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 #if ! GLIB_CHECK_VERSION(2,14,0)
41 inline guint g_timeout_add_seconds(guint interval, GSourceFunc function, gpointer data) {
42 return g_timeout_add(interval*1000, function, data);
46 #define DISCONNECT_UPDATE_SIGNAL(vl, val) g_signal_handlers_disconnect_matched(vl, G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, val)
47 static VikGpsLayer *vik_gps_layer_create (VikViewport *vp);
48 static void vik_gps_layer_realize ( VikGpsLayer *val, VikTreeview *vt, GtkTreeIter *layer_iter );
49 static void vik_gps_layer_free ( VikGpsLayer *val );
50 static void vik_gps_layer_draw ( VikGpsLayer *val, gpointer data );
51 VikGpsLayer *vik_gps_layer_new ();
53 static void gps_layer_marshall( VikGpsLayer *val, guint8 **data, gint *len );
54 static VikGpsLayer *gps_layer_unmarshall( guint8 *data, gint len, VikViewport *vvp );
55 static gboolean gps_layer_set_param ( VikGpsLayer *vgl, guint16 id, VikLayerParamData data, VikViewport *vp );
56 static VikLayerParamData gps_layer_get_param ( VikGpsLayer *vgl, guint16 id );
58 static void gps_layer_change_coord_mode ( VikGpsLayer *val, VikCoordMode mode );
59 static void gps_layer_add_menu_items( VikGpsLayer *vtl, GtkMenu *menu, gpointer vlp );
60 static void gps_layer_drag_drop_request ( VikGpsLayer *val_src, VikGpsLayer *val_dest, GtkTreeIter *src_item_iter, GtkTreePath *dest_path );
62 static void gps_upload_cb( gpointer layer_and_vlp[2] );
63 static void gps_download_cb( gpointer layer_and_vlp[2] );
64 static void gps_empty_upload_cb( gpointer layer_and_vlp[2] );
65 static void gps_empty_download_cb( gpointer layer_and_vlp[2] );
66 static void gps_empty_all_cb( gpointer layer_and_vlp[2] );
67 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
68 static void gps_start_stop_tracking_cb( gpointer layer_and_vlp[2] );
69 static void realtime_tracking_draw(VikGpsLayer *vgl, VikViewport *vp);
72 typedef enum {GARMIN_P = 0, MAGELLAN_P, NUM_PROTOCOLS} vik_gps_proto;
73 static gchar * params_protocols[] = {"Garmin", "Magellan", NULL};
74 static gchar * protocols_args[] = {"garmin", "magellan"};
75 /*#define NUM_PROTOCOLS (sizeof(params_protocols)/sizeof(params_protocols[0]) - 1) */
77 static gchar * params_ports[] = {"com1", "usb:", NULL};
79 static gchar * params_ports[] = {"/dev/ttyS0", "/dev/ttyS1", "/dev/ttyUSB0", "/dev/ttyUSB1", "usb:", NULL};
81 #define NUM_PORTS (sizeof(params_ports)/sizeof(params_ports[0]) - 1)
82 typedef enum {GPS_DOWN=0, GPS_UP} gps_dir;
95 GtkWidget *status_label;
100 GtkWidget *progress_label;
101 GtkWidget *trk_label;
103 static void gps_session_delete(GpsSession *sess);
105 static gchar *params_groups[] = {
107 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
108 "Realtime Tracking Mode",
112 enum {GROUP_DATA_MODE, GROUP_REALTIME_MODE};
114 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
115 static gchar *params_vehicle_position[] = {
116 "Keep vehicle at center",
117 "Keep vehicle on screen",
122 VEHICLE_POSITION_CENTERED = 0,
123 VEHICLE_POSITION_ON_SCREEN,
124 VEHICLE_POSITION_NONE,
128 static VikLayerParam gps_layer_params[] = {
129 { "gps_protocol", VIK_LAYER_PARAM_UINT, GROUP_DATA_MODE, N_("GPS Protocol:"), VIK_LAYER_WIDGET_COMBOBOX, params_protocols, NULL},
130 { "gps_port", VIK_LAYER_PARAM_UINT, GROUP_DATA_MODE, N_("Serial Port:"), VIK_LAYER_WIDGET_COMBOBOX, params_ports, NULL},
132 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
133 { "record_tracking", VIK_LAYER_PARAM_BOOLEAN, GROUP_REALTIME_MODE, N_("Recording tracks"), VIK_LAYER_WIDGET_CHECKBUTTON},
134 { "center_start_tracking", VIK_LAYER_PARAM_BOOLEAN, GROUP_REALTIME_MODE, N_("Jump to current position on start"), VIK_LAYER_WIDGET_CHECKBUTTON},
135 { "moving_map_method", VIK_LAYER_PARAM_UINT, GROUP_REALTIME_MODE, N_("Moving Map Method:"), VIK_LAYER_WIDGET_RADIOGROUP_STATIC, params_vehicle_position, NULL},
136 { "gpsd_host", VIK_LAYER_PARAM_STRING, GROUP_REALTIME_MODE, N_("Gpsd Host:"), VIK_LAYER_WIDGET_ENTRY},
137 { "gpsd_port", VIK_LAYER_PARAM_STRING, GROUP_REALTIME_MODE, N_("Gpsd Port:"), VIK_LAYER_WIDGET_ENTRY},
138 { "gpsd_retry_interval", VIK_LAYER_PARAM_STRING, GROUP_REALTIME_MODE, N_("Gpsd Retry Interval (seconds):"), VIK_LAYER_WIDGET_ENTRY},
139 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
142 PARAM_PROTOCOL=0, PARAM_PORT,
143 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
144 PARAM_REALTIME_REC, PARAM_REALTIME_CENTER_START, PARAM_VEHICLE_POSITION, PARAM_GPSD_HOST, PARAM_GPSD_PORT, PARAM_GPSD_RETRY_INTERVAL,
145 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
148 VikLayerInterface vik_gps_layer_interface = {
158 sizeof(params_groups)/sizeof(params_groups[0]),
160 VIK_MENU_ITEM_ALL & ~(VIK_MENU_ITEM_CUT|VIK_MENU_ITEM_COPY),
162 (VikLayerFuncCreate) vik_gps_layer_create,
163 (VikLayerFuncRealize) vik_gps_layer_realize,
164 (VikLayerFuncPostRead) NULL,
165 (VikLayerFuncFree) vik_gps_layer_free,
167 (VikLayerFuncProperties) NULL,
168 (VikLayerFuncDraw) vik_gps_layer_draw,
169 (VikLayerFuncChangeCoordMode) gps_layer_change_coord_mode,
171 (VikLayerFuncSetMenuItemsSelection) NULL,
172 (VikLayerFuncGetMenuItemsSelection) NULL,
174 (VikLayerFuncAddMenuItems) gps_layer_add_menu_items,
175 (VikLayerFuncSublayerAddMenuItems) NULL,
177 (VikLayerFuncSublayerRenameRequest) NULL,
178 (VikLayerFuncSublayerToggleVisible) NULL,
180 (VikLayerFuncMarshall) gps_layer_marshall,
181 (VikLayerFuncUnmarshall) gps_layer_unmarshall,
183 (VikLayerFuncSetParam) gps_layer_set_param,
184 (VikLayerFuncGetParam) gps_layer_get_param,
186 (VikLayerFuncReadFileData) NULL,
187 (VikLayerFuncWriteFileData) NULL,
189 (VikLayerFuncDeleteItem) NULL,
190 (VikLayerFuncCopyItem) NULL,
191 (VikLayerFuncPasteItem) NULL,
192 (VikLayerFuncFreeCopiedItem) NULL,
193 (VikLayerFuncDragDropRequest) gps_layer_drag_drop_request,
196 enum {TRW_DOWNLOAD=0, TRW_UPLOAD,
197 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
201 static gchar * trw_names[] = {
202 N_("GPS Download"), N_("GPS Upload"),
203 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
204 N_("GPS Realtime Tracking"),
208 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
210 struct gps_data_t gpsd;
215 struct gps_fix_t fix;
216 gint satellites_used;
217 gboolean dirty; /* needs to be saved */
219 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
221 struct _VikGpsLayer {
223 VikTrwLayer * trw_children[NUM_TRW];
224 GList * children; /* used only for writing file */
225 int cur_read_child; /* used only for reading file */
226 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
228 gboolean realtime_tracking; /* set/reset only by the callback */
229 gboolean first_realtime_trackpoint;
233 enum unit realtime_gpsd_unit;
235 VikTrack *realtime_track;
236 gchar *realtime_track_name;
238 GIOChannel *realtime_io_channel;
239 guint realtime_io_watch_id;
240 guint realtime_retry_timer;
241 GdkGC *realtime_track_gc;
242 GdkGC *realtime_track_bg_gc;
243 GdkGC *realtime_track_pt_gc;
244 GdkGC *realtime_track_pt1_gc;
245 GdkGC *realtime_track_pt2_gc;
250 gint gpsd_retry_interval;
251 gboolean realtime_record;
252 gboolean realtime_jump_to_start;
253 guint vehicle_position;
254 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
256 guint serial_port_id;
259 GType vik_gps_layer_get_type ()
261 static GType val_type = 0;
265 static const GTypeInfo val_info =
267 sizeof (VikGpsLayerClass),
268 NULL, /* base_init */
269 NULL, /* base_finalize */
270 NULL, /* class init */
271 NULL, /* class_finalize */
272 NULL, /* class_data */
273 sizeof (VikGpsLayer),
275 NULL /* instance init */
277 val_type = g_type_register_static ( VIK_LAYER_TYPE, "VikGpsLayer", &val_info, 0 );
283 static VikGpsLayer *vik_gps_layer_create (VikViewport *vp)
287 VikGpsLayer *rv = vik_gps_layer_new (vp);
288 vik_layer_rename ( VIK_LAYER(rv), vik_gps_layer_interface.name );
290 for (i = 0; i < NUM_TRW; i++) {
291 rv->trw_children[i] = VIK_TRW_LAYER(vik_layer_create ( VIK_LAYER_TRW, vp, NULL, FALSE ));
292 vik_layer_set_menu_items_selection(VIK_LAYER(rv->trw_children[i]), VIK_MENU_ITEM_ALL & ~(VIK_MENU_ITEM_CUT|VIK_MENU_ITEM_DELETE));
298 static void gps_layer_marshall( VikGpsLayer *vgl, guint8 **data, gint *datalen )
300 VikLayer *child_layer;
303 GByteArray* b = g_byte_array_new ();
307 #define alm_append(obj, sz) \
309 g_byte_array_append ( b, (guint8 *)&len, sizeof(len) ); \
310 g_byte_array_append ( b, (guint8 *)(obj), len );
312 vik_layer_marshall_params(VIK_LAYER(vgl), &ld, &ll);
316 for (i = 0; i < NUM_TRW; i++) {
317 child_layer = VIK_LAYER(vgl->trw_children[i]);
318 vik_layer_marshall(child_layer, &ld, &ll);
326 g_byte_array_free(b, FALSE);
331 static VikGpsLayer *gps_layer_unmarshall( guint8 *data, gint len, VikViewport *vvp )
333 #define alm_size (*(gint *)data)
335 len -= sizeof(gint) + alm_size; \
336 data += sizeof(gint) + alm_size;
338 VikGpsLayer *rv = vik_gps_layer_new();
339 VikLayer *child_layer;
342 vik_layer_unmarshall_params ( VIK_LAYER(rv), data+sizeof(gint), alm_size, vvp );
346 while (len>0 && i < NUM_TRW) {
347 child_layer = vik_layer_unmarshall ( data + sizeof(gint), alm_size, vvp );
349 rv->trw_children[i++] = (VikTrwLayer *)child_layer;
350 g_signal_connect_swapped ( G_OBJECT(child_layer), "update", G_CALLBACK(vik_layer_emit_update_secondary), rv );
354 // g_print("gps_layer_unmarshall ended with len=%d\n", len);
361 static gboolean gps_layer_set_param ( VikGpsLayer *vgl, guint16 id, VikLayerParamData data, VikViewport *vp )
366 if (data.u < NUM_PROTOCOLS)
367 vgl->protocol_id = data.u;
369 g_warning(_("Unknown GPS Protocol"));
372 if (data.u < NUM_PORTS)
373 vgl->serial_port_id = data.u;
375 g_warning(_("Unknown serial port device"));
377 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
378 case PARAM_GPSD_HOST:
380 g_free(vgl->gpsd_host);
381 vgl->gpsd_host = g_strdup(data.s);
383 case PARAM_GPSD_PORT:
385 g_free(vgl->gpsd_port);
386 vgl->gpsd_port = g_strdup(data.s); /* TODO: check for number */
388 case PARAM_GPSD_RETRY_INTERVAL:
389 vgl->gpsd_retry_interval = strtol(data.s, NULL, 10);
391 case PARAM_REALTIME_REC:
392 vgl->realtime_record = data.b;
394 case PARAM_REALTIME_CENTER_START:
395 vgl->realtime_jump_to_start = data.b;
397 case PARAM_VEHICLE_POSITION:
398 vgl->vehicle_position = data.u;
400 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
402 g_warning("gps_layer_set_param(): unknown parameter");
408 static VikLayerParamData gps_layer_get_param ( VikGpsLayer *vgl, guint16 id )
410 VikLayerParamData rv;
414 rv.u = vgl->protocol_id;
417 rv.u = vgl->serial_port_id;
419 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
420 case PARAM_GPSD_HOST:
421 rv.s = vgl->gpsd_host ? vgl->gpsd_host : "";
423 case PARAM_GPSD_PORT:
424 rv.s = vgl->gpsd_port ? vgl->gpsd_port : g_strdup(DEFAULT_GPSD_PORT);
426 case PARAM_GPSD_RETRY_INTERVAL:
427 rv.s = g_strdup_printf("%d", vgl->gpsd_retry_interval);
429 case PARAM_REALTIME_REC:
430 rv.b = vgl->realtime_record;
432 case PARAM_REALTIME_CENTER_START:
433 rv.b = vgl->realtime_jump_to_start;
435 case PARAM_VEHICLE_POSITION:
436 rv.u = vgl->vehicle_position;
438 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
440 g_warning(_("%s: unknown parameter"), __FUNCTION__);
446 VikGpsLayer *vik_gps_layer_new (VikViewport *vp)
449 VikGpsLayer *vgl = VIK_GPS_LAYER ( g_object_new ( VIK_GPS_LAYER_TYPE, NULL ) );
450 vik_layer_init ( VIK_LAYER(vgl), VIK_LAYER_GPS );
451 for (i = 0; i < NUM_TRW; i++) {
452 vgl->trw_children[i] = NULL;
454 vgl->children = NULL;
455 vgl->cur_read_child = 0;
457 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
458 vgl->realtime_tracking = FALSE;
459 vgl->first_realtime_trackpoint = FALSE;
461 vgl->realtime_io_channel = NULL;
462 vgl->realtime_io_watch_id = 0;
463 vgl->realtime_retry_timer = 0;
464 vgl->realtime_track_gc = vik_viewport_new_gc ( vp, "#203070", 2 );
465 vgl->realtime_track_bg_gc = vik_viewport_new_gc ( vp, "grey", 2 );
466 vgl->realtime_track_pt1_gc = vik_viewport_new_gc ( vp, "red", 2 );
467 vgl->realtime_track_pt2_gc = vik_viewport_new_gc ( vp, "green", 2 );
468 vgl->realtime_track_pt_gc = vgl->realtime_track_pt1_gc;
469 vgl->realtime_gpsd_unit = gpsd_units();
470 // fprintf(stderr, "DEBUG: gpsd_unit = %d\n", vgl->realtime_gpsd_unit);
471 vgl->realtime_track = NULL;
473 /* Setting params here */
474 vgl->gpsd_host = g_strdup("localhost");
475 vgl->gpsd_port = g_strdup(DEFAULT_GPSD_PORT);
476 vgl->realtime_record = TRUE;
477 vgl->realtime_jump_to_start = TRUE;
478 vgl->vehicle_position = VEHICLE_POSITION_ON_SCREEN;
479 vgl->gpsd_retry_interval = 10;
480 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
481 vgl->protocol_id = 0;
482 vgl->serial_port_id = 0;
487 static void vik_gps_layer_draw ( VikGpsLayer *vgl, gpointer data )
491 VikLayer *trigger = VIK_LAYER(vik_viewport_get_trigger( VIK_VIEWPORT(data) ));
493 for (i = 0; i < NUM_TRW; i++) {
494 vl = VIK_LAYER(vgl->trw_children[i]);
496 if ( vik_viewport_get_half_drawn ( VIK_VIEWPORT(data) ) ) {
497 vik_viewport_set_half_drawn ( VIK_VIEWPORT(data), FALSE );
498 vik_viewport_snapshot_load( VIK_VIEWPORT(data) );
500 vik_viewport_snapshot_save( VIK_VIEWPORT(data) );
503 if (!vik_viewport_get_half_drawn( VIK_VIEWPORT(data)))
504 vik_layer_draw ( vl, data );
506 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
507 if (vgl->realtime_tracking) {
508 if (VIK_LAYER(vgl) == trigger) {
509 if ( vik_viewport_get_half_drawn ( VIK_VIEWPORT(data) ) ) {
510 vik_viewport_set_half_drawn ( VIK_VIEWPORT(data), FALSE );
511 vik_viewport_snapshot_load( VIK_VIEWPORT(data) );
513 vik_viewport_snapshot_save( VIK_VIEWPORT(data) );
516 if (!vik_viewport_get_half_drawn( VIK_VIEWPORT(data)))
517 realtime_tracking_draw(vgl, VIK_VIEWPORT(data));
519 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
522 static void gps_layer_change_coord_mode ( VikGpsLayer *vgl, VikCoordMode mode )
525 for (i = 0; i < NUM_TRW; i++) {
526 vik_layer_change_coord_mode(VIK_LAYER(vgl->trw_children[i]), mode);
530 static void gps_layer_add_menu_items( VikGpsLayer *vgl, GtkMenu *menu, gpointer vlp )
532 static gpointer pass_along[2];
537 item = gtk_menu_item_new();
538 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
539 gtk_widget_show ( item );
541 item = gtk_menu_item_new_with_label ( _("Upload to GPS") );
542 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_upload_cb), pass_along );
543 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
544 gtk_widget_show ( item );
546 item = gtk_menu_item_new_with_label ( _("Download from GPS") );
547 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_download_cb), pass_along );
548 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
549 gtk_widget_show ( item );
551 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
552 item = gtk_menu_item_new_with_label ( vgl->realtime_tracking ?
553 "Stop realtime tracking" :
554 "Start realtime tracking" );
555 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_start_stop_tracking_cb), pass_along );
556 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
557 gtk_widget_show ( item );
559 item = gtk_menu_item_new();
560 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
561 gtk_widget_show ( item );
562 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
564 item = gtk_menu_item_new_with_label ( _("Empty Upload") );
565 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_empty_upload_cb), pass_along );
566 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
567 gtk_widget_show ( item );
569 item = gtk_menu_item_new_with_label ( _("Empty Download") );
570 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_empty_download_cb), pass_along );
571 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
572 gtk_widget_show ( item );
574 item = gtk_menu_item_new_with_label ( _("Empty All") );
575 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_empty_all_cb), pass_along );
576 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
577 gtk_widget_show ( item );
581 static void disconnect_layer_signal ( VikLayer *vl, VikGpsLayer *vgl )
583 g_assert(DISCONNECT_UPDATE_SIGNAL(vl,vgl)==1);
586 static void vik_gps_layer_free ( VikGpsLayer *vgl )
589 for (i = 0; i < NUM_TRW; i++) {
590 if (vgl->vl.realized)
591 disconnect_layer_signal(VIK_LAYER(vgl->trw_children[i]), vgl);
592 g_object_unref(vgl->trw_children[i]);
594 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
595 if (vgl->realtime_track_gc != NULL)
596 g_object_unref(vgl->realtime_track_gc);
597 if (vgl->realtime_track_bg_gc != NULL)
598 g_object_unref(vgl->realtime_track_bg_gc);
599 if (vgl->realtime_track_pt1_gc != NULL)
600 g_object_unref(vgl->realtime_track_pt1_gc);
601 if (vgl->realtime_track_pt2_gc != NULL)
602 g_object_unref(vgl->realtime_track_pt2_gc);
603 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
606 gboolean vik_gps_layer_delete ( VikGpsLayer *vgl, GtkTreeIter *iter )
609 VikLayer *l = VIK_LAYER( vik_treeview_item_get_pointer ( VIK_LAYER(vgl)->vt, iter ) );
610 gboolean was_visible = l->visible;
612 vik_treeview_item_delete ( VIK_LAYER(vgl)->vt, iter );
613 for (i = 0; i < NUM_TRW; i++) {
614 if (VIK_LAYER(vgl->trw_children[i]) == l)
615 vgl->trw_children[i] = NULL;
617 g_assert(DISCONNECT_UPDATE_SIGNAL(l,vgl)==1);
618 g_object_unref ( l );
623 static void vik_gps_layer_realize ( VikGpsLayer *vgl, VikTreeview *vt, GtkTreeIter *layer_iter )
628 for (ix = 0; ix < NUM_TRW; ix++) {
629 VikLayer * trw = VIK_LAYER(vgl->trw_children[ix]);
630 vik_treeview_add_layer ( VIK_LAYER(vgl)->vt, layer_iter, &iter,
631 _(trw_names[ix]), vgl,
632 trw, trw->type, trw->type );
633 if ( ! trw->visible )
634 vik_treeview_item_set_visible ( VIK_LAYER(vgl)->vt, &iter, FALSE );
635 vik_layer_realize ( trw, VIK_LAYER(vgl)->vt, &iter );
636 g_signal_connect_swapped ( G_OBJECT(trw), "update", G_CALLBACK(vik_layer_emit_update_secondary), vgl );
640 const GList *vik_gps_layer_get_children ( VikGpsLayer *vgl )
644 if (vgl->children == NULL) {
645 for (i = NUM_TRW - 1; i >= 0; i--)
646 vgl->children = g_list_prepend(vgl->children, vgl->trw_children[i]);
648 return vgl->children;
651 VikTrwLayer * vik_gps_layer_get_a_child(VikGpsLayer *vgl)
653 g_assert ((vgl->cur_read_child >= 0) && (vgl->cur_read_child < NUM_TRW));
655 VikTrwLayer * vtl = vgl->trw_children[vgl->cur_read_child];
656 if (++(vgl->cur_read_child) >= NUM_TRW)
657 vgl->cur_read_child = 0;
661 gboolean vik_gps_layer_is_empty ( VikGpsLayer *vgl )
663 if ( vgl->trw_children[0] )
668 static void gps_layer_drag_drop_request ( VikGpsLayer *val_src, VikGpsLayer *val_dest, GtkTreeIter *src_item_iter, GtkTreePath *dest_path )
670 VikTreeview *vt = VIK_LAYER(val_src)->vt;
671 VikLayer *vl = vik_treeview_item_get_pointer(vt, src_item_iter);
672 GtkTreeIter dest_iter;
674 gboolean target_exists;
676 dp = gtk_tree_path_to_string(dest_path);
677 target_exists = vik_treeview_get_iter_from_path_str(vt, &dest_iter, dp);
679 /* vik_gps_layer_delete unrefs, but we don't want that here.
680 * we're still using the layer. */
682 vik_gps_layer_delete(val_src, src_item_iter);
687 static void gps_session_delete(GpsSession *sess)
690 g_mutex_free(sess->mutex);
691 g_free(sess->cmd_args);
697 static void set_total_count(gint cnt, GpsSession *sess)
701 g_mutex_lock(sess->mutex);
703 const gchar *tmp_str;
704 if (sess->direction == GPS_DOWN)
706 if (sess->progress_label == sess->wp_label)
707 tmp_str = ngettext("Downloading %d waypoint...", "Downloading %d waypoints...", cnt);
709 tmp_str = ngettext("Downloading %d trackpoint...", "Downloading %d trackpoints...", cnt);
713 if (sess->progress_label == sess->wp_label)
714 tmp_str = ngettext("Uploading %d waypoint...", "Uploading %d waypoints...", cnt);
716 tmp_str = ngettext("Uploading %d trackpoint...", "Uploading %d trackpoints...", cnt);
719 g_snprintf(s, 128, tmp_str, cnt);
720 gtk_label_set_text ( GTK_LABEL(sess->progress_label), s );
721 gtk_widget_show ( sess->progress_label );
722 sess->total_count = cnt;
724 g_mutex_unlock(sess->mutex);
728 static void set_current_count(gint cnt, GpsSession *sess)
731 const gchar *tmp_str;
734 g_mutex_lock(sess->mutex);
736 if (cnt < sess->total_count) {
737 if (sess->direction == GPS_DOWN)
739 if (sess->progress_label == sess->wp_label)
740 tmp_str = ngettext("Downloaded %d out of %d waypoint...", "Downloaded %d out of %d waypoints...", sess->total_count);
742 tmp_str = ngettext("Downloaded %d out of %d trackpoint...", "Downloaded %d out of %d trackpoints...", sess->total_count);
745 if (sess->progress_label == sess->wp_label)
746 tmp_str = ngettext("Uploaded %d out of %d waypoint...", "Uploaded %d out of %d waypoints...", sess->total_count);
748 tmp_str = ngettext("Uploaded %d out of %d trackpoint...", "Uploaded %d out of %d trackpoints...", sess->total_count);
750 g_snprintf(s, 128, tmp_str, cnt, sess->total_count);
752 if (sess->direction == GPS_DOWN)
754 if (sess->progress_label == sess->wp_label)
755 tmp_str = ngettext("Downloaded %d waypoint", "Downloaded %d waypoints", cnt);
757 tmp_str = ngettext("Downloaded %d trackpoint", "Downloaded %d trackpoints", cnt);
760 if (sess->progress_label == sess->wp_label)
761 tmp_str = ngettext("Uploaded %d waypoint", "Uploaded %d waypoints", cnt);
763 tmp_str = ngettext("Uploaded %d trackpoint", "Uploaded %d trackpoints", cnt);
765 g_snprintf(s, 128, tmp_str, cnt);
767 gtk_label_set_text ( GTK_LABEL(sess->progress_label), s );
769 g_mutex_unlock(sess->mutex);
773 static void set_gps_info(const gchar *info, GpsSession *sess)
777 g_mutex_lock(sess->mutex);
779 g_snprintf(s, 256, _("GPS Device: %s"), info);
780 gtk_label_set_text ( GTK_LABEL(sess->gps_label), s );
782 g_mutex_unlock(sess->mutex);
786 static void gps_download_progress_func(BabelProgressCode c, gpointer data, GpsSession * sess )
790 gdk_threads_enter ();
791 g_mutex_lock(sess->mutex);
793 g_mutex_unlock(sess->mutex);
794 gps_session_delete(sess);
796 g_thread_exit ( NULL );
798 g_mutex_unlock(sess->mutex);
799 gdk_threads_leave ();
802 case BABEL_DIAG_OUTPUT:
803 line = (gchar *)data;
805 /* tells us how many items there will be */
806 if (strstr(line, "Xfer Wpt")) {
807 sess->progress_label = sess->wp_label;
809 if (strstr(line, "Xfer Trk")) {
810 sess->progress_label = sess->trk_label;
812 if (strstr(line, "PRDDAT")) {
813 gchar **tokens = g_strsplit(line, " ", 0);
819 while (tokens[n_tokens])
823 for (i=8; tokens[i] && ilen < sizeof(info)-2 && strcmp(tokens[i], "00"); i++) {
825 sscanf(tokens[i], "%x", &ch);
829 set_gps_info(info, sess);
833 if (strstr(line, "RECORD")) {
836 if (strlen(line) > 20) {
837 sscanf(line+17, "%x", &lsb);
838 sscanf(line+20, "%x", &msb);
839 cnt = lsb + msb * 256;
840 set_total_count(cnt, sess);
844 if ( strstr(line, "WPTDAT") || strstr(line, "TRKHDR") || strstr(line, "TRKDAT") ) {
846 set_current_count(sess->count, sess);
857 static void gps_upload_progress_func(BabelProgressCode c, gpointer data, GpsSession * sess )
862 gdk_threads_enter ();
863 g_mutex_lock(sess->mutex);
865 g_mutex_unlock(sess->mutex);
866 gps_session_delete(sess);
868 g_thread_exit ( NULL );
870 g_mutex_unlock(sess->mutex);
871 gdk_threads_leave ();
874 case BABEL_DIAG_OUTPUT:
875 line = (gchar *)data;
877 if (strstr(line, "PRDDAT")) {
878 gchar **tokens = g_strsplit(line, " ", 0);
884 while (tokens[n_tokens])
888 for (i=8; tokens[i] && ilen < sizeof(info)-2 && strcmp(tokens[i], "00"); i++) {
890 sscanf(tokens[i], "%x", &ch);
894 set_gps_info(info, sess);
898 if (strstr(line, "RECORD")) {
901 if (strlen(line) > 20) {
902 sscanf(line+17, "%x", &lsb);
903 sscanf(line+20, "%x", &msb);
904 cnt = lsb + msb * 256;
905 /* set_total_count(cnt, sess); */
909 if ( strstr(line, "WPTDAT")) {
910 if (sess->count == 0) {
911 sess->progress_label = sess->wp_label;
912 set_total_count(cnt, sess);
915 set_current_count(sess->count, sess);
918 if ( strstr(line, "TRKHDR") || strstr(line, "TRKDAT") ) {
919 if (sess->count == 0) {
920 sess->progress_label = sess->trk_label;
921 set_total_count(cnt, sess);
924 set_current_count(sess->count, sess);
935 static void gps_comm_thread(GpsSession *sess)
939 if (sess->direction == GPS_DOWN)
940 result = a_babel_convert_from (sess->vtl, sess->cmd_args,
941 (BabelStatusFunc) gps_download_progress_func, sess->port, sess);
943 result = a_babel_convert_to (sess->vtl, sess->cmd_args,
944 (BabelStatusFunc) gps_upload_progress_func, sess->port, sess);
948 gtk_label_set_text ( GTK_LABEL(sess->status_label), _("Error: couldn't find gpsbabel.") );
951 g_mutex_lock(sess->mutex);
953 gtk_label_set_text ( GTK_LABEL(sess->status_label), _("Done.") );
954 gtk_dialog_set_response_sensitive ( GTK_DIALOG(sess->dialog), GTK_RESPONSE_ACCEPT, TRUE );
955 gtk_dialog_set_response_sensitive ( GTK_DIALOG(sess->dialog), GTK_RESPONSE_REJECT, FALSE );
959 g_mutex_unlock(sess->mutex);
962 g_mutex_lock(sess->mutex);
965 g_mutex_unlock(sess->mutex);
968 g_mutex_unlock(sess->mutex);
969 gps_session_delete(sess);
975 static gint gps_comm(VikTrwLayer *vtl, gps_dir dir, vik_gps_proto proto, gchar *port) {
976 GpsSession *sess = g_malloc(sizeof(GpsSession));
978 sess->mutex = g_mutex_new();
979 sess->direction = dir;
981 sess->port = g_strdup(port);
983 sess->cmd_args = g_strdup_printf("-D 9 -t -w -%c %s",
984 (dir == GPS_DOWN) ? 'i' : 'o', protocols_args[proto]);
985 sess->window_title = (dir == GPS_DOWN) ? _("GPS Download") : _("GPS Upload");
987 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 );
988 gtk_dialog_set_response_sensitive ( GTK_DIALOG(sess->dialog),
989 GTK_RESPONSE_ACCEPT, FALSE );
990 gtk_window_set_title ( GTK_WINDOW(sess->dialog), sess->window_title );
992 sess->status_label = gtk_label_new (_("Status: detecting gpsbabel"));
993 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(sess->dialog)->vbox),
994 sess->status_label, FALSE, FALSE, 5 );
995 gtk_widget_show_all(sess->status_label);
997 sess->gps_label = gtk_label_new (_("GPS device: N/A"));
998 sess->ver_label = gtk_label_new ("");
999 sess->id_label = gtk_label_new ("");
1000 sess->wp_label = gtk_label_new ("");
1001 sess->trk_label = gtk_label_new ("");
1003 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(sess->dialog)->vbox), sess->gps_label, FALSE, FALSE, 5 );
1004 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(sess->dialog)->vbox), sess->wp_label, FALSE, FALSE, 5 );
1005 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(sess->dialog)->vbox), sess->trk_label, FALSE, FALSE, 5 );
1007 gtk_widget_show_all(sess->dialog);
1009 sess->progress_label = sess->wp_label;
1010 sess->total_count = -1;
1012 /* TODO: starting gps read/write thread here */
1013 g_thread_create((GThreadFunc)gps_comm_thread, sess, FALSE, NULL );
1015 gtk_dialog_run(GTK_DIALOG(sess->dialog));
1017 gtk_widget_destroy(sess->dialog);
1019 g_mutex_lock(sess->mutex);
1021 sess->ok = FALSE; /* tell thread to stop */
1022 g_mutex_unlock(sess->mutex);
1025 g_mutex_unlock(sess->mutex);
1026 gps_session_delete(sess);
1032 static void gps_upload_cb( gpointer layer_and_vlp[2] )
1034 VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
1035 VikTrwLayer *vtl = vgl->trw_children[TRW_UPLOAD];
1036 gps_comm(vtl, GPS_UP, vgl->protocol_id, params_ports[vgl->serial_port_id]);
1039 static void gps_download_cb( gpointer layer_and_vlp[2] )
1041 VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
1042 VikTrwLayer *vtl = vgl->trw_children[TRW_DOWNLOAD];
1043 gps_comm(vtl, GPS_DOWN, vgl->protocol_id, params_ports[vgl->serial_port_id]);
1046 static void gps_empty_upload_cb( gpointer layer_and_vlp[2] )
1048 VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
1049 vik_trw_layer_delete_all_waypoints ( vgl-> trw_children[TRW_UPLOAD]);
1050 vik_trw_layer_delete_all_tracks ( vgl-> trw_children[TRW_UPLOAD]);
1053 static void gps_empty_download_cb( gpointer layer_and_vlp[2] )
1055 VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
1056 vik_trw_layer_delete_all_waypoints ( vgl-> trw_children[TRW_DOWNLOAD]);
1057 vik_trw_layer_delete_all_tracks ( vgl-> trw_children[TRW_DOWNLOAD]);
1060 static void gps_empty_all_cb( gpointer layer_and_vlp[2] )
1062 VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
1063 vik_trw_layer_delete_all_waypoints ( vgl-> trw_children[TRW_UPLOAD]);
1064 vik_trw_layer_delete_all_tracks ( vgl-> trw_children[TRW_UPLOAD]);
1065 vik_trw_layer_delete_all_waypoints ( vgl-> trw_children[TRW_DOWNLOAD]);
1066 vik_trw_layer_delete_all_tracks ( vgl-> trw_children[TRW_DOWNLOAD]);
1069 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
1070 static void rt_gpsd_disconnect(VikGpsLayer *vgl);
1071 static gboolean rt_gpsd_connect(VikGpsLayer *vgl, gboolean ask_if_failed);
1073 static void realtime_tracking_draw(VikGpsLayer *vgl, VikViewport *vp)
1077 struct LatLon lnw, lse;
1078 vik_viewport_screen_to_coord ( vp, -20, -20, &nw );
1079 vik_viewport_screen_to_coord ( vp, vik_viewport_get_width(vp)+20, vik_viewport_get_width(vp)+20, &se );
1080 vik_coord_to_latlon ( &nw, &lnw );
1081 vik_coord_to_latlon ( &se, &lse );
1082 if ( vgl->realtime_fix.fix.latitude > lse.lat &&
1083 vgl->realtime_fix.fix.latitude < lnw.lat &&
1084 vgl->realtime_fix.fix.longitude > lnw.lon &&
1085 vgl->realtime_fix.fix.longitude < lse.lon ) {
1088 gint half_back_x, half_back_y;
1089 gint half_back_bg_x, half_back_bg_y;
1091 gint ptbg_x, ptbg_y;
1092 gint side1_x, side1_y, side2_x, side2_y;
1093 gint side1bg_x, side1bg_y, side2bg_x, side2bg_y;
1095 ll.lat = vgl->realtime_fix.fix.latitude;
1096 ll.lon = vgl->realtime_fix.fix.longitude;
1097 vik_coord_load_from_latlon ( &gps, vik_viewport_get_coord_mode(vp), &ll);
1098 vik_viewport_coord_to_screen ( vp, &gps, &x, &y );
1100 gdouble heading_cos = cos(M_PI/180*vgl->realtime_fix.fix.track);
1101 gdouble heading_sin = sin(M_PI/180*vgl->realtime_fix.fix.track);
1103 half_back_y = y+8*heading_cos;
1104 half_back_x = x-8*heading_sin;
1105 half_back_bg_y = y+10*heading_cos;
1106 half_back_bg_x = x-10*heading_sin;
1108 pt_y = half_back_y-24*heading_cos;
1109 pt_x = half_back_x+24*heading_sin;
1110 ptbg_y = half_back_bg_y-28*heading_cos;
1111 ptbg_x = half_back_bg_x+28*heading_sin;
1113 side1_y = half_back_y+9*heading_sin;
1114 side1_x = half_back_x+9*heading_cos;
1115 side1bg_y = half_back_bg_y+11*heading_sin;
1116 side1bg_x = half_back_bg_x+11*heading_cos;
1118 side2_y = half_back_y-9*heading_sin;
1119 side2_x = half_back_x-9*heading_cos;
1120 side2bg_y = half_back_bg_y-11*heading_sin;
1121 side2bg_x = half_back_bg_x-11*heading_cos;
1123 GdkPoint trian[3] = { { pt_x, pt_y }, {side1_x, side1_y}, {side2_x, side2_y} };
1124 GdkPoint trian_bg[3] = { { ptbg_x, pt_y }, {side1bg_x, side1bg_y}, {side2bg_x, side2bg_y} };
1126 vik_viewport_draw_polygon ( vp, vgl->realtime_track_bg_gc, TRUE, trian_bg, 3 );
1127 vik_viewport_draw_polygon ( vp, vgl->realtime_track_gc, TRUE, trian, 3 );
1128 vik_viewport_draw_rectangle ( vp,
1129 (vgl->realtime_fix.fix.mode > MODE_2D) ? vgl->realtime_track_pt2_gc : vgl->realtime_track_pt1_gc,
1130 TRUE, x-2, y-2, 4, 4 );
1131 //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;
1135 static void create_realtime_trackpoint(VikGpsLayer *vgl, gboolean forced)
1140 /* Note that fix.time is a double, but it should not affect the precision
1142 time_t cur_timestamp = vgl->realtime_fix.fix.time;
1143 time_t last_timestamp = vgl->last_fix.fix.time;
1145 if (cur_timestamp < last_timestamp) {
1149 if (vgl->realtime_record && vgl->realtime_fix.dirty) {
1150 gboolean replace = FALSE;
1151 int heading = (int)floor(vgl->realtime_fix.fix.track);
1152 int last_heading = (int)floor(vgl->last_fix.fix.track);
1153 int alt = isnan(vgl->realtime_fix.fix.altitude) ? VIK_DEFAULT_ALTITUDE : floor(vgl->realtime_fix.fix.altitude);
1154 int last_alt = isnan(vgl->last_fix.fix.altitude) ? VIK_DEFAULT_ALTITUDE : floor(vgl->last_fix.fix.altitude);
1155 if (((last_tp = g_list_last(vgl->realtime_track->trackpoints)) != NULL) &&
1156 (vgl->realtime_fix.fix.mode > MODE_2D) &&
1157 (vgl->last_fix.fix.mode <= MODE_2D) &&
1158 ((cur_timestamp - last_timestamp) < 2)) {
1159 g_free(last_tp->data);
1160 vgl->realtime_track->trackpoints = g_list_delete_link(vgl->realtime_track->trackpoints, last_tp);
1164 ((cur_timestamp != last_timestamp) &&
1166 ((heading < last_heading) && (heading < (last_heading - 3))) ||
1167 ((heading > last_heading) && (heading > (last_heading + 3))) ||
1168 ((alt != VIK_DEFAULT_ALTITUDE) && (alt != last_alt)))))) {
1169 /* TODO: check for new segments */
1170 VikTrackpoint *tp = vik_trackpoint_new();
1171 tp->newsegment = FALSE;
1172 tp->has_timestamp = TRUE;
1173 tp->timestamp = vgl->realtime_fix.fix.time;
1175 /* speed only available for 3D fix. Check for NAN when use this speed */
1176 tp->speed = vgl->realtime_fix.fix.speed;
1177 tp->course = vgl->realtime_fix.fix.track;
1178 tp->nsats = vgl->realtime_fix.satellites_used;
1179 tp->fix_mode = vgl->realtime_fix.fix.mode;
1180 tp->extended = TRUE;
1182 ll.lat = vgl->realtime_fix.fix.latitude;
1183 ll.lon = vgl->realtime_fix.fix.longitude;
1184 vik_coord_load_from_latlon(&tp->coord,
1185 vik_trw_layer_get_coord_mode(vgl->trw_children[TRW_REALTIME]), &ll);
1187 vgl->realtime_track->trackpoints = g_list_append(vgl->realtime_track->trackpoints, tp);
1188 vgl->realtime_fix.dirty = FALSE;
1189 vgl->realtime_fix.satellites_used = 0;
1190 vgl->last_fix = vgl->realtime_fix;
1196 static void gpsd_raw_hook(VglGpsd *vgpsd, gchar *data)
1198 gboolean update_all = FALSE;
1199 VikGpsLayer *vgl = vgpsd->vgl;
1201 if (!vgl->realtime_tracking) {
1202 g_warning("%s: receiving GPS data while not in realtime mode", __PRETTY_FUNCTION__);
1206 if ((vgpsd->gpsd.fix.mode >= MODE_2D) &&
1207 !isnan(vgpsd->gpsd.fix.latitude) &&
1208 !isnan(vgpsd->gpsd.fix.longitude) &&
1209 !isnan(vgpsd->gpsd.fix.track)) {
1211 VikWindow *vw = VIK_WINDOW(VIK_GTK_WINDOW_FROM_LAYER(vgl));
1212 VikViewport *vvp = vik_window_viewport(vw);
1213 vgl->realtime_fix.fix = vgpsd->gpsd.fix;
1214 vgl->realtime_fix.satellites_used = vgpsd->gpsd.satellites_used;
1215 vgl->realtime_fix.dirty = TRUE;
1218 VikCoord vehicle_coord;
1220 ll.lat = vgl->realtime_fix.fix.latitude;
1221 ll.lon = vgl->realtime_fix.fix.longitude;
1222 vik_coord_load_from_latlon(&vehicle_coord,
1223 vik_trw_layer_get_coord_mode(vgl->trw_children[TRW_REALTIME]), &ll);
1225 if ((vgl->vehicle_position == VEHICLE_POSITION_CENTERED) ||
1226 (vgl->realtime_jump_to_start && vgl->first_realtime_trackpoint)) {
1227 vik_viewport_set_center_coord(vvp, &vehicle_coord);
1233 const int px = 20; /* adjust ment in pixels to make sure vehicle is inside the box */
1234 gint width = vik_viewport_get_width(vvp);
1235 gint height = vik_viewport_get_height(vvp);
1238 vik_viewport_coord_to_screen(vvp, &vehicle_coord, &vx, &vy);
1240 if (vx < (width/hdiv))
1241 vik_viewport_set_center_screen(vvp, vx - width/2 + width/hdiv + px, vy);
1242 else if (vx > (width - width/hdiv))
1243 vik_viewport_set_center_screen(vvp, vx + width/2 - width/hdiv - px, vy);
1244 else if (vy < (height/vdiv))
1245 vik_viewport_set_center_screen(vvp, vx, vy - height/2 + height/vdiv + px);
1246 else if (vy > (height - height/vdiv))
1247 vik_viewport_set_center_screen(vvp, vx, vy + height/2 - height/vdiv - px);
1252 vgl->first_realtime_trackpoint = FALSE;
1253 create_realtime_trackpoint(vgl, FALSE);
1255 vik_layer_emit_update ( update_all ? VIK_LAYER(vgl) : VIK_LAYER(vgl->trw_children[TRW_REALTIME]));
1259 static gboolean gpsd_data_available(GIOChannel *source, GIOCondition condition, gpointer data)
1261 VikGpsLayer *vgl = data;
1262 if (condition == G_IO_IN) {
1263 if (!gps_poll(&vgl->vgpsd->gpsd))
1266 g_warning("Disconnected from gpsd. Trying to reconnect");
1267 rt_gpsd_disconnect(vgl);
1268 rt_gpsd_connect(vgl, FALSE);
1271 return FALSE; /* no further calling */
1274 static gchar *make_track_name(VikTrwLayer *vtl)
1276 const gchar basename[] = "REALTIME";
1277 const gint bufsize = sizeof(basename) + 5;
1278 gchar *name = g_malloc(bufsize);
1279 strcpy(name, basename);
1282 while (vik_trw_layer_get_track(vtl, name) != NULL) {
1283 g_snprintf(name, bufsize, "%s#%d", basename, i);
1290 static gboolean rt_gpsd_try_connect(gpointer *data)
1292 VikGpsLayer *vgl = (VikGpsLayer *)data;
1293 struct gps_data_t *gpsd = gps_open(vgl->gpsd_host, vgl->gpsd_port);
1296 g_warning("Failed to connect to gpsd at %s (port %s). Will retry in %d seconds",
1297 vgl->gpsd_host, vgl->gpsd_port, vgl->gpsd_retry_interval);
1298 return TRUE; /* keep timer running */
1301 vgl->vgpsd = g_realloc(gpsd, sizeof(VglGpsd));
1302 vgl->vgpsd->vgl = vgl;
1304 vgl->realtime_fix.dirty = vgl->last_fix.dirty = FALSE;
1305 /* track alt/time graph uses VIK_DEFAULT_ALTITUDE (0.0) as invalid */
1306 vgl->realtime_fix.fix.altitude = vgl->last_fix.fix.altitude = VIK_DEFAULT_ALTITUDE;
1307 vgl->realtime_fix.fix.speed = vgl->last_fix.fix.speed = NAN;
1309 if (vgl->realtime_record) {
1310 VikTrwLayer *vtl = vgl->trw_children[TRW_REALTIME];
1311 vgl->realtime_track = vik_track_new();
1312 vgl->realtime_track->visible = TRUE;
1313 vgl->realtime_track_name = make_track_name(vtl);
1314 vik_trw_layer_add_track(vtl, vgl->realtime_track_name, vgl->realtime_track);
1317 gps_set_raw_hook(&vgl->vgpsd->gpsd, gpsd_raw_hook);
1318 vgl->realtime_io_channel = g_io_channel_unix_new(vgl->vgpsd->gpsd.gps_fd);
1319 vgl->realtime_io_watch_id = g_io_add_watch( vgl->realtime_io_channel,
1320 G_IO_IN | G_IO_ERR | G_IO_HUP, gpsd_data_available, vgl);
1321 gps_query(&vgl->vgpsd->gpsd, "w+x");
1322 return FALSE; /* no longer called by timeout */
1325 static gboolean rt_ask_retry(VikGpsLayer *vgl)
1327 GtkWidget *dialog = gtk_message_dialog_new (VIK_GTK_WINDOW_FROM_LAYER(vgl),
1328 GTK_DIALOG_DESTROY_WITH_PARENT,
1329 GTK_MESSAGE_QUESTION,
1331 "Failed to connect to gpsd at %s (port %s)\n"
1332 "Should Viking keep trying (every %d seconds)?",
1333 vgl->gpsd_host, vgl->gpsd_port,
1334 vgl->gpsd_retry_interval);
1336 gint res = gtk_dialog_run(GTK_DIALOG(dialog));
1337 gtk_widget_destroy(dialog);
1338 return (res == GTK_RESPONSE_YES);
1341 static gboolean rt_gpsd_connect(VikGpsLayer *vgl, gboolean ask_if_failed)
1343 vgl->realtime_retry_timer = 0;
1344 if (rt_gpsd_try_connect((gpointer *)vgl)) {
1345 if (vgl->gpsd_retry_interval <= 0) {
1346 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);
1349 else if (ask_if_failed && !rt_ask_retry(vgl))
1352 vgl->realtime_retry_timer = g_timeout_add_seconds(vgl->gpsd_retry_interval,
1353 (GSourceFunc)rt_gpsd_try_connect, (gpointer *)vgl);
1358 static void rt_gpsd_disconnect(VikGpsLayer *vgl)
1360 if (vgl->realtime_io_watch_id) {
1361 g_source_remove(vgl->realtime_io_watch_id);
1362 vgl->realtime_io_watch_id = 0;
1364 if (vgl->realtime_retry_timer) {
1365 g_source_remove(vgl->realtime_retry_timer);
1366 vgl->realtime_retry_timer = 0;
1368 if (vgl->realtime_io_channel) {
1369 GError *error = NULL;
1370 g_io_channel_shutdown (vgl->realtime_io_channel, FALSE, &error);
1371 vgl->realtime_io_channel = NULL;
1374 gps_close(&vgl->vgpsd->gpsd);
1378 if (vgl->realtime_record && vgl->realtime_track) {
1379 create_realtime_trackpoint(vgl, TRUE);
1380 if ((vgl->realtime_track->trackpoints == NULL) || (vgl->realtime_track->trackpoints->next == NULL))
1381 vik_trw_layer_delete_track(vgl->trw_children[TRW_REALTIME], vgl->realtime_track_name);
1382 vgl->realtime_track = NULL;
1386 static void gps_start_stop_tracking_cb( gpointer layer_and_vlp[2])
1388 VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
1389 vgl->realtime_tracking = (vgl->realtime_tracking == FALSE);
1391 /* Make sure we are still in the boat with libgps */
1392 g_assert((VIK_GPS_MODE_2D == MODE_2D) && (VIK_GPS_MODE_3D == MODE_3D));
1394 if (vgl->realtime_tracking) {
1395 vgl->first_realtime_trackpoint = TRUE;
1396 if (!rt_gpsd_connect(vgl, TRUE)) {
1397 vgl->first_realtime_trackpoint = FALSE;
1398 vgl->realtime_tracking = FALSE;
1401 else { /* stop realtime tracking */
1402 vgl->first_realtime_trackpoint = FALSE;
1403 rt_gpsd_disconnect(vgl);
1406 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */