2 #include <glib/gstdio.h>
4 #include <hildon/hildon.h>
5 #include <hildon/hildon-file-chooser-dialog.h>
6 #include <location/location-gpsd-control.h>
7 #include <location/location-gps-device.h>
8 #include <location/location-misc.h>
9 #include <location/location-distance-utils.h>
12 HildonProgram *program;
15 GtkWidget * main_vbox, *btn_hbox;
16 GtkWidget *status_label;
17 GtkButton *start_stop_button, *save_button;
18 gboolean tracking_is_on;
21 gchar *intermediate_gpx_data_filename;
24 static gchar * interface_file_chooser (AppData * appdata, GtkFileChooserAction action)
27 gchar *filename = NULL;
28 gchar tmpname[PATH_MAX];
34 strftime(tmpname, sizeof(tmpname), "gps-tracker-%F-%H-%M.gpx", tmp);
35 dialog = hildon_file_chooser_dialog_new (GTK_WINDOW (appdata->window), action);
36 gtk_widget_show_all (GTK_WIDGET (dialog));
37 gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER (dialog), tmpname);
38 gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(dialog), appdata->working_dir);
40 if (gtk_dialog_run (GTK_DIALOG (dialog)) == GTK_RESPONSE_OK) {
41 filename = gtk_file_chooser_get_filename (GTK_FILE_CHOOSER (dialog));
44 gtk_widget_destroy(dialog);
48 static void write_gpx_header(FILE *fp)
52 "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
53 "<gpx version=\"1.0\"\n"
54 "creator=\"GPS tracker for Maemo\"\n"
55 "xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"\n"
56 "xmlns=\"http://www.topografix.com/GPX/1/0\"\n"
57 "xsi:schemaLocation=\"http://www.topografix.com/GPX/1/0 http://www.topografix.com/GPX/1/0/gpx.xsd\">\n"
62 static void write_gpx_footer(FILE *fp)
65 g_fprintf(fp, "</trkseg>\n</trk>\n</gpx>\n");
68 static void cb_start_stop (GtkWidget * w, AppData * data)
70 data->tracking_is_on = !data->tracking_is_on;
71 if(data->tracking_is_on) { /* START pressed */
72 data->outf_p = fopen(data->intermediate_gpx_data_filename, "w");
73 write_gpx_header(data->outf_p);
74 hildon_banner_show_information(GTK_WIDGET(data->window), NULL, "Tracking started");
75 gtk_button_set_label (data->start_stop_button, "Stop");
76 gtk_widget_set_sensitive(GTK_WIDGET(data->save_button), FALSE);
78 else { /* STOP pressed */
80 write_gpx_footer(data->outf_p);
84 gtk_button_set_label (data->start_stop_button, "Start");
85 hildon_banner_show_information(GTK_WIDGET(data->window), NULL, "Tracking stopped");
86 gtk_widget_set_sensitive(GTK_WIDGET(data->save_button), TRUE);
90 static void cb_file_save (GtkWidget * w, AppData * data)
92 gchar *filename = NULL;
93 filename = interface_file_chooser (data, GTK_FILE_CHOOSER_ACTION_SAVE);
96 if(g_file_test(data->intermediate_gpx_data_filename, G_FILE_TEST_IS_REGULAR | G_FILE_TEST_EXISTS)) {
97 g_rename(data->intermediate_gpx_data_filename, filename);
98 //g_print ("File saved as %s\n", filename);
99 hildon_banner_show_information(GTK_WIDGET(data->window), NULL, filename);
102 hildon_banner_show_information(GTK_WIDGET(data->window), NULL, "Temp file not found");
109 on_gps_device_changed (LocationGPSDevice *device, gpointer data)
111 AppData *app_data = data;
112 GtkLabel *info = (GtkLabel*)app_data->status_label;
114 FILE *fp = app_data->outf_p;
115 gchar sbuf1[G_ASCII_DTOSTR_BUF_SIZE], sbuf2[G_ASCII_DTOSTR_BUF_SIZE];
119 msg = g_string_sized_new (512);
120 if (device->fix && device->status) {
121 if (device->fix->fields & LOCATION_GPS_DEVICE_LATLONG_SET) {
122 //g_print ("lat = %f, long = %f\n", device->fix->latitude, device->fix->longitude);
123 g_string_append_printf (msg, "lat = %f, long = %f\n",
124 device->fix->latitude,
125 device->fix->longitude);
127 g_fprintf(fp, "\n<trkpt lat=\"%s\" lon=\"%s\">\n",
128 g_ascii_formatd(sbuf1, sizeof(sbuf1), "%f", device->fix->latitude),
129 g_ascii_formatd(sbuf2, sizeof(sbuf2), "%f", device->fix->longitude));
131 if (device->fix->fields & LOCATION_GPS_DEVICE_TIME_SET) {
132 //g_print ("time = %f\n", device->fix->time);
133 g_string_append_printf(msg, "time = %F\n", device->fix->time);
137 time_t t = device->fix->time;
139 strftime(st, sizeof(st), "%FT%T%Z", tmp);
140 /* FIXME Is this really correct */
141 g_fprintf(fp, "<time>%s</time>\n", st);
145 if(device->fix->mode == LOCATION_GPS_DEVICE_MODE_2D)
146 g_fprintf(fp, "<fix>2d</fix>\n");
147 else if(device->fix->mode == LOCATION_GPS_DEVICE_MODE_3D)
148 g_fprintf(fp, "<fix>3d</fix>\n");
149 g_fprintf(fp, "sat>%d</sat>\n", device->satellites_in_use);
152 if (device->fix->fields & LOCATION_GPS_DEVICE_ALTITUDE_SET) {
153 //g_print ("alt = %f\n", device->fix->altitude);
154 g_string_append_printf (msg, "alt = %f\n", device->fix->altitude);
156 g_fprintf(fp, "<ele>%s</ele>\n", g_ascii_formatd(sbuf1, sizeof(sbuf1), "%f", device->fix->altitude));
160 if (device->fix->fields & LOCATION_GPS_DEVICE_SPEED_SET) {
161 //g_print ("speed = %f\n", device->fix->speed);
162 g_string_append_printf (msg, "speed = %f, ", device->fix->speed);
164 g_fprintf(fp, "<speed>%s</speed>\n", g_ascii_formatd(sbuf1, sizeof(sbuf1), "%f", device->fix->speed));
167 if (device->fix->fields & LOCATION_GPS_DEVICE_TRACK_SET) {
168 //g_print ("track = %f\n", device->fix->track);
169 g_string_append_printf (msg, "track = %f, ", device->fix->track);
171 g_fprintf(fp, "<course>%s</course>\n", g_ascii_formatd(sbuf1, sizeof(sbuf1), "%f", device->fix->track));
174 if (device->fix->fields & LOCATION_GPS_DEVICE_CLIMB_SET) {
175 //g_print ("climb = %f\n", device->fix->climb);
176 g_string_append_printf (msg, "climb = %f\n", device->fix->climb);
179 //g_print ("Accuracy values:\n");
180 //g_print ("\tept = %e, eph = %e, epv = %e, epd = %e, "
181 // "eps = %e, epc = %e\n",
187 // device->fix->epc);
189 g_fprintf(fp, "<hdop>%s</hdop>\n<vdop>%s</vdop>\n",
190 g_ascii_formatd(sbuf1, sizeof(sbuf1), "%.1f", device->fix->eph / 100.0),
191 g_ascii_formatd(sbuf2, sizeof(sbuf2), "%.1f", device->fix->epv));
192 g_fprintf(fp, "</trkpt>\n");
197 //g_print ("Satellites in view: %d\n", device->satellites_in_view);
198 //g_print ("Satellites in use: %d\n", device->satellites_in_use);
199 g_string_append_printf (msg, "Satellites = % 2d/% 2d\n", device->satellites_in_use, device->satellites_in_view);
200 //g_print ("GPS status: %d\n", device->status);
201 g_string_append_printf (msg, "GPS status: %d\n", device->status);
203 hildon_gtk_window_set_progress_indicator(GTK_WINDOW(app_data->window), device->status == LOCATION_GPS_DEVICE_STATUS_NO_FIX);
206 //if (device->cell_info) {
207 // if (device->cell_info->flags & LOCATION_CELL_INFO_GSM_CELL_INFO_SET)
208 // g_print ("Mobile Coutry Code GSM: %d\n", device->cell_info->gsm_cell_info.mcc);
210 // if (device->cell_info->flags & LOCATION_CELL_INFO_WCDMA_CELL_INFO_SET)
211 // g_print ("Mobile Coutry Code WCDMA: %d\n", device->cell_info->wcdma_cell_info.mcc);
214 gtk_label_set_text(info, msg->str);
215 if(device->status != LOCATION_GPS_DEVICE_STATUS_NO_FIX)
216 gtk_widget_set_sensitive(GTK_WIDGET(app_data->start_stop_button), TRUE);
217 //gtk_widget_show(GTK_WIDGET(info));
218 g_string_free(msg, TRUE);
222 on_gps_error (LocationGPSDevice *device, gpointer data)
224 //AppData *app_data = data;
225 g_error ("GPS error");
229 on_gps_stop (LocationGPSDevice *device, gpointer data)
231 AppData *app_data = data;
232 const gchar *msg = "GPS stopped";
233 hildon_banner_show_information(GTK_WIDGET(app_data->window), NULL, msg);
238 on_gps_start (LocationGPSDevice *device, gpointer data)
240 AppData *app_data = data;
241 const gchar *msg = "GPS started";
242 hildon_banner_show_information(GTK_WIDGET(app_data->window), NULL, msg);
246 int main (int argc, char **argv)
248 AppData * data = g_new0 (AppData, 1);
250 hildon_gtk_init (&argc, &argv);
251 LocationGPSDControl *control;
252 LocationGPSDevice *device;
254 data->working_dir = g_strdup_printf("%s" G_DIR_SEPARATOR_S "MyDocs", g_get_home_dir());
255 data->intermediate_gpx_data_filename = g_strdup_printf("%s" G_DIR_SEPARATOR_S ".gps-tracker.gpx", data->working_dir);
256 data->program = hildon_program_get_instance ();
257 g_set_application_name("GPS tracker");
259 data->window = HILDON_WINDOW(hildon_stackable_window_new ());
260 hildon_program_add_window (data->program, HILDON_WINDOW (data->window));
262 data->main_vbox = (void*)gtk_vbox_new(FALSE, 0);
263 data->btn_hbox = (void*)gtk_hbox_new(TRUE, 0);
265 data->start_stop_button = GTK_BUTTON (hildon_gtk_button_new (HILDON_SIZE_THUMB_HEIGHT | HILDON_SIZE_HALFSCREEN_WIDTH));
266 gtk_button_set_label (data->start_stop_button, "Start");
267 gtk_widget_set_sensitive(GTK_WIDGET(data->start_stop_button), FALSE);
268 data->save_button = GTK_BUTTON (hildon_gtk_button_new (HILDON_SIZE_THUMB_HEIGHT | HILDON_SIZE_HALFSCREEN_WIDTH));
269 gtk_button_set_label (data->save_button, "Save");
270 gtk_widget_set_sensitive(GTK_WIDGET(data->save_button), FALSE);
271 gtk_box_pack_start(GTK_BOX(data->btn_hbox), GTK_WIDGET(data->start_stop_button), FALSE, FALSE, 8);
272 gtk_box_pack_start(GTK_BOX(data->btn_hbox), GTK_WIDGET(data->save_button), FALSE, FALSE, 8);
273 gtk_box_pack_start(GTK_BOX(data->main_vbox), GTK_WIDGET(data->btn_hbox), FALSE, FALSE, 0);
274 data->status_label = gtk_label_new("Waiting for GPS ...");
275 gtk_box_pack_start_defaults(GTK_BOX(data->main_vbox), data->status_label);
276 /* Add vbox to main window */
277 gtk_container_add (GTK_CONTAINER (data->window), GTK_WIDGET(data->main_vbox));
279 g_signal_connect (G_OBJECT (data->save_button), "clicked", G_CALLBACK (cb_file_save), data);
280 g_signal_connect (G_OBJECT (data->start_stop_button), "clicked", G_CALLBACK (cb_start_stop), data);
281 g_signal_connect (G_OBJECT (data->window), "destroy",
282 G_CALLBACK (gtk_main_quit), NULL);
284 control = location_gpsd_control_get_default ();
285 location_gpsd_control_start (control);
288 * Note that in real life one may want to use some other method and interval
289 * than LOCATION_METHOD_USER_SELECTED and LOCATION_INTERVAL_DEFAULT,
290 * respectively. For more information on possible values for these parameters
291 * please see liblocation online documentation.
293 g_object_set (G_OBJECT (control),
294 "preferred-method", LOCATION_METHOD_USER_SELECTED,
295 "preferred-interval", LOCATION_INTERVAL_DEFAULT,
298 device = g_object_new (LOCATION_TYPE_GPS_DEVICE, NULL);
300 g_signal_connect (control, "error", G_CALLBACK (on_gps_error), data);
301 g_signal_connect (control, "gpsd-running", G_CALLBACK (on_gps_start), data);
302 g_signal_connect (control, "gpsd-stopped", G_CALLBACK (on_gps_stop), data);
303 g_signal_connect (device, "changed", G_CALLBACK (on_gps_device_changed), data);
305 gtk_widget_show_all (GTK_WIDGET (data->window));
307 hildon_gtk_window_set_progress_indicator(GTK_WINDOW(data->window), 1);
310 location_gpsd_control_stop (control);
313 fclose(data->outf_p);
314 g_unlink(data->intermediate_gpx_data_filename);
315 g_free(data->working_dir);
316 g_free(data->intermediate_gpx_data_filename);
318 g_object_unref (device);
319 g_object_unref (control);