gui/internal/gui_internal.c

/**
 * Navit, a modular navigation system.
 * Copyright (C) 2005-2010 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.
 */

//##############################################################################################################
//#
//# File: gui_internal.c
//# Description: New "internal" GUI for use with any graphics library
//# Comment: Trying to make a touchscreen friendly GUI
//# Authors: Martin Schaller (04/2008), Stefan Klumpp (04/2008)
//#
//##############################################################################################################


#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <math.h>
#include <glib.h>
#include <time.h>
#include "config.h"
#ifdef HAVE_API_WIN32_BASE
#include <windows.h>
#endif
#include "item.h"
#include "file.h"
#include "navit.h"
#include "navit_nls.h"
#include "gui.h"
#include "coord.h"
#include "point.h"
#include "plugin.h"
#include "graphics.h"
#include "transform.h"
#include "color.h"
#include "map.h"
#include "layout.h"
#include "callback.h"
#include "vehicle.h"
#include "vehicleprofile.h"
#include "window.h"
#include "config_.h"
#include "keys.h"
#include "mapset.h"
#include "route.h"
#include "search.h"
#include "track.h"
#include "country.h"
#include "config.h"
#include "event.h"
#include "navit_nls.h"
#include "navigation.h"
#include "gui_internal.h"
#include "command.h"
#include "xmlconfig.h"
#include "util.h"
#include "bookmarks.h"
#include "debug.h"
#include "fib.h"
#include "types.h"
#include "linguistics.h"


extern char *version;

struct form {
        char *onsubmit;
};


struct menu_data {
        struct widget *search_list;
        struct widget *keyboard;
        struct widget *button_bar;
        struct widget *menu;
        int keyboard_mode;
        void (*redisplay)(struct gui_priv *priv, struct widget *widget, void *data);
        struct widget *redisplay_widget;
        char *href;
        struct attr refresh_callback_obj,refresh_callback;
};

//##############################################################################################################
//# Description:
//# Comment:
//# Authors: Martin Schaller (04/2008)
//##############################################################################################################
struct widget {
        enum widget_type type;
        struct graphics_gc *background,*text_background;
        struct graphics_gc *foreground_frame;
        struct graphics_gc *foreground;
        char *text;
        struct graphics_image *img;
         /**
          * A function to be invoked on actions.
          * @li widget The widget that is receiving the button press.
          *
          */
        void (*func)(struct gui_priv *priv, struct widget *widget, void *data);
        int reason;
        int datai;
        void *data;
        /**
         * @brief A function to deallocate data
         */
        void (*data_free)(void *data);

        /**
         * @brief a function that will be called as the widget is being destroyed.
         * This function can act as a destructor for the widget. It allows for
         * on deallocation actions to be specified on a per widget basis.
         * This function will call g_free on the widget (if required).
         */
        void (*free) (struct gui_priv *this_, struct widget * w);
        char *prefix;
        char *name;
        char *speech;
        char *command;
        struct pcoord c;
        struct item item;
        int selection_id;
        int state;
        struct point p;
        int wmin,hmin;
        int w,h;
        int textw,texth;
        int font_idx;
        int bl,br,bt,bb,spx,spy;
        int border;
        int packed;
        /**
         * The number of widgets to layout horizontally when doing
         * a orientation_horizontal_vertical layout
         */
        int cols;
        enum flags flags;
        int flags2;
        void *instance;
        int (*set_attr)(void *, struct attr *);
        int (*get_attr)(void *, enum attr_type, struct attr *, struct attr_iter *);
        void (*remove_cb)(void *, struct callback *cb);
        struct callback *cb;
        struct attr on;
        struct attr off;
        int deflt;
        int is_on;
        int redraw;
        struct menu_data *menu_data;
        struct form *form;
        GList *children;
};

/**
 * @brief A structure to store configuration values.
 *
 * This structure stores configuration values for how gui elements in the internal GUI
 * should be drawn.
 */
struct gui_config_settings {

  /**
   * The base size (in fractions of a point) to use for text.
   */
  int font_size;
  /**
   * The size (in pixels) that xs style icons should be scaled to.
   * This icon size can be too small to click it on some devices.
   */
  int icon_xs;
  /**
   * The size (in pixels) that s style icons (small) should be scaled to
   */
  int icon_s;
  /**
   * The size (in pixels) that l style icons should be scaled to
   */
  int icon_l;
  /**
   * The default amount of spacing (in pixels) to place between GUI elements.
   */
  int spacing;

};

/**
 * Indexes into the config_profiles array.
 */
const int LARGE_PROFILE=0;
const int MEDIUM_PROFILE=1;
const int SMALL_PROFILE=2;

/**
 * The default config profiles.
 *
 * [0] =>  LARGE_PROFILE (screens 640 in one dimension)
 * [1] =>  MEDIUM PROFILE (screens larger than 320 in one dimension
 * [2] => Small profile (default)
 */
static struct gui_config_settings config_profiles[]={
      {545,32,48,96,10}
    , {300,32,48,64,3}
      ,{200,16,32,48,2}
};

struct route_data {
  struct widget * route_table;
  int route_showing;

};

//##############################################################################################################
//# Description:
//# Comment:
//# Authors: Martin Schaller (04/2008)
//##############################################################################################################
struct gui_priv {
        struct navit *nav;
        struct attr self;
        struct window *win;
        struct graphics *gra;
        struct graphics_gc *background;
        struct graphics_gc *background2;
        struct graphics_gc *highlight_background;
        struct graphics_gc *foreground;
        struct graphics_gc *text_foreground;
        struct graphics_gc *text_background;
        struct color background_color, background2_color, text_foreground_color, text_background_color;
        int spacing;
        int font_size;
        int fullscreen;
        struct graphics_font *fonts[3];
        /**
         * The size (in pixels) that xs style icons should be scaled to.
         * This icon size can be too small to click it on some devices.
         */
        int icon_xs;
        /**
         * The size (in pixels) that s style icons (small) should be scaled to
         */
        int icon_s;
        /**
         * The size (in pixels) that l style icons should be scaled to
         */
        int icon_l;
        int pressed;
        struct widget *widgets;
        int widgets_count;
        int redraw;
        struct widget root;
        struct widget *highlighted,*editable;
        struct widget *highlighted_menu;
        int clickp_valid, vehicle_valid;
        struct pcoord clickp, vehiclep;
        struct attr *click_coord_geo, *position_coord_geo;
        struct search_list *sl;
        int ignore_button;
        int menu_on_map_click;
        int signal_on_map_click;
        char *country_iso2;
        int speech;
        int keyboard;
        int keyboard_required;
        /**
         * The setting information read from the configuration file.
         * values of -1 indicate no value was specified in the config file.
         */
        struct gui_config_settings config;
        struct event_idle *idle;
        struct callback *motion_cb,*button_cb,*resize_cb,*keypress_cb,*window_closed_cb,*idle_cb, *motion_timeout_callback;
        struct event_timeout *motion_timeout_event;
        struct point current;

        struct callback * vehicle_cb;
          /**
           * Stores information about the route.
           */
        struct route_data route_data;

        struct gui_internal_data data;
        struct callback_list *cbl;
        int flags;
        int cols;
        struct attr osd_configuration;
        int pitch;
        int flags_town,flags_street,flags_house_number;
        int radius;
/* html */
        char *html_text;
        int html_depth;
        struct widget *html_container;
        int html_skip;
        char *html_anchor;
        char *href;
        int html_anchor_found;
        struct form *form;
        struct html {
                int skip;
                enum html_tag {
                        html_tag_none,
                        html_tag_a,
                        html_tag_h1,
                        html_tag_html,
                        html_tag_img,
                        html_tag_script,
                        html_tag_form,
                        html_tag_input,
                        html_tag_div,
                } tag;
                char *command;
                char *name;
                char *href;
                char *refresh_cond;
                struct widget *w;
                struct widget *container;
        } html[10];
};

struct html_tag_map {
        char *tag_name;
        enum html_tag tag;
} html_tag_map[] = {
        {"a",html_tag_a},
        {"h1",html_tag_h1},
        {"html",html_tag_html},
        {"img",html_tag_img},
        {"script",html_tag_script},
        {"form",html_tag_form},
        {"input",html_tag_input},
        {"div",html_tag_div},
};


/**
 * @brief A structure to store information about a table.
 *
 * The table_data widget stores pointers to extra information needed by the
 * table widget.
 *
 * The table_data structure needs to be freed with data_free along with the widget.
 *
 */
struct table_data
{
  /**
   * A GList pointer into a widget->children list that indicates the row
   * currently being rendered at the top of the table.
   */
  GList * top_row;
  /**
   * A Glist pointer into a widget->children list that indicates the row
   * currently being rendered at the bottom of the table.
   */
  GList * bottom_row;

  /**
   * A list of table_row widgets that mark the
   * top rows for each page of the table.
   * This is needed for the 'previous page' function of the table.
   */
  GList * page_headers;

  /**
   * A container box that is the child of the table widget that contains+groups
   * the next and previous button.
   */
  struct widget * button_box;

  /**
   * A button widget to handle 'next page' requests
   */
  struct widget * next_button;
  /**
   * A button widget to handle 'previous page' requests.
   */
  struct widget * prev_button;


  /**
   * a pointer to the gui context.
   * This is needed by the free function to destory the buttons.
   */
  struct  gui_priv *  this;
};

/**
 * A data structure that holds information about a column that makes up a table.
 *
 *
 */
struct table_column_desc
{

  /**
   * The computed height of a cell in the table.
   */
  int height;

  /**
   * The computed width of a cell in the table.
   */
  int width;
};


static void gui_internal_widget_render(struct gui_priv *this, struct widget *w);
static void gui_internal_widget_pack(struct gui_priv *this, struct widget *w);
static struct widget * gui_internal_box_new(struct gui_priv *this, enum flags flags);
static void gui_internal_widget_append(struct widget *parent, struct widget *child);
static void gui_internal_widget_destroy(struct gui_priv *this, struct widget *w);
static void gui_internal_apply_config(struct gui_priv *this);

static struct widget* gui_internal_widget_table_new(struct gui_priv * this, enum flags flags, int buttons);
static struct widget * gui_internal_widget_table_row_new(struct gui_priv * this, enum flags flags);
static void gui_internal_table_hide_rows(struct table_data * table_data);
static void gui_internal_table_render(struct gui_priv * this, struct widget * w);
static void gui_internal_table_pack(struct gui_priv * this, struct widget * w);
static void gui_internal_table_button_next(struct gui_priv * this, struct widget * wm, void *data);
static void gui_internal_table_button_prev(struct gui_priv * this, struct widget * wm, void *data);
static void gui_internal_widget_table_clear(struct gui_priv * this,struct widget * table);
static struct widget * gui_internal_widget_table_row_new(struct gui_priv * this, enum flags flags);
static void gui_internal_table_data_free(void * d);
static void gui_internal_route_update(struct gui_priv * this, struct navit * navit,
                                      struct vehicle * v);
static void gui_internal_route_screen_free(struct gui_priv * this_,struct widget * w);
static void gui_internal_populate_route_table(struct gui_priv * this,
                                       struct navit * navit);
static void gui_internal_search_idle_end(struct gui_priv *this);
static void gui_internal_search(struct gui_priv *this, char *what, char *type, int flags);
static void gui_internal_search_house_number(struct gui_priv *this, struct widget *widget, void *data);
static void gui_internal_search_house_number_in_street(struct gui_priv *this, struct widget *widget, void *data);
static void gui_internal_search_street(struct gui_priv *this, struct widget *widget, void *data);
static void gui_internal_search_street_in_town(struct gui_priv *this, struct widget *widget, void *data);
static void gui_internal_search_town(struct gui_priv *this, struct widget *wm, void *data);
static void gui_internal_search_town_in_country(struct gui_priv *this, struct widget *wm);
static void gui_internal_search_country(struct gui_priv *this, struct widget *widget, void *data);
static void gui_internal_check_exit(struct gui_priv *this);
static void gui_internal_cmd_view_in_browser(struct gui_priv *this, struct widget *wm, void *data);

static struct widget *gui_internal_keyboard_do(struct gui_priv *this, struct widget *wkbdb, int mode);
static struct menu_data * gui_internal_menu_data(struct gui_priv *this);

static int gui_internal_is_active_vehicle(struct gui_priv *this, struct vehicle *vehicle);
static void gui_internal_html_menu(struct gui_priv *this, const char *document, char *anchor);
static void gui_internal_html_load_href(struct gui_priv *this, char *href, int replace);
static void gui_internal_destroy(struct gui_priv *this);

/*
 * * Display image scaled to specific size
 * * searches for scaleable and pre-scaled image
 * * @param this Our gui context
 * * @param name image name
 * * @param w desired width of image
 * * @param h desired height of image
 * * @returns image_struct Ptr to scaled image struct or NULL if not scaled or found
 * */
static struct graphics_image *
image_new_scaled(struct gui_priv *this, const char *name, int w, int h)
{
        struct graphics_image *ret=NULL;
        char *full_name=NULL;
        char *full_path=NULL;
        int i;

        for (i = 1 ; i < 6 ; i++) {
                full_name=NULL;
                switch (i) {
                case 3:
                        full_name=g_strdup_printf("%s.svg", name);
                        break;
                case 2:
                        full_name=g_strdup_printf("%s.svgz", name);
                        break;
                case 1:
                        if (w != -1 && h != -1) {
                                full_name=g_strdup_printf("%s_%d_%d.png", name, w, h);
                        }
                        break;
                case 4:
                        full_name=g_strdup_printf("%s.png", name);
                        break;
                case 5:
                        full_name=g_strdup_printf("%s.xpm", name);
                        break;
                }
                dbg(1,"trying '%s'\n", full_name);
                if (! full_name)
                        continue;
#if 0
                /* needs to be checked in the driver */
                if (!file_exists(full_name)) {
                        g_free(full_name);
                        continue;
                }
#endif
                full_path=graphics_icon_path(full_name);
                ret=graphics_image_new_scaled(this->gra, full_path, w, h);
                dbg(1,"ret=%p\n", ret);
                g_free(full_path);
                g_free(full_name);
                if (ret)
                        return ret;
        }
        dbg(0,"failed to load %s with %d,%d\n", name, w, h);
        return NULL;
}

#if 0
static struct graphics_image *
image_new_o(struct gui_priv *this, char *name)
{
        return image_new_scaled(this, name, -1, -1);
}
#endif

/*
 * * Display image scaled to xs (extra small) size
 * * This image size can be too small to click it on some devices.
 * * @param this Our gui context
 * * @param name image name
 * * @returns image_struct Ptr to scaled image struct or NULL if not scaled or found
 * */
static struct graphics_image *
image_new_xs(struct gui_priv *this, const char *name)
{
        return image_new_scaled(this, name, this->icon_xs, this->icon_xs);
}

/*
 * * Display image scaled to s (small) size
 * * @param this Our gui context
 * * @param name image name
 * * @returns image_struct Ptr to scaled image struct or NULL if not scaled or found
 * */

static struct graphics_image *
image_new_s(struct gui_priv *this, const char *name)
{
        return image_new_scaled(this, name, this->icon_s, this->icon_s);
}

/*
 * * Display image scaled to l (large) size
 * * @param this Our gui context
 * * @param name image name
 * * @returns image_struct Ptr to scaled image struct or NULL if not scaled or found
 * */
static struct graphics_image *
image_new_l(struct gui_priv *this, const char *name)
{
        return image_new_scaled(this, name, this->icon_l, this->icon_l);
}

static char *
coordinates_geo(const struct coord_geo *gc, char sep)
{
        char latc='N',lngc='E';
        int lat_deg,lat_min,lat_sec;
        int lng_deg,lng_min,lng_sec;
        struct coord_geo g=*gc;

        if (g.lat < 0) {
                g.lat=-g.lat;
                latc='S';
        }
        if (g.lng < 0) {
                g.lng=-g.lng;
                lngc='W';
        }
        lat_deg=g.lat;
        lat_min=fmod(g.lat*60,60);
        lat_sec=fmod(g.lat*3600,60);
        lng_deg=g.lng;
        lng_min=fmod(g.lng*60,60);
        lng_sec=fmod(g.lng*3600,60);
        return g_strdup_printf("%d°%d'%d\" %c%c%d°%d'%d\" %c",lat_deg,lat_min,lat_sec,latc,sep,lng_deg,lng_min,lng_sec,lngc);
}

static char *
coordinates(struct pcoord *pc, char sep)
{
        struct coord_geo g;
        struct coord c;
        c.x=pc->x;
        c.y=pc->y;
        transform_to_geo(pc->pro, &c, &g);
        return coordinates_geo(&g, sep);

}

static void
gui_internal_background_render(struct gui_priv *this, struct widget *w)
{
        struct point pnt=w->p;
        if (w->state & STATE_HIGHLIGHTED)
                graphics_draw_rectangle(this->gra, this->highlight_background, &pnt, w->w, w->h);
        else {
                if (w->background)
                        graphics_draw_rectangle(this->gra, w->background, &pnt, w->w, w->h);
        }
}

static struct widget *
gui_internal_label_font_new(struct gui_priv *this, char *text, int font)
{
        struct point p[4];
        int w=0;
        int h=0;

        struct widget *widget=g_new0(struct widget, 1);
        widget->type=widget_label;
        widget->font_idx=font;
        if (text) {
                widget->text=g_strdup(text);
                graphics_get_text_bbox(this->gra, this->fonts[font], text, 0x10000, 0x0, p, 0);
                w=p[2].x-p[0].x;
                h=p[0].y-p[2].y;
        }
        widget->h=h+this->spacing;
        widget->texth=h;
        widget->w=w+this->spacing;
        widget->textw=w;
        widget->flags=gravity_center;
        widget->foreground=this->text_foreground;
        widget->text_background=this->text_background;

        return widget;
}

static struct widget *
gui_internal_label_new(struct gui_priv *this, char *text)
{
        return gui_internal_label_font_new(this, text, 0);
}

static struct widget *
gui_internal_label_new_abbrev(struct gui_priv *this, char *text, int maxwidth)
{
        struct widget *ret=NULL;
        char *tmp=g_malloc(strlen(text)+3);
        int i;

        i=strlen(text)-1;
        while (i >= 0) {
                strcpy(tmp, text);
                strcpy(tmp+i,"..");
                ret=gui_internal_label_new(this, tmp);
                if (ret->w < maxwidth)
                        break;
                gui_internal_widget_destroy(this, ret);
                ret=NULL;
                i--;
        }
        g_free(tmp);
        return ret;
}

static struct widget *
gui_internal_image_new(struct gui_priv *this, struct graphics_image *image)
{
        struct widget *widget=g_new0(struct widget, 1);
        widget->type=widget_image;
        widget->img=image;
        if (image) {
                widget->w=image->width;
                widget->h=image->height;
        }
        return widget;
}

static void
gui_internal_image_render(struct gui_priv *this, struct widget *w)
{
        struct point pnt;

        gui_internal_background_render(this, w);
        if (w->img) {
                pnt=w->p;
                pnt.x+=w->w/2-w->img->hot.x;
                pnt.y+=w->h/2-w->img->hot.y;
                graphics_draw_image(this->gra, this->foreground, &pnt, w->img);
        }
}

static void
gui_internal_label_render(struct gui_priv *this, struct widget *w)
{
        struct point pnt=w->p;
        gui_internal_background_render(this, w);
        if (w->state & STATE_EDIT)
                graphics_draw_rectangle(this->gra, this->highlight_background, &pnt, w->w, w->h);
        if (w->text) {
                char *text;
                char *startext=(char*)g_alloca(strlen(w->text)+1);
                text=w->text;
                if (w->flags2 & 1) {
                        int i;
                        for (i = 0 ; i < strlen(text); i++)
                                startext[i]='*';
                        startext[i]='\0';
                        text=startext;
                }
                if (w->flags & gravity_right) {
                        pnt.y+=w->h-this->spacing;
                        pnt.x+=w->w-w->textw-this->spacing;
                        graphics_draw_text(this->gra, w->foreground, w->text_background, this->fonts[w->font_idx], text, &pnt, 0x10000, 0x0);
                } else {
                        pnt.y+=w->h-this->spacing;
                        graphics_draw_text(this->gra, w->foreground, w->text_background, this->fonts[w->font_idx], text, &pnt, 0x10000, 0x0);
                }
        }
}

/**
 * @brief A text box is a widget that renders a text string containing newlines.
 * The string will be broken up into label widgets at each newline with a vertical layout.
 *
 */
static struct widget *
gui_internal_text_font_new(struct gui_priv *this, char *text, int font, enum flags flags)
{
        char *s=g_strdup(text),*s2,*tok;
        struct widget *ret=gui_internal_box_new(this, flags);
        s2=s;
        while ((tok=strtok(s2,"\n"))) {
                gui_internal_widget_append(ret, gui_internal_label_font_new(this, tok, font));
                s2=NULL;
        }
        gui_internal_widget_pack(this,ret);
        g_free(s);
        return ret;
}

static struct widget *
gui_internal_text_new(struct gui_priv *this, char *text, enum flags flags)
{
        return gui_internal_text_font_new(this, text, 0, flags);
}


static struct widget *
gui_internal_button_font_new_with_callback(struct gui_priv *this, char *text, int font, struct graphics_image *image, enum flags flags, void(*func)(struct gui_priv *priv, struct widget *widget, void *data), void *data)
{
        struct widget *ret=NULL;
        ret=gui_internal_box_new(this, flags);
        if (ret) {
                if (image)
                        gui_internal_widget_append(ret, gui_internal_image_new(this, image));
                if (text)
                        gui_internal_widget_append(ret, gui_internal_text_font_new(this, text, font, gravity_center|orientation_vertical));
                ret->func=func;
                ret->data=data;
                if (func) {
                        ret->state |= STATE_SENSITIVE;
                        ret->speech=g_strdup(text);
                }
        }
        return ret;

}

static struct widget *
gui_internal_button_new_with_callback(struct gui_priv *this, char *text, struct graphics_image *image, enum flags flags, void(*func)(struct gui_priv *priv, struct widget *widget, void *data), void *data)
{
        return gui_internal_button_font_new_with_callback(this, text, 0, image, flags, func, data);
}

static int
gui_internal_button_attr_update(struct gui_priv *this, struct widget *w)
{
        struct widget *wi;
        int is_on=0;
        struct attr curr;
        GList *l;

        if (w->get_attr(w->instance, w->on.type, &curr, NULL))
                is_on=curr.u.data == w->on.u.data;
        else
                is_on=w->deflt;
        if (is_on != w->is_on) {
                if (w->redraw)
                        this->redraw=1;
                w->is_on=is_on;
                l=g_list_first(w->children);
                if (l) {
                        wi=l->data;
                        if (wi->img)
                                graphics_image_free(this->gra, wi->img);
                        wi->img=image_new_xs(this, is_on ? "gui_active" : "gui_inactive");
                }
                if (w->is_on && w->off.type == attr_none)
                        w->state &= ~STATE_SENSITIVE;
                else
                        w->state |= STATE_SENSITIVE;
                return 1;
        }
        return 0;
}

static void
gui_internal_button_attr_callback(struct gui_priv *this, struct widget *w)
{
        if (gui_internal_button_attr_update(this, w))
                gui_internal_widget_render(this, w);
}
static void
gui_internal_button_attr_pressed(struct gui_priv *this, struct widget *w, void *data)
{
        if (w->is_on)
                w->set_attr(w->instance, &w->off);
        else
                w->set_attr(w->instance, &w->on);
        gui_internal_button_attr_update(this, w);

}

static struct widget *
gui_internal_button_navit_attr_new(struct gui_priv *this, char *text, enum flags flags, struct attr *on, struct attr *off)
{
        struct graphics_image *image=NULL;
        struct widget *ret;
        if (!on && !off)
                return NULL;
        image=image_new_xs(this, "gui_inactive");
        ret=gui_internal_button_new_with_callback(this, text, image, flags, gui_internal_button_attr_pressed, NULL);
        if (on)
                ret->on=*on;
        if (off)
                ret->off=*off;
        ret->get_attr=(int (*)(void *, enum attr_type, struct attr *, struct attr_iter *))navit_get_attr;
        ret->set_attr=(int (*)(void *, struct attr *))navit_set_attr;
        ret->remove_cb=(void (*)(void *, struct callback *))navit_remove_callback;
        ret->instance=this->nav;
        ret->cb=callback_new_attr_2(callback_cast(gui_internal_button_attr_callback), on?on->type:off->type, this, ret);
        navit_add_callback(this->nav, ret->cb);
        gui_internal_button_attr_update(this, ret);
        return ret;
}

static struct widget *
gui_internal_button_map_attr_new(struct gui_priv *this, char *text, enum flags flags, struct map *map, struct attr *on, struct attr *off, int deflt)
{
        struct graphics_image *image=NULL;
        struct widget *ret;
        image=image_new_xs(this, "gui_inactive");
        if (!on && !off)
                return NULL;
        ret=gui_internal_button_new_with_callback(this, text, image, flags, gui_internal_button_attr_pressed, NULL);
        if (on)
                ret->on=*on;
        if (off)
                ret->off=*off;
        ret->deflt=deflt;
        ret->get_attr=(int (*)(void *, enum attr_type, struct attr *, struct attr_iter *))map_get_attr;
        ret->set_attr=(int (*)(void *, struct attr *))map_set_attr;
        ret->remove_cb=(void (*)(void *, struct callback *))map_remove_callback;
        ret->instance=map;
        ret->redraw=1;
        ret->cb=callback_new_attr_2(callback_cast(gui_internal_button_attr_callback), on?on->type:off->type, this, ret);
        map_add_callback(map, ret->cb);
        gui_internal_button_attr_update(this, ret);
        return ret;
}

static struct widget *
gui_internal_button_new(struct gui_priv *this, char *text, struct graphics_image *image, enum flags flags)
{
        return gui_internal_button_new_with_callback(this, text, image, flags, NULL, NULL);
}

#if 0
//##############################################################################################################
//# Description:
//# Comment:
//# Authors: Martin Schaller (04/2008)
//##############################################################################################################
static void gui_internal_clear(struct gui_priv *this)
{
        struct graphics *gra=this->gra;
        struct point pnt;
        pnt.x=0;
        pnt.y=0;
        graphics_draw_rectangle(gra, this->background, &pnt, this->root.w, this->root.h);
}
#endif

static struct widget *
gui_internal_find_widget(struct widget *wi, struct point *p, int flags)
{
        struct widget *ret,*child;
        GList *l=wi->children;

        if (p) {
                if (wi->p.x > p->x )
                        return NULL;
                if (wi->p.y > p->y )
                        return NULL;
                if ( wi->p.x + wi->w < p->x)
                        return NULL;
                if ( wi->p.y + wi->h < p->y)
                        return NULL;
        }
        if (wi->state & flags)
                return wi;
        while (l) {
                child=l->data;
                ret=gui_internal_find_widget(child, p, flags);
                if (ret) {
                        return ret;
                }
                l=g_list_next(l);
        }
        return NULL;

}

static void
gui_internal_highlight_do(struct gui_priv *this, struct widget *found)
{
        if (found == this->highlighted)
                return;

        graphics_draw_mode(this->gra, draw_mode_begin);
        if (this->highlighted) {
                this->highlighted->state &= ~STATE_HIGHLIGHTED;
                if (this->root.children && this->highlighted_menu == g_list_last(this->root.children)->data)
                        gui_internal_widget_render(this, this->highlighted);
                this->highlighted=NULL;
                this->highlighted_menu=NULL;
        }
        if (found) {
                this->highlighted=found;
                this->highlighted_menu=g_list_last(this->root.children)->data;
                this->highlighted->state |= STATE_HIGHLIGHTED;
                gui_internal_widget_render(this, this->highlighted);
                dbg(1,"%d,%d %dx%d\n", found->p.x, found->p.y, found->w, found->h);
        }
        graphics_draw_mode(this->gra, draw_mode_end);
}
//##############################################################################################################
//# Description:
//# Comment:
//# Authors: Martin Schaller (04/2008)
//##############################################################################################################
static void gui_internal_highlight(struct gui_priv *this)
{
        struct widget *menu,*found=NULL;
        if (this->current.x > -1 && this->current.y > -1) {
                menu=g_list_last(this->root.children)->data;
                found=gui_internal_find_widget(menu, &this->current, STATE_SENSITIVE);
                if (!found) {
                        found=gui_internal_find_widget(menu, &this->current, STATE_EDITABLE);
                        if (found) {
                                if (this->editable && this->editable != found) {
                                        this->editable->state &= ~ STATE_EDIT;
                                        gui_internal_widget_render(this, this->editable);
                                }
                                found->state |= STATE_EDIT;
                                gui_internal_widget_render(this, found);
                                this->editable=found;
                                found=NULL;
                        }
                }
        }
        gui_internal_highlight_do(this, found);
        this->motion_timeout_event=NULL;
}

static struct widget *
gui_internal_box_new_with_label(struct gui_priv *this, enum flags flags, const char *label)
{
        struct widget *widget=g_new0(struct widget, 1);

        if (label)
                widget->text=g_strdup(label);
        widget->type=widget_box;
        widget->flags=flags;
        return widget;
}

static struct widget *
gui_internal_box_new(struct gui_priv *this, enum flags flags)
{
        return gui_internal_box_new_with_label(this, flags, NULL);
}


static void gui_internal_box_render(struct gui_priv *this, struct widget *w)
{
        struct widget *wc;
        GList *l;

        gui_internal_background_render(this, w);
#if 0
        w->border=1;
        w->foreground=this->foreground;
#endif
#if 1
        if (w->foreground && w->border) {
        struct point pnt[5];
        pnt[0]=w->p;
        pnt[1].x=pnt[0].x+w->w;
        pnt[1].y=pnt[0].y;
        pnt[2].x=pnt[0].x+w->w;
        pnt[2].y=pnt[0].y+w->h;
        pnt[3].x=pnt[0].x;
        pnt[3].y=pnt[0].y+w->h;
        pnt[4]=pnt[0];
        graphics_gc_set_linewidth(w->foreground, w->border ? w->border : 1);
        graphics_draw_lines(this->gra, w->foreground, pnt, 5);
        graphics_gc_set_linewidth(w->foreground, 1);
        }
#endif

        l=w->children;
        while (l) {
                wc=l->data;
                gui_internal_widget_render(this, wc);
                l=g_list_next(l);
        }
}


/**
 * @brief Compute the size and location for the widget.
 *
 *
 */
static void gui_internal_box_pack(struct gui_priv *this, struct widget *w)
{
        struct widget *wc;
        int x0,x=0,y=0,width=0,height=0,owidth=0,oheight=0,expand=0,expandd=1,count=0,rows=0,cols=w->cols ? w->cols : 0;
        GList *l;
        int orientation=w->flags & 0xffff0000;

        if (!cols)
                cols=this->cols;
        if (!cols) {
                 if ( this->root.w > this->root.h )
                         cols=3;
                 else
                         cols=2;
                 width=0;
                 height=0;
        }


        /**
         * count the number of children
         */
        l=w->children;
        while (l) {
                count++;
                l=g_list_next(l);
        }
        if (orientation == orientation_horizontal_vertical && count <= cols)
                orientation=orientation_horizontal;
        switch (orientation) {
        case orientation_horizontal:
                /**
                 * For horizontal orientation:
                 * pack each child and find the largest height and
                 * compute the total width. x spacing (spx) is considered
                 *
                 * If any children want to be expanded
                 * we keep track of this
                 */
                l=w->children;
                while (l) {
                        wc=l->data;
                        gui_internal_widget_pack(this, wc);
                        if (height < wc->h)
                                height=wc->h;
                        width+=wc->w;
                        if (wc->flags & flags_expand)
                                expand+=wc->w ? wc->w : 1;
                        l=g_list_next(l);
                        if (l)
                                width+=w->spx;
                }
                owidth=width;
                if (expand && w->w) {
                        expandd=w->w-width+expand;
                        owidth=w->w;
                } else
                        expandd=expand=1;
                break;
        case orientation_vertical:
                /**
                 * For vertical layouts:
                 * We pack each child and compute the largest width and
                 * the total height.  y spacing (spy) is considered
                 *
                 * If the expand flag is set then teh expansion amount
                 * is computed.
                 */
                l=w->children;
                while (l) {
                        wc=l->data;
                        gui_internal_widget_pack(this, wc);
                        if (width < wc->w)
                                width=wc->w;
                        height+=wc->h;
                        if (wc->flags & flags_expand)
                                expand+=wc->h ? wc->h : 1;
                        l=g_list_next(l);
                        if (l)
                                height+=w->spy;
                }
                oheight=height;
                if (expand && w->h) {
                        expandd=w->h-height+expand;
                        oheight=w->h;
                } else
                        expandd=expand=1;
                break;
        case orientation_horizontal_vertical:
                /**
                 * For horizontal_vertical orientation
                 * pack the children.
                 * Compute the largest height and largest width.
                 * Layout the widgets based on having the
                 * number of columns specified by (cols)
                 */
                count=0;
                l=w->children;
                while (l) {
                        wc=l->data;
                        gui_internal_widget_pack(this, wc);
                        if (height < wc->h)
                                height=wc->h;
                        if (width < wc->w)
                                width=wc->w;
                        l=g_list_next(l);
                        count++;
                }
                if (count < cols)
                        cols=count;
                rows=(count+cols-1)/cols;
                width*=cols;
                height*=rows;
                width+=w->spx*(cols-1);
                height+=w->spy*(rows-1);
                owidth=width;
                oheight=height;
                expandd=expand=1;
                break;
        default:
                /**
                 * No orientation was specified.
                 * width and height are both 0.
                 * The width & height of this widget
                 * will be used.
                 */
                if(!w->w && !w->h)
                        dbg(0,"Warning width and height of a widget are 0");
                break;
        }
        if (! w->w && ! w->h) {
                w->w=w->bl+w->br+width;
                w->h=w->bt+w->bb+height;
                w->packed=1;
        }
#if 0
        if (expand < 100)
                expand=100;
#endif

        /**
         * At this stage the width and height of this
         * widget has been computed.
         * We now make a second pass assigning heights,
         * widths and coordinates to each child widget.
         */

        if (w->flags & gravity_left)
                x=w->p.x+w->bl;
        if (w->flags & gravity_xcenter)
                x=w->p.x+w->w/2-owidth/2;
        if (w->flags & gravity_right)
                x=w->p.x+w->w-w->br-owidth;
        if (w->flags & gravity_top)
                y=w->p.y+w->bt;
        if (w->flags & gravity_ycenter)
                y=w->p.y+w->h/2-oheight/2;
        if (w->flags & gravity_bottom)
                y=w->p.y+w->h-w->bb-oheight;
        l=w->children;
        switch (orientation) {
        case orientation_horizontal:
                l=w->children;
                while (l) {
                        wc=l->data;
                        wc->p.x=x;
                        if (wc->flags & flags_fill)
                                wc->h=w->h;
                        if (wc->flags & flags_expand) {
                                if (! wc->w)
                                        wc->w=1;
                                wc->w=wc->w*expandd/expand;
                        }
                        if (w->flags & gravity_top)
                                wc->p.y=y;
                        if (w->flags & gravity_ycenter)
                                wc->p.y=y-wc->h/2;
                        if (w->flags & gravity_bottom)
                                wc->p.y=y-wc->h;
                        x+=wc->w+w->spx;
                        l=g_list_next(l);
                }
                break;
        case orientation_vertical:
                l=w->children;
                while (l) {
                        wc=l->data;
                        wc->p.y=y;
                        if (wc->flags & flags_fill)
                                wc->w=w->w;
                        if (wc->flags & flags_expand) {
                                if (! wc->h)
                                        wc->h=1;
                                wc->h=wc->h*expandd/expand;
                        }
                        if (w->flags & gravity_left)
                                wc->p.x=x;
                        if (w->flags & gravity_xcenter)
                                wc->p.x=x-wc->w/2;
                        if (w->flags & gravity_right)
                                wc->p.x=x-wc->w;
                        y+=wc->h+w->spy;
                        l=g_list_next(l);
                }
                break;
        case orientation_horizontal_vertical:
                l=w->children;
                x0=x;
                count=0;
                width/=cols;
                height/=rows;
                while (l) {
                        wc=l->data;
                        wc->p.x=x;
                        wc->p.y=y;
                        if (wc->flags & flags_fill) {
                                wc->w=width;
                                wc->h=height;
                        }
                        if (w->flags & gravity_left)
                                wc->p.x=x;
                        if (w->flags & gravity_xcenter)
                                wc->p.x=x+(width-wc->w)/2;
                        if (w->flags & gravity_right)
                                wc->p.x=x+width-wc->w;
                        if (w->flags & gravity_top)
                                wc->p.y=y;
                        if (w->flags & gravity_ycenter)
                                wc->p.y=y+(height-wc->h)/2;
                        if (w->flags & gravity_bottom)
                                wc->p.y=y-height-wc->h;
                        x+=width;
                        if (++count == cols) {
                                count=0;
                                x=x0;
                                y+=height;
                        }
                        l=g_list_next(l);
                }
                break;
        default:
                break;
        }
        /**
         * Call pack again on each child,
         * the child has now had its size and coordinates
         * set so they can repack their children.
         */
        l=w->children;
        while (l) {
                wc=l->data;
                gui_internal_widget_pack(this, wc);
                l=g_list_next(l);
        }
}

static void
gui_internal_widget_reset_pack(struct gui_priv *this, struct widget *w)
{
        struct widget *wc;
        GList *l;

        l=w->children;
        while (l) {
                wc=l->data;
                gui_internal_widget_reset_pack(this, wc);
                l=g_list_next(l);
        }
        if (w->packed) {
                w->w=0;
                w->h=0;
        }
}

static void
gui_internal_widget_append(struct widget *parent, struct widget *child)
{
        if (! child)
                return;
        if (! child->background)
                child->background=parent->background;
        parent->children=g_list_append(parent->children, child);
}

static void gui_internal_widget_prepend(struct widget *parent, struct widget *child)
{
        if (! child->background)
                child->background=parent->background;
        parent->children=g_list_prepend(parent->children, child);
}

static void gui_internal_widget_children_destroy(struct gui_priv *this, struct widget *w)
{
        GList *l;
        struct widget *wc;

        l=w->children;
        while (l) {
                wc=l->data;
                gui_internal_widget_destroy(this, wc);
                l=g_list_next(l);
        }
        g_list_free(w->children);
        w->children=NULL;
}

static void gui_internal_widget_destroy(struct gui_priv *this, struct widget *w)
{
        gui_internal_widget_children_destroy(this, w);
        g_free(w->command);
        g_free(w->speech);
        g_free(w->text);
        if (w->img)
                graphics_image_free(this->gra, w->img);
        if (w->prefix)
                g_free(w->prefix);
        if (w->name)
                g_free(w->name);
        if (w->data_free)
                w->data_free(w->data);
        if (w->cb && w->remove_cb)
                w->remove_cb(w->instance, w->cb);
        if (w==this->highlighted)
            this->highlighted=NULL;
        if(w->free)
                w->free(this,w);
        else
                g_free(w);
}


static void
gui_internal_widget_render(struct gui_priv *this, struct widget *w)
{
        if(w->p.x > this->root.w || w->p.y > this->root.h)
                return;

        switch (w->type) {
        case widget_box:
                gui_internal_box_render(this, w);
                break;
        case widget_label:
                gui_internal_label_render(this, w);
                break;
        case widget_image:
                gui_internal_image_render(this, w);
                break;
        case widget_table:
                gui_internal_table_render(this,w);
                break;
        default:
                break;
        }
}

static void
gui_internal_widget_pack(struct gui_priv *this, struct widget *w)
{
        switch (w->type) {
        case widget_box:
                gui_internal_box_pack(this, w);
                break;
        case widget_table:
          gui_internal_table_pack(this,w);
        default:
                break;
        }
}

//##############################################################################################################
//# Description:
//# Comment:
//# Authors: Martin Schaller (04/2008)
//##############################################################################################################
static void gui_internal_call_highlighted(struct gui_priv *this)
{
        if (! this->highlighted || ! this->highlighted->func)
                return;
        this->highlighted->reason=1;
        this->highlighted->func(this, this->highlighted, this->highlighted->data);
}

static void
gui_internal_say(struct gui_priv *this, struct widget *w, int questionmark)
{
        char *text=w->speech;
        if (! this->speech)
                return;
        if (!text)
                text=w->text;
        if (!text)
                text=w->name;
        if (text) {
                text=g_strdup_printf("%s%c", text, questionmark ? '?':'\0');
                navit_say(this->nav, text);
                g_free(text);
        }
}

static void
gui_internal_menu_destroy(struct gui_priv *this, struct widget *w)
{
        struct menu_data *menu_data=w->menu_data;
        if (menu_data) {
                if (menu_data->refresh_callback_obj.type) {
                        struct object_func *func;
                        func=object_func_lookup(menu_data->refresh_callback_obj.type);
                        if (func && func->remove_attr)
                                func->remove_attr(menu_data->refresh_callback_obj.u.data, &menu_data->refresh_callback);
                }
                if (menu_data->refresh_callback.u.callback)
                        callback_destroy(menu_data->refresh_callback.u.callback);

                g_free(menu_data->href);
                g_free(menu_data);
        }
        gui_internal_widget_destroy(this, w);
        this->root.children=g_list_remove(this->root.children, w);
}

static void
gui_internal_prune_menu_do(struct gui_priv *this, struct widget *w, int render)
{
        GList *l;
        struct widget *wr,*wd;
        gui_internal_search_idle_end(this);
        while ((l = g_list_last(this->root.children))) {
                wd=l->data;
                if (wd == w) {
                        void (*redisplay)(struct gui_priv *priv, struct widget *widget, void *data);
                        if (!render)
                                return;
                        gui_internal_say(this, w, 0);
                        redisplay=w->menu_data->redisplay;
                        wr=w->menu_data->redisplay_widget;
                        if (!w->menu_data->redisplay && !w->menu_data->href) {
                                gui_internal_widget_render(this, w);
                                return;
                        }
                        if (redisplay) {
                                gui_internal_menu_destroy(this, w);
                                redisplay(this, wr, wr->data);
                        } else {
                                char *href=g_strdup(w->menu_data->href);
                                gui_internal_menu_destroy(this, w);
                                gui_internal_html_load_href(this, href, 0);
                                g_free(href);
                        }
                        return;
                }
                gui_internal_menu_destroy(this, wd);
        }
}

static void
gui_internal_prune_menu(struct gui_priv *this, struct widget *w)
{
        gui_internal_prune_menu_do(this, w, 1);
}

static void
gui_internal_prune_menu_count(struct gui_priv *this, int count, int render)
{
        GList *l=g_list_last(this->root.children);
        struct widget *w=NULL;
        while (l && count-- > 0)
                l=g_list_previous(l);
        if (l) {
                w=l->data;
                gui_internal_prune_menu_do(this, w, render);
        }
}

static void
gui_internal_back(struct gui_priv *this, struct widget *w, void *data)
{
        gui_internal_prune_menu_count(this, 1, 1);
}

static void
gui_internal_cmd_return(struct gui_priv *this, struct widget *wm, void *data)
{
        gui_internal_prune_menu(this, wm->data);
}

static void
gui_internal_cmd2_back(struct gui_priv *this, char *function, struct attr **in, struct attr ***out, int *valid)
{
        graphics_draw_mode(this->gra, draw_mode_begin);
        gui_internal_back(this, NULL, NULL);
        graphics_draw_mode(this->gra, draw_mode_end);
        gui_internal_check_exit(this);
}

static void
gui_internal_cmd2_back_to_map(struct gui_priv *this, char *function, struct attr **in, struct attr ***out, int *valid)
{
        gui_internal_prune_menu(this, NULL);
}

static void
gui_internal_cmd_main_menu(struct gui_priv *this, struct widget *wm, void *data)
{
        gui_internal_prune_menu(this, this->root.children->data);
}

static struct widget *
gui_internal_top_bar(struct gui_priv *this)
{
        struct widget *w,*wm,*wh,*wc,*wcn;
        int dots_len, sep_len;
        GList *res=NULL,*l;
        int width,width_used=0,use_sep=0,incomplete=0;
        struct graphics_gc *foreground=(this->flags & 256 ? this->background : this->text_foreground);
/* flags
        1:Don't expand bar to screen width
        2:Don't show Map Icon
        4:Don't show Home Icon
        8:Show only current menu
        16:Don't use menu titles as button
        32:Show navit version
        64:Show time
        128:Show help
        256:Use background for menu headline
        512:Set osd_configuration and zoom to route when setting position
        1024:Don't show back button
        2048:No highlighting of keyboard
*/

        w=gui_internal_box_new(this, gravity_left_center|orientation_horizontal|(this->flags & 1 ? 0:flags_fill));
        w->bl=this->spacing;
        w->spx=this->spacing;
        w->background=this->background2;
        if ((this->flags & 6) == 6) {
                w->bl=10;
                w->br=10;
                w->bt=6;
                w->bb=6;
        }
        width=this->root.w-w->bl;
        if (! (this->flags & 2)) {
                wm=gui_internal_button_new_with_callback(this, NULL,
                        image_new_s(this, "gui_map"), gravity_center|orientation_vertical,
                        gui_internal_cmd_return, NULL);
                wm->speech=g_strdup(_("Back to map"));
                gui_internal_widget_pack(this, wm);
                gui_internal_widget_append(w, wm);
                width-=wm->w;
        }
        if (! (this->flags & 4)) {
                wh=gui_internal_button_new_with_callback(this, NULL,
                        image_new_s(this, "gui_home"), gravity_center|orientation_vertical,
                        gui_internal_cmd_main_menu, NULL);
                wh->speech=g_strdup(_("Main Menu"));
                gui_internal_widget_pack(this, wh);
                gui_internal_widget_append(w, wh);
                width-=wh->w;
        }
        if (!(this->flags & 6))
                width-=w->spx;
        l=g_list_last(this->root.children);
        wcn=gui_internal_label_new(this,".. »");
        wcn->foreground=foreground;
        dots_len=wcn->w;
        gui_internal_widget_destroy(this, wcn);
        wcn=gui_internal_label_new(this,"»");
        wcn->foreground=foreground;
        sep_len=wcn->w;
        gui_internal_widget_destroy(this, wcn);
        while (l) {
                if (g_list_previous(l) || !g_list_next(l)) {
                        wc=l->data;
                        wcn=gui_internal_label_new(this, wc->text);
                        wcn->foreground=foreground;
                        if (g_list_next(l))
                                use_sep=1;
                        else
                                use_sep=0;
                        dbg(1,"%d (%s) + %d + %d + %d > %d\n", wcn->w, wc->text, width_used, w->spx, use_sep ? sep_len : 0, width);
                        if (wcn->w + width_used + w->spx + (use_sep ? sep_len : 0) + (g_list_previous(l) ? dots_len : 0) > width) {
                                incomplete=1;
                                gui_internal_widget_destroy(this, wcn);
                                break;
                        }
                        if (use_sep) {
                                struct widget *wct=gui_internal_label_new(this, "»");
                                wct->foreground=foreground;
                                res=g_list_prepend(res, wct);
                                width_used+=sep_len+w->spx;
                        }
                        width_used+=wcn->w;
                        if (!(this->flags & 16)) {
                                wcn->func=gui_internal_cmd_return;
                                wcn->data=wc;
                                wcn->state |= STATE_SENSITIVE;
                        }
                        res=g_list_prepend(res, wcn);
                        if (this->flags & 8)
                                break;
                }
                l=g_list_previous(l);
        }
        if (incomplete) {
                if (! res) {
                        wcn=gui_internal_label_new_abbrev(this, wc->text, width-width_used-w->spx-dots_len);
                        wcn->foreground=foreground;
                        wcn->func=gui_internal_cmd_return;
                        wcn->data=wc;
                        wcn->state |= STATE_SENSITIVE;
                        res=g_list_prepend(res, wcn);
                        l=g_list_previous(l);
                        wc=l->data;
                }
                wcn=gui_internal_label_new(this, ".. »");
                wcn->foreground=foreground;
                wcn->func=gui_internal_cmd_return;
                wcn->data=wc;
                wcn->state |= STATE_SENSITIVE;
                res=g_list_prepend(res, wcn);
        }
        l=res;
        while (l) {
                gui_internal_widget_append(w, l->data);
                l=g_list_next(l);
        }
        if (this->flags & 32) {
                char *version_text=g_strdup_printf("Navit %s",version);
                wcn=gui_internal_label_new(this, version_text);
                g_free(version_text);
                wcn->flags=gravity_right_center|flags_expand;
                gui_internal_widget_append(w, wcn);
        }
#if 0
        if (dots)
                gui_internal_widget_destroy(this, dots);
#endif
        return w;
}

static struct widget *
gui_internal_time_help(struct gui_priv *this)
{
        struct widget *w,*wc,*wcn;
        char timestr[64];
        struct tm *tm;
        time_t timep;

        w=gui_internal_box_new(this, gravity_right_center|orientation_horizontal|flags_fill);
        w->bl=this->spacing;
        w->spx=this->spacing;
        w->spx=10;
        w->bl=10;
        w->br=10;
        w->bt=6;
        w->bb=6;
        if (this->flags & 64) {
                wc=gui_internal_box_new(this, gravity_right_top|orientation_vertical|flags_fill);
                wc->bl=10;
                wc->br=20;
                wc->bt=6;
                wc->bb=6;
                timep=time(NULL);
                tm=localtime(&timep);
                strftime(timestr, 64, "%H:%M %d.%m.%Y", tm);
                wcn=gui_internal_label_new(this, timestr);
                gui_internal_widget_append(wc, wcn);
                gui_internal_widget_append(w, wc);
        }
        if (this->flags & 128) {
                wcn=gui_internal_button_new_with_callback(this, _("Help"), image_new_l(this, "gui_help"), gravity_center|orientation_vertical|flags_fill, NULL, NULL);
                gui_internal_widget_append(w, wcn);
        }
        return w;
}


/**
 * Applys the configuration values to this based on the settings
 * specified in the configuration file (this->config) and
 * the most approriate default profile based on screen resolution.
 *
 * This function should be run after this->root is setup and could
 * be rerun after the window is resized.
 *
 * @authors Steve Singer <ssinger_pg@sympatico.ca> (09/2008)
 */
static void gui_internal_apply_config(struct gui_priv *this)
{
  struct gui_config_settings *  current_config=0;

  dbg(1,"w=%d h=%d\n", this->root.w, this->root.h);
  /**
   * Select default values from profile based on the screen.
   */
  if((this->root.w > 320 || this->root.h > 320) && this->root.w > 240 && this->root.h > 240)
  {
    if((this->root.w > 640 || this->root.h > 640) && this->root.w > 480 && this->root.h > 480 )
    {
      current_config = &config_profiles[LARGE_PROFILE];
    }
    else
    {
      current_config = &config_profiles[MEDIUM_PROFILE];
    }
  }
  else
  {
    current_config = &config_profiles[SMALL_PROFILE];
  }

  /**
   * Apply override values from config file
   */
  if(this->config.font_size == -1 )
  {
    this->font_size = current_config->font_size;
  }
  else
  {
    this->font_size = this->config.font_size;
  }

  if(this->config.icon_xs == -1 )
  {
      this->icon_xs = current_config->icon_xs;
  }
  else
  {
    this->icon_xs = this->config.icon_xs;
  }

  if(this->config.icon_s == -1 )
  {
    this->icon_s = current_config->icon_s;
  }
  else
  {
    this->icon_s = this->config.icon_s;
  }
  if(this->config.icon_l == -1 )
  {
    this->icon_l = current_config->icon_l;
  }
  else
  {
    this->icon_l = this->config.icon_l;
  }
  if(this->config.spacing == -1 )
  {
    this->spacing = current_config->spacing;
  }
  else
  {
    this->spacing = current_config->spacing;
  }

}

static struct widget *
gui_internal_button_label(struct gui_priv *this, char *label, int mode)
{
        struct widget *wl,*wlb;
        struct widget *wb=gui_internal_menu_data(this)->button_bar;
        wlb=gui_internal_box_new(this, gravity_right_center|orientation_vertical);
        wl=gui_internal_label_new(this, label);
        wlb->border=1;
        wlb->foreground=this->text_foreground;
        wlb->bl=20;
        wlb->br=20;
        wlb->bb=6;
        wlb->bt=6;
        gui_internal_widget_append(wlb, wl);
        if (mode == 1)
                gui_internal_widget_prepend(wb, wlb);
        if (mode == -1)
                gui_internal_widget_append(wb, wlb);

        return wlb;
}


static struct widget *
gui_internal_menu(struct gui_priv *this, const char *label)
{
        struct widget *menu,*w,*w1,*topbox;

        gui_internal_search_idle_end(this);
        topbox=gui_internal_box_new_with_label(this, 0, label);
        topbox->w=this->root.w;
        topbox->h=this->root.h;
        gui_internal_widget_append(&this->root, topbox);
        menu=gui_internal_box_new(this, gravity_left_center|orientation_vertical);
        menu->w=this->root.w;
        menu->h=this->root.h;
        menu->background=this->background;
        gui_internal_apply_config(this);
        if (!this->fonts[0]) {
                this->fonts[0]=graphics_font_new(this->gra,this->font_size,1);
                this->fonts[1]=graphics_font_new(this->gra,this->font_size*66/100,1);
                this->fonts[2]=graphics_font_new(this->gra,this->font_size*50/100,1);
        }
        topbox->menu_data=g_new0(struct menu_data, 1);
        gui_internal_widget_append(topbox, menu);
        w=gui_internal_top_bar(this);
        gui_internal_widget_append(menu, w);
        w=gui_internal_box_new(this, gravity_center|orientation_horizontal_vertical|flags_expand|flags_fill);
        w->spx=4*this->spacing;
        w->w=menu->w;
        gui_internal_widget_append(menu, w);
        if (this->flags & 16 && !(this->flags & 1024)) {
                struct widget *wlb,*wb,*wm=w;
                wm->flags=gravity_center|orientation_vertical|flags_expand|flags_fill;
                w=gui_internal_box_new(this, gravity_center|orientation_horizontal|flags_expand|flags_fill);
                dbg(0,"topbox->menu_data=%p\n", topbox->menu_data);
                gui_internal_widget_append(wm, w);
                wb=gui_internal_box_new(this, gravity_right_center|orientation_horizontal|flags_fill);
                wb->bl=6;
                wb->br=6;
                wb->bb=6;
                wb->bt=6;
                wb->spx=6;
                topbox->menu_data->button_bar=wb;
                gui_internal_widget_append(wm, wb);
                wlb=gui_internal_button_label(this,_("Back"),1);
                wlb->func=gui_internal_back;
                wlb->state |= STATE_SENSITIVE;
        }
        if (this->flags & 192) {
                menu=gui_internal_box_new(this, gravity_left_center|orientation_vertical);
                menu->w=this->root.w;
                menu->h=this->root.h;
                w1=gui_internal_time_help(this);
                gui_internal_widget_append(menu, w1);
                w1=gui_internal_box_new(this, gravity_center|orientation_horizontal_vertical|flags_expand|flags_fill);
                gui_internal_widget_append(menu, w1);
                gui_internal_widget_append(topbox, menu);
                menu->background=NULL;
        }
        gui_internal_widget_pack(this, topbox);
        gui_internal_widget_reset_pack(this, topbox);
        topbox->w=this->root.w;
        topbox->h=this->root.h;
        menu->w=this->root.w;
        menu->h=this->root.h;
        return w;
}

static struct menu_data *
gui_internal_menu_data(struct gui_priv *this)
{
        GList *l;
        struct widget *menu;

        l=g_list_last(this->root.children);
        menu=l->data;
        return menu->menu_data;
}

static void
gui_internal_menu_reset_pack(struct gui_priv *this)
{
        GList *l;
        struct widget *top_box;

        l=g_list_last(this->root.children);
        top_box=l->data;
        gui_internal_widget_reset_pack(this, top_box);
}

static void
gui_internal_menu_render(struct gui_priv *this)
{
        GList *l;
        struct widget *menu;

        l=g_list_last(this->root.children);
        menu=l->data;
        gui_internal_say(this, menu, 0);
        gui_internal_widget_pack(this, menu);
        gui_internal_widget_render(this, menu);
}

static void
gui_internal_cmd_set_destination(struct gui_priv *this, struct widget *wm, void *data)
{
        char *name=data;
        dbg(0,"c=%d:0x%x,0x%x\n", wm->c.pro, wm->c.x, wm->c.y);
        navit_set_destination(this->nav, &wm->c, name, 1);
        if (this->flags & 512) {
                struct attr follow;
                follow.type=attr_follow;
                follow.u.num=180;
                navit_set_attr(this->nav, &this->osd_configuration);
                navit_set_attr(this->nav, &follow);
                navit_zoom_to_route(this->nav, 0);
        }
        gui_internal_prune_menu(this, NULL);
}

static void
gui_internal_cmd_set_position(struct gui_priv *this, struct widget *wm, void *data)
{
        navit_set_position(this->nav, &wm->c);
        gui_internal_prune_menu(this, NULL);
}

static void
gui_internal_cmd_add_bookmark_do(struct gui_priv *this, struct widget *widget)
{
        GList *l;
        struct attr attr;
        dbg(0,"text='%s'\n", widget->text);
        if (widget->text && strlen(widget->text)){
                navit_get_attr(this->nav, attr_bookmarks, &attr, NULL);
                bookmarks_add_bookmark(attr.u.bookmarks, &widget->c, widget->text);
        }
        g_free(widget->text);
        widget->text=NULL;
        l=g_list_previous(g_list_last(this->root.children));
        gui_internal_prune_menu(this, l->data);
}

static void
gui_internal_cmd_add_bookmark_folder_do(struct gui_priv *this, struct widget *widget)
{
        GList *l;
        struct attr attr;
        dbg(0,"text='%s'\n", widget->text);
        if (widget->text && strlen(widget->text)){
                navit_get_attr(this->nav, attr_bookmarks, &attr, NULL);
                bookmarks_add_bookmark(attr.u.bookmarks, NULL, widget->text);
        }
        g_free(widget->text);
        widget->text=NULL;
        l=g_list_previous(g_list_previous(g_list_last(this->root.children)));
        gui_internal_prune_menu(this, l->data);
}

static void
gui_internal_cmd_add_bookmark_clicked(struct gui_priv *this, struct widget *widget, void *data)
{
        gui_internal_cmd_add_bookmark_do(this, widget->data);
}

static void
gui_internal_cmd_add_bookmark_folder_clicked(struct gui_priv *this, struct widget *widget, void *data)
{
        gui_internal_cmd_add_bookmark_folder_do(this, widget->data);
}

static void
gui_internal_cmd_rename_bookmark_clicked(struct gui_priv *this, struct widget *widget,void *data)
{
        struct widget *w=(struct widget*)widget->data;
        GList *l;
        struct attr attr;
        dbg(0,"text='%s'\n", w->text);
        if (w->text && strlen(w->text)){
                navit_get_attr(this->nav, attr_bookmarks, &attr, NULL);
                bookmarks_rename_bookmark(attr.u.bookmarks, w->name, w->text);
        }
        g_free(w->text);
        g_free(w->name);
        w->text=NULL;
        w->name=NULL;
        l=g_list_previous(g_list_previous(g_list_previous(g_list_last(this->root.children))));
        gui_internal_prune_menu(this, l->data);
}

static void
gui_internal_cmd_add_bookmark_changed(struct gui_priv *this, struct widget *wm, void *data)
{
        int len;
        dbg(1,"enter\n");
        if (wm->text) {
                len=strlen(wm->text);
                dbg(1,"len=%d\n", len);
                if (len && (wm->text[len-1] == '\n' || wm->text[len-1] == '\r')) {
                        wm->text[len-1]='\0';
                        gui_internal_cmd_add_bookmark_do(this, wm);
                }
        }
}


static struct widget * gui_internal_keyboard(struct gui_priv *this, int mode);

static void
gui_internal_cmd_add_bookmark2(struct gui_priv *this, struct widget *wm, void *data)
{
        struct widget *w,*wb,*wk,*wl,*we,*wnext;
        char *name=data;
        wb=gui_internal_menu(this,_("Add Bookmark"));
        w=gui_internal_box_new(this, gravity_left_top|orientation_vertical|flags_expand|flags_fill);
        gui_internal_widget_append(wb, w);
        we=gui_internal_box_new(this, gravity_left_center|orientation_horizontal|flags_fill);
        gui_internal_widget_append(w, we);
        gui_internal_widget_append(we, wk=gui_internal_label_new(this, name));
        wk->state |= STATE_EDIT|STATE_EDITABLE|STATE_CLEAR;
        wk->background=this->background;
        wk->flags |= flags_expand|flags_fill;
        wk->func = gui_internal_cmd_add_bookmark_changed;
        wk->c=wm->c;
        gui_internal_widget_append(we, wnext=gui_internal_image_new(this, image_new_xs(this, "gui_active")));
        wnext->state |= STATE_SENSITIVE;
        wnext->func = gui_internal_cmd_add_bookmark_clicked;
        wnext->data=wk;
        wl=gui_internal_box_new(this, gravity_left_top|orientation_vertical|flags_expand|flags_fill);
        gui_internal_widget_append(w, wl);
        if (this->keyboard)
                gui_internal_widget_append(w, gui_internal_keyboard(this,2));
        gui_internal_menu_render(this);
}

static void
gui_internal_cmd_add_bookmark_folder2(struct gui_priv *this, struct widget *wm, void *data)
{
        struct widget *w,*wb,*wk,*wl,*we,*wnext;
        char *name=data;
        wb=gui_internal_menu(this,_("Add Bookmark folder"));
        w=gui_internal_box_new(this, gravity_left_top|orientation_vertical|flags_expand|flags_fill);
        gui_internal_widget_append(wb, w);
        we=gui_internal_box_new(this, gravity_left_center|orientation_horizontal|flags_fill);
        gui_internal_widget_append(w, we);
        gui_internal_widget_append(we, wk=gui_internal_label_new(this, name));
        wk->state |= STATE_EDIT|STATE_EDITABLE|STATE_CLEAR;
        wk->background=this->background;
        wk->flags |= flags_expand|flags_fill;
        wk->func = gui_internal_cmd_add_bookmark_changed;
        wk->c=wm->c;
        gui_internal_widget_append(we, wnext=gui_internal_image_new(this, image_new_xs(this, "gui_active")));
        wnext->state |= STATE_SENSITIVE;
        wnext->func = gui_internal_cmd_add_bookmark_folder_clicked;
        wnext->data=wk;
        wl=gui_internal_box_new(this, gravity_left_top|orientation_vertical|flags_expand|flags_fill);
        gui_internal_widget_append(w, wl);
        if (this->keyboard)
                gui_internal_widget_append(w, gui_internal_keyboard(this,2));
        gui_internal_menu_render(this);
}

static void
gui_internal_cmd_rename_bookmark(struct gui_priv *this, struct widget *wm, void *data)
{
        struct widget *w,*wb,*wk,*wl,*we,*wnext;
        char *name=wm->text;
        wb=gui_internal_menu(this,_("Rename"));
        w=gui_internal_box_new(this, gravity_left_top|orientation_vertical|flags_expand|flags_fill);
        gui_internal_widget_append(wb, w);
        we=gui_internal_box_new(this, gravity_left_center|orientation_horizontal|flags_fill);
        gui_internal_widget_append(w, we);
        gui_internal_widget_append(we, wk=gui_internal_label_new(this, name));
        wk->state |= STATE_EDIT|STATE_EDITABLE|STATE_CLEAR;
        wk->background=this->background;
        wk->flags |= flags_expand|flags_fill;
        wk->func = gui_internal_cmd_add_bookmark_changed;
        wk->c=wm->c;
        wk->name=g_strdup(name);
        gui_internal_widget_append(we, wnext=gui_internal_image_new(this, image_new_xs(this, "gui_active")));
        wnext->state |= STATE_SENSITIVE;
        wnext->func = gui_internal_cmd_rename_bookmark_clicked;
        wnext->data=wk;
        wl=gui_internal_box_new(this, gravity_left_top|orientation_vertical|flags_expand|flags_fill);
        gui_internal_widget_append(w, wl);
        if (this->keyboard)
                gui_internal_widget_append(w, gui_internal_keyboard(this,2));
        gui_internal_menu_render(this);
}

static void
gui_internal_cmd_cut_bookmark(struct gui_priv *this, struct widget *wm, void *data)
{
        struct attr mattr;
        GList *l;
        navit_get_attr(this->nav, attr_bookmarks, &mattr, NULL);
        bookmarks_cut_bookmark(mattr.u.bookmarks,wm->text);
        l=g_list_previous(g_list_previous(g_list_last(this->root.children)));
        gui_internal_prune_menu(this, l->data);
}

static void
gui_internal_cmd_copy_bookmark(struct gui_priv *this, struct widget *wm, void *data)
{
        struct attr mattr;
        GList *l;
        navit_get_attr(this->nav, attr_bookmarks, &mattr, NULL);
        bookmarks_copy_bookmark(mattr.u.bookmarks,wm->text);
        l=g_list_previous(g_list_previous(g_list_last(this->root.children)));
        gui_internal_prune_menu(this, l->data);
}

static void
gui_internal_cmd_paste_bookmark(struct gui_priv *this, struct widget *wm, void *data)
{
        struct attr mattr;
        GList *l;
        navit_get_attr(this->nav, attr_bookmarks, &mattr, NULL);
        bookmarks_paste_bookmark(mattr.u.bookmarks);
        l=g_list_previous(g_list_last(this->root.children));
        gui_internal_prune_menu(this, l->data);
}

static void
gui_internal_cmd_delete_bookmark(struct gui_priv *this, struct widget *wm, void *data)
{
        struct attr mattr;
        GList *l;
        navit_get_attr(this->nav, attr_bookmarks, &mattr, NULL);
        bookmarks_delete_bookmark(mattr.u.bookmarks,wm->text);
        l=g_list_previous(g_list_previous(g_list_last(this->root.children)));
        gui_internal_prune_menu(this, l->data);
}

static void
get_direction(char *buffer, int angle, int mode)
{
        angle=angle%360;
        switch (mode) {
        case 0:
                sprintf(buffer,"%d",angle);
                break;
        case 1:
                if (angle < 69 || angle > 291)
                        *buffer++='N';
                if (angle > 111 && angle < 249)
                        *buffer++='S';
                if (angle > 22 && angle < 158)
                        *buffer++='E';
                if (angle > 202 && angle < 338)
                        *buffer++='W';
                *buffer++='\0';
                break;
        case 2:
                angle=(angle+15)/30;
                if (! angle)
                        angle=12;
                sprintf(buffer,"%d H", angle);
                break;
        }
}

static void gui_internal_cmd_position(struct gui_priv *this, struct widget *wm, void *data);

#ifndef _MSC_VER
//MSVC doesn't supports this style of initialization and i'm not sure
//how to fix it
struct selector {
        char *icon;
        char *name;
        enum item_type *types;
};
struct selector selectors[]={
        {"bank","Bank",(enum item_type []){type_poi_bank,type_poi_bank,type_none}},
        {"fuel","Fuel",(enum item_type []){type_poi_fuel,type_poi_fuel,type_none}},
        {"hotel","Hotel",(enum item_type []) {
                type_poi_hotel,type_poi_camp_rv,
                type_poi_camping,type_poi_camping,
                type_poi_resort,type_poi_resort,
                type_poi_motel,type_poi_hostel,
                type_none}},
        {"restaurant","Restaurant",(enum item_type []) {
                type_poi_bar,type_poi_picnic,
                type_poi_burgerking,type_poi_fastfood,
                type_poi_restaurant,type_poi_restaurant,
                type_none}},
        {"shopping","Shopping",(enum item_type []) {
                type_poi_mall,type_poi_mall,
                type_poi_shop_grocery,type_poi_shop_grocery,
                type_none}},
        {"hospital","Service",(enum item_type []) {
                type_poi_marina,type_poi_marina,
                type_poi_hospital,type_poi_hospital,
                type_poi_public_utilities,type_poi_public_utilities,
                type_poi_police,type_poi_autoservice,
                type_poi_information,type_poi_information,
                type_poi_personal_service,type_poi_repair_service,
                type_poi_restroom,type_poi_restroom,
                type_none}},
        {"parking","Parking",(enum item_type []){type_poi_car_parking,type_poi_car_parking,type_none}},
        {"peak","Land Features",(enum item_type []){
                type_poi_land_feature,type_poi_rock,
                type_poi_dam,type_poi_dam,
                type_poi_peak,type_poi_peak,
                type_none}},
        {"unknown","Other",(enum item_type []){
                type_point_unspecified,type_poi_land_feature-1,
                type_poi_rock+1,type_poi_fuel-1,
                type_poi_marina+1,type_poi_car_parking-1,
                type_poi_car_parking+1,type_poi_bar-1,
                type_poi_bank+1,type_poi_dam-1,
                type_poi_dam+1,type_poi_information-1,
                type_poi_information+1,type_poi_mall-1,
                type_poi_mall+1,type_poi_personal_service-1,
                type_poi_repair_service+1,type_poi_restaurant-1,
                type_poi_restaurant+1,type_poi_restroom-1,
                type_poi_restroom+1,type_poi_shop_grocery-1,
                type_poi_shop_grocery+1,type_poi_peak-1,
                type_poi_peak+1, type_poi_motel-1,
                type_poi_hostel+1,type_line-1,
                type_none}},
        {"unknown","Unknown",(enum item_type []){
                type_point_unkn,type_point_unkn,
                type_none}},
};

union poi_param {
        guint i;
        struct {
                unsigned char sel, selnb, pagenb, dist;
        } p;
};

static void gui_internal_cmd_pois(struct gui_priv *this, struct widget *wm, void *data);

static struct widget *
gui_internal_cmd_pois_selector(struct gui_priv *this, struct pcoord *c, int pagenb)
{
        struct widget *wl,*wb;
        int nitems,nrows;
        int i;
        //wl=gui_internal_box_new(this, gravity_left_center|orientation_horizontal|flags_fill);
        wl=gui_internal_box_new(this, gravity_left_center|orientation_horizontal_vertical|flags_fill);
        wl->background=this->background;
        wl->w=this->root.w;
        wl->cols=this->root.w/this->icon_s;
        nitems=sizeof(selectors)/sizeof(struct selector);
        nrows=nitems/wl->cols + (nitems%wl->cols>0);
        wl->h=this->icon_l*nrows;
        for (i = 0 ; i < nitems ; i++) {
                union poi_param p;
                p.p.sel = 1;
                p.p.selnb = i;
                p.p.pagenb = pagenb;
                p.p.dist = 0;
                gui_internal_widget_append(wl, wb=gui_internal_button_new_with_callback(this, NULL,
                        image_new_s(this, selectors[i].icon), gravity_left_center|orientation_vertical,
                        gui_internal_cmd_pois, GUINT_TO_POINTER(p.i)));
                wb->c=*c;
                wb->bt=10;
        }
        gui_internal_widget_pack(this,wl);
        return wl;
}

static struct widget *
gui_internal_cmd_pois_item(struct gui_priv *this, struct coord *center, struct item *item, struct coord *c, int dist, char* name)
{
        char distbuf[32];
        char dirbuf[32];
        char *type;
        struct widget *wl,*wt;
        char *text;

        wl=gui_internal_box_new(this, gravity_left_center|orientation_horizontal|flags_fill);

        if (dist > 10000)
                sprintf(distbuf,"%d", dist/1000);
        else
                sprintf(distbuf,"%d.%d", dist/1000, (dist%1000)/100);
        get_direction(dirbuf, transform_get_angle_delta(center, c, 0), 1);
        type=item_to_name(item->type);
        if (name[0]) {
                wl->name=g_strdup_printf("%s %s",type,name);
        } else {
                wl->name=g_strdup(type);
        }
        text=g_strdup_printf("%s %s %s %s", distbuf, dirbuf, type, name);
        wt=gui_internal_label_new(this, text);
        wt->datai=dist;
        gui_internal_widget_append(wl, wt);
        g_free(text);

        return wl;
}

static gint
gui_internal_cmd_pois_sort_num(gconstpointer a, gconstpointer b, gpointer user_data)
{
        const struct widget *wa=a;
        const struct widget *wb=b;
        struct widget *wac=wa->children->data;
        struct widget *wbc=wb->children->data;
#if 0
        int ia,ib;
        ia=atoi(wac->text);
        ib=atoi(wbc->text);

        return ia-ib;
#else
        return wac->datai-wbc->datai;
#endif
}

static int
gui_internal_cmd_pois_item_selected(struct selector *sel, enum item_type type)
{
        enum item_type *types;
        if (type >= type_line)
                return 0;
        if (! sel || !sel->types)
                return 1;
        types=sel->types;
        while (*types != type_none) {
                if (type >= types[0] && type <= types[1]) {
                        return 1;
                }
                types+=2;
        }
        return 0;
}

struct item_data {
        int dist;
        char *label;
        struct item item;
        struct coord c;
};

/**
 * @brief Event handler for POIs list "more" element.
 *
 * @param this The graphics context.
 * @param wm called widget.
 * @param data event data.
 */
static void
gui_internal_cmd_pois_more(struct gui_priv *this, struct widget *wm, void *data) 
{
        struct widget *w=g_new0(struct widget,1);
        w->data=wm->data;
        w->c=wm->c;
        w->w=wm->w;
        gui_internal_back(this, NULL, NULL);
        gui_internal_cmd_pois(this, w, NULL);
        free(w);
}


static void
gui_internal_cmd_pois(struct gui_priv *this, struct widget *wm, void *data)
{
        struct map_selection *sel,*selm;
        struct coord c,center;
        struct mapset_handle *h;
        struct map *m;
        struct map_rect *mr;
        struct item *item;
        struct widget *wi,*w,*w2,*wb, *wtable, *row;
        enum projection pro=wm->c.pro;
        union poi_param param = {.i = GPOINTER_TO_UINT(wm->data)};
        int idist,dist=10000*(param.p.dist+1);
        struct selector *isel = param.p.sel? &selectors[param.p.selnb]: NULL;
        int pagenb = param.p.pagenb;
        int prevdist=param.p.dist*10000;
        const int pagesize = 50; // Starting value and increment of count of items to be extracted
        int maxitem = pagesize*(pagenb+1), it = 0, i;
        struct item_data *items= g_new0( struct item_data, maxitem);
        struct fibheap* fh = fh_makekeyheap();
        int cnt = 0;
        struct table_data *td;
        int width=wm->w;
        dbg(2, "Params: sel = %i, selnb = %i, pagenb = %i, dist = %i\n",
                param.p.sel, param.p.selnb, param.p.pagenb, param.p.dist);

        wb=gui_internal_menu(this, isel ? isel->name : _("POIs"));
        w=gui_internal_box_new(this, gravity_top_center|orientation_vertical|flags_expand|flags_fill);
        gui_internal_widget_append(wb, w);
        if (!isel)
                gui_internal_widget_append(w, gui_internal_cmd_pois_selector(this,&wm->c,pagenb));
        w2=gui_internal_box_new(this, gravity_top_center|orientation_vertical|flags_expand|flags_fill);
        gui_internal_widget_append(w, w2);

        sel=map_selection_rect_new(&wm->c,dist*transform_scale(wm->c.y),18);
        center.x=wm->c.x;
        center.y=wm->c.y;
        h=mapset_open(navit_get_mapset(this->nav));
        while ((m=mapset_next(h, 1))) {
                selm=map_selection_dup_pro(sel, pro, map_projection(m));
                mr=map_rect_new(m, selm);
                dbg(2,"mr=%p\n", mr);
                if (mr) {
                        while ((item=map_rect_get_item(mr))) {
                                if (gui_internal_cmd_pois_item_selected(isel, item->type) &&
                                    item_coord_get_pro(item, &c, 1, pro) &&
                                    coord_rect_contains(&sel->u.c_rect, &c)  &&
                                    (idist=transform_distance(pro, &center, &c)) < dist) {
                                        struct item_data *data;
                                        struct attr attr;
                                        if(it>=maxitem) {
                                                data = fh_extractmin(fh);
                                                free(data->label);
                                                data->label=NULL;
                                        } else {
                                                data = &items[it++];
                                        }
                                        data->item = *item;
                                        data->c = c;
                                        data->dist = idist;
                                        if (item_attr_get(item, attr_label, &attr)) {
                                                data->label=g_strdup(attr.u.str);
                                        } else {
                                                data->label=g_strdup("");
                                        }
                                        // Key expression is a workaround to fight
                                        // probable heap collisions when two objects
                                        // are at the same distance. But it destroys
                                        // right order of POIs 2048 km away from cener
                                        // and if table grows more than 1024 rows.
                                        fh_insertkey(fh, -((idist<<10) + cnt++), data);
                                        if (it == maxitem)
                                                dist = (-fh_minkey(fh))>>10;
                                }
                        }
                        map_rect_destroy(mr);
                }
                map_selection_destroy(selm);
        }
        map_selection_destroy(sel);
        mapset_close(h);
        
        wtable = gui_internal_widget_table_new(this,gravity_left_top | flags_fill | flags_expand |orientation_vertical,1);
        td=wtable->data;

        gui_internal_widget_append(w2,wtable);

        // Move items from heap to the table
        for(i=0;;i++) 
        {
                int key = fh_minkey(fh);
                struct item_data *data = fh_extractmin(fh);
                if (data == NULL)
                {
                        dbg(2, "Empty heap: maxitem = %i, it = %i, dist = %i\n", maxitem, it, dist);
                        break;
                }
                dbg(2, "dist1: %i, dist2: %i\n", data->dist, (-key)>>10);
                if(i==(it-pagesize*pagenb) && data->dist>prevdist)
                        prevdist=data->dist;
                wi=gui_internal_cmd_pois_item(this, &center, &data->item, &data->c, data->dist, data->label);
                wi->func=gui_internal_cmd_position;
                wi->data=(void *)2;
                wi->item=data->item;
                wi->state |= STATE_SENSITIVE;
                wi->c.x=data->c.x;
                wi->c.y=data->c.y;
                wi->c.pro=pro;
                wi->w=width;
                wi->background=this->background;
                row = gui_internal_widget_table_row_new(this,
                                                          gravity_left
                                                          | flags_fill
                                                          | orientation_horizontal);
                gui_internal_widget_append(row,wi);
                row->datai=data->dist;
                gui_internal_widget_prepend(wtable,row);
                free(data->label);
        }

        fh_deleteheap(fh);
        free(items);

        // Add an entry for more POI
        struct widget *wl,*wt;
        char buffer[32];
        wl=gui_internal_box_new(this, gravity_left_center|orientation_horizontal|flags_fill);
        if (it == maxitem) {
                param.p.pagenb++;
                snprintf(buffer, sizeof(buffer), "Get more (up to %d items)...", (param.p.pagenb+1)*pagesize);
        } else {
                param.p.dist++;
                snprintf(buffer, sizeof(buffer), "Set search distance to %i km", 10*(param.p.dist+1));
        }
        wt=gui_internal_label_new(this, buffer);
        gui_internal_widget_append(wl, wt);
        wl->func=gui_internal_cmd_pois_more;
        wl->data=GUINT_TO_POINTER(param.i);
        wl->state |= STATE_SENSITIVE;
        wl->c = wm->c;
        row = gui_internal_widget_table_row_new(this,
                                                  gravity_left
                                                  | flags_fill
                                                  | orientation_horizontal);
        row->datai=100000000; // Really far away for Earth, but won't work for bigger planets.
        gui_internal_widget_append(wtable,row);
        gui_internal_widget_append(row,wl);
        // Rendering now is needed to have table_data->bottomrow filled in.
        gui_internal_menu_render(this);
        td=wtable->data;
        if(td->bottom_row!=NULL)
        {
                while(((struct widget*)td->bottom_row->data)->datai<=prevdist
                                && (td->next_button->state & STATE_SENSITIVE))
                {
                        gui_internal_table_button_next(this, td->next_button, NULL);
                }
        }
        gui_internal_menu_render(this);

}
#endif /* _MSC_VER */

static void
gui_internal_cmd_view_on_map(struct gui_priv *this, struct widget *wm, void *data)
{
        if (wm->item.type != type_none) {
                enum item_type type;
                if (wm->item.type < type_line)
                        type=type_selected_point;
                else if (wm->item.type < type_area)
                        type=type_selected_point;
                else
                        type=type_selected_area;
                graphics_clear_selection(this->gra, NULL);
                graphics_add_selection(this->gra, &wm->item, type, NULL);
        }
        navit_set_center(this->nav, &wm->c, 1);
        gui_internal_prune_menu(this, NULL);
}


static void
gui_internal_cmd_view_attribute_details(struct gui_priv *this, struct widget *wm, void *data)
{
        struct widget *w,*wb;
        struct map_rect *mr;
        struct item *item;
        struct attr attr;
        char *text,*url;
        int i;

        text=g_strdup_printf("Attribute %s",wm->name);
        wb=gui_internal_menu(this, text);
        g_free(text);
        w=gui_internal_box_new(this, gravity_top_center|orientation_vertical|flags_expand|flags_fill);
        gui_internal_widget_append(wb, w);
        mr=map_rect_new(wm->item.map, NULL);
        item = map_rect_get_item_byid(mr, wm->item.id_hi, wm->item.id_lo);
        for (i = 0 ; i < wm->datai ; i++) {
                item_attr_get(item, attr_any, &attr);
        }
        if (item_attr_get(item, attr_any, &attr)) {
                url=NULL;
                switch (attr.type) {
                case attr_osm_nodeid:
                        url=g_strdup_printf("http://www.openstreetmap.org/browse/node/"LONGLONG_FMT"\n",*attr.u.num64);
                        break;
                case attr_osm_wayid:
                        url=g_strdup_printf("http://www.openstreetmap.org/browse/way/"LONGLONG_FMT"\n",*attr.u.num64);
                        break;
                case attr_osm_relationid:
                        url=g_strdup_printf("http://www.openstreetmap.org/browse/relation/"LONGLONG_FMT"\n",*attr.u.num64);
                        break;
                default:
                        break;
                }
                if (url) {
                        gui_internal_widget_append(w,
                                        wb=gui_internal_button_new_with_callback(this, _("View in Browser"),
                                                image_new_xs(this, "gui_active"), gravity_left_center|orientation_horizontal|flags_fill,
                                                gui_internal_cmd_view_in_browser, NULL));
                        wb->name=url;
                }
        }
        map_rect_destroy(mr);
        gui_internal_menu_render(this);
}

static void
gui_internal_cmd_view_attributes(struct gui_priv *this, struct widget *wm, void *data)
{
        struct widget *w,*wb;
        struct map_rect *mr;
        struct item *item;
        struct attr attr;
        char *text;
        int count=0;

        dbg(0,"item=%p 0x%x 0x%x\n", wm->item.map,wm->item.id_hi, wm->item.id_lo);
        wb=gui_internal_menu(this, "Attributes");
        w=gui_internal_box_new(this, gravity_top_center|orientation_vertical|flags_expand|flags_fill);
        gui_internal_widget_append(wb, w);
        mr=map_rect_new(wm->item.map, NULL);
        item = map_rect_get_item_byid(mr, wm->item.id_hi, wm->item.id_lo);
        dbg(0,"item=%p\n", item);
        if (item) {
                while(item_attr_get(item, attr_any, &attr)) {
                        text=g_strdup_printf("%s:%s", attr_to_name(attr.type), attr_to_text(&attr, wm->item.map, 1));
                        gui_internal_widget_append(w,
                        wb=gui_internal_button_new_with_callback(this, text,
                                NULL, gravity_left_center|orientation_horizontal|flags_fill,
                                gui_internal_cmd_view_attribute_details, NULL));
                        wb->name=g_strdup(text);
                        wb->item=wm->item;
                        wb->datai=count++;
                        g_free(text);
                }
        }
        map_rect_destroy(mr);
        gui_internal_menu_render(this);
}

static void
gui_internal_cmd_view_in_browser(struct gui_priv *this, struct widget *wm, void *data)
{
        struct map_rect *mr;
        struct item *item;
        struct attr attr;
        char *cmd=NULL;

        if (!wm->name) {
                dbg(0,"item=%p 0x%x 0x%x\n", wm->item.map,wm->item.id_hi, wm->item.id_lo);
                mr=map_rect_new(wm->item.map, NULL);
                item = map_rect_get_item_byid(mr, wm->item.id_hi, wm->item.id_lo);
                dbg(0,"item=%p\n", item);
                if (item) {
                        while(item_attr_get(item, attr_url_local, &attr)) {
                                if (! cmd)
                                        cmd=g_strdup_printf("navit-browser.sh '%s' &",attr.u.str);
                        }
                }
                map_rect_destroy(mr);
        } else {
                cmd=g_strdup_printf("navit-browser.sh '%s' &",wm->name);
        }
        if (cmd) {
#ifdef HAVE_SYSTEM
                system(cmd);
#else
                dbg(0,"calling external cmd '%s' is not supported\n",cmd);
#endif
                g_free(cmd);
        }
}

static void
gui_internal_cmd_position_do(struct gui_priv *this, struct pcoord *pc_in, struct coord_geo *g_in, struct widget *wm, char *name, int flags)
{
        struct widget *wb,*w,*wc,*wbc;
        struct coord_geo g;
        struct pcoord pc;
        struct coord c;
        char *coord;

        if (pc_in) {
                pc=*pc_in;
                c.x=pc.x;
                c.y=pc.y;
                dbg(0,"x=0x%x y=0x%x\n", c.x, c.y);
                transform_to_geo(pc.pro, &c, &g);
        } else if (g_in) {
                struct attr attr;
                if (!navit_get_attr(this->nav, attr_projection, &attr, NULL))
                        return;
                g=*g_in;
                pc.pro=attr.u.projection;
                transform_from_geo(pc.pro, &g, &c);
                pc.x=c.x;
                pc.y=c.y;
        } else
                return;

        wb=gui_internal_menu(this, name);
        w=gui_internal_box_new(this, gravity_top_center|orientation_vertical|flags_expand|flags_fill);
        gui_internal_widget_append(wb, w);
        coord=coordinates(&pc, ' ');
        gui_internal_widget_append(w, gui_internal_label_new(this, coord));
        g_free(coord);
        if ((flags & 1) && wm) {
                gui_internal_widget_append(w,
                        wc=gui_internal_button_new_with_callback(this, _("Streets"),
                                image_new_xs(this, "gui_active"), gravity_left_center|orientation_horizontal|flags_fill,
                                gui_internal_search_street_in_town, wm));
                wc->item=wm->item;
                wc->selection_id=wm->selection_id;
        }
        if ((flags & 2) && wm) {
                gui_internal_widget_append(w,
                        wc=gui_internal_button_new_with_callback(this, _("House numbers"),
                                image_new_xs(this, "gui_active"), gravity_left_center|orientation_horizontal|flags_fill,
                                gui_internal_search_house_number_in_street, wm));
                wc->item=wm->item;
                wc->selection_id=wm->selection_id;
        }
        if ((flags & 4) && wm) {
                struct map_rect *mr;
                struct item *item;
                struct attr attr;
                mr=map_rect_new(wm->item.map, NULL);
                item = map_rect_get_item_byid(mr, wm->item.id_hi, wm->item.id_lo);
                if (item) {
                        if (item_attr_get(item, attr_description, &attr))
                                gui_internal_widget_append(w, gui_internal_label_new(this, attr.u.str));
                        if (item_attr_get(item, attr_url_local, &attr)) {
                                gui_internal_widget_append(w,
                                        wb=gui_internal_button_new_with_callback(this, _("View in Browser"),
                                                image_new_xs(this, "gui_active"), gravity_left_center|orientation_horizontal|flags_fill,
                                                gui_internal_cmd_view_in_browser, NULL));
                                wb->item=wm->item;
                        }
                        gui_internal_widget_append(w,
                                wb=gui_internal_button_new_with_callback(this, _("View Attributes"),
                                        image_new_xs(this, "gui_active"), gravity_left_center|orientation_horizontal|flags_fill,
                                        gui_internal_cmd_view_attributes, NULL));
                        wb->item=wm->item;
                }
                map_rect_destroy(mr);
        }
        if (flags & 8) {
                gui_internal_widget_append(w,
                        wbc=gui_internal_button_new_with_callback(this, _("Set as destination"),
                                image_new_xs(this, "gui_active"), gravity_left_center|orientation_horizontal|flags_fill,
                                gui_internal_cmd_set_destination, g_strdup(name)));
                wbc->data_free=g_free_func;
                wbc->c=pc;
        }
        if (flags & 16) {
                gui_internal_widget_append(w,
                        wbc=gui_internal_button_new_with_callback(this, _("Set as position"),
                        image_new_xs(this, "gui_active"), gravity_left_center|orientation_horizontal|flags_fill,
                        gui_internal_cmd_set_position, wm));
                wbc->c=pc;
        }
        if (flags & 32) {
                gui_internal_widget_append(w,
                        wbc=gui_internal_button_new_with_callback(this, _("Add as bookmark"),
                        image_new_xs(this, "gui_active"), gravity_left_center|orientation_horizontal|flags_fill,
                        gui_internal_cmd_add_bookmark2, g_strdup(name)));
                wbc->data_free=g_free_func;
                wbc->c=pc;
        }
#ifndef _MSC_VER
//POIs are not operational under MSVC yet
        if (flags & 64) {
                gui_internal_widget_append(w,
                        wbc=gui_internal_button_new_with_callback(this, _("POIs"),
                                image_new_xs(this, "gui_active"), gravity_left_center|orientation_horizontal|flags_fill,
                                gui_internal_cmd_pois, NULL));
                wbc->c=pc;
        }
#endif /* _MSC_VER */
#if 0
        gui_internal_widget_append(w,
                gui_internal_button_new(this, "Add to tour",
                        image_new_o(this, "gui_active"), gravity_left_center|orientation_horizontal|flags_fill));
#endif
        if (flags & 128) {
                gui_internal_widget_append(w,
                        wbc=gui_internal_button_new_with_callback(this, _("View on map"),
                                image_new_xs(this, "gui_active"), gravity_left_center|orientation_horizontal|flags_fill,
                                gui_internal_cmd_view_on_map, NULL));
                wbc->c=pc;
                if ((flags & 4) && wm)
                        wbc->item=wm->item;
                else
                        wbc->item.type=type_none;
        }
        if (flags & 256) {
                int dist=10;
                struct mapset *ms;
                struct mapset_handle *h;
                struct map_rect *mr;
                struct map *m;
                struct item *item;
                struct street_data *data;
                struct map_selection sel;
                struct transformation *trans;
                enum projection pro;
                struct attr attr;
                char *label,*text;

                trans=navit_get_trans(this->nav);
                pro=transform_get_projection(trans);
                transform_from_geo(pro, &g, &c);
                ms=navit_get_mapset(this->nav);
                sel.next=NULL;
                sel.u.c_rect.lu.x=c.x-dist;
                sel.u.c_rect.lu.y=c.y+dist;
                sel.u.c_rect.rl.x=c.x+dist;
                sel.u.c_rect.rl.y=c.y-dist;
                sel.order=18;
                sel.range=item_range_all;
                h=mapset_open(ms);
                while ((m=mapset_next(h,1))) {
                        mr=map_rect_new(m, &sel);
                        if (! mr)
                                continue;
                        while ((item=map_rect_get_item(mr))) {
                                data=street_get_data(item);
                                if (transform_within_dist_item(&c, item->type, data->c, data->count, dist)) {
                                        if (item_attr_get(item, attr_label, &attr)) {
                                                label=map_convert_string(m, attr.u.str);
                                                text=g_strdup_printf("%s %s", item_to_name(item->type), label);
                                                map_convert_free(label);
                                        } else
                                                text=g_strdup_printf("%s", item_to_name(item->type));
                                        gui_internal_widget_append(w,
                                                wc=gui_internal_button_new_with_callback(this, text,
                                                image_new_xs(this, "gui_active"), gravity_left_center|orientation_horizontal|flags_fill,
                                                gui_internal_cmd_position, (void *)2));
                                        wc->c.x=data->c[0].x;
                                        wc->c.y=data->c[0].y;
                                        wc->c.pro=pro;
                                        wc->name=g_strdup(text);
                                        wc->item=*item;
                                        g_free(text);
                                }
                                street_data_free(data);
                        }
                        map_rect_destroy(mr);
                }
                mapset_close(h);
        }
        if (flags & 512) {
                gui_internal_widget_append(w,
                        wbc=gui_internal_button_new_with_callback(this, _("Cut Bookmark"),
                                image_new_xs(this, "gui_active"), gravity_left_center|orientation_horizontal|flags_fill,
                                gui_internal_cmd_cut_bookmark, NULL));
                wbc->text=g_strdup(wm->text);
                gui_internal_widget_append(w,
                        wbc=gui_internal_button_new_with_callback(this, _("Copy Bookmark"),
                                image_new_xs(this, "gui_active"), gravity_left_center|orientation_horizontal|flags_fill,
                                gui_internal_cmd_copy_bookmark, NULL));
                wbc->text=g_strdup(wm->text);
                gui_internal_widget_append(w,
                        wbc=gui_internal_button_new_with_callback(this, _("Rename Bookmark"),
                                image_new_xs(this, "gui_active"), gravity_left_center|orientation_horizontal|flags_fill,
                                gui_internal_cmd_rename_bookmark, NULL));
                wbc->text=g_strdup(wm->text);
                gui_internal_widget_append(w,
                        wbc=gui_internal_button_new_with_callback(this, _("Paste Bookmark"),
                                image_new_xs(this, "gui_active"), gravity_left_center|orientation_horizontal|flags_fill,
                                gui_internal_cmd_paste_bookmark, NULL));
                gui_internal_widget_append(w,
                        wbc=gui_internal_button_new_with_callback(this, _("Delete Bookmark"),
                                image_new_xs(this, "gui_active"), gravity_left_center|orientation_horizontal|flags_fill,
                                gui_internal_cmd_delete_bookmark, NULL));
                wbc->text=g_strdup(wm->text);
        }
        gui_internal_menu_render(this);
}


/* wm->data: 0 Nothing special
             1 Map Point
             2 Item
             3 Town
             4 County
             5 Street
                 6 House number
                 7 Bookmark
*/

static void
gui_internal_cmd_position(struct gui_priv *this, struct widget *wm, void *data)
{
        int flags;
        switch ((long) wm->data) {
        case 0:
                flags=8|16|32|64|128|256;
                break;
        case 1:
                flags=8|16|32|64|256;
                break;
        case 2:
                flags=4|8|16|32|64|128;
                break;
        case 3:
                flags=1|8|16|32|64|128;
                flags &= this->flags_town;
                break;
        case 4:
                gui_internal_search_town_in_country(this, wm);
                return;
        case 5:
                flags=2|8|16|32|64|128;
                flags &= this->flags_street;
                break;
        case 6:
                flags=8|16|32|64|128;
                flags &= this->flags_house_number;
                break;
        case 7:
                flags=8|16|64|128|512;
                break;
        default:
                return;
        }
        switch (flags) {
        case 2:
                gui_internal_search_house_number_in_street(this, wm, NULL);
                return;
        case 8:
                gui_internal_cmd_set_destination(this, wm, NULL);
                return;
        }
        gui_internal_cmd_position_do(this, &wm->c, NULL, wm, wm->name ? wm->name : wm->text, flags);
}

static void
gui_internal_cmd2_position(struct gui_priv *this, char *function, struct attr **in, struct attr ***out, int *valid)
{
        char *name=_("Position");
        int flags=-1;

        dbg(1,"enter\n");
        if (!in || !in[0])
                return;
        if (!ATTR_IS_COORD_GEO(in[0]->type))
                return;
        if (in[1] && ATTR_IS_STRING(in[1]->type)) {
                name=in[1]->u.str;
                if (in[2] && ATTR_IS_INT(in[2]->type))
                        flags=in[2]->u.num;
        }
        dbg(1,"flags=0x%x\n",flags);
        gui_internal_cmd_position_do(this, NULL, in[0]->u.coord_geo, NULL, name, flags);
}

/**
  * The "Bookmarks" section of the OSD
  * 
  */

static void
gui_internal_cmd_bookmarks(struct gui_priv *this, struct widget *wm, void *data)
{
        struct attr attr,mattr;
        struct item *item;
        char *label_full,*prefix=0;
        int plen=0,hassub,found=0;
        struct widget *wb,*w,*wbm;
        struct coord c;
        struct widget *tbl, *row;

        if (data)
                prefix=g_strdup(data);
        else {
                if (wm && wm->prefix)
                        prefix=g_strdup(wm->prefix);
        }
        if ( prefix )
        plen=strlen(prefix);

        gui_internal_prune_menu_count(this, 1, 0);
        wb=gui_internal_menu(this, _("Bookmarks"));
        wb->background=this->background;
        w=gui_internal_box_new(this, gravity_top_center|orientation_vertical|flags_expand|flags_fill);
        w->spy=this->spacing*3;
        gui_internal_widget_append(wb, w);

        if(navit_get_attr(this->nav, attr_bookmarks, &mattr, NULL) ) {
                if (!plen) {
                        bookmarks_move_root(mattr.u.bookmarks);
                } else {
                        if (!strcmp(prefix,"..")) {
                                bookmarks_move_up(mattr.u.bookmarks);
                                g_free(prefix);
                                prefix=g_strdup(bookmarks_item_cwd(mattr.u.bookmarks));
                                if (prefix) {
                                        plen=strlen(prefix);
                                } else {
                                        plen=0;
                                }
                        } else {
                                bookmarks_move_down(mattr.u.bookmarks,prefix);
                        }
                        
                          // "Back" button, when inside a bookmark folder
                          
                        if (plen) {
                                wbm=gui_internal_button_new_with_callback(this, "..",
                                        image_new_xs(this, "gui_inactive"), gravity_left_center|orientation_horizontal|flags_fill,
                                                gui_internal_cmd_bookmarks, NULL);
                                                wbm->prefix=g_strdup("..");
                                gui_internal_widget_append(w, wbm);
                        }
                }
                
                // Adds the Bookmark folders
                wbm=gui_internal_button_new_with_callback(this, _("Add Bookmark folder"),
                            image_new_xs(this, "gui_active"), gravity_left_center|orientation_horizontal|flags_fill,
                                gui_internal_cmd_add_bookmark_folder2, NULL);
                gui_internal_widget_append(w, wbm);

                // Pastes the Bookmark
                wbm=gui_internal_button_new_with_callback(this, _("Paste bookmark"),
                                image_new_xs(this, "gui_active"), gravity_left_center|orientation_horizontal|flags_fill,
                                gui_internal_cmd_paste_bookmark, NULL);
                gui_internal_widget_append(w, wbm);

                bookmarks_item_rewind(mattr.u.bookmarks);
                                
                tbl=gui_internal_widget_table_new(this,gravity_left_top | flags_fill | flags_expand |orientation_vertical,1);
                gui_internal_widget_append(w,tbl);

                while ((item=bookmarks_get_item(mattr.u.bookmarks))) {
                        if (!item_attr_get(item, attr_label, &attr)) continue;
                        label_full=attr.u.str;
                        dbg(0,"full_labled: %s\n",label_full);
                        
                        // hassub == 1 if the item type is a sub-folder
                        if (item->type == type_bookmark_folder) {
                                hassub=1;
                        } else {
                                hassub=0;
                        }
                        
                        row=gui_internal_widget_table_row_new(this,gravity_left| flags_fill| orientation_horizontal);
                        gui_internal_widget_append(tbl, row);
                        wbm=gui_internal_button_new_with_callback(this, label_full,
                                image_new_xs(this, hassub ? "gui_inactive" : "gui_active" ), gravity_left_center|orientation_horizontal|flags_fill,
                                        hassub ? gui_internal_cmd_bookmarks : gui_internal_cmd_position, NULL);

                        gui_internal_widget_append(row,wbm);
                        if (item_coord_get(item, &c, 1)) {
                                wbm->c.x=c.x;
                                wbm->c.y=c.y;
                                wbm->c.pro=bookmarks_get_projection(mattr.u.bookmarks);
                                wbm->name=g_strdup_printf(_("Bookmark %s"),label_full);
                                wbm->text=g_strdup(label_full);
                                if (!hassub) {
                                        wbm->data=(void*)7;//Mark us as a bookmark
                                }
                                wbm->prefix=g_strdup(label_full);
                        } else {
                                gui_internal_widget_destroy(this, row);
                        }
                }
        }
        if (plen) {
                g_free(prefix);
        }
        if (found)
                gui_internal_check_exit(this);
        else
                gui_internal_menu_render(this);
}

static void
gui_internal_cmd2_bookmarks(struct gui_priv *this, char *function, struct attr **in, struct attr ***out, int *valid)
{
        char *str=NULL;
        if (in && in[0] && ATTR_IS_STRING(in[0]->type)) {
                str=in[0]->u.str;
        }
        gui_internal_cmd_bookmarks(this, NULL, str);
}

static void
gui_internal_keynav_highlight_next(struct gui_priv *this, int dx, int dy);

static void gui_internal_keypress_do(struct gui_priv *this, char *key)
{
        struct widget *wi,*menu,*search_list;
        int len=0;
        char *text=NULL;

        menu=g_list_last(this->root.children)->data;
        wi=gui_internal_find_widget(menu, NULL, STATE_EDIT);
        if (wi) {
                /* select first item of the searchlist */
                if (*key == NAVIT_KEY_RETURN && (search_list=gui_internal_menu_data(this)->search_list)) {
                        GList *l=search_list->children;
                        if (l && l->data)
                                gui_internal_highlight_do(this, l->data);
                        return; 
                } else if (*key == NAVIT_KEY_BACKSPACE) {
                        dbg(0,"backspace\n");
                        if (wi->text && wi->text[0]) {
                                len=g_utf8_prev_char(wi->text+strlen(wi->text))-wi->text;
                                wi->text[len]=' ';
                                text=g_strdup_printf("%s ", wi->text);
                        }
                } else {
                        if (wi->state & STATE_CLEAR) {
                                dbg(0,"wi->state=0x%x\n", wi->state);
                                g_free(wi->text);
                                wi->text=NULL;
                                wi->state &= ~STATE_CLEAR;
                                dbg(0,"wi->state=0x%x\n", wi->state);
                        }
                        text=g_strdup_printf("%s%s", wi->text ? wi->text : "", key);
                }
                g_free(wi->text);
                wi->text=text;
                if (*key == NAVIT_KEY_BACKSPACE && wi->text) {
                        gui_internal_widget_render(this, wi);
                        wi->text[len]='\0';
                }
                if (wi->func) {
                        wi->reason=2;
                        wi->func(this, wi, wi->data);
                }
                gui_internal_widget_render(this, wi);
        }
}


static void
gui_internal_cmd_keypress(struct gui_priv *this, struct widget *wm, void *data)
{
        struct menu_data *md=gui_internal_menu_data(this);
        gui_internal_keypress_do(this, (char *) wm->data);
        // Switch to lowercase after the first key is pressed
        if (md->keyboard_mode == 2) // Latin
                gui_internal_keyboard_do(this, md->keyboard, 10);
        if (md->keyboard_mode == 26) // Umlaut
                gui_internal_keyboard_do(this, md->keyboard, 34);
        if ((md->keyboard_mode & ~7) == 40) // Russian/Ukrainian/Belorussian
                gui_internal_keyboard_do(this, md->keyboard, 48);
}

static void
gui_internal_search_idle_end(struct gui_priv *this)
{
        if (this->idle) {
                event_remove_idle(this->idle);
                this->idle=NULL;
        }
        if (this->idle_cb) {
                callback_destroy(this->idle_cb);
                this->idle_cb=NULL;
        }
}

static char *
postal_str(struct search_list_result *res, int level)
{
        char *ret=NULL;
        if (res->town->common.postal)
                ret=res->town->common.postal;
        if (res->town->common.postal_mask)
                ret=res->town->common.postal_mask;
        if (level == 1)
                return ret;
        if (res->street->common.postal)
                ret=res->street->common.postal;
        if (res->street->common.postal_mask)
                ret=res->street->common.postal_mask;
        if (level == 2)
                return ret;
        if (res->house_number->common.postal)
                ret=res->house_number->common.postal;
        if (res->house_number->common.postal_mask)
                ret=res->house_number->common.postal_mask;
        return ret;
}

static char *
district_str(struct search_list_result *res, int level)
{
        char *ret=NULL;
        if (res->town->common.district_name)
                ret=res->town->common.district_name;
        if (level == 1)
                return ret;
        if (res->street->common.district_name)
                ret=res->street->common.district_name;
        if (level == 2)
                return ret;
        if (res->house_number->common.district_name)
                ret=res->house_number->common.district_name;
        return ret;
}

static char *
town_str(struct search_list_result *res, int level, int flags)
{
        char *town=res->town->common.town_name;
        char *district=district_str(res, level);
        char *postal=postal_str(res, level);
        char *postal_sep=" ";
        char *district_begin=" (";
        char *district_end=")";
        char *county_sep = ", Co. ";
        char *county = res->town->common.county_name;
        if (!postal)
                postal_sep=postal="";
        if (!district || (flags & 1))
                district_begin=district_end=district="";
        if (!county)
                county_sep=county="";

        return g_strdup_printf("%s%s%s%s%s%s%s%s", postal, postal_sep, town, district_begin, district, district_end, county_sep, county);
}

static void
gui_internal_search_idle(struct gui_priv *this, char *wm_name, struct widget *search_list, void *param)
{
        char *text=NULL,*text2=NULL,*name=NULL;
        struct search_list_result *res;
        struct widget *wc;
        struct item *item=NULL;
        GList *l;
        static char possible_keys[256]="";

        res=search_list_get_result(this->sl);
        if (res) {
                gchar* trunk_name = NULL;

                struct widget *menu=g_list_last(this->root.children)->data;
                struct widget *wi=gui_internal_find_widget(menu, NULL, STATE_EDIT);

                if (wi) {
                        if (! strcmp(wm_name,"Town"))
                                trunk_name = g_strrstr(res->town->common.town_name, wi->text);
                        if (! strcmp(wm_name,"Street"))
                        {
                                name=res->street->name;
                                if (name)
                                        trunk_name = g_strrstr(name, wi->text);
                                else
                                        trunk_name = NULL;
                        }

                        if (trunk_name) {
                                char next_char = trunk_name[strlen(wi->text)];
                                int i;
                                int len = strlen(possible_keys);
                                for(i = 0; (i<len) && (possible_keys[i] != next_char) ;i++) ;
                                if (i==len || !len) {
                                        possible_keys[len]=trunk_name[strlen(wi->text)];
                                        possible_keys[len+1]='\0';
                                }
                                dbg(1,"%s %s possible_keys:%s \n", wi->text, res->town->common.town_name, possible_keys);
                        }
                } else {
                        dbg(0, "Unable to find widget");
                }
        }

        if (! res) {
                struct menu_data *md;
                gui_internal_search_idle_end(this);

                md=gui_internal_menu_data(this);
                if (md && md->keyboard && !(this->flags & 2048)) {
                        GList *lk=md->keyboard->children;
                        graphics_draw_mode(this->gra, draw_mode_begin);
                        while (lk) {
                                struct widget *child=lk->data;
                                GList *lk2=child->children;
                                while (lk2) {
                                        struct widget *child_=lk2->data;
                                        lk2=g_list_next(lk2);
                                        if (child_->data && strcmp("\b", child_->data)) { // FIXME don't disable special keys
                                                if (strlen(possible_keys) == 0)
                                                        child_->state|= STATE_HIGHLIGHTED|STATE_VISIBLE|STATE_SENSITIVE|STATE_CLEAR ;
                                                else if (g_strrstr(possible_keys, child_->data)!=NULL ) {
                                                        child_->state|= STATE_HIGHLIGHTED|STATE_VISIBLE|STATE_SENSITIVE|STATE_CLEAR ;
                                                } else {
                                                        child_->state&= ~(STATE_HIGHLIGHTED|STATE_VISIBLE|STATE_SELECTED) ;
                                                }
                                                gui_internal_widget_render(this,child_);
                                        }
                                }
                                lk=g_list_next(lk);
                        }
                        gui_internal_widget_render(this,md->keyboard);
                        graphics_draw_mode(this->gra, draw_mode_end);
                }

                possible_keys[0]='\0';
                return;
        }

        if (! strcmp(wm_name,"Country")) {
                name=res->country->name;
                item=&res->country->common.item;
                text=g_strdup_printf("%s", res->country->name);
        }
        if (! strcmp(wm_name,"Town")) {
                item=&res->town->common.item;
                name=res->town->common.town_name;
                text=town_str(res, 1, 0);
        }
        if (! strcmp(wm_name,"Street")) {
                name=res->street->name;
                item=&res->street->common.item;
                text=g_strdup(res->street->name);
                text2=town_str(res, 2, 1);
        }
        if (! strcmp(wm_name,"House number")) {
                name=res->house_number->house_number;
                text=g_strdup_printf("%s %s", res->street->name, name);
                text2=town_str(res, 3, 0);
        }
        dbg(1,"res->country->flag=%s\n", res->country->flag);
                if (!text2) {
                gui_internal_widget_append(search_list,
                                wc=gui_internal_button_new_with_callback(this, text,
                                        image_new_xs(this, res->country->flag),
                                        gravity_left_center|orientation_horizontal|flags_fill,
                                        gui_internal_cmd_position, param));
                } else {
                        struct widget *wb;
                        wc=gui_internal_box_new(this, gravity_left_center|orientation_horizontal|flags_fill);
                        gui_internal_widget_append(wc, gui_internal_image_new(this, image_new_xs(this, res->country->flag)));
                        wb=gui_internal_box_new(this, gravity_left_center|orientation_vertical|flags_fill);
                        gui_internal_widget_append(wb, gui_internal_label_new(this, text));
                        gui_internal_widget_append(wb, gui_internal_label_font_new(this, text2, 1));
                        gui_internal_widget_append(wc, wb);
                        wc->func=gui_internal_cmd_position;
                        wc->data=param;
                        wc->state |= STATE_SENSITIVE;
                        wc->speech=g_strdup(text);
                        gui_internal_widget_append(search_list, wc);
                }
                wc->name=g_strdup(name);
                if (res->c)
                        wc->c=*res->c;
                wc->selection_id=res->id;
                if (item)
                        wc->item=*item;
                gui_internal_widget_pack(this, search_list);
                l=g_list_last(this->root.children);
                graphics_draw_mode(this->gra, draw_mode_begin);
                gui_internal_widget_render(this, l->data);
                graphics_draw_mode(this->gra, draw_mode_end);
        g_free(text);
        g_free(text2);
}

static void
gui_internal_search_idle_start(struct gui_priv *this, char *wm_name, struct widget *search_list, void *param)
{
        this->idle_cb=callback_new_4(callback_cast(gui_internal_search_idle), this, wm_name, search_list, param);
        this->idle=event_add_idle(50,this->idle_cb);
        callback_call_0(this->idle_cb);
}


/**
 *
 * @param wm The widget that generated the event for the search changed,
 *        if this was generated by a key on the virtual keyboard then
 *        wm is the key button widget.
 */
static void
gui_internal_search_changed(struct gui_priv *this, struct widget *wm, void *data)
{
        GList *l;
        struct widget *search_list=gui_internal_menu_data(this)->search_list;
        void *param=(void *)3;
        int minlen=1;
        gui_internal_widget_children_destroy(this, search_list);

        if (! strcmp(wm->name,"Country"))
                param=(void *)4;
        if (! strcmp(wm->name,"Street"))
                param=(void *)5;
        if (! strcmp(wm->name,"House number"))
                param=(void *)6;
        dbg(0,"%s now '%s'\n", wm->name, wm->text);

        gui_internal_search_idle_end(this);
        if (wm->text && g_utf8_strlen(wm->text, -1) >= minlen) {
                struct attr search_attr;

                dbg(0,"process\n");
                if (! strcmp(wm->name,"Country"))
                        search_attr.type=attr_country_all;
                if (! strcmp(wm->name,"Town"))
                        search_attr.type=attr_town_or_district_name;
                if (! strcmp(wm->name,"Street"))
                        search_attr.type=attr_street_name;
                if (! strcmp(wm->name,"House number"))
                        search_attr.type=attr_house_number;
                search_attr.u.str=wm->text;
                search_list_search(this->sl, &search_attr, 1);
                gui_internal_search_idle_start(this, wm->name, search_list, param);
        }
        l=g_list_last(this->root.children);
        gui_internal_widget_render(this, l->data);
}

static struct widget *
gui_internal_keyboard_key_data(struct gui_priv *this, struct widget *wkbd, char *text, int font, void(*func)(struct gui_priv *priv, struct widget *widget, void *data), void *data, void (*data_free)(void *data), int w, int h)
{
        struct widget *wk;
        gui_internal_widget_append(wkbd, wk=gui_internal_button_font_new_with_callback(this, text, font,
                NULL, gravity_center|orientation_vertical, func, data));
        wk->data_free=data_free;
        wk->background=this->background;
        wk->bl=0;
        wk->br=0;
        wk->bt=0;
        wk->bb=0;
        wk->w=w;
        wk->h=h;
        return wk;
}

static struct widget *
gui_internal_keyboard_key(struct gui_priv *this, struct widget *wkbd, char *text, char *key, int w, int h)
{
        return gui_internal_keyboard_key_data(this, wkbd, text, 0, gui_internal_cmd_keypress, g_strdup(key), g_free_func,w,h);
}

static void gui_internal_keyboard_change(struct gui_priv *this, struct widget *key, void *data);


// A list of availiable keyboard modes.
struct gui_internal_keyb_mode {
    char title[16]; // Label to be displayed on keys that switch to it
    int font; // Font size of label
    int case_mode; // Mode to switch to when case CHANGE() key is pressed.
    int umlaut_mode;  // Mode to switch to when UMLAUT() key is pressed.
} gui_internal_keyb_modes[]= {
        /* 0*/ {"ABC", 2,  8, 24},
        /* 8*/ {"abc", 2,  0, 32},
        /*16*/ {"123", 2,  0, 24},
        /*24*/ {"ÄÖÜ", 2, 40, 0},
        /*32*/ {"äöü", 2, 32, 8},
        /*40*/ {"АБВ", 2, 48,  0},
        /*48*/ {"абв", 2, 40,  8}
};


// Some macros that make the keyboard layout easier to visualise in
// the source code. The macros are #undef'd after this function.
#define KEY(x) gui_internal_keyboard_key(this, wkbd, (x), (x), max_w, max_h)
#define SPACER() gui_internal_keyboard_key_data(this, wkbd, "", 0, NULL, NULL, NULL,max_w,max_h)
#define MODE(x) gui_internal_keyboard_key_data(this, wkbd, \
                gui_internal_keyb_modes[(x)/8].title, \
                gui_internal_keyb_modes[(x)/8].font, \
                gui_internal_keyboard_change, wkbdb, NULL,max_w,max_h) \
                        -> datai=(mode&7)+((x)&~7)
#define SWCASE() MODE(gui_internal_keyb_modes[mode/8].case_mode)
#define UMLAUT() MODE(gui_internal_keyb_modes[mode/8].umlaut_mode)
static struct widget *
gui_internal_keyboard_do(struct gui_priv *this, struct widget *wkbdb, int mode)
{
        struct widget *wkbd,*wk;
        struct menu_data *md=gui_internal_menu_data(this);
        int i, max_w=this->root.w, max_h=this->root.h;
        int render=0;
        char *space="_";
        char *backspace="←";
        char *hide="▼";
        char *unhide="▲";

        if (wkbdb) {
                this->current.x=-1;
                this->current.y=-1;
                gui_internal_highlight(this);
                if (md->keyboard_mode >= 1024)
                        render=2;
                else
                        render=1;
                gui_internal_widget_children_destroy(this, wkbdb);
        } else
                wkbdb=gui_internal_box_new(this, gravity_center|orientation_horizontal_vertical|flags_fill);
        md->keyboard=wkbdb;
        md->keyboard_mode=mode;
        wkbd=gui_internal_box_new(this, gravity_center|orientation_horizontal_vertical|flags_fill);
        wkbd->background=this->background;
        wkbd->cols=8;
        wkbd->spx=0;
        wkbd->spy=0;
        max_w=max_w/8;
        max_h=max_h/8; // Allows 3 results in the list when searching for Towns
        wkbd->p.y=max_h*2;
        if(mode>=40&&mode<56) { // Russian/Ukrainian/Belarussian layout needs more space...
                max_h=max_h*4/5;
                max_w=max_w*8/9;
                wkbd->cols=9;
        }

        if (mode >= 0 && mode < 8) {
                for (i = 0 ; i < 26 ; i++) {
                        char text[]={'A'+i,'\0'};
                        KEY(text);
                }
                gui_internal_keyboard_key(this, wkbd, space," ",max_w,max_h);
                if (mode == 0) {
                        KEY("-");
                        KEY("'");
                        wk=gui_internal_keyboard_key_data(this, wkbd, hide, 0, gui_internal_keyboard_change, wkbdb, NULL,max_w,max_h);
                        wk->datai=mode+1024;
                } else {
                        wk=gui_internal_keyboard_key_data(this, wkbd, hide, 0, gui_internal_keyboard_change, wkbdb, NULL,max_w,max_h);
                        wk->datai=mode+1024;
                        SWCASE();
                        MODE(16);
                        
                }
                UMLAUT();
                gui_internal_keyboard_key(this, wkbd, backspace,"\b",max_w,max_h);
        }
        if (mode >= 8 && mode < 16) {
                for (i = 0 ; i < 26 ; i++) {
                        char text[]={'a'+i,'\0'};
                        KEY(text);
                }
                gui_internal_keyboard_key(this, wkbd, space," ",max_w,max_h);
                if (mode == 8) {
                        KEY("-");
                        KEY("'");
                        wk=gui_internal_keyboard_key_data(this, wkbd, hide, 0, gui_internal_keyboard_change, wkbdb, NULL,max_w,max_h);
                        wk->datai=mode+1024;
                } else {
                        wk=gui_internal_keyboard_key_data(this, wkbd, hide, 0, gui_internal_keyboard_change, wkbdb, NULL,max_w,max_h);
                        wk->datai=mode+1024;
                        SWCASE();
                        
                        MODE(16);
                }
                UMLAUT();
                gui_internal_keyboard_key(this, wkbd, backspace,"\b",max_w,max_h);
        }
        if (mode >= 16 && mode < 24) {
                for (i = 0 ; i < 10 ; i++) {
                        char text[]={'0'+i,'\0'};
                        KEY(text);
                }
                KEY("."); KEY("°"); KEY("'"); KEY("\""); KEY("-"); KEY("+");
                KEY("*"); KEY("/"); KEY("("); KEY(")"); KEY("="); KEY("?");

                
                if (mode == 16) {
                        for (i = 0 ; i < 5 ; i++) SPACER();
                        KEY("-");
                        KEY("'");
                        wk=gui_internal_keyboard_key_data(this, wkbd, hide, 0, gui_internal_keyboard_change, wkbdb, NULL,max_w,max_h);
                        wk->datai=mode+1024;
                } else {
                        for (i = 0 ; i < 3 ; i++) SPACER();
                        MODE(40);
                        MODE(48);
                        wk=gui_internal_keyboard_key_data(this, wkbd, hide, 0, gui_internal_keyboard_change, wkbdb, NULL,max_w,max_h);
                        wk->datai=mode+1024;
                        MODE(0);
                        MODE(8);
                }
                UMLAUT();
                gui_internal_keyboard_key(this, wkbd, backspace,"\b",max_w,max_h);
        }
        if (mode >= 24 && mode < 32) {
                KEY("Ä"); KEY("Ë"); KEY("Ï"); KEY("Ö"); KEY("Ü"); KEY("Æ"); KEY("Ø"); KEY("Å");
                KEY("Á"); KEY("É"); KEY("Í"); KEY("Ó"); KEY("Ú"); KEY("Š"); KEY("Č"); KEY("Ž");
                KEY("À"); KEY("È"); KEY("Ì"); KEY("Ò"); KEY("Ù"); KEY("Ś"); KEY("Ć"); KEY("Ź");
                KEY("Â"); KEY("Ê"); KEY("Î"); KEY("Ô"); KEY("Û"); SPACER();

                UMLAUT();

                gui_internal_keyboard_key(this, wkbd, backspace,"\b",max_w,max_h);
        }
        if (mode >= 32 && mode < 40) {
                KEY("ä"); KEY("ë"); KEY("ï"); KEY("ö"); KEY("ü"); KEY("æ"); KEY("ø"); KEY("å");
                KEY("á"); KEY("é"); KEY("í"); KEY("ó"); KEY("ú"); KEY("š"); KEY("č"); KEY("ž");
                KEY("à"); KEY("è"); KEY("ì"); KEY("ò"); KEY("ù"); KEY("ś"); KEY("ć"); KEY("ź");
                KEY("â"); KEY("ê"); KEY("î"); KEY("ô"); KEY("û"); KEY("ß");

                UMLAUT();

                gui_internal_keyboard_key(this, wkbd, backspace,"\b",max_w,max_h);
        }
        if (mode >= 40 && mode < 48) {
                KEY("А"); KEY("Б"); KEY("В"); KEY("Г"); KEY("Д"); KEY("Е"); KEY("Ж"); KEY("З"); KEY("И");
                KEY("Й"); KEY("К"); KEY("Л"); KEY("М"); KEY("Н"); KEY("О"); KEY("П"); KEY("Р"); KEY("С");
                KEY("Т"); KEY("У"); KEY("Ф"); KEY("Х"); KEY("Ц"); KEY("Ч"); KEY("Ш"); KEY("Щ"); KEY("Ъ"); 
                KEY("Ы"); KEY("Ь"); KEY("Э"); KEY("Ю"); KEY("Я"); KEY("Ё"); KEY("І"); KEY("Ї"); KEY("Ў");
                SPACER(); SPACER(); SPACER();
                gui_internal_keyboard_key(this, wkbd, space," ",max_w,max_h);

                wk=gui_internal_keyboard_key_data(this, wkbd, hide, 0, gui_internal_keyboard_change, wkbdb, NULL,max_w,max_h);
                wk->datai=mode+1024;

                SWCASE();

                MODE(16);

                SPACER();

                gui_internal_keyboard_key(this, wkbd, backspace,"\b",max_w,max_h);
        }
        if (mode >= 48 && mode < 56) {
                KEY("а"); KEY("б"); KEY("в"); KEY("г"); KEY("д"); KEY("е"); KEY("ж"); KEY("з"); KEY("и");
                KEY("й"); KEY("к"); KEY("л"); KEY("м"); KEY("н"); KEY("о"); KEY("п"); KEY("р"); KEY("с");
                KEY("т"); KEY("у"); KEY("ф"); KEY("х"); KEY("ц"); KEY("ч"); KEY("ш"); KEY("щ"); KEY("ъ");
                KEY("ы"); KEY("ь"); KEY("э"); KEY("ю"); KEY("я"); KEY("ё"); KEY("і"); KEY("ї"); KEY("ў");
                SPACER(); SPACER(); SPACER();
                gui_internal_keyboard_key(this, wkbd, space," ",max_w,max_h);
                
                wk=gui_internal_keyboard_key_data(this, wkbd, hide, 0, gui_internal_keyboard_change, wkbdb, NULL,max_w,max_h);
                wk->datai=mode+1024;

                SWCASE();

                MODE(16);

                SPACER();

                gui_internal_keyboard_key(this, wkbd, backspace,"\b",max_w,max_h);
        }
        
        
        if (mode >= 1024) {
                char *text=NULL;
                int font=0;
                struct widget *wkl;
                mode -= 1024;
                text=gui_internal_keyb_modes[mode/8].title;
                font=gui_internal_keyb_modes[mode/8].font;
                wk=gui_internal_box_new(this, gravity_center|orientation_horizontal|flags_fill);
                wk->func=gui_internal_keyboard_change;
                wk->data=wkbdb;
                wk->background=this->background;
                wk->bl=0;
                wk->br=0;
                wk->bt=0;
                wk->bb=0;
                wk->w=max_w;
                wk->h=max_h;
                wk->datai=mode;
                wk->state |= STATE_SENSITIVE;
                gui_internal_widget_append(wk, wkl=gui_internal_label_new(this, unhide));
                wkl->background=NULL;
                gui_internal_widget_append(wk, wkl=gui_internal_label_font_new(this, text, font));
                wkl->background=NULL;
                gui_internal_widget_append(wkbd, wk);
                if (render)
                        render=2;
        }
        gui_internal_widget_append(wkbdb, wkbd);
        if (render == 1) {
                gui_internal_widget_pack(this, wkbdb);
                gui_internal_widget_render(this, wkbdb);
        } else if (render == 2) {
                gui_internal_menu_reset_pack(this);
                gui_internal_menu_render(this);
        }
        return wkbdb;
}
#undef KEY
#undef SPACER
#undef SWCASE
#undef UMLAUT
#undef MODE

static struct widget *
gui_internal_keyboard(struct gui_priv *this, int mode)
{
        if (! this->keyboard)
                return NULL;
        return gui_internal_keyboard_do(this, NULL, mode);
}

static void
gui_internal_keyboard_change(struct gui_priv *this, struct widget *key, void *data)
{
        gui_internal_keyboard_do(this, key->data, key->datai);
}

static void
gui_internal_search_list_set_default_country(struct gui_priv *this)
{
        struct attr search_attr, country_name, country_iso2, *country_attr;
        struct item *item;
        struct country_search *cs;
        struct tracking *tracking;
        struct search_list_result *res;

        country_attr=country_default();
        tracking=navit_get_tracking(this->nav);
        if (tracking && tracking_get_attr(tracking, attr_country_id, &search_attr, NULL))
                country_attr=&search_attr;
        if (country_attr) {
                cs=country_search_new(country_attr, 0);
                item=country_search_get_item(cs);
                if (item && item_attr_get(item, attr_country_name, &country_name)) {
                        search_attr.type=attr_country_all;
                        dbg(0,"country %s\n", country_name.u.str);
                        search_attr.u.str=country_name.u.str;
                        search_list_search(this->sl, &search_attr, 0);
                        while((res=search_list_get_result(this->sl)));
                        if(this->country_iso2) {
                                g_free(this->country_iso2);
                                this->country_iso2=NULL;
                        }
                        if (item_attr_get(item, attr_country_iso2, &country_iso2))
                                this->country_iso2=g_strdup(country_iso2.u.str);
                }
                country_search_destroy(cs);
        } else {
                dbg(0,"warning: no default country found\n");
                if (this->country_iso2) {
                    dbg(0,"attempting to use country '%s'\n",this->country_iso2);
                    search_attr.type=attr_country_iso2;
                    search_attr.u.str=this->country_iso2;
            search_list_search(this->sl, &search_attr, 0);
            while((res=search_list_get_result(this->sl)));
                }
        }
}

static void
gui_internal_search_list_new(struct gui_priv *this)
{
        struct mapset *ms=navit_get_mapset(this->nav);
        if (! this->sl) {
                this->sl=search_list_new(ms);
                gui_internal_search_list_set_default_country(this);
        }
}

static void
gui_internal_search_list_destroy(struct gui_priv *this)
{
        if (this->sl) {
                search_list_destroy(this->sl);
                this->sl=NULL;
        }
}


static void
gui_internal_search(struct gui_priv *this, char *what, char *type, int flags)
{
        struct widget *wb,*wk,*w,*wr,*we,*wl,*wnext=NULL;
        char *country;
        int keyboard_mode=2;
        gui_internal_search_list_new(this);
        wb=gui_internal_menu(this, what);
        w=gui_internal_box_new(this, gravity_center|orientation_vertical|flags_expand|flags_fill);
        gui_internal_widget_append(wb, w);
        wr=gui_internal_box_new(this, gravity_top_center|orientation_vertical|flags_expand|flags_fill);
        gui_internal_widget_append(w, wr);
        we=gui_internal_box_new(this, gravity_left_center|orientation_horizontal|flags_fill);
        gui_internal_widget_append(wr, we);
        if (!strcmp(type,"Country")) {
                wnext=gui_internal_image_new(this, image_new_xs(this, "gui_select_town"));
                wnext->func=gui_internal_search_town;
        } else if (!strcmp(type,"Town")) {
                if (this->country_iso2) {
#if HAVE_API_ANDROID
                        char country_iso2[strlen(this->country_iso2)+1];
                        strtolower(country_iso2, this->country_iso2);
                        country=g_strdup_printf("country_%s", country_iso2);
#else
                        country=g_strdup_printf("country_%s", this->country_iso2);
#endif
                } else
                        country=g_strdup("gui_select_country");
                gui_internal_widget_append(we, wb=gui_internal_image_new(this, image_new_xs(this, country)));
                wb->state |= STATE_SENSITIVE;
                if (flags)
                        wb->func = gui_internal_search_country;
                else
                        wb->func = gui_internal_back;
                wnext=gui_internal_image_new(this, image_new_xs(this, "gui_select_street"));
                wnext->func=gui_internal_search_street;
                g_free(country);
        } else if (!strcmp(type,"Street")) {
                gui_internal_widget_append(we, wb=gui_internal_image_new(this, image_new_xs(this, "gui_select_town")));
                wb->state |= STATE_SENSITIVE;
                wb->func = gui_internal_back;
                wnext=gui_internal_image_new(this, image_new_xs(this, "gui_select_house_number"));
                wnext->func=gui_internal_search_house_number;
        } else if (!strcmp(type,"House number")) {
                gui_internal_widget_append(we, wb=gui_internal_image_new(this, image_new_xs(this, "gui_select_street")));
                wb->state |= STATE_SENSITIVE;
                wb->func = gui_internal_back;
                keyboard_mode=18;
        }
        gui_internal_widget_append(we, wk=gui_internal_label_new(this, NULL));
        if (wnext) {
                gui_internal_widget_append(we, wnext);
                wnext->state |= STATE_SENSITIVE;
        }
        wl=gui_internal_box_new(this, gravity_left_top|orientation_vertical|flags_expand|flags_fill);
        gui_internal_widget_append(wr, wl);
        gui_internal_menu_data(this)->search_list=wl;
        wk->state |= STATE_EDIT|STATE_EDITABLE;
        wk->background=this->background;
        wk->flags |= flags_expand|flags_fill;
        wk->func = gui_internal_search_changed;
        wk->name=g_strdup(type);
        if (this->keyboard)
                gui_internal_widget_append(w, gui_internal_keyboard(this,keyboard_mode));
        gui_internal_menu_render(this);
}

static void
gui_internal_search_house_number(struct gui_priv *this, struct widget *widget, void *data)
{
        search_list_select(this->sl, attr_street_name, 0, 0);
        gui_internal_search(this,_("House number"),"House number",0);
}

static void
gui_internal_search_house_number_in_street(struct gui_priv *this, struct widget *widget, void *data)
{
        dbg(0,"id %d\n", widget->selection_id);
        search_list_select(this->sl, attr_street_name, 0, 0);
        search_list_select(this->sl, attr_street_name, widget->selection_id, 1);
        gui_internal_search(this,_("House number"),"House number",0);
}

static void
gui_internal_search_street(struct gui_priv *this, struct widget *widget, void *data)
{
        search_list_select(this->sl, attr_town_or_district_name, 0, 0);
        gui_internal_search(this,_("Street"),"Street",0);
}

static void
gui_internal_search_street_in_town(struct gui_priv *this, struct widget *widget, void *data)
{
        dbg(0,"id %d\n", widget->selection_id);
        search_list_select(this->sl, attr_town_or_district_name, 0, 0);
        search_list_select(this->sl, attr_town_or_district_name, widget->selection_id, 1);
        gui_internal_search(this,_("Street"),"Street",0);
}

static void
gui_internal_search_town(struct gui_priv *this, struct widget *wm, void *data)
{
        if (this->sl)
                search_list_select(this->sl, attr_country_all, 0, 0);
        g_free(this->country_iso2);
        this->country_iso2=NULL;
        gui_internal_search(this,_("Town"),"Town",0);
}

static void
gui_internal_search_town_in_country(struct gui_priv *this, struct widget *widget)
{
        struct search_list_common *slc;
        dbg(0,"id %d\n", widget->selection_id);
        search_list_select(this->sl, attr_country_all, 0, 0);
        slc=search_list_select(this->sl, attr_country_all, widget->selection_id, 1);
        if (slc) {
                g_free(this->country_iso2);
                this->country_iso2=g_strdup(((struct search_list_country *)slc)->iso2);
        }
        gui_internal_search(this,widget->name,"Town",0);
}

static void
gui_internal_search_country(struct gui_priv *this, struct widget *widget, void *data)
{
        gui_internal_prune_menu_count(this, 1, 0);
        gui_internal_search(this,_("Country"),"Country",0);
}

static void
gui_internal_cmd2_town(struct gui_priv *this, char *function, struct attr **in, struct attr ***out, int *valid)
{
        if (this->sl)
                search_list_select(this->sl, attr_country_all, 0, 0);
        gui_internal_search(this,_("Town"),"Town",1);
}

static void
gui_internal_cmd2_setting_layout(struct gui_priv *this, char *function, struct attr **in, struct attr ***out, int *valid)
{
        struct attr attr;
        struct widget *w,*wb,*wl;
        struct attr_iter *iter;


        wb=gui_internal_menu(this, _("Layout"));
        w=gui_internal_box_new(this, gravity_top_center|orientation_vertical|flags_expand|flags_fill);
        w->spy=this->spacing*3;
        gui_internal_widget_append(wb, w);
        iter=navit_attr_iter_new();
        while(navit_get_attr(this->nav, attr_layout, &attr, iter)) {
                wl=gui_internal_button_navit_attr_new(this, attr.u.layout->name, gravity_left_center|orientation_horizontal|flags_fill,
                        &attr, NULL);
                gui_internal_widget_append(w, wl);
        }
        navit_attr_iter_destroy(iter);
        gui_internal_menu_render(this);
}

static void
gui_internal_cmd2_quit(struct gui_priv *this, char *function, struct attr **in, struct attr ***out, int *valid)
{
        struct attr navit;
        gui_internal_prune_menu(this, NULL);
        navit.type=attr_navit;
        navit.u.navit=this->nav;
        navit_destroy(navit.u.navit);
        config_remove_attr(config, &navit);
        gui_internal_destroy(this);
        event_main_loop_quit();
}

static void
gui_internal_window_closed(struct gui_priv *this)
{
        gui_internal_cmd2_quit(this, NULL, NULL, NULL, NULL);
}

static void
gui_internal_cmd2_abort_navigation(struct gui_priv *this, char *function, struct attr **in, struct attr ***out, int *valid)
{
        navit_set_destination(this->nav, NULL, NULL, 0);
}

static void
gui_internal_cmd_map_download_do(struct gui_priv *this, struct widget *wm, void *data)
{
        char *text=g_strdup_printf(_("Download %s"),wm->name);
        struct widget *w, *wb;
        struct map *map=data;
        double bllon,bllat,trlon,trlat;

        wb=gui_internal_menu(this, text);
        g_free(text);
        w=gui_internal_box_new(this, gravity_top_center|orientation_vertical|flags_expand|flags_fill);
        w->spy=this->spacing*3;
        gui_internal_widget_append(wb, w);
        if (sscanf(wm->prefix,"%lf,%lf,%lf,%lf",&bllon,&bllat,&trlon,&trlat) == 4) {
                struct coord_geo g;
                struct map_selection sel;
                struct map_rect *mr;
                struct item *item;

                sel.next=NULL;
                sel.order=255;
                g.lng=bllon;
                g.lat=trlat;
                transform_from_geo(projection_mg, &g, &sel.u.c_rect.lu);
                g.lng=trlon;
                g.lat=bllat;
                transform_from_geo(projection_mg, &g, &sel.u.c_rect.rl);
                sel.range.min=type_none;
                sel.range.max=type_last;
                mr=map_rect_new(map, &sel);
                while ((item=map_rect_get_item(mr))) {
                        dbg(0,"item\n");
                }
                map_rect_destroy(mr);
        }
        
        dbg(0,"bbox=%s\n",wm->prefix);
        gui_internal_menu_render(this);
}

static void
gui_internal_cmd_map_download(struct gui_priv *this, struct widget *wm, void *data)
{
        struct attr on, off, download_enabled, download_disabled;
        struct widget *w,*wb,*wma;
        struct map *map=data;
        FILE *f;
        char *search,buffer[256];
        int found,sp_match=0;

        dbg(1,"wm=%p prefix=%s\n",wm,wm->prefix);

        search=wm->prefix;
        if (search) {
                found=0;
                while(search[sp_match] == ' ')
                        sp_match++;
                sp_match++;
        } else {
                found=1;
        }
        on.type=off.type=attr_active;
        on.u.num=1;
        off.u.num=0;
        wb=gui_internal_menu(this, wm->name?wm->name:_("Map Download"));
        w=gui_internal_box_new(this, gravity_top_center|orientation_vertical|flags_expand|flags_fill);
        w->spy=this->spacing*3;
        gui_internal_widget_append(wb, w);
        if (!search) {
                wma=gui_internal_button_map_attr_new(this, _("Active"), gravity_left_center|orientation_horizontal|flags_fill, map, &on, &off, 1);
                gui_internal_widget_append(w, wma);
        }

        download_enabled.type=download_disabled.type=attr_update;
        download_enabled.u.num=1;
        download_disabled.u.num=0;
        wma=gui_internal_button_map_attr_new(this
                , _("Download Enabled")
                , gravity_left_center|orientation_horizontal|flags_fill
                , map
                , &download_enabled
                , &download_disabled
                , 0);
        gui_internal_widget_append(w, wma);


        f=fopen("maps/areas.tsv","r");
        while (f && fgets(buffer, sizeof(buffer), f)) {
                char *nl,*description,*description_size,*bbox,*size=NULL;
                int sp=0;
                if ((nl=strchr(buffer,'\n')))
                        *nl='\0';
                if ((nl=strchr(buffer,'\r')))
                        *nl='\0';
                while(buffer[sp] == ' ')
                        sp++;
                if ((bbox=strchr(buffer,'\t')))
                        *bbox++='\0';
                if (bbox && (size=strchr(bbox,'\t'))) 
                        *size++='\0';
                if (search && !strcmp(buffer, search)) {
                        wma=gui_internal_button_new_with_callback(this, _("Download completely"), NULL, 
                                gravity_left_center|orientation_horizontal|flags_fill, gui_internal_cmd_map_download_do, map);
                        wma->name=g_strdup(buffer+sp);
                        wma->prefix=g_strdup(bbox);
                        gui_internal_widget_append(w, wma);
                        found=1;
                } else if (sp < sp_match)
                        found=0;
                if (sp == sp_match && found && buffer[sp]) {
                        description=g_strdup(buffer+sp);
                        if (size)
                                description_size=g_strdup_printf("%s (%s)",description,size);
                        else
                                description_size=g_strdup(description);
                        wma=gui_internal_button_new_with_callback(this, description_size, NULL, 
                                gravity_left_center|orientation_horizontal|flags_fill, gui_internal_cmd_map_download, map);
                        g_free(description_size);
                        wma->prefix=g_strdup(buffer);
                        wma->name=description;
                        gui_internal_widget_append(w, wma);
                }
        }
        
        gui_internal_menu_render(this);
}

static void
gui_internal_cmd2_setting_maps(struct gui_priv *this, char *function, struct attr **in, struct attr ***out, int *valid)
{
        struct attr attr, on, off, description, type, data, url, active;
        struct widget *w,*wb,*wma;
        char *label;
        struct attr_iter *iter;

        wb=gui_internal_menu(this, _("Maps"));
        w=gui_internal_box_new(this, gravity_top_center|orientation_vertical|flags_expand|flags_fill);
        w->spy=this->spacing*3;
        gui_internal_widget_append(wb, w);
        iter=navit_attr_iter_new();
        on.type=off.type=attr_active;
        on.u.num=1;
        off.u.num=0;
        while(navit_get_attr(this->nav, attr_map, &attr, iter)) {
                if (map_get_attr(attr.u.map, attr_description, &description, NULL)) {
                        label=g_strdup(description.u.str);
                } else {
                        if (!map_get_attr(attr.u.map, attr_type, &type, NULL))
                                type.u.str="";
                        if (!map_get_attr(attr.u.map, attr_data, &data, NULL))
                                data.u.str="";
                        label=g_strdup_printf("%s:%s", type.u.str, data.u.str);
                }
                if (map_get_attr(attr.u.map, attr_url, &url, NULL)) {
                        if (!map_get_attr(attr.u.map, attr_active, &active, NULL))
                                active.u.num=1;
                        wma=gui_internal_button_new_with_callback(this, label, image_new_xs(this, active.u.num ? "gui_active" : "gui_inactive"),
                        gravity_left_center|orientation_horizontal|flags_fill,
                        gui_internal_cmd_map_download, attr.u.map);
                } else {
                        wma=gui_internal_button_map_attr_new(this, label, gravity_left_center|orientation_horizontal|flags_fill,
                                attr.u.map, &on, &off, 1);
                }       
                gui_internal_widget_append(w, wma);
                g_free(label);
        }
        navit_attr_iter_destroy(iter);
        gui_internal_menu_render(this);

}
static void
gui_internal_cmd_set_active_vehicle(struct gui_priv *this, struct widget *wm, void *data)
{
        struct attr vehicle = {attr_vehicle,{wm->data}};
        navit_set_attr(this->nav, &vehicle);
}

static void
gui_internal_cmd_show_satellite_status(struct gui_priv *this, struct widget *wm, void *data)
{
        struct widget *w,*wb,*row;
        struct attr attr,sat_attr;
        struct vehicle *v=wm->data;
        char *str;
        int i;
        enum attr_type types[]={attr_sat_prn, attr_sat_elevation, attr_sat_azimuth, attr_sat_snr};

        wb=gui_internal_menu(this, _("Show Satellite Status"));
        gui_internal_menu_data(this)->redisplay=gui_internal_cmd_show_satellite_status;
        gui_internal_menu_data(this)->redisplay_widget=wm;
        w=gui_internal_box_new(this, gravity_top_center|orientation_vertical|flags_expand|flags_fill);
        gui_internal_widget_append(wb, w);
        w = gui_internal_widget_table_new(this,gravity_center | orientation_vertical | flags_expand | flags_fill, 0);
        row = gui_internal_widget_table_row_new(this,gravity_left_top);
        gui_internal_widget_append(row, gui_internal_label_new(this, " PRN "));
        gui_internal_widget_append(row, gui_internal_label_new(this, _(" Elevation ")));
        gui_internal_widget_append(row, gui_internal_label_new(this, _(" Azimuth ")));
        gui_internal_widget_append(row, gui_internal_label_new(this, " SNR "));
        gui_internal_widget_append(w,row);
        while (vehicle_get_attr(v, attr_position_sat_item, &attr, NULL)) {
                row = gui_internal_widget_table_row_new(this,gravity_left_top);
                for (i = 0 ; i < sizeof(types)/sizeof(enum attr_type) ; i++) {
                        if (item_attr_get(attr.u.item, types[i], &sat_attr))
                                str=g_strdup_printf("%ld", sat_attr.u.num);
                        else
                                str=g_strdup("");
                        gui_internal_widget_append(row, gui_internal_label_new(this, str));
                        g_free(str);
                }
                gui_internal_widget_append(w,row);
        }
        gui_internal_widget_append(wb, w);
        gui_internal_menu_render(this);
}

static void
gui_internal_cmd_show_nmea_data(struct gui_priv *this, struct widget *wm, void *data)
{
        struct widget *w,*wb;
        struct attr attr;
        struct vehicle *v=wm->data;
        wb=gui_internal_menu(this, _("Show NMEA Data"));
        gui_internal_menu_data(this)->redisplay=gui_internal_cmd_show_nmea_data;
        gui_internal_menu_data(this)->redisplay_widget=wm;
        w=gui_internal_box_new(this, gravity_top_center|orientation_vertical|flags_expand|flags_fill);
        gui_internal_widget_append(wb, w);
        if (vehicle_get_attr(v, attr_position_nmea, &attr, NULL))
                gui_internal_widget_append(w, gui_internal_text_new(this, attr.u.str, gravity_left_center|orientation_vertical));
        gui_internal_menu_render(this);
}

/**
 * A container to hold the selected vehicle and the desired profile in
 * one data item.
 */
struct vehicle_and_profilename {
        struct vehicle *vehicle;
        char *profilename;
};

/**
 * Figures out whether the given vehicle is the active vehicle.
 *
 * @return true if the vehicle is active, false otherwise.
 */
static int
gui_internal_is_active_vehicle(struct gui_priv *this, struct vehicle
        *vehicle)
{
        struct attr active_vehicle;

        if (!navit_get_attr(this->nav, attr_vehicle, &active_vehicle, NULL))
        active_vehicle.u.vehicle=NULL;

        return active_vehicle.u.vehicle == vehicle;
}

static void
save_vehicle_xml(struct vehicle *v)
{
        struct attr attr;
        struct attr_iter *iter=vehicle_attr_iter_new();
        int childs=0;
        dbg(0,"enter\n");
        printf("<vehicle");
        while (vehicle_get_attr(v, attr_any_xml, &attr, iter)) {
                if (ATTR_IS_OBJECT(attr.type))
                        childs=1;
                else
                        printf(" %s=\"%s\"",attr_to_name(attr.type),attr_to_text(&attr, NULL, 1));
        }
        if (childs) {
                printf(">\n");
                printf("</vehicle>\n");
        } else
                printf(" />\n");
        vehicle_attr_iter_destroy(iter);
}


/**
 * Reacts to a button press that changes a vehicle's active profile.
 *
 * @see gui_internal_add_vehicle_profile
 */
static void
gui_internal_cmd_set_active_profile(struct gui_priv *this, struct
                widget *wm, void *data)
{
        struct vehicle_and_profilename *vapn = data;
        struct vehicle *v = vapn->vehicle;
        char *profilename = vapn->profilename;
        struct attr vehicle_name_attr;
        char *vehicle_name = NULL;
        struct attr profilename_attr;

        // Get the vehicle name
        vehicle_get_attr(v, attr_name, &vehicle_name_attr, NULL);
        vehicle_name = vehicle_name_attr.u.str;

        dbg(0, "Changing vehicle %s to profile %s\n", vehicle_name,
                        profilename);

        // Change the profile name
        profilename_attr.type = attr_profilename;
        profilename_attr.u.str = profilename;
        if(!vehicle_set_attr(v, &profilename_attr)) {
                dbg(0, "Unable to set the vehicle's profile name\n");
        }

    // Notify Navit that the routing should be re-done if this is the
    // active vehicle.
        if (gui_internal_is_active_vehicle(this, v)) {
                struct attr vehicle;
                vehicle.type=attr_vehicle;
                vehicle.u.vehicle=v;
                navit_set_attr(this->nav, &vehicle);
        }
        save_vehicle_xml(v);
}

/**
 * Adds the vehicle profile to the GUI, allowing the user to pick a
 * profile for the currently selected vehicle.
 */
static void
gui_internal_add_vehicle_profile(struct gui_priv *this, struct widget
                *parent, struct vehicle *v, struct vehicleprofile *profile)
{
        // Just here to show up in the translation file, nice and close to
        // where the translations are actually used.
        struct attr profile_attr;
        struct attr *attr = NULL;
        char *name = NULL;
        char *active_profile = NULL;
        char *label = NULL;
        int active;
        struct vehicle_and_profilename *context = NULL;

#ifdef ONLY_FOR_TRANSLATION
        char *translations[] = {_n("car"), _n("bike"), _n("pedestrian")};
#endif

        // Figure out the profile name
        attr = attr_search(profile->attrs, NULL, attr_name);
        if (!attr) {
                dbg(0, "Adding vehicle profile failed. attr==NULL");
                return;
        }
        name = attr->u.str;

        // Determine whether the profile is the active one
        if (vehicle_get_attr(v, attr_profilename, &profile_attr, NULL))
                active_profile = profile_attr.u.str;
        active = active_profile != NULL && !strcmp(name, active_profile);

        dbg(0, "Adding vehicle profile %s, active=%s/%i\n", name,
                        active_profile, active);

        // Build a translatable label.
        if(active) {
                label = g_strdup_printf(_("Current profile: %s"), _(name));
        } else {
                label = g_strdup_printf(_("Change profile to: %s"), _(name));
        }

        // Create the context object (the vehicle and the desired profile)
        context = g_new0(struct vehicle_and_profilename, 1);
        context->vehicle = v;
        context->profilename = name;

        // Add the button
        gui_internal_widget_append(parent,
                gui_internal_button_new_with_callback(
                        this, label,
                        image_new_xs(this, active ? "gui_active" : "gui_inactive"),
                        gravity_left_center|orientation_horizontal|flags_fill,
                        gui_internal_cmd_set_active_profile, context));

        free(label);
}

static void
gui_internal_cmd_vehicle_settings(struct gui_priv *this, struct widget *wm, void *data)
{
        struct widget *w,*wb;
        struct attr attr;
        struct vehicle *v=wm->data;
    struct vehicleprofile *profile = NULL;
        GList *profiles;

        wb=gui_internal_menu(this, wm->text);
        w=gui_internal_box_new(this, gravity_top_center|orientation_vertical|flags_expand|flags_fill);
        gui_internal_widget_append(wb, w);

    // Add the "Set as active" button if this isn't the active
    // vehicle.
        if (!gui_internal_is_active_vehicle(this, v)) {
                gui_internal_widget_append(w,
                        gui_internal_button_new_with_callback(this, _("Set as active"),
                                image_new_xs(this, "gui_active"), gravity_left_center|orientation_horizontal|flags_fill,
                                gui_internal_cmd_set_active_vehicle, wm->data));
        }

        if (vehicle_get_attr(v, attr_position_sat_item, &attr, NULL)) {
                gui_internal_widget_append(w,
                        gui_internal_button_new_with_callback(this, _("Show Satellite status"),
                                image_new_xs(this, "gui_active"), gravity_left_center|orientation_horizontal|flags_fill,
                                gui_internal_cmd_show_satellite_status, wm->data));
        }
        if (vehicle_get_attr(v, attr_position_nmea, &attr, NULL)) {
                gui_internal_widget_append(w,
                        gui_internal_button_new_with_callback(this, _("Show NMEA data"),
                                image_new_xs(this, "gui_active"), gravity_left_center|orientation_horizontal|flags_fill,
                                gui_internal_cmd_show_nmea_data, wm->data));
        }

    // Add all the possible vehicle profiles to the menu
        profiles = navit_get_vehicleprofiles(this->nav);
    while(profiles) {
        profile = (struct vehicleprofile *)profiles->data;
        gui_internal_add_vehicle_profile(this, w, v, profile);
                profiles = g_list_next(profiles);
    }

        callback_list_call_attr_2(this->cbl, attr_vehicle, w, wm->data);
        gui_internal_menu_render(this);
}

static void
gui_internal_cmd2_setting_vehicle(struct gui_priv *this, char *function, struct attr **in, struct attr ***out, int *valid)
{
        struct attr attr,vattr;
        struct widget *w,*wb,*wl;
        struct attr_iter *iter;
        struct attr active_vehicle;


        wb=gui_internal_menu(this, _("Vehicle"));
        w=gui_internal_box_new(this, gravity_top_center|orientation_vertical|flags_expand|flags_fill);
        w->spy=this->spacing*3;
        gui_internal_widget_append(wb, w);
        if (!navit_get_attr(this->nav, attr_vehicle, &active_vehicle, NULL))
                active_vehicle.u.vehicle=NULL;
        iter=navit_attr_iter_new();
        while(navit_get_attr(this->nav, attr_vehicle, &attr, iter)) {
                vehicle_get_attr(attr.u.vehicle, attr_name, &vattr, NULL);
                wl=gui_internal_button_new_with_callback(this, vattr.u.str,
                        image_new_l(this, attr.u.vehicle == active_vehicle.u.vehicle ? "gui_active" : "gui_inactive"), gravity_left_center|orientation_horizontal|flags_fill,
                        gui_internal_cmd_vehicle_settings, attr.u.vehicle);
                wl->text=g_strdup(vattr.u.str);
                gui_internal_widget_append(w, wl);
        }
        navit_attr_iter_destroy(iter);
        gui_internal_menu_render(this);
}


static void
gui_internal_cmd2_setting_rules(struct gui_priv *this, char *function, struct attr **in, struct attr ***out, int *valid)
{
        struct widget *wb,*w;
        struct attr on,off;
        wb=gui_internal_menu(this, _("Rules"));
        w=gui_internal_box_new(this, gravity_top_center|orientation_vertical|flags_expand|flags_fill);
        w->spy=this->spacing*3;
        gui_internal_widget_append(wb, w);
        on.u.num=1;
        off.u.num=0;
        on.type=off.type=attr_tracking;
        gui_internal_widget_append(w,
                gui_internal_button_navit_attr_new(this, _("Lock on road"), gravity_left_center|orientation_horizontal|flags_fill,
                        &on, &off));
        on.u.num=0;
        off.u.num=-1;
        on.type=off.type=attr_orientation;
        gui_internal_widget_append(w,
                gui_internal_button_navit_attr_new(this, _("Northing"), gravity_left_center|orientation_horizontal|flags_fill,
                        &on, &off));
        on.u.num=1;
        off.u.num=0;
        on.type=off.type=attr_follow_cursor;
        gui_internal_widget_append(w,
                gui_internal_button_navit_attr_new(this, _("Map follows Vehicle"), gravity_left_center|orientation_horizontal|flags_fill,
                        &on, &off));
        gui_internal_menu_render(this);
}

//##############################################################################################################
//# Description:
//# Comment:
//# Authors: Martin Schaller (04/2008)
//##############################################################################################################
static void gui_internal_motion(void *data, struct point *p)
{

        struct gui_priv *this=data;
        if (!this->root.children) {
                navit_handle_motion(this->nav, p);
                return;
        }
        if (!this->pressed)
                return;
        this->current=*p;
        if(!this->motion_timeout_callback)
                this->motion_timeout_callback=callback_new_1(callback_cast(gui_internal_highlight), this);
        if(!this->motion_timeout_event)
                this->motion_timeout_event=event_add_timeout(100,0, this->motion_timeout_callback);
}

static const char *
find_attr(const char **names, const char **values, const char *name)
{
        while (*names) {
                if (!g_strcasecmp(*names, name))
                        return *values;
                names+=xml_attr_distance;
                values+=xml_attr_distance;
        }
        return NULL;
}

static char *
find_attr_dup(const char **names, const char **values, const char *name)
{
        return g_strdup(find_attr(names, values, name));
}

static void
gui_internal_evaluate(struct gui_priv *this, const char *command)
{
        if (command)
                command_evaluate(&this->self, command);
}


static void
gui_internal_html_command(struct gui_priv *this, struct widget *w, void *data)
{
        gui_internal_evaluate(this,w->command);
}

static void
gui_internal_html_submit_set(struct gui_priv *this, struct widget *w, struct form *form)
{
        GList *l;
        if (w->form == form && w->name) {
                struct attr *attr=attr_new_from_text(w->name, w->text?w->text:"");
                if (attr)
                        gui_set_attr(this->self.u.gui, attr);
                attr_free(attr);
        }
        l=w->children;
        while (l) {
                w=l->data;
                gui_internal_html_submit_set(this, w, form);
                l=g_list_next(l);
        }

}

static void
gui_internal_html_submit(struct gui_priv *this, struct widget *w, void *data)
{
        struct widget *menu;
        GList *l;

        dbg(1,"enter form %p %s\n",w->form,w->form->onsubmit);
        l=g_list_last(this->root.children);
        menu=l->data;
        graphics_draw_mode(this->gra, draw_mode_begin);
        gui_internal_highlight_do(this, NULL);
        gui_internal_menu_render(this);
        graphics_draw_mode(this->gra, draw_mode_end);
        gui_internal_html_submit_set(this, menu, w->form);
        gui_internal_evaluate(this,w->form->onsubmit);
}

static void
gui_internal_html_load_href(struct gui_priv *this, char *href, int replace)
{
        if (replace)
                gui_internal_prune_menu_count(this, 1, 0);
        if (href && href[0] == '#') {
                dbg(1,"href=%s\n",href);
                g_free(this->href);
                this->href=g_strdup(href);
                gui_internal_html_menu(this, this->html_text, href+1);
        }
}

static void
gui_internal_html_href(struct gui_priv *this, struct widget *w, void *data)
{
        gui_internal_html_load_href(this, w->command, 0);
}

struct div_flags_map {
        char *attr;
        char *val;
        enum flags flags;
} div_flags_map[] = {
        {"gravity","none",gravity_none},
        {"gravity","left",gravity_left},
        {"gravity","xcenter",gravity_xcenter},
        {"gravity","right",gravity_right},
        {"gravity","top",gravity_top},
        {"gravity","ycenter",gravity_ycenter},
        {"gravity","bottom",gravity_bottom},
        {"gravity","left_top",gravity_left_top},
        {"gravity","top_center",gravity_top_center},
        {"gravity","right_top",gravity_right_top},
        {"gravity","left_center",gravity_left_center},
        {"gravity","center",gravity_center},
        {"gravity","right_center",gravity_right_center},
        {"gravity","left_bottom",gravity_left_bottom},
        {"gravity","bottom_center",gravity_bottom_center},
        {"gravity","right_bottom",gravity_right_bottom},
        {"expand","1",flags_expand},
        {"fill","1",flags_fill},
        {"orientation","horizontal",orientation_horizontal},
        {"orientation","vertical",orientation_vertical},
        {"orientation","horizontal_vertical",orientation_horizontal_vertical},
};

static enum flags
div_flag(const char **names, const char **values, char *name)
{
        int i;
        enum flags ret=0;
        const char *value=find_attr(names, values, name);
        if (!value)
                return ret;
        for (i = 0 ; i < sizeof(div_flags_map)/sizeof(struct div_flags_map); i++) {
                if (!strcmp(div_flags_map[i].attr,name) && !strcmp(div_flags_map[i].val,value))
                        ret|=div_flags_map[i].flags;
        }
        return ret;
}

static enum flags
div_flags(const char **names, const char **values)
{
        enum flags flags;
        flags = div_flag(names, values, "gravity");
        flags |= div_flag(names, values, "orientation");
        flags |= div_flag(names, values, "expand");
        flags |= div_flag(names, values, "fill");
        return flags;
}

static struct widget *
html_image(struct gui_priv *this, const char **names, const char **values)
{
        const char *src, *size;
        struct graphics_image *img=NULL;

        src=find_attr(names, values, "src");
        if (!src)
                return NULL;
        size=find_attr(names, values, "size");
        if (!size)
                size="l";
        if (!strcmp(size,"l"))
                img=image_new_l(this, src);
        else if (!strcmp(size,"s"))
                img=image_new_s(this, src);
        else if (!strcmp(size,"xs"))
                img=image_new_xs(this, src);
        if (!img)
                return NULL;
        return gui_internal_image_new(this, img);
}

static void
gui_internal_html_start(void *dummy, const char *tag_name, const char **names, const char **values, void *data, void *error)
{
        struct gui_priv *this=data;
        int i;
        enum html_tag tag=html_tag_none;
        struct html *html=&this->html[this->html_depth];
        const char *cond, *type;

        if (!g_strcasecmp(tag_name,"text"))
                return;
        html->command=NULL;
        html->name=NULL;
        html->href=NULL;
        html->skip=0;
        cond=find_attr(names, values, "cond");

        if (cond && !this->html_skip) {
                if (!command_evaluate_to_boolean(&this->self, cond, NULL))
                        html->skip=1;
        }

        for (i=0 ; i < sizeof(html_tag_map)/sizeof(struct html_tag_map); i++) {
                if (!g_strcasecmp(html_tag_map[i].tag_name, tag_name)) {
                        tag=html_tag_map[i].tag;
                        break;
                }
        }
        html->tag=tag;
        if (!this->html_skip && !html->skip) {
                switch (tag) {
                case html_tag_a:
                        html->name=find_attr_dup(names, values, "name");
                        if (html->name) {
                                html->skip=this->html_anchor ? strcmp(html->name,this->html_anchor) : 0;
                                if (!html->skip)
                                        this->html_anchor_found=1;
                        }
                        html->command=find_attr_dup(names, values, "onclick");
                        html->href=find_attr_dup(names, values, "href");
                        html->refresh_cond=find_attr_dup(names, values, "refresh_cond");
                        break;
                case html_tag_img:
                        html->command=find_attr_dup(names, values, "onclick");
                        html->w=html_image(this, names, values);
                        break;
                case html_tag_form:
                        this->form=g_new0(struct form, 1);
                        this->form->onsubmit=find_attr_dup(names, values, "onsubmit");
                        break;
                case html_tag_input:
                        type=find_attr_dup(names, values, "type");
                        if (!type)
                                break;
                        if (!strcmp(type,"image")) {
                                html->w=html_image(this, names, values);
                                if (html->w) {
                                        html->w->state|=STATE_SENSITIVE;
                                        html->w->func=gui_internal_html_submit;
                                }
                        }
                        if (!strcmp(type,"text") || !strcmp(type,"password")) {
                                html->w=gui_internal_label_new(this, NULL);
                                html->w->background=this->background;
                                html->w->flags |= div_flags(names, values);
                                html->w->state|=STATE_EDITABLE;
                                if (!this->editable) {
                                        this->editable=html->w;
                                        html->w->state|=STATE_EDIT;
                                }
                                this->keyboard_required=1;
                                if (!strcmp(type,"password"))
                                        html->w->flags2 |= 1;
                        }
                        if (html->w) {
                                html->w->form=this->form;
                                html->w->name=find_attr_dup(names, values, "name");
                        }
                        break;
                case html_tag_div:
                        html->w=gui_internal_box_new(this, div_flags(names, values));
                        html->container=this->html_container;
                        this->html_container=html->w;
                        break;
                default:
                        break;
                }
        }
        this->html_skip+=html->skip;
        this->html_depth++;
}

static void
gui_internal_html_end(void *dummy, const char *tag_name, void *data, void *error)
{
        struct gui_priv *this=data;
        struct html *html;
        struct html *parent=NULL;

        if (!g_strcasecmp(tag_name,"text"))
                return;
        this->html_depth--;
        html=&this->html[this->html_depth];
        if (this->html_depth > 0)
                parent=&this->html[this->html_depth-1];


        if (!this->html_skip) {
                if (html->command && html->w) {
                        html->w->state |= STATE_SENSITIVE;
                        html->w->command=html->command;
                        html->w->func=gui_internal_html_command;
                        html->command=NULL;
                }
                if (parent && (parent->href || parent->command) && html->w) {
                        html->w->state |= STATE_SENSITIVE;
                        if (parent->command) {
                                html->w->command=g_strdup(parent->command);
                                html->w->func=gui_internal_html_command;
                        } else {
                                html->w->command=g_strdup(parent->href);
                                html->w->func=gui_internal_html_href;
                        }
                }
                switch (html->tag) {
                case html_tag_div:
                        this->html_container=html->container;
                case html_tag_img:
                case html_tag_input:
                        gui_internal_widget_append(this->html_container, html->w);
                        break;
                case html_tag_form:
                        this->form=NULL;
                        break;
                default:
                        break;
                }
        }
        this->html_skip-=html->skip;
        g_free(html->command);
        g_free(html->name);
        g_free(html->href);
        g_free(html->refresh_cond);
}

static void
gui_internal_refresh_callback_called(struct gui_priv *this, struct menu_data *menu_data)
{
        if (gui_internal_menu_data(this) == menu_data) {
                char *href=g_strdup(menu_data->href);
                gui_internal_html_load_href(this, href, 1);
                g_free(href);
        }
}

static void
gui_internal_set_refresh_callback(struct gui_priv *this, char *cond)
{
        dbg(0,"cond=%s\n",cond);
        if (cond) {
                enum attr_type type;
                struct object_func *func;
                struct menu_data *menu_data=gui_internal_menu_data(this);
                dbg(0,"navit=%p\n",this->nav);
                type=command_evaluate_to_attr(&this->self, cond, NULL, &menu_data->refresh_callback_obj);
                if (type == attr_none)
                        return;
                func=object_func_lookup(menu_data->refresh_callback_obj.type);
                if (!func || !func->add_attr)
                        return;
                menu_data->refresh_callback.type=attr_callback;
                menu_data->refresh_callback.u.callback=callback_new_attr_2(callback_cast(gui_internal_refresh_callback_called),type,this,menu_data);
                func->add_attr(menu_data->refresh_callback_obj.u.data, &menu_data->refresh_callback);
        }
}

static void
gui_internal_html_text(void *dummy, const char *text, int len, void *data, void *error)
{
        struct gui_priv *this=data;
        struct widget *w;
        int depth=this->html_depth-1;
        struct html *html=&this->html[depth];
        gchar *text_stripped;

        if (this->html_skip)
                return;
        while (isspace(text[0])) {
                text++;
                len--;
        }
        while (len > 0 && isspace(text[len-1]))
                len--;

        text_stripped = g_strndup(text, len);
        if (html->tag == html_tag_html && depth > 2) {
                if (this->html[depth-1].tag == html_tag_script) {
                        html=&this->html[depth-2];
                }
        }
        switch (html->tag) {
        case html_tag_a:
                if (html->name && len) {
                        this->html_container=gui_internal_box_new(this, gravity_center|orientation_horizontal_vertical|flags_expand|flags_fill);
                        gui_internal_widget_append(gui_internal_menu(this, gettext(text_stripped)), this->html_container);
                        gui_internal_menu_data(this)->href=g_strdup(this->href);
                        gui_internal_set_refresh_callback(this, html->refresh_cond);
                        this->html_container->spx=this->spacing*10;
                }
                break;
        case html_tag_h1:
                if (!this->html_container) {
                        this->html_container=gui_internal_box_new(this, gravity_center|orientation_horizontal_vertical|flags_expand|flags_fill);
                        gui_internal_widget_append(gui_internal_menu(this, gettext(text_stripped)), this->html_container);
                        this->html_container->spx=this->spacing*10;
                }
                break;
        case html_tag_img:
                if (len) {
                        w=gui_internal_box_new(this, gravity_center|orientation_vertical);
                        gui_internal_widget_append(w, html->w);
                        gui_internal_widget_append(w, gui_internal_text_new(this, gettext(text_stripped), gravity_center|orientation_vertical));
                        html->w=w;
                }
                break;
        case html_tag_div:
                if (len) {
                        gui_internal_widget_append(html->w, gui_internal_text_new(this, gettext(text_stripped), gravity_center|orientation_vertical));
                }
                break;
        case html_tag_script:
                dbg(1,"execute %s\n",text_stripped);
                gui_internal_evaluate(this,text_stripped);
                break;
        default:
                break;
        }
        g_free(text_stripped);
}

static void
gui_internal_html_menu(struct gui_priv *this, const char *document, char *anchor)
{
        char *doc=g_strdup(document);
        graphics_draw_mode(this->gra, draw_mode_begin);
        this->html_container=NULL;
        this->html_depth=0;
        this->html_anchor=anchor;
        this->html_anchor_found=0;
        this->form=NULL;
        this->keyboard_required=0;
        this->editable=NULL;
        callback_list_call_attr_2(this->cbl,attr_gui,anchor,&doc);
        xml_parse_text(doc, this, gui_internal_html_start, gui_internal_html_end, gui_internal_html_text);
        g_free(doc);
        if (this->keyboard_required && this->keyboard) {
                this->html_container->flags=gravity_center|orientation_vertical|flags_expand|flags_fill;
                gui_internal_widget_append(this->html_container, gui_internal_keyboard(this,2));
        }
        gui_internal_menu_render(this);
        graphics_draw_mode(this->gra, draw_mode_end);
}


static void
gui_internal_enter(struct gui_priv *this, int ignore)
{
        struct graphics *gra=this->gra;
        this->ignore_button=ignore;
        this->clickp_valid=this->vehicle_valid=0;

        navit_block(this->nav, 1);
        graphics_overlay_disable(gra, 1);
        this->root.p.x=0;
        this->root.p.y=0;
        this->root.background=this->background;
}

static void
gui_internal_leave(struct gui_priv *this)
{
        graphics_draw_mode(this->gra, draw_mode_end);
}

static void
gui_internal_enter_setup(struct gui_priv *this, struct point *p)
{
        struct transformation *trans;
        struct coord c;
        struct coord_geo g;
        struct attr attr,attrp;

        trans=navit_get_trans(this->nav);
        attr_free(this->click_coord_geo);
        this->click_coord_geo=NULL;
        attr_free(this->position_coord_geo);
        this->position_coord_geo=NULL;
        if (p) {
                transform_reverse(trans, p, &c);
                dbg(1,"x=0x%x y=0x%x\n", c.x, c.y);
                this->clickp.pro=transform_get_projection(trans);
                this->clickp.x=c.x;
                this->clickp.y=c.y;
                transform_to_geo(this->clickp.pro, &c, &g);
                attr.u.coord_geo=&g;
                attr.type=attr_click_coord_geo;
                this->click_coord_geo=attr_dup(&attr);
        }
        if (navit_get_attr(this->nav, attr_vehicle, &attr, NULL) && attr.u.vehicle
                && vehicle_get_attr(attr.u.vehicle, attr_position_coord_geo, &attrp, NULL)) {
                this->position_coord_geo=attr_dup(&attrp);
                this->vehiclep.pro=transform_get_projection(trans);
                transform_from_geo(this->vehiclep.pro, attrp.u.coord_geo, &c);
                this->vehiclep.x=c.x;
                this->vehiclep.y=c.y;
                this->vehicle_valid=1;
        }
}

static void
gui_internal_cmd_menu(struct gui_priv *this, struct point *p, int ignore, char *href)
{
        dbg(1,"enter\n");
        gui_internal_enter(this, ignore);
        gui_internal_enter_setup(this, p);
        // draw menu
        gui_internal_html_load_href(this, href?href:"#Main Menu", 0);
}

static void
gui_internal_cmd_menu2(struct gui_priv *this, char *function, struct attr **in, struct attr ***out, int *valid)
{
        char *href=NULL;
        int replace=0;
        if (in && in[0] && ATTR_IS_STRING(in[0]->type)) {
                href=in[0]->u.str;
                if (in[1] && ATTR_IS_INT(in[1]->type))
                        replace=in[1]->u.num;
        }
        if (this->root.children) {
                if (!href)
                        return;
                gui_internal_html_load_href(this, href, replace);
                return;
        }
        gui_internal_cmd_menu(this, NULL, 0, href);
}


static void
gui_internal_cmd_log_do(struct gui_priv *this, struct widget *widget)
{
        if (widget->text && strlen(widget->text)) {
                if (this->vehicle_valid)
                        navit_textfile_debug_log_at(this->nav, &this->vehiclep, "type=log_entry label=\"%s\"",widget->text);
                else
                        navit_textfile_debug_log(this->nav, "type=log_entry label=\"%s\"",widget->text);
        }
        g_free(widget->text);
        widget->text=NULL;
        gui_internal_prune_menu(this, NULL);
        gui_internal_check_exit(this);
}

static void
gui_internal_cmd_log_clicked(struct gui_priv *this, struct widget *widget, void *data)
{
        gui_internal_cmd_log_do(this, widget->data);
}

static void
gui_internal_cmd_log_changed(struct gui_priv *this, struct widget *wm, void *data)
{
        int len;
        if (wm->text) {
                len=strlen(wm->text);
                if (len && (wm->text[len-1] == '\n' || wm->text[len-1] == '\r')) {
                        wm->text[len-1]='\0';
                        gui_internal_cmd_log_do(this, wm);
                }
        }
}


static void
gui_internal_cmd_log(struct gui_priv *this)
{
        struct widget *w,*wb,*wk,*wl,*we,*wnext;
        gui_internal_enter(this, 1);
        gui_internal_enter_setup(this, NULL);
        wb=gui_internal_menu(this, "Log Message");
        w=gui_internal_box_new(this, gravity_left_top|orientation_vertical|flags_expand|flags_fill);
        gui_internal_widget_append(wb, w);
        we=gui_internal_box_new(this, gravity_left_center|orientation_horizontal|flags_fill);
        gui_internal_widget_append(w, we);
        gui_internal_widget_append(we, wk=gui_internal_label_new(this, _("Message")));
        wk->state |= STATE_EDIT|STATE_EDITABLE|STATE_CLEAR;
        wk->background=this->background;
        wk->flags |= flags_expand|flags_fill;
        wk->func = gui_internal_cmd_log_changed;
        gui_internal_widget_append(we, wnext=gui_internal_image_new(this, image_new_xs(this, "gui_active")));
        wnext->state |= STATE_SENSITIVE;
        wnext->func = gui_internal_cmd_log_clicked;
        wnext->data=wk;
        wl=gui_internal_box_new(this, gravity_left_top|orientation_vertical|flags_expand|flags_fill);
        gui_internal_widget_append(w, wl);
        if (this->keyboard)
                gui_internal_widget_append(w, gui_internal_keyboard(this,2));
        gui_internal_menu_render(this);
        gui_internal_leave(this);
}

static void
gui_internal_check_exit(struct gui_priv *this)
{
        struct graphics *gra=this->gra;
        if (! this->root.children) {
                gui_internal_search_idle_end(this);
                gui_internal_search_list_destroy(this);
                graphics_overlay_disable(gra, 0);
                if (!navit_block(this->nav, 0)) {
                        if (this->redraw)
                                navit_draw(this->nav);
                        else
                                navit_draw_displaylist(this->nav);
                }
        }
}

static int
gui_internal_get_attr(struct gui_priv *this, enum attr_type type, struct attr *attr)
{
        switch (type) {
        case attr_active:
                attr->u.num=this->root.children != NULL;
                break;
        case attr_click_coord_geo:
                if (!this->click_coord_geo)
                        return 0;
                *attr=*this->click_coord_geo;
                break;
        case attr_position_coord_geo:
                if (!this->position_coord_geo)
                        return 0;
                *attr=*this->position_coord_geo;
                break;
        case attr_pitch:
                attr->u.num=this->pitch;
                break;
        default:
                return 0;
        }
        attr->type=type;
        return 1;
}

static int
gui_internal_add_attr(struct gui_priv *this, struct attr *attr)
{
        switch (attr->type) {
        case attr_xml_text:
                g_free(this->html_text);
                this->html_text=g_strdup(attr->u.str);
                return 1;
        default:
                return 0;
        }
}

static int
gui_internal_set_attr(struct gui_priv *this, struct attr *attr)
{
        switch (attr->type) {
        case attr_fullscreen:
                if ((this->fullscreen > 0) != (attr->u.num > 0)) {
                        graphics_draw_mode(this->gra, draw_mode_end);
                        this->win->fullscreen(this->win, attr->u.num > 0);
                        graphics_draw_mode(this->gra, draw_mode_begin);
                }
                this->fullscreen=attr->u.num;
                return 1;
        case attr_menu_on_map_click:
                this->menu_on_map_click=attr->u.num;
                return 1;
        default:
                dbg(0,"%s\n",attr_to_name(attr->type));
                return 1;
        }
}

static void gui_internal_dbus_signal(struct gui_priv *this, struct point *p)
{
        struct displaylist_handle *dlh;
        struct displaylist *display;
        struct displayitem *di;
        struct attr cb,**attr_list=NULL;
        int valid=0;

        display=navit_get_displaylist(this->nav);
        dlh=graphics_displaylist_open(display);
        while ((di=graphics_displaylist_next(dlh))) {
                struct item *item=graphics_displayitem_get_item(di);
                if (item_is_point(*item) && graphics_displayitem_get_displayed(di) &&
                        graphics_displayitem_within_dist(display, di, p, this->radius)) {
                        struct map_rect *mr=map_rect_new(item->map, NULL);
                        struct item *itemo=map_rect_get_item_byid(mr, item->id_hi, item->id_lo);
                        struct attr attr;
                        if (itemo && item_attr_get(itemo, attr_data, &attr))
                                attr_list=attr_generic_add_attr(attr_list, &attr);
                        map_rect_destroy(mr);
                }
        }
        graphics_displaylist_close(dlh);
        if (attr_list && navit_get_attr(this->nav, attr_callback_list, &cb, NULL))
                callback_list_call_attr_4(cb.u.callback_list, attr_command, "dbus_send_signal", attr_list, NULL, &valid);
        attr_list_free(attr_list);
}

// static int allow_gui_internal;

//##############################################################################################################
//# Description: Function to handle mouse clicks and scroll wheel movement
//# Comment:
//# Authors: Martin Schaller (04/2008), Stefan Klumpp (04/2008)
//##############################################################################################################
static void gui_internal_button(void *data, int pressed, int button, struct point *p)
{
        struct gui_priv *this=data;
        struct graphics *gra=this->gra;

        //dbg(0,"enter @@@@@@@@@@@@@@@@@@@@ %d %d\n", pressed, button);
        // if still on the map (not in the menu, yet):
        //dbg(0,"children=%p ignore_button=%d\n",this->root.children,this->ignore_button);
        if (!this->root.children || this->ignore_button)
        {

                this->ignore_button=0;
                // check whether the position of the mouse changed during press/release OR if it is the scrollwheel
                if (!navit_handle_button(this->nav, pressed, button, p, NULL))
                {
                        //dbg(0,"navit has handled button\n");
                        return;
                }
                //dbg(0,"menu_on_map_click=%d\n",this->menu_on_map_click);
                if (button != 1)
                        return;
                if (this->menu_on_map_click)
                {
                        if (allow_gui_internal == 1)
                        {
                                //dbg(0,"@@@@@@@ enter GUI internal!!\n");
                                gui_internal_cmd_menu(this, p, 0, NULL);
                        }
                        else
                        {
                                //dbg(0,"+++++++ GUI internal DISABLED!!\n");
                        }
                        return;
                }
                if (this->signal_on_map_click)
                {
                        gui_internal_dbus_signal(this, p);
                        return;
                }
                return;
        }


        // if already in the menu:
        if (pressed) {
                this->pressed=1;
                this->current=*p;
                gui_internal_highlight(this);
        } else {
                this->pressed=0;
                this->current.x=-1;
                this->current.y=-1;
                graphics_draw_mode(gra, draw_mode_begin);
                gui_internal_call_highlighted(this);
                if (!event_main_loop_has_quit()) {
                        gui_internal_highlight(this);
                        graphics_draw_mode(gra, draw_mode_end);
                        gui_internal_check_exit(this);
                }
        }
}

static void
gui_internal_setup_gc(struct gui_priv *this)
{
        struct color cbh={0x9fff,0x9fff,0x9fff,0xffff};
        struct color cf={0xbfff,0xbfff,0xbfff,0xffff};
        struct graphics *gra=this->gra;

        if (this->background)
                return;
        this->background=graphics_gc_new(gra);
        this->background2=graphics_gc_new(gra);
        this->highlight_background=graphics_gc_new(gra);
        graphics_gc_set_foreground(this->highlight_background, &cbh);
        this->foreground=graphics_gc_new(gra);
        graphics_gc_set_foreground(this->foreground, &cf);
        this->text_background=graphics_gc_new(gra);
        this->text_foreground=graphics_gc_new(gra);
        graphics_gc_set_foreground(this->background, &this->background_color);
        graphics_gc_set_foreground(this->background2, &this->background2_color);
        graphics_gc_set_foreground(this->text_background, &this->text_background_color);
        graphics_gc_set_foreground(this->text_foreground, &this->text_foreground_color);
}

//##############################################################################################################
//# Description:
//# Comment:
//# Authors: Martin Schaller (04/2008)
//##############################################################################################################
static void gui_internal_resize(void *data, int w, int h)
{
        struct gui_priv *this=data;
        int changed=0;

        gui_internal_setup_gc(this);

        if (this->root.w != w || this->root.h != h) {
                this->root.w=w;
                this->root.h=h;
                changed=1;
        }
        dbg(1,"w=%d h=%d children=%p\n", w, h, this->root.children);
        navit_handle_resize(this->nav, w, h);
        if (this->root.children) {
                if (changed) {
                        gui_internal_prune_menu(this, NULL);
                        gui_internal_html_load_href(this, "#Main Menu", 0);
                } else {
                        gui_internal_menu_render(this);
                }
        }
}

static void
gui_internal_keynav_point(struct widget *w, int dx, int dy, struct point *p)
{
        p->x=w->p.x+w->w/2;
        p->y=w->p.y+w->h/2;
        if (dx < 0)
                p->x=w->p.x;
        if (dx > 0)
                p->x=w->p.x+w->w;
        if (dy < 0)
                p->y=w->p.y;
        if (dy > 0)
                p->y=w->p.y+w->h;
}

static void
gui_internal_keynav_find_closest(struct widget *wi, struct point *p, int dx, int dy, int *distance, struct widget **result)
{
        GList *l=wi->children;
        // Skip hidden elements
        if (wi->p.x==0 && wi->p.y==0 && wi->w==0 && wi->h==0)
                return;
        if ((wi->state & STATE_SENSITIVE) ) {
                int dist1,dist2;
                struct point wp;
                gui_internal_keynav_point(wi, -dx, -dy, &wp);
                if (dx) {
                        dist1=(wp.x-p->x)*dx;
                        dist2=wp.y-p->y;
                } else if (dy) {
                        dist1=(wp.y-p->y)*dy;
                        dist2=wp.x-p->x;
                } else {
                        dist2=wp.x-p->x;
                        dist1=wp.y-p->y;
                        if (dist1 < 0)
                                dist1=-dist1;
                }
                dbg(1,"checking %d,%d %d %d against %d,%d-%d,%d result %d,%d\n", p->x, p->y, dx, dy, wi->p.x, wi->p.y, wi->p.x+wi->w, wi->p.y+wi->h, dist1, dist2);
                if (dist1 >= 0) {
                        if (dist2 < 0)
                                dist1-=dist2;
                        else
                                dist1+=dist2;
                        if (dist1 < *distance) {
                                *result=wi;
                                *distance=dist1;
                        }
                }
        }
        while (l) {
                struct widget *child=l->data;
                gui_internal_keynav_find_closest(child, p, dx, dy, distance, result);
                l=g_list_next(l);
        }
}

static void
gui_internal_keynav_highlight_next(struct gui_priv *this, int dx, int dy)
{
        struct widget *result,*menu=g_list_last(this->root.children)->data;
        struct point p;
        int distance;
        if (this->highlighted && this->highlighted_menu == g_list_last(this->root.children)->data)
                gui_internal_keynav_point(this->highlighted, dx, dy, &p);
        else {
                p.x=0;
                p.y=0;
                distance=INT_MAX;
                result=NULL;
                gui_internal_keynav_find_closest(menu, &p, 0, 0, &distance, &result);
                if (result) {
                        gui_internal_keynav_point(result, dx, dy, &p);
                        dbg(1,"result origin=%p p=%d,%d\n", result, p.x, p.y);
                }
        }
        result=NULL;
        distance=INT_MAX;
        gui_internal_keynav_find_closest(menu, &p, dx, dy, &distance, &result);
        dbg(1,"result=%p\n", result);
        if (! result) {
                if (dx < 0)
                        p.x=this->root.w;
                if (dx > 0)
                        p.x=0;
                if (dy < 0)
                        p.y=this->root.h;
                if (dy > 0)
                        p.y=0;
                result=NULL;
                distance=INT_MAX;
                gui_internal_keynav_find_closest(menu, &p, dx, dy, &distance, &result);
                dbg(1,"wraparound result=%p\n", result);
        }
        gui_internal_highlight_do(this, result);
        if (result)
                gui_internal_say(this, result, 1);
}

//##############################################################################################################
//# Description:
//# Comment:
//# Authors: Martin Schaller (04/2008)
//##############################################################################################################
static void gui_internal_keypress(void *data, char *key)
{
        struct gui_priv *this=data;
        int w,h;
        struct point p;
        if (!this->root.children) {
                transform_get_size(navit_get_trans(this->nav), &w, &h);
                switch (*key) {
                case NAVIT_KEY_UP:
                        p.x=w/2;
                        p.y=0;
                        navit_set_center_screen(this->nav, &p, 1);
                        break;
                case NAVIT_KEY_DOWN:
                        p.x=w/2;
                        p.y=h;
                        navit_set_center_screen(this->nav, &p, 1);
                        break;
                case NAVIT_KEY_LEFT:
                        p.x=0;
                        p.y=h/2;
                        navit_set_center_screen(this->nav, &p, 1);
                        break;
                case NAVIT_KEY_RIGHT:
                        p.x=w;
                        p.y=h/2;
                        navit_set_center_screen(this->nav, &p, 1);
                        break;
                case NAVIT_KEY_ZOOM_IN:
                        navit_zoom_in(this->nav, 2, NULL);
                        break;
                case NAVIT_KEY_ZOOM_OUT:
                        navit_zoom_out(this->nav, 2, NULL);
                        break;
                case NAVIT_KEY_RETURN:
                case NAVIT_KEY_MENU:
                        gui_internal_cmd_menu(this, NULL, 0, NULL);
                        break;
                }
                return;
        }
        graphics_draw_mode(this->gra, draw_mode_begin);
        switch (*key) {
        case NAVIT_KEY_LEFT:
                gui_internal_keynav_highlight_next(this,-1,0);
                break;
        case NAVIT_KEY_RIGHT:
                gui_internal_keynav_highlight_next(this,1,0);
                break;
        case NAVIT_KEY_UP:
                gui_internal_keynav_highlight_next(this,0,-1);
                break;
        case NAVIT_KEY_DOWN:
                gui_internal_keynav_highlight_next(this,0,1);
                break;
        case NAVIT_KEY_BACK:
                if (g_list_length(this->root.children) > 1)
                        gui_internal_back(this, NULL, NULL);
                else
                        gui_internal_prune_menu(this, NULL);
                break;
        case NAVIT_KEY_RETURN:
                if (this->highlighted && this->highlighted_menu == g_list_last(this->root.children)->data)
                        gui_internal_call_highlighted(this);
                else
                        gui_internal_keypress_do(this, key);
                break;
        default:
                gui_internal_keypress_do(this, key);
        }
        if (!event_main_loop_has_quit()) {
                graphics_draw_mode(this->gra, draw_mode_end);
                gui_internal_check_exit(this);
        }
}


//##############################################################################################################
//# Description:
//# Comment:
//# Authors: Martin Schaller (04/2008)
//##############################################################################################################
static int gui_internal_set_graphics(struct gui_priv *this, struct graphics *gra)
{
        struct window *win;
        struct transformation *trans=navit_get_trans(this->nav);

        win=graphics_get_data(gra, "window");
        if (! win)
                return 1;
        navit_ignore_graphics_events(this->nav, 1);
        this->gra=gra;
        this->win=win;
        navit_ignore_graphics_events(this->nav, 1);
        transform_get_size(trans, &this->root.w, &this->root.h);
        this->resize_cb=callback_new_attr_1(callback_cast(gui_internal_resize), attr_resize, this);
        graphics_add_callback(gra, this->resize_cb);
        this->button_cb=callback_new_attr_1(callback_cast(gui_internal_button), attr_button, this);
        graphics_add_callback(gra, this->button_cb);
        this->motion_cb=callback_new_attr_1(callback_cast(gui_internal_motion), attr_motion, this);
        graphics_add_callback(gra, this->motion_cb);
        this->keypress_cb=callback_new_attr_1(callback_cast(gui_internal_keypress), attr_keypress, this);
        graphics_add_callback(gra, this->keypress_cb);
        this->window_closed_cb=callback_new_attr_1(callback_cast(gui_internal_window_closed), attr_window_closed, this);
        graphics_add_callback(gra, this->window_closed_cb);

        // set fullscreen if needed
        if (this->fullscreen)
                this->win->fullscreen(this->win, this->fullscreen != 0);
        /* Was resize callback already issued? */
        if (navit_get_ready(this->nav) & 2)
                gui_internal_setup_gc(this);
        return 0;
}

static void gui_internal_disable_suspend(struct gui_priv *this)
{
        if (this->win->disable_suspend)
                this->win->disable_suspend(this->win);
}

//##############################################################################################################
//# Description:
//# Comment:
//# Authors: Martin Schaller (04/2008)
//##############################################################################################################
struct gui_methods gui_internal_methods = {
        NULL,
        NULL,
        gui_internal_set_graphics,
        NULL,
        NULL,
        NULL,
        gui_internal_disable_suspend,
        gui_internal_get_attr,
        gui_internal_add_attr,
        gui_internal_set_attr,
};

        static void
gui_internal_get_data(struct gui_priv *priv, char *command, struct attr **in, struct attr ***out)
{
        struct attr private_data = { attr_private_data, {(void *)&priv->data}};
        if (out)
                *out=attr_generic_add_attr(*out, &private_data);
}

static void
gui_internal_add_callback(struct gui_priv *priv, struct callback *cb)
{
        callback_list_add(priv->cbl, cb);
}

static void
gui_internal_remove_callback(struct gui_priv *priv, struct callback *cb)
{
        callback_list_remove(priv->cbl, cb);
}


static struct gui_internal_methods gui_internal_methods_ext = {
        gui_internal_add_callback,
        gui_internal_remove_callback,
        gui_internal_menu_render,
        image_new_xs,
        image_new_l,
};


static enum flags
gui_internal_get_flags(struct widget *widget)
{
        return widget->flags;
}

static void
gui_internal_set_flags(struct widget *widget, enum flags flags)
{
        widget->flags=flags;
}

static int
gui_internal_get_state(struct widget *widget)
{
        return widget->state;
}

static void
gui_internal_set_state(struct widget *widget, int state)
{
        widget->state=state;
}

static void
gui_internal_set_func(struct widget *widget, void (*func)(struct gui_priv *priv, struct widget *widget, void *data))
{
        widget->func=func;
}

static void
gui_internal_set_data(struct widget *widget, void *data)
{
        widget->data=data;
}

static void
gui_internal_set_default_background(struct gui_priv *this, struct widget *widget)
{
        widget->background=this->background;
}

static struct gui_internal_widget_methods gui_internal_widget_methods = {
        gui_internal_widget_append,
        gui_internal_button_new,
        gui_internal_button_new_with_callback,
        gui_internal_box_new,
        gui_internal_label_new,
        gui_internal_image_new,
        gui_internal_keyboard,
        gui_internal_menu,
        gui_internal_get_flags,
        gui_internal_set_flags,
        gui_internal_get_state,
        gui_internal_set_state,
        gui_internal_set_func,
        gui_internal_set_data,
        gui_internal_set_default_background,
};

static void
gui_internal_cmd_write(struct gui_priv * this, char *function, struct attr **in, struct attr ***out, int *valid)
{
        char *str=NULL,*str2=NULL;
        dbg(1,"enter %s %p %p %p\n",function,in,out,valid);
        if (!in || !in[0])
                return;
        dbg(1,"%s\n",attr_to_name(in[0]->type));
        if (ATTR_IS_STRING(in[0]->type)) {
                str=in[0]->u.str;
        }
        if (ATTR_IS_COORD_GEO(in[0]->type)) {
                str=str2=coordinates_geo(in[0]->u.coord_geo, '\n');
        }
        if (str) {
                str=g_strdup_printf("<html>%s</html>\n",str);
                xml_parse_text(str, this, gui_internal_html_start, gui_internal_html_end, gui_internal_html_text);
        }
        g_free(str);
        g_free(str2);
}


/**
 * @brief Creates a new table widget.
 *
 * Creates and returns a new table widget.  This function will
 * setup next/previous buttons as children.
 *
 * @param this The graphics context.
 * @param flags widget sizing flags.
 * @returns The newly created widget
 */
struct widget * gui_internal_widget_table_new(struct gui_priv * this, enum flags flags, int buttons)
{
        struct widget * widget = g_new0(struct widget,1);
        struct table_data * data = NULL;
        widget->type=widget_table;
        widget->flags=flags;
        widget->data = g_new0(struct table_data,1);
        widget->data_free=gui_internal_table_data_free;

        // We have to set background here explicitly
        // because it will be used by inner elements created later in this 
        // function (navigation buttons). Else that elements won't have
        // any background.
        widget->background=this->background;
        data = (struct table_data*)widget->data;

        if (buttons) {
        data->next_button = gui_internal_button_new_with_callback
                (this,"Next",image_new_xs(this, "gui_arrow_right") ,
                 gravity_center  |orientation_vertical,
                 gui_internal_table_button_next,NULL);
        data->next_button->data=widget;


        data->prev_button =  gui_internal_button_new_with_callback
                (this,"Prev",
                 image_new_xs(this, "gui_arrow_left")
                 ,gravity_center |orientation_vertical,
                 gui_internal_table_button_prev,NULL);

        data->prev_button->data=widget;

        data->this=this;

        data->button_box=gui_internal_box_new(this,
                                              gravity_center|orientation_horizontal);
        gui_internal_widget_append(widget, data->button_box);
        gui_internal_widget_append(data->button_box, data->prev_button);
        gui_internal_widget_append(data->button_box, data->next_button);

        data->button_box->bl=this->spacing;
        gui_internal_widget_pack(this,data->button_box);
        }

        return widget;

}

/**
 * @brief Clears all the rows from the table.
 * This function removes all rows from a table.
 * New rows can later be added to the table.
 */
void gui_internal_widget_table_clear(struct gui_priv * this,struct widget * table)
{
  GList * iter;
  struct table_data * table_data = (struct table_data* ) table->data;

  iter = table->children;
  while(iter ) {
          if(iter->data != table_data->button_box) {
                  struct widget * child = (struct widget*)iter->data;
                  gui_internal_widget_destroy(this,child);
                  if(table->children == iter) {
                          table->children = g_list_remove(iter,iter->data);
                          iter=table->children;
                  }
                  else
                          iter = g_list_remove(iter,iter->data);
          }
          else {
                  iter = g_list_next(iter);
          }

  }
  table_data->top_row=NULL;
  table_data->bottom_row=NULL;
  if(table_data->page_headers)
          g_list_free(table_data->page_headers);
  table_data->page_headers=NULL;
}


/**
 * Creates a new table_row widget.
 * @param this The graphics context
 * @param flags Sizing flags for the row
 * @returns The new table_row widget.
 */
struct widget * gui_internal_widget_table_row_new(struct gui_priv * this, enum flags flags)
{
        struct widget * widget = g_new0(struct widget,1);
        widget->type=widget_table_row;
        widget->flags=flags;
        return widget;
}


/**
 * @brief Computes the column dimensions for the table.
 *
 * @param w The table widget to compute dimensions for.
 *
 * This function examines all of the rows and columns for the table w
 * and returns a list (GList) of table_column_desc elements that
 * describe each column of the table.
 *
 * The caller is responsible for freeing the returned list.
 */
static GList * gui_internal_compute_table_dimensions(struct gui_priv * this,struct widget * w)
{

        GList * column_desc = NULL;
        GList * current_desc=NULL;
        GList * cur_row = w->children;
        struct widget * cur_row_widget=NULL;
        GList * cur_column=NULL;
        struct widget * cell_w=NULL;
        struct table_column_desc * current_cell=NULL;
        struct table_data * table_data=NULL;
        int height=0;
        int width=0;
        int total_width=0;
        int column_count=0;

        /**
         * Scroll through the the table and
         * 1. Compute the maximum width + height of each column across all rows.
         */
        table_data = (struct table_data*) w->data;
        for(cur_row=w->children;  cur_row ; cur_row = g_list_next(cur_row) )
        {
                cur_row_widget = (struct widget*) cur_row->data;
                current_desc = column_desc;
                if(cur_row_widget == table_data->button_box)
                {
                        continue;
                }
                column_count=0;
                for(cur_column = cur_row_widget->children; cur_column;
                    cur_column=g_list_next(cur_column))
                {
                        cell_w = (struct widget*) cur_column->data;
                        gui_internal_widget_pack(this,cell_w);
                        if(current_desc == 0)
                        {
                                current_cell = g_new0(struct table_column_desc,1);
                                column_desc = g_list_append(column_desc,current_cell);
                                current_desc = g_list_last(column_desc);
                                current_cell->height=cell_w->h;
                                current_cell->width=cell_w->w;
                                total_width+=cell_w->w;

                        }
                        else
                        {
                                current_cell = current_desc->data;
                                height = cell_w->h;
                                width = cell_w->w;
                                if(current_cell->height < height )
                                {
                                        current_cell->height = height;
                                }
                                if(current_cell->width < width)
                                {
                                        total_width += (width-current_cell->width);
                                        current_cell->width = width;


                                }
                                current_desc = g_list_next(current_desc);
                        }
                        column_count++;

                }/* column loop */

        } /*row loop */


        /**
         * If the width of all columns is less than the width off
         * the table expand each cell proportionally.
         *
         */
        if(total_width+(this->spacing*column_count) < w->w ) {
                for(current_desc=column_desc; current_desc; current_desc=g_list_next(current_desc)) {
                        current_cell = (struct table_column_desc*) current_desc->data;
                        current_cell->width= ( (current_cell->width+this->spacing)/(float)total_width) * w->w ;
                }
        }

        return column_desc;
}


/**
 * @brief Computes the height and width for the table.
 *
 * The height and widht are computed to display all cells in the table
 * at the requested height/width.
 *
 * @param this The graphics context
 * @param w The widget to pack.
 *
 */
void gui_internal_table_pack(struct gui_priv * this, struct widget * w)
{

        int height=0;
        int width=0;
        int count=0;
        GList * column_data = gui_internal_compute_table_dimensions(this,w);
        GList * current=0;
        struct table_column_desc * cell_desc=0;
        struct table_data * table_data = (struct table_data*)w->data;

        for(current = column_data; current; current=g_list_next(current))
        {
                if(table_data->button_box == current->data )
                {
                        continue;
                }
                cell_desc = (struct table_column_desc *) current->data;
                width = width + cell_desc->width + this->spacing;
                if(height < cell_desc->height)
                {
                        height = cell_desc->height ;
                }
        }


        for(current=w->children; current; current=g_list_next(current))
        {
                if(current->data!= table_data->button_box)
                {
                        count++;
                }
        }
        if (table_data->button_box)
                gui_internal_widget_pack(this,table_data->button_box);


        if(w->h + w->c.y   > this->root.h   )
        {
                /**
                 * Do not allow the widget to exceed the screen.
                 *
                 */
                w->h = this->root.h- w->c.y  - height;
        }
        w->w = width;

        /**
         * Deallocate column descriptions.
         */
        current = column_data;
        while( (current = g_list_last(current)) )
        {
                current = g_list_remove(current,current->data);
        }

}

/**
 * @brief Invalidates coordinates for previosly rendered table widget rows.
 *
 * @param table_data Data from the table object.
 */
void gui_internal_table_hide_rows(struct table_data * table_data)
{
        GList*cur_row;
        for(cur_row=table_data->top_row; cur_row ; cur_row = g_list_next(cur_row))
        {
                struct widget * cur_row_widget = (struct widget*)cur_row->data;
                if (cur_row_widget->type!=widget_table_row)
                        continue;
                cur_row_widget->p.x=0;
                cur_row_widget->p.y=0;
                cur_row_widget->w=0;
                cur_row_widget->h=0;
                if(cur_row==table_data->bottom_row)
                        break;
        }
}

/**
 * @brief Renders a table widget.
 *
 * @param this The graphics context
 * @param w The table widget to render.
 */
void gui_internal_table_render(struct gui_priv * this, struct widget * w)
{

        int x;
        int y;
        GList * column_desc=NULL;
        GList * cur_row = NULL;
        GList * current_desc=NULL;
        struct table_data * table_data = (struct table_data*)w->data;
        int is_skipped=0;
        int is_first_page=1;
        struct table_column_desc * dim=NULL;

        dbg_assert(table_data);
        column_desc = gui_internal_compute_table_dimensions(this,w);
        y=w->p.y;
        gui_internal_table_hide_rows(table_data);
        /**
         * Skip rows that are on previous pages.
         */
        cur_row = w->children;
        if(table_data->top_row && table_data->top_row != w->children )
        {
                cur_row = table_data->top_row;
                is_first_page=0;
        }
        /**
         * Loop through each row.  Drawing each cell with the proper sizes,
         * at the proper positions.
         */
        for(table_data->top_row=cur_row; cur_row; cur_row = g_list_next(cur_row))
        {
                int max_height=0;
                struct widget * cur_row_widget;
                GList * cur_column=NULL;
                current_desc = column_desc;
                cur_row_widget = (struct widget*)cur_row->data;
                x =w->p.x+this->spacing;
                if(cur_row_widget == table_data->button_box )
                {
                        continue;
                }
                dim = (struct table_column_desc*)current_desc->data;

                if( y + dim->height + (table_data->button_box ? table_data->button_box->h : 0) + this->spacing >= w->p.y + w->h )
                {
                        /*
                         * No more drawing space left.
                         */
                        is_skipped=1;
                        break;
                }
                for(cur_column = cur_row_widget->children; cur_column;
                    cur_column=g_list_next(cur_column))
                {
                        struct  widget * cur_widget = (struct widget*) cur_column->data;
                        dim = (struct table_column_desc*)current_desc->data;

                        cur_widget->p.x=x;
                        cur_widget->w=dim->width;
                        cur_widget->p.y=y;
                        cur_widget->h=dim->height;
                        x=x+cur_widget->w;
                        max_height = dim->height;
                        /* We pack the widget before rendering to ensure that the x and y
                         * coordinates get pushed down.
                         */
                        gui_internal_widget_pack(this,cur_widget);
                        gui_internal_widget_render(this,cur_widget);

                        if(dim->height > max_height)
                        {
                                max_height = dim->height;
                        }
                }
                
                /* Row object should have its coordinates in actual
                 * state to be able to pass mouse clicks to Column objects
                 */
                cur_row_widget->p.x=w->p.x;
                cur_row_widget->w=w->w;
                cur_row_widget->p.y=y;
                cur_row_widget->h=max_height;
                y = y + max_height;
                table_data->bottom_row=cur_row;
                current_desc = g_list_next(current_desc);
        }
        if(table_data->button_box && (is_skipped || !is_first_page)  )
        {
                table_data->button_box->p.y =w->p.y+w->h-table_data->button_box->h -
                        this->spacing;
                if(table_data->button_box->p.y < y )
                {
                        table_data->button_box->p.y=y;
                }
                table_data->button_box->p.x = w->p.x;
                table_data->button_box->w = w->w;
                //    table_data->button_box->h = w->h - y;
                //    table_data->next_button->h=table_data->button_box->h;
                //    table_data->prev_button->h=table_data->button_box->h;
                //    table_data->next_button->c.y=table_data->button_box->c.y;
                //    table_data->prev_button->c.y=table_data->button_box->c.y;
                gui_internal_widget_pack(this,table_data->button_box);
                if(table_data->next_button->p.y > w->p.y + w->h + table_data->next_button->h)
                {
                        table_data->button_box->p.y = w->p.y + w->h -
                                table_data->button_box->h;
                }
                if(is_skipped)
                {
                        table_data->next_button->state|= STATE_SENSITIVE;
                }
                else
                {
                        table_data->next_button->state&= ~STATE_SENSITIVE;
                }

                if(table_data->top_row != w->children)
                {
                        table_data->prev_button->state|= STATE_SENSITIVE;
                }
                else
                {
                        table_data->prev_button->state&= ~STATE_SENSITIVE;
                }
                gui_internal_widget_render(this,table_data->button_box);


        }

        /**
         * Deallocate column descriptions.
         */
        current_desc = column_desc;
        while( (current_desc = g_list_last(current_desc)) )
        {
                current_desc = g_list_remove(current_desc,current_desc->data);
        }
}


/**
 * @brief Displays Route information
 *
 * @li The name of the active vehicle
 * @param wm The button that was pressed.
 * @param v Unused
 */
static void
gui_internal_cmd2_route_description(struct gui_priv *this, char *function, struct attr **in, struct attr ***out, int *valid)
{


        struct widget * menu;
        struct widget * row;
        struct widget * box;


        if(! this->vehicle_cb)
        {
          /**
           * Register the callback on vehicle updates.
           */
          this->vehicle_cb = callback_new_attr_1(callback_cast(gui_internal_route_update),
                                                       attr_position_coord_geo,this);
          navit_add_callback(this->nav,this->vehicle_cb);
        }

        this->route_data.route_table = gui_internal_widget_table_new(this,gravity_left_top | flags_fill | flags_expand |orientation_vertical,1);
        row = gui_internal_widget_table_row_new(this,gravity_left | orientation_horizontal | flags_fill);

        row = gui_internal_widget_table_row_new(this,gravity_left | orientation_horizontal | flags_fill);


        menu=gui_internal_menu(this,_("Route Description"));

        menu->free=gui_internal_route_screen_free;
        this->route_data.route_showing=1;
        this->route_data.route_table->spx = this->spacing;


        box = gui_internal_box_new(this, gravity_left_top| orientation_vertical | flags_fill | flags_expand);

        //      gui_internal_widget_append(box,gui_internal_box_new_with_label(this,"Test"));
        gui_internal_widget_append(box,this->route_data.route_table);
        box->w=menu->w;
        box->spx = this->spacing;
        this->route_data.route_table->w=box->w;
        gui_internal_widget_append(menu,box);
        gui_internal_populate_route_table(this,this->nav);
        gui_internal_menu_render(this);

}

static int
line_intersection(struct coord* a1, struct coord *a2, struct coord * b1, struct coord *b2, struct coord *res)
{
        int n, a, b;
        int adx=a2->x-a1->x;
        int ady=a2->y-a1->y;
        int bdx=b2->x-b1->x;
        int bdy=b2->y-b1->y;
        n = bdy * adx - bdx * ady;
        a = bdx * (a1->y - b1->y) - bdy * (a1->x - b1->x);
        b = adx * (a1->y - b1->y) - ady * (a1->x - b1->x);
        if (n < 0) {
                n = -n;
                a = -a;
                b = -b;
        }
        if (a < 0 || b < 0)
                return 0;
        if (a > n || b > n)
                return 0;
        if (n == 0) {
                dbg(0,"a=%d b=%d n=%d\n", a, b, n);
                dbg(0,"a1=0x%x,0x%x ad %d,%d\n", a1->x, a1->y, adx, ady);
                dbg(0,"b1=0x%x,0x%x bd %d,%d\n", b1->x, b1->y, bdx, bdy);
                dbg_assert(n != 0);
        }
        res->x = a1->x + a * adx / n;
        res->y = a1->y + a * ady / n;
        return 1;
}

struct heightline {
        struct heightline *next;
        int height;
        struct coord_rect bbox;
        int count;
        struct coord c[0];
};

struct diagram_point {
        struct diagram_point *next;
        struct coord c;
};

static struct heightline *
item_get_heightline(struct item *item)
{
        struct heightline *ret=NULL;
        struct street_data *sd;
        struct attr attr;
        int i,height;

        if (item_attr_get(item, attr_label, &attr)) {
                height=atoi(attr.u.str);
                sd=street_get_data(item);
                if (sd && sd->count > 1) {
                        ret=g_malloc(sizeof(struct heightline)+sd->count*sizeof(struct coord));
                        ret->bbox.lu=sd->c[0];
                        ret->bbox.rl=sd->c[0];
                        ret->count=sd->count;
                        ret->height=height;
                        for (i = 0 ; i < sd->count ; i++) {
                                ret->c[i]=sd->c[i];
                                coord_rect_extend(&ret->bbox, sd->c+i);
                        }
                }
                street_data_free(sd);
        }
        return ret;
}


/**
 * @brief Displays Route Height Profile
 *
 * @li The name of the active vehicle
 * @param wm The button that was pressed.
 * @param v Unused
 */
static void
gui_internal_cmd2_route_height_profile(struct gui_priv *this, char *function, struct attr **in, struct attr ***out, int *valid)
{


        struct widget * menu, *box;

        struct map * map=NULL;
        struct map_rect * mr=NULL;
        struct route * route;
        struct item * item =NULL;
        struct mapset *ms;
        struct mapset_handle *msh;
        int x,i,first=1,dist=0;
        struct coord c,last,res;
        struct coord_rect rbbox,dbbox;
        struct map_selection sel;
        struct heightline *heightline,*heightlines=NULL;
        struct diagram_point *min,*diagram_point,*diagram_points=NULL;
        sel.next=NULL;
        sel.order=18;
        sel.range.min=type_height_line_1;
        sel.range.max=type_height_line_3;


        menu=gui_internal_menu(this,_("Height Profile"));
        box = gui_internal_box_new(this, gravity_left_top| orientation_vertical | flags_fill | flags_expand);
        gui_internal_widget_append(menu, box);
        route = navit_get_route(this->nav);
        if (route)
                map = route_get_map(route);
        if(map)
                mr = map_rect_new(map,NULL);
        if(mr) {
                while((item = map_rect_get_item(mr))) {
                        while (item_coord_get(item, &c, 1)) {
                                if (first) {
                                        first=0;
                                        sel.u.c_rect.lu=c;
                                        sel.u.c_rect.rl=c;
                                } else
                                        coord_rect_extend(&sel.u.c_rect, &c);
                        }
                }
                map_rect_destroy(mr);
                ms=navit_get_mapset(this->nav);
                if (!first && ms) {
                        msh=mapset_open(ms);
                        while ((map=mapset_next(msh, 1))) {
                                mr=map_rect_new(map, &sel);
                                if (mr) {
                                        while((item = map_rect_get_item(mr))) {
                                                if (item->type >= sel.range.min && item->type <= sel.range.max) {
                                                        heightline=item_get_heightline(item);
                                                        if (heightline) {
                                                                heightline->next=heightlines;
                                                                heightlines=heightline;
                                                        }
                                                }
                                        }
                                        map_rect_destroy(mr);
                                }
                        }
                        mapset_close(msh);
                }
        }
        map=NULL;
        mr=NULL;
        if (route)
                map = route_get_map(route);
        if(map)
                mr = map_rect_new(map,NULL);
        if(mr && heightlines) {
                while((item = map_rect_get_item(mr))) {
                        first=1;
                        while (item_coord_get(item, &c, 1)) {
                                if (first)
                                        first=0;
                                else {
                                        heightline=heightlines;
                                        rbbox.lu=last;
                                        rbbox.rl=last;
                                        coord_rect_extend(&rbbox, &c);
                                        while (heightline)
                                        {
                                                dbg(0,"EEnter\n");
                                                if (coord_rect_overlap(&rbbox, &heightline->bbox))
                                                {
                                                        for (i = 0 ; i < heightline->count - 1; i++) {
                                                                if (heightline->c[i].x != heightline->c[i+1].x || heightline->c[i].y != heightline->c[i+1].y) {
                                                                        if (line_intersection(heightline->c+i, heightline->c+i+1, &last, &c, &res)) {
                                                                                diagram_point=g_new(struct diagram_point, 1);
                                                                                diagram_point->c.x=dist+transform_distance(projection_mg, &last, &res);
                                                                                diagram_point->c.y=heightline->height;
                                                                                diagram_point->next=diagram_points;
                                                                                diagram_points=diagram_point;
                                                                                dbg(0,"%d %d\n", diagram_point->c.x, diagram_point->c.y);
                                                                        }
                                                                }
                                                        }
                                                }
                                                heightline=heightline->next;
                                        }
                                        dist+=transform_distance(projection_mg, &last, &c);
                                }
                                last=c;
                        }

                }
                map_rect_destroy(mr);
        }


        gui_internal_menu_render(this);
        first=1;
        diagram_point=diagram_points;
        while (diagram_point) {
                if (first) {
                        dbbox.lu=diagram_point->c;
                        dbbox.rl=diagram_point->c;
                        first=0;
                } else
                        coord_rect_extend(&dbbox, &diagram_point->c);
                diagram_point=diagram_point->next;
        }
        dbg(0,"%d %d %d %d\n", dbbox.lu.x, dbbox.lu.y, dbbox.rl.x, dbbox.rl.y);
        if (dbbox.rl.x > dbbox.lu.x && dbbox.lu.x*100/(dbbox.rl.x-dbbox.lu.x) <= 25)
                dbbox.lu.x=0;
        if (dbbox.lu.y > dbbox.rl.y && dbbox.rl.y*100/(dbbox.lu.y-dbbox.rl.y) <= 25)
                dbbox.rl.y=0;
        dbg(0,"%d,%d %dx%d\n", box->p.x, box->p.y, box->w, box->h);
        x=dbbox.lu.x;
        first=1;
        for (;;) {
                struct point p[2];
                min=NULL;
                diagram_point=diagram_points;
                while (diagram_point) {
                        if (diagram_point->c.x >= x && (!min || min->c.x > diagram_point->c.x))
                                min=diagram_point;
                        diagram_point=diagram_point->next;
                }
                if (! min)
                        break;
                p[1].x=(min->c.x-dbbox.lu.x)*(box->w-10)/(dbbox.rl.x-dbbox.lu.x)+box->p.x+5;
                p[1].y=(min->c.y-dbbox.rl.y)*(box->h-10)/(dbbox.lu.y-dbbox.rl.y)+box->p.y+5;
                dbg(0,"%d,%d=%d,%d\n",min->c.x, min->c.y, p[1].x,p[1].y);
                graphics_draw_circle(this->gra, this->foreground, &p[1], 2);
                if (first)
                        first=0;
                else
                        graphics_draw_lines(this->gra, this->foreground, p, 2);
                p[0]=p[1];
                x=min->c.x+1;
        }


}

static void
gui_internal_cmd2_locale(struct gui_priv *this, char *function, struct attr **in, struct attr ***out, int *valid)
{
        struct widget *menu,*wb,*w;
        char *text;

        graphics_draw_mode(this->gra, draw_mode_begin);
        menu=gui_internal_menu(this, _("Show Locale"));
        menu->spx=this->spacing*10;
        wb=gui_internal_box_new(this, gravity_top_center|orientation_vertical|flags_expand|flags_fill);
        gui_internal_widget_append(menu, wb);
        text=g_strdup_printf("LANG=%1$s (1=%3$s 2=%2$s)",getenv("LANG"),"2","1");
        gui_internal_widget_append(wb, w=gui_internal_label_new(this, text));
        w->flags=gravity_left_center|orientation_horizontal|flags_fill;
        g_free(text);
#ifdef HAVE_API_WIN32_BASE
        {
                char country[32],lang[32];
#ifdef HAVE_API_WIN32_CE
                wchar_t wcountry[32],wlang[32];

                GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_SABBREVLANGNAME, wlang, sizeof(wlang));
                WideCharToMultiByte(CP_ACP,0,wlang,-1,lang,sizeof(lang),NULL,NULL);
#else
                GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_SABBREVLANGNAME, lang, sizeof(lang));
#endif
                text=g_strdup_printf("LOCALE_SABBREVLANGNAME=%s",lang);
                gui_internal_widget_append(wb, w=gui_internal_label_new(this, text));
                w->flags=gravity_left_center|orientation_horizontal|flags_fill;
                g_free(text);
#ifdef HAVE_API_WIN32_CE
                GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_SABBREVCTRYNAME, wcountry, sizeof(wcountry));
                WideCharToMultiByte(CP_ACP,0,wcountry,-1,country,sizeof(country),NULL,NULL);
#else
                GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_SABBREVCTRYNAME, country, sizeof(country));
#endif
                text=g_strdup_printf("LOCALE_SABBREVCTRYNAME=%s",country);
                gui_internal_widget_append(wb, w=gui_internal_label_new(this, text));
                w->flags=gravity_left_center|orientation_horizontal|flags_fill;
                g_free(text);
        }
#endif

        gui_internal_menu_render(this);
        graphics_draw_mode(this->gra, draw_mode_end);
}

static void
gui_internal_cmd2_about(struct gui_priv *this, char *function, struct attr **in, struct attr ***out, int *valid)
{
        struct widget *menu,*wb,*w;
        char *text;

        graphics_draw_mode(this->gra, draw_mode_begin);
        menu=gui_internal_menu(this, ("About ZANavi"));
        menu->spx=this->spacing*10;
        wb=gui_internal_box_new(this, gravity_top_center|orientation_vertical|flags_expand);
        gui_internal_widget_append(menu, wb);

        //Icon -> seems missing, try icon.png?
        gui_internal_widget_append(wb, w=gui_internal_image_new(this, image_new_xs(this, "icon")));
        w->flags=gravity_top_center|orientation_horizontal|flags_fill;

        //app name
        text=g_strdup_printf("%s",(" "));
        gui_internal_widget_append(wb, w=gui_internal_label_new(this, text));
        w->flags=gravity_bottom_center|orientation_horizontal|flags_fill;
        g_free(text);
        text=g_strdup_printf("%s",PACKAGE_NAME);
        gui_internal_widget_append(wb, w=gui_internal_label_new(this, text));
        w->flags=gravity_top_center|orientation_horizontal|flags_expand;
        g_free(text);

        //Version
        text=g_strdup_printf("%s",(" "));
        gui_internal_widget_append(wb, w=gui_internal_label_new(this, text));
        w->flags=gravity_bottom_center|orientation_horizontal|flags_fill;
        g_free(text);
        text=g_strdup_printf("%s",version);
        gui_internal_widget_append(wb, w=gui_internal_label_new(this, text));
        w->flags=gravity_top_center|orientation_horizontal|flags_expand;
        g_free(text);

        //Site
        text=g_strdup_printf("%s",(" "));
        gui_internal_widget_append(wb, w=gui_internal_label_new(this, text));
        w->flags=gravity_bottom_center|orientation_horizontal|flags_fill;
        g_free(text);
        text=g_strdup_printf("http://zanavi.cc/");
        // gui_internal_widget_append(wb, w=gui_internal_label_new(this, text));
        gui_internal_widget_append(wb, w=gui_internal_label_font_new(this, text,1));
        w->flags=gravity_top_center|orientation_horizontal|flags_expand;
        g_free(text);

        //ZANavi
        text=g_strdup_printf("%s",(" "));
        gui_internal_widget_append(wb, w=gui_internal_label_new(this, text));
        w->flags=gravity_bottom_center|orientation_horizontal|flags_fill;
        g_free(text);
        text=g_strdup_printf("%s",("ZANavi"));
        gui_internal_widget_append(wb, w=gui_internal_label_new(this, text));
        w->flags=gravity_bottom_center|orientation_horizontal|flags_fill;
        g_free(text);
        text=g_strdup_printf("%s",("by Zoff"));
        gui_internal_widget_append(wb, w=gui_internal_label_new(this, text));
        w->flags=gravity_bottom_center|orientation_horizontal|flags_fill;
        g_free(text);
        text=g_strdup_printf("%s",(" "));
        gui_internal_widget_append(wb, w=gui_internal_label_new(this, text));
        w->flags=gravity_bottom_center|orientation_horizontal|flags_fill;
        g_free(text);
        text=g_strdup_printf("%s",(" "));
        gui_internal_widget_append(wb, w=gui_internal_label_new(this, text));
        w->flags=gravity_bottom_center|orientation_horizontal|flags_fill;
        g_free(text);

        //Navit
        text=g_strdup_printf("%s:",("based on Navit by"));
        gui_internal_widget_append(wb, w=gui_internal_label_new(this, text));
        w->flags=gravity_bottom_center|orientation_horizontal|flags_fill;
        g_free(text);
        text=g_strdup_printf("Martin Schaller");
        gui_internal_widget_append(wb, w=gui_internal_label_new(this, text));
        w->flags=gravity_bottom_center|orientation_horizontal|flags_fill;
        g_free(text);

        gui_internal_menu_render(this);
        graphics_draw_mode(this->gra, draw_mode_end);
}

/**
 * @brief handles the 'next page' table event.
 * A callback function that is invoked when the 'next page' button is pressed
 * to advance the contents of a table widget.
 *
 * @param this The graphics context.
 * @param wm The button widget that was pressed.
 */
static void gui_internal_table_button_next(struct gui_priv * this, struct widget * wm, void *data)
{
        struct widget * table_widget = (struct widget * ) wm->data;
        struct table_data * table_data = NULL;
        int found=0;
        GList * iterator;

        if(table_widget)
        {
                table_data = (struct table_data*) table_widget->data;

        }
        if(table_data)
        {
                /**
                 * Before advancing to the next page we need to ensure
                 * that the current top_row is in the list of previous top_rows
                 * so previous page can work.
                 *
                 */
                for(iterator=table_data->page_headers; iterator != NULL;
                    iterator = g_list_next(iterator) )
                {
                        if(iterator->data == table_data->top_row)
                        {
                                found=1;
                                break;
                        }

                }
                if( ! found)
                {
                        table_data->page_headers=g_list_append(table_data->page_headers,
                                                               table_data->top_row);
                }
                /**
                 * Invalidate row coordinates for all rows which were previously rendered
                 
                for(iterator=table_data->top_row; iterator && table_data->rows_on_page; iterator = g_list_next(iterator))
                {
                        struct widget * cur_row_widget = (struct widget*)iterator->data;
                        cur_row_widget->p.x=-1;
                        cur_row_widget->p.y=-1;
                        cur_row_widget->w=0;
                        cur_row_widget->h=0;
                        table_data->rows_on_page--;
                }
                */
                gui_internal_table_hide_rows(table_data);
                table_data->top_row=g_list_next(table_data->bottom_row);
        }
        wm->state&= ~STATE_HIGHLIGHTED;
        gui_internal_menu_render(this);
}


/**
 * @brief handles the 'previous page' table event.
 * A callback function that is invoked when the 'previous page' button is pressed
 * to go back in the contents of a table widget.
 *
 * @param this The graphics context.
 * @param wm The button widget that was pressed.
 */
static void gui_internal_table_button_prev(struct gui_priv * this, struct widget * wm, void *data)
{
        struct widget * table_widget = (struct widget * ) wm->data;
        struct table_data * table_data = NULL;
        GList * current_page_top=NULL;

        GList * iterator;
        if(table_widget)
        {
                table_data = (struct table_data*) table_widget->data;
                if(table_data)
                {
                        gui_internal_table_hide_rows(table_data);
                        current_page_top = table_data->top_row;
                        for(iterator = table_data->page_headers; iterator != NULL;
                            iterator = g_list_next(iterator))
                        {
                                if(current_page_top == iterator->data)
                                {
                                        break;
                                }
                                table_data->top_row = (GList*) iterator->data;
                        }
                }
        }
        wm->state&= ~STATE_HIGHLIGHTED;
        gui_internal_menu_render(this);
}


/**
 * @brief deallocates a table_data structure.
 *
 */
void gui_internal_table_data_free(void * p)
{


        /**
         * @note button_box and its children (next_button,prev_button)
         * have their memory managed by the table itself.
         */
        struct table_data * table_data =  (struct table_data*) p;
        g_list_free(table_data->page_headers);
        g_free(p);


}


/**
 * @brief Called when the route is updated.
 */
void gui_internal_route_update(struct gui_priv * this, struct navit * navit, struct vehicle *v)
{

        if(this->route_data.route_showing) {
                gui_internal_populate_route_table(this,navit);
                graphics_draw_mode(this->gra, draw_mode_begin);
                gui_internal_menu_render(this);
                graphics_draw_mode(this->gra, draw_mode_end);
        }


}


/**
 * @brief Called when the route screen is closed (deallocated).
 *
 * The main purpose of this function is to remove the widgets from
 * references route_data because those widgets are about to be freed.
 */
void gui_internal_route_screen_free(struct gui_priv * this_,struct widget * w)
{
        if(this_) {
                this_->route_data.route_showing=0;
                this_->route_data.route_table=NULL;
                g_free(w);
        }

}

/**
 * @brief Populates the route  table with route information
 *
 * @param this The gui context
 * @param navit The navit object
 */
void gui_internal_populate_route_table(struct gui_priv * this,
                                       struct navit * navit)
{
        struct map * map=NULL;
        struct map_rect * mr=NULL;
        struct navigation * nav = NULL;
        struct item * item =NULL;
        struct attr attr;
        struct widget * label = NULL;
        struct widget * row = NULL;
        nav = navit_get_navigation(navit);
        if(!nav) {
                return;
        }
        map = navigation_get_map(nav);
        if(map)
          mr = map_rect_new(map,NULL);
        if(mr) {
                gui_internal_widget_table_clear(this,this->route_data.route_table);
                while((item = map_rect_get_item(mr))) {
                        if(item_attr_get(item,attr_navigation_long,&attr)) {
                          label = gui_internal_label_new(this,attr.u.str);
                          row = gui_internal_widget_table_row_new(this,
                                                                  gravity_left
                                                                  | flags_fill
                                                                  | orientation_horizontal);
                          row->children=g_list_append(row->children,label);
                          gui_internal_widget_append(this->route_data.route_table,row);
                        }

                }

        }
}

static struct command_table commands[] = {
        {"abort_navigation",command_cast(gui_internal_cmd2_abort_navigation)},
        {"back",command_cast(gui_internal_cmd2_back)},
        {"back_to_map",command_cast(gui_internal_cmd2_back_to_map)},
        {"bookmarks",command_cast(gui_internal_cmd2_bookmarks)},
        {"get_data",command_cast(gui_internal_get_data)},
        {"locale",command_cast(gui_internal_cmd2_locale)},
        {"log",command_cast(gui_internal_cmd_log)},
        {"menu",command_cast(gui_internal_cmd_menu2)},
        {"position",command_cast(gui_internal_cmd2_position)},
        {"route_description",command_cast(gui_internal_cmd2_route_description)},
        {"route_height_profile",command_cast(gui_internal_cmd2_route_height_profile)},
        {"setting_layout",command_cast(gui_internal_cmd2_setting_layout)},
        {"setting_maps",command_cast(gui_internal_cmd2_setting_maps)},
        {"setting_rules",command_cast(gui_internal_cmd2_setting_rules)},
        {"setting_vehicle",command_cast(gui_internal_cmd2_setting_vehicle)},
        {"town",command_cast(gui_internal_cmd2_town)},
        {"quit",command_cast(gui_internal_cmd2_quit)},
        {"write",command_cast(gui_internal_cmd_write)},
        {"about",command_cast(gui_internal_cmd2_about)},
};


//##############################################################################################################
//# Description:
//# Comment:
//# Authors: Martin Schaller (04/2008)
//##############################################################################################################
static struct gui_priv * gui_internal_new(struct navit *nav, struct gui_methods *meth, struct attr **attrs, struct gui *gui)
{
        struct color color_white={0xffff,0xffff,0xffff,0xffff};
        struct color color_black={0x0,0x0,0x0,0xffff};
        struct color back2_color={0x4141,0x4141,0x4141,0xffff};

        struct gui_priv *this;
        struct attr *attr;
        *meth=gui_internal_methods;
        this=g_new0(struct gui_priv, 1);
        this->nav=nav;

        this->self.type=attr_gui;
        this->self.u.gui=gui;

        if ((attr=attr_search(attrs, NULL, attr_menu_on_map_click)))
                this->menu_on_map_click=attr->u.num;
        else
                this->menu_on_map_click=1;
        if ((attr=attr_search(attrs, NULL, attr_signal_on_map_click)))
                this->signal_on_map_click=attr->u.num;

        if ((attr=attr_search(attrs, NULL, attr_callback_list))) {
                command_add_table(attr->u.callback_list, commands, sizeof(commands)/sizeof(struct command_table), this);
        }

        if( (attr=attr_search(attrs,NULL,attr_font_size)))
        {
          this->config.font_size=attr->u.num;
        }
        else
        {
          this->config.font_size=-1;
        }
        if( (attr=attr_search(attrs,NULL,attr_icon_xs)))
        {
          this->config.icon_xs=attr->u.num;
        }
        else
        {
          this->config.icon_xs=-1;
        }
        if( (attr=attr_search(attrs,NULL,attr_icon_l)))
        {
          this->config.icon_l=attr->u.num;
        }
        else
        {
          this->config.icon_l=-1;
        }
        if( (attr=attr_search(attrs,NULL,attr_icon_s)))
        {
          this->config.icon_s=attr->u.num;
        }
        else
        {
          this->config.icon_s=-1;
        }
        if( (attr=attr_search(attrs,NULL,attr_spacing)))
        {
          this->config.spacing=attr->u.num;
        }
        else
        {
          this->config.spacing=-1;
        }
        if( (attr=attr_search(attrs,NULL,attr_gui_speech)))
        {
          this->speech=attr->u.num;
        }
        if( (attr=attr_search(attrs,NULL,attr_keyboard)))
          this->keyboard=attr->u.num;
        else
          this->keyboard=1;

    if( (attr=attr_search(attrs,NULL,attr_fullscreen)))
      this->fullscreen=attr->u.num;

        if( (attr=attr_search(attrs,NULL,attr_flags)))
              this->flags=attr->u.num;
        if( (attr=attr_search(attrs,NULL,attr_background_color)))
              this->background_color=*attr->u.color;
        else
              this->background_color=color_black;
        if( (attr=attr_search(attrs,NULL,attr_background_color2)))
                this->background2_color=*attr->u.color;
        else
                this->background2_color=back2_color;
        if( (attr=attr_search(attrs,NULL,attr_text_color)))
              this->text_foreground_color=*attr->u.color;
        else
              this->text_foreground_color=color_white;
        this->text_background_color=color_black;
        if( (attr=attr_search(attrs,NULL,attr_columns)))
              this->cols=attr->u.num;
        if( (attr=attr_search(attrs,NULL,attr_osd_configuration)))
              this->osd_configuration=*attr;

        if( (attr=attr_search(attrs,NULL,attr_pitch)))
              this->pitch=attr->u.num;
        else
                this->pitch=20;
        if( (attr=attr_search(attrs,NULL,attr_flags_town)))
                this->flags_town=attr->u.num;
        else
                this->flags_town=-1;
        if( (attr=attr_search(attrs,NULL,attr_flags_street)))
                this->flags_street=attr->u.num;
        else
                this->flags_street=-1;
        if( (attr=attr_search(attrs,NULL,attr_flags_house_number)))
                this->flags_house_number=attr->u.num;
        else
                this->flags_house_number=-1;
        if( (attr=attr_search(attrs,NULL,attr_radius)))
                this->radius=attr->u.num;
        else
                this->radius=10;
        this->data.priv=this;
        this->data.gui=&gui_internal_methods_ext;
        this->data.widget=&gui_internal_widget_methods;
        this->cbl=callback_list_new();

        return this;
}

//##############################################################################################################
//# Description:
//# Comment:
//# Authors: Martin Schaller (04/2008)
//##############################################################################################################
void plugin_init(void)
{
        plugin_register_gui_type("internal", gui_internal_new);
}

static void
gui_internal_destroy(struct gui_priv *this)
{
        g_free(this->country_iso2);
        g_free(this->href);
        g_free(this->html_text);
        g_free(this);
}