forked from AuroraMiddleware/gtk
ac3f0df083
Drop the GtkWidgetAccessibleClass.notify_gtk and the AtkObjectClass.initialize overrides: they don't do anything relevant. Instead, have GtkProgressBar update the accessible state when the fraction changes.
108 lines
3.3 KiB
C
108 lines
3.3 KiB
C
/* GTK+ - accessibility implementations
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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 <string.h>
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#include <gtk/gtk.h>
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#include "gtkprogressbaraccessibleprivate.h"
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static void atk_value_interface_init (AtkValueIface *iface);
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G_DEFINE_TYPE_WITH_CODE (GtkProgressBarAccessible, gtk_progress_bar_accessible, GTK_TYPE_WIDGET_ACCESSIBLE,
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G_IMPLEMENT_INTERFACE (ATK_TYPE_VALUE, atk_value_interface_init))
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void
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gtk_progress_bar_accessible_update_value (GtkProgressBarAccessible *self)
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{
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g_object_notify (G_OBJECT (self), "accessible-value");
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}
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static void
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gtk_progress_bar_accessible_class_init (GtkProgressBarAccessibleClass *klass)
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{
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}
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static void
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gtk_progress_bar_accessible_init (GtkProgressBarAccessible *self)
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{
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ATK_OBJECT (self)->role = ATK_ROLE_PROGRESS_BAR;
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}
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static void
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gtk_progress_bar_accessible_get_current_value (AtkValue *obj,
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GValue *value)
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{
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GtkWidget *widget;
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widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (obj));
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memset (value, 0, sizeof (GValue));
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g_value_init (value, G_TYPE_DOUBLE);
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g_value_set_double (value, gtk_progress_bar_get_fraction (GTK_PROGRESS_BAR (widget)));
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}
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static void
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gtk_progress_bar_accessible_get_maximum_value (AtkValue *obj,
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GValue *value)
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{
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memset (value, 0, sizeof (GValue));
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g_value_init (value, G_TYPE_DOUBLE);
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g_value_set_double (value, 1.0);
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}
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static void
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gtk_progress_bar_accessible_get_minimum_value (AtkValue *obj,
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GValue *value)
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{
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memset (value, 0, sizeof (GValue));
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g_value_init (value, G_TYPE_DOUBLE);
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g_value_set_double (value, 0.0);
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}
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static void
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gtk_progress_bar_accessible_get_value_and_text (AtkValue *obj,
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gdouble *value,
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gchar **text)
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{
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GtkWidget *widget;
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widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (obj));
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*value = gtk_progress_bar_get_fraction (GTK_PROGRESS_BAR (widget));
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*text = NULL;
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}
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static AtkRange *
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gtk_progress_bar_accessible_get_range (AtkValue *obj)
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{
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return atk_range_new (0.0, 1.0, NULL);
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}
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static void
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atk_value_interface_init (AtkValueIface *iface)
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{
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iface->get_current_value = gtk_progress_bar_accessible_get_current_value;
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iface->get_maximum_value = gtk_progress_bar_accessible_get_maximum_value;
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iface->get_minimum_value = gtk_progress_bar_accessible_get_minimum_value;
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iface->get_value_and_text = gtk_progress_bar_accessible_get_value_and_text;
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iface->get_range = gtk_progress_bar_accessible_get_range;
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}
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