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Diffstat (limited to 'src/datetime-prefs.c')
| -rw-r--r-- | src/datetime-prefs.c | 574 |
1 files changed, 574 insertions, 0 deletions
diff --git a/src/datetime-prefs.c b/src/datetime-prefs.c new file mode 100644 index 0000000..e69d58b --- /dev/null +++ b/src/datetime-prefs.c @@ -0,0 +1,574 @@ +/* -*- Mode: C; coding: utf-8; indent-tabs-mode: nil; tab-width: 2 -*- + +A dialog for setting time and date preferences. + +Copyright 2011 Canonical Ltd. + +Authors: + Ted Gould <ted@canonical.com> + Michael Terry <michael.terry@canonical.com> + +This program is free software: you can redistribute it and/or modify it +under the terms of the GNU General Public License version 3, as published +by the Free Software Foundation. + +This program is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranties of +MERCHANTABILITY, SATISFACTORY QUALITY, 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, see <http://www.gnu.org/licenses/>. +*/ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <stdlib.h> +#include <libintl.h> +#include <locale.h> +#include <langinfo.h> +#include <glib/gi18n-lib.h> +#include <gtk/gtk.h> +#include <unique/unique.h> +#include <polkitgtk/polkitgtk.h> + +#include "settings-shared.h" +#include "utils.h" +#include "datetime-prefs-locations.h" +#include "timezone-completion.h" +#include "cc-timezone-map.h" + +#define DATETIME_DIALOG_UI_FILE PKGDATADIR "/datetime-dialog.ui" + +GDBusProxy * proxy = NULL; +GtkWidget * auto_radio = NULL; +GtkWidget * tz_entry = NULL; +CcTimezoneMap * tzmap = NULL; + +/* Turns the boolean property into a string gsettings */ +static GVariant * +bind_hours_set (const GValue * value, const GVariantType * type, gpointer user_data) +{ + const gchar * output = NULL; + gboolean is_12hour_button = (gboolean)GPOINTER_TO_INT(user_data); + + if (g_value_get_boolean(value)) { + /* Only do anything if we're setting active = true */ + output = is_12hour_button ? "12-hour" : "24-hour"; + } else { + return NULL; + } + + return g_variant_new_string (output); +} + +/* Turns a string gsettings into a boolean property */ +static gboolean +bind_hours_get (GValue * value, GVariant * variant, gpointer user_data) +{ + const gchar * str = g_variant_get_string(variant, NULL); + gboolean output = FALSE; + gboolean is_12hour_button = (gboolean)GPOINTER_TO_INT(user_data); + + if (g_strcmp0(str, "locale-default") == 0) { + output = (is_12hour_button == is_locale_12h ()); + } else if (g_strcmp0(str, "12-hour") == 0) { + output = is_12hour_button; + } else if (g_strcmp0(str, "24-hour") == 0) { + output = !is_12hour_button; + } else { + return FALSE; + } + + g_value_set_boolean (value, output); + return TRUE; +} + +static void +widget_dependency_cb (GtkWidget * parent, GParamSpec *pspec, GtkWidget * dependent) +{ + gboolean active, sensitive; + g_object_get (G_OBJECT (parent), + "active", &active, + "sensitive", &sensitive, NULL); + gtk_widget_set_sensitive (dependent, active && sensitive); +} + +static void +add_widget_dependency (GtkWidget * parent, GtkWidget * dependent) +{ + g_signal_connect (parent, "notify::active", G_CALLBACK(widget_dependency_cb), + dependent); + g_signal_connect (parent, "notify::sensitive", G_CALLBACK(widget_dependency_cb), + dependent); + widget_dependency_cb (parent, NULL, dependent); +} + +static void +polkit_dependency_cb (GtkWidget * parent, GParamSpec *pspec, GtkWidget * dependent) +{ + gboolean authorized, sensitive; + g_object_get (G_OBJECT (parent), + "is-authorized", &authorized, + "sensitive", &sensitive, NULL); + gtk_widget_set_sensitive (dependent, authorized && sensitive); +} + +static void +add_polkit_dependency (GtkWidget * parent, GtkWidget * dependent) +{ + g_signal_connect (parent, "notify::is-authorized", G_CALLBACK(polkit_dependency_cb), + dependent); + g_signal_connect (parent, "notify::sensitive", G_CALLBACK(polkit_dependency_cb), + dependent); + polkit_dependency_cb (parent, NULL, dependent); +} + +static void +dbus_set_answered (GObject *object, GAsyncResult *res, gpointer command) +{ + GError * error = NULL; + GVariant * answers = g_dbus_proxy_call_finish (proxy, res, &error); + + if (error != NULL) { + g_warning("Could not set '%s' for SettingsDaemon: %s", (gchar *)command, error->message); + g_error_free(error); + return; + } + + g_variant_unref (answers); +} + +static void +toggle_ntp (GtkWidget * radio, GParamSpec * pspec, gpointer user_data) +{ + gboolean active = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (radio)); + + g_dbus_proxy_call (proxy, "SetUsingNtp", g_variant_new ("(b)", active), + G_DBUS_CALL_FLAGS_NONE, -1, NULL, dbus_set_answered, "using_ntp"); +} + +static void +ntp_query_answered (GObject *object, GAsyncResult *res, gpointer user_data) +{ + GError * error = NULL; + GVariant * answers = g_dbus_proxy_call_finish (proxy, res, &error); + + if (error != NULL) { + g_warning("Could not query DBus proxy for SettingsDaemon: %s", error->message); + g_error_free(error); + return; + } + + gboolean can_use_ntp, is_using_ntp; + g_variant_get (answers, "(bb)", &can_use_ntp, &is_using_ntp); + + gtk_widget_set_sensitive (GTK_WIDGET (auto_radio), can_use_ntp); + gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (auto_radio), is_using_ntp); + + g_signal_connect (auto_radio, "notify::active", G_CALLBACK (toggle_ntp), NULL); + + g_variant_unref (answers); +} + +static void +sync_entry (const gchar * location) +{ + gchar * name; + split_settings_location (location, NULL, &name); + gtk_entry_set_text (GTK_ENTRY (tz_entry), name); + g_free (name); +} + +static void +tz_changed (CcTimezoneMap * map, TzLocation * location) +{ + if (location == NULL) + return; + + gchar * file = g_build_filename ("/usr/share/zoneinfo", location->zone, NULL); + g_dbus_proxy_call (proxy, "SetTimezone", g_variant_new ("(s)", file), + G_DBUS_CALL_FLAGS_NONE, -1, NULL, dbus_set_answered, "timezone"); + g_free (file); + + sync_entry (location->zone); +} + +static void +tz_query_answered (GObject *object, GAsyncResult *res, gpointer user_data) +{ + GError * error = NULL; + GVariant * answers = g_dbus_proxy_call_finish (proxy, res, &error); + + if (error != NULL) { + g_warning("Could not query DBus proxy for SettingsDaemon: %s", error->message); + g_error_free(error); + return; + } + + const gchar * timezone; + g_variant_get (answers, "(&s)", &timezone); + + cc_timezone_map_set_timezone (tzmap, timezone); + + sync_entry (timezone); + g_signal_connect (tzmap, "location-changed", G_CALLBACK (tz_changed), NULL); + + g_variant_unref (answers); +} + +void proxy_ready (GObject *object, GAsyncResult *res, gpointer user_data) +{ + GError * error = NULL; + + proxy = g_dbus_proxy_new_for_bus_finish (res, &error); + + if (error != NULL) { + g_critical("Could not grab DBus proxy for SettingsDaemon: %s", error->message); + g_error_free(error); + return; + } + + /* And now, do initial proxy configuration */ + g_dbus_proxy_call (proxy, "GetUsingNtp", NULL, G_DBUS_CALL_FLAGS_NONE, -1, + NULL, ntp_query_answered, auto_radio); + g_dbus_proxy_call (proxy, "GetTimezone", NULL, G_DBUS_CALL_FLAGS_NONE, -1, + NULL, tz_query_answered, NULL); +} + +static int +input_time_text (GtkWidget * spinner, gdouble *value, gpointer user_data) +{ + gboolean is_time = (gboolean)GPOINTER_TO_INT (g_object_get_data (G_OBJECT (spinner), "is-time")); + const gchar * text = gtk_entry_get_text (GTK_ENTRY (spinner)); + + GDateTime * now = g_date_time_new_now_local (); + gint year, month, day, hour, minute, second; + year = g_date_time_get_year (now); + month = g_date_time_get_month (now); + day = g_date_time_get_day_of_month (now); + hour = g_date_time_get_hour (now); + minute = g_date_time_get_minute (now); + second = g_date_time_get_second (now); + g_date_time_unref (now); + + /* Parse this string as if it were in the output format */ + gint scanned = 0; + gboolean passed = TRUE, skip = FALSE; + if (is_time) { + gint hour_in, minute_in, second_in; + + if (is_locale_12h ()) { // TODO: make this look-at/watch gsettings? + char ampm[51]; + + scanned = sscanf (text, "%u:%u:%u %50s", &hour_in, &minute_in, &second_in, ampm); + passed = (scanned == 4); + + if (passed) { + const char *pm_str = nl_langinfo (PM_STR); + if (g_ascii_strcasecmp (pm_str, ampm) == 0) { + hour_in += 12; + } + } + } else { + scanned = sscanf (text, "%u:%u:%u", &hour_in, &minute_in, &second_in); + passed = (scanned == 3); + } + + if (passed && (hour_in > 23 || minute_in > 59 || second_in > 59)) { + passed = FALSE; + } + if (passed && hour == hour_in && minute == minute_in && second == second_in) { + skip = TRUE; // no change + } else { + hour = hour_in; + minute = minute_in; + second = second_in; + } + } + else { + gint year_in, month_in, day_in; + + scanned = sscanf (text, "%u-%u-%u", &year_in, &month_in, &day_in); + + if (scanned != 3 || year_in < 1 || year_in > 9999 || + month_in < 1 || month_in > 12 || day_in < 1 || day_in > 31) { + passed = FALSE; + } + if (passed && year == year_in && month == month_in && day == day_in) { + skip = TRUE; // no change + } else { + year = year_in; + month = month_in; + day = day_in; + } + } + + if (!passed) { + g_warning ("Could not understand %s", text); + return TRUE; + } + + if (skip) { + return TRUE; + } + + GDateTime * datetime = g_date_time_new_local (year, month, day, hour, minute, second); + + g_dbus_proxy_call (proxy, "SetTime", g_variant_new ("(x)", g_date_time_to_unix (datetime)), + G_DBUS_CALL_FLAGS_NONE, -1, NULL, dbus_set_answered, "time"); + + return TRUE; +} + +static gboolean +format_time_text (GtkWidget * spinner, gpointer user_data) +{ + if (gtk_widget_has_focus (spinner)) { + /* Don't do anything if we have focus, user is likely editing us */ + return TRUE; + } + + GDateTime * datetime = (GDateTime *)g_object_get_data (G_OBJECT (spinner), "datetime"); + gboolean is_time = (gboolean)GPOINTER_TO_INT (g_object_get_data (G_OBJECT (spinner), "is-time")); + + const gchar * format; + if (is_time) { + if (is_locale_12h ()) { // TODO: make this look-at/watch gsettings? + format = "%I:%M:%S %p"; + } else { + format = "%H:%M:%S"; + } + } + else { + format = "%Y-%m-%d"; + } + + gchar * formatted = g_date_time_format (datetime, format); + gtk_entry_set_text (GTK_ENTRY (spinner), formatted); + + return TRUE; +} + +static gboolean +update_spinner (GtkWidget * spinner) +{ + /* Add datetime object to spinner, which will hold the real time value, rather + then using the value of the spinner itself. */ + GDateTime * datetime = g_date_time_new_now_local (); + g_object_set_data_full (G_OBJECT (spinner), "datetime", datetime, (GDestroyNotify)g_date_time_unref); + + format_time_text (spinner, NULL); + + return TRUE; +} + +static void +setup_time_spinner (GtkWidget * spinner, GtkWidget * other, gboolean is_time) +{ + /* Set up spinner to have reasonable behavior */ + gtk_spin_button_set_numeric (GTK_SPIN_BUTTON (spinner), FALSE); + g_signal_connect (spinner, "input", G_CALLBACK (input_time_text), other); + g_signal_connect (spinner, "output", G_CALLBACK (format_time_text), other); + g_object_set_data (G_OBJECT (spinner), "is-time", GINT_TO_POINTER (is_time)); + + /* 2 seconds is what the indicator itself uses */ + guint time_id = g_timeout_add_seconds (2, (GSourceFunc)update_spinner, spinner); + g_signal_connect_swapped (spinner, "destroy", G_CALLBACK (g_source_remove), GINT_TO_POINTER (time_id)); + + update_spinner (spinner); +} + +static void +show_locations (GtkWidget * button, GtkWidget * dlg) +{ + GtkWidget * locationsDlg = datetime_setup_locations_dialog (GTK_WINDOW (dlg), tzmap); + gtk_widget_show_all (locationsDlg); +} + +static gboolean +timezone_selected (GtkEntryCompletion * widget, GtkTreeModel * model, + GtkTreeIter * iter, gpointer user_data) +{ + GValue value = {0}; + const gchar * strval; + + gtk_tree_model_get_value (model, iter, TIMEZONE_COMPLETION_ZONE, &value); + strval = g_value_get_string (&value); + + if (strval != NULL && strval[0] != 0) { + cc_timezone_map_set_timezone (tzmap, strval); + } + else { + GValue lon_value = {0}, lat_value = {0}; + const gchar * strlon, * strlat; + gdouble lon = 0.0, lat = 0.0; + + gtk_tree_model_get_value (model, iter, TIMEZONE_COMPLETION_LONGITUDE, &lon_value); + strlon = g_value_get_string (&lon_value); + if (strlon != NULL && strlon[0] != 0) { + lon = strtod(strlon, NULL); + } + + gtk_tree_model_get_value (model, iter, TIMEZONE_COMPLETION_LATITUDE, &lat_value); + strlat = g_value_get_string (&lat_value); + if (strlat != NULL && strlat[0] != 0) { + lat = strtod(strlat, NULL); + } + + cc_timezone_map_set_coords (tzmap, lon, lat); + } + + g_value_unset (&value); + + return FALSE; // Do normal action too +} + +static GtkWidget * +create_dialog (void) +{ + GError * error = NULL; + + GtkBuilder * builder = gtk_builder_new (); + gtk_builder_add_from_file (builder, DATETIME_DIALOG_UI_FILE, &error); + if (error != NULL) { + /* We have to abort, we can't continue without the ui file */ + g_error ("Could not load ui file %s: %s", DATETIME_DIALOG_UI_FILE, error->message); + g_error_free (error); + return NULL; + } + + gtk_builder_set_translation_domain (builder, GETTEXT_PACKAGE); + + GSettings * conf = g_settings_new (SETTINGS_INTERFACE); + +#define WIG(name) GTK_WIDGET (gtk_builder_get_object (builder, name)) + + /* Add policykit button */ + GtkWidget * polkit_button = polkit_lock_button_new ("org.gnome.settingsdaemon.datetimemechanism.configure"); + polkit_lock_button_set_unlock_text (POLKIT_LOCK_BUTTON (polkit_button), _("Unlock to change these settings")); + polkit_lock_button_set_lock_text (POLKIT_LOCK_BUTTON (polkit_button), _("Lock to prevent further changes")); + gtk_box_pack_start (GTK_BOX (WIG ("timeDateBox")), polkit_button, FALSE, TRUE, 0); + + /* Add map */ + tzmap = cc_timezone_map_new (); + gtk_container_add (GTK_CONTAINER (WIG ("mapBox")), GTK_WIDGET (tzmap)); + /* Fufill the CC by Attribution license requirements for the Geonames lookup */ + cc_timezone_map_set_watermark (tzmap, "Geonames.org"); + + /* And completion entry */ + TimezoneCompletion * completion = timezone_completion_new (); + gtk_entry_set_completion (GTK_ENTRY (WIG ("timezoneEntry")), + GTK_ENTRY_COMPLETION (completion)); + timezone_completion_watch_entry (completion, GTK_ENTRY (WIG ("timezoneEntry"))); + g_signal_connect (completion, "match-selected", G_CALLBACK (timezone_selected), NULL); + + /* Set up settings bindings */ + g_settings_bind (conf, SETTINGS_SHOW_CLOCK_S, WIG ("showClockCheck"), + "active", G_SETTINGS_BIND_DEFAULT); + g_settings_bind (conf, SETTINGS_SHOW_DAY_S, WIG ("showWeekdayCheck"), + "active", G_SETTINGS_BIND_DEFAULT); + g_settings_bind (conf, SETTINGS_SHOW_DATE_S, WIG ("showDateTimeCheck"), + "active", G_SETTINGS_BIND_DEFAULT); + g_settings_bind (conf, SETTINGS_SHOW_SECONDS_S, WIG ("showSecondsCheck"), + "active", G_SETTINGS_BIND_DEFAULT); + g_settings_bind_with_mapping (conf, SETTINGS_TIME_FORMAT_S, + WIG ("show12HourRadio"), "active", + G_SETTINGS_BIND_DEFAULT, + bind_hours_get, bind_hours_set, + GINT_TO_POINTER(TRUE), NULL); + g_settings_bind_with_mapping (conf, SETTINGS_TIME_FORMAT_S, + WIG ("show24HourRadio"), "active", + G_SETTINGS_BIND_DEFAULT, + bind_hours_get, bind_hours_set, + GINT_TO_POINTER(FALSE), NULL); + g_settings_bind (conf, SETTINGS_SHOW_CALENDAR_S, WIG ("showCalendarCheck"), + "active", G_SETTINGS_BIND_DEFAULT); + g_settings_bind (conf, SETTINGS_SHOW_WEEK_NUMBERS_S, WIG ("includeWeekNumbersCheck"), + "active", G_SETTINGS_BIND_DEFAULT); + g_settings_bind (conf, SETTINGS_SHOW_EVENTS_S, WIG ("showEventsCheck"), + "active", G_SETTINGS_BIND_DEFAULT); + g_settings_bind (conf, SETTINGS_SHOW_LOCATIONS_S, WIG ("showLocationsCheck"), + "active", G_SETTINGS_BIND_DEFAULT); + + /* Set up sensitivities */ + add_widget_dependency (WIG ("showCalendarCheck"), WIG ("calendarOptions")); + add_widget_dependency (WIG ("showClockCheck"), WIG ("clockOptions")); + add_widget_dependency (WIG ("showLocationsCheck"), WIG ("locationsButton")); + add_widget_dependency (WIG ("manualTimeRadio"), WIG ("manualOptions")); + add_polkit_dependency (polkit_button, WIG ("timeDateOptions")); + + /* Hacky proxy test for whether evolution-data-server is installed */ + gchar * evo_path = g_find_program_in_path ("evolution"); + gtk_widget_set_sensitive (WIG ("showEventsCheck"), (evo_path != NULL)); + g_free (evo_path); + + setup_time_spinner (WIG ("timeSpinner"), WIG ("dateSpinner"), TRUE); + setup_time_spinner (WIG ("dateSpinner"), WIG ("timeSpinner"), FALSE); + + GtkWidget * dlg = WIG ("timeDateDialog"); + auto_radio = WIG ("automaticTimeRadio"); + tz_entry = WIG ("timezoneEntry"); + + g_signal_connect (WIG ("locationsButton"), "clicked", G_CALLBACK (show_locations), dlg); + + /* Grab proxy for settings daemon */ + 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, proxy_ready, NULL); + +#undef WIG + + g_object_unref (conf); + g_object_unref (builder); + + return dlg; +} + +static UniqueResponse +message_received (UniqueApp * app, gint command, UniqueMessageData *message_data, + guint time, gpointer user_data) +{ + if (command == UNIQUE_ACTIVATE) { + gtk_window_present_with_time (GTK_WINDOW (user_data), time); + return UNIQUE_RESPONSE_OK; + } + return UNIQUE_RESPONSE_PASSTHROUGH; +} + +int +main (int argc, char ** argv) +{ + g_type_init (); + + /* Setting up i18n and gettext. Apparently, we need + all of these. */ + setlocale (LC_ALL, ""); + bindtextdomain (GETTEXT_PACKAGE, GNOMELOCALEDIR); + textdomain (GETTEXT_PACKAGE); + + gtk_init (&argc, &argv); + + UniqueApp * app = unique_app_new ("com.canonical.indicator.datetime.preferences", NULL); + + if (unique_app_is_running (app)) { + unique_app_send_message (app, UNIQUE_ACTIVATE, NULL); + } else { + // We're first instance. Yay! + GtkWidget * dlg = create_dialog (); + + g_signal_connect (app, "message-received", G_CALLBACK(message_received), dlg); + unique_app_watch_window (app, GTK_WINDOW (dlg)); + + gtk_widget_show_all (dlg); + g_signal_connect (dlg, "response", G_CALLBACK(gtk_main_quit), NULL); + gtk_main (); + } + + return 0; +} + |