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,
222 (VikLayerFuncSelectClick) NULL,
223 (VikLayerFuncSelectMove) NULL,
224 (VikLayerFuncSelectRelease) NULL,
225 (VikLayerFuncSelectedViewportMenu) NULL,
228 enum {TRW_DOWNLOAD=0, TRW_UPLOAD,
229 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
233 static gchar * trw_names[] = {
234 N_("GPS Download"), N_("GPS Upload"),
235 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
236 N_("GPS Realtime Tracking"),
240 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
242 struct gps_data_t gpsd;
247 struct gps_fix_t fix;
248 gint satellites_used;
249 gboolean dirty; /* needs to be saved */
251 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
253 struct _VikGpsLayer {
255 VikTrwLayer * trw_children[NUM_TRW];
256 GList * children; /* used only for writing file */
257 int cur_read_child; /* used only for reading file */
258 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
260 gboolean realtime_tracking; /* set/reset only by the callback */
261 gboolean first_realtime_trackpoint;
265 VikTrack *realtime_track;
266 gchar *realtime_track_name;
268 GIOChannel *realtime_io_channel;
269 guint realtime_io_watch_id;
270 guint realtime_retry_timer;
271 GdkGC *realtime_track_gc;
272 GdkGC *realtime_track_bg_gc;
273 GdkGC *realtime_track_pt_gc;
274 GdkGC *realtime_track_pt1_gc;
275 GdkGC *realtime_track_pt2_gc;
280 gint gpsd_retry_interval;
281 gboolean realtime_record;
282 gboolean realtime_jump_to_start;
283 guint vehicle_position;
284 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
289 GType vik_gps_layer_get_type ()
291 static GType val_type = 0;
295 static const GTypeInfo val_info =
297 sizeof (VikGpsLayerClass),
298 NULL, /* base_init */
299 NULL, /* base_finalize */
300 NULL, /* class init */
301 NULL, /* class_finalize */
302 NULL, /* class_data */
303 sizeof (VikGpsLayer),
305 NULL /* instance init */
307 val_type = g_type_register_static ( VIK_LAYER_TYPE, "VikGpsLayer", &val_info, 0 );
313 static VikGpsLayer *vik_gps_layer_create (VikViewport *vp)
317 VikGpsLayer *rv = vik_gps_layer_new (vp);
318 vik_layer_rename ( VIK_LAYER(rv), vik_gps_layer_interface.name );
320 for (i = 0; i < NUM_TRW; i++) {
321 rv->trw_children[i] = VIK_TRW_LAYER(vik_layer_create ( VIK_LAYER_TRW, vp, NULL, FALSE ));
322 vik_layer_set_menu_items_selection(VIK_LAYER(rv->trw_children[i]), VIK_MENU_ITEM_ALL & ~(VIK_MENU_ITEM_CUT|VIK_MENU_ITEM_DELETE));
327 static const gchar* gps_layer_tooltip ( VikGpsLayer *vgl )
329 return params_protocols[vgl->protocol_id];
333 static void gps_layer_marshall( VikGpsLayer *vgl, guint8 **data, gint *datalen )
335 VikLayer *child_layer;
338 GByteArray* b = g_byte_array_new ();
342 #define alm_append(obj, sz) \
344 g_byte_array_append ( b, (guint8 *)&len, sizeof(len) ); \
345 g_byte_array_append ( b, (guint8 *)(obj), len );
347 vik_layer_marshall_params(VIK_LAYER(vgl), &ld, &ll);
351 for (i = 0; i < NUM_TRW; i++) {
352 child_layer = VIK_LAYER(vgl->trw_children[i]);
353 vik_layer_marshall(child_layer, &ld, &ll);
361 g_byte_array_free(b, FALSE);
366 static VikGpsLayer *gps_layer_unmarshall( guint8 *data, gint len, VikViewport *vvp )
368 #define alm_size (*(gint *)data)
370 len -= sizeof(gint) + alm_size; \
371 data += sizeof(gint) + alm_size;
373 VikGpsLayer *rv = vik_gps_layer_new(vvp);
374 VikLayer *child_layer;
377 vik_layer_unmarshall_params ( VIK_LAYER(rv), data+sizeof(gint), alm_size, vvp );
381 while (len>0 && i < NUM_TRW) {
382 child_layer = vik_layer_unmarshall ( data + sizeof(gint), alm_size, vvp );
384 rv->trw_children[i++] = (VikTrwLayer *)child_layer;
385 g_signal_connect_swapped ( G_OBJECT(child_layer), "update", G_CALLBACK(vik_layer_emit_update_secondary), rv );
389 // g_print("gps_layer_unmarshall ended with len=%d\n", len);
396 static gboolean gps_layer_set_param ( VikGpsLayer *vgl, guint16 id, VikLayerParamData data, VikViewport *vp, gboolean is_file_operation )
401 if (data.u < NUM_PROTOCOLS)
402 vgl->protocol_id = data.u;
404 g_warning(_("Unknown GPS Protocol"));
409 g_free(vgl->serial_port);
410 /* Compat: previous version stored serial_port as an array index */
411 int index = data.s[0] - '0';
412 if (data.s[0] != '\0' &&
413 g_ascii_isdigit (data.s[0]) &&
415 index < OLD_NUM_PORTS)
416 /* It is a single digit: activate compatibility */
417 vgl->serial_port = g_strdup(old_params_ports[index]);
419 vgl->serial_port = g_strdup(data.s);
420 g_debug("%s: %s", __FUNCTION__, vgl->serial_port);
423 g_warning(_("Unknown serial port device"));
425 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
426 case PARAM_GPSD_HOST:
428 g_free(vgl->gpsd_host);
429 vgl->gpsd_host = g_strdup(data.s);
431 case PARAM_GPSD_PORT:
433 g_free(vgl->gpsd_port);
434 vgl->gpsd_port = g_strdup(data.s); /* TODO: check for number */
436 case PARAM_GPSD_RETRY_INTERVAL:
437 vgl->gpsd_retry_interval = strtol(data.s, NULL, 10);
439 case PARAM_REALTIME_REC:
440 vgl->realtime_record = data.b;
442 case PARAM_REALTIME_CENTER_START:
443 vgl->realtime_jump_to_start = data.b;
445 case PARAM_VEHICLE_POSITION:
446 vgl->vehicle_position = data.u;
448 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
450 g_warning("gps_layer_set_param(): unknown parameter");
456 static VikLayerParamData gps_layer_get_param ( VikGpsLayer *vgl, guint16 id, gboolean is_file_operation )
458 VikLayerParamData rv;
462 rv.u = vgl->protocol_id;
465 rv.s = vgl->serial_port;
466 g_debug("%s: %s", __FUNCTION__, rv.s);
468 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
469 case PARAM_GPSD_HOST:
470 rv.s = vgl->gpsd_host ? vgl->gpsd_host : "";
472 case PARAM_GPSD_PORT:
473 rv.s = vgl->gpsd_port ? vgl->gpsd_port : g_strdup(DEFAULT_GPSD_PORT);
475 case PARAM_GPSD_RETRY_INTERVAL:
476 rv.s = g_strdup_printf("%d", vgl->gpsd_retry_interval);
478 case PARAM_REALTIME_REC:
479 rv.b = vgl->realtime_record;
481 case PARAM_REALTIME_CENTER_START:
482 rv.b = vgl->realtime_jump_to_start;
484 case PARAM_VEHICLE_POSITION:
485 rv.u = vgl->vehicle_position;
487 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
489 g_warning(_("%s: unknown parameter"), __FUNCTION__);
495 VikGpsLayer *vik_gps_layer_new (VikViewport *vp)
498 VikGpsLayer *vgl = VIK_GPS_LAYER ( g_object_new ( VIK_GPS_LAYER_TYPE, NULL ) );
499 vik_layer_init ( VIK_LAYER(vgl), VIK_LAYER_GPS );
500 for (i = 0; i < NUM_TRW; i++) {
501 vgl->trw_children[i] = NULL;
503 vgl->children = NULL;
504 vgl->cur_read_child = 0;
506 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
507 vgl->realtime_tracking = FALSE;
508 vgl->first_realtime_trackpoint = FALSE;
510 vgl->realtime_io_channel = NULL;
511 vgl->realtime_io_watch_id = 0;
512 vgl->realtime_retry_timer = 0;
513 vgl->realtime_track_gc = vik_viewport_new_gc ( vp, "#203070", 2 );
514 vgl->realtime_track_bg_gc = vik_viewport_new_gc ( vp, "grey", 2 );
515 vgl->realtime_track_pt1_gc = vik_viewport_new_gc ( vp, "red", 2 );
516 vgl->realtime_track_pt2_gc = vik_viewport_new_gc ( vp, "green", 2 );
517 vgl->realtime_track_pt_gc = vgl->realtime_track_pt1_gc;
518 vgl->realtime_track = NULL;
520 /* Setting params here */
521 vgl->gpsd_host = g_strdup("localhost");
522 vgl->gpsd_port = g_strdup(DEFAULT_GPSD_PORT);
523 vgl->realtime_record = TRUE;
524 vgl->realtime_jump_to_start = TRUE;
525 vgl->vehicle_position = VEHICLE_POSITION_ON_SCREEN;
526 vgl->gpsd_retry_interval = 10;
527 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
528 vgl->protocol_id = 0;
529 vgl->serial_port = NULL;
532 /* Attempt to auto set default USB serial port entry */
533 /* Ordered to make lowest device favourite if available */
534 if (g_access ("/dev/ttyUSB1", R_OK) == 0) {
535 if (vgl->serial_port != NULL)
536 g_free (vgl->serial_port);
537 vgl->serial_port = g_strdup ("/dev/ttyUSB1");
539 if (g_access ("/dev/ttyUSB0", R_OK) == 0) {
540 if (vgl->serial_port != NULL)
541 g_free (vgl->serial_port);
542 vgl->serial_port = g_strdup ("/dev/ttyUSB0");
549 static void vik_gps_layer_draw ( VikGpsLayer *vgl, gpointer data )
553 VikLayer *trigger = VIK_LAYER(vik_viewport_get_trigger( VIK_VIEWPORT(data) ));
555 for (i = 0; i < NUM_TRW; i++) {
556 vl = VIK_LAYER(vgl->trw_children[i]);
558 if ( vik_viewport_get_half_drawn ( VIK_VIEWPORT(data) ) ) {
559 vik_viewport_set_half_drawn ( VIK_VIEWPORT(data), FALSE );
560 vik_viewport_snapshot_load( VIK_VIEWPORT(data) );
562 vik_viewport_snapshot_save( VIK_VIEWPORT(data) );
565 if (!vik_viewport_get_half_drawn( VIK_VIEWPORT(data)))
566 vik_layer_draw ( vl, data );
568 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
569 if (vgl->realtime_tracking) {
570 if (VIK_LAYER(vgl) == trigger) {
571 if ( vik_viewport_get_half_drawn ( VIK_VIEWPORT(data) ) ) {
572 vik_viewport_set_half_drawn ( VIK_VIEWPORT(data), FALSE );
573 vik_viewport_snapshot_load( VIK_VIEWPORT(data) );
575 vik_viewport_snapshot_save( VIK_VIEWPORT(data) );
578 if (!vik_viewport_get_half_drawn( VIK_VIEWPORT(data)))
579 realtime_tracking_draw(vgl, VIK_VIEWPORT(data));
581 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
584 static void gps_layer_change_coord_mode ( VikGpsLayer *vgl, VikCoordMode mode )
587 for (i = 0; i < NUM_TRW; i++) {
588 vik_layer_change_coord_mode(VIK_LAYER(vgl->trw_children[i]), mode);
592 static void gps_layer_add_menu_items( VikGpsLayer *vgl, GtkMenu *menu, gpointer vlp )
594 static gpointer pass_along[2];
599 item = gtk_menu_item_new();
600 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
601 gtk_widget_show ( item );
604 item = gtk_image_menu_item_new_with_mnemonic ( _("_Upload to GPS") );
605 gtk_image_menu_item_set_image ( (GtkImageMenuItem*)item, gtk_image_new_from_stock (GTK_STOCK_GO_UP, GTK_ICON_SIZE_MENU) );
606 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_upload_cb), pass_along );
607 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
608 gtk_widget_show ( item );
610 item = gtk_image_menu_item_new_with_mnemonic ( _("Download from _GPS") );
611 gtk_image_menu_item_set_image ( (GtkImageMenuItem*)item, gtk_image_new_from_stock (GTK_STOCK_GO_DOWN, GTK_ICON_SIZE_MENU) );
612 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_download_cb), pass_along );
613 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
614 gtk_widget_show ( item );
616 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
617 item = gtk_image_menu_item_new_with_mnemonic ( vgl->realtime_tracking ?
618 "_Stop Realtime Tracking" :
619 "_Start Realtime Tracking" );
620 gtk_image_menu_item_set_image ( (GtkImageMenuItem*)item, vgl->realtime_tracking ?
621 gtk_image_new_from_stock (GTK_STOCK_MEDIA_STOP, GTK_ICON_SIZE_MENU) :
622 gtk_image_new_from_stock (GTK_STOCK_MEDIA_PLAY, GTK_ICON_SIZE_MENU) );
623 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_start_stop_tracking_cb), pass_along );
624 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
625 gtk_widget_show ( item );
627 item = gtk_menu_item_new();
628 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
629 gtk_widget_show ( item );
631 item = gtk_image_menu_item_new_with_mnemonic ( _("Empty _Realtime") );
632 gtk_image_menu_item_set_image ( (GtkImageMenuItem*)item, gtk_image_new_from_stock (GTK_STOCK_REMOVE, GTK_ICON_SIZE_MENU) );
633 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_empty_realtime_cb), pass_along );
634 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
635 gtk_widget_show ( item );
636 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
638 item = gtk_image_menu_item_new_with_mnemonic ( _("E_mpty Upload") );
639 gtk_image_menu_item_set_image ( (GtkImageMenuItem*)item, gtk_image_new_from_stock (GTK_STOCK_REMOVE, GTK_ICON_SIZE_MENU) );
640 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_empty_upload_cb), pass_along );
641 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
642 gtk_widget_show ( item );
644 item = gtk_image_menu_item_new_with_mnemonic ( _("_Empty Download") );
645 gtk_image_menu_item_set_image ( (GtkImageMenuItem*)item, gtk_image_new_from_stock (GTK_STOCK_REMOVE, GTK_ICON_SIZE_MENU) );
646 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_empty_download_cb), pass_along );
647 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
648 gtk_widget_show ( item );
650 item = gtk_image_menu_item_new_with_mnemonic ( _("Empty _All") );
651 gtk_image_menu_item_set_image ( (GtkImageMenuItem*)item, gtk_image_new_from_stock (GTK_STOCK_REMOVE, GTK_ICON_SIZE_MENU) );
652 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_empty_all_cb), pass_along );
653 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
654 gtk_widget_show ( item );
658 static void disconnect_layer_signal ( VikLayer *vl, VikGpsLayer *vgl )
660 guint number_handlers = DISCONNECT_UPDATE_SIGNAL(vl,vgl);
661 if ( number_handlers != 1 ) {
663 NB It's not fatal if this gives 2 for example! Hence removal of the g_assert
664 This happens when copied GPS layer is deleted (not sure why the number_handlers would be 2)
665 I don't think there's any side effects and certainly better than the program just aborting
667 g_warning(_("Unexpected number of disconnected handlers: %d"), number_handlers);
671 static void vik_gps_layer_free ( VikGpsLayer *vgl )
674 for (i = 0; i < NUM_TRW; i++) {
675 if (vgl->vl.realized)
676 disconnect_layer_signal(VIK_LAYER(vgl->trw_children[i]), vgl);
677 g_object_unref(vgl->trw_children[i]);
679 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
680 if (vgl->realtime_track_gc != NULL)
681 g_object_unref(vgl->realtime_track_gc);
682 if (vgl->realtime_track_bg_gc != NULL)
683 g_object_unref(vgl->realtime_track_bg_gc);
684 if (vgl->realtime_track_pt1_gc != NULL)
685 g_object_unref(vgl->realtime_track_pt1_gc);
686 if (vgl->realtime_track_pt2_gc != NULL)
687 g_object_unref(vgl->realtime_track_pt2_gc);
688 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
691 gboolean vik_gps_layer_delete ( VikGpsLayer *vgl, GtkTreeIter *iter )
694 VikLayer *l = VIK_LAYER( vik_treeview_item_get_pointer ( VIK_LAYER(vgl)->vt, iter ) );
695 gboolean was_visible = l->visible;
697 vik_treeview_item_delete ( VIK_LAYER(vgl)->vt, iter );
698 for (i = 0; i < NUM_TRW; i++) {
699 if (VIK_LAYER(vgl->trw_children[i]) == l)
700 vgl->trw_children[i] = NULL;
702 g_assert(DISCONNECT_UPDATE_SIGNAL(l,vgl)==1);
703 g_object_unref ( l );
708 static void vik_gps_layer_realize ( VikGpsLayer *vgl, VikTreeview *vt, GtkTreeIter *layer_iter )
713 for (ix = 0; ix < NUM_TRW; ix++) {
714 VikLayer * trw = VIK_LAYER(vgl->trw_children[ix]);
715 vik_treeview_add_layer ( VIK_LAYER(vgl)->vt, layer_iter, &iter,
716 _(trw_names[ix]), vgl,
717 trw, trw->type, trw->type );
718 if ( ! trw->visible )
719 vik_treeview_item_set_visible ( VIK_LAYER(vgl)->vt, &iter, FALSE );
720 vik_layer_realize ( trw, VIK_LAYER(vgl)->vt, &iter );
721 g_signal_connect_swapped ( G_OBJECT(trw), "update", G_CALLBACK(vik_layer_emit_update_secondary), vgl );
725 const GList *vik_gps_layer_get_children ( VikGpsLayer *vgl )
729 if (vgl->children == NULL) {
730 for (i = NUM_TRW - 1; i >= 0; i--)
731 vgl->children = g_list_prepend(vgl->children, vgl->trw_children[i]);
733 return vgl->children;
736 VikTrwLayer * vik_gps_layer_get_a_child(VikGpsLayer *vgl)
738 g_assert ((vgl->cur_read_child >= 0) && (vgl->cur_read_child < NUM_TRW));
740 VikTrwLayer * vtl = vgl->trw_children[vgl->cur_read_child];
741 if (++(vgl->cur_read_child) >= NUM_TRW)
742 vgl->cur_read_child = 0;
746 gboolean vik_gps_layer_is_empty ( VikGpsLayer *vgl )
748 if ( vgl->trw_children[0] )
753 static void gps_layer_drag_drop_request ( VikGpsLayer *val_src, VikGpsLayer *val_dest, GtkTreeIter *src_item_iter, GtkTreePath *dest_path )
755 VikTreeview *vt = VIK_LAYER(val_src)->vt;
756 VikLayer *vl = vik_treeview_item_get_pointer(vt, src_item_iter);
759 dp = gtk_tree_path_to_string(dest_path);
761 /* vik_gps_layer_delete unrefs, but we don't want that here.
762 * we're still using the layer. */
764 vik_gps_layer_delete(val_src, src_item_iter);
769 static void gps_session_delete(GpsSession *sess)
772 g_mutex_free(sess->mutex);
773 g_free(sess->cmd_args);
779 static void set_total_count(gint cnt, GpsSession *sess)
783 g_mutex_lock(sess->mutex);
785 const gchar *tmp_str;
786 if (sess->direction == GPS_DOWN)
788 if (sess->progress_label == sess->wp_label)
789 tmp_str = ngettext("Downloading %d waypoint...", "Downloading %d waypoints...", cnt);
791 tmp_str = ngettext("Downloading %d trackpoint...", "Downloading %d trackpoints...", cnt);
795 if (sess->progress_label == sess->wp_label)
796 tmp_str = ngettext("Uploading %d waypoint...", "Uploading %d waypoints...", cnt);
798 tmp_str = ngettext("Uploading %d trackpoint...", "Uploading %d trackpoints...", cnt);
801 g_snprintf(s, 128, tmp_str, cnt);
802 gtk_label_set_text ( GTK_LABEL(sess->progress_label), s );
803 gtk_widget_show ( sess->progress_label );
804 sess->total_count = cnt;
806 g_mutex_unlock(sess->mutex);
810 static void set_current_count(gint cnt, GpsSession *sess)
813 const gchar *tmp_str;
816 g_mutex_lock(sess->mutex);
818 if (cnt < sess->total_count) {
819 if (sess->direction == GPS_DOWN)
821 if (sess->progress_label == sess->wp_label)
822 tmp_str = ngettext("Downloaded %d out of %d waypoint...", "Downloaded %d out of %d waypoints...", sess->total_count);
824 tmp_str = ngettext("Downloaded %d out of %d trackpoint...", "Downloaded %d out of %d trackpoints...", sess->total_count);
827 if (sess->progress_label == sess->wp_label)
828 tmp_str = ngettext("Uploaded %d out of %d waypoint...", "Uploaded %d out of %d waypoints...", sess->total_count);
830 tmp_str = ngettext("Uploaded %d out of %d trackpoint...", "Uploaded %d out of %d trackpoints...", sess->total_count);
832 g_snprintf(s, 128, tmp_str, cnt, sess->total_count);
834 if (sess->direction == GPS_DOWN)
836 if (sess->progress_label == sess->wp_label)
837 tmp_str = ngettext("Downloaded %d waypoint", "Downloaded %d waypoints", cnt);
839 tmp_str = ngettext("Downloaded %d trackpoint", "Downloaded %d trackpoints", cnt);
842 if (sess->progress_label == sess->wp_label)
843 tmp_str = ngettext("Uploaded %d waypoint", "Uploaded %d waypoints", cnt);
845 tmp_str = ngettext("Uploaded %d trackpoint", "Uploaded %d trackpoints", cnt);
847 g_snprintf(s, 128, tmp_str, cnt);
849 gtk_label_set_text ( GTK_LABEL(sess->progress_label), s );
851 g_mutex_unlock(sess->mutex);
855 static void set_gps_info(const gchar *info, GpsSession *sess)
859 g_mutex_lock(sess->mutex);
861 g_snprintf(s, 256, _("GPS Device: %s"), info);
862 gtk_label_set_text ( GTK_LABEL(sess->gps_label), s );
864 g_mutex_unlock(sess->mutex);
868 static void gps_download_progress_func(BabelProgressCode c, gpointer data, GpsSession * sess )
872 gdk_threads_enter ();
873 g_mutex_lock(sess->mutex);
875 g_mutex_unlock(sess->mutex);
876 gps_session_delete(sess);
878 g_thread_exit ( NULL );
880 g_mutex_unlock(sess->mutex);
881 gdk_threads_leave ();
884 case BABEL_DIAG_OUTPUT:
885 line = (gchar *)data;
887 /* tells us how many items there will be */
888 if (strstr(line, "Xfer Wpt")) {
889 sess->progress_label = sess->wp_label;
891 if (strstr(line, "Xfer Trk")) {
892 sess->progress_label = sess->trk_label;
894 if (strstr(line, "PRDDAT")) {
895 gchar **tokens = g_strsplit(line, " ", 0);
901 while (tokens[n_tokens])
905 for (i=8; tokens[i] && ilen < sizeof(info)-2 && strcmp(tokens[i], "00"); i++) {
907 sscanf(tokens[i], "%x", &ch);
911 set_gps_info(info, sess);
915 /* eg: "Unit:\teTrex Legend HCx Software Version 2.90\n" */
916 if (strstr(line, "Unit:")) {
917 gchar **tokens = g_strsplit(line, "\t", 0);
919 while (tokens[n_tokens])
923 set_gps_info(tokens[1], sess);
927 if (strstr(line, "RECORD")) {
930 if (strlen(line) > 20) {
931 sscanf(line+17, "%x", &lsb);
932 sscanf(line+20, "%x", &msb);
933 cnt = lsb + msb * 256;
934 set_total_count(cnt, sess);
938 if ( strstr(line, "WPTDAT") || strstr(line, "TRKHDR") || strstr(line, "TRKDAT") ) {
940 set_current_count(sess->count, sess);
951 static void gps_upload_progress_func(BabelProgressCode c, gpointer data, GpsSession * sess )
956 gdk_threads_enter ();
957 g_mutex_lock(sess->mutex);
959 g_mutex_unlock(sess->mutex);
960 gps_session_delete(sess);
962 g_thread_exit ( NULL );
964 g_mutex_unlock(sess->mutex);
965 gdk_threads_leave ();
968 case BABEL_DIAG_OUTPUT:
969 line = (gchar *)data;
971 if (strstr(line, "PRDDAT")) {
972 gchar **tokens = g_strsplit(line, " ", 0);
978 while (tokens[n_tokens])
982 for (i=8; tokens[i] && ilen < sizeof(info)-2 && strcmp(tokens[i], "00"); i++) {
984 sscanf(tokens[i], "%x", &ch);
988 set_gps_info(info, sess);
992 if (strstr(line, "RECORD")) {
995 if (strlen(line) > 20) {
996 sscanf(line+17, "%x", &lsb);
997 sscanf(line+20, "%x", &msb);
998 cnt = lsb + msb * 256;
999 /* set_total_count(cnt, sess); */
1003 if ( strstr(line, "WPTDAT")) {
1004 if (sess->count == 0) {
1005 sess->progress_label = sess->wp_label;
1006 set_total_count(cnt, sess);
1009 set_current_count(sess->count, sess);
1012 if ( strstr(line, "TRKHDR") || strstr(line, "TRKDAT") ) {
1013 if (sess->count == 0) {
1014 sess->progress_label = sess->trk_label;
1015 set_total_count(cnt, sess);
1018 set_current_count(sess->count, sess);
1029 static void gps_comm_thread(GpsSession *sess)
1033 if (sess->direction == GPS_DOWN)
1034 result = a_babel_convert_from (sess->vtl, sess->cmd_args,
1035 (BabelStatusFunc) gps_download_progress_func, sess->port, sess);
1037 result = a_babel_convert_to (sess->vtl, sess->cmd_args,
1038 (BabelStatusFunc) gps_upload_progress_func, sess->port, sess);
1040 gdk_threads_enter();
1042 gtk_label_set_text ( GTK_LABEL(sess->status_label), _("Error: couldn't find gpsbabel.") );
1045 g_mutex_lock(sess->mutex);
1047 gtk_label_set_text ( GTK_LABEL(sess->status_label), _("Done.") );
1048 gtk_dialog_set_response_sensitive ( GTK_DIALOG(sess->dialog), GTK_RESPONSE_ACCEPT, TRUE );
1049 gtk_dialog_set_response_sensitive ( GTK_DIALOG(sess->dialog), GTK_RESPONSE_REJECT, FALSE );
1051 /* Do not change the view if we are following the current GPS position */
1052 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
1053 if (!sess->realtime_tracking)
1057 /* View the data available */
1058 vik_trw_layer_auto_set_view ( sess->vtl, sess->vvp) ;
1059 vik_layer_emit_update ( VIK_LAYER(sess->vtl) );
1065 g_mutex_unlock(sess->mutex);
1068 g_mutex_lock(sess->mutex);
1071 g_mutex_unlock(sess->mutex);
1074 g_mutex_unlock(sess->mutex);
1075 gps_session_delete(sess);
1077 gdk_threads_leave();
1078 g_thread_exit(NULL);
1081 static gint gps_comm(VikTrwLayer *vtl, gps_dir dir, vik_gps_proto proto, gchar *port, gboolean tracking, VikViewport *vvp) {
1082 GpsSession *sess = g_malloc(sizeof(GpsSession));
1084 sess->mutex = g_mutex_new();
1085 sess->direction = dir;
1087 sess->port = g_strdup(port);
1089 sess->cmd_args = g_strdup_printf("-D 9 -t -w -%c %s",
1090 (dir == GPS_DOWN) ? 'i' : 'o', protocols_args[proto]);
1091 sess->window_title = (dir == GPS_DOWN) ? _("GPS Download") : _("GPS Upload");
1093 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
1094 sess->realtime_tracking = tracking;
1096 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 );
1097 gtk_dialog_set_response_sensitive ( GTK_DIALOG(sess->dialog),
1098 GTK_RESPONSE_ACCEPT, FALSE );
1099 gtk_window_set_title ( GTK_WINDOW(sess->dialog), sess->window_title );
1101 sess->status_label = gtk_label_new (_("Status: detecting gpsbabel"));
1102 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(sess->dialog)->vbox),
1103 sess->status_label, FALSE, FALSE, 5 );
1104 gtk_widget_show_all(sess->status_label);
1106 sess->gps_label = gtk_label_new (_("GPS device: N/A"));
1107 sess->ver_label = gtk_label_new ("");
1108 sess->id_label = gtk_label_new ("");
1109 sess->wp_label = gtk_label_new ("");
1110 sess->trk_label = gtk_label_new ("");
1112 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(sess->dialog)->vbox), sess->gps_label, FALSE, FALSE, 5 );
1113 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(sess->dialog)->vbox), sess->wp_label, FALSE, FALSE, 5 );
1114 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(sess->dialog)->vbox), sess->trk_label, FALSE, FALSE, 5 );
1116 gtk_widget_show_all(sess->dialog);
1118 sess->progress_label = sess->wp_label;
1119 sess->total_count = -1;
1121 /* TODO: starting gps read/write thread here */
1122 g_thread_create((GThreadFunc)gps_comm_thread, sess, FALSE, NULL );
1124 gtk_dialog_set_default_response ( GTK_DIALOG(sess->dialog), GTK_RESPONSE_ACCEPT );
1125 gtk_dialog_run(GTK_DIALOG(sess->dialog));
1127 gtk_widget_destroy(sess->dialog);
1129 g_mutex_lock(sess->mutex);
1131 sess->ok = FALSE; /* tell thread to stop */
1132 g_mutex_unlock(sess->mutex);
1135 g_mutex_unlock(sess->mutex);
1136 gps_session_delete(sess);
1142 static void gps_upload_cb( gpointer layer_and_vlp[2] )
1144 VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
1145 VikTrwLayer *vtl = vgl->trw_children[TRW_UPLOAD];
1146 gps_comm(vtl, GPS_UP, vgl->protocol_id, vgl->serial_port, FALSE, NULL);
1149 static void gps_download_cb( gpointer layer_and_vlp[2] )
1151 VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
1152 VikTrwLayer *vtl = vgl->trw_children[TRW_DOWNLOAD];
1153 VikWindow *vw = VIK_WINDOW(VIK_GTK_WINDOW_FROM_LAYER(vgl));
1154 VikViewport *vvp = vik_window_viewport(vw);
1155 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
1156 gps_comm(vtl, GPS_DOWN, vgl->protocol_id, vgl->serial_port, vgl->realtime_tracking, vvp);
1158 gps_comm(vtl, GPS_DOWN, vgl->protocol_id, vgl->serial_port, FALSE, vvp);
1162 static void gps_empty_upload_cb( gpointer layer_and_vlp[2] )
1164 VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
1165 // Get confirmation from the user
1166 if ( ! a_dialog_yes_or_no ( VIK_GTK_WINDOW_FROM_WIDGET(layer_and_vlp[1]),
1167 _("Are you sure you want to delete GPS Upload data?"),
1170 vik_trw_layer_delete_all_waypoints ( vgl-> trw_children[TRW_UPLOAD]);
1171 vik_trw_layer_delete_all_tracks ( vgl-> trw_children[TRW_UPLOAD]);
1174 static void gps_empty_download_cb( gpointer layer_and_vlp[2] )
1176 VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
1177 // Get confirmation from the user
1178 if ( ! a_dialog_yes_or_no ( VIK_GTK_WINDOW_FROM_WIDGET(layer_and_vlp[1]),
1179 _("Are you sure you want to delete GPS Download data?"),
1182 vik_trw_layer_delete_all_waypoints ( vgl-> trw_children[TRW_DOWNLOAD]);
1183 vik_trw_layer_delete_all_tracks ( vgl-> trw_children[TRW_DOWNLOAD]);
1186 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
1187 static void gps_empty_realtime_cb( gpointer layer_and_vlp[2] )
1189 VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
1190 // Get confirmation from the user
1191 if ( ! a_dialog_yes_or_no ( VIK_GTK_WINDOW_FROM_WIDGET(layer_and_vlp[1]),
1192 _("Are you sure you want to delete GPS Realtime data?"),
1195 vik_trw_layer_delete_all_waypoints ( vgl-> trw_children[TRW_REALTIME]);
1196 vik_trw_layer_delete_all_tracks ( vgl-> trw_children[TRW_REALTIME]);
1200 static void gps_empty_all_cb( gpointer layer_and_vlp[2] )
1202 VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
1203 // Get confirmation from the user
1204 if ( ! a_dialog_yes_or_no ( VIK_GTK_WINDOW_FROM_WIDGET(layer_and_vlp[1]),
1205 _("Are you sure you want to delete All GPS data?"),
1208 vik_trw_layer_delete_all_waypoints ( vgl-> trw_children[TRW_UPLOAD]);
1209 vik_trw_layer_delete_all_tracks ( vgl-> trw_children[TRW_UPLOAD]);
1210 vik_trw_layer_delete_all_waypoints ( vgl-> trw_children[TRW_DOWNLOAD]);
1211 vik_trw_layer_delete_all_tracks ( vgl-> trw_children[TRW_DOWNLOAD]);
1212 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
1213 vik_trw_layer_delete_all_waypoints ( vgl-> trw_children[TRW_REALTIME]);
1214 vik_trw_layer_delete_all_tracks ( vgl-> trw_children[TRW_REALTIME]);
1218 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
1219 static void rt_gpsd_disconnect(VikGpsLayer *vgl);
1220 static gboolean rt_gpsd_connect(VikGpsLayer *vgl, gboolean ask_if_failed);
1222 static void realtime_tracking_draw(VikGpsLayer *vgl, VikViewport *vp)
1226 struct LatLon lnw, lse;
1227 vik_viewport_screen_to_coord ( vp, -20, -20, &nw );
1228 vik_viewport_screen_to_coord ( vp, vik_viewport_get_width(vp)+20, vik_viewport_get_width(vp)+20, &se );
1229 vik_coord_to_latlon ( &nw, &lnw );
1230 vik_coord_to_latlon ( &se, &lse );
1231 if ( vgl->realtime_fix.fix.latitude > lse.lat &&
1232 vgl->realtime_fix.fix.latitude < lnw.lat &&
1233 vgl->realtime_fix.fix.longitude > lnw.lon &&
1234 vgl->realtime_fix.fix.longitude < lse.lon ) {
1237 gint half_back_x, half_back_y;
1238 gint half_back_bg_x, half_back_bg_y;
1241 gint side1_x, side1_y, side2_x, side2_y;
1242 gint side1bg_x, side1bg_y, side2bg_x, side2bg_y;
1244 ll.lat = vgl->realtime_fix.fix.latitude;
1245 ll.lon = vgl->realtime_fix.fix.longitude;
1246 vik_coord_load_from_latlon ( &gps, vik_viewport_get_coord_mode(vp), &ll);
1247 vik_viewport_coord_to_screen ( vp, &gps, &x, &y );
1249 gdouble heading_cos = cos(M_PI/180*vgl->realtime_fix.fix.track);
1250 gdouble heading_sin = sin(M_PI/180*vgl->realtime_fix.fix.track);
1252 half_back_y = y+8*heading_cos;
1253 half_back_x = x-8*heading_sin;
1254 half_back_bg_y = y+10*heading_cos;
1255 half_back_bg_x = x-10*heading_sin;
1257 pt_y = half_back_y-24*heading_cos;
1258 pt_x = half_back_x+24*heading_sin;
1259 //ptbg_y = half_back_bg_y-28*heading_cos;
1260 ptbg_x = half_back_bg_x+28*heading_sin;
1262 side1_y = half_back_y+9*heading_sin;
1263 side1_x = half_back_x+9*heading_cos;
1264 side1bg_y = half_back_bg_y+11*heading_sin;
1265 side1bg_x = half_back_bg_x+11*heading_cos;
1267 side2_y = half_back_y-9*heading_sin;
1268 side2_x = half_back_x-9*heading_cos;
1269 side2bg_y = half_back_bg_y-11*heading_sin;
1270 side2bg_x = half_back_bg_x-11*heading_cos;
1272 GdkPoint trian[3] = { { pt_x, pt_y }, {side1_x, side1_y}, {side2_x, side2_y} };
1273 GdkPoint trian_bg[3] = { { ptbg_x, pt_y }, {side1bg_x, side1bg_y}, {side2bg_x, side2bg_y} };
1275 vik_viewport_draw_polygon ( vp, vgl->realtime_track_bg_gc, TRUE, trian_bg, 3 );
1276 vik_viewport_draw_polygon ( vp, vgl->realtime_track_gc, TRUE, trian, 3 );
1277 vik_viewport_draw_rectangle ( vp,
1278 (vgl->realtime_fix.fix.mode > MODE_2D) ? vgl->realtime_track_pt2_gc : vgl->realtime_track_pt1_gc,
1279 TRUE, x-2, y-2, 4, 4 );
1280 //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;
1284 static void create_realtime_trackpoint(VikGpsLayer *vgl, gboolean forced)
1289 /* Note that fix.time is a double, but it should not affect the precision
1291 time_t cur_timestamp = vgl->realtime_fix.fix.time;
1292 time_t last_timestamp = vgl->last_fix.fix.time;
1294 if (cur_timestamp < last_timestamp) {
1298 if (vgl->realtime_record && vgl->realtime_fix.dirty) {
1299 gboolean replace = FALSE;
1300 int heading = (int)floor(vgl->realtime_fix.fix.track);
1301 int last_heading = (int)floor(vgl->last_fix.fix.track);
1302 int alt = isnan(vgl->realtime_fix.fix.altitude) ? VIK_DEFAULT_ALTITUDE : floor(vgl->realtime_fix.fix.altitude);
1303 int last_alt = isnan(vgl->last_fix.fix.altitude) ? VIK_DEFAULT_ALTITUDE : floor(vgl->last_fix.fix.altitude);
1304 if (((last_tp = g_list_last(vgl->realtime_track->trackpoints)) != NULL) &&
1305 (vgl->realtime_fix.fix.mode > MODE_2D) &&
1306 (vgl->last_fix.fix.mode <= MODE_2D) &&
1307 ((cur_timestamp - last_timestamp) < 2)) {
1308 g_free(last_tp->data);
1309 vgl->realtime_track->trackpoints = g_list_delete_link(vgl->realtime_track->trackpoints, last_tp);
1313 ((cur_timestamp != last_timestamp) &&
1315 ((heading < last_heading) && (heading < (last_heading - 3))) ||
1316 ((heading > last_heading) && (heading > (last_heading + 3))) ||
1317 ((alt != VIK_DEFAULT_ALTITUDE) && (alt != last_alt)))))) {
1318 /* TODO: check for new segments */
1319 VikTrackpoint *tp = vik_trackpoint_new();
1320 tp->newsegment = FALSE;
1321 tp->has_timestamp = TRUE;
1322 tp->timestamp = vgl->realtime_fix.fix.time;
1324 /* speed only available for 3D fix. Check for NAN when use this speed */
1325 tp->speed = vgl->realtime_fix.fix.speed;
1326 tp->course = vgl->realtime_fix.fix.track;
1327 tp->nsats = vgl->realtime_fix.satellites_used;
1328 tp->fix_mode = vgl->realtime_fix.fix.mode;
1330 ll.lat = vgl->realtime_fix.fix.latitude;
1331 ll.lon = vgl->realtime_fix.fix.longitude;
1332 vik_coord_load_from_latlon(&tp->coord,
1333 vik_trw_layer_get_coord_mode(vgl->trw_children[TRW_REALTIME]), &ll);
1335 vgl->realtime_track->trackpoints = g_list_append(vgl->realtime_track->trackpoints, tp);
1336 vgl->realtime_fix.dirty = FALSE;
1337 vgl->realtime_fix.satellites_used = 0;
1338 vgl->last_fix = vgl->realtime_fix;
1344 static void gpsd_raw_hook(VglGpsd *vgpsd, gchar *data)
1346 gboolean update_all = FALSE;
1347 VikGpsLayer *vgl = vgpsd->vgl;
1349 if (!vgl->realtime_tracking) {
1350 g_warning("%s: receiving GPS data while not in realtime mode", __PRETTY_FUNCTION__);
1354 if ((vgpsd->gpsd.fix.mode >= MODE_2D) &&
1355 !isnan(vgpsd->gpsd.fix.latitude) &&
1356 !isnan(vgpsd->gpsd.fix.longitude) &&
1357 !isnan(vgpsd->gpsd.fix.track)) {
1359 VikWindow *vw = VIK_WINDOW(VIK_GTK_WINDOW_FROM_LAYER(vgl));
1360 VikViewport *vvp = vik_window_viewport(vw);
1361 vgl->realtime_fix.fix = vgpsd->gpsd.fix;
1362 vgl->realtime_fix.satellites_used = vgpsd->gpsd.satellites_used;
1363 vgl->realtime_fix.dirty = TRUE;
1366 VikCoord vehicle_coord;
1368 ll.lat = vgl->realtime_fix.fix.latitude;
1369 ll.lon = vgl->realtime_fix.fix.longitude;
1370 vik_coord_load_from_latlon(&vehicle_coord,
1371 vik_trw_layer_get_coord_mode(vgl->trw_children[TRW_REALTIME]), &ll);
1373 if ((vgl->vehicle_position == VEHICLE_POSITION_CENTERED) ||
1374 (vgl->realtime_jump_to_start && vgl->first_realtime_trackpoint)) {
1375 vik_viewport_set_center_coord(vvp, &vehicle_coord);
1378 else if (vgl->vehicle_position == VEHICLE_POSITION_ON_SCREEN) {
1381 const int px = 20; /* adjust ment in pixels to make sure vehicle is inside the box */
1382 gint width = vik_viewport_get_width(vvp);
1383 gint height = vik_viewport_get_height(vvp);
1386 vik_viewport_coord_to_screen(vvp, &vehicle_coord, &vx, &vy);
1388 if (vx < (width/hdiv))
1389 vik_viewport_set_center_screen(vvp, vx - width/2 + width/hdiv + px, vy);
1390 else if (vx > (width - width/hdiv))
1391 vik_viewport_set_center_screen(vvp, vx + width/2 - width/hdiv - px, vy);
1392 else if (vy < (height/vdiv))
1393 vik_viewport_set_center_screen(vvp, vx, vy - height/2 + height/vdiv + px);
1394 else if (vy > (height - height/vdiv))
1395 vik_viewport_set_center_screen(vvp, vx, vy + height/2 - height/vdiv - px);
1400 vgl->first_realtime_trackpoint = FALSE;
1401 create_realtime_trackpoint(vgl, FALSE);
1403 gdk_threads_enter();
1404 vik_layer_emit_update ( update_all ? VIK_LAYER(vgl) : VIK_LAYER(vgl->trw_children[TRW_REALTIME]));
1405 gdk_threads_leave();
1409 static gboolean gpsd_data_available(GIOChannel *source, GIOCondition condition, gpointer data)
1411 VikGpsLayer *vgl = data;
1412 if (condition == G_IO_IN) {
1413 if (!gps_poll(&vgl->vgpsd->gpsd))
1416 g_warning("Disconnected from gpsd. Trying to reconnect");
1417 rt_gpsd_disconnect(vgl);
1418 rt_gpsd_connect(vgl, FALSE);
1421 return FALSE; /* no further calling */
1424 static gchar *make_track_name(VikTrwLayer *vtl)
1426 const gchar basename[] = "REALTIME";
1427 const gint bufsize = sizeof(basename) + 5;
1428 gchar *name = g_malloc(bufsize);
1429 strcpy(name, basename);
1432 while (vik_trw_layer_get_track(vtl, name) != NULL) {
1433 g_snprintf(name, bufsize, "%s#%d", basename, i);
1440 static gboolean rt_gpsd_try_connect(gpointer *data)
1442 VikGpsLayer *vgl = (VikGpsLayer *)data;
1443 #ifndef HAVE_GPS_OPEN_R
1444 struct gps_data_t *gpsd = gps_open(vgl->gpsd_host, vgl->gpsd_port);
1448 vgl->vgpsd = g_malloc(sizeof(VglGpsd));
1450 if (gps_open_r(vgl->gpsd_host, vgl->gpsd_port, /*(struct gps_data_t *)*/vgl->vgpsd) != 0) {
1452 g_warning("Failed to connect to gpsd at %s (port %s). Will retry in %d seconds",
1453 vgl->gpsd_host, vgl->gpsd_port, vgl->gpsd_retry_interval);
1454 return TRUE; /* keep timer running */
1457 #ifndef HAVE_GPS_OPEN_R
1458 vgl->vgpsd = realloc(gpsd, sizeof(VglGpsd));
1460 vgl->vgpsd->vgl = vgl;
1462 vgl->realtime_fix.dirty = vgl->last_fix.dirty = FALSE;
1463 /* track alt/time graph uses VIK_DEFAULT_ALTITUDE (0.0) as invalid */
1464 vgl->realtime_fix.fix.altitude = vgl->last_fix.fix.altitude = VIK_DEFAULT_ALTITUDE;
1465 vgl->realtime_fix.fix.speed = vgl->last_fix.fix.speed = NAN;
1467 if (vgl->realtime_record) {
1468 VikTrwLayer *vtl = vgl->trw_children[TRW_REALTIME];
1469 vgl->realtime_track = vik_track_new();
1470 vgl->realtime_track->visible = TRUE;
1471 vgl->realtime_track_name = make_track_name(vtl);
1472 vik_trw_layer_add_track(vtl, vgl->realtime_track_name, vgl->realtime_track);
1475 gps_set_raw_hook(&vgl->vgpsd->gpsd, gpsd_raw_hook);
1476 vgl->realtime_io_channel = g_io_channel_unix_new(vgl->vgpsd->gpsd.gps_fd);
1477 vgl->realtime_io_watch_id = g_io_add_watch( vgl->realtime_io_channel,
1478 G_IO_IN | G_IO_ERR | G_IO_HUP, gpsd_data_available, vgl);
1480 gps_stream(&vgl->vgpsd->gpsd, WATCH_ENABLE, NULL);
1482 gps_query(&vgl->vgpsd->gpsd, "w+x");
1484 return FALSE; /* no longer called by timeout */
1487 static gboolean rt_ask_retry(VikGpsLayer *vgl)
1489 GtkWidget *dialog = gtk_message_dialog_new (VIK_GTK_WINDOW_FROM_LAYER(vgl),
1490 GTK_DIALOG_DESTROY_WITH_PARENT,
1491 GTK_MESSAGE_QUESTION,
1493 "Failed to connect to gpsd at %s (port %s)\n"
1494 "Should Viking keep trying (every %d seconds)?",
1495 vgl->gpsd_host, vgl->gpsd_port,
1496 vgl->gpsd_retry_interval);
1498 gint res = gtk_dialog_run(GTK_DIALOG(dialog));
1499 gtk_widget_destroy(dialog);
1500 return (res == GTK_RESPONSE_YES);
1503 static gboolean rt_gpsd_connect(VikGpsLayer *vgl, gboolean ask_if_failed)
1505 vgl->realtime_retry_timer = 0;
1506 if (rt_gpsd_try_connect((gpointer *)vgl)) {
1507 if (vgl->gpsd_retry_interval <= 0) {
1508 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);
1511 else if (ask_if_failed && !rt_ask_retry(vgl))
1514 vgl->realtime_retry_timer = g_timeout_add_seconds(vgl->gpsd_retry_interval,
1515 (GSourceFunc)rt_gpsd_try_connect, (gpointer *)vgl);
1520 static void rt_gpsd_disconnect(VikGpsLayer *vgl)
1522 if (vgl->realtime_io_watch_id) {
1523 g_source_remove(vgl->realtime_io_watch_id);
1524 vgl->realtime_io_watch_id = 0;
1526 if (vgl->realtime_retry_timer) {
1527 g_source_remove(vgl->realtime_retry_timer);
1528 vgl->realtime_retry_timer = 0;
1530 if (vgl->realtime_io_channel) {
1531 GError *error = NULL;
1532 g_io_channel_shutdown (vgl->realtime_io_channel, FALSE, &error);
1533 vgl->realtime_io_channel = NULL;
1536 gps_close(&vgl->vgpsd->gpsd);
1537 #ifdef HAVE_GPS_OPEN_R
1545 if (vgl->realtime_record && vgl->realtime_track) {
1546 create_realtime_trackpoint(vgl, TRUE);
1547 if ((vgl->realtime_track->trackpoints == NULL) || (vgl->realtime_track->trackpoints->next == NULL))
1548 vik_trw_layer_delete_track(vgl->trw_children[TRW_REALTIME], vgl->realtime_track_name);
1549 vgl->realtime_track = NULL;
1553 static void gps_start_stop_tracking_cb( gpointer layer_and_vlp[2])
1555 VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
1556 vgl->realtime_tracking = (vgl->realtime_tracking == FALSE);
1558 /* Make sure we are still in the boat with libgps */
1559 g_assert((VIK_GPS_MODE_2D == MODE_2D) && (VIK_GPS_MODE_3D == MODE_3D));
1561 if (vgl->realtime_tracking) {
1562 vgl->first_realtime_trackpoint = TRUE;
1563 if (!rt_gpsd_connect(vgl, TRUE)) {
1564 vgl->first_realtime_trackpoint = FALSE;
1565 vgl->realtime_tracking = FALSE;
1568 else { /* stop realtime tracking */
1569 vgl->first_realtime_trackpoint = FALSE;
1570 rt_gpsd_disconnect(vgl);
1573 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */