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a11y: Add GtkPopopverAccessible

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And let GtkPopover use it as its GtkAccessible implementation, this
accessible sets the POPUP_FOR relationship to the relative-to widget,
and keeps track of changes there.

https://bugzilla.gnome.org/show_bug.cgi?id=725864
This commit is contained in:
Carlos Garnacho
2014-03-07 00:07:54 +01:00
parent 168e4faf50
commit 31cd153050
5 changed files with 221 additions and 0 deletions
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2
gtk/a11y/Makefile.am
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@ -37,6 +37,7 @@ gtka11y_c_sources = \
gtknotebookaccessible.c \
gtknotebookpageaccessible.c \
gtkpanedaccessible.c \
gtkpopoveraccessible.c \
gtkprogressbaraccessible.c \
gtkradiobuttonaccessible.c \
gtkradiomenuitemaccessible.c \
@ -89,6 +90,7 @@ gtka11yinclude_HEADERS = \
gtknotebookaccessible.h \
gtknotebookpageaccessible.h \
gtkpanedaccessible.h \
gtkpopoveraccessible.h \
gtkprogressbaraccessible.h \
gtkradiobuttonaccessible.h \
gtkradiomenuitemaccessible.h \

160
gtk/a11y/gtkpopoveraccessible.c Normal file
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@ -0,0 +1,160 @@
/* GTK - The GIMP Toolkit
* Copyright © 2014 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, see <http://www.gnu.org/licenses/>.
*
* Author: Carlos Garnacho <carlosg@gnome.org>
*/
#include "config.h"
#include <glib/gi18n-lib.h>
#include <gtk/gtk.h>
#include "gtkpopoveraccessible.h"
typedef struct _GtkPopoverAccessiblePrivate GtkPopoverAccessiblePrivate;
struct _GtkPopoverAccessiblePrivate
{
GtkWidget *widget;
};
G_DEFINE_TYPE_WITH_CODE (GtkPopoverAccessible, gtk_popover_accessible, GTK_TYPE_CONTAINER_ACCESSIBLE,
G_ADD_PRIVATE (GtkPopoverAccessible))
static void
popover_update_relative_to (AtkObject *obj,
GtkPopover *popover)
{
GtkPopoverAccessiblePrivate *priv;
AtkObject *widget_accessible;
GtkWidget *widget;
priv = gtk_popover_accessible_get_instance_private (GTK_POPOVER_ACCESSIBLE (obj));
widget = gtk_popover_get_relative_to (popover);
if (priv->widget == widget)
return;
if (priv->widget)
{
widget_accessible = gtk_widget_get_accessible (priv->widget);
atk_object_remove_relationship (obj,
ATK_RELATION_POPUP_FOR,
widget_accessible);
}
priv->widget = widget;
if (widget)
{
g_object_add_weak_pointer (G_OBJECT (priv->widget),
(gpointer*) &priv->widget);
widget_accessible = gtk_widget_get_accessible (widget);
atk_object_add_relationship (obj,
ATK_RELATION_POPUP_FOR,
widget_accessible);
}
}
static void
popover_update_modality (AtkObject *object,
GtkPopover *popover)
{
atk_object_notify_state_change (object, ATK_STATE_MODAL,
gtk_popover_get_modal (popover));
}
static void
popover_notify_cb (GtkPopover *popover,
GParamSpec *pspec,
AtkObject *object)
{
AtkObject *popover_accessible;
popover_accessible = gtk_widget_get_accessible (GTK_WIDGET (popover));
if (strcmp (g_param_spec_get_name (pspec), "relative-to") == 0)
popover_update_relative_to (popover_accessible, popover);
else if (strcmp (g_param_spec_get_name (pspec), "modal") == 0)
popover_update_modality (popover_accessible, popover);
}
static void
gtk_popover_accessible_initialize (AtkObject *obj,
gpointer data)
{
GtkPopover *popover;
AtkObject *parent;
ATK_OBJECT_CLASS (gtk_popover_accessible_parent_class)->initialize (obj, data);
popover = GTK_POPOVER (data);
parent = gtk_widget_get_accessible (gtk_popover_get_relative_to (popover));
if (parent)
atk_object_set_parent (obj, parent);
g_signal_connect (popover, "notify",
G_CALLBACK (popover_notify_cb), obj);
popover_update_relative_to (obj, popover);
popover_update_modality (obj, popover);
obj->role = ATK_ROLE_PANEL;
}
static AtkStateSet *
gtk_popover_accessible_ref_state_set (AtkObject *obj)
{
AtkStateSet *state_set;
GtkWidget *widget;
state_set = ATK_OBJECT_CLASS (gtk_popover_accessible_parent_class)->ref_state_set (obj);
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (obj));
if (gtk_popover_get_modal (GTK_POPOVER (widget)))
atk_state_set_add_state (state_set, ATK_STATE_MODAL);
return state_set;
}
static void
gtk_popover_accessible_finalize (GObject *object)
{
GtkPopoverAccessiblePrivate *priv;
priv = gtk_popover_accessible_get_instance_private (GTK_POPOVER_ACCESSIBLE (object));
if (priv->widget)
g_object_remove_weak_pointer (G_OBJECT (priv->widget),
(gpointer*) &priv->widget);
G_OBJECT_CLASS (gtk_popover_accessible_parent_class)->finalize (object);
}
static void
gtk_popover_accessible_class_init (GtkPopoverAccessibleClass *klass)
{
AtkObjectClass *class = ATK_OBJECT_CLASS (klass);
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->finalize = gtk_popover_accessible_finalize;
class->initialize = gtk_popover_accessible_initialize;
class->ref_state_set = gtk_popover_accessible_ref_state_set;
}
static void
gtk_popover_accessible_init (GtkPopoverAccessible *popover)
{
}

56
gtk/a11y/gtkpopoveraccessible.h Normal file
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@ -0,0 +1,56 @@
/* GTK - The GIMP Toolkit
* Copyright © 2014 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, see <http://www.gnu.org/licenses/>.
*
* Author: Carlos Garnacho <carlosg@gnome.org>
*/
#ifndef __GTK_POPOVER_ACCESSIBLE_H__
#define __GTK_POPOVER_ACCESSIBLE_H__
#if !defined (__GTK_A11Y_H_INSIDE__) && !defined (GTK_COMPILATION)
#error "Only <gtk/gtk-a11y.h> can be included directly."
#endif
#include <gtk/a11y/gtkcontaineraccessible.h>
G_BEGIN_DECLS
#define GTK_TYPE_POPOVER_ACCESSIBLE (gtk_popover_accessible_get_type ())
#define GTK_POPOVER_ACCESSIBLE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_POPOVER_ACCESSIBLE, GtkPopoverAccessible))
#define GTK_POPOVER_ACCESSIBLE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_POPOVER_ACCESSIBLE, GtkPopoverAccessibleClass))
#define GTK_IS_POPOVER_ACCESSIBLE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_POPOVER_ACCESSIBLE))
#define GTK_IS_POPOVER_ACCESSIBLE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_POPOVER_ACCESSIBLE))
#define GTK_POPOVER_ACCESSIBLE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_POPOVER_ACCESSIBLE, GtkPopoverAccessibleClass))
typedef struct _GtkPopoverAccessible GtkPopoverAccessible;
typedef struct _GtkPopoverAccessibleClass GtkPopoverAccessibleClass;
struct _GtkPopoverAccessible
{
GtkContainerAccessible parent;
};
struct _GtkPopoverAccessibleClass
{
GtkContainerAccessibleClass parent_class;
};
GDK_AVAILABLE_IN_3_12
GType gtk_popover_accessible_get_type (void);
G_END_DECLS
#endif /* __GTK_POPOVER_ACCESSIBLE_H__ */