git.maemo.org Git - navit-package/blob - 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
  65 /**
  66  * @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
  67  * @{
  68  */
  69
  70 //! The navit_vehicule
  71 struct navit_vehicle {
  72         int follow;
  73         /*! Limit of the follow counter. See navit_add_vehicle */
  74         int follow_curr;
  75         /*! Deprecated : follow counter itself. When it reaches 'update' counts, map is recentered*/
  76         struct coord coord;
  77         int dir;
  78         int speed;
  79         struct coord last; /*< Position of the last update of this vehicle */
  80         struct vehicle *vehicle;
  81         struct attr callback;
  82         int animate_cursor;
  83 };
  84
  85 struct navit {
  86         struct attr self;
  87         GList *mapsets;
  88         GList *layouts;
  89         struct gui *gui;
  90         struct layout *layout_current;
  91         struct graphics *gra;
  92         struct action *action;
  93         struct transformation *trans;
  94         struct compass *compass;
  95         struct route *route;
  96         struct navigation *navigation;
  97         struct speech *speech;
  98         struct tracking *tracking;
  99         int ready;
 100         struct window *win;
 101         struct displaylist *displaylist;
 102         int tracking_flag;
 103         int orientation;
 104         int recentdest_count;
 105         int osd_configuration;
 106         GList *vehicles;
 107         GList *windows_items;
 108         struct navit_vehicle *vehicle;
 109         struct callback_list *attr_cbl;
 110         struct callback *nav_speech_cb, *roadbook_callback, *popup_callback, *route_cb;
 111         struct datawindow *roadbook_window;
 112         struct map *bookmark;
 113         struct map *former_destination;
 114         GHashTable *bookmarks_hash;
 115         struct point pressed, last, current;
 116         int button_pressed,moved,popped,zoomed;
 117         int center_timeout;
 118         int autozoom_secs;
 119         int autozoom_min;
 120         int autozoom_active;
 121         struct event_timeout *button_timeout, *motion_timeout;
 122         struct callback *motion_timeout_callback;
 123         int ignore_button;
 124         int ignore_graphics_events;
 125         struct log *textfile_debug_log;
 126         struct pcoord destination;
 127         int destination_valid;
 128         int blocked;
 129         int w,h;
 130         int drag_bitmap;
 131         int use_mousewheel;
 132         struct messagelist *messages;
 133         struct callback *resize_callback,*button_callback,*motion_callback;
 134         struct vehicleprofile *vehicleprofile;
 135         GList *vehicleprofiles;
 136         int pitch;
 137         int follow_cursor;
 138         int prevTs;
 139         int graphics_flags;
 140 };
 141
 142 struct gui *main_loop_gui;
 143
 144 struct attr_iter {
 145         union {
 146                 GList *list;
 147                 struct mapset_handle *mapset_handle;
 148         } u;
 149 };
 150
 151 static void navit_vehicle_update(struct navit *this_, struct navit_vehicle *nv);
 152 static void navit_vehicle_draw(struct navit *this_, struct navit_vehicle *nv, struct point *pnt);
 153 static int navit_add_vehicle(struct navit *this_, struct vehicle *v);
 154 static int navit_set_attr_do(struct navit *this_, struct attr *attr, int init);
 155 static int navit_get_cursor_pnt(struct navit *this_, struct point *p, int *dir);
 156 static void navit_set_cursors(struct navit *this_);
 157 static void navit_cmd_zoom_to_route(struct navit *this);
 158 static void navit_cmd_set_center_cursor(struct navit *this_);
 159 static void navit_cmd_announcer_toggle(struct navit *this_);
 160 static void navit_set_vehicle(struct navit *this_, struct navit_vehicle *nv);
 161
 162 void
 163 navit_add_mapset(struct navit *this_, struct mapset *ms)
 164 {
 165         this_->mapsets = g_list_append(this_->mapsets, ms);
 166 }
 167
 168 struct mapset *
 169 navit_get_mapset(struct navit *this_)
 170 {
 171         if(this_->mapsets){
 172                 return this_->mapsets->data;
 173         } else {
 174                 dbg(0,"No mapsets enabled! Is it on purpose? Navit can't draw a map. Please check your navit.xml\n");
 175         }
 176         return NULL;
 177 }
 178
 179 struct tracking *
 180 navit_get_tracking(struct navit *this_)
 181 {
 182         return this_->tracking;
 183 }
 184
 185 static void
 186 navit_draw_async(struct navit *this_, int async)
 187 {
 188         GList *l;
 189         struct navit_vehicle *nv;
 190
 191         if (this_->blocked) {
 192                 this_->blocked |= 2;
 193                 return;
 194         }
 195         transform_setup_source_rect(this_->trans);
 196         l=this_->vehicles;
 197         while (l) {
 198                 nv=l->data;
 199                 navit_vehicle_draw(this_, nv, NULL);
 200                 l=g_list_next(l);
 201         }
 202         graphics_draw(this_->gra, this_->displaylist, this_->mapsets->data, this_->trans, this_->layout_current, async, NULL, this_->graphics_flags|1);
 203 }
 204
 205 void
 206 navit_draw(struct navit *this_)
 207 {
 208         navit_draw_async(this_, 0);
 209 }
 210
 211 int
 212 navit_get_ready(struct navit *this_)
 213 {
 214         return this_->ready;
 215 }
 216
 217
 218
 219 void
 220 navit_draw_displaylist(struct navit *this_)
 221 {
 222         if (this_->ready == 3)
 223                 graphics_displaylist_draw(this_->gra, this_->displaylist, this_->trans, this_->layout_current, this_->graphics_flags|1);
 224 }
 225
 226 static void
 227 navit_redraw_route(struct navit *this_, struct route *route, struct attr *attr)
 228 {
 229         int updated;
 230         if (attr->type != attr_route_status)
 231                 return;
 232         updated=attr->u.num;
 233         if (this_->ready != 3)
 234                 return;
 235         if (updated != route_status_path_done_new)
 236                 return;
 237         if (this_->vehicle) {
 238                 if (this_->vehicle->follow_curr == 1)
 239                         return;
 240                 if (this_->vehicle->follow_curr <= this_->vehicle->follow)
 241                         this_->vehicle->follow_curr=this_->vehicle->follow;
 242         }
 243         navit_draw(this_);
 244 }
 245
 246 void
 247 navit_handle_resize(struct navit *this_, int w, int h)
 248 {
 249         struct map_selection sel;
 250         int callback=(this_->ready == 1);
 251         this_->ready |= 2;
 252         if (this_->w != w || this_->h != h) {
 253                 memset(&sel, 0, sizeof(sel));
 254                 this_->w=w;
 255                 this_->h=h;
 256                 sel.u.p_rect.rl.x=w;
 257                 sel.u.p_rect.rl.y=h;
 258                 transform_set_screen_selection(this_->trans, &sel);
 259                 graphics_init(this_->gra);
 260                 graphics_set_rect(this_->gra, &sel.u.p_rect);
 261         }
 262         if (this_->ready == 3)
 263                 navit_draw(this_);
 264         if (callback)
 265                 callback_list_call_attr_1(this_->attr_cbl, attr_graphics_ready, this_);
 266 }
 267
 268 static void
 269 navit_resize(void *data, int w, int h)
 270 {
 271         struct navit *this=data;
 272         if (!this->ignore_graphics_events)
 273                 navit_handle_resize(this, w, h);
 274 }
 275
 276 int
 277 navit_get_width(struct navit *this_)
 278 {
 279         return this_->w;
 280 }
 281
 282
 283 int
 284 navit_get_height(struct navit *this_)
 285 {
 286         return this_->h;
 287 }
 288
 289 static void
 290 navit_popup(void *data)
 291 {
 292         struct navit *this_=data;
 293         popup(this_, 1, &this_->pressed);
 294         this_->button_timeout=NULL;
 295         this_->popped=1;
 296 }
 297
 298
 299 int
 300 navit_ignore_button(struct navit *this_)
 301 {
 302         if (this_->ignore_button)
 303                 return 1;
 304         this_->ignore_button=1;
 305         return 0;
 306 }
 307
 308 void
 309 navit_ignore_graphics_events(struct navit *this_, int ignore)
 310 {
 311         this_->ignore_graphics_events=ignore;
 312 }
 313
 314 static void
 315 update_transformation(struct transformation *tr, struct point *old, struct point *new, struct point *rot)
 316 {
 317         struct coord co,cn;
 318         struct coord c,*cp;
 319         int yaw;
 320         double angleo,anglen;
 321
 322         if (!transform_reverse(tr, old, &co))
 323                 return;
 324         if (rot) {
 325                 angleo=atan2(old->y-rot->y, old->x-rot->x)*180/M_PI;
 326                 anglen=atan2(new->y-rot->y, new->x-rot->x)*180/M_PI;
 327                 yaw=transform_get_yaw(tr)+angleo-anglen;
 328                 transform_set_yaw(tr, yaw % 360);
 329         }
 330         if (!transform_reverse(tr, new, &cn))
 331                 return;
 332         cp=transform_get_center(tr);
 333         c.x=cp->x+co.x-cn.x;
 334         c.y=cp->y+co.y-cn.y;
 335         dbg(1,"from 0x%x,0x%x to 0x%x,0x%x\n", cp->x, cp->y, c.x, c.y);
 336         transform_set_center(tr, &c);
 337 }
 338
 339 static void
 340 navit_set_timeout(struct navit *this_)
 341 {
 342         struct attr follow;
 343         follow.type=attr_follow;
 344         follow.u.num=this_->center_timeout;
 345         navit_set_attr(this_, &follow);
 346 }
 347
 348 int
 349 navit_handle_button(struct navit *this_, int pressed, int button, struct point *p, struct callback *popup_callback)
 350 {
 351         int border=16;
 352
 353         callback_list_call_attr_4(this_->attr_cbl, attr_button, this_, GINT_TO_POINTER(pressed), GINT_TO_POINTER(button), p);
 354         if (this_->ignore_button) {
 355                 this_->ignore_button=0;
 356                 return 0;
 357         }
 358         if (pressed) {
 359                 this_->pressed=*p;
 360                 this_->last=*p;
 361                 this_->zoomed=0;
 362                 if (button == 1) {
 363                         this_->button_pressed=1;
 364                         this_->moved=0;
 365                         this_->popped=0;
 366                         if (popup_callback)
 367                                 this_->button_timeout=event_add_timeout(500, 0, popup_callback);
 368                 }
 369                 if (button == 2)
 370                         navit_set_center_screen(this_, p, 1);
 371                 if (button == 3)
 372                         popup(this_, button, p);
 373                 if (button == 4 && this_->use_mousewheel) {
 374                         this_->zoomed = 1;
 375                         navit_zoom_in(this_, 2, p);
 376                 }
 377                 if (button == 5 && this_->use_mousewheel) {
 378                         this_->zoomed = 1;
 379                         navit_zoom_out(this_, 2, p);
 380                 }
 381         } else {
 382
 383                 this_->button_pressed=0;
 384                 if (this_->button_timeout) {
 385                         event_remove_timeout(this_->button_timeout);
 386                         this_->button_timeout=NULL;
 387                         if (! this_->moved && ! transform_within_border(this_->trans, p, border)) {
 388                                 navit_set_center_screen(this_, p, !this_->zoomed);
 389                         }
 390                 }
 391                 if (this_->motion_timeout) {
 392                         event_remove_timeout(this_->motion_timeout);
 393                         this_->motion_timeout=NULL;
 394                 }
 395                 if (this_->moved) {
 396                         struct point pr;
 397                         pr.x=this_->w/2;
 398                         pr.y=this_->h;
 399 #if 0
 400                         update_transformation(this_->trans, &this_->pressed, p, &pr);
 401 #else
 402                         update_transformation(this_->trans, &this_->pressed, p, NULL);
 403 #endif
 404                         graphics_draw_drag(this_->gra, NULL);
 405                         graphics_overlay_disable(this_->gra, 0);
 406                         if (!this_->zoomed)
 407                                 navit_set_timeout(this_);
 408                         navit_draw(this_);
 409                 } else
 410                         return 1;
 411         }
 412         return 0;
 413 }
 414
 415 static void
 416 navit_button(void *data, int pressed, int button, struct point *p)
 417 {
 418         struct navit *this=data;
 419         if (!this->ignore_graphics_events) {
 420                 if (! this->popup_callback)
 421                         this->popup_callback=callback_new_1(callback_cast(navit_popup), this);
 422                 navit_handle_button(this, pressed, button, p, this->popup_callback);
 423         }
 424 }
 425
 426
 427 static void
 428 navit_motion_timeout(struct navit *this_)
 429 {
 430         int dx, dy;
 431
 432         if (this_->drag_bitmap) {
 433                 struct point point;
 434                 point.x=(this_->current.x-this_->pressed.x);
 435                 point.y=(this_->current.y-this_->pressed.y);
 436                 if (graphics_draw_drag(this_->gra, &point)) {
 437                         graphics_overlay_disable(this_->gra, 1);
 438                         graphics_draw_mode(this_->gra, draw_mode_end);
 439                         this_->moved=1;
 440                         this_->motion_timeout=NULL;
 441                         return;
 442                 }
 443         }
 444         dx=(this_->current.x-this_->last.x);
 445         dy=(this_->current.y-this_->last.y);
 446         if (dx || dy) {
 447                 struct transformation *tr;
 448                 struct point pr;
 449                 this_->last=this_->current;
 450                 graphics_overlay_disable(this_->gra, 1);
 451                 tr=transform_dup(this_->trans);
 452                 pr.x=this_->w/2;
 453                 pr.y=this_->h;
 454 #if 0
 455                 update_transformation(tr, &this_->pressed, &this_->current, &pr);
 456 #else
 457                 update_transformation(tr, &this_->pressed, &this_->current, NULL);
 458 #endif
 459 #if 0
 460                 graphics_displaylist_move(this_->displaylist, dx, dy);
 461 #endif
 462                 graphics_draw_cancel(this_->gra, this_->displaylist);
 463                 graphics_displaylist_draw(this_->gra, this_->displaylist, tr, this_->layout_current, this_->graphics_flags);
 464                 transform_destroy(tr);
 465                 this_->moved=1;
 466         }
 467         this_->motion_timeout=NULL;
 468         return;
 469 }
 470
 471 void
 472 navit_handle_motion(struct navit *this_, struct point *p)
 473 {
 474         int dx, dy;
 475
 476         if (this_->button_pressed && !this_->popped) {
 477                 dx=(p->x-this_->pressed.x);
 478                 dy=(p->y-this_->pressed.y);
 479                 if (dx < -8 || dx > 8 || dy < -8 || dy > 8) {
 480                         if (this_->button_timeout) {
 481                                 event_remove_timeout(this_->button_timeout);
 482                                 this_->button_timeout=NULL;
 483                         }
 484                         this_->current=*p;
 485                         if (! this_->motion_timeout_callback)
 486                                 this_->motion_timeout_callback=callback_new_1(callback_cast(navit_motion_timeout), this_);
 487                         if (! this_->motion_timeout)
 488                                 this_->motion_timeout=event_add_timeout(100, 0, this_->motion_timeout_callback);
 489                 }
 490         }
 491 }
 492
 493 static void
 494 navit_motion(void *data, struct point *p)
 495 {
 496         struct navit *this=data;
 497         if (!this->ignore_graphics_events)
 498                 navit_handle_motion(this, p);
 499 }
 500
 501 static void
 502 navit_scale(struct navit *this_, long scale, struct point *p, int draw)
 503 {
 504         struct coord c1, c2, *center;
 505         if (p)
 506                 transform_reverse(this_->trans, p, &c1);
 507         transform_set_scale(this_->trans, scale);
 508         if (p) {
 509                 transform_reverse(this_->trans, p, &c2);
 510                 center = transform_center(this_->trans);
 511                 center->x += c1.x - c2.x;
 512                 center->y += c1.y - c2.y;
 513         }
 514         if (draw)
 515                 navit_draw(this_);
 516 }
 517
 518 /**
 519  * @brief Automatically adjusts zoom level
 520  *
 521  * This function automatically adjusts the current
 522  * zoom level according to the current speed.
 523  *
 524  * @param this_ The navit struct
 525  * @param center The "immovable" point - i.e. the vehicles position if we're centering on the vehicle
 526  * @param speed The vehicles speed in meters per second
 527  * @param dir The direction into which the vehicle moves
 528  */
 529 static void
 530 navit_autozoom(struct navit *this_, struct coord *center, int speed, int draw)
 531 {
 532         struct point pc;
 533         int distance,w,h;
 534         double new_scale;
 535         long scale;
 536
 537         if (! this_->autozoom_active) {
 538                 return;
 539         }
 540
 541         distance = speed * this_->autozoom_secs;
 542
 543         transform_get_size(this_->trans, &w, &h);
 544         transform(this_->trans, transform_get_projection(this_->trans), center, &pc, 1, 0, 0, NULL);
 545         scale = transform_get_scale(this_->trans);
 546
 547         /* We make sure that the point we want to see is within a certain range
 548          * around the vehicle. The radius of this circle is the size of the
 549          * screen. This doesn't necessarily mean the point is visible because of
 550          * perspective etc. Quite rough, but should be enough. */
 551
 552         if (w > h) {
 553                 new_scale = (double)distance / h * 16;
 554         } else {
 555                 new_scale = (double)distance / w * 16;
 556         }
 557
 558         if (abs(new_scale - scale) < 2) {
 559                 return; // Smoothing
 560         }
 561
 562         if (new_scale >= this_->autozoom_min) {
 563                 navit_scale(this_, (long)new_scale, &pc, 0);
 564         } else {
 565                 if (scale != this_->autozoom_min) {
 566                         navit_scale(this_, this_->autozoom_min, &pc, 0);
 567                 }
 568         }
 569 }
 570
 571 /**
 572  * Change the current zoom level, zooming closer to the ground
 573  *
 574  * @param navit The navit instance
 575  * @param factor The zoom factor, usually 2
 576  * @param p The invariant point (if set to NULL, default to center)
 577  * @returns nothing
 578  */
 579 void
 580 navit_zoom_in(struct navit *this_, int factor, struct point *p)
 581 {
 582         long scale=transform_get_scale(this_->trans)/factor;
 583         if (scale < 1)
 584                 scale=1;
 585         navit_scale(this_, scale, p, 1);
 586 }
 587
 588 /**
 589  * Change the current zoom level
 590  *
 591  * @param navit The navit instance
 592  * @param factor The zoom factor, usually 2
 593  * @param p The invariant point (if set to NULL, default to center)
 594  * @returns nothing
 595  */
 596 void
 597 navit_zoom_out(struct navit *this_, int factor, struct point *p)
 598 {
 599         long scale=transform_get_scale(this_->trans)*factor;
 600         navit_scale(this_, scale, p, 1);
 601 }
 602
 603 static int
 604 navit_cmd_zoom_in(struct navit *this_)
 605 {
 606         struct point p;
 607         if (this_->vehicle && this_->vehicle->follow_curr == 1 && navit_get_cursor_pnt(this_, &p, NULL)) {
 608                 navit_zoom_in(this_, 2, &p);
 609                 this_->vehicle->follow_curr=this_->vehicle->follow;
 610         } else
 611                 navit_zoom_in(this_, 2, NULL);
 612         return 0;
 613 }
 614
 615 static int
 616 navit_cmd_zoom_out(struct navit *this_)
 617 {
 618         struct point p;
 619         if (this_->vehicle && this_->vehicle->follow_curr == 1 && navit_get_cursor_pnt(this_, &p, NULL)) {
 620                 navit_zoom_out(this_, 2, &p);
 621                 this_->vehicle->follow_curr=this_->vehicle->follow;
 622         } else
 623                 navit_zoom_out(this_, 2, NULL);
 624         return 0;
 625 }
 626
 627 static struct command_table commands[] = {
 628         {"zoom_in",command_cast(navit_cmd_zoom_in)},
 629         {"zoom_out",command_cast(navit_cmd_zoom_out)},
 630         {"zoom_to_route",command_cast(navit_cmd_zoom_to_route)},
 631         {"set_center_cursor",command_cast(navit_cmd_set_center_cursor)},
 632         {"announcer_toggle",command_cast(navit_cmd_announcer_toggle)},
 633 };
 634
 635
 636 struct navit *
 637 navit_new(struct attr *parent, struct attr **attrs)
 638 {
 639         struct navit *this_=g_new0(struct navit, 1);
 640         struct pcoord center;
 641         struct coord co;
 642         struct coord_geo g;
 643         enum projection pro=projection_mg;
 644         int zoom = 256;
 645         g.lat=53.13;
 646         g.lng=11.70;
 647
 648         this_->self.type=attr_navit;
 649         this_->self.u.navit=this_;
 650         this_->attr_cbl=callback_list_new();
 651
 652         this_->bookmarks_hash=g_hash_table_new_full(g_str_hash, g_str_equal, g_free, NULL);
 653
 654         this_->orientation=-1;
 655         this_->tracking_flag=1;
 656         this_->recentdest_count=10;
 657         this_->osd_configuration=-1;
 658
 659         this_->center_timeout = 10;
 660         this_->use_mousewheel = 1;
 661         this_->autozoom_secs = 10;
 662         this_->autozoom_min = 7;
 663         this_->autozoom_active = 0;
 664         this_->follow_cursor = 1;
 665
 666         this_->trans = transform_new();
 667         transform_from_geo(pro, &g, &co);
 668         center.x=co.x;
 669         center.y=co.y;
 670         center.pro = pro;
 671
 672         this_->prevTs=0;
 673
 674         transform_setup(this_->trans, &center, zoom, (this_->orientation != -1) ? this_->orientation : 0);
 675         for (;*attrs; attrs++) {
 676                 navit_set_attr_do(this_, *attrs, 1);
 677         }
 678         this_->displaylist=graphics_displaylist_new();
 679         command_add_table(this_->attr_cbl, commands, sizeof(commands)/sizeof(struct command_table), this_);
 680
 681         this_->messages = messagelist_new(attrs);
 682
 683         return this_;
 684 }
 685
 686 static int
 687 navit_set_gui(struct navit *this_, struct gui *gui)
 688 {
 689         if (this_->gui)
 690                 return 0;
 691         this_->gui=gui;
 692         if (gui_has_main_loop(this_->gui)) {
 693                 if (! main_loop_gui) {
 694                         main_loop_gui=this_->gui;
 695                 } else {
 696                         dbg(0,"gui with main loop already active, ignoring this instance");
 697                         return 0;
 698                 }
 699         }
 700         return 1;
 701 }
 702
 703 void
 704 navit_add_message(struct navit *this_, char *message)
 705 {
 706         message_new(this_->messages, message);
 707 }
 708
 709 struct message
 710 *navit_get_messages(struct navit *this_)
 711 {
 712         return message_get(this_->messages);
 713 }
 714
 715 static int
 716 navit_set_graphics(struct navit *this_, struct graphics *gra)
 717 {
 718         if (this_->gra)
 719                 return 0;
 720         this_->gra=gra;
 721         this_->resize_callback=callback_new_attr_1(callback_cast(navit_resize), attr_resize, this_);
 722         graphics_add_callback(gra, this_->resize_callback);
 723         this_->button_callback=callback_new_attr_1(callback_cast(navit_button), attr_button, this_);
 724         graphics_add_callback(gra, this_->button_callback);
 725         this_->motion_callback=callback_new_attr_1(callback_cast(navit_motion), attr_motion, this_);
 726         graphics_add_callback(gra, this_->motion_callback);
 727         return 1;
 728 }
 729
 730 struct graphics *
 731 navit_get_graphics(struct navit *this_)
 732 {
 733         return this_->gra;
 734 }
 735
 736 struct vehicleprofile *
 737 navit_get_vehicleprofile(struct navit *this_)
 738 {
 739         return this_->vehicleprofile;
 740 }
 741
 742 GList *
 743 navit_get_vehicleprofiles(struct navit *this_)
 744 {
 745         return this_->vehicleprofiles;
 746 }
 747
 748 static void
 749 navit_projection_set(struct navit *this_, enum projection pro)
 750 {
 751         struct coord_geo g;
 752         struct coord *c;
 753
 754         c=transform_center(this_->trans);
 755         transform_to_geo(transform_get_projection(this_->trans), c, &g);
 756         transform_set_projection(this_->trans, pro);
 757         transform_from_geo(pro, &g, c);
 758         navit_draw(this_);
 759 }
 760
 761 /**
 762  * @param limit Limits the number of entries in the "backlog". Set to 0 for "infinite"
 763  */
 764 static void
 765 navit_append_coord(struct navit *this_, char *file, struct pcoord *c, const char *type, const char *description, GHashTable *h, int limit)
 766 {
 767         FILE *f;
 768         int offset=0;
 769         char *buffer;
 770         int ch,prev,lines=0;
 771         int numc,readc;
 772         int fd;
 773         const char *prostr;
 774
 775         f=fopen(file, "r");
 776         if (!f)
 777                 goto new_file;
 778         if (limit != 0) {
 779                 prev = '\n';
 780                 while ((ch = fgetc(f)) != EOF) {
 781                         if ((ch == '\n') && (prev != '\n')) {
 782                                 lines++;
 783                         }
 784                         prev = ch;
 785                 }
 786
 787                 if (prev != '\n') { // Last line did not end with a newline
 788                         lines++;
 789                 }
 790
 791                 fclose(f);
 792                 f = fopen(file, "r+");
 793                 fd = fileno(f);
 794                 while (lines >= limit) { // We have to "scroll up"
 795                         rewind(f);
 796                         numc = 0; // Counts how many bytes we have in our line to scroll up
 797                         while ((ch = fgetc(f)) != EOF) {
 798                                 numc++;
 799                                 if (ch == '\n') {
 800                                         break;
 801                                 }
 802                         }
 803
 804                         buffer=g_malloc(numc);
 805                         offset = numc; // Offset holds where we currently are
 806
 807                         do {
 808                                 fseek(f,offset,SEEK_SET);
 809                                 readc = fread(buffer,1,numc,f);
 810
 811                                 fseek(f,-(numc+readc),SEEK_CUR);
 812                                 fwrite(buffer,1,readc,f);
 813
 814                                 offset += readc;
 815                         } while (readc == numc);
 816
 817                         g_free(buffer);
 818                         fflush(f);
 819                         ftruncate(fd,(offset-numc));
 820 #ifdef HAVE_FSYNC
 821                         fsync(fd);
 822 #endif
 823
 824                         lines--;
 825                 }
 826                 fclose(f);
 827         }
 828
 829 new_file:
 830         f=fopen(file, "a");
 831         if (f) {
 832                 if (c) {
 833                         prostr = projection_to_name(c->pro,NULL);
 834                         fprintf(f,"%s%s%s0x%x %s0x%x type=%s label=\"%s\"\n",
 835                                  prostr, *prostr ? ":" : "",
 836                                  c->x >= 0 ? "":"-", c->x >= 0 ? c->x : -c->x,
 837                                  c->y >= 0 ? "":"-", c->y >= 0 ? c->y : -c->y,
 838                                  type, description);
 839                 } else
 840                         fprintf(f,"\n");
 841         }
 842         fclose(f);
 843 }
 844
 845 /*
 846  * navit_get_user_data_directory
 847  *
 848  * returns the directory used to store user data files (center.txt,
 849  * destination.txt, bookmark.txt, ...)
 850  *
 851  * arg: gboolean create: create the directory if it does not exist
 852  */
 853 static char*
 854 navit_get_user_data_directory(gboolean create) {
 855         char *dir;
 856         dir = getenv("NAVIT_USER_DATADIR");
 857         if (create && !file_exists(dir)) {
 858                 dbg(0,"creating dir %s\n", dir);
 859                 if (file_mkdir(dir,0)) {
 860                         dbg(0,"failed creating dir %s\n", dir);
 861                         return NULL;
 862                 }
 863         }
 864
 865         return dir;
 866 }
 867
 868 /*
 869  * navit_get_destination_file
 870  *
 871  * returns the name of the file used to store destinations with its
 872  * full path
 873  *
 874  * arg: gboolean create: create the directory where the file is stored
 875  * if it does not exist
 876  */
 877 static char*
 878 navit_get_destination_file(gboolean create)
 879 {
 880         return g_strjoin(NULL, navit_get_user_data_directory(create), "/destination.txt", NULL);
 881 }
 882
 883 /*
 884  * navit_get_bookmark_file
 885  *
 886  * returns the name of the file used to store bookmarks with its
 887  * full path
 888  *
 889  * arg: gboolean create: create the directory where the file is stored
 890  * if it does not exist
 891  */
 892 static char*
 893 navit_get_bookmark_file(gboolean create)
 894 {
 895         return g_strjoin(NULL, navit_get_user_data_directory(create), "/bookmark.txt", NULL);
 896 }
 897
 898
 899 /*
 900  * navit_get_bookmark_file
 901  *
 902  * returns the name of the file used to store the center file  with its
 903  * full path
 904  *
 905  * arg: gboolean create: create the directory where the file is stored
 906  * if it does not exist
 907  */
 908 static char*
 909 navit_get_center_file(gboolean create)
 910 {
 911         return g_strjoin(NULL, navit_get_user_data_directory(create), "/center.txt", NULL);
 912 }
 913
 914 static void
 915 navit_set_center_from_file(struct navit *this_, char *file)
 916 {
 917 #ifndef HAVE_API_ANDROID
 918         FILE *f;
 919         char *line = NULL;
 920
 921         size_t line_size = 0;
 922         enum projection pro;
 923         struct coord *center;
 924
 925         f = fopen(file, "r");
 926         if (! f)
 927                 return;
 928         getline(&line, &line_size, f);
 929         fclose(f);
 930         if (line) {
 931                 center = transform_center(this_->trans);
 932                 pro = transform_get_projection(this_->trans);
 933                 coord_parse(g_strchomp(line), pro, center);
 934                 free(line);
 935         }
 936         return;
 937 #endif
 938 }
 939
 940 static void
 941 navit_write_center_to_file(struct navit *this_, char *file)
 942 {
 943         FILE *f;
 944         enum projection pro;
 945         struct coord *center;
 946
 947         f = fopen(file, "w+");
 948         if (f) {
 949                 center = transform_center(this_->trans);
 950                 pro = transform_get_projection(this_->trans);
 951                 coord_print(pro, center, f);
 952                 fclose(f);
 953         } else {
 954                 perror(file);
 955         }
 956         return;
 957 }
 958
 959
 960 /**
 961  * Start the route computing to a given set of coordinates
 962  *
 963  * @param navit The navit instance
 964  * @param c The coordinate to start routing to
 965  * @param description A label which allows the user to later identify this destination in the former destinations selection
 966  * @returns nothing
 967  */
 968 void
 969 navit_set_destination(struct navit *this_, struct pcoord *c, const char *description, int async)
 970 {
 971         if (c) {
 972                 this_->destination=*c;
 973                 this_->destination_valid=1;
 974         } else
 975                 this_->destination_valid=0;
 976         char *destination_file = navit_get_destination_file(TRUE);
 977         navit_append_coord(this_, destination_file, c, "former_destination", description, NULL, this_->recentdest_count);
 978         g_free(destination_file);
 979         callback_list_call_attr_0(this_->attr_cbl, attr_destination);
 980         if (this_->route) {
 981                 route_set_destination(this_->route, c, async);
 982
 983                 if (this_->ready == 3)
 984                         navit_draw(this_);
 985         }
 986 }
 987
 988 /**
 989  * @brief Checks if a route is calculated
 990  *
 991  * This function checks if a route is calculated.
 992  *
 993  * @param this_ The navit struct whose route should be checked.
 994  * @return True if the route is set, false otherwise.
 995  */
 996 int
 997 navit_check_route(struct navit *this_)
 998 {
 999         if (this_->route) {
1000                 return route_get_path_set(this_->route);
1001         }
1002
1003         return 0;
1004 }
1005
1006 /**
1007  * Record the given set of coordinates as a bookmark
1008  *
1009  * @param navit The navit instance
1010  * @param c The coordinate to store
1011  * @param description A label which allows the user to later identify this bookmark
1012  * @returns nothing
1013  */
1014 void
1015 navit_add_bookmark(struct navit *this_, struct pcoord *c, const char *description)
1016 {
1017         char *bookmark_file = navit_get_bookmark_file(TRUE);
1018         navit_append_coord(this_,bookmark_file, c, "bookmark", description, this_->bookmarks_hash,0);
1019         g_free(bookmark_file);
1020
1021         callback_list_call_attr_0(this_->attr_cbl, attr_bookmark_map);
1022 }
1023
1024 struct navit *global_navit;
1025
1026 static void
1027 navit_add_bookmarks_from_file(struct navit *this_)
1028 {
1029         char *bookmark_file = navit_get_bookmark_file(FALSE);
1030         struct attr parent={attr_navit, .u.navit=this_};
1031         struct attr type={attr_type, {"textfile"}}, data={attr_data, {bookmark_file}};
1032         struct attr *attrs[]={&type, &data, NULL};
1033
1034         this_->bookmark=map_new(&parent, attrs);
1035         g_free(bookmark_file);
1036 }
1037
1038 static int
1039 navit_former_destinations_active(struct navit *this_)
1040 {
1041         char *destination_file = navit_get_destination_file(FALSE);
1042         FILE *f;
1043         int active=0;
1044         char buffer[3];
1045         f=fopen(destination_file,"r");
1046         if (f) {
1047                 if(!fseek(f, -2, SEEK_END) && fread(buffer, 2, 1, f) == 1 && (buffer[0]!='\n' || buffer[1]!='\n'))
1048                         active=1;
1049                 fclose(f);
1050         }
1051         g_free(destination_file);
1052         return active;
1053 }
1054
1055 static void
1056 navit_add_former_destinations_from_file(struct navit *this_)
1057 {
1058         char *destination_file = navit_get_destination_file(FALSE);
1059         struct attr parent={attr_navit, .u.navit=this_};
1060         struct attr type={attr_type, {"textfile"}}, data={attr_data, {destination_file}};
1061         struct attr *attrs[]={&type, &data, NULL};
1062         struct map_rect *mr;
1063         struct item *item;
1064         int valid=0;
1065         struct coord c;
1066         struct pcoord pc;
1067
1068         this_->former_destination=map_new(&parent, attrs);
1069         g_free(destination_file);
1070         if (!this_->route || !navit_former_destinations_active(this_))
1071                 return;
1072         mr=map_rect_new(this_->former_destination, NULL);
1073         while ((item=map_rect_get_item(mr))) {
1074                 if (item->type == type_former_destination && item_coord_get(item, &c, 1))
1075                         valid=1;
1076         }
1077         map_rect_destroy(mr);
1078         pc.pro=map_projection(this_->former_destination);
1079         pc.x=c.x;
1080         pc.y=c.y;
1081         if (valid) {
1082                 route_set_destination(this_->route, &pc, 1);
1083                 this_->destination=pc;
1084                 this_->destination_valid=1;
1085         }
1086 }
1087
1088
1089 void
1090 navit_textfile_debug_log(struct navit *this_, const char *fmt, ...)
1091 {
1092         va_list ap;
1093         char *str1,*str2;
1094         va_start(ap, fmt);
1095         if (this_->textfile_debug_log && this_->vehicle) {
1096                 str1=g_strdup_vprintf(fmt, ap);
1097                 str2=g_strdup_printf("0x%x 0x%x%s%s\n", this_->vehicle->coord.x, this_->vehicle->coord.y, strlen(str1) ? " " : "", str1);
1098                 log_write(this_->textfile_debug_log, str2, strlen(str2), 0);
1099                 g_free(str2);
1100                 g_free(str1);
1101         }
1102         va_end(ap);
1103 }
1104
1105 int
1106 navit_speech_estimate(struct navit *this_, char *str)
1107 {
1108         return speech_estimate_duration(this_->speech, str);
1109 }
1110
1111 void
1112 navit_say(struct navit *this_, char *text)
1113 {
1114         speech_say(this_->speech, text);
1115 }
1116
1117 /**
1118  * @brief Toggles the navigation announcer for navit
1119  * @param this_ The navit object
1120  */
1121 static void
1122 navit_cmd_announcer_toggle(struct navit *this_)
1123 {
1124     struct attr attr, speechattr;
1125
1126     // search for the speech attribute
1127     if(!navit_get_attr(this_, attr_speech, &speechattr, NULL))
1128         return;
1129     // find out if the corresponding attribute attr_active has been set
1130     if(speech_get_attr(speechattr.u.speech, attr_active, &attr, NULL)) {
1131         // flip it then...
1132         attr.u.num = !attr.u.num;
1133     } else {
1134         // otherwise disable it because voice is enabled by default
1135         attr.type = attr_active;
1136         attr.u.num = 0;
1137     }
1138
1139     // apply the new state
1140     if(!speech_set_attr(speechattr.u.speech, &attr))
1141         return;
1142
1143     // announce that the speech attribute has changed
1144     callback_list_call_attr_0(this_->attr_cbl, attr_speech);
1145 }
1146
1147 void
1148 navit_speak(struct navit *this_)
1149 {
1150         struct navigation *nav=this_->navigation;
1151         struct map *map=NULL;
1152         struct map_rect *mr=NULL;
1153         struct item *item;
1154         struct attr attr;
1155
1156     if (!speech_get_attr(this_->speech, attr_active, &attr, NULL))
1157         attr.u.num = 1;
1158     dbg(1, "this_.speech->active %i\n", attr.u.num);
1159     if(!attr.u.num)
1160         return;
1161
1162         if (nav)
1163                 map=navigation_get_map(nav);
1164         if (map)
1165                 mr=map_rect_new(map, NULL);
1166         if (mr) {
1167                 while ((item=map_rect_get_item(mr)) && (item->type == type_nav_position || item->type == type_nav_none));
1168                 if (item && item_attr_get(item, attr_navigation_speech, &attr)) {
1169                         speech_say(this_->speech, attr.u.str);
1170                         navit_add_message(this_, attr.u.str);
1171                         navit_textfile_debug_log(this_, "type=announcement label=\"%s\"", attr.u.str);
1172                 }
1173                 map_rect_destroy(mr);
1174         }
1175 }
1176
1177 static void
1178 navit_window_roadbook_update(struct navit *this_)
1179 {
1180         struct navigation *nav=this_->navigation;
1181         struct map *map=NULL;
1182         struct map_rect *mr=NULL;
1183         struct item *item;
1184         struct attr attr;
1185         struct param_list param[5];
1186         int secs;
1187
1188         dbg(1,"enter\n");
1189         datawindow_mode(this_->roadbook_window, 1);
1190         if (nav)
1191                 map=navigation_get_map(nav);
1192         if (map)
1193                 mr=map_rect_new(map, NULL);
1194         dbg(0,"nav=%p map=%p mr=%p\n", nav, map, mr);
1195         if (mr) {
1196                 dbg(0,"while loop\n");
1197                 while ((item=map_rect_get_item(mr))) {
1198                         dbg(0,"item=%p\n", item);
1199                         attr.u.str=NULL;
1200                         if (item->type != type_nav_position) {
1201                                 item_attr_get(item, attr_navigation_long, &attr);
1202                                 if (attr.u.str == NULL) {
1203                                         continue;
1204                                 }
1205                                 dbg(2, "Command='%s'\n", attr.u.str);
1206                                 param[0].value=g_strdup(attr.u.str);
1207                         } else
1208                                 param[0].value=_("Position");
1209                         param[0].name=_("Command");
1210
1211                         item_attr_get(item, attr_length, &attr);
1212                         dbg(2, "Length=%d\n", attr.u.num);
1213                         param[1].name=_("Length");
1214
1215                         if ( attr.u.num >= 2000 )
1216                         {
1217                                 param[1].value=g_strdup_printf("%5.1f %s",(float)attr.u.num / 1000, _("km") );
1218                         }
1219                         else
1220                         {
1221                                 param[1].value=g_strdup_printf("%7d %s",attr.u.num, _("m"));
1222                         }
1223
1224                         item_attr_get(item, attr_time, &attr);
1225                         dbg(2, "Time=%d\n", attr.u.num);
1226                         secs=attr.u.num/10;
1227                         param[2].name=_("Time");
1228                         if ( secs >= 3600 )
1229                         {
1230                                 param[2].value=g_strdup_printf("%d:%02d:%02d",secs / 60, ( secs / 60 ) % 60 , secs % 60);
1231                         }
1232                         else
1233                         {
1234                                 param[2].value=g_strdup_printf("%d:%02d",secs / 60, secs % 60);
1235                         }
1236
1237                         item_attr_get(item, attr_destination_length, &attr);
1238                         dbg(2, "Destlength=%d\n", attr.u.num);
1239                         param[3].name=_("Destination Length");
1240                         if ( attr.u.num >= 2000 )
1241                         {
1242                                 param[3].value=g_strdup_printf("%5.1f %s",(float)attr.u.num / 1000, _("km") );
1243                         }
1244                         else
1245                         {
1246                                 param[3].value=g_strdup_printf("%d %s",attr.u.num, _("m"));
1247                         }
1248
1249                         item_attr_get(item, attr_destination_time, &attr);
1250                         dbg(2, "Desttime=%d\n", attr.u.num);
1251                         secs=attr.u.num/10;
1252                         param[4].name=_("Destination Time");
1253                         if ( secs >= 3600 )
1254                         {
1255                                 param[4].value=g_strdup_printf("%d:%02d:%02d",secs / 3600, (secs / 60 ) % 60 , secs % 60);
1256                         }
1257                         else
1258                         {
1259                                 param[4].value=g_strdup_printf("%d:%02d",secs / 60, secs % 60);
1260                         }
1261                         datawindow_add(this_->roadbook_window, param, 5);
1262                 }
1263                 map_rect_destroy(mr);
1264         }
1265         datawindow_mode(this_->roadbook_window, 0);
1266 }
1267
1268 void
1269 navit_window_roadbook_destroy(struct navit *this_)
1270 {
1271         dbg(0, "enter\n");
1272         navigation_unregister_callback(this_->navigation, attr_navigation_long, this_->roadbook_callback);
1273         this_->roadbook_window=NULL;
1274         this_->roadbook_callback=NULL;
1275 }
1276 void
1277 navit_window_roadbook_new(struct navit *this_)
1278 {
1279         if (!this_->gui || this_->roadbook_callback || this_->roadbook_window) {
1280                 return;
1281         }
1282
1283         this_->roadbook_callback=callback_new_1(callback_cast(navit_window_roadbook_update), this_);
1284         navigation_register_callback(this_->navigation, attr_navigation_long, this_->roadbook_callback);
1285         this_->roadbook_window=gui_datawindow_new(this_->gui, _("Roadbook"), NULL, callback_new_1(callback_cast(navit_window_roadbook_destroy), this_));
1286         navit_window_roadbook_update(this_);
1287 }
1288
1289 void
1290 navit_init(struct navit *this_)
1291 {
1292         struct mapset *ms;
1293         struct map *map;
1294         int callback;
1295
1296         dbg(2,"enter gui %p graphics %p\n",this_->gui,this_->gra);
1297         if (!this_->gui) {
1298                 dbg(0,"no gui\n");
1299                 navit_destroy(this_);
1300                 return;
1301         }
1302         if (!this_->gra) {
1303                 dbg(0,"no graphics\n");
1304                 navit_destroy(this_);
1305                 return;
1306         }
1307         dbg(2,"Connecting gui to graphics\n");
1308         if (gui_set_graphics(this_->gui, this_->gra)) {
1309                 struct attr attr_type_gui, attr_type_graphics;
1310                 gui_get_attr(this_->gui, attr_type, &attr_type_gui, NULL);
1311                 graphics_get_attr(this_->gra, attr_type, &attr_type_graphics, NULL);
1312                 dbg(0,"failed to connect graphics '%s' to gui '%s'\n", attr_type_graphics.u.str, attr_type_gui.u.str);
1313                 dbg(0," Please see http://wiki.navit-project.org/index.php/Failed_to_connect_graphics_to_gui\n");
1314                 dbg(0," for explanations and solutions\n");
1315
1316                 navit_destroy(this_);
1317                 return;
1318         }
1319         dbg(2,"Initializing graphics\n");
1320         dbg(2,"Setting Vehicle\n");
1321         navit_set_vehicle(this_, this_->vehicle);
1322         dbg(2,"Adding dynamic maps to mapset %p\n",this_->mapsets);
1323         if (this_->mapsets) {
1324                 ms=this_->mapsets->data;
1325                 if (this_->route) {
1326                         if ((map=route_get_map(this_->route)))
1327                                 mapset_add_attr(ms, &(struct attr){attr_map,.u.map=map});
1328                         if ((map=route_get_graph_map(this_->route))) {
1329                                 mapset_add_attr(ms, &(struct attr){attr_map,.u.map=map});
1330                                 map_set_attr(map, &(struct attr ){attr_active,.u.num=0});
1331                         }
1332                         route_set_mapset(this_->route, ms);
1333                         route_set_projection(this_->route, transform_get_projection(this_->trans));
1334                 }
1335                 if (this_->tracking) {
1336                         tracking_set_mapset(this_->tracking, ms);
1337                         if (this_->route)
1338                                 tracking_set_route(this_->tracking, this_->route);
1339                 }
1340                 if (this_->navigation) {
1341                         if ((map=navigation_get_map(this_->navigation))) {
1342                                 mapset_add_attr(ms, &(struct attr){attr_map,.u.map=map});
1343                                 map_set_attr(map, &(struct attr ){attr_active,.u.num=0});
1344                         }
1345                 }
1346                 if (this_->tracking) {
1347                         if ((map=tracking_get_map(this_->tracking))) {
1348                                 mapset_add_attr(ms, &(struct attr){attr_map,.u.map=map});
1349                                 map_set_attr(map, &(struct attr ){attr_active,.u.num=0});
1350                         }
1351                 }
1352                 navit_add_bookmarks_from_file(this_);
1353                 navit_add_former_destinations_from_file(this_);
1354         }
1355         if (this_->route) {
1356                 struct attr callback;
1357                 this_->route_cb=callback_new_attr_1(callback_cast(navit_redraw_route), attr_route_status, this_);
1358                 callback.type=attr_callback;
1359                 callback.u.callback=this_->route_cb;
1360                 route_add_attr(this_->route, &callback);
1361         }
1362         if (this_->navigation) {
1363                 if (this_->speech) {
1364                         this_->nav_speech_cb=callback_new_1(callback_cast(navit_speak), this_);
1365                         navigation_register_callback(this_->navigation, attr_navigation_speech, this_->nav_speech_cb);
1366                 }
1367                 if (this_->route)
1368                         navigation_set_route(this_->navigation, this_->route);
1369         }
1370         dbg(2,"Setting Center\n");
1371         char *center_file = navit_get_center_file(FALSE);
1372         navit_set_center_from_file(this_, center_file);
1373         g_free(center_file);
1374 #if 0
1375         if (this_->menubar) {
1376                 men=menu_add(this_->menubar, "Data", menu_type_submenu, NULL);
1377                 if (men) {
1378                         navit_add_menu_windows_items(this_, men);
1379                 }
1380         }
1381 #endif
1382         global_navit=this_;
1383 #if 0
1384         navit_window_roadbook_new(this_);
1385         navit_window_items_new(this_);
1386 #endif
1387
1388         messagelist_init(this_->messages);
1389
1390         navit_set_cursors(this_);
1391
1392         callback_list_call_attr_1(this_->attr_cbl, attr_navit, this_);
1393         callback=(this_->ready == 2);
1394         this_->ready|=1;
1395         dbg(2,"ready=%d\n",this_->ready);
1396         if (this_->ready == 3)
1397                 navit_draw(this_);
1398         if (callback)
1399                 callback_list_call_attr_1(this_->attr_cbl, attr_graphics_ready, this_);
1400 #if 0
1401         routech_test(this_);
1402 #endif
1403 }
1404
1405 void
1406 navit_zoom_to_route(struct navit *this_, int orientation)
1407 {
1408         struct map *map;
1409         struct map_rect *mr=NULL;
1410         struct item *item;
1411         struct coord c;
1412         struct coord_rect r;
1413         int count=0,scale=16;
1414         if (! this_->route)
1415                 return;
1416         dbg(1,"enter\n");
1417         map=route_get_map(this_->route);
1418         dbg(1,"map=%p\n",map);
1419         if (map)
1420                 mr=map_rect_new(map, NULL);
1421         dbg(1,"mr=%p\n",mr);
1422         if (mr) {
1423                 while ((item=map_rect_get_item(mr))) {
1424                         dbg(1,"item=%s\n", item_to_name(item->type));
1425                         while (item_coord_get(item, &c, 1)) {
1426                                 dbg(1,"coord\n");
1427                                 if (!count)
1428                                         r.lu=r.rl=c;
1429                                 else
1430                                         coord_rect_extend(&r, &c);
1431                                 count++;
1432                         }
1433                 }
1434         }
1435         if (! count)
1436                 return;
1437         c.x=(r.rl.x+r.lu.x)/2;
1438         c.y=(r.rl.y+r.lu.y)/2;
1439         dbg(1,"count=%d\n",count);
1440         if (orientation != -1)
1441                 transform_set_yaw(this_->trans, orientation);
1442         transform_set_center(this_->trans, &c);
1443         dbg(1,"%x,%x-%x,%x\n", r.rl.x,r.rl.y,r.lu.x,r.lu.y);
1444         while (scale < 1<<20) {
1445                 struct point p1,p2;
1446                 transform_set_scale(this_->trans, scale);
1447                 transform_setup_source_rect(this_->trans);
1448                 transform(this_->trans, transform_get_projection(this_->trans), &r.lu, &p1, 1, 0, 0, NULL);
1449                 transform(this_->trans, transform_get_projection(this_->trans), &r.rl, &p2, 1, 0, 0, NULL);
1450                 dbg(1,"%d,%d-%d,%d\n",p1.x,p1.y,p2.x,p2.y);
1451                 if (p1.x < 0 || p2.x < 0 || p1.x > this_->w || p2.x > this_->w ||
1452                     p1.y < 0 || p2.y < 0 || p1.y > this_->h || p2.y > this_->h)
1453                         scale*=2;
1454                 else
1455                         break;
1456
1457         }
1458         if (this_->ready == 3)
1459                 navit_draw_async(this_,0);
1460 }
1461
1462 static void
1463 navit_cmd_zoom_to_route(struct navit *this)
1464 {
1465         navit_zoom_to_route(this, 0);
1466 }
1467
1468
1469 /**
1470  * Change the current zoom level
1471  *
1472  * @param navit The navit instance
1473  * @param center The point where to center the map, including its projection
1474  * @returns nothing
1475  */
1476 void
1477 navit_set_center(struct navit *this_, struct pcoord *center, int set_timeout)
1478 {
1479         struct coord *c=transform_center(this_->trans);
1480         struct coord c1,c2;
1481         enum projection pro = transform_get_projection(this_->trans);
1482         if (pro != center->pro) {
1483                 c1.x = center->x;
1484                 c1.y = center->y;
1485                 transform_from_to(&c1, center->pro, &c2, pro);
1486         } else {
1487                 c2.x = center->x;
1488                 c2.y = center->y;
1489         }
1490         *c=c2;
1491         if (set_timeout)
1492                 navit_set_timeout(this_);
1493         if (this_->ready == 3)
1494                 navit_draw(this_);
1495 }
1496
1497 static void
1498 navit_set_center_coord_screen(struct navit *this_, struct coord *c, struct point *p, int set_timeout)
1499 {
1500         int width, height;
1501         struct point po;
1502         transform_set_center(this_->trans, c);
1503         transform_get_size(this_->trans, &width, &height);
1504         po.x=width/2;
1505         po.y=height/2;
1506         update_transformation(this_->trans, &po, p, NULL);
1507         if (set_timeout)
1508                 navit_set_timeout(this_);
1509 }
1510
1511 /**
1512  * Links all vehicles to a cursor depending on the current profile.
1513  *
1514  * @param this_ A navit instance
1515  * @author Ralph Sennhauser (10/2009)
1516  */
1517 static void
1518 navit_set_cursors(struct navit *this_)
1519 {
1520         struct attr name;
1521         struct navit_vehicle *nv;
1522         struct cursor *c;
1523         GList *v;
1524
1525         v=g_list_first(this_->vehicles); // GList of navit_vehicles
1526         while (v) {
1527                 nv=v->data;
1528                 if (vehicle_get_attr(nv->vehicle, attr_cursorname, &name, NULL))
1529                         c=layout_get_cursor(this_->layout_current, name.u.str);
1530                 else
1531                         c=layout_get_cursor(this_->layout_current, "default");
1532                 vehicle_set_cursor(nv->vehicle, c);
1533                 v=g_list_next(v);
1534         }
1535         return;
1536 }
1537
1538 static int
1539 navit_get_cursor_pnt(struct navit *this_, struct point *p, int *dir)
1540 {
1541         int width, height;
1542         struct navit_vehicle *nv=this_->vehicle;
1543
1544         float offset=30;            // Cursor offset from the center of the screen (percent).
1545 #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 */
1546         float min_offset = 0.;      // Percent offset at min_offset_speed.
1547         float max_offset = 30.;     // Percent offset at max_offset_speed.
1548         int min_offset_speed = 2;   // Speed in km/h
1549         int max_offset_speed = 50;  // Speed ini km/h
1550         // Calculate cursor offset from the center of the screen, upon speed.
1551         if (nv->speed <= min_offset_speed) {
1552             offset = min_offset;
1553         } else if (nv->speed > max_offset_speed) {
1554             offset = max_offset;
1555         } else {
1556             offset = (max_offset - min_offset) / (max_offset_speed - min_offset_speed) * (nv->speed - min_offset_speed);
1557         }
1558 #endif
1559
1560         transform_get_size(this_->trans, &width, &height);
1561         if (this_->orientation == -1) {
1562                 p->x=50*width/100;
1563                 p->y=(50 + offset)*height/100;
1564                 if (dir)
1565                         *dir=nv->dir;
1566         } else {
1567                 int mdir;
1568                 if (this_->tracking && this_->tracking_flag) {
1569                         mdir = tracking_get_angle(this_->tracking) - this_->orientation;
1570                 } else {
1571                         mdir=nv->dir-this_->orientation;
1572                 }
1573
1574                 p->x=(50 - offset*sin(M_PI*mdir/180.))*width/100;
1575                 p->y=(50 + offset*cos(M_PI*mdir/180.))*height/100;
1576                 if (dir)
1577                         *dir=this_->orientation;
1578         }
1579         return 1;
1580 }
1581
1582 static void
1583 navit_set_center_cursor(struct navit *this_)
1584 {
1585         int dir;
1586         struct point pn;
1587         struct navit_vehicle *nv=this_->vehicle;
1588         navit_get_cursor_pnt(this_, &pn, &dir);
1589         transform_set_yaw(this_->trans, dir);
1590         navit_set_center_coord_screen(this_, &nv->coord, &pn, 0);
1591         navit_autozoom(this_, &nv->coord, nv->speed, 0);
1592         if (this_->ready == 3)
1593                 navit_draw_async(this_, 1);
1594 }
1595
1596 static void
1597 navit_cmd_set_center_cursor(struct navit *this_)
1598 {
1599         navit_set_center_cursor(this_);
1600 }
1601
1602 void
1603 navit_set_center_screen(struct navit *this_, struct point *p, int set_timeout)
1604 {
1605         struct coord c;
1606         struct pcoord pc;
1607         transform_reverse(this_->trans, p, &c);
1608         pc.x = c.x;
1609         pc.y = c.y;
1610         pc.pro = transform_get_projection(this_->trans);
1611         navit_set_center(this_, &pc, set_timeout);
1612 }
1613
1614 #if 0
1615                 switch((*attrs)->type) {
1616                 case attr_zoom:
1617                         zoom=(*attrs)->u.num;
1618                         break;
1619                 case attr_center:
1620                         g=*((*attrs)->u.coord_geo);
1621                         break;
1622 #endif
1623
1624 static int
1625 navit_set_attr_do(struct navit *this_, struct attr *attr, int init)
1626 {
1627         int dir=0, orient_old=0, attr_updated=0;
1628         struct coord co;
1629         long zoom;
1630         GList *l;
1631         struct navit_vehicle *nv;
1632         struct attr active=(struct attr){attr_active,{(void *)0}};
1633         struct layout *lay;
1634
1635         switch (attr->type) {
1636         case attr_autozoom:
1637                 attr_updated=(this_->autozoom_secs != attr->u.num);
1638                 this_->autozoom_secs = attr->u.num;
1639                 break;
1640         case attr_autozoom_active:
1641                 attr_updated=(this_->autozoom_active != attr->u.num);
1642                 this_->autozoom_active = attr->u.num;
1643                 break;
1644         case attr_center:
1645                 transform_from_geo(transform_get_projection(this_->trans), attr->u.coord_geo, &co);
1646                 dbg(1,"0x%x,0x%x\n",co.x,co.y);
1647                 transform_set_center(this_->trans, &co);
1648                 break;
1649         case attr_drag_bitmap:
1650                 attr_updated=(this_->drag_bitmap != !!attr->u.num);
1651                 this_->drag_bitmap=!!attr->u.num;
1652                 break;
1653         case attr_flags_graphics:
1654                 attr_updated=(this_->graphics_flags != attr->u.num);
1655                 this_->graphics_flags=attr->u.num;
1656                 break;
1657         case attr_follow:
1658                 if (!this_->vehicle)
1659                         return 0;
1660                 attr_updated=(this_->vehicle->follow_curr != attr->u.num);
1661                 this_->vehicle->follow_curr = attr->u.num;
1662                 break;
1663         case attr_layout:
1664                 if(this_->layout_current!=attr->u.layout) {
1665                         this_->layout_current=attr->u.layout;
1666                         graphics_font_destroy_all(this_->gra);
1667                         navit_set_cursors(this_);
1668                         if (this_->ready == 3)
1669                                 navit_draw(this_);
1670                         attr_updated=1;
1671                 }
1672                 break;
1673         case attr_layout_name:
1674                 l=this_->layouts;
1675                 while (l) {
1676                         lay=l->data;
1677                         if (!strcmp(lay->name,attr->u.str)) {
1678                                 struct attr attr;
1679                                 attr.type=attr_layout;
1680                                 attr.u.layout=lay;
1681                                 return navit_set_attr_do(this_, &attr, init);
1682                         }
1683                         l=g_list_next(l);
1684                 }
1685                 return 0;
1686         case attr_orientation:
1687                 orient_old=this_->orientation;
1688                 this_->orientation=attr->u.num;
1689                 if (!init) {
1690                         if (this_->orientation != -1) {
1691                                 dir = this_->orientation;
1692                         } else {
1693                                 if (this_->vehicle) {
1694                                         dir = this_->vehicle->dir;
1695                                 }
1696                         }
1697                         transform_set_yaw(this_->trans, dir);
1698                         if (orient_old != this_->orientation) {
1699 #if 0
1700                                 if (this_->ready == 3)
1701                                         navit_draw(this_);
1702 #endif
1703                                 attr_updated=1;
1704                         }
1705                 }
1706                 break;
1707         case attr_osd_configuration:
1708                 dbg(0,"setting osd_configuration to %d (was %d)\n", attr->u.num, this_->osd_configuration);
1709                 attr_updated=(this_->osd_configuration != attr->u.num);
1710                 this_->osd_configuration=attr->u.num;
1711                 break;
1712         case attr_pitch:
1713                 attr_updated=(this_->pitch != attr->u.num);
1714                 this_->pitch=attr->u.num;
1715                 transform_set_pitch(this_->trans, this_->pitch);
1716                 if (!init && attr_updated && this_->ready == 3)
1717                         navit_draw(this_);
1718                 break;
1719         case attr_projection:
1720                 if(this_->trans && transform_get_projection(this_->trans) != attr->u.projection) {
1721                         navit_projection_set(this_, attr->u.projection);
1722                         attr_updated=1;
1723                 }
1724                 break;
1725         case attr_recent_dest:
1726                 attr_updated=(this_->recentdest_count != attr->u.num);
1727                 this_->recentdest_count=attr->u.num;
1728                 break;
1729         case attr_speech:
1730                 if(this_->speech && this_->speech != attr->u.speech) {
1731                         attr_updated=1;
1732                         this_->speech = attr->u.speech;
1733                 }
1734                 break;
1735         case attr_timeout:
1736                 attr_updated=(this_->center_timeout != attr->u.num);
1737                 this_->center_timeout = attr->u.num;
1738                 break;
1739         case attr_tracking:
1740                 attr_updated=(this_->tracking_flag != !!attr->u.num);
1741                 this_->tracking_flag=!!attr->u.num;
1742                 break;
1743         case attr_use_mousewheel:
1744                 attr_updated=(this_->use_mousewheel != !!attr->u.num);
1745                 this_->use_mousewheel=!!attr->u.num;
1746                 break;
1747         case attr_vehicle:
1748                 l=this_->vehicles;
1749                 while(l) {
1750                         nv=l->data;
1751                         if (nv->vehicle == attr->u.vehicle) {
1752                                 if (!this_->vehicle || this_->vehicle->vehicle != attr->u.vehicle) {
1753                                         if (this_->vehicle)
1754                                                 vehicle_set_attr(this_->vehicle->vehicle, &active);
1755                                         active.u.num=1;
1756                                         vehicle_set_attr(nv->vehicle, &active);
1757                                         attr_updated=1;
1758                                 }
1759                                 navit_set_vehicle(this_, nv);
1760                         }
1761                         l=g_list_next(l);
1762                 }
1763                 break;
1764         case attr_zoom:
1765                 zoom=transform_get_scale(this_->trans);
1766                 attr_updated=(zoom != attr->u.num);
1767                 transform_set_scale(this_->trans, attr->u.num);
1768                 if (attr_updated && !init)
1769                         navit_draw(this_);
1770                 break;
1771         case attr_message:
1772                 navit_add_message(this_, attr->u.str);
1773                 break;
1774         case attr_follow_cursor:
1775                 attr_updated=(this_->follow_cursor != !!attr->u.num);
1776                 this_->follow_cursor=!!attr->u.num;
1777                 break;
1778         default:
1779                 return 0;
1780         }
1781         if (attr_updated && !init) {
1782                 callback_list_call_attr_2(this_->attr_cbl, attr->type, this_, attr);
1783                 if (attr->type == attr_osd_configuration)
1784                         graphics_draw_mode(this_->gra, draw_mode_end);
1785         }
1786         return 1;
1787 }
1788
1789 int
1790 navit_set_attr(struct navit *this_, struct attr *attr)
1791 {
1792         return navit_set_attr_do(this_, attr, 0);
1793 }
1794
1795 int
1796 navit_get_attr(struct navit *this_, enum attr_type type, struct attr *attr, struct attr_iter *iter)
1797 {
1798         struct message *msg;
1799         int len,offset;
1800         int ret=1;
1801
1802         switch (type) {
1803         case attr_message:
1804                 msg = navit_get_messages(this_);
1805
1806                 if (!msg) {
1807                         return 0;
1808                 }
1809
1810                 len = 0;
1811                 while (msg) {
1812                         len += strlen(msg->text) + 1;
1813                         msg = msg->next;
1814                 }
1815                 attr->u.str = g_malloc(len + 1);
1816
1817                 msg = navit_get_messages(this_);
1818                 offset = 0;
1819                 while (msg) {
1820                         g_stpcpy((attr->u.str + offset), msg->text);
1821                         offset += strlen(msg->text);
1822                         attr->u.str[offset] = '\n';
1823                         offset++;
1824
1825                         msg = msg->next;
1826                 }
1827
1828                 attr->u.str[len] = '\0';
1829                 break;
1830         case attr_bookmark_map:
1831                 attr->u.map=this_->bookmark;
1832                 break;
1833         case attr_callback_list:
1834                 attr->u.callback_list=this_->attr_cbl;
1835                 break;
1836         case attr_destination:
1837                 if (! this_->destination_valid)
1838                         return 0;
1839                 attr->u.pcoord=&this_->destination;
1840                 break;
1841         case attr_displaylist:
1842                 attr->u.displaylist=this_->displaylist;
1843                 return (attr->u.displaylist != NULL);
1844         case attr_former_destination_map:
1845                 attr->u.map=this_->former_destination;
1846                 break;
1847         case attr_graphics:
1848                 attr->u.graphics=this_->gra;
1849                 ret=(attr->u.graphics != NULL);
1850                 break;
1851         case attr_gui:
1852                 attr->u.gui=this_->gui;
1853                 ret=(attr->u.gui != NULL);
1854                 break;
1855         case attr_layout:
1856                 if (iter) {
1857                         if (iter->u.list) {
1858                                 iter->u.list=g_list_next(iter->u.list);
1859                         } else {
1860                                 iter->u.list=this_->layouts;
1861                         }
1862                         if (!iter->u.list)
1863                                 return 0;
1864                         attr->u.layout=(struct layout *)iter->u.list->data;
1865                 } else {
1866                         attr->u.layout=this_->layout_current;
1867                 }
1868                 break;
1869         case attr_map:
1870                 if (iter && this_->mapsets) {
1871                         if (!iter->u.mapset_handle) {
1872                                 iter->u.mapset_handle=mapset_open((struct mapset *)this_->mapsets->data);
1873                         }
1874                         attr->u.map=mapset_next(iter->u.mapset_handle, 0);
1875                         if(!attr->u.map) {
1876                                 mapset_close(iter->u.mapset_handle);
1877                                 return 0;
1878                         }
1879                 } else {
1880                         return 0;
1881                 }
1882                 break;
1883         case attr_mapset:
1884                 attr->u.mapset=this_->mapsets->data;
1885                 return (attr->u.mapset != NULL);
1886         case attr_navigation:
1887                 attr->u.navigation=this_->navigation;
1888                 break;
1889         case attr_orientation:
1890                 attr->u.num=this_->orientation;
1891                 break;
1892         case attr_osd_configuration:
1893                 attr->u.num=this_->osd_configuration;
1894                 break;
1895         case attr_pitch:
1896                 attr->u.num=transform_get_pitch(this_->trans);
1897                 break;
1898         case attr_projection:
1899                 if(this_->trans) {
1900                         attr->u.num=transform_get_projection(this_->trans);
1901                 } else {
1902                         return 0;
1903                 }
1904                 break;
1905         case attr_route:
1906                 attr->u.route=this_->route;
1907                 break;
1908         case attr_speech:
1909                 attr->u.speech=this_->speech;
1910                 break;
1911         case attr_tracking:
1912                 attr->u.num=this_->tracking_flag;
1913                 break;
1914         case attr_transformation:
1915                 attr->u.transformation=this_->trans;
1916                 break;
1917         case attr_vehicle:
1918                 if(iter) {
1919                         if(iter->u.list) {
1920                                 iter->u.list=g_list_next(iter->u.list);
1921                         } else {
1922                                 iter->u.list=this_->vehicles;
1923                         }
1924                         if(!iter->u.list)
1925                                 return 0;
1926                         attr->u.vehicle=((struct navit_vehicle*)iter->u.list->data)->vehicle;
1927                 } else {
1928                         if(this_->vehicle) {
1929                                 attr->u.vehicle=this_->vehicle->vehicle;
1930                         } else {
1931                                 return 0;
1932                         }
1933                 }
1934                 break;
1935         case attr_zoom:
1936                 attr->u.num=transform_get_scale(this_->trans);
1937                 break;
1938         case attr_autozoom_active:
1939                 attr->u.num=this_->autozoom_active;
1940                 break;
1941         case attr_follow_cursor:
1942                 attr->u.num=this_->follow_cursor;
1943                 break;
1944         default:
1945                 return 0;
1946         }
1947         attr->type=type;
1948         return ret;
1949 }
1950
1951 static int
1952 navit_add_log(struct navit *this_, struct log *log)
1953 {
1954         struct attr type_attr;
1955         if (!log_get_attr(log, attr_type, &type_attr, NULL))
1956                 return 0;
1957         if (!strcmp(type_attr.u.str, "textfile_debug")) {
1958                 char *header = "type=track_tracked\n";
1959                 if (this_->textfile_debug_log)
1960                         return 0;
1961                 log_set_header(log, header, strlen(header));
1962                 this_->textfile_debug_log=log;
1963                 return 1;
1964         }
1965         return 0;
1966 }
1967
1968 int
1969 navit_add_attr(struct navit *this_, struct attr *attr)
1970 {
1971         int ret=1;
1972         switch (attr->type) {
1973         case attr_callback:
1974                 navit_add_callback(this_, attr->u.callback);
1975                 break;
1976         case attr_log:
1977                 ret=navit_add_log(this_, attr->u.log);
1978                 break;
1979         case attr_gui:
1980                 ret=navit_set_gui(this_, attr->u.gui);
1981                 break;
1982         case attr_graphics:
1983                 ret=navit_set_graphics(this_, attr->u.graphics);
1984                 break;
1985         case attr_layout:
1986                 this_->layouts = g_list_append(this_->layouts, attr->u.layout);
1987                 if(!this_->layout_current)
1988                         this_->layout_current=attr->u.layout;
1989                 break;
1990         case attr_route:
1991                 this_->route=attr->u.route;
1992                 break;
1993         case attr_mapset:
1994                 this_->mapsets = g_list_append(this_->mapsets, attr->u.mapset);
1995                 break;
1996         case attr_navigation:
1997                 this_->navigation=attr->u.navigation;
1998                 break;
1999         case attr_recent_dest:
2000                 this_->recentdest_count = attr->u.num;
2001                 break;
2002         case attr_speech:
2003                 this_->speech=attr->u.speech;
2004                 break;
2005         case attr_tracking:
2006                 this_->tracking=attr->u.tracking;
2007                 break;
2008         case attr_vehicle:
2009                 ret=navit_add_vehicle(this_, attr->u.vehicle);
2010                 break;
2011         case attr_vehicleprofile:
2012                 this_->vehicleprofiles=g_list_prepend(this_->vehicleprofiles, attr->u.vehicleprofile);
2013                 break;
2014         case attr_autozoom_min:
2015                 this_->autozoom_min = attr->u.num;
2016                 break;
2017         default:
2018                 return 0;
2019         }
2020         callback_list_call_attr_2(this_->attr_cbl, attr->type, this_, attr);
2021         return ret;
2022 }
2023
2024 int
2025 navit_remove_attr(struct navit *this_, struct attr *attr)
2026 {
2027         int ret=1;
2028         switch (attr->type) {
2029         case attr_callback:
2030                 navit_remove_callback(this_, attr->u.callback);
2031                 break;
2032         default:
2033                 return 0;
2034         }
2035         return ret;
2036 }
2037
2038 struct attr_iter *
2039 navit_attr_iter_new(void)
2040 {
2041         return g_new0(struct attr_iter, 1);
2042 }
2043
2044 void
2045 navit_attr_iter_destroy(struct attr_iter *iter)
2046 {
2047         g_free(iter);
2048 }
2049
2050 void
2051 navit_add_callback(struct navit *this_, struct callback *cb)
2052 {
2053         callback_list_add(this_->attr_cbl, cb);
2054 }
2055
2056 void
2057 navit_remove_callback(struct navit *this_, struct callback *cb)
2058 {
2059         callback_list_remove(this_->attr_cbl, cb);
2060 }
2061
2062 /**
2063  * Toggle the cursor update : refresh the map each time the cursor has moved (instead of only when it reaches a border)
2064  *
2065  * @param navit The navit instance
2066  * @returns nothing
2067  */
2068
2069 static void
2070 navit_vehicle_draw(struct navit *this_, struct navit_vehicle *nv, struct point *pnt)
2071 {
2072         struct point cursor_pnt;
2073         enum projection pro;
2074
2075         if (this_->blocked)
2076                 return;
2077         if (pnt)
2078                 cursor_pnt=*pnt;
2079         else {
2080                 pro=transform_get_projection(this_->trans);
2081                 transform(this_->trans, pro, &nv->coord, &cursor_pnt, 1, 0, 0, NULL);
2082         }
2083         vehicle_draw(nv->vehicle, this_->gra, &cursor_pnt, pnt ? 0:1, nv->dir-transform_get_yaw(this_->trans), nv->speed);
2084 #if 0
2085         if (pnt)
2086                 pnt2=*pnt;
2087         else {
2088                 pro=transform_get_projection(this_->trans);
2089                 transform(this_->trans, pro, &nv->coord, &pnt2, 1);
2090         }
2091 #if 1
2092         cursor_draw(nv->cursor, &pnt2, nv->dir-transform_get_angle(this_->trans, 0), nv->speed > 2, pnt == NULL);
2093 #else
2094         cursor_draw(nv->cursor, &pnt2, nv->dir-transform_get_angle(this_->trans, 0), nv->speed > 2, 1);
2095 #endif
2096 #endif
2097 }
2098
2099 static void
2100 navit_vehicle_update(struct navit *this_, struct navit_vehicle *nv)
2101 {
2102         struct attr attr_valid, attr_dir, attr_speed, attr_pos;
2103         struct pcoord cursor_pc;
2104         struct point cursor_pnt, *pnt=&cursor_pnt;
2105         struct tracking *tracking=NULL;
2106         enum projection pro=transform_get_projection(this_->trans);
2107         int border=16;
2108         int (*get_attr)(void *, enum attr_type, struct attr *, struct attr_iter *);
2109         void *attr_object;
2110
2111         profile(0,NULL);
2112         if (this_->ready != 3) {
2113                 profile(0,"return 1\n");
2114                 return;
2115         }
2116         navit_layout_switch(this_);
2117         if (this_->vehicle == nv && this_->tracking_flag)
2118                 tracking=this_->tracking;
2119         if (tracking) {
2120                 tracking_update(tracking, nv->vehicle, this_->vehicleprofile, pro);
2121                 attr_object=tracking;
2122                 get_attr=(int (*)(void *, enum attr_type, struct attr *, struct attr_iter *))tracking_get_attr;
2123         } else {
2124                 attr_object=nv->vehicle;
2125                 get_attr=(int (*)(void *, enum attr_type, struct attr *, struct attr_iter *))vehicle_get_attr;
2126         }
2127         if (get_attr(attr_object, attr_position_valid, &attr_valid, NULL))
2128                 if (!attr_valid.u.num != attr_position_valid_invalid)
2129                         return;
2130         if (! get_attr(attr_object, attr_position_direction, &attr_dir, NULL) ||
2131             ! get_attr(attr_object, attr_position_speed, &attr_speed, NULL) ||
2132             ! get_attr(attr_object, attr_position_coord_geo, &attr_pos, NULL)) {
2133                 profile(0,"return 2\n");
2134                 return;
2135         }
2136         nv->dir=*attr_dir.u.numd;
2137         nv->speed=*attr_speed.u.numd;
2138         transform_from_geo(pro, attr_pos.u.coord_geo, &nv->coord);
2139         if (nv != this_->vehicle) {
2140                 navit_vehicle_draw(this_, nv, NULL);
2141                 profile(0,"return 3\n");
2142                 return;
2143         }
2144         cursor_pc.x = nv->coord.x;
2145         cursor_pc.y = nv->coord.y;
2146         cursor_pc.pro = pro;
2147         if (this_->route) {
2148                 if (tracking)
2149                         route_set_position_from_tracking(this_->route, tracking, pro);
2150                 else
2151                         route_set_position(this_->route, &cursor_pc);
2152         }
2153         callback_list_call_attr_0(this_->attr_cbl, attr_position);
2154         navit_textfile_debug_log(this_, "type=trackpoint_tracked");
2155         if (this_->gui && nv->speed > 2)
2156                 gui_disable_suspend(this_->gui);
2157
2158         transform(this_->trans, pro, &nv->coord, &cursor_pnt, 1, 0, 0, NULL);
2159         if (this_->button_pressed != 1 && this_->follow_cursor && nv->follow_curr <= nv->follow &&
2160                 (nv->follow_curr == 1 || !transform_within_border(this_->trans, &cursor_pnt, border)))
2161                 navit_set_center_cursor(this_);
2162         else
2163                 navit_vehicle_draw(this_, nv, pnt);
2164
2165         if (nv->follow_curr > 1)
2166                 nv->follow_curr--;
2167         else
2168                 nv->follow_curr=nv->follow;
2169         callback_list_call_attr_2(this_->attr_cbl, attr_position_coord_geo, this_, nv->vehicle);
2170
2171         /* Finally, if we reached our destination, stop navigation. */
2172         if (this_->route && route_destination_reached(this_->route)) {
2173                 navit_set_destination(this_, NULL, NULL, 0);
2174         }
2175         profile(0,"return 5\n");
2176 }
2177
2178 /**
2179  * Set the position of the vehicle
2180  *
2181  * @param navit The navit instance
2182  * @param c The coordinate to set as position
2183  * @returns nothing
2184  */
2185
2186 void
2187 navit_set_position(struct navit *this_, struct pcoord *c)
2188 {
2189         if (this_->route) {
2190                 route_set_position(this_->route, c);
2191                 callback_list_call_attr_0(this_->attr_cbl, attr_position);
2192         }
2193         if (this_->ready == 3)
2194                 navit_draw(this_);
2195 }
2196
2197 static int
2198 navit_set_vehicleprofile(struct navit *this_, char *name)
2199 {
2200         struct attr attr;
2201         GList *l;
2202         l=this_->vehicleprofiles;
2203         while (l) {
2204                 if (vehicleprofile_get_attr(l->data, attr_name, &attr, NULL)) {
2205                         if (!strcmp(attr.u.str, name)) {
2206                                 this_->vehicleprofile=l->data;
2207                                 if (this_->route)
2208                                         route_set_profile(this_->route, this_->vehicleprofile);
2209                                 return 1;
2210                         }
2211                 }
2212                 l=g_list_next(l);
2213         }
2214         return 0;
2215 }
2216
2217 static void
2218 navit_set_vehicle(struct navit *this_, struct navit_vehicle *nv)
2219 {
2220         struct attr attr;
2221         this_->vehicle=nv;
2222         if (nv && vehicle_get_attr(nv->vehicle, attr_profilename, &attr, NULL)) {
2223                 if (navit_set_vehicleprofile(this_, attr.u.str))
2224                         return;
2225         }
2226         navit_set_vehicleprofile(this_,"car");
2227 }
2228
2229 /**
2230  * Register a new vehicle
2231  *
2232  * @param navit The navit instance
2233  * @param v The vehicle instance
2234  * @returns 1 for success
2235  */
2236 static int
2237 navit_add_vehicle(struct navit *this_, struct vehicle *v)
2238 {
2239         struct navit_vehicle *nv=g_new0(struct navit_vehicle, 1);
2240         struct attr follow, active, animate;
2241         nv->vehicle=v;
2242         nv->follow=0;
2243         nv->last.x = 0;
2244         nv->last.y = 0;
2245         nv->animate_cursor=0;
2246         if ((vehicle_get_attr(v, attr_follow, &follow, NULL)))
2247                 nv->follow=nv->follow=follow.u.num;
2248         nv->follow_curr=nv->follow;
2249         this_->vehicles=g_list_append(this_->vehicles, nv);
2250         if ((vehicle_get_attr(v, attr_active, &active, NULL)) && active.u.num)
2251                 navit_set_vehicle(this_, nv);
2252         if ((vehicle_get_attr(v, attr_animate, &animate, NULL)))
2253                 nv->animate_cursor=animate.u.num;
2254         nv->callback.type=attr_callback;
2255         nv->callback.u.callback=callback_new_attr_2(callback_cast(navit_vehicle_update), attr_position_coord_geo, this_, nv);
2256         vehicle_add_attr(nv->vehicle, &nv->callback);
2257         vehicle_set_attr(nv->vehicle, &this_->self);
2258         return 1;
2259 }
2260
2261
2262
2263
2264 struct gui *
2265 navit_get_gui(struct navit *this_)
2266 {
2267         return this_->gui;
2268 }
2269
2270 struct transformation *
2271 navit_get_trans(struct navit *this_)
2272 {
2273         return this_->trans;
2274 }
2275
2276 struct route *
2277 navit_get_route(struct navit *this_)
2278 {
2279         return this_->route;
2280 }
2281
2282 struct navigation *
2283 navit_get_navigation(struct navit *this_)
2284 {
2285         return this_->navigation;
2286 }
2287
2288 struct displaylist *
2289 navit_get_displaylist(struct navit *this_)
2290 {
2291         return this_->displaylist;
2292 }
2293
2294 void
2295 navit_layout_switch(struct navit *n)
2296 {
2297
2298     int currTs=0;
2299     struct attr iso8601_attr,geo_attr,valid_attr,layout_attr;
2300     double trise,tset,trise_actual;
2301     struct layout *l;
2302     int year, month, day;
2303
2304     if (navit_get_attr(n,attr_layout,&layout_attr,NULL)!=1) {
2305         return; //No layout - nothing to switch
2306     }
2307     l=layout_attr.u.layout;
2308
2309     if (l->dayname || l->nightname) {
2310         //Ok, we know that we have profile to switch
2311
2312         //Check that we aren't calculating too fast
2313         if (vehicle_get_attr(n->vehicle->vehicle, attr_position_time_iso8601,&iso8601_attr,NULL)==1) {
2314                 currTs=iso8601_to_secs(iso8601_attr.u.str);
2315         }
2316         if (currTs-(n->prevTs)<60) {
2317             //We've have to wait a little
2318             return;
2319         }
2320         if (sscanf(iso8601_attr.u.str,"%d-%02d-%02dT",&year,&month,&day) != 3)
2321                 return;
2322         if (vehicle_get_attr(n->vehicle->vehicle, attr_position_coord_geo,&geo_attr,NULL)!=1) {
2323                 //No position - no sun
2324                 return;
2325         }
2326         if (vehicle_get_attr(n->vehicle->vehicle, attr_position_valid, &valid_attr,NULL) && valid_attr.u.num==attr_position_valid_invalid) {
2327                 return; //No valid fix yet
2328         }
2329
2330         //We calculate sunrise anyway, cause it is need both for day and for night
2331         if (__sunriset__(year,month,day,geo_attr.u.coord_geo->lat,geo_attr.u.coord_geo->lng,35,1,&trise,&tset)!=0) {
2332                 //near the pole sun never rises/sets, so we should never switch profiles
2333                 n->prevTs=currTs;
2334                 return;
2335             }
2336
2337         trise_actual=trise;
2338
2339         if (l->dayname) {
2340
2341             if ((HOURS(trise)*60+MINUTES(trise)==(currTs%86400)/60) ||
2342                     (n->prevTs==0 && ((HOURS(trise)*60+MINUTES(trise)<(currTs%86400)/60)))) {
2343                 //The sun is rising now!
2344                 if (strcmp(l->name,l->dayname)) {
2345                     navit_set_layout_by_name(n,l->dayname);
2346                 }
2347             }
2348         }
2349         if (l->nightname) {
2350             if (__sunriset__(year,month,day,geo_attr.u.coord_geo->lat,geo_attr.u.coord_geo->lng,-12,0,&trise,&tset)!=0) {
2351                 //near the pole sun never rises/sets, so we should never switch profiles
2352                 n->prevTs=currTs;
2353                 return;
2354             }
2355
2356             if (HOURS(tset)*60+MINUTES(tset)==((currTs%86400)/60)
2357                 || (n->prevTs==0 && (((HOURS(tset)*60+MINUTES(tset)<(currTs%86400)/60)) ||
2358                         ((HOURS(trise_actual)*60+MINUTES(trise_actual)>(currTs%86400)/60))))) {
2359                 //Time to sleep
2360                 if (strcmp(l->name,l->nightname)) {
2361                     navit_set_layout_by_name(n,l->nightname);
2362                 }
2363             }
2364         }
2365
2366         n->prevTs=currTs;
2367     }
2368 }
2369
2370 int
2371 navit_set_layout_by_name(struct navit *n,char *name)
2372 {
2373     struct layout *l;
2374     struct attr_iter iter;
2375     struct attr layout_attr;
2376
2377     iter.u.list=0x00;
2378
2379     if (navit_get_attr(n,attr_layout,&layout_attr,&iter)!=1) {
2380         return 0; //No layouts - nothing to do
2381     }
2382     if (iter.u.list==NULL) {
2383         return 0;
2384     }
2385
2386     iter.u.list=g_list_first(iter.u.list);
2387
2388     while(iter.u.list) {
2389         l=(struct layout*)iter.u.list->data;
2390         if (!strcmp(name,l->name)) {
2391             layout_attr.u.layout=l;
2392             layout_attr.type=attr_layout;
2393             navit_set_attr(n,&layout_attr);
2394             iter.u.list=g_list_first(iter.u.list);
2395             return 1;
2396         }
2397         iter.u.list=g_list_next(iter.u.list);
2398     }
2399
2400     iter.u.list=g_list_first(iter.u.list);
2401     return 0;
2402 }
2403
2404 int
2405 navit_block(struct navit *this_, int block)
2406 {
2407         if (block) {
2408                 this_->blocked |= 1;
2409                 if (graphics_draw_cancel(this_->gra, this_->displaylist))
2410                         this_->blocked |= 2;
2411                 return 0;
2412         }
2413         if (this_->blocked & 2) {
2414                 this_->blocked=0;
2415                 navit_draw(this_);
2416                 return 1;
2417         }
2418         this_->blocked=0;
2419         return 0;
2420 }
2421
2422 void
2423 navit_destroy(struct navit *this_)
2424 {
2425         /* TODO: destroy objects contained in this_ */
2426         if (this_->vehicle)
2427                 vehicle_destroy(this_->vehicle->vehicle);
2428         char *center_file = navit_get_center_file(TRUE);
2429         navit_write_center_to_file(this_, center_file);
2430         g_free(center_file);
2431         callback_destroy(this_->nav_speech_cb);
2432         callback_destroy(this_->roadbook_callback);
2433         callback_destroy(this_->popup_callback);
2434         callback_destroy(this_->motion_timeout_callback);
2435         if(this_->gra)
2436           graphics_remove_callback(this_->gra, this_->resize_callback);
2437         callback_destroy(this_->resize_callback);
2438         if(this_->gra)
2439           graphics_remove_callback(this_->gra, this_->button_callback);
2440         callback_destroy(this_->button_callback);
2441         if(this_->gra)
2442           graphics_remove_callback(this_->gra, this_->motion_callback);
2443         callback_destroy(this_->motion_callback);
2444         g_free(this_);
2445 }
2446
2447 /** @} */