git.maemo.org Git - gps-tracker/blob - gps-tracker.c

   1 #include <glib.h>
   2 #include <glib/gstdio.h>
   3
   4 #include <hildon/hildon.h>
   5 #include <hildon/hildon-file-chooser-dialog.h>
   6 #include <location/location-gpsd-control.h>
   7 #include <location/location-gps-device.h>
   8 #include <location/location-misc.h>
   9 #include <location/location-distance-utils.h>
  10
  11 typedef struct {
  12     HildonProgram *program;
  13     HildonWindow *window;
  14
  15     GtkWidget * main_vbox, *btn_hbox;
  16     GtkButton *start_stop_button, *save_button;
  17     GtkWidget *wp_hbox, *wp_label, *wp_name_entry;
  18     GtkWidget *loc_hbox, *loc_gps_data, *loc_track_data;
  19     GtkTable *loc_gps_data_table, *loc_track_data_table;
  20     GtkWidget *lat_val_label, *lon_val_label, *alt_val_label, *sat_val_label;
  21     GtkWidget *speed_val_label, *track_val_label, *climb_val_label;
  22     //GtkWidget *wp_label;
  23     GtkButton *wp_set_btn;
  24     GString *wp_marker_str;
  25     gboolean tracking_is_on;
  26     FILE *outf_p;
  27     guint points_recorded_in_current_segment;
  28     LocationGPSDeviceStatus last_device_status;
  29     gchar *working_dir;
  30     gchar *intermediate_gpx_data_filename;
  31 } AppData;
  32
  33 static gchar * interface_file_chooser (AppData * appdata, GtkFileChooserAction action)
  34 {
  35     GtkWidget *dialog;
  36     gchar *filename = NULL;
  37     gchar tmpname[PATH_MAX];
  38     time_t t;
  39     struct tm *tmp;
  40
  41     t = time(NULL);
  42     tmp = localtime(&t);
  43     strftime(tmpname, sizeof(tmpname), "gps-tracker-%Y%m%d_%H%M%S.gpx", tmp);
  44     dialog = hildon_file_chooser_dialog_new (GTK_WINDOW (appdata->window), action);
  45     gtk_widget_show_all (GTK_WIDGET (dialog));
  46     gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER (dialog), tmpname);
  47     gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(dialog), appdata->working_dir);
  48
  49     if (gtk_dialog_run (GTK_DIALOG (dialog)) == GTK_RESPONSE_OK) {
  50         filename = gtk_file_chooser_get_filename (GTK_FILE_CHOOSER (dialog));
  51     }
  52
  53     gtk_widget_destroy(dialog);
  54     return filename;
  55 }
  56
  57 static void write_gpx_header(FILE *fp)
  58 {
  59   g_return_if_fail(fp);
  60   g_fprintf(fp,
  61       "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
  62       "<gpx version=\"1.0\"\n"
  63       "creator=\"GPS Træcker for Maemo\"\n"
  64       "xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"\n"
  65       "xmlns=\"http://www.topografix.com/GPX/1/0\"\n"
  66       "xsi:schemaLocation=\"http://www.topografix.com/GPX/1/0 http://www.topografix.com/GPX/1/0/gpx.xsd\">\n"
  67       "<trk>\n"
  68       "<name>gps-tracker</name>\n"
  69       "<desc>This is a track recorded by 'GPS Træcker' on Maemo</desc>\n"
  70       "<trkseg>\n"
  71       );
  72 }
  73
  74 static void write_gpx_footer(FILE *fp)
  75 {
  76   g_return_if_fail(fp);
  77   g_fprintf(fp, "</trkseg>\n</trk>\n</gpx>\n");
  78 }
  79
  80 static void cb_wp_set_btn (GtkWidget * w, AppData * data)
  81 {
  82   HildonEntry *entry = (HildonEntry*)data->wp_name_entry;
  83   const gchar *marker_name = hildon_entry_get_text(entry);
  84   if(marker_name[0]) {
  85     g_string_assign(data->wp_marker_str, marker_name);
  86     //hildon_banner_show_information(GTK_WIDGET(data->window), NULL, data->wp_marker_str->str);
  87     hildon_entry_set_text(entry, "");
  88   }
  89   else {
  90     g_string_truncate(data->wp_marker_str, 0);
  91     hildon_banner_show_information(GTK_WIDGET(data->window), NULL, "WARNING: no marker name given");
  92   }
  93 }
  94
  95 static void cb_start_stop (GtkWidget * w, AppData * data)
  96 {
  97   data->tracking_is_on = !data->tracking_is_on;
  98   if(data->tracking_is_on) { /* START pressed */
  99     data->outf_p = fopen(data->intermediate_gpx_data_filename, "w");
 100     data->points_recorded_in_current_segment = 0;
 101     data->last_device_status = LOCATION_GPS_DEVICE_STATUS_NO_FIX;
 102     write_gpx_header(data->outf_p);
 103     //hildon_banner_show_information(GTK_WIDGET(data->window), NULL, "Tracking started");
 104     gtk_button_set_label (data->start_stop_button, "Stop");
 105     gtk_widget_set_sensitive(GTK_WIDGET(data->save_button), FALSE);
 106     gtk_widget_set_sensitive(GTK_WIDGET(data->wp_set_btn), TRUE);
 107   }
 108   else { /* STOP pressed */
 109     data->points_recorded_in_current_segment = 0;
 110     data->last_device_status = LOCATION_GPS_DEVICE_STATUS_NO_FIX;
 111     if(data->outf_p) {
 112       write_gpx_footer(data->outf_p);
 113       fclose(data->outf_p);
 114       data->outf_p = NULL;
 115     }
 116     gtk_button_set_label (data->start_stop_button, "Start");
 117     //hildon_banner_show_information(GTK_WIDGET(data->window), NULL, "Tracking stopped");
 118     gtk_widget_set_sensitive(GTK_WIDGET(data->save_button), TRUE);
 119     gtk_widget_set_sensitive(GTK_WIDGET(data->wp_set_btn), FALSE);
 120   }
 121   g_string_truncate(data->wp_marker_str, 0);
 122 }
 123
 124 static void cb_file_save (GtkWidget * w, AppData * data)
 125 {
 126     gchar *filename = NULL;
 127     filename = interface_file_chooser (data, GTK_FILE_CHOOSER_ACTION_SAVE);
 128
 129     if (filename) {
 130       if(g_file_test(data->intermediate_gpx_data_filename, G_FILE_TEST_IS_REGULAR | G_FILE_TEST_EXISTS)) {
 131         g_rename(data->intermediate_gpx_data_filename, filename);
 132         //g_print ("File saved as %s\n", filename);
 133         hildon_banner_show_information(GTK_WIDGET(data->window), NULL, filename);
 134       }
 135       else {
 136         hildon_banner_show_information(GTK_WIDGET(data->window), NULL, "Temp file not found");
 137       }
 138     }
 139     g_free(filename);
 140 }
 141
 142 #define SPAN_PREFIX "<span font_family=\"monospace\" size=\"large\" weight=\"bold\">"
 143 #define SPAN_POST   "</span>"
 144 #define LABEL_FMT(s) SPAN_PREFIX s SPAN_POST
 145 #define CHANGE_LABEL(w,fmt,val) change_label_text(w, SPAN_PREFIX fmt SPAN_POST, val)
 146 #define CHANGE_LABEL2(w,fmt,val1, val2) change_label_text(w, SPAN_PREFIX fmt SPAN_POST, val1, val2)
 147
 148 static void change_label_text(GtkWidget *l, gchar *format, ...)
 149 {
 150   va_list args;
 151   gchar buf[512];
 152   va_start(args, format);
 153   g_vsnprintf(buf, sizeof(buf), format, args);
 154   va_end(args);
 155   gtk_label_set_markup(GTK_LABEL(l), buf);
 156 }
 157
 158 static void on_gps_device_changed (LocationGPSDevice *device, gpointer data)
 159 {
 160   AppData *app_data = data;
 161   FILE *fp = app_data->outf_p;
 162   gchar sbuf1[G_ASCII_DTOSTR_BUF_SIZE], sbuf2[G_ASCII_DTOSTR_BUF_SIZE];
 163         if (!device)
 164                 return;
 165
 166   if (device->fix) {
 167     //g_print("mode=%d stat=%d\n", device->fix->mode, device->status);
 168     if (device->fix->fields & LOCATION_GPS_DEVICE_LATLONG_SET) {
 169       //g_print ("lat = %f, long = %f\n", device->fix->latitude, device->fix->longitude);
 170       CHANGE_LABEL(app_data->lat_val_label, "% 9.6f", device->fix->latitude);
 171       CHANGE_LABEL(app_data->lon_val_label, "% 9.6f", device->fix->longitude);
 172       if(fp) {
 173         if(app_data->last_device_status != device->status) {
 174           if(app_data->points_recorded_in_current_segment)
 175             g_fprintf(fp, "\n</trkseg>\n<trkseg>\n");
 176           app_data->last_device_status = device->status;
 177         }
 178         g_fprintf(fp, "\n<trkpt lat=\"%s\" lon=\"%s\">\n",
 179             g_ascii_formatd(sbuf1, sizeof(sbuf1), "%f", device->fix->latitude),
 180             g_ascii_formatd(sbuf2, sizeof(sbuf2), "%f", device->fix->longitude));
 181         if(app_data->wp_marker_str->len) {
 182           g_fprintf(fp, "<name>%s</name>\n", app_data->wp_marker_str->str);
 183           hildon_banner_show_information(GTK_WIDGET(app_data->window), NULL, app_data->wp_marker_str->str);
 184           g_string_truncate(app_data->wp_marker_str, 0);
 185         }
 186       }
 187
 188       app_data->points_recorded_in_current_segment++;
 189
 190       if (device->fix->fields & LOCATION_GPS_DEVICE_TIME_SET) {
 191         //g_print ("time = %f\n", device->fix->time);
 192         if(fp) {
 193           gchar st[64];
 194           struct tm *tmp;
 195           time_t t = device->fix->time;
 196           tmp = localtime(&t);
 197           strftime(st, sizeof(st), "%FT%T%Z", tmp);
 198           /* FIXME Is this really correct */
 199           g_fprintf(fp, "<time>%s</time>\n", st);
 200         }
 201       }
 202       if(fp) {
 203         if(device->fix->mode == LOCATION_GPS_DEVICE_MODE_2D)
 204           g_fprintf(fp, "<fix>2d</fix>\n");
 205         else if(device->fix->mode == LOCATION_GPS_DEVICE_MODE_3D)
 206           g_fprintf(fp, "<fix>3d</fix>\n");
 207         g_fprintf(fp, "<sat>%d</sat>\n", device->satellites_in_use);
 208       }
 209
 210       if (device->fix->fields & LOCATION_GPS_DEVICE_ALTITUDE_SET) {
 211         //g_print ("alt = %f\n", device->fix->altitude);
 212         CHANGE_LABEL(app_data->alt_val_label, "% 5.0fm", device->fix->altitude);
 213         if(fp)
 214           g_fprintf(fp, "<ele>%s</ele>\n", g_ascii_formatd(sbuf1, sizeof(sbuf1), "%.1f", device->fix->altitude));
 215
 216       }
 217       else
 218         CHANGE_LABEL(app_data->alt_val_label, " ?", NULL);
 219
 220       if (device->fix->fields & LOCATION_GPS_DEVICE_SPEED_SET) {
 221         //g_print ("speed = %f\n", device->fix->speed);
 222         CHANGE_LABEL(app_data->speed_val_label, "% 5.1fkm/h", device->fix->speed);
 223         if(fp)
 224           g_fprintf(fp, "<speed>%s</speed>\n", g_ascii_formatd(sbuf1, sizeof(sbuf1), "%.1f", device->fix->speed));
 225       }
 226       else
 227         CHANGE_LABEL(app_data->speed_val_label, " ?", NULL);
 228
 229       if (device->fix->fields & LOCATION_GPS_DEVICE_TRACK_SET) {
 230         //g_print ("track = %f\n", device->fix->track);
 231         CHANGE_LABEL(app_data->track_val_label, "%4.0f°", device->fix->track);
 232         if(fp)
 233           g_fprintf(fp, "<course>%s</course>\n", g_ascii_formatd(sbuf1, sizeof(sbuf1), "%.1f", device->fix->track));
 234       }
 235       else
 236         CHANGE_LABEL(app_data->track_val_label, " ?", NULL);
 237
 238       if (device->fix->fields & LOCATION_GPS_DEVICE_CLIMB_SET) {
 239         //g_print ("climb = %f\n", device->fix->climb);
 240         CHANGE_LABEL(app_data->climb_val_label, "%+4.0fm/s", device->fix->climb);
 241       }
 242       else
 243         CHANGE_LABEL(app_data->climb_val_label, " ?", NULL);
 244
 245       //g_print ("Accuracy values:\n");
 246       //g_print ("\tept = %e, eph = %e, epv = %e, epd = %e, "
 247       //    "eps = %e, epc = %e\n",
 248       //    device->fix->ept,
 249       //    device->fix->eph,
 250       //    device->fix->epv,
 251       //    device->fix->epd,
 252       //    device->fix->eps,
 253       //    device->fix->epc);
 254       if(fp) {
 255         g_fprintf(fp, "<hdop>%s</hdop>\n<vdop>%s</vdop>\n",
 256             g_ascii_formatd(sbuf1, sizeof(sbuf1), "%.1f", device->fix->eph / 100.0),
 257             g_ascii_formatd(sbuf2, sizeof(sbuf2), "%.1f", device->fix->epv));
 258         g_fprintf(fp, "</trkpt>\n");
 259       }
 260     }
 261   }
 262   else
 263     g_print("device->fix=%p\n", device->fix);
 264
 265         //g_print ("Satellites in view: %d\n", device->satellites_in_view);
 266         //g_print ("Satellites in use: %d\n", device->satellites_in_use);
 267   CHANGE_LABEL2(app_data->sat_val_label, "%3d/%2d", device->satellites_in_use, device->satellites_in_view);
 268         //g_print ("GPS status: %d\n", device->status);
 269
 270         //if (device->cell_info) {
 271         //      if (device->cell_info->flags & LOCATION_CELL_INFO_GSM_CELL_INFO_SET)
 272         //              g_print ("Mobile Coutry Code GSM: %d\n", device->cell_info->gsm_cell_info.mcc);
 273
 274         //      if (device->cell_info->flags & LOCATION_CELL_INFO_WCDMA_CELL_INFO_SET)
 275         //              g_print ("Mobile Coutry Code WCDMA: %d\n", device->cell_info->wcdma_cell_info.mcc);
 276         //}
 277
 278   if(device->status == LOCATION_GPS_DEVICE_STATUS_NO_FIX) {
 279     hildon_gtk_window_set_progress_indicator(GTK_WINDOW(app_data->window), 1);
 280     CHANGE_LABEL(app_data->lat_val_label, " ?", NULL);
 281     CHANGE_LABEL(app_data->lon_val_label, " ?", NULL);
 282     CHANGE_LABEL(app_data->alt_val_label, " ?", NULL);
 283     CHANGE_LABEL(app_data->speed_val_label, " ?", NULL);
 284     CHANGE_LABEL(app_data->track_val_label, " ?", NULL);
 285   }
 286   else {
 287     hildon_gtk_window_set_progress_indicator(GTK_WINDOW(app_data->window), 0);
 288     gtk_widget_set_sensitive(GTK_WIDGET(app_data->start_stop_button), TRUE);
 289   }
 290 }
 291
 292 static void
 293 on_gps_error (LocationGPSDevice *device, gpointer data)
 294 {
 295   //AppData *app_data = data;
 296         g_error ("GPS error");
 297 }
 298
 299 static void
 300 on_gps_stop (LocationGPSDevice *device, gpointer data)
 301 {
 302   AppData *app_data = data;
 303   const gchar *msg = "GPS stopped";
 304   hildon_banner_show_information(GTK_WIDGET(app_data->window), NULL, msg);
 305         g_warning (msg);
 306 }
 307
 308 static void
 309 on_gps_start (LocationGPSDevice *device, gpointer data)
 310 {
 311   AppData *app_data = data;
 312   const gchar *msg = "GPS started";
 313   hildon_banner_show_information(GTK_WIDGET(app_data->window), NULL, msg);
 314         g_warning (msg);
 315 }
 316
 317 int main (int argc, char **argv)
 318 {
 319   AppData * data = g_new0 (AppData, 1);
 320
 321         hildon_gtk_init (&argc, &argv);
 322         LocationGPSDControl *control;
 323         LocationGPSDevice *device;
 324
 325   data->working_dir = g_strdup_printf("%s" G_DIR_SEPARATOR_S "MyDocs", g_get_home_dir());
 326   data->intermediate_gpx_data_filename = g_strdup_printf("%s" G_DIR_SEPARATOR_S ".gps-tracker.gpx", data->working_dir);
 327         data->program = hildon_program_get_instance ();
 328         g_set_application_name("GPS Træcker");
 329
 330         data->window = HILDON_WINDOW(hildon_stackable_window_new());
 331         hildon_program_add_window (data->program, HILDON_WINDOW (data->window));
 332
 333   data->wp_marker_str = g_string_sized_new(64);
 334   data->main_vbox = (gpointer)gtk_vbox_new(FALSE, 0);
 335   data->loc_hbox = (gpointer)gtk_hbox_new(FALSE, 0);
 336   data->loc_gps_data_table = (gpointer)gtk_table_new(4, 2, FALSE);
 337   {
 338     GtkWidget *alignment_gps = gtk_alignment_new (0.5, 0.5, 1, 1);
 339     GtkWidget *lat_label = gtk_label_new("Lat:");
 340     GtkWidget *lon_label = gtk_label_new("Lon:");
 341     GtkWidget *alt_label = gtk_label_new("Alt:");
 342     GtkWidget *sat_label = gtk_label_new("Sat:");
 343
 344     gtk_alignment_set_padding(GTK_ALIGNMENT(alignment_gps), 0,0,0,0);
 345     gtk_misc_set_alignment (GTK_MISC (lat_label), 1, 0.5);
 346     gtk_misc_set_alignment (GTK_MISC (lon_label), 1, 0.5);
 347     gtk_misc_set_alignment (GTK_MISC (alt_label), 1, 0.5);
 348     gtk_misc_set_alignment (GTK_MISC (sat_label), 1, 0.5);
 349     gtk_table_attach_defaults(data->loc_gps_data_table, lat_label, 0, 1, 0, 1);
 350     gtk_table_attach_defaults(data->loc_gps_data_table, lon_label, 0, 1, 1, 2);
 351     gtk_table_attach_defaults(data->loc_gps_data_table, alt_label, 0, 1, 2, 3);
 352     gtk_table_attach_defaults(data->loc_gps_data_table, sat_label, 0, 1, 3, 4);
 353     data->lat_val_label = gtk_label_new(NULL);
 354     data->lon_val_label = gtk_label_new(NULL);
 355     data->alt_val_label = gtk_label_new(NULL);
 356     data->sat_val_label = gtk_label_new(" 0/ 0");
 357     gtk_misc_set_alignment (GTK_MISC (data->lat_val_label), 0, 0.5);
 358     gtk_misc_set_alignment (GTK_MISC (data->lon_val_label), 0, 0.5);
 359     gtk_misc_set_alignment (GTK_MISC (data->alt_val_label), 0, 0.5);
 360     gtk_misc_set_alignment (GTK_MISC (data->sat_val_label), 0, 0.5);
 361     gtk_table_attach_defaults(data->loc_gps_data_table, data->lat_val_label, 1, 2, 0, 1);
 362     gtk_table_attach_defaults(data->loc_gps_data_table, data->lon_val_label, 1, 2, 1, 2);
 363     gtk_table_attach_defaults(data->loc_gps_data_table, data->alt_val_label, 1, 2, 2, 3);
 364     gtk_table_attach_defaults(data->loc_gps_data_table, data->sat_val_label, 1, 2, 3, 4);
 365     data->loc_gps_data = hildon_caption_new(NULL, "", (gpointer)data->loc_gps_data_table, NULL, HILDON_CAPTION_MANDATORY);
 366     //hildon_caption_set_label_alignment(data->loc_gps_data, 0);
 367     //hildon_caption_set_separator((gpointer)data->loc_gps_data, "   ");
 368     hildon_caption_set_label_markup((gpointer)data->loc_gps_data, "<big><b>GPS data</b></big>");
 369     gtk_container_add (GTK_CONTAINER (alignment_gps), GTK_WIDGET(data->loc_gps_data));
 370     gtk_box_pack_start(GTK_BOX(data->loc_hbox), alignment_gps, TRUE, FALSE, 0);
 371   }
 372
 373   gtk_box_pack_start(GTK_BOX(data->loc_hbox), gtk_vseparator_new(), TRUE, FALSE, 0);
 374
 375   data->loc_track_data_table = (gpointer)gtk_table_new(4, 2, TRUE);
 376   {
 377     GtkWidget *alignment_track = gtk_alignment_new (0.5, 0.5, 1, 1);
 378     GtkWidget *speed_label = gtk_label_new("Speed:");
 379     GtkWidget *track_label = gtk_label_new("Orientation:");
 380     GtkWidget *climb_label = gtk_label_new("Climb:");
 381     gtk_alignment_set_padding(GTK_ALIGNMENT(alignment_track), 0,0,0,0);
 382     gtk_misc_set_alignment (GTK_MISC (speed_label), 1, 0.5);
 383     gtk_misc_set_alignment (GTK_MISC (track_label), 1, 0.5);
 384     gtk_misc_set_alignment (GTK_MISC (climb_label), 1, 0.5);
 385     gtk_table_attach_defaults(data->loc_track_data_table, speed_label, 0, 1, 0, 1);
 386     gtk_table_attach_defaults(data->loc_track_data_table, track_label, 0, 1, 1, 2);
 387     gtk_table_attach_defaults(data->loc_track_data_table, climb_label, 0, 1, 2, 3);
 388     data->speed_val_label = gtk_label_new(NULL);
 389     CHANGE_LABEL(data->speed_val_label, "% 5.1fkm/h", 0.);
 390     data->track_val_label = gtk_label_new(NULL);
 391     data->climb_val_label = gtk_label_new(NULL);
 392     gtk_misc_set_alignment (GTK_MISC (data->speed_val_label), 0, 0.5);
 393     gtk_misc_set_alignment (GTK_MISC (data->track_val_label), 0, 0.5);
 394     gtk_misc_set_alignment (GTK_MISC (data->climb_val_label), 0, 0.5);
 395     gtk_table_attach_defaults(data->loc_track_data_table, data->speed_val_label, 1, 2, 0, 1);
 396     gtk_table_attach_defaults(data->loc_track_data_table, data->track_val_label, 1, 2, 1, 2);
 397     gtk_table_attach_defaults(data->loc_track_data_table, data->climb_val_label, 1, 2, 2, 3);
 398     data->loc_track_data = hildon_caption_new(NULL, "", (gpointer)data->loc_track_data_table, NULL, HILDON_CAPTION_MANDATORY);
 399     //hildon_caption_set_label_alignment((gpointer)data->loc_track_data, 0);
 400     hildon_caption_set_label_markup((gpointer)data->loc_track_data, "<big><b>Track</b></big>");
 401     gtk_container_add (GTK_CONTAINER (alignment_track), GTK_WIDGET(data->loc_track_data));
 402     gtk_box_pack_end(GTK_BOX(data->loc_hbox), alignment_track, TRUE, FALSE, 0);
 403   }
 404
 405   gtk_box_pack_start(GTK_BOX(data->main_vbox), GTK_WIDGET(data->loc_hbox), TRUE, FALSE, 0);
 406
 407   data->wp_hbox = (gpointer)gtk_hbox_new(TRUE, 0);
 408   //data->wp_label = gtk_label_new("Marker:");
 409   data->wp_name_entry = hildon_entry_new (HILDON_SIZE_HALFSCREEN_WIDTH);
 410   //hildon_entry_set_placeholder (HILDON_ENTRY (data->wp_name_entry), "First name");
 411   data->wp_set_btn = GTK_BUTTON (hildon_gtk_button_new (HILDON_SIZE_HALFSCREEN_WIDTH));
 412   gtk_button_set_label (data->wp_set_btn, "Set marker");
 413   gtk_widget_set_sensitive(GTK_WIDGET(data->wp_set_btn), FALSE);
 414   //gtk_box_pack_start(GTK_BOX(data->wp_hbox), GTK_WIDGET(data->wp_label), TRUE, FALSE, 0);
 415   gtk_box_pack_start(GTK_BOX(data->wp_hbox), GTK_WIDGET(data->wp_name_entry), TRUE, FALSE, 0);
 416   gtk_box_pack_start(GTK_BOX(data->wp_hbox), GTK_WIDGET(data->wp_set_btn), TRUE, FALSE, 0);
 417   gtk_box_pack_start(GTK_BOX(data->main_vbox), GTK_WIDGET(data->wp_hbox), FALSE, FALSE, 0);
 418
 419   data->btn_hbox = (gpointer)gtk_hbox_new(TRUE, 0);
 420
 421   data->start_stop_button = GTK_BUTTON (hildon_gtk_button_new (HILDON_SIZE_THUMB_HEIGHT | HILDON_SIZE_HALFSCREEN_WIDTH));
 422   gtk_button_set_label (data->start_stop_button, "Start");
 423   gtk_widget_set_sensitive(GTK_WIDGET(data->start_stop_button), FALSE);
 424   data->save_button = GTK_BUTTON (hildon_gtk_button_new (HILDON_SIZE_THUMB_HEIGHT | HILDON_SIZE_HALFSCREEN_WIDTH));
 425   gtk_button_set_label (data->save_button, "Save");
 426   gtk_widget_set_sensitive(GTK_WIDGET(data->save_button), FALSE);
 427   gtk_box_pack_start(GTK_BOX(data->btn_hbox), GTK_WIDGET(data->start_stop_button), FALSE, FALSE, 8);
 428   gtk_box_pack_start(GTK_BOX(data->btn_hbox), GTK_WIDGET(data->save_button), FALSE, FALSE, 8);
 429   gtk_box_pack_start(GTK_BOX(data->main_vbox), GTK_WIDGET(data->btn_hbox), FALSE, FALSE, 4);
 430
 431         /* Add vbox to main window */
 432         gtk_container_add (GTK_CONTAINER (data->window), GTK_WIDGET(data->main_vbox));
 433
 434   g_signal_connect (G_OBJECT (data->save_button), "clicked", G_CALLBACK (cb_file_save), data);
 435   g_signal_connect (G_OBJECT (data->start_stop_button), "clicked", G_CALLBACK (cb_start_stop), data);
 436   g_signal_connect (G_OBJECT (data->wp_set_btn), "clicked", G_CALLBACK (cb_wp_set_btn), data);
 437         g_signal_connect (G_OBJECT (data->window), "destroy",
 438                         G_CALLBACK (gtk_main_quit), NULL);
 439
 440         control = location_gpsd_control_get_default ();
 441   location_gpsd_control_start (control);
 442
 443         /*
 444          * Note that in real life one may want to use some other method and interval
 445          * than LOCATION_METHOD_USER_SELECTED and LOCATION_INTERVAL_DEFAULT,
 446          * respectively. For more information on possible values for these parameters
 447          * please see liblocation online documentation.
 448          */
 449         g_object_set (G_OBJECT (control),
 450                         "preferred-method", LOCATION_METHOD_USER_SELECTED,
 451                         "preferred-interval", LOCATION_INTERVAL_DEFAULT,
 452                         NULL);
 453
 454         device  = g_object_new (LOCATION_TYPE_GPS_DEVICE, NULL);
 455
 456         g_signal_connect (control, "error",             G_CALLBACK (on_gps_error),              data);
 457         g_signal_connect (control, "gpsd-running",      G_CALLBACK (on_gps_start),              data);
 458         g_signal_connect (control, "gpsd-stopped",      G_CALLBACK (on_gps_stop),               data);
 459         g_signal_connect (device,  "changed",           G_CALLBACK (on_gps_device_changed),     data);
 460
 461         gtk_widget_show_all (GTK_WIDGET (data->window));
 462
 463   hildon_gtk_window_set_progress_indicator(GTK_WINDOW(data->window), 1);
 464         gtk_main ();
 465
 466   location_gpsd_control_stop (control);
 467
 468   if(data->outf_p)
 469     fclose(data->outf_p);
 470   g_unlink(data->intermediate_gpx_data_filename);
 471   g_free(data->working_dir);
 472   g_free(data->intermediate_gpx_data_filename);
 473   g_string_free(data->wp_marker_str, TRUE);
 474   g_free(data);
 475         g_object_unref (device);
 476         g_object_unref (control);
 477
 478         return 0;
 479 }