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 GtkButton *start_stop_button, *save_button;
17 GtkWidget *wp_hbox, *wp_label, *wp_name_entry;
18 GtkWidget *loc_hbox, *loc_gps_data, *loc_track_data;
19 GtkTable *loc_gps_data_table, *loc_track_data_table;
20 GtkWidget *lat_val_label, *lon_val_label, *alt_val_label, *sat_val_label;
21 GtkWidget *speed_val_label, *track_val_label, *climb_val_label;
22 //GtkWidget *wp_label;
23 GtkButton *wp_set_btn;
24 GString *wp_marker_str;
25 gboolean tracking_is_on;
28 gchar *intermediate_gpx_data_filename;
31 static gchar * interface_file_chooser (AppData * appdata, GtkFileChooserAction action)
34 gchar *filename = NULL;
35 gchar tmpname[PATH_MAX];
41 strftime(tmpname, sizeof(tmpname), "gps-tracker-%Y%m%d_%H%M%S.gpx", tmp);
42 dialog = hildon_file_chooser_dialog_new (GTK_WINDOW (appdata->window), action);
43 gtk_widget_show_all (GTK_WIDGET (dialog));
44 gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER (dialog), tmpname);
45 gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(dialog), appdata->working_dir);
47 if (gtk_dialog_run (GTK_DIALOG (dialog)) == GTK_RESPONSE_OK) {
48 filename = gtk_file_chooser_get_filename (GTK_FILE_CHOOSER (dialog));
51 gtk_widget_destroy(dialog);
55 static void write_gpx_header(FILE *fp)
59 "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
60 "<gpx version=\"1.0\"\n"
61 "creator=\"GPS tracker for Maemo\"\n"
62 "xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"\n"
63 "xmlns=\"http://www.topografix.com/GPX/1/0\"\n"
64 "xsi:schemaLocation=\"http://www.topografix.com/GPX/1/0 http://www.topografix.com/GPX/1/0/gpx.xsd\">\n"
69 static void write_gpx_footer(FILE *fp)
72 g_fprintf(fp, "</trkseg>\n</trk>\n</gpx>\n");
75 static void cb_wp_set_btn (GtkWidget * w, AppData * data)
77 HildonEntry *entry = (HildonEntry*)data->wp_name_entry;
78 const gchar *marker_name = hildon_entry_get_text(entry);
80 g_string_assign(data->wp_marker_str, marker_name);
81 //hildon_banner_show_information(GTK_WIDGET(data->window), NULL, data->wp_marker_str->str);
82 hildon_entry_set_text(entry, "");
85 g_string_truncate(data->wp_marker_str, 0);
86 hildon_banner_show_information(GTK_WIDGET(data->window), NULL, "WARNING: no marker name given");
90 static void cb_start_stop (GtkWidget * w, AppData * data)
92 data->tracking_is_on = !data->tracking_is_on;
93 if(data->tracking_is_on) { /* START pressed */
94 data->outf_p = fopen(data->intermediate_gpx_data_filename, "w");
95 write_gpx_header(data->outf_p);
96 //hildon_banner_show_information(GTK_WIDGET(data->window), NULL, "Tracking started");
97 gtk_button_set_label (data->start_stop_button, "Stop");
98 gtk_widget_set_sensitive(GTK_WIDGET(data->save_button), FALSE);
99 gtk_widget_set_sensitive(GTK_WIDGET(data->wp_set_btn), TRUE);
101 else { /* STOP pressed */
103 write_gpx_footer(data->outf_p);
104 fclose(data->outf_p);
107 gtk_button_set_label (data->start_stop_button, "Start");
108 //hildon_banner_show_information(GTK_WIDGET(data->window), NULL, "Tracking stopped");
109 gtk_widget_set_sensitive(GTK_WIDGET(data->save_button), TRUE);
110 gtk_widget_set_sensitive(GTK_WIDGET(data->wp_set_btn), FALSE);
112 g_string_truncate(data->wp_marker_str, 0);
115 static void cb_file_save (GtkWidget * w, AppData * data)
117 gchar *filename = NULL;
118 filename = interface_file_chooser (data, GTK_FILE_CHOOSER_ACTION_SAVE);
121 if(g_file_test(data->intermediate_gpx_data_filename, G_FILE_TEST_IS_REGULAR | G_FILE_TEST_EXISTS)) {
122 g_rename(data->intermediate_gpx_data_filename, filename);
123 //g_print ("File saved as %s\n", filename);
124 hildon_banner_show_information(GTK_WIDGET(data->window), NULL, filename);
127 hildon_banner_show_information(GTK_WIDGET(data->window), NULL, "Temp file not found");
133 #define SPAN_PREFIX "<span font_family='monospace'>"
134 #define SPAN_POST "</span>"
135 #define LABEL_FMT(s) SPAN_PREFIX s SPAN_POST
136 #define CHANGE_LABEL(w,fmt,val) change_label_text(w, SPAN_PREFIX fmt SPAN_POST, val)
137 #define CHANGE_LABEL2(w,fmt,val1, val2) change_label_text(w, SPAN_PREFIX fmt SPAN_POST, val1, val2)
139 static void change_label_text(GtkWidget *l, gchar *format, ...)
143 va_start(args, format);
144 g_vsnprintf(buf, sizeof(buf), format, args);
146 gtk_label_set_markup(GTK_LABEL(l), buf);
149 static void on_gps_device_changed (LocationGPSDevice *device, gpointer data)
151 AppData *app_data = data;
152 FILE *fp = app_data->outf_p;
153 gchar sbuf1[G_ASCII_DTOSTR_BUF_SIZE], sbuf2[G_ASCII_DTOSTR_BUF_SIZE];
157 if (device->fix && device->status) {
158 if (device->fix->fields & LOCATION_GPS_DEVICE_LATLONG_SET) {
159 //g_print ("lat = %f, long = %f\n", device->fix->latitude, device->fix->longitude);
160 CHANGE_LABEL(app_data->lat_val_label, "% 9.6f", device->fix->latitude);
161 CHANGE_LABEL(app_data->lon_val_label, "% 9.6f", device->fix->longitude);
163 g_fprintf(fp, "\n<trkpt lat=\"%s\" lon=\"%s\">\n",
164 g_ascii_formatd(sbuf1, sizeof(sbuf1), "%f", device->fix->latitude),
165 g_ascii_formatd(sbuf2, sizeof(sbuf2), "%f", device->fix->longitude));
166 if(app_data->wp_marker_str->len) {
167 g_fprintf(fp, "<name>%s</name>\n", app_data->wp_marker_str->str);
168 hildon_banner_show_information(GTK_WIDGET(app_data->window), NULL, app_data->wp_marker_str->str);
169 g_string_truncate(app_data->wp_marker_str, 0);
173 if (device->fix->fields & LOCATION_GPS_DEVICE_TIME_SET) {
174 //g_print ("time = %f\n", device->fix->time);
178 time_t t = device->fix->time;
180 strftime(st, sizeof(st), "%FT%T%Z", tmp);
181 /* FIXME Is this really correct */
182 g_fprintf(fp, "<time>%s</time>\n", st);
186 if(device->fix->mode == LOCATION_GPS_DEVICE_MODE_2D)
187 g_fprintf(fp, "<fix>2d</fix>\n");
188 else if(device->fix->mode == LOCATION_GPS_DEVICE_MODE_3D)
189 g_fprintf(fp, "<fix>3d</fix>\n");
190 g_fprintf(fp, "<sat>%d</sat>\n", device->satellites_in_use);
193 if (device->fix->fields & LOCATION_GPS_DEVICE_ALTITUDE_SET) {
194 //g_print ("alt = %f\n", device->fix->altitude);
195 CHANGE_LABEL(app_data->alt_val_label, "% 5.0f", device->fix->altitude);
197 g_fprintf(fp, "<ele>%s</ele>\n", g_ascii_formatd(sbuf1, sizeof(sbuf1), "%f", device->fix->altitude));
201 if (device->fix->fields & LOCATION_GPS_DEVICE_SPEED_SET) {
202 //g_print ("speed = %f\n", device->fix->speed);
203 CHANGE_LABEL(app_data->speed_val_label, "% 5.1fkm/h", device->fix->speed);
205 g_fprintf(fp, "<speed>%s</speed>\n", g_ascii_formatd(sbuf1, sizeof(sbuf1), "%f", device->fix->speed));
208 if (device->fix->fields & LOCATION_GPS_DEVICE_TRACK_SET) {
209 //g_print ("track = %f\n", device->fix->track);
210 CHANGE_LABEL(app_data->track_val_label, "%4.0f°", device->fix->track);
212 g_fprintf(fp, "<course>%s</course>\n", g_ascii_formatd(sbuf1, sizeof(sbuf1), "%f", device->fix->track));
215 if (device->fix->fields & LOCATION_GPS_DEVICE_CLIMB_SET) {
216 //g_print ("climb = %f\n", device->fix->climb);
217 CHANGE_LABEL(app_data->climb_val_label, "%+4.0f°", device->fix->climb);
220 //g_print ("Accuracy values:\n");
221 //g_print ("\tept = %e, eph = %e, epv = %e, epd = %e, "
222 // "eps = %e, epc = %e\n",
228 // device->fix->epc);
230 g_fprintf(fp, "<hdop>%s</hdop>\n<vdop>%s</vdop>\n",
231 g_ascii_formatd(sbuf1, sizeof(sbuf1), "%.1f", device->fix->eph / 100.0),
232 g_ascii_formatd(sbuf2, sizeof(sbuf2), "%.1f", device->fix->epv));
233 g_fprintf(fp, "</trkpt>\n");
238 //g_print ("Satellites in view: %d\n", device->satellites_in_view);
239 //g_print ("Satellites in use: %d\n", device->satellites_in_use);
240 CHANGE_LABEL2(app_data->sat_val_label, "%3d/%2d", device->satellites_in_use, device->satellites_in_view);
241 //g_print ("GPS status: %d\n", device->status);
243 hildon_gtk_window_set_progress_indicator(GTK_WINDOW(app_data->window), device->status == LOCATION_GPS_DEVICE_STATUS_NO_FIX);
246 //if (device->cell_info) {
247 // if (device->cell_info->flags & LOCATION_CELL_INFO_GSM_CELL_INFO_SET)
248 // g_print ("Mobile Coutry Code GSM: %d\n", device->cell_info->gsm_cell_info.mcc);
250 // if (device->cell_info->flags & LOCATION_CELL_INFO_WCDMA_CELL_INFO_SET)
251 // g_print ("Mobile Coutry Code WCDMA: %d\n", device->cell_info->wcdma_cell_info.mcc);
254 if(device->status != LOCATION_GPS_DEVICE_STATUS_NO_FIX)
255 gtk_widget_set_sensitive(GTK_WIDGET(app_data->start_stop_button), TRUE);
259 on_gps_error (LocationGPSDevice *device, gpointer data)
261 //AppData *app_data = data;
262 g_error ("GPS error");
266 on_gps_stop (LocationGPSDevice *device, gpointer data)
268 AppData *app_data = data;
269 const gchar *msg = "GPS stopped";
270 hildon_banner_show_information(GTK_WIDGET(app_data->window), NULL, msg);
275 on_gps_start (LocationGPSDevice *device, gpointer data)
277 AppData *app_data = data;
278 const gchar *msg = "GPS started";
279 hildon_banner_show_information(GTK_WIDGET(app_data->window), NULL, msg);
283 int main (int argc, char **argv)
285 AppData * data = g_new0 (AppData, 1);
287 hildon_gtk_init (&argc, &argv);
288 LocationGPSDControl *control;
289 LocationGPSDevice *device;
291 data->working_dir = g_strdup_printf("%s" G_DIR_SEPARATOR_S "MyDocs", g_get_home_dir());
292 data->intermediate_gpx_data_filename = g_strdup_printf("%s" G_DIR_SEPARATOR_S ".gps-tracker.gpx", data->working_dir);
293 data->program = hildon_program_get_instance ();
294 g_set_application_name("GPS tracker");
296 data->window = HILDON_WINDOW(hildon_stackable_window_new());
297 hildon_program_add_window (data->program, HILDON_WINDOW (data->window));
299 data->wp_marker_str = g_string_sized_new(64);
300 data->main_vbox = (gpointer)gtk_vbox_new(FALSE, 0);
301 data->loc_hbox = (gpointer)gtk_hbox_new(FALSE, 0);
302 data->loc_gps_data_table = (gpointer)gtk_table_new(4, 2, FALSE);
304 GtkWidget *alignment_gps = gtk_alignment_new (0.5, 0.5, 1, 1);
305 GtkWidget *lat_label = gtk_label_new("Lat:");
306 GtkWidget *lon_label = gtk_label_new("Lon:");
307 GtkWidget *alt_label = gtk_label_new("Alt:");
308 GtkWidget *sat_label = gtk_label_new("Sat:");
310 gtk_alignment_set_padding(GTK_ALIGNMENT(alignment_gps), 0,0,0,0);
311 gtk_misc_set_alignment (GTK_MISC (lat_label), 1, 0.5);
312 gtk_misc_set_alignment (GTK_MISC (lon_label), 1, 0.5);
313 gtk_misc_set_alignment (GTK_MISC (alt_label), 1, 0.5);
314 gtk_misc_set_alignment (GTK_MISC (sat_label), 1, 0.5);
315 gtk_table_attach_defaults(data->loc_gps_data_table, lat_label, 0, 1, 0, 1);
316 gtk_table_attach_defaults(data->loc_gps_data_table, lon_label, 0, 1, 1, 2);
317 gtk_table_attach_defaults(data->loc_gps_data_table, alt_label, 0, 1, 2, 3);
318 gtk_table_attach_defaults(data->loc_gps_data_table, sat_label, 0, 1, 3, 4);
319 data->lat_val_label = gtk_label_new(" ?");
320 data->lon_val_label = gtk_label_new(" ?");
321 data->alt_val_label = gtk_label_new(" ?");
322 data->sat_val_label = gtk_label_new(" 0/ 0");
323 gtk_misc_set_alignment (GTK_MISC (data->lat_val_label), 0, 0.5);
324 gtk_misc_set_alignment (GTK_MISC (data->lon_val_label), 0, 0.5);
325 gtk_misc_set_alignment (GTK_MISC (data->alt_val_label), 0, 0.5);
326 gtk_misc_set_alignment (GTK_MISC (data->sat_val_label), 0, 0.5);
327 gtk_table_attach_defaults(data->loc_gps_data_table, data->lat_val_label, 1, 2, 0, 1);
328 gtk_table_attach_defaults(data->loc_gps_data_table, data->lon_val_label, 1, 2, 1, 2);
329 gtk_table_attach_defaults(data->loc_gps_data_table, data->alt_val_label, 1, 2, 2, 3);
330 gtk_table_attach_defaults(data->loc_gps_data_table, data->sat_val_label, 1, 2, 3, 4);
331 data->loc_gps_data = hildon_caption_new(NULL, "", (gpointer)data->loc_gps_data_table, NULL, HILDON_CAPTION_MANDATORY);
332 //hildon_caption_set_label_alignment(data->loc_gps_data, 0);
333 //hildon_caption_set_separator((gpointer)data->loc_gps_data, " ");
334 hildon_caption_set_label_markup((gpointer)data->loc_gps_data, "<big><b>GPS data</b></big>");
335 gtk_container_add (GTK_CONTAINER (alignment_gps), GTK_WIDGET(data->loc_gps_data));
336 gtk_box_pack_start(GTK_BOX(data->loc_hbox), alignment_gps, TRUE, FALSE, 0);
339 gtk_box_pack_start(GTK_BOX(data->loc_hbox), gtk_vseparator_new(), TRUE, FALSE, 0);
341 data->loc_track_data_table = (gpointer)gtk_table_new(4, 2, TRUE);
343 GtkWidget *alignment_track = gtk_alignment_new (0.5, 0.5, 1, 1);
344 GtkWidget *speed_label = gtk_label_new("Speed:");
345 GtkWidget *track_label = gtk_label_new("Heading:");
346 GtkWidget *climb_label = gtk_label_new("Climb:");
347 gtk_alignment_set_padding(GTK_ALIGNMENT(alignment_track), 0,0,0,0);
348 gtk_misc_set_alignment (GTK_MISC (speed_label), 1, 0.5);
349 gtk_misc_set_alignment (GTK_MISC (track_label), 1, 0.5);
350 gtk_misc_set_alignment (GTK_MISC (climb_label), 1, 0.5);
351 gtk_table_attach_defaults(data->loc_track_data_table, speed_label, 0, 1, 0, 1);
352 gtk_table_attach_defaults(data->loc_track_data_table, track_label, 0, 1, 1, 2);
353 gtk_table_attach_defaults(data->loc_track_data_table, climb_label, 0, 1, 2, 3);
354 data->speed_val_label = gtk_label_new(" ?");
355 data->track_val_label = gtk_label_new(" ?");
356 data->climb_val_label = gtk_label_new(" ?");
357 gtk_misc_set_alignment (GTK_MISC (data->speed_val_label), 0, 0.5);
358 gtk_misc_set_alignment (GTK_MISC (data->track_val_label), 0, 0.5);
359 gtk_misc_set_alignment (GTK_MISC (data->climb_val_label), 0, 0.5);
360 gtk_table_attach_defaults(data->loc_track_data_table, data->speed_val_label, 1, 2, 0, 1);
361 gtk_table_attach_defaults(data->loc_track_data_table, data->track_val_label, 1, 2, 1, 2);
362 gtk_table_attach_defaults(data->loc_track_data_table, data->climb_val_label, 1, 2, 2, 3);
363 data->loc_track_data = hildon_caption_new(NULL, "", (gpointer)data->loc_track_data_table, NULL, HILDON_CAPTION_MANDATORY);
364 //hildon_caption_set_label_alignment((gpointer)data->loc_track_data, 0);
365 hildon_caption_set_label_markup((gpointer)data->loc_track_data, "<big><b>Track</b></big>");
366 gtk_container_add (GTK_CONTAINER (alignment_track), GTK_WIDGET(data->loc_track_data));
367 gtk_box_pack_end(GTK_BOX(data->loc_hbox), alignment_track, TRUE, FALSE, 0);
370 gtk_box_pack_start(GTK_BOX(data->main_vbox), GTK_WIDGET(data->loc_hbox), TRUE, FALSE, 0);
372 data->wp_hbox = (gpointer)gtk_hbox_new(TRUE, 0);
373 //data->wp_label = gtk_label_new("Marker:");
374 data->wp_name_entry = hildon_entry_new (HILDON_SIZE_HALFSCREEN_WIDTH);
375 //hildon_entry_set_placeholder (HILDON_ENTRY (data->wp_name_entry), "First name");
376 data->wp_set_btn = GTK_BUTTON (hildon_gtk_button_new (HILDON_SIZE_HALFSCREEN_WIDTH));
377 gtk_button_set_label (data->wp_set_btn, "Set marker");
378 gtk_widget_set_sensitive(GTK_WIDGET(data->wp_set_btn), FALSE);
379 //gtk_box_pack_start(GTK_BOX(data->wp_hbox), GTK_WIDGET(data->wp_label), TRUE, FALSE, 0);
380 gtk_box_pack_start(GTK_BOX(data->wp_hbox), GTK_WIDGET(data->wp_name_entry), TRUE, FALSE, 0);
381 gtk_box_pack_start(GTK_BOX(data->wp_hbox), GTK_WIDGET(data->wp_set_btn), TRUE, FALSE, 0);
382 gtk_box_pack_start(GTK_BOX(data->main_vbox), GTK_WIDGET(data->wp_hbox), FALSE, FALSE, 0);
384 data->btn_hbox = (gpointer)gtk_hbox_new(TRUE, 0);
386 data->start_stop_button = GTK_BUTTON (hildon_gtk_button_new (HILDON_SIZE_THUMB_HEIGHT | HILDON_SIZE_HALFSCREEN_WIDTH));
387 gtk_button_set_label (data->start_stop_button, "Start");
388 gtk_widget_set_sensitive(GTK_WIDGET(data->start_stop_button), FALSE);
389 data->save_button = GTK_BUTTON (hildon_gtk_button_new (HILDON_SIZE_THUMB_HEIGHT | HILDON_SIZE_HALFSCREEN_WIDTH));
390 gtk_button_set_label (data->save_button, "Save");
391 gtk_widget_set_sensitive(GTK_WIDGET(data->save_button), FALSE);
392 gtk_box_pack_start(GTK_BOX(data->btn_hbox), GTK_WIDGET(data->start_stop_button), FALSE, FALSE, 8);
393 gtk_box_pack_start(GTK_BOX(data->btn_hbox), GTK_WIDGET(data->save_button), FALSE, FALSE, 8);
394 gtk_box_pack_start(GTK_BOX(data->main_vbox), GTK_WIDGET(data->btn_hbox), FALSE, FALSE, 4);
396 /* Add vbox to main window */
397 gtk_container_add (GTK_CONTAINER (data->window), GTK_WIDGET(data->main_vbox));
399 g_signal_connect (G_OBJECT (data->save_button), "clicked", G_CALLBACK (cb_file_save), data);
400 g_signal_connect (G_OBJECT (data->start_stop_button), "clicked", G_CALLBACK (cb_start_stop), data);
401 g_signal_connect (G_OBJECT (data->wp_set_btn), "clicked", G_CALLBACK (cb_wp_set_btn), data);
402 g_signal_connect (G_OBJECT (data->window), "destroy",
403 G_CALLBACK (gtk_main_quit), NULL);
405 control = location_gpsd_control_get_default ();
406 location_gpsd_control_start (control);
409 * Note that in real life one may want to use some other method and interval
410 * than LOCATION_METHOD_USER_SELECTED and LOCATION_INTERVAL_DEFAULT,
411 * respectively. For more information on possible values for these parameters
412 * please see liblocation online documentation.
414 g_object_set (G_OBJECT (control),
415 "preferred-method", LOCATION_METHOD_USER_SELECTED,
416 "preferred-interval", LOCATION_INTERVAL_DEFAULT,
419 device = g_object_new (LOCATION_TYPE_GPS_DEVICE, NULL);
421 g_signal_connect (control, "error", G_CALLBACK (on_gps_error), data);
422 g_signal_connect (control, "gpsd-running", G_CALLBACK (on_gps_start), data);
423 g_signal_connect (control, "gpsd-stopped", G_CALLBACK (on_gps_stop), data);
424 g_signal_connect (device, "changed", G_CALLBACK (on_gps_device_changed), data);
426 gtk_widget_show_all (GTK_WIDGET (data->window));
428 hildon_gtk_window_set_progress_indicator(GTK_WINDOW(data->window), 1);
431 location_gpsd_control_stop (control);
434 fclose(data->outf_p);
435 g_unlink(data->intermediate_gpx_data_filename);
436 g_free(data->working_dir);
437 g_free(data->intermediate_gpx_data_filename);
438 g_string_free(data->wp_marker_str, TRUE);
440 g_object_unref (device);
441 g_object_unref (control);