diff options
Diffstat (limited to 'libmap/cc-timezone-map.c')
| -rw-r--r-- | libmap/cc-timezone-map.c | 466 |
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) { |