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

   1 #include <glib.h>
   2
   3 #include <hildon/hildon.h>
   4 #include <location/location-gpsd-control.h>
   5 #include <location/location-gps-device.h>
   6 #include <location/location-misc.h>
   7 #include <location/location-distance-utils.h>
   8
   9 static void
  10 on_gps_device_changed (LocationGPSDevice *device, gpointer data)
  11 {
  12   GtkLabel *info = (GtkLabel*)data;
  13   GString *msg;
  14         if (!device)
  15                 return;
  16
  17   msg = g_string_new("");
  18         if (device->fix) {
  19                 if (device->fix->fields & LOCATION_GPS_DEVICE_TIME_SET) {
  20                         g_print ("time = %f\n", device->fix->time);
  21       g_string_append_printf(msg, "time = %f\n", device->fix->time);
  22     }
  23
  24                 if (device->fix->fields & LOCATION_GPS_DEVICE_LATLONG_SET) {
  25                         g_print ("lat = %f, long = %f\n",
  26                                         device->fix->latitude,
  27                                         device->fix->longitude);
  28                         g_string_append_printf (msg, "lat = %f, long = %f\n",
  29                                         device->fix->latitude,
  30                                         device->fix->longitude);
  31     }
  32
  33                 if (device->fix->fields & LOCATION_GPS_DEVICE_ALTITUDE_SET) {
  34                         g_print ("alt = %f\n", device->fix->altitude);
  35                         g_string_append_printf (msg, "alt = %f\n", device->fix->altitude);
  36     }
  37
  38                 if (device->fix->fields & LOCATION_GPS_DEVICE_SPEED_SET) {
  39                         g_print ("speed = %f\n", device->fix->speed);
  40                         g_string_append_printf (msg, "speed = %f\n", device->fix->speed);
  41     }
  42
  43                 if (device->fix->fields & LOCATION_GPS_DEVICE_TRACK_SET) {
  44                         g_print ("track = %f\n", device->fix->track);
  45                         g_string_append_printf (msg, "track = %f\n", device->fix->track);
  46     }
  47
  48                 if (device->fix->fields & LOCATION_GPS_DEVICE_CLIMB_SET) {
  49                         g_print ("climb = %f\n", device->fix->climb);
  50                         g_string_append_printf (msg, "climb = %f\n", device->fix->climb);
  51     }
  52
  53                 g_print ("Accuracy values:\n");
  54                 g_print ("\tept = %e, eph = %e, epv = %e, epd = %e, "
  55                                 "eps = %e, epc = %e\n",
  56                                 device->fix->ept,
  57                                 device->fix->eph,
  58                                 device->fix->epv,
  59                                 device->fix->epd,
  60                                 device->fix->eps,
  61                                 device->fix->epc);
  62         }
  63
  64         g_print ("Satellites in view: %d\n", device->satellites_in_view);
  65         g_print ("Satellites in use: %d\n", device->satellites_in_use);
  66         g_print ("GPS status: %d\n", device->status);
  67
  68         if (device->cell_info) {
  69                 if (device->cell_info->flags & LOCATION_CELL_INFO_GSM_CELL_INFO_SET)
  70                         g_print ("Mobile Coutry Code GSM: %d\n", device->cell_info->gsm_cell_info.mcc);
  71
  72                 if (device->cell_info->flags & LOCATION_CELL_INFO_WCDMA_CELL_INFO_SET)
  73                         g_print ("Mobile Coutry Code WCDMA: %d\n", device->cell_info->wcdma_cell_info.mcc);
  74         }
  75
  76   gtk_label_set_text(info, msg->str);
  77   //gtk_widget_show(GTK_WIDGET(info));
  78   g_string_free(msg, TRUE);
  79 }
  80
  81 static void
  82 on_gps_error (LocationGPSDevice *device, gpointer data)
  83 {
  84         g_error ("GPS error");
  85 }
  86
  87 static void
  88 on_gps_stop (LocationGPSDevice *device, gpointer data)
  89 {
  90         g_warning ("GPS stopped");
  91 }
  92
  93 static void
  94 on_gps_start (LocationGPSDevice *device, gpointer data)
  95 {
  96         g_warning ("GPS started");
  97 }
  98
  99 int main (int argc, char **argv)
 100 {
 101         HildonProgram *program = NULL;
 102         GtkWidget *window = NULL;
 103         GtkWidget *picker_button = NULL;
 104   GtkVBox *vbox;
 105   GtkWidget *status_label;
 106
 107         hildon_gtk_init (&argc, &argv);
 108         LocationGPSDControl *control;
 109         LocationGPSDevice *device;
 110
 111         program = hildon_program_get_instance ();
 112         g_set_application_name("GPS tracker");
 113
 114         window = hildon_stackable_window_new ();
 115         hildon_program_add_window (program, HILDON_WINDOW (window));
 116
 117   vbox = (void*)gtk_vbox_new(TRUE, 8);
 118
 119         /* Create a picker button */
 120         picker_button = hildon_date_button_new (HILDON_SIZE_AUTO,
 121                         HILDON_BUTTON_ARRANGEMENT_VERTICAL);
 122
 123         /* Set a title to the button*/
 124         hildon_button_set_title (HILDON_BUTTON (picker_button), "Pick a date");
 125
 126   gtk_box_pack_start(GTK_BOX(vbox), picker_button, FALSE, FALSE, 0);
 127   status_label = gtk_label_new("Hier kommt der Status hin\nUnd hier ist die 2. Zeile");
 128   gtk_box_pack_start_defaults(GTK_BOX(vbox), status_label);
 129         /* Add vbox to main window */
 130         gtk_container_add (GTK_CONTAINER (window), GTK_WIDGET(vbox));
 131
 132         g_signal_connect (G_OBJECT (window), "destroy",
 133                         G_CALLBACK (gtk_main_quit), NULL);
 134
 135         control = location_gpsd_control_get_default ();
 136         location_gpsd_control_start (control);
 137
 138         /*
 139          * Note that in real life one may want to use some other method and interval
 140          * than LOCATION_METHOD_USER_SELECTED and LOCATION_INTERVAL_DEFAULT,
 141          * respectively. For more information on possible values for these parameters
 142          * please see liblocation online documentation.
 143          */
 144         g_object_set (G_OBJECT (control),
 145                         "preferred-method", LOCATION_METHOD_USER_SELECTED,
 146                         "preferred-interval", LOCATION_INTERVAL_DEFAULT,
 147                         NULL);
 148
 149         device  = g_object_new (LOCATION_TYPE_GPS_DEVICE, NULL);
 150
 151         g_signal_connect (control, "error",             G_CALLBACK (on_gps_error),              NULL);
 152         g_signal_connect (control, "gpsd-running",      G_CALLBACK (on_gps_start),              NULL);
 153         g_signal_connect (control, "gpsd-stopped",      G_CALLBACK (on_gps_stop),               NULL);
 154         g_signal_connect (device,  "changed",           G_CALLBACK (on_gps_device_changed),     status_label);
 155
 156         gtk_widget_show_all (GTK_WIDGET (window));
 157
 158         gtk_main ();
 159
 160         location_gpsd_control_stop (control);
 161
 162         g_object_unref (device);
 163         g_object_unref (control);
 164
 165         return 0;
 166 }