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

   1 #include <glib.h>
   2
   3 #include <hildon/hildon.h>
   4 #include <hildon/hildon-file-chooser-dialog.h>
   5 #include <location/location-gpsd-control.h>
   6 #include <location/location-gps-device.h>
   7 #include <location/location-misc.h>
   8 #include <location/location-distance-utils.h>
   9
  10 typedef struct {
  11     HildonProgram *program;
  12     HildonWindow *window;
  13
  14     GtkWidget * main_vbox;
  15     GtkWidget *status_label;
  16     GtkButton *start_button;
  17 } AppData;
  18
  19 static GtkWidget *window = NULL;
  20
  21 static gchar * interface_file_chooser (AppData * appdata, GtkFileChooserAction action)
  22 {
  23     GtkWidget *dialog;
  24     gchar *filename = NULL;
  25
  26     dialog = hildon_file_chooser_dialog_new (GTK_WINDOW (appdata->window), action);
  27     gtk_widget_show_all (GTK_WIDGET (dialog));
  28
  29     if (gtk_dialog_run (GTK_DIALOG (dialog)) == GTK_RESPONSE_OK) {
  30         filename = gtk_file_chooser_get_filename (GTK_FILE_CHOOSER (dialog));
  31     }
  32
  33     gtk_widget_destroy(dialog);
  34     return filename;
  35 }
  36
  37 static void cb_example_file_save (GtkWidget * w, AppData * data)
  38 {
  39     gchar *filename = NULL;
  40     filename = interface_file_chooser (data, GTK_FILE_CHOOSER_ACTION_SAVE);
  41
  42     if (filename == NULL) {
  43         filename = "NULL";
  44     }
  45     else {
  46         FILE * f = fopen (filename, "w");
  47         fprintf (f, "This file was generated by Hildon File Chooser example.");
  48         fclose (f);
  49     }
  50
  51     g_print ("File saved as %s\n", filename);
  52 }
  53
  54 static void
  55 on_gps_device_changed (LocationGPSDevice *device, gpointer data)
  56 {
  57   GtkLabel *info = (GtkLabel*)data;
  58   GString *msg;
  59         if (!device)
  60                 return;
  61
  62   msg = g_string_sized_new (512);
  63         if (device->fix) {
  64                 if (device->fix->fields & LOCATION_GPS_DEVICE_TIME_SET) {
  65                         g_print ("time = %f\n", device->fix->time);
  66       g_string_append_printf(msg, "time = %f\n", device->fix->time);
  67     }
  68
  69                 if (device->fix->fields & LOCATION_GPS_DEVICE_LATLONG_SET) {
  70                         g_print ("lat = %f, long = %f\n",
  71                                         device->fix->latitude,
  72                                         device->fix->longitude);
  73                         g_string_append_printf (msg, "lat = %f, long = %f\n",
  74                                         device->fix->latitude,
  75                                         device->fix->longitude);
  76     }
  77
  78                 if (device->fix->fields & LOCATION_GPS_DEVICE_ALTITUDE_SET) {
  79                         g_print ("alt = %f\n", device->fix->altitude);
  80                         g_string_append_printf (msg, "alt = %f\n", device->fix->altitude);
  81     }
  82
  83                 if (device->fix->fields & LOCATION_GPS_DEVICE_SPEED_SET) {
  84                         g_print ("speed = %f\n", device->fix->speed);
  85                         g_string_append_printf (msg, "speed = %f, ", device->fix->speed);
  86     }
  87
  88                 if (device->fix->fields & LOCATION_GPS_DEVICE_TRACK_SET) {
  89                         g_print ("track = %f\n", device->fix->track);
  90                         g_string_append_printf (msg, "track = %f, ", device->fix->track);
  91     }
  92
  93                 if (device->fix->fields & LOCATION_GPS_DEVICE_CLIMB_SET) {
  94                         g_print ("climb = %f\n", device->fix->climb);
  95                         g_string_append_printf (msg, "climb = %f\n", device->fix->climb);
  96     }
  97
  98                 g_print ("Accuracy values:\n");
  99                 g_print ("\tept = %e, eph = %e, epv = %e, epd = %e, "
 100                                 "eps = %e, epc = %e\n",
 101                                 device->fix->ept,
 102                                 device->fix->eph,
 103                                 device->fix->epv,
 104                                 device->fix->epd,
 105                                 device->fix->eps,
 106                                 device->fix->epc);
 107         }
 108
 109         g_print ("Satellites in view: %d\n", device->satellites_in_view);
 110         g_print ("Satellites in use: %d\n", device->satellites_in_use);
 111   g_string_append_printf (msg, "Satellites = % 2d/% 2d\n", device->satellites_in_use, device->satellites_in_view);
 112         g_print ("GPS status: %d\n", device->status);
 113         g_string_append_printf (msg, "GPS status: %d\n", device->status);
 114
 115   hildon_gtk_window_set_progress_indicator(GTK_WINDOW(window), device->status == LOCATION_GPS_DEVICE_STATUS_NO_FIX);
 116
 117
 118         if (device->cell_info) {
 119                 if (device->cell_info->flags & LOCATION_CELL_INFO_GSM_CELL_INFO_SET)
 120                         g_print ("Mobile Coutry Code GSM: %d\n", device->cell_info->gsm_cell_info.mcc);
 121
 122                 if (device->cell_info->flags & LOCATION_CELL_INFO_WCDMA_CELL_INFO_SET)
 123                         g_print ("Mobile Coutry Code WCDMA: %d\n", device->cell_info->wcdma_cell_info.mcc);
 124         }
 125
 126   gtk_label_set_text(info, msg->str);
 127   //gtk_widget_show(GTK_WIDGET(info));
 128   g_string_free(msg, TRUE);
 129 }
 130
 131 static void
 132 on_gps_error (LocationGPSDevice *device, gpointer data)
 133 {
 134         g_error ("GPS error");
 135 }
 136
 137 static void
 138 on_gps_stop (LocationGPSDevice *device, gpointer data)
 139 {
 140         g_warning ("GPS stopped");
 141 }
 142
 143 static void
 144 on_gps_start (LocationGPSDevice *device, gpointer data)
 145 {
 146         g_warning ("GPS started");
 147 }
 148
 149 int main (int argc, char **argv)
 150 {
 151         GtkWidget *picker_button = NULL;
 152   AppData * data = g_new0 (AppData, 1);
 153
 154         hildon_gtk_init (&argc, &argv);
 155         LocationGPSDControl *control;
 156         LocationGPSDevice *device;
 157
 158         data->program = hildon_program_get_instance ();
 159         g_set_application_name("GPS tracker");
 160
 161         window = hildon_stackable_window_new ();
 162         hildon_program_add_window (data->program, HILDON_WINDOW (window));
 163
 164   data->main_vbox = (void*)gtk_vbox_new(FALSE, 0);
 165
 166         /* Create a picker button */
 167         picker_button = hildon_date_button_new (HILDON_SIZE_AUTO,
 168                         HILDON_BUTTON_ARRANGEMENT_VERTICAL);
 169
 170         /* Set a title to the button*/
 171         hildon_button_set_title (HILDON_BUTTON (picker_button), "Pick a date");
 172
 173   data->start_button = GTK_BUTTON (hildon_gtk_button_new (HILDON_SIZE_THUMB_HEIGHT));
 174   gtk_button_set_label (data->start_button, "Start");
 175   gtk_box_pack_start(GTK_BOX(data->main_vbox), GTK_WIDGET(data->start_button), FALSE, FALSE, 8);
 176   gtk_box_pack_start(GTK_BOX(data->main_vbox), GTK_WIDGET(picker_button), FALSE, FALSE, 0);
 177   data->status_label = gtk_label_new("Hier kommt der Status hin\nUnd hier ist die 2. Zeile");
 178   gtk_box_pack_start_defaults(GTK_BOX(data->main_vbox), data->status_label);
 179         /* Add vbox to main window */
 180         gtk_container_add (GTK_CONTAINER (window), GTK_WIDGET(data->main_vbox));
 181
 182         g_signal_connect (G_OBJECT (window), "destroy",
 183                         G_CALLBACK (gtk_main_quit), NULL);
 184
 185         control = location_gpsd_control_get_default ();
 186   hildon_banner_show_information(GTK_WIDGET(window), NULL, "Hi there!");
 187         location_gpsd_control_start (control);
 188
 189         /*
 190          * Note that in real life one may want to use some other method and interval
 191          * than LOCATION_METHOD_USER_SELECTED and LOCATION_INTERVAL_DEFAULT,
 192          * respectively. For more information on possible values for these parameters
 193          * please see liblocation online documentation.
 194          */
 195         g_object_set (G_OBJECT (control),
 196                         "preferred-method", LOCATION_METHOD_USER_SELECTED,
 197                         "preferred-interval", LOCATION_INTERVAL_DEFAULT,
 198                         NULL);
 199
 200         device  = g_object_new (LOCATION_TYPE_GPS_DEVICE, NULL);
 201
 202         g_signal_connect (control, "error",             G_CALLBACK (on_gps_error),              NULL);
 203         g_signal_connect (control, "gpsd-running",      G_CALLBACK (on_gps_start),              NULL);
 204         g_signal_connect (control, "gpsd-stopped",      G_CALLBACK (on_gps_stop),               NULL);
 205         g_signal_connect (device,  "changed",           G_CALLBACK (on_gps_device_changed),     data->status_label);
 206
 207         gtk_widget_show_all (GTK_WIDGET (window));
 208
 209   hildon_gtk_window_set_progress_indicator(GTK_WINDOW(window), 1);
 210         gtk_main ();
 211
 212         location_gpsd_control_stop (control);
 213
 214         g_object_unref (device);
 215         g_object_unref (control);
 216   g_free(data);
 217
 218         return 0;
 219 }