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
31 #include "icons/icons.h"
40 #include <glib/gstdio.h>
41 #include <glib/gprintf.h>
42 #include <glib/gi18n.h>
43 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
47 #if ! GLIB_CHECK_VERSION(2,14,0)
48 inline guint g_timeout_add_seconds(guint interval, GSourceFunc function, gpointer data) {
49 return g_timeout_add(interval*1000, function, data);
53 #define DISCONNECT_UPDATE_SIGNAL(vl, val) g_signal_handlers_disconnect_matched(vl, G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, val)
54 static VikGpsLayer *vik_gps_layer_create (VikViewport *vp);
55 static void vik_gps_layer_realize ( VikGpsLayer *val, VikTreeview *vt, GtkTreeIter *layer_iter );
56 static void vik_gps_layer_free ( VikGpsLayer *val );
57 static void vik_gps_layer_draw ( VikGpsLayer *val, gpointer data );
58 static VikGpsLayer *vik_gps_layer_new ( VikViewport *vp );
60 static void gps_layer_marshall( VikGpsLayer *val, guint8 **data, gint *len );
61 static VikGpsLayer *gps_layer_unmarshall( guint8 *data, gint len, VikViewport *vvp );
62 static gboolean gps_layer_set_param ( VikGpsLayer *vgl, guint16 id, VikLayerParamData data, VikViewport *vp, gboolean is_file_operation );
63 static VikLayerParamData gps_layer_get_param ( VikGpsLayer *vgl, guint16 id, gboolean is_file_operation );
65 static void gps_layer_change_coord_mode ( VikGpsLayer *val, VikCoordMode mode );
66 static void gps_layer_add_menu_items( VikGpsLayer *vtl, GtkMenu *menu, gpointer vlp );
67 static void gps_layer_drag_drop_request ( VikGpsLayer *val_src, VikGpsLayer *val_dest, GtkTreeIter *src_item_iter, GtkTreePath *dest_path );
69 static void gps_upload_cb( gpointer layer_and_vlp[2] );
70 static void gps_download_cb( gpointer layer_and_vlp[2] );
71 static void gps_empty_upload_cb( gpointer layer_and_vlp[2] );
72 static void gps_empty_download_cb( gpointer layer_and_vlp[2] );
73 static void gps_empty_all_cb( gpointer layer_and_vlp[2] );
74 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
75 static void gps_start_stop_tracking_cb( gpointer layer_and_vlp[2] );
76 static void realtime_tracking_draw(VikGpsLayer *vgl, VikViewport *vp);
79 typedef enum {GARMIN_P = 0, MAGELLAN_P, NUM_PROTOCOLS} vik_gps_proto;
80 static gchar * params_protocols[] = {"Garmin", "Magellan", NULL};
81 static gchar * protocols_args[] = {"garmin", "magellan"};
82 /*#define NUM_PROTOCOLS (sizeof(params_protocols)/sizeof(params_protocols[0]) - 1) */
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)
97 typedef enum {GPS_DOWN=0, GPS_UP} gps_dir;
108 gchar * window_title;
110 GtkWidget *status_label;
111 GtkWidget *gps_label;
112 GtkWidget *ver_label;
115 GtkWidget *progress_label;
116 GtkWidget *trk_label;
118 static void gps_session_delete(GpsSession *sess);
120 static gchar *params_groups[] = {
122 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
123 "Realtime Tracking Mode",
127 enum {GROUP_DATA_MODE, GROUP_REALTIME_MODE};
129 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
130 static gchar *params_vehicle_position[] = {
131 "Keep vehicle at center",
132 "Keep vehicle on screen",
137 VEHICLE_POSITION_CENTERED = 0,
138 VEHICLE_POSITION_ON_SCREEN,
139 VEHICLE_POSITION_NONE,
143 static VikLayerParam gps_layer_params[] = {
144 { "gps_protocol", VIK_LAYER_PARAM_UINT, GROUP_DATA_MODE, N_("GPS Protocol:"), VIK_LAYER_WIDGET_COMBOBOX, params_protocols, NULL},
145 { "gps_port", VIK_LAYER_PARAM_STRING, GROUP_DATA_MODE, N_("Serial Port:"), VIK_LAYER_WIDGET_COMBOBOX, params_ports, NULL},
147 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
148 { "record_tracking", VIK_LAYER_PARAM_BOOLEAN, GROUP_REALTIME_MODE, N_("Recording tracks"), VIK_LAYER_WIDGET_CHECKBUTTON},
149 { "center_start_tracking", VIK_LAYER_PARAM_BOOLEAN, GROUP_REALTIME_MODE, N_("Jump to current position on start"), VIK_LAYER_WIDGET_CHECKBUTTON},
150 { "moving_map_method", VIK_LAYER_PARAM_UINT, GROUP_REALTIME_MODE, N_("Moving Map Method:"), VIK_LAYER_WIDGET_RADIOGROUP_STATIC, params_vehicle_position, NULL},
151 { "gpsd_host", VIK_LAYER_PARAM_STRING, GROUP_REALTIME_MODE, N_("Gpsd Host:"), VIK_LAYER_WIDGET_ENTRY},
152 { "gpsd_port", VIK_LAYER_PARAM_STRING, GROUP_REALTIME_MODE, N_("Gpsd Port:"), VIK_LAYER_WIDGET_ENTRY},
153 { "gpsd_retry_interval", VIK_LAYER_PARAM_STRING, GROUP_REALTIME_MODE, N_("Gpsd Retry Interval (seconds):"), VIK_LAYER_WIDGET_ENTRY},
154 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
157 PARAM_PROTOCOL=0, PARAM_PORT,
158 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
159 PARAM_REALTIME_REC, PARAM_REALTIME_CENTER_START, PARAM_VEHICLE_POSITION, PARAM_GPSD_HOST, PARAM_GPSD_PORT, PARAM_GPSD_RETRY_INTERVAL,
160 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
163 VikLayerInterface vik_gps_layer_interface = {
173 sizeof(params_groups)/sizeof(params_groups[0]),
177 (VikLayerFuncCreate) vik_gps_layer_create,
178 (VikLayerFuncRealize) vik_gps_layer_realize,
179 (VikLayerFuncPostRead) NULL,
180 (VikLayerFuncFree) vik_gps_layer_free,
182 (VikLayerFuncProperties) NULL,
183 (VikLayerFuncDraw) vik_gps_layer_draw,
184 (VikLayerFuncChangeCoordMode) gps_layer_change_coord_mode,
186 (VikLayerFuncSetMenuItemsSelection) NULL,
187 (VikLayerFuncGetMenuItemsSelection) NULL,
189 (VikLayerFuncAddMenuItems) gps_layer_add_menu_items,
190 (VikLayerFuncSublayerAddMenuItems) NULL,
192 (VikLayerFuncSublayerRenameRequest) NULL,
193 (VikLayerFuncSublayerToggleVisible) NULL,
195 (VikLayerFuncMarshall) gps_layer_marshall,
196 (VikLayerFuncUnmarshall) gps_layer_unmarshall,
198 (VikLayerFuncSetParam) gps_layer_set_param,
199 (VikLayerFuncGetParam) gps_layer_get_param,
201 (VikLayerFuncReadFileData) NULL,
202 (VikLayerFuncWriteFileData) NULL,
204 (VikLayerFuncDeleteItem) NULL,
205 (VikLayerFuncCopyItem) NULL,
206 (VikLayerFuncPasteItem) NULL,
207 (VikLayerFuncFreeCopiedItem) NULL,
208 (VikLayerFuncDragDropRequest) gps_layer_drag_drop_request,
211 enum {TRW_DOWNLOAD=0, TRW_UPLOAD,
212 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
216 static gchar * trw_names[] = {
217 N_("GPS Download"), N_("GPS Upload"),
218 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
219 N_("GPS Realtime Tracking"),
223 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
225 struct gps_data_t gpsd;
230 struct gps_fix_t fix;
231 gint satellites_used;
232 gboolean dirty; /* needs to be saved */
234 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
236 struct _VikGpsLayer {
238 VikTrwLayer * trw_children[NUM_TRW];
239 GList * children; /* used only for writing file */
240 int cur_read_child; /* used only for reading file */
241 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
243 gboolean realtime_tracking; /* set/reset only by the callback */
244 gboolean first_realtime_trackpoint;
248 VikTrack *realtime_track;
249 gchar *realtime_track_name;
251 GIOChannel *realtime_io_channel;
252 guint realtime_io_watch_id;
253 guint realtime_retry_timer;
254 GdkGC *realtime_track_gc;
255 GdkGC *realtime_track_bg_gc;
256 GdkGC *realtime_track_pt_gc;
257 GdkGC *realtime_track_pt1_gc;
258 GdkGC *realtime_track_pt2_gc;
263 gint gpsd_retry_interval;
264 gboolean realtime_record;
265 gboolean realtime_jump_to_start;
266 guint vehicle_position;
267 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
272 GType vik_gps_layer_get_type ()
274 static GType val_type = 0;
278 static const GTypeInfo val_info =
280 sizeof (VikGpsLayerClass),
281 NULL, /* base_init */
282 NULL, /* base_finalize */
283 NULL, /* class init */
284 NULL, /* class_finalize */
285 NULL, /* class_data */
286 sizeof (VikGpsLayer),
288 NULL /* instance init */
290 val_type = g_type_register_static ( VIK_LAYER_TYPE, "VikGpsLayer", &val_info, 0 );
296 static VikGpsLayer *vik_gps_layer_create (VikViewport *vp)
300 VikGpsLayer *rv = vik_gps_layer_new (vp);
301 vik_layer_rename ( VIK_LAYER(rv), vik_gps_layer_interface.name );
303 for (i = 0; i < NUM_TRW; i++) {
304 rv->trw_children[i] = VIK_TRW_LAYER(vik_layer_create ( VIK_LAYER_TRW, vp, NULL, FALSE ));
305 vik_layer_set_menu_items_selection(VIK_LAYER(rv->trw_children[i]), VIK_MENU_ITEM_ALL & ~(VIK_MENU_ITEM_CUT|VIK_MENU_ITEM_DELETE));
311 static void gps_layer_marshall( VikGpsLayer *vgl, guint8 **data, gint *datalen )
313 VikLayer *child_layer;
316 GByteArray* b = g_byte_array_new ();
320 #define alm_append(obj, sz) \
322 g_byte_array_append ( b, (guint8 *)&len, sizeof(len) ); \
323 g_byte_array_append ( b, (guint8 *)(obj), len );
325 vik_layer_marshall_params(VIK_LAYER(vgl), &ld, &ll);
329 for (i = 0; i < NUM_TRW; i++) {
330 child_layer = VIK_LAYER(vgl->trw_children[i]);
331 vik_layer_marshall(child_layer, &ld, &ll);
339 g_byte_array_free(b, FALSE);
344 static VikGpsLayer *gps_layer_unmarshall( guint8 *data, gint len, VikViewport *vvp )
346 #define alm_size (*(gint *)data)
348 len -= sizeof(gint) + alm_size; \
349 data += sizeof(gint) + alm_size;
351 VikGpsLayer *rv = vik_gps_layer_new(vvp);
352 VikLayer *child_layer;
355 vik_layer_unmarshall_params ( VIK_LAYER(rv), data+sizeof(gint), alm_size, vvp );
359 while (len>0 && i < NUM_TRW) {
360 child_layer = vik_layer_unmarshall ( data + sizeof(gint), alm_size, vvp );
362 rv->trw_children[i++] = (VikTrwLayer *)child_layer;
363 g_signal_connect_swapped ( G_OBJECT(child_layer), "update", G_CALLBACK(vik_layer_emit_update_secondary), rv );
367 // g_print("gps_layer_unmarshall ended with len=%d\n", len);
374 static gboolean gps_layer_set_param ( VikGpsLayer *vgl, guint16 id, VikLayerParamData data, VikViewport *vp, gboolean is_file_operation )
379 if (data.u < NUM_PROTOCOLS)
380 vgl->protocol_id = data.u;
382 g_warning(_("Unknown GPS Protocol"));
387 g_free(vgl->serial_port);
388 /* Compat: previous version stored serial_port as an array index */
389 int index = data.s[0] - '0';
390 if (data.s[0] != '\0' &&
391 g_ascii_isdigit (data.s[0]) &&
393 index < OLD_NUM_PORTS)
394 /* It is a single digit: activate compatibility */
395 vgl->serial_port = g_strdup(old_params_ports[index]);
397 vgl->serial_port = g_strdup(data.s);
398 g_debug("%s: %s", __FUNCTION__, vgl->serial_port);
401 g_warning(_("Unknown serial port device"));
403 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
404 case PARAM_GPSD_HOST:
406 g_free(vgl->gpsd_host);
407 vgl->gpsd_host = g_strdup(data.s);
409 case PARAM_GPSD_PORT:
411 g_free(vgl->gpsd_port);
412 vgl->gpsd_port = g_strdup(data.s); /* TODO: check for number */
414 case PARAM_GPSD_RETRY_INTERVAL:
415 vgl->gpsd_retry_interval = strtol(data.s, NULL, 10);
417 case PARAM_REALTIME_REC:
418 vgl->realtime_record = data.b;
420 case PARAM_REALTIME_CENTER_START:
421 vgl->realtime_jump_to_start = data.b;
423 case PARAM_VEHICLE_POSITION:
424 vgl->vehicle_position = data.u;
426 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
428 g_warning("gps_layer_set_param(): unknown parameter");
434 static VikLayerParamData gps_layer_get_param ( VikGpsLayer *vgl, guint16 id, gboolean is_file_operation )
436 VikLayerParamData rv;
440 rv.u = vgl->protocol_id;
443 rv.s = vgl->serial_port;
444 g_debug("%s: %s", __FUNCTION__, rv.s);
446 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
447 case PARAM_GPSD_HOST:
448 rv.s = vgl->gpsd_host ? vgl->gpsd_host : "";
450 case PARAM_GPSD_PORT:
451 rv.s = vgl->gpsd_port ? vgl->gpsd_port : g_strdup(DEFAULT_GPSD_PORT);
453 case PARAM_GPSD_RETRY_INTERVAL:
454 rv.s = g_strdup_printf("%d", vgl->gpsd_retry_interval);
456 case PARAM_REALTIME_REC:
457 rv.b = vgl->realtime_record;
459 case PARAM_REALTIME_CENTER_START:
460 rv.b = vgl->realtime_jump_to_start;
462 case PARAM_VEHICLE_POSITION:
463 rv.u = vgl->vehicle_position;
465 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
467 g_warning(_("%s: unknown parameter"), __FUNCTION__);
473 VikGpsLayer *vik_gps_layer_new (VikViewport *vp)
476 VikGpsLayer *vgl = VIK_GPS_LAYER ( g_object_new ( VIK_GPS_LAYER_TYPE, NULL ) );
477 vik_layer_init ( VIK_LAYER(vgl), VIK_LAYER_GPS );
478 for (i = 0; i < NUM_TRW; i++) {
479 vgl->trw_children[i] = NULL;
481 vgl->children = NULL;
482 vgl->cur_read_child = 0;
484 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
485 vgl->realtime_tracking = FALSE;
486 vgl->first_realtime_trackpoint = FALSE;
488 vgl->realtime_io_channel = NULL;
489 vgl->realtime_io_watch_id = 0;
490 vgl->realtime_retry_timer = 0;
491 vgl->realtime_track_gc = vik_viewport_new_gc ( vp, "#203070", 2 );
492 vgl->realtime_track_bg_gc = vik_viewport_new_gc ( vp, "grey", 2 );
493 vgl->realtime_track_pt1_gc = vik_viewport_new_gc ( vp, "red", 2 );
494 vgl->realtime_track_pt2_gc = vik_viewport_new_gc ( vp, "green", 2 );
495 vgl->realtime_track_pt_gc = vgl->realtime_track_pt1_gc;
496 vgl->realtime_track = NULL;
498 /* Setting params here */
499 vgl->gpsd_host = g_strdup("localhost");
500 vgl->gpsd_port = g_strdup(DEFAULT_GPSD_PORT);
501 vgl->realtime_record = TRUE;
502 vgl->realtime_jump_to_start = TRUE;
503 vgl->vehicle_position = VEHICLE_POSITION_ON_SCREEN;
504 vgl->gpsd_retry_interval = 10;
505 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
506 vgl->protocol_id = 0;
507 vgl->serial_port = NULL;
510 /* Attempt to auto set default USB serial port entry */
511 /* Ordered to make lowest device favourite if available */
512 if (g_access ("/dev/ttyUSB1", R_OK) == 0) {
513 if (vgl->serial_port != NULL)
514 g_free (vgl->serial_port);
515 vgl->serial_port = g_strdup ("/dev/ttyUSB1");
517 if (g_access ("/dev/ttyUSB0", R_OK) == 0) {
518 if (vgl->serial_port != NULL)
519 g_free (vgl->serial_port);
520 vgl->serial_port = g_strdup ("/dev/ttyUSB0");
527 static void vik_gps_layer_draw ( VikGpsLayer *vgl, gpointer data )
531 VikLayer *trigger = VIK_LAYER(vik_viewport_get_trigger( VIK_VIEWPORT(data) ));
533 for (i = 0; i < NUM_TRW; i++) {
534 vl = VIK_LAYER(vgl->trw_children[i]);
536 if ( vik_viewport_get_half_drawn ( VIK_VIEWPORT(data) ) ) {
537 vik_viewport_set_half_drawn ( VIK_VIEWPORT(data), FALSE );
538 vik_viewport_snapshot_load( VIK_VIEWPORT(data) );
540 vik_viewport_snapshot_save( VIK_VIEWPORT(data) );
543 if (!vik_viewport_get_half_drawn( VIK_VIEWPORT(data)))
544 vik_layer_draw ( vl, data );
546 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
547 if (vgl->realtime_tracking) {
548 if (VIK_LAYER(vgl) == trigger) {
549 if ( vik_viewport_get_half_drawn ( VIK_VIEWPORT(data) ) ) {
550 vik_viewport_set_half_drawn ( VIK_VIEWPORT(data), FALSE );
551 vik_viewport_snapshot_load( VIK_VIEWPORT(data) );
553 vik_viewport_snapshot_save( VIK_VIEWPORT(data) );
556 if (!vik_viewport_get_half_drawn( VIK_VIEWPORT(data)))
557 realtime_tracking_draw(vgl, VIK_VIEWPORT(data));
559 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
562 static void gps_layer_change_coord_mode ( VikGpsLayer *vgl, VikCoordMode mode )
565 for (i = 0; i < NUM_TRW; i++) {
566 vik_layer_change_coord_mode(VIK_LAYER(vgl->trw_children[i]), mode);
570 static void gps_layer_add_menu_items( VikGpsLayer *vgl, GtkMenu *menu, gpointer vlp )
572 static gpointer pass_along[2];
577 item = gtk_menu_item_new();
578 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
579 gtk_widget_show ( item );
581 item = gtk_menu_item_new_with_label ( _("Upload to GPS") );
582 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_upload_cb), pass_along );
583 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
584 gtk_widget_show ( item );
586 item = gtk_menu_item_new_with_label ( _("Download from GPS") );
587 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_download_cb), pass_along );
588 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
589 gtk_widget_show ( item );
591 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
592 item = gtk_menu_item_new_with_label ( vgl->realtime_tracking ?
593 "Stop realtime tracking" :
594 "Start realtime tracking" );
595 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_start_stop_tracking_cb), pass_along );
596 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
597 gtk_widget_show ( item );
599 item = gtk_menu_item_new();
600 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
601 gtk_widget_show ( item );
602 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
604 item = gtk_menu_item_new_with_label ( _("Empty Upload") );
605 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_empty_upload_cb), pass_along );
606 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
607 gtk_widget_show ( item );
609 item = gtk_menu_item_new_with_label ( _("Empty Download") );
610 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_empty_download_cb), pass_along );
611 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
612 gtk_widget_show ( item );
614 item = gtk_menu_item_new_with_label ( _("Empty All") );
615 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_empty_all_cb), pass_along );
616 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
617 gtk_widget_show ( item );
621 static void disconnect_layer_signal ( VikLayer *vl, VikGpsLayer *vgl )
623 guint number_handlers = DISCONNECT_UPDATE_SIGNAL(vl,vgl);
624 if ( number_handlers != 1 ) {
626 NB It's not fatal if this gives 2 for example! Hence removal of the g_assert
627 This happens when copied GPS layer is deleted (not sure why the number_handlers would be 2)
628 I don't think there's any side effects and certainly better than the program just aborting
630 g_warning(_("Unexpected number of disconnected handlers: %d"), number_handlers);
634 static void vik_gps_layer_free ( VikGpsLayer *vgl )
637 for (i = 0; i < NUM_TRW; i++) {
638 if (vgl->vl.realized)
639 disconnect_layer_signal(VIK_LAYER(vgl->trw_children[i]), vgl);
640 g_object_unref(vgl->trw_children[i]);
642 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
643 if (vgl->realtime_track_gc != NULL)
644 g_object_unref(vgl->realtime_track_gc);
645 if (vgl->realtime_track_bg_gc != NULL)
646 g_object_unref(vgl->realtime_track_bg_gc);
647 if (vgl->realtime_track_pt1_gc != NULL)
648 g_object_unref(vgl->realtime_track_pt1_gc);
649 if (vgl->realtime_track_pt2_gc != NULL)
650 g_object_unref(vgl->realtime_track_pt2_gc);
651 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
654 gboolean vik_gps_layer_delete ( VikGpsLayer *vgl, GtkTreeIter *iter )
657 VikLayer *l = VIK_LAYER( vik_treeview_item_get_pointer ( VIK_LAYER(vgl)->vt, iter ) );
658 gboolean was_visible = l->visible;
660 vik_treeview_item_delete ( VIK_LAYER(vgl)->vt, iter );
661 for (i = 0; i < NUM_TRW; i++) {
662 if (VIK_LAYER(vgl->trw_children[i]) == l)
663 vgl->trw_children[i] = NULL;
665 g_assert(DISCONNECT_UPDATE_SIGNAL(l,vgl)==1);
666 g_object_unref ( l );
671 static void vik_gps_layer_realize ( VikGpsLayer *vgl, VikTreeview *vt, GtkTreeIter *layer_iter )
676 for (ix = 0; ix < NUM_TRW; ix++) {
677 VikLayer * trw = VIK_LAYER(vgl->trw_children[ix]);
678 vik_treeview_add_layer ( VIK_LAYER(vgl)->vt, layer_iter, &iter,
679 _(trw_names[ix]), vgl,
680 trw, trw->type, trw->type );
681 if ( ! trw->visible )
682 vik_treeview_item_set_visible ( VIK_LAYER(vgl)->vt, &iter, FALSE );
683 vik_layer_realize ( trw, VIK_LAYER(vgl)->vt, &iter );
684 g_signal_connect_swapped ( G_OBJECT(trw), "update", G_CALLBACK(vik_layer_emit_update_secondary), vgl );
688 const GList *vik_gps_layer_get_children ( VikGpsLayer *vgl )
692 if (vgl->children == NULL) {
693 for (i = NUM_TRW - 1; i >= 0; i--)
694 vgl->children = g_list_prepend(vgl->children, vgl->trw_children[i]);
696 return vgl->children;
699 VikTrwLayer * vik_gps_layer_get_a_child(VikGpsLayer *vgl)
701 g_assert ((vgl->cur_read_child >= 0) && (vgl->cur_read_child < NUM_TRW));
703 VikTrwLayer * vtl = vgl->trw_children[vgl->cur_read_child];
704 if (++(vgl->cur_read_child) >= NUM_TRW)
705 vgl->cur_read_child = 0;
709 gboolean vik_gps_layer_is_empty ( VikGpsLayer *vgl )
711 if ( vgl->trw_children[0] )
716 static void gps_layer_drag_drop_request ( VikGpsLayer *val_src, VikGpsLayer *val_dest, GtkTreeIter *src_item_iter, GtkTreePath *dest_path )
718 VikTreeview *vt = VIK_LAYER(val_src)->vt;
719 VikLayer *vl = vik_treeview_item_get_pointer(vt, src_item_iter);
720 GtkTreeIter dest_iter;
722 gboolean target_exists;
724 dp = gtk_tree_path_to_string(dest_path);
725 target_exists = vik_treeview_get_iter_from_path_str(vt, &dest_iter, dp);
727 /* vik_gps_layer_delete unrefs, but we don't want that here.
728 * we're still using the layer. */
730 vik_gps_layer_delete(val_src, src_item_iter);
735 static void gps_session_delete(GpsSession *sess)
738 g_mutex_free(sess->mutex);
739 g_free(sess->cmd_args);
745 static void set_total_count(gint cnt, GpsSession *sess)
749 g_mutex_lock(sess->mutex);
751 const gchar *tmp_str;
752 if (sess->direction == GPS_DOWN)
754 if (sess->progress_label == sess->wp_label)
755 tmp_str = ngettext("Downloading %d waypoint...", "Downloading %d waypoints...", cnt);
757 tmp_str = ngettext("Downloading %d trackpoint...", "Downloading %d trackpoints...", cnt);
761 if (sess->progress_label == sess->wp_label)
762 tmp_str = ngettext("Uploading %d waypoint...", "Uploading %d waypoints...", cnt);
764 tmp_str = ngettext("Uploading %d trackpoint...", "Uploading %d trackpoints...", cnt);
767 g_snprintf(s, 128, tmp_str, cnt);
768 gtk_label_set_text ( GTK_LABEL(sess->progress_label), s );
769 gtk_widget_show ( sess->progress_label );
770 sess->total_count = cnt;
772 g_mutex_unlock(sess->mutex);
776 static void set_current_count(gint cnt, GpsSession *sess)
779 const gchar *tmp_str;
782 g_mutex_lock(sess->mutex);
784 if (cnt < sess->total_count) {
785 if (sess->direction == GPS_DOWN)
787 if (sess->progress_label == sess->wp_label)
788 tmp_str = ngettext("Downloaded %d out of %d waypoint...", "Downloaded %d out of %d waypoints...", sess->total_count);
790 tmp_str = ngettext("Downloaded %d out of %d trackpoint...", "Downloaded %d out of %d trackpoints...", sess->total_count);
793 if (sess->progress_label == sess->wp_label)
794 tmp_str = ngettext("Uploaded %d out of %d waypoint...", "Uploaded %d out of %d waypoints...", sess->total_count);
796 tmp_str = ngettext("Uploaded %d out of %d trackpoint...", "Uploaded %d out of %d trackpoints...", sess->total_count);
798 g_snprintf(s, 128, tmp_str, cnt, sess->total_count);
800 if (sess->direction == GPS_DOWN)
802 if (sess->progress_label == sess->wp_label)
803 tmp_str = ngettext("Downloaded %d waypoint", "Downloaded %d waypoints", cnt);
805 tmp_str = ngettext("Downloaded %d trackpoint", "Downloaded %d trackpoints", cnt);
808 if (sess->progress_label == sess->wp_label)
809 tmp_str = ngettext("Uploaded %d waypoint", "Uploaded %d waypoints", cnt);
811 tmp_str = ngettext("Uploaded %d trackpoint", "Uploaded %d trackpoints", cnt);
813 g_snprintf(s, 128, tmp_str, cnt);
815 gtk_label_set_text ( GTK_LABEL(sess->progress_label), s );
817 g_mutex_unlock(sess->mutex);
821 static void set_gps_info(const gchar *info, GpsSession *sess)
825 g_mutex_lock(sess->mutex);
827 g_snprintf(s, 256, _("GPS Device: %s"), info);
828 gtk_label_set_text ( GTK_LABEL(sess->gps_label), s );
830 g_mutex_unlock(sess->mutex);
834 static void gps_download_progress_func(BabelProgressCode c, gpointer data, GpsSession * sess )
838 gdk_threads_enter ();
839 g_mutex_lock(sess->mutex);
841 g_mutex_unlock(sess->mutex);
842 gps_session_delete(sess);
844 g_thread_exit ( NULL );
846 g_mutex_unlock(sess->mutex);
847 gdk_threads_leave ();
850 case BABEL_DIAG_OUTPUT:
851 line = (gchar *)data;
853 /* tells us how many items there will be */
854 if (strstr(line, "Xfer Wpt")) {
855 sess->progress_label = sess->wp_label;
857 if (strstr(line, "Xfer Trk")) {
858 sess->progress_label = sess->trk_label;
860 if (strstr(line, "PRDDAT")) {
861 gchar **tokens = g_strsplit(line, " ", 0);
867 while (tokens[n_tokens])
871 for (i=8; tokens[i] && ilen < sizeof(info)-2 && strcmp(tokens[i], "00"); i++) {
873 sscanf(tokens[i], "%x", &ch);
877 set_gps_info(info, sess);
881 /* eg: "Unit:\teTrex Legend HCx Software Version 2.90\n" */
882 if (strstr(line, "Unit:")) {
883 gchar **tokens = g_strsplit(line, "\t", 0);
885 while (tokens[n_tokens])
889 set_gps_info(tokens[1], sess);
893 if (strstr(line, "RECORD")) {
896 if (strlen(line) > 20) {
897 sscanf(line+17, "%x", &lsb);
898 sscanf(line+20, "%x", &msb);
899 cnt = lsb + msb * 256;
900 set_total_count(cnt, sess);
904 if ( strstr(line, "WPTDAT") || strstr(line, "TRKHDR") || strstr(line, "TRKDAT") ) {
906 set_current_count(sess->count, sess);
917 static void gps_upload_progress_func(BabelProgressCode c, gpointer data, GpsSession * sess )
922 gdk_threads_enter ();
923 g_mutex_lock(sess->mutex);
925 g_mutex_unlock(sess->mutex);
926 gps_session_delete(sess);
928 g_thread_exit ( NULL );
930 g_mutex_unlock(sess->mutex);
931 gdk_threads_leave ();
934 case BABEL_DIAG_OUTPUT:
935 line = (gchar *)data;
937 if (strstr(line, "PRDDAT")) {
938 gchar **tokens = g_strsplit(line, " ", 0);
944 while (tokens[n_tokens])
948 for (i=8; tokens[i] && ilen < sizeof(info)-2 && strcmp(tokens[i], "00"); i++) {
950 sscanf(tokens[i], "%x", &ch);
954 set_gps_info(info, sess);
958 if (strstr(line, "RECORD")) {
961 if (strlen(line) > 20) {
962 sscanf(line+17, "%x", &lsb);
963 sscanf(line+20, "%x", &msb);
964 cnt = lsb + msb * 256;
965 /* set_total_count(cnt, sess); */
969 if ( strstr(line, "WPTDAT")) {
970 if (sess->count == 0) {
971 sess->progress_label = sess->wp_label;
972 set_total_count(cnt, sess);
975 set_current_count(sess->count, sess);
978 if ( strstr(line, "TRKHDR") || strstr(line, "TRKDAT") ) {
979 if (sess->count == 0) {
980 sess->progress_label = sess->trk_label;
981 set_total_count(cnt, sess);
984 set_current_count(sess->count, sess);
995 static void gps_comm_thread(GpsSession *sess)
999 if (sess->direction == GPS_DOWN)
1000 result = a_babel_convert_from (sess->vtl, sess->cmd_args,
1001 (BabelStatusFunc) gps_download_progress_func, sess->port, sess);
1003 result = a_babel_convert_to (sess->vtl, sess->cmd_args,
1004 (BabelStatusFunc) gps_upload_progress_func, sess->port, sess);
1006 gdk_threads_enter();
1008 gtk_label_set_text ( GTK_LABEL(sess->status_label), _("Error: couldn't find gpsbabel.") );
1011 g_mutex_lock(sess->mutex);
1013 gtk_label_set_text ( GTK_LABEL(sess->status_label), _("Done.") );
1014 gtk_dialog_set_response_sensitive ( GTK_DIALOG(sess->dialog), GTK_RESPONSE_ACCEPT, TRUE );
1015 gtk_dialog_set_response_sensitive ( GTK_DIALOG(sess->dialog), GTK_RESPONSE_REJECT, FALSE );
1019 g_mutex_unlock(sess->mutex);
1022 g_mutex_lock(sess->mutex);
1025 g_mutex_unlock(sess->mutex);
1028 g_mutex_unlock(sess->mutex);
1029 gps_session_delete(sess);
1031 gdk_threads_leave();
1032 g_thread_exit(NULL);
1035 static gint gps_comm(VikTrwLayer *vtl, gps_dir dir, vik_gps_proto proto, gchar *port) {
1036 GpsSession *sess = g_malloc(sizeof(GpsSession));
1038 sess->mutex = g_mutex_new();
1039 sess->direction = dir;
1041 sess->port = g_strdup(port);
1043 sess->cmd_args = g_strdup_printf("-D 9 -t -w -%c %s",
1044 (dir == GPS_DOWN) ? 'i' : 'o', protocols_args[proto]);
1045 sess->window_title = (dir == GPS_DOWN) ? _("GPS Download") : _("GPS Upload");
1047 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 );
1048 gtk_dialog_set_response_sensitive ( GTK_DIALOG(sess->dialog),
1049 GTK_RESPONSE_ACCEPT, FALSE );
1050 gtk_window_set_title ( GTK_WINDOW(sess->dialog), sess->window_title );
1052 sess->status_label = gtk_label_new (_("Status: detecting gpsbabel"));
1053 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(sess->dialog)->vbox),
1054 sess->status_label, FALSE, FALSE, 5 );
1055 gtk_widget_show_all(sess->status_label);
1057 sess->gps_label = gtk_label_new (_("GPS device: N/A"));
1058 sess->ver_label = gtk_label_new ("");
1059 sess->id_label = gtk_label_new ("");
1060 sess->wp_label = gtk_label_new ("");
1061 sess->trk_label = gtk_label_new ("");
1063 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(sess->dialog)->vbox), sess->gps_label, FALSE, FALSE, 5 );
1064 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(sess->dialog)->vbox), sess->wp_label, FALSE, FALSE, 5 );
1065 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(sess->dialog)->vbox), sess->trk_label, FALSE, FALSE, 5 );
1067 gtk_widget_show_all(sess->dialog);
1069 sess->progress_label = sess->wp_label;
1070 sess->total_count = -1;
1072 /* TODO: starting gps read/write thread here */
1073 g_thread_create((GThreadFunc)gps_comm_thread, sess, FALSE, NULL );
1075 gtk_dialog_run(GTK_DIALOG(sess->dialog));
1077 gtk_widget_destroy(sess->dialog);
1079 g_mutex_lock(sess->mutex);
1081 sess->ok = FALSE; /* tell thread to stop */
1082 g_mutex_unlock(sess->mutex);
1085 g_mutex_unlock(sess->mutex);
1086 gps_session_delete(sess);
1092 static void gps_upload_cb( gpointer layer_and_vlp[2] )
1094 VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
1095 VikTrwLayer *vtl = vgl->trw_children[TRW_UPLOAD];
1096 gps_comm(vtl, GPS_UP, vgl->protocol_id, vgl->serial_port);
1099 static void gps_download_cb( gpointer layer_and_vlp[2] )
1101 VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
1102 VikTrwLayer *vtl = vgl->trw_children[TRW_DOWNLOAD];
1103 gps_comm(vtl, GPS_DOWN, vgl->protocol_id, vgl->serial_port);
1106 static void gps_empty_upload_cb( gpointer layer_and_vlp[2] )
1108 VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
1109 vik_trw_layer_delete_all_waypoints ( vgl-> trw_children[TRW_UPLOAD]);
1110 vik_trw_layer_delete_all_tracks ( vgl-> trw_children[TRW_UPLOAD]);
1113 static void gps_empty_download_cb( gpointer layer_and_vlp[2] )
1115 VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
1116 vik_trw_layer_delete_all_waypoints ( vgl-> trw_children[TRW_DOWNLOAD]);
1117 vik_trw_layer_delete_all_tracks ( vgl-> trw_children[TRW_DOWNLOAD]);
1120 static void gps_empty_all_cb( gpointer layer_and_vlp[2] )
1122 VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
1123 vik_trw_layer_delete_all_waypoints ( vgl-> trw_children[TRW_UPLOAD]);
1124 vik_trw_layer_delete_all_tracks ( vgl-> trw_children[TRW_UPLOAD]);
1125 vik_trw_layer_delete_all_waypoints ( vgl-> trw_children[TRW_DOWNLOAD]);
1126 vik_trw_layer_delete_all_tracks ( vgl-> trw_children[TRW_DOWNLOAD]);
1129 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
1130 static void rt_gpsd_disconnect(VikGpsLayer *vgl);
1131 static gboolean rt_gpsd_connect(VikGpsLayer *vgl, gboolean ask_if_failed);
1133 static void realtime_tracking_draw(VikGpsLayer *vgl, VikViewport *vp)
1137 struct LatLon lnw, lse;
1138 vik_viewport_screen_to_coord ( vp, -20, -20, &nw );
1139 vik_viewport_screen_to_coord ( vp, vik_viewport_get_width(vp)+20, vik_viewport_get_width(vp)+20, &se );
1140 vik_coord_to_latlon ( &nw, &lnw );
1141 vik_coord_to_latlon ( &se, &lse );
1142 if ( vgl->realtime_fix.fix.latitude > lse.lat &&
1143 vgl->realtime_fix.fix.latitude < lnw.lat &&
1144 vgl->realtime_fix.fix.longitude > lnw.lon &&
1145 vgl->realtime_fix.fix.longitude < lse.lon ) {
1148 gint half_back_x, half_back_y;
1149 gint half_back_bg_x, half_back_bg_y;
1151 gint ptbg_x, ptbg_y;
1152 gint side1_x, side1_y, side2_x, side2_y;
1153 gint side1bg_x, side1bg_y, side2bg_x, side2bg_y;
1155 ll.lat = vgl->realtime_fix.fix.latitude;
1156 ll.lon = vgl->realtime_fix.fix.longitude;
1157 vik_coord_load_from_latlon ( &gps, vik_viewport_get_coord_mode(vp), &ll);
1158 vik_viewport_coord_to_screen ( vp, &gps, &x, &y );
1160 gdouble heading_cos = cos(M_PI/180*vgl->realtime_fix.fix.track);
1161 gdouble heading_sin = sin(M_PI/180*vgl->realtime_fix.fix.track);
1163 half_back_y = y+8*heading_cos;
1164 half_back_x = x-8*heading_sin;
1165 half_back_bg_y = y+10*heading_cos;
1166 half_back_bg_x = x-10*heading_sin;
1168 pt_y = half_back_y-24*heading_cos;
1169 pt_x = half_back_x+24*heading_sin;
1170 ptbg_y = half_back_bg_y-28*heading_cos;
1171 ptbg_x = half_back_bg_x+28*heading_sin;
1173 side1_y = half_back_y+9*heading_sin;
1174 side1_x = half_back_x+9*heading_cos;
1175 side1bg_y = half_back_bg_y+11*heading_sin;
1176 side1bg_x = half_back_bg_x+11*heading_cos;
1178 side2_y = half_back_y-9*heading_sin;
1179 side2_x = half_back_x-9*heading_cos;
1180 side2bg_y = half_back_bg_y-11*heading_sin;
1181 side2bg_x = half_back_bg_x-11*heading_cos;
1183 GdkPoint trian[3] = { { pt_x, pt_y }, {side1_x, side1_y}, {side2_x, side2_y} };
1184 GdkPoint trian_bg[3] = { { ptbg_x, pt_y }, {side1bg_x, side1bg_y}, {side2bg_x, side2bg_y} };
1186 vik_viewport_draw_polygon ( vp, vgl->realtime_track_bg_gc, TRUE, trian_bg, 3 );
1187 vik_viewport_draw_polygon ( vp, vgl->realtime_track_gc, TRUE, trian, 3 );
1188 vik_viewport_draw_rectangle ( vp,
1189 (vgl->realtime_fix.fix.mode > MODE_2D) ? vgl->realtime_track_pt2_gc : vgl->realtime_track_pt1_gc,
1190 TRUE, x-2, y-2, 4, 4 );
1191 //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;
1195 static void create_realtime_trackpoint(VikGpsLayer *vgl, gboolean forced)
1200 /* Note that fix.time is a double, but it should not affect the precision
1202 time_t cur_timestamp = vgl->realtime_fix.fix.time;
1203 time_t last_timestamp = vgl->last_fix.fix.time;
1205 if (cur_timestamp < last_timestamp) {
1209 if (vgl->realtime_record && vgl->realtime_fix.dirty) {
1210 gboolean replace = FALSE;
1211 int heading = (int)floor(vgl->realtime_fix.fix.track);
1212 int last_heading = (int)floor(vgl->last_fix.fix.track);
1213 int alt = isnan(vgl->realtime_fix.fix.altitude) ? VIK_DEFAULT_ALTITUDE : floor(vgl->realtime_fix.fix.altitude);
1214 int last_alt = isnan(vgl->last_fix.fix.altitude) ? VIK_DEFAULT_ALTITUDE : floor(vgl->last_fix.fix.altitude);
1215 if (((last_tp = g_list_last(vgl->realtime_track->trackpoints)) != NULL) &&
1216 (vgl->realtime_fix.fix.mode > MODE_2D) &&
1217 (vgl->last_fix.fix.mode <= MODE_2D) &&
1218 ((cur_timestamp - last_timestamp) < 2)) {
1219 g_free(last_tp->data);
1220 vgl->realtime_track->trackpoints = g_list_delete_link(vgl->realtime_track->trackpoints, last_tp);
1224 ((cur_timestamp != last_timestamp) &&
1226 ((heading < last_heading) && (heading < (last_heading - 3))) ||
1227 ((heading > last_heading) && (heading > (last_heading + 3))) ||
1228 ((alt != VIK_DEFAULT_ALTITUDE) && (alt != last_alt)))))) {
1229 /* TODO: check for new segments */
1230 VikTrackpoint *tp = vik_trackpoint_new();
1231 tp->newsegment = FALSE;
1232 tp->has_timestamp = TRUE;
1233 tp->timestamp = vgl->realtime_fix.fix.time;
1235 /* speed only available for 3D fix. Check for NAN when use this speed */
1236 tp->speed = vgl->realtime_fix.fix.speed;
1237 tp->course = vgl->realtime_fix.fix.track;
1238 tp->nsats = vgl->realtime_fix.satellites_used;
1239 tp->fix_mode = vgl->realtime_fix.fix.mode;
1241 ll.lat = vgl->realtime_fix.fix.latitude;
1242 ll.lon = vgl->realtime_fix.fix.longitude;
1243 vik_coord_load_from_latlon(&tp->coord,
1244 vik_trw_layer_get_coord_mode(vgl->trw_children[TRW_REALTIME]), &ll);
1246 vgl->realtime_track->trackpoints = g_list_append(vgl->realtime_track->trackpoints, tp);
1247 vgl->realtime_fix.dirty = FALSE;
1248 vgl->realtime_fix.satellites_used = 0;
1249 vgl->last_fix = vgl->realtime_fix;
1255 static void gpsd_raw_hook(VglGpsd *vgpsd, gchar *data)
1257 gboolean update_all = FALSE;
1258 VikGpsLayer *vgl = vgpsd->vgl;
1260 if (!vgl->realtime_tracking) {
1261 g_warning("%s: receiving GPS data while not in realtime mode", __PRETTY_FUNCTION__);
1265 if ((vgpsd->gpsd.fix.mode >= MODE_2D) &&
1266 !isnan(vgpsd->gpsd.fix.latitude) &&
1267 !isnan(vgpsd->gpsd.fix.longitude) &&
1268 !isnan(vgpsd->gpsd.fix.track)) {
1270 VikWindow *vw = VIK_WINDOW(VIK_GTK_WINDOW_FROM_LAYER(vgl));
1271 VikViewport *vvp = vik_window_viewport(vw);
1272 vgl->realtime_fix.fix = vgpsd->gpsd.fix;
1273 vgl->realtime_fix.satellites_used = vgpsd->gpsd.satellites_used;
1274 vgl->realtime_fix.dirty = TRUE;
1277 VikCoord vehicle_coord;
1279 ll.lat = vgl->realtime_fix.fix.latitude;
1280 ll.lon = vgl->realtime_fix.fix.longitude;
1281 vik_coord_load_from_latlon(&vehicle_coord,
1282 vik_trw_layer_get_coord_mode(vgl->trw_children[TRW_REALTIME]), &ll);
1284 if ((vgl->vehicle_position == VEHICLE_POSITION_CENTERED) ||
1285 (vgl->realtime_jump_to_start && vgl->first_realtime_trackpoint)) {
1286 vik_viewport_set_center_coord(vvp, &vehicle_coord);
1289 else if (vgl->vehicle_position == VEHICLE_POSITION_ON_SCREEN) {
1292 const int px = 20; /* adjust ment in pixels to make sure vehicle is inside the box */
1293 gint width = vik_viewport_get_width(vvp);
1294 gint height = vik_viewport_get_height(vvp);
1297 vik_viewport_coord_to_screen(vvp, &vehicle_coord, &vx, &vy);
1299 if (vx < (width/hdiv))
1300 vik_viewport_set_center_screen(vvp, vx - width/2 + width/hdiv + px, vy);
1301 else if (vx > (width - width/hdiv))
1302 vik_viewport_set_center_screen(vvp, vx + width/2 - width/hdiv - px, vy);
1303 else if (vy < (height/vdiv))
1304 vik_viewport_set_center_screen(vvp, vx, vy - height/2 + height/vdiv + px);
1305 else if (vy > (height - height/vdiv))
1306 vik_viewport_set_center_screen(vvp, vx, vy + height/2 - height/vdiv - px);
1311 vgl->first_realtime_trackpoint = FALSE;
1312 create_realtime_trackpoint(vgl, FALSE);
1314 vik_layer_emit_update ( update_all ? VIK_LAYER(vgl) : VIK_LAYER(vgl->trw_children[TRW_REALTIME]));
1318 static gboolean gpsd_data_available(GIOChannel *source, GIOCondition condition, gpointer data)
1320 VikGpsLayer *vgl = data;
1321 if (condition == G_IO_IN) {
1322 if (!gps_poll(&vgl->vgpsd->gpsd))
1325 g_warning("Disconnected from gpsd. Trying to reconnect");
1326 rt_gpsd_disconnect(vgl);
1327 rt_gpsd_connect(vgl, FALSE);
1330 return FALSE; /* no further calling */
1333 static gchar *make_track_name(VikTrwLayer *vtl)
1335 const gchar basename[] = "REALTIME";
1336 const gint bufsize = sizeof(basename) + 5;
1337 gchar *name = g_malloc(bufsize);
1338 strcpy(name, basename);
1341 while (vik_trw_layer_get_track(vtl, name) != NULL) {
1342 g_snprintf(name, bufsize, "%s#%d", basename, i);
1349 static gboolean rt_gpsd_try_connect(gpointer *data)
1351 VikGpsLayer *vgl = (VikGpsLayer *)data;
1352 #ifndef HAVE_GPS_OPEN_R
1353 struct gps_data_t *gpsd = gps_open(vgl->gpsd_host, vgl->gpsd_port);
1357 vgl->vgpsd = g_malloc(sizeof(VglGpsd));
1359 if (gps_open_r(vgl->gpsd_host, vgl->gpsd_port, /*(struct gps_data_t *)*/vgl->vgpsd) != 0) {
1361 g_warning("Failed to connect to gpsd at %s (port %s). Will retry in %d seconds",
1362 vgl->gpsd_host, vgl->gpsd_port, vgl->gpsd_retry_interval);
1363 return TRUE; /* keep timer running */
1366 #ifndef HAVE_GPS_OPEN_R
1367 vgl->vgpsd = realloc(gpsd, sizeof(VglGpsd));
1369 vgl->vgpsd->vgl = vgl;
1371 vgl->realtime_fix.dirty = vgl->last_fix.dirty = FALSE;
1372 /* track alt/time graph uses VIK_DEFAULT_ALTITUDE (0.0) as invalid */
1373 vgl->realtime_fix.fix.altitude = vgl->last_fix.fix.altitude = VIK_DEFAULT_ALTITUDE;
1374 vgl->realtime_fix.fix.speed = vgl->last_fix.fix.speed = NAN;
1376 if (vgl->realtime_record) {
1377 VikTrwLayer *vtl = vgl->trw_children[TRW_REALTIME];
1378 vgl->realtime_track = vik_track_new();
1379 vgl->realtime_track->visible = TRUE;
1380 vgl->realtime_track_name = make_track_name(vtl);
1381 vik_trw_layer_add_track(vtl, vgl->realtime_track_name, vgl->realtime_track);
1384 gps_set_raw_hook(&vgl->vgpsd->gpsd, gpsd_raw_hook);
1385 vgl->realtime_io_channel = g_io_channel_unix_new(vgl->vgpsd->gpsd.gps_fd);
1386 vgl->realtime_io_watch_id = g_io_add_watch( vgl->realtime_io_channel,
1387 G_IO_IN | G_IO_ERR | G_IO_HUP, gpsd_data_available, vgl);
1389 gps_stream(&vgl->vgpsd->gpsd, WATCH_ENABLE, NULL);
1391 gps_query(&vgl->vgpsd->gpsd, "w+x");
1393 return FALSE; /* no longer called by timeout */
1396 static gboolean rt_ask_retry(VikGpsLayer *vgl)
1398 GtkWidget *dialog = gtk_message_dialog_new (VIK_GTK_WINDOW_FROM_LAYER(vgl),
1399 GTK_DIALOG_DESTROY_WITH_PARENT,
1400 GTK_MESSAGE_QUESTION,
1402 "Failed to connect to gpsd at %s (port %s)\n"
1403 "Should Viking keep trying (every %d seconds)?",
1404 vgl->gpsd_host, vgl->gpsd_port,
1405 vgl->gpsd_retry_interval);
1407 gint res = gtk_dialog_run(GTK_DIALOG(dialog));
1408 gtk_widget_destroy(dialog);
1409 return (res == GTK_RESPONSE_YES);
1412 static gboolean rt_gpsd_connect(VikGpsLayer *vgl, gboolean ask_if_failed)
1414 vgl->realtime_retry_timer = 0;
1415 if (rt_gpsd_try_connect((gpointer *)vgl)) {
1416 if (vgl->gpsd_retry_interval <= 0) {
1417 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);
1420 else if (ask_if_failed && !rt_ask_retry(vgl))
1423 vgl->realtime_retry_timer = g_timeout_add_seconds(vgl->gpsd_retry_interval,
1424 (GSourceFunc)rt_gpsd_try_connect, (gpointer *)vgl);
1429 static void rt_gpsd_disconnect(VikGpsLayer *vgl)
1431 if (vgl->realtime_io_watch_id) {
1432 g_source_remove(vgl->realtime_io_watch_id);
1433 vgl->realtime_io_watch_id = 0;
1435 if (vgl->realtime_retry_timer) {
1436 g_source_remove(vgl->realtime_retry_timer);
1437 vgl->realtime_retry_timer = 0;
1439 if (vgl->realtime_io_channel) {
1440 GError *error = NULL;
1441 g_io_channel_shutdown (vgl->realtime_io_channel, FALSE, &error);
1442 vgl->realtime_io_channel = NULL;
1445 gps_close(&vgl->vgpsd->gpsd);
1446 #ifdef HAVE_GPS_OPEN_R
1454 if (vgl->realtime_record && vgl->realtime_track) {
1455 create_realtime_trackpoint(vgl, TRUE);
1456 if ((vgl->realtime_track->trackpoints == NULL) || (vgl->realtime_track->trackpoints->next == NULL))
1457 vik_trw_layer_delete_track(vgl->trw_children[TRW_REALTIME], vgl->realtime_track_name);
1458 vgl->realtime_track = NULL;
1462 static void gps_start_stop_tracking_cb( gpointer layer_and_vlp[2])
1464 VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
1465 vgl->realtime_tracking = (vgl->realtime_tracking == FALSE);
1467 /* Make sure we are still in the boat with libgps */
1468 g_assert((VIK_GPS_MODE_2D == MODE_2D) && (VIK_GPS_MODE_3D == MODE_3D));
1470 if (vgl->realtime_tracking) {
1471 vgl->first_realtime_trackpoint = TRUE;
1472 if (!rt_gpsd_connect(vgl, TRUE)) {
1473 vgl->first_realtime_trackpoint = FALSE;
1474 vgl->realtime_tracking = FALSE;
1477 else { /* stop realtime tracking */
1478 vgl->first_realtime_trackpoint = FALSE;
1479 rt_gpsd_disconnect(vgl);
1482 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */