gtk2/gtk/gtkcontainer.h
2016-10-20 20:12:05 +02:00

266 lines
9.7 KiB
C

/* GTK - The GIMP Toolkit
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
/*
* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
* file for a list of people on the GTK+ Team. See the ChangeLog
* files for a list of changes. These files are distributed with
* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
*/
#ifndef __GTK_CONTAINER_H__
#define __GTK_CONTAINER_H__
#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
#error "Only <gtk/gtk.h> can be included directly."
#endif
#include <gtk/gtkwidget.h>
G_BEGIN_DECLS
#define GTK_TYPE_CONTAINER (gtk_container_get_type ())
#define GTK_CONTAINER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_CONTAINER, GtkContainer))
#define GTK_CONTAINER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_CONTAINER, GtkContainerClass))
#define GTK_IS_CONTAINER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_CONTAINER))
#define GTK_IS_CONTAINER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_CONTAINER))
#define GTK_CONTAINER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_CONTAINER, GtkContainerClass))
typedef struct _GtkContainer GtkContainer;
typedef struct _GtkContainerPrivate GtkContainerPrivate;
typedef struct _GtkContainerClass GtkContainerClass;
struct _GtkContainer
{
GtkWidget widget;
/*< private >*/
GtkContainerPrivate *priv;
};
/**
* GtkContainerClass:
* @parent_class: The parent class.
* @add: Signal emitted when a widget is added to container.
* @remove: Signal emitted when a widget is removed from container.
* @check_resize: Signal emitted when a size recalculation is needed.
* @forall: Invokes callback on each child of container.
* @set_focus_child: Sets the focused child of container.
* @child_type: Returns the type of the children supported by the container.
* @set_child_property: Set a property on a child of container.
* @get_child_property: Get a property from a child of container.
* @get_path_for_child: Get path representing entire widget hierarchy
* from the toplevel down to and including @child.
*
* Base class for containers.
*/
struct _GtkContainerClass
{
GtkWidgetClass parent_class;
/*< public >*/
void (*add) (GtkContainer *container,
GtkWidget *widget);
void (*remove) (GtkContainer *container,
GtkWidget *widget);
void (*check_resize) (GtkContainer *container);
void (*forall) (GtkContainer *container,
gboolean include_internals,
GtkCallback callback,
gpointer callback_data);
void (*set_focus_child) (GtkContainer *container,
GtkWidget *child);
GType (*child_type) (GtkContainer *container);
void (*set_child_property) (GtkContainer *container,
GtkWidget *child,
guint property_id,
const GValue *value,
GParamSpec *pspec);
void (*get_child_property) (GtkContainer *container,
GtkWidget *child,
guint property_id,
GValue *value,
GParamSpec *pspec);
GtkWidgetPath * (*get_path_for_child) (GtkContainer *container,
GtkWidget *child);
/*< private >*/
/* Padding for future expansion */
void (*_gtk_reserved1) (void);
void (*_gtk_reserved2) (void);
void (*_gtk_reserved3) (void);
void (*_gtk_reserved4) (void);
void (*_gtk_reserved5) (void);
void (*_gtk_reserved6) (void);
void (*_gtk_reserved7) (void);
void (*_gtk_reserved8) (void);
};
/* Application-level methods */
GDK_AVAILABLE_IN_ALL
GType gtk_container_get_type (void) G_GNUC_CONST;
GDK_AVAILABLE_IN_ALL
void gtk_container_add (GtkContainer *container,
GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_container_remove (GtkContainer *container,
GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_container_check_resize (GtkContainer *container);
GDK_AVAILABLE_IN_ALL
void gtk_container_foreach (GtkContainer *container,
GtkCallback callback,
gpointer callback_data);
GDK_AVAILABLE_IN_ALL
GList* gtk_container_get_children (GtkContainer *container);
GDK_AVAILABLE_IN_ALL
void gtk_container_propagate_draw (GtkContainer *container,
GtkWidget *child,
cairo_t *cr);
GDK_AVAILABLE_IN_ALL
void gtk_container_set_focus_chain (GtkContainer *container,
GList *focusable_widgets);
GDK_AVAILABLE_IN_ALL
gboolean gtk_container_get_focus_chain (GtkContainer *container,
GList **focusable_widgets);
GDK_AVAILABLE_IN_ALL
void gtk_container_unset_focus_chain (GtkContainer *container);
/* Widget-level methods */
GDK_AVAILABLE_IN_ALL
void gtk_container_set_focus_child (GtkContainer *container,
GtkWidget *child);
GDK_AVAILABLE_IN_ALL
GtkWidget *
gtk_container_get_focus_child (GtkContainer *container);
GDK_AVAILABLE_IN_ALL
void gtk_container_set_focus_vadjustment (GtkContainer *container,
GtkAdjustment *adjustment);
GDK_AVAILABLE_IN_ALL
GtkAdjustment *gtk_container_get_focus_vadjustment (GtkContainer *container);
GDK_AVAILABLE_IN_ALL
void gtk_container_set_focus_hadjustment (GtkContainer *container,
GtkAdjustment *adjustment);
GDK_AVAILABLE_IN_ALL
GtkAdjustment *gtk_container_get_focus_hadjustment (GtkContainer *container);
GDK_AVAILABLE_IN_ALL
GType gtk_container_child_type (GtkContainer *container);
GDK_AVAILABLE_IN_ALL
void gtk_container_class_install_child_property (GtkContainerClass *cclass,
guint property_id,
GParamSpec *pspec);
GDK_AVAILABLE_IN_3_18
void gtk_container_class_install_child_properties (GtkContainerClass *cclass,
guint n_pspecs,
GParamSpec **pspecs);
GDK_AVAILABLE_IN_ALL
GParamSpec* gtk_container_class_find_child_property (GObjectClass *cclass,
const gchar *property_name);
GDK_AVAILABLE_IN_ALL
GParamSpec** gtk_container_class_list_child_properties (GObjectClass *cclass,
guint *n_properties);
GDK_AVAILABLE_IN_ALL
void gtk_container_add_with_properties (GtkContainer *container,
GtkWidget *widget,
const gchar *first_prop_name,
...) G_GNUC_NULL_TERMINATED;
GDK_AVAILABLE_IN_ALL
void gtk_container_child_set (GtkContainer *container,
GtkWidget *child,
const gchar *first_prop_name,
...) G_GNUC_NULL_TERMINATED;
GDK_AVAILABLE_IN_ALL
void gtk_container_child_get (GtkContainer *container,
GtkWidget *child,
const gchar *first_prop_name,
...) G_GNUC_NULL_TERMINATED;
GDK_AVAILABLE_IN_ALL
void gtk_container_child_set_valist (GtkContainer *container,
GtkWidget *child,
const gchar *first_property_name,
va_list var_args);
GDK_AVAILABLE_IN_ALL
void gtk_container_child_get_valist (GtkContainer *container,
GtkWidget *child,
const gchar *first_property_name,
va_list var_args);
GDK_AVAILABLE_IN_ALL
void gtk_container_child_set_property (GtkContainer *container,
GtkWidget *child,
const gchar *property_name,
const GValue *value);
GDK_AVAILABLE_IN_ALL
void gtk_container_child_get_property (GtkContainer *container,
GtkWidget *child,
const gchar *property_name,
GValue *value);
GDK_AVAILABLE_IN_3_2
void gtk_container_child_notify (GtkContainer *container,
GtkWidget *child,
const gchar *child_property);
GDK_AVAILABLE_IN_3_18
void gtk_container_child_notify_by_pspec (GtkContainer *container,
GtkWidget *child,
GParamSpec *pspec);
/**
* GTK_CONTAINER_WARN_INVALID_CHILD_PROPERTY_ID:
* @object: the #GObject on which set_child_property() or get_child_property()
* was called
* @property_id: the numeric id of the property
* @pspec: the #GParamSpec of the property
*
* This macro should be used to emit a standard warning about unexpected
* properties in set_child_property() and get_child_property() implementations.
*/
#define GTK_CONTAINER_WARN_INVALID_CHILD_PROPERTY_ID(object, property_id, pspec) \
G_OBJECT_WARN_INVALID_PSPEC ((object), "child property", (property_id), (pspec))
GDK_AVAILABLE_IN_ALL
void gtk_container_forall (GtkContainer *container,
GtkCallback callback,
gpointer callback_data);
GDK_AVAILABLE_IN_ALL
GtkWidgetPath * gtk_container_get_path_for_child (GtkContainer *container,
GtkWidget *child);
G_DEFINE_AUTOPTR_CLEANUP_FUNC(GtkContainer, g_object_unref)
G_END_DECLS
#endif /* __GTK_CONTAINER_H__ */