git.itanic.dy.fi Git - maemo-mapper/blob - src/main.c

   1 /*
   2  * Copyright (C) 2006, 2007 John Costigan.
   3  *
   4  * POI and GPS-Info code originally written by Cezary Jackiewicz.
   5  *
   6  * Default map data provided by http://www.openstreetmap.org/
   7  *
   8  * This file is part of Maemo Mapper.
   9  *
  10  * Maemo Mapper is free software: you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation, either version 3 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * Maemo Mapper is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with Maemo Mapper.  If not, see <http://www.gnu.org/licenses/>.
  22  */
  23
  24 #define _GNU_SOURCE
  25
  26 #ifdef HAVE_CONFIG_H
  27 #    include "config.h"
  28 #endif
  29
  30 #include <stdlib.h>
  31 #include <string.h>
  32 #include <math.h>
  33 #include <dbus/dbus-glib.h>
  34 #include <locale.h>
  35
  36 #include <gconf/gconf-client.h>
  37 #include <device_symbols.h>
  38 #include <conicconnection.h>
  39 #include <conicconnectionevent.h>
  40
  41 #ifndef LEGACY
  42 #    include <hildon/hildon-program.h>
  43 #    include <hildon/hildon-banner.h>
  44 #else
  45 #    include <hildon-widgets/hildon-program.h>
  46 #    include <hildon-widgets/hildon-banner.h>
  47 #endif
  48
  49 #include "types.h"
  50 #include "data.h"
  51 #include "defines.h"
  52
  53 #include "cmenu.h"
  54 #include "dbus-ifc.h"
  55 #include "display.h"
  56 #include "gps.h"
  57 #include "gpx.h"
  58 #include "input.h"
  59 #include "main.h"
  60 #include "maps.h"
  61 #include "menu.h"
  62 #include "path.h"
  63 #include "poi.h"
  64 #include "settings.h"
  65 #include "util.h"
  66
  67 static void osso_cb_hw_state(osso_hw_state_t *state, gpointer data);
  68
  69 static HildonProgram *_program = NULL;
  70
  71 static ConIcConnection *_conic_conn = NULL;
  72 static gboolean _conic_is_connecting = FALSE;
  73 static gboolean _conic_conn_failed = FALSE;
  74 static GMutex *_conic_connection_mutex = NULL;
  75 static GCond *_conic_connection_cond = NULL;
  76
  77 /* Dynamically-sized in-memory map cache. */
  78 static size_t _map_cache_size = (32*1024*1024);
  79 static gboolean _map_cache_enabled = TRUE;
  80
  81 static void
  82 conic_conn_event(ConIcConnection *connection, ConIcConnectionEvent *event)
  83 {
  84     ConIcConnectionStatus status;
  85     printf("%s()\n", __PRETTY_FUNCTION__);
  86
  87     g_mutex_lock(_conic_connection_mutex);
  88
  89     status = con_ic_connection_event_get_status(event);
  90
  91     if((_conic_is_connected = (status == CON_IC_CONNECTION_ERROR_NONE)))
  92     {
  93         /* We're connected. */
  94         _conic_conn_failed = FALSE;
  95         if(_download_banner != NULL)
  96             gtk_widget_show(_download_banner);
  97     }
  98     else
  99     {
 100         /* We're not connected. */
 101         /* Mark as a failed connection, if we had been trying to connect. */
 102         _conic_conn_failed = _conic_is_connecting;
 103         if(_download_banner != NULL)
 104             gtk_widget_hide(_download_banner);
 105     }
 106
 107     _conic_is_connecting = FALSE; /* No longer trying to connect. */
 108     g_cond_broadcast(_conic_connection_cond);
 109     g_mutex_unlock(_conic_connection_mutex);
 110
 111     vprintf("%s(): return\n", __PRETTY_FUNCTION__);
 112 }
 113
 114 void
 115 conic_recommend_connected()
 116 {
 117     printf("%s()\n", __PRETTY_FUNCTION__);
 118
 119 #ifndef DEBUG
 120     g_mutex_lock(_conic_connection_mutex);
 121     if(!_conic_is_connecting)
 122     {
 123         /* Fire up a connection request. */
 124         con_ic_connection_connect(_conic_conn, CON_IC_CONNECT_FLAG_NONE);
 125         _conic_is_connecting = TRUE;
 126     }
 127     g_mutex_unlock(_conic_connection_mutex);
 128 #endif
 129
 130     vprintf("%s(): return\n", __PRETTY_FUNCTION__);
 131 }
 132
 133 void
 134 conic_ensure_connected()
 135 {
 136     printf("%s()\n", __PRETTY_FUNCTION__);
 137
 138 #ifndef DEBUG
 139     while(!_conic_is_connected)
 140     {
 141         g_mutex_lock(_conic_connection_mutex);
 142         /* If we're not connected, and if we're not connecting, and if we're
 143          * not in the wake of a connection failure, then try to connect. */
 144         if(!_conic_is_connected && !_conic_is_connecting &&!_conic_conn_failed)
 145         {
 146             /* Fire up a connection request. */
 147             con_ic_connection_connect(_conic_conn, CON_IC_CONNECT_FLAG_NONE);
 148             _conic_is_connecting = TRUE;
 149         }
 150         g_cond_wait(_conic_connection_cond, _conic_connection_mutex);
 151         g_mutex_unlock(_conic_connection_mutex);
 152     }
 153 #endif
 154
 155     vprintf("%s(): return\n", __PRETTY_FUNCTION__);
 156 }
 157
 158 /**
 159  * Save state and destroy all non-UI elements created by this program in
 160  * preparation for exiting.
 161  */
 162 static void
 163 maemo_mapper_destroy()
 164 {
 165     printf("%s()\n", __PRETTY_FUNCTION__);
 166
 167     /* _program and widgets have already been destroyed. */
 168     _window = NULL;
 169
 170     gps_destroy(FALSE);
 171
 172     path_destroy();
 173
 174     settings_save();
 175
 176     poi_destroy();
 177
 178     g_mutex_lock(_mut_priority_mutex);
 179     _mut_priority_tree = g_tree_new((GCompareFunc)mut_priority_comparefunc);
 180     g_mutex_unlock(_mut_priority_mutex);
 181
 182     /* Allow remaining downloads to finish. */
 183     g_thread_pool_free(_mut_thread_pool, TRUE, TRUE);
 184
 185     if(_curr_repo->db)
 186     {
 187 #ifdef MAPDB_SQLITE
 188         g_mutex_lock(_mapdb_mutex);
 189         sqlite3_close(_curr_repo->db);
 190         _curr_repo->db = NULL;
 191         g_mutex_unlock(_mapdb_mutex);
 192 #else
 193         g_mutex_lock(_mapdb_mutex);
 194         gdbm_close(_curr_repo->db);
 195         _curr_repo->db = NULL;
 196         g_mutex_unlock(_mapdb_mutex);
 197 #endif
 198     }
 199     map_cache_destroy();
 200
 201     gps_destroy(TRUE);
 202
 203     vprintf("%s(): return\n", __PRETTY_FUNCTION__);
 204 }
 205
 206 /**
 207  * Initialize everything required in preparation for calling gtk_main().
 208  */
 209 static void
 210 maemo_mapper_init(gint argc, gchar **argv)
 211 {
 212     GtkWidget *hbox, *label, *vbox;
 213     printf("%s()\n", __PRETTY_FUNCTION__);
 214
 215     /* Set enum-based constants. */
 216     UNITS_ENUM_TEXT[UNITS_KM] = _("km");
 217     UNITS_ENUM_TEXT[UNITS_MI] = _("mi.");
 218     UNITS_ENUM_TEXT[UNITS_NM] = _("n.m.");
 219
 220     ROTATE_DIR_ENUM_TEXT[ROTATE_DIR_UP] = _("Up");
 221     ROTATE_DIR_ENUM_TEXT[ROTATE_DIR_RIGHT] = _("Right");
 222     ROTATE_DIR_ENUM_TEXT[ROTATE_DIR_DOWN] = _("Down");
 223     ROTATE_DIR_ENUM_TEXT[ROTATE_DIR_LEFT] = _("Left");
 224
 225     UNBLANK_ENUM_TEXT[UNBLANK_WITH_GPS] = _("When Receiving Any GPS Data");
 226     UNBLANK_ENUM_TEXT[UNBLANK_WHEN_MOVING] = _("When Moving");
 227     UNBLANK_ENUM_TEXT[UNBLANK_FULLSCREEN] = _("When Moving (Full Screen Only)");
 228     UNBLANK_ENUM_TEXT[UNBLANK_WAYPOINT] = _("When Approaching a Waypoint");
 229     UNBLANK_ENUM_TEXT[UNBLANK_NEVER] = _("Never");
 230
 231     INFO_FONT_ENUM_TEXT[INFO_FONT_XXSMALL] = "xx-small";
 232     INFO_FONT_ENUM_TEXT[INFO_FONT_XSMALL] = "x-small";
 233     INFO_FONT_ENUM_TEXT[INFO_FONT_SMALL] = "small";
 234     INFO_FONT_ENUM_TEXT[INFO_FONT_MEDIUM] = "medium";
 235     INFO_FONT_ENUM_TEXT[INFO_FONT_LARGE] = "large";
 236     INFO_FONT_ENUM_TEXT[INFO_FONT_XLARGE] = "x-large";
 237     INFO_FONT_ENUM_TEXT[INFO_FONT_XXLARGE] = "xx-large";
 238
 239     CUSTOM_KEY_ICON[CUSTOM_KEY_UP] = HWK_BUTTON_UP;
 240     CUSTOM_KEY_ICON[CUSTOM_KEY_LEFT] = HWK_BUTTON_LEFT;
 241     CUSTOM_KEY_ICON[CUSTOM_KEY_DOWN] = HWK_BUTTON_DOWN;
 242     CUSTOM_KEY_ICON[CUSTOM_KEY_RIGHT] = HWK_BUTTON_RIGHT;
 243     CUSTOM_KEY_ICON[CUSTOM_KEY_SELECT] = HWK_BUTTON_SELECT;
 244     CUSTOM_KEY_ICON[CUSTOM_KEY_INCREASE] = HWK_BUTTON_INCREASE;
 245     CUSTOM_KEY_ICON[CUSTOM_KEY_DECREASE] = HWK_BUTTON_DECREASE;
 246     CUSTOM_KEY_ICON[CUSTOM_KEY_FULLSCREEN] = HWK_BUTTON_VIEW;
 247     CUSTOM_KEY_ICON[CUSTOM_KEY_ESC] = HWK_BUTTON_CANCEL;
 248
 249     CUSTOM_KEY_DEFAULT[CUSTOM_KEY_UP] = CUSTOM_ACTION_RESET_VIEW_ANGLE;
 250     CUSTOM_KEY_DEFAULT[CUSTOM_KEY_LEFT] =CUSTOM_ACTION_ROTATE_COUNTERCLOCKWISE;
 251     CUSTOM_KEY_DEFAULT[CUSTOM_KEY_DOWN] = CUSTOM_ACTION_TOGGLE_AUTOROTATE;
 252     CUSTOM_KEY_DEFAULT[CUSTOM_KEY_RIGHT] = CUSTOM_ACTION_ROTATE_CLOCKWISE;
 253     CUSTOM_KEY_DEFAULT[CUSTOM_KEY_SELECT] = CUSTOM_ACTION_TOGGLE_AUTOCENTER;
 254     CUSTOM_KEY_DEFAULT[CUSTOM_KEY_INCREASE] = CUSTOM_ACTION_ZOOM_IN;
 255     CUSTOM_KEY_DEFAULT[CUSTOM_KEY_DECREASE] = CUSTOM_ACTION_ZOOM_OUT;
 256     CUSTOM_KEY_DEFAULT[CUSTOM_KEY_FULLSCREEN]= CUSTOM_ACTION_TOGGLE_FULLSCREEN;
 257     CUSTOM_KEY_DEFAULT[CUSTOM_KEY_ESC] = CUSTOM_ACTION_TOGGLE_TRACKS;
 258
 259     CUSTOM_ACTION_ENUM_TEXT[CUSTOM_ACTION_PAN_NORTH] = _("Pan North");
 260     CUSTOM_ACTION_ENUM_TEXT[CUSTOM_ACTION_PAN_WEST] = _("Pan West");
 261     CUSTOM_ACTION_ENUM_TEXT[CUSTOM_ACTION_PAN_SOUTH] = _("Pan South");
 262     CUSTOM_ACTION_ENUM_TEXT[CUSTOM_ACTION_PAN_EAST] = _("Pan East");
 263     CUSTOM_ACTION_ENUM_TEXT[CUSTOM_ACTION_PAN_UP] = _("Pan Up");
 264     CUSTOM_ACTION_ENUM_TEXT[CUSTOM_ACTION_PAN_DOWN] = _("Pan Down");
 265     CUSTOM_ACTION_ENUM_TEXT[CUSTOM_ACTION_PAN_LEFT] = _("Pan Left");
 266     CUSTOM_ACTION_ENUM_TEXT[CUSTOM_ACTION_PAN_RIGHT] = _("Pan Right");
 267     CUSTOM_ACTION_ENUM_TEXT[CUSTOM_ACTION_RESET_VIEW_ANGLE]
 268         = _("Reset Viewing Angle");
 269     CUSTOM_ACTION_ENUM_TEXT[CUSTOM_ACTION_ROTATE_CLOCKWISE]
 270         = _("Rotate View Clockwise");
 271     CUSTOM_ACTION_ENUM_TEXT[CUSTOM_ACTION_ROTATE_COUNTERCLOCKWISE]
 272         = _("Rotate View Counter-Clockwise");
 273     CUSTOM_ACTION_ENUM_TEXT[CUSTOM_ACTION_TOGGLE_AUTOCENTER]
 274         = _("Toggle Auto-Center");
 275     CUSTOM_ACTION_ENUM_TEXT[CUSTOM_ACTION_TOGGLE_AUTOROTATE]
 276         = _("Toggle Auto-Rotate");
 277     CUSTOM_ACTION_ENUM_TEXT[CUSTOM_ACTION_TOGGLE_FULLSCREEN]
 278         = _("Toggle Fullscreen");
 279     CUSTOM_ACTION_ENUM_TEXT[CUSTOM_ACTION_ZOOM_IN] = _("Zoom In");
 280     CUSTOM_ACTION_ENUM_TEXT[CUSTOM_ACTION_ZOOM_OUT] = _("Zoom Out");
 281     CUSTOM_ACTION_ENUM_TEXT[CUSTOM_ACTION_TOGGLE_TRACKS] = _("Toggle Tracks");
 282     CUSTOM_ACTION_ENUM_TEXT[CUSTOM_ACTION_TOGGLE_SCALE] = _("Toggle Scale");
 283     CUSTOM_ACTION_ENUM_TEXT[CUSTOM_ACTION_TOGGLE_POI] = _("Toggle POIs");
 284     CUSTOM_ACTION_ENUM_TEXT[CUSTOM_ACTION_CHANGE_REPO]
 285         = _("Select Next Repository");
 286     CUSTOM_ACTION_ENUM_TEXT[CUSTOM_ACTION_ROUTE_DISTNEXT]
 287         = _("Show Distance to Next Waypoint");
 288     CUSTOM_ACTION_ENUM_TEXT[CUSTOM_ACTION_ROUTE_DISTLAST]
 289         = _("Show Distance to End of Route");
 290     CUSTOM_ACTION_ENUM_TEXT[CUSTOM_ACTION_TRACK_BREAK]=_("Insert Track Break");
 291     CUSTOM_ACTION_ENUM_TEXT[CUSTOM_ACTION_TRACK_CLEAR] = _("Clear Track");
 292     CUSTOM_ACTION_ENUM_TEXT[CUSTOM_ACTION_TRACK_DISTLAST]
 293         = _("Show Distance from Last Break");
 294     CUSTOM_ACTION_ENUM_TEXT[CUSTOM_ACTION_TRACK_DISTFIRST]
 295         = _("Show Distance from Beginning");
 296     CUSTOM_ACTION_ENUM_TEXT[CUSTOM_ACTION_TOGGLE_GPS] = _("Toggle GPS");
 297     CUSTOM_ACTION_ENUM_TEXT[CUSTOM_ACTION_TOGGLE_GPSINFO]=_("Toggle GPS Info");
 298     CUSTOM_ACTION_ENUM_TEXT[CUSTOM_ACTION_TOGGLE_SPEEDLIMIT]
 299         = _("Toggle Speed Limit");
 300     CUSTOM_ACTION_ENUM_TEXT[CUSTOM_ACTION_RESET_BLUETOOTH]
 301         = _("Reset Bluetooth");
 302
 303     DEG_FORMAT_ENUM_TEXT[DDPDDDDD] = "-dd.ddddd°";
 304     DEG_FORMAT_ENUM_TEXT[DD_MMPMMM] = "-dd°mm.mmm'";
 305     DEG_FORMAT_ENUM_TEXT[DD_MM_SSPS] = "-dd°mm'ss.s\"";
 306     DEG_FORMAT_ENUM_TEXT[DDPDDDDD_NSEW] = "dd.ddddd° S";
 307     DEG_FORMAT_ENUM_TEXT[DD_MMPMMM_NSEW] = "dd°mm.mmm' S";
 308     DEG_FORMAT_ENUM_TEXT[DD_MM_SSPS_NSEW] = "dd°mm'ss.s\" S";
 309     DEG_FORMAT_ENUM_TEXT[NSEW_DDPDDDDD] = "S dd.ddddd°";
 310     DEG_FORMAT_ENUM_TEXT[NSEW_DD_MMPMMM] = "S dd° mm.mmm'";
 311     DEG_FORMAT_ENUM_TEXT[NSEW_DD_MM_SSPS] = "S dd° mm' ss.s\"";
 312
 313     SPEED_LOCATION_ENUM_TEXT[SPEED_LOCATION_TOP_LEFT] = _("Top-Left");
 314     SPEED_LOCATION_ENUM_TEXT[SPEED_LOCATION_TOP_RIGHT] = _("Top-Right");
 315     SPEED_LOCATION_ENUM_TEXT[SPEED_LOCATION_BOTTOM_RIGHT] = _("Bottom-Right");
 316     SPEED_LOCATION_ENUM_TEXT[SPEED_LOCATION_BOTTOM_LEFT] = _("Bottom-Left");
 317
 318     GPS_RCVR_ENUM_TEXT[GPS_RCVR_BT] = _("Bluetooth");
 319     GPS_RCVR_ENUM_TEXT[GPS_RCVR_GPSD] = _("GPSD");
 320     GPS_RCVR_ENUM_TEXT[GPS_RCVR_FILE] = _("File");
 321
 322     /* Set up track array (must be done before config). */
 323     memset(&_track, 0, sizeof(_track));
 324     memset(&_route, 0, sizeof(_route));
 325     MACRO_PATH_INIT(_track);
 326     MACRO_PATH_INIT(_route);
 327
 328     _mapdb_mutex = g_mutex_new();
 329     _mut_priority_mutex = g_mutex_new();
 330     _mouse_mutex = g_mutex_new();
 331
 332     _conic_connection_mutex = g_mutex_new();
 333     _conic_connection_cond = g_cond_new();
 334
 335     settings_init();
 336     map_cache_init(_map_cache_size);
 337
 338     /* Initialize _program. */
 339     _program = HILDON_PROGRAM(hildon_program_get_instance());
 340     g_set_application_name("Maemo Mapper");
 341
 342     /* Initialize _window. */
 343     _window = GTK_WIDGET(hildon_window_new());
 344     hildon_program_add_window(_program, HILDON_WINDOW(_window));
 345
 346     /* Lets go fullscreen if so requested in saved config */
 347     if (_fullscreen) {
 348       gtk_window_fullscreen(GTK_WINDOW(_window));
 349     }
 350
 351     /* Create and add widgets and supporting data. */
 352     hbox = gtk_hbox_new(FALSE, 0);
 353     gtk_container_add(GTK_CONTAINER(_window), hbox);
 354
 355     _gps_widget = gtk_frame_new("GPS Info");
 356     gtk_container_add(GTK_CONTAINER(_gps_widget),
 357             vbox = gtk_vbox_new(FALSE, 0));
 358     gtk_widget_set_size_request(GTK_WIDGET(_gps_widget), 180, 0);
 359     gtk_box_pack_start(GTK_BOX(hbox), _gps_widget, FALSE, TRUE, 0);
 360
 361     label = gtk_label_new(" ");
 362     gtk_widget_set_size_request(GTK_WIDGET(label), -1, 10);
 363     gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, TRUE, 0);
 364
 365     _text_lat = gtk_label_new(" --- ");
 366     gtk_widget_set_size_request(GTK_WIDGET(_text_lat), -1, 30);
 367     gtk_box_pack_start(GTK_BOX(vbox), _text_lat, FALSE, TRUE, 0);
 368
 369     _text_lon = gtk_label_new(" --- ");
 370     gtk_widget_set_size_request(GTK_WIDGET(_text_lon), -1, 30);
 371     gtk_box_pack_start(GTK_BOX(vbox), _text_lon, FALSE, TRUE, 0);
 372
 373     _text_speed = gtk_label_new(" --- ");
 374     gtk_widget_set_size_request(GTK_WIDGET(_text_speed), -1, 30);
 375     gtk_box_pack_start(GTK_BOX(vbox), _text_speed, FALSE, TRUE, 0);
 376
 377     _text_alt = gtk_label_new(" --- ");
 378     gtk_widget_set_size_request(GTK_WIDGET(_text_alt), -1, 30);
 379     gtk_box_pack_start(GTK_BOX(vbox), _text_alt, FALSE, TRUE, 0);
 380
 381     label = gtk_label_new(" ");
 382     gtk_widget_set_size_request(GTK_WIDGET(label), -1, 10);
 383     gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, TRUE, 0);
 384
 385     _sat_panel = gtk_drawing_area_new ();
 386     gtk_widget_set_size_request (_sat_panel, -1, 100);
 387     gtk_box_pack_start(GTK_BOX(vbox), _sat_panel, TRUE, TRUE, 0);
 388
 389     label = gtk_label_new(" ");
 390     gtk_widget_set_size_request(GTK_WIDGET(label), -1, 10);
 391     gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, TRUE, 0);
 392
 393     _text_time = gtk_label_new("--:--:--");
 394     gtk_widget_set_size_request(GTK_WIDGET(_text_time), -1, 30);
 395     gtk_box_pack_start(GTK_BOX(vbox), _text_time, FALSE, TRUE, 0);
 396
 397     _heading_panel = gtk_drawing_area_new ();
 398     gtk_widget_set_size_request (_heading_panel, -1, 100);
 399     gtk_box_pack_start(GTK_BOX(vbox), _heading_panel, TRUE, TRUE, 0);
 400
 401     _map_widget = gtk_drawing_area_new();
 402
 403     gtk_box_pack_start(GTK_BOX(hbox), _map_widget, TRUE, TRUE, 0);
 404
 405     gtk_widget_show_all(hbox);
 406     gps_show_info(); /* hides info, if necessary. */
 407
 408     gtk_widget_realize(_map_widget);
 409
 410     /* Tweak the foreground and background colors a little bit... */
 411     {
 412         GdkColor color;
 413         GdkGCValues values;
 414         GdkColormap *colormap = gtk_widget_get_colormap(_map_widget);
 415
 416         gdk_gc_get_values(
 417                 _map_widget->style->fg_gc[GTK_STATE_NORMAL],
 418                 &values);
 419         gdk_colormap_query_color(colormap, values.foreground.pixel, &color);
 420         gtk_widget_modify_fg(_map_widget, GTK_STATE_ACTIVE, &color);
 421
 422         gdk_gc_get_values(
 423                 _map_widget->style->bg_gc[GTK_STATE_NORMAL],
 424                 &values);
 425         gdk_colormap_query_color(colormap, values.foreground.pixel, &color);
 426         gtk_widget_modify_bg(_map_widget, GTK_STATE_ACTIVE, &color);
 427
 428         /* Use a black background for _map_widget, since missing tiles are
 429          * also drawn with a black background. */
 430         color.red = 0; color.green = 0; color.blue = 0;
 431         gtk_widget_modify_bg(_map_widget,
 432                 GTK_STATE_NORMAL, &color);
 433     }
 434
 435     _map_pixmap = gdk_pixmap_new(_map_widget->window, 1, 1, -1);
 436     /* -1: use bit depth of widget->window. */
 437
 438     _map_pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8, 1, 1);
 439
 440     _mut_exists_table = g_hash_table_new(
 441             (GHashFunc)mut_exists_hashfunc, (GEqualFunc)mut_exists_equalfunc);
 442     _mut_priority_tree = g_tree_new((GCompareFunc)mut_priority_comparefunc);
 443
 444     _mut_thread_pool = g_thread_pool_new(
 445             (GFunc)thread_proc_mut, NULL, NUM_DOWNLOAD_THREADS, FALSE, NULL);
 446     _mrt_thread_pool = g_thread_pool_new(
 447             (GFunc)thread_render_map, NULL, 1, FALSE, NULL);
 448
 449     /* Connect signals. */
 450     g_signal_connect(G_OBJECT(_window), "destroy",
 451             G_CALLBACK(gtk_main_quit), NULL);
 452
 453     memset(&_autoroute_data, 0, sizeof(_autoroute_data));
 454
 455     latlon2unit(_gps.lat, _gps.lon, _pos.unitx, _pos.unity);
 456
 457     /* Initialize our line styles. */
 458     update_gcs();
 459
 460     menu_init();
 461     cmenu_init();
 462     path_init();
 463     gps_init();
 464     input_init();
 465     poi_db_connect();
 466     display_init();
 467     dbus_ifc_init();
 468
 469     /* If present, attempt to load the file specified on the command line. */
 470     if(argc > 1)
 471     {
 472         GnomeVFSResult vfs_result;
 473         gint size;
 474         gchar *buffer;
 475         gchar *file_uri;
 476
 477         /* Get the selected filename. */
 478         file_uri = gnome_vfs_make_uri_from_shell_arg(argv[1]);
 479
 480         if(GNOME_VFS_OK != (vfs_result = gnome_vfs_read_entire_file(
 481                         file_uri, &size, &buffer)))
 482         {
 483             gchar buffer[BUFFER_SIZE];
 484             snprintf(buffer, sizeof(buffer),
 485                     "%s:\n%s", _("Failed to open file for reading"),
 486                     gnome_vfs_result_to_string(vfs_result));
 487             popup_error(_window, buffer);
 488         }
 489         else
 490         {
 491             if(gpx_path_parse(&_route, buffer, size, 0))
 492             {
 493                 path_save_route_to_db();
 494                 MACRO_BANNER_SHOW_INFO(_window, _("Route Opened"));
 495             }
 496             else
 497                 popup_error(_window, _("Error parsing GPX file."));
 498             g_free(buffer);
 499         }
 500         g_free(file_uri);
 501     }
 502
 503     /* If we have a route, calculate the next point. */
 504     route_find_nearest_point();
 505
 506     _conic_conn = con_ic_connection_new();
 507     g_object_set(_conic_conn, "automatic-connection-events", TRUE, NULL);
 508     g_signal_connect(G_OBJECT(_conic_conn), "connection-event",
 509             G_CALLBACK(conic_conn_event), NULL);
 510
 511     g_idle_add((GSourceFunc)window_present, NULL);
 512
 513
 514     osso_hw_set_event_cb(_osso, NULL, osso_cb_hw_state, NULL);
 515
 516     vprintf("%s(): return\n", __PRETTY_FUNCTION__);
 517 }
 518
 519 static gboolean
 520 osso_cb_hw_state_idle(osso_hw_state_t *state)
 521 {
 522     static gboolean _must_save_data = FALSE;
 523     printf("%s(inact=%d, save=%d, shut=%d, memlow=%d, state=%d)\n",
 524             __PRETTY_FUNCTION__, state->system_inactivity_ind,
 525             state->save_unsaved_data_ind, state->shutdown_ind,
 526             state->memory_low_ind, state->sig_device_mode_ind);
 527
 528     if(state->shutdown_ind)
 529     {
 530         maemo_mapper_destroy();
 531         exit(1);
 532     }
 533
 534     if(state->save_unsaved_data_ind)
 535     {
 536         settings_save();
 537         _must_save_data = TRUE;
 538     }
 539
 540     if(state->memory_low_ind)
 541     {
 542         // Disable the map cache and set the next max cache size to
 543         // slightly less than the current cache size.
 544         _map_cache_size = map_cache_resize(0) * 0.8;
 545         _map_cache_enabled = FALSE;
 546     }
 547     else
 548     {
 549         if(!_map_cache_enabled)
 550         {
 551             // Restore the map cache.
 552             map_cache_resize(_map_cache_size);
 553             _map_cache_enabled = TRUE;
 554         }
 555     }
 556
 557     g_free(state);
 558
 559     vprintf("%s(): return\n", __PRETTY_FUNCTION__);
 560     return FALSE;
 561 }
 562
 563 static void
 564 osso_cb_hw_state(osso_hw_state_t *state, gpointer data)
 565 {
 566     printf("%s()\n", __PRETTY_FUNCTION__);
 567     osso_hw_state_t *state_copy = g_new(osso_hw_state_t, 1);
 568     memcpy(state_copy, state, sizeof(osso_hw_state_t));
 569     g_idle_add((GSourceFunc)osso_cb_hw_state_idle, state_copy);
 570     vprintf("%s(): return\n", __PRETTY_FUNCTION__);
 571 }
 572
 573 gint
 574 main(gint argc, gchar *argv[])
 575 {
 576     printf("%s()\n", __PRETTY_FUNCTION__);
 577
 578     /* Initialize localization. */
 579     setlocale(LC_ALL, "");
 580     bindtextdomain(GETTEXT_PACKAGE, LOCALEDIR);
 581     bind_textdomain_codeset(GETTEXT_PACKAGE, "UTF-8");
 582     textdomain(GETTEXT_PACKAGE);
 583
 584     g_thread_init(NULL);
 585
 586     /* Initialize _osso. */
 587     _osso = osso_initialize("com.gnuite.maemo_mapper", VERSION, TRUE, NULL);
 588     if(!_osso)
 589     {
 590         g_printerr("osso_initialize failed.\n");
 591         return 1;
 592     }
 593
 594     gtk_init(&argc, &argv);
 595
 596     /* Init gconf. */
 597     g_type_init();
 598     gconf_init(argc, argv, NULL);
 599
 600     /* Init Gnome-VFS. */
 601     gnome_vfs_init();
 602
 603 #ifdef DEBUG
 604     /* This is just some helpful DBUS testing code. */
 605     if(argc >= 3)
 606     {
 607         /* Try to set the center to a new lat/lon. */
 608         GError *error = NULL;
 609         gchar *error_check;
 610         gdouble lat, lon;
 611         DBusGConnection *bus;
 612         DBusGProxy *proxy;
 613
 614         bus = dbus_g_bus_get(DBUS_BUS_SESSION, &error);
 615         if(!bus || error)
 616         {
 617             g_printerr("Error: %s\n", error->message);
 618             return -1;
 619         }
 620
 621         proxy = dbus_g_proxy_new_for_name(bus,
 622                         MM_DBUS_SERVICE, MM_DBUS_PATH, MM_DBUS_INTERFACE);
 623
 624         lat = g_ascii_strtod((argv[1]), &error_check);
 625         if(error_check == argv[1])
 626         {
 627             g_printerr("Failed to parse string as float: %s\n", argv[1]);
 628             return 1;
 629         }
 630
 631         lon = g_ascii_strtod((argv[2]), &error_check);
 632         if(error_check == argv[2])
 633         {
 634             g_printerr("Failed to parse string as float: %s\n", argv[2]);
 635             return 2;
 636         }
 637
 638         error = NULL;
 639         if(argc >= 4)
 640         {
 641             /* We are specifying a zoom. */
 642             gint zoom;
 643
 644             zoom = g_ascii_strtod((argv[3]), &error_check);
 645             if(error_check == argv[3])
 646             {
 647                 g_printerr("Failed to parse string as integer: %s\n", argv[3]);
 648                 return 3;
 649             }
 650             if(!dbus_g_proxy_call(proxy, MM_DBUS_METHOD_SET_VIEW_POSITION,
 651                         &error,
 652                         G_TYPE_DOUBLE, lat, G_TYPE_DOUBLE, lon,
 653                         G_TYPE_INT, zoom, G_TYPE_INVALID,
 654                         G_TYPE_INVALID)
 655                     || error)
 656             {
 657                 g_printerr("Error: %s\n", error->message);
 658                 return 4;
 659             }
 660         }
 661         else
 662         {
 663             /* Not specifying a zoom. */
 664             if(!dbus_g_proxy_call(proxy, MM_DBUS_METHOD_SET_VIEW_POSITION,
 665                         &error,
 666                         G_TYPE_DOUBLE, lat, G_TYPE_DOUBLE, lon, G_TYPE_INVALID,
 667                         G_TYPE_INVALID)
 668                     || error)
 669             {
 670                 g_printerr("Error: %s\n", error->message);
 671                 return -2;
 672             }
 673         }
 674
 675         g_object_unref(proxy);
 676         dbus_g_connection_unref(bus);
 677
 678         return 0;
 679     }
 680 #endif
 681
 682     maemo_mapper_init(argc, argv);
 683
 684     gtk_main();
 685
 686     maemo_mapper_destroy();
 687
 688     osso_deinitialize(_osso);
 689
 690     vprintf("%s(): return\n", __PRETTY_FUNCTION__);
 691     exit(0);
 692 }
 693