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