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     gchar save_fname[256];
  25     time_t t;
  26     struct tm *tmp;
  27
  28     t = time(NULL);
  29     tmp = localtime(&t);
  30     strftime(save_fname, sizeof(save_fname), "gps-tracker-%F-%H-%M.gpx", tmp);
  31     dialog = hildon_file_chooser_dialog_new (GTK_WINDOW (appdata->window), action);
  32     gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER (dialog), save_fname);
  33     g_snprintf(save_fname, sizeof(save_fname), "%s" G_DIR_SEPARATOR_S "MyDocs", g_get_home_dir());
  34     gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(dialog), save_fname);
  35     gtk_widget_show_all (GTK_WIDGET (dialog));
  36
  37     if (gtk_dialog_run (GTK_DIALOG (dialog)) == GTK_RESPONSE_OK) {
  38         filename = gtk_file_chooser_get_filename (GTK_FILE_CHOOSER (dialog));
  39     }
  40
  41     gtk_widget_destroy(dialog);
  42     return filename;
  43 }
  44
  45 static void cb_start_stop (GtkWidget * w, AppData * data)
  46 {
  47   data->tracking_is_on = !data->tracking_is_on;
  48   if(data->tracking_is_on) {
  49     hildon_banner_show_information(GTK_WIDGET(data->window), NULL, "Tracking started");
  50     gtk_button_set_label (data->start_stop_button, "Stop");
  51   }
  52   else {
  53     gtk_button_set_label (data->start_stop_button, "Start");
  54     hildon_banner_show_information(GTK_WIDGET(data->window), NULL, "Tracking stopped");
  55   }
  56 }
  57
  58 static void cb_file_save (GtkWidget * w, AppData * data)
  59 {
  60     gchar *filename = NULL;
  61     filename = interface_file_chooser (data, GTK_FILE_CHOOSER_ACTION_SAVE);
  62
  63     if (filename) {
  64         //FILE * f = fopen (filename, "w");
  65         //fprintf (f, "This file was generated by Hildon File Chooser example.");
  66         //fclose (f);
  67         g_print ("File saved as %s\n", filename);
  68         hildon_banner_show_information(GTK_WIDGET(data->window), NULL, filename);
  69     }
  70     g_free(filename);
  71 }
  72
  73 static void
  74 on_gps_device_changed (LocationGPSDevice *device, gpointer data)
  75 {
  76   AppData *app_data = data;
  77   GtkLabel *info = (GtkLabel*)app_data->status_label;
  78   GString *msg;
  79         if (!device)
  80                 return;
  81
  82   msg = g_string_sized_new (512);
  83         if (device->fix) {
  84                 if (device->fix->fields & LOCATION_GPS_DEVICE_TIME_SET) {
  85                         g_print ("time = %f\n", device->fix->time);
  86       g_string_append_printf(msg, "time = %f\n", device->fix->time);
  87     }
  88
  89                 if (device->fix->fields & LOCATION_GPS_DEVICE_LATLONG_SET) {
  90                         g_print ("lat = %f, long = %f\n",
  91                                         device->fix->latitude,
  92                                         device->fix->longitude);
  93                         g_string_append_printf (msg, "lat = %f, long = %f\n",
  94                                         device->fix->latitude,
  95                                         device->fix->longitude);
  96     }
  97
  98                 if (device->fix->fields & LOCATION_GPS_DEVICE_ALTITUDE_SET) {
  99                         g_print ("alt = %f\n", device->fix->altitude);
 100                         g_string_append_printf (msg, "alt = %f\n", device->fix->altitude);
 101     }
 102
 103                 if (device->fix->fields & LOCATION_GPS_DEVICE_SPEED_SET) {
 104                         g_print ("speed = %f\n", device->fix->speed);
 105                         g_string_append_printf (msg, "speed = %f, ", device->fix->speed);
 106     }
 107
 108                 if (device->fix->fields & LOCATION_GPS_DEVICE_TRACK_SET) {
 109                         g_print ("track = %f\n", device->fix->track);
 110                         g_string_append_printf (msg, "track = %f, ", device->fix->track);
 111     }
 112
 113                 if (device->fix->fields & LOCATION_GPS_DEVICE_CLIMB_SET) {
 114                         g_print ("climb = %f\n", device->fix->climb);
 115                         g_string_append_printf (msg, "climb = %f\n", device->fix->climb);
 116     }
 117
 118                 g_print ("Accuracy values:\n");
 119                 g_print ("\tept = %e, eph = %e, epv = %e, epd = %e, "
 120                                 "eps = %e, epc = %e\n",
 121                                 device->fix->ept,
 122                                 device->fix->eph,
 123                                 device->fix->epv,
 124                                 device->fix->epd,
 125                                 device->fix->eps,
 126                                 device->fix->epc);
 127         }
 128
 129         g_print ("Satellites in view: %d\n", device->satellites_in_view);
 130         g_print ("Satellites in use: %d\n", device->satellites_in_use);
 131   g_string_append_printf (msg, "Satellites = % 2d/% 2d\n", device->satellites_in_use, device->satellites_in_view);
 132         g_print ("GPS status: %d\n", device->status);
 133         g_string_append_printf (msg, "GPS status: %d\n", device->status);
 134
 135   hildon_gtk_window_set_progress_indicator(GTK_WINDOW(app_data->window), device->status == LOCATION_GPS_DEVICE_STATUS_NO_FIX);
 136
 137
 138         if (device->cell_info) {
 139                 if (device->cell_info->flags & LOCATION_CELL_INFO_GSM_CELL_INFO_SET)
 140                         g_print ("Mobile Coutry Code GSM: %d\n", device->cell_info->gsm_cell_info.mcc);
 141
 142                 if (device->cell_info->flags & LOCATION_CELL_INFO_WCDMA_CELL_INFO_SET)
 143                         g_print ("Mobile Coutry Code WCDMA: %d\n", device->cell_info->wcdma_cell_info.mcc);
 144         }
 145
 146   gtk_label_set_text(info, msg->str);
 147   //gtk_widget_show(GTK_WIDGET(info));
 148   g_string_free(msg, TRUE);
 149 }
 150
 151 static void
 152 on_gps_error (LocationGPSDevice *device, gpointer data)
 153 {
 154         g_error ("GPS error");
 155 }
 156
 157 static void
 158 on_gps_stop (LocationGPSDevice *device, gpointer data)
 159 {
 160         g_warning ("GPS stopped");
 161 }
 162
 163 static void
 164 on_gps_start (LocationGPSDevice *device, gpointer data)
 165 {
 166         g_warning ("GPS started");
 167 }
 168
 169 int main (int argc, char **argv)
 170 {
 171         GtkWidget *picker_button = NULL;
 172   AppData * data = g_new0 (AppData, 1);
 173
 174         hildon_gtk_init (&argc, &argv);
 175         LocationGPSDControl *control;
 176         LocationGPSDevice *device;
 177
 178         data->program = hildon_program_get_instance ();
 179         g_set_application_name("GPS tracker");
 180
 181         data->window = HILDON_WINDOW(hildon_stackable_window_new ());
 182         hildon_program_add_window (data->program, HILDON_WINDOW (data->window));
 183
 184   data->main_vbox = (void*)gtk_vbox_new(FALSE, 0);
 185   data->btn_hbox = (void*)gtk_hbox_new(TRUE, 0);
 186
 187         /* Create a picker button */
 188         picker_button = hildon_date_button_new (HILDON_SIZE_AUTO,
 189                         HILDON_BUTTON_ARRANGEMENT_VERTICAL);
 190
 191         /* Set a title to the button*/
 192         hildon_button_set_title (HILDON_BUTTON (picker_button), "Pick a date");
 193
 194   data->start_stop_button = GTK_BUTTON (hildon_gtk_button_new (HILDON_SIZE_THUMB_HEIGHT | HILDON_SIZE_HALFSCREEN_WIDTH));
 195   data->save_button = GTK_BUTTON (hildon_gtk_button_new (HILDON_SIZE_THUMB_HEIGHT | HILDON_SIZE_HALFSCREEN_WIDTH));
 196   gtk_button_set_label (data->start_stop_button, "Start");
 197   gtk_button_set_label (data->save_button, "Save");
 198   gtk_box_pack_start(GTK_BOX(data->btn_hbox), GTK_WIDGET(data->start_stop_button), FALSE, FALSE, 8);
 199   gtk_box_pack_start(GTK_BOX(data->btn_hbox), GTK_WIDGET(data->save_button), FALSE, FALSE, 8);
 200   gtk_box_pack_start(GTK_BOX(data->main_vbox), GTK_WIDGET(data->btn_hbox), FALSE, FALSE, 0);
 201   gtk_box_pack_start(GTK_BOX(data->main_vbox), GTK_WIDGET(picker_button), FALSE, FALSE, 0);
 202   data->status_label = gtk_label_new("Hier kommt der Status hin\nUnd hier ist die 2. Zeile");
 203   gtk_box_pack_start_defaults(GTK_BOX(data->main_vbox), data->status_label);
 204         /* Add vbox to main window */
 205         gtk_container_add (GTK_CONTAINER (data->window), GTK_WIDGET(data->main_vbox));
 206
 207   g_signal_connect (G_OBJECT (data->save_button), "clicked", G_CALLBACK (cb_file_save), data);
 208   g_signal_connect (G_OBJECT (data->start_stop_button), "clicked", G_CALLBACK (cb_start_stop), data);
 209         g_signal_connect (G_OBJECT (data->window), "destroy",
 210                         G_CALLBACK (gtk_main_quit), NULL);
 211
 212         control = location_gpsd_control_get_default ();
 213   //hildon_banner_show_information(GTK_WIDGET(data->window), NULL, "Hi there!");
 214         location_gpsd_control_start (control);
 215
 216         /*
 217          * Note that in real life one may want to use some other method and interval
 218          * than LOCATION_METHOD_USER_SELECTED and LOCATION_INTERVAL_DEFAULT,
 219          * respectively. For more information on possible values for these parameters
 220          * please see liblocation online documentation.
 221          */
 222         g_object_set (G_OBJECT (control),
 223                         "preferred-method", LOCATION_METHOD_USER_SELECTED,
 224                         "preferred-interval", LOCATION_INTERVAL_DEFAULT,
 225                         NULL);
 226
 227         device  = g_object_new (LOCATION_TYPE_GPS_DEVICE, NULL);
 228
 229         g_signal_connect (control, "error",             G_CALLBACK (on_gps_error),              NULL);
 230         g_signal_connect (control, "gpsd-running",      G_CALLBACK (on_gps_start),              NULL);
 231         g_signal_connect (control, "gpsd-stopped",      G_CALLBACK (on_gps_stop),               NULL);
 232         g_signal_connect (device,  "changed",           G_CALLBACK (on_gps_device_changed),     data);
 233
 234         gtk_widget_show_all (GTK_WIDGET (data->window));
 235
 236   hildon_gtk_window_set_progress_indicator(GTK_WINDOW(data->window), 1);
 237         gtk_main ();
 238
 239         location_gpsd_control_stop (control);
 240
 241         g_object_unref (device);
 242         g_object_unref (control);
 243   g_free(data);
 244
 245         return 0;
 246 }