Merge for U. Desktop

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;
+}
+