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"
61 #include "navit_nls.h"
64 * @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
68 //! The navit_vehicule
69 struct navit_vehicle {
71 /*! Limit of the follow counter. See navit_add_vehicle */
73 /*! Deprecated : follow counter itself. When it reaches 'update' counts, map is recentered*/
77 struct coord last; /*< Position of the last update of this vehicle */
80 struct cursor *cursor;
81 struct vehicle *vehicle;
91 struct layout *layout_current;
93 struct action *action;
94 struct transformation *trans;
95 struct compass *compass;
97 struct navigation *navigation;
98 struct speech *speech;
99 struct tracking *tracking;
102 struct displaylist *displaylist;
105 int recentdest_count;
106 int osd_configuration;
108 GList *windows_items;
109 struct navit_vehicle *vehicle;
110 struct callback_list *attr_cbl;
111 struct callback *nav_speech_cb, *roadbook_callback, *popup_callback, *route_cb;
112 struct datawindow *roadbook_window;
113 struct map *bookmark;
114 struct map *former_destination;
115 GHashTable *bookmarks_hash;
116 struct point pressed, last, current;
117 int button_pressed,moved,popped,zoomed;
122 struct event_timeout *button_timeout, *motion_timeout;
123 struct callback *motion_timeout_callback;
125 int ignore_graphics_events;
126 struct log *textfile_debug_log;
127 struct pcoord destination;
128 int destination_valid;
133 struct callback *resize_callback,*button_callback,*motion_callback;
136 struct gui *main_loop_gui;
141 struct mapset_handle *mapset_handle;
145 static void navit_vehicle_update(struct navit *this_, struct navit_vehicle *nv);
146 static void navit_vehicle_draw(struct navit *this_, struct navit_vehicle *nv, struct point *pnt);
147 static int navit_add_vehicle(struct navit *this_, struct vehicle *v);
148 static int navit_set_attr_do(struct navit *this_, struct attr *attr, int init);
149 static int navit_get_cursor_pnt(struct navit *this_, struct point *p, int *dir);
150 static void navit_cmd_zoom_to_route(struct navit *this);
151 static void navit_cmd_set_center_cursor(struct navit *this_);
154 navit_add_mapset(struct navit *this_, struct mapset *ms)
156 this_->mapsets = g_list_append(this_->mapsets, ms);
160 navit_get_mapset(struct navit *this_)
163 return this_->mapsets->data;
165 dbg(0,"No mapsets enabled! Is it on purpose? Navit can't draw a map. Please check your navit.xml\n");
171 navit_get_tracking(struct navit *this_)
173 return this_->tracking;
177 navit_draw_async(struct navit *this_, int async)
180 struct navit_vehicle *nv;
182 if (this_->blocked) {
186 transform_setup_source_rect(this_->trans);
190 navit_vehicle_draw(this_, nv, NULL);
193 graphics_draw(this_->gra, this_->displaylist, this_->mapsets, this_->trans, this_->layout_current, async, NULL);
197 navit_draw(struct navit *this_)
199 navit_draw_async(this_, 0);
204 navit_draw_displaylist(struct navit *this_)
206 if (this_->ready == 3)
207 graphics_displaylist_draw(this_->gra, this_->displaylist, this_->trans, this_->layout_current, 1);
211 navit_redraw_route(struct navit *this_, int updated)
213 dbg(1,"enter %d\n", updated);
214 if (this_->ready != 3)
218 if (this_->vehicle) {
219 if (this_->vehicle->follow_curr == 1)
221 if (this_->vehicle->follow_curr <= this_->vehicle->follow)
222 this_->vehicle->follow_curr=this_->vehicle->follow;
228 navit_handle_resize(struct navit *this_, int w, int h)
230 struct map_selection sel;
231 memset(&sel, 0, sizeof(sel));
236 transform_set_screen_selection(this_->trans, &sel);
238 graphics_set_rect(this_->gra, &sel.u.p_rect);
239 if (this_->ready == 3)
244 navit_resize(void *data, int w, int h)
246 struct navit *this=data;
247 if (!this->ignore_graphics_events)
248 navit_handle_resize(this, w, h);
252 navit_get_width(struct navit *this_)
259 navit_get_height(struct navit *this_)
265 navit_popup(void *data)
267 struct navit *this_=data;
268 popup(this_, 1, &this_->pressed);
269 this_->button_timeout=NULL;
275 navit_ignore_button(struct navit *this_)
277 if (this_->ignore_button)
279 this_->ignore_button=1;
284 navit_ignore_graphics_events(struct navit *this_, int ignore)
286 this_->ignore_graphics_events=ignore;
290 update_transformation(struct transformation *tr, struct point *old, struct point *new, struct point *rot)
295 double angleo,anglen;
297 transform_reverse(tr, old, &co);
299 angleo=atan2(old->y-rot->y, old->x-rot->x)*180/M_PI;
300 anglen=atan2(new->y-rot->y, new->x-rot->x)*180/M_PI;
301 yaw=transform_get_yaw(tr)+angleo-anglen;
302 transform_set_yaw(tr, yaw % 360);
304 transform_reverse(tr, new, &cn);
305 cp=transform_get_center(tr);
308 dbg(1,"from 0x%x,0x%x to 0x%x,0x%x\n", cp->x, cp->y, c.x, c.y);
309 transform_set_center(tr, &c);
313 navit_handle_button(struct navit *this_, int pressed, int button, struct point *p, struct callback *popup_callback)
317 callback_list_call_attr_4(this_->attr_cbl, attr_button, this_, (void *)pressed, (void *)button, p);
318 if (this_->ignore_button) {
319 this_->ignore_button=0;
327 this_->button_pressed=1;
331 this_->button_timeout=event_add_timeout(500, 0, popup_callback);
334 navit_set_center_screen(this_, p);
336 popup(this_, button, p);
337 if (button == 4 && this_->use_mousewheel) {
339 navit_zoom_in(this_, 2, p);
341 if (button == 5 && this_->use_mousewheel) {
343 navit_zoom_out(this_, 2, p);
347 follow.type=attr_follow;
348 follow.u.num=this_->center_timeout;
350 this_->button_pressed=0;
351 if (this_->button_timeout) {
352 event_remove_timeout(this_->button_timeout);
353 this_->button_timeout=NULL;
354 if (! this_->moved && ! transform_within_border(this_->trans, p, border)) {
356 navit_set_attr(this_, &follow);
357 navit_set_center_screen(this_, p);
360 if (this_->motion_timeout) {
361 event_remove_timeout(this_->motion_timeout);
362 this_->motion_timeout=NULL;
369 update_transformation(this_->trans, &this_->pressed, p, &pr);
371 update_transformation(this_->trans, &this_->pressed, p, NULL);
373 graphics_draw_drag(this_->gra, NULL);
374 graphics_overlay_disable(this_->gra, 0);
376 navit_set_attr(this_, &follow);
385 navit_button(void *data, int pressed, int button, struct point *p)
387 struct navit *this=data;
388 if (!this->ignore_graphics_events) {
389 if (! this->popup_callback)
390 this->popup_callback=callback_new_1(callback_cast(navit_popup), this);
391 navit_handle_button(this, pressed, button, p, this->popup_callback);
397 navit_motion_timeout(struct navit *this_)
401 if (this_->drag_bitmap) {
403 point.x=(this_->current.x-this_->pressed.x);
404 point.y=(this_->current.y-this_->pressed.y);
405 if (graphics_draw_drag(this_->gra, &point)) {
406 graphics_overlay_disable(this_->gra, 1);
407 graphics_draw_mode(this_->gra, draw_mode_end);
409 this_->motion_timeout=NULL;
413 dx=(this_->current.x-this_->last.x);
414 dy=(this_->current.y-this_->last.y);
416 struct transformation *tr;
418 this_->last=this_->current;
419 graphics_overlay_disable(this_->gra, 1);
420 tr=transform_dup(this_->trans);
424 update_transformation(tr, &this_->pressed, &this_->current, &pr);
426 update_transformation(tr, &this_->pressed, &this_->current, NULL);
429 graphics_displaylist_move(this_->displaylist, dx, dy);
431 graphics_displaylist_draw(this_->gra, this_->displaylist, tr, this_->layout_current, 0);
432 transform_destroy(tr);
435 this_->motion_timeout=NULL;
440 navit_handle_motion(struct navit *this_, struct point *p)
444 if (this_->button_pressed && !this_->popped) {
445 dx=(p->x-this_->pressed.x);
446 dy=(p->y-this_->pressed.y);
447 if (dx < -8 || dx > 8 || dy < -8 || dy > 8) {
448 if (this_->button_timeout) {
449 event_remove_timeout(this_->button_timeout);
450 this_->button_timeout=NULL;
453 if (! this_->motion_timeout_callback)
454 this_->motion_timeout_callback=callback_new_1(callback_cast(navit_motion_timeout), this_);
455 if (! this_->motion_timeout)
456 this_->motion_timeout=event_add_timeout(100, 0, this_->motion_timeout_callback);
462 navit_motion(void *data, struct point *p)
464 struct navit *this=data;
465 if (!this->ignore_graphics_events)
466 navit_handle_motion(this, p);
470 navit_scale(struct navit *this_, long scale, struct point *p, int draw)
472 struct coord c1, c2, *center;
474 transform_reverse(this_->trans, p, &c1);
475 transform_set_scale(this_->trans, scale);
477 transform_reverse(this_->trans, p, &c2);
478 center = transform_center(this_->trans);
479 center->x += c1.x - c2.x;
480 center->y += c1.y - c2.y;
487 * @brief Automatically adjusts zoom level
489 * This function automatically adjusts the current
490 * zoom level according to the current speed.
492 * @param this_ The navit struct
493 * @param center The "immovable" point - i.e. the vehicles position if we're centering on the vehicle
494 * @param speed The vehicles speed in meters per second
495 * @param dir The direction into which the vehicle moves
498 navit_autozoom(struct navit *this_, struct coord *center, int speed, int draw)
506 if (! this_->autozoom_active) {
510 distance = speed * this_->autozoom_secs;
512 transform_get_size(this_->trans, &w, &h);
513 transform(this_->trans, transform_get_projection(this_->trans), center, &pc, 1, 0, 0, NULL);
514 scale = transform_get_scale(this_->trans);
516 /* We make shure that the point we want to see is within a certain range
517 * around the vehicle. The radius of this circle is the size of the
518 * screen. This doesn't necessarily mean the point is visible because of
519 * perspective etc. Quite rough, but should be enough. */
522 new_scale = (double)distance / h * 16;
524 new_scale = (double)distance / w * 16;
527 if (abs(new_scale - scale) < 2) {
531 if (new_scale >= this_->autozoom_min) {
532 navit_scale(this_, (long)new_scale, &pc, 0);
534 if (scale != this_->autozoom_min) {
535 navit_scale(this_, this_->autozoom_min, &pc, 0);
541 * Change the current zoom level, zooming closer to the ground
543 * @param navit The navit instance
544 * @param factor The zoom factor, usually 2
545 * @param p The invariant point (if set to NULL, default to center)
549 navit_zoom_in(struct navit *this_, int factor, struct point *p)
551 long scale=transform_get_scale(this_->trans)/factor;
554 navit_scale(this_, scale, p, 1);
558 * Change the current zoom level
560 * @param navit The navit instance
561 * @param factor The zoom factor, usually 2
562 * @param p The invariant point (if set to NULL, default to center)
566 navit_zoom_out(struct navit *this_, int factor, struct point *p)
568 long scale=transform_get_scale(this_->trans)*factor;
569 navit_scale(this_, scale, p, 1);
573 navit_cmd_zoom_in(struct navit *this_)
576 if (this_->vehicle && this_->vehicle->follow_curr == 1 && navit_get_cursor_pnt(this_, &p, NULL)) {
577 navit_zoom_in(this_, 2, &p);
578 this_->vehicle->follow_curr=this_->vehicle->follow;
580 navit_zoom_in(this_, 2, NULL);
585 navit_cmd_zoom_out(struct navit *this_)
588 if (this_->vehicle && this_->vehicle->follow_curr == 1 && navit_get_cursor_pnt(this_, &p, NULL)) {
589 navit_zoom_out(this_, 2, &p);
590 this_->vehicle->follow_curr=this_->vehicle->follow;
592 navit_zoom_out(this_, 2, NULL);
596 static struct command_table commands[] = {
597 {"zoom_in",navit_cmd_zoom_in},
598 {"zoom_out",navit_cmd_zoom_out},
599 {"zoom_to_route",navit_cmd_zoom_to_route},
600 {"set_center_cursor",navit_cmd_set_center_cursor},
605 navit_new(struct attr *parent, struct attr **attrs)
607 struct navit *this_=g_new0(struct navit, 1);
608 struct pcoord center;
611 enum projection pro=projection_mg;
616 this_->self.type=attr_navit;
617 this_->self.u.navit=this_;
618 this_->attr_cbl=callback_list_new();
619 main_add_navit(this_);
621 this_->bookmarks_hash=g_hash_table_new_full(g_str_hash, g_str_equal, g_free, NULL);
623 this_->orientation=-1;
624 this_->tracking_flag=1;
625 this_->recentdest_count=10;
626 this_->osd_configuration=-1;
628 this_->center_timeout = 10;
629 this_->use_mousewheel = 1;
630 this_->autozoom_secs = 10;
631 this_->autozoom_min = 7;
632 this_->autozoom_active = 0;
634 this_->trans = transform_new();
635 transform_from_geo(pro, &g, &co);
640 transform_setup(this_->trans, ¢er, zoom, (this_->orientation != -1) ? this_->orientation : 0);
641 for (;*attrs; attrs++) {
642 navit_set_attr_do(this_, *attrs, 1);
644 this_->displaylist=graphics_displaylist_new();
645 command_add_table(this_->attr_cbl, commands, sizeof(commands)/sizeof(struct command_table), this_);
650 navit_set_gui(struct navit *this_, struct gui *gui)
655 if (gui_has_main_loop(this_->gui)) {
656 if (! main_loop_gui) {
657 main_loop_gui=this_->gui;
659 dbg(0,"gui with main loop already active, ignoring this instance");
667 navit_set_graphics(struct navit *this_, struct graphics *gra)
672 this_->resize_callback=callback_new_attr_1(callback_cast(navit_resize), attr_resize, this_);
673 graphics_add_callback(gra, this_->resize_callback);
674 this_->button_callback=callback_new_attr_1(callback_cast(navit_button), attr_button, this_);
675 graphics_add_callback(gra, this_->button_callback);
676 this_->motion_callback=callback_new_attr_1(callback_cast(navit_motion), attr_motion, this_);
677 graphics_add_callback(gra, this_->motion_callback);
682 navit_get_graphics(struct navit *this_)
688 navit_projection_set(struct navit *this_, enum projection pro)
693 c=transform_center(this_->trans);
694 transform_to_geo(transform_get_projection(this_->trans), c, &g);
695 transform_set_projection(this_->trans, pro);
696 transform_from_geo(pro, &g, c);
701 * @param limit Limits the number of entries in the "backlog". Set to 0 for "infinite"
704 navit_append_coord(struct navit *this_, char *file, struct pcoord *c, const char *type, const char *description, GHashTable *h, int limit)
719 while ((ch = fgetc(f)) != EOF) {
720 if ((ch == '\n') && (prev != '\n')) {
726 if (prev != '\n') { // Last line did not end with a newline
731 f = fopen(file, "r+");
733 while (lines >= limit) { // We have to "scroll up"
735 numc = 0; // Counts how many bytes we have in our line to scroll up
736 while ((ch = fgetc(f)) != EOF) {
743 buffer=g_malloc(numc);
744 offset = numc; // Offset holds where we currently are
747 fseek(f,offset,SEEK_SET);
748 readc = fread(buffer,1,numc,f);
750 fseek(f,-(numc+readc),SEEK_CUR);
751 fwrite(buffer,1,readc,f);
754 } while (readc == numc);
758 ftruncate(fd,(offset-numc));
772 prostr = projection_to_name(c->pro);
773 fprintf(f,"%s%s%s0x%x %s0x%x type=%s label=\"%s\"\n",
774 prostr, *prostr ? ":" : "",
775 c->x >= 0 ? "":"-", c->x >= 0 ? c->x : -c->x,
776 c->y >= 0 ? "":"-", c->y >= 0 ? c->y : -c->y,
785 * navit_get_user_data_directory
787 * returns the directory used to store user data files (center.txt,
788 * destination.txt, bookmark.txt, ...)
790 * arg: gboolean create: create the directory if it does not exist
793 navit_get_user_data_directory(gboolean create) {
795 dir = getenv("NAVIT_USER_DATADIR");
796 if (create && !file_exists(dir)) {
797 dbg(0,"creating dir %s\n", dir);
798 if (file_mkdir(dir,0)) {
799 dbg(0,"failed creating dir %s\n", dir);
808 * navit_get_destination_file
810 * returns the name of the file used to store destinations with its
813 * arg: gboolean create: create the directory where the file is stored
814 * if it does not exist
817 navit_get_destination_file(gboolean create)
819 return g_strjoin(NULL, navit_get_user_data_directory(create), "/destination.txt", NULL);
823 * navit_get_bookmark_file
825 * returns the name of the file used to store bookmarks with its
828 * arg: gboolean create: create the directory where the file is stored
829 * if it does not exist
832 navit_get_bookmark_file(gboolean create)
834 return g_strjoin(NULL, navit_get_user_data_directory(create), "/bookmark.txt", NULL);
839 * navit_get_bookmark_file
841 * returns the name of the file used to store the center file with its
844 * arg: gboolean create: create the directory where the file is stored
845 * if it does not exist
848 navit_get_center_file(gboolean create)
850 return g_strjoin(NULL, navit_get_user_data_directory(create), "/center.txt", NULL);
854 navit_set_center_from_file(struct navit *this_, char *file)
859 size_t line_size = 0;
861 struct coord *center;
863 f = fopen(file, "r");
866 getline(&line, &line_size, f);
869 center = transform_center(this_->trans);
870 pro = transform_get_projection(this_->trans);
871 coord_parse(g_strchomp(line), pro, center);
878 navit_write_center_to_file(struct navit *this_, char *file)
882 struct coord *center;
884 f = fopen(file, "w+");
886 center = transform_center(this_->trans);
887 pro = transform_get_projection(this_->trans);
888 coord_print(pro, center, f);
898 * Start the route computing to a given set of coordinates
900 * @param navit The navit instance
901 * @param c The coordinate to start routing to
902 * @param description A label which allows the user to later identify this destination in the former destinations selection
906 navit_set_destination(struct navit *this_, struct pcoord *c, const char *description)
909 this_->destination=*c;
910 this_->destination_valid=1;
912 this_->destination_valid=0;
913 char *destination_file = navit_get_destination_file(TRUE);
914 navit_append_coord(this_, destination_file, c, "former_destination", description, NULL, this_->recentdest_count);
915 g_free(destination_file);
916 callback_list_call_attr_0(this_->attr_cbl, attr_destination);
918 route_set_destination(this_->route, c);
920 if (this_->ready == 3)
926 * @brief Checks if a route is calculated
928 * This function checks if a route is calculated.
930 * @param this_ The navit struct whose route should be checked.
931 * @return True if the route is set, false otherwise.
934 navit_check_route(struct navit *this_)
937 return route_get_path_set(this_->route);
944 * Record the given set of coordinates as a bookmark
946 * @param navit The navit instance
947 * @param c The coordinate to store
948 * @param description A label which allows the user to later identify this bookmark
952 navit_add_bookmark(struct navit *this_, struct pcoord *c, const char *description)
954 char *bookmark_file = navit_get_bookmark_file(TRUE);
955 navit_append_coord(this_,bookmark_file, c, "bookmark", description, this_->bookmarks_hash,0);
956 g_free(bookmark_file);
958 callback_list_call_attr_0(this_->attr_cbl, attr_bookmark_map);
961 struct navit *global_navit;
964 navit_add_bookmarks_from_file(struct navit *this_)
966 char *bookmark_file = navit_get_bookmark_file(FALSE);
967 struct attr parent={attr_navit, .u.navit=this_};
968 struct attr type={attr_type, {"textfile"}}, data={attr_data, {bookmark_file}};
969 struct attr *attrs[]={&type, &data, NULL};
971 this_->bookmark=map_new(&parent, attrs);
972 g_free(bookmark_file);
976 navit_former_destinations_active(struct navit *this_)
978 char *destination_file = navit_get_destination_file(FALSE);
982 f=fopen(destination_file,"r");
984 if(!fseek(f, -2, SEEK_END) && fread(buffer, 2, 1, f) == 1 && (buffer[0]!='\n' || buffer[1]!='\n'))
988 g_free(destination_file);
993 navit_add_former_destinations_from_file(struct navit *this_)
995 char *destination_file = navit_get_destination_file(FALSE);
996 struct attr parent={attr_navit, .u.navit=this_};
997 struct attr type={attr_type, {"textfile"}}, data={attr_data, {destination_file}};
998 struct attr *attrs[]={&type, &data, NULL};
1005 this_->former_destination=map_new(&parent, attrs);
1006 g_free(destination_file);
1007 if (!this_->route || !navit_former_destinations_active(this_))
1009 mr=map_rect_new(this_->former_destination, NULL);
1010 while ((item=map_rect_get_item(mr))) {
1011 if (item->type == type_former_destination && item_coord_get(item, &c, 1))
1014 map_rect_destroy(mr);
1015 pc.pro=map_projection(this_->former_destination);
1019 route_set_destination(this_->route, &pc);
1020 this_->destination=pc;
1021 this_->destination_valid=1;
1027 navit_textfile_debug_log(struct navit *this_, const char *fmt, ...)
1032 if (this_->textfile_debug_log && this_->vehicle) {
1033 str1=g_strdup_vprintf(fmt, ap);
1034 str2=g_strdup_printf("0x%x 0x%x%s%s\n", this_->vehicle->coord.x, this_->vehicle->coord.y, strlen(str1) ? " " : "", str1);
1035 log_write(this_->textfile_debug_log, str2, strlen(str2));
1043 navit_speech_estimate(struct navit *this_, char *str)
1045 return speech_estimate_duration(this_->speech, str);
1049 navit_say(struct navit *this_, char *text)
1051 speech_say(this_->speech, text);
1055 * @brief Toggles the navigation announcer for navit
1056 * @param this_ The navit object
1059 navit_announcer_toggle(struct navit *this_)
1061 struct attr attr, speechattr;
1063 // search for the speech attribute
1064 if(!navit_get_attr(this_, attr_speech, &speechattr, NULL))
1066 // find out if the corresponding attribute attr_active has been set
1067 if(speech_get_attr(speechattr.u.speech, attr_active, &attr, NULL)) {
1069 attr.u.num = !attr.u.num;
1071 // otherwise disable it because voice is enabled by default
1072 attr.type = attr_active;
1076 // apply the new state
1077 if(!speech_set_attr(speechattr.u.speech, &attr))
1080 // announce that the speech attribute has changed
1081 callback_list_call_attr_0(this_->attr_cbl, attr_speech);
1085 navit_speak(struct navit *this_)
1087 struct navigation *nav=this_->navigation;
1088 struct map *map=NULL;
1089 struct map_rect *mr=NULL;
1093 if (!speech_get_attr(this_->speech, attr_active, &attr, NULL))
1095 dbg(1, "this_.speech->active %i\n", attr.u.num);
1100 map=navigation_get_map(nav);
1102 mr=map_rect_new(map, NULL);
1104 while ((item=map_rect_get_item(mr)) && (item->type == type_nav_position || item->type == type_nav_none));
1105 if (item && item_attr_get(item, attr_navigation_speech, &attr)) {
1106 speech_say(this_->speech, attr.u.str);
1107 navit_textfile_debug_log(this_, "type=announcement label=\"%s\"", attr.u.str);
1109 map_rect_destroy(mr);
1114 navit_window_roadbook_update(struct navit *this_)
1116 struct navigation *nav=this_->navigation;
1117 struct map *map=NULL;
1118 struct map_rect *mr=NULL;
1121 struct param_list param[5];
1125 datawindow_mode(this_->roadbook_window, 1);
1127 map=navigation_get_map(nav);
1129 mr=map_rect_new(map, NULL);
1130 dbg(0,"nav=%p map=%p mr=%p\n", nav, map, mr);
1132 dbg(0,"while loop\n");
1133 while ((item=map_rect_get_item(mr))) {
1134 dbg(0,"item=%p\n", item);
1136 if (item->type != type_nav_position) {
1137 item_attr_get(item, attr_navigation_long, &attr);
1138 dbg(2, "Command='%s'\n", attr.u.str);
1139 param[0].value=g_strdup(attr.u.str);
1141 param[0].value=_("Position");
1142 param[0].name=_("Command");
1144 item_attr_get(item, attr_length, &attr);
1145 dbg(2, "Length=%d\n", attr.u.num);
1146 param[1].name=_("Length");
1148 if ( attr.u.num >= 2000 )
1150 param[1].value=g_strdup_printf("%5.1f %s",(float)attr.u.num / 1000, _("km") );
1154 param[1].value=g_strdup_printf("%7d %s",attr.u.num, _("m"));
1157 item_attr_get(item, attr_time, &attr);
1158 dbg(2, "Time=%d\n", attr.u.num);
1160 param[2].name=_("Time");
1163 param[2].value=g_strdup_printf("%d:%02d:%02d",secs / 60, ( secs / 60 ) % 60 , secs % 60);
1167 param[2].value=g_strdup_printf("%d:%02d",secs / 60, secs % 60);
1170 item_attr_get(item, attr_destination_length, &attr);
1171 dbg(2, "Destlength=%d\n", attr.u.num);
1172 param[3].name=_("Destination Length");
1173 if ( attr.u.num >= 2000 )
1175 param[3].value=g_strdup_printf("%5.1f %s",(float)attr.u.num / 1000, _("km") );
1179 param[3].value=g_strdup_printf("%d %s",attr.u.num, _("m"));
1182 item_attr_get(item, attr_destination_time, &attr);
1183 dbg(2, "Desttime=%d\n", attr.u.num);
1185 param[4].name=_("Destination Time");
1188 param[4].value=g_strdup_printf("%d:%02d:%02d",secs / 3600, (secs / 60 ) % 60 , secs % 60);
1192 param[4].value=g_strdup_printf("%d:%02d",secs / 60, secs % 60);
1194 datawindow_add(this_->roadbook_window, param, 5);
1196 map_rect_destroy(mr);
1198 datawindow_mode(this_->roadbook_window, 0);
1202 navit_window_roadbook_destroy(struct navit *this_)
1205 navigation_unregister_callback(this_->navigation, attr_navigation_long, this_->roadbook_callback);
1206 this_->roadbook_window=NULL;
1207 this_->roadbook_callback=NULL;
1210 navit_window_roadbook_new(struct navit *this_)
1212 if (this_->roadbook_callback || this_->roadbook_window) {
1216 this_->roadbook_callback=callback_new_1(callback_cast(navit_window_roadbook_update), this_);
1217 navigation_register_callback(this_->navigation, attr_navigation_long, this_->roadbook_callback);
1218 this_->roadbook_window=gui_datawindow_new(this_->gui, _("Roadbook"), NULL, callback_new_1(callback_cast(navit_window_roadbook_destroy), this_));
1219 navit_window_roadbook_update(this_);
1223 navit_init(struct navit *this_)
1230 navit_destroy(this_);
1234 dbg(0,"no graphics\n");
1235 navit_destroy(this_);
1238 if (gui_set_graphics(this_->gui, this_->gra)) {
1239 struct attr attr_type_gui, attr_type_graphics;
1240 gui_get_attr(this_->gui, attr_type, &attr_type_gui, NULL);
1241 graphics_get_attr(this_->gra, attr_type, &attr_type_graphics, NULL);
1242 dbg(0,"failed to connect graphics '%s' to gui '%s'\n", attr_type_graphics.u.str, attr_type_gui.u.str);
1243 dbg(0," Please see http://wiki.navit-project.org/index.php/Failed_to_connect_graphics_to_gui\n");
1244 dbg(0," for explanations and solutions\n");
1246 navit_destroy(this_);
1249 graphics_init(this_->gra);
1250 if (this_->mapsets) {
1251 ms=this_->mapsets->data;
1253 if ((map=route_get_map(this_->route)))
1254 mapset_add_attr(ms, &(struct attr){attr_map,.u.map=map});
1255 if ((map=route_get_graph_map(this_->route))) {
1256 mapset_add_attr(ms, &(struct attr){attr_map,.u.map=map});
1257 map_set_attr(map, &(struct attr ){attr_active,.u.num=0});
1259 route_set_mapset(this_->route, ms);
1260 route_set_projection(this_->route, transform_get_projection(this_->trans));
1262 if (this_->tracking) {
1263 tracking_set_mapset(this_->tracking, ms);
1265 tracking_set_route(this_->tracking, this_->route);
1267 if (this_->navigation) {
1268 if ((map=navigation_get_map(this_->navigation))) {
1269 mapset_add_attr(ms, &(struct attr){attr_map,.u.map=map});
1270 map_set_attr(map, &(struct attr ){attr_active,.u.num=0});
1273 if (this_->tracking) {
1274 if ((map=tracking_get_map(this_->tracking))) {
1275 mapset_add_attr(ms, &(struct attr){attr_map,.u.map=map});
1276 map_set_attr(map, &(struct attr ){attr_active,.u.num=0});
1279 navit_add_bookmarks_from_file(this_);
1280 navit_add_former_destinations_from_file(this_);
1283 this_->route_cb=callback_new_attr_1(callback_cast(navit_redraw_route), attr_route, this_);
1284 route_add_callback(this_->route, this_->route_cb);
1286 if (this_->navigation) {
1287 if (this_->speech) {
1288 this_->nav_speech_cb=callback_new_1(callback_cast(navit_speak), this_);
1289 navigation_register_callback(this_->navigation, attr_navigation_speech, this_->nav_speech_cb);
1292 navigation_set_route(this_->navigation, this_->route);
1294 char *center_file = navit_get_center_file(FALSE);
1295 navit_set_center_from_file(this_, center_file);
1296 g_free(center_file);
1298 if (this_->menubar) {
1299 men=menu_add(this_->menubar, "Data", menu_type_submenu, NULL);
1301 navit_add_menu_windows_items(this_, men);
1307 navit_window_roadbook_new(this_);
1308 navit_window_items_new(this_);
1310 callback_list_call_attr_1(this_->attr_cbl, attr_navit, this_);
1312 if (this_->ready == 3)
1317 navit_zoom_to_route(struct navit *this_, int orientation)
1320 struct map_rect *mr=NULL;
1323 struct coord_rect r;
1324 int count=0,scale=16;
1328 map=route_get_map(this_->route);
1329 dbg(1,"map=%p\n",map);
1331 mr=map_rect_new(map, NULL);
1332 dbg(1,"mr=%p\n",mr);
1334 while ((item=map_rect_get_item(mr))) {
1335 dbg(1,"item=%s\n", item_to_name(item->type));
1336 while (item_coord_get(item, &c, 1)) {
1341 coord_rect_extend(&r, &c);
1348 c.x=(r.rl.x+r.lu.x)/2;
1349 c.y=(r.rl.y+r.lu.y)/2;
1350 dbg(1,"count=%d\n",count);
1351 if (orientation != -1)
1352 transform_set_yaw(this_->trans, orientation);
1353 transform_set_center(this_->trans, &c);
1354 dbg(1,"%x,%x-%x,%x\n", r.rl.x,r.rl.y,r.lu.x,r.lu.y);
1355 while (scale < 1<<20) {
1357 transform_set_scale(this_->trans, scale);
1358 transform_setup_source_rect(this_->trans);
1359 transform(this_->trans, transform_get_projection(this_->trans), &r.lu, &p1, 1, 0, 0, NULL);
1360 transform(this_->trans, transform_get_projection(this_->trans), &r.rl, &p2, 1, 0, 0, NULL);
1361 dbg(1,"%d,%d-%d,%d\n",p1.x,p1.y,p2.x,p2.y);
1362 if (p1.x < 0 || p2.x < 0 || p1.x > this_->w || p2.x > this_->w ||
1363 p1.y < 0 || p2.y < 0 || p1.y > this_->h || p2.y > this_->h)
1369 if (this_->ready == 3)
1370 navit_draw_async(this_,0);
1374 navit_cmd_zoom_to_route(struct navit *this)
1376 navit_zoom_to_route(this, 0);
1380 * Change the current zoom level
1382 * @param navit The navit instance
1383 * @param center The point where to center the map, including its projection
1387 navit_set_center(struct navit *this_, struct pcoord *center)
1389 struct coord *c=transform_center(this_->trans);
1391 enum projection pro = transform_get_projection(this_->trans);
1392 if (pro != center->pro) {
1395 transform_from_to(&c1, center->pro, &c2, pro);
1401 if (this_->ready == 3)
1406 navit_set_center_coord_screen(struct navit *this_, struct coord *c, struct point *p)
1410 transform_set_center(this_->trans, c);
1411 transform_get_size(this_->trans, &width, &height);
1414 update_transformation(this_->trans, &po, p, NULL);
1418 navit_get_cursor_pnt(struct navit *this_, struct point *p, int *dir)
1421 struct navit_vehicle *nv=this_->vehicle;
1422 transform_get_size(this_->trans, &width, &height);
1423 if (this_->orientation == -1) {
1429 int mdir=nv->dir-this_->orientation;
1430 p->x=(50 - 30.*sin(M_PI*mdir/180.))*width/100;
1431 p->y=(50 + 30.*cos(M_PI*mdir/180.))*height/100;
1433 *dir=this_->orientation;
1439 navit_set_center_cursor(struct navit *this_)
1443 struct navit_vehicle *nv=this_->vehicle;
1444 navit_get_cursor_pnt(this_, &pn, &dir);
1445 transform_set_yaw(this_->trans, dir);
1446 navit_set_center_coord_screen(this_, &nv->coord, &pn);
1447 navit_autozoom(this_, &nv->coord, nv->speed, 0);
1448 if (this_->ready == 3)
1449 navit_draw_async(this_, 1);
1453 navit_cmd_set_center_cursor(struct navit *this_)
1455 navit_set_center_cursor(this_);
1459 navit_set_center_screen(struct navit *this_, struct point *p)
1463 transform_reverse(this_->trans, p, &c);
1466 pc.pro = transform_get_projection(this_->trans);
1467 navit_set_center(this_, &pc);
1471 switch((*attrs)->type) {
1473 zoom=(*attrs)->u.num;
1476 g=*((*attrs)->u.coord_geo);
1481 navit_set_attr_do(struct navit *this_, struct attr *attr, int init)
1483 int dir=0, orient_old=0, attr_updated=0;
1487 switch (attr->type) {
1489 attr_updated=(this_->autozoom_secs != attr->u.num);
1490 this_->autozoom_secs = attr->u.num;
1492 case attr_autozoom_active:
1493 attr_updated=(this_->autozoom_active != attr->u.num);
1494 this_->autozoom_active = attr->u.num;
1497 transform_from_geo(transform_get_projection(this_->trans), attr->u.coord_geo, &co);
1498 dbg(0,"0x%x,0x%x\n",co.x,co.y);
1499 transform_set_center(this_->trans, &co);
1501 case attr_drag_bitmap:
1502 attr_updated=(this_->drag_bitmap != !!attr->u.num);
1503 this_->drag_bitmap=!!attr->u.num;
1506 if (!this_->vehicle)
1508 attr_updated=(this_->vehicle->follow_curr != attr->u.num);
1509 this_->vehicle->follow_curr = attr->u.num;
1512 if(this_->layout_current!=attr->u.layout) {
1513 this_->layout_current=attr->u.layout;
1514 graphics_font_destroy_all(this_->gra);
1519 case attr_orientation:
1520 orient_old=this_->orientation;
1521 this_->orientation=attr->u.num;
1523 if (this_->orientation != -1) {
1524 dir = this_->orientation;
1526 if (this_->vehicle) {
1527 dir = this_->vehicle->dir;
1530 transform_set_yaw(this_->trans, dir);
1531 if (orient_old != this_->orientation) {
1532 if (this_->ready == 3)
1538 case attr_osd_configuration:
1539 dbg(0,"setting osd_configuration to %d (was %d)\n", attr->u.num, this_->osd_configuration);
1540 attr_updated=(this_->osd_configuration != attr->u.num);
1541 this_->osd_configuration=attr->u.num;
1543 case attr_projection:
1544 if(this_->trans && transform_get_projection(this_->trans) != attr->u.projection) {
1545 navit_projection_set(this_, attr->u.projection);
1549 case attr_recent_dest:
1550 attr_updated=(this_->recentdest_count != attr->u.num);
1551 this_->recentdest_count=attr->u.num;
1554 if(this_->speech && this_->speech != attr->u.speech) {
1556 this_->speech = attr->u.speech;
1560 attr_updated=(this_->center_timeout != attr->u.num);
1561 this_->center_timeout = attr->u.num;
1564 attr_updated=(this_->tracking_flag != !!attr->u.num);
1565 this_->tracking_flag=!!attr->u.num;
1567 case attr_use_mousewheel:
1568 attr_updated=(this_->use_mousewheel != !!attr->u.num);
1569 this_->use_mousewheel=!!attr->u.num;
1572 if (!this_->vehicle || this_->vehicle->vehicle != attr->u.vehicle) {
1574 struct navit_vehicle *nv;
1575 struct attr active=(struct attr){attr_active,{(void *)0}};
1579 if (nv->vehicle == attr->u.vehicle) {
1581 vehicle_set_attr(this_->vehicle->vehicle, &active, NULL);
1583 vehicle_set_attr(nv->vehicle, &active, NULL);
1592 zoom=transform_get_scale(this_->trans);
1593 attr_updated=(zoom != attr->u.num);
1594 transform_set_scale(this_->trans, attr->u.num);
1595 if (attr_updated && !init)
1601 if (attr_updated && !init) {
1602 callback_list_call_attr_2(this_->attr_cbl, attr->type, this_, attr);
1603 if (attr->type == attr_osd_configuration)
1604 graphics_draw_mode(this_->gra, draw_mode_end);
1610 navit_set_attr(struct navit *this_, struct attr *attr)
1612 return navit_set_attr_do(this_, attr, 0);
1616 navit_get_attr(struct navit *this_, enum attr_type type, struct attr *attr, struct attr_iter *iter)
1619 case attr_bookmark_map:
1620 attr->u.map=this_->bookmark;
1622 case attr_callback_list:
1623 attr->u.callback_list=this_->attr_cbl;
1625 case attr_destination:
1626 if (! this_->destination_valid)
1628 attr->u.pcoord=&this_->destination;
1630 case attr_former_destination_map:
1631 attr->u.map=this_->former_destination;
1634 attr->u.gui=this_->gui;
1639 iter->u.list=g_list_next(iter->u.list);
1641 iter->u.list=this_->layouts;
1645 attr->u.layout=(struct layout *)iter->u.list->data;
1647 attr->u.layout=this_->layout_current;
1651 if (iter && this_->mapsets) {
1652 if (!iter->u.mapset_handle) {
1653 iter->u.mapset_handle=mapset_open((struct mapset *)this_->mapsets->data);
1655 attr->u.map=mapset_next(iter->u.mapset_handle, 0);
1657 mapset_close(iter->u.mapset_handle);
1664 case attr_navigation:
1665 attr->u.navigation=this_->navigation;
1667 case attr_orientation:
1668 attr->u.num=this_->orientation;
1670 case attr_osd_configuration:
1671 attr->u.num=this_->osd_configuration;
1673 case attr_projection:
1675 attr->u.num=transform_get_projection(this_->trans);
1681 attr->u.route=this_->route;
1684 attr->u.speech=this_->speech;
1687 attr->u.num=this_->tracking_flag;
1692 iter->u.list=g_list_next(iter->u.list);
1694 iter->u.list=this_->vehicles;
1698 attr->u.vehicle=((struct navit_vehicle*)iter->u.list->data)->vehicle;
1700 if(this_->vehicle) {
1701 attr->u.vehicle=this_->vehicle->vehicle;
1708 attr->u.num=transform_get_scale(this_->trans);
1710 case attr_autozoom_active:
1711 attr->u.num=this_->autozoom_active;
1721 navit_add_log(struct navit *this_, struct log *log)
1723 struct attr type_attr;
1724 if (!log_get_attr(log, attr_type, &type_attr, NULL))
1726 if (!strcmp(type_attr.u.str, "textfile_debug")) {
1727 char *header = "type=track_tracked\n";
1728 if (this_->textfile_debug_log)
1730 log_set_header(log, header, strlen(header));
1731 this_->textfile_debug_log=log;
1738 navit_add_attr(struct navit *this_, struct attr *attr)
1741 switch (attr->type) {
1743 ret=navit_add_log(this_, attr->u.log);
1746 ret=navit_set_gui(this_, attr->u.gui);
1749 ret=navit_set_graphics(this_, attr->u.graphics);
1752 this_->layouts = g_list_append(this_->layouts, attr->u.layout);
1753 if(!this_->layout_current)
1754 this_->layout_current=attr->u.layout;
1758 this_->route=attr->u.route;
1761 this_->mapsets = g_list_append(this_->mapsets, attr->u.mapset);
1763 case attr_navigation:
1764 this_->navigation=attr->u.navigation;
1766 case attr_recent_dest:
1767 this_->recentdest_count = attr->u.num;
1770 this_->speech=attr->u.speech;
1773 this_->tracking=attr->u.tracking;
1776 ret=navit_add_vehicle(this_, attr->u.vehicle);
1778 case attr_autozoom_min:
1779 this_->autozoom_min = attr->u.num;
1784 callback_list_call_attr_2(this_->attr_cbl, attr->type, this_, attr);
1789 navit_attr_iter_new()
1791 return g_new0(struct attr_iter, 1);
1795 navit_attr_iter_destroy(struct attr_iter *iter)
1801 navit_add_callback(struct navit *this_, struct callback *cb)
1803 callback_list_add(this_->attr_cbl, cb);
1807 navit_remove_callback(struct navit *this_, struct callback *cb)
1809 callback_list_remove(this_->attr_cbl, cb);
1813 * Toggle the cursor update : refresh the map each time the cursor has moved (instead of only when it reaches a border)
1815 * @param navit The navit instance
1820 navit_vehicle_draw(struct navit *this_, struct navit_vehicle *nv, struct point *pnt)
1822 struct point cursor_pnt;
1823 enum projection pro;
1828 if (! vehicle_get_attr(nv->vehicle, attr_cursor, &cursor, NULL))
1830 if (! cursor.u.cursor)
1835 pro=transform_get_projection(this_->trans);
1836 transform(this_->trans, pro, &nv->coord, &cursor_pnt, 1, 0, 0, NULL);
1838 cursor_draw(cursor.u.cursor, this_->gra, &cursor_pnt, pnt ? 0:1, nv->dir-transform_get_yaw(this_->trans), nv->speed);
1843 pro=transform_get_projection(this_->trans);
1844 transform(this_->trans, pro, &nv->coord, &pnt2, 1);
1847 cursor_draw(nv->cursor, &pnt2, nv->dir-transform_get_angle(this_->trans, 0), nv->speed > 2, pnt == NULL);
1849 cursor_draw(nv->cursor, &pnt2, nv->dir-transform_get_angle(this_->trans, 0), nv->speed > 2, 1);
1855 navit_vehicle_update(struct navit *this_, struct navit_vehicle *nv)
1857 struct attr attr_dir, attr_speed, attr_pos;
1858 struct pcoord cursor_pc;
1859 struct point cursor_pnt, *pnt=&cursor_pnt;
1860 enum projection pro;
1862 int recenter = 1; // indicates if we should recenter the map
1865 if (this_->ready != 3) {
1866 profile(0,"return 1\n");
1870 if (! vehicle_get_attr(nv->vehicle, attr_position_direction, &attr_dir, NULL) ||
1871 ! vehicle_get_attr(nv->vehicle, attr_position_speed, &attr_speed, NULL) ||
1872 ! vehicle_get_attr(nv->vehicle, attr_position_coord_geo, &attr_pos, NULL)) {
1873 profile(0,"return 2\n");
1876 nv->dir=*attr_dir.u.numd;
1877 nv->speed=*attr_speed.u.numd;
1878 pro=transform_get_projection(this_->trans);
1879 transform_from_geo(pro, attr_pos.u.coord_geo, &nv->coord);
1880 if (nv != this_->vehicle) {
1881 navit_vehicle_draw(this_, nv, NULL);
1882 profile(0,"return 3\n");
1886 if (nv->speed < 10) {
1887 long long diff,diff_x,diff_y;
1889 diff_x = abs(nv->coord.x - nv->last.x);
1890 diff_y = abs(nv->coord.y - nv->last.y);
1891 diff = (diff_x * diff_x) + (diff_y * diff_y);
1893 if ((diff < 20) && (diff > 0)) { // if our long is only 32 bit wide, we could run into an overflow here
1898 nv->last = nv->coord;
1901 cursor_pc.x = nv->coord.x;
1902 cursor_pc.y = nv->coord.y;
1903 cursor_pc.pro = pro;
1904 if (this_->tracking && this_->tracking_flag) {
1905 if (tracking_update(this_->tracking, &cursor_pc, nv->dir)) {
1906 nv->coord.x=cursor_pc.x;
1907 nv->coord.y=cursor_pc.y;
1911 if (this_->tracking && this_->tracking_flag)
1912 route_set_position_from_tracking(this_->route, this_->tracking);
1914 route_set_position(this_->route, &cursor_pc);
1916 callback_list_call_attr_0(this_->attr_cbl, attr_position);
1917 navit_textfile_debug_log(this_, "type=trackpoint_tracked");
1918 if (this_->gui && nv->speed > 2)
1919 gui_disable_suspend(this_->gui);
1921 transform(this_->trans, pro, &nv->coord, &cursor_pnt, 1, 0, 0, NULL);
1922 if (this_->button_pressed != 1 && nv->follow_curr <= nv->follow &&
1923 (nv->follow_curr == 1 || !transform_within_border(this_->trans, &cursor_pnt, border)))
1924 navit_set_center_cursor(this_);
1926 navit_vehicle_draw(this_, nv, pnt);
1928 if (nv->follow_curr > 1)
1931 nv->follow_curr=nv->follow;
1932 callback_list_call_attr_2(this_->attr_cbl, attr_position_coord_geo, this_, nv->vehicle);
1934 /* Finally, if we reached our destination, stop navigation. */
1935 if (this_->route && route_destination_reached(this_->route)) {
1936 navit_set_destination(this_, NULL, NULL);
1938 profile(0,"return 5\n");
1942 * Set the position of the vehicle
1944 * @param navit The navit instance
1945 * @param c The coordinate to set as position
1950 navit_set_position(struct navit *this_, struct pcoord *c)
1953 route_set_position(this_->route, c);
1954 callback_list_call_attr_0(this_->attr_cbl, attr_position);
1956 if (this_->ready == 3)
1961 navit_set_vehicle(struct navit *this_, struct navit_vehicle *nv)
1967 * Register a new vehicle
1969 * @param navit The navit instance
1970 * @param v The vehicle instance
1971 * @returns 1 for success
1974 navit_add_vehicle(struct navit *this_, struct vehicle *v)
1976 struct navit_vehicle *nv=g_new0(struct navit_vehicle, 1);
1977 struct attr follow,color,active, color2, animate;
1982 nv->animate_cursor=0;
1983 if ((vehicle_get_attr(v, attr_follow, &follow, NULL)))
1984 nv->follow=nv->follow=follow.u.num;
1985 if ((vehicle_get_attr(v, attr_color, &color, NULL)))
1986 nv->c=*(color.u.color);
1987 if ((vehicle_get_attr(v, attr_color2, &color2, NULL)))
1988 nv->c2=color2.u.color;
1991 nv->follow_curr=nv->follow;
1992 this_->vehicles=g_list_append(this_->vehicles, nv);
1993 if ((vehicle_get_attr(v, attr_active, &active, NULL)) && active.u.num)
1994 navit_set_vehicle(this_, nv);
1995 if ((vehicle_get_attr(v, attr_animate, &animate, NULL)))
1996 nv->animate_cursor=animate.u.num;
1997 nv->callback.type=attr_callback;
1998 nv->callback.u.callback=callback_new_2(callback_cast(navit_vehicle_update), this_, nv);
1999 vehicle_add_attr(nv->vehicle, &nv->callback);
2000 vehicle_set_attr(nv->vehicle, &this_->self, NULL);
2008 navit_get_gui(struct navit *this_)
2013 struct transformation *
2014 navit_get_trans(struct navit *this_)
2016 return this_->trans;
2020 navit_get_route(struct navit *this_)
2022 return this_->route;
2026 navit_get_navigation(struct navit *this_)
2028 return this_->navigation;
2031 struct displaylist *
2032 navit_get_displaylist(struct navit *this_)
2034 return this_->displaylist;
2038 navit_block(struct navit *this_, int block)
2041 this_->blocked |= 1;
2042 if (graphics_draw_cancel(this_->gra, this_->displaylist))
2043 this_->blocked |= 2;
2046 if (this_->blocked & 2) {
2056 navit_destroy(struct navit *this_)
2058 /* TODO: destroy objects contained in this_ */
2060 vehicle_destroy(this_->vehicle->vehicle);
2061 main_remove_navit(this_);
2062 char *center_file = navit_get_center_file(TRUE);
2063 navit_write_center_to_file(this_, center_file);
2064 g_free(center_file);
2065 callback_destroy(this_->nav_speech_cb);
2066 callback_destroy(this_->roadbook_callback);
2067 callback_destroy(this_->popup_callback);
2068 callback_destroy(this_->motion_timeout_callback);
2070 graphics_remove_callback(this_->gra, this_->resize_callback);
2071 callback_destroy(this_->resize_callback);
2073 graphics_remove_callback(this_->gra, this_->button_callback);
2074 callback_destroy(this_->button_callback);
2076 graphics_remove_callback(this_->gra, this_->motion_callback);
2077 callback_destroy(this_->motion_callback);