2 * Copyright © 2009, 2010 Codethink Limited
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the licence, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
17 * Author: Ryan Lortie <desrt@desrt.ca>
20 #ifndef __G_SETTINGS_H__
21 #define __G_SETTINGS_H__
23 #if !defined (__GIO_GIO_H_INSIDE__) && !defined (GIO_COMPILATION)
24 #error "Only <gio/gio.h> can be included directly."
27 #include <gio/gsettingsschema.h>
28 #include <gio/giotypes.h>
32 #define G_TYPE_SETTINGS (g_settings_get_type ())
33 #define G_SETTINGS(inst) (G_TYPE_CHECK_INSTANCE_CAST ((inst), \
34 G_TYPE_SETTINGS, GSettings))
35 #define G_SETTINGS_CLASS(class) (G_TYPE_CHECK_CLASS_CAST ((class), \
36 G_TYPE_SETTINGS, GSettingsClass))
37 #define G_IS_SETTINGS(inst) (G_TYPE_CHECK_INSTANCE_TYPE ((inst), G_TYPE_SETTINGS))
38 #define G_IS_SETTINGS_CLASS(class) (G_TYPE_CHECK_CLASS_TYPE ((class), G_TYPE_SETTINGS))
39 #define G_SETTINGS_GET_CLASS(inst) (G_TYPE_INSTANCE_GET_CLASS ((inst), \
40 G_TYPE_SETTINGS, GSettingsClass))
42 typedef struct _GSettingsPrivate GSettingsPrivate
;
43 typedef struct _GSettingsClass GSettingsClass
;
45 struct _GSettingsClass
47 GObjectClass parent_class
;
50 void (*writable_changed
) (GSettings
*settings
,
52 void (*changed
) (GSettings
*settings
,
54 gboolean (*writable_change_event
) (GSettings
*settings
,
56 gboolean (*change_event
) (GSettings
*settings
,
65 GObject parent_instance
;
66 GSettingsPrivate
*priv
;
71 GType
g_settings_get_type (void);
73 GLIB_DEPRECATED_IN_2_40_FOR(g_settings_schema_source_list_schemas
)
74 const gchar
* const * g_settings_list_schemas (void);
75 GLIB_DEPRECATED_IN_2_40_FOR(g_settings_schema_source_list_schemas
)
76 const gchar
* const * g_settings_list_relocatable_schemas (void);
78 GSettings
* g_settings_new (const gchar
*schema_id
);
80 GSettings
* g_settings_new_with_path (const gchar
*schema_id
,
83 GSettings
* g_settings_new_with_backend (const gchar
*schema_id
,
84 GSettingsBackend
*backend
);
86 GSettings
* g_settings_new_with_backend_and_path (const gchar
*schema_id
,
87 GSettingsBackend
*backend
,
89 GLIB_AVAILABLE_IN_2_32
90 GSettings
* g_settings_new_full (GSettingsSchema
*schema
,
91 GSettingsBackend
*backend
,
94 gchar
** g_settings_list_children (GSettings
*settings
);
95 GLIB_DEPRECATED_IN_2_46_FOR(g_settings_schema_list_keys
)
96 gchar
** g_settings_list_keys (GSettings
*settings
);
97 GLIB_DEPRECATED_IN_2_40_FOR(g_settings_schema_key_get_range
)
98 GVariant
* g_settings_get_range (GSettings
*settings
,
100 GLIB_DEPRECATED_IN_2_40_FOR(g_settings_schema_key_range_check
)
101 gboolean
g_settings_range_check (GSettings
*settings
,
105 GLIB_AVAILABLE_IN_ALL
106 gboolean
g_settings_set_value (GSettings
*settings
,
109 GLIB_AVAILABLE_IN_ALL
110 GVariant
* g_settings_get_value (GSettings
*settings
,
113 GLIB_AVAILABLE_IN_2_40
114 GVariant
* g_settings_get_user_value (GSettings
*settings
,
116 GLIB_AVAILABLE_IN_2_40
117 GVariant
* g_settings_get_default_value (GSettings
*settings
,
120 GLIB_AVAILABLE_IN_ALL
121 gboolean
g_settings_set (GSettings
*settings
,
125 GLIB_AVAILABLE_IN_ALL
126 void g_settings_get (GSettings
*settings
,
130 GLIB_AVAILABLE_IN_ALL
131 void g_settings_reset (GSettings
*settings
,
134 GLIB_AVAILABLE_IN_ALL
135 gint
g_settings_get_int (GSettings
*settings
,
137 GLIB_AVAILABLE_IN_ALL
138 gboolean
g_settings_set_int (GSettings
*settings
,
141 GLIB_AVAILABLE_IN_2_50
142 gint64
g_settings_get_int64 (GSettings
*settings
,
144 GLIB_AVAILABLE_IN_2_50
145 gboolean
g_settings_set_int64 (GSettings
*settings
,
148 GLIB_AVAILABLE_IN_2_32
149 guint
g_settings_get_uint (GSettings
*settings
,
151 GLIB_AVAILABLE_IN_2_32
152 gboolean
g_settings_set_uint (GSettings
*settings
,
155 GLIB_AVAILABLE_IN_2_50
156 guint64
g_settings_get_uint64 (GSettings
*settings
,
158 GLIB_AVAILABLE_IN_2_50
159 gboolean
g_settings_set_uint64 (GSettings
*settings
,
162 GLIB_AVAILABLE_IN_ALL
163 gchar
* g_settings_get_string (GSettings
*settings
,
165 GLIB_AVAILABLE_IN_ALL
166 gboolean
g_settings_set_string (GSettings
*settings
,
169 GLIB_AVAILABLE_IN_ALL
170 gboolean
g_settings_get_boolean (GSettings
*settings
,
172 GLIB_AVAILABLE_IN_ALL
173 gboolean
g_settings_set_boolean (GSettings
*settings
,
176 GLIB_AVAILABLE_IN_ALL
177 gdouble
g_settings_get_double (GSettings
*settings
,
179 GLIB_AVAILABLE_IN_ALL
180 gboolean
g_settings_set_double (GSettings
*settings
,
183 GLIB_AVAILABLE_IN_ALL
184 gchar
** g_settings_get_strv (GSettings
*settings
,
186 GLIB_AVAILABLE_IN_ALL
187 gboolean
g_settings_set_strv (GSettings
*settings
,
189 const gchar
*const *value
);
190 GLIB_AVAILABLE_IN_ALL
191 gint
g_settings_get_enum (GSettings
*settings
,
193 GLIB_AVAILABLE_IN_ALL
194 gboolean
g_settings_set_enum (GSettings
*settings
,
197 GLIB_AVAILABLE_IN_ALL
198 guint
g_settings_get_flags (GSettings
*settings
,
200 GLIB_AVAILABLE_IN_ALL
201 gboolean
g_settings_set_flags (GSettings
*settings
,
204 GLIB_AVAILABLE_IN_ALL
205 GSettings
* g_settings_get_child (GSettings
*settings
,
208 GLIB_AVAILABLE_IN_ALL
209 gboolean
g_settings_is_writable (GSettings
*settings
,
212 GLIB_AVAILABLE_IN_ALL
213 void g_settings_delay (GSettings
*settings
);
214 GLIB_AVAILABLE_IN_ALL
215 void g_settings_apply (GSettings
*settings
);
216 GLIB_AVAILABLE_IN_ALL
217 void g_settings_revert (GSettings
*settings
);
218 GLIB_AVAILABLE_IN_ALL
219 gboolean
g_settings_get_has_unapplied (GSettings
*settings
);
220 GLIB_AVAILABLE_IN_ALL
221 void g_settings_sync (void);
224 * GSettingsBindSetMapping:
225 * @value: a #GValue containing the property value to map
226 * @expected_type: the #GVariantType to create
227 * @user_data: user data that was specified when the binding was created
229 * The type for the function that is used to convert an object property
230 * value to a #GVariant for storing it in #GSettings.
232 * Returns: a new #GVariant holding the data from @value,
233 * or %NULL in case of an error
235 typedef GVariant
* (*GSettingsBindSetMapping
) (const GValue
*value
,
236 const GVariantType
*expected_type
,
240 * GSettingsBindGetMapping:
241 * @value: return location for the property value
242 * @variant: the #GVariant
243 * @user_data: user data that was specified when the binding was created
245 * The type for the function that is used to convert from #GSettings to
246 * an object property. The @value is already initialized to hold values
247 * of the appropriate type.
249 * Returns: %TRUE if the conversion succeeded, %FALSE in case of an error
251 typedef gboolean (*GSettingsBindGetMapping
) (GValue
*value
,
256 * GSettingsGetMapping:
257 * @value: the #GVariant to map, or %NULL
258 * @result: (out): the result of the mapping
259 * @user_data: (closure): the user data that was passed to
260 * g_settings_get_mapped()
262 * The type of the function that is used to convert from a value stored
263 * in a #GSettings to a value that is useful to the application.
265 * If the value is successfully mapped, the result should be stored at
266 * @result and %TRUE returned. If mapping fails (for example, if @value
267 * is not in the right format) then %FALSE should be returned.
269 * If @value is %NULL then it means that the mapping function is being
270 * given a "last chance" to successfully return a valid value. %TRUE
271 * must be returned in this case.
273 * Returns: %TRUE if the conversion succeeded, %FALSE in case of an error
275 typedef gboolean (*GSettingsGetMapping
) (GVariant
*value
,
280 * GSettingsBindFlags:
281 * @G_SETTINGS_BIND_DEFAULT: Equivalent to `G_SETTINGS_BIND_GET|G_SETTINGS_BIND_SET`
282 * @G_SETTINGS_BIND_GET: Update the #GObject property when the setting changes.
283 * It is an error to use this flag if the property is not writable.
284 * @G_SETTINGS_BIND_SET: Update the setting when the #GObject property changes.
285 * It is an error to use this flag if the property is not readable.
286 * @G_SETTINGS_BIND_NO_SENSITIVITY: Do not try to bind a "sensitivity" property to the writability of the setting
287 * @G_SETTINGS_BIND_GET_NO_CHANGES: When set in addition to #G_SETTINGS_BIND_GET, set the #GObject property
288 * value initially from the setting, but do not listen for changes of the setting
289 * @G_SETTINGS_BIND_INVERT_BOOLEAN: When passed to g_settings_bind(), uses a pair of mapping functions that invert
290 * the boolean value when mapping between the setting and the property. The setting and property must both
291 * be booleans. You cannot pass this flag to g_settings_bind_with_mapping().
293 * Flags used when creating a binding. These flags determine in which
294 * direction the binding works. The default is to synchronize in both
299 G_SETTINGS_BIND_DEFAULT
,
300 G_SETTINGS_BIND_GET
= (1<<0),
301 G_SETTINGS_BIND_SET
= (1<<1),
302 G_SETTINGS_BIND_NO_SENSITIVITY
= (1<<2),
303 G_SETTINGS_BIND_GET_NO_CHANGES
= (1<<3),
304 G_SETTINGS_BIND_INVERT_BOOLEAN
= (1<<4)
305 } GSettingsBindFlags
;
307 GLIB_AVAILABLE_IN_ALL
308 void g_settings_bind (GSettings
*settings
,
311 const gchar
*property
,
312 GSettingsBindFlags flags
);
313 GLIB_AVAILABLE_IN_ALL
314 void g_settings_bind_with_mapping (GSettings
*settings
,
317 const gchar
*property
,
318 GSettingsBindFlags flags
,
319 GSettingsBindGetMapping get_mapping
,
320 GSettingsBindSetMapping set_mapping
,
322 GDestroyNotify destroy
);
323 GLIB_AVAILABLE_IN_ALL
324 void g_settings_bind_writable (GSettings
*settings
,
327 const gchar
*property
,
329 GLIB_AVAILABLE_IN_ALL
330 void g_settings_unbind (gpointer object
,
331 const gchar
*property
);
333 GLIB_AVAILABLE_IN_2_32
334 GAction
* g_settings_create_action (GSettings
*settings
,
337 GLIB_AVAILABLE_IN_ALL
338 gpointer
g_settings_get_mapped (GSettings
*settings
,
340 GSettingsGetMapping mapping
,
345 #endif /* __G_SETTINGS_H__ */