get the track handling behaviour from the widget structure
 */
gboolean datasource_gps_get_do_tracks ( gpointer user_data )
{
  gps_user_data_t *w = (gps_user_data_t *)user_data;
  gboolean get_tracks = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(w->get_tracks_b));
  if ( w->direction == GPS_DOWN )
    a_settings_set_boolean ( VIK_SETTINGS_GPS_GET_TRACKS, get_tracks );
  return get_tracks;
}

/**
 * datasource_gps_get_do_routes:
 *
 * Method to get the route handling behaviour from the widget structure
 */
gboolean datasource_gps_get_do_routes ( gpointer user_data )
{
  gps_user_data_t *w = (gps_user_data_t *)user_data;
  gboolean get_routes = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(w->get_routes_b));
  if ( w->direction == GPS_DOWN )
    a_settings_set_boolean ( VIK_SETTINGS_GPS_GET_ROUTES, get_routes );
  return get_routes;
}

/**
 * datasource_gps_get_do_waypoints:
 *
 * Method to get the waypoint handling behaviour from the widget structure
 */
gboolean datasource_gps_get_do_waypoints ( gpointer user_data )
{
  gps_user_data_t *w = (gps_user_data_t *)user_data;
  gboolean get_waypoints = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(w->get_waypoints_b));
  if ( w->direction == GPS_DOWN )
    a_settings_set_boolean ( VIK_SETTINGS_GPS_GET_WAYPOINTS, get_waypoints );
  return get_waypoints;
}

static void datasource_gps_get_process_options ( gpointer user_data, ProcessOptions *po, gpointer not_used, const gchar *not_used2, const gchar *not_used3 )
{
  char *device = NULL;
  char *tracks = NULL;
  char *routes = NULL;
  char *waypoints = NULL;

  if (gps_acquire_in_progress) {
    po->babelargs = po->filename = NULL;
  }
  
  gps_acquire_in_progress = TRUE;

  device = datasource_gps_get_protocol ( user_data );

  if ( datasource_gps_get_do_tracks ( user_data ) )
    tracks = "-t";
  else
    tracks = "";

  if ( datasource_gps_get_do_routes ( user_data ) )
    routes = "-r";
  else
    routes = "";

  if ( datasource_gps_get_do_waypoints ( user_data ) )
    waypoints = "-w";
  else
    waypoints = "";

  po->babelargs = g_strdup_printf("-D 9 %s %s %s -i %s", tracks, routes, waypoints, device);
  /* device points to static content => no free */
  device = NULL;
  tracks = NULL;
  routes = NULL;
  waypoints = NULL;

  po->filename = g_strdup(datasource_gps_get_descriptor(user_data));

  g_debug(_("using cmd '%s' and file '%s'\n"), po->babelargs, po->filename);
}

/**
 * datasource_gps_get_off:
 *
 * Method to get the off behaviour from the widget structure
 */
gboolean datasource_gps_get_off ( gpointer user_data )
{
  gps_user_data_t *w = (gps_user_data_t *)user_data;
  gboolean power_off = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(w->off_request_b));
  a_settings_set_boolean ( VIK_SETTINGS_GPS_POWER_OFF, power_off );
  return power_off;
}

static void datasource_gps_off ( gpointer user_data, gchar **babelargs, gchar **file_descriptor )
{
  char *ser = NULL;
  char *device = NULL;
  gps_user_data_t *w = (gps_user_data_t *)user_data;

  if (gps_acquire_in_progress) {
    *babelargs = *file_descriptor = NULL;
  }

  /* See if we should turn off the device */
  if (!datasource_gps_get_off ( user_data )){
    return;
  }
  
  if (!a_babel_device_list)
    return;
  last_active = gtk_combo_box_get_active(GTK_COMBO_BOX(w->proto_b));
  device = ((BabelDevice*)g_list_nth_data(a_babel_device_list, last_active))->name;
  if (!strcmp(device, "garmin")) {
    device = "garmin,power_off";
  }
  else if (!strcmp(device, "navilink")) {
    device = "navilink,power_off";
  }
  else {
    return;
  }

  *babelargs = g_strdup_printf("-i %s", device);
  /* device points to static content => no free */
  device = NULL;
  
#if GTK_CHECK_VERSION (2, 24, 0)
  ser = gtk_combo_box_text_get_active_text(GTK_COMBO_BOX_TEXT(w->ser_b));
#else
  ser = gtk_combo_box_get_active_text(GTK_COMBO_BOX(w->ser_b));
#endif
  *file_descriptor = g_strdup(ser);
}


static void datasource_gps_cleanup ( gpointer user_data )
{
  gps_user_data_t *gud = (gps_user_data_t *)user_data;
  // Remove any outstanding GUI update requests
  if ( gud->id_status )
    g_source_remove ( gud->id_status );
  if ( gud->id_info )
    g_source_remove ( gud->id_info );
  if ( gud->id_total_count )
    g_source_remove ( gud->id_total_count );
  if ( gud->id_count )
    g_source_remove ( gud->id_count );
  g_free ( gud->info );
  g_free ( gud );
  gps_acquire_in_progress = FALSE;
}

/**
 * datasource_gps_clean_up:
 *
 * External method to tidy up
 */
void datasource_gps_clean_up ( gpointer user_data )
{
  datasource_gps_cleanup ( user_data );
}

static gboolean show_total_count(acq_dialog_widgets_t *w)
{
  gps_user_data_t *gps_data = (gps_user_data_t *)w->user_data;
  if (w->running) {
    gint tmp_count;
    GtkWidget *progress_label;
    const gchar *tmp_str;
    switch (gps_data->progress_type) {
    case WPT:
      progress_label = gps_data->wpt_label;
      tmp_str = ngettext("Downloading %d waypoint...", "Downloading %d waypoints...", gps_data->wpt_total_count);
      tmp_count = gps_data->wpt_total_count;
      break;
    case TRK:
      progress_label = gps_data->trk_label;
      tmp_str = ngettext("Downloading %d trackpoint...", "Downloading %d trackpoints...", gps_data->trk_total_count);
      tmp_count = gps_data->trk_total_count;
      break;
    default:
      progress_label = gps_data->rte_label;
      tmp_str = ngettext("Downloading %d routepoint...", "Downloading %d routepoints...", gps_data->rte_total_count);
      tmp_count = gps_data->rte_total_count;
      break;
    }
    gchar *s = g_strdup_printf(tmp_str, tmp_count);
    gtk_label_set_text ( GTK_LABEL(progress_label), s );
    gtk_widget_show ( progress_label );
    g_free(s);
  }
  gps_data->id_total_count = 0;
  return FALSE;
}

static gboolean show_current_count(acq_dialog_widgets_t *w)
{
  gps_user_data_t *gps_data = (gps_user_data_t *)w->user_data;
  if (w->running) {
    GtkWidget *progress_label;
    gchar *s = NULL;
    switch (gps_data->progress_type) {
      case WPT:
        progress_label = gps_data->wpt_label;
        if ( gps_data->wpt_count < gps_data->wpt_total_count )
          s = g_strdup_printf(_("Downloaded %d out of %d %s..."), gps_data->wpt_count, gps_data->wpt_total_count, "waypoints");
        else
          s = g_strdup_printf(_("Downloaded %d %s."), gps_data->wpt_count, "waypoints");
        break;
      case TRK:
        progress_label = gps_data->trk_label;
        if ( gps_data->trk_count < gps_data->trk_total_count )
          s = g_strdup_printf(_("Downloaded %d out of %d %s..."), gps_data->trk_count, gps_data->trk_total_count, "trackpoints");
        else
          s = g_strdup_printf(_("Downloaded %d %s."), gps_data->trk_count, "trackpoints");
        break;
      default:
        progress_label = gps_data->rte_label;
        if ( gps_data->rte_count < gps_data->rte_total_count )
          s = g_strdup_printf(_("Downloaded %d out of %d %s..."), gps_data->rte_count, gps_data->rte_total_count, "routepoints");
        else
          s = g_strdup_printf(_("Downloaded %d %s."), gps_data->rte_count, "routepoints");
        break;
    }
    gtk_label_set_text ( GTK_LABEL(progress_label), s );
    g_free(s);
  }
  gps_data->id_count = 0;
  return FALSE;
}

static gboolean show_gps_info(acq_dialog_widgets_t *w)
{
  gps_user_data_t *gps_data = (gps_user_data_t*)w->user_data;
  if (w->running) {
    gchar *s = g_strdup_printf ( _("GPS Device: %s"), gps_data->info );
    gtk_label_set_text ( GTK_LABEL(gps_data->gps_label), s );
    g_free(s);
  }
  gps_data->id_info = 0;
  return FALSE;
}

static gboolean show_gps_status(acq_dialog_widgets_t *w)
{
  gps_user_data_t *gps_data = (gps_user_data_t*)w->user_data;
  if (w->running) {
    gtk_label_set_text ( GTK_LABEL(w->status), _("Status: Working...") );
  }
  gps_data->id_status = 0;
  return FALSE;
}

/* 
 * This routine relies on gpsbabel's diagnostic output to display the progress information. 
 * These outputs differ when different GPS devices are used, so we will need to test
 * them on several and add the corresponding support.
 */
static void datasource_gps_progress ( BabelProgressCode c, gpointer data, acq_dialog_widgets_t *w )
{
  gchar *line;
  gps_user_data_t *gps_data = (gps_user_data_t *)w->user_data;

  switch(c) {
  case BABEL_DIAG_OUTPUT:
    line = (gchar *)data;

    gps_data->id_status = gdk_threads_add_idle ( (GSourceFunc)show_gps_status, w );

    /* tells us the type of items that will follow */
    if (strstr(line, "Xfer Wpt")) {
      gps_data->progress_type = WPT;
    }
    if (strstr(line, "Xfer Trk")) {
      gps_data->progress_type = TRK;
    }
    if (strstr(line, "Xfer Rte")) {
      gps_data->progress_type = RTE;
    }

    if (strstr(line, "PRDDAT")) {
      gchar **tokens = g_strsplit(line, " ", 0);
      gchar info[128];
      int ilen = 0;
      int i;
      int n_tokens = 0;

      while (tokens[n_tokens])
        n_tokens++;

      if (n_tokens > 8) {
        for (i=8; tokens[i] && ilen < sizeof(info)-2 && strcmp(tokens[i], "00"); i++) {
	  guint ch;
	  sscanf(tokens[i], "%x", &ch);
	  info[ilen++] = ch;
        }
        info[ilen++] = 0;
        gps_data->info = g_strdup (info);
        gps_data->id_info = gdk_threads_add_idle ( (GSourceFunc)show_gps_info, w );
      }
      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) {
        gps_data->info = g_strdup (tokens[1]);
        gps_data->id_info = gdk_threads_add_idle ( (GSourceFunc)show_gps_info, w );
      }
      g_strfreev(tokens);
    }
    /* Capture some potential errors */
    if (strstr(line, "[ERROR] GPS")) {
      gchar **tokens = g_strsplit(line, "\n", 0);
      gps_data->info = g_strdup(tokens[0]);
      gps_data->id_info = gdk_threads_add_idle ( (GSourceFunc)show_gps_info, w );
      g_strfreev(tokens);
    }
    if (strstr(line, "an't in")) {
      gchar **tokens = g_strsplit(line, "\n", 0);
      gps_data->info = g_strdup(tokens[0]);
      gps_data->id_info = gdk_threads_add_idle ( (GSourceFunc)show_gps_info, w );
      g_strfreev(tokens);
    }

    if (strstr(line, "Can't get waypoint")) {
      gchar **tokens = g_strsplit(line, "\n", 0);
      gps_data->info = g_strdup(tokens[0]);
      gps_data->id_info = gdk_threads_add_idle ( (GSourceFunc)show_gps_info, w );
      g_strfreev(tokens);
    }
    /* tells us how many items there will be */
    if (strstr(line, "RECORD")) {
      int lsb, msb, cnt;

      if (strlen(line) > 20) {
       sscanf(line+17, "%x", &lsb); 
       sscanf(line+20, "%x", &msb);
       cnt = lsb + msb * 256;
       if ( gps_data->progress_type == RTE ) {
          // Maybe a gpsbabel bug/feature (upto at least v1.4.3 or maybe my Garmin device) but the count always seems x2 too many for routepoints
          gint mycnt = (cnt / 2) + 1;
          gps_data->rte_total_count = mycnt;
          gps_data->rte_count = 0;
       }
       else if ( gps_data->progress_type == TRK ) {
         gps_data->trk_total_count = cnt;
         gps_data->trk_count = 0;
       }
       else {
          gps_data->wpt_total_count = cnt;
          gps_data->wpt_count = 0;
       }

       gps_data->id_total_count = gdk_threads_add_idle ( (GSourceFunc)show_total_count, w);
      }
    }
    if ( strstr(line, "WPTDAT") || strstr(line, "TRKHDR") || strstr(line, "TRKDAT") || strstr(line, "RTEHDR") || strstr(line, "RTEWPT") ) {
      if ( strstr(line, "WPTDAT") )
        gps_data->wpt_count++;
      else if ( strstr(line, "TRKHDR") || strstr(line, "TRKDAT") )
        gps_data->trk_count++;
      else
        // "RTEHDR" || "RTEWPT"
        gps_data->rte_count++;
      gps_data->id_count = gdk_threads_add_idle ( (GSourceFunc)show_current_count, w);
    }
    break;
  case BABEL_DONE:
    break;
  default:
    break;
  }
}

void append_element (gpointer elem, gpointer user_data)
{
  const gchar *text = ((BabelDevice*)elem)->label;
  vik_combo_box_text_append (GTK_WIDGET(user_data), text);
}

static gint find_entry = -1;
static gint wanted_entry = -1;

static void find_protocol (gpointer elem, gpointer user_data)
{
  const gchar *name = ((BabelDevice*)elem)->name;
  const gchar *protocol = user_data;
  find_entry++;
  if (!strcmp(name, protocol)) {
    wanted_entry = find_entry;
  }
}

static void datasource_gps_add_setup_widgets ( GtkWidget *dialog, VikViewport *vvp, gpointer user_data )
{
  gps_user_data_t *w = (gps_user_data_t *)user_data;
  GtkTable *box, *data_type_box;

  w->proto_l = gtk_label_new (_("GPS Protocol:"));
  w->proto_b = vik_combo_box_text_new ();
  g_list_foreach (a_babel_device_list, append_element, w->proto_b);

  if ( last_active < 0 ) {
    find_entry = -1;
    wanted_entry = -1;
    gchar *protocol = NULL;
    if ( a_settings_get_string ( VIK_SETTINGS_GPS_PROTOCOL, &protocol ) ) {
      // Use setting
      if ( protocol )
        g_list_foreach (a_babel_device_list, find_protocol, protocol);
    }
    else {
      // Attempt to maintain default to Garmin devices (assumed most popular/numerous device)
      g_list_foreach (a_babel_device_list, find_protocol, "garmin");
    }
    // If not found set it to the first entry, otherwise use the entry
    last_active = ( wanted_entry < 0 ) ? 0 : wanted_entry;
  }

  gtk_combo_box_set_active (GTK_COMBO_BOX(w->proto_b), last_active);
  g_object_ref(w->proto_b);

  w->ser_l = gtk_label_new (_("Serial Port:"));
#if GTK_CHECK_VERSION (2, 24, 0)
  w->ser_b = gtk_combo_box_text_new_with_entry ();
#else
  w->ser_b = gtk_combo_box_entry_new_text ();
#endif
  // Value from the settings is promoted to the top
  gchar *gps_port = NULL;
  if ( a_settings_get_string ( VIK_SETTINGS_GPS_PORT, &gps_port ) ) {
    // Use setting if available
    if ( gps_port ) {
#ifndef WINDOWS
      if ( !strncmp (gps_port, "/dev/tty", 6) ) {
        if (g_access (gps_port, R_OK) == 0) {
          vik_combo_box_text_append (w->ser_b, gps_port);
	}
      }
      else
#endif
        vik_combo_box_text_append (w->ser_b, gps_port);
    }
  }

  // Note avoid appending the port selected from the settings
#ifdef WINDOWS
  if ( gps_port && strcmp (gps_port, "com1") )
    vik_combo_box_text_append (w->ser_b, "com1");
#else
  /* Here just try to see if the device is available which gets passed onto gpsbabel
     List USB devices first as these will generally only be present if autogenerated by udev or similar
     User is still able to set their own free text entry */
  if ( gps_port && strcmp (gps_port, "/dev/ttyUSB0") )
    if (g_access ("/dev/ttyUSB0", R_OK) == 0)
      vik_combo_box_text_append (w->ser_b, "/dev/ttyUSB0");
  if ( gps_port && strcmp (gps_port, "/dev/ttyUSB1") )
    if (g_access ("/dev/ttyUSB1", R_OK) == 0)
      vik_combo_box_text_append (w->ser_b, "/dev/ttyUSB1");
  if ( gps_port && strcmp (gps_port, "/dev/ttyS0") )
    if (g_access ("/dev/ttyS0", R_OK) == 0)
      vik_combo_box_text_append (w->ser_b, "/dev/ttyS0");
  if ( gps_port && strcmp (gps_port, "/dev/ttyS1") )
    if (g_access ("/dev/ttyS1", R_OK) == 0)
      vik_combo_box_text_append (w->ser_b, "/dev/ttyS1");
#endif
  if ( gps_port && strcmp (gps_port, "usb:") )
    vik_combo_box_text_append (w->ser_b, "usb:");

  gtk_combo_box_set_active (GTK_COMBO_BOX(w->ser_b), 0);
  g_object_ref(w->ser_b);

  w->off_request_l = gtk_label_new (_("Turn Off After Transfer\n(Garmin/NAViLink Only)"));
  w->off_request_b = GTK_CHECK_BUTTON ( gtk_check_button_new () );
  gboolean power_off;
  if ( ! a_settings_get_boolean ( VIK_SETTINGS_GPS_POWER_OFF, &power_off ) )
    power_off = FALSE;
  gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(w->off_request_b), power_off);

  w->get_tracks_l = gtk_label_new (_("Tracks:"));
  w->get_tracks_b = GTK_CHECK_BUTTON ( gtk_check_button_new () );
  gboolean get_tracks;
  if ( ! a_settings_get_boolean ( VIK_SETTINGS_GPS_GET_TRACKS, &get_tracks ) )
    get_tracks = TRUE;
  gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(w->get_tracks_b), get_tracks);

  w->get_routes_l = gtk_label_new (_("Routes:"));
  w->get_routes_b = GTK_CHECK_BUTTON ( gtk_check_button_new () );
  gboolean get_routes;
  if ( ! a_settings_get_boolean ( VIK_SETTINGS_GPS_GET_ROUTES, &get_routes ) )
    get_routes = FALSE;
  gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(w->get_routes_b), get_routes);

  w->get_waypoints_l = gtk_label_new (_("Waypoints:"));
  w->get_waypoints_b = GTK_CHECK_BUTTON ( gtk_check_button_new () );
  gboolean get_waypoints;
  if ( ! a_settings_get_boolean ( VIK_SETTINGS_GPS_GET_WAYPOINTS, &get_waypoints ) )
    get_waypoints = TRUE;
  gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(w->get_waypoints_b), get_waypoints);

  box = GTK_TABLE(gtk_table_new(2, 4, FALSE));
  data_type_box = GTK_TABLE(gtk_table_new(4, 1, FALSE));

  gtk_table_attach_defaults(box, GTK_WIDGET(w->proto_l), 0, 1, 0, 1);
  gtk_table_attach_defaults(box, GTK_WIDGET(w->proto_b), 1, 2, 0, 1);
  gtk_table_attach_defaults(box, GTK_WIDGET(w->ser_l), 0, 1, 1, 2);
  gtk_table_attach_defaults(box, GTK_WIDGET(w->ser_b), 1, 2, 1, 2);
  gtk_table_attach_defaults(data_type_box, GTK_WIDGET(w->get_tracks_l), 0, 1, 0, 1);
  gtk_table_attach_defaults(data_type_box, GTK_WIDGET(w->get_tracks_b), 1, 2, 0, 1);
  gtk_table_attach_defaults(data_type_box, GTK_WIDGET(w->get_routes_l), 2, 3, 0, 1);
  gtk_table_attach_defaults(data_type_box, GTK_WIDGET(w->get_routes_b), 3, 4, 0, 1);
  gtk_table_attach_defaults(data_type_box, GTK_WIDGET(w->get_waypoints_l), 4, 5, 0, 1);
  gtk_table_attach_defaults(data_type_box, GTK_WIDGET(w->get_waypoints_b), 5, 6, 0, 1);
  gtk_table_attach_defaults(box, GTK_WIDGET(data_type_box), 0, 2, 2, 3);
  gtk_table_attach_defaults(box, GTK_WIDGET(w->off_request_l), 0, 1, 3, 4);
  gtk_table_attach_defaults(box, GTK_WIDGET(w->off_request_b), 1, 3, 3, 4);
  gtk_box_pack_start ( GTK_BOX(gtk_dialog_get_content_area(GTK_DIALOG(dialog))), GTK_WIDGET(box), FALSE, FALSE, 5 );

  gtk_widget_show_all ( dialog );
}

/**
 * datasource_gps_setup:
 * @dialog: The GTK dialog. The caller is responsible for managing the dialog creation/deletion
 * @xfer: The default type of items enabled for transfer, others disabled.
 * @xfer_all: When specified all items are enabled for transfer.
 *
 * Returns: A gpointer to the private structure for GPS progress/information widgets
 *          Pass this pointer back into the other exposed datasource_gps_X functions
 */
gpointer datasource_gps_setup ( GtkWidget *dialog, vik_gps_xfer_type xfer, gboolean xfer_all )
{
  gps_user_data_t *w_gps = (gps_user_data_t *)datasource_gps_init_func ( NULL );
  w_gps->direction = GPS_UP;
  datasource_gps_add_setup_widgets ( dialog, NULL, w_gps );

  gboolean way = xfer_all;
  gboolean trk = xfer_all;
  gboolean rte = xfer_all;

  // Selectively turn bits on
  if ( !xfer_all ) {
    switch (xfer) {
    case WPT: way = TRUE; break;
    case RTE: rte = TRUE; break;
    default: trk = TRUE; break;
    }
  }

  // Apply
  gtk_toggle_button_set_active ( GTK_TOGGLE_BUTTON(w_gps->get_tracks_b), trk );
  gtk_widget_set_sensitive ( GTK_WIDGET(w_gps->get_tracks_l), trk );
  gtk_widget_set_sensitive ( GTK_WIDGET(w_gps->get_tracks_b), trk );

  gtk_toggle_button_set_active ( GTK_TOGGLE_BUTTON(w_gps->get_routes_b), rte );
  gtk_widget_set_sensitive ( GTK_WIDGET(w_gps->get_routes_l), rte );
  gtk_widget_set_sensitive ( GTK_WIDGET(w_gps->get_routes_b), rte );

  gtk_toggle_button_set_active ( GTK_TOGGLE_BUTTON(w_gps->get_waypoints_b), way );
  gtk_widget_set_sensitive ( GTK_WIDGET(w_gps->get_waypoints_l), way );
  gtk_widget_set_sensitive ( GTK_WIDGET(w_gps->get_waypoints_b), way );

  return (gpointer)w_gps;
}

void datasource_gps_add_progress_widgets ( GtkWidget *dialog, gpointer user_data )
{
  gps_user_data_t *w_gps = (gps_user_data_t *)user_data;

  w_gps->gps_label = gtk_label_new (_("GPS device: N/A"));
  w_gps->wpt_label = gtk_label_new ("");
  w_gps->trk_label = gtk_label_new ("");
  w_gps->rte_label = gtk_label_new ("");

  gtk_box_pack_start ( GTK_BOX(gtk_dialog_get_content_area(GTK_DIALOG(dialog))), w_gps->gps_label, FALSE, FALSE, 5 );
  gtk_box_pack_start ( GTK_BOX(gtk_dialog_get_content_area(GTK_DIALOG(dialog))), w_gps->wpt_label, FALSE, FALSE, 5 );
  gtk_box_pack_start ( GTK_BOX(gtk_dialog_get_content_area(GTK_DIALOG(dialog))), w_gps->trk_label, FALSE, FALSE, 5 );
  gtk_box_pack_start ( GTK_BOX(gtk_dialog_get_content_area(GTK_DIALOG(dialog))), w_gps->rte_label, FALSE, FALSE, 5 );

  gtk_widget_show_all ( dialog );
}