#include <glib.h>
+#include <glib/gstdio.h>
#include <hildon/hildon.h>
#include <hildon/hildon-file-chooser-dialog.h>
GtkWidget *status_label;
GtkButton *start_stop_button, *save_button;
gboolean tracking_is_on;
+ FILE *outf_p;
+ gchar *working_dir;
+ gchar *intermediate_gpx_data_filename;
} AppData;
static gchar * interface_file_chooser (AppData * appdata, GtkFileChooserAction action)
{
GtkWidget *dialog;
gchar *filename = NULL;
+ gchar tmpname[PATH_MAX];
+ time_t t;
+ struct tm *tmp;
+ t = time(NULL);
+ tmp = localtime(&t);
+ strftime(tmpname, sizeof(tmpname), "gps-tracker-%F-%H-%M.gpx", tmp);
dialog = hildon_file_chooser_dialog_new (GTK_WINDOW (appdata->window), action);
gtk_widget_show_all (GTK_WIDGET (dialog));
+ gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER (dialog), tmpname);
+ gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(dialog), appdata->working_dir);
if (gtk_dialog_run (GTK_DIALOG (dialog)) == GTK_RESPONSE_OK) {
filename = gtk_file_chooser_get_filename (GTK_FILE_CHOOSER (dialog));
return filename;
}
+static void write_gpx_header(FILE *fp)
+{
+ g_return_if_fail(fp);
+ fprintf(fp,
+ "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
+ "<gpx version=\"1.0\"\n"
+ "creator=\"convert2gpx.pl http://www.tangogps.org\"\n"
+ "xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"\n"
+ "xmlns=\"http://www.topografix.com/GPX/1/0\"\n"
+ "xsi:schemaLocation=\"http://www.topografix.com/GPX/1/0 http://www.topografix.com/GPX/1/0/gpx.xsd\">\n"
+ "<trk>\n<trkseg>\n"
+ );
+}
+
+static void write_gpx_footer(FILE *fp)
+{
+ g_return_if_fail(fp);
+ fprintf(fp, "</trkseg>\n</trk>\n</gpx>\n");
+}
+
static void cb_start_stop (GtkWidget * w, AppData * data)
{
data->tracking_is_on = !data->tracking_is_on;
- if(data->tracking_is_on) {
+ if(data->tracking_is_on) { /* START pressed */
+ data->outf_p = fopen(data->intermediate_gpx_data_filename, "w");
+ write_gpx_header(data->outf_p);
hildon_banner_show_information(GTK_WIDGET(data->window), NULL, "Tracking started");
+ gtk_button_set_label (data->start_stop_button, "Stop");
+ gtk_widget_set_sensitive(GTK_WIDGET(data->save_button), FALSE);
}
- else {
+ else { /* STOP pressed */
+ if(data->outf_p) {
+ write_gpx_footer(data->outf_p);
+ fclose(data->outf_p);
+ data->outf_p = NULL;
+ }
+ gtk_button_set_label (data->start_stop_button, "Start");
hildon_banner_show_information(GTK_WIDGET(data->window), NULL, "Tracking stopped");
+ gtk_widget_set_sensitive(GTK_WIDGET(data->save_button), TRUE);
}
}
gchar *filename = NULL;
filename = interface_file_chooser (data, GTK_FILE_CHOOSER_ACTION_SAVE);
- if (filename == NULL) {
- filename = "NULL";
- }
- else {
- FILE * f = fopen (filename, "w");
- fprintf (f, "This file was generated by Hildon File Chooser example.");
- fclose (f);
+ if (filename) {
+ if(g_file_test(data->intermediate_gpx_data_filename, G_FILE_TEST_IS_REGULAR | G_FILE_TEST_EXISTS)) {
+ g_rename(data->intermediate_gpx_data_filename, filename);
+ g_print ("File saved as %s\n", filename);
+ hildon_banner_show_information(GTK_WIDGET(data->window), NULL, filename);
+ }
+ else {
+ hildon_banner_show_information(GTK_WIDGET(data->window), NULL, "Temp file not found");
+ }
}
-
- g_print ("File saved as %s\n", filename);
+ g_free(filename);
}
static void
}
gtk_label_set_text(info, msg->str);
+ if(device->status != LOCATION_GPS_DEVICE_STATUS_NO_FIX)
+ gtk_widget_set_sensitive(GTK_WIDGET(app_data->start_stop_button), TRUE);
//gtk_widget_show(GTK_WIDGET(info));
g_string_free(msg, TRUE);
}
static void
on_gps_error (LocationGPSDevice *device, gpointer data)
{
+ //AppData *app_data = data;
g_error ("GPS error");
}
static void
on_gps_stop (LocationGPSDevice *device, gpointer data)
{
- g_warning ("GPS stopped");
+ AppData *app_data = data;
+ const gchar *msg = "GPS stopped";
+ hildon_banner_show_information(GTK_WIDGET(app_data->window), NULL, msg);
+ g_warning (msg);
}
static void
on_gps_start (LocationGPSDevice *device, gpointer data)
{
- g_warning ("GPS started");
+ AppData *app_data = data;
+ const gchar *msg = "GPS started";
+ hildon_banner_show_information(GTK_WIDGET(app_data->window), NULL, msg);
+ g_warning (msg);
}
int main (int argc, char **argv)
{
- GtkWidget *picker_button = NULL;
AppData * data = g_new0 (AppData, 1);
hildon_gtk_init (&argc, &argv);
LocationGPSDControl *control;
LocationGPSDevice *device;
+ data->working_dir = g_strdup_printf("%s" G_DIR_SEPARATOR_S "MyDocs", g_get_home_dir());
+ data->intermediate_gpx_data_filename = g_strdup_printf("%s" G_DIR_SEPARATOR_S ".gps-tracker.gpx", data->working_dir);
data->program = hildon_program_get_instance ();
g_set_application_name("GPS tracker");
data->main_vbox = (void*)gtk_vbox_new(FALSE, 0);
data->btn_hbox = (void*)gtk_hbox_new(TRUE, 0);
- /* Create a picker button */
- picker_button = hildon_date_button_new (HILDON_SIZE_AUTO,
- HILDON_BUTTON_ARRANGEMENT_VERTICAL);
-
- /* Set a title to the button*/
- hildon_button_set_title (HILDON_BUTTON (picker_button), "Pick a date");
-
data->start_stop_button = GTK_BUTTON (hildon_gtk_button_new (HILDON_SIZE_THUMB_HEIGHT | HILDON_SIZE_HALFSCREEN_WIDTH));
- data->save_button = GTK_BUTTON (hildon_gtk_button_new (HILDON_SIZE_THUMB_HEIGHT | HILDON_SIZE_HALFSCREEN_WIDTH));
gtk_button_set_label (data->start_stop_button, "Start");
+ gtk_widget_set_sensitive(GTK_WIDGET(data->start_stop_button), FALSE);
+ data->save_button = GTK_BUTTON (hildon_gtk_button_new (HILDON_SIZE_THUMB_HEIGHT | HILDON_SIZE_HALFSCREEN_WIDTH));
gtk_button_set_label (data->save_button, "Save");
+ gtk_widget_set_sensitive(GTK_WIDGET(data->save_button), FALSE);
gtk_box_pack_start(GTK_BOX(data->btn_hbox), GTK_WIDGET(data->start_stop_button), FALSE, FALSE, 8);
gtk_box_pack_start(GTK_BOX(data->btn_hbox), GTK_WIDGET(data->save_button), FALSE, FALSE, 8);
gtk_box_pack_start(GTK_BOX(data->main_vbox), GTK_WIDGET(data->btn_hbox), FALSE, FALSE, 0);
- gtk_box_pack_start(GTK_BOX(data->main_vbox), GTK_WIDGET(picker_button), FALSE, FALSE, 0);
- data->status_label = gtk_label_new("Hier kommt der Status hin\nUnd hier ist die 2. Zeile");
+ data->status_label = gtk_label_new("Waiting for GPS ...");
gtk_box_pack_start_defaults(GTK_BOX(data->main_vbox), data->status_label);
/* Add vbox to main window */
gtk_container_add (GTK_CONTAINER (data->window), GTK_WIDGET(data->main_vbox));
G_CALLBACK (gtk_main_quit), NULL);
control = location_gpsd_control_get_default ();
- //hildon_banner_show_information(GTK_WIDGET(data->window), NULL, "Hi there!");
- location_gpsd_control_start (control);
+ location_gpsd_control_start (control);
/*
* Note that in real life one may want to use some other method and interval
device = g_object_new (LOCATION_TYPE_GPS_DEVICE, NULL);
- g_signal_connect (control, "error", G_CALLBACK (on_gps_error), NULL);
- g_signal_connect (control, "gpsd-running", G_CALLBACK (on_gps_start), NULL);
- g_signal_connect (control, "gpsd-stopped", G_CALLBACK (on_gps_stop), NULL);
+ g_signal_connect (control, "error", G_CALLBACK (on_gps_error), data);
+ g_signal_connect (control, "gpsd-running", G_CALLBACK (on_gps_start), data);
+ g_signal_connect (control, "gpsd-stopped", G_CALLBACK (on_gps_stop), data);
g_signal_connect (device, "changed", G_CALLBACK (on_gps_device_changed), data);
gtk_widget_show_all (GTK_WIDGET (data->window));
hildon_gtk_window_set_progress_indicator(GTK_WINDOW(data->window), 1);
gtk_main ();
- location_gpsd_control_stop (control);
+ location_gpsd_control_stop (control);
+ if(data->outf_p)
+ fclose(data->outf_p);
+ g_unlink(data->intermediate_gpx_data_filename);
g_object_unref (device);
g_object_unref (control);
+ g_free(data->working_dir);
+ g_free(data->intermediate_gpx_data_filename);
g_free(data);
return 0;
projects / gps-tracker / blobdiff