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_text_std(this_->gra, 32, str, &p);
274 graphics_draw_mode(this_->gra, draw_mode_end);
281 navit_redraw_route(struct navit *this_, struct route *route, struct attr *attr)
284 if (attr->type != attr_route_status)
287 if (this_->ready != 3)
289 if (updated != route_status_path_done_new)
291 if (this_->vehicle) {
292 if (this_->vehicle->follow_curr == 1)
294 if (this_->vehicle->follow_curr <= this_->vehicle->follow)
295 this_->vehicle->follow_curr=this_->vehicle->follow;
301 navit_handle_resize(struct navit *this_, int w, int h)
303 struct map_selection sel;
304 int callback=(this_->ready == 1);
306 memset(&sel, 0, sizeof(sel));
311 transform_set_screen_selection(this_->trans, &sel);
312 graphics_init(this_->gra);
313 graphics_set_rect(this_->gra, &sel.u.p_rect);
315 callback_list_call_attr_1(this_->attr_cbl, attr_graphics_ready, this_);
316 if (this_->ready == 3)
317 navit_draw_async(this_, 1);
321 navit_resize(void *data, int w, int h)
323 struct navit *this=data;
324 if (!this->ignore_graphics_events)
325 navit_handle_resize(this, w, h);
329 navit_get_width(struct navit *this_)
336 navit_get_height(struct navit *this_)
342 navit_popup(void *data)
344 struct navit *this_=data;
345 popup(this_, 1, &this_->pressed);
346 this_->button_timeout=NULL;
352 navit_ignore_button(struct navit *this_)
354 if (this_->ignore_button)
356 this_->ignore_button=1;
361 navit_ignore_graphics_events(struct navit *this_, int ignore)
363 this_->ignore_graphics_events=ignore;
367 update_transformation(struct transformation *tr, struct point *old, struct point *new, struct point *rot)
372 double angleo,anglen;
374 if (!transform_reverse(tr, old, &co))
377 angleo=atan2(old->y-rot->y, old->x-rot->x)*180/M_PI;
378 anglen=atan2(new->y-rot->y, new->x-rot->x)*180/M_PI;
379 yaw=transform_get_yaw(tr)+angleo-anglen;
380 transform_set_yaw(tr, yaw % 360);
382 if (!transform_reverse(tr, new, &cn))
384 cp=transform_get_center(tr);
387 dbg(1,"from 0x%x,0x%x to 0x%x,0x%x\n", cp->x, cp->y, c.x, c.y);
388 transform_set_center(tr, &c);
392 navit_set_timeout(struct navit *this_)
395 follow.type=attr_follow;
396 follow.u.num=this_->center_timeout;
397 navit_set_attr(this_, &follow);
401 navit_handle_button(struct navit *this_, int pressed, int button, struct point *p, struct callback *popup_callback)
405 dbg(1,"enter %d %d (ignore %d)\n",pressed,button,this_->ignore_button);
406 callback_list_call_attr_4(this_->attr_cbl, attr_button, this_, GINT_TO_POINTER(pressed), GINT_TO_POINTER(button), p);
407 if (this_->ignore_button) {
408 this_->ignore_button=0;
416 this_->button_pressed=1;
420 this_->button_timeout=event_add_timeout(500, 0, popup_callback);
423 navit_set_center_screen(this_, p, 1);
425 popup(this_, button, p);
426 if (button == 4 && this_->use_mousewheel) {
428 navit_zoom_in(this_, 2, p);
430 if (button == 5 && this_->use_mousewheel) {
432 navit_zoom_out(this_, 2, p);
436 this_->button_pressed=0;
437 if (this_->button_timeout) {
438 event_remove_timeout(this_->button_timeout);
439 this_->button_timeout=NULL;
440 if (! this_->moved && ! transform_within_border(this_->trans, p, border)) {
441 navit_set_center_screen(this_, p, !this_->zoomed);
444 if (this_->motion_timeout) {
445 event_remove_timeout(this_->motion_timeout);
446 this_->motion_timeout=NULL;
453 update_transformation(this_->trans, &this_->pressed, p, &pr);
455 update_transformation(this_->trans, &this_->pressed, p, NULL);
457 graphics_draw_drag(this_->gra, NULL);
458 transform_copy(this_->trans, this_->trans_cursor);
459 graphics_overlay_disable(this_->gra, 0);
461 navit_set_timeout(this_);
470 navit_button(void *data, int pressed, int button, struct point *p)
472 struct navit *this=data;
473 dbg(1,"enter %d %d ignore %d\n",pressed,button,this->ignore_graphics_events);
474 if (!this->ignore_graphics_events) {
475 if (! this->popup_callback)
476 this->popup_callback=callback_new_1(callback_cast(navit_popup), this);
477 navit_handle_button(this, pressed, button, p, this->popup_callback);
483 navit_motion_timeout(struct navit *this_)
487 if (this_->drag_bitmap) {
489 point.x=(this_->current.x-this_->pressed.x);
490 point.y=(this_->current.y-this_->pressed.y);
491 if (graphics_draw_drag(this_->gra, &point)) {
492 graphics_overlay_disable(this_->gra, 1);
493 graphics_draw_mode(this_->gra, draw_mode_end);
495 this_->motion_timeout=NULL;
499 dx=(this_->current.x-this_->last.x);
500 dy=(this_->current.y-this_->last.y);
502 struct transformation *tr;
504 this_->last=this_->current;
505 graphics_overlay_disable(this_->gra, 1);
506 tr=transform_dup(this_->trans);
510 update_transformation(tr, &this_->pressed, &this_->current, &pr);
512 update_transformation(tr, &this_->pressed, &this_->current, NULL);
515 graphics_displaylist_move(this_->displaylist, dx, dy);
517 graphics_draw_cancel(this_->gra, this_->displaylist);
518 graphics_displaylist_draw(this_->gra, this_->displaylist, tr, this_->layout_current, this_->graphics_flags);
519 transform_destroy(tr);
522 this_->motion_timeout=NULL;
527 navit_handle_motion(struct navit *this_, struct point *p)
531 if (this_->button_pressed && !this_->popped) {
532 dx=(p->x-this_->pressed.x);
533 dy=(p->y-this_->pressed.y);
534 if (dx < -8 || dx > 8 || dy < -8 || dy > 8) {
536 if (this_->button_timeout) {
537 event_remove_timeout(this_->button_timeout);
538 this_->button_timeout=NULL;
541 if (! this_->motion_timeout_callback)
542 this_->motion_timeout_callback=callback_new_1(callback_cast(navit_motion_timeout), this_);
543 if (! this_->motion_timeout)
544 this_->motion_timeout=event_add_timeout(100, 0, this_->motion_timeout_callback);
550 navit_motion(void *data, struct point *p)
552 struct navit *this=data;
553 if (!this->ignore_graphics_events)
554 navit_handle_motion(this, p);
558 navit_predraw(struct navit *this_)
561 struct navit_vehicle *nv;
562 transform_copy(this_->trans, this_->trans_cursor);
566 navit_vehicle_draw(this_, nv, NULL);
572 navit_scale(struct navit *this_, long scale, struct point *p, int draw)
574 struct coord c1, c2, *center;
575 if (scale < this_->zoom_min)
576 scale=this_->zoom_min;
577 if (scale > this_->zoom_max)
578 scale=this_->zoom_max;
580 transform_reverse(this_->trans, p, &c1);
581 transform_set_scale(this_->trans, scale);
583 transform_reverse(this_->trans, p, &c2);
584 center = transform_center(this_->trans);
585 center->x += c1.x - c2.x;
586 center->y += c1.y - c2.y;
593 * @brief Automatically adjusts zoom level
595 * This function automatically adjusts the current
596 * zoom level according to the current speed.
598 * @param this_ The navit struct
599 * @param center The "immovable" point - i.e. the vehicles position if we're centering on the vehicle
600 * @param speed The vehicles speed in meters per second
601 * @param dir The direction into which the vehicle moves
604 navit_autozoom(struct navit *this_, struct coord *center, int speed, int draw)
611 if (! this_->autozoom_active) {
615 distance = speed * this_->autozoom_secs;
617 transform_get_size(this_->trans, &w, &h);
618 transform(this_->trans, transform_get_projection(this_->trans), center, &pc, 1, 0, 0, NULL);
619 scale = transform_get_scale(this_->trans);
621 /* We make sure that the point we want to see is within a certain range
622 * around the vehicle. The radius of this circle is the size of the
623 * screen. This doesn't necessarily mean the point is visible because of
624 * perspective etc. Quite rough, but should be enough. */
627 new_scale = (double)distance / h * 16;
629 new_scale = (double)distance / w * 16;
632 if (abs(new_scale - scale) < 2) {
636 if (new_scale >= this_->autozoom_min) {
637 navit_scale(this_, (long)new_scale, &pc, 0);
639 if (scale != this_->autozoom_min) {
640 navit_scale(this_, this_->autozoom_min, &pc, 0);
646 * Change the current zoom level, zooming closer to the ground
648 * @param navit The navit instance
649 * @param factor The zoom factor, usually 2
650 * @param p The invariant point (if set to NULL, default to center)
654 navit_zoom_in(struct navit *this_, int factor, struct point *p)
656 long scale=transform_get_scale(this_->trans)/factor;
659 navit_scale(this_, scale, p, 1);
663 * Change the current zoom level
665 * @param navit The navit instance
666 * @param factor The zoom factor, usually 2
667 * @param p The invariant point (if set to NULL, default to center)
671 navit_zoom_out(struct navit *this_, int factor, struct point *p)
673 long scale=transform_get_scale(this_->trans)*factor;
674 navit_scale(this_, scale, p, 1);
678 navit_zoom_in_cursor(struct navit *this_, int factor)
681 if (this_->vehicle && this_->vehicle->follow_curr <= 1 && navit_get_cursor_pnt(this_, &p, 0, NULL)) {
682 navit_zoom_in(this_, factor, &p);
683 this_->vehicle->follow_curr=this_->vehicle->follow;
685 navit_zoom_in(this_, factor, NULL);
689 navit_zoom_out_cursor(struct navit *this_, int factor)
692 if (this_->vehicle && this_->vehicle->follow_curr <= 1 && navit_get_cursor_pnt(this_, &p, 0, NULL)) {
693 navit_zoom_out(this_, 2, &p);
694 this_->vehicle->follow_curr=this_->vehicle->follow;
696 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 this_->destination_valid=0;
1080 char *destination_file = bookmarks_get_destination_file(TRUE);
1081 bookmarks_append_coord(this_->bookmarks, destination_file, c, 1, "former_destination", description, NULL, this_->recentdest_count);
1082 g_free(destination_file);
1083 callback_list_call_attr_0(this_->attr_cbl, attr_destination);
1085 route_set_destination(this_->route, c, async);
1087 if (this_->ready == 3)
1093 * Start the route computing to a given set of coordinates including waypoints
1095 * @param navit The navit instance
1096 * @param c The coordinate to start routing to
1097 * @param description A label which allows the user to later identify this destination in the former destinations selection
1101 navit_set_destinations(struct navit *this_, struct pcoord *c, int count, const char *description, int async)
1104 this_->destination=c[count-1];
1105 this_->destination_valid=1;
1107 this_->destination_valid=0;
1108 char *destination_file = bookmarks_get_destination_file(TRUE);
1109 bookmarks_append_coord(this_->bookmarks, destination_file, c, count, "former_itinerary", description, NULL, this_->recentdest_count);
1110 g_free(destination_file);
1111 callback_list_call_attr_0(this_->attr_cbl, attr_destination);
1113 route_set_destinations(this_->route, c, count, async);
1115 if (this_->ready == 3)
1121 * @brief Checks if a route is calculated
1123 * This function checks if a route is calculated.
1125 * @param this_ The navit struct whose route should be checked.
1126 * @return True if the route is set, false otherwise.
1129 navit_check_route(struct navit *this_)
1132 return route_get_path_set(this_->route);
1139 navit_former_destinations_active(struct navit *this_)
1141 char *destination_file = bookmarks_get_destination_file(FALSE);
1145 f=fopen(destination_file,"r");
1147 if(!fseek(f, -2, SEEK_END) && fread(buffer, 2, 1, f) == 1 && (buffer[0]!='\n' || buffer[1]!='\n'))
1151 g_free(destination_file);
1156 navit_add_former_destinations_from_file(struct navit *this_)
1158 char *destination_file = bookmarks_get_destination_file(FALSE);
1159 struct attr parent={attr_navit, .u.navit=this_};
1160 struct attr type={attr_type, {"textfile"}}, data={attr_data, {destination_file}}, flags={attr_flags, {(void *)1}};
1161 struct attr *attrs[]={&type, &data, &flags, NULL};
1162 struct map_rect *mr;
1164 int i,valid=0,count=0;
1166 struct pcoord pc[16];
1168 this_->former_destination=map_new(&parent, attrs);
1169 g_free(destination_file);
1170 if (!this_->route || !navit_former_destinations_active(this_))
1172 mr=map_rect_new(this_->former_destination, NULL);
1173 while ((item=map_rect_get_item(mr))) {
1174 if ((item->type == type_former_destination || item->type == type_former_itinerary || item->type == type_former_itinerary_part) && (count=item_coord_get(item, c, 16)))
1177 map_rect_destroy(mr);
1178 if (valid && count > 0) {
1179 for (i = 0 ; i < count ; i++) {
1180 pc[i].pro=map_projection(this_->former_destination);
1185 route_set_destination(this_->route, &pc[0], 1);
1187 route_set_destinations(this_->route, pc, count, 1);
1188 this_->destination=pc[count-1];
1189 this_->destination_valid=1;
1195 navit_textfile_debug_log(struct navit *this_, const char *fmt, ...)
1200 if (this_->textfile_debug_log && this_->vehicle) {
1201 str1=g_strdup_vprintf(fmt, ap);
1202 str2=g_strdup_printf("0x%x 0x%x%s%s\n", this_->vehicle->coord.x, this_->vehicle->coord.y, strlen(str1) ? " " : "", str1);
1203 log_write(this_->textfile_debug_log, str2, strlen(str2), 0);
1211 navit_speech_estimate(struct navit *this_, char *str)
1213 return speech_estimate_duration(this_->speech, str);
1217 navit_say(struct navit *this_, char *text)
1220 speech_say(this_->speech, text);
1225 * @brief Toggles the navigation announcer for navit
1226 * @param this_ The navit object
1229 navit_cmd_announcer_toggle(struct navit *this_)
1231 struct attr attr, speechattr;
1233 // search for the speech attribute
1234 if(!navit_get_attr(this_, attr_speech, &speechattr, NULL))
1236 // find out if the corresponding attribute attr_active has been set
1237 if(speech_get_attr(speechattr.u.speech, attr_active, &attr, NULL)) {
1239 attr.u.num = !attr.u.num;
1241 // otherwise disable it because voice is enabled by default
1242 attr.type = attr_active;
1246 // apply the new state
1247 if(!speech_set_attr(speechattr.u.speech, &attr))
1250 // announce that the speech attribute has changed
1251 callback_list_call_attr_0(this_->attr_cbl, attr_speech);
1255 navit_speak(struct navit *this_)
1257 struct navigation *nav=this_->navigation;
1258 struct map *map=NULL;
1259 struct map_rect *mr=NULL;
1263 if (!speech_get_attr(this_->speech, attr_active, &attr, NULL))
1265 dbg(1, "this_.speech->active %i\n", attr.u.num);
1270 map=navigation_get_map(nav);
1272 mr=map_rect_new(map, NULL);
1274 while ((item=map_rect_get_item(mr)) && (item->type == type_nav_position || item->type == type_nav_none));
1275 if (item && item_attr_get(item, attr_navigation_speech, &attr)) {
1276 speech_say(this_->speech, attr.u.str);
1277 navit_add_message(this_, attr.u.str);
1278 navit_textfile_debug_log(this_, "type=announcement label=\"%s\"", attr.u.str);
1280 map_rect_destroy(mr);
1285 navit_window_roadbook_update(struct navit *this_)
1287 struct navigation *nav=this_->navigation;
1288 struct map *map=NULL;
1289 struct map_rect *mr=NULL;
1292 struct param_list param[5];
1296 datawindow_mode(this_->roadbook_window, 1);
1298 map=navigation_get_map(nav);
1300 mr=map_rect_new(map, NULL);
1301 dbg(0,"nav=%p map=%p mr=%p\n", nav, map, mr);
1303 dbg(0,"while loop\n");
1304 while ((item=map_rect_get_item(mr))) {
1305 dbg(0,"item=%p\n", item);
1307 if (item->type != type_nav_position) {
1308 item_attr_get(item, attr_navigation_long, &attr);
1309 if (attr.u.str == NULL) {
1312 dbg(2, "Command='%s'\n", attr.u.str);
1313 param[0].value=g_strdup(attr.u.str);
1315 param[0].value=_("Position");
1316 param[0].name=_("Command");
1318 item_attr_get(item, attr_length, &attr);
1319 dbg(2, "Length=%d\n", attr.u.num);
1320 param[1].name=_("Length");
1322 if ( attr.u.num >= 2000 )
1324 param[1].value=g_strdup_printf("%5.1f %s",(float)attr.u.num / 1000, _("km") );
1328 param[1].value=g_strdup_printf("%7d %s",attr.u.num, _("m"));
1331 item_attr_get(item, attr_time, &attr);
1332 dbg(2, "Time=%d\n", attr.u.num);
1334 param[2].name=_("Time");
1337 param[2].value=g_strdup_printf("%d:%02d:%02d",secs / 60, ( secs / 60 ) % 60 , secs % 60);
1341 param[2].value=g_strdup_printf("%d:%02d",secs / 60, secs % 60);
1344 item_attr_get(item, attr_destination_length, &attr);
1345 dbg(2, "Destlength=%d\n", attr.u.num);
1346 param[3].name=_("Destination Length");
1347 if ( attr.u.num >= 2000 )
1349 param[3].value=g_strdup_printf("%5.1f %s",(float)attr.u.num / 1000, _("km") );
1353 param[3].value=g_strdup_printf("%d %s",attr.u.num, _("m"));
1356 item_attr_get(item, attr_destination_time, &attr);
1357 dbg(2, "Desttime=%d\n", attr.u.num);
1359 param[4].name=_("Destination Time");
1362 param[4].value=g_strdup_printf("%d:%02d:%02d",secs / 3600, (secs / 60 ) % 60 , secs % 60);
1366 param[4].value=g_strdup_printf("%d:%02d",secs / 60, secs % 60);
1368 datawindow_add(this_->roadbook_window, param, 5);
1370 map_rect_destroy(mr);
1372 datawindow_mode(this_->roadbook_window, 0);
1376 navit_window_roadbook_destroy(struct navit *this_)
1379 navigation_unregister_callback(this_->navigation, attr_navigation_long, this_->roadbook_callback);
1380 this_->roadbook_window=NULL;
1381 this_->roadbook_callback=NULL;
1384 navit_window_roadbook_new(struct navit *this_)
1386 if (!this_->gui || this_->roadbook_callback || this_->roadbook_window) {
1390 this_->roadbook_callback=callback_new_1(callback_cast(navit_window_roadbook_update), this_);
1391 navigation_register_callback(this_->navigation, attr_navigation_long, this_->roadbook_callback);
1392 this_->roadbook_window=gui_datawindow_new(this_->gui, _("Roadbook"), NULL, callback_new_1(callback_cast(navit_window_roadbook_destroy), this_));
1393 navit_window_roadbook_update(this_);
1397 navit_init(struct navit *this_)
1403 dbg(2,"enter gui %p graphics %p\n",this_->gui,this_->gra);
1405 if (!this_->gui && !(this_->flags & 2)) {
1407 navit_destroy(this_);
1410 if (!this_->gra && !(this_->flags & 1)) {
1411 dbg(0,"no graphics\n");
1412 navit_destroy(this_);
1415 dbg(2,"Connecting gui to graphics\n");
1416 if (this_->gui && this_->gra && gui_set_graphics(this_->gui, this_->gra)) {
1417 struct attr attr_type_gui, attr_type_graphics;
1418 gui_get_attr(this_->gui, attr_type, &attr_type_gui, NULL);
1419 graphics_get_attr(this_->gra, attr_type, &attr_type_graphics, NULL);
1420 dbg(0,"failed to connect graphics '%s' to gui '%s'\n", attr_type_graphics.u.str, attr_type_gui.u.str);
1421 dbg(0," Please see http://wiki.navit-project.org/index.php/Failed_to_connect_graphics_to_gui\n");
1422 dbg(0," for explanations and solutions\n");
1424 navit_destroy(this_);
1427 dbg(2,"Initializing graphics\n");
1428 dbg(2,"Setting Vehicle\n");
1429 navit_set_vehicle(this_, this_->vehicle);
1430 dbg(2,"Adding dynamic maps to mapset %p\n",this_->mapsets);
1431 if (this_->mapsets) {
1432 struct mapset_handle *msh;
1433 ms=this_->mapsets->data;
1434 this_->progress_cb=callback_new_attr_1(callback_cast(navit_map_progress), attr_progress, this_);
1435 msh=mapset_open(ms);
1436 while (msh && (map=mapset_next(msh, 0))) {
1437 map_add_callback(map, this_->progress_cb);
1442 if ((map=route_get_map(this_->route)))
1443 mapset_add_attr(ms, &(struct attr){attr_map,.u.map=map});
1444 if ((map=route_get_graph_map(this_->route))) {
1445 mapset_add_attr(ms, &(struct attr){attr_map,.u.map=map});
1446 map_set_attr(map, &(struct attr ){attr_active,.u.num=0});
1448 route_set_mapset(this_->route, ms);
1449 route_set_projection(this_->route, transform_get_projection(this_->trans));
1451 if (this_->tracking) {
1452 tracking_set_mapset(this_->tracking, ms);
1454 tracking_set_route(this_->tracking, this_->route);
1456 if (this_->navigation) {
1457 if ((map=navigation_get_map(this_->navigation))) {
1458 mapset_add_attr(ms, &(struct attr){attr_map,.u.map=map});
1459 map_set_attr(map, &(struct attr ){attr_active,.u.num=0});
1462 if (this_->tracking) {
1463 if ((map=tracking_get_map(this_->tracking))) {
1464 mapset_add_attr(ms, &(struct attr){attr_map,.u.map=map});
1465 map_set_attr(map, &(struct attr ){attr_active,.u.num=0});
1468 navit_add_former_destinations_from_file(this_);
1471 struct attr callback;
1472 this_->route_cb=callback_new_attr_1(callback_cast(navit_redraw_route), attr_route_status, this_);
1473 callback.type=attr_callback;
1474 callback.u.callback=this_->route_cb;
1475 route_add_attr(this_->route, &callback);
1477 if (this_->navigation) {
1478 if (this_->speech) {
1479 this_->nav_speech_cb=callback_new_1(callback_cast(navit_speak), this_);
1480 navigation_register_callback(this_->navigation, attr_navigation_speech, this_->nav_speech_cb);
1483 navigation_set_route(this_->navigation, this_->route);
1485 dbg(2,"Setting Center\n");
1486 char *center_file = bookmarks_get_center_file(FALSE);
1487 bookmarks_set_center_from_file(this_->bookmarks, center_file);
1488 g_free(center_file);
1490 if (this_->menubar) {
1491 men=menu_add(this_->menubar, "Data", menu_type_submenu, NULL);
1493 navit_add_menu_windows_items(this_, men);
1499 navit_window_roadbook_new(this_);
1500 navit_window_items_new(this_);
1503 messagelist_init(this_->messages);
1505 navit_set_cursors(this_);
1507 callback_list_call_attr_1(this_->attr_cbl, attr_navit, this_);
1508 callback=(this_->ready == 2);
1510 dbg(2,"ready=%d\n",this_->ready);
1511 if (this_->ready == 3)
1514 callback_list_call_attr_1(this_->attr_cbl, attr_graphics_ready, this_);
1516 routech_test(this_);
1521 navit_zoom_to_rect(struct navit *this_, struct coord_rect *r)
1526 c.x=(r->rl.x+r->lu.x)/2;
1527 c.y=(r->rl.y+r->lu.y)/2;
1528 transform_set_center(this_->trans, &c);
1529 dbg(1,"%x,%x-%x,%x\n", r->rl.x,r->rl.y,r->lu.x,r->lu.y);
1530 while (scale < 1<<20) {
1532 transform_set_scale(this_->trans, scale);
1533 transform_setup_source_rect(this_->trans);
1534 transform(this_->trans, transform_get_projection(this_->trans), &r->lu, &p1, 1, 0, 0, NULL);
1535 transform(this_->trans, transform_get_projection(this_->trans), &r->rl, &p2, 1, 0, 0, NULL);
1536 dbg(1,"%d,%d-%d,%d\n",p1.x,p1.y,p2.x,p2.y);
1537 if (p1.x < 0 || p2.x < 0 || p1.x > this_->w || p2.x > this_->w ||
1538 p1.y < 0 || p2.y < 0 || p1.y > this_->h || p2.y > this_->h)
1544 if (this_->ready == 3)
1545 navit_draw_async(this_,0);
1549 navit_zoom_to_route(struct navit *this_, int orientation)
1552 struct map_rect *mr=NULL;
1555 struct coord_rect r;
1560 map=route_get_map(this_->route);
1561 dbg(1,"map=%p\n",map);
1563 mr=map_rect_new(map, NULL);
1564 dbg(1,"mr=%p\n",mr);
1566 while ((item=map_rect_get_item(mr))) {
1567 dbg(1,"item=%s\n", item_to_name(item->type));
1568 while (item_coord_get(item, &c, 1)) {
1573 coord_rect_extend(&r, &c);
1580 if (orientation != -1)
1581 transform_set_yaw(this_->trans, orientation);
1582 navit_zoom_to_rect(this_, &r);
1586 navit_cmd_zoom_to_route(struct navit *this)
1588 navit_zoom_to_route(this, 0);
1593 * Change the current zoom level
1595 * @param navit The navit instance
1596 * @param center The point where to center the map, including its projection
1600 navit_set_center(struct navit *this_, struct pcoord *center, int set_timeout)
1602 struct coord *c=transform_center(this_->trans);
1604 enum projection pro = transform_get_projection(this_->trans);
1605 if (pro != center->pro) {
1608 transform_from_to(&c1, center->pro, &c2, pro);
1615 navit_set_timeout(this_);
1616 if (this_->ready == 3)
1621 navit_set_center_coord_screen(struct navit *this_, struct coord *c, struct point *p, int set_timeout)
1625 transform_set_center(this_->trans, c);
1626 transform_get_size(this_->trans, &width, &height);
1629 update_transformation(this_->trans, &po, p, NULL);
1631 navit_set_timeout(this_);
1635 * Links all vehicles to a cursor depending on the current profile.
1637 * @param this_ A navit instance
1638 * @author Ralph Sennhauser (10/2009)
1641 navit_set_cursors(struct navit *this_)
1644 struct navit_vehicle *nv;
1648 v=g_list_first(this_->vehicles); // GList of navit_vehicles
1651 if (vehicle_get_attr(nv->vehicle, attr_cursorname, &name, NULL)) {
1652 if (!strcmp(name.u.str,"none"))
1655 c=layout_get_cursor(this_->layout_current, name.u.str);
1657 c=layout_get_cursor(this_->layout_current, "default");
1658 vehicle_set_cursor(nv->vehicle, c);
1665 navit_get_cursor_pnt(struct navit *this_, struct point *p, int keep_orientation, int *dir)
1668 struct navit_vehicle *nv=this_->vehicle;
1670 float offset=this_->radius; // Cursor offset from the center of the screen (percent).
1671 #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 */
1672 float min_offset = 0.; // Percent offset at min_offset_speed.
1673 float max_offset = 30.; // Percent offset at max_offset_speed.
1674 int min_offset_speed = 2; // Speed in km/h
1675 int max_offset_speed = 50; // Speed ini km/h
1676 // Calculate cursor offset from the center of the screen, upon speed.
1677 if (nv->speed <= min_offset_speed) {
1678 offset = min_offset;
1679 } else if (nv->speed > max_offset_speed) {
1680 offset = max_offset;
1682 offset = (max_offset - min_offset) / (max_offset_speed - min_offset_speed) * (nv->speed - min_offset_speed);
1686 transform_get_size(this_->trans, &width, &height);
1687 if (this_->orientation == -1 || keep_orientation) {
1689 p->y=(50 + offset)*height/100;
1691 *dir=keep_orientation?this_->orientation:nv->dir;
1694 if (this_->tracking && this_->tracking_flag) {
1695 mdir = tracking_get_angle(this_->tracking) - this_->orientation;
1697 mdir=nv->dir-this_->orientation;
1700 p->x=(50 - offset*sin(M_PI*mdir/180.))*width/100;
1701 p->y=(50 + offset*cos(M_PI*mdir/180.))*height/100;
1703 *dir=this_->orientation;
1709 navit_set_center_cursor(struct navit *this_, int autozoom, int keep_orientation)
1713 struct navit_vehicle *nv=this_->vehicle;
1714 navit_get_cursor_pnt(this_, &pn, keep_orientation, &dir);
1715 transform_set_yaw(this_->trans, dir);
1716 navit_set_center_coord_screen(this_, &nv->coord, &pn, 0);
1718 navit_autozoom(this_, &nv->coord, nv->speed, 0);
1722 navit_set_center_cursor_draw(struct navit *this_)
1724 navit_set_center_cursor(this_,1,0);
1725 if (this_->ready == 3)
1726 navit_draw_async(this_, 1);
1730 navit_cmd_set_center_cursor(struct navit *this_)
1732 navit_set_center_cursor_draw(this_);
1736 navit_set_center_screen(struct navit *this_, struct point *p, int set_timeout)
1740 transform_reverse(this_->trans, p, &c);
1743 pc.pro = transform_get_projection(this_->trans);
1744 navit_set_center(this_, &pc, set_timeout);
1748 switch((*attrs)->type) {
1750 zoom=(*attrs)->u.num;
1753 g=*((*attrs)->u.coord_geo);
1758 navit_set_attr_do(struct navit *this_, struct attr *attr, int init)
1760 int dir=0, orient_old=0, attr_updated=0;
1764 struct navit_vehicle *nv;
1765 struct attr active=(struct attr){attr_active,{(void *)0}};
1768 switch (attr->type) {
1770 attr_updated=(this_->autozoom_secs != attr->u.num);
1771 this_->autozoom_secs = attr->u.num;
1773 case attr_autozoom_active:
1774 attr_updated=(this_->autozoom_active != attr->u.num);
1775 this_->autozoom_active = attr->u.num;
1778 transform_from_geo(transform_get_projection(this_->trans), attr->u.coord_geo, &co);
1779 dbg(1,"0x%x,0x%x\n",co.x,co.y);
1780 transform_set_center(this_->trans, &co);
1782 case attr_drag_bitmap:
1783 attr_updated=(this_->drag_bitmap != !!attr->u.num);
1784 this_->drag_bitmap=!!attr->u.num;
1787 attr_updated=(this_->flags != attr->u.num);
1788 this_->flags=attr->u.num;
1790 case attr_flags_graphics:
1791 attr_updated=(this_->graphics_flags != attr->u.num);
1792 this_->graphics_flags=attr->u.num;
1795 if (!this_->vehicle)
1797 attr_updated=(this_->vehicle->follow_curr != attr->u.num);
1798 this_->vehicle->follow_curr = attr->u.num;
1801 if(this_->layout_current!=attr->u.layout) {
1802 this_->layout_current=attr->u.layout;
1803 graphics_font_destroy_all(this_->gra);
1804 navit_set_cursors(this_);
1805 if (this_->ready == 3)
1810 case attr_layout_name:
1814 if (!strcmp(lay->name,attr->u.str)) {
1816 attr.type=attr_layout;
1818 return navit_set_attr_do(this_, &attr, init);
1823 case attr_map_border:
1824 if (this_->border != attr->u.num) {
1825 this_->border=attr->u.num;
1829 case attr_orientation:
1830 orient_old=this_->orientation;
1831 this_->orientation=attr->u.num;
1833 if (this_->orientation != -1) {
1834 dir = this_->orientation;
1836 if (this_->vehicle) {
1837 dir = this_->vehicle->dir;
1840 transform_set_yaw(this_->trans, dir);
1841 if (orient_old != this_->orientation) {
1843 if (this_->ready == 3)
1850 case attr_osd_configuration:
1851 dbg(0,"setting osd_configuration to %d (was %d)\n", attr->u.num, this_->osd_configuration);
1852 attr_updated=(this_->osd_configuration != attr->u.num);
1853 this_->osd_configuration=attr->u.num;
1856 attr_updated=(this_->pitch != attr->u.num);
1857 this_->pitch=attr->u.num;
1858 transform_set_pitch(this_->trans, this_->pitch);
1859 if (!init && attr_updated && this_->ready == 3)
1862 case attr_projection:
1863 if(this_->trans && transform_get_projection(this_->trans) != attr->u.projection) {
1864 navit_projection_set(this_, attr->u.projection, !init);
1869 attr_updated=(this_->radius != attr->u.num);
1870 this_->radius=attr->u.num;
1872 case attr_recent_dest:
1873 attr_updated=(this_->recentdest_count != attr->u.num);
1874 this_->recentdest_count=attr->u.num;
1877 if(this_->speech && this_->speech != attr->u.speech) {
1879 this_->speech = attr->u.speech;
1883 attr_updated=(this_->center_timeout != attr->u.num);
1884 this_->center_timeout = attr->u.num;
1887 attr_updated=(this_->tracking_flag != !!attr->u.num);
1888 this_->tracking_flag=!!attr->u.num;
1890 case attr_transformation:
1891 this_->trans=attr->u.transformation;
1893 case attr_use_mousewheel:
1894 attr_updated=(this_->use_mousewheel != !!attr->u.num);
1895 this_->use_mousewheel=!!attr->u.num;
1901 if (nv->vehicle == attr->u.vehicle) {
1902 if (!this_->vehicle || this_->vehicle->vehicle != attr->u.vehicle) {
1904 vehicle_set_attr(this_->vehicle->vehicle, &active);
1906 vehicle_set_attr(nv->vehicle, &active);
1909 navit_set_vehicle(this_, nv);
1915 zoom=transform_get_scale(this_->trans);
1916 attr_updated=(zoom != attr->u.num);
1917 transform_set_scale(this_->trans, attr->u.num);
1918 if (attr_updated && !init)
1922 attr_updated=(attr->u.num != this_->zoom_min);
1923 this_->zoom_min=attr->u.num;
1926 attr_updated=(attr->u.num != this_->zoom_max);
1927 this_->zoom_max=attr->u.num;
1930 navit_add_message(this_, attr->u.str);
1932 case attr_follow_cursor:
1933 attr_updated=(this_->follow_cursor != !!attr->u.num);
1934 this_->follow_cursor=!!attr->u.num;
1939 if (attr_updated && !init) {
1940 callback_list_call_attr_2(this_->attr_cbl, attr->type, this_, attr);
1941 if (attr->type == attr_osd_configuration)
1942 graphics_draw_mode(this_->gra, draw_mode_end);
1948 navit_set_attr(struct navit *this_, struct attr *attr)
1950 return navit_set_attr_do(this_, attr, 0);
1954 navit_get_attr(struct navit *this_, enum attr_type type, struct attr *attr, struct attr_iter *iter)
1956 struct message *msg;
1962 msg = navit_get_messages(this_);
1970 len += strlen(msg->text) + 1;
1973 attr->u.str = g_malloc(len + 1);
1975 msg = navit_get_messages(this_);
1978 g_stpcpy((attr->u.str + offset), msg->text);
1979 offset += strlen(msg->text);
1980 attr->u.str[offset] = '\n';
1986 attr->u.str[len] = '\0';
1988 case attr_bookmark_map:
1989 attr->u.map=bookmarks_get_map(this_->bookmarks);
1991 case attr_bookmarks:
1992 attr->u.bookmarks=this_->bookmarks;
1994 case attr_callback_list:
1995 attr->u.callback_list=this_->attr_cbl;
1997 case attr_destination:
1998 if (! this_->destination_valid)
2000 attr->u.pcoord=&this_->destination;
2002 case attr_displaylist:
2003 attr->u.displaylist=this_->displaylist;
2004 return (attr->u.displaylist != NULL);
2006 if (!this_->vehicle)
2008 attr->u.num=this_->vehicle->follow_curr;
2010 case attr_former_destination_map:
2011 attr->u.map=this_->former_destination;
2014 attr->u.graphics=this_->gra;
2015 ret=(attr->u.graphics != NULL);
2018 attr->u.gui=this_->gui;
2019 ret=(attr->u.gui != NULL);
2024 iter->u.list=g_list_next(iter->u.list);
2026 iter->u.list=this_->layouts;
2030 attr->u.layout=(struct layout *)iter->u.list->data;
2032 attr->u.layout=this_->layout_current;
2036 if (iter && this_->mapsets) {
2037 if (!iter->u.mapset_handle) {
2038 iter->u.mapset_handle=mapset_open((struct mapset *)this_->mapsets->data);
2040 attr->u.map=mapset_next(iter->u.mapset_handle, 0);
2042 mapset_close(iter->u.mapset_handle);
2050 attr->u.mapset=this_->mapsets->data;
2051 ret=(attr->u.mapset != NULL);
2053 case attr_navigation:
2054 attr->u.navigation=this_->navigation;
2056 case attr_orientation:
2057 attr->u.num=this_->orientation;
2059 case attr_osd_configuration:
2060 attr->u.num=this_->osd_configuration;
2063 attr->u.num=transform_get_pitch(this_->trans);
2065 case attr_projection:
2067 attr->u.num=transform_get_projection(this_->trans);
2073 attr->u.route=this_->route;
2076 attr->u.speech=this_->speech;
2079 attr->u.num=this_->tracking_flag;
2081 case attr_trackingo:
2082 attr->u.tracking=this_->tracking;
2084 case attr_transformation:
2085 attr->u.transformation=this_->trans;
2090 iter->u.list=g_list_next(iter->u.list);
2092 iter->u.list=this_->vehicles;
2096 attr->u.vehicle=((struct navit_vehicle*)iter->u.list->data)->vehicle;
2098 if(this_->vehicle) {
2099 attr->u.vehicle=this_->vehicle->vehicle;
2105 case attr_vehicleprofile:
2106 attr->u.vehicleprofile=this_->vehicleprofile;
2109 attr->u.num=transform_get_scale(this_->trans);
2111 case attr_autozoom_active:
2112 attr->u.num=this_->autozoom_active;
2114 case attr_follow_cursor:
2115 attr->u.num=this_->follow_cursor;
2125 navit_add_log(struct navit *this_, struct log *log)
2127 struct attr type_attr;
2128 if (!log_get_attr(log, attr_type, &type_attr, NULL))
2130 if (!strcmp(type_attr.u.str, "textfile_debug")) {
2131 char *header = "type=track_tracked\n";
2132 if (this_->textfile_debug_log)
2134 log_set_header(log, header, strlen(header));
2135 this_->textfile_debug_log=log;
2142 navit_add_attr(struct navit *this_, struct attr *attr)
2145 switch (attr->type) {
2147 navit_add_callback(this_, attr->u.callback);
2150 ret=navit_add_log(this_, attr->u.log);
2153 ret=navit_set_gui(this_, attr->u.gui);
2156 ret=navit_set_graphics(this_, attr->u.graphics);
2159 this_->layouts = g_list_append(this_->layouts, attr->u.layout);
2160 if(!this_->layout_current)
2161 this_->layout_current=attr->u.layout;
2164 this_->route=attr->u.route;
2167 this_->mapsets = g_list_append(this_->mapsets, attr->u.mapset);
2169 case attr_navigation:
2170 this_->navigation=attr->u.navigation;
2172 case attr_recent_dest:
2173 this_->recentdest_count = attr->u.num;
2176 this_->speech=attr->u.speech;
2179 this_->tracking=attr->u.tracking;
2182 ret=navit_add_vehicle(this_, attr->u.vehicle);
2184 case attr_vehicleprofile:
2185 this_->vehicleprofiles=g_list_prepend(this_->vehicleprofiles, attr->u.vehicleprofile);
2187 case attr_autozoom_min:
2188 this_->autozoom_min = attr->u.num;
2193 callback_list_call_attr_2(this_->attr_cbl, attr->type, this_, attr);
2198 navit_remove_attr(struct navit *this_, struct attr *attr)
2201 switch (attr->type) {
2203 navit_remove_callback(this_, attr->u.callback);
2212 navit_attr_iter_new(void)
2214 return g_new0(struct attr_iter, 1);
2218 navit_attr_iter_destroy(struct attr_iter *iter)
2224 navit_add_callback(struct navit *this_, struct callback *cb)
2226 callback_list_add(this_->attr_cbl, cb);
2230 navit_remove_callback(struct navit *this_, struct callback *cb)
2232 callback_list_remove(this_->attr_cbl, cb);
2236 * Toggle the cursor update : refresh the map each time the cursor has moved (instead of only when it reaches a border)
2238 * @param navit The navit instance
2243 navit_vehicle_draw(struct navit *this_, struct navit_vehicle *nv, struct point *pnt)
2245 struct point cursor_pnt;
2246 enum projection pro;
2253 pro=transform_get_projection(this_->trans_cursor);
2256 transform(this_->trans_cursor, pro, &nv->coord, &cursor_pnt, 1, 0, 0, NULL);
2258 vehicle_draw(nv->vehicle, this_->gra, &cursor_pnt, pnt ? 0:1, nv->dir-transform_get_yaw(this_->trans_cursor), nv->speed);
2263 pro=transform_get_projection(this_->trans);
2264 transform(this_->trans, pro, &nv->coord, &pnt2, 1);
2267 cursor_draw(nv->cursor, &pnt2, nv->dir-transform_get_angle(this_->trans, 0), nv->speed > 2, pnt == NULL);
2269 cursor_draw(nv->cursor, &pnt2, nv->dir-transform_get_angle(this_->trans, 0), nv->speed > 2, 1);
2275 navit_vehicle_update(struct navit *this_, struct navit_vehicle *nv)
2277 struct attr attr_valid, attr_dir, attr_speed, attr_pos;
2278 struct pcoord cursor_pc;
2279 struct point cursor_pnt, *pnt=&cursor_pnt;
2280 struct tracking *tracking=NULL;
2281 struct pcoord pc[16];
2282 enum projection pro=transform_get_projection(this_->trans_cursor);
2284 int (*get_attr)(void *, enum attr_type, struct attr *, struct attr_iter *);
2286 char *destination_file;
2289 if (this_->ready != 3) {
2290 profile(0,"return 1\n");
2293 navit_layout_switch(this_);
2294 if (this_->vehicle == nv && this_->tracking_flag)
2295 tracking=this_->tracking;
2297 tracking_update(tracking, nv->vehicle, this_->vehicleprofile, pro);
2298 attr_object=tracking;
2299 get_attr=(int (*)(void *, enum attr_type, struct attr *, struct attr_iter *))tracking_get_attr;
2301 attr_object=nv->vehicle;
2302 get_attr=(int (*)(void *, enum attr_type, struct attr *, struct attr_iter *))vehicle_get_attr;
2304 if (get_attr(attr_object, attr_position_valid, &attr_valid, NULL))
2305 if (!attr_valid.u.num != attr_position_valid_invalid)
2307 if (! get_attr(attr_object, attr_position_direction, &attr_dir, NULL) ||
2308 ! get_attr(attr_object, attr_position_speed, &attr_speed, NULL) ||
2309 ! get_attr(attr_object, attr_position_coord_geo, &attr_pos, NULL)) {
2310 profile(0,"return 2\n");
2313 nv->dir=*attr_dir.u.numd;
2314 nv->speed=*attr_speed.u.numd;
2315 transform_from_geo(pro, attr_pos.u.coord_geo, &nv->coord);
2316 if (nv != this_->vehicle) {
2317 navit_vehicle_draw(this_, nv, NULL);
2318 profile(0,"return 3\n");
2321 cursor_pc.x = nv->coord.x;
2322 cursor_pc.y = nv->coord.y;
2323 cursor_pc.pro = pro;
2326 route_set_position_from_tracking(this_->route, tracking, pro);
2328 route_set_position(this_->route, &cursor_pc);
2330 callback_list_call_attr_0(this_->attr_cbl, attr_position);
2331 navit_textfile_debug_log(this_, "type=trackpoint_tracked");
2332 if (this_->gui && nv->speed > 2)
2333 navit_disable_suspend();
2335 transform(this_->trans_cursor, pro, &nv->coord, &cursor_pnt, 1, 0, 0, NULL);
2336 if (this_->button_pressed != 1 && this_->follow_cursor && nv->follow_curr <= nv->follow &&
2337 (nv->follow_curr == 1 || !transform_within_border(this_->trans_cursor, &cursor_pnt, this_->border)))
2338 navit_set_center_cursor_draw(this_);
2340 navit_vehicle_draw(this_, nv, pnt);
2342 if (nv->follow_curr > 1)
2345 nv->follow_curr=nv->follow;
2346 callback_list_call_attr_2(this_->attr_cbl, attr_position_coord_geo, this_, nv->vehicle);
2348 /* Finally, if we reached our destination, stop navigation. */
2350 switch(route_destination_reached(this_->route)) {
2352 route_remove_waypoint(this_->route);
2353 count=route_get_destinations(this_->route, pc, 16);
2354 destination_file = bookmarks_get_destination_file(TRUE);
2355 bookmarks_append_coord(this_->bookmarks, destination_file, pc, count, "former_itinerary_part", NULL, NULL, this_->recentdest_count);
2358 navit_set_destination(this_, NULL, NULL, 0);
2362 profile(0,"return 5\n");
2366 * Set the position of the vehicle
2368 * @param navit The navit instance
2369 * @param c The coordinate to set as position
2374 navit_set_position(struct navit *this_, struct pcoord *c)
2377 route_set_position(this_->route, c);
2378 callback_list_call_attr_0(this_->attr_cbl, attr_position);
2380 if (this_->ready == 3)
2385 navit_set_vehicleprofile(struct navit *this_, char *name)
2389 l=this_->vehicleprofiles;
2391 if (vehicleprofile_get_attr(l->data, attr_name, &attr, NULL)) {
2392 if (!strcmp(attr.u.str, name)) {
2393 this_->vehicleprofile=l->data;
2395 route_set_profile(this_->route, this_->vehicleprofile);
2405 navit_set_vehicle(struct navit *this_, struct navit_vehicle *nv)
2409 if (nv && vehicle_get_attr(nv->vehicle, attr_profilename, &attr, NULL)) {
2410 if (navit_set_vehicleprofile(this_, attr.u.str))
2413 if (!navit_set_vehicleprofile(this_,"car")) {
2414 /* We do not have a fallback "car" profile
2415 * so lets set any profile */
2417 l=this_->vehicleprofiles;
2419 this_->vehicleprofile=l->data;
2421 route_set_profile(this_->route, this_->vehicleprofile);
2427 * Register a new vehicle
2429 * @param navit The navit instance
2430 * @param v The vehicle instance
2431 * @returns 1 for success
2434 navit_add_vehicle(struct navit *this_, struct vehicle *v)
2436 struct navit_vehicle *nv=g_new0(struct navit_vehicle, 1);
2437 struct attr follow, active, animate;
2442 nv->animate_cursor=0;
2443 if ((vehicle_get_attr(v, attr_follow, &follow, NULL)))
2444 nv->follow=follow.u.num;
2445 nv->follow_curr=nv->follow;
2446 this_->vehicles=g_list_append(this_->vehicles, nv);
2447 if ((vehicle_get_attr(v, attr_active, &active, NULL)) && active.u.num)
2448 navit_set_vehicle(this_, nv);
2449 if ((vehicle_get_attr(v, attr_animate, &animate, NULL)))
2450 nv->animate_cursor=animate.u.num;
2451 nv->callback.type=attr_callback;
2452 nv->callback.u.callback=callback_new_attr_2(callback_cast(navit_vehicle_update), attr_position_coord_geo, this_, nv);
2453 vehicle_add_attr(nv->vehicle, &nv->callback);
2454 vehicle_set_attr(nv->vehicle, &this_->self);
2462 navit_get_gui(struct navit *this_)
2467 struct transformation *
2468 navit_get_trans(struct navit *this_)
2470 return this_->trans;
2474 navit_get_route(struct navit *this_)
2476 return this_->route;
2480 navit_get_navigation(struct navit *this_)
2482 return this_->navigation;
2485 struct displaylist *
2486 navit_get_displaylist(struct navit *this_)
2488 return this_->displaylist;
2492 navit_layout_switch(struct navit *n)
2496 struct attr iso8601_attr,geo_attr,valid_attr,layout_attr;
2497 double trise,tset,trise_actual;
2499 int year, month, day;
2501 if (navit_get_attr(n,attr_layout,&layout_attr,NULL)!=1) {
2502 return; //No layout - nothing to switch
2506 l=layout_attr.u.layout;
2508 if (l->dayname || l->nightname) {
2509 //Ok, we know that we have profile to switch
2511 //Check that we aren't calculating too fast
2512 if (vehicle_get_attr(n->vehicle->vehicle, attr_position_time_iso8601,&iso8601_attr,NULL)==1) {
2513 currTs=iso8601_to_secs(iso8601_attr.u.str);
2514 dbg(1,"currTs: %u:%u\n",currTs%86400/3600,((currTs%86400)%3600)/60);
2516 if (currTs-(n->prevTs)<60) {
2517 //We've have to wait a little
2520 if (sscanf(iso8601_attr.u.str,"%d-%02d-%02dT",&year,&month,&day) != 3)
2522 if (vehicle_get_attr(n->vehicle->vehicle, attr_position_valid, &valid_attr,NULL) && valid_attr.u.num==attr_position_valid_invalid) {
2523 return; //No valid fix yet
2525 if (vehicle_get_attr(n->vehicle->vehicle, attr_position_coord_geo,&geo_attr,NULL)!=1) {
2526 //No position - no sun
2530 //We calculate sunrise anyway, cause it is needed both for day and for night
2531 if (__sunriset__(year,month,day,geo_attr.u.coord_geo->lng,geo_attr.u.coord_geo->lat,-5,1,&trise,&tset)!=0) {
2532 //near the pole sun never rises/sets, so we should never switch profiles
2533 dbg(1,"trise: %u:%u, sun never visible, never switch profile\n",HOURS(trise),MINUTES(trise));
2539 dbg(1,"trise: %u:%u\n",HOURS(trise),MINUTES(trise));
2542 if ((HOURS(trise)*60+MINUTES(trise)==(currTs%86400)/60) ||
2543 (n->prevTs==0 && ((HOURS(trise)*60+MINUTES(trise)<(currTs%86400)/60)))) {
2544 //The sun is rising now!
2545 if (strcmp(l->name,l->dayname)) {
2546 navit_set_layout_by_name(n,l->dayname);
2551 if (__sunriset__(year,month,day,geo_attr.u.coord_geo->lng,geo_attr.u.coord_geo->lat,-5,1,&trise,&tset)!=0) {
2552 //near the pole sun never rises/sets, so we should never switch profiles
2553 dbg(1,"tset: %u:%u, sun always visible, never switch profile\n",HOURS(tset),MINUTES(tset));
2557 dbg(1,"tset: %u:%u\n",HOURS(tset),MINUTES(tset));
2558 if (HOURS(tset)*60+MINUTES(tset)==((currTs%86400)/60)
2559 || (n->prevTs==0 && (((HOURS(tset)*60+MINUTES(tset)<(currTs%86400)/60)) ||
2560 ((HOURS(trise_actual)*60+MINUTES(trise_actual)>(currTs%86400)/60))))) {
2562 if (strcmp(l->name,l->nightname)) {
2563 navit_set_layout_by_name(n,l->nightname);
2573 navit_set_vehicle_by_name(struct navit *n,const char *name)
2576 struct attr_iter *iter;
2577 struct attr vehicle_attr, name_attr;
2579 iter=navit_attr_iter_new();
2581 while (navit_get_attr(n,attr_vehicle,&vehicle_attr,iter)) {
2582 v=vehicle_attr.u.vehicle;
2583 vehicle_get_attr(v,attr_name,&name_attr,NULL);
2584 if (name_attr.type==attr_name) {
2585 if (!strcmp(name,name_attr.u.str)) {
2586 navit_set_attr(n,&vehicle_attr);
2587 navit_attr_iter_destroy(iter);
2592 navit_attr_iter_destroy(iter);
2597 navit_set_layout_by_name(struct navit *n,const char *name)
2600 struct attr_iter iter;
2601 struct attr layout_attr;
2605 if (navit_get_attr(n,attr_layout,&layout_attr,&iter)!=1) {
2606 return 0; //No layouts - nothing to do
2608 if (iter.u.list==NULL) {
2612 iter.u.list=g_list_first(iter.u.list);
2614 while(iter.u.list) {
2615 l=(struct layout*)iter.u.list->data;
2616 if (!strcmp(name,l->name)) {
2617 layout_attr.u.layout=l;
2618 layout_attr.type=attr_layout;
2619 navit_set_attr(n,&layout_attr);
2620 iter.u.list=g_list_first(iter.u.list);
2623 iter.u.list=g_list_next(iter.u.list);
2626 iter.u.list=g_list_first(iter.u.list);
2631 navit_disable_suspend() {
2632 gui_disable_suspend(global_navit->gui);
2633 callback_list_call_attr_0(global_navit->attr_cbl,attr_unsuspend);
2637 navit_block(struct navit *this_, int block)
2640 this_->blocked |= 1;
2641 if (graphics_draw_cancel(this_->gra, this_->displaylist))
2642 this_->blocked |= 2;
2645 if ((this_->blocked & 2) || block < 0) {
2655 navit_destroy(struct navit *this_)
2657 callback_list_call_attr_1(this_->attr_cbl, attr_destroy, this_);
2659 /* TODO: destroy objects contained in this_ */
2661 vehicle_destroy(this_->vehicle->vehicle);
2662 if (this_->bookmarks) {
2663 char *center_file = bookmarks_get_center_file(TRUE);
2664 bookmarks_write_center_to_file(this_->bookmarks, center_file);
2665 g_free(center_file);
2666 bookmarks_destroy(this_->bookmarks);
2668 callback_destroy(this_->nav_speech_cb);
2669 callback_destroy(this_->roadbook_callback);
2670 callback_destroy(this_->popup_callback);
2671 callback_destroy(this_->motion_timeout_callback);
2673 graphics_remove_callback(this_->gra, this_->resize_callback);
2674 callback_destroy(this_->resize_callback);
2676 graphics_remove_callback(this_->gra, this_->button_callback);
2677 callback_destroy(this_->button_callback);
2679 graphics_remove_callback(this_->gra, this_->motion_callback);
2680 callback_destroy(this_->motion_callback);
2682 graphics_remove_callback(this_->gra, this_->predraw_callback);
2683 callback_destroy(this_->predraw_callback);
2684 route_destroy(this_->route);