C++ (Cpp) g_settings_schema_key_get_range Exemples

Exemple #1

Fichier : qgsettings.cpp Projet : g7/libhawaii

QVariantList QGSettings::choices(const QString &key) const
{
    Q_D(const QGSettings);

    QVariantList choices;

    if (!d->valid)
        return choices;

    gchar *keyName = Utils::fromCamelCase(key);
    GSettingsSchemaKey *schemaKey = g_settings_schema_get_key(d->schema, keyName);
    GVariant *range = g_settings_schema_key_get_range(schemaKey);
    g_settings_schema_key_unref(schemaKey);
    g_free(keyName);

    if (!range)
        return choices;

    const gchar *type;
    GVariant *value;
    g_variant_get(range, "(&sv)", &type, &value);

    if (g_str_equal(type, "enum")) {
        GVariantIter iter;
        g_variant_iter_init(&iter, value);

        GVariant *child;
        while ((child = g_variant_iter_next_value(&iter))) {
            choices.append(Utils::toQVariant(child));
            g_variant_unref(child);
        }
    }

    g_variant_unref(value);
    g_variant_unref(range);

    return choices;
}

Exemple #2

Fichier : ide-preferences-spin-button.c Projet : badwolfie/gnome-builder

static void
ide_preferences_spin_button_connect (IdePreferencesBin *bin,
                                     GSettings         *settings)
{
  IdePreferencesSpinButton *self = (IdePreferencesSpinButton *)bin;
  GSettingsSchema *schema = NULL;
  GSettingsSchemaKey *key = NULL;
  GVariant *range = NULL;
  GVariant *values = NULL;
  GVariant *lower = NULL;
  GVariant *upper = NULL;
  gchar *type = NULL;
  gchar *signal_detail = NULL;
  GtkAdjustment *adj;
  GVariantIter iter;

  g_assert (IDE_IS_PREFERENCES_SPIN_BUTTON (self));

  self->settings = g_object_ref (settings);

  g_object_get (self->settings, "settings-schema", &schema, NULL);

  adj = gtk_spin_button_get_adjustment (self->spin_button);
  key = g_settings_schema_get_key (schema, self->key);
  range = g_settings_schema_key_get_range (key);

  g_variant_get (range, "(sv)", &type, &values);

  if (!ide_str_equal0 (type, "range") || (2 != g_variant_iter_init (&iter, values)))
    {
      gtk_widget_set_sensitive (GTK_WIDGET (self), FALSE);
      goto cleanup;
    }

  lower = g_variant_iter_next_value (&iter);
  upper = g_variant_iter_next_value (&iter);

  self->type = g_variant_get_type (lower);

  apply_value (adj, lower, "lower");
  apply_value (adj, upper, "upper");

  signal_detail = g_strdup_printf ("changed::%s", self->key);

  self->handler =
    g_signal_connect_object (self->settings,
                             signal_detail,
                             G_CALLBACK (ide_preferences_spin_button_setting_changed),
                             self,
                             G_CONNECT_SWAPPED);

  ide_preferences_spin_button_setting_changed (self, self->key, self->settings);

cleanup:
  g_clear_pointer (&key, g_settings_schema_key_unref);
  g_clear_pointer (&type, g_free);
  g_clear_pointer (&signal_detail, g_free);
  g_clear_pointer (&range, g_variant_unref);
  g_clear_pointer (&values, g_variant_unref);
  g_clear_pointer (&lower, g_variant_unref);
  g_clear_pointer (&upper, g_variant_unref);
  g_clear_pointer (&schema, g_settings_schema_unref);
}