navit/navit/navit.c

   1 /**
   2  * Navit, a modular navigation system.
   3  * Copyright (C) 2005-2009 Navit Team
   4  *
   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.
   8  *
   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.
  13  *
  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.
  18  */
  19
  20 #include <stdio.h>
  21 #include <stdlib.h>
  22 #include <signal.h>
  23 #include <string.h>
  24 #include <unistd.h>
  25 #include <fcntl.h>
  26 #include <glib.h>
  27 #include <math.h>
  28 #include <time.h>
  29 #include "config.h"
  30 #include "debug.h"
  31 #include "navit.h"
  32 #include "callback.h"
  33 #include "gui.h"
  34 #include "item.h"
  35 #include "projection.h"
  36 #include "map.h"
  37 #include "mapset.h"
  38 #include "main.h"
  39 #include "coord.h"
  40 #include "point.h"
  41 #include "transform.h"
  42 #include "param.h"
  43 #include "menu.h"
  44 #include "graphics.h"
  45 #include "popup.h"
  46 #include "data_window.h"
  47 #include "route.h"
  48 #include "navigation.h"
  49 #include "speech.h"
  50 #include "track.h"
  51 #include "vehicle.h"
  52 #include "layout.h"
  53 #include "log.h"
  54 #include "attr.h"
  55 #include "event.h"
  56 #include "file.h"
  57 #include "profile.h"
  58 #include "command.h"
  59 #include "navit_nls.h"
  60 #include "util.h"
  61 #include "messages.h"
  62 #include "vehicleprofile.h"
  63 #include "sunriset.h"
  64 #include "bookmarks.h"
  65
  66 /**
  67  * @defgroup navit the navit core instance. navit is the object containing nearly everything: A set of maps, one or more vehicle, a graphics object for rendering the map, a gui object for displaying the user interface, a route object, a navigation object and so on. Be warned that it is theoretically possible to have more than one navit object
  68  * @{
  69  */
  70
  71 //! The navit_vehicule
  72 struct navit_vehicle {
  73         int follow;
  74         /*! Limit of the follow counter. See navit_add_vehicle */
  75         int follow_curr;
  76         /*! Deprecated : follow counter itself. When it reaches 'update' counts, map is recentered*/
  77         struct coord coord;
  78         int dir;
  79         int speed;
  80         struct coord last; /*< Position of the last update of this vehicle */
  81         struct vehicle *vehicle;
  82         struct attr callback;
  83         int animate_cursor;
  84 };
  85
  86 struct navit {
  87         struct attr self;
  88         GList *mapsets;
  89         GList *layouts;
  90         struct gui *gui;
  91         struct layout *layout_current;
  92         struct graphics *gra;
  93         struct action *action;
  94         struct transformation *trans;
  95         struct compass *compass;
  96         struct route *route;
  97         struct navigation *navigation;
  98         struct speech *speech;
  99         struct tracking *tracking;
 100         int ready;
 101         struct window *win;
 102         struct displaylist *displaylist;
 103         int tracking_flag;
 104         int orientation;
 105         int recentdest_count;
 106         int osd_configuration;
 107         GList *vehicles;
 108         GList *windows_items;
 109         struct navit_vehicle *vehicle;
 110         struct callback_list *attr_cbl;
 111         struct callback *nav_speech_cb, *roadbook_callback, *popup_callback, *route_cb;
 112         struct datawindow *roadbook_window;
 113         struct map *former_destination;
 114         struct point pressed, last, current;
 115         int button_pressed,moved,popped,zoomed;
 116         int center_timeout;
 117         int autozoom_secs;
 118         int autozoom_min;
 119         int autozoom_active;
 120         struct event_timeout *button_timeout, *motion_timeout;
 121         struct callback *motion_timeout_callback;
 122         int ignore_button;
 123         int ignore_graphics_events;
 124         struct log *textfile_debug_log;
 125         struct pcoord destination;
 126         int destination_valid;
 127         int blocked;
 128         int w,h;
 129         int drag_bitmap;
 130         int use_mousewheel;
 131         struct messagelist *messages;
 132         struct callback *resize_callback,*button_callback,*motion_callback;
 133         struct vehicleprofile *vehicleprofile;
 134         GList *vehicleprofiles;
 135         int pitch;
 136         int follow_cursor;
 137         int prevTs;
 138         int graphics_flags;
 139         int zoom_min, zoom_max;
 140         int radius;
 141         struct bookmarks *bookmarks;
 142         int flags;
 143                  /* 1=No graphics ok */
 144                  /* 2=No gui ok */
 145 };
 146
 147 struct gui *main_loop_gui;
 148
 149 struct attr_iter {
 150         union {
 151                 GList *list;
 152                 struct mapset_handle *mapset_handle;
 153         } u;
 154 };
 155
 156 static void navit_vehicle_update(struct navit *this_, struct navit_vehicle *nv);
 157 static void navit_vehicle_draw(struct navit *this_, struct navit_vehicle *nv, struct point *pnt);
 158 static int navit_add_vehicle(struct navit *this_, struct vehicle *v);
 159 static int navit_set_attr_do(struct navit *this_, struct attr *attr, int init);
 160 static int navit_get_cursor_pnt(struct navit *this_, struct point *p, int *dir);
 161 static void navit_set_cursors(struct navit *this_);
 162 static void navit_cmd_zoom_to_route(struct navit *this);
 163 static void navit_cmd_set_center_cursor(struct navit *this_);
 164 static void navit_cmd_announcer_toggle(struct navit *this_);
 165 static void navit_set_vehicle(struct navit *this_, struct navit_vehicle *nv);
 166
 167 struct navit *global_navit;
 168
 169 void
 170 navit_add_mapset(struct navit *this_, struct mapset *ms)
 171 {
 172         this_->mapsets = g_list_append(this_->mapsets, ms);
 173 }
 174
 175 struct mapset *
 176 navit_get_mapset(struct navit *this_)
 177 {
 178         if(this_->mapsets){
 179                 return this_->mapsets->data;
 180         } else {
 181                 dbg(0,"No mapsets enabled! Is it on purpose? Navit can't draw a map. Please check your navit.xml\n");
 182         }
 183         return NULL;
 184 }
 185
 186 struct tracking *
 187 navit_get_tracking(struct navit *this_)
 188 {
 189         return this_->tracking;
 190 }
 191
 192 static void
 193 navit_draw_async(struct navit *this_, int async)
 194 {
 195         GList *l;
 196         struct navit_vehicle *nv;
 197
 198         if (this_->blocked) {
 199                 this_->blocked |= 2;
 200                 return;
 201         }
 202         transform_setup_source_rect(this_->trans);
 203         l=this_->vehicles;
 204         while (l) {
 205                 nv=l->data;
 206                 navit_vehicle_draw(this_, nv, NULL);
 207                 l=g_list_next(l);
 208         }
 209         graphics_draw(this_->gra, this_->displaylist, this_->mapsets->data, this_->trans, this_->layout_current, async, NULL, this_->graphics_flags|1);
 210 }
 211
 212 void
 213 navit_draw(struct navit *this_)
 214 {
 215         if (this_->ready == 3)
 216                 navit_draw_async(this_, 0);
 217 }
 218
 219 int
 220 navit_get_ready(struct navit *this_)
 221 {
 222         return this_->ready;
 223 }
 224
 225
 226
 227 void
 228 navit_draw_displaylist(struct navit *this_)
 229 {
 230         if (this_->ready == 3)
 231                 graphics_displaylist_draw(this_->gra, this_->displaylist, this_->trans, this_->layout_current, this_->graphics_flags|1);
 232 }
 233
 234 static void
 235 navit_redraw_route(struct navit *this_, struct route *route, struct attr *attr)
 236 {
 237         int updated;
 238         if (attr->type != attr_route_status)
 239                 return;
 240         updated=attr->u.num;
 241         if (this_->ready != 3)
 242                 return;
 243         if (updated != route_status_path_done_new)
 244                 return;
 245         if (this_->vehicle) {
 246                 if (this_->vehicle->follow_curr == 1)
 247                         return;
 248                 if (this_->vehicle->follow_curr <= this_->vehicle->follow)
 249                         this_->vehicle->follow_curr=this_->vehicle->follow;
 250         }
 251         navit_draw(this_);
 252 }
 253
 254 void
 255 navit_handle_resize(struct navit *this_, int w, int h)
 256 {
 257         struct map_selection sel;
 258         int callback=(this_->ready == 1);
 259         this_->ready |= 2;
 260         memset(&sel, 0, sizeof(sel));
 261         this_->w=w;
 262         this_->h=h;
 263         sel.u.p_rect.rl.x=w;
 264         sel.u.p_rect.rl.y=h;
 265         transform_set_screen_selection(this_->trans, &sel);
 266         graphics_init(this_->gra);
 267         graphics_set_rect(this_->gra, &sel.u.p_rect);
 268         if (callback)
 269                 callback_list_call_attr_1(this_->attr_cbl, attr_graphics_ready, this_);
 270         if (this_->ready == 3)
 271                 navit_draw(this_);
 272 }
 273
 274 static void
 275 navit_resize(void *data, int w, int h)
 276 {
 277         struct navit *this=data;
 278         if (!this->ignore_graphics_events)
 279                 navit_handle_resize(this, w, h);
 280 }
 281
 282 int
 283 navit_get_width(struct navit *this_)
 284 {
 285         return this_->w;
 286 }
 287
 288
 289 int
 290 navit_get_height(struct navit *this_)
 291 {
 292         return this_->h;
 293 }
 294
 295 static void
 296 navit_popup(void *data)
 297 {
 298         struct navit *this_=data;
 299         popup(this_, 1, &this_->pressed);
 300         this_->button_timeout=NULL;
 301         this_->popped=1;
 302 }
 303
 304
 305 int
 306 navit_ignore_button(struct navit *this_)
 307 {
 308         if (this_->ignore_button)
 309                 return 1;
 310         this_->ignore_button=1;
 311         return 0;
 312 }
 313
 314 void
 315 navit_ignore_graphics_events(struct navit *this_, int ignore)
 316 {
 317         this_->ignore_graphics_events=ignore;
 318 }
 319
 320 static void
 321 update_transformation(struct transformation *tr, struct point *old, struct point *new, struct point *rot)
 322 {
 323         struct coord co,cn;
 324         struct coord c,*cp;
 325         int yaw;
 326         double angleo,anglen;
 327
 328         if (!transform_reverse(tr, old, &co))
 329                 return;
 330         if (rot) {
 331                 angleo=atan2(old->y-rot->y, old->x-rot->x)*180/M_PI;
 332                 anglen=atan2(new->y-rot->y, new->x-rot->x)*180/M_PI;
 333                 yaw=transform_get_yaw(tr)+angleo-anglen;
 334                 transform_set_yaw(tr, yaw % 360);
 335         }
 336         if (!transform_reverse(tr, new, &cn))
 337                 return;
 338         cp=transform_get_center(tr);
 339         c.x=cp->x+co.x-cn.x;
 340         c.y=cp->y+co.y-cn.y;
 341         dbg(1,"from 0x%x,0x%x to 0x%x,0x%x\n", cp->x, cp->y, c.x, c.y);
 342         transform_set_center(tr, &c);
 343 }
 344
 345 static void
 346 navit_set_timeout(struct navit *this_)
 347 {
 348         struct attr follow;
 349         follow.type=attr_follow;
 350         follow.u.num=this_->center_timeout;
 351         navit_set_attr(this_, &follow);
 352 }
 353
 354 int
 355 navit_handle_button(struct navit *this_, int pressed, int button, struct point *p, struct callback *popup_callback)
 356 {
 357         int border=16;
 358
 359         dbg(1,"enter %d %d (ignore %d)\n",pressed,button,this_->ignore_button);
 360         callback_list_call_attr_4(this_->attr_cbl, attr_button, this_, GINT_TO_POINTER(pressed), GINT_TO_POINTER(button), p);
 361         if (this_->ignore_button) {
 362                 this_->ignore_button=0;
 363                 return 0;
 364         }
 365         if (pressed) {
 366                 this_->pressed=*p;
 367                 this_->last=*p;
 368                 this_->zoomed=0;
 369                 if (button == 1) {
 370                         this_->button_pressed=1;
 371                         this_->moved=0;
 372                         this_->popped=0;
 373                         if (popup_callback)
 374                                 this_->button_timeout=event_add_timeout(500, 0, popup_callback);
 375                 }
 376                 if (button == 2)
 377                         navit_set_center_screen(this_, p, 1);
 378                 if (button == 3)
 379                         popup(this_, button, p);
 380                 if (button == 4 && this_->use_mousewheel) {
 381                         this_->zoomed = 1;
 382                         navit_zoom_in(this_, 2, p);
 383                 }
 384                 if (button == 5 && this_->use_mousewheel) {
 385                         this_->zoomed = 1;
 386                         navit_zoom_out(this_, 2, p);
 387                 }
 388         } else {
 389
 390                 this_->button_pressed=0;
 391                 if (this_->button_timeout) {
 392                         event_remove_timeout(this_->button_timeout);
 393                         this_->button_timeout=NULL;
 394                         if (! this_->moved && ! transform_within_border(this_->trans, p, border)) {
 395                                 navit_set_center_screen(this_, p, !this_->zoomed);
 396                         }
 397                 }
 398                 if (this_->motion_timeout) {
 399                         event_remove_timeout(this_->motion_timeout);
 400                         this_->motion_timeout=NULL;
 401                 }
 402                 if (this_->moved) {
 403                         struct point pr;
 404                         pr.x=this_->w/2;
 405                         pr.y=this_->h;
 406 #if 0
 407                         update_transformation(this_->trans, &this_->pressed, p, &pr);
 408 #else
 409                         update_transformation(this_->trans, &this_->pressed, p, NULL);
 410 #endif
 411                         graphics_draw_drag(this_->gra, NULL);
 412                         graphics_overlay_disable(this_->gra, 0);
 413                         if (!this_->zoomed)
 414                                 navit_set_timeout(this_);
 415                         navit_draw(this_);
 416                 } else
 417                         return 1;
 418         }
 419         return 0;
 420 }
 421
 422 static void
 423 navit_button(void *data, int pressed, int button, struct point *p)
 424 {
 425         struct navit *this=data;
 426         dbg(1,"enter %d %d ignore %d\n",pressed,button,this->ignore_graphics_events);
 427         if (!this->ignore_graphics_events) {
 428                 if (! this->popup_callback)
 429                         this->popup_callback=callback_new_1(callback_cast(navit_popup), this);
 430                 navit_handle_button(this, pressed, button, p, this->popup_callback);
 431         }
 432 }
 433
 434
 435 static void
 436 navit_motion_timeout(struct navit *this_)
 437 {
 438         int dx, dy;
 439
 440         if (this_->drag_bitmap) {
 441                 struct point point;
 442                 point.x=(this_->current.x-this_->pressed.x);
 443                 point.y=(this_->current.y-this_->pressed.y);
 444                 if (graphics_draw_drag(this_->gra, &point)) {
 445                         graphics_overlay_disable(this_->gra, 1);
 446                         graphics_draw_mode(this_->gra, draw_mode_end);
 447                         this_->moved=1;
 448                         this_->motion_timeout=NULL;
 449                         return;
 450                 }
 451         }
 452         dx=(this_->current.x-this_->last.x);
 453         dy=(this_->current.y-this_->last.y);
 454         if (dx || dy) {
 455                 struct transformation *tr;
 456                 struct point pr;
 457                 this_->last=this_->current;
 458                 graphics_overlay_disable(this_->gra, 1);
 459                 tr=transform_dup(this_->trans);
 460                 pr.x=this_->w/2;
 461                 pr.y=this_->h;
 462 #if 0
 463                 update_transformation(tr, &this_->pressed, &this_->current, &pr);
 464 #else
 465                 update_transformation(tr, &this_->pressed, &this_->current, NULL);
 466 #endif
 467 #if 0
 468                 graphics_displaylist_move(this_->displaylist, dx, dy);
 469 #endif
 470                 graphics_draw_cancel(this_->gra, this_->displaylist);
 471                 graphics_displaylist_draw(this_->gra, this_->displaylist, tr, this_->layout_current, this_->graphics_flags);
 472                 transform_destroy(tr);
 473                 this_->moved=1;
 474         }
 475         this_->motion_timeout=NULL;
 476         return;
 477 }
 478
 479 void
 480 navit_handle_motion(struct navit *this_, struct point *p)
 481 {
 482         int dx, dy;
 483
 484         if (this_->button_pressed && !this_->popped) {
 485                 dx=(p->x-this_->pressed.x);
 486                 dy=(p->y-this_->pressed.y);
 487                 if (dx < -8 || dx > 8 || dy < -8 || dy > 8) {
 488                         this_->moved=1;
 489                         if (this_->button_timeout) {
 490                                 event_remove_timeout(this_->button_timeout);
 491                                 this_->button_timeout=NULL;
 492                         }
 493                         this_->current=*p;
 494                         if (! this_->motion_timeout_callback)
 495                                 this_->motion_timeout_callback=callback_new_1(callback_cast(navit_motion_timeout), this_);
 496                         if (! this_->motion_timeout)
 497                                 this_->motion_timeout=event_add_timeout(100, 0, this_->motion_timeout_callback);
 498                 }
 499         }
 500 }
 501
 502 static void
 503 navit_motion(void *data, struct point *p)
 504 {
 505         struct navit *this=data;
 506         if (!this->ignore_graphics_events)
 507                 navit_handle_motion(this, p);
 508 }
 509
 510 static void
 511 navit_scale(struct navit *this_, long scale, struct point *p, int draw)
 512 {
 513         struct coord c1, c2, *center;
 514         if (scale < this_->zoom_min)
 515                 scale=this_->zoom_min;
 516         if (scale > this_->zoom_max)
 517                 scale=this_->zoom_max;
 518         if (p)
 519                 transform_reverse(this_->trans, p, &c1);
 520         transform_set_scale(this_->trans, scale);
 521         if (p) {
 522                 transform_reverse(this_->trans, p, &c2);
 523                 center = transform_center(this_->trans);
 524                 center->x += c1.x - c2.x;
 525                 center->y += c1.y - c2.y;
 526         }
 527         if (draw)
 528                 navit_draw(this_);
 529 }
 530
 531 /**
 532  * @brief Automatically adjusts zoom level
 533  *
 534  * This function automatically adjusts the current
 535  * zoom level according to the current speed.
 536  *
 537  * @param this_ The navit struct
 538  * @param center The "immovable" point - i.e. the vehicles position if we're centering on the vehicle
 539  * @param speed The vehicles speed in meters per second
 540  * @param dir The direction into which the vehicle moves
 541  */
 542 static void
 543 navit_autozoom(struct navit *this_, struct coord *center, int speed, int draw)
 544 {
 545         struct point pc;
 546         int distance,w,h;
 547         double new_scale;
 548         long scale;
 549
 550         if (! this_->autozoom_active) {
 551                 return;
 552         }
 553
 554         distance = speed * this_->autozoom_secs;
 555
 556         transform_get_size(this_->trans, &w, &h);
 557         transform(this_->trans, transform_get_projection(this_->trans), center, &pc, 1, 0, 0, NULL);
 558         scale = transform_get_scale(this_->trans);
 559
 560         /* We make sure that the point we want to see is within a certain range
 561          * around the vehicle. The radius of this circle is the size of the
 562          * screen. This doesn't necessarily mean the point is visible because of
 563          * perspective etc. Quite rough, but should be enough. */
 564
 565         if (w > h) {
 566                 new_scale = (double)distance / h * 16;
 567         } else {
 568                 new_scale = (double)distance / w * 16;
 569         }
 570
 571         if (abs(new_scale - scale) < 2) {
 572                 return; // Smoothing
 573         }
 574
 575         if (new_scale >= this_->autozoom_min) {
 576                 navit_scale(this_, (long)new_scale, &pc, 0);
 577         } else {
 578                 if (scale != this_->autozoom_min) {
 579                         navit_scale(this_, this_->autozoom_min, &pc, 0);
 580                 }
 581         }
 582 }
 583
 584 /**
 585  * Change the current zoom level, zooming closer to the ground
 586  *
 587  * @param navit The navit instance
 588  * @param factor The zoom factor, usually 2
 589  * @param p The invariant point (if set to NULL, default to center)
 590  * @returns nothing
 591  */
 592 void
 593 navit_zoom_in(struct navit *this_, int factor, struct point *p)
 594 {
 595         long scale=transform_get_scale(this_->trans)/factor;
 596         if (scale < 1)
 597                 scale=1;
 598         navit_scale(this_, scale, p, 1);
 599 }
 600
 601 /**
 602  * Change the current zoom level
 603  *
 604  * @param navit The navit instance
 605  * @param factor The zoom factor, usually 2
 606  * @param p The invariant point (if set to NULL, default to center)
 607  * @returns nothing
 608  */
 609 void
 610 navit_zoom_out(struct navit *this_, int factor, struct point *p)
 611 {
 612         long scale=transform_get_scale(this_->trans)*factor;
 613         navit_scale(this_, scale, p, 1);
 614 }
 615
 616 static int
 617 navit_cmd_zoom_in(struct navit *this_)
 618 {
 619         struct point p;
 620         if (this_->vehicle && this_->vehicle->follow_curr == 1 && navit_get_cursor_pnt(this_, &p, NULL)) {
 621                 navit_zoom_in(this_, 2, &p);
 622                 this_->vehicle->follow_curr=this_->vehicle->follow;
 623         } else
 624                 navit_zoom_in(this_, 2, NULL);
 625         return 0;
 626 }
 627
 628 static int
 629 navit_cmd_zoom_out(struct navit *this_)
 630 {
 631         struct point p;
 632         if (this_->vehicle && this_->vehicle->follow_curr == 1 && navit_get_cursor_pnt(this_, &p, NULL)) {
 633                 navit_zoom_out(this_, 2, &p);
 634                 this_->vehicle->follow_curr=this_->vehicle->follow;
 635         } else
 636                 navit_zoom_out(this_, 2, NULL);
 637         return 0;
 638 }
 639
 640
 641 static void
 642 navit_cmd_say(struct navit *this, char *function, struct attr **in, struct attr ***out, int *valid)
 643 {
 644         if (in && in[0] && ATTR_IS_STRING(in[0]->type) && in[0]->u.str)
 645                 navit_say(this, in[0]->u.str);
 646 }
 647
 648 static void
 649 navit_cmd_set_destination(struct navit *this, char *function, struct attr **in, struct attr ***out, int *valid)
 650 {
 651         struct pcoord pc;
 652         char *description=NULL;
 653         if (!in)
 654                 return;
 655         if (!in[0])
 656                 return;
 657         pc.pro = transform_get_projection(this->trans);
 658         if (ATTR_IS_COORD(in[0]->type)) {
 659                 pc.x=in[0]->u.coord->x;
 660                 pc.y=in[0]->u.coord->y;
 661                 in++;
 662         } else if (ATTR_IS_PCOORD(in[0]->type)) {
 663                 pc=*in[0]->u.pcoord;
 664                 in++;
 665         } else if (in[1] && in[2] && ATTR_IS_INT(in[0]->type) && ATTR_IS_INT(in[1]->type) && ATTR_IS_INT(in[2]->type)) {
 666                 pc.pro=in[0]->u.num;
 667                 pc.x=in[1]->u.num;
 668                 pc.y=in[2]->u.num;
 669                 in+=3;
 670         } else if (in[1] && ATTR_IS_INT(in[0]->type) && ATTR_IS_INT(in[1]->type)) {
 671                 pc.x=in[0]->u.num;
 672                 pc.y=in[1]->u.num;
 673                 in+=2;
 674         } else
 675                 return;
 676         if (in[0] && ATTR_IS_STRING(in[0]->type))
 677                 description=in[0]->u.str;
 678         navit_set_destination(this, &pc, description, 1);
 679 }
 680
 681 static void
 682 navit_cmd_fmt_coordinates(struct navit *this, char *function, struct attr **in, struct attr ***out, int *valid)
 683 {
 684         struct attr attr;
 685         attr.type=attr_type_string_begin;
 686         attr.u.str="Fix me";
 687         if (out) {
 688                 *out=attr_generic_add_attr(*out, &attr);
 689         }
 690 }
 691
 692 static struct command_table commands[] = {
 693         {"zoom_in",command_cast(navit_cmd_zoom_in)},
 694         {"zoom_out",command_cast(navit_cmd_zoom_out)},
 695         {"zoom_to_route",command_cast(navit_cmd_zoom_to_route)},
 696         {"say",command_cast(navit_cmd_say)},
 697         {"set_center_cursor",command_cast(navit_cmd_set_center_cursor)},
 698         {"set_destination",command_cast(navit_cmd_set_destination)},
 699         {"announcer_toggle",command_cast(navit_cmd_announcer_toggle)},
 700         {"fmt_coordinates",command_cast(navit_cmd_fmt_coordinates)},
 701 };
 702
 703
 704 struct navit *
 705 navit_new(struct attr *parent, struct attr **attrs)
 706 {
 707         struct navit *this_=g_new0(struct navit, 1);
 708         struct pcoord center;
 709         struct coord co;
 710         struct coord_geo g;
 711         enum projection pro=projection_mg;
 712         int zoom = 256;
 713         g.lat=53.13;
 714         g.lng=11.70;
 715
 716         this_->self.type=attr_navit;
 717         this_->self.u.navit=this_;
 718         this_->attr_cbl=callback_list_new();
 719
 720         this_->orientation=-1;
 721         this_->tracking_flag=1;
 722         this_->recentdest_count=10;
 723         this_->osd_configuration=-1;
 724
 725         this_->center_timeout = 10;
 726         this_->use_mousewheel = 1;
 727         this_->autozoom_secs = 10;
 728         this_->autozoom_min = 7;
 729         this_->autozoom_active = 0;
 730         this_->zoom_min = 1;
 731         this_->zoom_max = 2097152;
 732         this_->follow_cursor = 1;
 733         this_->radius = 30;
 734
 735         this_->trans = transform_new();
 736         transform_from_geo(pro, &g, &co);
 737         center.x=co.x;
 738         center.y=co.y;
 739         center.pro = pro;
 740
 741         transform_setup(this_->trans, &center, zoom, (this_->orientation != -1) ? this_->orientation : 0);
 742
 743         this_->bookmarks=bookmarks_new(&this_->self, NULL, this_->trans);
 744
 745         this_->prevTs=0;
 746
 747         for (;*attrs; attrs++) {
 748                 navit_set_attr_do(this_, *attrs, 1);
 749         }
 750         this_->displaylist=graphics_displaylist_new();
 751         command_add_table(this_->attr_cbl, commands, sizeof(commands)/sizeof(struct command_table), this_);
 752
 753         this_->messages = messagelist_new(attrs);
 754
 755         return this_;
 756 }
 757
 758 static int
 759 navit_set_gui(struct navit *this_, struct gui *gui)
 760 {
 761         if (this_->gui)
 762                 return 0;
 763         this_->gui=gui;
 764         if (gui_has_main_loop(this_->gui)) {
 765                 if (! main_loop_gui) {
 766                         main_loop_gui=this_->gui;
 767                 } else {
 768                         dbg(0,"gui with main loop already active, ignoring this instance");
 769                         return 0;
 770                 }
 771         }
 772         return 1;
 773 }
 774
 775 void
 776 navit_add_message(struct navit *this_, char *message)
 777 {
 778         message_new(this_->messages, message);
 779 }
 780
 781 struct message
 782 *navit_get_messages(struct navit *this_)
 783 {
 784         return message_get(this_->messages);
 785 }
 786
 787 static int
 788 navit_set_graphics(struct navit *this_, struct graphics *gra)
 789 {
 790         if (this_->gra)
 791                 return 0;
 792         this_->gra=gra;
 793         this_->resize_callback=callback_new_attr_1(callback_cast(navit_resize), attr_resize, this_);
 794         graphics_add_callback(gra, this_->resize_callback);
 795         this_->button_callback=callback_new_attr_1(callback_cast(navit_button), attr_button, this_);
 796         graphics_add_callback(gra, this_->button_callback);
 797         this_->motion_callback=callback_new_attr_1(callback_cast(navit_motion), attr_motion, this_);
 798         graphics_add_callback(gra, this_->motion_callback);
 799         return 1;
 800 }
 801
 802 struct graphics *
 803 navit_get_graphics(struct navit *this_)
 804 {
 805         return this_->gra;
 806 }
 807
 808 struct vehicleprofile *
 809 navit_get_vehicleprofile(struct navit *this_)
 810 {
 811         return this_->vehicleprofile;
 812 }
 813
 814 GList *
 815 navit_get_vehicleprofiles(struct navit *this_)
 816 {
 817         return this_->vehicleprofiles;
 818 }
 819
 820 static void
 821 navit_projection_set(struct navit *this_, enum projection pro, int draw)
 822 {
 823         struct coord_geo g;
 824         struct coord *c;
 825
 826         c=transform_center(this_->trans);
 827         transform_to_geo(transform_get_projection(this_->trans), c, &g);
 828         transform_set_projection(this_->trans, pro);
 829         transform_from_geo(pro, &g, c);
 830         if (draw)
 831                 navit_draw(this_);
 832 }
 833
 834 /**
 835  * Start the route computing to a given set of coordinates
 836  *
 837  * @param navit The navit instance
 838  * @param c The coordinate to start routing to
 839  * @param description A label which allows the user to later identify this destination in the former destinations selection
 840  * @returns nothing
 841  */
 842 void
 843 navit_set_destination(struct navit *this_, struct pcoord *c, const char *description, int async)
 844 {
 845         if (c) {
 846                 this_->destination=*c;
 847                 this_->destination_valid=1;
 848         } else
 849                 this_->destination_valid=0;
 850         char *destination_file = bookmarks_get_destination_file(TRUE);
 851         bookmarks_append_coord(this_->bookmarks, destination_file, c, 1, "former_destination", description, NULL, this_->recentdest_count);
 852         g_free(destination_file);
 853         callback_list_call_attr_0(this_->attr_cbl, attr_destination);
 854         if (this_->route) {
 855                 route_set_destination(this_->route, c, async);
 856
 857                 if (this_->ready == 3)
 858                         navit_draw(this_);
 859         }
 860 }
 861
 862 /**
 863  * Start the route computing to a given set of coordinates including waypoints
 864  *
 865  * @param navit The navit instance
 866  * @param c The coordinate to start routing to
 867  * @param description A label which allows the user to later identify this destination in the former destinations selection
 868  * @returns nothing
 869  */
 870 void
 871 navit_set_destinations(struct navit *this_, struct pcoord *c, int count, const char *description, int async)
 872 {
 873         if (c && count) {
 874                 this_->destination=c[count-1];
 875                 this_->destination_valid=1;
 876         } else
 877                 this_->destination_valid=0;
 878         char *destination_file = bookmarks_get_destination_file(TRUE);
 879         bookmarks_append_coord(this_->bookmarks, destination_file, c, count, "former_itinerary", description, NULL, this_->recentdest_count);
 880         g_free(destination_file);
 881         callback_list_call_attr_0(this_->attr_cbl, attr_destination);
 882         if (this_->route) {
 883                 route_set_destinations(this_->route, c, count, async);
 884
 885                 if (this_->ready == 3)
 886                         navit_draw(this_);
 887         }
 888 }
 889
 890 /**
 891  * @brief Checks if a route is calculated
 892  *
 893  * This function checks if a route is calculated.
 894  *
 895  * @param this_ The navit struct whose route should be checked.
 896  * @return True if the route is set, false otherwise.
 897  */
 898 int
 899 navit_check_route(struct navit *this_)
 900 {
 901         if (this_->route) {
 902                 return route_get_path_set(this_->route);
 903         }
 904
 905         return 0;
 906 }
 907
 908 static int
 909 navit_former_destinations_active(struct navit *this_)
 910 {
 911         char *destination_file = bookmarks_get_destination_file(FALSE);
 912         FILE *f;
 913         int active=0;
 914         char buffer[3];
 915         f=fopen(destination_file,"r");
 916         if (f) {
 917                 if(!fseek(f, -2, SEEK_END) && fread(buffer, 2, 1, f) == 1 && (buffer[0]!='\n' || buffer[1]!='\n'))
 918                         active=1;
 919                 fclose(f);
 920         }
 921         g_free(destination_file);
 922         return active;
 923 }
 924
 925 static void
 926 navit_add_former_destinations_from_file(struct navit *this_)
 927 {
 928         char *destination_file = bookmarks_get_destination_file(FALSE);
 929         struct attr parent={attr_navit, .u.navit=this_};
 930         struct attr type={attr_type, {"textfile"}}, data={attr_data, {destination_file}}, flags={attr_flags, {(void *)1}};
 931         struct attr *attrs[]={&type, &data, &flags, NULL};
 932         struct map_rect *mr;
 933         struct item *item;
 934         int i,valid=0,count=0;
 935         struct coord c[16];
 936         struct pcoord pc[16];
 937
 938         this_->former_destination=map_new(&parent, attrs);
 939         g_free(destination_file);
 940         if (!this_->route || !navit_former_destinations_active(this_))
 941                 return;
 942         mr=map_rect_new(this_->former_destination, NULL);
 943         while ((item=map_rect_get_item(mr))) {
 944                 if ((item->type == type_former_destination || item->type == type_former_itinerary || item->type == type_former_itinerary_part) && (count=item_coord_get(item, c, 16)))
 945                         valid=1;
 946         }
 947         map_rect_destroy(mr);
 948         if (valid && count > 0) {
 949                 for (i = 0 ; i < count ; i++) {
 950                         pc[i].pro=map_projection(this_->former_destination);
 951                         pc[i].x=c[i].x;
 952                         pc[i].y=c[i].y;
 953                 }
 954                 if (count == 1)
 955                         route_set_destination(this_->route, &pc[0], 1);
 956                 else
 957                         route_set_destinations(this_->route, pc, count, 1);
 958                 this_->destination=pc[count-1];
 959                 this_->destination_valid=1;
 960         }
 961 }
 962
 963
 964 void
 965 navit_textfile_debug_log(struct navit *this_, const char *fmt, ...)
 966 {
 967         va_list ap;
 968         char *str1,*str2;
 969         va_start(ap, fmt);
 970         if (this_->textfile_debug_log && this_->vehicle) {
 971                 str1=g_strdup_vprintf(fmt, ap);
 972                 str2=g_strdup_printf("0x%x 0x%x%s%s\n", this_->vehicle->coord.x, this_->vehicle->coord.y, strlen(str1) ? " " : "", str1);
 973                 log_write(this_->textfile_debug_log, str2, strlen(str2), 0);
 974                 g_free(str2);
 975                 g_free(str1);
 976         }
 977         va_end(ap);
 978 }
 979
 980 int
 981 navit_speech_estimate(struct navit *this_, char *str)
 982 {
 983         return speech_estimate_duration(this_->speech, str);
 984 }
 985
 986 void
 987 navit_say(struct navit *this_, char *text)
 988 {
 989         speech_say(this_->speech, text);
 990 }
 991
 992 /**
 993  * @brief Toggles the navigation announcer for navit
 994  * @param this_ The navit object
 995  */
 996 static void
 997 navit_cmd_announcer_toggle(struct navit *this_)
 998 {
 999     struct attr attr, speechattr;
1000
1001     // search for the speech attribute
1002     if(!navit_get_attr(this_, attr_speech, &speechattr, NULL))
1003         return;
1004     // find out if the corresponding attribute attr_active has been set
1005     if(speech_get_attr(speechattr.u.speech, attr_active, &attr, NULL)) {
1006         // flip it then...
1007         attr.u.num = !attr.u.num;
1008     } else {
1009         // otherwise disable it because voice is enabled by default
1010         attr.type = attr_active;
1011         attr.u.num = 0;
1012     }
1013
1014     // apply the new state
1015     if(!speech_set_attr(speechattr.u.speech, &attr))
1016         return;
1017
1018     // announce that the speech attribute has changed
1019     callback_list_call_attr_0(this_->attr_cbl, attr_speech);
1020 }
1021
1022 void
1023 navit_speak(struct navit *this_)
1024 {
1025         struct navigation *nav=this_->navigation;
1026         struct map *map=NULL;
1027         struct map_rect *mr=NULL;
1028         struct item *item;
1029         struct attr attr;
1030
1031     if (!speech_get_attr(this_->speech, attr_active, &attr, NULL))
1032         attr.u.num = 1;
1033     dbg(1, "this_.speech->active %i\n", attr.u.num);
1034     if(!attr.u.num)
1035         return;
1036
1037         if (nav)
1038                 map=navigation_get_map(nav);
1039         if (map)
1040                 mr=map_rect_new(map, NULL);
1041         if (mr) {
1042                 while ((item=map_rect_get_item(mr)) && (item->type == type_nav_position || item->type == type_nav_none));
1043                 if (item && item_attr_get(item, attr_navigation_speech, &attr)) {
1044                         speech_say(this_->speech, attr.u.str);
1045                         navit_add_message(this_, attr.u.str);
1046                         navit_textfile_debug_log(this_, "type=announcement label=\"%s\"", attr.u.str);
1047                 }
1048                 map_rect_destroy(mr);
1049         }
1050 }
1051
1052 static void
1053 navit_window_roadbook_update(struct navit *this_)
1054 {
1055         struct navigation *nav=this_->navigation;
1056         struct map *map=NULL;
1057         struct map_rect *mr=NULL;
1058         struct item *item;
1059         struct attr attr;
1060         struct param_list param[5];
1061         int secs;
1062
1063         dbg(1,"enter\n");
1064         datawindow_mode(this_->roadbook_window, 1);
1065         if (nav)
1066                 map=navigation_get_map(nav);
1067         if (map)
1068                 mr=map_rect_new(map, NULL);
1069         dbg(0,"nav=%p map=%p mr=%p\n", nav, map, mr);
1070         if (mr) {
1071                 dbg(0,"while loop\n");
1072                 while ((item=map_rect_get_item(mr))) {
1073                         dbg(0,"item=%p\n", item);
1074                         attr.u.str=NULL;
1075                         if (item->type != type_nav_position) {
1076                                 item_attr_get(item, attr_navigation_long, &attr);
1077                                 if (attr.u.str == NULL) {
1078                                         continue;
1079                                 }
1080                                 dbg(2, "Command='%s'\n", attr.u.str);
1081                                 param[0].value=g_strdup(attr.u.str);
1082                         } else
1083                                 param[0].value=_("Position");
1084                         param[0].name=_("Command");
1085
1086                         item_attr_get(item, attr_length, &attr);
1087                         dbg(2, "Length=%d\n", attr.u.num);
1088                         param[1].name=_("Length");
1089
1090                         if ( attr.u.num >= 2000 )
1091                         {
1092                                 param[1].value=g_strdup_printf("%5.1f %s",(float)attr.u.num / 1000, _("km") );
1093                         }
1094                         else
1095                         {
1096                                 param[1].value=g_strdup_printf("%7d %s",attr.u.num, _("m"));
1097                         }
1098
1099                         item_attr_get(item, attr_time, &attr);
1100                         dbg(2, "Time=%d\n", attr.u.num);
1101                         secs=attr.u.num/10;
1102                         param[2].name=_("Time");
1103                         if ( secs >= 3600 )
1104                         {
1105                                 param[2].value=g_strdup_printf("%d:%02d:%02d",secs / 60, ( secs / 60 ) % 60 , secs % 60);
1106                         }
1107                         else
1108                         {
1109                                 param[2].value=g_strdup_printf("%d:%02d",secs / 60, secs % 60);
1110                         }
1111
1112                         item_attr_get(item, attr_destination_length, &attr);
1113                         dbg(2, "Destlength=%d\n", attr.u.num);
1114                         param[3].name=_("Destination Length");
1115                         if ( attr.u.num >= 2000 )
1116                         {
1117                                 param[3].value=g_strdup_printf("%5.1f %s",(float)attr.u.num / 1000, _("km") );
1118                         }
1119                         else
1120                         {
1121                                 param[3].value=g_strdup_printf("%d %s",attr.u.num, _("m"));
1122                         }
1123
1124                         item_attr_get(item, attr_destination_time, &attr);
1125                         dbg(2, "Desttime=%d\n", attr.u.num);
1126                         secs=attr.u.num/10;
1127                         param[4].name=_("Destination Time");
1128                         if ( secs >= 3600 )
1129                         {
1130                                 param[4].value=g_strdup_printf("%d:%02d:%02d",secs / 3600, (secs / 60 ) % 60 , secs % 60);
1131                         }
1132                         else
1133                         {
1134                                 param[4].value=g_strdup_printf("%d:%02d",secs / 60, secs % 60);
1135                         }
1136                         datawindow_add(this_->roadbook_window, param, 5);
1137                 }
1138                 map_rect_destroy(mr);
1139         }
1140         datawindow_mode(this_->roadbook_window, 0);
1141 }
1142
1143 void
1144 navit_window_roadbook_destroy(struct navit *this_)
1145 {
1146         dbg(0, "enter\n");
1147         navigation_unregister_callback(this_->navigation, attr_navigation_long, this_->roadbook_callback);
1148         this_->roadbook_window=NULL;
1149         this_->roadbook_callback=NULL;
1150 }
1151 void
1152 navit_window_roadbook_new(struct navit *this_)
1153 {
1154         if (!this_->gui || this_->roadbook_callback || this_->roadbook_window) {
1155                 return;
1156         }
1157
1158         this_->roadbook_callback=callback_new_1(callback_cast(navit_window_roadbook_update), this_);
1159         navigation_register_callback(this_->navigation, attr_navigation_long, this_->roadbook_callback);
1160         this_->roadbook_window=gui_datawindow_new(this_->gui, _("Roadbook"), NULL, callback_new_1(callback_cast(navit_window_roadbook_destroy), this_));
1161         navit_window_roadbook_update(this_);
1162 }
1163
1164 void
1165 navit_init(struct navit *this_)
1166 {
1167         struct mapset *ms;
1168         struct map *map;
1169         int callback;
1170
1171         dbg(2,"enter gui %p graphics %p\n",this_->gui,this_->gra);
1172
1173         if (!this_->gui && !(this_->flags & 2)) {
1174                 dbg(0,"no gui\n");
1175                 navit_destroy(this_);
1176                 return;
1177         }
1178         if (!this_->gra && !(this_->flags & 1)) {
1179                 dbg(0,"no graphics\n");
1180                 navit_destroy(this_);
1181                 return;
1182         }
1183         dbg(2,"Connecting gui to graphics\n");
1184         if (this_->gui && this_->gra && gui_set_graphics(this_->gui, this_->gra)) {
1185                 struct attr attr_type_gui, attr_type_graphics;
1186                 gui_get_attr(this_->gui, attr_type, &attr_type_gui, NULL);
1187                 graphics_get_attr(this_->gra, attr_type, &attr_type_graphics, NULL);
1188                 dbg(0,"failed to connect graphics '%s' to gui '%s'\n", attr_type_graphics.u.str, attr_type_gui.u.str);
1189                 dbg(0," Please see http://wiki.navit-project.org/index.php/Failed_to_connect_graphics_to_gui\n");
1190                 dbg(0," for explanations and solutions\n");
1191
1192                 navit_destroy(this_);
1193                 return;
1194         }
1195         dbg(2,"Initializing graphics\n");
1196         dbg(2,"Setting Vehicle\n");
1197         navit_set_vehicle(this_, this_->vehicle);
1198         dbg(2,"Adding dynamic maps to mapset %p\n",this_->mapsets);
1199         if (this_->mapsets) {
1200                 ms=this_->mapsets->data;
1201                 if (this_->route) {
1202                         if ((map=route_get_map(this_->route)))
1203                                 mapset_add_attr(ms, &(struct attr){attr_map,.u.map=map});
1204                         if ((map=route_get_graph_map(this_->route))) {
1205                                 mapset_add_attr(ms, &(struct attr){attr_map,.u.map=map});
1206                                 map_set_attr(map, &(struct attr ){attr_active,.u.num=0});
1207                         }
1208                         route_set_mapset(this_->route, ms);
1209                         route_set_projection(this_->route, transform_get_projection(this_->trans));
1210                 }
1211                 if (this_->tracking) {
1212                         tracking_set_mapset(this_->tracking, ms);
1213                         if (this_->route)
1214                                 tracking_set_route(this_->tracking, this_->route);
1215                 }
1216                 if (this_->navigation) {
1217                         if ((map=navigation_get_map(this_->navigation))) {
1218                                 mapset_add_attr(ms, &(struct attr){attr_map,.u.map=map});
1219                                 map_set_attr(map, &(struct attr ){attr_active,.u.num=0});
1220                         }
1221                 }
1222                 if (this_->tracking) {
1223                         if ((map=tracking_get_map(this_->tracking))) {
1224                                 mapset_add_attr(ms, &(struct attr){attr_map,.u.map=map});
1225                                 map_set_attr(map, &(struct attr ){attr_active,.u.num=0});
1226                         }
1227                 }
1228                 navit_add_former_destinations_from_file(this_);
1229         }
1230         if (this_->route) {
1231                 struct attr callback;
1232                 this_->route_cb=callback_new_attr_1(callback_cast(navit_redraw_route), attr_route_status, this_);
1233                 callback.type=attr_callback;
1234                 callback.u.callback=this_->route_cb;
1235                 route_add_attr(this_->route, &callback);
1236         }
1237         if (this_->navigation) {
1238                 if (this_->speech) {
1239                         this_->nav_speech_cb=callback_new_1(callback_cast(navit_speak), this_);
1240                         navigation_register_callback(this_->navigation, attr_navigation_speech, this_->nav_speech_cb);
1241                 }
1242                 if (this_->route)
1243                         navigation_set_route(this_->navigation, this_->route);
1244         }
1245         dbg(2,"Setting Center\n");
1246         char *center_file = bookmarks_get_center_file(FALSE);
1247         bookmarks_set_center_from_file(this_->bookmarks, center_file);
1248         g_free(center_file);
1249 #if 0
1250         if (this_->menubar) {
1251                 men=menu_add(this_->menubar, "Data", menu_type_submenu, NULL);
1252                 if (men) {
1253                         navit_add_menu_windows_items(this_, men);
1254                 }
1255         }
1256 #endif
1257         global_navit=this_;
1258 #if 0
1259         navit_window_roadbook_new(this_);
1260         navit_window_items_new(this_);
1261 #endif
1262
1263         messagelist_init(this_->messages);
1264
1265         navit_set_cursors(this_);
1266
1267         callback_list_call_attr_1(this_->attr_cbl, attr_navit, this_);
1268         callback=(this_->ready == 2);
1269         this_->ready|=1;
1270         dbg(2,"ready=%d\n",this_->ready);
1271         if (this_->ready == 3)
1272                 navit_draw(this_);
1273         if (callback)
1274                 callback_list_call_attr_1(this_->attr_cbl, attr_graphics_ready, this_);
1275 #if 0
1276         routech_test(this_);
1277 #endif
1278 }
1279
1280 void
1281 navit_zoom_to_route(struct navit *this_, int orientation)
1282 {
1283         struct map *map;
1284         struct map_rect *mr=NULL;
1285         struct item *item;
1286         struct coord c;
1287         struct coord_rect r;
1288         int count=0,scale=16;
1289         if (! this_->route)
1290                 return;
1291         dbg(1,"enter\n");
1292         map=route_get_map(this_->route);
1293         dbg(1,"map=%p\n",map);
1294         if (map)
1295                 mr=map_rect_new(map, NULL);
1296         dbg(1,"mr=%p\n",mr);
1297         if (mr) {
1298                 while ((item=map_rect_get_item(mr))) {
1299                         dbg(1,"item=%s\n", item_to_name(item->type));
1300                         while (item_coord_get(item, &c, 1)) {
1301                                 dbg(1,"coord\n");
1302                                 if (!count)
1303                                         r.lu=r.rl=c;
1304                                 else
1305                                         coord_rect_extend(&r, &c);
1306                                 count++;
1307                         }
1308                 }
1309         }
1310         if (! count)
1311                 return;
1312         c.x=(r.rl.x+r.lu.x)/2;
1313         c.y=(r.rl.y+r.lu.y)/2;
1314         dbg(1,"count=%d\n",count);
1315         if (orientation != -1)
1316                 transform_set_yaw(this_->trans, orientation);
1317         transform_set_center(this_->trans, &c);
1318         dbg(1,"%x,%x-%x,%x\n", r.rl.x,r.rl.y,r.lu.x,r.lu.y);
1319         while (scale < 1<<20) {
1320                 struct point p1,p2;
1321                 transform_set_scale(this_->trans, scale);
1322                 transform_setup_source_rect(this_->trans);
1323                 transform(this_->trans, transform_get_projection(this_->trans), &r.lu, &p1, 1, 0, 0, NULL);
1324                 transform(this_->trans, transform_get_projection(this_->trans), &r.rl, &p2, 1, 0, 0, NULL);
1325                 dbg(1,"%d,%d-%d,%d\n",p1.x,p1.y,p2.x,p2.y);
1326                 if (p1.x < 0 || p2.x < 0 || p1.x > this_->w || p2.x > this_->w ||
1327                     p1.y < 0 || p2.y < 0 || p1.y > this_->h || p2.y > this_->h)
1328                         scale*=2;
1329                 else
1330                         break;
1331
1332         }
1333         if (this_->ready == 3)
1334                 navit_draw_async(this_,0);
1335 }
1336
1337 static void
1338 navit_cmd_zoom_to_route(struct navit *this)
1339 {
1340         navit_zoom_to_route(this, 0);
1341 }
1342
1343
1344 /**
1345  * Change the current zoom level
1346  *
1347  * @param navit The navit instance
1348  * @param center The point where to center the map, including its projection
1349  * @returns nothing
1350  */
1351 void
1352 navit_set_center(struct navit *this_, struct pcoord *center, int set_timeout)
1353 {
1354         struct coord *c=transform_center(this_->trans);
1355         struct coord c1,c2;
1356         enum projection pro = transform_get_projection(this_->trans);
1357         if (pro != center->pro) {
1358                 c1.x = center->x;
1359                 c1.y = center->y;
1360                 transform_from_to(&c1, center->pro, &c2, pro);
1361         } else {
1362                 c2.x = center->x;
1363                 c2.y = center->y;
1364         }
1365         *c=c2;
1366         if (set_timeout)
1367                 navit_set_timeout(this_);
1368         if (this_->ready == 3)
1369                 navit_draw(this_);
1370 }
1371
1372 static void
1373 navit_set_center_coord_screen(struct navit *this_, struct coord *c, struct point *p, int set_timeout)
1374 {
1375         int width, height;
1376         struct point po;
1377         transform_set_center(this_->trans, c);
1378         transform_get_size(this_->trans, &width, &height);
1379         po.x=width/2;
1380         po.y=height/2;
1381         update_transformation(this_->trans, &po, p, NULL);
1382         if (set_timeout)
1383                 navit_set_timeout(this_);
1384 }
1385
1386 /**
1387  * Links all vehicles to a cursor depending on the current profile.
1388  *
1389  * @param this_ A navit instance
1390  * @author Ralph Sennhauser (10/2009)
1391  */
1392 static void
1393 navit_set_cursors(struct navit *this_)
1394 {
1395         struct attr name;
1396         struct navit_vehicle *nv;
1397         struct cursor *c;
1398         GList *v;
1399
1400         v=g_list_first(this_->vehicles); // GList of navit_vehicles
1401         while (v) {
1402                 nv=v->data;
1403                 if (vehicle_get_attr(nv->vehicle, attr_cursorname, &name, NULL)) {
1404                         if (!strcmp(name.u.str,"none"))
1405                                 c=NULL;
1406                         else
1407                                 c=layout_get_cursor(this_->layout_current, name.u.str);
1408                 } else
1409                         c=layout_get_cursor(this_->layout_current, "default");
1410                 vehicle_set_cursor(nv->vehicle, c);
1411                 v=g_list_next(v);
1412         }
1413         return;
1414 }
1415
1416 static int
1417 navit_get_cursor_pnt(struct navit *this_, struct point *p, int *dir)
1418 {
1419         int width, height;
1420         struct navit_vehicle *nv=this_->vehicle;
1421
1422         float offset=this_->radius;      // Cursor offset from the center of the screen (percent).
1423 #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 */
1424         float min_offset = 0.;      // Percent offset at min_offset_speed.
1425         float max_offset = 30.;     // Percent offset at max_offset_speed.
1426         int min_offset_speed = 2;   // Speed in km/h
1427         int max_offset_speed = 50;  // Speed ini km/h
1428         // Calculate cursor offset from the center of the screen, upon speed.
1429         if (nv->speed <= min_offset_speed) {
1430             offset = min_offset;
1431         } else if (nv->speed > max_offset_speed) {
1432             offset = max_offset;
1433         } else {
1434             offset = (max_offset - min_offset) / (max_offset_speed - min_offset_speed) * (nv->speed - min_offset_speed);
1435         }
1436 #endif
1437
1438         transform_get_size(this_->trans, &width, &height);
1439         if (this_->orientation == -1) {
1440                 p->x=50*width/100;
1441                 p->y=(50 + offset)*height/100;
1442                 if (dir)
1443                         *dir=nv->dir;
1444         } else {
1445                 int mdir;
1446                 if (this_->tracking && this_->tracking_flag) {
1447                         mdir = tracking_get_angle(this_->tracking) - this_->orientation;
1448                 } else {
1449                         mdir=nv->dir-this_->orientation;
1450                 }
1451
1452                 p->x=(50 - offset*sin(M_PI*mdir/180.))*width/100;
1453                 p->y=(50 + offset*cos(M_PI*mdir/180.))*height/100;
1454                 if (dir)
1455                         *dir=this_->orientation;
1456         }
1457         return 1;
1458 }
1459
1460 static void
1461 navit_set_center_cursor(struct navit *this_)
1462 {
1463         int dir;
1464         struct point pn;
1465         struct navit_vehicle *nv=this_->vehicle;
1466         navit_get_cursor_pnt(this_, &pn, &dir);
1467         transform_set_yaw(this_->trans, dir);
1468         navit_set_center_coord_screen(this_, &nv->coord, &pn, 0);
1469         navit_autozoom(this_, &nv->coord, nv->speed, 0);
1470         if (this_->ready == 3)
1471                 navit_draw_async(this_, 1);
1472 }
1473
1474 static void
1475 navit_cmd_set_center_cursor(struct navit *this_)
1476 {
1477         navit_set_center_cursor(this_);
1478 }
1479
1480 void
1481 navit_set_center_screen(struct navit *this_, struct point *p, int set_timeout)
1482 {
1483         struct coord c;
1484         struct pcoord pc;
1485         transform_reverse(this_->trans, p, &c);
1486         pc.x = c.x;
1487         pc.y = c.y;
1488         pc.pro = transform_get_projection(this_->trans);
1489         navit_set_center(this_, &pc, set_timeout);
1490 }
1491
1492 #if 0
1493                 switch((*attrs)->type) {
1494                 case attr_zoom:
1495                         zoom=(*attrs)->u.num;
1496                         break;
1497                 case attr_center:
1498                         g=*((*attrs)->u.coord_geo);
1499                         break;
1500 #endif
1501
1502 static int
1503 navit_set_attr_do(struct navit *this_, struct attr *attr, int init)
1504 {
1505         int dir=0, orient_old=0, attr_updated=0;
1506         struct coord co;
1507         long zoom;
1508         GList *l;
1509         struct navit_vehicle *nv;
1510         struct attr active=(struct attr){attr_active,{(void *)0}};
1511         struct layout *lay;
1512
1513         switch (attr->type) {
1514         case attr_autozoom:
1515                 attr_updated=(this_->autozoom_secs != attr->u.num);
1516                 this_->autozoom_secs = attr->u.num;
1517                 break;
1518         case attr_autozoom_active:
1519                 attr_updated=(this_->autozoom_active != attr->u.num);
1520                 this_->autozoom_active = attr->u.num;
1521                 break;
1522         case attr_center:
1523                 transform_from_geo(transform_get_projection(this_->trans), attr->u.coord_geo, &co);
1524                 dbg(1,"0x%x,0x%x\n",co.x,co.y);
1525                 transform_set_center(this_->trans, &co);
1526                 break;
1527         case attr_drag_bitmap:
1528                 attr_updated=(this_->drag_bitmap != !!attr->u.num);
1529                 this_->drag_bitmap=!!attr->u.num;
1530                 break;
1531         case attr_flags:
1532                 attr_updated=(this_->flags != attr->u.num);
1533                 this_->flags=attr->u.num;
1534                 break;
1535         case attr_flags_graphics:
1536                 attr_updated=(this_->graphics_flags != attr->u.num);
1537                 this_->graphics_flags=attr->u.num;
1538                 break;
1539         case attr_follow:
1540                 if (!this_->vehicle)
1541                         return 0;
1542                 attr_updated=(this_->vehicle->follow_curr != attr->u.num);
1543                 this_->vehicle->follow_curr = attr->u.num;
1544                 break;
1545         case attr_layout:
1546                 if(this_->layout_current!=attr->u.layout) {
1547                         this_->layout_current=attr->u.layout;
1548                         graphics_font_destroy_all(this_->gra);
1549                         navit_set_cursors(this_);
1550                         if (this_->ready == 3)
1551                                 navit_draw(this_);
1552                         attr_updated=1;
1553                 }
1554                 break;
1555         case attr_layout_name:
1556                 l=this_->layouts;
1557                 while (l) {
1558                         lay=l->data;
1559                         if (!strcmp(lay->name,attr->u.str)) {
1560                                 struct attr attr;
1561                                 attr.type=attr_layout;
1562                                 attr.u.layout=lay;
1563                                 return navit_set_attr_do(this_, &attr, init);
1564                         }
1565                         l=g_list_next(l);
1566                 }
1567                 return 0;
1568         case attr_orientation:
1569                 orient_old=this_->orientation;
1570                 this_->orientation=attr->u.num;
1571                 if (!init) {
1572                         if (this_->orientation != -1) {
1573                                 dir = this_->orientation;
1574                         } else {
1575                                 if (this_->vehicle) {
1576                                         dir = this_->vehicle->dir;
1577                                 }
1578                         }
1579                         transform_set_yaw(this_->trans, dir);
1580                         if (orient_old != this_->orientation) {
1581 #if 0
1582                                 if (this_->ready == 3)
1583                                         navit_draw(this_);
1584 #endif
1585                                 attr_updated=1;
1586                         }
1587                 }
1588                 break;
1589         case attr_osd_configuration:
1590                 dbg(0,"setting osd_configuration to %d (was %d)\n", attr->u.num, this_->osd_configuration);
1591                 attr_updated=(this_->osd_configuration != attr->u.num);
1592                 this_->osd_configuration=attr->u.num;
1593                 break;
1594         case attr_pitch:
1595                 attr_updated=(this_->pitch != attr->u.num);
1596                 this_->pitch=attr->u.num;
1597                 transform_set_pitch(this_->trans, this_->pitch);
1598                 if (!init && attr_updated && this_->ready == 3)
1599                         navit_draw(this_);
1600                 break;
1601         case attr_projection:
1602                 if(this_->trans && transform_get_projection(this_->trans) != attr->u.projection) {
1603                         navit_projection_set(this_, attr->u.projection, !init);
1604                         attr_updated=1;
1605                 }
1606                 break;
1607         case attr_radius:
1608                 attr_updated=(this_->radius != attr->u.num);
1609                 this_->radius=attr->u.num;
1610                 break;
1611         case attr_recent_dest:
1612                 attr_updated=(this_->recentdest_count != attr->u.num);
1613                 this_->recentdest_count=attr->u.num;
1614                 break;
1615         case attr_speech:
1616                 if(this_->speech && this_->speech != attr->u.speech) {
1617                         attr_updated=1;
1618                         this_->speech = attr->u.speech;
1619                 }
1620                 break;
1621         case attr_timeout:
1622                 attr_updated=(this_->center_timeout != attr->u.num);
1623                 this_->center_timeout = attr->u.num;
1624                 break;
1625         case attr_tracking:
1626                 attr_updated=(this_->tracking_flag != !!attr->u.num);
1627                 this_->tracking_flag=!!attr->u.num;
1628                 break;
1629         case attr_transformation:
1630                 this_->trans=attr->u.transformation;
1631                 break;
1632         case attr_use_mousewheel:
1633                 attr_updated=(this_->use_mousewheel != !!attr->u.num);
1634                 this_->use_mousewheel=!!attr->u.num;
1635                 break;
1636         case attr_vehicle:
1637                 l=this_->vehicles;
1638                 while(l) {
1639                         nv=l->data;
1640                         if (nv->vehicle == attr->u.vehicle) {
1641                                 if (!this_->vehicle || this_->vehicle->vehicle != attr->u.vehicle) {
1642                                         if (this_->vehicle)
1643                                                 vehicle_set_attr(this_->vehicle->vehicle, &active);
1644                                         active.u.num=1;
1645                                         vehicle_set_attr(nv->vehicle, &active);
1646                                         attr_updated=1;
1647                                 }
1648                                 navit_set_vehicle(this_, nv);
1649                         }
1650                         l=g_list_next(l);
1651                 }
1652                 break;
1653         case attr_zoom:
1654                 zoom=transform_get_scale(this_->trans);
1655                 attr_updated=(zoom != attr->u.num);
1656                 transform_set_scale(this_->trans, attr->u.num);
1657                 if (attr_updated && !init)
1658                         navit_draw(this_);
1659                 break;
1660         case attr_zoom_min:
1661                 attr_updated=(attr->u.num != this_->zoom_min);
1662                 this_->zoom_min=attr->u.num;
1663                 break;
1664         case attr_zoom_max:
1665                 attr_updated=(attr->u.num != this_->zoom_max);
1666                 this_->zoom_max=attr->u.num;
1667                 break;
1668         case attr_message:
1669                 navit_add_message(this_, attr->u.str);
1670                 break;
1671         case attr_follow_cursor:
1672                 attr_updated=(this_->follow_cursor != !!attr->u.num);
1673                 this_->follow_cursor=!!attr->u.num;
1674                 break;
1675         default:
1676                 return 0;
1677         }
1678         if (attr_updated && !init) {
1679                 callback_list_call_attr_2(this_->attr_cbl, attr->type, this_, attr);
1680                 if (attr->type == attr_osd_configuration)
1681                         graphics_draw_mode(this_->gra, draw_mode_end);
1682         }
1683         return 1;
1684 }
1685
1686 int
1687 navit_set_attr(struct navit *this_, struct attr *attr)
1688 {
1689         return navit_set_attr_do(this_, attr, 0);
1690 }
1691
1692 int
1693 navit_get_attr(struct navit *this_, enum attr_type type, struct attr *attr, struct attr_iter *iter)
1694 {
1695         struct message *msg;
1696         int len,offset;
1697         int ret=1;
1698
1699         switch (type) {
1700         case attr_message:
1701                 msg = navit_get_messages(this_);
1702
1703                 if (!msg) {
1704                         return 0;
1705                 }
1706
1707                 len = 0;
1708                 while (msg) {
1709                         len += strlen(msg->text) + 1;
1710                         msg = msg->next;
1711                 }
1712                 attr->u.str = g_malloc(len + 1);
1713
1714                 msg = navit_get_messages(this_);
1715                 offset = 0;
1716                 while (msg) {
1717                         g_stpcpy((attr->u.str + offset), msg->text);
1718                         offset += strlen(msg->text);
1719                         attr->u.str[offset] = '\n';
1720                         offset++;
1721
1722                         msg = msg->next;
1723                 }
1724
1725                 attr->u.str[len] = '\0';
1726                 break;
1727         case attr_bookmark_map:
1728                 attr->u.map=bookmarks_get_map(this_->bookmarks);
1729                 break;
1730         case attr_bookmarks:
1731                 attr->u.bookmarks=this_->bookmarks;
1732                 break;
1733         case attr_callback_list:
1734                 attr->u.callback_list=this_->attr_cbl;
1735                 break;
1736         case attr_destination:
1737                 if (! this_->destination_valid)
1738                         return 0;
1739                 attr->u.pcoord=&this_->destination;
1740                 break;
1741         case attr_displaylist:
1742                 attr->u.displaylist=this_->displaylist;
1743                 return (attr->u.displaylist != NULL);
1744         case attr_follow:
1745                 if (!this_->vehicle)
1746                         return 0;
1747                 attr->u.num=this_->vehicle->follow_curr;
1748                 break;
1749         case attr_former_destination_map:
1750                 attr->u.map=this_->former_destination;
1751                 break;
1752         case attr_graphics:
1753                 attr->u.graphics=this_->gra;
1754                 ret=(attr->u.graphics != NULL);
1755                 break;
1756         case attr_gui:
1757                 attr->u.gui=this_->gui;
1758                 ret=(attr->u.gui != NULL);
1759                 break;
1760         case attr_layout:
1761                 if (iter) {
1762                         if (iter->u.list) {
1763                                 iter->u.list=g_list_next(iter->u.list);
1764                         } else {
1765                                 iter->u.list=this_->layouts;
1766                         }
1767                         if (!iter->u.list)
1768                                 return 0;
1769                         attr->u.layout=(struct layout *)iter->u.list->data;
1770                 } else {
1771                         attr->u.layout=this_->layout_current;
1772                 }
1773                 break;
1774         case attr_map:
1775                 if (iter && this_->mapsets) {
1776                         if (!iter->u.mapset_handle) {
1777                                 iter->u.mapset_handle=mapset_open((struct mapset *)this_->mapsets->data);
1778                         }
1779                         attr->u.map=mapset_next(iter->u.mapset_handle, 0);
1780                         if(!attr->u.map) {
1781                                 mapset_close(iter->u.mapset_handle);
1782                                 return 0;
1783                         }
1784                 } else {
1785                         return 0;
1786                 }
1787                 break;
1788         case attr_mapset:
1789                 attr->u.mapset=this_->mapsets->data;
1790                 ret=(attr->u.mapset != NULL);
1791                 break;
1792         case attr_navigation:
1793                 attr->u.navigation=this_->navigation;
1794                 break;
1795         case attr_orientation:
1796                 attr->u.num=this_->orientation;
1797                 break;
1798         case attr_osd_configuration:
1799                 attr->u.num=this_->osd_configuration;
1800                 break;
1801         case attr_pitch:
1802                 attr->u.num=transform_get_pitch(this_->trans);
1803                 break;
1804         case attr_projection:
1805                 if(this_->trans) {
1806                         attr->u.num=transform_get_projection(this_->trans);
1807                 } else {
1808                         return 0;
1809                 }
1810                 break;
1811         case attr_route:
1812                 attr->u.route=this_->route;
1813                 break;
1814         case attr_speech:
1815                 attr->u.speech=this_->speech;
1816                 break;
1817         case attr_tracking:
1818                 attr->u.num=this_->tracking_flag;
1819                 break;
1820         case attr_trackingo:
1821                 attr->u.tracking=this_->tracking;
1822                 break;
1823         case attr_transformation:
1824                 attr->u.transformation=this_->trans;
1825                 break;
1826         case attr_vehicle:
1827                 if(iter) {
1828                         if(iter->u.list) {
1829                                 iter->u.list=g_list_next(iter->u.list);
1830                         } else {
1831                                 iter->u.list=this_->vehicles;
1832                         }
1833                         if(!iter->u.list)
1834                                 return 0;
1835                         attr->u.vehicle=((struct navit_vehicle*)iter->u.list->data)->vehicle;
1836                 } else {
1837                         if(this_->vehicle) {
1838                                 attr->u.vehicle=this_->vehicle->vehicle;
1839                         } else {
1840                                 return 0;
1841                         }
1842                 }
1843                 break;
1844         case attr_vehicleprofile:
1845                 attr->u.vehicleprofile=this_->vehicleprofile;
1846                 break;
1847         case attr_zoom:
1848                 attr->u.num=transform_get_scale(this_->trans);
1849                 break;
1850         case attr_autozoom_active:
1851                 attr->u.num=this_->autozoom_active;
1852                 break;
1853         case attr_follow_cursor:
1854                 attr->u.num=this_->follow_cursor;
1855                 break;
1856         default:
1857                 return 0;
1858         }
1859         attr->type=type;
1860         return ret;
1861 }
1862
1863 static int
1864 navit_add_log(struct navit *this_, struct log *log)
1865 {
1866         struct attr type_attr;
1867         if (!log_get_attr(log, attr_type, &type_attr, NULL))
1868                 return 0;
1869         if (!strcmp(type_attr.u.str, "textfile_debug")) {
1870                 char *header = "type=track_tracked\n";
1871                 if (this_->textfile_debug_log)
1872                         return 0;
1873                 log_set_header(log, header, strlen(header));
1874                 this_->textfile_debug_log=log;
1875                 return 1;
1876         }
1877         return 0;
1878 }
1879
1880 int
1881 navit_add_attr(struct navit *this_, struct attr *attr)
1882 {
1883         int ret=1;
1884         switch (attr->type) {
1885         case attr_callback:
1886                 navit_add_callback(this_, attr->u.callback);
1887                 break;
1888         case attr_log:
1889                 ret=navit_add_log(this_, attr->u.log);
1890                 break;
1891         case attr_gui:
1892                 ret=navit_set_gui(this_, attr->u.gui);
1893                 break;
1894         case attr_graphics:
1895                 ret=navit_set_graphics(this_, attr->u.graphics);
1896                 break;
1897         case attr_layout:
1898                 this_->layouts = g_list_append(this_->layouts, attr->u.layout);
1899                 if(!this_->layout_current)
1900                         this_->layout_current=attr->u.layout;
1901                 break;
1902         case attr_route:
1903                 this_->route=attr->u.route;
1904                 break;
1905         case attr_mapset:
1906                 this_->mapsets = g_list_append(this_->mapsets, attr->u.mapset);
1907                 break;
1908         case attr_navigation:
1909                 this_->navigation=attr->u.navigation;
1910                 break;
1911         case attr_recent_dest:
1912                 this_->recentdest_count = attr->u.num;
1913                 break;
1914         case attr_speech:
1915                 this_->speech=attr->u.speech;
1916                 break;
1917         case attr_tracking:
1918                 this_->tracking=attr->u.tracking;
1919                 break;
1920         case attr_vehicle:
1921                 ret=navit_add_vehicle(this_, attr->u.vehicle);
1922                 break;
1923         case attr_vehicleprofile:
1924                 this_->vehicleprofiles=g_list_prepend(this_->vehicleprofiles, attr->u.vehicleprofile);
1925                 break;
1926         case attr_autozoom_min:
1927                 this_->autozoom_min = attr->u.num;
1928                 break;
1929         default:
1930                 return 0;
1931         }
1932         callback_list_call_attr_2(this_->attr_cbl, attr->type, this_, attr);
1933         return ret;
1934 }
1935
1936 int
1937 navit_remove_attr(struct navit *this_, struct attr *attr)
1938 {
1939         int ret=1;
1940         switch (attr->type) {
1941         case attr_callback:
1942                 navit_remove_callback(this_, attr->u.callback);
1943                 break;
1944         default:
1945                 return 0;
1946         }
1947         return ret;
1948 }
1949
1950 struct attr_iter *
1951 navit_attr_iter_new(void)
1952 {
1953         return g_new0(struct attr_iter, 1);
1954 }
1955
1956 void
1957 navit_attr_iter_destroy(struct attr_iter *iter)
1958 {
1959         g_free(iter);
1960 }
1961
1962 void
1963 navit_add_callback(struct navit *this_, struct callback *cb)
1964 {
1965         callback_list_add(this_->attr_cbl, cb);
1966 }
1967
1968 void
1969 navit_remove_callback(struct navit *this_, struct callback *cb)
1970 {
1971         callback_list_remove(this_->attr_cbl, cb);
1972 }
1973
1974 /**
1975  * Toggle the cursor update : refresh the map each time the cursor has moved (instead of only when it reaches a border)
1976  *
1977  * @param navit The navit instance
1978  * @returns nothing
1979  */
1980
1981 static void
1982 navit_vehicle_draw(struct navit *this_, struct navit_vehicle *nv, struct point *pnt)
1983 {
1984         struct point cursor_pnt;
1985         enum projection pro;
1986
1987         if (this_->blocked)
1988                 return;
1989         if (pnt)
1990                 cursor_pnt=*pnt;
1991         else {
1992                 pro=transform_get_projection(this_->trans);
1993                 transform(this_->trans, pro, &nv->coord, &cursor_pnt, 1, 0, 0, NULL);
1994         }
1995         vehicle_draw(nv->vehicle, this_->gra, &cursor_pnt, pnt ? 0:1, nv->dir-transform_get_yaw(this_->trans), nv->speed);
1996 #if 0
1997         if (pnt)
1998                 pnt2=*pnt;
1999         else {
2000                 pro=transform_get_projection(this_->trans);
2001                 transform(this_->trans, pro, &nv->coord, &pnt2, 1);
2002         }
2003 #if 1
2004         cursor_draw(nv->cursor, &pnt2, nv->dir-transform_get_angle(this_->trans, 0), nv->speed > 2, pnt == NULL);
2005 #else
2006         cursor_draw(nv->cursor, &pnt2, nv->dir-transform_get_angle(this_->trans, 0), nv->speed > 2, 1);
2007 #endif
2008 #endif
2009 }
2010
2011 static void
2012 navit_vehicle_update(struct navit *this_, struct navit_vehicle *nv)
2013 {
2014         struct attr attr_valid, attr_dir, attr_speed, attr_pos;
2015         struct pcoord cursor_pc;
2016         struct point cursor_pnt, *pnt=&cursor_pnt;
2017         struct tracking *tracking=NULL;
2018         struct pcoord pc[16];
2019         enum projection pro=transform_get_projection(this_->trans);
2020         int count,border=16;
2021         int (*get_attr)(void *, enum attr_type, struct attr *, struct attr_iter *);
2022         void *attr_object;
2023         char *destination_file;
2024
2025         profile(0,NULL);
2026         if (this_->ready != 3) {
2027                 profile(0,"return 1\n");
2028                 return;
2029         }
2030         navit_layout_switch(this_);
2031         if (this_->vehicle == nv && this_->tracking_flag)
2032                 tracking=this_->tracking;
2033         if (tracking) {
2034                 tracking_update(tracking, nv->vehicle, this_->vehicleprofile, pro);
2035                 attr_object=tracking;
2036                 get_attr=(int (*)(void *, enum attr_type, struct attr *, struct attr_iter *))tracking_get_attr;
2037         } else {
2038                 attr_object=nv->vehicle;
2039                 get_attr=(int (*)(void *, enum attr_type, struct attr *, struct attr_iter *))vehicle_get_attr;
2040         }
2041         if (get_attr(attr_object, attr_position_valid, &attr_valid, NULL))
2042                 if (!attr_valid.u.num != attr_position_valid_invalid)
2043                         return;
2044         if (! get_attr(attr_object, attr_position_direction, &attr_dir, NULL) ||
2045             ! get_attr(attr_object, attr_position_speed, &attr_speed, NULL) ||
2046             ! get_attr(attr_object, attr_position_coord_geo, &attr_pos, NULL)) {
2047                 profile(0,"return 2\n");
2048                 return;
2049         }
2050         nv->dir=*attr_dir.u.numd;
2051         nv->speed=*attr_speed.u.numd;
2052         transform_from_geo(pro, attr_pos.u.coord_geo, &nv->coord);
2053         if (nv != this_->vehicle) {
2054                 navit_vehicle_draw(this_, nv, NULL);
2055                 profile(0,"return 3\n");
2056                 return;
2057         }
2058         cursor_pc.x = nv->coord.x;
2059         cursor_pc.y = nv->coord.y;
2060         cursor_pc.pro = pro;
2061         if (this_->route) {
2062                 if (tracking)
2063                         route_set_position_from_tracking(this_->route, tracking, pro);
2064                 else
2065                         route_set_position(this_->route, &cursor_pc);
2066         }
2067         callback_list_call_attr_0(this_->attr_cbl, attr_position);
2068         navit_textfile_debug_log(this_, "type=trackpoint_tracked");
2069         if (this_->gui && nv->speed > 2)
2070                 navit_disable_suspend();
2071
2072         transform(this_->trans, pro, &nv->coord, &cursor_pnt, 1, 0, 0, NULL);
2073         if (this_->button_pressed != 1 && this_->follow_cursor && nv->follow_curr <= nv->follow &&
2074                 (nv->follow_curr == 1 || !transform_within_border(this_->trans, &cursor_pnt, border)))
2075                 navit_set_center_cursor(this_);
2076         else
2077                 navit_vehicle_draw(this_, nv, pnt);
2078
2079         if (nv->follow_curr > 1)
2080                 nv->follow_curr--;
2081         else
2082                 nv->follow_curr=nv->follow;
2083         callback_list_call_attr_2(this_->attr_cbl, attr_position_coord_geo, this_, nv->vehicle);
2084
2085         /* Finally, if we reached our destination, stop navigation. */
2086         if (this_->route) {
2087                 switch(route_destination_reached(this_->route)) {
2088                 case 1:
2089                         route_remove_waypoint(this_->route);
2090                         count=route_get_destinations(this_->route, pc, 16);
2091                         destination_file = bookmarks_get_destination_file(TRUE);
2092                         bookmarks_append_coord(this_->bookmarks, destination_file, pc, count, "former_itinerary_part", NULL, NULL, this_->recentdest_count);
2093                         break;
2094                 case 2:
2095                         navit_set_destination(this_, NULL, NULL, 0);
2096                         break;
2097                 }
2098         }
2099         profile(0,"return 5\n");
2100 }
2101
2102 /**
2103  * Set the position of the vehicle
2104  *
2105  * @param navit The navit instance
2106  * @param c The coordinate to set as position
2107  * @returns nothing
2108  */
2109
2110 void
2111 navit_set_position(struct navit *this_, struct pcoord *c)
2112 {
2113         if (this_->route) {
2114                 route_set_position(this_->route, c);
2115                 callback_list_call_attr_0(this_->attr_cbl, attr_position);
2116         }
2117         if (this_->ready == 3)
2118                 navit_draw(this_);
2119 }
2120
2121 static int
2122 navit_set_vehicleprofile(struct navit *this_, char *name)
2123 {
2124         struct attr attr;
2125         GList *l;
2126         l=this_->vehicleprofiles;
2127         while (l) {
2128                 if (vehicleprofile_get_attr(l->data, attr_name, &attr, NULL)) {
2129                         if (!strcmp(attr.u.str, name)) {
2130                                 this_->vehicleprofile=l->data;
2131                                 if (this_->route)
2132                                         route_set_profile(this_->route, this_->vehicleprofile);
2133                                 return 1;
2134                         }
2135                 }
2136                 l=g_list_next(l);
2137         }
2138         return 0;
2139 }
2140
2141 static void
2142 navit_set_vehicle(struct navit *this_, struct navit_vehicle *nv)
2143 {
2144         struct attr attr;
2145         this_->vehicle=nv;
2146         if (nv && vehicle_get_attr(nv->vehicle, attr_profilename, &attr, NULL)) {
2147                 if (navit_set_vehicleprofile(this_, attr.u.str))
2148                         return;
2149         }
2150         if (!navit_set_vehicleprofile(this_,"car")) {
2151                 /* We do not have a fallback "car" profile
2152                 * so lets set any profile */
2153                 GList *l;
2154                 l=this_->vehicleprofiles;
2155                 if (l) {
2156                     this_->vehicleprofile=l->data;
2157                     if (this_->route)
2158                         route_set_profile(this_->route, this_->vehicleprofile);
2159                 }
2160         }
2161 }
2162
2163 /**
2164  * Register a new vehicle
2165  *
2166  * @param navit The navit instance
2167  * @param v The vehicle instance
2168  * @returns 1 for success
2169  */
2170 static int
2171 navit_add_vehicle(struct navit *this_, struct vehicle *v)
2172 {
2173         struct navit_vehicle *nv=g_new0(struct navit_vehicle, 1);
2174         struct attr follow, active, animate;
2175         nv->vehicle=v;
2176         nv->follow=0;
2177         nv->last.x = 0;
2178         nv->last.y = 0;
2179         nv->animate_cursor=0;
2180         if ((vehicle_get_attr(v, attr_follow, &follow, NULL)))
2181                 nv->follow=nv->follow=follow.u.num;
2182         nv->follow_curr=nv->follow;
2183         this_->vehicles=g_list_append(this_->vehicles, nv);
2184         if ((vehicle_get_attr(v, attr_active, &active, NULL)) && active.u.num)
2185                 navit_set_vehicle(this_, nv);
2186         if ((vehicle_get_attr(v, attr_animate, &animate, NULL)))
2187                 nv->animate_cursor=animate.u.num;
2188         nv->callback.type=attr_callback;
2189         nv->callback.u.callback=callback_new_attr_2(callback_cast(navit_vehicle_update), attr_position_coord_geo, this_, nv);
2190         vehicle_add_attr(nv->vehicle, &nv->callback);
2191         vehicle_set_attr(nv->vehicle, &this_->self);
2192         return 1;
2193 }
2194
2195
2196
2197
2198 struct gui *
2199 navit_get_gui(struct navit *this_)
2200 {
2201         return this_->gui;
2202 }
2203
2204 struct transformation *
2205 navit_get_trans(struct navit *this_)
2206 {
2207         return this_->trans;
2208 }
2209
2210 struct route *
2211 navit_get_route(struct navit *this_)
2212 {
2213         return this_->route;
2214 }
2215
2216 struct navigation *
2217 navit_get_navigation(struct navit *this_)
2218 {
2219         return this_->navigation;
2220 }
2221
2222 struct displaylist *
2223 navit_get_displaylist(struct navit *this_)
2224 {
2225         return this_->displaylist;
2226 }
2227
2228 void
2229 navit_layout_switch(struct navit *n)
2230 {
2231
2232     int currTs=0;
2233     struct attr iso8601_attr,geo_attr,valid_attr,layout_attr;
2234     double trise,tset,trise_actual;
2235     struct layout *l;
2236     int year, month, day;
2237
2238     if (navit_get_attr(n,attr_layout,&layout_attr,NULL)!=1) {
2239         return; //No layout - nothing to switch
2240     }
2241     if (!n->vehicle)
2242         return;
2243     l=layout_attr.u.layout;
2244
2245     if (l->dayname || l->nightname) {
2246         //Ok, we know that we have profile to switch
2247
2248         //Check that we aren't calculating too fast
2249         if (vehicle_get_attr(n->vehicle->vehicle, attr_position_time_iso8601,&iso8601_attr,NULL)==1) {
2250                 currTs=iso8601_to_secs(iso8601_attr.u.str);
2251                 dbg(1,"currTs: %u:%u\n",currTs%86400/3600,((currTs%86400)%3600)/60);
2252         }
2253         if (currTs-(n->prevTs)<60) {
2254             //We've have to wait a little
2255             return;
2256         }
2257         if (sscanf(iso8601_attr.u.str,"%d-%02d-%02dT",&year,&month,&day) != 3)
2258                 return;
2259         if (vehicle_get_attr(n->vehicle->vehicle, attr_position_coord_geo,&geo_attr,NULL)!=1) {
2260                 //No position - no sun
2261                 return;
2262         }
2263         if (vehicle_get_attr(n->vehicle->vehicle, attr_position_valid, &valid_attr,NULL) && valid_attr.u.num==attr_position_valid_invalid) {
2264                 return; //No valid fix yet
2265         }
2266
2267         //We calculate sunrise anyway, cause it is needed both for day and for night
2268         if (__sunriset__(year,month,day,geo_attr.u.coord_geo->lng,geo_attr.u.coord_geo->lat,-5,1,&trise,&tset)!=0) {
2269                 //near the pole sun never rises/sets, so we should never switch profiles
2270                 dbg(1,"trise: %u:%u, sun never visible, never switch profile\n",HOURS(trise),MINUTES(trise));
2271                 n->prevTs=currTs;
2272                 return;
2273             }
2274
2275         trise_actual=trise;
2276         dbg(1,"trise: %u:%u\n",HOURS(trise),MINUTES(trise));
2277         if (l->dayname) {
2278
2279             if ((HOURS(trise)*60+MINUTES(trise)==(currTs%86400)/60) ||
2280                     (n->prevTs==0 && ((HOURS(trise)*60+MINUTES(trise)<(currTs%86400)/60)))) {
2281                 //The sun is rising now!
2282                 if (strcmp(l->name,l->dayname)) {
2283                     navit_set_layout_by_name(n,l->dayname);
2284                 }
2285             }
2286         }
2287         if (l->nightname) {
2288             if (__sunriset__(year,month,day,geo_attr.u.coord_geo->lng,geo_attr.u.coord_geo->lat,-5,1,&trise,&tset)!=0) {
2289                 //near the pole sun never rises/sets, so we should never switch profiles
2290                 dbg(1,"tset: %u:%u, sun always visible, never switch profile\n",HOURS(tset),MINUTES(tset));
2291                 n->prevTs=currTs;
2292                 return;
2293             }
2294             dbg(1,"tset: %u:%u\n",HOURS(tset),MINUTES(tset));
2295             if (HOURS(tset)*60+MINUTES(tset)==((currTs%86400)/60)
2296                 || (n->prevTs==0 && (((HOURS(tset)*60+MINUTES(tset)<(currTs%86400)/60)) ||
2297                         ((HOURS(trise_actual)*60+MINUTES(trise_actual)>(currTs%86400)/60))))) {
2298                 //Time to sleep
2299                 if (strcmp(l->name,l->nightname)) {
2300                     navit_set_layout_by_name(n,l->nightname);
2301                 }
2302             }
2303         }
2304
2305         n->prevTs=currTs;
2306     }
2307 }
2308
2309 int
2310 navit_set_vehicle_by_name(struct navit *n,const char *name)
2311 {
2312     struct vehicle *v;
2313     struct attr_iter *iter;
2314     struct attr vehicle_attr, name_attr;
2315
2316         iter=navit_attr_iter_new();
2317
2318     while (navit_get_attr(n,attr_vehicle,&vehicle_attr,iter)) {
2319                 v=vehicle_attr.u.vehicle;
2320                 vehicle_get_attr(v,attr_name,&name_attr,NULL);
2321                 if (name_attr.type==attr_name) {
2322                         if (!strcmp(name,name_attr.u.str)) {
2323                                 navit_set_attr(n,&vehicle_attr);
2324                                 navit_attr_iter_destroy(iter);
2325                                 return 1;
2326                         }
2327                 }
2328         }
2329     navit_attr_iter_destroy(iter);
2330     return 0;
2331 }
2332
2333 int
2334 navit_set_layout_by_name(struct navit *n,const char *name)
2335 {
2336     struct layout *l;
2337     struct attr_iter iter;
2338     struct attr layout_attr;
2339
2340     iter.u.list=0x00;
2341
2342     if (navit_get_attr(n,attr_layout,&layout_attr,&iter)!=1) {
2343         return 0; //No layouts - nothing to do
2344     }
2345     if (iter.u.list==NULL) {
2346         return 0;
2347     }
2348
2349     iter.u.list=g_list_first(iter.u.list);
2350
2351     while(iter.u.list) {
2352         l=(struct layout*)iter.u.list->data;
2353         if (!strcmp(name,l->name)) {
2354             layout_attr.u.layout=l;
2355             layout_attr.type=attr_layout;
2356             navit_set_attr(n,&layout_attr);
2357             iter.u.list=g_list_first(iter.u.list);
2358             return 1;
2359         }
2360         iter.u.list=g_list_next(iter.u.list);
2361     }
2362
2363     iter.u.list=g_list_first(iter.u.list);
2364     return 0;
2365 }
2366
2367 void
2368 navit_disable_suspend() {
2369         gui_disable_suspend(global_navit->gui);
2370         callback_list_call_attr_0(global_navit->attr_cbl,attr_unsuspend);
2371 }
2372
2373 int
2374 navit_block(struct navit *this_, int block)
2375 {
2376         if (block > 0) {
2377                 this_->blocked |= 1;
2378                 if (graphics_draw_cancel(this_->gra, this_->displaylist))
2379                         this_->blocked |= 2;
2380                 return 0;
2381         }
2382         if ((this_->blocked & 2) || block < 0) {
2383                 this_->blocked=0;
2384                 navit_draw(this_);
2385                 return 1;
2386         }
2387         this_->blocked=0;
2388         return 0;
2389 }
2390
2391 void
2392 navit_destroy(struct navit *this_)
2393 {
2394         /* TODO: destroy objects contained in this_ */
2395         if (this_->vehicle)
2396                 vehicle_destroy(this_->vehicle->vehicle);
2397         if (this_->bookmarks) {
2398                 char *center_file = bookmarks_get_center_file(TRUE);
2399                 bookmarks_write_center_to_file(this_->bookmarks, center_file);
2400                 g_free(center_file);
2401                 bookmarks_destroy(this_->bookmarks);
2402         }
2403         callback_destroy(this_->nav_speech_cb);
2404         callback_destroy(this_->roadbook_callback);
2405         callback_destroy(this_->popup_callback);
2406         callback_destroy(this_->motion_timeout_callback);
2407         if(this_->gra)
2408           graphics_remove_callback(this_->gra, this_->resize_callback);
2409         callback_destroy(this_->resize_callback);
2410         if(this_->gra)
2411           graphics_remove_callback(this_->gra, this_->button_callback);
2412         callback_destroy(this_->button_callback);
2413         if(this_->gra)
2414           graphics_remove_callback(this_->gra, this_->motion_callback);
2415         callback_destroy(this_->motion_callback);
2416         route_destroy(this_->route);
2417         g_free(this_);
2418 }
2419
2420 /** @} */