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Fix loading a world file
[viking.git] / src / vikgpslayer.c
blobec41a1d849a506a6a03d32433cb9db4224b0c5ed
1 /*
2 * viking -- GPS Data and Topo Analyzer, Explorer, and Manager
3 *
4 * Copyright (C) 2003-2005, Evan Battaglia <gtoevan@gmx.net>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 *
20 */
21
22 #ifdef HAVE_CONFIG_H
23 #include "config.h"
24 #endif
25
26 #include <stdlib.h>
27 #ifdef HAVE_MATH_H
28 #include <math.h>
29 #endif
30 #include "viking.h"
31 #include "icons/icons.h"
32 #include "babel.h"
33
34 #ifdef HAVE_STRING_H
35 #include <string.h>
36 #endif
37 #include <glib.h>
38 #include <glib/gprintf.h>
39 #include <glib/gi18n.h>
40 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
41 #include <gps.h>
42 #endif
43
44 #if ! GLIB_CHECK_VERSION(2,14,0)
45 inline guint g_timeout_add_seconds(guint interval, GSourceFunc function, gpointer data) {
46 return g_timeout_add(interval*1000, function, data);
47 }
48 #endif
49
50 #define DISCONNECT_UPDATE_SIGNAL(vl, val) g_signal_handlers_disconnect_matched(vl, G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, val)
51 static VikGpsLayer *vik_gps_layer_create (VikViewport *vp);
52 static void vik_gps_layer_realize ( VikGpsLayer *val, VikTreeview *vt, GtkTreeIter *layer_iter );
53 static void vik_gps_layer_free ( VikGpsLayer *val );
54 static void vik_gps_layer_draw ( VikGpsLayer *val, gpointer data );
55 VikGpsLayer *vik_gps_layer_new ();
56
57 static void gps_layer_marshall( VikGpsLayer *val, guint8 **data, gint *len );
58 static VikGpsLayer *gps_layer_unmarshall( guint8 *data, gint len, VikViewport *vvp );
59 static gboolean gps_layer_set_param ( VikGpsLayer *vgl, guint16 id, VikLayerParamData data, VikViewport *vp );
60 static VikLayerParamData gps_layer_get_param ( VikGpsLayer *vgl, guint16 id );
61
62 static void gps_layer_change_coord_mode ( VikGpsLayer *val, VikCoordMode mode );
63 static void gps_layer_add_menu_items( VikGpsLayer *vtl, GtkMenu *menu, gpointer vlp );
64 static void gps_layer_drag_drop_request ( VikGpsLayer *val_src, VikGpsLayer *val_dest, GtkTreeIter *src_item_iter, GtkTreePath *dest_path );
65
66 static void gps_upload_cb( gpointer layer_and_vlp[2] );
67 static void gps_download_cb( gpointer layer_and_vlp[2] );
68 static void gps_empty_upload_cb( gpointer layer_and_vlp[2] );
69 static void gps_empty_download_cb( gpointer layer_and_vlp[2] );
70 static void gps_empty_all_cb( gpointer layer_and_vlp[2] );
71 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
72 static void gps_start_stop_tracking_cb( gpointer layer_and_vlp[2] );
73 static void realtime_tracking_draw(VikGpsLayer *vgl, VikViewport *vp);
74 #endif
75
76 typedef enum {GARMIN_P = 0, MAGELLAN_P, NUM_PROTOCOLS} vik_gps_proto;
77 static gchar * params_protocols[] = {"Garmin", "Magellan", NULL};
78 static gchar * protocols_args[] = {"garmin", "magellan"};
79 /*#define NUM_PROTOCOLS (sizeof(params_protocols)/sizeof(params_protocols[0]) - 1) */
80 #ifdef WINDOWS
81 static gchar * params_ports[] = {"com1", "usb:", NULL};
82 #else
83 static gchar * params_ports[] = {"/dev/ttyS0", "/dev/ttyS1", "/dev/ttyUSB0", "/dev/ttyUSB1", "usb:", NULL};
84 #endif
85 #define NUM_PORTS (sizeof(params_ports)/sizeof(params_ports[0]) - 1)
86 typedef enum {GPS_DOWN=0, GPS_UP} gps_dir;
87
88 typedef struct {
89 GMutex *mutex;
90 gps_dir direction;
91 gchar *port;
92 gboolean ok;
93 gint total_count;
94 gint count;
95 VikTrwLayer *vtl;
96 gchar *cmd_args;
97 gchar * window_title;
98 GtkWidget *dialog;
99 GtkWidget *status_label;
100 GtkWidget *gps_label;
101 GtkWidget *ver_label;
102 GtkWidget *id_label;
103 GtkWidget *wp_label;
104 GtkWidget *progress_label;
105 GtkWidget *trk_label;
106 } GpsSession;
107 static void gps_session_delete(GpsSession *sess);
108
109 static gchar *params_groups[] = {
110 "Data Mode",
111 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
112 "Realtime Tracking Mode",
113 #endif
114 };
115
116 enum {GROUP_DATA_MODE, GROUP_REALTIME_MODE};
117
118 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
119 static gchar *params_vehicle_position[] = {
120 "Keep vehicle at center",
121 "Keep vehicle on screen",
122 "Disable",
123 NULL
124 };
125 enum {
126 VEHICLE_POSITION_CENTERED = 0,
127 VEHICLE_POSITION_ON_SCREEN,
128 VEHICLE_POSITION_NONE,
129 };
130 #endif
131
132 static VikLayerParam gps_layer_params[] = {
133 { "gps_protocol", VIK_LAYER_PARAM_UINT, GROUP_DATA_MODE, N_("GPS Protocol:"), VIK_LAYER_WIDGET_COMBOBOX, params_protocols, NULL},
134 { "gps_port", VIK_LAYER_PARAM_UINT, GROUP_DATA_MODE, N_("Serial Port:"), VIK_LAYER_WIDGET_COMBOBOX, params_ports, NULL},
135
136 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
137 { "record_tracking", VIK_LAYER_PARAM_BOOLEAN, GROUP_REALTIME_MODE, N_("Recording tracks"), VIK_LAYER_WIDGET_CHECKBUTTON},
138 { "center_start_tracking", VIK_LAYER_PARAM_BOOLEAN, GROUP_REALTIME_MODE, N_("Jump to current position on start"), VIK_LAYER_WIDGET_CHECKBUTTON},
139 { "moving_map_method", VIK_LAYER_PARAM_UINT, GROUP_REALTIME_MODE, N_("Moving Map Method:"), VIK_LAYER_WIDGET_RADIOGROUP_STATIC, params_vehicle_position, NULL},
140 { "gpsd_host", VIK_LAYER_PARAM_STRING, GROUP_REALTIME_MODE, N_("Gpsd Host:"), VIK_LAYER_WIDGET_ENTRY},
141 { "gpsd_port", VIK_LAYER_PARAM_STRING, GROUP_REALTIME_MODE, N_("Gpsd Port:"), VIK_LAYER_WIDGET_ENTRY},
142 { "gpsd_retry_interval", VIK_LAYER_PARAM_STRING, GROUP_REALTIME_MODE, N_("Gpsd Retry Interval (seconds):"), VIK_LAYER_WIDGET_ENTRY},
143 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
144 };
145 enum {
146 PARAM_PROTOCOL=0, PARAM_PORT,
147 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
148 PARAM_REALTIME_REC, PARAM_REALTIME_CENTER_START, PARAM_VEHICLE_POSITION, PARAM_GPSD_HOST, PARAM_GPSD_PORT, PARAM_GPSD_RETRY_INTERVAL,
149 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
150 NUM_PARAMS};
151
152 VikLayerInterface vik_gps_layer_interface = {
153 "GPS",
154 &vikgpslayer_pixbuf,
155
156 NULL,
157 0,
158
159 gps_layer_params,
160 NUM_PARAMS,
161 params_groups,
162 sizeof(params_groups)/sizeof(params_groups[0]),
163
164 VIK_MENU_ITEM_ALL & ~(VIK_MENU_ITEM_CUT|VIK_MENU_ITEM_COPY),
165
166 (VikLayerFuncCreate) vik_gps_layer_create,
167 (VikLayerFuncRealize) vik_gps_layer_realize,
168 (VikLayerFuncPostRead) NULL,
169 (VikLayerFuncFree) vik_gps_layer_free,
170
171 (VikLayerFuncProperties) NULL,
172 (VikLayerFuncDraw) vik_gps_layer_draw,
173 (VikLayerFuncChangeCoordMode) gps_layer_change_coord_mode,
174
175 (VikLayerFuncSetMenuItemsSelection) NULL,
176 (VikLayerFuncGetMenuItemsSelection) NULL,
177
178 (VikLayerFuncAddMenuItems) gps_layer_add_menu_items,
179 (VikLayerFuncSublayerAddMenuItems) NULL,
180
181 (VikLayerFuncSublayerRenameRequest) NULL,
182 (VikLayerFuncSublayerToggleVisible) NULL,
183
184 (VikLayerFuncMarshall) gps_layer_marshall,
185 (VikLayerFuncUnmarshall) gps_layer_unmarshall,
186
187 (VikLayerFuncSetParam) gps_layer_set_param,
188 (VikLayerFuncGetParam) gps_layer_get_param,
189
190 (VikLayerFuncReadFileData) NULL,
191 (VikLayerFuncWriteFileData) NULL,
192
193 (VikLayerFuncDeleteItem) NULL,
194 (VikLayerFuncCopyItem) NULL,
195 (VikLayerFuncPasteItem) NULL,
196 (VikLayerFuncFreeCopiedItem) NULL,
197 (VikLayerFuncDragDropRequest) gps_layer_drag_drop_request,
198 };
199
200 enum {TRW_DOWNLOAD=0, TRW_UPLOAD,
201 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
202 TRW_REALTIME,
203 #endif
204 NUM_TRW};
205 static gchar * trw_names[] = {
206 N_("GPS Download"), N_("GPS Upload"),
207 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
208 N_("GPS Realtime Tracking"),
209 #endif
210 };
211
212 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
213 typedef struct {
214 struct gps_data_t gpsd;
215 VikGpsLayer *vgl;
216 } VglGpsd;
217
218 typedef struct {
219 struct gps_fix_t fix;
220 gint satellites_used;
221 gboolean dirty; /* needs to be saved */
222 } GpsFix;
223 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
224
225 struct _VikGpsLayer {
226 VikLayer vl;
227 VikTrwLayer * trw_children[NUM_TRW];
228 GList * children; /* used only for writing file */
229 int cur_read_child; /* used only for reading file */
230 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
231 VglGpsd *vgpsd;
232 gboolean realtime_tracking; /* set/reset only by the callback */
233 gboolean first_realtime_trackpoint;
234 GpsFix realtime_fix;
235 GpsFix last_fix;
236
237 enum unit realtime_gpsd_unit;
238
239 VikTrack *realtime_track;
240 gchar *realtime_track_name;
241
242 GIOChannel *realtime_io_channel;
243 guint realtime_io_watch_id;
244 guint realtime_retry_timer;
245 GdkGC *realtime_track_gc;
246 GdkGC *realtime_track_bg_gc;
247 GdkGC *realtime_track_pt_gc;
248 GdkGC *realtime_track_pt1_gc;
249 GdkGC *realtime_track_pt2_gc;
250
251 /* params */
252 gchar *gpsd_host;
253 gchar *gpsd_port;
254 gint gpsd_retry_interval;
255 gboolean realtime_record;
256 gboolean realtime_jump_to_start;
257 guint vehicle_position;
258 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
259 guint protocol_id;
260 guint serial_port_id;
261 };
262
263 GType vik_gps_layer_get_type ()
264 {
265 static GType val_type = 0;
266
267 if (!val_type)
268 {
269 static const GTypeInfo val_info =
270 {
271 sizeof (VikGpsLayerClass),
272 NULL, /* base_init */
273 NULL, /* base_finalize */
274 NULL, /* class init */
275 NULL, /* class_finalize */
276 NULL, /* class_data */
277 sizeof (VikGpsLayer),
278 0,
279 NULL /* instance init */
280 };
281 val_type = g_type_register_static ( VIK_LAYER_TYPE, "VikGpsLayer", &val_info, 0 );
282 }
283
284 return val_type;
285 }
286
287 static VikGpsLayer *vik_gps_layer_create (VikViewport *vp)
288 {
289 int i;
290
291 VikGpsLayer *rv = vik_gps_layer_new (vp);
292 vik_layer_rename ( VIK_LAYER(rv), vik_gps_layer_interface.name );
293
294 for (i = 0; i < NUM_TRW; i++) {
295 rv->trw_children[i] = VIK_TRW_LAYER(vik_layer_create ( VIK_LAYER_TRW, vp, NULL, FALSE ));
296 vik_layer_set_menu_items_selection(VIK_LAYER(rv->trw_children[i]), VIK_MENU_ITEM_ALL & ~(VIK_MENU_ITEM_CUT|VIK_MENU_ITEM_DELETE));
297 }
298 return rv;
299 }
300
301 /* "Copy" */
302 static void gps_layer_marshall( VikGpsLayer *vgl, guint8 **data, gint *datalen )
303 {
304 VikLayer *child_layer;
305 guint8 *ld;
306 gint ll;
307 GByteArray* b = g_byte_array_new ();
308 gint len;
309 gint i;
310
311 #define alm_append(obj, sz) \
312 len = (sz); \
313 g_byte_array_append ( b, (guint8 *)&len, sizeof(len) ); \
314 g_byte_array_append ( b, (guint8 *)(obj), len );
315
316 vik_layer_marshall_params(VIK_LAYER(vgl), &ld, &ll);
317 alm_append(ld, ll);
318 g_free(ld);
319
320 for (i = 0; i < NUM_TRW; i++) {
321 child_layer = VIK_LAYER(vgl->trw_children[i]);
322 vik_layer_marshall(child_layer, &ld, &ll);
323 if (ld) {
324 alm_append(ld, ll);
325 g_free(ld);
326 }
327 }
328 *data = b->data;
329 *datalen = b->len;
330 g_byte_array_free(b, FALSE);
331 #undef alm_append
332 }
333
334 /* "Paste" */
335 static VikGpsLayer *gps_layer_unmarshall( guint8 *data, gint len, VikViewport *vvp )
336 {
337 #define alm_size (*(gint *)data)
338 #define alm_next \
339 len -= sizeof(gint) + alm_size; \
340 data += sizeof(gint) + alm_size;
341
342 VikGpsLayer *rv = vik_gps_layer_new();
343 VikLayer *child_layer;
344 gint i;
345
346 vik_layer_unmarshall_params ( VIK_LAYER(rv), data+sizeof(gint), alm_size, vvp );
347 alm_next;
348
349 i = 0;
350 while (len>0 && i < NUM_TRW) {
351 child_layer = vik_layer_unmarshall ( data + sizeof(gint), alm_size, vvp );
352 if (child_layer) {
353 rv->trw_children[i++] = (VikTrwLayer *)child_layer;
354 g_signal_connect_swapped ( G_OBJECT(child_layer), "update", G_CALLBACK(vik_layer_emit_update_secondary), rv );
355 }
356 alm_next;
357 }
358 // g_print("gps_layer_unmarshall ended with len=%d\n", len);
359 g_assert(len == 0);
360 return rv;
361 #undef alm_size
362 #undef alm_next
363 }
364
365 static gboolean gps_layer_set_param ( VikGpsLayer *vgl, guint16 id, VikLayerParamData data, VikViewport *vp )
366 {
367 switch ( id )
368 {
369 case PARAM_PROTOCOL:
370 if (data.u < NUM_PROTOCOLS)
371 vgl->protocol_id = data.u;
372 else
373 g_warning(_("Unknown GPS Protocol"));
374 break;
375 case PARAM_PORT:
376 if (data.u < NUM_PORTS)
377 vgl->serial_port_id = data.u;
378 else
379 g_warning(_("Unknown serial port device"));
380 break;
381 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
382 case PARAM_GPSD_HOST:
383 if (vgl->gpsd_host)
384 g_free(vgl->gpsd_host);
385 vgl->gpsd_host = g_strdup(data.s);
386 break;
387 case PARAM_GPSD_PORT:
388 if (vgl->gpsd_port)
389 g_free(vgl->gpsd_port);
390 vgl->gpsd_port = g_strdup(data.s); /* TODO: check for number */
391 break;
392 case PARAM_GPSD_RETRY_INTERVAL:
393 vgl->gpsd_retry_interval = strtol(data.s, NULL, 10);
394 break;
395 case PARAM_REALTIME_REC:
396 vgl->realtime_record = data.b;
397 break;
398 case PARAM_REALTIME_CENTER_START:
399 vgl->realtime_jump_to_start = data.b;
400 break;
401 case PARAM_VEHICLE_POSITION:
402 vgl->vehicle_position = data.u;
403 break;
404 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
405 default:
406 g_warning("gps_layer_set_param(): unknown parameter");
407 }
408
409 return TRUE;
410 }
411
412 static VikLayerParamData gps_layer_get_param ( VikGpsLayer *vgl, guint16 id )
413 {
414 VikLayerParamData rv;
415 switch ( id )
416 {
417 case PARAM_PROTOCOL:
418 rv.u = vgl->protocol_id;
419 break;
420 case PARAM_PORT:
421 rv.u = vgl->serial_port_id;
422 break;
423 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
424 case PARAM_GPSD_HOST:
425 rv.s = vgl->gpsd_host ? vgl->gpsd_host : "";
426 break;
427 case PARAM_GPSD_PORT:
428 rv.s = vgl->gpsd_port ? vgl->gpsd_port : g_strdup(DEFAULT_GPSD_PORT);
429 break;
430 case PARAM_GPSD_RETRY_INTERVAL:
431 rv.s = g_strdup_printf("%d", vgl->gpsd_retry_interval);
432 break;
433 case PARAM_REALTIME_REC:
434 rv.b = vgl->realtime_record;
435 break;
436 case PARAM_REALTIME_CENTER_START:
437 rv.b = vgl->realtime_jump_to_start;
438 break;
439 case PARAM_VEHICLE_POSITION:
440 rv.u = vgl->vehicle_position;
441 break;
442 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
443 default:
444 g_warning(_("%s: unknown parameter"), __FUNCTION__);
445 }
446
447 return rv;
448 }
449
450 VikGpsLayer *vik_gps_layer_new (VikViewport *vp)
451 {
452 gint i;
453 VikGpsLayer *vgl = VIK_GPS_LAYER ( g_object_new ( VIK_GPS_LAYER_TYPE, NULL ) );
454 vik_layer_init ( VIK_LAYER(vgl), VIK_LAYER_GPS );
455 for (i = 0; i < NUM_TRW; i++) {
456 vgl->trw_children[i] = NULL;
457 }
458 vgl->children = NULL;
459 vgl->cur_read_child = 0;
460
461 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
462 vgl->realtime_tracking = FALSE;
463 vgl->first_realtime_trackpoint = FALSE;
464 vgl->vgpsd = NULL;
465 vgl->realtime_io_channel = NULL;
466 vgl->realtime_io_watch_id = 0;
467 vgl->realtime_retry_timer = 0;
468 vgl->realtime_track_gc = vik_viewport_new_gc ( vp, "#203070", 2 );
469 vgl->realtime_track_bg_gc = vik_viewport_new_gc ( vp, "grey", 2 );
470 vgl->realtime_track_pt1_gc = vik_viewport_new_gc ( vp, "red", 2 );
471 vgl->realtime_track_pt2_gc = vik_viewport_new_gc ( vp, "green", 2 );
472 vgl->realtime_track_pt_gc = vgl->realtime_track_pt1_gc;
473 vgl->realtime_gpsd_unit = gpsd_units();
474 // fprintf(stderr, "DEBUG: gpsd_unit = %d\n", vgl->realtime_gpsd_unit);
475 vgl->realtime_track = NULL;
476
477 /* Setting params here */
478 vgl->gpsd_host = g_strdup("localhost");
479 vgl->gpsd_port = g_strdup(DEFAULT_GPSD_PORT);
480 vgl->realtime_record = TRUE;
481 vgl->realtime_jump_to_start = TRUE;
482 vgl->vehicle_position = VEHICLE_POSITION_ON_SCREEN;
483 vgl->gpsd_retry_interval = 10;
484 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
485 vgl->protocol_id = 0;
486 vgl->serial_port_id = 0;
487
488 return vgl;
489 }
490
491 static void vik_gps_layer_draw ( VikGpsLayer *vgl, gpointer data )
492 {
493 gint i;
494 VikLayer *vl;
495 VikLayer *trigger = VIK_LAYER(vik_viewport_get_trigger( VIK_VIEWPORT(data) ));
496
497 for (i = 0; i < NUM_TRW; i++) {
498 vl = VIK_LAYER(vgl->trw_children[i]);
499 if (vl == trigger) {
500 if ( vik_viewport_get_half_drawn ( VIK_VIEWPORT(data) ) ) {
501 vik_viewport_set_half_drawn ( VIK_VIEWPORT(data), FALSE );
502 vik_viewport_snapshot_load( VIK_VIEWPORT(data) );
503 } else {
504 vik_viewport_snapshot_save( VIK_VIEWPORT(data) );
505 }
506 }
507 if (!vik_viewport_get_half_drawn( VIK_VIEWPORT(data)))
508 vik_layer_draw ( vl, data );
509 }
510 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
511 if (vgl->realtime_tracking) {
512 if (VIK_LAYER(vgl) == trigger) {
513 if ( vik_viewport_get_half_drawn ( VIK_VIEWPORT(data) ) ) {
514 vik_viewport_set_half_drawn ( VIK_VIEWPORT(data), FALSE );
515 vik_viewport_snapshot_load( VIK_VIEWPORT(data) );
516 } else {
517 vik_viewport_snapshot_save( VIK_VIEWPORT(data) );
518 }
519 }
520 if (!vik_viewport_get_half_drawn( VIK_VIEWPORT(data)))
521 realtime_tracking_draw(vgl, VIK_VIEWPORT(data));
522 }
523 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
524 }
525
526 static void gps_layer_change_coord_mode ( VikGpsLayer *vgl, VikCoordMode mode )
527 {
528 gint i;
529 for (i = 0; i < NUM_TRW; i++) {
530 vik_layer_change_coord_mode(VIK_LAYER(vgl->trw_children[i]), mode);
531 }
532 }
533
534 static void gps_layer_add_menu_items( VikGpsLayer *vgl, GtkMenu *menu, gpointer vlp )
535 {
536 static gpointer pass_along[2];
537 GtkWidget *item;
538 pass_along[0] = vgl;
539 pass_along[1] = vlp;
540
541 item = gtk_menu_item_new();
542 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
543 gtk_widget_show ( item );
544
545 item = gtk_menu_item_new_with_label ( _("Upload to GPS") );
546 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_upload_cb), pass_along );
547 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
548 gtk_widget_show ( item );
549
550 item = gtk_menu_item_new_with_label ( _("Download from GPS") );
551 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_download_cb), pass_along );
552 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
553 gtk_widget_show ( item );
554
555 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
556 item = gtk_menu_item_new_with_label ( vgl->realtime_tracking ?
557 "Stop realtime tracking" :
558 "Start realtime tracking" );
559 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_start_stop_tracking_cb), pass_along );
560 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
561 gtk_widget_show ( item );
562
563 item = gtk_menu_item_new();
564 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
565 gtk_widget_show ( item );
566 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
567
568 item = gtk_menu_item_new_with_label ( _("Empty Upload") );
569 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_empty_upload_cb), pass_along );
570 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
571 gtk_widget_show ( item );
572
573 item = gtk_menu_item_new_with_label ( _("Empty Download") );
574 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_empty_download_cb), pass_along );
575 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
576 gtk_widget_show ( item );
577
578 item = gtk_menu_item_new_with_label ( _("Empty All") );
579 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_empty_all_cb), pass_along );
580 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
581 gtk_widget_show ( item );
582
583 }
584
585 static void disconnect_layer_signal ( VikLayer *vl, VikGpsLayer *vgl )
586 {
587 g_assert(DISCONNECT_UPDATE_SIGNAL(vl,vgl)==1);
588 }
589
590 static void vik_gps_layer_free ( VikGpsLayer *vgl )
591 {
592 gint i;
593 for (i = 0; i < NUM_TRW; i++) {
594 if (vgl->vl.realized)
595 disconnect_layer_signal(VIK_LAYER(vgl->trw_children[i]), vgl);
596 g_object_unref(vgl->trw_children[i]);
597 }
598 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
599 if (vgl->realtime_track_gc != NULL)
600 g_object_unref(vgl->realtime_track_gc);
601 if (vgl->realtime_track_bg_gc != NULL)
602 g_object_unref(vgl->realtime_track_bg_gc);
603 if (vgl->realtime_track_pt1_gc != NULL)
604 g_object_unref(vgl->realtime_track_pt1_gc);
605 if (vgl->realtime_track_pt2_gc != NULL)
606 g_object_unref(vgl->realtime_track_pt2_gc);
607 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
608 }
609
610 gboolean vik_gps_layer_delete ( VikGpsLayer *vgl, GtkTreeIter *iter )
611 {
612 gint i;
613 VikLayer *l = VIK_LAYER( vik_treeview_item_get_pointer ( VIK_LAYER(vgl)->vt, iter ) );
614 gboolean was_visible = l->visible;
615
616 vik_treeview_item_delete ( VIK_LAYER(vgl)->vt, iter );
617 for (i = 0; i < NUM_TRW; i++) {
618 if (VIK_LAYER(vgl->trw_children[i]) == l)
619 vgl->trw_children[i] = NULL;
620 }
621 g_assert(DISCONNECT_UPDATE_SIGNAL(l,vgl)==1);
622 g_object_unref ( l );
623
624 return was_visible;
625 }
626
627 static void vik_gps_layer_realize ( VikGpsLayer *vgl, VikTreeview *vt, GtkTreeIter *layer_iter )
628 {
629 GtkTreeIter iter;
630 int ix;
631
632 for (ix = 0; ix < NUM_TRW; ix++) {
633 VikLayer * trw = VIK_LAYER(vgl->trw_children[ix]);
634 vik_treeview_add_layer ( VIK_LAYER(vgl)->vt, layer_iter, &iter,
635 _(trw_names[ix]), vgl,
636 trw, trw->type, trw->type );
637 if ( ! trw->visible )
638 vik_treeview_item_set_visible ( VIK_LAYER(vgl)->vt, &iter, FALSE );
639 vik_layer_realize ( trw, VIK_LAYER(vgl)->vt, &iter );
640 g_signal_connect_swapped ( G_OBJECT(trw), "update", G_CALLBACK(vik_layer_emit_update_secondary), vgl );
641 }
642 }
643
644 const GList *vik_gps_layer_get_children ( VikGpsLayer *vgl )
645 {
646 int i;
647
648 if (vgl->children == NULL) {
649 for (i = NUM_TRW - 1; i >= 0; i--)
650 vgl->children = g_list_prepend(vgl->children, vgl->trw_children[i]);
651 }
652 return vgl->children;
653 }
654
655 VikTrwLayer * vik_gps_layer_get_a_child(VikGpsLayer *vgl)
656 {
657 g_assert ((vgl->cur_read_child >= 0) && (vgl->cur_read_child < NUM_TRW));
658
659 VikTrwLayer * vtl = vgl->trw_children[vgl->cur_read_child];
660 if (++(vgl->cur_read_child) >= NUM_TRW)
661 vgl->cur_read_child = 0;
662 return(vtl);
663 }
664
665 gboolean vik_gps_layer_is_empty ( VikGpsLayer *vgl )
666 {
667 if ( vgl->trw_children[0] )
668 return FALSE;
669 return TRUE;
670 }
671
672 static void gps_layer_drag_drop_request ( VikGpsLayer *val_src, VikGpsLayer *val_dest, GtkTreeIter *src_item_iter, GtkTreePath *dest_path )
673 {
674 VikTreeview *vt = VIK_LAYER(val_src)->vt;
675 VikLayer *vl = vik_treeview_item_get_pointer(vt, src_item_iter);
676 GtkTreeIter dest_iter;
677 gchar *dp;
678 gboolean target_exists;
679
680 dp = gtk_tree_path_to_string(dest_path);
681 target_exists = vik_treeview_get_iter_from_path_str(vt, &dest_iter, dp);
682
683 /* vik_gps_layer_delete unrefs, but we don't want that here.
684 * we're still using the layer. */
685 g_object_ref ( vl );
686 vik_gps_layer_delete(val_src, src_item_iter);
687
688 g_free(dp);
689 }
690
691 static void gps_session_delete(GpsSession *sess)
692 {
693 /* TODO */
694 g_mutex_free(sess->mutex);
695 g_free(sess->cmd_args);
696
697 g_free(sess);
698
699 }
700
701 static void set_total_count(gint cnt, GpsSession *sess)
702 {
703 gchar s[128];
704 gdk_threads_enter();
705 g_mutex_lock(sess->mutex);
706 if (sess->ok) {
707 const gchar *tmp_str;
708 if (sess->direction == GPS_DOWN)
709 {
710 if (sess->progress_label == sess->wp_label)
711 tmp_str = ngettext("Downloading %d waypoint...", "Downloading %d waypoints...", cnt);
712 else
713 tmp_str = ngettext("Downloading %d trackpoint...", "Downloading %d trackpoints...", cnt);
714 }
715 else
716 {
717 if (sess->progress_label == sess->wp_label)
718 tmp_str = ngettext("Uploading %d waypoint...", "Uploading %d waypoints...", cnt);
719 else
720 tmp_str = ngettext("Uploading %d trackpoint...", "Uploading %d trackpoints...", cnt);
721 }
722
723 g_snprintf(s, 128, tmp_str, cnt);
724 gtk_label_set_text ( GTK_LABEL(sess->progress_label), s );
725 gtk_widget_show ( sess->progress_label );
726 sess->total_count = cnt;
727 }
728 g_mutex_unlock(sess->mutex);
729 gdk_threads_leave();
730 }
731
732 static void set_current_count(gint cnt, GpsSession *sess)
733 {
734 gchar s[128];
735 const gchar *tmp_str;
736
737 gdk_threads_enter();
738 g_mutex_lock(sess->mutex);
739 if (sess->ok) {
740 if (cnt < sess->total_count) {
741 if (sess->direction == GPS_DOWN)
742 {
743 if (sess->progress_label == sess->wp_label)
744 tmp_str = ngettext("Downloaded %d out of %d waypoint...", "Downloaded %d out of %d waypoints...", sess->total_count);
745 else
746 tmp_str = ngettext("Downloaded %d out of %d trackpoint...", "Downloaded %d out of %d trackpoints...", sess->total_count);
747 }
748 else {
749 if (sess->progress_label == sess->wp_label)
750 tmp_str = ngettext("Uploaded %d out of %d waypoint...", "Uploaded %d out of %d waypoints...", sess->total_count);
751 else
752 tmp_str = ngettext("Uploaded %d out of %d trackpoint...", "Uploaded %d out of %d trackpoints...", sess->total_count);
753 }
754 g_snprintf(s, 128, tmp_str, cnt, sess->total_count);
755 } else {
756 if (sess->direction == GPS_DOWN)
757 {
758 if (sess->progress_label == sess->wp_label)
759 tmp_str = ngettext("Downloaded %d waypoint", "Downloaded %d waypoints", cnt);
760 else
761 tmp_str = ngettext("Downloaded %d trackpoint", "Downloaded %d trackpoints", cnt);
762 }
763 else {
764 if (sess->progress_label == sess->wp_label)
765 tmp_str = ngettext("Uploaded %d waypoint", "Uploaded %d waypoints", cnt);
766 else
767 tmp_str = ngettext("Uploaded %d trackpoint", "Uploaded %d trackpoints", cnt);
768 }
769 g_snprintf(s, 128, tmp_str, cnt);
770 }
771 gtk_label_set_text ( GTK_LABEL(sess->progress_label), s );
772 }
773 g_mutex_unlock(sess->mutex);
774 gdk_threads_leave();
775 }
776
777 static void set_gps_info(const gchar *info, GpsSession *sess)
778 {
779 gchar s[256];
780 gdk_threads_enter();
781 g_mutex_lock(sess->mutex);
782 if (sess->ok) {
783 g_snprintf(s, 256, _("GPS Device: %s"), info);
784 gtk_label_set_text ( GTK_LABEL(sess->gps_label), s );
785 }
786 g_mutex_unlock(sess->mutex);
787 gdk_threads_leave();
788 }
789
790 static void gps_download_progress_func(BabelProgressCode c, gpointer data, GpsSession * sess )
791 {
792 gchar *line;
793
794 gdk_threads_enter ();
795 g_mutex_lock(sess->mutex);
796 if (!sess->ok) {
797 g_mutex_unlock(sess->mutex);
798 gps_session_delete(sess);
799 gdk_threads_leave();
800 g_thread_exit ( NULL );
801 }
802 g_mutex_unlock(sess->mutex);
803 gdk_threads_leave ();
804
805 switch(c) {
806 case BABEL_DIAG_OUTPUT:
807 line = (gchar *)data;
808
809 /* tells us how many items there will be */
810 if (strstr(line, "Xfer Wpt")) {
811 sess->progress_label = sess->wp_label;
812 }
813 if (strstr(line, "Xfer Trk")) {
814 sess->progress_label = sess->trk_label;
815 }
816 if (strstr(line, "PRDDAT")) {
817 gchar **tokens = g_strsplit(line, " ", 0);
818 gchar info[128];
819 int ilen = 0;
820 int i;
821 int n_tokens = 0;
822
823 while (tokens[n_tokens])
824 n_tokens++;
825
826 if (n_tokens > 8) {
827 for (i=8; tokens[i] && ilen < sizeof(info)-2 && strcmp(tokens[i], "00"); i++) {
828 guint ch;
829 sscanf(tokens[i], "%x", &ch);
830 info[ilen++] = ch;
831 }
832 info[ilen++] = 0;
833 set_gps_info(info, sess);
834 }
835 g_strfreev(tokens);
836 }
837 if (strstr(line, "RECORD")) {
838 int lsb, msb, cnt;
839
840 if (strlen(line) > 20) {
841 sscanf(line+17, "%x", &lsb);
842 sscanf(line+20, "%x", &msb);
843 cnt = lsb + msb * 256;
844 set_total_count(cnt, sess);
845 sess->count = 0;
846 }
847 }
848 if ( strstr(line, "WPTDAT") || strstr(line, "TRKHDR") || strstr(line, "TRKDAT") ) {
849 sess->count++;
850 set_current_count(sess->count, sess);
851 }
852 break;
853 case BABEL_DONE:
854 break;
855 default:
856 break;
857 }
858
859 }
860
861 static void gps_upload_progress_func(BabelProgressCode c, gpointer data, GpsSession * sess )
862 {
863 gchar *line;
864 static int cnt = 0;
865
866 gdk_threads_enter ();
867 g_mutex_lock(sess->mutex);
868 if (!sess->ok) {
869 g_mutex_unlock(sess->mutex);
870 gps_session_delete(sess);
871 gdk_threads_leave();
872 g_thread_exit ( NULL );
873 }
874 g_mutex_unlock(sess->mutex);
875 gdk_threads_leave ();
876
877 switch(c) {
878 case BABEL_DIAG_OUTPUT:
879 line = (gchar *)data;
880
881 if (strstr(line, "PRDDAT")) {
882 gchar **tokens = g_strsplit(line, " ", 0);
883 gchar info[128];
884 int ilen = 0;
885 int i;
886 int n_tokens = 0;
887
888 while (tokens[n_tokens])
889 n_tokens++;
890
891 if (n_tokens > 8) {
892 for (i=8; tokens[i] && ilen < sizeof(info)-2 && strcmp(tokens[i], "00"); i++) {
893 guint ch;
894 sscanf(tokens[i], "%x", &ch);
895 info[ilen++] = ch;
896 }
897 info[ilen++] = 0;
898 set_gps_info(info, sess);
899 }
900 g_strfreev(tokens);
901 }
902 if (strstr(line, "RECORD")) {
903 int lsb, msb;
904
905 if (strlen(line) > 20) {
906 sscanf(line+17, "%x", &lsb);
907 sscanf(line+20, "%x", &msb);
908 cnt = lsb + msb * 256;
909 /* set_total_count(cnt, sess); */
910 sess->count = 0;
911 }
912 }
913 if ( strstr(line, "WPTDAT")) {
914 if (sess->count == 0) {
915 sess->progress_label = sess->wp_label;
916 set_total_count(cnt, sess);
917 }
918 sess->count++;
919 set_current_count(sess->count, sess);
920
921 }
922 if ( strstr(line, "TRKHDR") || strstr(line, "TRKDAT") ) {
923 if (sess->count == 0) {
924 sess->progress_label = sess->trk_label;
925 set_total_count(cnt, sess);
926 }
927 sess->count++;
928 set_current_count(sess->count, sess);
929 }
930 break;
931 case BABEL_DONE:
932 break;
933 default:
934 break;
935 }
936
937 }
938
939 static void gps_comm_thread(GpsSession *sess)
940 {
941 gboolean result;
942
943 if (sess->direction == GPS_DOWN)
944 result = a_babel_convert_from (sess->vtl, sess->cmd_args,
945 (BabelStatusFunc) gps_download_progress_func, sess->port, sess);
946 else
947 result = a_babel_convert_to (sess->vtl, sess->cmd_args,
948 (BabelStatusFunc) gps_upload_progress_func, sess->port, sess);
949
950 gdk_threads_enter();
951 if (!result) {
952 gtk_label_set_text ( GTK_LABEL(sess->status_label), _("Error: couldn't find gpsbabel.") );
953 }
954 else {
955 g_mutex_lock(sess->mutex);
956 if (sess->ok) {
957 gtk_label_set_text ( GTK_LABEL(sess->status_label), _("Done.") );
958 gtk_dialog_set_response_sensitive ( GTK_DIALOG(sess->dialog), GTK_RESPONSE_ACCEPT, TRUE );
959 gtk_dialog_set_response_sensitive ( GTK_DIALOG(sess->dialog), GTK_RESPONSE_REJECT, FALSE );
960 } else {
961 /* canceled */
962 }
963 g_mutex_unlock(sess->mutex);
964 }
965
966 g_mutex_lock(sess->mutex);
967 if (sess->ok) {
968 sess->ok = FALSE;
969 g_mutex_unlock(sess->mutex);
970 }
971 else {
972 g_mutex_unlock(sess->mutex);
973 gps_session_delete(sess);
974 }
975 gdk_threads_leave();
976 g_thread_exit(NULL);
977 }
978
979 static gint gps_comm(VikTrwLayer *vtl, gps_dir dir, vik_gps_proto proto, gchar *port) {
980 GpsSession *sess = g_malloc(sizeof(GpsSession));
981
982 sess->mutex = g_mutex_new();
983 sess->direction = dir;
984 sess->vtl = vtl;
985 sess->port = g_strdup(port);
986 sess->ok = TRUE;
987 sess->cmd_args = g_strdup_printf("-D 9 -t -w -%c %s",
988 (dir == GPS_DOWN) ? 'i' : 'o', protocols_args[proto]);
989 sess->window_title = (dir == GPS_DOWN) ? _("GPS Download") : _("GPS Upload");
990
991 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 );
992 gtk_dialog_set_response_sensitive ( GTK_DIALOG(sess->dialog),
993 GTK_RESPONSE_ACCEPT, FALSE );
994 gtk_window_set_title ( GTK_WINDOW(sess->dialog), sess->window_title );
995
996 sess->status_label = gtk_label_new (_("Status: detecting gpsbabel"));
997 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(sess->dialog)->vbox),
998 sess->status_label, FALSE, FALSE, 5 );
999 gtk_widget_show_all(sess->status_label);
1000
1001 sess->gps_label = gtk_label_new (_("GPS device: N/A"));
1002 sess->ver_label = gtk_label_new ("");
1003 sess->id_label = gtk_label_new ("");
1004 sess->wp_label = gtk_label_new ("");
1005 sess->trk_label = gtk_label_new ("");
1006
1007 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(sess->dialog)->vbox), sess->gps_label, FALSE, FALSE, 5 );
1008 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(sess->dialog)->vbox), sess->wp_label, FALSE, FALSE, 5 );
1009 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(sess->dialog)->vbox), sess->trk_label, FALSE, FALSE, 5 );
1010
1011 gtk_widget_show_all(sess->dialog);
1012
1013 sess->progress_label = sess->wp_label;
1014 sess->total_count = -1;
1015
1016 /* TODO: starting gps read/write thread here */
1017 g_thread_create((GThreadFunc)gps_comm_thread, sess, FALSE, NULL );
1018
1019 gtk_dialog_run(GTK_DIALOG(sess->dialog));
1020
1021 gtk_widget_destroy(sess->dialog);
1022
1023 g_mutex_lock(sess->mutex);
1024 if (sess->ok) {
1025 sess->ok = FALSE; /* tell thread to stop */
1026 g_mutex_unlock(sess->mutex);
1027 }
1028 else {
1029 g_mutex_unlock(sess->mutex);
1030 gps_session_delete(sess);
1031 }
1032
1033 return 0;
1034 }
1035
1036 static void gps_upload_cb( gpointer layer_and_vlp[2] )
1037 {
1038 VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
1039 VikTrwLayer *vtl = vgl->trw_children[TRW_UPLOAD];
1040 gps_comm(vtl, GPS_UP, vgl->protocol_id, params_ports[vgl->serial_port_id]);
1041 }
1042
1043 static void gps_download_cb( gpointer layer_and_vlp[2] )
1044 {
1045 VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
1046 VikTrwLayer *vtl = vgl->trw_children[TRW_DOWNLOAD];
1047 gps_comm(vtl, GPS_DOWN, vgl->protocol_id, params_ports[vgl->serial_port_id]);
1048 }
1049
1050 static void gps_empty_upload_cb( gpointer layer_and_vlp[2] )
1051 {
1052 VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
1053 vik_trw_layer_delete_all_waypoints ( vgl-> trw_children[TRW_UPLOAD]);
1054 vik_trw_layer_delete_all_tracks ( vgl-> trw_children[TRW_UPLOAD]);
1055 }
1056
1057 static void gps_empty_download_cb( gpointer layer_and_vlp[2] )
1058 {
1059 VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
1060 vik_trw_layer_delete_all_waypoints ( vgl-> trw_children[TRW_DOWNLOAD]);
1061 vik_trw_layer_delete_all_tracks ( vgl-> trw_children[TRW_DOWNLOAD]);
1062 }
1063
1064 static void gps_empty_all_cb( gpointer layer_and_vlp[2] )
1065 {
1066 VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
1067 vik_trw_layer_delete_all_waypoints ( vgl-> trw_children[TRW_UPLOAD]);
1068 vik_trw_layer_delete_all_tracks ( vgl-> trw_children[TRW_UPLOAD]);
1069 vik_trw_layer_delete_all_waypoints ( vgl-> trw_children[TRW_DOWNLOAD]);
1070 vik_trw_layer_delete_all_tracks ( vgl-> trw_children[TRW_DOWNLOAD]);
1071 }
1072
1073 #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
1074 static void rt_gpsd_disconnect(VikGpsLayer *vgl);
1075 static gboolean rt_gpsd_connect(VikGpsLayer *vgl, gboolean ask_if_failed);
1076
1077 static void realtime_tracking_draw(VikGpsLayer *vgl, VikViewport *vp)
1078 {
1079 struct LatLon ll;
1080 VikCoord nw, se;
1081 struct LatLon lnw, lse;
1082 vik_viewport_screen_to_coord ( vp, -20, -20, &nw );
1083 vik_viewport_screen_to_coord ( vp, vik_viewport_get_width(vp)+20, vik_viewport_get_width(vp)+20, &se );
1084 vik_coord_to_latlon ( &nw, &lnw );
1085 vik_coord_to_latlon ( &se, &lse );
1086 if ( vgl->realtime_fix.fix.latitude > lse.lat &&
1087 vgl->realtime_fix.fix.latitude < lnw.lat &&
1088 vgl->realtime_fix.fix.longitude > lnw.lon &&
1089 vgl->realtime_fix.fix.longitude < lse.lon ) {
1090 VikCoord gps;
1091 gint x, y;
1092 gint half_back_x, half_back_y;
1093 gint half_back_bg_x, half_back_bg_y;
1094 gint pt_x, pt_y;
1095 gint ptbg_x, ptbg_y;
1096 gint side1_x, side1_y, side2_x, side2_y;
1097 gint side1bg_x, side1bg_y, side2bg_x, side2bg_y;
1098
1099 ll.lat = vgl->realtime_fix.fix.latitude;
1100 ll.lon = vgl->realtime_fix.fix.longitude;
1101 vik_coord_load_from_latlon ( &gps, vik_viewport_get_coord_mode(vp), &ll);
1102 vik_viewport_coord_to_screen ( vp, &gps, &x, &y );
1103
1104 gdouble heading_cos = cos(M_PI/180*vgl->realtime_fix.fix.track);
1105 gdouble heading_sin = sin(M_PI/180*vgl->realtime_fix.fix.track);
1106
1107 half_back_y = y+8*heading_cos;
1108 half_back_x = x-8*heading_sin;
1109 half_back_bg_y = y+10*heading_cos;
1110 half_back_bg_x = x-10*heading_sin;
1111
1112 pt_y = half_back_y-24*heading_cos;
1113 pt_x = half_back_x+24*heading_sin;
1114 ptbg_y = half_back_bg_y-28*heading_cos;
1115 ptbg_x = half_back_bg_x+28*heading_sin;
1116
1117 side1_y = half_back_y+9*heading_sin;
1118 side1_x = half_back_x+9*heading_cos;
1119 side1bg_y = half_back_bg_y+11*heading_sin;
1120 side1bg_x = half_back_bg_x+11*heading_cos;
1121
1122 side2_y = half_back_y-9*heading_sin;
1123 side2_x = half_back_x-9*heading_cos;
1124 side2bg_y = half_back_bg_y-11*heading_sin;
1125 side2bg_x = half_back_bg_x-11*heading_cos;
1126
1127 GdkPoint trian[3] = { { pt_x, pt_y }, {side1_x, side1_y}, {side2_x, side2_y} };
1128 GdkPoint trian_bg[3] = { { ptbg_x, pt_y }, {side1bg_x, side1bg_y}, {side2bg_x, side2bg_y} };
1129
1130 vik_viewport_draw_polygon ( vp, vgl->realtime_track_bg_gc, TRUE, trian_bg, 3 );
1131 vik_viewport_draw_polygon ( vp, vgl->realtime_track_gc, TRUE, trian, 3 );
1132 vik_viewport_draw_rectangle ( vp,
1133 (vgl->realtime_fix.fix.mode > MODE_2D) ? vgl->realtime_track_pt2_gc : vgl->realtime_track_pt1_gc,
1134 TRUE, x-2, y-2, 4, 4 );
1135 //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;
1136 }
1137 }
1138
1139 static void create_realtime_trackpoint(VikGpsLayer *vgl, gboolean forced)
1140 {
1141 struct LatLon ll;
1142 GList *last_tp;
1143
1144 /* Note that fix.time is a double, but it should not affect the precision
1145 for most GPS */
1146 time_t cur_timestamp = vgl->realtime_fix.fix.time;
1147 time_t last_timestamp = vgl->last_fix.fix.time;
1148
1149 if (cur_timestamp < last_timestamp) {
1150 return;
1151 }
1152
1153 if (vgl->realtime_record && vgl->realtime_fix.dirty) {
1154 gboolean replace = FALSE;
1155 int heading = (int)floor(vgl->realtime_fix.fix.track);
1156 int last_heading = (int)floor(vgl->last_fix.fix.track);
1157 int alt = isnan(vgl->realtime_fix.fix.altitude) ? VIK_DEFAULT_ALTITUDE : floor(vgl->realtime_fix.fix.altitude);
1158 int last_alt = isnan(vgl->last_fix.fix.altitude) ? VIK_DEFAULT_ALTITUDE : floor(vgl->last_fix.fix.altitude);
1159 if (((last_tp = g_list_last(vgl->realtime_track->trackpoints)) != NULL) &&
1160 (vgl->realtime_fix.fix.mode > MODE_2D) &&
1161 (vgl->last_fix.fix.mode <= MODE_2D) &&
1162 ((cur_timestamp - last_timestamp) < 2)) {
1163 g_free(last_tp->data);
1164 vgl->realtime_track->trackpoints = g_list_delete_link(vgl->realtime_track->trackpoints, last_tp);
1165 replace = TRUE;
1166 }
1167 if (replace ||
1168 ((cur_timestamp != last_timestamp) &&
1169 ((forced ||
1170 ((heading < last_heading) && (heading < (last_heading - 3))) ||
1171 ((heading > last_heading) && (heading > (last_heading + 3))) ||
1172 ((alt != VIK_DEFAULT_ALTITUDE) && (alt != last_alt)))))) {
1173 /* TODO: check for new segments */
1174 VikTrackpoint *tp = vik_trackpoint_new();
1175 tp->newsegment = FALSE;
1176 tp->has_timestamp = TRUE;
1177 tp->timestamp = vgl->realtime_fix.fix.time;
1178 tp->altitude = alt;
1179 /* speed only available for 3D fix. Check for NAN when use this speed */
1180 tp->speed = vgl->realtime_fix.fix.speed;
1181 tp->course = vgl->realtime_fix.fix.track;
1182 tp->nsats = vgl->realtime_fix.satellites_used;
1183 tp->fix_mode = vgl->realtime_fix.fix.mode;
1184 tp->extended = TRUE;
1185
1186 ll.lat = vgl->realtime_fix.fix.latitude;
1187 ll.lon = vgl->realtime_fix.fix.longitude;
1188 vik_coord_load_from_latlon(&tp->coord,
1189 vik_trw_layer_get_coord_mode(vgl->trw_children[TRW_REALTIME]), &ll);
1190
1191 vgl->realtime_track->trackpoints = g_list_append(vgl->realtime_track->trackpoints, tp);
1192 vgl->realtime_fix.dirty = FALSE;
1193 vgl->realtime_fix.satellites_used = 0;
1194 vgl->last_fix = vgl->realtime_fix;
1195 }
1196 }
1197
1198 }
1199
1200 static void gpsd_raw_hook(VglGpsd *vgpsd, gchar *data)
1201 {
1202 gboolean update_all = FALSE;
1203 VikGpsLayer *vgl = vgpsd->vgl;
1204
1205 if (!vgl->realtime_tracking) {
1206 g_warning("%s: receiving GPS data while not in realtime mode", __PRETTY_FUNCTION__);
1207 return;
1208 }
1209
1210 if ((vgpsd->gpsd.fix.mode >= MODE_2D) &&
1211 !isnan(vgpsd->gpsd.fix.latitude) &&
1212 !isnan(vgpsd->gpsd.fix.longitude) &&
1213 !isnan(vgpsd->gpsd.fix.track)) {
1214
1215 VikWindow *vw = VIK_WINDOW(VIK_GTK_WINDOW_FROM_LAYER(vgl));
1216 VikViewport *vvp = vik_window_viewport(vw);
1217 vgl->realtime_fix.fix = vgpsd->gpsd.fix;
1218 vgl->realtime_fix.satellites_used = vgpsd->gpsd.satellites_used;
1219 vgl->realtime_fix.dirty = TRUE;
1220
1221 struct LatLon ll;
1222 VikCoord vehicle_coord;
1223
1224 ll.lat = vgl->realtime_fix.fix.latitude;
1225 ll.lon = vgl->realtime_fix.fix.longitude;
1226 vik_coord_load_from_latlon(&vehicle_coord,
1227 vik_trw_layer_get_coord_mode(vgl->trw_children[TRW_REALTIME]), &ll);
1228
1229 if ((vgl->vehicle_position == VEHICLE_POSITION_CENTERED) ||
1230 (vgl->realtime_jump_to_start && vgl->first_realtime_trackpoint)) {
1231 vik_viewport_set_center_coord(vvp, &vehicle_coord);
1232 update_all = TRUE;
1233 }
1234 else {
1235 const int hdiv = 6;
1236 const int vdiv = 6;
1237 const int px = 20; /* adjust ment in pixels to make sure vehicle is inside the box */
1238 gint width = vik_viewport_get_width(vvp);
1239 gint height = vik_viewport_get_height(vvp);
1240 gint vx, vy;
1241
1242 vik_viewport_coord_to_screen(vvp, &vehicle_coord, &vx, &vy);
1243 update_all = TRUE;
1244 if (vx < (width/hdiv))
1245 vik_viewport_set_center_screen(vvp, vx - width/2 + width/hdiv + px, vy);
1246 else if (vx > (width - width/hdiv))
1247 vik_viewport_set_center_screen(vvp, vx + width/2 - width/hdiv - px, vy);
1248 else if (vy < (height/vdiv))
1249 vik_viewport_set_center_screen(vvp, vx, vy - height/2 + height/vdiv + px);
1250 else if (vy > (height - height/vdiv))
1251 vik_viewport_set_center_screen(vvp, vx, vy + height/2 - height/vdiv - px);
1252 else
1253 update_all = FALSE;
1254 }
1255
1256 vgl->first_realtime_trackpoint = FALSE;
1257 create_realtime_trackpoint(vgl, FALSE);
1258
1259 vik_layer_emit_update ( update_all ? VIK_LAYER(vgl) : VIK_LAYER(vgl->trw_children[TRW_REALTIME]));
1260 }
1261 }
1262
1263 static gboolean gpsd_data_available(GIOChannel *source, GIOCondition condition, gpointer data)
1264 {
1265 VikGpsLayer *vgl = data;
1266 if (condition == G_IO_IN) {
1267 if (!gps_poll(&vgl->vgpsd->gpsd))
1268 return TRUE;
1269 else {
1270 g_warning("Disconnected from gpsd. Trying to reconnect");
1271 rt_gpsd_disconnect(vgl);
1272 rt_gpsd_connect(vgl, FALSE);
1273 }
1274 }
1275 return FALSE; /* no further calling */
1276 }
1277
1278 static gchar *make_track_name(VikTrwLayer *vtl)
1279 {
1280 const gchar basename[] = "REALTIME";
1281 const gint bufsize = sizeof(basename) + 5;
1282 gchar *name = g_malloc(bufsize);
1283 strcpy(name, basename);
1284 gint i = 2;
1285
1286 while (vik_trw_layer_get_track(vtl, name) != NULL) {
1287 g_snprintf(name, bufsize, "%s#%d", basename, i);
1288 i++;
1289 }
1290 return(name);
1291
1292 }
1293
1294 static gboolean rt_gpsd_try_connect(gpointer *data)
1295 {
1296 VikGpsLayer *vgl = (VikGpsLayer *)data;
1297 struct gps_data_t *gpsd = gps_open(vgl->gpsd_host, vgl->gpsd_port);
1298
1299 if (gpsd == NULL) {
1300 g_warning("Failed to connect to gpsd at %s (port %s). Will retry in %d seconds",
1301 vgl->gpsd_host, vgl->gpsd_port, vgl->gpsd_retry_interval);
1302 return TRUE; /* keep timer running */
1303 }
1304
1305 vgl->vgpsd = g_realloc(gpsd, sizeof(VglGpsd));
1306 vgl->vgpsd->vgl = vgl;
1307
1308 vgl->realtime_fix.dirty = vgl->last_fix.dirty = FALSE;
1309 /* track alt/time graph uses VIK_DEFAULT_ALTITUDE (0.0) as invalid */
1310 vgl->realtime_fix.fix.altitude = vgl->last_fix.fix.altitude = VIK_DEFAULT_ALTITUDE;
1311 vgl->realtime_fix.fix.speed = vgl->last_fix.fix.speed = NAN;
1312
1313 if (vgl->realtime_record) {
1314 VikTrwLayer *vtl = vgl->trw_children[TRW_REALTIME];
1315 vgl->realtime_track = vik_track_new();
1316 vgl->realtime_track->visible = TRUE;
1317 vgl->realtime_track_name = make_track_name(vtl);
1318 vik_trw_layer_add_track(vtl, vgl->realtime_track_name, vgl->realtime_track);
1319 }
1320
1321 gps_set_raw_hook(&vgl->vgpsd->gpsd, gpsd_raw_hook);
1322 vgl->realtime_io_channel = g_io_channel_unix_new(vgl->vgpsd->gpsd.gps_fd);
1323 vgl->realtime_io_watch_id = g_io_add_watch( vgl->realtime_io_channel,
1324 G_IO_IN | G_IO_ERR | G_IO_HUP, gpsd_data_available, vgl);
1325 gps_query(&vgl->vgpsd->gpsd, "w+x");
1326 return FALSE; /* no longer called by timeout */
1327 }
1328
1329 static gboolean rt_ask_retry(VikGpsLayer *vgl)
1330 {
1331 GtkWidget *dialog = gtk_message_dialog_new (VIK_GTK_WINDOW_FROM_LAYER(vgl),
1332 GTK_DIALOG_DESTROY_WITH_PARENT,
1333 GTK_MESSAGE_QUESTION,
1334 GTK_BUTTONS_YES_NO,
1335 "Failed to connect to gpsd at %s (port %s)\n"
1336 "Should Viking keep trying (every %d seconds)?",
1337 vgl->gpsd_host, vgl->gpsd_port,
1338 vgl->gpsd_retry_interval);
1339
1340 gint res = gtk_dialog_run(GTK_DIALOG(dialog));
1341 gtk_widget_destroy(dialog);
1342 return (res == GTK_RESPONSE_YES);
1343 }
1344
1345 static gboolean rt_gpsd_connect(VikGpsLayer *vgl, gboolean ask_if_failed)
1346 {
1347 vgl->realtime_retry_timer = 0;
1348 if (rt_gpsd_try_connect((gpointer *)vgl)) {
1349 if (vgl->gpsd_retry_interval <= 0) {
1350 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);
1351 return FALSE;
1352 }
1353 else if (ask_if_failed && !rt_ask_retry(vgl))
1354 return FALSE;
1355 else
1356 vgl->realtime_retry_timer = g_timeout_add_seconds(vgl->gpsd_retry_interval,
1357 (GSourceFunc)rt_gpsd_try_connect, (gpointer *)vgl);
1358 }
1359 return TRUE;
1360 }
1361
1362 static void rt_gpsd_disconnect(VikGpsLayer *vgl)
1363 {
1364 if (vgl->realtime_io_watch_id) {
1365 g_source_remove(vgl->realtime_io_watch_id);
1366 vgl->realtime_io_watch_id = 0;
1367 }
1368 if (vgl->realtime_retry_timer) {
1369 g_source_remove(vgl->realtime_retry_timer);
1370 vgl->realtime_retry_timer = 0;
1371 }
1372 if (vgl->realtime_io_channel) {
1373 GError *error = NULL;
1374 g_io_channel_shutdown (vgl->realtime_io_channel, FALSE, &error);
1375 vgl->realtime_io_channel = NULL;
1376 }
1377 if (vgl->vgpsd) {
1378 gps_close(&vgl->vgpsd->gpsd);
1379 vgl->vgpsd = NULL;
1380 }
1381
1382 if (vgl->realtime_record && vgl->realtime_track) {
1383 create_realtime_trackpoint(vgl, TRUE);
1384 if ((vgl->realtime_track->trackpoints == NULL) || (vgl->realtime_track->trackpoints->next == NULL))
1385 vik_trw_layer_delete_track(vgl->trw_children[TRW_REALTIME], vgl->realtime_track_name);
1386 vgl->realtime_track = NULL;
1387 }
1388 }
1389
1390 static void gps_start_stop_tracking_cb( gpointer layer_and_vlp[2])
1391 {
1392 VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
1393 vgl->realtime_tracking = (vgl->realtime_tracking == FALSE);
1394
1395 /* Make sure we are still in the boat with libgps */
1396 g_assert((VIK_GPS_MODE_2D == MODE_2D) && (VIK_GPS_MODE_3D == MODE_3D));
1397
1398 if (vgl->realtime_tracking) {
1399 vgl->first_realtime_trackpoint = TRUE;
1400 if (!rt_gpsd_connect(vgl, TRUE)) {
1401 vgl->first_realtime_trackpoint = FALSE;
1402 vgl->realtime_tracking = FALSE;
1403 }
1404 }
1405 else { /* stop realtime tracking */
1406 vgl->first_realtime_trackpoint = FALSE;
1407 rt_gpsd_disconnect(vgl);
1408 }
1409 }
1410 #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */
1411
GPS data editor and analyzer