forked from AuroraMiddleware/gtk
a8e6ee33b1
* configure.in: * docs/reference/Makefile.am: * docs/reference/libgail-util/*: * gail-uninstalled.pc.in: * gail.pc.in: * modules/Makefile.am: * modules/other/Makefile.am: * modules/other/gail/*: * modules/other/gail/libgail-util/*: * po/POTFILES.skip: Integrate gail into gtk+. Bug #169488. svn path=/trunk/; revision=19196
297 lines
8.8 KiB
C
297 lines
8.8 KiB
C
/* GAIL - The GNOME Accessibility Implementation 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 <string.h>
|
|
#include <gtk/gtk.h>
|
|
#include "gailspinbutton.h"
|
|
#include "gailadjustment.h"
|
|
#include "gail-private-macros.h"
|
|
|
|
static void gail_spin_button_class_init (GailSpinButtonClass *klass);
|
|
static void gail_spin_button_real_initialize (AtkObject *obj,
|
|
gpointer data);
|
|
static void gail_spin_button_finalize (GObject *object);
|
|
|
|
static void atk_value_interface_init (AtkValueIface *iface);
|
|
|
|
static void gail_spin_button_real_notify_gtk (GObject *obj,
|
|
GParamSpec *pspec);
|
|
|
|
static void gail_spin_button_get_current_value (AtkValue *obj,
|
|
GValue *value);
|
|
static void gail_spin_button_get_maximum_value (AtkValue *obj,
|
|
GValue *value);
|
|
static void gail_spin_button_get_minimum_value (AtkValue *obj,
|
|
GValue *value);
|
|
static gboolean gail_spin_button_set_current_value (AtkValue *obj,
|
|
const GValue *value);
|
|
static void gail_spin_button_value_changed (GtkAdjustment *adjustment,
|
|
gpointer data);
|
|
|
|
static GailWidgetClass *parent_class = NULL;
|
|
|
|
GType
|
|
gail_spin_button_get_type (void)
|
|
{
|
|
static GType type = 0;
|
|
|
|
if (!type)
|
|
{
|
|
static const GTypeInfo tinfo =
|
|
{
|
|
sizeof (GailSpinButtonClass),
|
|
(GBaseInitFunc) NULL, /* base init */
|
|
(GBaseFinalizeFunc) NULL, /* base finalize */
|
|
(GClassInitFunc) gail_spin_button_class_init, /* class init */
|
|
(GClassFinalizeFunc) NULL, /* class finalize */
|
|
NULL, /* class data */
|
|
sizeof (GailSpinButton), /* instance size */
|
|
0, /* nb preallocs */
|
|
(GInstanceInitFunc) NULL, /* instance init */
|
|
NULL /* value table */
|
|
};
|
|
|
|
static const GInterfaceInfo atk_value_info =
|
|
{
|
|
(GInterfaceInitFunc) atk_value_interface_init,
|
|
(GInterfaceFinalizeFunc) NULL,
|
|
NULL
|
|
};
|
|
|
|
type = g_type_register_static (GAIL_TYPE_ENTRY,
|
|
"GailSpinButton", &tinfo, 0);
|
|
|
|
g_type_add_interface_static (type, ATK_TYPE_VALUE,
|
|
&atk_value_info);
|
|
}
|
|
|
|
return type;
|
|
}
|
|
|
|
static void
|
|
gail_spin_button_class_init (GailSpinButtonClass *klass)
|
|
{
|
|
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
|
|
AtkObjectClass *class = ATK_OBJECT_CLASS (klass);
|
|
GailWidgetClass *widget_class;
|
|
|
|
parent_class = g_type_class_peek_parent (klass);
|
|
|
|
widget_class = (GailWidgetClass*)klass;
|
|
|
|
widget_class->notify_gtk = gail_spin_button_real_notify_gtk;
|
|
|
|
class->initialize = gail_spin_button_real_initialize;
|
|
|
|
gobject_class->finalize = gail_spin_button_finalize;
|
|
}
|
|
|
|
AtkObject*
|
|
gail_spin_button_new (GtkWidget *widget)
|
|
{
|
|
GObject *object;
|
|
AtkObject *accessible;
|
|
|
|
g_return_val_if_fail (GTK_IS_SPIN_BUTTON (widget), NULL);
|
|
|
|
object = g_object_new (GAIL_TYPE_SPIN_BUTTON, NULL);
|
|
|
|
accessible = ATK_OBJECT (object);
|
|
atk_object_initialize (accessible, widget);
|
|
|
|
return accessible;
|
|
}
|
|
|
|
static void
|
|
gail_spin_button_real_initialize (AtkObject *obj,
|
|
gpointer data)
|
|
{
|
|
GailSpinButton *spin_button = GAIL_SPIN_BUTTON (obj);
|
|
GtkSpinButton *gtk_spin_button;
|
|
|
|
ATK_OBJECT_CLASS (parent_class)->initialize (obj, data);
|
|
|
|
gtk_spin_button = GTK_SPIN_BUTTON (data);
|
|
/*
|
|
* If a GtkAdjustment already exists for the spin_button,
|
|
* create the GailAdjustment
|
|
*/
|
|
if (gtk_spin_button->adjustment)
|
|
{
|
|
spin_button->adjustment = gail_adjustment_new (gtk_spin_button->adjustment);
|
|
g_signal_connect (gtk_spin_button->adjustment,
|
|
"value-changed",
|
|
G_CALLBACK (gail_spin_button_value_changed),
|
|
obj);
|
|
}
|
|
else
|
|
spin_button->adjustment = NULL;
|
|
|
|
obj->role = ATK_ROLE_SPIN_BUTTON;
|
|
|
|
}
|
|
|
|
static void
|
|
atk_value_interface_init (AtkValueIface *iface)
|
|
{
|
|
g_return_if_fail (iface != NULL);
|
|
|
|
iface->get_current_value = gail_spin_button_get_current_value;
|
|
iface->get_maximum_value = gail_spin_button_get_maximum_value;
|
|
iface->get_minimum_value = gail_spin_button_get_minimum_value;
|
|
iface->set_current_value = gail_spin_button_set_current_value;
|
|
}
|
|
|
|
static void
|
|
gail_spin_button_get_current_value (AtkValue *obj,
|
|
GValue *value)
|
|
{
|
|
GailSpinButton *spin_button;
|
|
|
|
g_return_if_fail (GAIL_IS_SPIN_BUTTON (obj));
|
|
|
|
spin_button = GAIL_SPIN_BUTTON (obj);
|
|
if (spin_button->adjustment == NULL)
|
|
/*
|
|
* Adjustment has not been specified
|
|
*/
|
|
return;
|
|
|
|
atk_value_get_current_value (ATK_VALUE (spin_button->adjustment), value);
|
|
}
|
|
|
|
static void
|
|
gail_spin_button_get_maximum_value (AtkValue *obj,
|
|
GValue *value)
|
|
{
|
|
GailSpinButton *spin_button;
|
|
|
|
g_return_if_fail (GAIL_IS_SPIN_BUTTON (obj));
|
|
|
|
spin_button = GAIL_SPIN_BUTTON (obj);
|
|
if (spin_button->adjustment == NULL)
|
|
/*
|
|
* Adjustment has not been specified
|
|
*/
|
|
return;
|
|
|
|
atk_value_get_maximum_value (ATK_VALUE (spin_button->adjustment), value);
|
|
}
|
|
|
|
static void
|
|
gail_spin_button_get_minimum_value (AtkValue *obj,
|
|
GValue *value)
|
|
{
|
|
GailSpinButton *spin_button;
|
|
|
|
g_return_if_fail (GAIL_IS_SPIN_BUTTON (obj));
|
|
|
|
spin_button = GAIL_SPIN_BUTTON (obj);
|
|
if (spin_button->adjustment == NULL)
|
|
/*
|
|
* Adjustment has not been specified
|
|
*/
|
|
return;
|
|
|
|
atk_value_get_minimum_value (ATK_VALUE (spin_button->adjustment), value);
|
|
}
|
|
|
|
static gboolean
|
|
gail_spin_button_set_current_value (AtkValue *obj,
|
|
const GValue *value)
|
|
{
|
|
GailSpinButton *spin_button;
|
|
|
|
g_return_val_if_fail (GAIL_IS_SPIN_BUTTON (obj), FALSE);
|
|
|
|
spin_button = GAIL_SPIN_BUTTON (obj);
|
|
if (spin_button->adjustment == NULL)
|
|
/*
|
|
* Adjustment has not been specified
|
|
*/
|
|
return FALSE;
|
|
|
|
return atk_value_set_current_value (ATK_VALUE (spin_button->adjustment), value);
|
|
}
|
|
|
|
static void
|
|
gail_spin_button_finalize (GObject *object)
|
|
{
|
|
GailSpinButton *spin_button = GAIL_SPIN_BUTTON (object);
|
|
|
|
if (spin_button->adjustment)
|
|
{
|
|
g_object_unref (spin_button->adjustment);
|
|
spin_button->adjustment = NULL;
|
|
}
|
|
G_OBJECT_CLASS (parent_class)->finalize (object);
|
|
}
|
|
|
|
|
|
static void
|
|
gail_spin_button_real_notify_gtk (GObject *obj,
|
|
GParamSpec *pspec)
|
|
{
|
|
GtkWidget *widget = GTK_WIDGET (obj);
|
|
GailSpinButton *spin_button = GAIL_SPIN_BUTTON (gtk_widget_get_accessible (widget));
|
|
|
|
if (strcmp (pspec->name, "adjustment") == 0)
|
|
{
|
|
/*
|
|
* Get rid of the GailAdjustment for the GtkAdjustment
|
|
* which was associated with the spin_button.
|
|
*/
|
|
GtkSpinButton* gtk_spin_button;
|
|
|
|
if (spin_button->adjustment)
|
|
{
|
|
g_object_unref (spin_button->adjustment);
|
|
spin_button->adjustment = NULL;
|
|
}
|
|
/*
|
|
* Create the GailAdjustment when notify for "adjustment" property
|
|
* is received
|
|
*/
|
|
gtk_spin_button = GTK_SPIN_BUTTON (widget);
|
|
spin_button->adjustment = gail_adjustment_new (gtk_spin_button->adjustment);
|
|
g_signal_connect (gtk_spin_button->adjustment,
|
|
"value-changed",
|
|
G_CALLBACK (gail_spin_button_value_changed),
|
|
spin_button);
|
|
}
|
|
else
|
|
parent_class->notify_gtk (obj, pspec);
|
|
}
|
|
|
|
|
|
static void
|
|
gail_spin_button_value_changed (GtkAdjustment *adjustment,
|
|
gpointer data)
|
|
{
|
|
GailSpinButton *spin_button;
|
|
|
|
gail_return_if_fail (adjustment != NULL);
|
|
gail_return_if_fail (data != NULL);
|
|
|
|
spin_button = GAIL_SPIN_BUTTON (data);
|
|
|
|
g_object_notify (G_OBJECT (spin_button), "accessible-value");
|
|
}
|
|
|