/* * Copyright © 2009, 2010 Codethink Limited * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, see <http://www.gnu.org/licenses/>. * * Author: Ryan Lortie <desrt@desrt.ca> */ #ifndef __G_SETTINGS_H__ #define __G_SETTINGS_H__ #if !defined (__GIO_GIO_H_INSIDE__) && !defined (GIO_COMPILATION) #error "Only <gio/gio.h> can be included directly." #endif #include <gio/gsettingsschema.h> #include <gio/giotypes.h> G_BEGIN_DECLS #define G_TYPE_SETTINGS (g_settings_get_type ()) #define G_SETTINGS(inst) (G_TYPE_CHECK_INSTANCE_CAST ((inst), \ G_TYPE_SETTINGS, GSettings)) #define G_SETTINGS_CLASS(class) (G_TYPE_CHECK_CLASS_CAST ((class), \ G_TYPE_SETTINGS, GSettingsClass)) #define G_IS_SETTINGS(inst) (G_TYPE_CHECK_INSTANCE_TYPE ((inst), G_TYPE_SETTINGS)) #define G_IS_SETTINGS_CLASS(class) (G_TYPE_CHECK_CLASS_TYPE ((class), G_TYPE_SETTINGS)) #define G_SETTINGS_GET_CLASS(inst) (G_TYPE_INSTANCE_GET_CLASS ((inst), \ G_TYPE_SETTINGS, GSettingsClass)) typedef struct _GSettingsPrivate GSettingsPrivate; typedef struct _GSettingsClass GSettingsClass; struct _GSettingsClass { GObjectClass parent_class; /* Signals */ void (*writable_changed) (GSettings *settings, const gchar *key); void (*changed) (GSettings *settings, const gchar *key); gboolean (*writable_change_event) (GSettings *settings, GQuark key); gboolean (*change_event) (GSettings *settings, const GQuark *keys, gint n_keys); gpointer padding[20]; }; struct _GSettings { GObject parent_instance; GSettingsPrivate *priv; }; GLIB_AVAILABLE_IN_ALL GType g_settings_get_type (void); GLIB_DEPRECATED_IN_2_40_FOR(g_settings_schema_source_list_schemas) const gchar * const * g_settings_list_schemas (void); GLIB_DEPRECATED_IN_2_40_FOR(g_settings_schema_source_list_schemas) const gchar * const * g_settings_list_relocatable_schemas (void); GLIB_AVAILABLE_IN_ALL GSettings * g_settings_new (const gchar *schema_id); GLIB_AVAILABLE_IN_ALL GSettings * g_settings_new_with_path (const gchar *schema_id, const gchar *path); GLIB_AVAILABLE_IN_ALL GSettings * g_settings_new_with_backend (const gchar *schema_id, GSettingsBackend *backend); GLIB_AVAILABLE_IN_ALL GSettings * g_settings_new_with_backend_and_path (const gchar *schema_id, GSettingsBackend *backend, const gchar *path); GLIB_AVAILABLE_IN_2_32 GSettings * g_settings_new_full (GSettingsSchema *schema, GSettingsBackend *backend, const gchar *path); GLIB_AVAILABLE_IN_ALL gchar ** g_settings_list_children (GSettings *settings); GLIB_DEPRECATED_IN_2_46_FOR(g_settings_schema_list_keys) gchar ** g_settings_list_keys (GSettings *settings); GLIB_DEPRECATED_IN_2_40_FOR(g_settings_schema_key_get_range) GVariant * g_settings_get_range (GSettings *settings, const gchar *key); GLIB_DEPRECATED_IN_2_40_FOR(g_settings_schema_key_range_check) gboolean g_settings_range_check (GSettings *settings, const gchar *key, GVariant *value); GLIB_AVAILABLE_IN_ALL gboolean g_settings_set_value (GSettings *settings, const gchar *key, GVariant *value); GLIB_AVAILABLE_IN_ALL GVariant * g_settings_get_value (GSettings *settings, const gchar *key); GLIB_AVAILABLE_IN_2_40 GVariant * g_settings_get_user_value (GSettings *settings, const gchar *key); GLIB_AVAILABLE_IN_2_40 GVariant * g_settings_get_default_value (GSettings *settings, const gchar *key); GLIB_AVAILABLE_IN_ALL gboolean g_settings_set (GSettings *settings, const gchar *key, const gchar *format, ...); GLIB_AVAILABLE_IN_ALL void g_settings_get (GSettings *settings, const gchar *key, const gchar *format, ...); GLIB_AVAILABLE_IN_ALL void g_settings_reset (GSettings *settings, const gchar *key); GLIB_AVAILABLE_IN_ALL gint g_settings_get_int (GSettings *settings, const gchar *key); GLIB_AVAILABLE_IN_ALL gboolean g_settings_set_int (GSettings *settings, const gchar *key, gint value); GLIB_AVAILABLE_IN_2_50 gint64 g_settings_get_int64 (GSettings *settings, const gchar *key); GLIB_AVAILABLE_IN_2_50 gboolean g_settings_set_int64 (GSettings *settings, const gchar *key, gint64 value); GLIB_AVAILABLE_IN_2_32 guint g_settings_get_uint (GSettings *settings, const gchar *key); GLIB_AVAILABLE_IN_2_32 gboolean g_settings_set_uint (GSettings *settings, const gchar *key, guint value); GLIB_AVAILABLE_IN_2_50 guint64 g_settings_get_uint64 (GSettings *settings, const gchar *key); GLIB_AVAILABLE_IN_2_50 gboolean g_settings_set_uint64 (GSettings *settings, const gchar *key, guint64 value); GLIB_AVAILABLE_IN_ALL gchar * g_settings_get_string (GSettings *settings, const gchar *key); GLIB_AVAILABLE_IN_ALL gboolean g_settings_set_string (GSettings *settings, const gchar *key, const gchar *value); GLIB_AVAILABLE_IN_ALL gboolean g_settings_get_boolean (GSettings *settings, const gchar *key); GLIB_AVAILABLE_IN_ALL gboolean g_settings_set_boolean (GSettings *settings, const gchar *key, gboolean value); GLIB_AVAILABLE_IN_ALL gdouble g_settings_get_double (GSettings *settings, const gchar *key); GLIB_AVAILABLE_IN_ALL gboolean g_settings_set_double (GSettings *settings, const gchar *key, gdouble value); GLIB_AVAILABLE_IN_ALL gchar ** g_settings_get_strv (GSettings *settings, const gchar *key); GLIB_AVAILABLE_IN_ALL gboolean g_settings_set_strv (GSettings *settings, const gchar *key, const gchar *const *value); GLIB_AVAILABLE_IN_ALL gint g_settings_get_enum (GSettings *settings, const gchar *key); GLIB_AVAILABLE_IN_ALL gboolean g_settings_set_enum (GSettings *settings, const gchar *key, gint value); GLIB_AVAILABLE_IN_ALL guint g_settings_get_flags (GSettings *settings, const gchar *key); GLIB_AVAILABLE_IN_ALL gboolean g_settings_set_flags (GSettings *settings, const gchar *key, guint value); GLIB_AVAILABLE_IN_ALL GSettings * g_settings_get_child (GSettings *settings, const gchar *name); GLIB_AVAILABLE_IN_ALL gboolean g_settings_is_writable (GSettings *settings, const gchar *name); GLIB_AVAILABLE_IN_ALL void g_settings_delay (GSettings *settings); GLIB_AVAILABLE_IN_ALL void g_settings_apply (GSettings *settings); GLIB_AVAILABLE_IN_ALL void g_settings_revert (GSettings *settings); GLIB_AVAILABLE_IN_ALL gboolean g_settings_get_has_unapplied (GSettings *settings); GLIB_AVAILABLE_IN_ALL void g_settings_sync (void); /** * GSettingsBindSetMapping: * @value: a #GValue containing the property value to map * @expected_type: the #GVariantType to create * @user_data: user data that was specified when the binding was created * * The type for the function that is used to convert an object property * value to a #GVariant for storing it in #GSettings. * * Returns: a new #GVariant holding the data from @value, * or %NULL in case of an error */ typedef GVariant * (*GSettingsBindSetMapping) (const GValue *value, const GVariantType *expected_type, gpointer user_data); /** * GSettingsBindGetMapping: * @value: return location for the property value * @variant: the #GVariant * @user_data: user data that was specified when the binding was created * * The type for the function that is used to convert from #GSettings to * an object property. The @value is already initialized to hold values * of the appropriate type. * * Returns: %TRUE if the conversion succeeded, %FALSE in case of an error */ typedef gboolean (*GSettingsBindGetMapping) (GValue *value, GVariant *variant, gpointer user_data); /** * GSettingsGetMapping: * @value: the #GVariant to map, or %NULL * @result: (out): the result of the mapping * @user_data: (closure): the user data that was passed to * g_settings_get_mapped() * * The type of the function that is used to convert from a value stored * in a #GSettings to a value that is useful to the application. * * If the value is successfully mapped, the result should be stored at * @result and %TRUE returned. If mapping fails (for example, if @value * is not in the right format) then %FALSE should be returned. * * If @value is %NULL then it means that the mapping function is being * given a "last chance" to successfully return a valid value. %TRUE * must be returned in this case. * * Returns: %TRUE if the conversion succeeded, %FALSE in case of an error **/ typedef gboolean (*GSettingsGetMapping) (GVariant *value, gpointer *result, gpointer user_data); /** * GSettingsBindFlags: * @G_SETTINGS_BIND_DEFAULT: Equivalent to `G_SETTINGS_BIND_GET|G_SETTINGS_BIND_SET` * @G_SETTINGS_BIND_GET: Update the #GObject property when the setting changes. * It is an error to use this flag if the property is not writable. * @G_SETTINGS_BIND_SET: Update the setting when the #GObject property changes. * It is an error to use this flag if the property is not readable. * @G_SETTINGS_BIND_NO_SENSITIVITY: Do not try to bind a "sensitivity" property to the writability of the setting * @G_SETTINGS_BIND_GET_NO_CHANGES: When set in addition to #G_SETTINGS_BIND_GET, set the #GObject property * value initially from the setting, but do not listen for changes of the setting * @G_SETTINGS_BIND_INVERT_BOOLEAN: When passed to g_settings_bind(), uses a pair of mapping functions that invert * the boolean value when mapping between the setting and the property. The setting and property must both * be booleans. You cannot pass this flag to g_settings_bind_with_mapping(). * * Flags used when creating a binding. These flags determine in which * direction the binding works. The default is to synchronize in both * directions. */ typedef enum { G_SETTINGS_BIND_DEFAULT, G_SETTINGS_BIND_GET = (1<<0), G_SETTINGS_BIND_SET = (1<<1), G_SETTINGS_BIND_NO_SENSITIVITY = (1<<2), G_SETTINGS_BIND_GET_NO_CHANGES = (1<<3), G_SETTINGS_BIND_INVERT_BOOLEAN = (1<<4) } GSettingsBindFlags; GLIB_AVAILABLE_IN_ALL void g_settings_bind (GSettings *settings, const gchar *key, gpointer object, const gchar *property, GSettingsBindFlags flags); GLIB_AVAILABLE_IN_ALL void g_settings_bind_with_mapping (GSettings *settings, const gchar *key, gpointer object, const gchar *property, GSettingsBindFlags flags, GSettingsBindGetMapping get_mapping, GSettingsBindSetMapping set_mapping, gpointer user_data, GDestroyNotify destroy); GLIB_AVAILABLE_IN_ALL void g_settings_bind_writable (GSettings *settings, const gchar *key, gpointer object, const gchar *property, gboolean inverted); GLIB_AVAILABLE_IN_ALL void g_settings_unbind (gpointer object, const gchar *property); GLIB_AVAILABLE_IN_2_32 GAction * g_settings_create_action (GSettings *settings, const gchar *key); GLIB_AVAILABLE_IN_ALL gpointer g_settings_get_mapped (GSettings *settings, const gchar *key, GSettingsGetMapping mapping, gpointer user_data); G_END_DECLS #endif /* __G_SETTINGS_H__ */ SIMPAN PERUBAHAN