* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
+/* TODO:
+ * If gpsd connection fails, try to connect again periodically.
+ * If gps stops sending data there should be an indication that it's stale.
+ */
+
#define _XOPEN_SOURCE
+#include <config.h>
+
#include <stdio.h>
#include <fcntl.h>
#include <errno.h>
#include <time.h>
-#include <config.h>
-#include <assert.h>
#include <string.h>
#include <glib/gstdio.h>
#include <gtk/gtk.h>
#include "../aweather-location.h"
/* interval to update map with new gps data in seconds. */
-#define GPS_UPDATE_INTERVAL (2)
+#define GPS_UPDATE_INTERVAL (2)
+
+/* Filename and search path to use for gps marker, should be configurable */
+#define GPS_MARKER_ICON_PATH ".:" PKGDATADIR
+#define GPS_MARKER_ICON "arrow.png"
+
+/* number of track points per group and number of groups to maintain */
+#define GPS_TRACK_POINTS (256)
+#define GPS_TRACK_GROUPS (16)
+#define GPS_TRACK_POINTS_FACTOR (1.5)
/* interval to update log file in seconds (default value for slider) */
#define GPS_LOG_DEFAULT_UPDATE_INTERVAL (30)
-#define GPS_LOG_EXT "csv"
-
-/* interval to update SpotterNetwork in seconds. Should not be less
- * than 3 minutes per SpotterNetwork policy.
- */
-#define GPS_SN_UPDATE_INTERVAL (5 * 60)
-#define GPS_SN_URI "http://www.spotternetwork.org/update.php"
+#define GPS_LOG_EXT "csv"
/* For updating the status bar conveniently */
-#define GPS_STATUSBAR_CONTEXT "GPS"
+#define GPS_STATUSBAR_CONTEXT "GPS"
+
#if 0
-#define GPS_STATUS(gps_state, format, args...) \
- do { \
- char *buf = g_strdup_printf(format, ##args); \
- gtk_statusbar_push(GTK_STATUSBAR(gps_state->status_bar), \
- gtk_statusbar_get_context_id( \
- GTK_STATUSBAR(gps_state->status_bar), \
- GPS_STATUSBAR_CONTEXT), \
- buf); \
- } while (0)
+#define GPS_STATUS(gps, format, args...) \
+ do { \
+ gchar *buf = g_strdup_printf(format, ##args); \
+ gtk_statusbar_push(GTK_STATUSBAR(gps->status_bar), \
+ gtk_statusbar_get_context_id( \
+ GTK_STATUSBAR(gps->status_bar), \
+ GPS_STATUSBAR_CONTEXT), \
+ buf); \
+ } while (0)
#endif
-#define GPS_STATUS(gps_state, format, args...) \
- do { \
- char *buf = g_strdup_printf(format, ##args); \
- g_warning("STATUS: %s", buf); \
- } while (0)
-
-
-static gboolean gps_data_is_valid(struct gps_data_t *gps_data);
-static char *gps_get_time_string(time_t gps_time);
-static char *gps_get_date_string(double gps_time);
-static void process_gps( gpointer, gint, GdkInputCondition);
-
-/* SpotterNetwork support */
-static void gps_init_spotter_network_frame(GritsPluginGPS *gps_state,
- GtkWidget *gbox);
-static gboolean gps_update_sn(gpointer data);
-static void gps_sn_update_complete(SoupSession *, SoupMessage *, gpointer);
-static gboolean on_gps_sn_clicked_event (GtkWidget *widget, gpointer user_data);
-static gboolean on_gps_sn_active_clicked_event (GtkWidget *widget, gpointer user_data);
-
-static void gps_init_range_rings(GritsPluginGPS *gps_state,
- GtkWidget *gbox);
-static gboolean on_gps_rangering_clicked_event (GtkWidget *widget, gpointer user_data);
-
-static void gps_init_status_info(GritsPluginGPS *gps_state,
- GtkWidget *gbox);
-static void gps_init_control_frame(GritsPluginGPS *gps_state,
- GtkWidget *gbox);
-static gboolean on_gps_follow_clicked_event (GtkWidget *widget, gpointer user_data);
-
-/* GPS logging support */
-static void gps_init_track_log_frame(GritsPluginGPS *gps_state,
- GtkWidget *gbox);
-static gboolean on_gps_log_clicked_event (GtkWidget *widget, gpointer user_data);
-static gboolean on_gps_track_clicked_event (GtkWidget *widget, gpointer user_data);
-static gboolean gps_write_log(gpointer data);
-
-static char *gps_get_status(struct gps_data_t *);
-static char *gps_get_latitude(struct gps_data_t *);
-static char *gps_get_longitude(struct gps_data_t *);
-static char *gps_get_elevation(struct gps_data_t *);
-static char *gps_get_heading(struct gps_data_t *);
-static char *gps_get_speed(struct gps_data_t *);
-
-/* Describes a line in the gps table */
-struct gps_status_info {
- char *label;
- char *initial_val;
- char *(*get_data)(struct gps_data_t *);
- unsigned int font_size;
- GtkWidget *label_widget;
- GtkWidget *value_widget;
-};
+#define GPS_STATUS(gps, format, args...) \
+ do { \
+ gchar *buf = g_strdup_printf(format, ##args); \
+ g_debug("STATUS: %s", buf); \
+ } while (0)
-struct gps_status_info gps_table[] = {
- {"Status:", "No Data", gps_get_status, 14, NULL, NULL},
-// {"Online:", "No Data", gps_get_online, 14, NULL, NULL},
- {"Latitude:", "No Data", gps_get_latitude, 14, NULL, NULL},
- {"Longitude:", "No Data", gps_get_longitude, 14, NULL, NULL},
- {"Elevation:", "No Data", gps_get_elevation, 14, NULL, NULL},
- {"Heading:", "No Data", gps_get_heading, 14, NULL, NULL},
- {"Speed:", "No Data", gps_get_speed, 14, NULL, NULL},
-};
-static void _gtk_bin_set_child(GtkBin *bin, GtkWidget *new)
+/********************
+ * Helper functions *
+ ********************/
+
+/* Find a readable file in a colon delimeted path */
+static gchar *find_path(const gchar *path, const gchar *filename)
{
- GtkWidget *old = gtk_bin_get_child(bin);
- if (old)
- gtk_widget_destroy(old);
- gtk_container_add(GTK_CONTAINER(bin), new);
- gtk_widget_show_all(new);
+ gchar *end_ptr, *fullpath;
+
+ end_ptr = (gchar *)path;
+
+ /* find first : */
+ while (*end_ptr != ':' && *end_ptr != '\0')
+ end_ptr++;
+ fullpath = g_strdup_printf("%.*s/%s", (int)(end_ptr-path), path,
+ filename);
+ g_debug("GritsPluginGps: find_path - searching %s", fullpath);
+ if (access(fullpath, R_OK) == 0) {
+ g_debug("GritsPluginGps: find_path - found %s", fullpath);
+ return fullpath; /* caller frees */
+ }
+
+ g_free(fullpath);
+ /* recurse */
+ if (*end_ptr == '\0') {
+ return NULL;
+ } else {
+ return find_path(end_ptr + 1, filename);
+ }
}
-static
-gboolean gps_data_is_valid(struct gps_data_t *gps_data)
+
+/********************
+ * GPS Status Table *
+ ********************/
+
+static gchar *gps_get_status(struct gps_data_t *gps_data)
{
- if (gps_data != NULL && gps_data->online != -1.0 &&
- gps_data->fix.mode >= MODE_2D &&
- gps_data->status > STATUS_NO_FIX) {
- return TRUE;
- }
+ gchar *status_color;
+ gchar *status_text;
- return FALSE;
+ switch (gps_data->fix.mode) {
+ case MODE_NOT_SEEN:
+ status_color = "red";
+ status_text = "No Signal";
+ break;
+ case MODE_NO_FIX:
+ status_color = "red";
+ status_text = "No Fix";
+ break;
+ case MODE_2D:
+ status_color = "yellow";
+ status_text = "2D Mode";
+ break;
+ case MODE_3D:
+ status_color = "green";
+ status_text = "3D Mode";
+ break;
+ default:
+ status_color = "black";
+ status_text = "Unknown";
+ break;
+ }
+ return g_strdup_printf("<span foreground=\"%s\">%s</span>",
+ status_color, status_text);
}
-static char *
-gps_get_date_string(double gps_time)
+#if 0
+static gchar *gps_get_online(struct gps_data_t *gps_data)
{
- static char buf[256];
- time_t int_time = (time_t)gps_time;
- struct tm tm_time;
+ gchar *status_str;
+ gchar *online_str;
- gmtime_r(&int_time, &tm_time);
+ if (gps_data->online == -1.0) {
+ online_str = "Offline";
+ } else {
+ online_str = "Online";
+ }
- snprintf(buf, sizeof(buf), "%04d-%02d-%02d",
- tm_time.tm_year+1900, tm_time.tm_mon+1, tm_time.tm_mday);
+ switch (gps_data->status) {
+ case 0:
+ status_str = "No Fix";
+ break;
+ case 1:
+ status_str = "Fix Acquired";
+ break;
+ case 2:
+ status_str = "DGPS Fix";
+ break;
+ default:
+ status_str = "Unknown Status";
+ break;
+ }
+
+ return g_strdup_printf("%lf,%s,%s", gps_data->online, online_str, status_str);
+}
+#endif
+
+static gchar *gps_get_latitude(struct gps_data_t *gps_data)
+{
+ return g_strdup_printf("%3.4f", gps_data->fix.latitude);
+}
+
+static gchar *gps_get_longitude(struct gps_data_t *gps_data)
+{
+ return g_strdup_printf("%3.4f", gps_data->fix.longitude);
+}
+static gchar *gps_get_elevation(struct gps_data_t *gps_data)
+{
+ /* XXX Make units (m/ft) settable */
+ return g_strdup_printf("%.1lf %s",
+ (gps_data->fix.altitude * METERS_TO_FEET), "ft");
+}
- return buf;
+static gchar *gps_get_heading(struct gps_data_t *gps_data)
+{
+ /* XXX Make units (m/ft) settable */
+ return g_strdup_printf("%03.0lf", gps_data->fix.track);
}
-static char *
-gps_get_time_string(time_t gps_time)
+static gchar *gps_get_speed(struct gps_data_t *gps_data)
{
- static char buf[256];
- time_t int_time = (time_t)gps_time;
- struct tm tm_time;
+ /* XXX Make units (m/ft) settable */
+ return g_strdup_printf("%1.1f %s",
+ (gps_data->fix.speed*3600.0*METERS_TO_FEET/5280.0), "mph");
+}
+
+struct {
+ const gchar *label;
+ const gchar *initial_val;
+ gchar *(*get_data)(struct gps_data_t *);
+ guint font_size;
+ GtkWidget *label_widget;
+ GtkWidget *value_widget;
+} gps_table[] = {
+ {"Status:", "No Data", gps_get_status, 14, NULL, NULL},
+// {"Online:", "No Data", gps_get_online, 14, NULL, NULL},
+ {"Latitude:", "No Data", gps_get_latitude, 14, NULL, NULL},
+ {"Longitude:", "No Data", gps_get_longitude, 14, NULL, NULL},
+ {"Elevation:", "No Data", gps_get_elevation, 14, NULL, NULL},
+ {"Heading:", "No Data", gps_get_heading, 14, NULL, NULL},
+ {"Speed:", "No Data", gps_get_speed, 14, NULL, NULL},
+};
- gmtime_r(&int_time, &tm_time);
- snprintf(buf, sizeof(buf), "%02d:%02d:%02dZ",
- tm_time.tm_hour, tm_time.tm_min, tm_time.tm_sec);
+/******************
+ * Track handling *
+ ******************/
+
+static void gps_track_init(GpsTrack *track)
+{
+ /* Save a spot at the end for the NULL termination */
+ track->points = (gpointer)g_new0(double*, GPS_TRACK_GROUPS + 1);
+ track->cur_point = 0;
+ track->cur_group = 0;
+ track->num_points = 1; /* starts at 1 so realloc logic works */
+ track->line = NULL;
+}
- return buf;
+static void gps_track_clear(GpsTrack *track)
+{
+ gint pi;
+ for (pi = 0; pi < GPS_TRACK_GROUPS; pi++) {
+ if (track->points[pi] != NULL) {
+ g_free(track->points[pi]);
+ track->points[pi] = NULL;
+ }
+ }
+ track->cur_point = 0;
+ track->cur_group = 0;
+ track->num_points = 1; /* starts at 1 so realloc logic works */
}
+static void gps_track_free(GpsTrack *track)
+{
+ gps_track_clear(track);
+ g_free(track->points);
+}
-static void
-update_gps_status(GritsPluginGPS *gps_state)
+/* add a new track group (points in a track group are connected, and
+ * separated from points in other track groups). */
+static void gps_track_group_incr(GpsTrack *track)
{
- struct gps_data_t *gps_data = gps_state->gps_data;
+ gdouble (**points)[3] = track->points; /* for simplicity */
+
+ /* Just return if they increment it again before any points have
+ * been added.
+ */
+ if (points[track->cur_group] == NULL) {
+ return;
+ }
+
+ g_debug("GritsPluginGps: track_group_incr - track group %u->%u.",
+ track->cur_group, track->cur_group + 1);
+
+ track->cur_group++;
+ track->cur_point = 0;
+ track->num_points = 1; /* starts at 1 so realloc logic works */
+
+ if (track->cur_group >= GPS_TRACK_GROUPS) {
+ g_debug("GritsPluginGps: track_group_incr - track group %u "
+ "is at max %u, shifting groups",
+ track->cur_group, GPS_TRACK_GROUPS);
- /* gps table update */
- int i;
- gchar *str;
- for (i = 0; i < sizeof(gps_table)/sizeof(*gps_table); i++) {
- gtk_label_set_markup (GTK_LABEL(gps_table[i].value_widget),
- (str = gps_table[i].get_data(gps_data)));
- g_free(str);
- }
+ /* Free the oldest one which falls off the end */
+ g_free(points[0]);
+
+ /* shift the rest down, last one should be NULL already */
+ /* note we alloc GPS_TRACK_GROUPS+1 */
+ for (int pi = 0; pi < GPS_TRACK_GROUPS; pi++) {
+ points[pi] = points[pi+1];
+ }
+
+ /* always write into the last group */
+ track->cur_group = GPS_TRACK_GROUPS - 1;
+ }
}
-static void
-gps_init_control_frame(GritsPluginGPS *gps_state, GtkWidget *gbox)
+static void gps_track_add_point(GpsTrack *track,
+ gdouble lat, gdouble lon, gdouble elevation)
{
- /* Control checkboxes */
- GtkWidget *gps_control_frame = gtk_frame_new ("GPS Control");
- GtkWidget *cbox = gtk_vbox_new (FALSE, 2);
- gtk_container_add (GTK_CONTAINER (gps_control_frame), cbox);
- gtk_box_pack_start (GTK_BOX(gbox), gps_control_frame, FALSE, FALSE, 0);
+ gdouble (**points)[3] = track->points; /* for simplicity */
- gps_state->ui.gps_follow_checkbox = gtk_check_button_new_with_label("Follow GPS");
- g_signal_connect (G_OBJECT (gps_state->ui.gps_follow_checkbox), "clicked",
- G_CALLBACK (on_gps_follow_clicked_event),
- (gpointer)gps_state);
- gtk_box_pack_start (GTK_BOX(cbox), gps_state->ui.gps_follow_checkbox,
- FALSE, FALSE, 0);
- gps_state->ui.gps_track_checkbox = gtk_check_button_new_with_label("Show Track");
- g_signal_connect (G_OBJECT (gps_state->ui.gps_track_checkbox), "clicked",
- G_CALLBACK (on_gps_track_clicked_event),
- (gpointer)gps_state);
- gtk_box_pack_start (GTK_BOX(cbox), gps_state->ui.gps_track_checkbox,
- FALSE, FALSE, 0);
+ g_debug("GritsPluginGps: track_add_point");
+
+ g_assert(track->cur_group < GPS_TRACK_GROUPS &&
+ (track->cur_point <= track->num_points));
+
+ /* resize/allocate the point group if the current one is full */
+ if (track->cur_point >= track->num_points - 1) {
+ guint new_size = track->num_points == 1 ?
+ GPS_TRACK_POINTS :
+ track->num_points * GPS_TRACK_POINTS_FACTOR;
+ g_debug("GritsPluginGps: track_add_point - reallocating points "
+ "array from %u points to %u points.\n",
+ track->num_points, new_size);
+ points[track->cur_group] = (gpointer)g_renew(gdouble,
+ points[track->cur_group], 3*(new_size+1));
+ track->num_points = new_size;
+ }
+
+ g_assert(points[track->cur_group] != NULL);
+
+ /* Add the coordinate */
+ lle2xyz(lat, lon, elevation,
+ &points[track->cur_group][track->cur_point][0],
+ &points[track->cur_group][track->cur_point][1],
+ &points[track->cur_group][track->cur_point][2]);
+
+ track->cur_point++;
+
+ /* make sure last point is always 0s so the line drawing stops. */
+ points[track->cur_group][track->cur_point][0] = 0.0;
+ points[track->cur_group][track->cur_point][1] = 0.0;
+ points[track->cur_group][track->cur_point][2] = 0.0;
}
-static gboolean
-on_gps_track_clicked_event (GtkWidget *widget, gpointer user_data)
+
+/*****************
+ * Track Logging *
+ *****************/
+
+static gchar *gps_get_date_string(double gps_time)
{
- g_debug("on_gps_track_clicked_event called!");
- if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget))) {
- /* XXX start logging trip history */
- GPS_STATUS(gps_state, "Enabled GPS track.");
- } else {
- /* XXX stop logging trip history */
- GPS_STATUS(gps_state, "Disabled GPS track.");
- }
+ static gchar buf[256];
+ time_t int_time = (time_t)gps_time;
+ struct tm tm_time;
+
+ gmtime_r(&int_time, &tm_time);
- return FALSE;
+ snprintf(buf, sizeof(buf), "%04d-%02d-%02d",
+ tm_time.tm_year+1900, tm_time.tm_mon+1, tm_time.tm_mday);
+
+ return buf;
}
-static gboolean
-on_gps_log_interval_changed_event(GtkWidget *widget, gpointer user_data)
+static gchar *gps_get_time_string(time_t gps_time)
{
- GritsPluginGPS *gps_state = (GritsPluginGPS *)user_data;
+ static gchar buf[256];
+ time_t int_time = (time_t)gps_time;
+ struct tm tm_time;
- assert(gps_state);
+ gmtime_r(&int_time, &tm_time);
- g_debug("gps interval changed, value = %f",
- gtk_range_get_value(GTK_RANGE(widget)));
+ snprintf(buf, sizeof(buf), "%02d:%02d:%02dZ",
+ tm_time.tm_hour, tm_time.tm_min, tm_time.tm_sec);
+
+ return buf;
+}
- if (gtk_toggle_button_get_active(
- GTK_TOGGLE_BUTTON(gps_state->ui.gps_log_checkbox))) {
- assert(gps_state->ui.gps_log_timeout_id != 0);
-
- /* disable old timeout */
- g_source_remove(gps_state->ui.gps_log_timeout_id);
- gps_state->ui.gps_log_timeout_id = 0;
-
- /* Schedule new log file write */
- gps_state->ui.gps_log_timeout_id = g_timeout_add(
- gtk_range_get_value(GTK_RANGE(widget))*1000,
- gps_write_log, gps_state);
- gps_write_log(gps_state);
- }
-
- return FALSE;
-}
-
-static gboolean
-gps_write_log(gpointer data)
-{
- GritsPluginGPS *gps_state = (GritsPluginGPS *)data;
- struct gps_data_t *gps_data = gps_state->gps_data;
- char buf[256];
- char filename[256];
- int fd;
- gboolean new_file = FALSE;
-
- if (gps_data == NULL) {
- g_warning("Skipped write to GPS log file: "
- "can not get GPS coordinates.");
- GPS_STATUS(gps_state, "Skipped write to GPS log file: "
- "can not get GPS coordinates.");
- return TRUE;
- }
-
- /* get filename from text entry box. If empty, generate a name from
- * the date and time and set it.
- */
- if (strlen(gtk_entry_get_text(GTK_ENTRY(gps_state->ui.gps_log_filename_entry)))
- == 0) {
- snprintf(filename, sizeof(filename),
+static gboolean gps_write_log(gpointer data)
+{
+ GritsPluginGps *gps = (GritsPluginGps *)data;
+ struct gps_data_t *gps_data = &gps->gps_data;
+ gchar buf[256];
+ gchar filename[256];
+ gint fd;
+ gboolean new_file = FALSE;
+
+ if (gps_data == NULL) {
+ g_warning("Skipped write to GPS log file: "
+ "can not get GPS coordinates.");
+ GPS_STATUS(gps, "Skipped write to GPS log file: "
+ "can not get GPS coordinates.");
+ return TRUE;
+ }
+
+ /* get filename from text entry box. If empty, generate a name from
+ * the date and time and set it. */
+ if (strlen(gtk_entry_get_text(
+ GTK_ENTRY(gps->ui.gps_log_filename_entry))) == 0) {
+ snprintf(filename, sizeof(filename),
"%sT%s.%s",
- gps_get_date_string(gps_state->gps_data->fix.time),
- gps_get_time_string(gps_state->gps_data->fix.time),
+ gps_get_date_string(gps->gps_data.fix.time),
+ gps_get_time_string(gps->gps_data.fix.time),
GPS_LOG_EXT);
- gtk_entry_set_text(GTK_ENTRY(gps_state->ui.gps_log_filename_entry),
+ gtk_entry_set_text(GTK_ENTRY(gps->ui.gps_log_filename_entry),
filename);
- }
+ }
- strncpy(filename,
- gtk_entry_get_text(GTK_ENTRY(gps_state->ui.gps_log_filename_entry)),
- sizeof (filename));
+ strncpy(filename,
+ gtk_entry_get_text(GTK_ENTRY(gps->ui.gps_log_filename_entry)),
+ sizeof(filename));
- if (!g_file_test(filename, G_FILE_TEST_EXISTS)) {
- new_file = TRUE;
- }
+ if (!g_file_test(filename, G_FILE_TEST_EXISTS)) {
+ new_file = TRUE;
+ }
- if ((fd = open(filename, O_CREAT|O_APPEND|O_WRONLY, 0644)) == -1) {
- g_warning("Error opening log file %s: %s",
- filename, strerror(errno));
- return FALSE;
- }
+ if ((fd = open(filename, O_CREAT|O_APPEND|O_WRONLY, 0644)) == -1) {
+ g_warning("Error opening log file %s: %s",
+ filename, strerror(errno));
+ return FALSE;
+ }
+
+ if (new_file) {
+ /* write header and reset record counter */
+ snprintf(buf, sizeof(buf),
+ "No,Date,Time,Lat,Lon,Ele,Head,Speed,RTR\n");
+ if (write(fd, buf, strlen(buf)) == -1) {
+ g_warning("Error writing header to log file %s: %s",
+ filename, strerror(errno));
+ }
+ gps->ui.gps_log_number = 1;
+ }
+
+ /* Write log entry. Make sure this matches the header */
+ /* "No,Date,Time,Lat,Lon,Ele,Head,Speed,Fix,RTR\n" */
+ /* RTR values: T=time, B=button push, S=speed, D=distance */
+ snprintf(buf, sizeof(buf), "%d,%s,%s,%lf,%lf,%lf,%lf,%lf,%c\n",
+ gps->ui.gps_log_number++,
+ gps_get_date_string(gps->gps_data.fix.time),
+ gps_get_time_string(gps->gps_data.fix.time),
+ //gps_data->fix.time,
+ gps_data->fix.latitude,
+ gps_data->fix.longitude,
+ gps_data->fix.altitude * METERS_TO_FEET,
+ gps_data->fix.track,
+ gps_data->fix.speed * METERS_TO_FEET,
+ 'T'); /* position due to timer expired */
- if (new_file) {
- /* write header and reset record counter */
- snprintf(buf, sizeof(buf),
- "No,Date,Time,Lat,Lon,Ele,Head,Speed,RTR\n");
if (write(fd, buf, strlen(buf)) == -1) {
- g_warning("Error writing header to log file %s: %s",
- filename, strerror(errno));
+ g_warning("Could not write log number %d to log file %s: %s",
+ gps->ui.gps_log_number-1, filename, strerror(errno));
}
- gps_state->ui.gps_log_number = 1;
- }
-
- /* Write log entry. Make sure this matches the header */
- /* "No,Date,Time,Lat,Lon,Ele,Head,Speed,Fix,RTR\n" */
- /* RTR values: T=time, B=button push, S=speed, D=distance */
- snprintf(buf, sizeof(buf), "%d,%s,%s,%lf,%lf,%lf,%lf,%lf,%c\n",
- gps_state->ui.gps_log_number++,
- gps_get_date_string(gps_state->gps_data->fix.time),
- gps_get_time_string(gps_state->gps_data->fix.time),
-// gps_data->fix.time,
- gps_data->fix.latitude,
- gps_data->fix.longitude,
- gps_data->fix.altitude * METERS_TO_FEET,
- gps_data->fix.track,
- gps_data->fix.speed * METERS_TO_FEET,
- 'T'); /* position due to timer expired */
-
- if (write(fd, buf, strlen(buf)) == -1) {
- g_warning("Could not write log number %d to log file %s: %s",
- gps_state->ui.gps_log_number-1, filename, strerror(errno));
- }
- close(fd);
-
- GPS_STATUS(gps_state, "Updated GPS log file %s.", filename);
-
- /* reschedule */
- return TRUE;
-}
-
-static gboolean
-on_gps_follow_clicked_event (GtkWidget *widget, gpointer user_data)
-{
- GritsPluginGPS *gps_state = (GritsPluginGPS *)user_data;
-
- g_debug("on_gps_follow_clicked_event called!, button status %d",
- gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget)));
- if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget)))
- gps_state->follow_gps = TRUE;
- else
- gps_state->follow_gps = FALSE;
-
- return FALSE;
-}
-
-
-static void
-gps_init_track_log_frame(GritsPluginGPS *gps_state, GtkWidget *gbox)
-{
- /* Track log box with enable checkbox and filename entry */
- GtkWidget *gps_log_frame = gtk_frame_new ("Track Log");
- GtkWidget *lbox = gtk_vbox_new (FALSE, 2);
- gtk_container_add (GTK_CONTAINER (gps_log_frame), lbox);
- gtk_box_pack_start (GTK_BOX(gbox), gps_log_frame,
- FALSE, FALSE, 0);
-
- gps_state->ui.gps_log_checkbox = gtk_check_button_new_with_label("Log Position to File");
- g_signal_connect (G_OBJECT (gps_state->ui.gps_log_checkbox), "clicked",
- G_CALLBACK (on_gps_log_clicked_event),
- (gpointer)gps_state);
- gtk_box_pack_start (GTK_BOX(lbox), gps_state->ui.gps_log_checkbox,
- FALSE, FALSE, 0);
-
- /* Set up filename entry box */
- GtkWidget *fbox = gtk_hbox_new (FALSE, 2);
- GtkWidget *filename_label = gtk_label_new ("Filename:");
- gtk_box_pack_start (GTK_BOX(fbox), filename_label, FALSE, FALSE, 0);
- gps_state->ui.gps_log_filename_entry = gtk_entry_new();
- gtk_box_pack_start (GTK_BOX(fbox), gps_state->ui.gps_log_filename_entry,
- TRUE, TRUE, 0);
- gtk_box_pack_start (GTK_BOX(lbox), fbox, FALSE, FALSE, 0);
-
- /* set up gps log interval slider */
- GtkWidget *ubox = gtk_hbox_new (FALSE, 4);
- GtkWidget *interval_label = gtk_label_new ("Update Interval:");
- gtk_box_pack_start (GTK_BOX(ubox), interval_label, FALSE, FALSE, 0);
- gps_state->ui.gps_log_interval_slider =
- gtk_hscale_new_with_range(1.0, 600.0, 30.0);
- gtk_range_set_value (GTK_RANGE(gps_state->ui.gps_log_interval_slider),
- GPS_LOG_DEFAULT_UPDATE_INTERVAL);
- g_signal_connect (G_OBJECT (gps_state->ui.gps_log_interval_slider),
- "value-changed",
- G_CALLBACK(on_gps_log_interval_changed_event),
- (gpointer)gps_state);
- gtk_range_set_increments (GTK_RANGE(gps_state->ui.gps_log_interval_slider),
- 10.0 /* step */, 30.0 /* page up/down */);
- gtk_range_set_update_policy (GTK_RANGE(gps_state->ui.gps_log_interval_slider),
- GTK_UPDATE_DELAYED);
- gtk_box_pack_start (GTK_BOX(ubox), gps_state->ui.gps_log_interval_slider,
- TRUE, TRUE, 0);
- gtk_box_pack_start (GTK_BOX(lbox), ubox, FALSE, FALSE, 0);
-}
-
-static gboolean
-on_gps_log_clicked_event (GtkWidget *widget, gpointer user_data)
-{
- GritsPluginGPS *gps_state = (GritsPluginGPS *)user_data;
-
- g_debug("on_gps_log_clicked_event called!");
-
- if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget))) {
- gps_write_log(gps_state);
-
- /* Schedule log file write */
- gps_state->ui.gps_log_timeout_id = g_timeout_add(
- gtk_range_get_value(
- GTK_RANGE(gps_state->ui.gps_log_interval_slider))*1000,
- gps_write_log, gps_state);
- } else {
- /* button unchecked */
- g_source_remove(gps_state->ui.gps_log_timeout_id);
- gps_state->ui.gps_log_timeout_id = 0;
- g_debug("Closed log file.");
- }
-
- return FALSE;
-}
-
-static void
-gps_init_spotter_network_frame(GritsPluginGPS *gps_state, GtkWidget *gbox)
-{
- /* Spotter network control box with enable checkbox, active
- * checkbox, and sn ID entry
- */
- GtkWidget *gps_sn_frame = gtk_frame_new ("SpotterNetwork Control");
- GtkWidget *sbox = gtk_vbox_new (FALSE, 2);
- gtk_container_add (GTK_CONTAINER (gps_sn_frame), sbox);
-
- /* create spotter network update checkbox */
- gps_state->ui.gps_sn_checkbox = gtk_check_button_new_with_label("Update SpotterNetwork");
- g_signal_connect (G_OBJECT (gps_state->ui.gps_sn_checkbox), "clicked",
- G_CALLBACK (on_gps_sn_clicked_event),
- (gpointer)gps_state);
- gtk_box_pack_start (GTK_BOX(sbox), gps_state->ui.gps_sn_checkbox,
- FALSE, FALSE, 0);
+ close(fd);
- /* Create spotter network active checkbox */
- gps_state->ui.gps_sn_active_checkbox = gtk_check_button_new_with_label("Active");
- g_signal_connect (G_OBJECT (gps_state->ui.gps_sn_active_checkbox),
- "clicked",
- G_CALLBACK (on_gps_sn_active_clicked_event),
- (gpointer)gps_state);
- gtk_box_pack_start (GTK_BOX(sbox),
- gps_state->ui.gps_sn_active_checkbox,
- FALSE, FALSE, 0);
+ GPS_STATUS(gps, "Updated GPS log file %s.", filename);
- /* Create spotter network ID entry box and label */
- GtkWidget *ebox = gtk_hbox_new (FALSE, 2);
- GtkWidget *sn_label = gtk_label_new ("SpotterID:");
- gtk_box_pack_start (GTK_BOX(ebox), sn_label, FALSE, FALSE, 0);
- gps_state->ui.gps_sn_entry = gtk_entry_new();
- gtk_box_pack_start (GTK_BOX(ebox), gps_state->ui.gps_sn_entry,
- FALSE, FALSE, 0);
- gtk_box_pack_start (GTK_BOX(sbox), ebox, FALSE, FALSE, 0);
-
- gtk_box_pack_start (GTK_BOX(gbox), gps_sn_frame, FALSE, FALSE, 0);
-}
-
-static gboolean
-on_gps_sn_clicked_event (GtkWidget *widget, gpointer user_data)
-{
- GritsPluginGPS *gps_state = (GritsPluginGPS *)user_data;
- g_debug("on_gps_sn_clicked_event called");
-
- /* When pressed, log a position report to spotternetwork and
- * schedule another one for the future.
- */
- if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget))) {
- /* Change naumber of concurrent connections option? */
- assert(gps_state->ui.soup_session == NULL);
- gps_state->ui.soup_session = soup_session_async_new_with_options(
- SOUP_SESSION_USER_AGENT,
- "Mozilla/5.0 (Windows; U; Windows NT 5.1; "
- "en-US; rv:1.8.1.11) Gecko/20071127 Firefox/2.0.0.11",
- NULL);
-
- /* XXX don't log right away to give the user a chance to cancel */
- gps_update_sn(gps_state);
- gps_state->ui.gps_sn_timeout_id = g_timeout_add(
- GPS_SN_UPDATE_INTERVAL*1000,
- gps_update_sn, gps_state);
- } else {
- /* stop any pending timer events */
- g_source_remove(gps_state->ui.gps_sn_timeout_id);
- gps_state->ui.gps_sn_timeout_id = 0;
- soup_session_abort(gps_state->ui.soup_session);
- g_object_unref(gps_state->ui.soup_session);
- gps_state->ui.soup_session = NULL;
- }
-
- return FALSE;
-}
-
-static gboolean
-on_gps_sn_active_clicked_event (GtkWidget *widget, gpointer user_data)
-{
- GritsPluginGPS *gps_state = (GritsPluginGPS *)user_data;
-
- if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget))) {
- gps_state->ui.gps_sn_active = TRUE;
- } else {
- gps_state->ui.gps_sn_active = FALSE;
- }
-
- return FALSE;
-}
-
-/* Send position report to spotternetwork */
-static gboolean
-gps_update_sn(gpointer user_data)
-{
- GritsPluginGPS *gps_state = (GritsPluginGPS *)user_data;
- struct gps_data_t *gps_data = gps_state->gps_data;
- SoupMessage *msg;
- char uri[256];
-
- /* Make sure gps data is valid */
- if (!gps_data_is_valid(gps_data)) {
- g_warning("Skipping SpotterNetwork update, GPS data is invalid!");
- GPS_STATUS(gps_state, "Skipped SpotterNetwork update, "
- "GPS data is invalid!");
- return TRUE;
- }
-
- /* Make sure SpotterNetwork ID is valid */
- if (gtk_entry_get_text_length(GTK_ENTRY(gps_state->ui.gps_sn_entry)) == 0) {
- g_warning("Skipping SpotterNetwork update, ID \"%s\" is invalid!",
- gtk_entry_get_text(GTK_ENTRY(gps_state->ui.gps_sn_entry)));
- GPS_STATUS(gps_state, "Skipping SpotterNetwork update, "
- "ID \"%s\" is invalid!",
- gtk_entry_get_text(GTK_ENTRY(gps_state->ui.gps_sn_entry)));
+ /* reschedule */
return TRUE;
- }
-
- snprintf(uri, sizeof(uri),
- "%s?lat=%lf&lon=%lf&elev=%lf&dir=%lf&mph=%lf&gps=1&active=%d&ver=1&id=%s",
- GPS_SN_URI,
- gps_data->fix.latitude,
- gps_data->fix.longitude,
- gps_data->fix.altitude * METERS_TO_FEET,
- gps_data->fix.track,
- gps_data->fix.speed,
- gps_state->gps_sn_active == TRUE ? 1 : 0,
- gtk_entry_get_text(GTK_ENTRY(gps_state->ui.gps_sn_entry)));
-
- g_debug("gps_update_sn called uri: %s", uri);
-
- msg = soup_message_new (SOUP_METHOD_GET, uri);
- if (msg) {
- soup_session_queue_message (gps_state->ui.soup_session, msg,
- gps_sn_update_complete, gps_state);
- } else {
- g_warning("unable to create spotternetwork message");
- }
-
- /* reschedule next update */
- return TRUE;
-}
-
-static void
-gps_sn_update_complete (SoupSession *session, SoupMessage *msg, gpointer user_data)
-{
- if (SOUP_STATUS_IS_SUCCESSFUL (msg->status_code)) {
- g_debug("gps_sn_update_complete: %s",
- msg->response_body->data);
- GPS_STATUS(gps_state, "Updated SpotterNetwork.");
- } else {
- GPS_STATUS(gps_state, "Could not update SpotterNetwork: %s",
- msg->reason_phrase);
- g_warning("Could not update SpotterNetwork: %s",
- msg->reason_phrase);
- }
-}
-
-
-
-static void
-gps_init_status_info(GritsPluginGPS *gps_state, GtkWidget *gbox)
-{
- gps_state->ui.gps_status_frame = gtk_frame_new ("GPS Data");
- gps_state->ui.gps_status_table = gtk_table_new (5, 2, TRUE);
- gtk_container_add (GTK_CONTAINER (gps_state->ui.gps_status_frame),
- gps_state->ui.gps_status_table);
-
- /* gps data table setup */
- int i;
- for (i = 0; i < sizeof(gps_table)/sizeof(*gps_table); i++) {
- gps_table[i].label_widget = gtk_label_new (gps_table[i].label);
- gtk_label_set_justify(GTK_LABEL(gps_table[i].label_widget),
- GTK_JUSTIFY_LEFT);
- gtk_table_attach( GTK_TABLE(gps_state->ui.gps_status_table),
- gps_table[i].label_widget, 0, 1, i, i+1, 0, 0, 0, 0);
- gps_table[i].value_widget = gtk_label_new (gps_table[i].initial_val);
- gtk_table_attach( GTK_TABLE(gps_state->ui.gps_status_table),
- gps_table[i].value_widget, 1, 2, i, i+1, 0, 0, 0, 0);
-
- PangoFontDescription *font_desc = pango_font_description_new ();
- pango_font_description_set_size (font_desc,
- gps_table[i].font_size*PANGO_SCALE);
- gtk_widget_modify_font (gps_table[i].label_widget, font_desc);
- gtk_widget_modify_font (gps_table[i].value_widget, font_desc);
- pango_font_description_free (font_desc);
- }
- gtk_box_pack_start (GTK_BOX(gbox), gps_state->ui.gps_status_frame,
- FALSE, FALSE, 0);
-
- /* Start UI refresh task, which will reschedule itself periodically. */
- gps_redraw_all(gps_state);
- gps_state->gps_update_timeout_id = g_timeout_add(
- GPS_UPDATE_INTERVAL*1000,
- gps_redraw_all, gps_state);
-
}
-static void
-gps_init_range_rings(GritsPluginGPS *gps_state, GtkWidget *gbox)
+/****************
+ * Main drawing *
+ ****************/
+
+static gboolean gps_data_is_valid(struct gps_data_t *gps_data)
{
- GtkWidget *gps_range_ring_frame = gtk_frame_new ("Range Rings");
- GtkWidget *cbox = gtk_vbox_new (FALSE, 2);
- gtk_container_add (GTK_CONTAINER (gps_range_ring_frame), cbox);
- gtk_box_pack_start (GTK_BOX(gbox), gps_range_ring_frame, FALSE, FALSE, 0);
+ if (gps_data != NULL && gps_data->online != -1.0 &&
+ gps_data->fix.mode >= MODE_2D &&
+ gps_data->status > STATUS_NO_FIX) {
+ return TRUE;
+ }
- gps_state->ui.gps_rangering_checkbox = gtk_check_button_new_with_label("Enable Range Rings");
- g_signal_connect (G_OBJECT (gps_state->ui.gps_rangering_checkbox), "clicked",
- G_CALLBACK (on_gps_rangering_clicked_event),
- (gpointer)gps_state);
- gtk_box_pack_start (GTK_BOX(cbox), gps_state->ui.gps_rangering_checkbox,
- FALSE, FALSE, 0);
+ return FALSE;
}
-static gboolean
-on_gps_rangering_clicked_event (GtkWidget *widget, gpointer user_data)
+static void gps_update_status(GritsPluginGps *gps)
{
- GritsPluginGPS *gps_state = (GritsPluginGPS *)user_data;
+ struct gps_data_t *gps_data = &gps->gps_data;
- if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget))) {
- gps_state->gps_rangering_active = TRUE;
- } else {
- gps_state->gps_rangering_active = FALSE;
- }
-
- /* XXX force a redraw */
-
- return FALSE;
+ /* gps table update */
+ gint i;
+ gchar *str;
+ for (i = 0; i < G_N_ELEMENTS(gps_table); i++) {
+ gtk_label_set_markup(GTK_LABEL(gps_table[i].value_widget),
+ (str = gps_table[i].get_data(gps_data)));
+ g_free(str);
+ }
}
/* external interface to update UI from latest GPS data. */
gboolean gps_redraw_all(gpointer data)
{
- GritsPluginGPS *gps_state = (GritsPluginGPS *)data;
- assert(gps_state);
+ GritsPluginGps *gps = (GritsPluginGps *)data;
+ g_assert(gps);
- struct gps_data_t *gps_data = gps_state->gps_data;
+ struct gps_data_t *gps_data = &gps->gps_data;
- g_debug("gps_redraw_all called");
+ g_debug("GritsPluginGps: redraw_all");
- assert(gps_data);
- if (!gps_data_is_valid(gps_data)) {
- g_debug("gps_data is not valid.");
- /* XXX Change marker to indicate data is not valid */
- return TRUE;
- }
+ g_assert(gps_data);
+ if (!gps_data_is_valid(gps_data)) {
+ g_debug("GritsPluginGps: redraw_all - gps_data is not valid.");
+ /* XXX Change marker to indicate data is not valid */
+ return TRUE;
+ }
- /* update position labels */
- update_gps_status(gps_state);
+ /* update position labels */
+ gps_update_status(gps);
- if (gps_data_is_valid(gps_data)) {
/* Update track and marker position */
- g_debug("Updating track at lat = %f, long = %f, track = %f",
- gps_data->fix.latitude,
- gps_data->fix.longitude,
- gps_data->fix.track);
-
- if (gps_state->marker) {
- grits_viewer_remove(gps_state->viewer,
- GRITS_OBJECT(gps_state->marker));
- g_object_unref(gps_state->viewer);
- gps_state->marker = NULL;
+ if (gps_data_is_valid(gps_data) && gps->track.active) {
+ g_debug("GritsPluginGps: redraw_all - updating track group %u "
+ "point %u at lat = %f, long = %f, track = %f",
+ gps->track.cur_group,
+ gps->track.cur_point,
+ gps_data->fix.latitude,
+ gps_data->fix.longitude,
+ gps_data->fix.track);
+
+ gps_track_add_point(&gps->track,
+ gps_data->fix.latitude, gps_data->fix.longitude, 0.0);
+
+ if (gps->track.line) {
+ grits_viewer_remove(gps->viewer,
+ GRITS_OBJECT(gps->track.line));
+ gps->track.line = NULL;
+ }
+
+ gps->track.line = grits_line_new(gps->track.points);
+ gps->track.line->color[0] = 1.0;
+ gps->track.line->color[1] = 0;
+ gps->track.line->color[2] = 0.1;
+ gps->track.line->color[3] = 1.0;
+ gps->track.line->width = 3;
+
+ grits_viewer_add(gps->viewer, GRITS_OBJECT(gps->track.line),
+ GRITS_LEVEL_OVERLAY, FALSE);
+ grits_object_queue_draw(GRITS_OBJECT(gps->track.line));
+ }
+
+ if (gps_data_is_valid(gps_data)) {
+ if (gps->marker) {
+ grits_viewer_remove(gps->viewer,
+ GRITS_OBJECT(gps->marker));
+ gps->marker = NULL;
+ }
+
+ gchar *path = find_path(GPS_MARKER_ICON_PATH, GPS_MARKER_ICON);
+ if (path) {
+ gps->marker = grits_marker_icon_new("GPS", path,
+ gps_data->fix.track, TRUE, MARKER_DMASK_ICON);
+ g_free(path);
+ } else {
+ /* if icon not found just use a point */
+ g_warning("Could not find GPS marker icon %s in path %s.",
+ GPS_MARKER_ICON, GPS_MARKER_ICON_PATH);
+ gps->marker = grits_marker_icon_new("GPS", NULL,
+ gps_data->fix.track, FALSE,
+ MARKER_DMASK_POINT|MARKER_DMASK_LABEL);
+ }
+
+ GRITS_OBJECT(gps->marker)->center.lat = gps_data->fix.latitude;
+ GRITS_OBJECT(gps->marker)->center.lon = gps_data->fix.longitude;
+ GRITS_OBJECT(gps->marker)->center.elev = 0.0;
+ GRITS_OBJECT(gps->marker)->lod = EARTH_R * 5;
+
+ grits_viewer_add(gps->viewer,
+ GRITS_OBJECT(gps->marker),
+ GRITS_LEVEL_OVERLAY, FALSE);
+ grits_object_queue_draw(GRITS_OBJECT(gps->marker));
}
- gps_state->marker = grits_marker_new("gps");
- GRITS_OBJECT(gps_state->marker)->center.lat = gps_data->fix.latitude;
- GRITS_OBJECT(gps_state->marker)->center.lon = gps_data->fix.longitude;
- GRITS_OBJECT(gps_state->marker)->center.elev = 0.0;
- GRITS_OBJECT(gps_state->marker)->lod = EARTH_R;
- grits_viewer_add(gps_state->viewer, GRITS_OBJECT(gps_state->marker),
- GRITS_LEVEL_OVERLAY, FALSE);
- grits_viewer_refresh(gps_state->viewer);
- }
-
- if (gps_state->follow_gps && gps_data_is_valid(gps_data)) {
- /* Center map at current GPS position. */
- g_debug("Centering map at lat = %f, long = %f, track = %f",
- gps_data->fix.latitude,
- gps_data->fix.longitude,
- gps_data->fix.track);
-
- double lat, lon, elev;
- grits_viewer_get_location(gps_state->viewer, &lat, &lon, &elev);
- grits_viewer_set_location(gps_state->viewer, gps_data->fix.latitude,
+ if (gps->follow_gps && gps_data_is_valid(gps_data)) {
+ /* Center map at current GPS position. */
+ g_debug("GritsPluginGps: redraw_all - centering map at "
+ "lat = %f, long = %f, track = %f",
+ gps_data->fix.latitude,
+ gps_data->fix.longitude,
+ gps_data->fix.track);
+
+ double lat, lon, elev;
+ grits_viewer_get_location(gps->viewer, &lat, &lon, &elev);
+ grits_viewer_set_location(gps->viewer, gps_data->fix.latitude,
gps_data->fix.longitude, elev);
- grits_viewer_set_rotation(gps_state->viewer, 0, 0, 0);
- }
+ //grits_viewer_set_rotation(gps->viewer, 0, 0, 0);
+ }
- /* reschedule */
- return TRUE;
+ /* reschedule */
+ return TRUE;
}
-static
-char *gps_get_status(struct gps_data_t *gps_data)
-{
- gchar *status_color;
- gchar *status_text;
- switch (gps_data->fix.mode) {
- case MODE_NOT_SEEN:
- status_color = "red";
- status_text = "No Signal";
- break;
- case MODE_NO_FIX:
- status_color = "red";
- status_text = "No Fix";
- break;
- case MODE_2D:
- status_color = "yellow";
- status_text = "2D Mode";
- break;
- case MODE_3D:
- status_color = "green";
- status_text = "3D Mode";
- break;
- default:
- status_color = "black";
- status_text = "Unknown";
- break;
- }
- return g_strdup_printf("<span foreground=\"%s\">%s</span>",
- status_color, status_text);
-}
+/***************
+ * Config Area *
+ ***************/
+
+/* GPS Data Frame */
+static void gps_init_status_info(GritsPluginGps *gps, GtkWidget *gbox)
+{
+ gps->ui.gps_status_frame = gtk_frame_new("<b>GPS Data</b>");
+ GtkWidget *label = gtk_frame_get_label_widget(
+ GTK_FRAME(gps->ui.gps_status_frame));
+ gtk_label_set_use_markup(GTK_LABEL(label), TRUE);
+ gtk_frame_set_shadow_type(GTK_FRAME(gps->ui.gps_status_frame),
+ GTK_SHADOW_NONE);
+ gps->ui.gps_status_table = gtk_table_new(5, 2, TRUE);
+ gtk_container_add(GTK_CONTAINER(gps->ui.gps_status_frame),
+ gps->ui.gps_status_table);
+
+ /* gps data table setup */
+ gint i;
+ for (i = 0; i < G_N_ELEMENTS(gps_table); i++) {
+ gps_table[i].label_widget = gtk_label_new(gps_table[i].label);
+ gtk_label_set_justify(GTK_LABEL(gps_table[i].label_widget),
+ GTK_JUSTIFY_LEFT);
+ gtk_table_attach(GTK_TABLE(gps->ui.gps_status_table),
+ gps_table[i].label_widget,
+ 0, 1, i, i+1, 0, 0, 0, 0);
+ gps_table[i].value_widget = gtk_label_new(gps_table[i].initial_val);
+ gtk_table_attach( GTK_TABLE(gps->ui.gps_status_table),
+ gps_table[i].value_widget, 1, 2, i, i+1, 0, 0, 0, 0);
+
+ PangoFontDescription *font_desc = pango_font_description_new();
+ pango_font_description_set_size(font_desc,
+ gps_table[i].font_size*PANGO_SCALE);
+ gtk_widget_modify_font(gps_table[i].label_widget, font_desc);
+ gtk_widget_modify_font(gps_table[i].value_widget, font_desc);
+ pango_font_description_free(font_desc);
+ }
+ gtk_box_pack_start(GTK_BOX(gbox), gps->ui.gps_status_frame,
+ TRUE, FALSE, 0);
+
+ /* Start UI refresh task, which will reschedule itgps. */
+ gps_redraw_all(gps);
+ gps->gps_update_timeout_id = g_timeout_add(
+ GPS_UPDATE_INTERVAL*1000,
+ gps_redraw_all, gps);
-#if 0
-static char *gps_get_online(struct gps_data_t *);
-
-static
-char *gps_get_online(struct gps_data_t *gps_data)
-{
- char *status_str;
- char *online_str;
-
- if (gps_data->online == -1.0) {
- online_str = "Offline";
- } else {
- online_str = "Online";
- }
-
- switch (gps_data->status) {
- case 0:
- status_str = "No Fix";
- break;
- case 1:
- status_str = "Fix Acquired";
- break;
- case 2:
- status_str = "DGPS Fix";
- break;
- default:
- status_str = "Unknown Status";
- break;
- }
-
- return g_strdup_printf("%lf,%s,%s", gps_data->online, online_str, status_str);
}
-#endif
+/* GPS Control Frame */
+static gboolean on_gps_follow_clicked_event(GtkWidget *widget, gpointer user_data)
+{
+ GritsPluginGps *gps = (GritsPluginGps *)user_data;
+ g_debug("GritsPluginGps: follow_clicked_event - button status %d",
+ gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget)));
+ if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget))) {
+ gps->follow_gps = TRUE;
+ } else {
+ gps->follow_gps = FALSE;
+ }
-static
-char *gps_get_latitude(struct gps_data_t *gps_data)
-{
- return g_strdup_printf("%3.4f", gps_data->fix.latitude);
+ return FALSE;
}
-static
-char *gps_get_longitude(struct gps_data_t *gps_data)
+static gboolean on_gps_track_enable_clicked_event(GtkWidget *widget, gpointer user_data)
{
- return g_strdup_printf("%3.4f", gps_data->fix.longitude);
+ GritsPluginGps *gps = (GritsPluginGps *)user_data;
+
+ g_debug("GritsPluginGps: track_enable_clicked_event");
+
+ if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget))) {
+ /* start logging trip history */
+ GPS_STATUS(gps, "Enabled GPS track.");
+ gps->track.active = TRUE;
+ } else {
+ /* stop logging trip history */
+ GPS_STATUS(gps, "Disabled GPS track.");
+ gps->track.active = FALSE;
+ /* advance to the next track group, moving everything down if
+ * it's full. */
+ gps_track_group_incr(&gps->track);
+ }
+
+ return FALSE;
}
-static
-char *gps_get_elevation(struct gps_data_t *gps_data)
+static gboolean on_gps_track_clear_clicked_event(GtkWidget *widget, gpointer user_data)
{
- /* XXX Make units (m/ft) settable */
- return g_strdup_printf("%.1lf %s",
- (gps_data->fix.altitude * METERS_TO_FEET), "ft");
+ GritsPluginGps *gps = (GritsPluginGps *)user_data;
+
+ g_debug("GritsPluginGps: track_clear_clicked_event");
+ GPS_STATUS(gps, "Cleared GPS track.");
+ gps_track_clear(&gps->track);
+
+ return FALSE;
}
-static
-char *gps_get_heading(struct gps_data_t *gps_data)
-{
- /* XXX Make units (m/ft) settable */
- return g_strdup_printf("%03.0lf", gps_data->fix.track);
+static void gps_init_control_frame(GritsPluginGps *gps, GtkWidget *gbox)
+{
+ /* Control checkboxes */
+ GtkWidget *gps_control_frame = gtk_frame_new("<b>GPS Control</b>");
+ GtkWidget *label = gtk_frame_get_label_widget(
+ GTK_FRAME(gps_control_frame));
+ gtk_label_set_use_markup(GTK_LABEL(label), TRUE);
+ gtk_frame_set_shadow_type(GTK_FRAME(gps_control_frame),
+ GTK_SHADOW_NONE);
+ GtkWidget *cbox = gtk_vbox_new(FALSE, 2);
+ gtk_container_add(GTK_CONTAINER(gps_control_frame), cbox);
+ gtk_box_pack_start(GTK_BOX(gbox), gps_control_frame, FALSE, FALSE, 0);
+
+ gps->ui.gps_follow_checkbox =
+ gtk_check_button_new_with_label("Follow GPS");
+ g_signal_connect(G_OBJECT(gps->ui.gps_follow_checkbox), "clicked",
+ G_CALLBACK(on_gps_follow_clicked_event),
+ (gpointer)gps);
+ gtk_box_pack_start(GTK_BOX(cbox), gps->ui.gps_follow_checkbox,
+ FALSE, FALSE, 0);
+
+ gps->ui.gps_track_checkbox =
+ gtk_check_button_new_with_label("Record Track");
+ g_signal_connect(G_OBJECT(gps->ui.gps_track_checkbox), "clicked",
+ G_CALLBACK(on_gps_track_enable_clicked_event),
+ (gpointer)gps);
+ gtk_box_pack_start(GTK_BOX(cbox), gps->ui.gps_track_checkbox,
+ FALSE, FALSE, 0);
+
+ gps->ui.gps_clear_button = gtk_button_new_with_label("Clear Track");
+ g_signal_connect(G_OBJECT(gps->ui.gps_clear_button), "clicked",
+ G_CALLBACK(on_gps_track_clear_clicked_event),
+ (gpointer)gps);
+ gtk_box_pack_start(GTK_BOX(cbox), gps->ui.gps_clear_button,
+ FALSE, FALSE, 0);
+}
+
+/* Track Log Frame */
+static gboolean on_gps_log_clicked_event(GtkWidget *widget, gpointer user_data)
+{
+ GritsPluginGps *gps = (GritsPluginGps *)user_data;
+
+ g_debug("GritsPluginGps: log_clicked_event");
+
+ if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON (widget))) {
+ gps_write_log(gps);
+
+ /* Schedule log file write */
+ gps->ui.gps_log_timeout_id = g_timeout_add(
+ gtk_range_get_value(
+ GTK_RANGE(gps->ui.gps_log_interval_slider))*1000,
+ gps_write_log, gps);
+ } else {
+ /* button unchecked */
+ g_source_remove(gps->ui.gps_log_timeout_id);
+ gps->ui.gps_log_timeout_id = 0;
+ g_debug("GritsPluginGps: log_clicked_event - closed log file.");
+ }
+
+ return FALSE;
}
-static
-char *gps_get_speed(struct gps_data_t *gps_data)
+static gboolean on_gps_log_interval_changed_event(GtkWidget *widget, gpointer user_data)
{
- /* XXX Make units (m/ft) settable */
- return g_strdup_printf("%1.1f %s",
- (gps_data->fix.speed*3600.0*METERS_TO_FEET/5280.0), "mph");
-}
+ GritsPluginGps *gps = (GritsPluginGps *)user_data;
+ g_assert(gps);
-static
-struct gps_data_t *initialize_gpsd(char *device, char *port)
-{
- struct gps_data_t *gps_data;
+ g_debug("GritsPluginGps: log_interval_changed_event - value = %f",
+ gtk_range_get_value(GTK_RANGE(widget)));
- if ((gps_data = gps_open(device, port)) == NULL) {
- g_warning("Unable to open gpsd connection");
- gps_data = NULL;
- } else {
+ if (gtk_toggle_button_get_active(
+ GTK_TOGGLE_BUTTON(gps->ui.gps_log_checkbox))) {
+ g_assert(gps->ui.gps_log_timeout_id != 0);
-#if GPSD_API_MAJOR_VERSION < 4
- /* set data smothing */
- gps_query(gps_data, "j=1\n");
+ /* disable old timeout */
+ g_source_remove(gps->ui.gps_log_timeout_id);
+ gps->ui.gps_log_timeout_id = 0;
- /* Put gpsd in "watcher" mode so it continually tells us of updates */
- gps_query(gps_data, "w+ox");
+ /* Schedule new log file write */
+ gps->ui.gps_log_timeout_id = g_timeout_add(
+ gtk_range_get_value(GTK_RANGE(widget))*1000,
+ gps_write_log, gps);
+ gps_write_log(gps);
+ }
- if (gps_query(gps_data, "o\n") == -1) {
- g_warning("Error querying gps data\n");
- }
- gdk_input_add(gps_data->gps_fd, GDK_INPUT_READ, process_gps, gps_data);
- gps_clear_fix(&gps_data->fix);
+ return FALSE;
+}
-#else /* Version > 4 uses gps_stream() instead */
- (void)gps_stream(gps_data, WATCH_ENABLE|WATCH_JSON, NULL);
- g_debug("initialize_gpsd(): gpsd fd %u.", gps_data->gps_fd);
- gdk_input_add(gps_data->gps_fd, GDK_INPUT_READ, process_gps, gps_data);
-#endif
- }
+static void gps_init_track_log_frame(GritsPluginGps *gps, GtkWidget *gbox)
+{
+ /* Track log box with enable checkbox and filename entry */
+ GtkWidget *gps_log_frame = gtk_frame_new("<b>Track Log</b>");
+ GtkWidget *label = gtk_frame_get_label_widget(GTK_FRAME(gps_log_frame));
+ gtk_label_set_use_markup(GTK_LABEL(label), TRUE);
+ gtk_frame_set_shadow_type(GTK_FRAME(gps_log_frame), GTK_SHADOW_NONE);
+ GtkWidget *lbox = gtk_vbox_new(FALSE, 2);
+ gtk_container_add(GTK_CONTAINER(gps_log_frame), lbox);
+ gtk_box_pack_start(GTK_BOX(gbox), gps_log_frame,
+ FALSE, FALSE, 0);
- return gps_data;
+ gps->ui.gps_log_checkbox =
+ gtk_check_button_new_with_label("Log Position to File");
+ g_signal_connect(G_OBJECT(gps->ui.gps_log_checkbox), "clicked",
+ G_CALLBACK(on_gps_log_clicked_event),
+ (gpointer)gps);
+ gtk_box_pack_start(GTK_BOX(lbox), gps->ui.gps_log_checkbox,
+ FALSE, FALSE, 0);
+
+ /* Set up filename entry box */
+ GtkWidget *fbox = gtk_hbox_new(FALSE, 2);
+ GtkWidget *filename_label = gtk_label_new("Filename:");
+ gtk_box_pack_start(GTK_BOX(fbox), filename_label, FALSE, FALSE, 0);
+ gps->ui.gps_log_filename_entry = gtk_entry_new();
+ gtk_box_pack_start(GTK_BOX(fbox), gps->ui.gps_log_filename_entry,
+ TRUE, TRUE, 0);
+ gtk_box_pack_start(GTK_BOX(lbox), fbox, FALSE, FALSE, 0);
+
+ /* set up gps log interval slider */
+ GtkWidget *ubox = gtk_hbox_new(FALSE, 4);
+ GtkWidget *interval_label = gtk_label_new("Update Interval:");
+ gtk_box_pack_start(GTK_BOX(ubox), interval_label, FALSE, FALSE, 0);
+ gps->ui.gps_log_interval_slider =
+ gtk_hscale_new_with_range(1.0, 600.0, 30.0);
+ gtk_range_set_value(GTK_RANGE(gps->ui.gps_log_interval_slider),
+ GPS_LOG_DEFAULT_UPDATE_INTERVAL);
+ g_signal_connect(G_OBJECT(gps->ui.gps_log_interval_slider),
+ "value-changed",
+ G_CALLBACK(on_gps_log_interval_changed_event),
+ (gpointer)gps);
+ gtk_range_set_increments(
+ GTK_RANGE(gps->ui.gps_log_interval_slider),
+ 10.0 /* step */, 30.0 /* page up/down */);
+ gtk_range_set_update_policy(
+ GTK_RANGE(gps->ui.gps_log_interval_slider),
+ GTK_UPDATE_DELAYED);
+ gtk_box_pack_start(GTK_BOX(ubox), gps->ui.gps_log_interval_slider,
+ TRUE, TRUE, 0);
+ gtk_box_pack_start(GTK_BOX(lbox), ubox, FALSE, FALSE, 0);
+}
+
+
+/*******************
+ * GPSD interfaces *
+ *******************/
+
+static void process_gps(gpointer data, gint source, GdkInputCondition condition)
+{
+ struct gps_data_t *gps_data = (struct gps_data_t *)data;
+
+ g_debug("GritsPluginGps: process_gps");
+
+ /* Process any data from the gps and call the hook function */
+ if (gps_data != NULL) {
+ gint result = gps_read(gps_data);
+ g_debug("GritsPluginGps: process_gps - gps_read returned %d, "
+ "position %f, %f.", result,
+ gps_data->fix.latitude, gps_data->fix.longitude);
+ } else {
+ g_warning("GritsPluginGps: process_gps - gps_data == NULL.");
+ }
}
-static void
-process_gps(gpointer data, gint source, GdkInputCondition condition)
+static gint initialize_gpsd(char *server, gchar *port, struct gps_data_t *gps_data)
{
- struct gps_data_t *gps_data = (struct gps_data_t *)data;
+#if GPSD_API_MAJOR_VERSION < 5
+#error "GPSD protocol version 5 or greater required."
+#endif
+ gint result;
+
+ if ((result = gps_open(server, port, gps_data)) != 0) {
+ g_warning("Unable to open gpsd connection to %s:%s: %d, %d, %s",
+ server, port, result, errno, gps_errstr(errno));
+ } else {
+ (void)gps_stream(gps_data, WATCH_ENABLE|WATCH_JSON, NULL);
+ g_debug("GritsPluginGps: initialize_gpsd - gpsd fd %u.",
+ gps_data->gps_fd);
+ gdk_input_add(gps_data->gps_fd, GDK_INPUT_READ, process_gps, gps_data);
+ }
- /* Process any data from the gps and call the hook function */
- g_debug("In process_gps()");
- if (gps_data != NULL) {
- int result = gps_read(gps_data);
- g_debug("In process_gps(), gps_read returned %d, position %f, %f.", result, gps_data->fix.latitude, gps_data->fix.longitude);
- } else {
- g_debug("process_gps: gps_data == NULL.");
- }
+ return result;
}
-/************************** GPS Object Methods *************************/
+
+/**********************
+ * GPS Plugin Methods *
+ **********************/
/* Methods */
-GritsPluginGPS *grits_plugin_gps_new(GritsViewer *viewer, GritsPrefs *prefs)
+GritsPluginGps *grits_plugin_gps_new(GritsViewer *viewer, GritsPrefs *prefs)
{
/* TODO: move to constructor if possible */
- g_debug("GritsPluginGPS: new");
- GritsPluginGPS *self = g_object_new(GRITS_TYPE_PLUGIN_GPS, NULL);
- self->viewer = viewer;
- self->prefs = prefs;
-
- g_debug("grits_plugin_gps_new()");
+ g_debug("GritsPluginGps: new");
+ GritsPluginGps *gps = g_object_new(GRITS_TYPE_PLUGIN_GPS, NULL);
+ gps->viewer = viewer;
+ gps->prefs = prefs;
- self->gps_data = initialize_gpsd("localhost", DEFAULT_GPSD_PORT);
- self->follow_gps = FALSE;
- self->gps_sn_active = FALSE;
+ initialize_gpsd("localhost", DEFAULT_GPSD_PORT, &gps->gps_data);
+ gps->follow_gps = FALSE;
- gps_init_status_info(self, self->hbox);
- gps_init_control_frame(self, self->hbox);
- gps_init_track_log_frame(self, self->hbox);
- gps_init_spotter_network_frame(self, self->hbox);
- gps_init_range_rings(self, self->hbox);
+ gps_track_init(&gps->track);
+ gps_init_control_frame(gps, gps->config);
+ gps_init_track_log_frame(gps, gps->config);
+ gps_init_status_info(gps, gps->config);
- return self;
+ return gps;
}
-static GtkWidget *grits_plugin_gps_get_config(GritsPlugin *_self)
+static GtkWidget *grits_plugin_gps_get_config(GritsPlugin *_gps)
{
- GritsPluginGPS *self = GRITS_PLUGIN_GPS(_self);
- return self->config;
+ GritsPluginGps *gps = GRITS_PLUGIN_GPS(_gps);
+ return gps->config;
}
/* GObject code */
static void grits_plugin_gps_plugin_init(GritsPluginInterface *iface);
-G_DEFINE_TYPE_WITH_CODE(GritsPluginGPS, grits_plugin_gps, G_TYPE_OBJECT,
+G_DEFINE_TYPE_WITH_CODE(GritsPluginGps, grits_plugin_gps, G_TYPE_OBJECT,
G_IMPLEMENT_INTERFACE(GRITS_TYPE_PLUGIN,
grits_plugin_gps_plugin_init));
static void grits_plugin_gps_plugin_init(GritsPluginInterface *iface)
{
- g_debug("GritsPluginGPS: plugin_init");
+ g_debug("GritsPluginGps: plugin_init");
/* Add methods to the interface */
iface->get_config = grits_plugin_gps_get_config;
}
-static void grits_plugin_gps_init(GritsPluginGPS *self)
+static void grits_plugin_gps_init(GritsPluginGps *gps)
{
- g_debug("GritsPluginGPS: in gps_init()");
-
- self->config = gtk_notebook_new();
+ g_debug("GritsPluginGps: gps_init");
- self->hbox = gtk_hbox_new(FALSE, 2);
- gtk_notebook_insert_page(GTK_NOTEBOOK(self->config),
- GTK_WIDGET(self->hbox),
- gtk_label_new("GPS"), 0);
- /* Need to position on the top because of Win32 bug */
- gtk_notebook_set_tab_pos(GTK_NOTEBOOK(self->config), GTK_POS_LEFT);
+ gps->config = gtk_hbox_new(FALSE, 15);
}
static void grits_plugin_gps_dispose(GObject *gobject)
{
- g_debug("GritsPluginGPS: dispose");
- GritsPluginGPS *self = GRITS_PLUGIN_GPS(gobject);
- g_signal_handler_disconnect(self->config, self->tab_id);
+ GritsPluginGps *gps = GRITS_PLUGIN_GPS(gobject);
+
+ g_debug("GritsPluginGps: dispose");
+
+ if (gps->viewer) {
+ if (gps->marker) {
+ grits_viewer_remove(gps->viewer,
+ GRITS_OBJECT(gps->marker));
+ }
+ g_object_unref(gps->viewer);
+ gps->viewer = NULL;
+ }
+
+ gps_track_free(&gps->track);
/* Drop references */
G_OBJECT_CLASS(grits_plugin_gps_parent_class)->dispose(gobject);
static void grits_plugin_gps_finalize(GObject *gobject)
{
- g_debug("GritsPluginGPS: finalize");
- GritsPluginGPS *self = GRITS_PLUGIN_GPS(gobject);
+ GritsPluginGps *gps = GRITS_PLUGIN_GPS(gobject);
+
+ g_debug("GritsPluginGps: finalize");
+
/* Free data */
- gtk_widget_destroy(self->config);
+ gtk_widget_destroy(gps->config);
G_OBJECT_CLASS(grits_plugin_gps_parent_class)->finalize(gobject);
}
-static void grits_plugin_gps_class_init(GritsPluginGPSClass *klass)
+static void grits_plugin_gps_class_init(GritsPluginGpsClass *klass)
{
- g_debug("GritsPluginGPS: class_init");
+ g_debug("GritsPluginGps: class_init");
GObjectClass *gobject_class = (GObjectClass*)klass;
gobject_class->dispose = grits_plugin_gps_dispose;
gobject_class->finalize = grits_plugin_gps_finalize;
projects / aweather / blobdiff