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 GtkWidget *window = NULL;
  10
  11 static void
  12 on_gps_device_changed (LocationGPSDevice *device, gpointer data)
  13 {
  14   GtkLabel *info = (GtkLabel*)data;
  15   GString *msg;
  16         if (!device)
  17                 return;
  18
  19   msg = g_string_new("");
  20         if (device->fix) {
  21                 if (device->fix->fields & LOCATION_GPS_DEVICE_TIME_SET) {
  22                         g_print ("time = %f\n", device->fix->time);
  23       g_string_append_printf(msg, "time = %f\n", device->fix->time);
  24     }
  25
  26                 if (device->fix->fields & LOCATION_GPS_DEVICE_LATLONG_SET) {
  27                         g_print ("lat = %f, long = %f\n",
  28                                         device->fix->latitude,
  29                                         device->fix->longitude);
  30                         g_string_append_printf (msg, "lat = %f, long = %f\n",
  31                                         device->fix->latitude,
  32                                         device->fix->longitude);
  33     }
  34
  35                 if (device->fix->fields & LOCATION_GPS_DEVICE_ALTITUDE_SET) {
  36                         g_print ("alt = %f\n", device->fix->altitude);
  37                         g_string_append_printf (msg, "alt = %f\n", device->fix->altitude);
  38     }
  39
  40                 if (device->fix->fields & LOCATION_GPS_DEVICE_SPEED_SET) {
  41                         g_print ("speed = %f\n", device->fix->speed);
  42                         g_string_append_printf (msg, "speed = %f\n", device->fix->speed);
  43     }
  44
  45                 if (device->fix->fields & LOCATION_GPS_DEVICE_TRACK_SET) {
  46                         g_print ("track = %f\n", device->fix->track);
  47                         g_string_append_printf (msg, "track = %f\n", device->fix->track);
  48     }
  49
  50                 if (device->fix->fields & LOCATION_GPS_DEVICE_CLIMB_SET) {
  51                         g_print ("climb = %f\n", device->fix->climb);
  52                         g_string_append_printf (msg, "climb = %f\n", device->fix->climb);
  53     }
  54
  55                 g_print ("Accuracy values:\n");
  56                 g_print ("\tept = %e, eph = %e, epv = %e, epd = %e, "
  57                                 "eps = %e, epc = %e\n",
  58                                 device->fix->ept,
  59                                 device->fix->eph,
  60                                 device->fix->epv,
  61                                 device->fix->epd,
  62                                 device->fix->eps,
  63                                 device->fix->epc);
  64         }
  65
  66         g_print ("Satellites in view: %d\n", device->satellites_in_view);
  67         g_print ("Satellites in use: %d\n", device->satellites_in_use);
  68   g_string_append_printf (msg, "Satellites = % 2d/% 2d\n", device->satellites_in_use, device->satellites_in_view);
  69         g_print ("GPS status: %d\n", device->status);
  70
  71   hildon_gtk_window_set_progress_indicator(GTK_WINDOW(window), device->status == LOCATION_GPS_DEVICE_STATUS_NO_FIX);
  72
  73
  74         if (device->cell_info) {
  75                 if (device->cell_info->flags & LOCATION_CELL_INFO_GSM_CELL_INFO_SET)
  76                         g_print ("Mobile Coutry Code GSM: %d\n", device->cell_info->gsm_cell_info.mcc);
  77
  78                 if (device->cell_info->flags & LOCATION_CELL_INFO_WCDMA_CELL_INFO_SET)
  79                         g_print ("Mobile Coutry Code WCDMA: %d\n", device->cell_info->wcdma_cell_info.mcc);
  80         }
  81
  82   gtk_label_set_text(info, msg->str);
  83   //gtk_widget_show(GTK_WIDGET(info));
  84   g_string_free(msg, TRUE);
  85 }
  86
  87 static void
  88 on_gps_error (LocationGPSDevice *device, gpointer data)
  89 {
  90         g_error ("GPS error");
  91 }
  92
  93 static void
  94 on_gps_stop (LocationGPSDevice *device, gpointer data)
  95 {
  96         g_warning ("GPS stopped");
  97 }
  98
  99 static void
 100 on_gps_start (LocationGPSDevice *device, gpointer data)
 101 {
 102         g_warning ("GPS started");
 103 }
 104
 105 int main (int argc, char **argv)
 106 {
 107         HildonProgram *program = NULL;
 108         GtkWidget *picker_button = NULL;
 109   GtkVBox *vbox;
 110   GtkWidget *status_label;
 111   GtkButton *start_button;
 112
 113         hildon_gtk_init (&argc, &argv);
 114         LocationGPSDControl *control;
 115         LocationGPSDevice *device;
 116
 117         program = hildon_program_get_instance ();
 118         g_set_application_name("GPS tracker");
 119
 120         window = hildon_stackable_window_new ();
 121         hildon_program_add_window (program, HILDON_WINDOW (window));
 122
 123   vbox = (void*)gtk_vbox_new(FALSE, 0);
 124
 125         /* Create a picker button */
 126         picker_button = hildon_date_button_new (HILDON_SIZE_AUTO,
 127                         HILDON_BUTTON_ARRANGEMENT_VERTICAL);
 128
 129         /* Set a title to the button*/
 130         hildon_button_set_title (HILDON_BUTTON (picker_button), "Pick a date");
 131
 132   start_button = GTK_BUTTON (hildon_gtk_button_new (HILDON_SIZE_THUMB_HEIGHT));
 133   gtk_button_set_label (start_button, "Start");
 134   gtk_box_pack_start(GTK_BOX(vbox), GTK_WIDGET(start_button), FALSE, FALSE, 8);
 135   gtk_box_pack_start(GTK_BOX(vbox), GTK_WIDGET(picker_button), FALSE, FALSE, 0);
 136   status_label = gtk_label_new("Hier kommt der Status hin\nUnd hier ist die 2. Zeile");
 137   gtk_box_pack_start_defaults(GTK_BOX(vbox), status_label);
 138         /* Add vbox to main window */
 139         gtk_container_add (GTK_CONTAINER (window), GTK_WIDGET(vbox));
 140
 141         g_signal_connect (G_OBJECT (window), "destroy",
 142                         G_CALLBACK (gtk_main_quit), NULL);
 143
 144         control = location_gpsd_control_get_default ();
 145   hildon_banner_show_information(GTK_WIDGET(window), NULL, "Hi there!");
 146         location_gpsd_control_start (control);
 147
 148         /*
 149          * Note that in real life one may want to use some other method and interval
 150          * than LOCATION_METHOD_USER_SELECTED and LOCATION_INTERVAL_DEFAULT,
 151          * respectively. For more information on possible values for these parameters
 152          * please see liblocation online documentation.
 153          */
 154         g_object_set (G_OBJECT (control),
 155                         "preferred-method", LOCATION_METHOD_USER_SELECTED,
 156                         "preferred-interval", LOCATION_INTERVAL_DEFAULT,
 157                         NULL);
 158
 159         device  = g_object_new (LOCATION_TYPE_GPS_DEVICE, NULL);
 160
 161         g_signal_connect (control, "error",             G_CALLBACK (on_gps_error),              NULL);
 162         g_signal_connect (control, "gpsd-running",      G_CALLBACK (on_gps_start),              NULL);
 163         g_signal_connect (control, "gpsd-stopped",      G_CALLBACK (on_gps_stop),               NULL);
 164         g_signal_connect (device,  "changed",           G_CALLBACK (on_gps_device_changed),     status_label);
 165
 166         gtk_widget_show_all (GTK_WIDGET (window));
 167
 168   hildon_gtk_window_set_progress_indicator(GTK_WINDOW(window), 1);
 169         gtk_main ();
 170
 171         location_gpsd_control_stop (control);
 172
 173         g_object_unref (device);
 174         g_object_unref (control);
 175
 176         return 0;
 177 }