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,
205 (VikLayerFuncMarshall) gps_layer_marshall,
206 (VikLayerFuncUnmarshall) gps_layer_unmarshall,
208 (VikLayerFuncSetParam) gps_layer_set_param,
209 (VikLayerFuncGetParam) gps_layer_get_param,
211 (VikLayerFuncReadFileData) NULL,
212 (VikLayerFuncWriteFileData) NULL,
214 (VikLayerFuncDeleteItem) NULL,
215 (VikLayerFuncCutItem) NULL,
216 (VikLayerFuncCopyItem) NULL,
217 (VikLayerFuncPasteItem) NULL,
218 (VikLayerFuncFreeCopiedItem) NULL,
219 (VikLayerFuncDragDropRequest) gps_layer_drag_drop_request,
222 enum {TRW_DOWNLOAD=0, TRW_UPLOAD,
223 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
227 static gchar * trw_names[] = {
228 N_("GPS Download"), N_("GPS Upload"),
229 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
230 N_("GPS Realtime Tracking"),
234 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
236 struct gps_data_t gpsd;
241 struct gps_fix_t fix;
242 gint satellites_used;
243 gboolean dirty; /* needs to be saved */
245 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
247 struct _VikGpsLayer {
249 VikTrwLayer * trw_children[NUM_TRW];
250 GList * children; /* used only for writing file */
251 int cur_read_child; /* used only for reading file */
252 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
254 gboolean realtime_tracking; /* set/reset only by the callback */
255 gboolean first_realtime_trackpoint;
259 VikTrack *realtime_track;
260 gchar *realtime_track_name;
262 GIOChannel *realtime_io_channel;
263 guint realtime_io_watch_id;
264 guint realtime_retry_timer;
265 GdkGC *realtime_track_gc;
266 GdkGC *realtime_track_bg_gc;
267 GdkGC *realtime_track_pt_gc;
268 GdkGC *realtime_track_pt1_gc;
269 GdkGC *realtime_track_pt2_gc;
274 gint gpsd_retry_interval;
275 gboolean realtime_record;
276 gboolean realtime_jump_to_start;
277 guint vehicle_position;
278 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
283 GType vik_gps_layer_get_type ()
285 static GType val_type = 0;
289 static const GTypeInfo val_info =
291 sizeof (VikGpsLayerClass),
292 NULL, /* base_init */
293 NULL, /* base_finalize */
294 NULL, /* class init */
295 NULL, /* class_finalize */
296 NULL, /* class_data */
297 sizeof (VikGpsLayer),
299 NULL /* instance init */
301 val_type = g_type_register_static ( VIK_LAYER_TYPE, "VikGpsLayer", &val_info, 0 );
307 static VikGpsLayer *vik_gps_layer_create (VikViewport *vp)
311 VikGpsLayer *rv = vik_gps_layer_new (vp);
312 vik_layer_rename ( VIK_LAYER(rv), vik_gps_layer_interface.name );
314 for (i = 0; i < NUM_TRW; i++) {
315 rv->trw_children[i] = VIK_TRW_LAYER(vik_layer_create ( VIK_LAYER_TRW, vp, NULL, FALSE ));
316 vik_layer_set_menu_items_selection(VIK_LAYER(rv->trw_children[i]), VIK_MENU_ITEM_ALL & ~(VIK_MENU_ITEM_CUT|VIK_MENU_ITEM_DELETE));
321 static const gchar* gps_layer_tooltip ( VikGpsLayer *vgl )
323 return params_protocols[vgl->protocol_id];
327 static void gps_layer_marshall( VikGpsLayer *vgl, guint8 **data, gint *datalen )
329 VikLayer *child_layer;
332 GByteArray* b = g_byte_array_new ();
336 #define alm_append(obj, sz) \
338 g_byte_array_append ( b, (guint8 *)&len, sizeof(len) ); \
339 g_byte_array_append ( b, (guint8 *)(obj), len );
341 vik_layer_marshall_params(VIK_LAYER(vgl), &ld, &ll);
345 for (i = 0; i < NUM_TRW; i++) {
346 child_layer = VIK_LAYER(vgl->trw_children[i]);
347 vik_layer_marshall(child_layer, &ld, &ll);
355 g_byte_array_free(b, FALSE);
360 static VikGpsLayer *gps_layer_unmarshall( guint8 *data, gint len, VikViewport *vvp )
362 #define alm_size (*(gint *)data)
364 len -= sizeof(gint) + alm_size; \
365 data += sizeof(gint) + alm_size;
367 VikGpsLayer *rv = vik_gps_layer_new(vvp);
368 VikLayer *child_layer;
371 vik_layer_unmarshall_params ( VIK_LAYER(rv), data+sizeof(gint), alm_size, vvp );
375 while (len>0 && i < NUM_TRW) {
376 child_layer = vik_layer_unmarshall ( data + sizeof(gint), alm_size, vvp );
378 rv->trw_children[i++] = (VikTrwLayer *)child_layer;
379 g_signal_connect_swapped ( G_OBJECT(child_layer), "update", G_CALLBACK(vik_layer_emit_update_secondary), rv );
383 // g_print("gps_layer_unmarshall ended with len=%d\n", len);
390 static gboolean gps_layer_set_param ( VikGpsLayer *vgl, guint16 id, VikLayerParamData data, VikViewport *vp, gboolean is_file_operation )
395 if (data.u < NUM_PROTOCOLS)
396 vgl->protocol_id = data.u;
398 g_warning(_("Unknown GPS Protocol"));
403 g_free(vgl->serial_port);
404 /* Compat: previous version stored serial_port as an array index */
405 int index = data.s[0] - '0';
406 if (data.s[0] != '\0' &&
407 g_ascii_isdigit (data.s[0]) &&
409 index < OLD_NUM_PORTS)
410 /* It is a single digit: activate compatibility */
411 vgl->serial_port = g_strdup(old_params_ports[index]);
413 vgl->serial_port = g_strdup(data.s);
414 g_debug("%s: %s", __FUNCTION__, vgl->serial_port);
417 g_warning(_("Unknown serial port device"));
419 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
420 case PARAM_GPSD_HOST:
422 g_free(vgl->gpsd_host);
423 vgl->gpsd_host = g_strdup(data.s);
425 case PARAM_GPSD_PORT:
427 g_free(vgl->gpsd_port);
428 vgl->gpsd_port = g_strdup(data.s); /* TODO: check for number */
430 case PARAM_GPSD_RETRY_INTERVAL:
431 vgl->gpsd_retry_interval = strtol(data.s, NULL, 10);
433 case PARAM_REALTIME_REC:
434 vgl->realtime_record = data.b;
436 case PARAM_REALTIME_CENTER_START:
437 vgl->realtime_jump_to_start = data.b;
439 case PARAM_VEHICLE_POSITION:
440 vgl->vehicle_position = data.u;
442 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
444 g_warning("gps_layer_set_param(): unknown parameter");
450 static VikLayerParamData gps_layer_get_param ( VikGpsLayer *vgl, guint16 id, gboolean is_file_operation )
452 VikLayerParamData rv;
456 rv.u = vgl->protocol_id;
459 rv.s = vgl->serial_port;
460 g_debug("%s: %s", __FUNCTION__, rv.s);
462 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
463 case PARAM_GPSD_HOST:
464 rv.s = vgl->gpsd_host ? vgl->gpsd_host : "";
466 case PARAM_GPSD_PORT:
467 rv.s = vgl->gpsd_port ? vgl->gpsd_port : g_strdup(DEFAULT_GPSD_PORT);
469 case PARAM_GPSD_RETRY_INTERVAL:
470 rv.s = g_strdup_printf("%d", vgl->gpsd_retry_interval);
472 case PARAM_REALTIME_REC:
473 rv.b = vgl->realtime_record;
475 case PARAM_REALTIME_CENTER_START:
476 rv.b = vgl->realtime_jump_to_start;
478 case PARAM_VEHICLE_POSITION:
479 rv.u = vgl->vehicle_position;
481 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
483 g_warning(_("%s: unknown parameter"), __FUNCTION__);
489 VikGpsLayer *vik_gps_layer_new (VikViewport *vp)
492 VikGpsLayer *vgl = VIK_GPS_LAYER ( g_object_new ( VIK_GPS_LAYER_TYPE, NULL ) );
493 vik_layer_init ( VIK_LAYER(vgl), VIK_LAYER_GPS );
494 for (i = 0; i < NUM_TRW; i++) {
495 vgl->trw_children[i] = NULL;
497 vgl->children = NULL;
498 vgl->cur_read_child = 0;
500 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
501 vgl->realtime_tracking = FALSE;
502 vgl->first_realtime_trackpoint = FALSE;
504 vgl->realtime_io_channel = NULL;
505 vgl->realtime_io_watch_id = 0;
506 vgl->realtime_retry_timer = 0;
507 vgl->realtime_track_gc = vik_viewport_new_gc ( vp, "#203070", 2 );
508 vgl->realtime_track_bg_gc = vik_viewport_new_gc ( vp, "grey", 2 );
509 vgl->realtime_track_pt1_gc = vik_viewport_new_gc ( vp, "red", 2 );
510 vgl->realtime_track_pt2_gc = vik_viewport_new_gc ( vp, "green", 2 );
511 vgl->realtime_track_pt_gc = vgl->realtime_track_pt1_gc;
512 vgl->realtime_track = NULL;
514 /* Setting params here */
515 vgl->gpsd_host = g_strdup("localhost");
516 vgl->gpsd_port = g_strdup(DEFAULT_GPSD_PORT);
517 vgl->realtime_record = TRUE;
518 vgl->realtime_jump_to_start = TRUE;
519 vgl->vehicle_position = VEHICLE_POSITION_ON_SCREEN;
520 vgl->gpsd_retry_interval = 10;
521 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
522 vgl->protocol_id = 0;
523 vgl->serial_port = NULL;
526 /* Attempt to auto set default USB serial port entry */
527 /* Ordered to make lowest device favourite if available */
528 if (g_access ("/dev/ttyUSB1", R_OK) == 0) {
529 if (vgl->serial_port != NULL)
530 g_free (vgl->serial_port);
531 vgl->serial_port = g_strdup ("/dev/ttyUSB1");
533 if (g_access ("/dev/ttyUSB0", R_OK) == 0) {
534 if (vgl->serial_port != NULL)
535 g_free (vgl->serial_port);
536 vgl->serial_port = g_strdup ("/dev/ttyUSB0");
543 static void vik_gps_layer_draw ( VikGpsLayer *vgl, gpointer data )
547 VikLayer *trigger = VIK_LAYER(vik_viewport_get_trigger( VIK_VIEWPORT(data) ));
549 for (i = 0; i < NUM_TRW; i++) {
550 vl = VIK_LAYER(vgl->trw_children[i]);
552 if ( vik_viewport_get_half_drawn ( VIK_VIEWPORT(data) ) ) {
553 vik_viewport_set_half_drawn ( VIK_VIEWPORT(data), FALSE );
554 vik_viewport_snapshot_load( VIK_VIEWPORT(data) );
556 vik_viewport_snapshot_save( VIK_VIEWPORT(data) );
559 if (!vik_viewport_get_half_drawn( VIK_VIEWPORT(data)))
560 vik_layer_draw ( vl, data );
562 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
563 if (vgl->realtime_tracking) {
564 if (VIK_LAYER(vgl) == trigger) {
565 if ( vik_viewport_get_half_drawn ( VIK_VIEWPORT(data) ) ) {
566 vik_viewport_set_half_drawn ( VIK_VIEWPORT(data), FALSE );
567 vik_viewport_snapshot_load( VIK_VIEWPORT(data) );
569 vik_viewport_snapshot_save( VIK_VIEWPORT(data) );
572 if (!vik_viewport_get_half_drawn( VIK_VIEWPORT(data)))
573 realtime_tracking_draw(vgl, VIK_VIEWPORT(data));
575 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
578 static void gps_layer_change_coord_mode ( VikGpsLayer *vgl, VikCoordMode mode )
581 for (i = 0; i < NUM_TRW; i++) {
582 vik_layer_change_coord_mode(VIK_LAYER(vgl->trw_children[i]), mode);
586 static void gps_layer_add_menu_items( VikGpsLayer *vgl, GtkMenu *menu, gpointer vlp )
588 static gpointer pass_along[2];
593 item = gtk_menu_item_new();
594 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
595 gtk_widget_show ( item );
597 item = gtk_menu_item_new_with_mnemonic ( _("_Upload to GPS") );
598 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_upload_cb), pass_along );
599 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
600 gtk_widget_show ( item );
602 item = gtk_menu_item_new_with_mnemonic ( _("Download from _GPS") );
603 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_download_cb), pass_along );
604 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
605 gtk_widget_show ( item );
607 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
608 item = gtk_menu_item_new_with_mnemonic ( vgl->realtime_tracking ?
609 "_Stop Realtime Tracking" :
610 "_Start Realtime Tracking" );
611 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_start_stop_tracking_cb), pass_along );
612 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
613 gtk_widget_show ( item );
615 item = gtk_menu_item_new();
616 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
617 gtk_widget_show ( item );
619 item = gtk_menu_item_new_with_mnemonic ( _("Empty _Realtime") );
620 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_empty_realtime_cb), pass_along );
621 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
622 gtk_widget_show ( item );
623 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
625 item = gtk_menu_item_new_with_mnemonic ( _("E_mpty Upload") );
626 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_empty_upload_cb), pass_along );
627 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
628 gtk_widget_show ( item );
630 item = gtk_menu_item_new_with_mnemonic ( _("_Empty Download") );
631 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_empty_download_cb), pass_along );
632 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
633 gtk_widget_show ( item );
635 item = gtk_menu_item_new_with_mnemonic ( _("Empty _All") );
636 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_empty_all_cb), pass_along );
637 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
638 gtk_widget_show ( item );
642 static void disconnect_layer_signal ( VikLayer *vl, VikGpsLayer *vgl )
644 guint number_handlers = DISCONNECT_UPDATE_SIGNAL(vl,vgl);
645 if ( number_handlers != 1 ) {
647 NB It's not fatal if this gives 2 for example! Hence removal of the g_assert
648 This happens when copied GPS layer is deleted (not sure why the number_handlers would be 2)
649 I don't think there's any side effects and certainly better than the program just aborting
651 g_warning(_("Unexpected number of disconnected handlers: %d"), number_handlers);
655 static void vik_gps_layer_free ( VikGpsLayer *vgl )
658 for (i = 0; i < NUM_TRW; i++) {
659 if (vgl->vl.realized)
660 disconnect_layer_signal(VIK_LAYER(vgl->trw_children[i]), vgl);
661 g_object_unref(vgl->trw_children[i]);
663 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
664 if (vgl->realtime_track_gc != NULL)
665 g_object_unref(vgl->realtime_track_gc);
666 if (vgl->realtime_track_bg_gc != NULL)
667 g_object_unref(vgl->realtime_track_bg_gc);
668 if (vgl->realtime_track_pt1_gc != NULL)
669 g_object_unref(vgl->realtime_track_pt1_gc);
670 if (vgl->realtime_track_pt2_gc != NULL)
671 g_object_unref(vgl->realtime_track_pt2_gc);
672 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
675 gboolean vik_gps_layer_delete ( VikGpsLayer *vgl, GtkTreeIter *iter )
678 VikLayer *l = VIK_LAYER( vik_treeview_item_get_pointer ( VIK_LAYER(vgl)->vt, iter ) );
679 gboolean was_visible = l->visible;
681 vik_treeview_item_delete ( VIK_LAYER(vgl)->vt, iter );
682 for (i = 0; i < NUM_TRW; i++) {
683 if (VIK_LAYER(vgl->trw_children[i]) == l)
684 vgl->trw_children[i] = NULL;
686 g_assert(DISCONNECT_UPDATE_SIGNAL(l,vgl)==1);
687 g_object_unref ( l );
692 static void vik_gps_layer_realize ( VikGpsLayer *vgl, VikTreeview *vt, GtkTreeIter *layer_iter )
697 for (ix = 0; ix < NUM_TRW; ix++) {
698 VikLayer * trw = VIK_LAYER(vgl->trw_children[ix]);
699 vik_treeview_add_layer ( VIK_LAYER(vgl)->vt, layer_iter, &iter,
700 _(trw_names[ix]), vgl,
701 trw, trw->type, trw->type );
702 if ( ! trw->visible )
703 vik_treeview_item_set_visible ( VIK_LAYER(vgl)->vt, &iter, FALSE );
704 vik_layer_realize ( trw, VIK_LAYER(vgl)->vt, &iter );
705 g_signal_connect_swapped ( G_OBJECT(trw), "update", G_CALLBACK(vik_layer_emit_update_secondary), vgl );
709 const GList *vik_gps_layer_get_children ( VikGpsLayer *vgl )
713 if (vgl->children == NULL) {
714 for (i = NUM_TRW - 1; i >= 0; i--)
715 vgl->children = g_list_prepend(vgl->children, vgl->trw_children[i]);
717 return vgl->children;
720 VikTrwLayer * vik_gps_layer_get_a_child(VikGpsLayer *vgl)
722 g_assert ((vgl->cur_read_child >= 0) && (vgl->cur_read_child < NUM_TRW));
724 VikTrwLayer * vtl = vgl->trw_children[vgl->cur_read_child];
725 if (++(vgl->cur_read_child) >= NUM_TRW)
726 vgl->cur_read_child = 0;
730 gboolean vik_gps_layer_is_empty ( VikGpsLayer *vgl )
732 if ( vgl->trw_children[0] )
737 static void gps_layer_drag_drop_request ( VikGpsLayer *val_src, VikGpsLayer *val_dest, GtkTreeIter *src_item_iter, GtkTreePath *dest_path )
739 VikTreeview *vt = VIK_LAYER(val_src)->vt;
740 VikLayer *vl = vik_treeview_item_get_pointer(vt, src_item_iter);
741 GtkTreeIter dest_iter;
743 gboolean target_exists;
745 dp = gtk_tree_path_to_string(dest_path);
746 target_exists = vik_treeview_get_iter_from_path_str(vt, &dest_iter, dp);
748 /* vik_gps_layer_delete unrefs, but we don't want that here.
749 * we're still using the layer. */
751 vik_gps_layer_delete(val_src, src_item_iter);
756 static void gps_session_delete(GpsSession *sess)
759 g_mutex_free(sess->mutex);
760 g_free(sess->cmd_args);
766 static void set_total_count(gint cnt, GpsSession *sess)
770 g_mutex_lock(sess->mutex);
772 const gchar *tmp_str;
773 if (sess->direction == GPS_DOWN)
775 if (sess->progress_label == sess->wp_label)
776 tmp_str = ngettext("Downloading %d waypoint...", "Downloading %d waypoints...", cnt);
778 tmp_str = ngettext("Downloading %d trackpoint...", "Downloading %d trackpoints...", cnt);
782 if (sess->progress_label == sess->wp_label)
783 tmp_str = ngettext("Uploading %d waypoint...", "Uploading %d waypoints...", cnt);
785 tmp_str = ngettext("Uploading %d trackpoint...", "Uploading %d trackpoints...", cnt);
788 g_snprintf(s, 128, tmp_str, cnt);
789 gtk_label_set_text ( GTK_LABEL(sess->progress_label), s );
790 gtk_widget_show ( sess->progress_label );
791 sess->total_count = cnt;
793 g_mutex_unlock(sess->mutex);
797 static void set_current_count(gint cnt, GpsSession *sess)
800 const gchar *tmp_str;
803 g_mutex_lock(sess->mutex);
805 if (cnt < sess->total_count) {
806 if (sess->direction == GPS_DOWN)
808 if (sess->progress_label == sess->wp_label)
809 tmp_str = ngettext("Downloaded %d out of %d waypoint...", "Downloaded %d out of %d waypoints...", sess->total_count);
811 tmp_str = ngettext("Downloaded %d out of %d trackpoint...", "Downloaded %d out of %d trackpoints...", sess->total_count);
814 if (sess->progress_label == sess->wp_label)
815 tmp_str = ngettext("Uploaded %d out of %d waypoint...", "Uploaded %d out of %d waypoints...", sess->total_count);
817 tmp_str = ngettext("Uploaded %d out of %d trackpoint...", "Uploaded %d out of %d trackpoints...", sess->total_count);
819 g_snprintf(s, 128, tmp_str, cnt, sess->total_count);
821 if (sess->direction == GPS_DOWN)
823 if (sess->progress_label == sess->wp_label)
824 tmp_str = ngettext("Downloaded %d waypoint", "Downloaded %d waypoints", cnt);
826 tmp_str = ngettext("Downloaded %d trackpoint", "Downloaded %d trackpoints", cnt);
829 if (sess->progress_label == sess->wp_label)
830 tmp_str = ngettext("Uploaded %d waypoint", "Uploaded %d waypoints", cnt);
832 tmp_str = ngettext("Uploaded %d trackpoint", "Uploaded %d trackpoints", cnt);
834 g_snprintf(s, 128, tmp_str, cnt);
836 gtk_label_set_text ( GTK_LABEL(sess->progress_label), s );
838 g_mutex_unlock(sess->mutex);
842 static void set_gps_info(const gchar *info, GpsSession *sess)
846 g_mutex_lock(sess->mutex);
848 g_snprintf(s, 256, _("GPS Device: %s"), info);
849 gtk_label_set_text ( GTK_LABEL(sess->gps_label), s );
851 g_mutex_unlock(sess->mutex);
855 static void gps_download_progress_func(BabelProgressCode c, gpointer data, GpsSession * sess )
859 gdk_threads_enter ();
860 g_mutex_lock(sess->mutex);
862 g_mutex_unlock(sess->mutex);
863 gps_session_delete(sess);
865 g_thread_exit ( NULL );
867 g_mutex_unlock(sess->mutex);
868 gdk_threads_leave ();
871 case BABEL_DIAG_OUTPUT:
872 line = (gchar *)data;
874 /* tells us how many items there will be */
875 if (strstr(line, "Xfer Wpt")) {
876 sess->progress_label = sess->wp_label;
878 if (strstr(line, "Xfer Trk")) {
879 sess->progress_label = sess->trk_label;
881 if (strstr(line, "PRDDAT")) {
882 gchar **tokens = g_strsplit(line, " ", 0);
888 while (tokens[n_tokens])
892 for (i=8; tokens[i] && ilen < sizeof(info)-2 && strcmp(tokens[i], "00"); i++) {
894 sscanf(tokens[i], "%x", &ch);
898 set_gps_info(info, sess);
902 /* eg: "Unit:\teTrex Legend HCx Software Version 2.90\n" */
903 if (strstr(line, "Unit:")) {
904 gchar **tokens = g_strsplit(line, "\t", 0);
906 while (tokens[n_tokens])
910 set_gps_info(tokens[1], sess);
914 if (strstr(line, "RECORD")) {
917 if (strlen(line) > 20) {
918 sscanf(line+17, "%x", &lsb);
919 sscanf(line+20, "%x", &msb);
920 cnt = lsb + msb * 256;
921 set_total_count(cnt, sess);
925 if ( strstr(line, "WPTDAT") || strstr(line, "TRKHDR") || strstr(line, "TRKDAT") ) {
927 set_current_count(sess->count, sess);
938 static void gps_upload_progress_func(BabelProgressCode c, gpointer data, GpsSession * sess )
943 gdk_threads_enter ();
944 g_mutex_lock(sess->mutex);
946 g_mutex_unlock(sess->mutex);
947 gps_session_delete(sess);
949 g_thread_exit ( NULL );
951 g_mutex_unlock(sess->mutex);
952 gdk_threads_leave ();
955 case BABEL_DIAG_OUTPUT:
956 line = (gchar *)data;
958 if (strstr(line, "PRDDAT")) {
959 gchar **tokens = g_strsplit(line, " ", 0);
965 while (tokens[n_tokens])
969 for (i=8; tokens[i] && ilen < sizeof(info)-2 && strcmp(tokens[i], "00"); i++) {
971 sscanf(tokens[i], "%x", &ch);
975 set_gps_info(info, sess);
979 if (strstr(line, "RECORD")) {
982 if (strlen(line) > 20) {
983 sscanf(line+17, "%x", &lsb);
984 sscanf(line+20, "%x", &msb);
985 cnt = lsb + msb * 256;
986 /* set_total_count(cnt, sess); */
990 if ( strstr(line, "WPTDAT")) {
991 if (sess->count == 0) {
992 sess->progress_label = sess->wp_label;
993 set_total_count(cnt, sess);
996 set_current_count(sess->count, sess);
999 if ( strstr(line, "TRKHDR") || strstr(line, "TRKDAT") ) {
1000 if (sess->count == 0) {
1001 sess->progress_label = sess->trk_label;
1002 set_total_count(cnt, sess);
1005 set_current_count(sess->count, sess);
1016 static void gps_comm_thread(GpsSession *sess)
1020 if (sess->direction == GPS_DOWN)
1021 result = a_babel_convert_from (sess->vtl, sess->cmd_args,
1022 (BabelStatusFunc) gps_download_progress_func, sess->port, sess);
1024 result = a_babel_convert_to (sess->vtl, sess->cmd_args,
1025 (BabelStatusFunc) gps_upload_progress_func, sess->port, sess);
1027 gdk_threads_enter();
1029 gtk_label_set_text ( GTK_LABEL(sess->status_label), _("Error: couldn't find gpsbabel.") );
1032 g_mutex_lock(sess->mutex);
1034 gtk_label_set_text ( GTK_LABEL(sess->status_label), _("Done.") );
1035 gtk_dialog_set_response_sensitive ( GTK_DIALOG(sess->dialog), GTK_RESPONSE_ACCEPT, TRUE );
1036 gtk_dialog_set_response_sensitive ( GTK_DIALOG(sess->dialog), GTK_RESPONSE_REJECT, FALSE );
1038 /* Do not change the view if we are following the current GPS position */
1039 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
1040 if (!sess->realtime_tracking)
1044 /* View the data available */
1045 vik_trw_layer_auto_set_view ( sess->vtl, sess->vvp) ;
1046 vik_layer_emit_update ( VIK_LAYER(sess->vtl) );
1052 g_mutex_unlock(sess->mutex);
1055 g_mutex_lock(sess->mutex);
1058 g_mutex_unlock(sess->mutex);
1061 g_mutex_unlock(sess->mutex);
1062 gps_session_delete(sess);
1064 gdk_threads_leave();
1065 g_thread_exit(NULL);
1068 static gint gps_comm(VikTrwLayer *vtl, gps_dir dir, vik_gps_proto proto, gchar *port, gboolean tracking, VikViewport *vvp) {
1069 GpsSession *sess = g_malloc(sizeof(GpsSession));
1071 sess->mutex = g_mutex_new();
1072 sess->direction = dir;
1074 sess->port = g_strdup(port);
1076 sess->cmd_args = g_strdup_printf("-D 9 -t -w -%c %s",
1077 (dir == GPS_DOWN) ? 'i' : 'o', protocols_args[proto]);
1078 sess->window_title = (dir == GPS_DOWN) ? _("GPS Download") : _("GPS Upload");
1080 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
1081 sess->realtime_tracking = tracking;
1083 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 );
1084 gtk_dialog_set_response_sensitive ( GTK_DIALOG(sess->dialog),
1085 GTK_RESPONSE_ACCEPT, FALSE );
1086 gtk_window_set_title ( GTK_WINDOW(sess->dialog), sess->window_title );
1088 sess->status_label = gtk_label_new (_("Status: detecting gpsbabel"));
1089 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(sess->dialog)->vbox),
1090 sess->status_label, FALSE, FALSE, 5 );
1091 gtk_widget_show_all(sess->status_label);
1093 sess->gps_label = gtk_label_new (_("GPS device: N/A"));
1094 sess->ver_label = gtk_label_new ("");
1095 sess->id_label = gtk_label_new ("");
1096 sess->wp_label = gtk_label_new ("");
1097 sess->trk_label = gtk_label_new ("");
1099 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(sess->dialog)->vbox), sess->gps_label, FALSE, FALSE, 5 );
1100 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(sess->dialog)->vbox), sess->wp_label, FALSE, FALSE, 5 );
1101 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(sess->dialog)->vbox), sess->trk_label, FALSE, FALSE, 5 );
1103 gtk_widget_show_all(sess->dialog);
1105 sess->progress_label = sess->wp_label;
1106 sess->total_count = -1;
1108 /* TODO: starting gps read/write thread here */
1109 g_thread_create((GThreadFunc)gps_comm_thread, sess, FALSE, NULL );
1111 gtk_dialog_set_default_response ( GTK_DIALOG(sess->dialog), GTK_RESPONSE_ACCEPT );
1112 gtk_dialog_run(GTK_DIALOG(sess->dialog));
1114 gtk_widget_destroy(sess->dialog);
1116 g_mutex_lock(sess->mutex);
1118 sess->ok = FALSE; /* tell thread to stop */
1119 g_mutex_unlock(sess->mutex);
1122 g_mutex_unlock(sess->mutex);
1123 gps_session_delete(sess);
1129 static void gps_upload_cb( gpointer layer_and_vlp[2] )
1131 VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
1132 VikTrwLayer *vtl = vgl->trw_children[TRW_UPLOAD];
1133 gps_comm(vtl, GPS_UP, vgl->protocol_id, vgl->serial_port, FALSE, NULL);
1136 static void gps_download_cb( gpointer layer_and_vlp[2] )
1138 VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
1139 VikTrwLayer *vtl = vgl->trw_children[TRW_DOWNLOAD];
1140 VikWindow *vw = VIK_WINDOW(VIK_GTK_WINDOW_FROM_LAYER(vgl));
1141 VikViewport *vvp = vik_window_viewport(vw);
1142 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
1143 gps_comm(vtl, GPS_DOWN, vgl->protocol_id, vgl->serial_port, vgl->realtime_tracking, vvp);
1145 gps_comm(vtl, GPS_DOWN, vgl->protocol_id, vgl->serial_port, FALSE, vvp);
1149 static void gps_empty_upload_cb( gpointer layer_and_vlp[2] )
1151 VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
1152 vik_trw_layer_delete_all_waypoints ( vgl-> trw_children[TRW_UPLOAD]);
1153 vik_trw_layer_delete_all_tracks ( vgl-> trw_children[TRW_UPLOAD]);
1156 static void gps_empty_download_cb( gpointer layer_and_vlp[2] )
1158 VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
1159 vik_trw_layer_delete_all_waypoints ( vgl-> trw_children[TRW_DOWNLOAD]);
1160 vik_trw_layer_delete_all_tracks ( vgl-> trw_children[TRW_DOWNLOAD]);
1163 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
1164 static void gps_empty_realtime_cb( gpointer layer_and_vlp[2] )
1166 VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
1167 vik_trw_layer_delete_all_waypoints ( vgl-> trw_children[TRW_REALTIME]);
1168 vik_trw_layer_delete_all_tracks ( vgl-> trw_children[TRW_REALTIME]);
1172 static void gps_empty_all_cb( gpointer layer_and_vlp[2] )
1174 VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
1175 vik_trw_layer_delete_all_waypoints ( vgl-> trw_children[TRW_UPLOAD]);
1176 vik_trw_layer_delete_all_tracks ( vgl-> trw_children[TRW_UPLOAD]);
1177 vik_trw_layer_delete_all_waypoints ( vgl-> trw_children[TRW_DOWNLOAD]);
1178 vik_trw_layer_delete_all_tracks ( vgl-> trw_children[TRW_DOWNLOAD]);
1179 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
1180 vik_trw_layer_delete_all_waypoints ( vgl-> trw_children[TRW_REALTIME]);
1181 vik_trw_layer_delete_all_tracks ( vgl-> trw_children[TRW_REALTIME]);
1185 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
1186 static void rt_gpsd_disconnect(VikGpsLayer *vgl);
1187 static gboolean rt_gpsd_connect(VikGpsLayer *vgl, gboolean ask_if_failed);
1189 static void realtime_tracking_draw(VikGpsLayer *vgl, VikViewport *vp)
1193 struct LatLon lnw, lse;
1194 vik_viewport_screen_to_coord ( vp, -20, -20, &nw );
1195 vik_viewport_screen_to_coord ( vp, vik_viewport_get_width(vp)+20, vik_viewport_get_width(vp)+20, &se );
1196 vik_coord_to_latlon ( &nw, &lnw );
1197 vik_coord_to_latlon ( &se, &lse );
1198 if ( vgl->realtime_fix.fix.latitude > lse.lat &&
1199 vgl->realtime_fix.fix.latitude < lnw.lat &&
1200 vgl->realtime_fix.fix.longitude > lnw.lon &&
1201 vgl->realtime_fix.fix.longitude < lse.lon ) {
1204 gint half_back_x, half_back_y;
1205 gint half_back_bg_x, half_back_bg_y;
1207 gint ptbg_x, ptbg_y;
1208 gint side1_x, side1_y, side2_x, side2_y;
1209 gint side1bg_x, side1bg_y, side2bg_x, side2bg_y;
1211 ll.lat = vgl->realtime_fix.fix.latitude;
1212 ll.lon = vgl->realtime_fix.fix.longitude;
1213 vik_coord_load_from_latlon ( &gps, vik_viewport_get_coord_mode(vp), &ll);
1214 vik_viewport_coord_to_screen ( vp, &gps, &x, &y );
1216 gdouble heading_cos = cos(M_PI/180*vgl->realtime_fix.fix.track);
1217 gdouble heading_sin = sin(M_PI/180*vgl->realtime_fix.fix.track);
1219 half_back_y = y+8*heading_cos;
1220 half_back_x = x-8*heading_sin;
1221 half_back_bg_y = y+10*heading_cos;
1222 half_back_bg_x = x-10*heading_sin;
1224 pt_y = half_back_y-24*heading_cos;
1225 pt_x = half_back_x+24*heading_sin;
1226 ptbg_y = half_back_bg_y-28*heading_cos;
1227 ptbg_x = half_back_bg_x+28*heading_sin;
1229 side1_y = half_back_y+9*heading_sin;
1230 side1_x = half_back_x+9*heading_cos;
1231 side1bg_y = half_back_bg_y+11*heading_sin;
1232 side1bg_x = half_back_bg_x+11*heading_cos;
1234 side2_y = half_back_y-9*heading_sin;
1235 side2_x = half_back_x-9*heading_cos;
1236 side2bg_y = half_back_bg_y-11*heading_sin;
1237 side2bg_x = half_back_bg_x-11*heading_cos;
1239 GdkPoint trian[3] = { { pt_x, pt_y }, {side1_x, side1_y}, {side2_x, side2_y} };
1240 GdkPoint trian_bg[3] = { { ptbg_x, pt_y }, {side1bg_x, side1bg_y}, {side2bg_x, side2bg_y} };
1242 vik_viewport_draw_polygon ( vp, vgl->realtime_track_bg_gc, TRUE, trian_bg, 3 );
1243 vik_viewport_draw_polygon ( vp, vgl->realtime_track_gc, TRUE, trian, 3 );
1244 vik_viewport_draw_rectangle ( vp,
1245 (vgl->realtime_fix.fix.mode > MODE_2D) ? vgl->realtime_track_pt2_gc : vgl->realtime_track_pt1_gc,
1246 TRUE, x-2, y-2, 4, 4 );
1247 //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;
1251 static void create_realtime_trackpoint(VikGpsLayer *vgl, gboolean forced)
1256 /* Note that fix.time is a double, but it should not affect the precision
1258 time_t cur_timestamp = vgl->realtime_fix.fix.time;
1259 time_t last_timestamp = vgl->last_fix.fix.time;
1261 if (cur_timestamp < last_timestamp) {
1265 if (vgl->realtime_record && vgl->realtime_fix.dirty) {
1266 gboolean replace = FALSE;
1267 int heading = (int)floor(vgl->realtime_fix.fix.track);
1268 int last_heading = (int)floor(vgl->last_fix.fix.track);
1269 int alt = isnan(vgl->realtime_fix.fix.altitude) ? VIK_DEFAULT_ALTITUDE : floor(vgl->realtime_fix.fix.altitude);
1270 int last_alt = isnan(vgl->last_fix.fix.altitude) ? VIK_DEFAULT_ALTITUDE : floor(vgl->last_fix.fix.altitude);
1271 if (((last_tp = g_list_last(vgl->realtime_track->trackpoints)) != NULL) &&
1272 (vgl->realtime_fix.fix.mode > MODE_2D) &&
1273 (vgl->last_fix.fix.mode <= MODE_2D) &&
1274 ((cur_timestamp - last_timestamp) < 2)) {
1275 g_free(last_tp->data);
1276 vgl->realtime_track->trackpoints = g_list_delete_link(vgl->realtime_track->trackpoints, last_tp);
1280 ((cur_timestamp != last_timestamp) &&
1282 ((heading < last_heading) && (heading < (last_heading - 3))) ||
1283 ((heading > last_heading) && (heading > (last_heading + 3))) ||
1284 ((alt != VIK_DEFAULT_ALTITUDE) && (alt != last_alt)))))) {
1285 /* TODO: check for new segments */
1286 VikTrackpoint *tp = vik_trackpoint_new();
1287 tp->newsegment = FALSE;
1288 tp->has_timestamp = TRUE;
1289 tp->timestamp = vgl->realtime_fix.fix.time;
1291 /* speed only available for 3D fix. Check for NAN when use this speed */
1292 tp->speed = vgl->realtime_fix.fix.speed;
1293 tp->course = vgl->realtime_fix.fix.track;
1294 tp->nsats = vgl->realtime_fix.satellites_used;
1295 tp->fix_mode = vgl->realtime_fix.fix.mode;
1297 ll.lat = vgl->realtime_fix.fix.latitude;
1298 ll.lon = vgl->realtime_fix.fix.longitude;
1299 vik_coord_load_from_latlon(&tp->coord,
1300 vik_trw_layer_get_coord_mode(vgl->trw_children[TRW_REALTIME]), &ll);
1302 vgl->realtime_track->trackpoints = g_list_append(vgl->realtime_track->trackpoints, tp);
1303 vgl->realtime_fix.dirty = FALSE;
1304 vgl->realtime_fix.satellites_used = 0;
1305 vgl->last_fix = vgl->realtime_fix;
1311 static void gpsd_raw_hook(VglGpsd *vgpsd, gchar *data)
1313 gboolean update_all = FALSE;
1314 VikGpsLayer *vgl = vgpsd->vgl;
1316 if (!vgl->realtime_tracking) {
1317 g_warning("%s: receiving GPS data while not in realtime mode", __PRETTY_FUNCTION__);
1321 if ((vgpsd->gpsd.fix.mode >= MODE_2D) &&
1322 !isnan(vgpsd->gpsd.fix.latitude) &&
1323 !isnan(vgpsd->gpsd.fix.longitude) &&
1324 !isnan(vgpsd->gpsd.fix.track)) {
1326 VikWindow *vw = VIK_WINDOW(VIK_GTK_WINDOW_FROM_LAYER(vgl));
1327 VikViewport *vvp = vik_window_viewport(vw);
1328 vgl->realtime_fix.fix = vgpsd->gpsd.fix;
1329 vgl->realtime_fix.satellites_used = vgpsd->gpsd.satellites_used;
1330 vgl->realtime_fix.dirty = TRUE;
1333 VikCoord vehicle_coord;
1335 ll.lat = vgl->realtime_fix.fix.latitude;
1336 ll.lon = vgl->realtime_fix.fix.longitude;
1337 vik_coord_load_from_latlon(&vehicle_coord,
1338 vik_trw_layer_get_coord_mode(vgl->trw_children[TRW_REALTIME]), &ll);
1340 if ((vgl->vehicle_position == VEHICLE_POSITION_CENTERED) ||
1341 (vgl->realtime_jump_to_start && vgl->first_realtime_trackpoint)) {
1342 vik_viewport_set_center_coord(vvp, &vehicle_coord);
1345 else if (vgl->vehicle_position == VEHICLE_POSITION_ON_SCREEN) {
1348 const int px = 20; /* adjust ment in pixels to make sure vehicle is inside the box */
1349 gint width = vik_viewport_get_width(vvp);
1350 gint height = vik_viewport_get_height(vvp);
1353 vik_viewport_coord_to_screen(vvp, &vehicle_coord, &vx, &vy);
1355 if (vx < (width/hdiv))
1356 vik_viewport_set_center_screen(vvp, vx - width/2 + width/hdiv + px, vy);
1357 else if (vx > (width - width/hdiv))
1358 vik_viewport_set_center_screen(vvp, vx + width/2 - width/hdiv - px, vy);
1359 else if (vy < (height/vdiv))
1360 vik_viewport_set_center_screen(vvp, vx, vy - height/2 + height/vdiv + px);
1361 else if (vy > (height - height/vdiv))
1362 vik_viewport_set_center_screen(vvp, vx, vy + height/2 - height/vdiv - px);
1367 vgl->first_realtime_trackpoint = FALSE;
1368 create_realtime_trackpoint(vgl, FALSE);
1370 gdk_threads_enter();
1371 vik_layer_emit_update ( update_all ? VIK_LAYER(vgl) : VIK_LAYER(vgl->trw_children[TRW_REALTIME]));
1372 gdk_threads_leave();
1376 static gboolean gpsd_data_available(GIOChannel *source, GIOCondition condition, gpointer data)
1378 VikGpsLayer *vgl = data;
1379 if (condition == G_IO_IN) {
1380 if (!gps_poll(&vgl->vgpsd->gpsd))
1383 g_warning("Disconnected from gpsd. Trying to reconnect");
1384 rt_gpsd_disconnect(vgl);
1385 rt_gpsd_connect(vgl, FALSE);
1388 return FALSE; /* no further calling */
1391 static gchar *make_track_name(VikTrwLayer *vtl)
1393 const gchar basename[] = "REALTIME";
1394 const gint bufsize = sizeof(basename) + 5;
1395 gchar *name = g_malloc(bufsize);
1396 strcpy(name, basename);
1399 while (vik_trw_layer_get_track(vtl, name) != NULL) {
1400 g_snprintf(name, bufsize, "%s#%d", basename, i);
1407 static gboolean rt_gpsd_try_connect(gpointer *data)
1409 VikGpsLayer *vgl = (VikGpsLayer *)data;
1410 #ifndef HAVE_GPS_OPEN_R
1411 struct gps_data_t *gpsd = gps_open(vgl->gpsd_host, vgl->gpsd_port);
1415 vgl->vgpsd = g_malloc(sizeof(VglGpsd));
1417 if (gps_open_r(vgl->gpsd_host, vgl->gpsd_port, /*(struct gps_data_t *)*/vgl->vgpsd) != 0) {
1419 g_warning("Failed to connect to gpsd at %s (port %s). Will retry in %d seconds",
1420 vgl->gpsd_host, vgl->gpsd_port, vgl->gpsd_retry_interval);
1421 return TRUE; /* keep timer running */
1424 #ifndef HAVE_GPS_OPEN_R
1425 vgl->vgpsd = realloc(gpsd, sizeof(VglGpsd));
1427 vgl->vgpsd->vgl = vgl;
1429 vgl->realtime_fix.dirty = vgl->last_fix.dirty = FALSE;
1430 /* track alt/time graph uses VIK_DEFAULT_ALTITUDE (0.0) as invalid */
1431 vgl->realtime_fix.fix.altitude = vgl->last_fix.fix.altitude = VIK_DEFAULT_ALTITUDE;
1432 vgl->realtime_fix.fix.speed = vgl->last_fix.fix.speed = NAN;
1434 if (vgl->realtime_record) {
1435 VikTrwLayer *vtl = vgl->trw_children[TRW_REALTIME];
1436 vgl->realtime_track = vik_track_new();
1437 vgl->realtime_track->visible = TRUE;
1438 vgl->realtime_track_name = make_track_name(vtl);
1439 vik_trw_layer_add_track(vtl, vgl->realtime_track_name, vgl->realtime_track);
1442 gps_set_raw_hook(&vgl->vgpsd->gpsd, gpsd_raw_hook);
1443 vgl->realtime_io_channel = g_io_channel_unix_new(vgl->vgpsd->gpsd.gps_fd);
1444 vgl->realtime_io_watch_id = g_io_add_watch( vgl->realtime_io_channel,
1445 G_IO_IN | G_IO_ERR | G_IO_HUP, gpsd_data_available, vgl);
1447 gps_stream(&vgl->vgpsd->gpsd, WATCH_ENABLE, NULL);
1449 gps_query(&vgl->vgpsd->gpsd, "w+x");
1451 return FALSE; /* no longer called by timeout */
1454 static gboolean rt_ask_retry(VikGpsLayer *vgl)
1456 GtkWidget *dialog = gtk_message_dialog_new (VIK_GTK_WINDOW_FROM_LAYER(vgl),
1457 GTK_DIALOG_DESTROY_WITH_PARENT,
1458 GTK_MESSAGE_QUESTION,
1460 "Failed to connect to gpsd at %s (port %s)\n"
1461 "Should Viking keep trying (every %d seconds)?",
1462 vgl->gpsd_host, vgl->gpsd_port,
1463 vgl->gpsd_retry_interval);
1465 gint res = gtk_dialog_run(GTK_DIALOG(dialog));
1466 gtk_widget_destroy(dialog);
1467 return (res == GTK_RESPONSE_YES);
1470 static gboolean rt_gpsd_connect(VikGpsLayer *vgl, gboolean ask_if_failed)
1472 vgl->realtime_retry_timer = 0;
1473 if (rt_gpsd_try_connect((gpointer *)vgl)) {
1474 if (vgl->gpsd_retry_interval <= 0) {
1475 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);
1478 else if (ask_if_failed && !rt_ask_retry(vgl))
1481 vgl->realtime_retry_timer = g_timeout_add_seconds(vgl->gpsd_retry_interval,
1482 (GSourceFunc)rt_gpsd_try_connect, (gpointer *)vgl);
1487 static void rt_gpsd_disconnect(VikGpsLayer *vgl)
1489 if (vgl->realtime_io_watch_id) {
1490 g_source_remove(vgl->realtime_io_watch_id);
1491 vgl->realtime_io_watch_id = 0;
1493 if (vgl->realtime_retry_timer) {
1494 g_source_remove(vgl->realtime_retry_timer);
1495 vgl->realtime_retry_timer = 0;
1497 if (vgl->realtime_io_channel) {
1498 GError *error = NULL;
1499 g_io_channel_shutdown (vgl->realtime_io_channel, FALSE, &error);
1500 vgl->realtime_io_channel = NULL;
1503 gps_close(&vgl->vgpsd->gpsd);
1504 #ifdef HAVE_GPS_OPEN_R
1512 if (vgl->realtime_record && vgl->realtime_track) {
1513 create_realtime_trackpoint(vgl, TRUE);
1514 if ((vgl->realtime_track->trackpoints == NULL) || (vgl->realtime_track->trackpoints->next == NULL))
1515 vik_trw_layer_delete_track(vgl->trw_children[TRW_REALTIME], vgl->realtime_track_name);
1516 vgl->realtime_track = NULL;
1520 static void gps_start_stop_tracking_cb( gpointer layer_and_vlp[2])
1522 VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
1523 vgl->realtime_tracking = (vgl->realtime_tracking == FALSE);
1525 /* Make sure we are still in the boat with libgps */
1526 g_assert((VIK_GPS_MODE_2D == MODE_2D) && (VIK_GPS_MODE_3D == MODE_3D));
1528 if (vgl->realtime_tracking) {
1529 vgl->first_realtime_trackpoint = TRUE;
1530 if (!rt_gpsd_connect(vgl, TRUE)) {
1531 vgl->first_realtime_trackpoint = FALSE;
1532 vgl->realtime_tracking = FALSE;
1535 else { /* stop realtime tracking */
1536 vgl->first_realtime_trackpoint = FALSE;
1537 rt_gpsd_disconnect(vgl);
1540 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */