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 gboolean
 134 conic_ensure_connected()
 135 {
 136     printf("%s()\n", __PRETTY_FUNCTION__);
 137
 138 #ifndef DEBUG
 139     while(_window && !_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 %d\n", __PRETTY_FUNCTION__,
 156             _window && _conic_is_connected);
 157     return _window && _conic_is_connected;
 158 }
 159
 160 /**
 161  * Save state and destroy all non-UI elements created by this program in
 162  * preparation for exiting.
 163  */
 164 static void
 165 maemo_mapper_destroy()
 166 {
 167     printf("%s()\n", __PRETTY_FUNCTION__);
 168
 169     /* _program and widgets have already been destroyed. */
 170     _window = NULL;
 171
 172     gps_destroy(FALSE);
 173
 174     path_destroy();
 175
 176     settings_save();
 177
 178     poi_destroy();
 179
 180     g_mutex_lock(_mut_priority_mutex);
 181     _mut_priority_tree = g_tree_new((GCompareFunc)mut_priority_comparefunc);
 182     g_mutex_unlock(_mut_priority_mutex);
 183
 184     /* Allow remaining downloads to finish. */
 185     g_mutex_lock(_conic_connection_mutex);
 186     g_cond_broadcast(_conic_connection_cond);
 187     g_mutex_unlock(_conic_connection_mutex);
 188     g_thread_pool_free(_mut_thread_pool, TRUE, TRUE);
 189
 190     if(_curr_repo->db)
 191     {
 192 #ifdef MAPDB_SQLITE
 193         g_mutex_lock(_mapdb_mutex);
 194         sqlite3_close(_curr_repo->db);
 195         _curr_repo->db = NULL;
 196         g_mutex_unlock(_mapdb_mutex);
 197 #else
 198         g_mutex_lock(_mapdb_mutex);
 199         gdbm_close(_curr_repo->db);
 200         _curr_repo->db = NULL;
 201         g_mutex_unlock(_mapdb_mutex);
 202 #endif
 203     }
 204     map_cache_destroy();
 205
 206     gps_destroy(TRUE);
 207
 208     vprintf("%s(): return\n", __PRETTY_FUNCTION__);
 209 }
 210
 211 /**
 212  * Initialize everything required in preparation for calling gtk_main().
 213  */
 214 static void
 215 maemo_mapper_init(gint argc, gchar **argv)
 216 {
 217     GtkWidget *hbox, *label, *vbox;
 218     printf("%s()\n", __PRETTY_FUNCTION__);
 219
 220     /* Set enum-based constants. */
 221     UNITS_ENUM_TEXT[UNITS_KM] = _("km");
 222     UNITS_ENUM_TEXT[UNITS_MI] = _("mi.");
 223     UNITS_ENUM_TEXT[UNITS_NM] = _("n.m.");
 224
 225     ROTATE_DIR_ENUM_TEXT[ROTATE_DIR_UP] = _("Up");
 226     ROTATE_DIR_ENUM_TEXT[ROTATE_DIR_RIGHT] = _("Right");
 227     ROTATE_DIR_ENUM_TEXT[ROTATE_DIR_DOWN] = _("Down");
 228     ROTATE_DIR_ENUM_TEXT[ROTATE_DIR_LEFT] = _("Left");
 229
 230     UNBLANK_ENUM_TEXT[UNBLANK_WITH_GPS] = _("When Receiving Any GPS Data");
 231     UNBLANK_ENUM_TEXT[UNBLANK_WHEN_MOVING] = _("When Moving");
 232     UNBLANK_ENUM_TEXT[UNBLANK_FULLSCREEN] = _("When Moving (Full Screen Only)");
 233     UNBLANK_ENUM_TEXT[UNBLANK_WAYPOINT] = _("When Approaching a Waypoint");
 234     UNBLANK_ENUM_TEXT[UNBLANK_NEVER] = _("Never");
 235
 236     INFO_FONT_ENUM_TEXT[INFO_FONT_XXSMALL] = "xx-small";
 237     INFO_FONT_ENUM_TEXT[INFO_FONT_XSMALL] = "x-small";
 238     INFO_FONT_ENUM_TEXT[INFO_FONT_SMALL] = "small";
 239     INFO_FONT_ENUM_TEXT[INFO_FONT_MEDIUM] = "medium";
 240     INFO_FONT_ENUM_TEXT[INFO_FONT_LARGE] = "large";
 241     INFO_FONT_ENUM_TEXT[INFO_FONT_XLARGE] = "x-large";
 242     INFO_FONT_ENUM_TEXT[INFO_FONT_XXLARGE] = "xx-large";
 243
 244     CUSTOM_KEY_ICON[CUSTOM_KEY_UP] = HWK_BUTTON_UP;
 245     CUSTOM_KEY_ICON[CUSTOM_KEY_LEFT] = HWK_BUTTON_LEFT;
 246     CUSTOM_KEY_ICON[CUSTOM_KEY_DOWN] = HWK_BUTTON_DOWN;
 247     CUSTOM_KEY_ICON[CUSTOM_KEY_RIGHT] = HWK_BUTTON_RIGHT;
 248     CUSTOM_KEY_ICON[CUSTOM_KEY_SELECT] = HWK_BUTTON_SELECT;
 249     CUSTOM_KEY_ICON[CUSTOM_KEY_INCREASE] = HWK_BUTTON_INCREASE;
 250     CUSTOM_KEY_ICON[CUSTOM_KEY_DECREASE] = HWK_BUTTON_DECREASE;
 251     CUSTOM_KEY_ICON[CUSTOM_KEY_FULLSCREEN] = HWK_BUTTON_VIEW;
 252     CUSTOM_KEY_ICON[CUSTOM_KEY_ESC] = HWK_BUTTON_CANCEL;
 253
 254     CUSTOM_KEY_DEFAULT[CUSTOM_KEY_UP] = CUSTOM_ACTION_RESET_VIEW_ANGLE;
 255     CUSTOM_KEY_DEFAULT[CUSTOM_KEY_LEFT] =CUSTOM_ACTION_ROTATE_COUNTERCLOCKWISE;
 256     CUSTOM_KEY_DEFAULT[CUSTOM_KEY_DOWN] = CUSTOM_ACTION_TOGGLE_AUTOROTATE;
 257     CUSTOM_KEY_DEFAULT[CUSTOM_KEY_RIGHT] = CUSTOM_ACTION_ROTATE_CLOCKWISE;
 258     CUSTOM_KEY_DEFAULT[CUSTOM_KEY_SELECT] = CUSTOM_ACTION_TOGGLE_AUTOCENTER;
 259     CUSTOM_KEY_DEFAULT[CUSTOM_KEY_INCREASE] = CUSTOM_ACTION_ZOOM_IN;
 260     CUSTOM_KEY_DEFAULT[CUSTOM_KEY_DECREASE] = CUSTOM_ACTION_ZOOM_OUT;
 261     CUSTOM_KEY_DEFAULT[CUSTOM_KEY_FULLSCREEN]= CUSTOM_ACTION_TOGGLE_FULLSCREEN;
 262     CUSTOM_KEY_DEFAULT[CUSTOM_KEY_ESC] = CUSTOM_ACTION_TOGGLE_TRACKS;
 263
 264     CUSTOM_ACTION_ENUM_TEXT[CUSTOM_ACTION_PAN_NORTH] = _("Pan North");
 265     CUSTOM_ACTION_ENUM_TEXT[CUSTOM_ACTION_PAN_WEST] = _("Pan West");
 266     CUSTOM_ACTION_ENUM_TEXT[CUSTOM_ACTION_PAN_SOUTH] = _("Pan South");
 267     CUSTOM_ACTION_ENUM_TEXT[CUSTOM_ACTION_PAN_EAST] = _("Pan East");
 268     CUSTOM_ACTION_ENUM_TEXT[CUSTOM_ACTION_PAN_UP] = _("Pan Up");
 269     CUSTOM_ACTION_ENUM_TEXT[CUSTOM_ACTION_PAN_DOWN] = _("Pan Down");
 270     CUSTOM_ACTION_ENUM_TEXT[CUSTOM_ACTION_PAN_LEFT] = _("Pan Left");
 271     CUSTOM_ACTION_ENUM_TEXT[CUSTOM_ACTION_PAN_RIGHT] = _("Pan Right");
 272     CUSTOM_ACTION_ENUM_TEXT[CUSTOM_ACTION_RESET_VIEW_ANGLE]
 273         = _("Reset Viewing Angle");
 274     CUSTOM_ACTION_ENUM_TEXT[CUSTOM_ACTION_ROTATE_CLOCKWISE]
 275         = _("Rotate View Clockwise");
 276     CUSTOM_ACTION_ENUM_TEXT[CUSTOM_ACTION_ROTATE_COUNTERCLOCKWISE]
 277         = _("Rotate View Counter-Clockwise");
 278     CUSTOM_ACTION_ENUM_TEXT[CUSTOM_ACTION_TOGGLE_AUTOCENTER]
 279         = _("Toggle Auto-Center");
 280     CUSTOM_ACTION_ENUM_TEXT[CUSTOM_ACTION_TOGGLE_AUTOROTATE]
 281         = _("Toggle Auto-Rotate");
 282     CUSTOM_ACTION_ENUM_TEXT[CUSTOM_ACTION_TOGGLE_FULLSCREEN]
 283         = _("Toggle Fullscreen");
 284     CUSTOM_ACTION_ENUM_TEXT[CUSTOM_ACTION_ZOOM_IN] = _("Zoom In");
 285     CUSTOM_ACTION_ENUM_TEXT[CUSTOM_ACTION_ZOOM_OUT] = _("Zoom Out");
 286     CUSTOM_ACTION_ENUM_TEXT[CUSTOM_ACTION_TOGGLE_TRACKS] = _("Toggle Tracks");
 287     CUSTOM_ACTION_ENUM_TEXT[CUSTOM_ACTION_TOGGLE_SCALE] = _("Toggle Scale");
 288     CUSTOM_ACTION_ENUM_TEXT[CUSTOM_ACTION_TOGGLE_POI] = _("Toggle POIs");
 289     CUSTOM_ACTION_ENUM_TEXT[CUSTOM_ACTION_CHANGE_REPO]
 290         = _("Select Next Repository");
 291     CUSTOM_ACTION_ENUM_TEXT[CUSTOM_ACTION_ROUTE_DISTNEXT]
 292         = _("Show Distance to Next Waypoint");
 293     CUSTOM_ACTION_ENUM_TEXT[CUSTOM_ACTION_ROUTE_DISTLAST]
 294         = _("Show Distance to End of Route");
 295     CUSTOM_ACTION_ENUM_TEXT[CUSTOM_ACTION_TRACK_BREAK]=_("Insert Track Break");
 296     CUSTOM_ACTION_ENUM_TEXT[CUSTOM_ACTION_TRACK_CLEAR] = _("Clear Track");
 297     CUSTOM_ACTION_ENUM_TEXT[CUSTOM_ACTION_TRACK_DISTLAST]
 298         = _("Show Distance from Last Break");
 299     CUSTOM_ACTION_ENUM_TEXT[CUSTOM_ACTION_TRACK_DISTFIRST]
 300         = _("Show Distance from Beginning");
 301     CUSTOM_ACTION_ENUM_TEXT[CUSTOM_ACTION_TOGGLE_GPS] = _("Toggle GPS");
 302     CUSTOM_ACTION_ENUM_TEXT[CUSTOM_ACTION_TOGGLE_GPSINFO]=_("Toggle GPS Info");
 303     CUSTOM_ACTION_ENUM_TEXT[CUSTOM_ACTION_TOGGLE_SPEEDLIMIT]
 304         = _("Toggle Speed Limit");
 305     CUSTOM_ACTION_ENUM_TEXT[CUSTOM_ACTION_RESET_BLUETOOTH]
 306         = _("Reset Bluetooth");
 307
 308     DEG_FORMAT_ENUM_TEXT[DDPDDDDD] = "-dd.ddddd°";
 309     DEG_FORMAT_ENUM_TEXT[DD_MMPMMM] = "-dd°mm.mmm'";
 310     DEG_FORMAT_ENUM_TEXT[DD_MM_SSPS] = "-dd°mm'ss.s\"";
 311     DEG_FORMAT_ENUM_TEXT[DDPDDDDD_NSEW] = "dd.ddddd° S";
 312     DEG_FORMAT_ENUM_TEXT[DD_MMPMMM_NSEW] = "dd°mm.mmm' S";
 313     DEG_FORMAT_ENUM_TEXT[DD_MM_SSPS_NSEW] = "dd°mm'ss.s\" S";
 314     DEG_FORMAT_ENUM_TEXT[NSEW_DDPDDDDD] = "S dd.ddddd°";
 315     DEG_FORMAT_ENUM_TEXT[NSEW_DD_MMPMMM] = "S dd° mm.mmm'";
 316     DEG_FORMAT_ENUM_TEXT[NSEW_DD_MM_SSPS] = "S dd° mm' ss.s\"";
 317
 318     SPEED_LOCATION_ENUM_TEXT[SPEED_LOCATION_TOP_LEFT] = _("Top-Left");
 319     SPEED_LOCATION_ENUM_TEXT[SPEED_LOCATION_TOP_RIGHT] = _("Top-Right");
 320     SPEED_LOCATION_ENUM_TEXT[SPEED_LOCATION_BOTTOM_RIGHT] = _("Bottom-Right");
 321     SPEED_LOCATION_ENUM_TEXT[SPEED_LOCATION_BOTTOM_LEFT] = _("Bottom-Left");
 322
 323     GPS_RCVR_ENUM_TEXT[GPS_RCVR_BT] = _("Bluetooth");
 324     GPS_RCVR_ENUM_TEXT[GPS_RCVR_GPSD] = _("GPSD");
 325     GPS_RCVR_ENUM_TEXT[GPS_RCVR_FILE] = _("File");
 326
 327     /* Set up track array (must be done before config). */
 328     memset(&_track, 0, sizeof(_track));
 329     memset(&_route, 0, sizeof(_route));
 330     MACRO_PATH_INIT(_track);
 331     MACRO_PATH_INIT(_route);
 332
 333     _mapdb_mutex = g_mutex_new();
 334     _mut_priority_mutex = g_mutex_new();
 335     _mouse_mutex = g_mutex_new();
 336
 337     _conic_connection_mutex = g_mutex_new();
 338     _conic_connection_cond = g_cond_new();
 339
 340     settings_init();
 341     map_cache_init(_map_cache_size);
 342
 343     /* Initialize _program. */
 344     _program = HILDON_PROGRAM(hildon_program_get_instance());
 345     g_set_application_name("Maemo Mapper");
 346
 347     /* Initialize _window. */
 348     _window = GTK_WIDGET(hildon_window_new());
 349     hildon_program_add_window(_program, HILDON_WINDOW(_window));
 350
 351     /* Lets go fullscreen if so requested in saved config */
 352     if (_fullscreen) {
 353       gtk_window_fullscreen(GTK_WINDOW(_window));
 354     }
 355
 356     /* Create and add widgets and supporting data. */
 357     hbox = gtk_hbox_new(FALSE, 0);
 358     gtk_container_add(GTK_CONTAINER(_window), hbox);
 359
 360     _gps_widget = gtk_frame_new("GPS Info");
 361     gtk_container_add(GTK_CONTAINER(_gps_widget),
 362             vbox = gtk_vbox_new(FALSE, 0));
 363     gtk_widget_set_size_request(GTK_WIDGET(_gps_widget), 180, 0);
 364     gtk_box_pack_start(GTK_BOX(hbox), _gps_widget, FALSE, TRUE, 0);
 365
 366     label = gtk_label_new(" ");
 367     gtk_widget_set_size_request(GTK_WIDGET(label), -1, 10);
 368     gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, TRUE, 0);
 369
 370     _text_lat = gtk_label_new(" --- ");
 371     gtk_widget_set_size_request(GTK_WIDGET(_text_lat), -1, 30);
 372     gtk_box_pack_start(GTK_BOX(vbox), _text_lat, FALSE, TRUE, 0);
 373
 374     _text_lon = gtk_label_new(" --- ");
 375     gtk_widget_set_size_request(GTK_WIDGET(_text_lon), -1, 30);
 376     gtk_box_pack_start(GTK_BOX(vbox), _text_lon, FALSE, TRUE, 0);
 377
 378     _text_speed = gtk_label_new(" --- ");
 379     gtk_widget_set_size_request(GTK_WIDGET(_text_speed), -1, 30);
 380     gtk_box_pack_start(GTK_BOX(vbox), _text_speed, FALSE, TRUE, 0);
 381
 382     _text_alt = gtk_label_new(" --- ");
 383     gtk_widget_set_size_request(GTK_WIDGET(_text_alt), -1, 30);
 384     gtk_box_pack_start(GTK_BOX(vbox), _text_alt, FALSE, TRUE, 0);
 385
 386     label = gtk_label_new(" ");
 387     gtk_widget_set_size_request(GTK_WIDGET(label), -1, 10);
 388     gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, TRUE, 0);
 389
 390     _sat_panel = gtk_drawing_area_new ();
 391     gtk_widget_set_size_request (_sat_panel, -1, 100);
 392     gtk_box_pack_start(GTK_BOX(vbox), _sat_panel, TRUE, TRUE, 0);
 393
 394     label = gtk_label_new(" ");
 395     gtk_widget_set_size_request(GTK_WIDGET(label), -1, 10);
 396     gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, TRUE, 0);
 397
 398     _text_time = gtk_label_new("--:--:--");
 399     gtk_widget_set_size_request(GTK_WIDGET(_text_time), -1, 30);
 400     gtk_box_pack_start(GTK_BOX(vbox), _text_time, FALSE, TRUE, 0);
 401
 402     _heading_panel = gtk_drawing_area_new ();
 403     gtk_widget_set_size_request (_heading_panel, -1, 100);
 404     gtk_box_pack_start(GTK_BOX(vbox), _heading_panel, TRUE, TRUE, 0);
 405
 406     _map_widget = gtk_drawing_area_new();
 407
 408     gtk_box_pack_start(GTK_BOX(hbox), _map_widget, TRUE, TRUE, 0);
 409
 410     gtk_widget_show_all(hbox);
 411     gps_show_info(); /* hides info, if necessary. */
 412
 413     gtk_widget_realize(_map_widget);
 414
 415     /* Tweak the foreground and background colors a little bit... */
 416     {
 417         GdkColor color;
 418         GdkGCValues values;
 419         GdkColormap *colormap = gtk_widget_get_colormap(_map_widget);
 420
 421         gdk_gc_get_values(
 422                 _map_widget->style->fg_gc[GTK_STATE_NORMAL],
 423                 &values);
 424         gdk_colormap_query_color(colormap, values.foreground.pixel, &color);
 425         gtk_widget_modify_fg(_map_widget, GTK_STATE_ACTIVE, &color);
 426
 427         gdk_gc_get_values(
 428                 _map_widget->style->bg_gc[GTK_STATE_NORMAL],
 429                 &values);
 430         gdk_colormap_query_color(colormap, values.foreground.pixel, &color);
 431         gtk_widget_modify_bg(_map_widget, GTK_STATE_ACTIVE, &color);
 432
 433         /* Use a black background for _map_widget, since missing tiles are
 434          * also drawn with a black background. */
 435         color.red = 0; color.green = 0; color.blue = 0;
 436         gtk_widget_modify_bg(_map_widget,
 437                 GTK_STATE_NORMAL, &color);
 438     }
 439
 440     _map_pixmap = gdk_pixmap_new(_map_widget->window, 1, 1, -1);
 441     /* -1: use bit depth of widget->window. */
 442
 443     _map_pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8, 1, 1);
 444
 445     _mut_exists_table = g_hash_table_new(
 446             (GHashFunc)mut_exists_hashfunc, (GEqualFunc)mut_exists_equalfunc);
 447     _mut_priority_tree = g_tree_new((GCompareFunc)mut_priority_comparefunc);
 448
 449     _mut_thread_pool = g_thread_pool_new(
 450             (GFunc)thread_proc_mut, NULL, NUM_DOWNLOAD_THREADS, FALSE, NULL);
 451     _mrt_thread_pool = g_thread_pool_new(
 452             (GFunc)thread_render_map, NULL, 1, FALSE, NULL);
 453
 454     /* Connect signals. */
 455     g_signal_connect(G_OBJECT(_window), "destroy",
 456             G_CALLBACK(gtk_main_quit), NULL);
 457
 458     memset(&_autoroute_data, 0, sizeof(_autoroute_data));
 459
 460     latlon2unit(_gps.lat, _gps.lon, _pos.unitx, _pos.unity);
 461
 462     /* Initialize our line styles. */
 463     update_gcs();
 464
 465     menu_init();
 466     cmenu_init();
 467     path_init();
 468     gps_init();
 469     input_init();
 470     poi_db_connect();
 471     display_init();
 472     dbus_ifc_init();
 473
 474     /* If present, attempt to load the file specified on the command line. */
 475     if(argc > 1)
 476     {
 477         GnomeVFSResult vfs_result;
 478         gint size;
 479         gchar *buffer;
 480         gchar *file_uri;
 481
 482         /* Get the selected filename. */
 483         file_uri = gnome_vfs_make_uri_from_shell_arg(argv[1]);
 484
 485         if(GNOME_VFS_OK != (vfs_result = gnome_vfs_read_entire_file(
 486                         file_uri, &size, &buffer)))
 487         {
 488             gchar buffer[BUFFER_SIZE];
 489             snprintf(buffer, sizeof(buffer),
 490                     "%s:\n%s", _("Failed to open file for reading"),
 491                     gnome_vfs_result_to_string(vfs_result));
 492             popup_error(_window, buffer);
 493         }
 494         else
 495         {
 496             if(gpx_path_parse(&_route, buffer, size, 0))
 497             {
 498                 path_save_route_to_db();
 499                 MACRO_BANNER_SHOW_INFO(_window, _("Route Opened"));
 500             }
 501             else
 502                 popup_error(_window, _("Error parsing GPX file."));
 503             g_free(buffer);
 504         }
 505         g_free(file_uri);
 506     }
 507
 508     /* If we have a route, calculate the next point. */
 509     route_find_nearest_point();
 510
 511     _conic_conn = con_ic_connection_new();
 512     g_object_set(_conic_conn, "automatic-connection-events", TRUE, NULL);
 513     g_signal_connect(G_OBJECT(_conic_conn), "connection-event",
 514             G_CALLBACK(conic_conn_event), NULL);
 515
 516     g_idle_add((GSourceFunc)window_present, NULL);
 517
 518
 519     osso_hw_set_event_cb(_osso, NULL, osso_cb_hw_state, NULL);
 520
 521     vprintf("%s(): return\n", __PRETTY_FUNCTION__);
 522 }
 523
 524 static gboolean
 525 osso_cb_hw_state_idle(osso_hw_state_t *state)
 526 {
 527     static gboolean _must_save_data = FALSE;
 528     printf("%s(inact=%d, save=%d, shut=%d, memlow=%d, state=%d)\n",
 529             __PRETTY_FUNCTION__, state->system_inactivity_ind,
 530             state->save_unsaved_data_ind, state->shutdown_ind,
 531             state->memory_low_ind, state->sig_device_mode_ind);
 532
 533     if(state->shutdown_ind)
 534     {
 535         maemo_mapper_destroy();
 536         exit(1);
 537     }
 538
 539     if(state->save_unsaved_data_ind)
 540     {
 541         settings_save();
 542         _must_save_data = TRUE;
 543     }
 544
 545     if(state->memory_low_ind)
 546     {
 547         // Disable the map cache and set the next max cache size to
 548         // slightly less than the current cache size.
 549         _map_cache_size = map_cache_resize(0) * 0.8;
 550         _map_cache_enabled = FALSE;
 551     }
 552     else
 553     {
 554         if(!_map_cache_enabled)
 555         {
 556             // Restore the map cache.
 557             map_cache_resize(_map_cache_size);
 558             _map_cache_enabled = TRUE;
 559         }
 560     }
 561
 562     g_free(state);
 563
 564     vprintf("%s(): return\n", __PRETTY_FUNCTION__);
 565     return FALSE;
 566 }
 567
 568 static void
 569 osso_cb_hw_state(osso_hw_state_t *state, gpointer data)
 570 {
 571     printf("%s()\n", __PRETTY_FUNCTION__);
 572     osso_hw_state_t *state_copy = g_new(osso_hw_state_t, 1);
 573     memcpy(state_copy, state, sizeof(osso_hw_state_t));
 574     g_idle_add((GSourceFunc)osso_cb_hw_state_idle, state_copy);
 575     vprintf("%s(): return\n", __PRETTY_FUNCTION__);
 576 }
 577
 578 gint
 579 main(gint argc, gchar *argv[])
 580 {
 581     printf("%s()\n", __PRETTY_FUNCTION__);
 582
 583     /* Initialize localization. */
 584     setlocale(LC_ALL, "");
 585     bindtextdomain(GETTEXT_PACKAGE, LOCALEDIR);
 586     bind_textdomain_codeset(GETTEXT_PACKAGE, "UTF-8");
 587     textdomain(GETTEXT_PACKAGE);
 588
 589     g_thread_init(NULL);
 590
 591     /* Initialize _osso. */
 592     _osso = osso_initialize("com.gnuite.maemo_mapper", VERSION, TRUE, NULL);
 593     if(!_osso)
 594     {
 595         g_printerr("osso_initialize failed.\n");
 596         return 1;
 597     }
 598
 599     gtk_init(&argc, &argv);
 600
 601     /* Init gconf. */
 602     g_type_init();
 603     gconf_init(argc, argv, NULL);
 604
 605     /* Init Gnome-VFS. */
 606     gnome_vfs_init();
 607
 608 #ifdef DEBUG
 609     /* This is just some helpful DBUS testing code. */
 610     if(argc >= 3)
 611     {
 612         /* Try to set the center to a new lat/lon. */
 613         GError *error = NULL;
 614         gchar *error_check;
 615         gdouble lat, lon;
 616         DBusGConnection *bus;
 617         DBusGProxy *proxy;
 618
 619         bus = dbus_g_bus_get(DBUS_BUS_SESSION, &error);
 620         if(!bus || error)
 621         {
 622             g_printerr("Error: %s\n", error->message);
 623             return -1;
 624         }
 625
 626         proxy = dbus_g_proxy_new_for_name(bus,
 627                         MM_DBUS_SERVICE, MM_DBUS_PATH, MM_DBUS_INTERFACE);
 628
 629         lat = g_ascii_strtod((argv[1]), &error_check);
 630         if(error_check == argv[1])
 631         {
 632             g_printerr("Failed to parse string as float: %s\n", argv[1]);
 633             return 1;
 634         }
 635
 636         lon = g_ascii_strtod((argv[2]), &error_check);
 637         if(error_check == argv[2])
 638         {
 639             g_printerr("Failed to parse string as float: %s\n", argv[2]);
 640             return 2;
 641         }
 642
 643         error = NULL;
 644         if(argc >= 4)
 645         {
 646             /* We are specifying a zoom. */
 647             gint zoom;
 648
 649             zoom = g_ascii_strtod((argv[3]), &error_check);
 650             if(error_check == argv[3])
 651             {
 652                 g_printerr("Failed to parse string as integer: %s\n", argv[3]);
 653                 return 3;
 654             }
 655             if(!dbus_g_proxy_call(proxy, MM_DBUS_METHOD_SET_VIEW_POSITION,
 656                         &error,
 657                         G_TYPE_DOUBLE, lat, G_TYPE_DOUBLE, lon,
 658                         G_TYPE_INT, zoom, G_TYPE_INVALID,
 659                         G_TYPE_INVALID)
 660                     || error)
 661             {
 662                 g_printerr("Error: %s\n", error->message);
 663                 return 4;
 664             }
 665         }
 666         else
 667         {
 668             /* Not specifying a zoom. */
 669             if(!dbus_g_proxy_call(proxy, MM_DBUS_METHOD_SET_VIEW_POSITION,
 670                         &error,
 671                         G_TYPE_DOUBLE, lat, G_TYPE_DOUBLE, lon, G_TYPE_INVALID,
 672                         G_TYPE_INVALID)
 673                     || error)
 674             {
 675                 g_printerr("Error: %s\n", error->message);
 676                 return -2;
 677             }
 678         }
 679
 680         g_object_unref(proxy);
 681         dbus_g_connection_unref(bus);
 682
 683         return 0;
 684     }
 685 #endif
 686
 687     maemo_mapper_init(argc, argv);
 688
 689     gtk_main();
 690
 691     maemo_mapper_destroy();
 692
 693     osso_deinitialize(_osso);
 694
 695     vprintf("%s(): return\n", __PRETTY_FUNCTION__);
 696     exit(0);
 697 }
 698