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-rw-r--r--src/datetime-prefs.c40
-rw-r--r--src/datetime-service.c192
-rw-r--r--src/timezone-completion.c63
-rw-r--r--src/utils.c36
-rw-r--r--src/utils.h1
5 files changed, 261 insertions, 71 deletions
diff --git a/src/datetime-prefs.c b/src/datetime-prefs.c
index 4a32fd6..9b00e60 100644
--- a/src/datetime-prefs.c
+++ b/src/datetime-prefs.c
@@ -181,46 +181,10 @@ ntp_query_answered (GObject *object, GAsyncResult *res, gpointer user_data)
g_variant_unref (answers);
}
-static gchar *
-get_zone_name (const gchar * location)
-{
- gchar * new_zone, * new_name;
- gchar * old_zone, * old_name;
- gchar * rv;
-
- split_settings_location (location, &new_zone, &new_name);
-
- GSettings * conf = g_settings_new (SETTINGS_INTERFACE);
- gchar * tz_name = g_settings_get_string (conf, SETTINGS_TIMEZONE_NAME_S);
- split_settings_location (tz_name, &old_zone, &old_name);
- g_free (tz_name);
- g_object_unref (conf);
-
- // new_name is always just a sanitized version of a timezone.
- // old_name is potentially a saved "pretty" version of a timezone name from
- // geonames. So we prefer to use it if available and the zones match.
-
- if (g_strcmp0 (old_zone, new_zone) == 0) {
- rv = old_name;
- old_name = NULL;
- }
- else {
- rv = new_name;
- new_name = NULL;
- }
-
- g_free (new_zone);
- g_free (old_zone);
- g_free (new_name);
- g_free (old_name);
-
- return rv;
-}
-
static void
sync_entry (const gchar * location)
{
- gchar * name = get_zone_name (location);
+ gchar * name = get_current_zone_name (location);
gtk_entry_set_text (GTK_ENTRY (tz_entry), name);
g_free (name);
@@ -606,7 +570,7 @@ entry_focus_out (GtkEntry * entry, GdkEventFocus * event)
if (location == NULL)
return FALSE;
- gchar * name = get_zone_name (location->zone);
+ gchar * name = get_current_zone_name (location->zone);
gboolean correct = (g_strcmp0 (gtk_entry_get_text (entry), name) == 0);
g_free (name);
diff --git a/src/datetime-service.c b/src/datetime-service.c
index 1ddaa4d..df37b5e 100644
--- a/src/datetime-service.c
+++ b/src/datetime-service.c
@@ -28,6 +28,7 @@ with this program. If not, see <http://www.gnu.org/licenses/>.
#include <glib/gi18n.h>
#include <gio/gio.h>
#include <math.h>
+#include <gconf/gconf-client.h>
#include <libdbusmenu-gtk/menuitem.h>
#include <libdbusmenu-glib/server.h>
@@ -82,6 +83,7 @@ static GList * comp_instances = NULL;
static gboolean updating_appointments = FALSE;
static time_t start_time_appointments = (time_t) 0;
GSettings *conf;
+GConfClient* gconf;
/* Geoclue trackers */
@@ -112,6 +114,17 @@ set_timezone_label (DbusmenuMenuitem * mi, const gchar * location)
g_free (name);
}
+static void
+set_current_timezone_label (DbusmenuMenuitem * mi, const gchar * location)
+{
+ gchar * name = get_current_zone_name (location);
+
+ dbusmenu_menuitem_property_set (mi, TIMEZONE_MENUITEM_PROP_NAME, name);
+ dbusmenu_menuitem_property_set (mi, TIMEZONE_MENUITEM_PROP_ZONE, location);
+
+ g_free (name);
+}
+
/* Check to see if our timezones are the same */
static void
check_timezone_sync (void) {
@@ -166,7 +179,7 @@ check_timezone_sync (void) {
if (label != NULL) {
// TODO work out the current location name in a nice way
- set_timezone_label (current_location, label);
+ set_current_timezone_label (current_location, label);
// TODO work out the current time at that location
dbusmenu_menuitem_property_set_bool (current_location, DBUSMENU_MENUITEM_PROP_VISIBLE, show);
dbusmenu_menuitem_property_set_bool(current_location, TIMEZONE_MENUITEM_PROP_RADIO, TRUE);
@@ -175,18 +188,18 @@ check_timezone_sync (void) {
}
if (geo_timezone != NULL) {
// TODO work out the geo location name in a nice way
- set_timezone_label (geo_location, geo_timezone);
+ set_current_timezone_label (geo_location, geo_timezone);
// TODO work out the current time at that location
dbusmenu_menuitem_property_set_bool (geo_location, DBUSMENU_MENUITEM_PROP_VISIBLE, show);
}
} else {
// TODO work out the geo location name in a nice way
- set_timezone_label (geo_location, geo_timezone);
+ set_current_timezone_label (geo_location, geo_timezone);
// TODO work out the current time at that location
dbusmenu_menuitem_property_set_bool(geo_location, DBUSMENU_MENUITEM_PROP_VISIBLE, show);
// TODO work out the current location name in a nice way
- set_timezone_label (current_location, current_timezone);
+ set_current_timezone_label (current_location, current_timezone);
// TODO work out the current time at that location
dbusmenu_menuitem_property_set_bool(current_location, TIMEZONE_MENUITEM_PROP_RADIO, TRUE);
dbusmenu_menuitem_property_set_bool(current_location, DBUSMENU_MENUITEM_PROP_VISIBLE, show);
@@ -234,6 +247,69 @@ update_current_timezone (void) {
return;
}
+static void
+quick_set_tz_cb (GObject *object, GAsyncResult *res, gpointer data)
+{
+ GError * error = NULL;
+ GVariant * answers = g_dbus_proxy_call_finish (G_DBUS_PROXY (object), res, &error);
+
+ if (error != NULL) {
+ g_warning("Could not set timezone for SettingsDaemon: %s", error->message);
+ g_error_free(error);
+ return;
+ }
+
+ g_variant_unref (answers);
+}
+
+static void
+quick_set_tz_proxy_cb (GObject *object, GAsyncResult *res, gpointer zone)
+{
+ GError * error = NULL;
+
+ GDBusProxy * proxy = g_dbus_proxy_new_for_bus_finish (res, &error);
+
+ if (error != NULL) {
+ g_warning("Could not grab DBus proxy for SettingsDaemon: %s", error->message);
+ g_error_free(error);
+ g_free (zone);
+ return;
+ }
+
+ gchar * file = g_build_filename ("/usr/share/zoneinfo", (char *)zone, NULL);
+ g_dbus_proxy_call (proxy, "SetTimezone", g_variant_new ("(s)", file),
+ G_DBUS_CALL_FLAGS_NONE, -1, NULL, quick_set_tz_cb, NULL);
+ g_free (file);
+ g_free (zone);
+ g_object_unref (proxy);
+}
+
+static void
+quick_set_tz (DbusmenuMenuitem * menuitem, guint timestamp, gpointer user_data)
+{
+ const gchar * tz = dbusmenu_menuitem_property_get(menuitem, TIMEZONE_MENUITEM_PROP_ZONE);
+ g_debug("Quick setting timezone to: %s", tz);
+
+ g_return_if_fail(tz != NULL);
+
+ const gchar * name = dbusmenu_menuitem_property_get(menuitem, TIMEZONE_MENUITEM_PROP_NAME);
+
+ /* Set it in gsettings so we don't lose user's preferred name */
+ GSettings * conf = g_settings_new (SETTINGS_INTERFACE);
+ gchar * tz_full = g_strdup_printf ("%s %s", tz, name);
+ g_settings_set_string (conf, SETTINGS_TIMEZONE_NAME_S, tz_full);
+ g_free (tz_full);
+ g_object_unref (conf);
+
+ g_dbus_proxy_new_for_bus (G_BUS_TYPE_SYSTEM, G_DBUS_PROXY_FLAGS_NONE, NULL,
+ "org.gnome.SettingsDaemon.DateTimeMechanism",
+ "/",
+ "org.gnome.SettingsDaemon.DateTimeMechanism",
+ NULL, quick_set_tz_proxy_cb, g_strdup (tz));
+
+ return;
+}
+
/* Updates the label in the date menuitem */
static gboolean
update_datetime (gpointer user_data)
@@ -439,18 +515,16 @@ static gboolean
check_for_calendar (gpointer user_data)
{
g_return_val_if_fail (calendar != NULL, FALSE);
- // Always enable the calendar even if it does nothing
- dbusmenu_menuitem_property_set_bool(calendar, DBUSMENU_MENUITEM_PROP_ENABLED, TRUE);
- dbusmenu_menuitem_property_set_bool(calendar, DBUSMENU_MENUITEM_PROP_VISIBLE, TRUE);
+
+ dbusmenu_menuitem_property_set_bool(date, DBUSMENU_MENUITEM_PROP_ENABLED, TRUE);
gchar *evo = g_find_program_in_path("evolution");
if (evo != NULL) {
g_debug("Found the calendar application: %s", evo);
-
- dbusmenu_menuitem_property_set_bool(date, DBUSMENU_MENUITEM_PROP_ENABLED, TRUE);
+
g_signal_connect (G_OBJECT(date), DBUSMENU_MENUITEM_SIGNAL_ITEM_ACTIVATED,
- G_CALLBACK (activate_cb), "evolution -c calendar");
-
+ G_CALLBACK (activate_cb), "evolution -c calendar");
+
events_separator = dbusmenu_menuitem_new();
dbusmenu_menuitem_property_set(events_separator, DBUSMENU_MENUITEM_PROP_TYPE, DBUSMENU_CLIENT_TYPES_SEPARATOR);
dbusmenu_menuitem_child_add_position(root, events_separator, 2);
@@ -478,8 +552,16 @@ check_for_calendar (gpointer user_data)
g_free(evo);
} else {
g_debug("Unable to find calendar app.");
- dbusmenu_menuitem_property_set_bool(calendar, DBUSMENU_MENUITEM_PROP_VISIBLE, FALSE);
dbusmenu_menuitem_property_set_bool(add_appointment, DBUSMENU_MENUITEM_PROP_VISIBLE, FALSE);
+ dbusmenu_menuitem_property_set_bool(events_separator, DBUSMENU_MENUITEM_PROP_VISIBLE, FALSE);
+ }
+
+ if (g_settings_get_boolean(conf, SETTINGS_SHOW_CALENDAR_S)) {
+ dbusmenu_menuitem_property_set_bool(calendar, DBUSMENU_MENUITEM_PROP_ENABLED, TRUE);
+ dbusmenu_menuitem_property_set_bool(calendar, DBUSMENU_MENUITEM_PROP_VISIBLE, TRUE);
+ } else {
+ dbusmenu_menuitem_property_set_bool(calendar, DBUSMENU_MENUITEM_PROP_ENABLED, FALSE);
+ dbusmenu_menuitem_property_set_bool(calendar, DBUSMENU_MENUITEM_PROP_VISIBLE, FALSE);
}
return FALSE;
@@ -535,6 +617,7 @@ update_timezone_menu_items(gpointer user_data) {
dbusmenu_menuitem_property_set_bool (item, DBUSMENU_MENUITEM_PROP_ENABLED, TRUE);
dbusmenu_menuitem_property_set_bool (item, DBUSMENU_MENUITEM_PROP_VISIBLE, show);
dbusmenu_menuitem_child_add_position (root, item, offset++);
+ g_signal_connect(G_OBJECT(item), DBUSMENU_MENUITEM_SIGNAL_ITEM_ACTIVATED, G_CALLBACK(quick_set_tz), NULL);
dconflocations = g_list_append(dconflocations, item);
}
}
@@ -656,6 +739,8 @@ update_appointment_menu_items (gpointer user_data)
const int mon = today->tm_mon;
const int year = today->tm_year;
+ int start_month_saved = mon;
+
struct tm *start_tm = NULL;
int this_year = today->tm_year + 1900;
int days[12]={31,28,31,30,31,30,31,31,30,31,30,31};
@@ -667,6 +752,7 @@ update_appointment_menu_items (gpointer user_data)
if (start_time_appointments > 0) {
start_tm = localtime(&start_time_appointments);
int start_month = start_tm->tm_mon;
+ start_month_saved = start_month;
int start_year = start_tm->tm_year + 1900;
if ((start_month != mon) || (start_year != this_year)) {
// Set t1 to the start of that month.
@@ -681,6 +767,7 @@ update_appointment_menu_items (gpointer user_data)
g_debug("Will highlight %d days from %s", highlightdays, ctime(&t1));
+ highlightdays = highlightdays + 7; // Minimum of 7 days ahead
t2 = t1 + (time_t) (highlightdays * 24 * 60 * 60);
if (!e_cal_get_sources(&sources, E_CAL_SOURCE_TYPE_EVENT, &gerror)) {
@@ -698,7 +785,13 @@ update_appointment_menu_items (gpointer user_data)
comp_instances = NULL;
}
}
-
+ GSList *cal_list = gconf_client_get_list(gconf, "/apps/evolution/calendar/display/selected_calendars", GCONF_VALUE_STRING, &gerror);
+ if (gerror) {
+ g_debug("Failed to get evolution preference for enabled calendars");
+ g_error_free(gerror);
+ gerror = NULL;
+ cal_list = NULL;
+ }
// Generate instances for all sources
for (g = e_source_list_peek_groups (sources); g; g = g->next) {
ESourceGroup *group = E_SOURCE_GROUP (g->data);
@@ -716,6 +809,18 @@ update_appointment_menu_items (gpointer user_data)
gerror = NULL;
continue;
}
+ const gchar *ecal_uid = e_source_peek_uid(source);
+ gboolean match = FALSE;
+ g_debug("Checking ecal_uid is enabled: %s", ecal_uid);
+ for (i = 0; i<g_slist_length(cal_list);i++) {
+ char *cuid = (char *)g_slist_nth_data(cal_list, i);
+ if (g_strcmp0(cuid, ecal_uid) == 0) {
+ match = TRUE;
+ break;
+ }
+ }
+ if (!match) continue;
+ g_debug("ecal_uid is enabled, generating instances");
e_cal_generate_instances (ecal, t1, t2, (ECalRecurInstanceFn) populate_appointment_instances, (gpointer) source);
}
@@ -772,19 +877,22 @@ update_appointment_menu_items (gpointer user_data)
DbusmenuMenuitem * item;
ECalComponentVType vtype = e_cal_component_get_vtype (ecalcomp);
+ struct tm due_data = {0};
struct tm *due = NULL;
- if (vtype == E_CAL_COMPONENT_EVENT) due = localtime(&ci->start);
- else if (vtype == E_CAL_COMPONENT_TODO) due = localtime(&ci->end);
+ if (vtype == E_CAL_COMPONENT_EVENT) due = localtime_r(&ci->start, &due_data);
+ else if (vtype == E_CAL_COMPONENT_TODO) due = localtime_r(&ci->end, &due_data);
else continue;
const int dmday = due->tm_mday;
const int dmon = due->tm_mon;
const int dyear = due->tm_year;
- // Mark day
- g_debug("Adding marked date %s, %d", ctime(&ci->start), dmday);
- g_variant_builder_add (&markeddays, "i", dmday);
-
+ if (start_month_saved == dmon) {
+ // Mark day if our query hasn't hit the next month.
+ g_debug("Adding marked date %s, %d", ctime(&ci->start), dmday);
+ g_variant_builder_add (&markeddays, "i", dmday);
+ }
+
// If the appointment time is less than the selected date,
// don't create an appointment item for it.
if (vtype == E_CAL_COMPONENT_EVENT) {
@@ -827,17 +935,36 @@ update_appointment_menu_items (gpointer user_data)
g_debug("Summary: %s", summary);
g_free (summary);
+ gboolean full_day = FALSE;
+ if (vtype == E_CAL_COMPONENT_EVENT) {
+ time_t start = ci->start;
+ if (time_add_day(start, 1) == ci->end) {
+ full_day = TRUE;
+ }
+ }
+
// Due text
- if (apt_output == SETTINGS_TIME_12_HOUR) {
- if ((mday == dmday) && (mon == dmon) && (year == dyear))
- strftime(right, 20, _(DEFAULT_TIME_12_FORMAT), due);
- else
- strftime(right, 20, _(DEFAULT_TIME_12_FORMAT_WITH_DAY), due);
- } else if (apt_output == SETTINGS_TIME_24_HOUR) {
- if ((mday == dmday) && (mon == dmon) && (year == dyear))
- strftime(right, 20, _(DEFAULT_TIME_24_FORMAT), due);
- else
- strftime(right, 20, _(DEFAULT_TIME_24_FORMAT_WITH_DAY), due);
+ if (full_day) {
+ struct tm fulldaytime = {0};
+ gmtime_r(&ci->start, &fulldaytime);
+
+ /* TRANSLATORS: This is a strftime string for the day for full day events
+ in the menu. It should most likely be either '%A' for a full text day
+ (Wednesday) or '%a' for a shortened one (Wed). You should only need to
+ change for '%a' in the case of langauges with very long day names. */
+ strftime(right, 20, _("%A"), &fulldaytime);
+ } else {
+ if (apt_output == SETTINGS_TIME_12_HOUR) {
+ if ((mday == dmday) && (mon == dmon) && (year == dyear))
+ strftime(right, 20, _(DEFAULT_TIME_12_FORMAT), due);
+ else
+ strftime(right, 20, _(DEFAULT_TIME_12_FORMAT_WITH_DAY), due);
+ } else if (apt_output == SETTINGS_TIME_24_HOUR) {
+ if ((mday == dmday) && (mon == dmon) && (year == dyear))
+ strftime(right, 20, _(DEFAULT_TIME_24_FORMAT), due);
+ else
+ strftime(right, 20, _(DEFAULT_TIME_24_FORMAT_WITH_DAY), due);
+ }
}
g_debug("Appointment time: %s, for date %s", right, asctime(due));
dbusmenu_menuitem_property_set (item, APPOINTMENT_MENUITEM_PROP_RIGHT, right);
@@ -996,14 +1123,15 @@ build_menus (DbusmenuMenuitem * root)
geo_location = dbusmenu_menuitem_new();
dbusmenu_menuitem_property_set (geo_location, DBUSMENU_MENUITEM_PROP_TYPE, TIMEZONE_MENUITEM_TYPE);
- set_timezone_label (geo_location, "");
+ set_current_timezone_label (geo_location, "");
dbusmenu_menuitem_property_set_bool (geo_location, DBUSMENU_MENUITEM_PROP_ENABLED, FALSE);
dbusmenu_menuitem_property_set_bool (geo_location, DBUSMENU_MENUITEM_PROP_VISIBLE, TRUE);
+ g_signal_connect(G_OBJECT(geo_location), DBUSMENU_MENUITEM_SIGNAL_ITEM_ACTIVATED, G_CALLBACK(quick_set_tz), NULL);
dbusmenu_menuitem_child_append(root, geo_location);
current_location = dbusmenu_menuitem_new();
dbusmenu_menuitem_property_set (current_location, DBUSMENU_MENUITEM_PROP_TYPE, TIMEZONE_MENUITEM_TYPE);
- set_timezone_label (current_location, "");
+ set_current_timezone_label (current_location, "");
dbusmenu_menuitem_property_set_bool (current_location, DBUSMENU_MENUITEM_PROP_ENABLED, FALSE);
dbusmenu_menuitem_property_set_bool (current_location, DBUSMENU_MENUITEM_PROP_VISIBLE, FALSE);
dbusmenu_menuitem_child_append(root, current_location);
@@ -1300,6 +1428,8 @@ main (int argc, char ** argv)
/* Set up GSettings */
conf = g_settings_new(SETTINGS_INTERFACE);
+ /* Set up gconf for getting evolution enabled calendars */
+ gconf = gconf_client_get_default();
// TODO Add a signal handler to catch gsettings changes and respond to them
/* Building the base menu */
diff --git a/src/timezone-completion.c b/src/timezone-completion.c
index ad04d0c..7dcc28e 100644
--- a/src/timezone-completion.c
+++ b/src/timezone-completion.c
@@ -50,7 +50,7 @@ struct _TimezoneCompletionPrivate
#define TIMEZONE_COMPLETION_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE((o), TIMEZONE_COMPLETION_TYPE, TimezoneCompletionPrivate))
-#define GEONAME_URL "http://geoname-lookup.ubuntu.com/?query=%s&release=%s"
+#define GEONAME_URL "http://geoname-lookup.ubuntu.com/?query=%s&release=%s&lang=%s"
/* Prototypes */
static void timezone_completion_class_init (TimezoneCompletionClass *klass);
@@ -280,6 +280,58 @@ geonames_data_ready (GObject *object, GAsyncResult *res, gpointer user_data)
json_parse_ready, user_data);
}
+/* Returns message locale, with possible country info too like en_US */
+static gchar *
+get_locale (void)
+{
+ /* Check LANGUAGE, LC_ALL, LC_MESSAGES, and LANG, treat as colon-separated */
+ const gchar *env_names[] = {"LANGUAGE", "LC_ALL", "LC_MESSAGES", "LANG", NULL};
+ const gchar *env = NULL;
+ gint i;
+
+ for (i = 0; env_names[i]; i++) {
+ env = g_getenv (env_names[i]);
+ if (env != NULL && env[0] != 0)
+ break;
+ }
+
+ if (env == NULL)
+ return NULL;
+
+ /* Now, we split on colons as expected, but also on . and @ to filter out
+ extra pieces of locale we don't care about as we only use first chunk. */
+ gchar **split = g_strsplit_set (env, ":.@", 2);
+ if (split == NULL)
+ return NULL;
+
+ if (split[0] == NULL) {
+ g_strfreev (split);
+ return NULL;
+ }
+
+ gchar *locale = g_strdup (split[0]);
+ g_strfreev (split);
+ return locale;
+}
+
+static gchar *
+get_version (void)
+{
+ static gchar *version = NULL;
+
+ if (version == NULL) {
+ gchar *stdout = NULL;
+ g_spawn_command_line_sync ("lsb_release -rs", &stdout, NULL, NULL, NULL);
+
+ if (stdout != NULL)
+ version = g_strstrip (stdout);
+ else
+ version = g_strdup("");
+ }
+
+ return version;
+}
+
static gboolean
request_zones (TimezoneCompletion * completion)
{
@@ -302,9 +354,16 @@ request_zones (TimezoneCompletion * completion)
priv->request_text = g_strdup (text);
gchar * escaped = g_uri_escape_string (text, NULL, FALSE);
- gchar * url = g_strdup_printf (GEONAME_URL, escaped, "11.04"); // FIXME: don't hardcode
+ gchar * version = get_version ();
+ gchar * locale = get_locale ();
+ gchar * url = g_strdup_printf (GEONAME_URL, escaped, version, locale);
+ g_free (locale);
+ g_free (version);
+ g_free (escaped);
GFile * file = g_file_new_for_uri (url);
+ g_free (url);
+
g_file_read_async (file, G_PRIORITY_DEFAULT, priv->cancel,
geonames_data_ready, completion);
diff --git a/src/utils.c b/src/utils.c
index d8851aa..ab93ecf 100644
--- a/src/utils.c
+++ b/src/utils.c
@@ -81,6 +81,42 @@ split_settings_location (const gchar * location, gchar ** zone, gchar ** name)
}
}
+gchar *
+get_current_zone_name (const gchar * location)
+{
+ gchar * new_zone, * new_name;
+ gchar * old_zone, * old_name;
+ gchar * rv;
+
+ split_settings_location (location, &new_zone, &new_name);
+
+ GSettings * conf = g_settings_new (SETTINGS_INTERFACE);
+ gchar * tz_name = g_settings_get_string (conf, SETTINGS_TIMEZONE_NAME_S);
+ split_settings_location (tz_name, &old_zone, &old_name);
+ g_free (tz_name);
+ g_object_unref (conf);
+
+ // new_name is always just a sanitized version of a timezone.
+ // old_name is potentially a saved "pretty" version of a timezone name from
+ // geonames. So we prefer to use it if available and the zones match.
+
+ if (g_strcmp0 (old_zone, new_zone) == 0) {
+ rv = old_name;
+ old_name = NULL;
+ }
+ else {
+ rv = new_name;
+ new_name = NULL;
+ }
+
+ g_free (new_zone);
+ g_free (old_zone);
+ g_free (new_name);
+ g_free (old_name);
+
+ return rv;
+}
+
/* Translate msg according to the locale specified by LC_TIME */
static char *
T_(const char *msg)
diff --git a/src/utils.h b/src/utils.h
index 5f7842c..c2bc0c5 100644
--- a/src/utils.h
+++ b/src/utils.h
@@ -29,6 +29,7 @@ G_BEGIN_DECLS
gboolean is_locale_12h (void);
void split_settings_location (const gchar * location, gchar ** zone, gchar ** name);
+gchar * get_current_zone_name (const gchar * location);
gchar * generate_format_string_full (gboolean show_day, gboolean show_date);
gchar * generate_format_string_at_time (GDateTime * time);