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Document vendor override files

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Features without documentation, tsk tsk.
This commit is contained in:
Matthias Clasen 2010-08-13 21:21:43 -04:00
parent 63d19f0656
commit ea8a963936
2 changed files with 40 additions and 14 deletions
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6
docs/reference/gio/glib-compile-schemas.xml
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@ -35,6 +35,12 @@ specified in the <envar>XDG_DATA_DIRS</envar> environment variable. The
usual location to install schema files is
<filename>/usr/share/glib-2.0/schemas</filename>.
</para>
<para>
In addition to schema files, glib-compile-schemas reads 'vendor override'
files, which are key files that can override default values for keys in
the schemas. The group names in the key files are the schema id, and the
values are written in serialized GVariant form.
</para>
<refsect2><title>Options</title>
<variablelist>

48
gio/gsettings.c
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@ -144,24 +144,44 @@
* ]]></programlisting></example>
*
* <refsect2>
* <title>Binding</title>
* <title>Vendor overrides</title>
* <para>
* A very convenient feature of GSettings lets you bind #GObject properties
* directly to settings, using g_settings_bind(). Once a GObject property
* has been bound to a setting, changes on either side are automatically
* propagated to the other side. GSettings handles details like
* mapping between GObject and GVariant types, and preventing infinite
* cycles.
* Default values are defined in the schemas that get installed by
* an application. Sometimes, it is necessary for a vendor or distributor
* to adjust these defaults. Since patching the XML source for the schema
* is inconvenient and error-prone,
* <link linkend="glib-compile-schemas">glib-compile-schemas</link> reads
* so-called 'vendor override' files. These are keyfiles in the same
* directory as the XML schema sources which can override default values.
* The schema id serves as the group name in the key file, and the values
* are expected in serialized GVariant form, as in the following example:
* <informalexample><programlisting>
* [org.gtk.Example]
* key1='string'
* key2=1.5
* </programlisting></informalexample>
* </para>
* </refsect2>
*
* <refsect2>
* <title>Binding</title>
* <para>
* A very convenient feature of GSettings lets you bind #GObject properties
* directly to settings, using g_settings_bind(). Once a GObject property
* has been bound to a setting, changes on either side are automatically
* propagated to the other side. GSettings handles details like
* mapping between GObject and GVariant types, and preventing infinite
* cycles.
* </para>
* <para>
* This makes it very easy to hook up a preferences dialog to the
* underlying settings. To make this even more convenient, GSettings
* looks for a boolean property with the name "sensitivity" and
* automatically binds it to the writability of the bound setting.
* If this 'magic' gets in the way, it can be suppressed with the
* #G_SETTINGS_BIND_NO_SENSITIVITY flag.
* This makes it very easy to hook up a preferences dialog to the
* underlying settings. To make this even more convenient, GSettings
* looks for a boolean property with the name "sensitivity" and
* automatically binds it to the writability of the bound setting.
* If this 'magic' gets in the way, it can be suppressed with the
* #G_SETTINGS_BIND_NO_SENSITIVITY flag.
* </para>
* </refsect2>
* </refsect2>
**/
struct _GSettingsPrivate