grab timezone names from geomaps; flesh out support for timezone completion in main map and locations dialog; show times in locations dialog

1 files changed, 456 insertions, 10 deletions

diff --git a/libmap/cc-timezone-map.c b/libmap/cc-timezone-map.c
index 960a049..7647925 100644
--- a/libmap/cc-timezone-map.c
+++ b/libmap/cc-timezone-map.c
@@ -1,5 +1,6 @@
 /*
  * Copyright (C) 2010 Intel, Inc
+ * Copyright (C) 2011 Canonical Ltd.
  *
  * Portions from Ubiquity, Copyright (C) 2009 Canonical Ltd.
  * Written by Evan Dandrea <evand@ubuntu.com>
@@ -48,10 +49,15 @@ struct _CcTimezoneMapPrivate
 
   GdkPixbuf *background;
   GdkPixbuf *color_map;
+  GdkPixbuf *olsen_map;
 
   guchar *visible_map_pixels;
   gint visible_map_rowstride;
 
+  gint olsen_map_channels;
+  guchar *olsen_map_pixels;
+  gint olsen_map_rowstride;
+
   gdouble selected_offset;
 
   TzDB *tzdb;
@@ -111,6 +117,388 @@ static CcTimezoneMapOffset color_codes[] =
     {-100, 0, 0, 0, 0 }
 };
 
+static const gchar * olsen_map_timezones[] = {
+    "Africa/Abidjan",
+    "Africa/Accra",
+    "Africa/Addis_Ababa",
+    "Africa/Algiers",
+    "Africa/Asmara",
+    "Africa/Bamako",
+    "Africa/Bangui",
+    "Africa/Banjul",
+    "Africa/Bissau",
+    "Africa/Blantyre",
+    "Africa/Brazzaville",
+    "Africa/Bujumbura",
+    "Africa/Cairo",
+    "Africa/Casablanca",
+    "Africa/Conakry",
+    "Africa/Dakar",
+    "Africa/Dar_es_Salaam",
+    "Africa/Djibouti",
+    "Africa/Douala",
+    "Africa/El_Aaiun",
+    "Africa/Freetown",
+    "Africa/Gaborone",
+    "Africa/Harare",
+    "Africa/Johannesburg",
+    "Africa/Kampala",
+    "Africa/Khartoum",
+    "Africa/Kigali",
+    "Africa/Kinshasa",
+    "Africa/Lagos",
+    "Africa/Libreville",
+    "Africa/Lome",
+    "Africa/Luanda",
+    "Africa/Lubumbashi",
+    "Africa/Lusaka",
+    "Africa/Malabo",
+    "Africa/Maputo",
+    "Africa/Maseru",
+    "Africa/Mbabane",
+    "Africa/Mogadishu",
+    "Africa/Monrovia",
+    "Africa/Nairobi",
+    "Africa/Ndjamena",
+    "Africa/Niamey",
+    "Africa/Nouakchott",
+    "Africa/Ouagadougou",
+    "Africa/Porto-Novo",
+    "Africa/Sao_Tome",
+    "Africa/Tripoli",
+    "Africa/Tunis",
+    "Africa/Windhoek",
+    "America/Adak",
+    "America/Anguilla",
+    "America/Antigua",
+    "America/Araguaina",
+    "America/Argentina/Buenos_Aires",
+    "America/Argentina/Catamarca",
+    "America/Argentina/Cordoba",
+    "America/Argentina/Jujuy",
+    "America/Argentina/La_Rioja",
+    "America/Argentina/Mendoza",
+    "America/Argentina/Rio_Gallegos",
+    "America/Argentina/San_Juan",
+    "America/Argentina/San_Luis",
+    "America/Argentina/Tucuman",
+    "America/Argentina/Ushuaia",
+    "America/Aruba",
+    "America/Asuncion",
+    "America/Atikokan",
+    "America/Bahia",
+    "America/Barbados",
+    "America/Belem",
+    "America/Belize",
+    "America/Blanc-Sablon",
+    "America/Boa_Vista",
+    "America/Bogota",
+    "America/Boise",
+    "America/Cambridge_Bay",
+    "America/Campo_Grande",
+    "America/Cancun",
+    "America/Caracas",
+    "America/Cayenne",
+    "America/Cayman",
+    "America/Chicago",
+    "America/Chihuahua",
+    "America/Coral_Harbour",
+    "America/Costa_Rica",
+    "America/Cuiaba",
+    "America/Curacao",
+    "America/Dawson",
+    "America/Dawson_Creek",
+    "America/Denver",
+    "America/Dominica",
+    "America/Edmonton",
+    "America/Eirunepe",
+    "America/El_Salvador",
+    "America/Fortaleza",
+    "America/Glace_Bay",
+    "America/Goose_Bay",
+    "America/Grand_Turk",
+    "America/Grenada",
+    "America/Guadeloupe",
+    "America/Guatemala",
+    "America/Guayaquil",
+    "America/Guyana",
+    "America/Halifax",
+    "America/Havana",
+    "America/Hermosillo",
+    "America/Indiana/Indianapolis",
+    "America/Indiana/Knox",
+    "America/Indiana/Marengo",
+    "America/Indiana/Petersburg",
+    "America/Indiana/Vevay",
+    "America/Indiana/Vincennes",
+    "America/Indiana/Winamac",
+    "America/Inuvik",
+    "America/Iqaluit",
+    "America/Jamaica",
+    "America/Juneau",
+    "America/Kentucky/Louisville",
+    "America/Kentucky/Monticello",
+    "America/La_Paz",
+    "America/Lima",
+    "America/Los_Angeles",
+    "America/Maceio",
+    "America/Managua",
+    "America/Manaus",
+    "America/Marigot",
+    "America/Martinique",
+    "America/Mazatlan",
+    "America/Menominee",
+    "America/Merida",
+    "America/Mexico_City",
+    "America/Miquelon",
+    "America/Moncton",
+    "America/Monterrey",
+    "America/Montevideo",
+    "America/Montreal",
+    "America/Montserrat",
+    "America/Nassau",
+    "America/New_York",
+    "America/Nipigon",
+    "America/Noronha",
+    "America/North_Dakota/Center",
+    "America/North_Dakota/Salem",
+    "America/Panama",
+    "America/Pangnirtung",
+    "America/Paramaribo",
+    "America/Phoenix",
+    "America/Port-au-Prince",
+    "America/Port_of_Spain",
+    "America/Porto_Velho",
+    "America/Puerto_Rico",
+    "America/Rainy_River",
+    "America/Rankin_Inlet",
+    "America/Recife",
+    "America/Regina",
+    "America/Resolute",
+    "America/Rio_Branco",
+    "America/Santarem",
+    "America/Santiago",
+    "America/Santo_Domingo",
+    "America/Sao_Paulo",
+    "America/St_Barthelemy",
+    "America/St_Johns",
+    "America/St_Kitts",
+    "America/St_Lucia",
+    "America/St_Thomas",
+    "America/St_Vincent",
+    "America/Tegucigalpa",
+    "America/Thunder_Bay",
+    "America/Tijuana",
+    "America/Toronto",
+    "America/Tortola",
+    "America/Vancouver",
+    "America/Whitehorse",
+    "America/Winnipeg",
+    "America/Yellowknife",
+    "Ameriica/Swift_Current",
+    "Arctic/Longyearbyen",
+    "Asia/Aden",
+    "Asia/Almaty",
+    "Asia/Amman",
+    "Asia/Anadyr",
+    "Asia/Aqtau",
+    "Asia/Aqtobe",
+    "Asia/Ashgabat",
+    "Asia/Baghdad",
+    "Asia/Bahrain",
+    "Asia/Baku",
+    "Asia/Bangkok",
+    "Asia/Beirut",
+    "Asia/Bishkek",
+    "Asia/Brunei",
+    "Asia/Choibalsan",
+    "Asia/Chongqing",
+    "Asia/Colombo",
+    "Asia/Damascus",
+    "Asia/Dhaka",
+    "Asia/Dili",
+    "Asia/Dubai",
+    "Asia/Dushanbe",
+    "Asia/Gaza",
+    "Asia/Harbin",
+    "Asia/Ho_Chi_Minh",
+    "Asia/Hong_Kong",
+    "Asia/Hovd",
+    "Asia/Irkutsk",
+    "Asia/Jakarta",
+    "Asia/Jayapura",
+    "Asia/Jerusalem",
+    "Asia/Kabul",
+    "Asia/Kamchatka",
+    "Asia/Karachi",
+    "Asia/Kashgar",
+    "Asia/Katmandu",
+    "Asia/Kolkata",
+    "Asia/Krasnoyarsk",
+    "Asia/Kuala_Lumpur",
+    "Asia/Kuching",
+    "Asia/Kuwait",
+    "Asia/Macau",
+    "Asia/Magadan",
+    "Asia/Makassar",
+    "Asia/Manila",
+    "Asia/Muscat",
+    "Asia/Nicosia",
+    "Asia/Novosibirsk",
+    "Asia/Omsk",
+    "Asia/Oral",
+    "Asia/Phnom_Penh",
+    "Asia/Pontianak",
+    "Asia/Pyongyang",
+    "Asia/Qatar",
+    "Asia/Qyzylorda",
+    "Asia/Rangoon",
+    "Asia/Riyadh",
+    "Asia/Sakhalin",
+    "Asia/Samarkand",
+    "Asia/Seoul",
+    "Asia/Shanghai",
+    "Asia/Singapore",
+    "Asia/Taipei",
+    "Asia/Tashkent",
+    "Asia/Tbilisi",
+    "Asia/Tehran",
+    "Asia/Thimphu",
+    "Asia/Tokyo",
+    "Asia/Ulaanbaatar",
+    "Asia/Urumqi",
+    "Asia/Vientiane",
+    "Asia/Vladivostok",
+    "Asia/Yakutsk",
+    "Asia/Yekaterinburg",
+    "Asia/Yerevan",
+    "Atlantic/Azores",
+    "Atlantic/Bermuda",
+    "Atlantic/Canary",
+    "Atlantic/Cape_Verde",
+    "Atlantic/Faroe",
+    "Atlantic/Madeira",
+    "Atlantic/Reykjavik",
+    "Atlantic/South_Georgia",
+    "Atlantic/St_Helena",
+    "Atlantic/Stanley",
+    "Australia/Adelaide",
+    "Australia/Brisbane",
+    "Australia/Broken_Hill",
+    "Australia/Currie",
+    "Australia/Darwin",
+    "Australia/Eucla",
+    "Australia/Hobart",
+    "Australia/Lindeman",
+    "Australia/Lord_Howe",
+    "Australia/Melbourne",
+    "Australia/Perth",
+    "Australia/Sydney",
+    "Europe/Amsterdam",
+    "Europe/Andorra",
+    "Europe/Athens",
+    "Europe/Belgrade",
+    "Europe/Berlin",
+    "Europe/Bratislava",
+    "Europe/Brussels",
+    "Europe/Bucharest",
+    "Europe/Budapest",
+    "Europe/Chisinau",
+    "Europe/Copenhagen",
+    "Europe/Dublin",
+    "Europe/Gibraltar",
+    "Europe/Guernsey",
+    "Europe/Helsinki",
+    "Europe/Isle_of_Man",
+    "Europe/Istanbul",
+    "Europe/Jersey",
+    "Europe/Kaliningrad",
+    "Europe/Kiev",
+    "Europe/Lisbon",
+    "Europe/Ljubljana",
+    "Europe/London",
+    "Europe/Luxembourg",
+    "Europe/Madrid",
+    "Europe/Malta",
+    "Europe/Marienhamn",
+    "Europe/Minsk",
+    "Europe/Monaco",
+    "Europe/Moscow",
+    "Europe/Oslo",
+    "Europe/Paris",
+    "Europe/Podgorica",
+    "Europe/Prague",
+    "Europe/Riga",
+    "Europe/Rome",
+    "Europe/Samara",
+    "Europe/San_Marino",
+    "Europe/Sarajevo",
+    "Europe/Simferopol",
+    "Europe/Skopje",
+    "Europe/Sofia",
+    "Europe/Stockholm",
+    "Europe/Tallinn",
+    "Europe/Tirane",
+    "Europe/Uzhgorod",
+    "Europe/Vaduz",
+    "Europe/Vatican",
+    "Europe/Vienna",
+    "Europe/Vilnius",
+    "Europe/Volgograd",
+    "Europe/Warsaw",
+    "Europe/Zagreb",
+    "Europe/Zaporozhye",
+    "Europe/Zurich",
+    "Indian/Antananarivo",
+    "Indian/Chagos",
+    "Indian/Christmas",
+    "Indian/Cocos",
+    "Indian/Comoro",
+    "Indian/Kerguelen",
+    "Indian/Mahe",
+    "Indian/Maldives",
+    "Indian/Mauritius",
+    "Indian/Mayotte",
+    "Indian/Reunion",
+    "Pacific/Apia",
+    "Pacific/Auckland",
+    "Pacific/Chatham",
+    "Pacific/Easter",
+    "Pacific/Efate",
+    "Pacific/Enderbury",
+    "Pacific/Fakaofo",
+    "Pacific/Fiji",
+    "Pacific/Funafuti",
+    "Pacific/Galapagos",
+    "Pacific/Gambier",
+    "Pacific/Guadalcanal",
+    "Pacific/Guam",
+    "Pacific/Honolulu",
+    "Pacific/Johnston",
+    "Pacific/Kiritimati",
+    "Pacific/Kosrae",
+    "Pacific/Kwajalein",
+    "Pacific/Majuro",
+    "Pacific/Marquesas",
+    "Pacific/Midway",
+    "Pacific/Nauru",
+    "Pacific/Niue",
+    "Pacific/Norfolk",
+    "Pacific/Noumea",
+    "Pacific/Pago_Pago",
+    "Pacific/Palau",
+    "Pacific/Pitcairn",
+    "Pacific/Ponape",
+    "Pacific/Port_Moresby",
+    "Pacific/Rarotonga",
+    "Pacific/Saipan",
+    "Pacific/Tahiti",
+    "Pacific/Tarawa",
+    "Pacific/Tongatapu",
+    "Pacific/Truk",
+    "Pacific/Wake",
+    "Pacific/Wallis"
+};
 
 static void
 cc_timezone_map_get_property (GObject    *object,
@@ -155,6 +543,16 @@ cc_timezone_map_dispose (GObject *object)
       priv->orig_color_map = NULL;
     }
 
+  if (priv->olsen_map)
+    {
+      g_object_unref (priv->olsen_map);
+      priv->olsen_map = NULL;
+
+      priv->olsen_map_channels = 0;
+      priv->olsen_map_pixels = NULL;
+      priv->olsen_map_rowstride = 0;
+    }
+
   if (priv->background)
     {
       g_object_unref (priv->background);
@@ -513,12 +911,10 @@ set_location (CcTimezoneMap *map,
   tz_info_free (info);
 }
 
-static gboolean
-button_press_event (GtkWidget      *widget,
-                    GdkEventButton *event)
+static TzLocation *
+get_loc_for_xy (GtkWidget * widget, gint x, gint y)
 {
   CcTimezoneMapPrivate *priv = CC_TIMEZONE_MAP (widget)->priv;
-  gint x, y;
   guchar r, g, b, a;
   guchar *pixels;
   gint rowstride;
@@ -529,10 +925,6 @@ button_press_event (GtkWidget      *widget,
   GList *distances = NULL;
   GtkAllocation alloc;
 
-  x = event->x;
-  y = event->y;
-
-
   rowstride = priv->visible_map_rowstride;
   pixels = priv->visible_map_pixels;
 
@@ -578,11 +970,19 @@ button_press_event (GtkWidget      *widget,
     }
   distances = g_list_sort (distances, (GCompareFunc) sort_locations);
 
-
-  set_location (CC_TIMEZONE_MAP (widget), (TzLocation*) distances->data);
+  TzLocation * loc = (TzLocation*) distances->data;
 
   g_list_free (distances);
 
+  return loc;
+}
+
+static gboolean
+button_press_event (GtkWidget      *widget,
+                    GdkEventButton *event)
+{
+  TzLocation * loc = get_loc_for_xy (widget, event->x, event->y);
+  set_location (CC_TIMEZONE_MAP (widget), loc);
   return TRUE;
 }
 
@@ -664,6 +1064,18 @@ cc_timezone_map_init (CcTimezoneMap *self)
       g_clear_error (&err);
     }
 
+  priv->olsen_map = gdk_pixbuf_new_from_file (DATADIR "/olsen_map.png",
+                                              &err);
+  if (!priv->olsen_map)
+    {
+      g_warning ("Could not load olsen map: %s",
+                 (err) ? err->message : "Unknown error");
+      g_clear_error (&err);
+    }
+  priv->olsen_map_channels = gdk_pixbuf_get_n_channels (priv->olsen_map);
+  priv->olsen_map_pixels = gdk_pixbuf_get_pixels (priv->olsen_map);
+  priv->olsen_map_rowstride = gdk_pixbuf_get_rowstride (priv->olsen_map);
+
   priv->tzdb = tz_load_db ();
 
   g_signal_connect (self, "button-press-event", G_CALLBACK (button_press_event),
@@ -704,6 +1116,40 @@ cc_timezone_map_set_timezone (CcTimezoneMap *map,
   gtk_widget_queue_draw (GTK_WIDGET (map));
 }
 
+void
+cc_timezone_map_set_coords (CcTimezoneMap *map, gdouble lon, gdouble lat)
+{
+  const gchar * zone = cc_timezone_map_get_timezone_at_coords (map, lon, lat);
+  cc_timezone_map_set_timezone (map, zone);
+}
+
+const gchar *
+cc_timezone_map_get_timezone_at_coords (CcTimezoneMap *map, gdouble lon, gdouble lat)
+{
+  gint x = (int)(2048.0 / 360.0 * (180.0 + lon));
+  gint y = (int)(1024.0 / 180.0 * (90.0 - lat));
+  gint offset = map->priv->olsen_map_rowstride * y + x * map->priv->olsen_map_channels;
+  guchar color0 = map->priv->olsen_map_pixels[offset];
+  guchar color1 = map->priv->olsen_map_pixels[offset + 1];
+  gint zone = ((color0 & 248) << 1) + ((color1 >>4) & 15);
+
+  const gchar * city = NULL;
+  if (zone < G_N_ELEMENTS(olsen_map_timezones))
+    city = olsen_map_timezones[zone];
+
+  if (city != NULL) {
+    return city;
+  }
+  else {
+    GtkAllocation alloc;
+    gtk_widget_get_allocation (GTK_WIDGET (map), &alloc);
+    x = convert_longtitude_to_x(lon, alloc.width);
+    y = convert_latitude_to_y(lat, alloc.height);
+    TzLocation * loc = get_loc_for_xy(GTK_WIDGET (map), x, y);
+    return loc->zone;
+  }
+}
+
 TzLocation *
 cc_timezone_map_get_location (CcTimezoneMap *map)
 {