mirror of
https://gitlab.gnome.org/GNOME/gtk.git
synced 2024-12-26 13:41:07 +00:00
266 lines
12 KiB
C
266 lines
12 KiB
C
/* 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/>.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#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_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;
|
|
|
|
/**
|
|
* GtkBuildableParseContext:
|
|
*
|
|
* An opaque context struct for `GtkBuildableParser`.
|
|
*/
|
|
|
|
/**
|
|
* GtkBuildableParser:
|
|
* @start_element: function called for open elements
|
|
* @end_element: function called for close elements
|
|
* @text: function called for character data
|
|
* @error: function called on error
|
|
*
|
|
* A sub-parser for `GtkBuildable` implementations.
|
|
*/
|
|
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);
|
|
|
|
/*< private >*/
|
|
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 [property@Gtk.Widget: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 accessible attributes specified
|
|
* in `<accessibility>` 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 methods 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);
|
|
|
|
/**
|
|
* GtkBuildableIface::add_child:
|
|
* @buildable: a `GtkBuildable`
|
|
* @builder: a `GtkBuilder`
|
|
* @child: child to add
|
|
* @type: (nullable): kind of child or %NULL
|
|
*
|
|
* Adds a child to @buildable. @type is an optional string
|
|
* describing how the child should be added.
|
|
*/
|
|
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);
|
|
|
|
/**
|
|
* GtkBuildableIface::custom_tag_start:
|
|
* @buildable: a `GtkBuildable`
|
|
* @builder: a `GtkBuilder` used to construct this object
|
|
* @child: (nullable): child object or %NULL for non-child tags
|
|
* @tagname: name of tag
|
|
* @parser: (out): a `GtkBuildableParser` to fill in
|
|
* @data: (out): return location for user data that will be passed in
|
|
* to parser functions
|
|
*
|
|
* Called for each unknown element under `<child>`.
|
|
*
|
|
* Returns: %TRUE if an object has a custom implementation, %FALSE
|
|
* if it doesn't.
|
|
*/
|
|
gboolean (* custom_tag_start) (GtkBuildable *buildable,
|
|
GtkBuilder *builder,
|
|
GObject *child,
|
|
const char *tagname,
|
|
GtkBuildableParser *parser,
|
|
gpointer *data);
|
|
/**
|
|
* GtkBuildableIface::custom_tag_end:
|
|
* @buildable: A `GtkBuildable`
|
|
* @builder: `GtkBuilder` used to construct this object
|
|
* @child: (nullable): child object or %NULL for non-child tags
|
|
* @tagname: name of tag
|
|
* @data: user data that will be passed in to parser functions
|
|
*
|
|
* Called at the end of each custom element handled by
|
|
* the buildable.
|
|
*/
|
|
void (* custom_tag_end) (GtkBuildable *buildable,
|
|
GtkBuilder *builder,
|
|
GObject *child,
|
|
const char *tagname,
|
|
gpointer data);
|
|
/**
|
|
* GtkBuildableIface::custom_finished:
|
|
* @buildable: a `GtkBuildable`
|
|
* @builder: a `GtkBuilder`
|
|
* @child: (nullable): child object or %NULL for non-child tags
|
|
* @tagname: the name of the tag
|
|
* @data: user data created in custom_tag_start
|
|
*
|
|
* Similar to gtk_buildable_parser_finished() but is
|
|
* called once for each custom tag handled by the @buildable.
|
|
*/
|
|
void (* custom_finished) (GtkBuildable *buildable,
|
|
GtkBuilder *builder,
|
|
GObject *child,
|
|
const char *tagname,
|
|
gpointer data);
|
|
void (* parser_finished) (GtkBuildable *buildable,
|
|
GtkBuilder *builder);
|
|
|
|
/**
|
|
* GtkBuildableIface::get_internal_child:
|
|
* @buildable: a `GtkBuildable`
|
|
* @builder: a `GtkBuilder`
|
|
* @childname: name of child
|
|
*
|
|
* Retrieves the internal child called @childname of the @buildable object.
|
|
*
|
|
* Returns: (transfer none): the internal child of the buildable object
|
|
*/
|
|
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_DEFINE_AUTOPTR_CLEANUP_FUNC(GtkBuildable, g_object_unref)
|
|
|
|
G_END_DECLS
|
|
|