*
*/
+#include <stdlib.h>
+#include <math.h>
#include "viking.h"
#include "vikgpslayer_pixmap.h"
#include "babel.h"
#include <string.h>
#include <glib.h>
#include <glib/gprintf.h>
+#include <gps.h>
#define DISCONNECT_UPDATE_SIGNAL(vl, val) g_signal_handlers_disconnect_matched(vl, G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, val)
static VikGpsLayer *vik_gps_layer_create (VikViewport *vp);
static void gps_layer_add_menu_items( VikGpsLayer *vtl, GtkMenu *menu, gpointer vlp );
static void gps_layer_drag_drop_request ( VikGpsLayer *val_src, VikGpsLayer *val_dest, GtkTreeIter *src_item_iter, GtkTreePath *dest_path );
+static void realtime_tracking_draw(VikGpsLayer *vgl, VikViewport *vp);
static void gps_upload_cb( gpointer layer_and_vlp[2] );
static void gps_download_cb( gpointer layer_and_vlp[2] );
static void gps_empty_upload_cb( gpointer layer_and_vlp[2] );
static void gps_empty_download_cb( gpointer layer_and_vlp[2] );
static void gps_empty_all_cb( gpointer layer_and_vlp[2] );
+static void gps_start_stop_tracking_cb( gpointer layer_and_vlp[2] );
typedef enum {GARMIN_P = 0, MAGELLAN_P, NUM_PROTOCOLS} vik_gps_proto;
static gchar * params_protocols[] = {"Garmin", "Magellan", NULL};
} GpsSession;
static void gps_session_delete(GpsSession *sess);
+static gchar *params_groups[] = {"Data Mode", "Realtime Tracking Mode"};
+enum {GROUP_DATA_MODE, GROUP_REALTIME_MODE};
+
static VikLayerParam gps_layer_params[] = {
- { "gps_protocol", VIK_LAYER_PARAM_UINT, VIK_LAYER_GROUP_NONE, "GPS Protocol:", VIK_LAYER_WIDGET_COMBOBOX, params_protocols, NULL},
- { "gps_port", VIK_LAYER_PARAM_UINT, VIK_LAYER_GROUP_NONE, "Serial Port:", VIK_LAYER_WIDGET_COMBOBOX, params_ports, NULL},
+ { "gps_protocol", VIK_LAYER_PARAM_UINT, GROUP_DATA_MODE, "GPS Protocol:", VIK_LAYER_WIDGET_COMBOBOX, params_protocols, NULL},
+ { "gps_port", VIK_LAYER_PARAM_UINT, GROUP_DATA_MODE, "Serial Port:", VIK_LAYER_WIDGET_COMBOBOX, params_ports, NULL},
+
+ { "record_tracking", VIK_LAYER_PARAM_BOOLEAN, GROUP_REALTIME_MODE, "Recording tracks", VIK_LAYER_WIDGET_CHECKBUTTON},
+ { "center_start_tracking", VIK_LAYER_PARAM_BOOLEAN, GROUP_REALTIME_MODE, "Jump to current position on start", VIK_LAYER_WIDGET_CHECKBUTTON},
+ { "centered_tracking", VIK_LAYER_PARAM_BOOLEAN, GROUP_REALTIME_MODE, "Keep current position at center", VIK_LAYER_WIDGET_CHECKBUTTON},
+ { "gpsd_host", VIK_LAYER_PARAM_STRING, GROUP_REALTIME_MODE, "Gpsd Host:", VIK_LAYER_WIDGET_ENTRY},
+ { "gpsd_port", VIK_LAYER_PARAM_STRING, GROUP_REALTIME_MODE, "Gpsd Port:", VIK_LAYER_WIDGET_ENTRY},
};
-enum {PARAM_PROTOCOL=0, PARAM_PORT, NUM_PARAMS};
+enum {PARAM_PROTOCOL=0, PARAM_PORT, PARAM_REALTIME_REC, PARAM_REALTIME_CENTER_START, PARAM_REALTIME_CENTERED, PARAM_GPSD_HOST, PARAM_GPSD_PORT, NUM_PARAMS};
VikLayerInterface vik_gps_layer_interface = {
"GPS",
gps_layer_params,
NUM_PARAMS,
- NULL,
- 0,
+ params_groups,
+ sizeof(params_groups)/sizeof(params_groups[0]),
VIK_MENU_ITEM_ALL & ~(VIK_MENU_ITEM_CUT|VIK_MENU_ITEM_COPY),
enum {TRW_DOWNLOAD, TRW_UPLOAD, NUM_TRW};
static gchar * trw_names[] = {"GPS Download", "GPS Upload"};
+
+typedef struct {
+ struct gps_data_t gpsd;
+ VikGpsLayer *vgl;
+} VglGpsd;
+
+typedef struct {
+ struct LatLon ll;
+ gdouble heading;
+ gdouble alt; /* meters */
+ gdouble speed; /* m/s */
+ time_t timestamp;
+ gboolean dirty; /* needs to be saved */
+} GpsFix;
+
struct _VikGpsLayer {
VikLayer vl;
VikTrwLayer * trw_children[NUM_TRW];
GList * children; /* used only for writing file */
int cur_read_child; /* used only for reading file */
+ VglGpsd *vgpsd;
+ gboolean realtime_tracking;
+ GMutex *realtime_tracking_mutex;
+ GpsFix realtime_fix;
+ GpsFix last_fix;
+
+ enum unit realtime_gpsd_unit;
+
+ VikTrack *realtime_track;
+ gchar *realtime_track_name;
+
+ GIOChannel *realtime_io_channel;
+ guint realtime_io_watch_id;
+ GdkGC *realtime_track_gc;
+ GdkGC *realtime_track_bg_gc;
+ GdkGC *realtime_track_pt_gc;
+ GdkGC *realtime_track_pt1_gc;
+ GdkGC *realtime_track_pt2_gc;
+
/* params */
guint protocol_id;
guint serial_port_id;
+ /* TODO: show on diaglog */
+ gchar *gpsd_host;
+ gchar *gpsd_port;
+ gboolean realtime_record;
+ gboolean realtime_jump_to_start;
+ gboolean realtime_keep_at_center;
};
GType vik_gps_layer_get_type ()
static VikGpsLayer *vik_gps_layer_create (VikViewport *vp)
{
- VikGpsLayer *rv = vik_gps_layer_new ();
+ VikGpsLayer *rv = vik_gps_layer_new (vp);
vik_layer_rename ( VIK_LAYER(rv), vik_gps_layer_interface.name );
rv->trw_children[TRW_UPLOAD] = VIK_TRW_LAYER(vik_layer_create ( VIK_LAYER_TRW, vp, NULL, FALSE ));
vik_layer_set_menu_items_selection(VIK_LAYER(rv->trw_children[TRW_UPLOAD]), VIK_MENU_ITEM_ALL & ~(VIK_MENU_ITEM_CUT|VIK_MENU_ITEM_DELETE));
child_layer = vik_layer_unmarshall ( data + sizeof(gint), alm_size, vvp );
if (child_layer) {
rv->trw_children[i++] = (VikTrwLayer *)child_layer;
- g_signal_connect_swapped ( G_OBJECT(child_layer), "update", G_CALLBACK(vik_layer_emit_update), rv );
+ g_signal_connect_swapped ( G_OBJECT(child_layer), "update", G_CALLBACK(vik_layer_emit_update_secondary), rv );
}
alm_next;
}
{
switch ( id )
{
+ /* TODO: gpsd_host, gpsd_port */
case PARAM_PROTOCOL:
if (data.u < NUM_PROTOCOLS)
vgl->protocol_id = data.u;
else
g_warning("Unknown serial port device");
break;
+ case PARAM_GPSD_HOST:
+ if (vgl->gpsd_host)
+ g_free(vgl->gpsd_host);
+ vgl->gpsd_host = g_strdup(data.s);
+ break;
+ case PARAM_GPSD_PORT:
+ if (vgl->gpsd_port)
+ g_free(vgl->gpsd_port);
+ vgl->gpsd_port = g_strdup(data.s); /* TODO: check for number */
+ break;
+ case PARAM_REALTIME_REC:
+ vgl->realtime_record = data.b;
+ break;
+ case PARAM_REALTIME_CENTER_START:
+ vgl->realtime_jump_to_start = data.b;
+ break;
+ case PARAM_REALTIME_CENTERED:
+ vgl->realtime_keep_at_center = data.b;
+ break;
+ default:
+ g_warning("gps_layer_set_param(): unknown parameter");
}
return TRUE;
VikLayerParamData rv;
switch ( id )
{
+ /* TODO: gpsd_host, gpsd_port */
case PARAM_PROTOCOL:
rv.u = vgl->protocol_id;
break;
case PARAM_PORT:
rv.u = vgl->serial_port_id;
break;
+ case PARAM_GPSD_HOST:
+ rv.s = vgl->gpsd_host ? vgl->gpsd_host : "";
+ break;
+ case PARAM_GPSD_PORT:
+ rv.s = vgl->gpsd_port ? vgl->gpsd_port : g_strdup(DEFAULT_GPSD_PORT);
+ break;
+ case PARAM_REALTIME_REC:
+ rv.b = vgl->realtime_record;
+ break;
+ case PARAM_REALTIME_CENTER_START:
+ rv.b = vgl->realtime_jump_to_start;
+ break;
+ case PARAM_REALTIME_CENTERED:
+ rv.b = vgl->realtime_keep_at_center;
+ break;
default:
g_warning("gps_layer_get_param(): unknown parameter");
}
return rv;
}
-VikGpsLayer *vik_gps_layer_new ()
+VikGpsLayer *vik_gps_layer_new (VikViewport *vp)
{
gint i;
VikGpsLayer *vgl = VIK_GPS_LAYER ( g_object_new ( VIK_GPS_LAYER_TYPE, NULL ) );
vgl->children = NULL;
vgl->cur_read_child = 0;
+ vgl->realtime_tracking_mutex = g_mutex_new();
+ vgl->realtime_tracking = FALSE;
+ vgl->vgpsd = NULL;
+ vgl->realtime_track_gc = vik_viewport_new_gc ( vp, "#203070", 2 );
+ vgl->realtime_track_bg_gc = vik_viewport_new_gc ( vp, "grey", 2 );
+ vgl->realtime_track_pt1_gc = vik_viewport_new_gc ( vp, "red", 2 );
+ vgl->realtime_track_pt2_gc = vik_viewport_new_gc ( vp, "green", 2 );
+ vgl->realtime_track_pt_gc = vgl->realtime_track_pt1_gc;
+ vgl->realtime_gpsd_unit = gpsd_units();
+ // fprintf(stderr, "DEBUG: gpsd_unit = %d\n", vgl->realtime_gpsd_unit);
+ vgl->realtime_track = NULL;
+
/* Setting params here */
vgl->protocol_id = 0;
vgl->serial_port_id = 0;
+ vgl->gpsd_host = g_strdup("localhost");
+ vgl->gpsd_port = g_strdup(DEFAULT_GPSD_PORT);
+ vgl->realtime_record = TRUE;
+ vgl->realtime_jump_to_start = TRUE;
+ vgl->realtime_keep_at_center = FALSE;
return vgl;
}
static void vik_gps_layer_draw ( VikGpsLayer *vgl, gpointer data )
{
gint i;
+ VikLayer *vl;
+ VikLayer *trigger = VIK_LAYER(vik_viewport_get_trigger( VIK_VIEWPORT(data) ));
- /* TODO: half-drawn hack -- see vik_aggregate_layer_draw */
for (i = 0; i < NUM_TRW; i++) {
- vik_layer_draw((VikLayer*)(vgl->trw_children[i]), data);
+ vl = VIK_LAYER(vgl->trw_children[i]);
+ if (vl == trigger) {
+ if ( vik_viewport_get_half_drawn ( VIK_VIEWPORT(data) ) ) {
+ vik_viewport_set_half_drawn ( VIK_VIEWPORT(data), FALSE );
+ vik_viewport_snapshot_load( VIK_VIEWPORT(data) );
+ } else {
+ vik_viewport_snapshot_save( VIK_VIEWPORT(data) );
+ }
+ }
+ if (!vik_viewport_get_half_drawn( VIK_VIEWPORT(data)))
+ vik_layer_draw ( vl, data );
+ }
+ if (vgl->realtime_tracking) {
+ if (VIK_LAYER(vgl) == trigger) {
+ if ( vik_viewport_get_half_drawn ( VIK_VIEWPORT(data) ) ) {
+ vik_viewport_set_half_drawn ( VIK_VIEWPORT(data), FALSE );
+ vik_viewport_snapshot_load( VIK_VIEWPORT(data) );
+ } else {
+ vik_viewport_snapshot_save( VIK_VIEWPORT(data) );
+ }
+ }
+ if (!vik_viewport_get_half_drawn( VIK_VIEWPORT(data)))
+ realtime_tracking_draw(vgl, VIK_VIEWPORT(data));
}
}
gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
gtk_widget_show ( item );
+ item = gtk_menu_item_new_with_label ( vgl->realtime_tracking ?
+ "Stop realtime tracking" :
+ "Start realtime tracking" );
+ g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_start_stop_tracking_cb), pass_along );
+ gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
+ gtk_widget_show ( item );
+
item = gtk_menu_item_new();
gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
gtk_widget_show ( item );
disconnect_layer_signal(VIK_LAYER(vgl->trw_children[i]), vgl);
g_object_unref(vgl->trw_children[i]);
}
+ if (vgl->realtime_track_gc != NULL)
+ g_object_unref(vgl->realtime_track_gc);
+ if (vgl->realtime_track_bg_gc != NULL)
+ g_object_unref(vgl->realtime_track_bg_gc);
+ if (vgl->realtime_track_pt1_gc != NULL)
+ g_object_unref(vgl->realtime_track_pt1_gc);
+ if (vgl->realtime_track_pt2_gc != NULL)
+ g_object_unref(vgl->realtime_track_pt2_gc);
+ if (vgl->realtime_tracking_mutex != NULL)
+ g_mutex_free(vgl->realtime_tracking_mutex);
}
gboolean vik_gps_layer_delete ( VikGpsLayer *vgl, GtkTreeIter *iter )
if ( ! trw->visible )
vik_treeview_item_set_visible ( VIK_LAYER(vgl)->vt, &iter, FALSE );
vik_layer_realize ( trw, VIK_LAYER(vgl)->vt, &iter );
- g_signal_connect_swapped ( G_OBJECT(trw), "update", G_CALLBACK(vik_layer_emit_update), vgl );
+ g_signal_connect_swapped ( G_OBJECT(trw), "update", G_CALLBACK(vik_layer_emit_update_secondary), vgl );
}
}
g_object_ref ( vl );
vik_gps_layer_delete(val_src, src_item_iter);
-#ifdef XXXXXXXXXXXXXXXXXXXXXXXXX
- TODO:
- if (target_exists) {
- vik_gps_layer_insert_layer(val_dest, vl, &dest_iter);
- } else {
- vik_gps_layer_insert_layer(val_dest, vl, NULL); /* append */
- }
-#endif /* XXXXXXXXXXXXXXXXXXXXXXXXX */
g_free(dp);
}
vik_trw_layer_delete_all_waypoints ( vgl-> trw_children[TRW_DOWNLOAD]);
vik_trw_layer_delete_all_tracks ( vgl-> trw_children[TRW_DOWNLOAD]);
}
+
+static void realtime_tracking_draw(VikGpsLayer *vgl, VikViewport *vp)
+{
+ VikCoord nw, se;
+ struct LatLon lnw, lse;
+ vik_viewport_screen_to_coord ( vp, -20, -20, &nw );
+ vik_viewport_screen_to_coord ( vp, vik_viewport_get_width(vp)+20, vik_viewport_get_width(vp)+20, &se );
+ vik_coord_to_latlon ( &nw, &lnw );
+ vik_coord_to_latlon ( &se, &lse );
+ if ( vgl->realtime_fix.ll.lat > lse.lat &&
+ vgl->realtime_fix.ll.lat < lnw.lat &&
+ vgl->realtime_fix.ll.lon > lnw.lon &&
+ vgl->realtime_fix.ll.lon < lse.lon ) {
+ VikCoord gps;
+ gint x, y;
+ gint half_back_x, half_back_y;
+ gint half_back_bg_x, half_back_bg_y;
+ gint pt_x, pt_y;
+ gint ptbg_x, ptbg_y;
+ gint side1_x, side1_y, side2_x, side2_y;
+ gint side1bg_x, side1bg_y, side2bg_x, side2bg_y;
+
+ vik_coord_load_from_latlon ( &gps, vik_viewport_get_coord_mode(vp), &(vgl->realtime_fix.ll) );
+ vik_viewport_coord_to_screen ( vp, &gps, &x, &y );
+
+ gdouble heading_cos = cos(M_PI/180*vgl->realtime_fix.heading);
+ gdouble heading_sin = sin(M_PI/180*vgl->realtime_fix.heading);
+
+ half_back_y = y+8*heading_cos;
+ half_back_x = x-8*heading_sin;
+ half_back_bg_y = y+10*heading_cos;
+ half_back_bg_x = x-10*heading_sin;
+
+ pt_y = half_back_y-24*heading_cos;
+ pt_x = half_back_x+24*heading_sin;
+ ptbg_y = half_back_bg_y-28*heading_cos;
+ ptbg_x = half_back_bg_x+28*heading_sin;
+
+ side1_y = half_back_y+9*heading_sin;
+ side1_x = half_back_x+9*heading_cos;
+ side1bg_y = half_back_bg_y+11*heading_sin;
+ side1bg_x = half_back_bg_x+11*heading_cos;
+
+ side2_y = half_back_y-9*heading_sin;
+ side2_x = half_back_x-9*heading_cos;
+ side2bg_y = half_back_bg_y-11*heading_sin;
+ side2bg_x = half_back_bg_x-11*heading_cos;
+
+ GdkPoint trian[3] = { { pt_x, pt_y }, {side1_x, side1_y}, {side2_x, side2_y} };
+ GdkPoint trian_bg[3] = { { ptbg_x, pt_y }, {side1bg_x, side1bg_y}, {side2bg_x, side2bg_y} };
+
+ vik_viewport_draw_polygon ( vp, vgl->realtime_track_bg_gc, TRUE, trian_bg, 3 );
+ vik_viewport_draw_polygon ( vp, vgl->realtime_track_gc, TRUE, trian, 3 );
+ vik_viewport_draw_rectangle ( vp, vgl->realtime_track_pt_gc, TRUE, x-2, y-2, 4, 4 );
+ vgl->realtime_track_pt_gc = (vgl->realtime_track_pt_gc == vgl->realtime_track_pt1_gc) ? vgl->realtime_track_pt2_gc : vgl->realtime_track_pt1_gc;
+ }
+}
+
+/* lock/unlock realtime_tracking_mutex when call this */
+static void create_realtime_trackpoint(VikGpsLayer *vgl, gboolean forced)
+{
+ if (vgl->realtime_record && vgl->realtime_fix.dirty) {
+ int heading = (int)floor(vgl->realtime_fix.heading);
+ int last_heading = (int)floor(vgl->last_fix.heading);
+ if (forced ||
+ ((heading < last_heading) && (heading < (last_heading - 3))) ||
+ ((heading > last_heading) && (heading > (last_heading + 3))) ||
+ ((int)vgl->realtime_fix.alt != (int)vgl->last_fix.alt)) {
+ /* TODO: check for new segments */
+ VikTrackpoint *tp = vik_trackpoint_new();
+ tp->newsegment = FALSE;
+ tp->altitude = vgl->realtime_fix.alt;
+ tp->has_timestamp = TRUE;
+ tp->timestamp = vgl->realtime_fix.timestamp;
+ vik_coord_load_from_latlon(&tp->coord,
+ vik_trw_layer_get_coord_mode(vgl->trw_children[TRW_DOWNLOAD]),
+ &vgl->realtime_fix.ll);
+ if (vgl->realtime_keep_at_center ||
+ (vgl->realtime_jump_to_start && !vgl->realtime_track->trackpoints)) {
+ VikWindow *vw = VIK_WINDOW(VIK_GTK_WINDOW_FROM_LAYER(vgl));
+ VikViewport *vvp = vik_window_viewport(vw);
+ vik_viewport_set_center_coord(vvp, &tp->coord);
+ }
+
+ vgl->realtime_track->trackpoints = g_list_append(vgl->realtime_track->trackpoints, tp);
+ vgl->realtime_fix.dirty = FALSE;
+ vgl->last_fix = vgl->realtime_fix;
+ }
+ }
+
+}
+
+void gpsd_raw_hook(VglGpsd *vgpsd, gchar *data)
+{
+ VikGpsLayer *vgl = vgpsd->vgl;
+
+ // fprintf(stderr, "raw_hook called\n");
+ if (!vgl->realtime_tracking)
+ return;
+
+ if (vgpsd->gpsd.fix.mode >= MODE_2D) {
+ if (!isnan(vgpsd->gpsd.fix.altitude))
+ vgl->realtime_fix.alt = vgpsd->gpsd.fix.altitude; /* in meters */
+ if (!isnan(vgpsd->gpsd.fix.speed))
+ vgl->realtime_fix.speed = vgpsd->gpsd.fix.speed; /* m/s */
+ }
+
+ if (vgl->realtime_fix.timestamp == (time_t)vgpsd->gpsd.fix.time)
+ return;
+
+ if ((vgpsd->gpsd.fix.mode >= MODE_2D) &&
+ !isnan(vgpsd->gpsd.fix.latitude) &&
+ !isnan(vgpsd->gpsd.fix.longitude) &&
+ !isnan(vgpsd->gpsd.fix.track)) {
+ g_mutex_lock(vgl->realtime_tracking_mutex);
+ vgl->realtime_fix.timestamp = vgpsd->gpsd.fix.time;
+ vgl->realtime_fix.ll.lat = vgpsd->gpsd.fix.latitude;
+ vgl->realtime_fix.ll.lon = vgpsd->gpsd.fix.longitude;
+ vgl->realtime_fix.heading = vgpsd->gpsd.fix.track;
+ vgl->realtime_fix.dirty = TRUE;
+
+ // fprintf(stderr, "%f %f\n", vgl->realtime_fix.alt, vgl->realtime_fix.speed * MPS_TO_KPH);
+
+ create_realtime_trackpoint(vgl, FALSE);
+ g_mutex_unlock(vgl->realtime_tracking_mutex);
+
+ vik_layer_emit_update ( VIK_LAYER(vgl) );
+ }
+}
+
+static gboolean gpsd_data_available(GIOChannel *source, GIOCondition condition, gpointer data)
+{
+ // fprintf(stderr, "gpsd_data_available called\n");
+
+ VikGpsLayer *vgl = data;
+ gps_poll(&vgl->vgpsd->gpsd);
+ return TRUE;
+}
+
+static gchar *make_track_name(VikTrwLayer *vtl)
+{
+ const gchar basename[] = "REALTIME";
+ const gint bufsize = sizeof(basename) + 5;
+ gchar *name = g_malloc(bufsize);
+ strcpy(name, basename);
+ gint i = 2;
+
+ while (vik_trw_layer_get_track(vtl, name) != NULL) {
+ g_snprintf(name, bufsize, "%s#%d", basename, i);
+ i++;
+ }
+ return(name);
+
+}
+
+static void gps_start_stop_tracking_cb( gpointer layer_and_vlp[2])
+{
+ VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
+ vgl->realtime_tracking = (vgl->realtime_tracking == FALSE);
+
+ if (vgl->realtime_tracking) {
+ struct gps_data_t *gpsd = gps_open(vgl->gpsd_host, vgl->gpsd_port);
+ if (gpsd == NULL) {
+ fprintf(stderr, "DEBUG: %s(): gps_open failed\n", __PRETTY_FUNCTION__);
+ vgl->realtime_tracking = FALSE;
+ return;
+ }
+ vgl->vgpsd = g_realloc(gpsd, sizeof(VglGpsd));
+ vgl->vgpsd->vgl = vgl;
+ vgl->realtime_fix.ll.lat = vgl->realtime_fix.ll.lon = vgl->realtime_fix.heading = 0;
+ vgl->last_fix.ll.lat = vgl->last_fix.ll.lon = vgl->last_fix.heading = 0;
+
+ gps_set_raw_hook(&vgl->vgpsd->gpsd, gpsd_raw_hook);
+ vgl->realtime_io_channel = g_io_channel_unix_new(vgl->vgpsd->gpsd.gps_fd);
+ vgl->realtime_io_watch_id = g_io_add_watch( vgl->realtime_io_channel,
+ G_IO_IN, gpsd_data_available, vgl);
+
+ // vgl->realtime_timeout = gtk_timeout_add ( 1000, (GtkFunction)gpsd_timeout, vgl);
+ if (vgl->realtime_record) {
+ VikTrwLayer *vtl = vgl->trw_children[TRW_DOWNLOAD];
+ vgl->realtime_track = vik_track_new();
+ vgl->realtime_track->visible = TRUE;
+ vgl->realtime_track_name = make_track_name(vtl);
+ vik_trw_layer_add_track(vtl, vgl->realtime_track_name, vgl->realtime_track);
+ }
+
+ vgl->realtime_fix.ll.lat = vgl->realtime_fix.ll.lon = 0.0;
+ vgl->realtime_fix.heading = vgl->realtime_fix.speed = 0.0;
+ vgl->realtime_fix.alt = VIK_DEFAULT_ALTITUDE;
+ vgl->realtime_fix.timestamp = 0;
+ vgl->realtime_fix.dirty = FALSE;
+ vgl->last_fix = vgl->realtime_fix;
+
+ gps_query(&vgl->vgpsd->gpsd, "w+x");
+
+ }
+ else { /* stop realtime tracking */
+ /* TODO: handle race condition here , make sure vgpsd is NULL */
+ g_mutex_lock(vgl->realtime_tracking_mutex);
+ gps_close(&vgl->vgpsd->gpsd);
+ vgl->vgpsd = NULL;
+ // g_source_remove(vgl->realtime_timeout);
+ g_source_remove(vgl->realtime_io_watch_id);
+ g_io_channel_unref (vgl->realtime_io_channel);
+
+ if (vgl->realtime_record) {
+ create_realtime_trackpoint(vgl, TRUE);
+ if ((vgl->realtime_track->trackpoints == NULL) || (vgl->realtime_track->trackpoints->next == NULL))
+ vik_trw_layer_delete_track(vgl->trw_children[TRW_DOWNLOAD], vgl->realtime_track_name);
+ }
+ g_mutex_unlock(vgl->realtime_tracking_mutex);
+ }
+}
+
projects / andy / viking.git / commitdiff