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+/**
+ * Navit, a modular navigation system.
+ * Copyright (C) 2005-2008 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.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <signal.h>
+#include <string.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <glib.h>
+#include <math.h>
+#include <time.h>
+#include "config.h"
+#include "debug.h"
+#include "navit.h"
+#include "callback.h"
+#include "gui.h"
+#include "item.h"
+#include "projection.h"
+#include "map.h"
+#include "mapset.h"
+#include "main.h"
+#include "coord.h"
+#include "point.h"
+#include "transform.h"
+#include "param.h"
+#include "menu.h"
+#include "graphics.h"
+#include "cursor.h"
+#include "popup.h"
+#include "data_window.h"
+#include "route.h"
+#include "navigation.h"
+#include "speech.h"
+#include "track.h"
+#include "vehicle.h"
+#include "color.h"
+#include "layout.h"
+#include "log.h"
+#include "attr.h"
+#include "event.h"
+#include "file.h"
+#include "profile.h"
+#include "command.h"
+#include "navit_nls.h"
+#include "util.h"
+#include "messages.h"
+#include "vehicleprofile.h"
+
+/**
+ * @defgroup navit the navit core instance. navit is the object containing nearly everything: A set of maps, one or more vehicle, a graphics object for rendering the map, a gui object for displaying the user interface, a route object, a navigation object and so on. Be warned that it is theoretically possible to have more than one navit object
+ * @{
+ */
+
+//! The navit_vehicule
+struct navit_vehicle {
+ int follow;
+ /*! Limit of the follow counter. See navit_add_vehicle */
+ int follow_curr;
+ /*! Deprecated : follow counter itself. When it reaches 'update' counts, map is recentered*/
+ struct coord coord;
+ int dir;
+ int speed;
+ struct coord last; /*< Position of the last update of this vehicle */
+ struct color c;
+ struct color *c2;
+ struct cursor *cursor;
+ struct vehicle *vehicle;
+ struct attr callback;
+ int animate_cursor;
+};
+
+struct navit {
+ struct attr self;
+ GList *mapsets;
+ GList *layouts;
+ struct gui *gui;
+ struct layout *layout_current;
+ struct graphics *gra;
+ struct action *action;
+ struct transformation *trans;
+ struct compass *compass;
+ struct route *route;
+ struct navigation *navigation;
+ struct speech *speech;
+ struct tracking *tracking;
+ int ready;
+ struct window *win;
+ struct displaylist *displaylist;
+ int tracking_flag;
+ int orientation;
+ int recentdest_count;
+ int osd_configuration;
+ GList *vehicles;
+ GList *windows_items;
+ struct navit_vehicle *vehicle;
+ struct callback_list *attr_cbl;
+ struct callback *nav_speech_cb, *roadbook_callback, *popup_callback, *route_cb;
+ struct datawindow *roadbook_window;
+ struct map *bookmark;
+ struct map *former_destination;
+ GHashTable *bookmarks_hash;
+ struct point pressed, last, current;
+ int button_pressed,moved,popped,zoomed;
+ int center_timeout;
+ int autozoom_secs;
+ int autozoom_min;
+ int autozoom_active;
+ struct event_timeout *button_timeout, *motion_timeout;
+ struct callback *motion_timeout_callback;
+ int ignore_button;
+ int ignore_graphics_events;
+ struct log *textfile_debug_log;
+ struct pcoord destination;
+ int destination_valid;
+ int blocked;
+ int w,h;
+ int drag_bitmap;
+ int use_mousewheel;
+ struct messagelist *messages;
+ struct callback *resize_callback,*button_callback,*motion_callback;
+ struct vehicleprofile *vehicleprofile;
+ GList *vehicleprofiles;
+ int pitch;
+ int follow_cursor;
+};
+
+struct gui *main_loop_gui;
+
+struct attr_iter {
+ union {
+ GList *list;
+ struct mapset_handle *mapset_handle;
+ } u;
+};
+
+static void navit_vehicle_update(struct navit *this_, struct navit_vehicle *nv);
+static void navit_vehicle_draw(struct navit *this_, struct navit_vehicle *nv, struct point *pnt);
+static int navit_add_vehicle(struct navit *this_, struct vehicle *v);
+static int navit_set_attr_do(struct navit *this_, struct attr *attr, int init);
+static int navit_get_cursor_pnt(struct navit *this_, struct point *p, int *dir);
+static void navit_cmd_zoom_to_route(struct navit *this);
+static void navit_cmd_set_center_cursor(struct navit *this_);
+static void navit_set_vehicle(struct navit *this_, struct navit_vehicle *nv);
+
+void
+navit_add_mapset(struct navit *this_, struct mapset *ms)
+{
+ this_->mapsets = g_list_append(this_->mapsets, ms);
+}
+
+struct mapset *
+navit_get_mapset(struct navit *this_)
+{
+ if(this_->mapsets){
+ return this_->mapsets->data;
+ } else {
+ dbg(0,"No mapsets enabled! Is it on purpose? Navit can't draw a map. Please check your navit.xml\n");
+ }
+ return NULL;
+}
+
+struct tracking *
+navit_get_tracking(struct navit *this_)
+{
+ return this_->tracking;
+}
+
+static void
+navit_draw_async(struct navit *this_, int async)
+{
+ GList *l;
+ struct navit_vehicle *nv;
+
+ if (this_->blocked) {
+ this_->blocked |= 2;
+ return;
+ }
+ transform_setup_source_rect(this_->trans);
+ l=this_->vehicles;
+ while (l) {
+ nv=l->data;
+ navit_vehicle_draw(this_, nv, NULL);
+ l=g_list_next(l);
+ }
+ graphics_draw(this_->gra, this_->displaylist, this_->mapsets->data, this_->trans, this_->layout_current, async, NULL);
+}
+
+void
+navit_draw(struct navit *this_)
+{
+ navit_draw_async(this_, 0);
+}
+
+
+void
+navit_draw_displaylist(struct navit *this_)
+{
+ if (this_->ready == 3)
+ graphics_displaylist_draw(this_->gra, this_->displaylist, this_->trans, this_->layout_current, 1);
+}
+
+static void
+navit_redraw_route(struct navit *this_, struct route *route, struct attr *attr)
+{
+ int updated;
+ if (attr->type != attr_route_status)
+ return;
+ updated=attr->u.num;
+ if (this_->ready != 3)
+ return;
+ if (updated != route_status_path_done_new)
+ return;
+ if (this_->vehicle) {
+ if (this_->vehicle->follow_curr == 1)
+ return;
+ if (this_->vehicle->follow_curr <= this_->vehicle->follow)
+ this_->vehicle->follow_curr=this_->vehicle->follow;
+ }
+ navit_draw(this_);
+}
+
+void
+navit_handle_resize(struct navit *this_, int w, int h)
+{
+ struct map_selection sel;
+ memset(&sel, 0, sizeof(sel));
+ this_->w=w;
+ this_->h=h;
+ sel.u.p_rect.rl.x=w;
+ sel.u.p_rect.rl.y=h;
+ transform_set_screen_selection(this_->trans, &sel);
+ this_->ready |= 2;
+ graphics_set_rect(this_->gra, &sel.u.p_rect);
+ if (this_->ready == 3)
+ navit_draw(this_);
+}
+
+static void
+navit_resize(void *data, int w, int h)
+{
+ struct navit *this=data;
+ if (!this->ignore_graphics_events)
+ navit_handle_resize(this, w, h);
+}
+
+int
+navit_get_width(struct navit *this_)
+{
+ return this_->w;
+}
+
+
+int
+navit_get_height(struct navit *this_)
+{
+ return this_->h;
+}
+
+static void
+navit_popup(void *data)
+{
+ struct navit *this_=data;
+ popup(this_, 1, &this_->pressed);
+ this_->button_timeout=NULL;
+ this_->popped=1;
+}
+
+
+int
+navit_ignore_button(struct navit *this_)
+{
+ if (this_->ignore_button)
+ return 1;
+ this_->ignore_button=1;
+ return 0;
+}
+
+void
+navit_ignore_graphics_events(struct navit *this_, int ignore)
+{
+ this_->ignore_graphics_events=ignore;
+}
+
+static void
+update_transformation(struct transformation *tr, struct point *old, struct point *new, struct point *rot)
+{
+ struct coord co,cn;
+ struct coord c,*cp;
+ int yaw;
+ double angleo,anglen;
+
+ transform_reverse(tr, old, &co);
+ if (rot) {
+ angleo=atan2(old->y-rot->y, old->x-rot->x)*180/M_PI;
+ anglen=atan2(new->y-rot->y, new->x-rot->x)*180/M_PI;
+ yaw=transform_get_yaw(tr)+angleo-anglen;
+ transform_set_yaw(tr, yaw % 360);
+ }
+ transform_reverse(tr, new, &cn);
+ cp=transform_get_center(tr);
+ c.x=cp->x+co.x-cn.x;
+ c.y=cp->y+co.y-cn.y;
+ dbg(1,"from 0x%x,0x%x to 0x%x,0x%x\n", cp->x, cp->y, c.x, c.y);
+ transform_set_center(tr, &c);
+}
+
+static void
+navit_set_timeout(struct navit *this_)
+{
+ struct attr follow;
+ follow.type=attr_follow;
+ follow.u.num=this_->center_timeout;
+ navit_set_attr(this_, &follow);
+}
+
+int
+navit_handle_button(struct navit *this_, int pressed, int button, struct point *p, struct callback *popup_callback)
+{
+ int border=16;
+
+ callback_list_call_attr_4(this_->attr_cbl, attr_button, this_, (void *)pressed, (void *)button, p);
+ if (this_->ignore_button) {
+ this_->ignore_button=0;
+ return 0;
+ }
+ if (pressed) {
+ this_->pressed=*p;
+ this_->last=*p;
+ this_->zoomed=0;
+ if (button == 1) {
+ this_->button_pressed=1;
+ this_->moved=0;
+ this_->popped=0;
+ if (popup_callback)
+ this_->button_timeout=event_add_timeout(500, 0, popup_callback);
+ }
+ if (button == 2)
+ navit_set_center_screen(this_, p, 1);
+ if (button == 3)
+ popup(this_, button, p);
+ if (button == 4 && this_->use_mousewheel) {
+ this_->zoomed = 1;
+ navit_zoom_in(this_, 2, p);
+ }
+ if (button == 5 && this_->use_mousewheel) {
+ this_->zoomed = 1;
+ navit_zoom_out(this_, 2, p);
+ }
+ } else {
+
+ this_->button_pressed=0;
+ if (this_->button_timeout) {
+ event_remove_timeout(this_->button_timeout);
+ this_->button_timeout=NULL;
+ if (! this_->moved && ! transform_within_border(this_->trans, p, border)) {
+ navit_set_center_screen(this_, p, !this_->zoomed);
+ }
+ }
+ if (this_->motion_timeout) {
+ event_remove_timeout(this_->motion_timeout);
+ this_->motion_timeout=NULL;
+ }
+ if (this_->moved) {
+ struct point pr;
+ pr.x=this_->w/2;
+ pr.y=this_->h;
+#if 0
+ update_transformation(this_->trans, &this_->pressed, p, &pr);
+#else
+ update_transformation(this_->trans, &this_->pressed, p, NULL);
+#endif
+ graphics_draw_drag(this_->gra, NULL);
+ graphics_overlay_disable(this_->gra, 0);
+ if (!this_->zoomed)
+ navit_set_timeout(this_);
+ navit_draw(this_);
+ } else
+ return 1;
+ }
+ return 0;
+}
+
+static void
+navit_button(void *data, int pressed, int button, struct point *p)
+{
+ struct navit *this=data;
+ if (!this->ignore_graphics_events) {
+ if (! this->popup_callback)
+ this->popup_callback=callback_new_1(callback_cast(navit_popup), this);
+ navit_handle_button(this, pressed, button, p, this->popup_callback);
+ }
+}
+
+
+static void
+navit_motion_timeout(struct navit *this_)
+{
+ int dx, dy;
+
+ if (this_->drag_bitmap) {
+ struct point point;
+ point.x=(this_->current.x-this_->pressed.x);
+ point.y=(this_->current.y-this_->pressed.y);
+ if (graphics_draw_drag(this_->gra, &point)) {
+ graphics_overlay_disable(this_->gra, 1);
+ graphics_draw_mode(this_->gra, draw_mode_end);
+ this_->moved=1;
+ this_->motion_timeout=NULL;
+ return;
+ }
+ }
+ dx=(this_->current.x-this_->last.x);
+ dy=(this_->current.y-this_->last.y);
+ if (dx || dy) {
+ struct transformation *tr;
+ struct point pr;
+ this_->last=this_->current;
+ graphics_overlay_disable(this_->gra, 1);
+ tr=transform_dup(this_->trans);
+ pr.x=this_->w/2;
+ pr.y=this_->h;
+#if 0
+ update_transformation(tr, &this_->pressed, &this_->current, &pr);
+#else
+ update_transformation(tr, &this_->pressed, &this_->current, NULL);
+#endif
+#if 0
+ graphics_displaylist_move(this_->displaylist, dx, dy);
+#endif
+ graphics_draw_cancel(this_->gra, this_->displaylist);
+ graphics_displaylist_draw(this_->gra, this_->displaylist, tr, this_->layout_current, 0);
+ transform_destroy(tr);
+ this_->moved=1;
+ }
+ this_->motion_timeout=NULL;
+ return;
+}
+
+void
+navit_handle_motion(struct navit *this_, struct point *p)
+{
+ int dx, dy;
+
+ if (this_->button_pressed && !this_->popped) {
+ dx=(p->x-this_->pressed.x);
+ dy=(p->y-this_->pressed.y);
+ if (dx < -8 || dx > 8 || dy < -8 || dy > 8) {
+ if (this_->button_timeout) {
+ event_remove_timeout(this_->button_timeout);
+ this_->button_timeout=NULL;
+ }
+ this_->current=*p;
+ if (! this_->motion_timeout_callback)
+ this_->motion_timeout_callback=callback_new_1(callback_cast(navit_motion_timeout), this_);
+ if (! this_->motion_timeout)
+ this_->motion_timeout=event_add_timeout(100, 0, this_->motion_timeout_callback);
+ }
+ }
+}
+
+static void
+navit_motion(void *data, struct point *p)
+{
+ struct navit *this=data;
+ if (!this->ignore_graphics_events)
+ navit_handle_motion(this, p);
+}
+
+static void
+navit_scale(struct navit *this_, long scale, struct point *p, int draw)
+{
+ struct coord c1, c2, *center;
+ if (p)
+ transform_reverse(this_->trans, p, &c1);
+ transform_set_scale(this_->trans, scale);
+ if (p) {
+ transform_reverse(this_->trans, p, &c2);
+ center = transform_center(this_->trans);
+ center->x += c1.x - c2.x;
+ center->y += c1.y - c2.y;
+ }
+ if (draw)
+ navit_draw(this_);
+}
+
+/**
+ * @brief Automatically adjusts zoom level
+ *
+ * This function automatically adjusts the current
+ * zoom level according to the current speed.
+ *
+ * @param this_ The navit struct
+ * @param center The "immovable" point - i.e. the vehicles position if we're centering on the vehicle
+ * @param speed The vehicles speed in meters per second
+ * @param dir The direction into which the vehicle moves
+ */
+static void
+navit_autozoom(struct navit *this_, struct coord *center, int speed, int draw)
+{
+ struct point pc;
+ int distance,w,h;
+ double new_scale;
+ long scale;
+
+ if (! this_->autozoom_active) {
+ return;
+ }
+
+ distance = speed * this_->autozoom_secs;
+
+ transform_get_size(this_->trans, &w, &h);
+ transform(this_->trans, transform_get_projection(this_->trans), center, &pc, 1, 0, 0, NULL);
+ scale = transform_get_scale(this_->trans);
+
+ /* We make shure that the point we want to see is within a certain range
+ * around the vehicle. The radius of this circle is the size of the
+ * screen. This doesn't necessarily mean the point is visible because of
+ * perspective etc. Quite rough, but should be enough. */
+
+ if (w > h) {
+ new_scale = (double)distance / h * 16;
+ } else {
+ new_scale = (double)distance / w * 16;
+ }
+
+ if (abs(new_scale - scale) < 2) {
+ return; // Smoothing
+ }
+
+ if (new_scale >= this_->autozoom_min) {
+ navit_scale(this_, (long)new_scale, &pc, 0);
+ } else {
+ if (scale != this_->autozoom_min) {
+ navit_scale(this_, this_->autozoom_min, &pc, 0);
+ }
+ }
+}
+
+/**
+ * Change the current zoom level, zooming closer to the ground
+ *
+ * @param navit The navit instance
+ * @param factor The zoom factor, usually 2
+ * @param p The invariant point (if set to NULL, default to center)
+ * @returns nothing
+ */
+void
+navit_zoom_in(struct navit *this_, int factor, struct point *p)
+{
+ long scale=transform_get_scale(this_->trans)/factor;
+ if (scale < 1)
+ scale=1;
+ navit_scale(this_, scale, p, 1);
+}
+
+/**
+ * Change the current zoom level
+ *
+ * @param navit The navit instance
+ * @param factor The zoom factor, usually 2
+ * @param p The invariant point (if set to NULL, default to center)
+ * @returns nothing
+ */
+void
+navit_zoom_out(struct navit *this_, int factor, struct point *p)
+{
+ long scale=transform_get_scale(this_->trans)*factor;
+ navit_scale(this_, scale, p, 1);
+}
+
+static int
+navit_cmd_zoom_in(struct navit *this_)
+{
+ struct point p;
+ if (this_->vehicle && this_->vehicle->follow_curr == 1 && navit_get_cursor_pnt(this_, &p, NULL)) {
+ navit_zoom_in(this_, 2, &p);
+ this_->vehicle->follow_curr=this_->vehicle->follow;
+ } else
+ navit_zoom_in(this_, 2, NULL);
+ return 0;
+}
+
+static int
+navit_cmd_zoom_out(struct navit *this_)
+{
+ struct point p;
+ if (this_->vehicle && this_->vehicle->follow_curr == 1 && navit_get_cursor_pnt(this_, &p, NULL)) {
+ navit_zoom_out(this_, 2, &p);
+ this_->vehicle->follow_curr=this_->vehicle->follow;
+ } else
+ navit_zoom_out(this_, 2, NULL);
+ return 0;
+}
+
+static struct command_table commands[] = {
+ {"zoom_in",command_cast(navit_cmd_zoom_in)},
+ {"zoom_out",command_cast(navit_cmd_zoom_out)},
+ {"zoom_to_route",command_cast(navit_cmd_zoom_to_route)},
+ {"set_center_cursor",command_cast(navit_cmd_set_center_cursor)},
+};
+
+
+struct navit *
+navit_new(struct attr *parent, struct attr **attrs)
+{
+ struct navit *this_=g_new0(struct navit, 1);
+ struct pcoord center;
+ struct coord co;
+ struct coord_geo g;
+ enum projection pro=projection_mg;
+ int zoom = 256;
+ g.lat=53.13;
+ g.lng=11.70;
+
+ this_->self.type=attr_navit;
+ this_->self.u.navit=this_;
+ this_->attr_cbl=callback_list_new();
+ main_add_navit(this_);
+
+ this_->bookmarks_hash=g_hash_table_new_full(g_str_hash, g_str_equal, g_free, NULL);
+
+ this_->orientation=-1;
+ this_->tracking_flag=1;
+ this_->recentdest_count=10;
+ this_->osd_configuration=-1;
+
+ this_->center_timeout = 10;
+ this_->use_mousewheel = 1;
+ this_->autozoom_secs = 10;
+ this_->autozoom_min = 7;
+ this_->autozoom_active = 0;
+ this_->follow_cursor = 1;
+
+ this_->trans = transform_new();
+ transform_from_geo(pro, &g, &co);
+ center.x=co.x;
+ center.y=co.y;
+ center.pro = pro;
+
+ transform_setup(this_->trans, &center, zoom, (this_->orientation != -1) ? this_->orientation : 0);
+ for (;*attrs; attrs++) {
+ navit_set_attr_do(this_, *attrs, 1);
+ }
+ this_->displaylist=graphics_displaylist_new();
+ command_add_table(this_->attr_cbl, commands, sizeof(commands)/sizeof(struct command_table), this_);
+
+ this_->messages = messagelist_new(attrs);
+
+ return this_;
+}
+
+static int
+navit_set_gui(struct navit *this_, struct gui *gui)
+{
+ if (this_->gui)
+ return 0;
+ this_->gui=gui;
+ if (gui_has_main_loop(this_->gui)) {
+ if (! main_loop_gui) {
+ main_loop_gui=this_->gui;
+ } else {
+ dbg(0,"gui with main loop already active, ignoring this instance");
+ return 0;
+ }
+ }
+ return 1;
+}
+
+void
+navit_add_message(struct navit *this_, char *message)
+{
+ message_new(this_->messages, message);
+}
+
+struct message
+*navit_get_messages(struct navit *this_)
+{
+ return message_get(this_->messages);
+}
+
+static int
+navit_set_graphics(struct navit *this_, struct graphics *gra)
+{
+ if (this_->gra)
+ return 0;
+ this_->gra=gra;
+ this_->resize_callback=callback_new_attr_1(callback_cast(navit_resize), attr_resize, this_);
+ graphics_add_callback(gra, this_->resize_callback);
+ this_->button_callback=callback_new_attr_1(callback_cast(navit_button), attr_button, this_);
+ graphics_add_callback(gra, this_->button_callback);
+ this_->motion_callback=callback_new_attr_1(callback_cast(navit_motion), attr_motion, this_);
+ graphics_add_callback(gra, this_->motion_callback);
+ return 1;
+}
+
+struct graphics *
+navit_get_graphics(struct navit *this_)
+{
+ return this_->gra;
+}
+
+struct vehicleprofile *
+navit_get_vehicleprofile(struct navit *this_)
+{
+ return this_->vehicleprofile;
+}
+
+GList *
+navit_get_vehicleprofiles(struct navit *this_)
+{
+ return this_->vehicleprofiles;
+}
+
+static void
+navit_projection_set(struct navit *this_, enum projection pro)
+{
+ struct coord_geo g;
+ struct coord *c;
+
+ c=transform_center(this_->trans);
+ transform_to_geo(transform_get_projection(this_->trans), c, &g);
+ transform_set_projection(this_->trans, pro);
+ transform_from_geo(pro, &g, c);
+ navit_draw(this_);
+}
+
+/**
+ * @param limit Limits the number of entries in the "backlog". Set to 0 for "infinite"
+ */
+static void
+navit_append_coord(struct navit *this_, char *file, struct pcoord *c, const char *type, const char *description, GHashTable *h, int limit)
+{
+ FILE *f;
+ int offset=0;
+ char *buffer;
+ int ch,prev,lines=0;
+ int numc,readc;
+ int fd;
+ const char *prostr;
+
+ f=fopen(file, "r");
+ if (!f)
+ goto new_file;
+ if (limit != 0) {
+ prev = '\n';
+ while ((ch = fgetc(f)) != EOF) {
+ if ((ch == '\n') && (prev != '\n')) {
+ lines++;
+ }
+ prev = ch;
+ }
+
+ if (prev != '\n') { // Last line did not end with a newline
+ lines++;
+ }
+
+ fclose(f);
+ f = fopen(file, "r+");
+ fd = fileno(f);
+ while (lines >= limit) { // We have to "scroll up"
+ rewind(f);
+ numc = 0; // Counts how many bytes we have in our line to scroll up
+ while ((ch = fgetc(f)) != EOF) {
+ numc++;
+ if (ch == '\n') {
+ break;
+ }
+ }
+
+ buffer=g_malloc(numc);
+ offset = numc; // Offset holds where we currently are
+
+ do {
+ fseek(f,offset,SEEK_SET);
+ readc = fread(buffer,1,numc,f);
+
+ fseek(f,-(numc+readc),SEEK_CUR);
+ fwrite(buffer,1,readc,f);
+
+ offset += readc;
+ } while (readc == numc);
+
+ g_free(buffer);
+ fflush(f);
+ ftruncate(fd,(offset-numc));
+#ifdef HAVE_FSYNC
+ fsync(fd);
+#endif
+
+ lines--;
+ }
+ fclose(f);
+ }
+
+new_file:
+ f=fopen(file, "a");
+ if (f) {
+ if (c) {
+ prostr = projection_to_name(c->pro,NULL);
+ fprintf(f,"%s%s%s0x%x %s0x%x type=%s label=\"%s\"\n",
+ prostr, *prostr ? ":" : "",
+ c->x >= 0 ? "":"-", c->x >= 0 ? c->x : -c->x,
+ c->y >= 0 ? "":"-", c->y >= 0 ? c->y : -c->y,
+ type, description);
+ } else
+ fprintf(f,"\n");
+ }
+ fclose(f);
+}
+
+/*
+ * navit_get_user_data_directory
+ *
+ * returns the directory used to store user data files (center.txt,
+ * destination.txt, bookmark.txt, ...)
+ *
+ * arg: gboolean create: create the directory if it does not exist
+ */
+static char*
+navit_get_user_data_directory(gboolean create) {
+ char *dir;
+ dir = getenv("NAVIT_USER_DATADIR");
+ if (create && !file_exists(dir)) {
+ dbg(0,"creating dir %s\n", dir);
+ if (file_mkdir(dir,0)) {
+ dbg(0,"failed creating dir %s\n", dir);
+ return NULL;
+ }
+ }
+
+ return dir;
+}
+
+/*
+ * navit_get_destination_file
+ *
+ * returns the name of the file used to store destinations with its
+ * full path
+ *
+ * arg: gboolean create: create the directory where the file is stored
+ * if it does not exist
+ */
+static char*
+navit_get_destination_file(gboolean create)
+{
+ return g_strjoin(NULL, navit_get_user_data_directory(create), "/destination.txt", NULL);
+}
+
+/*
+ * navit_get_bookmark_file
+ *
+ * returns the name of the file used to store bookmarks with its
+ * full path
+ *
+ * arg: gboolean create: create the directory where the file is stored
+ * if it does not exist
+ */
+static char*
+navit_get_bookmark_file(gboolean create)
+{
+ return g_strjoin(NULL, navit_get_user_data_directory(create), "/bookmark.txt", NULL);
+}
+
+
+/*
+ * navit_get_bookmark_file
+ *
+ * returns the name of the file used to store the center file with its
+ * full path
+ *
+ * arg: gboolean create: create the directory where the file is stored
+ * if it does not exist
+ */
+static char*
+navit_get_center_file(gboolean create)
+{
+ return g_strjoin(NULL, navit_get_user_data_directory(create), "/center.txt", NULL);
+}
+
+static void
+navit_set_center_from_file(struct navit *this_, char *file)
+{
+ FILE *f;
+ char *line = NULL;
+
+ size_t line_size = 0;
+ enum projection pro;
+ struct coord *center;
+
+ f = fopen(file, "r");
+ if (! f)
+ return;
+ getline(&line, &line_size, f);
+ fclose(f);
+ if (line) {
+ center = transform_center(this_->trans);
+ pro = transform_get_projection(this_->trans);
+ coord_parse(g_strchomp(line), pro, center);
+ free(line);
+ }
+ return;
+}
+
+static void
+navit_write_center_to_file(struct navit *this_, char *file)
+{
+ FILE *f;
+ enum projection pro;
+ struct coord *center;
+
+ f = fopen(file, "w+");
+ if (f) {
+ center = transform_center(this_->trans);
+ pro = transform_get_projection(this_->trans);
+ coord_print(pro, center, f);
+ fclose(f);
+ } else {
+ perror(file);
+ }
+ return;
+}
+
+
+/**
+ * Start the route computing to a given set of coordinates
+ *
+ * @param navit The navit instance
+ * @param c The coordinate to start routing to
+ * @param description A label which allows the user to later identify this destination in the former destinations selection
+ * @returns nothing
+ */
+void
+navit_set_destination(struct navit *this_, struct pcoord *c, const char *description, int async)
+{
+ if (c) {
+ this_->destination=*c;
+ this_->destination_valid=1;
+ } else
+ this_->destination_valid=0;
+ char *destination_file = navit_get_destination_file(TRUE);
+ navit_append_coord(this_, destination_file, c, "former_destination", description, NULL, this_->recentdest_count);
+ g_free(destination_file);
+ callback_list_call_attr_0(this_->attr_cbl, attr_destination);
+ if (this_->route) {
+ route_set_destination(this_->route, c, async);
+
+ if (this_->ready == 3)
+ navit_draw(this_);
+ }
+}
+
+/**
+ * @brief Checks if a route is calculated
+ *
+ * This function checks if a route is calculated.
+ *
+ * @param this_ The navit struct whose route should be checked.
+ * @return True if the route is set, false otherwise.
+ */
+int
+navit_check_route(struct navit *this_)
+{
+ if (this_->route) {
+ return route_get_path_set(this_->route);
+ }
+
+ return 0;
+}
+
+/**
+ * Record the given set of coordinates as a bookmark
+ *
+ * @param navit The navit instance
+ * @param c The coordinate to store
+ * @param description A label which allows the user to later identify this bookmark
+ * @returns nothing
+ */
+void
+navit_add_bookmark(struct navit *this_, struct pcoord *c, const char *description)
+{
+ char *bookmark_file = navit_get_bookmark_file(TRUE);
+ navit_append_coord(this_,bookmark_file, c, "bookmark", description, this_->bookmarks_hash,0);
+ g_free(bookmark_file);
+
+ callback_list_call_attr_0(this_->attr_cbl, attr_bookmark_map);
+}
+
+struct navit *global_navit;
+
+static void
+navit_add_bookmarks_from_file(struct navit *this_)
+{
+ char *bookmark_file = navit_get_bookmark_file(FALSE);
+ struct attr parent={attr_navit, .u.navit=this_};
+ struct attr type={attr_type, {"textfile"}}, data={attr_data, {bookmark_file}};
+ struct attr *attrs[]={&type, &data, NULL};
+
+ this_->bookmark=map_new(&parent, attrs);
+ g_free(bookmark_file);
+}
+
+static int
+navit_former_destinations_active(struct navit *this_)
+{
+ char *destination_file = navit_get_destination_file(FALSE);
+ FILE *f;
+ int active=0;
+ char buffer[3];
+ f=fopen(destination_file,"r");
+ if (f) {
+ if(!fseek(f, -2, SEEK_END) && fread(buffer, 2, 1, f) == 1 && (buffer[0]!='\n' || buffer[1]!='\n'))
+ active=1;
+ fclose(f);
+ }
+ g_free(destination_file);
+ return active;
+}
+
+static void
+navit_add_former_destinations_from_file(struct navit *this_)
+{
+ char *destination_file = navit_get_destination_file(FALSE);
+ struct attr parent={attr_navit, .u.navit=this_};
+ struct attr type={attr_type, {"textfile"}}, data={attr_data, {destination_file}};
+ struct attr *attrs[]={&type, &data, NULL};
+ struct map_rect *mr;
+ struct item *item;
+ int valid=0;
+ struct coord c;
+ struct pcoord pc;
+
+ this_->former_destination=map_new(&parent, attrs);
+ g_free(destination_file);
+ if (!this_->route || !navit_former_destinations_active(this_))
+ return;
+ mr=map_rect_new(this_->former_destination, NULL);
+ while ((item=map_rect_get_item(mr))) {
+ if (item->type == type_former_destination && item_coord_get(item, &c, 1))
+ valid=1;
+ }
+ map_rect_destroy(mr);
+ pc.pro=map_projection(this_->former_destination);
+ pc.x=c.x;
+ pc.y=c.y;
+ if (valid) {
+ route_set_destination(this_->route, &pc, 1);
+ this_->destination=pc;
+ this_->destination_valid=1;
+ }
+}
+
+
+void
+navit_textfile_debug_log(struct navit *this_, const char *fmt, ...)
+{
+ va_list ap;
+ char *str1,*str2;
+ va_start(ap, fmt);
+ if (this_->textfile_debug_log && this_->vehicle) {
+ str1=g_strdup_vprintf(fmt, ap);
+ str2=g_strdup_printf("0x%x 0x%x%s%s\n", this_->vehicle->coord.x, this_->vehicle->coord.y, strlen(str1) ? " " : "", str1);
+ log_write(this_->textfile_debug_log, str2, strlen(str2));
+ g_free(str2);
+ g_free(str1);
+ }
+ va_end(ap);
+}
+
+int
+navit_speech_estimate(struct navit *this_, char *str)
+{
+ return speech_estimate_duration(this_->speech, str);
+}
+
+void
+navit_say(struct navit *this_, char *text)
+{
+ speech_say(this_->speech, text);
+}
+
+/**
+ * @brief Toggles the navigation announcer for navit
+ * @param this_ The navit object
+ */
+void
+navit_announcer_toggle(struct navit *this_)
+{
+ struct attr attr, speechattr;
+
+ // search for the speech attribute
+ if(!navit_get_attr(this_, attr_speech, &speechattr, NULL))
+ return;
+ // find out if the corresponding attribute attr_active has been set
+ if(speech_get_attr(speechattr.u.speech, attr_active, &attr, NULL)) {
+ // flip it then...
+ attr.u.num = !attr.u.num;
+ } else {
+ // otherwise disable it because voice is enabled by default
+ attr.type = attr_active;
+ attr.u.num = 0;
+ }
+
+ // apply the new state
+ if(!speech_set_attr(speechattr.u.speech, &attr))
+ return;
+
+ // announce that the speech attribute has changed
+ callback_list_call_attr_0(this_->attr_cbl, attr_speech);
+}
+
+void
+navit_speak(struct navit *this_)
+{
+ struct navigation *nav=this_->navigation;
+ struct map *map=NULL;
+ struct map_rect *mr=NULL;
+ struct item *item;
+ struct attr attr;
+
+ if (!speech_get_attr(this_->speech, attr_active, &attr, NULL))
+ attr.u.num = 1;
+ dbg(1, "this_.speech->active %i\n", attr.u.num);
+ if(!attr.u.num)
+ return;
+
+ if (nav)
+ map=navigation_get_map(nav);
+ if (map)
+ mr=map_rect_new(map, NULL);
+ if (mr) {
+ while ((item=map_rect_get_item(mr)) && (item->type == type_nav_position || item->type == type_nav_none));
+ if (item && item_attr_get(item, attr_navigation_speech, &attr)) {
+ speech_say(this_->speech, attr.u.str);
+ navit_add_message(this_, attr.u.str);
+ navit_textfile_debug_log(this_, "type=announcement label=\"%s\"", attr.u.str);
+ }
+ map_rect_destroy(mr);
+ }
+}
+
+static void
+navit_window_roadbook_update(struct navit *this_)
+{
+ struct navigation *nav=this_->navigation;
+ struct map *map=NULL;
+ struct map_rect *mr=NULL;
+ struct item *item;
+ struct attr attr;
+ struct param_list param[5];
+ int secs;
+
+ dbg(1,"enter\n");
+ datawindow_mode(this_->roadbook_window, 1);
+ if (nav)
+ map=navigation_get_map(nav);
+ if (map)
+ mr=map_rect_new(map, NULL);
+ dbg(0,"nav=%p map=%p mr=%p\n", nav, map, mr);
+ if (mr) {
+ dbg(0,"while loop\n");
+ while ((item=map_rect_get_item(mr))) {
+ dbg(0,"item=%p\n", item);
+ attr.u.str=NULL;
+ if (item->type != type_nav_position) {
+ item_attr_get(item, attr_navigation_long, &attr);
+ if (attr.u.str == NULL) {
+ continue;
+ }
+ dbg(2, "Command='%s'\n", attr.u.str);
+ param[0].value=g_strdup(attr.u.str);
+ } else
+ param[0].value=_("Position");
+ param[0].name=_("Command");
+
+ item_attr_get(item, attr_length, &attr);
+ dbg(2, "Length=%d\n", attr.u.num);
+ param[1].name=_("Length");
+
+ if ( attr.u.num >= 2000 )
+ {
+ param[1].value=g_strdup_printf("%5.1f %s",(float)attr.u.num / 1000, _("km") );
+ }
+ else
+ {
+ param[1].value=g_strdup_printf("%7d %s",attr.u.num, _("m"));
+ }
+
+ item_attr_get(item, attr_time, &attr);
+ dbg(2, "Time=%d\n", attr.u.num);
+ secs=attr.u.num/10;
+ param[2].name=_("Time");
+ if ( secs >= 3600 )
+ {
+ param[2].value=g_strdup_printf("%d:%02d:%02d",secs / 60, ( secs / 60 ) % 60 , secs % 60);
+ }
+ else
+ {
+ param[2].value=g_strdup_printf("%d:%02d",secs / 60, secs % 60);
+ }
+
+ item_attr_get(item, attr_destination_length, &attr);
+ dbg(2, "Destlength=%d\n", attr.u.num);
+ param[3].name=_("Destination Length");
+ if ( attr.u.num >= 2000 )
+ {
+ param[3].value=g_strdup_printf("%5.1f %s",(float)attr.u.num / 1000, _("km") );
+ }
+ else
+ {
+ param[3].value=g_strdup_printf("%d %s",attr.u.num, _("m"));
+ }
+
+ item_attr_get(item, attr_destination_time, &attr);
+ dbg(2, "Desttime=%d\n", attr.u.num);
+ secs=attr.u.num/10;
+ param[4].name=_("Destination Time");
+ if ( secs >= 3600 )
+ {
+ param[4].value=g_strdup_printf("%d:%02d:%02d",secs / 3600, (secs / 60 ) % 60 , secs % 60);
+ }
+ else
+ {
+ param[4].value=g_strdup_printf("%d:%02d",secs / 60, secs % 60);
+ }
+ datawindow_add(this_->roadbook_window, param, 5);
+ }
+ map_rect_destroy(mr);
+ }
+ datawindow_mode(this_->roadbook_window, 0);
+}
+
+void
+navit_window_roadbook_destroy(struct navit *this_)
+{
+ dbg(0, "enter\n");
+ navigation_unregister_callback(this_->navigation, attr_navigation_long, this_->roadbook_callback);
+ this_->roadbook_window=NULL;
+ this_->roadbook_callback=NULL;
+}
+void
+navit_window_roadbook_new(struct navit *this_)
+{
+ if (!this_->gui || this_->roadbook_callback || this_->roadbook_window) {
+ return;
+ }
+
+ this_->roadbook_callback=callback_new_1(callback_cast(navit_window_roadbook_update), this_);
+ navigation_register_callback(this_->navigation, attr_navigation_long, this_->roadbook_callback);
+ this_->roadbook_window=gui_datawindow_new(this_->gui, _("Roadbook"), NULL, callback_new_1(callback_cast(navit_window_roadbook_destroy), this_));
+ navit_window_roadbook_update(this_);
+}
+
+void
+navit_init(struct navit *this_)
+{
+ struct mapset *ms;
+ struct map *map;
+
+ dbg(2,"enter gui %p graphics %p\n",this_->gui,this_->gra);
+ if (!this_->gui) {
+ dbg(0,"no gui\n");
+ navit_destroy(this_);
+ return;
+ }
+ if (!this_->gra) {
+ dbg(0,"no graphics\n");
+ navit_destroy(this_);
+ return;
+ }
+ dbg(2,"Connecting gui to graphics\n");
+ if (gui_set_graphics(this_->gui, this_->gra)) {
+ struct attr attr_type_gui, attr_type_graphics;
+ gui_get_attr(this_->gui, attr_type, &attr_type_gui, NULL);
+ graphics_get_attr(this_->gra, attr_type, &attr_type_graphics, NULL);
+ dbg(0,"failed to connect graphics '%s' to gui '%s'\n", attr_type_graphics.u.str, attr_type_gui.u.str);
+ dbg(0," Please see http://wiki.navit-project.org/index.php/Failed_to_connect_graphics_to_gui\n");
+ dbg(0," for explanations and solutions\n");
+
+ navit_destroy(this_);
+ return;
+ }
+ dbg(2,"Initializing graphics\n");
+ graphics_init(this_->gra);
+ dbg(2,"Setting Vehicle\n");
+ navit_set_vehicle(this_, this_->vehicle);
+ dbg(2,"Adding dynamic maps to mapset %p\n",this_->mapsets);
+ if (this_->mapsets) {
+ ms=this_->mapsets->data;
+ if (this_->route) {
+ if ((map=route_get_map(this_->route)))
+ mapset_add_attr(ms, &(struct attr){attr_map,.u.map=map});
+ if ((map=route_get_graph_map(this_->route))) {
+ mapset_add_attr(ms, &(struct attr){attr_map,.u.map=map});
+ map_set_attr(map, &(struct attr ){attr_active,.u.num=0});
+ }
+ route_set_mapset(this_->route, ms);
+ route_set_projection(this_->route, transform_get_projection(this_->trans));
+ }
+ if (this_->tracking) {
+ tracking_set_mapset(this_->tracking, ms);
+ if (this_->route)
+ tracking_set_route(this_->tracking, this_->route);
+ }
+ if (this_->navigation) {
+ if ((map=navigation_get_map(this_->navigation))) {
+ mapset_add_attr(ms, &(struct attr){attr_map,.u.map=map});
+ map_set_attr(map, &(struct attr ){attr_active,.u.num=0});
+ }
+ }
+ if (this_->tracking) {
+ if ((map=tracking_get_map(this_->tracking))) {
+ mapset_add_attr(ms, &(struct attr){attr_map,.u.map=map});
+ map_set_attr(map, &(struct attr ){attr_active,.u.num=0});
+ }
+ }
+ navit_add_bookmarks_from_file(this_);
+ navit_add_former_destinations_from_file(this_);
+ }
+ if (this_->route) {
+ struct attr callback;
+ this_->route_cb=callback_new_attr_1(callback_cast(navit_redraw_route), attr_route_status, this_);
+ callback.type=attr_callback;
+ callback.u.callback=this_->route_cb;
+ route_add_attr(this_->route, &callback);
+ }
+ if (this_->navigation) {
+ if (this_->speech) {
+ this_->nav_speech_cb=callback_new_1(callback_cast(navit_speak), this_);
+ navigation_register_callback(this_->navigation, attr_navigation_speech, this_->nav_speech_cb);
+ }
+ if (this_->route)
+ navigation_set_route(this_->navigation, this_->route);
+ }
+ dbg(2,"Setting Center\n");
+ char *center_file = navit_get_center_file(FALSE);
+ navit_set_center_from_file(this_, center_file);
+ g_free(center_file);
+#if 0
+ if (this_->menubar) {
+ men=menu_add(this_->menubar, "Data", menu_type_submenu, NULL);
+ if (men) {
+ navit_add_menu_windows_items(this_, men);
+ }
+ }
+#endif
+ global_navit=this_;
+#if 0
+ navit_window_roadbook_new(this_);
+ navit_window_items_new(this_);
+#endif
+ callback_list_call_attr_1(this_->attr_cbl, attr_navit, this_);
+ this_->ready|=1;
+
+ messagelist_init(this_->messages);
+
+ dbg(2,"ready=%d\n",this_->ready);
+ if (this_->ready == 3)
+ navit_draw(this_);
+}
+
+void
+navit_zoom_to_route(struct navit *this_, int orientation)
+{
+ struct map *map;
+ struct map_rect *mr=NULL;
+ struct item *item;
+ struct coord c;
+ struct coord_rect r;
+ int count=0,scale=16;
+ if (! this_->route)
+ return;
+ dbg(1,"enter\n");
+ map=route_get_map(this_->route);
+ dbg(1,"map=%p\n",map);
+ if (map)
+ mr=map_rect_new(map, NULL);
+ dbg(1,"mr=%p\n",mr);
+ if (mr) {
+ while ((item=map_rect_get_item(mr))) {
+ dbg(1,"item=%s\n", item_to_name(item->type));
+ while (item_coord_get(item, &c, 1)) {
+ dbg(1,"coord\n");
+ if (!count)
+ r.lu=r.rl=c;
+ else
+ coord_rect_extend(&r, &c);
+ count++;
+ }
+ }
+ }
+ if (! count)
+ return;
+ c.x=(r.rl.x+r.lu.x)/2;
+ c.y=(r.rl.y+r.lu.y)/2;
+ dbg(1,"count=%d\n",count);
+ if (orientation != -1)
+ transform_set_yaw(this_->trans, orientation);
+ transform_set_center(this_->trans, &c);
+ dbg(1,"%x,%x-%x,%x\n", r.rl.x,r.rl.y,r.lu.x,r.lu.y);
+ while (scale < 1<<20) {
+ struct point p1,p2;
+ transform_set_scale(this_->trans, scale);
+ transform_setup_source_rect(this_->trans);
+ transform(this_->trans, transform_get_projection(this_->trans), &r.lu, &p1, 1, 0, 0, NULL);
+ transform(this_->trans, transform_get_projection(this_->trans), &r.rl, &p2, 1, 0, 0, NULL);
+ dbg(1,"%d,%d-%d,%d\n",p1.x,p1.y,p2.x,p2.y);
+ if (p1.x < 0 || p2.x < 0 || p1.x > this_->w || p2.x > this_->w ||
+ p1.y < 0 || p2.y < 0 || p1.y > this_->h || p2.y > this_->h)
+ scale*=2;
+ else
+ break;
+
+ }
+ if (this_->ready == 3)
+ navit_draw_async(this_,0);
+}
+
+static void
+navit_cmd_zoom_to_route(struct navit *this)
+{
+ navit_zoom_to_route(this, 0);
+}
+
+
+/**
+ * Change the current zoom level
+ *
+ * @param navit The navit instance
+ * @param center The point where to center the map, including its projection
+ * @returns nothing
+ */
+void
+navit_set_center(struct navit *this_, struct pcoord *center, int set_timeout)
+{
+ struct coord *c=transform_center(this_->trans);
+ struct coord c1,c2;
+ enum projection pro = transform_get_projection(this_->trans);
+ if (pro != center->pro) {
+ c1.x = center->x;
+ c1.y = center->y;
+ transform_from_to(&c1, center->pro, &c2, pro);
+ } else {
+ c2.x = center->x;
+ c2.y = center->y;
+ }
+ *c=c2;
+ if (set_timeout)
+ navit_set_timeout(this_);
+ if (this_->ready == 3)
+ navit_draw(this_);
+}
+
+static void
+navit_set_center_coord_screen(struct navit *this_, struct coord *c, struct point *p, int set_timeout)
+{
+ int width, height;
+ struct point po;
+ transform_set_center(this_->trans, c);
+ transform_get_size(this_->trans, &width, &height);
+ po.x=width/2;
+ po.y=height/2;
+ update_transformation(this_->trans, &po, p, NULL);
+ if (set_timeout)
+ navit_set_timeout(this_);
+}
+
+static int
+navit_get_cursor_pnt(struct navit *this_, struct point *p, int *dir)
+{
+ int width, height;
+ struct navit_vehicle *nv=this_->vehicle;
+ transform_get_size(this_->trans, &width, &height);
+ if (this_->orientation == -1) {
+ p->x=50*width/100;
+ p->y=80*height/100;
+ if (dir)
+ *dir=nv->dir;
+ } else {
+ int mdir;
+ if (this_->tracking && this_->tracking_flag) {
+ mdir = tracking_get_angle(this_->tracking) - this_->orientation;
+ } else {
+ mdir=nv->dir-this_->orientation;
+ }
+
+ p->x=(50 - 30.*sin(M_PI*mdir/180.))*width/100;
+ p->y=(50 + 30.*cos(M_PI*mdir/180.))*height/100;
+ if (dir)
+ *dir=this_->orientation;
+ }
+ return 1;
+}
+
+static void
+navit_set_center_cursor(struct navit *this_)
+{
+ int dir;
+ struct point pn;
+ struct navit_vehicle *nv=this_->vehicle;
+ navit_get_cursor_pnt(this_, &pn, &dir);
+ transform_set_yaw(this_->trans, dir);
+ navit_set_center_coord_screen(this_, &nv->coord, &pn, 0);
+ navit_autozoom(this_, &nv->coord, nv->speed, 0);
+ if (this_->ready == 3)
+ navit_draw_async(this_, 1);
+}
+
+static void
+navit_cmd_set_center_cursor(struct navit *this_)
+{
+ navit_set_center_cursor(this_);
+}
+
+void
+navit_set_center_screen(struct navit *this_, struct point *p, int set_timeout)
+{
+ struct coord c;
+ struct pcoord pc;
+ transform_reverse(this_->trans, p, &c);
+ pc.x = c.x;
+ pc.y = c.y;
+ pc.pro = transform_get_projection(this_->trans);
+ navit_set_center(this_, &pc, set_timeout);
+}
+
+#if 0
+ switch((*attrs)->type) {
+ case attr_zoom:
+ zoom=(*attrs)->u.num;
+ break;
+ case attr_center:
+ g=*((*attrs)->u.coord_geo);
+ break;
+#endif
+
+static int
+navit_set_attr_do(struct navit *this_, struct attr *attr, int init)
+{
+ int dir=0, orient_old=0, attr_updated=0;
+ struct coord co;
+ long zoom;
+ GList *l;
+ struct navit_vehicle *nv;
+ struct attr active=(struct attr){attr_active,{(void *)0}};
+
+ switch (attr->type) {
+ case attr_autozoom:
+ attr_updated=(this_->autozoom_secs != attr->u.num);
+ this_->autozoom_secs = attr->u.num;
+ break;
+ case attr_autozoom_active:
+ attr_updated=(this_->autozoom_active != attr->u.num);
+ this_->autozoom_active = attr->u.num;
+ break;
+ case attr_center:
+ transform_from_geo(transform_get_projection(this_->trans), attr->u.coord_geo, &co);
+ dbg(1,"0x%x,0x%x\n",co.x,co.y);
+ transform_set_center(this_->trans, &co);
+ break;
+ case attr_drag_bitmap:
+ attr_updated=(this_->drag_bitmap != !!attr->u.num);
+ this_->drag_bitmap=!!attr->u.num;
+ break;
+ case attr_follow:
+ if (!this_->vehicle)
+ return 0;
+ attr_updated=(this_->vehicle->follow_curr != attr->u.num);
+ this_->vehicle->follow_curr = attr->u.num;
+ break;
+ case attr_layout:
+ if(this_->layout_current!=attr->u.layout) {
+ this_->layout_current=attr->u.layout;
+ graphics_font_destroy_all(this_->gra);
+ navit_draw(this_);
+ attr_updated=1;
+ }
+ break;
+ case attr_orientation:
+ orient_old=this_->orientation;
+ this_->orientation=attr->u.num;
+ if (!init) {
+ if (this_->orientation != -1) {
+ dir = this_->orientation;
+ } else {
+ if (this_->vehicle) {
+ dir = this_->vehicle->dir;
+ }
+ }
+ transform_set_yaw(this_->trans, dir);
+ if (orient_old != this_->orientation) {
+ if (this_->ready == 3)
+ navit_draw(this_);
+ attr_updated=1;
+ }
+ }
+ break;
+ case attr_osd_configuration:
+ dbg(0,"setting osd_configuration to %d (was %d)\n", attr->u.num, this_->osd_configuration);
+ attr_updated=(this_->osd_configuration != attr->u.num);
+ this_->osd_configuration=attr->u.num;
+ break;
+ case attr_pitch:
+ attr_updated=(this_->pitch != attr->u.num);
+ this_->pitch=attr->u.num;
+ transform_set_pitch(this_->trans, this_->pitch);
+ if (!init && attr_updated && this_->ready == 3)
+ navit_draw(this_);
+ break;
+ case attr_projection:
+ if(this_->trans && transform_get_projection(this_->trans) != attr->u.projection) {
+ navit_projection_set(this_, attr->u.projection);
+ attr_updated=1;
+ }
+ break;
+ case attr_recent_dest:
+ attr_updated=(this_->recentdest_count != attr->u.num);
+ this_->recentdest_count=attr->u.num;
+ break;
+ case attr_speech:
+ if(this_->speech && this_->speech != attr->u.speech) {
+ attr_updated=1;
+ this_->speech = attr->u.speech;
+ }
+ break;
+ case attr_timeout:
+ attr_updated=(this_->center_timeout != attr->u.num);
+ this_->center_timeout = attr->u.num;
+ break;
+ case attr_tracking:
+ attr_updated=(this_->tracking_flag != !!attr->u.num);
+ this_->tracking_flag=!!attr->u.num;
+ break;
+ case attr_use_mousewheel:
+ attr_updated=(this_->use_mousewheel != !!attr->u.num);
+ this_->use_mousewheel=!!attr->u.num;
+ break;
+ case attr_vehicle:
+ l=this_->vehicles;
+ while(l) {
+ nv=l->data;
+ if (nv->vehicle == attr->u.vehicle) {
+ if (!this_->vehicle || this_->vehicle->vehicle != attr->u.vehicle) {
+ if (this_->vehicle)
+ vehicle_set_attr(this_->vehicle->vehicle, &active, NULL);
+ active.u.num=1;
+ vehicle_set_attr(nv->vehicle, &active, NULL);
+ attr_updated=1;
+ }
+ navit_set_vehicle(this_, nv);
+ }
+ l=g_list_next(l);
+ }
+ break;
+ case attr_zoom:
+ zoom=transform_get_scale(this_->trans);
+ attr_updated=(zoom != attr->u.num);
+ transform_set_scale(this_->trans, attr->u.num);
+ if (attr_updated && !init)
+ navit_draw(this_);
+ break;
+ case attr_message:
+ navit_add_message(this_, attr->u.str);
+ break;
+ case attr_follow_cursor:
+ attr_updated=(this_->follow_cursor != !!attr->u.num);
+ this_->follow_cursor=!!attr->u.num;
+ break;
+ default:
+ return 0;
+ }
+ if (attr_updated && !init) {
+ callback_list_call_attr_2(this_->attr_cbl, attr->type, this_, attr);
+ if (attr->type == attr_osd_configuration)
+ graphics_draw_mode(this_->gra, draw_mode_end);
+ }
+ return 1;
+}
+
+int
+navit_set_attr(struct navit *this_, struct attr *attr)
+{
+ return navit_set_attr_do(this_, attr, 0);
+}
+
+int
+navit_get_attr(struct navit *this_, enum attr_type type, struct attr *attr, struct attr_iter *iter)
+{
+ struct message *msg;
+ int len,offset;
+ int ret=1;
+
+ switch (type) {
+ case attr_message:
+ msg = navit_get_messages(this_);
+
+ if (!msg) {
+ return 0;
+ }
+
+ len = 0;
+ while (msg) {
+ len += strlen(msg->text) + 1;
+ msg = msg->next;
+ }
+ attr->u.str = g_malloc(len + 1);
+
+ msg = navit_get_messages(this_);
+ offset = 0;
+ while (msg) {
+ g_stpcpy((attr->u.str + offset), msg->text);
+ offset += strlen(msg->text);
+ attr->u.str[offset] = '\n';
+ offset++;
+
+ msg = msg->next;
+ }
+
+ attr->u.str[len] = '\0';
+ break;
+ case attr_bookmark_map:
+ attr->u.map=this_->bookmark;
+ break;
+ case attr_callback_list:
+ attr->u.callback_list=this_->attr_cbl;
+ break;
+ case attr_destination:
+ if (! this_->destination_valid)
+ return 0;
+ attr->u.pcoord=&this_->destination;
+ break;
+ case attr_displaylist:
+ attr->u.displaylist=this_->displaylist;
+ return (attr->u.displaylist != NULL);
+ case attr_former_destination_map:
+ attr->u.map=this_->former_destination;
+ break;
+ case attr_graphics:
+ attr->u.graphics=this_->gra;
+ ret=(attr->u.graphics != NULL);
+ break;
+ case attr_gui:
+ attr->u.gui=this_->gui;
+ ret=(attr->u.gui != NULL);
+ break;
+ case attr_layout:
+ if (iter) {
+ if (iter->u.list) {
+ iter->u.list=g_list_next(iter->u.list);
+ } else {
+ iter->u.list=this_->layouts;
+ }
+ if (!iter->u.list)
+ return 0;
+ attr->u.layout=(struct layout *)iter->u.list->data;
+ } else {
+ attr->u.layout=this_->layout_current;
+ }
+ break;
+ case attr_map:
+ if (iter && this_->mapsets) {
+ if (!iter->u.mapset_handle) {
+ iter->u.mapset_handle=mapset_open((struct mapset *)this_->mapsets->data);
+ }
+ attr->u.map=mapset_next(iter->u.mapset_handle, 0);
+ if(!attr->u.map) {
+ mapset_close(iter->u.mapset_handle);
+ return 0;
+ }
+ } else {
+ return 0;
+ }
+ break;
+ case attr_mapset:
+ attr->u.mapset=this_->mapsets->data;
+ return (attr->u.mapset != NULL);
+ case attr_navigation:
+ attr->u.navigation=this_->navigation;
+ break;
+ case attr_orientation:
+ attr->u.num=this_->orientation;
+ break;
+ case attr_osd_configuration:
+ attr->u.num=this_->osd_configuration;
+ break;
+ case attr_projection:
+ if(this_->trans) {
+ attr->u.num=transform_get_projection(this_->trans);
+ } else {
+ return 0;
+ }
+ break;
+ case attr_route:
+ attr->u.route=this_->route;
+ break;
+ case attr_speech:
+ attr->u.speech=this_->speech;
+ break;
+ case attr_tracking:
+ attr->u.num=this_->tracking_flag;
+ break;
+ case attr_transformation:
+ attr->u.transformation=this_->trans;
+ break;
+ case attr_vehicle:
+ if(iter) {
+ if(iter->u.list) {
+ iter->u.list=g_list_next(iter->u.list);
+ } else {
+ iter->u.list=this_->vehicles;
+ }
+ if(!iter->u.list)
+ return 0;
+ attr->u.vehicle=((struct navit_vehicle*)iter->u.list->data)->vehicle;
+ } else {
+ if(this_->vehicle) {
+ attr->u.vehicle=this_->vehicle->vehicle;
+ } else {
+ return 0;
+ }
+ }
+ break;
+ case attr_zoom:
+ attr->u.num=transform_get_scale(this_->trans);
+ break;
+ case attr_autozoom_active:
+ attr->u.num=this_->autozoom_active;
+ break;
+ case attr_follow_cursor:
+ attr->u.num=this_->follow_cursor;
+ break;
+ default:
+ return 0;
+ }
+ attr->type=type;
+ return ret;
+}
+
+static int
+navit_add_log(struct navit *this_, struct log *log)
+{
+ struct attr type_attr;
+ if (!log_get_attr(log, attr_type, &type_attr, NULL))
+ return 0;
+ if (!strcmp(type_attr.u.str, "textfile_debug")) {
+ char *header = "type=track_tracked\n";
+ if (this_->textfile_debug_log)
+ return 0;
+ log_set_header(log, header, strlen(header));
+ this_->textfile_debug_log=log;
+ return 1;
+ }
+ return 0;
+}
+
+int
+navit_add_attr(struct navit *this_, struct attr *attr)
+{
+ int ret=1;
+ switch (attr->type) {
+ case attr_callback:
+ navit_add_callback(this_, attr->u.callback);
+ break;
+ case attr_log:
+ ret=navit_add_log(this_, attr->u.log);
+ break;
+ case attr_gui:
+ ret=navit_set_gui(this_, attr->u.gui);
+ break;
+ case attr_graphics:
+ ret=navit_set_graphics(this_, attr->u.graphics);
+ break;
+ case attr_layout:
+ this_->layouts = g_list_append(this_->layouts, attr->u.layout);
+ if(!this_->layout_current)
+ this_->layout_current=attr->u.layout;
+ break;
+ case attr_route:
+ this_->route=attr->u.route;
+ break;
+ case attr_mapset:
+ this_->mapsets = g_list_append(this_->mapsets, attr->u.mapset);
+ break;
+ case attr_navigation:
+ this_->navigation=attr->u.navigation;
+ break;
+ case attr_recent_dest:
+ this_->recentdest_count = attr->u.num;
+ break;
+ case attr_speech:
+ this_->speech=attr->u.speech;
+ break;
+ case attr_tracking:
+ this_->tracking=attr->u.tracking;
+ break;
+ case attr_vehicle:
+ ret=navit_add_vehicle(this_, attr->u.vehicle);
+ break;
+ case attr_vehicleprofile:
+ this_->vehicleprofiles=g_list_prepend(this_->vehicleprofiles, attr->u.vehicleprofile);
+ break;
+ case attr_autozoom_min:
+ this_->autozoom_min = attr->u.num;
+ break;
+ default:
+ return 0;
+ }
+ callback_list_call_attr_2(this_->attr_cbl, attr->type, this_, attr);
+ return ret;
+}
+
+int
+navit_remove_attr(struct navit *this_, struct attr *attr)
+{
+ int ret=1;
+ switch (attr->type) {
+ case attr_callback:
+ navit_remove_callback(this_, attr->u.callback);
+ break;
+ default:
+ return 0;
+ }
+ return ret;
+}
+
+struct attr_iter *
+navit_attr_iter_new()
+{
+ return g_new0(struct attr_iter, 1);
+}
+
+void
+navit_attr_iter_destroy(struct attr_iter *iter)
+{
+ g_free(iter);
+}
+
+void
+navit_add_callback(struct navit *this_, struct callback *cb)
+{
+ callback_list_add(this_->attr_cbl, cb);
+}
+
+void
+navit_remove_callback(struct navit *this_, struct callback *cb)
+{
+ callback_list_remove(this_->attr_cbl, cb);
+}
+
+/**
+ * Toggle the cursor update : refresh the map each time the cursor has moved (instead of only when it reaches a border)
+ *
+ * @param navit The navit instance
+ * @returns nothing
+ */
+
+static void
+navit_vehicle_draw(struct navit *this_, struct navit_vehicle *nv, struct point *pnt)
+{
+ struct point cursor_pnt;
+ enum projection pro;
+ struct attr cursor;
+
+ if (this_->blocked)
+ return;
+ if (! vehicle_get_attr(nv->vehicle, attr_cursor, &cursor, NULL))
+ return;
+ if (! cursor.u.cursor)
+ return;
+ if (pnt)
+ cursor_pnt=*pnt;
+ else {
+ pro=transform_get_projection(this_->trans);
+ transform(this_->trans, pro, &nv->coord, &cursor_pnt, 1, 0, 0, NULL);
+ }
+ cursor_draw(cursor.u.cursor, this_->gra, &cursor_pnt, pnt ? 0:1, nv->dir-transform_get_yaw(this_->trans), nv->speed);
+#if 0
+ if (pnt)
+ pnt2=*pnt;
+ else {
+ pro=transform_get_projection(this_->trans);
+ transform(this_->trans, pro, &nv->coord, &pnt2, 1);
+ }
+#if 1
+ cursor_draw(nv->cursor, &pnt2, nv->dir-transform_get_angle(this_->trans, 0), nv->speed > 2, pnt == NULL);
+#else
+ cursor_draw(nv->cursor, &pnt2, nv->dir-transform_get_angle(this_->trans, 0), nv->speed > 2, 1);
+#endif
+#endif
+}
+
+static void
+navit_vehicle_update(struct navit *this_, struct navit_vehicle *nv)
+{
+ struct attr attr_valid, attr_dir, attr_speed, attr_pos;
+ struct pcoord cursor_pc;
+ struct point cursor_pnt, *pnt=&cursor_pnt;
+ struct tracking *tracking=NULL;
+ enum projection pro=transform_get_projection(this_->trans);
+ int border=16;
+ int (*get_attr)(void *, enum attr_type, struct attr *, struct attr_iter *);
+ void *attr_object;
+
+ profile(0,NULL);
+ if (this_->ready != 3) {
+ profile(0,"return 1\n");
+ return;
+ }
+ if (this_->vehicle == nv && this_->tracking_flag)
+ tracking=this_->tracking;
+ if (tracking) {
+ tracking_update(tracking, nv->vehicle, this_->vehicleprofile, pro);
+ attr_object=tracking;
+ get_attr=(int (*)(void *, enum attr_type, struct attr *, struct attr_iter *))tracking_get_attr;
+ } else {
+ attr_object=nv->vehicle;
+ get_attr=(int (*)(void *, enum attr_type, struct attr *, struct attr_iter *))vehicle_get_attr;
+ }
+ if (get_attr(attr_object, attr_position_valid, &attr_valid, NULL))
+ if (!attr_valid.u.num != attr_position_valid_invalid)
+ return;
+ if (! get_attr(attr_object, attr_position_direction, &attr_dir, NULL) ||
+ ! get_attr(attr_object, attr_position_speed, &attr_speed, NULL) ||
+ ! get_attr(attr_object, attr_position_coord_geo, &attr_pos, NULL)) {
+ profile(0,"return 2\n");
+ return;
+ }
+ nv->dir=*attr_dir.u.numd;
+ nv->speed=*attr_speed.u.numd;
+ transform_from_geo(pro, attr_pos.u.coord_geo, &nv->coord);
+ if (nv != this_->vehicle) {
+ navit_vehicle_draw(this_, nv, NULL);
+ profile(0,"return 3\n");
+ return;
+ }
+ cursor_pc.x = nv->coord.x;
+ cursor_pc.y = nv->coord.y;
+ cursor_pc.pro = pro;
+ if (this_->route) {
+ if (tracking)
+ route_set_position_from_tracking(this_->route, tracking, pro);
+ else
+ route_set_position(this_->route, &cursor_pc);
+ }
+ callback_list_call_attr_0(this_->attr_cbl, attr_position);
+ navit_textfile_debug_log(this_, "type=trackpoint_tracked");
+ if (this_->gui && nv->speed > 2)
+ gui_disable_suspend(this_->gui);
+
+ transform(this_->trans, pro, &nv->coord, &cursor_pnt, 1, 0, 0, NULL);
+ if (this_->button_pressed != 1 && this_->follow_cursor && nv->follow_curr <= nv->follow &&
+ (nv->follow_curr == 1 || !transform_within_border(this_->trans, &cursor_pnt, border)))
+ navit_set_center_cursor(this_);
+ else
+ navit_vehicle_draw(this_, nv, pnt);
+
+ if (nv->follow_curr > 1)
+ nv->follow_curr--;
+ else
+ nv->follow_curr=nv->follow;
+ callback_list_call_attr_2(this_->attr_cbl, attr_position_coord_geo, this_, nv->vehicle);
+
+ /* Finally, if we reached our destination, stop navigation. */
+ if (this_->route && route_destination_reached(this_->route)) {
+ navit_set_destination(this_, NULL, NULL, 0);
+ }
+ profile(0,"return 5\n");
+}
+
+/**
+ * Set the position of the vehicle
+ *
+ * @param navit The navit instance
+ * @param c The coordinate to set as position
+ * @returns nothing
+ */
+
+void
+navit_set_position(struct navit *this_, struct pcoord *c)
+{
+ if (this_->route) {
+ route_set_position(this_->route, c);
+ callback_list_call_attr_0(this_->attr_cbl, attr_position);
+ }
+ if (this_->ready == 3)
+ navit_draw(this_);
+}
+
+static int
+navit_set_vehicleprofile(struct navit *this_, char *name)
+{
+ struct attr attr;
+ GList *l;
+ l=this_->vehicleprofiles;
+ while (l) {
+ if (vehicleprofile_get_attr(l->data, attr_name, &attr, NULL)) {
+ if (!strcmp(attr.u.str, name)) {
+ this_->vehicleprofile=l->data;
+ if (this_->route)
+ route_set_profile(this_->route, this_->vehicleprofile);
+ return 1;
+ }
+ }
+ l=g_list_next(l);
+ }
+ return 0;
+}
+
+static void
+navit_set_vehicle(struct navit *this_, struct navit_vehicle *nv)
+{
+ struct attr attr;
+ this_->vehicle=nv;
+ if (nv && vehicle_get_attr(nv->vehicle, attr_profilename, &attr, NULL)) {
+ if (navit_set_vehicleprofile(this_, attr.u.str))
+ return;
+ }
+ navit_set_vehicleprofile(this_,"car");
+}
+
+/**
+ * Register a new vehicle
+ *
+ * @param navit The navit instance
+ * @param v The vehicle instance
+ * @returns 1 for success
+ */
+static int
+navit_add_vehicle(struct navit *this_, struct vehicle *v)
+{
+ struct navit_vehicle *nv=g_new0(struct navit_vehicle, 1);
+ struct attr follow,color,active, color2, animate;
+ nv->vehicle=v;
+ nv->follow=0;
+ nv->last.x = 0;
+ nv->last.y = 0;
+ nv->animate_cursor=0;
+ if ((vehicle_get_attr(v, attr_follow, &follow, NULL)))
+ nv->follow=nv->follow=follow.u.num;
+ if ((vehicle_get_attr(v, attr_color, &color, NULL)))
+ nv->c=*(color.u.color);
+ if ((vehicle_get_attr(v, attr_color2, &color2, NULL)))
+ nv->c2=color2.u.color;
+ else
+ nv->c2=NULL;
+ nv->follow_curr=nv->follow;
+ this_->vehicles=g_list_append(this_->vehicles, nv);
+ if ((vehicle_get_attr(v, attr_active, &active, NULL)) && active.u.num)
+ navit_set_vehicle(this_, nv);
+ if ((vehicle_get_attr(v, attr_animate, &animate, NULL)))
+ nv->animate_cursor=animate.u.num;
+ nv->callback.type=attr_callback;
+ nv->callback.u.callback=callback_new_2(callback_cast(navit_vehicle_update), this_, nv);
+ vehicle_add_attr(nv->vehicle, &nv->callback);
+ vehicle_set_attr(nv->vehicle, &this_->self, NULL);
+ return 1;
+}
+
+
+
+
+struct gui *
+navit_get_gui(struct navit *this_)
+{
+ return this_->gui;
+}
+
+struct transformation *
+navit_get_trans(struct navit *this_)
+{
+ return this_->trans;
+}
+
+struct route *
+navit_get_route(struct navit *this_)
+{
+ return this_->route;
+}
+
+struct navigation *
+navit_get_navigation(struct navit *this_)
+{
+ return this_->navigation;
+}
+
+struct displaylist *
+navit_get_displaylist(struct navit *this_)
+{
+ return this_->displaylist;
+}
+
+int
+navit_block(struct navit *this_, int block)
+{
+ if (block) {
+ this_->blocked |= 1;
+ if (graphics_draw_cancel(this_->gra, this_->displaylist))
+ this_->blocked |= 2;
+ return 0;
+ }
+ if (this_->blocked & 2) {
+ this_->blocked=0;
+ navit_draw(this_);
+ return 1;
+ }
+ this_->blocked=0;
+ return 0;
+}
+
+void
+navit_destroy(struct navit *this_)
+{
+ /* TODO: destroy objects contained in this_ */
+ if (this_->vehicle)
+ vehicle_destroy(this_->vehicle->vehicle);
+ main_remove_navit(this_);
+ char *center_file = navit_get_center_file(TRUE);
+ navit_write_center_to_file(this_, center_file);
+ g_free(center_file);
+ callback_destroy(this_->nav_speech_cb);
+ callback_destroy(this_->roadbook_callback);
+ callback_destroy(this_->popup_callback);
+ callback_destroy(this_->motion_timeout_callback);
+ if(this_->gra)
+ graphics_remove_callback(this_->gra, this_->resize_callback);
+ callback_destroy(this_->resize_callback);
+ if(this_->gra)
+ graphics_remove_callback(this_->gra, this_->button_callback);
+ callback_destroy(this_->button_callback);
+ if(this_->gra)
+ graphics_remove_callback(this_->gra, this_->motion_callback);
+ callback_destroy(this_->motion_callback);
+ g_free(this_);
+}
+
+/** @} */
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