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 #define _USE_MATH_DEFINES 1
  21 #include "config.h"
  22 #ifdef HAVE_UNISTD_H
  23 #include <unistd.h>
  24 #endif
  25 #include <stdio.h>
  26 #include <errno.h>
  27 #include <stdlib.h>
  28 #include <signal.h>
  29 #include <string.h>
  30 #include <fcntl.h>
  31 #include <glib.h>
  32 #include <math.h>
  33 #include <time.h>
  34 #include "debug.h"
  35 #include "navit.h"
  36 #include "callback.h"
  37 #include "gui.h"
  38 #include "item.h"
  39 #include "projection.h"
  40 #include "map.h"
  41 #include "mapset.h"
  42 #include "main.h"
  43 #include "coord.h"
  44 #include "point.h"
  45 #include "transform.h"
  46 #include "param.h"
  47 #include "menu.h"
  48 #include "graphics.h"
  49 #include "popup.h"
  50 #include "data_window.h"
  51 #include "route.h"
  52 #include "navigation.h"
  53 #include "speech.h"
  54 #include "track.h"
  55 #include "vehicle.h"
  56 #include "layout.h"
  57 #include "log.h"
  58 #include "attr.h"
  59 #include "event.h"
  60 #include "file.h"
  61 #include "profile.h"
  62 #include "command.h"
  63 #include "navit_nls.h"
  64 #include "map.h"
  65 #include "util.h"
  66 #include "messages.h"
  67 #include "vehicleprofile.h"
  68 #include "sunriset.h"
  69 #include "bookmarks.h"
  70 #include "xmlconfig.h"
  71 #ifdef HAVE_API_WIN32_BASE
  72 #include <windows.h>
  73 #include "util.h"
  74 #endif
  75 #ifdef HAVE_API_WIN32_CE
  76 #include "libc.h"
  77 #endif
  78
  79 /* define string for bookmark handling */
  80 #define TEXTFILE_COMMENT_NAVI_STOPPED "# navigation stopped\n"
  81
  82 /**
  83  * @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
  84  * @{
  85  */
  86
  87 //! The navit_vehicule
  88 struct navit_vehicle {
  89         int follow;
  90         /*! Limit of the follow counter. See navit_add_vehicle */
  91         int follow_curr;
  92         /*! Deprecated : follow counter itself. When it reaches 'update' counts, map is recentered*/
  93         struct coord coord;
  94         int dir;
  95         int speed;
  96         struct coord last; /*< Position of the last update of this vehicle */
  97         struct vehicle *vehicle;
  98         struct attr callback;
  99         int animate_cursor;
 100 };
 101
 102 struct navit {
 103         struct object_func *func;
 104         int refcount;
 105         struct attr **attrs;
 106         struct attr self;
 107         GList *mapsets;
 108         GList *layouts;
 109         struct gui *gui;
 110         struct layout *layout_current;
 111         struct graphics *gra;
 112         struct action *action;
 113         struct transformation *trans, *trans_cursor;
 114         struct compass *compass;
 115         struct route *route;
 116         struct navigation *navigation;
 117         struct speech *speech;
 118         struct tracking *tracking;
 119         int ready;
 120         struct window *win;
 121         struct displaylist *displaylist;
 122         int tracking_flag;
 123         int orientation;
 124         int recentdest_count;
 125         int osd_configuration;
 126         GList *vehicles;
 127         GList *windows_items;
 128         struct navit_vehicle *vehicle;
 129         struct callback_list *attr_cbl;
 130         struct callback *nav_speech_cb, *roadbook_callback, *popup_callback, *route_cb, *progress_cb;
 131         struct datawindow *roadbook_window;
 132         struct map *former_destination;
 133         struct point pressed, last, current;
 134         int button_pressed,moved,popped,zoomed;
 135         int center_timeout;
 136         int autozoom_secs;
 137         int autozoom_min;
 138         int autozoom_active;
 139         struct event_timeout *button_timeout, *motion_timeout;
 140         struct callback *motion_timeout_callback;
 141         int ignore_button;
 142         int ignore_graphics_events;
 143         struct log *textfile_debug_log;
 144         struct pcoord destination;
 145         int destination_valid;
 146         int blocked;
 147         int w,h;
 148         int drag_bitmap;
 149         int use_mousewheel;
 150         struct messagelist *messages;
 151         struct callback *resize_callback,*button_callback,*motion_callback,*predraw_callback;
 152         struct vehicleprofile *vehicleprofile;
 153         GList *vehicleprofiles;
 154         int pitch;
 155         int follow_cursor;
 156         int prevTs;
 157         int graphics_flags;
 158         int zoom_min, zoom_max;
 159         int radius;
 160         struct bookmarks *bookmarks;
 161         int flags;
 162                  /* 1=No graphics ok */
 163                  /* 2=No gui ok */
 164         int border;
 165         int imperial;
 166         int waypoints_flag;
 167         struct coord_geo center;
 168         struct attr **attr_list;
 169 };
 170
 171 struct gui *main_loop_gui;
 172
 173 struct attr_iter {
 174         void *iter;
 175         union {
 176                 GList *list;
 177                 struct mapset_handle *mapset_handle;
 178         } u;
 179 };
 180
 181 static void navit_vehicle_update(struct navit *this_, struct navit_vehicle *nv);
 182 static void navit_vehicle_draw(struct navit *this_, struct navit_vehicle *nv, struct point *pnt);
 183 static int navit_add_vehicle(struct navit *this_, struct vehicle *v);
 184 static int navit_set_attr_do(struct navit *this_, struct attr *attr, int init);
 185 static int navit_get_cursor_pnt(struct navit *this_, struct point *p, int keep_orientation, int *dir);
 186 static void navit_set_cursors(struct navit *this_);
 187 static void navit_cmd_zoom_to_route(struct navit *this);
 188 static void navit_cmd_set_center_cursor(struct navit *this_);
 189 static void navit_cmd_announcer_toggle(struct navit *this_);
 190 static void navit_set_vehicle(struct navit *this_, struct navit_vehicle *nv);
 191 struct object_func navit_func;
 192
 193 struct navit *global_navit;
 194
 195 void
 196 navit_add_mapset(struct navit *this_, struct mapset *ms)
 197 {
 198         this_->mapsets = g_list_append(this_->mapsets, ms);
 199 }
 200
 201 struct mapset *
 202 navit_get_mapset(struct navit *this_)
 203 {
 204         if(this_->mapsets){
 205                 return this_->mapsets->data;
 206         } else {
 207                 dbg(0,"No mapsets enabled! Is it on purpose? Navit can't draw a map. Please check your navit.xml\n");
 208         }
 209         return NULL;
 210 }
 211
 212 struct tracking *
 213 navit_get_tracking(struct navit *this_)
 214 {
 215         return this_->tracking;
 216 }
 217
 218 /**
 219  * @brief       Get the user data directory.
 220  * @param[in]    create - create the directory if it does not exist
 221  *
 222  * @return      char * to the data directory string.
 223  *
 224  * returns the directory used to store user data files (center.txt,
 225  * destination.txt, bookmark.txt, ...)
 226  *
 227  */
 228 char*
 229 navit_get_user_data_directory(int create) {
 230         char *dir;
 231         dir = getenv("NAVIT_USER_DATADIR");
 232         if (create && !file_exists(dir)) {
 233                 dbg(0,"creating dir %s\n", dir);
 234                 if (file_mkdir(dir,0)) {
 235                         dbg(0,"failed creating dir %s\n", dir);
 236                         return NULL;
 237                 }
 238         }
 239         return dir;
 240 } /* end: navit_get_user_data_directory(gboolean create) */
 241
 242
 243 void
 244 navit_draw_async(struct navit *this_, int async)
 245 {
 246
 247         if (this_->blocked) {
 248                 this_->blocked |= 2;
 249                 return;
 250         }
 251         transform_setup_source_rect(this_->trans);
 252         graphics_draw(this_->gra, this_->displaylist, this_->mapsets->data, this_->trans, this_->layout_current, async, NULL, this_->graphics_flags|1);
 253 }
 254
 255 void
 256 navit_draw(struct navit *this_)
 257 {
 258         if (this_->ready == 3)
 259                 navit_draw_async(this_, 0);
 260 }
 261
 262 int
 263 navit_get_ready(struct navit *this_)
 264 {
 265         return this_->ready;
 266 }
 267
 268
 269
 270 void
 271 navit_draw_displaylist(struct navit *this_)
 272 {
 273         if (this_->ready == 3)
 274                 graphics_displaylist_draw(this_->gra, this_->displaylist, this_->trans, this_->layout_current, this_->graphics_flags|1);
 275 }
 276
 277 static void
 278 navit_map_progress(struct navit *this_)
 279 {
 280         struct map *map;
 281         struct mapset *ms;
 282         struct mapset_handle *msh;
 283         struct attr attr;
 284         struct point p;
 285         if (this_->ready != 3)
 286                 return;
 287         p.x=10;
 288         p.y=32;
 289
 290         ms=this_->mapsets->data;
 291         msh=mapset_open(ms);
 292         while (msh && (map=mapset_next(msh, 0))) {
 293                 if (map_get_attr(map, attr_progress, &attr, NULL)) {
 294                         char *str=g_strdup_printf("%s           ",attr.u.str);
 295                         graphics_draw_mode(this_->gra, draw_mode_begin);
 296                         graphics_draw_text_std(this_->gra, 16, str, &p);
 297                         g_free(str);
 298                         p.y+=32;
 299                         graphics_draw_mode(this_->gra, draw_mode_end);
 300                 }
 301         }
 302         mapset_close(msh);
 303 }
 304
 305 static void
 306 navit_redraw_route(struct navit *this_, struct route *route, struct attr *attr)
 307 {
 308         int updated;
 309         if (attr->type != attr_route_status)
 310                 return;
 311         updated=attr->u.num;
 312         if (this_->ready != 3)
 313                 return;
 314         if (updated != route_status_path_done_new)
 315                 return;
 316         if (this_->vehicle) {
 317                 if (this_->vehicle->follow_curr == 1)
 318                         return;
 319                 if (this_->vehicle->follow_curr <= this_->vehicle->follow)
 320                         this_->vehicle->follow_curr=this_->vehicle->follow;
 321         }
 322         navit_draw(this_);
 323 }
 324
 325 void
 326 navit_handle_resize(struct navit *this_, int w, int h)
 327 {
 328         struct map_selection sel;
 329         int callback=(this_->ready == 1);
 330         this_->ready |= 2;
 331         memset(&sel, 0, sizeof(sel));
 332         this_->w=w;
 333         this_->h=h;
 334         sel.u.p_rect.rl.x=w;
 335         sel.u.p_rect.rl.y=h;
 336         transform_set_screen_selection(this_->trans, &sel);
 337         graphics_init(this_->gra);
 338         graphics_set_rect(this_->gra, &sel.u.p_rect);
 339         if (callback)
 340                 callback_list_call_attr_1(this_->attr_cbl, attr_graphics_ready, this_);
 341         if (this_->ready == 3)
 342                 navit_draw_async(this_, 1);
 343 }
 344
 345 static void
 346 navit_resize(void *data, int w, int h)
 347 {
 348         struct navit *this=data;
 349         if (!this->ignore_graphics_events)
 350                 navit_handle_resize(this, w, h);
 351 }
 352
 353 int
 354 navit_get_width(struct navit *this_)
 355 {
 356         return this_->w;
 357 }
 358
 359
 360 int
 361 navit_get_height(struct navit *this_)
 362 {
 363         return this_->h;
 364 }
 365
 366 static void
 367 navit_popup(void *data)
 368 {
 369         struct navit *this_=data;
 370         popup(this_, 1, &this_->pressed);
 371         this_->button_timeout=NULL;
 372         this_->popped=1;
 373 }
 374
 375
 376 int
 377 navit_ignore_button(struct navit *this_)
 378 {
 379         if (this_->ignore_button)
 380                 return 1;
 381         this_->ignore_button=1;
 382         return 0;
 383 }
 384
 385 void
 386 navit_ignore_graphics_events(struct navit *this_, int ignore)
 387 {
 388         this_->ignore_graphics_events=ignore;
 389 }
 390
 391 static void
 392 update_transformation(struct transformation *tr, struct point *old, struct point *new, struct point *rot)
 393 {
 394         struct coord co,cn;
 395         struct coord c,*cp;
 396         int yaw;
 397         double angleo,anglen;
 398
 399         if (!transform_reverse(tr, old, &co))
 400                 return;
 401         if (rot) {
 402                 angleo=atan2(old->y-rot->y, old->x-rot->x)*180/M_PI;
 403                 anglen=atan2(new->y-rot->y, new->x-rot->x)*180/M_PI;
 404                 yaw=transform_get_yaw(tr)+angleo-anglen;
 405                 transform_set_yaw(tr, yaw % 360);
 406         }
 407         if (!transform_reverse(tr, new, &cn))
 408                 return;
 409         cp=transform_get_center(tr);
 410         c.x=cp->x+co.x-cn.x;
 411         c.y=cp->y+co.y-cn.y;
 412         dbg(1,"from 0x%x,0x%x to 0x%x,0x%x\n", cp->x, cp->y, c.x, c.y);
 413         transform_set_center(tr, &c);
 414 }
 415
 416 void
 417 navit_set_timeout(struct navit *this_)
 418 {
 419         struct attr follow;
 420         follow.type=attr_follow;
 421         follow.u.num=this_->center_timeout;
 422         navit_set_attr(this_, &follow);
 423 }
 424
 425 int
 426 navit_handle_button(struct navit *this_, int pressed, int button, struct point *p, struct callback *popup_callback)
 427 {
 428         int border=16;
 429
 430         dbg(1,"enter %d %d (ignore %d)\n",pressed,button,this_->ignore_button);
 431         callback_list_call_attr_4(this_->attr_cbl, attr_button, this_, GINT_TO_POINTER(pressed), GINT_TO_POINTER(button), p);
 432         if (this_->ignore_button) {
 433                 this_->ignore_button=0;
 434                 return 0;
 435         }
 436         if (pressed) {
 437                 this_->pressed=*p;
 438                 this_->last=*p;
 439                 this_->zoomed=0;
 440                 if (button == 1) {
 441                         this_->button_pressed=1;
 442                         this_->moved=0;
 443                         this_->popped=0;
 444                         if (popup_callback)
 445                                 this_->button_timeout=event_add_timeout(500, 0, popup_callback);
 446                 }
 447                 if (button == 2)
 448                         navit_set_center_screen(this_, p, 1);
 449                 if (button == 3)
 450                         popup(this_, button, p);
 451                 if (button == 4 && this_->use_mousewheel) {
 452                         this_->zoomed = 1;
 453                         navit_zoom_in(this_, 2, p);
 454                 }
 455                 if (button == 5 && this_->use_mousewheel) {
 456                         this_->zoomed = 1;
 457                         navit_zoom_out(this_, 2, p);
 458                 }
 459         } else {
 460
 461                 this_->button_pressed=0;
 462                 if (this_->button_timeout) {
 463                         event_remove_timeout(this_->button_timeout);
 464                         this_->button_timeout=NULL;
 465                         if (! this_->moved && ! transform_within_border(this_->trans, p, border)) {
 466                                 navit_set_center_screen(this_, p, !this_->zoomed);
 467                         }
 468                 }
 469                 if (this_->motion_timeout) {
 470                         event_remove_timeout(this_->motion_timeout);
 471                         this_->motion_timeout=NULL;
 472                 }
 473                 if (this_->moved) {
 474                         struct point pr;
 475                         pr.x=this_->w/2;
 476                         pr.y=this_->h;
 477 #if 0
 478                         update_transformation(this_->trans, &this_->pressed, p, &pr);
 479 #else
 480                         update_transformation(this_->trans, &this_->pressed, p, NULL);
 481 #endif
 482                         graphics_draw_drag(this_->gra, NULL);
 483                         transform_copy(this_->trans, this_->trans_cursor);
 484                         graphics_overlay_disable(this_->gra, 0);
 485                         if (!this_->zoomed)
 486                                 navit_set_timeout(this_);
 487                         navit_draw(this_);
 488                 } else
 489                         return 1;
 490         }
 491         return 0;
 492 }
 493
 494 static void
 495 navit_button(void *data, int pressed, int button, struct point *p)
 496 {
 497         struct navit *this=data;
 498         dbg(1,"enter %d %d ignore %d\n",pressed,button,this->ignore_graphics_events);
 499         if (!this->ignore_graphics_events) {
 500                 if (! this->popup_callback)
 501                         this->popup_callback=callback_new_1(callback_cast(navit_popup), this);
 502                 navit_handle_button(this, pressed, button, p, this->popup_callback);
 503         }
 504 }
 505
 506
 507 static void
 508 navit_motion_timeout(struct navit *this_)
 509 {
 510         int dx, dy;
 511
 512         if (this_->drag_bitmap) {
 513                 struct point point;
 514                 point.x=(this_->current.x-this_->pressed.x);
 515                 point.y=(this_->current.y-this_->pressed.y);
 516                 if (graphics_draw_drag(this_->gra, &point)) {
 517                         graphics_overlay_disable(this_->gra, 1);
 518                         graphics_draw_mode(this_->gra, draw_mode_end);
 519                         this_->moved=1;
 520                         this_->motion_timeout=NULL;
 521                         return;
 522                 }
 523         }
 524         dx=(this_->current.x-this_->last.x);
 525         dy=(this_->current.y-this_->last.y);
 526         if (dx || dy) {
 527                 struct transformation *tr;
 528                 struct point pr;
 529                 this_->last=this_->current;
 530                 graphics_overlay_disable(this_->gra, 1);
 531                 tr=transform_dup(this_->trans);
 532                 pr.x=this_->w/2;
 533                 pr.y=this_->h;
 534 #if 0
 535                 update_transformation(tr, &this_->pressed, &this_->current, &pr);
 536 #else
 537                 update_transformation(tr, &this_->pressed, &this_->current, NULL);
 538 #endif
 539 #if 0
 540                 graphics_displaylist_move(this_->displaylist, dx, dy);
 541 #endif
 542                 graphics_draw_cancel(this_->gra, this_->displaylist);
 543                 graphics_displaylist_draw(this_->gra, this_->displaylist, tr, this_->layout_current, this_->graphics_flags|512);
 544                 transform_destroy(tr);
 545                 this_->moved=1;
 546         }
 547         this_->motion_timeout=NULL;
 548         return;
 549 }
 550
 551 void
 552 navit_handle_motion(struct navit *this_, struct point *p)
 553 {
 554         int dx, dy;
 555
 556         if (this_->button_pressed && !this_->popped) {
 557                 dx=(p->x-this_->pressed.x);
 558                 dy=(p->y-this_->pressed.y);
 559                 if (dx < -8 || dx > 8 || dy < -8 || dy > 8) {
 560                         this_->moved=1;
 561                         if (this_->button_timeout) {
 562                                 event_remove_timeout(this_->button_timeout);
 563                                 this_->button_timeout=NULL;
 564                         }
 565                         this_->current=*p;
 566                         if (! this_->motion_timeout_callback)
 567                                 this_->motion_timeout_callback=callback_new_1(callback_cast(navit_motion_timeout), this_);
 568                         if (! this_->motion_timeout)
 569                                 this_->motion_timeout=event_add_timeout(100, 0, this_->motion_timeout_callback);
 570                 }
 571         }
 572 }
 573
 574 static void
 575 navit_motion(void *data, struct point *p)
 576 {
 577         struct navit *this=data;
 578         if (!this->ignore_graphics_events)
 579                 navit_handle_motion(this, p);
 580 }
 581
 582 static void
 583 navit_predraw(struct navit *this_)
 584 {
 585         GList *l;
 586         struct navit_vehicle *nv;
 587         transform_copy(this_->trans, this_->trans_cursor);
 588         l=this_->vehicles;
 589         while (l) {
 590                 nv=l->data;
 591                 navit_vehicle_draw(this_, nv, NULL);
 592                 l=g_list_next(l);
 593         }
 594 }
 595
 596 static void
 597 navit_scale(struct navit *this_, long scale, struct point *p, int draw)
 598 {
 599         struct coord c1, c2, *center;
 600         if (scale < this_->zoom_min)
 601                 scale=this_->zoom_min;
 602         if (scale > this_->zoom_max)
 603                 scale=this_->zoom_max;
 604         if (p)
 605                 transform_reverse(this_->trans, p, &c1);
 606         transform_set_scale(this_->trans, scale);
 607         if (p) {
 608                 transform_reverse(this_->trans, p, &c2);
 609                 center = transform_center(this_->trans);
 610                 center->x += c1.x - c2.x;
 611                 center->y += c1.y - c2.y;
 612         }
 613         if (draw)
 614                 navit_draw(this_);
 615 }
 616
 617 /**
 618  * @brief Automatically adjusts zoom level
 619  *
 620  * This function automatically adjusts the current
 621  * zoom level according to the current speed.
 622  *
 623  * @param this_ The navit struct
 624  * @param center The "immovable" point - i.e. the vehicles position if we're centering on the vehicle
 625  * @param speed The vehicles speed in meters per second
 626  * @param dir The direction into which the vehicle moves
 627  */
 628 static void
 629 navit_autozoom(struct navit *this_, struct coord *center, int speed, int draw)
 630 {
 631         struct point pc;
 632         int distance,w,h;
 633         double new_scale;
 634         long scale;
 635
 636         if (! this_->autozoom_active) {
 637                 return;
 638         }
 639
 640         distance = speed * this_->autozoom_secs;
 641
 642         transform_get_size(this_->trans, &w, &h);
 643         transform(this_->trans, transform_get_projection(this_->trans), center, &pc, 1, 0, 0, NULL);
 644         scale = transform_get_scale(this_->trans);
 645
 646         /* We make sure that the point we want to see is within a certain range
 647          * around the vehicle. The radius of this circle is the size of the
 648          * screen. This doesn't necessarily mean the point is visible because of
 649          * perspective etc. Quite rough, but should be enough. */
 650
 651         if (w > h) {
 652                 new_scale = (double)distance / h * 16;
 653         } else {
 654                 new_scale = (double)distance / w * 16;
 655         }
 656
 657         if (abs(new_scale - scale) < 2) {
 658                 return; // Smoothing
 659         }
 660
 661         if (new_scale >= this_->autozoom_min) {
 662                 navit_scale(this_, (long)new_scale, &pc, 0);
 663         } else {
 664                 if (scale != this_->autozoom_min) {
 665                         navit_scale(this_, this_->autozoom_min, &pc, 0);
 666                 }
 667         }
 668 }
 669
 670 /**
 671  * Change the current zoom level, zooming closer to the ground
 672  *
 673  * @param navit The navit instance
 674  * @param factor The zoom factor, usually 2
 675  * @param p The invariant point (if set to NULL, default to center)
 676  * @returns nothing
 677  */
 678 void
 679 navit_zoom_in(struct navit *this_, int factor, struct point *p)
 680 {
 681         long scale=transform_get_scale(this_->trans)/factor;
 682         if (scale < 1)
 683                 scale=1;
 684         navit_scale(this_, scale, p, 1);
 685 }
 686
 687 /**
 688  * Change the current zoom level
 689  *
 690  * @param navit The navit instance
 691  * @param factor The zoom factor, usually 2
 692  * @param p The invariant point (if set to NULL, default to center)
 693  * @returns nothing
 694  */
 695 void
 696 navit_zoom_out(struct navit *this_, int factor, struct point *p)
 697 {
 698         long scale=transform_get_scale(this_->trans)*factor;
 699         navit_scale(this_, scale, p, 1);
 700 }
 701
 702 void
 703 navit_zoom_in_cursor(struct navit *this_, int factor)
 704 {
 705         struct point p;
 706         if (this_->vehicle && this_->vehicle->follow_curr <= 1 && navit_get_cursor_pnt(this_, &p, 0, NULL)) {
 707                 navit_zoom_in(this_, factor, &p);
 708                 this_->vehicle->follow_curr=this_->vehicle->follow;
 709         } else
 710                 navit_zoom_in(this_, factor, NULL);
 711 }
 712
 713 void
 714 navit_zoom_out_cursor(struct navit *this_, int factor)
 715 {
 716         struct point p;
 717         if (this_->vehicle && this_->vehicle->follow_curr <= 1 && navit_get_cursor_pnt(this_, &p, 0, NULL)) {
 718                 navit_zoom_out(this_, 2, &p);
 719                 this_->vehicle->follow_curr=this_->vehicle->follow;
 720         } else
 721                 navit_zoom_out(this_, 2, NULL);
 722 }
 723
 724 static int
 725 navit_cmd_zoom_in(struct navit *this_)
 726 {
 727         navit_zoom_in_cursor(this_, 2);
 728         return 0;
 729 }
 730
 731 static int
 732 navit_cmd_zoom_out(struct navit *this_)
 733 {
 734         navit_zoom_out_cursor(this_, 2);
 735         return 0;
 736 }
 737
 738
 739 static void
 740 navit_cmd_say(struct navit *this, char *function, struct attr **in, struct attr ***out, int *valid)
 741 {
 742         if (in && in[0] && ATTR_IS_STRING(in[0]->type) && in[0]->u.str)
 743                 navit_say(this, in[0]->u.str);
 744 }
 745
 746 static GHashTable *cmd_int_var_hash = NULL;
 747 static GHashTable *cmd_attr_var_hash = NULL;
 748
 749 /**
 750  * Store key value pair for the  command system (for int typed values)
 751  *
 752  * @param navit The navit instance
 753  * @param function unused (needed to match command function signiture)
 754  * @param in input attributes in[0] is the key string, in[1] is the integer value to store
 755  * @param out output attributes, unused
 756  * @param valid unused
 757  * @returns nothing
 758  */
 759 static void
 760 navit_cmd_set_int_var(struct navit *this, char *function, struct attr **in, struct attr ***out, int *valid)
 761 {
 762         char*key;
 763         struct attr*val;
 764         if(!cmd_int_var_hash) {
 765                 cmd_int_var_hash = g_hash_table_new(g_str_hash, g_str_equal);
 766         }
 767
 768         if ( (in && in[0] && ATTR_IS_STRING(in[0]->type) && in[0]->u.str) &&
 769              (in && in[1] && ATTR_IS_NUMERIC(in[1]->type))) {
 770                 val = g_new(struct attr,1);
 771                 attr_dup_content(in[1],val);
 772                 key = g_strdup(in[0]->u.str);
 773                 g_hash_table_insert(cmd_int_var_hash, key, val);
 774         }
 775 }
 776
 777
 778 /**
 779  * Store key value pair for the  command system (for attr typed values, can be used as opaque handles)
 780  *
 781  * @param navit The navit instance
 782  * @param function unused (needed to match command function signiture)
 783  * @param in input attributes in[0] is the key string, in[1] is the attr* value to store
 784  * @param out output attributes, unused
 785  * @param valid unused
 786  * @returns nothing
 787  */
 788 //TODO free stored attributes on navit_destroy
 789 static void
 790 navit_cmd_set_attr_var(struct navit *this, char *function, struct attr **in, struct attr ***out, int *valid)
 791 {
 792         char*key;
 793         struct attr*val;
 794         if(!cmd_attr_var_hash) {
 795                 cmd_attr_var_hash = g_hash_table_new(g_str_hash, g_str_equal);
 796         }
 797
 798         if ( (in && in[0] && ATTR_IS_STRING(in[0]->type) && in[0]->u.str) &&
 799              (in && in[1] )) {
 800                 val = attr_dup(in[1]);
 801                 //val = in[1];
 802                 key = g_strdup(in[0]->u.str);
 803                 g_hash_table_insert(cmd_attr_var_hash, key, val);
 804         } else {
 805                 dbg(1, "Wrong parameters for set_attr_var() command function\n");
 806         }
 807 }
 808
 809
 810
 811 /**
 812  * command to toggle the active state of a named layer of the current layout
 813  *
 814  * @param navit The navit instance
 815  * @param function unused (needed to match command function signiture)
 816  * @param in input attribute in[0] is the name of the layer
 817  * @param out output unused
 818  * @param valid unused
 819  * @returns nothing
 820  */
 821 static void
 822 navit_cmd_toggle_layer(struct navit *this, char *function, struct attr **in, struct attr ***out, int *valid)
 823 {
 824         if (in && in[0] && ATTR_IS_STRING(in[0]->type) && in[0]->u.str) {
 825                 if(this->layout_current && this->layout_current->layers) {
 826                         GList* layers = this->layout_current->layers;
 827                         while (layers) {
 828                                 struct layer*l=layers->data;
 829                                 if(l && !strcmp(l->name,in[0]->u.str) ) {
 830                                         l->active ^= 1;
 831                                         navit_draw(this);
 832                                         return;
 833                                 }
 834                                 layers=g_list_next(layers);
 835                         }
 836                 }
 837         }
 838 }
 839
 840 /**
 841  * adds an item with the current coordinate of the vehicle to a named map
 842  *
 843  * @param navit The navit instance
 844  * @param function unused (needed to match command function signiture)
 845  * @param in input attribute in[0] is the name of the map
 846  * @param out output attribute, 0 on error or the id of the created item on success
 847  * @param valid unused
 848  * @returns nothing
 849  */
 850 static void
 851 navit_cmd_map_add_curr_pos(struct navit *this, char *function, struct attr **in, struct attr ***out, int *valid)
 852 {
 853         struct attr **list = g_new0(struct attr *,2);
 854         struct attr*val = g_new0(struct attr,1);
 855         struct mapset* ms;
 856         struct map_selection sel;
 857         const int selection_range = 10;
 858         enum item_type item_type;
 859         struct item *it;
 860         struct map* curr_map = NULL;
 861         struct coord curr_coord;
 862         struct map_rect *mr;
 863
 864         //return invalid item on error
 865         val->type   = attr_none;
 866         val->u.item  = NULL;
 867         list[0]     = val;
 868         list[1]     = NULL;
 869         *out = list;
 870         if (
 871                 in && in[0] && ATTR_IS_STRING(in[0]->type) && in[0]->u.str && //map name
 872                       in[1] && ATTR_IS_STRING(in[1]->type) && in[1]->u.str    //item type
 873         ) {
 874
 875                 if(!(ms=navit_get_mapset(this))) {
 876                         dbg(1, "Command function map_add_curr_pos(): there is no active mapset\n");
 877                         return;
 878                 }
 879
 880                 if((item_type = item_from_name(in[1]->u.str))==type_none) {
 881                         dbg(1, "Command function map_add_curr_pos(): unknown item type\n");
 882                         return;
 883                 }
 884
 885                 curr_map = mapset_get_map_by_name(ms, in[0]->u.str);
 886
 887                 //no map with the given name found
 888                 if( ! curr_map) {
 889                         dbg(1, "Command function map_add_curr_pos(): map not found\n");
 890                         return;
 891                 }
 892
 893                 if(this->vehicle && this->vehicle->vehicle ) {
 894                         struct attr pos_attr;
 895                         if(vehicle_get_attr(this->vehicle->vehicle,attr_position_coord_geo,&pos_attr,NULL)) {
 896                                 transform_from_geo(projection_mg, pos_attr.u.coord_geo, &curr_coord);
 897                         } else {
 898                                 dbg(1, "Command function map_add_curr_pos(): vehicle position is not accessible\n");
 899                                 return;
 900                         }
 901                 } else {
 902                         dbg(1, "Command function map_add_curr_pos(): no vehicle\n");
 903                         return;
 904                 }
 905
 906                 sel.next=NULL;
 907                 sel.order=18;
 908                 sel.range.min=type_none;
 909                 sel.range.max=type_tec_common;
 910                 sel.u.c_rect.lu.x=curr_coord.x-selection_range;
 911                 sel.u.c_rect.lu.y=curr_coord.y+selection_range;
 912                 sel.u.c_rect.rl.x=curr_coord.x+selection_range;
 913                 sel.u.c_rect.rl.y=curr_coord.y-selection_range;
 914
 915                 mr = map_rect_new(curr_map, &sel);
 916                 if(mr) {
 917                         it = map_rect_create_item( mr, item_type);
 918                         if (it) {
 919                                 val->type = attr_type_item_begin;
 920                                 item_coord_set(it,&curr_coord, 1, change_mode_modify);
 921                         }
 922                         val->u.item  = it;
 923                 }
 924                 map_rect_destroy(mr);
 925         }
 926 }
 927
 928 /**
 929  * sets an attribute (name value pair) of a map item specified by map name and item id
 930  *
 931  * @param navit The navit instance
 932  * @param function unused (needed to match command function signiture)
 933  * @param in input attribute in[0] - name of the map  ; in[1] - item  ; in[2] - attr name ; in[3] - attr value
 934  * @param out output attribute, 0 on error, 1 on success
 935  * @param valid unused
 936  * @returns nothing
 937  */
 938 static void
 939 navit_cmd_map_item_set_attr(struct navit *this, char *function, struct attr **in, struct attr ***out, int *valid)
 940 {
 941         if (
 942                 in && in[0] && ATTR_IS_STRING(in[0]->type) && in[0]->u.str  &&//map name
 943                       in[1] && ATTR_IS_ITEM(in[1]->type)   &&                  //item
 944                       in[2] && ATTR_IS_STRING(in[2]->type) && in[2]->u.str && //attr_type str
 945                       in[3] && ATTR_IS_STRING(in[3]->type) && in[3]->u.str    //attr_value str
 946         ) {
 947                 struct attr attr_to_set;
 948                 struct map* curr_map = NULL;
 949                 struct mapset *ms;
 950                 struct map_selection sel;
 951                 const int selection_range = 500;
 952                 struct coord curr_coord;
 953                 struct item *it;
 954
 955                 if(ATTR_IS_STRING(attr_from_name(in[2]->u.str))) {
 956                         attr_to_set.u.str = in[3]->u.str;
 957                         attr_to_set.type = attr_from_name(in[2]->u.str);
 958                 }
 959                 else if(ATTR_IS_INT(attr_from_name(in[2]->u.str))) {
 960                         attr_to_set.u.num = atoi(in[3]->u.str);
 961                         attr_to_set.type = attr_from_name(in[2]->u.str);
 962                 }
 963                 else if(ATTR_IS_DOUBLE(attr_from_name(in[2]->u.str))) {
 964                         double* val = g_new0(double,1);
 965                         *val = atof(in[3]->u.str);
 966                         attr_to_set.u.numd = val;
 967                         attr_to_set.type = attr_from_name(in[2]->u.str);
 968                 }
 969
 970                 ms = navit_get_mapset(this);
 971
 972                 curr_map = mapset_get_map_by_name(ms, in[0]->u.str);
 973
 974                 if( ! curr_map) {
 975                         return;
 976                 }
 977                 sel.next=NULL;
 978                 sel.order=18;
 979                 sel.range.min=type_none;
 980                 sel.range.max=type_tec_common;
 981                 sel.u.c_rect.lu.x=curr_coord.x-selection_range;
 982                 sel.u.c_rect.lu.y=curr_coord.y+selection_range;
 983                 sel.u.c_rect.rl.x=curr_coord.x+selection_range;
 984                 sel.u.c_rect.rl.y=curr_coord.y-selection_range;
 985
 986                 it = in[1]->u.item;
 987                 if(it) {
 988                         item_attr_set(it, &attr_to_set, change_mode_modify);
 989                 }
 990         } else {
 991                 dbg(4,"Error in command function item_set_attr()\n");
 992                 dbg(4,"Command function item_set_attr(): map cond:       %d\n",(in[0] && ATTR_IS_STRING(in[0]->type) && in[0]->u.str)?1:0);
 993                 dbg(4,"Command function item_set_attr(): item cond:      %d\n",(in[1] && ATTR_IS_ITEM(in[1]->type))?1:0);
 994                 dbg(4,"Command function item_set_attr(): attr type cond: %d\n",(in[2] && ATTR_IS_STRING(in[2]->type) && in[2]->u.str)?1:0);
 995                 dbg(4,"Command function item_set_attr(): attr val cond:  %d\n",(in[3] && ATTR_IS_STRING(in[3]->type) && in[3]->u.str)?1:0);
 996         }
 997 }
 998
 999 /**
1000  * Get attr variable given a key string for the command system (for opaque usage)
1001  *
1002  * @param navit The navit instance
1003  * @param function unused (needed to match command function signiture)
1004  * @param in input attribute in[0] is the key string
1005  * @param out output attribute, the attr for the given key string if exists or NULL
1006  * @param valid unused
1007  * @returns nothing
1008  */
1009 static void
1010 navit_cmd_get_attr_var(struct navit *this, char *function, struct attr **in, struct attr ***out, int *valid)
1011 {
1012         struct attr **list = g_new0(struct attr *,2);
1013         if(!cmd_attr_var_hash) {
1014                 struct attr*val = g_new0(struct attr,1);
1015                 cmd_attr_var_hash = g_hash_table_new(g_str_hash, g_str_equal);
1016                 val->type   = attr_type_item_begin;
1017                 val->u.item = NULL;
1018                 list[0]     = val;
1019         }
1020         if (in && in[0] && ATTR_IS_STRING(in[0]->type) && in[0]->u.str) {
1021                 struct attr*ret = g_hash_table_lookup(cmd_attr_var_hash, in[0]->u.str);
1022                 if(ret) {
1023                         list[0] = attr_dup(ret);
1024                 }
1025                 else {
1026                         struct attr*val = g_new0(struct attr,1);
1027                         val->type   = attr_type_int_begin;
1028                         val->u.item = NULL;
1029                         list[0]   = val;
1030                 }
1031         }
1032         list[1] = NULL;
1033         *out = list;
1034 }
1035
1036
1037 /**
1038  * Get value given a key string for the command system
1039  *
1040  * @param navit The navit instance
1041  * @param function unused (needed to match command function signiture)
1042  * @param in input attribute in[0] is the key string
1043  * @param out output attribute, the value for the given key string if exists or 0
1044  * @param valid unused
1045  * @returns nothing
1046  */
1047 static void
1048 navit_cmd_get_int_var(struct navit *this, char *function, struct attr **in, struct attr ***out, int *valid)
1049 {
1050         struct attr **list = g_new0(struct attr *,2);
1051         if(!cmd_int_var_hash) {
1052                 struct attr*val = g_new0(struct attr,1);
1053                 cmd_int_var_hash = g_hash_table_new(g_str_hash, g_str_equal);
1054                 val->type   = attr_type_int_begin;
1055                 val->u.num  = 0;
1056                 list[0]     = val;
1057         }
1058         if (in && in[0] && ATTR_IS_STRING(in[0]->type) && in[0]->u.str) {
1059                 struct attr*ret = g_hash_table_lookup(cmd_int_var_hash, in[0]->u.str);
1060                 if(ret) {
1061                         list[0] = attr_dup(ret);
1062                 }
1063                 else {
1064                         struct attr*val = g_new0(struct attr,1);
1065                         val->type   = attr_type_int_begin;
1066                         val->u.num  = 0;
1067                         list[0]   = val;
1068                 }
1069         }
1070         list[1] = NULL;
1071         *out = list;
1072 }
1073
1074 GList *cmd_int_var_stack = NULL;
1075
1076 /**
1077  * Push an integer to the stack for the command system
1078  *
1079  * @param navit The navit instance
1080  * @param function unused (needed to match command function signiture)
1081  * @param in input attribute in[0] is the integer attibute to push
1082  * @param out output attributes, unused
1083  * @param valid unused
1084  * @returns nothing
1085  */
1086 static void
1087 navit_cmd_push_int(struct navit *this, char *function, struct attr **in, struct attr ***out, int *valid)
1088 {
1089         if (in && in[0] && ATTR_IS_NUMERIC(in[0]->type)) {
1090                 struct attr*val = g_new(struct attr,1);
1091                 attr_dup_content(in[0],val);
1092                 cmd_int_var_stack = g_list_prepend(cmd_int_var_stack, val);
1093         }
1094 }
1095
1096 /**
1097  * Pop an integer from the command system's integer stack
1098  *
1099  * @param navit The navit instance
1100  * @param function unused (needed to match command function signiture)
1101  * @param in input attributes unused
1102  * @param out output attribute, the value popped if stack isn't empty or 0
1103  * @param valid unused
1104  * @returns nothing
1105  */
1106 static void
1107 navit_cmd_pop_int(struct navit *this, char *function, struct attr **in, struct attr ***out, int *valid)
1108 {
1109         struct attr **list = g_new0(struct attr *,2);
1110         if(!cmd_int_var_stack) {
1111                 struct attr*val = g_new0(struct attr,1);
1112                 val->type = attr_type_int_begin;
1113                 val->u.num  = 0;
1114                 list[0]   = val;
1115         }
1116         else {
1117                 list[0] = cmd_int_var_stack->data;
1118                 cmd_int_var_stack = g_list_remove_link(cmd_int_var_stack,cmd_int_var_stack);
1119         }
1120         list[1] = NULL;
1121         *out = list;
1122 }
1123
1124 /**
1125  * Get current size of command system's integer stack
1126  *
1127  * @param navit The navit instance
1128  * @param function unused (needed to match command function signiture)
1129  * @param in input attributes unused
1130  * @param out output attribute, the size of stack
1131  * @param valid unused
1132  * @returns nothing
1133  */
1134 static void
1135 navit_cmd_int_stack_size(struct navit *this, char *function, struct attr **in, struct attr ***out, int *valid)
1136 {
1137         struct attr **list;
1138         struct attr *attr  = g_new0(struct attr  ,1);
1139         attr->type  = attr_type_int_begin;
1140         if(!cmd_int_var_stack) {
1141                 attr->u.num = 0;
1142         }
1143         else {
1144                 attr->u.num = g_list_length(cmd_int_var_stack);
1145         }
1146         list = g_new0(struct attr *,2);
1147         list[0] = attr;
1148         list[1] = NULL;
1149         *out = list;
1150         cmd_int_var_stack = g_list_remove_link(cmd_int_var_stack,cmd_int_var_stack);
1151 }
1152
1153 static struct attr **
1154 navit_get_coord(struct navit *this, struct attr **in, struct pcoord *pc)
1155 {
1156         if (!in)
1157                 return NULL;
1158         if (!in[0])
1159                 return NULL;
1160         pc->pro = transform_get_projection(this->trans);
1161         if (ATTR_IS_STRING(in[0]->type)) {
1162                 struct coord c;
1163                 coord_parse(in[0]->u.str, pc->pro, &c);
1164                 pc->x=c.x;
1165                 pc->y=c.y;
1166                 in++;
1167         } else if (ATTR_IS_COORD(in[0]->type)) {
1168                 pc->x=in[0]->u.coord->x;
1169                 pc->y=in[0]->u.coord->y;
1170                 in++;
1171         } else if (ATTR_IS_PCOORD(in[0]->type)) {
1172                 *pc=*in[0]->u.pcoord;
1173                 in++;
1174         } else if (in[1] && in[2] && ATTR_IS_INT(in[0]->type) && ATTR_IS_INT(in[1]->type) && ATTR_IS_INT(in[2]->type)) {
1175                 pc->pro=in[0]->u.num;
1176                 pc->x=in[1]->u.num;
1177                 pc->y=in[2]->u.num;
1178                 in+=3;
1179         } else if (in[1] && ATTR_IS_INT(in[0]->type) && ATTR_IS_INT(in[1]->type)) {
1180                 pc->x=in[0]->u.num;
1181                 pc->y=in[1]->u.num;
1182                 in+=2;
1183         } else
1184                 return NULL;
1185         return in;
1186 }
1187
1188 static void
1189 navit_cmd_set_destination(struct navit *this, char *function, struct attr **in, struct attr ***out, int *valid)
1190 {
1191         struct pcoord pc;
1192         char *description=NULL;
1193         in=navit_get_coord(this, in, &pc);
1194         if (!in)
1195                 return;
1196         if (in[0] && ATTR_IS_STRING(in[0]->type))
1197                 description=in[0]->u.str;
1198         navit_set_destination(this, &pc, description, 1);
1199 }
1200
1201
1202 static void
1203 navit_cmd_route_remove_next_waypoint(struct navit *this, char *function, struct attr **in, struct attr ***out, int *valid)
1204 {
1205         navit_remove_waypoint(this);
1206 }
1207
1208
1209 static void
1210 navit_cmd_route_remove_last_waypoint(struct navit *this, char *function, struct attr **in, struct attr ***out, int *valid)
1211 {
1212         navit_remove_nth_waypoint(this, navit_get_destination_count(this)-1);
1213 }
1214
1215
1216 static void
1217 navit_cmd_set_center(struct navit *this, char *function, struct attr **in, struct attr ***out, int *valid)
1218 {
1219         struct pcoord pc;
1220         in=navit_get_coord(this, in, &pc);
1221         if (!in)
1222                 return;
1223         navit_set_center(this, &pc, 0);
1224 }
1225
1226
1227 static void
1228 navit_cmd_set_position(struct navit *this, char *function, struct attr **in, struct attr ***out, int *valid)
1229 {
1230         struct pcoord pc;
1231         in=navit_get_coord(this, in, &pc);
1232         if (!in)
1233                 return;
1234         navit_set_position(this, &pc);
1235 }
1236
1237
1238 static void
1239 navit_cmd_fmt_coordinates(struct navit *this, char *function, struct attr **in, struct attr ***out, int *valid)
1240 {
1241         struct attr attr;
1242         attr.type=attr_type_string_begin;
1243         attr.u.str="Fix me";
1244         if (out) {
1245                 *out=attr_generic_add_attr(*out, &attr);
1246         }
1247 }
1248
1249 /**
1250  * Join several string attributes into one
1251  *
1252  * @param navit The navit instance
1253  * @param function unused (needed to match command function signiture)
1254  * @param in input attributes in[0] - separator, in[1..] - attributes to join
1255  * @param out output attribute joined attribute as string
1256  * @param valid unused
1257  * @returns nothing
1258  */
1259 static void
1260 navit_cmd_strjoin(struct navit *this, char *function, struct attr **in, struct attr ***out, int *valid)
1261 {
1262         struct attr attr;
1263         gchar *ret, *sep;
1264         int i;
1265         attr.type=attr_type_string_begin;
1266         attr.u.str=NULL;
1267         if(in[0] && in[1]) {
1268                 sep=attr_to_text(in[0],NULL,1);
1269                 ret=attr_to_text(in[1],NULL,1);
1270                 for(i=2;in[i];i++) {
1271                         gchar *in_i=attr_to_text(in[i],NULL,1);
1272                         gchar *r=g_strjoin(sep,ret,in_i,NULL);
1273                         g_free(in_i);
1274                         g_free(ret);
1275                         ret=r;
1276                 }
1277                 g_free(sep);
1278                 attr.u.str=ret;
1279                 if(out) {
1280                         *out=attr_generic_add_attr(*out, &attr);
1281                 }
1282                 g_free(ret);
1283         }
1284 }
1285
1286 /**
1287  * Call external program
1288  *
1289  * @param navit The navit instance
1290  * @param function unused (needed to match command function signiture)
1291  * @param in input attributes in[0] - name of executable, in[1..] - parameters
1292  * @param out output attribute unused
1293  * @param valid unused
1294  * @returns nothing
1295  */
1296 static void
1297 navit_cmd_spawn(struct navit *this, char *function, struct attr **in, struct attr ***out, int *valid)
1298 {
1299         int i,j, nparms, nvalid;
1300         char ** argv=NULL;
1301         struct spawn_process_info *pi;
1302
1303         nparms=0;
1304         nvalid=0;
1305         if(in) {
1306                 while(in[nparms]) {
1307                         if (in[nparms]->type!=attr_none)
1308                                 nvalid++;
1309                         nparms++;
1310                 }
1311         }
1312
1313         if(nvalid>0) {
1314                 argv=g_new(char*,nvalid+1);
1315                 for(i=0,j=0;in[i];i++) {
1316                         if(in[i]->type!=attr_none ) {
1317                                 argv[j++]=attr_to_text(in[i],NULL,1);
1318                         } else {
1319                                 dbg(0,"Parameter #%i is attr_none - skipping\n",i);
1320                         }
1321                 }
1322                 argv[j]=NULL;
1323                 pi=spawn_process(argv);
1324
1325                 // spawn_process() testing suite - uncomment following code to test.
1326                 //sleep(3);
1327                 // example of non-blocking wait
1328                 //int st=spawn_process_check_status(pi,0);dbg(0,"status %i\n",st);
1329                 // example of blocking wait
1330                 //st=spawn_process_check_status(pi,1);dbg(0,"status %i\n",st);
1331                 // example of wait after process is finished and status is
1332                 // already tested
1333                 //st=spawn_process_check_status(pi,1);dbg(0,"status %i\n",st);
1334                 // example of wait after process is finished and status is
1335                 // already tested - unblocked
1336                 //st=spawn_process_check_status(pi,0);dbg(0,"status %i\n",st);
1337
1338                 // End testing suite
1339                 spawn_process_info_free(pi);
1340                 for(i=0;argv[i];i++)
1341                         g_free(argv[i]);
1342                 g_free(argv);
1343         }
1344 }
1345
1346
1347 static struct command_table commands[] = {
1348         {"zoom_in",command_cast(navit_cmd_zoom_in)},
1349         {"zoom_out",command_cast(navit_cmd_zoom_out)},
1350         {"zoom_to_route",command_cast(navit_cmd_zoom_to_route)},
1351         {"say",command_cast(navit_cmd_say)},
1352         {"set_center",command_cast(navit_cmd_set_center)},
1353         {"set_center_cursor",command_cast(navit_cmd_set_center_cursor)},
1354         {"set_destination",command_cast(navit_cmd_set_destination)},
1355         {"route_remove_next_waypoint",command_cast(navit_cmd_route_remove_next_waypoint)},
1356         {"route_remove_last_waypoint",command_cast(navit_cmd_route_remove_last_waypoint)},
1357         {"set_position",command_cast(navit_cmd_set_position)},
1358         {"announcer_toggle",command_cast(navit_cmd_announcer_toggle)},
1359         {"fmt_coordinates",command_cast(navit_cmd_fmt_coordinates)},
1360         {"set_int_var",command_cast(navit_cmd_set_int_var)},
1361         {"get_int_var",command_cast(navit_cmd_get_int_var)},
1362         {"push_int",command_cast(navit_cmd_push_int)},
1363         {"pop_int",command_cast(navit_cmd_pop_int)},
1364         {"int_stack_size",command_cast(navit_cmd_int_stack_size)},
1365         {"toggle_layer",command_cast(navit_cmd_toggle_layer)},
1366         {"strjoin",command_cast(navit_cmd_strjoin)},
1367         {"spawn",command_cast(navit_cmd_spawn)},
1368         {"map_add_curr_pos",command_cast(navit_cmd_map_add_curr_pos)},
1369         {"map_item_set_attr",command_cast(navit_cmd_map_item_set_attr)},
1370         {"set_attr_var",command_cast(navit_cmd_set_attr_var)},
1371         {"get_attr_var",command_cast(navit_cmd_get_attr_var)},
1372 };
1373
1374 void
1375 navit_command_add_table(struct navit*this_, struct command_table *commands, int count)
1376 {
1377   command_add_table(this_->attr_cbl, commands, count, this_);
1378 }
1379
1380 struct navit *
1381 navit_new(struct attr *parent, struct attr **attrs)
1382 {
1383         struct navit *this_=g_new0(struct navit, 1);
1384         struct pcoord center;
1385         struct coord co;
1386         struct coord_geo g;
1387         enum projection pro=projection_mg;
1388         int zoom = 256;
1389         g.lat=53.13;
1390         g.lng=11.70;
1391
1392         this_->func=&navit_func;
1393         this_->refcount=1;
1394         this_->attrs=attr_list_dup(attrs);
1395         this_->self.type=attr_navit;
1396         this_->self.u.navit=this_;
1397         this_->attr_cbl=callback_list_new();
1398
1399         this_->orientation=-1;
1400         this_->tracking_flag=1;
1401         this_->recentdest_count=10;
1402         this_->osd_configuration=-1;
1403
1404         this_->center_timeout = 10;
1405         this_->use_mousewheel = 1;
1406         this_->autozoom_secs = 10;
1407         this_->autozoom_min = 7;
1408         this_->autozoom_active = 0;
1409         this_->zoom_min = 1;
1410         this_->zoom_max = 2097152;
1411         this_->follow_cursor = 1;
1412         this_->radius = 30;
1413         this_->border = 16;
1414
1415         this_->trans = transform_new();
1416         this_->trans_cursor = transform_new();
1417         transform_set_projection(this_->trans_cursor, pro);
1418         transform_from_geo(pro, &g, &co);
1419         center.x=co.x;
1420         center.y=co.y;
1421         center.pro = pro;
1422
1423         transform_setup(this_->trans, &center, zoom, (this_->orientation != -1) ? this_->orientation : 0);
1424
1425         this_->bookmarks=bookmarks_new(&this_->self, NULL, this_->trans);
1426
1427         this_->prevTs=0;
1428
1429         for (;*attrs; attrs++) {
1430                 navit_set_attr_do(this_, *attrs, 1);
1431         }
1432         this_->displaylist=graphics_displaylist_new();
1433         command_add_table(this_->attr_cbl, commands, sizeof(commands)/sizeof(struct command_table), this_);
1434
1435         this_->messages = messagelist_new(attrs);
1436
1437         dbg(1,"return %p\n",this_);
1438
1439         return this_;
1440 }
1441
1442 static int
1443 navit_set_gui(struct navit *this_, struct gui *gui)
1444 {
1445         if (this_->gui)
1446                 return 0;
1447         this_->gui=gui;
1448         if (gui_has_main_loop(this_->gui)) {
1449                 if (! main_loop_gui) {
1450                         main_loop_gui=this_->gui;
1451                 } else {
1452                         dbg(0,"gui with main loop already active, ignoring this instance");
1453                         return 0;
1454                 }
1455         }
1456         return 1;
1457 }
1458
1459 void
1460 navit_add_message(struct navit *this_, char *message)
1461 {
1462         message_new(this_->messages, message);
1463 }
1464
1465 struct message
1466 *navit_get_messages(struct navit *this_)
1467 {
1468         return message_get(this_->messages);
1469 }
1470
1471 static int
1472 navit_set_graphics(struct navit *this_, struct graphics *gra)
1473 {
1474         if (this_->gra)
1475                 return 0;
1476         this_->gra=gra;
1477         this_->resize_callback=callback_new_attr_1(callback_cast(navit_resize), attr_resize, this_);
1478         graphics_add_callback(gra, this_->resize_callback);
1479         this_->button_callback=callback_new_attr_1(callback_cast(navit_button), attr_button, this_);
1480         graphics_add_callback(gra, this_->button_callback);
1481         this_->motion_callback=callback_new_attr_1(callback_cast(navit_motion), attr_motion, this_);
1482         graphics_add_callback(gra, this_->motion_callback);
1483         this_->predraw_callback=callback_new_attr_1(callback_cast(navit_predraw), attr_predraw, this_);
1484         graphics_add_callback(gra, this_->predraw_callback);
1485         return 1;
1486 }
1487
1488 struct graphics *
1489 navit_get_graphics(struct navit *this_)
1490 {
1491         return this_->gra;
1492 }
1493
1494 struct vehicleprofile *
1495 navit_get_vehicleprofile(struct navit *this_)
1496 {
1497         return this_->vehicleprofile;
1498 }
1499
1500 GList *
1501 navit_get_vehicleprofiles(struct navit *this_)
1502 {
1503         return this_->vehicleprofiles;
1504 }
1505
1506 static void
1507 navit_projection_set(struct navit *this_, enum projection pro, int draw)
1508 {
1509         struct coord_geo g;
1510         struct coord *c;
1511
1512         c=transform_center(this_->trans);
1513         transform_to_geo(transform_get_projection(this_->trans), c, &g);
1514         transform_set_projection(this_->trans, pro);
1515         transform_from_geo(pro, &g, c);
1516         if (draw)
1517                 navit_draw(this_);
1518 }
1519
1520 static void
1521 navit_mark_navigation_stopped(char *former_destination_file){
1522         FILE *f;
1523         f=fopen(former_destination_file, "a");
1524         if (f) {
1525                 fprintf(f,"%s", TEXTFILE_COMMENT_NAVI_STOPPED);
1526                 fclose(f);
1527         }else{
1528                 dbg(0, "Error setting mark in destination file %s: %s\n", former_destination_file, strerror(errno));
1529         }
1530 }
1531
1532 /**
1533  * Start or add a given set of coordinates for route computing
1534  *
1535  * @param navit The navit instance
1536  * @param c The coordinate to start routing to
1537  * @param description A label which allows the user to later identify this destination in the former destinations selection
1538  * @returns nothing
1539  */
1540 void
1541 navit_set_destination(struct navit *this_, struct pcoord *c, const char *description, int async)
1542 {
1543         char *destination_file;
1544         destination_file = bookmarks_get_destination_file(TRUE);
1545         if (c) {
1546                 this_->destination=*c;
1547                 this_->destination_valid=1;
1548
1549                 dbg(1, "c=(%i,%i)\n", c->x,c->y);
1550                 bookmarks_append_coord(this_->former_destination, destination_file, c, type_former_destination, description, this_->recentdest_count);
1551         } else {
1552                 this_->destination_valid=0;
1553                 navit_mark_navigation_stopped(destination_file);
1554         }
1555         g_free(destination_file);
1556         callback_list_call_attr_0(this_->attr_cbl, attr_destination);
1557         if (this_->route) {
1558                 struct attr attr;
1559                 navit_get_attr(this_, attr_waypoints_flag, &attr, NULL);
1560                 if (this_->waypoints_flag==0 || route_get_destination_count(this_->route)==0){
1561                         route_set_destination(this_->route, c, async);
1562                 }else{
1563                         route_append_destination(this_->route, c, async);
1564                 }
1565
1566                 if (this_->ready == 3)
1567                         navit_draw(this_);
1568         }
1569 }
1570
1571 /**
1572  * Start the route computing to a given set of coordinates including waypoints
1573  *
1574  * @param navit The navit instance
1575  * @param c The coordinate to start routing to
1576  * @param description A label which allows the user to later identify this destination in the former destinations selection
1577  * @returns nothing
1578  */
1579 void
1580 navit_set_destinations(struct navit *this_, struct pcoord *c, int count, const char *description, int async)
1581 {
1582         char *destination_file;
1583         if (c && count) {
1584                 this_->destination=c[count-1];
1585                 this_->destination_valid=1;
1586
1587                 destination_file = bookmarks_get_destination_file(TRUE);
1588                 bookmarks_append_coord(this_->former_destination, destination_file, c, type_former_itinerary, description, this_->recentdest_count);
1589                 g_free(destination_file);
1590         } else
1591                 this_->destination_valid=0;
1592         callback_list_call_attr_0(this_->attr_cbl, attr_destination);
1593         if (this_->route) {
1594                 route_set_destinations(this_->route, c, count, async);
1595
1596                 if (this_->ready == 3)
1597                         navit_draw(this_);
1598         }
1599 }
1600
1601 int
1602 navit_get_destinations(struct navit *this_, struct pcoord *pc, int count)
1603 {
1604         if(!this_->route)
1605                 return 0;
1606         return route_get_destinations(this_->route, pc, count);
1607
1608 }
1609
1610 int
1611 navit_get_destination_count(struct navit *this_)
1612 {
1613         if(!this_->route)
1614                 return 0;
1615         return route_get_destination_count(this_->route);
1616 }
1617
1618 char*
1619 navit_get_destination_description(struct navit *this_, int n)
1620 {
1621         if(!this_->route)
1622                 return NULL;
1623         return route_get_destination_description(this_->route, n);
1624 }
1625
1626 void
1627 navit_remove_nth_waypoint(struct navit *this_, int n)
1628 {
1629         if(!this_->route)
1630                 return;
1631         if (route_get_destination_count(this_->route)>1){
1632                 route_remove_nth_waypoint(this_->route, n);
1633         }else{
1634                 navit_set_destination(this_, NULL, NULL, 0);
1635         }
1636 }
1637
1638 void
1639 navit_remove_waypoint(struct navit *this_)
1640 {
1641         if(!this_->route)
1642                 return;
1643         if (route_get_destination_count(this_->route)>1){
1644                 route_remove_waypoint(this_->route);
1645         }else{
1646                 navit_set_destination(this_, NULL, NULL, 0);
1647         }
1648 }
1649
1650 /**
1651  * @brief Checks if a route is calculated
1652  *
1653  * This function checks if a route is calculated.
1654  *
1655  * @param this_ The navit struct whose route should be checked.
1656  * @return True if the route is set, false otherwise.
1657  */
1658 int
1659 navit_check_route(struct navit *this_)
1660 {
1661         if (this_->route) {
1662                 return route_get_path_set(this_->route);
1663         }
1664
1665         return 0;
1666 }
1667
1668 static int
1669 navit_former_destinations_active(struct navit *this_)
1670 {
1671         char *destination_file_name = bookmarks_get_destination_file(FALSE);
1672         FILE *destination_file;
1673         int active=0;
1674         char lastline[100];
1675         destination_file=fopen(destination_file_name,"r");
1676         if (destination_file) {
1677                 while(fgets(lastline, sizeof(lastline), destination_file));
1678                 fclose(destination_file);
1679                 if ((lastline != NULL) && (strcmp(lastline, TEXTFILE_COMMENT_NAVI_STOPPED))){
1680                         active=1;
1681                 }
1682         }
1683         g_free(destination_file_name);
1684         return active;
1685 }
1686
1687 struct map* read_former_destinations_from_file(){
1688         struct attr type, data, flags, *attrs[4];
1689         char *destination_file = bookmarks_get_destination_file(FALSE);
1690         struct map *m;
1691
1692         type.type=attr_type;
1693         type.u.str="textfile";
1694
1695         data.type=attr_data;
1696         data.u.str=destination_file;
1697
1698         flags.type=attr_flags;
1699         flags.u.num=1;
1700
1701         attrs[0]=&type; attrs[1]=&data; attrs[2]=&flags; attrs[3]=NULL;
1702
1703         m=map_new(NULL, attrs);
1704         g_free(destination_file);
1705         return m;
1706 }
1707
1708 static void
1709 navit_add_former_destinations_from_file(struct navit *this_)
1710 {
1711         struct item *item;
1712         int i,valid=0,count=0;
1713         struct coord c[16];
1714         struct pcoord pc[16];
1715         struct map_rect *mr;
1716
1717         this_->former_destination=read_former_destinations_from_file();
1718         if (!this_->route || !navit_former_destinations_active(this_) || !this_->vehicle)
1719                 return;
1720         mr=map_rect_new(this_->former_destination, NULL);
1721         while ((item=map_rect_get_item(mr))) {
1722                 if ((item->type == type_former_destination || item->type == type_former_itinerary || item->type == type_former_itinerary_part) && (count=item_coord_get(item, c, 16)))
1723                         valid=1;
1724         }
1725         map_rect_destroy(mr);
1726         if (valid && count > 0) {
1727                 for (i = 0 ; i < count ; i++) {
1728                         pc[i].pro=map_projection(this_->former_destination);
1729                         pc[i].x=c[i].x;
1730                         pc[i].y=c[i].y;
1731                 }
1732                 if (count == 1)
1733                         route_set_destination(this_->route, &pc[0], 1);
1734                 else
1735                         route_set_destinations(this_->route, pc, count, 1);
1736                 this_->destination=pc[count-1];
1737                 this_->destination_valid=1;
1738         }
1739 }
1740
1741
1742 void
1743 navit_textfile_debug_log(struct navit *this_, const char *fmt, ...)
1744 {
1745         va_list ap;
1746         char *str1,*str2;
1747         va_start(ap, fmt);
1748         if (this_->textfile_debug_log && this_->vehicle) {
1749                 str1=g_strdup_vprintf(fmt, ap);
1750                 str2=g_strdup_printf("0x%x 0x%x%s%s\n", this_->vehicle->coord.x, this_->vehicle->coord.y, strlen(str1) ? " " : "", str1);
1751                 log_write(this_->textfile_debug_log, str2, strlen(str2), 0);
1752                 g_free(str2);
1753                 g_free(str1);
1754         }
1755         va_end(ap);
1756 }
1757
1758 void
1759 navit_textfile_debug_log_at(struct navit *this_, struct pcoord *pc, const char *fmt, ...)
1760 {
1761         va_list ap;
1762         char *str1,*str2;
1763         va_start(ap, fmt);
1764         if (this_->textfile_debug_log && this_->vehicle) {
1765                 str1=g_strdup_vprintf(fmt, ap);
1766                 str2=g_strdup_printf("0x%x 0x%x%s%s\n", pc->x, pc->y, strlen(str1) ? " " : "", str1);
1767                 log_write(this_->textfile_debug_log, str2, strlen(str2), 0);
1768                 g_free(str2);
1769                 g_free(str1);
1770         }
1771         va_end(ap);
1772 }
1773
1774 void
1775 navit_say(struct navit *this_, char *text)
1776 {
1777         struct attr attr;
1778         if(this_->speech) {
1779                 if (!speech_get_attr(this_->speech, attr_active, &attr, NULL))
1780                         attr.u.num = 1;
1781                 dbg(1, "this_.speech->active %i\n", attr.u.num);
1782                 if(attr.u.num)
1783                         speech_say(this_->speech, text);
1784         }
1785 }
1786
1787 /**
1788  * @brief Toggles the navigation announcer for navit
1789  * @param this_ The navit object
1790  */
1791 static void
1792 navit_cmd_announcer_toggle(struct navit *this_)
1793 {
1794     struct attr attr, speechattr;
1795
1796     // search for the speech attribute
1797     if(!navit_get_attr(this_, attr_speech, &speechattr, NULL))
1798         return;
1799     // find out if the corresponding attribute attr_active has been set
1800     if(speech_get_attr(speechattr.u.speech, attr_active, &attr, NULL)) {
1801         // flip it then...
1802         attr.u.num = !attr.u.num;
1803     } else {
1804         // otherwise disable it because voice is enabled by default
1805         attr.type = attr_active;
1806         attr.u.num = 0;
1807     }
1808
1809     // apply the new state
1810     if(!speech_set_attr(speechattr.u.speech, &attr))
1811         return;
1812
1813     // announce that the speech attribute has changed
1814     callback_list_call_attr_0(this_->attr_cbl, attr_speech);
1815 }
1816
1817 void
1818 navit_speak(struct navit *this_)
1819 {
1820         struct navigation *nav=this_->navigation;
1821         struct map *map=NULL;
1822         struct map_rect *mr=NULL;
1823         struct item *item;
1824         struct attr attr;
1825
1826     if (!speech_get_attr(this_->speech, attr_active, &attr, NULL))
1827         attr.u.num = 1;
1828     dbg(1, "this_.speech->active %i\n", attr.u.num);
1829     if(!attr.u.num)
1830         return;
1831
1832         if (nav)
1833                 map=navigation_get_map(nav);
1834         if (map)
1835                 mr=map_rect_new(map, NULL);
1836         if (mr) {
1837                 while ((item=map_rect_get_item(mr)) && (item->type == type_nav_position || item->type == type_nav_none));
1838                 if (item && item_attr_get(item, attr_navigation_speech, &attr)) {
1839                         speech_say(this_->speech, attr.u.str);
1840                         navit_add_message(this_, attr.u.str);
1841                         navit_textfile_debug_log(this_, "type=announcement label=\"%s\"", attr.u.str);
1842                 }
1843                 map_rect_destroy(mr);
1844         }
1845 }
1846
1847 static void
1848 navit_window_roadbook_update(struct navit *this_)
1849 {
1850         struct navigation *nav=this_->navigation;
1851         struct map *map=NULL;
1852         struct map_rect *mr=NULL;
1853         struct item *item;
1854         struct attr attr;
1855         struct param_list param[5];
1856         int secs;
1857
1858         dbg(1,"enter\n");
1859         datawindow_mode(this_->roadbook_window, 1);
1860         if (nav)
1861                 map=navigation_get_map(nav);
1862         if (map)
1863                 mr=map_rect_new(map, NULL);
1864         dbg(0,"nav=%p map=%p mr=%p\n", nav, map, mr);
1865         if (mr) {
1866                 dbg(0,"while loop\n");
1867                 while ((item=map_rect_get_item(mr))) {
1868                         dbg(0,"item=%p\n", item);
1869                         attr.u.str=NULL;
1870                         if (item->type != type_nav_position) {
1871                                 item_attr_get(item, attr_navigation_long, &attr);
1872                                 if (attr.u.str == NULL) {
1873                                         continue;
1874                                 }
1875                                 dbg(2, "Command='%s'\n", attr.u.str);
1876                                 param[0].value=g_strdup(attr.u.str);
1877                         } else
1878                                 param[0].value=_("Position");
1879                         param[0].name=_("Command");
1880
1881                         item_attr_get(item, attr_length, &attr);
1882                         dbg(2, "Length=%d\n", attr.u.num);
1883                         param[1].name=_("Length");
1884
1885                         if ( attr.u.num >= 2000 )
1886                         {
1887                                 param[1].value=g_strdup_printf("%5.1f %s",(float)attr.u.num / 1000, _("km") );
1888                         }
1889                         else
1890                         {
1891                                 param[1].value=g_strdup_printf("%7ld %s",attr.u.num, _("m"));
1892                         }
1893
1894                         item_attr_get(item, attr_time, &attr);
1895                         dbg(2, "Time=%d\n", attr.u.num);
1896                         secs=attr.u.num/10;
1897                         param[2].name=_("Time");
1898                         if ( secs >= 3600 )
1899                         {
1900                                 param[2].value=g_strdup_printf("%d:%02d:%02d",secs / 60, ( secs / 60 ) % 60 , secs % 60);
1901                         }
1902                         else
1903                         {
1904                                 param[2].value=g_strdup_printf("%d:%02d",secs / 60, secs % 60);
1905                         }
1906
1907                         item_attr_get(item, attr_destination_length, &attr);
1908                         dbg(2, "Destlength=%d\n", attr.u.num);
1909                         param[3].name=_("Destination Length");
1910                         if ( attr.u.num >= 2000 )
1911                         {
1912                                 param[3].value=g_strdup_printf("%5.1f %s",(float)attr.u.num / 1000, _("km") );
1913                         }
1914                         else
1915                         {
1916                                 param[3].value=g_strdup_printf("%ld %s",attr.u.num, _("m"));
1917                         }
1918
1919                         item_attr_get(item, attr_destination_time, &attr);
1920                         dbg(2, "Desttime=%d\n", attr.u.num);
1921                         secs=attr.u.num/10;
1922                         param[4].name=_("Destination Time");
1923                         if ( secs >= 3600 )
1924                         {
1925                                 param[4].value=g_strdup_printf("%d:%02d:%02d",secs / 3600, (secs / 60 ) % 60 , secs % 60);
1926                         }
1927                         else
1928                         {
1929                                 param[4].value=g_strdup_printf("%d:%02d",secs / 60, secs % 60);
1930                         }
1931                         datawindow_add(this_->roadbook_window, param, 5);
1932                 }
1933                 map_rect_destroy(mr);
1934         }
1935         datawindow_mode(this_->roadbook_window, 0);
1936 }
1937
1938 void
1939 navit_window_roadbook_destroy(struct navit *this_)
1940 {
1941         dbg(0, "enter\n");
1942         navigation_unregister_callback(this_->navigation, attr_navigation_long, this_->roadbook_callback);
1943         callback_destroy(this_->roadbook_callback);
1944         this_->roadbook_window=NULL;
1945         this_->roadbook_callback=NULL;
1946 }
1947 void
1948 navit_window_roadbook_new(struct navit *this_)
1949 {
1950         if (!this_->gui || this_->roadbook_callback || this_->roadbook_window) {
1951                 return;
1952         }
1953
1954         this_->roadbook_callback=callback_new_1(callback_cast(navit_window_roadbook_update), this_);
1955         navigation_register_callback(this_->navigation, attr_navigation_long, this_->roadbook_callback);
1956         this_->roadbook_window=gui_datawindow_new(this_->gui, _("Roadbook"), NULL, callback_new_1(callback_cast(navit_window_roadbook_destroy), this_));
1957         navit_window_roadbook_update(this_);
1958 }
1959
1960 void
1961 navit_init(struct navit *this_)
1962 {
1963         struct mapset *ms;
1964         struct map *map;
1965         int callback;
1966         char *center_file;
1967
1968         dbg(2,"enter gui %p graphics %p\n",this_->gui,this_->gra);
1969
1970         if (!this_->gui && !(this_->flags & 2)) {
1971                 dbg(0,"Warning: No GUI available.\n");
1972                 return;
1973         }
1974         if (!this_->gra && !(this_->flags & 1)) {
1975                 dbg(0,"Warning: No graphics subsystem available.\n");
1976                 return;
1977         }
1978         dbg(2,"Connecting gui to graphics\n");
1979         if (this_->gui && this_->gra && gui_set_graphics(this_->gui, this_->gra)) {
1980                 struct attr attr_type_gui, attr_type_graphics;
1981                 gui_get_attr(this_->gui, attr_type, &attr_type_gui, NULL);
1982                 graphics_get_attr(this_->gra, attr_type, &attr_type_graphics, NULL);
1983                 dbg(0,"failed to connect graphics '%s' to gui '%s'\n", attr_type_graphics.u.str, attr_type_gui.u.str);
1984                 dbg(0," Please see http://wiki.navit-project.org/index.php/Failed_to_connect_graphics_to_gui\n");
1985                 dbg(0," for explanations and solutions\n");
1986                 return;
1987         }
1988         if (this_->speech && this_->navigation) {
1989                 struct attr speech;
1990                 speech.type=attr_speech;
1991                 speech.u.speech=this_->speech;
1992                 navigation_set_attr(this_->navigation, &speech);
1993         }
1994         dbg(2,"Initializing graphics\n");
1995         dbg(2,"Setting Vehicle\n");
1996         navit_set_vehicle(this_, this_->vehicle);
1997         dbg(2,"Adding dynamic maps to mapset %p\n",this_->mapsets);
1998         if (this_->mapsets) {
1999                 struct mapset_handle *msh;
2000                 ms=this_->mapsets->data;
2001                 this_->progress_cb=callback_new_attr_1(callback_cast(navit_map_progress), attr_progress, this_);
2002                 msh=mapset_open(ms);
2003                 while (msh && (map=mapset_next(msh, 0))) {
2004                         //pass new callback instance for each map in the mapset to make map callback list destruction work correctly
2005                         struct callback *pcb = callback_new_attr_1(callback_cast(navit_map_progress), attr_progress, this_);
2006                         map_add_callback(map, pcb);
2007                 }
2008                 mapset_close(msh);
2009
2010                 if (this_->route) {
2011                         if ((map=route_get_map(this_->route))) {
2012                                 struct attr map_a;
2013                                 map_a.type=attr_map;
2014                                 map_a.u.map=map;
2015                                 mapset_add_attr(ms, &map_a);
2016                         }
2017                         if ((map=route_get_graph_map(this_->route))) {
2018                                 struct attr map_a,active;
2019                                 map_a.type=attr_map;
2020                                 map_a.u.map=map;
2021                                 active.type=attr_active;
2022                                 active.u.num=0;
2023                                 mapset_add_attr(ms, &map_a);
2024                                 map_set_attr(map, &active);
2025                         }
2026                         route_set_mapset(this_->route, ms);
2027                         route_set_projection(this_->route, transform_get_projection(this_->trans));
2028                 }
2029                 if (this_->tracking) {
2030                         tracking_set_mapset(this_->tracking, ms);
2031                         if (this_->route)
2032                                 tracking_set_route(this_->tracking, this_->route);
2033                 }
2034                 if (this_->navigation) {
2035                         if ((map=navigation_get_map(this_->navigation))) {
2036                                 struct attr map_a,active;
2037                                 map_a.type=attr_map;
2038                                 map_a.u.map=map;
2039                                 active.type=attr_active;
2040                                 active.u.num=0;
2041                                 mapset_add_attr(ms, &map_a);
2042                                 map_set_attr(map, &active);
2043                         }
2044                 }
2045                 if (this_->tracking) {
2046                         if ((map=tracking_get_map(this_->tracking))) {
2047                                 struct attr map_a,active;
2048                                 map_a.type=attr_map;
2049                                 map_a.u.map=map;
2050                                 active.type=attr_active;
2051                                 active.u.num=0;
2052                                 mapset_add_attr(ms, &map_a);
2053                                 map_set_attr(map, &active);
2054                         }
2055                 }
2056                 navit_add_former_destinations_from_file(this_);
2057         } else {
2058                 dbg(0, "FATAL: No mapset available. Please add a (valid) mapset to your configuration.\n");
2059                 exit(1);
2060         }
2061         if (this_->route) {
2062                 struct attr callback;
2063                 this_->route_cb=callback_new_attr_1(callback_cast(navit_redraw_route), attr_route_status, this_);
2064                 callback.type=attr_callback;
2065                 callback.u.callback=this_->route_cb;
2066                 route_add_attr(this_->route, &callback);
2067         }
2068         if (this_->navigation) {
2069                 if (this_->speech) {
2070                         this_->nav_speech_cb=callback_new_1(callback_cast(navit_speak), this_);
2071                         navigation_register_callback(this_->navigation, attr_navigation_speech, this_->nav_speech_cb);
2072                 }
2073                 if (this_->route)
2074                         navigation_set_route(this_->navigation, this_->route);
2075         }
2076         dbg(2,"Setting Center\n");
2077         center_file = bookmarks_get_center_file(FALSE);
2078         bookmarks_set_center_from_file(this_->bookmarks, center_file);
2079         g_free(center_file);
2080 #if 0
2081         if (this_->menubar) {
2082                 men=menu_add(this_->menubar, "Data", menu_type_submenu, NULL);
2083                 if (men) {
2084                         navit_add_menu_windows_items(this_, men);
2085                 }
2086         }
2087 #endif
2088         global_navit=this_;
2089 #if 0
2090         navit_window_roadbook_new(this_);
2091         navit_window_items_new(this_);
2092 #endif
2093
2094         messagelist_init(this_->messages);
2095
2096         navit_set_cursors(this_);
2097
2098         callback_list_call_attr_1(this_->attr_cbl, attr_navit, this_);
2099         callback=(this_->ready == 2);
2100         this_->ready|=1;
2101         dbg(2,"ready=%d\n",this_->ready);
2102         if (this_->ready == 3)
2103                 navit_draw_async(this_, 1);
2104         if (callback)
2105                 callback_list_call_attr_1(this_->attr_cbl, attr_graphics_ready, this_);
2106 #if 0
2107         routech_test(this_);
2108 #endif
2109 }
2110
2111 void
2112 navit_zoom_to_rect(struct navit *this_, struct coord_rect *r)
2113 {
2114         struct coord c;
2115         int w,h,scale=16;
2116
2117         c.x=(r->rl.x+r->lu.x)/2;
2118         c.y=(r->rl.y+r->lu.y)/2;
2119         transform_set_center(this_->trans, &c);
2120         transform_get_size(this_->trans, &w, &h);
2121         dbg(0,"center 0x%x,0x%x w %d h %d\n",c.x,c.y,w,h);
2122         dbg(0,"%x,%x-%x,%x\n", r->lu.x,r->lu.y,r->rl.x,r->rl.y);
2123         while (scale < 1<<20) {
2124                 struct point p1,p2;
2125                 transform_set_scale(this_->trans, scale);
2126                 transform_setup_source_rect(this_->trans);
2127                 transform(this_->trans, transform_get_projection(this_->trans), &r->lu, &p1, 1, 0, 0, NULL);
2128                 transform(this_->trans, transform_get_projection(this_->trans), &r->rl, &p2, 1, 0, 0, NULL);
2129                 dbg(0,"%d,%d-%d,%d\n",p1.x,p1.y,p2.x,p2.y);
2130                 if (p1.x < 0 || p2.x < 0 || p1.x > w || p2.x > w ||
2131                     p1.y < 0 || p2.y < 0 || p1.y > h || p2.y > h)
2132                         scale*=2;
2133                 else
2134                         break;
2135
2136         }
2137         dbg(0,"scale=%d (0x%x) of %d (0x%x)\n",scale,scale,1<<20,1<<20);
2138         if (this_->ready == 3)
2139                 navit_draw_async(this_,0);
2140 }
2141
2142 void
2143 navit_zoom_to_route(struct navit *this_, int orientation)
2144 {
2145         struct map *map;
2146         struct map_rect *mr=NULL;
2147         struct item *item;
2148         struct coord c;
2149         struct coord_rect r;
2150         int count=0;
2151         if (! this_->route)
2152                 return;
2153         dbg(1,"enter\n");
2154         map=route_get_map(this_->route);
2155         dbg(1,"map=%p\n",map);
2156         if (map)
2157                 mr=map_rect_new(map, NULL);
2158         dbg(1,"mr=%p\n",mr);
2159         if (mr) {
2160                 while ((item=map_rect_get_item(mr))) {
2161                         dbg(1,"item=%s\n", item_to_name(item->type));
2162                         while (item_coord_get(item, &c, 1)) {
2163                                 dbg(1,"coord\n");
2164                                 if (!count)
2165                                         r.lu=r.rl=c;
2166                                 else
2167                                         coord_rect_extend(&r, &c);
2168                                 count++;
2169                         }
2170                 }
2171                 map_rect_destroy(mr);
2172         }
2173         if (! count)
2174                 return;
2175         if (orientation != -1)
2176                 transform_set_yaw(this_->trans, orientation);
2177         navit_zoom_to_rect(this_, &r);
2178 }
2179
2180 static void
2181 navit_cmd_zoom_to_route(struct navit *this)
2182 {
2183         navit_zoom_to_route(this, 0);
2184 }
2185
2186
2187 /**
2188  * Change the current zoom level
2189  *
2190  * @param navit The navit instance
2191  * @param center The point where to center the map, including its projection
2192  * @returns nothing
2193  */
2194 void
2195 navit_set_center(struct navit *this_, struct pcoord *center, int set_timeout)
2196 {
2197         struct coord *c=transform_center(this_->trans);
2198         struct coord c1,c2;
2199         enum projection pro = transform_get_projection(this_->trans);
2200         if (pro != center->pro) {
2201                 c1.x = center->x;
2202                 c1.y = center->y;
2203                 transform_from_to(&c1, center->pro, &c2, pro);
2204         } else {
2205                 c2.x = center->x;
2206                 c2.y = center->y;
2207         }
2208         *c=c2;
2209         if (set_timeout)
2210                 navit_set_timeout(this_);
2211         if (this_->ready == 3)
2212                 navit_draw(this_);
2213 }
2214
2215 static void
2216 navit_set_center_coord_screen(struct navit *this_, struct coord *c, struct point *p, int set_timeout)
2217 {
2218         int width, height;
2219         struct point po;
2220         transform_set_center(this_->trans, c);
2221         transform_get_size(this_->trans, &width, &height);
2222         po.x=width/2;
2223         po.y=height/2;
2224         update_transformation(this_->trans, &po, p, NULL);
2225         if (set_timeout)
2226                 navit_set_timeout(this_);
2227 }
2228
2229 /**
2230  * Links all vehicles to a cursor depending on the current profile.
2231  *
2232  * @param this_ A navit instance
2233  * @author Ralph Sennhauser (10/2009)
2234  */
2235 static void
2236 navit_set_cursors(struct navit *this_)
2237 {
2238         struct attr name;
2239         struct navit_vehicle *nv;
2240         struct cursor *c;
2241         GList *v;
2242
2243         v=g_list_first(this_->vehicles); // GList of navit_vehicles
2244         while (v) {
2245                 nv=v->data;
2246                 if (vehicle_get_attr(nv->vehicle, attr_cursorname, &name, NULL)) {
2247                         if (!strcmp(name.u.str,"none"))
2248                                 c=NULL;
2249                         else
2250                                 c=layout_get_cursor(this_->layout_current, name.u.str);
2251                 } else
2252                         c=layout_get_cursor(this_->layout_current, "default");
2253                 vehicle_set_cursor(nv->vehicle, c, 0);
2254                 v=g_list_next(v);
2255         }
2256         return;
2257 }
2258
2259 static int
2260 navit_get_cursor_pnt(struct navit *this_, struct point *p, int keep_orientation, int *dir)
2261 {
2262         int width, height;
2263         struct navit_vehicle *nv=this_->vehicle;
2264
2265         float offset=this_->radius;      // Cursor offset from the center of the screen (percent).
2266 #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 */
2267         float min_offset = 0.;      // Percent offset at min_offset_speed.
2268         float max_offset = 30.;     // Percent offset at max_offset_speed.
2269         int min_offset_speed = 2;   // Speed in km/h
2270         int max_offset_speed = 50;  // Speed ini km/h
2271         // Calculate cursor offset from the center of the screen, upon speed.
2272         if (nv->speed <= min_offset_speed) {
2273             offset = min_offset;
2274         } else if (nv->speed > max_offset_speed) {
2275             offset = max_offset;
2276         } else {
2277             offset = (max_offset - min_offset) / (max_offset_speed - min_offset_speed) * (nv->speed - min_offset_speed);
2278         }
2279 #endif
2280
2281         transform_get_size(this_->trans, &width, &height);
2282         if (this_->orientation == -1 || keep_orientation) {
2283                 p->x=50*width/100;
2284                 p->y=(50 + offset)*height/100;
2285                 if (dir)
2286                         *dir=keep_orientation?this_->orientation:nv->dir;
2287         } else {
2288                 int mdir;
2289                 if (this_->tracking && this_->tracking_flag) {
2290                         mdir = tracking_get_angle(this_->tracking) - this_->orientation;
2291                 } else {
2292                         mdir=nv->dir-this_->orientation;
2293                 }
2294
2295                 p->x=(50 - offset*sin(M_PI*mdir/180.))*width/100;
2296                 p->y=(50 + offset*cos(M_PI*mdir/180.))*height/100;
2297                 if (dir)
2298                         *dir=this_->orientation;
2299         }
2300         return 1;
2301 }
2302
2303 void
2304 navit_set_center_cursor(struct navit *this_, int autozoom, int keep_orientation)
2305 {
2306         int dir;
2307         struct point pn;
2308         struct navit_vehicle *nv=this_->vehicle;
2309         navit_get_cursor_pnt(this_, &pn, keep_orientation, &dir);
2310         transform_set_yaw(this_->trans, dir);
2311         navit_set_center_coord_screen(this_, &nv->coord, &pn, 0);
2312         if (autozoom)
2313                 navit_autozoom(this_, &nv->coord, nv->speed, 0);
2314 }
2315
2316 static void
2317 navit_set_center_cursor_draw(struct navit *this_)
2318 {
2319         navit_set_center_cursor(this_,1,0);
2320         if (this_->ready == 3)
2321                 navit_draw_async(this_, 1);
2322 }
2323
2324 static void
2325 navit_cmd_set_center_cursor(struct navit *this_)
2326 {
2327         navit_set_center_cursor_draw(this_);
2328 }
2329
2330 void
2331 navit_set_center_screen(struct navit *this_, struct point *p, int set_timeout)
2332 {
2333         struct coord c;
2334         struct pcoord pc;
2335         transform_reverse(this_->trans, p, &c);
2336         pc.x = c.x;
2337         pc.y = c.y;
2338         pc.pro = transform_get_projection(this_->trans);
2339         navit_set_center(this_, &pc, set_timeout);
2340 }
2341
2342 static int
2343 navit_set_attr_do(struct navit *this_, struct attr *attr, int init)
2344 {
2345         int dir=0, orient_old=0, attr_updated=0;
2346         struct coord co;
2347         long zoom;
2348         GList *l;
2349         struct navit_vehicle *nv;
2350         struct layout *lay;
2351         struct attr active;
2352         active.type=attr_active;
2353         active.u.num=0;
2354
2355         switch (attr->type) {
2356         case attr_autozoom:
2357                 attr_updated=(this_->autozoom_secs != attr->u.num);
2358                 this_->autozoom_secs = attr->u.num;
2359                 break;
2360         case attr_autozoom_active:
2361                 attr_updated=(this_->autozoom_active != attr->u.num);
2362                 this_->autozoom_active = attr->u.num;
2363                 break;
2364         case attr_center:
2365                 transform_from_geo(transform_get_projection(this_->trans), attr->u.coord_geo, &co);
2366                 dbg(1,"0x%x,0x%x\n",co.x,co.y);
2367                 transform_set_center(this_->trans, &co);
2368                 break;
2369         case attr_drag_bitmap:
2370                 attr_updated=(this_->drag_bitmap != !!attr->u.num);
2371                 this_->drag_bitmap=!!attr->u.num;
2372                 break;
2373         case attr_flags:
2374                 attr_updated=(this_->flags != attr->u.num);
2375                 this_->flags=attr->u.num;
2376                 break;
2377         case attr_flags_graphics:
2378                 attr_updated=(this_->graphics_flags != attr->u.num);
2379                 this_->graphics_flags=attr->u.num;
2380                 break;
2381         case attr_follow:
2382                 if (!this_->vehicle)
2383                         return 0;
2384                 attr_updated=(this_->vehicle->follow_curr != attr->u.num);
2385                 this_->vehicle->follow_curr = attr->u.num;
2386                 break;
2387         case attr_layout:
2388                 if(this_->layout_current!=attr->u.layout) {
2389                         this_->layout_current=attr->u.layout;
2390                         graphics_font_destroy_all(this_->gra);
2391                         navit_set_cursors(this_);
2392                         if (this_->ready == 3)
2393                                 navit_draw(this_);
2394                         attr_updated=1;
2395                 }
2396                 break;
2397         case attr_layout_name:
2398                 l=this_->layouts;
2399                 while (l) {
2400                         lay=l->data;
2401                         if (!strcmp(lay->name,attr->u.str)) {
2402                                 struct attr attr;
2403                                 attr.type=attr_layout;
2404                                 attr.u.layout=lay;
2405                                 return navit_set_attr_do(this_, &attr, init);
2406                         }
2407                         l=g_list_next(l);
2408                 }
2409                 return 0;
2410         case attr_map_border:
2411                 if (this_->border != attr->u.num) {
2412                         this_->border=attr->u.num;
2413                         attr_updated=1;
2414                 }
2415                 break;
2416         case attr_orientation:
2417                 orient_old=this_->orientation;
2418                 this_->orientation=attr->u.num;
2419                 if (!init) {
2420                         if (this_->orientation != -1) {
2421                                 dir = this_->orientation;
2422                         } else {
2423                                 if (this_->vehicle) {
2424                                         dir = this_->vehicle->dir;
2425                                 }
2426                         }
2427                         transform_set_yaw(this_->trans, dir);
2428                         if (orient_old != this_->orientation) {
2429 #if 0
2430                                 if (this_->ready == 3)
2431                                         navit_draw(this_);
2432 #endif
2433                                 attr_updated=1;
2434                         }
2435                 }
2436                 break;
2437         case attr_osd_configuration:
2438                 dbg(0,"setting osd_configuration to %d (was %d)\n", attr->u.num, this_->osd_configuration);
2439                 attr_updated=(this_->osd_configuration != attr->u.num);
2440                 this_->osd_configuration=attr->u.num;
2441                 break;
2442         case attr_pitch:
2443                 attr_updated=(this_->pitch != attr->u.num);
2444                 this_->pitch=attr->u.num;
2445                 transform_set_pitch(this_->trans, this_->pitch);
2446                 if (!init && attr_updated && this_->ready == 3)
2447                         navit_draw(this_);
2448                 break;
2449         case attr_projection:
2450                 if(this_->trans && transform_get_projection(this_->trans) != attr->u.projection) {
2451                         navit_projection_set(this_, attr->u.projection, !init);
2452                         attr_updated=1;
2453                 }
2454                 break;
2455         case attr_radius:
2456                 attr_updated=(this_->radius != attr->u.num);
2457                 this_->radius=attr->u.num;
2458                 break;
2459         case attr_recent_dest:
2460                 attr_updated=(this_->recentdest_count != attr->u.num);
2461                 this_->recentdest_count=attr->u.num;
2462                 break;
2463         case attr_speech:
2464                 if(this_->speech && this_->speech != attr->u.speech) {
2465                         attr_updated=1;
2466                         this_->speech = attr->u.speech;
2467                 }
2468                 break;
2469         case attr_timeout:
2470                 attr_updated=(this_->center_timeout != attr->u.num);
2471                 this_->center_timeout = attr->u.num;
2472                 break;
2473         case attr_tracking:
2474                 attr_updated=(this_->tracking_flag != !!attr->u.num);
2475                 this_->tracking_flag=!!attr->u.num;
2476                 break;
2477         case attr_transformation:
2478                 this_->trans=attr->u.transformation;
2479                 break;
2480         case attr_use_mousewheel:
2481                 attr_updated=(this_->use_mousewheel != !!attr->u.num);
2482                 this_->use_mousewheel=!!attr->u.num;
2483                 break;
2484         case attr_vehicle:
2485                 if (!attr->u.vehicle) {
2486                         if (this_->vehicle) {
2487                                 vehicle_set_attr(this_->vehicle->vehicle, &active);
2488                                 navit_set_vehicle(this_, NULL);
2489                                 attr_updated=1;
2490                         }
2491                         break;
2492                 }
2493                 l=this_->vehicles;
2494                 while(l) {
2495                         nv=l->data;
2496                         if (nv->vehicle == attr->u.vehicle) {
2497                                 if (!this_->vehicle || this_->vehicle->vehicle != attr->u.vehicle) {
2498                                         if (this_->vehicle)
2499                                                 vehicle_set_attr(this_->vehicle->vehicle, &active);
2500                                         active.u.num=1;
2501                                         vehicle_set_attr(nv->vehicle, &active);
2502                                         attr_updated=1;
2503                                 }
2504                                 navit_set_vehicle(this_, nv);
2505                         }
2506                         l=g_list_next(l);
2507                 }
2508                 break;
2509         case attr_zoom:
2510                 zoom=transform_get_scale(this_->trans);
2511                 attr_updated=(zoom != attr->u.num);
2512                 transform_set_scale(this_->trans, attr->u.num);
2513                 if (attr_updated && !init)
2514                         navit_draw(this_);
2515                 break;
2516         case attr_zoom_min:
2517                 attr_updated=(attr->u.num != this_->zoom_min);
2518                 this_->zoom_min=attr->u.num;
2519                 break;
2520         case attr_zoom_max:
2521                 attr_updated=(attr->u.num != this_->zoom_max);
2522                 this_->zoom_max=attr->u.num;
2523                 break;
2524         case attr_message:
2525                 navit_add_message(this_, attr->u.str);
2526                 break;
2527         case attr_follow_cursor:
2528                 attr_updated=(this_->follow_cursor != !!attr->u.num);
2529                 this_->follow_cursor=!!attr->u.num;
2530                 break;
2531         case attr_imperial:
2532                 attr_updated=(this_->imperial != attr->u.num);
2533                 this_->imperial=attr->u.num;
2534                 break;
2535         case attr_waypoints_flag:
2536                 attr_updated=(this_->waypoints_flag != !!attr->u.num);
2537                 this_->waypoints_flag=!!attr->u.num;
2538                 break;
2539         default:
2540                 return 0;
2541         }
2542         if (attr_updated && !init) {
2543                 callback_list_call_attr_2(this_->attr_cbl, attr->type, this_, attr);
2544                 if (attr->type == attr_osd_configuration)
2545                         graphics_draw_mode(this_->gra, draw_mode_end);
2546         }
2547         return 1;
2548 }
2549
2550 int
2551 navit_set_attr(struct navit *this_, struct attr *attr)
2552 {
2553         return navit_set_attr_do(this_, attr, 0);
2554 }
2555
2556 int
2557 navit_get_attr(struct navit *this_, enum attr_type type, struct attr *attr, struct attr_iter *iter)
2558 {
2559         struct message *msg;
2560         struct coord *c;
2561         int len,offset;
2562         int ret=1;
2563
2564         switch (type) {
2565         case attr_message:
2566                 msg = navit_get_messages(this_);
2567
2568                 if (!msg) {
2569                         return 0;
2570                 }
2571
2572                 len = 0;
2573                 while (msg) {
2574                         len += strlen(msg->text) + 1;
2575                         msg = msg->next;
2576                 }
2577                 attr->u.str = g_malloc(len + 1);
2578
2579                 msg = navit_get_messages(this_);
2580                 offset = 0;
2581                 while (msg) {
2582                         g_stpcpy((attr->u.str + offset), msg->text);
2583                         offset += strlen(msg->text);
2584                         attr->u.str[offset] = '\n';
2585                         offset++;
2586
2587                         msg = msg->next;
2588                 }
2589
2590                 attr->u.str[len] = '\0';
2591                 break;
2592         case attr_imperial:
2593                 attr->u.num=this_->imperial;
2594                 break;
2595         case attr_bookmark_map:
2596                 attr->u.map=bookmarks_get_map(this_->bookmarks);
2597                 break;
2598         case attr_bookmarks:
2599                 attr->u.bookmarks=this_->bookmarks;
2600                 break;
2601         case attr_callback_list:
2602                 attr->u.callback_list=this_->attr_cbl;
2603                 break;
2604         case attr_center:
2605                 c=transform_get_center(this_->trans);
2606                 transform_to_geo(transform_get_projection(this_->trans), c, &this_->center);
2607                 attr->u.coord_geo=&this_->center;
2608                 break;
2609         case attr_destination:
2610                 if (! this_->destination_valid)
2611                         return 0;
2612                 attr->u.pcoord=&this_->destination;
2613                 break;
2614         case attr_displaylist:
2615                 attr->u.displaylist=this_->displaylist;
2616                 return (attr->u.displaylist != NULL);
2617         case attr_follow:
2618                 if (!this_->vehicle)
2619                         return 0;
2620                 attr->u.num=this_->vehicle->follow_curr;
2621                 break;
2622         case attr_former_destination_map:
2623                 attr->u.map=this_->former_destination;
2624                 break;
2625         case attr_graphics:
2626                 attr->u.graphics=this_->gra;
2627                 ret=(attr->u.graphics != NULL);
2628                 break;
2629         case attr_gui:
2630                 attr->u.gui=this_->gui;
2631                 ret=(attr->u.gui != NULL);
2632                 break;
2633         case attr_layout:
2634                 if (iter) {
2635                         if (iter->u.list) {
2636                                 iter->u.list=g_list_next(iter->u.list);
2637                         } else {
2638                                 iter->u.list=this_->layouts;
2639                         }
2640                         if (!iter->u.list)
2641                                 return 0;
2642                         attr->u.layout=(struct layout *)iter->u.list->data;
2643                 } else {
2644                         attr->u.layout=this_->layout_current;
2645                 }
2646                 break;
2647         case attr_map:
2648                 if (iter && this_->mapsets) {
2649                         if (!iter->u.mapset_handle) {
2650                                 iter->u.mapset_handle=mapset_open((struct mapset *)this_->mapsets->data);
2651                         }
2652                         attr->u.map=mapset_next(iter->u.mapset_handle, 0);
2653                         if(!attr->u.map) {
2654                                 mapset_close(iter->u.mapset_handle);
2655                                 return 0;
2656                         }
2657                 } else {
2658                         return 0;
2659                 }
2660                 break;
2661         case attr_mapset:
2662                 attr->u.mapset=this_->mapsets->data;
2663                 ret=(attr->u.mapset != NULL);
2664                 break;
2665         case attr_navigation:
2666                 attr->u.navigation=this_->navigation;
2667                 break;
2668         case attr_orientation:
2669                 attr->u.num=this_->orientation;
2670                 break;
2671         case attr_osd:
2672                 ret=attr_generic_get_attr(this_->attr_list, NULL, type, attr, iter?(struct attr_iter *)&iter->iter:NULL);
2673                 break;
2674         case attr_osd_configuration:
2675                 attr->u.num=this_->osd_configuration;
2676                 break;
2677         case attr_pitch:
2678                 attr->u.num=transform_get_pitch(this_->trans);
2679                 break;
2680         case attr_projection:
2681                 if(this_->trans) {
2682                         attr->u.num=transform_get_projection(this_->trans);
2683                 } else {
2684                         return 0;
2685                 }
2686                 break;
2687         case attr_route:
2688                 attr->u.route=this_->route;
2689                 break;
2690         case attr_speech:
2691                 attr->u.speech=this_->speech;
2692                 break;
2693         case attr_tracking:
2694                 attr->u.num=this_->tracking_flag;
2695                 break;
2696         case attr_trackingo:
2697                 attr->u.tracking=this_->tracking;
2698                 break;
2699         case attr_transformation:
2700                 attr->u.transformation=this_->trans;
2701                 break;
2702         case attr_vehicle:
2703                 if(iter) {
2704                         if(iter->u.list) {
2705                                 iter->u.list=g_list_next(iter->u.list);
2706                         } else {
2707                                 iter->u.list=this_->vehicles;
2708                         }
2709                         if(!iter->u.list)
2710                                 return 0;
2711                         attr->u.vehicle=((struct navit_vehicle*)iter->u.list->data)->vehicle;
2712                 } else {
2713                         if(this_->vehicle) {
2714                                 attr->u.vehicle=this_->vehicle->vehicle;
2715                         } else {
2716                                 return 0;
2717                         }
2718                 }
2719                 break;
2720         case attr_vehicleprofile:
2721                 attr->u.vehicleprofile=this_->vehicleprofile;
2722                 break;
2723         case attr_zoom:
2724                 attr->u.num=transform_get_scale(this_->trans);
2725                 break;
2726         case attr_autozoom_active:
2727                 attr->u.num=this_->autozoom_active;
2728                 break;
2729         case attr_follow_cursor:
2730                 attr->u.num=this_->follow_cursor;
2731                 break;
2732         case attr_waypoints_flag:
2733                 attr->u.num=this_->waypoints_flag;
2734                 break;
2735         default:
2736                 return 0;
2737         }
2738         attr->type=type;
2739         return ret;
2740 }
2741
2742 static int
2743 navit_add_log(struct navit *this_, struct log *log)
2744 {
2745         struct attr type_attr;
2746         if (!log_get_attr(log, attr_type, &type_attr, NULL))
2747                 return 0;
2748         if (!strcmp(type_attr.u.str, "textfile_debug")) {
2749                 char *header = "type=track_tracked\n";
2750                 if (this_->textfile_debug_log)
2751                         return 0;
2752                 log_set_header(log, header, strlen(header));
2753                 this_->textfile_debug_log=log;
2754                 return 1;
2755         }
2756         return 0;
2757 }
2758
2759 static int
2760 navit_add_layout(struct navit *this_, struct layout *layout)
2761 {
2762         struct attr active;
2763         this_->layouts = g_list_append(this_->layouts, layout);
2764         layout_get_attr(layout, attr_active, &active, NULL);
2765         if(active.u.num || !this_->layout_current) {
2766                 this_->layout_current=layout;
2767                 return 1;
2768         }
2769         return 0;
2770 }
2771
2772 int
2773 navit_add_attr(struct navit *this_, struct attr *attr)
2774 {
2775         int ret=1;
2776         switch (attr->type) {
2777         case attr_callback:
2778                 navit_add_callback(this_, attr->u.callback);
2779                 break;
2780         case attr_log:
2781                 ret=navit_add_log(this_, attr->u.log);
2782                 break;
2783         case attr_gui:
2784                 ret=navit_set_gui(this_, attr->u.gui);
2785                 break;
2786         case attr_graphics:
2787                 ret=navit_set_graphics(this_, attr->u.graphics);
2788                 break;
2789         case attr_layout:
2790                 ret=navit_add_layout(this_, attr->u.layout);
2791                 break;
2792         case attr_route:
2793                 this_->route=attr->u.route;
2794                 break;
2795         case attr_mapset:
2796                 this_->mapsets = g_list_append(this_->mapsets, attr->u.mapset);
2797                 break;
2798         case attr_navigation:
2799                 this_->navigation=attr->u.navigation;
2800                 break;
2801         case attr_osd:
2802                 this_->attr_list=attr_generic_add_attr(this_->attr_list, attr);
2803                 break;
2804         case attr_recent_dest:
2805                 this_->recentdest_count = attr->u.num;
2806                 break;
2807         case attr_speech:
2808                 this_->speech=attr->u.speech;
2809                 break;
2810         case attr_trackingo:
2811                 this_->tracking=attr->u.tracking;
2812                 break;
2813         case attr_vehicle:
2814                 ret=navit_add_vehicle(this_, attr->u.vehicle);
2815                 break;
2816         case attr_vehicleprofile:
2817                 this_->vehicleprofiles=g_list_append(this_->vehicleprofiles, attr->u.vehicleprofile);
2818                 break;
2819         case attr_autozoom_min:
2820                 this_->autozoom_min = attr->u.num;
2821                 break;
2822         default:
2823                 return 0;
2824         }
2825         if (ret)
2826                 this_->attrs=attr_generic_add_attr(this_->attrs, attr);
2827         callback_list_call_attr_2(this_->attr_cbl, attr->type, this_, attr);
2828         return ret;
2829 }
2830
2831 int
2832 navit_remove_attr(struct navit *this_, struct attr *attr)
2833 {
2834         int ret=1;
2835         switch (attr->type) {
2836         case attr_callback:
2837                 navit_remove_callback(this_, attr->u.callback);
2838                 break;
2839         case attr_vehicle:
2840                 this_->attrs=attr_generic_remove_attr(this_->attrs, attr);
2841                 return 1;
2842         default:
2843                 return 0;
2844         }
2845         return ret;
2846 }
2847
2848 struct attr_iter *
2849 navit_attr_iter_new(void)
2850 {
2851         return g_new0(struct attr_iter, 1);
2852 }
2853
2854 void
2855 navit_attr_iter_destroy(struct attr_iter *iter)
2856 {
2857         g_free(iter);
2858 }
2859
2860 void
2861 navit_add_callback(struct navit *this_, struct callback *cb)
2862 {
2863         callback_list_add(this_->attr_cbl, cb);
2864 }
2865
2866 void
2867 navit_remove_callback(struct navit *this_, struct callback *cb)
2868 {
2869         callback_list_remove(this_->attr_cbl, cb);
2870 }
2871
2872 /**
2873  * Toggle the cursor update : refresh the map each time the cursor has moved (instead of only when it reaches a border)
2874  *
2875  * @param navit The navit instance
2876  * @returns nothing
2877  */
2878
2879 static void
2880 navit_vehicle_draw(struct navit *this_, struct navit_vehicle *nv, struct point *pnt)
2881 {
2882         struct point cursor_pnt;
2883         enum projection pro;
2884
2885         if (this_->blocked)
2886                 return;
2887         if (pnt)
2888                 cursor_pnt=*pnt;
2889         else {
2890                 pro=transform_get_projection(this_->trans_cursor);
2891                 if (!pro)
2892                         return;
2893                 transform(this_->trans_cursor, pro, &nv->coord, &cursor_pnt, 1, 0, 0, NULL);
2894         }
2895         vehicle_draw(nv->vehicle, this_->gra, &cursor_pnt, pnt ? 0:1, nv->dir-transform_get_yaw(this_->trans_cursor), nv->speed);
2896 #if 0
2897         if (pnt)
2898                 pnt2=*pnt;
2899         else {
2900                 pro=transform_get_projection(this_->trans);
2901                 transform(this_->trans, pro, &nv->coord, &pnt2, 1);
2902         }
2903 #if 1
2904         cursor_draw(nv->cursor, &pnt2, nv->dir-transform_get_angle(this_->trans, 0), nv->speed > 2, pnt == NULL);
2905 #else
2906         cursor_draw(nv->cursor, &pnt2, nv->dir-transform_get_angle(this_->trans, 0), nv->speed > 2, 1);
2907 #endif
2908 #endif
2909 }
2910
2911 static void
2912 navit_vehicle_update(struct navit *this_, struct navit_vehicle *nv)
2913 {
2914         struct attr attr_valid, attr_dir, attr_speed, attr_pos;
2915         struct pcoord cursor_pc;
2916         struct point cursor_pnt, *pnt=&cursor_pnt;
2917         struct tracking *tracking=NULL;
2918         struct pcoord pc[16];
2919         enum projection pro=transform_get_projection(this_->trans_cursor);
2920         int count;
2921         int (*get_attr)(void *, enum attr_type, struct attr *, struct attr_iter *);
2922         void *attr_object;
2923         char *destination_file;
2924         char *description;
2925
2926         profile(0,NULL);
2927         if (this_->ready == 3)
2928                 navit_layout_switch(this_);
2929         if (this_->vehicle == nv && this_->tracking_flag)
2930                 tracking=this_->tracking;
2931         if (tracking) {
2932                 tracking_update(tracking, nv->vehicle, this_->vehicleprofile, pro);
2933                 attr_object=tracking;
2934                 get_attr=(int (*)(void *, enum attr_type, struct attr *, struct attr_iter *))tracking_get_attr;
2935         } else {
2936                 attr_object=nv->vehicle;
2937                 get_attr=(int (*)(void *, enum attr_type, struct attr *, struct attr_iter *))vehicle_get_attr;
2938         }
2939         if (get_attr(attr_object, attr_position_valid, &attr_valid, NULL))
2940                 if (!attr_valid.u.num != attr_position_valid_invalid)
2941                         return;
2942         if (! get_attr(attr_object, attr_position_direction, &attr_dir, NULL) ||
2943             ! get_attr(attr_object, attr_position_speed, &attr_speed, NULL) ||
2944             ! get_attr(attr_object, attr_position_coord_geo, &attr_pos, NULL)) {
2945                 profile(0,"return 2\n");
2946                 return;
2947         }
2948         nv->dir=*attr_dir.u.numd;
2949         nv->speed=*attr_speed.u.numd;
2950         transform_from_geo(pro, attr_pos.u.coord_geo, &nv->coord);
2951         if (nv != this_->vehicle) {
2952                 if (this_->ready == 3)
2953                         navit_vehicle_draw(this_, nv, NULL);
2954                 profile(0,"return 3\n");
2955                 return;
2956         }
2957         cursor_pc.x = nv->coord.x;
2958         cursor_pc.y = nv->coord.y;
2959         cursor_pc.pro = pro;
2960         if (this_->route) {
2961                 if (tracking)
2962                         route_set_position_from_tracking(this_->route, tracking, pro);
2963                 else
2964                         route_set_position(this_->route, &cursor_pc);
2965         }
2966         callback_list_call_attr_0(this_->attr_cbl, attr_position);
2967         navit_textfile_debug_log(this_, "type=trackpoint_tracked");
2968         if (this_->ready == 3) {
2969                 if (this_->gui && nv->speed > 2)
2970                         navit_disable_suspend();
2971
2972                 transform(this_->trans_cursor, pro, &nv->coord, &cursor_pnt, 1, 0, 0, NULL);
2973                 if (this_->button_pressed != 1 && this_->follow_cursor && nv->follow_curr <= nv->follow &&
2974                         (nv->follow_curr == 1 || !transform_within_border(this_->trans_cursor, &cursor_pnt, this_->border)))
2975                         navit_set_center_cursor_draw(this_);
2976                 else
2977                         navit_vehicle_draw(this_, nv, pnt);
2978
2979                 if (nv->follow_curr > 1)
2980                         nv->follow_curr--;
2981                 else
2982                         nv->follow_curr=nv->follow;
2983         }
2984         callback_list_call_attr_2(this_->attr_cbl, attr_position_coord_geo, this_, nv->vehicle);
2985
2986         /* Finally, if we reached our destination, stop navigation. */
2987         if (this_->route) {
2988                 switch(route_destination_reached(this_->route)) {
2989                 case 1:
2990                         description=route_get_destination_description(this_->route, 0);
2991                         route_remove_waypoint(this_->route);
2992                         count=route_get_destinations(this_->route, pc, 16);
2993                         destination_file = bookmarks_get_destination_file(TRUE);
2994                         bookmarks_append_coord(this_->former_destination, destination_file, pc, type_former_itinerary_part, description, this_->recentdest_count);
2995                         g_free(description);
2996                         break;
2997                 case 2:
2998                         description=route_get_destination_description(this_->route, 0);
2999                         count=route_get_destinations(this_->route, pc, 1);
3000                         destination_file = bookmarks_get_destination_file(TRUE);
3001                         bookmarks_append_coord(this_->former_destination, destination_file, pc, type_former_itinerary_part, description, this_->recentdest_count);
3002                         g_free(description);
3003                         navit_set_destination(this_, NULL, NULL, 0);
3004                         break;
3005                 }
3006         }
3007         profile(0,"return 5\n");
3008 }
3009
3010 /**
3011  * Set the position of the vehicle
3012  *
3013  * @param navit The navit instance
3014  * @param c The coordinate to set as position
3015  * @returns nothing
3016  */
3017
3018 void
3019 navit_set_position(struct navit *this_, struct pcoord *c)
3020 {
3021         if (this_->route) {
3022                 route_set_position(this_->route, c);
3023                 callback_list_call_attr_0(this_->attr_cbl, attr_position);
3024         }
3025         if (this_->ready == 3)
3026                 navit_draw(this_);
3027 }
3028
3029 static int
3030 navit_set_vehicleprofile(struct navit *this_, char *name)
3031 {
3032         struct attr attr;
3033         GList *l;
3034         l=this_->vehicleprofiles;
3035         while (l) {
3036                 if (vehicleprofile_get_attr(l->data, attr_name, &attr, NULL)) {
3037                         if (!strcmp(attr.u.str, name)) {
3038                                 this_->vehicleprofile=l->data;
3039                                 if (this_->route)
3040                                         route_set_profile(this_->route, this_->vehicleprofile);
3041                                 return 1;
3042                         }
3043                 }
3044                 l=g_list_next(l);
3045         }
3046         return 0;
3047 }
3048
3049 static void
3050 navit_set_vehicle(struct navit *this_, struct navit_vehicle *nv)
3051 {
3052         struct attr attr;
3053         this_->vehicle=nv;
3054         if (!nv)
3055                 return;
3056         if (vehicle_get_attr(nv->vehicle, attr_profilename, &attr, NULL)) {
3057                 if (navit_set_vehicleprofile(this_, attr.u.str))
3058                         return;
3059         }
3060         if (!navit_set_vehicleprofile(this_,"car")) {
3061                 /* We do not have a fallback "car" profile
3062                 * so lets set any profile */
3063                 GList *l;
3064                 l=this_->vehicleprofiles;
3065                 if (l) {
3066                     this_->vehicleprofile=l->data;
3067                     if (this_->route)
3068                         route_set_profile(this_->route, this_->vehicleprofile);
3069                 }
3070         }
3071 }
3072
3073 /**
3074  * Register a new vehicle
3075  *
3076  * @param navit The navit instance
3077  * @param v The vehicle instance
3078  * @returns 1 for success
3079  */
3080 static int
3081 navit_add_vehicle(struct navit *this_, struct vehicle *v)
3082 {
3083         struct navit_vehicle *nv=g_new0(struct navit_vehicle, 1);
3084         struct attr follow, active, animate;
3085         nv->vehicle=v;
3086         nv->follow=0;
3087         nv->last.x = 0;
3088         nv->last.y = 0;
3089         nv->animate_cursor=0;
3090         if ((vehicle_get_attr(v, attr_follow, &follow, NULL)))
3091                 nv->follow=follow.u.num;
3092         nv->follow_curr=nv->follow;
3093         this_->vehicles=g_list_append(this_->vehicles, nv);
3094         if ((vehicle_get_attr(v, attr_active, &active, NULL)) && active.u.num)
3095                 navit_set_vehicle(this_, nv);
3096         if ((vehicle_get_attr(v, attr_animate, &animate, NULL)))
3097                 nv->animate_cursor=animate.u.num;
3098         nv->callback.type=attr_callback;
3099         nv->callback.u.callback=callback_new_attr_2(callback_cast(navit_vehicle_update), attr_position_coord_geo, this_, nv);
3100         vehicle_add_attr(nv->vehicle, &nv->callback);
3101         vehicle_set_attr(nv->vehicle, &this_->self);
3102         return 1;
3103 }
3104
3105
3106
3107
3108 struct gui *
3109 navit_get_gui(struct navit *this_)
3110 {
3111         return this_->gui;
3112 }
3113
3114 struct transformation *
3115 navit_get_trans(struct navit *this_)
3116 {
3117         return this_->trans;
3118 }
3119
3120 struct route *
3121 navit_get_route(struct navit *this_)
3122 {
3123         return this_->route;
3124 }
3125
3126 struct navigation *
3127 navit_get_navigation(struct navit *this_)
3128 {
3129         return this_->navigation;
3130 }
3131
3132 struct displaylist *
3133 navit_get_displaylist(struct navit *this_)
3134 {
3135         return this_->displaylist;
3136 }
3137
3138 void
3139 navit_layout_switch(struct navit *n)
3140 {
3141
3142     int currTs=0;
3143     struct attr iso8601_attr,geo_attr,valid_attr,layout_attr;
3144     double trise,tset,trise_actual;
3145     struct layout *l;
3146     int year, month, day;
3147
3148     if (navit_get_attr(n,attr_layout,&layout_attr,NULL)!=1) {
3149         return; //No layout - nothing to switch
3150     }
3151     if (!n->vehicle)
3152         return;
3153     l=layout_attr.u.layout;
3154
3155     if (l->dayname || l->nightname) {
3156         //Ok, we know that we have profile to switch
3157
3158         //Check that we aren't calculating too fast
3159         if (vehicle_get_attr(n->vehicle->vehicle, attr_position_time_iso8601,&iso8601_attr,NULL)==1) {
3160                 currTs=iso8601_to_secs(iso8601_attr.u.str);
3161                 dbg(1,"currTs: %u:%u\n",currTs%86400/3600,((currTs%86400)%3600)/60);
3162         }
3163         if (currTs-(n->prevTs)<60) {
3164             //We've have to wait a little
3165             return;
3166         }
3167         if (sscanf(iso8601_attr.u.str,"%d-%02d-%02dT",&year,&month,&day) != 3)
3168                 return;
3169         if (vehicle_get_attr(n->vehicle->vehicle, attr_position_valid, &valid_attr,NULL) && valid_attr.u.num==attr_position_valid_invalid) {
3170                 return; //No valid fix yet
3171         }
3172         if (vehicle_get_attr(n->vehicle->vehicle, attr_position_coord_geo,&geo_attr,NULL)!=1) {
3173                 //No position - no sun
3174                 return;
3175         }
3176
3177         //We calculate sunrise anyway, cause it is needed both for day and for night
3178         if (__sunriset__(year,month,day,geo_attr.u.coord_geo->lng,geo_attr.u.coord_geo->lat,-5,1,&trise,&tset)!=0) {
3179                 //near the pole sun never rises/sets, so we should never switch profiles
3180                 dbg(1,"trise: %u:%u, sun never visible, never switch profile\n",HOURS(trise),MINUTES(trise));
3181                 n->prevTs=currTs;
3182                 return;
3183             }
3184
3185         trise_actual=trise;
3186         dbg(1,"trise: %u:%u\n",HOURS(trise),MINUTES(trise));
3187         if (l->dayname) {
3188
3189             if ((HOURS(trise)*60+MINUTES(trise)==(currTs%86400)/60) ||
3190                     (n->prevTs==0 && ((HOURS(trise)*60+MINUTES(trise)<(currTs%86400)/60)))) {
3191                 //The sun is rising now!
3192                 if (strcmp(l->name,l->dayname)) {
3193                     navit_set_layout_by_name(n,l->dayname);
3194                 }
3195             }
3196         }
3197         if (l->nightname) {
3198             if (__sunriset__(year,month,day,geo_attr.u.coord_geo->lng,geo_attr.u.coord_geo->lat,-5,1,&trise,&tset)!=0) {
3199                 //near the pole sun never rises/sets, so we should never switch profiles
3200                 dbg(1,"tset: %u:%u, sun always visible, never switch profile\n",HOURS(tset),MINUTES(tset));
3201                 n->prevTs=currTs;
3202                 return;
3203             }
3204             dbg(1,"tset: %u:%u\n",HOURS(tset),MINUTES(tset));
3205             if (HOURS(tset)*60+MINUTES(tset)==((currTs%86400)/60)
3206                 || (n->prevTs==0 && (((HOURS(tset)*60+MINUTES(tset)<(currTs%86400)/60)) ||
3207                         ((HOURS(trise_actual)*60+MINUTES(trise_actual)>(currTs%86400)/60))))) {
3208                 //Time to sleep
3209                 if (strcmp(l->name,l->nightname)) {
3210                     navit_set_layout_by_name(n,l->nightname);
3211                 }
3212             }
3213         }
3214
3215         n->prevTs=currTs;
3216     }
3217 }
3218
3219 int
3220 navit_set_vehicle_by_name(struct navit *n,const char *name)
3221 {
3222     struct vehicle *v;
3223     struct attr_iter *iter;
3224     struct attr vehicle_attr, name_attr;
3225
3226         iter=navit_attr_iter_new();
3227
3228     while (navit_get_attr(n,attr_vehicle,&vehicle_attr,iter)) {
3229                 v=vehicle_attr.u.vehicle;
3230                 vehicle_get_attr(v,attr_name,&name_attr,NULL);
3231                 if (name_attr.type==attr_name) {
3232                         if (!strcmp(name,name_attr.u.str)) {
3233                                 navit_set_attr(n,&vehicle_attr);
3234                                 navit_attr_iter_destroy(iter);
3235                                 return 1;
3236                         }
3237                 }
3238         }
3239     navit_attr_iter_destroy(iter);
3240     return 0;
3241 }
3242
3243 int
3244 navit_set_layout_by_name(struct navit *n,const char *name)
3245 {
3246     struct layout *l;
3247     struct attr_iter iter;
3248     struct attr layout_attr;
3249
3250     iter.u.list=0x00;
3251
3252     if (navit_get_attr(n,attr_layout,&layout_attr,&iter)!=1) {
3253         return 0; //No layouts - nothing to do
3254     }
3255     if (iter.u.list==NULL) {
3256         return 0;
3257     }
3258
3259     iter.u.list=g_list_first(iter.u.list);
3260
3261     while(iter.u.list) {
3262         l=(struct layout*)iter.u.list->data;
3263         if (!strcmp(name,l->name)) {
3264             layout_attr.u.layout=l;
3265             layout_attr.type=attr_layout;
3266             navit_set_attr(n,&layout_attr);
3267             iter.u.list=g_list_first(iter.u.list);
3268             return 1;
3269         }
3270         iter.u.list=g_list_next(iter.u.list);
3271     }
3272
3273     iter.u.list=g_list_first(iter.u.list);
3274     return 0;
3275 }
3276
3277 void
3278 navit_disable_suspend() {
3279         gui_disable_suspend(global_navit->gui);
3280         callback_list_call_attr_0(global_navit->attr_cbl,attr_unsuspend);
3281 }
3282
3283 int
3284 navit_block(struct navit *this_, int block)
3285 {
3286         if (block > 0) {
3287                 this_->blocked |= 1;
3288                 if (graphics_draw_cancel(this_->gra, this_->displaylist))
3289                         this_->blocked |= 2;
3290                 return 0;
3291         }
3292         if ((this_->blocked & 2) || block < 0) {
3293                 this_->blocked=0;
3294                 navit_draw(this_);
3295                 return 1;
3296         }
3297         this_->blocked=0;
3298         return 0;
3299 }
3300
3301 void
3302 navit_destroy(struct navit *this_)
3303 {
3304         dbg(0,"enter %p\n",this_);
3305         graphics_draw_cancel(this_->gra, this_->displaylist);
3306         callback_list_call_attr_1(this_->attr_cbl, attr_destroy, this_);
3307         attr_list_free(this_->attrs);
3308         if (this_->bookmarks) {
3309                 char *center_file = bookmarks_get_center_file(TRUE);
3310                 bookmarks_write_center_to_file(this_->bookmarks, center_file);
3311                 g_free(center_file);
3312                 bookmarks_destroy(this_->bookmarks);
3313         }
3314
3315         callback_destroy(this_->nav_speech_cb);
3316         callback_destroy(this_->roadbook_callback);
3317         callback_destroy(this_->popup_callback);
3318         callback_destroy(this_->motion_timeout_callback);
3319         callback_destroy(this_->progress_cb);
3320
3321         if(this_->gra) {
3322           graphics_remove_callback(this_->gra, this_->resize_callback);
3323           graphics_remove_callback(this_->gra, this_->button_callback);
3324           graphics_remove_callback(this_->gra, this_->motion_callback);
3325           graphics_remove_callback(this_->gra, this_->predraw_callback);
3326         }
3327
3328         callback_destroy(this_->resize_callback);
3329         callback_destroy(this_->motion_callback);
3330         callback_destroy(this_->predraw_callback);
3331
3332         callback_destroy(this_->route_cb);
3333         if (this_->route)
3334                 route_destroy(this_->route);
3335
3336         map_destroy(this_->former_destination);
3337
3338         graphics_displaylist_destroy(this_->displaylist);
3339
3340         graphics_free(this_->gra);
3341
3342         g_free(this_);
3343 }
3344
3345 struct navit *
3346 navit_ref(struct navit *this_)
3347 {
3348         this_->refcount++;
3349         dbg(1,"refcount %d\n",this_->refcount);
3350         return this_;
3351 }
3352
3353 void
3354 navit_unref(struct navit *this_)
3355 {
3356         this_->refcount--;
3357         dbg(1,"refcount %d\n",this_->refcount);
3358         if (this_->refcount <= 0)
3359                 navit_destroy(this_);
3360 }
3361
3362 struct object_func navit_func = {
3363         attr_navit,
3364         (object_func_new)navit_new,
3365         (object_func_get_attr)navit_get_attr,
3366         (object_func_iter_new)navit_attr_iter_new,
3367         (object_func_iter_destroy)navit_attr_iter_destroy,
3368         (object_func_set_attr)navit_set_attr,
3369         (object_func_add_attr)navit_add_attr,
3370         (object_func_remove_attr)navit_remove_attr,
3371         (object_func_init)navit_init,
3372         (object_func_destroy)navit_destroy,
3373         (object_func_dup)NULL,
3374         (object_func_ref)navit_ref,
3375         (object_func_unref)navit_unref,
3376 };
3377
3378 /** @} */