forked from AuroraMiddleware/gtk
Move instance fields to a private struct, in preparation for installing a11y headers. This also required removing access to GtkContainerAccessible innards from the GtkMenuItemAccessible implementation.
207 lines
6.3 KiB
C
207 lines
6.3 KiB
C
/* GAIL - The GNOME Accessibility Implementation Library
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* Copyright 2001, 2002, 2003 Sun Microsystems Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <gtk/gtk.h>
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#include "gtkcontaineraccessible.h"
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struct _GtkContainerAccessiblePrivate
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{
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GList *children;
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};
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G_DEFINE_TYPE (GtkContainerAccessible, _gtk_container_accessible, GTK_TYPE_WIDGET_ACCESSIBLE)
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static gint
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gtk_container_accessible_get_n_children (AtkObject* obj)
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{
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GtkWidget *widget;
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GList *children;
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gint count = 0;
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widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (obj));
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if (widget == NULL)
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return 0;
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children = gtk_container_get_children (GTK_CONTAINER (widget));
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count = g_list_length (children);
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g_list_free (children);
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return count;
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}
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static AtkObject *
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gtk_container_accessible_ref_child (AtkObject *obj,
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gint i)
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{
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GList *children, *tmp_list;
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AtkObject *accessible;
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GtkWidget *widget;
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widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (obj));
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if (widget == NULL)
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return NULL;
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children = gtk_container_get_children (GTK_CONTAINER (widget));
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tmp_list = g_list_nth (children, i);
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if (!tmp_list)
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{
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g_list_free (children);
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return NULL;
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}
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accessible = gtk_widget_get_accessible (GTK_WIDGET (tmp_list->data));
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g_list_free (children);
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g_object_ref (accessible);
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return accessible;
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}
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static gint
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gtk_container_accessible_add_gtk (GtkContainer *container,
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GtkWidget *widget,
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gpointer data)
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{
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GtkContainerAccessible *accessible = GTK_CONTAINER_ACCESSIBLE (data);
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GtkContainerAccessibleClass *klass;
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klass = GTK_CONTAINER_ACCESSIBLE_GET_CLASS (accessible);
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if (klass->add_gtk)
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return klass->add_gtk (container, widget, data);
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else
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return 1;
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}
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static gint
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gtk_container_accessible_remove_gtk (GtkContainer *container,
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GtkWidget *widget,
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gpointer data)
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{
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GtkContainerAccessible *accessible = GTK_CONTAINER_ACCESSIBLE (data);
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GtkContainerAccessibleClass *klass;
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klass = GTK_CONTAINER_ACCESSIBLE_GET_CLASS (accessible);
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if (klass->remove_gtk)
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return klass->remove_gtk (container, widget, data);
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else
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return 1;
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}
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static gint
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gtk_container_accessible_real_add_gtk (GtkContainer *container,
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GtkWidget *widget,
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gpointer data)
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{
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AtkObject *atk_parent;
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AtkObject *atk_child;
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GtkContainerAccessible *accessible;
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gint index;
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atk_parent = ATK_OBJECT (data);
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atk_child = gtk_widget_get_accessible (widget);
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accessible = GTK_CONTAINER_ACCESSIBLE (atk_parent);
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g_object_notify (G_OBJECT (atk_child), "accessible-parent");
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g_list_free (accessible->priv->children);
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accessible->priv->children = gtk_container_get_children (container);
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index = g_list_index (accessible->priv->children, widget);
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g_signal_emit_by_name (atk_parent, "children-changed::add", index, atk_child, NULL);
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return 1;
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}
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static gint
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gtk_container_accessible_real_remove_gtk (GtkContainer *container,
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GtkWidget *widget,
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gpointer data)
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{
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AtkObject* atk_parent;
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AtkObject *atk_child;
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GtkContainerAccessible *accessible;
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gint index;
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atk_parent = ATK_OBJECT (data);
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atk_child = gtk_widget_get_accessible (widget);
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if (atk_child == NULL)
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return 1;
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accessible = GTK_CONTAINER_ACCESSIBLE (atk_parent);
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g_object_notify (G_OBJECT (atk_child), "accessible-parent");
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index = g_list_index (accessible->priv->children, widget);
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g_list_free (accessible->priv->children);
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accessible->priv->children = gtk_container_get_children (container);
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if (index >= 0 && index <= g_list_length (accessible->priv->children))
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g_signal_emit_by_name (atk_parent, "children-changed::remove", index, atk_child, NULL);
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return 1;
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}
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static void
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gtk_container_accessible_real_initialize (AtkObject *obj,
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gpointer data)
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{
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GtkContainerAccessible *accessible = GTK_CONTAINER_ACCESSIBLE (obj);
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ATK_OBJECT_CLASS (_gtk_container_accessible_parent_class)->initialize (obj, data);
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accessible->priv->children = gtk_container_get_children (GTK_CONTAINER (data));
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g_signal_connect (data, "add", G_CALLBACK (gtk_container_accessible_add_gtk), obj);
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g_signal_connect (data, "remove", G_CALLBACK (gtk_container_accessible_remove_gtk), obj);
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obj->role = ATK_ROLE_PANEL;
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}
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static void
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gtk_container_accessible_finalize (GObject *object)
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{
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GtkContainerAccessible *accessible = GTK_CONTAINER_ACCESSIBLE (object);
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g_list_free (accessible->priv->children);
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G_OBJECT_CLASS (_gtk_container_accessible_parent_class)->finalize (object);
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}
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static void
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_gtk_container_accessible_class_init (GtkContainerAccessibleClass *klass)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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AtkObjectClass *class = ATK_OBJECT_CLASS (klass);
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gobject_class->finalize = gtk_container_accessible_finalize;
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class->get_n_children = gtk_container_accessible_get_n_children;
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class->ref_child = gtk_container_accessible_ref_child;
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class->initialize = gtk_container_accessible_real_initialize;
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klass->add_gtk = gtk_container_accessible_real_add_gtk;
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klass->remove_gtk = gtk_container_accessible_real_remove_gtk;
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g_type_class_add_private (klass, sizeof (GtkContainerAccessiblePrivate));
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}
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static void
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_gtk_container_accessible_init (GtkContainerAccessible *container)
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{
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container->priv = G_TYPE_INSTANCE_GET_PRIVATE (container,
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GTK_TYPE_CONTAINER_ACCESSIBLE,
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GtkContainerAccessiblePrivate);
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}
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