/**
 * Navit, a modular navigation system.
 * Copyright (C) 2005-2009 Navit Team
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * version 2 as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the
 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA  02110-1301, USA.
 */

#define _USE_MATH_DEFINES 1
#include "config.h"
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <signal.h>
#include <string.h>
#include <fcntl.h>
#include <glib.h>
#include <math.h>
#include <time.h>
#include "debug.h"
#include "navit.h"
#include "callback.h"
#include "gui.h"
#include "item.h"
#include "projection.h"
#include "map.h"
#include "mapset.h"
#include "main.h"
#include "coord.h"
#include "point.h"
#include "transform.h"
#include "param.h"
#include "menu.h"
#include "graphics.h"
#include "popup.h"
#include "data_window.h"
#include "route.h"
#include "navigation.h"
#include "speech.h"
#include "track.h"
#include "vehicle.h"
#include "layout.h"
#include "log.h"
#include "attr.h"
#include "event.h"
#include "file.h"
#include "profile.h"
#include "command.h"
#include "navit_nls.h"
#include "map.h"
#include "util.h"
#include "messages.h"
#include "vehicleprofile.h"
#include "sunriset.h"
#include "bookmarks.h"
#ifdef HAVE_API_WIN32_BASE
#include <windows.h>
#include "util.h"
#endif
#ifdef HAVE_API_WIN32_CE
#include "libc.h"
#endif

/**
 * @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
 * @{
 */


struct gui *main_loop_gui;

struct attr_iter {
	union {
		GList *list;
		struct mapset_handle *mapset_handle;
	} u;
};

static void navit_vehicle_update(struct navit *this_, struct navit_vehicle *nv);
static void navit_vehicle_draw(struct navit *this_, struct navit_vehicle *nv, struct point *pnt);
static int navit_add_vehicle(struct navit *this_, struct vehicle *v);
static int navit_set_attr_do(struct navit *this_, struct attr *attr, int init);
static int navit_get_cursor_pnt(struct navit *this_, struct point *p, int keep_orientation, int *dir);
static void navit_set_cursors(struct navit *this_);
static void navit_cmd_zoom_to_route(struct navit *this);
static void navit_cmd_set_center_cursor(struct navit *this_);
static void navit_cmd_announcer_toggle(struct navit *this_);
static void navit_set_vehicle(struct navit *this_, struct navit_vehicle *nv);

int allow_gui_internal = 0;
int routing_mode = 0;
int MYSTERY_SPEED = 2;

struct navit *global_navit;

void
navit_add_mapset(struct navit *this_, struct mapset *ms)
{
	//dbg(0,"EEnter\n");
	this_->mapsets = g_list_append(this_->mapsets, ms);
}

struct mapset *
navit_get_mapset(struct navit *this_)
{
	//dbg(0,"EEnter\n");
	if(this_->mapsets){
		return this_->mapsets->data;
	} else {
		dbg(0,"No mapsets enabled! Is it on purpose? Navit can't draw a map. Please check your navit.xml\n");
	}
	return NULL;
}

struct tracking *
navit_get_tracking(struct navit *this_)
{
	//dbg(0,"EEnter\n");
	return this_->tracking;
}

/**
 * @brief	Get the user data directory.
 * @param[in]	 create	- create the directory if it does not exist
 *
 * @return	char * to the data directory string.
 *
 * returns the directory used to store user data files (center.txt,
 * destination.txt, bookmark.txt, ...)
 *
 */
char*
navit_get_user_data_directory(int create) {
	//dbg(0,"EEnter\n");
	char *dir;
	dir = getenv("NAVIT_USER_DATADIR");
	if (create && !file_exists(dir)) {
		dbg(0,"creating dir %s\n", dir);
		if (file_mkdir(dir,0)) {
			dbg(0,"failed creating dir %s\n", dir);
			return NULL;
		}
	}
	return dir;
} /* end: navit_get_user_data_directory(gboolean create) */


void
navit_draw_async(struct navit *this_, int async)
{
	//dbg(0,"EEnter this_->blocked=%d\n",this_->blocked);
	if (this_->blocked)
	{
		this_->blocked |= 2;
		//dbg(0,"set this_->blocked=%d\n",this_->blocked);
		return;
	}
	transform_setup_source_rect(this_->trans);
	graphics_draw(this_->gra, this_->displaylist, this_->mapsets->data, this_->trans, this_->layout_current, async, NULL, this_->graphics_flags|1);
}

void
navit_draw(struct navit *this_)
{
	//dbg(0,"EEnter this_->ready=%d\n",this_->ready);
	if (this_->ready == 3)
	{
		//dbg(0,"navit_draw_async_001\n");
		navit_draw_async(this_, 0);
	}
}

int
navit_get_ready(struct navit *this_)
{
	//dbg(0,"EEnter\n");
	return this_->ready;
}



void
navit_draw_displaylist(struct navit *this_)
{
	//dbg(0,"EEnter\n");
	if (this_->ready == 3)
	{
		// dbg(0,"call graphics_displaylist_draw 2")
		graphics_displaylist_draw(this_->gra, this_->displaylist, this_->trans, this_->layout_current, this_->graphics_flags|1);
	}
}

static void
navit_map_progress(struct navit *this_)
{
	//dbg(0,"EEnter\n");
	struct map *map;
	struct mapset *ms;
	struct mapset_handle *msh;
	struct attr attr;
	struct point p;
	if (this_->ready != 3)
		return;
	p.x=10;
	p.y=32;

	ms=this_->mapsets->data;
	msh=mapset_open(ms);
	while (msh && (map=mapset_next(msh, 0))) {
		if (map_get_attr(map, attr_progress, &attr, NULL)) {
			char *str=g_strdup_printf("%s           ",attr.u.str);
			graphics_draw_mode(this_->gra, draw_mode_begin);
			graphics_draw_text_std(this_->gra, 16, str, &p);
			g_free(str);
			p.y+=32;
			graphics_draw_mode(this_->gra, draw_mode_end);
		}
	}
	mapset_close(msh);
}

static void
navit_redraw_route(struct navit *this_, struct route *route, struct attr *attr)
{
	//dbg(0,"EEnter\n");
	int updated;

	if ((this_->route)&&(this_->route->route_status_was_updated == 1))
	{
		this_->route->route_status_was_updated=0;
		// send route_status to java
#ifdef HAVE_API_ANDROID
		android_return_generic_int(1, this_->route->route_status);
#endif
	}

	if (attr->type != attr_route_status)
	{
		//dbg(0,"ret 1\n");
		return;
	}
	updated=attr->u.num;
	//dbg(0,"updated=%d\n", updated);
	if (this_->ready != 3)
	{
		//dbg(0,"ret 2\n");
		return;
	}
	if (updated != route_status_path_done_new)
	{
		//dbg(0,"ret 3\n");
		return;
	}
	if (this_->vehicle)
	{
		if (this_->vehicle->follow_curr == 1)
		{
			//dbg(0,"ret 4\n");
			//dbg(0,"disabled -> we want redraw!!\n");
			// return;
		}
		if (this_->vehicle->follow_curr <= this_->vehicle->follow)
		{
			this_->vehicle->follow_curr=this_->vehicle->follow;
		}
	}
	//dbg(0,"draw s*\n");
	navit_draw(this_);
	//dbg(0,"draw e*\n");
}

void
navit_handle_resize(struct navit *this_, int w, int h)
{
	//dbg(0,"EEnter\n");
	struct map_selection sel;
	int callback=(this_->ready == 1);
	//dbg(0,"pre this_->ready=%d\n",this_->ready);
	this_->ready |= 2;
	//dbg(0,"set this_->ready=%d\n",this_->ready);
	memset(&sel, 0, sizeof(sel));
	this_->w=w;
	this_->h=h;
	sel.u.p_rect.rl.x=w;
	sel.u.p_rect.rl.y=h;
	transform_set_screen_selection(this_->trans, &sel);
	graphics_init(this_->gra);
	graphics_set_rect(this_->gra, &sel.u.p_rect);
	if (callback) 
		callback_list_call_attr_1(this_->attr_cbl, attr_graphics_ready, this_);
	if (this_->ready == 3)
	{
		//dbg(0,"navit_draw_async_002\n");
		navit_draw_async(this_, 1);
	}
}

static void
navit_resize(void *data, int w, int h)
{
	//dbg(0,"EEnter\n");
	struct navit *this=data;
	if (!this->ignore_graphics_events)
		navit_handle_resize(this, w, h);
}

int
navit_get_width(struct navit *this_)
{
	//dbg(0,"EEnter\n");
	return this_->w;
}


int
navit_get_height(struct navit *this_)
{
	//dbg(0,"EEnter\n");
	return this_->h;
}

static void
navit_popup(void *data)
{
	//dbg(0,"EEnter\n");
	struct navit *this_=data;
	popup(this_, 1, &this_->pressed);
	this_->button_timeout=NULL;
	this_->popped=1;
}


int
navit_ignore_button(struct navit *this_)
{
	//dbg(0,"EEnter\n");
	if (this_->ignore_button)
		return 1;
	this_->ignore_button=1;
	return 0;
}

void
navit_ignore_graphics_events(struct navit *this_, int ignore)
{
	//dbg(0,"EEnter\n");
	this_->ignore_graphics_events=ignore;
}

static void
update_transformation(struct transformation *tr, struct point *old, struct point *new, struct point *rot)
{
	//dbg(0,"EEnter\n");
	struct coord co,cn;
	struct coord c,*cp;
	int yaw;
	double angleo,anglen;

	if (!transform_reverse(tr, old, &co))
		return;
	if (rot) {
		angleo=atan2(old->y-rot->y, old->x-rot->x)*180/M_PI;
		anglen=atan2(new->y-rot->y, new->x-rot->x)*180/M_PI;
		yaw=transform_get_yaw(tr)+angleo-anglen;
		transform_set_yaw(tr, yaw % 360);
	}
	if (!transform_reverse(tr, new, &cn))
		return;
	cp=transform_get_center(tr);
	c.x=cp->x+co.x-cn.x;
	c.y=cp->y+co.y-cn.y;
	dbg(1,"from 0x%x,0x%x to 0x%x,0x%x\n", cp->x, cp->y, c.x, c.y);
	transform_set_center(tr, &c);
}

void
navit_set_timeout(struct navit *this_)
{
	//dbg(0,"EEnter\n");
	struct attr follow;
	follow.type=attr_follow;
	follow.u.num=this_->center_timeout;
	navit_set_attr(this_, &follow);
}

int
navit_handle_button(struct navit *this_, int pressed, int button, struct point *p, struct callback *popup_callback)
{
	//dbg(0,"EEnter\n");
	int border=16;

	dbg(1,"enter %d %d (ignore %d)\n",pressed,button,this_->ignore_button);
	callback_list_call_attr_4(this_->attr_cbl, attr_button, this_, GINT_TO_POINTER(pressed), GINT_TO_POINTER(button), p);
	if (this_->ignore_button) {
		this_->ignore_button=0;
		return 0;
	}
	if (pressed) {
		this_->pressed=*p;
		this_->last=*p;
		this_->zoomed=0;
		if (button == 1) {
			this_->button_pressed=1;
			this_->moved=0;
			this_->popped=0;
			if (popup_callback)
				this_->button_timeout=event_add_timeout(500, 0, popup_callback);
		}
		if (button == 2)
			navit_set_center_screen(this_, p, 1);
		if (button == 3)
			popup(this_, button, p);
		if (button == 4 && this_->use_mousewheel) {
			this_->zoomed = 1;
			navit_zoom_in(this_, 2, p);
		}
		if (button == 5 && this_->use_mousewheel) {
			this_->zoomed = 1;
			navit_zoom_out(this_, 2, p);
		}
	} else {

		this_->button_pressed=0;
		if (this_->button_timeout) {
			event_remove_timeout(this_->button_timeout);
			this_->button_timeout=NULL;
			if (! this_->moved && ! transform_within_border(this_->trans, p, border)) {
				navit_set_center_screen(this_, p, !this_->zoomed);
			}
		}
		if (this_->motion_timeout) {
			event_remove_timeout(this_->motion_timeout);
			this_->motion_timeout=NULL;
		}
		if (this_->moved) {
			struct point pr;
			pr.x=this_->w/2;
			pr.y=this_->h;
#if 0
			update_transformation(this_->trans, &this_->pressed, p, &pr);
#else
			update_transformation(this_->trans, &this_->pressed, p, NULL);
#endif
			graphics_draw_drag(this_->gra, NULL);
			transform_copy(this_->trans, this_->trans_cursor);
			graphics_overlay_disable(this_->gra, 0);
			if (!this_->zoomed) 
				navit_set_timeout(this_);
			navit_draw(this_);
		} else
			return 1;
	}
	return 0;
}

static void
navit_button(void *data, int pressed, int button, struct point *p)
{
	//dbg(0,"EEnter\n");
	struct navit *this=data;
	dbg(1,"enter %d %d ignore %d\n",pressed,button,this->ignore_graphics_events);
	if (!this->ignore_graphics_events) {
		if (! this->popup_callback)
			this->popup_callback=callback_new_1(callback_cast(navit_popup), this);
		navit_handle_button(this, pressed, button, p, this->popup_callback);
	}
}


static void
navit_motion_timeout(struct navit *this_)
{
	//dbg(0,"EEnter\n");
	int dx, dy;

	if (this_->drag_bitmap) {
		struct point point;
		point.x=(this_->current.x-this_->pressed.x);
		point.y=(this_->current.y-this_->pressed.y);
		if (graphics_draw_drag(this_->gra, &point)) {
			graphics_overlay_disable(this_->gra, 1);
			graphics_draw_mode(this_->gra, draw_mode_end);
			this_->moved=1;
			this_->motion_timeout=NULL;
			return;
		}
	} 
	dx=(this_->current.x-this_->last.x);
	dy=(this_->current.y-this_->last.y);
	if (dx || dy) {
		struct transformation *tr;
		struct point pr;
		this_->last=this_->current;
		graphics_overlay_disable(this_->gra, 1);
		tr=transform_dup(this_->trans);
		pr.x=this_->w/2;
		pr.y=this_->h;
#if 0
		update_transformation(tr, &this_->pressed, &this_->current, &pr);
#else
		update_transformation(tr, &this_->pressed, &this_->current, NULL);
#endif
#if 0
		graphics_displaylist_move(this_->displaylist, dx, dy);
#endif
		graphics_draw_cancel(this_->gra, this_->displaylist);
		// dbg(0,"call graphics_displaylist_draw 1")
		graphics_displaylist_draw(this_->gra, this_->displaylist, tr, this_->layout_current, this_->graphics_flags);
		transform_destroy(tr);
		this_->moved=1;
	}
	this_->motion_timeout=NULL;
	return;
}

void
navit_handle_motion(struct navit *this_, struct point *p)
{
	//dbg(0,"EEnter\n");
	int dx, dy;

	if (this_->button_pressed && !this_->popped) {
		dx=(p->x-this_->pressed.x);
		dy=(p->y-this_->pressed.y);
		if (dx < -8 || dx > 8 || dy < -8 || dy > 8) {
			this_->moved=1;
			if (this_->button_timeout) {
				event_remove_timeout(this_->button_timeout);
				this_->button_timeout=NULL;
			}
			this_->current=*p;
			if (! this_->motion_timeout_callback)
				this_->motion_timeout_callback=callback_new_1(callback_cast(navit_motion_timeout), this_);
			if (! this_->motion_timeout)
				this_->motion_timeout=event_add_timeout(100, 0, this_->motion_timeout_callback);
		}
	}
}

static void
navit_motion(void *data, struct point *p)
{
	//dbg(0,"EEnter\n");
	struct navit *this=data;
	if (!this->ignore_graphics_events) 
		navit_handle_motion(this, p);
}

static void
navit_predraw(struct navit *this_)
{
	//dbg(0,"EEnter\n");
	GList *l;
	struct navit_vehicle *nv;
	transform_copy(this_->trans, this_->trans_cursor);
	l=this_->vehicles;
	while (l)
	{
		nv=l->data;
		//dbg(0,"* here *\n");
		//dbg(0,"vehicle_draw_004\n");
		navit_vehicle_draw(this_, nv, NULL);
		l=g_list_next(l);
	}
}

static void
navit_scale(struct navit *this_, long scale, struct point *p, int draw)
{
	//dbg(0,"EEnter\n");
	struct coord c1, c2, *center;

	if (scale < this_->zoom_min)
	{
		scale=this_->zoom_min;
	}

	if (scale > this_->zoom_max)
	{
		scale=this_->zoom_max;
	}

	// return scale value to android
#ifdef HAVE_API_ANDROID
	android_return_generic_int(3, (int)scale);
#endif

	if (p)
	{
		transform_reverse(this_->trans, p, &c1);
	}

	transform_set_scale(this_->trans, scale);

	if (p)
	{
		transform_reverse(this_->trans, p, &c2);
		center = transform_center(this_->trans);
		center->x += c1.x - c2.x;
		center->y += c1.y - c2.y;
	}

	if (draw)
	{
		navit_draw(this_);
	}
}

/**
 * @brief Automatically adjusts zoom level
 *
 * This function automatically adjusts the current
 * zoom level according to the current speed.
 *
 * @param this_ The navit struct
 * @param center The "immovable" point - i.e. the vehicles position if we're centering on the vehicle
 * @param speed The vehicles speed in meters per second
 * @param dir The direction into which the vehicle moves
 */
static void
navit_autozoom(struct navit *this_, struct coord *center, int speed, int draw)
{
	struct point pc;
	int distance,w,h;
	double new_scale;
	long scale;

	if (! this_->autozoom_active) {
		return;
	}

	distance = speed * this_->autozoom_secs;

	transform_get_size(this_->trans, &w, &h);
	transform(this_->trans, transform_get_projection(this_->trans), center, &pc, 1, 0, 0, NULL);
	scale = transform_get_scale(this_->trans);

	/* We make sure that the point we want to see is within a certain range
	 * around the vehicle. The radius of this circle is the size of the
	 * screen. This doesn't necessarily mean the point is visible because of
	 * perspective etc. Quite rough, but should be enough. */
	
	if (w > h) {
		new_scale = (double)distance / h * 16; 
	} else {
		new_scale = (double)distance / w * 16; 
	}

	if (abs(new_scale - scale) < 2) { 
		return; // Smoothing
	}
	
	if (new_scale >= this_->autozoom_min) {
		navit_scale(this_, (long)new_scale, &pc, 0);
	} else {
		if (scale != this_->autozoom_min) {
			navit_scale(this_, this_->autozoom_min, &pc, 0);
		}
	}
}

/**
 * Change the current zoom level, zooming closer to the ground
 *
 * @param navit The navit instance
 * @param factor The zoom factor, usually 2
 * @param p The invariant point (if set to NULL, default to center)
 * @returns nothing
 */
void
navit_zoom_in(struct navit *this_, int factor, struct point *p)
{
	//dbg(0,"EEnter\n");
	long scale=transform_get_scale(this_->trans)/factor;
	if (scale < 1)
		scale=1;
	//dbg(0,"zoom in -> scale=%d",scale);
	navit_scale(this_, scale, p, 1);
}

/**
 * Change the current zoom level
 *
 * @param navit The navit instance
 * @param factor The zoom factor, usually 2
 * @param p The invariant point (if set to NULL, default to center)
 * @returns nothing
 */
void
navit_zoom_out(struct navit *this_, int factor, struct point *p)
{
	//dbg(0,"EEnter\n");
	long scale=transform_get_scale(this_->trans)*factor;
	//dbg(0,"zoom out -> scale=%d",scale);
	navit_scale(this_, scale, p, 1);
}

int
navit_get_cur_pnt(struct navit *this_, struct point *p)
{
	//dbg(0,"EEnter\n");
	return navit_get_cursor_pnt(this_, p, 0, NULL);
}

void
navit_zoom_in_cursor(struct navit *this_, int factor)
{
	//dbg(0,"EEnter\n");
	struct point p;
	if (this_->vehicle && this_->vehicle->follow_curr <= 1 && navit_get_cursor_pnt(this_, &p, 0, NULL)) {
		navit_zoom_in(this_, factor, &p);
		this_->vehicle->follow_curr=this_->vehicle->follow;
	} else
		navit_zoom_in(this_, factor, NULL);
}

void
navit_zoom_to_scale(struct navit *this_, int new_scale)
{
	//dbg(0,"EEnter\n");
	long scale=transform_get_scale(this_->trans);
	long new_scale_long=new_scale;
	//dbg(0,"zoom to scale -> old scale=%d",scale);
	//dbg(0,"zoom to scale -> want scale=%d",new_scale_long);

	// only do something if scale changed!
	if (scale != new_scale_long)
	{
		navit_scale(this_, new_scale_long, NULL, 1);
	}
}

void
navit_zoom_out_cursor(struct navit *this_, int factor)
{
	//dbg(0,"EEnter\n");
	struct point p;
	if (this_->vehicle && this_->vehicle->follow_curr <= 1 && navit_get_cursor_pnt(this_, &p, 0, NULL)) {
		navit_zoom_out(this_, 2, &p);
		this_->vehicle->follow_curr=this_->vehicle->follow;
	} else
		navit_zoom_out(this_, 2, NULL);
}

static int
navit_cmd_zoom_in(struct navit *this_)
{
	//dbg(0,"EEnter\n");
	navit_zoom_in_cursor(this_, 2);
	return 0;
}

static int
navit_cmd_zoom_out(struct navit *this_)
{
	//dbg(0,"EEnter\n");
	navit_zoom_out_cursor(this_, 2);
	return 0;
}


static void
navit_cmd_say(struct navit *this, char *function, struct attr **in, struct attr ***out, int *valid)
{
	//dbg(0,"EEnter\n");
	if (in && in[0] && ATTR_IS_STRING(in[0]->type) && in[0]->u.str) 
		navit_say(this, in[0]->u.str);
}

static GHashTable *cmd_int_var_hash = NULL;
static GHashTable *cmd_attr_var_hash = NULL;

/**
 * Store key value pair for the  command system (for int typed values)
 *
 * @param navit The navit instance
 * @param function unused (needed to match command function signiture)
 * @param in input attributes in[0] is the key string, in[1] is the integer value to store
 * @param out output attributes, unused 
 * @param valid unused 
 * @returns nothing
 */
static void
navit_cmd_set_int_var(struct navit *this, char *function, struct attr **in, struct attr ***out, int *valid)
{
	//dbg(0,"EEnter\n");
	char*key;
	struct attr*val;
	if(!cmd_int_var_hash) {
		cmd_int_var_hash = g_hash_table_new(g_str_hash, g_str_equal);
	}

	if ( (in && in[0] && ATTR_IS_STRING(in[0]->type) && in[0]->u.str) &&
	     (in && in[1] && ATTR_IS_NUMERIC(in[1]->type))) {
		val = g_new(struct attr,1);
		attr_dup_content(in[1],val);
		key = g_strdup(in[0]->u.str);
		g_hash_table_insert(cmd_int_var_hash, key, val);
        }
}


/**
 * Store key value pair for the  command system (for attr typed values, can be used as opaque handles)
 *
 * @param navit The navit instance
 * @param function unused (needed to match command function signiture)
 * @param in input attributes in[0] is the key string, in[1] is the attr* value to store
 * @param out output attributes, unused 
 * @param valid unused 
 * @returns nothing
 */
//TODO free stored attributes on navit_destroy
static void
navit_cmd_set_attr_var(struct navit *this, char *function, struct attr **in, struct attr ***out, int *valid)
{
	//dbg(0,"EEnter\n");
	char*key;
	struct attr*val;
	if(!cmd_attr_var_hash) {
		cmd_attr_var_hash = g_hash_table_new(g_str_hash, g_str_equal);
	}

	if ( (in && in[0] && ATTR_IS_STRING(in[0]->type) && in[0]->u.str) &&
	     (in && in[1] )) {
		val = attr_dup(in[1]);
		//val = in[1];
		key = g_strdup(in[0]->u.str);
		g_hash_table_insert(cmd_attr_var_hash, key, val);
        }
}



/**
 * command to toggle the active state of a named layer of the current layout
 *
 * @param navit The navit instance
 * @param function unused (needed to match command function signiture)
 * @param in input attribute in[0] is the name of the layer
 * @param out output unused
 * @param valid unused 
 * @returns nothing
 */
static void
navit_cmd_toggle_layer(struct navit *this, char *function, struct attr **in, struct attr ***out, int *valid)
{
	//dbg(0,"EEnter\n");
	if (in && in[0] && ATTR_IS_STRING(in[0]->type) && in[0]->u.str) {
		if(this->layout_current && this->layout_current->layers) {
			GList* layers = this->layout_current->layers;
			while (layers) {
				struct layer*l=layers->data;
				if(l && !strcmp(l->name,in[0]->u.str) ) {
					l->active ^= 1;
					navit_draw(this);
					return;
				}
				layers=g_list_next(layers);
			}
		}
        }
}

/**
 * adds an item with the current coordinate of the vehicle to a named map
 *
 * @param navit The navit instance
 * @param function unused (needed to match command function signiture)
 * @param in input attribute in[0] is the name of the map 
 * @param out output attribute, 0 on error or the id of the created item on success
 * @param valid unused 
 * @returns nothing
 */
static void
navit_cmd_map_add_curr_pos(struct navit *this, char *function, struct attr **in, struct attr ***out, int *valid)
{
	//dbg(0,"EEnter\n");
	struct attr **list = g_new0(struct attr *,2);
	struct attr*val = g_new0(struct attr,1);
	struct mapset* ms;
	struct map_selection sel;
	const int selection_range = 10;
	enum item_type item_type;
	struct item *it;
	struct map* curr_map = NULL;
	struct coord curr_coord;
	struct map_rect *mr;

	val->type   = attr_type_item_begin;
	val->u.item  = NULL;	//return invalid item on error
	list[0]     = val;
	list[1]     = NULL;
	*out = list;
	if (
		in && in[0] && ATTR_IS_STRING(in[0]->type) && in[0]->u.str && //map name
		      in[1] && ATTR_IS_STRING(in[1]->type) && in[1]->u.str    //item type
	) {

		if(!(ms=navit_get_mapset(this))) {
			return;
		}

		if((item_type = item_from_name(in[1]->u.str))==type_none) {
			return;
		}

		curr_map = mapset_get_map_by_name(ms, in[0]->u.str);

		//no map with the given name found
		if( ! curr_map) {
			return;
		}
	
		if(this->vehicle && this->vehicle->vehicle ) {
			struct attr pos_attr;
			if(vehicle_get_attr(this->vehicle->vehicle,attr_position_coord_geo,&pos_attr,NULL)) {
				transform_from_geo(projection_mg, pos_attr.u.coord_geo, &curr_coord);
			} else {
				return;
			}
		} else {
			return;
		}

		sel.next=NULL;
		sel.order=18;
		sel.range.min=type_none;
		sel.range.max=type_tec_common;
		sel.u.c_rect.lu.x=curr_coord.x-selection_range;
		sel.u.c_rect.lu.y=curr_coord.y+selection_range;
		sel.u.c_rect.rl.x=curr_coord.x+selection_range;
		sel.u.c_rect.rl.y=curr_coord.y-selection_range;
 
		mr = map_rect_new(curr_map, &sel);
		if(mr) {
			it = map_rect_create_item( mr, item_type);
			item_coord_set(it,&curr_coord, 1, change_mode_modify);
			val->u.item  = it;
		}
		map_rect_destroy(mr);
        }
}

/**
 * sets an attribute (name value pair) of a map item specified by map name and item id
 *
 * @param navit The navit instance
 * @param function unused (needed to match command function signiture)
 * @param in input attribute in[0] - name of the map  ; in[1] - item  ; in[2] - attr name ; in[3] - attr value
 * @param out output attribute, 0 on error, 1 on success
 * @param valid unused 
 * @returns nothing
 */
static void
navit_cmd_map_item_set_attr(struct navit *this, char *function, struct attr **in, struct attr ***out, int *valid)
{
	//dbg(0,"EEnter\n");
	if (
		in && in[0] && ATTR_IS_STRING(in[0]->type) && in[0]->u.str  &&//map name
		      in[1] && ATTR_IS_ITEM(in[1]->type)   &&                  //item
		      in[2] && ATTR_IS_STRING(in[2]->type) && in[2]->u.str && //attr_type str
		      in[3] && ATTR_IS_STRING(in[3]->type) && in[3]->u.str    //attr_value str
	) {
		struct attr attr_to_set;
		struct map* curr_map = NULL;
		struct mapset *ms;
		struct map_selection sel;
		const int selection_range = 500;
		struct coord curr_coord;
		struct item *it;
		
		if(ATTR_IS_STRING(attr_from_name(in[2]->u.str))) {
			attr_to_set.u.str = in[3]->u.str;
			attr_to_set.type = attr_from_name(in[2]->u.str);
		}
		else if(ATTR_IS_INT(attr_from_name(in[2]->u.str))) {
			attr_to_set.u.num = atoi(in[3]->u.str);
			attr_to_set.type = attr_from_name(in[2]->u.str);
		}
		else if(ATTR_IS_DOUBLE(attr_from_name(in[2]->u.str))) {
			double* val = g_new0(double,1);
			*val = atof(in[3]->u.str);
			attr_to_set.u.numd = val;
			attr_to_set.type = attr_from_name(in[2]->u.str);
		}

		ms = navit_get_mapset(this);

		curr_map = mapset_get_map_by_name(ms, in[0]->u.str);

		if( ! curr_map) {
			return;
		}
		sel.next=NULL;
		sel.order=18;
		sel.range.min=type_none;
		sel.range.max=type_tec_common;
		sel.u.c_rect.lu.x=curr_coord.x-selection_range;
		sel.u.c_rect.lu.y=curr_coord.y+selection_range;
		sel.u.c_rect.rl.x=curr_coord.x+selection_range;
		sel.u.c_rect.rl.y=curr_coord.y-selection_range;
 
		it = in[1]->u.item;
		if(it) {
			item_attr_set(it, &attr_to_set, change_mode_modify);
		}
	}
}

/**
 * Get attr variable given a key string for the command system (for opaque usage)
 *
 * @param navit The navit instance
 * @param function unused (needed to match command function signiture)
 * @param in input attribute in[0] is the key string
 * @param out output attribute, the attr for the given key string if exists or NULL  
 * @param valid unused 
 * @returns nothing
 */
static void
navit_cmd_get_attr_var(struct navit *this, char *function, struct attr **in, struct attr ***out, int *valid)
{
	//dbg(0,"EEnter\n");
	struct attr **list = g_new0(struct attr *,2);
	if(!cmd_int_var_hash) {
		struct attr*val = g_new0(struct attr,1);
		val->type   = attr_type_item_begin;
		val->u.item = NULL;
		list[0]     = val;
	}
	if (in && in[0] && ATTR_IS_STRING(in[0]->type) && in[0]->u.str) {
		struct attr*ret = g_hash_table_lookup(cmd_attr_var_hash, in[0]->u.str);
                if(ret) {
			list[0] = attr_dup(ret);
		}
		else {
			struct attr*val = g_new0(struct attr,1);
			val->type   = attr_type_int_begin;
			val->u.item = NULL;
			list[0]   = val;
		}
        }
	list[1] = NULL;
	*out = list;
}


/**
 * Get value given a key string for the command system
 *
 * @param navit The navit instance
 * @param function unused (needed to match command function signiture)
 * @param in input attribute in[0] is the key string
 * @param out output attribute, the value for the given key string if exists or 0  
 * @param valid unused 
 * @returns nothing
 */
static void
navit_cmd_get_int_var(struct navit *this, char *function, struct attr **in, struct attr ***out, int *valid)
{
	//dbg(0,"EEnter\n");
	struct attr **list = g_new0(struct attr *,2);
	if(!cmd_int_var_hash) {
		struct attr*val = g_new0(struct attr,1);
		val->type   = attr_type_int_begin;
		val->u.num  = 0;
		list[0]     = val;
	}
	if (in && in[0] && ATTR_IS_STRING(in[0]->type) && in[0]->u.str) {
		struct attr*ret = g_hash_table_lookup(cmd_int_var_hash, in[0]->u.str);
                if(ret) {
			list[0] = ret;
		}
		else {
			struct attr*val = g_new0(struct attr,1);
			val->type   = attr_type_int_begin;
			val->u.num  = 0;
			list[0]   = val;
		}
        }
	list[1] = NULL;
	*out = list;
}

GList *cmd_int_var_stack = NULL;

/**
 * Push an integer to the stack for the command system
 *
 * @param navit The navit instance
 * @param function unused (needed to match command function signiture)
 * @param in input attribute in[0] is the integer attibute to push
 * @param out output attributes, unused 
 * @param valid unused 
 * @returns nothing
 */
static void
navit_cmd_push_int(struct navit *this, char *function, struct attr **in, struct attr ***out, int *valid)
{
	//dbg(0,"EEnter\n");
	if (in && in[0] && ATTR_IS_NUMERIC(in[0]->type)) {
		struct attr*val = g_new(struct attr,1);
		attr_dup_content(in[0],val);
		cmd_int_var_stack = g_list_prepend(cmd_int_var_stack, val);
	}
}

/**
 * Pop an integer from the command system's integer stack
 *
 * @param navit The navit instance
 * @param function unused (needed to match command function signiture)
 * @param in input attributes unused
 * @param out output attribute, the value popped if stack isn't empty or 0
 * @param valid unused 
 * @returns nothing
 */
static void
navit_cmd_pop_int(struct navit *this, char *function, struct attr **in, struct attr ***out, int *valid)
{
	//dbg(0,"EEnter\n");
	struct attr **list = g_new0(struct attr *,2);
	if(!cmd_int_var_stack) {
		struct attr*val = g_new0(struct attr,1);
		val->type = attr_type_int_begin;
		val->u.num  = 0;
		list[0]   = val;
	}
	else {
		list[0] = cmd_int_var_stack->data;
		cmd_int_var_stack = g_list_remove_link(cmd_int_var_stack,cmd_int_var_stack);
	}
	list[1] = NULL;
	*out = list;
}

/**
 * Get current size of command system's integer stack
 *
 * @param navit The navit instance
 * @param function unused (needed to match command function signiture)
 * @param in input attributes unused
 * @param out output attribute, the size of stack
 * @param valid unused 
 * @returns nothing
 */
static void
navit_cmd_int_stack_size(struct navit *this, char *function, struct attr **in, struct attr ***out, int *valid)
{
	//dbg(0,"EEnter\n");
	struct attr **list;
	struct attr *attr  = g_new0(struct attr  ,1);
	attr->type  = attr_type_int_begin;
	if(!cmd_int_var_stack) {
		attr->u.num = 0; 
	}
	else {
		attr->u.num = g_list_length(cmd_int_var_stack); 
	}
	list = g_new0(struct attr *,2);
	list[0] = attr;
	list[1] = NULL;
	*out = list;
	cmd_int_var_stack = g_list_remove_link(cmd_int_var_stack,cmd_int_var_stack);
}

static void
navit_cmd_set_destination(struct navit *this, char *function, struct attr **in, struct attr ***out, int *valid)
{
	//dbg(0,"EEnter\n");
	struct pcoord pc;
	char *description=NULL;
	if (!in)
		return;
	if (!in[0])
		return;
	pc.pro = transform_get_projection(this->trans);
	if (ATTR_IS_COORD(in[0]->type)) {
		pc.x=in[0]->u.coord->x;
		pc.y=in[0]->u.coord->y;
		in++;
	} else if (ATTR_IS_PCOORD(in[0]->type)) {
		pc=*in[0]->u.pcoord;
		in++;
	} else if (in[1] && in[2] && ATTR_IS_INT(in[0]->type) && ATTR_IS_INT(in[1]->type) && ATTR_IS_INT(in[2]->type)) {
		pc.pro=in[0]->u.num;
		pc.x=in[1]->u.num;
		pc.y=in[2]->u.num;
		in+=3;
	} else if (in[1] && ATTR_IS_INT(in[0]->type) && ATTR_IS_INT(in[1]->type)) {
		pc.x=in[0]->u.num;
		pc.y=in[1]->u.num;
		in+=2;
	} else
		return;
	if (in[0] && ATTR_IS_STRING(in[0]->type))
		description=in[0]->u.str;
	navit_set_destination(this, &pc, description, 1);
}

static void
navit_cmd_fmt_coordinates(struct navit *this, char *function, struct attr **in, struct attr ***out, int *valid)
{
	//dbg(0,"EEnter\n");
	struct attr attr;
	attr.type=attr_type_string_begin;
	attr.u.str="Fix me";
	if (out) {
		*out=attr_generic_add_attr(*out, &attr);
	}
}

/**
 * Join several string attributes into one
 *
 * @param navit The navit instance
 * @param function unused (needed to match command function signiture)
 * @param in input attributes in[0] - separator, in[1..] - attributes to join
 * @param out output attribute joined attribute as string
 * @param valid unused 
 * @returns nothing
 */
static void
navit_cmd_strjoin(struct navit *this, char *function, struct attr **in, struct attr ***out, int *valid)
{
	//dbg(0,"EEnter\n");
	struct attr attr;
	gchar *ret, *sep;
	int i;
	attr.type=attr_type_string_begin;
	attr.u.str=NULL;
	if(in[0] && in[1]) {
		sep=attr_to_text(in[0],NULL,1);
		ret=attr_to_text(in[1],NULL,1);
		for(i=2;in[i];i++) {
			gchar *in_i=attr_to_text(in[i],NULL,1);
			gchar *r=g_strjoin(sep,ret,in_i,NULL);
			g_free(in_i);
			g_free(ret);
			ret=r;
		}
		g_free(sep);
		attr.u.str=ret;
		if(out) {
			*out=attr_generic_add_attr(*out, &attr);
		}
		g_free(ret);
	}
}

/**
 * Call external program
 *
 * @param navit The navit instance
 * @param function unused (needed to match command function signiture)
 * @param in input attributes in[0] - name of executable, in[1..] - parameters
 * @param out output attribute unused
 * @param valid unused 
 * @returns nothing
 */
static void
navit_cmd_spawn(struct navit *this, char *function, struct attr **in, struct attr ***out, int *valid)
{
	//dbg(0,"EEnter\n");
	int i,j, nparms, nvalid;
	const char ** argv=NULL;
	struct spawn_process_info *pi;

	nparms=0;
	nvalid=0;
	if(in) {
		while(in[nparms]) {
			if (in[nparms]->type!=attr_none) 
				nvalid++;
			nparms++;
		}
	}
	
	if(nvalid>0) {
		argv=g_new(char*,nvalid+1);
		for(i=0,j=0;in[i];i++) {
			if(in[i]->type!=attr_none ) {
				argv[j++]=attr_to_text(in[i],NULL,1);
			} else {
				dbg(0,"Parameter #%i is attr_none - skipping\n",i);
			}
		}
		argv[j]=NULL;
		pi=spawn_process(argv);
		
		// spawn_process() testing suite - uncomment following code to test.
		//sleep(3);
		// example of non-blocking wait
		//int st=spawn_process_check_status(pi,0);dbg(0,"status %i\n",st);
		// example of blocking wait
		//st=spawn_process_check_status(pi,1);dbg(0,"status %i\n",st);
		// example of wait after process is finished and status is
		// already tested
		//st=spawn_process_check_status(pi,1);dbg(0,"status %i\n",st);
		// example of wait after process is finished and status is
		// already tested - unblocked
		//st=spawn_process_check_status(pi,0);dbg(0,"status %i\n",st);
		
		// End testing suite
		spawn_process_info_free(pi);
		for(i=0;argv[i];i++)
			g_free(argv[i]);
		g_free(argv);
	}
}


static struct command_table commands[] = {
	{"zoom_in",command_cast(navit_cmd_zoom_in)},
	{"zoom_out",command_cast(navit_cmd_zoom_out)},
	{"zoom_to_route",command_cast(navit_cmd_zoom_to_route)},
	{"say",command_cast(navit_cmd_say)},
	{"set_center_cursor",command_cast(navit_cmd_set_center_cursor)},
	{"set_destination",command_cast(navit_cmd_set_destination)},
	{"announcer_toggle",command_cast(navit_cmd_announcer_toggle)},
	{"fmt_coordinates",command_cast(navit_cmd_fmt_coordinates)},
	{"set_int_var",command_cast(navit_cmd_set_int_var)},
	{"get_int_var",command_cast(navit_cmd_get_int_var)},
	{"push_int",command_cast(navit_cmd_push_int)},
	{"pop_int",command_cast(navit_cmd_pop_int)},
	{"int_stack_size",command_cast(navit_cmd_int_stack_size)},
	{"toggle_layer",command_cast(navit_cmd_toggle_layer)},
	{"strjoin",command_cast(navit_cmd_strjoin)},
	{"spawn",command_cast(navit_cmd_spawn)},
	{"map_add_curr_pos",command_cast(navit_cmd_map_add_curr_pos)},
	{"map_item_set_attr",command_cast(navit_cmd_map_item_set_attr)},
	{"set_attr_var",command_cast(navit_cmd_set_attr_var)},
	{"get_attr_var",command_cast(navit_cmd_get_attr_var)},
};
	
void 
navit_command_add_table(struct navit*this_, struct command_table *commands, int count)
{
	//dbg(0,"EEnter\n");
  command_add_table(this_->attr_cbl, commands, count, this_);
}

struct navit *
navit_new(struct attr *parent, struct attr **attrs)
{
	//dbg(0,"EEnter\n");
	struct navit *this_=g_new0(struct navit, 1);
	struct pcoord center;
	struct coord co;
	struct coord_geo g;
	enum projection pro=projection_mg;
	int zoom = 256;
	g.lat=53.13;
	g.lng=11.70;

	this_->self.type=attr_navit;
	this_->self.u.navit=this_;
	this_->attr_cbl=callback_list_new();

	this_->orientation=-1;
	this_->tracking_flag=1;
	this_->recentdest_count=10;
	this_->osd_configuration=-1;

	// changed default to 1
	this_->center_timeout = 1;
	this_->use_mousewheel = 1;
	this_->autozoom_secs = 10;
	this_->autozoom_min = 7;
	this_->autozoom_active = 0;
	this_->zoom_min = 1;
	this_->zoom_max = 1048576; //-> order=-2  // 2097152 -> order=-3;
	this_->follow_cursor = 1;
	this_->radius = 30;
	this_->border = 16;

	this_->trans = transform_new();
	this_->trans_cursor = transform_new();
	transform_from_geo(pro, &g, &co);
	center.x=co.x;
	center.y=co.y;
	center.pro = pro;

	dbg(0,"setting center from xmlfile [hardcoded]\n");
	transform_setup(this_->trans, &center, zoom, (this_->orientation != -1) ? this_->orientation : 0);

	// initialze trans_cursor here	
	transform_copy(this_->trans, this_->trans_cursor);
	// initialze trans_cursor here	

	this_->bookmarks=bookmarks_new(&this_->self, NULL, this_->trans);

	this_->prevTs=0;

	for (;*attrs; attrs++) {
		navit_set_attr_do(this_, *attrs, 1);
	}
	this_->displaylist=graphics_displaylist_new();
	command_add_table(this_->attr_cbl, commands, sizeof(commands)/sizeof(struct command_table), this_);

	this_->messages = messagelist_new(attrs);

	//dbg(0,"111111\n");
	
	return this_;
}

static int
navit_set_gui(struct navit *this_, struct gui *gui)
{
	//dbg(0,"EEnter\n");
	if (this_->gui)
		return 0;
	this_->gui=gui;
	if (gui_has_main_loop(this_->gui)) {
		if (! main_loop_gui) {
			main_loop_gui=this_->gui;
		} else {
			dbg(0,"gui with main loop already active, ignoring this instance");
			return 0;
		}
	}
	return 1;
}

void 
navit_add_message(struct navit *this_, char *message)
{
	//dbg(0,"EEnter\n");
	message_new(this_->messages, message);
}

struct message
*navit_get_messages(struct navit *this_)
{
	//dbg(0,"EEnter\n");
	return message_get(this_->messages);
}

static int
navit_set_graphics(struct navit *this_, struct graphics *gra)
{
	//dbg(0,"EEnter\n");
	if (this_->gra)
		return 0;
	this_->gra=gra;
	this_->resize_callback=callback_new_attr_1(callback_cast(navit_resize), attr_resize, this_);
	graphics_add_callback(gra, this_->resize_callback);
	this_->button_callback=callback_new_attr_1(callback_cast(navit_button), attr_button, this_);
	graphics_add_callback(gra, this_->button_callback);
	this_->motion_callback=callback_new_attr_1(callback_cast(navit_motion), attr_motion, this_);
	graphics_add_callback(gra, this_->motion_callback);
	this_->predraw_callback=callback_new_attr_1(callback_cast(navit_predraw), attr_predraw, this_);
	graphics_add_callback(gra, this_->predraw_callback);
	//dbg(0,"111111111\n");
	return 1;
}

struct graphics *
navit_get_graphics(struct navit *this_)
{
	//dbg(0,"EEnter\n");
	return this_->gra;
}

struct vehicleprofile *
navit_get_vehicleprofile(struct navit *this_)
{
	//dbg(0,"EEnter\n");
	return this_->vehicleprofile;
}

GList *
navit_get_vehicleprofiles(struct navit *this_)
{
	//dbg(0,"EEnter\n");
	return this_->vehicleprofiles;
}

static void
navit_projection_set(struct navit *this_, enum projection pro, int draw)
{
	//dbg(0,"EEnter\n");
	struct coord_geo g;
	struct coord *c;

	c=transform_center(this_->trans);
	transform_to_geo(transform_get_projection(this_->trans), c, &g);
	transform_set_projection(this_->trans, pro);
	transform_from_geo(pro, &g, c);
	if (draw)
		navit_draw(this_);
}

/**
 * Start the route computing to a given set of coordinates
 *
 * @param navit The navit instance
 * @param c The coordinate to start routing to
 * @param description A label which allows the user to later identify this destination in the former destinations selection
 * @returns nothing
 */
void
navit_set_destination(struct navit *this_, struct pcoord *c, const char *description, int async)
{
	//dbg(0,"EEnter\n");
	char *destination_file;
	if (c) {
		this_->destination=*c;
		this_->destination_valid=1;

	    dbg(1, "navit->navit_set_destination %i\n", c->x);
	    dbg(1, "navit->navit_set_destination %i\n", c->y);

	} else
		this_->destination_valid=0;
	destination_file = bookmarks_get_destination_file(TRUE);
	bookmarks_append_coord(this_->bookmarks, destination_file, c, 1, "former_destination", description, NULL, this_->recentdest_count);
	g_free(destination_file);
	callback_list_call_attr_0(this_->attr_cbl, attr_destination);
	if (this_->route) {
		route_set_destination(this_->route, c, async);

		if (this_->ready == 3)
			navit_draw(this_);
	}
}

/**
 * Start the route computing to a given set of coordinates including waypoints
 *
 * @param navit The navit instance
 * @param c The coordinate to start routing to
 * @param description A label which allows the user to later identify this destination in the former destinations selection
 * @returns nothing
 */
void
navit_set_destinations(struct navit *this_, struct pcoord *c, int count, const char *description, int async)
{
	//dbg(0,"EEnter\n");
	char *destination_file;
	if (c && count) {
		this_->destination=c[count-1];
		this_->destination_valid=1;
	} else
		this_->destination_valid=0;
	destination_file = bookmarks_get_destination_file(TRUE);
	bookmarks_append_coord(this_->bookmarks, destination_file, c, count, "former_itinerary", description, NULL, this_->recentdest_count);
	g_free(destination_file);
	callback_list_call_attr_0(this_->attr_cbl, attr_destination);
	if (this_->route) {
		route_set_destinations(this_->route, c, count, async);

		if (this_->ready == 3)
			navit_draw(this_);
	}
}

/**
 * @brief Checks if a route is calculated
 *
 * This function checks if a route is calculated.
 *
 * @param this_ The navit struct whose route should be checked.
 * @return True if the route is set, false otherwise.
 */
int
navit_check_route(struct navit *this_)
{
	//dbg(0,"EEnter\n");
	if (this_->route) {
		return route_get_path_set(this_->route);
	}

	return 0;
}

static int
navit_former_destinations_active(struct navit *this_)
{
	//dbg(0,"EEnter\n");
	char *destination_file = bookmarks_get_destination_file(FALSE);
	FILE *f;
	int active=0;
	char buffer[3];
	f=fopen(destination_file,"r");
	if (f) {
		if(!fseek(f, -2, SEEK_END) && fread(buffer, 2, 1, f) == 1 && (buffer[0]!='\n' || buffer[1]!='\n')) 
			active=1;
		fclose(f);
	}
	g_free(destination_file);
	return active;
}

static void
navit_add_former_destinations_from_file(struct navit *this_)
{
	//dbg(0,"EEnter\n");
	char *destination_file = bookmarks_get_destination_file(FALSE);
	struct attr *attrs[4];
	struct map_rect *mr;
	struct item *item;
	int i,valid=0,count=0;
	struct coord c[16];
	struct pcoord pc[16];
	struct attr parent;
	struct attr type;
	struct attr data;
	struct attr flags;

	parent.type=attr_navit;
	parent.u.navit=this_;

	type.type=attr_type;
	type.u.str="textfile";

	data.type=attr_data;
	data.u.str=destination_file;

	flags.type=attr_flags;
	flags.u.num=1;

	attrs[0]=&type; attrs[1]=&data; attrs[2]=&flags; attrs[3]=NULL;

	this_->former_destination=map_new(&parent, attrs);
	g_free(destination_file);
	if (!this_->route || !navit_former_destinations_active(this_))
		return;	
	mr=map_rect_new(this_->former_destination, NULL);
	while ((item=map_rect_get_item(mr))) {
		if ((item->type == type_former_destination || item->type == type_former_itinerary || item->type == type_former_itinerary_part) && (count=item_coord_get(item, c, 16))) 
			valid=1;
	}
	map_rect_destroy(mr);
	if (valid && count > 0) {
		for (i = 0 ; i < count ; i++) {
			pc[i].pro=map_projection(this_->former_destination);
			pc[i].x=c[i].x;
			pc[i].y=c[i].y;
		}
		if (count == 1)
			route_set_destination(this_->route, &pc[0], 1);
		else
			route_set_destinations(this_->route, pc, count, 1);
		this_->destination=pc[count-1];
		this_->destination_valid=1;
	}
}


void
navit_textfile_debug_log(struct navit *this_, const char *fmt, ...)
{
	//dbg(0,"EEnter\n");
	va_list ap;
	char *str1,*str2;
	va_start(ap, fmt);
	if (this_->textfile_debug_log && this_->vehicle) {
		str1=g_strdup_vprintf(fmt, ap);
		str2=g_strdup_printf("0x%x 0x%x%s%s\n", this_->vehicle->coord.x, this_->vehicle->coord.y, strlen(str1) ? " " : "", str1);
		log_write(this_->textfile_debug_log, str2, strlen(str2), 0);
		g_free(str2);
		g_free(str1);
	}
       	va_end(ap);
}

void
navit_textfile_debug_log_at(struct navit *this_, struct pcoord *pc, const char *fmt, ...)
{
	//dbg(0,"EEnter\n");
	va_list ap;
	char *str1,*str2;
	va_start(ap, fmt);
	if (this_->textfile_debug_log && this_->vehicle) {
		str1=g_strdup_vprintf(fmt, ap);
		str2=g_strdup_printf("0x%x 0x%x%s%s\n", pc->x, pc->y, strlen(str1) ? " " : "", str1);
		log_write(this_->textfile_debug_log, str2, strlen(str2), 0);
		g_free(str2);
		g_free(str1);
	}
       	va_end(ap);
}

void
navit_say(struct navit *this_, char *text)
{
	//dbg(0,"EEnter\n");
	if(this_->speech) {
		speech_say(this_->speech, text);
	}
}

/**
 * @brief Toggles the navigation announcer for navit
 * @param this_ The navit object
 */
static void
navit_cmd_announcer_toggle(struct navit *this_)
{
    struct attr attr, speechattr;

    // search for the speech attribute
    if(!navit_get_attr(this_, attr_speech, &speechattr, NULL))
        return;
    // find out if the corresponding attribute attr_active has been set
    if(speech_get_attr(speechattr.u.speech, attr_active, &attr, NULL)) {
        // flip it then...
        attr.u.num = !attr.u.num;
    } else {
        // otherwise disable it because voice is enabled by default
        attr.type = attr_active;
        attr.u.num = 0;
    }

    // apply the new state
    if(!speech_set_attr(speechattr.u.speech, &attr))
        return;

    // announce that the speech attribute has changed
    callback_list_call_attr_0(this_->attr_cbl, attr_speech);
}




void
navit_cmd_announcer_on(struct navit *this_)
{
    struct attr attr, speechattr;

    // search for the speech attribute
    if(!navit_get_attr(this_, attr_speech, &speechattr, NULL))
        return;

	attr.type = attr_active;
	attr.u.num = 1;

    // apply the new state
    if(!speech_set_attr(speechattr.u.speech, &attr))
        return;

    // announce that the speech attribute has changed
    callback_list_call_attr_0(this_->attr_cbl, attr_speech);
}


void
navit_cmd_announcer_off(struct navit *this_)
{
    struct attr attr, speechattr;

    // search for the speech attribute
    if(!navit_get_attr(this_, attr_speech, &speechattr, NULL))
        return;

	attr.type = attr_active;
	attr.u.num = 0;

    // apply the new state
    if(!speech_set_attr(speechattr.u.speech, &attr))
        return;

    // announce that the speech attribute has changed
    callback_list_call_attr_0(this_->attr_cbl, attr_speech);
}



void
navit_speak(struct navit *this_)
{
	//dbg(0,"EEnter\n");
	struct navigation *nav=this_->navigation;
	struct map *map=NULL;
	struct map_rect *mr=NULL;
	struct item *item;
	struct attr attr;

    if (!speech_get_attr(this_->speech, attr_active, &attr, NULL))
        attr.u.num = 1;
    dbg(1, "this_.speech->active %i\n", attr.u.num);
    if(!attr.u.num)
        return;

	if (nav)
		map=navigation_get_map(nav);
	if (map)
		mr=map_rect_new(map, NULL);
	if (mr) {
		while ((item=map_rect_get_item(mr)) && (item->type == type_nav_position || item->type == type_nav_none));
		if (item && item_attr_get(item, attr_navigation_speech, &attr)) {
			speech_say(this_->speech, attr.u.str);
			navit_add_message(this_, attr.u.str);
			navit_textfile_debug_log(this_, "type=announcement label=\"%s\"", attr.u.str);
		}
		map_rect_destroy(mr);
	}
}

static void
navit_window_roadbook_update(struct navit *this_)
{
	//dbg(0,"EEnter\n");
	struct navigation *nav=this_->navigation;
	struct map *map=NULL;
	struct map_rect *mr=NULL;
	struct item *item;
	struct attr attr;
	struct param_list param[5];
	int secs;

	dbg(1,"enter\n");
	datawindow_mode(this_->roadbook_window, 1);
	if (nav)
		map=navigation_get_map(nav);
	if (map)
		mr=map_rect_new(map, NULL);
	//dbg(0,"nav=%p map=%p mr=%p\n", nav, map, mr);
	if (mr) {
		//dbg(0,"while loop\n");
		while ((item=map_rect_get_item(mr))) {
			//dbg(0,"item=%p\n", item);
			attr.u.str=NULL;
			if (item->type != type_nav_position) {
				item_attr_get(item, attr_navigation_long, &attr);
				if (attr.u.str == NULL) {
					continue;
				}
				dbg(2, "Command='%s'\n", attr.u.str);
				param[0].value=g_strdup(attr.u.str);
			} else
				param[0].value=_("Position");
			param[0].name=_("Command");

			item_attr_get(item, attr_length, &attr);
			dbg(2, "Length=%d\n", attr.u.num);
			param[1].name=_("Length");

			if ( attr.u.num >= 2000 )
			{
				param[1].value=g_strdup_printf("%5.1f %s",(float)attr.u.num / 1000, _("km") );
			}
			else
			{
				param[1].value=g_strdup_printf("%7d %s",attr.u.num, _("m"));
			}

			item_attr_get(item, attr_time, &attr);
			dbg(2, "Time=%d\n", attr.u.num);
			secs=attr.u.num/10;
			param[2].name=_("Time");
			if ( secs >= 3600 )
			{
				param[2].value=g_strdup_printf("%d:%02d:%02d",secs / 60, ( secs / 60 ) % 60 , secs % 60);
			}
			else
			{
				param[2].value=g_strdup_printf("%d:%02d",secs / 60, secs % 60);
			}

			item_attr_get(item, attr_destination_length, &attr);
			dbg(2, "Destlength=%d\n", attr.u.num);
			param[3].name=_("Destination Length");
			if ( attr.u.num >= 2000 )
			{
				param[3].value=g_strdup_printf("%5.1f %s",(float)attr.u.num / 1000, _("km") );
			}
			else
			{
				param[3].value=g_strdup_printf("%d %s",attr.u.num, _("m"));
			}

			item_attr_get(item, attr_destination_time, &attr);
			dbg(2, "Desttime=%d\n", attr.u.num);
			secs=attr.u.num/10;
			param[4].name=_("Destination Time");
			if ( secs >= 3600 )
			{
				param[4].value=g_strdup_printf("%d:%02d:%02d",secs / 3600, (secs / 60 ) % 60 , secs % 60);
			}
			else
			{
				param[4].value=g_strdup_printf("%d:%02d",secs / 60, secs % 60);
			}
			datawindow_add(this_->roadbook_window, param, 5);
		}
		map_rect_destroy(mr);
	}
	datawindow_mode(this_->roadbook_window, 0);
}

void
navit_window_roadbook_destroy(struct navit *this_)
{
	//dbg(0, "enter\n");
	navigation_unregister_callback(this_->navigation, attr_navigation_long, this_->roadbook_callback);
	this_->roadbook_window=NULL;
	this_->roadbook_callback=NULL;
}
void
navit_window_roadbook_new(struct navit *this_)
{
	if (!this_->gui || this_->roadbook_callback || this_->roadbook_window) {
		return;
	}

	this_->roadbook_callback=callback_new_1(callback_cast(navit_window_roadbook_update), this_);
	navigation_register_callback(this_->navigation, attr_navigation_long, this_->roadbook_callback);
	this_->roadbook_window=gui_datawindow_new(this_->gui, _("Roadbook"), NULL, callback_new_1(callback_cast(navit_window_roadbook_destroy), this_));
	navit_window_roadbook_update(this_);
}

void
navit_remove_all_maps(struct navit *this_)
{
	struct mapset *ms;
	struct map *map3;

	if (this_->mapsets)
	{
		struct mapset_handle *msh;
		ms=this_->mapsets->data;
		msh=mapset_open(ms);
		while (msh && (map3=mapset_next(msh, 0)))
		{
			struct attr map_name_attr;
			if (map_get_attr(map3,attr_name, &map_name_attr,NULL))
			{
				//dbg(0,"map name=%s",map_name_attr.u.str);
				if (strncmp("_ms_sdcard_map:", map_name_attr.u.str, 15) == 0)
				{
					//dbg(0,"removing map\n");
					struct attr map_attr;
					map_attr.u.map=map3;
					map_attr.type=attr_map;
					mapset_remove_attr(ms, &map_attr);
					map_destroy(map3);
				}
			}
		}
		mapset_close(msh);
	}
}

void
navit_add_all_maps(struct navit *this_)
{
	struct mapset *ms;
	struct map *map3;

	if (this_->mapsets)
	{
		ms=this_->mapsets->data;

		struct attr type;
		struct attr parent;
		struct attr data;
		struct attr flags;
		struct map *map2;
		struct attr map2_attr;
		struct attr *attrs[4];
		char *map_file;

		parent.type=attr_navit;
		parent.u.navit=this_;
		type.type=attr_type;
		type.u.str="binfile";
		data.type=attr_data;
		map_file=g_strdup("/sdcard/zanavi/maps/borders.bin");
		data.u.str=map_file;

		//dbg(0,"map name=%s",map_file);

		flags.type=attr_flags;
		flags.u.num=0;
		attrs[0]=&type; attrs[1]=&data; attrs[2]=&flags; attrs[3]=NULL;
		map2=map_new(&parent, attrs);
		if (map2)
		{
			map2_attr.u.data=map2;
			map2_attr.type=attr_map;
			mapset_add_attr_name(ms, &map2_attr);
		}
		g_free(map_file);

		parent.type=attr_navit;
		parent.u.navit=this_;
		type.type=attr_type;
		type.u.str="binfile";
		data.type=attr_data;
		map_file=g_strdup("/sdcard/zanavi/maps/coastline.bin");
		data.u.str=map_file;

		//dbg(0,"map name=%s",map_file);

		flags.type=attr_flags;
		flags.u.num=0;
		attrs[0]=&type; attrs[1]=&data; attrs[2]=&flags; attrs[3]=NULL;
		map2=map_new(&parent, attrs);
		if (map2)
		{
			map2_attr.u.data=map2;
			map2_attr.type=attr_map;
			mapset_add_attr_name(ms, &map2_attr);
		}
		g_free(map_file);

		int i=1;
		for(i = 1; i < 10;i++)
		{
			struct map *map22;
			struct attr map22_attr;
			parent.type=attr_navit;
			parent.u.navit=this_;
			type.type=attr_type;
			type.u.str="binfile";
			data.type=attr_data;
			map_file=g_strdup_printf("/sdcard/zanavi/maps/navitmap_00%d.bin",i);
			data.u.str=map_file;
			//dbg(0,"map name=%s",map_file);
			flags.type=attr_flags;
			flags.u.num=0;
			attrs[0]=&type; attrs[1]=&data; attrs[2]=&flags; attrs[3]=NULL;
			map22=map_new(&parent, attrs);
			if (map22)
			{
				map22_attr.u.data=map22;
				map22_attr.type=attr_map;
				mapset_add_attr_name(ms, &map22_attr);
			}
			g_free(map_file);
		}

		i=10;
		for(i = 10; i < 21;i++)
		{
			parent.type=attr_navit;
			parent.u.navit=this_;
			type.type=attr_type;
			type.u.str="binfile";
			data.type=attr_data;
			map_file=g_strdup_printf("/sdcard/zanavi/maps/navitmap_0%d.bin",i);
			data.u.str=map_file;
			//dbg(0,"map name=%s",map_file);
			flags.type=attr_flags;
			flags.u.num=0;
			attrs[0]=&type; attrs[1]=&data; attrs[2]=&flags; attrs[3]=NULL;
			map2=map_new(&parent, attrs);
			if (map2)
			{
				map2_attr.u.data=map2;
				map2_attr.type=attr_map;
				mapset_add_attr_name(ms, &map2_attr);
			}
			g_free(map_file);
		}
	}
}

void
navit_reload_maps(struct navit *this_)
{
	navit_remove_all_maps(this_);
	navit_add_all_maps(this_);
}

void
navit_init(struct navit *this_)
{
	//dbg(0,"EEnter\n");
	struct mapset *ms;
	struct map *map;
	int callback;
	char *center_file;

	dbg(0,"enter gui %p graphics %p\n",this_->gui,this_->gra);

	if (!this_->gui && !(this_->flags & 2)) {
		dbg(0,"no gui\n");
		navit_destroy(this_);
		return;
	}
	if (!this_->gra && !(this_->flags & 1)) {
		dbg(0,"no graphics\n");
		navit_destroy(this_);
		return;
	}
	dbg(0,"Connecting gui to graphics\n");
	if (this_->gui && this_->gra && gui_set_graphics(this_->gui, this_->gra)) {
		struct attr attr_type_gui, attr_type_graphics;
		gui_get_attr(this_->gui, attr_type, &attr_type_gui, NULL);
		graphics_get_attr(this_->gra, attr_type, &attr_type_graphics, NULL);
		dbg(0,"failed to connect graphics '%s' to gui '%s'\n", attr_type_graphics.u.str, attr_type_gui.u.str);
		// dbg(0," Please see http://wiki.navit-project.org/index.php/Failed_to_connect_graphics_to_gui\n");
		// dbg(0," for explanations and solutions\n");

		navit_destroy(this_);
		return;
	}
	if (this_->speech && this_->navigation) {
		struct attr speech;
		speech.type=attr_speech;
		speech.u.speech=this_->speech;
		navigation_set_attr(this_->navigation, &speech);
	}
	dbg(0,"Initializing graphics\n");
	dbg(0,"Setting Vehicle\n");
	navit_set_vehicle(this_, this_->vehicle);
	dbg(0,"Adding dynamic maps to mapset %p\n",this_->mapsets);
	if (this_->mapsets) {
		struct mapset_handle *msh;
		ms=this_->mapsets->data;
		this_->progress_cb=callback_new_attr_1(callback_cast(navit_map_progress), attr_progress, this_);
		msh=mapset_open(ms);
		while (msh && (map=mapset_next(msh, 0))) {
			//pass new callback instance for each map in the mapset to make map callback list destruction work correctly
			struct callback *pcb = callback_new_attr_1(callback_cast(navit_map_progress), attr_progress, this_);
			map_add_callback(map, pcb);
		}
		mapset_close(msh);
		
		if (this_->route) {
			if ((map=route_get_map(this_->route))) {
				struct attr map_a,map_name;
				map_a.type=attr_map;
				map_a.u.map=map;
				map_name.type=attr_name;
				map_name.u.str="_ms_route";
				map_set_attr(map_a.u.map, &map_name);
				mapset_add_attr(ms, &map_a);
			}
			if ((map=route_get_graph_map(this_->route))) {
				struct attr map_a,active,map_name;
				map_a.type=attr_map;
				map_a.u.map=map;
				active.type=attr_active;
				active.u.num=0;
				map_name.type=attr_name;
				map_name.u.str="_ms_route_graph";
				map_set_attr(map_a.u.map, &map_name);
				mapset_add_attr(ms, &map_a);
				map_set_attr(map, &active);
			}
			route_set_mapset(this_->route, ms);
			route_set_projection(this_->route, transform_get_projection(this_->trans));
		}
		if (this_->tracking) {
			tracking_set_mapset(this_->tracking, ms);
			if (this_->route)
				tracking_set_route(this_->tracking, this_->route);
		}
		if (this_->navigation) {
			if ((map=navigation_get_map(this_->navigation))) {
				struct attr map_a,active,map_name;
				map_a.type=attr_map;
				map_a.u.map=map;
				active.type=attr_active;
				active.u.num=0;
				map_name.type=attr_name;
				map_name.u.str="_ms_navigation";
				map_set_attr(map_a.u.map, &map_name);
				mapset_add_attr(ms, &map_a);
				map_set_attr(map, &active);
			}
		}
		if (this_->tracking) {
			if ((map=tracking_get_map(this_->tracking))) {
				struct attr map_a,active;
				map_a.type=attr_map;
				map_a.u.map=map;
				active.type=attr_active;
				active.u.num=0;
				mapset_add_attr(ms, &map_a);
				map_set_attr(map, &active);
			}
		}
		navit_add_former_destinations_from_file(this_);
	}
	if (this_->route) {
		struct attr callback;
		this_->route_cb=callback_new_attr_1(callback_cast(navit_redraw_route), attr_route_status, this_);
		callback.type=attr_callback;
		callback.u.callback=this_->route_cb;
		route_add_attr(this_->route, &callback);
	}
	if (this_->navigation) {
		if (this_->speech) {
			this_->nav_speech_cb=callback_new_1(callback_cast(navit_speak), this_);
			navigation_register_callback(this_->navigation, attr_navigation_speech, this_->nav_speech_cb);
		}
		if (this_->route)
			navigation_set_route(this_->navigation, this_->route);
	}
	dbg(0,"Setting Center\n");
	center_file = bookmarks_get_center_file(FALSE);
	bookmarks_set_center_from_file(this_->bookmarks, center_file);
	g_free(center_file);
#if 0
	if (this_->menubar) {
		men=menu_add(this_->menubar, "Data", menu_type_submenu, NULL);
		if (men) {
			navit_add_menu_windows_items(this_, men);
		}
	}
#endif
	global_navit=this_;
#if 0
	navit_window_roadbook_new(this_);
	navit_window_items_new(this_);
#endif

	messagelist_init(this_->messages);

	navit_set_cursors(this_);

	callback_list_call_attr_1(this_->attr_cbl, attr_navit, this_);
	callback=(this_->ready == 2);
	dbg(0,"pre this_->ready=%d\n",this_->ready);
	this_->ready|=1;
	dbg(0,"set this_->ready=%d\n",this_->ready);
	//dbg(0,"ready=%d\n",this_->ready);
	if (this_->ready == 3)
	{
		//dbg(0,"navit_draw_async_003\n");
		navit_draw_async(this_, 1);
	}
	if (callback)
		callback_list_call_attr_1(this_->attr_cbl, attr_graphics_ready, this_);
#if 0
	routech_test(this_);
#endif
	//dbg(0,"1111111111\n");
}

void
navit_zoom_to_rect(struct navit *this_, struct coord_rect *r)
{
	//dbg(0,"EEnter\n");
	struct coord c;
	int scale=16;

	c.x=(r->rl.x+r->lu.x)/2;
	c.y=(r->rl.y+r->lu.y)/2;
	transform_set_center(this_->trans, &c);
	dbg(1,"%x,%x-%x,%x\n", r->rl.x,r->rl.y,r->lu.x,r->lu.y);
	while (scale < 1<<20) {
		struct point p1,p2;
		transform_set_scale(this_->trans, scale);
		transform_setup_source_rect(this_->trans);
		transform(this_->trans, transform_get_projection(this_->trans), &r->lu, &p1, 1, 0, 0, NULL);
		transform(this_->trans, transform_get_projection(this_->trans), &r->rl, &p2, 1, 0, 0, NULL);
		dbg(1,"%d,%d-%d,%d\n",p1.x,p1.y,p2.x,p2.y);
		if (p1.x < 0 || p2.x < 0 || p1.x > this_->w || p2.x > this_->w ||
		    p1.y < 0 || p2.y < 0 || p1.y > this_->h || p2.y > this_->h)
			scale*=2;
		else
			break;
	
	}
	if (this_->ready == 3)
	{
		//dbg(0,"navit_draw_async_004\n");
		navit_draw_async(this_,0);
	}
}

void
navit_zoom_to_route(struct navit *this_, int orientation)
{
	//dbg(0,"EEnter\n");
	struct map *map;
	struct map_rect *mr=NULL;
	struct item *item;
	struct coord c;
	struct coord_rect r;
	int count=0;
	if (! this_->route)
		return;
	dbg(1,"enter\n");
	map=route_get_map(this_->route);
	dbg(1,"map=%p\n",map);
	if (map)
		mr=map_rect_new(map, NULL);
	dbg(1,"mr=%p\n",mr);
	if (mr) {
		while ((item=map_rect_get_item(mr))) {
			dbg(1,"item=%s\n", item_to_name(item->type));
			while (item_coord_get(item, &c, 1)) {
				dbg(1,"coord\n");
				if (!count) 
					r.lu=r.rl=c;
				else
					coord_rect_extend(&r, &c);	
				count++;
			}
		}
		map_rect_destroy(mr);
	}
	if (! count)
		return;
	if (orientation != -1)
		transform_set_yaw(this_->trans, orientation);
	navit_zoom_to_rect(this_, &r);
}

static void
navit_cmd_zoom_to_route(struct navit *this)
{
	//dbg(0,"EEnter\n");
	navit_zoom_to_route(this, 0);
}


/**
 * show point on map
 *
 * @param navit The navit instance
 * @param center The point where to center the map, including its projection
 * @returns nothing
 */
void
navit_set_center(struct navit *this_, struct pcoord *center, int set_timeout)
{
	//dbg(0,"EEnter\n");
	struct coord *c=transform_center(this_->trans);
	struct coord c1,c2;
	enum projection pro = transform_get_projection(this_->trans);
	if (pro != center->pro) {
		c1.x = center->x;
		c1.y = center->y;
		transform_from_to(&c1, center->pro, &c2, pro);
	} else {
		c2.x = center->x;
		c2.y = center->y;
	}
	*c=c2;
	if (set_timeout) 
		navit_set_timeout(this_);
	if (this_->ready == 3)
		navit_draw(this_);
}

static void
navit_set_center_coord_screen(struct navit *this_, struct coord *c, struct point *p, int set_timeout)
{
	//dbg(0,"EEnter\n");
	int width, height;
	struct point po;
	transform_set_center(this_->trans, c);
	transform_get_size(this_->trans, &width, &height);
	po.x=width/2;
	po.y=height/2;
	update_transformation(this_->trans, &po, p, NULL);
	if (set_timeout)
		navit_set_timeout(this_);
}

/**
 * Links all vehicles to a cursor depending on the current profile.
 *
 * @param this_ A navit instance
 * @author Ralph Sennhauser (10/2009)
 */
static void
navit_set_cursors(struct navit *this_)
{
	//dbg(0,"EEnter\n");
	struct attr name;
	struct navit_vehicle *nv;
	struct cursor *c;
	GList *v;

	v=g_list_first(this_->vehicles); // GList of navit_vehicles
	while (v) {
		nv=v->data;
		if (vehicle_get_attr(nv->vehicle, attr_cursorname, &name, NULL)) {
			if (!strcmp(name.u.str,"none"))
				c=NULL;
			else
				c=layout_get_cursor(this_->layout_current, name.u.str);
		} else
			c=layout_get_cursor(this_->layout_current, "default");
		vehicle_set_cursor(nv->vehicle, c, 0);
		v=g_list_next(v);
	}
	return;
}

static int
navit_get_cursor_pnt(struct navit *this_, struct point *p, int keep_orientation, int *dir)
{
	//dbg(0,"EEnter\n");
	int width, height;
	struct navit_vehicle *nv=this_->vehicle;

        float offset=this_->radius;      // Cursor offset from the center of the screen (percent).
#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 */
        float min_offset = 0.;      // Percent offset at min_offset_speed.
        float max_offset = 30.;     // Percent offset at max_offset_speed.
        int min_offset_speed = 2;   // Speed in km/h
        int max_offset_speed = 50;  // Speed ini km/h
        // Calculate cursor offset from the center of the screen, upon speed.
        if (nv->speed <= min_offset_speed) {
            offset = min_offset;
        } else if (nv->speed > max_offset_speed) {
            offset = max_offset;
        } else {
            offset = (max_offset - min_offset) / (max_offset_speed - min_offset_speed) * (nv->speed - min_offset_speed);
        }
#endif

	transform_get_size(this_->trans, &width, &height);
	if (this_->orientation == -1 || keep_orientation) {
		p->x=50*width/100;
		p->y=(50 + offset)*height/100;
		if (dir) 
			*dir=keep_orientation?this_->orientation:nv->dir;
	} else {
		int mdir;
		if (this_->tracking && this_->tracking_flag) {
			mdir = tracking_get_angle(this_->tracking) - this_->orientation;
		} else {
			mdir=nv->dir-this_->orientation;
		}

		p->x=(50 - offset*sin(M_PI*mdir/180.))*width/100;
		p->y=(50 + offset*cos(M_PI*mdir/180.))*height/100;
		if (dir)
			*dir=this_->orientation;
	}
	return 1;
}

void
navit_set_center_cursor(struct navit *this_, int autozoom, int keep_orientation)
{
	//dbg(0,"EEnter\n");
	int dir;
	struct point pn;
	struct navit_vehicle *nv=this_->vehicle;
	navit_get_cursor_pnt(this_, &pn, keep_orientation, &dir);
	transform_set_yaw(this_->trans, dir);
	navit_set_center_coord_screen(this_, &nv->coord, &pn, 0);
	if (autozoom)
		navit_autozoom(this_, &nv->coord, nv->speed, 0);
}

static void
navit_set_center_cursor_draw(struct navit *this_)
{
	//dbg(0,"EEnter\n");
	navit_set_center_cursor(this_,1,0);
	if (this_->ready == 3)
	{
		//dbg(0,"navit_draw_async_005\n");
		navit_draw_async(this_, 1);
	}
}

static void
navit_cmd_set_center_cursor(struct navit *this_)
{
	//dbg(0,"EEnter\n");
	navit_set_center_cursor_draw(this_);
}

void
navit_set_center_screen(struct navit *this_, struct point *p, int set_timeout)
{
	//dbg(0,"EEnter\n");
	struct coord c;
	struct pcoord pc;
	transform_reverse(this_->trans, p, &c);
	pc.x = c.x;
	pc.y = c.y;
	pc.pro = transform_get_projection(this_->trans);
	navit_set_center(this_, &pc, set_timeout);
}

#if 0
		switch((*attrs)->type) {
		case attr_zoom:
			zoom=(*attrs)->u.num;
			break;
		case attr_center:
			g=*((*attrs)->u.coord_geo);
			break;
#endif

static int
navit_set_attr_do(struct navit *this_, struct attr *attr, int init)
{
	//dbg(0,"EEnter\n");
	int dir=0, orient_old=0, attr_updated=0;
	struct coord co;
	long zoom;
	GList *l;
	struct navit_vehicle *nv;
	struct layout *lay;
	struct attr active;
	active.type=attr_active;
	active.u.num=0;

	switch (attr->type) {
	case attr_autozoom:
		attr_updated=(this_->autozoom_secs != attr->u.num);
		this_->autozoom_secs = attr->u.num;
		break;
	case attr_autozoom_active:
		attr_updated=(this_->autozoom_active != attr->u.num);
		this_->autozoom_active = attr->u.num;
		break;
	case attr_center:
		transform_from_geo(transform_get_projection(this_->trans), attr->u.coord_geo, &co);
		dbg(1,"0x%x,0x%x\n",co.x,co.y);
		transform_set_center(this_->trans, &co);
		break;
	case attr_drag_bitmap:
		attr_updated=(this_->drag_bitmap != !!attr->u.num);
		this_->drag_bitmap=!!attr->u.num;
		break;
	case attr_flags:
		attr_updated=(this_->flags != attr->u.num);
		this_->flags=attr->u.num;
		break;
	case attr_flags_graphics:
		attr_updated=(this_->graphics_flags != attr->u.num);
		this_->graphics_flags=attr->u.num;
		break;
	case attr_follow:
		if (!this_->vehicle)
			return 0;
		attr_updated=(this_->vehicle->follow_curr != attr->u.num);
		this_->vehicle->follow_curr = attr->u.num;
		break;
	case attr_layout:
		if(this_->layout_current!=attr->u.layout) {
			this_->layout_current=attr->u.layout;
			graphics_font_destroy_all(this_->gra);
			navit_set_cursors(this_);
			if (this_->ready == 3)
				navit_draw(this_);
			attr_updated=1;
		}
		break;
	case attr_layout_name:
		l=this_->layouts;
		while (l) {
			lay=l->data;
			if (!strcmp(lay->name,attr->u.str)) {
				struct attr attr;
				attr.type=attr_layout;
				attr.u.layout=lay;
				return navit_set_attr_do(this_, &attr, init);
			}
			l=g_list_next(l);
		} 		
		return 0;
	case attr_map_border:
		if (this_->border != attr->u.num) {
			this_->border=attr->u.num;
			attr_updated=1;
		}
		break;
	case attr_orientation:
		orient_old=this_->orientation;
		this_->orientation=attr->u.num;
		if (!init) {
			if (this_->orientation != -1) {
				dir = this_->orientation;
			} else {
				if (this_->vehicle) {
					dir = this_->vehicle->dir;
				}
			}
			transform_set_yaw(this_->trans, dir);
			if (orient_old != this_->orientation) {
#if 0
				if (this_->ready == 3)
					navit_draw(this_);
#endif
				attr_updated=1;
			}
		}
		break;
	case attr_osd_configuration:
		dbg(0,"setting osd_configuration to %d (was %d)\n", attr->u.num, this_->osd_configuration);
		attr_updated=(this_->osd_configuration != attr->u.num);
		this_->osd_configuration=attr->u.num;
		break;
	case attr_pitch:
		attr_updated=(this_->pitch != attr->u.num);
		this_->pitch=attr->u.num;
		transform_set_pitch(this_->trans, this_->pitch);
		if (!init && attr_updated && this_->ready == 3)
			navit_draw(this_);
		break;
	case attr_projection:
		if(this_->trans && transform_get_projection(this_->trans) != attr->u.projection) {
			navit_projection_set(this_, attr->u.projection, !init);
			attr_updated=1;
		}
		break;
	case attr_radius:
		attr_updated=(this_->radius != attr->u.num);
		this_->radius=attr->u.num;
		break;
	case attr_recent_dest:
		attr_updated=(this_->recentdest_count != attr->u.num);
		this_->recentdest_count=attr->u.num;
		break;
	case attr_speech:
        	if(this_->speech && this_->speech != attr->u.speech) {
			attr_updated=1;
			this_->speech = attr->u.speech;
        	}
		break;
	case attr_timeout:
		attr_updated=(this_->center_timeout != attr->u.num);
		this_->center_timeout = attr->u.num;
		break;
	case attr_tracking:
		attr_updated=(this_->tracking_flag != !!attr->u.num);
		this_->tracking_flag=!!attr->u.num;
		break;
	case attr_transformation:
		this_->trans=attr->u.transformation;
		break;
	case attr_use_mousewheel:
		attr_updated=(this_->use_mousewheel != !!attr->u.num);
		this_->use_mousewheel=!!attr->u.num;
		break;
	case attr_vehicle:
		l=this_->vehicles;
		while(l) {
			nv=l->data;
			if (nv->vehicle == attr->u.vehicle) {
				if (!this_->vehicle || this_->vehicle->vehicle != attr->u.vehicle) {
					if (this_->vehicle)
						vehicle_set_attr(this_->vehicle->vehicle, &active);
					active.u.num=1;
					vehicle_set_attr(nv->vehicle, &active);
					attr_updated=1;
				}
				navit_set_vehicle(this_, nv);
			}
			l=g_list_next(l);
		}
		break;
	case attr_zoom:
		zoom=transform_get_scale(this_->trans);
		attr_updated=(zoom != attr->u.num);
		transform_set_scale(this_->trans, attr->u.num);
		if (attr_updated && !init) 
			navit_draw(this_);
		break;
	case attr_zoom_min:
		attr_updated=(attr->u.num != this_->zoom_min);
		this_->zoom_min=attr->u.num;
		break;
	case attr_zoom_max:
		attr_updated=(attr->u.num != this_->zoom_max);
		this_->zoom_max=attr->u.num;
		break;
	case attr_message:
		navit_add_message(this_, attr->u.str);
		break;
	case attr_follow_cursor:
		attr_updated=(this_->follow_cursor != !!attr->u.num);
		this_->follow_cursor=!!attr->u.num;
		break;
    case attr_imperial: 
        attr_updated=(this_->imperial != attr->u.num); 
        this_->imperial=attr->u.num; 
        break; 
	default:
		return 0;
	}
	if (attr_updated && !init) {
		callback_list_call_attr_2(this_->attr_cbl, attr->type, this_, attr);
		if (attr->type == attr_osd_configuration)
			graphics_draw_mode(this_->gra, draw_mode_end);
	}
	return 1;
}

int
navit_set_attr(struct navit *this_, struct attr *attr)
{
	//dbg(0,"EEnter\n");
	return navit_set_attr_do(this_, attr, 0);
}

int
navit_get_attr(struct navit *this_, enum attr_type type, struct attr *attr, struct attr_iter *iter)
{
	//dbg(0,"EEnter\n");
	struct message *msg;
	int len,offset;
	int ret=1;

	switch (type) {
	case attr_message:
		msg = navit_get_messages(this_);
		
		if (!msg) {
			return 0;
		}

		len = 0;
		while (msg) {
			len += strlen(msg->text) + 1;
			msg = msg->next;
		}
		attr->u.str = g_malloc(len + 1);
		
		msg = navit_get_messages(this_);
		offset = 0;
		while (msg) {
			g_stpcpy((attr->u.str + offset), msg->text);
			offset += strlen(msg->text);
			attr->u.str[offset] = '\n';
			offset++;

			msg = msg->next;
		}

		attr->u.str[len] = '\0';
		break;
        case attr_imperial: 
                attr->u.num=this_->imperial; 
                break; 
	case attr_bookmark_map:
		attr->u.map=bookmarks_get_map(this_->bookmarks);
		break;
	case attr_bookmarks:
		attr->u.bookmarks=this_->bookmarks;
		break;
	case attr_callback_list:
		attr->u.callback_list=this_->attr_cbl;
		break;
	case attr_destination:
		if (! this_->destination_valid)
			return 0;
		attr->u.pcoord=&this_->destination;
		break;
	case attr_displaylist:
		attr->u.displaylist=this_->displaylist;
		return (attr->u.displaylist != NULL);
	case attr_follow:
		if (!this_->vehicle)
			return 0;
		attr->u.num=this_->vehicle->follow_curr;
		break;
	case attr_former_destination_map:
		attr->u.map=this_->former_destination;
		break;
	case attr_graphics:
		attr->u.graphics=this_->gra;
		ret=(attr->u.graphics != NULL);
		break;
	case attr_gui:
		attr->u.gui=this_->gui;
		ret=(attr->u.gui != NULL);
		break;
	case attr_layout:
		if (iter)
		{
			if (iter->u.list)
			{
				iter->u.list=g_list_next(iter->u.list);
			}
			else
			{
				iter->u.list=this_->layouts;
			}
			if (!iter->u.list)
			{
				return 0;
			}
			attr->u.layout=(struct layout *)iter->u.list->data;
		}
		else
		{
			attr->u.layout=this_->layout_current;
		}
		break;
	case attr_map:
		if (iter && this_->mapsets) {
			if (!iter->u.mapset_handle) {
				iter->u.mapset_handle=mapset_open((struct mapset *)this_->mapsets->data);
			}
			attr->u.map=mapset_next(iter->u.mapset_handle, 0);
			if(!attr->u.map) {
				mapset_close(iter->u.mapset_handle);
				return 0;
			}
		} else {
			return 0;
		}
		break;
	case attr_mapset:
		attr->u.mapset=this_->mapsets->data;
		ret=(attr->u.mapset != NULL);
		break;
	case attr_navigation:
		attr->u.navigation=this_->navigation;
		break;
	case attr_orientation:
		attr->u.num=this_->orientation;
		break;
	case attr_osd_configuration:
		attr->u.num=this_->osd_configuration;
		break;
	case attr_pitch:
		attr->u.num=transform_get_pitch(this_->trans);
		break;
	case attr_projection:
		if(this_->trans) {
			attr->u.num=transform_get_projection(this_->trans);
		} else {
			return 0;
		}
		break;
	case attr_route:
		attr->u.route=this_->route;
		break;
	case attr_speech:
	        attr->u.speech=this_->speech;
	        break;
	case attr_tracking:
		attr->u.num=this_->tracking_flag;
		break;
	case attr_trackingo:
		attr->u.tracking=this_->tracking;
		break;
	case attr_transformation:
		attr->u.transformation=this_->trans;
		break;
	case attr_vehicle:
		if(iter) {
			if(iter->u.list) {
				iter->u.list=g_list_next(iter->u.list);
			} else { 
				iter->u.list=this_->vehicles;
			}
			if(!iter->u.list)
				return 0;
			attr->u.vehicle=((struct navit_vehicle*)iter->u.list->data)->vehicle;
		} else {
			if(this_->vehicle) {
				attr->u.vehicle=this_->vehicle->vehicle;
			} else {
				return 0;
			}
		}
		break;
	case attr_vehicleprofile:
		attr->u.vehicleprofile=this_->vehicleprofile;
		break;
	case attr_zoom:
		attr->u.num=transform_get_scale(this_->trans);
		break;
	case attr_autozoom_active:
		attr->u.num=this_->autozoom_active;
		break;
	case attr_follow_cursor:
		attr->u.num=this_->follow_cursor;
		break;
	default:
		return 0;
	}
	attr->type=type;
	return ret;
}

static int
navit_add_log(struct navit *this_, struct log *log)
{
	struct attr type_attr;
	if (!log_get_attr(log, attr_type, &type_attr, NULL))
		return 0;
	if (!strcmp(type_attr.u.str, "textfile_debug")) {
		char *header = "type=track_tracked\n";
		if (this_->textfile_debug_log)
			return 0;
		log_set_header(log, header, strlen(header));
		this_->textfile_debug_log=log;
		return 1;
	}
	return 0;
}

static int
navit_add_layout(struct navit *this_, struct layout *layout)
{
	//dbg(0,"EEnter\n");
	struct attr active;
	this_->layouts = g_list_append(this_->layouts, layout);
	layout_get_attr(layout, attr_active, &active, NULL);
	if(active.u.num || !this_->layout_current) { 
		this_->layout_current=layout;
		return 1;
	}
	return 0;
}

int
navit_add_attr(struct navit *this_, struct attr *attr)
{
	//dbg(0,"EEnter\n");

	int ret=1;
	switch (attr->type) {
	case attr_callback:
		navit_add_callback(this_, attr->u.callback);
		break;
	case attr_log:
		ret=navit_add_log(this_, attr->u.log);
		break;
	case attr_gui:
		ret=navit_set_gui(this_, attr->u.gui);
		break;
	case attr_graphics:
		ret=navit_set_graphics(this_, attr->u.graphics);
		break;
	case attr_layout:
		ret=navit_add_layout(this_, attr->u.layout);
		break;
	case attr_route:
		this_->route=attr->u.route;
		break;
	case attr_mapset:
		this_->mapsets = g_list_append(this_->mapsets, attr->u.mapset);
		break;
	case attr_navigation:
		this_->navigation=attr->u.navigation;
		break;
	case attr_recent_dest:
		this_->recentdest_count = attr->u.num;
		break;
	case attr_speech:
		this_->speech=attr->u.speech;
		break;
	case attr_tracking:
		this_->tracking=attr->u.tracking;
		break;
	case attr_vehicle:
		ret=navit_add_vehicle(this_, attr->u.vehicle);
		break;
	case attr_vehicleprofile:
		this_->vehicleprofiles=g_list_prepend(this_->vehicleprofiles, attr->u.vehicleprofile);
		break;
	case attr_autozoom_min:
		this_->autozoom_min = attr->u.num;
		break;
	default:
		return 0;
	}
	callback_list_call_attr_2(this_->attr_cbl, attr->type, this_, attr);
	return ret;
}

int
navit_remove_attr(struct navit *this_, struct attr *attr)
{
	int ret=1;
	switch (attr->type) {
	case attr_callback:
		navit_remove_callback(this_, attr->u.callback);
		break;
	default:
		return 0;
	}
	return ret;
}

struct attr_iter *
navit_attr_iter_new(void)
{
	return g_new0(struct attr_iter, 1);
}

void
navit_attr_iter_destroy(struct attr_iter *iter)
{
	g_free(iter);
}

void
navit_add_callback(struct navit *this_, struct callback *cb)
{
	//dbg(0,"EEnter\n");

	callback_list_add(this_->attr_cbl, cb);
}

void
navit_remove_callback(struct navit *this_, struct callback *cb)
{
	//dbg(0,"EEnter\n");

	callback_list_remove(this_->attr_cbl, cb);
}

/**
 * Toggle the cursor update : refresh the map each time the cursor has moved (instead of only when it reaches a border)
 *
 * @param navit The navit instance
 * @returns nothing
 */

static void
navit_vehicle_draw(struct navit *this_, struct navit_vehicle *nv, struct point *pnt)
{
	//dbg(0,"EEnter\n");

	struct point cursor_pnt;
	enum projection pro;

	if (this_->blocked)
		return;
	if (pnt)
	{
		cursor_pnt=*pnt;
	}
	else
	{
		pro=transform_get_projection(this_->trans_cursor);
		if (!pro)
			return;
		transform(this_->trans_cursor, pro, &nv->coord, &cursor_pnt, 1, 0, 0, NULL);
	}
	//dbg(0,"xx=%d\n",cursor_pnt.x);
	//dbg(0,"yy=%d\n",cursor_pnt.y);

	global_vehicle_pos_onscreen.x=cursor_pnt.x;
	global_vehicle_pos_onscreen.y=cursor_pnt.y;


	//dbg(0,"xx=%d\n",pnt->x);
	//dbg(0,"yy=%d\n",pnt->y);
	//dbg(0,"vehicle_draw_001\n");
	vehicle_draw(nv->vehicle, this_->gra, &cursor_pnt, pnt ? 0:1, nv->dir-transform_get_yaw(this_->trans_cursor), nv->speed);
#if 0	
	if (pnt)
		pnt2=*pnt;
	else {
		pro=transform_get_projection(this_->trans);
		transform(this_->trans, pro, &nv->coord, &pnt2, 1);
	}
#if 1
	cursor_draw(nv->cursor, &pnt2, nv->dir-transform_get_angle(this_->trans, 0), nv->speed > 2, pnt == NULL);
#else
	cursor_draw(nv->cursor, &pnt2, nv->dir-transform_get_angle(this_->trans, 0), nv->speed > 2, 1);
#endif
#endif
}

static void
navit_vehicle_update(struct navit *this_, struct navit_vehicle *nv)
{
	// dbg(0,"EEnter\n");

	struct attr attr_valid, attr_dir, attr_speed, attr_pos;
	struct pcoord cursor_pc;
	struct point cursor_pnt, *pnt=&cursor_pnt;
	struct tracking *tracking=NULL;
	struct pcoord pc[16];
	enum projection pro=transform_get_projection(this_->trans_cursor);
	int count;
	int (*get_attr)(void *, enum attr_type, struct attr *, struct attr_iter *);
	void *attr_object;
	char *destination_file;

	// dbg(0,"navit_vehicle_update_001 %d\n",pro);
	//profile(0,NULL);
	if (this_->ready != 3) {
		//profile(0,"return 1\n");
		return;
	}
	navit_layout_switch(this_);
	if (this_->vehicle == nv && this_->tracking_flag)
		tracking=this_->tracking;
	if (tracking) {
		tracking_update(tracking, nv->vehicle, this_->vehicleprofile, pro);
		attr_object=tracking;
		get_attr=(int (*)(void *, enum attr_type, struct attr *, struct attr_iter *))tracking_get_attr;
	} else {
		attr_object=nv->vehicle;
		get_attr=(int (*)(void *, enum attr_type, struct attr *, struct attr_iter *))vehicle_get_attr;
	}
	if (get_attr(attr_object, attr_position_valid, &attr_valid, NULL))
		if (!attr_valid.u.num != attr_position_valid_invalid)
			return;
	if (! get_attr(attr_object, attr_position_direction, &attr_dir, NULL) ||
	    ! get_attr(attr_object, attr_position_speed, &attr_speed, NULL) ||
	    ! get_attr(attr_object, attr_position_coord_geo, &attr_pos, NULL)) {
		// profile(0,"return 2\n");
		return;
	}
	nv->dir=*attr_dir.u.numd;
	nv->speed=*attr_speed.u.numd;
	transform_from_geo(pro, attr_pos.u.coord_geo, &nv->coord);
	if (nv != this_->vehicle)
	{
		//dbg(0,"---> 2 x=%d\n", nv->coord.x);
		//dbg(0,"---> 2 y=%d\n", nv->coord.y);
		// dbg(0,"vehicle_draw_002\n");
		navit_vehicle_draw(this_, nv, NULL);
		// profile(0,"return 3\n");
		return;
	}
	cursor_pc.x = nv->coord.x;
	cursor_pc.y = nv->coord.y;
	cursor_pc.pro = pro;
	if (this_->route) {
		if (tracking)
			route_set_position_from_tracking(this_->route, tracking, pro);
		else
			route_set_position(this_->route, &cursor_pc);
	}
	callback_list_call_attr_0(this_->attr_cbl, attr_position);
	navit_textfile_debug_log(this_, "type=trackpoint_tracked");
	if (this_->gui && nv->speed > MYSTERY_SPEED)
		navit_disable_suspend();
	transform(this_->trans_cursor, pro, &nv->coord, &cursor_pnt, 1, 0, 0, NULL);
	if (this_->button_pressed != 1 && this_->follow_cursor && nv->follow_curr <= nv->follow && 
		(nv->follow_curr == 1 || !transform_within_border(this_->trans_cursor, &cursor_pnt, this_->border)))
	{
		navit_set_center_cursor_draw(this_);
		//dbg(0,"---> xxCENTER\n");
		//dbg(0,"---> 3 x=%d\n", nv->coord.x);
		//dbg(0,"---> 3 y=%d\n", nv->coord.y);

		//dbg(0,"---> 4 x=%d\n", cursor_pnt.x);
		//dbg(0,"---> 4 y=%d\n", cursor_pnt.y);

		//global_vehicle_pos_onscreen.x=cursor_pnt.x;
		//global_vehicle_pos_onscreen.y=cursor_pnt.y;

	}
	else
	{
		//dbg(0,"vehicle_draw_003\n");
		navit_vehicle_draw(this_, nv, pnt);
		//global_vehicle_pos_onscreen.x=pnt->x;
		//global_vehicle_pos_onscreen.y=pnt->y;
		//dbg(0,"---> x=%d\n", pnt->x);
		//dbg(0,"---> y=%d\n", pnt->y);
	}

	if (nv->follow_curr > 1)
		nv->follow_curr--;
	else
		nv->follow_curr=nv->follow;
	callback_list_call_attr_2(this_->attr_cbl, attr_position_coord_geo, this_, nv->vehicle);

	/* Finally, if we reached our destination, stop navigation. */
	if (this_->route) {
		switch(route_destination_reached(this_->route)) {
		case 1:
			route_remove_waypoint(this_->route);
			count=route_get_destinations(this_->route, pc, 16);
			destination_file = bookmarks_get_destination_file(TRUE);
			bookmarks_append_coord(this_->bookmarks, destination_file, pc, count, "former_itinerary_part", NULL, NULL, this_->recentdest_count);
			break;	
		case 2:
			navit_set_destination(this_, NULL, NULL, 0);
			break;
		}
	}
	//profile(0,"return 5\n");
	// dbg(0,"navit_vehicle_update_999\n");
}

/**
 * Set the position of the vehicle
 *
 * @param navit The navit instance
 * @param c The coordinate to set as position
 * @returns nothing
 */

void
navit_set_position(struct navit *this_, struct pcoord *c)
{
	//dbg(0,"EEnter\n");

	if (this_->route) {
		route_set_position(this_->route, c);
		callback_list_call_attr_0(this_->attr_cbl, attr_position);
	}
	if (this_->ready == 3)
		navit_draw(this_);
}

static int
navit_set_vehicleprofile(struct navit *this_, char *name)
{
	//dbg(0,"EEnter\n");

	struct attr attr;
	GList *l;
	l=this_->vehicleprofiles;
	while (l) {
		if (vehicleprofile_get_attr(l->data, attr_name, &attr, NULL)) {
			if (!strcmp(attr.u.str, name)) {
				this_->vehicleprofile=l->data;
				if (this_->route)
					route_set_profile(this_->route, this_->vehicleprofile);
				return 1;
			}
		}
		l=g_list_next(l);
	}
	return 0;
}

static void
navit_set_vehicle(struct navit *this_, struct navit_vehicle *nv)
{
	//dbg(0,"EEnter\n");

	struct attr attr;
	this_->vehicle=nv;
	if (nv && vehicle_get_attr(nv->vehicle, attr_profilename, &attr, NULL)) {
		if (navit_set_vehicleprofile(this_, attr.u.str))
			return;
	}
	if (!navit_set_vehicleprofile(this_,"car")) {
		/* We do not have a fallback "car" profile
		* so lets set any profile */
		GList *l;
		l=this_->vehicleprofiles;
		if (l) {
		    this_->vehicleprofile=l->data;
		    if (this_->route)
			route_set_profile(this_->route, this_->vehicleprofile);
		}
	}
}

/**
 * Register a new vehicle
 *
 * @param navit The navit instance
 * @param v The vehicle instance
 * @returns 1 for success
 */
static int
navit_add_vehicle(struct navit *this_, struct vehicle *v)
{
	//dbg(0,"EEnter\n");

	struct navit_vehicle *nv=g_new0(struct navit_vehicle, 1);
	struct attr follow, active, animate;
	nv->vehicle=v;
	nv->follow=0;
	nv->last.x = 0;
	nv->last.y = 0;
	nv->animate_cursor=0;
	if ((vehicle_get_attr(v, attr_follow, &follow, NULL)))
		nv->follow=follow.u.num;
	nv->follow_curr=nv->follow;
	this_->vehicles=g_list_append(this_->vehicles, nv);
	if ((vehicle_get_attr(v, attr_active, &active, NULL)) && active.u.num)
		navit_set_vehicle(this_, nv);
	if ((vehicle_get_attr(v, attr_animate, &animate, NULL)))
		nv->animate_cursor=animate.u.num;
	nv->callback.type=attr_callback;
	nv->callback.u.callback=callback_new_attr_2(callback_cast(navit_vehicle_update), attr_position_coord_geo, this_, nv);
	vehicle_add_attr(nv->vehicle, &nv->callback);
	vehicle_set_attr(nv->vehicle, &this_->self);
	return 1;
}




struct gui *
navit_get_gui(struct navit *this_)
{
	return this_->gui;
}

struct transformation *
navit_get_trans(struct navit *this_)
{
	return this_->trans;
}

struct route *
navit_get_route(struct navit *this_)
{
	return this_->route;
}

struct navigation *
navit_get_navigation(struct navit *this_)
{
	return this_->navigation;
}

struct displaylist *
navit_get_displaylist(struct navit *this_)
{
	return this_->displaylist;
}

void
navit_layout_switch(struct navit *n) 
{
	//dbg(0,"EEnter\n");

    int currTs=0;
    struct attr iso8601_attr,geo_attr,valid_attr,layout_attr;
    double trise,tset,trise_actual;
    struct layout *l;
    int year, month, day;
    
    if (navit_get_attr(n,attr_layout,&layout_attr,NULL)!=1) {
	return; //No layout - nothing to switch
    }
    if (!n->vehicle)
	return;
    l=layout_attr.u.layout;
    
    if (l->dayname || l->nightname) {
	//Ok, we know that we have profile to switch
	
	//Check that we aren't calculating too fast
	if (vehicle_get_attr(n->vehicle->vehicle, attr_position_time_iso8601,&iso8601_attr,NULL)==1) {
		currTs=iso8601_to_secs(iso8601_attr.u.str);
		dbg(1,"currTs: %u:%u\n",currTs%86400/3600,((currTs%86400)%3600)/60);
	}
	if (currTs-(n->prevTs)<60) {
	    //We've have to wait a little
	    return;
	}
	if (sscanf(iso8601_attr.u.str,"%d-%02d-%02dT",&year,&month,&day) != 3)
		return;
	if (vehicle_get_attr(n->vehicle->vehicle, attr_position_valid, &valid_attr,NULL) && valid_attr.u.num==attr_position_valid_invalid) {
		return; //No valid fix yet
	}
	if (vehicle_get_attr(n->vehicle->vehicle, attr_position_coord_geo,&geo_attr,NULL)!=1) {
		//No position - no sun
		return;
	}
	
	//We calculate sunrise anyway, cause it is needed both for day and for night
        if (__sunriset__(year,month,day,geo_attr.u.coord_geo->lng,geo_attr.u.coord_geo->lat,-5,1,&trise,&tset)!=0) {
		//near the pole sun never rises/sets, so we should never switch profiles
		dbg(1,"trise: %u:%u, sun never visible, never switch profile\n",HOURS(trise),MINUTES(trise));
		n->prevTs=currTs;
		return;
	    }
	
        trise_actual=trise;
	dbg(1,"trise: %u:%u\n",HOURS(trise),MINUTES(trise));
	if (l->dayname) {
	
	    if ((HOURS(trise)*60+MINUTES(trise)==(currTs%86400)/60) || 
		    (n->prevTs==0 && ((HOURS(trise)*60+MINUTES(trise)<(currTs%86400)/60)))) {
		//The sun is rising now!
		if (strcmp(l->name,l->dayname)) {
		    navit_set_layout_by_name(n,l->dayname);
		}
	    }
	}
	if (l->nightname) {
	    if (__sunriset__(year,month,day,geo_attr.u.coord_geo->lng,geo_attr.u.coord_geo->lat,-5,1,&trise,&tset)!=0) {
		//near the pole sun never rises/sets, so we should never switch profiles
		dbg(1,"tset: %u:%u, sun always visible, never switch profile\n",HOURS(tset),MINUTES(tset));
		n->prevTs=currTs;
		return;
	    }
	    dbg(1,"tset: %u:%u\n",HOURS(tset),MINUTES(tset));
	    if (HOURS(tset)*60+MINUTES(tset)==((currTs%86400)/60)
		|| (n->prevTs==0 && (((HOURS(tset)*60+MINUTES(tset)<(currTs%86400)/60)) || 
			((HOURS(trise_actual)*60+MINUTES(trise_actual)>(currTs%86400)/60))))) {
		//Time to sleep
		if (strcmp(l->name,l->nightname)) {
		    navit_set_layout_by_name(n,l->nightname);
		}
	    }	
	}
	
	n->prevTs=currTs;
    }
}

int 
navit_set_vehicle_by_name(struct navit *n,const char *name) 
{
	//dbg(0,"EEnter\n");

    struct vehicle *v;
    struct attr_iter *iter;
    struct attr vehicle_attr, name_attr;

	iter=navit_attr_iter_new();

    while (navit_get_attr(n,attr_vehicle,&vehicle_attr,iter)) {
		v=vehicle_attr.u.vehicle;
		vehicle_get_attr(v,attr_name,&name_attr,NULL);
		if (name_attr.type==attr_name) {
			if (!strcmp(name,name_attr.u.str)) {
				navit_set_attr(n,&vehicle_attr);				
				navit_attr_iter_destroy(iter);
				return 1;
			}
		}
	}
    navit_attr_iter_destroy(iter);
    return 0;
}

int 
navit_set_layout_by_name(struct navit *n,const char *name) 
{
	//dbg(0,"EEnter\n");

    struct layout *l;
    struct attr_iter iter;
    struct attr layout_attr;

    iter.u.list=0x00;

    if (navit_get_attr(n,attr_layout,&layout_attr,&iter)!=1) {
	return 0; //No layouts - nothing to do
    }
    if (iter.u.list==NULL) {
	return 0;
    }
    
    iter.u.list=g_list_first(iter.u.list);
    
    while(iter.u.list) {
	l=(struct layout*)iter.u.list->data;
	if (!strcmp(name,l->name)) {
	    layout_attr.u.layout=l;
	    layout_attr.type=attr_layout;
	    navit_set_attr(n,&layout_attr);
	    iter.u.list=g_list_first(iter.u.list);
	    return 1;
	}
	iter.u.list=g_list_next(iter.u.list);
    }

    iter.u.list=g_list_first(iter.u.list);
    return 0;
}

void
navit_disable_suspend() {
	//dbg(0,"EEnter\n");

	gui_disable_suspend(global_navit->gui);
	callback_list_call_attr_0(global_navit->attr_cbl,attr_unsuspend);
}

int
navit_block(struct navit *this_, int block)
{
	//dbg(0,"EEnter\n");

	if (block > 0) {
		this_->blocked |= 1;
		if (graphics_draw_cancel(this_->gra, this_->displaylist))
			this_->blocked |= 2;
		return 0;
	}
	if ((this_->blocked & 2) || block < 0) {
		this_->blocked=0;
		navit_draw(this_);
		return 1;
	}
	this_->blocked=0;
	return 0;
}

void
navit_destroy(struct navit *this_)
{
	//dbg(0,"EEnter\n");

	struct mapset*ms;
	callback_list_call_attr_1(this_->attr_cbl, attr_destroy, this_);

	// dbg(0,"enter");

	/* TODO: destroy objects contained in this_ */
	if (this_->vehicle)
		vehicle_destroy(this_->vehicle->vehicle);
	if (this_->bookmarks)
	{
		dbg(0,"save position to file");
		char *center_file = bookmarks_get_center_file(TRUE);
		bookmarks_write_center_to_file(this_->bookmarks, center_file);
		g_free(center_file);
		bookmarks_destroy(this_->bookmarks);
	}
	callback_destroy(this_->nav_speech_cb);
	callback_destroy(this_->roadbook_callback);
	callback_destroy(this_->popup_callback);
	callback_destroy(this_->motion_timeout_callback);
	callback_destroy(this_->progress_cb);
	if(this_->gra)
	  graphics_remove_callback(this_->gra, this_->resize_callback);
	callback_destroy(this_->resize_callback);
	if(this_->gra)
	  graphics_remove_callback(this_->gra, this_->button_callback);
	callback_destroy(this_->button_callback);
	if(this_->gra)
	  graphics_remove_callback(this_->gra, this_->motion_callback);
	callback_destroy(this_->motion_callback);
	if(this_->gra)
	  graphics_remove_callback(this_->gra, this_->predraw_callback);
	callback_destroy(this_->predraw_callback);
	route_destroy(this_->route);
	ms = navit_get_mapset(this_);
	if(ms)
		mapset_destroy(ms);
	graphics_free(this_->gra);
	g_free(this_);
}

/** @} */