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