2 * Navit, a modular navigation system.
3 * Copyright (C) 2005-2009 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"
46 #include "data_window.h"
48 #include "navigation.h"
59 #include "navit_nls.h"
63 #include "vehicleprofile.h"
65 #include "bookmarks.h"
68 * @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
72 //! The navit_vehicule
73 struct navit_vehicle {
75 /*! Limit of the follow counter. See navit_add_vehicle */
77 /*! Deprecated : follow counter itself. When it reaches 'update' counts, map is recentered*/
81 struct coord last; /*< Position of the last update of this vehicle */
82 struct vehicle *vehicle;
92 struct layout *layout_current;
94 struct action *action;
95 struct transformation *trans, *trans_cursor;
96 struct compass *compass;
98 struct navigation *navigation;
99 struct speech *speech;
100 struct tracking *tracking;
103 struct displaylist *displaylist;
106 int recentdest_count;
107 int osd_configuration;
109 GList *windows_items;
110 struct navit_vehicle *vehicle;
111 struct callback_list *attr_cbl;
112 struct callback *nav_speech_cb, *roadbook_callback, *popup_callback, *route_cb, *progress_cb;
113 struct datawindow *roadbook_window;
114 struct map *former_destination;
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,*predraw_callback;
134 struct vehicleprofile *vehicleprofile;
135 GList *vehicleprofiles;
140 int zoom_min, zoom_max;
142 struct bookmarks *bookmarks;
144 /* 1=No graphics ok */
149 struct gui *main_loop_gui;
154 struct mapset_handle *mapset_handle;
158 static void navit_vehicle_update(struct navit *this_, struct navit_vehicle *nv);
159 static void navit_vehicle_draw(struct navit *this_, struct navit_vehicle *nv, struct point *pnt);
160 static int navit_add_vehicle(struct navit *this_, struct vehicle *v);
161 static int navit_set_attr_do(struct navit *this_, struct attr *attr, int init);
162 static int navit_get_cursor_pnt(struct navit *this_, struct point *p, int keep_orientation, int *dir);
163 static void navit_set_cursors(struct navit *this_);
164 static void navit_cmd_zoom_to_route(struct navit *this);
165 static void navit_cmd_set_center_cursor(struct navit *this_);
166 static void navit_cmd_announcer_toggle(struct navit *this_);
167 static void navit_set_vehicle(struct navit *this_, struct navit_vehicle *nv);
169 struct navit *global_navit;
172 navit_add_mapset(struct navit *this_, struct mapset *ms)
174 this_->mapsets = g_list_append(this_->mapsets, ms);
178 navit_get_mapset(struct navit *this_)
181 return this_->mapsets->data;
183 dbg(0,"No mapsets enabled! Is it on purpose? Navit can't draw a map. Please check your navit.xml\n");
189 navit_get_tracking(struct navit *this_)
191 return this_->tracking;
195 * @brief Get the user data directory.
196 * @param[in] create - create the directory if it does not exist
198 * @return char * to the data directory string.
200 * returns the directory used to store user data files (center.txt,
201 * destination.txt, bookmark.txt, ...)
205 navit_get_user_data_directory(int create) {
207 dir = getenv("NAVIT_USER_DATADIR");
208 if (create && !file_exists(dir)) {
209 dbg(0,"creating dir %s\n", dir);
210 if (file_mkdir(dir,0)) {
211 dbg(0,"failed creating dir %s\n", dir);
216 } /* end: navit_get_user_data_directory(gboolean create) */
220 navit_draw_async(struct navit *this_, int async)
223 if (this_->blocked) {
227 transform_setup_source_rect(this_->trans);
228 graphics_draw(this_->gra, this_->displaylist, this_->mapsets->data, this_->trans, this_->layout_current, async, NULL, this_->graphics_flags|1);
232 navit_draw(struct navit *this_)
234 if (this_->ready == 3)
235 navit_draw_async(this_, 0);
239 navit_get_ready(struct navit *this_)
247 navit_draw_displaylist(struct navit *this_)
249 if (this_->ready == 3)
250 graphics_displaylist_draw(this_->gra, this_->displaylist, this_->trans, this_->layout_current, this_->graphics_flags|1);
254 navit_map_progress(struct navit *this_)
258 struct mapset_handle *msh;
261 if (this_->ready != 3)
266 ms=this_->mapsets->data;
268 while (msh && (map=mapset_next(msh, 0))) {
269 if (map_get_attr(map, attr_progress, &attr, NULL)) {
270 char *str=g_strdup_printf("%s ",attr.u.str);
271 graphics_draw_mode(this_->gra, draw_mode_begin);
272 graphics_draw_text_std(this_->gra, 16, str, &p);
275 graphics_draw_mode(this_->gra, draw_mode_end);
282 navit_redraw_route(struct navit *this_, struct route *route, struct attr *attr)
285 if (attr->type != attr_route_status)
288 if (this_->ready != 3)
290 if (updated != route_status_path_done_new)
292 if (this_->vehicle) {
293 if (this_->vehicle->follow_curr == 1)
295 if (this_->vehicle->follow_curr <= this_->vehicle->follow)
296 this_->vehicle->follow_curr=this_->vehicle->follow;
302 navit_handle_resize(struct navit *this_, int w, int h)
304 struct map_selection sel;
305 int callback=(this_->ready == 1);
307 memset(&sel, 0, sizeof(sel));
312 transform_set_screen_selection(this_->trans, &sel);
313 graphics_init(this_->gra);
314 graphics_set_rect(this_->gra, &sel.u.p_rect);
316 callback_list_call_attr_1(this_->attr_cbl, attr_graphics_ready, this_);
317 if (this_->ready == 3)
318 navit_draw_async(this_, 1);
322 navit_resize(void *data, int w, int h)
324 struct navit *this=data;
325 if (!this->ignore_graphics_events)
326 navit_handle_resize(this, w, h);
330 navit_get_width(struct navit *this_)
337 navit_get_height(struct navit *this_)
343 navit_popup(void *data)
345 struct navit *this_=data;
346 popup(this_, 1, &this_->pressed);
347 this_->button_timeout=NULL;
353 navit_ignore_button(struct navit *this_)
355 if (this_->ignore_button)
357 this_->ignore_button=1;
362 navit_ignore_graphics_events(struct navit *this_, int ignore)
364 this_->ignore_graphics_events=ignore;
368 update_transformation(struct transformation *tr, struct point *old, struct point *new, struct point *rot)
373 double angleo,anglen;
375 if (!transform_reverse(tr, old, &co))
378 angleo=atan2(old->y-rot->y, old->x-rot->x)*180/M_PI;
379 anglen=atan2(new->y-rot->y, new->x-rot->x)*180/M_PI;
380 yaw=transform_get_yaw(tr)+angleo-anglen;
381 transform_set_yaw(tr, yaw % 360);
383 if (!transform_reverse(tr, new, &cn))
385 cp=transform_get_center(tr);
388 dbg(1,"from 0x%x,0x%x to 0x%x,0x%x\n", cp->x, cp->y, c.x, c.y);
389 transform_set_center(tr, &c);
393 navit_set_timeout(struct navit *this_)
396 follow.type=attr_follow;
397 follow.u.num=this_->center_timeout;
398 navit_set_attr(this_, &follow);
402 navit_handle_button(struct navit *this_, int pressed, int button, struct point *p, struct callback *popup_callback)
406 dbg(1,"enter %d %d (ignore %d)\n",pressed,button,this_->ignore_button);
407 callback_list_call_attr_4(this_->attr_cbl, attr_button, this_, GINT_TO_POINTER(pressed), GINT_TO_POINTER(button), p);
408 if (this_->ignore_button) {
409 this_->ignore_button=0;
417 this_->button_pressed=1;
421 this_->button_timeout=event_add_timeout(500, 0, popup_callback);
424 navit_set_center_screen(this_, p, 1);
426 popup(this_, button, p);
427 if (button == 4 && this_->use_mousewheel) {
429 navit_zoom_in(this_, 2, p);
431 if (button == 5 && this_->use_mousewheel) {
433 navit_zoom_out(this_, 2, p);
437 this_->button_pressed=0;
438 if (this_->button_timeout) {
439 event_remove_timeout(this_->button_timeout);
440 this_->button_timeout=NULL;
441 if (! this_->moved && ! transform_within_border(this_->trans, p, border)) {
442 navit_set_center_screen(this_, p, !this_->zoomed);
445 if (this_->motion_timeout) {
446 event_remove_timeout(this_->motion_timeout);
447 this_->motion_timeout=NULL;
454 update_transformation(this_->trans, &this_->pressed, p, &pr);
456 update_transformation(this_->trans, &this_->pressed, p, NULL);
458 graphics_draw_drag(this_->gra, NULL);
459 transform_copy(this_->trans, this_->trans_cursor);
460 graphics_overlay_disable(this_->gra, 0);
462 navit_set_timeout(this_);
471 navit_button(void *data, int pressed, int button, struct point *p)
473 struct navit *this=data;
474 dbg(1,"enter %d %d ignore %d\n",pressed,button,this->ignore_graphics_events);
475 if (!this->ignore_graphics_events) {
476 if (! this->popup_callback)
477 this->popup_callback=callback_new_1(callback_cast(navit_popup), this);
478 navit_handle_button(this, pressed, button, p, this->popup_callback);
484 navit_motion_timeout(struct navit *this_)
488 if (this_->drag_bitmap) {
490 point.x=(this_->current.x-this_->pressed.x);
491 point.y=(this_->current.y-this_->pressed.y);
492 if (graphics_draw_drag(this_->gra, &point)) {
493 graphics_overlay_disable(this_->gra, 1);
494 graphics_draw_mode(this_->gra, draw_mode_end);
496 this_->motion_timeout=NULL;
500 dx=(this_->current.x-this_->last.x);
501 dy=(this_->current.y-this_->last.y);
503 struct transformation *tr;
505 this_->last=this_->current;
506 graphics_overlay_disable(this_->gra, 1);
507 tr=transform_dup(this_->trans);
511 update_transformation(tr, &this_->pressed, &this_->current, &pr);
513 update_transformation(tr, &this_->pressed, &this_->current, NULL);
516 graphics_displaylist_move(this_->displaylist, dx, dy);
518 graphics_draw_cancel(this_->gra, this_->displaylist);
519 graphics_displaylist_draw(this_->gra, this_->displaylist, tr, this_->layout_current, this_->graphics_flags);
520 transform_destroy(tr);
523 this_->motion_timeout=NULL;
528 navit_handle_motion(struct navit *this_, struct point *p)
532 if (this_->button_pressed && !this_->popped) {
533 dx=(p->x-this_->pressed.x);
534 dy=(p->y-this_->pressed.y);
535 if (dx < -8 || dx > 8 || dy < -8 || dy > 8) {
537 if (this_->button_timeout) {
538 event_remove_timeout(this_->button_timeout);
539 this_->button_timeout=NULL;
542 if (! this_->motion_timeout_callback)
543 this_->motion_timeout_callback=callback_new_1(callback_cast(navit_motion_timeout), this_);
544 if (! this_->motion_timeout)
545 this_->motion_timeout=event_add_timeout(100, 0, this_->motion_timeout_callback);
551 navit_motion(void *data, struct point *p)
553 struct navit *this=data;
554 if (!this->ignore_graphics_events)
555 navit_handle_motion(this, p);
559 navit_predraw(struct navit *this_)
562 struct navit_vehicle *nv;
563 transform_copy(this_->trans, this_->trans_cursor);
567 navit_vehicle_draw(this_, nv, NULL);
573 navit_scale(struct navit *this_, long scale, struct point *p, int draw)
575 struct coord c1, c2, *center;
576 if (scale < this_->zoom_min)
577 scale=this_->zoom_min;
578 if (scale > this_->zoom_max)
579 scale=this_->zoom_max;
581 transform_reverse(this_->trans, p, &c1);
582 transform_set_scale(this_->trans, scale);
584 transform_reverse(this_->trans, p, &c2);
585 center = transform_center(this_->trans);
586 center->x += c1.x - c2.x;
587 center->y += c1.y - c2.y;
594 * @brief Automatically adjusts zoom level
596 * This function automatically adjusts the current
597 * zoom level according to the current speed.
599 * @param this_ The navit struct
600 * @param center The "immovable" point - i.e. the vehicles position if we're centering on the vehicle
601 * @param speed The vehicles speed in meters per second
602 * @param dir The direction into which the vehicle moves
605 navit_autozoom(struct navit *this_, struct coord *center, int speed, int draw)
612 if (! this_->autozoom_active) {
616 distance = speed * this_->autozoom_secs;
618 transform_get_size(this_->trans, &w, &h);
619 transform(this_->trans, transform_get_projection(this_->trans), center, &pc, 1, 0, 0, NULL);
620 scale = transform_get_scale(this_->trans);
622 /* We make sure that the point we want to see is within a certain range
623 * around the vehicle. The radius of this circle is the size of the
624 * screen. This doesn't necessarily mean the point is visible because of
625 * perspective etc. Quite rough, but should be enough. */
628 new_scale = (double)distance / h * 16;
630 new_scale = (double)distance / w * 16;
633 if (abs(new_scale - scale) < 2) {
637 if (new_scale >= this_->autozoom_min) {
638 navit_scale(this_, (long)new_scale, &pc, 0);
640 if (scale != this_->autozoom_min) {
641 navit_scale(this_, this_->autozoom_min, &pc, 0);
647 * Change the current zoom level, zooming closer to the ground
649 * @param navit The navit instance
650 * @param factor The zoom factor, usually 2
651 * @param p The invariant point (if set to NULL, default to center)
655 navit_zoom_in(struct navit *this_, int factor, struct point *p)
657 long scale=transform_get_scale(this_->trans)/factor;
660 navit_scale(this_, scale, p, 1);
664 * Change the current zoom level
666 * @param navit The navit instance
667 * @param factor The zoom factor, usually 2
668 * @param p The invariant point (if set to NULL, default to center)
672 navit_zoom_out(struct navit *this_, int factor, struct point *p)
674 long scale=transform_get_scale(this_->trans)*factor;
675 navit_scale(this_, scale, p, 1);
679 navit_zoom_in_cursor(struct navit *this_, int factor)
682 if (this_->vehicle && this_->vehicle->follow_curr <= 1 && navit_get_cursor_pnt(this_, &p, 0, NULL)) {
683 navit_zoom_in(this_, factor, &p);
684 this_->vehicle->follow_curr=this_->vehicle->follow;
686 navit_zoom_in(this_, factor, NULL);
690 navit_zoom_out_cursor(struct navit *this_, int factor)
693 if (this_->vehicle && this_->vehicle->follow_curr <= 1 && navit_get_cursor_pnt(this_, &p, 0, NULL)) {
694 navit_zoom_out(this_, 2, &p);
695 this_->vehicle->follow_curr=this_->vehicle->follow;
697 navit_zoom_out(this_, 2, NULL);
701 navit_cmd_zoom_in(struct navit *this_)
703 navit_zoom_in_cursor(this_, 2);
708 navit_cmd_zoom_out(struct navit *this_)
710 navit_zoom_out_cursor(this_, 2);
716 navit_cmd_say(struct navit *this, char *function, struct attr **in, struct attr ***out, int *valid)
718 if (in && in[0] && ATTR_IS_STRING(in[0]->type) && in[0]->u.str)
719 navit_say(this, in[0]->u.str);
722 static GHashTable *cmd_int_var_hash = NULL;
725 * Store key value pair for the command system
727 * @param navit The navit instance
728 * @param function unused (needed to match command function signiture)
729 * @param in input attributes in[0] is the key string, in[1] is the integer value to store
730 * @param out output attributes, unused
731 * @param valid unused
735 navit_cmd_set_int_var(struct navit *this, char *function, struct attr **in, struct attr ***out, int *valid)
737 if(!cmd_int_var_hash) {
738 cmd_int_var_hash = g_hash_table_new(g_str_hash, g_str_equal);
741 if ( (in && in[0] && ATTR_IS_STRING(in[0]->type) && in[0]->u.str) &&
742 (in && in[1] && ATTR_IS_NUMERIC(in[1]->type))) {
743 struct attr*val = g_new(struct attr,1);
744 attr_dup_content(in[1],val);
745 char*key = g_strdup(in[0]->u.str);
746 g_hash_table_insert(cmd_int_var_hash, key, val);
751 * Get value given a key string for the command system
753 * @param navit The navit instance
754 * @param function unused (needed to match command function signiture)
755 * @param in input attribute in[0] is the key string
756 * @param out output attribute, the value for the given key string if exists or 0
757 * @param valid unused
761 navit_cmd_get_int_var(struct navit *this, char *function, struct attr **in, struct attr ***out, int *valid)
763 struct attr **list = g_new0(struct attr *,2);
764 if(!cmd_int_var_hash) {
765 struct attr*val = g_new0(struct attr,1);
766 val->type = attr_type_int_begin;
770 if (in && in[0] && ATTR_IS_STRING(in[0]->type) && in[0]->u.str) {
771 struct attr*ret = g_hash_table_lookup(cmd_int_var_hash, in[0]->u.str);
776 struct attr*val = g_new0(struct attr,1);
777 val->type = attr_type_int_begin;
786 GList *cmd_int_var_stack = NULL;
789 * Push an integer to the stack for the command system
791 * @param navit The navit instance
792 * @param function unused (needed to match command function signiture)
793 * @param in input attribute in[0] is the integer attibute to push
794 * @param out output attributes, unused
795 * @param valid unused
799 navit_cmd_push_int(struct navit *this, char *function, struct attr **in, struct attr ***out, int *valid)
801 if (in && in[0] && ATTR_IS_NUMERIC(in[0]->type)) {
802 struct attr*val = g_new(struct attr,1);
803 attr_dup_content(in[0],val);
804 cmd_int_var_stack = g_list_prepend(cmd_int_var_stack, val);
809 * Pop an integer from the command system's integer stack
811 * @param navit The navit instance
812 * @param function unused (needed to match command function signiture)
813 * @param in input attributes unused
814 * @param out output attribute, the value popped if stack isn't empty or 0
815 * @param valid unused
819 navit_cmd_pop_int(struct navit *this, char *function, struct attr **in, struct attr ***out, int *valid)
821 struct attr **list = g_new0(struct attr *,2);
822 if(!cmd_int_var_stack) {
823 struct attr*val = g_new0(struct attr,1);
824 val->type = attr_type_int_begin;
829 list[0] = cmd_int_var_stack->data;
830 cmd_int_var_stack = g_list_remove_link(cmd_int_var_stack,cmd_int_var_stack);
837 * Get current size of command system's integer stack
839 * @param navit The navit instance
840 * @param function unused (needed to match command function signiture)
841 * @param in input attributes unused
842 * @param out output attribute, the size of stack
843 * @param valid unused
847 navit_cmd_int_stack_size(struct navit *this, char *function, struct attr **in, struct attr ***out, int *valid)
849 struct attr *attr = g_new0(struct attr ,1);
850 attr->type = attr_type_int_begin;
851 if(!cmd_int_var_stack) {
855 attr->u.num = g_list_length(cmd_int_var_stack);
857 struct attr **list = g_new0(struct attr *,2);
861 cmd_int_var_stack = g_list_remove_link(cmd_int_var_stack,cmd_int_var_stack);
865 navit_cmd_set_destination(struct navit *this, char *function, struct attr **in, struct attr ***out, int *valid)
868 char *description=NULL;
873 pc.pro = transform_get_projection(this->trans);
874 if (ATTR_IS_COORD(in[0]->type)) {
875 pc.x=in[0]->u.coord->x;
876 pc.y=in[0]->u.coord->y;
878 } else if (ATTR_IS_PCOORD(in[0]->type)) {
881 } else if (in[1] && in[2] && ATTR_IS_INT(in[0]->type) && ATTR_IS_INT(in[1]->type) && ATTR_IS_INT(in[2]->type)) {
886 } else if (in[1] && ATTR_IS_INT(in[0]->type) && ATTR_IS_INT(in[1]->type)) {
892 if (in[0] && ATTR_IS_STRING(in[0]->type))
893 description=in[0]->u.str;
894 navit_set_destination(this, &pc, description, 1);
898 navit_cmd_fmt_coordinates(struct navit *this, char *function, struct attr **in, struct attr ***out, int *valid)
901 attr.type=attr_type_string_begin;
904 *out=attr_generic_add_attr(*out, &attr);
908 static struct command_table commands[] = {
909 {"zoom_in",command_cast(navit_cmd_zoom_in)},
910 {"zoom_out",command_cast(navit_cmd_zoom_out)},
911 {"zoom_to_route",command_cast(navit_cmd_zoom_to_route)},
912 {"say",command_cast(navit_cmd_say)},
913 {"set_center_cursor",command_cast(navit_cmd_set_center_cursor)},
914 {"set_destination",command_cast(navit_cmd_set_destination)},
915 {"announcer_toggle",command_cast(navit_cmd_announcer_toggle)},
916 {"fmt_coordinates",command_cast(navit_cmd_fmt_coordinates)},
917 {"set_int_var",command_cast(navit_cmd_set_int_var)},
918 {"get_int_var",command_cast(navit_cmd_get_int_var)},
919 {"push_int",command_cast(navit_cmd_push_int)},
920 {"pop_int",command_cast(navit_cmd_pop_int)},
921 {"int_stack_size",command_cast(navit_cmd_int_stack_size)},
925 navit_command_add_table(struct navit*this_, struct command_table *commands, int count)
927 command_add_table(this_->attr_cbl, commands, count, this_);
931 navit_new(struct attr *parent, struct attr **attrs)
933 struct navit *this_=g_new0(struct navit, 1);
934 struct pcoord center;
937 enum projection pro=projection_mg;
942 this_->self.type=attr_navit;
943 this_->self.u.navit=this_;
944 this_->attr_cbl=callback_list_new();
946 this_->orientation=-1;
947 this_->tracking_flag=1;
948 this_->recentdest_count=10;
949 this_->osd_configuration=-1;
951 this_->center_timeout = 10;
952 this_->use_mousewheel = 1;
953 this_->autozoom_secs = 10;
954 this_->autozoom_min = 7;
955 this_->autozoom_active = 0;
957 this_->zoom_max = 2097152;
958 this_->follow_cursor = 1;
962 this_->trans = transform_new();
963 this_->trans_cursor = transform_new();
964 transform_from_geo(pro, &g, &co);
969 transform_setup(this_->trans, ¢er, zoom, (this_->orientation != -1) ? this_->orientation : 0);
971 this_->bookmarks=bookmarks_new(&this_->self, NULL, this_->trans);
975 for (;*attrs; attrs++) {
976 navit_set_attr_do(this_, *attrs, 1);
978 this_->displaylist=graphics_displaylist_new();
979 command_add_table(this_->attr_cbl, commands, sizeof(commands)/sizeof(struct command_table), this_);
981 this_->messages = messagelist_new(attrs);
987 navit_set_gui(struct navit *this_, struct gui *gui)
992 if (gui_has_main_loop(this_->gui)) {
993 if (! main_loop_gui) {
994 main_loop_gui=this_->gui;
996 dbg(0,"gui with main loop already active, ignoring this instance");
1004 navit_add_message(struct navit *this_, char *message)
1006 message_new(this_->messages, message);
1010 *navit_get_messages(struct navit *this_)
1012 return message_get(this_->messages);
1016 navit_set_graphics(struct navit *this_, struct graphics *gra)
1021 this_->resize_callback=callback_new_attr_1(callback_cast(navit_resize), attr_resize, this_);
1022 graphics_add_callback(gra, this_->resize_callback);
1023 this_->button_callback=callback_new_attr_1(callback_cast(navit_button), attr_button, this_);
1024 graphics_add_callback(gra, this_->button_callback);
1025 this_->motion_callback=callback_new_attr_1(callback_cast(navit_motion), attr_motion, this_);
1026 graphics_add_callback(gra, this_->motion_callback);
1027 this_->predraw_callback=callback_new_attr_1(callback_cast(navit_predraw), attr_predraw, this_);
1028 graphics_add_callback(gra, this_->predraw_callback);
1033 navit_get_graphics(struct navit *this_)
1038 struct vehicleprofile *
1039 navit_get_vehicleprofile(struct navit *this_)
1041 return this_->vehicleprofile;
1045 navit_get_vehicleprofiles(struct navit *this_)
1047 return this_->vehicleprofiles;
1051 navit_projection_set(struct navit *this_, enum projection pro, int draw)
1056 c=transform_center(this_->trans);
1057 transform_to_geo(transform_get_projection(this_->trans), c, &g);
1058 transform_set_projection(this_->trans, pro);
1059 transform_from_geo(pro, &g, c);
1065 * Start the route computing to a given set of coordinates
1067 * @param navit The navit instance
1068 * @param c The coordinate to start routing to
1069 * @param description A label which allows the user to later identify this destination in the former destinations selection
1073 navit_set_destination(struct navit *this_, struct pcoord *c, const char *description, int async)
1076 this_->destination=*c;
1077 this_->destination_valid=1;
1079 dbg(1, "navit->navit_set_destination %i\n", c->x);
1080 dbg(1, "navit->navit_set_destination %i\n", c->y);
1083 this_->destination_valid=0;
1084 char *destination_file = bookmarks_get_destination_file(TRUE);
1085 bookmarks_append_coord(this_->bookmarks, destination_file, c, 1, "former_destination", description, NULL, this_->recentdest_count);
1086 g_free(destination_file);
1087 callback_list_call_attr_0(this_->attr_cbl, attr_destination);
1089 route_set_destination(this_->route, c, async);
1091 if (this_->ready == 3)
1097 * Start the route computing to a given set of coordinates including waypoints
1099 * @param navit The navit instance
1100 * @param c The coordinate to start routing to
1101 * @param description A label which allows the user to later identify this destination in the former destinations selection
1105 navit_set_destinations(struct navit *this_, struct pcoord *c, int count, const char *description, int async)
1108 this_->destination=c[count-1];
1109 this_->destination_valid=1;
1111 this_->destination_valid=0;
1112 char *destination_file = bookmarks_get_destination_file(TRUE);
1113 bookmarks_append_coord(this_->bookmarks, destination_file, c, count, "former_itinerary", description, NULL, this_->recentdest_count);
1114 g_free(destination_file);
1115 callback_list_call_attr_0(this_->attr_cbl, attr_destination);
1117 route_set_destinations(this_->route, c, count, async);
1119 if (this_->ready == 3)
1125 * @brief Checks if a route is calculated
1127 * This function checks if a route is calculated.
1129 * @param this_ The navit struct whose route should be checked.
1130 * @return True if the route is set, false otherwise.
1133 navit_check_route(struct navit *this_)
1136 return route_get_path_set(this_->route);
1143 navit_former_destinations_active(struct navit *this_)
1145 char *destination_file = bookmarks_get_destination_file(FALSE);
1149 f=fopen(destination_file,"r");
1151 if(!fseek(f, -2, SEEK_END) && fread(buffer, 2, 1, f) == 1 && (buffer[0]!='\n' || buffer[1]!='\n'))
1155 g_free(destination_file);
1160 navit_add_former_destinations_from_file(struct navit *this_)
1162 char *destination_file = bookmarks_get_destination_file(FALSE);
1163 struct attr parent={attr_navit, .u.navit=this_};
1164 struct attr type={attr_type, {"textfile"}}, data={attr_data, {destination_file}}, flags={attr_flags, {(void *)1}};
1165 struct attr *attrs[]={&type, &data, &flags, NULL};
1166 struct map_rect *mr;
1168 int i,valid=0,count=0;
1170 struct pcoord pc[16];
1172 this_->former_destination=map_new(&parent, attrs);
1173 g_free(destination_file);
1174 if (!this_->route || !navit_former_destinations_active(this_))
1176 mr=map_rect_new(this_->former_destination, NULL);
1177 while ((item=map_rect_get_item(mr))) {
1178 if ((item->type == type_former_destination || item->type == type_former_itinerary || item->type == type_former_itinerary_part) && (count=item_coord_get(item, c, 16)))
1181 map_rect_destroy(mr);
1182 if (valid && count > 0) {
1183 for (i = 0 ; i < count ; i++) {
1184 pc[i].pro=map_projection(this_->former_destination);
1189 route_set_destination(this_->route, &pc[0], 1);
1191 route_set_destinations(this_->route, pc, count, 1);
1192 this_->destination=pc[count-1];
1193 this_->destination_valid=1;
1199 navit_textfile_debug_log(struct navit *this_, const char *fmt, ...)
1204 if (this_->textfile_debug_log && this_->vehicle) {
1205 str1=g_strdup_vprintf(fmt, ap);
1206 str2=g_strdup_printf("0x%x 0x%x%s%s\n", this_->vehicle->coord.x, this_->vehicle->coord.y, strlen(str1) ? " " : "", str1);
1207 log_write(this_->textfile_debug_log, str2, strlen(str2), 0);
1215 navit_say(struct navit *this_, char *text)
1218 speech_say(this_->speech, text);
1223 * @brief Toggles the navigation announcer for navit
1224 * @param this_ The navit object
1227 navit_cmd_announcer_toggle(struct navit *this_)
1229 struct attr attr, speechattr;
1231 // search for the speech attribute
1232 if(!navit_get_attr(this_, attr_speech, &speechattr, NULL))
1234 // find out if the corresponding attribute attr_active has been set
1235 if(speech_get_attr(speechattr.u.speech, attr_active, &attr, NULL)) {
1237 attr.u.num = !attr.u.num;
1239 // otherwise disable it because voice is enabled by default
1240 attr.type = attr_active;
1244 // apply the new state
1245 if(!speech_set_attr(speechattr.u.speech, &attr))
1248 // announce that the speech attribute has changed
1249 callback_list_call_attr_0(this_->attr_cbl, attr_speech);
1253 navit_speak(struct navit *this_)
1255 struct navigation *nav=this_->navigation;
1256 struct map *map=NULL;
1257 struct map_rect *mr=NULL;
1261 if (!speech_get_attr(this_->speech, attr_active, &attr, NULL))
1263 dbg(1, "this_.speech->active %i\n", attr.u.num);
1268 map=navigation_get_map(nav);
1270 mr=map_rect_new(map, NULL);
1272 while ((item=map_rect_get_item(mr)) && (item->type == type_nav_position || item->type == type_nav_none));
1273 if (item && item_attr_get(item, attr_navigation_speech, &attr)) {
1274 speech_say(this_->speech, attr.u.str);
1275 navit_add_message(this_, attr.u.str);
1276 navit_textfile_debug_log(this_, "type=announcement label=\"%s\"", attr.u.str);
1278 map_rect_destroy(mr);
1283 navit_window_roadbook_update(struct navit *this_)
1285 struct navigation *nav=this_->navigation;
1286 struct map *map=NULL;
1287 struct map_rect *mr=NULL;
1290 struct param_list param[5];
1294 datawindow_mode(this_->roadbook_window, 1);
1296 map=navigation_get_map(nav);
1298 mr=map_rect_new(map, NULL);
1299 dbg(0,"nav=%p map=%p mr=%p\n", nav, map, mr);
1301 dbg(0,"while loop\n");
1302 while ((item=map_rect_get_item(mr))) {
1303 dbg(0,"item=%p\n", item);
1305 if (item->type != type_nav_position) {
1306 item_attr_get(item, attr_navigation_long, &attr);
1307 if (attr.u.str == NULL) {
1310 dbg(2, "Command='%s'\n", attr.u.str);
1311 param[0].value=g_strdup(attr.u.str);
1313 param[0].value=_("Position");
1314 param[0].name=_("Command");
1316 item_attr_get(item, attr_length, &attr);
1317 dbg(2, "Length=%d\n", attr.u.num);
1318 param[1].name=_("Length");
1320 if ( attr.u.num >= 2000 )
1322 param[1].value=g_strdup_printf("%5.1f %s",(float)attr.u.num / 1000, _("km") );
1326 param[1].value=g_strdup_printf("%7d %s",attr.u.num, _("m"));
1329 item_attr_get(item, attr_time, &attr);
1330 dbg(2, "Time=%d\n", attr.u.num);
1332 param[2].name=_("Time");
1335 param[2].value=g_strdup_printf("%d:%02d:%02d",secs / 60, ( secs / 60 ) % 60 , secs % 60);
1339 param[2].value=g_strdup_printf("%d:%02d",secs / 60, secs % 60);
1342 item_attr_get(item, attr_destination_length, &attr);
1343 dbg(2, "Destlength=%d\n", attr.u.num);
1344 param[3].name=_("Destination Length");
1345 if ( attr.u.num >= 2000 )
1347 param[3].value=g_strdup_printf("%5.1f %s",(float)attr.u.num / 1000, _("km") );
1351 param[3].value=g_strdup_printf("%d %s",attr.u.num, _("m"));
1354 item_attr_get(item, attr_destination_time, &attr);
1355 dbg(2, "Desttime=%d\n", attr.u.num);
1357 param[4].name=_("Destination Time");
1360 param[4].value=g_strdup_printf("%d:%02d:%02d",secs / 3600, (secs / 60 ) % 60 , secs % 60);
1364 param[4].value=g_strdup_printf("%d:%02d",secs / 60, secs % 60);
1366 datawindow_add(this_->roadbook_window, param, 5);
1368 map_rect_destroy(mr);
1370 datawindow_mode(this_->roadbook_window, 0);
1374 navit_window_roadbook_destroy(struct navit *this_)
1377 navigation_unregister_callback(this_->navigation, attr_navigation_long, this_->roadbook_callback);
1378 this_->roadbook_window=NULL;
1379 this_->roadbook_callback=NULL;
1382 navit_window_roadbook_new(struct navit *this_)
1384 if (!this_->gui || this_->roadbook_callback || this_->roadbook_window) {
1388 this_->roadbook_callback=callback_new_1(callback_cast(navit_window_roadbook_update), this_);
1389 navigation_register_callback(this_->navigation, attr_navigation_long, this_->roadbook_callback);
1390 this_->roadbook_window=gui_datawindow_new(this_->gui, _("Roadbook"), NULL, callback_new_1(callback_cast(navit_window_roadbook_destroy), this_));
1391 navit_window_roadbook_update(this_);
1395 navit_init(struct navit *this_)
1401 dbg(2,"enter gui %p graphics %p\n",this_->gui,this_->gra);
1403 if (!this_->gui && !(this_->flags & 2)) {
1405 navit_destroy(this_);
1408 if (!this_->gra && !(this_->flags & 1)) {
1409 dbg(0,"no graphics\n");
1410 navit_destroy(this_);
1413 dbg(2,"Connecting gui to graphics\n");
1414 if (this_->gui && this_->gra && gui_set_graphics(this_->gui, this_->gra)) {
1415 struct attr attr_type_gui, attr_type_graphics;
1416 gui_get_attr(this_->gui, attr_type, &attr_type_gui, NULL);
1417 graphics_get_attr(this_->gra, attr_type, &attr_type_graphics, NULL);
1418 dbg(0,"failed to connect graphics '%s' to gui '%s'\n", attr_type_graphics.u.str, attr_type_gui.u.str);
1419 dbg(0," Please see http://wiki.navit-project.org/index.php/Failed_to_connect_graphics_to_gui\n");
1420 dbg(0," for explanations and solutions\n");
1422 navit_destroy(this_);
1425 if (this_->speech && this_->navigation) {
1427 speech.type=attr_speech;
1428 speech.u.speech=this_->speech;
1429 navigation_set_attr(this_->navigation, &speech);
1431 dbg(2,"Initializing graphics\n");
1432 dbg(2,"Setting Vehicle\n");
1433 navit_set_vehicle(this_, this_->vehicle);
1434 dbg(2,"Adding dynamic maps to mapset %p\n",this_->mapsets);
1435 if (this_->mapsets) {
1436 struct mapset_handle *msh;
1437 ms=this_->mapsets->data;
1438 this_->progress_cb=callback_new_attr_1(callback_cast(navit_map_progress), attr_progress, this_);
1439 msh=mapset_open(ms);
1440 while (msh && (map=mapset_next(msh, 0))) {
1441 map_add_callback(map, this_->progress_cb);
1446 if ((map=route_get_map(this_->route)))
1447 mapset_add_attr(ms, &(struct attr){attr_map,.u.map=map});
1448 if ((map=route_get_graph_map(this_->route))) {
1449 mapset_add_attr(ms, &(struct attr){attr_map,.u.map=map});
1450 map_set_attr(map, &(struct attr ){attr_active,.u.num=0});
1452 route_set_mapset(this_->route, ms);
1453 route_set_projection(this_->route, transform_get_projection(this_->trans));
1455 if (this_->tracking) {
1456 tracking_set_mapset(this_->tracking, ms);
1458 tracking_set_route(this_->tracking, this_->route);
1460 if (this_->navigation) {
1461 if ((map=navigation_get_map(this_->navigation))) {
1462 mapset_add_attr(ms, &(struct attr){attr_map,.u.map=map});
1463 map_set_attr(map, &(struct attr ){attr_active,.u.num=0});
1466 if (this_->tracking) {
1467 if ((map=tracking_get_map(this_->tracking))) {
1468 mapset_add_attr(ms, &(struct attr){attr_map,.u.map=map});
1469 map_set_attr(map, &(struct attr ){attr_active,.u.num=0});
1472 navit_add_former_destinations_from_file(this_);
1475 struct attr callback;
1476 this_->route_cb=callback_new_attr_1(callback_cast(navit_redraw_route), attr_route_status, this_);
1477 callback.type=attr_callback;
1478 callback.u.callback=this_->route_cb;
1479 route_add_attr(this_->route, &callback);
1481 if (this_->navigation) {
1482 if (this_->speech) {
1483 this_->nav_speech_cb=callback_new_1(callback_cast(navit_speak), this_);
1484 navigation_register_callback(this_->navigation, attr_navigation_speech, this_->nav_speech_cb);
1487 navigation_set_route(this_->navigation, this_->route);
1489 dbg(2,"Setting Center\n");
1490 char *center_file = bookmarks_get_center_file(FALSE);
1491 bookmarks_set_center_from_file(this_->bookmarks, center_file);
1492 g_free(center_file);
1494 if (this_->menubar) {
1495 men=menu_add(this_->menubar, "Data", menu_type_submenu, NULL);
1497 navit_add_menu_windows_items(this_, men);
1503 navit_window_roadbook_new(this_);
1504 navit_window_items_new(this_);
1507 messagelist_init(this_->messages);
1509 navit_set_cursors(this_);
1511 callback_list_call_attr_1(this_->attr_cbl, attr_navit, this_);
1512 callback=(this_->ready == 2);
1514 dbg(2,"ready=%d\n",this_->ready);
1515 if (this_->ready == 3)
1516 navit_draw_async(this_, 1);
1518 callback_list_call_attr_1(this_->attr_cbl, attr_graphics_ready, this_);
1520 routech_test(this_);
1525 navit_zoom_to_rect(struct navit *this_, struct coord_rect *r)
1530 c.x=(r->rl.x+r->lu.x)/2;
1531 c.y=(r->rl.y+r->lu.y)/2;
1532 transform_set_center(this_->trans, &c);
1533 dbg(1,"%x,%x-%x,%x\n", r->rl.x,r->rl.y,r->lu.x,r->lu.y);
1534 while (scale < 1<<20) {
1536 transform_set_scale(this_->trans, scale);
1537 transform_setup_source_rect(this_->trans);
1538 transform(this_->trans, transform_get_projection(this_->trans), &r->lu, &p1, 1, 0, 0, NULL);
1539 transform(this_->trans, transform_get_projection(this_->trans), &r->rl, &p2, 1, 0, 0, NULL);
1540 dbg(1,"%d,%d-%d,%d\n",p1.x,p1.y,p2.x,p2.y);
1541 if (p1.x < 0 || p2.x < 0 || p1.x > this_->w || p2.x > this_->w ||
1542 p1.y < 0 || p2.y < 0 || p1.y > this_->h || p2.y > this_->h)
1548 if (this_->ready == 3)
1549 navit_draw_async(this_,0);
1553 navit_zoom_to_route(struct navit *this_, int orientation)
1556 struct map_rect *mr=NULL;
1559 struct coord_rect r;
1564 map=route_get_map(this_->route);
1565 dbg(1,"map=%p\n",map);
1567 mr=map_rect_new(map, NULL);
1568 dbg(1,"mr=%p\n",mr);
1570 while ((item=map_rect_get_item(mr))) {
1571 dbg(1,"item=%s\n", item_to_name(item->type));
1572 while (item_coord_get(item, &c, 1)) {
1577 coord_rect_extend(&r, &c);
1584 if (orientation != -1)
1585 transform_set_yaw(this_->trans, orientation);
1586 navit_zoom_to_rect(this_, &r);
1590 navit_cmd_zoom_to_route(struct navit *this)
1592 navit_zoom_to_route(this, 0);
1597 * Change the current zoom level
1599 * @param navit The navit instance
1600 * @param center The point where to center the map, including its projection
1604 navit_set_center(struct navit *this_, struct pcoord *center, int set_timeout)
1606 struct coord *c=transform_center(this_->trans);
1608 enum projection pro = transform_get_projection(this_->trans);
1609 if (pro != center->pro) {
1612 transform_from_to(&c1, center->pro, &c2, pro);
1619 navit_set_timeout(this_);
1620 if (this_->ready == 3)
1625 navit_set_center_coord_screen(struct navit *this_, struct coord *c, struct point *p, int set_timeout)
1629 transform_set_center(this_->trans, c);
1630 transform_get_size(this_->trans, &width, &height);
1633 update_transformation(this_->trans, &po, p, NULL);
1635 navit_set_timeout(this_);
1639 * Links all vehicles to a cursor depending on the current profile.
1641 * @param this_ A navit instance
1642 * @author Ralph Sennhauser (10/2009)
1645 navit_set_cursors(struct navit *this_)
1648 struct navit_vehicle *nv;
1652 v=g_list_first(this_->vehicles); // GList of navit_vehicles
1655 if (vehicle_get_attr(nv->vehicle, attr_cursorname, &name, NULL)) {
1656 if (!strcmp(name.u.str,"none"))
1659 c=layout_get_cursor(this_->layout_current, name.u.str);
1661 c=layout_get_cursor(this_->layout_current, "default");
1662 vehicle_set_cursor(nv->vehicle, c);
1669 navit_get_cursor_pnt(struct navit *this_, struct point *p, int keep_orientation, int *dir)
1672 struct navit_vehicle *nv=this_->vehicle;
1674 float offset=this_->radius; // Cursor offset from the center of the screen (percent).
1675 #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 */
1676 float min_offset = 0.; // Percent offset at min_offset_speed.
1677 float max_offset = 30.; // Percent offset at max_offset_speed.
1678 int min_offset_speed = 2; // Speed in km/h
1679 int max_offset_speed = 50; // Speed ini km/h
1680 // Calculate cursor offset from the center of the screen, upon speed.
1681 if (nv->speed <= min_offset_speed) {
1682 offset = min_offset;
1683 } else if (nv->speed > max_offset_speed) {
1684 offset = max_offset;
1686 offset = (max_offset - min_offset) / (max_offset_speed - min_offset_speed) * (nv->speed - min_offset_speed);
1690 transform_get_size(this_->trans, &width, &height);
1691 if (this_->orientation == -1 || keep_orientation) {
1693 p->y=(50 + offset)*height/100;
1695 *dir=keep_orientation?this_->orientation:nv->dir;
1698 if (this_->tracking && this_->tracking_flag) {
1699 mdir = tracking_get_angle(this_->tracking) - this_->orientation;
1701 mdir=nv->dir-this_->orientation;
1704 p->x=(50 - offset*sin(M_PI*mdir/180.))*width/100;
1705 p->y=(50 + offset*cos(M_PI*mdir/180.))*height/100;
1707 *dir=this_->orientation;
1713 navit_set_center_cursor(struct navit *this_, int autozoom, int keep_orientation)
1717 struct navit_vehicle *nv=this_->vehicle;
1718 navit_get_cursor_pnt(this_, &pn, keep_orientation, &dir);
1719 transform_set_yaw(this_->trans, dir);
1720 navit_set_center_coord_screen(this_, &nv->coord, &pn, 0);
1722 navit_autozoom(this_, &nv->coord, nv->speed, 0);
1726 navit_set_center_cursor_draw(struct navit *this_)
1728 navit_set_center_cursor(this_,1,0);
1729 if (this_->ready == 3)
1730 navit_draw_async(this_, 1);
1734 navit_cmd_set_center_cursor(struct navit *this_)
1736 navit_set_center_cursor_draw(this_);
1740 navit_set_center_screen(struct navit *this_, struct point *p, int set_timeout)
1744 transform_reverse(this_->trans, p, &c);
1747 pc.pro = transform_get_projection(this_->trans);
1748 navit_set_center(this_, &pc, set_timeout);
1752 switch((*attrs)->type) {
1754 zoom=(*attrs)->u.num;
1757 g=*((*attrs)->u.coord_geo);
1762 navit_set_attr_do(struct navit *this_, struct attr *attr, int init)
1764 int dir=0, orient_old=0, attr_updated=0;
1768 struct navit_vehicle *nv;
1769 struct attr active=(struct attr){attr_active,{(void *)0}};
1772 switch (attr->type) {
1774 attr_updated=(this_->autozoom_secs != attr->u.num);
1775 this_->autozoom_secs = attr->u.num;
1777 case attr_autozoom_active:
1778 attr_updated=(this_->autozoom_active != attr->u.num);
1779 this_->autozoom_active = attr->u.num;
1782 transform_from_geo(transform_get_projection(this_->trans), attr->u.coord_geo, &co);
1783 dbg(1,"0x%x,0x%x\n",co.x,co.y);
1784 transform_set_center(this_->trans, &co);
1786 case attr_drag_bitmap:
1787 attr_updated=(this_->drag_bitmap != !!attr->u.num);
1788 this_->drag_bitmap=!!attr->u.num;
1791 attr_updated=(this_->flags != attr->u.num);
1792 this_->flags=attr->u.num;
1794 case attr_flags_graphics:
1795 attr_updated=(this_->graphics_flags != attr->u.num);
1796 this_->graphics_flags=attr->u.num;
1799 if (!this_->vehicle)
1801 attr_updated=(this_->vehicle->follow_curr != attr->u.num);
1802 this_->vehicle->follow_curr = attr->u.num;
1805 if(this_->layout_current!=attr->u.layout) {
1806 this_->layout_current=attr->u.layout;
1807 graphics_font_destroy_all(this_->gra);
1808 navit_set_cursors(this_);
1809 if (this_->ready == 3)
1814 case attr_layout_name:
1818 if (!strcmp(lay->name,attr->u.str)) {
1820 attr.type=attr_layout;
1822 return navit_set_attr_do(this_, &attr, init);
1827 case attr_map_border:
1828 if (this_->border != attr->u.num) {
1829 this_->border=attr->u.num;
1833 case attr_orientation:
1834 orient_old=this_->orientation;
1835 this_->orientation=attr->u.num;
1837 if (this_->orientation != -1) {
1838 dir = this_->orientation;
1840 if (this_->vehicle) {
1841 dir = this_->vehicle->dir;
1844 transform_set_yaw(this_->trans, dir);
1845 if (orient_old != this_->orientation) {
1847 if (this_->ready == 3)
1854 case attr_osd_configuration:
1855 dbg(0,"setting osd_configuration to %d (was %d)\n", attr->u.num, this_->osd_configuration);
1856 attr_updated=(this_->osd_configuration != attr->u.num);
1857 this_->osd_configuration=attr->u.num;
1860 attr_updated=(this_->pitch != attr->u.num);
1861 this_->pitch=attr->u.num;
1862 transform_set_pitch(this_->trans, this_->pitch);
1863 if (!init && attr_updated && this_->ready == 3)
1866 case attr_projection:
1867 if(this_->trans && transform_get_projection(this_->trans) != attr->u.projection) {
1868 navit_projection_set(this_, attr->u.projection, !init);
1873 attr_updated=(this_->radius != attr->u.num);
1874 this_->radius=attr->u.num;
1876 case attr_recent_dest:
1877 attr_updated=(this_->recentdest_count != attr->u.num);
1878 this_->recentdest_count=attr->u.num;
1881 if(this_->speech && this_->speech != attr->u.speech) {
1883 this_->speech = attr->u.speech;
1887 attr_updated=(this_->center_timeout != attr->u.num);
1888 this_->center_timeout = attr->u.num;
1891 attr_updated=(this_->tracking_flag != !!attr->u.num);
1892 this_->tracking_flag=!!attr->u.num;
1894 case attr_transformation:
1895 this_->trans=attr->u.transformation;
1897 case attr_use_mousewheel:
1898 attr_updated=(this_->use_mousewheel != !!attr->u.num);
1899 this_->use_mousewheel=!!attr->u.num;
1905 if (nv->vehicle == attr->u.vehicle) {
1906 if (!this_->vehicle || this_->vehicle->vehicle != attr->u.vehicle) {
1908 vehicle_set_attr(this_->vehicle->vehicle, &active);
1910 vehicle_set_attr(nv->vehicle, &active);
1913 navit_set_vehicle(this_, nv);
1919 zoom=transform_get_scale(this_->trans);
1920 attr_updated=(zoom != attr->u.num);
1921 transform_set_scale(this_->trans, attr->u.num);
1922 if (attr_updated && !init)
1926 attr_updated=(attr->u.num != this_->zoom_min);
1927 this_->zoom_min=attr->u.num;
1930 attr_updated=(attr->u.num != this_->zoom_max);
1931 this_->zoom_max=attr->u.num;
1934 navit_add_message(this_, attr->u.str);
1936 case attr_follow_cursor:
1937 attr_updated=(this_->follow_cursor != !!attr->u.num);
1938 this_->follow_cursor=!!attr->u.num;
1943 if (attr_updated && !init) {
1944 callback_list_call_attr_2(this_->attr_cbl, attr->type, this_, attr);
1945 if (attr->type == attr_osd_configuration)
1946 graphics_draw_mode(this_->gra, draw_mode_end);
1952 navit_set_attr(struct navit *this_, struct attr *attr)
1954 return navit_set_attr_do(this_, attr, 0);
1958 navit_get_attr(struct navit *this_, enum attr_type type, struct attr *attr, struct attr_iter *iter)
1960 struct message *msg;
1966 msg = navit_get_messages(this_);
1974 len += strlen(msg->text) + 1;
1977 attr->u.str = g_malloc(len + 1);
1979 msg = navit_get_messages(this_);
1982 g_stpcpy((attr->u.str + offset), msg->text);
1983 offset += strlen(msg->text);
1984 attr->u.str[offset] = '\n';
1990 attr->u.str[len] = '\0';
1992 case attr_bookmark_map:
1993 attr->u.map=bookmarks_get_map(this_->bookmarks);
1995 case attr_bookmarks:
1996 attr->u.bookmarks=this_->bookmarks;
1998 case attr_callback_list:
1999 attr->u.callback_list=this_->attr_cbl;
2001 case attr_destination:
2002 if (! this_->destination_valid)
2004 attr->u.pcoord=&this_->destination;
2006 case attr_displaylist:
2007 attr->u.displaylist=this_->displaylist;
2008 return (attr->u.displaylist != NULL);
2010 if (!this_->vehicle)
2012 attr->u.num=this_->vehicle->follow_curr;
2014 case attr_former_destination_map:
2015 attr->u.map=this_->former_destination;
2018 attr->u.graphics=this_->gra;
2019 ret=(attr->u.graphics != NULL);
2022 attr->u.gui=this_->gui;
2023 ret=(attr->u.gui != NULL);
2028 iter->u.list=g_list_next(iter->u.list);
2030 iter->u.list=this_->layouts;
2034 attr->u.layout=(struct layout *)iter->u.list->data;
2036 attr->u.layout=this_->layout_current;
2040 if (iter && this_->mapsets) {
2041 if (!iter->u.mapset_handle) {
2042 iter->u.mapset_handle=mapset_open((struct mapset *)this_->mapsets->data);
2044 attr->u.map=mapset_next(iter->u.mapset_handle, 0);
2046 mapset_close(iter->u.mapset_handle);
2054 attr->u.mapset=this_->mapsets->data;
2055 ret=(attr->u.mapset != NULL);
2057 case attr_navigation:
2058 attr->u.navigation=this_->navigation;
2060 case attr_orientation:
2061 attr->u.num=this_->orientation;
2063 case attr_osd_configuration:
2064 attr->u.num=this_->osd_configuration;
2067 attr->u.num=transform_get_pitch(this_->trans);
2069 case attr_projection:
2071 attr->u.num=transform_get_projection(this_->trans);
2077 attr->u.route=this_->route;
2080 attr->u.speech=this_->speech;
2083 attr->u.num=this_->tracking_flag;
2085 case attr_trackingo:
2086 attr->u.tracking=this_->tracking;
2088 case attr_transformation:
2089 attr->u.transformation=this_->trans;
2094 iter->u.list=g_list_next(iter->u.list);
2096 iter->u.list=this_->vehicles;
2100 attr->u.vehicle=((struct navit_vehicle*)iter->u.list->data)->vehicle;
2102 if(this_->vehicle) {
2103 attr->u.vehicle=this_->vehicle->vehicle;
2109 case attr_vehicleprofile:
2110 attr->u.vehicleprofile=this_->vehicleprofile;
2113 attr->u.num=transform_get_scale(this_->trans);
2115 case attr_autozoom_active:
2116 attr->u.num=this_->autozoom_active;
2118 case attr_follow_cursor:
2119 attr->u.num=this_->follow_cursor;
2129 navit_add_log(struct navit *this_, struct log *log)
2131 struct attr type_attr;
2132 if (!log_get_attr(log, attr_type, &type_attr, NULL))
2134 if (!strcmp(type_attr.u.str, "textfile_debug")) {
2135 char *header = "type=track_tracked\n";
2136 if (this_->textfile_debug_log)
2138 log_set_header(log, header, strlen(header));
2139 this_->textfile_debug_log=log;
2146 navit_add_attr(struct navit *this_, struct attr *attr)
2149 switch (attr->type) {
2151 navit_add_callback(this_, attr->u.callback);
2154 ret=navit_add_log(this_, attr->u.log);
2157 ret=navit_set_gui(this_, attr->u.gui);
2160 ret=navit_set_graphics(this_, attr->u.graphics);
2163 this_->layouts = g_list_append(this_->layouts, attr->u.layout);
2164 if(!this_->layout_current)
2165 this_->layout_current=attr->u.layout;
2168 this_->route=attr->u.route;
2171 this_->mapsets = g_list_append(this_->mapsets, attr->u.mapset);
2173 case attr_navigation:
2174 this_->navigation=attr->u.navigation;
2176 case attr_recent_dest:
2177 this_->recentdest_count = attr->u.num;
2180 this_->speech=attr->u.speech;
2183 this_->tracking=attr->u.tracking;
2186 ret=navit_add_vehicle(this_, attr->u.vehicle);
2188 case attr_vehicleprofile:
2189 this_->vehicleprofiles=g_list_prepend(this_->vehicleprofiles, attr->u.vehicleprofile);
2191 case attr_autozoom_min:
2192 this_->autozoom_min = attr->u.num;
2197 callback_list_call_attr_2(this_->attr_cbl, attr->type, this_, attr);
2202 navit_remove_attr(struct navit *this_, struct attr *attr)
2205 switch (attr->type) {
2207 navit_remove_callback(this_, attr->u.callback);
2216 navit_attr_iter_new(void)
2218 return g_new0(struct attr_iter, 1);
2222 navit_attr_iter_destroy(struct attr_iter *iter)
2228 navit_add_callback(struct navit *this_, struct callback *cb)
2230 callback_list_add(this_->attr_cbl, cb);
2234 navit_remove_callback(struct navit *this_, struct callback *cb)
2236 callback_list_remove(this_->attr_cbl, cb);
2240 * Toggle the cursor update : refresh the map each time the cursor has moved (instead of only when it reaches a border)
2242 * @param navit The navit instance
2247 navit_vehicle_draw(struct navit *this_, struct navit_vehicle *nv, struct point *pnt)
2249 struct point cursor_pnt;
2250 enum projection pro;
2257 pro=transform_get_projection(this_->trans_cursor);
2260 transform(this_->trans_cursor, pro, &nv->coord, &cursor_pnt, 1, 0, 0, NULL);
2262 vehicle_draw(nv->vehicle, this_->gra, &cursor_pnt, pnt ? 0:1, nv->dir-transform_get_yaw(this_->trans_cursor), nv->speed);
2267 pro=transform_get_projection(this_->trans);
2268 transform(this_->trans, pro, &nv->coord, &pnt2, 1);
2271 cursor_draw(nv->cursor, &pnt2, nv->dir-transform_get_angle(this_->trans, 0), nv->speed > 2, pnt == NULL);
2273 cursor_draw(nv->cursor, &pnt2, nv->dir-transform_get_angle(this_->trans, 0), nv->speed > 2, 1);
2279 navit_vehicle_update(struct navit *this_, struct navit_vehicle *nv)
2281 struct attr attr_valid, attr_dir, attr_speed, attr_pos;
2282 struct pcoord cursor_pc;
2283 struct point cursor_pnt, *pnt=&cursor_pnt;
2284 struct tracking *tracking=NULL;
2285 struct pcoord pc[16];
2286 enum projection pro=transform_get_projection(this_->trans_cursor);
2288 int (*get_attr)(void *, enum attr_type, struct attr *, struct attr_iter *);
2290 char *destination_file;
2293 if (this_->ready != 3) {
2294 profile(0,"return 1\n");
2297 navit_layout_switch(this_);
2298 if (this_->vehicle == nv && this_->tracking_flag)
2299 tracking=this_->tracking;
2301 tracking_update(tracking, nv->vehicle, this_->vehicleprofile, pro);
2302 attr_object=tracking;
2303 get_attr=(int (*)(void *, enum attr_type, struct attr *, struct attr_iter *))tracking_get_attr;
2305 attr_object=nv->vehicle;
2306 get_attr=(int (*)(void *, enum attr_type, struct attr *, struct attr_iter *))vehicle_get_attr;
2308 if (get_attr(attr_object, attr_position_valid, &attr_valid, NULL))
2309 if (!attr_valid.u.num != attr_position_valid_invalid)
2311 if (! get_attr(attr_object, attr_position_direction, &attr_dir, NULL) ||
2312 ! get_attr(attr_object, attr_position_speed, &attr_speed, NULL) ||
2313 ! get_attr(attr_object, attr_position_coord_geo, &attr_pos, NULL)) {
2314 profile(0,"return 2\n");
2317 nv->dir=*attr_dir.u.numd;
2318 nv->speed=*attr_speed.u.numd;
2319 transform_from_geo(pro, attr_pos.u.coord_geo, &nv->coord);
2320 if (nv != this_->vehicle) {
2321 navit_vehicle_draw(this_, nv, NULL);
2322 profile(0,"return 3\n");
2325 cursor_pc.x = nv->coord.x;
2326 cursor_pc.y = nv->coord.y;
2327 cursor_pc.pro = pro;
2330 route_set_position_from_tracking(this_->route, tracking, pro);
2332 route_set_position(this_->route, &cursor_pc);
2334 callback_list_call_attr_0(this_->attr_cbl, attr_position);
2335 navit_textfile_debug_log(this_, "type=trackpoint_tracked");
2336 if (this_->gui && nv->speed > 2)
2337 navit_disable_suspend();
2339 transform(this_->trans_cursor, pro, &nv->coord, &cursor_pnt, 1, 0, 0, NULL);
2340 if (this_->button_pressed != 1 && this_->follow_cursor && nv->follow_curr <= nv->follow &&
2341 (nv->follow_curr == 1 || !transform_within_border(this_->trans_cursor, &cursor_pnt, this_->border)))
2342 navit_set_center_cursor_draw(this_);
2344 navit_vehicle_draw(this_, nv, pnt);
2346 if (nv->follow_curr > 1)
2349 nv->follow_curr=nv->follow;
2350 callback_list_call_attr_2(this_->attr_cbl, attr_position_coord_geo, this_, nv->vehicle);
2352 /* Finally, if we reached our destination, stop navigation. */
2354 switch(route_destination_reached(this_->route)) {
2356 route_remove_waypoint(this_->route);
2357 count=route_get_destinations(this_->route, pc, 16);
2358 destination_file = bookmarks_get_destination_file(TRUE);
2359 bookmarks_append_coord(this_->bookmarks, destination_file, pc, count, "former_itinerary_part", NULL, NULL, this_->recentdest_count);
2362 navit_set_destination(this_, NULL, NULL, 0);
2366 profile(0,"return 5\n");
2370 * Set the position of the vehicle
2372 * @param navit The navit instance
2373 * @param c The coordinate to set as position
2378 navit_set_position(struct navit *this_, struct pcoord *c)
2381 route_set_position(this_->route, c);
2382 callback_list_call_attr_0(this_->attr_cbl, attr_position);
2384 if (this_->ready == 3)
2389 navit_set_vehicleprofile(struct navit *this_, char *name)
2393 l=this_->vehicleprofiles;
2395 if (vehicleprofile_get_attr(l->data, attr_name, &attr, NULL)) {
2396 if (!strcmp(attr.u.str, name)) {
2397 this_->vehicleprofile=l->data;
2399 route_set_profile(this_->route, this_->vehicleprofile);
2409 navit_set_vehicle(struct navit *this_, struct navit_vehicle *nv)
2413 if (nv && vehicle_get_attr(nv->vehicle, attr_profilename, &attr, NULL)) {
2414 if (navit_set_vehicleprofile(this_, attr.u.str))
2417 if (!navit_set_vehicleprofile(this_,"car")) {
2418 /* We do not have a fallback "car" profile
2419 * so lets set any profile */
2421 l=this_->vehicleprofiles;
2423 this_->vehicleprofile=l->data;
2425 route_set_profile(this_->route, this_->vehicleprofile);
2431 * Register a new vehicle
2433 * @param navit The navit instance
2434 * @param v The vehicle instance
2435 * @returns 1 for success
2438 navit_add_vehicle(struct navit *this_, struct vehicle *v)
2440 struct navit_vehicle *nv=g_new0(struct navit_vehicle, 1);
2441 struct attr follow, active, animate;
2446 nv->animate_cursor=0;
2447 if ((vehicle_get_attr(v, attr_follow, &follow, NULL)))
2448 nv->follow=follow.u.num;
2449 nv->follow_curr=nv->follow;
2450 this_->vehicles=g_list_append(this_->vehicles, nv);
2451 if ((vehicle_get_attr(v, attr_active, &active, NULL)) && active.u.num)
2452 navit_set_vehicle(this_, nv);
2453 if ((vehicle_get_attr(v, attr_animate, &animate, NULL)))
2454 nv->animate_cursor=animate.u.num;
2455 nv->callback.type=attr_callback;
2456 nv->callback.u.callback=callback_new_attr_2(callback_cast(navit_vehicle_update), attr_position_coord_geo, this_, nv);
2457 vehicle_add_attr(nv->vehicle, &nv->callback);
2458 vehicle_set_attr(nv->vehicle, &this_->self);
2466 navit_get_gui(struct navit *this_)
2471 struct transformation *
2472 navit_get_trans(struct navit *this_)
2474 return this_->trans;
2478 navit_get_route(struct navit *this_)
2480 return this_->route;
2484 navit_get_navigation(struct navit *this_)
2486 return this_->navigation;
2489 struct displaylist *
2490 navit_get_displaylist(struct navit *this_)
2492 return this_->displaylist;
2496 navit_layout_switch(struct navit *n)
2500 struct attr iso8601_attr,geo_attr,valid_attr,layout_attr;
2501 double trise,tset,trise_actual;
2503 int year, month, day;
2505 if (navit_get_attr(n,attr_layout,&layout_attr,NULL)!=1) {
2506 return; //No layout - nothing to switch
2510 l=layout_attr.u.layout;
2512 if (l->dayname || l->nightname) {
2513 //Ok, we know that we have profile to switch
2515 //Check that we aren't calculating too fast
2516 if (vehicle_get_attr(n->vehicle->vehicle, attr_position_time_iso8601,&iso8601_attr,NULL)==1) {
2517 currTs=iso8601_to_secs(iso8601_attr.u.str);
2518 dbg(1,"currTs: %u:%u\n",currTs%86400/3600,((currTs%86400)%3600)/60);
2520 if (currTs-(n->prevTs)<60) {
2521 //We've have to wait a little
2524 if (sscanf(iso8601_attr.u.str,"%d-%02d-%02dT",&year,&month,&day) != 3)
2526 if (vehicle_get_attr(n->vehicle->vehicle, attr_position_valid, &valid_attr,NULL) && valid_attr.u.num==attr_position_valid_invalid) {
2527 return; //No valid fix yet
2529 if (vehicle_get_attr(n->vehicle->vehicle, attr_position_coord_geo,&geo_attr,NULL)!=1) {
2530 //No position - no sun
2534 //We calculate sunrise anyway, cause it is needed both for day and for night
2535 if (__sunriset__(year,month,day,geo_attr.u.coord_geo->lng,geo_attr.u.coord_geo->lat,-5,1,&trise,&tset)!=0) {
2536 //near the pole sun never rises/sets, so we should never switch profiles
2537 dbg(1,"trise: %u:%u, sun never visible, never switch profile\n",HOURS(trise),MINUTES(trise));
2543 dbg(1,"trise: %u:%u\n",HOURS(trise),MINUTES(trise));
2546 if ((HOURS(trise)*60+MINUTES(trise)==(currTs%86400)/60) ||
2547 (n->prevTs==0 && ((HOURS(trise)*60+MINUTES(trise)<(currTs%86400)/60)))) {
2548 //The sun is rising now!
2549 if (strcmp(l->name,l->dayname)) {
2550 navit_set_layout_by_name(n,l->dayname);
2555 if (__sunriset__(year,month,day,geo_attr.u.coord_geo->lng,geo_attr.u.coord_geo->lat,-5,1,&trise,&tset)!=0) {
2556 //near the pole sun never rises/sets, so we should never switch profiles
2557 dbg(1,"tset: %u:%u, sun always visible, never switch profile\n",HOURS(tset),MINUTES(tset));
2561 dbg(1,"tset: %u:%u\n",HOURS(tset),MINUTES(tset));
2562 if (HOURS(tset)*60+MINUTES(tset)==((currTs%86400)/60)
2563 || (n->prevTs==0 && (((HOURS(tset)*60+MINUTES(tset)<(currTs%86400)/60)) ||
2564 ((HOURS(trise_actual)*60+MINUTES(trise_actual)>(currTs%86400)/60))))) {
2566 if (strcmp(l->name,l->nightname)) {
2567 navit_set_layout_by_name(n,l->nightname);
2577 navit_set_vehicle_by_name(struct navit *n,const char *name)
2580 struct attr_iter *iter;
2581 struct attr vehicle_attr, name_attr;
2583 iter=navit_attr_iter_new();
2585 while (navit_get_attr(n,attr_vehicle,&vehicle_attr,iter)) {
2586 v=vehicle_attr.u.vehicle;
2587 vehicle_get_attr(v,attr_name,&name_attr,NULL);
2588 if (name_attr.type==attr_name) {
2589 if (!strcmp(name,name_attr.u.str)) {
2590 navit_set_attr(n,&vehicle_attr);
2591 navit_attr_iter_destroy(iter);
2596 navit_attr_iter_destroy(iter);
2601 navit_set_layout_by_name(struct navit *n,const char *name)
2604 struct attr_iter iter;
2605 struct attr layout_attr;
2609 if (navit_get_attr(n,attr_layout,&layout_attr,&iter)!=1) {
2610 return 0; //No layouts - nothing to do
2612 if (iter.u.list==NULL) {
2616 iter.u.list=g_list_first(iter.u.list);
2618 while(iter.u.list) {
2619 l=(struct layout*)iter.u.list->data;
2620 if (!strcmp(name,l->name)) {
2621 layout_attr.u.layout=l;
2622 layout_attr.type=attr_layout;
2623 navit_set_attr(n,&layout_attr);
2624 iter.u.list=g_list_first(iter.u.list);
2627 iter.u.list=g_list_next(iter.u.list);
2630 iter.u.list=g_list_first(iter.u.list);
2635 navit_disable_suspend() {
2636 gui_disable_suspend(global_navit->gui);
2637 callback_list_call_attr_0(global_navit->attr_cbl,attr_unsuspend);
2641 navit_block(struct navit *this_, int block)
2644 this_->blocked |= 1;
2645 if (graphics_draw_cancel(this_->gra, this_->displaylist))
2646 this_->blocked |= 2;
2649 if ((this_->blocked & 2) || block < 0) {
2659 navit_destroy(struct navit *this_)
2661 callback_list_call_attr_1(this_->attr_cbl, attr_destroy, this_);
2663 /* TODO: destroy objects contained in this_ */
2665 vehicle_destroy(this_->vehicle->vehicle);
2666 if (this_->bookmarks) {
2667 char *center_file = bookmarks_get_center_file(TRUE);
2668 bookmarks_write_center_to_file(this_->bookmarks, center_file);
2669 g_free(center_file);
2670 bookmarks_destroy(this_->bookmarks);
2672 callback_destroy(this_->nav_speech_cb);
2673 callback_destroy(this_->roadbook_callback);
2674 callback_destroy(this_->popup_callback);
2675 callback_destroy(this_->motion_timeout_callback);
2677 graphics_remove_callback(this_->gra, this_->resize_callback);
2678 callback_destroy(this_->resize_callback);
2680 graphics_remove_callback(this_->gra, this_->button_callback);
2681 callback_destroy(this_->button_callback);
2683 graphics_remove_callback(this_->gra, this_->motion_callback);
2684 callback_destroy(this_->motion_callback);
2686 graphics_remove_callback(this_->gra, this_->predraw_callback);
2687 callback_destroy(this_->predraw_callback);
2688 route_destroy(this_->route);