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213 lines
13 KiB
C
213 lines
13 KiB
C
/*
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* Copyright © 2009, 2010 Codethink Limited
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the licence, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*
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* Author: Ryan Lortie <desrt@desrt.ca>
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*/
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#ifndef __G_SETTINGS_H__
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#define __G_SETTINGS_H__
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#include <glib-object.h>
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G_BEGIN_DECLS
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#define G_TYPE_SETTINGS (g_settings_get_type ())
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#define G_SETTINGS(inst) (G_TYPE_CHECK_INSTANCE_CAST ((inst), \
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G_TYPE_SETTINGS, GSettings))
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#define G_SETTINGS_CLASS(class) (G_TYPE_CHECK_CLASS_CAST ((class), \
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G_TYPE_SETTINGS, GSettingsClass))
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#define G_IS_SETTINGS(inst) (G_TYPE_CHECK_INSTANCE_TYPE ((inst), G_TYPE_SETTINGS))
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#define G_IS_SETTINGS_CLASS(class) (G_TYPE_CHECK_CLASS_TYPE ((class), G_TYPE_SETTINGS))
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#define G_SETTINGS_GET_CLASS(inst) (G_TYPE_INSTANCE_GET_CLASS ((inst), \
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G_TYPE_SETTINGS, GSettingsClass))
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typedef struct _GSettingsPrivate GSettingsPrivate;
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typedef struct _GSettingsClass GSettingsClass;
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typedef struct _GSettings GSettings;
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struct _GSettingsClass
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{
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GObjectClass parent_class;
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/* Signals */
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void (*writable_changed) (GSettings *settings,
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const gchar *key);
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void (*changed) (GSettings *settings,
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const gchar *key);
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gboolean (*writable_change_event) (GSettings *settings,
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GQuark key);
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gboolean (*change_event) (GSettings *settings,
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const GQuark *keys,
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gint n_keys);
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gpointer padding[20];
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};
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struct _GSettings
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{
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GObject parent_instance;
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GSettingsPrivate *priv;
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};
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GType g_settings_get_type (void);
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GSettings * g_settings_new (const gchar *schema);
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GSettings * g_settings_new_with_path (const gchar *schema,
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const gchar *path);
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gboolean g_settings_supports_context (const gchar *context);
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GSettings * g_settings_new_with_context (const gchar *schema,
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const gchar *context);
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GSettings * g_settings_new_with_context_and_path (const gchar *schema,
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const gchar *context,
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const gchar *path);
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gboolean g_settings_set_value (GSettings *settings,
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const gchar *key,
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GVariant *value);
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GVariant * g_settings_get_value (GSettings *settings,
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const gchar *key);
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gboolean g_settings_set (GSettings *settings,
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const gchar *key,
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const gchar *format,
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...);
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void g_settings_get (GSettings *settings,
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const gchar *key,
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const gchar *format,
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...);
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gint g_settings_get_int (GSettings *settings,
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const gchar *key);
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gboolean g_settings_set_int (GSettings *settings,
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const gchar *key,
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gint value);
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gchar * g_settings_get_string (GSettings *settings,
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const gchar *key);
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gboolean g_settings_set_string (GSettings *settings,
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const gchar *key,
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const gchar *value);
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gboolean g_settings_get_boolean (GSettings *settings,
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const gchar *key);
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gboolean g_settings_set_boolean (GSettings *settings,
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const gchar *key,
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gboolean value);
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gdouble g_settings_get_double (GSettings *settings,
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const gchar *key);
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gboolean g_settings_set_double (GSettings *settings,
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const gchar *key,
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gdouble value);
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gchar ** g_settings_get_strv (GSettings *settings,
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const gchar *key,
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gsize *length);
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gboolean g_settings_set_strv (GSettings *settings,
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const gchar *key,
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const gchar *const *value,
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gssize length);
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GSettings * g_settings_get_child (GSettings *settings,
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const gchar *name);
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gboolean g_settings_is_writable (GSettings *settings,
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const gchar *name);
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void g_settings_delay (GSettings *settings);
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void g_settings_apply (GSettings *settings);
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void g_settings_revert (GSettings *settings);
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gboolean g_settings_get_has_unapplied (GSettings *settings);
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/**
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* GSettingsBindSetMapping:
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* @value: a #GValue containing the property value to map
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* @expected_type: the #GVariantType to create
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* @user_data: user data that was specified when the binding was created
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* @returns: a new #GVariant holding the data from @value,
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* or %NULL in case of an error
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*
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* The type for the function that is used to convert an object property
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* value to a #GVariant for storing it in #GSettings.
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*/
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typedef GVariant * (*GSettingsBindSetMapping) (const GValue *value,
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const GVariantType *expected_type,
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gpointer user_data);
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/**
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* GSettingsBindGetMapping:
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* @value: return location for the property value
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* @variant: the #GVariant
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* @user_data: user data that was specified when the binding was created
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* @returns: %TRUE if the conversion succeeded, %FALSE in case of an error
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*
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* The type for the function that is used to convert from #GSettings to
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* an object property. The @value is already initialized to hold values
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* of the appropriate type.
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*/
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typedef gboolean (*GSettingsBindGetMapping) (GValue *value,
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GVariant *variant,
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gpointer user_data);
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/**
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* GSettingsBindFlags:
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* @G_SETTINGS_BIND_DEFAULT: Equivalent to <literal>G_SETTINGS_BIND_GET|G_SETTINGS_BIND_SET</literal>
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* @G_SETTINGS_BIND_GET: Update the #GObject property when the setting changes.
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* It is an error to use this flag if the property is not writable.
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* @G_SETTINGS_BIND_SET: Update the setting when the #GObject property changes.
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* It is an error to use this flag if the property is not readable.
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* @G_SETTINGS_BIND_NO_SENSITIVITY: Do not try to bind a "sensitivity" property to the writability of the setting
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* @G_SETTINGS_BIND_GET_NO_CHANGES: When set in addition to #G_SETTINGS_BIND_GET, set the #GObject property
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* value initially from the setting, but do not listen for changes of the setting
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*
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* Flags used when creating a binding. These flags determine in which
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* direction the binding works. The default is to synchronize in both
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* directions.
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*/
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typedef enum
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{
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G_SETTINGS_BIND_DEFAULT,
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G_SETTINGS_BIND_GET = (1<<0),
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G_SETTINGS_BIND_SET = (1<<1),
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G_SETTINGS_BIND_NO_SENSITIVITY = (1<<2),
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G_SETTINGS_BIND_GET_NO_CHANGES = (1<<3)
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} GSettingsBindFlags;
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void g_settings_bind (GSettings *settings,
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const gchar *key,
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gpointer object,
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const gchar *property,
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GSettingsBindFlags flags);
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void g_settings_bind_with_mapping (GSettings *settings,
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const gchar *key,
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gpointer object,
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const gchar *property,
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GSettingsBindFlags flags,
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GSettingsBindGetMapping get_mapping,
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GSettingsBindSetMapping set_mapping,
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gpointer user_data,
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GDestroyNotify destroy);
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void g_settings_bind_writable (GSettings *settings,
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const gchar *key,
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gpointer object,
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const gchar *property,
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gboolean inverted);
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void g_settings_unbind (gpointer object,
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const gchar *property);
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G_END_DECLS
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#endif /* __G_SETTINGS_H__ */
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