2 * viking -- GPS Data and Topo Analyzer, Explorer, and Manager
4 * Copyright (C) 2003-2005, Evan Battaglia <gtoevan@gmx.net>
5 * Copyright (C) 2006-2008, Quy Tonthat <qtonthat@gmail.com>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
32 #include "icons/icons.h"
41 #include <glib/gstdio.h>
42 #include <glib/gprintf.h>
43 #include <glib/gi18n.h>
44 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
48 #define DISCONNECT_UPDATE_SIGNAL(vl, val) g_signal_handlers_disconnect_matched(vl, G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, val)
49 static VikGpsLayer *vik_gps_layer_create (VikViewport *vp);
50 static void vik_gps_layer_realize ( VikGpsLayer *val, VikTreeview *vt, GtkTreeIter *layer_iter );
51 static void vik_gps_layer_free ( VikGpsLayer *val );
52 static void vik_gps_layer_draw ( VikGpsLayer *val, VikViewport *vp );
53 static VikGpsLayer *vik_gps_layer_new ( VikViewport *vp );
55 static void gps_layer_marshall( VikGpsLayer *val, guint8 **data, gint *len );
56 static VikGpsLayer *gps_layer_unmarshall( guint8 *data, gint len, VikViewport *vvp );
57 static gboolean gps_layer_set_param ( VikGpsLayer *vgl, guint16 id, VikLayerParamData data, VikViewport *vp, gboolean is_file_operation );
58 static VikLayerParamData gps_layer_get_param ( VikGpsLayer *vgl, guint16 id, gboolean is_file_operation );
60 static const gchar* gps_layer_tooltip ( VikGpsLayer *vgl );
62 static void gps_layer_change_coord_mode ( VikGpsLayer *val, VikCoordMode mode );
63 static void gps_layer_add_menu_items( VikGpsLayer *vtl, GtkMenu *menu, gpointer vlp );
64 static void gps_layer_drag_drop_request ( VikGpsLayer *val_src, VikGpsLayer *val_dest, GtkTreeIter *src_item_iter, GtkTreePath *dest_path );
66 static void gps_upload_cb( gpointer layer_and_vlp[2] );
67 static void gps_download_cb( gpointer layer_and_vlp[2] );
68 static void gps_empty_upload_cb( gpointer layer_and_vlp[2] );
69 static void gps_empty_download_cb( gpointer layer_and_vlp[2] );
70 static void gps_empty_all_cb( gpointer layer_and_vlp[2] );
71 #if defined (VIK_CONFIG_REALTIME_GPS_TRACKING) && defined (GPSD_API_MAJOR_VERSION)
72 static void gps_empty_realtime_cb( gpointer layer_and_vlp[2] );
73 static void gps_start_stop_tracking_cb( gpointer layer_and_vlp[2] );
74 static void realtime_tracking_draw(VikGpsLayer *vgl, VikViewport *vp);
75 static void rt_gpsd_disconnect(VikGpsLayer *vgl);
76 static gboolean rt_gpsd_connect(VikGpsLayer *vgl, gboolean ask_if_failed);
79 // Shouldn't need to use these much any more as the protocol is now saved as a string.
80 // They are kept for compatibility loading old .vik files
81 typedef enum {GARMIN_P = 0, MAGELLAN_P, DELORME_P, NAVILINK_P, OLD_NUM_PROTOCOLS} vik_gps_proto;
82 static gchar * protocols_args[] = {"garmin", "magellan", "delbin", "navilink", NULL};
84 static gchar * params_ports[] = {"com1", "usb:", NULL};
86 static gchar * params_ports[] = {"/dev/ttyS0", "/dev/ttyS1", "/dev/ttyUSB0", "/dev/ttyUSB1", "usb:", NULL};
88 /* NUM_PORTS not actually used */
89 /* #define NUM_PORTS (sizeof(params_ports)/sizeof(params_ports[0]) - 1) */
90 /* Compatibility with previous versions */
92 static gchar * old_params_ports[] = {"com1", "usb:", NULL};
94 static gchar * old_params_ports[] = {"/dev/ttyS0", "/dev/ttyS1", "/dev/ttyUSB0", "/dev/ttyUSB1", "usb:", NULL};
96 #define OLD_NUM_PORTS (sizeof(old_params_ports)/sizeof(old_params_ports[0]) - 1)
100 vik_gps_dir direction;
110 GtkWidget *status_label;
111 GtkWidget *gps_label;
112 GtkWidget *ver_label;
115 GtkWidget *trk_label;
116 GtkWidget *rte_label;
117 GtkWidget *progress_label;
118 vik_gps_xfer_type progress_type;
120 #if defined (VIK_CONFIG_REALTIME_GPS_TRACKING) && defined (GPSD_API_MAJOR_VERSION)
121 gboolean realtime_tracking;
124 static void gps_session_delete(GpsSession *sess);
126 static gchar *params_groups[] = {
128 #if defined (VIK_CONFIG_REALTIME_GPS_TRACKING) && defined (GPSD_API_MAJOR_VERSION)
129 N_("Realtime Tracking Mode"),
133 enum {GROUP_DATA_MODE, GROUP_REALTIME_MODE};
136 static VikLayerParamData gps_protocol_default ( void )
138 VikLayerParamData data;
139 data.s = g_strdup ( "garmin" );
143 static VikLayerParamData gps_port_default ( void )
145 VikLayerParamData data;
146 data.s = g_strdup ( "usb:" );
148 /* Attempt to auto set default USB serial port entry */
149 /* Ordered to make lowest device favourite if available */
150 if (g_access ("/dev/ttyUSB1", R_OK) == 0) {
152 g_free ( (gchar *)data.s );
153 data.s = g_strdup ("/dev/ttyUSB1");
155 if (g_access ("/dev/ttyUSB0", R_OK) == 0) {
157 g_free ( (gchar *)data.s );
158 data.s = g_strdup ("/dev/ttyUSB0");
164 #if defined (VIK_CONFIG_REALTIME_GPS_TRACKING) && defined (GPSD_API_MAJOR_VERSION)
165 static gchar *params_vehicle_position[] = {
166 N_("Keep vehicle at center"),
167 N_("Keep vehicle on screen"),
172 VEHICLE_POSITION_CENTERED = 0,
173 VEHICLE_POSITION_ON_SCREEN,
174 VEHICLE_POSITION_NONE,
177 static VikLayerParamData moving_map_method_default ( void ) { return VIK_LPD_UINT ( VEHICLE_POSITION_ON_SCREEN ); }
179 static VikLayerParamData gpsd_host_default ( void )
181 VikLayerParamData data;
182 data.s = g_strdup ( "localhost" );
186 static VikLayerParamData gpsd_port_default ( void )
188 VikLayerParamData data;
189 data.s = g_strdup ( DEFAULT_GPSD_PORT );
193 static VikLayerParamData gpsd_retry_interval_default ( void )
195 VikLayerParamData data;
196 data.s = g_strdup ( "10" );
202 static VikLayerParam gps_layer_params[] = {
203 // NB gps_layer_inst_init() is performed after parameter registeration
204 // thus to give the protocols some potential values use the old static list
205 // TODO: find another way to use gps_layer_inst_init()?
206 { VIK_LAYER_GPS, "gps_protocol", VIK_LAYER_PARAM_STRING, GROUP_DATA_MODE, N_("GPS Protocol:"), VIK_LAYER_WIDGET_COMBOBOX, protocols_args, NULL, NULL, gps_protocol_default }, // List reassigned at runtime
207 { VIK_LAYER_GPS, "gps_port", VIK_LAYER_PARAM_STRING, GROUP_DATA_MODE, N_("Serial Port:"), VIK_LAYER_WIDGET_COMBOBOX, params_ports, NULL, NULL, gps_port_default },
208 { VIK_LAYER_GPS, "gps_download_tracks", VIK_LAYER_PARAM_BOOLEAN, GROUP_DATA_MODE, N_("Download Tracks:"), VIK_LAYER_WIDGET_CHECKBUTTON, NULL, NULL, NULL, vik_lpd_true_default },
209 { VIK_LAYER_GPS, "gps_upload_tracks", VIK_LAYER_PARAM_BOOLEAN, GROUP_DATA_MODE, N_("Upload Tracks:"), VIK_LAYER_WIDGET_CHECKBUTTON, NULL, NULL, NULL, vik_lpd_true_default },
210 { VIK_LAYER_GPS, "gps_download_routes", VIK_LAYER_PARAM_BOOLEAN, GROUP_DATA_MODE, N_("Download Routes:"), VIK_LAYER_WIDGET_CHECKBUTTON, NULL, NULL, NULL, vik_lpd_true_default },
211 { VIK_LAYER_GPS, "gps_upload_routes", VIK_LAYER_PARAM_BOOLEAN, GROUP_DATA_MODE, N_("Upload Routes:"), VIK_LAYER_WIDGET_CHECKBUTTON, NULL, NULL, NULL, vik_lpd_true_default },
212 { VIK_LAYER_GPS, "gps_download_waypoints", VIK_LAYER_PARAM_BOOLEAN, GROUP_DATA_MODE, N_("Download Waypoints:"), VIK_LAYER_WIDGET_CHECKBUTTON, NULL, NULL, NULL, vik_lpd_true_default },
213 { VIK_LAYER_GPS, "gps_upload_waypoints", VIK_LAYER_PARAM_BOOLEAN, GROUP_DATA_MODE, N_("Upload Waypoints:"), VIK_LAYER_WIDGET_CHECKBUTTON, NULL, NULL, NULL, vik_lpd_true_default },
214 #if defined (VIK_CONFIG_REALTIME_GPS_TRACKING) && defined (GPSD_API_MAJOR_VERSION)
215 { VIK_LAYER_GPS, "record_tracking", VIK_LAYER_PARAM_BOOLEAN, GROUP_REALTIME_MODE, N_("Recording tracks"), VIK_LAYER_WIDGET_CHECKBUTTON, NULL, NULL, NULL, vik_lpd_true_default },
216 { VIK_LAYER_GPS, "center_start_tracking", VIK_LAYER_PARAM_BOOLEAN, GROUP_REALTIME_MODE, N_("Jump to current position on start"), VIK_LAYER_WIDGET_CHECKBUTTON, NULL, NULL, NULL, vik_lpd_false_default },
217 { VIK_LAYER_GPS, "moving_map_method", VIK_LAYER_PARAM_UINT, GROUP_REALTIME_MODE, N_("Moving Map Method:"), VIK_LAYER_WIDGET_RADIOGROUP_STATIC, params_vehicle_position, NULL, NULL, moving_map_method_default },
218 { VIK_LAYER_GPS, "gpsd_host", VIK_LAYER_PARAM_STRING, GROUP_REALTIME_MODE, N_("Gpsd Host:"), VIK_LAYER_WIDGET_ENTRY, NULL, NULL, NULL, gpsd_host_default },
219 { VIK_LAYER_GPS, "gpsd_port", VIK_LAYER_PARAM_STRING, GROUP_REALTIME_MODE, N_("Gpsd Port:"), VIK_LAYER_WIDGET_ENTRY, NULL, NULL, NULL, gpsd_port_default },
220 { VIK_LAYER_GPS, "gpsd_retry_interval", VIK_LAYER_PARAM_STRING, GROUP_REALTIME_MODE, N_("Gpsd Retry Interval (seconds):"), VIK_LAYER_WIDGET_ENTRY, NULL, NULL, NULL, gpsd_retry_interval_default },
221 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
224 PARAM_PROTOCOL=0, PARAM_PORT,
225 PARAM_DOWNLOAD_TRACKS, PARAM_UPLOAD_TRACKS,
226 PARAM_DOWNLOAD_ROUTES, PARAM_UPLOAD_ROUTES,
227 PARAM_DOWNLOAD_WAYPOINTS, PARAM_UPLOAD_WAYPOINTS,
228 #if defined (VIK_CONFIG_REALTIME_GPS_TRACKING) && defined (GPSD_API_MAJOR_VERSION)
229 PARAM_REALTIME_REC, PARAM_REALTIME_CENTER_START, PARAM_VEHICLE_POSITION, PARAM_GPSD_HOST, PARAM_GPSD_PORT, PARAM_GPSD_RETRY_INTERVAL,
230 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
233 VikLayerInterface vik_gps_layer_interface = {
245 sizeof(params_groups)/sizeof(params_groups[0]),
249 (VikLayerFuncCreate) vik_gps_layer_create,
250 (VikLayerFuncRealize) vik_gps_layer_realize,
251 (VikLayerFuncPostRead) NULL,
252 (VikLayerFuncFree) vik_gps_layer_free,
254 (VikLayerFuncProperties) NULL,
255 (VikLayerFuncDraw) vik_gps_layer_draw,
256 (VikLayerFuncChangeCoordMode) gps_layer_change_coord_mode,
258 (VikLayerFuncSetMenuItemsSelection) NULL,
259 (VikLayerFuncGetMenuItemsSelection) NULL,
261 (VikLayerFuncAddMenuItems) gps_layer_add_menu_items,
262 (VikLayerFuncSublayerAddMenuItems) NULL,
264 (VikLayerFuncSublayerRenameRequest) NULL,
265 (VikLayerFuncSublayerToggleVisible) NULL,
266 (VikLayerFuncSublayerTooltip) NULL,
267 (VikLayerFuncLayerTooltip) gps_layer_tooltip,
268 (VikLayerFuncLayerSelected) NULL,
270 (VikLayerFuncMarshall) gps_layer_marshall,
271 (VikLayerFuncUnmarshall) gps_layer_unmarshall,
273 (VikLayerFuncSetParam) gps_layer_set_param,
274 (VikLayerFuncGetParam) gps_layer_get_param,
276 (VikLayerFuncReadFileData) NULL,
277 (VikLayerFuncWriteFileData) NULL,
279 (VikLayerFuncDeleteItem) NULL,
280 (VikLayerFuncCutItem) NULL,
281 (VikLayerFuncCopyItem) NULL,
282 (VikLayerFuncPasteItem) NULL,
283 (VikLayerFuncFreeCopiedItem) NULL,
284 (VikLayerFuncDragDropRequest) gps_layer_drag_drop_request,
286 (VikLayerFuncSelectClick) NULL,
287 (VikLayerFuncSelectMove) NULL,
288 (VikLayerFuncSelectRelease) NULL,
289 (VikLayerFuncSelectedViewportMenu) NULL,
292 enum {TRW_DOWNLOAD=0, TRW_UPLOAD,
293 #if defined (VIK_CONFIG_REALTIME_GPS_TRACKING) && defined (GPSD_API_MAJOR_VERSION)
297 static gchar * trw_names[] = {
298 N_("GPS Download"), N_("GPS Upload"),
299 #if defined (VIK_CONFIG_REALTIME_GPS_TRACKING) && defined (GPSD_API_MAJOR_VERSION)
300 N_("GPS Realtime Tracking"),
304 #if defined (VIK_CONFIG_REALTIME_GPS_TRACKING) && defined (GPSD_API_MAJOR_VERSION)
306 struct gps_data_t gpsd;
311 struct gps_fix_t fix;
312 gint satellites_used;
313 gboolean dirty; /* needs to be saved */
315 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
317 struct _VikGpsLayer {
319 VikTrwLayer * trw_children[NUM_TRW];
320 GList * children; /* used only for writing file */
321 int cur_read_child; /* used only for reading file */
322 #if defined (VIK_CONFIG_REALTIME_GPS_TRACKING) && defined (GPSD_API_MAJOR_VERSION)
324 gboolean realtime_tracking; /* set/reset only by the callback */
325 gboolean first_realtime_trackpoint;
329 VikTrack *realtime_track;
331 GIOChannel *realtime_io_channel;
332 guint realtime_io_watch_id;
333 guint realtime_retry_timer;
334 GdkGC *realtime_track_gc;
335 GdkGC *realtime_track_bg_gc;
336 GdkGC *realtime_track_pt_gc;
337 GdkGC *realtime_track_pt1_gc;
338 GdkGC *realtime_track_pt2_gc;
343 gint gpsd_retry_interval;
344 gboolean realtime_record;
345 gboolean realtime_jump_to_start;
346 guint vehicle_position;
347 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
350 gboolean download_tracks;
351 gboolean download_routes;
352 gboolean download_waypoints;
353 gboolean upload_tracks;
354 gboolean upload_routes;
355 gboolean upload_waypoints;
359 * Overwrite the static setup with dynamically generated GPS Babel device list
361 static void gps_layer_inst_init ( VikGpsLayer *self )
364 // +1 for luck (i.e the NULL terminator)
365 gchar **new_protocols = g_malloc(1 + g_list_length(a_babel_device_list)*sizeof(gpointer));
367 GList *gl = g_list_first ( a_babel_device_list );
369 // should be using label property but use name for now
370 // thus don't need to mess around converting label to name later on
371 new_protocols[new_proto++] = ((BabelDevice*)gl->data)->name;
372 gl = g_list_next ( gl );
374 new_protocols[new_proto] = NULL;
376 vik_gps_layer_interface.params[PARAM_PROTOCOL].widget_data = new_protocols;
379 GType vik_gps_layer_get_type ()
381 static GType val_type = 0;
385 static const GTypeInfo val_info =
387 sizeof (VikGpsLayerClass),
388 NULL, /* base_init */
389 NULL, /* base_finalize */
390 NULL, /* class init */
391 NULL, /* class_finalize */
392 NULL, /* class_data */
393 sizeof (VikGpsLayer),
395 (GInstanceInitFunc) gps_layer_inst_init,
397 val_type = g_type_register_static ( VIK_LAYER_TYPE, "VikGpsLayer", &val_info, 0 );
403 static VikGpsLayer *vik_gps_layer_create (VikViewport *vp)
407 VikGpsLayer *rv = vik_gps_layer_new (vp);
408 vik_layer_rename ( VIK_LAYER(rv), vik_gps_layer_interface.name );
410 for (i = 0; i < NUM_TRW; i++) {
411 rv->trw_children[i] = VIK_TRW_LAYER(vik_layer_create ( VIK_LAYER_TRW, vp, NULL, FALSE ));
412 vik_layer_set_menu_items_selection(VIK_LAYER(rv->trw_children[i]), VIK_MENU_ITEM_ALL & ~(VIK_MENU_ITEM_CUT|VIK_MENU_ITEM_DELETE));
417 static const gchar* gps_layer_tooltip ( VikGpsLayer *vgl )
419 return vgl->protocol;
423 static void gps_layer_marshall( VikGpsLayer *vgl, guint8 **data, gint *datalen )
425 VikLayer *child_layer;
428 GByteArray* b = g_byte_array_new ();
432 #define alm_append(obj, sz) \
434 g_byte_array_append ( b, (guint8 *)&len, sizeof(len) ); \
435 g_byte_array_append ( b, (guint8 *)(obj), len );
437 vik_layer_marshall_params(VIK_LAYER(vgl), &ld, &ll);
441 for (i = 0; i < NUM_TRW; i++) {
442 child_layer = VIK_LAYER(vgl->trw_children[i]);
443 vik_layer_marshall(child_layer, &ld, &ll);
451 g_byte_array_free(b, FALSE);
456 static VikGpsLayer *gps_layer_unmarshall( guint8 *data, gint len, VikViewport *vvp )
458 #define alm_size (*(gint *)data)
460 len -= sizeof(gint) + alm_size; \
461 data += sizeof(gint) + alm_size;
463 VikGpsLayer *rv = vik_gps_layer_new(vvp);
464 VikLayer *child_layer;
467 vik_layer_unmarshall_params ( VIK_LAYER(rv), data+sizeof(gint), alm_size, vvp );
471 while (len>0 && i < NUM_TRW) {
472 child_layer = vik_layer_unmarshall ( data + sizeof(gint), alm_size, vvp );
474 rv->trw_children[i++] = (VikTrwLayer *)child_layer;
475 g_signal_connect_swapped ( G_OBJECT(child_layer), "update", G_CALLBACK(vik_layer_emit_update_secondary), rv );
479 // g_print("gps_layer_unmarshall ended with len=%d\n", len);
486 static gboolean gps_layer_set_param ( VikGpsLayer *vgl, guint16 id, VikLayerParamData data, VikViewport *vp, gboolean is_file_operation )
492 g_free(vgl->protocol);
493 // Backwards Compatibility: previous versions <v1.4 stored protocol as an array index
494 int index = data.s[0] - '0';
495 if (data.s[0] != '\0' &&
496 g_ascii_isdigit (data.s[0]) &&
498 index < OLD_NUM_PROTOCOLS)
499 // It is a single digit: activate compatibility
500 vgl->protocol = g_strdup(protocols_args[index]);
502 vgl->protocol = g_strdup(data.s);
503 g_debug("%s: %s", __FUNCTION__, vgl->protocol);
506 g_warning(_("Unknown GPS Protocol"));
510 g_free(vgl->serial_port);
511 // Backwards Compatibility: previous versions <v0.9.91 stored serial_port as an array index
512 int index = data.s[0] - '0';
513 if (data.s[0] != '\0' &&
514 g_ascii_isdigit (data.s[0]) &&
516 index < OLD_NUM_PORTS)
517 /* It is a single digit: activate compatibility */
518 vgl->serial_port = g_strdup(old_params_ports[index]);
520 vgl->serial_port = g_strdup(data.s);
521 g_debug("%s: %s", __FUNCTION__, vgl->serial_port);
524 g_warning(_("Unknown serial port device"));
526 case PARAM_DOWNLOAD_TRACKS:
527 vgl->download_tracks = data.b;
529 case PARAM_UPLOAD_TRACKS:
530 vgl->upload_tracks = data.b;
532 case PARAM_DOWNLOAD_ROUTES:
533 vgl->download_routes = data.b;
535 case PARAM_UPLOAD_ROUTES:
536 vgl->upload_routes = data.b;
538 case PARAM_DOWNLOAD_WAYPOINTS:
539 vgl->download_waypoints = data.b;
541 case PARAM_UPLOAD_WAYPOINTS:
542 vgl->upload_waypoints = data.b;
544 #if defined (VIK_CONFIG_REALTIME_GPS_TRACKING) && defined (GPSD_API_MAJOR_VERSION)
545 case PARAM_GPSD_HOST:
548 g_free(vgl->gpsd_host);
549 vgl->gpsd_host = g_strdup(data.s);
552 case PARAM_GPSD_PORT:
555 g_free(vgl->gpsd_port);
556 vgl->gpsd_port = g_strdup(data.s);
559 case PARAM_GPSD_RETRY_INTERVAL:
560 vgl->gpsd_retry_interval = strtol(data.s, NULL, 10);
562 case PARAM_REALTIME_REC:
563 vgl->realtime_record = data.b;
565 case PARAM_REALTIME_CENTER_START:
566 vgl->realtime_jump_to_start = data.b;
568 case PARAM_VEHICLE_POSITION:
569 vgl->vehicle_position = data.u;
571 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
573 g_warning("gps_layer_set_param(): unknown parameter");
579 static VikLayerParamData gps_layer_get_param ( VikGpsLayer *vgl, guint16 id, gboolean is_file_operation )
581 VikLayerParamData rv;
585 rv.s = vgl->protocol;
586 g_debug("%s: %s", __FUNCTION__, rv.s);
589 rv.s = vgl->serial_port;
590 g_debug("%s: %s", __FUNCTION__, rv.s);
592 case PARAM_DOWNLOAD_TRACKS:
593 rv.b = vgl->download_tracks;
595 case PARAM_UPLOAD_TRACKS:
596 rv.b = vgl->upload_tracks;
598 case PARAM_DOWNLOAD_ROUTES:
599 rv.b = vgl->download_routes;
601 case PARAM_UPLOAD_ROUTES:
602 rv.b = vgl->upload_routes;
604 case PARAM_DOWNLOAD_WAYPOINTS:
605 rv.b = vgl->download_waypoints;
607 case PARAM_UPLOAD_WAYPOINTS:
608 rv.b = vgl->upload_waypoints;
610 #if defined (VIK_CONFIG_REALTIME_GPS_TRACKING) && defined (GPSD_API_MAJOR_VERSION)
611 case PARAM_GPSD_HOST:
612 rv.s = vgl->gpsd_host ? vgl->gpsd_host : "";
614 case PARAM_GPSD_PORT:
615 rv.s = vgl->gpsd_port ? vgl->gpsd_port : g_strdup(DEFAULT_GPSD_PORT);
617 case PARAM_GPSD_RETRY_INTERVAL:
618 rv.s = g_strdup_printf("%d", vgl->gpsd_retry_interval);
620 case PARAM_REALTIME_REC:
621 rv.b = vgl->realtime_record;
623 case PARAM_REALTIME_CENTER_START:
624 rv.b = vgl->realtime_jump_to_start;
626 case PARAM_VEHICLE_POSITION:
627 rv.u = vgl->vehicle_position;
629 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
631 g_warning(_("%s: unknown parameter"), __FUNCTION__);
637 VikGpsLayer *vik_gps_layer_new (VikViewport *vp)
640 VikGpsLayer *vgl = VIK_GPS_LAYER ( g_object_new ( VIK_GPS_LAYER_TYPE, NULL ) );
641 vik_layer_set_type ( VIK_LAYER(vgl), VIK_LAYER_GPS );
642 for (i = 0; i < NUM_TRW; i++) {
643 vgl->trw_children[i] = NULL;
645 vgl->children = NULL;
646 vgl->cur_read_child = 0;
648 #if defined (VIK_CONFIG_REALTIME_GPS_TRACKING) && defined (GPSD_API_MAJOR_VERSION)
649 vgl->first_realtime_trackpoint = FALSE;
651 vgl->realtime_io_channel = NULL;
652 vgl->realtime_io_watch_id = 0;
653 vgl->realtime_retry_timer = 0;
655 vgl->realtime_track_gc = vik_viewport_new_gc ( vp, "#203070", 2 );
656 vgl->realtime_track_bg_gc = vik_viewport_new_gc ( vp, "grey", 2 );
657 vgl->realtime_track_pt1_gc = vik_viewport_new_gc ( vp, "red", 2 );
658 vgl->realtime_track_pt2_gc = vik_viewport_new_gc ( vp, "green", 2 );
659 vgl->realtime_track_pt_gc = vgl->realtime_track_pt1_gc;
661 vgl->realtime_track = NULL;
662 #endif // VIK_CONFIG_REALTIME_GPS_TRACKING
664 vik_layer_set_defaults ( VIK_LAYER(vgl), vp );
669 static void vik_gps_layer_draw ( VikGpsLayer *vgl, VikViewport *vp )
673 VikLayer *trigger = VIK_LAYER(vik_viewport_get_trigger( vp ));
675 for (i = 0; i < NUM_TRW; i++) {
676 vl = VIK_LAYER(vgl->trw_children[i]);
678 if ( vik_viewport_get_half_drawn ( vp ) ) {
679 vik_viewport_set_half_drawn ( vp, FALSE );
680 vik_viewport_snapshot_load( vp );
682 vik_viewport_snapshot_save( vp );
685 if (!vik_viewport_get_half_drawn(vp))
686 vik_layer_draw ( vl, vp );
688 #if defined (VIK_CONFIG_REALTIME_GPS_TRACKING) && defined (GPSD_API_MAJOR_VERSION)
689 if (vgl->realtime_tracking) {
690 if (VIK_LAYER(vgl) == trigger) {
691 if ( vik_viewport_get_half_drawn ( vp ) ) {
692 vik_viewport_set_half_drawn ( vp, FALSE );
693 vik_viewport_snapshot_load( vp );
695 vik_viewport_snapshot_save( vp );
698 if (!vik_viewport_get_half_drawn(vp))
699 realtime_tracking_draw(vgl, vp);
701 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
704 static void gps_layer_change_coord_mode ( VikGpsLayer *vgl, VikCoordMode mode )
707 for (i = 0; i < NUM_TRW; i++) {
708 vik_layer_change_coord_mode(VIK_LAYER(vgl->trw_children[i]), mode);
712 static void gps_layer_add_menu_items( VikGpsLayer *vgl, GtkMenu *menu, gpointer vlp )
714 static gpointer pass_along[2];
719 item = gtk_menu_item_new();
720 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
721 gtk_widget_show ( item );
724 item = gtk_image_menu_item_new_with_mnemonic ( _("_Upload to GPS") );
725 gtk_image_menu_item_set_image ( (GtkImageMenuItem*)item, gtk_image_new_from_stock (GTK_STOCK_GO_UP, GTK_ICON_SIZE_MENU) );
726 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_upload_cb), pass_along );
727 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
728 gtk_widget_show ( item );
730 item = gtk_image_menu_item_new_with_mnemonic ( _("Download from _GPS") );
731 gtk_image_menu_item_set_image ( (GtkImageMenuItem*)item, gtk_image_new_from_stock (GTK_STOCK_GO_DOWN, GTK_ICON_SIZE_MENU) );
732 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_download_cb), pass_along );
733 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
734 gtk_widget_show ( item );
736 #if defined (VIK_CONFIG_REALTIME_GPS_TRACKING) && defined (GPSD_API_MAJOR_VERSION)
737 item = gtk_image_menu_item_new_with_mnemonic ( vgl->realtime_tracking ?
738 "_Stop Realtime Tracking" :
739 "_Start Realtime Tracking" );
740 gtk_image_menu_item_set_image ( (GtkImageMenuItem*)item, vgl->realtime_tracking ?
741 gtk_image_new_from_stock (GTK_STOCK_MEDIA_STOP, GTK_ICON_SIZE_MENU) :
742 gtk_image_new_from_stock (GTK_STOCK_MEDIA_PLAY, GTK_ICON_SIZE_MENU) );
743 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_start_stop_tracking_cb), pass_along );
744 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
745 gtk_widget_show ( item );
747 item = gtk_menu_item_new();
748 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
749 gtk_widget_show ( item );
751 item = gtk_image_menu_item_new_with_mnemonic ( _("Empty _Realtime") );
752 gtk_image_menu_item_set_image ( (GtkImageMenuItem*)item, gtk_image_new_from_stock (GTK_STOCK_REMOVE, GTK_ICON_SIZE_MENU) );
753 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_empty_realtime_cb), pass_along );
754 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
755 gtk_widget_show ( item );
756 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
758 item = gtk_image_menu_item_new_with_mnemonic ( _("E_mpty Upload") );
759 gtk_image_menu_item_set_image ( (GtkImageMenuItem*)item, gtk_image_new_from_stock (GTK_STOCK_REMOVE, GTK_ICON_SIZE_MENU) );
760 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_empty_upload_cb), pass_along );
761 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
762 gtk_widget_show ( item );
764 item = gtk_image_menu_item_new_with_mnemonic ( _("_Empty Download") );
765 gtk_image_menu_item_set_image ( (GtkImageMenuItem*)item, gtk_image_new_from_stock (GTK_STOCK_REMOVE, GTK_ICON_SIZE_MENU) );
766 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_empty_download_cb), pass_along );
767 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
768 gtk_widget_show ( item );
770 item = gtk_image_menu_item_new_with_mnemonic ( _("Empty _All") );
771 gtk_image_menu_item_set_image ( (GtkImageMenuItem*)item, gtk_image_new_from_stock (GTK_STOCK_REMOVE, GTK_ICON_SIZE_MENU) );
772 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_empty_all_cb), pass_along );
773 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
774 gtk_widget_show ( item );
778 static void disconnect_layer_signal ( VikLayer *vl, VikGpsLayer *vgl )
780 guint number_handlers = DISCONNECT_UPDATE_SIGNAL(vl,vgl);
781 if ( number_handlers != 1 ) {
783 NB It's not fatal if this gives 2 for example! Hence removal of the g_assert
784 This happens when copied GPS layer is deleted (not sure why the number_handlers would be 2)
785 I don't think there's any side effects and certainly better than the program just aborting
787 g_warning(_("Unexpected number of disconnected handlers: %d"), number_handlers);
791 static void vik_gps_layer_free ( VikGpsLayer *vgl )
794 for (i = 0; i < NUM_TRW; i++) {
795 if (vgl->vl.realized)
796 disconnect_layer_signal(VIK_LAYER(vgl->trw_children[i]), vgl);
797 g_object_unref(vgl->trw_children[i]);
799 #if defined (VIK_CONFIG_REALTIME_GPS_TRACKING) && defined (GPSD_API_MAJOR_VERSION)
800 rt_gpsd_disconnect(vgl);
801 if (vgl->realtime_track_gc != NULL)
802 g_object_unref(vgl->realtime_track_gc);
803 if (vgl->realtime_track_bg_gc != NULL)
804 g_object_unref(vgl->realtime_track_bg_gc);
805 if (vgl->realtime_track_pt1_gc != NULL)
806 g_object_unref(vgl->realtime_track_pt1_gc);
807 if (vgl->realtime_track_pt2_gc != NULL)
808 g_object_unref(vgl->realtime_track_pt2_gc);
809 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
812 gboolean vik_gps_layer_delete ( VikGpsLayer *vgl, GtkTreeIter *iter )
815 VikLayer *l = VIK_LAYER( vik_treeview_item_get_pointer ( VIK_LAYER(vgl)->vt, iter ) );
816 gboolean was_visible = l->visible;
818 vik_treeview_item_delete ( VIK_LAYER(vgl)->vt, iter );
819 for (i = 0; i < NUM_TRW; i++) {
820 if (VIK_LAYER(vgl->trw_children[i]) == l)
821 vgl->trw_children[i] = NULL;
823 g_assert(DISCONNECT_UPDATE_SIGNAL(l,vgl)==1);
824 g_object_unref ( l );
829 static void vik_gps_layer_realize ( VikGpsLayer *vgl, VikTreeview *vt, GtkTreeIter *layer_iter )
834 // TODO set to garmin by default
835 //if (a_babel_device_list)
836 // device = ((BabelDevice*)g_list_nth_data(a_babel_device_list, last_active))->name;
837 // Need to access uibuild widgets somehow....
839 for (ix = 0; ix < NUM_TRW; ix++) {
840 VikLayer * trw = VIK_LAYER(vgl->trw_children[ix]);
841 vik_treeview_add_layer ( VIK_LAYER(vgl)->vt, layer_iter, &iter,
842 _(trw_names[ix]), vgl, TRUE,
843 trw, trw->type, trw->type );
844 if ( ! trw->visible )
845 vik_treeview_item_set_visible ( VIK_LAYER(vgl)->vt, &iter, FALSE );
846 vik_layer_realize ( trw, VIK_LAYER(vgl)->vt, &iter );
847 g_signal_connect_swapped ( G_OBJECT(trw), "update", G_CALLBACK(vik_layer_emit_update_secondary), vgl );
851 const GList *vik_gps_layer_get_children ( VikGpsLayer *vgl )
855 if (vgl->children == NULL) {
856 for (i = NUM_TRW - 1; i >= 0; i--)
857 vgl->children = g_list_prepend(vgl->children, vgl->trw_children[i]);
859 return vgl->children;
862 VikTrwLayer * vik_gps_layer_get_a_child(VikGpsLayer *vgl)
864 g_assert ((vgl->cur_read_child >= 0) && (vgl->cur_read_child < NUM_TRW));
866 VikTrwLayer * vtl = vgl->trw_children[vgl->cur_read_child];
867 if (++(vgl->cur_read_child) >= NUM_TRW)
868 vgl->cur_read_child = 0;
872 gboolean vik_gps_layer_is_empty ( VikGpsLayer *vgl )
874 if ( vgl->trw_children[0] )
879 static void gps_layer_drag_drop_request ( VikGpsLayer *val_src, VikGpsLayer *val_dest, GtkTreeIter *src_item_iter, GtkTreePath *dest_path )
881 VikTreeview *vt = VIK_LAYER(val_src)->vt;
882 VikLayer *vl = vik_treeview_item_get_pointer(vt, src_item_iter);
885 dp = gtk_tree_path_to_string(dest_path);
887 /* vik_gps_layer_delete unrefs, but we don't want that here.
888 * we're still using the layer. */
890 vik_gps_layer_delete(val_src, src_item_iter);
895 static void gps_session_delete(GpsSession *sess)
898 g_mutex_free(sess->mutex);
899 g_free(sess->cmd_args);
905 static void set_total_count(gint cnt, GpsSession *sess)
909 g_mutex_lock(sess->mutex);
911 const gchar *tmp_str;
912 if (sess->direction == GPS_DOWN)
914 switch (sess->progress_type) {
915 case WPT: tmp_str = ngettext("Downloading %d waypoint...", "Downloading %d waypoints...", cnt); sess->total_count = cnt; break;
916 case TRK: tmp_str = ngettext("Downloading %d trackpoint...", "Downloading %d trackpoints...", cnt); sess->total_count = cnt; break;
919 // Maybe a gpsbabel bug/feature (upto at least v1.4.3 or maybe my Garmin device) but the count always seems x2 too many for routepoints
920 gint mycnt = (cnt / 2) + 1;
921 tmp_str = ngettext("Downloading %d routepoint...", "Downloading %d routepoints...", mycnt); break;
922 sess->total_count = mycnt;
928 switch (sess->progress_type) {
929 case WPT: tmp_str = ngettext("Uploading %d waypoint...", "Uploading %d waypoints...", cnt); break;
930 case TRK: tmp_str = ngettext("Uploading %d trackpoint...", "Uploading %d trackpoints...", cnt); break;
931 default: tmp_str = ngettext("Uploading %d routepoint...", "Uploading %d routepoints...", cnt); break;
935 g_snprintf(s, 128, tmp_str, cnt);
936 gtk_label_set_text ( GTK_LABEL(sess->progress_label), s );
937 gtk_widget_show ( sess->progress_label );
938 sess->total_count = cnt;
940 g_mutex_unlock(sess->mutex);
944 static void set_current_count(gint cnt, GpsSession *sess)
947 const gchar *tmp_str;
950 g_mutex_lock(sess->mutex);
952 if (cnt < sess->total_count) {
953 if (sess->direction == GPS_DOWN)
955 switch (sess->progress_type) {
956 case WPT: tmp_str = ngettext("Downloaded %d out of %d waypoint...", "Downloaded %d out of %d waypoints...", sess->total_count); break;
957 case TRK: tmp_str = ngettext("Downloaded %d out of %d trackpoint...", "Downloaded %d out of %d trackpoints...", sess->total_count); break;
958 default: tmp_str = ngettext("Downloaded %d out of %d routepoint...", "Downloaded %d out of %d routepoints...", sess->total_count); break;
962 switch (sess->progress_type) {
963 case WPT: tmp_str = ngettext("Uploaded %d out of %d waypoint...", "Uploaded %d out of %d waypoints...", sess->total_count); break;
964 case TRK: tmp_str = ngettext("Uploaded %d out of %d trackpoint...", "Uploaded %d out of %d trackpoints...", sess->total_count); break;
965 default: tmp_str = ngettext("Uploaded %d out of %d routepoint...", "Uploaded %d out of %d routepoints...", sess->total_count); break;
968 g_snprintf(s, 128, tmp_str, cnt, sess->total_count);
970 if (sess->direction == GPS_DOWN)
972 switch (sess->progress_type) {
973 case WPT: tmp_str = ngettext("Downloaded %d waypoint", "Downloaded %d waypoints", cnt); break;
974 case TRK: tmp_str = ngettext("Downloaded %d trackpoint", "Downloaded %d trackpoints", cnt); break;
975 default: tmp_str = ngettext("Downloaded %d routepoint", "Downloaded %d routepoints", cnt); break;
979 switch (sess->progress_type) {
980 case WPT: tmp_str = ngettext("Uploaded %d waypoint", "Uploaded %d waypoints", cnt); break;
981 case TRK: tmp_str = ngettext("Uploaded %d trackpoint", "Uploaded %d trackpoints", cnt); break;
982 default: tmp_str = ngettext("Uploaded %d routepoint", "Uploaded %d routepoints", cnt); break;
985 g_snprintf(s, 128, tmp_str, cnt);
987 gtk_label_set_text ( GTK_LABEL(sess->progress_label), s );
989 g_mutex_unlock(sess->mutex);
993 static void set_gps_info(const gchar *info, GpsSession *sess)
997 g_mutex_lock(sess->mutex);
999 g_snprintf(s, 256, _("GPS Device: %s"), info);
1000 gtk_label_set_text ( GTK_LABEL(sess->gps_label), s );
1002 g_mutex_unlock(sess->mutex);
1003 gdk_threads_leave();
1007 * Common processing for GPS Device information
1008 * It doesn't matter whether we're uploading or downloading
1010 static void process_line_for_gps_info ( const gchar *line, GpsSession *sess )
1012 if (strstr(line, "PRDDAT")) {
1013 gchar **tokens = g_strsplit(line, " ", 0);
1019 while (tokens[n_tokens])
1022 // I'm not entirely clear what information this is trying to get...
1023 // Obviously trying to decipher some kind of text/naming scheme
1024 // Anyway this will be superceded if there is 'Unit:' information
1026 for (i=8; tokens[i] && ilen < sizeof(info)-2 && strcmp(tokens[i], "00"); i++) {
1028 sscanf(tokens[i], "%x", &ch);
1032 set_gps_info(info, sess);
1037 /* eg: "Unit:\teTrex Legend HCx Software Version 2.90\n" */
1038 if (strstr(line, "Unit:")) {
1039 gchar **tokens = g_strsplit(line, "\t", 0);
1041 while (tokens[n_tokens])
1045 set_gps_info(tokens[1], sess);
1051 static void gps_download_progress_func(BabelProgressCode c, gpointer data, GpsSession * sess )
1055 gdk_threads_enter ();
1056 g_mutex_lock(sess->mutex);
1058 g_mutex_unlock(sess->mutex);
1059 gps_session_delete(sess);
1060 gdk_threads_leave();
1061 g_thread_exit ( NULL );
1063 g_mutex_unlock(sess->mutex);
1064 gdk_threads_leave ();
1067 case BABEL_DIAG_OUTPUT:
1068 line = (gchar *)data;
1070 gdk_threads_enter();
1071 g_mutex_lock(sess->mutex);
1073 gtk_label_set_text ( GTK_LABEL(sess->status_label), _("Status: Working...") );
1075 g_mutex_unlock(sess->mutex);
1076 gdk_threads_leave();
1078 /* tells us the type of items that will follow */
1079 if (strstr(line, "Xfer Wpt")) {
1080 sess->progress_label = sess->wp_label;
1081 sess->progress_type = WPT;
1083 if (strstr(line, "Xfer Trk")) {
1084 sess->progress_label = sess->trk_label;
1085 sess->progress_type = TRK;
1087 if (strstr(line, "Xfer Rte")) {
1088 sess->progress_label = sess->rte_label;
1089 sess->progress_type = RTE;
1092 process_line_for_gps_info ( line, sess );
1094 if (strstr(line, "RECORD")) {
1097 if (strlen(line) > 20) {
1098 sscanf(line+17, "%x", &lsb);
1099 sscanf(line+20, "%x", &msb);
1100 cnt = lsb + msb * 256;
1101 set_total_count(cnt, sess);
1105 if ( strstr(line, "WPTDAT") || strstr(line, "TRKHDR") || strstr(line, "TRKDAT") || strstr(line, "RTEHDR") || strstr(line, "RTEWPT") ) {
1107 set_current_count(sess->count, sess);
1118 static void gps_upload_progress_func(BabelProgressCode c, gpointer data, GpsSession * sess )
1123 gdk_threads_enter ();
1124 g_mutex_lock(sess->mutex);
1126 g_mutex_unlock(sess->mutex);
1127 gps_session_delete(sess);
1128 gdk_threads_leave();
1129 g_thread_exit ( NULL );
1131 g_mutex_unlock(sess->mutex);
1132 gdk_threads_leave ();
1135 case BABEL_DIAG_OUTPUT:
1136 line = (gchar *)data;
1138 gdk_threads_enter();
1139 g_mutex_lock(sess->mutex);
1141 gtk_label_set_text ( GTK_LABEL(sess->status_label), _("Status: Working...") );
1143 g_mutex_unlock(sess->mutex);
1144 gdk_threads_leave();
1146 process_line_for_gps_info ( line, sess );
1148 if (strstr(line, "RECORD")) {
1151 if (strlen(line) > 20) {
1152 sscanf(line+17, "%x", &lsb);
1153 sscanf(line+20, "%x", &msb);
1154 cnt = lsb + msb * 256;
1155 /* set_total_count(cnt, sess); */
1159 if ( strstr(line, "WPTDAT")) {
1160 if (sess->count == 0) {
1161 sess->progress_label = sess->wp_label;
1162 sess->progress_type = WPT;
1163 set_total_count(cnt, sess);
1166 set_current_count(sess->count, sess);
1168 if ( strstr(line, "RTEHDR") || strstr(line, "RTEWPT") ) {
1169 if (sess->count == 0) {
1170 sess->progress_label = sess->rte_label;
1171 sess->progress_type = RTE;
1172 // Maybe a gpsbabel bug/feature (upto at least v1.4.3 or maybe my Garmin device) but the count always seems x2 too many for routepoints
1173 // Anyway since we're uploading - we should know how many points we're going to put!
1174 cnt = (cnt / 2) + 1;
1175 set_total_count(cnt, sess);
1178 set_current_count(sess->count, sess);
1180 if ( strstr(line, "TRKHDR") || strstr(line, "TRKDAT") ) {
1181 if (sess->count == 0) {
1182 sess->progress_label = sess->trk_label;
1183 sess->progress_type = TRK;
1184 set_total_count(cnt, sess);
1187 set_current_count(sess->count, sess);
1198 static void gps_comm_thread(GpsSession *sess)
1202 if (sess->direction == GPS_DOWN)
1203 result = a_babel_convert_from (sess->vtl, sess->cmd_args, sess->port,
1204 (BabelStatusFunc) gps_download_progress_func, sess, NULL);
1206 result = a_babel_convert_to (sess->vtl, sess->track, sess->cmd_args, sess->port,
1207 (BabelStatusFunc) gps_upload_progress_func, sess);
1211 gtk_label_set_text ( GTK_LABEL(sess->status_label), _("Error: couldn't find gpsbabel.") );
1214 g_mutex_lock(sess->mutex);
1216 gtk_label_set_text ( GTK_LABEL(sess->status_label), _("Done.") );
1217 gtk_dialog_set_response_sensitive ( GTK_DIALOG(sess->dialog), GTK_RESPONSE_ACCEPT, TRUE );
1218 gtk_dialog_set_response_sensitive ( GTK_DIALOG(sess->dialog), GTK_RESPONSE_REJECT, FALSE );
1220 /* Do not change the view if we are following the current GPS position */
1221 #if defined (VIK_CONFIG_REALTIME_GPS_TRACKING) && defined (GPSD_API_MAJOR_VERSION)
1222 if (!sess->realtime_tracking)
1225 if ( sess->vvp && sess->direction == GPS_DOWN ) {
1226 /* View the data available */
1227 vik_trw_layer_auto_set_view ( sess->vtl, sess->vvp) ;
1228 vik_layer_emit_update ( VIK_LAYER(sess->vtl) ); // NB update from background thread
1234 g_mutex_unlock(sess->mutex);
1237 g_mutex_lock(sess->mutex);
1240 g_mutex_unlock(sess->mutex);
1243 g_mutex_unlock(sess->mutex);
1244 gps_session_delete(sess);
1246 g_thread_exit(NULL);
1251 * @vtl: The TrackWaypoint layer to operate on
1252 * @track: Operate on a particular track when specified
1253 * @dir: The direction of the transfer
1254 * @protocol: The GPS device communication protocol
1255 * @port: The GPS serial port
1256 * @tracking: If tracking then viewport display update will be skipped
1257 * @vvp: A viewport is required as the display may get updated
1258 * @vlp: A layers panel is needed for uploading as the items maybe modified
1259 * @do_tracks: Whether tracks shoud be processed
1260 * @do_waypoints: Whether waypoints shoud be processed
1261 * @turn_off: Whether we should attempt to turn off the GPS device after the transfer (only some devices support this)
1263 * Talk to a GPS Device using a thread which updates a dialog with the progress
1265 gint vik_gps_comm ( VikTrwLayer *vtl,
1272 VikLayersPanel *vlp,
1275 gboolean do_waypoints,
1278 GpsSession *sess = g_malloc(sizeof(GpsSession));
1279 char *tracks = NULL;
1280 char *routes = NULL;
1281 char *waypoints = NULL;
1283 sess->mutex = g_mutex_new();
1284 sess->direction = dir;
1286 sess->track = track;
1287 sess->port = g_strdup(port);
1289 sess->window_title = (dir == GPS_DOWN) ? _("GPS Download") : _("GPS Upload");
1292 // This must be done inside the main thread as the uniquify causes screen updates
1293 // (originally performed this nearer the point of upload in the thread)
1294 if ( dir == GPS_UP ) {
1295 // Enforce unique names in the layer upload to the GPS device
1296 // NB this may only be a Garmin device restriction (and may be not every Garmin device either...)
1297 // Thus this maintains the older code in built restriction
1298 if ( ! vik_trw_layer_uniquify ( sess->vtl, vlp ) )
1299 vik_statusbar_set_message ( vik_window_get_statusbar (VIK_WINDOW(VIK_GTK_WINDOW_FROM_LAYER(sess->vtl))), VIK_STATUSBAR_INFO,
1300 _("Warning - GPS Upload items may overwrite each other") );
1303 #if defined (VIK_CONFIG_REALTIME_GPS_TRACKING) && defined (GPSD_API_MAJOR_VERSION)
1304 sess->realtime_tracking = tracking;
1320 sess->cmd_args = g_strdup_printf("-D 9 %s %s %s -%c %s",
1321 tracks, routes, waypoints, (dir == GPS_DOWN) ? 'i' : 'o', protocol);
1325 // Only create dialog if we're going to do some transferring
1326 if ( do_tracks || do_waypoints || do_routes ) {
1327 sess->dialog = gtk_dialog_new_with_buttons ( "", VIK_GTK_WINDOW_FROM_LAYER(vtl), 0, GTK_STOCK_OK, GTK_RESPONSE_ACCEPT, GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT, NULL );
1328 gtk_dialog_set_response_sensitive ( GTK_DIALOG(sess->dialog),
1329 GTK_RESPONSE_ACCEPT, FALSE );
1330 gtk_window_set_title ( GTK_WINDOW(sess->dialog), sess->window_title );
1332 sess->status_label = gtk_label_new (_("Status: detecting gpsbabel"));
1333 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(sess->dialog)->vbox), sess->status_label, FALSE, FALSE, 5 );
1334 gtk_widget_show_all(sess->status_label);
1336 sess->gps_label = gtk_label_new (_("GPS device: N/A"));
1337 sess->ver_label = gtk_label_new ("");
1338 sess->id_label = gtk_label_new ("");
1339 sess->wp_label = gtk_label_new ("");
1340 sess->trk_label = gtk_label_new ("");
1341 sess->rte_label = gtk_label_new ("");
1343 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(sess->dialog)->vbox), sess->gps_label, FALSE, FALSE, 5 );
1344 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(sess->dialog)->vbox), sess->wp_label, FALSE, FALSE, 5 );
1345 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(sess->dialog)->vbox), sess->trk_label, FALSE, FALSE, 5 );
1346 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(sess->dialog)->vbox), sess->rte_label, FALSE, FALSE, 5 );
1348 gtk_widget_show_all(sess->dialog);
1350 sess->progress_label = sess->wp_label;
1351 sess->total_count = -1;
1353 // Starting gps read/write thread
1354 g_thread_create((GThreadFunc)gps_comm_thread, sess, FALSE, NULL );
1356 gtk_dialog_set_default_response ( GTK_DIALOG(sess->dialog), GTK_RESPONSE_ACCEPT );
1357 gtk_dialog_run(GTK_DIALOG(sess->dialog));
1359 gtk_widget_destroy(sess->dialog);
1363 a_dialog_info_msg ( VIK_GTK_WINDOW_FROM_LAYER(vtl), _("No GPS items selected for transfer.") );
1366 g_mutex_lock(sess->mutex);
1369 sess->ok = FALSE; /* tell thread to stop */
1370 g_mutex_unlock(sess->mutex);
1374 // No need for thread for powering off device (should be quick operation...) - so use babel command directly:
1375 gchar *device_off = g_strdup_printf("-i %s,%s", protocol, "power_off");
1376 gboolean result = a_babel_convert_from (NULL, (const char*)device_off, (const char*)port, NULL, NULL, NULL);
1378 a_dialog_error_msg ( VIK_GTK_WINDOW_FROM_LAYER(vtl), _("Could not turn off device.") );
1379 g_free ( device_off );
1381 g_mutex_unlock(sess->mutex);
1382 gps_session_delete(sess);
1388 static void gps_upload_cb( gpointer layer_and_vlp[2] )
1390 VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
1391 VikLayersPanel *vlp = VIK_LAYERS_PANEL(layer_and_vlp[1]);
1392 VikTrwLayer *vtl = vgl->trw_children[TRW_UPLOAD];
1393 VikWindow *vw = VIK_WINDOW(VIK_GTK_WINDOW_FROM_LAYER(vgl));
1394 VikViewport *vvp = vik_window_viewport(vw);
1395 vik_gps_comm(vtl, NULL, GPS_UP, vgl->protocol, vgl->serial_port, FALSE, vvp, vlp, vgl->upload_tracks, vgl->upload_routes, vgl->upload_waypoints, FALSE);
1398 static void gps_download_cb( gpointer layer_and_vlp[2] )
1400 VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
1401 VikTrwLayer *vtl = vgl->trw_children[TRW_DOWNLOAD];
1402 VikWindow *vw = VIK_WINDOW(VIK_GTK_WINDOW_FROM_LAYER(vgl));
1403 VikViewport *vvp = vik_window_viewport(vw);
1404 #if defined (VIK_CONFIG_REALTIME_GPS_TRACKING) && defined (GPSD_API_MAJOR_VERSION)
1405 vik_gps_comm(vtl, NULL, GPS_DOWN, vgl->protocol, vgl->serial_port, vgl->realtime_tracking, vvp, NULL, vgl->download_tracks, vgl->download_routes, vgl->download_waypoints, FALSE);
1407 vik_gps_comm(vtl, NULL, GPS_DOWN, vgl->protocol, vgl->serial_port, FALSE, vvp, NULL, vgl->download_tracks, vgl->download_routes, vgl->download_waypoints, FALSE);
1411 static void gps_empty_upload_cb( gpointer layer_and_vlp[2] )
1413 VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
1414 // Get confirmation from the user
1415 if ( ! a_dialog_yes_or_no ( VIK_GTK_WINDOW_FROM_WIDGET(layer_and_vlp[1]),
1416 _("Are you sure you want to delete GPS Upload data?"),
1419 vik_trw_layer_delete_all_waypoints ( vgl-> trw_children[TRW_UPLOAD]);
1420 vik_trw_layer_delete_all_tracks ( vgl-> trw_children[TRW_UPLOAD]);
1421 vik_trw_layer_delete_all_routes ( vgl-> trw_children[TRW_UPLOAD]);
1424 static void gps_empty_download_cb( gpointer layer_and_vlp[2] )
1426 VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
1427 // Get confirmation from the user
1428 if ( ! a_dialog_yes_or_no ( VIK_GTK_WINDOW_FROM_WIDGET(layer_and_vlp[1]),
1429 _("Are you sure you want to delete GPS Download data?"),
1432 vik_trw_layer_delete_all_waypoints ( vgl-> trw_children[TRW_DOWNLOAD]);
1433 vik_trw_layer_delete_all_tracks ( vgl-> trw_children[TRW_DOWNLOAD]);
1434 vik_trw_layer_delete_all_routes ( vgl-> trw_children[TRW_DOWNLOAD]);
1437 #if defined (VIK_CONFIG_REALTIME_GPS_TRACKING) && defined (GPSD_API_MAJOR_VERSION)
1438 static void gps_empty_realtime_cb( gpointer layer_and_vlp[2] )
1440 VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
1441 // Get confirmation from the user
1442 if ( ! a_dialog_yes_or_no ( VIK_GTK_WINDOW_FROM_WIDGET(layer_and_vlp[1]),
1443 _("Are you sure you want to delete GPS Realtime data?"),
1446 vik_trw_layer_delete_all_waypoints ( vgl-> trw_children[TRW_REALTIME]);
1447 vik_trw_layer_delete_all_tracks ( vgl-> trw_children[TRW_REALTIME]);
1451 static void gps_empty_all_cb( gpointer layer_and_vlp[2] )
1453 VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
1454 // Get confirmation from the user
1455 if ( ! a_dialog_yes_or_no ( VIK_GTK_WINDOW_FROM_WIDGET(layer_and_vlp[1]),
1456 _("Are you sure you want to delete All GPS data?"),
1459 vik_trw_layer_delete_all_waypoints ( vgl-> trw_children[TRW_UPLOAD]);
1460 vik_trw_layer_delete_all_tracks ( vgl-> trw_children[TRW_UPLOAD]);
1461 vik_trw_layer_delete_all_routes ( vgl-> trw_children[TRW_UPLOAD]);
1462 vik_trw_layer_delete_all_waypoints ( vgl-> trw_children[TRW_DOWNLOAD]);
1463 vik_trw_layer_delete_all_tracks ( vgl-> trw_children[TRW_DOWNLOAD]);
1464 vik_trw_layer_delete_all_routes ( vgl-> trw_children[TRW_DOWNLOAD]);
1465 #if defined (VIK_CONFIG_REALTIME_GPS_TRACKING) && defined (GPSD_API_MAJOR_VERSION)
1466 vik_trw_layer_delete_all_waypoints ( vgl-> trw_children[TRW_REALTIME]);
1467 vik_trw_layer_delete_all_tracks ( vgl-> trw_children[TRW_REALTIME]);
1471 #if defined (VIK_CONFIG_REALTIME_GPS_TRACKING) && defined (GPSD_API_MAJOR_VERSION)
1472 static void realtime_tracking_draw(VikGpsLayer *vgl, VikViewport *vp)
1476 struct LatLon lnw, lse;
1477 vik_viewport_screen_to_coord ( vp, -20, -20, &nw );
1478 vik_viewport_screen_to_coord ( vp, vik_viewport_get_width(vp)+20, vik_viewport_get_width(vp)+20, &se );
1479 vik_coord_to_latlon ( &nw, &lnw );
1480 vik_coord_to_latlon ( &se, &lse );
1481 if ( vgl->realtime_fix.fix.latitude > lse.lat &&
1482 vgl->realtime_fix.fix.latitude < lnw.lat &&
1483 vgl->realtime_fix.fix.longitude > lnw.lon &&
1484 vgl->realtime_fix.fix.longitude < lse.lon ) {
1487 gint half_back_x, half_back_y;
1488 gint half_back_bg_x, half_back_bg_y;
1491 gint side1_x, side1_y, side2_x, side2_y;
1492 gint side1bg_x, side1bg_y, side2bg_x, side2bg_y;
1494 ll.lat = vgl->realtime_fix.fix.latitude;
1495 ll.lon = vgl->realtime_fix.fix.longitude;
1496 vik_coord_load_from_latlon ( &gps, vik_viewport_get_coord_mode(vp), &ll);
1497 vik_viewport_coord_to_screen ( vp, &gps, &x, &y );
1499 gdouble heading_cos = cos(DEG2RAD(vgl->realtime_fix.fix.track));
1500 gdouble heading_sin = sin(DEG2RAD(vgl->realtime_fix.fix.track));
1502 half_back_y = y+8*heading_cos;
1503 half_back_x = x-8*heading_sin;
1504 half_back_bg_y = y+10*heading_cos;
1505 half_back_bg_x = x-10*heading_sin;
1507 pt_y = half_back_y-24*heading_cos;
1508 pt_x = half_back_x+24*heading_sin;
1509 //ptbg_y = half_back_bg_y-28*heading_cos;
1510 ptbg_x = half_back_bg_x+28*heading_sin;
1512 side1_y = half_back_y+9*heading_sin;
1513 side1_x = half_back_x+9*heading_cos;
1514 side1bg_y = half_back_bg_y+11*heading_sin;
1515 side1bg_x = half_back_bg_x+11*heading_cos;
1517 side2_y = half_back_y-9*heading_sin;
1518 side2_x = half_back_x-9*heading_cos;
1519 side2bg_y = half_back_bg_y-11*heading_sin;
1520 side2bg_x = half_back_bg_x-11*heading_cos;
1522 GdkPoint trian[3] = { { pt_x, pt_y }, {side1_x, side1_y}, {side2_x, side2_y} };
1523 GdkPoint trian_bg[3] = { { ptbg_x, pt_y }, {side1bg_x, side1bg_y}, {side2bg_x, side2bg_y} };
1525 vik_viewport_draw_polygon ( vp, vgl->realtime_track_bg_gc, TRUE, trian_bg, 3 );
1526 vik_viewport_draw_polygon ( vp, vgl->realtime_track_gc, TRUE, trian, 3 );
1527 vik_viewport_draw_rectangle ( vp,
1528 (vgl->realtime_fix.fix.mode > MODE_2D) ? vgl->realtime_track_pt2_gc : vgl->realtime_track_pt1_gc,
1529 TRUE, x-2, y-2, 4, 4 );
1530 //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;
1534 static void create_realtime_trackpoint(VikGpsLayer *vgl, gboolean forced)
1539 /* Note that fix.time is a double, but it should not affect the precision
1541 time_t cur_timestamp = vgl->realtime_fix.fix.time;
1542 time_t last_timestamp = vgl->last_fix.fix.time;
1544 if (cur_timestamp < last_timestamp) {
1548 if (vgl->realtime_record && vgl->realtime_fix.dirty) {
1549 gboolean replace = FALSE;
1550 int heading = (int)floor(vgl->realtime_fix.fix.track);
1551 int last_heading = (int)floor(vgl->last_fix.fix.track);
1552 int alt = isnan(vgl->realtime_fix.fix.altitude) ? VIK_DEFAULT_ALTITUDE : floor(vgl->realtime_fix.fix.altitude);
1553 int last_alt = isnan(vgl->last_fix.fix.altitude) ? VIK_DEFAULT_ALTITUDE : floor(vgl->last_fix.fix.altitude);
1554 if (((last_tp = g_list_last(vgl->realtime_track->trackpoints)) != NULL) &&
1555 (vgl->realtime_fix.fix.mode > MODE_2D) &&
1556 (vgl->last_fix.fix.mode <= MODE_2D) &&
1557 ((cur_timestamp - last_timestamp) < 2)) {
1558 g_free(last_tp->data);
1559 vgl->realtime_track->trackpoints = g_list_delete_link(vgl->realtime_track->trackpoints, last_tp);
1563 ((cur_timestamp != last_timestamp) &&
1565 ((heading < last_heading) && (heading < (last_heading - 3))) ||
1566 ((heading > last_heading) && (heading > (last_heading + 3))) ||
1567 ((alt != VIK_DEFAULT_ALTITUDE) && (alt != last_alt)))))) {
1568 /* TODO: check for new segments */
1569 VikTrackpoint *tp = vik_trackpoint_new();
1570 tp->newsegment = FALSE;
1571 tp->has_timestamp = TRUE;
1572 tp->timestamp = vgl->realtime_fix.fix.time;
1574 /* speed only available for 3D fix. Check for NAN when use this speed */
1575 tp->speed = vgl->realtime_fix.fix.speed;
1576 tp->course = vgl->realtime_fix.fix.track;
1577 tp->nsats = vgl->realtime_fix.satellites_used;
1578 tp->fix_mode = vgl->realtime_fix.fix.mode;
1580 ll.lat = vgl->realtime_fix.fix.latitude;
1581 ll.lon = vgl->realtime_fix.fix.longitude;
1582 vik_coord_load_from_latlon(&tp->coord,
1583 vik_trw_layer_get_coord_mode(vgl->trw_children[TRW_REALTIME]), &ll);
1585 vgl->realtime_track->trackpoints = g_list_append(vgl->realtime_track->trackpoints, tp);
1586 vgl->realtime_fix.dirty = FALSE;
1587 vgl->realtime_fix.satellites_used = 0;
1588 vgl->last_fix = vgl->realtime_fix;
1594 static void gpsd_raw_hook(VglGpsd *vgpsd, gchar *data)
1596 gboolean update_all = FALSE;
1597 VikGpsLayer *vgl = vgpsd->vgl;
1599 if (!vgl->realtime_tracking) {
1600 g_warning("%s: receiving GPS data while not in realtime mode", __PRETTY_FUNCTION__);
1604 if ((vgpsd->gpsd.fix.mode >= MODE_2D) &&
1605 !isnan(vgpsd->gpsd.fix.latitude) &&
1606 !isnan(vgpsd->gpsd.fix.longitude) &&
1607 !isnan(vgpsd->gpsd.fix.track)) {
1609 VikWindow *vw = VIK_WINDOW(VIK_GTK_WINDOW_FROM_LAYER(vgl));
1610 VikViewport *vvp = vik_window_viewport(vw);
1611 vgl->realtime_fix.fix = vgpsd->gpsd.fix;
1612 vgl->realtime_fix.satellites_used = vgpsd->gpsd.satellites_used;
1613 vgl->realtime_fix.dirty = TRUE;
1616 VikCoord vehicle_coord;
1618 ll.lat = vgl->realtime_fix.fix.latitude;
1619 ll.lon = vgl->realtime_fix.fix.longitude;
1620 vik_coord_load_from_latlon(&vehicle_coord,
1621 vik_trw_layer_get_coord_mode(vgl->trw_children[TRW_REALTIME]), &ll);
1623 if ((vgl->vehicle_position == VEHICLE_POSITION_CENTERED) ||
1624 (vgl->realtime_jump_to_start && vgl->first_realtime_trackpoint)) {
1625 vik_viewport_set_center_coord(vvp, &vehicle_coord);
1628 else if (vgl->vehicle_position == VEHICLE_POSITION_ON_SCREEN) {
1631 const int px = 20; /* adjust ment in pixels to make sure vehicle is inside the box */
1632 gint width = vik_viewport_get_width(vvp);
1633 gint height = vik_viewport_get_height(vvp);
1636 vik_viewport_coord_to_screen(vvp, &vehicle_coord, &vx, &vy);
1638 if (vx < (width/hdiv))
1639 vik_viewport_set_center_screen(vvp, vx - width/2 + width/hdiv + px, vy);
1640 else if (vx > (width - width/hdiv))
1641 vik_viewport_set_center_screen(vvp, vx + width/2 - width/hdiv - px, vy);
1642 else if (vy < (height/vdiv))
1643 vik_viewport_set_center_screen(vvp, vx, vy - height/2 + height/vdiv + px);
1644 else if (vy > (height - height/vdiv))
1645 vik_viewport_set_center_screen(vvp, vx, vy + height/2 - height/vdiv - px);
1650 vgl->first_realtime_trackpoint = FALSE;
1651 create_realtime_trackpoint(vgl, FALSE);
1653 vik_layer_emit_update ( update_all ? VIK_LAYER(vgl) : VIK_LAYER(vgl->trw_children[TRW_REALTIME]) ); // NB update from background thread
1657 static gboolean gpsd_data_available(GIOChannel *source, GIOCondition condition, gpointer data)
1659 VikGpsLayer *vgl = data;
1660 if (condition == G_IO_IN) {
1661 #if GPSD_API_MAJOR_VERSION == 3 || GPSD_API_MAJOR_VERSION == 4
1662 if (!gps_poll(&vgl->vgpsd->gpsd)) {
1663 #elif GPSD_API_MAJOR_VERSION == 5
1664 if (gps_read(&vgl->vgpsd->gpsd) > -1) {
1665 // Reuse old function to perform operations on the new GPS data
1666 gpsd_raw_hook(vgl->vgpsd, NULL);
1673 g_warning("Disconnected from gpsd. Trying to reconnect");
1674 rt_gpsd_disconnect(vgl);
1675 rt_gpsd_connect(vgl, FALSE);
1678 return FALSE; /* no further calling */
1681 static gchar *make_track_name(VikTrwLayer *vtl)
1683 const gchar basename[] = "REALTIME";
1684 const gint bufsize = sizeof(basename) + 5;
1685 gchar *name = g_malloc(bufsize);
1686 strcpy(name, basename);
1689 while (vik_trw_layer_get_track(vtl, name) != NULL) {
1690 g_snprintf(name, bufsize, "%s#%d", basename, i);
1697 static gboolean rt_gpsd_try_connect(gpointer *data)
1699 VikGpsLayer *vgl = (VikGpsLayer *)data;
1700 #if GPSD_API_MAJOR_VERSION == 3
1701 struct gps_data_t *gpsd = gps_open(vgl->gpsd_host, vgl->gpsd_port);
1704 #elif GPSD_API_MAJOR_VERSION == 4
1705 vgl->vgpsd = g_malloc(sizeof(VglGpsd));
1707 if (gps_open_r(vgl->gpsd_host, vgl->gpsd_port, /*(struct gps_data_t *)*/vgl->vgpsd) != 0) {
1708 #elif GPSD_API_MAJOR_VERSION == 5
1709 vgl->vgpsd = g_malloc(sizeof(VglGpsd));
1710 if (gps_open(vgl->gpsd_host, vgl->gpsd_port, &vgl->vgpsd->gpsd) != 0) {
1712 // Delibrately break compilation...
1714 g_warning("Failed to connect to gpsd at %s (port %s). Will retry in %d seconds",
1715 vgl->gpsd_host, vgl->gpsd_port, vgl->gpsd_retry_interval);
1716 return TRUE; /* keep timer running */
1719 #if GPSD_API_MAJOR_VERSION == 3
1720 vgl->vgpsd = realloc(gpsd, sizeof(VglGpsd));
1722 vgl->vgpsd->vgl = vgl;
1724 vgl->realtime_fix.dirty = vgl->last_fix.dirty = FALSE;
1725 /* track alt/time graph uses VIK_DEFAULT_ALTITUDE (0.0) as invalid */
1726 vgl->realtime_fix.fix.altitude = vgl->last_fix.fix.altitude = VIK_DEFAULT_ALTITUDE;
1727 vgl->realtime_fix.fix.speed = vgl->last_fix.fix.speed = NAN;
1729 if (vgl->realtime_record) {
1730 VikTrwLayer *vtl = vgl->trw_children[TRW_REALTIME];
1731 vgl->realtime_track = vik_track_new();
1732 vgl->realtime_track->visible = TRUE;
1733 vik_trw_layer_add_track(vtl, make_track_name(vtl), vgl->realtime_track);
1736 #if GPSD_API_MAJOR_VERSION == 3 || GPSD_API_MAJOR_VERSION == 4
1737 gps_set_raw_hook(&vgl->vgpsd->gpsd, gpsd_raw_hook);
1740 vgl->realtime_io_channel = g_io_channel_unix_new(vgl->vgpsd->gpsd.gps_fd);
1741 vgl->realtime_io_watch_id = g_io_add_watch( vgl->realtime_io_channel,
1742 G_IO_IN | G_IO_ERR | G_IO_HUP, gpsd_data_available, vgl);
1744 #if GPSD_API_MAJOR_VERSION == 3
1745 gps_query(&vgl->vgpsd->gpsd, "w+x");
1747 #if GPSD_API_MAJOR_VERSION == 4 || GPSD_API_MAJOR_VERSION == 5
1748 gps_stream(&vgl->vgpsd->gpsd, WATCH_ENABLE, NULL);
1751 return FALSE; /* no longer called by timeout */
1754 static gboolean rt_ask_retry(VikGpsLayer *vgl)
1756 GtkWidget *dialog = gtk_message_dialog_new (VIK_GTK_WINDOW_FROM_LAYER(vgl),
1757 GTK_DIALOG_DESTROY_WITH_PARENT,
1758 GTK_MESSAGE_QUESTION,
1760 "Failed to connect to gpsd at %s (port %s)\n"
1761 "Should Viking keep trying (every %d seconds)?",
1762 vgl->gpsd_host, vgl->gpsd_port,
1763 vgl->gpsd_retry_interval);
1765 gint res = gtk_dialog_run(GTK_DIALOG(dialog));
1766 gtk_widget_destroy(dialog);
1767 return (res == GTK_RESPONSE_YES);
1770 static gboolean rt_gpsd_connect(VikGpsLayer *vgl, gboolean ask_if_failed)
1772 vgl->realtime_retry_timer = 0;
1773 if (rt_gpsd_try_connect((gpointer *)vgl)) {
1774 if (vgl->gpsd_retry_interval <= 0) {
1775 g_warning("Failed to connect to gpsd but will not retry because retry intervel was set to %d (which is 0 or negative)", vgl->gpsd_retry_interval);
1778 else if (ask_if_failed && !rt_ask_retry(vgl))
1781 vgl->realtime_retry_timer = g_timeout_add_seconds(vgl->gpsd_retry_interval,
1782 (GSourceFunc)rt_gpsd_try_connect, (gpointer *)vgl);
1787 static void rt_gpsd_disconnect(VikGpsLayer *vgl)
1789 if (vgl->realtime_retry_timer) {
1790 g_source_remove(vgl->realtime_retry_timer);
1791 vgl->realtime_retry_timer = 0;
1793 if (vgl->realtime_io_watch_id) {
1794 g_source_remove(vgl->realtime_io_watch_id);
1795 vgl->realtime_io_watch_id = 0;
1797 if (vgl->realtime_io_channel) {
1798 GError *error = NULL;
1799 g_io_channel_shutdown (vgl->realtime_io_channel, FALSE, &error);
1800 vgl->realtime_io_channel = NULL;
1803 #if GPSD_API_MAJOR_VERSION == 4 || GPSD_API_MAJOR_VERSION == 5
1804 gps_stream(&vgl->vgpsd->gpsd, WATCH_DISABLE, NULL);
1806 gps_close(&vgl->vgpsd->gpsd);
1807 #if GPSD_API_MAJOR_VERSION == 3
1809 #elif GPSD_API_MAJOR_VERSION == 4 || GPSD_API_MAJOR_VERSION == 5
1815 if (vgl->realtime_record && vgl->realtime_track) {
1816 if ((vgl->realtime_track->trackpoints == NULL) || (vgl->realtime_track->trackpoints->next == NULL))
1817 vik_trw_layer_delete_track(vgl->trw_children[TRW_REALTIME], vgl->realtime_track);
1818 vgl->realtime_track = NULL;
1822 static void gps_start_stop_tracking_cb( gpointer layer_and_vlp[2])
1824 VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
1825 vgl->realtime_tracking = (vgl->realtime_tracking == FALSE);
1827 /* Make sure we are still in the boat with libgps */
1828 g_assert((VIK_GPS_MODE_2D == MODE_2D) && (VIK_GPS_MODE_3D == MODE_3D));
1830 if (vgl->realtime_tracking) {
1831 vgl->first_realtime_trackpoint = TRUE;
1832 if (!rt_gpsd_connect(vgl, TRUE)) {
1833 vgl->first_realtime_trackpoint = FALSE;
1834 vgl->realtime_tracking = FALSE;
1837 else { /* stop realtime tracking */
1838 vgl->first_realtime_trackpoint = FALSE;
1839 rt_gpsd_disconnect(vgl);
1842 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */