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, *btn_hbox;
  15     GtkWidget *status_label;
  16     GtkButton *start_stop_button, *save_button;
  17     gboolean tracking_is_on;
  18 } AppData;
  19
  20 static gchar * interface_file_chooser (AppData * appdata, GtkFileChooserAction action)
  21 {
  22     GtkWidget *dialog;
  23     gchar *filename = NULL;
  24     GDate *date = g_date_new();
  25     gchar save_fname[256];
  26
  27     g_date_set_time_t (date, time (NULL));
  28     g_date_strftime(save_fname, sizeof(save_fname), "gps-tracker-%F-%H-%M.gpx", date);
  29     g_free (date);
  30     dialog = hildon_file_chooser_dialog_new (GTK_WINDOW (appdata->window), action);
  31     gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER (dialog), save_fname);
  32     g_snprintf(save_fname, sizeof(save_fname), "%s" G_DIR_SEPARATOR_S "MyDocs", g_get_home_dir());
  33     gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(dialog), save_fname);
  34     gtk_widget_show_all (GTK_WIDGET (dialog));
  35
  36     if (gtk_dialog_run (GTK_DIALOG (dialog)) == GTK_RESPONSE_OK) {
  37         filename = gtk_file_chooser_get_filename (GTK_FILE_CHOOSER (dialog));
  38     }
  39
  40     gtk_widget_destroy(dialog);
  41     return filename;
  42 }
  43
  44 static void cb_start_stop (GtkWidget * w, AppData * data)
  45 {
  46   data->tracking_is_on = !data->tracking_is_on;
  47   if(data->tracking_is_on) {
  48     hildon_banner_show_information(GTK_WIDGET(data->window), NULL, "Tracking started");
  49     gtk_button_set_label (data->start_stop_button, "Stop");
  50   }
  51   else {
  52     gtk_button_set_label (data->start_stop_button, "Start");
  53     hildon_banner_show_information(GTK_WIDGET(data->window), NULL, "Tracking stopped");
  54   }
  55 }
  56
  57 static void cb_file_save (GtkWidget * w, AppData * data)
  58 {
  59     gchar *filename = NULL;
  60     filename = interface_file_chooser (data, GTK_FILE_CHOOSER_ACTION_SAVE);
  61
  62     if (filename) {
  63         //FILE * f = fopen (filename, "w");
  64         //fprintf (f, "This file was generated by Hildon File Chooser example.");
  65         //fclose (f);
  66         g_print ("File saved as %s\n", filename);
  67         hildon_banner_show_information(GTK_WIDGET(data->window), NULL, filename);
  68     }
  69     g_free(filename);
  70 }
  71
  72 static void
  73 on_gps_device_changed (LocationGPSDevice *device, gpointer data)
  74 {
  75   AppData *app_data = data;
  76   GtkLabel *info = (GtkLabel*)app_data->status_label;
  77   GString *msg;
  78         if (!device)
  79                 return;
  80
  81   msg = g_string_sized_new (512);
  82         if (device->fix) {
  83                 if (device->fix->fields & LOCATION_GPS_DEVICE_TIME_SET) {
  84                         g_print ("time = %f\n", device->fix->time);
  85       g_string_append_printf(msg, "time = %f\n", device->fix->time);
  86     }
  87
  88                 if (device->fix->fields & LOCATION_GPS_DEVICE_LATLONG_SET) {
  89                         g_print ("lat = %f, long = %f\n",
  90                                         device->fix->latitude,
  91                                         device->fix->longitude);
  92                         g_string_append_printf (msg, "lat = %f, long = %f\n",
  93                                         device->fix->latitude,
  94                                         device->fix->longitude);
  95     }
  96
  97                 if (device->fix->fields & LOCATION_GPS_DEVICE_ALTITUDE_SET) {
  98                         g_print ("alt = %f\n", device->fix->altitude);
  99                         g_string_append_printf (msg, "alt = %f\n", device->fix->altitude);
 100     }
 101
 102                 if (device->fix->fields & LOCATION_GPS_DEVICE_SPEED_SET) {
 103                         g_print ("speed = %f\n", device->fix->speed);
 104                         g_string_append_printf (msg, "speed = %f, ", device->fix->speed);
 105     }
 106
 107                 if (device->fix->fields & LOCATION_GPS_DEVICE_TRACK_SET) {
 108                         g_print ("track = %f\n", device->fix->track);
 109                         g_string_append_printf (msg, "track = %f, ", device->fix->track);
 110     }
 111
 112                 if (device->fix->fields & LOCATION_GPS_DEVICE_CLIMB_SET) {
 113                         g_print ("climb = %f\n", device->fix->climb);
 114                         g_string_append_printf (msg, "climb = %f\n", device->fix->climb);
 115     }
 116
 117                 g_print ("Accuracy values:\n");
 118                 g_print ("\tept = %e, eph = %e, epv = %e, epd = %e, "
 119                                 "eps = %e, epc = %e\n",
 120                                 device->fix->ept,
 121                                 device->fix->eph,
 122                                 device->fix->epv,
 123                                 device->fix->epd,
 124                                 device->fix->eps,
 125                                 device->fix->epc);
 126         }
 127
 128         g_print ("Satellites in view: %d\n", device->satellites_in_view);
 129         g_print ("Satellites in use: %d\n", device->satellites_in_use);
 130   g_string_append_printf (msg, "Satellites = % 2d/% 2d\n", device->satellites_in_use, device->satellites_in_view);
 131         g_print ("GPS status: %d\n", device->status);
 132         g_string_append_printf (msg, "GPS status: %d\n", device->status);
 133
 134   hildon_gtk_window_set_progress_indicator(GTK_WINDOW(app_data->window), device->status == LOCATION_GPS_DEVICE_STATUS_NO_FIX);
 135
 136
 137         if (device->cell_info) {
 138                 if (device->cell_info->flags & LOCATION_CELL_INFO_GSM_CELL_INFO_SET)
 139                         g_print ("Mobile Coutry Code GSM: %d\n", device->cell_info->gsm_cell_info.mcc);
 140
 141                 if (device->cell_info->flags & LOCATION_CELL_INFO_WCDMA_CELL_INFO_SET)
 142                         g_print ("Mobile Coutry Code WCDMA: %d\n", device->cell_info->wcdma_cell_info.mcc);
 143         }
 144
 145   gtk_label_set_text(info, msg->str);
 146   //gtk_widget_show(GTK_WIDGET(info));
 147   g_string_free(msg, TRUE);
 148 }
 149
 150 static void
 151 on_gps_error (LocationGPSDevice *device, gpointer data)
 152 {
 153         g_error ("GPS error");
 154 }
 155
 156 static void
 157 on_gps_stop (LocationGPSDevice *device, gpointer data)
 158 {
 159         g_warning ("GPS stopped");
 160 }
 161
 162 static void
 163 on_gps_start (LocationGPSDevice *device, gpointer data)
 164 {
 165         g_warning ("GPS started");
 166 }
 167
 168 int main (int argc, char **argv)
 169 {
 170         GtkWidget *picker_button = NULL;
 171   AppData * data = g_new0 (AppData, 1);
 172
 173         hildon_gtk_init (&argc, &argv);
 174         LocationGPSDControl *control;
 175         LocationGPSDevice *device;
 176
 177         data->program = hildon_program_get_instance ();
 178         g_set_application_name("GPS tracker");
 179
 180         data->window = HILDON_WINDOW(hildon_stackable_window_new ());
 181         hildon_program_add_window (data->program, HILDON_WINDOW (data->window));
 182
 183   data->main_vbox = (void*)gtk_vbox_new(FALSE, 0);
 184   data->btn_hbox = (void*)gtk_hbox_new(TRUE, 0);
 185
 186         /* Create a picker button */
 187         picker_button = hildon_date_button_new (HILDON_SIZE_AUTO,
 188                         HILDON_BUTTON_ARRANGEMENT_VERTICAL);
 189
 190         /* Set a title to the button*/
 191         hildon_button_set_title (HILDON_BUTTON (picker_button), "Pick a date");
 192
 193   data->start_stop_button = GTK_BUTTON (hildon_gtk_button_new (HILDON_SIZE_THUMB_HEIGHT | HILDON_SIZE_HALFSCREEN_WIDTH));
 194   data->save_button = GTK_BUTTON (hildon_gtk_button_new (HILDON_SIZE_THUMB_HEIGHT | HILDON_SIZE_HALFSCREEN_WIDTH));
 195   gtk_button_set_label (data->start_stop_button, "Start");
 196   gtk_button_set_label (data->save_button, "Save");
 197   gtk_box_pack_start(GTK_BOX(data->btn_hbox), GTK_WIDGET(data->start_stop_button), FALSE, FALSE, 8);
 198   gtk_box_pack_start(GTK_BOX(data->btn_hbox), GTK_WIDGET(data->save_button), FALSE, FALSE, 8);
 199   gtk_box_pack_start(GTK_BOX(data->main_vbox), GTK_WIDGET(data->btn_hbox), FALSE, FALSE, 0);
 200   gtk_box_pack_start(GTK_BOX(data->main_vbox), GTK_WIDGET(picker_button), FALSE, FALSE, 0);
 201   data->status_label = gtk_label_new("Hier kommt der Status hin\nUnd hier ist die 2. Zeile");
 202   gtk_box_pack_start_defaults(GTK_BOX(data->main_vbox), data->status_label);
 203         /* Add vbox to main window */
 204         gtk_container_add (GTK_CONTAINER (data->window), GTK_WIDGET(data->main_vbox));
 205
 206   g_signal_connect (G_OBJECT (data->save_button), "clicked", G_CALLBACK (cb_file_save), data);
 207   g_signal_connect (G_OBJECT (data->start_stop_button), "clicked", G_CALLBACK (cb_start_stop), data);
 208         g_signal_connect (G_OBJECT (data->window), "destroy",
 209                         G_CALLBACK (gtk_main_quit), NULL);
 210
 211         control = location_gpsd_control_get_default ();
 212   //hildon_banner_show_information(GTK_WIDGET(data->window), NULL, "Hi there!");
 213         location_gpsd_control_start (control);
 214
 215         /*
 216          * Note that in real life one may want to use some other method and interval
 217          * than LOCATION_METHOD_USER_SELECTED and LOCATION_INTERVAL_DEFAULT,
 218          * respectively. For more information on possible values for these parameters
 219          * please see liblocation online documentation.
 220          */
 221         g_object_set (G_OBJECT (control),
 222                         "preferred-method", LOCATION_METHOD_USER_SELECTED,
 223                         "preferred-interval", LOCATION_INTERVAL_DEFAULT,
 224                         NULL);
 225
 226         device  = g_object_new (LOCATION_TYPE_GPS_DEVICE, NULL);
 227
 228         g_signal_connect (control, "error",             G_CALLBACK (on_gps_error),              NULL);
 229         g_signal_connect (control, "gpsd-running",      G_CALLBACK (on_gps_start),              NULL);
 230         g_signal_connect (control, "gpsd-stopped",      G_CALLBACK (on_gps_stop),               NULL);
 231         g_signal_connect (device,  "changed",           G_CALLBACK (on_gps_device_changed),     data);
 232
 233         gtk_widget_show_all (GTK_WIDGET (data->window));
 234
 235   hildon_gtk_window_set_progress_indicator(GTK_WINDOW(data->window), 1);
 236         gtk_main ();
 237
 238         location_gpsd_control_stop (control);
 239
 240         g_object_unref (device);
 241         g_object_unref (control);
 242   g_free(data);
 243
 244         return 0;
 245 }