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/* GTK - The GIMP Toolkit
* Copyright (C) 2006-2007 Async Open Source,
* Johan Dahlin <jdahlin@async.com.br>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __GTK_BUILDABLE_H__
#define __GTK_BUILDABLE_H__
#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
#error "Only <gtk/gtk.h> can be included directly."
#endif
#include <gtk/gtkbuilder.h>
G_BEGIN_DECLS
#define GTK_TYPE_BUILDABLE (gtk_buildable_get_type ())
#define GTK_BUILDABLE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_BUILDABLE, GtkBuildable))
#define GTK_BUILDABLE_CLASS(obj) (G_TYPE_CHECK_CLASS_CAST ((obj), GTK_TYPE_BUILDABLE, GtkBuildableIface))
#define GTK_IS_BUILDABLE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_BUILDABLE))
#define GTK_BUILDABLE_GET_IFACE(obj) (G_TYPE_INSTANCE_GET_INTERFACE ((obj), GTK_TYPE_BUILDABLE, GtkBuildableIface))
typedef struct _GtkBuildable GtkBuildable; /* Dummy typedef */
typedef struct _GtkBuildableIface GtkBuildableIface;
typedef struct _GtkBuildableParseContext GtkBuildableParseContext;
typedef struct _GtkBuildableParser GtkBuildableParser;
struct _GtkBuildableParser
{
/* Called for open tags <foo bar="baz"> */
void (*start_element) (GtkBuildableParseContext *context,
const char *element_name,
const char **attribute_names,
const char **attribute_values,
gpointer user_data,
GError **error);
/* Called for close tags </foo> */
void (*end_element) (GtkBuildableParseContext *context,
const char *element_name,
gpointer user_data,
GError **error);
/* Called for character data */
/* text is not nul-terminated */
void (*text) (GtkBuildableParseContext *context,
const char *text,
gsize text_len,
gpointer user_data,
GError **error);
/* Called on error, including one set by other
* methods in the vtable. The GError should not be freed.
*/
void (*error) (GtkBuildableParseContext *context,
GError *error,
gpointer user_data);
gpointer padding[4];
};
/**
* GtkBuildableIface:
* @g_iface: the parent class
* @set_id: Stores the id attribute given in the GtkBuilder UI definition.
* #GtkWidget stores the name as object data. Implement this method if your
* object has some notion of “ID” and it makes sense to map the XML id
* attribute to it.
* @get_id: The getter corresponding to @set_id. Implement this
* if you implement @set_id.
* @add_child: Adds a child. The @type parameter can be used to
* differentiate the kind of child. #GtkWidget implements this
* to add event controllers to the widget, #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. This can be used to
* reference a widget created in a <ui> 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 <child>. To handle an element, the implementation
* must fill in the @parser and @user_data and return %TRUE.
* #GtkWidget implements this to parse keyboard accelerators specified
* in <accelerator> elements.
* 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.
*
* The #GtkBuildableIface interface contains method that are
* necessary to allow #GtkBuilder to construct an object from
* a #GtkBuilder UI definition.
*/
struct _GtkBuildableIface
{
GTypeInterface g_iface;
/* virtual table */
void (* set_id) (GtkBuildable *buildable,
const char *id);
const char * (* get_id) (GtkBuildable *buildable);
void (* add_child) (GtkBuildable *buildable,
GtkBuilder *builder,
GObject *child,
const char *type);
void (* set_buildable_property) (GtkBuildable *buildable,
GtkBuilder *builder,
const char *name,
const GValue *value);
GObject * (* construct_child) (GtkBuildable *buildable,
GtkBuilder *builder,
const char *name);
gboolean (* custom_tag_start) (GtkBuildable *buildable,
GtkBuilder *builder,
GObject *child,
const char *tagname,
GtkBuildableParser *parser,
gpointer *data);
void (* custom_tag_end) (GtkBuildable *buildable,
GtkBuilder *builder,
GObject *child,
const char *tagname,
gpointer data);
void (* custom_finished) (GtkBuildable *buildable,
GtkBuilder *builder,
GObject *child,
const char *tagname,
gpointer data);
void (* parser_finished) (GtkBuildable *buildable,
GtkBuilder *builder);
GObject * (* get_internal_child) (GtkBuildable *buildable,
GtkBuilder *builder,
const char *childname);
};
GDK_AVAILABLE_IN_ALL
GType gtk_buildable_get_type (void) G_GNUC_CONST;
GDK_AVAILABLE_IN_ALL
const char * gtk_buildable_get_buildable_id (GtkBuildable *buildable);
GDK_AVAILABLE_IN_ALL
void gtk_buildable_parse_context_push (GtkBuildableParseContext *context,
const GtkBuildableParser *parser,
gpointer user_data);
GDK_AVAILABLE_IN_ALL
gpointer gtk_buildable_parse_context_pop (GtkBuildableParseContext *context);
GDK_AVAILABLE_IN_ALL
const char * gtk_buildable_parse_context_get_element (GtkBuildableParseContext *context);
GDK_AVAILABLE_IN_ALL
GPtrArray *gtk_buildable_parse_context_get_element_stack (GtkBuildableParseContext *context);
GDK_AVAILABLE_IN_ALL
void gtk_buildable_parse_context_get_position (GtkBuildableParseContext *context,
int *line_number,
int *char_number);
G_END_DECLS
#endif /* __GTK_BUILDABLE_H__ */
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