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 (VikLayerFuncCopyItem) NULL,
216 (VikLayerFuncPasteItem) NULL,
217 (VikLayerFuncFreeCopiedItem) NULL,
218 (VikLayerFuncDragDropRequest) gps_layer_drag_drop_request,
221 enum {TRW_DOWNLOAD=0, TRW_UPLOAD,
222 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
226 static gchar * trw_names[] = {
227 N_("GPS Download"), N_("GPS Upload"),
228 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
229 N_("GPS Realtime Tracking"),
233 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
235 struct gps_data_t gpsd;
240 struct gps_fix_t fix;
241 gint satellites_used;
242 gboolean dirty; /* needs to be saved */
244 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
246 struct _VikGpsLayer {
248 VikTrwLayer * trw_children[NUM_TRW];
249 GList * children; /* used only for writing file */
250 int cur_read_child; /* used only for reading file */
251 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
253 gboolean realtime_tracking; /* set/reset only by the callback */
254 gboolean first_realtime_trackpoint;
258 VikTrack *realtime_track;
259 gchar *realtime_track_name;
261 GIOChannel *realtime_io_channel;
262 guint realtime_io_watch_id;
263 guint realtime_retry_timer;
264 GdkGC *realtime_track_gc;
265 GdkGC *realtime_track_bg_gc;
266 GdkGC *realtime_track_pt_gc;
267 GdkGC *realtime_track_pt1_gc;
268 GdkGC *realtime_track_pt2_gc;
273 gint gpsd_retry_interval;
274 gboolean realtime_record;
275 gboolean realtime_jump_to_start;
276 guint vehicle_position;
277 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
282 GType vik_gps_layer_get_type ()
284 static GType val_type = 0;
288 static const GTypeInfo val_info =
290 sizeof (VikGpsLayerClass),
291 NULL, /* base_init */
292 NULL, /* base_finalize */
293 NULL, /* class init */
294 NULL, /* class_finalize */
295 NULL, /* class_data */
296 sizeof (VikGpsLayer),
298 NULL /* instance init */
300 val_type = g_type_register_static ( VIK_LAYER_TYPE, "VikGpsLayer", &val_info, 0 );
306 static VikGpsLayer *vik_gps_layer_create (VikViewport *vp)
310 VikGpsLayer *rv = vik_gps_layer_new (vp);
311 vik_layer_rename ( VIK_LAYER(rv), vik_gps_layer_interface.name );
313 for (i = 0; i < NUM_TRW; i++) {
314 rv->trw_children[i] = VIK_TRW_LAYER(vik_layer_create ( VIK_LAYER_TRW, vp, NULL, FALSE ));
315 vik_layer_set_menu_items_selection(VIK_LAYER(rv->trw_children[i]), VIK_MENU_ITEM_ALL & ~(VIK_MENU_ITEM_CUT|VIK_MENU_ITEM_DELETE));
320 static const gchar* gps_layer_tooltip ( VikGpsLayer *vgl )
322 return params_protocols[vgl->protocol_id];
326 static void gps_layer_marshall( VikGpsLayer *vgl, guint8 **data, gint *datalen )
328 VikLayer *child_layer;
331 GByteArray* b = g_byte_array_new ();
335 #define alm_append(obj, sz) \
337 g_byte_array_append ( b, (guint8 *)&len, sizeof(len) ); \
338 g_byte_array_append ( b, (guint8 *)(obj), len );
340 vik_layer_marshall_params(VIK_LAYER(vgl), &ld, &ll);
344 for (i = 0; i < NUM_TRW; i++) {
345 child_layer = VIK_LAYER(vgl->trw_children[i]);
346 vik_layer_marshall(child_layer, &ld, &ll);
354 g_byte_array_free(b, FALSE);
359 static VikGpsLayer *gps_layer_unmarshall( guint8 *data, gint len, VikViewport *vvp )
361 #define alm_size (*(gint *)data)
363 len -= sizeof(gint) + alm_size; \
364 data += sizeof(gint) + alm_size;
366 VikGpsLayer *rv = vik_gps_layer_new(vvp);
367 VikLayer *child_layer;
370 vik_layer_unmarshall_params ( VIK_LAYER(rv), data+sizeof(gint), alm_size, vvp );
374 while (len>0 && i < NUM_TRW) {
375 child_layer = vik_layer_unmarshall ( data + sizeof(gint), alm_size, vvp );
377 rv->trw_children[i++] = (VikTrwLayer *)child_layer;
378 g_signal_connect_swapped ( G_OBJECT(child_layer), "update", G_CALLBACK(vik_layer_emit_update_secondary), rv );
382 // g_print("gps_layer_unmarshall ended with len=%d\n", len);
389 static gboolean gps_layer_set_param ( VikGpsLayer *vgl, guint16 id, VikLayerParamData data, VikViewport *vp, gboolean is_file_operation )
394 if (data.u < NUM_PROTOCOLS)
395 vgl->protocol_id = data.u;
397 g_warning(_("Unknown GPS Protocol"));
402 g_free(vgl->serial_port);
403 /* Compat: previous version stored serial_port as an array index */
404 int index = data.s[0] - '0';
405 if (data.s[0] != '\0' &&
406 g_ascii_isdigit (data.s[0]) &&
408 index < OLD_NUM_PORTS)
409 /* It is a single digit: activate compatibility */
410 vgl->serial_port = g_strdup(old_params_ports[index]);
412 vgl->serial_port = g_strdup(data.s);
413 g_debug("%s: %s", __FUNCTION__, vgl->serial_port);
416 g_warning(_("Unknown serial port device"));
418 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
419 case PARAM_GPSD_HOST:
421 g_free(vgl->gpsd_host);
422 vgl->gpsd_host = g_strdup(data.s);
424 case PARAM_GPSD_PORT:
426 g_free(vgl->gpsd_port);
427 vgl->gpsd_port = g_strdup(data.s); /* TODO: check for number */
429 case PARAM_GPSD_RETRY_INTERVAL:
430 vgl->gpsd_retry_interval = strtol(data.s, NULL, 10);
432 case PARAM_REALTIME_REC:
433 vgl->realtime_record = data.b;
435 case PARAM_REALTIME_CENTER_START:
436 vgl->realtime_jump_to_start = data.b;
438 case PARAM_VEHICLE_POSITION:
439 vgl->vehicle_position = data.u;
441 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
443 g_warning("gps_layer_set_param(): unknown parameter");
449 static VikLayerParamData gps_layer_get_param ( VikGpsLayer *vgl, guint16 id, gboolean is_file_operation )
451 VikLayerParamData rv;
455 rv.u = vgl->protocol_id;
458 rv.s = vgl->serial_port;
459 g_debug("%s: %s", __FUNCTION__, rv.s);
461 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
462 case PARAM_GPSD_HOST:
463 rv.s = vgl->gpsd_host ? vgl->gpsd_host : "";
465 case PARAM_GPSD_PORT:
466 rv.s = vgl->gpsd_port ? vgl->gpsd_port : g_strdup(DEFAULT_GPSD_PORT);
468 case PARAM_GPSD_RETRY_INTERVAL:
469 rv.s = g_strdup_printf("%d", vgl->gpsd_retry_interval);
471 case PARAM_REALTIME_REC:
472 rv.b = vgl->realtime_record;
474 case PARAM_REALTIME_CENTER_START:
475 rv.b = vgl->realtime_jump_to_start;
477 case PARAM_VEHICLE_POSITION:
478 rv.u = vgl->vehicle_position;
480 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
482 g_warning(_("%s: unknown parameter"), __FUNCTION__);
488 VikGpsLayer *vik_gps_layer_new (VikViewport *vp)
491 VikGpsLayer *vgl = VIK_GPS_LAYER ( g_object_new ( VIK_GPS_LAYER_TYPE, NULL ) );
492 vik_layer_init ( VIK_LAYER(vgl), VIK_LAYER_GPS );
493 for (i = 0; i < NUM_TRW; i++) {
494 vgl->trw_children[i] = NULL;
496 vgl->children = NULL;
497 vgl->cur_read_child = 0;
499 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
500 vgl->realtime_tracking = FALSE;
501 vgl->first_realtime_trackpoint = FALSE;
503 vgl->realtime_io_channel = NULL;
504 vgl->realtime_io_watch_id = 0;
505 vgl->realtime_retry_timer = 0;
506 vgl->realtime_track_gc = vik_viewport_new_gc ( vp, "#203070", 2 );
507 vgl->realtime_track_bg_gc = vik_viewport_new_gc ( vp, "grey", 2 );
508 vgl->realtime_track_pt1_gc = vik_viewport_new_gc ( vp, "red", 2 );
509 vgl->realtime_track_pt2_gc = vik_viewport_new_gc ( vp, "green", 2 );
510 vgl->realtime_track_pt_gc = vgl->realtime_track_pt1_gc;
511 vgl->realtime_track = NULL;
513 /* Setting params here */
514 vgl->gpsd_host = g_strdup("localhost");
515 vgl->gpsd_port = g_strdup(DEFAULT_GPSD_PORT);
516 vgl->realtime_record = TRUE;
517 vgl->realtime_jump_to_start = TRUE;
518 vgl->vehicle_position = VEHICLE_POSITION_ON_SCREEN;
519 vgl->gpsd_retry_interval = 10;
520 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
521 vgl->protocol_id = 0;
522 vgl->serial_port = NULL;
525 /* Attempt to auto set default USB serial port entry */
526 /* Ordered to make lowest device favourite if available */
527 if (g_access ("/dev/ttyUSB1", R_OK) == 0) {
528 if (vgl->serial_port != NULL)
529 g_free (vgl->serial_port);
530 vgl->serial_port = g_strdup ("/dev/ttyUSB1");
532 if (g_access ("/dev/ttyUSB0", R_OK) == 0) {
533 if (vgl->serial_port != NULL)
534 g_free (vgl->serial_port);
535 vgl->serial_port = g_strdup ("/dev/ttyUSB0");
542 static void vik_gps_layer_draw ( VikGpsLayer *vgl, gpointer data )
546 VikLayer *trigger = VIK_LAYER(vik_viewport_get_trigger( VIK_VIEWPORT(data) ));
548 for (i = 0; i < NUM_TRW; i++) {
549 vl = VIK_LAYER(vgl->trw_children[i]);
551 if ( vik_viewport_get_half_drawn ( VIK_VIEWPORT(data) ) ) {
552 vik_viewport_set_half_drawn ( VIK_VIEWPORT(data), FALSE );
553 vik_viewport_snapshot_load( VIK_VIEWPORT(data) );
555 vik_viewport_snapshot_save( VIK_VIEWPORT(data) );
558 if (!vik_viewport_get_half_drawn( VIK_VIEWPORT(data)))
559 vik_layer_draw ( vl, data );
561 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
562 if (vgl->realtime_tracking) {
563 if (VIK_LAYER(vgl) == trigger) {
564 if ( vik_viewport_get_half_drawn ( VIK_VIEWPORT(data) ) ) {
565 vik_viewport_set_half_drawn ( VIK_VIEWPORT(data), FALSE );
566 vik_viewport_snapshot_load( VIK_VIEWPORT(data) );
568 vik_viewport_snapshot_save( VIK_VIEWPORT(data) );
571 if (!vik_viewport_get_half_drawn( VIK_VIEWPORT(data)))
572 realtime_tracking_draw(vgl, VIK_VIEWPORT(data));
574 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
577 static void gps_layer_change_coord_mode ( VikGpsLayer *vgl, VikCoordMode mode )
580 for (i = 0; i < NUM_TRW; i++) {
581 vik_layer_change_coord_mode(VIK_LAYER(vgl->trw_children[i]), mode);
585 static void gps_layer_add_menu_items( VikGpsLayer *vgl, GtkMenu *menu, gpointer vlp )
587 static gpointer pass_along[2];
592 item = gtk_menu_item_new();
593 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
594 gtk_widget_show ( item );
596 item = gtk_menu_item_new_with_mnemonic ( _("_Upload to GPS") );
597 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_upload_cb), pass_along );
598 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
599 gtk_widget_show ( item );
601 item = gtk_menu_item_new_with_mnemonic ( _("Download from _GPS") );
602 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_download_cb), pass_along );
603 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
604 gtk_widget_show ( item );
606 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
607 item = gtk_menu_item_new_with_mnemonic ( vgl->realtime_tracking ?
608 "_Stop Realtime Tracking" :
609 "_Start Realtime Tracking" );
610 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_start_stop_tracking_cb), pass_along );
611 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
612 gtk_widget_show ( item );
614 item = gtk_menu_item_new();
615 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
616 gtk_widget_show ( item );
618 item = gtk_menu_item_new_with_mnemonic ( _("Empty _Realtime") );
619 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_empty_realtime_cb), pass_along );
620 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
621 gtk_widget_show ( item );
622 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
624 item = gtk_menu_item_new_with_mnemonic ( _("E_mpty Upload") );
625 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_empty_upload_cb), pass_along );
626 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
627 gtk_widget_show ( item );
629 item = gtk_menu_item_new_with_mnemonic ( _("_Empty Download") );
630 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_empty_download_cb), pass_along );
631 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
632 gtk_widget_show ( item );
634 item = gtk_menu_item_new_with_mnemonic ( _("Empty _All") );
635 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_empty_all_cb), pass_along );
636 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
637 gtk_widget_show ( item );
641 static void disconnect_layer_signal ( VikLayer *vl, VikGpsLayer *vgl )
643 guint number_handlers = DISCONNECT_UPDATE_SIGNAL(vl,vgl);
644 if ( number_handlers != 1 ) {
646 NB It's not fatal if this gives 2 for example! Hence removal of the g_assert
647 This happens when copied GPS layer is deleted (not sure why the number_handlers would be 2)
648 I don't think there's any side effects and certainly better than the program just aborting
650 g_warning(_("Unexpected number of disconnected handlers: %d"), number_handlers);
654 static void vik_gps_layer_free ( VikGpsLayer *vgl )
657 for (i = 0; i < NUM_TRW; i++) {
658 if (vgl->vl.realized)
659 disconnect_layer_signal(VIK_LAYER(vgl->trw_children[i]), vgl);
660 g_object_unref(vgl->trw_children[i]);
662 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
663 if (vgl->realtime_track_gc != NULL)
664 g_object_unref(vgl->realtime_track_gc);
665 if (vgl->realtime_track_bg_gc != NULL)
666 g_object_unref(vgl->realtime_track_bg_gc);
667 if (vgl->realtime_track_pt1_gc != NULL)
668 g_object_unref(vgl->realtime_track_pt1_gc);
669 if (vgl->realtime_track_pt2_gc != NULL)
670 g_object_unref(vgl->realtime_track_pt2_gc);
671 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
674 gboolean vik_gps_layer_delete ( VikGpsLayer *vgl, GtkTreeIter *iter )
677 VikLayer *l = VIK_LAYER( vik_treeview_item_get_pointer ( VIK_LAYER(vgl)->vt, iter ) );
678 gboolean was_visible = l->visible;
680 vik_treeview_item_delete ( VIK_LAYER(vgl)->vt, iter );
681 for (i = 0; i < NUM_TRW; i++) {
682 if (VIK_LAYER(vgl->trw_children[i]) == l)
683 vgl->trw_children[i] = NULL;
685 g_assert(DISCONNECT_UPDATE_SIGNAL(l,vgl)==1);
686 g_object_unref ( l );
691 static void vik_gps_layer_realize ( VikGpsLayer *vgl, VikTreeview *vt, GtkTreeIter *layer_iter )
696 for (ix = 0; ix < NUM_TRW; ix++) {
697 VikLayer * trw = VIK_LAYER(vgl->trw_children[ix]);
698 vik_treeview_add_layer ( VIK_LAYER(vgl)->vt, layer_iter, &iter,
699 _(trw_names[ix]), vgl,
700 trw, trw->type, trw->type );
701 if ( ! trw->visible )
702 vik_treeview_item_set_visible ( VIK_LAYER(vgl)->vt, &iter, FALSE );
703 vik_layer_realize ( trw, VIK_LAYER(vgl)->vt, &iter );
704 g_signal_connect_swapped ( G_OBJECT(trw), "update", G_CALLBACK(vik_layer_emit_update_secondary), vgl );
708 const GList *vik_gps_layer_get_children ( VikGpsLayer *vgl )
712 if (vgl->children == NULL) {
713 for (i = NUM_TRW - 1; i >= 0; i--)
714 vgl->children = g_list_prepend(vgl->children, vgl->trw_children[i]);
716 return vgl->children;
719 VikTrwLayer * vik_gps_layer_get_a_child(VikGpsLayer *vgl)
721 g_assert ((vgl->cur_read_child >= 0) && (vgl->cur_read_child < NUM_TRW));
723 VikTrwLayer * vtl = vgl->trw_children[vgl->cur_read_child];
724 if (++(vgl->cur_read_child) >= NUM_TRW)
725 vgl->cur_read_child = 0;
729 gboolean vik_gps_layer_is_empty ( VikGpsLayer *vgl )
731 if ( vgl->trw_children[0] )
736 static void gps_layer_drag_drop_request ( VikGpsLayer *val_src, VikGpsLayer *val_dest, GtkTreeIter *src_item_iter, GtkTreePath *dest_path )
738 VikTreeview *vt = VIK_LAYER(val_src)->vt;
739 VikLayer *vl = vik_treeview_item_get_pointer(vt, src_item_iter);
740 GtkTreeIter dest_iter;
742 gboolean target_exists;
744 dp = gtk_tree_path_to_string(dest_path);
745 target_exists = vik_treeview_get_iter_from_path_str(vt, &dest_iter, dp);
747 /* vik_gps_layer_delete unrefs, but we don't want that here.
748 * we're still using the layer. */
750 vik_gps_layer_delete(val_src, src_item_iter);
755 static void gps_session_delete(GpsSession *sess)
758 g_mutex_free(sess->mutex);
759 g_free(sess->cmd_args);
765 static void set_total_count(gint cnt, GpsSession *sess)
769 g_mutex_lock(sess->mutex);
771 const gchar *tmp_str;
772 if (sess->direction == GPS_DOWN)
774 if (sess->progress_label == sess->wp_label)
775 tmp_str = ngettext("Downloading %d waypoint...", "Downloading %d waypoints...", cnt);
777 tmp_str = ngettext("Downloading %d trackpoint...", "Downloading %d trackpoints...", cnt);
781 if (sess->progress_label == sess->wp_label)
782 tmp_str = ngettext("Uploading %d waypoint...", "Uploading %d waypoints...", cnt);
784 tmp_str = ngettext("Uploading %d trackpoint...", "Uploading %d trackpoints...", cnt);
787 g_snprintf(s, 128, tmp_str, cnt);
788 gtk_label_set_text ( GTK_LABEL(sess->progress_label), s );
789 gtk_widget_show ( sess->progress_label );
790 sess->total_count = cnt;
792 g_mutex_unlock(sess->mutex);
796 static void set_current_count(gint cnt, GpsSession *sess)
799 const gchar *tmp_str;
802 g_mutex_lock(sess->mutex);
804 if (cnt < sess->total_count) {
805 if (sess->direction == GPS_DOWN)
807 if (sess->progress_label == sess->wp_label)
808 tmp_str = ngettext("Downloaded %d out of %d waypoint...", "Downloaded %d out of %d waypoints...", sess->total_count);
810 tmp_str = ngettext("Downloaded %d out of %d trackpoint...", "Downloaded %d out of %d trackpoints...", sess->total_count);
813 if (sess->progress_label == sess->wp_label)
814 tmp_str = ngettext("Uploaded %d out of %d waypoint...", "Uploaded %d out of %d waypoints...", sess->total_count);
816 tmp_str = ngettext("Uploaded %d out of %d trackpoint...", "Uploaded %d out of %d trackpoints...", sess->total_count);
818 g_snprintf(s, 128, tmp_str, cnt, sess->total_count);
820 if (sess->direction == GPS_DOWN)
822 if (sess->progress_label == sess->wp_label)
823 tmp_str = ngettext("Downloaded %d waypoint", "Downloaded %d waypoints", cnt);
825 tmp_str = ngettext("Downloaded %d trackpoint", "Downloaded %d trackpoints", cnt);
828 if (sess->progress_label == sess->wp_label)
829 tmp_str = ngettext("Uploaded %d waypoint", "Uploaded %d waypoints", cnt);
831 tmp_str = ngettext("Uploaded %d trackpoint", "Uploaded %d trackpoints", cnt);
833 g_snprintf(s, 128, tmp_str, cnt);
835 gtk_label_set_text ( GTK_LABEL(sess->progress_label), s );
837 g_mutex_unlock(sess->mutex);
841 static void set_gps_info(const gchar *info, GpsSession *sess)
845 g_mutex_lock(sess->mutex);
847 g_snprintf(s, 256, _("GPS Device: %s"), info);
848 gtk_label_set_text ( GTK_LABEL(sess->gps_label), s );
850 g_mutex_unlock(sess->mutex);
854 static void gps_download_progress_func(BabelProgressCode c, gpointer data, GpsSession * sess )
858 gdk_threads_enter ();
859 g_mutex_lock(sess->mutex);
861 g_mutex_unlock(sess->mutex);
862 gps_session_delete(sess);
864 g_thread_exit ( NULL );
866 g_mutex_unlock(sess->mutex);
867 gdk_threads_leave ();
870 case BABEL_DIAG_OUTPUT:
871 line = (gchar *)data;
873 /* tells us how many items there will be */
874 if (strstr(line, "Xfer Wpt")) {
875 sess->progress_label = sess->wp_label;
877 if (strstr(line, "Xfer Trk")) {
878 sess->progress_label = sess->trk_label;
880 if (strstr(line, "PRDDAT")) {
881 gchar **tokens = g_strsplit(line, " ", 0);
887 while (tokens[n_tokens])
891 for (i=8; tokens[i] && ilen < sizeof(info)-2 && strcmp(tokens[i], "00"); i++) {
893 sscanf(tokens[i], "%x", &ch);
897 set_gps_info(info, sess);
901 /* eg: "Unit:\teTrex Legend HCx Software Version 2.90\n" */
902 if (strstr(line, "Unit:")) {
903 gchar **tokens = g_strsplit(line, "\t", 0);
905 while (tokens[n_tokens])
909 set_gps_info(tokens[1], sess);
913 if (strstr(line, "RECORD")) {
916 if (strlen(line) > 20) {
917 sscanf(line+17, "%x", &lsb);
918 sscanf(line+20, "%x", &msb);
919 cnt = lsb + msb * 256;
920 set_total_count(cnt, sess);
924 if ( strstr(line, "WPTDAT") || strstr(line, "TRKHDR") || strstr(line, "TRKDAT") ) {
926 set_current_count(sess->count, sess);
937 static void gps_upload_progress_func(BabelProgressCode c, gpointer data, GpsSession * sess )
942 gdk_threads_enter ();
943 g_mutex_lock(sess->mutex);
945 g_mutex_unlock(sess->mutex);
946 gps_session_delete(sess);
948 g_thread_exit ( NULL );
950 g_mutex_unlock(sess->mutex);
951 gdk_threads_leave ();
954 case BABEL_DIAG_OUTPUT:
955 line = (gchar *)data;
957 if (strstr(line, "PRDDAT")) {
958 gchar **tokens = g_strsplit(line, " ", 0);
964 while (tokens[n_tokens])
968 for (i=8; tokens[i] && ilen < sizeof(info)-2 && strcmp(tokens[i], "00"); i++) {
970 sscanf(tokens[i], "%x", &ch);
974 set_gps_info(info, sess);
978 if (strstr(line, "RECORD")) {
981 if (strlen(line) > 20) {
982 sscanf(line+17, "%x", &lsb);
983 sscanf(line+20, "%x", &msb);
984 cnt = lsb + msb * 256;
985 /* set_total_count(cnt, sess); */
989 if ( strstr(line, "WPTDAT")) {
990 if (sess->count == 0) {
991 sess->progress_label = sess->wp_label;
992 set_total_count(cnt, sess);
995 set_current_count(sess->count, sess);
998 if ( strstr(line, "TRKHDR") || strstr(line, "TRKDAT") ) {
999 if (sess->count == 0) {
1000 sess->progress_label = sess->trk_label;
1001 set_total_count(cnt, sess);
1004 set_current_count(sess->count, sess);
1015 static void gps_comm_thread(GpsSession *sess)
1019 if (sess->direction == GPS_DOWN)
1020 result = a_babel_convert_from (sess->vtl, sess->cmd_args,
1021 (BabelStatusFunc) gps_download_progress_func, sess->port, sess);
1023 result = a_babel_convert_to (sess->vtl, sess->cmd_args,
1024 (BabelStatusFunc) gps_upload_progress_func, sess->port, sess);
1026 gdk_threads_enter();
1028 gtk_label_set_text ( GTK_LABEL(sess->status_label), _("Error: couldn't find gpsbabel.") );
1031 g_mutex_lock(sess->mutex);
1033 gtk_label_set_text ( GTK_LABEL(sess->status_label), _("Done.") );
1034 gtk_dialog_set_response_sensitive ( GTK_DIALOG(sess->dialog), GTK_RESPONSE_ACCEPT, TRUE );
1035 gtk_dialog_set_response_sensitive ( GTK_DIALOG(sess->dialog), GTK_RESPONSE_REJECT, FALSE );
1037 /* Do not change the view if we are following the current GPS position */
1038 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
1039 if (!sess->realtime_tracking)
1043 /* View the data available */
1044 vik_trw_layer_auto_set_view ( sess->vtl, sess->vvp) ;
1045 vik_layer_emit_update ( VIK_LAYER(sess->vtl) );
1051 g_mutex_unlock(sess->mutex);
1054 g_mutex_lock(sess->mutex);
1057 g_mutex_unlock(sess->mutex);
1060 g_mutex_unlock(sess->mutex);
1061 gps_session_delete(sess);
1063 gdk_threads_leave();
1064 g_thread_exit(NULL);
1067 static gint gps_comm(VikTrwLayer *vtl, gps_dir dir, vik_gps_proto proto, gchar *port, gboolean tracking, VikViewport *vvp) {
1068 GpsSession *sess = g_malloc(sizeof(GpsSession));
1070 sess->mutex = g_mutex_new();
1071 sess->direction = dir;
1073 sess->port = g_strdup(port);
1075 sess->cmd_args = g_strdup_printf("-D 9 -t -w -%c %s",
1076 (dir == GPS_DOWN) ? 'i' : 'o', protocols_args[proto]);
1077 sess->window_title = (dir == GPS_DOWN) ? _("GPS Download") : _("GPS Upload");
1079 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
1080 sess->realtime_tracking = tracking;
1082 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 );
1083 gtk_dialog_set_response_sensitive ( GTK_DIALOG(sess->dialog),
1084 GTK_RESPONSE_ACCEPT, FALSE );
1085 gtk_window_set_title ( GTK_WINDOW(sess->dialog), sess->window_title );
1087 sess->status_label = gtk_label_new (_("Status: detecting gpsbabel"));
1088 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(sess->dialog)->vbox),
1089 sess->status_label, FALSE, FALSE, 5 );
1090 gtk_widget_show_all(sess->status_label);
1092 sess->gps_label = gtk_label_new (_("GPS device: N/A"));
1093 sess->ver_label = gtk_label_new ("");
1094 sess->id_label = gtk_label_new ("");
1095 sess->wp_label = gtk_label_new ("");
1096 sess->trk_label = gtk_label_new ("");
1098 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(sess->dialog)->vbox), sess->gps_label, FALSE, FALSE, 5 );
1099 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(sess->dialog)->vbox), sess->wp_label, FALSE, FALSE, 5 );
1100 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(sess->dialog)->vbox), sess->trk_label, FALSE, FALSE, 5 );
1102 gtk_widget_show_all(sess->dialog);
1104 sess->progress_label = sess->wp_label;
1105 sess->total_count = -1;
1107 /* TODO: starting gps read/write thread here */
1108 g_thread_create((GThreadFunc)gps_comm_thread, sess, FALSE, NULL );
1110 gtk_dialog_set_default_response ( GTK_DIALOG(sess->dialog), GTK_RESPONSE_ACCEPT );
1111 gtk_dialog_run(GTK_DIALOG(sess->dialog));
1113 gtk_widget_destroy(sess->dialog);
1115 g_mutex_lock(sess->mutex);
1117 sess->ok = FALSE; /* tell thread to stop */
1118 g_mutex_unlock(sess->mutex);
1121 g_mutex_unlock(sess->mutex);
1122 gps_session_delete(sess);
1128 static void gps_upload_cb( gpointer layer_and_vlp[2] )
1130 VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
1131 VikTrwLayer *vtl = vgl->trw_children[TRW_UPLOAD];
1132 gps_comm(vtl, GPS_UP, vgl->protocol_id, vgl->serial_port, FALSE, NULL);
1135 static void gps_download_cb( gpointer layer_and_vlp[2] )
1137 VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
1138 VikTrwLayer *vtl = vgl->trw_children[TRW_DOWNLOAD];
1139 VikWindow *vw = VIK_WINDOW(VIK_GTK_WINDOW_FROM_LAYER(vgl));
1140 VikViewport *vvp = vik_window_viewport(vw);
1141 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
1142 gps_comm(vtl, GPS_DOWN, vgl->protocol_id, vgl->serial_port, vgl->realtime_tracking, vvp);
1144 gps_comm(vtl, GPS_DOWN, vgl->protocol_id, vgl->serial_port, FALSE, vvp);
1148 static void gps_empty_upload_cb( gpointer layer_and_vlp[2] )
1150 VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
1151 vik_trw_layer_delete_all_waypoints ( vgl-> trw_children[TRW_UPLOAD]);
1152 vik_trw_layer_delete_all_tracks ( vgl-> trw_children[TRW_UPLOAD]);
1155 static void gps_empty_download_cb( gpointer layer_and_vlp[2] )
1157 VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
1158 vik_trw_layer_delete_all_waypoints ( vgl-> trw_children[TRW_DOWNLOAD]);
1159 vik_trw_layer_delete_all_tracks ( vgl-> trw_children[TRW_DOWNLOAD]);
1162 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
1163 static void gps_empty_realtime_cb( gpointer layer_and_vlp[2] )
1165 VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
1166 vik_trw_layer_delete_all_waypoints ( vgl-> trw_children[TRW_REALTIME]);
1167 vik_trw_layer_delete_all_tracks ( vgl-> trw_children[TRW_REALTIME]);
1171 static void gps_empty_all_cb( gpointer layer_and_vlp[2] )
1173 VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
1174 vik_trw_layer_delete_all_waypoints ( vgl-> trw_children[TRW_UPLOAD]);
1175 vik_trw_layer_delete_all_tracks ( vgl-> trw_children[TRW_UPLOAD]);
1176 vik_trw_layer_delete_all_waypoints ( vgl-> trw_children[TRW_DOWNLOAD]);
1177 vik_trw_layer_delete_all_tracks ( vgl-> trw_children[TRW_DOWNLOAD]);
1178 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
1179 vik_trw_layer_delete_all_waypoints ( vgl-> trw_children[TRW_REALTIME]);
1180 vik_trw_layer_delete_all_tracks ( vgl-> trw_children[TRW_REALTIME]);
1184 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
1185 static void rt_gpsd_disconnect(VikGpsLayer *vgl);
1186 static gboolean rt_gpsd_connect(VikGpsLayer *vgl, gboolean ask_if_failed);
1188 static void realtime_tracking_draw(VikGpsLayer *vgl, VikViewport *vp)
1192 struct LatLon lnw, lse;
1193 vik_viewport_screen_to_coord ( vp, -20, -20, &nw );
1194 vik_viewport_screen_to_coord ( vp, vik_viewport_get_width(vp)+20, vik_viewport_get_width(vp)+20, &se );
1195 vik_coord_to_latlon ( &nw, &lnw );
1196 vik_coord_to_latlon ( &se, &lse );
1197 if ( vgl->realtime_fix.fix.latitude > lse.lat &&
1198 vgl->realtime_fix.fix.latitude < lnw.lat &&
1199 vgl->realtime_fix.fix.longitude > lnw.lon &&
1200 vgl->realtime_fix.fix.longitude < lse.lon ) {
1203 gint half_back_x, half_back_y;
1204 gint half_back_bg_x, half_back_bg_y;
1206 gint ptbg_x, ptbg_y;
1207 gint side1_x, side1_y, side2_x, side2_y;
1208 gint side1bg_x, side1bg_y, side2bg_x, side2bg_y;
1210 ll.lat = vgl->realtime_fix.fix.latitude;
1211 ll.lon = vgl->realtime_fix.fix.longitude;
1212 vik_coord_load_from_latlon ( &gps, vik_viewport_get_coord_mode(vp), &ll);
1213 vik_viewport_coord_to_screen ( vp, &gps, &x, &y );
1215 gdouble heading_cos = cos(M_PI/180*vgl->realtime_fix.fix.track);
1216 gdouble heading_sin = sin(M_PI/180*vgl->realtime_fix.fix.track);
1218 half_back_y = y+8*heading_cos;
1219 half_back_x = x-8*heading_sin;
1220 half_back_bg_y = y+10*heading_cos;
1221 half_back_bg_x = x-10*heading_sin;
1223 pt_y = half_back_y-24*heading_cos;
1224 pt_x = half_back_x+24*heading_sin;
1225 ptbg_y = half_back_bg_y-28*heading_cos;
1226 ptbg_x = half_back_bg_x+28*heading_sin;
1228 side1_y = half_back_y+9*heading_sin;
1229 side1_x = half_back_x+9*heading_cos;
1230 side1bg_y = half_back_bg_y+11*heading_sin;
1231 side1bg_x = half_back_bg_x+11*heading_cos;
1233 side2_y = half_back_y-9*heading_sin;
1234 side2_x = half_back_x-9*heading_cos;
1235 side2bg_y = half_back_bg_y-11*heading_sin;
1236 side2bg_x = half_back_bg_x-11*heading_cos;
1238 GdkPoint trian[3] = { { pt_x, pt_y }, {side1_x, side1_y}, {side2_x, side2_y} };
1239 GdkPoint trian_bg[3] = { { ptbg_x, pt_y }, {side1bg_x, side1bg_y}, {side2bg_x, side2bg_y} };
1241 vik_viewport_draw_polygon ( vp, vgl->realtime_track_bg_gc, TRUE, trian_bg, 3 );
1242 vik_viewport_draw_polygon ( vp, vgl->realtime_track_gc, TRUE, trian, 3 );
1243 vik_viewport_draw_rectangle ( vp,
1244 (vgl->realtime_fix.fix.mode > MODE_2D) ? vgl->realtime_track_pt2_gc : vgl->realtime_track_pt1_gc,
1245 TRUE, x-2, y-2, 4, 4 );
1246 //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;
1250 static void create_realtime_trackpoint(VikGpsLayer *vgl, gboolean forced)
1255 /* Note that fix.time is a double, but it should not affect the precision
1257 time_t cur_timestamp = vgl->realtime_fix.fix.time;
1258 time_t last_timestamp = vgl->last_fix.fix.time;
1260 if (cur_timestamp < last_timestamp) {
1264 if (vgl->realtime_record && vgl->realtime_fix.dirty) {
1265 gboolean replace = FALSE;
1266 int heading = (int)floor(vgl->realtime_fix.fix.track);
1267 int last_heading = (int)floor(vgl->last_fix.fix.track);
1268 int alt = isnan(vgl->realtime_fix.fix.altitude) ? VIK_DEFAULT_ALTITUDE : floor(vgl->realtime_fix.fix.altitude);
1269 int last_alt = isnan(vgl->last_fix.fix.altitude) ? VIK_DEFAULT_ALTITUDE : floor(vgl->last_fix.fix.altitude);
1270 if (((last_tp = g_list_last(vgl->realtime_track->trackpoints)) != NULL) &&
1271 (vgl->realtime_fix.fix.mode > MODE_2D) &&
1272 (vgl->last_fix.fix.mode <= MODE_2D) &&
1273 ((cur_timestamp - last_timestamp) < 2)) {
1274 g_free(last_tp->data);
1275 vgl->realtime_track->trackpoints = g_list_delete_link(vgl->realtime_track->trackpoints, last_tp);
1279 ((cur_timestamp != last_timestamp) &&
1281 ((heading < last_heading) && (heading < (last_heading - 3))) ||
1282 ((heading > last_heading) && (heading > (last_heading + 3))) ||
1283 ((alt != VIK_DEFAULT_ALTITUDE) && (alt != last_alt)))))) {
1284 /* TODO: check for new segments */
1285 VikTrackpoint *tp = vik_trackpoint_new();
1286 tp->newsegment = FALSE;
1287 tp->has_timestamp = TRUE;
1288 tp->timestamp = vgl->realtime_fix.fix.time;
1290 /* speed only available for 3D fix. Check for NAN when use this speed */
1291 tp->speed = vgl->realtime_fix.fix.speed;
1292 tp->course = vgl->realtime_fix.fix.track;
1293 tp->nsats = vgl->realtime_fix.satellites_used;
1294 tp->fix_mode = vgl->realtime_fix.fix.mode;
1296 ll.lat = vgl->realtime_fix.fix.latitude;
1297 ll.lon = vgl->realtime_fix.fix.longitude;
1298 vik_coord_load_from_latlon(&tp->coord,
1299 vik_trw_layer_get_coord_mode(vgl->trw_children[TRW_REALTIME]), &ll);
1301 vgl->realtime_track->trackpoints = g_list_append(vgl->realtime_track->trackpoints, tp);
1302 vgl->realtime_fix.dirty = FALSE;
1303 vgl->realtime_fix.satellites_used = 0;
1304 vgl->last_fix = vgl->realtime_fix;
1310 static void gpsd_raw_hook(VglGpsd *vgpsd, gchar *data)
1312 gboolean update_all = FALSE;
1313 VikGpsLayer *vgl = vgpsd->vgl;
1315 if (!vgl->realtime_tracking) {
1316 g_warning("%s: receiving GPS data while not in realtime mode", __PRETTY_FUNCTION__);
1320 if ((vgpsd->gpsd.fix.mode >= MODE_2D) &&
1321 !isnan(vgpsd->gpsd.fix.latitude) &&
1322 !isnan(vgpsd->gpsd.fix.longitude) &&
1323 !isnan(vgpsd->gpsd.fix.track)) {
1325 VikWindow *vw = VIK_WINDOW(VIK_GTK_WINDOW_FROM_LAYER(vgl));
1326 VikViewport *vvp = vik_window_viewport(vw);
1327 vgl->realtime_fix.fix = vgpsd->gpsd.fix;
1328 vgl->realtime_fix.satellites_used = vgpsd->gpsd.satellites_used;
1329 vgl->realtime_fix.dirty = TRUE;
1332 VikCoord vehicle_coord;
1334 ll.lat = vgl->realtime_fix.fix.latitude;
1335 ll.lon = vgl->realtime_fix.fix.longitude;
1336 vik_coord_load_from_latlon(&vehicle_coord,
1337 vik_trw_layer_get_coord_mode(vgl->trw_children[TRW_REALTIME]), &ll);
1339 if ((vgl->vehicle_position == VEHICLE_POSITION_CENTERED) ||
1340 (vgl->realtime_jump_to_start && vgl->first_realtime_trackpoint)) {
1341 vik_viewport_set_center_coord(vvp, &vehicle_coord);
1344 else if (vgl->vehicle_position == VEHICLE_POSITION_ON_SCREEN) {
1347 const int px = 20; /* adjust ment in pixels to make sure vehicle is inside the box */
1348 gint width = vik_viewport_get_width(vvp);
1349 gint height = vik_viewport_get_height(vvp);
1352 vik_viewport_coord_to_screen(vvp, &vehicle_coord, &vx, &vy);
1354 if (vx < (width/hdiv))
1355 vik_viewport_set_center_screen(vvp, vx - width/2 + width/hdiv + px, vy);
1356 else if (vx > (width - width/hdiv))
1357 vik_viewport_set_center_screen(vvp, vx + width/2 - width/hdiv - px, vy);
1358 else if (vy < (height/vdiv))
1359 vik_viewport_set_center_screen(vvp, vx, vy - height/2 + height/vdiv + px);
1360 else if (vy > (height - height/vdiv))
1361 vik_viewport_set_center_screen(vvp, vx, vy + height/2 - height/vdiv - px);
1366 vgl->first_realtime_trackpoint = FALSE;
1367 create_realtime_trackpoint(vgl, FALSE);
1369 gdk_threads_enter();
1370 vik_layer_emit_update ( update_all ? VIK_LAYER(vgl) : VIK_LAYER(vgl->trw_children[TRW_REALTIME]));
1371 gdk_threads_leave();
1375 static gboolean gpsd_data_available(GIOChannel *source, GIOCondition condition, gpointer data)
1377 VikGpsLayer *vgl = data;
1378 if (condition == G_IO_IN) {
1379 if (!gps_poll(&vgl->vgpsd->gpsd))
1382 g_warning("Disconnected from gpsd. Trying to reconnect");
1383 rt_gpsd_disconnect(vgl);
1384 rt_gpsd_connect(vgl, FALSE);
1387 return FALSE; /* no further calling */
1390 static gchar *make_track_name(VikTrwLayer *vtl)
1392 const gchar basename[] = "REALTIME";
1393 const gint bufsize = sizeof(basename) + 5;
1394 gchar *name = g_malloc(bufsize);
1395 strcpy(name, basename);
1398 while (vik_trw_layer_get_track(vtl, name) != NULL) {
1399 g_snprintf(name, bufsize, "%s#%d", basename, i);
1406 static gboolean rt_gpsd_try_connect(gpointer *data)
1408 VikGpsLayer *vgl = (VikGpsLayer *)data;
1409 #ifndef HAVE_GPS_OPEN_R
1410 struct gps_data_t *gpsd = gps_open(vgl->gpsd_host, vgl->gpsd_port);
1414 vgl->vgpsd = g_malloc(sizeof(VglGpsd));
1416 if (gps_open_r(vgl->gpsd_host, vgl->gpsd_port, /*(struct gps_data_t *)*/vgl->vgpsd) != 0) {
1418 g_warning("Failed to connect to gpsd at %s (port %s). Will retry in %d seconds",
1419 vgl->gpsd_host, vgl->gpsd_port, vgl->gpsd_retry_interval);
1420 return TRUE; /* keep timer running */
1423 #ifndef HAVE_GPS_OPEN_R
1424 vgl->vgpsd = realloc(gpsd, sizeof(VglGpsd));
1426 vgl->vgpsd->vgl = vgl;
1428 vgl->realtime_fix.dirty = vgl->last_fix.dirty = FALSE;
1429 /* track alt/time graph uses VIK_DEFAULT_ALTITUDE (0.0) as invalid */
1430 vgl->realtime_fix.fix.altitude = vgl->last_fix.fix.altitude = VIK_DEFAULT_ALTITUDE;
1431 vgl->realtime_fix.fix.speed = vgl->last_fix.fix.speed = NAN;
1433 if (vgl->realtime_record) {
1434 VikTrwLayer *vtl = vgl->trw_children[TRW_REALTIME];
1435 vgl->realtime_track = vik_track_new();
1436 vgl->realtime_track->visible = TRUE;
1437 vgl->realtime_track_name = make_track_name(vtl);
1438 vik_trw_layer_add_track(vtl, vgl->realtime_track_name, vgl->realtime_track);
1441 gps_set_raw_hook(&vgl->vgpsd->gpsd, gpsd_raw_hook);
1442 vgl->realtime_io_channel = g_io_channel_unix_new(vgl->vgpsd->gpsd.gps_fd);
1443 vgl->realtime_io_watch_id = g_io_add_watch( vgl->realtime_io_channel,
1444 G_IO_IN | G_IO_ERR | G_IO_HUP, gpsd_data_available, vgl);
1446 gps_stream(&vgl->vgpsd->gpsd, WATCH_ENABLE, NULL);
1448 gps_query(&vgl->vgpsd->gpsd, "w+x");
1450 return FALSE; /* no longer called by timeout */
1453 static gboolean rt_ask_retry(VikGpsLayer *vgl)
1455 GtkWidget *dialog = gtk_message_dialog_new (VIK_GTK_WINDOW_FROM_LAYER(vgl),
1456 GTK_DIALOG_DESTROY_WITH_PARENT,
1457 GTK_MESSAGE_QUESTION,
1459 "Failed to connect to gpsd at %s (port %s)\n"
1460 "Should Viking keep trying (every %d seconds)?",
1461 vgl->gpsd_host, vgl->gpsd_port,
1462 vgl->gpsd_retry_interval);
1464 gint res = gtk_dialog_run(GTK_DIALOG(dialog));
1465 gtk_widget_destroy(dialog);
1466 return (res == GTK_RESPONSE_YES);
1469 static gboolean rt_gpsd_connect(VikGpsLayer *vgl, gboolean ask_if_failed)
1471 vgl->realtime_retry_timer = 0;
1472 if (rt_gpsd_try_connect((gpointer *)vgl)) {
1473 if (vgl->gpsd_retry_interval <= 0) {
1474 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);
1477 else if (ask_if_failed && !rt_ask_retry(vgl))
1480 vgl->realtime_retry_timer = g_timeout_add_seconds(vgl->gpsd_retry_interval,
1481 (GSourceFunc)rt_gpsd_try_connect, (gpointer *)vgl);
1486 static void rt_gpsd_disconnect(VikGpsLayer *vgl)
1488 if (vgl->realtime_io_watch_id) {
1489 g_source_remove(vgl->realtime_io_watch_id);
1490 vgl->realtime_io_watch_id = 0;
1492 if (vgl->realtime_retry_timer) {
1493 g_source_remove(vgl->realtime_retry_timer);
1494 vgl->realtime_retry_timer = 0;
1496 if (vgl->realtime_io_channel) {
1497 GError *error = NULL;
1498 g_io_channel_shutdown (vgl->realtime_io_channel, FALSE, &error);
1499 vgl->realtime_io_channel = NULL;
1502 gps_close(&vgl->vgpsd->gpsd);
1503 #ifdef HAVE_GPS_OPEN_R
1511 if (vgl->realtime_record && vgl->realtime_track) {
1512 create_realtime_trackpoint(vgl, TRUE);
1513 if ((vgl->realtime_track->trackpoints == NULL) || (vgl->realtime_track->trackpoints->next == NULL))
1514 vik_trw_layer_delete_track(vgl->trw_children[TRW_REALTIME], vgl->realtime_track_name);
1515 vgl->realtime_track = NULL;
1519 static void gps_start_stop_tracking_cb( gpointer layer_and_vlp[2])
1521 VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
1522 vgl->realtime_tracking = (vgl->realtime_tracking == FALSE);
1524 /* Make sure we are still in the boat with libgps */
1525 g_assert((VIK_GPS_MODE_2D == MODE_2D) && (VIK_GPS_MODE_3D == MODE_3D));
1527 if (vgl->realtime_tracking) {
1528 vgl->first_realtime_trackpoint = TRUE;
1529 if (!rt_gpsd_connect(vgl, TRUE)) {
1530 vgl->first_realtime_trackpoint = FALSE;
1531 vgl->realtime_tracking = FALSE;
1534 else { /* stop realtime tracking */
1535 vgl->first_realtime_trackpoint = FALSE;
1536 rt_gpsd_disconnect(vgl);
1539 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */