2 * Navit, a modular navigation system.
3 * Copyright (C) 2005-2008 Navit Team
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License
7 * version 2 as published by the Free Software Foundation.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the
16 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17 * Boston, MA 02110-1301, USA.
35 #include "projection.h"
41 #include "transform.h"
47 #include "data_window.h"
49 #include "navigation.h"
60 #include "navit_nls.h"
63 #include "vehicleprofile.h"
66 * @defgroup navit the navit core instance. navit is the object containing nearly everything: A set of maps, one or more vehicle, a graphics object for rendering the map, a gui object for displaying the user interface, a route object, a navigation object and so on. Be warned that it is theoretically possible to have more than one navit object
70 //! The navit_vehicule
71 struct navit_vehicle {
73 /*! Limit of the follow counter. See navit_add_vehicle */
75 /*! Deprecated : follow counter itself. When it reaches 'update' counts, map is recentered*/
79 struct coord last; /*< Position of the last update of this vehicle */
80 struct vehicle *vehicle;
90 struct layout *layout_current;
92 struct action *action;
93 struct transformation *trans;
94 struct compass *compass;
96 struct navigation *navigation;
97 struct speech *speech;
98 struct tracking *tracking;
101 struct displaylist *displaylist;
104 int recentdest_count;
105 int osd_configuration;
107 GList *windows_items;
108 struct navit_vehicle *vehicle;
109 struct callback_list *attr_cbl;
110 struct callback *nav_speech_cb, *roadbook_callback, *popup_callback, *route_cb;
111 struct datawindow *roadbook_window;
112 struct map *bookmark;
113 struct map *former_destination;
114 GHashTable *bookmarks_hash;
115 struct point pressed, last, current;
116 int button_pressed,moved,popped,zoomed;
121 struct event_timeout *button_timeout, *motion_timeout;
122 struct callback *motion_timeout_callback;
124 int ignore_graphics_events;
125 struct log *textfile_debug_log;
126 struct pcoord destination;
127 int destination_valid;
132 struct messagelist *messages;
133 struct callback *resize_callback,*button_callback,*motion_callback;
134 struct vehicleprofile *vehicleprofile;
135 GList *vehicleprofiles;
140 struct gui *main_loop_gui;
145 struct mapset_handle *mapset_handle;
149 static void navit_vehicle_update(struct navit *this_, struct navit_vehicle *nv);
150 static void navit_vehicle_draw(struct navit *this_, struct navit_vehicle *nv, struct point *pnt);
151 static int navit_add_vehicle(struct navit *this_, struct vehicle *v);
152 static int navit_set_attr_do(struct navit *this_, struct attr *attr, int init);
153 static int navit_get_cursor_pnt(struct navit *this_, struct point *p, int *dir);
154 static void navit_cmd_zoom_to_route(struct navit *this);
155 static void navit_cmd_set_center_cursor(struct navit *this_);
156 static void navit_cmd_announcer_toggle(struct navit *this_);
157 static void navit_set_vehicle(struct navit *this_, struct navit_vehicle *nv);
160 navit_add_mapset(struct navit *this_, struct mapset *ms)
162 this_->mapsets = g_list_append(this_->mapsets, ms);
166 navit_get_mapset(struct navit *this_)
169 return this_->mapsets->data;
171 dbg(0,"No mapsets enabled! Is it on purpose? Navit can't draw a map. Please check your navit.xml\n");
177 navit_get_tracking(struct navit *this_)
179 return this_->tracking;
183 navit_draw_async(struct navit *this_, int async)
186 struct navit_vehicle *nv;
188 if (this_->blocked) {
192 transform_setup_source_rect(this_->trans);
196 navit_vehicle_draw(this_, nv, NULL);
199 graphics_draw(this_->gra, this_->displaylist, this_->mapsets->data, this_->trans, this_->layout_current, async, NULL);
203 navit_draw(struct navit *this_)
205 navit_draw_async(this_, 0);
210 navit_draw_displaylist(struct navit *this_)
212 if (this_->ready == 3)
213 graphics_displaylist_draw(this_->gra, this_->displaylist, this_->trans, this_->layout_current, 1);
217 navit_redraw_route(struct navit *this_, struct route *route, struct attr *attr)
220 if (attr->type != attr_route_status)
223 if (this_->ready != 3)
225 if (updated != route_status_path_done_new)
227 if (this_->vehicle) {
228 if (this_->vehicle->follow_curr == 1)
230 if (this_->vehicle->follow_curr <= this_->vehicle->follow)
231 this_->vehicle->follow_curr=this_->vehicle->follow;
237 navit_handle_resize(struct navit *this_, int w, int h)
239 struct map_selection sel;
240 memset(&sel, 0, sizeof(sel));
245 transform_set_screen_selection(this_->trans, &sel);
247 graphics_set_rect(this_->gra, &sel.u.p_rect);
248 if (this_->ready == 3)
253 navit_resize(void *data, int w, int h)
255 struct navit *this=data;
256 if (!this->ignore_graphics_events)
257 navit_handle_resize(this, w, h);
261 navit_get_width(struct navit *this_)
268 navit_get_height(struct navit *this_)
274 navit_popup(void *data)
276 struct navit *this_=data;
277 popup(this_, 1, &this_->pressed);
278 this_->button_timeout=NULL;
284 navit_ignore_button(struct navit *this_)
286 if (this_->ignore_button)
288 this_->ignore_button=1;
293 navit_ignore_graphics_events(struct navit *this_, int ignore)
295 this_->ignore_graphics_events=ignore;
299 update_transformation(struct transformation *tr, struct point *old, struct point *new, struct point *rot)
304 double angleo,anglen;
306 transform_reverse(tr, old, &co);
308 angleo=atan2(old->y-rot->y, old->x-rot->x)*180/M_PI;
309 anglen=atan2(new->y-rot->y, new->x-rot->x)*180/M_PI;
310 yaw=transform_get_yaw(tr)+angleo-anglen;
311 transform_set_yaw(tr, yaw % 360);
313 transform_reverse(tr, new, &cn);
314 cp=transform_get_center(tr);
317 dbg(1,"from 0x%x,0x%x to 0x%x,0x%x\n", cp->x, cp->y, c.x, c.y);
318 transform_set_center(tr, &c);
322 navit_set_timeout(struct navit *this_)
325 follow.type=attr_follow;
326 follow.u.num=this_->center_timeout;
327 navit_set_attr(this_, &follow);
331 navit_handle_button(struct navit *this_, int pressed, int button, struct point *p, struct callback *popup_callback)
335 callback_list_call_attr_4(this_->attr_cbl, attr_button, this_, (void *)pressed, (void *)button, p);
336 if (this_->ignore_button) {
337 this_->ignore_button=0;
345 this_->button_pressed=1;
349 this_->button_timeout=event_add_timeout(500, 0, popup_callback);
352 navit_set_center_screen(this_, p, 1);
354 popup(this_, button, p);
355 if (button == 4 && this_->use_mousewheel) {
357 navit_zoom_in(this_, 2, p);
359 if (button == 5 && this_->use_mousewheel) {
361 navit_zoom_out(this_, 2, p);
365 this_->button_pressed=0;
366 if (this_->button_timeout) {
367 event_remove_timeout(this_->button_timeout);
368 this_->button_timeout=NULL;
369 if (! this_->moved && ! transform_within_border(this_->trans, p, border)) {
370 navit_set_center_screen(this_, p, !this_->zoomed);
373 if (this_->motion_timeout) {
374 event_remove_timeout(this_->motion_timeout);
375 this_->motion_timeout=NULL;
382 update_transformation(this_->trans, &this_->pressed, p, &pr);
384 update_transformation(this_->trans, &this_->pressed, p, NULL);
386 graphics_draw_drag(this_->gra, NULL);
387 graphics_overlay_disable(this_->gra, 0);
389 navit_set_timeout(this_);
398 navit_button(void *data, int pressed, int button, struct point *p)
400 struct navit *this=data;
401 if (!this->ignore_graphics_events) {
402 if (! this->popup_callback)
403 this->popup_callback=callback_new_1(callback_cast(navit_popup), this);
404 navit_handle_button(this, pressed, button, p, this->popup_callback);
410 navit_motion_timeout(struct navit *this_)
414 if (this_->drag_bitmap) {
416 point.x=(this_->current.x-this_->pressed.x);
417 point.y=(this_->current.y-this_->pressed.y);
418 if (graphics_draw_drag(this_->gra, &point)) {
419 graphics_overlay_disable(this_->gra, 1);
420 graphics_draw_mode(this_->gra, draw_mode_end);
422 this_->motion_timeout=NULL;
426 dx=(this_->current.x-this_->last.x);
427 dy=(this_->current.y-this_->last.y);
429 struct transformation *tr;
431 this_->last=this_->current;
432 graphics_overlay_disable(this_->gra, 1);
433 tr=transform_dup(this_->trans);
437 update_transformation(tr, &this_->pressed, &this_->current, &pr);
439 update_transformation(tr, &this_->pressed, &this_->current, NULL);
442 graphics_displaylist_move(this_->displaylist, dx, dy);
444 graphics_draw_cancel(this_->gra, this_->displaylist);
445 graphics_displaylist_draw(this_->gra, this_->displaylist, tr, this_->layout_current, 0);
446 transform_destroy(tr);
449 this_->motion_timeout=NULL;
454 navit_handle_motion(struct navit *this_, struct point *p)
458 if (this_->button_pressed && !this_->popped) {
459 dx=(p->x-this_->pressed.x);
460 dy=(p->y-this_->pressed.y);
461 if (dx < -8 || dx > 8 || dy < -8 || dy > 8) {
462 if (this_->button_timeout) {
463 event_remove_timeout(this_->button_timeout);
464 this_->button_timeout=NULL;
467 if (! this_->motion_timeout_callback)
468 this_->motion_timeout_callback=callback_new_1(callback_cast(navit_motion_timeout), this_);
469 if (! this_->motion_timeout)
470 this_->motion_timeout=event_add_timeout(100, 0, this_->motion_timeout_callback);
476 navit_motion(void *data, struct point *p)
478 struct navit *this=data;
479 if (!this->ignore_graphics_events)
480 navit_handle_motion(this, p);
484 navit_scale(struct navit *this_, long scale, struct point *p, int draw)
486 struct coord c1, c2, *center;
488 transform_reverse(this_->trans, p, &c1);
489 transform_set_scale(this_->trans, scale);
491 transform_reverse(this_->trans, p, &c2);
492 center = transform_center(this_->trans);
493 center->x += c1.x - c2.x;
494 center->y += c1.y - c2.y;
501 * @brief Automatically adjusts zoom level
503 * This function automatically adjusts the current
504 * zoom level according to the current speed.
506 * @param this_ The navit struct
507 * @param center The "immovable" point - i.e. the vehicles position if we're centering on the vehicle
508 * @param speed The vehicles speed in meters per second
509 * @param dir The direction into which the vehicle moves
512 navit_autozoom(struct navit *this_, struct coord *center, int speed, int draw)
519 if (! this_->autozoom_active) {
523 distance = speed * this_->autozoom_secs;
525 transform_get_size(this_->trans, &w, &h);
526 transform(this_->trans, transform_get_projection(this_->trans), center, &pc, 1, 0, 0, NULL);
527 scale = transform_get_scale(this_->trans);
529 /* We make sure that the point we want to see is within a certain range
530 * around the vehicle. The radius of this circle is the size of the
531 * screen. This doesn't necessarily mean the point is visible because of
532 * perspective etc. Quite rough, but should be enough. */
535 new_scale = (double)distance / h * 16;
537 new_scale = (double)distance / w * 16;
540 if (abs(new_scale - scale) < 2) {
544 if (new_scale >= this_->autozoom_min) {
545 navit_scale(this_, (long)new_scale, &pc, 0);
547 if (scale != this_->autozoom_min) {
548 navit_scale(this_, this_->autozoom_min, &pc, 0);
554 * Change the current zoom level, zooming closer to the ground
556 * @param navit The navit instance
557 * @param factor The zoom factor, usually 2
558 * @param p The invariant point (if set to NULL, default to center)
562 navit_zoom_in(struct navit *this_, int factor, struct point *p)
564 long scale=transform_get_scale(this_->trans)/factor;
567 navit_scale(this_, scale, p, 1);
571 * Change the current zoom level
573 * @param navit The navit instance
574 * @param factor The zoom factor, usually 2
575 * @param p The invariant point (if set to NULL, default to center)
579 navit_zoom_out(struct navit *this_, int factor, struct point *p)
581 long scale=transform_get_scale(this_->trans)*factor;
582 navit_scale(this_, scale, p, 1);
586 navit_cmd_zoom_in(struct navit *this_)
589 if (this_->vehicle && this_->vehicle->follow_curr == 1 && navit_get_cursor_pnt(this_, &p, NULL)) {
590 navit_zoom_in(this_, 2, &p);
591 this_->vehicle->follow_curr=this_->vehicle->follow;
593 navit_zoom_in(this_, 2, NULL);
598 navit_cmd_zoom_out(struct navit *this_)
601 if (this_->vehicle && this_->vehicle->follow_curr == 1 && navit_get_cursor_pnt(this_, &p, NULL)) {
602 navit_zoom_out(this_, 2, &p);
603 this_->vehicle->follow_curr=this_->vehicle->follow;
605 navit_zoom_out(this_, 2, NULL);
609 static struct command_table commands[] = {
610 {"zoom_in",command_cast(navit_cmd_zoom_in)},
611 {"zoom_out",command_cast(navit_cmd_zoom_out)},
612 {"zoom_to_route",command_cast(navit_cmd_zoom_to_route)},
613 {"set_center_cursor",command_cast(navit_cmd_set_center_cursor)},
614 {"announcer_toggle",command_cast(navit_cmd_announcer_toggle)},
619 navit_new(struct attr *parent, struct attr **attrs)
621 struct navit *this_=g_new0(struct navit, 1);
622 struct pcoord center;
625 enum projection pro=projection_mg;
630 this_->self.type=attr_navit;
631 this_->self.u.navit=this_;
632 this_->attr_cbl=callback_list_new();
633 main_add_navit(this_);
635 this_->bookmarks_hash=g_hash_table_new_full(g_str_hash, g_str_equal, g_free, NULL);
637 this_->orientation=-1;
638 this_->tracking_flag=1;
639 this_->recentdest_count=10;
640 this_->osd_configuration=-1;
642 this_->center_timeout = 10;
643 this_->use_mousewheel = 1;
644 this_->autozoom_secs = 10;
645 this_->autozoom_min = 7;
646 this_->autozoom_active = 0;
647 this_->follow_cursor = 1;
649 this_->trans = transform_new();
650 transform_from_geo(pro, &g, &co);
655 transform_setup(this_->trans, ¢er, zoom, (this_->orientation != -1) ? this_->orientation : 0);
656 for (;*attrs; attrs++) {
657 navit_set_attr_do(this_, *attrs, 1);
659 this_->displaylist=graphics_displaylist_new();
660 command_add_table(this_->attr_cbl, commands, sizeof(commands)/sizeof(struct command_table), this_);
662 this_->messages = messagelist_new(attrs);
668 navit_set_gui(struct navit *this_, struct gui *gui)
673 if (gui_has_main_loop(this_->gui)) {
674 if (! main_loop_gui) {
675 main_loop_gui=this_->gui;
677 dbg(0,"gui with main loop already active, ignoring this instance");
685 navit_add_message(struct navit *this_, char *message)
687 message_new(this_->messages, message);
691 *navit_get_messages(struct navit *this_)
693 return message_get(this_->messages);
697 navit_set_graphics(struct navit *this_, struct graphics *gra)
702 this_->resize_callback=callback_new_attr_1(callback_cast(navit_resize), attr_resize, this_);
703 graphics_add_callback(gra, this_->resize_callback);
704 this_->button_callback=callback_new_attr_1(callback_cast(navit_button), attr_button, this_);
705 graphics_add_callback(gra, this_->button_callback);
706 this_->motion_callback=callback_new_attr_1(callback_cast(navit_motion), attr_motion, this_);
707 graphics_add_callback(gra, this_->motion_callback);
712 navit_get_graphics(struct navit *this_)
717 struct vehicleprofile *
718 navit_get_vehicleprofile(struct navit *this_)
720 return this_->vehicleprofile;
724 navit_get_vehicleprofiles(struct navit *this_)
726 return this_->vehicleprofiles;
730 navit_projection_set(struct navit *this_, enum projection pro)
735 c=transform_center(this_->trans);
736 transform_to_geo(transform_get_projection(this_->trans), c, &g);
737 transform_set_projection(this_->trans, pro);
738 transform_from_geo(pro, &g, c);
743 * @param limit Limits the number of entries in the "backlog". Set to 0 for "infinite"
746 navit_append_coord(struct navit *this_, char *file, struct pcoord *c, const char *type, const char *description, GHashTable *h, int limit)
761 while ((ch = fgetc(f)) != EOF) {
762 if ((ch == '\n') && (prev != '\n')) {
768 if (prev != '\n') { // Last line did not end with a newline
773 f = fopen(file, "r+");
775 while (lines >= limit) { // We have to "scroll up"
777 numc = 0; // Counts how many bytes we have in our line to scroll up
778 while ((ch = fgetc(f)) != EOF) {
785 buffer=g_malloc(numc);
786 offset = numc; // Offset holds where we currently are
789 fseek(f,offset,SEEK_SET);
790 readc = fread(buffer,1,numc,f);
792 fseek(f,-(numc+readc),SEEK_CUR);
793 fwrite(buffer,1,readc,f);
796 } while (readc == numc);
800 ftruncate(fd,(offset-numc));
814 prostr = projection_to_name(c->pro,NULL);
815 fprintf(f,"%s%s%s0x%x %s0x%x type=%s label=\"%s\"\n",
816 prostr, *prostr ? ":" : "",
817 c->x >= 0 ? "":"-", c->x >= 0 ? c->x : -c->x,
818 c->y >= 0 ? "":"-", c->y >= 0 ? c->y : -c->y,
827 * navit_get_user_data_directory
829 * returns the directory used to store user data files (center.txt,
830 * destination.txt, bookmark.txt, ...)
832 * arg: gboolean create: create the directory if it does not exist
835 navit_get_user_data_directory(gboolean create) {
837 dir = getenv("NAVIT_USER_DATADIR");
838 if (create && !file_exists(dir)) {
839 dbg(0,"creating dir %s\n", dir);
840 if (file_mkdir(dir,0)) {
841 dbg(0,"failed creating dir %s\n", dir);
850 * navit_get_destination_file
852 * returns the name of the file used to store destinations with its
855 * arg: gboolean create: create the directory where the file is stored
856 * if it does not exist
859 navit_get_destination_file(gboolean create)
861 return g_strjoin(NULL, navit_get_user_data_directory(create), "/destination.txt", NULL);
865 * navit_get_bookmark_file
867 * returns the name of the file used to store bookmarks with its
870 * arg: gboolean create: create the directory where the file is stored
871 * if it does not exist
874 navit_get_bookmark_file(gboolean create)
876 return g_strjoin(NULL, navit_get_user_data_directory(create), "/bookmark.txt", NULL);
881 * navit_get_bookmark_file
883 * returns the name of the file used to store the center file with its
886 * arg: gboolean create: create the directory where the file is stored
887 * if it does not exist
890 navit_get_center_file(gboolean create)
892 return g_strjoin(NULL, navit_get_user_data_directory(create), "/center.txt", NULL);
896 navit_set_center_from_file(struct navit *this_, char *file)
898 #ifndef HAVE_API_ANDROID
902 size_t line_size = 0;
904 struct coord *center;
906 f = fopen(file, "r");
909 getline(&line, &line_size, f);
912 center = transform_center(this_->trans);
913 pro = transform_get_projection(this_->trans);
914 coord_parse(g_strchomp(line), pro, center);
922 navit_write_center_to_file(struct navit *this_, char *file)
926 struct coord *center;
928 f = fopen(file, "w+");
930 center = transform_center(this_->trans);
931 pro = transform_get_projection(this_->trans);
932 coord_print(pro, center, f);
942 * Start the route computing to a given set of coordinates
944 * @param navit The navit instance
945 * @param c The coordinate to start routing to
946 * @param description A label which allows the user to later identify this destination in the former destinations selection
950 navit_set_destination(struct navit *this_, struct pcoord *c, const char *description, int async)
953 this_->destination=*c;
954 this_->destination_valid=1;
956 this_->destination_valid=0;
957 char *destination_file = navit_get_destination_file(TRUE);
958 navit_append_coord(this_, destination_file, c, "former_destination", description, NULL, this_->recentdest_count);
959 g_free(destination_file);
960 callback_list_call_attr_0(this_->attr_cbl, attr_destination);
962 route_set_destination(this_->route, c, async);
964 if (this_->ready == 3)
970 * @brief Checks if a route is calculated
972 * This function checks if a route is calculated.
974 * @param this_ The navit struct whose route should be checked.
975 * @return True if the route is set, false otherwise.
978 navit_check_route(struct navit *this_)
981 return route_get_path_set(this_->route);
988 * Record the given set of coordinates as a bookmark
990 * @param navit The navit instance
991 * @param c The coordinate to store
992 * @param description A label which allows the user to later identify this bookmark
996 navit_add_bookmark(struct navit *this_, struct pcoord *c, const char *description)
998 char *bookmark_file = navit_get_bookmark_file(TRUE);
999 navit_append_coord(this_,bookmark_file, c, "bookmark", description, this_->bookmarks_hash,0);
1000 g_free(bookmark_file);
1002 callback_list_call_attr_0(this_->attr_cbl, attr_bookmark_map);
1005 struct navit *global_navit;
1008 navit_add_bookmarks_from_file(struct navit *this_)
1010 char *bookmark_file = navit_get_bookmark_file(FALSE);
1011 struct attr parent={attr_navit, .u.navit=this_};
1012 struct attr type={attr_type, {"textfile"}}, data={attr_data, {bookmark_file}};
1013 struct attr *attrs[]={&type, &data, NULL};
1015 this_->bookmark=map_new(&parent, attrs);
1016 g_free(bookmark_file);
1020 navit_former_destinations_active(struct navit *this_)
1022 char *destination_file = navit_get_destination_file(FALSE);
1026 f=fopen(destination_file,"r");
1028 if(!fseek(f, -2, SEEK_END) && fread(buffer, 2, 1, f) == 1 && (buffer[0]!='\n' || buffer[1]!='\n'))
1032 g_free(destination_file);
1037 navit_add_former_destinations_from_file(struct navit *this_)
1039 char *destination_file = navit_get_destination_file(FALSE);
1040 struct attr parent={attr_navit, .u.navit=this_};
1041 struct attr type={attr_type, {"textfile"}}, data={attr_data, {destination_file}};
1042 struct attr *attrs[]={&type, &data, NULL};
1043 struct map_rect *mr;
1049 this_->former_destination=map_new(&parent, attrs);
1050 g_free(destination_file);
1051 if (!this_->route || !navit_former_destinations_active(this_))
1053 mr=map_rect_new(this_->former_destination, NULL);
1054 while ((item=map_rect_get_item(mr))) {
1055 if (item->type == type_former_destination && item_coord_get(item, &c, 1))
1058 map_rect_destroy(mr);
1059 pc.pro=map_projection(this_->former_destination);
1063 route_set_destination(this_->route, &pc, 1);
1064 this_->destination=pc;
1065 this_->destination_valid=1;
1071 navit_textfile_debug_log(struct navit *this_, const char *fmt, ...)
1076 if (this_->textfile_debug_log && this_->vehicle) {
1077 str1=g_strdup_vprintf(fmt, ap);
1078 str2=g_strdup_printf("0x%x 0x%x%s%s\n", this_->vehicle->coord.x, this_->vehicle->coord.y, strlen(str1) ? " " : "", str1);
1079 log_write(this_->textfile_debug_log, str2, strlen(str2), 0);
1087 navit_speech_estimate(struct navit *this_, char *str)
1089 return speech_estimate_duration(this_->speech, str);
1093 navit_say(struct navit *this_, char *text)
1095 speech_say(this_->speech, text);
1099 * @brief Toggles the navigation announcer for navit
1100 * @param this_ The navit object
1103 navit_cmd_announcer_toggle(struct navit *this_)
1105 struct attr attr, speechattr;
1107 // search for the speech attribute
1108 if(!navit_get_attr(this_, attr_speech, &speechattr, NULL))
1110 // find out if the corresponding attribute attr_active has been set
1111 if(speech_get_attr(speechattr.u.speech, attr_active, &attr, NULL)) {
1113 attr.u.num = !attr.u.num;
1115 // otherwise disable it because voice is enabled by default
1116 attr.type = attr_active;
1120 // apply the new state
1121 if(!speech_set_attr(speechattr.u.speech, &attr))
1124 // announce that the speech attribute has changed
1125 callback_list_call_attr_0(this_->attr_cbl, attr_speech);
1129 navit_speak(struct navit *this_)
1131 struct navigation *nav=this_->navigation;
1132 struct map *map=NULL;
1133 struct map_rect *mr=NULL;
1137 if (!speech_get_attr(this_->speech, attr_active, &attr, NULL))
1139 dbg(1, "this_.speech->active %i\n", attr.u.num);
1144 map=navigation_get_map(nav);
1146 mr=map_rect_new(map, NULL);
1148 while ((item=map_rect_get_item(mr)) && (item->type == type_nav_position || item->type == type_nav_none));
1149 if (item && item_attr_get(item, attr_navigation_speech, &attr)) {
1150 speech_say(this_->speech, attr.u.str);
1151 navit_add_message(this_, attr.u.str);
1152 navit_textfile_debug_log(this_, "type=announcement label=\"%s\"", attr.u.str);
1154 map_rect_destroy(mr);
1159 navit_window_roadbook_update(struct navit *this_)
1161 struct navigation *nav=this_->navigation;
1162 struct map *map=NULL;
1163 struct map_rect *mr=NULL;
1166 struct param_list param[5];
1170 datawindow_mode(this_->roadbook_window, 1);
1172 map=navigation_get_map(nav);
1174 mr=map_rect_new(map, NULL);
1175 dbg(0,"nav=%p map=%p mr=%p\n", nav, map, mr);
1177 dbg(0,"while loop\n");
1178 while ((item=map_rect_get_item(mr))) {
1179 dbg(0,"item=%p\n", item);
1181 if (item->type != type_nav_position) {
1182 item_attr_get(item, attr_navigation_long, &attr);
1183 if (attr.u.str == NULL) {
1186 dbg(2, "Command='%s'\n", attr.u.str);
1187 param[0].value=g_strdup(attr.u.str);
1189 param[0].value=_("Position");
1190 param[0].name=_("Command");
1192 item_attr_get(item, attr_length, &attr);
1193 dbg(2, "Length=%d\n", attr.u.num);
1194 param[1].name=_("Length");
1196 if ( attr.u.num >= 2000 )
1198 param[1].value=g_strdup_printf("%5.1f %s",(float)attr.u.num / 1000, _("km") );
1202 param[1].value=g_strdup_printf("%7d %s",attr.u.num, _("m"));
1205 item_attr_get(item, attr_time, &attr);
1206 dbg(2, "Time=%d\n", attr.u.num);
1208 param[2].name=_("Time");
1211 param[2].value=g_strdup_printf("%d:%02d:%02d",secs / 60, ( secs / 60 ) % 60 , secs % 60);
1215 param[2].value=g_strdup_printf("%d:%02d",secs / 60, secs % 60);
1218 item_attr_get(item, attr_destination_length, &attr);
1219 dbg(2, "Destlength=%d\n", attr.u.num);
1220 param[3].name=_("Destination Length");
1221 if ( attr.u.num >= 2000 )
1223 param[3].value=g_strdup_printf("%5.1f %s",(float)attr.u.num / 1000, _("km") );
1227 param[3].value=g_strdup_printf("%d %s",attr.u.num, _("m"));
1230 item_attr_get(item, attr_destination_time, &attr);
1231 dbg(2, "Desttime=%d\n", attr.u.num);
1233 param[4].name=_("Destination Time");
1236 param[4].value=g_strdup_printf("%d:%02d:%02d",secs / 3600, (secs / 60 ) % 60 , secs % 60);
1240 param[4].value=g_strdup_printf("%d:%02d",secs / 60, secs % 60);
1242 datawindow_add(this_->roadbook_window, param, 5);
1244 map_rect_destroy(mr);
1246 datawindow_mode(this_->roadbook_window, 0);
1250 navit_window_roadbook_destroy(struct navit *this_)
1253 navigation_unregister_callback(this_->navigation, attr_navigation_long, this_->roadbook_callback);
1254 this_->roadbook_window=NULL;
1255 this_->roadbook_callback=NULL;
1258 navit_window_roadbook_new(struct navit *this_)
1260 if (!this_->gui || this_->roadbook_callback || this_->roadbook_window) {
1264 this_->roadbook_callback=callback_new_1(callback_cast(navit_window_roadbook_update), this_);
1265 navigation_register_callback(this_->navigation, attr_navigation_long, this_->roadbook_callback);
1266 this_->roadbook_window=gui_datawindow_new(this_->gui, _("Roadbook"), NULL, callback_new_1(callback_cast(navit_window_roadbook_destroy), this_));
1267 navit_window_roadbook_update(this_);
1271 navit_init(struct navit *this_)
1276 dbg(2,"enter gui %p graphics %p\n",this_->gui,this_->gra);
1279 navit_destroy(this_);
1283 dbg(0,"no graphics\n");
1284 navit_destroy(this_);
1287 dbg(2,"Connecting gui to graphics\n");
1288 if (gui_set_graphics(this_->gui, this_->gra)) {
1289 struct attr attr_type_gui, attr_type_graphics;
1290 gui_get_attr(this_->gui, attr_type, &attr_type_gui, NULL);
1291 graphics_get_attr(this_->gra, attr_type, &attr_type_graphics, NULL);
1292 dbg(0,"failed to connect graphics '%s' to gui '%s'\n", attr_type_graphics.u.str, attr_type_gui.u.str);
1293 dbg(0," Please see http://wiki.navit-project.org/index.php/Failed_to_connect_graphics_to_gui\n");
1294 dbg(0," for explanations and solutions\n");
1296 navit_destroy(this_);
1299 dbg(2,"Initializing graphics\n");
1300 graphics_init(this_->gra);
1301 dbg(2,"Setting Vehicle\n");
1302 navit_set_vehicle(this_, this_->vehicle);
1303 dbg(2,"Adding dynamic maps to mapset %p\n",this_->mapsets);
1304 if (this_->mapsets) {
1305 ms=this_->mapsets->data;
1307 if ((map=route_get_map(this_->route)))
1308 mapset_add_attr(ms, &(struct attr){attr_map,.u.map=map});
1309 if ((map=route_get_graph_map(this_->route))) {
1310 mapset_add_attr(ms, &(struct attr){attr_map,.u.map=map});
1311 map_set_attr(map, &(struct attr ){attr_active,.u.num=0});
1313 route_set_mapset(this_->route, ms);
1314 route_set_projection(this_->route, transform_get_projection(this_->trans));
1316 if (this_->tracking) {
1317 tracking_set_mapset(this_->tracking, ms);
1319 tracking_set_route(this_->tracking, this_->route);
1321 if (this_->navigation) {
1322 if ((map=navigation_get_map(this_->navigation))) {
1323 mapset_add_attr(ms, &(struct attr){attr_map,.u.map=map});
1324 map_set_attr(map, &(struct attr ){attr_active,.u.num=0});
1327 if (this_->tracking) {
1328 if ((map=tracking_get_map(this_->tracking))) {
1329 mapset_add_attr(ms, &(struct attr){attr_map,.u.map=map});
1330 map_set_attr(map, &(struct attr ){attr_active,.u.num=0});
1333 navit_add_bookmarks_from_file(this_);
1334 navit_add_former_destinations_from_file(this_);
1337 struct attr callback;
1338 this_->route_cb=callback_new_attr_1(callback_cast(navit_redraw_route), attr_route_status, this_);
1339 callback.type=attr_callback;
1340 callback.u.callback=this_->route_cb;
1341 route_add_attr(this_->route, &callback);
1343 if (this_->navigation) {
1344 if (this_->speech) {
1345 this_->nav_speech_cb=callback_new_1(callback_cast(navit_speak), this_);
1346 navigation_register_callback(this_->navigation, attr_navigation_speech, this_->nav_speech_cb);
1349 navigation_set_route(this_->navigation, this_->route);
1351 dbg(2,"Setting Center\n");
1352 char *center_file = navit_get_center_file(FALSE);
1353 navit_set_center_from_file(this_, center_file);
1354 g_free(center_file);
1356 if (this_->menubar) {
1357 men=menu_add(this_->menubar, "Data", menu_type_submenu, NULL);
1359 navit_add_menu_windows_items(this_, men);
1365 navit_window_roadbook_new(this_);
1366 navit_window_items_new(this_);
1368 callback_list_call_attr_1(this_->attr_cbl, attr_navit, this_);
1371 messagelist_init(this_->messages);
1373 dbg(2,"ready=%d\n",this_->ready);
1374 if (this_->ready == 3)
1379 navit_zoom_to_route(struct navit *this_, int orientation)
1382 struct map_rect *mr=NULL;
1385 struct coord_rect r;
1386 int count=0,scale=16;
1390 map=route_get_map(this_->route);
1391 dbg(1,"map=%p\n",map);
1393 mr=map_rect_new(map, NULL);
1394 dbg(1,"mr=%p\n",mr);
1396 while ((item=map_rect_get_item(mr))) {
1397 dbg(1,"item=%s\n", item_to_name(item->type));
1398 while (item_coord_get(item, &c, 1)) {
1403 coord_rect_extend(&r, &c);
1410 c.x=(r.rl.x+r.lu.x)/2;
1411 c.y=(r.rl.y+r.lu.y)/2;
1412 dbg(1,"count=%d\n",count);
1413 if (orientation != -1)
1414 transform_set_yaw(this_->trans, orientation);
1415 transform_set_center(this_->trans, &c);
1416 dbg(1,"%x,%x-%x,%x\n", r.rl.x,r.rl.y,r.lu.x,r.lu.y);
1417 while (scale < 1<<20) {
1419 transform_set_scale(this_->trans, scale);
1420 transform_setup_source_rect(this_->trans);
1421 transform(this_->trans, transform_get_projection(this_->trans), &r.lu, &p1, 1, 0, 0, NULL);
1422 transform(this_->trans, transform_get_projection(this_->trans), &r.rl, &p2, 1, 0, 0, NULL);
1423 dbg(1,"%d,%d-%d,%d\n",p1.x,p1.y,p2.x,p2.y);
1424 if (p1.x < 0 || p2.x < 0 || p1.x > this_->w || p2.x > this_->w ||
1425 p1.y < 0 || p2.y < 0 || p1.y > this_->h || p2.y > this_->h)
1431 if (this_->ready == 3)
1432 navit_draw_async(this_,0);
1436 navit_cmd_zoom_to_route(struct navit *this)
1438 navit_zoom_to_route(this, 0);
1443 * Change the current zoom level
1445 * @param navit The navit instance
1446 * @param center The point where to center the map, including its projection
1450 navit_set_center(struct navit *this_, struct pcoord *center, int set_timeout)
1452 struct coord *c=transform_center(this_->trans);
1454 enum projection pro = transform_get_projection(this_->trans);
1455 if (pro != center->pro) {
1458 transform_from_to(&c1, center->pro, &c2, pro);
1465 navit_set_timeout(this_);
1466 if (this_->ready == 3)
1471 navit_set_center_coord_screen(struct navit *this_, struct coord *c, struct point *p, int set_timeout)
1475 transform_set_center(this_->trans, c);
1476 transform_get_size(this_->trans, &width, &height);
1479 update_transformation(this_->trans, &po, p, NULL);
1481 navit_set_timeout(this_);
1485 navit_get_cursor_pnt(struct navit *this_, struct point *p, int *dir)
1488 struct navit_vehicle *nv=this_->vehicle;
1490 float offset=30; // Cursor offset from the center of the screen (percent).
1491 #if 0 /* Better improve track.c to get that issue resolved or make it configurable with being off the default, the jumping back to the center is a bit annoying */
1492 float min_offset = 0.; // Percent offset at min_offset_speed.
1493 float max_offset = 30.; // Percent offset at max_offset_speed.
1494 int min_offset_speed = 2; // Speed in km/h
1495 int max_offset_speed = 50; // Speed ini km/h
1496 // Calculate cursor offset from the center of the screen, upon speed.
1497 if (nv->speed <= min_offset_speed) {
1498 offset = min_offset;
1499 } else if (nv->speed > max_offset_speed) {
1500 offset = max_offset;
1502 offset = (max_offset - min_offset) / (max_offset_speed - min_offset_speed) * (nv->speed - min_offset_speed);
1506 transform_get_size(this_->trans, &width, &height);
1507 if (this_->orientation == -1) {
1509 p->y=(50 + offset)*height/100;
1514 if (this_->tracking && this_->tracking_flag) {
1515 mdir = tracking_get_angle(this_->tracking) - this_->orientation;
1517 mdir=nv->dir-this_->orientation;
1520 p->x=(50 - offset*sin(M_PI*mdir/180.))*width/100;
1521 p->y=(50 + offset*cos(M_PI*mdir/180.))*height/100;
1523 *dir=this_->orientation;
1529 navit_set_center_cursor(struct navit *this_)
1533 struct navit_vehicle *nv=this_->vehicle;
1534 navit_get_cursor_pnt(this_, &pn, &dir);
1535 transform_set_yaw(this_->trans, dir);
1536 navit_set_center_coord_screen(this_, &nv->coord, &pn, 0);
1537 navit_autozoom(this_, &nv->coord, nv->speed, 0);
1538 if (this_->ready == 3)
1539 navit_draw_async(this_, 1);
1543 navit_cmd_set_center_cursor(struct navit *this_)
1545 navit_set_center_cursor(this_);
1549 navit_set_center_screen(struct navit *this_, struct point *p, int set_timeout)
1553 transform_reverse(this_->trans, p, &c);
1556 pc.pro = transform_get_projection(this_->trans);
1557 navit_set_center(this_, &pc, set_timeout);
1561 switch((*attrs)->type) {
1563 zoom=(*attrs)->u.num;
1566 g=*((*attrs)->u.coord_geo);
1571 navit_set_attr_do(struct navit *this_, struct attr *attr, int init)
1573 int dir=0, orient_old=0, attr_updated=0;
1577 struct navit_vehicle *nv;
1578 struct attr active=(struct attr){attr_active,{(void *)0}};
1580 switch (attr->type) {
1582 attr_updated=(this_->autozoom_secs != attr->u.num);
1583 this_->autozoom_secs = attr->u.num;
1585 case attr_autozoom_active:
1586 attr_updated=(this_->autozoom_active != attr->u.num);
1587 this_->autozoom_active = attr->u.num;
1590 transform_from_geo(transform_get_projection(this_->trans), attr->u.coord_geo, &co);
1591 dbg(1,"0x%x,0x%x\n",co.x,co.y);
1592 transform_set_center(this_->trans, &co);
1594 case attr_drag_bitmap:
1595 attr_updated=(this_->drag_bitmap != !!attr->u.num);
1596 this_->drag_bitmap=!!attr->u.num;
1599 if (!this_->vehicle)
1601 attr_updated=(this_->vehicle->follow_curr != attr->u.num);
1602 this_->vehicle->follow_curr = attr->u.num;
1605 if(this_->layout_current!=attr->u.layout) {
1606 this_->layout_current=attr->u.layout;
1607 graphics_font_destroy_all(this_->gra);
1612 case attr_orientation:
1613 orient_old=this_->orientation;
1614 this_->orientation=attr->u.num;
1616 if (this_->orientation != -1) {
1617 dir = this_->orientation;
1619 if (this_->vehicle) {
1620 dir = this_->vehicle->dir;
1623 transform_set_yaw(this_->trans, dir);
1624 if (orient_old != this_->orientation) {
1625 if (this_->ready == 3)
1631 case attr_osd_configuration:
1632 dbg(0,"setting osd_configuration to %d (was %d)\n", attr->u.num, this_->osd_configuration);
1633 attr_updated=(this_->osd_configuration != attr->u.num);
1634 this_->osd_configuration=attr->u.num;
1637 attr_updated=(this_->pitch != attr->u.num);
1638 this_->pitch=attr->u.num;
1639 transform_set_pitch(this_->trans, this_->pitch);
1640 if (!init && attr_updated && this_->ready == 3)
1643 case attr_projection:
1644 if(this_->trans && transform_get_projection(this_->trans) != attr->u.projection) {
1645 navit_projection_set(this_, attr->u.projection);
1649 case attr_recent_dest:
1650 attr_updated=(this_->recentdest_count != attr->u.num);
1651 this_->recentdest_count=attr->u.num;
1654 if(this_->speech && this_->speech != attr->u.speech) {
1656 this_->speech = attr->u.speech;
1660 attr_updated=(this_->center_timeout != attr->u.num);
1661 this_->center_timeout = attr->u.num;
1664 attr_updated=(this_->tracking_flag != !!attr->u.num);
1665 this_->tracking_flag=!!attr->u.num;
1667 case attr_use_mousewheel:
1668 attr_updated=(this_->use_mousewheel != !!attr->u.num);
1669 this_->use_mousewheel=!!attr->u.num;
1675 if (nv->vehicle == attr->u.vehicle) {
1676 if (!this_->vehicle || this_->vehicle->vehicle != attr->u.vehicle) {
1678 vehicle_set_attr(this_->vehicle->vehicle, &active, NULL);
1680 vehicle_set_attr(nv->vehicle, &active, NULL);
1683 navit_set_vehicle(this_, nv);
1689 zoom=transform_get_scale(this_->trans);
1690 attr_updated=(zoom != attr->u.num);
1691 transform_set_scale(this_->trans, attr->u.num);
1692 if (attr_updated && !init)
1696 navit_add_message(this_, attr->u.str);
1698 case attr_follow_cursor:
1699 attr_updated=(this_->follow_cursor != !!attr->u.num);
1700 this_->follow_cursor=!!attr->u.num;
1705 if (attr_updated && !init) {
1706 callback_list_call_attr_2(this_->attr_cbl, attr->type, this_, attr);
1707 if (attr->type == attr_osd_configuration)
1708 graphics_draw_mode(this_->gra, draw_mode_end);
1714 navit_set_attr(struct navit *this_, struct attr *attr)
1716 return navit_set_attr_do(this_, attr, 0);
1720 navit_get_attr(struct navit *this_, enum attr_type type, struct attr *attr, struct attr_iter *iter)
1722 struct message *msg;
1728 msg = navit_get_messages(this_);
1736 len += strlen(msg->text) + 1;
1739 attr->u.str = g_malloc(len + 1);
1741 msg = navit_get_messages(this_);
1744 g_stpcpy((attr->u.str + offset), msg->text);
1745 offset += strlen(msg->text);
1746 attr->u.str[offset] = '\n';
1752 attr->u.str[len] = '\0';
1754 case attr_bookmark_map:
1755 attr->u.map=this_->bookmark;
1757 case attr_callback_list:
1758 attr->u.callback_list=this_->attr_cbl;
1760 case attr_destination:
1761 if (! this_->destination_valid)
1763 attr->u.pcoord=&this_->destination;
1765 case attr_displaylist:
1766 attr->u.displaylist=this_->displaylist;
1767 return (attr->u.displaylist != NULL);
1768 case attr_former_destination_map:
1769 attr->u.map=this_->former_destination;
1772 attr->u.graphics=this_->gra;
1773 ret=(attr->u.graphics != NULL);
1776 attr->u.gui=this_->gui;
1777 ret=(attr->u.gui != NULL);
1782 iter->u.list=g_list_next(iter->u.list);
1784 iter->u.list=this_->layouts;
1788 attr->u.layout=(struct layout *)iter->u.list->data;
1790 attr->u.layout=this_->layout_current;
1794 if (iter && this_->mapsets) {
1795 if (!iter->u.mapset_handle) {
1796 iter->u.mapset_handle=mapset_open((struct mapset *)this_->mapsets->data);
1798 attr->u.map=mapset_next(iter->u.mapset_handle, 0);
1800 mapset_close(iter->u.mapset_handle);
1808 attr->u.mapset=this_->mapsets->data;
1809 return (attr->u.mapset != NULL);
1810 case attr_navigation:
1811 attr->u.navigation=this_->navigation;
1813 case attr_orientation:
1814 attr->u.num=this_->orientation;
1816 case attr_osd_configuration:
1817 attr->u.num=this_->osd_configuration;
1819 case attr_projection:
1821 attr->u.num=transform_get_projection(this_->trans);
1827 attr->u.route=this_->route;
1830 attr->u.speech=this_->speech;
1833 attr->u.num=this_->tracking_flag;
1835 case attr_transformation:
1836 attr->u.transformation=this_->trans;
1841 iter->u.list=g_list_next(iter->u.list);
1843 iter->u.list=this_->vehicles;
1847 attr->u.vehicle=((struct navit_vehicle*)iter->u.list->data)->vehicle;
1849 if(this_->vehicle) {
1850 attr->u.vehicle=this_->vehicle->vehicle;
1857 attr->u.num=transform_get_scale(this_->trans);
1859 case attr_autozoom_active:
1860 attr->u.num=this_->autozoom_active;
1862 case attr_follow_cursor:
1863 attr->u.num=this_->follow_cursor;
1873 navit_add_log(struct navit *this_, struct log *log)
1875 struct attr type_attr;
1876 if (!log_get_attr(log, attr_type, &type_attr, NULL))
1878 if (!strcmp(type_attr.u.str, "textfile_debug")) {
1879 char *header = "type=track_tracked\n";
1880 if (this_->textfile_debug_log)
1882 log_set_header(log, header, strlen(header));
1883 this_->textfile_debug_log=log;
1890 navit_add_attr(struct navit *this_, struct attr *attr)
1893 switch (attr->type) {
1895 navit_add_callback(this_, attr->u.callback);
1898 ret=navit_add_log(this_, attr->u.log);
1901 ret=navit_set_gui(this_, attr->u.gui);
1904 ret=navit_set_graphics(this_, attr->u.graphics);
1907 this_->layouts = g_list_append(this_->layouts, attr->u.layout);
1908 if(!this_->layout_current)
1909 this_->layout_current=attr->u.layout;
1912 this_->route=attr->u.route;
1915 this_->mapsets = g_list_append(this_->mapsets, attr->u.mapset);
1917 case attr_navigation:
1918 this_->navigation=attr->u.navigation;
1920 case attr_recent_dest:
1921 this_->recentdest_count = attr->u.num;
1924 this_->speech=attr->u.speech;
1927 this_->tracking=attr->u.tracking;
1930 ret=navit_add_vehicle(this_, attr->u.vehicle);
1932 case attr_vehicleprofile:
1933 this_->vehicleprofiles=g_list_prepend(this_->vehicleprofiles, attr->u.vehicleprofile);
1935 case attr_autozoom_min:
1936 this_->autozoom_min = attr->u.num;
1941 callback_list_call_attr_2(this_->attr_cbl, attr->type, this_, attr);
1946 navit_remove_attr(struct navit *this_, struct attr *attr)
1949 switch (attr->type) {
1951 navit_remove_callback(this_, attr->u.callback);
1960 navit_attr_iter_new()
1962 return g_new0(struct attr_iter, 1);
1966 navit_attr_iter_destroy(struct attr_iter *iter)
1972 navit_add_callback(struct navit *this_, struct callback *cb)
1974 callback_list_add(this_->attr_cbl, cb);
1978 navit_remove_callback(struct navit *this_, struct callback *cb)
1980 callback_list_remove(this_->attr_cbl, cb);
1984 * Toggle the cursor update : refresh the map each time the cursor has moved (instead of only when it reaches a border)
1986 * @param navit The navit instance
1991 navit_vehicle_draw(struct navit *this_, struct navit_vehicle *nv, struct point *pnt)
1993 struct point cursor_pnt;
1994 enum projection pro;
1999 if (! vehicle_get_attr(nv->vehicle, attr_cursor, &cursor, NULL))
2001 if (! cursor.u.cursor)
2006 pro=transform_get_projection(this_->trans);
2007 transform(this_->trans, pro, &nv->coord, &cursor_pnt, 1, 0, 0, NULL);
2009 cursor_draw(cursor.u.cursor, this_->gra, &cursor_pnt, pnt ? 0:1, nv->dir-transform_get_yaw(this_->trans), nv->speed);
2014 pro=transform_get_projection(this_->trans);
2015 transform(this_->trans, pro, &nv->coord, &pnt2, 1);
2018 cursor_draw(nv->cursor, &pnt2, nv->dir-transform_get_angle(this_->trans, 0), nv->speed > 2, pnt == NULL);
2020 cursor_draw(nv->cursor, &pnt2, nv->dir-transform_get_angle(this_->trans, 0), nv->speed > 2, 1);
2026 navit_vehicle_update(struct navit *this_, struct navit_vehicle *nv)
2028 struct attr attr_valid, attr_dir, attr_speed, attr_pos;
2029 struct pcoord cursor_pc;
2030 struct point cursor_pnt, *pnt=&cursor_pnt;
2031 struct tracking *tracking=NULL;
2032 enum projection pro=transform_get_projection(this_->trans);
2034 int (*get_attr)(void *, enum attr_type, struct attr *, struct attr_iter *);
2038 if (this_->ready != 3) {
2039 profile(0,"return 1\n");
2042 if (this_->vehicle == nv && this_->tracking_flag)
2043 tracking=this_->tracking;
2045 tracking_update(tracking, nv->vehicle, this_->vehicleprofile, pro);
2046 attr_object=tracking;
2047 get_attr=(int (*)(void *, enum attr_type, struct attr *, struct attr_iter *))tracking_get_attr;
2049 attr_object=nv->vehicle;
2050 get_attr=(int (*)(void *, enum attr_type, struct attr *, struct attr_iter *))vehicle_get_attr;
2052 if (get_attr(attr_object, attr_position_valid, &attr_valid, NULL))
2053 if (!attr_valid.u.num != attr_position_valid_invalid)
2055 if (! get_attr(attr_object, attr_position_direction, &attr_dir, NULL) ||
2056 ! get_attr(attr_object, attr_position_speed, &attr_speed, NULL) ||
2057 ! get_attr(attr_object, attr_position_coord_geo, &attr_pos, NULL)) {
2058 profile(0,"return 2\n");
2061 nv->dir=*attr_dir.u.numd;
2062 nv->speed=*attr_speed.u.numd;
2063 transform_from_geo(pro, attr_pos.u.coord_geo, &nv->coord);
2064 if (nv != this_->vehicle) {
2065 navit_vehicle_draw(this_, nv, NULL);
2066 profile(0,"return 3\n");
2069 cursor_pc.x = nv->coord.x;
2070 cursor_pc.y = nv->coord.y;
2071 cursor_pc.pro = pro;
2074 route_set_position_from_tracking(this_->route, tracking, pro);
2076 route_set_position(this_->route, &cursor_pc);
2078 callback_list_call_attr_0(this_->attr_cbl, attr_position);
2079 navit_textfile_debug_log(this_, "type=trackpoint_tracked");
2080 if (this_->gui && nv->speed > 2)
2081 gui_disable_suspend(this_->gui);
2083 transform(this_->trans, pro, &nv->coord, &cursor_pnt, 1, 0, 0, NULL);
2084 if (this_->button_pressed != 1 && this_->follow_cursor && nv->follow_curr <= nv->follow &&
2085 (nv->follow_curr == 1 || !transform_within_border(this_->trans, &cursor_pnt, border)))
2086 navit_set_center_cursor(this_);
2088 navit_vehicle_draw(this_, nv, pnt);
2090 if (nv->follow_curr > 1)
2093 nv->follow_curr=nv->follow;
2094 callback_list_call_attr_2(this_->attr_cbl, attr_position_coord_geo, this_, nv->vehicle);
2096 /* Finally, if we reached our destination, stop navigation. */
2097 if (this_->route && route_destination_reached(this_->route)) {
2098 navit_set_destination(this_, NULL, NULL, 0);
2100 profile(0,"return 5\n");
2104 * Set the position of the vehicle
2106 * @param navit The navit instance
2107 * @param c The coordinate to set as position
2112 navit_set_position(struct navit *this_, struct pcoord *c)
2115 route_set_position(this_->route, c);
2116 callback_list_call_attr_0(this_->attr_cbl, attr_position);
2118 if (this_->ready == 3)
2123 navit_set_vehicleprofile(struct navit *this_, char *name)
2127 l=this_->vehicleprofiles;
2129 if (vehicleprofile_get_attr(l->data, attr_name, &attr, NULL)) {
2130 if (!strcmp(attr.u.str, name)) {
2131 this_->vehicleprofile=l->data;
2133 route_set_profile(this_->route, this_->vehicleprofile);
2143 navit_set_vehicle(struct navit *this_, struct navit_vehicle *nv)
2147 if (nv && vehicle_get_attr(nv->vehicle, attr_profilename, &attr, NULL)) {
2148 if (navit_set_vehicleprofile(this_, attr.u.str))
2151 navit_set_vehicleprofile(this_,"car");
2155 * Register a new vehicle
2157 * @param navit The navit instance
2158 * @param v The vehicle instance
2159 * @returns 1 for success
2162 navit_add_vehicle(struct navit *this_, struct vehicle *v)
2164 struct navit_vehicle *nv=g_new0(struct navit_vehicle, 1);
2165 struct attr follow, active, animate;
2170 nv->animate_cursor=0;
2171 if ((vehicle_get_attr(v, attr_follow, &follow, NULL)))
2172 nv->follow=nv->follow=follow.u.num;
2173 nv->follow_curr=nv->follow;
2174 this_->vehicles=g_list_append(this_->vehicles, nv);
2175 if ((vehicle_get_attr(v, attr_active, &active, NULL)) && active.u.num)
2176 navit_set_vehicle(this_, nv);
2177 if ((vehicle_get_attr(v, attr_animate, &animate, NULL)))
2178 nv->animate_cursor=animate.u.num;
2179 nv->callback.type=attr_callback;
2180 nv->callback.u.callback=callback_new_attr_2(callback_cast(navit_vehicle_update), attr_position_coord_geo, this_, nv);
2181 vehicle_add_attr(nv->vehicle, &nv->callback);
2182 vehicle_set_attr(nv->vehicle, &this_->self, NULL);
2190 navit_get_gui(struct navit *this_)
2195 struct transformation *
2196 navit_get_trans(struct navit *this_)
2198 return this_->trans;
2202 navit_get_route(struct navit *this_)
2204 return this_->route;
2208 navit_get_navigation(struct navit *this_)
2210 return this_->navigation;
2213 struct displaylist *
2214 navit_get_displaylist(struct navit *this_)
2216 return this_->displaylist;
2220 navit_block(struct navit *this_, int block)
2223 this_->blocked |= 1;
2224 if (graphics_draw_cancel(this_->gra, this_->displaylist))
2225 this_->blocked |= 2;
2228 if (this_->blocked & 2) {
2238 navit_destroy(struct navit *this_)
2240 /* TODO: destroy objects contained in this_ */
2242 vehicle_destroy(this_->vehicle->vehicle);
2243 main_remove_navit(this_);
2244 char *center_file = navit_get_center_file(TRUE);
2245 navit_write_center_to_file(this_, center_file);
2246 g_free(center_file);
2247 callback_destroy(this_->nav_speech_cb);
2248 callback_destroy(this_->roadbook_callback);
2249 callback_destroy(this_->popup_callback);
2250 callback_destroy(this_->motion_timeout_callback);
2252 graphics_remove_callback(this_->gra, this_->resize_callback);
2253 callback_destroy(this_->resize_callback);
2255 graphics_remove_callback(this_->gra, this_->button_callback);
2256 callback_destroy(this_->button_callback);
2258 graphics_remove_callback(this_->gra, this_->motion_callback);
2259 callback_destroy(this_->motion_callback);