forked from AuroraMiddleware/gtk
155 lines
4.5 KiB
C
155 lines
4.5 KiB
C
/* GAIL - The GNOME Accessibility Enabling Library
|
|
* Copyright 2001, 2002, 2003 Sun Microsystems Inc.
|
|
*
|
|
* 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, write to the
|
|
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
* Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include <string.h>
|
|
#include <gtk/gtk.h>
|
|
#include "gtkpanedaccessible.h"
|
|
|
|
static void atk_value_interface_init (AtkValueIface *iface);
|
|
|
|
G_DEFINE_TYPE_WITH_CODE (GtkPanedAccessible, _gtk_paned_accessible, GTK_TYPE_CONTAINER_ACCESSIBLE,
|
|
G_IMPLEMENT_INTERFACE (ATK_TYPE_VALUE, atk_value_interface_init))
|
|
|
|
static void
|
|
gtk_paned_accessible_size_allocate_gtk (GtkWidget *widget,
|
|
GtkAllocation *allocation)
|
|
{
|
|
AtkObject *obj = gtk_widget_get_accessible (widget);
|
|
|
|
g_object_notify (G_OBJECT (obj), "accessible-value");
|
|
}
|
|
|
|
static void
|
|
gtk_paned_accessible_initialize (AtkObject *obj,
|
|
gpointer data)
|
|
{
|
|
ATK_OBJECT_CLASS (_gtk_paned_accessible_parent_class)->initialize (obj, data);
|
|
|
|
g_signal_connect (data, "size-allocate",
|
|
G_CALLBACK (gtk_paned_accessible_size_allocate_gtk), NULL);
|
|
|
|
obj->role = ATK_ROLE_SPLIT_PANE;
|
|
}
|
|
|
|
static void
|
|
_gtk_paned_accessible_class_init (GtkPanedAccessibleClass *klass)
|
|
{
|
|
AtkObjectClass *class = ATK_OBJECT_CLASS (klass);
|
|
|
|
class->initialize = gtk_paned_accessible_initialize;
|
|
}
|
|
|
|
static void
|
|
_gtk_paned_accessible_init (GtkPanedAccessible *paned)
|
|
{
|
|
}
|
|
|
|
static void
|
|
gtk_paned_accessible_get_current_value (AtkValue *obj,
|
|
GValue *value)
|
|
{
|
|
GtkWidget* widget;
|
|
gint current_value;
|
|
|
|
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (obj));
|
|
if (widget == NULL)
|
|
return;
|
|
|
|
current_value = gtk_paned_get_position (GTK_PANED (widget));
|
|
memset (value, 0, sizeof (GValue));
|
|
g_value_init (value, G_TYPE_INT);
|
|
g_value_set_int (value,current_value);
|
|
}
|
|
|
|
static void
|
|
gtk_paned_accessible_get_maximum_value (AtkValue *obj,
|
|
GValue *value)
|
|
{
|
|
GtkWidget* widget;
|
|
gint maximum_value;
|
|
|
|
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (obj));
|
|
if (widget == NULL)
|
|
return;
|
|
|
|
g_object_get (GTK_PANED (widget),
|
|
"max-position", &maximum_value,
|
|
NULL);
|
|
memset (value, 0, sizeof (GValue));
|
|
g_value_init (value, G_TYPE_INT);
|
|
g_value_set_int (value, maximum_value);
|
|
}
|
|
|
|
static void
|
|
gtk_paned_accessible_get_minimum_value (AtkValue *obj,
|
|
GValue *value)
|
|
{
|
|
GtkWidget* widget;
|
|
gint minimum_value;
|
|
|
|
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (obj));
|
|
if (widget == NULL)
|
|
return;
|
|
|
|
g_object_get (GTK_PANED (widget),
|
|
"min-position", &minimum_value,
|
|
NULL);
|
|
memset (value, 0, sizeof (GValue));
|
|
g_value_init (value, G_TYPE_INT);
|
|
g_value_set_int (value, minimum_value);
|
|
}
|
|
|
|
/* Calling atk_value_set_current_value() is no guarantee that the value
|
|
* is acceptable; it is necessary to listen for accessible-value signals
|
|
* and check whether the current value has been changed or check what the
|
|
* maximum and minimum values are.
|
|
*/
|
|
static gboolean
|
|
gtk_paned_accessible_set_current_value (AtkValue *obj,
|
|
const GValue *value)
|
|
{
|
|
GtkWidget* widget;
|
|
gint new_value;
|
|
|
|
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (obj));
|
|
if (widget == NULL)
|
|
return FALSE;
|
|
|
|
if (G_VALUE_HOLDS_INT (value))
|
|
{
|
|
new_value = g_value_get_int (value);
|
|
gtk_paned_set_position (GTK_PANED (widget), new_value);
|
|
|
|
return TRUE;
|
|
}
|
|
else
|
|
return FALSE;
|
|
}
|
|
|
|
static void
|
|
atk_value_interface_init (AtkValueIface *iface)
|
|
{
|
|
iface->get_current_value = gtk_paned_accessible_get_current_value;
|
|
iface->get_maximum_value = gtk_paned_accessible_get_maximum_value;
|
|
iface->get_minimum_value = gtk_paned_accessible_get_minimum_value;
|
|
iface->set_current_value = gtk_paned_accessible_set_current_value;
|
|
}
|