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/*
* This program 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.
*
* This program 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 General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*
*
* Authors:
* Bolian Yin <bolian.yin@sun.com>
*
* Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <libgnomecanvas/libgnomecanvas.h>
#include "ea-calendar-helpers.h"
#include "ea-calendar.h"
#include "calendar/gui/ea-cal-view.h"
#include "calendar/gui/ea-cal-view-event.h"
#include "calendar/gui/ea-day-view.h"
#include "calendar/gui/ea-day-view-main-item.h"
#include "calendar/gui/ea-week-view.h"
#include "calendar/gui/ea-week-view-main-item.h"
#include "calendar/gui/ea-gnome-calendar.h"
EA_FACTORY_GOBJECT (
EA_TYPE_DAY_VIEW_MAIN_ITEM,
ea_day_view_main_item, ea_day_view_main_item_new)
EA_FACTORY_GOBJECT (
EA_TYPE_WEEK_VIEW_MAIN_ITEM,
ea_week_view_main_item, ea_week_view_main_item_new)
EA_FACTORY (EA_TYPE_GNOME_CALENDAR, ea_gnome_calendar, ea_gnome_calendar_new)
static gboolean ea_calendar_focus_watcher (GSignalInvocationHint *ihint,
guint n_param_values,
const GValue *param_values,
gpointer data);
static gpointer e_text_type, pixbuf_type, e_day_view_type, e_week_view_type;
static gpointer e_day_view_main_item_type, e_week_view_main_item_type;
void
gnome_calendar_a11y_init (void)
{
/* we only add focus watcher when accessibility is enabled
*/
if (atk_get_root ()) {
GtkWidget *gnome_canvas;
/* first initialize ATK support in gnome-canvas and also gail-canvas */
gnome_canvas = gnome_canvas_new ();
gtk_widget_destroy (gnome_canvas);
EA_SET_FACTORY (gnome_calendar_get_type (), ea_gnome_calendar);
/* force loading some types */
e_text_type = g_type_class_ref (E_TYPE_TEXT);
pixbuf_type = g_type_class_ref (GNOME_TYPE_CANVAS_PIXBUF);
e_day_view_type = g_type_class_ref (e_day_view_get_type ());
e_week_view_type = g_type_class_ref (E_TYPE_WEEK_VIEW);
e_day_view_main_item_type = g_type_class_ref (
e_day_view_main_item_get_type ());
e_week_view_main_item_type = g_type_class_ref (
e_week_view_main_item_get_type ());
g_signal_add_emission_hook (
g_signal_lookup ("event", E_TYPE_TEXT),
0, ea_calendar_focus_watcher,
NULL, (GDestroyNotify) NULL);
g_signal_add_emission_hook (
g_signal_lookup ("event", GNOME_TYPE_CANVAS_PIXBUF),
0, ea_calendar_focus_watcher,
NULL, (GDestroyNotify) NULL);
g_signal_add_emission_hook (
g_signal_lookup ("event-after", E_TYPE_DAY_VIEW),
0, ea_calendar_focus_watcher,
NULL, (GDestroyNotify) NULL);
g_signal_add_emission_hook (
g_signal_lookup ("event", E_TYPE_DAY_VIEW_MAIN_ITEM),
0, ea_calendar_focus_watcher,
NULL, (GDestroyNotify) NULL);
g_signal_add_emission_hook (
g_signal_lookup ("event-after", E_TYPE_WEEK_VIEW),
0, ea_calendar_focus_watcher,
NULL, (GDestroyNotify) NULL);
g_signal_add_emission_hook (
g_signal_lookup ("event", E_TYPE_WEEK_VIEW_MAIN_ITEM),
0, ea_calendar_focus_watcher,
NULL, (GDestroyNotify) NULL);
}
}
void
e_day_view_main_item_a11y_init (void)
{
EA_SET_FACTORY (e_day_view_main_item_get_type (), ea_day_view_main_item);
}
void
e_week_view_main_item_a11y_init (void)
{
EA_SET_FACTORY (e_week_view_main_item_get_type (), ea_week_view_main_item);
}
static gboolean
ea_calendar_focus_watcher (GSignalInvocationHint *ihint,
guint n_param_values,
const GValue *param_values,
gpointer data)
{
GObject *object;
GdkEvent *event;
AtkObject *ea_event = NULL;
object = g_value_get_object (param_values + 0);
event = g_value_get_boxed (param_values + 1);
if ((E_IS_TEXT (object)) || (GNOME_IS_CANVAS_PIXBUF (object))) {
/* "event" signal on canvas item
*/
GnomeCanvasItem *canvas_item;
canvas_item = GNOME_CANVAS_ITEM (object);
if (event->type == GDK_FOCUS_CHANGE) {
if (event->focus_change.in) {
ea_event =
ea_calendar_helpers_get_accessible_for (canvas_item);
if (!ea_event)
/* not canvas item we want */
return TRUE;
}
atk_focus_tracker_notify (ea_event);
}
}
else if (E_IS_DAY_VIEW (object)) {
EDayView *day_view = E_DAY_VIEW (object);
if (event->type == GDK_FOCUS_CHANGE) {
if (event->focus_change.in) {
/* give main item chance to emit focus */
gnome_canvas_item_grab_focus (day_view->main_canvas_item);
}
}
}
else if (E_IS_DAY_VIEW_MAIN_ITEM (object)) {
if (event->type == GDK_FOCUS_CHANGE) {
if (event->focus_change.in) {
/* we should emit focus on main item */
ea_event = atk_gobject_accessible_for_object (object);
}
else
/* focus out */
ea_event = NULL;
#ifdef ACC_DEBUG
printf ("EvoAcc: focus notify on day main item %p\n", (gpointer) object);
#endif
atk_focus_tracker_notify (ea_event);
}
} else if (E_IS_WEEK_VIEW (object)) {
EWeekView *week_view = E_WEEK_VIEW (object);
if (event->type == GDK_FOCUS_CHANGE) {
if (event->focus_change.in) {
/* give main item chance to emit focus */
gnome_canvas_item_grab_focus (week_view->main_canvas_item);
}
}
}
else if (E_IS_WEEK_VIEW_MAIN_ITEM (object)) {
if (event->type == GDK_FOCUS_CHANGE) {
if (event->focus_change.in) {
/* we should emit focus on main item */
ea_event = atk_gobject_accessible_for_object (object);
}
else
/* focus out */
ea_event = NULL;
atk_focus_tracker_notify (ea_event);
}
}
return TRUE;
}
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