gtk2/gtk/a11y/gaillinkbutton.c
Benjamin Otte 521f9e2f15 gail: Add support for action_set_description
As set_description is never called and unsupported by the at-spi, we can
omit implementing it.
This means we can also omit get_description calls in various places, as
they'd just return the default value: NULL.
2011-07-05 16:08:04 -04:00

223 lines
5.6 KiB
C

/* GAIL - The GNOME Accessibility Implementation Library
* Copyright 2011 Red Hat, 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 <gtk/gtk.h>
#include "gaillinkbutton.h"
typedef struct _GailLinkButtonLink GailLinkButtonLink;
typedef struct _GailLinkButtonLinkClass GailLinkButtonLinkClass;
struct _GailLinkButtonLink
{
AtkHyperlink parent;
GailLinkButton *button;
};
struct _GailLinkButtonLinkClass
{
AtkHyperlinkClass parent_class;
};
static void atk_action_interface_init (AtkActionIface *iface);
G_DEFINE_TYPE_WITH_CODE (GailLinkButtonLink, gail_link_button_link, ATK_TYPE_HYPERLINK,
G_IMPLEMENT_INTERFACE (ATK_TYPE_ACTION, atk_action_interface_init))
static AtkHyperlink *
gail_link_button_link_new (GailLinkButton *button)
{
GailLinkButtonLink *link;
link = g_object_new (gail_link_button_link_get_type (), NULL);
link->button = button;
return ATK_HYPERLINK (link);
}
static gchar *
gail_link_button_link_get_uri (AtkHyperlink *link,
gint i)
{
GailLinkButtonLink *l = (GailLinkButtonLink *)link;
GtkWidget *widget;
const gchar *uri;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (l->button));
uri = gtk_link_button_get_uri (GTK_LINK_BUTTON (widget));
return g_strdup (uri);
}
static gint
gail_link_button_link_get_n_anchors (AtkHyperlink *link)
{
return 1;
}
static gboolean
gail_link_button_link_is_valid (AtkHyperlink *link)
{
return TRUE;
}
static AtkObject *
gail_link_button_link_get_object (AtkHyperlink *link,
gint i)
{
GailLinkButtonLink *l = (GailLinkButtonLink *)link;
return ATK_OBJECT (l->button);
}
static gint
gail_link_button_link_get_start_index (AtkHyperlink *link)
{
return 0;
}
static gint
gail_link_button_link_get_end_index (AtkHyperlink *link)
{
GailLinkButtonLink *l = (GailLinkButtonLink *)link;
return atk_text_get_character_count (ATK_TEXT (l->button));
}
static void
gail_link_button_link_init (GailLinkButtonLink *link)
{
}
static void
gail_link_button_link_class_init (GailLinkButtonLinkClass *class)
{
AtkHyperlinkClass *hyperlink_class = ATK_HYPERLINK_CLASS (class);
hyperlink_class->get_uri = gail_link_button_link_get_uri;
hyperlink_class->get_n_anchors = gail_link_button_link_get_n_anchors;
hyperlink_class->is_valid = gail_link_button_link_is_valid;
hyperlink_class->get_object = gail_link_button_link_get_object;
hyperlink_class->get_start_index = gail_link_button_link_get_start_index;
hyperlink_class->get_end_index = gail_link_button_link_get_end_index;
}
static gboolean
gail_link_button_link_do_action (AtkAction *action,
gint i)
{
GailLinkButtonLink *link = (GailLinkButtonLink *)action;
GtkWidget *widget;
widget = GTK_WIDGET (link->button);
if (widget == NULL)
/*
* State is defunct
*/
return FALSE;
if (!gtk_widget_is_sensitive (widget) || !gtk_widget_get_visible (widget))
return FALSE;
gtk_button_clicked (GTK_BUTTON (widget));
return TRUE;
}
static gint
gail_link_button_link_get_n_actions (AtkAction *action)
{
return 1;
}
static const gchar *
gail_link_button_link_get_name (AtkAction *action,
gint i)
{
g_return_val_if_fail (i == 0, NULL);
return "activate";
}
static void
atk_action_interface_init (AtkActionIface *iface)
{
iface->do_action = gail_link_button_link_do_action;
iface->get_n_actions = gail_link_button_link_get_n_actions;
iface->get_name = gail_link_button_link_get_name;
}
static gboolean
activate_link (GtkLinkButton *button, AtkHyperlink *link)
{
g_signal_emit_by_name (link, "link-activated");
return FALSE;
}
static AtkHyperlink *
gail_link_button_get_hyperlink (AtkHyperlinkImpl *impl)
{
GailLinkButton *button = GAIL_LINK_BUTTON (impl);
if (!button->link)
{
button->link = gail_link_button_link_new (button);
g_signal_connect (gtk_accessible_get_widget (GTK_ACCESSIBLE (button)),
"activate-link", G_CALLBACK (activate_link), button->link);
}
return g_object_ref (button->link);
}
static void atk_hypertext_impl_interface_init (AtkHyperlinkImplIface *iface);
G_DEFINE_TYPE_WITH_CODE (GailLinkButton, gail_link_button, GAIL_TYPE_BUTTON,
G_IMPLEMENT_INTERFACE (ATK_TYPE_HYPERLINK_IMPL, atk_hypertext_impl_interface_init))
static void
gail_link_button_init (GailLinkButton *button)
{
}
static void
gail_link_button_finalize (GObject *object)
{
GailLinkButton *button = GAIL_LINK_BUTTON (object);
if (button->link)
g_object_unref (button->link);
G_OBJECT_CLASS (gail_link_button_parent_class)->finalize (object);
}
static void
gail_link_button_class_init (GailLinkButtonClass *klass)
{
G_OBJECT_CLASS (klass)->finalize = gail_link_button_finalize;
}
static void
atk_hypertext_impl_interface_init (AtkHyperlinkImplIface *iface)
{
iface->get_hyperlink = gail_link_button_get_hyperlink;
}