2 * viking -- GPS Data and Topo Analyzer, Explorer, and Manager
4 * Copyright (C) 2003-2005, Evan Battaglia <gtoevan@gmx.net>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
29 #include "icons/icons.h"
34 #include <glib/gprintf.h>
35 #include <glib/gi18n.h>
36 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
40 #define DISCONNECT_UPDATE_SIGNAL(vl, val) g_signal_handlers_disconnect_matched(vl, G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, val)
41 static VikGpsLayer *vik_gps_layer_create (VikViewport *vp);
42 static void vik_gps_layer_realize ( VikGpsLayer *val, VikTreeview *vt, GtkTreeIter *layer_iter );
43 static void vik_gps_layer_free ( VikGpsLayer *val );
44 static void vik_gps_layer_draw ( VikGpsLayer *val, gpointer data );
45 VikGpsLayer *vik_gps_layer_new ();
47 static void gps_layer_marshall( VikGpsLayer *val, guint8 **data, gint *len );
48 static VikGpsLayer *gps_layer_unmarshall( guint8 *data, gint len, VikViewport *vvp );
49 static gboolean gps_layer_set_param ( VikGpsLayer *vgl, guint16 id, VikLayerParamData data, VikViewport *vp );
50 static VikLayerParamData gps_layer_get_param ( VikGpsLayer *vgl, guint16 id );
52 static void gps_layer_change_coord_mode ( VikGpsLayer *val, VikCoordMode mode );
53 static void gps_layer_add_menu_items( VikGpsLayer *vtl, GtkMenu *menu, gpointer vlp );
54 static void gps_layer_drag_drop_request ( VikGpsLayer *val_src, VikGpsLayer *val_dest, GtkTreeIter *src_item_iter, GtkTreePath *dest_path );
56 static void gps_upload_cb( gpointer layer_and_vlp[2] );
57 static void gps_download_cb( gpointer layer_and_vlp[2] );
58 static void gps_empty_upload_cb( gpointer layer_and_vlp[2] );
59 static void gps_empty_download_cb( gpointer layer_and_vlp[2] );
60 static void gps_empty_all_cb( gpointer layer_and_vlp[2] );
61 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
62 static void gps_start_stop_tracking_cb( gpointer layer_and_vlp[2] );
63 static void realtime_tracking_draw(VikGpsLayer *vgl, VikViewport *vp);
66 typedef enum {GARMIN_P = 0, MAGELLAN_P, NUM_PROTOCOLS} vik_gps_proto;
67 static gchar * params_protocols[] = {"Garmin", "Magellan", NULL};
68 static gchar * protocols_args[] = {"garmin", "magellan"};
69 /*#define NUM_PROTOCOLS (sizeof(params_protocols)/sizeof(params_protocols[0]) - 1) */
71 static gchar * params_ports[] = {"com1", "usb:", NULL};
73 static gchar * params_ports[] = {"/dev/ttyS0", "/dev/ttyS1", "/dev/ttyUSB0", "/dev/ttyUSB1", "usb:", NULL};
75 #define NUM_PORTS (sizeof(params_ports)/sizeof(params_ports[0]) - 1)
76 typedef enum {GPS_DOWN=0, GPS_UP} gps_dir;
89 GtkWidget *status_label;
94 GtkWidget *progress_label;
97 static void gps_session_delete(GpsSession *sess);
99 static gchar *params_groups[] = {
101 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
102 "Realtime Tracking Mode",
106 enum {GROUP_DATA_MODE, GROUP_REALTIME_MODE};
108 static VikLayerParam gps_layer_params[] = {
109 { "gps_protocol", VIK_LAYER_PARAM_UINT, GROUP_DATA_MODE, N_("GPS Protocol:"), VIK_LAYER_WIDGET_COMBOBOX, params_protocols, NULL},
110 { "gps_port", VIK_LAYER_PARAM_UINT, GROUP_DATA_MODE, N_("Serial Port:"), VIK_LAYER_WIDGET_COMBOBOX, params_ports, NULL},
112 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
113 { "record_tracking", VIK_LAYER_PARAM_BOOLEAN, GROUP_REALTIME_MODE, N_("Recording tracks"), VIK_LAYER_WIDGET_CHECKBUTTON},
114 { "center_start_tracking", VIK_LAYER_PARAM_BOOLEAN, GROUP_REALTIME_MODE, N_("Jump to current position on start"), VIK_LAYER_WIDGET_CHECKBUTTON},
115 { "centered_tracking", VIK_LAYER_PARAM_BOOLEAN, GROUP_REALTIME_MODE, N_("Keep current position at center"), VIK_LAYER_WIDGET_CHECKBUTTON},
116 { "gpsd_host", VIK_LAYER_PARAM_STRING, GROUP_REALTIME_MODE, N_("Gpsd Host:"), VIK_LAYER_WIDGET_ENTRY},
117 { "gpsd_port", VIK_LAYER_PARAM_STRING, GROUP_REALTIME_MODE, N_("Gpsd Port:"), VIK_LAYER_WIDGET_ENTRY},
118 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
121 PARAM_PROTOCOL=0, PARAM_PORT,
122 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
123 PARAM_REALTIME_REC, PARAM_REALTIME_CENTER_START, PARAM_REALTIME_CENTERED, PARAM_GPSD_HOST, PARAM_GPSD_PORT,
124 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
127 VikLayerInterface vik_gps_layer_interface = {
137 sizeof(params_groups)/sizeof(params_groups[0]),
139 VIK_MENU_ITEM_ALL & ~(VIK_MENU_ITEM_CUT|VIK_MENU_ITEM_COPY),
141 (VikLayerFuncCreate) vik_gps_layer_create,
142 (VikLayerFuncRealize) vik_gps_layer_realize,
143 (VikLayerFuncPostRead) NULL,
144 (VikLayerFuncFree) vik_gps_layer_free,
146 (VikLayerFuncProperties) NULL,
147 (VikLayerFuncDraw) vik_gps_layer_draw,
148 (VikLayerFuncChangeCoordMode) gps_layer_change_coord_mode,
150 (VikLayerFuncSetMenuItemsSelection) NULL,
151 (VikLayerFuncGetMenuItemsSelection) NULL,
153 (VikLayerFuncAddMenuItems) gps_layer_add_menu_items,
154 (VikLayerFuncSublayerAddMenuItems) NULL,
156 (VikLayerFuncSublayerRenameRequest) NULL,
157 (VikLayerFuncSublayerToggleVisible) NULL,
159 (VikLayerFuncMarshall) gps_layer_marshall,
160 (VikLayerFuncUnmarshall) gps_layer_unmarshall,
162 (VikLayerFuncSetParam) gps_layer_set_param,
163 (VikLayerFuncGetParam) gps_layer_get_param,
165 (VikLayerFuncReadFileData) NULL,
166 (VikLayerFuncWriteFileData) NULL,
168 (VikLayerFuncDeleteItem) NULL,
169 (VikLayerFuncCopyItem) NULL,
170 (VikLayerFuncPasteItem) NULL,
171 (VikLayerFuncFreeCopiedItem) NULL,
172 (VikLayerFuncDragDropRequest) gps_layer_drag_drop_request,
175 enum {TRW_DOWNLOAD=0, TRW_UPLOAD,
176 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
180 static gchar * trw_names[] = {
181 N_("GPS Download"), N_("GPS Upload"),
182 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
183 N_("GPS Realtime Tracking"),
187 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
189 struct gps_data_t gpsd;
194 struct gps_fix_t fix;
195 gint satellites_used;
196 gboolean dirty; /* needs to be saved */
198 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
200 struct _VikGpsLayer {
202 VikTrwLayer * trw_children[NUM_TRW];
203 GList * children; /* used only for writing file */
204 int cur_read_child; /* used only for reading file */
205 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
207 gboolean realtime_tracking;
208 GMutex *realtime_tracking_mutex;
212 enum unit realtime_gpsd_unit;
214 VikTrack *realtime_track;
215 gchar *realtime_track_name;
217 GIOChannel *realtime_io_channel;
218 guint realtime_io_watch_id;
219 GdkGC *realtime_track_gc;
220 GdkGC *realtime_track_bg_gc;
221 GdkGC *realtime_track_pt_gc;
222 GdkGC *realtime_track_pt1_gc;
223 GdkGC *realtime_track_pt2_gc;
228 gboolean realtime_record;
229 gboolean realtime_jump_to_start;
230 gboolean realtime_keep_at_center;
231 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
233 guint serial_port_id;
236 GType vik_gps_layer_get_type ()
238 static GType val_type = 0;
242 static const GTypeInfo val_info =
244 sizeof (VikGpsLayerClass),
245 NULL, /* base_init */
246 NULL, /* base_finalize */
247 NULL, /* class init */
248 NULL, /* class_finalize */
249 NULL, /* class_data */
250 sizeof (VikGpsLayer),
252 NULL /* instance init */
254 val_type = g_type_register_static ( VIK_LAYER_TYPE, "VikGpsLayer", &val_info, 0 );
260 static VikGpsLayer *vik_gps_layer_create (VikViewport *vp)
264 VikGpsLayer *rv = vik_gps_layer_new (vp);
265 vik_layer_rename ( VIK_LAYER(rv), vik_gps_layer_interface.name );
267 for (i = 0; i < NUM_TRW; i++) {
268 rv->trw_children[i] = VIK_TRW_LAYER(vik_layer_create ( VIK_LAYER_TRW, vp, NULL, FALSE ));
269 vik_layer_set_menu_items_selection(VIK_LAYER(rv->trw_children[i]), VIK_MENU_ITEM_ALL & ~(VIK_MENU_ITEM_CUT|VIK_MENU_ITEM_DELETE));
275 static void gps_layer_marshall( VikGpsLayer *vgl, guint8 **data, gint *datalen )
277 VikLayer *child_layer;
280 GByteArray* b = g_byte_array_new ();
284 #define alm_append(obj, sz) \
286 g_byte_array_append ( b, (guint8 *)&len, sizeof(len) ); \
287 g_byte_array_append ( b, (guint8 *)(obj), len );
289 vik_layer_marshall_params(VIK_LAYER(vgl), &ld, &ll);
293 for (i = 0; i < NUM_TRW; i++) {
294 child_layer = VIK_LAYER(vgl->trw_children[i]);
295 vik_layer_marshall(child_layer, &ld, &ll);
303 g_byte_array_free(b, FALSE);
308 static VikGpsLayer *gps_layer_unmarshall( guint8 *data, gint len, VikViewport *vvp )
310 #define alm_size (*(gint *)data)
312 len -= sizeof(gint) + alm_size; \
313 data += sizeof(gint) + alm_size;
315 VikGpsLayer *rv = vik_gps_layer_new();
316 VikLayer *child_layer;
319 vik_layer_unmarshall_params ( VIK_LAYER(rv), data+sizeof(gint), alm_size, vvp );
323 while (len>0 && i < NUM_TRW) {
324 child_layer = vik_layer_unmarshall ( data + sizeof(gint), alm_size, vvp );
326 rv->trw_children[i++] = (VikTrwLayer *)child_layer;
327 g_signal_connect_swapped ( G_OBJECT(child_layer), "update", G_CALLBACK(vik_layer_emit_update_secondary), rv );
331 // g_print("gps_layer_unmarshall ended with len=%d\n", len);
338 static gboolean gps_layer_set_param ( VikGpsLayer *vgl, guint16 id, VikLayerParamData data, VikViewport *vp )
342 /* TODO: gpsd_host, gpsd_port */
344 if (data.u < NUM_PROTOCOLS)
345 vgl->protocol_id = data.u;
347 g_warning(_("Unknown GPS Protocol"));
350 if (data.u < NUM_PORTS)
351 vgl->serial_port_id = data.u;
353 g_warning(_("Unknown serial port device"));
355 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
356 case PARAM_GPSD_HOST:
358 g_free(vgl->gpsd_host);
359 vgl->gpsd_host = g_strdup(data.s);
361 case PARAM_GPSD_PORT:
363 g_free(vgl->gpsd_port);
364 vgl->gpsd_port = g_strdup(data.s); /* TODO: check for number */
366 case PARAM_REALTIME_REC:
367 vgl->realtime_record = data.b;
369 case PARAM_REALTIME_CENTER_START:
370 vgl->realtime_jump_to_start = data.b;
372 case PARAM_REALTIME_CENTERED:
373 vgl->realtime_keep_at_center = data.b;
375 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
377 g_warning("gps_layer_set_param(): unknown parameter");
383 static VikLayerParamData gps_layer_get_param ( VikGpsLayer *vgl, guint16 id )
385 VikLayerParamData rv;
388 /* TODO: gpsd_host, gpsd_port */
390 rv.u = vgl->protocol_id;
393 rv.u = vgl->serial_port_id;
395 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
396 case PARAM_GPSD_HOST:
397 rv.s = vgl->gpsd_host ? vgl->gpsd_host : "";
399 case PARAM_GPSD_PORT:
400 rv.s = vgl->gpsd_port ? vgl->gpsd_port : g_strdup(DEFAULT_GPSD_PORT);
402 case PARAM_REALTIME_REC:
403 rv.b = vgl->realtime_record;
405 case PARAM_REALTIME_CENTER_START:
406 rv.b = vgl->realtime_jump_to_start;
408 case PARAM_REALTIME_CENTERED:
409 rv.b = vgl->realtime_keep_at_center;
411 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
413 g_warning(_("%s: unknown parameter"), __FUNCTION__);
419 VikGpsLayer *vik_gps_layer_new (VikViewport *vp)
422 VikGpsLayer *vgl = VIK_GPS_LAYER ( g_object_new ( VIK_GPS_LAYER_TYPE, NULL ) );
423 vik_layer_init ( VIK_LAYER(vgl), VIK_LAYER_GPS );
424 for (i = 0; i < NUM_TRW; i++) {
425 vgl->trw_children[i] = NULL;
427 vgl->children = NULL;
428 vgl->cur_read_child = 0;
430 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
431 vgl->realtime_tracking_mutex = g_mutex_new();
432 vgl->realtime_tracking = FALSE;
434 vgl->realtime_track_gc = vik_viewport_new_gc ( vp, "#203070", 2 );
435 vgl->realtime_track_bg_gc = vik_viewport_new_gc ( vp, "grey", 2 );
436 vgl->realtime_track_pt1_gc = vik_viewport_new_gc ( vp, "red", 2 );
437 vgl->realtime_track_pt2_gc = vik_viewport_new_gc ( vp, "green", 2 );
438 vgl->realtime_track_pt_gc = vgl->realtime_track_pt1_gc;
439 vgl->realtime_gpsd_unit = gpsd_units();
440 // fprintf(stderr, "DEBUG: gpsd_unit = %d\n", vgl->realtime_gpsd_unit);
441 vgl->realtime_track = NULL;
443 /* Setting params here */
444 vgl->gpsd_host = g_strdup("localhost");
445 vgl->gpsd_port = g_strdup(DEFAULT_GPSD_PORT);
446 vgl->realtime_record = TRUE;
447 vgl->realtime_jump_to_start = TRUE;
448 vgl->realtime_keep_at_center = FALSE;
449 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
450 vgl->protocol_id = 0;
451 vgl->serial_port_id = 0;
456 static void vik_gps_layer_draw ( VikGpsLayer *vgl, gpointer data )
460 VikLayer *trigger = VIK_LAYER(vik_viewport_get_trigger( VIK_VIEWPORT(data) ));
462 for (i = 0; i < NUM_TRW; i++) {
463 vl = VIK_LAYER(vgl->trw_children[i]);
465 if ( vik_viewport_get_half_drawn ( VIK_VIEWPORT(data) ) ) {
466 vik_viewport_set_half_drawn ( VIK_VIEWPORT(data), FALSE );
467 vik_viewport_snapshot_load( VIK_VIEWPORT(data) );
469 vik_viewport_snapshot_save( VIK_VIEWPORT(data) );
472 if (!vik_viewport_get_half_drawn( VIK_VIEWPORT(data)))
473 vik_layer_draw ( vl, data );
475 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
476 if (vgl->realtime_tracking) {
477 if (VIK_LAYER(vgl) == trigger) {
478 if ( vik_viewport_get_half_drawn ( VIK_VIEWPORT(data) ) ) {
479 vik_viewport_set_half_drawn ( VIK_VIEWPORT(data), FALSE );
480 vik_viewport_snapshot_load( VIK_VIEWPORT(data) );
482 vik_viewport_snapshot_save( VIK_VIEWPORT(data) );
485 if (!vik_viewport_get_half_drawn( VIK_VIEWPORT(data)))
486 realtime_tracking_draw(vgl, VIK_VIEWPORT(data));
488 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
491 static void gps_layer_change_coord_mode ( VikGpsLayer *vgl, VikCoordMode mode )
494 for (i = 0; i < NUM_TRW; i++) {
495 vik_layer_change_coord_mode(VIK_LAYER(vgl->trw_children[i]), mode);
499 static void gps_layer_add_menu_items( VikGpsLayer *vgl, GtkMenu *menu, gpointer vlp )
501 static gpointer pass_along[2];
506 item = gtk_menu_item_new();
507 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
508 gtk_widget_show ( item );
510 item = gtk_menu_item_new_with_label ( _("Upload to GPS") );
511 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_upload_cb), pass_along );
512 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
513 gtk_widget_show ( item );
515 item = gtk_menu_item_new_with_label ( _("Download from GPS") );
516 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_download_cb), pass_along );
517 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
518 gtk_widget_show ( item );
520 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
521 item = gtk_menu_item_new_with_label ( vgl->realtime_tracking ?
522 "Stop realtime tracking" :
523 "Start realtime tracking" );
524 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_start_stop_tracking_cb), pass_along );
525 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
526 gtk_widget_show ( item );
528 item = gtk_menu_item_new();
529 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
530 gtk_widget_show ( item );
531 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
533 item = gtk_menu_item_new_with_label ( _("Empty Upload") );
534 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_empty_upload_cb), pass_along );
535 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
536 gtk_widget_show ( item );
538 item = gtk_menu_item_new_with_label ( _("Empty Download") );
539 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_empty_download_cb), pass_along );
540 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
541 gtk_widget_show ( item );
543 item = gtk_menu_item_new_with_label ( _("Empty All") );
544 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_empty_all_cb), pass_along );
545 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
546 gtk_widget_show ( item );
550 static void disconnect_layer_signal ( VikLayer *vl, VikGpsLayer *vgl )
552 g_assert(DISCONNECT_UPDATE_SIGNAL(vl,vgl)==1);
555 static void vik_gps_layer_free ( VikGpsLayer *vgl )
558 for (i = 0; i < NUM_TRW; i++) {
559 if (vgl->vl.realized)
560 disconnect_layer_signal(VIK_LAYER(vgl->trw_children[i]), vgl);
561 g_object_unref(vgl->trw_children[i]);
563 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
564 if (vgl->realtime_track_gc != NULL)
565 g_object_unref(vgl->realtime_track_gc);
566 if (vgl->realtime_track_bg_gc != NULL)
567 g_object_unref(vgl->realtime_track_bg_gc);
568 if (vgl->realtime_track_pt1_gc != NULL)
569 g_object_unref(vgl->realtime_track_pt1_gc);
570 if (vgl->realtime_track_pt2_gc != NULL)
571 g_object_unref(vgl->realtime_track_pt2_gc);
572 if (vgl->realtime_tracking_mutex != NULL)
573 g_mutex_free(vgl->realtime_tracking_mutex);
574 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
577 gboolean vik_gps_layer_delete ( VikGpsLayer *vgl, GtkTreeIter *iter )
580 VikLayer *l = VIK_LAYER( vik_treeview_item_get_pointer ( VIK_LAYER(vgl)->vt, iter ) );
581 gboolean was_visible = l->visible;
583 vik_treeview_item_delete ( VIK_LAYER(vgl)->vt, iter );
584 for (i = 0; i < NUM_TRW; i++) {
585 if (VIK_LAYER(vgl->trw_children[i]) == l)
586 vgl->trw_children[i] = NULL;
588 g_assert(DISCONNECT_UPDATE_SIGNAL(l,vgl)==1);
589 g_object_unref ( l );
594 static void vik_gps_layer_realize ( VikGpsLayer *vgl, VikTreeview *vt, GtkTreeIter *layer_iter )
599 for (ix = 0; ix < NUM_TRW; ix++) {
600 VikLayer * trw = VIK_LAYER(vgl->trw_children[ix]);
601 vik_treeview_add_layer ( VIK_LAYER(vgl)->vt, layer_iter, &iter,
602 _(trw_names[ix]), vgl,
603 trw, trw->type, trw->type );
604 if ( ! trw->visible )
605 vik_treeview_item_set_visible ( VIK_LAYER(vgl)->vt, &iter, FALSE );
606 vik_layer_realize ( trw, VIK_LAYER(vgl)->vt, &iter );
607 g_signal_connect_swapped ( G_OBJECT(trw), "update", G_CALLBACK(vik_layer_emit_update_secondary), vgl );
611 const GList *vik_gps_layer_get_children ( VikGpsLayer *vgl )
615 if (vgl->children == NULL) {
616 for (i = NUM_TRW - 1; i >= 0; i--)
617 vgl->children = g_list_prepend(vgl->children, vgl->trw_children[i]);
619 return vgl->children;
622 VikTrwLayer * vik_gps_layer_get_a_child(VikGpsLayer *vgl)
624 g_assert ((vgl->cur_read_child >= 0) && (vgl->cur_read_child < NUM_TRW));
626 VikTrwLayer * vtl = vgl->trw_children[vgl->cur_read_child];
627 if (++(vgl->cur_read_child) >= NUM_TRW)
628 vgl->cur_read_child = 0;
632 gboolean vik_gps_layer_is_empty ( VikGpsLayer *vgl )
634 if ( vgl->trw_children[0] )
639 static void gps_layer_drag_drop_request ( VikGpsLayer *val_src, VikGpsLayer *val_dest, GtkTreeIter *src_item_iter, GtkTreePath *dest_path )
641 VikTreeview *vt = VIK_LAYER(val_src)->vt;
642 VikLayer *vl = vik_treeview_item_get_pointer(vt, src_item_iter);
643 GtkTreeIter dest_iter;
645 gboolean target_exists;
647 dp = gtk_tree_path_to_string(dest_path);
648 target_exists = vik_treeview_get_iter_from_path_str(vt, &dest_iter, dp);
650 /* vik_gps_layer_delete unrefs, but we don't want that here.
651 * we're still using the layer. */
653 vik_gps_layer_delete(val_src, src_item_iter);
658 static void gps_session_delete(GpsSession *sess)
661 g_mutex_free(sess->mutex);
662 g_free(sess->cmd_args);
668 static void set_total_count(gint cnt, GpsSession *sess)
672 g_mutex_lock(sess->mutex);
674 const gchar *tmp_str;
675 if (sess->direction == GPS_DOWN)
677 if (sess->progress_label == sess->wp_label)
678 tmp_str = ngettext("Downloading %d waypoint...", "Downloading %d waypoints...", cnt);
680 tmp_str = ngettext("Downloading %d trackpoint...", "Downloading %d trackpoints...", cnt);
684 if (sess->progress_label == sess->wp_label)
685 tmp_str = ngettext("Uploading %d waypoint...", "Uploading %d waypoints...", cnt);
687 tmp_str = ngettext("Uploading %d trackpoint...", "Uploading %d trackpoints...", cnt);
690 g_snprintf(s, 128, tmp_str, cnt);
691 gtk_label_set_text ( GTK_LABEL(sess->progress_label), s );
692 gtk_widget_show ( sess->progress_label );
693 sess->total_count = cnt;
695 g_mutex_unlock(sess->mutex);
699 static void set_current_count(gint cnt, GpsSession *sess)
702 const gchar *tmp_str;
705 g_mutex_lock(sess->mutex);
707 if (cnt < sess->total_count) {
708 if (sess->direction == GPS_DOWN)
710 if (sess->progress_label == sess->wp_label)
711 tmp_str = ngettext("Downloaded %d out of %d waypoint...", "Downloaded %d out of %d waypoints...", sess->total_count);
713 tmp_str = ngettext("Downloaded %d out of %d trackpoint...", "Downloaded %d out of %d trackpoints...", sess->total_count);
716 if (sess->progress_label == sess->wp_label)
717 tmp_str = ngettext("Uploaded %d out of %d waypoint...", "Uploaded %d out of %d waypoints...", sess->total_count);
719 tmp_str = ngettext("Uploaded %d out of %d trackpoint...", "Uploaded %d out of %d trackpoints...", sess->total_count);
721 g_snprintf(s, 128, tmp_str, cnt, sess->total_count);
723 if (sess->direction == GPS_DOWN)
725 if (sess->progress_label == sess->wp_label)
726 tmp_str = ngettext("Downloaded %d waypoint", "Downloaded %d waypoints", cnt);
728 tmp_str = ngettext("Downloaded %d trackpoint", "Downloaded %d trackpoints", cnt);
731 if (sess->progress_label == sess->wp_label)
732 tmp_str = ngettext("Uploaded %d waypoint", "Uploaded %d waypoints", cnt);
734 tmp_str = ngettext("Uploaded %d trackpoint", "Uploaded %d trackpoints", cnt);
736 g_snprintf(s, 128, tmp_str, cnt);
738 gtk_label_set_text ( GTK_LABEL(sess->progress_label), s );
740 g_mutex_unlock(sess->mutex);
744 static void set_gps_info(const gchar *info, GpsSession *sess)
748 g_mutex_lock(sess->mutex);
750 g_snprintf(s, 256, _("GPS Device: %s"), info);
751 gtk_label_set_text ( GTK_LABEL(sess->gps_label), s );
753 g_mutex_unlock(sess->mutex);
757 static void gps_download_progress_func(BabelProgressCode c, gpointer data, GpsSession * sess )
761 gdk_threads_enter ();
762 g_mutex_lock(sess->mutex);
764 g_mutex_unlock(sess->mutex);
765 gps_session_delete(sess);
767 g_thread_exit ( NULL );
769 g_mutex_unlock(sess->mutex);
770 gdk_threads_leave ();
773 case BABEL_DIAG_OUTPUT:
774 line = (gchar *)data;
776 /* tells us how many items there will be */
777 if (strstr(line, "Xfer Wpt")) {
778 sess->progress_label = sess->wp_label;
780 if (strstr(line, "Xfer Trk")) {
781 sess->progress_label = sess->trk_label;
783 if (strstr(line, "PRDDAT")) {
784 gchar **tokens = g_strsplit(line, " ", 0);
790 while (tokens[n_tokens])
794 for (i=8; tokens[i] && ilen < sizeof(info)-2 && strcmp(tokens[i], "00"); i++) {
796 sscanf(tokens[i], "%x", &ch);
800 set_gps_info(info, sess);
804 if (strstr(line, "RECORD")) {
807 if (strlen(line) > 20) {
808 sscanf(line+17, "%x", &lsb);
809 sscanf(line+20, "%x", &msb);
810 cnt = lsb + msb * 256;
811 set_total_count(cnt, sess);
815 if ( strstr(line, "WPTDAT") || strstr(line, "TRKHDR") || strstr(line, "TRKDAT") ) {
817 set_current_count(sess->count, sess);
828 static void gps_upload_progress_func(BabelProgressCode c, gpointer data, GpsSession * sess )
833 gdk_threads_enter ();
834 g_mutex_lock(sess->mutex);
836 g_mutex_unlock(sess->mutex);
837 gps_session_delete(sess);
839 g_thread_exit ( NULL );
841 g_mutex_unlock(sess->mutex);
842 gdk_threads_leave ();
845 case BABEL_DIAG_OUTPUT:
846 line = (gchar *)data;
848 if (strstr(line, "PRDDAT")) {
849 gchar **tokens = g_strsplit(line, " ", 0);
855 while (tokens[n_tokens])
859 for (i=8; tokens[i] && ilen < sizeof(info)-2 && strcmp(tokens[i], "00"); i++) {
861 sscanf(tokens[i], "%x", &ch);
865 set_gps_info(info, sess);
869 if (strstr(line, "RECORD")) {
872 if (strlen(line) > 20) {
873 sscanf(line+17, "%x", &lsb);
874 sscanf(line+20, "%x", &msb);
875 cnt = lsb + msb * 256;
876 /* set_total_count(cnt, sess); */
880 if ( strstr(line, "WPTDAT")) {
881 if (sess->count == 0) {
882 sess->progress_label = sess->wp_label;
883 set_total_count(cnt, sess);
886 set_current_count(sess->count, sess);
889 if ( strstr(line, "TRKHDR") || strstr(line, "TRKDAT") ) {
890 if (sess->count == 0) {
891 sess->progress_label = sess->trk_label;
892 set_total_count(cnt, sess);
895 set_current_count(sess->count, sess);
906 static void gps_comm_thread(GpsSession *sess)
910 if (sess->direction == GPS_DOWN)
911 result = a_babel_convert_from (sess->vtl, sess->cmd_args,
912 (BabelStatusFunc) gps_download_progress_func, sess->port, sess);
914 result = a_babel_convert_to (sess->vtl, sess->cmd_args,
915 (BabelStatusFunc) gps_upload_progress_func, sess->port, sess);
919 gtk_label_set_text ( GTK_LABEL(sess->status_label), _("Error: couldn't find gpsbabel.") );
922 g_mutex_lock(sess->mutex);
924 gtk_label_set_text ( GTK_LABEL(sess->status_label), _("Done.") );
925 gtk_dialog_set_response_sensitive ( GTK_DIALOG(sess->dialog), GTK_RESPONSE_ACCEPT, TRUE );
926 gtk_dialog_set_response_sensitive ( GTK_DIALOG(sess->dialog), GTK_RESPONSE_REJECT, FALSE );
930 g_mutex_unlock(sess->mutex);
933 g_mutex_lock(sess->mutex);
936 g_mutex_unlock(sess->mutex);
939 g_mutex_unlock(sess->mutex);
940 gps_session_delete(sess);
946 static gint gps_comm(VikTrwLayer *vtl, gps_dir dir, vik_gps_proto proto, gchar *port) {
947 GpsSession *sess = g_malloc(sizeof(GpsSession));
949 sess->mutex = g_mutex_new();
950 sess->direction = dir;
952 sess->port = g_strdup(port);
954 sess->cmd_args = g_strdup_printf("-D 9 -t -w -%c %s",
955 (dir == GPS_DOWN) ? 'i' : 'o', protocols_args[proto]);
956 sess->window_title = (dir == GPS_DOWN) ? _("GPS Download") : _("GPS Upload");
958 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 );
959 gtk_dialog_set_response_sensitive ( GTK_DIALOG(sess->dialog),
960 GTK_RESPONSE_ACCEPT, FALSE );
961 gtk_window_set_title ( GTK_WINDOW(sess->dialog), sess->window_title );
963 sess->status_label = gtk_label_new (_("Status: detecting gpsbabel"));
964 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(sess->dialog)->vbox),
965 sess->status_label, FALSE, FALSE, 5 );
966 gtk_widget_show_all(sess->status_label);
968 sess->gps_label = gtk_label_new (_("GPS device: N/A"));
969 sess->ver_label = gtk_label_new ("");
970 sess->id_label = gtk_label_new ("");
971 sess->wp_label = gtk_label_new ("");
972 sess->trk_label = gtk_label_new ("");
974 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(sess->dialog)->vbox), sess->gps_label, FALSE, FALSE, 5 );
975 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(sess->dialog)->vbox), sess->wp_label, FALSE, FALSE, 5 );
976 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(sess->dialog)->vbox), sess->trk_label, FALSE, FALSE, 5 );
978 gtk_widget_show_all(sess->dialog);
980 sess->progress_label = sess->wp_label;
981 sess->total_count = -1;
983 /* TODO: starting gps read/write thread here */
984 g_thread_create((GThreadFunc)gps_comm_thread, sess, FALSE, NULL );
986 gtk_dialog_run(GTK_DIALOG(sess->dialog));
988 gtk_widget_destroy(sess->dialog);
990 g_mutex_lock(sess->mutex);
992 sess->ok = FALSE; /* tell thread to stop */
993 g_mutex_unlock(sess->mutex);
996 g_mutex_unlock(sess->mutex);
997 gps_session_delete(sess);
1003 static void gps_upload_cb( gpointer layer_and_vlp[2] )
1005 VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
1006 VikTrwLayer *vtl = vgl->trw_children[TRW_UPLOAD];
1007 gps_comm(vtl, GPS_UP, vgl->protocol_id, params_ports[vgl->serial_port_id]);
1010 static void gps_download_cb( gpointer layer_and_vlp[2] )
1012 VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
1013 VikTrwLayer *vtl = vgl->trw_children[TRW_DOWNLOAD];
1014 gps_comm(vtl, GPS_DOWN, vgl->protocol_id, params_ports[vgl->serial_port_id]);
1017 static void gps_empty_upload_cb( gpointer layer_and_vlp[2] )
1019 VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
1020 vik_trw_layer_delete_all_waypoints ( vgl-> trw_children[TRW_UPLOAD]);
1021 vik_trw_layer_delete_all_tracks ( vgl-> trw_children[TRW_UPLOAD]);
1024 static void gps_empty_download_cb( gpointer layer_and_vlp[2] )
1026 VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
1027 vik_trw_layer_delete_all_waypoints ( vgl-> trw_children[TRW_DOWNLOAD]);
1028 vik_trw_layer_delete_all_tracks ( vgl-> trw_children[TRW_DOWNLOAD]);
1031 static void gps_empty_all_cb( gpointer layer_and_vlp[2] )
1033 VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
1034 vik_trw_layer_delete_all_waypoints ( vgl-> trw_children[TRW_UPLOAD]);
1035 vik_trw_layer_delete_all_tracks ( vgl-> trw_children[TRW_UPLOAD]);
1036 vik_trw_layer_delete_all_waypoints ( vgl-> trw_children[TRW_DOWNLOAD]);
1037 vik_trw_layer_delete_all_tracks ( vgl-> trw_children[TRW_DOWNLOAD]);
1040 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
1041 static void realtime_tracking_draw(VikGpsLayer *vgl, VikViewport *vp)
1045 struct LatLon lnw, lse;
1046 vik_viewport_screen_to_coord ( vp, -20, -20, &nw );
1047 vik_viewport_screen_to_coord ( vp, vik_viewport_get_width(vp)+20, vik_viewport_get_width(vp)+20, &se );
1048 vik_coord_to_latlon ( &nw, &lnw );
1049 vik_coord_to_latlon ( &se, &lse );
1050 if ( vgl->realtime_fix.fix.latitude > lse.lat &&
1051 vgl->realtime_fix.fix.latitude < lnw.lat &&
1052 vgl->realtime_fix.fix.longitude > lnw.lon &&
1053 vgl->realtime_fix.fix.longitude < lse.lon ) {
1056 gint half_back_x, half_back_y;
1057 gint half_back_bg_x, half_back_bg_y;
1059 gint ptbg_x, ptbg_y;
1060 gint side1_x, side1_y, side2_x, side2_y;
1061 gint side1bg_x, side1bg_y, side2bg_x, side2bg_y;
1063 ll.lat = vgl->realtime_fix.fix.latitude;
1064 ll.lon = vgl->realtime_fix.fix.longitude;
1065 vik_coord_load_from_latlon ( &gps, vik_viewport_get_coord_mode(vp), &ll);
1066 vik_viewport_coord_to_screen ( vp, &gps, &x, &y );
1068 gdouble heading_cos = cos(M_PI/180*vgl->realtime_fix.fix.track);
1069 gdouble heading_sin = sin(M_PI/180*vgl->realtime_fix.fix.track);
1071 half_back_y = y+8*heading_cos;
1072 half_back_x = x-8*heading_sin;
1073 half_back_bg_y = y+10*heading_cos;
1074 half_back_bg_x = x-10*heading_sin;
1076 pt_y = half_back_y-24*heading_cos;
1077 pt_x = half_back_x+24*heading_sin;
1078 ptbg_y = half_back_bg_y-28*heading_cos;
1079 ptbg_x = half_back_bg_x+28*heading_sin;
1081 side1_y = half_back_y+9*heading_sin;
1082 side1_x = half_back_x+9*heading_cos;
1083 side1bg_y = half_back_bg_y+11*heading_sin;
1084 side1bg_x = half_back_bg_x+11*heading_cos;
1086 side2_y = half_back_y-9*heading_sin;
1087 side2_x = half_back_x-9*heading_cos;
1088 side2bg_y = half_back_bg_y-11*heading_sin;
1089 side2bg_x = half_back_bg_x-11*heading_cos;
1091 GdkPoint trian[3] = { { pt_x, pt_y }, {side1_x, side1_y}, {side2_x, side2_y} };
1092 GdkPoint trian_bg[3] = { { ptbg_x, pt_y }, {side1bg_x, side1bg_y}, {side2bg_x, side2bg_y} };
1094 vik_viewport_draw_polygon ( vp, vgl->realtime_track_bg_gc, TRUE, trian_bg, 3 );
1095 vik_viewport_draw_polygon ( vp, vgl->realtime_track_gc, TRUE, trian, 3 );
1096 vik_viewport_draw_rectangle ( vp,
1097 (vgl->realtime_fix.fix.mode > MODE_2D) ? vgl->realtime_track_pt2_gc : vgl->realtime_track_pt1_gc,
1098 TRUE, x-2, y-2, 4, 4 );
1099 //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;
1103 /* lock/unlock realtime_tracking_mutex when call this */
1104 static void create_realtime_trackpoint(VikGpsLayer *vgl, gboolean forced)
1109 /* Note that fix.time is a double, but it should not affect the precision
1111 time_t cur_timestamp = vgl->realtime_fix.fix.time;
1112 time_t last_timestamp = vgl->last_fix.fix.time;
1114 if (cur_timestamp < last_timestamp) {
1118 if (vgl->realtime_record && vgl->realtime_fix.dirty) {
1119 gboolean replace = FALSE;
1120 int heading = (int)floor(vgl->realtime_fix.fix.track);
1121 int last_heading = (int)floor(vgl->last_fix.fix.track);
1122 int alt = isnan(vgl->realtime_fix.fix.altitude) ? VIK_DEFAULT_ALTITUDE : floor(vgl->realtime_fix.fix.altitude);
1123 int last_alt = isnan(vgl->last_fix.fix.altitude) ? VIK_DEFAULT_ALTITUDE : floor(vgl->last_fix.fix.altitude);
1124 if (((last_tp = g_list_last(vgl->realtime_track->trackpoints)) != NULL) &&
1125 (vgl->realtime_fix.fix.mode > MODE_2D) &&
1126 (vgl->last_fix.fix.mode <= MODE_2D) &&
1127 ((cur_timestamp - last_timestamp) < 2)) {
1128 g_free(last_tp->data);
1129 vgl->realtime_track->trackpoints = g_list_delete_link(vgl->realtime_track->trackpoints, last_tp);
1133 ((cur_timestamp != last_timestamp) &&
1135 ((heading < last_heading) && (heading < (last_heading - 3))) ||
1136 ((heading > last_heading) && (heading > (last_heading + 3))) ||
1137 ((alt != VIK_DEFAULT_ALTITUDE) && (alt != last_alt)))))) {
1138 /* TODO: check for new segments */
1139 VikTrackpoint *tp = vik_trackpoint_new();
1140 tp->newsegment = FALSE;
1141 tp->has_timestamp = TRUE;
1142 tp->timestamp = vgl->realtime_fix.fix.time;
1144 /* speed only available for 3D fix. Check for NAN when use this speed */
1145 tp->speed = vgl->realtime_fix.fix.speed;
1146 tp->course = vgl->realtime_fix.fix.track;
1147 tp->nsats = vgl->realtime_fix.satellites_used;
1148 tp->fix_mode = vgl->realtime_fix.fix.mode;
1149 tp->extended = TRUE;
1151 ll.lat = vgl->realtime_fix.fix.latitude;
1152 ll.lon = vgl->realtime_fix.fix.longitude;
1153 vik_coord_load_from_latlon(&tp->coord,
1154 vik_trw_layer_get_coord_mode(vgl->trw_children[TRW_REALTIME]), &ll);
1156 vgl->realtime_track->trackpoints = g_list_append(vgl->realtime_track->trackpoints, tp);
1157 vgl->realtime_fix.dirty = FALSE;
1158 vgl->realtime_fix.satellites_used = 0;
1159 vgl->last_fix = vgl->realtime_fix;
1165 void gpsd_raw_hook(VglGpsd *vgpsd, gchar *data)
1167 gboolean update_all = FALSE;
1168 VikGpsLayer *vgl = vgpsd->vgl;
1170 if (!vgl->realtime_tracking) {
1171 g_warning("%s: receiving GPS data while not in realtime mode", __PRETTY_FUNCTION__);
1175 if ((vgpsd->gpsd.fix.mode >= MODE_2D) &&
1176 !isnan(vgpsd->gpsd.fix.latitude) &&
1177 !isnan(vgpsd->gpsd.fix.longitude) &&
1178 !isnan(vgpsd->gpsd.fix.track)) {
1179 g_mutex_lock(vgl->realtime_tracking_mutex);
1180 vgl->realtime_fix.fix = vgpsd->gpsd.fix;
1181 vgl->realtime_fix.satellites_used = vgpsd->gpsd.satellites_used;
1182 vgl->realtime_fix.dirty = TRUE;
1184 if (vgl->realtime_keep_at_center ||
1185 (vgl->realtime_jump_to_start && !vgl->realtime_track->trackpoints)) {
1189 ll.lat = vgl->realtime_fix.fix.latitude;
1190 ll.lon = vgl->realtime_fix.fix.longitude;
1191 vik_coord_load_from_latlon(¢er,
1192 vik_trw_layer_get_coord_mode(vgl->trw_children[TRW_REALTIME]), &ll);
1193 VikWindow *vw = VIK_WINDOW(VIK_GTK_WINDOW_FROM_LAYER(vgl));
1194 VikViewport *vvp = vik_window_viewport(vw);
1195 vik_viewport_set_center_coord(vvp, ¢er);
1199 create_realtime_trackpoint(vgl, FALSE);
1200 g_mutex_unlock(vgl->realtime_tracking_mutex);
1202 vik_layer_emit_update ( update_all ? VIK_LAYER(vgl) : VIK_LAYER(vgl->trw_children[TRW_REALTIME]));
1206 static gboolean gpsd_data_available(GIOChannel *source, GIOCondition condition, gpointer data)
1208 VikGpsLayer *vgl = data;
1209 gps_poll(&vgl->vgpsd->gpsd);
1213 static gchar *make_track_name(VikTrwLayer *vtl)
1215 const gchar basename[] = "REALTIME";
1216 const gint bufsize = sizeof(basename) + 5;
1217 gchar *name = g_malloc(bufsize);
1218 strcpy(name, basename);
1221 while (vik_trw_layer_get_track(vtl, name) != NULL) {
1222 g_snprintf(name, bufsize, "%s#%d", basename, i);
1229 static void gps_start_stop_tracking_cb( gpointer layer_and_vlp[2])
1231 VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
1232 vgl->realtime_tracking = (vgl->realtime_tracking == FALSE);
1234 /* Make sure we are still in the boat with libgps */
1235 g_assert((VIK_GPS_MODE_2D == MODE_2D) && (VIK_GPS_MODE_3D == MODE_3D));
1237 if (vgl->realtime_tracking) {
1238 struct gps_data_t *gpsd = gps_open(vgl->gpsd_host, vgl->gpsd_port);
1240 GtkWidget *dialog = gtk_message_dialog_new (VIK_GTK_WINDOW_FROM_LAYER(vgl),
1241 GTK_DIALOG_DESTROY_WITH_PARENT,
1244 "Failed to connect to gpsd at %s (port %s)",
1245 vgl->gpsd_host, vgl->gpsd_port);
1246 gtk_dialog_run (GTK_DIALOG (dialog));
1247 gtk_widget_destroy (dialog);
1249 vgl->realtime_tracking = FALSE;
1252 vgl->vgpsd = g_realloc(gpsd, sizeof(VglGpsd));
1253 vgl->vgpsd->vgl = vgl;
1255 vgl->realtime_fix.dirty = vgl->last_fix.dirty = FALSE;
1256 /* track alt/time graph uses VIK_DEFAULT_ALTITUDE (0.0) as invalid */
1257 vgl->realtime_fix.fix.altitude = vgl->last_fix.fix.altitude = VIK_DEFAULT_ALTITUDE;
1258 vgl->realtime_fix.fix.speed = vgl->last_fix.fix.speed = NAN;
1260 if (vgl->realtime_record) {
1261 VikTrwLayer *vtl = vgl->trw_children[TRW_REALTIME];
1262 vgl->realtime_track = vik_track_new();
1263 vgl->realtime_track->visible = TRUE;
1264 vgl->realtime_track_name = make_track_name(vtl);
1265 vik_trw_layer_add_track(vtl, vgl->realtime_track_name, vgl->realtime_track);
1268 gps_set_raw_hook(&vgl->vgpsd->gpsd, gpsd_raw_hook);
1269 vgl->realtime_io_channel = g_io_channel_unix_new(vgl->vgpsd->gpsd.gps_fd);
1270 vgl->realtime_io_watch_id = g_io_add_watch( vgl->realtime_io_channel,
1271 G_IO_IN, gpsd_data_available, vgl);
1273 gps_query(&vgl->vgpsd->gpsd, "w+x");
1276 else { /* stop realtime tracking */
1277 /* TODO: handle race condition here , make sure vgpsd is NULL */
1278 g_mutex_lock(vgl->realtime_tracking_mutex);
1279 gps_close(&vgl->vgpsd->gpsd);
1281 // g_source_remove(vgl->realtime_timeout);
1282 g_source_remove(vgl->realtime_io_watch_id);
1283 g_io_channel_unref (vgl->realtime_io_channel);
1285 if (vgl->realtime_record) {
1286 create_realtime_trackpoint(vgl, TRUE);
1287 if ((vgl->realtime_track->trackpoints == NULL) || (vgl->realtime_track->trackpoints->next == NULL))
1288 vik_trw_layer_delete_track(vgl->trw_children[TRW_REALTIME], vgl->realtime_track_name);
1290 g_mutex_unlock(vgl->realtime_tracking_mutex);
1293 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */