2 Speedometer, shows your current speed using GPS
3 Copyright (C) 2008 Wellu Mäkinen <wellu@wellu.org>
5 This program is free software: you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation, either version 3 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>.
23 #include <location/location-gps-device.h>
24 #include <location/location-gpsd-control.h>
26 static void location_changed (LocationGPSDevice *device, gpointer userdata) {
27 g_print ("Latitude: %.2f\nLongitude: %.2f\nAltitude: %.2f\n",
28 device->fix->latitude, device->fix->longitude, device->fix->altitude);
37 int main(int argc, char** argv) {
39 /* We'll have two references to two GTK+ widgets. */
43 /* Initialize the GTK+ library. */
44 gtk_init(&argc, &argv);
50 /* Create a window with window border width of 12 pixels and a
52 window = g_object_new(GTK_TYPE_WINDOW,
54 "title", "Hello GTK+",
57 /* Create the label widget. */
58 label = g_object_new(GTK_TYPE_LABEL,
59 "label", "Hello World!",
62 /* Pack the label into the window layout. */
63 gtk_container_add(GTK_CONTAINER(window), GTK_WIDGET(label));
65 /* Show all widgets that are contained by the window. */
66 gtk_widget_show_all(GTK_WIDGET(window));
73 LocationGPSDevice *device;
74 device = g_object_new (LOCATION_TYPE_GPS_DEVICE, NULL);
76 g_signal_connect (device, "changed", G_CALLBACK (location_changed), NULL);
79 LocationGPSDControl *control;
81 control = location_gpsd_control_get_default ();
82 location_gpsd_control_start(control);
86 /* Start the main event loop. */