navit/navit/navit.c

   1 /**
   2  * Navit, a modular navigation system.
   3  * Copyright (C) 2005-2009 Navit Team
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License
   7  * version 2 as published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the
  16  * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  17  * Boston, MA  02110-1301, USA.
  18  */
  19
  20 #include <stdio.h>
  21 #include <stdlib.h>
  22 #include <signal.h>
  23 #include <string.h>
  24 #include <unistd.h>
  25 #include <fcntl.h>
  26 #include <glib.h>
  27 #include <math.h>
  28 #include <time.h>
  29 #include "config.h"
  30 #include "debug.h"
  31 #include "navit.h"
  32 #include "callback.h"
  33 #include "gui.h"
  34 #include "item.h"
  35 #include "projection.h"
  36 #include "map.h"
  37 #include "mapset.h"
  38 #include "main.h"
  39 #include "coord.h"
  40 #include "point.h"
  41 #include "transform.h"
  42 #include "param.h"
  43 #include "menu.h"
  44 #include "graphics.h"
  45 #include "popup.h"
  46 #include "data_window.h"
  47 #include "route.h"
  48 #include "navigation.h"
  49 #include "speech.h"
  50 #include "track.h"
  51 #include "vehicle.h"
  52 #include "layout.h"
  53 #include "log.h"
  54 #include "attr.h"
  55 #include "event.h"
  56 #include "file.h"
  57 #include "profile.h"
  58 #include "command.h"
  59 #include "navit_nls.h"
  60 #include "util.h"
  61 #include "messages.h"
  62 #include "vehicleprofile.h"
  63 #include "sunriset.h"
  64 #include "bookmarks.h"
  65
  66 /**
  67  * @defgroup navit the navit core instance. navit is the object containing nearly everything: A set of maps, one or more vehicle, a graphics object for rendering the map, a gui object for displaying the user interface, a route object, a navigation object and so on. Be warned that it is theoretically possible to have more than one navit object
  68  * @{
  69  */
  70
  71 //! The navit_vehicule
  72 struct navit_vehicle {
  73         int follow;
  74         /*! Limit of the follow counter. See navit_add_vehicle */
  75         int follow_curr;
  76         /*! Deprecated : follow counter itself. When it reaches 'update' counts, map is recentered*/
  77         struct coord coord;
  78         int dir;
  79         int speed;
  80         struct coord last; /*< Position of the last update of this vehicle */
  81         struct vehicle *vehicle;
  82         struct attr callback;
  83         int animate_cursor;
  84 };
  85
  86 struct navit {
  87         struct attr self;
  88         GList *mapsets;
  89         GList *layouts;
  90         struct gui *gui;
  91         struct layout *layout_current;
  92         struct graphics *gra;
  93         struct action *action;
  94         struct transformation *trans;
  95         struct compass *compass;
  96         struct route *route;
  97         struct navigation *navigation;
  98         struct speech *speech;
  99         struct tracking *tracking;
 100         int ready;
 101         struct window *win;
 102         struct displaylist *displaylist;
 103         int tracking_flag;
 104         int orientation;
 105         int recentdest_count;
 106         int osd_configuration;
 107         GList *vehicles;
 108         GList *windows_items;
 109         struct navit_vehicle *vehicle;
 110         struct callback_list *attr_cbl;
 111         struct callback *nav_speech_cb, *roadbook_callback, *popup_callback, *route_cb;
 112         struct datawindow *roadbook_window;
 113         struct map *former_destination;
 114         struct point pressed, last, current;
 115         int button_pressed,moved,popped,zoomed;
 116         int center_timeout;
 117         int autozoom_secs;
 118         int autozoom_min;
 119         int autozoom_active;
 120         struct event_timeout *button_timeout, *motion_timeout;
 121         struct callback *motion_timeout_callback;
 122         int ignore_button;
 123         int ignore_graphics_events;
 124         struct log *textfile_debug_log;
 125         struct pcoord destination;
 126         int destination_valid;
 127         int blocked;
 128         int w,h;
 129         int drag_bitmap;
 130         int use_mousewheel;
 131         struct messagelist *messages;
 132         struct callback *resize_callback,*button_callback,*motion_callback;
 133         struct vehicleprofile *vehicleprofile;
 134         GList *vehicleprofiles;
 135         int pitch;
 136         int follow_cursor;
 137         int prevTs;
 138         int graphics_flags;
 139         int zoom_min, zoom_max;
 140         int radius;
 141         struct bookmarks *bookmarks;
 142         int flags;
 143                  /* 1=No graphics ok */
 144                  /* 2=No gui ok */
 145 };
 146
 147 struct gui *main_loop_gui;
 148
 149 struct attr_iter {
 150         union {
 151                 GList *list;
 152                 struct mapset_handle *mapset_handle;
 153         } u;
 154 };
 155
 156 static void navit_vehicle_update(struct navit *this_, struct navit_vehicle *nv);
 157 static void navit_vehicle_draw(struct navit *this_, struct navit_vehicle *nv, struct point *pnt);
 158 static int navit_add_vehicle(struct navit *this_, struct vehicle *v);
 159 static int navit_set_attr_do(struct navit *this_, struct attr *attr, int init);
 160 static int navit_get_cursor_pnt(struct navit *this_, struct point *p, int keep_orientation, int *dir);
 161 static void navit_set_cursors(struct navit *this_);
 162 static void navit_cmd_zoom_to_route(struct navit *this);
 163 static void navit_cmd_set_center_cursor(struct navit *this_);
 164 static void navit_cmd_announcer_toggle(struct navit *this_);
 165 static void navit_set_vehicle(struct navit *this_, struct navit_vehicle *nv);
 166
 167 struct navit *global_navit;
 168
 169 void
 170 navit_add_mapset(struct navit *this_, struct mapset *ms)
 171 {
 172         this_->mapsets = g_list_append(this_->mapsets, ms);
 173 }
 174
 175 struct mapset *
 176 navit_get_mapset(struct navit *this_)
 177 {
 178         if(this_->mapsets){
 179                 return this_->mapsets->data;
 180         } else {
 181                 dbg(0,"No mapsets enabled! Is it on purpose? Navit can't draw a map. Please check your navit.xml\n");
 182         }
 183         return NULL;
 184 }
 185
 186 struct tracking *
 187 navit_get_tracking(struct navit *this_)
 188 {
 189         return this_->tracking;
 190 }
 191
 192 static void
 193 navit_draw_async(struct navit *this_, int async)
 194 {
 195         GList *l;
 196         struct navit_vehicle *nv;
 197
 198         if (this_->blocked) {
 199                 this_->blocked |= 2;
 200                 return;
 201         }
 202         transform_setup_source_rect(this_->trans);
 203         l=this_->vehicles;
 204         while (l) {
 205                 nv=l->data;
 206                 navit_vehicle_draw(this_, nv, NULL);
 207                 l=g_list_next(l);
 208         }
 209         graphics_draw(this_->gra, this_->displaylist, this_->mapsets->data, this_->trans, this_->layout_current, async, NULL, this_->graphics_flags|1);
 210 }
 211
 212 void
 213 navit_draw(struct navit *this_)
 214 {
 215         if (this_->ready == 3)
 216                 navit_draw_async(this_, 0);
 217 }
 218
 219 int
 220 navit_get_ready(struct navit *this_)
 221 {
 222         return this_->ready;
 223 }
 224
 225
 226
 227 void
 228 navit_draw_displaylist(struct navit *this_)
 229 {
 230         if (this_->ready == 3)
 231                 graphics_displaylist_draw(this_->gra, this_->displaylist, this_->trans, this_->layout_current, this_->graphics_flags|1);
 232 }
 233
 234 static void
 235 navit_redraw_route(struct navit *this_, struct route *route, struct attr *attr)
 236 {
 237         int updated;
 238         if (attr->type != attr_route_status)
 239                 return;
 240         updated=attr->u.num;
 241         if (this_->ready != 3)
 242                 return;
 243         if (updated != route_status_path_done_new)
 244                 return;
 245         if (this_->vehicle) {
 246                 if (this_->vehicle->follow_curr == 1)
 247                         return;
 248                 if (this_->vehicle->follow_curr <= this_->vehicle->follow)
 249                         this_->vehicle->follow_curr=this_->vehicle->follow;
 250         }
 251         navit_draw(this_);
 252 }
 253
 254 void
 255 navit_handle_resize(struct navit *this_, int w, int h)
 256 {
 257         struct map_selection sel;
 258         int callback=(this_->ready == 1);
 259         this_->ready |= 2;
 260         memset(&sel, 0, sizeof(sel));
 261         this_->w=w;
 262         this_->h=h;
 263         sel.u.p_rect.rl.x=w;
 264         sel.u.p_rect.rl.y=h;
 265         transform_set_screen_selection(this_->trans, &sel);
 266         graphics_init(this_->gra);
 267         graphics_set_rect(this_->gra, &sel.u.p_rect);
 268         if (callback)
 269                 callback_list_call_attr_1(this_->attr_cbl, attr_graphics_ready, this_);
 270         if (this_->ready == 3)
 271                 navit_draw(this_);
 272 }
 273
 274 static void
 275 navit_resize(void *data, int w, int h)
 276 {
 277         struct navit *this=data;
 278         if (!this->ignore_graphics_events)
 279                 navit_handle_resize(this, w, h);
 280 }
 281
 282 int
 283 navit_get_width(struct navit *this_)
 284 {
 285         return this_->w;
 286 }
 287
 288
 289 int
 290 navit_get_height(struct navit *this_)
 291 {
 292         return this_->h;
 293 }
 294
 295 static void
 296 navit_popup(void *data)
 297 {
 298         struct navit *this_=data;
 299         popup(this_, 1, &this_->pressed);
 300         this_->button_timeout=NULL;
 301         this_->popped=1;
 302 }
 303
 304
 305 int
 306 navit_ignore_button(struct navit *this_)
 307 {
 308         if (this_->ignore_button)
 309                 return 1;
 310         this_->ignore_button=1;
 311         return 0;
 312 }
 313
 314 void
 315 navit_ignore_graphics_events(struct navit *this_, int ignore)
 316 {
 317         this_->ignore_graphics_events=ignore;
 318 }
 319
 320 static void
 321 update_transformation(struct transformation *tr, struct point *old, struct point *new, struct point *rot)
 322 {
 323         struct coord co,cn;
 324         struct coord c,*cp;
 325         int yaw;
 326         double angleo,anglen;
 327
 328         if (!transform_reverse(tr, old, &co))
 329                 return;
 330         if (rot) {
 331                 angleo=atan2(old->y-rot->y, old->x-rot->x)*180/M_PI;
 332                 anglen=atan2(new->y-rot->y, new->x-rot->x)*180/M_PI;
 333                 yaw=transform_get_yaw(tr)+angleo-anglen;
 334                 transform_set_yaw(tr, yaw % 360);
 335         }
 336         if (!transform_reverse(tr, new, &cn))
 337                 return;
 338         cp=transform_get_center(tr);
 339         c.x=cp->x+co.x-cn.x;
 340         c.y=cp->y+co.y-cn.y;
 341         dbg(1,"from 0x%x,0x%x to 0x%x,0x%x\n", cp->x, cp->y, c.x, c.y);
 342         transform_set_center(tr, &c);
 343 }
 344
 345 static void
 346 navit_set_timeout(struct navit *this_)
 347 {
 348         struct attr follow;
 349         follow.type=attr_follow;
 350         follow.u.num=this_->center_timeout;
 351         navit_set_attr(this_, &follow);
 352 }
 353
 354 int
 355 navit_handle_button(struct navit *this_, int pressed, int button, struct point *p, struct callback *popup_callback)
 356 {
 357         int border=16;
 358
 359         dbg(1,"enter %d %d (ignore %d)\n",pressed,button,this_->ignore_button);
 360         callback_list_call_attr_4(this_->attr_cbl, attr_button, this_, GINT_TO_POINTER(pressed), GINT_TO_POINTER(button), p);
 361         if (this_->ignore_button) {
 362                 this_->ignore_button=0;
 363                 return 0;
 364         }
 365         if (pressed) {
 366                 this_->pressed=*p;
 367                 this_->last=*p;
 368                 this_->zoomed=0;
 369                 if (button == 1) {
 370                         this_->button_pressed=1;
 371                         this_->moved=0;
 372                         this_->popped=0;
 373                         if (popup_callback)
 374                                 this_->button_timeout=event_add_timeout(500, 0, popup_callback);
 375                 }
 376                 if (button == 2)
 377                         navit_set_center_screen(this_, p, 1);
 378                 if (button == 3)
 379                         popup(this_, button, p);
 380                 if (button == 4 && this_->use_mousewheel) {
 381                         this_->zoomed = 1;
 382                         navit_zoom_in(this_, 2, p);
 383                 }
 384                 if (button == 5 && this_->use_mousewheel) {
 385                         this_->zoomed = 1;
 386                         navit_zoom_out(this_, 2, p);
 387                 }
 388         } else {
 389
 390                 this_->button_pressed=0;
 391                 if (this_->button_timeout) {
 392                         event_remove_timeout(this_->button_timeout);
 393                         this_->button_timeout=NULL;
 394                         if (! this_->moved && ! transform_within_border(this_->trans, p, border)) {
 395                                 navit_set_center_screen(this_, p, !this_->zoomed);
 396                         }
 397                 }
 398                 if (this_->motion_timeout) {
 399                         event_remove_timeout(this_->motion_timeout);
 400                         this_->motion_timeout=NULL;
 401                 }
 402                 if (this_->moved) {
 403                         struct point pr;
 404                         pr.x=this_->w/2;
 405                         pr.y=this_->h;
 406 #if 0
 407                         update_transformation(this_->trans, &this_->pressed, p, &pr);
 408 #else
 409                         update_transformation(this_->trans, &this_->pressed, p, NULL);
 410 #endif
 411                         graphics_draw_drag(this_->gra, NULL);
 412                         graphics_overlay_disable(this_->gra, 0);
 413                         if (!this_->zoomed)
 414                                 navit_set_timeout(this_);
 415                         navit_draw(this_);
 416                 } else
 417                         return 1;
 418         }
 419         return 0;
 420 }
 421
 422 static void
 423 navit_button(void *data, int pressed, int button, struct point *p)
 424 {
 425         struct navit *this=data;
 426         dbg(1,"enter %d %d ignore %d\n",pressed,button,this->ignore_graphics_events);
 427         if (!this->ignore_graphics_events) {
 428                 if (! this->popup_callback)
 429                         this->popup_callback=callback_new_1(callback_cast(navit_popup), this);
 430                 navit_handle_button(this, pressed, button, p, this->popup_callback);
 431         }
 432 }
 433
 434
 435 static void
 436 navit_motion_timeout(struct navit *this_)
 437 {
 438         int dx, dy;
 439
 440         if (this_->drag_bitmap) {
 441                 struct point point;
 442                 point.x=(this_->current.x-this_->pressed.x);
 443                 point.y=(this_->current.y-this_->pressed.y);
 444                 if (graphics_draw_drag(this_->gra, &point)) {
 445                         graphics_overlay_disable(this_->gra, 1);
 446                         graphics_draw_mode(this_->gra, draw_mode_end);
 447                         this_->moved=1;
 448                         this_->motion_timeout=NULL;
 449                         return;
 450                 }
 451         }
 452         dx=(this_->current.x-this_->last.x);
 453         dy=(this_->current.y-this_->last.y);
 454         if (dx || dy) {
 455                 struct transformation *tr;
 456                 struct point pr;
 457                 this_->last=this_->current;
 458                 graphics_overlay_disable(this_->gra, 1);
 459                 tr=transform_dup(this_->trans);
 460                 pr.x=this_->w/2;
 461                 pr.y=this_->h;
 462 #if 0
 463                 update_transformation(tr, &this_->pressed, &this_->current, &pr);
 464 #else
 465                 update_transformation(tr, &this_->pressed, &this_->current, NULL);
 466 #endif
 467 #if 0
 468                 graphics_displaylist_move(this_->displaylist, dx, dy);
 469 #endif
 470                 graphics_draw_cancel(this_->gra, this_->displaylist);
 471                 graphics_displaylist_draw(this_->gra, this_->displaylist, tr, this_->layout_current, this_->graphics_flags);
 472                 transform_destroy(tr);
 473                 this_->moved=1;
 474         }
 475         this_->motion_timeout=NULL;
 476         return;
 477 }
 478
 479 void
 480 navit_handle_motion(struct navit *this_, struct point *p)
 481 {
 482         int dx, dy;
 483
 484         if (this_->button_pressed && !this_->popped) {
 485                 dx=(p->x-this_->pressed.x);
 486                 dy=(p->y-this_->pressed.y);
 487                 if (dx < -8 || dx > 8 || dy < -8 || dy > 8) {
 488                         this_->moved=1;
 489                         if (this_->button_timeout) {
 490                                 event_remove_timeout(this_->button_timeout);
 491                                 this_->button_timeout=NULL;
 492                         }
 493                         this_->current=*p;
 494                         if (! this_->motion_timeout_callback)
 495                                 this_->motion_timeout_callback=callback_new_1(callback_cast(navit_motion_timeout), this_);
 496                         if (! this_->motion_timeout)
 497                                 this_->motion_timeout=event_add_timeout(100, 0, this_->motion_timeout_callback);
 498                 }
 499         }
 500 }
 501
 502 static void
 503 navit_motion(void *data, struct point *p)
 504 {
 505         struct navit *this=data;
 506         if (!this->ignore_graphics_events)
 507                 navit_handle_motion(this, p);
 508 }
 509
 510 static void
 511 navit_scale(struct navit *this_, long scale, struct point *p, int draw)
 512 {
 513         struct coord c1, c2, *center;
 514         if (scale < this_->zoom_min)
 515                 scale=this_->zoom_min;
 516         if (scale > this_->zoom_max)
 517                 scale=this_->zoom_max;
 518         if (p)
 519                 transform_reverse(this_->trans, p, &c1);
 520         transform_set_scale(this_->trans, scale);
 521         if (p) {
 522                 transform_reverse(this_->trans, p, &c2);
 523                 center = transform_center(this_->trans);
 524                 center->x += c1.x - c2.x;
 525                 center->y += c1.y - c2.y;
 526         }
 527         if (draw)
 528                 navit_draw(this_);
 529 }
 530
 531 /**
 532  * @brief Automatically adjusts zoom level
 533  *
 534  * This function automatically adjusts the current
 535  * zoom level according to the current speed.
 536  *
 537  * @param this_ The navit struct
 538  * @param center The "immovable" point - i.e. the vehicles position if we're centering on the vehicle
 539  * @param speed The vehicles speed in meters per second
 540  * @param dir The direction into which the vehicle moves
 541  */
 542 static void
 543 navit_autozoom(struct navit *this_, struct coord *center, int speed, int draw)
 544 {
 545         struct point pc;
 546         int distance,w,h;
 547         double new_scale;
 548         long scale;
 549
 550         if (! this_->autozoom_active) {
 551                 return;
 552         }
 553
 554         distance = speed * this_->autozoom_secs;
 555
 556         transform_get_size(this_->trans, &w, &h);
 557         transform(this_->trans, transform_get_projection(this_->trans), center, &pc, 1, 0, 0, NULL);
 558         scale = transform_get_scale(this_->trans);
 559
 560         /* We make sure that the point we want to see is within a certain range
 561          * around the vehicle. The radius of this circle is the size of the
 562          * screen. This doesn't necessarily mean the point is visible because of
 563          * perspective etc. Quite rough, but should be enough. */
 564
 565         if (w > h) {
 566                 new_scale = (double)distance / h * 16;
 567         } else {
 568                 new_scale = (double)distance / w * 16;
 569         }
 570
 571         if (abs(new_scale - scale) < 2) {
 572                 return; // Smoothing
 573         }
 574
 575         if (new_scale >= this_->autozoom_min) {
 576                 navit_scale(this_, (long)new_scale, &pc, 0);
 577         } else {
 578                 if (scale != this_->autozoom_min) {
 579                         navit_scale(this_, this_->autozoom_min, &pc, 0);
 580                 }
 581         }
 582 }
 583
 584 /**
 585  * Change the current zoom level, zooming closer to the ground
 586  *
 587  * @param navit The navit instance
 588  * @param factor The zoom factor, usually 2
 589  * @param p The invariant point (if set to NULL, default to center)
 590  * @returns nothing
 591  */
 592 void
 593 navit_zoom_in(struct navit *this_, int factor, struct point *p)
 594 {
 595         long scale=transform_get_scale(this_->trans)/factor;
 596         if (scale < 1)
 597                 scale=1;
 598         navit_scale(this_, scale, p, 1);
 599 }
 600
 601 /**
 602  * Change the current zoom level
 603  *
 604  * @param navit The navit instance
 605  * @param factor The zoom factor, usually 2
 606  * @param p The invariant point (if set to NULL, default to center)
 607  * @returns nothing
 608  */
 609 void
 610 navit_zoom_out(struct navit *this_, int factor, struct point *p)
 611 {
 612         long scale=transform_get_scale(this_->trans)*factor;
 613         navit_scale(this_, scale, p, 1);
 614 }
 615
 616 static int
 617 navit_cmd_zoom_in(struct navit *this_)
 618 {
 619         struct point p;
 620         if (this_->vehicle && this_->vehicle->follow_curr == 1 && navit_get_cursor_pnt(this_, &p, 0, NULL)) {
 621                 navit_zoom_in(this_, 2, &p);
 622                 this_->vehicle->follow_curr=this_->vehicle->follow;
 623         } else
 624                 navit_zoom_in(this_, 2, NULL);
 625         return 0;
 626 }
 627
 628 static int
 629 navit_cmd_zoom_out(struct navit *this_)
 630 {
 631         struct point p;
 632         if (this_->vehicle && this_->vehicle->follow_curr == 1 && navit_get_cursor_pnt(this_, &p, 0, NULL)) {
 633                 navit_zoom_out(this_, 2, &p);
 634                 this_->vehicle->follow_curr=this_->vehicle->follow;
 635         } else
 636                 navit_zoom_out(this_, 2, NULL);
 637         return 0;
 638 }
 639
 640
 641 static void
 642 navit_cmd_say(struct navit *this, char *function, struct attr **in, struct attr ***out, int *valid)
 643 {
 644         if (in && in[0] && ATTR_IS_STRING(in[0]->type) && in[0]->u.str)
 645                 navit_say(this, in[0]->u.str);
 646 }
 647
 648 static void
 649 navit_cmd_set_destination(struct navit *this, char *function, struct attr **in, struct attr ***out, int *valid)
 650 {
 651         struct pcoord pc;
 652         char *description=NULL;
 653         if (!in)
 654                 return;
 655         if (!in[0])
 656                 return;
 657         pc.pro = transform_get_projection(this->trans);
 658         if (ATTR_IS_COORD(in[0]->type)) {
 659                 pc.x=in[0]->u.coord->x;
 660                 pc.y=in[0]->u.coord->y;
 661                 in++;
 662         } else if (ATTR_IS_PCOORD(in[0]->type)) {
 663                 pc=*in[0]->u.pcoord;
 664                 in++;
 665         } else if (in[1] && in[2] && ATTR_IS_INT(in[0]->type) && ATTR_IS_INT(in[1]->type) && ATTR_IS_INT(in[2]->type)) {
 666                 pc.pro=in[0]->u.num;
 667                 pc.x=in[1]->u.num;
 668                 pc.y=in[2]->u.num;
 669                 in+=3;
 670         } else if (in[1] && ATTR_IS_INT(in[0]->type) && ATTR_IS_INT(in[1]->type)) {
 671                 pc.x=in[0]->u.num;
 672                 pc.y=in[1]->u.num;
 673                 in+=2;
 674         } else
 675                 return;
 676         if (in[0] && ATTR_IS_STRING(in[0]->type))
 677                 description=in[0]->u.str;
 678         navit_set_destination(this, &pc, description, 1);
 679 }
 680
 681 static void
 682 navit_cmd_fmt_coordinates(struct navit *this, char *function, struct attr **in, struct attr ***out, int *valid)
 683 {
 684         struct attr attr;
 685         attr.type=attr_type_string_begin;
 686         attr.u.str="Fix me";
 687         if (out) {
 688                 *out=attr_generic_add_attr(*out, &attr);
 689         }
 690 }
 691
 692 static struct command_table commands[] = {
 693         {"zoom_in",command_cast(navit_cmd_zoom_in)},
 694         {"zoom_out",command_cast(navit_cmd_zoom_out)},
 695         {"zoom_to_route",command_cast(navit_cmd_zoom_to_route)},
 696         {"say",command_cast(navit_cmd_say)},
 697         {"set_center_cursor",command_cast(navit_cmd_set_center_cursor)},
 698         {"set_destination",command_cast(navit_cmd_set_destination)},
 699         {"announcer_toggle",command_cast(navit_cmd_announcer_toggle)},
 700         {"fmt_coordinates",command_cast(navit_cmd_fmt_coordinates)},
 701 };
 702
 703
 704 struct navit *
 705 navit_new(struct attr *parent, struct attr **attrs)
 706 {
 707         struct navit *this_=g_new0(struct navit, 1);
 708         struct pcoord center;
 709         struct coord co;
 710         struct coord_geo g;
 711         enum projection pro=projection_mg;
 712         int zoom = 256;
 713         g.lat=53.13;
 714         g.lng=11.70;
 715
 716         this_->self.type=attr_navit;
 717         this_->self.u.navit=this_;
 718         this_->attr_cbl=callback_list_new();
 719
 720         this_->orientation=-1;
 721         this_->tracking_flag=1;
 722         this_->recentdest_count=10;
 723         this_->osd_configuration=-1;
 724
 725         this_->center_timeout = 10;
 726         this_->use_mousewheel = 1;
 727         this_->autozoom_secs = 10;
 728         this_->autozoom_min = 7;
 729         this_->autozoom_active = 0;
 730         this_->zoom_min = 1;
 731         this_->zoom_max = 2097152;
 732         this_->follow_cursor = 1;
 733         this_->radius = 30;
 734
 735         this_->trans = transform_new();
 736         transform_from_geo(pro, &g, &co);
 737         center.x=co.x;
 738         center.y=co.y;
 739         center.pro = pro;
 740
 741         transform_setup(this_->trans, &center, zoom, (this_->orientation != -1) ? this_->orientation : 0);
 742
 743         this_->bookmarks=bookmarks_new(&this_->self, NULL, this_->trans);
 744
 745         this_->prevTs=0;
 746
 747         for (;*attrs; attrs++) {
 748                 navit_set_attr_do(this_, *attrs, 1);
 749         }
 750         this_->displaylist=graphics_displaylist_new();
 751         command_add_table(this_->attr_cbl, commands, sizeof(commands)/sizeof(struct command_table), this_);
 752
 753         this_->messages = messagelist_new(attrs);
 754
 755         return this_;
 756 }
 757
 758 static int
 759 navit_set_gui(struct navit *this_, struct gui *gui)
 760 {
 761         if (this_->gui)
 762                 return 0;
 763         this_->gui=gui;
 764         if (gui_has_main_loop(this_->gui)) {
 765                 if (! main_loop_gui) {
 766                         main_loop_gui=this_->gui;
 767                 } else {
 768                         dbg(0,"gui with main loop already active, ignoring this instance");
 769                         return 0;
 770                 }
 771         }
 772         return 1;
 773 }
 774
 775 void
 776 navit_add_message(struct navit *this_, char *message)
 777 {
 778         message_new(this_->messages, message);
 779 }
 780
 781 struct message
 782 *navit_get_messages(struct navit *this_)
 783 {
 784         return message_get(this_->messages);
 785 }
 786
 787 static int
 788 navit_set_graphics(struct navit *this_, struct graphics *gra)
 789 {
 790         if (this_->gra)
 791                 return 0;
 792         this_->gra=gra;
 793         this_->resize_callback=callback_new_attr_1(callback_cast(navit_resize), attr_resize, this_);
 794         graphics_add_callback(gra, this_->resize_callback);
 795         this_->button_callback=callback_new_attr_1(callback_cast(navit_button), attr_button, this_);
 796         graphics_add_callback(gra, this_->button_callback);
 797         this_->motion_callback=callback_new_attr_1(callback_cast(navit_motion), attr_motion, this_);
 798         graphics_add_callback(gra, this_->motion_callback);
 799         return 1;
 800 }
 801
 802 struct graphics *
 803 navit_get_graphics(struct navit *this_)
 804 {
 805         return this_->gra;
 806 }
 807
 808 struct vehicleprofile *
 809 navit_get_vehicleprofile(struct navit *this_)
 810 {
 811         return this_->vehicleprofile;
 812 }
 813
 814 GList *
 815 navit_get_vehicleprofiles(struct navit *this_)
 816 {
 817         return this_->vehicleprofiles;
 818 }
 819
 820 static void
 821 navit_projection_set(struct navit *this_, enum projection pro, int draw)
 822 {
 823         struct coord_geo g;
 824         struct coord *c;
 825
 826         c=transform_center(this_->trans);
 827         transform_to_geo(transform_get_projection(this_->trans), c, &g);
 828         transform_set_projection(this_->trans, pro);
 829         transform_from_geo(pro, &g, c);
 830         if (draw)
 831                 navit_draw(this_);
 832 }
 833
 834 /**
 835  * Start the route computing to a given set of coordinates
 836  *
 837  * @param navit The navit instance
 838  * @param c The coordinate to start routing to
 839  * @param description A label which allows the user to later identify this destination in the former destinations selection
 840  * @returns nothing
 841  */
 842 void
 843 navit_set_destination(struct navit *this_, struct pcoord *c, const char *description, int async)
 844 {
 845         if (c) {
 846                 this_->destination=*c;
 847                 this_->destination_valid=1;
 848         } else
 849                 this_->destination_valid=0;
 850         char *destination_file = bookmarks_get_destination_file(TRUE);
 851         bookmarks_append_coord(this_->bookmarks, destination_file, c, 1, "former_destination", description, NULL, this_->recentdest_count);
 852         g_free(destination_file);
 853         callback_list_call_attr_0(this_->attr_cbl, attr_destination);
 854         if (this_->route) {
 855                 route_set_destination(this_->route, c, async);
 856
 857                 if (this_->ready == 3)
 858                         navit_draw(this_);
 859         }
 860 }
 861
 862 /**
 863  * Start the route computing to a given set of coordinates including waypoints
 864  *
 865  * @param navit The navit instance
 866  * @param c The coordinate to start routing to
 867  * @param description A label which allows the user to later identify this destination in the former destinations selection
 868  * @returns nothing
 869  */
 870 void
 871 navit_set_destinations(struct navit *this_, struct pcoord *c, int count, const char *description, int async)
 872 {
 873         if (c && count) {
 874                 this_->destination=c[count-1];
 875                 this_->destination_valid=1;
 876         } else
 877                 this_->destination_valid=0;
 878         char *destination_file = bookmarks_get_destination_file(TRUE);
 879         bookmarks_append_coord(this_->bookmarks, destination_file, c, count, "former_itinerary", description, NULL, this_->recentdest_count);
 880         g_free(destination_file);
 881         callback_list_call_attr_0(this_->attr_cbl, attr_destination);
 882         if (this_->route) {
 883                 route_set_destinations(this_->route, c, count, async);
 884
 885                 if (this_->ready == 3)
 886                         navit_draw(this_);
 887         }
 888 }
 889
 890 /**
 891  * @brief Checks if a route is calculated
 892  *
 893  * This function checks if a route is calculated.
 894  *
 895  * @param this_ The navit struct whose route should be checked.
 896  * @return True if the route is set, false otherwise.
 897  */
 898 int
 899 navit_check_route(struct navit *this_)
 900 {
 901         if (this_->route) {
 902                 return route_get_path_set(this_->route);
 903         }
 904
 905         return 0;
 906 }
 907
 908 static int
 909 navit_former_destinations_active(struct navit *this_)
 910 {
 911         char *destination_file = bookmarks_get_destination_file(FALSE);
 912         FILE *f;
 913         int active=0;
 914         char buffer[3];
 915         f=fopen(destination_file,"r");
 916         if (f) {
 917                 if(!fseek(f, -2, SEEK_END) && fread(buffer, 2, 1, f) == 1 && (buffer[0]!='\n' || buffer[1]!='\n'))
 918                         active=1;
 919                 fclose(f);
 920         }
 921         g_free(destination_file);
 922         return active;
 923 }
 924
 925 static void
 926 navit_add_former_destinations_from_file(struct navit *this_)
 927 {
 928         char *destination_file = bookmarks_get_destination_file(FALSE);
 929         struct attr parent={attr_navit, .u.navit=this_};
 930         struct attr type={attr_type, {"textfile"}}, data={attr_data, {destination_file}}, flags={attr_flags, {(void *)1}};
 931         struct attr *attrs[]={&type, &data, &flags, NULL};
 932         struct map_rect *mr;
 933         struct item *item;
 934         int i,valid=0,count=0;
 935         struct coord c[16];
 936         struct pcoord pc[16];
 937
 938         this_->former_destination=map_new(&parent, attrs);
 939         g_free(destination_file);
 940         if (!this_->route || !navit_former_destinations_active(this_))
 941                 return;
 942         mr=map_rect_new(this_->former_destination, NULL);
 943         while ((item=map_rect_get_item(mr))) {
 944                 if ((item->type == type_former_destination || item->type == type_former_itinerary || item->type == type_former_itinerary_part) && (count=item_coord_get(item, c, 16)))
 945                         valid=1;
 946         }
 947         map_rect_destroy(mr);
 948         if (valid && count > 0) {
 949                 for (i = 0 ; i < count ; i++) {
 950                         pc[i].pro=map_projection(this_->former_destination);
 951                         pc[i].x=c[i].x;
 952                         pc[i].y=c[i].y;
 953                 }
 954                 if (count == 1)
 955                         route_set_destination(this_->route, &pc[0], 1);
 956                 else
 957                         route_set_destinations(this_->route, pc, count, 1);
 958                 this_->destination=pc[count-1];
 959                 this_->destination_valid=1;
 960         }
 961 }
 962
 963
 964 void
 965 navit_textfile_debug_log(struct navit *this_, const char *fmt, ...)
 966 {
 967         va_list ap;
 968         char *str1,*str2;
 969         va_start(ap, fmt);
 970         if (this_->textfile_debug_log && this_->vehicle) {
 971                 str1=g_strdup_vprintf(fmt, ap);
 972                 str2=g_strdup_printf("0x%x 0x%x%s%s\n", this_->vehicle->coord.x, this_->vehicle->coord.y, strlen(str1) ? " " : "", str1);
 973                 log_write(this_->textfile_debug_log, str2, strlen(str2), 0);
 974                 g_free(str2);
 975                 g_free(str1);
 976         }
 977         va_end(ap);
 978 }
 979
 980 int
 981 navit_speech_estimate(struct navit *this_, char *str)
 982 {
 983         return speech_estimate_duration(this_->speech, str);
 984 }
 985
 986 void
 987 navit_say(struct navit *this_, char *text)
 988 {
 989         speech_say(this_->speech, text);
 990 }
 991
 992 /**
 993  * @brief Toggles the navigation announcer for navit
 994  * @param this_ The navit object
 995  */
 996 static void
 997 navit_cmd_announcer_toggle(struct navit *this_)
 998 {
 999     struct attr attr, speechattr;
1000
1001     // search for the speech attribute
1002     if(!navit_get_attr(this_, attr_speech, &speechattr, NULL))
1003         return;
1004     // find out if the corresponding attribute attr_active has been set
1005     if(speech_get_attr(speechattr.u.speech, attr_active, &attr, NULL)) {
1006         // flip it then...
1007         attr.u.num = !attr.u.num;
1008     } else {
1009         // otherwise disable it because voice is enabled by default
1010         attr.type = attr_active;
1011         attr.u.num = 0;
1012     }
1013
1014     // apply the new state
1015     if(!speech_set_attr(speechattr.u.speech, &attr))
1016         return;
1017
1018     // announce that the speech attribute has changed
1019     callback_list_call_attr_0(this_->attr_cbl, attr_speech);
1020 }
1021
1022 void
1023 navit_speak(struct navit *this_)
1024 {
1025         struct navigation *nav=this_->navigation;
1026         struct map *map=NULL;
1027         struct map_rect *mr=NULL;
1028         struct item *item;
1029         struct attr attr;
1030
1031     if (!speech_get_attr(this_->speech, attr_active, &attr, NULL))
1032         attr.u.num = 1;
1033     dbg(1, "this_.speech->active %i\n", attr.u.num);
1034     if(!attr.u.num)
1035         return;
1036
1037         if (nav)
1038                 map=navigation_get_map(nav);
1039         if (map)
1040                 mr=map_rect_new(map, NULL);
1041         if (mr) {
1042                 while ((item=map_rect_get_item(mr)) && (item->type == type_nav_position || item->type == type_nav_none));
1043                 if (item && item_attr_get(item, attr_navigation_speech, &attr)) {
1044                         speech_say(this_->speech, attr.u.str);
1045                         navit_add_message(this_, attr.u.str);
1046                         navit_textfile_debug_log(this_, "type=announcement label=\"%s\"", attr.u.str);
1047                 }
1048                 map_rect_destroy(mr);
1049         }
1050 }
1051
1052 static void
1053 navit_window_roadbook_update(struct navit *this_)
1054 {
1055         struct navigation *nav=this_->navigation;
1056         struct map *map=NULL;
1057         struct map_rect *mr=NULL;
1058         struct item *item;
1059         struct attr attr;
1060         struct param_list param[5];
1061         int secs;
1062
1063         dbg(1,"enter\n");
1064         datawindow_mode(this_->roadbook_window, 1);
1065         if (nav)
1066                 map=navigation_get_map(nav);
1067         if (map)
1068                 mr=map_rect_new(map, NULL);
1069         dbg(0,"nav=%p map=%p mr=%p\n", nav, map, mr);
1070         if (mr) {
1071                 dbg(0,"while loop\n");
1072                 while ((item=map_rect_get_item(mr))) {
1073                         dbg(0,"item=%p\n", item);
1074                         attr.u.str=NULL;
1075                         if (item->type != type_nav_position) {
1076                                 item_attr_get(item, attr_navigation_long, &attr);
1077                                 if (attr.u.str == NULL) {
1078                                         continue;
1079                                 }
1080                                 dbg(2, "Command='%s'\n", attr.u.str);
1081                                 param[0].value=g_strdup(attr.u.str);
1082                         } else
1083                                 param[0].value=_("Position");
1084                         param[0].name=_("Command");
1085
1086                         item_attr_get(item, attr_length, &attr);
1087                         dbg(2, "Length=%d\n", attr.u.num);
1088                         param[1].name=_("Length");
1089
1090                         if ( attr.u.num >= 2000 )
1091                         {
1092                                 param[1].value=g_strdup_printf("%5.1f %s",(float)attr.u.num / 1000, _("km") );
1093                         }
1094                         else
1095                         {
1096                                 param[1].value=g_strdup_printf("%7d %s",attr.u.num, _("m"));
1097                         }
1098
1099                         item_attr_get(item, attr_time, &attr);
1100                         dbg(2, "Time=%d\n", attr.u.num);
1101                         secs=attr.u.num/10;
1102                         param[2].name=_("Time");
1103                         if ( secs >= 3600 )
1104                         {
1105                                 param[2].value=g_strdup_printf("%d:%02d:%02d",secs / 60, ( secs / 60 ) % 60 , secs % 60);
1106                         }
1107                         else
1108                         {
1109                                 param[2].value=g_strdup_printf("%d:%02d",secs / 60, secs % 60);
1110                         }
1111
1112                         item_attr_get(item, attr_destination_length, &attr);
1113                         dbg(2, "Destlength=%d\n", attr.u.num);
1114                         param[3].name=_("Destination Length");
1115                         if ( attr.u.num >= 2000 )
1116                         {
1117                                 param[3].value=g_strdup_printf("%5.1f %s",(float)attr.u.num / 1000, _("km") );
1118                         }
1119                         else
1120                         {
1121                                 param[3].value=g_strdup_printf("%d %s",attr.u.num, _("m"));
1122                         }
1123
1124                         item_attr_get(item, attr_destination_time, &attr);
1125                         dbg(2, "Desttime=%d\n", attr.u.num);
1126                         secs=attr.u.num/10;
1127                         param[4].name=_("Destination Time");
1128                         if ( secs >= 3600 )
1129                         {
1130                                 param[4].value=g_strdup_printf("%d:%02d:%02d",secs / 3600, (secs / 60 ) % 60 , secs % 60);
1131                         }
1132                         else
1133                         {
1134                                 param[4].value=g_strdup_printf("%d:%02d",secs / 60, secs % 60);
1135                         }
1136                         datawindow_add(this_->roadbook_window, param, 5);
1137                 }
1138                 map_rect_destroy(mr);
1139         }
1140         datawindow_mode(this_->roadbook_window, 0);
1141 }
1142
1143 void
1144 navit_window_roadbook_destroy(struct navit *this_)
1145 {
1146         dbg(0, "enter\n");
1147         navigation_unregister_callback(this_->navigation, attr_navigation_long, this_->roadbook_callback);
1148         this_->roadbook_window=NULL;
1149         this_->roadbook_callback=NULL;
1150 }
1151 void
1152 navit_window_roadbook_new(struct navit *this_)
1153 {
1154         if (!this_->gui || this_->roadbook_callback || this_->roadbook_window) {
1155                 return;
1156         }
1157
1158         this_->roadbook_callback=callback_new_1(callback_cast(navit_window_roadbook_update), this_);
1159         navigation_register_callback(this_->navigation, attr_navigation_long, this_->roadbook_callback);
1160         this_->roadbook_window=gui_datawindow_new(this_->gui, _("Roadbook"), NULL, callback_new_1(callback_cast(navit_window_roadbook_destroy), this_));
1161         navit_window_roadbook_update(this_);
1162 }
1163
1164 void
1165 navit_init(struct navit *this_)
1166 {
1167         struct mapset *ms;
1168         struct map *map;
1169         int callback;
1170
1171         dbg(2,"enter gui %p graphics %p\n",this_->gui,this_->gra);
1172
1173         if (!this_->gui && !(this_->flags & 2)) {
1174                 dbg(0,"no gui\n");
1175                 navit_destroy(this_);
1176                 return;
1177         }
1178         if (!this_->gra && !(this_->flags & 1)) {
1179                 dbg(0,"no graphics\n");
1180                 navit_destroy(this_);
1181                 return;
1182         }
1183         dbg(2,"Connecting gui to graphics\n");
1184         if (this_->gui && this_->gra && gui_set_graphics(this_->gui, this_->gra)) {
1185                 struct attr attr_type_gui, attr_type_graphics;
1186                 gui_get_attr(this_->gui, attr_type, &attr_type_gui, NULL);
1187                 graphics_get_attr(this_->gra, attr_type, &attr_type_graphics, NULL);
1188                 dbg(0,"failed to connect graphics '%s' to gui '%s'\n", attr_type_graphics.u.str, attr_type_gui.u.str);
1189                 dbg(0," Please see http://wiki.navit-project.org/index.php/Failed_to_connect_graphics_to_gui\n");
1190                 dbg(0," for explanations and solutions\n");
1191
1192                 navit_destroy(this_);
1193                 return;
1194         }
1195         dbg(2,"Initializing graphics\n");
1196         dbg(2,"Setting Vehicle\n");
1197         navit_set_vehicle(this_, this_->vehicle);
1198         dbg(2,"Adding dynamic maps to mapset %p\n",this_->mapsets);
1199         if (this_->mapsets) {
1200                 ms=this_->mapsets->data;
1201                 if (this_->route) {
1202                         if ((map=route_get_map(this_->route)))
1203                                 mapset_add_attr(ms, &(struct attr){attr_map,.u.map=map});
1204                         if ((map=route_get_graph_map(this_->route))) {
1205                                 mapset_add_attr(ms, &(struct attr){attr_map,.u.map=map});
1206                                 map_set_attr(map, &(struct attr ){attr_active,.u.num=0});
1207                         }
1208                         route_set_mapset(this_->route, ms);
1209                         route_set_projection(this_->route, transform_get_projection(this_->trans));
1210                 }
1211                 if (this_->tracking) {
1212                         tracking_set_mapset(this_->tracking, ms);
1213                         if (this_->route)
1214                                 tracking_set_route(this_->tracking, this_->route);
1215                 }
1216                 if (this_->navigation) {
1217                         if ((map=navigation_get_map(this_->navigation))) {
1218                                 mapset_add_attr(ms, &(struct attr){attr_map,.u.map=map});
1219                                 map_set_attr(map, &(struct attr ){attr_active,.u.num=0});
1220                         }
1221                 }
1222                 if (this_->tracking) {
1223                         if ((map=tracking_get_map(this_->tracking))) {
1224                                 mapset_add_attr(ms, &(struct attr){attr_map,.u.map=map});
1225                                 map_set_attr(map, &(struct attr ){attr_active,.u.num=0});
1226                         }
1227                 }
1228                 navit_add_former_destinations_from_file(this_);
1229         }
1230         if (this_->route) {
1231                 struct attr callback;
1232                 this_->route_cb=callback_new_attr_1(callback_cast(navit_redraw_route), attr_route_status, this_);
1233                 callback.type=attr_callback;
1234                 callback.u.callback=this_->route_cb;
1235                 route_add_attr(this_->route, &callback);
1236         }
1237         if (this_->navigation) {
1238                 if (this_->speech) {
1239                         this_->nav_speech_cb=callback_new_1(callback_cast(navit_speak), this_);
1240                         navigation_register_callback(this_->navigation, attr_navigation_speech, this_->nav_speech_cb);
1241                 }
1242                 if (this_->route)
1243                         navigation_set_route(this_->navigation, this_->route);
1244         }
1245         dbg(2,"Setting Center\n");
1246         char *center_file = bookmarks_get_center_file(FALSE);
1247         bookmarks_set_center_from_file(this_->bookmarks, center_file);
1248         g_free(center_file);
1249 #if 0
1250         if (this_->menubar) {
1251                 men=menu_add(this_->menubar, "Data", menu_type_submenu, NULL);
1252                 if (men) {
1253                         navit_add_menu_windows_items(this_, men);
1254                 }
1255         }
1256 #endif
1257         global_navit=this_;
1258 #if 0
1259         navit_window_roadbook_new(this_);
1260         navit_window_items_new(this_);
1261 #endif
1262
1263         messagelist_init(this_->messages);
1264
1265         navit_set_cursors(this_);
1266
1267         callback_list_call_attr_1(this_->attr_cbl, attr_navit, this_);
1268         callback=(this_->ready == 2);
1269         this_->ready|=1;
1270         dbg(2,"ready=%d\n",this_->ready);
1271         if (this_->ready == 3)
1272                 navit_draw(this_);
1273         if (callback)
1274                 callback_list_call_attr_1(this_->attr_cbl, attr_graphics_ready, this_);
1275 #if 0
1276         routech_test(this_);
1277 #endif
1278 }
1279
1280 void
1281 navit_zoom_to_rect(struct navit *this_, struct coord_rect *r)
1282 {
1283         struct coord c;
1284         int scale=16;
1285
1286         c.x=(r->rl.x+r->lu.x)/2;
1287         c.y=(r->rl.y+r->lu.y)/2;
1288         transform_set_center(this_->trans, &c);
1289         dbg(1,"%x,%x-%x,%x\n", r->rl.x,r->rl.y,r->lu.x,r->lu.y);
1290         while (scale < 1<<20) {
1291                 struct point p1,p2;
1292                 transform_set_scale(this_->trans, scale);
1293                 transform_setup_source_rect(this_->trans);
1294                 transform(this_->trans, transform_get_projection(this_->trans), &r->lu, &p1, 1, 0, 0, NULL);
1295                 transform(this_->trans, transform_get_projection(this_->trans), &r->rl, &p2, 1, 0, 0, NULL);
1296                 dbg(1,"%d,%d-%d,%d\n",p1.x,p1.y,p2.x,p2.y);
1297                 if (p1.x < 0 || p2.x < 0 || p1.x > this_->w || p2.x > this_->w ||
1298                     p1.y < 0 || p2.y < 0 || p1.y > this_->h || p2.y > this_->h)
1299                         scale*=2;
1300                 else
1301                         break;
1302
1303         }
1304         if (this_->ready == 3)
1305                 navit_draw_async(this_,0);
1306 }
1307
1308 void
1309 navit_zoom_to_route(struct navit *this_, int orientation)
1310 {
1311         struct map *map;
1312         struct map_rect *mr=NULL;
1313         struct item *item;
1314         struct coord c;
1315         struct coord_rect r;
1316         int count=0;
1317         if (! this_->route)
1318                 return;
1319         dbg(1,"enter\n");
1320         map=route_get_map(this_->route);
1321         dbg(1,"map=%p\n",map);
1322         if (map)
1323                 mr=map_rect_new(map, NULL);
1324         dbg(1,"mr=%p\n",mr);
1325         if (mr) {
1326                 while ((item=map_rect_get_item(mr))) {
1327                         dbg(1,"item=%s\n", item_to_name(item->type));
1328                         while (item_coord_get(item, &c, 1)) {
1329                                 dbg(1,"coord\n");
1330                                 if (!count)
1331                                         r.lu=r.rl=c;
1332                                 else
1333                                         coord_rect_extend(&r, &c);
1334                                 count++;
1335                         }
1336                 }
1337         }
1338         if (! count)
1339                 return;
1340         if (orientation != -1)
1341                 transform_set_yaw(this_->trans, orientation);
1342         navit_zoom_to_rect(this_, &r);
1343 }
1344
1345 static void
1346 navit_cmd_zoom_to_route(struct navit *this)
1347 {
1348         navit_zoom_to_route(this, 0);
1349 }
1350
1351
1352 /**
1353  * Change the current zoom level
1354  *
1355  * @param navit The navit instance
1356  * @param center The point where to center the map, including its projection
1357  * @returns nothing
1358  */
1359 void
1360 navit_set_center(struct navit *this_, struct pcoord *center, int set_timeout)
1361 {
1362         struct coord *c=transform_center(this_->trans);
1363         struct coord c1,c2;
1364         enum projection pro = transform_get_projection(this_->trans);
1365         if (pro != center->pro) {
1366                 c1.x = center->x;
1367                 c1.y = center->y;
1368                 transform_from_to(&c1, center->pro, &c2, pro);
1369         } else {
1370                 c2.x = center->x;
1371                 c2.y = center->y;
1372         }
1373         *c=c2;
1374         if (set_timeout)
1375                 navit_set_timeout(this_);
1376         if (this_->ready == 3)
1377                 navit_draw(this_);
1378 }
1379
1380 static void
1381 navit_set_center_coord_screen(struct navit *this_, struct coord *c, struct point *p, int set_timeout)
1382 {
1383         int width, height;
1384         struct point po;
1385         transform_set_center(this_->trans, c);
1386         transform_get_size(this_->trans, &width, &height);
1387         po.x=width/2;
1388         po.y=height/2;
1389         update_transformation(this_->trans, &po, p, NULL);
1390         if (set_timeout)
1391                 navit_set_timeout(this_);
1392 }
1393
1394 /**
1395  * Links all vehicles to a cursor depending on the current profile.
1396  *
1397  * @param this_ A navit instance
1398  * @author Ralph Sennhauser (10/2009)
1399  */
1400 static void
1401 navit_set_cursors(struct navit *this_)
1402 {
1403         struct attr name;
1404         struct navit_vehicle *nv;
1405         struct cursor *c;
1406         GList *v;
1407
1408         v=g_list_first(this_->vehicles); // GList of navit_vehicles
1409         while (v) {
1410                 nv=v->data;
1411                 if (vehicle_get_attr(nv->vehicle, attr_cursorname, &name, NULL)) {
1412                         if (!strcmp(name.u.str,"none"))
1413                                 c=NULL;
1414                         else
1415                                 c=layout_get_cursor(this_->layout_current, name.u.str);
1416                 } else
1417                         c=layout_get_cursor(this_->layout_current, "default");
1418                 vehicle_set_cursor(nv->vehicle, c);
1419                 v=g_list_next(v);
1420         }
1421         return;
1422 }
1423
1424 static int
1425 navit_get_cursor_pnt(struct navit *this_, struct point *p, int keep_orientation, int *dir)
1426 {
1427         int width, height;
1428         struct navit_vehicle *nv=this_->vehicle;
1429
1430         float offset=this_->radius;      // Cursor offset from the center of the screen (percent).
1431 #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 */
1432         float min_offset = 0.;      // Percent offset at min_offset_speed.
1433         float max_offset = 30.;     // Percent offset at max_offset_speed.
1434         int min_offset_speed = 2;   // Speed in km/h
1435         int max_offset_speed = 50;  // Speed ini km/h
1436         // Calculate cursor offset from the center of the screen, upon speed.
1437         if (nv->speed <= min_offset_speed) {
1438             offset = min_offset;
1439         } else if (nv->speed > max_offset_speed) {
1440             offset = max_offset;
1441         } else {
1442             offset = (max_offset - min_offset) / (max_offset_speed - min_offset_speed) * (nv->speed - min_offset_speed);
1443         }
1444 #endif
1445
1446         transform_get_size(this_->trans, &width, &height);
1447         if (this_->orientation == -1 || keep_orientation) {
1448                 p->x=50*width/100;
1449                 p->y=(50 + offset)*height/100;
1450                 if (dir)
1451                         *dir=keep_orientation?this_->orientation:nv->dir;
1452         } else {
1453                 int mdir;
1454                 if (this_->tracking && this_->tracking_flag) {
1455                         mdir = tracking_get_angle(this_->tracking) - this_->orientation;
1456                 } else {
1457                         mdir=nv->dir-this_->orientation;
1458                 }
1459
1460                 p->x=(50 - offset*sin(M_PI*mdir/180.))*width/100;
1461                 p->y=(50 + offset*cos(M_PI*mdir/180.))*height/100;
1462                 if (dir)
1463                         *dir=this_->orientation;
1464         }
1465         return 1;
1466 }
1467
1468 void
1469 navit_set_center_cursor(struct navit *this_, int autozoom, int keep_orientation)
1470 {
1471         int dir;
1472         struct point pn;
1473         struct navit_vehicle *nv=this_->vehicle;
1474         navit_get_cursor_pnt(this_, &pn, keep_orientation, &dir);
1475         transform_set_yaw(this_->trans, dir);
1476         navit_set_center_coord_screen(this_, &nv->coord, &pn, 0);
1477         if (autozoom)
1478                 navit_autozoom(this_, &nv->coord, nv->speed, 0);
1479 }
1480
1481 static void
1482 navit_set_center_cursor_draw(struct navit *this_)
1483 {
1484         navit_set_center_cursor(this_,1,0);
1485         if (this_->ready == 3)
1486                 navit_draw_async(this_, 1);
1487 }
1488
1489 static void
1490 navit_cmd_set_center_cursor(struct navit *this_)
1491 {
1492         navit_set_center_cursor_draw(this_);
1493 }
1494
1495 void
1496 navit_set_center_screen(struct navit *this_, struct point *p, int set_timeout)
1497 {
1498         struct coord c;
1499         struct pcoord pc;
1500         transform_reverse(this_->trans, p, &c);
1501         pc.x = c.x;
1502         pc.y = c.y;
1503         pc.pro = transform_get_projection(this_->trans);
1504         navit_set_center(this_, &pc, set_timeout);
1505 }
1506
1507 #if 0
1508                 switch((*attrs)->type) {
1509                 case attr_zoom:
1510                         zoom=(*attrs)->u.num;
1511                         break;
1512                 case attr_center:
1513                         g=*((*attrs)->u.coord_geo);
1514                         break;
1515 #endif
1516
1517 static int
1518 navit_set_attr_do(struct navit *this_, struct attr *attr, int init)
1519 {
1520         int dir=0, orient_old=0, attr_updated=0;
1521         struct coord co;
1522         long zoom;
1523         GList *l;
1524         struct navit_vehicle *nv;
1525         struct attr active=(struct attr){attr_active,{(void *)0}};
1526         struct layout *lay;
1527
1528         switch (attr->type) {
1529         case attr_autozoom:
1530                 attr_updated=(this_->autozoom_secs != attr->u.num);
1531                 this_->autozoom_secs = attr->u.num;
1532                 break;
1533         case attr_autozoom_active:
1534                 attr_updated=(this_->autozoom_active != attr->u.num);
1535                 this_->autozoom_active = attr->u.num;
1536                 break;
1537         case attr_center:
1538                 transform_from_geo(transform_get_projection(this_->trans), attr->u.coord_geo, &co);
1539                 dbg(1,"0x%x,0x%x\n",co.x,co.y);
1540                 transform_set_center(this_->trans, &co);
1541                 break;
1542         case attr_drag_bitmap:
1543                 attr_updated=(this_->drag_bitmap != !!attr->u.num);
1544                 this_->drag_bitmap=!!attr->u.num;
1545                 break;
1546         case attr_flags:
1547                 attr_updated=(this_->flags != attr->u.num);
1548                 this_->flags=attr->u.num;
1549                 break;
1550         case attr_flags_graphics:
1551                 attr_updated=(this_->graphics_flags != attr->u.num);
1552                 this_->graphics_flags=attr->u.num;
1553                 break;
1554         case attr_follow:
1555                 if (!this_->vehicle)
1556                         return 0;
1557                 attr_updated=(this_->vehicle->follow_curr != attr->u.num);
1558                 this_->vehicle->follow_curr = attr->u.num;
1559                 break;
1560         case attr_layout:
1561                 if(this_->layout_current!=attr->u.layout) {
1562                         this_->layout_current=attr->u.layout;
1563                         graphics_font_destroy_all(this_->gra);
1564                         navit_set_cursors(this_);
1565                         if (this_->ready == 3)
1566                                 navit_draw(this_);
1567                         attr_updated=1;
1568                 }
1569                 break;
1570         case attr_layout_name:
1571                 l=this_->layouts;
1572                 while (l) {
1573                         lay=l->data;
1574                         if (!strcmp(lay->name,attr->u.str)) {
1575                                 struct attr attr;
1576                                 attr.type=attr_layout;
1577                                 attr.u.layout=lay;
1578                                 return navit_set_attr_do(this_, &attr, init);
1579                         }
1580                         l=g_list_next(l);
1581                 }
1582                 return 0;
1583         case attr_orientation:
1584                 orient_old=this_->orientation;
1585                 this_->orientation=attr->u.num;
1586                 if (!init) {
1587                         if (this_->orientation != -1) {
1588                                 dir = this_->orientation;
1589                         } else {
1590                                 if (this_->vehicle) {
1591                                         dir = this_->vehicle->dir;
1592                                 }
1593                         }
1594                         transform_set_yaw(this_->trans, dir);
1595                         if (orient_old != this_->orientation) {
1596 #if 0
1597                                 if (this_->ready == 3)
1598                                         navit_draw(this_);
1599 #endif
1600                                 attr_updated=1;
1601                         }
1602                 }
1603                 break;
1604         case attr_osd_configuration:
1605                 dbg(0,"setting osd_configuration to %d (was %d)\n", attr->u.num, this_->osd_configuration);
1606                 attr_updated=(this_->osd_configuration != attr->u.num);
1607                 this_->osd_configuration=attr->u.num;
1608                 break;
1609         case attr_pitch:
1610                 attr_updated=(this_->pitch != attr->u.num);
1611                 this_->pitch=attr->u.num;
1612                 transform_set_pitch(this_->trans, this_->pitch);
1613                 if (!init && attr_updated && this_->ready == 3)
1614                         navit_draw(this_);
1615                 break;
1616         case attr_projection:
1617                 if(this_->trans && transform_get_projection(this_->trans) != attr->u.projection) {
1618                         navit_projection_set(this_, attr->u.projection, !init);
1619                         attr_updated=1;
1620                 }
1621                 break;
1622         case attr_radius:
1623                 attr_updated=(this_->radius != attr->u.num);
1624                 this_->radius=attr->u.num;
1625                 break;
1626         case attr_recent_dest:
1627                 attr_updated=(this_->recentdest_count != attr->u.num);
1628                 this_->recentdest_count=attr->u.num;
1629                 break;
1630         case attr_speech:
1631                 if(this_->speech && this_->speech != attr->u.speech) {
1632                         attr_updated=1;
1633                         this_->speech = attr->u.speech;
1634                 }
1635                 break;
1636         case attr_timeout:
1637                 attr_updated=(this_->center_timeout != attr->u.num);
1638                 this_->center_timeout = attr->u.num;
1639                 break;
1640         case attr_tracking:
1641                 attr_updated=(this_->tracking_flag != !!attr->u.num);
1642                 this_->tracking_flag=!!attr->u.num;
1643                 break;
1644         case attr_transformation:
1645                 this_->trans=attr->u.transformation;
1646                 break;
1647         case attr_use_mousewheel:
1648                 attr_updated=(this_->use_mousewheel != !!attr->u.num);
1649                 this_->use_mousewheel=!!attr->u.num;
1650                 break;
1651         case attr_vehicle:
1652                 l=this_->vehicles;
1653                 while(l) {
1654                         nv=l->data;
1655                         if (nv->vehicle == attr->u.vehicle) {
1656                                 if (!this_->vehicle || this_->vehicle->vehicle != attr->u.vehicle) {
1657                                         if (this_->vehicle)
1658                                                 vehicle_set_attr(this_->vehicle->vehicle, &active);
1659                                         active.u.num=1;
1660                                         vehicle_set_attr(nv->vehicle, &active);
1661                                         attr_updated=1;
1662                                 }
1663                                 navit_set_vehicle(this_, nv);
1664                         }
1665                         l=g_list_next(l);
1666                 }
1667                 break;
1668         case attr_zoom:
1669                 zoom=transform_get_scale(this_->trans);
1670                 attr_updated=(zoom != attr->u.num);
1671                 transform_set_scale(this_->trans, attr->u.num);
1672                 if (attr_updated && !init)
1673                         navit_draw(this_);
1674                 break;
1675         case attr_zoom_min:
1676                 attr_updated=(attr->u.num != this_->zoom_min);
1677                 this_->zoom_min=attr->u.num;
1678                 break;
1679         case attr_zoom_max:
1680                 attr_updated=(attr->u.num != this_->zoom_max);
1681                 this_->zoom_max=attr->u.num;
1682                 break;
1683         case attr_message:
1684                 navit_add_message(this_, attr->u.str);
1685                 break;
1686         case attr_follow_cursor:
1687                 attr_updated=(this_->follow_cursor != !!attr->u.num);
1688                 this_->follow_cursor=!!attr->u.num;
1689                 break;
1690         default:
1691                 return 0;
1692         }
1693         if (attr_updated && !init) {
1694                 callback_list_call_attr_2(this_->attr_cbl, attr->type, this_, attr);
1695                 if (attr->type == attr_osd_configuration)
1696                         graphics_draw_mode(this_->gra, draw_mode_end);
1697         }
1698         return 1;
1699 }
1700
1701 int
1702 navit_set_attr(struct navit *this_, struct attr *attr)
1703 {
1704         return navit_set_attr_do(this_, attr, 0);
1705 }
1706
1707 int
1708 navit_get_attr(struct navit *this_, enum attr_type type, struct attr *attr, struct attr_iter *iter)
1709 {
1710         struct message *msg;
1711         int len,offset;
1712         int ret=1;
1713
1714         switch (type) {
1715         case attr_message:
1716                 msg = navit_get_messages(this_);
1717
1718                 if (!msg) {
1719                         return 0;
1720                 }
1721
1722                 len = 0;
1723                 while (msg) {
1724                         len += strlen(msg->text) + 1;
1725                         msg = msg->next;
1726                 }
1727                 attr->u.str = g_malloc(len + 1);
1728
1729                 msg = navit_get_messages(this_);
1730                 offset = 0;
1731                 while (msg) {
1732                         g_stpcpy((attr->u.str + offset), msg->text);
1733                         offset += strlen(msg->text);
1734                         attr->u.str[offset] = '\n';
1735                         offset++;
1736
1737                         msg = msg->next;
1738                 }
1739
1740                 attr->u.str[len] = '\0';
1741                 break;
1742         case attr_bookmark_map:
1743                 attr->u.map=bookmarks_get_map(this_->bookmarks);
1744                 break;
1745         case attr_bookmarks:
1746                 attr->u.bookmarks=this_->bookmarks;
1747                 break;
1748         case attr_callback_list:
1749                 attr->u.callback_list=this_->attr_cbl;
1750                 break;
1751         case attr_destination:
1752                 if (! this_->destination_valid)
1753                         return 0;
1754                 attr->u.pcoord=&this_->destination;
1755                 break;
1756         case attr_displaylist:
1757                 attr->u.displaylist=this_->displaylist;
1758                 return (attr->u.displaylist != NULL);
1759         case attr_follow:
1760                 if (!this_->vehicle)
1761                         return 0;
1762                 attr->u.num=this_->vehicle->follow_curr;
1763                 break;
1764         case attr_former_destination_map:
1765                 attr->u.map=this_->former_destination;
1766                 break;
1767         case attr_graphics:
1768                 attr->u.graphics=this_->gra;
1769                 ret=(attr->u.graphics != NULL);
1770                 break;
1771         case attr_gui:
1772                 attr->u.gui=this_->gui;
1773                 ret=(attr->u.gui != NULL);
1774                 break;
1775         case attr_layout:
1776                 if (iter) {
1777                         if (iter->u.list) {
1778                                 iter->u.list=g_list_next(iter->u.list);
1779                         } else {
1780                                 iter->u.list=this_->layouts;
1781                         }
1782                         if (!iter->u.list)
1783                                 return 0;
1784                         attr->u.layout=(struct layout *)iter->u.list->data;
1785                 } else {
1786                         attr->u.layout=this_->layout_current;
1787                 }
1788                 break;
1789         case attr_map:
1790                 if (iter && this_->mapsets) {
1791                         if (!iter->u.mapset_handle) {
1792                                 iter->u.mapset_handle=mapset_open((struct mapset *)this_->mapsets->data);
1793                         }
1794                         attr->u.map=mapset_next(iter->u.mapset_handle, 0);
1795                         if(!attr->u.map) {
1796                                 mapset_close(iter->u.mapset_handle);
1797                                 return 0;
1798                         }
1799                 } else {
1800                         return 0;
1801                 }
1802                 break;
1803         case attr_mapset:
1804                 attr->u.mapset=this_->mapsets->data;
1805                 ret=(attr->u.mapset != NULL);
1806                 break;
1807         case attr_navigation:
1808                 attr->u.navigation=this_->navigation;
1809                 break;
1810         case attr_orientation:
1811                 attr->u.num=this_->orientation;
1812                 break;
1813         case attr_osd_configuration:
1814                 attr->u.num=this_->osd_configuration;
1815                 break;
1816         case attr_pitch:
1817                 attr->u.num=transform_get_pitch(this_->trans);
1818                 break;
1819         case attr_projection:
1820                 if(this_->trans) {
1821                         attr->u.num=transform_get_projection(this_->trans);
1822                 } else {
1823                         return 0;
1824                 }
1825                 break;
1826         case attr_route:
1827                 attr->u.route=this_->route;
1828                 break;
1829         case attr_speech:
1830                 attr->u.speech=this_->speech;
1831                 break;
1832         case attr_tracking:
1833                 attr->u.num=this_->tracking_flag;
1834                 break;
1835         case attr_trackingo:
1836                 attr->u.tracking=this_->tracking;
1837                 break;
1838         case attr_transformation:
1839                 attr->u.transformation=this_->trans;
1840                 break;
1841         case attr_vehicle:
1842                 if(iter) {
1843                         if(iter->u.list) {
1844                                 iter->u.list=g_list_next(iter->u.list);
1845                         } else {
1846                                 iter->u.list=this_->vehicles;
1847                         }
1848                         if(!iter->u.list)
1849                                 return 0;
1850                         attr->u.vehicle=((struct navit_vehicle*)iter->u.list->data)->vehicle;
1851                 } else {
1852                         if(this_->vehicle) {
1853                                 attr->u.vehicle=this_->vehicle->vehicle;
1854                         } else {
1855                                 return 0;
1856                         }
1857                 }
1858                 break;
1859         case attr_vehicleprofile:
1860                 attr->u.vehicleprofile=this_->vehicleprofile;
1861                 break;
1862         case attr_zoom:
1863                 attr->u.num=transform_get_scale(this_->trans);
1864                 break;
1865         case attr_autozoom_active:
1866                 attr->u.num=this_->autozoom_active;
1867                 break;
1868         case attr_follow_cursor:
1869                 attr->u.num=this_->follow_cursor;
1870                 break;
1871         default:
1872                 return 0;
1873         }
1874         attr->type=type;
1875         return ret;
1876 }
1877
1878 static int
1879 navit_add_log(struct navit *this_, struct log *log)
1880 {
1881         struct attr type_attr;
1882         if (!log_get_attr(log, attr_type, &type_attr, NULL))
1883                 return 0;
1884         if (!strcmp(type_attr.u.str, "textfile_debug")) {
1885                 char *header = "type=track_tracked\n";
1886                 if (this_->textfile_debug_log)
1887                         return 0;
1888                 log_set_header(log, header, strlen(header));
1889                 this_->textfile_debug_log=log;
1890                 return 1;
1891         }
1892         return 0;
1893 }
1894
1895 int
1896 navit_add_attr(struct navit *this_, struct attr *attr)
1897 {
1898         int ret=1;
1899         switch (attr->type) {
1900         case attr_callback:
1901                 navit_add_callback(this_, attr->u.callback);
1902                 break;
1903         case attr_log:
1904                 ret=navit_add_log(this_, attr->u.log);
1905                 break;
1906         case attr_gui:
1907                 ret=navit_set_gui(this_, attr->u.gui);
1908                 break;
1909         case attr_graphics:
1910                 ret=navit_set_graphics(this_, attr->u.graphics);
1911                 break;
1912         case attr_layout:
1913                 this_->layouts = g_list_append(this_->layouts, attr->u.layout);
1914                 if(!this_->layout_current)
1915                         this_->layout_current=attr->u.layout;
1916                 break;
1917         case attr_route:
1918                 this_->route=attr->u.route;
1919                 break;
1920         case attr_mapset:
1921                 this_->mapsets = g_list_append(this_->mapsets, attr->u.mapset);
1922                 break;
1923         case attr_navigation:
1924                 this_->navigation=attr->u.navigation;
1925                 break;
1926         case attr_recent_dest:
1927                 this_->recentdest_count = attr->u.num;
1928                 break;
1929         case attr_speech:
1930                 this_->speech=attr->u.speech;
1931                 break;
1932         case attr_tracking:
1933                 this_->tracking=attr->u.tracking;
1934                 break;
1935         case attr_vehicle:
1936                 ret=navit_add_vehicle(this_, attr->u.vehicle);
1937                 break;
1938         case attr_vehicleprofile:
1939                 this_->vehicleprofiles=g_list_prepend(this_->vehicleprofiles, attr->u.vehicleprofile);
1940                 break;
1941         case attr_autozoom_min:
1942                 this_->autozoom_min = attr->u.num;
1943                 break;
1944         default:
1945                 return 0;
1946         }
1947         callback_list_call_attr_2(this_->attr_cbl, attr->type, this_, attr);
1948         return ret;
1949 }
1950
1951 int
1952 navit_remove_attr(struct navit *this_, struct attr *attr)
1953 {
1954         int ret=1;
1955         switch (attr->type) {
1956         case attr_callback:
1957                 navit_remove_callback(this_, attr->u.callback);
1958                 break;
1959         default:
1960                 return 0;
1961         }
1962         return ret;
1963 }
1964
1965 struct attr_iter *
1966 navit_attr_iter_new(void)
1967 {
1968         return g_new0(struct attr_iter, 1);
1969 }
1970
1971 void
1972 navit_attr_iter_destroy(struct attr_iter *iter)
1973 {
1974         g_free(iter);
1975 }
1976
1977 void
1978 navit_add_callback(struct navit *this_, struct callback *cb)
1979 {
1980         callback_list_add(this_->attr_cbl, cb);
1981 }
1982
1983 void
1984 navit_remove_callback(struct navit *this_, struct callback *cb)
1985 {
1986         callback_list_remove(this_->attr_cbl, cb);
1987 }
1988
1989 /**
1990  * Toggle the cursor update : refresh the map each time the cursor has moved (instead of only when it reaches a border)
1991  *
1992  * @param navit The navit instance
1993  * @returns nothing
1994  */
1995
1996 static void
1997 navit_vehicle_draw(struct navit *this_, struct navit_vehicle *nv, struct point *pnt)
1998 {
1999         struct point cursor_pnt;
2000         enum projection pro;
2001
2002         if (this_->blocked)
2003                 return;
2004         if (pnt)
2005                 cursor_pnt=*pnt;
2006         else {
2007                 pro=transform_get_projection(this_->trans);
2008                 transform(this_->trans, pro, &nv->coord, &cursor_pnt, 1, 0, 0, NULL);
2009         }
2010         vehicle_draw(nv->vehicle, this_->gra, &cursor_pnt, pnt ? 0:1, nv->dir-transform_get_yaw(this_->trans), nv->speed);
2011 #if 0
2012         if (pnt)
2013                 pnt2=*pnt;
2014         else {
2015                 pro=transform_get_projection(this_->trans);
2016                 transform(this_->trans, pro, &nv->coord, &pnt2, 1);
2017         }
2018 #if 1
2019         cursor_draw(nv->cursor, &pnt2, nv->dir-transform_get_angle(this_->trans, 0), nv->speed > 2, pnt == NULL);
2020 #else
2021         cursor_draw(nv->cursor, &pnt2, nv->dir-transform_get_angle(this_->trans, 0), nv->speed > 2, 1);
2022 #endif
2023 #endif
2024 }
2025
2026 static void
2027 navit_vehicle_update(struct navit *this_, struct navit_vehicle *nv)
2028 {
2029         struct attr attr_valid, attr_dir, attr_speed, attr_pos;
2030         struct pcoord cursor_pc;
2031         struct point cursor_pnt, *pnt=&cursor_pnt;
2032         struct tracking *tracking=NULL;
2033         struct pcoord pc[16];
2034         enum projection pro=transform_get_projection(this_->trans);
2035         int count,border=16;
2036         int (*get_attr)(void *, enum attr_type, struct attr *, struct attr_iter *);
2037         void *attr_object;
2038         char *destination_file;
2039
2040         profile(0,NULL);
2041         if (this_->ready != 3) {
2042                 profile(0,"return 1\n");
2043                 return;
2044         }
2045         navit_layout_switch(this_);
2046         if (this_->vehicle == nv && this_->tracking_flag)
2047                 tracking=this_->tracking;
2048         if (tracking) {
2049                 tracking_update(tracking, nv->vehicle, this_->vehicleprofile, pro);
2050                 attr_object=tracking;
2051                 get_attr=(int (*)(void *, enum attr_type, struct attr *, struct attr_iter *))tracking_get_attr;
2052         } else {
2053                 attr_object=nv->vehicle;
2054                 get_attr=(int (*)(void *, enum attr_type, struct attr *, struct attr_iter *))vehicle_get_attr;
2055         }
2056         if (get_attr(attr_object, attr_position_valid, &attr_valid, NULL))
2057                 if (!attr_valid.u.num != attr_position_valid_invalid)
2058                         return;
2059         if (! get_attr(attr_object, attr_position_direction, &attr_dir, NULL) ||
2060             ! get_attr(attr_object, attr_position_speed, &attr_speed, NULL) ||
2061             ! get_attr(attr_object, attr_position_coord_geo, &attr_pos, NULL)) {
2062                 profile(0,"return 2\n");
2063                 return;
2064         }
2065         nv->dir=*attr_dir.u.numd;
2066         nv->speed=*attr_speed.u.numd;
2067         transform_from_geo(pro, attr_pos.u.coord_geo, &nv->coord);
2068         if (nv != this_->vehicle) {
2069                 navit_vehicle_draw(this_, nv, NULL);
2070                 profile(0,"return 3\n");
2071                 return;
2072         }
2073         cursor_pc.x = nv->coord.x;
2074         cursor_pc.y = nv->coord.y;
2075         cursor_pc.pro = pro;
2076         if (this_->route) {
2077                 if (tracking)
2078                         route_set_position_from_tracking(this_->route, tracking, pro);
2079                 else
2080                         route_set_position(this_->route, &cursor_pc);
2081         }
2082         callback_list_call_attr_0(this_->attr_cbl, attr_position);
2083         navit_textfile_debug_log(this_, "type=trackpoint_tracked");
2084         if (this_->gui && nv->speed > 2)
2085                 navit_disable_suspend();
2086
2087         transform(this_->trans, pro, &nv->coord, &cursor_pnt, 1, 0, 0, NULL);
2088         if (this_->button_pressed != 1 && this_->follow_cursor && nv->follow_curr <= nv->follow &&
2089                 (nv->follow_curr == 1 || !transform_within_border(this_->trans, &cursor_pnt, border)))
2090                 navit_set_center_cursor_draw(this_);
2091         else
2092                 navit_vehicle_draw(this_, nv, pnt);
2093
2094         if (nv->follow_curr > 1)
2095                 nv->follow_curr--;
2096         else
2097                 nv->follow_curr=nv->follow;
2098         callback_list_call_attr_2(this_->attr_cbl, attr_position_coord_geo, this_, nv->vehicle);
2099
2100         /* Finally, if we reached our destination, stop navigation. */
2101         if (this_->route) {
2102                 switch(route_destination_reached(this_->route)) {
2103                 case 1:
2104                         route_remove_waypoint(this_->route);
2105                         count=route_get_destinations(this_->route, pc, 16);
2106                         destination_file = bookmarks_get_destination_file(TRUE);
2107                         bookmarks_append_coord(this_->bookmarks, destination_file, pc, count, "former_itinerary_part", NULL, NULL, this_->recentdest_count);
2108                         break;
2109                 case 2:
2110                         navit_set_destination(this_, NULL, NULL, 0);
2111                         break;
2112                 }
2113         }
2114         profile(0,"return 5\n");
2115 }
2116
2117 /**
2118  * Set the position of the vehicle
2119  *
2120  * @param navit The navit instance
2121  * @param c The coordinate to set as position
2122  * @returns nothing
2123  */
2124
2125 void
2126 navit_set_position(struct navit *this_, struct pcoord *c)
2127 {
2128         if (this_->route) {
2129                 route_set_position(this_->route, c);
2130                 callback_list_call_attr_0(this_->attr_cbl, attr_position);
2131         }
2132         if (this_->ready == 3)
2133                 navit_draw(this_);
2134 }
2135
2136 static int
2137 navit_set_vehicleprofile(struct navit *this_, char *name)
2138 {
2139         struct attr attr;
2140         GList *l;
2141         l=this_->vehicleprofiles;
2142         while (l) {
2143                 if (vehicleprofile_get_attr(l->data, attr_name, &attr, NULL)) {
2144                         if (!strcmp(attr.u.str, name)) {
2145                                 this_->vehicleprofile=l->data;
2146                                 if (this_->route)
2147                                         route_set_profile(this_->route, this_->vehicleprofile);
2148                                 return 1;
2149                         }
2150                 }
2151                 l=g_list_next(l);
2152         }
2153         return 0;
2154 }
2155
2156 static void
2157 navit_set_vehicle(struct navit *this_, struct navit_vehicle *nv)
2158 {
2159         struct attr attr;
2160         this_->vehicle=nv;
2161         if (nv && vehicle_get_attr(nv->vehicle, attr_profilename, &attr, NULL)) {
2162                 if (navit_set_vehicleprofile(this_, attr.u.str))
2163                         return;
2164         }
2165         if (!navit_set_vehicleprofile(this_,"car")) {
2166                 /* We do not have a fallback "car" profile
2167                 * so lets set any profile */
2168                 GList *l;
2169                 l=this_->vehicleprofiles;
2170                 if (l) {
2171                     this_->vehicleprofile=l->data;
2172                     if (this_->route)
2173                         route_set_profile(this_->route, this_->vehicleprofile);
2174                 }
2175         }
2176 }
2177
2178 /**
2179  * Register a new vehicle
2180  *
2181  * @param navit The navit instance
2182  * @param v The vehicle instance
2183  * @returns 1 for success
2184  */
2185 static int
2186 navit_add_vehicle(struct navit *this_, struct vehicle *v)
2187 {
2188         struct navit_vehicle *nv=g_new0(struct navit_vehicle, 1);
2189         struct attr follow, active, animate;
2190         nv->vehicle=v;
2191         nv->follow=0;
2192         nv->last.x = 0;
2193         nv->last.y = 0;
2194         nv->animate_cursor=0;
2195         if ((vehicle_get_attr(v, attr_follow, &follow, NULL)))
2196                 nv->follow=nv->follow=follow.u.num;
2197         nv->follow_curr=nv->follow;
2198         this_->vehicles=g_list_append(this_->vehicles, nv);
2199         if ((vehicle_get_attr(v, attr_active, &active, NULL)) && active.u.num)
2200                 navit_set_vehicle(this_, nv);
2201         if ((vehicle_get_attr(v, attr_animate, &animate, NULL)))
2202                 nv->animate_cursor=animate.u.num;
2203         nv->callback.type=attr_callback;
2204         nv->callback.u.callback=callback_new_attr_2(callback_cast(navit_vehicle_update), attr_position_coord_geo, this_, nv);
2205         vehicle_add_attr(nv->vehicle, &nv->callback);
2206         vehicle_set_attr(nv->vehicle, &this_->self);
2207         return 1;
2208 }
2209
2210
2211
2212
2213 struct gui *
2214 navit_get_gui(struct navit *this_)
2215 {
2216         return this_->gui;
2217 }
2218
2219 struct transformation *
2220 navit_get_trans(struct navit *this_)
2221 {
2222         return this_->trans;
2223 }
2224
2225 struct route *
2226 navit_get_route(struct navit *this_)
2227 {
2228         return this_->route;
2229 }
2230
2231 struct navigation *
2232 navit_get_navigation(struct navit *this_)
2233 {
2234         return this_->navigation;
2235 }
2236
2237 struct displaylist *
2238 navit_get_displaylist(struct navit *this_)
2239 {
2240         return this_->displaylist;
2241 }
2242
2243 void
2244 navit_layout_switch(struct navit *n)
2245 {
2246
2247     int currTs=0;
2248     struct attr iso8601_attr,geo_attr,valid_attr,layout_attr;
2249     double trise,tset,trise_actual;
2250     struct layout *l;
2251     int year, month, day;
2252
2253     if (navit_get_attr(n,attr_layout,&layout_attr,NULL)!=1) {
2254         return; //No layout - nothing to switch
2255     }
2256     if (!n->vehicle)
2257         return;
2258     l=layout_attr.u.layout;
2259
2260     if (l->dayname || l->nightname) {
2261         //Ok, we know that we have profile to switch
2262
2263         //Check that we aren't calculating too fast
2264         if (vehicle_get_attr(n->vehicle->vehicle, attr_position_time_iso8601,&iso8601_attr,NULL)==1) {
2265                 currTs=iso8601_to_secs(iso8601_attr.u.str);
2266                 dbg(1,"currTs: %u:%u\n",currTs%86400/3600,((currTs%86400)%3600)/60);
2267         }
2268         if (currTs-(n->prevTs)<60) {
2269             //We've have to wait a little
2270             return;
2271         }
2272         if (sscanf(iso8601_attr.u.str,"%d-%02d-%02dT",&year,&month,&day) != 3)
2273                 return;
2274         if (vehicle_get_attr(n->vehicle->vehicle, attr_position_coord_geo,&geo_attr,NULL)!=1) {
2275                 //No position - no sun
2276                 return;
2277         }
2278         if (vehicle_get_attr(n->vehicle->vehicle, attr_position_valid, &valid_attr,NULL) && valid_attr.u.num==attr_position_valid_invalid) {
2279                 return; //No valid fix yet
2280         }
2281
2282         //We calculate sunrise anyway, cause it is needed both for day and for night
2283         if (__sunriset__(year,month,day,geo_attr.u.coord_geo->lng,geo_attr.u.coord_geo->lat,-5,1,&trise,&tset)!=0) {
2284                 //near the pole sun never rises/sets, so we should never switch profiles
2285                 dbg(1,"trise: %u:%u, sun never visible, never switch profile\n",HOURS(trise),MINUTES(trise));
2286                 n->prevTs=currTs;
2287                 return;
2288             }
2289
2290         trise_actual=trise;
2291         dbg(1,"trise: %u:%u\n",HOURS(trise),MINUTES(trise));
2292         if (l->dayname) {
2293
2294             if ((HOURS(trise)*60+MINUTES(trise)==(currTs%86400)/60) ||
2295                     (n->prevTs==0 && ((HOURS(trise)*60+MINUTES(trise)<(currTs%86400)/60)))) {
2296                 //The sun is rising now!
2297                 if (strcmp(l->name,l->dayname)) {
2298                     navit_set_layout_by_name(n,l->dayname);
2299                 }
2300             }
2301         }
2302         if (l->nightname) {
2303             if (__sunriset__(year,month,day,geo_attr.u.coord_geo->lng,geo_attr.u.coord_geo->lat,-5,1,&trise,&tset)!=0) {
2304                 //near the pole sun never rises/sets, so we should never switch profiles
2305                 dbg(1,"tset: %u:%u, sun always visible, never switch profile\n",HOURS(tset),MINUTES(tset));
2306                 n->prevTs=currTs;
2307                 return;
2308             }
2309             dbg(1,"tset: %u:%u\n",HOURS(tset),MINUTES(tset));
2310             if (HOURS(tset)*60+MINUTES(tset)==((currTs%86400)/60)
2311                 || (n->prevTs==0 && (((HOURS(tset)*60+MINUTES(tset)<(currTs%86400)/60)) ||
2312                         ((HOURS(trise_actual)*60+MINUTES(trise_actual)>(currTs%86400)/60))))) {
2313                 //Time to sleep
2314                 if (strcmp(l->name,l->nightname)) {
2315                     navit_set_layout_by_name(n,l->nightname);
2316                 }
2317             }
2318         }
2319
2320         n->prevTs=currTs;
2321     }
2322 }
2323
2324 int
2325 navit_set_vehicle_by_name(struct navit *n,const char *name)
2326 {
2327     struct vehicle *v;
2328     struct attr_iter *iter;
2329     struct attr vehicle_attr, name_attr;
2330
2331         iter=navit_attr_iter_new();
2332
2333     while (navit_get_attr(n,attr_vehicle,&vehicle_attr,iter)) {
2334                 v=vehicle_attr.u.vehicle;
2335                 vehicle_get_attr(v,attr_name,&name_attr,NULL);
2336                 if (name_attr.type==attr_name) {
2337                         if (!strcmp(name,name_attr.u.str)) {
2338                                 navit_set_attr(n,&vehicle_attr);
2339                                 navit_attr_iter_destroy(iter);
2340                                 return 1;
2341                         }
2342                 }
2343         }
2344     navit_attr_iter_destroy(iter);
2345     return 0;
2346 }
2347
2348 int
2349 navit_set_layout_by_name(struct navit *n,const char *name)
2350 {
2351     struct layout *l;
2352     struct attr_iter iter;
2353     struct attr layout_attr;
2354
2355     iter.u.list=0x00;
2356
2357     if (navit_get_attr(n,attr_layout,&layout_attr,&iter)!=1) {
2358         return 0; //No layouts - nothing to do
2359     }
2360     if (iter.u.list==NULL) {
2361         return 0;
2362     }
2363
2364     iter.u.list=g_list_first(iter.u.list);
2365
2366     while(iter.u.list) {
2367         l=(struct layout*)iter.u.list->data;
2368         if (!strcmp(name,l->name)) {
2369             layout_attr.u.layout=l;
2370             layout_attr.type=attr_layout;
2371             navit_set_attr(n,&layout_attr);
2372             iter.u.list=g_list_first(iter.u.list);
2373             return 1;
2374         }
2375         iter.u.list=g_list_next(iter.u.list);
2376     }
2377
2378     iter.u.list=g_list_first(iter.u.list);
2379     return 0;
2380 }
2381
2382 void
2383 navit_disable_suspend() {
2384         gui_disable_suspend(global_navit->gui);
2385         callback_list_call_attr_0(global_navit->attr_cbl,attr_unsuspend);
2386 }
2387
2388 int
2389 navit_block(struct navit *this_, int block)
2390 {
2391         if (block > 0) {
2392                 this_->blocked |= 1;
2393                 if (graphics_draw_cancel(this_->gra, this_->displaylist))
2394                         this_->blocked |= 2;
2395                 return 0;
2396         }
2397         if ((this_->blocked & 2) || block < 0) {
2398                 this_->blocked=0;
2399                 navit_draw(this_);
2400                 return 1;
2401         }
2402         this_->blocked=0;
2403         return 0;
2404 }
2405
2406 void
2407 navit_destroy(struct navit *this_)
2408 {
2409         /* TODO: destroy objects contained in this_ */
2410         if (this_->vehicle)
2411                 vehicle_destroy(this_->vehicle->vehicle);
2412         if (this_->bookmarks) {
2413                 char *center_file = bookmarks_get_center_file(TRUE);
2414                 bookmarks_write_center_to_file(this_->bookmarks, center_file);
2415                 g_free(center_file);
2416                 bookmarks_destroy(this_->bookmarks);
2417         }
2418         callback_destroy(this_->nav_speech_cb);
2419         callback_destroy(this_->roadbook_callback);
2420         callback_destroy(this_->popup_callback);
2421         callback_destroy(this_->motion_timeout_callback);
2422         if(this_->gra)
2423           graphics_remove_callback(this_->gra, this_->resize_callback);
2424         callback_destroy(this_->resize_callback);
2425         if(this_->gra)
2426           graphics_remove_callback(this_->gra, this_->button_callback);
2427         callback_destroy(this_->button_callback);
2428         if(this_->gra)
2429           graphics_remove_callback(this_->gra, this_->motion_callback);
2430         callback_destroy(this_->motion_callback);
2431         route_destroy(this_->route);
2432         g_free(this_);
2433 }
2434
2435 /** @} */