2 * viking -- GPS Data and Topo Analyzer, Explorer, and Manager
4 * Copyright (C) 2003-2005, Evan Battaglia <gtoevan@gmx.net>
5 * Copyright (C) 2006-2008, Quy Tonthat <qtonthat@gmail.com>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
32 #include "icons/icons.h"
41 #include <glib/gstdio.h>
42 #include <glib/gprintf.h>
43 #include <glib/gi18n.h>
44 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
48 #if ! GLIB_CHECK_VERSION(2,14,0)
49 inline guint g_timeout_add_seconds(guint interval, GSourceFunc function, gpointer data) {
50 return g_timeout_add(interval*1000, function, data);
54 #define DISCONNECT_UPDATE_SIGNAL(vl, val) g_signal_handlers_disconnect_matched(vl, G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, val)
55 static VikGpsLayer *vik_gps_layer_create (VikViewport *vp);
56 static void vik_gps_layer_realize ( VikGpsLayer *val, VikTreeview *vt, GtkTreeIter *layer_iter );
57 static void vik_gps_layer_free ( VikGpsLayer *val );
58 static void vik_gps_layer_draw ( VikGpsLayer *val, gpointer data );
59 static VikGpsLayer *vik_gps_layer_new ( VikViewport *vp );
61 static void gps_layer_marshall( VikGpsLayer *val, guint8 **data, gint *len );
62 static VikGpsLayer *gps_layer_unmarshall( guint8 *data, gint len, VikViewport *vvp );
63 static gboolean gps_layer_set_param ( VikGpsLayer *vgl, guint16 id, VikLayerParamData data, VikViewport *vp, gboolean is_file_operation );
64 static VikLayerParamData gps_layer_get_param ( VikGpsLayer *vgl, guint16 id, gboolean is_file_operation );
66 static const gchar* gps_layer_tooltip ( VikGpsLayer *vgl );
68 static void gps_layer_change_coord_mode ( VikGpsLayer *val, VikCoordMode mode );
69 static void gps_layer_add_menu_items( VikGpsLayer *vtl, GtkMenu *menu, gpointer vlp );
70 static void gps_layer_drag_drop_request ( VikGpsLayer *val_src, VikGpsLayer *val_dest, GtkTreeIter *src_item_iter, GtkTreePath *dest_path );
72 static void gps_upload_cb( gpointer layer_and_vlp[2] );
73 static void gps_download_cb( gpointer layer_and_vlp[2] );
74 static void gps_empty_upload_cb( gpointer layer_and_vlp[2] );
75 static void gps_empty_download_cb( gpointer layer_and_vlp[2] );
76 static void gps_empty_all_cb( gpointer layer_and_vlp[2] );
77 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
78 static void gps_empty_realtime_cb( gpointer layer_and_vlp[2] );
79 static void gps_start_stop_tracking_cb( gpointer layer_and_vlp[2] );
80 static void realtime_tracking_draw(VikGpsLayer *vgl, VikViewport *vp);
83 typedef enum {GARMIN_P = 0, MAGELLAN_P, DELORME_P, NAVILINK_P, NUM_PROTOCOLS} vik_gps_proto;
84 static gchar * params_protocols[] = {"Garmin", "Magellan", "DeLorme", "NAViLink", NULL};
85 static gchar * protocols_args[] = {"garmin", "magellan", "delbin", "navilink"};
86 /*#define NUM_PROTOCOLS (sizeof(params_protocols)/sizeof(params_protocols[0]) - 1) */
88 static gchar * params_ports[] = {"com1", "usb:", NULL};
90 static gchar * params_ports[] = {"/dev/ttyS0", "/dev/ttyS1", "/dev/ttyUSB0", "/dev/ttyUSB1", "usb:", NULL};
92 /* NUM_PORTS not actually used */
93 /* #define NUM_PORTS (sizeof(params_ports)/sizeof(params_ports[0]) - 1) */
94 /* Compatibility with previous versions */
96 static gchar * old_params_ports[] = {"com1", "usb:", NULL};
98 static gchar * old_params_ports[] = {"/dev/ttyS0", "/dev/ttyS1", "/dev/ttyUSB0", "/dev/ttyUSB1", "usb:", NULL};
100 #define OLD_NUM_PORTS (sizeof(old_params_ports)/sizeof(old_params_ports[0]) - 1)
101 typedef enum {GPS_DOWN=0, GPS_UP} gps_dir;
112 gchar * window_title;
114 GtkWidget *status_label;
115 GtkWidget *gps_label;
116 GtkWidget *ver_label;
119 GtkWidget *progress_label;
120 GtkWidget *trk_label;
122 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
123 gboolean realtime_tracking;
126 static void gps_session_delete(GpsSession *sess);
128 static gchar *params_groups[] = {
130 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
131 "Realtime Tracking Mode",
135 enum {GROUP_DATA_MODE, GROUP_REALTIME_MODE};
137 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
138 static gchar *params_vehicle_position[] = {
139 "Keep vehicle at center",
140 "Keep vehicle on screen",
145 VEHICLE_POSITION_CENTERED = 0,
146 VEHICLE_POSITION_ON_SCREEN,
147 VEHICLE_POSITION_NONE,
151 static VikLayerParam gps_layer_params[] = {
152 { "gps_protocol", VIK_LAYER_PARAM_UINT, GROUP_DATA_MODE, N_("GPS Protocol:"), VIK_LAYER_WIDGET_COMBOBOX, params_protocols, NULL},
153 { "gps_port", VIK_LAYER_PARAM_STRING, GROUP_DATA_MODE, N_("Serial Port:"), VIK_LAYER_WIDGET_COMBOBOX, params_ports, NULL},
155 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
156 { "record_tracking", VIK_LAYER_PARAM_BOOLEAN, GROUP_REALTIME_MODE, N_("Recording tracks"), VIK_LAYER_WIDGET_CHECKBUTTON},
157 { "center_start_tracking", VIK_LAYER_PARAM_BOOLEAN, GROUP_REALTIME_MODE, N_("Jump to current position on start"), VIK_LAYER_WIDGET_CHECKBUTTON},
158 { "moving_map_method", VIK_LAYER_PARAM_UINT, GROUP_REALTIME_MODE, N_("Moving Map Method:"), VIK_LAYER_WIDGET_RADIOGROUP_STATIC, params_vehicle_position, NULL},
159 { "gpsd_host", VIK_LAYER_PARAM_STRING, GROUP_REALTIME_MODE, N_("Gpsd Host:"), VIK_LAYER_WIDGET_ENTRY},
160 { "gpsd_port", VIK_LAYER_PARAM_STRING, GROUP_REALTIME_MODE, N_("Gpsd Port:"), VIK_LAYER_WIDGET_ENTRY},
161 { "gpsd_retry_interval", VIK_LAYER_PARAM_STRING, GROUP_REALTIME_MODE, N_("Gpsd Retry Interval (seconds):"), VIK_LAYER_WIDGET_ENTRY},
162 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
165 PARAM_PROTOCOL=0, PARAM_PORT,
166 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
167 PARAM_REALTIME_REC, PARAM_REALTIME_CENTER_START, PARAM_VEHICLE_POSITION, PARAM_GPSD_HOST, PARAM_GPSD_PORT, PARAM_GPSD_RETRY_INTERVAL,
168 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
171 VikLayerInterface vik_gps_layer_interface = {
181 sizeof(params_groups)/sizeof(params_groups[0]),
185 (VikLayerFuncCreate) vik_gps_layer_create,
186 (VikLayerFuncRealize) vik_gps_layer_realize,
187 (VikLayerFuncPostRead) NULL,
188 (VikLayerFuncFree) vik_gps_layer_free,
190 (VikLayerFuncProperties) NULL,
191 (VikLayerFuncDraw) vik_gps_layer_draw,
192 (VikLayerFuncChangeCoordMode) gps_layer_change_coord_mode,
194 (VikLayerFuncSetMenuItemsSelection) NULL,
195 (VikLayerFuncGetMenuItemsSelection) NULL,
197 (VikLayerFuncAddMenuItems) gps_layer_add_menu_items,
198 (VikLayerFuncSublayerAddMenuItems) NULL,
200 (VikLayerFuncSublayerRenameRequest) NULL,
201 (VikLayerFuncSublayerToggleVisible) NULL,
202 (VikLayerFuncSublayerTooltip) NULL,
203 (VikLayerFuncLayerTooltip) gps_layer_tooltip,
204 (VikLayerFuncLayerSelected) NULL,
206 (VikLayerFuncMarshall) gps_layer_marshall,
207 (VikLayerFuncUnmarshall) gps_layer_unmarshall,
209 (VikLayerFuncSetParam) gps_layer_set_param,
210 (VikLayerFuncGetParam) gps_layer_get_param,
212 (VikLayerFuncReadFileData) NULL,
213 (VikLayerFuncWriteFileData) NULL,
215 (VikLayerFuncDeleteItem) NULL,
216 (VikLayerFuncCutItem) NULL,
217 (VikLayerFuncCopyItem) NULL,
218 (VikLayerFuncPasteItem) NULL,
219 (VikLayerFuncFreeCopiedItem) NULL,
220 (VikLayerFuncDragDropRequest) gps_layer_drag_drop_request,
223 enum {TRW_DOWNLOAD=0, TRW_UPLOAD,
224 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
228 static gchar * trw_names[] = {
229 N_("GPS Download"), N_("GPS Upload"),
230 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
231 N_("GPS Realtime Tracking"),
235 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
237 struct gps_data_t gpsd;
242 struct gps_fix_t fix;
243 gint satellites_used;
244 gboolean dirty; /* needs to be saved */
246 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
248 struct _VikGpsLayer {
250 VikTrwLayer * trw_children[NUM_TRW];
251 GList * children; /* used only for writing file */
252 int cur_read_child; /* used only for reading file */
253 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
255 gboolean realtime_tracking; /* set/reset only by the callback */
256 gboolean first_realtime_trackpoint;
260 VikTrack *realtime_track;
261 gchar *realtime_track_name;
263 GIOChannel *realtime_io_channel;
264 guint realtime_io_watch_id;
265 guint realtime_retry_timer;
266 GdkGC *realtime_track_gc;
267 GdkGC *realtime_track_bg_gc;
268 GdkGC *realtime_track_pt_gc;
269 GdkGC *realtime_track_pt1_gc;
270 GdkGC *realtime_track_pt2_gc;
275 gint gpsd_retry_interval;
276 gboolean realtime_record;
277 gboolean realtime_jump_to_start;
278 guint vehicle_position;
279 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
284 GType vik_gps_layer_get_type ()
286 static GType val_type = 0;
290 static const GTypeInfo val_info =
292 sizeof (VikGpsLayerClass),
293 NULL, /* base_init */
294 NULL, /* base_finalize */
295 NULL, /* class init */
296 NULL, /* class_finalize */
297 NULL, /* class_data */
298 sizeof (VikGpsLayer),
300 NULL /* instance init */
302 val_type = g_type_register_static ( VIK_LAYER_TYPE, "VikGpsLayer", &val_info, 0 );
308 static VikGpsLayer *vik_gps_layer_create (VikViewport *vp)
312 VikGpsLayer *rv = vik_gps_layer_new (vp);
313 vik_layer_rename ( VIK_LAYER(rv), vik_gps_layer_interface.name );
315 for (i = 0; i < NUM_TRW; i++) {
316 rv->trw_children[i] = VIK_TRW_LAYER(vik_layer_create ( VIK_LAYER_TRW, vp, NULL, FALSE ));
317 vik_layer_set_menu_items_selection(VIK_LAYER(rv->trw_children[i]), VIK_MENU_ITEM_ALL & ~(VIK_MENU_ITEM_CUT|VIK_MENU_ITEM_DELETE));
322 static const gchar* gps_layer_tooltip ( VikGpsLayer *vgl )
324 return params_protocols[vgl->protocol_id];
328 static void gps_layer_marshall( VikGpsLayer *vgl, guint8 **data, gint *datalen )
330 VikLayer *child_layer;
333 GByteArray* b = g_byte_array_new ();
337 #define alm_append(obj, sz) \
339 g_byte_array_append ( b, (guint8 *)&len, sizeof(len) ); \
340 g_byte_array_append ( b, (guint8 *)(obj), len );
342 vik_layer_marshall_params(VIK_LAYER(vgl), &ld, &ll);
346 for (i = 0; i < NUM_TRW; i++) {
347 child_layer = VIK_LAYER(vgl->trw_children[i]);
348 vik_layer_marshall(child_layer, &ld, &ll);
356 g_byte_array_free(b, FALSE);
361 static VikGpsLayer *gps_layer_unmarshall( guint8 *data, gint len, VikViewport *vvp )
363 #define alm_size (*(gint *)data)
365 len -= sizeof(gint) + alm_size; \
366 data += sizeof(gint) + alm_size;
368 VikGpsLayer *rv = vik_gps_layer_new(vvp);
369 VikLayer *child_layer;
372 vik_layer_unmarshall_params ( VIK_LAYER(rv), data+sizeof(gint), alm_size, vvp );
376 while (len>0 && i < NUM_TRW) {
377 child_layer = vik_layer_unmarshall ( data + sizeof(gint), alm_size, vvp );
379 rv->trw_children[i++] = (VikTrwLayer *)child_layer;
380 g_signal_connect_swapped ( G_OBJECT(child_layer), "update", G_CALLBACK(vik_layer_emit_update_secondary), rv );
384 // g_print("gps_layer_unmarshall ended with len=%d\n", len);
391 static gboolean gps_layer_set_param ( VikGpsLayer *vgl, guint16 id, VikLayerParamData data, VikViewport *vp, gboolean is_file_operation )
396 if (data.u < NUM_PROTOCOLS)
397 vgl->protocol_id = data.u;
399 g_warning(_("Unknown GPS Protocol"));
404 g_free(vgl->serial_port);
405 /* Compat: previous version stored serial_port as an array index */
406 int index = data.s[0] - '0';
407 if (data.s[0] != '\0' &&
408 g_ascii_isdigit (data.s[0]) &&
410 index < OLD_NUM_PORTS)
411 /* It is a single digit: activate compatibility */
412 vgl->serial_port = g_strdup(old_params_ports[index]);
414 vgl->serial_port = g_strdup(data.s);
415 g_debug("%s: %s", __FUNCTION__, vgl->serial_port);
418 g_warning(_("Unknown serial port device"));
420 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
421 case PARAM_GPSD_HOST:
423 g_free(vgl->gpsd_host);
424 vgl->gpsd_host = g_strdup(data.s);
426 case PARAM_GPSD_PORT:
428 g_free(vgl->gpsd_port);
429 vgl->gpsd_port = g_strdup(data.s); /* TODO: check for number */
431 case PARAM_GPSD_RETRY_INTERVAL:
432 vgl->gpsd_retry_interval = strtol(data.s, NULL, 10);
434 case PARAM_REALTIME_REC:
435 vgl->realtime_record = data.b;
437 case PARAM_REALTIME_CENTER_START:
438 vgl->realtime_jump_to_start = data.b;
440 case PARAM_VEHICLE_POSITION:
441 vgl->vehicle_position = data.u;
443 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
445 g_warning("gps_layer_set_param(): unknown parameter");
451 static VikLayerParamData gps_layer_get_param ( VikGpsLayer *vgl, guint16 id, gboolean is_file_operation )
453 VikLayerParamData rv;
457 rv.u = vgl->protocol_id;
460 rv.s = vgl->serial_port;
461 g_debug("%s: %s", __FUNCTION__, rv.s);
463 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
464 case PARAM_GPSD_HOST:
465 rv.s = vgl->gpsd_host ? vgl->gpsd_host : "";
467 case PARAM_GPSD_PORT:
468 rv.s = vgl->gpsd_port ? vgl->gpsd_port : g_strdup(DEFAULT_GPSD_PORT);
470 case PARAM_GPSD_RETRY_INTERVAL:
471 rv.s = g_strdup_printf("%d", vgl->gpsd_retry_interval);
473 case PARAM_REALTIME_REC:
474 rv.b = vgl->realtime_record;
476 case PARAM_REALTIME_CENTER_START:
477 rv.b = vgl->realtime_jump_to_start;
479 case PARAM_VEHICLE_POSITION:
480 rv.u = vgl->vehicle_position;
482 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
484 g_warning(_("%s: unknown parameter"), __FUNCTION__);
490 VikGpsLayer *vik_gps_layer_new (VikViewport *vp)
493 VikGpsLayer *vgl = VIK_GPS_LAYER ( g_object_new ( VIK_GPS_LAYER_TYPE, NULL ) );
494 vik_layer_init ( VIK_LAYER(vgl), VIK_LAYER_GPS );
495 for (i = 0; i < NUM_TRW; i++) {
496 vgl->trw_children[i] = NULL;
498 vgl->children = NULL;
499 vgl->cur_read_child = 0;
501 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
502 vgl->realtime_tracking = FALSE;
503 vgl->first_realtime_trackpoint = FALSE;
505 vgl->realtime_io_channel = NULL;
506 vgl->realtime_io_watch_id = 0;
507 vgl->realtime_retry_timer = 0;
508 vgl->realtime_track_gc = vik_viewport_new_gc ( vp, "#203070", 2 );
509 vgl->realtime_track_bg_gc = vik_viewport_new_gc ( vp, "grey", 2 );
510 vgl->realtime_track_pt1_gc = vik_viewport_new_gc ( vp, "red", 2 );
511 vgl->realtime_track_pt2_gc = vik_viewport_new_gc ( vp, "green", 2 );
512 vgl->realtime_track_pt_gc = vgl->realtime_track_pt1_gc;
513 vgl->realtime_track = NULL;
515 /* Setting params here */
516 vgl->gpsd_host = g_strdup("localhost");
517 vgl->gpsd_port = g_strdup(DEFAULT_GPSD_PORT);
518 vgl->realtime_record = TRUE;
519 vgl->realtime_jump_to_start = TRUE;
520 vgl->vehicle_position = VEHICLE_POSITION_ON_SCREEN;
521 vgl->gpsd_retry_interval = 10;
522 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
523 vgl->protocol_id = 0;
524 vgl->serial_port = NULL;
527 /* Attempt to auto set default USB serial port entry */
528 /* Ordered to make lowest device favourite if available */
529 if (g_access ("/dev/ttyUSB1", R_OK) == 0) {
530 if (vgl->serial_port != NULL)
531 g_free (vgl->serial_port);
532 vgl->serial_port = g_strdup ("/dev/ttyUSB1");
534 if (g_access ("/dev/ttyUSB0", R_OK) == 0) {
535 if (vgl->serial_port != NULL)
536 g_free (vgl->serial_port);
537 vgl->serial_port = g_strdup ("/dev/ttyUSB0");
544 static void vik_gps_layer_draw ( VikGpsLayer *vgl, gpointer data )
548 VikLayer *trigger = VIK_LAYER(vik_viewport_get_trigger( VIK_VIEWPORT(data) ));
550 for (i = 0; i < NUM_TRW; i++) {
551 vl = VIK_LAYER(vgl->trw_children[i]);
553 if ( vik_viewport_get_half_drawn ( VIK_VIEWPORT(data) ) ) {
554 vik_viewport_set_half_drawn ( VIK_VIEWPORT(data), FALSE );
555 vik_viewport_snapshot_load( VIK_VIEWPORT(data) );
557 vik_viewport_snapshot_save( VIK_VIEWPORT(data) );
560 if (!vik_viewport_get_half_drawn( VIK_VIEWPORT(data)))
561 vik_layer_draw ( vl, data );
563 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
564 if (vgl->realtime_tracking) {
565 if (VIK_LAYER(vgl) == trigger) {
566 if ( vik_viewport_get_half_drawn ( VIK_VIEWPORT(data) ) ) {
567 vik_viewport_set_half_drawn ( VIK_VIEWPORT(data), FALSE );
568 vik_viewport_snapshot_load( VIK_VIEWPORT(data) );
570 vik_viewport_snapshot_save( VIK_VIEWPORT(data) );
573 if (!vik_viewport_get_half_drawn( VIK_VIEWPORT(data)))
574 realtime_tracking_draw(vgl, VIK_VIEWPORT(data));
576 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
579 static void gps_layer_change_coord_mode ( VikGpsLayer *vgl, VikCoordMode mode )
582 for (i = 0; i < NUM_TRW; i++) {
583 vik_layer_change_coord_mode(VIK_LAYER(vgl->trw_children[i]), mode);
587 static void gps_layer_add_menu_items( VikGpsLayer *vgl, GtkMenu *menu, gpointer vlp )
589 static gpointer pass_along[2];
594 item = gtk_menu_item_new();
595 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
596 gtk_widget_show ( item );
598 item = gtk_menu_item_new_with_mnemonic ( _("_Upload to GPS") );
599 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_upload_cb), pass_along );
600 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
601 gtk_widget_show ( item );
603 item = gtk_menu_item_new_with_mnemonic ( _("Download from _GPS") );
604 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_download_cb), pass_along );
605 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
606 gtk_widget_show ( item );
608 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
609 item = gtk_menu_item_new_with_mnemonic ( vgl->realtime_tracking ?
610 "_Stop Realtime Tracking" :
611 "_Start Realtime Tracking" );
612 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_start_stop_tracking_cb), pass_along );
613 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
614 gtk_widget_show ( item );
616 item = gtk_menu_item_new();
617 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
618 gtk_widget_show ( item );
620 item = gtk_menu_item_new_with_mnemonic ( _("Empty _Realtime") );
621 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_empty_realtime_cb), pass_along );
622 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
623 gtk_widget_show ( item );
624 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
626 item = gtk_menu_item_new_with_mnemonic ( _("E_mpty Upload") );
627 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_empty_upload_cb), pass_along );
628 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
629 gtk_widget_show ( item );
631 item = gtk_menu_item_new_with_mnemonic ( _("_Empty Download") );
632 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_empty_download_cb), pass_along );
633 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
634 gtk_widget_show ( item );
636 item = gtk_menu_item_new_with_mnemonic ( _("Empty _All") );
637 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_empty_all_cb), pass_along );
638 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
639 gtk_widget_show ( item );
643 static void disconnect_layer_signal ( VikLayer *vl, VikGpsLayer *vgl )
645 guint number_handlers = DISCONNECT_UPDATE_SIGNAL(vl,vgl);
646 if ( number_handlers != 1 ) {
648 NB It's not fatal if this gives 2 for example! Hence removal of the g_assert
649 This happens when copied GPS layer is deleted (not sure why the number_handlers would be 2)
650 I don't think there's any side effects and certainly better than the program just aborting
652 g_warning(_("Unexpected number of disconnected handlers: %d"), number_handlers);
656 static void vik_gps_layer_free ( VikGpsLayer *vgl )
659 for (i = 0; i < NUM_TRW; i++) {
660 if (vgl->vl.realized)
661 disconnect_layer_signal(VIK_LAYER(vgl->trw_children[i]), vgl);
662 g_object_unref(vgl->trw_children[i]);
664 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
665 if (vgl->realtime_track_gc != NULL)
666 g_object_unref(vgl->realtime_track_gc);
667 if (vgl->realtime_track_bg_gc != NULL)
668 g_object_unref(vgl->realtime_track_bg_gc);
669 if (vgl->realtime_track_pt1_gc != NULL)
670 g_object_unref(vgl->realtime_track_pt1_gc);
671 if (vgl->realtime_track_pt2_gc != NULL)
672 g_object_unref(vgl->realtime_track_pt2_gc);
673 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
676 gboolean vik_gps_layer_delete ( VikGpsLayer *vgl, GtkTreeIter *iter )
679 VikLayer *l = VIK_LAYER( vik_treeview_item_get_pointer ( VIK_LAYER(vgl)->vt, iter ) );
680 gboolean was_visible = l->visible;
682 vik_treeview_item_delete ( VIK_LAYER(vgl)->vt, iter );
683 for (i = 0; i < NUM_TRW; i++) {
684 if (VIK_LAYER(vgl->trw_children[i]) == l)
685 vgl->trw_children[i] = NULL;
687 g_assert(DISCONNECT_UPDATE_SIGNAL(l,vgl)==1);
688 g_object_unref ( l );
693 static void vik_gps_layer_realize ( VikGpsLayer *vgl, VikTreeview *vt, GtkTreeIter *layer_iter )
698 for (ix = 0; ix < NUM_TRW; ix++) {
699 VikLayer * trw = VIK_LAYER(vgl->trw_children[ix]);
700 vik_treeview_add_layer ( VIK_LAYER(vgl)->vt, layer_iter, &iter,
701 _(trw_names[ix]), vgl,
702 trw, trw->type, trw->type );
703 if ( ! trw->visible )
704 vik_treeview_item_set_visible ( VIK_LAYER(vgl)->vt, &iter, FALSE );
705 vik_layer_realize ( trw, VIK_LAYER(vgl)->vt, &iter );
706 g_signal_connect_swapped ( G_OBJECT(trw), "update", G_CALLBACK(vik_layer_emit_update_secondary), vgl );
710 const GList *vik_gps_layer_get_children ( VikGpsLayer *vgl )
714 if (vgl->children == NULL) {
715 for (i = NUM_TRW - 1; i >= 0; i--)
716 vgl->children = g_list_prepend(vgl->children, vgl->trw_children[i]);
718 return vgl->children;
721 VikTrwLayer * vik_gps_layer_get_a_child(VikGpsLayer *vgl)
723 g_assert ((vgl->cur_read_child >= 0) && (vgl->cur_read_child < NUM_TRW));
725 VikTrwLayer * vtl = vgl->trw_children[vgl->cur_read_child];
726 if (++(vgl->cur_read_child) >= NUM_TRW)
727 vgl->cur_read_child = 0;
731 gboolean vik_gps_layer_is_empty ( VikGpsLayer *vgl )
733 if ( vgl->trw_children[0] )
738 static void gps_layer_drag_drop_request ( VikGpsLayer *val_src, VikGpsLayer *val_dest, GtkTreeIter *src_item_iter, GtkTreePath *dest_path )
740 VikTreeview *vt = VIK_LAYER(val_src)->vt;
741 VikLayer *vl = vik_treeview_item_get_pointer(vt, src_item_iter);
742 GtkTreeIter dest_iter;
744 gboolean target_exists;
746 dp = gtk_tree_path_to_string(dest_path);
747 target_exists = vik_treeview_get_iter_from_path_str(vt, &dest_iter, dp);
749 /* vik_gps_layer_delete unrefs, but we don't want that here.
750 * we're still using the layer. */
752 vik_gps_layer_delete(val_src, src_item_iter);
757 static void gps_session_delete(GpsSession *sess)
760 g_mutex_free(sess->mutex);
761 g_free(sess->cmd_args);
767 static void set_total_count(gint cnt, GpsSession *sess)
771 g_mutex_lock(sess->mutex);
773 const gchar *tmp_str;
774 if (sess->direction == GPS_DOWN)
776 if (sess->progress_label == sess->wp_label)
777 tmp_str = ngettext("Downloading %d waypoint...", "Downloading %d waypoints...", cnt);
779 tmp_str = ngettext("Downloading %d trackpoint...", "Downloading %d trackpoints...", cnt);
783 if (sess->progress_label == sess->wp_label)
784 tmp_str = ngettext("Uploading %d waypoint...", "Uploading %d waypoints...", cnt);
786 tmp_str = ngettext("Uploading %d trackpoint...", "Uploading %d trackpoints...", cnt);
789 g_snprintf(s, 128, tmp_str, cnt);
790 gtk_label_set_text ( GTK_LABEL(sess->progress_label), s );
791 gtk_widget_show ( sess->progress_label );
792 sess->total_count = cnt;
794 g_mutex_unlock(sess->mutex);
798 static void set_current_count(gint cnt, GpsSession *sess)
801 const gchar *tmp_str;
804 g_mutex_lock(sess->mutex);
806 if (cnt < sess->total_count) {
807 if (sess->direction == GPS_DOWN)
809 if (sess->progress_label == sess->wp_label)
810 tmp_str = ngettext("Downloaded %d out of %d waypoint...", "Downloaded %d out of %d waypoints...", sess->total_count);
812 tmp_str = ngettext("Downloaded %d out of %d trackpoint...", "Downloaded %d out of %d trackpoints...", sess->total_count);
815 if (sess->progress_label == sess->wp_label)
816 tmp_str = ngettext("Uploaded %d out of %d waypoint...", "Uploaded %d out of %d waypoints...", sess->total_count);
818 tmp_str = ngettext("Uploaded %d out of %d trackpoint...", "Uploaded %d out of %d trackpoints...", sess->total_count);
820 g_snprintf(s, 128, tmp_str, cnt, sess->total_count);
822 if (sess->direction == GPS_DOWN)
824 if (sess->progress_label == sess->wp_label)
825 tmp_str = ngettext("Downloaded %d waypoint", "Downloaded %d waypoints", cnt);
827 tmp_str = ngettext("Downloaded %d trackpoint", "Downloaded %d trackpoints", cnt);
830 if (sess->progress_label == sess->wp_label)
831 tmp_str = ngettext("Uploaded %d waypoint", "Uploaded %d waypoints", cnt);
833 tmp_str = ngettext("Uploaded %d trackpoint", "Uploaded %d trackpoints", cnt);
835 g_snprintf(s, 128, tmp_str, cnt);
837 gtk_label_set_text ( GTK_LABEL(sess->progress_label), s );
839 g_mutex_unlock(sess->mutex);
843 static void set_gps_info(const gchar *info, GpsSession *sess)
847 g_mutex_lock(sess->mutex);
849 g_snprintf(s, 256, _("GPS Device: %s"), info);
850 gtk_label_set_text ( GTK_LABEL(sess->gps_label), s );
852 g_mutex_unlock(sess->mutex);
856 static void gps_download_progress_func(BabelProgressCode c, gpointer data, GpsSession * sess )
860 gdk_threads_enter ();
861 g_mutex_lock(sess->mutex);
863 g_mutex_unlock(sess->mutex);
864 gps_session_delete(sess);
866 g_thread_exit ( NULL );
868 g_mutex_unlock(sess->mutex);
869 gdk_threads_leave ();
872 case BABEL_DIAG_OUTPUT:
873 line = (gchar *)data;
875 /* tells us how many items there will be */
876 if (strstr(line, "Xfer Wpt")) {
877 sess->progress_label = sess->wp_label;
879 if (strstr(line, "Xfer Trk")) {
880 sess->progress_label = sess->trk_label;
882 if (strstr(line, "PRDDAT")) {
883 gchar **tokens = g_strsplit(line, " ", 0);
889 while (tokens[n_tokens])
893 for (i=8; tokens[i] && ilen < sizeof(info)-2 && strcmp(tokens[i], "00"); i++) {
895 sscanf(tokens[i], "%x", &ch);
899 set_gps_info(info, sess);
903 /* eg: "Unit:\teTrex Legend HCx Software Version 2.90\n" */
904 if (strstr(line, "Unit:")) {
905 gchar **tokens = g_strsplit(line, "\t", 0);
907 while (tokens[n_tokens])
911 set_gps_info(tokens[1], sess);
915 if (strstr(line, "RECORD")) {
918 if (strlen(line) > 20) {
919 sscanf(line+17, "%x", &lsb);
920 sscanf(line+20, "%x", &msb);
921 cnt = lsb + msb * 256;
922 set_total_count(cnt, sess);
926 if ( strstr(line, "WPTDAT") || strstr(line, "TRKHDR") || strstr(line, "TRKDAT") ) {
928 set_current_count(sess->count, sess);
939 static void gps_upload_progress_func(BabelProgressCode c, gpointer data, GpsSession * sess )
944 gdk_threads_enter ();
945 g_mutex_lock(sess->mutex);
947 g_mutex_unlock(sess->mutex);
948 gps_session_delete(sess);
950 g_thread_exit ( NULL );
952 g_mutex_unlock(sess->mutex);
953 gdk_threads_leave ();
956 case BABEL_DIAG_OUTPUT:
957 line = (gchar *)data;
959 if (strstr(line, "PRDDAT")) {
960 gchar **tokens = g_strsplit(line, " ", 0);
966 while (tokens[n_tokens])
970 for (i=8; tokens[i] && ilen < sizeof(info)-2 && strcmp(tokens[i], "00"); i++) {
972 sscanf(tokens[i], "%x", &ch);
976 set_gps_info(info, sess);
980 if (strstr(line, "RECORD")) {
983 if (strlen(line) > 20) {
984 sscanf(line+17, "%x", &lsb);
985 sscanf(line+20, "%x", &msb);
986 cnt = lsb + msb * 256;
987 /* set_total_count(cnt, sess); */
991 if ( strstr(line, "WPTDAT")) {
992 if (sess->count == 0) {
993 sess->progress_label = sess->wp_label;
994 set_total_count(cnt, sess);
997 set_current_count(sess->count, sess);
1000 if ( strstr(line, "TRKHDR") || strstr(line, "TRKDAT") ) {
1001 if (sess->count == 0) {
1002 sess->progress_label = sess->trk_label;
1003 set_total_count(cnt, sess);
1006 set_current_count(sess->count, sess);
1017 static void gps_comm_thread(GpsSession *sess)
1021 if (sess->direction == GPS_DOWN)
1022 result = a_babel_convert_from (sess->vtl, sess->cmd_args,
1023 (BabelStatusFunc) gps_download_progress_func, sess->port, sess);
1025 result = a_babel_convert_to (sess->vtl, sess->cmd_args,
1026 (BabelStatusFunc) gps_upload_progress_func, sess->port, sess);
1028 gdk_threads_enter();
1030 gtk_label_set_text ( GTK_LABEL(sess->status_label), _("Error: couldn't find gpsbabel.") );
1033 g_mutex_lock(sess->mutex);
1035 gtk_label_set_text ( GTK_LABEL(sess->status_label), _("Done.") );
1036 gtk_dialog_set_response_sensitive ( GTK_DIALOG(sess->dialog), GTK_RESPONSE_ACCEPT, TRUE );
1037 gtk_dialog_set_response_sensitive ( GTK_DIALOG(sess->dialog), GTK_RESPONSE_REJECT, FALSE );
1039 /* Do not change the view if we are following the current GPS position */
1040 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
1041 if (!sess->realtime_tracking)
1045 /* View the data available */
1046 vik_trw_layer_auto_set_view ( sess->vtl, sess->vvp) ;
1047 vik_layer_emit_update ( VIK_LAYER(sess->vtl) );
1053 g_mutex_unlock(sess->mutex);
1056 g_mutex_lock(sess->mutex);
1059 g_mutex_unlock(sess->mutex);
1062 g_mutex_unlock(sess->mutex);
1063 gps_session_delete(sess);
1065 gdk_threads_leave();
1066 g_thread_exit(NULL);
1069 static gint gps_comm(VikTrwLayer *vtl, gps_dir dir, vik_gps_proto proto, gchar *port, gboolean tracking, VikViewport *vvp) {
1070 GpsSession *sess = g_malloc(sizeof(GpsSession));
1072 sess->mutex = g_mutex_new();
1073 sess->direction = dir;
1075 sess->port = g_strdup(port);
1077 sess->cmd_args = g_strdup_printf("-D 9 -t -w -%c %s",
1078 (dir == GPS_DOWN) ? 'i' : 'o', protocols_args[proto]);
1079 sess->window_title = (dir == GPS_DOWN) ? _("GPS Download") : _("GPS Upload");
1081 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
1082 sess->realtime_tracking = tracking;
1084 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 );
1085 gtk_dialog_set_response_sensitive ( GTK_DIALOG(sess->dialog),
1086 GTK_RESPONSE_ACCEPT, FALSE );
1087 gtk_window_set_title ( GTK_WINDOW(sess->dialog), sess->window_title );
1089 sess->status_label = gtk_label_new (_("Status: detecting gpsbabel"));
1090 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(sess->dialog)->vbox),
1091 sess->status_label, FALSE, FALSE, 5 );
1092 gtk_widget_show_all(sess->status_label);
1094 sess->gps_label = gtk_label_new (_("GPS device: N/A"));
1095 sess->ver_label = gtk_label_new ("");
1096 sess->id_label = gtk_label_new ("");
1097 sess->wp_label = gtk_label_new ("");
1098 sess->trk_label = gtk_label_new ("");
1100 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(sess->dialog)->vbox), sess->gps_label, FALSE, FALSE, 5 );
1101 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(sess->dialog)->vbox), sess->wp_label, FALSE, FALSE, 5 );
1102 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(sess->dialog)->vbox), sess->trk_label, FALSE, FALSE, 5 );
1104 gtk_widget_show_all(sess->dialog);
1106 sess->progress_label = sess->wp_label;
1107 sess->total_count = -1;
1109 /* TODO: starting gps read/write thread here */
1110 g_thread_create((GThreadFunc)gps_comm_thread, sess, FALSE, NULL );
1112 gtk_dialog_set_default_response ( GTK_DIALOG(sess->dialog), GTK_RESPONSE_ACCEPT );
1113 gtk_dialog_run(GTK_DIALOG(sess->dialog));
1115 gtk_widget_destroy(sess->dialog);
1117 g_mutex_lock(sess->mutex);
1119 sess->ok = FALSE; /* tell thread to stop */
1120 g_mutex_unlock(sess->mutex);
1123 g_mutex_unlock(sess->mutex);
1124 gps_session_delete(sess);
1130 static void gps_upload_cb( gpointer layer_and_vlp[2] )
1132 VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
1133 VikTrwLayer *vtl = vgl->trw_children[TRW_UPLOAD];
1134 gps_comm(vtl, GPS_UP, vgl->protocol_id, vgl->serial_port, FALSE, NULL);
1137 static void gps_download_cb( gpointer layer_and_vlp[2] )
1139 VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
1140 VikTrwLayer *vtl = vgl->trw_children[TRW_DOWNLOAD];
1141 VikWindow *vw = VIK_WINDOW(VIK_GTK_WINDOW_FROM_LAYER(vgl));
1142 VikViewport *vvp = vik_window_viewport(vw);
1143 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
1144 gps_comm(vtl, GPS_DOWN, vgl->protocol_id, vgl->serial_port, vgl->realtime_tracking, vvp);
1146 gps_comm(vtl, GPS_DOWN, vgl->protocol_id, vgl->serial_port, FALSE, vvp);
1150 static void gps_empty_upload_cb( gpointer layer_and_vlp[2] )
1152 VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
1153 vik_trw_layer_delete_all_waypoints ( vgl-> trw_children[TRW_UPLOAD]);
1154 vik_trw_layer_delete_all_tracks ( vgl-> trw_children[TRW_UPLOAD]);
1157 static void gps_empty_download_cb( gpointer layer_and_vlp[2] )
1159 VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
1160 vik_trw_layer_delete_all_waypoints ( vgl-> trw_children[TRW_DOWNLOAD]);
1161 vik_trw_layer_delete_all_tracks ( vgl-> trw_children[TRW_DOWNLOAD]);
1164 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
1165 static void gps_empty_realtime_cb( gpointer layer_and_vlp[2] )
1167 VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
1168 vik_trw_layer_delete_all_waypoints ( vgl-> trw_children[TRW_REALTIME]);
1169 vik_trw_layer_delete_all_tracks ( vgl-> trw_children[TRW_REALTIME]);
1173 static void gps_empty_all_cb( gpointer layer_and_vlp[2] )
1175 VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
1176 vik_trw_layer_delete_all_waypoints ( vgl-> trw_children[TRW_UPLOAD]);
1177 vik_trw_layer_delete_all_tracks ( vgl-> trw_children[TRW_UPLOAD]);
1178 vik_trw_layer_delete_all_waypoints ( vgl-> trw_children[TRW_DOWNLOAD]);
1179 vik_trw_layer_delete_all_tracks ( vgl-> trw_children[TRW_DOWNLOAD]);
1180 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
1181 vik_trw_layer_delete_all_waypoints ( vgl-> trw_children[TRW_REALTIME]);
1182 vik_trw_layer_delete_all_tracks ( vgl-> trw_children[TRW_REALTIME]);
1186 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
1187 static void rt_gpsd_disconnect(VikGpsLayer *vgl);
1188 static gboolean rt_gpsd_connect(VikGpsLayer *vgl, gboolean ask_if_failed);
1190 static void realtime_tracking_draw(VikGpsLayer *vgl, VikViewport *vp)
1194 struct LatLon lnw, lse;
1195 vik_viewport_screen_to_coord ( vp, -20, -20, &nw );
1196 vik_viewport_screen_to_coord ( vp, vik_viewport_get_width(vp)+20, vik_viewport_get_width(vp)+20, &se );
1197 vik_coord_to_latlon ( &nw, &lnw );
1198 vik_coord_to_latlon ( &se, &lse );
1199 if ( vgl->realtime_fix.fix.latitude > lse.lat &&
1200 vgl->realtime_fix.fix.latitude < lnw.lat &&
1201 vgl->realtime_fix.fix.longitude > lnw.lon &&
1202 vgl->realtime_fix.fix.longitude < lse.lon ) {
1205 gint half_back_x, half_back_y;
1206 gint half_back_bg_x, half_back_bg_y;
1208 gint ptbg_x, ptbg_y;
1209 gint side1_x, side1_y, side2_x, side2_y;
1210 gint side1bg_x, side1bg_y, side2bg_x, side2bg_y;
1212 ll.lat = vgl->realtime_fix.fix.latitude;
1213 ll.lon = vgl->realtime_fix.fix.longitude;
1214 vik_coord_load_from_latlon ( &gps, vik_viewport_get_coord_mode(vp), &ll);
1215 vik_viewport_coord_to_screen ( vp, &gps, &x, &y );
1217 gdouble heading_cos = cos(M_PI/180*vgl->realtime_fix.fix.track);
1218 gdouble heading_sin = sin(M_PI/180*vgl->realtime_fix.fix.track);
1220 half_back_y = y+8*heading_cos;
1221 half_back_x = x-8*heading_sin;
1222 half_back_bg_y = y+10*heading_cos;
1223 half_back_bg_x = x-10*heading_sin;
1225 pt_y = half_back_y-24*heading_cos;
1226 pt_x = half_back_x+24*heading_sin;
1227 ptbg_y = half_back_bg_y-28*heading_cos;
1228 ptbg_x = half_back_bg_x+28*heading_sin;
1230 side1_y = half_back_y+9*heading_sin;
1231 side1_x = half_back_x+9*heading_cos;
1232 side1bg_y = half_back_bg_y+11*heading_sin;
1233 side1bg_x = half_back_bg_x+11*heading_cos;
1235 side2_y = half_back_y-9*heading_sin;
1236 side2_x = half_back_x-9*heading_cos;
1237 side2bg_y = half_back_bg_y-11*heading_sin;
1238 side2bg_x = half_back_bg_x-11*heading_cos;
1240 GdkPoint trian[3] = { { pt_x, pt_y }, {side1_x, side1_y}, {side2_x, side2_y} };
1241 GdkPoint trian_bg[3] = { { ptbg_x, pt_y }, {side1bg_x, side1bg_y}, {side2bg_x, side2bg_y} };
1243 vik_viewport_draw_polygon ( vp, vgl->realtime_track_bg_gc, TRUE, trian_bg, 3 );
1244 vik_viewport_draw_polygon ( vp, vgl->realtime_track_gc, TRUE, trian, 3 );
1245 vik_viewport_draw_rectangle ( vp,
1246 (vgl->realtime_fix.fix.mode > MODE_2D) ? vgl->realtime_track_pt2_gc : vgl->realtime_track_pt1_gc,
1247 TRUE, x-2, y-2, 4, 4 );
1248 //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;
1252 static void create_realtime_trackpoint(VikGpsLayer *vgl, gboolean forced)
1257 /* Note that fix.time is a double, but it should not affect the precision
1259 time_t cur_timestamp = vgl->realtime_fix.fix.time;
1260 time_t last_timestamp = vgl->last_fix.fix.time;
1262 if (cur_timestamp < last_timestamp) {
1266 if (vgl->realtime_record && vgl->realtime_fix.dirty) {
1267 gboolean replace = FALSE;
1268 int heading = (int)floor(vgl->realtime_fix.fix.track);
1269 int last_heading = (int)floor(vgl->last_fix.fix.track);
1270 int alt = isnan(vgl->realtime_fix.fix.altitude) ? VIK_DEFAULT_ALTITUDE : floor(vgl->realtime_fix.fix.altitude);
1271 int last_alt = isnan(vgl->last_fix.fix.altitude) ? VIK_DEFAULT_ALTITUDE : floor(vgl->last_fix.fix.altitude);
1272 if (((last_tp = g_list_last(vgl->realtime_track->trackpoints)) != NULL) &&
1273 (vgl->realtime_fix.fix.mode > MODE_2D) &&
1274 (vgl->last_fix.fix.mode <= MODE_2D) &&
1275 ((cur_timestamp - last_timestamp) < 2)) {
1276 g_free(last_tp->data);
1277 vgl->realtime_track->trackpoints = g_list_delete_link(vgl->realtime_track->trackpoints, last_tp);
1281 ((cur_timestamp != last_timestamp) &&
1283 ((heading < last_heading) && (heading < (last_heading - 3))) ||
1284 ((heading > last_heading) && (heading > (last_heading + 3))) ||
1285 ((alt != VIK_DEFAULT_ALTITUDE) && (alt != last_alt)))))) {
1286 /* TODO: check for new segments */
1287 VikTrackpoint *tp = vik_trackpoint_new();
1288 tp->newsegment = FALSE;
1289 tp->has_timestamp = TRUE;
1290 tp->timestamp = vgl->realtime_fix.fix.time;
1292 /* speed only available for 3D fix. Check for NAN when use this speed */
1293 tp->speed = vgl->realtime_fix.fix.speed;
1294 tp->course = vgl->realtime_fix.fix.track;
1295 tp->nsats = vgl->realtime_fix.satellites_used;
1296 tp->fix_mode = vgl->realtime_fix.fix.mode;
1298 ll.lat = vgl->realtime_fix.fix.latitude;
1299 ll.lon = vgl->realtime_fix.fix.longitude;
1300 vik_coord_load_from_latlon(&tp->coord,
1301 vik_trw_layer_get_coord_mode(vgl->trw_children[TRW_REALTIME]), &ll);
1303 vgl->realtime_track->trackpoints = g_list_append(vgl->realtime_track->trackpoints, tp);
1304 vgl->realtime_fix.dirty = FALSE;
1305 vgl->realtime_fix.satellites_used = 0;
1306 vgl->last_fix = vgl->realtime_fix;
1312 static void gpsd_raw_hook(VglGpsd *vgpsd, gchar *data)
1314 gboolean update_all = FALSE;
1315 VikGpsLayer *vgl = vgpsd->vgl;
1317 if (!vgl->realtime_tracking) {
1318 g_warning("%s: receiving GPS data while not in realtime mode", __PRETTY_FUNCTION__);
1322 if ((vgpsd->gpsd.fix.mode >= MODE_2D) &&
1323 !isnan(vgpsd->gpsd.fix.latitude) &&
1324 !isnan(vgpsd->gpsd.fix.longitude) &&
1325 !isnan(vgpsd->gpsd.fix.track)) {
1327 VikWindow *vw = VIK_WINDOW(VIK_GTK_WINDOW_FROM_LAYER(vgl));
1328 VikViewport *vvp = vik_window_viewport(vw);
1329 vgl->realtime_fix.fix = vgpsd->gpsd.fix;
1330 vgl->realtime_fix.satellites_used = vgpsd->gpsd.satellites_used;
1331 vgl->realtime_fix.dirty = TRUE;
1334 VikCoord vehicle_coord;
1336 ll.lat = vgl->realtime_fix.fix.latitude;
1337 ll.lon = vgl->realtime_fix.fix.longitude;
1338 vik_coord_load_from_latlon(&vehicle_coord,
1339 vik_trw_layer_get_coord_mode(vgl->trw_children[TRW_REALTIME]), &ll);
1341 if ((vgl->vehicle_position == VEHICLE_POSITION_CENTERED) ||
1342 (vgl->realtime_jump_to_start && vgl->first_realtime_trackpoint)) {
1343 vik_viewport_set_center_coord(vvp, &vehicle_coord);
1346 else if (vgl->vehicle_position == VEHICLE_POSITION_ON_SCREEN) {
1349 const int px = 20; /* adjust ment in pixels to make sure vehicle is inside the box */
1350 gint width = vik_viewport_get_width(vvp);
1351 gint height = vik_viewport_get_height(vvp);
1354 vik_viewport_coord_to_screen(vvp, &vehicle_coord, &vx, &vy);
1356 if (vx < (width/hdiv))
1357 vik_viewport_set_center_screen(vvp, vx - width/2 + width/hdiv + px, vy);
1358 else if (vx > (width - width/hdiv))
1359 vik_viewport_set_center_screen(vvp, vx + width/2 - width/hdiv - px, vy);
1360 else if (vy < (height/vdiv))
1361 vik_viewport_set_center_screen(vvp, vx, vy - height/2 + height/vdiv + px);
1362 else if (vy > (height - height/vdiv))
1363 vik_viewport_set_center_screen(vvp, vx, vy + height/2 - height/vdiv - px);
1368 vgl->first_realtime_trackpoint = FALSE;
1369 create_realtime_trackpoint(vgl, FALSE);
1371 gdk_threads_enter();
1372 vik_layer_emit_update ( update_all ? VIK_LAYER(vgl) : VIK_LAYER(vgl->trw_children[TRW_REALTIME]));
1373 gdk_threads_leave();
1377 static gboolean gpsd_data_available(GIOChannel *source, GIOCondition condition, gpointer data)
1379 VikGpsLayer *vgl = data;
1380 if (condition == G_IO_IN) {
1381 if (!gps_poll(&vgl->vgpsd->gpsd))
1384 g_warning("Disconnected from gpsd. Trying to reconnect");
1385 rt_gpsd_disconnect(vgl);
1386 rt_gpsd_connect(vgl, FALSE);
1389 return FALSE; /* no further calling */
1392 static gchar *make_track_name(VikTrwLayer *vtl)
1394 const gchar basename[] = "REALTIME";
1395 const gint bufsize = sizeof(basename) + 5;
1396 gchar *name = g_malloc(bufsize);
1397 strcpy(name, basename);
1400 while (vik_trw_layer_get_track(vtl, name) != NULL) {
1401 g_snprintf(name, bufsize, "%s#%d", basename, i);
1408 static gboolean rt_gpsd_try_connect(gpointer *data)
1410 VikGpsLayer *vgl = (VikGpsLayer *)data;
1411 #ifndef HAVE_GPS_OPEN_R
1412 struct gps_data_t *gpsd = gps_open(vgl->gpsd_host, vgl->gpsd_port);
1416 vgl->vgpsd = g_malloc(sizeof(VglGpsd));
1418 if (gps_open_r(vgl->gpsd_host, vgl->gpsd_port, /*(struct gps_data_t *)*/vgl->vgpsd) != 0) {
1420 g_warning("Failed to connect to gpsd at %s (port %s). Will retry in %d seconds",
1421 vgl->gpsd_host, vgl->gpsd_port, vgl->gpsd_retry_interval);
1422 return TRUE; /* keep timer running */
1425 #ifndef HAVE_GPS_OPEN_R
1426 vgl->vgpsd = realloc(gpsd, sizeof(VglGpsd));
1428 vgl->vgpsd->vgl = vgl;
1430 vgl->realtime_fix.dirty = vgl->last_fix.dirty = FALSE;
1431 /* track alt/time graph uses VIK_DEFAULT_ALTITUDE (0.0) as invalid */
1432 vgl->realtime_fix.fix.altitude = vgl->last_fix.fix.altitude = VIK_DEFAULT_ALTITUDE;
1433 vgl->realtime_fix.fix.speed = vgl->last_fix.fix.speed = NAN;
1435 if (vgl->realtime_record) {
1436 VikTrwLayer *vtl = vgl->trw_children[TRW_REALTIME];
1437 vgl->realtime_track = vik_track_new();
1438 vgl->realtime_track->visible = TRUE;
1439 vgl->realtime_track_name = make_track_name(vtl);
1440 vik_trw_layer_add_track(vtl, vgl->realtime_track_name, vgl->realtime_track);
1443 gps_set_raw_hook(&vgl->vgpsd->gpsd, gpsd_raw_hook);
1444 vgl->realtime_io_channel = g_io_channel_unix_new(vgl->vgpsd->gpsd.gps_fd);
1445 vgl->realtime_io_watch_id = g_io_add_watch( vgl->realtime_io_channel,
1446 G_IO_IN | G_IO_ERR | G_IO_HUP, gpsd_data_available, vgl);
1448 gps_stream(&vgl->vgpsd->gpsd, WATCH_ENABLE, NULL);
1450 gps_query(&vgl->vgpsd->gpsd, "w+x");
1452 return FALSE; /* no longer called by timeout */
1455 static gboolean rt_ask_retry(VikGpsLayer *vgl)
1457 GtkWidget *dialog = gtk_message_dialog_new (VIK_GTK_WINDOW_FROM_LAYER(vgl),
1458 GTK_DIALOG_DESTROY_WITH_PARENT,
1459 GTK_MESSAGE_QUESTION,
1461 "Failed to connect to gpsd at %s (port %s)\n"
1462 "Should Viking keep trying (every %d seconds)?",
1463 vgl->gpsd_host, vgl->gpsd_port,
1464 vgl->gpsd_retry_interval);
1466 gint res = gtk_dialog_run(GTK_DIALOG(dialog));
1467 gtk_widget_destroy(dialog);
1468 return (res == GTK_RESPONSE_YES);
1471 static gboolean rt_gpsd_connect(VikGpsLayer *vgl, gboolean ask_if_failed)
1473 vgl->realtime_retry_timer = 0;
1474 if (rt_gpsd_try_connect((gpointer *)vgl)) {
1475 if (vgl->gpsd_retry_interval <= 0) {
1476 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);
1479 else if (ask_if_failed && !rt_ask_retry(vgl))
1482 vgl->realtime_retry_timer = g_timeout_add_seconds(vgl->gpsd_retry_interval,
1483 (GSourceFunc)rt_gpsd_try_connect, (gpointer *)vgl);
1488 static void rt_gpsd_disconnect(VikGpsLayer *vgl)
1490 if (vgl->realtime_io_watch_id) {
1491 g_source_remove(vgl->realtime_io_watch_id);
1492 vgl->realtime_io_watch_id = 0;
1494 if (vgl->realtime_retry_timer) {
1495 g_source_remove(vgl->realtime_retry_timer);
1496 vgl->realtime_retry_timer = 0;
1498 if (vgl->realtime_io_channel) {
1499 GError *error = NULL;
1500 g_io_channel_shutdown (vgl->realtime_io_channel, FALSE, &error);
1501 vgl->realtime_io_channel = NULL;
1504 gps_close(&vgl->vgpsd->gpsd);
1505 #ifdef HAVE_GPS_OPEN_R
1513 if (vgl->realtime_record && vgl->realtime_track) {
1514 create_realtime_trackpoint(vgl, TRUE);
1515 if ((vgl->realtime_track->trackpoints == NULL) || (vgl->realtime_track->trackpoints->next == NULL))
1516 vik_trw_layer_delete_track(vgl->trw_children[TRW_REALTIME], vgl->realtime_track_name);
1517 vgl->realtime_track = NULL;
1521 static void gps_start_stop_tracking_cb( gpointer layer_and_vlp[2])
1523 VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
1524 vgl->realtime_tracking = (vgl->realtime_tracking == FALSE);
1526 /* Make sure we are still in the boat with libgps */
1527 g_assert((VIK_GPS_MODE_2D == MODE_2D) && (VIK_GPS_MODE_3D == MODE_3D));
1529 if (vgl->realtime_tracking) {
1530 vgl->first_realtime_trackpoint = TRUE;
1531 if (!rt_gpsd_connect(vgl, TRUE)) {
1532 vgl->first_realtime_trackpoint = FALSE;
1533 vgl->realtime_tracking = FALSE;
1536 else { /* stop realtime tracking */
1537 vgl->first_realtime_trackpoint = FALSE;
1538 rt_gpsd_disconnect(vgl);
1541 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */