diff options
Diffstat (limited to 'libmap/cc-timezone-map.c')
| -rw-r--r-- | libmap/cc-timezone-map.c | 1163 |
1 files changed, 0 insertions, 1163 deletions
diff --git a/libmap/cc-timezone-map.c b/libmap/cc-timezone-map.c deleted file mode 100644 index ff6eee8..0000000 --- a/libmap/cc-timezone-map.c +++ /dev/null @@ -1,1163 +0,0 @@ -/* - * 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> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - * - * Author: Thomas Wood <thomas.wood@intel.com> - * - */ - -#include "cc-timezone-map.h" -#include <math.h> -#include "tz.h" - -G_DEFINE_TYPE (CcTimezoneMap, cc_timezone_map, GTK_TYPE_WIDGET) - -#define TIMEZONE_MAP_PRIVATE(o) \ - (G_TYPE_INSTANCE_GET_PRIVATE ((o), CC_TYPE_TIMEZONE_MAP, CcTimezoneMapPrivate)) - - -typedef struct -{ - gdouble offset; - guchar red; - guchar green; - guchar blue; - guchar alpha; -} CcTimezoneMapOffset; - -struct _CcTimezoneMapPrivate -{ - GdkPixbuf *orig_background; - GdkPixbuf *orig_color_map; - - 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; - - gchar *watermark; - - TzDB *tzdb; - TzLocation *location; - GHashTable *alias_db; -}; - -enum -{ - LOCATION_CHANGED, - LAST_SIGNAL -}; - -static guint signals[LAST_SIGNAL]; - - -static CcTimezoneMapOffset color_codes[] = -{ - {-11.0, 43, 0, 0, 255 }, - {-10.0, 85, 0, 0, 255 }, - {-9.5, 102, 255, 0, 255 }, - {-9.0, 128, 0, 0, 255 }, - {-8.0, 170, 0, 0, 255 }, - {-7.0, 212, 0, 0, 255 }, - {-6.0, 255, 0, 1, 255 }, // north - {-6.0, 255, 0, 0, 255 }, // south - {-5.0, 255, 42, 42, 255 }, - {-4.5, 192, 255, 0, 255 }, - {-4.0, 255, 85, 85, 255 }, - {-3.5, 0, 255, 0, 255 }, - {-3.0, 255, 128, 128, 255 }, - {-2.0, 255, 170, 170, 255 }, - {-1.0, 255, 213, 213, 255 }, - {0.0, 43, 17, 0, 255 }, - {1.0, 85, 34, 0, 255 }, - {2.0, 128, 51, 0, 255 }, - {3.0, 170, 68, 0, 255 }, - {3.5, 0, 255, 102, 255 }, - {4.0, 212, 85, 0, 255 }, - {4.5, 0, 204, 255, 255 }, - {5.0, 255, 102, 0, 255 }, - {5.5, 0, 102, 255, 255 }, - {5.75, 0, 238, 207, 247 }, - {6.0, 255, 127, 42, 255 }, - {6.5, 204, 0, 254, 254 }, - {7.0, 255, 153, 85, 255 }, - {8.0, 255, 179, 128, 255 }, - {9.0, 255, 204, 170, 255 }, - {9.5, 170, 0, 68, 250 }, - {10.0, 255, 230, 213, 255 }, - {10.5, 212, 124, 21, 250 }, - {11.0, 212, 170, 0, 255 }, - {11.5, 249, 25, 87, 253 }, - {12.0, 255, 204, 0, 255 }, - {12.75, 254, 74, 100, 248 }, - {13.0, 255, 85, 153, 250 }, - {-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, - guint property_id, - GValue *value, - GParamSpec *pspec) -{ - switch (property_id) - { - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); - } -} - -static void -cc_timezone_map_set_property (GObject *object, - guint property_id, - const GValue *value, - GParamSpec *pspec) -{ - switch (property_id) - { - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); - } -} - -static void -cc_timezone_map_dispose (GObject *object) -{ - CcTimezoneMapPrivate *priv = CC_TIMEZONE_MAP (object)->priv; - - if (priv->orig_background) - { - g_object_unref (priv->orig_background); - priv->orig_background = NULL; - } - - if (priv->orig_color_map) - { - g_object_unref (priv->orig_color_map); - 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); - priv->background = NULL; - } - - if (priv->color_map) - { - g_object_unref (priv->color_map); - priv->color_map = NULL; - - priv->visible_map_pixels = NULL; - priv->visible_map_rowstride = 0; - } - - if (priv->alias_db) - { - g_hash_table_destroy (priv->alias_db); - priv->alias_db = NULL; - } - - if (priv->watermark) - { - g_free (priv->watermark); - priv->watermark = NULL; - } - - G_OBJECT_CLASS (cc_timezone_map_parent_class)->dispose (object); -} - -static void -cc_timezone_map_finalize (GObject *object) -{ - CcTimezoneMapPrivate *priv = CC_TIMEZONE_MAP (object)->priv; - - if (priv->tzdb) - { - tz_db_free (priv->tzdb); - priv->tzdb = NULL; - } - - - G_OBJECT_CLASS (cc_timezone_map_parent_class)->finalize (object); -} - -/* GtkWidget functions */ -static void -cc_timezone_map_get_preferred_width (GtkWidget *widget, - gint *minimum, - gint *natural) -{ - /* choose a minimum size small enough to prevent the window - * from growing horizontally - */ - if (minimum != NULL) - *minimum = 300; - if (natural != NULL) - *natural = 300; -} - -static void -cc_timezone_map_get_preferred_height (GtkWidget *widget, - gint *minimum, - gint *natural) -{ - CcTimezoneMapPrivate *priv = CC_TIMEZONE_MAP (widget)->priv; - gint size; - - /* The + 20 here is a slight tweak to make the map fill the - * panel better without causing horizontal growing - */ - size = 300 * gdk_pixbuf_get_height (priv->orig_background) / gdk_pixbuf_get_width (priv->orig_background) + 20; - if (minimum != NULL) - *minimum = size; - if (natural != NULL) - *natural = size; -} - -static void -cc_timezone_map_size_allocate (GtkWidget *widget, - GtkAllocation *allocation) -{ - CcTimezoneMapPrivate *priv = CC_TIMEZONE_MAP (widget)->priv; - - if (priv->background) - g_object_unref (priv->background); - - priv->background = gdk_pixbuf_scale_simple (priv->orig_background, - allocation->width, - allocation->height, - GDK_INTERP_BILINEAR); - - if (priv->color_map) - g_object_unref (priv->color_map); - - priv->color_map = gdk_pixbuf_scale_simple (priv->orig_color_map, - allocation->width, - allocation->height, - GDK_INTERP_BILINEAR); - - priv->visible_map_pixels = gdk_pixbuf_get_pixels (priv->color_map); - priv->visible_map_rowstride = gdk_pixbuf_get_rowstride (priv->color_map); - - GTK_WIDGET_CLASS (cc_timezone_map_parent_class)->size_allocate (widget, - allocation); -} - -static void -cc_timezone_map_realize (GtkWidget *widget) -{ - GdkWindowAttr attr = { 0, }; - GtkAllocation allocation; - GdkCursor *cursor; - GdkWindow *window; - - gtk_widget_get_allocation (widget, &allocation); - - gtk_widget_set_realized (widget, TRUE); - - attr.window_type = GDK_WINDOW_CHILD; - attr.wclass = GDK_INPUT_OUTPUT; - attr.width = allocation.width; - attr.height = allocation.height; - attr.x = allocation.x; - attr.y = allocation.y; - attr.event_mask = gtk_widget_get_events (widget) - | GDK_EXPOSURE_MASK | GDK_BUTTON_PRESS_MASK; - - window = gdk_window_new (gtk_widget_get_parent_window (widget), &attr, - GDK_WA_X | GDK_WA_Y); - - gdk_window_set_user_data (window, widget); - - cursor = gdk_cursor_new (GDK_HAND2); - gdk_window_set_cursor (window, cursor); - - gtk_widget_set_window (widget, window); -} - - -static gdouble -convert_longtitude_to_x (gdouble longitude, gint map_width) -{ - const gdouble xdeg_offset = -6; - gdouble x; - - x = (map_width * (180.0 + longitude) / 360.0) - + (map_width * xdeg_offset / 180.0); - - return x; -} - -static gdouble -radians (gdouble degrees) -{ - return (degrees / 360.0) * G_PI * 2; -} - -static gdouble -convert_latitude_to_y (gdouble latitude, gdouble map_height) -{ - gdouble bottom_lat = -59; - gdouble top_lat = 81; - gdouble top_per, y, full_range, top_offset, map_range; - - top_per = top_lat / 180.0; - y = 1.25 * log (tan (G_PI_4 + 0.4 * radians (latitude))); - full_range = 4.6068250867599998; - top_offset = full_range * top_per; - map_range = fabs (1.25 * log (tan (G_PI_4 + 0.4 * radians (bottom_lat))) - top_offset); - y = fabs (y - top_offset); - y = y / map_range; - y = y * map_height; - return y; -} - - -static gboolean -cc_timezone_map_draw (GtkWidget *widget, - cairo_t *cr) -{ - CcTimezoneMapPrivate *priv = CC_TIMEZONE_MAP (widget)->priv; - GdkPixbuf *hilight, *orig_hilight, *pin; - GtkAllocation alloc; - gchar *file; - GError *err = NULL; - gdouble pointx, pointy; - gdouble alpha = 1.0; - char buf[16]; - - gtk_widget_get_allocation (widget, &alloc); - - /* Check if insensitive */ - if (gtk_widget_get_sensitive (widget)) - alpha = 0.5; - - /* paint background */ -#if GTK_CHECK_VERSION(3,0,0) - GdkRGBA rgba; - gtk_style_context_get_background_color (gtk_widget_get_style_context (widget), - gtk_widget_get_state_flags (widget), - &rgba); - gdk_cairo_set_source_rgba (cr, &rgba); -#else - GtkStyle * style = gtk_widget_get_style (widget); - gdk_cairo_set_source_color (cr, &style->bg[gtk_widget_get_state (widget)]); -#endif - cairo_paint (cr); - gdk_cairo_set_source_pixbuf (cr, priv->background, 0, 0); - cairo_paint_with_alpha (cr, alpha); - - /* paint watermark */ - if (priv->watermark) { - cairo_text_extents_t extent; - cairo_select_font_face(cr, "Sans", CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_NORMAL); - cairo_set_font_size(cr, 12.0); - cairo_set_source_rgba(cr, 1, 1, 1, 0.5); - cairo_text_extents(cr, priv->watermark, &extent); - cairo_move_to(cr, alloc.width - extent.x_advance + extent.x_bearing - 5, - alloc.height - extent.height - extent.y_bearing - 5); - cairo_show_text(cr, priv->watermark); - cairo_stroke(cr); - } - - if (!priv->location) { - return TRUE; - } - - /* paint hilight */ - file = g_strdup_printf (DATADIR "/timezone_%s.png", - g_ascii_formatd (buf, sizeof (buf), - "%g", priv->selected_offset)); - orig_hilight = gdk_pixbuf_new_from_file (file, &err); - g_free (file); - file = NULL; - - if (!orig_hilight) - { - g_warning ("Could not load hilight: %s", - (err) ? err->message : "Unknown Error"); - if (err) - g_clear_error (&err); - } - else - { - - hilight = gdk_pixbuf_scale_simple (orig_hilight, alloc.width, - alloc.height, GDK_INTERP_BILINEAR); - gdk_cairo_set_source_pixbuf (cr, hilight, 0, 0); - - cairo_paint_with_alpha (cr, alpha); - g_object_unref (hilight); - g_object_unref (orig_hilight); - } - - /* load pin icon */ - pin = gdk_pixbuf_new_from_file (DATADIR "/pin.png", &err); - - if (err) - { - g_warning ("Could not load pin icon: %s", err->message); - g_clear_error (&err); - } - - pointx = convert_longtitude_to_x (priv->location->longitude, alloc.width); - pointy = convert_latitude_to_y (priv->location->latitude, alloc.height); - - if (pointy > alloc.height) - pointy = alloc.height; - - if (pin) - { - gdk_cairo_set_source_pixbuf (cr, pin, pointx - 8, pointy - 14); - cairo_paint_with_alpha (cr, alpha); - g_object_unref (pin); - } - - return TRUE; -} - -static void -cc_timezone_map_class_init (CcTimezoneMapClass *klass) -{ - GObjectClass *object_class = G_OBJECT_CLASS (klass); - GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass); - - g_type_class_add_private (klass, sizeof (CcTimezoneMapPrivate)); - - object_class->get_property = cc_timezone_map_get_property; - object_class->set_property = cc_timezone_map_set_property; - object_class->dispose = cc_timezone_map_dispose; - object_class->finalize = cc_timezone_map_finalize; - - widget_class->get_preferred_width = cc_timezone_map_get_preferred_width; - widget_class->get_preferred_height = cc_timezone_map_get_preferred_height; - widget_class->size_allocate = cc_timezone_map_size_allocate; - widget_class->realize = cc_timezone_map_realize; - widget_class->draw = cc_timezone_map_draw; - - signals[LOCATION_CHANGED] = g_signal_new ("location-changed", - CC_TYPE_TIMEZONE_MAP, - G_SIGNAL_RUN_FIRST, - 0, - NULL, - NULL, - g_cclosure_marshal_VOID__POINTER, - G_TYPE_NONE, 1, - G_TYPE_POINTER); -} - - -static gint -sort_locations (TzLocation *a, - TzLocation *b) -{ - if (a->dist > b->dist) - return 1; - - if (a->dist < b->dist) - return -1; - - return 0; -} - -static void -set_location (CcTimezoneMap *map, - TzLocation *location) -{ - CcTimezoneMapPrivate *priv = map->priv; - TzInfo *info; - - priv->location = location; - - info = tz_info_from_location (priv->location); - - priv->selected_offset = tz_location_get_utc_offset (priv->location) - / (60.0*60.0) + ((info->daylight) ? -1.0 : 0.0); - - g_signal_emit (map, signals[LOCATION_CHANGED], 0, priv->location); - - tz_info_free (info); -} - -static TzLocation * -get_loc_for_xy (GtkWidget * widget, gint x, gint y) -{ - CcTimezoneMapPrivate *priv = CC_TIMEZONE_MAP (widget)->priv; - guchar r, g, b, a; - guchar *pixels; - gint rowstride; - gint i; - - const GPtrArray *array; - gint width, height; - GList *distances = NULL; - GtkAllocation alloc; - - rowstride = priv->visible_map_rowstride; - pixels = priv->visible_map_pixels; - - r = pixels[(rowstride * y + x * 4)]; - g = pixels[(rowstride * y + x * 4) + 1]; - b = pixels[(rowstride * y + x * 4) + 2]; - a = pixels[(rowstride * y + x * 4) + 3]; - - - for (i = 0; color_codes[i].offset != -100; i++) - { - if (color_codes[i].red == r && color_codes[i].green == g - && color_codes[i].blue == b && color_codes[i].alpha == a) - { - priv->selected_offset = color_codes[i].offset; - } - } - - gtk_widget_queue_draw (widget); - - /* work out the co-ordinates */ - - array = tz_get_locations (priv->tzdb); - - gtk_widget_get_allocation (widget, &alloc); - width = alloc.width; - height = alloc.height; - - for (i = 0; i < array->len; i++) - { - gdouble pointx, pointy, dx, dy; - TzLocation *loc = array->pdata[i]; - - pointx = convert_longtitude_to_x (loc->longitude, width); - pointy = convert_latitude_to_y (loc->latitude, height); - - dx = pointx - x; - dy = pointy - y; - - loc->dist = dx * dx + dy * dy; - distances = g_list_prepend (distances, loc); - - } - distances = g_list_sort (distances, (GCompareFunc) sort_locations); - - 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; -} - -static void -state_flags_changed (GtkWidget *widget) -{ - // To catch sensitivity changes - gtk_widget_queue_draw (widget); -} - -static void -load_backward_tz (CcTimezoneMap *self) -{ - GError *error = NULL; - char **lines, *contents; - guint i; - - self->priv->alias_db = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free); - - if (g_file_get_contents (GNOMECC_DATA_DIR "/datetime/backward", &contents, NULL, &error) == FALSE) - { - g_warning ("Failed to load 'backward' file: %s", error->message); - return; - } - lines = g_strsplit (contents, "\n", -1); - g_free (contents); - for (i = 0; lines[i] != NULL; i++) - { - char **items; - guint j; - char *real, *alias; - - if (g_ascii_strncasecmp (lines[i], "Link\t", 5) != 0) - continue; - - items = g_strsplit (lines[i], "\t", -1); - real = NULL; - alias = NULL; - /* Skip the "Link<tab>" part */ - for (j = 1; items[j] != NULL; j++) - { - if (items[j][0] == '\0') - continue; - if (real == NULL) - { - real = items[j]; - continue; - } - alias = items[j]; - break; - } - - if (real == NULL || alias == NULL) - g_warning ("Could not parse line: %s", lines[i]); - - g_hash_table_insert (self->priv->alias_db, g_strdup (alias), g_strdup (real)); - g_strfreev (items); - } - g_strfreev (lines); -} - -static void -cc_timezone_map_init (CcTimezoneMap *self) -{ - CcTimezoneMapPrivate *priv; - GError *err = NULL; - - priv = self->priv = TIMEZONE_MAP_PRIVATE (self); - - priv->orig_background = gdk_pixbuf_new_from_file (DATADIR "/bg.png", - &err); - - if (!priv->orig_background) - { - g_warning ("Could not load background image: %s", - (err) ? err->message : "Unknown error"); - g_clear_error (&err); - } - - priv->orig_color_map = gdk_pixbuf_new_from_file (DATADIR "/cc.png", - &err); - if (!priv->orig_color_map) - { - g_warning ("Could not load background image: %s", - (err) ? err->message : "Unknown error"); - 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), - NULL); - g_signal_connect (self, "state-flags-changed", G_CALLBACK (state_flags_changed), - NULL); - - load_backward_tz (self); -} - -CcTimezoneMap * -cc_timezone_map_new (void) -{ - return g_object_new (CC_TYPE_TIMEZONE_MAP, NULL); -} - -void -cc_timezone_map_set_timezone (CcTimezoneMap *map, - const gchar *timezone) -{ - GPtrArray *locations; - guint i; - char *real_tz; - - real_tz = g_hash_table_lookup (map->priv->alias_db, timezone); - - locations = tz_get_locations (map->priv->tzdb); - - for (i = 0; i < locations->len; i++) - { - TzLocation *loc = locations->pdata[i]; - - if (!g_strcmp0 (loc->zone, real_tz ? real_tz : timezone)) - { - set_location (map, loc); - break; - } - } - - 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; - } -} - -void -cc_timezone_map_set_watermark (CcTimezoneMap *map, const gchar * watermark) -{ - if (map->priv->watermark) - g_free (map->priv->watermark); - - map->priv->watermark = g_strdup (watermark); - gtk_widget_queue_draw (GTK_WIDGET (map)); -} - -TzLocation * -cc_timezone_map_get_location (CcTimezoneMap *map) -{ - return map->priv->location; -} |