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