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GtkBuildable

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Interface for objects that can be built by GtkBuilder

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<para>
In order to allow construction from a <link linkend="BUILDER-UI">GtkBuilder 
UI description</link>, an object class must implement the 
GtkBuildable interface. The interface includes methods for setting 
names and properties of objects, parsing custom tags, constructing 
child objects.
</para>
<para>
The GtkBuildable interface is implemented by all widgets and 
many of the non-widget objects that are provided by GTK+. The
main user of this interface is #GtkBuilder, there should be
very little need for applications to call any 
<function>gtk_buildable_...</function> functions.
</para>

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<!-- ##### STRUCT GtkBuildable ##### -->
<para>

</para>


<!-- ##### STRUCT GtkBuildableIface ##### -->
<para>
The GtkBuildableIface interface contains method that are
necessary to allow #GtkBuilder to construct an object from
a GtkBuilder UI definition.
</para>

@g_iface: the parent class
@set_name: Stores the name attribute given in the GtkBuilder UI definition.
  #GtkWidget stores the name as object data. Implement this method if your
  object has some notion of "name" and it makes sense to map the XML name
  attribute to it.
@get_name: The getter corresponding to @set_name. Implement this
  if you implement @set_name.
@add_child: Adds a child. The @type parameter can be used to 
  differentiate the kind of child. #GtkContainer implements this 
  to add add a child widget to the container, #GtkNotebook uses 
  the @type to distinguish between page labels (of type "page-label") 
  and normal children.
@set_buildable_property: Sets a property of a buildable object.
  It is normally not necessary to implement this, g_object_set_property()
  is used by default. #GtkWindow implements this to delay showing itself
  (i.e. setting the #GtkWidget:visible property) until the whole interface 
  is created.
@construct_child: Constructs a child of a buildable that has been
  specified as "constructor" in the UI definition. #GtkUIManager implements 
  this to reference to a widget created in a &lt;ui&gt; tag which is outside 
  of the normal GtkBuilder UI definition hierarchy.  A reference to the
  constructed object is returned and becomes owned by the caller.
@custom_tag_start: Implement this if the buildable needs to parse 
  content below &lt;child&gt;. To handle an element, the implementation
  must fill in the @parser structure and @user_data and return %TRUE.
  #GtkWidget implements this to parse keyboard accelerators specified
  in &lt;accelerator&gt; elements. #GtkContainer implements it to map 
  properties defined via &lt;packing&gt; elements to child properties.
  Note that @user_data must be freed in @custom_tag_end or @custom_finished.
@custom_tag_end: Called for the end tag of each custom element that is
  handled by the buildable (see @custom_tag_start).
@custom_finished: Called for each custom tag handled by the buildable
  when the builder finishes parsing (see @custom_tag_start)
@parser_finished: Called when a builder finishes the parsing
  of a UI definition. It is normally not necessary to implement this,
  unless you need to perform special cleanup actions. #GtkWindow sets
  the #GtkWidget:visible property here.
@get_internal_child: Returns an internal child of a buildable. 
  #GtkDialog implements this to give access to its @vbox, making
  it possible to add children to the vbox in a UI definition.
  Implement this if the buildable has internal children that may
  need to be accessed from a UI definition.

<!-- ##### FUNCTION gtk_buildable_set_name ##### -->
<para>

</para>

@buildable: 
@name: 


<!-- ##### FUNCTION gtk_buildable_get_name ##### -->
<para>

</para>

@buildable: 
@Returns: 


<!-- ##### FUNCTION gtk_buildable_add_child ##### -->
<para>

</para>

@buildable: 
@builder: 
@child: 
@type: 


<!-- ##### FUNCTION gtk_buildable_set_buildable_property ##### -->
<para>

</para>

@buildable: 
@builder: 
@name: 
@value: 


<!-- ##### FUNCTION gtk_buildable_construct_child ##### -->
<para>

</para>

@buildable: 
@builder: 
@name: 
@Returns: 


<!-- ##### FUNCTION gtk_buildable_custom_tag_start ##### -->
<para>

</para>

@buildable: 
@builder: 
@child: 
@tagname: 
@parser: 
@data: 
@Returns: 


<!-- ##### FUNCTION gtk_buildable_custom_tag_end ##### -->
<para>

</para>

@buildable: 
@builder: 
@child: 
@tagname: 
@data: 


<!-- ##### FUNCTION gtk_buildable_custom_finished ##### -->
<para>

</para>

@buildable: 
@builder: 
@child: 
@tagname: 
@data: 


<!-- ##### FUNCTION gtk_buildable_parser_finished ##### -->
<para>

</para>

@buildable: 
@builder: 


<!-- ##### FUNCTION gtk_buildable_get_internal_child ##### -->
<para>

</para>

@buildable: 
@builder: 
@childname: 
@Returns: 


